JPH0542558U - Hinges for electrical device storage boxes - Google Patents

Abstract

(57) [Summary] [Purpose] The structure is simple and can be attached and removed with one touch without using a jig or hand tool. It also prevents the support shaft from falling off, and is also used for support shafts with different shaft diameters. Provide a support shaft stopper that can be used. [Structure] The locking projection piece 5 of the main body side hinge portion A and the locking projection pieces 10 and 10 of the door side hinge portion B are provided with support shaft insertion holes 5a, 10a, 10a which are continuous on the same line. The support shaft 11 is inserted into the support shaft insertion hole, and the support shaft 11 between the latching piece 6 and the locking projection piece 10 is provided with an upper holding piece 12a and a lower holding piece 12b, and a center from the tip edge thereof. A support shaft stopper 12 made of an elastic plate in which shaft insertion holes 13 and 14 having different diameters are cut and formed is elastically attached to be detachable.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to improvement of a hinge of a box for housing an electric device used for a switchboard, a distribution board and the like.

[0002]

[Prior Art]

 As shown in FIG. 7, the hinge of the conventional electrical equipment housing box has an E-ring 33 fitted to the end of the support shaft 32 inserted into the locking projection plates 31, 31, as a method for preventing the support shaft from falling off. Alternatively, as shown in FIGS. 8 (a) and 8 (b), locking pieces 35, 35 are provided on both left and right sides of the locking projection plate 34 in the same direction as the locking projection plate 34, and are bent. Holding the support shaft 32 strongly. Incidentally, C is a hinge part of the box body 1, and D is a hinge part of the door 2.

[0003]

[Problems to be solved by the device]

 In the above-mentioned conventional technique, the former has to attach and detach the E-ring 33 each time the support shaft 32 is fitted and removed, and the attachment and detachment is troublesome and sometimes lost, and the E-ring once removed. 33 could not be reused. In the latter case, as shown in FIG. 8 (b), it takes a lot of work since the locking piece 35 is pulled up and the shaft is stopped by a screwdriver or other hand tool, and the corner of the locking piece 35 is reused when it is reused. Since the part is bent, there are problems that the paint of the bent part is peeled off, the locking piece 35 is bent unnaturally, and sometimes is broken.

[0004]

[Means for Solving the Problems]

 In view of the above-mentioned problem of the hinge of the electrical equipment housing box, the present invention has a simple structure and can be operated with one touch, and securely holds the support shaft to prevent it from falling off. It provides a hinge for a box for housing electrical equipment, which has a support shaft stopper that can also be used as a support shaft of a shaft diameter. Hinges on the main body, which have protruding pieces and hooking pieces, and hinges on the door, which have locking notches and hook-shaped locking projections on the support plate that is hung on one end of the board. Support shaft insertion holes continuous on the same axis are provided in each of the locking projection pieces, and the support shaft is inserted into each of the support shaft insertion holes, and the engagement piece and the door-side hinge portion are engaged with each other. A support shaft stopper consisting of two upper and lower elastic clamping pieces is elastically attached to the support shaft between the stop projection and the stop protrusion. There is to be worn. Further, the support shaft stopper is formed by cutting the upper and lower elastic clamping pieces into shaft insertion holes having different diameters from the tip edge to the center.

[0005]

[Action]

 Insert the locking projection piece of the hinge part on the main body into the locking cutout part of the hinge part on the door side, and insert the support shaft insertion holes of the locking projection part and the locking projection part of the hinge part on the door side on the same axis. When the support shaft is inserted into each support shaft insertion hole, the hinge part on the main body side and the hinge part on the door side are rotatably connected. In that state, if the support shaft stopper is attached to the support shaft between the latching piece and the locking projection piece of the door hinge, the support shaft is securely clamped by the upper and lower elastic clamping pieces. And there is no pulling out. When the support shaft stopper is pulled from the support shaft, the elastic clamp piece is released from the support shaft, and the support shaft stopper can be easily pulled out from the support shaft.

When using support shafts having different shaft diameters, the support shaft is sandwiched by elastic sandwiching pieces having shaft insertion holes of the same diameter as the shaft diameter of the supporting shaft, out of the upper and lower elastic sandwiching pieces. However, if another support shaft with a different shaft diameter from that of the support shaft is to be inserted, turn the support shaft stopper upside down and support it with an elastic holding piece that has a shaft insertion hole with the same diameter as the support shaft. Hold the shaft. As described above, any of the support shaft stoppers can be securely engaged with the support shaft by one-touch to securely clamp the support shaft, and the upper and lower elastic clamping pieces can be reversed to provide two different types of shafts. It is also possible to clamp a diameter support shaft.

[0007]

【Example】

 An embodiment of a hinge of a box for housing an electric device according to the present invention will be described below with reference to the accompanying drawings. In FIG. 1, 1 is a main body of the equipment box, 2 is a door of the equipment box, and the hinge portion A on the main body 1 side is configured as follows. That is, the substrate 3 is fixed to the main body 1, a support plate 4 is vertically provided on one end side thereof, and a hook-shaped locking projection piece 5 is projectingly provided at a central portion of the support plate 4, and further, the engagement Hook pieces 6 and 6 are provided on both sides of the stop projection piece 5, respectively.

Further, the hinge portion B on the door 2 side is configured as follows. That is, the board 7 is fixed to the door 2, the support plate 8 is vertically provided on one end side of the board 7, and the engagement notch 9 is cut out at the center of the support plate 8. Hook-shaped locking projections 10, 10 are provided on both sides of the notch 9, respectively.

Then, each of the locking projections 5, 10, 10 is provided with support shaft insertion holes 5a, 10a, 10a which are continuous on the same axis, and these support shaft insertion holes 5a, 10a, 10a are provided. The existing support shaft 11 penetrates, and further, as shown in FIG. 2, the support shaft 11 between the latching piece 6 and the locking projection piece 10 has the support shaft stopper 12 elastically detachable. It is locked up.

The entire support shaft stopper 12 is made of a synthetic resin or stainless elastic plate as a material, and its shape is such that an upper holding piece 12b and a lower holding piece 12c are provided at the tip of a knob plate 12a that is a combination of two pieces. The upper clamping piece 12b is provided with a shaft insertion hole 13 having an inner diameter of 5 mm cut from the tip edge to the center, and the lower clamping piece 12c is similarly provided with a shaft insertion hole 14 having an inner diameter of 4 mm. It is embedded. The knob plate 12a facilitates engagement and disengagement of the support shaft stopper 12 with respect to the support shaft 11.

The hinge configured as described above is assembled and operates as follows. That is, the locking projection 5 of the main body hinge A is fitted into the locking cutout 9 of the door hinge B, and the supporting shaft insertion hole 5a of the locking projection 5 and the support of the door hinge B are supported. When the shaft insertion holes 10a, 10a are connected on the same axis and the existing support shaft 11 having the countersunk head 11a is inserted into the support shaft insertion holes 5a, 10a, 10a from above, the main body side hinge portion A and the door The side hinge part B is rotatably connected.

In this state, when the shaft diameter of the support shaft 11 is 5 mm, the knob plate 12a is grasped and the support shaft stopper 12 is inverted as shown in FIG. 2c is turned up and inserted between the latching piece 6 and the locking projection piece 10, and the supporting shaft 11 is engaged with the shaft insertion hole 13 having an inner diameter of 5 mm of the lower holding piece 12b. The support shaft 1 1 is clamped. If the shaft diameter of the support shaft 11 is 4 mm, as shown in FIG. 3B, contrary to the above, the support shaft stopper 12 is turned over while gripping the knob plate 12a, and the upper clamping piece 12b is reversed. And the shaft insertion hole 14 having an inner diameter of 4 mm of the lower holding piece 12c which is turned down is engaged with the support shaft 11 to hold the support shaft 11.

In this way, the main body side hinge portion A and the door side hinge portion B are used by being rotatably connected to each other. Since it is inserted with one piece into the support shaft 11 and fastened to the support shaft 11, it is easy to operate and does not require a jig or tool, and the same support shaft stopper 12 does not require replacement of parts. Two different types of support shafts having shaft diameters of 5 mm and 4 mm can be held. The support shaft 11 has its countersunk head 11a pressed by the support shaft stopper 12, and the support shaft stopper 12 is pressed by the latching piece 6, so that the support shaft 11 is securely clamped and slips out upward. There is no such thing. Then, by grasping the knob plate 12a and pulling the support shaft stopper 12 from the support shaft 11, the holding of the upper holding piece 12b or the lower holding piece 12c is released, and the support shaft stopper 12 is easily pulled out from the support shaft 11. You can

4 (a), (b), (c) to FIGS. 6 (a), (b), (c) are all other embodiments of the supporting shaft stopper, and each of the supporting shaft stoppers 21 3 is a left side view, a front view, and a right side view of FIG. The material of each support shaft stopper 21 is an elastic plate made of stainless steel, and its shape is such that an upper clamping piece 21b and a lower clamping piece 21c are provided at the tip of a pair of knob plates 21a, and the lower clamping piece 21c is provided. A shaft insertion hole 21d having an inner diameter of 5.2 mm cut from the tip edge to the center is provided, and a notch or a small projection is provided on the upper holding piece 12b.

In each of the support shaft stoppers 21 described above, the lower sandwiching piece 21c is placed downward and the knob plate 21a is pinched in the same manner as in the case of FIG. Inserted in between, the support shaft 11 having a shaft diameter of 5 mm is engaged with the shaft insertion hole 13 having an inner diameter of 5.2 mm of the lower clamping piece 21c to clamp the support shaft 11. Since the upper gripping piece 21b and the lower gripping piece 21c have elasticity, the notch of the upper gripping piece 12b and the small projection and the lower gripping piece 21c make close contact with the latching piece 6 and the locking projection piece 10, respectively. Therefore, the support shaft 11 in which the countersunk head 11a is brought into contact with the upper clamping piece 12b is reliably clamped and does not come out upward.

Then, by gripping the knob plate 21a and pulling the support shaft stopper 21 from the support shaft 11, the lower stage clamping piece 12c is unclamped and the support shaft stopper 21 can be easily pulled out. In this way, by pinching the knob plate 21a and inserting the support shaft stopper 21 between the latching piece 6 and the locking projection piece 10 with one touch, the support shaft stopper 21 is attached to the support shaft 11 or the attachment thereof. Since the support shaft stopper 21 can be easily pulled out by unwinding, the operation of assembling and disassembling the hinge is easy, and the manufacturing is easy, so the cost is low.

The main body side hinge portion A, the door side hinge portion B, the support shaft 11 and the support shaft stopper 12, the detailed shape of the support shaft stopper 21, and the support shaft 11 and the support shaft stopper 12 of the above-described embodiment. The dimensions and the like of the supporting shaft stopper 21 are merely examples and are not limited to these, and can be appropriately changed within the scope and the purpose of the present invention.

[0018]

[Effects of the Invention] As described above, the hinge of the electrical equipment housing box according to the present invention has the support shaft that is inserted into the support shaft insertion hole that is continuous on the same axis of the hinge portion of the main body side and the door side, and supports it. A support shaft stopper consisting of two upper and lower elastic clamp pieces is detachably attached to the shaft, and a support shaft stopper in which different diameter shaft insertion holes are formed in the upper and lower elastic clamp pieces, respectively. Since it is attached to the support shaft, the structure is simple, and since the support shaft stopper can be attached to the support shaft with one touch, no jigs or tools are required, and the attachment and detachment operations are easy. Further, since the support shaft is securely held by the upper and lower elastic holding pieces, the support shaft is prevented from falling off. Furthermore, since the same support shaft stopper can be used for two types of support shafts having different shaft diameters, the shaft insertion holes of different diameters make it easy to manage parts and reduce inventory. Further, unlike the prior art, it is not necessary to form a groove in the support shaft, and the support shaft stopper can be manufactured easily and at low cost.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of a hinge of a box for housing an electric device according to the present invention.

FIG. 2 is a perspective view showing a state in which the hinge of FIG. 1 is assembled.

FIG. 3 is an explanatory view showing a state in which support shaft stoppers are attached to support shafts having different shaft diameters.

FIG. 4 is a left side view, a front view, and a right side view, respectively, of another embodiment (first example) of the support shaft stopper.

FIG. 5 is a left side view, a front view, and a right side view, respectively, of another embodiment (second example) of the support shaft stopper.

FIG. 6 is a left side view, a front view, and a right side view, respectively, of another embodiment (second example) of the support shaft stopper.

FIG. 7 is an exploded perspective view of an example of a hinge of a conventional electrical equipment housing box.

FIG. 8 is an exploded perspective view of an example of a hinge of a conventional electrical equipment housing box and an explanatory view of a state in which the hinge is assembled.

[Explanation of symbols]

1 ... Equipment box body, 2 ... Equipment box door,
3, 7 ... Substrate, 4, 8 ... Support plate, 5, 10 ... Locking projection piece 5a, 10a ... Support shaft insertion hole, 6 ... Hooking piece, 9 ... Locking notch , 11 ・ ・ Support shafts, 12, 21 ・
.Supporting shaft stoppers, 12b, 21b ..
c, 21c ··· Lower clamping piece, 13, 14 · · Shaft insertion hole,
A ... Body side hinge part, B ... Door side hinge part.

Claims (2)

[Scope of utility model registration request] 1. A main body side hinge part in which a hook-shaped locking projection piece and a hooking piece are respectively projected on a support plate which is hung on one end side of a substrate, and a support plate which is hung on one end side of the substrate. A door-side hinge portion provided with a locking notch and a hook-shaped locking projection piece, respectively, and each of the locking projection pieces is provided with a support shaft insertion hole continuous on the same axis line. A support shaft is inserted into the shaft insertion hole, and a support shaft stopper consisting of two upper and lower elastic holding pieces is clamped on the support shaft between the latching piece and the locking projection piece of the door side hinge. A hinge for a box for storing electrical equipment, which is detachably attached. 2. The electrical equipment storage device according to claim 1, wherein the support shaft stopper is formed by cutting shaft insertion holes of different diameters from upper and lower elastic clamping pieces from a tip edge to a center thereof. The hinge of the box.