Delivery window for clean room
By adopting a sliding safety window structure and a motor-driven belt in the pass-through window of the cleanroom, the problems of gas flow speed and space occupation caused by the rotating door method are solved, realizing smooth sliding of the safety window and gas exchange, and improving the convenience of equipment layout and personnel movement.
Patent Information
- Application Number
- CN202520182764.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-06
- Publication Date
- 2026-03-06
- Estimated Expiration
- 2035-02-06
AI Technical Summary
The existing cleanroom uses a rotating door system for pass-through windows, which increases the gas flow rate and occupies space, affecting equipment placement and personnel movement.
The safety window adopts a sliding connection structure, combined with a motor drive belt and locking components, to realize the sliding opening and closing of the safety window, and replaces the gas through the ventilation component, reducing gas flow and space occupation.
The safety window allows for smooth sliding, reducing gas flow speed and space occupation, and improving the convenience of equipment layout and personnel movement.
Smart Images

Figure CN223975062U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cleanroom technology, specifically a pass-through window for cleanrooms. Background Technology
[0002] A pass-through window for cleanrooms is an auxiliary device used in cleanrooms, primarily for transferring small items between clean areas and between non-clean areas and clean areas.
[0003] In terms of existing technology, its structure includes a well-sealed and corrosion-resistant box, two or more doors connected by an interlocking device, and is also equipped with ultraviolet disinfection lamps to disinfect items, a ventilation and filtration system to ensure air cleanliness, and a pass-through window so that after the items are placed in, the side door is closed and disinfected, and the other side door can be opened to take out the items.
[0004] However, existing devices open the door by rotating it, which increases the speed of gas flow during the rotation process. This leads to an increase in the content of polluting gases inside the device. In addition, the rotating opening method occupies a lot of space, which restricts the placement of equipment around the pass-through window and the activity space of personnel. Therefore, we propose a pass-through window for cleanrooms. Utility Model Content
[0005] One of the technical problems this application aims to solve is that the rotating door of the device increases the gas flow speed and occupies a large space.
[0006] To address the aforementioned technical problems, this application provides a pass-through window for cleanrooms, comprising a window body, with safety windows slidably connected to both the front and rear sides of the window body, a sealing element provided in the middle of the window body for closing the window body, a locking element provided inside the window body for locking the safety windows, and a ventilation element provided inside the window body for replacing the gas inside the window body.
[0007] Preferably, the closure includes a sliding groove on both the front and rear sides of the middle of the window body. The upper and lower rear parts of the safety window are provided with fixing blocks. The fixing blocks slide inside the sliding groove. A connecting block is slidably connected to the outer periphery of the upper fixing block. A belt is provided at the end of the connecting block away from the fixing block. A driving component is provided inside the window body to drive the belt to rotate. A guide is provided in the middle of the inside of the window body to stabilize the sliding of the safety window.
[0008] Preferably, the drive component includes a plurality of evenly distributed pulleys rotatably connected to the upper part of the window, and two evenly distributed motors are provided inside the upper part of the window. The drive end of the motor is located at the lower part of the left pulley, and the belt is sleeved on the outer periphery of two of the pulleys.
[0009] Preferably, the guide includes positioning blocks disposed on the front and rear sides of the middle part of the window, and the safety window has two sliding grooves on the upper and lower sides, and the positioning blocks slide inside the two sliding grooves.
[0010] Preferably, the locking component includes a locking block disposed on the right side of the safety window, and two clamps are rotatably connected to the front and rear sides of the interior of the window. The left ends of the two clamps abut against the interior of one of the locking blocks, and the right ends of the two clamps are slidably connected to a push plate. A second driving component is disposed on the right side of the push plate for driving the push plate to slide.
[0011] Preferably, the second driving component includes electric push rods disposed on the front and rear sides inside the window, the left end of the electric push rods being disposed on the right side of the push plate, and sliding grooves are provided on both the front and rear sides inside the window, the clamp rotating inside the sliding grooves, and the push plate sliding inside the sliding grooves.
[0012] Preferably, the ventilation component includes a first pipe disposed in the upper part of the window body, a first ventilation port disposed at the rear end and the lower end of the first pipe, a ventilation groove opened in the lower part of the window body, an air suction machine disposed in the lower part of the window body, the input end of the air suction machine disposed in the ventilation groove, a second pipe disposed at the output end of the air suction machine, a second ventilation port disposed at the front end of the second pipe, and a check valve disposed in the middle of the second pipe.
[0013] Preferably, a damping rod is provided inside the lower right side of the safety window, and a baffle is provided at the left end of the damping rod.
[0014] This utility model has at least the following beneficial effects:
[0015] 1. The motor drives the pulley to rotate, which in turn drives the belt to rotate. The belt drives the connecting block to move to the left, and the connecting block pushes the fixed block and the safety window to move to the left. At the same time as the safety window moves to the left, the first slide and the positioning block push the fixed block and the second slide forward respectively, thereby realizing the function of sliding open the safety window.
[0016] 2. The electric actuator pushes the push plate to the left, which in turn pushes the two clamps to rotate. The rotation of the two clamps increases the distance between their left ends, thereby disengaging them from the locking block and releasing the front safety window from its lock. The electric actuator pulls the push plate to the right to lock the safety window, thus achieving the locking function of the safety window. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0018] Figure 2 This is a schematic diagram of the safety window structure of this utility model;
[0019] Figure 3 This is a schematic diagram of the second structure of the slide groove of this utility model;
[0020] Figure 4 This is a schematic diagram of the push plate structure of this utility model;
[0021] Figure 5 This is a schematic diagram of the pipe structure of this utility model;
[0022] Figure 6 This is a schematic diagram of the structure of Embodiment 2 of this utility model.
[0023] In the diagram: 1. Window; 2. Enclosure; 21. Safety window; 22. Fixing block; 23. Connecting block; 24. Belt; 25. Slide 1; 26. Damping rod; 27. Baffle; 3. Drive component 1; 31. Motor; 32. Pulley; 4. Guide component; 41. Positioning block; 42. Slide 2; 5. Locking component; 51. Locking block; 52. Clamp; 53. Push plate; 6. Drive component 2; 61. Electric push rod; 62. Slide 3; 7. Ventilation component; 71. Pipe 1; 72. Ventilation port 1; 73. Ventilation trough; 74. Air intake machine; 75. Pipe 2; 76. Check valve; 77. Ventilation port 2. Detailed Implementation
[0024] 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.
[0025] Example 1: Please refer to Figure 1-5 This utility model provides a technical solution: a pass-through window for a clean room, including a window body 1, with safety windows 21 slidably connected to both the front and rear sides of the window body 1, a sealing member 2 provided in the middle of the window body 1 for closing the window body 1, a locking member 5 provided inside the window body 1 for locking the safety windows 21, and a ventilation member 7 provided inside the window body 1 for replacing the gas inside the window body 1.
[0026] Furthermore, the closure 2 includes a sliding groove 25 on the front and rear sides of the middle of the window 1. The upper and lower rear parts of the safety window 21 are provided with fixing blocks 22. The fixing blocks 22 slide inside the sliding groove 25. The outer periphery of the upper fixing block 22 is slidably connected to a connecting block 23. A belt 24 is provided at the end of the connecting block 23 away from the fixing block 22. A driving component 3 is provided inside the window 1 to drive the belt 24 to rotate. A guide 4 is provided in the middle of the inside of the window 1 to stabilize the sliding of the safety window 21.
[0027] The two safety windows 21 can divide the front, back and interior of the window 1 into three spaces. The slide 25 is used to guide the fixed block 22 to slide. The fixed block 22 can stabilize the sliding of the safety window 21. The fixed block 22 located at the top can drive the safety window 21 to slide. The connecting block 23 can push the fixed block 22 to move. The belt 24 can push the connecting block 23 to move.
[0028] Furthermore, the drive component 3 includes multiple evenly distributed pulleys 32 rotatably connected to the upper interior of the window 1. Two evenly distributed motors 31 are provided inside the upper interior of the window 1. The drive end of the motor 31 is located at the lower part of the left pulley 32, and the belt 24 is sleeved on the outer periphery of two of the pulleys 32.
[0029] The motor 31 can drive the pulleys 32 to rotate. The two pulleys 32 can support the belt 24, so that the belt 24 maintains tension and drives the belt 24 to rotate.
[0030] Furthermore, the guide 4 includes positioning blocks 41 set on the front and rear sides of the middle of the window 1, and the upper and lower sides of the safety window 21 are provided with sliding grooves 42, and the positioning blocks 41 slide inside the sliding grooves 42.
[0031] The second slide 42 can provide sliding space for the positioning block 41, and the positioning block 41 can prevent the safety window 21 from swinging back and forth when it moves.
[0032] Furthermore, the locking component 5 includes a locking block 51 located on the right side of the safety window 21. Two clamps 52 are rotatably connected to the front and rear sides of the interior of the window 1. The left ends of the two clamps 52 abut against the interior of a locking block 51, and the right ends of the two clamps 52 are slidably connected to a push plate 53. A driving component 6 is provided on the right side of the push plate 53 for driving the push plate 53 to slide.
[0033] The locking block 51 can provide a locking space for the clamp 52 to engage, and the clamp 52 can fix the position of the locking block 51 to prevent the locking block 51 from moving.
[0034] Furthermore, the driving component 2 6 includes electric push rods 61 disposed on the front and rear sides inside the window 1. The left end of the electric push rod 61 is disposed on the right side of the push plate 53. Slide grooves 3 62 are provided on both the front and rear sides inside the window 1. The clamp 52 rotates inside the slide grooves 3 62, and the push plate 53 slides inside the slide grooves 3 62.
[0035] Furthermore, the ventilation component 7 includes a pipe 71 located in the upper part of the window 1, with ventilation ports 72 located at the rear end and lower end of the pipe 71. A ventilation slot 73 is provided in the lower part of the window 1, and an air intake 74 is provided in the lower part of the window 1. The input end of the air intake 74 is located inside the ventilation slot 73, and a pipe 75 is provided at the output end of the air intake 74. A ventilation port 77 is provided at the front end of the pipe 75, and a check valve 76 is provided in the middle of the pipe 75.
[0036] Pipe 1 71 and two ventilation ports 1 72 connect the interior of window 1 and the space behind window 1. Ventilation slot 73 provides space for air flow. Air intake 74 can draw air from the interior space of window 1 and discharge it through pipe 2 75 and ventilation port 2 77. Check valve 76 can prevent air from flowing back into the interior of window 1 through pipe 2 75.
[0037] When placing an item inside the window 1, the electric actuator 61 at the front is activated. The electric actuator 61 pushes the push plate 53 to move to the left. The push plate 53 pushes the two clamps 52 to rotate. The rotation of the two clamps 52 increases the distance between their left ends, thereby disengaging the two clamps 52 from the locking block 51 and releasing the lock on the front safety window 21. Then, the motor 31 at the front is activated. The motor 31 drives the pulley 32 to rotate, which in turn drives the belt 24 to rotate. The belt 24 drives the connecting block 23 to move to the left. The connecting block 23 pushes the fixing block 22 and the safety window 21 to move to the left. At the same time as the safety window 21 moves to the left, the slide rail 1 25 and the positioning block 41 push the fixing block 22 and the slide rail 2 42 forward, respectively, thereby enabling the safety window 21 to slide open. Yes, then the item can be placed inside window 1. At this time, the air in front of window 1 enters the interior of window 1. Start motor 31 to rotate in the reverse direction, causing safety window 21 to move back to its original position and close window 1. Start electric push rod 61 to pull push plate 53 to move to the right and lock safety window 21. Air suction machine 74 starts to suck up the air inside window 1. The air enters the interior of window 1 from the rear side through air exchange port 1 72 and pipe 1 71, then through air exchange slot 73 and pipe 2 75, and finally through air exchange port 2 77. During this process, the air inside window 1 will be replaced by the air in the environment behind window 1, thereby realizing the isolation function of the device. Similarly, the person behind window 1 needs to open window 1 on the rear side according to the above steps to complete the exchange of items, and then close and lock safety window 21.
[0038] Example 2: Please refer to Figure 6 Based on Embodiment 1, this utility model provides another technical solution: a damping rod 26 is provided inside the lower right side of the safety window 21, and a baffle 27 is provided at the left end of the damping rod 26.
[0039] The damping rod 26 can buffer the impact force on the baffle 27. The baffle 27 can abut against the positioning block 41 and apply the impact force to the damping rod 26. The buffering effect of the damping rod 26 can prevent the positioning block 41 from directly impacting the right side of the slide groove 42, reducing the damage to the safety window 21 caused by the impact force.
[0040] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0041] 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.
Claims
1. A pass-through window for clean rooms, comprising a window body (1), characterized in that: The front and back of the window body (1) are slidably connected with safety windows (21), the middle of the window body (1) is provided with a closure (2) for closing the window body (1), the inside of the window body (1) is provided with a locking piece (5) for locking the safety windows (21), the inside of the window body (1) is provided with an air exchange piece (7) for exchanging the air inside the window body (1); The closure (2) comprises a sliding groove one (25) formed in the middle of the front and back of the window body (1), the upper and lower parts of the rear of the safety window (21) are provided with fixed blocks (22), the fixed blocks (22) slide in the inside of the sliding groove one (25), the outer periphery of the upper fixed block (22) is slidably connected with a connecting block (23), one end of the connecting block (23) away from the fixed block (22) is provided with a belt (24), the inside of the window body (1) is provided with a driving piece one (3) for driving the belt (24) to rotate, the middle of the inside of the window body (1) is provided with a guide piece (4) for stabilizing the sliding of the safety window (21).
2. The clean room pass through window of claim 1 wherein: The driving piece one (3) comprises a plurality of evenly distributed belt pulleys (32) rotatably connected to the inside of the upper part of the window body (1), the inside of the upper part of the window body (1) is provided with two evenly distributed motors (31), the driving end of the motor (31) is arranged at the lower part of the left belt pulley (32), and the belt (24) is sleeved on the outer periphery of the two belt pulleys (32).
3. The cleanroom pass-through window of claim 1, wherein: The guide piece (4) comprises positioning blocks (41) arranged on the front and back of the middle of the window body (1), and the upper and lower sides of the safety window (21) are formed with sliding grooves two (42), and the positioning blocks (41) slide in the inside of the sliding grooves two (42).
4. The cleanroom pass-through window of claim 1, wherein: The locking piece (5) comprises a locking block (51) arranged on the right side of the safety window (21), and the inside of the window body (1) is rotatably connected with two clamps (52) on the front and back sides, the left ends of the two clamps (52) abut against the inside of one locking block (51), the right ends of the two clamps (52) are slidably connected with a push plate (53), and the right side of the push plate (53) is provided with a driving piece two (6) for driving the push plate (53) to slide.
5. The clean room pass through window of claim 4 wherein: The driving piece two (6) comprises electric push rods (61) arranged on the front and back sides of the inside of the window body (1), the left end of the electric push rod (61) is arranged on the right side of the push plate (53), the front and back sides of the inside of the window body (1) are formed with sliding grooves three (62), the clamps (52) rotate in the inside of the sliding grooves three (62), and the push plate (53) slides in the inside of the sliding grooves three (62).
6. The cleanroom pass-through window of claim 1, wherein: The ventilation component (7) comprises a pipeline I (71) arranged at the upper part inside the window body (1), the rear end of the pipeline I (71) and the lower end of the pipeline I (71) are both provided with a ventilation opening I (72), the lower part inside the window body (1) is provided with a ventilation groove (73), the lower part inside the window body (1) is provided with an air suction machine (74), the input end of the air suction machine (74) is arranged inside the ventilation groove (73), the output end of the air suction machine (74) is provided with a pipeline II (75), the front end of the pipeline II (75) is provided with a ventilation opening II (77), and the middle part of the pipeline II (75) is provided with a check valve (76).
7. The clean room pass through window of claim 3 wherein: The lower right inside of the safety window (21) is provided with a damping rod (26), and the left end of the damping rod (26) is provided with a baffle (27).