CN213442379U - Noise reduction structure and connecting device for connecting position of wire harness and firewall - Google Patents
Noise reduction structure and connecting device for connecting position of wire harness and firewall Download PDFInfo
- Publication number
- CN213442379U CN213442379U CN202021685077.4U CN202021685077U CN213442379U CN 213442379 U CN213442379 U CN 213442379U CN 202021685077 U CN202021685077 U CN 202021685077U CN 213442379 U CN213442379 U CN 213442379U
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- China
- Prior art keywords
- wire harness
- firewall
- wall
- rubber part
- part body
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- 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.)
- Expired - Fee Related
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- 230000009467 reduction Effects 0.000 title claims abstract description 20
- 229920001971 elastomer Polymers 0.000 claims abstract description 48
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 210000000078 claw Anatomy 0.000 claims description 24
- 238000012856 packing Methods 0.000 abstract description 12
- 230000005489 elastic deformation Effects 0.000 abstract 1
- 229920000742 Cotton Polymers 0.000 description 4
- 229920002943 EPDM rubber Polymers 0.000 description 3
- 229920002302 Nylon 6,6 Polymers 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- Installation Of Indoor Wiring (AREA)
Abstract
The utility model relates to the field of vehicles, and discloses a noise reduction structure and a connecting device for the connecting position of a wire harness and a firewall, wherein the noise reduction structure for the connecting position of the wire harness and the firewall comprises a rubber part body, and a wire harness inlet and a wire harness outlet pipeline communicated with the wire harness inlet are arranged on the rubber part body and are used for penetrating the wire harness and connecting the firewall; the elastic clamping jaws are distributed along the circumferential direction of the rubber part body and sleeved outside the wire harness outlet pipeline, and one ends of the elastic clamping jaws are connected to the rubber part body; sponge noise control packing ring, elastic deformation can take place for the other end of elasticity jack catch to locate the sponge noise control packing ring clamp between elasticity jack catch and pencil export pipeline outer wall. The utility model discloses a sponge noise control packing ring is to the pencil with prevent that the wall hookup location carries out the noise control and falls and fall, has solved the sound leakage problem that the position of wearing to establish the pencil on the firewall exists, has improved the performance of making an uproar falls in the noise control of pencil with preventing the wall hookup location, and the cost of sponge noise control packing ring is lower moreover, easy assembly, the cost is reduced.
Description
Technical Field
The utility model relates to a vehicle field especially relates to a structure and connecting device of making an uproar falls in pencil and prevent hot wall hookup location.
Background
When a low-voltage wire harness on an automobile passes through a metal plate firewall, a rubber part generally needs to be carried to pass through, the commonly used rubber part is made of EPDM (ethylene propylene diene monomer) and PA66 (nylon 66), the EPDM rubber generally has the function of preventing the wire harness from being bent, and the PA66 structurally plays a role in fixing the firewall with the metal plate.
In order to make an uproar, generally can cover the monoblock soundproof cotton on the panel beating firewall and fall the processing of making an uproar, nevertheless in order to wear to establish the low pressure pencil, can open the installation that the great round hole supplies the low pressure pencil to pass and rubber spare on the panel beating firewall, nevertheless soundproof cotton can not cover whole round hole completely, leads to sound very easily to pass in the passenger cabin.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a structure and connecting device of making an uproar fall of pencil and fire wall hookup location can improve the performance of making an uproar falls in the noise control of pencil and fire wall hookup location.
To achieve the purpose, the utility model adopts the following technical proposal:
pencil and prevent structure of making an uproar of falling of hot wall hookup location include:
the rubber part body is provided with a wire harness inlet and a wire harness outlet pipeline communicated with the wire harness inlet, and is used for penetrating a wire harness and connecting a firewall;
the elastic clamping jaws are distributed along the circumferential direction of the rubber part body and sleeved outside the wire harness outlet pipeline, and one ends of the elastic clamping jaws are connected to the rubber part body;
the other end of the elastic claw can elastically deform so as to clamp the sponge noise-proof washer between the elastic claw and the outer wall of the wire harness outlet pipeline.
As an optimal technical scheme of the noise reduction structure at the connecting position of the wire harness and the firewall, a wire harness inlet pipeline is arranged at the wire harness inlet, and the wire harness inlet pipeline is an elbow.
As an optimal technical scheme of the noise reduction structure at the connecting position of the wiring harness and the firewall, the wiring harness outlet pipeline is a straight pipe.
As an optimal technical scheme of the noise reduction structure at the connection position of the wire harness and the firewall, the noise reduction structure further comprises a clamping piece for connecting the firewall, and the clamping piece is sleeved outside the rubber piece body and clamped with the rubber piece body.
As an optimal technical scheme of the noise reduction structure at the connection position of the wire harness and the firewall, one of the outer wall of the rubber part body and the inner wall of the clamping part is provided with a first clamping groove, and the other one of the outer wall of the rubber part body and the inner wall of the clamping part is provided with a first clamping protrusion which can be inserted into the first clamping groove.
As an optimal technical solution of the noise reduction structure at the connection position of the wire harness and the firewall, one end of the clamping member is sleeved outside the elastic claw and abuts against the outer wall of the elastic claw.
The utility model also provides a structure of making an uproar falls in pencil and hot wall hookup location, include:
the rubber part body is provided with a wire harness inlet pipeline and a wire harness outlet communicated with the wire harness inlet pipeline, and is used for penetrating a wire harness and connecting the wire harness with a firewall;
the elastic clamping jaws are distributed along the circumferential direction of the rubber part body and sleeved outside the wire harness inlet pipeline, and one ends of the elastic clamping jaws are connected to the rubber part body;
the other end of the elastic claw can elastically deform so as to clamp the sponge noise-proof washer between the elastic claw and the outer wall of the wire harness inlet pipeline.
The utility model also provides a pencil and prevent hot wall connecting device, including foretell pencil and prevent the structure of making an uproar of falling of hot wall hookup location, the rubber spare body with prevent that hot wall links to each other.
As an optimal technical scheme of the connecting device for the wire harness and the firewall, the rubber piece body penetrates through the firewall and is clamped with the firewall through the clamping piece.
As an optimal technical scheme of the wire harness and firewall connecting device, one of the firewall and the outer wall of the card fixing piece is provided with a second clamping groove, and the other one of the firewall and the outer wall of the card fixing piece is provided with a second clamping protrusion which can be inserted into the second clamping groove.
The utility model has the advantages that: the utility model provides a pencil with prevent structure of making an uproar falls of hot wall hookup location, through this body coupling pencil of rubber spare with prevent hot wall, carry out the noise control through sponge noise control packing ring to the pencil with prevent hot wall hookup location and fall and make an uproar, solved the sound leakage problem that the position of wearing to establish the pencil on the firewall exists, improved the pencil and prevent the noise control of hot wall hookup location and fall the performance of making an uproar, the cost of sponge noise control packing ring is lower moreover, easy assembly, the cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a noise reduction structure (without fastening members) at a connection position of a wire harness and a firewall according to an embodiment of the present invention;
fig. 2 is an exploded view of a noise reduction structure at a connection position of a wire harness and a firewall according to an embodiment of the present invention.
In the figure:
1. a rubber member body; 11. a wire harness inlet conduit; 12. a wire harness outlet conduit; 13. an elastic claw; 14. a first snap projection;
2. a sponge noise-proof washer;
3. a clamping and fixing piece; 31. a first card slot; 32. and a second snap projection.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.
Example one
The firewall is provided with a through hole for the wire harness to pass through. In order to reduce noise, soundproof cotton is disposed inside the firewall. But the soundproof cotton can't be laid in the wearing hole, leads to sound to conduct in the passenger cabin, for this reason, this embodiment provides a pencil and prevents that hot wall hookup location falls the structure and the connecting device of making an uproar, and wherein, the pencil with prevent hot wall hookup location including the pencil with prevent hot wall hookup location fall the structure of making an uproar, adopt the pencil and prevent hot wall hookup location fall the structure of making an uproar to carry out the noise control with preventing hot wall hookup location and fall the noise.
As shown in fig. 1 and fig. 2, the noise reduction structure for a connection position of a wire harness and a firewall provided in this embodiment includes a rubber body 1, a plurality of elastic claws 13, and a sponge noise-proof washer 2, wherein the rubber body 1 is provided with a wire harness inlet and a wire harness outlet pipe 12 communicated therewith, and is used for penetrating the wire harness and connecting the firewall; a plurality of elastic claws 13 are distributed along the circumferential direction of the rubber part body 1 and sleeved outside the wire harness outlet pipeline 12, and one end of each elastic claw 13 is connected to the rubber part body 1; the other end of the elastic claw 13 can be elastically deformed to clamp the sponge noise-proof washer 2 between the elastic claw 13 and the outer wall of the wire harness outlet pipe 12. In this embodiment, the elastic claw 13 is integrally formed with the rubber member body 1.
In this embodiment, the pencil with prevent that hot wall passes through rubber spare body 1 and is connected, through sponge noise control packing ring 2 to the pencil with prevent hot wall hookup location noise control and fall, the sound leakage problem that the position of wearing to establish the pencil on the firewall exists has been solved, the performance of making an uproar falls in the noise control of pencil with preventing hot wall hookup location has been improved, the cost of sponge noise control packing ring 2 is lower moreover, adopt elasticity jack catch 13 with 2 butt of sponge noise control packing ring in the 12 outer walls of pencil export pipeline, the assembly mode is simple, the assembly efficiency is high.
Further, the wire harness inlet is provided with a wire harness inlet pipeline 11, the wire harness inlet pipeline 11 is a bent pipe, and the wire harness is guided through the wire harness inlet pipeline 11. In this embodiment, the bending angle of the wire harness inlet duct 11 is greater than 90 °. In other embodiments, the wire harness inlet pipe 11 may also be a straight pipe or a pipe with a bending angle less than or equal to 90 °, which may be selected according to actual requirements. Preferably, the wire harness inlet duct 11 is provided integrally with the rubber member body 1.
Further, the wire harness outlet pipe 12 is a straight pipe, and preferably, the wire harness outlet pipe 12 is provided integrally with the rubber member body 1.
The noise reduction structure for the connection position of the wire harness and the firewall further comprises a clamping piece 3, and the clamping piece 3 is sleeved outside the rubber piece body 1 and is clamped with the rubber piece body 1. Preferably, the outer wall of the rubber member body 1 is tapered.
Specifically, the outer wall of the rubber part body 1 is provided with a first clamping protrusion 14, the inner wall of the clamping part 3 is provided with a first clamping groove 31, and the first clamping protrusion 14 can be inserted into the first clamping groove 31 to connect the clamping part 3 into the first clamping groove 31. Preferably, the first locking grooves 31 are provided in plural, the plural first locking grooves 31 are circumferentially distributed along the inner wall of the locking member 3, and the first locking protrusions 14 are in one-to-one correspondence with the first locking grooves 31.
In other embodiments, the rubber body 1 may further be provided with a first engaging groove 31, and the inner wall of the fastening member 3 is provided with a first engaging protrusion 14 capable of being inserted into the first engaging groove 31.
Further, the rubber part body 1 penetrates through the firewall and is clamped with the firewall through the clamping and fixing part 3. Specifically, the outer wall of the card firmware 3 is equipped with the protruding 32 of second card, and the through hole inner wall is equipped with the second draw-in groove, and the protruding 32 of second card can insert in the second draw-in groove to connect the card firmware 3 in preventing hot wall, thereby realize the pencil and prevent being connected between the hot wall. Preferably, the second locking projections 32 are provided in plurality, the plurality of second locking projections 32 are circumferentially distributed along the outer wall of the locking member 3, and the second locking projections 32 are in one-to-one correspondence with the second locking grooves.
In other embodiments, a second engaging groove may be further disposed on the fastening member 3, and a second engaging protrusion 32 capable of being inserted into the second engaging groove is disposed on an inner wall of the through hole.
Furthermore, one end of the fastening member 3 is sleeved outside the elastic claw 13 and abuts against the outer wall of the elastic claw 13. Make elasticity jack catch 13 butt in sponge noise control packing ring 2 through card firmware 3 to improve the stability of being connected between sponge noise control packing ring 2 and elasticity jack catch 13 and the pencil export pipeline 12, prevent that sponge noise control packing ring 2 from breaking away from pencil export pipeline 12.
Further, the wire harness inlet duct 11 is filled with a waterproof cement and is bound and fastened by a PVC waterproof tape to prevent a gap from existing between the wire harness and the wire harness inlet duct 11. The harness outlet pipe 12 is filled with a waterproof cement and is bound and fastened by a PVC waterproof tape to prevent a gap from existing between the harness and the harness outlet pipe 12.
Example two
The present embodiment is different from the first embodiment in that a plurality of elastic claws 13 are circumferentially distributed along the wire harness inlet pipe 11, and the sponge noise-proof washer 2 is sandwiched between the wire harness outlet pipe 12 and the elastic claws 13 by the elastic claws 13.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (10)
1. Pencil and prevent structure of making an uproar of falling of hot wall hookup location, its characterized in that includes:
the rubber part comprises a rubber part body (1), wherein a wiring harness inlet and a wiring harness outlet pipeline (12) communicated with the wiring harness inlet are formed in the rubber part body (1) and are used for penetrating a wiring harness and connecting a firewall;
the elastic clamping jaws (13) are distributed along the circumferential direction of the rubber part body (1) and sleeved outside the wire harness outlet pipeline (12), and one end of each elastic clamping jaw (13) is connected to the rubber part body (1);
the other end of the elastic claw (13) can elastically deform, so that the sponge noise-proof washer (2) is clamped between the elastic claw (13) and the outer wall of the wire harness outlet pipeline (12).
2. The noise reduction structure of a connection position of a wire harness and a firewall according to claim 1, wherein the wire harness inlet is provided with a wire harness inlet pipe (11), and the wire harness inlet pipe (11) is an elbow pipe.
3. Noise reduction structure of connection position of wire harness and fire wall according to claim 1 characterized in that the wire harness outlet pipe (12) is straight pipe.
4. The noise reduction structure for the connection position of the wire harness and the firewall according to claim 1, further comprising a clamping member (3) for connecting the firewall, wherein the clamping member (3) is sleeved outside the rubber member body (1) and clamped with the rubber member body (1).
5. The noise reduction structure for the connection position of the wire harness and the firewall according to claim 4, wherein one of the outer wall of the rubber member body (1) and the inner wall of the fastening member (3) is provided with a first clamping groove (31), and the other is provided with a first clamping protrusion (14), and the first clamping protrusion (14) can be inserted into the first clamping groove (31).
6. The noise reduction structure for the connection position of the wire harness and the firewall according to claim 4, wherein one end of the fastening piece (3) is sleeved outside the elastic claw (13) and abuts against the outer wall of the elastic claw (13).
7. Pencil and prevent structure of making an uproar of falling of hot wall hookup location, its characterized in that includes:
the rubber part body (1) is provided with a wiring harness inlet pipeline (11) and a wiring harness outlet communicated with the wiring harness inlet pipeline, and is used for penetrating a wiring harness and connecting the wiring harness to a firewall;
the elastic clamping jaws (13) are distributed along the circumferential direction of the rubber part body (1) and sleeved outside the wiring harness inlet pipeline (11), and one ends of the elastic clamping jaws (13) are connected to the rubber part body (1);
the other end of the elastic claw (13) can elastically deform, so that the sponge noise-proof washer (2) is clamped between the elastic claw (13) and the outer wall of the wire harness inlet pipeline (11).
8. A harness and firewall connection device, characterized in that it comprises a noise reduction structure of the connection position of the harness and firewall according to any one of claims 1 to 7, and the rubber member body (1) is connected with the firewall.
9. The harness and firewall connection device according to claim 8, wherein the rubber body (1) penetrates the firewall and is clamped with the firewall through a clamping piece (3).
10. The harness and firewall connection device according to claim 9, wherein one of the firewall and the outer wall of the card holder (3) is provided with a second card slot, and the other is provided with a second card projection (32), and the second card projection (32) can be inserted into the second card slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021685077.4U CN213442379U (en) | 2020-08-13 | 2020-08-13 | Noise reduction structure and connecting device for connecting position of wire harness and firewall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021685077.4U CN213442379U (en) | 2020-08-13 | 2020-08-13 | Noise reduction structure and connecting device for connecting position of wire harness and firewall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213442379U true CN213442379U (en) | 2021-06-15 |
Family
ID=76309316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021685077.4U Expired - Fee Related CN213442379U (en) | 2020-08-13 | 2020-08-13 | Noise reduction structure and connecting device for connecting position of wire harness and firewall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213442379U (en) |
-
2020
- 2020-08-13 CN CN202021685077.4U patent/CN213442379U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210615 |