Lubricating oil filtering device of automobile air conditioner compressor

Abstract

The utility model discloses an automobile air conditioner compressor lubricating oil filtering device which comprises a shell, a filter element pipe is fixedly installed on the outer wall of the bottom of the shell, the included angle between the shell and the filter element pipe is set to be 15 degrees, a filter element assembly is fixedly installed on the inner wall of the filter element pipe, and the filter element assembly comprises a supporting outer pipe. The utility model discloses an automobile air conditioner compressor lubricating oil filtering device which comprises a supporting outer pipe, a lubricating oil filter element is fixedly installed on the inner wall of the supporting outer pipe, a supporting inner pipe is fixedly installed on the inner wall of the lubricating oil filter element, and the lubricating oil filter element is used for filtering automobile air conditioner compressor lubricating oil. The filter element can be conveniently supported through the supporting outer pipe and the supporting inner pipe, so that the filter element can be fixed on the inevitable path of lubricating oil, the lubricating oil can be conveniently subjected to double filtration, meanwhile, the filter element can be conveniently and independently replaced after the bolt is detached, energy conservation and environmental protection are facilitated, and the use of consumables is reduced.

Description

Technical Field

[0001] The utility model relates to a filtering device, in particular to a lubricating oil filtering device for an automobile air-conditioning compressor. Background Art

[0002] The automobile air-conditioning compressor is the heart of the automobile air-conditioning refrigeration system, and plays the role of compressing and transporting refrigerant vapor. According to different working modes, compressors can generally be divided into reciprocating and rotary types. Common reciprocating compressors include crankshaft connecting rod type and axial piston type, while rotary compressors include rotary blade type and scroll type. During the operation of the automobile air-conditioning compressor, since it needs to be lubricated by lubricating oil, metal debris and other impurities generated when the automobile air-conditioning compressor is working fall into the lubricating oil. The lubricating oil needs to be filtered to maintain the cleanliness of the lubricating oil, thereby avoiding damage to the automobile air-conditioning compressor. The existing ones generally have a filter device installed in the oil circuit of the lubricating oil. In the current lubricating oil filter device, only the filter element in the filter device is a consumable and needs to be replaced, and other parts can be reused. Generally, the filter element is integrated and installed inside the metal shell. When replacing the filter device, the filter element is replaced as a whole, including the reusable part of the metal component, which is a certain waste and is not conducive to energy saving and environmental protection. Utility Model Content

[0003] The utility model aims to provide a lubricating oil filter device for an automobile air-conditioning compressor to solve the problems raised in the above-mentioned background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A lubricating oil filter device for an automobile air-conditioning compressor comprises a shell, a filter element tube is fixedly mounted on the outer wall of the bottom of the shell, the angle between the shell and the filter element tube is set to 15°, a filter element assembly is fixedly mounted on the inner wall of the filter element tube, the filter element assembly comprises a supporting outer tube, a lubricating oil filter element is fixedly mounted on the inner wall of the supporting outer tube, a supporting inner tube is fixedly mounted on the inner wall of the lubricating oil filter element, and the lubricating oil filter element is used to filter the lubricating oil of the automobile air-conditioning compressor.

[0006] In a preferred embodiment of the utility model, the shell inlet end is provided with threaded port 1, and the shell outlet end is provided with threaded port 2, and the threaded port 1 and the threaded port 2 are used together to install the shell in the lubricating oil pipeline of the automobile air-conditioning compressor.

[0007] In a preferred embodiment of the utility model, a slot is provided on the inner wall of the shell, the slot is in the same direction as the filter tube, and the filter tube and the inner wall of the slot cooperate to clamp and install the supporting outer tube.

[0008] In a preferred embodiment of the utility model, the top end of the support outer tube is inserted into the slot, a through hole is evenly opened on the surface of the support outer tube, the through hole is used to pass lubricating oil, and the support outer tube is sealed at the connection with the inner wall of the shell.

[0009] In a preferred embodiment of the present utility model, the lubricating oil filter element is configured as a V-shaped structure, the lubricating oil filter element is fixedly connected head to tail as an integrated structure, the lubricating oil filter element thickness is set to 2 mm, and the lubricating oil filter element height is 25 mm.

[0010] In a preferred embodiment of the utility model, the outer wall of the support inner tube is fixedly connected with the inner wall of the lubricating oil filter element, the support inner tube and the support outer tube are used to clamp and fix the lubricating oil filter element, and two through holes are evenly opened on the surface of the support inner tube. The support inner tube, the lubricating oil filter element and the support outer tube cooperate to filter the lubricating oil flowing through the inside of the shell.

[0011] In a preferred embodiment of the present invention, the end of the filter element tube is threadedly sealed with a bolt, and the top of the bolt positions the bottom end of the supporting inner tube, the lubricating oil filter element and the supporting outer tube.

[0012] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention.

[0013] 1. By installing the filter element inside the filter element tube, and installing the filter element between the supporting outer tube and the supporting inner tube, it is convenient to support the filter element through the supporting outer tube and the supporting inner tube, so that the filter element can be fixed on the necessary path of the lubricating oil, so as to facilitate double filtration of the lubricating oil, and at the same time, it is convenient to replace the filter element separately after removing the bolts, which is convenient for energy saving and environmental protection, and reduces the use of consumables;

[0014] 2. By setting up the shell and the filter element tube for use together, the filter element is arranged obliquely inside the shell, so as to facilitate improving the filtering efficiency. At the same time, the filter element is supported by the supporting outer tube and the supporting inner tube, which improves the structural stability of the filter element. It has a simple structure, is convenient for replacement and maintenance, and improves the practicality of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0016] Figure 1 This is a schematic diagram of the main structure of a lubricating oil filter device for an automobile air-conditioning compressor;

[0017] Figure 2This is a schematic diagram of the inlet structure of a lubricating oil filter device for an automobile air-conditioning compressor;

[0018] Figure 3 This is a schematic diagram of the structure of the outlet end of a lubricating oil filter device for an automobile air-conditioning compressor;

[0019] Figure 4 This is a schematic diagram of the shell structure of a lubricating oil filter device for an automobile air-conditioning compressor;

[0020] Figure 5 This is a schematic diagram of the filter element structure in a lubricating oil filter device for an automobile air-conditioning compressor;

[0021] Figure 6 This is a schematic diagram of the decomposed structure of a filter element in a lubricating oil filter device for an automobile air-conditioning compressor.

[0022] In the figure: housing 100 , threaded port 1 110 , threaded port 2 120 , filter tube 130 , bolt 140 , supporting outer tube 200 , through hole 1 210 , lubricating oil filter 220 , supporting inner tube 230 , through hole 231 . DETAILED DESCRIPTION

[0023] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0024] Example 1: Figure 1-3 , including a shell 100, a filter tube 130 is fixedly installed on the outer wall of the bottom of the shell 100, the angle between the shell 100 and the filter tube 130 is set to 15°, the filter element assembly is fixedly installed on the inner wall of the filter tube 130, the filter element assembly includes a supporting outer tube 200, a lubricating oil filter element 220 is fixedly installed on the inner wall of the supporting outer tube 200, a supporting inner tube 230 is fixedly installed on the inner wall of the lubricating oil filter element 220, and the lubricating oil filter element 220 is used to filter the lubricating oil of the automobile air-conditioning compressor.

[0025] The specific usage scenario of this embodiment is: by setting the shell 100 and the filter element tube 130 for use together, it has the function of installing the filter element assembly, by setting the angle between the shell 100 and the filter element tube 130 to be set to 15°, it is convenient to increase the contact area between the filter element filtration and the lubricating oil, thereby increasing the filtration efficiency, by setting the filter element assembly to filter the lubricating oil, by setting the lubricating oil filter element 220 to pass the impurities in the lubricating oil, by setting the supporting inner tube 230 and the supporting outer tube 200 for use together, it is used to clamp and fix the lubricating oil filter element 220, thereby improving the structural strength of the lubricating oil filter element 220, and avoiding damage to the lubricating oil filter element 220 during the filtration process.

[0026] Example 2: Figure 1 The inlet end of the housing 100 is provided with a threaded port 110, and the outlet end of the housing 100 is provided with a threaded port 2 120. The threaded port 110 and the threaded port 2 120 are used to install the housing 100 in the lubricating oil pipeline of the automobile air-conditioning compressor.

[0027] The specific usage scenario of this embodiment is: by setting the threaded port 110 and the threaded port 2 120, the housing 100 can be conveniently installed in the lubricating oil pipeline of the automobile air-conditioning compressor, so as to filter the lubricating oil inside the lubricating oil pipeline of the automobile air-conditioning compressor.

[0028] Example 3: Figure 4 and Figure 5 A card slot (not marked in the figure) is opened on the inner wall of the shell 100, and the card slot is in the same direction as the filter element tube 130. The filter element tube 130 and the inner wall of the card slot cooperate to install the support outer tube 200, and the top of the support outer tube 200 is inserted into the inside of the card slot. Through holes 210 are evenly opened on the surface of the support outer tube 200. The through holes 210 are used to pass lubricating oil, and the support outer tube 200 is sealed at the connection with the inner wall of the shell 100.

[0029] The specific usage scenario of this embodiment is: by setting a card slot for installing the support outer tube 200, it has the function of supporting and positioning the support outer tube 200, thereby improving the installation accuracy of the support outer tube 200 and improving the filtering effect, and by setting a through hole 210, it is convenient for lubricating oil to pass through.

[0030] Example 4: Figure 5 and Figure 6The lubricating oil filter element 220 is set to a V-shaped structure, and the lubricating oil filter element 220 is fixedly connected at the head and tail to form an integrated structure. The thickness of the lubricating oil filter element 220 is set to 2 mm, and the height of the lubricating oil filter element 220 is 25 mm. The outer wall of the support inner tube 230 is fixedly connected with the inner wall of the lubricating oil filter element 220. The support inner tube 230 and the support outer tube 200 are used to clamp and fix the lubricating oil filter element 220. Through holes 231 are evenly opened on the surface of the support inner tube 230. The support inner tube 230, the lubricating oil filter element 220 and the support outer tube 200 cooperate to filter the lubricating oil flowing through the inside of the housing 100. The end of the filter element tube 130 is threadedly sealed with a bolt 140, and the top of the bolt 140 positions the bottom of the support inner tube 230, the lubricating oil filter element 220 and the support outer tube 200.

[0031] The specific usage scenario of this embodiment is: by setting the lubricating oil filter 220 to be a V-shaped annular structure, the surface area of ​​the lubricating oil filter 220 is increased, and the structural strength of the lubricating oil filter 220 can be enhanced, thereby avoiding the lubricating oil filter 220 from being damaged when being impacted by high-pressure lubricating oil, thereby improving the protection of the lubricating oil filter 220, and the bolt 140 is provided to seal the bottom end of the filter tube 130, and at the same time, the lubricating oil filter 220 can be replaced conveniently by controlling the bolt 140.

[0032] The working principle of the utility model is as follows: when in use, a person skilled in the art installs the housing 100 in the lubricating oil pipeline of the automobile air-conditioning compressor through the threaded port 110 and the threaded port 2 120, then plugs and installs the supporting outer tube 200 in the filter element tube 130, so that the end of the supporting outer tube 200 is inserted into the card slot inside the housing 100, then inserts the lubricating oil filter element 220 into the supporting outer tube 200, inserts the supporting inner tube 230 into the lubricating oil filter element 220, and then thread-seals the bolt 140 in the filter element tube 130. 30 end, so that the lubricating oil entering into the supporting outer tube 200, the lubricating oil filter element 220 and the supporting inner tube 230 through the inlet end of the shell 100 is filtered by the lubricating oil filter element 220, and then the filtered lubricating oil is transported to the lubricating oil pipeline of the automobile air-conditioning compressor through one side of the threaded port 120 for repeated use. When the lubricating oil filter element 220 needs to be replaced, it is only necessary to remove the bolt 140, take out the lubricating oil filter element 220, replace it with a new lubricating oil filter element 220, and then install the bolt 140 back to the bottom end of the filter element tube 130.

[0033] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A lubricating oil filter device for an automobile air-conditioning compressor, comprising a housing (100), a filter element tube (130) being fixedly mounted on the bottom outer wall of the housing (100), characterized in that: The angle between the housing (100) and the filter tube (130) is set to 15°; a filter element assembly is fixedly mounted on the inner wall of the filter tube (130); the filter element assembly comprises a supporting outer tube (200); a lubricating oil filter element (220) is fixedly mounted on the inner wall of the supporting outer tube (200); a supporting inner tube (230) is fixedly mounted on the inner wall of the lubricating oil filter element (220); and the lubricating oil filter element (220) is used to filter lubricating oil of an automobile air-conditioning compressor.

2. The automobile air-conditioning compressor lubricating oil filter device according to claim 1, characterized in that: The inlet end of the shell (100) is provided with a threaded port 1 (110), and the outlet end of the shell (100) is provided with a threaded port 2 (120). The threaded port 1 (110) and the threaded port 2 (120) are used together to install the shell (100) in a lubricating oil pipeline of an automobile air-conditioning compressor.

3. The automobile air-conditioning compressor lubricating oil filter device according to claim 1, characterized in that: The inner wall of the housing (100) is provided with a slot, the slot is in the same direction as the filter tube (130), and the filter tube (130) and the inner wall of the slot cooperate to clamp and install the supporting outer tube (200).

4. The automobile air-conditioning compressor lubricating oil filter device according to claim 3, characterized in that: The top end of the supporting outer tube (200) is inserted into the slot, and through holes (210) are evenly formed on the surface of the supporting outer tube (200).

5. The automobile air-conditioning compressor lubricating oil filter device according to claim 4, characterized in that: The through hole 1 (210) is used for passing lubricating oil, and the supporting outer tube (200) is sealedly connected to the inner wall of the shell (100) at the connection point.

6. The automobile air-conditioning compressor lubricating oil filter device according to claim 1, characterized in that: The lubricating oil filter element (220) is configured as a V-shaped structure, the lubricating oil filter element (220) is fixedly connected head to tail to form an integrated structure, the thickness of the lubricating oil filter element (220) is configured as 2 mm, and the height of the lubricating oil filter element (220) is 25 mm.

7. The automobile air-conditioning compressor lubricating oil filter device according to claim 6, characterized in that: The outer wall of the support inner tube (230) is fixedly connected with the inner wall of the lubricating oil filter element (220); the support inner tube (230) and the support outer tube (200) are used to clamp and fix the lubricating oil filter element (220); through holes (231) are evenly formed on the surface of the support inner tube (230); the support inner tube (230), the lubricating oil filter element (220) and the support outer tube (200) are used to filter the lubricating oil flowing through the interior of the housing (100).

8. The automobile air-conditioning compressor lubricating oil filter device according to claim 7, characterized in that: The end of the filter element tube (130) is threadedly sealed with a bolt (140), and the top of the bolt (140) positions the bottom end of the supporting inner tube (230), the lubricating oil filter element (220) and the supporting outer tube (200).

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