A sliding door for a clean room

Abstract

The utility model discloses a kind of sliding doors for purification room, including the sliding door body for purification room, the top of the sliding door body is provided with two top blocking strips, two the top blocking strip between is provided with top sealing assembly for the top sealing of the sliding door body, the bottom of the sliding door body is provided with two bottom blocking strips, the bottom of two The bottom blocking strip is equipped with bottom sealing assembly for the bottom sealing of the sliding door body. The utility model is through setting multiple sealing structure between top, bottom, side and sliding door, the sealing performance of sliding door is improved in all directions, effectively avoid dust from each possible position into purification room, provide a more clean, reliable environment for purification room, meet the strict requirement of high sealing property of purification room.

Description

Technical Field

[0001] This utility model relates to the field of sliding door technology, specifically a sliding door for cleanrooms. Background Technology

[0002] In cleanroom environments, extremely high levels of air cleanliness are required. Even the slightest dust or contaminant entering can affect the normal operation of production, experiments, and other activities within the cleanroom. Therefore, the sealing performance of cleanroom sliding doors is of paramount importance.

[0003] Currently, existing technologies, such as the sliding door for cleanrooms disclosed in CN222894199U, have made certain improvements in the field of cleanroom sliding door technology. This sliding door uses a motor to drive a connecting belt, which in turn closes the sliding door panel. When the left side of the sliding door panel collides with the door frame, the squeeze button is pressed to the right, causing the second spring to be squeezed closer to the first spring, thus moving the sweeping strip downwards. This allows the silicone strip at the lower end of the sweeping strip to make tight contact with the lower end of the door frame, blocking the gap between the sliding door panel and the lower end of the door frame, ensuring the cleanliness of the cleanroom's interior space. Furthermore, the squeeze button can be adjusted to accommodate different door gap sizes.

[0004] However, the sliding door of the above-mentioned technical solution has obvious shortcomings. The seal between the top of the door and the door frame is not perfect. In actual use, dust can easily enter the cleanroom from the top of the sliding door body, failing to meet the strict requirements of cleanrooms for airtightness, and thus affecting the overall environmental quality of the cleanroom. Utility Model Content

[0005] The purpose of this invention is to provide a sliding door for cleanrooms to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a sliding door for a clean room, comprising a sliding door body for a clean room, wherein two top baffles are provided on the top of the sliding door body, and a top sealing assembly for sealing the top of the sliding door body is provided between the two top baffles; and two bottom baffles are provided on the bottom of the sliding door body, and a bottom sealing assembly for sealing the bottom of the sliding door body is installed on the bottom of each of the two bottom baffles.

[0007] Optionally, the top sealing assembly includes a concave sealing frame, which is slidably disposed between the two top baffles. Two symmetrically arranged connecting springs are fixedly connected to the bottom of the concave sealing frame, and the bottom of the connecting springs is fixedly connected to the top of the sliding door body.

[0008] Optionally, guide posts are fixedly connected to both sides of the bottom of the concave sealing frame, and a guide groove matching the guide post is provided on the top of the sliding door body at the position corresponding to the guide post.

[0009] Optionally, both sides of the concave sealing frame are provided with external sealing gaskets that are sealed and connected to the top baffle, and both sides of the inner wall of the concave sealing frame are provided with internal sealing gaskets that are sealed and connected to the door frame.

[0010] Optionally, the bottom of the inner wall of the concave sealing frame is provided with several mounting grooves arranged at equal intervals. An auxiliary roller that is rotatably connected to the top of the door frame is mounted on the inner wall of the mounting groove via a connecting shaft. Several support rollers arranged at equal intervals are installed at the bottom of the sliding door body.

[0011] Optionally, the bottom sealing assembly includes a connecting strip fixedly connected to the bottom of the bottom baffle, and a sweeping strip is fixedly connected to the bottom of the connecting strip.

[0012] Optionally, the connecting strip is a hollow rubber strip, and the interior of the connecting strip is provided with a plurality of abutment springs arranged at equal intervals.

[0013] Optionally, a side sealing gasket is provided on the side of the sliding door body, and a sealing protrusion is provided on one side of the front of the sliding door body.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] 1. The sliding door for cleanrooms provided by this utility model improves the sealing performance of the sliding door in all aspects by setting multiple sealing structures at the top, bottom, sides and between the sliding doors, effectively preventing dust from entering the cleanroom from all possible locations, providing a cleaner and more reliable environment for the cleanroom, and meeting the strict requirements of cleanrooms for high sealing performance.

[0016] 2. Bottom Sealing: A bottom sealing assembly is installed at the bottom of the sliding door body. The connecting strip in the bottom sealing assembly is a hollow rubber strip, and several evenly spaced abutment springs are installed inside. Under the elastic force of the abutment springs, the sweeping strip can maintain a tight seal with the bottom of the door frame, effectively preventing dust from entering the cleanroom from the bottom of the sliding door body, and enhancing the sealing performance of the bottom of the cleanroom.

[0017] 3. Top Sealing: The top of the sliding door body is equipped with a top sealing component. This component features a retractable concave sealing frame, which, under the elasticity of a connecting spring, can freely expand and contract to adapt to door frames of varying heights. This design ensures that the concave sealing frame fits tightly against the door frame regardless of its height, guaranteeing a good seal. Simultaneously, an external sealing gasket on the outside of the concave sealing frame ensures a tight seal between the frame and the top baffle; an internal sealing gasket on the inner wall of the concave sealing frame ensures a tight seal between the frame and the door. Therefore, during the free expansion and contraction of the concave sealing frame, it maintains a good seal with the door frame at all times, effectively preventing dust from entering the cleanroom from above the sliding door body.

[0018] 4. Side sealing: Side sealing gaskets are installed on the sides of the sliding door body. When the sliding door body is closed, the side sealing gaskets can seal well with the side of the door frame, further reducing the possibility of dust entering the clean room from the side and improving the sealing performance of the clean room's sides.

[0019] 5. Sealing between sliding doors: A sealing protrusion is provided on one side of the front of the sliding door body. When multiple sliding door bodies are used, the sealing protrusion can achieve a good seal between two sliding door bodies, ensuring the overall airtightness of the sliding door structure and preventing dust from entering the clean room through the gaps between the sliding doors. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of the sliding door of this utility model used in a cleanroom;

[0021] Figure 2 This is a cross-sectional structural diagram of the sliding door of this utility model used in a cleanroom;

[0022] Figure 3 This is an exploded structural diagram of the sliding door of this utility model used in clean rooms;

[0023] Figure 4 This is a cross-sectional structural diagram of the sliding door body in the sliding door of the present invention used in a clean room;

[0024] Figure 5 This is a schematic diagram of the top sealing assembly in the sliding door of a cleanroom according to the present invention;

[0025] Figure 6 This is a cross-sectional structural diagram of the top sealing assembly in the sliding door of a cleanroom according to the present invention;

[0026] Figure 7 This is a schematic diagram of the bottom sealing assembly in the sliding door of a cleanroom according to the present invention;

[0027] Figure 8This is a schematic diagram of the structure of the sliding door body of the present invention when the two sliding door bodies are combined in a clean room.

[0028] In the picture:

[0029] 1. Sliding door body; 2. Top stop strip; 3. Top sealing assembly; 4. Bottom stop strip; 5. Bottom sealing assembly;

[0030] 101. Support roller; 102. Side sealing gasket; 103. Sealing protrusion;

[0031] 301, concave sealing frame; 3011, connecting spring;

[0032] 302, guide post; 3021, guide groove;

[0033] 303, External sealing gasket; 3031, Internal sealing gasket;

[0034] 304, mounting slot; 3041, auxiliary roller;

[0035] 501, Connecting strip; 5011, Sweeping strip; 502, Abutment spring. Detailed Implementation

[0036] 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.

[0037] Please see Figure 1-8 A sliding door for a cleanroom includes a sliding door body 1 for the cleanroom, two top baffles 2 are provided on the top of the sliding door body 1, a top sealing assembly 3 for sealing the top of the sliding door body 1 is provided between the two top baffles 2, and two bottom baffles 4 are provided on the bottom of the sliding door body 1, and a bottom sealing assembly 5 for sealing the bottom of the sliding door body 1 is installed on the bottom of each of the two bottom baffles 4.

[0038] By adopting the above technical solution, a complete upper and lower sealing system is formed by setting a top sealing component 3 and a bottom sealing component 5 at the top and bottom of the sliding door body 1, respectively, and cooperating with the top baffle 2 and the bottom baffle 4. This provides a basic sealing frame for the cleanroom sliding door and effectively prevents dust from entering the cleanroom from the top and bottom.

[0039] To achieve flexible sealing between the top of the sliding door body 1 and the door frame, in this embodiment: the top sealing assembly 3 includes a concave sealing frame 301, which is slidably disposed between two top baffles 2. Two symmetrically arranged connecting springs 3011 are fixedly connected to the bottom of the concave sealing frame 301, and the bottom of the connecting springs 3011 is fixedly connected to the top of the sliding door body 1. The concave sealing frame 301 can slide between the two top baffles 2. With the elastic force of the connecting springs 3011, the concave sealing frame 301 can freely extend and retract according to the change of door frame height, adapting to door frames of different heights, thereby ensuring good top sealing in different installation environments and effectively preventing dust from entering the clean room from the gap between the top of the sliding door body 1 and the door frame.

[0040] To ensure the stability of the expansion and contraction of the concave sealing frame 301, in this embodiment: guide posts 302 are fixedly connected to both sides of the bottom of the concave sealing frame 301, and a guide groove 3021 matching the guide post 302 is provided on the top of the sliding door body 1 at the position corresponding to the guide post 302. The cooperation between the guide post 302 and the guide groove 3021 provides precise guidance for the expansion and contraction of the concave sealing frame 301, so that it can move up and down smoothly and accurately under the action of the connecting spring 3011, avoiding the problem of poor sealing caused by shaking or offset, and further improving the reliability of the top seal.

[0041] To enhance the sealing performance of the concave sealing frame 301, in this embodiment: both sides of the concave sealing frame 301 are provided with external sealing gaskets 303 that are sealed to the top baffle 2, and both sides of the inner wall of the concave sealing frame 301 are provided with internal sealing gaskets 3031 that are sealed to the door frame. The external sealing gaskets 303 can effectively fill the gap between the concave sealing frame 301 and the top baffle 2, preventing dust from entering from this part; the internal sealing gaskets 3031 can ensure a tight fit between the concave sealing frame 301 and the door frame, enhancing the sealing effect. The double sealing gasket design ensures the sealing performance of the concave sealing frame 301 from both internal and external aspects, maintaining a good sealing state even during the expansion and contraction of the concave sealing frame 301.

[0042] To reduce resistance during sliding door movement and protect the door frame, in this embodiment: the bottom of the inner wall of the concave sealing frame 301 is provided with several equally spaced mounting grooves 304. An auxiliary roller 3041, which is rotatably mounted on the inner wall of the mounting groove 304 and rolledly connected to the top of the door frame, is mounted on the inner wall of the mounting groove 304 via a connecting shaft. Several equally spaced support rollers 101 are installed at the bottom of the sliding door body 1. The auxiliary rollers 3041 create rolling friction between the concave sealing frame 301 and the top of the door frame, greatly reducing resistance during sliding door movement and making opening and closing the sliding door easier and smoother. Simultaneously, the support rollers 101 provide stable support for the sliding door body 1, ensuring the stability of the sliding door during movement. Furthermore, the rolling connection method also reduces wear on the door frame, extending the service life of the sliding door and the door frame.

[0043] To achieve effective sealing of the bottom of the sliding door body 1, in this embodiment: the bottom sealing assembly 5 includes a connecting strip 501 fixedly connected to the bottom of the bottom stop strip 4. A sweeping strip 5011 is fixedly connected to the bottom of the connecting strip 501. The sweeping strip 5011 directly contacts the bottom of the door frame, which can clean the dust at the bottom of the door frame and also plays a preliminary sealing role, preventing dust from entering the cleanroom from the gap between the bottom of the sliding door body 1 and the door frame. The connecting strip 501 provides a stable connection and support for the sweeping strip 5011.

[0044] To improve the tightness of the bottom seal, in this embodiment: the connecting strip 501 is a hollow rubber strip, and the interior of the connecting strip 501 is provided with several abutment springs 502 arranged at equal intervals. The hollow rubber strip has a certain elasticity, and together with the abutment springs 502 inside, it can generate greater elasticity, so that the sweeping strip 5011 always fits tightly against the bottom of the door frame. Even if there is unevenness at the bottom of the door frame, it can ensure a good sealing effect, further enhancing the dustproof capability of the bottom of the cleanroom.

[0045] To improve the overall sealing performance of the sliding door, in this embodiment: a side sealing gasket 102 is provided on the side of the sliding door body 1, and a sealing protrusion 103 is provided on one side of the front of the sliding door body 1. The side sealing gasket 102 can fit tightly against the side of the door frame when the sliding door body 1 is closed, preventing dust from entering the clean room from the side; the sealing protrusion 103 can achieve a good seal between the two sliding door bodies 1, preventing dust from entering through the gaps between the sliding doors. The design of these two sealing structures further improves the overall sealing system of the sliding door, comprehensively protecting the clean environment of the clean room.

[0046] When in use, the bottom sealing component 5 at the bottom of the sliding door body 1 takes effect, and the abutment spring 502 inside the connecting strip 501 generates elasticity, so that the sweeping strip 5011 fits tightly against the bottom of the door frame, effectively preventing dust from entering the purification chamber from the bottom.

[0047] At the top of the sliding door body 1, the concave sealing frame 301 of the top sealing assembly 3 extends and retracts freely under the elastic force of the connecting spring 3011, adapting to the height of the door frame. The guide post 302 and the guide groove 3021 ensure stable extension and retraction, while the outer sealing gasket 303 and the inner sealing gasket 3031 respectively ensure the sealing between the concave sealing frame 301 and the top stop strip 2 and the door frame. The auxiliary roller 3041 reduces the resistance when the sliding door moves and protects the door frame. At the same time, the side sealing gasket 102 on the side of the sliding door body 1 seals well with the side of the door frame when closed, and the sealing protrusion 103 on the front side ensures a good seal between the two sliding door bodies 1, thereby increasing the overall sealing performance of the sliding door body 1 in all directions and preventing dust from entering the cleanroom.

[0048] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A sliding door for a cleanroom, comprising a sliding door body (1) for a cleanroom, characterized in that: The top of the sliding door body (1) is provided with two top baffles (2), and a top sealing assembly (3) for sealing the top of the sliding door body (1) is provided between the two top baffles (2). The bottom of the sliding door body (1) is provided with two bottom baffles (4), and a bottom sealing assembly (5) for sealing the bottom of the sliding door body (1) is installed at the bottom of each of the two bottom baffles (4).

2. The sliding door for a cleanroom according to claim 1, characterized in that: The top sealing assembly (3) includes a concave sealing frame (301), which is slidably disposed between the two top baffles (2). The bottom of the concave sealing frame (301) is fixedly connected to two symmetrically arranged connecting springs (3011), and the bottom of the connecting springs (3011) is fixedly connected to the top of the sliding door body (1).

3. The sliding door for a cleanroom according to claim 2, characterized in that: Guide posts (302) are fixedly connected to both sides of the bottom of the concave sealing frame (301), and a guide groove (3021) matching the guide post (302) is opened on the top of the sliding door body (1) at the position corresponding to the guide post (302).

4. The sliding door for a cleanroom according to claim 3, characterized in that: Both sides of the concave sealing frame (301) are provided with external sealing gaskets (303) that are sealed and connected to the top baffle (2), and both sides of the inner wall of the concave sealing frame (301) are provided with internal sealing gaskets (3031) that are sealed and connected to the door frame.

5. The sliding door for a cleanroom according to claim 4, characterized in that: The bottom of the inner wall of the concave sealing frame (301) is provided with several mounting grooves (304) arranged at equal distances. The inner wall of the mounting groove (304) is rotatably mounted with an auxiliary roller (3041) that is rolledly connected to the top of the door frame. The bottom of the sliding door body (1) is provided with several support rollers (101) arranged at equal distances.

6. The sliding door for a cleanroom according to claim 5, characterized in that: The bottom sealing assembly (5) includes a connecting strip (501) fixedly connected to the bottom of the bottom baffle (4), and a sweeping strip (5011) is fixedly connected to the bottom of the connecting strip (501).

7. The sliding door for a cleanroom according to claim 6, characterized in that: The connecting strip (501) is a hollow rubber strip, and the interior of the connecting strip (501) is provided with a plurality of abutment springs (502) arranged at equal intervals.

8. The sliding door for a cleanroom according to claim 7, characterized in that: The sliding door body (1) is provided with a side sealing gasket (102) on the side and a sealing protrusion (103) on one side of the front of the sliding door body (1).

Images