CN211223624U - Automobile shock absorption and noise reduction equipment - Google Patents
Automobile shock absorption and noise reduction equipment Download PDFInfo
- Publication number
- CN211223624U CN211223624U CN201921823437.XU CN201921823437U CN211223624U CN 211223624 U CN211223624 U CN 211223624U CN 201921823437 U CN201921823437 U CN 201921823437U CN 211223624 U CN211223624 U CN 211223624U
- Authority
- CN
- China
- Prior art keywords
- noise reduction
- layer
- buffering
- vibration
- bonnet
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Superstructure Of Vehicle (AREA)
Abstract
The utility model discloses a shock-absorbing noise-reducing device for automobile, belonging to the technical field of shock-absorbing noise-reducing, which is characterized in that the device comprises an engine cover body and a flame-retardant layer, the middle part of the engine cover body is provided with a shock-absorbing noise-reducing layer, the upper and lower end surfaces of the shock-absorbing noise-reducing layer are respectively provided with an engine cover outer layer and an engine cover inner layer, the upper and lower ends of the shock-absorbing noise-reducing layer are respectively fixedly connected with a plurality of buffering crossbeams and buffering longitudinal beams, a plurality of cell lattices are formed by the crossing arrangement of the buffering crossbeams and the buffering longitudinal beams, the middle parts of the plurality of cell lattices are respectively provided with valley units, the crossing parts of the plurality of buffering crossbeams and the buffering longitudinal beams are respectively provided with bump units, the upper and lower ends of the shock-absorbing noise-reducing layer are respectively fixedly connected with a plurality of buffering crossbeams and buffering longitudinal beams, and enhancing the sound insulation and noise reduction effects.
Description
Technical Field
The utility model relates to an automobile shock attenuation and noise reduction technical field, in particular to automobile shock attenuation and noise reduction equipment.
Background
Along with the improvement of the quality of life, along with the development of automobiles, the requirements of personalized modeling requirements and creative design of modeling on structural design are higher and higher, the requirements of people on the comfort of the automobiles are also improved, and the engine cover is a device for protecting an automobile engine and other automobile elements.
But the existing automobile engine hood has poor damping and noise reducing effects.
SUMMERY OF THE UTILITY MODEL
The utility model provides a car vibration/noise reduction equipment aims at solving the poor problem of bonnet vibration/noise reduction effect of current car.
The utility model discloses a realize like this, a car vibration/noise reduction equipment, including bonnet body and fire-retardant layer, fire-retardant level is in the below of bonnet body, the lateral wall of bonnet body is provided with a plurality of evenly distributed's buckle, the middle part of bonnet body is provided with vibration/noise reduction layer, the upper and lower both ends face on vibration/noise reduction layer is provided with the outer and the bonnet inlayer respectively, a plurality of buffering crossbeams of fixedly connected with and buffering longeron, a plurality of respectively at the upper and lower both ends on vibration/noise reduction layer buffering crossbeam and buffering longeron intercrossing set up and formed a plurality of cell, and is a plurality of the valley unit has all been seted up at the middle part of cell, and is a plurality of buffering crossbeam and buffering longeron intercrossing department all are provided with the lug unit.
In order to absorb the noise when the engine moves, play fine noise reduction effect, as the utility model discloses an automobile shock attenuation noise reduction equipment is preferred, the up end fixedly connected with of bonnet inlayer a plurality of and corn unit assorted soundproof cotton piece.
In order to effectively avoid the corrosion of spring, extension damping device's life does the utility model discloses a car vibration/noise reduction equipment is preferred, the buckle is close the one end fixedly connected with damping elastic device of bonnet body, damping elastic device's other end fixedly connected with mounting.
For convenient buckle and shock attenuation resilient means are connected with the mounting, make the bonnet obtain the shock attenuation effect and improve, conduct the utility model discloses a car vibration/noise reduction equipment is preferred, mounting and bonnet body fixed connection.
In order to make things convenient for supplementary installation bonnet, make the preceding bonnet below of the more firm installation of bonnet, as the utility model discloses a car vibration/noise reduction equipment is preferred, the preceding terminal surface on fire-retardant layer runs through the former mounting hole of having seted up a plurality of evenly distributed, the lower terminal surface of former mounting hole runs through the bonnet body and extends to the bonnet body outside.
In order to alleviate the weight of bonnet itself by a wide margin, conduct the utility model discloses a car vibration/noise reduction equipment is preferred, vibration/noise reduction layer, bonnet skin and bonnet inlayer all adopt carbon-fibre composite to make.
In order to make the noise reduction effect of lug unit and soundproof cotton piece improve, increased bonnet body shock attenuation effect simultaneously, as the utility model discloses a car vibration/noise reduction equipment is preferred, soundproof cotton piece highly be the twice of lug unit height.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the automobile shock absorption and noise reduction equipment has the advantages that the flame-retardant layer is arranged below the engine hood body, the aluminum polyester film is adopted in the flame-retardant layer, the good heat insulation effect can be achieved, meanwhile, part of heat can be reflected out, the heat transmitted to an engine is reduced, the shock absorption and noise reduction layer is arranged in the middle of the engine hood body and is made of a melt-blown high polymer fiber layer and an expanded polytetrafluoroethylene layer, when sound waves are transmitted to the shock absorption and noise reduction layer, micropore gaps formed by the internal structure of the shock absorption and noise reduction layer enable the engine hood to be capable of consuming, absorbing and reducing noise, sound transmission is prevented, the sound insulation and noise reduction effects are achieved, the noise pollution environment is prevented, a plurality of buffering cross beams and buffering longitudinal beams are fixedly connected to the upper end and the lower end of the shock absorption and noise reduction layer respectively, the engine hood outer layer and the engine hood inner layer connected to the, meanwhile, the bump units and the valley units arranged below the damping and noise-reducing layer can increase the consumption of sound wave energy and enhance the sound-insulating and noise-reducing effect;
2. according to the automobile shock absorption and noise reduction equipment, the height of the soundproof cotton blocks is designed to be twice of the height of the bump units, so that the shock absorption and noise reduction layer and the inner layer of the engine cover can be closely attached to each other when being stacked and reinforced, the noise reduction effect of the bump units and the soundproof cotton blocks is improved, and the shock absorption effect of the engine cover body is improved;
3. this kind of automobile shock attenuation noise reduction equipment, through with vibration/noise reduction layer, the engine hood skin all adopts carbon-fibre composite to make with the engine hood inlayer, carbon-fibre composite toughness and tensile strength are strong, density is little, thereby can alleviate the weight of engine hood itself by a wide margin, the up end fixedly connected with on the engine hood inlayer a plurality of with valley unit assorted soundproof cotton piece, soundproof cotton piece adopts flexible compound soundproof cotton, flexible compound soundproof cotton has very strong soundproof effect, automobile engine starts, can absorb the noise when the engine moves, play fine noise reduction effect.
Drawings
FIG. 1 is an overall structure diagram of the damping and noise reducing device of the present invention;
fig. 2 is a cross-sectional view of the hood body of the present invention;
FIG. 3 is a structural diagram of the groove of the present invention;
FIG. 4 is a top view structural diagram of the damping and noise reducing layer of the present invention;
FIG. 5 is a structural view of the shock-absorbing elastic device of the present invention;
in the figure, 1, a hood body; 101. a hood inner layer; 1011. a sound-insulating cotton block; 102. a damping and noise reducing layer; 1021. a buffer beam; 1022. buffering the longitudinal beam; 1023. a bump unit; 1024. a valley unit; 103. an outer layer of the engine cover; 104. original mounting holes; 2. a flame retardant layer; 3. buckling; 4. a shock-absorbing elastic device; 401. and a fixing member.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, 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 invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an automobile shock attenuation and noise reduction equipment, including bonnet body 1 and fire-retardant layer 2, fire-retardant layer 2 is located bonnet body 1's below, bonnet body 1's lateral wall is provided with a plurality of evenly distributed's buckle 3, bonnet body 1's middle part is provided with shock attenuation and noise reduction layer 102, shock attenuation and noise reduction layer 102's upper and lower both ends face is provided with outer 103 of bonnet and bonnet inlayer 101 respectively, the upper and lower both ends difference a plurality of buffering crossbeam 1021 and the buffering longeron of fixedly connected with on shock attenuation and noise reduction layer 102, a plurality of buffering crossbeams 1021 and buffering longeron 1022 are crisscross to be set up and have formed a plurality of cells each other, valley unit 1024 has all been seted up at the middle part of a plurality of cells, a plurality of buffering crossbeams 1021 and buffering longeron 1022.
In this embodiment: the flame retardant layer 2 is arranged below the engine cover body 1, the flame retardant layer 2 can play a good heat insulation role by adopting an aluminum polyester film, part of heat can be reflected out to reduce the heat transmitted to an engine, the middle part of the engine cover body 1 is provided with the vibration and noise reduction layer 102, the vibration and noise reduction layer 102 is made of a melt-blown high polymer fiber layer and an expanded polytetrafluoroethylene layer, when sound waves are transmitted to the vibration and noise reduction layer 102, micropore gaps formed by the internal structure of the vibration and noise reduction layer 102 enable the engine cover to consume, absorb and reduce noise, sound transmission is prevented, the effects of sound insulation and noise reduction are achieved, and the noise pollution to the environment is prevented, a plurality of buffering cross beams 1021 and buffering longitudinal beams 1022 are fixedly connected at the upper end and the lower end of the vibration and noise reduction layer 102 respectively, so that the engine cover outer layer 103 and the engine cover inner layer 101 connected at the upper end and the lower end of the, meanwhile, the bump units 1023 and the valley units 1024 arranged below the vibration and noise reduction layer 102 can increase the consumption of sound wave energy, and the sound insulation and noise reduction effects are enhanced.
As a technical optimization scheme of the utility model, the up end fixedly connected with of bonnet inlayer 101 a plurality of and corn unit 1024 assorted soundproof cotton piece 1011.
In this embodiment: through a plurality of soundproof cotton pieces 1011 with valley unit 1024 assorted of up end fixedly connected with at bonnet inlayer 101, soundproof cotton piece 1011 adopts flexible compound soundproof cotton, and flexible compound soundproof cotton has very strong syllable-dividing effect, and automobile engine starts, can absorb the noise when the engine operation, plays fine noise reduction effect.
As a technical optimization scheme of the utility model, buckle 3 is close bonnet body 1's one end fixedly connected with shock attenuation resilient means 4, shock attenuation resilient means 4's other end fixedly connected with mounting 401.
In this embodiment: through the one end fixed connection shock attenuation resilient means 4 that is close bonnet body 1 at buckle 3, align buckle 3 with the aperture on the preceding bonnet one by one, carry out the joint, make the bonnet fix the below of preceding bonnet, buckle 3 one end fixed connection's shock attenuation resilient means 4 can improve the shock attenuation effect of bonnet, and shock attenuation resilient means 4 sets up in the cell type sleeve, has effectively avoided the corrosion of spring, extension damping means's life.
As a technical optimization scheme of the utility model, mounting 401 and bonnet body 1 fixed connection.
In this embodiment: through with mounting 401 and bonnet body 1 fixed connection to conveniently connect buckle 3 and damping elastic device 4 with mounting 401, make the bonnet obtain the shock attenuation effect and improve.
As a technical optimization scheme of the utility model, the preceding terminal surface on fire-retardant layer 2 runs through the former mounting hole 104 of seting up a plurality of evenly distributed, and the lower terminal surface of former mounting hole 104 runs through bonnet body 1 and extends to bonnet body 1 outside.
In this embodiment: through the former mounting hole 104 that sets up a plurality of evenly distributed at the preceding terminal surface of fire-retardant layer 2 to with former mounting hole 104, conveniently assist the installation bonnet, make the preceding bonnet below of the more firm installation of bonnet.
As a technical optimization scheme of the utility model, vibration/noise reduction layer 102, engine hood outer layer 103 and engine hood inner layer 101 all adopt carbon-fibre composite to make.
In this embodiment: the shock absorption and noise reduction layer 102, the engine hood outer layer 103 and the engine hood inner layer 101 are made of carbon fiber composite materials, and the carbon fiber composite materials are high in toughness and tensile strength and low in density, so that the weight of the engine hood can be greatly reduced.
As a technical optimization scheme of the utility model, the height of soundproof cotton piece 1011 is the twice of bump unit 1023 height.
In this embodiment: through the high twice that designs into lug unit 1023 height with soundproof cotton piece 1011 to stack damping and noise reduction layer 102 and bonnet inlayer 101 and consolidate regularly, make damping and noise reduction layer 102 and bonnet inlayer 101 can inseparable with, make lug unit 1023 and soundproof cotton piece 1011's noise reduction effect improve, increased bonnet body 1 shock attenuation effect simultaneously.
The working principle is as follows: firstly, the flame retardant layer 2 is arranged below the engine cover body 1, the flame retardant layer 2 can play a good heat insulation role by adopting an aluminum polyester film, meanwhile, part of heat can be reflected out to reduce the heat transmitted to the engine, the middle part of the engine cover body 1 is provided with the shock absorption and noise reduction layer 102, the shock absorption and noise reduction layer 102 is made of a melt-blown high polymer fiber layer and an expanded polytetrafluoroethylene layer, when sound waves are transmitted to the shock absorption and noise reduction layer 102, micropore gaps formed by the internal structure of the shock absorption and noise reduction layer 102 enable the engine cover to consume, absorb and reduce noise, prevent sound transmission, achieve the effects of sound insulation and noise reduction, and prevent noise from polluting the environment, a plurality of buffer cross beams 1021 and buffer longitudinal beams 1022 are respectively and fixedly connected at the upper end and the lower end of the shock absorption and noise reduction layer 102, so that the engine cover outer layer 103 and the engine cover inner layer 101 which are connected at the upper, simultaneously bump unit 1023 and valley unit 1024 that vibration/noise reduction layer 102 below set up can increase the consumption of sound wave energy, reinforcing noise reduction effect gives sound insulation, be connected with a plurality of and valley unit 1024 assorted soundproof cotton pieces 1011 at the up end fixedly of bonnet inlayer 101, soundproof cotton piece 1011 adopts flexible compound soundproof cotton, flexible compound soundproof cotton has very strong soundproof effect, automobile engine starts, can absorb the noise when the engine moves, play fine noise reduction effect.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides an automobile shock attenuation and noise reduction equipment, includes bonnet body (1) and fire-retardant layer (2), fire-retardant layer (2) are located the below of bonnet body (1), its characterized in that: the lateral wall of bonnet body (1) is provided with a plurality of evenly distributed's buckle (3), the middle part of bonnet body (1) is provided with vibration/noise reduction layer (102), the upper and lower both ends face of vibration/noise reduction layer (102) is provided with hood skin (103) and bonnet inlayer (101) respectively, the upper and lower both ends difference fixedly connected with a plurality of buffering crossbeams (1021) and buffering longeron (1022) of vibration/noise reduction layer (102), it is a plurality of buffering crossbeam (1021) and buffering longeron (1022) are crisscross mutually and have set up and have formed a plurality of cell, and is a plurality of valley unit (1024) have all been seted up at the middle part of cell, and are a plurality of buffering crossbeam (1021) and buffering longeron (1022) intersection mutually all are provided with lug unit (1023).
2. The vibration and noise reduction device for the automobile according to claim 1, wherein: the upper end face of the engine cover inner layer (101) is fixedly connected with a plurality of soundproof cotton blocks (1011) matched with the valley units (1024).
3. The vibration and noise reduction device for the automobile according to claim 1, wherein: the one end fixedly connected with shock attenuation resilient means (4) that buckle (3) are close bonnet body (1), the other end fixedly connected with mounting (401) of shock attenuation resilient means (4).
4. The vibration and noise reduction device for the automobile of claim 3, wherein: the fixing piece (401) is fixedly connected with the engine cover body (1).
5. The vibration and noise reduction device for the automobile according to claim 1, wherein: the front end face of the flame-retardant layer (2) penetrates through original mounting holes (104) which are uniformly distributed, and the lower end face of each original mounting hole (104) penetrates through the engine hood body (1) and extends to the outside of the engine hood body (1).
6. The vibration and noise reduction device for the automobile according to claim 1, wherein: the shock absorption and noise reduction layer (102), the engine cover outer layer (103) and the engine cover inner layer (101) are all made of carbon fiber composite materials.
7. The vibration and noise reduction device for the automobile according to claim 2, wherein: the soundproof cotton blocks (1011) have a height twice as high as that of the bump units (1023).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921823437.XU CN211223624U (en) | 2019-10-28 | 2019-10-28 | Automobile shock absorption and noise reduction equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921823437.XU CN211223624U (en) | 2019-10-28 | 2019-10-28 | Automobile shock absorption and noise reduction equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211223624U true CN211223624U (en) | 2020-08-11 |
Family
ID=71936439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921823437.XU Expired - Fee Related CN211223624U (en) | 2019-10-28 | 2019-10-28 | Automobile shock absorption and noise reduction equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211223624U (en) |
-
2019
- 2019-10-28 CN CN201921823437.XU patent/CN211223624U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202686211U (en) | Sound-isolating damping plate for automobiles | |
| CN109483981B (en) | Honeycomb sandwich plate with embedded multi-level structure | |
| CN104044724B (en) | Boats and ships combined vibration-damping pedestal | |
| CN211223624U (en) | Automobile shock absorption and noise reduction equipment | |
| CN104727241A (en) | Integral type multilayer micro-perforated metallic sound barrier | |
| CN201646734U (en) | Wheel rail train floorboard | |
| CN211290506U (en) | Air pipe of making an uproar falls in air conditioner | |
| CN208885090U (en) | A kind of shock insulation and elimination device for high storeyed building construction | |
| CN108952282A (en) | It is a kind of to surrender damping mild steel damper stage by stage | |
| CN201932331U (en) | Ship superstructure vibration damping structure | |
| CN215442493U (en) | Shock attenuation shaped steel structure node component | |
| CN212562283U (en) | Shockproof noise-reducing composite aluminum alloy floor | |
| CN212401377U (en) | Automobile rear longitudinal beam joint, rear longitudinal beam and automobile | |
| CN215851221U (en) | High-speed train carriage side plate | |
| CN203113589U (en) | Vibration reduction fixing device of ceiling light steel keel | |
| CN218091399U (en) | Wall surface shock absorber | |
| CN221298336U (en) | Connecting piece for dry-hanging ALC external wall panel | |
| CN110924546A (en) | Inhale compound core plate structure of pressing from both sides of sound insulation | |
| CN204344776U (en) | Leaf spring and vehicle | |
| CN215444877U (en) | Structure-reinforced automobile rubber shock-absorbing block | |
| CN214147019U (en) | Vibration/noise reduction type natural gas pipeline | |
| CN114961387B (en) | Passive self-adaptive multi-direction wide-frequency-domain vibration isolation and reduction/vibration reduction device | |
| CN218906533U (en) | Multifunctional sound-insulation and heat-insulation composite structure for vehicle | |
| CN220374632U (en) | Front reinforcing structure of vehicle body and vehicle | |
| CN210391131U (en) | Novel multi-functional high-speed train acoustic celotex board |
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: 20200811 Termination date: 20211028 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |