Filter paper anti-cracking device of filter

Abstract

The filter paper anti-cracking device comprises a filter shell and a filter paper body arranged in the filter shell in a sliding mode, and a clamping assembly used for clamping the filter paper body in the filter shell is arranged on the side face of the filter shell. A protection assembly used for shielding large sundries and preventing the filter paper body from being broken is arranged in the filter shell. The protection assembly comprises a protection plate, two clamping blocks and a shielding module, and the two clamping blocks are symmetrically arranged on the two sides of the protection plate; the protection plate is arranged on the front side of the filter paper body, the filter paper body is protected through the protection plate, and the situation that the filter paper body is damaged and cracked due to the fact that large sundries and the like make direct contact with the filter paper body is avoided; therefore, the unqualified filter paper body is prevented from being used or the filter paper body is prevented from being maliciously cracked or replaced, the anti-cracking effect is further achieved, and normal work of the filter shell is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter paper anti -cracking technical field, specifically is filter paper anti -cracking device of filter. BACKGROUND

[0002] Filter is widely used in each field, is used for filtering the impurity in liquid or gas. As the core component of filter, the performance of filter paper directly affects the filtering effect.

[0003] However, in the prior art, filter paper is easy to be maliciously cracked or replaced, resulting in a decline in filtering effect, and even causing a safety hazard. For example, in an air purifier, unqualified filter paper may not effectively filter harmful substances in the air, and the existing filter does not have a structure for protecting the filter paper, so that the filter paper cannot be protected against cracking, and large impurities directly contacting the filter paper may cause the filter paper to be damaged and cracked, thereby affecting the normal use of the filter. Therefore, we need to propose a filter paper anti-cracking device for filter. SUMMARY

[0004] The utility model discloses a kind of filter paper anti-cracking devices for filter, by setting protective plate in filter paper body front side, filter paper body is protected by protective plate, avoid large impurities etc. Directly with filter paper body contact causes filter paper body to be damaged cracking, simultaneously, filter shell side surface is used to identify the identification module of filter paper body side surface anti -fake code, to avoid using unqualified or maliciously cracked or replacement, to solve the problem proposed in above background technique.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of filter paper anti-cracking device for filter, including filter shell and filter paper body slidingly arranged in the inside of filter shell, the clamping assembly for clamping filter paper body in the inside of filter shell is provided in the side surface of filter shell;

[0006] The protective assembly for shielding larger impurities and placing filter paper body from being cracked is arranged in the inside of filter shell;

[0007] The protective assembly includes protective plate, clamping block and shielding module, the clamping block is provided with two groups, two groups of clamping block are symmetrically arranged on the both sides of protective plate, and the protective plate is slidingly arranged in the inside of filter shell by clamping block.

[0008] Preferably, the shielding module includes shielding plate, spring plunger and positioning plate, the shielding groove corresponding to the shielding plate is formed in the side surface of the protective plate, the positioning plate is fixedly arranged on one side of the protective plate, the spring plunger is fixedly arranged on the side of the shielding plate close to the protective plate, and the positioning hole corresponding to the spring plunger is formed in the side surface of the positioning plate.

[0009] Preferably, the clamping assembly includes clamping plates and lead screws, and two sets of clamping plates and lead screws are provided. The two sets of clamping plates are slidably disposed on the inner side wall of the filter housing, and the two sets of lead screws are rotatably connected to the corresponding clamping plates, and the two sets of lead screws are threaded through the filter housing.

[0010] Preferably, both ends of the two sets of clamping plates are provided with limiting blocks, and the inner wall of the filter housing is provided with a limiting groove corresponding to the limiting block. The side of the filter housing is provided with an insertion groove corresponding to the filter paper body, and both sets of clamping plates are in contact with the filter paper body.

[0011] Preferably, the inner side of the protective plate has a storage groove, the side of the filter housing has a sealing groove corresponding to the protective plate, and the side of the filter housing has a snap-fit ​​groove corresponding to the snap-fit ​​block.

[0012] Preferably, an anti-counterfeiting code is provided on the side of the filter paper body away from the filter shell, and an identification module is provided on the side of the filter shell above the anti-counterfeiting code.

[0013] Preferably, the filter housing is sealed with an outlet housing and an inlet housing on both sides, and the outlet housing is located on the side of the filter paper body away from the protective plate.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] This utility model provides a protective plate on the front side of the filter paper body to protect it from large debris and prevent damage. Additionally, a module on the side of the filter housing identifies the anti-counterfeiting code on the filter paper body, preventing the use of substandard filter paper or malicious hacking or replacement, thus ensuring the normal operation of the filter housing.

[0016] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of this invention can be realized and obtained by means of the structures pointed out in the description and the drawings. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the extended structure of the shielding plate of this utility model;

[0018] Figure 2 This is an exploded view of the overall structure of this utility model;

[0019] Figure 3 This is a cross-sectional view of the overall structure of this utility model;

[0020] Figure 4 This utility modelFigure 2 Enlarged view of the structure at point A in the middle.

[0021] In the diagram: 1. Filter housing; 2. Outlet housing; 3. Filter paper body; 4. Protective plate; 5. Snap-fit ​​block; 6. Baffle plate; 7. Spring plunger; 8. Anti-counterfeiting code; 9. Identification module; 10. Clamping plate; 11. Lead screw; 12. Snap-fit ​​groove; 13. Positioning plate; 14. Inlet housing; 15. Storage tank; 16. Sealing groove; 17. Baffle groove; 18. Limiting block; 19. Insertion groove; 20. Limiting groove. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] This utility model provides: a filter paper anti-tampering device for a filter, such as... Figures 1-4 As shown, the filter includes a filter housing 1 and a filter paper body 3 slidably disposed inside the filter housing 1. An anti-counterfeiting code 8 is provided on the side of the filter paper body 3 away from the filter housing 1. An identification module 9 is provided on the side of the filter housing 1 above the anti-counterfeiting code 8. An outlet shell 2 and an inlet shell 14 are respectively sealed and connected to both sides of the filter housing 1. The outlet shell 2 and the inlet shell 14 ensure that after the gas enters the filter housing 1 through the inlet shell 14, it first contacts the protective plate 4 and then contacts the filter paper body 3. The outlet shell 2 is located on the side of the filter paper body 3 away from the protective plate 4. The anti-counterfeiting code 8 can be set as one or more of QR code, barcode, digital code or graphic code. The identification module 9 identifies the anti-counterfeiting code 8 and sends the identification structure to the control module, thereby avoiding the use of unqualified filter paper body 3 or the malicious cracking or replacement of filter paper body 3.

[0024] Preferably, the filter housing 1 is provided with a protective component inside to prevent larger debris from being damaged and to prevent the filter paper body 3 from being broken. The protective component includes a protective plate 4, a snap-fit ​​block 5, and a shielding module. There are two sets of snap-fit ​​blocks 5, which are symmetrically arranged on both sides of the protective plate 4. The protective plate 4 is slidably installed inside the filter housing 1 through the snap-fit ​​blocks 5. By setting the protective plate 4, larger debris is blocked inside the protective plate 4. The snap-fit ​​blocks 5 ensure the airtightness of the connection with the filter housing 1 and ensure that the installation position of the protective plate 4 will not be changed arbitrarily.

[0025] Further, the shielding module comprises the shielding plate 6, the spring plunger 7 and the positioning plate 13, the shielding slot 17 corresponding to the shielding plate 6 is formed on the side of the protection plate 4, when the filter shell 1 is normally working, one end of the shielding plate 6 is inserted into the shielding slot 17, so that the sealing of the inside of the filter shell 1 is ensured and the use of the protection plate 4 is not affected, the positioning plate 13 is fixedly arranged on one side of the protection plate 4, the spring plunger 7 is fixedly arranged on the side of the shielding plate 6 close to the protection plate 4, and the positioning hole corresponding to the spring plunger 7 is formed on the side of the positioning plate 13, when the inside of the protection plate 4 is too full of sundries, the shielding plate 6 is pressed into the inside of the filter shell 1, then the spring plunger 7 is clamped into the positioning hole on the side of the positioning plate 13, and then the protection plate 4 can be taken out for cleaning.

[0026] Further, the filter shell 1 is provided with a clamping assembly for clamping the filter paper body 3 in the inside of the filter shell 1; the clamping assembly comprises the clamping plates 10 and the lead screws 11, the clamping plates 10 and the lead screws 11 are both provided with two groups, the two groups of clamping plates 10 are both slidingly arranged on the inner side walls of the filter shell 1, the two groups of lead screws 11 are respectively rotationally connected to the corresponding clamping plates 10, and the two groups of lead screws 11 are both threaded through the filter shell 1, after the lead screw 11 is rotated, the lead screw 11 is threaded connected with the filter shell 1, so as to drive the clamping plate 10 to move in the inside of the filter shell 1, so that the filter paper body 3 is clamped by the clamping plate 10.

[0027] Remarkably, the two ends of the two groups of clamping plates 10 are both provided with the limiting blocks 18, the inner wall of the filter shell 1 is formed with the limiting grooves 20 corresponding to the limiting blocks 18, the side of the filter shell 1 is formed with the plug-in grooves 19 corresponding to the filter paper body 3, and the two groups of clamping plates 10 are both in contact with the filter paper body 3, the limiting block 18 is clamped into the limiting groove 20, so that the rotation of the clamping plate 10 is prevented when the clamping plate 10 moves, and the stability of the clamping plate 10 abutting against the filter paper body 3 is ensured, and the plug-in groove 19 is formed to ensure the convenience of replacing the filter paper body 3 and the normal use of the filter paper body 3.

[0028] Specifically, the inside of the protection plate 4 is formed with the storage groove 15, the side of the filter shell 1 is formed with the sealing groove 16 corresponding to the protection plate 4, and the side of the filter shell 1 is formed with the clamping groove 12 corresponding to the clamping block 5, the storage groove 15 is arranged to facilitate the sundries to be collected into the inside of the protection plate 4, the protection plate 4 is clamped into the sealing groove 16, so that the sealing of the inside of the filter shell 1 is ensured, and the clamping block 5 is clamped into the clamping groove 12, so that the stability of the installation of the protection plate 4 is ensured.

[0029] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A filter paper tamper-proof device of a filter, characterized by, The utility model relates to a filter shell (1) and filter paper body (3) are slidably arranged in the filter shell (1) inside, the filter shell (1) side is provided with the clamping assembly for clamping filter paper body (3) in the filter shell (1) inside, The filter shell (1) is provided with a protection assembly inside for shielding larger sundries to prevent the filter paper body (3) from being broken, The protection assembly includes a protection plate (4), a clamping block (5) and a shielding module, the clamping block (5) is provided with two groups, the two groups of clamping blocks (5) are symmetrically arranged on both sides of the protection plate (4), and the protection plate (4) is slidably arranged in the filter shell (1) through the clamping block (5).

2. The filter paper anti-cracking device of a filter according to claim 1, characterized in that: The shielding module includes a shielding plate (6), a spring plunger (7) and a positioning plate (13), the protection plate (4) side is provided with a shielding slot (17) corresponding to the shielding plate (6), the positioning plate (13) is fixedly arranged on one side of the protection plate (4), the spring plunger (7) is fixedly arranged on one side of the shielding plate (6) close to the protection plate (4), and the positioning plate (13) side is provided with a positioning hole corresponding to the spring plunger (7).

3. The filter paper anti-breaking device of a filter according to claim 2, characterized in that: The clamping assembly includes a clamping plate (10) and a lead screw (11), the clamping plate (10) and the lead screw (11) are provided with two groups, the two groups of clamping plates (10) are slidably arranged on the inner wall of the filter shell (1), the two groups of lead screws (11) are rotatably connected to the corresponding clamping plates (10), and the two groups of lead screws (11) are threadedly penetrated through the filter shell (1).

4. The filter paper anti-breaking device of a filter according to claim 3, characterized in that: The two ends of the two groups of clamping plates (10) are provided with limiting blocks (18), and the inner wall of the filter shell (1) is provided with limiting grooves (20) corresponding to the limiting blocks (18), the side of the filter shell (1) is provided with a plug-in groove (19) corresponding to the filter paper body (3), and the two groups of clamping plates (10) are in contact with the filter paper body (3).

5. The filter paper anti-breaking device of a filter according to claim 4, characterized in that: The inner side of the protection plate (4) is provided with a storage groove (15), the side of the filter shell (1) is provided with a sealing groove (16) corresponding to the protection plate (4), and the side of the filter shell (1) is provided with a clamping groove (12) corresponding to the clamping block (5).

6. The filter paper anti-breaking device of a filter according to claim 1, characterized in that: The side of the filter paper body (3) away from the filter shell (1) is provided with an anti-fake code (8), and the side of the filter shell (1) and above the anti-fake code (8) is provided with an identification module (9).

7. The filter paper anti-breaking device of a filter according to claim 1, characterized in that: The filter shell (1) is sealingly connected with an outlet shell (2) and an inlet shell (14) on both sides, and the outlet shell (2) is located on the side of the filter paper body (3) away from the protection plate (4).

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