JP5221901B2 - Handrail end cap and handrail connection structure and connection structure - Google Patents

Description

  The present invention relates to an end cap of a handrail capable of attaching a handrail attached to a staircase or a corridor of a building at an arbitrary angle, a handrail connection structure, and a connection structure.

  Many handrails are installed not only in ordinary households but also in public facilities to ensure safety when walking or climbing stairs. On long stairs and corridors, multiple handrails are connected and installed. In addition, at the corners of corridors and stairs, handrails are connected using L-shaped or arc-shaped connectors in order to connect the handrails at a predetermined angle.

  However, since the bending angles of the corridors and stairs are various, it is difficult to supply the connecting tools corresponding to the respective bending angles as standard products. Therefore, there is a need for a universal connecting device that can change the connecting angle. . For this reason, various universal couplers have been proposed.

For example, Patent Document 1 discloses a universal connector in which a pair of movable members to which a handrail is connected are connected by a connecting member in order to freely connect the handrail.
Patent Document 2 discloses a joint structure in which a handrail material is freely connected by interposing a sphere between the handrail material and the handrail material.
In Patent Document 3, the tip of the second joint attached to the end of the other handrail is rotatable in the opening provided at the end of the first joint attached to the end of one handrail. A mated handrail joint is disclosed.

Japanese Patent Laid-Open No. 11-6267 JP 2002-61366 A JP 2002-61359 A

  The connecting tools described in Patent Documents 1 to 3 are all designed to freely connect handrails. However, since all connecting tools are premised on connecting and connecting handrails, There is a problem that the number of points increases, the structure of the connecting tool becomes complicated and large, and the construction is complicated because the handrails are connected to each other. Therefore, it is desired to attach a handrail easily.

  On the other hand, in the work of attaching the handrail, it is usually necessary to attach the handrail to the wall surface before attaching the wallpaper, then remove the handrail and attach the wallpaper, and attach the handrail to the wall surface again. This is because an operator who performs wall surface construction and attachment of handrails is different from an operator who pastes wallpaper, and the working days of these workers are different. Therefore, in consideration of work efficiency, it may be desired that the handrails can be easily detached after they are once attached.

Accordingly, one object of the present invention is to provide a handrail end cap that can easily connect handrails at an arbitrary angle and has a simple structure, and a handrail connection structure using the end cap. is there.
Another object of the present invention is to provide a handrail connection structure that can accurately and easily connect handrails at the time of handrail construction and has a simple structure.

  As a result of intensive studies to solve the above problems, the present inventor obtained the following knowledge and completed the present invention. That is, instead of connecting the handrails as in the conventional connector, if the end surfaces of the two handrails are close to each other at an arbitrary angle or are brought into contact with each other, the structure is simple and the construction is easy. Become. At that time, the end cap is attached to the end of the handrail, and the end surface of the end cap is formed as a circular inclined surface, and these inclined surfaces are brought close to or in contact with each other, so that the handrails can be easily arranged at any angle. As a result, the design can be improved without impairing the appearance of the handrail.

That is, the end cap of the handrail according to the present invention has the following configuration.
(1) An end cap attached to the end of the handrail, characterized in that the end of the handrail is attached to the rear end surface and the tip end surface is a circular inclined surface inclined with respect to the axis of the handrail. End cap of handrail to do.
(2) The circular inclined surface is equal to or shorter than the minor axis of the elliptical cut inclined surface when a round bar having the same diameter as the end cap is cut at a predetermined inclination angle with respect to the axis. The end cap according to (1) having a small diameter.
(3) The end cap according to (1) or (2), wherein a center of the circular inclined surface coincides with an axis of the handrail.

The connection structure of the handrail according to the present invention has the following configuration.
(4) A handrail connection structure in which two handrails are connected at a predetermined angle, with the end portions of each handrail attached to the rear end surface of the end cap and the end caps attached to the end portions of the two handrails. A handrail connection structure, characterized in that circular inclined surfaces provided at the end caps of each end cap and inclined with respect to the axis of the handrail are brought into contact with each other or in close proximity to each other.
(5) The connecting structure according to (4), wherein the end cap is attached to the handrail so as to be rotatable in a circumferential direction of the handrail.
(6) The end cap is formed with a passage for inserting a handrail mounting screw from the circular inclined surface in a direction coaxial with the handrail, and a hole through which the handrail mounting screw is inserted is formed at the bottom of the passage. The screw inserted into the passage from the circular inclined surface is locked at the periphery of the hole at the bottom of the passage, and the screw portion passes through the hole and is screwed onto the end surface of the handrail. The handrail connection structure described in (4) or (5).
In the present invention, “joining” means that the two handrails are not connected or connected but are connected substantially continuously, and there may be a gap between the opposed end caps. .

On the other hand, the inventor has found that when the above-described end cap is used, not only connection but also connection can be easily performed using a simple connector. That is, the handrail connection structure according to the present invention has the following configuration.
(7) A handrail connection structure that connects two handrails connected at a predetermined angle, with the end of each handrail being attached to the rear end surface of the end cap, and provided on the end cap end with respect to the axis of the handrail A handrail connection structure characterized in that circular inclined surfaces which are inclined with each other are brought into contact with each other or close to each other and both end caps are connected via a connecting member.
(8) The end cap has a handrail attached to the rear end surface, and an opening is provided in the circular inclined surface, and both ends of the connecting member are inserted into the openings of both end caps, respectively. The handrail connection structure according to (7), wherein the cap is connected.
(9) The connecting member has a substantially hat-shaped cross section, is inserted and held in the end cap from the opening of one end cap, and the opening edge of the connecting member is from the opening of the one end cap. The handrail connection structure according to (8), wherein the end rail is protruded and engaged with the inner edge of the other end cap to connect both end caps.
(10) The end cap has a cylindrical portion extending inward from the opening, and the connecting member is in a state in which the circular inclined surfaces at the ends of the end caps are in contact with each other or in close proximity to each other. A barrel portion that is inserted over the cylindrical portions of both end caps, and is formed at both ends of the barrel portion and protrudes from a through hole at the rear end of the cylindrical portion, and is locked to an outer edge portion of the through hole. The handrail connection structure according to (8), further including a head portion, wherein the body portion is provided with a separation portion for separating the body portion into two.
(11) The handrail connection structure according to (10), wherein the body portion is provided with a separation portion for separating the body portion into two.
(12) The connecting member is made of an elastic member that can be stretched and formed with locking portions at both ends. The handrail connection structure according to (7), wherein the structure is inserted into both end caps through the opening of the cap, and the locking portions at both ends are locked in the end caps.
(13) The end cap has a cylindrical portion extending inward from the opening, and the connecting member is in a state in which the circular inclined surfaces at the ends of both end caps are in contact with each other or close to each other. And a barrel portion that is inserted over the cylindrical portions of both end caps, the latch portions are formed at both ends of the barrel portion, and the latch portions penetrate the rear end of the cylindrical portion. The handrail connection structure according to (11), which protrudes from the hole and is locked in each end cap.
(14) The connection structure of the handrail according to claim 8, wherein the connection member is a dowel that inserts both ends into each opening of both end caps to connect both end caps.
(15) A handrail connection structure for connecting two handrails connected at a predetermined angle, wherein the end of each handrail is attached to the rear end surface of the end cap, and is provided at the end cap of each end cap and on the axis of the handrail The circular inclined surfaces inclined with respect to each other are brought into contact with each other or close to each other, and an opening is formed in the circular inclined surface in one end cap, and an opening is formed in the circular inclined surface in the other end cap. A handrail connection structure, wherein protrusions to be inserted are provided.
(16) The handrail connection structure according to (14), wherein the protrusion is an engaging protrusion that is fitted into the opening and engages with an inner edge portion of the opening.
(17) In the end cap, a handrail is attached to a rear end surface, and a passage for inserting a handrail attachment screw from the circular inclined surface in a direction coaxial with the handrail is formed. A hole through which a handrail mounting screw is inserted is formed, and the screw inserted into the passage from the circular inclined surface has its head locked to the periphery of the hole at the bottom of the passage, and the screw portion is the hole. The handrail connection structure according to (7), wherein the handrail is inserted into the end face of the handrail.
(18) The circular inclined surface of the end cap is provided with an opening, and the passage is formed inside the opening. The outer end of the opening of the one end cap is connected to the other end cap. The handrail connection structure according to (14), wherein an engagement protrusion is provided which is fitted into the provided opening and engages with an edge of the opening.
(19) A handrail connection structure for connecting two handrails connected at a predetermined angle, wherein the end of each handrail is attached to the rear end surface of the end cap, and is provided at the end cap of each end cap, The circular inclined surfaces inclined with respect to each other are brought into contact with each other or closely opposed to each other, and an engagement protrusion is provided on the circular inclined surface of one end cap, and the circular inclined surface of the other end cap is provided on the circular inclined surface. Is formed with an arcuate slide groove extending concentrically with the circular inclined surface, and with the two handrails adjusted to a predetermined angle, the tip of the engagement protrusion is the arcuate shape. A handrail connection structure which is inserted into the slide groove at a predetermined position of the slide groove and is engaged with the slide groove.
(20) In the circular inclined surface of the other end cap, an insertion port for inserting the engagement protrusion, and an arcuate slide groove extending concentrically with the circular inclined surface from the insertion port The engaging projection is inserted into the other end cap from the insertion port, and slides along the arcuate slide groove in conjunction with the angle adjustment of the two handrails, The handrail connection structure according to (18), which is configured to engage with the slide groove.
(21) The handrail connection structure according to (18) or (19), wherein the engagement protrusion is a substantially L-shaped or claw-shaped protrusion.
(22) An opening is provided in the circular inclined surface of the end cap, and both end caps are integrally connected and fixed at a predetermined angle by the connecting member through the openings. The connecting structure of the described handrail.
The present invention also provides a structure for attaching a handrail to the end cap described below.
(23) At least one end of two end caps connected at a predetermined angle with circular inclined surfaces provided at the tip and inclined with respect to the axis of the handrail so as to be in contact with or in close proximity to each other. A structure for attaching a handrail to a cap, wherein the at least one end cap includes an end cap main body having the circular inclined surface at a tip, and an outer cap on the outer peripheral surface of the handrail. A structure for attaching a handrail to an end cap, comprising a cylindrical connecting portion configured to be movable toward the main body and connecting the end cap main body and the handrail.
(24) At least one end of two end caps connected at a predetermined angle with circular inclined surfaces provided at the tip and inclined with respect to the axis of the handrail so as to abut or face each other. A structure for attaching a handrail to a cap, wherein the at least one end cap includes an end cap body having the circular inclined surface at a front end, and a handrail attached to the rear end face disposed on a rear end face of the end cap main body. A handrail mounting portion and a cylindrical shape which is externally mounted on the outer peripheral surface of the handrail mounting portion and is movable from the outer peripheral surface of the handrail mounting portion toward the end cap main body and connects the end cap main body and the handrail mounting portion. A structure for attaching a handrail to an end cap, comprising a connection portion.
(25) The end cap body has a female threaded portion formed on the rear end surface thereof, and a male threaded portion that is screwed with the female threaded portion is formed on the outer peripheral surface of the cylindrical connecting portion. The handrail attachment structure (26) to the end cap according to claim 23, wherein a rear end of the connection portion is positioned on an outer peripheral surface of the handrail attachment portion in a state of being screwed to the portion. A structure in which a handrail is attached to at least one of the two end caps that are connected at a predetermined angle, with the circular inclined surfaces inclined with respect to each other being brought into contact with each other or in close proximity to each other. The at least one end cap includes an end cap body having the circular inclined surface at the front end and a flange portion at the rear end, and a handrail tip fitted on the outer peripheral surface of the rear end portion of the end cap main body. And a pair of handrail attachment portions having a substantially semicircular cross section that accommodates the end portion, and one of the pair of substantially semicircular connection portions is engaged with the flange. A structure for attaching the handrail to the end cap, wherein the other connection portion is movably connected to the one connection portion toward the handrail and a screw insertion hole for attaching the handrail is formed. .

  Since the end cap of the handrail according to the present invention has a circular inclined surface, the end surfaces of the end caps provided at the end of the handrail can be connected to each other at an arbitrary angle, for example, at the corner of a corridor or staircase. Handrails can be easily connected at an arbitrary angle by simply contacting or facing each other. Therefore, the installation work of the handrail is facilitated, and there is an effect that the design of the handrail can be improved without deteriorating the appearance of the handrail.

According to the connecting structure of the handrail according to the present invention, both end caps in which the inclined circular inclined surfaces are brought into contact with each other or close to each other are provided by the connecting member or on the circular inclined surfaces of the both end caps. Thus, the handrails can be accurately and easily connected at the time of handrail construction. In addition, when attaching wallpaper, the connection between the handrails can be canceled if necessary. Further, the handrail fits well after construction, and there is an effect that it is possible to almost eliminate the gap between the end caps.
Further, according to the structure for attaching the handrail to the end cap according to the present invention, when the handrail connected at a predetermined angle using the end cap is removed, the handrail is pivoted by sliding the cylindrical connecting portion. Since it can be easily taken out in a direction perpendicular to the direction, there is an effect that attachment and detachment of the handrail becomes easy. In the case of (25) above, the handrail mounting portion is slid.

<First Embodiment>
FIG. 1 is a cross-sectional view showing an end cap of a handrail according to the first embodiment of the present invention, FIG. 2 is a plan view thereof (viewed from the direction of arrow A in FIG. 1), and FIG. 1 is a view from the direction of arrow B in FIG. 4 is a YY sectional view of FIG. 3, and FIG. 5 is a rear view of the end cap of FIG.

  As shown in FIG. 1, the end cap 1 has a handrail mounting hole 3 for fitting the handrail 2 on the rear end surface, and a circular inclined surface 4 whose front end surface is inclined with respect to the axis of the handrail 2. It has become. A cylindrical passage 5 for inserting a handrail fixing screw is provided at the center of the end cap 1, and a hole 6 communicating with the handrail attachment hole 3 is provided at the bottom of the passage 5. . The centers of the passage 5 and the hole 6 coincide with the axis of the handrail 2.

As shown in FIGS. 1, 2, 4, and 5, the end cap 1 includes an outer shell portion 1 </ b> A, a bottomed cylindrical portion 1 </ b> B that is recessed at the center of the circular inclined surface 4 of the end cap 1, A reinforcing wall 1C stretched between the bottomed cylindrical portion 1B and the outer shell portion 1A is provided, and these are formed by integral molding. The bottomed tube portion 1B constitutes the passage 5 described above. As shown in FIG. 5, the lower end surface of the reinforcing wall 1 </ b> C is formed with a toothed portion 1 </ b> D having concave and convex grooves so that the lower end surface of the reinforcing wall 1 </ b> C bites into the handrail 2 at the time of screw tightening.
1 corresponds to a cross-sectional view taken along line XX in FIG. Further, the outer shell portion 1A, the bottomed cylindrical portion 1B, and the reinforcing wall 1C may be separately molded and assembled.

  In order to attach the end cap 1 to the handrail 2, as shown in FIG. 1, the tip of the handrail 2 is inserted into the handrail attachment hole 3, and then a screw 7 is inserted from the passage 5 of the end cap 1. The end cap 1 is fixed by screwing the screw 7 into the tip of the handrail 2 through the hole 6 by engaging with the bottom surface of the passage 5.

  In this way, the handrail 2 simply fits the tip end into the handrail mounting hole 3 of the end cap 1 and fixes the tip end surface with the screw 7, so that the rear portion of the end cap 1 is shortened, and thus the end cap 1 is miniaturized. Therefore, the design of the handrail can be improved without conspicuous in appearance.

  Since the fixing method is as described above, the end cap 1 can be rotated in the circumferential direction of the handrail 2. Thereby, the two handrails 2 and 2 can be freely connected, and workability is improved.

  The end surface of the end cap 1 needs to be a circular inclined surface 4, so that the end caps 1 attached to the end portions of the two handrails 2 and 2 can be applied at an arbitrary angle. The handrails 2 and 2 can be continuously connected when they are in contact or close to each other.

The inclination angle α (FIG. 1) of the circular inclined surface 4 is preferably 45 ° with respect to the handrail 2 and the axis A1 of the end cap 1. That is, when the inclination angle α is 45 °, the same end cap of the two handrails connected to each other can be used, so that the cost can be reduced by reducing the number of parts. However, it is not always necessary that the inclination angle α of the inclined surface 4 is strictly 45 °, and an angle in the vicinity of 45 °, for example, 45 ° ± 10 °, preferably 45 ° ± 5 °. Also good.
However, of course, if the number of parts is allowed to be two, two end caps 1 and 1 having different inclination angles α of the circular inclined surface 4 may be used. In this case, the sum of both inclination angles α is preferably 90 °.

Here, as shown in FIG. 6, the circular inclined surface 4 is an elliptical cut inclined surface 9 obtained by cutting a round bar 8 having the same diameter as the end cap 1 with a predetermined inclination angle with respect to the axis A2. It is preferable to have a diameter equal to the minor axis d. Thereby, the handrails 2 and 2 can be smoothly and continuously connected without impairing the appearance and design. On the other hand, when the circular inclined surface 4 has a diameter larger than the short diameter d of the elliptical cutting inclined surface 9, the end cap 1 is swollen more than the handrail 2, but it is actually used. There is no problem above.
The circular inclined surface 4 may have a diameter smaller than the minor axis d of the elliptical cutting inclined surface 9, and is usually 40% or more, preferably 60% or more of the minor axis d. Is good.

  Furthermore, it is preferable that the center O of the circular inclined surface 4 coincides with the axis A1 of the handrail 2. As a result, the handrails 2 and 2 can be continuously connected smoothly and smoothly.

  As shown in FIGS. 1 to 3, the outer shape of the end cap 1 includes a front end surface that is the circular inclined surface 4, a rear end surface provided with a handrail attachment hole 3, and a peripheral surface 10 of the outer shell 1 </ b> A. Furthermore, between the circular inclined surface 4 and the peripheral surface 10, curved surfaces or inclined surfaces 11 and 12 are formed so as to smoothly transition from the circular inclined surface 4 to the peripheral surface 10. Such an end cap 1 can be manufactured by molding various plastic materials, for example, and can also be manufactured from metal materials or wood materials.

  FIG. 7 and FIG. 8 respectively show a state in which the handrails 2 and 2 are connected at right angles and in parallel. As shown in FIGS. 7 and 8, the end caps 1, 1 of the handrails 2, 2 have the circular inclined surfaces 4, 4 which are the front end surfaces thereof facing each other. However, the circular inclined surfaces 4 and 4 may be opposed to each other with a slight gap without completely contacting each other. Such a gap is set to about 1 cm or less in a normal handrail 2 in order not to impair the appearance of the handrail 2 and to ensure safety (for example, prevention of finger padding).

Further, as described above, the end cap 1 can be rotated in the circumferential direction of the handrail 2 during construction in order to freely connect the two handrails 2 and 2. And after completion of construction, it is preferable to fix the end cap 1 to the handrail 2 so as not to rotate. Therefore, for example, as shown in FIG. 1, a screw hole is provided in the rear end peripheral surface 10 of the end cap 1, and a rotation prevention screw 13 (set screw, enamel screw, etc.) is screwed into this to be provided on the rear end surface. A hexagon wrench (not shown) may be engaged with the engagement hole so that the tip of the rotation prevention screw 13 is not easily inserted into the handrail 2. Thereby, rotation of the end cap 1 can be prevented.
In addition, as a rotation prevention means, you may employ | adopt methods, such as roughening the bottom face of the handrail attachment hole 3 of a rear end, or performing the screwing for rotation prevention, for example.

  An example of a specific use state of the end cap 1 is shown in FIGS. That is, in this state of use, the bent portions where the angles of the stairs 112 change are connected using the end cap 1 with the handrails 2 and 2 attached to their ends. In such a usage pattern, the end cap 1 according to the present embodiment can continuously link the handrails 2 and 2 even at the curved portion of the staircase 13, and can be designed without impairing the appearance of the handrail 2. Can be increased.

<Second Embodiment>
FIG. 11 shows a second embodiment (handrail connection structure) according to the present invention. FIG. 6A shows the state before the end caps 100 and 100 are connected by the connecting member 21, and FIG. 9B shows the state after the connection. Since each end cap 100 has basically the same configuration as the end cap 1 according to the first embodiment shown in FIGS. 1 to 10, the same configuration member as the configuration member shown in the first embodiment. Are denoted by the same reference numerals, and description thereof is omitted.
The end cap 100 is formed of a hollow molded product such as a synthetic resin or metal having a handrail mounting hole 3 on the rear end surface, and a first opening 22 is provided on the circular inclined surface 4 on the front surface. As shown in FIG. 11A, the end caps 100, 100 have the inclined surface 4, the peripheral surface 10, and the curved surfaces or inclined surfaces 11, 12 in the first embodiment.

  In the hollow of the end cap 100, an engaging portion 26 having an inclined surface 20 that is substantially parallel to the circular inclined surface 4 and has a second opening 23 smaller than the first opening 22 is formed. . The engaging portion 26 is formed integrally with the screw insertion cylinder 24 located in the center of the hollow. The bottom surface 25 of the engaging portion 26 serves as a stopper when the end surface of the handrail 2 is inserted into the handrail mounting hole 3. In addition, you may provide the reinforcement wall 1B as shown in FIGS.

  The connecting member 21 is made of an elastic member made of rubber or soft plastic (for example, polyethylene, polypropylene, polystyrene, etc.) and has a substantially hat-shaped cross section. As shown in FIG. Has been. Further, as shown in FIG. 12C, the connecting member 21 has a notch 28. This notch 28 is for inserting the handrail mounting screw 7.

  In order to connect the end caps 100, 100 by the connecting member 21 during construction of the handrail, the connecting member 21 is inserted into the end cap 100 from the front opening 22, and the engagement protrusion 27 at the tip is formed into the opening 23. Insert and engage. In this state, the opening edge 29 of the connecting member 21 protrudes from the opening 22 of one end cap 100 (see FIG. 11A). The opening edge portion 29 is engaged with the inner edge portion of the opening 22 of the other end cap 100 to connect both the end caps 100 and 100 (see FIG. 11B). A locking portion 29 a having a large thickness is formed at the end edge of the opening edge portion 29 in order to ensure engagement.

  Thus, at the time of construction of the handrails 2 and 2, both end caps 100 and 100 can be connected at a desired angle, and the handrail can be attached and constructed accurately and quickly.

  When removing the handrails 2 and 2 for applying the wallpaper, for example, as shown in FIG. 13, the handrail 2 is removed from the bracket 111 attached to the wall surface 110, and one handrail 2 is pulled strongly from the other handrail 2. The opening edge part 29 of the connection member 21 comes off from the other end cap 100, and the connection of the handrails 2 and 2 can be released. FIG. 13 shows the vicinity of the corner of the wall.

After attaching the wallpaper, when attaching the handrails 2 and 2 again, the connecting member 21 may be removed and the handrails 2 and 2 may be connected to each other in the same manner as in the first embodiment. At this time, since the positions of the handrails 2 and 2 are determined at the time of the first construction, the handrails 2 and 2 can be accurately connected to each other at the same position as that at the time of the first construction.
Note that the handrails 2 and 2 may be connected again by the connecting member 21 without removing the connecting member 21. Further, instead of removing the handrail 2 from the bracket 111, the handrail 2 and 2 may be removed from the wall surface 110 together with the bracket 111.

<Third Embodiment>
FIG. 14 shows a third embodiment (handrail connection structure) according to the present invention. FIG. 14 shows the connected state of both end caps 101, 101 in this embodiment. Since each end cap 101 has basically the same configuration as the end cap 1 according to the first embodiment shown in FIGS. 1 to 10, the same constituent members as the constituent members shown in the first embodiment. Are denoted by the same reference numerals, and description thereof is omitted.

  Each end cap 101 is a hollow molded product in which the handrail mounting hole 2 is provided in the rear end surface in the same manner as described above, and the opening 30 (hole) is provided in the circular inclined surface 4. A cylindrical portion 32 extending in the direction is formed. A through hole 33 having a diameter smaller than that of the cylindrical portion 32 is formed on the end surface of the cylindrical portion 32 on the side opposite to the opening 30.

  Both end caps 101 and 101 are connected by a connecting member 31 in a state where the circular inclined surfaces 4 and 4 are in contact with each other or close to each other. The connecting member 31 includes a barrel portion 31a inserted over the cylindrical portions 32, 32 of both end caps 101, 101, and formed at both ends of the barrel portion 31a and protrudes from the cylindrical portion 32 to form a cylindrical shape. Heads 31b and 31b that are engaged with the end face of the portion 32 are formed integrally. The trunk portion 31 a needs to have a larger diameter than the through hole 33 so as not to fall into the end cap 101 from the cylindrical portion 32. The heads 31b and 31b have a maximum diameter that is larger than the outer diameter of the body 31a.

As shown in FIG. 13A, at the central portion of the body 31a of the connecting member 31, the body 31a is separated into two at a position where the inclined surfaces 4 and 4 are in contact with or close to each other. A separation part 34 is provided. Specifically, the separation part 34 is a part where the thickness of the body part 31a is reduced. For this reason, when an external force is applied to the connecting member 31, as shown in FIG. 13B, the body portion 31 a is folded at the separating portion 34 and separated into two.
The connecting member 31 can be made using, for example, a wood material, various plastic materials, a metal material, or the like, but is not limited thereto.

In order to connect both end caps 101, 101 at the time of handrail construction, the body portion 31 a of the connecting member 31 is inserted into the cylindrical portion 32 of one end cap 101, and the head is inserted from the through hole 33 at the rear end of the cylindrical portion 32. The portion 31 b is protruded and locked to the outer peripheral edge of the through hole 33. In this state, the inclined surfaces 4 and 4 of both end caps 101 are brought into contact with each other or close to each other as shown in FIG. 14 and project halfway from the inclined surface 4 of one end cap 101 at a desired angle. The body portion 31 a of 31 is inserted into the cylindrical portion 32 of the other end cap 101, the head portion 31 b protrudes from the tip of the cylindrical portion 32, and is locked to the outer peripheral edge portion of the through hole 33.
As a result, the body portion 31a of the connecting member 31 is inserted and accommodated across the cylindrical portions 32, 32 of both end caps, and the head portions 31b, 31b at both ends are locked to the rear end surfaces of the cylindrical portions. The end caps 101 and 101 can be connected at a desired angle.

When removing the handrail for wallpaper application, an external force is applied to the separating portion 34 of the connecting member 31 by bending or twisting the handrails 2 and 2 from the state shown in FIG. Thereby, as shown in FIG.15 (b), it breaks by the isolation | separation part 34, the connection member 31 is isolate | separated into two, and the handrails 2 and 2 can be removed from a wall surface. Then, after the wallpaper is pasted, both end caps 101 and 101 may be connected in the same manner as in the first embodiment. At this time, since the attachment positions of the handrails 2 and 2 are determined at the time of the first construction, the end caps can be connected accurately and easily.
The connecting member 31 may not have the separation portion 34.

<Fourth Embodiment>
FIG. 16 and FIG. 17 show a fourth embodiment (handrail connection structure) according to the present invention. Since each end cap 101 in this embodiment has basically the same configuration as the end cap 101 according to the third embodiment shown in FIG. 14 except for the connecting member 41, it is shown in the third embodiment. The same reference numerals are given to the same components as those described above, and the description thereof will be omitted.

  As shown in FIG. 17, the connecting member 41 used in this embodiment is made of an elastic member such as rubber having ring portions 41a and 41a (locking portions) formed at both ends. A thick body portion 41b having a size larger than that of the through hole 33 of the cylindrical portion 32 is formed on at least a part of the body portion. The body portion including the thick body portion 41 b can be accommodated in both cylindrical portions 32.

In order to connect both end caps 101 and 101 at the time of handrail construction, as shown in FIG. 16 (a), the thick body portion 41b of the connecting member 41 is inserted into the cylindrical portion 32 of one end cap 101, and the tube The ring portion 41 a is pulled out from the through hole 33 at the rear end of the shape portion 42, and the ring portion 41 a is inserted and locked into the cylindrical columnar portion 42 in one end cap 101. Similarly, with respect to the other end cap 101, the other ring portion 41 a of the connecting member 41 is pulled out and is inserted and locked into the cylindrical columnar portion 42 in the other end cap 101. In this way, both end caps 101, 101 are connected at a desired angle. Since the connecting member 41 is made of an elastic member that can be expanded and contracted, the inclined surfaces 4 and 4 of the end caps 101 and 101 after connection are in contact with each other as shown in FIG.
In this state, the handrails 2 and 2 are attached to the end caps 101 and 101, and the handrails 2 and 2 are fixed to a predetermined wall surface via a blanket. The cylindrical columnar portion 42 also serves as a stopper when attaching the handrails 2 and 2.

  When removing the handrail for wallpaper pasting, if the removed handrails 2 and 2 are separated by a small distance, the connecting member 41 made of an elastic member that can be expanded and contracted extends. Therefore, the end caps 101 and 101 can be disconnected by inserting a blade (not shown) between the inclined surfaces 4 and 4 and cutting the extended connecting member 41. Then, after the wallpaper is pasted, both end caps 101 and 101 may be connected in the same manner as in the first embodiment. At this time, since the attachment positions of the handrails 2 and 2 are determined at the time of the first construction, the end caps can be connected accurately and easily.

  In this embodiment, the same end cap 101 as shown in FIG. 14 is used. However, the cylindrical portion 32 in the end cap 101 is omitted, and the connecting member 41 is simply connected between the cylindrical columnar portions 42 and 42. The same effect can be obtained even if it is bridged.

<Fifth Embodiment>
A fifth embodiment (handrail connection structure) according to the present invention is shown in FIGS. FIG. 18 (a) shows a state before or after the end caps 102 and 103 are connected in this embodiment, and FIG. 18 (b) shows a connected state. Each of the end caps 102 and 103 basically has substantially the same configuration as the end cap 1 according to the first embodiment shown in FIGS. 1 to 10, and is therefore the same as the constituent members shown in the first embodiment. Constituent members are assigned the same reference numerals, and descriptions thereof are omitted.

  The end caps 102 and 103 according to this embodiment are both hollow molded products having handrail mounting holes 3 on the rear end surface, and are the same in that they have a circular inclined surface 4 on the front surface. However, one end cap 102 is different in that an opening 52 is provided on the circular inclined surface 4 and an engagement protrusion 51 is provided on the circular inclined surface 4 in the other end cap 103. The engagement protrusion 51 is configured to be detachably engaged with the inner edge portion of the opening 52.

  Therefore, in order to connect both end caps 102 and 103 at the time of handrail construction, as shown in FIG. 18 (a), the engagement protrusion of the other end cap 103 is formed at a desired angle in the opening 52 of one end cap 102. 51 is inserted and detachably engaged with the inner edge of the opening 52. Thereby, both end caps 102 and 103 can be connected.

  Next, when removing the handrail for pasting the wallpaper, the engagement protrusion 51 may be detached from the opening 52 by pulling both end caps 102 and 103 in opposite directions. A cylindrical columnar portion 53 is provided inside the end caps 102 and 103 as a stopper when the handrails 2 and 2 are attached. Then, after the wallpaper is pasted, both end caps 101 and 101 may be connected in the same manner as in the first embodiment. At this time, since the attachment positions of the handrails 2 and 2 are determined at the time of the first construction, the end caps can be connected accurately and easily.

<Sixth Embodiment>
A sixth embodiment (handrail connection structure) according to the present invention is shown in FIGS. FIG. 19A shows a state before or after the connection of the two end caps 113, 113 in this embodiment, and FIG. 18B shows a connected state. Each of the end caps 113 and 113 has basically the same configuration as that of the end cap 1 according to the first embodiment shown in FIGS. 1 to 10, and is therefore the same as the constituent members shown in the first embodiment. Constituent members are assigned the same reference numerals, and descriptions thereof are omitted.

  Each end cap 113, 113 is formed of a solid body made of a wood material, a plastic material, a metal material, and the like, has a handrail mounting hole 3 for fitting the handrail 2 on the rear end surface, and the front end surface is a shaft of the handrail 2. The circular inclined surface 4 is inclined with respect to the heart. The handrail 2 is fixed with an adhesive while being fitted in the handrail mounting hole 3, but may be screwed.

The both end caps 113, 113 are each formed with a recess 61 orthogonal to the circular inclined surface 4, and the circular inclined surfaces 4 of the both end caps 113, 113 are in contact with or in close proximity to each other at a desired angle. Both ends of the dowels 62 (connection members) are fitted into the respective recesses 61 to connect both end caps 113 and 113. The recess 61 is preferably formed at the center of the circular inclined surface 4.
When removing the handrail, the dowels 62 may be detached from the recess 61 by pulling the end caps 113, 113 in opposite directions. The dowel 62 is made of a wood material, a plastic material, a metal material, or the like.
In this embodiment, there is an advantage that the rotation of the handrail 2 can be prevented when the circular inclined surfaces 4 and 4 are in contact with each other in a connected state of both end caps 113 and 113.
In place of the dowel 62, a convex portion is projected from the center of the circular inclined surface 4 of one end cap of the two end caps, and the convex portion is formed at the center of the circular inclined surface 4 of the other end cap. You may provide the recessed part to fit.

<Seventh Embodiment>
A seventh embodiment (handrail connection structure) according to the present invention is shown in FIGS. 20 (a) to 20 (c) show a connecting method of the two end caps 114, 114 in this embodiment, and FIG. 21 shows a connected state. Each of the end caps 114 and 114 basically has the same configuration as the end cap 1 according to the first embodiment shown in FIGS. 1 to 10, and therefore is the same as the constituent members shown in the first embodiment. Constituent members are assigned the same reference numerals, and descriptions thereof are omitted.

  That is, each end cap 114, 114 includes an outer shell portion 1A, a bottomed cylindrical portion 1B, and a reinforcing wall 1C, similarly to the end cap 1 according to the first embodiment shown in FIGS. . In this embodiment, a concave portion 63 perpendicular to the inclined surface 4 is formed on the circular inclined surface 4 as in the above-described embodiment. The handrail 2 is fitted into the handrail mounting hole 3 and fixed by screws 7.

  As shown in FIGS. 20 (a) to 20 (c), in order to connect both end caps 114, 114, the respective circular inclined surfaces 4, 4 are brought into contact with or in close proximity to each recess 63. Both ends of the dowel 64 (connecting member) are fitted, and both end caps 114 and 114 are connected at a desired angle (see FIG. 21). On the other hand, when removing the handrail, the dowels 62 may be detached from the recesses 61 by pulling both end caps 113 and 113 in opposite directions.

  In this embodiment, since the handrail 2 is only inserted into the handrail mounting hole 3 of the end cap 114 and is fixed by the screw 7, the end cap 114 can be freely rotated according to the mounting angle of the handrail 2. Can do. However, when both the end caps 114 and 114 are connected, when the circular inclined surfaces 4 and 4 are in contact with each other, the end caps 114 and 114 cannot be rotated with each other, so that the handrail 2 can be prevented from rotating. There is.

<Eighth Embodiment>
An eighth embodiment (handrail connection structure) according to the present invention is shown in FIGS. 22A and 22B show two end caps 115 and 116 in this embodiment, and FIG. 23 shows a side view and a perspective view of one end cap 115. FIG. 24 shows a side view and a perspective view of the other end cap 116. Each of the end caps 115 and 116 has basically the same configuration as the end cap 1 according to the first embodiment shown in FIGS. 1 to 10, and is therefore the same as the constituent members shown in the first embodiment. Constituent members are assigned the same reference numerals, and descriptions thereof are omitted.

  That is, each end cap 115, 116 includes an outer shell portion 1A, a bottomed cylindrical portion 1B, and a reinforcing wall 1C, similarly to the end cap 1 according to the first embodiment shown in FIGS. . In this embodiment, as shown in FIGS. 22A and 23, an opening 65 is formed in the circular inclined surface 4 of one end cap 115. Further, the circular inclined surface 4 of the other end cap 116 is formed with an annular protrusion 66 (engagement protrusion) protruding perpendicularly from the inclined surface 4.

The protrusion 66 has a locking claw 67 formed on the outer wall surface. Therefore, when the inclined surfaces 4 of the end caps 115 and 116 are brought into contact with each other at a desired angle or are brought close to each other, the claw portion 67 is locked to the protrusion 68 on the inner wall surface of the opening 65, and the end caps 115 and 116 are in contact with each other. Can be connected. In this state, the handrail is prevented from rotating as described above.
On the other hand, when removing the handrail 2, the end caps 113, 113 may be pulled in opposite directions and the protrusion 66 may be detached from the opening 65. However, it is also possible to increase the size of the locking claw portion 67 so as to be firmly locked to the protrusion 68 on the inner wall surface of the opening 65 so that the end caps 113 and 113 are not detached.

<Ninth Embodiment>
A ninth embodiment (handrail connection structure) according to the present invention is shown in FIGS. FIG. 25 shows a method of connecting the handrails 2 and 2 using the two end caps 117 and 118 according to this embodiment, and FIG. 26 shows (a) a side view and (b) a perspective view of one end cap 117. (C) The partially broken front view, (d) Side sectional view, (e) The bottom view is shown. FIG. 27 shows (a) a side view, (b) a perspective view, (c) a sectional view taken along line AA, (d) a sectional view taken along line BB, and (e) a bottom view of the other end cap 118. . Each of the end caps 117 and 118 has basically the same configuration as the end cap 1 according to the first embodiment shown in FIGS. 1 to 10, and is therefore the same as the constituent members shown in the first embodiment. Constituent members are assigned the same reference numerals, and descriptions thereof are omitted.

  That is, each end cap 117, 118 includes an outer shell portion 1A, a bottomed cylindrical portion 1B, and a reinforcing wall 1C, similarly to the end cap 1 according to the first embodiment shown in FIGS. . As shown in FIG. 26, a pair of engaging protrusions 70 and 70 are provided on both sides of the circular inclined surface 4 of one end cap 117 with the opening 71 of the bottomed cylindrical portion 1B in the center. It is installed. The engaging projection 70 is bent at an upper end substantially parallel to the circular inclined surface 4.

  In the circular inclined surface 4 of the other end cap 118, as shown in FIG. 27, the insertion holes 72 and 72 for inserting the engaging protrusions 70 and the circular inclined surface 4 from each insertion port 72 are inserted. An arcuate slide groove 73 extending concentrically is formed. The insertion openings 72 are formed on both sides of the opening 71 of the bottomed cylindrical portion 1B so as to correspond to the engagement protrusions 70 in one end cap 117. The arcuate slide groove 73 is formed so as to connect both the insertion ports 72, 72, and has a width that prevents the engagement protrusion 70 from being locked and detached. In addition, the slide groove 73 should just be length required for the angle adjustment of the handrails 2 and 2 at least.

  When the handrails 2 and 2 are connected, as shown in FIG. 25, the circular inclined surfaces 4 and 4 of both end caps 117 and 118 to which the handrail 2 is attached are brought into contact with each other or close to each other to engage with each other. The protrusion 70 is inserted into the end cap 118 from the insertion port 72. Then, when both end caps 117 and 118 are rotated to adjust the mounting angle of the two handrails 2 and 2, the engaging projection 70 slides along the arcuate slide groove 73 in conjunction with this, It is configured to engage with the slide groove 73 at a predetermined position.

When separating the handrails 2 and 2, the engagement protrusion 70 may be slid in the opposite direction and the engagement protrusion 70 may be removed from the insertion port 72.
The attachment of the handrail 2 to the end caps 117 and 118 includes not only a method of screwing a screw (not shown) inserted into the passage in the bottomed cylindrical portion 1B into the handrail 2 from the hole 6, but also the end cap 117, A screw 75 may be screwed through a screw insertion hole 74 provided on the side surface of 118.

In this embodiment and the modifications shown below, other preferable handrail connection methods are as follows.
(A) One end cap 117 is attached to the front end surface of the handrail 2. For attachment, a screw (not shown) is inserted into the bottomed tube portion 1B from the opening 71 at the center of the circular inclined surface 4, and the screw portion inserted through the screw insertion hole 6 at the bottom portion is used as the tip surface of the handrail 2. And the handrail 2 is fixed in the handrail mounting hole 3.
(B) The other end cap 118 is attached to the one end cap 117 by inserting the engaging protrusion 70 into the insertion port 72 as described above. At this time, both end caps 117 and 118 are attached in a linear direction.
(C) The both end caps 117 and 118 are rotated to adjust to a predetermined fitting angle. At this time, the handrail 2 is attached to one end cap 117, but the end cap 117 is rotatable with respect to the handrail 2.
(D) After the angle adjustment is completed, the tip end portion of the handrail 2 is fitted into the handrail mounting hole 3 at the rear end of the other end cap 118, and the screw 75 is screwed through the screw insertion hole 74 on the side surface of the end cap.
Thereby, the installation work of a handrail becomes easy and workability improves.

A modification of this embodiment is shown in FIGS. FIG. 28 shows (a) a side view, (b) a perspective view, (c) a partially broken front view, (d) a side sectional view, and (e) a bottom view of one end cap 117 'in this modification. . 29 shows (a) a side view, (b) a perspective view, (c) a cross-sectional view along line AA, (d) a cross-sectional view along line BB, and (e) a bottom view of the other end cap 118 '. Yes.
That is, in the above embodiment, the pair of engaging projections 70 and 70 are erected on both sides of the opening 71 of the bottomed cylindrical portion 1B at the center of one circular inclined surface 4 (FIG. 26). The engaging insertion ports 72, 72 are respectively formed on both sides sandwiching the opening 71 of the other bottomed cylindrical portion 1B (FIG. 27). In this modification, a pair of engaging projections 70 ', 70' and The insertion ports 72 ′ and 72 ′ are arranged at an angle α smaller than 180 ° with respect to the center of the circular inclined surface 4. The angle α is preferably 178 ° or less, and is preferably 178 to 90 °.
Thereby, both end caps 117 ′ and 118 ′ can be attached and detached only when the handrails 2 and 2 connected to the rear end portions thereof are in a straight line, and the handrails 2 and 2 are in a straight line. If not, attachment and removal cannot be performed, and safety is further enhanced. Others are the same as those in the above embodiment, so the same reference numerals are given and the description is omitted.

<Tenth Embodiment>
A tenth embodiment (handrail connection structure) according to the present invention is shown in FIGS. FIG. 30 shows (a) a side view, (b) a perspective view, and (c) a partially broken front view of one end cap 119 according to this embodiment. FIG. 31 shows a connected state of the two end caps 119 and 120.

The one end cap 119 is provided with a pair of engaging projections 76 and 76 with the opening 71 interposed therebetween, like the end cap 117 in the above-described embodiment. The engagement protrusion 76 has a claw-shaped tip (see FIG. 30C).
As shown in FIG. 30, the circular inclined surface 4 of the other end cap 120 is formed with an arcuate slide groove 77 that engages with the claw-shaped engagement protrusion 76. The slide groove 77 extends concentrically with the circular inclined surface 4, and is formed with the entire circumference of the circular inclined surface 4 or with a length necessary for adjusting the angle of at least the handrails 2 and 2.

Therefore, when connecting handrails, as shown in FIG. 31, the circular inclined surfaces 4 and 4 of both end caps 119 and 120 to which the handrails are attached are brought into contact with each other at a desired angle or closely opposed to each other. The engaging protrusion 76 is press-fitted into the slide groove 77. Thereby, the claw provided at the tip of the engagement protrusion 76 is engaged with the inner edge portion of the slide groove 77 to complete the connection of the handrail. In this embodiment, the engagement protrusion 76 cannot be removed from the slide groove 77.
Others have substantially the same configuration as the end cap 1 according to the first embodiment shown in FIGS.

  An eleventh embodiment according to the present invention is shown in FIGS. FIG. 32 shows the attachment structure of the handrail to the end cap according to this embodiment, and FIG. 33 is a process diagram showing the attachment procedure of the handrail 2 to the end cap 121 in this embodiment.

As shown in FIG. 32, the handrail mounting structure according to this embodiment includes an end cap body 80 having one of the two end caps 121 and 122, the end cap 121 having the circular inclined surface 4 at the tip. A handrail mounting portion 81 that is disposed on the rear end surface of the end cap body 80 and has the handrail 2 attached to the rear end surface, and an outer periphery of the handrail mounting portion 81 that extends from the outer peripheral surface of the handrail mounting portion 81 to the outer peripheral surface of the handrail 4. A cylindrical connecting portion 82 that is configured to be movable from the surface toward the end cap body 80 and that connects the end cap body 80 and the handrail mounting portion 81 is provided.
For the other end cap 122, the end caps described above can be used, and the handrail 2 is fixed by a screw 88. However, a member having the same structure as the one end cap 121 may be used.

As shown in FIG. 33, the handrail attachment portion 81 is configured in a cup shape in cross section, and a screw insertion hole 84 through which the handrail fixing screw 83 is inserted is formed on the bottom surface. The cylindrical connecting portion 82 includes a handrail fitting hole 82a and a fitting hole 82b of the handrail mounting portion 81, and an opening 85 into which the bottom portion of the handrail mounting portion 81 is fitted is formed at a boundary portion thereof.
Further, the handrail attachment portion insertion hole 82b has an outer diameter smaller than that of the handrail insertion hole 82a, and a male screw portion 86 is formed on the outer peripheral surface thereof. And the handrail attaching part 81 is fixed to the end surface of the handrail 2 with the screw 83 in the state in which the bottom part was inserted in the opening 85 of the cylindrical connection part 82.

On the other hand, a female thread portion 87 is formed on the rear end surface of the end cap body 80, and the male thread portion 86 is screwed into the female thread portion 87 to complete the attachment of the handrail 2. The end cap 121 to which the handrail 2 is attached in this manner does not increase in outer diameter and is almost indistinguishable in appearance compared to the other end caps 122, so that the appearance is not impaired.
Further, when removing the handrail 2, it is only necessary to retreat the male screw portion 86 from the female screw portion 87 to release the screwing, so that the handrail 2 can be taken out in a direction orthogonal to the axial direction of the handrail 2. There is no need to release the connection between the end caps 121 and 122.

  In the end caps 121 and 122 in this embodiment, openings are provided in the circular inclined surfaces 4 and 4 in both end caps, and both end caps are integrated at a predetermined angle by a connecting member 89 through these openings. It is connected and fixed to.

As the connecting member 89, various means can be adopted as long as they can be integrally connected and fixed. For example, a retaining ring for locking a pin inserted from one end cap with the other end cap, Examples include caulking and screwing of nuts to bolts. A connecting member 89 shown in FIGS. 32 and 33 is obtained by locking a pin with a retaining ring.
Others are the same as those in the above-described embodiment, particularly the first embodiment, and detailed description thereof is omitted.

  A twelfth embodiment according to the present invention is shown in FIGS. FIG. 34 shows a procedure for attaching the handrail 2 to one end cap 123 according to this embodiment, and FIG. 35 shows a procedure for removing the handrail 2 from the end cap 123.

  The end cap 123 is fitted on the end cap body 90 having the circular inclined surface at the front end and the outward flange portion 91 at the rear end, and the outer peripheral surface of the rear end portion of the end cap main body 90, respectively. It has a pair of handrail attachment portions 92 and 93 having a cylindrical cross section that accommodates the tip of the handrail 2 and having a substantially semicircular cross section.

  Of the pair of substantially semicircular connection portions 92, 93, one connection portion 92 is provided with a locking portion 94 made of a bulge formed on the concave surface thereof and locked to the flange portion 91. The other connection portion 93 is connected to the one connection portion 92 so as to be movable toward the handrail. That is, L-shaped rising pieces 95 and 95 are erected on both ends of one connection portion 92, and guides on which the rising pieces 95 and 95 are slidably engaged with the inner surfaces of both ends of the other connection portion 93. Grooves 96, 96 are formed. The other connection portion 93 is provided with a screw insertion hole 98 through which a handrail mounting screw is inserted.

  When the handrail 2 is attached, as shown in FIG. 34, a pair of handrail attachment portions 92, 93 are arranged on the outer peripheral surface of the rear end portion of the end cap body 90, and the recess formed by the handrail attachment portions 92, 93. 99, the handrail 2 is inserted into the end of the handrail 2 until it comes into contact with the engaging portion 94 (projection), and the screw 130 is screwed to fix the handrail 2.

On the other hand, when removing the handrail 2, as shown in FIG. 35, the screw 130 is removed, and the handrail mounting portion 93 is slid toward the handrail 2 to be removed from the handrail mounting portion 92. Thereby, the handrail 2 can be easily removed in a direction orthogonal to the axial direction of the handrail 2.
Others are the same as those in the above-described embodiment, particularly the first embodiment, and detailed description thereof is omitted.

  A thirteenth embodiment according to the present invention is shown in FIGS. FIG. 36 and FIG. 37 show different forms in this embodiment.

  That is, the end cap in this embodiment is, as shown in FIGS. 36 and 37, an end cap body 131 having a circular inclined surface 4 at the tip, and an outer peripheral surface of the handrail 2 that is externally mounted on the outer peripheral surface of the handrail 2. It is configured to be movable toward the end cap main body 131 (indicated by an arrow M), and includes cylindrical connection portions 132 and 133 that connect the end cap main body 131 and the handrail 2. In this embodiment, it is sufficient that at least one of the two end caps has the above-described form.

  In order to connect the end cap body 131 and the handrail 2, first, the front end surface of the handrail 2 is brought into contact with the rear end surface of the end cap body 131. Subsequently, the connection parts 132 and 133 are moved to the end cap main body 131 side. 36, in this state, the end cap body 131 and the handrail 2 are connected by screwing the screw 134 through the screw insertion hole 133 provided in the connection portion 132.

  In the form of FIG. 37, a male screw part 135 is formed on the outer peripheral surface of the rear end of the main cap 131, and a female screw part 136 is formed on the inner peripheral surface of the tip of the connection part 133. Therefore, the end cap body 131 and the handrail 2 are connected by moving the connecting portion 133 to the end cap body 131 side while screwing the female thread portion 136 into the male thread portion 135.

In any form, since the cylindrical connection portions 132 and 133 are arranged across the end cap body 131 and the handrail 2, the handrail 2 is not accidentally detached, and the outer diameter is not increased. Appearance is also good. Moreover, when removing the handrail 2, the connection parts 132 and 133 can be slid to the handrail 2 side, and the handrail 2 can be removed in the direction (arrow N direction) orthogonal to the axial direction of this handrail 2.
Others are the same as those in the above-described embodiment, particularly the first embodiment, and detailed description thereof is omitted.

  As mentioned above, although preferable embodiment of this invention was described, this invention is not limited to the above embodiment, A various improvement and change are possible within the range described in the claim. For example, in the first embodiment of the present invention, the fixing of the end cap to the handrail is not limited to the fixing method as described above, and the rear portion of the end cap 1 is lengthened and screwed to the rear portion. A screw insertion hole (not shown) may be provided and the end cap 1 may be screwed and fixed to the handrail from the side. Alternatively, the end of the handrail may be attached to the handrail mounting hole without providing the screw insertion hole. You may make it fix an end cap with an adhesive agent in the inserted state.

It is sectional drawing which shows the end cap which concerns on the 1st Embodiment of this invention, and the top view of the circular inclined surface in the said end cap is also shown in figure. It is the top view (figure seen from the arrow A direction of FIG. 1). It is the side view (figure seen from the arrow B direction of FIG. 1). It is YY sectional drawing of FIG. It is a rear view of the end cap shown in FIG. It is explanatory drawing for demonstrating the diameter of the circular inclined surface in an end cap, and the top view of the elliptical inclined cut surface is also shown in figure. It is a side view which shows an example of the connection state to the perpendicular direction of a handrail. It is a side view which shows an example of the parallel connection state of a handrail. It is a top view which shows an example of the attachment state of the handrail to the stairs. It is a side view which shows an example of the attachment state of the handrail to the stairs. (A) is sectional drawing which shows the state before the connection of the handrail which concerns on the 2nd Embodiment of this invention, (b) is sectional drawing which shows the connection state of (a). (A) is sectional drawing which shows the connection member of FIG. 11, (b) is a side view, (c) is a top view. It is explanatory drawing for demonstrating attachment and removal of the handrail to a wall surface. It is sectional drawing which shows the connection state of the handrail which concerns on the 3rd Embodiment of this invention. (A) is a side view which shows the connection member used in FIG. 14, (b) is a side view which shows the state from which the connection member was isolate | separated. (A) is sectional drawing in the state which extended the connection member in the connection state of the handrail which concerns on the 4th Embodiment of this invention, (b) is sectional drawing which shows a connection state. It is a top view which shows the connection member used in FIG. (A) is sectional drawing which shows the state before the connection of the handrail which concerns on the 5th Embodiment of this invention, (b) is sectional drawing which shows a connection state. (A) is sectional drawing which shows the state before the connection of the handrail which concerns on the 6th Embodiment of this invention, (b) is sectional drawing which shows a connection state. It is explanatory drawing which shows the connection method of the handrail which concerns on the 7th Embodiment of this invention. It is sectional drawing which shows the connection state of the handrail which concerns on 7th Embodiment. (A) is sectional drawing of one end cap based on the 8th Embodiment of this invention, (b) is sectional drawing of the other end cap. It is the side view and perspective view of one end cap which concern on 8th Embodiment. It is the side view and perspective view of the other end cap concerning an 8th embodiment. It is explanatory drawing which shows the connection method of the handrails 2 and 2 using the two end caps concerning 9th Embodiment. It is (a) side view, (b) perspective view, (c) partially broken front view, (d) side sectional view, and (e) bottom view of one end cap according to the ninth embodiment. (A) side view, (b) perspective view, (c) AA line sectional view, (d) BB line sectional view, (e) bottom view of the other end cap according to the ninth embodiment is there. It is (a) side view, (b) perspective view, (c) partially broken front view, (d) side sectional view, and (e) bottom view of one end cap according to a modification of the ninth embodiment. . (A) side view, (b) perspective view, (c) AA line sectional view, (d) BB line sectional view, (e) of the other end cap according to a modification of the ninth embodiment FIG. It is the (a) side view, (b) perspective view, and (c) partial fracture front view of one end cap concerning a 10th embodiment. It is explanatory drawing which shows the connection state of the two end caps which concern on 10th Embodiment. It is sectional drawing which shows the connection state of the two end caps which concern on 11th Embodiment. It is process drawing which shows the attachment procedure of the handrail to the end cap in 11th Embodiment. FIG. 34 is a process drawing showing a procedure for attaching a handrail to one end cap according to a twelfth embodiment. It is process drawing which shows the procedure which removes the handrail 2 from one end cap which concerns on 12th Embodiment. It is a side view which shows the attachment structure of the handrail to one end cap which concerns on 13th Embodiment. It is a side view which shows the other attachment structure of the handrail to one end cap which concerns on 13th Embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... End cap, 2 ... Handrail, 3 ... Handrail attachment hole, 4 ... Circular inclined surface, 5 ... Passage, 6 ... Hole, 7 ... Screw, 10 ..Surrounding surface, 11, 12 ... curved surface or inclined surface, 13 ... staircase, 21, 31, 41 ... connecting member, 51 ... engagement protrusion 51, 52 ... opening

Claims (3)

A pair of end caps attached to the ends of each handrail to connect the two handrails at a predetermined angle;
Each end cap has a circular inclined surface in which the end of the handrail is attached to the rear end surface, and the front end surfaces that are in contact with or in close proximity to each other are inclined with respect to the axis of the handrail,
The circular inclined surface has a diameter equal to or smaller than the minor axis of the elliptical cutting inclined surface when a round bar having the same diameter as the end cap is cut at a predetermined inclination angle with respect to the axis. And the center is coincident with the axis of the handrail,
A pair of engaging projections are erected on the circular inclined surface of one end cap, and a pair of insertion openings for inserting the pair of engaging protrusions on the circular inclined surface of the other end cap. And an arcuate slide groove extending concentrically with the circular inclined surface from the insertion port ,
The pair of engaging protrusions and the pair of insertion openings are arranged at an angle of 180 ° to 90 ° with respect to the center of the circular inclined surface,
The engaging protrusion is inserted into the other end cap from the insertion port, slides along the arc-shaped slide groove in conjunction with the angle adjustment of the two handrails, and engages with the slide groove at a predetermined position. An end cap of a handrail characterized by being configured to. A passage for inserting a handrail attachment screw in the same direction as the handrail from the circular inclined surface is formed, and a hole through which the handrail attachment screw is inserted is formed at the bottom of the passage,
The screw inserted into the passage from the circular inclined surface has a head locked to the peripheral edge of the hole at the bottom of the passage, and the threaded portion is inserted into the end surface of the handrail through the hole. The end cap according to 1 .   The end cap according to claim 1 or 2, wherein the engaging protrusion is a substantially L-shaped or claw-shaped protrusion whose tip is bent substantially parallel to the circular inclined surface.

Images