Automatic opening and closing structure of box door of test box

By introducing a drive unit and a door-locking rotary cylinder in the test chamber, combined with the feedback from the limit switch, the automatic opening and closing of the test chamber door is achieved, solving the problems of cumbersome operation and safety risks in the existing technology, and improving sealing and safety.

CN224093227UActive Publication Date: 2026-04-07CHONGQING UMA TEST INSTR CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-18
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

The existing test chamber door opening and closing methods are cumbersome and have a low degree of automation, posing safety risks.

Method used

The system uses a drive unit connected to the door, combined with a door-locking rotary cylinder and door lock seat to achieve automatic opening and closing of the door. The status is fed back through limit switches and sensor baffles to ensure sealing and stability.

Benefits of technology

The test chamber door has been automated, simplifying the operation process, improving safety, avoiding the risks of manual operation, and enhancing the sealing effect.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224093227U_ABST
Patent Text Reader

Abstract

The utility model discloses an automatic opening and closing structure of a box door of a test box, which comprises a box body and a box door hinged on the box body, a driving piece is arranged at the top of the box body, the end part of the driving piece is connected with the box door to open and close the box door, and a door locking rotating cylinder is arranged on the box body and is matched with a door lock seat arranged on the box door to lock the box door. According to the utility model, the top of the box body is provided with the driving part which is connected with the top of the box door, the box door is driven by the driving part to be automatically opened and closed, and the box door is locked after being closed through the door locking rotary cylinder and the door lock seat, so that the box door of the test box can be automatically opened and closed, the door opening and closing steps of workers are simplified, and the working efficiency is improved. And the problem of safety risk caused by manual door opening and closing is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to environmental test chamber technical field, concretely relates to a test chamber door automatic switch structure. BACKGROUND

[0002] The environmental simulation test chamber can be used for testing the running state of products under different environments, such as temperature test chamber, for testing the stability of products under different temperature changes. Since the test chamber is used for testing the high-temperature resistance and low-temperature resistance of products under superhigh temperature or superlow temperature, the sealing, heat insulation and strength of the test chamber are required extremely high, the test chamber body and door are made of special materials, and the thickness is relatively thick. A plurality of door locks are used to lock the door and the body, and the existing equipment adopts the manual door opening and closing mode when taking and placing products, and the automation degree is low, therefore, the manual opening and closing mode is relatively complicated, and there is a certain risk due to the high or low temperature in the test chamber. SUMMARY

[0003] In view of the above problems in the prior art, the utility model aims at providing a test chamber door automatic switch structure, which solves the problems of complicated manual door opening and closing mode, low automation degree and safety risk in the prior art.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] A test chamber door automatic switch structure, comprising a body and a door hinged to the body, wherein the top of the body is provided with a driving member, the end of the driving member is connected with the door to open and close the door, and a door locking rotary cylinder is arranged on the body and matched with a door lock seat arranged on the door to lock the door.

[0006] The above structure design is adopted, the driving member is arranged on the body and connected with the door, the automatic opening and closing of the door can be realized, the door is locked through the door locking rotary cylinder and the door lock seat, and the automatic opening and closing of the door of the test chamber is realized.

[0007] As a further improvement, the top of the body is further provided with a travel switch, and the top of the door is provided with a sensing baffle corresponding to the travel switch.

[0008] As a further improvement, the travel switch and the sensing baffle are two groups, and are arranged at two ends of the top of the body and the door respectively.

[0009] The above structure design is adopted, two groups of travel switches and sensing baffles are arranged to feed back the opening and closing state of the door.

[0010] As a further improvement, the driving member is a cylinder, and one end of the cylinder is hinged to the top of the box body, and the other end of the cylinder is hinged to a fixed plate arranged at the top of the box door.

[0011] With the above structure design, both ends of the cylinder are rotatably connected, thereby realizing the smoothness of the box door when the box door is opened and closed.

[0012] As a further improvement, the door locking rotary cylinder and the door lock seat are two groups, and are arranged at the upper and lower ends of the side surfaces of the box body and the box door.

[0013] With the above structure design, the stability of the locking of the box door can be ensured, and the sealing performance of the contact position of the box door and the box body can be improved.

[0014] As a further improvement, the door locking rotary cylinder is fixedly arranged on the side surface of the box body through a mounting seat, and a locking block is arranged on the door locking rotary cylinder, and the locking block is driven by the door locking rotary cylinder and clamped and fixed on the door lock seat.

[0015] With the above structure design, the rotation of the locking block is driven by the rotation of the door locking rotary cylinder, thereby realizing the clamping and fixing or disengaging between the locking block and the door lock seat, and the structure design is ingenious and can automatically lock the box door.

[0016] As a further improvement, the door locking rotary cylinder and the door lock seat are provided with a protective shell, and a switch button is arranged at the adjacent position of the door locking rotary cylinder, and the switch button protrudes out of the protective shell.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] 1. The utility model discloses a driving member is arranged on the top of the box body and is connected with the top of the box door, and the box door is automatically opened and closed through the driving member, and the locking of the box door after being closed is realized through the door locking rotary cylinder and the door lock seat, so that the utility model can realize the automatic opening and closing of the box door of the test box, simplifies the opening and closing steps of the work personnel, and avoids the safety risk caused by manual opening and closing.

[0019] 2. The utility model discloses two groups of travel switches are arranged on the top of the box body, and the corresponding induction baffle is arranged on the top of the box door, so that the opening and closing states of the box door can be fed back through the two groups of travel switches when the box door is opened and closed. DRAWINGS

[0020] Figure 1 It is a structural schematic view of the utility model;

[0021] Figure 2 It is Figure 1 An enlarged view of A in figure 1;

[0022] Figure 3is Figure 1 Structure schematic diagram of the device after removing the protective shell;

[0023] Figure 4 is Figure 3 Enlarged view of B in the device;

[0024] Figure 5 Structure schematic diagram of the device from another angle.

[0025] In the figure:

[0026] Box 1, door 2, fixed plate 2a, observation window 2b, driving part 3, door locking rotary cylinder 4, mounting seat 4a, locking block 4b, door lock seat 5, travel switch 6, induction baffle 7, protective shell 8, notch 8a, switch button 9, loose leaf 10, sealing element 11. DETAILED DESCRIPTION

[0027] In order to describe the technical content, structural features, purposes and effects of the device, the following will be described in detail in combination with the embodiments and the accompanying drawings.

[0028] The technical solutions of the device will be described clearly and completely in combination with the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the device, not all the embodiments. Based on the embodiments in the device, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the device. In the description of the device, it should be noted that the directions or position relationships of the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are based on the directions or position relationships shown in the drawings, and are only for the convenience of describing the device and simplifying the description, and cannot be understood as indicating or implying that the devices or elements must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the device.

[0029] Please refer to Figures 1 to 5The utility model relates to a kind of test box door automatic opening and closing structure, including box 1 and hinged on box 1 box door 2, specifically adopt multiple hinge 10 hinged, according to the installation quantity of hinge 10 is selected according to the size of test box.Sealing element 11 is equipped in the connecting position of box 1 and box door 2, sealing element 11 is made of high-temperature resistant and low-temperature resistant material, such as silicone rubber material.Box door 1 is also provided with observation window 2b, for observing the inside working condition of box 1.The top of box 1 is equipped with driving element 3, and the end of driving element 3 is connected with box door 2, and box door 2 is opened and closed, and locking door rotary cylinder 4 is equipped on the box 1 and cooperates with the lock seat 5 provided on the box door 2 to lock the box door 2.The utility model connects box 1 and box door 2 by driving element 3, and then the automatic opening and closing of box door 2 is realized, and the locking of box door 2 is completed by locking door rotary cylinder 4 and lock seat 5 cooperation.

[0030] Please continue to see Figure 1 And Figure 2 The top of box 1 is also provided with travel switch 6, and the top of box door 2 is provided with sensing baffle 7 corresponding to travel switch 6.Travel switch 6 is purchased externally, and it is in elastic contact with sensing baffle 7 to feed back the opening and closing state of box door 2, and the technical principle belongs to the prior art in the field, which will not be described here.The sensing baffle 7 is of "L" type structure, one end is fixedly connected with the top of box door 2, and the other end is as sensing surface and is in contact with travel switch 6.

[0031] In the embodiment, travel switch 6 and sensing baffle 7 are two groups, and are respectively arranged at left and right ends of the top of box 1 and box door 2.

[0032] Driving element 3 is a cylinder, one end of the cylinder is hinged to the top of box 1, and the other end of the cylinder is hinged to the fixed plate 2a provided on the top of box door 2, and the fixed plate 2a is also of "L" type structure, one end is fixed to the top of box door 2, and the other end is hinged to the cylinder.

[0033] Please see Figure 3 And Figure 4 In the embodiment, locking door rotary cylinder 4 and lock seat 5 are two groups, and are respectively arranged at upper and lower ends of the side of box 1 and box door 2, so that the force balance of box door 2 in the locked state can be ensured, and the sealing effect between box 1 and box door 2 can be ensured.

[0034] Among them, locking door rotary cylinder 4 is fixedly installed on the side of box 1 through mounting seat 4a, and locking block 4b is provided on locking door rotary cylinder 4, and lock seat 5 is of "L" type structure, and locking block 4b is driven by locking door rotary cylinder 4 and clamped and fixed on lock seat 5.

[0035] The lock door rotating air cylinder 4 and the outside of the door lock seat 5 are provided with a protective shell 8, the protective shell 8 is fixed on the box body 1, and the protective shell 8 is provided with a notch 8a corresponding to the door lock seat 5, and the notch 8a can avoid the door lock seat 5 when the box door 2 is opened and closed. The adjacent position of the lock door rotating air cylinder 4 is provided with a switch button 9, and the switch button 9 protrudes out of the protective shell 8.

[0036] The test box in the utility model is internally provided with a controller, the controller adopts a PLC control system, the PLC control system is prior art, and therefore the principle thereof will not be repeated. The driving part 3, the lock door rotating air cylinder 4 and the travel switch 6 are connected to the control circuit and the control gas path of the control system, and the working thereof is controlled, and the travel switch 6 provides a travel signal of opening and closing the door to the controller. The switch button 9 comprises an emergency stop switch, an opening door button and a closing door button.

[0037] The working principle of the utility model is as follows:

[0038] When opening the door, the opening door button is pressed, the controller gives a signal, the lock door rotating air cylinder 4 rotates to make the locking block 4b separate from the door lock seat 5, and the box door 2 is pushed open by the driving part 3. When closing the door, the closing door button is pressed, the controller gives a signal, the driving part 3 is retracted, the box door 2 is automatically closed, and then the lock door rotating air cylinder 4 rotates to make the locking block 4b be locked on the door lock seat 5, and the closing action is completed.

[0039] According to the disclosure and teaching of the above description, the person skilled in the art of the utility model can also change and modify the above-mentioned embodiments. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes of the utility model should also fall within the protection scope of the claims of the utility model. In addition, although some specific terms are used in the specification, these terms are only for convenience of description and do not constitute any limitation on the utility model.

Claims

1. An automatic door opening and closing structure for a test chamber, comprising a chamber body (1) and a door (2) hinged to the chamber body (1), characterized in that, The top of the box body (1) is provided with a driving component (3), the end of which is connected to the box door (2) to open and close the box door (2). The box body (1) is provided with a door-locking rotary cylinder (4) which cooperates with the door lock seat (5) provided on the box door (2) to lock the box door (2).

2. The automatic opening and closing structure for a test chamber door as described in claim 1, characterized in that, The top of the box (1) is also provided with a limit switch (6), and the top of the box door (2) is provided with a sensor baffle (7) corresponding to the limit switch (6).

3. The automatic opening and closing structure for a test chamber door as described in claim 2, characterized in that, The limit switch (6) and the sensing baffle (7) are two sets, respectively located at the top ends of the box body (1) and the box door (2).

4. The automatic opening and closing structure for a test chamber door as described in claim 1, characterized in that, The driving component (3) is a cylinder, and one end of the cylinder is hinged to the top of the box body (1), while the other end of the cylinder is hinged to the fixing plate (2a) provided on the top of the box door (2).

5. The automatic opening and closing structure for a test chamber door as described in claim 1, characterized in that, The door-locking rotary cylinder (4) and the door lock seat (5) are two sets, respectively located at the upper and lower ends of the sides of the box body (1) and the box door (2).

6. The automatic opening and closing structure for a test chamber door as described in claim 1 or 5, characterized in that, The door-locking rotary cylinder (4) is fixedly installed on the side of the housing (1) by the mounting base (4a), and a locking block (4b) is provided on the door-locking rotary cylinder (4). The locking block (4b) is driven by the door-locking rotary cylinder (4) and locked and fixed on the door lock seat (5).

7. The automatic opening and closing structure for a test chamber door as described in claim 1, characterized in that, The door locking rotary cylinder (4) and the door lock seat (5) are provided with a protective shell (8). A switch button (9) is provided at an adjacent position of the door locking rotary cylinder (4), and the switch button (9) protrudes out of the protective shell (8).