CN218624291U - Regulation formula ventilation unit - Google Patents

Abstract

The utility model relates to a regulation formula ventilation unit, including ventilation case, air-supply line and exhaust pipe, the upper surface of ventilation case is close to one side border department and rotates and has inserted the air-supply line, the center department of ventilation case side is connected with the exhaust pipe, the ventilation case is kept away from on one side inner wall of exhaust pipe the fixed motor that is provided with, the output shaft of motor has the bull stick, the one end that the motor was kept away from to the bull stick is connected with the fixed block, be provided with a plurality of flabellums on the fixed block, be provided with the baffle in the ventilation case, the shifting chute has all been seted up on the both sides outer wall of exhaust pipe, the equal activity in the shifting chute is provided with the regulating plate, two one side that the regulating plate was kept away from each other all is connected with the connecting rod, two the one end that the connecting rod was kept away from each other is connected with the riser respectively, utilizes two regulating plates to remove in the shifting chute on the exhaust pipe, can adjust the air output of exhaust pipe department according to actual need, improves the practicality of the device when using.

Description

An adjustable ventilation device

technical field

The present application relates to the technical field of coal mine ventilation, in particular to an adjustable ventilation device.

Background technique

In the process of coal mine mining, it is necessary to improve the ventilation effect in the mine, to provide sufficient fresh air in the mine, and to provide the required oxygen for the construction workers. At the same time, a large amount of dust will be generated during mining, and the accumulation of high-concentration dust will directly affect The health of the workers, so ventilation is needed to improve the mining working environment and create a safe workplace;

At present, the utility model patent No. CN216477432U discloses an adjustable coal mine ventilation device. The ventilation box is provided with a rectangular slot, and a filter plate is provided on one side of the rectangular slot. Drive shaft, the outer wall of the drive shaft is provided with fan blades, one end of the drive shaft is provided with a drive mechanism, the drive shaft is connected to a positioning shaft through an adjustment mechanism, one end of the positioning shaft is provided with a displacement mechanism, and the positioning shaft The other end is connected with a driven shaft through a clamping structure, and the driven shaft is connected with a cleaning plate through a reciprocating mechanism. One end of the cleaning plate is against the side wall of the filter plate, and the side wall of the rectangular groove at the bottom of the cleaning plate is opened. There is a material storage tank, and one side of the rectangular tank is provided with multiple air outlets connected to the outside. The motor drives the drive shaft and the fan blades on the drive shaft to rotate, and cooperates with the filter plate to effectively remove the dust in the mine. Filtration improves the working environment in the mine, not only avoids the damage caused by dust to the equipment, but also avoids the harm caused by dust to the human body. At the same time, the drive shaft drives the cleaning plate to move up and down, which can effectively collect the dust on the filter plate Cleaning saves people's time and labor for manual cleaning, thereby improving work efficiency.

During the actual use of the device, the filtered air is discharged through multiple air outlets. Since the air outlets are fixed, it is inconvenient to adjust the air output according to the actual situation, which reduces the practicability, so it needs to be improved.

Utility model content

In order to solve the problems raised in the background technology above, the present application provides an adjustable ventilation device.

The application provides an adjustable ventilation device adopting the following technical scheme:

An adjustable ventilation device, including a ventilation box, an air inlet pipe and an air exhaust pipe, the upper surface of the ventilation box is rotated and inserted near the edge of one side, and the center of one side of the ventilation box is connected with an exhaust pipe. An air duct, a motor is fixedly arranged on the inner wall of the ventilation box away from the exhaust duct, the output shaft of the motor is connected to a rotating rod, and the end of the rotating rod far away from the motor is connected to a fixed block, and the fixed block is A plurality of fan blades are provided, a partition is provided in the ventilation box, a filter screen is provided on the partition, and moving slots are opened on the outer walls of both sides of the exhaust pipe, and the moving slots are movable. Adjusting plates are provided, connecting rods are connected to the sides of the two adjusting plates that are far away from each other, and vertical plates are respectively connected to the ends of the two connecting rods that are far away from each other.

Preferably, the outer wall of the ventilation box is provided with ear blocks at both ends below the exhaust pipe, the two ear blocks are rotated through threaded rods, and the middle of the threaded rods is covered with a rotating sleeve. Both ends of the threaded rod are covered with threaded tubes, and the ends of the two threaded tubes away from the threaded rod are respectively connected to the bottom ends of the two vertical plates.

Preferably, a limit rod is connected to the threaded cylinder, and the limit rod passes through the ear piece.

Preferably, two fixed plates are arranged on the upper surface of the ventilation box close to the air inlet pipe, and a worm screw is rotated between the two fixed plates, and a worm wheel is fixed on the air inlet pipe, so that Mesh connection between the worm wheel and the worm.

Preferably, the rotating rod is fixedly covered with a rotating rod on the left side of the filter screen, and a cleaning brush is provided on the side of the rotating rod close to the filter screen, and the cleaning brush is in contact with the surface of the filter screen.

Preferably, a dust box is slidably arranged on the inner bottom wall of the ventilation box at the left side of the filter screen.

In summary, the application includes the following beneficial technical effects:

1. The utility model is connected with an exhaust pipe on one side of the ventilation box, and the outer walls of both sides of the exhaust pipe are provided with moving slots, and adjusting plates are movable in the moving slots. The movement in the moving slot on the exhaust pipe can adjust the air volume at the exhaust pipe according to actual needs, improving the practicability of the device in use;

2. There are two ear pieces on the outer wall of the ventilation box below the exhaust pipe. There are threaded rods passing through the two ear pieces. The middle of the threaded rod is covered with a rotating sleeve. Threaded barrel, two threaded barrels are connected with vertical plates, and the two vertical plates are provided with connecting rods on the opposite sides of the top ends, and the opposite ends of the two connecting rods are respectively connected with the two adjustment plates. Drive the threaded rod to rotate, use the movement of the threaded cylinder on the threaded rod to drive the connecting rods at the top of the two vertical plates to approach each other, and then realize the function of the two adjusting plates approaching each other in the moving groove;

3. There are two fixed plates on the upper surface of the ventilation box close to the air inlet pipe. A worm is rotated between the two fixed plates, and a worm wheel is fixed on the air inlet pipe. The worm gear and the worm are meshed and connected. By rotating the worm, the worm drives the worm wheel to rotate, and the rotating worm wheel drives the air inlet pipe to rotate on the ventilation box, thereby flexibly adjusting the air inlet position of the air inlet pipe.

Description of drawings

Fig. 1 is a schematic structural view of an adjustable ventilation device in the embodiment of the present application;

Fig. 2 is a structural cross-sectional view of an adjustable ventilation device in the embodiment of the present application;

Fig. 3 is an enlarged view of the structure at A in Fig. 1 of an adjustable ventilation device in the embodiment of the present application;

Fig. 4 is an enlarged view of the structure at B in Fig. 1 of an adjustable ventilation device in the embodiment of the present application.

Description of reference signs: 1. ventilation box; 2. air inlet pipe; 3. exhaust pipe; 4. motor; 5. rotating rod; 6. fan blade; 7. clapboard; 8. filter screen; 10. Fixed plate; 11. Worm screw; 12. Ear block; 13. Threaded rod; 14. Swivel; 15. Threaded cylinder; 16. Riser; 20, connecting rod; 21, dust collecting box; 22, rotating rod.

Detailed ways

The present application will be described in further detail below in conjunction with accompanying drawings 1-4.

The embodiment of the present application discloses an adjustable ventilation device. Referring to Figures 1-4, an adjustable ventilation device includes a ventilation box 1, an air inlet pipe 2, and an exhaust pipe 3. The upper surface of the ventilation box 1 is inserted into the air inlet pipe 2 through bearing rotation near one side edge, and then The top of the air duct 2 is provided with a suction hood, the bottom of the air inlet duct 2 is inserted into the interior of the ventilation box 1, and the center of one side of the ventilation box 1 is connected with an exhaust duct 3, and both the air intake duct 2 and the exhaust duct 3 are provided with A motor 4 is fixedly arranged on the inner wall of the ventilation box 1 away from the exhaust pipe 3, the output shaft of the motor 4 is connected with a rotating rod 5, and the end of the rotating rod 5 far away from the motor 4 is connected with a fixed block, and the fixed block is provided with There are a plurality of fan blades 6, a partition 7 is arranged in the ventilation box 1, and a filter screen 8 is arranged in a circular groove provided on the partition 7, and the cross section of the filter screen 8 is set to be circular, and on the outer walls of both sides of the exhaust pipe 3 Both are provided with moving slots 18, and adjusting plates 17 are movably arranged in the moving slots 18, connecting rods 20 are connected to the sides of the two adjusting plates 17 that are far away from each other, and vertical plates are respectively connected to the ends of the two connecting rods 20 that are far away from each other. 16. Use two adjustment plates 17 to move in the moving groove 18 on the exhaust pipe 3, the air output at the exhaust pipe 3 can be adjusted according to actual needs, and the practicability of the device can be improved. The ventilation box 1 The outer wall is located at both ends of the bottom of the exhaust pipe 3 and is fixedly provided with ear pieces 12. The two ear pieces 12 are rotated to pass through threaded rods 13. The thread directions on both sides of the threaded rods 13 are opposite, and the middle of the threaded rods 13 There is a rotating sleeve 14 fixed at the fixed place, and threaded cylinders 15 are sleeved at both ends of the threaded rod 13. Internal threads are provided on the inner wall of the threaded cylinder 15, and the ends of the two threaded cylinders 15 away from the threaded rod 13 are respectively connected with two vertical shafts. The bottom ends of the plates 16 are connected to each other. By rotating the rotary sleeve 14, the rotary sleeve 14 drives the threaded rod 13 to rotate. When the threaded rod 13 rotates, the movement of the threaded cylinder 15 on the threaded rod 13 drives the tops of the two vertical plates 16. The connecting rods 20 are close to each other, so as to realize the function that the two adjustment plates 17 are close to each other in the moving groove 18. The threaded cylinder 15 is connected with a limit rod 19, and the limit rod 19 passes through the ear piece 12, and the ear piece 12 is provided with a limit The through hole through which the position rod 19 passes, when the limit rod 19 rotates on the threaded rod 13, it plays a position-limiting effect on the threaded cylinder 15, so that the threaded cylinder 15 can move on the threaded rod 13 smoothly.

Referring to Fig. 1-3, two fixing plates 10 are arranged on the upper surface of the ventilation box 1 close to the position of the air inlet pipe 2, and a worm 11 is arranged to rotate between the two fixing plates 10, and the fixed sleeve on the air inlet pipe 2 is Worm wheel 9, meshing connection between worm wheel 9 and worm screw 11, by rotating worm screw 11, worm screw 11 drives worm wheel 9 to rotate, and rotating worm wheel 9 drives air inlet pipe 2 to realize rotation on ventilation box 1, and then the air inlet pipe 2 The wind position is flexibly adjusted, and the left side of the filter screen 8 on the rotary rod 5 is fixedly covered with a rotary rod 22. The side of the rotary rod 22 near the filter screen 8 is provided with a cleaning brush, and the cleaning brush is in contact with the surface of the filter screen 8. Contact, the center of the filter screen 8 is provided with a bearing through which the rotating rod 5 rotates. When the motor 4 drives the fan blade 6 at one end of the rotating rod 5 to rotate, it drives the rotating rod 22 to rotate synchronously, and then drives the cleaning of the inside of the rotating rod 22. The brush cleans the dust accumulated on the filter screen 8 to improve work efficiency. The inner bottom wall of the ventilation box 1 is located at the left side of the filter screen 8 and is slidably provided with a dust collection box 21, and the outer wall of the ventilation box 1 is provided with a dust collection box 21 A movable rectangular groove, a slide groove is provided on the outer wall of the dust box 21 near the partition 7, and a slide rail is provided on the side of the partition 7, and the cross sections of the slide rail and the slide groove are in a "T" shape. The sliding of 21 in the ventilation box 1 is convenient for cleaning the dust in the dust collecting box 21.

The implementation principle of an adjustable ventilation device in the embodiment of the present application is as follows: first, start the motor 4, and the motor 4 drives the fan blade 6 at one end of the rotating rod 5 to rotate in the ventilation box 1, and the air is sucked into the ventilation box 1 through the air inlet pipe 2 Inside, the coal dust in the air is filtered by the filter screen 8 on the partition 7, and the rotating rod 5 drives the rotating rod 22 to rotate synchronously, and the cleaning brush on the inside of the rotating rod 22 cleans the coal dust filtered out on the filter screen 8. Clean up to reduce the occurrence of filter screen 8 blockage. By rotating the worm 11, the worm 11 drives the worm wheel 9 and the air inlet pipe 2 to rotate on the ventilation box 1, and then flexibly adjusts the air inlet position of the air inlet pipe 2. Rotate the rotary sleeve 14, the rotary sleeve 14 drives the threaded rod 13 to rotate on the two lugs 12, and when the threaded rod 13 is rotating, the movement of the threaded cylinder 15 on the threaded rod 13 is used to drive the connection at the top of the two vertical plates 16. The rods 20 approach each other, and then drive the two adjustment plates 17 to approach each other in the moving groove 18, and the air volume at the exhaust pipe 3 can be adjusted according to actual needs, so as to improve the practicability of the device in use, and finally pass through the filter screen 8. The filtered gas is discharged from the exhaust pipe 3, and the coal dust dropped by the cleaning brush falls into the dust box 21, and the dust box 21 is pulled out from the ventilation box 1 for centralized processing.

All of the above are preferred embodiments of the application, and are not intended to limit the protection scope of the application. Therefore, all equivalent changes made according to the structure, shape, and principle of the application should be covered by the protection scope of the application. Inside.

Claims (6)

1. An adjustable ventilation device, including a ventilation box (1), an air inlet pipe (2) and an exhaust pipe (3). The upper surface of the ventilation box (1) is rotated and inserted with an inlet near the side edge. Pipe (2), the exhaust pipe (3) is connected to the center of one side of the ventilation box (1), characterized in that: the ventilation box (1) is fixed on the inner wall of the side away from the exhaust pipe (3) A motor (4) is provided, the output shaft of the motor (4) is connected to a rotating rod (5), and the end of the rotating rod (5) far away from the motor (4) is connected to a fixed block, and the fixed block is provided with A plurality of fan blades (6), the ventilation box (1) is provided with a partition (7), the partition (7) is provided with a filter screen (8), the two sides of the exhaust pipe (3) There are moving grooves (18) on the side outer walls, and adjusting plates (17) are movable in the moving grooves (18), and the sides of the two adjusting plates (17) that are far away from each other are connected with connecting rods ( 20), the ends of the two connecting rods (20) far away from each other are respectively connected with vertical plates (16). 2. An adjustable ventilation device according to claim 1, characterized in that: the outer wall of the ventilation box (1) is provided with ear pieces (12) at both ends below the exhaust pipe (3), The two ear pieces (12) are rotated through a threaded rod (13), the middle of the threaded rod (13) is covered with a rotating sleeve (14), and both ends of the threaded rod (13) are Threaded barrels (15) are sheathed, and the ends of the two threaded barrels (15) away from the threaded rods (13) are respectively connected to the bottom ends of the two vertical plates (16). 3. An adjustable ventilation device according to claim 2, characterized in that: the threaded barrel (15) is connected with a limit rod (19), and the limit rod (19) passes through the ear piece (12 ). 4. An adjustable ventilation device according to claim 1, characterized in that two fixing plates (10) are arranged on the upper surface of the ventilation box (1) close to the air inlet pipe (2), A worm is installed between the two fixed plates (10), and a worm wheel (11) (9) is fixed on the air inlet pipe (2). Between the worm wheel (11) (9) and the worm Mesh connection. 5. An adjustable ventilation device according to claim 1, characterized in that: the rotating rod (5) is fixed on the left side of the filter screen (8) with a rotating rod (22), the A cleaning brush is provided on the side of the rotating rod (22) close to the filter screen (8), and the cleaning brush is in contact with the surface of the filter screen (8). 6. An adjustable ventilation device according to claim 1, characterized in that: the inner bottom wall of the ventilation box (1) is located on the left side of the filter screen (8) and is slidably provided with a dust collection box (21) .

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