JP6069050B2 - Electric wire fixing structure and clamp - Google Patents

Description

  The present invention is a clamp related to an electric wire fixing structure for fixing a wire harness composed of a plurality of electric wires to a vehicle body such as an instrument panel.

  Conventionally, as shown in Patent Document 1, a general clamp for fixing a general wire harness to a vehicle body such as an instrument panel is composed of a panel fixing portion and a wire harness fixing portion.

  In order to hold the plate-shaped mounting portion erected on the panel in addition to the panel fixing portion, the panel fixing portion is formed integrally with the wire harness holding portion and formed in a U-shape as a whole. It consists of a metal holding piece which is housed and connected and which is formed in a U-shape as a whole. A pair of elastic locking pieces are formed at the end of the holding piece, and when a plate-shaped mounting portion (for example, a rib on the back side of the instrument panel) is pushed between the pair of elastic locking pieces, An upright plate-shaped mounting portion is held and held, and the clip is fixed to the panel.

  Moreover, the wire harness holding part is firmly connected to the main body part of the panel fixing part by integral molding, and has a certain width so as to hold each of the plurality of wire harnesses over a certain length. The wire harness holding part is formed in a substantially U shape downward from the opened upper surface and has a rigid holding part body formed with U-shaped grooves for accommodating a plurality of wire harnesses, and the opening of the holding part body It consists of a cover part that closes the part. The cover part is connected to one side of the holding part main body via a thin-plate hinge so that the cover part can pivot, and the cover part pivots around the hinge and is received and held in the U-shaped groove of the holding part main body. The upper part of the wire harness is closed to prevent the wire harness from coming out.

JP2009-225616A

  However, the conventional clip as shown in Patent Document 1 has a problem that the shape of the clamp becomes complicated because the wire harness holding portion and the panel fixing portion are separately formed.

  In addition, there is a problem in that work efficiency is very poor because the electric wire storing operation for storing the electric wire in the clip and the clamp fixing operation for fixing the clip to the panel are separate operations.

  Furthermore, since the wire harness holding part is arranged in parallel with the panel fixing part with respect to the panel, there is a problem that the clip itself is enlarged and a large space is required.

  Accordingly, an object of the present invention is to provide an electric wire fixing structure and a clamp that can prevent an increase in size of a clamp (clip), securely hold a wire harness, and can efficiently perform an attaching operation. To do.

  In order to solve the above-mentioned problem, in the invention described in claim 1, the clamp 1 accommodating a plurality of electric wires 3 is attached to a rib 25 formed on the vehicle body 2 to fix the plurality of electric wires 3 to the vehicle body 2. The clamp 1 includes a clamp main body 5 that fixes the accommodated electric wire 3 to the vehicle body 2, and an electric wire housing that is provided inside the clamp main body 5 and accommodates a plurality of electric wires 3. Chamber 21 and a rib housing chamber 22 that is provided between the vehicle body 2 and the wire housing chamber 21 inside the clamp main body 5 and accommodates a part of the vehicle body 2. In the chamber 21, the electric wire storage claw 9 for storing the electric wire 3 accommodated in the clamp main body 5, and in the rib storage chamber 22, the rib 25 is sandwiched and the clamp 1 is fixed to the vehicle body 2. Rib fixing claw 13 to project A wire receiving chamber 21 and the rib accommodating chamber 22 is characterized in that it is formed integrally with the clamp 1.

  Moreover, in invention of Claim 2, it is the electric wire fixing structure of Claim 1, Comprising: The said electric wire storage nail | claw 9 and the said rib fixing claw 13 incline in the insertion direction of the said electric wire 3, It is characterized by the above-mentioned. To do.

  Furthermore, in the invention according to claim 3, in the wire fixing structure according to claim 1 or 2, the rib fixing claw 13 includes the side surface portion 29 of the rib 25 inserted into the clamp 1. A pair of opposing sandwiching pieces 13 (15) that sandwich and a support piece 19 that supports the side surface portion 29 of the rib 25 continuously from the sandwiching piece 15 are extended in the insertion direction of the rib 25. It is characterized by being.

In addition, in the invention described in claim 4, the clamp 1 fixes a plurality of electric wires 3 to the vehicle body 2, and is provided with the clamp main body 5 and the plurality of electric wires 3 accommodated in the clamp main body 5. Wire housing chamber 21, a rib housing chamber 22 in which the vehicle body 2 is inserted and housed from the same direction as the direction of insertion of the wire 3 into the wire housing chamber 21, and the housed wire 3 is contained in the clamp body 5. And a rib fixing claw 13 that holds the rib 25 of the vehicle body 2 and fixes the clamp 1 to the vehicle body 2 in the rib storage chamber 22. To do.

  According to the first aspect of the present invention, the clamp 1 is provided inside the clamp main body 5 with the clamp main body 5 for fixing the accommodated electric wire 3 to the vehicle body 2, and the electric wire housing for accommodating a plurality of electric wires 3. A chamber 21 and a rib housing chamber 22 that is provided between the vehicle body 2 and the wire housing chamber 21 inside the clamp body 5 and accommodates a part of the vehicle body 2. In addition, an electric wire storage claw 9 for storing the stored electric wire 3 in the clamp body 5 and a rib fixing claw 13 for holding the rib 25 and fixing the clamp 1 to the vehicle body 2 project from the rib storage chamber 22. Since the electric wire accommodation chamber 21 and the rib accommodation chamber 22 are integrally formed in the clamp 1, the electric wire accommodation chamber 21 and the rib accommodation chamber 22 are integrally formed in the clamp 1. Can simplify the shape of It is possible to reduce the size of the clamp 1.

  Further, since the insertion direction of the electric wire 3 and the insertion direction of the rib 25 can be the same direction, the electric wire 3 can be inserted into the clamp 1 first, and then the rib 25 can be inserted into the clamp 1.

  According to the invention of claim 2, since the electric wire storage claw 9 and the rib fixing claw 13 are inclined in the insertion direction of the electric wire 3 or the rib 25, the electric wire 3 is moved to the electric wire receiving chamber 21 and the rib 25 is moved to the rib receiving chamber. 22 can be guided.

  According to the invention of claim 3, the rib fixing claw 13 is continuous from the pair of opposing sandwiching pieces 15 that sandwich the side surface portion 29 of the rib 25 inserted into the clamp 1, and the sandwiching pieces 15. Since the support piece 19 that supports the side surface portion 29 of the rib 25 extends in the insertion direction of the rib 25, the side surface portion 29 of the rib 25 is supported by the support piece 19, and the rib 25 is guided in the insertion direction. Therefore, the rib 25 and the clamp 1 can be securely fixed by the sandwiching piece 15 and the support piece 19.

  According to the invention of claim 4, the same effect as that of claim 1 can be obtained.

The perspective view which shows the back surface of the instrument panel by which the rib used for the electric wire fixing structure of this invention was erected. (A) Schematic diagram showing a state in which an electric wire is inserted into the clamp, (b) Schematic diagram showing a state in which the clamp is attached to the rib of the instrument panel, (c) Shows a state in which the clamp is completely attached to the rib of the instrument panel Schematic. The perspective view of the state which attached the clamp to the rib of the instrument panel.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  The wire fixing structure and clamp of the present invention will be described with reference to FIGS.

  As shown in FIGS. 1 to 3, the electric wire fixing structure and the clamp 1 of the present invention include a clamp main body 5 that fixes the accommodated electric wire 3 to a vehicle body 2 (hereinafter, instrument panel), and an inner side of the clamp main body 5. Provided between the instrument panel 2 and the electric wire accommodation chamber 21 inside the clamp body 5 and the electric wire accommodation chamber 21 for accommodating the plurality of electric wires 3, a part of the instrument panel 2 is accommodated. Rib housing chamber 22.

  FIG. 1 is a perspective view showing the back side of the instrument panel 2, and the instrument panel 2 includes a plate-like main body portion 23 and ribs 25 erected from the main body portion 23. The clamp 1 which accommodates the electric wire 3 in an inner periphery is fixed. Moreover, the several electric wire 3 accommodated in the clamp 1 mentioned later is covered with the coating | coated member etc. which have insulation.

  As shown in FIG. 2A, the clamp 1 that accommodates the plurality of electric wires 3 includes a U-shaped clamp main body 5, an electric wire storage claw 9 that protrudes from the inner peripheral surface 6 of the clamp main body 5, The rib fixing claw 13 sandwiches the rib 25 of the instrument panel 2.

  From the inner peripheral surface 6 of the clamp body portion 5 formed in a U-shape, an electric wire storage claw 9 that accommodates the electric wire 3 and a rib fixing claw 13 that clamps the rib 25 are protruded from each other. Is formed.

  An electric wire storage claw 9 for storing a plurality of electric wires 3 is provided so as to protrude from the bottom surface portion 8 side of the clamp main body portion 5 and is provided so as to face each other so that a pair of claws are close to each other. The pair of electric wire storage claws 9 formed by protruding from the inner peripheral surface 6 of the clamp main body 5 is provided so as to be inclined in the insertion direction A of the electric wire 3 and close to each other.

  Further, a recess 11 is provided in one claw of the pair of opposing electric wire storage claws 9, and the tip of the other claw is engaged with the recess 11 formed in the one claw.

  When the tip of the other claw is locked to the recess 11 formed in one claw, an electric wire housing chamber 21 is formed in the vicinity of the bottom surface portion 8 of the inner peripheral surface 6 of the clamp main body 5. A plurality of electric wires 3 are accommodated. In addition, it is preferable that this electric wire storage nail | claw 9 is formed with the raw material which has elasticity.

  The rib fixing claw 13 formed so as to protrude from the inner peripheral surface 6 on the opening 7 side of the clamp body 5 is similar to the electric wire storage claw 9 and the claw provided to face the pair faces the bottom surface portion 8. And projecting so as to be inclined and close to the insertion direction A of the electric wire 3.

  The rib fixing claw 13 protruding from the inner peripheral surface 6 of the clamp body 5 is provided continuously from the holding piece 15 that holds the side face 29 of the rib 25 of the instrument panel 2 and the holding piece 15. And the support piece 19 that supports the side surface portion 29 of the rib 25.

  The pair of sandwiching pieces 15 form rib housing chambers 22 between the electric wire housing claws 9 and the rib fixing claws 13 on the inner periphery of the clamp main body portion 5 by the tip portions abutting each other. A rib 25 of the instrument panel 2 is inserted into the rib housing chamber 22.

  The support piece 19 provided at the front end of the holding piece 15 extends to the rib housing chamber 22 toward the bottom surface portion 8 of the clamp body 5 and supports the side surface portion 29 of the rib 25. Also, it serves as a guide for inserting the rib 25 into the clamp body 5.

  In addition, although the electric wire fixing tape 31 is shown by FIG. 3, this electric wire fixing tape 31 is arrange | positioned between the clamps 1, and bundles and fixes the some electric wire 3. FIG.

  Next, a procedure for fixing the clamp 1 to the instrument panel 2 will be described.

  As shown in FIG. 2A, the electric wire 3 is inserted into the electric wire accommodation chamber 21 formed in the clamp 1 in the insertion direction A from the opening 7 of the clamp 1.

  When inserting the electric wire 3 into the electric wire housing chamber 21, first, the electric wire 3 comes into contact with a portion where the holding pieces 15 of the rib fixing claw 13 are in contact with each other, guided by the inclined surface of the rib fixing claw 13.

  By further inserting the electric wire 3 in contact with the holding piece 15 in the insertion direction A, the pair of holding pieces 15 bend in a direction away from each other, and the electric wire 3 is inserted into the rib housing chamber 22.

  The plurality of electric wires 3 are temporarily accommodated in the rib accommodating chamber 22 in the clamp 1, and in this state, the electric wire fixing tape 31 for bundling the plural electric wires 3 between the clamps 1 is wound.

  The electric wires 3 bundled with the electric wire fixing tape 31 between the clamps 1 and inserted into the rib accommodating chamber 22 are guided by the support pieces 19 of the rib fixing claws 13 extended to the rib accommodating chamber 22 and further inserted in the insertion direction A. By inserting the electric wire 3 into the flange, the electric wire 3 is brought into contact with the electric wire storage claw 9 on the rib storage chamber 22 side.

  The electric wire 3 that has come into contact with the electric wire storage claw 9 on the rib housing chamber 22 side is guided by the inclined surface of the electric wire storage claw 9 and comes into contact with a place where the electric wire storage claws 9 are locked.

  By further inserting the electric wire 3 in contact with the electric wire storage claw 9 in the insertion direction A, the pair of electric wire storage claws 9 bend in the direction of separating, and the electric wire 3 is accommodated in the electric wire accommodation chamber 21.

  Then, as shown in FIG. 2B, after the electric wire 3 is accommodated in the electric wire accommodation chamber 21, the clamp 1 is inserted into the rib 25 erected from the instrument panel 2.

  When the clamp 1 is inserted into the rib 25, first, the tip 25 of the rib 25 is guided by the inclined surface of the rib fixing claw 13, and the rib 25 is placed at a place where the holding pieces 15 of the rib fixing claw 13 are in contact with each other. The tip portion 27 of the abuts.

  With the distal end portion 27 of the rib 25 in contact with the sandwiching piece 15, the clamp 1 is further inserted in the insertion direction B to bend in a direction in which the pair of sandwiching pieces 15 are separated from each other. 27 is inserted into the rib housing chamber 22 in the insertion direction A.

  The distal end portion 27 of the rib 25 inserted into the rib housing chamber 22 is guided by the support piece 19 of the rib fixing claw 13 extended to the rib housing chamber 22, and further the clamp 1 is inserted in the insertion direction B, The side surface portion 29 of the rib 25 is in sliding contact with the support piece 19 and the tip portion 27 of the rib 25 is in contact with the electric wire storage claw 9, so that the clamp 1 is attached (fixed) to the instrument panel 2 as shown in FIG. ) Is completed.

  With the above-described configuration, in the electric wire fixing structure of the present invention, since the electric wire housing chamber 21 and the rib housing chamber 22 are integrally formed in the clamp 1, the shape of the clamp 1 can be simplified. The clamp 1 can be downsized.

  Further, since the insertion direction of the electric wire 3 and the insertion direction of the rib 25 can be the same direction, the electric wire 3 can be inserted into the clamp 1 first, and then the rib 25 can be inserted into the clamp 1.

  Furthermore, since the electric wire 3 can be temporarily accommodated in the rib accommodating chamber 22 of the clamp 1, the plurality of electric wires 3 can be more securely held and accommodated in the electric wire accommodating chamber 21, and the clamp 1 can be efficiently installed in the instrument. It can be fixed to the ment panel 2.

  In addition, when the electric wire 3 is accommodated in the electric wire accommodating chamber 21, even if the electric wire 3 remains in the rib accommodating chamber 22, the electric wire 3 is pressed by the tip of the rib 25 and accommodated in the electric wire accommodating chamber 21. Therefore, the electric wire 3 can be reliably accommodated in the electric wire accommodating chamber 21.

  Furthermore, since the electric wire storage claw 9 and the rib fixing claw 13 are inclined in the insertion direction A of the electric wire 3 or the rib 25, the electric wire 3 is guided to the electric wire storage chamber 21 and the rib 25 is guided to the rib storage chamber 22, respectively. Can do.

  Furthermore, the rib fixing claw 13 includes a pair of opposing sandwiching pieces 15 that sandwich the side surface portion 29 of the rib 25 inserted into the clamp 1, and the side surface portion 29 of the rib 25 continuously from the sandwiching piece 15. Since the support piece 19 that supports the rib 25 extends in the insertion direction A of the rib 25, the side piece 29 of the rib 25 can be supported by the support piece 19, and the rib 25 can be guided in the insertion direction A. The rib 25 and the clamp 1 can be reliably fixed by the sandwiching piece 15 and the support piece 19.

  In addition, a recess 11 is formed in one of the wire storage claws 9, and the tip of the other claw of the wire storage claw 9 is engaged with the recess 11 formed in one of the claws 9. Is locked, the electric wire 3 accommodated in the electric wire accommodating chamber 21 can be accommodated in the electric wire accommodating chamber 21 without jumping out to the rib accommodating chamber 22.

  In addition, although the present Example demonstrated the instrument panel with which the rib was standing, the electric wire fixing structure and clamp of a present Example are not limited to an instrument panel, and have the rib which stood upright. What is necessary is just a molded article.

  Furthermore, in the present embodiment, the pair of electric wire storage claws and the pair of rib fixing claws have been described. However, one claw only needs to have elasticity, and the other claw may be rigid.

  The present invention can be used for a wire fixing structure.

1 Clamp 2 Car body (instrument panel)
3 Electric wire 9 Electric wire storage claw 13 Rib fixing claw 21 Electric wire storage chamber 22 Rib storage chamber 25 Rib

Claims (4)

A wire fixing structure for fixing a plurality of electric wires to a vehicle body by attaching a clamp accommodating a plurality of electric wires to a rib formed on the vehicle body,
The clamp includes a clamp main body portion that fixes the accommodated electric wire to the vehicle body, an electric wire housing chamber that is provided inside the clamp main body portion and accommodates a plurality of electric wires, and the vehicle body and the inside of the clamp main body portion. A rib accommodating chamber provided between the electric wire accommodating chamber and accommodating a part of the vehicle body,
The electric wire storage chamber has an electric wire storage claw for storing the received electric wire in a clamp body portion, and the rib storage chamber has a rib fixing claw for holding the rib and fixing the clamp to the vehicle body. Protruding,
The wire fixing structure, wherein the wire housing chamber and the rib housing chamber are integrally formed in the clamp. The wire fixing structure according to claim 1,
The electric wire storage claw and the rib fixing claw are inclined in the insertion direction of the electric wire. The electric wire fixing structure according to claim 1 or 2,
The rib fixing claw includes a pair of opposing sandwiching pieces that sandwich the side surface portion of the rib inserted into the clamp, and a support piece that supports the side surface portion of the rib continuously from the sandwiching piece. An electric wire fixing structure characterized in that the electric wire is extended in an insertion direction of the rib. A clamp for fixing a plurality of electric wires to a vehicle body,
A clamp body, a wire housing chamber provided in the clamp body for accommodating a plurality of wires, and a rib housing in which a vehicle body is inserted and housed in the same direction as the direction of insertion of the wires into the wire housing chamber. Room,
An electric wire storage claw for storing the received electric wire in a clamp main body portion, and a rib fixing claw for holding the rib of the vehicle body and fixing the clamp to the vehicle body in the rib storage chamber. And clamp.

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