JP2001095126A - Wiring harness protector device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To connect the other side protector unit to one side protector unit easily and securely without being disturbed by a wiring harness and, further, attach the wiring harness unified with the protector main part to an attachment unit without using a protector cover. SOLUTION: Locking parts 24 are made to protrude from the outer walls of one of a 1st and 2nd protector units 11 and 12. Locked parts 27 which can be engaged by the locking parts 24 are made to protrude from the outer walls of the other one of the 1st and 2nd protector units 11 and 12. Further, guide means 21 and 22 are provided between the 1st protector unit 11 and the 2nd protector unit 12. When the 1st and 2nd protector units 11 and 12 are connected to each other, the locked parts 27 are engaged by the locking parts 24 while they are guided by the guide means 21 and 22.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to an automobile, an aircraft,
The present invention relates to a wire harness protector device suitable for use in various industrial fields such as trains and manufacturing plants.

[0002]

2. Description of the Related Art Electric wires connecting a battery of an automobile and electric loads such as spark plugs, lights, a power window device, and a wiper device are bundled in a wire bundle called a wire harness and routed on a vehicle body. In order to prevent a short circuit due to breakage, breakage, and the like of the wire harness, the wire harness is covered and protected by a protector device. In addition, the wire harness is usually attached to a narrow part of the working space, such as a corner of a vehicle body.
For this reason, from the viewpoint of improving the efficiency of automobile manufacturing, a protector device is attached at the stage of manufacturing a wire harness by binding electric wires in advance, and the protector device is attached to a vehicle body using the protector device.

As a conventional wire harness protector, there is, for example, one disclosed in Japanese Utility Model Laid-Open No. 5-41330 (hereinafter referred to as "conventional device"). That is, as shown in FIG. 13, this is a wire harness protector device arranged at a bent portion such as a corner portion, but the protector body B made of a synthetic resin is the same as the first protector portion 1. It has a divided structure including the second protector unit 2. A wire harness (not shown) is routed to the first protector unit 1 and the second protector unit 2 is connected to the wire harness. Thereafter, one protector cover 3 has its claws from above as indicated by a two-dot chain line. 4 is attached by engaging the engaging portions 5 and 6 on the protector portions 1 and 2 side. Here, in order to connect the second protector section 2 to the first protector section 1, the engagement protrusion 7 is inserted into the curved ball-shaped hole 8 drilled on the first protector section 1 side inside the wall section. It is performed by fitting. That is, the connection is made while slightly bending the protruding piece 9 of the second protector 2 inward (toward the wire harness) and pushing it toward the first protector 1. In addition, by the mechanism which engages with the engagement projection part 7 and the hole 8 of a curved ball shape,
The wire harness can be easily bent at an arbitrary angle around the engagement protrusion 7 even at a portion such as a corner portion and can be routed.

[0004]

In the conventional apparatus, in the process of manufacturing the wire harness, the first protector unit 1 is in a state in which the wire harness is previously wired. For this reason, it is necessary to slightly bend the inside of the protruding piece 9 of the second protector section 2 connected to the first protector section 1 later and to push the protruding piece 9 toward the first protector section as it is. there were. For this reason, the wire harness becomes a hindrance, and there has been a drawback that the connection or connection work of the protector parts 1 and 2 becomes difficult accordingly. In addition, since the conventional device employs a rotating hinge structure using a curved ball-shaped hole 8 formed by the engaging projection 7, the coupling force at the connection portion is small, and therefore the protector cover 3 is connected to the protector portions 1 and 2. In a state where the protector main body A is not fitted and fitted to the joint portions 5 and 6, the protector main body A cannot be positioned, so that there is a disadvantage that the protector device cannot be fixedly attached to a predetermined portion.

The present invention has been devised in view of the above-mentioned circumstances, and can easily connect and unite the respective parts of the protector body having a divided structure even in a state where a wire harness is routed, and at a low cost. An object of the present invention is to provide a wire harness protector device capable of manufacturing a harness.

[0006]

In order to achieve the above object, a wire harness protector device according to the first aspect of the present invention is formed by connecting a first protector portion 11 and a second protector portion 12 to each other. Protector body B
Protector cover C attached to protector body B
And a wire harness D which is housed and protected in a space formed between the protector body B and the protector cover C, and wherein any one of the first and second protector portions 11 and 12 is provided. The locking portion 24 is projected from one outer surface, and the locked portion 27 that can be engaged with the locking portion 24 is projected from the outer surface of the other one of the first and second protector portions 11 and 12. And when guide means 21 and 22 are provided between the first protector section 11 and the second protector section 12 to couple the first and second protector sections 11 and 12, The locking portion 24 and the locked portion 27 are configured to engage while being guided by the guide means 21 and 22.

According to a second aspect of the present invention, there is provided the wire harness protector according to the first aspect, wherein the guide means is provided on one of the first and second protector portions, And a fitting portion provided on one of the other of the first and second protector portions and formed to fit with the projection portion.

According to a third aspect of the present invention, there is provided the wire harness protector according to the first aspect, wherein the guide means is formed by a projection provided on one of the outer surfaces of the first and second protector portions. The other of the first and second protector portions 11 and 12 is configured to contact and be guided by the projection.

The invention according to claim 4 is the invention according to claim 2 or 3.
Wherein a tongue extending in a tongue shape is provided at the bottom of one of the first and second protectors, and the wire harness D is wound around the tongue. It is characterized by being able to be fixed.

According to a fifth aspect of the present invention, there is provided the wire harness protector device according to any one of the first to fourth aspects, wherein the protector cover is a first cover portion attached to the first protector portion. And a second cover portion attached to the second protector portion, wherein the first or second cover portion extends a connection portion between the first protector portion and the second protector portion. The second protector section or the first protector section is attached.

According to the first aspect of the present invention, the locking portion protrudes from the outer surface of one of the first and second protector portions, and the other of the first and second protector portions. A protruding portion to be engaged with the locking portion is provided on an outer surface of the protruding portion, and guide means are provided between the first protector portion and the second protector portion, and the first and second protectors are provided. When the two protector portions are combined, the locking portion and the locked portion are configured to engage while being guided by the guide means, so that the locking portion and the locked portion are smoothly moved by the guide means. And the two protector portions are connected to each other in a direction substantially orthogonal to the longitudinal axis direction of the wire harness.

According to the second aspect of the present invention, since the projection is configured to be fitted to the fitting portion, the first protector portion and the second protector portion are connected at the joint thereof. The strength is strong without play, coupled with the engaging force of the engagement between the locking portion and the locked portion.

According to the third aspect of the present invention, one side of the guide means is attached to the protrusion provided on one of the outer surfaces of the first and second protector portions. Since the other of the protector portions is configured to be guided in contact with the projection, the two protector portions can be easily combined.

According to a fourth aspect of the present invention, there is provided the wire harness protector device according to the second or third aspect, wherein a tongue is provided on one of the bottoms of the first and second protector portions. Since a tongue piece extending in a shape is provided and the wire harness D can be wound around the tongue piece and fixed,
In a state where the wire harness is fixed to one of the first protector and the second protector in advance, the other protector is connected and assembled.

[0015]
According to the fifth aspect of the present invention, a first aspect is provided.
The protector cover according to any one of claims 1 to 4, wherein the protector cover includes a first cover portion attached to a first protector portion, and a second cover portion attached to a second protector portion. The first or second cover portion is covered by a second protector portion or a first protector portion extending a connection portion between the first protector portion and the second protector portion. As a result, the rigidity of the protector device is increased.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The structure of an embodiment of the present invention will be described below in detail with reference to FIGS. FIG. 1 is an exploded view of the protector body B. FIG. 2 is an assembly diagram for assembling the protector cover C to the assembled protector body B. FIG. 4 is an explanatory diagram in which a wire harness D is wound around a protector portion (a first protector portion 15 described later) with a tape before fixing the protector cover C.

First, a protector device for a wire harness according to the present embodiment is formed of a synthetic resin material, and includes a protector body B including a first protector portion 11 and a second protector portion 12, and a first cover portion. A protector cover C including a cover 13 and a second cover portion 14 is a main component.

The first protector portion 11 and the second protector portion 12 have the same thickness t, and both have a bottom portion 1.
5 and 16 and walls 17 and 18 erected substantially vertically from the bottom on both sides thereof, and each of the cross sections is formed in a concave shape (gutter shape) by the bottom and the wall. Here, the heights of the walls 17, 18 and the width between the walls in each protector are set to the same dimensions. The bottom portion 15 of the first protector portion 11 has a step portion 19 substantially equal to the dimension t.
And a tongue-shaped tape wrench 20 extending at its end
(Hereinafter referred to as a “tongue piece”). Reference numeral 21 denotes a fitting hole having a box-shaped cavity as one guide means. When the two protectors 11 and 12 are docked and connected, a box-shaped projection 22 (hereinafter referred to as a “boss”), which is another guide means protruding from the second protector 12, is a fitting hole. 21 is formed. Also, the wall 1 of the first protector 11
The engaging holes 2 penetrating in the vertical direction are provided on the left and right outer surfaces of the seven ends.
The locking portions 24 each having 3 are protruded. Reference numeral 25 denotes an engagement portion for attaching the first cover portion 13, and reference numeral 26 denotes an engagement portion for attaching one end of the second cover portion 14.

Next, regarding the second protector unit 12,
At the end of the wall 18, a wall 18 ′ that is offset outward by a dimension equal to the thickness t of the wall 18 is formed.
A locked portion 27 (hereinafter, referred to as a “hook portion”) that is pressed into the engagement hole 23 of the locking portion 24 and engages with the locking portion 24 is formed at the upper end thereof. There is a gap 28 between the offset wall portion 18 ′ and the wall portion 18. The clearance 28 is provided for the escape portion provided in consideration of the hook portion 27 being fitted into the locking portion 24. Groove 28.

Here, the fitting hole 21 and the boss 2 serving as guide means when the two protector portions 11 and 12 are connected to each other.
A description will be given of a dimension setting relationship between the hook 2 and the locking portion 24 and the hook portion 27. That is, when the first protector section 11 and the second protector section 12 are relatively displaced relative to each other in the vertical direction with respect to the bottom sections 15 and 16, the inside of the left and right offset wall sections 18 ′ is the first protector section 11. Wall part 1
7 touches the outside. At that time, the boss 22 first enters the fitting hole 21 as shown by the dashed line in FIG. At this time, the hook portion 27 has not yet reached the locking portion 24. As shown in FIG. 3, the dimensional relationship is set such that the hook portion 27 is engaged with the locking portion 24 only when the boss 22 is completely fitted into the fitting hole 21. The step 19
Is the second protector part 1 at the time of connection.
The length is set such that the bottom 16 near the end of the second 2 is substantially fit under the step.

Next, regarding the protector cover C, FIG.
The first cover 13 and the second cover 14 are formed as described above, and each of the covers 13 and 14 is formed so as to be able to engage with the engaging portion 25 and the engaging portion 26 as shown by a dashed line. Engagement claws 29, 30 are provided. When the engaging claws 29, 30 are engaged with the corresponding engaging portions 25, 26, the two protector portions 11, 12 are covered.

Although not shown, it is needless to say that not only the engaging claws 29, 30 but also the engaging claws having substantially the same structure are appropriately provided on the cover portions 13, 14, respectively. Also, on the lower surface of each protector section 11, 12,
Locking means (not shown) is appropriately provided to facilitate fixing to the vehicle body.

Here, a method of attaching the protector device of the present embodiment will be described. As shown in FIG. 4, the bound wire harness D is connected to the first protector unit 1.
Set to 1. At this time, the wire harness D is wound around the tongue piece 20 with a tape. In this case, the work of winding the tape D ′ may be performed in a state where the first cover 13 is attached to the first protector 11.

Next, the first protector unit 11 in this state
, The second protector unit 12 is connected. First, the two protectors 11 and 12 are brought close to each other, and the boss 22 is fitted into the fitting hole 21. At this time, the hook portion 27 is
4 is inserted into the engaging hole 23. As shown in FIG.
When the lower surface of the second protector 12 is seated on the bottom portion 16 of the second protector portion 12, the hook portion 27 is engaged with the locking portion 24. Then
By engaging the engaging claw 30 of the second cover part 14 with the engaging part 26, the second cover part 14
Attached to. Thus, as shown in FIG. 5, the protector device including the protector body B and the protector cover C was mounted on the wire harness D.

According to the present embodiment, the boss 22 is
Hook 2
7 is easily fitted into the locking portion 24 and locked. As a result, there is an effect that the efficiency of the connection or connection work of the first and second protectors can be significantly improved. Also,
Since the two protector portions 11 and 12 are combined by vertical relative displacement, the wire harness D can be fixed to the first protector portion 11 in advance, so that the wire harness can be easily manufactured. There is an excellent effect. Further, since the hook portion 27 is fitted to the locking portion 24, the two protector portions 1
1 and 12 are firmly connected and fixed, and do not cause bending deformation around the connection portion. For this reason, the protector main body B can be used without using the protector cover C. When the cover C is used, the relative positions of the engaging claws 29, 30 of the cover portions 13, 14 and the engaging portions 25, 26 therewith do not shift, so that the cover portion can be easily attached. There is.

Next, a first modification of the above embodiment will be described with reference to FIGS. In the above-described embodiment, the boss 22 serving as a projection, which is a guide unit, is connected to the second protector unit 12.
And the corresponding fitting hole 21 as a fitting portion is provided in the first protector portion 11, but in a modified example, these are reversed, that is, the step portion 19 of the first protector portion 11 is provided. A boss 22 ′ serving as a protruding portion may be provided on the lower surface of the second protector portion 12 by providing a fitting hole 21 ′ serving as a fitting portion. Other configurations are substantially the same as the above embodiment.

Therefore, even in the case of the first modification, the fitting hole 21 'is guided by the boss 22'. When the fitted state is achieved as shown in FIG. 7, the hook portion 27 is fitted to the locking portion 27. Thus, the second protector unit 12 can be coupled from below the first protector unit 11.

Therefore, even in the case of the first modification, substantially the same operation and effect as in the case of the above embodiment can be obtained.

Next, a second modification of the present embodiment will be described with reference to FIG. 8. In the above embodiment, the guide means is constituted by the boss 22 and the fitting portion 21. This is different from the first embodiment in that the guide means is constituted by a projection 31 protruding from the outer surface of the wall 17 of the protector 11. The projecting portion 31 is formed directly below the locking portion 24, and the hook portion 27 is brought into contact with the end surface of the wall portion 18 ′ of the second protector portion 12 on the other side so that the hook portion 27 is engaged with the engaging hole of the locking portion 24. 23 guides and fits.

The second modified example has the same operation and effect as the above embodiment, such that the second protector section 12 can be smoothly fitted to the first protector section 11 with this configuration.

Next, a third modification of the above embodiment will be described with reference to FIGS. The configuration differs from the above-described embodiment in that the wall portion 18 'in which the hook portion 27 is formed is located at a position offset from the wall portion 18 outward in the embodiment. In the third modified example, there is no offset-disposed wall portion, and the wall portion 32 is formed on the same plane.

For this reason, both the first and second protector units 1
1, a wire harness is wound around the tongue portion 19 and fixed, and then the second protector portion 12 is connected to the cover member 1.
Attach 3, 14 (Fig. 10). At this time, each wall 1
Although there is a slight step difference between 7, 32, there is no problem in attaching the wire harness D, and therefore, substantially the same operation and effect as in the above-described embodiment can be obtained.

Also, as in the fourth modification of FIGS. 11 and 12, the position of the locking portion 24 is shifted slightly backward from the end of the wall portion 17 so that the wall portion 32 having the same structure as that of the third modification is provided. It may be configured to extend and overlap with the wall 17 of the first protector unit 11.

Therefore, the fourth modified example is the two wall portions 17, 3
2 overlap with each other at the connection part, so that the strength at the connection part is increased accordingly.

Although the embodiments and the modified examples of the present invention have been described with reference to the drawings, the specific configuration is not limited to these, and even if there is a design change or the like without departing from the gist of the present invention, the present invention is not limited thereto. Included in the scope of the invention. For example,
In the above description, the protector body B is divided into two protector sections 11,
Although the description has been made of the case where the number of protectors is 12, the present invention can be appropriately applied to the case where more protectors are connected. Further, the tongue piece 20 does not necessarily need to be provided on the step portion 19, but may be provided on the opposite side of the first protector 11. In this case, in order to increase the strength of the connection portion, the depth of the step portion 19 (in the longitudinal axis direction of the protector portion) is set to be large, and the area where the first and second protector portions overlap each other is increased. You may. Further, the engaging portions 25 and 26 are provided on the first protector portion 11,
It may be provided in the second protector unit 12. In addition, although it is applied to automobiles, it is needless to say that it is used in various industrial fields such as aircraft, trains, and manufacturing plants.

[0036]

As described above, according to the first aspect of the present invention, since the locking portion and the locked portion are provided outside the walls of the two protector portions, the first and second portions are provided. Can be assembled without disturbing the wire harness, and a protector device with high connection strength can be obtained only by fitting the locking portion and the locked portion. Thus, a protector device that can protect the wire harness without using a wire harness can be obtained.

According to the second aspect of the present invention, there is an effect that the engagement between the locking portion and the locked portion can be easily and smoothly performed by the guide means including the projection and the fitting portion. .

According to the third aspect of the present invention, since the guide means can be constituted only by the projections provided on the outer surface of the protector section, the work of connecting the two protector sections 11 and 12 can be easily performed. Having.

According to the fourth aspect of the present invention, the wire harness can be wound around the tongue piece in advance and fixed, and the protectors are connected in this state, so that the manufacturing efficiency of the wire harness is improved. The effect which can improve is produced.

According to the fifth aspect of the present invention, the locking portion and the locked portion are not movable structures such as a rotating hinge type, but are fitted and fixed. Since the strength of the connection between the protector and the second protector is stable, it is difficult for the connection to be bent and deformed at the connection, and the position of the protector is not disturbed. There is an effect that can be performed.

[Brief description of the drawings]

FIG. 1 is an external perspective view showing an assembling exploded perspective view of a protector body in one embodiment according to the present invention.

FIG. 2 is an exploded perspective view partially showing a state in which the protector cover is assembled into the assembled protector body in FIG. 1 by using a cutaway view.

FIG. 3 is an enlarged sectional view taken on line III-III of FIG. 2;

FIG. 4 is an operation explanatory view showing a state where a wire harness is fixed to a first protector section in the embodiment.

FIG. 5 is an external perspective view showing a state where the protector device is mounted on the wire harness according to the embodiment.

FIG. 6 is an exploded perspective view of a first modified example according to the embodiment.

FIG. 7 is a longitudinal sectional view according to the first modification and corresponding to FIG. 3;

FIG. 8 is an external view of a second modified example according to the embodiment.

FIG. 9 is an external view of a first protector unit in a third modified example according to the embodiment.

FIG. 10 is an exploded perspective view of a third modified example.

FIG. 11 is an external view of a first protector unit according to a fourth modification.

FIG. 12 is an external view of a protector device according to a fourth modification.

FIG. 13 is an exploded perspective view of a conventional device.

[Explanation of symbols]

 B Protector body C Protector cover 11 First protector section 12 Second protector section 13 First cover section 14 Second cover section 15, 16 Bottom section 17, 18, 32 Wall section 18 'Offset wall section 19 Step section 20 Tongue piece 21, 21 'Fitting hole (guide means) 22, 22' Boss (guide means) 24 Locking part 25, 26 Engaging part 27 Locked part (hook part) 29, 30 Engaging claw 31 Projection Part (guide means)

Claims (5)

[Claims] 1. A protector body formed by connecting a first protector portion and a second protector portion, a protector cover attached to the protector body, and a protector cover provided between the protector body and the protector cover. A wire harness that is housed and protected in the space formed, wherein a locking portion protrudes from one of the outer surfaces of the first or second protector portion, while the first or second protector portion is provided. A protruded portion which can be engaged with the locking portion is protruded from one of the other outer surfaces of the protector portion, and guide means is provided between the first protector portion and the second protector portion. When combining the first and second protector sections,
The protector device for a wire harness, wherein the locking portion and the locked portion are configured to engage while being guided by the guide means. 2. The projection means provided on one of the first and second protector parts and the guide means provided on one of the other of the first and second protector parts, and is fitted with the projection part. 2. The wire harness protector device according to claim 1, wherein the wire harness protector device comprises a fitting portion formed so as to fit. 3. The guide means is formed by a protrusion provided on one of the outer surfaces of the first and second protector portions, and the other of the first and second protector portions is formed by the protrusion. The wire harness protector device according to claim 1, wherein the wire harness protector device is configured to be guided in contact with the portion. 4. A tongue piece extending in a tongue shape is provided at a bottom of one of the first and second protector parts, and a wire harness can be wound around the tongue piece and fixed. The wire harness protector device according to claim 2 or 3, wherein: 5. The protector cover comprises a first cover portion attached to a first protector portion, and a second cover portion attached to a second protector portion. The wire according to claim 1, wherein the second cover portion is attached to the second protector portion or the first protector portion extending the connection portion of the first protector portion. Harness protector device.