JP2000270442A - Electric junction box and method for removing electric components - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electric junction box which allows electric components to be easily removed from its attached section. SOLUTION: A recessed section 12 is provided on one external side face of the main body case 11 of an electric junction box and an attaching section 1 for attaching electric components 20 is erected on the bottom of the recessed section 12. A locking member 15 is provided deformably on the side face of the attaching section 13, and the pressing section 15b of the locking member 15 is arranged in the recessed section 12. Engagement and disengagement of the engaging section 15a of the locking member 15 with and from the section 20a to be engaged of the parts 20 are performed by using, for example, a long jig. Namely, when the pressing section 15b is pressed against the jig, the section 15b is pushed onto an unlocking position from a locking position.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric connection box and a method for removing an electric component.

[0002]

2. Description of the Related Art As shown in FIGS. 5A and 5B, a mounting block 71 is provided upright on an upper surface of a main body case 70. FIG. A relay 72 as an electric component is detachably mounted on the mounting block 71. At the upper end of the side surface of the mounting block 71, a locking piece 74 extending along the vertical direction is provided rotatably about the upper end. An engagement portion 74a is formed at the center of the locking piece 74.
The engaging portion 74a is engageable with an engaged portion 72a formed at the lower end of the relay 72. This engagement locks the relay 72 with respect to the mounting block 71.

[0003] The relay 72 attached to the attachment block 71 is removed as follows. That is,
The pressing part 74b formed at the tip of the locking piece 74 is shown in FIG.
From the locked position shown in FIG. 5A, a pressing operation is performed with the tip of a finger to the unlocked position shown in FIG. Then, the locking piece 74
Is disengaged from the engaged portion 72a provided on the relay 72, and the relay 72 can be removed from the mounting block 71.

[0004]

However, in the conventional electric junction box, only a small space is secured between the relay 72 having the pressing portion 74b and the upper surface of the main body case 70 so that the tip of a finger can be slightly inserted. It has not been. Therefore, there is a problem that it is difficult to press the pressing portion 74b of the locking piece 74. Further, there is also a problem that the locking piece 74 cannot be rotated unless the finger is pressed to press the pressing portion 74b.

[0005] The present invention has been made in view of the above problems, and an object of the present invention is to provide an electric connection box and a method for removing an electric component that can easily remove an electric component from a mounting portion. .

[0006]

In order to solve the above-mentioned problems, according to the first aspect of the present invention, a mounting portion for mounting an electric component on a main body case is provided upright, and a side portion of the mounting portion is provided. A locking member is displaceably provided, and a pressing portion of the locking member is pressed from a lock position to a lock release position, whereby an engaging portion provided on the locking member and an engaged portion provided on the electric component are provided. In the electrical junction box configured to release the engagement with the mating portion, a concave portion is provided on an outer surface of the main body case, the mounting portion is disposed on a bottom surface of the concave portion, and a pressing portion of the locking member is formed in the concave portion. The gist is that it is placed inside.

According to the second aspect of the present invention, a mounting portion for mounting an electric component is erected on the main body case, and a locking member is displaceably provided on a side portion of the mounting portion, and the pressing of the locking member is performed. An electric connection box configured to release the engagement between the engaging portion provided on the locking member and the engaged portion provided on the electric component by pressing the portion from the lock position to the unlock position. In the invention, a gist is provided in the vicinity of the locking member, wherein a protruding portion facing the pressing portion of the locking member is provided on the outer surface of the main body case.

According to a third aspect of the present invention, in the method for removing an electrical component used in the electrical junction box according to the first aspect, the distal end of the long jig is provided in a concave portion provided on an outer surface of the main body case. Inserting the end of the long jig into contact with the pressing portion of the locking member, a part of the long jig is in contact with the opening edge of the recess, and the long jig is By rotating the opening portion of the concave portion as a fulcrum, the pressing portion of the locking member is pressed toward the mounting portion, and the locking member is operated from the locked position to the unlocked position by this pressing. The gist is that they did.

The "action" of the present invention will be described below. According to the first aspect of the present invention, for example, a distal end portion such as a long jig is inserted into the concave portion provided on the outer surface of the main body case. Then, the tip of the long jig is brought into contact with the pressing portion of the locking member, and a part of the long jig is brought into contact with the opening edge of the concave portion. When the long jig is rotated around the opening edge of the concave portion in this state, the pressing portion of the locking member is pressed toward the mounting portion. By this pressing, the locking member is operated from the locked position to the unlocked position, and the engagement between the engaging portion provided on the locking member and the engaged portion provided on the electric component is released.
Therefore, when rotating the long jig or the like, the opening edge of the concave portion can be made to function as a rotation fulcrum of the long jig. As a result, if a long jig or the like is used, it is possible to easily remove the electric component from the mounting portion according to the principle of leverage.

According to the second aspect of the present invention, the tip of the long jig is brought into contact with the pressing portion of the locking member, and a part of the long jig is brought into contact with the tip of the projection. . In this state, when the long jig is rotated around the tip of the projection, the pressing portion of the locking member is pressed toward the mounting portion. By this pressing, the locking member is operated from the locked position to the unlocked position, and the engagement between the engaging portion provided on the locking member and the engaged portion provided on the electric component is released. Therefore, when rotating the long jig or the like, it is possible to make the tip end of the protrusion function as a rotation fulcrum of the long jig. As a result, if a long jig or the like is used, it is possible to easily remove the electric component from the mounting portion according to the principle of leverage.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS (First Embodiment) Hereinafter, a first embodiment of the present invention will be described in detail with reference to the drawings.

As shown in FIGS. 1 (a), 1 (b) and 2,
A rectangular recess 12 is formed on the upper surface (outer surface) of the body case 11. A mounting block 13 as a mounting portion made of synthetic resin is provided upright on the bottom surface of the concave portion 12.
The part extending from the center of the mounting block 13 to the upper end is:
It protrudes outward from the opening of the recess 12. A relay terminal (not shown) is built in the mounting block 13. The relay terminal is connected to a bus bar (not shown) provided in the main body case 11.

On the side of the mounting block 13, a locking piece 15 is provided as a locking member. The upper half (portion from the base end to the center) of the locking piece 15 extends in the up-down direction in FIG. 1, that is, substantially parallel to the mounting block 13.
Further, the lower half of the locking piece 15 extends so as to be slightly inclined to the side separated from the mounting block 13. The locking piece 15 is made of synthetic resin, and its upper end is formed integrally with the upper end of the side surface of the mounting block 13. And the locking piece 15
Can rotate about its upper end. That is, the tip of the locking piece 15 approaches or separates from the mounting block 13 with its own rotation operation.

The locking piece 15 has a pair of notches 16a,
16b is formed to extend in the vertical direction.
The portion of the locking piece 15 located between the notches 16a and 16b is an engaging portion 15a. Locking piece 1
The distal end of 5 is a pressing portion 15b against which the distal end of a driver 17 as a long jig shown in FIG. 1 is pressed. The pressing portion 15b is arranged in the concave portion 12 and is located at a position lower than the opening edge of the concave portion 12. Also, the pressing portion 15b
Project outside the outer surface of the relay 20 described later. A gap S between the pressing portion 15b and the side wall 12a of the concave portion 12 in which the tip of the driver 17 can be inserted.
Are formed.

On the upper part of the mounting block 13, a relay 20 as an electric component is detachably mounted. Relay 2
0, an insertion recess 21 is formed on the lower surface thereof.
1 is fitted on the upper part of the mounting block 13. At a part of the opening edge of the insertion recess 21, an engaged portion 20 a protrudes toward the inside of the insertion recess 21. The engaged portion 20a is engaged with the lower cutout portion 16b, so that the engaged portion 20a and the engaging portion 15a are engaged with each other.

The removal of the relay 20 used in the electric junction box constructed as described above is performed as follows. FIG.
As shown in (a), a concave portion 1 formed in a main body case 11 is formed.
2, the tip of the driver 17 is inserted. Specifically, the tip of the driver 17 is inserted into a gap S formed between the pressing portion 15b and the side wall 12a of the concave portion 12. Then, the tip of the driver 17 is fixed to the locking piece 15.
To the pressing portion 15b. At the same time, the portion of the driver 17 closer to the base end side than the distal end portion is brought into contact with the opening edge of the recess 12.

Subsequently, as shown in FIG. 1B, the driver 17 is rotated counterclockwise about the opening edge of the recess 12 as a fulcrum. Then, the pressing portion 15 b of the locking piece 15 is pressed toward the mounting block 13. By this pressing, the locking piece 15 is moved from the locked position shown in FIG.
Is rotated to the unlock position shown in FIG. As a result, the engagement between the engaging portion 15a provided on the locking piece 15 and the engaged portion 20a provided on the relay 20 is released. Then, while keeping this state, the relay 20 is removed from the insertion recess 21.

Therefore, according to the present embodiment, the following effects can be obtained. (1) The mounting block 1 for connecting the relay 20 is provided on the bottom surface of the concave portion 12 formed on the outer surface of the main body case 11.
3 are arranged. Further, a pressing portion 15b of the locking piece 15 is disposed in the concave portion 12. Therefore, driver 1
When the relay 20 is removed by using the 7 or the like, the distal end thereof can be brought into contact with the pressing portion 15b, and the portion closer to the base end side than the distal end can be brought into contact with the opening edge of the concave portion 12. Therefore, when the driver 17 is rotated, the opening edge of the concave portion 12 can function as a rotation fulcrum of the driver 17. As a result, if the driver 17 is used, the relay 20 is attached to the mounting block 1 by the lever principle.
3 can be easily removed.

(2) When the relay 20 is mounted on the mounting block 13, the pressing portion 15b of the locking piece 15
The relay 20 is located outside the outer surface. Therefore, the pressing portion 15b can be easily visually recognized.

(3) A gap S is formed between the pressing portion 15b and the side wall 12a of the concave portion 12. For this reason, when removing the relay 20, it becomes easy to insert the tip of the driver 17 into the recess 12. At the same time, before rotating the driver 17, the driver 1
7 can be inclined to some extent (FIG. 1).
(State shown in (a)). Therefore, the driver 17 can be easily turned.

(Second Embodiment) Next, a second embodiment of the present invention will be described focusing on parts different from the first embodiment.

As shown in FIGS. 3A, 3B and 4,
The recess 12 is not formed in the main body case 11, and the mounting block 13 is provided upright on the upper surface of the main body case 11.
A protruding piece 30 is formed on the upper surface (outer side) of the main body case 11 near the locking piece 15. The protruding piece 30 is disposed so as to face the pressing portion 15 b of the locking piece 15. In the present embodiment, the protruding piece 30 is separated from the pressing portion 15b by about 5 mm. And
The tip of the protruding piece 30 is located at a position lower than the lower end of the relay 20 mounted on the mounting block 13. Further, the pressing portion 15b is located at a position lower than the tip (top) of the protruding piece 30.

In the present embodiment, the relay 20 is removed from the mounting block 13 as follows. FIG.
As shown in (a), the tip of the driver 17 is inserted between the pressing portion 15b and the projecting piece 30 from above the projecting piece 30. Then, the tip of the driver 17 is fixed to the locking piece 15.
To the pressing portion 15b. At the same time, the base end of the driver 17 is brought into contact with the distal end of the protruding piece 30 rather than the distal end. Subsequently, as shown in FIG. 3B, the driver 17 is rotated counterclockwise around the tip of the projecting piece 30 as a fulcrum. The subsequent operation is the same as in the first embodiment, and a description thereof will be omitted.

Accordingly, in the second embodiment, a protruding piece 30 facing the pressing portion 15b is formed on the upper surface of the main body case 11 near the locking piece 15. For this reason, when removing the relay 20 using the driver 17 or the like, the distal end thereof is brought into contact with the pressing portion 15b, and the portion closer to the base end side than the distal end is brought into contact with the distal end of the protruding piece 30. Can be done. For this reason, when rotating the driver 17, the tip of the protruding piece 30 can function as a rotation fulcrum of the driver 17. As a result, similarly to the first embodiment, the relay 20 can be easily removed from the mounting block 13 by using the driver 17 according to the leverage principle.

The embodiment of the present invention may be modified as follows. As another example of the first and second embodiments, in addition to the relay 20, an electrical component such as a connector or a fusible link may be removed.

As another example of the first and second embodiments,
The relay 20 may be removed using a long jig other than the screwdriver 17. -In 1st and 2nd embodiment, it is the locking piece 15 extended in the up-down direction. In addition, it is also possible to embody the locking piece 15 extending in the horizontal direction.

The projecting piece 30 may not be formed integrally with the upper surface of the main body case 11 as in the second embodiment. For example, the protruding piece 30 formed as a separate body
May be adopted in the main body case 11.

Next, in addition to the technical ideas described in the claims, the technical ideas grasped by the above-described embodiments will be listed below together with their effects. (1) In the method for removing an electric component used in an electric connection box according to claim 2, a tip of a long jig is brought into contact with a pressing portion of the locking member and a part of the long jig. Abutting against the tip of the protrusion provided on the main body case, and rotating the long jig with the tip of the protrusion as a fulcrum, thereby attaching the pressing portion of the locking member to the mounting portion. A method for removing an electric component, wherein the electrical component is pressed toward the locking portion and the locking member is operated from the locked position to the unlocked position by the pressing. According to this method, the electric component can be easily removed from the mounting portion.

(2) The electrical component according to (1) or (2), wherein the electric component is a relay having an engagement recess, and the electric component is attached to the attachment portion by fitting the engagement recess to the attachment portion. Connection box.

(3) The electric connection box according to (1) or (2), wherein the locking member is rotatable around a tip end of a mounting portion. (4) The electric connection box according to claim 2, wherein the protrusion has a flaky shape. According to this configuration, the electric component can be easily removed from the mounting portion using the long jig or the like, despite the simple configuration.

[0031]

As described in detail above, according to the first to third aspects of the present invention, the electric component can be easily removed from the mounting portion.

[Brief description of the drawings]

1A and 1B show a first embodiment, in which FIG. 1A is a cross-sectional view in which a locking piece is at a lock position, and FIG. 1B is a cross-sectional view in which the locking piece is at a lock release position.

FIG. 2 is a perspective view showing a state where a relay is removed from a mounting block.

3A and 3B show a second embodiment, in which FIG. 3A is a cross-sectional view in which a locking piece is at a lock position, and FIG. 3B is a cross-sectional view in which the locking piece is at a lock release position.

FIG. 4 is a perspective view showing a state where a relay is removed from a mounting block.

FIG. 5 is a cross-sectional view showing a conventional technique and showing a procedure for removing a relay.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 11 ... body case, 12 ... recessed part, 13 ... mounting block (mounting part), 15 ... locking piece (locking member), 15a ... engaging part, 15b ... pressing part, 20 ... relay (electric part), 20
a: engaged portion, 30: protrusion (projection).

Claims (3)

[Claims] 1. A mounting portion for mounting an electric component on a main body case is erected, a locking member is displaceably provided on a side surface of the mounting portion, and a pressing portion of the locking member is moved from a locked position to a unlocked position. An outer surface of the main body case in an electric connection box configured to release the engagement between the engaging portion provided on the locking member and the engaged portion provided on the electric component by pressing the main body case. An electrical connection box in which a recess is provided, and the mounting portion is provided upright on a bottom surface of the recess, and the pressing portion is disposed in the recess. 2. A mounting portion for mounting an electric component on a main body case is provided upright, a locking member is displaceably provided on a side surface of the mounting portion, and a pressing portion of the locking member is moved from a locked position to a unlocked position. An electric connection box configured to release the engagement between the engaging portion provided on the locking member and the engaged portion provided on the electric component by pressing the portion near the locking member. The electrical junction box according to claim 1, wherein a protrusion facing the pressing portion is provided on an outer surface of the main body case. 3. The method for removing an electric component used in an electric junction box according to claim 1, wherein a tip of a long jig is inserted into a concave portion provided on an outer surface of the main body case. Contacting the tip of the tool with the pressing portion, contacting a part of the long jig with the opening edge of the recess, and rotating the long jig with the opening edge as a fulcrum. The pressing portion is pressed toward the mounting portion, and the pressing causes the locking member to be operated from the locked position to the unlocked position.