Oil filter with filter element convenient to replace

Abstract

The utility model relates to the field of oil filters, and discloses an oil filter with a filter element convenient to replace, which comprises a shell, a threaded groove is arranged on the periphery of the top of the shell, a top cover is in threaded connection with the surface of the threaded groove, a discharge port is arranged in the middle of the top of the top cover, and feed ports are arranged on two sides of the top of the top cover. And the filtering mechanism comprises a mounting frame, a filter element is in lap joint with the inner wall of the mounting frame, a movable groove is formed in the bottom of the inner wall of the mounting frame, a clamping block is slidably connected with the inner wall of the movable groove, and a spring is arranged on one side of the clamping block. According to the oil filter, through the clamping block with the arc-shaped bottom, the side, with the arc, of the clamping block can be attached to the surface of the filter element to be clamped into the bottom of the filter element, so that the filter element is fixed, the oil filter adopts a detachable mode, a worker can conveniently open the oil filter and replace the filter element in the oil filter, and the oil filter is convenient to use. Therefore, the filtering effect of the oil filter can be effectively maintained.

Description

Technical Field

[0001] The utility model relates to the technical field of oil filters, in particular to an oil filter convenient for replacing the filter element. Background Technique

[0002] The oil filter can filter the particulate impurities in the hydraulic oil, thereby avoiding abrasion of the hydraulic components. Since the filter element in the oil filter needs to be replaced after being used for a period of time, an oil filter convenient for replacing the filter element is required. Therefore, an existing oil filter convenient for replacing the filter element has been continuously innovated and developed. It can be seen that the current oil filter convenient for replacing the filter element basically meets people's needs, but there are still some problems.

[0003] For example, the patent document with the publication number of CN213766150U discloses an oil filter structure, including an oil filter welding part. The oil filter welding part includes a cylinder body. A sealing end cover is welded and fixed at the first end of the cylinder body. An oil outlet pipe is fixed on the sealing end cover. A gear pump connection flange is fixed at the first end of the oil outlet pipe. A pull rod is fixed at the second end of the oil outlet pipe. The pull rod is located inside the cylinder body. A filter element is sleeved outside the pull rod. A limiting structure for limiting the filter element is arranged on the pull rod. A large end cover is fixed at the second end of the cylinder body. The oil filter of the utility model is more convenient to install, reduces the time occupied by the installation process, and saves the assembly cost. By setting the cylinder body and the sealing end cover, the oil filter is more convenient to install, reduces the time occupied by the installation process, and saves the assembly cost.

[0004] However, when disassembling the oil filter to replace the filter element, since its structure is fixed by bolts and nuts, its installation and disassembly methods are relatively simple, but it needs to rely on other equipment for auxiliary operations, which will inevitably reduce the efficiency of the staff in replacing the filter element. Therefore, there is an urgent need for an oil filter convenient for replacing the filter element to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide an oil filter convenient for replacing the filter element to solve the problem of relying on other equipment for auxiliary disassembly of the filter in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution. An oil filter convenient for replacing the filter element is disclosed, including a housing. Threaded grooves are opened at the four peripheral parts of the top of the housing. A top cover is threadedly connected to the surface of the threaded grooves. A discharge port is opened in the middle of the top of the top cover. Feed ports are opened on both sides of the top of the top cover;

[0007] Filter mechanism, including an installation frame, the inner wall of the installation frame is lapped with a filter element, the bottom of the inner wall of the installation frame is provided with a movable groove, the inner wall of the movable groove is slidably connected with a clamping block, one side of the clamping block is provided with a spring, and the bottom of the filter element is lapped on the top of the clamping block.

[0008] As a preferred technical solution of the present invention, both sides of the outer shell are rotatably connected with fixing plates, the top of the fixing plates is threadedly connected with threaded rods, and grooves are provided on both sides of the top of the top cover.

[0009] As a preferred technical solution of the present invention, the top end of the threaded rod is fixedly connected with a handwheel, the bottom end of the threaded rod is fixedly connected with a gasket, and the bottom of the gasket is lapped on the inner wall of the groove.

[0010] As a preferred technical solution of the present invention, the inner top wall of the outer shell is fixedly connected with a support frame, and the filter element is lapped on the bottom of the support frame.

[0011] As a preferred technical solution of the present invention, the bottom of the top cover is fixedly connected with a sleeve, and a communication groove is provided on the surface of the sleeve.

[0012] As a preferred technical solution of the present invention, sealing rings are fixedly connected to both sides of the bottom of the top cover, and one side of the sealing ring is lapped on the inner wall of the outer shell.

[0013] As a preferred technical solution of the present invention, the cross section of the clamping block is arc-shaped, and the surface of the clamping block is slidably connected to the inner wall of the movable groove.

[0014] As a preferred technical solution of the present invention, the filter element is concave-shaped, and the top of the filter element is located at the bottom of the top cover.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0016] 1. In the present invention, by rotating the top cover to remove the oil filter, when replacing the filter element, the two clamping blocks are pushed into the installation frame, so as to release the fixation of the filter element. After taking out the filter element, a new filter element can be inserted into the installation frame. Since the bottom of the clamping block is arc-shaped, the arc-shaped side of the clamping block can fit the surface of the filter element and be clamped into the bottom of the filter element, so as to fix the filter element. This oil filter adopts a detachable method and does not require other equipment for auxiliary operation, which is convenient for the staff to disassemble the oil filter and replace the filter element inside the oil filter, which can not only maintain the filtering effect of the oil filter but also improve the working efficiency of the equipment.

[0017] 2. By rotating the handwheel of the present utility model, the gasket at the bottom is driven to descend. After the gasket descends, it is stuck into the groove, thereby pressing the top cover, enabling the top cover to effectively fit on the top of the housing, avoiding the situation where the top cover and the housing fall off after the filter oiler vibrates during operation when relying solely on the threaded groove to fix the filter oiler, thus improving the safety during equipment use. Brief Description of the Drawings

[0018] Figure 1 is a three-dimensional structure diagram of the equipment of the present utility model;

[0019] Figure 2 is an internal structure diagram of the housing of the present utility model;

[0020] Figure 3 is a sectional structure diagram of the housing of the present utility model;

[0021] Figure 4 is a bottom structure diagram of the top cover of the present utility model;

[0022] Figure 5 is a three-dimensional structure diagram of the fixing plate of the present utility model;

[0023] Figure 6 is a three-dimensional structure diagram of the filter element of the present utility model;

[0024] Figure 7 is an enlarged structure diagram of the clamping block of the present utility model.

[0025] In the figure: 1. Housing; 2. Threaded groove; 3. Top cover; 4. Sealing ring; 5. Discharge port; 6. Feed port; 7. Installation frame; 8. Filter element; 9. Movable groove; 10. Clamping block; 11. Spring; 12. Fixing plate; 13. Threaded rod; 14. Handwheel; 15. Gasket; 16. Support frame; 17. Sleeve; 18. Communication groove; 19. Groove. Detailed Embodiment

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0027] Please refer to Figure 1 、 Figure 4 and Figure 7 , a filter oiler for conveniently replacing the filter element: including a housing 1, threaded grooves 2 are provided at the four circumferences of the top of the housing 1, a top cover 3 is threadedly connected to the surface of the threaded grooves 2, a discharge port 5 is provided in the middle of the top of the top cover 3, and feed ports 6 are provided on both sides of the top of the top cover 3;

[0028] The filtering mechanism includes an installation frame 7. A filter element 8 is lapped on the inner wall of the installation frame 7. An activity groove 9 is opened at the bottom of the inner wall of the installation frame 7. A clamping block 10 is slidably connected to the inner wall of the activity groove 9. A spring 11 is arranged on one side of the clamping block 10, and the bottom of the filter element 8 is lapped on the top of the clamping block 10.

[0029] When using the oil filter, hydraulic oil enters the housing 1 through the feed port 6, and the hydraulic oil is filtered by the filter element 8. The filtered oil is then discharged through the discharge port 5. When it is necessary to replace the filter element 8 of the oil filter, first rotate the top cover 3 and remove the top cover 3. Then push the clamping block 10 into the installation frame 7. After pushing the clamping block 10 into the installation frame 7, the fixation of the filter element 8 is released. At this time, the filter element 8 can be directly taken out of the installation frame 7. After taking out the used filter element 8, lap the top of the new filter element 8 to the bottom of the clamping block 10. Since one side of the bottom of the clamping block 10 is arc-shaped, the filter element 8 can be pushed into the installation frame 7 by fitting the bottom of the clamping block 10. After pushing the filter element 8 into the installation frame 7, the spring 11 pushes the clamping block 10 to reset. The top of the clamping block 10 is flat, and the flat part of the top of the clamping block 10 supports the bottom of the filter element 8 after reset, thereby fixing the filter element 8 in the installation frame 7. Then fix the top cover 3 to the top of the housing 1 through the threaded groove 2.

[0030] Please refer to Figure 2 、 Figure 3 and Figure 5 As shown in, two fixing plates 12 are rotatably connected to both sides of the housing 1. A threaded rod 13 is threadedly connected to the top of the fixing plate 12. Grooves 19 are opened on both sides of the top of the top cover 3. A handwheel 14 is fixedly connected to the top end of the threaded rod 13. A gasket 15 is fixedly connected to the bottom end of the threaded rod 13, and the bottom of the gasket 15 is lapped on the inner wall of the groove 19.

[0031] After installing the top cover 3 on the top of the housing 1, rotate the fixing plate 12 so that one side of the fixing plate 12 fits against one side of the top cover 3. Then rotate the handwheel 14. The rotation of the handwheel 14 drives the threaded rod 13 at the bottom to rotate. The threaded rod 13 descends by rotation. The descent of the threaded rod 13 drives the gasket 15 at the bottom to descend. After the gasket 15 descends, it is clamped into the groove 19, thereby pressing the top cover 3 and further fixing the top cover 3.

[0032] Please refer to Figure 3 and Figure 4 As shown in, a support frame 16 is fixedly connected to the inner top wall of the housing 1, and the filter element 8 is lapped on the bottom of the support frame 16. A sleeve 17 is fixedly connected to the bottom of the top cover 3, and a communication groove 18 is opened on the surface of the sleeve 17.

[0033] The support frame 16 on the inner top wall of the outer shell 1 can support and fix the bottom of the filter element 8 in the installation frame 7. The filtered hydraulic oil can enter the area between the outer shell 1 through the communication groove 18 on the surface of the sleeve 17. The sleeve 17 can provide a certain flow space for the filtered hydraulic oil.

[0034] Please refer to Figure 4 and Figure 6 On both sides of the bottom of the top cover 3, there are fixed seals 4, and one side of the seal 4 overlaps the inner wall of the outer shell 1. The cross-section of the clamping block 10 is arc-shaped, and the surface of the clamping block 10 is slidably connected to the inner wall of the movable groove 9. The filter element 8 is concave, and the top of the filter element 8 is located at the bottom of the top cover 3.

[0035] The seal 4 can fill the gap between the top cover 3 and the outer shell 1. The arc shape at the bottom of the clamping block 10 can fit into the top of the filter element 8 and be inserted into the installation frame 7. The concave shape of the filter element 8 can wrap the sleeve 17.

[0036] Working principle: When using an oil filter with a conveniently replaceable filter element, the hydraulic oil enters the outer shell 1 through the feed port 6, and then the hydraulic oil is filtered by the filter element 8. The filtered hydraulic oil enters the middle part inside the outer shell 1 through the communication groove 18 on the surface of the sleeve 17, and finally is discharged through the discharge port 5 at the top of the top cover 3. When it is necessary to replace the filter element 8, first rotate the fixing plate 12 to move it away from the top cover 3, then rotate the top cover 3 to open it, push the clamping block 10 into the installation frame 7 to take out the filter element 8, then snap a new filter element 8 into the installation frame 7, and then fix the top cover 3 to the top of the outer shell 1 through the threaded groove 2.

[0037] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. An oil filter that is convenient for replacing the filter element, including a housing (1), characterized in that: Threaded grooves (2) are provided around the top of the housing (1), and a top cover (3) is threadedly connected to the surface of the threaded grooves (2). A discharge port (5) is provided in the middle of the top of the top cover (3), and feed ports (6) are provided on both sides of the top of the top cover (3). The filtering mechanism includes a mounting frame (7). A filter element (8) is lapped on the inner wall of the mounting frame (7). A movable groove (9) is provided at the bottom of the inner wall of the mounting frame (7). A clamping block (10) is slidably connected to the inner wall of the movable groove (9). A spring (11) is provided on one side of the clamping block (10), and the bottom of the filter element (8) is lapped on the top of the clamping block (10).

2. The oil filter for conveniently replacing the filter element according to claim 1, wherein: Fixing plates (12) are rotatably connected to both sides of the housing (1). A threaded rod (13) is threadedly connected to the top of the fixing plate (12). Grooves (19) are provided on both sides of the top of the top cover (3).

3. The oil filter for conveniently replacing the filter element according to claim 2, characterized in that: The top end of the threaded rod (13) is fixedly connected to a handwheel (14). The bottom end of the threaded rod (13) is fixedly connected to a gasket (15), and the bottom of the gasket (15) is lapped on the inner wall of the groove (19).

4. The oil filter according to claim 1, which is convenient for replacing the filter element, is characterized in that: A support frame (16) is fixedly connected to the inner top wall of the housing (1), and the filter element (8) is lapped on the bottom of the support frame (16).

5. The oil filter according to claim 1, which is convenient for replacing the filter element, is characterized in that: A sleeve (17) is fixedly connected to the bottom of the top cover (3). A communication groove (18) is provided on the surface of the sleeve (17).

6. The oil filter according to claim 1, which is convenient for replacing the filter element, is characterized in that: Sealing rings (4) are fixedly connected to both sides of the bottom of the top cover (3), and one side of the sealing ring (4) is lapped on the inner wall of the housing (1).

7. The oil filter for conveniently replacing the filter element according to claim 1, characterized in that: The cross section of the clamping block (10) is arc-shaped, and the surface of the clamping block (10) is slidably connected to the inner wall of the movable groove (9).

8. A fuel filter with a conveniently replaceable filter element according to claim 1, characterized in that: The filter element (8) is concave-shaped, and the top of the filter element (8) is located at the bottom of the top cover (3).

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