CN220238073U

CN220238073U - Sealing structure for PTFE air filter element

Info

Publication number: CN220238073U
Application number: CN202320535364.4U
Authority: CN
Inventors: 王运友; 何平; 夏小丰
Original assignee: Changzhou Jinchun Environmental Protection Technology Co ltd
Current assignee: Changzhou Jinchun Environmental Protection Technology Co ltd
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-12-26
Anticipated expiration: 2033-03-20

Abstract

The utility model discloses a sealing structure for a PTFE air filter element, which comprises a shell, wherein a through hole is formed in the top of the shell, a fixed block is movably connected in the through hole, a filter plate is fixedly connected to the bottom of the fixed block, a convex rubber ring is sleeved on the surface of the fixed block, a concave rubber ring is fixedly connected to the inner wall of the through hole, the convex rubber ring is movably connected with the concave rubber ring, and a first magnet ring is sleeved on the surface of the fixed block. According to the utility model, through the arrangement of the shell, the through hole, the fixed block, the filter plate, the convex rubber ring, the concave rubber ring, the first magnet ring, the second magnet ring, the first rubber ring, the pressing plate frame, the supporting frame, the pressure spring and the guide rod, the problem that the sealing effect is poor due to the fact that the sealing structure for the traditional PTFE air filter core seals the gap between the PTFE filter core and the filter frame in a mode of installing a sealing gasket at the gap is single in sealing structure is solved.

Description

Sealing structure for PTFE air filter element

Technical Field

The utility model relates to the technical field of PTFE air filter elements, in particular to a sealing structure for a PTFE air filter element.

Background

The PTFE filter element is called polytetrafluoroethylene filter element and fluorine membrane filter element, the filter medium is hydrophobic polytetrafluoroethylene microporous filter membrane, the PTFE filter element is replaceable, in order to improve the filtering effect, a plurality of PTFE filter elements are generally placed in a filter frame, if a certain PTFE filter element needs to be replaced, the PTFE filter element is directly pulled out of the filter frame, a gap exists between the PTFE filter element and the filter frame, and in order to improve the filtering effect, a sealing structure is generally adopted to seal the gap.

The sealing structure for the PTFE air filter element is used for sealing the gap between the PTFE filter element and the filter frame in a mode of installing a sealing gasket at the gap, and the sealing structure is single in the mode, so that the sealing effect is poor, the sealing structure for the PTFE air filter element is required to be designed and improved, and the phenomenon that the sealing effect is poor due to the single sealing structure is effectively prevented.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model aims to provide a sealing structure for a PTFE air filter element, which has the advantage of good sealing effect, and solves the problems that the sealing structure for the PTFE air filter element in the prior art often seals a gap between the PTFE filter element and a filter frame in a mode of installing a sealing gasket at the gap, and the sealing structure is single in the mode, so that the sealing effect is poor.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a PTFE air is seal structure for filter core, includes the shell, the opening has been seted up at the top of shell, the inside swing joint of opening has the fixed block, the bottom fixedly connected with filter plate of fixed block, the surface cover of fixed block is equipped with the convex rubber ring, the inner wall fixedly connected with concave rubber ring of opening, convex rubber ring and concave rubber ring swing joint, the surface cover of fixed block is equipped with first magnet ring, the inner wall fixedly connected with second magnet ring of opening, first magnet ring and second magnet ring swing joint, the surface of fixed block and the top cover that is located the convex rubber ring are equipped with first rubber ring, first rubber ring and shell swing joint, the top swing joint of first rubber ring has the clamp plate frame, the equal fixedly connected with support frame of front side and rear side of shell, one side fixedly connected with that the support frame is close to the shell, the one end fixedly connected with of support frame is kept away from to the pressure spring, the front side and the rear side of pressure all are provided with draw-in groove, the surface and the top of clamp plate frame and the clamp plate frame of guide extend to the support frame below the clamp plate frame.

As preferable in the utility model, a pull ring is fixedly connected to one side of the guide rod far away from the shell.

Preferably, the top of the fixed block is fixedly connected with a handle.

Preferably, the surface of the handle is fixedly connected with a rubber sleeve.

As the preferable mode of the utility model, the surface of the fixed block is sleeved with a second rubber ring, and the second rubber ring is movably connected with the through hole.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the arrangement of the shell, the through hole, the fixed block, the filter plate, the convex rubber ring, the concave rubber ring, the first magnet ring, the second magnet ring, the first rubber ring, the pressure plate frame, the support frame, the pressure spring and the guide rod, the problem that the sealing effect is poor due to the fact that the sealing structure for the traditional PTFE air filter core often adopts a sealing gasket mounting mode at the gap to seal the gap between the PTFE filter core and the filter frame is single in the sealing structure is solved, when the sealing structure is used, an operator places the fixed block into the through hole, the first magnet ring is in contact with the second magnet ring, the first magnet ring is tightly attached to the second magnet ring due to the attraction between the first magnet ring and the second magnet ring, the convex rubber ring is attached to the concave rubber ring, the sealing effect is improved by increasing the contact area between the convex rubber ring and the concave rubber ring, the second stage sealing treatment is carried out, and then the guide rod is pulled to one side far away from the shell by the operator, the guide rod is driven to move to one side far away from the shell, the guide rod is enabled to be tightly attached to the guide rod, and then the guide rod is enabled to be pressed down close to the clamping groove, and the clamping groove is enabled to be pressed down tightly, and the sealing effect is improved until the sealing effect is improved.

2. The utility model can facilitate operators to pull the guide rod through the arrangement of the pull ring.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a right side schematic view of the structure of the present utility model;

FIG. 3 is an enlarged schematic view of the structure A in FIG. 1 according to the present utility model;

fig. 4 is an enlarged schematic view of the structure at B in fig. 2 according to the present utility model.

In the figure: 1. a housing; 2. a through port; 3. a fixed block; 4. a filter plate; 5. a male rubber ring; 6. a concave rubber ring; 7. a first magnet ring; 8. a second magnet ring; 9. a first rubber ring; 10. pressing plate frame; 11. a support frame; 12. a pressure spring; 13. a guide rod; 14. a pull ring; 15. a second rubber ring; 16. a handle; 17. a rubber sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 4, a sealing structure for a PTFE air filter element comprises a housing 1, the opening 2 is provided at the top of the housing 1, the inside swing joint of the opening 2 has a fixed block 3, the bottom fixedly connected with filter plate 4 of the fixed block 3, the surface cover of the fixed block 3 is equipped with a convex rubber ring 5, the inner wall fixedly connected with concave rubber ring 6 of the opening 2, convex rubber ring 5 and concave rubber ring 6 swing joint, the surface cover of the fixed block 3 is equipped with a first magnet ring 7, the inner wall fixedly connected with second magnet ring 8 of the opening 2, first magnet ring 7 and second magnet ring 8 swing joint, the surface of the fixed block 3 and the top cover that is located convex rubber ring 5 are equipped with a first rubber ring 9, first rubber ring 9 and housing 1 swing joint, the top swing joint of first rubber ring 9 has a clamp plate frame 10, the front side and the rear side of housing 1 all are fixedly connected with support frame 11, one side fixedly connected with pressure spring 12 near the housing 1 of support frame 11, one end fixedly connected with 13 of pressure spring 12 keeps away from support frame 11, the front side and rear side and clamp arm 10 are provided with clamp groove 11 and extend to the support frame 11 below the clamp groove 11.

Referring to fig. 2 and 4, a pull ring 14 is fixedly connected to a side of the guide rod 13 remote from the housing 1.

As a technical optimization scheme of the utility model, the guide rod 13 can be conveniently pulled by an operator through the arrangement of the pull ring 14.

Referring to fig. 1 to 3, a handle 16 is fixedly coupled to the top of the fixing block 3.

As a technical optimization scheme of the utility model, through the arrangement of the handle 16, an operator can conveniently pull the fixed block 3 and further pull the filter plate 4, so that the operator can conveniently take out the filter plate 4 from the shell 1.

Referring to fig. 1 to 3, a rubber boot 17 is fixedly attached to the surface of the handle 16.

As a technical optimization scheme of the utility model, through the arrangement of the rubber sleeve 17, the phenomenon of hand grinding of an operator can be prevented when the operator pulls the fixed block 3.

Referring to fig. 1 and 3, a second rubber ring 15 is sleeved on the surface of the fixed block 3, and the second rubber ring 15 is movably connected with the through hole 2.

As a technical optimization scheme of the present utility model, the sealing effect of the device can be further improved by the arrangement of the second rubber ring 15.

The working principle and the using flow of the utility model are as follows: when the sealing device is used, an operator places the fixed block 3 into the through hole 2, the first magnet ring 7 is in contact with the second magnet ring 8, the first magnet ring 7 is tightly attached to the second magnet ring 8 due to the attraction between the first magnet ring 7 and the second magnet ring 8, so that the first-stage sealing treatment is realized, at the moment, the convex rubber ring 5 is attached to the concave rubber ring 6, the sealing effect is improved by increasing the contact area between the convex rubber ring 5 and the concave rubber ring 6, so that the second-stage sealing treatment is carried out, at the moment, the first rubber ring 9 is attached to the shell 1, then the operator pulls the guide rod 13 to the side far away from the shell 1, drives the guide rod 13 to move to the side far away from the shell 1, so that the guide rod 13 is separated from the clamping groove, then the operator presses the pressing plate frame 10 downwards, so that the pressing plate frame 10 has downward pressure on the first rubber ring 9, so that the tightness between the first rubber ring 9 and the shell 1 is improved, at the moment, when the pressing to the lowest, the operator releases 13, under the action of the pressure spring 12, the guide rod 13 is moved to the side close to the clamping groove 15 until the side close to the shell 1, so that the guide rod 13 is tightly attached to the clamping groove 15 is carried out on the side of the inner wall of the shell, so that the third-stage sealing treatment is carried out, and the third-stage sealing treatment is carried out.

To sum up: this PTFE air is seal structure for filter core, through shell 1, opening 2, fixed block 3, filter plate 4, convex rubber ring 5, concave rubber ring 6, first magnet ring 7, second magnet ring 8, first rubber ring 9, clamp plate frame 10, support frame 11, pressure spring 12 and guide arm 13's setting, solved current PTFE air and crossed seal structure and often adopted the mode of installing sealed pad in gap department to seal the gap between PTFE filter core and the filter frame, this mode seal structure is single, lead to the poor problem of sealed effect.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PTFE air filter core seal arrangement, includes shell (1), its characterized in that: the utility model discloses a filter plate, including shell (1) and fixed block, opening (2) has been seted up at the top of shell (1), the inside swing joint of opening (2) has fixed block (3), the bottom fixedly connected with filter plate (4) of fixed block (3), the surface cover of fixed block (3) is equipped with convex rubber ring (5), the inner wall fixedly connected with spill rubber ring (6) of opening (2), convex rubber ring (5) and spill rubber ring (6) swing joint, the surface cover of fixed block (3) is equipped with first magnet ring (7), the inner wall fixedly connected with second magnet ring (8) of opening (2), the first magnet ring (7) is movably connected with the second magnet ring (8), a first rubber ring (9) is sleeved on the surface of the fixed block (3) and positioned above the convex rubber ring (5), the first rubber ring (9) is movably connected with the shell (1), the top of the first rubber ring (9) is movably connected with a pressing plate frame (10), the front side and the rear side of the shell (1) are fixedly connected with a supporting frame (11), one side of the supporting frame (11) close to the shell (1) is fixedly connected with a pressure spring (12), one end of the pressure spring (12) away from the supporting frame (11) is fixedly connected with a guide rod (13), the front side and the rear side of the pressing plate frame (10) are respectively provided with a clamping groove, the guide rod (13) is clamped with the clamping grooves, and the bottom of the pressing plate frame (10) penetrates through the supporting frame (11) and extends to the lower side of the supporting frame (11).

2. A seal structure for a PTFE air filter cartridge according to claim 1, wherein: one side of the guide rod (13) far away from the shell (1) is fixedly connected with a pull ring (14).

3. A seal structure for a PTFE air filter cartridge according to claim 1, wherein: the top of the fixed block (3) is fixedly connected with a handle (16).

4. A seal structure for a PTFE air filter cartridge according to claim 3, wherein: the surface of the handle (16) is fixedly connected with a rubber sleeve (17).

5. A seal structure for a PTFE air filter cartridge according to claim 1, wherein: the surface of the fixed block (3) is sleeved with a second rubber ring (15), and the second rubber ring (15) is movably connected with the through hole (2).