CN217917520U - Pure electric vehicles heat pump supporting structure and vehicle - Google Patents
Pure electric vehicles heat pump supporting structure and vehicle Download PDFInfo
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- CN217917520U CN217917520U CN202220731041.8U CN202220731041U CN217917520U CN 217917520 U CN217917520 U CN 217917520U CN 202220731041 U CN202220731041 U CN 202220731041U CN 217917520 U CN217917520 U CN 217917520U
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Abstract
A pure electric vehicles heat pump supporting structure includes: the rubber bushing assembly comprises a first plastic bracket, a second plastic bracket and a rubber bushing assembly; the rubber bushing assembly is fixed in the second mounting hole, and the first plastic support and the second plastic support penetrate through the first mounting hole and the rubber bushing assembly through connecting parts and are fixedly connected. Compared with the prior art, this application provides a pure electric vehicles heat pump supporting structure adopts plastic support, can satisfy the performance requirement when realizing the lightweight, and need not carry out metal anticorrosive treatment. The rubber locating piece is integrated to the plastic support, promotes the assembly precision, through plastic support one-level vibration isolation, improves the vibration isolation effect of rubber cushion, can promote the vehicle and take the travelling comfort.
Description
Technical Field
The application relates to the technical field of automobile part production and manufacturing, in particular to a pure electric vehicle heat pump support structure.
Background
The automobile is an important transportation tool for traveling of modern people, with the development of scientific technology and the improvement of living standard of people, consumers pay more attention to riding comfort, and a pure electric automobile with better comfort becomes the mainstream direction of future development of the automobile. However, the endurance mileage in winter is one of the biggest pain points of the electric vehicle, and particularly, the charge and discharge capacity of the battery is rapidly reduced in a low-temperature environment, so that the endurance is greatly shrunk, and if the battery is heated to be maintained in an optimal working temperature range, the endurance of the vehicle can be improved. However, under the low temperature condition, the driver also has the requirement of air-conditioning heating, and the battery is heated and the air-conditioning heating is driven, so that the cruising ability is further reduced.
The heat pump air conditioner utilizes the thermodynamic principles of evaporation heat absorption and liquefaction heat release, utilizes a low-boiling-point refrigerant to bring heat in the environment into the vehicle, and has the performance of using the heat pump air conditioner, which is known as one of the best schemes for coping with the winter endurance attenuation and improving the comprehensive performance of the electric vehicle.
The heat pump air conditioner support is used as a key component for connecting the air conditioner heat pump system of the pure electric vehicle and the vehicle body, plays an important role in supporting and positioning the air conditioner heat pump system and isolating vibration transmission, particularly bears the impact of the vehicle under extreme working conditions, and has strong dynamic rigidity so as to ensure the NVH (noise, vibration and harshness) characteristic of the heat pump air conditioner.
At present, metal plate stamping welding, cast steel or aluminum alloy supports are mostly adopted for the supports of the air-conditioning heat pump system of the automobile, and the weight of the air-conditioning heat pump system is generally larger due to higher density of metal materials, so that the light weight of the whole automobile is not easy to realize; the surface of a metal material adopted by the traditional air-conditioning heat pump system needs to be subjected to anti-corrosion treatment, so that the cost of the air-conditioning heat pump system is higher; in addition, the metal material has high thermal conductivity and poor acoustic damping performance, thereby affecting the comfort of vehicle riding.
SUMMERY OF THE UTILITY MODEL
The present application provides a pure electric vehicles heat pump supporting structure for overcoming the above-mentioned defect among the prior art, include: the rubber bushing assembly comprises a first plastic bracket, a second plastic bracket and a rubber bushing assembly;
the first plastic support is provided with a first mounting hole, the second plastic support is provided with a second mounting hole, the rubber bushing assembly is fixed in the second mounting hole, and the first plastic support and the second plastic support are fixedly connected through the first mounting hole and the rubber bushing assembly through the connecting part.
Optionally, the first plastic carrier comprises a first stiffener plate of a thickness criss-cross configuration.
Optionally, a plurality of radial strip-shaped reinforcing ribs are arranged around the first mounting hole.
Alternatively, the number of the radial strip-shaped reinforcing ribs is 6.
Optionally, the rubber bushing assembly comprises: the center shaft sleeve, the rubber cushion, the rigid metal bushing and the rubber cushion limiting cover;
the central shaft sleeve, the rubber cushion and the rigid metal bushing are arranged from inside to outside along the radial direction, and the rubber cushion limiting cover is arranged below the rigid metal bushing.
Optionally, the number of the rubber cushions is 2, and the rubber bushing assembly further includes: 4 cross-section struts and 2 cross-section limiting blocks;
wherein, 4 cross section pillars are inlayed the space between the cover with central axle sleeve and rigid metal and are averagely divided into 4 accommodation chamber on the cross section direction, and 2 rubber cushion set up respectively in 2 relative accommodation chamber, and 2 cross section stoppers set up respectively in 2 other accommodation chamber.
Optionally, a boss is arranged on the rubber cushion limit cover.
Optionally, the second plastic carrier comprises a second stiffener plate of an equal thickness crisscross structure.
Optionally, the first plastic support is integrally injection-molded, and the second plastic support is integrally molded.
Optionally, the first plastic bracket is fixedly connected with the vehicle body through a third mounting hole on the first plastic bracket; and the second plastic support is fixedly connected with the vehicle body through a fourth mounting hole in the second plastic support.
Optionally, the number of the first mounting holes is 4, the number of the second mounting holes is 4, and the number of the rubber bushing assemblies is 4.
According to another aspect of the application, a vehicle is further provided, and any one of the pure electric automobile heat pump support structures is used.
Compared with the prior art, this application provides a pure electric vehicles heat pump supporting structure adopts plastic support, can satisfy the performance requirement when realizing the lightweight, and need not carry out metal anticorrosive treatment. The rubber locating piece is integrated to the plastic support, promotes the assembly precision, through plastic support one-level vibration isolation, improves the vibration isolation effect of rubber cushion, can promote the vehicle and take the travelling comfort.
Drawings
The drawings are only exemplary of the invention and are not intended to limit the scope of the invention within the accompanying drawings.
FIG. 1 is a schematic view of an embodiment of the present application showing an overall structure of a plastic bracket;
FIG. 2 is a perspective view of a first plastic bracket according to an embodiment of the present disclosure;
FIG. 3 is a bottom view of a first plastic carrier in accordance with an embodiment of the present application;
FIG. 4 is a schematic view of a rubber assembly according to an embodiment of the present disclosure;
FIG. 5 is a schematic cross-sectional view of a rubber assembly according to an embodiment of the present application;
FIG. 6 is a schematic view of a rubber cushion caging cover according to an embodiment of the present application;
FIG. 7 is a perspective view of a second plastic carrier according to an embodiment of the present application;
fig. 8 is a bottom view of a second plastic carrier in an embodiment of the present application.
Description of the reference numerals
1. A first plastic support; 2. a metal liner tube; 3. a second plastic support; 4. a rubber bushing assembly; 5. a rubber bushing assembly; 6. a rubber bushing assembly; 7. a rubber bushing assembly; 10. a first reinforcing rib plate; 11. a first circular mounting hole; 12. a first special-shaped positioning mounting hole; 13. a first circular mounting hole; 14. a first circular mounting hole; 15. a first mounting hole; 16. a first mounting hole; 17. a first mounting hole; 18. a first mounting hole; 19. radial strip-shaped reinforcing ribs; 41. a central shaft sleeve of the rubber cushion; 42. a rubber cushion; 43. a rigid metal bushing of a rubber cushion; 44. a rubber cushion limit cover; 45. a rubber cushion strut; 46. a rubber cushion limiting block; 47. the anti-rotation boss of the rubber cushion; 48. the anti-rotation boss of the rubber cushion; 31. a second plastic support circular mounting hole; 32. A second plastic support is provided with a special-shaped positioning mounting hole; 33. a second plastic support circular mounting hole; 34. a second plastic support circular mounting hole;
Detailed Description
Example 1
As shown in fig. 1 to 8, the present embodiment provides a pure electric vehicle heat pump support structure, including: the rubber bushing assembly comprises a first plastic support, a second plastic support and a rubber bushing assembly.
The first plastic support is provided with first mounting holes 15, 16, 17 and 18, the second plastic support is provided with second mounting holes, the rubber bushing assemblies 4, 5, 6 and 7 are fixed in the second mounting holes, and the first plastic support and the second plastic support are fixedly connected through connecting parts penetrating through the first mounting holes 15, 16, 17 and 18 and the rubber bushing assemblies 4, 5, 6 and 7. In the embodiment, a bolt connection is used, but not limited thereto. In this embodiment, the number of the first mounting holes is 4, the number of the second mounting holes is 4, and the number of the rubber bushing assemblies is 4. However, it is not limited to this document, and those skilled in the art can adjust the number of the first mounting holes, the second mounting holes and the rubber bushing assemblies and the corresponding relationship therebetween according to actual requirements, and all of them are within the scope of protection claimed by the present application.
The heat pump and the heat pump bracket are connected through 4 rubber bushing assembly bolts. The first plastic support is made of high-strength polyamide material through integral injection molding. The first plastic support is connected with the vehicle body through a first round mounting hole 11, a first special-shaped positioning mounting hole 12, a first round mounting hole 13 and a first round mounting hole 14 and is fixedly mounted through bolts. And the first plastic support and the vehicle body are integrally formed by injection molding through arranging the first circular mounting hole 11, the first special-shaped positioning mounting hole 12, the first circular mounting hole 13 and the first circular mounting hole 14 through the metal liner tube 2, so that the pressure-disengaging force of the four mounting holes in the first plastic support can be ensured to reach the level of the metal support and the aluminum support, the support can be prevented from being crushed when the first plastic support is assembled, and the strength of the bolt mounting hole can be effectively ensured. First mounting hole 15, first mounting hole 16, first mounting hole 17 and first mounting hole 18 through arranging metal bushing pipe 2 and first plastic support injection moulding, ensure that the pressure of four mounting holes in it takes off the level that power reaches metal support and aluminium support, can prevent to crush the support when assembling first plastic support simultaneously, effectively ensure bolt mounting hole intensity. The rubber bushing assembly 4, the rubber bushing assembly 7, the rubber bushing assembly 5 and the rubber bushing assembly 6 are formed on the second plastic support through vulcanization and injection molding.
The utility model relates to a pure electric vehicles plastic support structure can make the weight of heat pump system support reduce more than 30% compared with the traditional metal material of steel construction, has promoted the level of heat pump system lightweight apparently; the heat pump support machining process can be simplified, the machining efficiency is improved, and meanwhile the mechanical strength of the heat pump support can be guaranteed.
Example 2
In this embodiment, in order to further improve the structure of the bracket, the first plastic bracket includes a first rib plate having a thickness cross structure. The second plastic support comprises a second reinforcing rib plate with an equal-thickness cross structure. A plurality of radial strip-shaped reinforcing ribs are arranged around the first mounting hole, and the number of the radial strip-shaped reinforcing ribs in the embodiment is 6 (not limited). The first plastic support is integrally formed by injection molding, and the second plastic support is integrally formed. The first reinforcing rib plate 10 improves the strength of the plastic support through a 4 mm-thick cross structure, and reduces the weight of the support to the maximum extent. The first mounting hole 15, the first mounting hole 16, the first mounting hole 17 and the first mounting hole 18 are arranged around the radial strip-shaped reinforcing ribs 19, 6 reinforcing ribs are arranged in each mounting hole, and the width of each reinforcing rib is 4mm. The second reinforcing rib plate improves the strength of the plastic support through a 4 mm-thick cross structure, and the weight of the support is reduced to the maximum extent. The round mounting hole 31 of the second plastic support, the special-shaped positioning mounting hole 32 of the second plastic support, the round mounting hole 33 of the second plastic support and the round mounting hole 34 of the second plastic support are provided with radial strip-shaped reinforcing ribs 35 around, 6 reinforcing ribs are arranged in each mounting hole, and the width of each reinforcing rib is 4mm.
Example 3
In this embodiment, the rubber bushing assembly includes: the central shaft sleeve, the rubber cushion, the rigid metal bushing and the rubber cushion limiting cover are integrally molded by injection; the central shaft sleeve, the rubber cushion and the rigid metal bushing are arranged from inside to outside along the radial direction, and the rubber cushion limiting cover is arranged below the rigid metal bushing. The quantity of rubber cushion is 2, and the rubber bush assembly still includes: 4 cross-section struts and 2 cross-section limiting blocks; wherein, 4 cross section pillars are inlayed the space between the cover with central axle sleeve and rigid metal and are averagely divided into 4 accommodation chamber on the cross section direction, and 2 rubber cushion set up respectively in 2 relative accommodation chamber, and 2 cross section stoppers set up respectively in 2 other accommodation chamber. The rubber cushion limiting cover is provided with a rubber cushion anti-rotation boss. The central bushing 41 and the rubber cushion limit cover 44 are circumferentially positioned and prevented from moving by the rubber cushion anti-rotation boss 48. The rubber cushion 42 ensures the rigidity balance of each direction of the rubber cushion by the cross section of 4 rubber cushion support columns, and the cross section of 2 rubber cushion limiting blocks limits the maximum displacement of radial movement.
Example 4
In order to facilitate connection with an automobile, in the embodiment, the first plastic bracket is fixedly connected with the automobile body through a first circular mounting hole 11, a first special-shaped positioning mounting hole 12, a first circular mounting hole 13 and a first circular mounting hole 14 on the first plastic bracket; the second plastic support is fixedly connected with the vehicle body through second plastic support circular mounting holes 31, 33 and 34 on the second plastic support. Circular mounting hole 31 of second plastic support, second plastic support dysmorphism location mounting hole 32, the circular mounting hole 33 of second plastic support, 34 through arranging metal liner pipe 2 and second plastic support injection moulding, ensure that the pressure of four mounting holes in it takes off the power and reaches the level of metal support and aluminum support, can prevent to crush the support when assembling second plastic support simultaneously, effectively ensure bolt mounting hole intensity.
The second plastic bracket is formed by integrally injection molding a high-strength polyamide material, is connected with the vehicle body through a second plastic bracket circular mounting hole 31, a second plastic special-shaped positioning mounting hole 32 and second plastic bracket circular mounting holes 33 and 34, and is mounted and fixed by using bolts;
the application also provides a vehicle, and the pure electric automobile heat pump support structure using any one of the above.
The present invention has been described in detail with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements of the method concept and the technical solution of the present invention can be made without modification, or the present invention can be directly applied to other occasions without modification, and is within the protection scope of the present invention.
Compared with the prior art, the pure electric vehicles heat pump supporting structure that this application provided has following beneficial effect:
1. the weight of the heat pump system bracket can be reduced by more than 30 percent compared with the weight of the traditional metal material with a steel structure, and the light weight level of the heat pump system is obviously improved.
2. The mechanical strength of the heat pump bracket can be ensured while the processing efficiency is improved.
3. The defects that a traditional metal heat pump material is easy to corrode and has creep property are overcome, and the vibration isolation effect of the rubber cushion is improved through primary vibration isolation of the plastic support, so that the driving comfort of a vehicle is improved.
4. Easy molding processing, low manufacturing cost, low price, easy control of production process and simple assembly.
5. The heat pump support structure has strong universality, and the heat pump support structure can be reasonably defined according to the specification and the size of a heat pump system of a pure electric vehicle.
Claims (12)
1. The utility model provides a pure electric vehicles heat pump supporting structure which characterized in that includes: the first plastic bracket, the second plastic bracket and the rubber bushing assembly;
the rubber bushing assembly is fixed in the second mounting hole, and the first plastic support and the second plastic support penetrate through the first mounting hole and the rubber bushing assembly through connecting parts and are fixedly connected.
2. The pure electric vehicle heat pump bracket structure according to claim 1, wherein the first plastic bracket comprises a first rib plate with a thickness cross structure.
3. The bracket structure of the heat pump of the pure electric vehicle as claimed in claim 1, wherein a plurality of radial strip-shaped reinforcing ribs are arranged around the first mounting hole.
4. The pure electric vehicle heat pump support structure according to claim 3, wherein the number of the radial strip-shaped reinforcing ribs is 6.
5. The mount structure of claim 1, wherein the rubber bushing assembly comprises: the device comprises a central shaft sleeve, a rubber cushion, a rigid metal bushing and a rubber cushion limiting cover;
the central shaft sleeve, the rubber cushion and the rigid metal bushing are arranged from inside to outside along the radial direction, and the rubber cushion limiting cover is arranged below the rigid metal bushing.
6. The frame structure of claim 5, wherein the number of the rubber cushions is 2, and the rubber bushing assembly further comprises: 4 cross-section struts and 2 cross-section limiting blocks;
wherein, 4 individual section pillars will center shaft sleeve with space between the cover is inlayed to the rigidity metal averagely divide into 4 holding chambers on cross section direction, 2 individual rubber cushion sets up respectively in 2 relatively in the holding chamber, 2 individual section stoppers set up respectively in another 2 in the holding chamber.
7. The support structure for the heat pump of the pure electric vehicle as claimed in claim 5, wherein a boss is provided on the rubber cushion limit cover.
8. The pure electric vehicle heat pump bracket structure according to claim 1, wherein the second plastic bracket comprises a second rib plate with an equal-thickness crisscross structure.
9. The pure electric vehicle heat pump support structure according to claim 1, wherein the first plastic support is formed by injection molding and the second plastic support is formed by injection molding.
10. The support structure of the pure electric vehicle heat pump is characterized in that the first plastic support is fixedly connected with a vehicle body through a third mounting hole in the first plastic support, and the second plastic support is fixedly connected with the vehicle body through a fourth mounting hole in the second plastic support.
11. The bracket structure of the pure electric vehicle heat pump is characterized in that the number of the first mounting holes is 4, the number of the second mounting holes is 4, and the number of the rubber bushing assemblies is 4.
12. A vehicle, characterized in that the pure electric vehicle heat pump support structure of any one of claims 1 to 11 is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220731041.8U CN217917520U (en) | 2022-03-30 | 2022-03-30 | Pure electric vehicles heat pump supporting structure and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220731041.8U CN217917520U (en) | 2022-03-30 | 2022-03-30 | Pure electric vehicles heat pump supporting structure and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217917520U true CN217917520U (en) | 2022-11-29 |
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ID=84175091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220731041.8U Active CN217917520U (en) | 2022-03-30 | 2022-03-30 | Pure electric vehicles heat pump supporting structure and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217917520U (en) |
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2022
- 2022-03-30 CN CN202220731041.8U patent/CN217917520U/en active Active
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| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: 314500 988 Tong Tong Road, Wu Tong Street, Tongxiang, Jiaxing, Zhejiang Patentee after: United New Energy Automobile Co.,Ltd. Address before: 314500 988 Tong Tong Road, Wu Tong Street, Tongxiang, Jiaxing, Zhejiang Patentee before: Hezhong New Energy Vehicle Co.,Ltd. |