JP3324490B2 - Electrical junction box fixing structure and electrical junction box - Google Patents

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 fixing structure.
It relates to concrete and electrical connection box, particularly to a fixing structure and electrical connection box of the electrical connection box which facilitates removal.

[0002]

2. Description of the Related Art Various types of electric junction boxes for housing various electric devices such as junction boxes, relay boxes, fusible link boxes, and electronic control units used in electric circuits of automobiles have been proposed. A description will be given of a conventionally employed structure for fixing an electric junction box to a vehicle body. Normally, the electric connection box 100 provided with the wiring connection socket 104 is fixed to the lower part of the panel 51 in the cab, as shown in FIG. A nut attached by welding to the panel 51,
Alternatively, a female screw 56 cut by tapping is provided. Further, the electric connection box 100 includes a mounting seat surface 101 having a through hole 102 opened. The electric connection box 100 is fixed to the panel 51 by bolts 103 passing through the through holes 102 and being screwed to the female screws 56. The electric junction box 100 can be accurately fixed to the panel 51 by screwing it to two or more places as shown in FIG. Further, it can withstand vibrations and shocks caused by running of the vehicle without coming off.

[0003]

However, at the time of disassembly of a scrapped vehicle body for reuse, the electric junction box 100 which is firmly attached to the panel 51 by screwing is used.
Could not be easily removed, hindering the dismantling work.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide an electric connection box fixing structure and an electric connection box which can be easily removed.

[0005]

According to a first aspect of the present invention, there is provided a fixing structure of an electric connection box which houses electric parts connected by wires and is fixed to a panel.
Fixing with protrusions at both ends provided with extending latches
A metal fitting is provided, and a pair of hanging portions opened in the panel are provided.
An electric connection box, wherein each of the fixing portions of the fixing bracket is hooked.
The main body is fixed to the panel, and the other
The base of the protrusion having a hook formed at the tip
An operation section is formed in the section, and the operation section includes the wire
The gist is that a holding means for holding is provided .

According to the second aspect of the present invention, a wire
Accommodates the electrical components connected by
In the electrical junction box, one side of the electrical junction box main body and its opposite
On the opposite side, a protrusion with a hook at the tip is provided,
The projecting portion is hooked on a pair of hooking portions opened in the panel.
Hang the stop parts respectively and attach the electric junction box body to the panel
So that it is fixed, and the hook formed toward the other
An operating part is formed at the base of the protrusion that has a stop at the tip
Holding means for holding the wire in the operation unit
The gist is that is provided . According to the third aspect of the present invention, the electrical junction box according to the first aspect is fixed.
In the structure, the gist is that the holding means is a tie band .

According to the invention described in claim 4, according to claim 2,
3. The electrical junction box according to claim 1, wherein the holding means is a tie-van.
As its gist that the de.

[0008]

[0009]

[0010] In the embodiments of the invention described below, the "protrusion" according to the means for solving the scope or object of claims second side 11b, the fourth side 11d and the projecting portion 21a, projecting corresponds to part 22a, the projecting portion
"Hanging part" includes the first side 11a, the hook 12, and the locking part 2.
1, the hook 22, the “operating portion” corresponds to the wire harness fixing pieces 13, 23, and the “pair of hook portions opened in the panel” correspond to the fixing holes 53 a, 53 b.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS (First Embodiment) A first embodiment embodying an electric junction box of the present invention will be described below with reference to the drawings. In this embodiment, the same components as those in the conventional embodiment shown in FIG.
Detailed description is omitted.

As shown in FIG. 1, the electric connection box main body 10 in the present embodiment is provided with
1, and a main wire 54 of a wire harness is fixed to the fixing bracket 11.

As shown in FIG. 2, the fixing bracket 11 includes a first side 11a, a second side 11b, a third side 11c, and a fourth side 11c.
It is made of a sheet metal with four sides bent with the side 11d. The fixing bracket 11 includes a second side 11b and a third side 11c.
And the fourth side 11d are bent in a substantially U-shape, and the first side 11a is formed in a hook shape from the end of the second side 11b outward. I have. 4th side 1
A hook 12 is cut out and formed in 1d by bending inward. Further, a wire harness fixing piece 13 is similarly cut out and formed on the fourth side 11d. The wire harness fixing piece 13 has a through hole 13a. Also, as shown in FIG.
Two substantially cylindrical positioning bosses 14 are formed so as to protrude from the back surface of the electric connection box main body 10.

Next, the fixing of the electric connection box main body 10 to the panel 51 of the vehicle body by the fixing fitting 11 will be described with reference to FIG. First, the positioning boss 14 is attached to the panel 51.
The electrical connection box body 10 is brought into contact with the panel 51 by inserting the electrical connection box main body 10 into the panel 51. Next, the first side 11 a of the fixing bracket 11 is inserted into the fixing hole 53 a opened in the panel 51. Then, the 2nd side 11b, the 3rd side 11c, and the 4th side 11d of the metal fitting 11 are made to contact the both side surfaces and the front surface of the electrical connection box main body 10, respectively. Then, the fourth side 11d is inserted into the fixing hole 53b opened in the panel 51. When the fourth side 11d is inserted into the fixing hole 53b, as shown in FIG.
The tip of the hook 12 formed on the side 11d is the panel 5
1 is locked to the back surface. By this locking, the electric connection box main body 10 is fixed to the panel 51 together with the fixing fitting 11. The fixing metal fittings 11 are attached to the upper part and the lower part of the electric connection box main body 10, respectively. After the fixing, the wire harness trunk wire 54 is fastened to the wire harness fixing piece 13 of the fixing metal fitting 11 with the tie band 55 using the through hole 13a.

When the electric junction box main body 10 fixed as described above is detached from the panel 51, as shown in FIG. 5, the wire harness trunk wire 54 fixed to the wire harness fixing piece 13 is used in the figure. In the direction of arrow A shown in FIG. As a result, the fourth side 11d is pulled in the direction of arrow A together with the wire harness fixing piece 13. Then, the tip of the hook 12 locked on the back surface of the panel 51 moves in the direction of arrow B. When the hook 12 reaches the fixing hole 53b, the panel 5 of the hook 12 is moved.
The locking of the back of 1 is released. Next, when the wire harness trunk 54 is pulled in the direction of arrow C, the fixing holes 5
3a, the first side 11a comes off and the electric connection box main body 10
Is removed from the panel 51 together with the fixture 11.

According to this embodiment, the following actions and effects can be obtained. The electric connection box main body 10 can be fixed to the panel 51 by engaging the first side 11a and the hook 12 of the fixing metal fitting 11 with the fixing holes 53a and 53b opened in the panel 51. Therefore, attachment and detachment of the electric junction box main body 10 can be performed more easily than by screwing using the bolt 103. Further, since it is only necessary to open the fixing holes 53a and 53b in the panel 51, tapping and the like of the female screw 56 can be simplified. Furthermore, since the electric connection box main body 10 does not need to provide the mounting seat surface 101, the size can be reduced.

The first side 11a of the metal fitting 11 and the hook 12 extend in the same direction. Therefore, attachment and detachment of the fixing fitting 11 to and from the panel 51 can be easily performed.

The fourth side 11d can be bent by applying a force to the wire harness fixing piece 13 formed on the fourth side 11d of the fixing bracket 11. Accordingly, the locking of the panel 51 by the hook 12 formed on the fourth side 11d can be easily released.

As is clear from FIG. 4, the hook 12 is locked to the back surface of the panel 51 , so that the fixing metal 11 cannot be easily removed from the panel 51.

By applying a force to the wire harness fixing piece 13 formed on the fourth side 11d via the wire harness trunk line 54, the hook 12 formed at the tip of the fourth side 11d is moved and the panel is moved. The lock on the back surface of 51 can be released. Accordingly, the electric connection box main body 10 can be removed from the panel 51 together with the fixing fitting 11 by pulling the wire harness trunk 54.

The electric connection box main body 10 can be easily removed from the panel 51 together with the wire harness trunk line 54, so that the recycling operation when dismantling a scrapped vehicle can be performed smoothly.

(Second Embodiment) Next, a second embodiment of the electrical junction box of the present invention will be described with reference to FIGS. In the present embodiment, the same reference numerals are used for the same constituent members as those in the above-described conventional embodiment and the first embodiment, and detailed description thereof is omitted.

As shown in FIGS. 6 and 7, projecting portions 21a are formed on the upper and lower portions of one side surface of the electric connection box body 20 of the second embodiment, respectively, in the direction of the back surface. A locking portion 21 that is bent outward in a hook shape is formed at the tip of the protruding portion 21a. On the opposite side surface, a protruding portion 22a is formed so as to protrude toward the back surface. Projection 2
A hook 22 extending inward is formed at the tip of 2a. Further, a wire harness fixing piece 23 having a through hole 23a at the center is provided at the base of the protruding portion 22a.
Are formed integrally. Also, as shown in FIG.
Bosses 24 of different diameters are
a, a substantially columnar positioning boss 24 having a step due to the boss 24b is formed integrally with the electric connection box main body 20 so as to protrude therefrom.

Next, the fixing of the electric junction box body 20 to the panel 51 of the vehicle body will be described with reference to FIG. First, both positioning bosses 24 on the back surface of the electric connection box main body 20 are used.
Are inserted so as to correspond to the positioning holes 52 opened in the panel 51, respectively. The insertion of both positioning bosses 24 is stopped when the end faces of the bosses 24b come into contact with the panel 51. Therefore, a gap 25 having an interval equal to the height of the boss 24b is secured between the back surface of the electric connection box main body 20 and the panel 51. Next, the locking portion 21 is inserted into the fixing hole 53a opened in the panel 51, and
The hook 22 is inserted into the fixing hole 53b opened in the panel 51. When the hook 22 is inserted into the fixing hole 53b, as shown in FIG. 9, the locking portion 21 and the hook 22 are locked on the back surface of the panel 51, and the electric connection box main body 20 is fixed to the panel 51. . After fixing, the wire harness trunk 5 is attached to the wire harness fixing piece 23 of the electric connection box body 20.
4 is fastened with a tie band 55.

As described above, when the fixed electric junction box main body 20 is removed from the panel 51, as shown in FIG. 10, the wire harness trunk wire 54 fixed to the wire harness fixing piece 23 is drawn. Pull in the direction of arrow D shown inside. Thereby, the wire harness fixing piece 23
At the same time, the hook 22 is also pulled in the direction of arrow D.
Then, the hook 22 locked on the back surface of the panel 51
Moves in the direction of arrow E. The hook 22 has a fixing hole 53
By reaching “b”, the hook 22 is unlocked from the back surface of the panel 51. Next, when the wire harness main line 54 is pulled in the direction of arrow F, the locking portion 21 comes out of the fixing hole 53a, and the electric connection box main body 20 is removed from the panel 51.

As described above, according to the present embodiment, the following operations and effects can be obtained in addition to the effects of the first embodiment. -Since the hook 22 is formed integrally with the electric connection box main body 20, only by holding the electric connection box main body 20, the hook 22 can be held at the same time. Therefore, the work of attaching and detaching the electric junction box body 20 to and from the panel 51 can be easily performed. Further, as in the first embodiment, the second side 11 of the fixing bracket 11 as a separate component is used.
Since there is no need to provide the electrical junction box body 20 with a portion where b , the third side 11c , and the fourth side 11d abut, the electrical junction box body 20 can be downsized.

Since the boss 24b having a diameter larger than the diameter of the positioning hole 52 is formed at the base of the positioning boss 24, a space equal to the height of the boss 24b is provided between the back surface of the electric connection box main body 20 and the panel 51. Can be secured. A connector and a wire can be arranged in the gap 25.

The above embodiments may be modified as described below, and the same operation and effect can be obtained in such a case. In each embodiment, the wire harness trunk 54 is fixed to the wire harness fixing pieces 13 and 23 as the operation unit,
Although the hook on the rear surface of the panel 51 by the hooks 12 and 22 is released by pulling the wire harness trunk line 54, a knob may be formed on the operation unit. In this way, the operation unit can be operated by pinching it with a finger, and the lock by the hooks 12 and 22 can be easily released.

As shown in FIG. 11, the electric connection box main body 1
The third side 11c of the zero fixing bracket 11 may be curved to provide an urging force. By doing so, the restoring force F1 of the third side 11c presses the electric connection box main body 10 against the panel 51, and the electric connection box main body 10 can be firmly fixed to the panel 51.

Also, as shown in FIG. 11, the first side 11a of the fixing metal member 11 of the electric connection box main body 10 may be curved so as to bend with respect to the panel 51 to provide an urging force. By doing so, the restoring force F of the first side 11a
2 presses the back surface of the panel 51 and draws the fixing bracket 11 in the direction of the panel 51.
Can be more firmly fixed to the panel 51. In addition, the same operation | movement and effect can be provided by making the locking part 21 of the electric connection box main body 20 of 2nd Embodiment curved.

As shown in FIG. 12, the electric connection box main body 2
A hook 22 may be provided on each of the pair of protrusions 22a provided on the zero. By doing so, the panel 51 can be more firmly supported from the left and right. Further, the width of the electric connection box main body 20 can be reduced.

[0032]

According to the present invention, the electric junction box main body can be removed.
Attachment and removal can be easily performed.

[0033]

[0034]

According to the present invention, it is possible to apply a force to the protruding portion by pulling the wire fastened to the operation portion by the tie band, and it is possible to release the locking by the hook portion.

[0036]

[Brief description of the drawings]

FIG. 1 is an exemplary perspective view showing a mounting mode of an electric junction box according to a first embodiment;

FIG. 2 is an exemplary perspective view of a fixing bracket used in the embodiment;

FIG. 3 is an exemplary perspective view showing a procedure for mounting the electric connection box using the fixing bracket;

FIG. 4 is a sectional view of a mode of mounting the electric junction box according to the first embodiment;

FIG. 5 is a sectional view showing a mode of removing the electric junction box.

FIG. 6 is an exemplary perspective view showing a mode of mounting an electric junction box according to a second embodiment;

FIG. 7 is an external perspective view of the electric junction box.

FIG. 8 is an exemplary perspective view showing a procedure for mounting the electric junction box;

FIG. 9 is a sectional view of a mode of mounting the electric junction box.

FIG. 10 is a sectional view showing a mode of removing the electric junction box.

FIG. 11 is a cross-sectional view of a mode of mounting an electric junction box according to another embodiment.

FIG. 12 is a cross-sectional view of a mode of mounting an electric junction box according to another embodiment.

FIG. 13 is an exploded perspective view showing a mode of mounting a conventional electric junction box.

[Explanation of symbols]

Reference numeral 10 denotes an electric connection box main body of the first embodiment, 11 denotes a fixing bracket, 11a denotes a first side serving as a hook of a projection, 11b.
The second side as the protrusion, 11d... The fourth as the protrusion
Sides, 12: hooks as hooks, 13: wire harness fixing pieces as operation units, 20: electric connection box main body of the second embodiment, 21: hooks as hooks of projections,
21a: Projection, 22: Hook as hook, 22a
... projecting parts, 23 ... wire harness fixing pieces as operating parts, 53a, 53b ... fixing holes as a pair of hooks opened in the panel.

Claims (4)

(57) [Claims] An electric connection box is fixed to a panel and accommodates electric components connected by wires. In a fixing structure of an electric connection box , projections provided with hooks extending in the same direction are provided at both ends. The fixing bracket is provided on a pair of locking portions opened to the panel.
Yusuke hooking portion of the hooking to the electrical junction box main bodies so as to secure to the panel, the distal end of the engaging portion formed toward the other protruding portion
An operating part is formed at the base of the protruding part, and the operating part is provided with holding means for holding the wire.
Fixed structure of an electrical junction box that is. 2. An electric component connected by a wire is housed.
And, in the electrical junction box fixed to the panel, one side of the electrical junction box body and the opposite side
A protruding portion having a front end portion, and a pair of the hooking portions opened in the panel are provided with the hooking portions of the projecting portion.
Hang the stop parts respectively and attach the electric junction box body to the panel
So that it is fixed and has a hook formed at the tip end toward the other protrusion.
An operating part is formed at the base of the protruding part, and the operating part is provided with holding means for holding the wire.
Electrical junction box. 3. A structure for fixing an electric junction box according to claim 1.
In the above, the holding means may be a tie band fixing structure for an electric connection box .
Build . 4. The electrical junction box according to claim 2, wherein said holding means is a tie band .