JP7098549B2 - Fixing members and wire harness - Google Patents

Description

The present disclosure relates to fixing members and wire harnesses.

Patent Document 1 describes a fixing member for fixing a connector provided at an end of an electric wire to a fixing target such as a vehicle body. In the fixing structure of the fixing member and the connector, the fixing member and the connector are fixed by inserting one part of the connector into the lock portion of the fixing member.

Japanese Unexamined Patent Publication No. 8-326726

In the fixing structure as described above, since the connector is only fixed to the fixing member at the lock portion where one part of the connector is inserted, there is a problem that rattling occurs between the fixing member and the connector.

Therefore, it is an object of the present invention to provide a fixing member and a wire harness that can suppress rattling between the connector and the connector.

The fixing member of the present disclosure is a fixing member for fixing a connector provided at an end of an electric wire to a fixing target, and the three directions orthogonal to each other in the connector are the front-rear direction, the width direction, and the height of the connector, respectively. As a direction, from the lock portion in which the fixed portion of the connector is inserted in the front-rear direction and locked at least in the front-rear direction with respect to the fixed portion, the bottom wall portion having the lock portion, and the bottom wall portion. A first holding portion that is extended and has a pair of side wall portions that hold both sides in the width direction of the connector, and the first holding portion that is connected to each side wall portion on the side opposite to the bottom wall portion. A second holding portion that cooperates with the bottom wall portion of the portion to hold the connector in a height direction, and one of the first holding portion and the second holding portion is provided and fixed. It is a fixing member provided with a target-side fixing portion fixed to the target.

Further, the wire harness of the present disclosure is a wire harness including an electric wire, a connector provided at an end portion of the electric wire, and the fixing member for fixing the connector to a fixing target.

According to the present disclosure, it is possible to provide a fixing member and a wire harness that can suppress rattling between the connector and the connector.

FIG. 1 is a perspective view of a wire harness according to an embodiment. FIG. 2 is a plan view of the wire harness according to the embodiment. FIG. 3 is a side view of the wire harness according to the embodiment. FIG. 4 is a perspective view of the fixing member according to the embodiment. FIG. 5 is a perspective view of the connector according to the embodiment. FIG. 6 is a sectional view taken along line 6-6 in FIG. FIG. 7 is a sectional view taken along line 7-7 in FIG.

[Explanation of Embodiments of the present disclosure]
First, embodiments of the present disclosure will be listed and described.
The fixing member of the present disclosure is
(1) A fixing member for fixing a connector provided at an end of an electric wire to a fixing target, and the three directions orthogonal to each other in the connector are defined as the front-rear direction, the width direction, and the height direction of the connector, respectively. The fixed portion of the connector is inserted in the front-rear direction, and is extended from the lock portion that is locked at least in the front-rear direction with respect to the fixed portion, the bottom wall portion having the lock portion, and the bottom wall portion. A first holding portion having a pair of side wall portions that hold both sides of the connector in the width direction is connected to each side wall portion on the opposite side of the bottom wall portion, and the bottom of the first holding portion is connected. A second holding portion that cooperates with the wall portion to hold the connector in a height direction, and one of the first holding portion and the second holding portion are provided and fixed to the fixing target. It is a fixing member provided with a fixing portion on the target side.

According to the above aspect, both sides of the connector mounted on the lock portion in the width direction are held by a pair of side wall portions, and the connector is held by being sandwiched between the second holding portion and the bottom wall portion of the first holding portion. By doing so, the connector can be stably held with respect to the fixing member, and rattling between the fixing member and the connector can be suppressed.

(2) The second holding portion is configured to be detachable from the first holding portion, and the locking portion is also locked to the fixed portion of the connector in the height direction. Is preferable. According to this aspect, even when the second holding portion is removed from the first holding portion, it is possible to prevent the connector from coming out from between the side wall portions due to the locking of the lock portion. ..

(3) It is preferable that the fixing member of the present disclosure is provided with an electric wire guide portion for guiding the electric wire so as to extend from the bottom wall portion and each side wall portion of the first holding portion. According to this aspect, it is possible to guide the electric wire extending from the connector by the electric wire guide portion extending from the first holding portion holding the connector.

(4) The fixing member of the present disclosure preferably includes a second target-side fixing portion fixed to the fixing target in the wire guide portion. According to this aspect, since the second target-side fixing portion provided in the electric wire guide portion is fixed to the fixing target, the electric wire guided by the electric wire guide portion can be stably held.

(5) The wire harness of the present disclosure is a wire harness using the fixing member according to any one of (1) to (4) above. According to this aspect, both sides of the connector mounted on the lock portion in the width direction are held by a pair of side wall portions, and the connector is held by being sandwiched between the second holding portion and the bottom wall portion of the first holding portion. By doing so, the connector can be stably held with respect to the fixing member, and rattling between the fixing member and the connector can be suppressed.

[Details of Embodiments of the present disclosure]
Specific examples of the fixing member and the wire harness of the present disclosure will be described below with reference to the drawings. It should be noted that the present invention is not limited to these examples, and is indicated by the scope of claims, and is intended to include all modifications within the meaning and scope equivalent to the scope of claims.

The wire harness 10 of the present embodiment is a wire harness fixed to, for example, the upper surface in the vertical direction of the engine 100 (see FIG. 3) of the vehicle.
As shown in FIGS. 1 to 3, in the wire harness 10, the electric wire 11 composed of one wire or a plurality of wires, the connector 12 provided at one end of the electric wire 11, and the connector 12 are fixed to the side surface of the engine 100. It is provided with a fixing member 13 for the purpose. The connector 12 is connected to, for example, a mating connector (not shown) extending from the engine 100 side. In some drawings, the electric wire 11 is omitted for convenience of explanation. Further, the X-axis in the XYZ axes in the drawing represents the front-back direction of the connector 12, the Y-axis represents the width direction of the connector 12 orthogonal to the X-axis, and the Z-axis represents the height of the connector 12 orthogonal to the XY plane. It represents the direction.

The connector 12 is attached to the mating connector along the X-axis direction. As shown in FIGS. 5 and 7, the connector housing 14 of the connector 12 is fixed to the housing main body 15 and the fixing member 13 in which a connection terminal or the like which is an electrical contact with the mating connector is accommodated. It has a fixed portion 16. In this example, the fixed portion 16 is provided so as to project from the lower surface (one side surface in the Z-axis direction) of the housing main body portion 15. In FIG. 7, for convenience of explanation, the inside of the housing main body 15 is not shown.

The fixing member 13 is an injection-molded product made of a synthetic resin material. As shown in FIGS. 1 to 3, the fixing member 13 includes a connector holding portion 21 for holding the connector 12, and an electric wire guide portion 22 extending integrally from the connector holding portion 21. The electric wire guide portion 22 guides the electric wire 11 extending from the connector 12 fixed to the connector holding portion 21. The connector holding portion 21 and the electric wire guide portion 22 are provided with a first fixing portion 23 and a second fixing portion 24, which are portions fixed to the engine 100, respectively.

As shown in FIGS. 4 and 7, the connector holding portion 21 includes a first holding portion 26 and a second holding portion 27 that are connected to each other via a hinge portion 25. The first holding portion 26, the second holding portion 27, and the hinge portion 25 are integral products formed by injection molding. The connector holding portion 21 is configured so that the connector 12 can be sandwiched in the height direction (Z-axis direction) by the first holding portion 26 and the second holding portion 27.

The first holding portion 26 has a bottom wall portion 31 and a pair of side wall portions 32a and 32b. The first holding portion 26 has a concave cross section in which a cross section orthogonal to the X-axis direction opens upward (one in the Z-axis direction) from the bottom wall portion 31 and the side wall portions 32a and 32b.

As shown in FIGS. 4, 6 and 7, the bottom wall portion 31 is provided with a lock portion 33 to which the fixed portion 16 of the connector 12 is fixed. The lock portion 33 engages with the fixed portion 16 of the connector 12 in the X-axis direction, the Y-axis direction, and the Z-axis direction.

The lock portion 33 has a fitting recess 34 recessed in the Z-axis direction from the upper surface of the bottom wall portion 31, and a locking piece 35 formed in the fitting recess 34 extending in the X-axis direction. The fitting recess 34 is configured so that the fixed portion 16 of the connector 12 can be inserted in the X-axis direction. Further, the fitting recess 34 has contact portions 34a that are in contact with both side surfaces of the fixed portion 16 fitted in the fitting recess 34 in the Y-axis direction.

The locking piece 35 extends in the X-axis direction from the wall surface 33a of the lock portion 33 perpendicular to the X-axis direction. The tip locking portion 35a formed at the tip portion in the X-axis direction (tip portion in the extending direction) of the locking piece 35 is relative to the connector-side locking portion 16a formed in the fixed portion 16 of the connector 12. It is designed to be locked in the X-axis direction. The fixed portion 16 inserted into the fitting recess 34 in the X-axis direction is fixed in the X-axis direction by the wall surface 33a of the fitting recess 34 and the tip locking portion 35a of the locking piece 35.

Further, the locking piece 35 of the locking portion 33 is locked to the pair of claw portions 16b (see FIG. 5) of the fixed portion 16 of the connector 12 in the Z-axis direction. The connector 12 does not come off upward in the Z-axis direction. The locking piece 35 is connected to the bottom surface of the fitting recess 34 in the Z-axis direction by a pair of connecting portions 36 (see FIG. 7). As a result, the locking piece 35 does not easily bend in the Z-axis direction.

As shown in FIGS. 4 and 7, the bottom wall portion 31 has facing portions 37 facing the lower surface of the housing main body portion 15 in the Z-axis direction on both sides of the fitting recess 34 in the Y-axis direction. The side wall portions 32a and 32b extend upward in the Z-axis direction from both end edges (outer edges of the facing portions 37) of the bottom wall portion 31 in the Y-axis direction. The side wall portions 32a and 32b are substantially parallel to each other and face each other in the Y-axis direction. The pair of side wall portions 32a and 32b hold both sides of the connector 12 accommodated between the pair of side wall portions 32a and 32b in the Y-axis direction.

The upper end portion of one side wall portion 32a of the first holding portion 26 and one side edge of the second holding portion 27 in the Y-axis direction are connected via a hinge portion 25. The second holding portion 27 is configured to be rotatable between a closed position that closes the upper opening of the first holding portion 26 and an open position that opens the upper opening, with the hinge portion 25 as a rotation axis.

On the other side edge of the second holding portion 27 in the Y-axis direction (the side edge opposite to the side connected to the hinge portion 25), a locked portion provided on the other side wall portion 32b of the first holding portion 26. A locking portion 27a that can be locked to 38 is formed.

As shown in FIG. 7, the second holding portion 27 is locked to the locked portion 38 of the side wall portion 32b in the closed position. As a result, the second holding portion 27 is connected to the side wall portions 32a and 32b of the first holding portion 26. In a state where the second holding portion 27 is connected to the side wall portions 32a and 32b, the connector holding portion 21 is formed into a cylindrical shape surrounding the connector housing 14 by the first holding portion 26 and the second holding portion 27.

The first fixing portion 23 fixed to the engine 100 side is integrally formed with the first holding portion 26, and more specifically, protrudes downward from the bottom wall portion 31 in the Z-axis direction. The first fixing portion 23 is fixed to the plate material by being inserted into a through hole (not shown) formed in the plate material constituting the fixed portion on the engine 100 side. The first fixing portion 23 includes a pair of urging portions 23a and a pair of blade portions 23b. Then, the fixing member 13 is fixed to the plate material by sandwiching the plate material between each urging portion 23a and each blade portion 23b in the thickness direction.

As shown in FIGS. 1 and 4, the electric wire guide portion 22 has a bottom wall portion 41 and a pair of side wall portions 42. The bottom wall portion 41 extends integrally from the bottom wall portion 31 of the first holding portion 26. The pair of side wall portions 42 extend integrally from the side wall portions 32a and 32b of the first holding portion 26, respectively. The electric wire guide portion 22 has a concave cross section in which a cross section orthogonal to the X-axis direction opens upward (one in the Z-axis direction) from the bottom wall portion 41 and each side wall portion 42. A reinforcing rib 43 is formed on the bottom surface of the electric wire guide portion 22 (the upper surface of the bottom wall portion 41). Further, the second holding portion 27 of the connector holding portion 21 has a covering portion 27b extending toward the wire guide portion 22 and covering a part of the wire guide portion 22. The covering portion 27b abuts on the upper end portion (open side end portion) of each side wall portion 42 in the Z-axis direction and faces the bottom wall portion 41 in the Z-axis direction. The covering portion 27b covers a part of the electric wire 11 housed in the electric wire guide portion 22.

As shown in FIG. 1, the electric wire 11 extending from the connector 12 is housed in the electric wire guide portion 22 along the electric wire guide portion 22. Further, the electric wire 11 is fixed to the fixing member 13 in a state of being accommodated in the electric wire guide portion 22 by the tape 50 wound around the electric wire guide portion 22 a plurality of times. A lead-out portion 22a for leading out the electric wire 11 is formed at the rear end portion of the electric wire guide portion 22 (the end portion on the opposite side of the connector holding portion 21).

As shown in FIG. 3, the second fixing portion 24 fixed to the engine 100 side is integrally formed with the electric wire guide portion 22, and more specifically, in the Z-axis direction from the bottom wall portion 41 of the electric wire guide portion 22. It protrudes below. Similar to the first fixing portion 23, the second fixing portion 24 is fixed to the plate material by being inserted into a through hole (not shown) formed in the plate material constituting the fixed portion on the engine 100 side. The second fixing portion 24 includes a pair of urging portions 24a and a pair of blade portions 24b. Then, the fixing member 13 is fixed to the plate material by sandwiching the plate material between each urging portion 24a and each blade portion 24b in the thickness direction.

Next, the mode of assembling the connector 12 and the electric wire 11 to the fixing member 13 will be described.
When assembling the connector 12 to the fixing member 13, the fixed portion 16 of the connector 12 is inserted into the fitting recess 34 of the lock portion 33 in the X-axis direction. At this time, the connector-side locking portion 16a bends in the Z-axis direction due to the contact of the locking portion 33 with the locking piece 35, and the elasticity when the connector-side locking portion 16a is inserted to a predetermined position in the X-axis direction. By the return, the connector side locking portion 16a and the tip locking portion 35a of the locking piece 35 are locked in the X-axis direction. Further, the locking piece 35 and the fitting recess 34 are in contact with the fixed portion 16 in the Y-axis direction. Further, by engaging the claw portion 16b of the fixed portion 16 with the locking piece 35 in the Z-axis direction, the upward movement of the connector 12 in the Z-axis direction is restricted. In this way, by inserting the fixed portion 16 of the connector 12 into the fitting recess 34 of the lock portion 33 in the X-axis direction, the fixed portion 16 is fixed to the lock portion 33.

After fixing the fixed portion 16 of the connector 12 to the lock portion 33, the second holding portion 27 is rotated to the closed position, and the locking portion 27a of the second holding portion 27 is locked to the side wall portion 32b. Lock to 38. As a result, the connector 12 is held so as to be sandwiched between the second holding portion 27 and the bottom wall portion 31 of the first holding portion 26 in the Z-axis direction.

Further, after the electric wire 11 extending from the connector 12 is housed in the electric wire guide portion 22, the electric wire 11 is fixed to the electric wire guide portion 22 by winding the tape 50 around the electric wire guide portion 22.
After that, the first and second fixing portions 23, 24 of the fixing member 13 to which the connector 12 and the electric wire 11 are fixed are fixed to the fixed portion (the plate material) of the engine 100. As a result, the connector 12 and the electric wire 11 can be wired along, for example, the upper surface of the engine 100 in the vertical direction.

The effect of the above embodiment will be described.
(1) A pair of side wall portions 32a and 32b hold both sides of the connector 12 mounted on the lock portion 33 in the width direction (Y-axis direction), and the connector 12 is held by the second holding portion 27 and the first holding portion 26. It is held in such a manner that it is sandwiched between the bottom wall portion 31 and the bottom wall portion 31 in the height direction (Z-axis direction). As a result, the connector 12 can be stably held with respect to the fixing member 13, and rattling between the fixing member 13 and the connector 12 can be suppressed. As a result, when the vibration of the engine 100 is transmitted to the fixing member 13, it is possible to suppress that the vibration of the connector 12 is amplified due to the rattling between the fixing member 13 and the connector 12. In particular, in the above embodiment, since it is applied to the fixing member 13 for fixing the connector 12 to the engine 100 where vibration is likely to occur, the vibration suppressing effect of the connector 12 can be remarkably obtained.

(2) The lock portion 33 is also locked with respect to the fixed portion 16 of the connector 12 in the height direction (Z-axis direction). Therefore, the locking portion 27a of the second holding portion 27 is disengaged from the locked portion 38 of the first holding portion 26, and the second holding portion 27 is opened (the first holding portion 26 is opened). Even so, it is possible to prevent the connector 12 from coming out from between the side wall portions 32a and 32b due to the locking of the lock portion 33.

(3) The fixing member 13 includes an electric wire guide portion 22 for guiding the electric wire 11 so as to extend from the bottom wall portion 31 of the first holding portion 26 and the side wall portions 32a and 32b. According to this aspect, the electric wire guide portion 22 extending from the first holding portion 26 that holds the connector 12 can guide the electric wire 11 extending from the connector 12. Further, by fixing the electric wire 11 to the electric wire guide portion 22, the fixing member 13, the connector 12, and the electric wire 11 are integrally configured. As a result, when the fixing member 13 vibrates, the load applied to the lead-out portion of the electric wire 11 from the connector 12 can be suppressed.

(4) The fixing member 13 includes a second fixing portion 24 fixed to the engine 100 in the electric wire guide portion 22. According to this aspect, the electric wire 11 guided by the electric wire guide portion 22 can be stably held, and the vibration of the electric wire 11 can be suppressed.

This embodiment can be modified and implemented as follows. The present embodiment and the following modified examples can be implemented in combination with each other within a technically consistent range.
In the above embodiment, the first fixing portion 23 protrudes from the first holding portion 26 in the Z-axis direction, but the present invention is not particularly limited to this, and for example, the bottom wall portion 31 of the first holding portion 26 and a pair of side walls. It may be configured to protrude in the Y-axis direction from any of the portions 32a and 32b.

-In the above embodiment, the example in which the wire harness 10 is fixed to the upper surface in the vertical direction of the engine 100 is shown, but it can also be applied to the wire harness provided on the side surface (end face in the vertical orthogonal direction) of the engine 100.

-In the above embodiment, the target side fixing portion (first fixing portion 23) fixed to the engine 100 as a fixing target is provided in the first holding portion 26, but the present invention is not limited to this, and the target side fixing portion is fixed. The portion may be provided in, for example, the second holding portion 27.

The electric wire guide portion 22 including the second fixing portion 24 may be omitted from the fixing member 13 of the above embodiment.
The second holding portion 27 may be configured separately from the first holding portion 26.

In the above embodiment, the fixing member 13 for fixing the connector 12 to the engine 100 has been described as an example, but the target for fixing the fixing member 13 is, for example, a vehicle body panel or a fixing other than the vehicle other than the engine 100. It may be a target.

10 ... Wire harness 11 ... Electric wire 12 ... Connector 13 ... Fixing member 16 ... Fixed part 23 ... First fixing part (target side fixing part)
24 ... Second fixed portion (second target side fixed portion)
26 ... 1st holding part 27 ... 2nd holding part 31 ... Bottom wall part 32a, 32b ... Side wall part 33 ... Lock part 100 ... Engine (fixed target)

Claims (5)

It is a fixing member for fixing the connector provided at the end of the electric wire to the fixing target.
The three directions orthogonal to each other in the connector are defined as the front-rear direction, the width direction, and the height direction of the connector, respectively.
A lock portion in which the fixed portion of the connector is inserted in the front-rear direction and is locked at least in the front-rear direction with respect to the fixed portion.
A bottom wall portion having the lock portion, and a first holding portion having a pair of side wall portions extending from the bottom wall portion and holding both sides in the width direction of the connector.
A second holding portion that is connected to each of the side wall portions on the side opposite to the bottom wall portion and holds the connector in a manner of sandwiching the connector in the height direction in cooperation with the bottom wall portion of the first holding portion. When,
A target-side fixing portion provided on either one of the first holding portion and the second holding portion and fixed to the fixing target is provided .
The lock portion is a fixing member that is also locked to the fixed portion of the connector in the height direction . The fixing member according to claim 1, wherein the second holding portion is configured to be detachable from the first holding portion. The fixing member according to claim 1 or 2, wherein the electric wire guide portion for guiding the electric wire is provided so as to extend from the bottom wall portion of the first holding portion and each of the side wall portions. The fixing member according to claim 3, wherein the electric wire guide portion is provided with a second target-side fixing portion to be fixed to the fixing target. With electric wires
The connector provided at the end of the electric wire and
A wire harness comprising the fixing member according to any one of claims 1 to 4, for fixing the connector to a fixing target.

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