JP2000134763A - Structure for mounting clamp on wire harness protector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a protector from being deformed due to the tightening force of a band clamp in mounting the band clamp on the protector. SOLUTION: This structure of L-shaped cross section has a sidewall 10c and a bottom wall 10d and is formed for mounting a band clamp 11 locking a vehicle body on a protector 10 permitting a wire harness to be inserted into it, whereas a notch 11e for mounting a band clamp is formed at the top end of the sidewall of a protector on the vehicle body side, and a band through-hole 11f is formed at the bottom wall beneath the notch. A body part 11a of the band clamp is fitted into the notch 11e, a band 11b extending from the body part is wound around the wire harness in the protector through the band through-hole 11f, from the outside of the sidewall of the protector on the vehicle body side. The band clamp is then tightened and fixed on the protector and the wire harness.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a clamp mounting structure for locking a protector to be externally mounted on a vehicle body for protecting a wire harness routed to an automobile.

[0002]

2. Description of the Related Art Wire harnesses to be routed to automobiles include:
A protector made of a resin molded product is provided in a portion where the wire harness may be damaged due to interference with other members attached to the automobile, and the wire harness is inserted into the protector so that the wire harness is inserted. Protected.

[0003] Since the protector provided on the wire harness needs to be fixed to the vehicle body, a band clamp is used for fixing the body, the band clamp is attached to the protector, and a locking portion provided on the band clamp is used. In some cases, the protector is fixed to the vehicle body.

For example, in a conventional example shown in FIGS. 10 and 11, a wire harness W / H is inserted into a protector 1 having an L-shaped cross section and bent at a right angle along the wiring direction of the wire harness. Both ends in the length direction of the protector 1 are connected to the wire harness W / using tapes 2A and 2B.
H, and the wire harness W / H is attached to the protector 1. Further, a pair of band clamps 3, 3 are attached to fix both sides of the horizontal arrangement portion 1a of the protector 1 to the vehicle body.

In the band clamp 3, a band portion 3b extends from one end of a substantially box-shaped main body portion 3a, and a band locking hole 3c for inserting and tightening the band portion 3b from the front end thereof is formed in the main body portion 3a. Provided on the lower side, and provided on the upper side of the main body 3a are locking cylinder portions 3d for inserting and locking stat bolts 6 protruding from the vehicle body 5.

The band clamp 3 is provided with a notch 1 provided at an upper end of a vertical side wall 1b of a horizontal arrangement portion 1a of the protector 1.
c, the main body 3a is fitted to and mounted on the outer surface of the bottom wall 1d rather than the outer surface of the vertical side wall 1b of the band 3b extending from the main body 3a. It is fastened and fixed by passing through a band locking hole 3c of the main body 3a. As described above, the protector 1 having the wire harness W / H inserted therein is inserted into the lock cylinder 3d of the band clamp 3 attached to the protector 1 and locked by inserting the stat bolt 6 protruding from the vehicle body 5. It is fixed to.

[0007]

As described above, the band portion 3b of the band clamp 3 is wound around the outer surface of the protector 1 and tightened.
The vertical side wall 1b and the bottom wall 1d, in particular, the bottom wall 1d of FIG.
It may be deformed as shown in (B) and inclined to the tightening side.

FIG. 11A shows a case where the protector 1 is in a normal state without being deformed. In this case, the vertical arrangement portion 1e which is bent downward from the horizontal arrangement portion 1a is vertically suspended. I do. However, when the protector 1 is deformed as shown in FIG.
e is obliquely inclined and deviates from the wiring harness routing path indicated by the two-dot chain line in the figure. If the wire harness is displaced from the wiring route, the protector 1 may interfere with the external interference material and the wiring harness may not be routed.

Furthermore, since the main body 3a of the band clamp 3 is merely fitted into the notch 1c provided at the upper end of the vertical side wall 1b of the protector 1 and mounted on the thin vertical side wall 1b, the main body is inclined. When the band is tightened, the main body 3a may be inclined and come off the notch 1c.
Cannot be held accurately. Therefore, the locking cylinder 3d of the band clamp 3 is displaced, so that there is a problem that it cannot be easily locked with the stat bolt 6 on the vehicle body 5 side.

The present invention has been made in view of the above problems, and has as its first object to prevent a protector from being deformed by tightening a band clamp. It is a second object of the present invention to stably hold the main body of the band clamp on the protector.

[0011]

According to the present invention, a band clamp for locking a vehicle body is provided to a protector having a side wall and a bottom wall and through which a wire harness is inserted, in order to solve the first problem. In the mounting structure, a notch for attaching a band clamp is provided at an upper end of a side wall on the vehicle body side of the protector, a band through hole is provided on a bottom wall directly below the notch, and a vehicle body locking portion of the band clamp is protruded. The band clamp body provided with the band locking hole is fitted into the notch of the protector, and the band extending from the body is passed through the band through hole from the outside of the vehicle body side wall of the protector. A wire harness having a configuration in which the band clamp is fastened and fixed to the protector and the wire harness after being wound around the wire harness. It provides a clamp structure for mounting use the protector.

As described above, when the band through hole is provided in the bottom wall just below the notch for attaching the main body of the band clamp, the band portion along the outer surface of the side wall of the protector is inserted into the inside of the protector through the band through hole. It can be pulled out and then wound around the wire harness that is inserted inside, then tightened by passing it through the band locking hole of the band clamp main body, because the band part will not be wound around the outer surface of the bottom wall of the protector, The deformation of the wall can be prevented.

More specifically, the protector has an L-shaped cross section, and has a bent shape having a horizontal arrangement portion and a vertical arrangement portion bent from one end thereof, and the band clamp is attached to the horizontal arrangement portion. It can be suitably applied when That is, in the case of the above-mentioned L-shaped cross section, since the bottom wall is easily deformed in particular, the deformation of the bottom wall can be prevented by not winding the band around the outer periphery of the bottom wall.
In this way, by not deforming the bottom wall of the horizontal arrangement portion, the vertical arrangement portion of the protector can be held in the vertical direction along the wiring route without tilting.

Further, in order to solve the second problem, the present invention further comprises a clamp mount having the same upper surface as the lower surface of the notch protruding from the inner surface of the side wall of the protector.
The main body of the band clamp is fitted into the notch, and is mounted on the clamp rest. In this manner, when the continuous clamp rest is provided on the lower surface of the notch, substantially the entire bottom surface of the band clamp body can be held, and the body of the band clamp can be stably held on the protector. Therefore, even when the band portion is tightened through the band locking hole of the main body portion, the main body portion does not tilt, and the vehicle locking portion can be accurately positioned at the set position.

Further, the present invention has a structure in which a protector having a side wall and a bottom wall and through which a wire harness is inserted is mounted with a band clamp for locking the vehicle body, wherein the upper end of the side wall on the vehicle body side of the protector is provided. In addition to providing a concave notch for attaching a band clamp, a clamp mounting base flush with the lower surface of the notch is provided so as to protrude from the inner surface of the side wall, and a band guide groove is provided at a tip of a bottom wall corresponding to the notch, The body portion of the band clamp, which has the body locking portion of the band clamp protruding and has the band locking hole, is fitted into the notch of the protector and placed on the clamp mounting base, and extends from the body portion. The band portion to be wound is wound through the band guide groove from the outside of the side wall on the vehicle body side of the protector, and then passed through the band locking hole, and the band clamp is fastened and fixed to the protector. Provides a clamp structure for mounting the wire harness protector has a configuration.

The vehicle body locking portion of the band clamp is used for locking a stud bolt protruding from the vehicle body, and has a configuration in which a locking piece is protruded from the inner surface of the cylindrical portion. The vehicle body locking portion provided on the band clamp may have a blade shape, and a locking hole may be provided in the vehicle body.

[0017]

Embodiments of the present invention will be described below with reference to the drawings. FIGS. 1 to 5 show a first embodiment, in which a protector 10 made of a resin molded product has an L-shaped cross section and a horizontal arrangement portion 10a along the wiring direction of a wire harness. Has a vertical arrangement portion 10b bent downward at a right angle from one end.

The protector 10 has a side wall 10c for arranging the side wall 10c along the body surface of the vehicle body and a bottom wall 10d. The wire harness W / H is inserted into a space S surrounded by the bottom wall 10d and the side wall 10c. I have to.

A notch 10e for attaching a band clamp is provided at the upper end of the side wall 10c of the horizontal arrangement portion 10a of the protector 10, and a band through hole 10f is provided at a bottom wall 10d immediately below the notch 10e. I have. Further, a clamp mount 10g having the same upper surface as the lower surface 10e-1 of the notch 10e is provided to protrude from the inner surface of the side wall 10c.

The band clamp 11 has a substantially box-shaped main body 11a and a band 11b extending from the main body 11a. The band clamp 11 is provided at a lower side of the main body 11a through a band locking hole 11c. At the same time, a locking cylinder 11d for fixing the vehicle body is provided on the upper side. The locking cylinder portion 11 above the lower portion provided with the band locking hole 11c of the main body portion 11a.
d is protruded to the vehicle body side, and with the locking cylinder portion 11d in contact with the vehicle body surface, a gap C is provided between the lower portion and the vehicle body surface, and the tip 11b-1 of the band portion 11b can be pulled out. Like that. Inside the band locking hole 11c, a locking piece 11h that locks with a tooth portion engraved on the band portion 11b protrudes. A locking piece 11i is protruded from the inner peripheral surface of the locking cylinder portion 11d for fixing the vehicle body, and a stat bolt 6 protruding from the vehicle body 5 is inserted and locked.

The band clamp 11 is shown in FIGS.
As shown in FIG. 5, the notch 10e of the side wall 10c is inserted into the protector 10 through which the wire harness W / H is inserted.
The main body 11a is fitted to the main body, and the clamp rest 10g
Mount on top and attach. In this state, the band portion 11b extending from the lower end on the back side of the main body portion 10a extends along the outer surface of the side wall 10c, and passes through the band through hole 10f formed in the bottom wall 10d from the lower end of the side wall 10c. It is drawn to S.

The band portion 11b drawn into the inner space S of the protector is wound around the outer periphery of the wire harness W / H, and is passed through the band locking hole 11c of the main body portion 11a and tightened. Thus, the band portion 1 of the band clamp 11
1b allows the wire harness W / H to be fixed to the protector 11, so that the conventionally required wire harness W / H
It is possible to eliminate the need for the tape to be fixed to the protector. Needless to say, tape winding and fixing may be used together.

When the band 11b is tightened, the bottom wall 10d of the protector 10 is not deformed because the band 11b is not wound. Therefore, the vertical arranging portion 10b bent from the horizontal arranging portion 10a to which the band clamp 11 is attached does not incline, but extends vertically downward as designed.

When the wire harness W / H is routed to the vehicle, the locking cylinder 11d of the band clamp 11 attached to the protector 10 is protruded from the vehicle body 5 as shown in FIGS. In accordance with the position of the bolt 6, insert the stat bolt 6 into the locking cylinder 11d,
The protector 10 is fixed to the vehicle body 5. In this manner, the protector 10 fixed to the vehicle body 5 has no deformation due to the tightening by the band clamp 11, and thus can be arranged along the designed route.

FIG. 6 shows a modification of the first embodiment, in which the protector 10 has a concave cross section. In the case of such a concave cross section, the band portion 11b of the band clamp 11
Is wound around the outer surface of the protector 10,
0 has a relatively large shape holding strength, so that the amount of deformation due to the winding of the band portion 11b is small, but if the tightening force of the band portion 11b is strong, deformation occurs.
As in the embodiment, a band through hole 10f is provided in the bottom wall 10d of the protector 10, so that the band portion 11b is not wound around the bottom wall 10d and the side wall 10k on the side opposite to the vehicle body. The other configuration is the same as that of the first embodiment, and thus the same reference numerals are given and the description is omitted.

FIGS. 7 to 9 show a second embodiment. Second
In the embodiment, the band clamp 11 is the same as that of the first embodiment, but the protector 10 has an L-shaped cross section.
A band guide groove 10m is provided at the end of the bottom wall 10d instead of not providing a band through hole in the bottom wall 10d. Further, similarly to the first embodiment, the notch 10 for attaching the clamp is provided.
e and a clamp mount 10g are provided.

In the second embodiment, the position of the band portion 11b wound around the protector 10 is regulated by the band guide groove 10m, and the main body portion 1 of the band clamp 11 is formed.
1a is fitted into the notch 10f and the clamp platform 1
Since the band clamp is held at 0 g, the band clamp can be stably mounted at a predetermined position.

[0028]

As is clear from the above description, according to the present invention, since the band through hole is provided in the bottom wall of the protector, the band portion of the band clamp is not wound around the bottom wall of the protector. The protector bottom wall can be prevented from being deformed by the tightening force of the band portion. Therefore, when the protector has a bent shape, it is possible to prevent the protector caused by the deformation of the bottom wall from coming off the wiring route.

Further, if a clamp rest is provided which is continuous with the lower surface of the notch for fitting the band clamp body provided on the protector, the body can be stably positioned and held on the protector. As a result, the vehicle body locking portion provided on the clamp can be accurately positioned at a position facing the locking portion on the vehicle body side, and the work of locking the clamp to the vehicle body can be facilitated.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a protector according to a first embodiment of the present invention.

FIG. 2 is a sectional view showing a state where a band clamp is attached to the protector.

FIG. 3 is a front view of FIG. 2;

FIG. 4 is a sectional view showing a state where the protector is fixed to a vehicle body via a band clamp.

FIG. 5 is an enlarged sectional view of a main part of FIG.

FIG. 6 is a cross-sectional view showing a modification of the first embodiment.

FIG. 7 is a perspective view illustrating a protector according to a second embodiment.

FIG. 8 is a cross-sectional view showing a state where a band clamp is attached to the protector of the second embodiment.

FIG. 9 is a front view of FIG. 8;

FIG. 10 is a perspective view showing a conventional example.

11A is a cross-sectional view of a normal state, and FIG. 11B is a cross-sectional view of a deformed state.

DESCRIPTION OF SYMBOLS 5 Vehicle body 6 Stat bolt 10 Protector 10a Horizontal arrangement part 10b Vertical arrangement part 10c Side wall 10d Bottom wall 10e Notch 10f Band through hole 10g Clamp mount 11 Band clamp 11a Body part 11b Band part 11c Band member Stop Hole 11d Cylindrical Locking Part W / H Wire Harness

Claims (5)

[Claims] 1. A protector having a side wall and a bottom wall, wherein a band clamp for locking a vehicle body is mounted on a protector through which a wire harness is inserted, wherein the band clamp is mounted on an upper end of a side wall of the protector on the vehicle body side. Notch, a band through hole is provided in the bottom wall directly below the notch, and a body portion of the band clamp provided with a vehicle body locking portion of the band clamp and having the band locking hole is connected to the protector of the protector. The band portion that is fitted into the notch and extends from the main body portion is wound around the wire harness inside the protector through the band through hole from outside the vehicle body side wall of the protector, and then passed through the band locking hole, and the band clamp is inserted. A clamp mounting structure to a wire harness protector that is configured to be fastened and fixed to the protector and the wire harness. 2. The protector has an L-shaped cross section, and a clamp mount having the same upper surface as the lower surface of the notch protrudes from an inner surface of the side wall on a side wall thereof, and a main body of the band clamp is fitted into the notch. The clamp mounting structure for a wire harness protector according to claim 1, wherein the clamp mounting structure is mounted on the clamp mounting table. 3. The protector according to claim 1, wherein the protector includes a horizontal arrangement portion,
4. The band clamp according to claim 1, wherein said band clamp is attached to said horizontal arrangement portion in a refraction shape having a vertical arrangement portion refracting from one end thereof.
The clamp mounting structure of the wire harness protector according to the paragraph. 4. A structure having a side wall and a bottom wall, wherein a band clamp for locking a vehicle body is mounted on a protector through which a wire harness is inserted, wherein the band clamp is mounted on an upper end of a side wall of the protector on a vehicle body side. A concave mounting notch, a clamp mounting base flush with the lower surface of the notch, protrudingly protruding from the inner surface of the side wall, and a band guide groove is provided at a tip of a bottom wall corresponding to the notch. The main body of the band clamp having the locking portion protruding and having the band locking hole is fitted into the notch of the protector and placed on the clamp rest, and the band extending from the main body is removed. The band is wound from the outside of the side wall on the vehicle body side of the protector through the band guide groove and then passed through the band locking hole to fasten and fix the band clamp to the protector. Clamp mounting structure of the ear harness for protector. 5. The vehicle body locking portion of the band clamp for locking a stud bolt protruding from the vehicle body, wherein a locking piece protrudes from an inner surface of the cylindrical portion. The clamp mounting structure to the wire harness protector according to claim 1.