JP3629608B2 - Communication equipment housing - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a communication device housing that houses a communication device such as a relay amplifier.
[0002]
[Prior art]
A conventional communication device casing is configured as shown in FIGS. 10A is a front view of a conventional communication device casing, FIG. 10B is a bottom view, FIG. 11A is a side view, and FIG. 10B is a side view showing a state in which a lid is opened. It is.
[0003]
10 and 11, reference numeral 1 denotes a box-shaped case body, and 2 denotes a lid that covers the opening of the case body 1. The case body 1 is provided with a total of four hinge shaft bearings 3, two on the upper side and the lower side on the opening side, and the hinge shaft 4 is mounted on the hinge shaft bearing 3. Bolts 5 are screwed into the hinge shafts 4 respectively.
[0004]
On the other hand, the lid 2 is provided with a mounting base 6 projecting laterally at a position corresponding to each of the hinge shaft bearings 3, and a bolt hole 7 for inserting a bolt 5 into the mounting base 6. Provided. In this case, the upper or lower mounting base 6, in this example, the upper mounting base 6, is provided with a notch 8 that reaches the bolt hole 7, and the bolt 5 extends from the notch 8 to the bolt hole 7. It can be inserted and removed.
[0005]
A suspension part 9 is attached to the upper part of the case body 1 with bolts 10. The suspension component 9 is a component for suspending the communication device casing on a messenger wire or the like.
[0006]
In the above configuration, when the lid 2 is first attached to the case main body 1, the lid 2 is positioned at the opening of the case main body 1, and the mounting base 6 provided at four locations of the lid 2 via the bolt holes 7. Then, the bolt 5 is inserted and screwed into the hinge shaft 4. Then, the lid 2 is fixed to the case body 1 by tightening the bolt 5.
[0007]
When the lid 2 is opened, the four bolts 5 attached to the mounting base 6 are loosened, and the heads of the bolts 5 located on the upper side of the lid 2 are moved by the hinge shaft 4 as shown in FIG. Rotate upward. At this time, the bolt 5 can be rotated upward via the notch 8 and removed from the bolt hole 7 upward. On the other hand, since the bolt 5 attached to the attachment base 6 at the lower part of the lid 2 is in a state of being coupled to the hinge shaft 4, when the upper side of the lid 2 is opened as shown in FIG. The hinge shaft 4 located on the lower side is rotated as an axis. As described above, the lid 2 can be opened with the lower side of the lid 2 coupled to the case body 1 by the bolt 5 and the hinge shaft 4.
[0008]
Moreover, since the said communication apparatus housing | casing has the same shape as the bearing part provided in four places of the case main body 1, the upper and lower sides of the lid 2 are reversed, that is, when the lid 2 is rotated 180 ° on the same surface. Is also possible. That is, it is possible to attach the communication device housing in an arbitrary state depending on the conditions of the place where the communication device housing is installed.
[0009]
[Problems to be solved by the invention]
However, the conventional communication device casing requires a hinge shaft 4 in addition to the bolt 5 that fixes the case main body 1 and the lid 2. In particular, the hinge shaft 4 is coupled to the side surface of the cylindrical part with the bolt 5. Since the internal thread is formed, processing is difficult and expensive.
In addition, since there is no horizontal displacement prevention mechanism at the joint between the case main body 1 and the lid 2, the case main body 1 and the lid 2 slide by the play of the bolt hole 7 during the bolt tightening operation, and imaginary anxiety occurs. To do.
[0010]
The present invention has been made to solve the above-mentioned problems, and it is possible to reduce the cost by reducing the hinge shaft parts, and to prevent the shift when the case body and the lid are tightened with the bolt, and the lid It is an object of the present invention to provide a communication device casing that can improve the working efficiency when reversing.
[0011]
[Means for Solving the Problems]
(First invention)
A communication device housing according to the present invention protrudes laterally from a case main body having one surface opened, a lid that covers the opening of the case main body, and open end sides in the vicinity of both side end portions of the case main body. A main body side mounting base provided; a screw hole formed in each main body side mounting base; a lid side mounting base provided corresponding to the main body side mounting base on both sides of the opening end side of the lid; Bolt holes formed in the lid-side mounting base, hinge bearing portions of the same shape provided on both sides of the case body from the body-side mounting base, and the lid on one side of the opening end side of the lid A hinge shaft portion that is provided on the inner side of the side mounting base, is inserted into the bearing hole of the hinge bearing portion, and a locking portion is formed at the tip of the hinge shaft portion. Hinge shaft and hinge in angle open state A mechanism capable of being attached to and detached from the bearing portion, and having a mechanism for preventing the hinge shaft portion and the hinge bearing portion from being attached and detached when the locking portion is locked to the hinge bearing portion except for the predetermined angle. .
[0012]
(Second invention)
A communication device housing according to the present invention protrudes laterally from a case main body having one surface opened, a lid that covers the opening of the case main body, and open end sides in the vicinity of both side end portions of the case main body. A main body side mounting base, screw holes formed in the main body side mounting bases, a suspension part mounting base provided at the center of both side surfaces of the case body, and the suspension part mounting base. A screw hole for suspension parts to be formed, a lid side mounting base provided on both sides of the opening end side of the lid corresponding to the main body side mounting base, a bolt hole formed in each lid side mounting base, A hinge bearing portion having the same shape provided on both sides of the case main body on the inner side from the main body side mounting base, and provided on one side of the opening end side of the lid on the inner side of the lid side mounting base; Inserted into the bearing hole of the hinge bearing part A hinge shaft portion, and a locking portion formed at a tip of the hinge shaft portion, the hinge shaft portion and the hinge bearing portion being attachable / detachable in a state where a lid is opened at a predetermined angle with respect to the case body. Except for an angle, the locking portion is locked to the hinge bearing portion and includes a mechanism for preventing the hinge shaft portion from being attached to and detached from the hinge bearing portion.
[0013]
(Third invention)
The present invention provides the communication device housing according to the second invention, wherein the bolt is attached to the screw hole of the suspension component mounting base on the hinge bearing portion side supporting the hinge shaft portion of the lid, and the lid A locking portion formed so as to contact the head of the bolt when the lid is opened, and an angle when the lid is opened is smaller than a detachable angle of the lid It is configured to be held within an angle.
[0014]
(Fourth invention)
The present invention provides the communication device housing according to the first or second invention, wherein the packing groove is formed along the peripheral edge of the opening end of the case body and the packing for holding airtightness is mounted, and the opening of the lid And a shield wire groove on which a shield wire for electromagnetic shielding formed along the periphery of the end is mounted.
[0015]
(Fifth invention)
According to the present invention, in the communication device housing according to the fourth invention, a step is formed in the outer peripheral portion of the packing groove and the shield wire groove, and the corner portion of the step forming portion is formed in an arc shape. Features.
[0016]
(Sixth invention)
According to the present invention, in the communication device casing according to the fourth invention, the bearing hole of the hinge bearing portion is formed in an oval shape so that the hinge shaft portion can move within the bearing hole, and the packing and the shield wire are It is characterized in that it is configured to absorb changes in dimensions when it is crushed by tightening and dimensions before it is crushed.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is an exploded perspective view of a communication device housing according to an embodiment of the present invention, FIG. 2 is an enlarged view showing a coupling portion between a case main body and a lid, and FIG. FIG. 4 is a perspective view showing an enlarged main part of FIG. 3, and FIG. 5 is a perspective view showing a state in which the lid is opened at an angle smaller than 180 °.
[0018]
In FIG. 1, 21 is a box-shaped case body, and 22 is a lid that covers the opening of the case body 21. The case main body 21 and the lid 22 are integrally formed by, for example, aluminum die casting. The case main body 21 is provided with a total of four case main body side mounting bases 23 projecting from each other in the vicinity of the upper end and the lower end on the opening side. A screw hole 24 that is screwed into a mounting bolt (not shown) is provided at the center of each case body side mounting base 23.
[0019]
On the other hand, the lid 22 is also provided with a lid-side mounting base 25 at a position corresponding to the case body-side mounting base 23 on the upper and lower opening sides when actually installed, and a bolt hole 26 at the center thereof. It is formed. The lid 22 is provided with two cylindrical hinge shaft portions 27 protruding from the lid-side mounting base 25 on the side coupled to the case body 21 as shown in FIG. Further, a locking portion (claw) 28 is formed at the tip of the hinge shaft portion 27. The locking portion 28 is provided so as to protrude further in the same direction as the opening direction of the lid 22. That is, the locking portion 28 is formed in the same direction as the opening direction of the lid 22 more than the diameter of the hinge shaft portion 27, and the other portions are formed in the same diameter as the hinge shaft portion 27.
[0020]
Further, as shown in FIG. 1, the case main body 21 is provided with a suspension component mounting base 31 for mounting a suspension component on the center of the side surface which is the upper side and the lower side when actually installed. A suspension component screw hole 32 is formed at the center. A suspended component (not shown) is fixed to the suspended component mounting base 31 located on the upper side by a bolt.
[0021]
The case main body 21 is provided with a hinge bearing portion 33 at a position corresponding to the hinge shaft portion 27 between the case main body side mounting base 23 and the suspension component mounting base 31. The hinge bearing portion 33 is rotatably coupled to a hinge shaft portion 27 provided on the lid 22. The hinge bearing portion 33 includes a first bearing portion 34 and a second bearing portion 35, and a bearing hole 36 is formed at the center thereof. As shown in FIG. 3, the first bearing portion 34 is opened at the lower side of the bearing hole 36, and the second bearing portion 35 is opened at the upper side of the bearing hole 36 as shown in FIG. The lower side is opened by a predetermined width, that is, a width equal to or larger than the thickness of the locking portion 28 of the hinge shaft portion 27, and a predetermined bearing hole 36 is formed by combining the first bearing portion 34 and the second bearing portion 35. To be. In this case, the bearing hole 36 is formed to be an ellipse in the same direction as the opening direction of the case body 21 in consideration of the expansion of the packing described later.
[0022]
As shown in FIG. 1, the hinge shaft portion 27 of the lid 22 is inserted into the hinge bearing portion 33 of the case body 21 from the first bearing portion 34 side with the lid 22 opened by 180 ° with respect to the case body 21. The locking portion 28 comes into contact with the second bearing portion 35, or in the vicinity thereof, the hinge shaft portion 27 is lifted upward and inserted into the bearing hole 36 of the second bearing portion 35 so that the locking portion 28 is inserted into the second bearing portion. Project from 35. When this state is reached, the lid 22 can be opened and closed as shown in FIG. When the lid 22 is closed from this state, that is, when the angle between the case main body 21 and the lid 22 is smaller than 180 °, the locking portion 28 of the hinge shaft portion 27 is moved to the side surface of the second bearing portion 35 as shown in FIG. The lid 22 cannot be removed. Therefore, the lid 22 can be attached and detached as shown by the arrow a only when the lid 22 is opened 180 ° as shown in FIG.
[0023]
After the lid 22 is attached to the case main body 21 as described above, the bolt 37 is attached to the hanging part mounting base 31 on the coupling side as shown in FIG. On the other hand, a locking portion 38 is formed in advance on the lid 22 so as to contact the head of the bolt 37 when the lid 22 is opened. That is, when the lid 22 is opened, the locking portion 38 comes into contact with the bolt 37 so that the lid 22 is not opened up to 180 °. After attaching the lid 22 to the case body 21 as described above, the lid 22 cannot be opened up to 180 ° after that by attaching the bolt 37 to the base 31 for attaching the hanging parts on the coupling side. It becomes impossible to remove from 21. Therefore, even if the lid 22 is opened during maintenance and inspection, the lid 22 can be prevented from coming off.
[0024]
As shown in FIGS. 1, 7, and 8, a packing groove 41 is formed at the opening end of the case body 21 along the periphery of the front end. In this case, the inner peripheral wall 42 of the packing groove 41 is formed higher than the outer peripheral wall 43 to provide a step. Further, the four corners of the inner peripheral wall 42 are formed in an arc shape as shown in FIGS.
On the other hand, a shield wire groove 45 is formed along the peripheral edge of the edge 44 serving as the opening end of the lid 22. The shield wire groove 45 is provided at a position corresponding to the inner peripheral wall 42 on the case body 21 side. The surface of the edge 44 located on the outer peripheral side from the shield wire groove 45 is provided so as to face the packing groove 41 and the outer peripheral wall 43 of the case body 21. The edge 44 is formed in accordance with the level difference of the portion of the case body 21 where the packing groove 41 is formed, and the inside of the four corners is formed in an arc shape in accordance with the shape of the inner peripheral wall 42 of the packing groove 41. Is done. That is, by forming a step in the formation portion of the packing groove 41 and the shield wire groove 45, the positional relationship between the case body 21 and the lid 22 is restricted when the lid 22 is closed, and a shift is prevented. doing. Further, by forming the four corners of the inner peripheral wall 42 provided in the case main body 21 and the edge 44 portion of the lid 22 corresponding to the four corners of the inner peripheral wall 42 in an arc shape, there is a step between the case main body 21 and the lid 22. Also, the lid 22 can be opened and closed smoothly.
[0025]
As shown in FIGS. 7 and 8, a packing 46 for keeping airtightness is attached to the packing groove 41, and a shield wire 47 for electromagnetic shielding is attached to the shield wire groove 45. FIG. 8A shows a state before the lid 22 is fixed with bolts, and FIG. 8B shows a state where the lid 22 is fixed to the case main body 21 with bolts. Since the bearing hole 36 of the hinge bearing portion 33 is formed in an oval shape as described above, the lid 22 is lifted by the packing 46 before the lid 22 is fixed as shown in FIG. The hinge shaft portion 27 is located on the upper side in the bearing hole 36. When the lid 22 and the case main body 21 are fixed with bolts at the portions of the lid-side mounting base 25 and the body-side mounting base 23, the packing 46 and the shield wire 47 are crushed as shown in FIG. The hinge shaft 27 is in contact with the case main body 21 and is located on the lower side in the bearing hole 36.
By forming the bearing hole 36 in an oval shape as described above, the lid 22 can be opened and closed smoothly.
[0026]
When the lid 22 is fixed to the case main body 21, bolts (not shown) are inserted into the bolt holes 26 of the lid-side mounting base 25 provided at four positions of the lid 22, and the screw holes of the body-side mounting base 23 are inserted. Screw into 24 and tighten the bolt to fix.
[0027]
In addition, when the lid 22 is reversed and attached depending on the conditions of the installation location or the like, the hinge shaft portion 27 provided on the lid 22 is attached to the hinge bearing portion 33 located on the opposite side. Since the hinge bearing portions 33 provided at the four locations of the case main body 21 have the same configuration, they can be easily attached by the same procedure on either side.
[0028]
In the above embodiment, the case where the lid 22 can be attached and detached when the lid 22 is opened at 180 ° has been described. However, the lid 22 may be configured to be attachable and detachable when set to other angles. Of course.
[0029]
【The invention's effect】
As described above in detail, according to the present invention, the hinge bearing portion is integrally formed on the case body side and the hinge shaft portion is integrally formed on the lid side, and the case body and the lid are opened at a certain angle, for example, 180 °. Since the lid can be attached and detached, the lid can be easily attached and detached with a simple configuration without using a hinge shaft component, and the cost can be reduced. Further, since the case main body is provided with the hinge shaft portions on the two corresponding side portions, the lid can be arbitrarily attached on either side.
[0030]
In addition, a bolt is attached to the screw hole of the hanging part mounting base on the coupling side of the case body, that is, the side not normally used, and a locking part is provided on the lid side so as to contact the bolt, so that the lid can be attached and detached. Since it cannot be opened to an angle, for example, 180 °, even when the lid is opened, the lid can be reliably prevented from falling off.
[0031]
In addition, since a groove for packing is provided on the case body side and a groove for shield wire is provided on the lid, and a step is formed on the outer periphery of each groove, it is possible to reliably prevent the main body and the lid from being displaced. . Furthermore, since the four corners of the step forming portion of each groove are formed in an arc shape, the lid can be opened and closed smoothly even if there is a step.
[0032]
In addition, the bearing hole of the hinge bearing part is formed in an oval shape, and the dimensions when the packing and shield wire are crushed by tightening and the dimensions before being crushed are absorbed, so the lid can be opened and closed smoothly. Can be done.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view of a communication device housing according to an embodiment of the present invention.
FIG. 2 is an enlarged view showing a coupling portion between a case main body and a lid in the embodiment.
FIG. 3 is a perspective view showing a state where the main body and the lid are opened 180 ° in the same embodiment;
4 is an enlarged perspective view showing a main part of FIG. 3. FIG.
FIG. 5 is a perspective view showing a state where the lid in the same embodiment is opened at an angle smaller than 180 °.
FIG. 6 is a main part perspective view showing a state in which a bolt is attached to the suspension part mounting base in the embodiment;
FIG. 7 is a cross-sectional view of a communication device housing in the embodiment.
FIGS. 8A and 8B are diagrams showing changes in the position of the hinge shaft portion when the packing is not crushed and when the packing is crushed in the same embodiment;
FIG. 9 is a perspective view showing a state when the lid is opened at a predetermined angle in the embodiment.
10A is a front view of a conventional communication device housing, and FIG. 10B is a bottom view.
11A is a side view of FIG. 10A, and FIG. 11B is a side view showing a state in which a lid is opened.
[Explanation of symbols]
21 Case body 22 Lid 23 Body side mounting base 24 Screw hole 25 Lid side mounting base 26 Bolt hole 27 Hinge shaft part 28 Locking part 31 Hanging part mounting base 32 Hanging part screw hole 33 Hinge bearing part 34 First bearing Part 35 second bearing part 36 bearing hole 37 bolt 38 locking part 41 packing groove 42 inner peripheral wall 43 outer peripheral wall 44 edge 45 shield wire groove 46 packing 47 shield wire

Claims (6)

A case body with one side open,
A lid covering the opening of the case body;
A body-side mounting base provided to project laterally from the opening end side in the vicinity of both end portions of the case body;
A screw hole formed in each main body side mounting base;
A lid side mounting base provided corresponding to the main body side mounting base on both sides of the opening end side of the lid;
A bolt hole formed in each lid-side mounting base;
Hinge bearing portions of the same shape provided on both side surfaces of the case body on the inner side of the body-side mounting bases;
A hinge shaft portion that is provided on one side of the opening end side of the lid and positioned on the inner side of the lid-side mounting base, and is inserted into a bearing hole of the hinge bearing portion;
A locking portion is formed at the tip of the hinge shaft portion, and the hinge shaft portion and the hinge bearing portion can be attached and detached with the lid being opened at a predetermined angle with respect to the case body. And a mechanism for preventing the hinge shaft portion and the hinge bearing portion from being attached to and detached from each other. A case body with one side open,
A lid covering the opening of the case body;
A body-side mounting base provided to project laterally from the opening end side in the vicinity of both end portions of the case body;
A screw hole formed in each main body side mounting base;
A base for mounting suspension parts provided at the center of both side surfaces of the case body;
A threaded hole for a suspended component formed in the suspension component mounting base;
A lid side mounting base provided corresponding to the main body side mounting base on both sides of the opening end side of the lid;
A bolt hole formed in each lid-side mounting base;
Hinge bearing portions of the same shape provided on both side surfaces of the case body on the inner side of the body-side mounting bases;
A hinge shaft portion that is provided on one side of the opening end side of the lid and positioned on the inner side of the lid-side mounting base, and is inserted into a bearing hole of the hinge bearing portion;
A locking portion is formed at the tip of the hinge shaft portion, and the hinge shaft portion and the hinge bearing portion can be attached and detached with the lid being opened at a predetermined angle with respect to the case body. And a mechanism for preventing the hinge shaft portion and the hinge bearing portion from being attached to and detached from each other. The communication device housing according to claim 2,
A bolt to be mounted in a screw hole of a base for mounting a suspended component on the hinge bearing portion side supporting the hinge shaft portion of the lid;
A locking portion formed on the side portion of the lid so as to contact the head of the bolt when the lid is opened;
A communication device housing configured to hold an angle when the lid is opened within an angle smaller than a detachable angle of the lid. In the communication equipment housing according to claim 1 or 2,
A packing groove formed along the peripheral edge of the opening end of the case body and fitted with an airtight holding packing; and
A communication device housing, comprising: a shield wire groove on which an electromagnetic shielding shield wire formed along the periphery of the opening end of the lid is mounted. The communication device housing according to claim 4,
A communication device casing, wherein a step is formed on the outer periphery of the packing groove and the shield wire groove, and a corner of the step forming portion is formed in an arc shape. 5. The communication device housing according to claim 4, wherein the bearing hole of the hinge bearing portion is formed in an oval shape so that the hinge shaft portion can move within the bearing hole, and the packing and the shield wire are crushed by tightening. A communication device housing configured to absorb changes in dimensions and dimensions before being crushed.

Images