Gas-collecting hood with roller shutter structure

Abstract

The utility model relates to the technical field of gas-collecting hoods, and discloses a gas-collecting hood with a roller shutter structure. The gas-collecting hood with the roller shutter structure comprises a supporting groove, four supporting frames are fixedly installed on the periphery of the supporting groove, a motor is fixedly installed on one side of each supporting frame, a rotating rod is fixedly installed on one side of each motor, a bearing is movably connected to the outer side of the middle of each rotating rod, and the outer side of the middle of each rotating rod is movably connected with a roller shutter. The outer side of the rotating rod is movably connected with a roller shutter body, and hook-and-loop fasteners are fixedly installed on the two sides of the roller shutter body. The rotating rod can be driven to rotate through operation of the motor, so that the roller shutter bodies are rolled and extend, the height of the roller shutter is adjusted, gaps between every two adjacent roller shutter bodies can be attached through the hook-and-loop fasteners on the two sides of the roller shutter bodies, smoke can be shielded, and the smoke can be prevented from entering the roller shutter bodies. The practicability of the gas collecting hood with the roller shutter structure is improved, and extension and rolling of the roller shutter body can be facilitated through the balance weight rod in the supporting pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of gas collecting hoods, in particular to a gas collecting hood with a rolling curtain structure. Background Art

[0002] The fume hood is a collection device for pollution sources in the flue gas purification system. Its main function is to introduce dust and gas pollution sources into the purification system, while preventing these pollutants from spreading to the production workshop and the atmosphere, thereby avoiding environmental pollution.

[0003] An existing Chinese utility model patent with reference number CN219616339U discloses a gas collection hood comprising a gas collection hood body, a butterfly valve, a pneumatic conveyor, and a smoke collection pipe. The output end of the gas collection hood body is connected to one side of the butterfly valve; the valve stem of the butterfly valve is provided with an adjustment lever; the other side of the butterfly valve is connected to the input end of the pneumatic conveyor; the air inlet of the pneumatic conveyor is connected to a compressed air source; and the output end of the pneumatic conveyor is connected to the smoke collection pipe. This utility model can improve the adsorption capacity of smoke-laden airflow.

[0004] The existing gas collecting hood has poor gas collection effect when in use, and it is inconvenient to adjust the height of the curtain, resulting in poor gas collection effect of the equipment. The curtain also has poor smoke blocking effect and is prone to shaking, making the equipment inconvenient to use. Utility Model Content

[0005] (1) Technical problems solved

[0006] In view of the deficiencies in the prior art, the present invention provides an air collecting hood with a rolling curtain structure, which has the advantages of good automatic rolling curtain effect and solves the above technical problems.

[0007] (2) Technical solution

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solution: an air collecting hood with a rolling curtain structure, comprising:

[0009] A support groove, four support frames are fixedly installed around the support groove, and the support frame is in a "U" shape. A motor is fixedly installed on one side of the support frame, and a rotating rod is fixedly installed on one side of the motor. The middle outer side of the rotating rod is movably connected with a bearing, and the outer side of the rotating rod is movably connected with a roller shutter body, and Velcro is fixedly installed on both sides of the roller shutter body. Support tubes are fixedly installed on both sides of the bottom of the roller shutter body, and a counterweight rod is movably connected inside the support tube, and a connecting ring is movably connected to the middle outer side of the counterweight rod, and a pull ring is fixedly installed on the bottom of the connecting ring, and the pull ring is in a ring shape.

[0010] As a preferred technical solution of the present utility model, the support groove presents a "mouth" - shaped configuration. A gas collection hood body is fixedly installed at the top of the support groove, and the gas collection hood body is a structure for gas collection.

[0011] As a preferred technical solution of the present utility model, a connection box is fixedly installed at the top of the gas collection hood body, and the connection box is a structure for connection.

[0012] As a preferred technical solution of the present utility model, an air outlet pipe is fixedly installed on one side of the connection box, and the air outlet pipe is a structure for discharging gas.

[0013] As a preferred technical solution of the present utility model, an installation groove is fixedly installed at the top of the support frame. The installation groove presents a "U" - shaped configuration, and the installation groove is a structure for installation.

[0014] As a preferred technical solution of the present utility model, telescopic rods are fixedly installed inside both sides of the installation groove. Two damping rotating shafts are movably connected to both sides inside the installation groove, and the damping rotating shaft is a structure for having damping rotation.

[0015] As a preferred technical solution of the present utility model, a support rod is fixedly installed on one side of the damping rotating shaft, and a rubber roller is fixedly installed on the outer side of the support rod. The rubber roller is a structure for fitting.

[0016] Compared with the prior art, the present utility model provides a gas collection hood with a rolling curtain structure, having the following beneficial effects:

[0017] 1. By the operation of the motor in the present utility model, the rotating rod can be driven to rotate, so that the rolling curtain body is retracted and extended, thereby adjusting the height of the rolling curtain. Through the magic tapes on both sides of the rolling curtain body, the gaps between two adjacent rolling curtain bodies can be fitted, so as to block the flue gas, improving the practicability and convenience of the gas collection hood with a rolling curtain structure. Through the counterweight rod inside the support tube, it is convenient for the extension and retraction of the rolling curtain body. Through the pull - ring at the bottom of the connection ring, the rolling curtain body can be fixed, improving the practicability of the gas collection hood with a rolling curtain structure.

[0018] 2. In the present utility model, the telescopic rods can adjust the height of the installation groove. Thus, when the rolling curtain body is retracted, the rubber roller can be made to fit the top of the rolling curtain body. When the rolling curtain body is retracted, the damping rotation of the damping rotating shaft can improve the retraction effect of the rolling curtain body, avoiding the problems of slack and jamming, and improving the practicability and convenience of the gas collection hood with a rolling curtain structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0020] Figure 2 This is a schematic diagram of the support groove of the utility model;

[0021] Figure 3 This is a schematic diagram of the support frame of the utility model;

[0022] Figure 4 This is a schematic diagram of the main body of the roller shutter of the utility model;

[0023] Figure 5 This is a schematic diagram of the installation slot of the utility model.

[0024] Among them: 1. Support groove; 11. Air hood body; 12. Connection box; 13. Exhaust pipe; 2. Support frame; 21. Motor; 22. Rotating rod; 23. Bearing; 3. Roller shutter body; 31. Velcro; 32. Support tube; 33. Counterweight rod; 34. Connecting ring; 35. Pull ring; 4. Installation groove; 41. Telescopic rod; 42. Damping shaft; 43. Support rod; 44. Rubber roller. DETAILED DESCRIPTION

[0025] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0026] In the description of this utility model, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction, and therefore should not be construed as limiting this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0027] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0028] See also Figure 1 - Figure 5In this embodiment, a gas collecting hood with a rolling curtain structure includes: a support groove 1, the support groove 1 is in a "mouth" shape, and the gas collecting hood body 11 is fixedly installed on the top of the support groove 1.

[0029] A connection box 12 is fixedly mounted on the top of the gas collecting hood body 11 .

[0030] An air outlet pipe 13 is fixedly mounted on one side of the connection box 12 .

[0031] Specifically, the smoke is supported by the support groove 1 and sent into the interior of the exhaust pipe 13 through the connection box 12 via the exhaust hood body 11 .

[0032] Four support frames 2 are fixedly installed around the support groove 1. The support frames 2 are in a "U" shape. A motor 21 is fixedly installed on one side of the support frame 2. A rotating rod 22 is fixedly installed on one side of the motor 21. A bearing 23 is movably connected to the middle outer side of the rotating rod 22.

[0033] Specifically, the support frame 2 supports and the motor 21 is operated to drive the rotating rod 22 to rotate, so that the rotating rod 22 can rotate inside the bearing 23, thereby improving the practicality of the air collecting hood with a rolling curtain structure.

[0034] The outer side of the rotating rod 22 is movably connected to the roller shutter body 3, and Velcro 31 is fixedly installed on both sides of the roller shutter body 3. Support tubes 32 are fixedly installed on both sides of the bottom of the roller shutter body 3. The inside of the support tube 32 is movably connected to the counterweight rod 33, and the middle outer side of the counterweight rod 33 is movably connected to the connecting ring 34. A pull ring 35 is fixedly installed on the bottom of the connecting ring 34, and the pull ring 35 is annular in shape.

[0035] Specifically, the gap between two adjacent roller blind bodies 3 can be connected by the Velcro 31 on both sides of the roller blind body 3, and the counterweight rod 33 can achieve a counterweight effect, thereby avoiding the problem of shaking of the roller blind body 3.

[0036] A mounting groove 4 is fixedly mounted on the top of the support frame 2 , and the mounting groove 4 is in a “U” shape.

[0037] Telescopic rods 41 are fixedly installed inside the two sides of the installation slot 4 , and two damping shafts 42 are movably connected to the two sides of the installation slot 4 .

[0038] A support rod 43 is fixedly mounted on one side of the damping shaft 42 , and a rubber roller 44 is fixedly mounted on the outer side of the support rod 43 .

[0039] Specifically, the installation slot 4 can be driven to move up and down by the telescopic rod 41 , thereby adjusting the height of the installation slot 4 , and the rubber roller 44 can be made to rotate with damping by the damping shafts 42 on both sides of the support rod 43 .

[0040] When in use, first, the air collecting hood with a rolling curtain structure is placed in a designated position, and the smoke can be extracted through the air collecting hood main body 11 and then sent into the interior of the exhaust pipe 13 through the connecting box 12, so as to perform the air collecting operation. It is supported by the support groove 1, which improves the practicality of the air collecting hood with a rolling curtain structure. It is supported by the support frame 2, and the operation of the motor 21 on one side of the support frame 2 can drive the rotating rod 22 to rotate, so that the rotating rod 22 can rotate inside the bearing 23, which improves the practicality of the air collecting hood with a rolling curtain structure. The rotation of the rotating rod 22 can drive the rolling curtain main body 3 to be rolled up and extended, and the gap between the two adjacent rolling curtain main bodies 3 can be connected by the Velcro 31 on both sides of the rolling curtain main body 3, thereby avoiding the problem of smoke leakage caused by the gap between the air collecting hood main body 11. The counterweight rod 33 inside the tube 32 can play a counterweight role, avoiding the problem of shaking of the roller shutter body 3, and at the same time can facilitate the winding and extension of the roller shutter body 3. The pull ring 35 at the bottom of the connecting ring 34 can facilitate the fixed support of the roller shutter body 3, thereby improving the practicality of the air collecting hood with a roller shutter structure. The height of the mounting groove 4 can be adjusted by the extension and retraction of the telescopic rod 41 at the top of the support frame 2, so that the distance between the rubber roller 44 and the roller shutter body 3 can be adjusted. When the roller shutter body 3 is rolled up, the rubber roller 44 can be fitted to the top of the roller shutter body 3. When the roller shutter body 3 is rolled up, the damping shaft 42 has a damped rotation, which can improve the winding effect of the roller shutter body 3, avoid the problem of looseness and jamming, and improve the practicality and convenience of the air collecting hood with a roller shutter structure, so as to facilitate the winding operation of the roller shutter body 3.

[0041] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gas collecting hood with a rolling curtain structure, characterized in that: The air collecting hood with a rolling curtain structure includes a support groove (1). Four support frames (2) are fixedly installed around the support groove (1). The support frames (2) are in a "U" shape. A motor (21) is fixedly installed on one side of the support frame (2). A rotating rod (22) is fixedly installed on one side of the motor (21). A bearing (23) is movably connected to the outer side of the middle of the rotating rod (22). A rolling curtain main body (3) is movably connected to the outer side of the rotating rod (22). Magic tapes (31) are fixedly installed on both sides of the rolling curtain main body (3). Support pipes (32) are fixedly installed on both sides of the bottom of the rolling curtain main body (3). A counterweight rod (33) is movably connected to the inside of the support pipe (32). A connecting ring (34) is movably connected to the outer side of the middle of the counterweight rod (33). A pull ring (35) is fixedly installed at the bottom of the connecting ring (34). The pull ring (35) is in a ring shape.

2. The air collecting hood with a rolling curtain structure according to claim 1, characterized in that: The support groove (1) is in a "square" shape. An air collecting hood main body (11) is fixedly installed at the top of the support groove (1).

3. The air collecting hood with a rolling curtain structure according to claim 2, characterized in that: A connecting box (12) is fixedly installed at the top of the air collecting hood main body (11).

4. The air collecting hood with a rolling curtain structure according to claim 3, characterized in that: An air outlet pipe (13) is fixedly installed on one side of the connecting box (12).

5. The air collecting hood with a rolling curtain structure according to claim 1, characterized in that: An installation groove (4) is fixedly installed at the top of the support frame (2). The installation groove (4) is in a "U" shape.

6. The air collecting hood with a rolling curtain structure according to claim 5, characterized in that: Expansion rods (41) are fixedly installed inside both sides of the installation groove (4). Two damping rotating shafts (42) are movably connected to both sides inside the installation groove (4).

7. The air collecting hood with a rolling curtain structure according to claim 6, characterized in that: A support rod (43) is fixedly installed on one side of the damping rotating shaft (42). A rubber roller (44) is fixedly installed on the outer side of the support rod (43).

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