Protective door of safety vacuum cabinet

The automatic opening and closing of the vacuum chamber's protective door is achieved through a worm gear mechanism driven by a motor, which solves the problem of vacuum state disruption caused by human error, ensuring experimental accuracy and improving safety.

CN223567889UActive Publication Date: 2025-11-18SUZHOU YILIU ELECTRONICS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423077427.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-11-18
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

The existing vacuum cabinet protective door is prone to operational errors during manual operation, which can lead to the disruption of the vacuum state and affect the accuracy of the experiment.

Method used

The worm gear mechanism driven by an electric motor drives the worm wheel, support column, gear and connecting rod and other components to realize the automatic opening and closing of the protective door and ensure the airtightness of the vacuum cabinet.

Benefits of technology

The system enables automatic closing of the protective door, maintains a vacuum state, ensures experimental accuracy, and enhances operational safety through its support structure.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223567889U_ABST
    Figure CN223567889U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of protection of protective doors, and discloses a safety vacuum cabinet protective door which comprises a shell, a motor is fixedly connected to the inner wall of the shell, a worm is fixedly connected to the output end of the motor, a worm gear is connected to the outer wall of the worm in a meshed mode, and a supporting column is fixedly connected to the inner wall of the worm gear. A gear is fixedly connected to the outer wall of the supporting column, a first connecting rod is rotatably connected to the outer wall of the gear, a rotating shaft is rotatably connected to the inner wall of the first connecting rod, a short rod is rotatably connected to the outer wall of the rotating shaft, a rotating column is fixedly connected to the inner wall of the short rod, and a rotating rod is fixedly connected to the outer wall of the rotating column. The motor rotates to drive the worm to push the worm gear and the gear to rotate to drive the first connecting rod to move, the first connecting rod moves to drive the rotating shaft to push the short rod to move, the short rod moves to drive the rotating column to rotate, and the effects that the vacuum cabinet protective door is automatically opened and closed, the vacuum cabinet protective door is tightly closed, and the vacuum state of the vacuum cabinet is guaranteed are achieved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of protective door protection, especially to safety vacuum cabinet protective door. BACKGROUND

[0002] The vacuum cabinet protective door is a crucial component of the vacuum cabinet, which is usually made of special sealing materials and designed to be tightly closed to effectively prevent air from entering the interior of the vacuum cabinet, thereby maintaining the vacuum environment in the cabinet. The protective door is relatively solid in structure and can withstand a certain pressure difference, ensuring the stability and safety of the entire system during vacuum operation.

[0003] The vacuum cabinet protective door is used to maintain the vacuum environment and prevent air leakage. It separates the interior and exterior of the vacuum cabinet through high-quality sealing materials and precise sealing structures. If the protective door has poor sealing, air will quickly enter, which will destroy the vacuum state and affect the related operations such as experiments and storage in the vacuum cabinet, possibly causing the deterioration of substances sensitive to the vacuum environment and experimental data deviation. Therefore, the vacuum cabinet protective door is indispensable.

[0004] Most of the protective doors of vacuum cabinets on the market are opened by operating personnel. During the opening process, manual operation may result in operational errors or poor control of force, leading to the protective door of the vacuum cabinet not closing tightly, destroying the vacuum state, and affecting the accuracy of experiments. UTILITY MODEL CONTENT

[0005] To address the above shortcomings, the utility model provides a safety vacuum cabinet protective door to solve the problem of operational errors or poor control of force due to manual operation, leading to the protective door of the vacuum cabinet not closing tightly, destroying the vacuum state, and affecting the accuracy of experiments.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] The safety vacuum cabinet protective door comprises an outer shell, a motor fixedly connected to the inner wall of the outer shell, a worm fixedly connected to the output end of the motor, a worm gear meshingly connected to the outer wall of the worm, a support fixedly connected to the inner wall of the worm gear, a gear fixedly connected to the outer wall of the support, a first connecting rod rotatably connected to the outer wall of the gear, a rotating shaft rotatably connected to the inner wall of the first connecting rod, a short rod rotatably connected to the outer wall of the rotating shaft, a rotating column fixedly connected to the inner wall of the short rod, a rotating rod fixedly connected to the outer wall of the rotating column, a cabinet door rotatably connected to the inner wall of the rotating rod, a second connecting rod rotatably connected to the outer wall of the cabinet door, a connecting column rotatably connected to the inner wall of the second connecting rod, and a sealing assembly provided on the outer wall of the cabinet door.

[0008] Preferably, the sealing assembly comprises a baffle, the outer wall of the baffle is arranged on the outer wall of the cabinet door, and the lower surface of the baffle is fixedly connected with a fixed block.

[0009] Preferably, the outer wall of the support column is rotationally connected to the inner wall of the shell, the outer wall of the rotating column is rotationally connected to the inner wall of the shell, and the cabinet door is arranged on the outer wall of the shell.

[0010] Preferably, the lower surface of the shell is fixedly connected with a support leg, the outer wall of the support leg is fixedly connected with a hinge, and the lower surface of the hinge is fixedly connected with a first support block.

[0011] Preferably, the outer wall of the first support block is fixedly connected with a first support column, and the outer wall of the first support column is provided with a spring.

[0012] Preferably, the outer wall of the spring is provided with a movable block, and the inner wall of the movable block is rotationally connected with a second support column.

[0013] Preferably, the outer wall of the second support column is fixedly connected to the outer wall of the first support block, and the outer wall of the movable block is provided with a fixed column.

[0014] Preferably, the outer wall of the fixed column is fixedly connected with a second support block, the upper surface of the second support block is fixedly connected to the lower surface of the hinge, and the lower surface of the second support block is fixedly connected with a roller.

[0015] The utility model has the advantages of the following beneficial effects:

[0016] 1. In the utility model, the motor rotation drives the worm to push the worm wheel, the worm wheel rotation pushes the support column to drive the gear rotation, the gear rotation drives the first connecting rod to move, the first connecting rod movement drives the shaft to push the short rod to move, the short rod movement drives the rotating column to rotate, the rotating column rotation drives the rotating rod to move, the rotating rod movement pushes the cabinet door to drive the second connecting rod to move, so that the automatic opening and closing of the vacuum cabinet protection door is realized, the vacuum state of the vacuum cabinet is ensured, and the experimental accuracy is ensured.

[0017] 2. In the utility model, the first support block movement drives the movable block to move, the movable block rotates after reaching the fixed column, the movable block rotates to compress the spring, the spring resets to push the movable block after passing through the fixed column, the first support block movement pushes the second support block to drive the roller to move, so that the safety of the vacuum cabinet is improved, and the work safety is ensured. ACCURACY

[0018] Figure 1 The utility model provides a three -dimensional view of safety vacuum cabinet protection door;

[0019] Figure 2This is a partial structural diagram of the outer shell of the protective door of the safety vacuum cabinet proposed in this utility model;

[0020] Figure 3 This is a partial structural diagram of the hinge of the protective door of the safety vacuum cabinet proposed in this utility model.

[0021] Legend:

[0022] 1. Outer shell; 2. Motor; 3. Worm gear; 4. Worm wheel; 5. Support column; 6. Gear; 7. First connecting rod; 8. Rotating shaft; 9. Short rod; 10. Rotating rod; 11. Cabinet door; 12. Second connecting rod; 13. Connecting column; 14. Baffle; 15. Fixing block; 16. Support leg; 17. Hinge; 18. First support block; 19. First support column; 20. Spring; 21. Movable block; 22. Second support column; 23. Fixing column; 24. Second support block; 25. Roller; 26. Rotating column. Detailed Implementation

[0023] The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0024] Reference Figure 1 and Figure 2 This utility model provides an embodiment of a safety vacuum cabinet protective door, comprising an outer shell 1, a motor 2 fixedly connected to the inner wall of the outer shell 1, a worm gear 3 fixedly connected to the output end of the motor 2, a worm wheel 4 meshing with the outer wall of the worm gear 3, a support column 5 fixedly connected to the inner wall of the worm wheel 4, a gear 6 fixedly connected to the outer wall of the support column 5, a first connecting rod 7 rotatably connected to the outer wall of the gear 6, a rotating shaft 8 rotatably connected to the inner wall of the first connecting rod 7, a short rod 9 rotatably connected to the outer wall of the rotating shaft 8, and a rotating column 2 fixedly connected to the inner wall of the short rod 9. 6. A rotating rod 10 is fixedly connected to the outer wall of the rotating column 26. A cabinet door 11 is rotatably connected to the inner wall of the rotating rod 10. A second connecting rod 12 is rotatably connected to the outer wall of the cabinet door 11. A connecting column 13 is rotatably connected to the inner wall of the second connecting rod 12. The outer wall of the connecting column 13 is fixedly connected to the inner wall of the outer shell 1. A sealing assembly is provided on the outer wall of the cabinet door 11. The sealing assembly is used to seal the protective door. The sealing assembly includes a baffle 14. The outer wall of the baffle 14 is provided on the outer wall of the cabinet door 11. A fixing block 15 is fixedly connected to the lower surface of the baffle 14.

[0025] Specifically, the motor 2 on the inner wall of the shell 1 is opened, the motor 2 starts to rotate to drive the worm 3 to rotate, the worm 3 drives the worm gear 4 to rotate, the worm gear 4 drives the support column 5 to rotate, the support column 5 drives the gear 6 to rotate and drives the first connecting rod 7 to move, the first connecting rod 7 drives the rotating shaft 8 to move, the rotating shaft 8 drives the short rod 9 to rotate, the short rod 9 drives the rotating column 26 to rotate and drives the rotating rod 10 to move, the rotating rod 10 drives the cabinet door 11 to pull the second connecting rod 12 to rotate in the connecting column 13, and the cabinet door 11 moves together with the baffle 14 supported by the fixed block 15, thereby achieving the effect of automatically opening and closing the protective door of the vacuum cabinet to ensure the vacuum state of the vacuum cabinet and the accuracy of the experiment.

[0026] With reference to Figure 1 and Figure 3 , the outer wall of the support column 5 is rotatably connected to the inner wall of the shell 1, the outer wall of the rotating column 26 is rotatably connected to the inner wall of the shell 1, the cabinet door 11 is arranged on the outer wall of the shell 1, the lower surface of the shell 1 is fixedly connected with the supporting leg 16, the outer wall of the supporting leg 16 is fixedly connected with the hinge 17, the lower surface of the hinge 17 is fixedly connected with the first supporting block 18, the outer wall of the first supporting block 18 is fixedly connected with the first supporting column 19, and the outer wall of the first supporting column 19 is provided with the spring 20.

[0027] Specifically, the support column 5 and the rotating column 26 rotate in the inner wall of the shell 1, the cabinet door 11 slides on the outer wall of the shell 1, the supporting leg 16 is fixedly connected below the shell 1, then the first supporting block 18 is moved, and the first supporting block 18 moves together with the first supporting column 19 and the spring 20.

[0028] With reference to Figure 3 , the outer wall of the spring 20 is provided with the movable block 21, the inner wall of the movable block 21 is rotatably connected with the second supporting column 22, the outer wall of the second supporting column 22 is fixedly connected to the outer wall of the first supporting block 18, the outer wall of the movable block 21 is provided with the fixed column 23, the outer wall of the fixed column 23 is fixedly connected with the second supporting block 24, the upper surface of the second supporting block 24 is fixedly connected to the lower surface of the hinge 17, and the lower surface of the second supporting block 24 is fixedly connected with the roller 25.

[0029] Specifically, the movable block 21 starts to rotate in the second supporting column 22 after reaching the fixed column 23 to compress the spring 20, the spring 20 starts to rebound to drive the movable block 21 to rotate after the movable block 21 passes through the fixed column 23, so that the fixed column 23 limits the position of the movable block 21, and the movable block 21 drives the second supporting block 24 and the roller 25 to move in the moving process, thereby achieving the effects of quickly supporting or moving the vacuum cabinet, improving the safety, and ensuring the work safety in the using process.

[0030] Working principle: when the protective door needs to be used, the first supporting block 18 supported by the supporting leg 16 and the hinge 17 is moved, the first supporting block 18 moves the movable block 21, the movable block 21 rotates in the second supporting column 22 after reaching the fixed column 23 in the moving process, the second supporting column 22 rotates to compress the spring 20 supported by the first supporting column 19, the spring 20 resets after passing through the fixed column 23, the movable block 21 is limited by the fixed column 23, and the effect of quickly lowering the lifting wheel to move the vacuum cabinet and the protective door is achieved in the use process, the fixed column 23 moves to drive the second supporting block 24 to move, the second supporting block 24 moves to drive the roller 25 to move, the effect of quickly supporting or moving the vacuum cabinet to improve safety and ensure work safety is achieved in the use process, after the position of the vacuum cabinet and the protective door is moved and fixed, the power is turned on to start the motor 2 supported by the shell 1, the motor 2 rotates to drive the worm 3 to rotate, the worm 3 rotates to drive the worm wheel 4 to rotate, the worm wheel 4 rotates to drive the support column 5 to rotate, the support column 5 rotates to drive the gear 6 to rotate, the gear 6 rotates to drive the first connecting rod 7 to move, the first connecting rod 7 moves to drive the rotating shaft 8 to move, the rotating shaft 8 moves to drive the short rod 9 to move, the short rod 9 moves to drive the rotating column 26 to move, the rotating column 26 moves to drive the rotating rod 10 to move, the rotating rod 10 moves to drive the cabinet door 11 to move, the effect of controlling the moving speed of the protective door is achieved in the use process, the cabinet door 11 moves to drive the baffle 14 and the fixed block 15 to move, the baffle 14 and the fixed block 15 move to improve the sealing performance of the protective door in the use process, the cabinet door 11 moves to drive the second connecting rod 12 to rotate in the connecting column 13, the effect of automatically opening and closing the protective door of the vacuum cabinet to tightly close the protective door of the vacuum cabinet to ensure the vacuum state of the vacuum cabinet and ensure the accuracy of the experiment is achieved in the use process, the device not only has the effects of automatically opening and closing the protective door of the vacuum cabinet to tightly close the protective door of the vacuum cabinet to ensure the vacuum state of the vacuum cabinet and ensure the accuracy of the experiment, but also has the effects of quickly supporting or moving the vacuum cabinet to improve safety and ensure work safety.

[0031] Finally, it should be noted that: the above only for preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A safety vacuum cabinet protective door, comprising an outer shell (1), characterized in that: A motor (2) is fixedly connected to the inner wall of the outer casing (1). A worm gear (3) is fixedly connected to the output end of the motor (2). A worm wheel (4) is meshed with the outer wall of the worm gear (3). A support column (5) is fixedly connected to the inner wall of the worm wheel (4). A gear (6) is fixedly connected to the outer wall of the support column (5). A first connecting rod (7) is rotatably connected to the outer wall of the gear (6). A rotating shaft (8) is rotatably connected to the inner wall of the first connecting rod (7). A short rod (9) is rotatably connected to the outer wall of the rotating shaft (8). A rotating column (26) is fixedly connected to the inner wall of the rod (9), and a rotating rod (10) is fixedly connected to the outer wall of the rotating column (26). A cabinet door (11) is rotatably connected to the inner wall of the rotating rod (10), and a second connecting rod (12) is rotatably connected to the outer wall of the cabinet door (11). A connecting column (13) is rotatably connected to the inner wall of the second connecting rod (12), and the outer wall of the connecting column (13) is fixedly connected to the inner wall of the outer shell (1). A sealing component is provided on the outer wall of the cabinet door (11), and the sealing component is used to seal the protective door.

2. The protective door of the safety vacuum cabinet according to claim 1, characterized in that: The sealing assembly includes a baffle (14), the outer wall of which is disposed on the outer wall of the cabinet door (11), and a fixing block (15) is fixedly connected to the lower surface of the baffle (14).

3. The protective door of the safety vacuum cabinet according to claim 1, characterized in that: The outer wall of the support column (5) is rotatably connected to the inner wall of the outer shell (1), the outer wall of the rotating column (26) is rotatably connected to the inner wall of the outer shell (1), and the cabinet door (11) is located on the outer wall of the outer shell (1).

4. The protective door of the safety vacuum cabinet according to claim 1, characterized in that: A support leg (16) is fixedly connected to the lower surface of the outer shell (1), a hinge (17) is fixedly connected to the outer wall of the support leg (16), and a first support block (18) is fixedly connected to the lower surface of the hinge (17).

5. The protective door of the safety vacuum cabinet according to claim 4, characterized in that: The outer wall of the first support block (18) is fixedly connected to a first support column (19), and the outer wall of the first support column (19) is provided with a spring (20).

6. The protective door of the safety vacuum cabinet according to claim 5, characterized in that: The outer wall of the spring (20) is provided with a movable block (21), and the inner wall of the movable block (21) is rotatably connected to a second support column (22).

7. The protective door of the safety vacuum cabinet according to claim 6, characterized in that: The outer wall of the second support column (22) is fixedly connected to the outer wall of the first support block (18), and the outer wall of the movable block (21) is provided with a fixed column (23).

8. The protective door of the safety vacuum cabinet according to claim 7, characterized in that: The outer wall of the fixed column (23) is fixedly connected to a second support block (24), the upper surface of the second support block (24) is fixedly connected to the lower surface of the hinge (17), and a roller (25) is fixedly connected to the lower surface of the second support block (24).