JPH05309575A - Relay extraction tool - Google Patents

Abstract

(57) [Abstract] [Purpose] To make it easy to pull out the relay bodies that are densely arranged on the wiring board from the sockets. [Structure] When the pin 9 of the relay body 8 is inserted into the pin hole 2a of the socket 1 mounted on the wiring board and pushed in, the locking projection 7 of the socket 1 engages with the locking groove 10 of the relay body 8. Locked. For such a relay body 8,
When the relay pull-out tool 11 is covered with the guide pieces 12 along each corner of the relay body 8, the edge portion 13 of the relay pull-out tool 11 hits the locking protrusion 7 of the socket 1 and pushes the locking piece 4 outward. Therefore, the edge portion 13 enters between the locking projection 7 and the locking groove 10 to release the lock, and the relay extraction tool 11 is separated from the socket 1 together with the relay main body 8 so that the relays arranged in high density are arranged. Even the main body 8 can be easily pulled out from the socket 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a relay extracting tool for pulling out a relay body, which is densely arranged on a wiring board, from a socket.

[0002]

2. Description of the Related Art In recent years, a relay as an electronic component has been mounted on a wiring board via a socket in order to facilitate replacement when a failure occurs. The relay body has its pins inserted into the pin holes of the socket to establish electrical connection with the socket, and to prevent the relay body from being easily separated from the socket, the locking groove of the relay body and the locking protrusion of the socket Is provided with a lock mechanism. In order to pull out the relay body from the socket for replacement, it is necessary to release the locking mechanism by the locking groove and the locking projection and release the connection between the relatively hard pin and the pin hole at the same time. Since it is difficult to perform with just the hands, it was necessary to pull out using several existing tools.

[0003]

However, when the relay bodies are densely arranged on the wiring board in order to increase the mounting density, the space for inserting the tools is restricted, and the existing tools are not used. It was difficult to pull out the relay body from the socket by using it.

The present invention is intended to solve such a conventional problem, and an object thereof is to provide an excellent relay extracting tool capable of easily extracting the relay main bodies arranged in high density from the socket. ..

[0005]

In order to achieve the above-mentioned object, the present invention provides a space between a locking groove of a relay main body and a locking projection of a socket constituting a lock mechanism when mounted on the relay main body. It is provided with an edge portion which is inserted into the end portion to release the engagement therebetween.

According to the present invention, when mounted on the relay main body, the edge which is inserted between the locking groove of the relay main body and the locking projection of the socket constituting the lock mechanism to release the engagement between the both. And a hooking piece that is locked to the bottom of the relay body.

According to the present invention, when it is mounted on the relay main body, the edge portion is inserted between the locking groove of the relay main body and the locking projection of the socket constituting the lock mechanism to release the engagement between the both. And a hooking piece that is locked to the bottom of the relay body, and a stopper piece that regulates the amount of pulling out.

[0008]

Therefore, according to the present invention, when the extraction tool is attached to the relay body, the edge portion thereof is inserted between the engagement groove of the relay body and the engagement protrusion of the socket to release the engagement between the two. Therefore, the relay main body can be easily pulled out from the socket by lifting the relay main body together with the extraction tool.

Further, according to the present invention, when the extraction tool is attached to the relay main body, the hooking piece is locked to the bottom portion of the relay main body. Therefore, when the extraction tool is lifted, the relay main body is caused by the hooking piece. , The relay body can be easily pulled out from the socket.

Further, according to the present invention, when the extraction tool is mounted and lifted on the relay body, the hook body lifts the relay body and the stopper piece restricts the movement amount thereof, so that the lifting is excessive. This prevents damage to the socket that occurs when the relay is turned on and allows the relay body to be easily pulled out from the socket.

[0011]

【Example】

(First Embodiment) FIG. 1 is a perspective view of a socket, a relay body, and a relay extracting tool according to a first embodiment of the present invention, and FIG. 2 is a plan view (a), a side view (b), and a front view of the socket. (C), FIG. 3 is a plan view of the relay body (a),
FIG. 4 is a side view (b) and a front view (c), and FIG. 4 is a plan view (a), a side view (b), and a front view (c) of the relay extraction tool.
Is.

1 to 4, reference numeral 1 denotes a socket, which has a bottom portion 3 in which a plurality of pins 2 are planted downward,
Locking pieces 4 that are integrally raised from both ends of the bottom portion 3
Consists of. The upper portion of each pin 2 is continuous with the pin hole 2a exposed on the upper surface of the bottom portion 3. Each locking piece 4 is formed in a U shape with its open side facing downward, and the holes 5 therein are continuous with the holes 6 formed at both ends of the bottom part 3. Each locking piece 4 has elasticity due to the characteristics of the molding material, and is provided with a locking projection 7 having an inclined surface 7a that spreads downward at the upper position inside the hole 5. Reference numeral 8 is a relay main body to be inserted into this socket 1, and has a pin 9 to be inserted into the pin hole 2a of the socket 1 at the bottom 8a, and both end faces 8b and 8c.
It has a rectangular locking groove 10 continuous from the top 8d. Reference numeral 11 is a relay extraction tool that is mounted on the relay main body 8 and is formed in a U shape composed of a ceiling surface 11a and both end surfaces 11b and 11c continuous downward on both sides of the ceiling surface 11a and both end surfaces 11b and 11c. Guide pieces 12 projecting inward from each other at a right angle, and an edge portion 13 at the lower end.
It has and. The inside dimension of the relay extracting tool 11 is formed to be slightly larger than the outside dimension of the relay body 8.

Next, the operation of the first embodiment will be described with reference to FIG. The socket 1 is previously fixed to the wiring board 14, and the relay main body 8 incorporated in the socket 1 is in a state in which the locking projections 7 of the socket 1 are engaged with the locking grooves 10. That is, the relay body 8
When pushing into the socket 1, the edge of the bottom portion 8 a pushes the locking projection 7 of the socket 1 to spread the locking piece 4, and at the lower end position of the locking groove 10, the locking piece 4 of the socket 1 is inserted. Elastically returns, and the locking projection 7 enters the locking groove 10 and engages. In this state, when the relay extraction tool 11 is pushed in so that the guide pieces 12 are fitted along the respective corners of the relay body 8, the edge portion 13 hits the inclined surface 7a of the locking projection 7 of the socket 1 and follows it. Then, the locking piece 4 is gradually expanded outwardly, and finally it is inserted between the locking piece 4 and both end surfaces of the relay main body 8 to release the locking mechanism of the locking groove 10 and the locking projection 7. To do. Therefore, by pulling up the relay main body 8 together with the relay extraction tool 11 in this state, the relay main body 8 can be easily pulled out from the socket 1.

(Second Embodiment) Next, a second embodiment of the present invention will be described with reference to FIG. The relay extracting tool in the second embodiment has a hooking piece which is locked to the bottom portion 8a of the relay main body 8 when the relay extracting tool 11 is attached to the relay main body 8 in the structure of the relay extracting tool of the first embodiment. 15 is added, and the other structure is the same as that of the first embodiment, and the duplicated description will be omitted. The hooking piece 15 is rotatably supported at a position near the ceiling surface 11a of both end surfaces 11b and 11c of the relay extracting tool 11 via a shaft 16 and a tip portion 15a is bent at a right angle. To form a hooking portion, and the base end portion 15b on the opposite side is bent into a V shape,
The hook is formed by bending at a right angle. The base end portion 15b is passed through the guide hole 18 of the fixture 17, and the entire hooking piece 15 is directed toward the inner side of each other by its own weight or by an urging spring provided on the shaft 16. It is urged to rotate. Therefore, when the fixture 17 is moved from the position indicated by the solid line to the position indicated by the chain line, the base portions 15b rotate so that they approach each other, and the tip portions 15a on the opposite side move away from each other.

Next, the operation of the second embodiment will be described with reference to FIG. First, the fixture 17 of the relay extraction tool 11 is lowered to the position of the chain line so that the tip end portion 15a of the hooking piece 15 is widened so that the attachment of the relay extraction tool 11 to the relay body 8 is not hindered. Next, the guide piece 12 of the relay extraction tool 11 is pushed along the corners of the relay body 8 so as to cover it, and the edge 1
Since 3 hits the inclined surface 7a of the locking projection 7 of the socket 1 and proceeds along with it, the locking piece 4 is gradually spread outward and finally enters between the locking piece 4 and both end surfaces of the relay body 8. Then, the lock mechanism of the locking groove 10 and the locking projection 7 is released. When the fixing tool 17 is pulled up to the position indicated by the solid line in this state, the hooking pieces 15 are rotated by the guide holes 18 so that the leading end portions 15a come close to each other, and the leading end portion 15 is moved.
a enters the lower side of the bottom 8a of the relay body 8 through the hole 6 (see FIG. 1) at the bottom of the socket 1 and is locked.
In this state, by holding the fixture 17 of the relay pulling tool 11 and pulling it up, the pin 9 of the relay main body 8 is detached from the pin hole 2a of the socket 1. At this time, if the relay extraction tool 11 is further pulled up in this state,
The tip portion 15a of the hooking piece 15 is the locking piece 4 of the socket 1.
Since the socket 1 is damaged by being caught on the upper part of the hole 5 (see FIG. 1) of the relay device, the fixing tool 17 is again lowered to the position of the chain line to move the tip portion 15a of the hooking piece 15 away from the socket 1 and then the relay extraction tool Pull out 11 together with the relay body 8 from the socket 1.

As described above, according to the second embodiment, when the relay extracting tool 11 is mounted on the relay body 8, the tip portion 15a of the hooking piece 15 is locked to the bottom portion 8a of the relay body 8. By lifting the relay extracting tool 11, the connection between the relay main body 8 and the socket 1 can be easily released, and the relay main body 8 can be easily pulled out from the socket 1.

(Third Embodiment) Next, a third embodiment of the present invention will be described with reference to FIG. The relay extracting tool according to the third embodiment is obtained by adding a stopper piece 19 for restricting a movement amount when the relay main body 8 is pulled out from the socket 1 to the configuration of the relay extracting tool according to the second embodiment. Since the configuration is the same as that of the second embodiment, duplicate description will be omitted. The stopper piece 19 is fixed to the tip end portion 15a of the hooking piece 15 so as to extend a predetermined amount therefrom, and the tip end portion 19a is bent at a right angle to form a hooking portion.

Next, the operation of the third embodiment will be described with reference to FIG. First, lower the fixture 17 of the relay extraction tool 11 to the position of the chain line, and widen the tip portions 15a, 19a of the hooking piece 15 and the stopper piece 19 so that the relay extraction tool 11 is not attached to the relay body 8. .. Next, when the guide piece 12 of the relay pulling tool 11 is pushed so as to cover the corners of the relay body 8 so as to cover it, the edge portion 13 hits the inclined surface 7a of the locking projection 7 of the socket 1 and advances along with it. So
Gradually push the locking piece 4 outward and finally enter between the locking piece 4 and both end surfaces of the relay body 8 to release the locking mechanism of the locking groove 10 and the locking projection 7. When the fixture 17 is pulled up to the position indicated by the solid line in this state, the guide hole 1
The hook pieces 15 are rotated by 8 so that the tip portions 15a approach each other, and the tip portions 15a enter into the lower side of the bottom portion 8a of the relay body 8 through the holes 6 in the bottom portion of the socket 1 and are locked, and The tip of 19
Since a penetrates between the pins 2 arranged in two rows on the lower side of the bottom portion 3 of the socket 1, in this state, hold the fixture 17 of the relay extraction tool 11, and hold the tip 19a of the stopper piece 19a.
Is pulled up until it hits the bottom portion 3 of the socket 1, the pin 9 of the relay body 8 is disengaged from the pin hole 2a of the socket 1, and the coupling between the relay body 8 and the socket 1 is released. Next, the fixture 17 is lowered again to the position indicated by the chain line, and the hooking piece 15 and the tip end portion 15a of the stopper piece 19,
19a are spread apart from each other, and the relay extracting tool 11 is pulled out from the socket 1 together with the relay main body 8.

As described above, according to the third embodiment, when the relay extracting tool 11 is mounted on the relay body 8, the tip portion 15a of the hooking piece 15 is locked to the bottom portion 8a of the relay body 8. Since the tip end portion 19a of the stopper piece 19 goes under the bottom portion 3 of the socket 1,
Connect the relay extraction tool 11 to the tip 1 of the stopper piece 19.
By lifting until 9a hits the bottom portion 3 of the socket 1, the connection between the relay body 8 and the socket 1 can be easily released without damaging the socket 1, and the relay body 8 can be easily pulled out from the socket 1.

[0020]

As apparent from the above embodiment, the present invention is inserted between the locking groove of the relay main body and the locking projection of the socket which constitutes the lock mechanism when mounted on the relay main body. Since it has an edge portion for releasing the engagement between the two, even relays arranged at high density can be easily pulled out from the socket.

According to the present invention, when it is mounted on the relay main body, the edge portion is inserted between the locking groove of the relay main body and the locking projection of the socket constituting the lock mechanism to release the engagement between the both. Since it has a section and a hooking piece that is locked to the bottom of the relay body, the connection between the relay body and the socket can be easily released, and even the relays arranged in high density can be easily pulled out from the socket. be able to.

According to the present invention, when it is mounted on the relay main body, the edge portion is inserted between the locking groove of the relay main body and the locking projection of the socket constituting the lock mechanism to release the engagement between the two. Since it has a part, a hook piece that is locked to the bottom of the relay body, and a stopper piece that regulates the amount of withdrawal, the connection between the relay body and the socket can be easily released without damaging the socket, Even relays arranged in high density can be easily pulled out from the socket.

[Brief description of drawings]

FIG. 1 is a perspective view of a socket, a relay body, and a relay extracting tool according to a first embodiment of the present invention.

2A is a plan view of a socket according to the first embodiment of the present invention, FIG. 2B is a side view of the socket according to the first embodiment of the present invention, and FIG. 2C is a front view of the socket according to the first embodiment of the present invention.

FIG. 3A is a plan view of a relay body according to the first embodiment of the present invention. FIG. 3B is a side view of the relay body according to the first embodiment of the present invention. FIG. 3C is a side view of the relay body according to the first embodiment of the present invention. Front view

FIG. 4 (a) is a plan view of the relay extracting tool according to the first embodiment of the present invention (b) is a side view of the relay extracting tool according to the first embodiment of the present invention (c) is the relay according to the first embodiment of the present invention Front view of extraction tool

FIG. 5 is a side view of a relay socket assembly and a relay extraction tool for explaining the operation of the first embodiment of the present invention.

6A is a plan view of a relay extracting tool according to a second embodiment of the present invention, FIG. 6B is a side view of a relay extracting tool according to a second embodiment of the present invention, and FIG. 6C is a relay according to a second embodiment of the present invention. Front view of extraction tool

FIG. 7 is a side view of a relay socket assembly and a relay extraction tool for explaining the operation of the second embodiment of the present invention.

FIG. 8 (a) is a plan view of a relay extracting tool according to a third embodiment of the present invention (b) is a side view of a relay extracting tool according to a third embodiment of the present invention (c) is a relay according to a third embodiment of the present invention Front view of extraction tool

FIG. 9 is a side view of a relay socket assembly and a relay extraction tool for explaining the operation of the third embodiment of the present invention.

[Explanation of symbols]

 1 Socket 2 Pin 3 Bottom 4 Locking Piece 5 Hole 6 Hole 7 Locking Protrusion 8 Relay Main Body 9 Pin 10 Locking Groove 11 Relay Extracting Tool 12 Guide Piece 13 Edge Edge 14 Wiring Board 15 Hooking Piece 16 Shaft 17 Fixing Tool 18 Guide hole 19 Stopper piece

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[Procedure amendment]

[Submission date] May 20, 1992

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 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hiroo Matsui 4-3-1 Tsunashima-higashi, Kohoku-ku, Yokohama-shi, Kanagawa Matsushita Communication Industrial Co., Ltd. (72) Inventor Sueyoshi Futsuki, Kohoku, Yokohama-shi, Kanagawa Matsushita Communication Industrial Co., Ltd.

Claims (3)

[Claims] 1. A locking groove of a relay body and a socket which are mounted on the relay body and are used for pulling out the relay body inserted in the socket from the socket, and which, when mounted on the relay body, constitute a locking mechanism. Relay extraction tool having an edge portion that is inserted between the locking projection of and to release the engagement between the two. 2. The locking groove and socket of the relay body, which is mounted on the relay body and is used to pull out the relay body inserted into the socket from the socket, and which constitutes a locking mechanism when mounted on the relay body. Relay extraction tool including an edge portion that is inserted between the locking projection and the engaging projection to release the engagement between the both, and a hooking piece that is locked to the bottom portion of the relay body. 3. The locking groove and socket of the relay main body, which is mounted on the relay main body and is used to pull out the relay main body inserted in the socket, and which constitutes a locking mechanism when mounted on the relay main body. Relay extraction tool that includes an edge portion that is inserted between the locking protrusion of the relay and that releases the engagement between the two, a hooking piece that is locked to the bottom of the relay body, and a stopper piece that controls the amount of pulling out. ..