CN202817647U - Automobile front wall wire harness passing hole sealing device - Google Patents
Automobile front wall wire harness passing hole sealing device Download PDFInfo
- Publication number
- CN202817647U CN202817647U CN 201220359780 CN201220359780U CN202817647U CN 202817647 U CN202817647 U CN 202817647U CN 201220359780 CN201220359780 CN 201220359780 CN 201220359780 U CN201220359780 U CN 201220359780U CN 202817647 U CN202817647 U CN 202817647U
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- front wall
- wire harness
- chamber
- automobile front
- sealing device
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- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model discloses an automobile front wall wire harness passing hole sealing device comprising a lower portion for passenger compartment seal and an upper portion for cab seal. The automobile front wall wire harness passing hole sealing device has a revolving body structure provided with a through wiring harness passing hole at the center; two ends of a revolving body are wiring harness tubes communicated with the wiring harness passing hole; the revolving body is provided with a front wall metal plate hole clamping groove corresponding to a waist part between the upper portion and the lower portion, the front wall metal plate hole clamping groove sinking towards the center along radial direction; and an upper hollow cavity and a lower hollow cavity which are communicated with each other are disposed between the wiring harness passing hole and the outer wall of the revolving body. The automobile front wall wire harness passing hole sealing device has a double-layer cavity structure, facilitates cavity extrusion, can be in snapped fit with a front wall metal plate effectively and achieves a good seal effect. The automobile front wall wire harness passing hole sealing device is also capable of insulating and absorbing noise twice, thereby reducing noise in a passenger compartment effectively and improving comfort of drives and passengers. The automobile front wall wire harness passing hole sealing device is applicable to an automobile front wall and used for seal and noise reduction of an automobile front wall wiring harness passing hole.
Description
Technical field
The utility model belongs to sealing vehicle line pencil via hole spare, specifically a kind of automobile front wall sealing device for wire through hole.
Background technology
The NVH performance that automobile is good mainly realizes with the means (namely every the sound-absorbing method) that reduce active noise or passive noise reduction, thereby is the quiet environment inside car of driver's Creating Comfort.
Wire harness passing-hole on the body front wall belongs to larger hole, and the engine noise in the cabin, inflow noise, exhaust noise etc. can be passed in the car by body front wall hole, slit, therefore affects driver and crew's mood, brings potential safety hazard to driving.Because the restriction of design and manufacture level can't be stopped from the source noise at present fully, so the obstruct of noise and absorption become the important means that reduces noise.Front wall sheet metal wire harness passing-hole generally carries out obstruction seals by rubber parts, intercepts the cabin noise to driving indoor propagation.
In the prior art, the front wall hole is sealed into the individual layer rubber structure, and is simple in structure, and only seals.Chinese patent CN201629536 discloses " a kind of rubber sheath for the automotive wire bundle via hole ", comprise and be provided with the sheath hole that passes for wire harness in rubber sheath body, the rubber sheath body, the rubber sheath body is installed in the coach skin perforate, the shield bore hole dia is less than or equal to the diameter of the wire harness that passes, has good sealing effect between the wire harness that provides and the sheath, the characteristics that production efficiency improves.
The utility model content
The technical problems to be solved in the utility model provides a kind of automobile front wall sealing device for wire through hole, adopts the double-layer cavity structure, has the effect of secondary sound insulation, can seal well and inhale sound insulation.
For solving the problems of the technologies described above, technical solution adopted in the utility model is:
A kind of automobile front wall sealing device for wire through hole, comprise the bottom that seals for the place, cabin, the top that is used for the sealing of driver's cabin place, centered by locate rotary structure with the perforation of penetrating wire harness, the two ends of revolving body are the wire harness pipe that is connected with the wire harness perforation, on the revolving body corresponding to the waist between top and bottom with radially to the front wall panel beating hole draw-in groove of center depression, be hollow chamber between the outer wall of described wire harness perforation and revolving body;
Described hollow chamber is divided into the up and down two parts that are connected take front wall stamping holes hole draw-in groove as the boundary, and its middle and upper part is divided into the first chamber of driver's cabin side, and the bottom is divided into the second chamber of cabin side.
As a kind of restriction of the present utility model, the below of described revolving body is corresponding to the outer position of wire harness pipe, be the sealing gasket from wire harness pipe outer wall megaphone-shaped structure oblique downward-extension, up-small and down-big, the sealing pad is located at cabin side and is positioned at the below of the second chamber; The end face of described revolving body is from the wire harness pipe outer wall megaphone-shaped surface of revolution that extend obliquely, up big and down small structure.
As another kind of restriction the of the present utility model, described the first chamber is up-thin-low-thick, the outside dimension of its lower end is less than the external diameter of the second chamber, and the radial dimension of the front wall panel beating hole draw-in groove while is less than the outside dimension of the lower end of the first chamber, the external diameter of the second chamber.
As further restriction of the present utility model, the longitudinal section of the cavity of described the first chamber from top to bottom for " recessed " font of joining successively, rectangle, up-small and down-big trapezoidal and in twos the joint radial dimension mutually at once the joint without step.
Further limit as of the present utility model, described the second chamber is " inverted recessed " character form structure.
Further feature of the present utility model also has: described automobile front wall sealing device for wire through hole is rubber part.
Owing to adopted above-mentioned technical scheme, the utility model compared with prior art, obtained technological progress is: main body of the present utility model is the double-layer cavity structure, be convenient on the one hand extruding, with effectively with the clamping of front wall panel beating phase, thereby play good sealing function, simultaneously can two septum secundum sound-absorbings, effectively reduce the noise in the cabin; Also have, the utility model has adopted the sealing gasket of megaphone-shaped structure, not only can seal wire harness, intercept sound wave and reflective sound wave, and can effectively reduce the phenomenon that the front wall hole is revealed, engine noise, induction noise and exhaust noise etc. in the reduction cabin can improve driver and crew's comfort level to driving indoor propagation.
The utility model is applicable to automobile front wall via hole place, realizes wire harness passing-hole sealing noise reduction.
The utility model is described in further detail below in conjunction with Figure of description and specific embodiment.
Description of drawings
Fig. 1 is the overall structure schematic diagram of the utility model embodiment;
Fig. 2 be front view embodiment illustrated in fig. 1 partly cut open figure.
Among the figure: the 1-the first chamber, 2-front wall panel beating hole draw-in groove, the 3-the second chamber, 4-sealing gasket, the perforation of 5-wire harness.
Embodiment
Embodiment
Present embodiment is a kind of automobile front wall sealing device for wire through hole, and rubber mass is used for the sealing noise reduction at the cable-through hole place at front wall cabin, driver's cabin place.
This device comprises for the bottom of place, cabin sealing, is used for the top that the driver's cabin place seals, centered by locate rotary structure with penetrating wire harness perforation 5, the two ends of revolving body for and the wire harness perforation 5 wire harness pipes that are connected, on the revolving body corresponding to the waist between top and bottom with radially to the front wall panel beating hole draw-in groove 2 of center depression.
Be hollow chamber between the outer wall of wire harness perforation 5 and revolving body.Hollow chamber is divided into the up and down two parts that are connected take front wall stamping holes hole draw-in groove 2 as the boundary, and its middle and upper part is divided into the first chamber 1 of driver's cabin side, and the bottom is divided into the second chamber 3 of cabin side.
The first chamber 1 is up-thin-low-thick, the longitudinal section of its cavity from top to bottom for " recessed " font of joining successively, rectangle, up-small and down-big trapezoidal and in twos the joint radial dimension mutually at once the joint without step, its lower end near front wall panel beating hole draw-in groove 2 one sides with the circular arc chamfering.The second chamber 3 is " inverted recessed " character form structure.The double-layer cavity structure that the first plenum chamber of present embodiment and 1 second plenum chamber 3 form is convenient to the cavity extruding, and effectively clamping front wall panel beating has played good sealing function, can carry out two septum secundum sound-absorbings simultaneously, effectively reduces the noise in cabin.
The outside dimension of the first chamber 1 lower end is less than the external diameter of the second chamber 3, and the radial dimension of front wall panel beating hole draw-in groove 2 while is less than the outside dimension of the lower end of the first chamber 1, the external diameter of the second chamber 3.
The below of revolving body is the sealing gasket 4 from wire harness pipe outer wall megaphone-shaped structure oblique downward-extension, up-small and down-big corresponding to the outer position of wire harness pipe, and sealing pad 4 is located at the below that cabin side is positioned at the second chamber 3.Sealing gasket 4 is used for the sealing of place, cabin wire harness cable-through hole, intercept sound wave and reflective sound wave, effectively reduced the phenomenon that the front wall hole is revealed, engine noise, induction noise and exhaust noise etc. in the reduction cabin have improved driver and crew's comfort level to driving indoor propagation.
The end face of revolving body is from the wire harness pipe outer wall megaphone-shaped surface of revolution that extend obliquely, up big and down small structure, and this structure is used for sealing and the noise reduction of driver's cabin place cable-through hole.
Claims (5)
1. automobile front wall sealing device for wire through hole, comprise the bottom that seals for the place, cabin, the top that is used for the sealing of driver's cabin place, centered by locate rotary structure with penetrating wire harness perforation (5), the two ends of revolving body are the wire harness pipe that is connected with wire harness perforation (5), on the revolving body corresponding to the waist between top and bottom with radially to the front wall panel beating hole draw-in groove (2) of center depression
It is characterized in that:Be hollow chamber between the outer wall of described wire harness perforation (5) and revolving body; Described hollow chamber is divided into the up and down two parts that are connected take front wall stamping holes hole draw-in groove (2) as the boundary, and its middle and upper part is divided into first chamber (1) of driver's cabin side, and the bottom is divided into second chamber (3) of cabin side.
2. automobile front wall sealing device for wire through hole according to claim 1,
It is characterized in that:The below of described revolving body is the sealing gasket (4) from wire harness pipe outer wall megaphone-shaped structure oblique downward-extension, up-small and down-big corresponding to the outer position of wire harness pipe, and sealing pad (4) is located at cabin side and is positioned at the below of the second chamber (3); The end face of described revolving body is from the wire harness pipe outer wall megaphone-shaped surface of revolution that extend obliquely, up big and down small structure.
3. automobile front wall sealing device for wire through hole according to claim 1 and 2,
It is characterized in that:Described the first chamber (1) is up-thin-low-thick, the outside dimension of its lower end is less than the external diameter of the second chamber (3), and the radial dimension of front wall panel beating hole draw-in groove (2) while is less than the outside dimension of the lower end of the first chamber (1), the external diameter of the second chamber (3).
4. automobile front wall sealing device for wire through hole according to claim 3,
It is characterized in that:The longitudinal section of the cavity of described the first chamber (1) from top to bottom for " recessed " font of joining successively, rectangle, up-small and down-big trapezoidal and in twos the joint radial dimension mutually at once the joint without step.
5. automobile front wall sealing device for wire through hole according to claim 4,
It is characterized in that:Described the second chamber (3) is " inverted recessed " character form structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220359780 CN202817647U (en) | 2012-07-24 | 2012-07-24 | Automobile front wall wire harness passing hole sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220359780 CN202817647U (en) | 2012-07-24 | 2012-07-24 | Automobile front wall wire harness passing hole sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202817647U true CN202817647U (en) | 2013-03-20 |
Family
ID=47876464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220359780 Expired - Lifetime CN202817647U (en) | 2012-07-24 | 2012-07-24 | Automobile front wall wire harness passing hole sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202817647U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104176135A (en) * | 2014-08-22 | 2014-12-03 | 三一矿机有限公司 | Damping and noise reduction structure of cab and mining dump truck |
| CN107769122A (en) * | 2017-12-19 | 2018-03-06 | 宁波诗宏千禧贸易有限公司 | Rubber sheath for automotive wire bundle |
| CN107979041A (en) * | 2017-12-19 | 2018-05-01 | 宁波诗宏千禧贸易有限公司 | A kind of sheath of water-proof wire bundle |
| CN114928005A (en) * | 2022-05-27 | 2022-08-19 | 中国重汽集团济南动力有限公司 | Low-noise heavy truck electrical appliance junction box |
-
2012
- 2012-07-24 CN CN 201220359780 patent/CN202817647U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104176135A (en) * | 2014-08-22 | 2014-12-03 | 三一矿机有限公司 | Damping and noise reduction structure of cab and mining dump truck |
| CN107769122A (en) * | 2017-12-19 | 2018-03-06 | 宁波诗宏千禧贸易有限公司 | Rubber sheath for automotive wire bundle |
| CN107979041A (en) * | 2017-12-19 | 2018-05-01 | 宁波诗宏千禧贸易有限公司 | A kind of sheath of water-proof wire bundle |
| CN114928005A (en) * | 2022-05-27 | 2022-08-19 | 中国重汽集团济南动力有限公司 | Low-noise heavy truck electrical appliance junction box |
| CN114928005B (en) * | 2022-05-27 | 2024-02-20 | 中国重汽集团济南动力有限公司 | Low-noise heavy-duty truck electric appliance junction box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130320 |
|
| CX01 | Expiry of patent term |