Swash plate for automotive air conditioning compressor

Abstract

The utility model discloses a swash plate of automobile air conditioner compressor, including swash plate main part, the intermediate position of swash plate main part is fixed with the mounting ring, the inner ring of mounting ring is fixed with annular rubber damping ring, annular rubber damping ring adopts nitrile rubber to make, the bottom of swash plate main part is provided with honeycomb hole structure, and the bottom of swash plate main part is fixed with a plurality of radiating fins, and the outside of swash plate main part is fixed with a plurality of gap compensation mechanism. The utility model through the annular rubber damping ring of mounting ring inboard absorption main shaft torsion and radial vibration, avoid the connection part loose, with the aid of the micro pit array oil storage of swash plate main part upper surface forms stable oil film, reduces dry friction, through bottom honeycomb hole structure and copper radiating fin increase contact area, improve the heat dissipation effect, and the outside gap compensation mechanism utilizes polyurethane elastic block, micro spring and wear -resisting steel sheet that surface coats TiN coating, realizes elastic buffering, and can automatic compensation gap after wear -resisting steel sheet wears.

Description

Technical Field

[0001] This utility model relates to the field of air conditioning compressor technology, and in particular to the inclined plate of an automotive air conditioning compressor. Background Technology

[0002] The swash plate is a key component in swash plate type automotive air conditioning compressors. In automotive air conditioning compressors, the main shaft is fixed to the compressor swash plate. When the main shaft rotates, the swash plate also rotates, and the edge of the swash plate pushes the piston to make axial reciprocating motion.

[0003] In the long-term use of swashplate compressors in automotive air conditioning systems, the swashplate, as a core transmission component, faces multiple technical challenges: First, the connection between the swashplate and the main shaft is susceptible to rotational, torsional, and radial vibrations, leading to loosening and affecting transmission stability. Second, the frictional heat generated during swashplate operation is difficult to dissipate quickly, and the high-temperature environment easily causes material fatigue and performance degradation. Third, long-term friction causes wear on the mating surfaces of the swashplate edge, increasing the clearance and causing piston movement jamming and abnormal noise. Simultaneously, the impact load from the reciprocating piston motion accelerates fatigue damage to the swashplate, severely impacting the compressor's service life and operational reliability. In response to the above situation, there is an urgent need to develop an automotive air conditioning compressor sloping plate that absorbs spindle torsion and radial vibration through an annular rubber damping ring on the inner side of the mounting ring to prevent loosening of the connection; utilizes an array of micro-dimples on the upper surface of the sloping plate to store oil and form a stable oil film to reduce dry friction; increases the contact area and improves heat dissipation through a bottom honeycomb structure and copper heat dissipation fins; and employs a clearance compensation mechanism on the outer side using polyurethane elastic blocks, micro-springs, and wear-resistant steel sheets coated with TiN to achieve both elastic buffering and automatic clearance compensation after the wear-resistant steel sheets wear down. This would overcome the shortcomings in current practical applications and meet current needs. Utility Model Content

[0004] The purpose of this invention is to provide a sloping plate for an automotive air conditioning compressor to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: The inclined plate of the automotive air conditioning compressor includes an inclined plate body, a gap compensation mechanism, heat dissipation fins, and an annular rubber damping ring. A mounting ring is fixed at the middle position of the inclined plate body, and an annular rubber damping ring is fixed inside the mounting ring. The annular rubber damping ring is made of nitrile rubber and has anti-slip texture on its inner side. The bottom of the inclined plate body has a honeycomb hole structure, and multiple heat dissipation fins made of copper are fixed at the bottom of the inclined plate body. Multiple gap compensation mechanisms are fixed on the outer side of the inclined plate body.

[0006] Preferably, the upper surface of the inclined plate body is provided with a micro-dimple array, the micro-dimple array having a diameter of 1 mm and a depth of 0.2 mm.

[0007] Preferably, the gap compensation mechanism includes a polyurethane elastic block and a wear-resistant steel sheet, both of which are arc-shaped. The polyurethane elastic block is elastically connected to the inclined plate body through multiple micro springs, and the wear-resistant steel sheet is fixed to the outside of the polyurethane elastic block.

[0008] Preferably, the wear-resistant steel sheet is made of spring steel and coated with a TiN wear-resistant coating.

[0009] The beneficial effects of this utility model are as follows: When using the inclined plate of this automotive air conditioning compressor, the mounting ring is fixed to the compressor's main shaft, and the annular rubber damping ring contacts the surface of the main shaft. The annular rubber damping ring absorbs the torsional vibration during the rotation of the main shaft through its own damping characteristics, while simultaneously buffering the radial vibration between the inclined plate and the main shaft, preventing the connection from loosening due to vibration. The micro-dimple array can store lubricating oil, forming a stable oil film and reducing dry friction. The honeycomb structure and heat dissipation fins increase the contact area between the inclined plate body and the air, thereby improving the heat dissipation effect on the inclined plate body. The wear-resistant steel sheet directly contacts the piston groove and the steel ball bearing of the compressor. A certain elastic buffering performance is provided by the polyurethane elastic block and micro-spring. When the wear-resistant steel sheet is worn thin, the micro-spring pushes the polyurethane elastic block and the wear-resistant steel sheet outward to compensate, thereby compensating for the gap between the wear-resistant steel sheet and the steel ball bearing. In summary, this invention absorbs spindle torsion and radial vibration through the annular rubber damping ring inside the mounting ring, preventing loosening of the connection; it utilizes the micro-dimple array on the upper surface of the inclined plate to store oil and form a stable oil film, reducing dry friction; the bottom honeycomb structure and copper heat dissipation fins increase the contact area, improving heat dissipation; the outer clearance compensation mechanism uses polyurethane elastic blocks, micro springs, and wear-resistant steel sheets coated with TiN to achieve elastic buffering and automatically compensate for clearance after the wear-resistant steel sheets wear down. Overall, it effectively improves the stability, wear resistance, and heat dissipation performance of the inclined plate, extending the service life of the compressor. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 .

[0011] Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 .

[0012] Figure 3 This is an internal sectional view of the present invention.

[0013] Figure 4 This is a schematic diagram showing the installation and use of this utility model.

[0014] Legend: 1. Inclined plate main body; 101. Micro-dimpled array; 102. Mounting ring; 103. Honeycomb structure; 2. Gap compensation mechanism; 201. Polyurethane elastic block; 202. Wear-resistant steel sheet; 3. Heat dissipation fins; 4. Annular rubber damping ring. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0016] Example

[0017] See Figures 1-4 In this embodiment of the utility model, the inclined plate of the automotive air conditioning compressor includes an inclined plate body 1, a gap compensation mechanism 2, heat dissipation fins 3, and an annular rubber damping ring 4. An installation ring 102 is fixed at the middle position of the inclined plate body 1. The installation ring 102 is used to fix and install onto the compressor main shaft. An annular rubber damping ring 4 is fixed to the inner ring of the installation ring 102. The annular rubber damping ring 4 is made of nitrile rubber, which gives it good elasticity and oil resistance. After the installation ring 102 is fixed onto the main shaft, the annular rubber damping ring 4 contacts the surface of the main shaft. The annular rubber damping ring 4 absorbs the torsional vibration when the main shaft rotates through its own damping characteristics, and at the same time buffers the radial vibration between the inclined plate and the main shaft to prevent the connection from loosening due to vibration. The inner side of the annular rubber damping ring 4 is provided with anti-slip texture, which increases the friction between the annular rubber damping ring 4 and the main shaft.

[0018] The upper surface of the inclined plate body 1 is provided with a micro-pit array 101. The micro-pit array 101 has a diameter of 1 mm and a depth of 0.2 mm. The micro-pit array 101 can store lubricating oil, form a stable oil film, and reduce dry friction.

[0019] The bottom of the inclined plate body 1 is provided with a honeycomb hole structure 103. The honeycomb hole structure 103 can reduce the weight of the inclined plate body 1 and increase its surface area. Multiple heat dissipation fins 3 are fixed at the bottom of the inclined plate body 1. The heat dissipation fins 3 are made of copper, which makes them have good thermal conductivity. The honeycomb hole structure 103 and the heat dissipation fins 3 increase the contact area between the inclined plate body 1 and the air, thereby improving the heat dissipation effect of the inclined plate body 1.

[0020] Multiple gap compensation mechanisms 2 are fixed to the outer side of the inclined plate body 1. The gap compensation mechanism 2 includes a polyurethane elastic block 201 and a wear-resistant steel sheet 202. Both the polyurethane elastic block 201 and the wear-resistant steel sheet 202 are arc-shaped. The polyurethane elastic block 201 is elastically connected to the inclined plate body 1 through multiple micro springs. The wear-resistant steel sheet 202 is fixed to the outer side of the polyurethane elastic block 201. The wear-resistant steel sheet 202 is made of spring steel and coated with a TiN wear-resistant coating. In use, the wear-resistant steel sheet 202 directly contacts the piston groove of the compressor and the steel ball bearing. The polyurethane elastic block 201 and the micro springs can provide a certain elastic buffering performance. When the wear-resistant steel sheet 202 is worn thin, the micro springs push the polyurethane elastic block 201 and the wear-resistant steel sheet 202 outward to compensate, thereby compensating for the gap between the wear-resistant steel sheet 202 and the steel ball bearing.

[0021] Working principle: In use, the inclined plate of this automotive air conditioning compressor is fixed to the compressor's main shaft by the mounting ring 102. The annular rubber damping ring 4 contacts the surface of the main shaft. The annular rubber damping ring 4 absorbs the torsional vibration of the main shaft during rotation through its own damping characteristics, and at the same time buffers the radial vibration between the inclined plate and the main shaft, preventing the connection from loosening due to vibration. The micro-dimple array 101 can store lubricating oil to form a stable oil film and reduce dry friction. The honeycomb hole structure 103 and heat dissipation fins 3 increase the contact area between the inclined plate body 1 and the air, thereby improving the heat dissipation effect of the inclined plate body 1. The wear-resistant steel sheet 202 directly contacts the piston groove of the compressor and the steel ball bearing. The polyurethane elastic block 201 and the micro spring can provide a certain elastic buffer performance. When the wear-resistant steel sheet 202 is worn thin, the micro spring pushes the polyurethane elastic block 201 and the wear-resistant steel sheet 202 outward to compensate, thereby compensating for the gap between the wear-resistant steel sheet 202 and the steel ball bearing.

[0022] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0023] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A sloping plate for an automotive air conditioning compressor, characterized in that, The device includes a sloping plate body (1), a gap compensation mechanism (2), heat dissipation fins (3), and an annular rubber damping ring (4). A mounting ring (102) is fixed in the middle of the sloping plate body (1). An annular rubber damping ring (4) is fixed in the inner ring of the mounting ring (102). The annular rubber damping ring (4) is made of nitrile rubber. Anti-slip texture is provided on the inner side of the annular rubber damping ring (4). A honeycomb hole structure (103) is provided at the bottom of the sloping plate body (1). Multiple heat dissipation fins (3) are fixed at the bottom of the sloping plate body (1). The heat dissipation fins (3) are made of copper. Multiple gap compensation mechanisms (2) are fixed on the outer side of the sloping plate body (1).

2. The inclined plate of the automotive air conditioning compressor according to claim 1, characterized in that, The upper surface of the inclined plate body (1) is provided with a micro-dimple array (101), the micro-dimple array (101) having a diameter of 1 mm and a depth of 0.2 mm.

3. The inclined plate of the automotive air conditioning compressor according to claim 1, characterized in that, The gap compensation mechanism (2) includes a polyurethane elastic block (201) and a wear-resistant steel sheet (202). Both the polyurethane elastic block (201) and the wear-resistant steel sheet (202) are arc-shaped. The polyurethane elastic block (201) is elastically connected to the inclined plate body (1) through multiple micro springs. The wear-resistant steel sheet (202) is fixed to the outside of the polyurethane elastic block (201).

4. The inclined plate of the automotive air conditioning compressor according to claim 3, characterized in that, The wear-resistant steel sheet (202) is made of spring steel and coated with a TiN wear-resistant coating.

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