Pneumatic roller shutter

Abstract

The utility model discloses a pneumatic roller shutter, which relates to the field of roller shutter doors and comprises a fixing frame, two guide rails are vertically and fixedly connected onto the fixing frame, a roller shutter body is slidably connected between the two guide rails, and a rolling assembly is fixedly connected between the tops of the two guide rails and used for rolling or unfolding the roller shutter body. The roller shutter body comprises a base material, a plurality of openings are formed in the base material, dustproof breathable nets are pasted to the openings through hook-and-loop fasteners, and the openings are covered with the dustproof breathable nets. The roller shutter has the beneficial effects that the dustproof breathable net is installed on the base material through the hook-and-loop fasteners, the dustproof breathable net can be conveniently detached for cleaning, the device is convenient to maintain, the rolling roller is rotated through the driving motor, opening or closing of the roller shutter body can be controlled, and when the driving motor is damaged or shut down, the rolling roller can be rotated through the hand-cranking assembly, and the dustproof breathable net can be conveniently detached. And the situation that the roller shutter body cannot be opened to affect work is avoided in case of unexpected needs.

Description

Technical Field

[0001] The utility model relates to the technical field of rolling shutter doors, in particular to a pneumatic rolling shutter. Background Art

[0002] Rolling shutter doors used in mining areas are mostly made of dust-proof and breathable materials. Due to the high dust content in mining areas, the mesh holes of rolling shutter doors will be blocked after a period of use, resulting in a sharp drop in ventilation effect. Existing rolling shutter doors are not convenient to disassemble and clean, and the winding roller needs to be disassembled together during disassembly, which is complicated and tedious. In addition, when the existing rolling shutter door drive equipment fails, most of them have no emergency opening plan, which makes the rolling shutter door unusable and affects work. Utility Model Content

[0003] The purpose of the present invention is to provide a pneumatic roller blind in order to solve the above problems, as described below.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] The utility model provides a pneumatic rolling shutter, comprising a fixing frame, two guide rails being vertically fixedly connected to the fixing frame, a shutter body being slidably connected between the two guide rails, and a winding assembly being fixedly connected between the tops of the two guide rails for winding or unfolding the shutter body;

[0006] The roller blind body includes a base material, a plurality of openings are formed on the base material, and a dustproof and breathable mesh is attached to the openings by Velcro, and the dustproof and breathable mesh covers the openings;

[0007] The winding assembly includes a winding roller for winding up the roller blind body, a driving motor for rotating the winding roller, and a hand crank assembly for manually rotating the winding roller.

[0008] The above-mentioned pneumatic roller shutter is provided with a detachable dust-proof and breathable net on the roller shutter body. The dust-proof and breathable net is removed from the base material for easy cleaning. The winding roller is rotated by the driving motor, and the roller shutter body is wound or released by the winding roller to control the opening or closing of the roller shutter body. When the driving motor is damaged or stops, the winding roller can be rotated by the hand-crank assembly for emergency use.

[0009] Preferably, a counterweight beam is fixedly connected to the bottom of the substrate.

[0010] Preferably, sliders are fixedly connected to both sides of the counterweight beam, and the two sliders are slidably connected to the two guide rails respectively.

[0011] Preferably, two sealing strips are fixedly connected to the guide rail, and the two sealing strips are in contact with the front and rear sides of the substrate respectively.

[0012] Preferably, the winding assembly includes two fixed plates and a driving motor, the two fixed plates are fixedly connected to the upper ends of the two guide rails, a rotating shaft 1 is rotatably connected between the two fixed plates, a winding roller is fixedly connected to the rotating shaft 1, the driving motor is fixedly connected to any one of the guide rails, the output shaft of the driving motor is rotatably connected to the rotating shaft 1 through a torque limiter, and the upper side of the substrate is fixedly connected to the winding roller.

[0013] Preferably, the hand-cranked assembly includes a second rotating shaft and a third rotating shaft, which are rotatably connected to any one of the guide rails through a bearing seat, and the second rotating shaft and the first rotating shaft are respectively fixedly connected with synchronous wheels, and the two synchronous wheels are connected through a synchronous belt transmission, and the second rotating shaft and the third rotating shaft are both fixedly connected with sprockets, and the two sprockets are connected through a chain transmission.

[0014] Preferably, a crank is fixedly connected to the third rotating shaft.

[0015] Preferably, the driving motor is a pneumatic motor.

[0016] The beneficial effects are:

[0017] 1. The dustproof and breathable net is installed on the base material by setting Velcro, which is convenient for disassembly and cleaning, making the equipment easy to maintain. The opening or closing of the roller shutter body can be controlled by rotating the winding roller by the driving motor. When the driving motor is damaged or stops, the winding roller can be rotated by the hand crank component to prepare for emergency needs and avoid the roller shutter body being unable to open and affecting the work process;

[0018] 2. Use pneumatic motors to avoid sparks and fires;

[0019] 3. Setting a sealing strip can improve the sealing between the roller shutter body and the guide rail. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 This is a front view structural diagram of the utility model;

[0022] Figure 2 This is a right-side structural diagram of the present utility model;

[0023] Figure 3 This is a schematic diagram of the three-dimensional structure of the utility model;

[0024] Figure 4 This is a schematic diagram of the explosion structure of the roller shutter body of the utility model;

[0025] Figure 5 It is a schematic diagram of the three-dimensional structure of the winding component of the utility model.

[0026] The following are the descriptions of the reference numerals:

[0027] 1. Fixed frame; 2. Guide rail; 3. Winding assembly; 4. Roller shutter body; 5. Hand crank assembly; 6. Base material; 7. Velcro; 8. Opening; 9. Dust-proof and breathable net; 10. Counterweight beam; 11. Slider; 12. Fixed plate; 13. Rotating shaft 1; 14. Winding roller; 15. Torque limiter; 16. Drive motor; 17. Sprocket; 18. Rotating shaft 2; 19. Synchronous pulley; 20. Synchronous belt; 21. Chain; 22. Rotating shaft 3; 23. Sealing strip. DETAILED DESCRIPTION

[0028] To make the purpose, technical solution, and advantages of the present invention more clear, the technical solution of the present invention will be described in detail below. Obviously, the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0029] See also Figure 1-Figure 5 As shown, the utility model provides a pneumatic roller shutter, comprising a fixing frame 1, two guide rails 2 are vertically fixedly connected to the fixing frame 1, a roller shutter body 4 is slidably connected between the two guide rails 2, and a winding assembly 3 is fixedly connected between the tops of the two guide rails 2 for winding or unfolding the roller shutter body 4;

[0030] The roller shutter body 4 includes a base material 6, which is provided with a plurality of openings 8. A dustproof and breathable mesh 9 is attached to the openings 8 via Velcro 7, and the dustproof and breathable mesh 9 covers the openings 8.

[0031] The winding assembly 3 includes a winding roller 14 for winding up the roller blind body 4 , a driving motor 16 for rotating the winding roller 14 , and a hand crank assembly 5 for manually rotating the winding roller 14 .

[0032] As an optional embodiment, a counterweight beam 10 is fixedly connected to the bottom of the base material 6. The provision of the counterweight beam 10 can improve the flatness of the surface of the roller shutter body 4 and prevent the roller shutter body 4 from separating from the guide rail 2.

[0033] Slide blocks 11 are fixedly connected to both sides of the counterweight beam 10 . The two slide blocks 11 are slidably connected to the two guide rails 2 respectively. The stability of the counterweight beam 10 can be improved by the slide blocks 11 .

[0034] Two sealing strips 23 are fixedly connected to the guide rail 2 , and the two sealing strips 23 are in contact with the front and rear sides of the substrate 6 respectively. The provision of the sealing strips 23 can improve the sealing between the roller shutter body 4 and the guide rail 2 .

[0035] The winding assembly 3 includes two fixed plates 12 and a drive motor 16. The two fixed plates 12 are fixedly connected to the upper ends of the two guide rails 2. A rotating shaft 13 is rotatably connected between the two fixed plates 12. A winding roller 14 is fixedly connected to the rotating shaft 13. The drive motor 16 is fixedly connected to any one of the guide rails 2. The output shaft of the drive motor 16 is rotatably connected to the rotating shaft 13 through a torque limiter 15. The upper side of the substrate 6 is fixedly connected to the winding roller 14.

[0036] The torque limiter 15 is rotated by driving the motor 16 , and the torque limiter 15 rotates the rotating shaft 13 .

[0037] The hand crank assembly 5 includes a second rotating shaft 18 and a third rotating shaft 22. The second rotating shaft 18 and the third rotating shaft 22 are rotatably connected to any one of the guide rails 2 through a bearing seat. The second rotating shaft 18 and the first rotating shaft 13 are respectively fixedly connected with a synchronous wheel 19. The two synchronous wheels 19 are connected by a synchronous belt 20. The second rotating shaft 18 and the third rotating shaft 22 are both fixedly connected with a sprocket 17. The two sprockets 17 are connected by a chain 21.

[0038] The rotating shaft 3 22 is fixedly connected with a crank.

[0039] By turning the crank handle, the rotating shaft 3 22 can cooperate with the two sprockets 17 and the chain 21 to rotate the rotating shaft 2 18 , and the rotating shaft 2 18 can cooperate with the two synchronous wheels 19 and the synchronous belt 20 to rotate the rotating shaft 13 and the winding roller 14 .

[0040] The driving motor 16 is a pneumatic motor, which does not generate electric sparks when running, making the device suitable for use in the mining industry.

[0041] With the above structure, a detachable dust-proof and breathable net 9 is provided on the roller shutter body 4. The dust-proof and breathable net 9 is removed from the base material 6 for easy cleaning. The winding roller 14 is rotated by the driving motor 16, and the rolling shutter body 4 is wound or released by the winding roller 14. The opening or closing of the rolling shutter body 4 can be controlled. When the driving motor 16 is damaged or stopped, the winding roller 14 can be rotated by the hand-crank assembly 5 for emergency use.

[0042] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A pneumatic roller shutter, characterized in that: The invention comprises a fixed frame (1), two guide rails (2) are vertically fixedly connected to the fixed frame (1), a roller shutter body (4) is slidably connected between the two guide rails (2), and a winding assembly (3) is fixedly connected between the tops of the two guide rails (2) for winding or unfolding the roller shutter body (4); The roller blind body (4) comprises a base material (6), a plurality of openings (8) are provided on the base material (6), and a dustproof and breathable net (9) is attached to the openings (8) via Velcro (7), and the dustproof and breathable net (9) covers the openings (8); The winding assembly (3) comprises a winding roller (14) for winding up the roller blind body (4), a driving motor (16) for rotating the winding roller (14), and a hand crank assembly (5) for manually rotating the winding roller (14).

2. A pneumatic roller shutter according to claim 1, characterized in that: A counterweight beam (10) is fixedly connected to the bottom of the base material (6).

3. The pneumatic roller shutter according to claim 2, characterized in that: Slide blocks (11) are fixedly connected to both sides of the counterweight beam (10), and the two slide blocks (11) are slidably connected to the two guide rails (2) respectively.

4. The pneumatic roller shutter according to claim 1, characterized in that: Two sealing strips (23) are fixedly connected inside the guide rail (2), and the two sealing strips (23) are in contact with the front and rear sides of the base material (6) respectively.

5. The pneumatic roller shutter according to claim 1, characterized in that: The winding assembly (3) includes two fixed plates (12) and a driving motor (16). The two fixed plates (12) are fixedly connected to the upper ends of the two guide rails (2), respectively. A rotating shaft (13) is rotatably connected between the two fixed plates (12). A winding roller (14) is fixedly connected to the rotating shaft (13). The driving motor (16) is fixedly connected to any one of the guide rails (2). The output shaft of the driving motor (16) is rotatably connected to the rotating shaft (13) through a torque limiter (15). The upper side of the substrate (6) is fixedly connected to the winding roller (14).

6. The pneumatic roller shutter according to claim 1, characterized in that: The hand crank assembly (5) includes a second rotating shaft (18) and a third rotating shaft (22), and the second rotating shaft (18) and the third rotating shaft (22) are rotatably connected to any one of the guide rails (2) through a bearing seat. The second rotating shaft (18) and the first rotating shaft (13) are respectively fixedly connected with a synchronous wheel (19), and the two synchronous wheels (19) are connected by a synchronous belt (20). The second rotating shaft (18) and the third rotating shaft (22) are both fixedly connected with a sprocket (17), and the two sprockets (17) are connected by a chain (21).

7. The pneumatic roller shutter according to claim 6, characterized in that: The rotating shaft 3 (22) is fixedly connected with a crank.

8. The pneumatic roller shutter according to claim 5, characterized in that: The driving motor (16) is a pneumatic motor.

Images