Civil air defense door locking mechanism
By designing a locking mechanism in the civil defense door, and using structures such as gear columns, movable rods and clamping rods, multi-directional locking and fixing are achieved, solving the problem of inconvenient locking of the existing civil defense doors and improving the closure and stability of the door body.
Patent Information
- Application Number
- CN202421271373.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-05
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-06-05
AI Technical Summary
The existing personal security doors are inconvenient to use when locking, and the locking and locking operations are difficult, the locking range is narrow, and multi-direction locking cannot be achieved, resulting in poor closure and stability.
A civil defense door locking mechanism is designed. By setting a first circular groove, gear column, movable rod, clamp rod and other structures inside the door body, the driving components and the toothed belt disc drive the gear column and movable rod to rotate, realize the extension and clamping of the three sets of movable rods, and lock the docking point of the door body.
It realizes multi-directional fixation of the human defense door, simplifies the operation process, improves the closure and stability of the door body, and meets the use needs.
Smart Images
Figure CN222633042U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of civil air defense door locking, in particular to a civil air defense door locking mechanism. Background Art
[0002] Civil defense doors are the doors at the entrances and exits of people's defense projects. There are distinct classifications of civil defense doors, including ordinary single-leaf and double-leaf protective closed doors and closed doors, movable threshold single-leaf and double-leaf protective closed doors and closed doors, and other civil defense equipment.
[0003] At present, when locking the civil air defense door, the locking mechanism is mainly used to lock the door body of the civil air defense door to the door frame of the civil air defense door. However, there are still some inconveniences in actual use. The unlocking and locking actions are relatively difficult, and the locking range is narrow, and the multi-directional locking and fixing of the civil air defense door cannot be achieved, so that the closing degree and stability of the entire civil air defense door are relatively poor. Therefore, a civil air defense door locking mechanism is urgently needed to solve the above problems. Utility Model Content
[0004] Based on the deficiencies in the prior art mentioned in the above background technology, the utility model provides a civil defense door locking mechanism.
[0005] The utility model overcomes the above technical problems by adopting the following technical solutions, specifically:
[0006] A human defense door locking mechanism comprises a door body, a first circular groove is provided inside the door body, a gear column is rotatably connected to an inner wall of one side of the first circular groove, a limit frame is fixedly connected to an inner wall of one side of the first circular groove, a movable rod is inserted into the limit frame, a second rectangular groove is provided inside the door body, one end of the movable rod is located inside the second rectangular groove, the number of movable rods in a group of the door body is three groups, one end of the two groups of movable rods are fixedly connected to a first clamping rod, a first rectangular groove is provided inside the door body, the first clamping rod is located inside the first rectangular groove, one end of another movable rod is fixedly connected to a third clamping rod, a third rectangular groove is provided inside the door body, and the third rectangular groove is adapted to the third clamping rod;
[0007] A driving assembly is arranged inside the first circular groove.
[0008] As a further solution of the utility model: the driving assembly includes a gear column rotatably connected to the inner wall of one side of the first circular groove, and a tooth groove is opened on the outer wall of one side of the movable rod. The movable rod is meshed with the gear column through the tooth groove, and the gear column is also meshed with a toothed belt disk, and the toothed belt disk is located on one side of the movable rod.
[0009] As a further solution of the utility model: a rotating shaft is fixedly connected to an inner wall of one side of the toothed belt disk, one end of the rotating shaft extends to the outside of the toothed belt disk, one end of the rotating shaft is fixedly connected to a first gear, and the first gear is meshed with a second gear.
[0010] As a further solution of the utility model: a rotating rod is fixedly connected to an outer wall of one side of the second gear, one end of the rotating rod extends to the outside of the door body, one end of the rotating rod is fixedly connected to a rotating wheel, and a handle is fixedly connected to the circumferential outer wall of the rotating wheel.
[0011] As a further solution of the utility model: a second circular groove is opened inside the door body, and one end of the rotating shaft is rotatably connected to an inner wall of one side of the second circular groove.
[0012] As a further solution of the utility model: a slide groove is provided inside the door body, and one side outer wall of the toothed belt disk is fixedly connected with slide columns which are equidistantly distributed in a circle, and the slide columns are slidably connected to the slide groove.
[0013] As a further solution of the utility model: a second clamping rod is arranged inside the third rectangular groove of another door body, and a cavity is opened inside the third clamping rod, and the cavity cooperates with the second clamping rod.
[0014] After adopting the above structure, the utility model has the following advantages compared with the prior art: the door body can be fixed in multiple directions by rotating the rotating wheel, which is convenient for people to operate, and at the same time, the closing and stability of the door body are further improved, meeting people's use needs;
[0015] Specifically, a driving assembly, a rotating wheel, a first clamping rod, a second clamping rod and a third clamping rod are provided. When the staff needs to close the civil air defense door, they can first push the two groups of door bodies to put them in a closed state, and then the staff turns the handle, which can drive the rotating wheel to rotate. During the rotation of the rotating wheel, the second gear can be driven to rotate. When the second gear rotates, the first gear meshed with it can be driven to rotate. The rotation of the first gear can drive the rotating shaft and the toothed belt disk to make circular motion together. When the toothed belt disk rotates, the three groups of gear columns can be driven to rotate. At this time, the gear columns are meshed with the tooth grooves, so that the three groups of movable rods can be extended from the inside of the door body at the same time, wherein the two groups of first clamping rods will be clamped in the clamping grooves provided on the door frame, and the second clamping rod and the third clamping rod will be inserted into the corresponding door body, thereby realizing the locking of the door body joint. At the same time, a cavity is provided inside the third clamping rod, and the cavity cooperates with the second clamping rod, thereby further ensuring the stability of the insertion between the second clamping rod and the third clamping rod. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall front structure of the utility model.
[0017] Figure 2 It is a schematic diagram of the overall half-section structure of the utility model.
[0018] Figure 3 The utility model is a group of half-section structural schematic diagrams of the door body.
[0019] Figure 4 For this utility model Figure 3 Schematic diagram of the enlarged structure at point A in the middle.
[0020] Figure 5 It is a schematic diagram of the back structure of the toothed belt disk of the utility model.
[0021] Figure 6 It is a schematic diagram of the front structure of the toothed belt disc of the utility model.
[0022] Figure 7 It is a side plan view schematic diagram of the movable rod and the first clamping rod of the utility model.
[0023] In the figure: 1, door body; 2, rotating wheel; 3, handle; 5, first circular groove; 6, first rectangular groove; 7, first clamping rod; 8, movable rod; 9, tooth groove; 10, second rectangular groove; 11, gear column; 12, second clamping rod; 13, third clamping rod; 14, third rectangular groove; 15, second circular groove; 16, toothed belt disk; 17, sliding column; 18, sliding groove; 19, first gear; 20, rotating shaft; 21, second gear; 22, limit frame. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] See also Figure 1 to Figure 7In the embodiment of the utility model, a locking mechanism for a human defense door includes a door body 1, a first circular groove 5 is provided inside the door body 1, a gear column 11 is rotatably connected to an inner wall of one side of the first circular groove 5, a limited position frame 22 is fixedly connected to an inner wall of one side of the first circular groove 5, a movable rod 8 is inserted inside the limit frame 22, a second rectangular groove 10 is provided inside the door body 1, one end of the movable rod 8 is located inside the second rectangular groove 10, the number of movable rods 8 inside a group of door bodies 1 is three groups, one end of the two groups of movable rods 8 are fixedly connected to a first clamping rod 7, a first rectangular groove 6 is provided inside the door body 1, the first clamping rod 7 is located inside the first rectangular groove 6, one end of another movable rod 8 is fixedly connected to a third clamping rod 13, a third rectangular groove 14 is provided inside the door body 1, and the third rectangular groove 14 is adapted to the third clamping rod 13;
[0026] A driving assembly is arranged inside the first circular groove 5, which can realize multi-directional fixing of the door body 1, thus facilitating people's operation and further improving the closing property and stability of the door body 1, thus meeting people's usage needs.
[0027] Preferably, the driving assembly includes a gear column 11 rotatably connected to the inner wall of one side of the first circular groove 5, a tooth groove 9 is provided on the outer wall of one side of the movable rod 8, the movable rod 8 is meshed with the gear column 11 through the tooth groove 9, and the gear column 11 is also meshed with a toothed belt disk 16, the toothed belt disk 16 is located on one side of the movable rod 8, a rotating shaft 20 is fixedly connected to the inner wall of one side of the toothed belt disk 16, one end of the rotating shaft 20 extends to the outside of the toothed belt disk 16, one end of the rotating shaft 20 is fixedly connected to the first gear 19, the first gear 19 is meshed with the second gear 21, a rotating rod is fixedly connected to the outer wall of one side of the second gear 21, one end of the rotating rod extends to the outside of the door body 1, one end of the rotating rod is fixedly connected to the rotating wheel 2, and the circumferential outer wall of the rotating wheel 2 is fixedly connected to the handle 3. The staff rotates the handle 3 to drive the rotating wheel 2 Rotation, during the rotation of the rotating wheel 2, the second gear 21 can be driven to rotate, and when the second gear 21 rotates, the first gear 19 meshing therewith can be driven to rotate, and the rotation of the first gear 19 can drive the rotating shaft 20 and the toothed belt disk 16 to make circular motion together, and when the toothed belt disk 16 rotates, the three groups of gear columns 11 can be driven to rotate. At this time, the gear columns 11 are meshed with the tooth grooves 9, so that the three groups of movable rods 8 can be extended from the inside of the door body 1 at the same time, among which the two groups of first clamping rods 7 will be clamped in the clamping grooves provided on the door frame (it should be noted that: the door frame and the clamping groove are both prior art, not the structures to be protected in this application, and therefore they are not marked in the drawings in the specification), and the second clamping rod 12 and the third clamping rod 13 will be inserted into the corresponding door body 1, thereby locking the door body 1 at the joint.
[0028] Preferably, a second circular groove 15 is opened inside the door body 1, and one end of the rotating shaft 20 is rotatably connected to an inner wall of one side of the second circular groove 15, ensuring that the rotating shaft 20 and the toothed belt disk 16 can rotate stably.
[0029] Preferably, a slide groove 18 is opened inside the door body 1, and the outer wall of one side of the toothed belt disk 16 is fixedly connected with slide columns 17 distributed in a circular shape and at equal distances. The slide columns 17 are slidably connected to the slide groove 18. By sliding the slide columns 17 inside the slide groove 18, the stability of the toothed belt disk 16 during rotation can be effectively guaranteed.
[0030] Preferably, a second clamping rod 12 is provided inside the third rectangular groove 14 of the other door body 1, and a cavity is opened inside the third clamping rod 13, and the cavity cooperates with the second clamping rod 12. When the door body 1 is closed and locked, one end of the second clamping rod 12 will be inserted into the interior of 13, further ensuring the stability of the insertion between the second clamping rod 12 and the third clamping rod 13.
[0031] Working principle: when the staff needs to close the civil air defense door, they can first push the two groups of door bodies 1 to put them in a closed state, and then the staff turns the handle 3, and the handle 3 can drive the rotating wheel 2 to rotate. During the rotation of the rotating wheel 2, the second gear 21 can be driven to rotate, and when the second gear 21 rotates, the first gear 19 meshed with it can be driven to rotate. The rotation of the first gear 19 can drive the rotating shaft 20 and the toothed belt disk 16 to make a circular motion together. When the toothed belt disk 16 rotates, the three groups of gear columns 11 can be driven to rotate. At this time, the gear column 11 is meshed with the tooth groove 9, so that the three groups of movable rods 8 can be extended from the inside of the door body 1 at the same time, among which the two groups of first clamping rods 7 will be clamped in the clamping grooves provided on the door frame, and the second clamping rod 12 and the third clamping rod 13 will be inserted into the corresponding door body 1, thereby realizing the locking of the door body 1 at the joint. At the same time, a cavity is provided inside the third clamping rod 13, and the cavity cooperates with the second clamping rod 12, further ensuring the stability of the insertion between the second clamping rod 12 and the third clamping rod 13.
[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention.
Claims
1. A locking mechanism for a civil air defense door, comprising a door body (1), characterized in that: A first circular groove (5) is provided inside the door body (1), and a gear column (11) is rotatably connected to an inner wall of one side of the first circular groove (5), and a limit frame (22) is fixedly connected to an inner wall of one side of the first circular groove (5), and a movable rod (8) is inserted into the limit frame (22), and a second rectangular groove (10) is provided inside the door body (1), and one end of the movable rod (8) is located inside the second rectangular groove (10). There are three groups of movable rods (8) inside a group of the door body (1), and one end of the two groups of movable rods (8) is fixedly connected to a first clamping rod (7), and a first rectangular groove (6) is provided inside the door body (1), and the first clamping rod (7) is located inside the first rectangular groove (6), and one end of another movable rod (8) is fixedly connected to a third clamping rod (13), and a third rectangular groove (14) is provided inside the door body (1), and the third rectangular groove (14) is adapted to the third clamping rod (13); A driving assembly is arranged inside the first circular groove (5).
2. A locking mechanism for a civil air defense door according to claim 1, characterized in that: The driving assembly comprises a gear column (11) rotatably connected to the inner wall of one side of the first circular groove (5); a tooth groove (9) is provided on the outer wall of one side of the movable rod (8); the movable rod (8) is meshed with the gear column (11) through the tooth groove (9); the gear column (11) is also meshed with a toothed belt disk (16); and the toothed belt disk (16) is located on one side of the movable rod (8).
3. A locking mechanism for a civil air defense door according to claim 2, characterized in that: A rotating shaft (20) is fixedly connected to an inner wall of one side of the toothed belt disk (16), one end of the rotating shaft (20) extends to the outside of the toothed belt disk (16), and one end of the rotating shaft (20) is fixedly connected to a first gear (19), and the first gear (19) is meshed with a second gear (21).
4. A locking mechanism for a civil air defense door according to claim 3, characterized in that: A rotating rod is fixedly connected to an outer wall of one side of the second gear (21), one end of the rotating rod extends to the outside of the door body (1), one end of the rotating rod is fixedly connected to a rotating wheel (2), and a handle (3) is fixedly connected to the circumferential outer wall of the rotating wheel (2).
5. A locking mechanism for a civil air defense door according to claim 4, characterized in that: A second circular groove (15) is provided inside the door body (1), and one end of the rotating shaft (20) is rotatably connected to an inner wall of one side of the second circular groove (15).
6. A locking mechanism for a civil defense door according to claim 5, characterized in that: A slide groove (18) is provided inside the door body (1), and one side outer wall of the toothed belt disk (16) is fixedly connected with slide columns (17) distributed in a circular shape at equal distances, and the slide columns (17) are slidably connected to the slide groove (18).
7. A locking mechanism for a civil air defense door according to claim 6, characterized in that: A second clamping rod (12) is arranged inside the third rectangular groove (14) of the other door body (1), and a cavity is opened inside the third clamping rod (13), and the cavity cooperates with the second clamping rod (12).