Air control door with high sealing performance

Abstract

The utility model discloses a high-sealing-performance pneumatic control door, and relates to the technical field of sealing doors. According to the technical scheme, the sealing device comprises a chamber door plate, a first through groove is formed in the chamber door plate, a sealing device body is arranged on the outer side surface of the chamber door plate and comprises a shell, and a mounting groove used for mounting the chamber door plate is formed in the surface of one side of the shell; and a second through groove corresponding to the through hole is formed in the surface of the other side of the shell, a sealing plate for sealing the first through groove is arranged in the shell, and a driving assembly for driving the sealing plate is further included. The utility model aims to provide a pneumatic control door with high sealing performance.

Description

Technical Field

[0001] The utility model relates to the technical field of sealed doors, and more specifically, to a pneumatically controlled door with high sealing performance. Background Art

[0002] In a processing or test environment with high requirements for air, sealed doors are often required to seal the interior of the space.

[0003] Existing sealed doors generally directly adopt a pneumatic structure to directly control the opening and closing of the sealed door. During the closing process, the sealed door is slidably connected between the door frames. After closing, the end of the sealed door abuts against one end of the door frame, and its sealing performance is good. However, since the top and bottom of the sealed door and the door frame are slidably connected, its sealing performance cannot be guaranteed, and thus the internal sealing performance cannot be ensured.

[0004] To solve the above problems, in an existing sealed door, in the structure of the existing sealed door, two cylinders are used to control the movement of the sealed door in two directions. First, the cylinder controls the sealed door to move along a direction parallel to the door frame so that it is located on one side of the door frame, and then another cylinder drives the sealed door to move towards the door frame so that it abuts against the door frame and plays a sealing role. This method has a relatively complex overall structure, and there may still be gaps between the sealing plate and the door frame, thus affecting its sealing effect.

[0005] Therefore, a new technical solution is urgently needed to solve the above technical problems. Summary of the Utility Model

[0006] Aiming at the deficiencies of the existing technology, the purpose of the present utility model is to provide a pneumatically controlled door with high sealing performance.

[0007] The above technical purpose of the present utility model is achieved through the following technical solutions: A pneumatically controlled door with high sealing performance includes a chamber door panel. A first through groove is opened on the chamber door panel. A sealing device is arranged on the outer surface of the chamber door panel. The sealing device includes a housing. An installation groove for installing the chamber door panel is opened on one side surface of the housing. A second through groove corresponding to a through hole is opened on the other side surface of the housing. A sealing plate for sealing the first through groove is arranged inside the housing, and a driving component for driving the sealing plate is also included.

[0008] By adopting the above technical solutions, before the sealing operation, the interior of the chamber is communicated with the outside through the first through groove, the internal space of the housing and the second through groove. When a sealed environment is required, the driving component drives the sealing plate to move towards the direction of the first through groove, so that the sealing plate fills the space of the housing located between the first through groove and the second through groove, and the surface of the sealing plate completely covers the first through groove, thereby effectively improving its final sealing effect.

[0009] The present utility model is further configured as follows: The driving assembly includes a sliding block slidably connected to the inner bottom of the housing along the horizontal direction. The sealing plate is disposed on the surface of the sliding block. The driving assembly further includes a driving member for driving the sliding block. The driving member drives the sliding block and the sealing plate to control the opening and closing of the first through groove.

[0010] The present utility model is further configured as follows: The surface of the sliding block is provided with a first inclined surface inclined towards the first through groove. The lower surface of the sealing plate is provided with a second inclined surface parallel to the first inclined surface. The sealing plate is slidably connected to the second inclined surface of the sliding block along the inclined direction of the first inclined surface.

[0011] The present utility model is further configured as follows: A plurality of first connecting blocks are fixedly connected to one side of the first inclined surface close to the first through groove along its width direction. A plurality of second connecting blocks corresponding to the first connecting blocks are fixedly connected to one side of the second inclined surface far from the first through groove along its width direction. A tension spring is fixedly connected between two opposite first connecting blocks and second connecting blocks.

[0012] The present utility model is further configured as follows: The surface of the sealing plate facing the chamber door panel is provided with a sealing ring.

[0013] The present utility model is further configured as follows: Side limiting plates are provided on both sides of the housing at the installation groove, and an end limiting plate is provided at the end of the installation groove. Card slots for the side limiting plates to be inserted are formed on both sides of the chamber door panel. The outer surfaces of the side limiting plates and the end limiting plate are fixedly connected to the chamber door panel by bolts.

[0014] The present utility model is further configured as follows: A top plate is fixedly connected to the side wall of the sealing plate facing the end limiting plate.

[0015] The present utility model is further configured as follows: A guide rail is fixedly connected to the surface of the first inclined surface of the sliding block, and a guide strip slidably connected to the guide rail is fixedly connected to the second inclined surface of the sealing plate.

[0016] The present utility model is further configured as follows: The driving member is specifically a cylinder disposed in the housing.

[0017] The present utility model is further configured as follows: A protruding shoulder abutting against the lower surface of the sliding block is provided on the inner surface of the housing at the second through groove.

[0018] The utility model has the following beneficial effects: Before the sealing operation, the interior of the chamber is communicated with the outside through the first through groove, and the interior space of the housing is communicated with the second through groove. When a sealed environment is required, the driving component drives the sealing plate to move towards the direction of the first through groove, so that the sealing plate fills the space of the housing between the first through groove and the second through groove, and the surface of the sealing plate completely covers the first through groove. The cylinder applies force, and the back shoulder abuts, with reliable force application and wedge-shaped dead stop. The structure of this application is simple and can effectively improve its final sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a three-dimensional structural schematic diagram of this embodiment;

[0020] Figure 2 is a cross-sectional structural schematic diagram of this embodiment;

[0021] Figure 3 is an exploded structural schematic diagram of the sliding block and the sealing plate of this embodiment;

[0022] Figure 4 is a structural schematic diagram of the housing and the chamber door panel of this embodiment;

[0023] Figure 5 is a cross-sectional structural schematic diagram of another state of this embodiment.

[0024] BRIEF DESCRIPTION OF THE DRAWINGS: 1. Chamber door panel; 2. First through groove; 3. Housing; 4. Second through groove; 5. Sealing plate; 501. First inclined surface; 6. Sliding block; 601. First inclined surface; 7. Driving member; 8. First connecting block; 9. Second connecting block; 10. Tension spring; 11. Sealing ring; 12. Groove; 13. Side limiting plate; 14. End limiting plate; 15. Card slot; 16. Bolt; 17. Guide rail; 18. Guide strip; 19. Protruding shoulder; 20. Top plate. DETAILED DESCRIPTION OF THE EMBODIMENT

[0025] The following further details the present utility model with reference to the accompanying drawings.

[0026] Among them, the same components are denoted by the same reference numerals. It should be noted that the terms "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the terms "bottom surface" and "top surface", "inner" and "outer" respectively refer to the directions towards or away from the geometric center of a specific component.

[0027] As shown in the figure, a highly sealed pneumatically controlled door includes a chamber door panel 1. A first through groove 2 is formed in the chamber door panel 1. A sealing device is arranged on the outer surface of the chamber door panel 1. The sealing device includes a housing 3. An installation groove for installing the chamber door panel 1 is formed in one side surface of the housing 3. A second through groove 4 corresponding to the through hole is formed in the other side surface of the housing 3. A sealing plate 5 for sealing the first through groove 2 is arranged in the housing 3. A driving assembly for driving the sealing plate 5 is further included.

[0028] Before the sealing operation, the inside of the chamber communicates with the outside through the first through groove 2, the internal space of the housing 3 and the second through groove 4. When a sealed environment is required, the driving assembly drives the sealing plate 5 to move towards the direction of the first through groove 2, so that the sealing plate 5 fills the space of the housing 3 between the first through groove 2 and the second through groove 4. The surface of the sealing plate 5 completely covers the first through groove 2, thereby effectively improving the final sealing effect.

[0029] The driving assembly includes a sliding block 6 slidably connected to the inner bottom of the housing 3 in the horizontal direction. The sealing plate 5 is arranged on the surface of the sliding block 6. A driving member 7 for driving the sliding block 6 is further included. The driving member 7 is specifically a cylinder arranged in the housing 3. The driving member 7 drives the sliding block 6 and the sealing plate 5 to control the opening and closing of the first through groove 2. A first inclined surface 601 inclined towards the first through groove 2 is arranged on the surface of the sliding block 6. A second inclined surface 501 parallel to the first inclined surface 601 is arranged on the lower surface of the sealing plate 5. The sealing plate 5 is slidably connected to the second inclined surface 501 of the sliding block 6 along the inclined direction of the first inclined surface 601 through the first inclined surface 601.

[0030] A plurality of first connecting blocks 8 are fixedly connected to one side of the first inclined surface 601 close to the first through groove 2 along its width direction. A plurality of second connecting blocks 9 corresponding to the first connecting blocks 8 are fixedly connected to one side of the second inclined surface 501 far from the first through groove 2 along its width direction. A tension spring 10 is fixedly connected between two opposite first connecting blocks 8 and second connecting blocks 9.

[0031] When the driving member 7 drives the sliding block 6 to move towards the direction of the first through groove 2, the sliding block 6 and the sealing plate 5 are relatively stationary and move towards the first through groove 2 at the same time. When the top plate 20 abuts against the inner wall of the housing 3, the driving member 7 continues to push the sliding block 6 to move. At this time, under the action of the inclined surface, the sealing plate 5 slides relative to the sliding block 6, and one side surface of it gradually approaches the chamber door panel 1. The tension spring 10 is stretched and finally abuts tightly against the chamber door panel 1 and completely covers the first through groove 2 to play a sealing role.

[0032] A sealing ring 11 is provided on the surface of the sealing plate 5 facing the chamber door panel 1. The sealing ring 11 is arranged along the circumferential side of the first through groove 2. A groove 12 for installing the sealing ring 11 is formed on the surface of the sealing plate 5. The top of the sealing ring 11 extends out of the groove 12. Before the sealing work is carried out, there is a certain gap between the sealing ring 11 and the chamber door panel 1, so that the driving member 7 can smoothly push the sliding block 6 and the sealing plate 5 to move. Finally, under the action of the driving member 7, the sealing plate 5 approaches the chamber door panel 1, and the part of the sealing ring 11 extending out of the groove 12 abuts against the chamber door panel 1 and is located on the circumferential side of the first through groove 2, thereby playing an effective sealing role for the chamber door panel 1.

[0033] When the first through groove 2 needs to be opened, the driving member 7 drives the sliding block 6 to move in the reverse direction. Under the pulling force of the tension spring 10, the sealing plate 5 slides relative to the sliding block 6 and resets, which can prevent the structure of wedge locking from being locked and facilitate the recovery of the air cylinder.

[0034] Side limiting plates 13 are provided on both sides of the housing 3 located in the installation groove, and end limiting plates 14 are provided at the ends of the installation groove. Card slots 15 for the side limiting plates 13 to be inserted are formed on both sides of the chamber door panel 1. The outer surfaces of the side limiting plates 13 and the end limiting plates 14 are fixedly connected to the chamber door panel 1 by bolts 16 to ensure the stability of the installation between the chamber door panel 1 and the housing 3. A top plate 20 is fixedly connected to the side wall of the sealing plate 5 facing the end limiting plate 14 to protect the sealing plate 5.

[0035] A guide rail 17 is fixedly connected to the first inclined surface of the sliding block 6, and a guide bar 18 slidably connected to the guide rail 17 is fixedly connected to the second inclined surface 501 of the sealing plate 5. It ensures the stability when the sliding block 6 and the sealing plate 5 slide, and plays a blocking role for the sealing plate 5 to block it from sliding downward along the first inclined surface 601, so that when the sealing plate 5 is at the lowest point, there is a certain gap between the sealing ring 11 and the chamber door panel 1.

[0036] A protruding shoulder 19 abutting against the lower surface of the sliding block 6 is provided on the inner surface of the housing 3 located in the second through groove 4 to support the sliding block 6 and prevent the air cylinder from being worn by the lateral force and the cylinder shaft from breaking.

[0037] The specific embodiments are only explanations of the present invention, and they are not limitations to the present invention. Those skilled in the art can make modifications without creative contributions to the embodiments according to needs after reading this specification, but as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

Claims

1. A highly sealed pneumatically controlled door, including a chamber door panel (1), wherein a first through groove (2) is formed on the chamber door panel (1), and it is characterized in that: A sealing device is provided on the outer surface of the chamber door panel (1). The sealing device includes a housing (3). One side surface of the housing (3) is provided with a mounting groove for mounting the chamber door panel (1). The other side surface of the housing (3) is provided with a second through groove (4) corresponding to the through hole. A sealing plate (5) for sealing the first through groove (2) is arranged in the housing (3), and a driving component for driving the sealing plate (5) is further included. The driving component includes a sliding block (6) slidably connected to the inner bottom of the housing (3) in the horizontal direction. The sealing plate (5) is arranged on the surface of the sliding block (6). A driving member (7) for driving the sliding block (6) is further included. The driving member (7) drives the sliding block (6) and the sealing plate (5) to control the opening and closing of the first through groove (2). A first inclined surface (601) inclined towards the first through groove (2) is arranged on the surface of the sliding block (6). A second inclined surface (501) parallel to the first inclined surface (601) is arranged on the lower surface of the sealing plate (5). The sealing plate (5) is slidably connected to the second inclined surface (501) of the sliding block (6) along the inclined direction of the first inclined surface (601) through the first inclined surface (601).

2. The highly-sealed pneumatically-controlled door according to claim 1, wherein: A plurality of first connecting blocks (8) are fixedly connected to one side of the first inclined surface (601) close to the first through groove (2) along its width direction. A plurality of second connecting blocks (9) corresponding to the first connecting blocks (8) are fixedly connected to one side of the second inclined surface (501) far from the first through groove (2) along its width direction. A tension spring (10) is fixedly connected between two opposite first connecting blocks (8) and second connecting blocks (9).

3. The highly-sealed pneumatically-controlled door according to claim 2, wherein: A sealing ring (11) is arranged on the surface of the sealing plate (5) facing the chamber door panel (1).

4. The highly-sealed pneumatically-controlled door according to claim 3, characterized in that: Side limiting plates (13) are arranged on both sides of the housing (3) located in the mounting groove, and an end limiting plate (14) is arranged at the end of the mounting groove. Card slots (15) for the side limiting plates (13) to be inserted into are arranged on both sides of the chamber door panel (1). The outer surface of the side limiting plate (13) is fixedly connected to the chamber door panel (1) through bolts (16).

5. The highly-sealed pneumatic control door according to claim 4, wherein: A top plate (20) is fixedly connected to the side wall of the sealing plate (5) facing the end limiting plate.

6. The highly-sealed pneumatically-controlled door according to claim 5, wherein: A guide rail (17) is fixedly connected to the first inclined surface of the sliding block (6), and a guide bar (18) slidably connected to the guide rail (17) is fixedly connected to the second inclined surface of the sealing plate (5).

7. The high-sealing air-controlled door according to claim 1, characterized in that: The driving member (7) is specifically a cylinder arranged in the housing (3).

8. The high-sealing air-controlled door according to claim 6, characterized in that: A protruding shoulder (19) abutting against the lower surface of the sliding block (6) is arranged on the inner surface of the housing (3) located at the second through groove (4).

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