JP3026729B2 - Parts fixing structure of 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 a component fixing structure of an electric connection box for connecting and fixing an electric component and a bus bar to an electric connection box used for electric wiring of an automobile or the like.

[0002]

2. Description of the Related Art Conventionally, a fusible link connected to a large current circuit in an electric junction box is fixed to a bus bar circuit by bolting. For example, Japanese Unexamined Utility Model Publication No. 1-139342 discloses a connection structure of a fusible link L as shown in FIG.

The fusible link L has terminal boards a,
The a 'and the bus bar b are fixed by tightening a nut (not shown) previously fixed to the cover d of the electric connection box using a bolt c.

On the other hand, with the recent sophistication and complexity of electric wiring, the circuit configuration in the electric connection box has also been diversified, and two bus bars are connected to one connection terminal portion a of the fusible link L. Also occurs. At this time, if the other connection terminal portion a 'connects one bus bar, the fusible link L is inclined and fixed to the cover d as shown in FIG. There is a problem that the fixing state becomes unstable and various obstacles such as poor contact occur.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problem, and connects and fixes an electric component such as a fusible link and a bus bar to an electric connection box via fixing bolts. In this case, it is an object of the present invention to provide a component fixing structure of an electric connection box that can fix an electric component in a good connection state without tilting.

[0006]

In order to achieve the above object, according to the first aspect of the present invention, a bus bar and an electric component are connected to an electric connection box via fixing bolts erected on the electric connection box. A component fixing structure for an electric connection box to be connected and fixed, wherein a bus bar connection groove and a bolt mounting recess are provided in upper and lower two stages on a wall surface of the electric connection box, respectively, and a head of the fixing bolt is located in either an upper stage or a lower stage. The busbar mounted in the busbar connection groove and the electric component are fastened to the one bolt mounting recess through the fixing bolt.

According to a second aspect of the present invention, an upper bus bar connecting groove and a lower bus bar connecting groove are recessed in the upper and lower two stages on the wall surface of the electric connection box, and the head of the fixing bolt is mounted in the lower bus bar connecting groove. In addition to providing a lower bolt mounting recess to be fitted,
It is preferable to provide an upper bolt mounting recess by cutting out the peripheral wall of the lower bolt mounting recess.

According to a third aspect of the present invention, the upper bus bar connecting groove and the lower bus bar connecting groove are recessed in two steps in the wall surface of the electric connection box, and the lower bolt mounting recess is formed in the lower bus bar connecting groove. In addition, it is preferable that the upper busbar connecting groove is notched to provide an upper bolt mounting concave portion.

According to a fourth aspect of the present invention, an upper busbar connecting groove and a lower busbar connecting groove are recessed in one of two walls on one wall surface of the electric connection box, and fixing bolts are fitted into the lower busbar connecting grooves. It is effective to provide an upper bolt mounting recess and a lower bolt mounting recess in which the head of the fixing bolt is inserted into the other wall surface of the electric connection box around the bolt insertion hole. is there. It is preferable that the depths of the upper bus bar connecting groove and the lower bus bar connecting groove are formed so as to match the thickness of the bus bar to be mounted.

According to a sixth aspect of the present invention, there is provided a component fixing structure for an electric connection box for connecting and fixing a bus bar and an electric component to the electric connection box via fixing bolts erected on the electric connection box, Around the fixing bolt, a fixing pedestal having an upper bus bar connecting portion and a lower bus bar connecting portion formed in a step shape is provided. And the busbar and the electric component are fastened via the fixing bolt.

According to a seventh aspect of the present invention, there is provided a component fixing structure for an electric connection box for connecting and fixing a bus bar and an electric component to the electric connection box via fixing bolts erected on the electric connection box, A support projection is provided near the connection hole of the bus bar, a connection hole for fitting the support projection into another bus bar is opened, and a connection hole of another bus bar attached to a fixing bolt as necessary. The bush bar and the electric component are fastened via the fixing bolt.

[0012]

According to the invention as set forth in claims 1 to 4, when connecting two bus bars, the head of the fixing bolt is fixed to the lower bolt mounting recess and the connection end of each bus bar is connected. When mounting one bus bar in the upper and lower bus bar connection grooves, the head of the fixing bolt is fixed to the upper bolt mounting recess, and the connection end of the bus bar is mounted in the upper bus bar connection groove. . In either case, the wall surface of the electrical connection box and the top surface of the bus bar can be matched, and the connection end of the bus bar and the head of the fixing bolt are in close contact, so that there is good connection without tilting the electrical components It is possible to fix in a state, and it is possible to prevent occurrence of troubles such as poor contact of the connection portion.

According to the sixth aspect of the present invention, since the upper busbar connecting portion and the lower busbar connecting portion are provided in a stepped manner on the fixing pedestal around the fixing bolt, the busbar is connected to the upper busbar connecting portion. The end part is placed, and if necessary, the connection end of another bus bar is placed on the lower bus bar connection part, and the electric component can be fastened via the fixing bolt. Therefore, in any case, the electric components can be reliably fixed in a good connection state without tilting.

According to the seventh aspect of the present invention, since the support projection is provided near the connection hole of the bus bar connected to the electric component, the support projection is provided even when one bus bar is connected. Since the bus bar is supported by the fixing base by the portion, the electric component can be fixed in a stable state.
When two busbars are connected, the support projections are fitted into the connection holes of the busbars, so that in any case, the electric components can be fixed in a good connection state without tilting.

[0015]

FIG. 1 is an exploded perspective view showing a component fixing structure A of an electric connection box according to an embodiment of the present invention. A structure for connecting and fixing the link 2 and the bus bars 3, 3 'is shown. The fixing bolts 4 and 4 'are erected on the case 1 of the electric junction box, and the fixing bolts 4 and 4' are
The nuts 7 are tightened by passing through the connection holes 6, 6 'of the bus bars 3, 3' and the connection holes 5, 5 'provided in the connection terminals 2a, 2a' of the fusible link 2 as an electric component. The fusible link 2 and the bus bars 3, 3 'are connected and fixed on the wall surface 1a of the case 1.

The case 1 at a position where the fixing bolt 4 is fixed.
A busbar connecting groove for connecting the busbars 3 and 3 'is recessed in two upper and lower stages on the wall surface 1a. That is,
The upper bus bar connecting groove 8 is formed so as to match the width of the connecting end 3 a of the bus bar 3, and the lower bus bar connecting groove 9 is formed.
Are formed corresponding to the width of the connection end 3a 'of the bus bar 3' narrower than the upper bus bar connection groove 8.

At a substantially central portion of the lower busbar mounting groove 9, a lower bolt mounting recess 10 corresponding to the substantially square head 4a of the fixing bolt 4 is provided.
Upper bolt mounting recess 11 of the square of the peripheral wall 10a 4 places formed by notching to engaged the corners 4a ₁ of the head 4a of the fixing bolt 4 is in are provided, respectively. The height from the lower bolt mounting recess 10 to the upper bolt mounting recess 11 is set equal to the thickness of the bus bar 3 '.

The fixing bolt 4 is fixed to the case 1 in a case where the fusible link 2 is connected to both the bus bars 3 and 3 'and a case where the fusible link 2 is connected to only one bus bar 3 in the fixing position. Different.

When connecting both busbars 3 and 3 ',
As shown in FIG. 2, the head 4a of the fixing bolt 4 is fitted into the lower bolt mounting recess 10 and fixed with an adhesive or the like. Then, as shown in FIG. 3, the connection hole 6 'of the bus bar 3' is fitted into the fixing bolt 4 fixed to the case 1, and the connection end 3a 'of the bus bar 3' is placed in the lower bus bar connection groove 9. At the same time, the bus bar 3 ′ is inserted into the bus bar groove 12 provided in the case 1. Next, as shown in FIG. 4, the connection hole 6 of the bus bar 3 is fitted, the connection end 3 a of the bus bar 3 is placed in the upper bus bar connection groove 8, and the bus bar is inserted into another bus bar groove 13 provided in the case 1. Insert 3.

After the bus bar 3 is mounted, as shown in FIG. 5, the connection hole 5 provided in the connection terminal 2a of the fusible link 2 is fitted into the fixing bolt 4, and the nut 7 is tightened and fixed. Since the upper busbar mounting groove 8 and the lower busbar mounting groove 9 have their depths set to match the thickness of the busbars 3 and 3 ', the connection end 3a of the busbar 3 is formed.
Of the case 1 coincides with the wall surface 1a of the case 1. Therefore,
The connection terminal 2a of the fusible link 2 can be fixed at the same height as the fixing surface for the other fixing bolt 4 'fixed on the same plane as the wall surface 1a of the case 1, so that the fusible link 2 is inclined. It is not fixed.

On the other hand, when only the bus bar 3 is mounted,
As shown in FIG. 6, the fixing bolt 4 is rotated by about 45 °, and the corner 4 a ₁ of the head 4 a is engaged with the upper bolt mounting recess 11 and fixed with an adhesive or the like. Therefore, as shown in FIG. 7, the head 4a of the fixing bolt 4 is fixed at a position raised from the lower bolt mounting recess 10 by the thickness of the bus bar 3 'which is not connected. The connection hole 6 of the bus bar 3 is fitted into the fixed fixing bolt 4 in the same manner as described above, the connection end 3a of the bus bar 3 is placed in the upper bus bar connection groove 8, and the bus bar 3 is inserted into the bus bar groove 13.

As shown in FIG. 8, the connection holes 5 of the connection terminals 2a of the fusible link 2 are
And fixed by tightening the nut 7.
Also in this case, the upper surface of the connection end 3a of the bus bar 3 coincides with the wall surface 1a of the case 1, and the lower surface of the connection end 3a is in close contact with the head 4a of the fixing bolt 4. Is secured. FIG. 9 shows connection bolts 5 for connecting terminals 2a and 2a 'of fusible link 2 on fixing bolts 4 and 4' assembled to case 1 of the electric junction box.
It is a perspective view which shows the state which inserts 5 'and assembles.

FIG. 10 is an exploded perspective view showing a component fixing structure B of an electric junction box according to another embodiment of the present invention. The component fixing structure B of the electric connection box is connected to the fusible link 2 via the fixing bolt 15 erected on the case 14 of the electric connection box and the fixing bolt 4 ′.
And the bus bars 3, 3 'are connected and fixed.

A busbar connecting groove for connecting the busbars 3 and 3 'is formed in the upper and lower two steps on the wall surface 14a of the case 14 to which the fixing bolt 15 is fixed. That is,
The upper bus bar connecting groove 16 is provided with the connecting end 3a of the bus bar 3.
Of the lower busbar connecting groove 1
7 is formed corresponding to the width of the connection end 3a 'of the bus bar 3' smaller than the upper bus bar connection groove 16.

At a substantially central portion of the lower busbar mounting groove 17,
A lower bolt mounting recess 18 that matches the rectangular head 15 a of the fixing bolt 15 is recessed in parallel with the lower busbar mounting groove 17. An upper bolt mounting concave portion 19 formed by cutting out a part of the upper bus bar connecting groove 16 and the lower bus bar connecting groove 17 is provided in a direction substantially perpendicular to the lower bolt mounting concave portion 18. The step between the upper bolt mounting recess 19 and the lower bolt mounting recess 18 is set to the thickness of the bus bar 3 ′.

When connecting the bus bars 3 and 3 ', the fixing bolt 15 is fixed by fitting the head 15a of the fixing bolt 15 into the lower bolt mounting recess 18 and fixing it with an adhesive or the like. Then, the connection hole 6 'of the bus bar 3' is fitted into the fixing bolt 15 fixed to the case 14, similarly to the case of the fixing bolt 4, and the lower bus bar connecting groove 1 is inserted.
7, the connecting end 3a 'of the bus bar 3' is mounted, and the connecting end 3a of the bus bar 3 is mounted in the upper bus bar connecting groove 16.
As shown in FIG. 11, the connection hole 5 provided in the connection terminal 2a of the fusible link 2 is fitted into the fixing bolt 15, and the nut 7 is tightened and fixed.

The upper bus bar mounting groove 16 and the lower bus bar mounting groove 17 are set to have depths corresponding to the thicknesses of the bus bars 3 and 3 ′, so that the upper surface of the connection end 3 a of the bus bar 3 is It matches the wall surface 14a. Therefore, the connection terminal 2a of the fusible link 2 can be fixed at the same height as the fixing surface for the other fixing bolt 4 'fixed to the wall surface 14a of the case 14, so that
The fusible link 2 is not inclined and fixed.

On the other hand, when only the bus bar 3 is mounted,
As shown in FIG. 12, the fixing bolt 15 is rotated by about 90 °, the head 15a of the fixing bolt 15 is fitted into the upper bolt mounting recess 19, and is fixed with an adhesive or the like. The head 15a of the fixing bolt 15 is fixed at a position elevated from the lower bolt mounting recess 18 by the thickness of the bus bar 3 'not connected.

The connection hole 6 of the bus bar 3 is fitted into the fixed fixing bolt 15 in the same manner as described above, and the upper bus bar connection groove 1 is inserted.
6, the connection end 3a of the bus bar 3 is mounted, and as shown in FIG. 13, the connection hole 5 of the connection terminal 2a of the fusible link 2 is fitted into the fixing bolt 4, and the nut 7 is fixed by tightening. .

Also in this case, the upper surface of the connection end 3a of the bus bar 3 coincides with the wall surface 14a of the case 14, and the lower surface of the connection end 3a is in close contact with the head 15a of the fixing bolt 15, so that the nut 7 Secured when tightened. FIG. 14 is a perspective view showing a state in which the fusible link 2 is mounted on the fixing bolts 15 and 4 'mounted on the case 14 of the electric junction box.

FIG. 15 is an exploded perspective view showing a component fixing structure C of an electric connection box according to another embodiment of the present invention. The component fixing structure C of the electric junction box is formed by connecting the upper bolt mounting concave portion 19 and the lower bolt mounting concave portion 18 of the component fixing structure B to the inner wall surface 20b of the electric junction box case 20.
The other structure is the same as that of the component fixing structure B.

That is, an upper busbar connecting groove 22 for connecting the busbars 3 and 3 'and a lower busbar connecting groove 23 are provided on the outer wall surface 20a of the case 20 to which the fixing bolts 21 are fixed, in two vertical stages. ing. At a substantially central portion of the lower bus bar mounting groove 23, a bolt insertion hole 24 through which the fixing bolt 21 is inserted is provided through the case 20.

FIG. 16 is a perspective view of the case 20 as viewed from the inside. On the inner wall surface 20b of the case 20, an upper bolt mounting concave portion 25 is provided with the bus bar 3,
It is recessed in the direction in which the connection end portions 3a, 3a 'of 3' are mounted. A lower bolt mounting recess 26 is provided in a direction intersecting the upper bolt mounting recess 25 with a step corresponding to the thickness of the upper bolt mounting recess 25 and the bus bar 3 ′.
The fixing bolt 21 has a stepped portion 21b that fits into the bolt insertion hole 24 in a rectangular head 21a.

When connecting both the bus bars 3 and 3 'to the case 20, as shown in FIG.
4, the screw portion of the fixing bolt 21 is inserted, and the head 21 a of the fixing bolt 21 is fixed to the lower bolt mounting recess 26. On the other hand, when one bus bar 3 is connected, FIG.
As shown in (5), the head 21a of the fixing bolt 21 may be fixed to the upper bolt mounting recess 25.

FIG. 18 is an exploded perspective view showing a component fixing structure D of an electric connection box according to an embodiment of the present invention. In the component fixing structure D of the electric connection box, fixing pedestals 28 and 28 'are attached to a wall surface 27a of a case 27 of the electric connection box, and fixing bolts 29 erected in the center of the fixing pedestals 28 and 28'. , 29 'through the bus bars 30, 3
0 'and the fusible link 2 are fixedly connected.

Around the top of one of the fixed pedestals 28, a lower busbar mounting portion 31 formed in a step shape is provided, and a flat upper busbar mounting portion 32 is formed at the top. The height of the other fixed base 28 '(the wall 2 of the case 27)
7a to the top of the fixed pedestal 28 ') is the height at which the connection end 30a of the bus bar 30 is placed on the upper bus bar mounting portion 32 of one fixed pedestal 28 (from the wall 27a of the case 27 to the connection end of the bus bar 30). 30a).

The connecting end 30a of the bus bar 30 is provided with a connecting hole 33 having a diameter that can be inserted into the fixing bolt 29. A connection hole 33 'having a diameter capable of fitting the upper busbar mounting portion 32 is formed in the connection end portion 30a' of the busbar 30 '.

When both busbars 30 and 30 'are to be mounted on the fixing base 28, as shown in FIG. 19, first, the connection holes 33' of the busbar 30 'are inserted into the fixing bolts 29 and the upper busbar is mounted. The connection end portion 30a 'is placed on the lower busbar mounting portion 31 by fitting into the portion 32. Next, the connection hole 33 of the bus bar 30 is inserted into the fixing bolt 29, and the connection end 30 a is placed on the upper bus bar mounting portion 32. Then, as shown in FIG. 21, the connection hole 5 of the connection terminal 2a of the fusible link 2 is inserted therethrough and fastened with a nut (not shown).

When one bus bar 30 is mounted on the fixing base 28, as shown in FIG. 20, the connection hole 33 of the bus bar 30 is inserted into the fixing bolt 29, and the connection end is placed on the upper bus bar mounting portion 32. The portion 30a may be placed, and the connection hole 5 of the connection terminal 2a of the fusible link 2 may be inserted therethrough.

The fixing bolt 2 of the other fixing pedestal 28 '
9 'is fixed by inserting the connection hole 5' of the connection terminal 2a 'of the fusible link 2. The fixing surface of the connection terminals 2a and 2a' of the fusible link 2 is
In both the case where both 0 and 30 'are connected and the case where only the bus bar 30 is connected, the fusible link 2 does not tilt because it is held on the same surface.

FIG. 22 is an exploded perspective view showing a component fixing structure E of the electric junction box according to the seventh embodiment of the present invention. The component fixing structure E of the electric connection box is provided with fixing bolts 35, 35 'on the wall surface 34a of the case 34 of the electric connection box.
The fixing pedestals 36, 36 'are attached, and the bus bars 37, 37',
And the fusible link 2 is connected and fixed.

A connection hole 38 is provided at a connection end 37a of one bus bar 37, and a support projection 39 formed by press working is formed around the connection hole 38 as shown in FIG. It is attached annularly. The projecting height of the support projection 39 is substantially equal to the thickness of the other bus bar 37 '. Connection end 37a 'of the other bus bar 37'
Is provided with a connection hole 38 'having a diameter into which the support protrusion 39 is fitted.

When mounting both bus bars 37 and 37 ', as shown in FIG. 23, first, the connection holes 38' of the bus bars 37 'are inserted into the fixing bolts 35, and then the connection holes of the bus bars 37 are connected. 38 is inserted into the fixing bolt 35, and the support projection 3 is inserted into the connection hole 38 'of the bus bar 37'.
9 is inserted. Then, as shown in FIG. 24, the connection hole 5 of the connection terminal 2a of the fusible link 2 is inserted and fastened with a nut (not shown).

Since the bus bar 37 is provided with an annular support projection 39, when it is not necessary to mount the other bus bar 37 ', the bus bar 37' can be omitted even if the bus bar 37 'is omitted. Since the contact 37 is supported in contact with the fixed base 36, the connection terminal 2a of the fusible link 2 can be fastened in a stable state.

[0045]

According to the first to fifth aspects of the present invention, when two electric parts such as fusible links and two bus bars are connected and fixed to the electric junction box, the head of the fixing bolt is used. Is fixed to the lower bolt mounting recess, and when one bus bar is connected, the head of the fixing bolt is fixed to the upper bolt mounting recess. Therefore, the upper surface of the bus bar can be made to coincide with the wall surface of the electric connection box, and the bus bar and the head of the fixing bolt are in close contact with each other, so that it is possible to fix the electric component without tilting, thereby achieving a good connection. The state is secured, and failures such as poor contact can be prevented.

According to the sixth aspect of the present invention, when the connection end of the bus bar is placed on the upper bus bar connection portion provided on the fixed base to connect the electric components, and when another bus bar is connected, the lower portion is connected. The electric component can be fastened via the fixing bolt by being placed on the bus bar connection portion, and in any case, the electric component can be fixed in a good connection state without tilting.

According to the seventh aspect of the present invention, since the bus bar provided with the support protrusion near the connection hole is used, even when one bus bar is connected, the bus bar is formed by the support protrusion. Since the electric components can be fixed in a stable state because they are supported by the fixed pedestal. When connecting two bus bars, the support projections are fitted into the connection holes of the bus bars. In this case, the electric parts can be fixed in a good connection state without tilting. In addition, since the electrical connection box does not need to be specially processed only by providing the support projection on the bus bar, there are many advantages such as a reduction in manufacturing cost.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a component fixing structure of an electric junction box according to an embodiment of the present invention.

FIG. 2 is an explanatory view showing a state in which a fixing bolt is fixed to a lower bolt mounting recess of FIG. 1;

FIG. 3 is an explanatory view showing a process of attaching a bus bar to the fixing bolt of FIG. 2;

FIG. 4 is an explanatory view showing a step of mounting another bus bar on the bus bar of FIG. 3;

FIG. 5 is an explanatory view showing a step of mounting a fusible link on another bus bar of FIG. 4;

FIG. 6 is an explanatory view showing a state in which a fixing bolt is fixed to an upper bolt mounting recess of the lower bus bar mounting groove of FIG. 1;

FIG. 7 is an explanatory view showing a step of attaching a bus bar to the fixing bolt of FIG. 6;

FIG. 8 is an explanatory view showing a step of mounting the fusible link on the bus bar of FIG. 7;

FIG. 9 is a perspective view showing a step of attaching the fusible link of FIG. 5;

FIG. 10 is an exploded perspective view showing a component fixing structure of an electric junction box according to another embodiment of the present invention.

FIG. 11 is an explanatory view showing a step of attaching a bus bar and a fusible link to a fixing bolt fixed to the lower bolt attaching concave portion of FIG. 10;

FIG. 12 is a perspective view showing a state in which a fixing bolt is mounted in an upper bolt mounting concave portion in FIG. 10;

FIG. 13 is an explanatory view showing a step of attaching a bus bar and a fusible link to a fixing bolt fixed to an upper bolt attaching concave portion in FIG. 12;

FIG. 14 is a perspective view showing a step of attaching the fusible link of FIG. 11;

FIG. 15 is an exploded perspective view showing a component fixing structure of an electric junction box according to another embodiment of the present invention.

FIG. 16 is a perspective view of the case of the electric junction box of FIG. 15 as viewed from the inside.

FIG. 17 is a perspective view showing a state in which a fixing bolt is mounted in the upper bolt mounting concave portion in FIG. 15;

FIG. 18 is an exploded perspective view showing a component fixing structure of the electric junction box according to the sixth embodiment of the present invention.

FIG. 19 is an explanatory view showing a process of attaching two bus bars to the fixed base of FIG. 18 and attaching a fusible link.

FIG. 20 is an explanatory view showing a process of attaching one bus bar to the fixed base of FIG. 18 and attaching a fusible link.

FIG. 21 is a perspective view showing a state in which the fusible link of FIG. 19 is mounted.

FIG. 22 is an exploded perspective view showing a component fixing structure of the electric junction box according to the embodiment of the present invention.

FIG. 23 is an explanatory view showing a step of attaching two bus bars to the fixing bolt of FIG. 22;

24 is an explanatory view showing a step of attaching a fusible link to a fixing bolt to which two bus bars of FIG. 23 are attached.

FIG. 25 is a perspective view showing a conventional fixing structure between a fusible link and a bus bar.

FIG. 26 shows two bus bars on the fusible link of FIG. 25.
It is explanatory drawing which shows the state which is connected and fixed.

[Explanation of symbols]

 A, B, C, D, E Parts fixing structure of electric junction box 1 Case 1a Wall surface 2 Electric parts (fusible link) 3, 3 'bus bar 4, 4' Fixing bolt 4a Head 8 Upper bus bar connection groove 9 Lower Busbar connection groove 10 Lower bolt mounting recess 10a Peripheral wall 11 Upper bolt mounting recess 14 Case 14a Wall surface 15 Fixing bolt 15a Head 16 Upper busbar connecting groove 17 Lower busbar connecting groove 18 Lower bolt mounting recess 19 Upper bolt mounting recess 20 Case 20a One side Wall surface 20b the other wall surface 21 fixing bolt 21a head 22 upper bus bar connection groove 23 lower bus bar connection groove 24 bolt insertion hole 25 upper bolt mounting recess 26 lower bolt mounting recess 27 case 27a wall surface 28, 28 'fixing pedestal 29, 29 'Fixing bolts 30, 30' Busbar 3 DESCRIPTION OF SYMBOLS 1 Lower busbar connection part 32 Upper busbar connection part 34 Case 34a Wall surface 37, 37 'Busbar 38, 38' Connection hole 39 Support projection

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H02G 3/08-3/20

Claims (7)

(57) [Claims] A busbar and an electric component are provided in an electric connection box.
A component fixing structure of an electric connection box for connecting and fixing via fixing bolts erected on an electric connection box, wherein a bus bar connecting groove and a bolt mounting concave portion are provided on the wall surface of the electric connection box in two stages, respectively, The head of the fixing bolt is fixed to one of the upper and lower bolt mounting recesses, and the bus bar mounted in the bus bar connecting groove and the electric component are fastened via the fixing bolt. Characteristic structure for fixing electrical junction boxes. 2. An upper busbar connecting groove and a lower busbar connecting groove are recessed in upper and lower two stages on a wall surface of an electric connection box, and a lower bolt mounting recess for fitting a head of a fixing bolt into the lower busbar connecting groove is provided. 2. The component fixing structure for an electrical junction box according to claim 1, wherein the upper bolt mounting recess is provided by notching a peripheral wall of the lower bolt mounting recess. 3. An upper bus bar connecting groove and a lower bus bar connecting groove are recessed in upper and lower two stages on a wall surface of the electric connection box, and a lower bolt mounting recess is recessed in the lower bus bar connecting groove.
2. The component fixing structure for an electric connection box according to claim 1, wherein the upper busbar connection groove is notched to form an upper bolt mounting recess. 4. An upper bus bar connecting groove and a lower bus bar connecting groove are recessed in two upper and lower stages on one wall surface of the electric connection box,
An upper bolt mounting recess and a lower bolt mounting recess for providing a bolt insertion hole for inserting a fixing bolt into the lower busbar connecting groove, and for inserting a head of the fixing bolt into the other wall surface of the electric connection box around the bolt insertion hole. 2. The component fixing structure for an electric connection box according to claim 1, wherein 5. The electric device according to claim 1, wherein the upper busbar connecting groove and the lower busbar connecting groove are formed so that the depth thereof matches the thickness of the busbar to be mounted. Connection box component fixing structure. 6. A bus bar and an electric component are provided in an electric junction box.
A component fixing structure of an electric connection box for connecting and fixing via fixing bolts erected on an electric connection box, wherein an upper busbar connecting portion and a lower busbar connecting portion are formed in a step shape around the fixing bolt. A fixing pedestal is provided, and a bus bar is mounted on the upper bus bar connecting portion, and another bus bar is mounted on the lower bus bar connecting portion as necessary, and the bus bar and the electric component are fastened via the fixing bolt. A structure for fixing parts of an electric junction box, characterized in that: 7. A bus bar and an electric part are provided in an electric connection box.
A component fixing structure of an electric connection box for connecting and fixing via a fixing bolt erected on an electric connection box, wherein a support projection is provided near a connection hole of a bus bar, and the support projection is attached to another bus bar. A connection hole for fitting the support bar is opened, and if necessary, the support protrusion is fitted into a connection hole of another bus bar attached to the fixing bolt, and the bus bar and the electric component are inserted through the fixing bolt. A part fixing structure for an electric connection box, wherein the part is fixed.