Civil air defense partition door

By combining the drive mechanism and the limit structure, the problem of inconvenient operation of the air defense isolation door is solved, and the automatic control and stability are improved. The threshold is eliminated to facilitate travel.

CN224200525UActive Publication Date: 2026-05-05FUNAN MINAN CIVIL DEFENSE ENG EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
FUNAN MINAN CIVIL DEFENSE ENG EQUIP CO LTD
Filing Date
2025-02-11
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

Existing security partition doors are inconvenient to operate and make daily access difficult, especially due to the inconvenience caused by the traditional manual operation structure and high threshold.

Method used

The partition door is moved by a drive mechanism, combined with a sliding rail and floor rail limit structure, to achieve automatic and manual control, eliminating the traditional threshold and improving stability and convenience.

Benefits of technology

It achieves automated control and manual backup for partition doors, improves stability, eliminates thresholds for easier access, and enhances operational convenience and safety.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224200525U_ABST
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Abstract

The utility model provides a civil defense partition door which comprises a door frame and a partition door body installed on the door frame in a sliding mode, a driving mechanism for driving the partition door body to move is installed in the door frame, a sliding rail of a T-shaped structure is arranged in the door frame, a sliding sleeve is installed at the upper end of the partition door body, and the partition door body is installed on the sliding rail in a hanging mode through the sliding sleeve. The partition door is installed on the sliding rails in the door frame in a suspended mode, the sliding sleeves are installed on the sliding rails in a sliding mode, the limiting sliding ways for limiting the partition door are arranged at the two ends of the inner side of the door frame correspondingly, and the stability of the partition door in the moving process is improved through the distributed limiting rolling wheels; and the stability of the partition door in the moving process is further improved, the traditional protection threshold arrangement is changed, and the travel convenience of people is improved.
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Description

Technical Field

[0001] This utility model relates to the field of civil defense door technology, specifically a civil defense partition door. Background Technology

[0002] Civil defense projects are generally composed of many protected areas, and adjacent protected areas need to be separated by partition doors. Existing partition doors generally have high thresholds, making it inconvenient to enter and exit. In addition, partition doors are generally manually operated, which is not convenient for daily opening and closing. Therefore, there is a need for a civil defense partition door that is easy to operate and does not affect travel. Utility Model Content

[0003] The technical problem solved by this utility model is to provide a civil defense partition door to solve the problems mentioned in the background art.

[0004] The technical problem solved by this utility model is achieved by the following technical solution: a civil defense partition door, including a door frame and a partition door slidably installed on the door frame. A drive mechanism for moving the partition door is installed inside the door frame. A T-shaped slide rail is provided inside the door frame. A sliding sleeve is installed at the upper end of the partition door and is suspended on the slide rail through the sliding sleeve. The drive mechanism includes a synchronous belt set on one side of the partition door and a drive worm gear set on one side of the door frame. The two sides of the synchronous belt are respectively sleeved on the corresponding pulleys of the door frame, and the pulley on the side of the synchronous belt near the drive worm gear is connected to a synchronous shaft. A support plate is fixedly installed on the synchronous belt and is fixedly connected to the partition door through the support plate to drive the partition door to move.

[0005] A drive worm gear is fixedly installed at the outer end of the synchronous shaft. The drive worm gear is connected to the drive worm gear through a transmission. The upper end of the drive worm gear is connected to the motor through a transmission to achieve automatic control. The lower end of the drive worm gear is provided with a manual component to achieve manual control.

[0006] As a further embodiment of this utility model:

[0007] The door frame is provided with limiting slides on both sides to limit the position of the partition door. Several sets of limiting grooves are vertically distributed on the limiting slides. Limiting rollers are installed in the limiting grooves and abut against the outer end face of the partition door to prevent the partition door from shaking and improve the stability of the partition door during movement.

[0008] As a further embodiment of this utility model:

[0009] The lower end of the partition door is also equipped with a ground track, which is embedded in the ground. Sliding rollers are installed at the lower end of the partition door corresponding to the ground track, so that the partition door can be slidably installed in the corresponding groove of the ground track by the sliding rollers, thereby using the ground track to limit the partition door and improve its stability when moving.

[0010] As a further embodiment of this utility model:

[0011] The sliding sleeve is provided with a T-shaped displacement groove corresponding to the slide rail. Displacement rollers are distributed and installed on both sides of the upper end of the sliding sleeve, and are slidably installed on both sides of the slide rail through the displacement rollers to improve the sliding performance of the sliding sleeve. Baffles are provided on both sides of the slide rail to limit the sliding sleeve and prevent the sliding sleeve from moving out of the slide rail.

[0012] As a further embodiment of this utility model:

[0013] The drive worm gear is rotatably mounted inside the door frame via bearing seats on both sides, and a first gear is fixedly mounted on the lower end of the drive worm gear. The manual assembly includes a manual shaft and a second gear mounted on the upper end of the manual shaft. The manual shaft is rotatably mounted inside the door frame via bearing seats, and is connected to the first gear through meshing transmission via the second gear. A first bevel gear is mounted on the lower end of the manual shaft, and a second bevel gear is provided on one side of the first bevel gear for transmission transmission. A shaft is provided on the outer end of the second bevel gear, and the shaft is rotatably mounted in a corresponding bearing in the door frame. A handle is fixedly mounted on the outer end of the shaft for manual adjustment.

[0014] As a further embodiment of this utility model:

[0015] The pulleys are rotatably mounted on the belt frame, which is fixedly mounted on the door frame, and the belt frame has U-shaped holes for mounting the pulleys.

[0016] Compared with existing technologies, the beneficial effects of this utility model are as follows: The partition door is suspended and installed on a sliding rail within the door frame, and is slidably mounted on the rail using a sliding sleeve. Limiting tracks are provided at both ends of the inner side of the door frame to limit the movement of the partition door. Distributed limiting rollers improve the stability of the partition door during movement, and a ground track can be embedded in the ground to further increase the stability of the partition door during movement. This changes the traditional protective threshold setting and improves the convenience of personnel movement. A synchronous belt moves the partition door through the support plate. One side of the synchronous belt is connected to a worm gear to prevent the partition door from being pushed open or closed arbitrarily, ensuring that movement is controlled only by driving the worm gear, thus improving the stability of the partition door. One side of the drive worm gear is connected to a motor for automatic control, and the other side is connected to a manual component for manual control. In normal conditions, the motor can be used to quickly control the opening and closing of the partition door, and in the event of a power outage, the manual component can be used for control. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a partial cross-sectional view of the present invention.

[0019] Figure 3 for Figure 2 Enlarged structural diagram at point A in the middle;

[0020] Figure 4 This is a schematic diagram of the partition door installation structure of this utility model;

[0021] The diagram shows the following components: 1. Door frame; 2. Partition door; 3. Synchronous belt; 4. Ground track; 5. Manual shaft; 11. Slide rail; 12. Limiting slide rail; 13. Limiting slide groove; 14. Limiting roller; 15. Baffle; 21. Sliding sleeve; 22. Displacement roller; 23. Displacement slide groove; 31. Drive worm gear; 32. Pulley; 33. Synchronous shaft; 34. Support plate; 35. Drive worm gear; 36. Motor; 37. First gear; 38. Belt frame; 51. Second gear; 52. First bevel gear; 53. Second bevel gear; 54. Shaft; 55. Handle. Detailed Implementation

[0022] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below with reference to specific illustrations.

[0023] like Figures 1-4 As shown,

[0024] This embodiment provides a civil defense partition door, including a door frame 1 and a partition door 2 slidably installed on the door frame 1. A drive mechanism for moving the partition door 2 is installed inside the door frame 1. A T-shaped slide rail 11 is provided inside the door frame 1. A sliding sleeve 21 is installed at the upper end of the partition door 2 and is suspended on the slide rail 11 through the sliding sleeve 21. The drive mechanism includes a synchronous belt 3 on one side of the partition door 2 and a drive worm gear 31 on one side of the door frame 1. The synchronous belt 3 is respectively sleeved on the corresponding pulleys 32 of the door frame 1 on both sides. The pulley 32 on the side of the synchronous belt 3 closest to the drive worm gear 31 is connected to a synchronous shaft 33. A support plate 34 is fixedly installed on the synchronous belt 3 and is fixedly connected to the partition door 2 through the support plate 34 to drive the partition door 2 to move.

[0025] A drive worm gear 35 is fixedly installed at the outer end of the synchronous shaft 33. The drive worm gear 35 is connected to the drive worm 31. The upper end of the drive worm 31 is connected to the motor 36 for automatic control. The lower end of the drive worm 31 is provided with a manual component for manual control.

[0026] Specifically, the drive worm gear 31 and drive worm wheel 35 are connected by a transmission. The drive worm wheel 35 drives the pulley 32 to rotate, which avoids the partition door 2 being pushed by personnel and moving the synchronous belt 3. This ensures that the partition door 2 can only move by rotating the drive worm gear 31, improving the stability of the partition door 2. One side of the drive worm gear 31 is connected to a motor 36 for automatic control, and the other side is connected to a manual component for manual control. In normal conditions, the motor 36 can be used to quickly control the opening and closing of the partition door 2, and in the event of a power outage, the manual component can be used for control.

[0027] Because the partition door 2 is suspended and installed on the slide rail 11, the traditional threshold is eliminated, improving the convenience of personnel movement. However, the stability of the partition door 2 is relatively poor. Therefore, to solve the above technical problem, in this embodiment, the door frame 1 is provided with limiting slide rails 12 on both sides to limit the partition door 2. Several sets of limiting slide grooves 13 are vertically distributed on the limiting slide rails 12. Limiting rollers 14 are installed in the limiting slide grooves 13 and abut against the outer end face of the partition door 2 through the limiting rollers 14 to prevent the partition door 2 from shaking and improve the stability of the partition door 2 in the moving state.

[0028] The lower end of the partition door 2 is also equipped with a ground track 4, which is embedded in the ground. Sliding rollers are distributed and installed on the lower end of the partition door 2 corresponding to the ground track 4, so that the partition door 2 can be slidably installed in the corresponding groove of the ground track 4 through the sliding rollers, thereby using the ground track 4 to limit the partition door 2 and improve its stability when moving.

[0029] The sliding sleeve 21 is provided with a T-shaped displacement groove 23 corresponding to the slide rail 11. Displacement rollers 22 are distributed and installed on both sides of the upper end of the sliding sleeve 21, and are slidably installed on both sides of the slide rail 11 through the displacement rollers 22 to improve the sliding performance of the sliding sleeve 21. Baffles 15 are provided on both sides of the slide rail 11 to limit the sliding sleeve 21 to prevent the sliding sleeve 21 from moving out of the slide rail 11.

[0030] In this embodiment, the drive worm gear 31 is rotatably mounted inside the door frame 1 via bearing seats on both sides, and a first gear 37 is fixedly mounted on the lower end of the drive worm gear 31. The manual assembly includes a manual shaft 5 and a second gear 51 mounted on the upper end of the manual shaft 5. The manual shaft 5 is rotatably mounted inside the door frame 1 via bearing seats, and is connected to the first gear 37 via meshing of the second gear 51. A first bevel gear 52 is mounted on the lower end of the manual shaft 5. A second bevel gear 53 is provided on one side of the first bevel gear 52 and is connected to it via transmission. A shaft 54 ​​is provided on the outer end of the second bevel gear 53. The shaft 54 ​​is rotatably mounted in the corresponding bearing of the door frame 1, and a handle 55 is fixedly mounted on the outer end of the shaft 54 ​​for manual adjustment.

[0031] The pulleys 32 are rotatably mounted on the belt frame 38, which is fixedly mounted on the door frame 1, and the belt frame 38 has a U-shaped hole for mounting the pulleys 32.

[0032] Specifically, the door frame 1 has an L-shaped structure and is installed on the wall. The partition door 2 is suspended and installed on the slide rail 11 inside the door frame 1, and is slidably installed on the slide rail 11 using the sliding sleeve 21. Limiting slide rails 12 are provided at both ends of the inner side of the door frame 1 to limit the movement of the partition door 2. Distributed limiting rollers 14 improve the stability of the partition door 2 during movement. A ground rail 4 can be embedded in the ground to further increase the stability of the partition door 2 during movement, changing the traditional protective threshold setting and improving the convenience of personnel movement. The synchronous belt 3 moves the partition door 2 through the support plate 34. One side of the synchronous belt 3 is connected to a worm gear to prevent the partition door 2 from being pushed open or closed arbitrarily, ensuring that its movement is controlled only by rotating the drive worm gear 31, thus improving the stability of the partition door 2. One side of the drive worm gear 31 is connected to a motor 36 for automatic control, and the other side is connected to a manual component for manual control. In normal conditions, the motor 36 can be used to quickly control the opening and closing of the partition door 2, and in the event of a power outage, the manual component can be used for control.

[0033] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents. It should be noted that, in this document, the use of relational terms such as "first" and "second" is merely used to distinguish one entity or operation from another, and does not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, 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 a process, method, article, or apparatus. In the absence of further restrictions, an element defined by the phrase "comprising a..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. A type of air-raid shelter partition door, comprising a door frame (1) and a partition door (2) slidably mounted on the door frame (1), characterized in that: The door frame (1) is equipped with a drive mechanism for moving the partition door (2). The door frame (1) is provided with a T-shaped slide rail (11). The upper end of the partition door (2) is equipped with a sliding sleeve (21) and is suspended on the slide rail (11) through the sliding sleeve (21). The drive mechanism includes a synchronous belt (3) on one side of the partition door (2) and a drive worm (31) on one side of the door frame (1). The synchronous belt (3) is respectively sleeved on the corresponding pulleys (32) of the door frame (1) on both sides. The pulley (32) on the side of the synchronous belt (3) close to the drive worm (31) is connected to a synchronous shaft (33). A support plate (34) is fixedly installed on the synchronous belt (3) and is fixedly connected to the partition door (2) through the support plate (34) to drive the partition door (2) to move. A drive worm gear (35) is fixedly installed at the outer end of the synchronous shaft (33). The drive worm gear (35) is connected to the drive worm (31) in a transmission connection. The upper end of the drive worm (31) is connected to the motor (36) in a transmission connection. The lower end of the drive worm (31) is provided with a manual component.

2. The air-raid shelter partition door according to claim 1, characterized in that: The door frame (1) is provided with limiting slides (12) on both sides to limit the partition door (2). Several sets of limiting grooves (13) are vertically distributed on the limiting slides (12). Limiting rollers (14) are installed in the limiting grooves (13) and abut against the outer end face of the partition door (2) through the limiting rollers (14).

3. A civil defense partition door according to claim 2, characterized in that: The lower end of the partition door (2) is also equipped with a ground track (4), which is embedded in the ground. The lower end of the partition door (2) is equipped with sliding rollers distributed on the ground track (4) so ​​that it can be slidably installed in the corresponding groove of the ground track (4) by the sliding rollers.

4. A civil defense partition door according to claim 2, characterized in that: The sliding sleeve (21) is provided with a T-shaped displacement groove (23) corresponding to the slide rail (11). Displacement rollers (22) are distributed and installed on both sides of the upper end of the sliding sleeve (21), and are slidably installed on both sides of the slide rail (11) through the displacement rollers (22). Baffles (15) are provided on both sides of the slide rail (11) to limit the sliding sleeve (21).

5. A civil defense partition door according to claim 1, characterized in that: The drive worm (31) is rotatably mounted in the door frame (1) on both sides through bearing seats, and a first gear (37) is fixedly mounted on the lower end of the drive worm (31). The manual assembly includes a manual shaft (5) and a second gear (51) mounted on the upper end of the manual shaft (5). The manual shaft (5) is rotatably mounted in the door frame (1) through bearing seats, and is connected to the first gear (37) through meshing of the second gear (51). A first bevel gear (52) is mounted on the lower end of the manual shaft (5). A second bevel gear (53) is provided on one side of the first bevel gear (52) and is connected to it through transmission. A shaft (54) is provided on the outer end of the second bevel gear (53). The shaft (54) is rotatably mounted in the corresponding bearing of the door frame (1), and a handle (55) is fixedly mounted on the outer end of the shaft (54) for manual adjustment.

6. A civil defense partition door according to claim 5, characterized in that: The pulleys (32) are rotatably mounted on the belt frame (38), which is fixedly mounted on the door frame (1), and the belt frame (38) has a U-shaped hole for mounting the pulleys (32).