Smoke exhaust pipe with one-way valve structure

Abstract

The utility model relates to the technical field of smoke exhaust, and discloses a smoke exhaust pipe with a one-way valve structure, which comprises a first smoke exhaust pipeline, a second smoke exhaust pipeline is arranged on one side of the first smoke exhaust pipeline, a second fixing pipe is fixedly connected to one side of the first smoke exhaust pipeline, and a fan is arranged in the middle of the second fixing pipe. And the middle of the second fixing pipe is fixedly connected with a fixing plate, the middle of the fixing plate is fixedly connected with a filtering plate, and the top of the fixing plate is fixedly connected with a tension spring. According to the workshop air exhausting device, under the mutual cooperation of the motor, the fan, the top cover, a rubber pad, a supporting rod and other structures, air in a workshop can be conveniently exhausted outwards, meanwhile, under the action of a tension spring and a pull rod, the top cover and the rubber pad can be pulled to be closed with a second fixing pipe, and then external air is prevented from entering the workshop; in addition, the temperature and humidity of the workshop are kept stable to a certain degree, and meanwhile the dustproof effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of smoke exhaust, in particular to a smoke exhaust pipe with a one-way valve structure. Background Art

[0002] In the pharmaceutical industry, cleanrooms have extremely high environmental requirements, especially strict requirements on temperature, humidity and dustproof levels. Such cleanrooms are widely used in hospital operating rooms, pharmaceutical factories, semiconductor production workshops and other places to ensure the hygiene of the production environment and the controllability of product quality. In these cleanrooms, it is crucial to accurately control temperature and humidity and prevent dust and other pollutants from entering. This can ensure the purity and safety of the product to the greatest extent, thereby meeting the demand for high-quality products in the medical, pharmaceutical and semiconductor industries.

[0003] The exhaust pipes in traditional clean workshops have the serious problem of being continuously connected to the outside air, which makes it impossible to maintain stable temperature and humidity in the workshop and greatly reduces the dust prevention effect, thus failing to meet the pharmaceutical industry's requirements for a high-cleanliness environment. Therefore, a smoke exhaust pipe with a one-way valve structure is proposed to solve the above problem. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a smoke exhaust pipe with a one-way valve structure, which aims to improve the serious problem of the ceiling ventilation system of the workshop in the prior art being continuously connected to the outside air, which will cause the temperature and humidity in the workshop to be unable to maintain stable and the dust prevention effect is greatly reduced.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a smoke exhaust pipe with a one-way valve structure, comprising a smoke exhaust pipe 1, a smoke exhaust pipe 2 is arranged on one side of the smoke exhaust pipe 1, a fixed pipe 2 is fixedly connected to one side of the smoke exhaust pipe 1, a fan is arranged in the middle of the fixed pipe 2, a fixed plate is fixedly connected to the middle of the fixed pipe 2, a filter plate is fixedly connected to the middle of the fixed plate, a tension spring is fixedly connected to the top of the tension spring, a top cover is fixedly connected to the bottom of the top cover, a pull rod is fixedly connected to the bottom of the pull rod is fixedly connected to the top of the fixed plate, and a driving component is arranged inside the fixed pipe 2;

[0006] Through the above technical solution, the directions of fixed tube one and fixed tube two are inconsistent, so as to achieve different effects. The filter plate can filter the air conveniently, and the tension spring can pull the top cover to move conveniently, so that the top cover and fixed tube two cooperate with each other to seal, thereby preventing external air from entering the workshop.

[0007] Furthermore, the driving assembly includes a support rod, the support rod is fixedly connected to the interior of the second fixed tube, the other end of the support rod is fixedly connected to a motor, and the middle part of the fan is fixedly connected to the output end of the motor;

[0008] Through the above technical solution, the support rod can conveniently support the motor, and can conveniently drive the fan to rotate when the motor is working.

[0009] Furthermore, a connecting block is fixedly connected to one side of the smoke exhaust pipe one, a connecting groove is provided on one side of the smoke exhaust pipe two, the connecting block is slidably connected to the middle part of the connecting groove, a fixing shell is fixedly connected to the top of the smoke exhaust pipe one, a fixing block is fixedly connected to the top of the smoke exhaust pipe two, a slot is provided in the middle part of the fixing block, a connecting plate is slidably connected to the inside of the fixing shell, a compression spring is fixedly connected to one side of the connecting plate, a clamping block is fixedly connected to the other side of the connecting plate, the clamping block is clamped with the clamping groove, and a connecting assembly is provided on the top of the connecting plate;

[0010] Through the above technical solution, the connecting block and the connecting groove can conveniently connect and fix the smoke exhaust pipe one and the smoke exhaust pipe two, and the spring can conveniently push out the connecting plate, so that the connecting plate drives the clamping block to move, so that the clamping block and the clamping groove are clamped and fixed.

[0011] Furthermore, the connecting assembly includes a shift block, the shift block is fixedly connected to the top of the connecting plate, and the shift block is slidably connected to the middle of the fixed shell;

[0012] Through the above technical solution, the shift block can facilitate the staff to drive the connecting plate to move.

[0013] Furthermore, a slide groove is provided on the top of the fixed shell, and the shift block is slidably connected to the middle of the slide groove;

[0014] Through the above technical solution, the slide groove can easily limit the shift block, thereby preventing the shift block from deviating when moving.

[0015] Furthermore, one end of the compression spring away from the connecting plate is fixedly connected to the interior of the fixed shell;

[0016] Through the above technical solution, the spring can prevent the connecting plate from being separated from the interior of the fixing shell.

[0017] Furthermore, the tension spring and the pull rod are both provided in plurality, and the plurality of tension springs are respectively sleeved on the outer circumferences of the plurality of pull rods;

[0018] Through the above technical solution, multiple tension springs and multiple pull rods can conveniently pull the top cover to move, and at the same time can conveniently limit the top cover.

[0019] Furthermore, a rubber pad is fixedly connected to the bottom of the top cover;

[0020] Through the above technical solution, the rubber pad can increase the sealing effect between the top cover and the second fixed pipe.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, the fan is driven to rotate by a motor. When the fan rotates, the smoke in the workshop is drawn to be blown out, and the wind force generated by the blowing can push out the top cover and the rubber pad, so that the air inside the workshop can be conveniently discharged outward. When the fan stops working, the top cover and the rubber pad can be pulled together with the fixed pipe 2 to be closed by the action of the tension spring and the pull rod, thereby preventing external air from entering the workshop, and keeping the temperature and humidity of the workshop at a certain stability, while achieving a dust-proof effect.

[0023] 2. In the utility model, the smoke exhaust duct one and the smoke exhaust duct two can be conveniently connected and fixed by the action of the connecting block and the connecting groove, and the shifting block is moved to drive the connecting plate to move. When the connecting plate moves, the compression spring is squeezed, and the connecting plate squeezes the compression spring and drives the card block to move, so that the card block slides into the interior of the fixed shell. When the smoke exhaust duct one and the smoke exhaust duct two are connected and fixed, the shifting block is released so that the card block pops out and is clamped and fixed with the card groove, thereby further improving the stability of the connection between the smoke exhaust duct one and the smoke exhaust duct two, and at the same time improving the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a three-dimensional schematic diagram of a smoke exhaust pipe with a one-way valve structure proposed by the utility model;

[0025] Figure 2 This is a structural schematic diagram of a fixed pipe of a smoke exhaust pipe with a one-way valve structure proposed by the utility model;

[0026] Figure 3 This is a structural schematic diagram of a fixing block of a smoke exhaust pipe with a one-way valve structure proposed by the utility model;

[0027] Figure 4 This is a schematic diagram of the structure of a connection groove of a smoke exhaust pipe with a one-way valve structure proposed by the utility model.

[0028] Legend:

[0029] 1. Exhaust pipe one; 2. Exhaust pipe two; 4. Slide; 5. Fixed pipe two; 6. Fan; 7. Support rod; 8. Motor; 9. Fixed plate; 10. Filter plate; 11. Tension spring; 12. Pull rod; 13. Top cover; 14. Rubber pad; 15. Connecting block; 16. Connecting groove; 17. Fixed shell; 18. Fixed block; 19. Card slot; 20. Card block; 21. Connecting plate; 22. Dial block; 23. Compression spring. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Reference Figure 1 and Figure 2 The utility model provides an embodiment: a smoke exhaust pipe with a one-way valve structure, including a smoke exhaust pipe 1, a smoke exhaust pipe 2 2 is arranged on one side of the smoke exhaust pipe 1, a fixed pipe 2 5 is fixedly connected to one side of the smoke exhaust pipe 1, and a fan 6 is arranged in the middle of the fixed pipe 2 5. When the fan 6 is working, the smoke in the smoke exhaust pipe 1 and the smoke exhaust pipe 2 2 can be conveniently discharged to the outside, and when the fan 6 is working, the external air can be prevented from entering the inside of the smoke exhaust pipe 1 and the smoke exhaust pipe 2, so that the temperature and humidity of the workshop are kept stable to a certain extent, and at the same time, the dustproof effect is achieved. A fixing plate 9 is fixedly connected to the middle part of the tube 2 5, and a filter plate 10 is fixedly connected to the middle part of the fixing plate 9. The fixing plate 9 can conveniently connect and fix the filter plate 10. At the same time, under the action of the filter plate 10, the air can be conveniently filtered. A tension spring 11 is fixedly connected to the top of the fixing plate 9, and a top cover 13 is fixedly connected to the top of the tension spring 11. The tension spring 11 can conveniently pull the top cover 13 to move, so that the top cover 13 and the fixed tube 2 5 cooperate with each other to seal, thereby preventing external air from entering the workshop, and keeping the temperature and humidity of the workshop stable, while achieving a dust-proof effect.

[0032] Reference Figure 2The bottom of the top cover 13 is fixedly connected with a rubber pad 14, which can increase the sealing effect. The bottom of the top cover 13 is fixedly connected with a pull rod 12, which can limit the top cover 13 to prevent the top cover 13 from deflecting when moving. The bottom of the pull rod 12 is fixedly connected to the top of the fixed plate 9. A plurality of tension springs 11 and pull rods 12 are provided. The plurality of tension springs 11 are respectively sleeved on the outer periphery of the plurality of pull rods 12. A driving assembly is provided inside the fixed tube 2 5. The driving assembly includes a support rod 7, which is fixedly connected to the inside of the fixed tube 2 5. The other end of the support rod 7 is fixedly connected to a motor 8. The support rod 7 can conveniently support and fix the motor 8, thereby facilitating the operation of the motor 8. The middle part of the fan 6 is fixedly connected to the output end of the motor 8, and the fan 6 will be driven to rotate when the motor 8 is working.

[0033] Reference Figure 3 and Figure 4 A connecting block 15 is fixedly connected to one side of the smoke exhaust pipe 1, a connecting groove 16 is provided on one side of the smoke exhaust pipe 2, the connecting block 15 is slidably connected to the middle of the connecting groove 16, the connecting block 15 and the connecting groove 16 can conveniently connect and fix the smoke exhaust pipe 1 and the smoke exhaust pipe 2, a fixing shell 17 is fixedly connected to the top of the smoke exhaust pipe 1, a fixing block 18 is fixedly connected to the top of the smoke exhaust pipe 2, a slot 19 is provided in the middle of the fixing block 18, a connecting plate 21 is slidably connected to the inside of the fixing shell 17, a compression spring 23 is fixedly connected to one side of the connecting plate 21, and when the connecting plate 21 moves, the compression spring 23 is pressed The compression spring 23 is squeezed, and one end of the compression spring 23 away from the connecting plate 21 is fixedly connected to the inside of the fixed shell 17. The other side of the connecting plate 21 is fixedly connected with a clamping block 20, and the clamping block 20 and the clamping slot 19 are clamped together. When the connecting plate 21 squeezes the compression spring 23, it will drive the clamping block 20 to move, so that the clamping block 20 slides into the inside of the fixed shell 17. When the smoke exhaust duct 1 and the smoke exhaust duct 2 are connected and fixed, the shifting block 22 is released to make the clamping block 20 pop out and be clamped and fixed with the clamping slot 19, thereby further improving the stability of the connection between the smoke exhaust duct 1 and the smoke exhaust duct 2, and at the same time improving the work efficiency.

[0034] Reference Figure 4 A connecting assembly is provided at the top of the connecting plate 21, and the connecting assembly includes a shift block 22. The shift block 22 is fixedly connected to the top of the connecting plate 21. The shift block 22 can facilitate the staff to drive the connecting plate 21 to move. The shift block 22 is slidably connected to the middle of the fixed shell 17. A slide groove 4 is provided on the top of the fixed shell 17. The shift block 22 is slidably connected to the middle of the slide groove 4. The slide groove 4 can conveniently limit the shift block 22, thereby preventing the shift block 22 from deviating when moving.

[0035] Working principle: when it is necessary to discharge the air in the workshop to the outside, the motor 8 inside the fixed pipe 25 will work, and when the motor 8 works, it will drive the fan 6 to rotate. When the fan 6 rotates, it will draw the smoke in the workshop to blow out, and the wind force generated by the blowing can push out the top cover 13 and the rubber pad 14, so that the air inside the workshop can be discharged to the outside conveniently. When the fan stops working, the top cover 13 and the rubber pad 14 can be pulled closed with the fixed pipe 25 by the action of the tension spring 11 and the pull rod 12, thereby preventing external air from entering the workshop, and keeping the temperature and humidity of the workshop stable, while also achieving a dust-proof effect.

[0036] When the smoke exhaust duct 1 and the smoke exhaust duct 2 are further fixed, the smoke exhaust duct 1 and the smoke exhaust duct 2 can be conveniently connected and fixed through the action of the connecting block 15 and the connecting groove 16, and the shifting block 22 is moved to drive the connecting plate 21 to move. When the connecting plate 21 moves, the compression spring 23 is squeezed, and the connecting plate 21 squeezes the compression spring 23 and drives the clamping block 20 to move, so that the clamping block 20 slides into the interior of the fixed shell 17. When the smoke exhaust duct 1 and the smoke exhaust duct 2 are connected and fixed, the shifting block 22 is released to allow the clamping block 20 to pop out and be clamped and fixed with the clamping groove 19, thereby further improving the stability of the connection between the smoke exhaust duct 1 and the smoke exhaust duct 2.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A smoke exhaust pipe with a one-way valve structure, comprising a smoke exhaust pipe 1 (1), characterized in that: A smoke exhaust pipe 2 (2) is arranged on one side of the smoke exhaust pipe 1 (1), a fixed pipe 2 (5) is fixedly connected to one side of the smoke exhaust pipe 1 (1), a fan (6) is arranged in the middle of the fixed pipe 2 (5), a fixed plate (9) is fixedly connected to the middle of the fixed pipe 2 (5), a filter plate (10) is fixedly connected to the middle of the fixed plate (9), a tension spring (11) is fixedly connected to the top of the fixed plate (9), a top cover (13) is fixedly connected to the top of the tension spring (11), a pull rod (12) is fixedly connected to the bottom of the top cover (13), and the bottom of the pull rod (12) is fixedly connected to the top of the fixed plate (9), and a driving component is arranged inside the fixed pipe 2 (5).

2. The smoke exhaust pipe with a one-way valve structure according to claim 1, characterized in that: The driving assembly comprises a support rod (7), the support rod (7) being fixedly connected to the interior of the second fixed pipe (5), the other end of the support rod (7) being fixedly connected to a motor (8), and the middle part of the fan (6) being fixedly connected to the output end of the motor (8).

3. The smoke exhaust pipe with a one-way valve structure according to claim 1, characterized in that: A connecting block (15) is fixedly connected to one side of the smoke exhaust pipe (1), a connecting groove (16) is provided on one side of the smoke exhaust pipe (2), the connecting block (15) is slidably connected to the middle of the connecting groove (16), a fixing shell (17) is fixedly connected to the top of the smoke exhaust pipe (1), a fixing block (18) is fixedly connected to the top of the smoke exhaust pipe (2), a clamping groove (19) is provided in the middle of the fixing block (18), a connecting plate (21) is slidably connected to the inside of the fixing shell (17), a compression spring (23) is fixedly connected to one side of the connecting plate (21), a clamping block (20) is fixedly connected to the other side of the connecting plate (21), the clamping block (20) and the clamping groove (19) are clamped together, and a connecting component is provided on the top of the connecting plate (21).

4. The smoke exhaust pipe with a one-way valve structure according to claim 3, characterized in that: The connection assembly comprises a shift block (22), wherein the shift block (22) is fixedly connected to the top of the connection plate (21), and the shift block (22) is slidably connected to the middle of the fixed shell (17).

5. The smoke exhaust pipe with a one-way valve structure according to claim 4, characterized in that: A sliding groove (4) is provided on the top of the fixed shell (17), and the shifting block (22) is slidably connected to the middle of the sliding groove (4).

6. The smoke exhaust pipe with a one-way valve structure according to claim 3, characterized in that: One end of the compression spring (23) away from the connecting plate (21) is fixedly connected to the interior of the fixing shell (17).

7. The smoke exhaust pipe with a one-way valve structure according to claim 3, characterized in that: A plurality of the tension springs (11) and the pull rods (12) are provided, and the plurality of tension springs (11) are respectively sleeved on the outer circumferences of the plurality of pull rods (12).

8. The smoke exhaust pipe with a one-way valve structure according to claim 1, characterized in that: A rubber pad (14) is fixedly connected to the bottom of the top cover (13).

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