JPH056753U - Electronic device case body - Google Patents

Abstract

(57) [Abstract] [PROBLEMS] To provide an electronic device case body which can be manufactured easily and can be manufactured at low cost by simplifying the structure and assembly of an electronic device having a plug. [Structure] A flange portion for joining and supporting one end of a cover is formed at one end of a main body frame to which a wiring board is attached,
At the other end of the base frame, a U-shaped receiving portion is formed in the stopper receiving seat, and a grounding piece fitting groove is provided at the side edge portion of the base frame. A flange is formed on one end side to be fitted into the U-shaped receiving part, and for a screw thread formed on the outer peripheral surface of the connector, tightening for tightening the end face of the cover to the connector receiving seat. The means are screwed together.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to the invention of an electronic device case body, which is an electronic device case body capable of simplifying the structure and assembling of an electronic device having a plug, and facilitating the manufacture to appropriately reduce the cost. It is the one we are trying to provide.

[0002]

[Prior Art]

 For electronic equipment, it is necessary to mount and fix the board and other electronic parts in the case, and also to fix the input / output connector, etc., and it is indispensable to attach the ground metal fittings, etc. The existing structure is to use fixing means such as screws and caulking in each part.

A recently announced example of an electronic device equipped with such a substrate and a connector seat is Japanese Patent Laid-Open No. 3-4469, but a connector body divided into two parts in the axial direction as a connector seat. It has been announced that this is inserted into a conductor, the conductor is caulked and attached to the case, and a cover is applied.

Further, as an example of mounting the connecting plug, there is one such as Japanese Utility Model Publication No. Sho 57-1429 (Actual No. Sho 53-136590) in which a metal case is provided with a screw portion to be directly screwed and fixed by tightening. No. 129779 is a method of fixing a plug by providing a square flange portion on the plug and utilizing a screw stop hole of the flange portion, and Japanese Patent Laid-Open No. 165285/1983 discloses a plug fixing with a nut.

Further, as a method of attaching the ground metal fitting, a method such as screwing or a method of fixing the earth metal fitting in contact with another attachment part or the like is adopted.

[0006]

[Problems to be solved by the device]

 However, in the above-mentioned conventional one, the number of constituent members is large, and the man-hour for assembling and fixing is large. That is, a screw, caulking, and a barb for positioning are required to attach a connector and a grounding metal to the base frame, which inevitably increases man-hours.

In the above-mentioned Japanese Patent Laid-Open No. 3-4469, it is considered that connecting the connector and the circuit board with the lead wire is complicated in operation and it is easy to make a connection error. The extension is extended and the protruding part is connected to the connection part on the circuit board. However, the structure of the holding body made of an insulating material is divided into two parts and is complicated, and the outer conductor accommodating the holding body is connected to the case base frame. It must be fixed by crimping, and the cover must be attached to the above-mentioned base frame.

In the above-mentioned Japanese Utility Model Publication No. 57-1429, the number of steps and processing for forming the female thread on the metal case having a considerable size is large, and the plug itself is required for mounting. Or it is necessary to rotate the metal case, and the mounting operation is not easy. Of course, separate assembling of electronic equipment consisting of a wiring board and others requires separate work and work.

[0009] In the case of the actual Kaihei 1-129779, since the plug is formed into a square flange portion, the plug itself is large, and moreover, it is necessary to mount it with a plurality of screws, so that the number of mounting steps is large. As described above, it is necessary to devise and install the entire electronic device as described above.

In Japanese Patent Laid-Open No. 58-165285, a tightening operation by a nut is required in the entire axial direction of the plug, and no trouble is solved in assembling electronic devices in general.

[0011]

[Means for Solving the Problems]

 The present invention has been studied to solve the problems in the prior art as described above, and by providing a connector seat formed on the connector and a flange portion and connector fitting portion formed on the base frame, it is easy and quick. It has succeeded in ensuring proper assembling and securing an accurate joint relationship, and is as follows.

A flange portion for joining and supporting one end of the cover is formed at one end portion of the main body base frame to which the wiring board is attached, and a U-shaped receiving is formed in a plug receiving seat formed at the other end portion of the main body base frame. And a ground piece fitting groove is provided in a side edge portion of the main body base frame, and the U-shaped receiving portion is fitted to one end side of the connector set in the connector receiving seat. An electronic device characterized in that a collar portion is formed, and a fastening means for fastening the end face of the cover to a connector seat is screwed onto a thread formed on the outer peripheral surface of the connector. Case body.

[0013]

[Action]

 By forming a flange portion for joining and supporting one end of the cover to one end of the main body base frame to which the wiring board is attached, the main body base frame also functions as a tightening base portion of the cover that is mounted on the base frame.

Further, since the U-shaped receiving portion is formed in the contact receiving seat formed at the other end of the main body base frame as described above, the connecting plug for inserting and removing the core wire or the like can be received.

By disposing a grounding piece fitting groove in the side edge portion of the main body base frame and setting the base end of the grounding piece, the setting of the grounding piece is simply fitted, and the assembly is remarkably performed. Make it easy.

By forming the collar portion fitted to the U-shaped receiving portion on one end side of the stopper set on the connector receiving seat, the connector is attached to the U-shaped receiving portion at the collar seat. Easy to fit.

[0017] The above-mentioned is achieved by screwing the fastening means for fastening the end surface of the cover to the connector seat with the thread formed on the outer peripheral surface of the connector set as described above. The cover is mounted on the base frame of the main body, and the fastening means is press-fitted to the end face of the cover to press and close the open end of the cover to the flange portion of the base frame of the main body to complete the whole assembly. Complete.

[0018]

【Example】

 A concrete embodiment of the present invention as described above will be described with reference to the accompanying drawings. Wiring boards 7 and 8 are vertically attached to a base frame 1 of the main body, and a connector 4 is provided to cover the cover. The application of 2 is the same as that generally known in the past, but in the present invention, these parts are constructed as shown in FIG.

That is, a flange portion 11 that is joined to the open end 21 of the cover 2 is formed at one end of the main body base frame 1, and the closed end surface 22 of the cover 2 is formed at the other end as shown in FIGS. 2 and 3. A pair of mating plug seats 12 is provided, and an elastic piece 51 is formed on the setting board 13 of the wiring board 7 of the main body base frame 1 so that the bent elastic contact portion 51 is fitted to the mounting portion 50 of the ground piece 5. The fitting groove 15 is provided oppositely.

A U-shaped receiving portion 16 as shown separately in FIG. 4 is formed in the plug receiving seat 12 in the same shape as the plug receiving portion 14, while the plug 4 has a square collar portion 41. The flange 41 is provided so that it is fitted and set in the U-shaped receiving portion 16 when the connector 4 is fitted in the receiving portion 14.

An insertion hole 23 is provided in the closed end surface 22 at the back of the cover 2, and the connector 4 is mounted as described above, and the earth piece 5 and the wiring boards 7 and 8 are mounted to the setting seats 13 and 13. The main body base frame 1 is inserted into the inner hole 20 of the cover 2, the connector 4 is inserted into the insertion hole 23, and the end plate 21 can project the connector 4 and thus protruded. The assembly is completed by screwing the fastening nut 6 into the thread 42 formed on the peripheral surface of the connector 4.

The wiring board 3 on which the wiring 31 is formed and the electronic parts 32 and the like are attached can be fixed to the main body base frame 1 after the grounding piece 5 is set by a stopper or the like. By forming a rail-shaped protrusion 23 on the side wall of the inner hole 20 of the cover 2, the wiring substrate 3 is attached to the protrusions 23, 23 with the wiring substrates 3, 3 attached to the main body base frame 1. If they are inserted together, the connector 4 of the main body base frame 1 is inserted in a state of being aligned with the insertion hole 22, and furthermore, the wiring boards 3 and 3 are automatically fixed to the main body base frame 1. be able to.

Therefore, in the assembling operation of the device according to the present invention, the plug 4, the ground piece 5, and the wiring board 7 can be sequentially attached to the main body base frame 1 only from one direction, and finally the fastening screw is installed. It is obvious that the assembly as the equipment case body can be achieved all at once by simply screwing the case 6 and the assembling operation can be significantly simplified and speeded up.

As shown in the drawing, a microwave signal receiving concave portion 17 is formed in the central portion of the flange portion 11 of the main body base frame 1, that is, an intermediate position of the wiring substrate 8, and a wiring chamber 18 is formed. Is.

[0025]

[Effect of the device]

 According to the present invention as described above, the number of required members is at a minimum, and if the attached plugs are sequentially attached to or attached to the main body frame, the attached plugs are inserted into the closed end surface of the cover. All the assembly can be carried out simply and quickly by simply inserting it into the hole and tightening the nut, and it is a device that has a great effect industrially.

[Brief description of drawings]

FIG. 1 is a perspective view showing a disassembled state of a component body of an electronic device according to the present invention.

FIG. 2 is a vertical plan view of the assembled state.

FIG. 3 is likewise a vertical cross-sectional view in the assembled state.

FIG. 4 is an end view of the main body chassis.

[Explanation of symbols]

 1 Main body base frame 2 Cover 4 Plug 5 Ground piece 6 Tightening nut 7 Wiring board 8 Wiring board 11 Flange portion 12 Plug receiving seat 13 Setting seat 14 Plug receiving portion 15 Ground piece fitting groove 16 U type receiving portion 17 Microwave signal receiving recess 18 Wiring chamber 21 Open end 22 Closed end face 23 Insertion hole 31 Circuit 32 Electronic component 41 Square flange 42 Screw 43 Contact pin 50 Attachment 51 Elastic contact

Claims (1)

Claims for utility model registration 1. A flange portion for joining and supporting one end of the cover is formed at one end of the main body base frame to which the wiring board is attached, and at the other end of the main body base frame. A U-shaped receiving portion is formed in the contact plug receiving seat, a ground piece fitting groove is arranged in a side edge portion of the main body base frame, and the one end side of the contact plug set in the plug receiving seat is formed. A flange is formed to be fitted into the U-shaped receiving portion, and a fastening means for fastening the end surface of the cover to the connector receiving seat is screwed to the thread formed on the outer peripheral surface of the connector. An electronic device case body characterized by being made.