CN215443646U - Self-locking door opener for underground civil air defense door - Google Patents
Self-locking door opener for underground civil air defense door Download PDFInfo
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- CN215443646U CN215443646U CN202120246304.1U CN202120246304U CN215443646U CN 215443646 U CN215443646 U CN 215443646U CN 202120246304 U CN202120246304 U CN 202120246304U CN 215443646 U CN215443646 U CN 215443646U
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- air defense
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- fixing frame
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Abstract
The utility model relates to a self-locking door opener for an underground civil air defense door, and belongs to the technical field of underground civil air defense systems. The civil air defense door is arranged in a door plate wall, a side wall is arranged on one side of the civil air defense door, a worm wheel and a worm which are matched with each other are arranged on the civil air defense door, the worm wheel is connected with a gear through a worm wheel shaft, a rack which is meshed with the gear is arranged on one side of the gear, the first end of the rack is hinged with the door plate wall, an adjusting groove is formed in the side wall, a side wall hinge seat is arranged in the adjusting groove, and the side wall hinge seat is hinged with the second end of the rack; the worm wheel shaft is connected with the civil air defense door through a worm wheel shaft fixing frame; a vertical fixing groove is formed in the civil air defense door, a worm fixing frame is arranged in the fixing groove, the worm fixing frame can slide along the fixing groove, and the worm is fixed in the worm fixing frame. The utility model realizes self-locking in the door opening process, realizes slow and self-locking door opening, and ensures the controllability and safety of door opening.
Description
Technical Field
The utility model relates to a self-locking door opener for an underground civil air defense door, and belongs to the technical field of underground civil air defense systems.
Background
Underground civil air defense engineering, called civil air defense work for short, refers to underground protective buildings which are independently built for guaranteeing shelter of war personnel and materials, civil air defense command and medical aid, and basements which are built by combining ground buildings and can be used for air defense in war. The civil air defense engineering is an important facility for preventing enemies from attacking suddenly and preserving the war potential; the method is an engineering guarantee for adhering to town battles and supporting anti-aggression wars to victory for a long time. Civil air defense engineering comprises underground protective buildings which are independently built for guaranteeing personnel and material shelter, civil air defense command, medical aid and the like in wartime, and basements which are built by combining the ground buildings and can be used for air defense in wartime. The civil air defense engineering has the functions of preventing toxic gas, preventing explosion shock waves and effectively shielding personnel and materials.
The civil air defense door is a door of a civil air defense project entrance and exit, and the civil air defense door has to meet the requirements of tightness and protection. The prior civil air defense door has the following technical defects:
in order to meet the requirement of explosion-proof shock waves, the civil air defense door has large weight, great labor is required for opening and closing the door, the door opening speed cannot be well controlled, and particularly, when the external environment is not completely determined, the self-locking door opening state cannot be realized; if outside atmospheric pressure or impact pressure are very big, people's air defense door can open down soon and become very big, is a danger to opening a door operating personnel, also leaks poisonous and harmful substance easily and gets into the basement.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the self-locking door opener overcomes the defects of the prior art, provides the self-locking door opener for the underground person protective door, realizes self-locking in the door opening process, realizes slow and self-locking door opening, and ensures the controllability and the safety of the door opening.
The utility model relates to a self-locking door opener for an underground civil air defense door, which comprises a civil air defense door, wherein the civil air defense door is arranged in a door plate wall, one side of the civil air defense door is provided with a side wall, the civil air defense door is provided with a worm wheel and a worm which are matched with each other, the worm wheel is connected with a gear through the worm wheel shaft, one side of the gear is provided with a rack which is meshed with the gear, the first end of the rack is hinged with the door plate wall, the side wall is provided with an adjusting groove, a side wall hinge seat is arranged in the adjusting groove, and the side wall hinge seat is hinged with the second end of the rack;
the worm wheel shaft is connected with the civil air defense door through a worm wheel shaft fixing frame;
a vertical fixing groove is formed in the civil air defense door, a worm fixing frame is arranged in the fixing groove, the worm fixing frame can slide along the fixing groove, and the worm is fixed in the worm fixing frame.
Working process or working principle:
when the door needs to be opened, the worm is shaken by hands to drive the worm wheel to rotate, the worm wheel rotates to drive the gear to rotate, and the gear is meshed with the rack, so that the civil air defense door is driven to be opened. The adjustment tank can be along with the degree that people's air defense door was opened, and the rack position is adjusted, realizes that people's air defense door opens the door.
The worm has self-locking function itself, and the people's air defense door can not open suddenly, and control people's air defense door that can be fine is opened slowly, has both guaranteed the safety of opening the door, also can prevent that people's air defense door from opening suddenly, and poisonous harmful substance gets into in a large number, also can keep the locking state when people's air defense door closes.
When the door needs to be closed, the worm is pushed upwards, the worm and the gear are separated, and the door is closed.
Preferably, the back of the rack is provided with a sliding groove, a sliding block is arranged in the sliding groove, the bottom of the sliding block is provided with a connecting rod, the other end of the connecting rod is provided with a cross rod, the other end of the cross rod is provided with a vertical shaft, and the vertical shaft is inserted into the worm wheel shaft.
Preferably, a stop block is arranged in the fixing groove, the stop block is arranged above the worm, a transverse groove is formed in one side of the upper portion of the fixing groove, and the stop block can slide into the transverse groove. The dog can effectively chucking worm in the fixed slot, ensures that the worm is fixed firm, ensures that the worm gear transmission is reliable.
Preferably, a handle is arranged in the middle of the stop block; corresponding to the transverse groove, a handle groove is formed in the civil air defense door and used for accommodating a handle.
Preferably, the worm gear shaft is connected with the worm gear shaft fixing frame through a bearing A; the worm fixing frame comprises a worm fixing frame A and a worm fixing frame B, the worm fixing frame A is connected with the first end of the worm through a bearing B, and the worm fixing frame B is connected with the second end of the worm through a bearing C.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, through the arrangement of the worm and gear, the rack and gear and the adjusting groove, the self-locking door opening of the civil air defense door is realized, the slow one-way door opening can be well controlled, the door opening safety is ensured, the toxic and harmful substances can be effectively prevented from suddenly and greatly rushing in, and the locking state can be kept when the civil air defense door is closed.
2. Through setting up sliding tray, slider, connecting rod, horizontal pole and vertical axis, ensure gear and rack effective meshing, ensure that people's air defense door can slowly open the door in controllable, guarantee the safety of opening the door.
3. Through setting up dog and handle, can ensure that the worm is connected more firmly with the people's air defense door, ensure that the transmission is more reliable.
Drawings
FIG. 1: a schematic structural diagram of an embodiment of the present invention,
FIG. 2: in the top view of figure 1 of the drawings,
FIG. 3: a schematic view of a three-dimensional structure of the side wall,
FIG. 4: the cross-sectional structure of the side wall is schematically shown,
FIG. 5: a schematic view of a three-dimensional structure of a door panel wall,
FIG. 6: one of the three-dimensional structural diagrams of the rack,
FIG. 7: a second schematic view of the three-dimensional structure of the rack,
FIG. 8: the sectional structure of the rack is schematically shown,
FIG. 9: the structure of the worm is a schematic view,
FIG. 10: the structure of the worm wheel is schematically shown,
FIG. 11: the cross-sectional structural schematic diagram of the civil air defense door,
FIG. 12: the sectional structure of A-A in FIG. 11 is schematically shown.
In the figure: 1. The side wall 2, the door panel wall 3, the rack 4, the gear 5, the civil air defense door 6, the worm 7 and the worm wheel;
1.1, a side wall hinge seat 1.2 and an adjusting groove;
2.1, hinging a door panel wall seat;
3.1, a sliding groove 3.2, a connecting rod 3.3, a cross rod 3.4, a vertical shaft 3.5, a sliding block 3.6, a hinge A3.7 and a hinge B;
5.1, a worm wheel shaft fixing frame 5.2, a stop block 5.3, a handle 5.4, a worm fixing frame A5.5, a fixing groove 5.6, a handle groove 5.7, a worm fixing frame B5.8 and a transverse groove;
6.1, a crank;
7.1, worm gear shaft.
Detailed Description
The technical solution in the embodiments of the present invention will be further clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention:
example 1
As shown in fig. 1 to 10, the self-locking type door opening device for the underground civil air defense door comprises a civil air defense door 5, wherein the civil air defense door 5 is arranged in a door panel wall 2, a side wall 1 is arranged on one side of the civil air defense door 5, a worm wheel 7 and a worm 6 which are matched with each other are arranged on the civil air defense door 5, the worm wheel 7 is connected with a gear 4 through a worm wheel shaft 7.1, one side of the gear 4 is provided with a rack 3 which is meshed with the gear, a first end of the rack 3 is hinged with the door panel wall 2, an adjusting groove 1.2 is formed in the side wall 1, a side wall hinge seat 1.1 is arranged in the adjusting groove 1.2, and the side wall hinge seat 1.1 is hinged with a second end of the rack 3; be equipped with door panel wall hinge seat 2.1 on the door panel wall 2, 3 first ends of rack are equipped with hinge A3.6, and 3 second ends of rack are equipped with hinge B3.7, hinge A3.6 hinge door panel wall hinge seat 2.1, hinge B3.7 hinge side wall hinge seat 1.1. The door panel wall and the side wall are arranged perpendicularly usually, and the door panel wall and the side wall are civil air defense walls which are consistent in structure and only used for distinguishing whether the wall is used for installing the civil air defense door or not, so that the expression is convenient.
The worm wheel shaft 7.1 is connected with the civil air defense door 5 through a worm wheel shaft fixing frame 5.1;
a vertical fixing groove 5.5 is formed in the civil air defense door 5, a worm fixing frame is arranged in the fixing groove 5.5, the worm fixing frame can slide along the fixing groove 5.5, and the worm 6 is fixed in the worm fixing frame.
The back of the rack 3 is provided with a sliding groove 3.1, a sliding block 3.5 is arranged in the sliding groove 3.1, the bottom of the sliding block 3.5 is provided with a connecting rod 3.2, the other end of the connecting rod 3.2 is provided with a cross rod 3.3, the other end of the cross rod 3.3 is provided with a vertical shaft 3.4, and the vertical shaft 3.4 is inserted into a worm wheel shaft 7.1.
A stop block 5.2 is arranged in the fixing groove 5.5, the stop block 5.2 is arranged above the worm 6, a transverse groove 5.8 is formed in the upper portion of the fixing groove 5.5 towards one side, and the stop block 5.2 can slide into the transverse groove 5.8.
A handle 5.3 is arranged in the middle of the stop block 5.2; corresponding to the transverse groove 5.8, a handle groove 5.6 is arranged on the civil air defense door 5 and used for accommodating the handle 5.3.
The worm gear shaft 7.1 is connected with the worm gear shaft fixing frame 5.1 through a bearing A; the worm fixing frame comprises a worm fixing frame A5.4 and a worm fixing frame B5.7, the first end of the worm fixing frame A5.4 is connected with the first end of the worm 6 through a bearing B, and the second end of the worm fixing frame B5.7 is connected with the second end of the worm 6 through a bearing C.
Working process or working principle:
when needing to open the door, be equipped with crank 6.1 on the worm 6, hold crank 6.1, wave worm 6 with the hand and drive worm wheel 7 and rotate, worm wheel 7 rotates, drives gear 4 and rotates, and gear 4 and rack 3 mesh, along with the degree that people's air defense door 5 was opened, the articulated seat of side wall 1.1 slides in adjustment tank 1.2, and people's air defense door 5 opens gradually.
The worm 6 has self-locking function itself, and people's air defense door 5 can not open suddenly, and control people's air defense door 5 that can be fine is opened slowly, has both guaranteed the safety of opening the door, also can prevent that people's air defense door from opening suddenly, and poisonous harmful substance gets into in a large number, also can keep the locking state when people's air defense door closes.
The sliding groove 3.1, the sliding block 3.5, the connecting rod 3.2, the cross rod 3.3 and the vertical shaft 3.4 ensure that the gear 4 and the rack 3 are effectively meshed.
When the door needs to be closed, the worm 6 is pushed upwards, the worm wheel 7 and the worm 6 are separated, and the door is closed.
And a group of self-locking door opening devices for the underground civil air defense door can be reversely arranged on the door panel wall, the side wall and the civil air defense door, and are used for realizing self-locking door closing. Firstly, a worm 6 for closing the door is pushed downwards, and a worm gear is matched with the worm; then the worm 6 for opening the door is pushed upwards, and the worm wheel 7 and the worm 6 are separated; then, a crank handle for closing the door is shaken to realize self-locking door closing.
The description of the directions and the relative position relationship of the structures in the present invention, such as the description of the front, the back, the left, the right, the upper and the lower, does not limit the present invention, and is only for the convenience of description.
Claims (5)
1. The self-locking type door opening device for the underground civil air defense door comprises a civil air defense door (5), wherein the civil air defense door (5) is arranged in a door plate wall (2), and one side of the civil air defense door (5) is provided with a side wall (1), and is characterized in that a worm wheel (7) and a worm (6) which are matched with each other are arranged on the civil air defense door (5), the worm wheel (7) is connected with a gear (4) through a worm wheel shaft (7.1), one side of the gear (4) is provided with a rack (3) which is meshed with the gear, the first end of the rack (3) is hinged with the door plate wall (2), an adjusting groove (1.2) is formed in the side wall (1), a side wall hinge seat (1.1) is arranged in the adjusting groove (1.2), and the side wall hinge seat (1.1) is hinged with the second end of the rack (3);
the worm wheel shaft (7.1) is connected with the civil air defense door (5) through a worm wheel shaft fixing frame (5.1);
a vertical fixing groove (5.5) is formed in the civil air defense door (5), a worm fixing frame is arranged in the fixing groove (5.5), the worm fixing frame can slide along the fixing groove (5.5), and the worm (6) is fixed in the worm fixing frame.
2. The self-locking type door opening device for the underground civil air defense door according to claim 1, characterized in that a sliding groove (3.1) is formed in the back of the rack (3), a sliding block (3.5) is arranged in the sliding groove (3.1), a connecting rod (3.2) is arranged at the bottom of the sliding block (3.5), a cross rod (3.3) is arranged at the other end of the connecting rod (3.2), a vertical shaft (3.4) is arranged at the other end of the cross rod (3.3), and the vertical shaft (3.4) is inserted into a worm wheel shaft (7.1).
3. The self-locking type door opening device for the underground civil air defense door according to the claim 1 or 2, characterized in that a stop block (5.2) is arranged in the fixing groove (5.5), the stop block (5.2) is arranged above the worm (6), a transverse groove (5.8) is arranged on one side of the upper part of the fixing groove (5.5), and the stop block (5.2) can slide into the transverse groove (5.8).
4. The self-locking type door opening device for the underground civil air defense door according to claim 3, characterized in that the middle part of the stop block (5.2) is provided with a handle (5.3); corresponding to the transverse groove (5.8), a handle groove (5.6) is arranged on the civil air defense door (5) and used for accommodating the handle (5.3).
5. The self-locking type door opening device for the underground civil air defense door according to claim 3, characterized in that the worm gear shaft (7.1) is connected with the worm gear shaft fixing frame (5.1) through a bearing A; the worm fixing frame comprises a worm fixing frame A (5.4) and a worm fixing frame B (5.7), the first end of the worm fixing frame A (5.4) is connected with the first end of the worm (6) through a bearing B, and the second end of the worm fixing frame B (5.7) is connected with the second end of the worm (6) through a bearing C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120246304.1U CN215443646U (en) | 2021-01-28 | 2021-01-28 | Self-locking door opener for underground civil air defense door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120246304.1U CN215443646U (en) | 2021-01-28 | 2021-01-28 | Self-locking door opener for underground civil air defense door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215443646U true CN215443646U (en) | 2022-01-07 |
Family
ID=79701194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120246304.1U Active CN215443646U (en) | 2021-01-28 | 2021-01-28 | Self-locking door opener for underground civil air defense door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215443646U (en) |
-
2021
- 2021-01-28 CN CN202120246304.1U patent/CN215443646U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230720 Address after: Room 502, Unit 3, Building 5, Jinhuali, Yingchun Road, Guangyang District, Langfang, Hebei Province 065000 Patentee after: Chen Weizhe Address before: 255000 0402, unit 2, building 47, Xiangrui garden, Huaguang Road, Zhangdian District, Zibo City, Shandong Province Patentee before: Fan Zhen |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230803 Address after: Room 808, 8th floor, Unit 1, Building 13-14, Kaiyue Garden, Guangyang District, Langfang City, Hebei Province, 065000 Patentee after: Zhongdaoyuan Construction Co.,Ltd. Address before: Room 502, Unit 3, Building 5, Jinhuali, Yingchun Road, Guangyang District, Langfang, Hebei Province 065000 Patentee before: Chen Weizhe |
|
| TR01 | Transfer of patent right |