A quick-release dustproof variable air volume control valve for laboratory

Abstract

The utility model relates to dustproof variable air volume control valve field provides a kind of fast detachable dustproof variable air volume control valve for laboratory, including air duct pipe body, sealing rotary plate, drive assembly, pull cover and filter screen, the drive assembly rotation is arranged on air duct pipe body, the sealing rotary plate cooperation is arranged on drive assembly, the pull cover is slidably provided with filter screen, filter screen is slidably arranged inside air duct pipe body, the utility model, simple structure, effect is remarkable, the air volume in the sealing rotary plate of drive assembly control is controlled to air duct pipe body, air is filtered by the filter screen of sliding arrangement in air duct pipe body, the pull cover is quickly disassembled to filter screen, and maintenance efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of dustproof variable air volume control valves, and in particular to a quick-release dustproof variable air volume control valve for laboratory use. Background Technology

[0002] The quick-release dustproof variable air volume control valve for laboratories is a ventilation device specifically designed for laboratory environments. It can automatically adjust the air volume according to indoor air demand, achieving energy saving and ensuring air quality. Laboratories have high requirements for ventilation and dust prevention. Existing air volume valves installed in laboratories are equipped with filters to intercept dust in the air. However, these filters are often directly fixed to the valve body with bolts. When there is a lot of dust on the filter, all the screws need to be removed step by step, which is a very complicated process.

[0003] As shown in application number CN202322481075.3, a quick-release dustproof variable air volume control valve for laboratory use includes a valve body, a filter screen, and a quick-release mechanism. The valve body is circumferentially closed with openings at both ends to form airflow channels. The filter screen is mounted on the air inlet end of the valve body via the quick-release mechanism, which facilitates the installation and removal of the filter screen. The quick-release mechanism includes a mounting plate fixed to the air inlet end of the valve body. The mounting plate has a hollow center, clamping parts on both sides, and a horizontally positioned support at the bottom. The clamping parts and the support parts cooperate to fix the filter screen to the mounting plate.

[0004] In the above solution, the filter screen is slidably installed at one end of the control valve for quick disassembly and filtration. However, it is inconvenient to connect both ends of the air volume control valve to the ventilation duct, which may easily lead to gas leakage. Utility Model Content

[0005] To address the problem of inconvenience in connecting both ends of the air volume control valve to the ventilation duct, which could easily lead to gas leakage, this invention provides a quick-release dustproof variable air volume control valve for laboratory use.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A quick-release dustproof variable air volume control valve for laboratory use includes: an air duct body, a sealing rotating plate, a drive assembly, a pull-out cover, and a filter screen. The drive assembly is fixedly mounted on the air duct body, the sealing rotating plate is disposed inside the air duct body and is fitted onto the drive assembly, and a filter screen is slidably mounted on the pull-out cover inside the air duct body.

[0008] Preferably, the drive assembly includes a drive motor and a drive rod, wherein the drive motor is fixedly mounted on the duct body, the drive rod is fixedly mounted on the output end of the drive motor, and the drive rod is rotatably mounted on the duct body.

[0009] Preferably, the duct body includes: a pipe, a control seat, and a connecting seat. The connecting seats are fixedly installed at both ends of the pipe. The pipe has a through hole and a sliding groove. A rotating shaft groove is opened inside the pipe corresponding to the through hole. The drive rod is rotatably installed in the rotating shaft groove. The filter screen is slidably installed in the sliding groove. The control seat is fixedly installed on the pipe and is electrically connected to the drive motor.

[0010] Preferably, the sealing rotating plate includes a rotating shaft and a sealing plate, the rotating shaft has a drive groove, the drive rod is fitted in the drive groove, the sealing plate is fixedly mounted on the rotating shaft, and a sealing strip is fixedly mounted on the edge of the sealing plate.

[0011] Preferably, the filter screen includes a screen frame, the screen frame is slidably disposed in a sliding groove, a filter screen material is fixedly disposed on the inner side of the screen frame, a sliding connecting seat is fixedly disposed on the top of the screen frame, the sliding connecting seat is slidably disposed on a pull-out cover, and a rubber layer is fixedly disposed on the outer side of the screen frame.

[0012] Preferably, the pull-out cover includes: a cover body and a handle, the handle is fixedly mounted on the cover body, the cover body has a connecting groove, and the sliding connecting seat is slidably mounted in the connecting groove.

[0013] Preferably, a fixing bolt seat is fixedly installed on the pipe, a fixing bolt is fixedly installed on the fixing bolt seat, and a bolt groove buckle is fixedly installed on the cover, the bolt groove buckle being configured to cooperate with the fixing bolt.

[0014] Preferably, a sealing rubber layer is fixedly provided at the bottom of the cover, and rubber plugs are provided at both ends of the connecting groove.

[0015] The advantages of this utility model are as follows: the control valve is fixedly installed in the ventilation duct by the connecting seats at both ends of the duct body; the sealing rotating plate and filter screen are set in the duct body; the sealing rotating plate is controlled by the drive component to achieve the effect of controlling the air volume; the filter screen is slidably set on the pull-out cover to filter the air passing through the duct body; the pull-out cover is fixed by the fixing bolt, so that the sealing rubber layer and rubber plug on the pull-out cover abut against the duct body to improve air tightness. Attached Figure Description

[0016] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0017] Figure 1 This is a structural schematic diagram of this utility model from one angle;

[0018] Figure 2 This is a structural schematic diagram of the present invention from angle two;

[0019] Figure 3 This is a structural schematic diagram of the air duct body of this utility model;

[0020] Figure 4 This is a schematic diagram of the air volume control component of this utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the filter screen of this utility model;

[0022] Figure 6 This is a structural schematic diagram of the pull-out cover at angle one of this utility model;

[0023] Figure 7 This is a structural schematic diagram of the pull-out cover at angle two of this utility model;

[0024] Explanation of reference numerals in the attached figures:

[0025] 1. Duct body; 2. Fixing bolt; 3. Pull-out cover; 4. Filter screen; 5. Drive assembly; 6. Control base; 7. Sealing rotating plate; 8. Connecting seat; 10. Pipe; 11. Through hole; 12. Rotating shaft groove; 13. Sliding groove; 14. Fixing bolt seat; 15. Sliding connecting seat; 16. Rubber layer; 17. Frame; 18. Handle; 19. Cover; 20. Connecting slide groove; 21. Bolt groove buckle; 22. Rotating shaft; 23. Sealing plate; 24. Sealing strip; 25. Drive rod; 26. Drive motor; 27. Sealing rubber layer; 28. Rubber plug. Detailed Implementation

[0026] Example 1, combined with Figure 1 Explanation:

[0027] A quick-release dustproof variable air volume control valve for laboratory use includes: an air duct body 1, a sealing rotating plate 7, a drive assembly 5, a pull-out cover 3, and a filter screen 4. The drive assembly 5 is fixedly mounted on the air duct body 1. The sealing rotating plate 7 is disposed inside the air duct body 1 and is fitted onto the drive assembly 5. The filter screen 4 is slidably mounted on the pull-out cover 3 and is slidably disposed inside the air duct body 1.

[0028] With this configuration, ventilation ducts are connected to both ends of the air duct body 1. The drive component 5 is fixedly installed on the air duct body 1. The drive component 5 drives the sealing rotating plate 7, thereby controlling the air volume of the air duct body 1. The filter screen 4 is slidably installed in the air duct body 1 to filter the passing air. The filter screen 4 can be disassembled and assembled by pulling the cover 3, thereby improving the disassembly efficiency of the filter screen 4.

[0029] Example 2, based on Example 1, combined with... Figure 2 Explanation:

[0030] The air duct body 1 includes: a pipe 10, a control seat 6, and a connecting seat 8. The connecting seats 8 are fixedly installed at both ends of the pipe 10. The pipe 10 has a through hole 11 and a sliding groove 13. The pipe 10 has a rotating shaft groove 12 corresponding to the through hole 11. The drive rod 25 is rotatably installed in the rotating shaft groove 12. The filter screen 4 is slidably installed in the sliding groove 13. The control seat 6 is fixedly installed on the pipe 10 and is electrically connected to the drive motor 26.

[0031] With this configuration, the pipe 10 is fixedly connected to the ventilation duct via the connecting seats 8 at both ends, the drive assembly 5 is positioned and supported via the through hole 11 and the rotating shaft groove 12, the drive assembly 5 is electrically connected and controlled via the control seat 6, and the filter screen 4 is slidably stored via the sliding groove 13, making it convenient for the filter screen 4 to perform its filtering function.

[0032] Example 3, based on Example 2, combined with Figure 3 Explanation:

[0033] The drive assembly 5 includes a drive motor 26 and a drive rod 25. The drive motor 26 is fixedly mounted on the air duct body 1, and the drive rod 25 is fixedly mounted on the output end of the drive motor 26. The drive rod 25 is rotatably mounted on the air duct body 1. The sealing rotating plate 7 includes a rotating shaft 22 and a sealing plate 23. A drive groove is opened on the rotating shaft 22, and the drive rod 25 is fitted into the drive groove. The sealing plate 23 is fixedly mounted on the rotating shaft 22. A sealing strip 24 is fixedly mounted on the edge of the sealing plate 23.

[0034] With this configuration, the drive motor 26 drives the operation, and the drive rod 25 drives the sealing rotating plate 7, so that the sealing rotating plate 7 controls the air volume inside the air duct 1. The sealing rotating plate 7 cooperates with the drive rod 25 through the rotating shaft 22, the sealing plate 23 blocks the inside of the air duct 1, and the sealing strip 24 cooperates with the inner wall of the air duct 1 to seal, ensuring the sealing requirements.

[0035] Example 4, based on Example 3, combined with Figure 4 Explanation:

[0036] The filter screen 4 includes a screen frame 17, which is slidably disposed in a sliding groove 13. A filter screen material is fixedly disposed on the inner side of the screen frame 17. A sliding connecting seat 15 is fixedly disposed on the top of the screen frame 17. The sliding connecting seat 15 is slidably disposed on a pull-out cover 3. A rubber layer 16 is fixedly disposed on the outer side of the screen frame 17. The pull-out cover 3 includes a cover body 19 and a handle 18. The handle 18 is fixedly disposed on the cover body 19. A connecting groove 20 is formed on the cover body 19, and the sliding connecting seat 15 is slidably disposed in the connecting groove 20. A fixing bolt seat 14 is fixedly disposed on the pipe 10. A fixing bolt 2 is fixedly disposed on the fixing bolt seat 14. A bolt groove buckle 21 is fixedly disposed on the cover body 19, and the bolt groove buckle 21 cooperates with the fixing bolt 2. A sealing rubber layer 27 is fixedly disposed at the bottom of the cover body 19, and rubber plugs 28 are fitted at both ends of the connecting groove 20.

[0037] With this configuration, air filtration is achieved by a filter screen 4 that slides inside the air duct 1. The filter screen 4 is slidably mounted on the pull-out cover 3 via a sliding connecting seat 15. The pull-out cover 3 is fixedly provided with a bolt groove 21, which cooperates with a fixing bolt 2. The fixing bolt 2 secures the pull-out cover 3. The sealing rubber layer 27 and the rubber plug 28 on the pull-out cover 3 seal the gap between the pull-out cover 3 and the air duct 1, improving the sealing capacity and ensuring the filtration effect.

[0038] The working principle of this utility model is as follows: The connecting seats 8 at both ends of the pipe 10 are fixedly connected to the ventilation duct; the drive assembly 5 is positioned and supported through the through hole 11 and the rotating shaft groove 12; the control seat 6 is electrically connected to the drive assembly 5 for control; the filter screen 4 is slidably stored through the sliding groove 13 for convenient filtration; the drive motor 26 drives the operation; and the drive rod 25 drives the sealing rotating plate 7, allowing the sealing rotating plate 7 to control the airflow inside the duct body 1. The pull-out cover 3 is fixedly... A bolt groove 21 is provided, which is configured to cooperate with a fixing bolt 2. The fixing bolt 2 is used to fix the pull-out cover 3. The sealing rubber layer 27 and the rubber plug 28 on the pull-out cover 3 are used to seal the gap between the pull-out cover 3 and the air duct 1. This utility model has a simple structure and significant effect. The air volume in the air duct 1 is controlled by the sealing rotating plate 7 controlled by the drive component 5. The air is filtered by the filter screen 4 that is slidably set in the air duct 1. The filter screen 4 can be quickly disassembled by the pull-out cover 3, which improves maintenance efficiency.

[0039] For those skilled in the art, this utility model is not limited to the details of the exemplary embodiments described above, and can be implemented in other specific forms without departing from the spirit or essential characteristics of this utility model; therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this utility model is defined by the appended claims rather than the foregoing description. Therefore, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0040] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any minor modifications, equivalent substitutions and improvements made to the above embodiments based on the technical essence of the present utility model should be included within the protection scope of the technical solution of the present utility model.

Claims

1. A quick-release dustproof variable air volume control valve for laboratory use, characterized in that, include: The duct body (1), the sealing rotating plate (7), the drive assembly (5), the pull-out cover (3), and the filter screen (4) are provided. The drive assembly (5) is fixedly installed on the duct body (1). The sealing rotating plate (7) is installed inside the duct body (1) and is fitted onto the drive assembly (5). The pull-out cover (3) is slidably provided with the filter screen (4), which is slidably installed inside the duct body (1).

2. The laboratory quick-release dustproof variable air volume control valve according to claim 1, characterized in that, The drive assembly (5) includes a drive motor (26) and a drive rod (25). The drive motor (26) is fixedly mounted on the air duct body (1), and the drive rod (25) is fixedly mounted on the output end of the drive motor (26). The drive rod (25) is rotatably mounted on the air duct body (1).

3. A quick-release dustproof variable air volume control valve for laboratory use according to claim 2, characterized in that, The air duct body (1) includes: a pipe (10), a control seat (6) and a connecting seat (8). The connecting seats (8) are fixedly installed at both ends of the pipe (10). The pipe (10) has a through hole (11) and a sliding groove (13). The inner wall of the pipe (10) has a rotating shaft groove (12) corresponding to the through hole (11). The drive rod (25) is rotatably installed in the rotating shaft groove (12). The filter screen (4) is slidably installed in the sliding groove (13). The control seat (6) is fixedly installed on the pipe (10) and is electrically connected to the drive motor (26).

4. A quick-release dustproof variable air volume control valve for laboratory use according to claim 2, characterized in that, The sealing rotating plate (7) includes a rotating shaft (22) and a sealing plate (23). The rotating shaft (22) has a drive groove, and the drive rod (25) is fitted in the drive groove. The sealing plate (23) is fixedly mounted on the rotating shaft (22), and a sealing strip (24) is fixedly mounted on the edge of the sealing plate (23).

5. A quick-release dustproof variable air volume control valve for laboratory use according to claim 3, characterized in that, The filter screen (4) includes a screen frame (17), which is slidably disposed in a sliding groove (13). A filter screen material is fixedly disposed on the inner side of the screen frame (17). A sliding connecting seat (15) is fixedly disposed on the top of the screen frame (17). The sliding connecting seat (15) is slidably disposed on the pull-out cover (3). A rubber layer (16) is fixedly disposed on the outer side of the screen frame (17).

6. A quick-release dustproof variable air volume control valve for laboratory use according to claim 5, characterized in that, The pull-out cover (3) includes a cover body (19) and a handle (18). The handle (18) is fixedly mounted on the cover body (19). A connecting groove (20) is provided on the cover body (19). The sliding connecting seat (15) is slidably mounted in the connecting groove (20).

7. A quick-release dustproof variable air volume control valve for laboratory use according to claim 6, characterized in that, A fixing seat (14) is fixedly installed on the pipe (10), a fixing bolt (2) is fixedly installed on the fixing seat (14), and a bolt groove buckle (21) is fixedly installed on the cover (19). The bolt groove buckle (21) is configured to cooperate with the fixing bolt (2).

8. A quick-release dustproof variable air volume control valve for laboratory use according to claim 6, characterized in that, A sealing rubber layer (27) is fixedly provided at the bottom of the cover (19), and rubber plugs (28) are provided at both ends of the connecting groove (20).

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