Manual operation area air suction cover device

Abstract

The utility model discloses a manual operation area air suction hood device, and relates to the technical field of air suction hoods, the manual operation area air suction hood device comprises an air suction hood body, an air suction chamber and an exhaust device, the air suction hood body is provided with an operation opening, and an operator can manually operate the air suction hood body in the air suction hood body; the absorption air chamber is arranged above the air suction cover and communicated with the air suction cover body, a first partition plate and a second partition plate are arranged in the absorption air chamber, the first partition plate is located on the upper side of the second partition plate, a first communication port is formed in the side, close to the operation port, of the first partition plate, and a second communication port is formed in the side, away from the operation port, of the second partition plate; the exhaust device is connected with the upper end of the absorption chamber. The first connecting opening and the second connecting opening which are staggered in the absorption air chamber are beneficial for negative pressure formed by the exhaust device to form airflow in the absorption air chamber, and the air suction efficiency is improved. The second connecting port is formed in the side, away from the operation port, of the second partition plate, so that gas is sucked in from the side away from the operation port, a large amount of waste gas is prevented from leaking from the operation port, and health of operators is guaranteed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of air suction hoods, in particular to a manual operation area air suction hood device. BACKGROUND

[0002] In the manual operation link of electroplating pretreatment, such as oil removal, pickling, activation and other processes, a large amount of waste gas containing harmful chemical substances will be generated. If these waste gases are not treated in time and effectively, not only will they cause serious harm to the health of the operators, such as respiratory diseases, poisoning, etc., but also will pollute the surrounding environment, and further affect the normal operation of the entire electroplating process. The traditional air suction hood has many defects when applied to the manual operation area of electroplating pretreatment. One common traditional air suction hood is to install an inverted funnel-shaped air suction hood on the top of the operation area.

[0003] The utility model patent publication No. CN206509318U discloses a laboratory fume hood, which comprises a cabinet body with an inner cavity, a workbench arranged in the cabinet body, an operation opening arranged on the side wall of the cabinet body, a flow guide plate arranged above the workbench in the cabinet body, a gap left between the outer side wall of the flow guide plate and the inner side wall of the cabinet body, a liquid supply pipe arranged on the flow guide plate, liquid in the liquid supply pipe being uniformly distributed in the gap through the upper end surface of the flow guide plate, the liquid in the gap flowing downward along the inner side wall of the cabinet body under the action of its own gravity to form a water curtain layer, a ring-shaped water tank arranged at the bottom of the cabinet body and attached to the inner side wall of the cabinet body to collect the liquid flowing down the inner side wall of the cabinet body, and a water tank arranged above the cabinet body and connected in communication with the water outlet of the liquid supply pipe. In the process of rising of the waste gas, due to the structural characteristics, the waste gas is prone to overflow and be inhaled by the operator, which also endangers the health of the operator. SUMMARY

[0004] The purpose of the present application is to provide a manual operation area air suction hood device to solve the problem of easy leakage of waste gas absorbed by the fume hood.

[0005] The manual operation area air suction hood device provided by the present application adopts the following technical solution:

[0006] The manual operation area air suction hood device comprises:

[0007] An air suction hood body is provided with an operation opening for manual operation of the operator in the air suction hood body;

[0008] An absorption chamber is arranged above the air suction hood and is in communication with the air suction hood body, the inside of the absorption chamber is provided with a first partition plate and a second partition plate, the first partition plate is located above the second partition plate, the side of the first partition plate close to the operation opening is provided with a first communication port, and the side of the second partition plate away from the operation opening is provided with a second communication port;

[0009] An exhaust device is connected to the upper end of the absorption chamber.

[0010] By adopting the technical scheme, the operation port on the suction hood body is convenient for manual operation of the operator, and the staggered first connecting port and the second connecting port in the absorption chamber help the negative pressure formed by the exhaust device to form an air flow in the absorption chamber, thereby improving the suction efficiency. The second connecting port is arranged on the side of the second partition plate away from the operation port, so that the gas is sucked from the side away from the operation port, avoiding a large amount of exhaust gas from leaking out of the operation port, and protecting the health of the operator.

[0011] Optionally, the second communication port is provided with a damper for adjusting the opening and closing size of the second communication port.

[0012] By adopting the technical scheme, the damper is arranged at the second communication port, and by adjusting the gap size of the damper, the flow rate of the exhaust gas in the lower end operation area and the top chamber can be controlled.

[0013] Optionally, the damper comprises a partition plate and a driving cylinder, the driving cylinder is arranged on the side wall of the second partition plate, and the partition plate is connected to the driving cylinder.

[0014] By adopting the technical scheme, the partition plate can move under the driving of the driving cylinder, thereby adjusting the opening and closing size of the second communication port, effectively controlling the flow rate of the gas in the absorption chamber, improving the suction efficiency, and reducing the risk of leakage of harmful gas.

[0015] Optionally, the operation port is provided with a protective door.

[0016] By adopting the technical scheme, the protective door can close the operation port when the operation port is not in use, thereby avoiding residual exhaust gas from being scattered from the protective door, and avoiding foreign matters from entering the suction hood body.

[0017] Optionally, the protective door comprises a transparent plate and a sliding rail, the sliding rail is arranged on the inner side of the suction hood body, and the transparent plate slides on the sliding rail.

[0018] By adopting the technical scheme, the flexible opening and closing and sealing property of the protective door are realized, the transparent plate enables the operator to observe the working state in the suction hood at any time, and the safety and closed property of the operation environment are ensured.

[0019] Optionally, the inner side of the suction hood body close to the operation port is provided with a sandwich layer, and the transparent plate can be accommodated in the sandwich layer.

[0020] By adopting the technical scheme, the sandwich layer is arranged in the suction hood body, so that the transparent plate can be accommodated in the inner side of the suction hood body.

[0021] Optionally, the exhaust device comprises an exhaust pipeline and an exhaust main pipe, and the exhaust pipeline communicates the absorption chamber and the exhaust main pipe.

[0022] By adopting the technical scheme, the exhaust manifold can be connected with exhaust pipes of several devices, so that the exhaust gas can be efficiently discharged.

[0023] Optionally, the air suction hood body is provided with a control button and a display screen.

[0024] By adopting the technical scheme, the control button and the display screen are arranged to realize real-time monitoring and adjustment of the operating parameters of the air suction hood device, thereby improving the convenience and accuracy of operation.

[0025] In summary, the present application has at least one of the following beneficial technical effects:

[0026] 1. The operating port on the air suction hood body is convenient for manual operation of the operator, and the staggered first connecting port and the second connecting port in the absorption chamber help the negative pressure formed by the exhaust device to form an air flow in the absorption chamber, thereby improving the air suction efficiency. The second connecting port is arranged on the side of the second partition plate away from the operating port, so that the gas is sucked from the side away from the operating port, avoiding a large amount of exhaust gas from leaking out of the operating port, thereby protecting the health of the operator;

[0027] 2. The partition plate can be moved under the drive of the drive cylinder, thereby adjusting the opening and closing size of the second connecting port, effectively controlling the gas flow speed in the absorption chamber, improving the air suction efficiency, and reducing the risk of leakage of harmful gas;

[0028] 3. The protective door can close the operating port when the operating port is not in use, thereby avoiding residual exhaust gas from being dispersed from the protective door, and avoiding foreign matters from entering the air suction hood body. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 is a schematic diagram of the overall structure of an embodiment of the present application;

[0030] Figure 2 is a schematic diagram of the cross-sectional structure of an embodiment of the present application.

[0031] Fig. 1 is a schematic diagram of the overall structure of an embodiment of the present application; Fig. 2 is a schematic diagram of the cross-sectional structure of an embodiment of the present application; Fig. 3 is a schematic diagram of the cross-sectional structure of an embodiment of the present application; Fig. 4 is a schematic diagram of the cross-sectional structure of an embodiment of the present application; Fig. 5 is a schematic diagram of the cross-sectional structure of an embodiment of the present application; and Fig. 6 is a schematic diagram of the cross-sectional structure of an embodiment of the present application. DETAILED DESCRIPTION

[0032] The present application will be further described in detail below with reference to the accompanying drawings.

[0033] A manually operated area air suction hood device, with reference to Figure 1, including suction hood body 1, absorption gas chamber 2 and exhaust device 3. Wherein, the suction hood is used in the manual operation link before electroplating, such as oil removal, pickling, activation and other processes, absorption gas chamber 2 is connected above suction hood body 1, for absorbing the waste gas generated in the above process. And exhaust device 3 connects absorption gas chamber 2, for forming negative pressure, absorbing waste gas in absorption gas chamber 2 and suction hood body 1.

[0034] Referring to Figure 1 And 2 , the suction hood body 1 is provided with an operation port 11 for manual operation of the operator in the suction hood body 1. The operation port 11 is provided with a protective door 12, which can close the operation port 11 when manual operation through the operation port 11 is not needed, so as to avoid residual waste gas from escaping from the protective door 12 when the operation port 11 is not used, and to avoid foreign matters from entering the suction hood body 1. The protective door 12 includes a transparent plate 13 and a sliding rail 14, wherein the sliding rail 14 is arranged in the suction hood body 1, the transparent plate 13 can slide on the sliding rail 14 and can close the operation port 11. The transparent plate 13 enables the operator to observe the internal situation through the transparent plate 13 when the protective door 12 is closed, and the suction hood body 1 is further provided with a interlayer 17 for the transparent plate 13 to enter, so that the transparent plate 13 can be retracted into the interlayer 17 when the protective door 12 is opened.

[0035] Referring to Figure 1 , the outer side of the suction hood body 1 is further provided with a control button 15 and a display screen 16, the control button 15 is used for convenient control and adjustment of the working state of the suction hood device, and the display screen 16 can monitor the working state of the suction hood device in real time, so as to ensure the normal operation.

[0036] Referring to Figure 2 , the absorption gas chamber 2 is arranged above the suction hood and communicates with the suction hood body 1, and the inside of the absorption gas chamber 2 is provided with a first partition plate 21 and a second partition plate 22. The first partition plate 21 is located on the upper side of the second partition plate 22, and the side of the first partition plate 21 close to the operation port 11 is provided with a first communication port 23, and the side of the second partition plate 22 away from the operation port 11 is provided with a second communication port 24. The two partition plates form a gas flow channel in the absorption gas chamber 2, so that the negative pressure formed by the exhaust device 3 can form an absorption gas flow, and the second communication port 24 is arranged away from the operation port 11, so that the waste gas can be absorbed away from the operation port 11, so as to minimize the emission of waste gas from the operation port 11 and protect the health of the operator.

[0037] Referring to Figure 2The second communication port 24 is provided with a damper 25, which is used to adjust the opening size of the second communication port 24, so as to control the flow rate of the exhaust gas. The damper 25 comprises a partition plate 26 and a driving cylinder 27, which is arranged on the side wall of the second partition plate 22 and is connected with the partition plate 26 and can drive the partition plate 26 to move, so that the partition plate 26 can adjust the opening size of the second communication port 24 and effectively control the flow rate of the gas in the absorption chamber 2.

[0038] With reference to Figure 1 The exhaust device 3 is connected with the upper end of the absorption chamber 2 and comprises an exhaust pipeline 31 and an exhaust main pipe 32. The two ends of the exhaust pipeline 31 are respectively connected with the absorption chamber 2 and the exhaust main pipe 32, so as to effectively capture and remove the harmful gas and ensure the operation safety and the environmental cleanness.

[0039] The principle of the embodiment of the present application is that the operator can manually operate in the suction hood through the operation port 11 of the suction hood body 1. The first partition plate 21 and the second partition plate 22 are arranged to make the gas flow in the absorption chamber 2 form an orderly flow, and the second communication port 24 is arranged away from the operation port 11, so that the exhaust gas is sucked in at a position away from the operation port 11. The second communication port 24 is provided with the damper 25, which can be adjusted according to the actual needs, so as to control the gas flow and the gas flow rate. The exhaust device 3 can extract the harmful gas through the exhaust main pipe 32, so as to ensure the air quality in the operation area. The whole device has a compact structure and is easy to operate, which can effectively improve the production efficiency and the safety.

[0040] The embodiments of the present application are the preferred embodiments of the present application, but are not used to limit the protection scope of the present application. The same parts are indicated by the same reference numerals. Therefore, any equivalent changes made according to the structure, shape and principle of the present application should be covered by the protection scope of the present application.

Claims

1. A manually operated area suction hood device, characterized in that, include: The suction hood body (1) has an operation port (11) for the operator to manually operate inside the suction hood body (1); An absorption chamber (2) is located above the suction hood and connected to the suction hood body (1). The absorption chamber (2) is provided with a first partition (21) and a second partition (22). The first partition (21) is located on the upper side of the second partition (22). The first partition (21) has a first connecting port (23) on the side of the first partition (21) close to the operation port (11), and the second partition (22) has a second connecting port (24) on the side of the second partition (22) away from the operation port (11). An exhaust device (3) is connected to the upper end of the absorption chamber (2).

2. The manually operated area suction hood device according to claim 1, characterized in that, The second connection port (24) is provided with a damper (25), which is used to adjust the opening and closing size of the second connection port (24).

3. A manually operated area suction hood device according to claim 2, characterized in that, The damper (25) includes a partition plate (26) and a drive cylinder (27). The drive cylinder (27) is located on the side wall of the second partition plate (22), and the partition plate (26) is connected to the drive cylinder (27).

4. The manually operated area suction hood device according to claim 1, characterized in that, The operating port (11) is equipped with a protective door (12).

5. A manually operated area suction hood device according to claim 4, characterized in that, The protective door (12) includes a transparent panel (13) and a slide rail (14). The slide rail (14) is located on the inner side of the suction hood body (1), and the transparent panel (13) slides on the slide rail (14).

6. A manually operated area suction hood device according to claim 5, characterized in that, The absorption chamber (2) has an inner layer (17) near the operation port (11), and the transparent plate (13) can be retracted into the inner layer (17).

7. A manually operated area suction hood device according to claim 1, characterized in that, The exhaust device (3) includes an exhaust pipe (31) and an exhaust manifold (32), wherein the exhaust pipe (31) connects the absorption chamber (2) and the exhaust manifold (32).

8. A manually operated area suction hood device according to claim 1, characterized in that, The suction hood body (1) is equipped with control buttons (15) and a display screen (16).

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