JP3079020B2 - 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 an electric connection box fixing structure for fixing an electric connection box, which is screwed on one side to a vehicle body support portion and inserted on the other side into the vehicle body, to the vehicle body.

[0002]

2. Description of the Related Art FIG. 5 and FIG.
No. 74 discloses a fixing structure of an electric connection box. FIG.
1 shows a state in which the connector 1 is fixed to the vehicle body 3. From both sides of the connector 1, mounting feet 5, 7 are respectively protruded, and these mounting feet 5, 7 are provided with screw insertion holes 9, 11, respectively. On the other hand, columnar bosses 13 are protruded from the vehicle body 3. The bosses 13 are formed with screw holes 17 into which the screws 15 are respectively screwed.

[0003] Screws 15 are inserted into the screw insertion holes 9 and 11.
15, the connector 1 is fixed to the vehicle body 3 by screwing it into the screw holes 17, 17 of the bosses 13, 13, and tightening.

However, in this fixing structure, the two screws 15, 15 are aligned with the screw holes 17, 17 of the bosses 13, 13 and tightened, so that the work is troublesome and the workability is poor. is there.

Therefore, as shown in FIG. 6, a rib insertion hole 19 is formed in one of the mounting feet 7, and the rib insertion hole 19 is formed.
Then, a structure is proposed in which a positioning rib 13a provided at the tip of a boss 13 is inserted and the other mounting foot 5 is screwed to fix the connector 1 to the vehicle body 3.

According to this structure, the connector 1 can be easily fixed to the vehicle body 3 by screwing one screw 15 into the screw hole 17 of the boss 13 and tightening it. Mounting workability is improved.

[0007]

However, in the fixing structure shown in FIG.
There is a problem that the mounting foot portion 7 fixed to 9 vibrates up and down, so that the connector 1 cannot be securely fixed to the vehicle body 3.

For this reason, the upper surface side of the boss 13 on the screwing side is inclined, a gap 20 is provided between the upper surface of the boss 13 and the mounting foot 5, and the screw 15 is tightened. Although the ribs 13a are prevented from falling out from inside, in this case, the ribs 13a are merely inserted into the rib insertion holes 19, so that the ribs 13a are easily pulled out, and the vibration of the vehicle body tends to cause play.

Therefore, the present invention provides an electric connection box on a vehicle body,
An object of the present invention is to provide a fixing structure of an electric junction box which can be fixed easily and surely.

[0010]

According to a first aspect of the present invention, there is provided a screw provided with a screw insertion portion projecting from one side of a main body and fixed to a screwing support portion of a vehicle body. An electric connection box fixing structure for fixing an electric connection box having a fixing mounting foot portion and a plug-in mounting foot portion which is protruded from the other side of the main body and inserted into and supported by a support hole of the vehicle body, to the vehicle body. Wherein the mounting foot for insertion is from the other side of the main body.
The projecting base, the mounting piece, and the back side of the mounting piece
Formed with the claw portion, and the claw portion protrudes from the mounting piece portion.
A contact shaft portion that is provided and contacts an inner wall of the support hole;
It extends from the tip of the contact shaft part almost parallel to the mounting piece and
Opening the support hole with the electric junction box fixed to the vehicle body
The opening edge is hooked on the rim and is located between the mounting piece.
Formed between the latch portion to be clamped, by inserting the claw portion into the support hole, the I by screwing by aligning the screw insertion portions in screwing the supporting portion to move the electrical connection box
Flip with abutment shaft on the inner wall of the support hole in stop operation abuts, previous latch portion is hooked on the opening edge of the support hole
It is characterized in that the opening edge is sandwiched between the mounting piece .

According to the first aspect of the present invention, the claw portion of the insertion mounting foot portion is inserted into the support hole, the electric connection box is moved, and the screw insertion portion of the screw mounting foot portion is inserted into the screw support portion. Align. When the screw insertion portion is aligned with the screwing support portion, the contact shaft portion comes into contact with the inner wall of the support hole, and the hooking piece portion is hooked on the opening edge of the support hole, so that the support hole is provided between the support piece and the mounting piece. Of the opening edge of. When the screw insertion part is screwed to the screw support part from this state, the electric connection box rotates in the direction of tightening the screw, and the contact shaft part is pressed and abutted against the inner wall of the support hole, and the hook is hooked. The piece is securely hooked to the opening edge of the support hole, and the opening edge is securely clamped between the mounting piece and the mounting piece.

[0012] The invention according to claim 2 provides the electric power supply according to claim 1.
A fixing structure of the air connection box, wherein the hook of the contact shaft portion is
The outer peripheral surface on one side is formed in an arc shape .

According to the second aspect of the present invention, when the claw portion is inserted into the support hole and the electric junction box is moved to align the screw insertion portion with the screw support portion, the outer periphery of the contact shaft portion is moved. Since the surface is formed in an arc shape, even if it comes into contact with the inner wall of the support hole, it does not get caught and can be easily moved to position the screw insertion portion on the screw support portion.

[0014]

[0015]

[0016]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of an electric junction box fixing structure according to an embodiment of the present invention.
FIG. 1 is a perspective view showing an electric connection box 21 to which an electric connection box fixing structure of the present invention is applied, and a part of a vehicle body 23 to which the electric connection box 21 is fixed. 2 and 3 are plan views showing a procedure for attaching the electric connection box 21 to the vehicle body 23.

As shown in FIG. 1, the electric connection box 21 has a mounting foot 27 for screwing protruding from one side of a main body 25.
From the other side , a mounting foot 29 for insertion is projected. The screwing mounting foot 27 screw insertion holes 31 at the distal end portion in a substantially triangular shape is formed. A screw 33 is inserted into the screw insertion hole 31. The mounting foot 27 for screwing is attached to the vehicle body 2.
3 and is fixed on the screw support portion 35 provided in 3 by being screwed into a screw hole 37 of the screw support portion 35.

The insertion mounting foot 29 has an L-shaped mounting piece 41 integrally formed with a plate-shaped base 39. A claw portion 43 is formed on the back surface of the tip of the mounting piece portion 41. The claw portion 43 includes a contact shaft portion 45 protruding from the rear surface side of the mounting piece portion 41 and a hooking piece portion extending from the tip end of the contact shaft portion 45 substantially parallel to the mounting piece portion 41. 47 are formed in an L shape. A rectangular through hole 49 is formed in the upper part of the hooking piece 47 so that the hooking piece 47 can be seen from the upper surface side. The space between the hooking piece 47 and the mounting piece 41 is formed larger than the thickness of the vehicle body 23 (see FIG. 4). Further, the outer peripheral surface of the contact shaft portion 45 on the hooking piece portion 47 side is formed in an arc shape.

On the other hand, the vehicle body 23 on which the claw portion 43 is hooked
Is formed with a support hole 51 that is longer than the length of the hook piece 47. The contact shaft portion 45 of the claw portion 43 and the hook piece 47 are inserted into the support hole 51.

Next, a procedure for fixing the electric connection box 21 to the vehicle body 23 will be described.

As shown in FIGS. 2A and 4A,
First, the claw 43 is inserted into the support hole 51. At this time, since the support hole 51 is formed as a long hole, the contact shaft portion 45 and the hook piece 47 can be easily inserted into the support hole 51. When the contact shaft portion 45 and the hook piece 47 are inserted into the support hole 51, the positions of the screw insertion hole 31 and the screw support portion 35 are shifted. The contact shaft 45 does not contact the inner wall 51 a of the support hole 51, and the hook piece 47 is not hooked on the opening edge 51 b of the support hole 51.

Next, the electric junction box 21 is moved to align the screw insertion hole 31 with the screw hole 37 of the screw support 35. At this time, as shown in FIGS. 2 (b) and 4 (b), the electric connection box 21 is moved downward so that the contact shaft 45 contacts the inner wall 51a of the support hole 51, and The portion 47 is hooked on the opening edge 51b of the support hole 51. Then, the electric connection box 21 is rotated so that the screw insertion hole 31 and the screw hole 37 match. Screw insertion hole 31
After the screw holes 37 coincide with each other, the screw 33 is inserted into the screw insertion hole 31 as shown in FIG. Tightening screwed a screw 33 into the screw hole 37, the electrical connection box 21, and communicates Re around the screwing process, with those Sejjiku portion 45 is pressed against the inner wall of the support hole 51, hooking One part 47 is an opening edge 51b of the support hole 51.
Is securely hooked.

As described above, according to the fixing structure of the present embodiment, when the screw 33 is tightened, the hook piece 47 is securely hooked to the opening edge 51b of the support hole 51. The connection box 21 can be securely fixed to the vehicle body.

According to the fixing structure of the present embodiment, the claw 4
3 into the support hole 51 and the screw insertion hole 31 into the screw hole 37
The electric connection box 21 can be easily fixed to the vehicle body 23 by screwing it in position. Also, when the screw insertion hole 31 is aligned with the screw hole 37, the contact shaft 4
5 is brought into contact with the inner wall of the support hole 51, and the contact shaft 45
Is rotated around the center, the screw insertion hole 31 and the screw hole 37 can be easily matched with each other, and workability is improved.

In the above embodiment, the support hole 51 provided in the vehicle body 23 is longer than the hook piece 47. However, the support hole 51 may be a round hole as long as the claw 43 can be inserted. good.

If an edge portion is formed on the inner wall of the support hole 51, the edge portion is abutted by a screwing operation.
The electrical connection box 21 can be more securely fixed to the vehicle body by biting into the portion 45.

[0027]

As described above, according to the first aspect of the present invention, the claw portion is inserted into the support hole, the screw insertion portion is aligned with the screw support portion, and then screwed.
The electric junction box can be easily fixed to the vehicle body. In addition, since the hooking piece is hooked on the opening edge of the support hole and sandwiched between the mounting piece, the electric connection box is securely fixed to the vehicle body without rattling due to vibration or the like. Can be. Also, when the screw insertion portion is screwed to the screw support portion, the electric connection box rotates together in the screw tightening direction. By tightening the screw, the contact shaft portion is pressed and abutted on the inner wall, and the hooking piece is formed. The portion securely clamps the opening edge of the support hole with the mounting piece. This also allows the electric connection box to be securely fixed to the vehicle body.

According to the second aspect of the present invention, by forming the outer peripheral surface of the contact shaft portion into an arc shape, when the screw insertion portion is aligned with the screwing support portion, the contact shaft portion has the support hole. The electric junction box can be moved smoothly without being caught on the inner wall, and the electric junction box can be easily moved.

[0029]

[Brief description of the drawings]

FIG. 1 is a perspective view showing an electric connection box to which an electric connection box fixing structure according to the present invention is applied, and a part of a vehicle body to which the electric connection box is fixed.

FIG. 2 is a plan view showing a relationship between an electric connection box and a vehicle body, wherein (a) is a plan view showing a state where a claw portion is inserted into a support hole of the vehicle body;
FIG. 4 is a plan view showing a state in which the electric connection box is moved so that the contact shaft portion comes into contact with the inner wall of the support hole, and the hook piece is hooked on the opening edge of the support hole.

FIG. 3 is a plan view showing a relationship between the electric connection box and the vehicle body, showing a state in which the screw insertion hole and the screwing portion are aligned and screwed, and the electric connection box is fixed to the vehicle body.

4A and 4B show a relationship between a claw and a support hole, wherein FIG. 4A is a cross-sectional view showing a state where a contact shaft and a hook piece are inserted into the support hole, and FIG. It is sectional drawing which shows the state which contact | abutted the inner wall of the support hole, and hooked the hook part to the opening edge part of the support hole.

FIG. 5 is a cross-sectional view showing an electric connection box fixed to a vehicle body by a conventional electric connection box fixing structure.

FIG. 6 is a cross-sectional view showing an electric junction box fixed to a vehicle body by another conventional electric junction box fixing structure.

DESCRIPTION OF SYMBOLS 21 Electrical connection box 23 Body 25 Body 27 Screw mounting feet 29 Plug mounting feet 31 Screw insertion holes 33 Screws 43 Claws 45 Contact shafts 47 Hook pieces 51 Support holes 51a Inner wall 51b Opening Rim

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H02G 3/08 B60R 16/02 H01R 13/73

Claims (2)

(57) [Claims] 1. A screw mounting foot portion provided with a screw insertion portion projecting from one side of a main body and fixed to a screw fixing support portion of a vehicle body; Inserted into the support hole
A fixing structure of an electric connection box for fixing an electric connection box having a supported insertion mounting foot to a vehicle body, wherein the insertion mounting foot protrudes from the other side of the main body.
Part, mounting piece part, and claw part formed on the back side of the mounting piece part
And the claw portion is protruded from the mounting piece portion to form an inner wall of the support hole.
Attached from the contact shaft that comes into contact with the tip of the contact shaft
The electric connection box extending substantially parallel to the one part and connected to the vehicle body
Hooked on the opening edge of the support hole in the fixed state of
An edge portion is formed by a hooking piece portion sandwiched between the mounting piece portion, the claw portion is inserted into the support hole, an electric connection box is moved, and the screw insertion portion is positioned at the screwing support portion. By screwing together, the contact shaft portion comes into contact with the inner wall of the support hole by this screwing operation , and the hooking piece portion is hooked on the opening edge of the support hole, and between the mounting piece portion and the mounting piece portion. Sandwich the opening edge
An electric connection box fixing structure characterized by being held. 2. The electric junction box fixing structure according to claim 1,
The outer peripheral surface of the contact shaft portion on the side of the hooking piece is arc-shaped.
A fixing structure for an electric connection box, wherein the fixing structure is formed in a rectangular shape.