Oil filter for air compressor

Abstract

The utility model relates to the technical field of air compressors, and discloses an oil filter for an air compressor, which comprises a shell, a top cover is movably connected to the upper end of the surface of the shell, a fixing device is fixedly connected to the left end of the surface side of the shell, a rotating rod is rotatably connected to the right end of the surface side of the shell, and a filter element device is arranged at the upper end in the shell. When the filter element device needs to be replaced, the fixing device is opened by 90 degrees to pull the connecting rod, the connecting column and the limiting column, then the fixing disc on the limiting column is pulled to extrude the spring, the limiting column is pulled out through the limiting groove of the sealing groove in the top cover and the limiting groove of the sealing ring on the shell, the top cover is taken up, and then the filter element device is replaced. Then a rotating rod is rotated to drive a threaded rod to rotate, the threaded rod is rotated to drive a threaded sleeve to move, the threaded sleeve is moved to drive a fixing plate to be taken out through a fixing groove in a connecting disc, then the filter element device is taken out, and it is guaranteed that the filter element device is rapidly mounted and dismounted.

Description

Technical Field

[0001] The utility model relates to the technical field of air compressors, in particular to an oil filter for air compressors. Background Art

[0002] An air compressor is a device used to compress gas. An air compressor is similar in construction to a water pump. Most air compressors are reciprocating piston, rotary vane or rotary screw.

[0003] After searching, the utility model patent announcement number is CN 212958994 U. The utility model discloses an oil filter for an air compressor, including a housing, a coarse filter core is provided on the inner bottom surface of the housing, a fine filter core is provided on the inner bottom surface of the coarse filter core, the coarse filter core and the fine filter core are both cylindrical, the upper end of the housing is provided with an upper cover for fixing the coarse filter core and the fine filter core in the housing, a through hole is provided on the upper cover and connected to the inner cavity of the fine filter core, a gap is provided between the coarse filter core and the fine filter core, a plurality of rubber balls are provided in the gap, an outlet is provided on the upper cover and connected to the gap, a cover body is provided on the outlet, a filter chamber is formed between the outer side of the coarse filter core and the housing, an oil inlet is provided on the upper cover and connected to the filter chamber, and a plurality of metal adsorption components are evenly distributed around the inner edge of the filter chamber. Advantages of this utility model: clear division of labor and more efficient filtration.

[0004] Long-term use will cause blockage and oil filter flow obstruction. The filter element replacement process of existing devices is cumbersome, the replacement efficiency is low, the operation is difficult, the adaptability is low, and the use limitations are high. Utility Model Content

[0005] The utility model aims to provide an oil filter for an air compressor, which solves the problems of complex equipment structure, low practicability and limited feeding direction proposed in the background technology.

[0006] An embodiment of the present application provides an oil filter for an air compressor, comprising a shell, a top cover movably connected to the upper surface of the shell, a fixing device fixedly connected to the left surface end of the shell, a rotating rod rotatably connected to the right surface end of the shell, a filter element is provided at the upper internal end of the shell, and a connecting plate is fixedly connected to the lower surface end of the filter element.

[0007] By adopting the above technical solution, when the filter element needs to be replaced, the fixing device is opened 90 degrees to pull the connecting rod, connecting column and limiting column, and then the fixing plate on the limiting column is pulled to squeeze the spring, and the limiting column is pulled out through the limiting groove of the sealing groove on the top cover and the limiting groove of the sealing ring on the outer shell, and the top cover is picked up, and then the rotating rod is rotated to drive the threaded rod to rotate, and the rotating threaded rod drives the threaded sleeve to move, and the moving threaded sleeve drives the fixing plate to be taken out through the fixing groove on the connecting plate, and then the filter element is taken out.

[0008] Optionally, the left end of the surface side of the fixing device is fixedly connected to a connecting rod, the left end of the surface side of the connecting rod is fixedly connected to a connecting column, the left end of the surface side of the connecting column is fixedly connected to a limiting column, and the upper surface end of the limiting column is slidably connected to a spring.

[0009] By adopting the above technical solution, the parts can be quickly disassembled and installed.

[0010] Optionally, a threaded rod is fixedly connected to the left end of the surface side of the rotating rod, a threaded sleeve is threadedly connected to the upper end of the surface of the threaded rod, and a fixing plate is fixedly connected to the upper end of the surface of the threaded sleeve.

[0011] By adopting the above technical solution, the parts can be quickly disassembled and installed.

[0012] Optionally, a fixing groove is provided at the inner right end of the connecting disk.

[0013] By adopting the above technical solution, the parts can be fixed and the overall rapid disassembly and installation can be enhanced.

[0014] Optionally, a sealing ring is fixedly connected to the upper end of the surface of the shell, and a limiting groove is provided at the inner left end of the sealing ring.

[0015] By adopting the above technical solution, the parts can be fixed and quickly disassembled.

[0016] Optionally, a rotating disk is fixedly connected to the right end of the surface side of the rotating rod.

[0017] By adopting the technical solution, it is convenient for users to rotate.

[0018] Optionally, a sealing groove is provided at the inner lower end of the top cover, and a limiting groove is provided at the inner left end of the sealing groove.

[0019] By adopting the above technical solution, the parts can be fixed and quickly disassembled.

[0020] Optionally, a non-slip layer is provided on the surface of the fixing device.

[0021] By adopting the above technical solution, the user is prevented from slipping during use.

[0022] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0023] The technical solution of the present application is that when the filter element needs to be replaced, the fixing device is opened 90 degrees so that the connecting rod, the connecting column and the limiting column are pulled, and then the fixing plate on the limiting column is pulled to squeeze the spring, the limiting column is pulled out through the limiting groove of the sealing groove on the top cover and the limiting groove of the sealing ring on the outer shell, the top cover is picked up, and then the rotating rod is rotated to drive the threaded rod to rotate, the rotating threaded rod drives the threaded sleeve to move, and the moving threaded sleeve drives the fixing plate to be taken out through the fixing groove on the connecting plate, and then the filter element is taken out, so as to ensure the rapid installation and disassembly of the filter element. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0025] Figure 1 This is a schematic diagram of the overall structure of an oil filter for an air compressor of the utility model;

[0026] Figure 2 This is a schematic diagram of the structure of a fixing device for an oil filter for an air compressor according to the utility model;

[0027] Figure 3 This is a schematic diagram of the structure of a threaded sleeve of an oil filter for an air compressor according to the utility model;

[0028] Figure 4 The utility model is a schematic diagram of the spring structure of an oil filter for an air compressor.

[0029] In the figure: 1. outer shell; 2. top cover; 3. fixing device; 301. connecting rod; 302. connecting column; 303. spring; 304. limiting column; 305. fixing plate; 4. rotating rod; 401. threaded rod; 402. threaded sleeve; 403. fixing plate; 5. filter element; 6. connecting plate. DETAILED DESCRIPTION

[0030] See also Figure 1-4 The utility model provides a technical solution: an oil filter for an air compressor, comprising a shell 1, a top cover 2 is movably connected to the upper surface of the shell 1, a fixing device 3 is fixedly connected to the left surface side of the shell 1, a rotating rod 4 is rotatably connected to the right surface side of the shell 1, a filter element 5 is arranged at the upper internal end of the shell 1, and a connecting plate 6 is fixedly connected to the lower surface end of the filter element 5.

[0031] In the above technical solution, when the filter element 5 needs to be replaced, the fixing device 3 is opened 90 degrees so that the connecting rod 301, the connecting column 302, and the limiting column 304 are pulled, and then the fixed plate 305 on the limiting column 304 is pulled to squeeze the spring 303, and the limiting column 304 is pulled out through the limiting groove of the sealing groove on the top cover 2 and the limiting groove of the sealing ring on the outer shell 1, and the top cover 2 is picked up, and then the rotating rod 4 is rotated to drive the threaded rod 401 to rotate, and the rotating threaded rod 401 drives the threaded sleeve 402 to move, and the moving threaded sleeve 402 drives the fixing plate 403 to be taken out through the fixing groove on the connecting plate 6, and then the filter element 5 is taken out.

[0032] In the technical solution of the utility model, if Figure 2 and Figure 4 As shown, the left end of the surface side of the fixing device 3 is fixedly connected with a connecting rod 301, the left end of the surface side of the connecting rod 301 is fixedly connected with a connecting column 302, the left end of the surface side of the connecting column 302 is fixedly connected with a limiting column 304, and the upper end of the surface of the limiting column 304 is slidably connected with a spring 303 to ensure quick disassembly and installation of parts.

[0033] In the technical solution of the utility model, if Figure 3 As shown, the left end of the surface side of the rotating rod 4 is fixedly connected with a threaded rod 401, the upper end of the surface of the threaded rod 401 is threadedly connected with a threaded sleeve 402, and the upper end of the surface of the threaded sleeve 402 is fixedly connected with a fixing plate 403, so as to ensure the rapid disassembly and installation of parts.

[0034] In the technical solution of the utility model, if Figure 3 As shown, a fixing groove is provided at the right end of the inner part of the connecting plate 6 to ensure the fixing of the parts and enhance the overall rapid disassembly and installation.

[0035] In the technical solution of the utility model, if Figure 1 As shown, a sealing ring is fixedly connected to the upper end of the surface of the housing 1, and a limiting groove is provided at the inner left end of the sealing ring to ensure the fixation of the parts and facilitate quick disassembly.

[0036] In the technical solution of the utility model, if Figure 3 As shown, a rotating disk is fixedly connected to the right end of the surface side of the rotating rod 4 to facilitate rotation by the user.

[0037] In the technical solution of the utility model, if Figure 2 As shown, a sealing groove is provided at the inner lower end of the top cover 2, and a limiting groove is provided at the inner left end of the sealing groove to ensure the fixation of the parts and facilitate quick disassembly.

[0038] In the technical solution of the utility model, if Figure 1As shown, the surface of the fixing device 3 is provided with an anti-slip layer to prevent the user from slipping during use.

[0039] During use, when the filter element 5 needs to be replaced, the fixing device 3 is opened 90 degrees so that the connecting rod 301, the connecting column 302, and the limiting column 304 are pulled, and then the fixed plate 305 on the limiting column 304 is pulled to squeeze the spring 303, and the limiting column 304 is pulled out through the limiting groove of the sealing groove on the top cover 2 and the limiting groove of the sealing ring on the outer shell 1, and the top cover 2 is picked up, and then the rotating rod 4 is rotated to drive the threaded rod 401 to rotate, and the rotating threaded rod 401 drives the threaded sleeve 402 to move, and the moving threaded sleeve 402 drives the fixing plate 403 to be taken out through the fixing groove on the connecting plate 6, and then the filter element 5 is taken out.

Claims

1. An oil filter for an air compressor, comprising a housing (1), characterized in that: The upper surface end of the shell (1) is movably connected to a top cover (2), the left surface end of the shell (1) is fixedly connected to a fixing device (3), the right surface end of the shell (1) is rotatably connected to a rotating rod (4), the upper internal end of the shell (1) is provided with a filter element (5), and the lower surface end of the filter element (5) is fixedly connected to a connecting plate (6).

2. An oil filter for an air compressor according to claim 1, characterized in that: The left end of the front side of the fixing device (3) is fixedly connected to a connecting rod (301), the left end of the front side of the connecting rod (301) is fixedly connected to a connecting column (302), the left end of the front side of the connecting column (302) is fixedly connected to a limiting column (304), the left end of the front side of the limiting column (304) is fixedly connected to a fixing plate (305), and the right end of the front side of the fixing plate (305) is fixedly connected to a spring (303).

3. The oil filter for an air compressor according to claim 1, characterized in that: The left end of the surface side of the rotating rod (4) is fixedly connected to a threaded rod (401), the upper surface end of the threaded rod (401) is threadedly connected to a threaded sleeve (402), and the upper surface end of the threaded sleeve (402) is fixedly connected to a fixing plate (403).

4. The oil filter for an air compressor according to claim 1, characterized in that: A fixing groove is provided at the inner right end of the connecting plate (6).

5. The oil filter for an air compressor according to claim 1, characterized in that: A sealing ring is fixedly connected to the upper end of the surface of the housing (1), and a limiting groove is provided at the inner left end of the sealing ring.

6. The oil filter for an air compressor according to claim 1, characterized in that: The right end of the front side of the rotating rod (4) is fixedly connected with a rotating disk.

7. The oil filter for an air compressor according to claim 1, characterized in that: A sealing groove is provided at the inner lower end of the top cover (2), and a limiting groove is provided at the inner left end of the sealing groove.

8. The oil filter for an air compressor according to claim 1, characterized in that: The surface of the fixing device (3) is provided with an anti-slip layer.

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