Civil air defense door capable of conveniently locking door plate

By designing the push-pull properties of the sliding door panel and the simple structure of the civil air defense door locking mechanism, the problem of insufficient quick locking performance of the civil air defense door in the existing technology is solved, and the effects of quick locking and stable locking are achieved.

CN222376331UActive Publication Date: 2025-01-21RONGDUN CIVIL AIR DEFENSE ENG (TAIZHOU) CO LTD
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Patent Information

Application Number
CN202420769048.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-15
Publication Date
2025-01-21
Estimated Expiration
2034-04-15

AI Technical Summary

Technical Problem

The existing civil defense doors lack performance in fast locking, making it difficult to meet the demand for fast locking.

Method used

A civil air defense door including a door frame and a locking mechanism is designed. The locking mechanism achieves rapid locking through the push-pull properties and simple structure of the sliding door panel, and improves stability through the cross limit design.

Benefits of technology

It realizes the quick locking function when the civil air defense door needs to be quickly locked, and the cross limit design improves the stability during locking and improves the performance of the civil air defense door.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222376331U_ABST
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Abstract

The utility model relates to the technical field of civil air defense doors, in particular to a civil air defense door with a door plate convenient to lock. The door comprises a door frame and a locking mechanism, the locking mechanism comprises sliding door plates, the two sliding door plates are arranged on the inner side of the door frame in a front-back staggered sliding mode, movable grooves and connecting inserting grooves are formed in the positions, opposite to the inner side of the door frame, of the outer sides of the sliding door plates correspondingly, and connecting plates are arranged on the inner sides of the movable grooves; a movable rod is connected to the surface of one side of the connecting plate, a rotating shaft is arranged at the joint of the connecting plate and the movable rod, a positioning groove is formed in the end face of the bottom end of the rotating shaft, and the bottom end of the end, close to the connecting inserting groove, of the rotating shaft is in an arc shape. A storage groove is formed in the surface of the bottom end of the inner side of the connecting inserting groove, a locking rod is arranged on the inner side of the storage groove, one end of the locking rod is connected to the inner side of the locking groove in a penetrating mode, and a reset assembly is arranged at the joint of the locking rod and the storage groove.
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Description

Technical Field

[0001] The utility model relates to the technical field of civil air defense doors, in particular to a civil air defense door which is convenient for locking a door panel. Background Art

[0002] Civil defense doors are the doors at the entrance and exit of people's defense projects. They are special equipment used when air defense, disaster relief measures, and rescue operations are required. They are divided into many types according to the place of use and purpose.

[0003] In some special occasions where civil defense doors are used, they need to be locked more quickly. Existing civil defense doors are usually optimized in terms of material, structure, buffering and other aspects, but not much has been done in terms of fast use. For this reason, we propose a civil defense door that is convenient for locking the door panel. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a civil defense door with a convenient locking door panel. When the civil defense door needs to be locked quickly, the push-pull properties of the sliding door panel and the simple structure of the mechanism can lock the civil defense door faster, thereby meeting the demand for quick locking. In addition, the mechanism is a cross limiter, which is more stable when locked, thereby improving the performance of the civil defense door.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a human defense door that is convenient for locking a door panel, comprising a door frame and a locking mechanism, the locking mechanism comprising a sliding door panel, the number of the sliding door panels is provided with two and they are arranged on the inner side of the door frame in a staggered sliding manner back and forth, a movable groove and a connecting slot are respectively provided at the positions opposite to the inner side of the door frame on the outer side of the sliding door panel, a connecting plate is provided on the inner side of the movable groove, a movable rod is movably connected to the surface of one side of the connecting plate, a rotating shaft is provided at the connection between the connecting plate and the movable rod, and the bottom end surface of the rotating shaft is provided with a movable groove. A positioning groove is provided, and the bottom end of the rotating shaft close to the connecting slot is set in an arc shape, a fixing block is provided on the inner side of the connecting slot, a fixing rod is provided on the outer side of the fixing block, the fixing rod is movably connected to the inner side of the positioning groove, the bottom end of the movable rod located on the inner side of the connecting slot is movably connected to an ejection assembly, a locking groove is provided on the top end of the movable rod, a receiving groove is provided on the inner bottom surface of the connecting slot, a locking rod is provided on the inner side of the receiving groove, one end of the locking rod is connected to the inner side of the locking groove, and a reset assembly is provided at the connection between the locking rod and the receiving groove.

[0006] As a preferred technical solution of the utility model, the ejection assembly includes an empty groove, which is opened on the top surface of the inner side of the connecting slot, and the inner bearing of the empty groove is connected to the main rotating rod, and a gear is provided on the outer side of the main rotating rod, and a rack is meshingly connected to the outer side of the gear, one end of the rack is located in the connecting slot and is movably connected to the bottom end of the movable rod, and one end of the main rotating rod passes through the door frame and is located on the outside of the door frame.

[0007] As a preferred technical solution of the utility model, the reset assembly includes a receiving plate, the receiving plate is arranged on the end surface of one end of the locking rod located on the inner side of the storage groove, a rotating block is provided at the connection between the receiving plate and the locking rod, a locking spring is provided at the other end of the receiving plate, the other end of the locking spring is connected to the storage groove, and an auxiliary push block is provided on the surface of one side of the locking rod, one end of the auxiliary push block passes through the door frame and is located on the outside of the door frame.

[0008] As a preferred technical solution of the utility model, a protective pad is provided on the top end surface of the rack, and the protective pad is movably connected to the bottom end of the movable rod.

[0009] As a preferred technical solution of the utility model, the main rotating rod and the auxiliary push block are provided with anti-slip grooves on the outer side of one end located outside the door frame, and the end faces are provided with turning and upper and lower identification stickers.

[0010] As a preferred technical solution of the utility model, it also includes an encryption mechanism, which includes a U-shaped protective box, which is arranged on the outside of the door frame and covers the outside of the main rotating rod and the auxiliary push block. A password lock cover is provided at the opening of the U-shaped protective box, and a display screen and an operation panel are provided on the outside of the password lock cover. The surface of the display screen is covered with a protective film, and a rubber protective pad is provided on the outside of the operation panel.

[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0012] 1. Through the setting of the locking mechanism, when the civil air defense door needs to be locked quickly, the push-pull property of the sliding door panel and the simple structure of this mechanism can lock the civil air defense door faster, thereby meeting the demand for fast locking. In addition, this mechanism is cross-limited, which is more stable when locked, thus improving the performance of the civil air defense door;

[0013] 2. By setting up an encryption mechanism, the specific control components of the locking mechanism can be protected, thereby limiting the range of people who can control the civil defense door, and also avoiding accidents caused by accidental touch and other reasons. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the cross-sectional structure of the front part of the utility model;

[0015] Figure 2 It is a front structural schematic diagram of the utility model;

[0016] Figure 3 For the utility model Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0017] Figure 4 For the utility model Figure 3 A schematic diagram of the enlarged structure at B in the middle;

[0018] Among them: 1. Door frame; 2. Sliding door panel; 3. U-shaped protective box; 4. Lock rod; 11. Connecting slot; 12. Fixed block; 13. Fixed rod; 14. Empty slot; 15. Main rotating rod; 16. Gear; 17. Rack; 18. Storage slot; 21. Movable slot; 22. Connecting plate; 23. Movable rod; 24. Rotating shaft; 25. Positioning slot; 26. Locking slot; 31. Password lock cover; 32. Display screen; 33. Operation panel; 41. Attachment plate; 42. Rotating block; 43. Locking spring; 44. Auxiliary push block. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the utility model. The experimental methods in the following embodiments are conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following embodiments are all commercially available unless otherwise specified.

[0020] Embodiment:

[0021] like Figure 1-Figure 4As shown, a human defense door that is convenient for locking the door panel comprises 1. A human defense door that is convenient for locking the door panel comprises a door frame 1 and a locking mechanism, characterized in that: the locking mechanism comprises a sliding door panel 2, the number of the sliding door panels 2 is provided with two and they are arranged on the inner side of the door frame 1 in a staggered sliding manner front and back, a movable groove 21 and a connecting slot 11 are respectively provided at the positions opposite to the inner side of the door frame 1 on the outer side of the sliding door panel 2, a connecting plate 22 is provided on the inner side of the movable groove 21, a movable rod 23 is movably connected to the surface of one side of the connecting plate 22, a rotating shaft 24 is provided at the connection between the connecting plate 22 and the movable rod 23, a positioning groove 25 is provided on the end surface of the bottom end of the rotating shaft 24, and the bottom end of the rotating shaft 24 close to the connecting slot 11 is arranged in an arc shape, a fixing block 12 is provided on the inner side of the connecting slot 11, a fixing rod 13 is provided on the outer side of the fixing block 12, the fixing rod 13 is movably connected to the inner side of the positioning groove 25, the bottom end of the movable rod 23 located on the inner side of the connecting slot 11 is movably connected to a ejection assembly, a locking groove 26 is provided on the top of the movable rod 23, and the connecting slot The inner bottom surface of the connecting slot 11 is provided with a receiving groove 18, the inner side of the receiving groove 18 is provided with a locking rod 4, one end of the locking rod 4 is connected to the inner side of the locking groove 26, and a reset assembly is provided at the connection between the locking rod 4 and the receiving groove 18; the ejection assembly includes a hollow groove 14, the hollow groove 14 is provided on the inner top surface of the connecting slot 11, the inner side of the hollow groove 14 is connected with a main rotating rod 15, the outer side of the main rotating rod 15 is provided with a gear 16, the outer side of the gear 16 is meshed with a rack 17, one end of the rack 17 is located in the connecting slot 11 and is connected to the movable The bottom end of the rod 23 is movably connected, and one end of the main rotating rod 15 passes through the door frame 1 and is located outside the door frame 1; the reset component includes a receiving plate 41, which is arranged on the end surface of one end of the lock rod 4 located inside the receiving groove 18, and a rotating block 42 is provided at the connection between the receiving plate 41 and the lock rod 4, and a locking spring 43 is provided at the other end of the receiving plate 41, and the other end of the locking spring 43 is connected to the receiving groove 18, and an auxiliary push block 44 is provided on one side surface of the lock rod 4, and one end of the auxiliary push block 44 passes through the door frame 1 and is located outside the door frame 1;

[0022] Civil defense doors are the doors at the entrance and exit of people's defense projects. They are special equipment used when air defense, disaster relief measures, and rescue operations are required. They are divided into many types according to the place of use and purpose.

[0023] In some special occasions where civil air defense doors are used, they need to be locked faster. The existing civil air defense doors are usually optimized in terms of material, structure, buffering and other aspects, but have not been much explored in terms of fast use.

[0024] When the door needs to be locked, the auxiliary push block 44 is first pulled up to allow the locking rod 4 to leave the range of the connecting slot 11, and then the sliding door panel 2 is pushed in the direction of the door frame 1. After the movable rod 23 touches the fixed rod 13, it is pushed up under the action of the rotating shaft 24, and then the movable rod 23 partially enters the connecting slot 11, the positioning slot 25 coincides with the position of the fixed rod 13, the fixed rod 13 enters the positioning slot 25, and the movable rod 23 is reset to the horizontal position, and then the auxiliary push block 44 is released, the locking spring 43 is reset and pushes the locking rod 4 into the inner side of the locking slot 26, and the movable rod 23 can be locked in a cross shape, thereby completing the locking of the door. When it needs to be reopened, the auxiliary push block 44 is first pulled up to allow the locking rod 4 to exit the connecting slot 11, and then the main rotating rod 15 is rotated, the gear 16 drives the rack 17 to move upward, thereby pushing the movable rod 23 upward, and then the sliding door panel 2 is pulled away in the opposite direction;

[0025] In situations where the civil defense door needs to be locked quickly, the push-pull properties of the sliding door panel 2 and the simple structure of this mechanism can lock the civil defense door faster, thereby meeting the need for rapid locking. In addition, this mechanism is a cross limiter, which is more stable when locked, thereby improving the performance of the civil defense door.

[0026] In other embodiments, the present embodiment discloses, please Figure 3 As shown, a protective pad is provided on the top end face of the rack 17, and the protective pad is movably connected to the bottom end of the movable rod 23; through this design, when the rack 17 lifts the movable rod 23, the connection between the rack 17 and the movable rod 23 is softer, avoiding damage caused by friction.

[0027] In other embodiments, the present embodiment discloses, please Figure 3 As shown, the outer side of the main rotating rod 15 and the auxiliary push block 44 located on the outer side of the door frame 1 are both provided with anti-slip grooves and are provided with turning, upper and lower identification stickers on the end faces; through this design, the friction force is increased when the staff uses the main rotating rod 15 and the auxiliary push block 44, which makes it easier to apply force, and at the same time the identification stickers can help users get started faster.

[0028] Example:

[0029] In other embodiments, the present embodiment discloses, please Figure 2 As shown, the invention also includes an encryption mechanism, which includes a U-shaped protection box 3, which is arranged on the outside of the door frame 1 and covers the outside of the main rotating rod 15 and the auxiliary push block 44, and a password lock cover 31 is provided at the opening of the U-shaped protection box 3, and a display screen 32 and an operation panel 33 are provided on the outside of the password lock cover 31, and a protective film is covered on the surface of the display screen 32, and a rubber protective pad is provided on the outside of the operation panel 33;

[0030] When the locking mechanism is needed, it is necessary to first operate the operation panel 33 and enter the correct password before the password lock cover 31 can be opened, thereby exposing the operating position of the locking mechanism, and the status of the password lock cover 31 is displayed in real time on the display screen 32; the specific control components of the locking mechanism can be protected, thereby limiting the range of people who can operate the civil defense door, and at the same time, unexpected situations caused by accidental touches can be avoided.

[0031] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A human defense door with a convenient door panel locking mechanism, comprising a door frame (1) and a locking mechanism, characterized in that: The locking mechanism comprises a sliding door plate (2), wherein two sliding door plates (2) are provided and are arranged on the inner side of a door frame (1) in a staggered manner. A movable groove (21) and a connecting slot (11) are respectively provided at positions opposite to the inner side of the door frame (1) on the outer side of the sliding door plate (2). A connecting plate (22) is provided on the inner side of the movable groove (21). A movable rod (23) is movably connected to a surface of one side of the connecting plate (22). A rotating shaft (24) is provided at the connection between the connecting plate (22) and the movable rod (23). A positioning groove (25) is provided on the bottom end surface of the rotating shaft (24), and the bottom end of the rotating shaft (24) close to the connecting slot (11) is in the shape of an arc. The connecting slot (11) is provided with a fixing block (12) on the inner side, and a fixing rod (13) is provided on the outer side of the fixing block (12). The fixing rod (13) is movably connected to the inner side of the positioning slot (25). The bottom end of one end of the movable rod (23) located on the inner side of the connecting slot (11) is movably connected to an ejection assembly. The top end of the movable rod (23) is provided with a locking groove (26). The inner bottom end surface of the connecting slot (11) is provided with a receiving groove (18). A locking rod (4) is provided on the inner side of the receiving groove (18). One end of the locking rod (4) is connected to the inner side of the locking groove (26). A reset assembly is provided at the connection between the locking rod (4) and the receiving groove (18).

2. The civil defense door with convenient locking of door panels according to claim 1, characterized in that: The ejection assembly comprises a hollow groove (14), the hollow groove (14) being arranged on the inner top surface of the connecting slot (11), the inner bearing of the hollow groove (14) being connected to a main rotating rod (15), the outer side of the main rotating rod (15) being provided with a gear (16), the outer side of the gear (16) being meshingly connected to a rack (17), one end of the rack (17) being located in the connecting slot (11) and being movably connected to the bottom end of the movable rod (23), and one end of the main rotating rod (15) passing through the door frame (1) being located on the outer side of the door frame (1).

3. The civil defense door with convenient locking of door panels according to claim 2, characterized in that: The reset assembly comprises a receiving plate (41), the receiving plate (41) being arranged on an end surface of the locking rod (4) located on the inner side of the receiving groove (18), a rotating block (42) being arranged at the connection between the receiving plate (41) and the locking rod (4), a locking spring (43) being arranged at the other end of the receiving plate (41), the other end of the locking spring (43) being connected to the receiving groove (18), and an auxiliary push block (44) being arranged on the surface of one side of the locking rod (4), one end of the auxiliary push block (44) passing through the door frame (1) and being located on the outer side of the door frame (1).

4. The civil defense door with convenient locking of door panels according to claim 2, characterized in that: The top end surface of the rack (17) is provided with a protective pad, and the protective pad is movably connected to the bottom end of the movable rod (23).

5. The civil air defense door with convenient locking of door panels according to claim 3, characterized in that: The main rotating rod (15) and the auxiliary push block (44) are provided with anti-slip grooves on the outer side of the door frame (1) and are provided with turning and upper and lower identification stickers on the end faces.

6. The civil defense door with convenient locking of door panels according to claim 5, characterized in that: The invention also comprises an encryption mechanism, wherein the encryption mechanism comprises a U-shaped protection box (3), the U-shaped protection box (3) is arranged on the outside of the door frame (1) and covers the outside of the main rotating rod (15) and the auxiliary push block (44), a password lock cover (31) is arranged at the opening of the U-shaped protection box (3), a display screen (32) and an operation panel (33) are arranged on the outside of the password lock cover (31), a protective film is covered on the surface of the display screen (32), and a rubber protective pad is arranged on the outside of the operation panel (33).