Filtering device with filter element convenient to replace

Abstract

The utility model discloses a filtering device convenient to replace a filter element, which relates to the technical field of filter element replacement, and comprises a filter box, one side of the filter box is provided with a placement groove, the placement groove is communicated with the inside of the filter box, the filter box is internally provided with a purification filter element, and an installation mechanism comprises an installation groove which is arranged on the inner side wall of the filter box. The second mounting plate is arranged in the placement groove, a threaded through hole is formed in the side, away from the placement groove, of the filter box and communicates with the mounting groove, a threaded groove is formed in the side, close to the threaded through hole, of the second mounting plate, and the diameter of the threaded through hole is consistent with that of the threaded groove. By arranging the mounting mechanism, when the threaded rod rotates in the threaded through hole and the threaded groove, the second mounting plate gets close to the threaded through hole, so that the second mounting plate is tightly attached to the fixed rubber ring, and the sealing performance of the joint of the purification filter element and the filter box is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of filter element replacement, in particular to a filtering device which is convenient for replacing the filter element. Background Art

[0002] An air filter is a type of filter, also known as an air filter cartridge, air cleaner, or style. It is mainly used for air filtration in engineering locomotives, automobiles, agricultural locomotives, laboratories, sterile operating rooms, and various precision operating rooms. However, when an air filter is used for a long time, a large amount of dust will be adsorbed on its surface, affecting the purification effect. The air filter needs to be replaced regularly. Existing air filters require the purification device to be disassembled when replaced, which takes a lot of time and affects work efficiency.

[0003] Announcement No.: CN220026444U discloses an air filter element that is easy to replace and belongs to the field of air filtration technology. It includes a filter element frame and a filter element. The filter element is arranged in the filter element frame. A clamping rod is slidingly provided on one side of the filter element. A movable fixing frame that is clamped with the clamping rod is provided on one side of the filter element frame. A plurality of first grooves are provided on the other side of the filter element frame. A plurality of second grooves are provided on the other side of the filter element. Elastic fixing parts matching the plurality of first grooves are provided in the plurality of second grooves. A pre-filtering device is provided on the upper surface of the filter element. The purpose is to facilitate the staff to replace the filter element, save time and improve work efficiency.

[0004] However, in order to ensure the convenient removal and installation of the filter element, a certain gap exists between the filter element and the interior of the device, which affects the filtering effect of the filter element. Therefore, it is necessary to provide a filtering device that is easy to replace the filter element. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcoming in the prior art that a certain gap exists between the filter element and the interior of the device, which affects the filtering effect of the filter element, and to propose a filtering device which is easy to replace the filter element.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A filter device that is easy to replace the filter element includes a filter box, a placement groove is provided on one side of the filter box, the placement groove is connected to the inside of the filter box, a purification filter element is arranged in the filter box, a first mounting plate and a second mounting plate are fixedly installed at both ends of the purification filter element, and a mounting mechanism for mounting the purification filter element is provided in the filter box, the mounting mechanism includes a mounting groove, the mounting groove is provided on the inner side wall of the filter box, the mounting groove is arranged away from the placement groove, the second mounting plate is arranged in the placement groove, a threaded through hole is provided on the side of the filter box away from the placement groove, the threaded through hole is connected to the mounting groove, a threaded groove is provided on the side of the second mounting plate close to the threaded through hole, the threaded through hole is consistent with the diameter of the threaded groove, a threaded rod is threadedly installed in the threaded through hole, and the end of the threaded rod is threadedly installed in the threaded groove.

[0008] Preferably, a fixed rubber ring is fixedly installed in the mounting groove, the inner diameter of the fixed rubber ring is larger than the diameter of the threaded through hole, and when the threaded rod rotates in the threaded groove, the second mounting plate approaches the threaded through hole;

[0009] The diameter of the second mounting plate, the outer diameter of the fixed rubber ring and the diameter of the mounting groove are consistent, and a rotating handle is fixedly installed on the other end of the threaded rod;

[0010] It is used to ensure the stability of the purification filter element and the sealing of the connection between the purification filter element and the filter box. After the purification filter element is placed in the filter box, the second mounting plate is placed in the mounting groove, and the handle is rotated to rotate the threaded rod. As the threaded rod rotates in the threaded through hole and the threaded groove, the second mounting plate approaches the threaded through hole, so that the second mounting plate is tightly fitted with the fixed rubber ring.

[0011] Preferably, a first sealed rubber ring is fixedly installed in the placement groove, the first mounting plate is arranged in the placement groove, and a second sealed rubber ring is fixedly installed on the side of the first mounting plate close to the purification filter element;

[0012] The inner diameter of the placement groove, the diameter of the first mounting plate, the outer diameter of the first sealed rubber ring and the outer diameter of the second sealed rubber ring are consistent, and when the first sealed rubber ring and the second sealed rubber ring are in contact with each other, the second mounting plate is in contact with the fixed rubber ring;

[0013] The first mounting plate is connected to an air inlet pipe on the side away from the purification filter element. The air inlet pipe passes through the first mounting plate and is connected to the interior of the purification filter element. The outer wall of the filter box is connected to an air outlet pipe.

[0014] Used to ensure the sealing of the connection between the purification filter element and the filter box, after the purification filter element is placed in the filter box, the first mounting plate is set to the mounting groove, and as the threaded rod moves the second mounting plate closer to the threaded through hole, the first mounting plate moves closer to the inside of the filter box, so that the first sealed rubber ring and the second sealed rubber ring fit tightly, ensuring the sealing of the connection between the purification filter element and the filter box.

[0015] The utility model has the following beneficial effects:

[0016] 1. By setting up the installation mechanism, after the purification filter element is placed in the filter box, the second mounting plate is placed in the mounting groove, and the handle is rotated to rotate the threaded rod. As the threaded rod rotates in the threaded through hole and the threaded groove, the second mounting plate approaches the threaded through hole, so that the second mounting plate and the fixed rubber ring are tightly fitted to ensure the sealing of the connection between the purification filter element and the filter box.

[0017] 2. By setting the first sealed rubber ring and the second sealed rubber ring, after the purification filter element is placed in the filter box, the first mounting plate is set to the mounting groove, and as the threaded rod moves the second mounting plate closer to the threaded through hole, the first mounting plate moves closer to the inside of the filter box, so that the first sealed rubber ring and the second sealed rubber ring fit tightly together, ensuring the sealing of the connection between the purification filter element and the filter box. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the external structure of a filtering device that is easy to replace the filter element proposed by the utility model;

[0019] Figure 2 This is a schematic diagram of the cross-sectional structure of the filter box of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the purification filter element of the utility model;

[0021] Figure 4 It is a structural diagram of the installation mechanism of the utility model.

[0022] In the figure: 1. Filter box; 2. Mounting groove; 3. Purification filter element; 4. First mounting plate; 5. Second mounting plate; 6. Mounting mechanism; 61. Mounting groove; 62. Threaded through hole; 63. Threaded groove; 64. Threaded rod; 65. Fixed rubber ring; 66. Rotating handle; 7. First sealed rubber ring; 8. Second sealed rubber ring; 9. Inlet pipe; 10. Outlet pipe. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0025] Reference Figure 1-4 , a filtering device that is easy to replace the filter element, includes a filter box 1, a placement groove 2 is opened on one side of the filter box 1, the placement groove 2 is communicated with the inside of the filter box 1, a purification filter element 3 is arranged in the filter box 1, and a first mounting plate 4 and a second mounting plate 5 are fixedly installed at both ends of the purification filter element 3, and a mounting mechanism 6 for mounting the purification filter element 3 is provided in the filter box 1, the mounting mechanism 6 includes a mounting groove 61, the mounting groove 61 is opened on the inner side wall of the filter box 1, the mounting groove 61 is arranged away from the placement groove 2, the second mounting plate 5 is arranged in the placement groove 2, and a threaded through hole 62 is opened on the side of the filter box 1 away from the placement groove 2, the threaded through hole 62 is communicated with the mounting groove 61, and a threaded groove 63 is opened on the side of the second mounting plate 5 close to the threaded through hole 62, the threaded through hole 62 is consistent with the diameter of the threaded groove 63, a threaded rod 64 is threadedly installed in the threaded through hole 62, and the end of the threaded rod 64 is threadedly installed in the threaded groove 63.

[0026] A fixed rubber ring 65 is fixedly installed in the mounting groove 61 . The inner diameter of the fixed rubber ring 65 is larger than the diameter of the threaded through hole 62 . When the threaded rod 64 rotates in the threaded groove 63 , the second mounting plate 5 approaches the threaded through hole 62 .

[0027] The diameter of the second mounting plate 5 , the outer diameter of the fixed rubber ring 65 and the diameter of the mounting groove 61 are consistent, and a rotating handle 66 is fixedly mounted on the other end of the threaded rod 64 .

[0028] A first sealed rubber ring 7 is fixedly installed in the placement groove 2 , the first mounting plate 4 is arranged in the placement groove 2 , and a second sealed rubber ring 8 is fixedly installed on a side of the first mounting plate 4 close to the purification filter element 3 .

[0029] The inner diameter of the mounting groove 2, the diameter of the first mounting plate 4, the outer diameter of the first sealed rubber ring 7 and the outer diameter of the second sealed rubber ring 8 are consistent. When the first sealed rubber ring 7 and the second sealed rubber ring 8 are in contact, the second mounting plate 5 is in contact with the fixed rubber ring 65.

[0030] An air inlet pipe 9 is connected to the side of the first mounting plate 4 away from the purification filter element 3 . The air inlet pipe 9 passes through the first mounting plate 4 and is connected to the interior of the purification filter element 3 . An air outlet pipe 10 is connected to the outer wall of the filter box 1 .

[0031] In the present invention, after the purification filter element 3 is placed in the filter box 1, the second mounting plate 5 is placed in the mounting groove 61, and the rotating handle 66 is rotated to rotate the threaded rod 64. As the threaded rod 64 rotates in the threaded through hole 62 and the threaded groove 63, the second mounting plate 5 approaches the threaded through hole 62, so that the second mounting plate 5 and the fixed rubber ring 65 are tightly fitted, and the first mounting plate 4 is set to the mounting groove 2. As the threaded rod 64 makes the second mounting plate 5 approach the threaded through hole 62, the first mounting plate 4 approaches the inside of the filter box 1, so that the first sealed rubber ring 7 and the second sealed rubber ring 8 are tightly fitted, ensuring the sealing of the connection between the purification filter element 3 and the filter box 1. If the purification filter element 3 needs to be disassembled, it is only necessary to rotate the rotating handle 66 in the opposite direction to loosen the purification filter element 3, and the purification filter element 3 can be replaced.

[0032] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A filter device that is easy to replace a filter element, comprising a filter box (1), a placement groove (2) is opened on one side of the filter box (1), the placement groove (2) is communicated with the interior of the filter box (1), a purification filter element (3) is arranged in the filter box (1), a first mounting plate (4) and a second mounting plate (5) are fixedly mounted on both ends of the purification filter element (3), and a mounting mechanism (6) for mounting the purification filter element (3) is arranged in the filter box (1), characterized in that: The mounting mechanism (6) comprises a mounting groove (61), the mounting groove (61) being provided on the inner side wall of the filter box (1), the mounting groove (61) being arranged away from the placement groove (2), the second mounting plate (5) being arranged in the placement groove (2), a threaded through hole (62) being provided on the side of the filter box (1) away from the placement groove (2), the threaded through hole (62) being communicated with the mounting groove (61), a threaded groove (63) being provided on the side of the second mounting plate (5) close to the threaded through hole (62), the threaded through hole (62) and the threaded groove (63) having the same diameter, a threaded rod (64) being threadedly installed in the threaded through hole (62), and the end of the threaded rod (64) being threadedly installed in the threaded groove (63).

2. A filter device that is easy to replace the filter element according to claim 1, characterized in that: A fixed rubber ring (65) is fixedly installed in the installation groove (61), and the inner diameter of the fixed rubber ring (65) is larger than the diameter of the threaded through hole (62). When the threaded rod (64) rotates in the threaded groove (63), the second installation plate (5) approaches the threaded through hole (62).

3. A filter device that is easy to replace the filter element according to claim 2, characterized in that: The diameter of the second mounting plate (5), the outer diameter of the fixed rubber ring (65) and the diameter of the mounting groove (61) are consistent, and a rotating handle (66) is fixedly mounted on the other end of the threaded rod (64).

4. The filter device for easy replacement of filter elements according to claim 3, characterized in that: A first sealed rubber ring (7) is fixedly installed in the placement groove (2), a first mounting plate (4) is arranged in the placement groove (2), and a second sealed rubber ring (8) is fixedly installed on the side of the first mounting plate (4) close to the purification filter element (3).

5. The filter device for easy replacement of filter elements according to claim 4, characterized in that: The inner diameter of the placement groove (2), the diameter of the first mounting plate (4), the outer diameter of the first sealed rubber ring (7) and the outer diameter of the second sealed rubber ring (8) are consistent, and when the first sealed rubber ring (7) and the second sealed rubber ring (8) are fitted together, the second mounting plate (5) and the fixed rubber ring (65) are fitted together.

6. The filter device for easy replacement of filter elements according to claim 1, characterized in that: The first mounting plate (4) is connected to an air inlet pipe (9) on the side away from the purification filter element (3). The air inlet pipe (9) passes through the first mounting plate (4) and is connected to the interior of the purification filter element (3). The outer wall of the filter box (1) is connected to an air outlet pipe (10).

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