Special gas holder with adjustable and controllable internal wind pressure

Abstract

The utility model discloses a special gas holder with adjustable internal wind pressure, which comprises a cabinet door, an adjusting groove, a drawing piece, an elastic piece and an outer cover, the inner wall body of the cabinet door is connected with the outer cover, a plurality of first gas ports are arranged on the wall body of the lower end of the cabinet door, a second gas port is arranged on the wall body of the outer cover, the drawing piece slides at one end of the outer cover, and the elastic piece is arranged on the outer cover. According to the utility model, an operator does not need to climb to the top of a machine, the position of the drawing sheet can be easily adjusted by rotating the elastic cap on the front surface of the cabinet body, the position of the drawing sheet can be adjusted, the operation is convenient, the operation is simple, the operation is convenient, the operation is convenient, and the working efficiency is high. By means of the operation mode, the operation time is greatly saved, the working efficiency is improved, the position of the drawing piece is accurately adjusted, and multiple air pressure adjusting and controlling modes are achieved.

Description

Technical Field

[0001] This utility model relates to the field of special gas cabinet technology, specifically a special gas cabinet with adjustable internal air pressure. Background Technology

[0002] Specialty gas cabinets are cabinets that supply special gases. They are mainly used to supply special gases, such as flammable, explosive, and highly toxic gases. They are primarily used in emerging industries such as semiconductors and LEDs. Depending on production needs, specialty gas cabinets can be divided into ordinary Gascabi Net specialty gas cabinets and high-flow gas supply cabinets such as BSGS.

[0003] Most existing special gas holders have an air inlet at the bottom inside the structural door, with a sponge mesh filtering gas impurities in the middle, and a fan at the top drawing air through ducts. The air pressure is controlled by the fan power and the air valve. However, since the air valve is located at the back of the top of the unit, it is inconvenient to operate. Utility Model Content

[0004] The purpose of this invention is to provide a special gas holder with adjustable internal air pressure to solve the problems mentioned in the background art.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a special gas cabinet with adjustable internal air pressure, including a cabinet door, an adjustment groove, a pull tab, a tensioning component, and an outer cover. The inner wall of the cabinet door is connected to the outer cover, and multiple air vents are provided on the lower wall of the cabinet door. Air vents are provided on the outer cover wall. The pull tab slides on one end of the outer cover and is placed between the outer cover and the inner wall of the cabinet door. The pull tab is slidable by the tensioning component, so that the air vents are connected or closed. The outer cover is also provided with an adjustment groove.

[0006] In a preferred embodiment, the regulating groove is U-shaped.

[0007] In a preferred embodiment: the tensioning component includes a fastening bolt, a tensioning cap, a fixing cylinder, and a fixing block. One end of the pull tab is fixedly connected to the fixing cylinder, and the inner wall of the fixing cylinder is fixedly connected to the fixing block. One end of the fixing block passes through the pull tab and the adjustment groove and is fixedly connected to the fastening bolt. The outer wall of the fastening bolt is threaded with a tensioning cap.

[0008] In a preferred embodiment, the outer wall of the elastic cap is provided with anti-slip texture.

[0009] In a preferred embodiment, the pull-out tab has multiple air vents on its wall.

[0010] In a preferred embodiment: the outer cover is threadedly connected to two symmetrically distributed U-shaped blocks by connecting bolts provided around the perimeter, and one end of the two U-shaped blocks is fixedly connected to the inner wall of the cabinet door.

[0011] Compared with the prior art, the beneficial effects achieved by this utility model are:

[0012] This invention, by incorporating a pull tab, a tensioning element, and an adjustment groove at the cabinet door, allows operators to easily adjust the position of the pull tab from the front of the cabinet by rotating the tensioning cap, without needing to climb to the top of the machine. This enables control over the air outlet connection status and, consequently, the air pressure. This operating method significantly saves operating time and improves work efficiency, making it particularly suitable for work scenarios requiring timely air pressure control. With the cooperation of air outlet one, the pull tab, air outlet two, and air outlet three, operators can precisely adjust the position of the pull tab according to actual gas flow and pressure requirements, achieving multiple air pressure control modes.

[0013] This utility model, through the design of connecting bolts and a U-shaped frame, makes the disassembly and installation of the outer cover and the pull-out piece extremely convenient. During equipment maintenance and repair, staff only need to unscrew the connecting bolts to easily remove the outer cover and inspect, clean, or replace the internal components, thereby improving the availability and service life of the equipment. Attached Figure Description

[0014] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0015] Figure 1 This is a schematic diagram of the overall structure of the special gas holder of this utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the special gas holder of this utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the present invention where the second air inlet is fully open and connected to the first air inlet;

[0018] Figure 4 This is a schematic diagram of the structure of the fixing cylinder and fixing block of this utility model;

[0019] Figure 5 This is a schematic diagram of the closed structure of air inlet 2 and air inlet 1 of this utility model;

[0020] In the diagram: 1. Cabinet door; 2. Adjustment groove; 3. Pull-out piece; 4. Tensioner; 40. Fastening bolt; 41. Tensioner cap; 42. Fixing cylinder; 43. Fixing block; 44. Anti-slip texture; 45. Air vent three; 5. Outer cover; 6. Air vent one; 7. Air vent two; 8. Connecting bolt; 9. U-shaped block. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figures 1-5 This utility model provides a technical solution: a special gas cabinet with adjustable internal air pressure, including a cabinet door 1, an adjustment groove 2, a pull tab 3, a tensioning element 4, and an outer cover 5. The inner wall of the cabinet door 1 is connected to the outer cover 5, and multiple air vents 6 are opened on the lower wall of the cabinet door 1. Air vents 7 are opened on the wall of the outer cover 5. The pull tab 3 slides on one end of the outer cover 5 and is placed between the outer cover 5 and the inner wall of the cabinet door 1. The pull tab 3 is slidable by the tensioning element 4, so that the air vents 6 and 7 are connected or closed. The outer cover 5 is also provided with an adjustment groove 2.

[0023] In actual use of this special gas holder with adjustable internal air pressure, the operator first adjusts the tension cap 41 according to the actual work requirements. This moves the tension cap 41 away from the outer cover 5, reducing friction between the protective outer cover 5 and the internal pull-out plate 3. This allows the fastening bolt 40 to move left and right within the U-shaped adjustment groove 2. Under the action of the fixing block 43 and the fixing cylinder 42, the pull-out plate 3 slides left and right to adjust its position. When the internal air pressure needs to be increased, the tension cap 41 is loosened, and the pull-out plate 3 is pulled to the right, connecting the air inlet 3 45 with air inlet 1 6 and air inlet 2 7, allowing more gas to enter the special gas holder and thus increasing the air pressure. Conversely, when the internal air pressure needs to be decreased, the pull-out plate 3 is pushed to the left, reducing the connection area between air inlet 1 6 and air inlet 2 7, decreasing the amount of gas entering, and thus reducing the internal air pressure. During operation, the U-shaped adjustment groove 2... The adjustable groove 2 ensures that the pull tab 3 slides smoothly, and the anti-slip texture 44 on the outer wall of the tension cap 41 makes the operation smoother. In addition, when the outer cover 5 needs to be maintained or repaired, the outer cover 5 can be easily removed from the cabinet door 1 by disassembling the connecting bolts 8.

[0024] The regulating groove 2 is U-shaped. On the one hand, the U-shaped regulating groove 2 can provide precise guidance for the sliding of the pull tab 3, ensuring the stability and accuracy of the pull tab 3 during the sliding process; on the other hand, the U-shaped structure can prevent debris from entering the sliding gap between the pull tab 3 and the outer cover 5 to a certain extent, ensuring the normal operation of the equipment.

[0025] The tensioning component 4 includes a fastening bolt 40, a tensioning cap 41, a fixing cylinder 42, and a fixing block 43. One end of the pull tab 3 is fixedly connected to the fixing cylinder 42, and the fixing block 43 is fixedly connected to the inner wall of the fixing cylinder 42. One end of the fixing block 43 passes through the pull tab 3 and the regulating groove 2 and is fixedly connected to the fastening bolt 40. The outer wall of the fastening bolt 40 is threaded with the tensioning cap 41. By rotating the tensioning cap 41, the relative position between the pull tab 3 and the outer cover 5 can be easily adjusted, thereby achieving precise control over the communication state of air port 1 6 and air port 2 7, enabling air port 2 7 to be in an open, closed, or semi-open state, thus achieving the purpose of regulating the internal air pressure.

[0026] The outer wall of the elastic cap 41 is provided with anti-slip texture 44, which can effectively increase the friction between the operator's hand and the elastic cap 41, and prevent slippage during the rotation of the elastic cap 41, making the operation more stable and reliable.

[0027] The pull-out plate 3 has multiple air vents 45 on its wall. The arrangement of the air vents 45, in conjunction with adjusting the position of the pull-out plate 3, allows for more precise control of the gas flow and pressure entering the special gas cabinet.

[0028] The outer cover 5 is threadedly connected to two symmetrically distributed U-shaped blocks 9 by connecting bolts 8 provided around the perimeter. One end of the two U-shaped blocks 9 is fixedly connected to the inner wall of the cabinet door 1, so that the outer cover 5 can be stably installed inside the cabinet door 1. At the same time, the connecting bolts 8 can be used to easily disassemble and install the outer cover 5, which is convenient for equipment maintenance and repair.

[0029] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A special gas holder with adjustable internal air pressure, characterized in that: The cabinet includes a cabinet door (1), an adjustment groove (2), a pull tab (3), a tensioning element (4), and an outer cover (5). The inner wall of the cabinet door (1) is connected to the outer cover (5), and multiple air vents (6) are opened on the lower wall of the cabinet door (1). Air vents (7) are opened on the wall of the outer cover (5). The pull tab (3) slides on one end of the outer cover (5), and the pull tab (3) is placed between the outer cover (5) and the inner wall of the cabinet door (1). The pull tab (3) is slid by the tensioning element (4) so ​​that the air vents (6) and the air vents (7) are connected or closed. The outer cover (5) is also provided with an adjustment groove (2).

2. The special gas holder with adjustable internal air pressure according to claim 1, characterized in that: The regulating groove (2) is U-shaped.

3. The special gas holder with adjustable internal air pressure according to claim 1, characterized in that: The tensioning component (4) includes a fastening bolt (40), a tensioning cap (41), a fixing cylinder (42), and a fixing block (43). One end of the pull tab (3) is fixedly connected to the fixing cylinder (42), and the fixing block (43) is fixedly connected to the inner wall of the fixing cylinder (42). One end of the fixing block (43) passes through the pull tab (3) and the adjusting groove (2) and is fixedly connected to the fastening bolt (40). The outer wall of the fastening bolt (40) is threaded with a tensioning cap (41).

4. A special gas holder with adjustable internal air pressure according to claim 3, characterized in that: The outer wall of the elastic cap (41) is provided with anti-slip texture (44).

5. A special gas holder with adjustable internal air pressure according to claim 4, characterized in that: The pull tab (3) has multiple air vents (45) on its wall.

6. A special gas holder with adjustable internal air pressure according to claim 1, characterized in that: At the four corners of the outer cover (5), there are two symmetrically distributed U-shaped blocks (9) connected by connecting bolts (8). One end of the two U-shaped blocks (9) is fixedly connected to the inner wall of the cabinet door (1).

Images