A bridged compressor suspension system

Abstract

The application discloses a kind of bridging compressor suspension systems, including aluminium support, aluminium support is provided with upper mounting hole and lower mounting hole, rubber bushing is installed in upper mounting hole and lower mounting hole, rubber bushing both ends are provided with rubber gasket at top, rubber gasket bottom end is provided with rubber gasket at bottom, metal limiting gasket is arranged outside rubber gasket, metal limiting gasket is riveted with rubber bushing, aluminium support bottom end is connected with connecting support, nut is arranged on connecting support, bolt is used to pass through rubber bushing at bottom and nut locking connection;The working direction and working position of the rubber bushing end at the bottom of the aluminium support are adjusted by the above structure through the bridging connecting support mode, further more effective space is provided for compressor system decoupling and frequency debugging, so as to avoid the resonance of the rigid body mode of the system and the working main order frequency of the compressor to produce larger noise abnormal sound, reduce the NVH comfort of driver.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of compressor suspension, in particular to a bridge type compressor suspension system. BACKGROUND

[0002] The suspension system is used to reduce and control the transmission of compressor vibration, and plays a supporting role in the power assembly. With the increasing requirement of people on vehicle NVH (NVH refers to Noise, Vibration and Harshness), it is more and more required that the compressor works with low vibration and low noise. Generally, by optimizing the suspension of the compressor and the vehicle body, the purpose of absorbing vibration and reducing noise is achieved.

[0003] In the prior art, the vibration excitation source generated when the compressor works will be transmitted to the driver's cabin through the related structural parts of the automobile, producing noise and abnormal sound, reducing the NVH comfort of the driver, so there is an urgent need for a compressor suspension system to effectively attenuate the vibration generated by the excitation source of the compressor, and to improve the NVH comfort. SUMMARY

[0004] In order to overcome the above technical problems, the purpose of the present application is to provide a bridge type compressor suspension system connected between the compressor and the electric drive system, which attenuates the excitation source of the compressor and the electric drive system, and achieves the effect of improving the NVH comfort of the whole vehicle.

[0005] The purpose of the present application can be achieved by the following technical solutions:

[0006] A bridge type compressor suspension system, comprising an aluminum bracket, the top of the aluminum bracket is provided with an upper mounting hole, the bottom of the aluminum bracket is provided with a lower mounting hole, a rubber bushing is mounted in each of the upper mounting hole and the lower mounting hole, rubber washers are arranged at both ends of the rubber bushing at the top, a rubber washer is arranged at the bottom end of the rubber bushing at the bottom, a metal limiting washer is arranged outside the rubber washer, the metal limiting washer is riveted with the rubber bushing, a connecting bracket is connected to the bottom end of the aluminum bracket, a nut is arranged on the connecting bracket, and a bolt is used to lock and connect the rubber bushing at the bottom and the nut.

[0007] As a further scheme of the present application, the upper mounting hole is provided with two, the top of the aluminum bracket is provided with two protruding mounting portions, the two upper mounting holes are arranged on the two protruding mounting portions, the lower mounting hole is provided with one, the bottom of the aluminum bracket is provided with one protruding mounting portion, and the lower mounting hole is arranged on the protruding mounting portion.

[0008] As a further scheme of the present application, the two protruding mounting portions at the top and the one protruding mounting portion at the bottom are in a triangular distribution.

[0009] As a further scheme of the present application: the rubber bushing is pressed into the upper mounting hole or the lower mounting hole through interference pressing.

[0010] As a further scheme of the present application: the connecting bracket is provided with a connecting portion on one side, a nut is mounted on a bridging mounting hole of the connecting portion, the bridging mounting hole corresponds to the bolt, and the bolt is arranged through the bridging mounting hole.

[0011] As a further scheme of the present application: the rubber bushing comprises a rubber main spring, an aluminum inner tube is arranged on the inner side of the rubber main spring, an aluminum outer tube is arranged on the outer side of the rubber main spring, inner tube clamping grooves are symmetrically arranged on the inner side of the aluminum inner tube, and the rubber main spring, the aluminum inner tube and the aluminum outer tube are assembled together through vulcanization.

[0012] As a further scheme of the present application: the sheet metal limiting gasket is assembled in the inner tube clamping groove of the aluminum inner tube through riveting.

[0013] As a further scheme of the present application: the rubber gasket is located on the plane formed by the top surface or the bottom surface of the aluminum outer tube and the top surface or the bottom surface of the upper mounting hole and the lower mounting hole of the aluminum bracket, and plays a role of axial limiting.

[0014] The present application has the following beneficial effects:

[0015] In the bridged compressor suspension system of the present application, the working direction and the working position of the rubber bushing end of the bottom of the aluminum bracket are adjusted by the bridged connecting bracket, further more effective space is provided for the decoupling of the compressor system and the debugging of the frequency, so that the resonance of the rigid body mode of the bridged compressor suspension system of the present application and the working main order frequency of the compressor produces larger noise and abnormal sound, and the NVH comfort of the driver is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] The present application will be further described below in combination with the drawings.

[0017] Figure 1 is the overall structure schematic diagram of the present application Figure 1 ;

[0018] Figure 2 is the overall structure schematic diagram of the present application Figure 2 ;

[0019] Figure 3 is the overall structure schematic diagram of the present application Figure 3 ;

[0020] Figure 4 is the aluminum bracket structure schematic diagram in the present application

[0021] Figure 5 is the connecting bracket structure schematic diagram in the present application

[0022] Figure 6It is the connecting structure schematic diagram of rubber bushing, rubber gasket and sheet metal limiting gasket in the application;

[0023] Figure 7 It is the sectional structure schematic diagram of rubber bushing in the application;

[0024] Figure 8 It is the structure schematic diagram of aluminum inner tube in the application;

[0025] Figure 9 It is the structure schematic diagram of rubber bushing at both ends of bottom in the application;

[0026] Figure 10 It is the installation structure schematic diagram of bridging type compressor suspension system in the application.

[0027] In the figure: 1, aluminum support; 2, connecting support; 3, rubber bushing; 4, rubber gasket; 5, sheet metal limiting gasket; 6, bolt; 7, nut; 8, compressor; 10, driving system; 11, upper mounting hole; 12, lower mounting hole; 21, connecting part; 31, rubber main spring; 32, aluminum inner tube; 33, aluminum outer tube; 321, inner tube clamping groove. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0029] As Figures 1-9 shown, it is a bridging type compressor suspension system, which comprises an aluminum support 1, the aluminum support 1 is the main structure of the whole system, two protruding mounting parts are arranged on the top of the aluminum support 1, upper mounting holes 11 are arranged on the two protruding mounting parts on the top in correspondence, rubber bushings 3 are arranged in the two upper mounting holes 11, and an extended mounting part is arranged on the bottom of the aluminum support 1, a lower mounting hole 12 is arranged on the extended mounting part on the bottom, and a rubber bushing 3 is arranged in the lower mounting hole 12, the two protruding mounting parts on the top and the extended mounting part on the bottom are in triangular distribution, so as to ensure the stability of the main structure of the aluminum support 1 after installation, and the back of the top of the aluminum support 1 and the front of the bottom are provided with weight reduction areas, a plurality of reinforcing ribs are arranged in the weight reduction areas to improve the strength of the aluminum support 1, reduce the weight, and save the cost.

[0030] Further, three rubber bushings 3 are correspondingly press-fitted into the upper mounting hole 11 and the lower mounting hole 12 by interference press-fitting, and rubber gaskets 4 are arranged at both ends of the two rubber bushings 3 at the upper side of the aluminum support 1, and sheet metal limiting gaskets 5 are arranged on the rubber gaskets 4, the rubber gaskets 4 are fixed at the upper and lower ends of the rubber bushings 3 by riveting the sheet metal limiting gaskets 5 and the rubber bushings 3 inside, and the rubber gaskets 4 at the upper and lower ends are located at the outer side end of the upper mounting hole 11, a rubber gasket 4 is arranged at the bottom end of the rubber bushing 3 at the bottom of the aluminum support 1, and a sheet metal limiting gasket 5 is also arranged on the rubber gasket 4, the rubber gasket 4 is fixed at the bottom end of the rubber bushing 3 by riveting the sheet metal limiting gasket 5 and the bottom end inside the rubber bushing 3, and the rubber gasket 4 is located outside the lower mounting hole 12, and the rubber gasket 4 plays a role of shock absorption by being arranged.

[0031] Further, as shown in Figure 2 , the aluminum support 1 is connected with a connecting support 2 at the bottom end, the connecting support 2 is located at the top end of the bottom rubber bushing 3, a nut 7 is arranged on the connecting support 2, and a bolt 6 is locked and connected with the nut 7 through the rubber bushing 3 at the bottom to stably install the connecting support 2 on the aluminum support 1.

[0032] Further, as shown in Figure 2 and Figure 5 , a connecting portion 21 is arranged on one side of the connecting support 2, the nut 7 is installed on the bridging mounting hole of the connecting portion 21, the bridging mounting hole corresponds to the bolt 6, and the bolt 6 is arranged through the bridging mounting hole.

[0033] As shown in Figures 6-9 , the rubber bushing 3 includes a rubber main spring 31, an aluminum inner tube 32 is arranged inside the rubber main spring 31, and an aluminum outer tube 33 is arranged outside the rubber main spring 31, the inner side of the aluminum inner tube 32 is symmetrically provided with an inner tube clamping groove 321, the rubber bushing 3 is formed by vulcanization assembly of the rubber main spring 31, the aluminum inner tube 32 and the aluminum outer tube 33, the sheet metal limiting gasket 5 is assembled in the inner tube clamping groove 321 of the aluminum inner tube 32 by riveting, and the bolt 6 is locked and connected with the nut 7 on the connecting support 2 by passing through the aluminum inner tube 32 in the rubber bushing 3 at the lower end of the aluminum support 1.

[0034] Further, as shown in Figure 6 and Figure 7 , the rubber gasket 4 is located on the plane formed by the top surface or the bottom surface of the aluminum outer tube 33 and the top surface or the bottom surface of the upper mounting hole 11 and the lower mounting hole 12 of the aluminum support 1, and plays a role of axial limiting.

[0035] As shown in Figure 10As shown, the bridging compressor suspension system of the present application is bolted to the mounting point of the electric drive system 10, and the compressor 8 is bolted to the mounting point of the aluminum bracket 1 of the present application. When the compressor 8 is working, a vibration excitation source is generated. The bridging compressor suspension system of the present application effectively attenuates the vibration excitation source generated by the compressor 8, and improves the NVH comfort of the driver.

[0036] In the bridging compressor suspension system of the present application, the working direction and working position of the end of the rubber bushing 3 at the bottom of the aluminum bracket 1 are adjusted by the bridging connection bracket 2, further providing more effective space for compressor system decoupling and frequency debugging, thereby avoiding the resonance of the rigid body mode of the bridging compressor suspension system of the present application and the working main order frequency of the compressor to generate larger noise and abnormal sound, and reducing the NVH comfort of the driver.

[0037] In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", etc. indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, and a particular orientation configuration and operation, therefore, cannot be understood as a limitation on the present application. In addition, "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. In the description of the present application, unless otherwise specified, the meaning of "multiple" is two or more.

[0038] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0039] The above describes one embodiment of the present application in detail, but the content described is only the preferred embodiment of the present application, and cannot be considered as limiting the scope of the present application. Any equivalent changes and improvements made within the scope of the present application shall still belong to the patent scope of the present application.

Claims

1. A bridged compressor suspension system characterized by, The application relates to an aluminum support (1) provided with upper mounting holes (11) at the top and lower mounting holes (12) at the bottom, rubber bushings (3) being mounted in the upper mounting holes (11) and the lower mounting holes (12), rubber gaskets (4) being arranged at the two ends of the rubber bushings (3) at the top, a rubber gasket (4) being arranged at the bottom end of the rubber bushing (3) at the bottom, sheet metal limiting gaskets (5) being arranged outside the rubber gaskets (4) and riveted to the rubber bushings (3), a connecting support (2) being connected to the bottom end of the aluminum support (1), nuts (7) being arranged on the connecting support (2), and bolts (6) being used to lock and connect the rubber bushings (3) at the bottom and the nuts (7). The connecting support (2) is locked on an electric drive system (10), a compressor (8) is connected to the aluminum support (1) and located on the side far from the connecting support (2), the working direction and working position of the rubber bushings (3) at the bottom of the aluminum support (1) are adjusted by adopting the mode of bridging the connecting support (2), and more effective space is provided for the compressor (8) system decoupling and frequency debugging.

2. A bridge compressor suspension system as set forth in claim 1 wherein, The upper mounting holes (11) are arranged in two, the top of the aluminum support (1) is provided with two protruding mounting portions, the two upper mounting holes (11) are arranged on the two protruding mounting portions, the lower mounting hole (12) is arranged in one, the bottom of the aluminum support (1) is provided with one protruding mounting portion, and the lower mounting hole (12) is arranged on the protruding mounting portion.

3. A bridge compressor suspension system as set forth in claim 1 wherein, The two protruding mounting portions at the top and the one protruding mounting portion at the bottom are in a triangular distribution.

4. A bridge compressor suspension system as set forth in claim 1 wherein, The rubber bushings (3) are press-fitted into the upper mounting holes (11) or the lower mounting holes (12) by means of interference press-fitting.

5. A bridge compressor suspension system as set forth in claim 1 wherein, The connecting support (2) is provided with a connecting portion (21) on one side, the nuts (7) are arranged on the bridging mounting holes of the connecting portion (21), the bridging mounting holes correspond to the bolts (6), and the bolts (6) are arranged through the bridging mounting holes.

6. A bridge compressor suspension system as set forth in claim 1 wherein, The rubber bushing (3) comprises a rubber main spring (31), the inner side of the rubber main spring (31) is provided with an aluminum inner tube (32), the outer side of the rubber main spring (31) is provided with an aluminum outer tube (33), the inner side of the aluminum inner tube (32) is symmetrically provided with inner tube clamping grooves (321), and the rubber main spring (31), the aluminum inner tube (32) and the aluminum outer tube (33) are assembled together through vulcanization.

7. A bridge compressor suspension system as set forth in claim 6 wherein, The sheet metal limiting gaskets (5) are assembled in the inner tube clamping grooves (321) of the aluminum inner tube (32) through riveting.

8. A bridge compressor suspension system as set forth in claim 7 wherein, The rubber gaskets (4) are arranged on the plane formed by the top surface or bottom surface of the aluminum outer tube (33) and the top surface or bottom surface of the upper mounting holes (11) and the lower mounting holes (12) in the aluminum support (1), and play the role of axial limiting.

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