Ventilation device for chemical safety

Abstract

The utility model belongs to the technical field of chemical equipment, and particularly relates to a ventilation device for chemical safety, which solves the problems of poor ventilation effect and easiness in blockage of an air port in the prior art and comprises a bottom plate, a right concave wheel is rotatably mounted at the top of the bottom plate, and a left concave wheel is rotatably mounted on one side of the right concave wheel. The right concave wheel and the left concave wheel are covered with a belt, a first fixing block is installed on the belt, and a right duplex sliding block is fixedly connected to the upper portion of the first fixing block. Through arrangement of a motor, a first limiting rod and other structures, the device is driven by the motor, so that the right concave wheel and the left concave wheel rotate, and then the belt is driven to rotate; therefore, the ventilation effect of the ventilation device is achieved, the air bag in the hoop can be extruded and contracted along with movement of the device, the hoop can be tightly fixed to the ventilation device, and the ventilation effect is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical equipment, in particular to a ventilation device for chemical safety. Background Art

[0002] First of all, some harmful gases and dust will be produced in the chemical production process. These substances are not only harmful to human health, but may also cause accidents such as explosions and fires. Therefore, through the effective operation of ventilation devices, harmful gases and dust can be discharged in time to ensure the air quality and safety in the working area. Secondly, ventilation devices can also provide fresh air to create a comfortable working environment for employees. In chemical production, employees need to be highly concentrated, and good air quality can improve employees' work efficiency and accuracy. In addition, ventilation devices can also play a cooling role. A large amount of heat will be generated in the chemical production process. If it cannot be discharged in time, it will cause damage to equipment and employees.

[0003] The prior art discloses a chemical safety ventilation device with the authorization announcement number CN219209345U, comprising a ventilation hood, a mounting frame fixedly connected to the top of the ventilation hood, an air inlet duct connected to the left side of the ventilation hood, an air outlet duct connected to the right side of the ventilation hood, a fixing frame provided in the inner cavity of the ventilation hood, sliding grooves provided at the top and bottom of the inner cavity of the fixing frame, a positioning mechanism fixedly connected to the right side of the front side of the fixing frame, the positioning mechanism comprising a positioning shell and two plug rods, an activated carbon filter plate movably connected between the left sides of the two plug rods.

[0004] However, the ventilation effect of this patent is not good, and it is easy to cause the air outlet to be blocked. Utility Model Content

[0005] The utility model aims to provide a ventilation device for chemical safety, which solves the problem in the prior art that the ventilation effect is not good and the air outlet is easily blocked.

[0006] To achieve the above object, the utility model provides the following technical solution: a chemical safety ventilation device, comprising a bottom plate, a right concave wheel is rotatably mounted on the top of the bottom plate, a left concave wheel is rotatably mounted on one side of the right concave wheel, the right concave wheel and the left concave wheel are covered with a belt, a No. 1 fixed block is mounted on the belt, and a right double-linked slider is fixedly connected above the No. 1 fixed block;

[0007] The two sides of the right double slider are slidably equipped with a No. 1 limit rod and a No. 2 limit rod, one side of the right double slider is slidably equipped with a left double slider, a No. 2 fixing block is fixedly connected inside the left double slider, one side of the No. 1 limit rod is fixedly connected to a No. 1 fixing seat, the other side of the No. 1 limit rod is fixedly connected to a No. 2 fixing seat, one side of the No. 2 limit rod is fixedly connected to a No. 3 fixing seat, the other side of the No. 2 limit rod is fixedly connected to a No. 4 fixing seat, and a motor is installed at the bottom of the left concave wheel.

[0008] Preferably, the top of the right double sliding block is fixedly connected with a right fixing frame.

[0009] Preferably, the top of the left double sliding block is fixedly connected with a left fixing frame.

[0010] Preferably, the left fixing frame and the right fixing frame are both fixedly connected with a clamp.

[0011] Preferably, an airbag is fixedly connected to the inside of the clamp, and the airbag is made of rubber.

[0012] Preferably, a left bracket is installed on one side of the airbag, and a right bracket is installed on the other side of the airbag, which has a good supporting effect.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model is provided with a motor, a No. 1 limit rod and other structures. The device is driven by a motor to rotate the right concave wheel and the left concave wheel, thereby driving the belt to rotate, thereby achieving the ventilation effect of the ventilation device. The air bag inside the clamp can be squeezed and contracted as the device moves, so that the clamp can be tightly fixed on the ventilation device, further improving the ventilation effect.

[0015] 2. The utility model arranges the airbag, the left double slider and other structures so that the slider can slide between the limit rods and can achieve continuous ventilation through the motor drive. This design can effectively avoid the blockage of the ventilation device. Since the airbag is made of rubber material, it has good elasticity and sealing properties, and can better adapt to various working conditions and environments, further improving the stability and reliability of the ventilation device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a rear view structural diagram of the utility model;

[0018] Figure 3 It is a bottom view structural schematic diagram of the utility model.

[0019] In the figure: 1, bottom plate; 2, right concave wheel; 3, limit rod No. 1; 4, fixed seat No. 1; 5, right double slider; 6, left bracket; 7, fixed seat No. 2; 8, left concave wheel; 9, airbag; 10, clamp; 11, right fixed frame; 12, left fixed frame; 13, left double slider; 14, belt; 15, motor; 16, limit rod No. 2; 17, right bracket; 18, fixed seat No. 3; 19, fixed block No. 1; 20, fixed block No. 2; 21, fixed seat No. 4. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-3 A chemical safety ventilation device comprises a bottom plate 1, a right concave wheel 2 is rotatably mounted on the top of the bottom plate 1, a left concave wheel 8 is rotatably mounted on one side of the right concave wheel 2, a belt 14 is covered on the right concave wheel 2 and the left concave wheel 8, a No. 1 fixing block 19 is mounted on the belt 14, a right double slider 5 is fixedly connected above the No. 1 fixing block 19, a No. 1 limiting rod 3 and a No. 2 limiting rod 16 are slidably mounted on both sides of the right double slider 5, a left double slider 13 is slidably mounted on one side of the right double slider 5, a No. 2 fixing block 20 is fixedly connected inside the left double slider 13, a No. 1 limiting rod 3 is fixedly connected on one side No. 4 fixing seat 21 is fixedly connected to the other side of the No. 1 limiting rod 3, and the No. 2 fixing seat 7 is fixedly connected to one side of the No. 2 limiting rod 16, and the No. 4 fixing seat 21 is fixedly connected to the other side of the No. 2 limiting rod 16. A motor 15 is installed at the bottom of the left concave wheel 8, and the motor 15 drives the right concave wheel 2 and the left concave wheel 8 to rotate, thereby driving the belt 14 to rotate, thereby realizing the ventilation effect of the ventilation device, and the air bag 9 inside the clamp 10 can be squeezed and contracted as the device moves, so that the clamp 10 can be tightly fixed on the ventilation device, further improving the ventilation effect.

[0022] See also Figure 1-3The top of the right double slider 5 is fixedly connected to a right fixing frame 11, and the top of the left double slider 13 is fixedly connected to a left fixing frame 12. The left fixing frame 12 and the right fixing frame 11 are fixedly connected to a clamp 10. The slider can slide between the limit rods and is driven by a motor 15 to achieve continuous ventilation. This design can effectively avoid the blockage of the ventilation device. Since the airbag 9 is made of rubber, it has good elasticity and sealing properties, can better adapt to various working conditions and environments, and further improves the stability and reliability of the ventilation device.

[0023] See also Figure 1-3 The inside of the hoop 10 is fixedly connected with an airbag 9, the airbag 9 is made of rubber, a left bracket 6 is installed on one side of the airbag 9, and a right bracket 17 is installed on the other side of the airbag 9.

[0024] The specific implementation process of the utility model is as follows: the right concave wheel 2 installed on the top of the bottom plate 1 starts to rotate, and at the same time drives the left concave wheel 8 to rotate. The rotation of the right concave wheel 2 and the left concave wheel 8 will drive the belt 14 to rotate, and then drive the No. 1 fixed block 19 and the right double slider 5 and the left double slider 13 to move. The right double slider 5 slides between the No. 1 limiting rod 3 and the No. 2 limiting rod 16, and the left double slider 13 slides between the No. 2 limiting rod 16 and the No. 1 limiting rod 3. The No. 1 fixed seat 4 connected to one side of the No. 1 limiting rod 3 and the No. 2 fixed seat 7 connected to the other side will limit the movement range of the right double slider 5. The No. 3 fixed seat 18 connected to one side of the No. 2 limiting rod 16 and the No. 4 fixed seat 21 connected to the other side will limit the movement range of the left double slider 13.

[0025] Furthermore, the motor 15 at the bottom of the base plate 1 starts to work, and is driven by the belt 14 to drive the right cam 2 and the left cam 8 to rotate, thereby driving the entire ventilation device to operate. The right fixing frame 11 and the left fixing frame 12 are fixedly connected to the top of the right double slider 5 and the left double slider 13, and they will move with the movement of the sliders. The clamp 10 is fixedly connected to the right fixing frame 11 and the left fixing frame 12, and an airbag 9 is installed inside. The airbag 9 is made of rubber. The left bracket 6 and the right bracket 17 are installed on both sides of the airbag 9. When the ventilation device is operating, the airbag 9 will be squeezed, causing the left bracket 6 and the right bracket 17 to shrink inward, thereby making the clamp 10 tightly fixed to the ventilation device to ensure the stable operation of the ventilation device.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A ventilation device for chemical safety, comprising a bottom plate (1), characterized in that: A right concave wheel (2) is rotatably mounted on the top of the bottom plate (1), a left concave wheel (8) is rotatably mounted on one side of the right concave wheel (2), a belt (14) is covered on the right concave wheel (2) and the left concave wheel (8), a first fixing block (19) is mounted on the belt (14), and a right double-linked slider (5) is fixedly connected above the first fixing block (19); The two sides of the right double slider (5) are slidably equipped with a first limiting rod (3) and a second limiting rod (16); one side of the right double slider (5) is slidably equipped with a left double slider (13); a second fixing block (20) is fixedly connected inside the left double slider (13); one side of the first limiting rod (3) is fixedly connected to a first fixing seat (4); the other side of the first limiting rod (3) is fixedly connected to a second fixing seat (7); one side of the second limiting rod (16) is fixedly connected to a third fixing seat (18); the other side of the second limiting rod (16) is fixedly connected to a fourth fixing seat (21); and a motor (15) is installed at the bottom of the left concave wheel (8).

2. A chemical safety ventilation device according to claim 1, characterized in that: The top of the right double sliding block (5) is fixedly connected to a right fixing frame (11).

3. A chemical safety ventilation device according to claim 2, characterized in that: The top of the left double sliding block (13) is fixedly connected to a left fixing frame (12).

4. A chemical safety ventilation device according to claim 3, characterized in that: The left fixing frame (12) and the right fixing frame (11) are both fixedly connected with a clamp (10).

5. A chemical safety ventilation device according to claim 4, characterized in that: An air bag (9) is fixedly connected inside the clamp (10), and the air bag (9) is made of rubber material.

6. A chemical safety ventilation device according to claim 5, characterized in that: A left bracket (6) is installed on one side of the airbag (9), and a right bracket (17) is installed on the other side of the airbag (9).

Images