JP2639404B2 - Structure of mounting part in electronic equipment case - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of an attachment portion for attaching an electronic device case to a messenger wire.

[Conventional technology]

By providing a tightening piece above the case and turning the tightening screw rod through the tightening piece to move the tightening piece close to the upper surface of the case, the upper surface of the case and the tightening piece It is known that a messenger wire interposed therebetween is tightened.

[Problems to be solved by the invention]

With the structure of the mounting portion in this conventional electronic device case, when turning the above-mentioned tightening screw rod, the tightening piece also rotates together,
There is a problem that the workability of the fastening operation of the messenger wire is impaired. In addition, there is also an inconvenience that the mounting portion as described above is limited to a messenger wire.

The present invention has been made in view of the above points, and an object thereof is to easily perform a messenger wire tightening operation, and is not limited to the messenger wire as described above. It is an object of the present invention to provide a structure of a mounting portion in an electronic device case which can be mounted on a mounting plate fixed to a metal arm or the like.

[Means for solving the problem]

In order to achieve the above object, the present invention employs the means described in the claims, and the operation is as follows.

[Action]

When the tightening portion of the tightening screw rod is turned to move the tightening piece close to the upper surface of the case, the protrusion provided on the tightening piece engages with the bulge provided on the upper surface of the case to form the tightening portion. Is prevented from rotating together with the clamping piece. On the other hand, when mounting to the mounting plate, since the width of the bulging portion is made smaller and the width of the fastening piece is made larger than the width of the missing portion formed in the mounting plate, The mounting plate can be introduced under the fastening piece with the bulging portion entering the above-mentioned lacking portion.

〔Example〕

Hereinafter, drawings showing an embodiment of the present application will be described. First
In the figure, reference numeral 1 denotes an electronic device case, as an example, a case of a joint receiving device. This case is the main body 2,
And a well-known electronic circuit. Various cables 4 and 5 are connected to the main body 2 of the case using connectors 6 and 7, respectively. Reference numeral 8 denotes a fixture provided on the upper surface 2a of the main body 2 in the case. In this example, two are provided, but only one may be provided.

Next, the attachment 8 will be described in detail with reference to FIGS. The mounting member 8 includes a pedestal portion 11 formed on the upper surface 2a and a fastening piece disposed above the pedestal portion.
And a fastening screw rod 13 for fastening the fastening piece 12 toward the pedestal portion. Reference numeral 14 denotes a fastening portion of the fastening screw rod set at the center of the pedestal portion 11, which is formed with a screw hole. Reference numeral 16 denotes a messenger wire fastening portion 16 defined on one side of the fastening portion 14 on the upper surface of the pedestal 11. Reference numeral 17 denotes a guide surface of the pedestal 11, which is formed on a slope as shown. Reference numeral 18 denotes a bulging portion provided on the side opposite to the fastening portion 16 with respect to the fastening portion 14. In this embodiment, the bulging portion 18 is formed to be long up to a portion around the fastening portion 14 to increase the thickness of the pedestal at the fastening portion 14, and the lower end of the tightening screw rod is set inside the case body 2. It can be securely fastened without protruding from the surface. As shown in FIG. 7, the width W1 of the bulging portion 18 is determined to be smaller than the width W0 of the notch 36 in the mounting plate 34 as shown in FIG.

Next, reference numeral 20 denotes a through hole for penetrating the tightening screw rod in the tightening piece 12, and a spring seat 21 is provided on an upper edge thereof. 22 is the fastening piece 12
Of the messenger wire defined on the lower surface of the messenger wire, and is defined in a portion facing the fastening portion 16. Reference numeral 23 denotes a projection provided on the lower surface of the fastening piece 12 with respect to the through hole 20 on the side opposite to the fastening portion 22, and spaced apart from the width of the bulging portion 18 at a wider interval. There are two. As shown in FIG. 7, the width W2 of the fastening piece 12 having the above-described configuration is set to be larger than the width W0 of the missing portion. As shown in FIGS. 6 and 7, the depth dimension D1 from the front edge 18a of the bulging portion 18 to the rear edge 23a of the protruding piece 23 is the same as that of the opening 36a in the notch 36 in the mounting plate 34. It is formed smaller than the depth dimension D0 from the rear surface 37a of the rising piece 37 formed on both edges to the deep end of the missing portion 36. Incidentally, reference numeral 24 denotes a spring for floating the fastening piece interposed between the extended portion of the bulging portion 18 and the spring seat 21.

Next, the tightening screw rod 13 includes a screw rod 26 and a fastener 27. The male thread is formed around the screw rod 26,
The lower part is fixed to the fixing part 14 of the pedestal part 11 so as to be embedded. The fastening is performed by attaching an adhesive to a screw hole of the fastening portion 14 and screwing the lower end of the screw rod 26 there. The screwing is performed by fitting a hexagon wrench into the fitting hole 28 at the upper end. But the fastening is
As is well known, it may be performed by insert molding. Fastener
Reference numeral 27 denotes an annular main body portion 29 and a cylindrical portion 30 protruding from the lower surface thereof.
A male screw is formed on the inner peripheral surface of each of the male screw and the male screw of the screw rod 26. This male screw is a cylinder
It may be formed only on the inner peripheral surface of 30 or only on the inner peripheral surface of the lower part of the cylindrical portion 30. The outer diameter of the main body portion 29 is formed sufficiently larger than the through hole 20, and the large diameter portion (the outer peripheral portion in the vehicle body portion 29) is a flange-shaped fastening portion 29a. Reference numeral 31 denotes a well-known washer provided below the fastening portion 29a.

Next, an operation of attaching the electronic device case 1 to the messenger wire 33 using the attachment 8 will be described. First, turn the fastener 27 as shown in FIG.
Raise against 26. As a result, the fastening piece 12 is pushed up by the spring 24, and the fastening portions 22, 16 are separated from each other as shown in the figure. Next, as shown in FIG. 2, the fastening portion 22 is hung on the messenger wire 33. Next, the fastener 27 is turned to move the fastening piece 12 close to the pedestal portion 11. As a result, as shown in FIG.
Is fastened between the fastening portion 22 and the fastening portion 16, and the attachment of the electronic device case 1 to the messenger wire 33 is achieved.

When the fastener 27 is turned as described above, since the protruding piece 23 is located beside the bulging portion 18 as is apparent from FIG. 3, even if the fastener 27 is turned, the fastening piece 12 is turned along with it. Is prevented. Therefore, the fastening operation by the fastener 27 can be easily performed.

Next, a case where the electronic device case 1 is mounted on the mounting plate 34 as shown in FIG. 5 will be described. Note that the mounting plate 34 is fixed to, for example, an arm 35. But mounting plate
34 may be attached to the wall of the house instead of the arm.

At the time of attachment to the attachment plate 34, first, the fastener 27 is loosened and the fastening piece 12 is raised as in the case of the messenger wire. Next, the electronic device case 1 is attached to the mounting plate.
By moving the mounting plate 34 under the fastening piece 12 as shown in FIG. 6 by moving the mounting plate 34 substantially horizontally toward the side 34, the state shown in FIG. After that, it is introduced into a state like C shown by a solid line. In this case, the mounting plate 34 is easily guided to the upper side of the pedestal portion 11 due to the presence of the guide surface 17, and thereafter, the bulging portion 18 enters the lacking portion 36, so that the mounting plate 34 is mounted by the guidance of the bulging portion 18. The plate 34 can be easily introduced under the clamping piece 12. With the introduction as described above, the fastening piece 12 straddles the lacking portion 36, and after the rising piece 37 comes to the position shown by c in FIG. Even if the load is not supported by hand, that is, if the load is deposited on the mounting plate 34 via the fastening piece 12, the electronic device case 1 does not fall off the mounting plate 34. Therefore, after that, the fastener 27 is turned by an easy operation, and the fastening piece 12 is moved toward the pedestal portion 11 to approach the pedestal portion.
The mounting plate 34 may be fastened between the fastening piece 11 and the fastening piece 12.

〔The invention's effect〕

As described above, according to the present invention, when it is desired to attach the electronic device case 1 to the messenger wire 33, the messenger wire 33 is introduced below the fastening piece 12 and the fastening portion 29a of the fastening screw rod 13 is turned. There is an effect that the messenger wire 33 can be attached by tightening the messenger wire 33 between the case 1 and the tightening piece 12, and in the case of the above-described tightening, the presence of the bulging portion 18 and the protruding piece 23 makes the tightening portion 29a The rotation of the tightening piece 12 can be prevented from rotating together, and the above tightening work can be easily performed (for example, even with one hand).
There is an effect that can be done.

In addition, even if it is intended to be attached to the messenger wire 33 as described above, if it is desired to attach it to the attachment plate 34 fixed to the arm of the telephone pole or the like, the missing portion 36 formed on the attachment plate 34 The width W1 of the bulging portion 18 is made smaller and the width W2 of the tightening piece 12 is made larger than the width W0 of the mounting plate. There is a variety that allows the 34 to be introduced under the fastening piece 12 and can be mounted on the mounting plate 34.

[Brief description of the drawings]

BRIEF DESCRIPTION OF THE DRAWINGS The drawings show an embodiment of the present invention, FIG. 1 is a perspective view showing a state of attachment of an electronic device case to a messenger wire, and FIG. FIG. 3 is a diagram of FIG.
FIG. 4 is a longitudinal sectional view of the mounting fixture with the messenger wire tightened, FIG. 5 is a perspective view showing the electronic device case mounted on the mounting plate, and FIG. 6 is a mounting plate. FIG. 7 is a side view for explaining a process of introducing the lower part under the fastening piece, and FIG. 7 is a sectional view taken along the line VII-VII in FIG. 1 ... Electronic device case, 12 ... Tightening piece, 13 ... Tightening screw rod, 18 ... Swelling part, 23 ... Protrusion piece, 33 ... Messenger wire, 34 ... Mounting plate, 36 ... Missing part.

Claims (1)

(57) [Claims] 1. An electronic device case, comprising:
The fastening piece is disposed so as to be freely movable toward and away from the upper surface. An intermediate portion of a tightening screw rod fastened to the electronic device case is inserted therethrough, and at one side of the tightening screw bar, the upper surface of the electronic device case and the lower surface of the bar-attached piece intersect. In the structure of the mounting portion in the electronic device case, in which a tightening portion for tightening the messenger wire is defined between the portions facing each other, the fastening portion of the tightening screw rod on the upper surface of the electronic device case On the other hand, a bulging portion is provided on the side opposite to the tightening portion. The protrusion is designed to stop the rotation of the swelling. The width of the fastening piece is set smaller than the width of the lacking portion so that it can advance into the lacking portion provided on the plate, and the width of the fastening piece is larger than the width of the lacking portion so as to be able to straddle the lacking portion. The structure of the mounting part in the electronic equipment case is also largely defined.