CN217892462U - New energy automobile electric compressor shock absorber support - Google Patents
New energy automobile electric compressor shock absorber support Download PDFInfo
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- CN217892462U CN217892462U CN202221900980.7U CN202221900980U CN217892462U CN 217892462 U CN217892462 U CN 217892462U CN 202221900980 U CN202221900980 U CN 202221900980U CN 217892462 U CN217892462 U CN 217892462U
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- electric compressor
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- energy automobile
- support
- ring carrier
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Abstract
The utility model provides a new energy automobile electric compressor shock absorber support, belongs to new energy automobile technical field, this new energy automobile electric compressor shock absorber support, include lower ring carrier and last ring carrier that link to each other through a plurality of buffering coupling assembling, install electric compressor in the installation space that lower ring carrier and last ring carrier formed, go up ring carrier circumference and link to each other with the automobile body through a plurality of buffering coupling assembling, the beneficial effects of the utility model are that, the utility model has the advantages of simple structure, light in weight has realized the second grade shock attenuation to electric compressor, and the shock attenuation is effectual, does not occupy the installation space in engine compartment moreover, and mounting structure is compacter.
Description
Technical Field
The utility model relates to a new energy automobile technical field especially relates to a new energy automobile electric compressor shock absorber support.
Background
With the development of new energy automobile technology, market competition is intensified, and the requirement of customers on NVH level in the passenger compartment is higher and higher. For a pure electric vehicle (BEV), an air conditioning system heat pump and a battery super quick charging function are added, so that the load of the whole vehicle air conditioning system is greatly increased, the highest use rotating speed of the electric compressor is increased, and the severe vibration and noise performance of the electric compressor is brought. In addition, during the operation of the air conditioning system of the whole vehicle, the engine background noise is lacked, the NVH problem of the electric compressor becomes more prominent, and the NVH problem becomes a main problem complained by customers, so the vibration damping structure of the electric compressor should be particularly concerned in the design.
The arrangement of the electric compressor of a pure electric vehicle (BEV) generally has two modes, one mode is that the electric compressor is connected to a front motor through a rigid support, and the shock absorption of the electric compressor is realized through the suspension of a shared motor; the other type is that the electric compressor is connected with a front cabin chassis or a vehicle body part through a single damping bracket, and the damping of the electric compressor is realized through a rubber bushing carried by the damping bracket. The existing electric compressor is poor in damping effect, the damping support is unreasonable in structural design and large in weight, the weight of the whole vehicle is increased, and the damping support occupies a large space, so that the installation space of an engine compartment is limited.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a new energy automobile electric compressor shock absorber support, its simple structure, light in weight has realized the second grade shock attenuation to electric compressor, and the shock attenuation is effectual, does not occupy the installation space in engine compartment moreover, and mounting structure is compacter.
In order to achieve the above object, the present invention provides a technical solution for solving the technical problem: new energy automobile electric compressor shock absorber support includes lower ring carrier and last ring carrier that links to each other through a plurality of buffering coupling assembling, install electric compressor in the installation space that lower ring carrier and last ring carrier formed, it is through a plurality of to go up ring carrier circumference buffering coupling assembling links to each other with the automobile body.
The lower annular support is recessed in the middle of the lower annular support to form an installation position for installing the electric compressor, the installation position comprises multiple groups of threaded holes which are oppositely arranged, and the threaded holes are connected with the electric compressor through installation bolts.
The lower annular support and the upper annular support are provided with a plurality of mounting holes along the peripheral direction of the lower annular support and the upper annular support, and each mounting hole is connected with the buffering connecting assembly in a press-fitting mode.
The buffer connecting assembly comprises a bushing assembly which is pressed in the mounting hole, two ends of the bushing assembly are respectively connected with a gasket in a pressing mode, and the gaskets are connected with the outer edge of the mounting hole in a contact mode.
The bushing assembly comprises a rubber bushing, an outer sleeve is installed on the outer side of the rubber bushing in a vulcanization mode, an inner sleeve is installed on the inner side of the rubber bushing in a vulcanization mode, the outer sleeve is connected with the installation Kong Yazhuang, and the inner sleeve is connected with the gasket in a press-fitting mode.
The outer sleeve is formed by processing nylon or aluminum alloy.
The inner sleeve is arranged as a steel sleeve, the upper annular support is provided with a threaded blind hole opposite to the corresponding buffering connecting assembly along the circumferential direction, an internal thread is arranged on the inner wall of the inner sleeve, and the connecting bolt penetrates through the inner sleeve and then is connected with the corresponding threaded blind hole.
The gasket comprises a gasket body, one side of the gasket body is connected with the end face of the bushing assembly in a contact mode, and a vulcanization layer is arranged on the other side of the gasket body.
The upper annular support and the lower annular support are both integrally formed by aluminum alloy in a die-casting mode.
The distance between a plane defined by the central points of the plurality of buffering connecting assemblies circumferentially arranged on the lower annular support and the mass center of the electric compressor is 0-10 mm.
The beneficial effects of the utility model are that:
1. the utility model discloses a plurality of buffering coupling assembling link to each other lower ring carrier and last ring carrier, make lower ring carrier and go up the interior installation electric compressor of space that the ring carrier encloses, do not occupy the installation space in engine compartment, it is compacter to make mounting structure, the vibration that electric compressor produced loops through lower ring carrier, it transmits to the automobile body after the secondary shock attenuation to go up ring carrier, effective vibration isolation has been realized, and the resonant risk of system has been avoided, and ring carrier's setting not only plays absorbing effect and light in weight, lightweight effect has been reached.
2. The utility model discloses a set up a plurality of mounting holes at ring carrier and last ring carrier circumference, install the bush assembly of vulcanizing formation at the mounting hole pressure equipment, the both ends of bush assembly are pressed from both sides respectively and are equipped with the gasket, and the gasket contacts with the mounting hole outer fringe, has played spacing effect from top to bottom to the bush assembly, and the outside of gasket sets up the one deck vulcanize layer in addition, has prevented the gasket and has collided with the rigidity of part on every side, has guaranteed whole car developments free from extraneous sound.
Drawings
The contents of the various figures of the specification and the labels in the figures are briefly described as follows:
FIG. 1 is a schematic view of the assembly of the present invention;
FIG. 2 is a schematic structural view of the installation of the lower and upper annular brackets of the present invention;
FIG. 3 is a schematic structural view of the lower annular stent of FIG. 2;
FIG. 4 is a schematic view of the upper annular support of FIG. 2;
fig. 5 is a cross-sectional view of the bushing assembly of the present invention;
the labels in the above figures are: 1. the mounting structure comprises a lower annular support, 11 mounting positions, 2 upper annular support, 3 buffer connecting assemblies, 31 bushing assemblies, 311 rubber bushings, 312 outer bushings, 313 inner bushings, 32 gaskets, 321 gasket bodies, 322 vulcanized layers, 4 electric compressors and 5 mounting bolts.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solution in the embodiments, and the following embodiments are used to illustrate the present invention, but do not limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses specific embodiment does: as shown in fig. 1-4, a new energy automobile electric compressor shock absorber support, include lower ring carrier 1 and upper ring carrier 2 that link to each other through a plurality of buffering coupling assembling 3, install electric compressor 4 in the installation space that lower ring carrier 1 and upper ring carrier 2 formed, do not occupy the installation space in engine compartment, it is compacter to make mounting structure, 2 circumference of upper ring carrier link to each other with the automobile body through a plurality of buffering coupling assembling 3, the vibration that electric compressor 4 produced loops through lower ring carrier 1, on ring carrier 2 transmit to the automobile body after carrying out the secondary shock attenuation, effective vibration isolation has been realized, and the risk of system resonance has been avoided, and the setting of two ring carriers not only plays absorbing effect and light in weight, lightweight effect has been reached.
Specifically, the concave setting in the middle part of lower ring carrier 1 wherein forms the installation position 11 that is used for installing electric compressor 4, and this installation position 11 is including the relative multiunit screw hole that sets up, and the screw hole passes through mounting bolt 5 and links to each other with electric compressor 4, and the profile of unevenness of lower ring carrier 1 has further played the effect of elastic shock attenuation.
Specifically, lower ring carrier 1 wherein and last ring carrier 2 all are provided with a plurality of mounting holes along its periphery direction, and the mounting hole is provided with three at least, and every mounting hole links to each other with 3 pressure equipment of buffering coupling assembling, has avoided lower ring carrier 1 and last ring carrier 2 to produce the rigidity collision, has avoided ring carrier 2 and automobile body to produce the rigidity collision simultaneously, has avoided the condition that electric compressor 4 work produced vibrations abnormal sound. The distance between the plane that a plurality of buffering coupling assembling 3's that 1 circumference of lower ring bracket set up central point encloses and the barycenter of electric compressor 4 is 0 ~ 10mm, with a plurality of buffering coupling assembling 3 rational distribution in the periphery of electric compressor 4 barycenter, has guaranteed better shock attenuation effect.
The buffering connecting component 3 comprises a bushing assembly 31 which is press-mounted in the mounting hole, the bushing assembly 31 plays a role in buffering and damping, two ends of the bushing assembly 31 are respectively press-mounted and connected with a gasket 32, the gaskets 32 are in contact connection with the outer edge of the mounting hole, a limiting effect on the bushing assembly 31 is achieved, and the problem that the bushing assembly 31 is displaced is avoided.
As shown in fig. 5, the bushing assembly 31 includes a rubber bushing 311, an outer sleeve 312 is vulcanized on the outer side of the rubber bushing 311, the outer sleeve 312 is formed by processing nylon or aluminum alloy, an inner sleeve 313 is vulcanized on the inner side of the rubber bushing 311, the inner sleeve 313 is set as a steel sleeve, the outer sleeve 312 is connected with a mounting Kong Yazhuang, the inner sleeve 313 is connected with a gasket 32 in a press-fitting manner, when the vibration of the electric compressor 4 is transmitted to the bushing assembly 31 from the lower annular bracket 1, the vibration is transmitted to the rubber bushing 311 from the outer sleeve 312 for further damping, and then transmitted to the outer sleeve 312, and then transmitted to the upper annular bracket 2 and the bushing assembly 31 thereon through a connecting bolt, and then transmitted to the vehicle body from the bushing assembly 31, so that the damping effect is better.
Wherein, the upper annular support 2 is provided with a thread blind hole corresponding to the corresponding buffer connecting component 3 along the circumferential direction, the inner wall of the inner sleeve 313 is provided with an internal thread, and the connecting bolt passes through the inner sleeve 313 and then is connected with the corresponding thread blind hole, thereby realizing the firm connection between the lower annular support 1 and the upper annular support 2.
In addition, the upper annular support 2 and the lower annular support 1 are both integrally formed by aluminum alloy materials in a die-casting mode, so that the strength and modal requirements are met, and the weight of the damping support is reduced; go up 2 upper ends circumference of annular support and still be provided with the connection journal stirrup that links to each other with the automobile body, make and be connected more firmly stable with the automobile body.
According to theoretical calculation, in order to realize the 30dB + shock insulation rate of the novel motor-driven compressor 4 shock absorption support assembly, the dynamic stiffness of the upper annular support 2 needs to be 61.3 times of the dynamic stiffness of the bushing assembly 31 on the lower annular support 1. Generally, the dynamic stiffness of the upper ring support 2 can be more than 2000N/mm, so the dynamic stiffness of the bush assembly 31 on the lower ring support 1 needs to be less than 32.6N/mm. The dynamic stiffness of the bushing assembly 31 on the upper annular support 2 is not required to be forced, and proper dynamic stiffness is selected through system calculation to achieve better decoupling rate and higher assembly mode. Through the reasonable arrangement of the position of the lining assembly 31 and the reasonable adjustment and calibration of the rigidity of the lining assembly 31, the damping support can realize the damping rate of the full-band 30dB + of the assembly and the rigid body mode of the assembly smaller than 45Hz, and can easily realize effective vibration isolation and avoid the risk of system resonance when operating at each rotating speed of the electric compressor 4.
To sum up, the utility model discloses simple structure, light in weight has realized the second grade shock attenuation to electric compressor, and the shock attenuation is effectual, does not occupy the installation space in engine compartment moreover, and mounting structure is compacter.
The foregoing is merely illustrative of some of the principles of the present invention and the description is not intended to limit the invention to the specific constructions and applications shown, so that all modifications and equivalents that may be utilized are within the scope of the invention.
Claims (10)
1. The utility model provides a new energy automobile electric compressor shock absorber support, its characterized in that includes lower ring carrier and last ring carrier that link to each other through a plurality of buffering coupling assembling, install electric compressor in the installation space that lower ring carrier and last ring carrier formed, it is through a plurality of to go up ring carrier circumference buffering coupling assembling links to each other with the automobile body.
2. The new energy automobile electric compressor shock absorber support of claim 1, characterized in that: the lower annular support middle part is recessed to be provided with the installation position that is used for installing electric compressor, the installation position is including the relative multiunit screw hole that sets up, the screw hole pass through mounting bolt with electric compressor links to each other.
3. The new energy automobile electric compressor shock attenuation support of claim 1 or 2, characterized in that: the lower annular support and the upper annular support are provided with a plurality of mounting holes along the peripheral direction of the lower annular support and the upper annular support, and each mounting hole is connected with the buffering connecting assembly in a press-fitting mode.
4. The new energy automobile electric compressor shock attenuation support of claim 3, characterized in that: the buffer connecting assembly comprises a bushing assembly which is pressed in the mounting hole, two ends of the bushing assembly are respectively connected with a gasket in a pressing mode, and the gaskets are connected with the outer edge of the mounting hole in a contact mode.
5. The new energy automobile electric compressor shock attenuation support of claim 4, characterized in that: the bushing assembly comprises a rubber bushing, an outer sleeve is mounted on the outer side of the rubber bushing in a vulcanization mode, an inner sleeve is mounted on the inner side of the rubber bushing in a vulcanization mode, the outer sleeve is connected with the installation Kong Yazhuang, and the inner sleeve is connected with the gasket in a press-fitting mode.
6. The new energy automobile electric compressor shock attenuation support of claim 5, characterized in that: the outer sleeve is formed by processing nylon or aluminum alloy.
7. The new energy automobile electric compressor shock attenuation support of claim 5, characterized in that: the inner sleeve is arranged as a steel sleeve, the upper annular support is provided with a threaded blind hole opposite to the corresponding buffering connecting assembly along the circumferential direction, an internal thread is arranged on the inner wall of the inner sleeve, and the connecting bolt penetrates through the inner sleeve and then is connected with the corresponding threaded blind hole.
8. The new energy automobile electric compressor shock attenuation support of claim 4, characterized in that: the gasket comprises a gasket body, one side of the gasket body is connected with the end face of the bushing assembly in a contact mode, and a vulcanization layer is arranged on the other side of the gasket body.
9. The new energy automobile electric compressor shock attenuation support of claim 1, characterized in that: the upper annular support and the lower annular support are both integrally formed by aluminum alloy in a die-casting mode.
10. The new energy automobile electric compressor shock attenuation support of claim 1, characterized in that: the distance between a plane defined by the central points of the plurality of buffering connecting assemblies circumferentially arranged on the lower annular support and the mass center of the electric compressor is 0-10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221900980.7U CN217892462U (en) | 2022-07-22 | 2022-07-22 | New energy automobile electric compressor shock absorber support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221900980.7U CN217892462U (en) | 2022-07-22 | 2022-07-22 | New energy automobile electric compressor shock absorber support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217892462U true CN217892462U (en) | 2022-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221900980.7U Active CN217892462U (en) | 2022-07-22 | 2022-07-22 | New energy automobile electric compressor shock absorber support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217892462U (en) |
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2022
- 2022-07-22 CN CN202221900980.7U patent/CN217892462U/en active Active
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