CN215528583U - Wire harness sealing sleeve, wire harness sealing structure and vehicle - Google Patents
Wire harness sealing sleeve, wire harness sealing structure and vehicle Download PDFInfo
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- CN215528583U CN215528583U CN202121301300.5U CN202121301300U CN215528583U CN 215528583 U CN215528583 U CN 215528583U CN 202121301300 U CN202121301300 U CN 202121301300U CN 215528583 U CN215528583 U CN 215528583U
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- wire harness
- lip
- harness sealing
- periphery
- sound insulation
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Abstract
The utility model provides a wire harness sealing sleeve, a wire harness sealing structure and a vehicle, wherein the wire harness sealing sleeve comprises a sleeve body, a connecting base, a second lip edge, a clamping protrusion and a first lip edge; an inner hole for the wiring harness to pass through is formed in the envelope body; the connecting base is arranged on the periphery of the envelope body in a surrounding mode, and the connecting base is provided with a first end and a second end opposite to the first end in the axial direction; the second lip edge is annularly arranged on the periphery of the connecting base close to the second end; the clamping bulge is annularly arranged on the periphery of the connecting base close to the first end; the first lip edge is annularly arranged on the periphery of the first end and is positioned between the second lip edge and the clamping protrusion, and a sheet metal clamping groove is formed between the first lip edge and the clamping protrusion. The wire harness sealing sleeve, the wire harness sealing structure and the vehicle provided by the utility model form a double-channel sealing structure, so that noise is prevented from being directly transmitted into a passenger compartment through a gap between the sound insulation pad and the wire harness rubber sleeve, and the sound insulation performance of a wire harness penetrating position is improved.
Description
Technical Field
The utility model belongs to the technical field of vehicle parts, and particularly relates to a wire harness sealing sleeve, a wire harness sealing structure and a vehicle.
Background
With the continuous development of the automobile industry, the requirement of a user on the quality of a vehicle is higher and higher, the NVH performance of the vehicle is an important index influencing the quality of the vehicle, and the better the noise insulation performance is in the driving process of the vehicle, the better the driving experience of the user is promoted.
The front wall system of the vehicle has great influence on the noise level of the whole vehicle, and the important premise of sound insulation is to improve the sealing performance. In enclosing the system before, the pencil hole is more, adopt double-deck gum cover and preceding enclosing the direct joint of panel beating to the sealed of pencil hole usually, only realized sealedly in the joint position with the panel beating, nevertheless the pencil with before enclose in the sound insulation have the clearance between filling up, before enclose the whole sound insulation performance of system limited, lead to before the cabin noise pass enclose the panel beating from the pencil gum cover with before enclose in the clearance of sound insulation pad directly transmit the driver's cabin, influence the NVH performance of vehicle, be unfavorable for promoting and drive experience.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a wire harness sealing sleeve, a wire harness sealing structure and a vehicle, and aims to realize double sealing with a metal plate and a sound insulation pad, improve the sealing and sound insulation performance of a wire harness hole position and further improve the NVH performance of the vehicle.
In order to achieve the purpose, the utility model adopts the technical scheme that:
in a first aspect, a wire harness sealing sleeve is provided, comprising:
a jacket body, an inner hole for the wire harness to pass through is formed inside the jacket body;
the connecting base is arranged on the periphery of the envelope body in a surrounding mode and is provided with a first end and a second end opposite to the first end in the axial direction;
the second lip edge is annularly arranged on the periphery of the connecting base close to the second end;
the clamping bulge is annularly arranged on the periphery of the connecting base close to the first end; and
first lip limit, the ring is located the periphery of first end is located the second lip limit with between the joint arch, first lip limit with form the panel beating draw-in groove between the joint arch.
With reference to the first aspect, in a possible implementation manner, the clamping protrusion is a wedge-shaped protrusion, and the outer diameter of the wedge-shaped protrusion gradually increases from the first end to the second end.
With reference to the first aspect, in one possible implementation manner, the connection base includes:
the connecting ring is arranged on the periphery of the envelope body in an encircling manner, the inner edge of the connecting ring is connected with the envelope body, and the second lip edge is arranged on the outer edge of the connecting ring; and
the clamping ring is annularly arranged on the periphery of the sleeve body, one end of the clamping ring is connected with the connecting ring, the first lip edge is annularly arranged on the periphery of the other end of the clamping ring, and a gap is formed between the clamping ring and the sleeve body.
With reference to the first aspect, in a possible implementation manner, a side of the connection ring away from the snap ring is provided with a reinforcing rib.
With reference to the first aspect, in a possible implementation manner, a middle portion of the cuff body is expanded outward to form an expansion section, and an inner diameter of the expansion section is larger than inner diameters of two end portions of the cuff body.
With reference to the first aspect, in one possible implementation manner, the connection base connects the expansion sections.
With reference to the first aspect, in a possible implementation manner, at least one end of the inner hole is provided with a sealing convex ring.
The shown scheme of this application embodiment, compared with the prior art, its installation back panel beating draw-in groove card is in the pencil hole site department that the panel beating was reserved, joint arch and first lip limit butt respectively in the both sides face of panel beating, can realize the holistic rigidity of pencil seal cover, after the joint, first one is sealed with the surface realization of panel beating in first lip limit, the second lip limit is sealed with the one side realization second way that the sound insulation pad kept away from the panel beating, form two seal structure, avoid the noise directly to spread into in the passenger cabin via the clearance between sound insulation pad and the pencil gum cover, the sound insulation performance that the pencil runs through the position has been improved, promote the NVH performance of vehicle, satisfy the requirement of passenger to the interior sound quality of car.
In a second aspect, an embodiment of the present invention further provides a wire harness sealing structure, including:
the above-described wire harness seal sleeve;
metal plates; and
the sound insulation pad is attached to one side of the metal plate;
the wiring harness sealing sleeve penetrates through the sound insulation pad and the metal plate, the metal plate clamping groove in the wiring harness sealing sleeve is clamped in a wiring harness through hole in the metal plate, and the second lip edge in the wiring harness sealing sleeve is abutted to one side, far away from the metal plate, of the sound insulation pad.
In combination with the second aspect, in a possible implementation manner, the aperture of the wire harness through hole formed in the sound insulation pad is larger than the aperture of the wire harness through hole formed in the metal plate, and the outer diameter of the second lip edge, the outer diameter of the first lip edge and the outer diameter of the clamping protrusion are sequentially reduced.
The application provides a pencil seal structure, through adopting foretell pencil seal cover, realize the joint back at the pencil seal cover, first lip is sealed with the surface realization first way of panel beating, the second lip is sealed with the one side realization second way that the sound insulation pad kept away from the panel beating, form two seal structure, avoid the noise directly to spread into in the passenger cabin via the clearance between sound insulation pad and the pencil gum cover, the sound insulation performance that the pencil runs through the position has been improved, the NVH performance of promotion vehicle, satisfy the requirement of passenger to the interior sound quality of car.
In a third aspect, an embodiment of the present invention further provides a vehicle, including the above-described wire harness sealing structure.
The application provides a vehicle, through adopting foretell pencil seal structure, realize with the joint back of panel beating at the pencil seal cover wherein, first lip is sealed with the surface realization of panel beating first way, the second lip is sealed with the one side realization second way that the sound insulation pad kept away from the panel beating, form two sealing structure, avoid the noise directly to spread into in the passenger cabin via the clearance between sound insulation pad and the pencil gum cover, the sound insulation performance that the pencil runs through the position has been improved, promote the NVH performance of vehicle, satisfy the requirement of passenger to the interior sound quality of car.
Drawings
Fig. 1 is a schematic structural diagram of a harness sealing sleeve provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a wire harness sealing structure provided in an embodiment of the present invention.
Description of reference numerals:
1. a wrapper body; 101. an inner bore; 102. an expansion section;
2. a connection base; 201. a connecting ring; 202. a snap ring; 203. reinforcing the convex ribs;
3. a second lip;
4. clamping the bulges;
5. a first lip;
6. a wire harness;
7. a metal plate clamping groove;
8. metal plates;
9. a sound insulation pad;
10. and sealing the convex ring.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1 and 2 together, the harness sealing sleeve according to the present invention will now be described. The wire harness sealing sleeve comprises a sleeve body 1, a connecting base 2, a second lip edge 3, a clamping protrusion 4 and a first lip edge 5; an inner hole 101 for the wire harness 6 to pass through is formed inside the jacket body 1; the connecting base 2 is arranged around the periphery of the envelope body 1, and the connecting base 2 is provided with a first end and a second end opposite to the first end along the axial direction; the second lip edge 3 is annularly arranged on the periphery of the connecting base 2 close to the second end; the clamping bulge 4 is annularly arranged on the periphery of the connecting base 2 close to the first end; the first lip edge 5 is arranged on the periphery of the first end in a surrounding mode and located between the second lip edge 3 and the clamping protrusion 4, and a sheet metal clamping groove 7 is formed between the first lip edge 5 and the clamping protrusion 4.
During the equipment, the pencil via hole on the panel beating 8 is stretched into at first to the one end of big envelope body 1, and the first end of connection base 2 is stretching into the pencil via hole on the panel beating 8 afterwards, and in the protruding 4 of extrusion joint, connection base 2 can take place the elastic deformation of certain degree.
The wire harness sealing sleeve that this embodiment provided, compared with the prior art, its installation back panel beating draw-in groove 7 card is in the pencil hole site department that panel beating 8 reserved, joint arch 4 and first lip limit 5 butt respectively in the both sides face of panel beating 8, can realize the holistic rigidity of wire harness sealing sleeve, after the joint, first lip limit 5 butt is in the surface of panel beating 8, elastic deformation through self realizes first sealing, second lip limit 3 and sound insulating pad 9 deviate from one side butt of panel beating 8, realize that the second is sealed through the elastic deformation of self, form two seal structure, avoid the noise directly to spread into in the passenger cabin via the clearance between sound insulating pad 9 and the pencil gum cover, the sound insulation performance that wire harness 6 runs through the position has been improved, the NVH performance of promotion vehicle, satisfy the requirement of passenger to the interior sound quality of car.
Specifically, the second lip 3 extends toward the first end, and the second lip 3 may gradually contract along the axial direction of the connection base 2; alternatively, the second lip 3 may be formed to be gradually expanded in the axial direction of the connection base 2; still alternatively, the second lip 3 may be in a state parallel to the axial direction of the connection base 2.
In addition, the section width of the second lip 3 can be kept constant along the axial direction of the connecting base 2; alternatively, the width of the cross section of the second lip 3 may be gradually reduced in the direction from the second end to the first end; still alternatively, the width of the cross-section of the second lip 3 may be gradually increased in a direction from the second end to the first end.
In addition, the contact surface of the second lip 3 with the sound insulation pad 9 can be in the shape of a plane, a cambered surface, a wavy surface and the like.
Optionally, in order to make the second lip 3 have optimal sealing contact performance, the second lip 3 extends towards the first end and is in a gradually expanding form along the axial direction of the connection base 2, the section width of the second lip 3 may be gradually reduced along the direction from the second end to the first end, and in addition, the contact surface of the second lip 3 and the sound insulation pad 9 is an arc surface.
Of course, the installation state, the sectional shape, and the form of the contact surface of the second lip 3 are not limited to the above-mentioned embodiments, and may be in other forms that can satisfy the requirement of the sealing contact, and they are not described in detail here.
The first lip 5 is arranged in a similar manner to the second lip 3 and will not be described in further detail herein.
In some embodiments, referring to fig. 1 and 2, the clamping protrusion 4 is a wedge-shaped protrusion, and the outer diameter of the wedge-shaped protrusion gradually increases from the first end to the second end, so that the clamping protrusion 4 can more easily penetrate through the wire harness through hole on the metal plate 8.
In some embodiments, since the clamping protrusion 4 mainly plays a role in axial limiting, and the influence on the sealing performance is not great, a plurality of clamping protrusions 4 may be uniformly and alternately arranged along the axial direction of the connection base 2, or the clamping protrusion 4 is a continuous annular protrusion.
In some embodiments, referring to fig. 1 and 2, the connection base 2 includes a connection ring 201 and a snap ring 202; the connecting ring 201 is arranged around the periphery of the envelope body 1, the inner edge of the connecting ring is connected with the envelope body 1, and the second lip edge 3 is arranged at the outer edge of the connecting ring 201; the clamping ring 202 is disposed around the outer periphery of the jacket body 1, one end of the clamping ring 202 is connected to the connecting ring 201, the first lip 5 is disposed around the outer periphery of the other end of the clamping ring 202, and a gap is formed between the clamping ring 202 and the jacket body 1. This embodiment has reduced connection area of contact of connection base 2 with big envelope body 1 for joint ring 202 has bigger elastic deformation space after receiving the extrusion, and then guarantees that connection base 2 wholly has better elastic deformation ability, makes things convenient for protruding 4 pencil via holes that pass on the panel beating 8 of joint, also can guarantee the effective joint of panel beating draw-in groove 7 and panel beating 8.
Optionally, referring to fig. 1 and 2, the connection ring 201 is a plate-shaped structure to improve structural strength.
Optionally, referring to fig. 1 and fig. 2, in order to further improve the elastic deformation capability of the snap ring 202 and achieve the purpose of reducing weight, the snap ring 202 is a hollow member.
Of course, in order to make the snap ring 202 have better elastic deformation capability, the snap ring 202 itself may also be made of a material with certain elasticity.
In some embodiments, referring to fig. 1 and 2, in order to increase the structural strength of the connection ring 201, a reinforcing rib 203 is disposed on a side of the connection ring 201 away from the snap ring 202. In the actual assembly process, the second lip 3 and the sound insulation pad 9 are guaranteed to be compressed and compacted, and the second lip 3 and the sound insulation pad 9 have better sealing performance.
Specifically, referring to fig. 1 and 2, the reinforcing ribs 203 are annular ribs and are disposed coaxially with the envelope body 1.
As a modified example of the distribution of the reinforcing ribs 203, not shown in the drawings, the reinforcing ribs 203 may be strip-shaped ribs radially distributed around the central axis of the envelope body 1; or, the sleeve is a netted convex rib which takes the central axis of the sleeve body 1 as the center and is distributed in a radial shape.
Of course, the specific arrangement of the reinforcing ribs 203 is not limited to the above-mentioned several ways, and the functional requirements of the reinforcing connection ring 201 can be satisfied, which are not listed here.
In some embodiments, referring to fig. 1 and 2, the middle portion of the cuff body 1 is flared outward to form a flared section 102, and the inner diameter of the flared section 102 is greater than the inner diameter of the two end portions of the cuff body 1. Through setting up expansion section 102, under the prerequisite of guaranteeing the tip leakproofness of envelope body 1, at the in-process that pencil 6 inserted, reduce envelope body 1 middle part to pencil 6's resistance, further make things convenient for the assembly of pencil 6.
In some embodiments, referring to fig. 1 and 2, the connection base 2 is connected to the expansion section 102, which does not affect the assembly function of the connection base 2, and at the same time, makes the overall structure of the harness sealing sleeve more compact, and avoids occupying too much space.
In some embodiments, referring to fig. 1 and 2, at least one end of the inner bore 101 is provided with a sealing collar 10. The sealing convex ring 10 can realize interference fit with the wiring harness 6 so as to ensure the sealing performance at the inner hole 101.
Specifically, referring to fig. 1 and 2, sealing convex rings 10 are disposed at two ends of the inner hole 101, so that the two ends of the inner hole 101 can be in sealing fit with the wiring harness 6.
Specifically, referring to fig. 1 and fig. 2, in order to further improve the sealing reliability of the inner hole 101 and the wire harness 6, a plurality of sealing convex rings 10 are arranged at the same end of the inner hole 101 at intervals along the axial direction of the jacket body 1.
Optionally, the clamping protrusion 4 and the clamping ring 202 are made of plastic materials, so that the matching precision of the clamping protrusion and the metal plate 8 is ensured; the second lip edge 3, the sleeve body 1 and the first lip edge 5 are made of rubber materials, so that the overall toughness of the wire harness sleeve is guaranteed; different materials can be connected and molded through a secondary injection molding process.
Based on the same inventive concept, referring to fig. 2, an embodiment of the present application further provides a wire harness sealing structure, which includes the above-mentioned wire harness sealing sleeve, a metal plate 8 and a sound insulation pad 9, where the sound insulation pad 9 is attached to one side of the metal plate 8; the wire harness sealing sleeve runs through the sound insulation pad 9 and the metal plate 8, the metal plate clamping groove 7 in the wire harness sealing sleeve is connected with a wire harness through hole in the metal plate 8 in a clamped mode, and the second lip edge 3 in the wire harness sealing sleeve abuts against one side, far away from the metal plate 8, of the sound insulation pad 9.
The pencil seal structure that this embodiment provided, compared with the prior art, through adopting foretell pencil seal cover, realize the joint back at the pencil seal cover, first lip 5 realizes first sealing with the surface of panel beating 8, second lip 3 realizes that the second is sealed with the one side that sound insulation pad 9 deviates from panel beating 8, form two seal structure, avoid the noise directly to spread into in the passenger cabin via the clearance between sound insulation pad 9 and the pencil gum cover, the sound insulation performance that the pencil runs through the position has been improved, promote the NVH performance of vehicle, satisfy the requirement of passenger to the interior sound quality of car.
It should be noted that the wire harness sealing structure of the application is suitable for sealing the wire harness through hole at the front wall (namely, the metal plate 8 is the front wall metal plate, and the sound insulation pad 9 is the front wall inner sound insulation pad), and is also suitable for sealing the wire harness through hole at other positions of the vehicle, which is not listed one by one herein.
In some embodiments, referring to fig. 1 and 2, the diameter of the wire harness through hole formed in the sound-proof pad 9 is larger than that of the wire harness through hole formed in the metal plate 8, and the outer diameter of the second lip 3, the outer diameter of the first lip 5, and the outer diameter of the clamping protrusion 4 are sequentially reduced. In the assembling process, the first lip edge 5 does not interfere with the sound insulation pad 9, the assembling convenience is improved, and the second lip edge 3 can be ensured to be effectively contacted with the sound insulation pad 9 after the assembling is finished.
Based on the same inventive concept, the embodiment of the application also provides a vehicle, which comprises the wire harness sealing structure.
The vehicle that this embodiment provided, compared with the prior art, through adopting foretell pencil seal structure, realize with the joint back of panel beating 8 at the pencil seal cover wherein, first lip limit 5 is sealed with the surface realization of panel beating 8 first way, one side that second lip limit 3 and sound insulation pad 9 deviate from panel beating 8 realizes that the second is sealed, form two pass seal structure, avoid the noise directly to spread into in the passenger compartment via the clearance between sound insulation pad 9 and the pencil gum cover, the sound insulation performance that the pencil runs through the position has been improved, promote the NVH performance of vehicle, satisfy the requirement of passenger to the interior sound quality of car.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A wiring harness sealing sleeve, comprising:
a jacket body, an inner hole for the wire harness to pass through is formed inside the jacket body;
the connecting base is arranged on the periphery of the envelope body in a surrounding mode and is provided with a first end and a second end opposite to the first end in the axial direction;
the second lip edge is annularly arranged on the periphery of the connecting base close to the second end;
the clamping bulge is annularly arranged on the periphery of the connecting base close to the first end; and
first lip limit, the ring is located the periphery of first end is located the second lip limit with between the joint arch, first lip limit with form the panel beating draw-in groove between the joint arch.
2. The wire harness sealing boot of claim 1 wherein the snap tabs are wedge shaped tabs having an outer diameter that increases from the first end to the second end.
3. The wire harness sealing sleeve of claim 1 wherein the connection base comprises:
the connecting ring is arranged on the periphery of the envelope body in an encircling manner, the inner edge of the connecting ring is connected with the envelope body, and the second lip edge is arranged on the outer edge of the connecting ring; and
the clamping ring is annularly arranged on the periphery of the sleeve body, one end of the clamping ring is connected with the connecting ring, the first lip edge is annularly arranged on the periphery of the other end of the clamping ring, and a gap is formed between the clamping ring and the sleeve body.
4. A harness sealing sleeve as claimed in claim 3, wherein the side of the connecting ring remote from the snap ring is provided with a reinforcing rib.
5. A wire harness sealing boot as claimed in claim 1, wherein the middle portion of the boot body is flared outwardly to form a flared section having an internal diameter greater than the internal diameter of the two end portions of the boot body.
6. The wire harness sealing boot of claim 5 wherein the connection base connects the flared sections.
7. A harness sealing boot as claimed in claim 1, wherein at least one end of the bore is provided with a sealing collar.
8. A wire harness sealing structure, comprising:
a wiring harness sealing sleeve as claimed in any one of claims 1 to 7;
metal plates; and
the sound insulation pad is attached to one side of the metal plate;
the wiring harness sealing sleeve penetrates through the sound insulation pad and the metal plate, the metal plate clamping groove in the wiring harness sealing sleeve is clamped in a wiring harness through hole in the metal plate, and the second lip edge in the wiring harness sealing sleeve is abutted to one side, far away from the metal plate, of the sound insulation pad.
9. The wire harness sealing structure according to claim 8, wherein a hole diameter of a wire harness through hole formed in the sound insulation pad is larger than a hole diameter of a wire harness through hole formed in the metal plate, and an outer diameter of the second lip, an outer diameter of the first lip and an outer diameter of the clamping protrusion are sequentially reduced.
10. A vehicle characterized by comprising the wire harness sealing structure according to claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121301300.5U CN215528583U (en) | 2021-06-10 | 2021-06-10 | Wire harness sealing sleeve, wire harness sealing structure and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121301300.5U CN215528583U (en) | 2021-06-10 | 2021-06-10 | Wire harness sealing sleeve, wire harness sealing structure and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215528583U true CN215528583U (en) | 2022-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121301300.5U Active CN215528583U (en) | 2021-06-10 | 2021-06-10 | Wire harness sealing sleeve, wire harness sealing structure and vehicle |
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| Country | Link |
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| CN (1) | CN215528583U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023151540A1 (en) * | 2022-02-08 | 2023-08-17 | 北京车和家汽车科技有限公司 | Firewall wire harness protection sleeve and vehicle |
-
2021
- 2021-06-10 CN CN202121301300.5U patent/CN215528583U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023151540A1 (en) * | 2022-02-08 | 2023-08-17 | 北京车和家汽车科技有限公司 | Firewall wire harness protection sleeve and vehicle |
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