CN213705353U - Noise reduction device for automobile chassis - Google Patents
Noise reduction device for automobile chassis Download PDFInfo
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- CN213705353U CN213705353U CN202022706271.2U CN202022706271U CN213705353U CN 213705353 U CN213705353 U CN 213705353U CN 202022706271 U CN202022706271 U CN 202022706271U CN 213705353 U CN213705353 U CN 213705353U
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Abstract
The utility model provides a device of making an uproar falls in vehicle chassis, including a connecting plate, the installation extension board, the bolt falls the baffle of making an uproar, shock absorber post, blotter and protection bottom plate, wherein: the side part of the top connecting plate is integrally welded with an installation supporting plate, and the protective bottom plate is fixedly installed with the automobile chassis through bolts; the noise reduction partition plate is welded on the lower portion of the top connecting plate, the lower side portion of the noise reduction partition plate is fixed to the upper end of the shock absorption column through a bolt, the lower end of the shock absorption column is welded and fixed to the upper portion of the side portion of the protection bottom plate, and the lower portion of the cushion pad is fixed to the protection bottom plate through a screw. The structure of the top connecting plate, the mounting support plate, the noise reduction partition plate, the shock absorption column, the protective bottom plate and the like is arranged, so that the firmness of the whole mounting with the chassis is improved, the sound insulation, shock absorption and noise reduction effects of the whole mounting are excellent, the noise generated by driving is reduced to the maximum extent, the top connecting plate has an excellent protective structure, and the use requirement is met.
Description
Technical Field
The utility model belongs to the technical field of auto-parts, especially, relate to a device of making an uproar falls in vehicle chassis.
Background
The automobile is the most common mode for modern people to go out, and the invention of the automobile brings convenience to traffic. The automobile chassis consists of four parts, namely a transmission system, a running system, a steering system and a braking system. The chassis is used for supporting and mounting the automobile engine and all parts and assemblies thereof to form the integral shape of the automobile, and receives the power of the engine to enable the automobile to move and ensure the normal running.
However, the existing noise reduction device for the automobile chassis has the problems that the installation fixity of the whole structure and the automobile chassis is poor, the mutual friction is small, the installation is not firm, the phenomenon of shaking and dropping is easy, the whole effects of sound insulation, shock absorption and noise reduction are still poor, the noise generated by driving cannot be reduced to the maximum extent, meanwhile, the whole structure does not have an excellent protection structure, the device is easy to damage, the damage to the chassis is caused, and the use requirement cannot be met.
Therefore, the invention is very necessary to invent the noise reduction device of the automobile chassis.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a device of making an uproar falls in vehicle chassis to it is relatively poor to solve current vehicle chassis device of making an uproar to fall still to have the installation fixity, and the installation is insecure to rock easily and drop, and gives sound insulation, shock attenuation, noise reduction effect are poor, wholly do not possess superior protective structure, cause the problem of harm to the chassis easily.
The utility model provides a device of making an uproar falls in vehicle chassis, includes the top connecting plate, installs the extension board, and the bolt falls baffle or the vacuum acoustic celotex board of making an uproar, shock attenuation post, blotter and protective base plate, wherein: an installation support plate is integrally welded at the side part of the top connecting plate, a bolt is arranged on the installation support plate in a threaded manner, and the protective bottom plate is fixedly installed with the automobile chassis through the bolt; the noise reduction partition plate is welded at the lower part of the top connecting plate, the lower part of the noise reduction partition plate is fixed by a cushion pad through screws, and the lower part of the cushion pad is fixed by a protective bottom plate through screws; the upper end of the shock absorption column is fixed with the lower part of the installation support plate, and the lower end of the shock absorption column is welded and fixed with the upper side part of the protection bottom plate.
Further, the top connecting plate includes a contact plate, a stabilizing pad and a metal bottom plate, wherein: the contact plate is made of rubber materials and has the same shape as an automobile chassis, and a plurality of rubber material stable cushions are sequentially fixed on the upper part of the contact plate through screws; the metal bottom plate is fixed on the lower portion of the contact plate through screws, the metal bottom plate is made of stainless steel materials and is in a solid plate shape, the metal bottom plate is in close contact with the automobile chassis through structural design, installation friction between the whole device and the automobile chassis is increased, and therefore the whole device and the automobile chassis are installed more firmly.
Furthermore, the number of the installation support plates is at least four, the installation support plates are respectively welded on the periphery of the metal bottom plate, and bolts are arranged on the installation support plates and used for installing and fixing the whole automobile chassis.
Further, the baffle of making an uproar falls includes metal fixing plate, sound insulation damping felt, puigging, perforation abatvoix and fossil fragments, wherein: the metal fixing plate is welded with the metal bottom plate, and the lower part of the metal fixing plate is fixed with a sound insulation damping felt through a screw; the sound insulation layer is in a rectangular layer shape made of sound insulation cotton materials and is adhered to the lower portion of the sound insulation damping felt, and a perforated sound absorption plate is adhered to the lower portion of the sound insulation layer; the perforated sound-absorbing plate is provided with a plurality of through holes, and keels are sleeved on one ends of the perforated sound-absorbing plate, the sound-insulating layer, the sound-insulating damping felt and the metal fixing plate; the whole thickness of the noise reduction partition plate is 5cm, the effective sound insulation and noise reduction effects are realized through structural design, the noise generated in the driving process of the automobile is reduced to the maximum extent, the noise cannot be transmitted to the space in the automobile, and the design requirements are met.
Furthermore, the shock absorption columns are respectively fixed between the upper part of the protection bottom plate and the lower part of the installation support plate; the shock attenuation post includes the body, the inner panel, the piston, spring and fixed column, wherein: an inner plate is fixed at the inner middle part of the body, through holes are formed in two sides of the inner plate, a cavity is formed above the inner plate, and hydraulic oil is filled in the cavity; the piston is located the top of inner panel, and the lower part of piston is fixed through the upper portion of connecting rod and fixed column, is fixed with the spring between this fixed column and the inner panel, adopts the mutual friction between the hydraulic fluid to form the damping force to improve the holistic shock attenuation effect of device, the noise that the further reduction process of traveling produced breaks away from single elasticity shock attenuation mode, and the improvement effect that is showing satisfies the needs of settlement.
Furthermore, the cushion is in a cushion shape made of rubber materials and is fixed between the lower part of the noise reduction partition plate and the upper part of the protection bottom plate; the blotter is 3cm with the whole thickness of protection bottom plate, to the whole effect that realizes the buffering protection of device, and can mutually support with the shock attenuation post, further improvement vibration/noise reduction's effect.
Furthermore, a sound insulation layer and a closed cavity are arranged in the vacuum sound insulation board, and the closed cavity (81) is communicated with the outside through a one-way valve.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses the setting of top connecting plate and installation extension board, structural design are used for whole fixed and chassis in close contact with vehicle chassis's installation, increase the whole installation friction with vehicle chassis of device to make the device whole more firm with vehicle chassis installation, and follow-up dismantlement simple and convenient.
2. The utility model discloses the setting of the baffle of making an uproar falls, structural design realizes effectual syllable-dividing noise reduction effect, and noise that furthest's reduction car travel in-process produced can not transmit the noise to car inner space, and is whole firm stable, satisfies the designing requirement.
3. The utility model discloses the setting of shock attenuation post adopts the mutual friction between the hydraulic pressure fluid to form the damping force and improves holistic shock attenuation effect, and the noise that further reduction process of traveling produced breaks away from single elasticity shock attenuation mode, the improvement effect that is showing.
4. The utility model discloses the setting of blotter and protection bottom plate to the whole effect that realizes the buffering protection of device, and can mutually support with the shock attenuation post, further improvement vibration/noise reduction's effect.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of embodiment 2 of the present invention;
fig. 3 is a schematic structural view of the top connection plate 1 of the present invention;
fig. 4 is a schematic structural view of the noise reduction partition plate 4 of the present invention;
fig. 5 is a schematic structural view of the vacuum insulation panel 8 of the present invention;
fig. 6 is a schematic structural view of the shock absorbing column 5 of the present invention.
In the figure:
1-top connecting plate, 11-contact plate, 12-stabilizing pad, 13-metal bottom plate, 2-mounting support plate, 3-bolt, 4-noise reduction partition plate, 41-metal fixing plate, 42-sound insulation damping felt, 43-sound insulation layer, 44-perforated sound absorption plate, 45-keel, 5-shock absorption column, 51-body, 52-inner plate, 53-piston, 54-spring, 55-fixing column, 56-through hole, 6-buffer pad, 7-protecting bottom plate, 8-vacuum sound insulation plate, 81-cavity and 82-one-way valve.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
As shown in figures 1 to 6.
Example 1: the utility model provides a pair of device of making an uproar falls in vehicle chassis, including top connecting plate 1, installation extension board 2, bolt 3 falls the baffle 4 of making an uproar, shock attenuation post 5, blotter 6 and protection bottom plate 7, wherein: an installation support plate 2 is integrally welded at the side part of the top connecting plate 1, a bolt 3 is arranged on the installation support plate 2 in a threaded manner, and the protective bottom plate 7 is fixedly installed with the automobile chassis through the bolt 3; the noise reduction partition plate 4 is welded at the lower part of the top connecting plate 1, the lower part of the noise reduction partition plate 4 is fixed by a cushion pad 6 through screws, and the lower part of the cushion pad 6 is fixed by a protective bottom plate 7 through screws; the upper end of the shock absorption column 5 is fixed with the lower part of the installation support plate 2, and the lower end of the shock absorption column 5 is welded and fixed with the upper side part of the protection bottom plate 7; the top connection plate 1 comprises a contact plate 11, a stabilizing pad 12 and a metal bottom plate 13; the noise reduction partition plate 4 comprises a metal fixing plate 41, a sound insulation damping felt 42, a sound insulation layer 43, a perforated sound absorption plate 44 and a keel 45; the shock absorbing column 5 comprises a body 51, an inner plate 52, a piston 53, a spring 54, a fixing column 55 and a through hole 56, wherein a closed cavity in the body 51 is filled with liquid.
During the use, fix the whole installation of device and vehicle chassis through bolt 3 and installation extension board 2, at the car in-process of traveling, the noise that produces can be at first through perforation abatvoix 44 then transmit the noise that produces for the preliminary reduction of puigging 43, and noise reduces to the maximize basically when rethread sound-proof damping felt 42 furthest's lower noise transmits metal fixing plate 41 to make the inside quiet noiseless environment that is in of car, satisfy the design purpose.
When the automobile bumps and shakes during running, vibration force with vertical amplitude is generated to drive the protective bottom plate 7 to generate acting force on the fixing column 55, so that the piston 53 in the cavity above the inner plate 52 is driven to move up and down in the cavity, hydraulic oil in the cavity passes through a gap formed by the piston 53 and the inner wall of the body 51 and flows back and forth to the other side of the piston 53, the hydraulic oil flows up and down in a reciprocating manner through the through hole 56 of the inner plate 52, and at the moment, friction between the gap and oil and internal friction between oil molecules form damping force on the piston 53 which moves up and down, so that the damping and buffering effect is realized, noise generated by vibration is greatly reduced, and the performance of the device is more excellent; and the setting of blotter 6 and protection bottom plate 7 realizes the effect of buffering protection to the device is whole, and can mutually support with shock-absorbing column 5, and further improvement damping and noise reduction's effect plays certain safeguard effect to the chassis simultaneously.
Example 2: the difference between embodiment 2 and embodiment 1 is that the noise reduction partition plate 4 in embodiment 1 is replaced by a vacuum sound insulation plate 8, and the vacuum sound insulation plate 8 is provided with a sealed cavity 81 in addition to the sound insulation layer 43, and the cavity is in a vacuum state; the vacuum sound insulation board 8 is provided with a check valve 82 on the outside, the check valve 82 is communicated with the cavity 81, and the check valve 82 is connected with an external vacuum-pumping device. As is well known, since sound cannot be relayed in vacuum, the vacuum acoustic panel 8 can isolate chassis noise more effectively, and the shock absorbing column 5 can reduce noise generated by bumping and simultaneously reduce the intensity of sound waves.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (7)
1. The utility model provides a device of making an uproar falls in vehicle chassis which characterized in that: including top connecting plate (1), installation extension board (2), bolt (3), baffle (4) or vacuum acoustic celotex board (8) of making an uproar fall, shock attenuation post (5), blotter (6) and protection bottom plate (7), wherein: the side surface of the top connecting plate (1) is welded with an installation support plate (2), and the protective bottom plate (7) is fixedly installed with the automobile chassis through a bolt (3); the noise reduction partition plate (4) or the vacuum sound insulation plate (8) is welded at the lower part of the top connecting plate (1), the lower part of the noise reduction partition plate (4) or the vacuum sound insulation plate (8) is fixed with the cushion pad (6) through screws, and the lower part of the cushion pad (6) is fixed on the protective bottom plate (7) through screws; the shock absorption column (5) is located between the installation support plate (2) and the protection bottom plate (7), the upper end of the shock absorption column (5) is fixed to the lower portion of the installation support plate (2), and the lower end of the shock absorption column (5) is fixed to the upper surface of the protection bottom plate (7).
2. The automotive chassis noise reduction apparatus of claim 1, wherein: the top connecting plate (1) comprises a contact plate (11), a stabilizing pad (12) and a metal bottom plate (13), wherein the upper part of the contact plate (11) is sequentially fixed with a plurality of rubber-material stabilizing pads (12) through screws; the metal bottom plate (13) is fixed at the lower part of the contact plate (11) through screws.
3. The automotive chassis noise reduction device according to claim 1 or 2, characterized in that: the number of the installation support plates (2) is at least four, and the installation support plates (2) are respectively welded on the periphery of the metal bottom plate (13).
4. The automotive chassis noise reduction apparatus of claim 1, wherein: the noise reduction partition board (4) comprises a metal fixing board (41), a sound insulation damping felt (42), a sound insulation layer (43), a perforated sound absorption board (44) and a keel (45), wherein: the metal fixing plate (41) is welded with the metal bottom plate (13), and a sound insulation damping felt (42) is fixed at the lower part of the metal fixing plate (41) through a screw; the sound insulation layer is adhered to the lower part of the sound insulation damping felt (42), and a perforated sound absorption plate (44) is adhered to the lower part of the sound insulation layer (43); one end of the perforated sound-absorbing plate (44), the sound-insulating layer (43), the sound-insulating damping felt (42) and the metal fixing plate (41) is sleeved with a keel (45).
5. The automotive chassis noise reduction apparatus of claim 1, wherein: the shock absorption column (5) comprises a body (51), an inner plate (52), a piston (53), a spring (54) and a fixing column (55), wherein: an inner plate (52) is fixed in the middle of the body (51), through holes are formed in two sides of the inner plate (52), a cavity is formed above the inner plate (52), and hydraulic oil is filled in the cavity; the piston (53) is positioned above the inner plate (52), the lower part of the piston (53) is fixed with the upper part of a fixed column (55) through a connecting rod, a spring (54) is fixed between the fixed column (55) and the inner plate (52), and the fixed column (55) is fixed with the upper side part of the protection bottom plate (7).
6. The automotive chassis noise reduction apparatus of claim 1, wherein: the buffer cushion (6) is in a cushion shape made of rubber materials and is fixed between the lower part of the noise reduction partition plate (4) and the upper part of the protection bottom plate (7).
7. The automotive chassis noise reduction apparatus of claim 1, wherein: a sound insulation layer (43) and a closed cavity (81) are arranged in the vacuum sound insulation board (8), and the closed cavity (81) is communicated with the outside through a one-way valve (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022706271.2U CN213705353U (en) | 2020-11-20 | 2020-11-20 | Noise reduction device for automobile chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022706271.2U CN213705353U (en) | 2020-11-20 | 2020-11-20 | Noise reduction device for automobile chassis |
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| Publication Number | Publication Date |
|---|---|
| CN213705353U true CN213705353U (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022706271.2U Active CN213705353U (en) | 2020-11-20 | 2020-11-20 | Noise reduction device for automobile chassis |
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| CN (1) | CN213705353U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112455359A (en) * | 2020-11-20 | 2021-03-09 | 桂林电子科技大学 | Noise reduction device for automobile chassis |
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- 2020-11-20 CN CN202022706271.2U patent/CN213705353U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112455359A (en) * | 2020-11-20 | 2021-03-09 | 桂林电子科技大学 | Noise reduction device for automobile chassis |
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| CB03 | Change of inventor or designer information |
Inventor after: Tang Rongjiang Inventor after: Zhang Zhiyuan Inventor after: Zheng Weiguang Inventor after: He Shuilong Inventor after: Xu Enyong Inventor after: Lu Zengjun Inventor before: Tang Rongjiang Inventor before: Zhang Zhiyuan Inventor before: Zheng Weiguang Inventor before: He Shuilong Inventor before: Xu Enyong Inventor before: Lu Zengjun |