JP2022185600A - protector - Google Patents

Abstract

To provide a protector which can prevent erroneous assembly in such a state that a cover part and a case body are displaced in a width direction.SOLUTION: A protector comprises: a case body 2 which defines a lower end of a storage part A by a bottom part 22 and defines left and right ends of the storage part A by a pair of side wall parts 21a, 21b; and a cover part 3 which defines an upper end of the storage part A. The cover part 3 comprises: a closing part 31 which closes the upper side of the storage part A; and a pair of inner wall parts 32a, 32b which are erected on the left and right sides across the closing part 31 and enter the storage part A in such a state that the cover part 3 is assembled to the case body 2. Protrusion parts 23 that protrude upward are respectively formed at the ends on the outer side of the upper surfaces of the pair of side wall parts 21a, 21b. Engagement object grooves 36 which are engaged with the protrusion parts 23 are formed on downward-facing contact surfaces formed on the inner surfaces of the pair of inner wall parts 32a, 32b.SELECTED DRAWING: Figure 4

Description

TECHNICAL FIELD The present invention relates to protectors for protecting wiring materials such as electric wires, electric wire bundles, and metal rods.

As shown in FIG. 6A, a protector 10 for a wire harness mounted on a vehicle or the like (a collective component in which a plurality of wiring materials used for power supply and signal communication are bundled) includes a case body 20 and a cover. 30 is used (for example, see Patent Document 1). The case main body 20 has an accommodation portion A that accommodates a wire harness. The cover part 30 is a lid member that closes the top opening of the case body 20 . The protector 10 is formed in a substantially cylindrical shape as a whole by assembling the case body 20 and the cover portion 30 together.

The case main body 20 includes a pair of side wall portions 201 a and 201 b and a bottom portion 202 . A pair of side wall portions 201a and 201b and a bottom portion 202 of the case main body 20 are integrally formed to have a substantially gutter shape with a U-shaped cross section.

The cover part 30 is attached to the case main body 20 and closes the accommodating part A. As shown in FIG. The cover portion 30 includes a closing portion 301, a pair of inner wall portions 302a and 302b, and forehead portions 303a and 303b. The cover portion 30 is formed in a substantially rectangular plate shape by integrating a closing portion 301, a pair of inner wall portions 302a and 302b, and a pair of forehead portions 303a and 303b.

When the cover portion 30 and the case main body 20 are assembled, the pair of inner wall portions 302a and 302b are in contact with the inner surfaces of the pair of side wall portions 201a and 201b, respectively, and the pair of forehead portions 303a and 303b are in contact with the pair of side wall portions. They abut on the upper surfaces of 201a and 201b, respectively. In other words, the pair of inner wall portions 302a and 302b abut on the inner surfaces of the pair of side wall portions 201a and 201b, respectively, so that the cover portion 30 and the case body 20 are positioned and assembled in the width direction. Also, the pair of forehead portions 303a and 303b abut on the upper surfaces of the pair of side wall portions 201a and 201b, respectively, so that the cover portion 30 and the case body 20 are positioned and assembled in the height direction.

JP 2011-113694 A

However, in the prior art, as shown in FIG. 6B, the cover portion 30 may be assembled to the case main body 20 with the inner wall portion 302a on one side deviating toward the outer surface side of the side wall portion 201a. In this case, as shown in FIG. 6(c), the cover portion 30 and the case body 20 are assembled with being shifted in the width direction, and incorrect assembly cannot be easily identified. Also, due to incorrect assembly, for example, the case main body 20 may be deformed or the lock portion (not shown) may be improperly fitted, which may damage or break the cover portion 30 or the case main body 20 .

SUMMARY OF THE INVENTION It is an object of the present invention to provide a protector that can prevent erroneous assembly when the cover portion and the case body are misaligned in the width direction.

The present invention includes a case main body in which a bottom defines a lower end of a housing portion in which a wiring member is housed, and a pair of side wall portions erected on the left and right ends of the bottom defines the left and right ends of the housing portion. and a cover portion defining an upper end of the housing portion when assembled to the case body, wherein the cover portion includes a closing portion that closes the upper side of the housing portion, and a closing portion that closes the closing portion. a pair of inner wall portions which are respectively erected on both left and right sides of the cover portion and which enter the accommodating portion in a state in which the cover portion is assembled to the case main body; are formed with protrusions that protrude upward, and engagement grooves with which the protrusions are engaged are formed on the downward abutment surfaces formed on the inner surfaces of the pair of inner walls. It is characterized by

Since the present invention is constructed as described above, when the cover portion and the case body are assembled with the cover portion and the case main body being displaced in the width direction, the projection portion of the side wall portion engages with the engaged groove portion of the inner wall portion. , the cover portion is stopped in an obliquely inclined state where it is not completely attached to the case body. Therefore, the operator can notice the misaligned assembly during assembly, thereby preventing incorrect assembly.

1 is a schematic perspective view showing the configuration of a protector according to the present invention; FIG. FIG. 2 is a perspective view showing a state in which the protector shown in FIG. 1 is assembled; 3 is an enlarged view of regions T1 to T3 shown in FIGS. 1 and 2; FIG. FIG. 3 is a perspective view showing a state in which the protector shown in FIG. 1 is assembled with a deviation; It is a figure of the modification of the to-be-engaged groove part shown in FIG. It is a figure which shows the structure of the conventional protector.

EMBODIMENT OF THE INVENTION Below, embodiment which concerns on this invention is described in detail based on drawing.
Referring to FIGS. 1 and 2, the protector 1 of the present embodiment is mounted on a wire harness (collective part that bundles a plurality of wiring materials used for power supply and signal communication) mounted on a vehicle. , protect the wiring harness. The protector 1 includes a case body 2 and a cover portion 3. 1 is a perspective view showing a state in which the case main body 2 and the cover portion 3 are separated, and FIG. 2 is a perspective view showing a state in which the cover portion 3 is attached to the case main body 2. FIG.

The case main body 2 has a housing portion A for housing a wire harness. The cover part 3 is a lid member that closes the upper opening of the case body 2 to close the accommodating part A. As shown in FIG. By assembling the case main body 2 and the cover portion 3 together, the protector 1 is formed in a generally cylindrical shape with the accommodating portion A extending in the depth direction X as a whole. Each direction used in the following description will be described as the direction in which each part of the protector 1 is assembled, unless otherwise specified.

The case main body 2 includes a pair of side wall portions 21 a and 21 b and a bottom portion 22 . The case main body 2 has a pair of side wall portions 21a and 21b and a bottom portion 22 integrally formed, and the accommodating portion A is formed in a substantially gutter shape extending in the depth direction X and having a U-shaped cross section.

The pair of side wall portions 21a and 21b are substantially rectangular plate-like members that are erected so as to protrude upward from the bottom portion 22 along the height direction Y perpendicular to the depth direction X. As shown in FIG. The pair of side wall portions 21a and 21b are provided on both sides of the bottom portion 22 with the width direction Z perpendicular to the depth direction X and the height direction Y serving as the plate thickness direction. Thereby, the pair of side wall portions 21a and 21b define the left and right ends of the accommodating portion A in the width direction Z. As shown in FIG.

The bottom portion 22 is formed in a substantially rectangular plate shape whose plate thickness direction is the height direction Y, and defines the lower end of the accommodation portion A in the height direction Y. As shown in FIG.

The cover portion 3 includes a closing portion 31, a pair of inner wall portions 32a and 32b, and forehead portions 33a and 33b. The cover portion 3 is formed in a substantially rectangular plate shape by integrating a closing portion 31, a pair of inner wall portions 32a and 32b, and a pair of forehead portions 33a and 33b.

The closing portion 31 is a substantially rectangular plate-shaped member whose width direction Z is the plate thickness direction. The closing portion 31 closes the upper side of the accommodating portion A and defines the upper end of the accommodating portion A in the height direction Y when the cover portion 3 is assembled to the case body 2 .

The pair of inner walls 32a and 32b are formed for the purpose of increasing the rigidity of the protector 1 and preventing the wire harness from sticking out and getting caught. The pair of inner wall portions 32a and 32b are substantially rectangular plate-like members that stand upright from the closing portion 31 so as to protrude downward along the height direction Y. As shown in FIG. The pair of inner wall portions 32a and 32b are provided on both left and right sides with the closing portion 31 interposed therebetween, with the width direction Z being the plate thickness direction. The outer dimensions in the width direction Z of the pair of inner walls 32a and 32b are set to be substantially the same as the inner dimensions in the width direction Z of the pair of side walls 21a and 21b in the case body 2 . As a result, when the cover portion 3 and the case main body 2 are assembled, the pair of inner wall portions 32a and 32b enter the housing portion A, and the inner surfaces of the pair of side wall portions 21a and 21b (surfaces on the housing portion A side). The cover portion 3 and the case body 2 are positioned in the width direction by abutting on each other.

The pair of forehead portions 33a and 33b are substantially rectangular plate-like members projecting outward from the pair of inner wall portions 32a and 32b (the inner wall portion 32a is on the right side and the inner wall portion 32b is on the left side). The pair of forehead portions 33a and 33b are provided on both sides of the closing portion 31 with the height direction Y being the plate thickness direction. Accordingly, when the cover portion 3 and the case body 2 are assembled, the pair of forehead portions 33a and 33b are in contact with the upper surfaces of the pair of side wall portions 21a and 21b, respectively, so that the cover portion 3 and the case body 2 are in contact with each other. Positioned in the height direction.

Protrusions 23 that protrude upward in the height direction Y are formed at outer ends of the upper surfaces of the pair of side walls 21a and 21b. The protrusion 23 is formed so that the length in the width direction Z is set shorter than the layer thickness of the side wall portions 21a and 21b and extends in the depth direction X. As shown in FIG. Fitting grooves 34 into which projections 23 formed on the pair of side wall portions 21a and 21b can be fitted are formed on the lower surfaces of the pair of forehead portions 33a and 33b so as to extend in the depth direction X. . The fitting groove portion 34 is formed at a position facing the projection portion 23 when the cover portion 3 is assembled to the case body 2 . As a result, as shown in FIGS. 2 and 3, the protrusion 23 is fitted into the fitting groove 34 in a state where the cover 3 is assembled to the case main body 2 .

Referring to FIG. 3, the inner surfaces of the pair of side wall portions 21a and 21b (surfaces facing the housing portion A during assembly) are provided with notch portions 35 to provide downward contact surfaces. Engaged grooves 36 that engage with the projections 23 of the side walls 21a and 21b are formed on the surfaces. The engaged groove portion 36 has a concave shape with which at least the tip portion of the protrusion 23 is engaged, and is formed extending in the depth direction X. As shown in FIG. In this embodiment, two contact surfaces are formed on each of the inner surfaces of the pair of side wall portions 21a and 21b, and three engaged groove portions 36 are formed on each contact surface. The number of contact surfaces and the number of engaged grooves 36 is not limited.

If the cover portion 3 is assembled to the case main body 2 with the inner wall portion 32a on one side shifted to the outer surface side of the side wall portion 21a, as shown in FIG. are engaged. Due to this engagement, the cover portion 3 is stopped in an obliquely inclined state in which it is not completely attached to the case body 2 . Therefore, the operator can notice the misaligned assembly during assembly, thereby preventing incorrect assembly.

In the present embodiment, the pair of inner wall portions 32a and 32b and the forehead portions 33a and 33b of the cover portion 3 are configured to be continuous in the depth direction X, but they are formed discontinuously at intervals. You can In this case, the engaged groove portion 36 is also formed discontinuously with a space therebetween, and in line with the engaged groove portion 36, the protrusions 23 of the pair of side wall portions 21a and 21b are also discontinuous with a space therebetween. can be formed with

As shown in FIG. 5, the engaged groove portion 36 is provided with a contact surface directed downward by forming rib portions 37 projecting from the inner surfaces of the pair of side wall portions 21a and 21b. may be formed. In this case, the rib portion 37 protrudes into the housing portion A when the cover portion 3 is normally assembled to the case body 2 . However, when the assembly is performed in a misaligned state, the protrusion 23 is more likely to engage with the engaged groove 36, and erroneous assembly can be prevented more reliably.

As described above, in this embodiment, the bottom portion 22 defines the lower end of the storage portion A in which the wiring material is stored, and the pair of side wall portions 21a and 21b erected at the left and right ends of the bottom portion 22 A protector having a case body 2 defining left and right ends of a housing portion A and a cover portion 3 defining an upper end of the housing portion A when assembled to the case body 2, wherein the cover portion 3 is the housing portion. A closing portion 31 for closing the upper side of A, and a pair of inner wall portions 32a standing on both left and right sides of the closing portion 31 and entering into the housing portion A in a state in which the cover portion 3 is assembled to the case body 2, Projections 23 protruding upward are formed at the outer ends of the upper surfaces of the pair of side wall portions 21a and 21b, respectively, and the downward projections formed on the inner surfaces of the pair of inner wall portions 32a and 32b are respectively formed. An engaged groove portion 36 with which the protrusion 23 is engaged is formed in the contact surface.
With this configuration, when the cover portion 3 and the case main body 2 are assembled in a state of being shifted in the width direction Z, either side wall portion 21a or 21b is engaged with the engaged groove portion 36 of either inner wall portion 32a or 32b. , and the cover part 3 is stopped in an obliquely inclined state where it is not completely attached to the case body 2. - 特許庁Therefore, the operator can notice the misaligned assembly during assembly, thereby preventing incorrect assembly.

Furthermore, in the present embodiment, the cover portion 3 extends outward from the pair of inner wall portions 32a and 32b, respectively, and the upper surfaces of the pair of side wall portions 21a and 21b in a state where the cover portion 3 and the case body 2 are assembled. A pair of forehead portions 33a and 33b are provided in contact with each other, and fitting groove portions 24 into which the protrusions 23 can be fitted are formed on the lower surfaces of the pair of forehead portions 33a and 33b.
With this configuration, the cover portion 3 and the case body 2 can be positioned and assembled more accurately in the width direction Z by fitting the projection portion 23 and the fitting groove portion 24 .

Furthermore, in the present embodiment, the contact surfaces in which the engaged groove portions 36 are formed are provided in cutout portions 35 respectively formed in the inner surfaces of the pair of inner wall portions 32a and 32b.
With this configuration, the engaged groove portion 36 can be formed without projecting into the housing portion A. As shown in FIG.

Furthermore, in the present embodiment, the contact surfaces on which the engaged groove portions 36 are formed are provided on rib portions 37 formed on the inner surfaces of the pair of inner wall portions 32a and 32b, respectively.
With this configuration, the rib portion 37 protrudes into the accommodating portion A, but the projection portion 23 can be easily engaged with the engaged groove portion 36, and erroneous assembly can be prevented more reliably.

The present invention has been described above based on the embodiments. It should be understood by those skilled in the art that this embodiment is an example, and that various modifications can be made to the combination of each component, and that such modifications are within the scope of the present invention.

1, 10 protectors 2, 20 case bodies 3, 30 cover portions 21a, 21b, 201a, 201b side wall portions 22, 202 bottom portion 23 projection portion 24 fitting groove portions 31, 301 closing portions 32a, 32b, 302a, 302b inner wall portion 33a, 33b, 303a, 303b Forehead portion 34 Fitting groove portion 35 Notch portion 36 Engaged groove portion 37 Rib portion

Claims (4)

a case body having a bottom defining a lower end of an accommodating portion in which a wiring member is accommodated, and defining left and right ends of the accommodating portion by a pair of side wall portions erected on left and right ends of the bottom, respectively; A protector having a cover portion that defines the upper end of the housing portion when assembled in the
The cover part
a closing part that closes the upper side of the accommodating part;
a pair of inner wall portions standing on both left and right sides of the closing portion and entering the housing portion in a state in which the cover portion is assembled to the case main body,
Protrusions protruding upward are formed on the outer ends of the upper surfaces of the pair of side wall portions, respectively,
A protector, wherein engaging grooves with which the projections are engaged are formed in the downward contact surfaces formed on the inner surfaces of the pair of inner wall portions. The cover part
a pair of forehead portions projecting outward from the pair of inner wall portions and respectively contacting upper surfaces of the pair of side wall portions in a state where the cover portion and the case body are assembled;
2. The protector according to claim 1, wherein the lower surfaces of the pair of foreheads are formed with fitting grooves into which the projections can be fitted. 3. The protector according to claim 1 or 2, wherein the contact surfaces in which the engaged grooves are formed are provided in notches formed in the inner surfaces of the pair of inner walls. 3. The protector according to claim 1 or 2, wherein said contact surface on which said engaged groove is formed is provided on rib portions respectively formed on the inner surfaces of said pair of inner wall portions.

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