Locking device for civil air defense door
By designing a combination of tadpole blocks, limited columns, plug -in and spring lock devices, the problem of manual operation of existing people's defense door locking device requires automatic self -locking of people's defense door, increasing the fixed door of the door, and the fixed door fixation is improved. And security.
Patent Information
- Application Number
- CN202421105829.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-21
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-05-21
AI Technical Summary
The existing human-proof door locking device requires manual operation, which makes it easy to forget to lock in unexpected situations, affecting the fixation and safety of the door.
A human defense door lock device is designed. Through the combination of iron people's defense door, iron door frame, and backframe, the combination of pupae blocks, limited columns, insertion, and spring cooperation can be used to realize the self -lock function of the door defense door.
The automatic self -locking when the door is closed, without manual operation, and improved the fixing and security of the door, especially in the case of emergencies to ensure the effective lock of the door.
Smart Images
Figure CN222414480U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of civil air defense doors, and in particular to a locking device for civil air defense doors. Background Art
[0002] A civil air defense door is a door used at the entrance of a civil air defense project, usually made of metal, including various types such as ordinary single and double leaf protective airtight doors and airtight doors, and single and double leaf protective airtight doors and airtight doors with movable thresholds; in order to ensure the fixation and safety of the civil air defense door after closing, a locking device is installed on the door frame, thereby increasing the fixation and safety of the closed civil air defense door. The existing locking devices are mostly composed of a拨动块 (not clear in Chinese, may need more context), a bolt, and a C-shaped block. During use, the civil air defense door is closed, and then the拨动块 is toggled to drive the bolt to move, so that one end of the bolt is inserted into the inside of the C-shaped block, thereby locking the civil air defense door. However, this process requires manual operation. When people encounter emergencies, they are nervous and are very likely to forget to operate the locking device to lock the civil air defense door after closing the door. Summary of the Utility Model
[0003] In order to solve the problem that when people encounter emergencies, they are nervous and are very likely to forget to operate the locking device to lock the civil air defense door after closing the door, the present application provides a locking device for civil air defense doors.
[0004] The locking device for civil air defense doors provided by the present application adopts the following technical solutions:
[0005] A locking device for civil air defense doors includes an iron civil air defense door, an iron door frame, and a return frame. The iron door frame is located at the top of the iron civil air defense door, and the return frame is located on one side of the iron civil air defense door. One end of the top of the return frame is provided with a fixing component, and the return frame is fixedly installed on one side of the iron door frame through the fixing component. One side of the top of the iron civil air defense door is welded with a C-shaped block. The middle part of one inner side wall of the return frame is welded with a limiting column. A middle part of one side of the return frame is provided with a jack. One end of the limiting column is movably sleeved with a bolt, and one end of the bolt movably penetrates through the jack. The outer surface of the middle part of the limiting column is movably sleeved with a spring, and both ends of the spring respectively abut against one inner side wall of the return frame and one side of the bolt.
[0006] Preferably, the fixing component is composed of a fixing block and several first inner hexagon bolts. The fixing block is welded to one end of the top of the return frame. Several first inner hexagon bolts all threadedly penetrate through the fixing block, and several first inner hexagon bolts are all threadedly connected to the iron door frame.
[0007] Preferably, a limiting hole is provided in the middle of the front side of the return frame. A toggling block is welded to the front side of the bolt, and the toggling block movably penetrates through the limiting hole.
[0008] Preferably, a support block is welded to one end of the front side of the loop frame, and a second inner hexagon bolt is threaded through the middle of one side of the support block.
[0009] In summary, the present application includes the following beneficial technical effects: By closing the iron civil air defense door and driving the U-shaped block close to the bolt, when the U-shaped block抵触 the bolt, the bolt will be pushed and retracted into the jack. And at the moment when the U-shaped block脱离 the bolt, the spring will open and push the bolt to extend from the jack and insert into the inside of the U-shaped block, thereby achieving the purpose of self-locking the iron civil air defense door; Compared with the prior art, only directly closing the door can achieve self-locking of the door during the closing process, without manually operating the locking device to lock the door. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a schematic diagram of the implementation effect of the application embodiment.
[0011] Figure 2 It is a schematic diagram of the overall structure of the application embodiment.
[0012] Figure 3 It is a schematic diagram of the sectional structure of the application embodiment.
[0013] Description of the reference numerals: 1, iron civil air defense door; 2, iron door frame; 3, loop frame; 4, U-shaped block; 5, fixing component; 51, fixing block; 52, first inner hexagon bolt; 61, limiting column; 62, bolt; 63, spring; 64,拨动块; 71, support block; 72, second inner hexagon bolt. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0014] The following is a further detailed description of the present application in conjunction with the attached Figure 1-3 This application embodiment discloses a locking device for a civil air defense door. Refer to
[0015] This application embodiment discloses a locking device for a civil air defense door. Refer to Figure 1 and Figure 3 It should be noted that there is an unclear "拨动块" in the original text which may need further clarification in the source language for a more accurate translation. Also, some tags like etc. are left unchanged as per the requirement., including an iron civil air defense door 1, an iron door frame 2 and a return frame 3. The iron door frame 2 is located at the top of the iron civil air defense door 1, and the return frame 3 is located on one side of the iron civil air defense door 1. One end of the top of the return frame 3 is provided with a fixing component 5. The return frame 3 is fixedly installed on one side of the iron door frame 2 through the fixing component 5, thereby suspending and supporting the return frame 3 at the top of one side of the iron civil air defense door 1. A C-shaped block 4 is welded to the top end of one side of the iron civil air defense door 1. A limiting post 61 is welded to the middle of one inner side wall of the return frame 3. A jack is opened in the middle of one side of the return frame 3. One end of the limiting post 61 is movably sleeved with a bolt 62, and one end of the bolt 62 movably penetrates through the jack. A spring 63 is movably sleeved on the outer surface of the middle of the limiting post 61. Two ends of the spring 63 respectively abut against one inner side wall of the return frame 3 and one side of the bolt 62. When the iron civil air defense door 1 is closed and drives the C-shaped block 4 close to the bolt 62, when the C-shaped block 4 abuts against the bolt 62, at this time the bolt 62 will contract into the inside of the jack, and at the same time the spring 63 is compressed under the abutment of the bolt 62. At the moment when the C-shaped block 4 is separated from the bolt 62, at this time the spring 63 will expand and abut against the bolt 62 to protrude from the jack and insert into the inside of the C-shaped block 4, and one side thereof abuts against the inner side wall of the C-shaped block 4, thereby realizing the purpose of self-locking of the iron civil air defense door 1.
[0016] Refer to Figure 1 and Figure 2 , the fixing component 5 is composed of a fixing block 51 and several first hexagon socket head cap screws 52. The fixing block 51 is welded to one end of the top of the return frame 3. Several first hexagon socket head cap screws 52 all threadedly penetrate through the fixing block 51, and several first hexagon socket head cap screws 52 are all threadedly connected to the iron door frame 2, thereby fixing and installing the return frame 3 on the iron door frame 2.
[0017] Refer to Figure 2 and Figure 3 , a limiting hole is opened in the middle of the front side of the return frame 3. A拨动块64 (should be a specific name, not clear in the original, translated as "toggle block" for now) is welded to the front side of the bolt 62. The toggle block 64 movably penetrates through the limiting hole. By toggling the toggle block 64, the bolt 62 can be driven to move, so that one end of the bolt 62 is separated from the inside of the C-shaped block 4, thereby opening the iron civil air defense door 1.
[0018] Refer to Figure 2 and Figure 3 , a support block 71 is welded to one end of the front side of the return frame 3. A second hexagon socket head cap screw 72 threadedly penetrates through the middle of one side of the support block 71. By rotating the second hexagon socket head cap screw 72, the second hexagon socket head cap screw 72 abuts against the bolt 62 to move, and the bolt 62 will contract into the inside of the jack. In this way, during the repeated closing and opening process of the iron civil air defense door 1, one end of the bolt 62 will not be inserted into the inside of the C-shaped block 4.
[0019] The implementation principle of a locking device for a civil air defense door in an embodiment of the present application is as follows: When the iron civil air defense door 1 is closed and drives the U-shaped block 4 close to the bolt 62, when the U-shaped block 4 touches the bolt 62, at this time the bolt 62 will contract into the inside of the jack. At the same time, the spring 63 is compressed under the touch of the bolt 62. At the moment when the U-shaped block 4 is separated from the bolt 62, the spring 63 will expand and push the bolt 62 to extend out of the jack and insert into the inside of the U-shaped block 4, and one side thereof touches the inner side wall of the U-shaped block 4, thereby achieving the purpose of self-locking of the iron civil air defense door 1. By rotating the second hexagon socket head cap screw 72, the second hexagon socket head cap screw 72 touches the bolt 62 and moves, and the bolt 62 will contract into the inside of the jack, so that the iron civil air defense door 1 can be repeatedly closed and opened.
[0020] Finally, the following points should be noted: First, in the description of the present application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, which can be mechanical connection or electrical connection, or the communication inside two components, and can be directly connected. "Up", "down", "left", "right", etc. are only used to represent the relative position relationship. When the absolute position of the described object changes, the relative position relationship may change;
[0021] Second: In the attached drawings of the disclosed embodiments of the present utility model, only the structures related to the disclosed embodiments of the present disclosure are involved. For other structures, reference can be made to the general design. Without conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;
[0022] Finally: The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
[0023] The above are all the preferred embodiments of the present application, and do not limit the protection scope of the present application accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present application shall be covered within the protection scope of the present application.
Claims
1. A locking device for a civil air defense door, comprising an iron civil air defense door (1), an iron door frame (2) and a circular frame (3), characterized in that: The iron door frame (2) is located at the top of the iron civil air defense door (1). The U-shaped frame (3) is located on one side of the iron civil air defense door (1). One end of the top of the U-shaped frame (3) is provided with a fixing component (5). The U-shaped frame (3) is fixedly installed on one side of the iron door frame (2) through the fixing component (5). A C-shaped block (4) is welded to the top end of one side of the iron civil air defense door (1). A limiting column (61) is welded to the middle of one inner side wall of the U-shaped frame (3). A jack is formed in the middle of one side of the U-shaped frame (3). One end of the limiting column (61) is movably sleeved with a bolt (62), and one end of the bolt (62) movably penetrates through the jack. A spring (63) is movably sleeved on the outer surface of the middle of the limiting column (61). Two ends of the spring (63) are respectively in contact with one inner side wall of the U-shaped frame (3) and one side of the bolt (62).
2. The locking device for a civil air defense door according to claim 1, characterized in that: The fixing component (5) consists of a fixing block (51) and a plurality of first hexagon socket head cap screws (52). The fixing block (51) is welded to one end of the top of the U-shaped frame (3). A plurality of the first hexagon socket head cap screws (52) all threadedly penetrate through the fixing block (51), and a plurality of the first hexagon socket head cap screws (52) are all threadedly connected to the iron door frame (2).
3. The locking device for a civil air defense door according to claim 1, characterized in that: A limiting hole is formed in the middle of the front side of the U-shaped frame (3). A拨动块 (64) is welded to the front side of the bolt (62), and the拨动块 (64) movably penetrates through the limiting hole.
4. The locking device for a civil air defense door according to claim 1, characterized in that: A support block (71) is welded to one end of the front side of the U-shaped frame (3). A second hexagon socket head cap screw (72) threadedly penetrates through the middle of one side of the support block (71). It should be noted that there may be an error in the Chinese term "拨动块" in the original text. It is recommended to check and correct it to the accurate English term according to the actual situation. Here, for the sake of translation integrity, it is temporarily translated as "拨动块".