WO2012111179A1 - Outil de protection de faisceau de câble - Google Patents

Outil de protection de faisceau de câble Download PDF

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Publication number
WO2012111179A1
WO2012111179A1 PCT/JP2011/062165 JP2011062165W WO2012111179A1 WO 2012111179 A1 WO2012111179 A1 WO 2012111179A1 JP 2011062165 W JP2011062165 W JP 2011062165W WO 2012111179 A1 WO2012111179 A1 WO 2012111179A1
Authority
WO
WIPO (PCT)
Prior art keywords
hole
wire harness
edge
cylindrical
support
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2011/062165
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English (en)
Japanese (ja)
Inventor
大樹 永易
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Wiring Systems Ltd
Original Assignee
Sumitomo Wiring Systems Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Wiring Systems Ltd filed Critical Sumitomo Wiring Systems Ltd
Publication of WO2012111179A1 publication Critical patent/WO2012111179A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/0207—Wire harnesses
    • B60R16/0215—Protecting, fastening and routing means therefor
    • B60R16/0222—Grommets

Definitions

  • the present invention relates to a protective device for a wire harness that is passed through a through-hole portion of a support body such as an automobile body.
  • an edge protector is attached to the portion of the through hole of the support that becomes the passage of the wire harness.
  • the edge protector is a protector that is formed in a cylindrical shape through which the wire harness is passed and attached to the edge of the through hole in the plate-like support, as shown in Patent Document 1 and Patent Document 2, for example. .
  • an edge protector includes a cylindrical main body portion that is inserted into a through hole of a support, and a flange portion and a lock portion that are formed in a part of the main body portion.
  • the flange portion is a portion that protrudes outward from the outer surface of the cylindrical main body portion and is formed in an annular shape, and is opposed to one surface of the edge portion of the through hole of the support.
  • the lock portion is a portion that is formed in an outer portion of the cylindrical main body portion and can be elastically displaced inward from a position where it is caught by the other surface of the edge of the through hole of the support.
  • the edge protector is attached to the through hole portion of the support body with the flange portion and the lock portion sandwiching the edge portion of the through hole in the support body from both sides thereof. Also, the edge protector is interposed between the wire harness passed through the through hole of the support and the edge of the through hole, so that the wire harness contacts the edge of the through hole in the support and is damaged. prevent.
  • the edge protector is used in combination with a grommet as shown in Patent Document 3.
  • the grommet is formed of a cylindrical elastic body through which the wire harness is passed, and is attached to a portion where the through hole is formed in the support body.
  • the edge protector is combined with the grommet, the edge protector is fitted inside the cylindrical grommet.
  • the grommet closes the gap between the support, the edge protector, and the wire harness in the outer region, and performs a waterproof function and a dustproof function in the inner region.
  • the resin inner in Patent Document 3 corresponds to an edge protector.
  • the conventional edge protector has a grommet that is connected to the wire harness and the edge in order to close the gap between the through-hole portion of the support and to achieve waterproofing and dust-proofing of the inner region on one side of the support. There is a problem that it requires a complicated work to be mounted on the protector.
  • the present invention easily closes the gap between the through-hole portion of the support and the protective device of the wire harness without requiring complicated work, and waterproofs the inner region on one side with the support as a boundary.
  • the purpose is to realize dustproof.
  • the protector (edge protector) for a wire harness is a tool that is formed in a cylindrical shape through which a wire harness is passed and is attached to an edge of a through hole in a support, and includes the following components.
  • a 1st component is the cylinder member formed in the cylinder shape inserted in the through-hole of a support body. However, a flange portion and a lock portion are formed on the cylindrical member. The flange portion is a portion that protrudes outward from the outer surface of the cylindrical member and is formed in an annular shape and faces the first surface of the edge of the through hole of the support.
  • the lock portion is a portion that is formed in the outer portion of the cylindrical member and is elastically displaceable inward from a position where it is caught by the second surface of the edge of the through hole of the support.
  • the cylindrical member is made of a resin molded member, for example.
  • a 2nd component consists of an elastic body formed cyclically
  • the binding protrusion is formed at the end opposite to the flange portion with respect to the lock portion of the cylindrical member.
  • the binding protrusion is a portion that is formed so as to protrude obliquely upward in a state in which the tubular member is inserted into the through hole of the support, and is bundled together with the wire harness that is passed through the hollow portion of the tubular member.
  • the cylindrical member and the packing member have the following configurations. That is, the cylindrical member includes a semi-cylindrical first semi-cylindrical member and a second semi-cylindrical member that are formed into a cylindrical shape by being combined from both sides of the wire harness.
  • the packing member is bonded to each of the first half-cylinder member and the second half-cylinder member, and the first half-cylinder member and the second half-cylinder member are combined to form a semi-annular first elastic member and a second It consists of an elastic member.
  • the protective device for the wire harness according to the present invention is attached to the through hole portion of the support body in a state in which the flange portion and the lock portion sandwich the edge portion of the through hole in the support body and the packing member that overlaps with the edge portion.
  • the region on the side where the flange portion is located with the support as a boundary is an outer region from which liquid or dust is generated, and the region on the side where the lock portion is located with the support as a boundary requires waterproofing and dust-proofing. It is an inner area.
  • the protective member of the wire harness according to the present invention is simply attached to the through hole portion of the support, and the packing member formed in an annular shape along the flange portion is between the flange portion and the edge of the through hole of the support. And the intrusion of liquid and dust from the outer region to the inner region in the through hole portion of the support is blocked. That is, according to the present invention, the gap between the through hole portion of the support and the protective device of the wire harness can be easily closed without requiring a complicated operation of mounting the grommet, and the inner region is waterproofed. And dust-proofing is realized.
  • the wire harness protector according to the present invention, if the binding protrusion is formed at the end of the cylindrical member, the wire harness bound together with the binding protrusion is obliquely inclined from the end of the cylindrical member. It is maintained in an upwardly inclined state. Therefore, even if liquid enters the inner region from the outer region through the wire harness, the liquid further reaches the electrical equipment connected to the wire harness through the inner wire harness. Can be prevented.
  • the cylindrical member is composed of a first half-cylinder member and a second half-cylinder member.
  • the wire harness can be easily passed through the hollow portion of the tubular member.
  • the packing member is composed of two semi-annular elastic members bonded to the first half cylinder member and the second half cylinder member, the first half cylinder member and the second half cylinder member are combined. After that, the complicated operation of mounting the annular packing member on the cylindrical member is omitted, which is preferable.
  • FIG. 1 is a perspective view of an edge protector 1 according to a first embodiment of the present invention.
  • 1 is a cross-sectional view of an edge protector 1.
  • 1 is an exploded perspective view of an edge protector 1.
  • FIG. It is a perspective view of the edge protector 1 before being attached to a wire harness. It is sectional drawing of the edge protector and wire harness which were attached to the part of the through-hole of a support body.
  • It is a perspective view of edge protector 1A concerning a 2nd embodiment of the present invention. It is a disassembled perspective view of the edge protector 1A.
  • the edge protector 1 is a protector that is formed in a cylindrical shape through which a wire harness is passed and is attached to the edge of the through hole 6A in the plate-like support 6. 1 and 2, the portion of the through hole 6A in the support 6 is indicated by a virtual line (two-dot chain line).
  • the wire harness 9 to be protected by the edge protector 1 includes an electric wire 7 and a corrugated tube 8 that covers the periphery of the electric wire 7.
  • the corrugated tube 8 is an example of a protective tube that the wire harness 9 includes as its exterior member.
  • the corrugated tube 8 is a cylindrical member that covers the periphery of the electric wire 7 and has a bellows structure in which annular concave portions 81 and annular convex portions 82 are alternately formed on the surface along the longitudinal direction.
  • the corrugated tube 8 is an integrally formed member made of a resin such as polyamide (PA), polypropylene (PP), polybutylene terephthalate (PBT), ABS resin, or polyethylene (PE).
  • the edge protector 1 includes a cylindrical member 10 that is a cylindrical resin member that is passed through the through hole of the support, and a packing member 20 that is made of an elastic body. Yes.
  • the cylindrical member 10 is a molded member of resin such as polyamide (PA), polypropylene (PP), polybutylene terephthalate (PBT), ABS resin, or polyethylene (PE). 1, 3, and 4, the packing member 20 is hatched.
  • the cylindrical member 10 of the edge protector 1 includes a main body portion 12, a flange portion 13 formed at a part of the main body portion 12, a lock portion 14, and a binding protrusion 18.
  • the binding protrusion 18 is indicated by a broken line.
  • the main body 12 is a cylindrical portion that is inserted into the through hole 6 ⁇ / b> A of the support 6.
  • the region on one side with the support 6 as a boundary is referred to as an outer region, and the region on the other side is referred to as an inner region.
  • the main body 12 is inserted from the outer region into the inner region with respect to the through hole 6A of the support 6.
  • the main body 12 is interposed between the wire harness 9 passed through the through hole 6A of the support 6 and the edge of the through hole 6A, so that the wire harness 9 is an edge of the through hole 6A in the support 6. Prevents contact and injury.
  • the flange portion 13 of the cylindrical member 10 is a portion formed in an annular shape by projecting outward from the outer surface of one end portion of the cylindrical main body portion 12.
  • the flange portion 13 is a portion that is formed in an annular shape along the edge of the through hole 6A in the support 6 and faces the outer region side surface of the edge of the through hole 6A in the support 6.
  • the lock portion 14 of the cylindrical member 10 is formed in a cantilever shape on the outer portion of the cylindrical member 10, that is, on the outer portion of the main body portion 12. Accordingly, the lock portion 14 is configured to be elastically displaceable from a position protruding from the main body portion 12 to the outside and being hooked on the inner region side surface of the edge portion of the through hole 6A in the support body 6 to a position inside thereof. Yes.
  • the lock part 14 When the lock part 14 passes through the through hole 6A of the support body 6, the lock part 14 contacts the edge of the through hole 6A and is displaced inward to a position within the through hole 6A of the support body 6. Further, after passing through the through-hole 6 ⁇ / b> A of the support 6, the lock portion 14 returns to a position where it is caught by the inner region side surface of the edge of the through-hole 6 ⁇ / b> A in the support 6.
  • the edge protector 1 is supported by the portion of the through hole 6A in the support body 6 with the flange portion 13 and the lock portion 14 sandwiching the edge of the through hole 6A in the support body 6 and the packing member 20 from both sides thereof.
  • the bundling protrusion 18 is formed at the end of the cylindrical member 10 opposite to the flange 13 with respect to the lock 14. Further, the bundling protrusion 18 is formed so as to protrude obliquely upward in a state where the cylindrical member 10 is inserted into the through hole 6A of the support 6.
  • the bundling protrusion 18 is formed of an adhesive tape or a bundling belt together with the wire harness 9 passed through the hollow portion of the tubular member 10, that is, the hollow portion of the tubular main body portion 12. It is a portion bound by the binding material 5.
  • the bundling protrusion 18 in the present embodiment is provided on the upper edge of the hollow portion of the cylindrical member 10. In this case, the binding protrusion 18 supports the load of the wire harness 9 via the binding material 5.
  • the binding protrusion 18 may be provided on the lower edge of the hollow portion of the cylindrical member 10. In this case, the binding protrusion 18 directly supports the load of the wire harness 9 from below.
  • the packing member 20 is a member made of an elastic body formed in an annular shape along the flange portion 13 at a position between the flange portion 13 and the lock portion 14 in the cylindrical member 10.
  • the shape of the inner edge portion of the packing member 20 is formed in the same shape as the outer edge shape of the root portion of the flange portion 13 in the cylindrical member 10.
  • the packing member 20 is a member made of an elastic material.
  • the packing member 20 is a member made of an elastomer (elastic polymer) which is a rubber or a rubber-based material as a whole.
  • the elastomer includes vulcanized rubbers such as natural rubber and synthetic rubber, and thermosetting resin-based elastomers such as urethane rubber, foamed urethane, silicone rubber and fluororubber.
  • a rib 15 that is an annular protrusion formed along the circumferential direction is formed on the inner surface of the cylindrical member 10 of the edge protector 1.
  • the rib 15 is a portion that fits into a recessed portion 81 on the outer surface of the corrugated tube 8 provided in the wire harness 9. That is, the inner surface of the cylindrical member 10 and the corrugated tube 8 that is an exterior member of the wire harness 9 have a fitting structure with unevenness.
  • the cylindrical member 10 and the packing member 20 are members in which two members are combined.
  • the tubular member 10 is composed of a semi-cylindrical first semi-cylindrical member 101 material and a second semi-cylindrical member 102 that are formed into a tubular shape by being combined from both sides of the wire harness 9. .
  • the ribs 15 provided on each of the first half-cylinder member 101 material and the second half-cylinder member 102 are: It fits into the recess 81 of the corrugated tube 8.
  • the packing member 20 includes a semi-annular first elastic member 201 and a second elastic member 202 bonded to the first half-cylinder member 101 and the second half-cylinder member 102, respectively.
  • the first elastic member 201 and the second elastic member 202 are annular when their first half cylinder member 101 and the second half cylinder member 102 are combined to contact each other.
  • the 1st elastic member 201 and the 2nd elastic member 202 are fixed to each of the 1st half cylinder member 101 and the 2nd half cylinder member 102 with a double-sided tape or another adhesive agent, for example.
  • the first half-cylinder member 101 is a member having a shape in which only the binding protrusion 18 is added to the second half-cylinder member 102.
  • the first half-cylinder member 101 and the second half-cylinder member 102 include a lock mechanism that maintains a combined state.
  • the locking mechanism for the first half-cylinder member 101 and the second half-cylinder member 102 illustrated in FIG. 3 and FIG. 4 includes an arm part 16 provided with a protrusion 161 and a receiving part 17 provided with a hole 171. Has been.
  • the projection 161 of the arm part 16 in one half-cylinder member fits into the hole 171 of the receiving part 17 in the other half-cylinder member,
  • the first half cylinder member 101 and the second half cylinder member 102 are maintained in a combined state in a cylindrical shape.
  • the edge protector 1 is simply attached to the portion of the through hole 6 ⁇ / b> A in the support body 6, and the packing member 20 formed in an annular shape along the flange portion 13, as shown in FIG.
  • the gap between the through hole 6A and the edge of the through hole 6A is closed, and the penetration of liquid and dust from the outer region to the inner region in the through hole 6A portion of the support 6 is blocked. Therefore, when the edge protector 1 is employed, the gap between the through hole 6A of the support 6 and the edge protector 1 can be easily closed without requiring a complicated operation of attaching the grommet. Waterproofing and dustproofing of the area is realized.
  • the wire harness 9 bundled together with the binding protrusion 18 is formed in the inner region of the tubular member 10 as shown in FIG. It is maintained in a state inclined obliquely upward from the end. For this reason, even if the liquid enters the inner region from the outer region through the wire harness 9, the liquid further travels through the inner wire harness 9 to the electrical equipment connected to the wire harness 9. It can be prevented from reaching.
  • the edge protector 1 since the cylindrical member 10 is comprised from the 1st half cylinder member 101 and the 2nd half cylinder member 102, the inner surface of the cylinder member 10 and the exterior member of the wire harness 9 are closely_contact
  • the packing member 20 is composed of two semi-annular elastic members 201 and 202 bonded to the first half cylinder member 101 and the second half cylinder member 102, the first half cylinder member 101 and The operation
  • an edge protector 1A according to a second embodiment of the present invention will be described with reference to FIGS.
  • the edge protector 1 ⁇ / b> A has a cylindrical member 10 ⁇ / b> A corresponding to the cylindrical member 10 as an integral molded member, and a packing member 20 ⁇ / b> A corresponding to the packing member 20.
  • the only difference is that it is an integral elastic member and that there is no rib 15 on the inner surface of the cylindrical member 10A.
  • only the differences from the edge protector 1 in the edge protector 1A will be described.
  • FIG. 6 is a perspective view of the edge protector 1A and corresponds to the perspective view of the edge protector 1 shown in FIG.
  • FIG. 7 is an exploded perspective view of the edge protector 1A, and corresponds to the exploded perspective view of the edge protector 1 shown in FIG. 6 and 7, the same components as those shown in FIGS. 1 to 5 are given the same reference numerals.
  • the binding protrusion 18 is indicated by a broken line.
  • the cylindrical member 10A of the edge protector 1A has the same shape and function as the cylindrical member 10 configured by combining the two half-cylinder members 101 and 102 in the edge protector 1.
  • the rib 15 which comprises the fitting structure with the exterior member of the wire harness 9 is not formed in the inner surface of 10 A of cylinder members.
  • the packing member 20A in the edge protector 1A has the same shape and function as the packing member 20 configured by combining the two elastic members 201 and 202 in the edge protector 1.
  • the packing member 20 ⁇ / b> A which is an integral member formed in an annular shape, is simply pushed into a position between the flange portion 13 and the lock portion 14 in the tubular member 10, and is positioned at a position between the flange portion 13 and the lock portion 14. Retained. Therefore, the packing member 20 ⁇ / b> A does not need to be bonded to the cylindrical member 10. Of course, the packing member 20 ⁇ / b> A may be bonded to the cylindrical member 10.
  • edge protector 1A By adopting the edge protector 1A, the same effects as those obtained by employing the edge protector 1 can be obtained except for the effects obtained by the rib 15.
  • An edge protector 1A as shown in FIGS. 6 and 7 is also one embodiment of the present invention.
  • edge protectors 1, 1 ⁇ / b> A according to each embodiment shown above have the remaining configuration excluding the binding protrusion 18. Further, as described above, the binding protrusion 18 may be provided on the lower edge of the hollow portion of the cylindrical member 10.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Insulating Bodies (AREA)

Abstract

La présente invention a pour objet de boucher, sans qu'une opération complexe soit nécessaire, un interstice entre une section à trou traversant d'un corps support et un outil de protection de faisceau de câble et de réaliser l'étanchéité à l'eau et l'herméticité à la poussière de la région intérieure d'un côté encadrant le corps support. Une protection de bord (1), qui est l'outil de protection de faisceau de câble, comprend : un élément tubulaire (10) réalisé en forme de tube qui est inséré dans le trou traversant (6A) du corps support (6) ; et un élément joint plat en forme d'anneau (20). L'élément tubulaire (10) est formé par une section de bride (13) qui fait face à une première surface du bord du trou traversant (6A) du corps support (6) ; et une section de verrou (14) qui peut être déplacée par effet élastique d'une position accrochée à une deuxième surface du bord du trou traversant (6A) vers l'intérieur de celui-ci. L'élément joint plat (20) comprend un corps élastique formé dans un anneau le long de la section de bride (13) à une position entre la section de verrou (14) et la section de bride (13) dans l'élément tubulaire (10) et il est pris en sandwich entre la première surface du bord du trou traversant (6A) du corps support (6) et la section de bride (13).
PCT/JP2011/062165 2011-02-17 2011-05-27 Outil de protection de faisceau de câble Ceased WO2012111179A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011031881A JP2012175716A (ja) 2011-02-17 2011-02-17 ワイヤハーネスの保護具
JP2011-031881 2011-02-17

Publications (1)

Publication Number Publication Date
WO2012111179A1 true WO2012111179A1 (fr) 2012-08-23

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PCT/JP2011/062165 Ceased WO2012111179A1 (fr) 2011-02-17 2011-05-27 Outil de protection de faisceau de câble

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JP (1) JP2012175716A (fr)
WO (1) WO2012111179A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9944239B1 (en) 2017-05-19 2018-04-17 Newfrey Llc Fluid and dust resistant split grommet
US20230245801A1 (en) * 2020-08-13 2023-08-03 Auto-Kabel Management Gmbh Gasket for an Electric Cable

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6886892B2 (ja) * 2017-08-21 2021-06-16 デンカエレクトロン株式会社 ケーブルグランド

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6372815U (fr) * 1986-10-31 1988-05-16
JPS63138262U (fr) * 1987-03-03 1988-09-12
JPH0626121U (ja) * 1992-08-31 1994-04-08 市光工業株式会社 コード用グロメット
JPH11355939A (ja) * 1998-06-10 1999-12-24 Furukawa Electric Co Ltd:The グロメット

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6372815U (fr) * 1986-10-31 1988-05-16
JPS63138262U (fr) * 1987-03-03 1988-09-12
JPH0626121U (ja) * 1992-08-31 1994-04-08 市光工業株式会社 コード用グロメット
JPH11355939A (ja) * 1998-06-10 1999-12-24 Furukawa Electric Co Ltd:The グロメット

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9944239B1 (en) 2017-05-19 2018-04-17 Newfrey Llc Fluid and dust resistant split grommet
US20230245801A1 (en) * 2020-08-13 2023-08-03 Auto-Kabel Management Gmbh Gasket for an Electric Cable
US11881331B2 (en) * 2020-08-13 2024-01-23 Auto-Kabel Management Gmbh Gasket for an electric cable

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