JP2742044B2 - housing - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a housing forming an openable / closable internal space.

[0002]

2. Description of the Related Art In a housing of the prior art, two space forming members are connected by a hinge portion to facilitate opening and closing, and the space forming members are joined to face each other to form a space inside. It is configured to be.

[0003]

In such a conventional technique, the other side of the space forming body opposite to the side on which the hinge is provided is located at a position away from the hinge. When the space forming members are joined together, the other side portions of the space forming members may be shifted from each other to form a gap.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a housing which can be easily joined without gaps due to mutual displacement of the other sides of the space forming members when the interior is formed by joining. To provide.

[0005]

According to the present invention, there are provided two space forming members which are connected by a hinge portion and can be joined, and a space is formed inside by joining the space forming members, On the other side of the one space forming body opposite to the one side on which the hinge portion is provided, a second protrusion protruding substantially perpendicular to the open end surface of the one space forming body and extending in the longitudinal direction of the one space forming body. One locking ridge and a first locking groove extending in the longitudinal direction are formed, and the other side of the other space forming body opposite to the one side where the hinge is provided is provided with the other side. A second locking ridge that projects substantially perpendicularly to the open end surface of the space forming body, extends in the longitudinal direction of the other space forming body, and fits into the first locking groove when each space forming body is joined. Extend in the longitudinal direction of the other space forming body, and the first locking ridge is fitted when each space forming body is joined. A guide piece for guiding the other side of each space forming body when the space forming bodies are attached to each other; Are provided, respectively. According to the present invention, a space can be formed inside by joining two space forming bodies connected by the hinge part. A first locking ridge and a first locking groove are formed on the other side of one space forming body, and each space forming body is attached to the other side of the other space forming body. A second locking groove that fits into the first locking groove when the first locking groove is fitted, and a second locking groove that fits the first locking protrusion when each space forming body is joined. It is formed. This prevents the gaps from being formed without the other side portions of the space forming members being mutually shifted when the space forming members are joined together. Further, a guide piece is formed on the other side of each space forming body, and the other side of each space forming body is mutually guided when the space forming bodies are joined. Thereby, the first locking ridge is securely fitted into the first locking groove, the second locking ridge is securely fitted into the second locking groove, and each space is formed. The body can be easily attached.

Further, according to the present invention, each guide piece protrudes from an open end face of each space forming body, and an arc-shaped guide surface which curves toward one side of each space forming body as it protrudes from the open end face is formed. It is characterized in that each space forming body is housed inside in a state of being attached. According to the present invention, since each guide piece is formed with the arc-shaped guide surface as described above, the other side portion of each space forming body is smoothly guided, and each space forming body is smoothly joined. Can be. In addition, since the guide portion is housed inside when the space forming bodies are attached,
It does not protrude outside and does not get in the way.

Further, according to the present invention, each space forming body has a cylindrical inner surface, and the guide surface has an arc shape, and a radius of curvature is smaller than a radius of curvature of the inner surface of the space forming body. It is characterized by. According to the present invention, since the inner surface of each space forming body is formed in a cylindrical shape and the guide surface is formed in an arc shape, each space forming body is guided more smoothly. Further, since the guide surface has a radius of curvature smaller than the radius of curvature of the inner surface of each space forming body, the guide portion is in a state of being inscribed in each space forming body, and each space forming body is attached. In the state where it is done, deform each space forming body, or
It is housed inside without being undesirably displaced.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows an open-up device (hereinafter abbreviated as "vine prevention device") 1 for preventing a vine or the like from being provided with a cylindrical main body 2 as a housing according to an embodiment of the present invention. FIG. 2 is a plan view showing the state, FIG. 2 is a plan view of the ivy prevention device 1, FIG. 3 is a side view seen from the left side of FIG.
3 is a side view as viewed from the left side of FIG. The ivy prevention device 1
It is configured to include a tubular main body 2 and a cord locking unit 30 built in the tubular main body 2. The cylindrical main body 2 has a first half-cylinder 4 as a space forming body and a second half-cylinder 5 as a space forming body, and the first and second half-cylinders 4 and 5 are thin hinge portions. 6 and are integrally formed. The cylindrical main body 2 is made of, for example, a black opaque polyethylene resin, is injection-molded, and the first and second half-cylindrical bodies 4 and 5 are attached to each other, and has an outer diameter D1 of 180 to 200 mm.
In the present embodiment, a particularly preferable 190 mm is selected.

The first semi-cylindrical body 4 includes a semi-circular peripheral wall 7,
End walls 8 and 9 at both ends in the longitudinal direction of the first semi-cylindrical body 4 which are parallel to the axis L1 which is the longitudinal direction of the cylindrical main body 2, and the thickness T1 of each of the walls 7 to 9 is 3 to 4. 5 mm, particularly 3.5 mm in the present embodiment. The second semi-cylindrical body 5 includes a semi-cylindrical peripheral wall portion 10 and end walls 11 and 12 at both ends in the longitudinal direction of the second semi-cylindrical body 5 parallel to the axis L1. Has a thickness T1 of 3 to 4.5 mm, particularly 3.5 mm in the present embodiment. The space 28 is formed inside the cylindrical main body 2 by joining the first and second half-cylindrical bodies 4 and 5 as described above. The cable locking unit 30 is built in the space 28. Each wall 7-1
By selecting the thickness T1 of 2 to 3 to 4.5 mm, a lightweight and high-strength cylindrical main body 2 can be obtained.

The cable locking unit 30 includes a pair of claw members 33, and the cable 13 arranged along a predetermined axis L1 is fitted into a fitting space 30a between the claw members 33. Thus, the tubular main body 2 is held by the cable 13 by the claws 33. In this manner, the vine prevention device 1 can be mounted on the cable 13 that constitutes a branch line provided to support a utility pole, and by selecting an outer diameter D1 of 180 to 200 mm, the vines such as vines can be mounted. The plant can be prevented from winding up the branch line, and can be easily transported and mounted without becoming too large.

The cord locking unit 30 is mounted on a mounting base 13 provided near one longitudinal end of the first half cylinder 4. In the first half-cylinder 4, mounting pedestals 14 having the same configuration as the mounting pedestal 13 are provided at intervals in the longitudinal direction of the first half-cylinder 4 and near the other end in the longitudinal direction. I have. Thus, a plurality of, in this embodiment, two cord locking units 30 are attached to the cylindrical main body 2 to the respective mounting pedestals 1.
It is possible to attach to each of 3, 14 and incorporate them.

By constructing the ivy prevention device 1 in this manner, the cable anchoring unit 30 is attached to the cable 13 constituting a branch line of a utility pole that is erected in a place under bad conditions such as being exposed to strong wind. The two built-in ivy prevention devices 1 can be reliably prevented from slipping off, and when attached to the cable 13 that constitutes a branch line that supports a utility pole that is erected in a favorable location, the cable keeper Only one stop unit 30 can be built in and mounted, thereby preventing an increase in cost. Therefore, it is possible to select the number of built-in rope locking units 30 to be built in according to the installation location of the ivy prevention device 1.

The hinge portion 6 is provided over the entire length in the direction of the axis L1 of the cylindrical main body 2, whereby the first and second half cylinders are angularly displaced about an axis parallel to the axis L1 and joined. Therefore, the first and second half cylinders 4, 5 can be easily joined together without being twisted and displaced from each other.

FIG. 5 shows the engagement means 1 on the other side 16 of the second half cylinder 5 opposite to the side 15 on which the hinge 6 is provided.
FIG.
5 is a plan view as viewed from above in FIG. 5, FIG. 7 is a cross-sectional view as viewed from section line S7-S7 in FIG. 5, and FIG. 8 is a cross-sectional view as viewed from section plane S8-S8 in FIG. It is. On the other side 16 of the first or second half-cylinders 4 and 5, in this embodiment, the second half-cylinder 5 has a mounting recess 19 for mounting the locking piece 18 of the engaging means 17 therein. I have. This mounting recess 19
Are formed with fitting holes 20a and 20b extending along a swing axis L2 parallel to the axis L1. Further, first storage holes 23a and 23b extending from the mounting recess 19 toward the open end face 22 of the second half cylinder 5 in the circumferential direction are formed respectively.

FIG. 9 is a front view showing the locking piece 18 provided in the engaging means 17, and FIG. 10 is a plan view of the locking piece 18 as viewed from above in FIG. The locking piece 18 is configured by bending a wire having a flexible or elastic wire diameter d1 of 1.2 to 2.0 mm, particularly 1.6 mm, which is particularly preferable in the present embodiment, into a substantially U-shape. Is done. The locking piece 18 includes a pair of base ends 24 a and 24 b arranged in the same straight line, and a pair of base ends 2.
Free end portion 25 arranged substantially parallel to 4a, 24b
And legs 26a, 26b connecting the base ends 24a, 24b and the free end 25, respectively.

The legs 26a, 26b are arranged with a spacing L10 between the centers of the wire rods of 12 to 20 mm, particularly 16 mm, which is particularly preferable in the present embodiment. Is selected to be, for example, 85 mm, which is smaller than the radius of curvature R2 = D1 / 2 = 95 mm of the outer peripheral surface of the cylindrical main body 2. Each leg 26a, 26b
Are bent toward the radially inward side of the curvature, and are connected to the ends 27a, 27b, respectively, so that the base ends 24a, 24b extend in a direction away from each other. Is formed. The free end 25 is formed by connecting the other ends 28a and 28b of the legs 26a and 26b. The locking piece 18 is provided at each of the base ends 24a, 2a.
4b are inserted into the fitting holes 20a and 20b, respectively.
The second half cylinder 5 is provided to be swingable about the swing axis L2.

The locking piece 18 is made of hardened stainless steel, unhardened stainless steel, hardened steel, or non-hardened steel, and has elasticity. When steel is used, for example, galvanization may be applied to improve the anticorrosion effect. Further, it may be formed using a synthetic resin having elasticity.

FIG. 11 shows the engagement means 17 on the other side 41 opposite to the side 40 on which the hinge 6 of the first half cylinder 4 is provided.
FIG. 12 is an enlarged rear view of the vicinity where the
FIG. 13 is a plan view viewed from the upper side of FIG. 11, and FIG. 13 is a cross-sectional view viewed from a section line S13-S13 of FIG.
FIG. 14 is a sectional view taken along section line S14-S14 in FIG. Locking piece 1 of first and second half cylinders 4 and 5
8 is provided on the other side 41 of the first half-cylinder 4 which is the other half-cylinder different from the first half-cylinder 5 which is the other half-cylinder.
A locking recess 42 extending parallel to the axis L1 of the cylindrical main body 2 is formed. The locking recess 42 is provided with the locking piece 18.
Can be locked.

FIG. 15 is an enlarged sectional view of section S15 in FIG. The locking recesses 42 are provided with the locking pieces 18 from the outer surface 43 of the first semi-cylindrical body 4 to the inner side of the cylindrical main body 2 toward the left in FIG. It is formed so as to be inclined upward in FIG. The engagement means 18 is constituted by the locking piece 18 and the locking recess 42, and the locking piece 18 is provided with the first and second half cylinders 4 and 5 joined together as shown in FIG. The leg 26a, 26b is pressed inward in the radial direction with the free end 25 abutting against the outer surface 43 from a position 44 in a natural state where no external force is applied, thereby increasing the radius of curvature R1. The free end 25 can be fitted into the locking recess 42 and locked by deforming the locking piece 18 in the direction in which the locking piece 18 moves. In this way, the first and second half cylinders 4 and 5 can be engaged with each other by the engagement means 17 to maintain the joint state.

Further, since the locking recess 42 is formed to be inclined as described above, the first and second half cylinders 4, 4 with the free end 25 locked in the locking recess 42. When the external forces 5 receive external forces in directions away from each other, the free end portion 25 is guided inward in the radial direction, so that the free end portion 25 does not easily come off the locking recess 42 and maintains the engaged state. Further, in a state where the free end portion 25 is locked in the locking recess 42, the free end portion 25 is formed on the inner surface 46 on the radially outer side of the locking recess 42 on the outer side of the tubular main body 2. The first and second half cylinders 4, 5
Have the effect of hardly separating from each other and of being elastically attracted. Further, when the free end portion 25 is locked in the locking recess 42, the locking piece 18 is not significantly deformed from its natural state, does not generate a large internal stress, and is excellent in durability.

The engaging piece 17 is made of the above-described material, and the wire diameter d1 and the interval L10 are selected as described above, so that the engaging operation can be facilitated and the engaging can be performed with high strength. More specifically, when the wire diameter d1 is too large, a large force is not required to deform the wire. On the contrary, the wire diameter d1 is too thin and the strength is too low. This prevents a large force from locally acting on the finger. The interval L1
0 does not become too large, and the finger does not fit between the legs 26a, 26b to make it difficult to press, and conversely, it does not become too small to cause twisting.

Further, in the other side portion 41 of the first half cylinder 4, second storage grooves 48a, 48b extending from the locking recess 42 toward the open end surface 47 of the first half cylinder 4 are formed. I have. In a state where the first and second half cylinders 4 and 5 are attached,
Each first storage groove 23a, 23b and each second storage groove 48a, 4
8b are connected to each other, and each of the legs 26a, 26b in the locked state of the locking piece 18 is inserted into an outwardly opened storage groove formed by the first and second storage grooves 23a, 23b; 48a, 48b. Is stored. by this,
Each leg 26a, 26b does not protrude outward from the outer surface 43 of the tubular main body, and the proximal ends 24a, 24b and the free end 25 are disposed radially inward of the outer surface 43. It is in a state and does not serve as a scaffold for rolling up vines such as ivy. The engaging means 17 constituted by such a locking piece 18 and a locking recess 42 has an axis L
In one direction, it is provided at a position corresponding to the mounting pedestal 13, and the joined state of the first and second half cylinders 4, 5 is reliably maintained near the position where the rope locking unit 30 is built in, The rope 13 is not easily displaced from a position along the axis L1. Further, a plurality of such engaging means 17 are provided at intervals corresponding to the mounting direction in the axial direction L1 in addition to the position corresponding to the mounting base 13, and four such engaging means 17 are provided in the present embodiment.

As another embodiment of the present invention, a locking piece 17 is provided on the first half cylinder 4 and a locking recess 42 is formed on the second half cylinder 5.
May be formed, and a similar effect can be obtained.

FIG. 16 is an enlarged sectional view showing the other side portions 41 and 16 of the first and second half cylinders 4 and 5.
(1) shows a state where the first and second half cylinders are slightly opened, and FIG. 16 (2) shows a state where the first and second half cylinders 4 and 5 are joined. The other half 41 of the first half-cylinder 4 projects radially outward in the circumferential direction in the present embodiment, substantially perpendicular to the open end surface 47 of the first half-cylinder 4, and A first locking ridge 50 extending in the longitudinal direction of the first semi-cylindrical body 4 and a first locking concave groove 51 extending in the longitudinal direction of the first semi-cylindrical body 4 radially inward adjacent to the first locking ridge 50 Are formed. The other half 16 of the second half cylinder 5 projects radially inward in the circumferential direction in the present embodiment substantially perpendicular to the open end face 22 of the second half cylinder 5, 5 extending in the longitudinal direction of the second
A locking ridge 52 and a second locking groove 53 extending along the longitudinal direction of the second semi-cylindrical body 5 are formed radially outwardly adjacent to the second locking ridge 52. .

As shown in FIG. 16 (2), the first and second
In a state where the half cylinders 4 and 5 are attached, the first locking ridge 50
Is fitted in the second locking groove 53, the second locking ridge 52 is fitted in the first locking groove 51, and the first and second locking ridges 50 and 52 are It will be in an overlapping state.
Thereby, the other side portion 4 of the first and second half cylinders 4, 5 is formed.
The first and second half-cylinders 4 and 5 have a gap between the other side portions 41 and 16 even if the other side portions 41 and 16 are not easily shifted in the radial direction. Are hardly formed, and vine plants such as ivy can be prevented from entering the tubular main body 2. In addition, since the cylindrical main body 2 is black, the first and second locking projections 50 and 52 are formed in this manner, so that the other side portions 41 and 41 of the first and second half cylindrical bodies 4 and 5 are formed. The light-shielding property can be increased so that sunlight does not enter the inside of the tubular main body 2 from between the spaces 16. Therefore, even if ivy or the like enters the cylindrical main body 2, it does not grow.

FIG. 17 is an enlarged sectional view showing the vicinity of the other side portions 41, 16 of the first and second half cylinders 4, 5 where the engaging means 17 is provided, and FIG. 1st and 2nd
FIG. 17B shows a state in which the half cylinders 4 and 5 are slightly opened.
Indicates a state in which the first and second half cylinders are joined together. FIG. 18 is a cross-sectional view taken along the section line S18-S18 in FIG. 17 (2). In the vicinity where the engagement means 17 is provided,
The first and second locking projections 50a, 52a are formed to bend so as to surround the first and second storage grooves 23a, 23b; 48a, 48b, and are formed to be thinner than the remaining portions. As shown in FIG. 17 (2) and FIG. 18, the first and second half cylinders 4 and 5 are formed so as to be spaced from each other in a state where they are joined together by a distance L11 = 0.5 to 1 mm. The first locking ridge 50a is shaved on the radial side,
The second ridge 52 is in a state where the outer side in the radial direction is cut off. Thus, even in the vicinity where the engagement means 17 is provided, as described above, the first and second half cylinders 4, 5
A gap is prevented from being formed between the other side portions 41 and 16, and even if the first and second locking ridges are formed to be bent, the first and second half cylinders 4 and 5 are not bent. It is possible to prevent the two from interfering with each other at the time of joining and making it difficult to join.

As shown in FIGS. 1 and 2, the first
And the second semi-cylindrical body 4, 5 has an engaging groove 5 extending in the circumferential direction.
6 are formed at intervals in the direction of the axis L1.
An engagement band made of, for example, stainless steel may be attached to the engagement groove 56 so that the first and second half cylinders 4 and 5 are engaged with the engagement means 17. Thereby, it is possible to more reliably engage.

FIG. 19 is an enlarged sectional view showing the vicinity of the other side portions 41, 16 of the first and second half cylinders 4, 5 where the engaging groove 56 is formed, and FIG. First and second
FIG. 19B shows a state in which the half cylinders 4 and 5 are slightly opened.
Shows a state where the first and second half cylinders 4 and 5 are attached. In the portion where the engaging groove 56 is formed, the first locking ridge 5
0b is a state in which a portion on the radially outward side is cut off, and is thin. Even if the engaging groove 56 is formed in this manner and the first locking ridge 50 is made thin, the first and second locking ridges 50b and 52 are in a state of overlapping in the radial direction, and as described above. The other side 4 of the first and second half cylinders
It is possible to reliably prevent a gap from being formed between the first and the second.

As another embodiment of the present invention, the first locking ridge 50 and the second locking groove 53 are formed on the radially inner side, and the first locking groove 51 and the second locking groove 51 are formed. The ridge 52 may be formed on the inner side in the radial direction, and the same effect can be obtained.

FIG. 20 is an enlarged sectional view showing one side portion 40, 15 of the first and second half cylinders 4, 5. FIG.
FIG. 20A shows a state in which the first and second half cylinders 4 and 5 are slightly opened, and FIG. 20B shows the first and second half cylinders 4 and 5.
Indicates a state in which they are coalesced. First or second half cylinder 4,
5. In this embodiment, one side 15 of the second half-cylinder body 5 protrudes substantially perpendicularly to the open end face 22 of the second half-cylinder body 5 at the radially central portion in the circumferential direction in this embodiment. A third locking ridge 58 extending in the longitudinal direction of the half cylinder 5 is formed.
The first half, which is the other half-cylinder different from the second half-cylinder 5, which is one half of the first and second half-cylinders 4, 5 on which the third locking projection 58 is formed. A third locking groove 50 is formed in the cylindrical body at one side portion 40 at the center in the radial direction. When the first and second half cylinders 4 and 5 are joined together, FIG.
As shown in (2), the third locking ridge 58 is formed in the third locking groove 5.
Fits 9 Thereby, the one side portions 40, 15 of the first and second half cylinders 4, 5 are hardly displaced in the radial direction, and even if they are mutually displaced in the circumferential direction, the first and second half cylinders 4, 5 are displaced.
A gap can be prevented from being formed between the one side portions 40 and 15. Therefore, the first and second half cylinders 4, 5
The space 12 inside the cylindrical main body 2 from between the one side portions 40 and 15
It is possible to prevent vine plants such as ivy from invading. Further, since the cylindrical main body 2 is made of black, it is possible to reliably prevent sunlight from shining into the internal space 12 through the space between the one side portions 40 and 15 of the first and second half cylindrical bodies 4 and 5. it can. Therefore, even if ivy or the like enters the tubular main body 21, it does not grow.

As another embodiment of the present invention, a third locking ridge 58 is formed on the first half cylinder 4 and a third locking groove 59 is formed on the second half cylinder 5. A similar effect can be obtained.

FIG. 21 shows the first and second sections from inside the cylindrical main body 2.
FIG. 22 is a cross-sectional view showing the vicinity of guide pieces 60 and 61, and FIG.
FIG. 23 is a front view seen from obliquely below in FIG. 21, and FIG.
It is sectional drawing which shows 1st and 2nd guide piece 61,62,
FIG. 23A shows a state in which the first and second half cylinders 4 and 5 are slightly opened as viewed from the right side of FIG. 24, and FIG. 23B shows the first and second half cylinders 4 and 5. Indicates a state in which they are coalesced.
Referring also to FIG. 1, a first guide piece is provided on the other side 41 of the first half-cylinder 4 at a distance in the longitudinal direction of the first half-cylinder 4 in the vicinity of the position where the engagement means 17 is provided. 60 are provided respectively. Each first guide piece 60 includes first and second half cylinders 4 and 5.
Guide the other side 16 of the second half cylinder 5 when they are attached to each other. The other side portion 16 of the second half-cylinder 5 is spaced apart in the longitudinal direction of the second half-cylinder 5 from the first guide piece 60 in the direction of the axis L1 near the location where the engaging means 17 is provided. L13 =
The second guide pieces 61 are formed at intervals of 5 mm. Each second guide piece 61 includes first and second half cylinders 4, 5.
Are guided when the other side 41 of the first half-cylinder 4 is joined. Thereby, when the first and second semi-cylindrical bodies 4 and 5 are joined together, the other side 4 which is located at a position away from the hinge 6
The first and second locking projections 50 and 52 can be guided so as to fit into the first and second locking concave grooves 51 and 52, respectively. 1
The second half cylinders 4 and 5 can be joined together.

Each first guide piece 60 is provided on the inner side of the first half-cylinder 4, protrudes from the open end face 47 of the first half-cylinder 4, and protrudes from the open end face 47. An arc-shaped guide surface 62 that is curved inward in the radial direction so as to be closer to one side 15 of the side 4 is formed. Also, the second guide piece 61
Is provided on the inner side of the second half-cylinder body 5, protrudes from the open end face 22 of the second half-cylinder body 5, and becomes closer to one side 15 of the second half-cylinder body as it protrudes from the open end face 22. An arc-shaped guide surface 63 that is curved inward in the radial direction is formed at the center.

Thus, the first and second half cylinders 4,
In a state in which the first and second guide pieces 60 and 5 are attached,
Numeral 61 is housed in the space 28 inside the cylindrical main body 2, and can be prevented from projecting to the outside and obstructing, or serving as a scaffold for rolling up vines such as ivy.
Further, since the guide surfaces 62 and 63 are arc-shaped, the inner and outer ends 41 and 16 of the first and second half-cylinders 4 and 6 have a distal end 6.
4, 65 can be smoothly guided, and the first and second half cylinders 4, 5 can be smoothly joined together.

The radius of curvature R3 of each guide surface 62, 63
R4 is 15 mm, which is selected to be smaller than the radius of curvature R5 of the inner peripheral surface of the cylindrical main body 2 = 91.5 mm, whereby the first and second guide pieces 61 and 62 are inscribed in the cylindrical main body 2. In this state, the first and second guide pieces 61 and 62 are not deformed in a state where the first and second half cylinders 4 and 5 are attached.

Each of the first and second guide pieces 60, 61
Is a distance L14 = 3 from the engagement means 17 as shown in FIG.
0 mm or at a distance L15 = 37 mm, which guides the vicinity where the engaging means 17 is provided, so that the vicinity where the engaging means 17 is formed is smoothly guided, and the first and second positions are provided. The two half cylinders 4 and 5 are easily joined together.

FIG. 24 is a sectional view showing the mounting pedestal 13, FIG. 25 is a plan view showing the mounting pedestal 13 as viewed from above in FIG. 24, and FIG.
FIG. 27 is a sectional view as seen from S26, and FIG. 27 is a sectional view as seen from section line S27-S27 in FIG. The mounting pedestal 13 protrudes from the peripheral wall portion 7 toward the open end surface 47 at an intermediate portion between the one side portion 40 and the other side portion 41 of the first half cylinder 4. The mounting pedestal 13 has a pedestal main body 66 having a substantially rectangular cross section, and a pair of protrusions 67a and 67b protruding adjacent to the pedestal main body 66.

The pedestal main body 66 includes a first wall 68 and a second wall 69 which are respectively arranged along the long sides of the rectangle.
It comprises a third wall portion 70 and a fourth wall portion 71 that connect the first and second wall portions 68 and 69 along the rectangular short side. The first and second wall portions 68, 69 have cylindrical portions 72, 73, respectively.
Are formed, and a plurality of ribs 74 are formed and reinforced. An internal screw is formed in each of the cylindrical portions 72 and 73 so that a screw member 75 is fixed by shrink fitting, and the bolt 76 is connected to the frame 31 of the cable locking unit 30.
, And is screwed through the washer 77, whereby the cable locking unit 30 is mounted on the mounting base 13.

The walls 68 to 71 and the bosses 72 and 73 of the pedestal main body 66 extend to substantially the same position near the open end surface 47, and the third and fourth walls 70 and 71 have
Notches 70a and 71a are respectively formed. The support leg 31 is provided on the frame 31 of the cord locking unit 30.
a, 31b are formed, and each support leg 31a, 31b is formed.
b fits into each of the notches 70a, 71a and is positioned.

Each of the projections 67a and 67b protrudes more toward the open end surface 47 than the pedestal main body 66. Further, the frame 31 of the cord locking unit 30 has an extension 31c formed on one side thereof.
a, 67b, the projections 67a,
The frame portion 31 cannot be fixed to the pedestal main body 66 because the 67b and the extension portion 31c interfere with each other. by this,
It is possible to prevent the frame portion 31 from being turned upside down, and it is easy to correctly attach the rope locking unit 30 configured to prevent the frame portion 31 from sliding down in one direction with respect to the rope. . Since the mounting base 14 has the same configuration as the mounting base 13, the description is omitted.

FIG. 28 is a sectional view showing the displacement restricting means 80, FIG. 29 is a plan view seen from above in FIG. 28, and FIG. 30 is a sectional view seen from section line S30-S30 in FIG. is there. At a position corresponding to the mounting pedestals 13 and 14 in the direction of the axis L1 of the second semi-cylindrical body 5, a displacement limiting means 80 for limiting the displacement of the cable from the predetermined position is formed.
The displacement restricting means 80 has a pair of restricting members 81a and 81b having a substantially H-shaped cross section.
81b is provided at an intermediate portion between the one side portion 15 and the other side portion 16 of the second half cylinder 5 at an interval in the direction of the axis L1 and protrudes from the peripheral wall portion 10 toward the open end surface 22 to near the open end surface. I have.

The open end faces 22 of the limiting members 81a and 81b
The first and second support surfaces 82a and 82b
When the semi-cylindrical bodies are joined together, they support the rope 13 sandwiched by the rope locking unit 30 as shown in FIG.
It is possible to limit the displacement of the cable 13 from a position along the axis L <b> 1, particularly in a direction approaching the second half cylinder 5. As a result, the rope 13 is inserted between the claw members 33 from the outside of the open end face, that is, from above in FIG. 24. Therefore, even if the ivy prevention device 1 is vibrated by wind, for example,
It is possible to prevent the cable 13 from being displaced with respect to the cable locking unit 30 and releasing the holding state by the cable locking unit 30.

FIG. 31 is a cross-sectional view showing the cable holding means 85, and FIG. 32 is a cross-sectional view taken along the line S32-S32 in FIG. The first semi-cylindrical body 4 is provided with two cable holding means at an intermediate portion between the one side portion 40 and the other side portion 41 from the peripheral wall portion 7 toward the open end surface 47 at an interval in the direction of the axis L1. 85 are protruded. Each cable holding means 85 is formed so as to be continuous with the base part 86 and the base part 86, and has the open end face 47.
And a pair of retaining pieces 87a, 87b protruding outward from the upper side.

Each of the retaining pieces 87a and 87b has an open end face 4
7, the distance L16 at the closest position in a natural state where no external force is applied is approximately 4 mm, and the outer diameter d2 is approximately 14 to 18 mm. Less than the cord that is about.
In FIG. 33, the rope 13 is pulled from above from each of the retaining pieces 87a,
Each retaining piece 87a, 87 is pushed in between 87b.
b are displaced away from each other, and the retaining pieces 87a,
The retaining pieces 87a, 87b fit into the inner side of the retaining pieces 87a, 87b through the gap between the retaining pieces 87a, 87b.
7b keeps it from coming off.

Further, positioning pieces 88a,
88b and a support piece 89 are formed.
The rope that has been retained by 7a and 87b is arranged at a position along axis L1. Such a cable holding means 85
By providing the rope, the rope 13 can be easily arranged at a position along the axis L1, and in this state, the rope 13 can be clamped by the rope locking unit 30. Can be easily attached to the cable 13.

FIG. 33 is a cross-sectional view showing the displacement preventing means 90, and FIG. 34 is a cross-sectional view taken along the section line S34-S34 of FIG. The position corresponding to the cable holding means 85 in the direction of the axis L1 of the second semi-cylindrical body 5 is
0 is provided. The displacement prevention means 90 has a pair of limiting members 91a and 91b. Each limiting member 91a, 91b
Is a trapezoidal plate member, which is provided between the one side portion 10 and the other side portion 16 and protrudes from the peripheral wall portion 11 toward the open end surface 22. Contact surface 92 closest to open end surface 22
a, 92b are formed near the open end surface 22. FIG.
As shown in FIG. 2, the restriction members 91a and 91b are arranged on both sides with respect to the direction of the axis L1 of the rope holding means 85, and
When the second semi-cylindrical bodies 4 and 5 are joined together, the ropes that are retained by the retaining pieces 87a and 87b are brought into contact with the contact surface 9.
The cable 13 can be prevented from being displaced by being sandwiched between the support members 89 and 2a, 92b. Thereby, it is possible to arrange the rope 13 at a position along the axis L1. Since the rope 13 is arranged at a position along the axis L1 by the rope holding means 85 and the displacement preventing means 90, the displacement of the rope 13 from the position along the axis L1 is limited only by the displacement limiting means 80. As compared with the above, the displacement can be surely limited.

FIG. 35 is an enlarged plan view showing the vicinity of one longitudinal end of the first and second half cylinders 4 and 5, and FIG.
FIG. 36 is a sectional view taken along section line S36-S36 in FIG. The end walls 8, 11 are formed in a flat shape substantially perpendicular to the axis L1. First locking ridge 50 and first locking groove 51
Extends to a position 96 near the one end 41 of the end wall portion 8,
It is also formed on the end wall portion 8. The second locking ridge 52 and the second locking groove 53 extend to a position 97 near the one end 16 of the end wall 11 and are also formed on the end wall 11. The third locking ridge 58 extends to a position 97 near the one end 16 of the end wall portion 11 and is also formed on the end wall portion 11. The third locking groove 59 extends to a position 96 near the one end 41 of the end wall 8. When the first and second half cylinders 4 and 5 are joined together, the first to third locking ridges 50, 52, and 58 are also formed on opposing portions of the end walls 8 and 11.
Are fitted into the first to third locking grooves 51, 53, 59, respectively, and the end walls 8, 1 of the first and second half cylinders 4, 5 are fitted.
It is possible to prevent the formation of a gap between the two, prevent entry of ivy and the like, and prevent sunlight from shining.

Still referring to FIG. 1, the end walls 9, 12
Is formed in a spherical shape in a tapered shape, and has flat portions 9a and 12a at the center of the tip. The first locking ridge 50 and the first locking groove 51 extend to a position 98 near the one end 41 of the end wall 9 and are also formed on the end wall 9.

The second locking projection 52 and the second locking groove 53
Extends to a position 99 near the one end 16 of the end wall 12 and is also formed on the end wall 12. The third locking projection 58 extends to a position 99 near the one end 16 of the end wall portion 12 and is also formed on the end wall portion 12. The third locking concave groove 59 is formed to extend to a position 98 near the one end 41 of the end wall portion 9. When the first and second half cylinders 4 and 5 are joined together, the first to third locking ridges 50, 52, and 58 are also provided at the opposing portions of the end walls 9 and 12. The first and second half cylinders 4, 5 are fitted into the third locking grooves 51, 53, 59, respectively, to prevent a gap from being formed between the end walls 9, 12 of the first and second half cylinders 4, 5, and to prevent entry of ivy and the like. , And can be prevented from shining sunlight.

FIG. 37 is a sectional view taken along line S37-S37 of FIG.
38 is a cross-sectional view as viewed from above, and FIG. 38 is a plan view as viewed from above in FIG. Referring also to FIG. 35 and FIG.
In addition, semicircular thin portions 100, 101 are formed near the axis L1 on the end walls 8, 11 disposed at one longitudinal end of the second semi-cylindrical bodies 4, 5, respectively. ,
In the 101, the cable thread 13 is fitted, and fitting recesses 102, 103 forming a part of a circle are formed, and the fitting recesses 102, 103 are formed.
Notches 104 and 105 extending radially from 103 are formed. As a result, the cable 13 is received by the fitting recesses 102, 103, and the first and second half cylinders 4, 5 are received.
The rope 13 can be easily clamped between the ropes, and the notches 104, 105 are formed so that the thin-walled portions 100, 101 are deformed according to the outer diameter d2 of the rope 13, and the rope is deformed. 13 can be received, the gap between the first and second half cylinders 4, 5 and the cable 13 is reduced,
The cable 13 can be pinched.

FIG. 39 is a sectional view taken along line S39-S39 of FIG.
40 is a cross-sectional view as viewed from above, and FIG. 40 is a plan view as viewed from above in FIG. Referring also to FIG. 35, a pair of side walls 108 are provided on one end of the first and second half cylinders 4 and 5 in the longitudinal direction along the axis L1 when they are joined together on both sides of the axis L1.
a, 108b; 109a, 109b are formed, respectively, between each side wall 108a, 108b and each side wall 109.
a, 109b, and three partition walls 110a, 110b, 110c; 111a, 1 in this embodiment.
11b and 111c are formed respectively. When the first and second half cylinders 4 and 5 are joined together, as shown in FIGS. 35, 41 and 42, each side wall 108a, 108
b partially overlaps with each other, and the partition walls 110a, 110b, and 110c partially overlap with each of the partition walls 111a, 11b, and 111c. Also, the thin-walled portions 100, 1 of the end wall portions 8, 11
01 are opposed to each other on the same surface without any gap. Thereby, when the first and second half cylinders 4 and 5 are joined,
It is possible to prevent vines such as ivy from invading or shining light from between the longitudinal ends of the first and second semi-cylindrical members 4 and 5 and the cords 13. it can. First
Each of the partition walls 110a to 110c of the semi-cylindrical body 4 is formed with an evacuation recess 117, respectively.
Each of the side walls 109a and 109b fits into the inner wall 7. As a result, even if they partially overlap each other as described above, the first
The second half cylinders 4 and 5 can be joined together.

Further, each of the partition walls 110a to 110c; 1
11a to 111c have thin portions 118 and 119, respectively.
3 fits into the fitting recesses 112, 1 forming a part of a circle.
13 are respectively formed, and further, each fitting recess 112, 1
Notches 114 and 115 extending vertically from 13 to the open end faces 47 and 22 are respectively formed. As a result, the partially overlapping partition walls 110a to 110
Even if c and 111a to 111c are formed, the rope 13 can be received, and the notches 114 and 115 are formed, so that the partition walls 110a to 110c and 111a to 11c are formed.
1c can be deformed according to the outer shape of the cable 13 and the cable 13 can be received with a reduced gap corresponding to the outer shape of the cable 13. Moreover, the notch 104,
105 extends perpendicular to each open end face 22, 47;
When the first and second half cylinders 4 and 5 are removed from the mold, the first and second half cylinders 4 and 5 can be easily removed, and the production can be facilitated. The other ends in the longitudinal direction of the first and second half cylinders 4 and 5 also have the same configuration as the one end in the longitudinal direction, and similar effects can be obtained. Detailed description is omitted.

The end walls 8, 11 disposed at one end of the first and second half cylinders 4, 5 are formed substantially flat perpendicular to the axis L1, and are formed in the first and second half cylinders. The end walls 9 and 10 arranged at the ends of 4 and 5 are tapered. By making the shape different at both ends in the longitudinal direction, one end and the other end in the longitudinal direction can be distinguished from the external appearance. Can be quickly and easily determined, and the mounting work at the time of mounting can be facilitated.

FIG. 43 is a plan view showing an intermediate portion between both ends in the longitudinal direction of the other side portion 41 of the first half cylinder 4, and FIG. 44 is a cross-sectional view taken along the section line S44-S44 in FIG. It is.
At least one of the first and second half-cylinders, in the present embodiment, the other side 41 of the first half-cylinder 4 is provided with an Protruding radially outward along the open end surface 47 of the semi-cylindrical body,
Is formed. The grip portion 120 is substantially C-shaped, and both end portions 121 a and 121 b are connected to the peripheral wall portion 7. Both end portions 121a and 121b are formed thinner than the remaining portions, and can be easily removed by a worker on site. By providing such a grip portion 120, the carrying of the tubular main body 2 is facilitated, and
Since the gripper 120 can be easily removed on site,
Prevents it from becoming a scaffold for vines such as ivy and does not promote winding.

FIG. 45 is a plan view showing the locking projection 125. The other side 41 of the first half-cylinder 4 has a grip 1
A locking protrusion forming portion 128 is provided in the vicinity of the formation of the locking protrusion 20, and the locking protrusion 125 protrudes substantially perpendicularly to the open end surface 41.
Are formed. Each of the locking projections 125 has a columnar shape, and has a plurality of plate-like, and in the present embodiment, four projections 127 extending in the axial direction of the locking projection 125 at intervals in the circumferential direction.
Are formed. Each projection 127 is elastically deformed.

FIG. 46 is a plan view showing an intermediate portion between both ends in the longitudinal direction of the other side portion 16 of the second half cylinder 5, and FIG. 47 is a sectional view taken along the section line S47-S47 in FIG. It is.
A locking hole forming portion 129 is provided in a portion of the second half cylinder 5 opposite to the locking projection 125 on the other side portion 16, and a locking hole 126 is provided.
Are formed. In a state where the first and second half cylinders 4 and 5 are attached, each locking projection 125 fits into each locking hole 126. Each locking hole 126 is cylindrical, and each projection 127 is deformed, so that each locking projection 125 is
6 respectively. Each engagement protrusion 125 can be released from the engagement state with each engagement hole 126, thereby temporarily fixing the first and second half cylinders 4 and 5. In this state, the first and second half cylinders 4 and 5 can be engaged with each other by the engagement means 17 in the temporarily fixed state, and the engagement work is facilitated. In addition, the first and second half-cylinders are prevented from opening during transportation, and transportation is facilitated.

As another embodiment of the present invention, a locking hole 126 may be formed in the first half cylinder 4 and a locking projection 125 may be formed in the second half cylinder 5.

As still another embodiment of the present invention, a grip portion 130 facing the grip portion 120 may be provided in the second half cylinder 5. By providing such a grip portion 130, each of the grip portions 120 and 130 can be individually gripped and the first and second half cylinders can be easily opened. When such a gripping portion 130 is provided, a locking projection 125a is formed on the gripping portion 120 instead of each locking projection 125, and the gripping portion 13 is formed instead of the locking hole 126.
The locking hole 126a may be formed in the hole 0. Each locking projection 125
a has substantially the same configuration as the locking projection 125,
26a has substantially the same configuration as the locking hole 126. By forming such locking holes 125a and locking projections 126a, it is possible to obtain the same effect as when the locking holes 125 and locking projections 126 of the above-described embodiment are formed. Further, as another embodiment of the present invention, a locking hole 126a may be formed in the grip portion 120 and a locking projection 125a may be formed in the grip portion 130, and the same effect can be obtained.

As another embodiment of the present invention, as shown in FIG. 48, the first and second half cylinders 4 and 5 are attached to the other side portions 41 and 16 of the first and second half cylinders 4 and 5, respectively. , 5 may be formed adjacent to each other to form the protrusions 130 and 131. Thus, the first and second half cylinders 4 and 5 can be easily opened by hooking the projections 130 and 131 with, for example, fingers at positions 132a and 132b indicated by virtual lines. Such protrusions 130 and 131 may be provided when the grips 120 and 130 are provided, or when one of the grips 120 and 130 is provided. You may do
Further, when both of the grips 120 and 130 are not provided, they may be provided.

FIG. 49 is a plan view showing a locking piece 133 according to still another embodiment of the present invention. The locking piece 133 has a configuration similar to that of the locking piece 18, and corresponding portions are denoted by the same reference numerals and description thereof is omitted. The locking piece 133 is provided with a support plate 134 extending between the legs 26a and 26b. By providing the support plate 134 in this manner, it becomes easy to press with, for example, a finger, and each leg 26
It becomes easy to deform so that the curvatures of a and 26b are increased as described above.

FIG. 50 is a plan view showing a locking piece 135 according to still another embodiment of the present invention. The locking piece 135 has a configuration similar to that of the locking piece 18, and corresponding portions are denoted by the same reference numerals and description thereof is omitted. Locking piece 135
The leg portions 26a, 26b have bent portions 136a, 136b which are bent in a C-shape in a direction approaching each other to an intermediate portion between the base end portions 24a, 24b and the free end portion 25. By forming the bent portions 136a and 136b in this manner, it becomes easy to press with, for example, a finger, and the legs 26a and 26b can be easily deformed in the direction of increasing the curvature as described above.

FIG. 51 is a plan view showing a locking piece 137 according to still another embodiment of the present invention. The locking piece 137 has a configuration similar to that of the locking piece 18, and corresponding portions are denoted by the same reference numerals and description thereof is omitted. Locking piece 137
The leg portions 26a, 26b have curved portions 138a, 138b that are curved in directions approaching each other between the base portions 24a, 24b and the free end portion 25. By forming such bent portions 138a and 138b, it becomes easy to press with, for example, a finger, and it becomes easy to deform the legs 26a and 26b in the direction of increasing the curvature as described above.

FIG. 52 is a perspective view showing a locking piece 139 according to still another embodiment of the present invention. The locking piece 139 is
It comprises a cylindrical shaft portion 140 constituting a base end portion, and a thin plate portion 141 extending while bending from the shaft portion 140. An elongated hole 142 extending in the width direction is formed in the plate-like portion 141 near an end opposite to the shaft portion 140. Thereby, the free end 143 is formed. Even when such a locking piece 139 is used, the first or second half cylinders 4 and 5 are swingably provided with the shaft portion 140 as a base end portion, and the free end portion 143 is formed in the locking recess 42.
The curvature of the leg 144 connecting the shaft portion 140 and the free end portion 143 can be easily deformed in the direction of increasing the radius of curvature.

FIG. 53 is a front view showing a locking piece 300 according to still another embodiment of the present invention. The locking piece 300
It has a configuration similar to that of the locking piece 18, and corresponding portions are denoted by the same reference numerals and description thereof is omitted.

The other end 301a of each leg 26a, 26b,
301b (the other end 301a is not shown)
a, 26b are bent longer than one ends 27a, 27b of the legs 26a, 26b toward the radially inward side of the curvature of the legs 26a, 26b, and the other end 301 of each of the legs 26a, 26b is bent.
A free end portion 25 is provided between the leading ends of a and 301b.

FIG. 54 is an enlarged sectional view showing a locking recess 305 in which the free end 25 of the locking piece 300 is locked.
A guide hole 306 is formed in the other side portion 41 of the first half-cylinder 4 so as to extend from the outer surface 43 of the first half-cylinder 4 to the radially inward side of the cylindrical body 2. Deepest part 3 of 306
A locking recess 305 is formed so as to be continuous with 06a.
The locking recess 305 is provided in the guide hole 306 with the latest portion 306a.
With the protrusion 307 protruding from the side close to the second half-cylinder body 5 where the locking piece 300 is provided, as it goes from the outer surface 43 of the first half-cylinder body 4 to the inside of the cylindrical body 2 in the radial direction, It is formed to be inclined upward in FIG. 54 so as to be close to the second half cylinder 5.

The free end 25 of the locking piece 300 is
From the position 308 in a natural state where no external force is applied to the legs 26a and 26b in a state where the legs 26a and 26b are in contact with the outer surface 43.
Is pressed inward in the radial direction to increase the radius of curvature, the locking piece 300 is deformed, and the free end portion 25 is
07 and fit into the locking recess 305 to lock. Even with such a configuration, the same effect as in the case of using the locking pieces 18 can be obtained.

FIG. 55 is a sectional view showing the other side portions 41a and 16a of the first and second half cylinders 4 and 5 according to still another embodiment of the present invention, and FIG. FIG. 55 (2) shows a state in which the first and second half cylinders 4, 5 are engaged. Each of the other side portions 41a and 16a of the present embodiment has a similar configuration to each of the other side portions 41 and 16 of the above-described embodiment, and a description of only different portions will be omitted. As shown in FIG.
The first locking ridge 50 and the first
A fourth locking protrusion 147 is formed on the radially inner side of the first locking groove 51 in addition to the locking groove 51. Such a fourth
The locking ridge 147 protrudes from the other side portion 41 in the circumferential direction and extends in the longitudinal direction of the first half cylinder 4. By forming such a fourth locking ridge 147, the first
And the other side portions 41a, 16a of the second half cylinders 4, 5 can be reliably prevented from shifting in the radial direction.
It is possible to reliably prevent a gap from being formed between the other side portions 41 and 16 of the first and second half cylinders 4 and 5.
In addition, no gap is formed in the portion where the engaging groove 56 is formed as shown in FIG. 56 because the second locking ridge and the fourth locking ridge 157 surely overlap each other.

FIG. 57 is an enlarged perspective view showing the rope locking unit 30, FIG. 58 is an enlarged plan view of the rope locking unit 30, and FIG. 59 is a sectional view of the rope locking unit 30. 60 is a plan view showing the frame 31 provided in the rope locking unit 30, FIG. 61 is a front view seen from the lower side of FIG. 60, and FIG. 62 is a section line S62-S of FIG.
It is sectional drawing seen from 62. The cord locking unit 30
A frame 31 and a pair of claw members 3 supported by the frame
And 3.

The frame 31 has a pedestal portion 31d, supporting columns 31e and 31f rising from the pedestal portion 31d, the support legs 31a and 31b, and the detecting portion 31c. The pedestal portion 31d has an insertion hole 31g.
Then, the bolts are inserted into the mounting bases 13 and 14.

Each claw member 33 is attached to the pedestal 3 of the frame 31.
Posts 31e, 31 symmetrically disposed and erected in 1d
f is supported by the shaft member 32 provided through each of the insertion holes 34. The shaft member 32 is a bolt, and a nut 32b is screwed to a tip end thereof through a washer 32a.
The claw member 33 is stopped.

The claw member 33 forms a part of the outer peripheral surface with the cable 13
And a contact surface 35 for holding the same. This contact surface 35
Changes in diameter around the shaft member 32. Each claw member 3
Numerals 3 are arranged symmetrically so that when they rotate in the direction F, as shown in FIG. That is, the claw member 33 is provided on both sides (left and right in FIG. 58) of the cable 13 in the longitudinal direction of the cable 13 (FIG. 58).
(In the vertical direction of FIG. 58)
The frame 31 has a rotation axis and is symmetrically provided on the frame 31 so as to be freely angularly displaceable. Each claw member 33 is configured by covering an outer peripheral surface of a claw main body 33a with an elastic layer 33b. The outer diameter of the contact surface 35 that abuts the rope 13 of the elastic layer 33b and sandwiches the rope 13 about the rotation axis is lower than the straight line 39 connecting the rotation axes in FIG. It is formed on a larger arc surface. The claw members 33 are provided with sector gears 36 described below so as to rotate integrally.

Each claw member 33 is a front view of FIG.
As shown in a partially cutaway plan view and a side view of FIG. 65, a claw main body 33a formed by using polycarbonate.
Is covered with a synthetic rubber to form an elastic layer 33b. The elastic layer 33b is fixed using an adhesive. The elastic layer 33b has a thickness of 3 to 6 mm, and preferably has a Shore hardness of 70 degrees.

Each claw member 33 is attached to the base 3 of the frame 31.
Including a sector gear 36 integrally formed on the side facing 1d. The sector gear 36 has an arc shape facing the same direction as the contact surface 35 of the claw member 33, and the axis of the pitch circle is the same as the axis of the shaft member 32. The pair of sector gears 36 mesh with each other.

On the side of the claw member 33 facing the pedestal portion 31d, there is a space 37 formed in a part of the claw body 33a and the sector gear 36, and a spiral spring 38 is provided in this space 37. Is stored. The spiral spring 38 is connected to the shaft member 32.
, The base end of which is bent in parallel with the shaft member 32 and inserted and fixed to the pedestal portion 31d of the frame 31,
The distal end extends along the inner peripheral wall of the space 37. The spiral spring 38 resiliently urges the pair of claw members 33 such that the contact surfaces 35 change from a small diameter to a large diameter. Each pair of springs 38 applies a spring force to each claw member 33 in the angular displacement direction in which the contact surface 35 approaches the cable 13.

The above-mentioned ivy prevention device 1 includes, for example, such a rope locking unit 30. The ivy prevention device 1 opens the first and second half cylinders 4 and 5, and With the cable 13 held by the cable, the cable locking unit 30
Are rotated in the direction in which the contact surface 35 has a small diameter, and the cable 13 is fitted into the fitting space 30a, so that each contact surface 3
The first and second half cylinders 4 and 5 are joined together and engaged by the engagement means 17 in a state where the cable 13 is elastically held by the cable 5. Thus, it can be easily attached to the cable 13.

Further, as another embodiment of the present invention, the first and second half cylinders 4 and 5 may be blow molded to have a double wall structure.

[0078]

According to the first aspect of the present invention, a space can be formed inside by joining two space forming bodies connected by the hinge part. A first locking ridge and a first locking groove are formed on the other side of one space forming body, and each space forming body is attached to the other side of the other space forming body. A second locking ridge that fits into the first locking groove when the first space is formed,
A second locking groove into which the locking ridge is fitted is formed. This prevents the gaps from being formed without the other side portions of the space forming members being mutually shifted when the space forming members are joined together. Further, a guide piece is formed on the other side of each space forming body, and the other side of each space forming body is mutually guided when the space forming bodies are joined.
Thereby, the first locking ridge is securely fitted into the first locking groove, the second locking ridge is securely fitted into the second locking groove, and each space is formed. The body can be easily attached.

According to the second aspect of the present invention, since each guide piece is formed with the arcuate guide surface as described above, the other side of each space forming body is smoothly guided, and each space forming member is guided. Body can be smoothly attached. In addition, since the guide portion is housed inside when the space forming bodies are attached,
It does not protrude outside and does not get in the way.

According to the third aspect of the present invention, since the inner surface of each space forming body is formed in a cylindrical shape and the guide surface is formed in an arc shape, each space forming body is guided more smoothly. . Further, since the guide surface has a radius of curvature smaller than the radius of curvature of the inner surface of each space forming body, the guide portion is in a state of being inscribed in each space forming body, and each space forming body is attached. In this state, each space forming body is housed inside without being deformed or undesirably displaced.

[Brief description of the drawings]

FIG. 1 is a plan view showing an ivy prevention device 1 according to an embodiment of the present invention in an open state.

FIG. 2 is a plan view of the ivy prevention device 1. FIG.

FIG. 3 is a side view shown from the left side of FIG. 1;

FIG. 4 is a side view as viewed from the left side of FIG. 2;

FIG. 5 is an enlarged front view showing the vicinity of the other side portion 16 of the second half cylinder 5 where the engagement means 17 is provided.

FIG. 6 is a front view shown from above in FIG. 5;

FIG. 7 is a sectional view taken along section line S7-S7 in FIG. 5;

FIG. 8 is a sectional view taken along section line S8-S8 in FIG. 5;

9 is a front view showing a locking piece 18. FIG.

FIG. 10 is a plan view of the locking piece 18 as viewed from above in FIG. 9;

FIG. 11 is an enlarged rear view showing the vicinity of the other side portion 41 of the first half cylinder 4 where the engagement means 17 is provided.

FIG. 12 is a plan view shown from above in FIG. 11;

FIG. 13 is a sectional view taken along section line S13-S13 in FIG. 11;

FIG. 14 is a sectional view taken along section line S14-S14 in FIG. 11;

FIG. 15 is an enlarged sectional view showing a section S15 of FIG. 13;

FIG. 16 shows the other side portion 41 of the first and second half cylinders 4 and 5,
16 is an enlarged sectional view showing FIG. 16, and FIG.
16 and a state where the second half cylinders 4 and 5 are slightly opened, and FIG. 16 (2) shows a state where the first and second half cylinders 4 and 5 are joined.

FIG. 17 shows the other side portion 41 of the first and second half cylinders 4, 5;
FIG. 17 (1) is a cross-sectional view showing the vicinity where 16 engaging means 17 are provided, FIG. 17 (1) shows a state where the first and second half cylinders 4, 5 are slightly opened, and FIG. 1 shows a state in which the first and second half cylinders 4 and 5 are joined together.

FIG. 18 is a sectional view taken along section line S18-S18 in FIG. 17 (2).

FIG. 19 shows the other side portion 41 of the first and second half cylinders 4 and 5,
FIG. 19A is a cross-sectional view showing the vicinity where 16 engaging grooves 56 are formed. FIG. 19A shows a state where the first and second half cylinders 4 and 5 are slightly opened, and FIG. 1 shows a state in which the first and second half cylinders 4 and 5 are joined together.

FIG. 20 shows one side portion 40 of the first and second half cylinders 4 and 5,
15 is an enlarged cross-sectional view of FIG. 15, and FIG.
20 and a state where the second half cylinders 4 and 5 are slightly opened, and FIG. 20 (2) shows a state where the first and second half cylinders 4 and 5 are joined together.

FIG. 21 is a perspective view showing first and second guide pieces 60 and 61. FIG.

FIG. 22 is a front view of FIG. 23 viewed from obliquely below.

FIG. 23 is a cross-sectional view showing first and second guide pieces 60 and 61, and FIG. 23 (1) shows first and second half cylinders 4 and 5;
23 shows a state in which the first and second half cylinders 4 and 5 are joined together, and FIG.

FIG. 24 is a sectional view showing the mounting base 13;

FIG. 25 is a plan view showing the mounting base 13 as viewed from above in FIG. 24;

FIG. 26 is a sectional view taken along section line S26-S26 in FIG. 25;

FIG. 27 is a sectional view taken along section line S27-S27 in FIG. 25;

FIG. 28 is a sectional view showing the displacement limiting means 80.

FIG. 29 is an enlarged plan view showing the displacement limiting means 80 as viewed from above in FIG. 28;

FIG. 30 is a sectional view taken along section line S30-S30 in FIG. 29;

FIG. 31 is a cross-sectional view showing the cable holding means 85.

FIG. 32 is a sectional view taken along section line S32-S32 in FIG. 31;

FIG. 33 is a sectional view showing the displacement prevention means 90.

FIG. 34 is a sectional view taken along section line S34-S34 in FIG.

FIG. 35 is a plan view showing the vicinity of one longitudinal end of first and second half cylinders 4 and 5;

FIG. 36 is a sectional view taken along section line S36-S36 in FIG. 35;

FIG. 37 is a sectional view taken along section line S37-S37 in FIG. 35;

FIG. 38 is a plan view shown from above in FIG. 37;

FIG. 39 is a side view as viewed from section line S39-S39 in FIG. 35;

FIG. 40 is a plan view shown from above in FIG. 39;

FIG. 41 is a cross-sectional view showing the thin-walled portions 100 and 101 in a state where the first and second half cylinders 4 and 5 are attached.

FIG. 42 is a sectional view showing the thin-walled portions 118 and 119 in a state where the first and second half cylinders 4 and 5 are attached to each other.

FIG. 43 is a plan view showing an intermediate portion between both ends in the longitudinal direction of the other side portion 41 of the first half cylinder 4;

FIG. 44 is a sectional view taken along section line S44-S44 in FIG. 43;

FIG. 45 is a plan view showing a locking projection 125. FIG.

FIG. 46 is a plan view showing an intermediate portion between both ends in the longitudinal direction of the other side portion 16 of the second half cylinder 5;

FIG. 47 is a sectional view taken along section line S47-S47 in FIG. 46;

FIG. 48 is a plan view showing the projections 130 and 131.

FIG. 49 is a plan view showing a locking piece 133 according to another embodiment of the present invention.

FIG. 50 shows a locking piece 13 according to still another embodiment of the present invention.
FIG.

FIG. 51 shows a locking piece 13 according to still another embodiment of the present invention.
FIG. 7 is a plan view showing 7.

FIG. 52 shows a locking piece 13 according to still another embodiment of the present invention.
FIG. 9 is a perspective view showing 9.

FIG. 53 shows a locking piece 30 according to still another embodiment of the present invention.
FIG.

FIG. 54 is an enlarged sectional view showing a locking recess 305.

FIG. 55 is a cross-sectional view showing the other side portions 41a and 16a of the first half cylinders 4 and 5 according to still another embodiment of the present invention, and FIG. 55 (1) is a diagram showing the first and second half cylinders. FIG. 55 (2) shows a state where the first and second half cylinders are joined together.

FIG. 56: Another side portion 41 of the first and second half cylinders 4, 5
FIGS. 56A and 56B are cross-sectional views showing the vicinity where the engaging groove 56 of FIGS. a and 16a is formed. FIG. 56A shows a state where the first and second half cylinders 4 and 5 are opened, and FIG. 1 shows a state in which the first and second half cylinders 4 and 5 are joined together.

FIG. 57 is an enlarged perspective view showing the rope locking unit 30.

FIG. 58 is an enlarged plan view of the cord locking unit 30.

59 is a cross-sectional view of the rope locking unit 30. FIG.

60 is a plan view showing a frame 31. FIG.

FIG. 61 is a plan view seen from the lower side of FIG. 58.

FIG. 62 is a sectional view taken along section line S62-S62 in FIG. 58;

63 is a front view showing the claw member 33. FIG.

64 is a partially cutaway plan view showing the claw member 33. FIG.

65 is a side view of the claw member 33. FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Ivy prevention device 2 Cylindrical main body 3 Rope locking unit 4 First half cylinder 5 Second half cylinder 6 Hinge part 12 Space 13, 14 Mounting base 17 Engagement means 18, 133, 135, 137, 139 Locking piece 19 Mounting recess 30 Cable locking unit 60 First guide piece 61 Second guide piece 62, 63 Guide surface

Continuation of the front page (56) References JP-A 3-95781 (JP, U) JP-A 3-20663 (JP, U) JP-A 3-8271 (JP, U) JP-A 60-191639 (JP) , U) Fully open sho 60-75548 (JP, U) Really open sho 59-12371 (JP, U) Really open sho 59-46 (JP, U)

Claims (3)

(57) [Claims] 1. A jointable two jointed by a hinge part.
It has two space forming bodies, and a space is formed inside by joining each space forming body, and the other side part opposite to one side part where the hinge part of one space forming body is provided is A first projecting member extending substantially perpendicularly to an open end face of one of the space forming members and extending in a longitudinal direction of the one space forming member.
A locking ridge and a first locking groove extending in the longitudinal direction are formed, and the other space formed on the other side opposite to the one side provided with the hinge of the other space forming body has the other space. A second locking ridge that projects substantially perpendicularly to the open end face of the forming body, extends in the longitudinal direction of the other space forming body, and fits into the first locking groove when each of the space forming bodies is joined together; Extends in the longitudinal direction of the other space forming body,
A second locking concave groove into which the first locking ridge is fitted when the respective space forming bodies are joined together is formed. On the other side of each of the space forming bodies, the respective space forming bodies are mutually connected. A housing, provided with guide pieces for mutually guiding the other side of each space forming member when they are joined together. 2. Each of the guide pieces protrudes from an open end surface of each space forming body, and has an arc-shaped guide surface that curves toward one side of each space forming body as it protrudes from the open end surface,
The housing according to claim 1, wherein each of the space forming bodies is housed inside in a state of being attached. 3. The space forming body has an inner surface formed in a cylindrical shape, the guide surface has an arc shape, and a radius of curvature thereof is smaller than a radius of curvature of the inner surface of the space forming body. The housing according to claim 2.