CN209208406U - Air-conditioner compressor mounting bracket and automobile - Google Patents

Abstract

The utility model belongs to the technical field of automobile installation brackets, and relates to an air conditioner compressor installation bracket and an automobile. The air conditioner compressor mounting bracket includes a bracket body, a threaded sleeve and a bushing, the threaded sleeve is fixedly connected to the bracket body, the bracket body is provided with a bushing installation hole, and the bushing is press-fitted on the bracket body. In the bushing installation hole, the threaded bushing is used for connecting the air conditioner compressor, and the bushing is used for connecting the motor. The air-conditioning compressor mounting bracket can prevent the risk of cracking at the installation position of the air-conditioning compressor, and at the same time play a role of vibration isolation and noise reduction, and improve the comfort of drivers and passengers. The air conditioner compressor mounting bracket is applied to a pure electric vehicle with a motor or a hybrid vehicle with a motor and an internal combustion engine.

Description

Air conditioner compressor mounting bracket and car

technical field

The utility model belongs to the technical field of mounting brackets for pure electric vehicles or hybrid vehicles, in particular to an air-conditioning compressor mounting bracket and a vehicle.

Background technique

At present, the mounting brackets of air-conditioning compressors on most models are made of cast aluminum brackets and cast iron brackets.

When the mounting bracket of the air conditioner compressor adopts cast aluminum bracket, the yield, tensile strength and material elongation of the aluminum alloy material are lower than those of the sheet metal material, and the air conditioner compressor will generate a large torsional moment and Vibration, when the torsional moment and vibration are transmitted to the mounting bracket and the motor, after the mounting bracket bears a large torque and vibration, it is easy to cause various problems such as cracking of the mounting bracket, durability failure, bolt torque attenuation and looseness, etc. . In addition, due to the limitations of the material characteristics and production process of the aluminum alloy casting bracket, the production control of the bracket is complicated, the production pass rate is low, the production cost is high, and the cost of the sample is high. If the performance level of the bracket is to be improved, it will As a result, the sample is heavy and bulky, and it is not easy to arrange in space.

When the mounting bracket of the air conditioner compressor is made of cast iron, the utilization rate of the material cannot be fully utilized, and there are many uncontrollable factors in the casting process, which will lead to a low pass rate of the sample, which makes the production control of the mounting bracket complicated and difficult for the sample. high cost. Limited by the production process, castings have relatively large restrictions on materials, and the material grade cannot be flexibly selected. In order to improve the strength of the mounting bracket, it is necessary to increase the thickness of the casting to improve the local strength, which makes the mounting bracket occupy a large space in the front cabin, is heavy and is not conducive to the overall layout of the space.

In addition, the connection between the existing two types of fixed brackets and the motor basically adopts a rigid connection without bushings, and the effect of vibration isolation and noise reduction is not good. Different types of bolts need to be used for fixing, which increases the Model selection is not conducive to the control of parts, and it also increases the switching of fastening tools in production, which makes the production cycle longer and cannot improve production efficiency very well.

Utility model content

The technical problem to be solved by the utility model is to provide an air conditioner compressor mounting bracket and an automobile in view of the technical problem that the existing mounting bracket cannot bear large moment and vibration.

In order to solve the above technical problems, on the one hand, the embodiment of the utility model provides an air conditioner compressor mounting bracket, including a bracket body, a threaded sleeve and a bushing, and the threaded sleeve is fixedly connected to the bracket body. The bracket body is provided with a bush installation hole, the bush is press-fitted in the bush installation hole, the threaded sleeve is used for connecting the air conditioner compressor, and the bush is used for connecting the motor.

Optionally, there are multiple threaded sleeves;

There are multiple bush installation holes, and there are multiple bushes, and the bushes are press-fitted into the bush installation holes one by one.

Optionally, there are three threaded sleeves, and the three threaded sleeves are distributed in a triangle.

Optionally, there are three bushing installation holes, and the three bushing installation holes are distributed in a triangle;

There are three bushes, and the three bushes are press-fitted in the three bush installation holes correspondingly.

Optionally, each threaded sleeve is located between two adjacent bushes.

Optionally, the central axis of the threaded sleeve is perpendicular to the plane where the bracket body is located.

Optionally, the central axis of the threaded sleeve is parallel to the central axis of the bush, and the central axis of the threaded sleeve extends along the front-rear direction of the vehicle.

Optionally, the bracket body includes a small stress area and a large stress area surrounding the small stress area, and the threaded sleeve and the bushing installation hole are located in the large stress area.

Optionally, the large stress area is provided with reinforcing ribs, and the small stress area is provided with lightening holes.

On the other hand, an embodiment of the present utility model provides an automobile, which includes the above air conditioner compressor mounting bracket.

According to the air-conditioning compressor installation bracket of the embodiment of the utility model, the bracket body and the air-conditioning compressor are connected by a threaded sleeve, and since the threaded sleeve is provided with internal threads, the strength is relatively high. When the air-conditioning compressor works in extreme conditions, it can prevent the bolt torque between the air-conditioning compressor and the threaded sleeve from attenuating, and at the same time prevent the risk of cracking at the installation position of the air-conditioning compressor. In addition, the bushing is used to connect the bracket body and the motor, so that when the air conditioner compressor is working, the vibration transmitted to the bracket body will be absorbed by the bushing, which plays the role of vibration isolation and noise reduction, and improves the comfort of drivers and passengers It can greatly reduce the driver's fatigue and play a very good role in driving safety. The air conditioner compressor mounting bracket is applied to a pure electric vehicle with a motor or a hybrid vehicle with a motor and an internal combustion engine.

Description of drawings

Fig. 1 is a schematic diagram of an air conditioner compressor mounting bracket provided by an embodiment of the present invention;

Fig. 2 is a schematic diagram of another angle of the air conditioner compressor mounting bracket provided by an embodiment of the present invention;

Fig. 3 is the sectional view of A-A place in Fig. 2;

Fig. 4 is the sectional view of B-B place among Fig. 2;

Fig. 5 is an assembly diagram of the air conditioner compressor mounting bracket, motor and air conditioner compressor provided by an embodiment of the present invention.

The reference signs in the instructions are as follows:

1. Air conditioner compressor mounting bracket; 11. Bracket body; 111. Bushing installation hole; 112. Small stress area; 113. Large stress area; 12. Threaded casing; 13. Bushing; 14. Reinforcing rib; 15. lightening hole;

2. Motor;

3. Air conditioner compressor.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects solved by the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

As shown in Figures 1 to 5, the air conditioner compressor mounting bracket 1 provided by the embodiment of the present invention includes a bracket body 11, a threaded sleeve 12 and a bushing 13, and the threaded sleeve 12 is fixedly connected to the bracket body 11, the bracket body 11 is provided with a bushing installation hole 111, the bushing 13 is pressed into the bushing installation hole 111, the threaded sleeve 12 is used to connect the air conditioner compressor 3, the The bushing 13 is used to connect the motor 2 .

In the air conditioner compressor mounting bracket 1 provided by the embodiment of the utility model, the threaded sleeve 12 is used to connect the bracket body 11 and the air conditioner compressor 3. Since the threaded sleeve 12 is provided with internal threads, the strength is relatively high, and the air conditioner compressor 3 is in the When working in extreme working conditions, the torque of the bolts connected between the air-conditioning compressor 3 and the threaded sleeve 12 can be prevented from attenuating, and at the same time, the risk of cracking at the installation position of the air-conditioning compressor 3 can be prevented. In addition, the bushing 13 is used to connect the bracket body 11 and the motor 2, so that when the air conditioner compressor 3 is working, the vibration transmitted to the bracket body 11 will be absorbed by the bushing 13, which plays the role of vibration isolation and noise reduction, and improves The comfort of drivers and passengers greatly reduces driver fatigue and plays a very good role in driving safety. The air conditioner compressor mounting bracket 1 is applied to a pure electric vehicle with a motor or a hybrid vehicle with a motor and an internal combustion engine.

The bracket body 11 is stamped from sheet metal. The bracket body 11 is low in cost, stable in size and easy to simplify in shape, and the bracket body 11 takes up less space, which makes it easier and more flexible to arrange the air conditioner compressor 3 in the front cabin of the car.

The air conditioner compressor mounting bracket 1 can be matched according to the performance and NVH requirements of different vehicle models, by adjusting the plate thickness of the bracket body 11, the material grade, the structural form of the bushing 13, and selecting different types of bolts, etc., which has strong The flexibility of the platform is well realized.

In addition, because the manufacturing process of stamping the bracket body 11 and the threaded sleeve 12 is mature, the quality control is simple and the production pass rate is high, which greatly reduces the production cost and sample cost.

In one embodiment, as shown in FIG. 1 and FIG. 2 , the bracket body 11 is in a planar shape. The flange-free design of the bracket body 11 avoids the risk of punching springback, and the regular structure design of the bracket body 11 greatly reduces the difficulty of punching.

In one embodiment, the thickness of the bracket body 11 is 5 mm, and the diameter of the threaded sleeve 12 welded on the bracket body 11 is 17 mm, so as to satisfy the connection between the bracket body 11 and the motor 2 and the air conditioner compressor 3 strength and stiffness requirements.

In other embodiments, the thickness of the bracket body of different vehicle models on the same platform can be adjusted according to the strength and rigidity structural requirements. The welding length of the threaded casing can also be adjusted to suit the arrangement of air-conditioning compressors of different models on the same platform. The stiffness of the bush can be adjusted according to actual matching with the whole vehicle.

In one embodiment, as shown in FIG. 1 , there are multiple threaded sleeves 12 . There are multiple bush installation holes 111 , and there are multiple bushes 13 , and the bushes 13 are press-fitted into the bush installation holes 111 one by one.

By setting a plurality of threaded sleeves 12, a plurality of bushing installation holes 111 and a plurality of bushings 13, the connection strength between the air-conditioning compressor mounting bracket 1, the motor 2 and the air-conditioning compressor 3 is increased, and the stability of the connection is enhanced. sex.

In one embodiment, according to the actual vehicle requirements, the rubber body in each bush 13 in the multiple bushings 13 can be designed so that the rubber body can be aligned along the Y direction (the width direction of the automobile) and the Z direction (the width direction of the automobile). height direction) have different stiffness. If the Y-direction stiffness requirement of the rubber body is large, then design a thicker rubber material along the Y-direction for the rubber body; if the Z-direction stiffness requirement of the rubber body is small, then design a thinner rubber material along the Z-direction for the rubber body; The rest are hollowed out. Therefore, it plays a good role in vibration isolation and noise reduction, makes the distribution of materials reasonable, and realizes weight and weight reduction.

In one embodiment, as shown in FIG. 1 , there are three threaded sleeves 12 , and the three threaded sleeves 12 are distributed in a triangle.

The three threaded sleeves 12 are arranged in a triangle shape, which greatly improves the stress on the air conditioner compressor mounting bracket 1 . At the same time, the three threaded sleeves 12 have the same structure, which reduces the number of molds and the risk of wrong assembly in the production process, realizes the common use of fasteners, reduces the selection of fasteners, and simplifies the process of assembly. Switch tools during the process.

In one embodiment, as shown in FIG. 1 , there are three bushing installation holes 111 , and the three bushing installation holes 111 are distributed in a triangle. There are three bushings 13, and the three bushings 13 are press-fitted into the three bushing installation holes 111 in a one-to-one correspondence.

The three bushes 13 are arranged in a triangular shape, which greatly improves the stress on the air conditioner compressor mounting bracket 1 and makes the stress on the bushes 13 evenly distributed.

In one embodiment, as shown in FIG. 1 , each threaded sleeve 12 is located between two adjacent bushings 13 . Correspondingly, each bushing 13 is located between two adjacent threaded sleeves 12 .

By interlacing the bushes 13 and the threaded sleeves 12 , the connection strength between the air-conditioning compressor mounting bracket 1 , the motor 2 and the air-conditioning compressor 3 is improved.

In one embodiment, as shown in FIG. 1 , the central axis of the threaded sleeve 12 is perpendicular to the plane where the bracket body 11 is located, so that the air conditioner compressor 3 can be more smoothly installed on the air conditioner compressor. Machine mounting bracket 1.

In one embodiment, as shown in Figures 1 and 5, the central axis of the threaded sleeve 12 is parallel to the central axis of the bushing 13, and the central axis of the threaded sleeve 12 extends along the front and rear directions of the vehicle. .

The axes of the bushing 13 and the threaded sleeve 12 are arranged along the X direction (the front and rear directions of the automobile, that is, the longitudinal direction of the automobile), so that the bolts for installing the air-conditioning compressor 3 and the motor 2 are all tightened along the X direction , the space occupied by the air conditioner compressor 3, the motor 2 and the air conditioner compressor mounting bracket 1 is minimized, and the space utilization rate of the front cabin is greatly improved.

In one embodiment, as shown in FIG. 1, the bracket body 11 includes a small stress area 112 and a circle of large stress area 113 surrounding the small stress area 112, the threaded sleeve 12 and the bushing installation hole 111 is located in the large stress region 113 .

The threaded sleeve 12 and the bushing installation hole 111 are centrally arranged in the high stress area 113, so that only the high stress area 113 can be thickened in a targeted manner when designing the bracket body 11 and reinforcement, while the small stress area 112 can be relatively thinned or provided with weight-reducing holes 15 for weight reduction, so as to realize the weight reduction of the bracket body 11 .

In one embodiment, as shown in FIG. 1 , the large stress area 113 is provided with reinforcing ribs 14 , and the small stress area 112 is provided with lightening holes 15 .

By setting the reinforcing ribs 14, the high stress area 113 is strengthened to improve the life and durability of the air conditioner compressor mounting bracket 1 . The weight of the air-conditioning compressor mounting bracket 1 is reduced by maximizing the material removal (setting the weight-reducing hole 15 ) in the small stress area 112 , and realizing the weight reduction of the air-conditioning compressor mounting bracket 1 .

The automobile provided by the embodiment of the present invention includes the above-mentioned air conditioner compressor mounting bracket.

The car in the embodiment of the utility model refers to a pure electric car with a motor or a hybrid car with a motor and an internal combustion engine.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (10)

1. An air-conditioning compressor mounting bracket, is characterized in that, comprises bracket body, threaded bushing and bushing, and described threaded bushing is fixedly connected on the described bracket body, and described bracket body is provided with bushing installation hole , the bushing is press-fitted in the bushing installation hole, the threaded sleeve is used for connecting the air conditioner compressor, and the bushing is used for connecting the motor. 2. The air conditioner compressor mounting bracket according to claim 1, wherein there are multiple threaded sleeves; There are multiple bush installation holes, and there are multiple bushes, and the bushes are press-fitted into the bush installation holes one by one. 3 . The air conditioner compressor mounting bracket according to claim 1 , wherein there are three threaded sleeves, and the three threaded sleeves are distributed in a triangle. 4 . 4. The air conditioner compressor mounting bracket according to claim 3, wherein there are three bushing mounting holes, and the three bushing mounting holes are arranged in a triangular shape; There are three bushes, and the three bushes are press-fitted in the three bush installation holes correspondingly. 5 . The air conditioner compressor mounting bracket according to claim 4 , wherein each threaded sleeve is located between two adjacent bushings. 6 . 6 . The air conditioner compressor mounting bracket according to claim 1 , wherein the central axis of the threaded sleeve is perpendicular to the plane where the bracket body is located. 7. The air-conditioning compressor mounting bracket according to claim 1 or 6, wherein the central axis of the threaded sleeve is parallel to the central axis of the bushing, and the central axis of the threaded sleeve is along the Extends forward and backward. 8. The air conditioner compressor mounting bracket according to claim 1, wherein the bracket body includes a small stress area and a large stress area surrounding the small stress area, and the threaded sleeve and bushing Mounting holes are located in said high stress areas. 9 . The air conditioner compressor mounting bracket according to claim 8 , wherein the large stress area is provided with reinforcing ribs, and the small stress area is provided with lightening holes. 10 . 10. An automobile, characterized in that it comprises the air conditioner compressor mounting bracket described in any one of claims 1-9.