Explosion venting device with dust filtering function

Abstract

The utility model belongs to the technical field of pressure relief and explosion venting devices, and particularly relates to an explosion venting device with a dust filtering function, which comprises a device main body, a filter screen is arranged on the outer side of the device main body, a collecting box is arranged at the lower end of the filter screen, a junction box is arranged on one side of the device main body, and a motor is arranged on one side of the junction box. And a cleaning shaft brush is arranged on the inner side of the filter screen. Through the arrangement of the filter screen, the cleaning shaft brush, the tooth groove, the first gear, the movable piece, the second gear, the third gear, a movable block, a guide block, a guide hole, a through hole, a sliding block, a sliding groove and a fastening piece, the explosion venting dust can be filtered, and the filtered dust located on the inner side of the filter screen can be automatically cleaned; according to the device, the filter screen in the device is prevented from being blocked, the using effect of the device is improved, meanwhile, the explosion venting piece in the device can be rapidly detached and replaced, and the device is simple in structure, convenient to operate and use and high in overhaul efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure relief and explosion relief devices, in particular to an explosion relief device with a dust filtering function. Background Art

[0002] A large amount of solid dust is generated during the industrial production process, which seriously affects the working environment and the health of workers. When mixed with air during processing or storage operations, the explosion will cause the ignition of flammable gas, mist or dust. Rapid pressure rise occurs in the closed structure, and if there is not enough strength to withstand the pressure of the explosion, it will cause significant losses and casualties. Therefore, it is very necessary to install a flameless explosion venting device in the powder system of the production workshop.

[0003] The prior art has the following problems:

[0004] During the use of explosion relief device, the dust is not filtered out directly, which reduces the use effect of the device. When the explosion relief structure inside the device is damaged, the replacement operation is troublesome and inefficient. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an explosion relief device with a dust filtering function, which solves the problem that the existing explosion relief devices do not have a dust filtering effect, and the dust is directly discharged, which reduces the use effect of the device and the internal explosion relief structure is troublesome to replace and has low efficiency.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an explosion relief device with a dust filtering function, comprising a device body, a filter screen is arranged on the outside of the device body, a collection box is arranged at the lower end of the filter screen, a junction box is arranged on one side of the device body, a motor is arranged on one side of the junction box, a cleaning shaft brush is arranged on the inner side of the filter screen, a movable part is arranged at the lower end of the cleaning shaft brush, a first gear is connected to the lower end of the movable part, a tooth groove is arranged on one side of the inner wall of the device body, a through hole is arranged at one end of the device body, and an explosion relief assembly is arranged inside the through hole. A component, a sealing gasket is provided at one end of the explosion relief component, a sliding groove is provided on the inner wall of the through hole, a fastener is provided at the other end of the explosion relief component, a buffer plate is provided inside the explosion relief component, an explosion relief piece is provided on one side of the buffer plate, a second gear is provided at the other end of the movable part, a connecting shaft connected to a cleaning shaft brush is connected to one side of the second gear, a movable block is provided on one side of the first gear, a toothed portion is provided on one side of the movable block, an internal tooth portion is provided inside the movable block, a third gear is provided on one side of the internal tooth portion, and a guide block is connected to the other side of the movable block.

[0007] As a preferred technical solution of the utility model, the tooth groove is in the shape of an arc, and the inner size of the tooth groove matches the size of the second gear, and the second gear is rollingly connected to the device body through the tooth groove.

[0008] As a preferred technical solution of the utility model, the first gear is rollingly connected to the movable block through a toothed portion, the third gear is a gear with half toothed and the other half smooth, and the third gear is movably connected to the movable block through an internal toothed portion.

[0009] As a preferred technical solution of the utility model, a guide hole is opened inside the guide block, a guide rod is arranged inside the guide hole, and the inner diameter of the guide hole matches the diameter of the guide rod, and the guide block is slidably connected to the guide rod through the guide hole.

[0010] As a preferred technical solution of the utility model, the connecting shaft passes through the movable part and is connected to the cleaning shaft brush, and the connecting shaft is movably connected to the movable part.

[0011] As a preferred technical solution of the utility model, a sliding block connected to the explosion relief assembly is arranged inside the slide groove, the inner size of the slide groove matches the size of the sliding block, and the sliding block is slidably connected to the device body through the slide groove.

[0012] As a preferred technical solution of the utility model, the shape of the fastener is annular, and a threaded connection portion is provided on the outside of the fastener, and the fastener is fixedly connected to the through hole through a threaded connection plate.

[0013] Compared with the prior art, the utility model provides an explosion relief device with dust filtering function, which has the following beneficial effects:

[0014] 1. The explosion-proof device with dust filtering function can not only filter the explosion-proof dust, but also automatically clean the dust inside the filter after filtration by arranging a filter, a cleaning shaft brush, a tooth groove, a first gear, a movable part, a second gear, a third gear, a movable block, a guide block and a guide hole, so as to prevent the filter inside the device from being blocked and improve the use effect of the device.

[0015] 2. The explosion relief device with dust filtering function can realize the rapid disassembly and replacement of the explosion relief piece inside the device by setting through holes, sliders, slide grooves and fasteners, and has a simple structure, is easy to operate and use, and has high maintenance efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the explosion relief device of the utility model;

[0017] Figure 2This is a schematic diagram of the internal structure of the explosion relief device of the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the moving parts;

[0019] Figure 4 This is a schematic diagram of the enlarged structure at point A.

[0020] In the figure: 1. device body; 2. filter screen; 3. collection box; 4. junction box; 5. motor; 6. cleaning shaft brush; 7. movable part; 8. first gear; 9. tooth groove; 10. through hole; 11. explosion relief assembly; 12. sealing gasket; 13. slide groove; 14. slider; 15. fastener; 16. buffer plate; 17. explosion relief plate; 18. second gear; 19. connecting shaft; 20. movable block; 21. tooth pattern; 22. inner tooth portion; 23. third gear; 24. guide block; 25. guide rod. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-4 In the present embodiment: an explosion relief device with a dust filtering function comprises a device body 1, a filter screen 2 is arranged on the outside of the device body 1, a collection box 3 is arranged at the lower end of the filter screen 2 for collecting and using the dust after cleaning, a junction box 4 is arranged on one side of the device body 1, a motor 5 is arranged on one side of the junction box 4, a cleaning shaft brush 6 is arranged on the inner side of the filter screen 2, a movable part 7 is arranged at the lower end of the cleaning shaft brush 6, a first gear 8 is connected to the lower end of the movable part 7, a tooth groove 9 is arranged on one side of the inner wall of the device body 1, a through hole 10 is arranged at one end of the device body 1, an explosion relief component 11 is arranged inside the through hole 10, and a sealing gasket is arranged at one end of the explosion relief component 11 The explosion relief component 11 is provided with a fastener 15 at the other end for fixing the explosion relief component 11. The explosion relief component 11 is provided with a buffer plate 16 inside, and an explosion relief plate 17 is provided on one side of the buffer plate 16. The other end of the movable part 7 is provided with a second gear 18, and one side of the second gear 18 is connected to a connecting shaft 19 connected to the cleaning shaft brush 6. A movable block 20 is provided on one side of the first gear 8, and a toothed portion 21 is provided on one side of the movable block 20. An inner tooth portion 22 is provided inside the movable block 20, and a third gear 23 is provided on one side of the inner tooth portion 22. A guide block 24 is connected to the other side of the movable block 20.

[0023] In this embodiment, the tooth groove 9 is in an arc shape, and the inner size of the tooth groove 9 matches the size of the second gear 18. The second gear 18 is rollingly connected to the device body 1 through the tooth groove 9 to achieve the self-rotation effect of the cleaning shaft brush 6 and improve the cleaning effect on the inner side of the filter screen 2; the first gear 8 is rollingly connected to the movable block 20 through the tooth pattern portion 21, and the third gear 23 is a gear with tooth patterns on one half and smooth on the other half. The third gear 23 is movably connected to the movable block 20 through the inner tooth portion 22 to achieve reciprocating movement of the structure; a guide hole is provided inside the guide block 24, and a guide rod 25 is provided inside the guide hole, and the inner diameter size of the guide hole matches the diameter size of the guide rod 25. The guide block 24 is connected to the movable block 20 through the guide hole. The guide rod 25 is slidably connected to ensure the smooth movement of the movable block 20; the connecting shaft 19 passes through the movable part 7 and is connected to the cleaning shaft brush 6, and the connecting shaft 19 is movably connected to the movable part 7, driving the cleaning shaft brush 6 to swing back and forth, thereby realizing the automatic cleaning effect of the filter 2; a slider 14 connected to the explosion relief component 11 is arranged inside the slide groove 13, and the internal size of the slide groove 13 matches the size of the slider 14. The slider 14 is slidably connected to the device body 1 through the slide groove 13, and the disassembly, assembly and replacement operation is convenient; the fastener 15 is in the shape of a circular ring, and a threaded connection part is arranged on the outside of the fastener 15. The fastener 15 is fixedly connected to the through hole 10 through a threaded connection plate, which is convenient for the replacement operation of the explosion relief component 11.

[0024] The working principle and use process of the utility model are as follows: during the use of the device, the explosion-proof plate 17 ruptures, the gas acts on the buffer plate 16, the dust is filtered on the filter screen 2, the motor 5 is started, the third gear 23 rotates, and the action of the guide block 24 and the guide rod 25 is combined, the movable block 20 reciprocates, and the tooth pattern portion 21 on one side of the movable block 20 reciprocates with the first gear 8, the movable part 7 swings back and forth, and the movable part 7 rolls with the second gear 18 inside the tooth groove 9 during the swinging process, and the cleaning shaft brush 6 swings and rotates at the same time, so as to realize the cleaning effect of the dust inside the filter screen 2, and the cleaned dust falls into the inside of the collection box 3. When the explosion-proof plate 17 needs to be replaced, the user rotates the fastener 15 to remove it, takes out the explosion-proof component 11 after use, and inserts the new explosion-proof component 11 into the through hole 10, aligns the slider 14 with the slide groove 13, and uses the fastener 15 to install and fix it.

[0025] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An explosion relief device with dust filtering function, comprising a device body (1), characterized in that: A filter screen (2) is arranged on the outside of the device body (1), a collection box (3) is arranged at the lower end of the filter screen (2), a junction box (4) is arranged on one side of the device body (1), a motor (5) is arranged on one side of the junction box (4), a cleaning shaft brush (6) is arranged on the inside of the filter screen (2), a movable part (7) is arranged at the lower end of the cleaning shaft brush (6), a first gear (8) is connected to the lower end of the movable part (7), a tooth groove (9) is arranged on one side of the inner wall of the device body (1), a through hole (10) is arranged at one end of the device body (1), an explosion relief component (11) is arranged inside the through hole (10), a sealing gasket (12) is arranged at one end of the explosion relief component (11), and the inner wall of the through hole (10) is provided with a tooth groove (9). A slide groove (13) is provided, a fastener (15) is provided at the other end of the explosion relief component (11), a buffer plate (16) is provided inside the explosion relief component (11), a bursting plate (17) is provided on one side of the buffer plate (16), a second gear (18) is provided at the other end of the movable member (7), a connecting shaft (19) connected to a cleaning shaft brush (6) is connected to one side of the second gear (18), a movable block (20) is provided on one side of the first gear (8), a toothed portion (21) is provided on one side of the movable block (20), an inner tooth portion (22) is provided inside the movable block (20), a third gear (23) is provided on one side of the inner tooth portion (22), and a guide block (24) is connected to the other side of the movable block (20).

2. The explosion relief device with dust filtering function according to claim 1, characterized in that: The tooth groove (9) is in the shape of an arc, and the internal dimensions of the tooth groove (9) match the dimensions of the second gear (18), and the second gear (18) is rollingly connected to the device body (1) via the tooth groove (9).

3. The explosion relief device with dust filtering function according to claim 1, characterized in that: The first gear (8) is rollingly connected to the movable block (20) via a toothed portion (21); the third gear (23) is a gear with one half having toothed portions and the other half being smooth; the third gear (23) is movably connected to the movable block (20) via an internal toothed portion (22).

4. The explosion relief device with dust filtering function according to claim 1, characterized in that: A guide hole is provided inside the guide block (24), a guide rod (25) is provided inside the guide hole, and the inner diameter of the guide hole matches the diameter of the guide rod (25), and the guide block (24) is slidably connected to the guide rod (25) via the guide hole.

5. The explosion relief device with dust filtering function according to claim 1, characterized in that: The connecting shaft (19) passes through the movable part (7) and is connected to the cleaning shaft brush (6), and the connecting shaft (19) is movably connected to the movable part (7).

6. The explosion relief device with dust filtering function according to claim 1, characterized in that: A sliding block (14) connected to the explosion relief assembly (11) is arranged inside the sliding groove (13); the internal dimensions of the sliding groove (13) match the dimensions of the sliding block (14); and the sliding block (14) is slidably connected to the device body (1) via the sliding groove (13).

7. The explosion relief device with dust filtering function according to claim 1, characterized in that: The fastener (15) is in the shape of a ring, and a threaded connection portion is provided on the outside of the fastener (15); the fastener (15) is fixedly connected to the through hole (10) via a threaded connection plate.

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