Turnover door sealing air bag and sealing air bag inflation and pressure relief structure

Abstract

The turnover door sealing air bag is arranged on a turnover door and comprises an air bag body and a sealing protrusion arranged on the air bag body, a cavity is formed in the air bag body, and the utility model further provides a sealing air bag inflation pressure relief structure which is connected with the air bag body and can inflate the cavity when the turnover door is closed. When the turnover door is opened, the air bag body is decompressed, so that the turnover door is conveniently and quickly opened, the turnover door sealing air bag and the sealing air bag inflating and decompressing structure are good in sealing effect, the sealing performance of the vacuum chamber is improved, and the sealing effect of the vacuum chamber is improved. And the turnover door can be opened or closed conveniently through quick inflation and pressure relief.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of turnover door sealing, specifically, the utility model relates to a kind of turnover door sealing air bag and sealing air bag inflation pressure relief structure. BACKGROUND

[0002] When producing products in vacuum chamber, it is necessary to open the turnover door when the product enters or leaves the vacuum chamber, usually a sealing strip is adhered to the edge of the turnover door to ensure the vacuum environment inside the vacuum chamber during operation, but the sealing effect is poor, and the normal opening or closing of the turnover door is affected, and the structural reliability is poor.

[0003] To solve the above problems, patent document 114200181A discloses a shielding box turnover door with sealing structure, comprising a shielding box, a hinge is fixedly installed at the bottom of the shielding box, a cover plate is fixedly installed on one side of the hinge, a clamping groove is formed at the top of the cover plate, a connecting plate is fixedly installed on the inner side of the clamping groove, a rubber pad is installed at the bottom of the cover plate, a cavity is formed in the rubber pad, a slide rod is fixedly installed at the top of the cover plate, a top plate is provided on one side of the cover plate, a through hole is formed in the top plate, the slide rod is slidably connected to the inner side of the through hole, and a support plate is fixedly installed at the bottom of the top plate, but it cannot be solved. UTILITY MODEL CONTENT

[0004] The utility model is carried out to solve the above problems, and aims to provide a turnover door sealing air bag and sealing air bag inflation pressure relief structure with good sealing effect, which can improve the sealing performance of the vacuum chamber and quickly inflate and release pressure to facilitate the opening or closing of the turnover door. In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0005] The utility model provides a kind of turnover door sealing air bag, set in turnover door, with such characteristics, including air bag body and the sealing protrusion being set on air bag body, air bag body is equipped with cavity.

[0006] In the turnover door sealing air bag provided by the utility model, the air bag body can also have the following characteristics: the air bag body is arranged on the turnover door and located between the turnover door and the door frame.

[0007] In the turnover door sealing air bag provided by the utility model, the door frame can also have the following characteristics: a sealing groove is provided on the door frame, and the sealing groove is matched with the sealing protrusion.

[0008] The utility model also provides a kind of sealed air bag inflation pressure relief structure, for realizing the inflation pressure relief process of the above-mentioned turnover door sealed air bag, with such features, including gas source, inflation component and pressure relief component, gas source is connected with air bag body, inflation component is arranged between gas source and air bag body, and pressure relief component is arranged between gas source and air bag body.

[0009] In the utility model provide a turnover door sealed air bag, it can also have such features, inflation component includes first gas pipeline, first solenoid valve and second solenoid valve, one end of first gas pipeline is connected with gas source, the other end of first gas pipeline is connected with air bag body, first solenoid valve is arranged on first gas pipeline, and second solenoid valve is arranged on first gas pipeline.

[0010] In the utility model provide a turnover door sealed air bag, it can also have such features, pressure relief component includes second gas pipeline, third solenoid valve and vacuum generator, one end of second gas pipeline is connected with first gas pipeline, the other end of second gas pipeline is connected with second solenoid valve, third solenoid valve is arranged on second gas pipeline, and vacuum generator is arranged on second gas pipeline.

[0011] In the utility model provide a turnover door sealed air bag, it can also have such features, still include third gas pipeline, one end of third gas pipeline is connected with first gas pipeline, and the other end of third gas pipeline is connected with second solenoid valve.

[0012] In the utility model provide a turnover door sealed air bag, it can also have such features, and pressure reducing valve is arranged on first gas pipeline.

[0013] In the utility model provide a turnover door sealed air bag, it can also have such features, and pressure sensor is arranged on first gas pipeline.

[0014] The utility model discloses a turnover door sealed air bag sets on turnover door, including air bag body and the sealed protruding of setting on air bag body, the cavity is equipped with in air bag body, the utility model also provides sealed air bag inflation pressure relief structure, is connected with air bag body, can be inflated to the cavity when turnover door is closed, to seal turnover door, improve the sealing property of vacuum chamber, when turnover door is opened, air bag body is relieved, to facilitate and open turnover door quickly.

[0015] Therefore, the sealed air bag and sealed air bag inflation pressure relief structure of the utility model have good sealing effect, improve the sealing property of vacuum chamber, and can be inflated and relieved pressure quickly to facilitate opening or closing turnover door. DRAWINGS

[0016] This specification includes the following drawings, and the shown contents are respectively:

[0017] Figure 1 is the sectional view of the turnover door sealing air bag in the embodiment of the utility model;

[0018] Figure 2 is the system structure schematic view of the inflation and pressure relief structure of the sealing air bag. DETAILED DESCRIPTION

[0019] The specific embodiments of the present application are described below with reference to the drawings, and the purpose is to help the skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present application, and to facilitate its implementation.

[0020] Figure 1 is the sectional view of the turnover door sealing air bag in the embodiment of the utility model; Figure 2 is the system structure schematic view of the inflation and pressure relief structure of the sealing air bag.

[0021] As shown in Figure 1 and Figure 2 The turnover door sealing air bag 10 provided by the utility model is arranged on the turnover door, and the turnover door sealing air bag 10 comprises an air bag body 11 and a sealing protrusion 12 arranged on the air bag body 11, and the air bag body 11 is internally provided with a cavity 13. The utility model further provides an inflation and pressure relief structure of a sealing air bag, which is connected with the air bag body 11 of the turnover door sealing air bag 10, can inflate the cavity when the turnover door is closed, thereby sealing the turnover door and improving the sealing property of the vacuum chamber, and can release the pressure of the air bag body when the turnover door is opened, thereby conveniently and quickly opening the turnover door. The turnover door sealing air bag and the inflation and pressure relief structure of the sealing air bag provided by the utility model have good sealing effect, improve the sealing property of the vacuum chamber, can quickly inflate and release pressure, and conveniently open or close the turnover door.

[0022] The air bag body 11 is made of rubber, is arranged on the turnover door, is in a strip shape, is uniformly distributed on the four peripheral edges of the turnover door, is located between the turnover door and the door frame, the sealing protrusion 12 is located on one side of the air bag body 11 close to the door frame, the door frame is provided with a sealing groove matched with the sealing protrusion 12, when the turnover door is closed, the cavity 13 in the air bag body 11 is inflated, the air bag body 11 is inflated, the sealing protrusion 12 is extruded into the sealing groove of the door frame, the sealing protrusion 12 is clamped in the sealing groove, the sealing of the turnover door is completed, and the sealing performance of the vacuum chamber is improved.

[0023] As shown in Figure 2 The utility model discloses still provided sealed air bag inflation pressure -relief structure can realize the inflation and pressure -relief process of turnover door sealed air bag 10, sealed air bag inflation pressure -relief structure includes gas source 20, inflation subassembly 30 and pressure -relief subassembly 40, gas source 20 is connected with turnover door sealed air bag 10's air bag body 11, inflation subassembly 30 sets up between gas source 20 and turnover door sealed air bag 10's air bag body 11, inflation subassembly 30 can fill into the gas in cavity 13, make air bag body 11 inflation, complete the sealing of turnover door quickly, improve sealing effect, pressure -relief subassembly 40 sets up between gas source 20 and turnover door sealed air bag 10's air bag body 11, pressure -relief subassembly 40 can export the gas in cavity 13 quickly, cancel the inflation of air bag body 11, thereby facilitate quick opening turnover door.

[0024] Inflation subassembly 30 includes first gas pipeline 31, first electromagnetic valve 32 and second electromagnetic valve 33, one end of first gas pipeline 31 is connected with gas source 20, the other end of first gas pipeline 31 is connected with turnover door sealed air bag 10's air bag body 11, first electromagnetic valve 32 sets up on first gas pipeline 31, first electromagnetic valve 32 can control the flow or closure of first gas pipeline 31, second electromagnetic valve 33 sets up on first gas pipeline 31, second electromagnetic valve 33 is connected with turnover door sealed air bag 10, gas source 20 and pressure -relief subassembly 40 respectively, can conveniently switch inflation or pressure -relief process, has improved the response speed of inflation or pressure -relief, has improved production rhythm.

[0025] First gas pipeline 31 is equipped with pressure reducing valve 34, pressure reducing valve 34 sets up on first gas pipeline 31, pressure reducing valve 34 can adjust the pressure of the gas filled in cavity 13, avoid the pressure to be too big, break air bag body 11, prolong the service life of rotary door sealed air bag 10, at the same time, can avoid the pressure to be too small, lead to poor sealing performance. First gas pipeline 31 is equipped with pressure sensor 35, pressure sensor 35 can monitor the gas pressure in first gas pipeline 31, thereby conveniently grasps the pressure of the gas filled in cavity 13.

[0026] The pressure relief assembly 40 comprises a second gas pipeline 41, a third electromagnetic valve 42 and a vacuum generator 43, one end of the second gas pipeline 41 is connected with the first gas pipeline 31, the other end of the second gas pipeline 42 is connected with the second electromagnetic valve 33, the third electromagnetic valve 42 is arranged on the second gas pipeline 41 and can control the flow or closure of the second gas pipeline 41, and the vacuum generator 43 is arranged on the second gas pipeline 41 and can vacuum the cavity 13 of the air bag body 11, so that the sealing protrusion 12 is separated from the sealing groove of the door frame, and the turnover door is conveniently opened.

[0027] The sealing air bag inflation pressure relief structure further comprises a third gas pipeline 50, one end of the third gas pipeline 50 is connected with the first gas pipeline 31, the other end of the third gas pipeline 50 is connected with the second electromagnetic valve 33, and the third gas pipeline 50 can be connected with the air source 20 and the air bag body 11 of the turnover door sealing air bag 10 during shutdown production, so as to save energy such as electricity and save production cost.

[0028] When the turnover door is closed, the first electromagnetic valve 32 is opened, the second electromagnetic valve 33 connects the air source 20 and the air bag body 11 of the turnover door sealing air bag 10, the third electromagnetic valve 42 is closed, and the vacuum generator 43 does not work, so that the gas from the air source 20 passes through the first gas pipeline 31, the first electromagnetic valve 32, the pressure reducing valve 34, the second electromagnetic valve 33 and the pressure sensor 35 in sequence, is filled into the cavity 13, the air bag body 11 is inflated, the air bag body 11 fills the gap between the turnover door and the door frame, the sealing protrusion 12 is clamped in the sealing groove of the door frame, and the sealing property of the turnover door and the vacuum chamber is improved. When the turnover door is opened, the first electromagnetic valve 32 is closed, the second electromagnetic valve 33 connects the pressure relief assembly 40 and the air bag body 11 of the turnover door sealing air bag 10, the third electromagnetic valve 42 is opened, and the vacuum generator 43 works, so that the gas in the cavity 13 is extracted, the air bag body 11 is deformed to the initial size, the sealing protrusion 12 is separated from the sealing groove of the door frame, and the turnover door is conveniently and quickly opened. When shutdown, the first electromagnetic valve 32 is closed, the second electromagnetic valve 33 connects the third gas pipeline 50 and the air bag body 11 of the turnover door sealing air bag 10, the third electromagnetic valve 42 is closed, and the vacuum generator 43 does not work, so that the turnover door sealing air bag 10 is disconnected with the restart assembly 30 and the pressure relief assembly 40, energy such as electricity is saved, and production cost is saved.

[0029] Effects of the embodiment

[0030] The utility model provides a turn -over door sealing air bag 10 sets up in the turn -over door, turn -over door sealing air bag 10 includes air bag body 11 and sets up sealing protruding 12 on air bag body 11, is equipped with cavity 13 in air bag body 11, the utility model still provides sealed air bag inflation pressure -relief structure, with the air bag body 11 of turn -over door sealing air bag 10 is connected, can when the turn -over door is closed, fills the gas in the cavity, thereby seals the turn -over door, improves the sealing property of vacuum chamber, when the turn -over door is opened, the air bag body is pressure -relieved, thereby the turn -over door is opened conveniently and quickly, the utility model provides a turn -over door sealing air bag and sealed air bag inflation pressure -relief structure sealing effect is good, improved the sealing property of vacuum chamber, can be fast inflation pressure -relief and open or close the turn -over door conveniently, the utility model provides a turn -over door sealing air bag and sealed air bag inflation pressure -relief structure sealing effect is good, improved the sealing property of vacuum chamber, can be fast inflation pressure -relief and open or close the turn -over door conveniently.

[0031] When the turn -over door is closed, the first electromagnetic valve 32 is opened, the second electromagnetic valve 33 connects the air source 20 and the air bag body 11 of the turn -over door sealing air bag 10, the third electromagnetic valve 42 is closed, and the vacuum generator 43 does not work, so that the gas can be filled into the cavity 13 from the air source 20 through the first gas pipeline 31, sequentially through the first electromagnetic valve 32, the pressure reducing valve 34, the second electromagnetic valve 33 and the pressure sensor 35, so that the air bag body 11 is inflated, the air bag body 11 fills the gap between the turn -over door and the door frame, the sealing protrusion 12 is clamped in the sealing groove of the door frame, and the sealing property of the turn -over door and the vacuum chamber is improved. When the turn -over door is opened, the first electromagnetic valve 32 is closed, the second electromagnetic valve 33 connects the pressure relief assembly 40 and the air bag body 11 of the turn -over door sealing air bag 10, the third electromagnetic valve 42 is opened, and the vacuum generator 43 works, so that the gas in the cavity 13 is extracted, the air bag body 11 is deformed back to the original size, the sealing protrusion 12 is separated from the sealing groove of the door frame, and the turn -over door is conveniently and quickly opened. When the machine is stopped, the first electromagnetic valve 32 is closed, the second electromagnetic valve 33 connects the third gas pipeline 50 and the air bag body 11 of the turn -over door sealing air bag 10, the third electromagnetic valve 42 is closed, and the vacuum generator 43 does not work, so that the turn -over door sealing air bag 10 is disconnected from the restart assembly 30 and the pressure relief assembly 40, thereby saving energy such as electric power and production cost.

[0032] The utility model has been described exemplarily above in combination with the drawings. Obviously, the specific implementation of the utility model is not limited by the above-mentioned mode. As long as various non-essential improvements are made by adopting the method concept and technical scheme of the utility model, or the above-mentioned concept and technical scheme of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A turnstile door seal air bag provided on a turnstile, characterized by, The airbag body (11) is provided with a cavity (13), and the airbag body (11) is arranged on the turnover door and located between the turnover door and a door frame.

2. A structure for sealing the inflation and deflation of the air bag (10) of the turnover door according to claim 1, characterized in that, The airbag body (11) is provided with a cavity (13), and the airbag body (11) is arranged on the turnover door and located between the turnover door and a door frame.

3. The sealed air bag pressure relief structure of claim 2, wherein, The inflation assembly (30) comprises a first gas pipeline (31), a first electromagnetic valve (32) and a second electromagnetic valve (33), one end of the first gas pipeline (31) is connected with the gas source (20), the other end of the first gas pipeline (31) is connected with the airbag body (11), the first electromagnetic valve (32) is arranged on the first gas pipeline (31), and the second electromagnetic valve (33) is arranged on the first gas pipeline (31).

4. The sealed air bag pressure relief structure of claim 3, wherein, The pressure relief assembly (40) comprises a second gas pipeline (41), a third electromagnetic valve (42) and a vacuum generator (43), one end of the second gas pipeline (41) is connected with the first gas pipeline (31), the other end of the second gas pipeline (41) is connected with the second electromagnetic valve (33), the third electromagnetic valve (42) is arranged on the second gas pipeline (41), and the vacuum generator (43) is arranged on the second gas pipeline (41).

5. The sealed air bag pressure relief structure of claim 4, wherein, The third gas pipeline (50) is further arranged, one end of the third gas pipeline (50) is connected with the first gas pipeline (31), and the other end of the third gas pipeline (50) is connected with the second electromagnetic valve (33).

6. The sealed air cell pressure relief structure of claim 5, wherein, The first gas pipeline (31) is provided with a pressure reducing valve (34).

7. The sealed air bag inflation and deflation structure according to claim 5, wherein The first gas pipeline (31) is provided with a pressure sensor (35).

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