JP2022118940A - wire harness - Google Patents

Abstract

To temporarily hold wire members while preventing an increase in the number of components.SOLUTION: A wire harness 10 comprises: a wire member 11; and a clamp 12 that fixes the wire member 11 to a car body frame 50 to which the wire member is attached. The clamp 12 has a clamp body 20 that has a first fixation part 21 fixed to the wire member 11 and a second fixation part 22 fixed to a bracket 51 of the body frame 50, a latch part 23 that can be latched to the wire member 11, and a connection part 24 that rotatably connects the latch part 23 to the clamp body 20. The latch part 23 is configured to be movable to a first position where it can be latched to the wire member 11 and a second position where it can hold the wire member 11 by sandwiching the wire member 11 with the clamp body 20.SELECTED DRAWING: Figure 1

Description

The present invention relates to wire harnesses.

Patent Literature 1 discloses a structure for temporarily fixing a wire harness. In this wire harness temporary fixing structure, a wire member wound in a loop is temporarily fixed at a plurality of locations with a plurality of synthetic resin clamps.

For example, when the electric wire member is double-wound, the first clamp is attached to the beginning of the first winding of the electric wire member. A second clamp is attached to the winding end portion of the second winding of the wire member.

Each clamp has a projection and a hole. By engaging the protrusion of the first clamp with the hole of the second clamp, the first clamp and the second clamp are temporarily fixed to each other. As a result, the electric wire member is temporarily fixed in a looped state.

According to such a temporary fixing structure, for example, when the electric wire member is assembled to the vehicle body frame, the electric wire member can be temporarily placed in a stable posture on the object in a looped state. As a result, when the object is assembled to the vehicle body frame, it is possible to prevent the electric wire member temporarily placed on the object from being displaced or falling off.

JP 2008-37465 A

However, in the case of the wire harness temporary fixing structure disclosed in Patent Document 1, a step of attaching a plurality of clamps to a plurality of positions of the wire member is required. Moreover, since a plurality of clamps are required, the number of parts increases.

A wire harness for solving the above problems includes a wire member and a clamp for fixing the wire member to an attachment target, the clamp including a first fixing portion fixed to the wire member and the attachment A clamp body having a second fixing portion fixed to an object, a hooking portion that can be hooked to the wire member, and a connecting portion that rotatably connects the hooking portion to the clamp body. The hooking portion is configured to be movable between a first position where it can be hooked on the wire member and a second position where it can hold the wire member by sandwiching the wire member together with the clamp body. It is

According to this configuration, the second fixing portion of the clamp is fixed to the attachment target such as the vehicle body frame while the first fixing portion of the clamp is fixed to the electric wire member. In this state, by setting the hooking portion to the first position, the hooking portion can be hooked to the electric wire member. As a result, it is possible to temporarily hold the other portion of the electric wire member that is not fixed to the object to be attached in the length direction by the clamp.

Further, according to the above configuration, the wire member can be held by sandwiching the wire member between the hook portion and the clamp main body by placing the hook portion in the second posture. Therefore, the wire member is held at two locations by the first fixing portion and the hook portion. Thereby, the electric wire member can be stably held by the clamp.

Therefore, it is possible to temporarily hold the wire members while suppressing an increase in the number of parts.
In the wire harness described above, the clamp preferably has an engaging structure that engages the engaging portion and the clamp body in a state in which the engaging portion is at the second position.

According to this configuration, since the hooking portion at the second position is engaged with the clamp body, a separate member for holding the hooking portion at the second position is not required. As a result, an increase in the number of parts can be suppressed.

In the above wire harness, the engaging structure has an engaging convex portion provided on one of the hooking portion and the clamp body, and an engaging recessed portion provided on the other of the hooking portion and the clamp body. It is preferable that the engaging protrusions are configured to be engageable with the engaging recesses.

According to this configuration, the engagement structure can be easily realized by the uneven engagement relationship between the engagement projection and the engagement recess.
In the wire harness described above, it is preferable that the first fixing portion is fixed to the electric wire member by being wound with a tape together with the electric wire member.

According to this configuration, the configuration of the first fixing portion can be simplified.
In the wire harness described above, it is preferable that the wire member has a mark indicating a position at which the hooking portion is hooked.

According to the same configuration, variation in the position of the wire member at which the hooking portion is hooked can be suppressed depending on the operator. As a result, it is possible to effectively hold the electric wire members temporarily.
In addition, the operator can easily visually grasp the position of the wire member at which the hooking portion is to be hooked. Therefore, the workability of temporarily holding the electric wire members is improved.

ADVANTAGE OF THE INVENTION According to this invention, electric wire members can be temporarily hold|maintained suppressing the increase in a number of parts.

BRIEF DESCRIPTION OF THE DRAWINGS The perspective view which shows the wire harness of one Embodiment. FIG. 4 is a perspective view showing the clamp with the hooking portion at the first position; FIG. 4 is a perspective view showing the wire harness in a state where the hooking portion of the clamp is at the second position; FIG. 5 is a cross-sectional view showing the wire harness in a state where the hooking portion of the clamp is at the second position; Sectional drawing corresponding to FIG. 4 about the wire harness of a modification.

An embodiment will be described below with reference to FIGS. 1 to 4. FIG.
As shown in FIG. 1, the wire harness 10 includes a wire member 11 and a clamp 12 that fixes the wire member 11 to a bracket 51 of a vehicle body frame 50 to which the wire member 11 is attached.

The electric wire member 11 electrically connects devices (not shown) to each other. Connectors (not shown) are provided at both ends of the wire member 11 .
As shown in FIGS. 1 and 2, the clamp 12 has a clamp body 20, a hook portion 23, and a connecting portion 24. As shown in FIGS. The clamp 12 is made of resin and formed integrally.

As shown in FIG. 2, the clamp body 20 has a flat base portion 20A. Hereinafter, one surface (surface on the front side in the drawing) and the other surface of the base portion 20A will be described as a first surface and a second surface, respectively.

The base portion 20A has an elongated first portion 20a and a second portion 20b that bends and extends from one longitudinal end of the first portion 20a. The longitudinal direction of the first portion 20a and the extending direction of the second portion 20b are orthogonal. The length in the extending direction of the second portion 20b is shorter than the length in the longitudinal direction of the first portion 20a.

A first fixing portion 21 fixed to the wire member 11 is provided on the other end side in the longitudinal direction of the first portion 20a.
The first fixing portion 21 is fixed to the electric wire member 11 by being wound with the tape 40 together with the electric wire member 11 with the electric wire member 11 along the first surface of the first portion 20a (see FIGS. 1 and 4). 3).

A second fixing portion 22 fixed to the bracket 51 is provided on the second surface of the first portion 20a. The second fixing portion 22 has an insertion hole 22a that opens toward the base end side (lower end side in the figure) and into which the bracket 51 is inserted. The second fixing portion 22 is provided between the second portion 20b and the first fixing portion 21 in the longitudinal direction of the first portion 20a.

The hooking portion 23 is connected to a plate portion 23a extending along the extending direction of the second portion 20b (vertical direction in the figure) and a tip end side (upper side in the figure) of the plate portion 23a, and the wire member 11 is connected to the plate portion 23a. It has a curved portion 23b that can be hooked on. The curved portion 23b has a U-shaped cross section.

The first fixing portion 21, the second fixing portion 22, and the hooking portion 23 are arranged in order in the longitudinal direction of the first portion 20a, that is, the length direction of the portion of the wire member 11 to which the clamp 12 is attached. .

The connecting portion 24 is a hinge that rotatably connects the hooking portion 23 to the second portion 20 b of the clamp body 20 .
The hooking portion 23 is configured to be movable between a first position where it can be hooked onto the wire member 11 and a second position where it can hold the wire member 11 by sandwiching the wire member 11 together with the clamp body 20 .

As shown in FIGS. 1 and 2, when the hooking portion 23 is at the first position, the plate portion 23a is located on the opposite side of the connecting portion 24 from the base portion 20A.
As shown in FIGS. 3 and 4, when the hooking portion 23 is at the second position, the plate portion 23a is positioned on the same side of the connecting portion 24 as the base portion 20A.

The clamp 12 has an engaging structure 30 that engages the hooking portion 23 and the clamp body 20 when the hooking portion 23 is at the second position.
The engaging structure 30 has an engaging convex portion 31 provided on the hook portion 23 and an engaging concave portion 32 provided on the clamp body 20 .

The engaging convex portion 31 protrudes from the plate portion 23 a of the hook portion 23 . At the tip of the engaging projection 31, there is provided a hook-shaped engaging portion 31a that is tapered and prevents it from slipping out of the engaging recess 32 (see FIG. 4).

The engaging recess 32 is a hole penetrating the second portion 20b in the plate thickness direction.
The engagement projection 31 is configured to be engageable with the engagement recess 32 .
The electric wire member 11 has a mark 11a indicating a position where the hooking portion 23 is hooked. The mark 11 a may be configured by a tape or the like, or may be configured by coloring the insulation coating of the wire member 11 .

Next, the operation of this embodiment will be described.
The second fixing portion 22 is fixed to the bracket 51 of the body frame 50 while the first fixing portion 21 of the clamp 12 is fixed to the wire member 11 . In this state, by setting the hooking portion 23 to the first position, the hooking portion 23 can be hooked to the wire member 11 (operation 1 above).

Further, by placing the hooking portion 23 in the second posture, the wire member 11 can be held by sandwiching the wire member 11 between the hooking portion 23 and the clamp body 20 . As a result, the wire member 11 is held at two locations by the first fixing portion 21 and the hooking portion 23 (operation 2).

Next, the effects of this embodiment will be described.
(1) The clamp 12 includes a clamp body 20 having a first fixing portion 21 fixed to the wire member 11 and a second fixing portion 22 fixed to the bracket 51, and a hook portion 23 that can be hooked to the wire member 11. and a connecting portion 24 that rotatably connects the hooking portion 23 to the clamp body 20 . The hooking portion 23 is configured to be movable between a first position where it can be hooked onto the wire member 11 and a second position where it can hold the wire member 11 by sandwiching the wire member 11 together with the clamp body 20 .

According to such a configuration, by exerting the above effect 1, the clamp 12 can temporarily hold the other portion of the wire member 11 that is not fixed to the bracket 51 of the vehicle body frame 50 in the length direction.

Further, according to the above configuration, the electric wire member 11 can be stably held by the clamp 12 by exhibiting the function 2 described above.
Therefore, it is possible to temporarily hold the wire members 11 while suppressing an increase in the number of parts.

(2) The clamp 12 has an engaging structure 30 that engages the hooking portion 23 and the clamp body 20 when the hooking portion 23 is at the second position.
According to such a configuration, since the hooking portion 23 at the second position is engaged with the clamp body 20, a separate member for holding the hooking portion 23 at the second position is not required. As a result, an increase in the number of parts can be suppressed.

(3) The engaging structure 30 has an engaging convex portion 31 provided on the hook portion 23 and an engaging concave portion 32 provided on the clamp body 20 . The engagement projection 31 is configured to be engageable with the engagement recess 32 .

According to such a configuration, the engagement structure 30 can be easily realized by the uneven engagement relationship between the engagement projections 31 and the engagement recesses 32 .
(4) The first fixing portion 21 is fixed to the wire member 11 by being wound with the tape 40 together with the wire member 11 .

With such a configuration, the configuration of the first fixing portion 21 can be simplified.
(5) The wire member 11 has a mark 11a indicating a position where the hooking portion 23 is hooked.
According to such a configuration, variations in the position of the wire member 11 at which the hooking portion 23 is hooked can be suppressed depending on the operator. Thereby, the electric wire members 11 can be temporarily held effectively.

In addition, the operator can easily grasp the position of the wire member 11 at which the hooking portion 23 is hooked. Therefore, the workability of temporarily holding the wire members 11 is improved.
(6) The first fixing portion 21, the second fixing portion 22, and the hook portion 23 are arranged in order in the length direction of the portion of the wire member 11 to which the clamp 12 is attached.

According to such a configuration, the operator can easily visually recognize the first fixing portion 21 , the second fixing portion 22 , and the hooking portion 23 . Therefore, the work of attaching the wire harness 10 to the bracket 51 can be easily performed.

<Modification>
This embodiment can be implemented with the following modifications. This embodiment and the following modified examples can be implemented in combination with each other within a technically consistent range.

- The base portion 20A of the clamp body 20 may be configured in a gutter shape surrounding the wire member 11 .
- The mark 11a can be omitted.

- The 1st fixing|fixed part 21 is not limited to the structure by which the tape 40 is wound. For example, the wire member 11 may be wound with a binding band. In this case, a hole through which the binding band is inserted may be provided in the first fixing portion 21 .

- The locking portion 31a of the engaging convex portion 31 may be omitted.
- The engagement recess 32 may be a recess that does not penetrate the second portion 20b.
- The engagement structure 30 is not limited to the structure illustrated in the above embodiment. For example, the engagement concave portion 32 may be provided on the hook portion 23 and the engagement convex portion 31 may be provided on the second portion 20b. Further, as shown in FIG. 5, a bent portion 33 may be provided at the tip of the curved portion 23b of the hook portion 23. As shown in FIG. The bent portion 33 wraps around to the second surface side of the first portion 20a and is engaged with the second surface when the hook portion 23 is in the second position.

- The engaging structure 30 can be omitted. In this case, a holding member that holds the hooking portion 23 in the second posture may be provided separately from the clamp 12 .
- For example, you may make it provide the 2nd fixing|fixed part 22 in the 2nd surface side of the 2nd part 20b. That is, the second fixing portion 22 may be provided at the same position as the hook portion 23 in the length direction of the portion of the wire member 11 to which the clamp 12 is attached.

The second fixing portion 22 may have any shape as long as it is fixed to the object to be attached, and can be appropriately changed according to the shape of the object to be attached.

DESCRIPTION OF SYMBOLS 10... Wire harness 11... Electric wire member 11a... Mark 12... Clamp 20... Clamp body 20A... Base part 20a... First part 20b... Second part 21... First fixing part 22... Second fixing part 22a... Insertion hole 23... Locking portion 23a Plate portion 23b Curved portion 24 Connecting portion 30 Engaging structure 31 Engaging convex portion 31a Barb portion 32 Engaging concave portion 33 Bending portion 40 Tape 50 Body frame 51 Bracket ( mounting target)

Claims (5)

an electric wire member;
a clamp that fixes the wire member to an attachment target,
The clamp includes a clamp body having a first fixing portion fixed to the electric wire member and a second fixing portion fixed to the attachment target, a hooking portion that can be hooked to the electric wire member, and the clamp main body. and a connecting portion that rotatably connects the hooking portion to the
The hooking portion is configured to be movable between a first position that can be hooked to the wire member and a second position that can hold the wire member by sandwiching the wire member together with the clamp body.
wire harness. The clamp has an engagement structure that engages the locking portion and the clamp body in a state where the locking portion is at the second position.
The wire harness according to claim 1. The engaging structure has an engaging convex portion provided on one of the hooking portion and the clamp body, and an engaging recessed portion provided on the other of the hooking portion and the clamp body,
The engagement protrusion is configured to be engageable with the engagement recess,
The wire harness according to claim 2. The first fixing portion is fixed to the electric wire member by being wrapped with a tape together with the electric wire member,
The wire harness according to any one of claims 1 to 3. The electric wire member has a mark indicating a position at which the hooking portion is hooked,
The wire harness according to any one of claims 1 to 4.

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