CN210555136U

CN210555136U - A fixed shock pad for new energy automobile

Info

Publication number: CN210555136U
Application number: CN201921680067.9U
Authority: CN
Inventors: 颜泽强; 黄锋; 唐启洪
Original assignee: Chongqing Hengweilin Automotive Parts Co ltd
Current assignee: Chongqing Hengweilin Automotive Parts Co ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-05-19
Anticipated expiration: 2029-10-09

Abstract

The utility model provides a fixed shock pad for a new energy automobile, which consists of a supporting framework (1) and elastic rubber (2); square holes (11) and round holes (12) are uniformly distributed on the supporting framework (1), and an annular boss (13) is arranged on the inner side of the supporting framework (1); the elastic rubber (2) is uniformly coated on the inner side and the outer side of the supporting framework (1), and the elastic rubber (2) is provided with an annular concave angle (23) and uniformly distributed rubber blocks (24). The structure realizes weight reduction to a certain extent, and meets the requirement of light weight of a new energy automobile; meanwhile, the automobile body has enough static supporting rigidity and matching dynamic rigidity to support the automobile body metal plate and the installation position is effectively fixed, the automobile body has various performances of vibration reduction, buffering, noise reduction, rubber deformation prevention and the like, and the comfort, safety and stability of the whole automobile are improved.

Description

A fixed shock pad for new energy automobile

Technical Field

The utility model relates to an automobile parts field, concretely relates to a fixed shock pad for new energy automobile.

Background

The new energy automobile is taken as an outlet of the future automobile market in the energy situation change, and a new breakthrough is needed on the traditional structure and concept. The city is bigger and bigger now, and the road is more and more stifled, and it is more and more difficult to park, and intelligent small-size car will be the next wind gap in market. The product assembly is mechanized, simplified and has higher and higher requirements on the design of automobile parts.

The fixed shock pad is connected with the shock absorber and the vehicle body, and is directly contacted with the metal plate mounting surface of the vehicle body to support the vehicle body. At present, with the high-speed development of new energy automobiles, a plurality of technical problems exist in the fixed shock pad in the prior art, and the application of the fixed shock pad in the new energy automobiles is restricted. Such as: the fixed shock pad among the prior art has the problem that produces the abnormal sound with the automobile body friction, can't provide sufficient rigidity when realizing losing weight and support the problem of automobile body panel beating, can't provide sufficient buffer power and make whole car in order to satisfy the problem of whole car stability and travelling comfort, receive the problem that the deformation that can't resume or crackle probably appear in the support when assaulting greatly.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that prior art exists above, the utility model provides a fixed shock pad for new energy automobile, it is satisfying under the lightweight prerequisite of new energy automobile, can provide sufficient rigidity and support whole car panel beating, realizes the buffering simultaneously, falls the noise, function such as anti-deformation.

The utility model discloses the purpose is realized through following technical scheme:

the utility model provides a fixed shock pad for new energy automobile for connect bumper shock absorber and automobile body, play supporting role, its characterized in that to the automobile body: it is composed of a supporting framework and elastic rubber; the supporting framework is an integrally-formed part, the thicknesses of all parts of the supporting framework are equal, the supporting framework is in an irregular cylindrical shape, and a through hole is formed in the middle of the supporting framework; square holes are uniformly distributed at the upper end of the supporting framework around the axis of the through hole, the square holes provide a rubber buffer space while meeting the requirement of weight reduction, and an annular boss is arranged on the inner side of the lower end of each square hole and used for providing rigidity enough for supporting a vehicle body metal plate; round holes are uniformly distributed at the lower end of the support framework around the axis of the through hole, and the round holes provide a rubber buffer space while meeting the requirement of weight reduction; the elastic rubber uniformly coats the inner side and the outer side of the supporting framework, the rubber on the inner side is thin, the axial installation position can be conveniently and effectively fixed, meanwhile, the buffering effect is provided, and the rubber on the outer side is thick and is the part mainly bearing the acting force; the side, close to the support framework, of the outer rubber is provided with an annular concave angle which is used for bearing the deformation force of the elastic rubber and preventing the elastic rubber from having no buffer space after being impacted so as to generate unrecoverable deformation or cracks; the outer rubber outer ring is around the evenly distributed rubber piece of supporting framework axis, plays cushioning effect, effectively absorbs the sound that the vibration brought simultaneously, prevents the production of abnormal sound.

Through the design of the square holes and the round holes, the weight of the supporting framework is reduced, the requirement of lightweight new energy automobiles is met, a certain deformation buffer space is provided for the elastic rubber in contact with the supporting framework, and the elastic rubber cannot extrude the inside of the rubber due to the fact that no deformation space exists outside the elastic rubber when the elastic rubber is impacted, so that the rubber cannot be restored and even cracks occur inside the elastic rubber, and the service life of the rubber is influenced; similarly, the design of the annular concave angle also provides a deformation buffer space for the elastic rubber while reducing the weight.

Through the design of the rubber block, the contact area between the elastic rubber and the metal plate of the vehicle body is reduced, the buffering force of the elastic rubber is increased, and the vibration and the impact brought by the vehicle body in the running process are absorbed more effectively, so that the utilization rate of the elastic rubber is higher, and the service life of the elastic rubber is longer; meanwhile, the rubber block can effectively isolate and absorb abnormal sound caused by vibration, so that the abnormal sound cannot be transmitted to the supporting framework and the lower automobile parts.

Preferably, the four square holes are arranged, and the angle between two adjacent square holes is 90 degrees; the height of the square hole is 3 +/-0.1 mm.

Preferably, the number of the circular holes is six, and the angle between two adjacent circular holes is 60 degrees; the diameter of the round hole is 3mm plus or minus 0.1 mm.

Preferably, the depth of the annular concave angle relative to the highest point of the elastic rubber is 11 +/-0.3 mm.

Preferably, the number of the rubber blocks is ten, and the angle between two adjacent rubber blocks is 36 degrees; the length of the rubber block is 12 +/-0.1 mm.

The utility model discloses has following technological effect:

compared with the prior art, the utility model discloses realizing subtracting under heavy, the prerequisite that satisfies new energy automobile lightweight requirement, possess sufficient support static rigidity simultaneously and match dynamic stiffness in order to support automobile body panel beating and mounted position effectively fixed. In the driving process of the automobile, the fixed damping pad has good damping and buffering performances, and can effectively buffer the vibration caused by bumpy road surfaces; the production of the abnormal sound can be effectively isolated simultaneously, rubber is prevented from being impacted, the rubber is prevented from being extruded inside, the deformation that can not recover even crackle appears in the rubber, the service life of rubber is improved, each item performance of fixed shock pad is strengthened, and the travelling comfort, the security and the stability of whole car are improved.

Drawings

Fig. 1 is a schematic structural view of a fixed cushion according to an embodiment of the present invention.

Fig. 2 is a top view of a fixed cushion according to an embodiment of the present invention.

3 fig. 3 3 3 is 3 a 3 sectional 3 view 3 of 3 the 3 fixed 3 cushion 3 according 3 to 3 the 3 embodiment 3 of 3 the 3 present 3 invention 3. 3

Fig. 4 is a cross-sectional view of a support frame according to an embodiment of the present invention.

Wherein, 1, supporting the framework; 11. a square hole; 12. a circular hole; 13. an annular boss; 2. an elastic rubber; 21. an inner rubber; 22. an outer rubber; 23. an annular recessed corner; 24. a rubber block.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, not all embodiments.

A fixed shock pad for a new energy automobile is used for connecting a shock absorber with an automobile body and supporting the automobile body, and is characterized in that as shown in figures 1-4: it is composed of a supporting framework 1 and elastic rubber 2. The supporting framework 1 is an integrally formed part, the thicknesses of all parts of the supporting framework are equal, the supporting framework 1 is in an irregular cylindrical shape, and a through hole is formed in the middle of the supporting framework. Square holes 11 are uniformly distributed at the upper end of the supporting framework 1 around the axis of the through hole, the square holes 11 provide a rubber buffer space while the requirement of weight reduction is met, and the angle of four or two adjacent square holes 11 is 90 degrees; the height of the square hole 11 is 3 +/-0.1 mm, preferably 3 mm; the inner side of the lower end of the square hole 11 is provided with an annular boss 13 for providing rigidity enough for supporting a vehicle body sheet metal. The circular holes 12 are uniformly distributed at the lower end of the support framework 1 around the axis of the through hole, and the circular holes 12 provide a rubber buffer space while meeting the requirement of weight reduction; the number of the circular holes 12 is six, and the angle of two adjacent circular holes 12 is 60 degrees; the diameter of the circular hole 12 is 3mm plus or minus 0.1mm, preferably 3 mm.

The elastic rubber 2 uniformly coats the inner side and the outer side of the supporting framework 1, the inner side rubber 21 is thin, the axial installation position can be effectively fixed conveniently, and meanwhile, a buffering effect is provided, and the outer side rubber 22 is thick and is the part mainly bearing acting force; an annular concave angle 23 is arranged on the side, close to the support framework 1, of the outer rubber 22 and is used for bearing the deformation force of the elastic rubber 2 and preventing the elastic rubber 2 from being subjected to unrecoverable deformation or cracks due to no buffer space after being impacted; the depth of the annular recessed angle 23 relative to the highest point of the elastic rubber 2 is 11mm plus or minus 0.3mm, and is preferably 11 mm. The outer ring of the outer rubber 22 is uniformly distributed with rubber blocks 24 around the central axis of the support framework 1, so that the buffer effect is achieved, the sound caused by vibration is effectively absorbed, and abnormal sound is prevented; the number of the rubber blocks 24 is ten, and the angle between every two adjacent rubber blocks 24 is 36 degrees; the rubber block 24 has a length of 12mm plus or minus 0.1mm, preferably 12 mm.

The fixed shock pad structure realizes weight reduction to a certain extent, and meets the requirement of light weight of a new energy automobile; meanwhile, the automobile body has enough static supporting rigidity and matching dynamic rigidity to support the automobile body metal plate and the installation position is effectively fixed, the automobile body has various performances of vibration reduction, buffering, noise reduction, rubber deformation prevention and the like, and the comfort, safety and stability of the whole automobile are improved.

Claims

1. The utility model provides a fixed shock pad for new energy automobile for connect bumper shock absorber and automobile body, its characterized in that: the rubber-plastic composite material consists of a supporting framework (1) and elastic rubber (2); the supporting framework (1) is an integrally-formed part, the thicknesses of all parts of the supporting framework are equal, the supporting framework (1) is in an irregular cylindrical shape, and a through hole is formed in the middle of the supporting framework; square holes (11) are uniformly distributed at the upper end of the supporting framework (1) around the axis of the through hole, and an annular boss (13) is arranged on the inner side of the lower end of each square hole (11); round holes (12) are uniformly distributed at the lower end of the support framework (1) around the axis of the through hole; the elastic rubber (2) uniformly coats the inner side and the outer side of the supporting framework (1), the inner side rubber (21) is thin, and the outer side rubber (22) is thick; an annular concave angle (23) is formed at the side, close to the support framework (1), of the outer rubber (22); and rubber blocks (24) are uniformly distributed on the outer ring of the outer side rubber (22) around the central axis of the support framework (1).

2. The fixed shock pad for the new energy automobile according to claim 1, wherein: the number of the square holes (11) is four, and the angle of two adjacent square holes (11) is 90 degrees; the height of the square hole (11) is 3 +/-0.1 mm.

3. The fixed shock pad for the new energy automobile according to claim 2, wherein: the number of the circular holes (12) is six, and the angle of two adjacent circular holes (12) is 60 degrees; the diameter of the round hole (12) is 3 +/-0.1 mm.

4. The fixed shock pad for the new energy automobile according to claim 3, wherein: the depth of the annular concave angle (23) relative to the highest point of the elastic rubber (2) is 11 +/-0.3 mm.

5. The fixed shock pad for the new energy automobile according to claim 4, wherein: the number of the rubber blocks (24) is ten, and the angle between every two adjacent rubber blocks (24) is 36 degrees; the length of the rubber block (24) is 12 +/-0.1 mm.