A kind of upturn transmission device for large size shelter door

Through the combined design of components such as support frame, motor, transmission block, electric telescopic rod and gear, it provides two modes of operation: motor drive and manual operation, which solves the problem of the cabin door not working properly due to motor failure and realizes stable and efficient cabin door rotation.

CN224532514UActive Publication Date: 2026-07-21SICHUAN GUOWEIFU MACHINERY EQUIPMENT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SICHUAN GUOWEIFU MACHINERY EQUIPMENT CO LTD
Filing Date
2025-09-01
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

The existing upward-opening transmission device for large-sized modular doors cannot function properly when the motor fails, has a single function, and cannot achieve stable opening and closing of the modular door.

Method used

The modular door is designed with a combination of components such as a support frame, motor, transmission block, electric telescopic rod, gears and rubber sleeve. It can be rotated by both motor drive and manual operation, ensuring normal operation even in the event of motor failure.

Benefits of technology

This achieved stable rotation of the cabin door, avoiding operational inoperability issues caused by motor failure, and improving the reliability and operational efficiency of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of upturning transmission devices for large-size square cabin door, including support frame and the electricity receiving box being arranged below support frame, the upper end lateral wall of the support frame is fixed with control box, the upper end of the support frame is horizontally provided with support plate, the upper end lateral wall of the support plate is equipped with motor, the output of the motor is equipped with transmission block, the lateral wall of the transmission block is matched and equipped with electric telescopic rod, the end of the transmission block is equipped with first gear, the second gear is engaged below the first gear, the shaft center of the second gear is equipped with transmission rod, the shaft center of the first gear is equipped with connecting rod, the lateral wall of the connecting rod is equipped with rotating assembly. The utility model relates to square cabin door turnover technical field;The upturning transmission device for large-size square cabin door, two electric push rods are used to push upturning door upwardly and close, electric push rod can be driven by motor, and also can be rotated and driven by intermediate manual transmission shaft.
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Description

Technical Field

[0001] This utility model relates to the field of container door flipping technology, specifically a flipping transmission device for large-size container doors. Background Technology

[0002] Large modular cabins require wide doors to meet the needs of equipment entry and exit, personnel passage, or ventilation (such as stretcher passages and equipment installation ports in medical modular cabins). Traditional manual or swing-open cabin doors take up a lot of space and are laborious to operate, while the upward-opening design can save space and improve efficiency. The upward-opening transmission device for large-size modular doors is a mechanical transmission system used in large modular bodies (such as medical modular bodies, military modular bodies, emergency rescue modular bodies, mobile laboratories, etc.), mainly used to achieve rapid and stable opening and closing of the doors.

[0003] Existing upward-tilting transmission devices for large-sized modular doors often rely solely on motors for control. When the motor fails and needs repair, the modular door cannot be opened or closed, resulting in limited functionality.

[0004] Therefore, this utility model provides an upward-opening transmission device for large-size modular doors to solve the above-mentioned problems. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides an upward-opening transmission device for large-size modular doors, thus solving the aforementioned problems.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an upward-opening transmission device for a large-size modular door, comprising a support frame and an electrical junction box disposed below the support frame. A control box is fixed to the upper side wall of the support frame. A support plate is horizontally disposed at the upper end of the support frame. A motor is disposed at the upper side wall of the support plate. A transmission block is disposed at the output end of the motor. An electric telescopic rod is matched to the side wall of the transmission block. A first gear is disposed at the end of the transmission block. A second gear meshes with the lower part of the first gear. A transmission rod is disposed at the axis of the second gear. A connecting rod is disposed at the axis of the first gear. A rotating component is disposed at the side wall of the connecting rod.

[0007] Preferably, the rotating assembly includes a rubber sleeve fitted onto the side wall of the connecting rod, a plurality of sliding blocks are uniformly fixed on the inner side wall of the rubber sleeve, a matching sliding groove is provided on the side wall of the connecting rod, and the sliding blocks are slidably disposed in the sliding groove.

[0008] Preferably, the lower end of the electric telescopic rod is movably disposed at the side wall of the support frame.

[0009] Preferably, the support frame and the support plate are integrally formed, and a connecting seat is fixedly provided between the support plate and the motor.

[0010] Preferably, the second gear and the transmission rod are fixedly connected, and the first gear and the connecting rod are fixedly connected.

[0011] Preferably, the rubber sleeve is made of natural rubber, and the surface of the rubber sleeve is configured as a friction pad.

[0012] This invention provides an upward-opening transmission device for large-size modular doors. Compared with the prior art, it has the following advantages: (1) The upward-flipping transmission device for large-size cabin doors slides in the hexagonal groove on the side wall of the transmission block through the lower end of the electric telescopic rod. The end of the transmission block drives the second gear to rotate through the first gear. When the second gear rotates, it drives the transmission rod to rotate, further ensuring that the electric telescopic rods on both sides rotate synchronously, making the flipping of the cabin door more stable.

[0013] (2) The upward-flipping transmission device for large-size cabin doors can drive the connecting rod to rotate synchronously through the snap-fit ​​of the sliding block and the sliding groove. When the connecting rod rotates, it can drive the transmission block and the first gear to rotate together, thereby realizing the rotation of the electric telescopic rod and the flipping of the cabin door. It is efficient and can prevent the cabin door from failing to rotate due to motor failure. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of an upward-opening transmission device for a large-size modular door proposed in this utility model. Figure 2 This is a cross-sectional structural diagram of the connecting rod and rubber sleeve proposed in this utility model; Figure 3 This is a cross-sectional structural diagram of the connecting rod and rubber sleeve from another angle, as proposed in this utility model.

[0015] In the diagram: 1. Support frame; 2. Electrical junction box; 3. Control box; 4. Support plate; 5. Motor; 6. Transmission block; 7. Electric telescopic rod; 8. First gear; 9. Second gear; 10. Transmission rod; 11. Connecting rod; 12. Rubber sleeve; 13. Sliding block; 14. Sliding groove. Detailed Implementation

[0016] 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.

[0017] A lifting transmission device for a large-size modular door includes a support frame 1 and an electrical junction box 2 located below the support frame 1. A control box 3 is fixed to the upper side wall of the support frame 1. A support plate 4 is horizontally arranged at the upper end of the support frame 1. A motor 5 is arranged at the upper side wall of the support plate 4. A transmission block 6 is arranged at the output end of the motor 5. An electric telescopic rod 7 is matched to the side wall of the transmission block 6. A first gear 8 is arranged at the end of the transmission block 6. A second gear 9 meshes below the first gear 8. A transmission rod 10 is arranged at the axis of the second gear 9. A connecting rod 11 is arranged at the axis of the first gear 8. A rotating component is arranged on the side wall of the connecting rod 11. The second gear 9 and the transmission rod 10 are fixedly connected, and the first gear 8 and the connecting rod 11 are fixedly connected.

[0018] In an optional embodiment: the rotating assembly includes a rubber sleeve 12 fitted on the side wall of the connecting rod 11, a plurality of sliding blocks 13 are uniformly fixed on the inner side wall of the rubber sleeve 12, and a matching sliding groove 14 is provided on the side wall of the connecting rod 11, and the sliding blocks 13 are slidably disposed in the sliding groove 14.

[0019] It should be noted that the connecting rod 11 can be driven to rotate synchronously by the engagement of the sliding block 13 and the sliding groove 14. When the connecting rod 11 rotates, it can drive the transmission block 6 and the first gear 8 to rotate together, thereby realizing the rotation of the electric telescopic rod 7 and the flipping of the cabin door.

[0020] In an optional embodiment, the lower end of the electric telescopic rod 7 is movably disposed at the side wall of the support frame 1.

[0021] It should be noted that the lower end of the electric telescopic rod 7 is supported, making its rotation and extension more stable.

[0022] In an optional embodiment: the support frame 1 and the support plate 4 are integrally formed, and a connecting seat is fixedly provided between the support plate 4 and the motor 5.

[0023] It should be noted that motor 5 is effectively supported.

[0024] In an optional embodiment: the rubber sleeve 12 is made of natural rubber, and the surface of the rubber sleeve 12 is set as a friction pad.

[0025] It should be noted that at this time, by gripping the two ends and the middle part of the rubber sleeve 12 together, and then rotating it, the electric telescopic rod 7 can be rotated and the cabin door can be flipped. This is efficient and can prevent the cabin door from being unable to rotate due to motor failure. The friction between the hand and the rubber sleeve 12 is large, so as to ensure the rotation of the connecting rod 11.

[0026] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0027] When in use, the device consists of two devices on the left and right working together. First, the electric telescopic rods 7 on both sides are connected to the rear wall of the cabin door through a pivot. When it is necessary to flip the cabin door upward, the flipping of the cabin door can be controlled by switching between two methods. The first method involves controlling the motor 5 to drive the rotation of the transmission block 6. The lower end of the electric telescopic rod 7 and the transmission block 6 are connected by a hexagonal locking mechanism, allowing the transmission block 6 to rotate and drive the electric telescopic rod 7 to rotate. At the same time, the lower end of the electric telescopic rod 7 slides in the hexagonal groove on the side wall of the transmission block 6. At this time, the end of the transmission block 6 drives the second gear 9 to rotate through the first gear 8. When the second gear 9 rotates, it drives the transmission rod 10 to rotate, further ensuring that the electric telescopic rods 7 on both sides rotate synchronously, making the tilting of the cabin door more stable. The second method involves squeezing and sliding the two ends of the rubber sleeve 12 towards the middle. At this time, the two ends and the middle part of the rubber sleeve 12 can be grasped together by hand or by the matching drive rod, and then rotated. The connecting rod 11 can be driven to rotate synchronously through the engagement of the sliding block 13 and the sliding groove 14. When the connecting rod 11 rotates, it can drive the transmission block 6 and the first gear 8 to rotate together, thereby realizing the rotation of the electric telescopic rod 7 and the flipping of the cabin door. This method is efficient and can prevent the cabin door from failing to rotate due to motor failure.

[0028] 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.

[0029] 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 lifting transmission device for a large-size modular door, comprising a support frame (1) and an electrical junction box (2) disposed below the support frame (1), wherein a control box (3) is fixed to the upper side wall of the support frame (1), characterized in that: The upper end of the support frame (1) is provided with a support plate (4) in the horizontal direction. The upper side wall of the support plate (4) is provided with a motor (5). The output end of the motor (5) is provided with a transmission block (6). The side wall of the transmission block (6) is provided with an electric telescopic rod (7). The end of the transmission block (6) is provided with a first gear (8). The lower part of the first gear (8) is meshed with a second gear (9). The shaft of the second gear (9) is provided with a transmission rod (10). The shaft of the first gear (8) is provided with a connecting rod (11). The side wall of the connecting rod (11) is provided with a rotating component.

2. The upward-opening transmission device for a large-size modular door according to claim 1, characterized in that: The rotating assembly includes a rubber sleeve (12) fitted on the side wall of the connecting rod (11). Multiple sliding blocks (13) are evenly fixed on the inner side wall of the rubber sleeve (12). A matching sliding groove (14) is provided on the side wall of the connecting rod (11). The sliding blocks (13) are slidably disposed in the sliding groove (14).

3. The upward-opening transmission device for a large-size modular door according to claim 1, characterized in that: The lower end of the electric telescopic rod (7) is movably mounted on the side wall of the support frame (1).

4. The upward-opening transmission device for a large-size modular door according to claim 1, characterized in that: The support frame (1) and the support plate (4) are integrally formed, and a connecting seat is fixed between the support plate (4) and the motor (5).

5. The upward-opening transmission device for a large-size modular door according to claim 1, characterized in that: The second gear (9) and the transmission rod (10) are fixedly connected, and the first gear (8) and the connecting rod (11) are fixedly connected.

6. The upward-opening transmission device for a large-size modular door according to claim 2, characterized in that: The rubber sleeve (12) is made of natural rubber, and the surface of the rubber sleeve (12) is set as a friction pad.