JP2974848B2 - Relay removal tool - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a relay pulling tool for pulling a relay main body arranged on a wiring board at a high density 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 main body has a pin inserted into a pin hole of the socket for electrical continuity with the socket, and a locking groove of the relay main body and a locking projection of the socket so that the relay main body is not easily detached from the socket. Is provided. In order to pull out the relay body from the socket for replacement, the locking mechanism by the locking groove and the locking projection and the release of the connection between the relatively hard pin and the pin hole must be performed simultaneously. Since it is difficult to perform the drawing only by hand, the pulling-out was performed using several kinds of existing tools.

[0003]

However, when the relay main body is arranged on the wiring board at a high density in order to increase the mounting density, the space for inserting the tool is restricted. It was difficult to use and pull out the relay body from the socket.

An object of the present invention is to solve such a conventional problem, and an object of the present invention is to provide an excellent relay extracting tool capable of easily extracting a relay body arranged at high density from a socket. .

[0005]

SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, the present invention provides a relay device which can be easily mounted on a relay body.
A guide edge is provided at a corner, and an edge which is inserted between a locking groove of the relay main body and a locking projection of the socket to release the engagement between the locking groove and the socket when the relay piece is mounted on the relay main body. It is provided with a part.

The present invention also provides an edge which is inserted between a locking groove of a relay main body and a locking projection of a socket when the relay body is mounted on the relay main body to release the engagement between them. And a hook piece locked to the bottom of the relay main body.

[0007] The present invention also provides an edge which is inserted between a locking groove of a relay main body and a locking projection of a socket which constitutes a lock mechanism when the relay body is mounted on the relay main body, thereby releasing the engagement between the two. And a hook piece that is locked to the bottom of the relay body, and a stopper piece that regulates the amount of pull-out.

[0008]

Therefore, according to the present invention, the removal tool
By inserting it into the relay body according to the guide piece,
When the relay body is densely arranged on the wiring board
But the extraction tool can be easily integrated with the relay body
Can be In addition, when the extraction tool is attached to the relay body, the edge is inserted between the locking groove of the relay body and the locking projection of the socket to release the engagement between the two. By lifting together, the relay main body can be easily pulled out from the socket.

Further, according to the present invention, when the pull-out tool is mounted on the relay body, the hook piece is locked to the bottom of the relay body, so that when the pull-out tool is lifted, the hook piece is used by the hook piece. Is lifted, so that the relay main body can be easily pulled out of the socket.

Further, according to the present invention, when the extraction tool is mounted on the relay main body and lifted, the hook body lifts the relay main body and the stopper piece restricts the amount of movement. This prevents the socket from being damaged when it is damaged, and allows the relay body to be easily pulled out of the socket.

[0011]

【Example】

(First Embodiment) FIG. 1 is a perspective view of a socket, a relay body, and a relay extraction tool according to a first embodiment of the present invention. 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 (a) of the relay body,
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 a relay extracting tool.
It is.

1 to 4, reference numeral 1 denotes a socket, and a bottom 3 having a plurality of pins 2 planted downward.
Engagement pieces 4 rising integrally from both ends of the bottom 3
Consists of Each pin 2 is continuous with a pin hole 2 a whose upper part is exposed on the upper surface of the bottom part 3. Each locking piece 4 is formed in a U-shape with the open side facing downward, and the holes 5 therein are continuous with holes 6 formed at both ends of the bottom 3. Each locking piece 4 has elasticity due to the characteristics of the molding material, and has a locking projection 7 having an inclined surface 7a extending downward at an upper position inside the hole 5. Reference numeral 8 denotes a relay body to be inserted into the socket 1. The relay body 8 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.
Is provided with a rectangular locking groove 10 continuous from the top 8d. Reference numeral 11 denotes a relay pull-out tool mounted on the relay body 8, which is formed in a U-shape comprising a ceiling surface 11a and both end surfaces 11b, 11c continuing downward on both sides of the ceiling surface 11a. Guide pieces 12 projecting inward from each other at right angles, and lower edge portions 13
And The inside dimensions of the relay extraction tool 11 are formed slightly larger than the outer dimensions of the relay main body 8.

Next, the operation of the first embodiment will be described with reference to FIG. The socket 1 is fixed to the wiring board 14 in advance, and the relay main body 8 incorporated in the socket 1 is in a state in which the locking projection 7 of the socket 1 is engaged with the locking groove 10. That is, the relay body 8
When the locking piece 4 is inserted into the socket 1, the locking projection 4 of the socket 1 is pressed by the edge of the bottom 8 a to expand the locking piece 4, and the locking piece 4 of the socket 1 is positioned at the lower end position of the locking groove 10. Is elastically restored, and the locking projection 7 enters the locking groove 10 and engages. In this state, when the relay removing tool 11 is pushed in so as to cover the guide piece 12 along each corner of the relay main body 8, the edge 13 contacts the inclined surface 7 a of the locking projection 7 of the socket 1 and follows it. The locking piece 4 is gradually pushed outward and finally enters between the locking piece 4 and both end faces of the relay main body 8 to release the locking mechanism between the locking groove 10 and the locking projection 7. I do. Therefore, in this state, the relay main body 8 can be easily pulled out from the socket 1 by pulling up the relay main body 8 together with the relay extracting tool 11.

(Second Embodiment) Next, a second embodiment of the present invention will be described with reference to FIG. The relay pulling tool according to the second embodiment has the same structure as that of the relay pulling tool according to the first embodiment, except that the hook pulled into the bottom portion 8a of the relay main body 8 when the relay pulling tool 11 is mounted on the relay main body 8. 15 is added, and the other configuration is the same as that of the first embodiment. The hook piece 15 is rotatably supported at a position near the ceiling surface 11a of both end faces 11b and 11c of the relay removal tool 11 via a shaft 16 at an intermediate portion thereof, and the tip 15a is bent at a right angle. Hook portion is formed, and the opposite base end portion 15b is bent in a
It is bent at a right angle to form a hook. The proximal end 15b is passed through a guide hole 18 of the fixture 17, and the entire hook piece 15 is directed inwardly toward each other by its own weight or by an urging spring provided on the shaft 16. 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 dashed line, the base end portions 15b rotate so as to approach each other and the opposite end portions 15a move away from each other.

Next, the operation of the second embodiment will be described with reference to FIG. First, the fixing tool 17 of the relay extraction tool 11 is lowered to the position indicated by the dashed line, and the distal end portion 15a of the hook 15 is expanded so that the mounting of the relay extraction tool 11 to the relay body 8 is not hindered. Next, when the guide piece 12 of the relay extraction tool 11 is pushed in along with each corner of the relay main body 8, the edge 1
As the latch 3 hits the inclined surface 7a of the latching projection 7 of the socket 1 and proceeds along the same, the latching piece 4 is gradually pushed outward and finally enters between the latching piece 4 and both end faces of the relay body 8. Then, the locking mechanism between the locking groove 10 and the locking projection 7 is released. When the fixture 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 tips 15a approach each other.
a enters the lower side of the bottom 8a of the relay body 8 through the hole 6 (see FIG. 1) in the bottom of the socket 1 and is locked.
In this state, the pin 9 of the relay body 8 is disengaged from the pin hole 2a of the socket 1 by pulling up the fixture 17 of the relay extraction tool 11 while pulling it up. At this time, if the relay extraction tool 11 is further raised in this state,
The tip 15a of the hooking piece 15 is the locking piece 4 of the socket 1.
Since the socket 1 is caught on the upper part of the hole 5 (see FIG. 1), the socket 17 is damaged. 11 is pulled out from the socket 1 together with the relay body 8.

As described above, according to the second embodiment, when the relay extracting tool 11 is mounted on the relay main body 8, the tip 15a of the hook piece 15 is locked to the bottom 8a of the relay main body 8. By lifting the relay extraction 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 regulating a moving amount when the relay main body 8 is extracted from the socket 1 to the configuration of the relay extracting tool according to the second embodiment. Is the same as that of the above-described second embodiment, and a duplicate description will be omitted. The stopper piece 19 is fixed to the tip 15a of the hook piece 15 so as to extend therefrom by a predetermined amount, and the tip 19a is bent at a right angle to form a hook.

Next, the operation of the third embodiment will be described with reference to FIG. First, the fixing tool 17 of the relay extraction tool 11 is lowered to the position indicated by the dashed line, and the tips 15a, 19a of the hook piece 15 and the stopper piece 19 are expanded so that the mounting of the relay extraction tool 11 to the relay body 8 is not hindered. . Next, when the guide piece 12 of the relay extracting tool 11 is pushed in along with each corner of the relay main body 8, the edge 13 hits the inclined surface 7 a of the locking projection 7 of the socket 1 and proceeds along the same. So
The locking piece 4 is gradually pushed outward and finally enters between the locking piece 4 and both end faces of the relay body 8 to release the locking mechanism between 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
8, the hook pieces 15 rotate so that the tip portions 15a approach each other, and the tip portions 15a enter the lower side of the bottom portion 8a of the relay main body 8 through the holes 6 in the bottom portion of the socket 1 and are locked. 19 tip 19
a sinks into the two rows of pins 2 below the bottom 3 of the socket 1, and in this state, holding the fixture 17 of the relay removal tool 11, the tip 19 a of the stopper piece 19 is held.
Is pulled up until it hits the bottom 3 of the socket 1, the pins 9 of the relay body 8 are disengaged from the pin holes 2 a of the socket 1, and the connection between the relay body 8 and the socket 1 is released. Next, the fixture 17 is again lowered to the position indicated by the dashed line, and the tip 15a of the hooking piece 15 and the stopper piece 19,
19a are spread apart from each other, and the relay extraction tool 11 is extracted together with the relay main body 8 from the socket 1.

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

[0020]

According to the present invention, as is apparent from the above-described embodiment, the four corners of the extraction tool can be inserted into the relay body.
Since the guide piece is provided, the relay body is densely mounted on the wiring board.
The extraction tool even if it is
It can be easily integrated by attaching to the body. In addition, since it has an edge which is inserted between the locking groove of the relay main body and the locking protrusion of the socket when the relay is mounted on the relay main body, the engagement between the locking groove and the socket is released. Even relays arranged at high density can be easily pulled out of the socket.

According to the present invention, there is provided an edge which is inserted between a locking groove of a relay main body and a locking projection of a socket when the relay body is mounted on the relay main body to release the engagement between them. Part and a hook that is locked to the bottom of the relay body, so that the connection between the relay body and the socket can be easily released, and even the relays arranged at high density can be easily pulled out of the socket. be able to.

The present invention also provides an edge which is inserted between a locking groove of a relay main body and a locking projection of a socket when the relay body is mounted on the relay main body to release the engagement between them. Part, a hook piece locked to the bottom of the relay body, and a stopper piece that regulates the amount of withdrawal, so that the connection between the relay body and the socket can be easily released without damaging the socket, Even a densely arranged relay can be easily pulled out of the socket.

[Brief description of the drawings]

FIG. 1 is a perspective view of a socket, a relay main 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. 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 main body according to the first embodiment of the present invention. FIG. 3B is a side view of the relay main body according to the first embodiment of the present invention. Front view

FIG. 4A is a plan view of a relay extracting tool according to the first embodiment of the present invention. FIG. 4B is a side view of the relay extracting tool according to the first embodiment of the present invention. FIG. 4C is a relay according to the first embodiment of the present invention. Front view of extraction tool

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

FIG. 6 (a) is a plan view of a relay extracting tool according to a second embodiment of the present invention. (B) a side view of a relay extracting tool according to a second embodiment of the present invention. (C) 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 extracting tool for explaining the operation of the second embodiment of the present invention.

8A is a plan view of a relay extracting tool according to a third embodiment of the present invention. FIG. 8B is a side view of a relay extracting tool according to a third embodiment of the present invention. FIG. 8C 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]

 DESCRIPTION OF SYMBOLS 1 Socket 2 Pin 3 Bottom 4 Locking piece 5 Hole 6 Hole 7 Locking projection 8 Relay body 9 Pin 10 Locking groove 11 Relay removal tool 12 Guide piece 13 Edge end 14 Wiring board 15 Hook piece 16 Shaft 17 Fixing tool 18 Guide hole 19 Stopper piece

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Hiroo Matsui 4-1, Tsunashimahigashi 4-chome, Kohoku-ku, Yokohama-shi, Kanagawa Prefecture Inside Matsushita Communication Industrial Co., Ltd. (72) Inventor Fuyoshi Sueyoshi Kohoku, Yokohama-shi, Kanagawa Prefecture 4-3-1 Tsunashima-ku, Ward, Matsushita Communication Industrial Co., Ltd. (56) References Japanese Utility Model Sho-59-177247 (JP, U) Japanese Utility Model Hei 4-51374 (JP, U) (58) Fields surveyed (Int) .Cl. ⁶ , DB name) B25B 27/14 H05K 13/00

Claims (3)

(57) [Claims] 1. A socket attached to a wiring board.
Remove the detachable relay body from the socket
A tool for pulling out the socket, wherein the socket is
Tilt rising from the end and spreading downwards inside the upper part
A relay body including a pair of locking projections having a slope;
Engages with the locking projections of the pair of sockets on both end surfaces.
The pull-out tool has a ceiling surface and the
Formed in a U-shape consisting of both end faces along the end faces of the relay body
From both sides of each end face inward toward each other.
With a guide piece projecting at the corner, the removal tool is
Push the guide piece along each corner of the relay body
As a result, the lower edges of both end faces are
Between the locking claw of the relay and the locking groove of the relay body.
A relay extraction tool , characterized in that the engagement is released with a relay. 2. The lower part is inside the outer surface of both ends of the drawing tool.
Rotate a pair of hook pieces with bent parts bent to the side
And press the extraction tool against the relay body.
With the pair of hooking pieces in the
By rotating the lower bent portion,
Specially, enter between the bottom of the relay body and the socket.
The relay extraction tool according to claim 1, wherein 3. The pulling tool is rotatable outwardly at both end faces.
Fold the lower part inward at the lower end of the hook piece provided
A pair of stopper pieces having a bent part are provided integrally,
State in which the extraction tool is pushed into the relay body
Then, the pair of stopper pieces are pivoted inward to each other.
By making each lower bent part the socket
Between the two rows of pins on either side of the bottom of the
3. The relay extraction tool according to claim 2, wherein: