Air purification equipment with filter screen convenient to replace for coal mine

Abstract

The utility model belongs to the technical field of air purification, and particularly relates to a coal mine air purification device with a filter screen convenient to replace, which comprises an air purification device body. Ventilation fans are arranged at the two ends of the air purification equipment body; a first sliding groove is formed in the top of the air purification equipment body in a penetrating mode. The inner side of the first sliding groove is slidably connected with a fixing sleeve column. A purification filter screen is arranged on the inner side of the fixed sleeve column; during working, when a purification filter screen needs to be replaced, a fixing sleeve column moves upwards through a first sliding groove, and the fixing sleeve column, a first gear, a second gear, a rack, a connecting rod and a first dust blocking plate are matched with each other, so that the first dust blocking plate is driven to move to the mounting position of the purification filter screen, and the effect of blocking dust at the mounting position is achieved; the whole device reduces the situation that air needing to be filtered is discharged from the joint of the bottom of the filter screen and the mounting position; therefore, the air filtering effect of the air purification equipment is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of air purification, in particular to an air purification device for coal mines with convenient replacement of filter screens. Background Art

[0002] Because the air quality in mines is poor and contains a certain amount of harmful gases, when workers inhale them for a long time, it will cause sub-health in their respiratory system. Therefore, air purification equipment is needed to purify the mine air.

[0003] In the current prior art, air purification equipment for coal mines that is convenient for replacing filters is often composed of a filter replacement assembly and an air purification equipment body, and the filter can be conveniently replaced through the filter replacement assembly.

[0004] The existing coal mine air purification equipment with convenient filter replacement, during the process of replacing the filter, the position where the filter needs to be installed often has a certain amount of impurities attached. After the filter is replaced, the bottom of the filter fits the installation position. During long-term operation, a large amount of impurities will accumulate at the connection between the bottom of the filter and the installation position, which can easily cause the air to be filtered to be discharged from the connection between the bottom of the filter and the installation position, thereby reducing the filtering effect of the air purification equipment on the air. Therefore, in view of the above problem, an air purification equipment with convenient filter replacement for coal mines is proposed. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background technology, the utility model provides an air purification device for coal mines with convenient replacement of filter screens.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the utility model describes an air purification device for coal mines with convenient replacement of filters, comprising an air purification device body; ventilation fans are provided at both ends of the air purification device body; a first slide groove is arranged through the top of the air purification device body; a fixed sleeve column is slidably connected to the inner side of the first slide groove; a purification filter is arranged inside the fixed sleeve column; second slide grooves are provided on both side walls of the inner side of the air purification device body; a first gear is rotatably connected to the inner side of the second slide groove; the first gear and the fixed sleeve column are meshed with each other; a pair of the first gears are fixedly connected to the second gear at one end away from each other; a pair of racks are slidably connected to the top of the inner side of the second slide groove; the rack and the second gear are meshed with each other; a pair of racks are fixedly connected to the side wall on one side close to each other; a first dust blocking plate is slidably connected to the inner side of the air purification device body; the top of the first dust blocking plate is connected to the bottom of a pair of connecting rods.

[0007] Preferably, a third slide groove is fixedly connected to the bottom of the inner side of the air purification device body; multiple groups of spring columns are fixedly connected to the side wall of the inner side of the third slide groove away from the first dust blocking plate; the second dust blocking plate is slidably connected to the inner side of the third slide groove; multiple groups of spring columns are connected to the second dust blocking plate; a sewage trough is provided through the bottom of the inner side of the air purification device body; the sewage trough is provided on the side of the third slide groove close to the first dust blocking plate.

[0008] Preferably, a first magnetic plate is fixedly connected to the side wall of the inner side of the third slide groove away from the second dust blocking plate; a second magnetic plate is fixedly connected to the side wall of the second dust blocking plate close to the first magnetic plate; the first magnetic plate and the second magnetic plate are both arranged on the inner side of multiple groups of spring columns.

[0009] Preferably, a pair of the second sliding grooves have multiple groups of storage grooves at the bottom of the inner side; and the inner sides of the multiple groups of storage grooves are rotatably connected with rotating columns.

[0010] Preferably, a first sealing plate is fixedly connected to the bottom of the second dust blocking plate.

[0011] Preferably, a third dust blocking plate is fixedly connected to the top of the second dust blocking plate; the third dust blocking plate is arranged on the side of the second dust blocking plate away from the third chute.

[0012] Preferably, second sealing plates are fixedly connected to the top ends of both inner side walls of the first sliding groove; a pair of the second sealing plates are close to one side wall and fit with the side wall of the fixed sleeve column.

[0013] Beneficial effects of the utility model:

[0014] 1. The utility model provides an air purification device for coal mines that is convenient for replacing filters. The fixed sleeve column moves upward through the first slide groove, and the fixed sleeve column, the first gear, the second gear, the rack, the connecting rod and the first dust blocking plate cooperate with each other, thereby driving the first dust blocking plate to move to the installation position of the purification filter screen, thereby achieving the effect of blocking dust at the installation position; the overall device reduces the occurrence of the situation where the air to be filtered is discharged from the connection between the bottom of the filter screen and the installation position; thereby improving the filtering effect of the air purification equipment on the air.

[0015] 2. The utility model provides an air purification device for coal mines which is convenient for replacing filters. The spring column can push the second dust blocking plate to move inside the third slide groove, and finally the second dust blocking plate moves to the top of the sewage trough, thereby achieving the effect of blocking the sewage trough. When the first dust blocking plate moves inside the air purification device body, the first dust blocking plate squeezes the second dust blocking plate, and the impurities pushed by the first dust blocking plate can be discharged to the outside through the inside of the sewage trough, thereby improving the cleanliness of the bottom inner side of the air purification device body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0017] In the attached picture:

[0018] Figure 1 It is a three-dimensional diagram of the air purification device body of the utility model;

[0019] Figure 2 This is a three-dimensional diagram of the first dust blocking plate in the utility model;

[0020] Figure 3 It is a three-dimensional diagram of the first chute in the utility model;

[0021] Figure 4 yes Figure 3 A magnified image of point A;

[0022] Figure 5 It is a three-dimensional diagram of the second dust blocking plate in the utility model;

[0023] Figure 6 yes Figure 5 Enlarged view of point B.

[0024] Legend:

[0025] Air purification equipment body; 11. ventilation fan; 12. first slide groove; 13. fixed sleeve column; 14. purification filter; 15. second slide groove; 16. first gear; 17. second gear; 18. rack; 19. connecting rod; 110. first dust blocking plate; 2. third slide groove; 21. spring column; 22. second dust blocking plate; 23. sewage trough; 3. first magnetic plate; 31. second magnetic plate; 4. storage slot; 41. rotating column; 5. first sealing plate; 6. third dust blocking plate; 7. second sealing plate. DETAILED DESCRIPTION

[0026] 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 of 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.

[0027] Specific examples are given below.

[0028] See also Figure 1 - Figure 4The utility model provides an air purification device for coal mines with convenient filter replacement, comprising an air purification device body 1; ventilation fans 11 are arranged at both ends of the air purification device body 1; a first slide groove 12 is arranged through the top of the air purification device body 1; a fixed sleeve column 13 is slidably connected to the inner side of the first slide groove 12; a purification filter 14 is arranged inside the fixed sleeve column 13; second slide grooves 15 are arranged on both side walls of the inner side of the air purification device body 1; a first gear 16 is rotatably connected to the inner side of the second slide groove 15 ; The first gear 16 is meshed with the fixed sleeve 13; a pair of the first gears 16 are fixedly connected to the second gear 17 at one end away from each other; a pair of the second slide grooves 15 are slidably connected to the top of the inner side of the rack 18; the rack 18 and the second gear 17 are meshed with each other; a pair of the racks 18 are fixedly connected to the side wall of one side close to each other; a first dust blocking plate 110 is slidably connected to the inner side of the air purification device body 1; the top of the first dust blocking plate 110 is connected to the bottom of the pair of connecting rods 19; when working, the fixed sleeve In the process of driving the purification filter 14 downward through the inner side of the first slide groove 12, the fixed sleeve 13 and the first gear 16 are meshed with each other, thereby driving the second gear 17 to rotate, and driving the rack 18 to move away from the first gear 16 through the inner side of the second slide groove 15. During the movement of the rack 18, the connecting rod 19 and the first dust blocking plate 110 are driven to move, so that the first dust blocking plate 110 moves to the side of the fixed sleeve 13; the bottom of the purification filter 14 can directly fit with the inner bottom of the air purification device body 1; when When the purification filter 14 needs to be replaced, the fixed sleeve 13 moves upward through the first slide groove 12, and the fixed sleeve 13, the first gear 16, the second gear 17, the rack 18, the connecting rod 19 and the first dust blocking plate 110 cooperate with each other, thereby driving the first dust blocking plate 110 to move to the installation position of the purification filter 14, so as to achieve the effect of dust blocking the installation position; the overall device reduces the occurrence of the air to be filtered being discharged from the connection between the bottom of the filter and the installation position; thereby improving the filtering effect of the air purification equipment on the air.

[0029] like Figure 5As shown, a third slide groove 2 is fixedly connected to the bottom of the inner side of the air purification device body 1; multiple groups of spring columns 21 are fixedly connected to the side wall of the inner side of the third slide groove 2 away from the first dust blocking plate 110; a second dust blocking plate 22 is slidably connected to the inner side of the third slide groove 2; multiple groups of spring columns 21 and the second dust blocking plate 22 are connected to each other; a sewage discharge groove 23 is provided through the bottom of the inner side of the air purification device body 1; the sewage discharge groove 23 is provided on the side of the third slide groove 2 close to the first dust blocking plate 110; when working, The spring column 21 can push the second dust blocking plate 22 to move inside the third slide groove 2, and finally the second dust blocking plate 22 moves to the top of the sewage trough 23, thereby achieving the effect of blocking the sewage trough 23. When the first dust blocking plate 110 moves inside the air purification device body 1, the first dust blocking plate 110 squeezes the second dust blocking plate 22, and the impurities pushed by the first dust blocking plate 110 can be discharged to the outside through the inside of the sewage trough 23, thereby improving the cleanliness of the bottom inside the air purification device body 1.

[0030] like Figure 5 As shown, the first magnetic plate 3 is fixedly connected to the side wall of the inner side of the third slide groove 2 away from the second dust blocking plate 22; the second magnetic plate 31 is fixedly connected to the side wall of the second dust blocking plate 22 close to the first magnetic plate 3; the first magnetic plate 3 and the second magnetic plate 31 are both arranged on the inner side of multiple groups of spring columns 21; when working, the first magnetic plate 3 and the second magnetic plate 31 repel each other due to magnetic force, thereby achieving the effect of pushing the second dust blocking plate 22, reducing the load of the spring column 21 pushing the second dust blocking plate 22 for a long time, and improving the working life and working stability of the spring column 21.

[0031] like Figure 4 As shown, a pair of the second slide grooves 15 are provided with a plurality of groups of storage grooves 4 at the inner bottom; the plurality of groups of storage grooves 4 are rotatably connected with a rotating column 41 at the inner side; during operation, when the connecting rod 19 moves inside the second slide groove 15, the outer wall of the rotating column 41 and the side wall of the connecting rod 19 fit together and rotate therewith, and the rotating column 41 reduces the friction between the side wall of the connecting rod 19 and the inner bottom of the second slide groove 15 for a long time, resulting in high wear.

[0032] like Figure 6 As shown, the second dust blocking plate 22 is fixedly connected to the first sealing plate 5 at the bottom. During operation, when the second dust blocking plate 22 blocks the drain groove 23, the bottom of the first sealing plate 5 fits with the bottom of the inner side of the air purification device body 1, thereby reducing the occurrence of external air entering the interior of the air purification device body 1 through the connection between the drain groove 23 and the second dust blocking plate 22, and improving the sealing effect of the second dust blocking plate 22 on the drain groove 23.

[0033] like Figure 6As shown, a third dust blocking plate 6 is fixedly connected to the top of the second dust blocking plate 22; the third dust blocking plate 6 is arranged on the side of the second dust blocking plate 22 away from the third slide groove 2; during operation, when the first dust blocking plate 110 squeezes the second dust blocking plate 22, the first dust blocking plate 110 and the second dust blocking plate 22 fit together, and the bottom of the third dust blocking plate 6 fits together with the top of the first dust blocking plate 110, thereby achieving the effect of blocking impurities in the air inside the air purification device body 1, and reducing the accumulation of impurities at the connection between the first dust blocking plate 110 and the second dust blocking plate 22.

[0034] like Figure 4 As shown, the top ends of the two side walls on the inner side of the first slide groove 12 are fixedly connected with second sealing plates 7; a pair of the second sealing plates 7 are close to each other, and the side wall on one side is in contact with the side wall of the fixed sleeve 13; when working, the second sealing plates 7 can block external impurities, thereby reducing the occurrence of external impurities entering the interior of the air purification device body 1 through the connection between the first slide groove 12 and the fixed sleeve 13, thereby improving the cleanliness of the inside of the air purification device body 1; and reducing the workload of the air purification device body 1 that needs to be purified.

[0035] Working principle: During operation, the fixed sleeve 13 drives the purification filter 14 to move downward through the inner side of the first slide groove 12. Since the fixed sleeve 13 and the first gear 16 are meshed with each other, the second gear 17 is driven to rotate, and the rack 18 is driven to move away from the first gear 16 through the inner side of the second slide groove 15. During the movement of the rack 18, the connecting rod 19 and the first dust blocking plate 110 are driven to move, so that the first dust blocking plate 110 moves to the side of the fixed sleeve 13; the bottom of the purification filter 14 can be directly attached to the bottom of the inner side of the air purification device body 1; when the purification filter 14 needs to be replaced, the fixed sleeve 13 moves upward through the first slide groove 12, and through the fixed sleeve 13 and the first The gear 16, the second gear 17, the rack 18, the connecting rod 19 cooperate with the first dust blocking plate 110 to drive the first dust blocking plate 110 to move to the installation position of the purification filter 14, so as to achieve the effect of dust blocking the installation position; the overall device reduces the occurrence of the situation where the air to be filtered is discharged from the connection between the bottom of the filter and the installation position; thereby improving the filtering effect of the air purification equipment on the air; the spring column 21 can push the second dust blocking plate 22 to move inside the third slide groove 2, and finally the second dust blocking plate 22 moves to the top of the sewage trough 23, so as to achieve the effect of blocking the sewage trough 23. When the first dust blocking plate 110 moves inside the air purification equipment body 1, the first dust blocking plate 110 blocks the second dust blocking plate 22. The impurities pushed by the first dust blocking plate 110 can be discharged to the outside through the inner side of the sewage trough 23, thereby improving the cleanliness of the bottom of the inner side of the air purification device body 1; the first magnetic plate 3 and the second magnetic plate 31 repel each other due to magnetic force, thereby achieving the effect of pushing the second dust blocking plate 22, reducing the load of the spring column 21 pushing the second dust blocking plate 22 for a long time, and improving the working life and working stability of the spring column 21; during the movement of the connecting rod 19 inside the second slide groove 15, the outer wall of the rotating column 41 and the side wall of the connecting rod 19 fit together and rotate therewith, and the rotating column 41 reduces the friction between the side wall of the connecting rod 19 and the inner bottom of the second slide groove 15 for a long time, resulting in high wear; when the second dust blocking plate 2 2 When the sewage trough 23 is blocked, the bottom of the first sealing plate 5 fits with the bottom of the inner side of the air purification device body 1, thereby reducing the external air from entering the air purification device body 1 through the connection between the sewage trough 23 and the second dust blocking plate 22, and improving the sealing effect of the second dust blocking plate 22 on the sewage trough 23; when the first dust blocking plate 110 squeezes the second dust blocking plate 22, the first dust blocking plate 110 and the second dust blocking plate 22 fit together, and the bottom of the third dust blocking plate 6 fits with the top of the first dust blocking plate 110, thereby achieving the effect of blocking impurities in the air inside the air purification device body 1, and reducing the accumulation of impurities at the connection between the first dust blocking plate 110 and the second dust blocking plate 22;The second sealing plate 7 can block external impurities, thereby reducing the occurrence of external impurities entering the interior of the air purification device body 1 through the connection between the first slide groove 12 and the fixed sleeve column 13, improving the cleanliness of the inside of the air purification device body 1; and reducing the workload of the air purification device body 1 that needs to be purified. ;

[0036] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. An air purification device for coal mines with a filter screen that is easy to replace, comprising an air purification device body (1); Features: The air purification device body (1) is provided with ventilation fans (11) at both ends; a first slide groove (12) is provided through the top of the air purification device body (1); a fixed sleeve column (13) is slidably connected to the inside of the first slide groove (12); a purification filter (14) is provided on the inside of the fixed sleeve column (13); a second slide groove (15) is provided on both side walls of the inner side of the air purification device body (1); a first gear (16) is rotatably connected to the inside of the second slide groove (15); the first gear (16) and the fixed sleeve column (1 3) meshing with each other; a pair of the first gears (16) are fixedly connected to a second gear (17) at one end away from each other; a pair of the second slide grooves (15) are slidably connected to a rack (18) at the top of the inner side; the rack (18) and the second gear (17) are meshing with each other; a pair of the racks (18) are fixedly connected to a connecting rod (19) at one side of the side wall close to each other; a first dust blocking plate (110) is slidably connected to the inner side of the air purification device body (1); the top of the first dust blocking plate (110) and the bottom of the pair of connecting rods (19) are connected to each other.

2. An air purification device for coal mines with convenient filter replacement according to claim 1, Features: A third slide groove (2) is fixedly connected to the bottom of the inner side of the air purification device body (1); a plurality of groups of spring columns (21) are fixedly connected to the side wall of the inner side of the third slide groove (2) away from the first dust blocking plate (110); a second dust blocking plate (22) is slidably connected to the inner side of the third slide groove (2); the plurality of groups of spring columns (21) and the second dust blocking plate (22) are connected to each other; a sewage discharge groove (23) is provided through the bottom of the inner side of the air purification device body (1); the sewage discharge groove (23) is provided on the side of the third slide groove (2) close to the first dust blocking plate (110).

3. The air purification device for coal mines with convenient filter replacement according to claim 2, Features: A first magnetic plate (3) is fixedly connected to a side wall of the inner side of the third slide groove (2) away from the second dust blocking plate (22); a second magnetic plate (31) is fixedly connected to a side wall of the second dust blocking plate (22) close to the first magnetic plate (3); and the first magnetic plate (3) and the second magnetic plate (31) are both arranged on the inner side of the plurality of groups of spring columns (21).

4. The air purification device for coal mines with convenient filter replacement according to claim 1, Features: A pair of the second sliding grooves (15) are provided with a plurality of groups of storage grooves (4) at the bottom of the inner side thereof; the inner sides of the plurality of groups of storage grooves (4) are rotatably connected to a rotating column (41).

5. The air purification device for coal mines with convenient filter replacement according to claim 2, Features: A first sealing plate (5) is fixedly connected to the bottom of the second dust blocking plate (22).

6. The air purification device for coal mines with convenient filter replacement according to claim 2, Features: A third dust blocking plate (6) is fixedly connected to the top of the second dust blocking plate (22); the third dust blocking plate (6) is arranged on a side of the second dust blocking plate (22) away from the third chute (2).

7. The air purification device for coal mines with convenient filter replacement according to claim 1, Features: Second sealing plates (7) are fixedly connected to the top ends of both inner side walls of the first sliding groove (12); a pair of the second sealing plates (7) are close to each other and a side wall of the fixed sleeve column (13) is fitted to each other.

Images