CN109532703A - A kind of sound absorption sound-insulating structure for vehicle engine compartments - Google Patents
A kind of sound absorption sound-insulating structure for vehicle engine compartments Download PDFInfo
- Publication number
- CN109532703A CN109532703A CN201811545876.9A CN201811545876A CN109532703A CN 109532703 A CN109532703 A CN 109532703A CN 201811545876 A CN201811545876 A CN 201811545876A CN 109532703 A CN109532703 A CN 109532703A
- Authority
- CN
- China
- Prior art keywords
- wall
- compartment cover
- sound
- engine compartment
- bolted
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
- B60R13/0838—Insulating elements, e.g. for sound insulation for engine compartments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/10—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles
- B62D25/12—Parts or details thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Abstract
The invention discloses a kind of sound absorption sound-insulating structures for vehicle engine compartments, including engine compartment cover, the side outer wall of the engine compartment cover has been bolted rotary gemel, lamp pad has been bolted at the two sides fascia edge of the engine compartment cover, galenic is provided at the inner wall central axes of the engine compartment cover, and four side inner walls of galenic are welded with antidetonation tabletting, the outer wall of the galenic has been bolted liner acoustical cotton, and one end of antidetonation tabletting is mutually pressed with liner acoustical cotton, the side of the engine compartment cover has been bolted hinge seat.The present invention is inhibited the more shock absorption of engine by liner acoustical cotton and antidetonation tabletting, mute air hose is dredged vibration between front windshield air-inlet grille gas and cabin cover, wind is reduced to make an uproar, damping cap and lamp pad can slow down to be shaken at the pressing of two sides, hatchcover, which locks crash roll and can lock hatchcover, shakes reduction with cabin junction, prevents junction abnormal sound.
Description
Technical field
The present invention relates to vehicle technical field of sound isolation more particularly to a kind of sound absorption sound insulation knots for vehicle engine compartments
Structure.
Background technique
Auto sound is directed to a variety of noises, applies sound insulation data to stop improving, is made an uproar with reaching environment in decaying compartment
The work method of audio fruit, and the required high temperature resistant of acoustic material, fire prevention, just agree with the request of safety.The method of sound insulation be exactly every
Sound data is isolated by sound source with compartment, and the noise for radiating it is from traveling to compartment directly or through resonance, to reach control
The purpose of noise processed, enging cabin sound insulating pad are the important acoustics packaging parts of automobile engine nacelle, can effectively absorb cabin and make an uproar
Sound weakens the noise for being transmitted to crew module substantially.Existing sound-insulating structure is all to carry out sound-absorbing simply by sound insulating pad, such as
If fruit engine vibration is larger, sound-absorbing soundproof effect or poor.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and the one kind proposed is used for vehicle motor
The sound absorption sound-insulating structure in cabin.
To achieve the goals above, present invention employs following technical solutions:
A kind of sound absorption sound-insulating structure for vehicle engine compartments, including engine compartment cover, outside the side of the engine compartment cover
Wall has been bolted rotary gemel, has been bolted lamp pad at the two sides fascia edge of the engine compartment cover,
Galenic is provided at the inner wall central axes of the engine compartment cover, and four side inner walls of galenic are welded with antidetonation tabletting, it is described
The outer wall of galenic has been bolted liner acoustical cotton, and one end of antidetonation tabletting is mutually pressed with liner acoustical cotton, the hair
The side of motivation hatchcover has been bolted hinge seat, and the inner wall of hinge seat is fixed with hydraulic strut by hinge, described
Engine compartment cover is equipped with card slot by the two sides of low beam pad, and card slot inner wall is connected with damping cap, and the engine compartment cover is close
The side of rotary gemel is provided with mute air hose, and one end of mute air hose and galenic connect.
Preferably, the engine compartment cover is provided with rear deck rubber weather strip at the one side edge of mute air hose, and
The two sides of rear deck rubber weather strip are provided with guiding gutter.
Preferably, the other side outer wall bottom of the engine compartment cover has been bolted engine lock, and engine
The outer wall of hatchcover is bonded with hatchcover lock crash roll close to the side of engine lock.
Preferably, the damping cap includes two clamping caps and compressed spring, and compressed spring is located at two clamping caps
Between opposite side inner wall.
Preferably, it is provided with limit magnet ring at the outer wall central axes of the damping cap, and card slot inner wall is provided with and limits
The fixation magnet ring that magnet ring matches.
Preferably, the outer wall of the lamp pad is provided with wave channel, and lamp pad is made of heat-resisting yielding rubber.
The invention has the benefit that
1. the more shock absorption of engine is inhibited, while being provided with quiet by being provided with liner acoustical cotton and antidetonation tabletting
Sound air hose is dredged the vibration that front windshield air-inlet grille enters between gas and cabin cover in cabin, is reduced wind and is made an uproar generation
Noise；
2. the vibration at the pressing of two sides can be slowed down by being provided with damping cap and lamp pad, while it being provided with hatchcover lock crash roll, it can
Junction between hatchcover lock and cabin is shaken and is reduced, the abnormal sound of junction is prevented.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of sound absorption sound-insulating structure for vehicle engine compartments proposed by the present invention；
Fig. 2 is a kind of damping cap structure schematic diagram of sound absorption sound-insulating structure for vehicle engine compartments proposed by the present invention.
In figure: 1 engine compartment cover, 2 damping caps, 3 lamp pads, 4 liner acoustical cottons, 5 antidetonation tablettings, 6 rear deck rubber weather strips,
7 mute air hoses, 8 hydraulic struts, 9 hatchcovers lock crash roll, 10 clamping caps, 11 limit magnet rings, 12 compressed springs.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-2, a kind of sound absorption sound-insulating structure for vehicle engine compartments, including engine compartment cover 1, enging cabin
The side outer wall of lid 1 has been bolted rotary gemel, is bolted at the two sides fascia edge of engine compartment cover 1
There is lamp pad 3, galenic is provided at the inner wall central axes of engine compartment cover 1, and four side inner walls of galenic are welded with antidetonation tabletting
5, the outer wall of galenic has been bolted liner acoustical cotton 4, and one end of antidetonation tabletting 5 is mutually pressed with liner acoustical cotton 4, hair
The side of motivation hatchcover 1 has been bolted hinge seat, and the inner wall of hinge seat is fixed with hydraulic strut 8 by hinge, hair
Motivation hatchcover 1 is equipped with card slot by the two sides of low beam pad 3, and card slot inner wall is connected with damping cap 2, and engine compartment cover 1 is close to rotation
The side of turning hinge chain is provided with mute air hose 7, and one end of mute air hose 7 and galenic connect, and engine compartment cover 1 is close to mute
Rear deck rubber weather strip 6 is provided at the one side edge of air hose 7, and the two sides of rear deck rubber weather strip 6 are provided with guiding gutter,
The other side outer wall bottom of engine compartment cover 1 has been bolted engine lock, and the outer wall of engine compartment cover 1 is close to starting
The side of machine lock is bonded with hatchcover lock crash roll 9, and damping cap 2 includes two clamping caps 10 and compressed spring 12, and compressed spring
12 are located between the opposite side inner wall of two clamping caps 10, and limit magnet ring 11 is provided at the outer wall central axes of damping cap 2, and
Card slot inner wall is provided with the fixation magnet ring to match with limit magnet ring 11, and the outer wall of lamp pad 3 is provided with wave channel, and lamp pad 3 is by resistance to
Hot yielding rubber is made.
Working principle: liner acoustical cotton 4 and antidetonation tabletting 5 of this engine compartment cover by middle part, by the more of engine
Shock absorption inhibits, and front windshield air-inlet grille is entered the gas and machine in cabin by the sealing strip and mute air hose 7 of rear deck setting
Vibration between hatchcover is dredged, and is reduced wind and is made an uproar the noise of generation, and the damping cap 2 and lamp pad 3 of two sides setting can slow down two side pressures
Vibration at conjunction, hatchcover, which locks crash roll 9 and can lock hatchcover, shakes reduction the junction between cabin, prevents the different of junction
It rings.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of sound absorption sound-insulating structure for vehicle engine compartments, including engine compartment cover (1), which is characterized in that the hair
The side outer wall of motivation hatchcover (1) has been bolted rotary gemel, at the two sides fascia edge of the engine compartment cover (1)
It has been bolted lamp pad (3), has been provided with galenic, and the four of galenic at the inner wall central axes of the engine compartment cover (1)
Side inner wall is welded with antidetonation tabletting (5), and the outer wall of the galenic has been bolted liner acoustical cotton (4), and shock pressure
One end of piece (5) is mutually pressed with liner acoustical cotton (4), and the side of the engine compartment cover (1) has been bolted hinge seat,
And the inner wall of hinge seat is fixed with hydraulic strut (8) by hinge, the engine compartment cover (1) is equal by the two sides of low beam pad (3)
Equipped with card slot, and card slot inner wall is connected with damping cap (2), and the engine compartment cover (1) is provided with close to the side of rotary gemel
Mute air hose (7), and one end of mute air hose (7) and galenic connect.
2. a kind of sound absorption sound-insulating structure for vehicle engine compartments according to claim 1, which is characterized in that the hair
Motivation hatchcover (1) is provided with rear deck rubber weather strip (6) at the one side edge of mute air hose (7), and rear deck rubber seal
The two sides of item (6) are provided with guiding gutter.
3. a kind of sound absorption sound-insulating structure for vehicle engine compartments according to claim 1, which is characterized in that the hair
The other side outer wall bottom of motivation hatchcover (1) has been bolted engine lock, and the outer wall of engine compartment cover (1) is close to hair
The side of motivation lock is bonded with hatchcover lock crash roll (9).
4. a kind of sound absorption sound-insulating structure for vehicle engine compartments according to claim 1, which is characterized in that described to subtract
Shaking cap (2) includes two clamping caps (10) and compressed spring (12), and compressed spring (12) is located at the phase of two clampings cap (10)
To between the inner wall of side.
5. a kind of sound absorption sound-insulating structure for vehicle engine compartments according to claim 4, which is characterized in that described to subtract
It shakes and is provided with limit magnet ring (11) at the outer wall central axes of cap (2), and card slot inner wall is provided with and matches with limit magnet ring (11)
Fixation magnet ring.
6. a kind of sound absorption sound-insulating structure for vehicle engine compartments according to claim 1, which is characterized in that the lamp
The outer wall of pad (3) is provided with wave channel, and lamp pad (3) is made of heat-resisting yielding rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811545876.9A CN109532703A (en) | 2018-12-18 | 2018-12-18 | A kind of sound absorption sound-insulating structure for vehicle engine compartments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811545876.9A CN109532703A (en) | 2018-12-18 | 2018-12-18 | A kind of sound absorption sound-insulating structure for vehicle engine compartments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109532703A true CN109532703A (en) | 2019-03-29 |
Family
ID=65854966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811545876.9A Withdrawn CN109532703A (en) | 2018-12-18 | 2018-12-18 | A kind of sound absorption sound-insulating structure for vehicle engine compartments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109532703A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112455552A (en) * | 2020-11-27 | 2021-03-09 | 维泰汽车科技(常州)有限公司 | Automobile cabin cover assembly structure |
-
2018
- 2018-12-18 CN CN201811545876.9A patent/CN109532703A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112455552A (en) * | 2020-11-27 | 2021-03-09 | 维泰汽车科技(常州)有限公司 | Automobile cabin cover assembly structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190329 |
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| WW01 | Invention patent application withdrawn after publication |