JP2001204121A - Electrical connection box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electrical connection box which absorbs stress without being damaged, and can be fitted easily and certainly. SOLUTION: The split bodies 12, 13 of the connection box are coupled through the medium of coupling units 15, 16, on the sides of mutually adjoining surfaces. The coupling units 15, 16 are composed of coupling cylinders 19, 24 which the split body 12 has, and coupling bodies to be inserted 20, 25 which the split body 13 has. The coupling cylinders 19, 24 and the coupling bodies 20, 25 are supported with spring clips 21, 26. Consequently, it is possible to absorb stress applied to the electrical connection box 11, and perform fitting easily and surely, since the spring clips 21, 26 allow vertical relative movement between the coupling cylinders 19, 24 and the coupling bodies 20, 25 and support them.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric junction box, and more particularly, to an electric junction box used as a relay box for a vehicle.

[0002]

2. Description of the Related Art Conventionally, there is a relay box 1 for a vehicle as shown in FIGS. 7 and 8 as an electric connection box. In the relay box 1, various electric components including a relay are mounted on a box body 2 made of an electrically insulating synthetic resin. Brackets 3 and 4 are provided at both front and rear ends of the box body 2 as shown in FIG. On one bracket 3, a bolt insertion hole 6 having a diameter longer than the diameter of the bolt 5 (see FIG. 8) to be inserted is formed. A reference hole 7 is formed on one side of both sides of the other bracket 4, and a long hole 8 is formed on the other side. As shown in FIG. 8, such a relay box 1 is fixed to the body side members 9, 10 by tightening bolts with brackets 3, 4 at both front and rear ends.

[0003] In such a relay box 1, as shown by an arrow in FIG. 7, stress caused by displacement between the vehicle longitudinal direction L and the vehicle width direction W is absorbed by the clearances of the bolt insertion holes 6 and the long holes 8. It has become.

[0004]

However, in the above-mentioned conventional relay box 1, it is not possible to absorb the stress generated when the vertical direction H shown by the arrow in FIG. When the deflection of the relay box 1 becomes excessive, the relay box 1 may be damaged.

Accordingly, an object of the present invention is to provide an electric junction box that can absorb stress without being damaged and can be easily and reliably mounted.

[0006]

According to the first aspect of the present invention,
A plurality of junction box divided bodies are connected to each other via a coupling part adjacent to each other, and both ends are supported on the vehicle body side to be erected. The coupling part is such that the divided bodies are tertiary. It is characterized in that relative movement in at least one of the original directions is allowed.

According to the first aspect of the present invention, since the divided bodies can move relative to each other in at least one of the three-dimensional directions, the relative movement absorbs the stress applied to the electric junction box. Damage to the electrical junction box can be prevented. In addition, by absorbing the stress in this manner, attachment to the vehicle body becomes easy and reliable.

According to a second aspect of the present invention, there is provided the electrical junction box according to the first aspect, wherein the coupling portion includes a coupling cylinder provided in one of the adjacent junction box divided bodies.
The other connecting box divided body is a coupling fitting body fitted to the coupling cylinder, and the coupling cylinder and the coupling fitting body are supported by a spring clip. It is characterized by the following.

Therefore, in the invention according to claim 2, in addition to the effect of the invention according to claim 1, the connection box divided bodies are fitted in the fitting direction by fitting the fitting body into the connecting cylinder. Relative movement is possible. Further, by supporting the coupling cylinder and the coupling-fitted body with the spring clip, the relative movement can be absorbed by deformation of the spring clip. Furthermore, since the spring clip has resilience, when the mounting position on the vehicle body side and the position of the junction box split body are adjusted, the displacement of the spring clip can be absorbed by the deformation of the spring clip. It can be supported so as not to be separated from the mating body for coupling.

[0010] Further, the invention according to claim 3 is based on claim 2.
The electrical connection box according to claim 1, wherein the coupling cylinder and the coupling fitting body are vertically fitted to each other, and the coupling fitting body is horizontally movable in the coupling cylinder body. It is characterized by the following. The invention according to claim 4 is the electric connection box according to claim 3, wherein a clearance is set between an inner surface of the coupling cylinder and an outer surface of the coupling fitting body. It is characterized by the following.

According to the third aspect of the present invention, in addition to the operation of the second aspect of the present invention, the coupling cylinder and the coupling fitting body are fitted in the up-down direction. The members can move vertically relative to each other. Further, since the coupling target body can be moved in the horizontal direction in the coupling cylinder body, that is, the coupling cylinder body and the coupling target body are loosely fitted via the clearance as in the invention of claim 4. By doing so, the coupling cylinder and the coupling fitting target body can relatively move in the horizontal direction, so that the horizontal position can be adjusted. Therefore, according to the third and fourth aspects of the present invention, the electric connection box can be easily attached to the vehicle body.

According to a fifth aspect of the present invention, there is provided the electrical junction box according to any one of the second to fourth aspects, wherein the spring clip is connected to an end of the coupling cylinder. It is characterized in that it is hung on the end of the fitted body.

Therefore, the invention according to claim 5 has, in addition to the functions of the inventions according to claims 2 to 4, a spring clip provided between the end of the coupling cylinder and the end of the coupling fitting object. Therefore, the spring clip allows the relative movement in the vertical direction between the coupling cylindrical body and the coupling fitting target body, and both can be easily and reliably supported by the spring clip.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The details of an electric junction box according to the present invention will be described below with reference to the embodiments shown in FIGS.
1 is a plan view of the electric junction box of the present embodiment, FIG. 2 is a side view of the same, FIG. 3 is an explanatory side view showing a method of connecting the electric junction box, FIG. 5 is a sectional view taken along line BB of FIG. 1, and FIG. 6 is a sectional view taken along line CC of FIG.

As shown in FIGS. 1 to 3, the electric junction box 11 of the present embodiment is divided into two junction box divisions (blocks) 12 and 13 at a substantially central position. Each of the junction box divisions 12 and 13 is formed of an electrically insulating synthetic resin, and various electric components 14 are mounted and mounted on the upper surface as shown in FIG.

Then, these junction box divided bodies 12, 13
Are connected by connecting portions 15 and 16 provided on both sides of the mating surface in the vehicle width direction W. A bracket 17 protrudes forward in the vehicle front-rear direction L on a surface (front side) opposite to the mating surface of the connection box divided bodies 12. On the other hand, a bracket 18 protrudes rearward in the vehicle front-rear direction L on a surface (rear side) opposite to the mating surface of the junction box split body 13.

Here, the structure of the coupling portions 15 and 16 will be described. The coupling portion 15 includes a coupling cylinder 19 provided on the connection box divided body 12 disposed on the front side of the vehicle body and a coupling fitting body provided on the connection box divided body 13 disposed on the rear side of the vehicle body. 20 and a spring clip 21. As shown in FIGS. 4 and 5, the connecting cylinder 19 has a tubular shape with an upper part closed, and is integrally provided on the junction box divided body 12 via the coupling bracket 22 as shown in FIG. 5. I have. As shown in FIG. 4 and FIG. 5, the coupling fitting target body 20 is provided integrally with the junction box divided body 13 via the coupling bracket 23. The upper part of the coupling target body 20 is provided so as to protrude upward from the coupling bracket 23 so as to be inserted and fitted from the lower opening of the coupling cylinder 19.

The outer dimensions of the coupling fitting body 20 are determined by the inner diameter of the coupling cylinder 19 so that the coupling fitting body 20 has a predetermined clearance c with respect to the coupling cylinder 19. It is set to be short by the dimensions. For this reason, the coupling cylinder 19 and the coupling target body 20 can be relatively moved in the horizontal direction. In a state where the coupling cylinder 19 and the coupling target body 20 are fitted, the upper part of the coupling cylinder 19 and the lower part of the coupling target body 20 are connected by a spring clip 21 as shown in FIG. Hanged. In addition,
As shown in FIG. 4, the spring clip 21 is a band-shaped spring plate whose side surface is bent in a substantially semicircular shape, and has a resilience when the curve is pressed to expand or contract.

As shown in FIGS. 4 and 6, the connecting portion 16 is provided with a connecting cylinder 24 provided on the junction box divided body 12 side.
And the mating member 2 for coupling provided on the side of the junction box divided body 13
5 and a spring clip 26. As shown in FIGS. 4 and 6, the coupling cylinder 24 is connected to the coupling cylinder 19.
As in FIG. 6, the upper part is closed and has a tubular shape. As shown in FIG. As shown in FIG. 4, the mating member for coupling 25 is attached to the junction box divided body 13 with the coupling bracket 28.
Are provided integrally with each other. In addition, the upper part of the mating body 25 for coupling is inserted from the lower opening of the cylinder 24 for coupling,
It is provided to project upward from the coupling bracket 28 so as to be fitted. In addition, the coupling fitting object 25 with respect to the coupling cylinder 24 has a predetermined clearance c similarly to the coupling portion 15 so that the coupling cylinder 24 has a predetermined clearance c.
The outer dimension of the mating body for coupling 25 is set shorter than the inner diameter by a predetermined dimension. For this reason, similarly to the connection part 15, the connection cylinder 24 and the connection fitting object 25 can be relatively moved in the horizontal direction. These connecting cylinders 2
In a state where the coupling member 4 and the coupling member 25 are fitted together, as shown in FIG.
The upper part of 4 and the lower part of the to-be-coupled body 25 are hooked.

As described above, the junction box divided bodies 12 and 13
The electric junction box 1 which is joined by the joints 15 and 16 as one body
1. To assemble the junction box divisions 12 and 13, as shown in FIG. 3, the junction box division 13 is disposed slightly lower than the junction box division 12,
16 coupling cylinders 19 and 24 and coupling mated bodies 20 and 2
5 are fitted at the same time, then the respective connecting portions 15, 1
6 may be supported by the spring clips 21 and 26 and combined as shown in FIG.

By the way, the above-mentioned brackets 17, 18
In FIG. 1, holes for inserting bolts are formed as shown in FIG. The bracket 17 is provided with a bolt insertion hole 29 having a diameter slightly larger than the diameter of the bolt. The width of the bracket 18 is set wide as shown in FIG.
8A and 18B. A reference hole 30 having a diameter substantially matching the diameter of the bolt is formed in the bracket portion 18A. Further, the bracket portion 18B is formed with a long hole 31 which is long in the vehicle longitudinal direction. And these holes 2
Bolts (not shown) are inserted through 9, 30, and 31,
By tightening the bolts on the vehicle body side members 32 and 33 as shown in FIG. 2, the electric connection box 11 can be attached to the vehicle body.

The configuration of the electric connection box 11 of the present embodiment has been described above. Next, the operation of the electric connection box 11 will be described. First, as shown in FIG.
When erection of the junction box,
It can be installed in a state where it is connected at 5,16.
At this time, the reference hole 30 and the bolt insertion hole 29 formed in the bracket 18 of the junction box divided body 13 are first supported by bolts, and thereafter, the bolt support in the long hole 31 and the connection portion 15,
16, the connecting cylinders 19 and 24 and the connecting fitting body 20;
By adjusting the relative position with respect to 25, the electric connection box 11 can be easily attached to the entire electric connection box 11 without applying stress. Further, the electric connection box 11 is connected to the vehicle body side members 32 and 33.
In the state where the electrical connection box 11 is installed, when stress is generated due to the stress applied to the middle part of the electric connection box 11 in the vertical direction, the spring clips 21 and 26 are deformed by a repulsive force, so that the stress can be absorbed. it can. This can prevent the electrical junction box 11 from being damaged.

Since a predetermined clearance c is set between the coupling cylinders 19 and 24 and the coupling fitting bodies 20 and 25 in the fitted state, the coupling cylinder and the coupling coupling bodies 20 and 25 are set. The fitting body and the fitting body can move relative to each other in the horizontal direction, and can cope with positional deviation in the horizontal direction.

Although the embodiment has been described above, the present invention is not limited to this, and various modifications accompanying the gist of the configuration are possible.

For example, in the above-described embodiment, the coupling fitting bodies 20 and 25 are set so as to fit to the coupling cylinders 19 and 24 from below.
Of course, it is good also as composition which 5 is fitted downward from the top.

[0026]

As is apparent from the above description, according to the first aspect of the present invention, the divided bodies can move relative to each other in at least one of the three-dimensional directions. It is possible to prevent the electrical junction box from being damaged by absorbing the stress applied to the box. In addition, by absorbing the stress in this manner, there is an effect that the attachment to the vehicle body is easily and reliably performed.

According to the second aspect of the invention, in addition to the effects of the first aspect, the displacement of the spring clip can absorb the displacement, and the coupling cylinder and the coupling fitting body can be absorbed. Can be supported so as not to separate.

According to the third aspect of the invention, in addition to the effect of the second aspect of the invention, there is an effect that the horizontal position can be adjusted.

According to the third and fourth aspects of the present invention, the electric connection box can be easily attached to the vehicle body.

According to the fifth aspect of the present invention,
In addition to the effect of the invention according to claim 4, the spring clip is hooked on the end of the connecting cylinder and the end of the connecting fitting, so that the connecting cylinder and the coupling fitting are engaged. There is an effect that the spring clip allows the relative movement in the up and down direction with the union, and the spring clip supports the two easily and reliably.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment of an electric junction box according to the present invention.

FIG. 2 is a side view of the embodiment.

FIG. 3 is an explanatory side view showing a method of connecting the electric junction box of the embodiment.

FIG. 4 is a sectional view taken along line AA of FIG. 1;

FIG. 5 is a sectional view taken along line BB of FIG. 1;

FIG. 6 is a sectional view taken along line CC of FIG. 1;

FIG. 7 is a plan view of a conventional electric junction box.

FIG. 8 is a side view of a conventional electric junction box.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Electric connection box 12, 13 Connection box division body 15, 16 Coupling part 19, 24 Coupling cylinder 20, 25 Coupling fitting 21, 26 Spring clip 32, 33 Body side member

Claims (5)

[Claims] 1. An electric junction box, wherein a plurality of junction box divisions are connected to each other via a coupling portion adjacent to each other, and both ends are supported and mounted on a vehicle body side. An electrical junction box, wherein the junction box segments allow relative movement in at least one of three-dimensional directions. 2. The electrical junction box according to claim 1, wherein the coupling portion includes a coupling cylinder provided on one of the junction box divided bodies adjacent to each other and the other of the junction box divided bodies. An electrical connection box, wherein the electrical connection box comprises a coupling fitting body fitted to the coupling cylinder body, wherein the coupling cylinder body and the coupling fitting body are supported by a spring clip. . 3. The electrical junction box according to claim 2, wherein the coupling cylinder and the coupling fitting body are vertically fitted to each other, and the coupling fitting body is the coupling cylinder body. An electric junction box, which can be moved in a horizontal direction by using the electric junction box. 4. The electrical junction box according to claim 3, wherein a clearance is set between an inner surface of the coupling cylinder and an outer surface of the coupling target. Electrical junction box. 5. The electric connection box according to claim 2, wherein the spring clip is provided at an end of the coupling cylinder and an end of the coupling fitting body. An electric junction box, which is hung.