JP2021035715A - Relay removing tool - Google Patents

Abstract

To provide a relay removing tool capable of easily removing a relay locked to a locking portion of a socket from a side part, from the socket.SOLUTION: A relay moving tool 1 includes a pair of rod bodies 3 rotatably supported each other by a supporting shaft 2, a pair of grip portions 4 provided on the base end side of the pair of rod bodies 3 and moving so as to approach each other to open/close the rod bodies 3, and a pair of holding arms 5 provided at the tip end sides of the pair of rod bodies 3 and closed so as to approach each other by the closing operation of the pair of grip portions 4 to hold a reply 100. A tip end portion of each holding arm 5 has an insertion expanding portion 52a inserted between the relay 100 and the locking portion 112 and expanding a clearance between the relay 100 and the locking portion 112. Each insertion expanding portion 52a forms a wedge shape inclined outward toward the rod body 3 side.SELECTED DRAWING: Figure 5

Description

The techniques disclosed herein belong to the technical field relating to relay removal tools.

Conventionally, a tool for removing a detachable relay attached to a socket from the socket has been known.

For example, in Patent Document 1, two arm portions facing each other are formed by forming a strip-shaped material having a spring property into a U shape, and convex portions projecting from the two opposing side surfaces of the relay at the ends of both arm portions. A relay extraction tool is disclosed in which a system entry hole for fitting is provided in a (projection), and a relay is pulled with the system entry hole fitted in the convex portion to remove the relay from the socket.

Further, Patent Document 2 discloses a plier-type relay removing tool in which a cushioning and friction sheet is provided inside a holding portion.

Utility Model Registration No. 3083023 Utility Model Registration No. 2545087

By the way, the socket is provided with a locking portion for locking the relay from the side in order to prevent the relay from coming off. In this way, if the locking portion of the socket is locked from the side of the relay, it is difficult to attach / detach the relay because the system entry hole cannot be fitted into the relay in the case described in Patent Document 1. Become. Further, in the case described in Patent Document 2, since the lock between the relay and the locking portion cannot be released, it is also difficult to attach / detach the relay.

The technique disclosed herein has been made in view of these points, and the purpose thereof is to easily remove a relay locked from the side to the locking portion of the socket from the socket. Is to provide a relay removal tool that can be used.

In order to solve the above problems, the technology disclosed here is intended for a relay removing tool that removes a relay attached to the socket by being locked to a locking portion of the socket from the side. A pair of rods rotatably supported by a support shaft, a pair of grips provided on the base end side of the pair of rods and moving so as to approach each other to open and close the rods, and the pair. A pair of holding arms provided on the tip side of the rod and capable of holding the relay by closing the pair of grips so as to approach each other by closing the pair of grips, and the tip of each holding arm is the relay. Each of the insertion expansion portions is inserted between the and the locking portion to expand the gap between the relay and the locking portion, and each of the insertion expansion portions faces the rod side. The structure is such that it forms a wedge shape that slopes outward.

According to this configuration, since the insertion expansion portion has a wedge shape, it can be easily inserted between the relay and the locking portion. After inserting the insertion expansion part, the holding arm is inserted between the relay and the locking part to expand the gap between the relay and the locking part, and the engagement between the relay and the locking part is expanded. The stopped state can be released. Then, if the relay is pinched and pulled by the pinching arm, the relay can be removed from the socket. Therefore, the relay can be easily removed from the socket.

In the relay removing tool, the side surface of the relay has a protrusion that engages with the locking portion of the socket, and each insertion extension has a housing that accommodates the protrusion of the relay. , May be the configuration.

According to this configuration, since the insertion expansion portion has the accommodating portion, the holding arm can be inserted as deeply as possible between the relay and the locking portion even if the relay has a protrusion. As a result, the gap between the relay and the locking portion can be widened as much as possible, and the relay can be easily removed from the socket. Further, since the protrusion is housed in the housing portion, it is possible to prevent the protrusion from being caught in the locking portion again when the relay is pulled out from the socket. This also makes it easier to remove the relay from the socket.

In the relay removing tool, each of the holding arms may have a non-slip portion on the inner side thereof.

According to this configuration, the holding arm is prevented from slipping when the relay is pulled out from the socket, so that the relay can be more easily removed from the socket.

In the relay removing tool, the pair of holding arms may be detachably attached to the pair of rods.

According to this configuration, the size of the holding arm can be changed according to the size of the socket, so that it can be used for various relays.

As described above, according to the technique disclosed herein, the insertion expansion portion expands the gap between the relay and the locking portion by inserting the holding arm between the relay and the locking portion. Then, the locked state of the relay and the locking portion can be released. Thereby, the relay locked from the side to the locking portion of the socket can be easily removed from the socket.

It is a perspective view of the relay removal tool which concerns on an exemplary embodiment. It is a front view of a relay removal tool. It is a side view of a relay removal tool. In the operation diagram of the relay removal tool, the state before the holding arm is inserted between the relay and the locking portion is shown. The left figure is a front view of the relay removal tool, and the right figure is the left. It is sectional drawing cut along the line AA of the figure. In the operation diagram of the relay removal tool, the holding arm is inserted between the relay and the locking portion. The left figure is a front view of the relay removal tool, and the right figure is the left figure. It is sectional drawing cut along the line BB of. In the operation diagram of the relay removal tool, it is a diagram showing a state in which the relay is removed from the socket, the left figure is a front view of the relay removal tool, and the right figure is cut along the CC line in the left figure. It is a cross-sectional view. It is a front view which shows the state which the relay is sandwiched by the sandwiching arm.

Hereinafter, exemplary embodiments will be described in detail with reference to the drawings.

FIG. 1 shows a relay removing tool 1 (hereinafter, simply referred to as a tool 1) according to the present embodiment. The tool 1 is a tool for pulling out a plug-in type relay 100 attached to a socket 110 provided in an automobile or the like from the socket 110.

In the present embodiment, as shown in FIG. 4, the relay 100 has a box shape and has protrusions 102 on two opposite side surfaces. On the other hand, the socket 110 has a locking portion 112 which is provided in the rectangular hole portion 111 and covers a part of the side surface of the relay 100. The relay 100 is in a state of being locked to the locking portion 112 by the two protrusions 102 entering the hole 111 of the locking portion 112. The tool 1 is used when the relay 100, which is laterally locked to the locking portion 112 of the socket 110, is removed from the socket 110 in this way.

The tool 1 has a pair of rods 3 rotatably supported by a support shaft 2 (see FIG. 2). Each rod 3 has a disk shape and is symmetrical with the boss portion 31 to which the support shaft 2 is attached, the connecting portion 32 connected to the grip portion 4 described later, and the connecting portion 32 centering on the support shaft 2. Each has a mounting portion 33 provided at a position where the pinching arm 5 becomes As shown in FIG. 2, the connecting portion 32 extends from a part of the circumferential direction of the boss portion 31 in the tangential direction of the boss portion 31. The mounting portion 33 extends from a position that is twice symmetrical with the connecting portion 32 toward the side opposite to the connecting portion 32. In the following description, the connecting portion 32 side is referred to as the base end side of the rod 3, and the mounting portion 33 side is referred to as the tip end side of the rod 3.

A pair of gripping portions 4 to be gripped by the user are provided on the base end side of the pair of rods 3. Each grip portion 4 is integrally formed with each connecting portion 32. That is, each grip portion 4 and each rod 3 are integrated. By opening and closing the grip portion 4, the pair of rods 3 are opened and closed (FIGS. 1 to 3 show a state closer to the closing side).

Each grip portion 4 has a substantially S shape. Specifically, each grip portion 4 is curved and extended so as to be separated from the base end of the connecting portion 32, then slightly curved so as to approach each other, and then curved so as to be separated from each other again at the end portion. Is doing. Each grip portion 4 is covered with a grip body 41 made of an elastomer or the like.

A pair of holding arms 5 capable of holding the relay 100 are provided on the tip side of the pair of rods 3. The holding arm 5 is opened and closed by opening and closing the grip portion 4 via the rod 3. Specifically, the grip portion 4 is closed so as to approach each other by the closing operation, while the grip portion 4 is opened so as to be separated from each other by the opening operation. The sandwiching arm 5 is adapted to sandwich the relay 100 when it is closed.

Each holding arm 5 includes an arm body 51, a claw portion 52 that is integrally configured with the arm body 51 and actually grips the relay 100, and a connecting rod 53 that is integrally configured with the arm body 51 and is connected to the mounting portion 33. And each. As shown in FIG. 2, the claw portion 52 extends from the arm main body 51 toward the tip end side, and the connecting rod 53 extends from the arm main body 51 toward the side opposite to the claw portion 52.

Each holding arm 5 is attached to an attachment portion 33 of each rod 3 by a connecting rod 53. Specifically, as shown in FIG. 2, each mounting portion 33 has an insertion hole 33a at the tip portion into which each connecting rod 53 is inserted. Each mounting portion 33 has a screw hole 33b on the side to which the potato screw 6 is fastened. In each holding arm 5, after the connection rod 53 is inserted into the insertion hole 33a of the mounting portion 33, the potato screw 6 is fastened to the screw hole 33b, and the connection rod 53 is inserted into the wall portion of the insertion hole 33a by the potato screw 6. By being pressed, it is attached to the attachment portion 33. On the contrary, when the potato screw 6 is loosened, each holding arm 5 can be removed from the mounting portion 33.

As shown in FIGS. 2 and 3, the claw portion 52 of each holding arm 5 has a flat plate shape. As shown in FIG. 7, the maximum thickness of the claw portion 52 is the same as the protruding amount of the protruding portion 102 of the relay 100 or slightly larger than the protruding amount of the protruding portion 102. As shown in FIG. 2, when the side on which the relay 100 is sandwiched is on the inside, the inner side surfaces of the claw portions 52 are configured to be parallel to each other when the holding arm 5 is slightly opened from the fully closed state. ing. As a result, as shown in FIG. 7, the relay 100 can be appropriately sandwiched.

The tip of each claw portion 52 has a wedge shape that is inclined outward toward the rod 3 side. The inclination angle of the outer surface of the tip portion with respect to the inner surface can be set according to the height of the locking portion 112 of the socket 110, and is set to, for example, 30 degrees to 45 degrees. The tip of each claw portion 52 is inserted between the relay 100 and the locking portion 112 in the work of removing the relay 100 from the socket 110 to expand the gap between the relay 100 and the locking portion 112. The built-in extension portion 52a is configured.

As shown in FIGS. 1 and 3, each insertion expansion portion 52a has a groove portion 52b recessed toward the rod 3 side. As will be described in detail later, the groove portion 52b constitutes an accommodating portion for accommodating the protrusion 102 of the relay 100. The groove width of the groove portion 52b is set to 1.5 to 2.0 times the width of the protrusion 102 of the relay 100. Further, the depth of the groove portion 52b is large enough to accommodate the entire protrusion 102, and is the same as the length of the insertion expansion portion 52a or slightly shorter than the length of the insertion expansion portion 52a.

A non-slip portion 52c is formed on the inner portion of each claw portion 52. The non-slip portion 52c is formed by digging a plurality of grooves adjacent to each other so as to form a jagged shape. As shown in FIG. 2, the non-slip portion 52c occupies a range of about one-third of the claw portion 52 in the longitudinal direction. By digging a groove to form the non-slip portion 52c in this way, it is possible to prevent each claw portion 52 from bulging inward. As a result, the entire inner portion of each claw portion 52 can be brought into contact with the side surface of the relay 100, and the relay 100 can be stably sandwiched.

Next, the process of removing the relay 100 attached to the socket 110 will be described with reference to FIGS. 4 to 6.

First, in the initial state, the relay 100 is in a state of being inserted into the socket 110. At this time, the protruding portion 102 of the relay 100 is in a state of being inserted into the hole portion 111 provided in the locking portion 112 of the socket 110.

From the above-mentioned initial state, as shown in FIG. 4, the inner side surface of the claw portion 52 is brought into contact with the side surface of the relay 100. At this time, the inner surface of the claw portion 52 is parallel to the side surface of the relay 100.

Next, from the state of FIG. 4, the tool 1 is moved toward the socket 110 while the claw portion 52 is aligned with the side surface of the relay 100. At this time, due to the wedge shape of the insertion expansion portion 52a, the insertion expansion portion 52a smoothly enters between the relay 100 and the locking portion 112. Then, the claw portion 52 is inserted until the protrusion 102 is accommodated in the groove portion 52b. As a result, as shown in FIG. 5, the gap between the relay 100 and the locking portion 112 is expanded by the claw portion 52. As a result, the locked state between the protrusion 102 and the locking portion 112 is released.

Then, from the state of FIG. 5, the grip portion 4 is gripped so as to be slightly closed. As a result, the relay 100 can be appropriately gripped by the claw portion 52. After that, the relay 100 is pulled to the side opposite to the socket 110. At this time, since the claw portion 52 is provided between the relay 100 and the locking portion 112 in the state where the protruding portion 102 is housed in the groove portion 52b, the protrusion 102 is prevented from being caught by the locking portion 112. As a result, as shown in FIG. 6, the relay 100 can be easily removed from the socket 110.

Therefore, in the present embodiment, the pair of rods 3 rotatably supported by the support shaft 2 and the pair of rods 3 are provided on the base end side of the pair of rods 3 and move so as to approach each other to open and close the rods 3. It is provided with a pair of gripping portions 4 and a pair of gripping arms 5 provided on the tip side of the pair of rods 3 and closed so as to approach each other by closing the pair of gripping portions 4 so that the relay 100 can be sandwiched. The tip of the arm 5 has an insertion expansion portion 52a that is inserted between the relay 100 and the locking portion 112 to expand the gap between the relay 100 and the locking portion 112. The 52a has a wedge shape that is inclined outward toward the rod 3 side. As a result, the insertion expansion portion 52a can be easily inserted between the relay 100 and the locking portion 112. After inserting the insertion expansion portion 52a, the claw portion 52 is inserted between the relay 100 and the locking portion 112 to expand the gap between the relay 100 and the locking portion 112, and the relay 100. And the locking portion 112 can be released from the locked state. Then, if the relay 100 is sandwiched and pulled by the claw portion 52, the relay 100 can be removed from the socket 110. Therefore, the relay 100 locked from the side to the locking portion 112 of the socket 110 can be easily removed from the socket 110.

Further, in the present embodiment, the side surface of the relay 100 has a protrusion 102 that engages with the locking portion of the socket 110, and the insertion expansion portion 52a has a groove portion 52b that accommodates the protrusion 102 of the relay 100. .. As a result, since the insertion expansion portion 52a has the groove portion 52b, even if the relay 100 has the protrusion 102, the holding arm 5 is inserted as deeply as possible between the relay 100 and the locking portion 112. Can be done. As a result, the gap between the relay 100 and the locking portion 112 can be widened as much as possible, and the relay 100 can be more easily removed from the socket 110.

Further, in the present embodiment, the holding arm 5 has a non-slip shape on the inner portion. As a result, the holding arm 5 is prevented from slipping when the relay 100 is pulled out from the socket 110. As a result, the relay 100 can be more easily removed from the socket 110.

Further, in the present embodiment, the holding arm 5 is detachably attached to the pair of rods 3. As a result, the size of the holding arm 5 can be changed according to the size of the socket 110, so that the tool 1 can be used for various relays 100.

The present invention is not limited to the above embodiment, and can be substituted within a range that does not deviate from the gist of the claims.

For example, in the above-described embodiment, the protrusion 102 is provided on the side surface of the relay 100, and the locking portion 112 of the socket 110 is provided with the hole 111 that engages with the protrusion 102. Not limited to this, for example, a recess may be provided on the side surface of the relay 100, and a protrusion that engages with the recess may be provided in the locking portion 112 of the socket 110. Further, the locking portion 112 of the socket 110 may have a claw portion that is hooked on a part of the upper surface of the relay 100.

Further, in the above-described embodiment, the non-slip portion 52c is formed by digging a groove in the inner portion of each claw portion 52. Not limited to this, a non-slip portion 52c may be formed by attaching a rubber material or the like to the inner portion of each claw portion 52. At this time, in order to prevent each claw portion 52 from partially bulging inward and reducing the contact area with the relay 100, a material as thin as possible is used, or the entire inner portion of each claw portion 52 is covered. It is preferable that they are pasted over.

Further, in the above-described embodiment, the rod body 3 and the holding arm 5 are detachably configured as separate bodies. Not limited to this, the rod 3 and the holding arm 5 may be integrally configured.

The above embodiments are merely examples, and the scope of the present invention should not be construed in a limited manner. The scope of the present invention is defined by the scope of claims, and all modifications and modifications belonging to the equivalent scope of the claims are within the scope of the present invention.

The present invention is useful as a relay removing tool for removing a relay attached to the socket by being locked to the locking portion of the socket from the side.

1 Relay removal tool
2 Support shaft
3 rod
4 Grip
5 Holding arm
52a Plug-in extension
52b Groove (accommodation)
52c Non-slip part
53 Connection rod
100 relay
102 protrusion
110 socket
111 hole
112 Locking part

Claims (4)

A relay removal tool that removes the relay attached to the socket by being locked to the locking portion of the socket from the side.
A pair of rods that are rotatably supported by a support shaft,
A pair of grips provided on the base end side of the pair of rods and moved so as to approach each other to open and close the rods.
A pair of holding arms provided on the tip side of the pair of rods and capable of holding the relay by closing the pair of grips so as to approach each other by a closing operation are provided.
The tip of each holding arm has an insertion expansion portion that is inserted between the relay and the locking portion to expand the gap between the relay and the locking portion.
Each of the insertion expansion portions is a relay removal tool characterized in that it has a wedge shape that is inclined outward toward the rod side. In the relay removing tool according to claim 1,
The side surface of the relay has a protrusion that engages with the locking portion of the socket.
A relay removing tool, wherein each of the insertion expansion portions has an accommodating portion for accommodating the protrusion of the relay. In the relay removing tool according to claim 1 or 2.
Each of the holding arms is a relay removing tool characterized by having a non-slip portion on the inner portion. In the relay removing tool according to any one of claims 1 to 3.
A relay removing tool characterized in that the pair of holding arms are detachably attached to the pair of rods.

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