Bracket bushing of electric compressor

Abstract

The utility model discloses an electric compressor support bushing, which relates to the technical field of automobile parts, is arranged on an electric compressor support along the z direction, and comprises a vertically arranged outer pipe and an inner pipe coaxially arranged in the outer pipe, a rubber body is arranged between the outer pipe and the inner pipe in a vulcanization mode and provided with a plurality of vertically-through through holes. A limiting plate is riveted to the upper end of the inner pipe. According to the utility model, the inner pipe is riveted on the limiting plate, so that z-direction limiting is provided, and meanwhile, the through holes can provide water and sand discharging functions; x / y direction limiting is provided through the rubber bosses, the rubber ribs are assisted to provide an anti-deflection function and an anti-torsion function, and therefore the good vibration isolation amount can be provided at the low rotating speed of the compressor; in the assembling process, rubber torsion caused by torque generated by the bolt can be prevented, the structural form considers water drainage and sand discharge, and high reliability is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts, and specifically to an electric compressor support bushing. BACKGROUND

[0002] In recent years, with the upgrading of consumption, new energy vehicles are becoming more and more popular. The electric compressor mainly plays a role in driving the air conditioning system and the heat pump system in new energy vehicles, and is a key component to ensure the comfort of the vehicle environment and improve the working efficiency and service life of the battery and motor. The electric compressor support assembly is a component for fixing and supporting the electric compressor, and plays an important role in the field of new energy vehicles and the like.

[0003] Based on the above background, the damping element in the support structure, the rubber bushing can effectively absorb and isolate the vibration and noise generated by the electric compressor, reduce the influence on other components of the vehicle, improve the comfort of the vehicle, and play a key role in the NVH performance of the vehicle.

[0004] However, the current rubber bushing usually lacks z-direction limiting function, and the rubber bushing is prone to accumulate water and sand, affecting the performance of the product. INVENTION CONTENTS

[0005] In view of the defects in the prior art, the purpose of the utility model is to provide an electric compressor support bushing, which provides z-direction limiting by riveting the inner tube on the limiting plate, and at the same time, the through hole can provide drainage and sand removal functions.

[0006] To achieve the above purpose, the utility model adopts the technical scheme: an electric compressor support bushing is arranged on the electric compressor support along the z-direction, comprising a vertical outer tube and an inner tube coaxially arranged in the outer tube; a rubber body is vulcanized between the outer tube and the inner tube, the rubber body is provided with a plurality of through holes penetrating up and down; the upper end of the inner tube is riveted with a limiting plate.

[0007] Further improvement lies in that the through hole is in an arc structure curved towards the inner tube, and the outer side of the through hole is provided with an arc-shaped rubber boss.

[0008] Further improvement lies in that the rubber body is provided with four through holes around the inner tube, and two of the through holes are distributed along the x-direction, and the other two are distributed along the y-direction; four rubber bosses are used to provide x-direction and y-direction limiting.

[0009] Further improvement lies in that an auxiliary rubber rib is arranged between the inner side of the through hole and the inner tube.

[0010] Further improvement lies in that a first recess is arranged on the position between the adjacent two through holes on the top surface of the rubber body, and a second recess is arranged on the bottom surface of the rubber body opposite to the first recess.

[0011] Further improvement lies in that the top edge and the bottom edge of the rubber body are outwardly bent to form rubber annular pads matched with the outer tube, and the rubber annular pads are provided with a plurality of rubber protrusions.

[0012] Further improvement lies in that the upper end edge of the outer tube is outwardly bent to form a first flange, and the lower end edge of the outer tube is outwardly bent to form a second flange.

[0013] Further improvement lies in that the limiting plate comprises a circular body, a middle part of the body is upwardly raised to form a limiting part matched with the upper end of the inner tube, and the bottom surface of the body is abutted against the rubber body.

[0014] Further improvement lies in that the central hole of the inner tube is provided with a positioning groove, the limiting part is provided with a limiting hole matched with the central hole of the inner tube, and the limiting hole is provided with a positioning block matched with the positioning groove.

[0015] Further improvement lies in that the electric compressor support is in a rectangular structure, and a sleeve seat for mounting a bushing is arranged at a top corner of the electric compressor support.

[0016] The electric compressor support of the utility model has the advantages of:

[0017] In the utility model, the inner tube is riveted on the limiting plate in the z direction, and at the same time, the through hole can provide the drainage and sand discharge functions; the rubber boss provides the x / y direction limiting, and the auxiliary rubber rib provides the anti-oscillation function and the anti-torsion function, so that good vibration isolation can be provided at low speed of the compressor; the bolt torque can be prevented from causing the rubber to twist during the assembly process, the structure has the drainage and sand discharge consideration, and has high reliability. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a perspective view of the electric compressor support bushing in the utility model embodiment;

[0019] Figure 2 It is a top view of the electric compressor support bushing in the utility model embodiment;

[0020] Figure 3 It is a sectional view of the electric compressor support bushing in the utility model embodiment;

[0021] Figure 4 It is a sectional view of the limiting plate in the utility model embodiment;

[0022] Figure 5 It is an installation schematic view of the electric compressor support bushing in the utility model embodiment.

[0023] Reference signs:

[0024] 1 - electric compressor support; 11 - sleeve seat;

[0025] 2 - outer tube; 21 - first flange; 22 - second flange;

[0026] 3 - inner tube; 31 - positioning groove;

[0027] 4 - rubber body; 41 - through hole; 42 - rubber boss; 43 - auxiliary rubber rib; 44 - rubber annular pad; 45 - first recess; 46 - second recess;

[0028] 5 - limiting plate; 51 - body; 52 - limiting part; 53 - limiting hole; 54 - positioning block. DETAILED DESCRIPTION

[0029] The embodiments of the present application are described in detail below, and the embodiments are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout.

[0030] In the description of the present application, it should be noted that for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate the orientation and positional relationship based on 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, be constructed and operated in a particular orientation, and cannot be understood as limiting the specific protection scope of the present application.

[0031] In addition, the terms "first" and "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the "first" and "second" features can explicitly or implicitly include one or more features, and in the description of the present application, the meaning of "several" and "several" is two or more, unless otherwise explicitly specified.

[0032] The technical scheme of the present application and its beneficial effects will be clearer and more explicit through the further description of the specific embodiments of the present application in combination with the drawings of the specification. The description of the embodiments below by referring to the drawings is exemplary and is intended to explain the present application, and cannot be understood as limiting the present application.

[0033] Referring to Figures 1-5As shown in the utility model embodiment provides a kind of electric compressor support bushing, along z is arranged on electric compressor support 1, including vertically arranged outer tube 2 and coaxially arranged inner tube 3 in outer tube 2;Rubber body 4 is vulcanized between outer tube 2 and inner tube 3, and rubber body 4 is provided with several upper and lower through holes 41;The upper end of inner tube 3 is riveted with limit plate 5.

[0034] Referring to Figure 2 As shown, the through hole 41 is curved in the direction of the inner tube 3, and the outer side of the through hole 41 is provided with an arc-shaped rubber boss 42. Specifically, the rubber body 4 is provided with four through holes 41 around the inner tube 3, and two of them are distributed along the x direction, and the other two are distributed along the y direction; The four rubber bosses 42 are used to provide x and y direction limiting. The inner side of the through hole 41 and the inner tube 3 are provided with an auxiliary rubber rib 43.

[0035] Referring to Figure 3 As shown, the first recess 45 is provided on the top surface of the rubber body 4 between the two adjacent through holes 41, and the bottom surface of the rubber body 4 is provided with a second recess 46 opposite to the first recess 45. Specifically, the top edge and the bottom edge of the rubber body 4 are both outwardly bent to form a rubber annular pad 44 adapted to the outer tube 2, and the rubber annular pad 44 is provided with a plurality of rubber protrusions. The upper edge of the outer tube 2 is outwardly bent to form a first flange 21, and the lower edge of the outer tube 2 is outwardly bent to form a second flange 22.

[0036] Referring to Figure 4 As shown, the limit plate 5 includes a circular body 51, the middle part of the body 51 is upwardly raised to form a limiting part 52 adapted to the upper end of the inner tube 3, and the bottom surface of the body 51 is supported on the rubber body 4. Specifically, the center hole of the inner tube 3 is provided with a positioning groove 31, the limiting part 52 is provided with a limiting hole 53 adapted to the center hole of the inner tube 3, and the limiting hole 53 is provided with a positioning block 54 adapted to the positioning groove 31.

[0037] Referring to Figure 5 As shown, the electric compressor support 1 is in a rectangular structure, and the top corner of the electric compressor support 1 is provided with a sleeve seat 11 for mounting the bushing.

[0038] In the description of the specification, the description of the terms "one embodiment", "preferably", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model, and the illustrative description of the above terms in the specification does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] Through the structure and principle described above, those skilled in the art should understand that the utility model is not limited to the specific implementation described above, and improvements and replacements of commonly known technologies in the field on the basis of the utility model all fall within the protection scope of the utility model, which should be limited by each claim.

Claims

1. An electric compressor bracket bushing, disposed along the z-direction on an electric compressor bracket (1), characterized in that: It includes a vertically arranged outer tube (2) and an inner tube (3) coaxially arranged inside the outer tube (2); a rubber body (4) is vulcanized between the outer tube (2) and the inner tube (3), and the rubber body (4) is provided with several through holes (41) that run vertically through the inner tube; a limit plate (5) is riveted to the upper end of the inner tube (3).

2. The electric compressor bracket bushing according to claim 1, characterized in that: The through hole (41) has an arc-shaped structure that bends toward the inner tube (3), and an arc-shaped rubber boss (42) is provided on the outer side of the through hole (41).

3. The electric compressor bracket bushing according to claim 2, characterized in that: The rubber body (4) is provided with four through holes (41) around the inner tube (3), two of which are distributed along the x-direction and the other two are distributed along the y-direction; four rubber bosses (42) are used to provide x-direction and y-direction limits.

4. The electric compressor bracket bushing according to claim 1, characterized in that: An auxiliary rubber rib (43) is provided between the inner side of the through hole (41) and the inner tube (3).

5. The electric compressor bracket bushing according to claim 1, characterized in that: The top surface of the rubber body (4) is provided with a first recess (45) located between two adjacent through holes (41), and the bottom surface of the rubber body (4) is provided with a second recess (46) opposite to the first recess (45).

6. The electric compressor bracket bushing according to claim 1, characterized in that: The top and bottom edges of the rubber body (4) are bent outward to form a rubber annular pad (44) that is compatible with the outer tube (2), and the rubber annular pad (44) is provided with several rubber protrusions.

7. The electric compressor bracket bushing according to claim 1, characterized in that: The upper edge of the outer tube (2) is bent outward to form a first flange (21), and the lower edge of the outer tube (2) is bent outward to form a second flange (22).

8. The electric compressor bracket bushing according to claim 1, characterized in that: The limiting plate (5) includes a circular body (51), the middle part of which is raised upward to form a limiting part (52) that is adapted to the upper end of the inner tube (3), and the bottom surface of the body (51) abuts against the rubber body (4).

9. The electric compressor bracket bushing according to claim 8, characterized in that: The inner tube (3) has a positioning groove (31) in the center hole, and the limiting part (52) has a limiting hole (53) that matches the center hole of the inner tube (3), and a positioning block (54) that matches the positioning groove (31) is provided in the limiting hole (53).

10. The electric compressor bracket bushing according to claim 1, characterized in that: The electric compressor bracket (1) has a rectangular structure, and a sleeve seat (11) for installing bushings is provided at the top corner of the electric compressor bracket (1).

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