CN211874308U - Automatic locking civil air defense door - Google Patents

Automatic locking civil air defense door Download PDF

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Publication number
CN211874308U
CN211874308U CN202020070163.8U CN202020070163U CN211874308U CN 211874308 U CN211874308 U CN 211874308U CN 202020070163 U CN202020070163 U CN 202020070163U CN 211874308 U CN211874308 U CN 211874308U
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China
Prior art keywords
door
supporting leg
sensor
main door
signal
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CN202020070163.8U
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Chinese (zh)
Inventor
姜建锋
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Shanghai Huifeng Civil Air Defense Engineering Equipment Co ltd
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Shanghai Huifeng Civil Air Defense Engineering Equipment Co ltd
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Priority to CN202020070163.8U priority Critical patent/CN211874308U/en
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Abstract

The utility model relates to an automatic people's air defense door of locking, including a door body, door frame, rely on between the door body and the door frame to rotate coupling assembling and be connected, the door body is including all rotating main door, the side door that sets up in the door frame both sides, the fixed locking device who makes the automatic locking of a body that is provided with on the main door, locking device closes the signal of opening and the electric installation of transmitting this signal, turns into the transmission of concrete motion with the signal of transmission including receiving the door body, electric installation control transmission locks main door and side door. The utility model discloses have and lock through electric actuator, need not to carry out the effect operated through the manual work.

Description

Automatic locking civil air defense door
Technical Field
The utility model belongs to the technical field of the people's air defense door technique and specifically relates to an automatic people's air defense door of locking is related to.
Background
The civil air defense door is a door at an entrance and an exit of civil protection engineering and is provided with various civil air defense devices such as a common protective airtight door, a movable doorsill protective airtight door and the like.
At present, in the prior art, in a chinese patent document with an authority bulletin No. CN204283132U, a multifunctional civil air defense door is described, including a door frame, a door panel, the door frame and the door panel are connected by hinge rotation, a rotating wheel is provided on the door panel, one side of the rotating wheel close to the door panel is fixedly provided with a rotating shaft, one end of the rotating shaft far away from the rotating wheel is fixedly provided with a gear, the door panel is located at the gear and fixedly provided with a rack, a pull rod is fixedly provided on the rack, catching grooves are provided on two sides of the door frame, two ends of the pull rod are respectively located in the catching grooves on two sides of the door frame, a fixing seat is respectively fixed on two sides of the rotating wheel, two ends of the fixing seat are respectively provided with a linkage rod in a hinged manner, a bolt is arranged at the end of the linkage rod in a hinged manner, the.
The following defect exists in the above-mentioned current design, and when locking the door plant, the people can only drive the pull rod through controlling rotatory carousel and make lateral shifting, and the gangbar drives the keeper and uses the carousel to be rotary motion as the center, and when rotatory certain angle, the head of keeper inserts the keeper draw-in groove that is located the both sides door frame to locking people's air defense door, comparatively difficultly in the use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an automatic people's air defense door of locking, it has and locks through electric actuator, need not to carry out the effect operated through the manual work to the not enough of prior art existence.
The above object of the present invention can be achieved by the following technical solutions:
the utility model provides an automatic people's air defense door of locking, includes a body, door frame, rely on between the body and the door frame to rotate coupling assembling and be connected, the body is including all rotating main door, the side door that sets up in the door frame both sides, the fixed locking device who makes the automatic locking of a body that is provided with on the main door, locking device closes the signal of opening and the electrical apparatus who transmits this signal, turns into the transmission of concrete motion with the signal of transmission including receiving a body, electrical apparatus control transmission locks main door and side door.
Through adopting above-mentioned technical scheme, through fixed electrical apparatus and the transmission that sets up on the door body, electrical apparatus control transmission, electrical apparatus received signal to turning into steerable transmission's control signal with received signal, transmission receives control signal, makes transmission make the action, locks main door and side, has solved the tradition and has removed the trouble of locking the door with the hand, labour saving and time saving.
The present invention may be further configured in a preferred embodiment as: the electric appliance device comprises a control unit, a sensor and an execution unit, wherein a lock groove is formed in the side door, the transmission device comprises a spring bolt which is closed or opened by matching with the lock groove in the side door, and a reel which drives the spring bolt to rotate and connect a rope, a winding rope or release and connect the rope, the execution unit comprises a motor which drives the reel to rotate, the spring bolt is connected with the main door in a rotating way, when the main door and the side door are closed, the sensor receives a closing signal and transmits the signal to the controller, the controller controls the motor to work, the rope is connected by winding the reel in a winding way, and one end of the spring bolt is connected with the lock groove in an inserting way.
Through adopting above-mentioned technical scheme, given electrical apparatus and transmission's concrete structure, sensor contact signal gives the control unit with the signal of telecommunication transmission, and the control unit turns into control signal transmission and gives the motor, makes the motor motion, and the pivot of motor is rotated and is driven the reel and rotate, and the reel rotates and drive and connect the rope to door body top motion, makes the spring bolt rotate, and the spring bolt is kept away from the one end of connecting the rope and is set up the locked groove looks joint on the side door, realizes the locking of the door body.
The present invention may be further configured in a preferred embodiment as: the sensors comprise a first sensor and a second sensor; the first sensor is fixed to be set up on the main door, the second sensor is fixed to be set up in one side that the side door is close to the main door, first sensor and second sensor are relative and when conflicting each other, the signal of telecommunication that the control unit received the sensor and sent.
Through adopting above-mentioned technical scheme, first sensor and the relative setting of second sensor, when first sensor contradicts each other with the second sensor, the sensor sends the signal of telecommunication to the control unit, and the control unit turns into control signal control motor with the signal of telecommunication and rotates, and motor drive reel rotates, makes and connects the rope rolling, drives the spring bolt and locks, has solved the tradition and has removed the problem of closing the people's air defense door with the hand.
The present invention may be further configured in a preferred embodiment as: the bottom of main door has seted up an installation cavity, the main door is located the fixed support piece that is used for supporting the main door that is provided with of installation cavity, support piece includes the supporting leg, the supporting leg can be followed main door direction of height and moved up, the fixed locating part that is used for carrying out the location to the supporting leg that stretches out behind the main door bottom that is provided with on the main door, under the state that the main door was opened, the supporting leg after the location is fixed contradicts with ground.
Through adopting above-mentioned technical scheme, set up support piece in door body bottom, the back is opened to the main door, carries on spacingly with the locating part on the support piece, makes the supporting leg stretch out the length of main door bottom unchangeable, has avoided the main door under long-time unsettled state, and the rotation coupling assembling that sets up between main door and the door frame receives the influence of main door gravity and produces the deformation, influences opening and closing of the door body.
The present invention may be further configured in a preferred embodiment as: the locating part is including setting up gag lever post on the supporting leg, setting up the constant head tank on the door body, the gag lever post sets up in the constant head tank, the gag lever post slides on the constant head tank direction of height, the bottom of constant head tank seted up with gag lever post joint complex location mouth, the gag lever post rotates to carrying out the joint in order to realize the location to the supporting leg in the constant head tank bottom to the location mouth.
Through adopting above-mentioned technical scheme, given the concrete structure of locating part, the gag lever post removes along the spacing groove direction of height, has realized that the supporting leg can slide on the mounting groove direction of height, and the gag lever post carries out the joint with the location mouth, has realized stretching out the injecing of the length of a body to the supporting leg.
The present invention may be further configured in a preferred embodiment as: be provided with the elastic component on the supporting leg, the supporting leg relies on the elastic component to carry out elastic expansion, the elastic component includes the spring, the one end of spring is contradicted with the bottom of installation cavity, and the other end is contradicted with the one end that the installation cavity bottom was kept away from to the supporting leg, the supporting leg drives the spring and stretches out and draws back.
Through adopting above-mentioned technical scheme, give the concrete structure of elastic component, the one end of spring is contradicted with the bottom of installation cavity, and the one end of installation cavity bottom is kept away from to the other end and supporting leg is contradicted, and when the supporting leg slided to door body bottom along the installation cavity, the spring can be compressed at this moment, and when gag lever post and location mouthful joint, the spring was applyed an elasticity to door body top to the gag lever post utensil, made gag lever post and the inseparable conflict of location mouth fix a position, prevented that the gag lever post accident from deviating from in the location mouth from appearing.
The present invention may be further configured in a preferred embodiment as: the rotation connecting assembly comprises a rotation positioning block and a rotating shaft, the rotation positioning block comprises a first rotation positioning block and a second rotation positioning block, the first rotation positioning block is fixedly arranged on the door body, the second rotation positioning block is fixedly arranged on the door frame, a rotation hole is formed in the rotation positioning block, and the rotating shaft is rotatably connected with the rotation hole.
Through adopting above-mentioned technical scheme, given the concrete structure of rotating coupling assembling, set up the second on the door frame and rotate the locating piece with the first rotation that sets up on the door body and rotate the connection through the pivot, realized the rotation between the door body and the door frame.
The present invention may be further configured in a preferred embodiment as: the pivot can be dismantled fixedly and set up in the pivoted hole, the fixed separation blade that is provided with of one end of pivot, the fixed spacing groove that is provided with of the other end, the pivot is located card spacing groove department and is provided with and is used for with spacing groove fixed complex locating part, the axial displacement of locating part restriction pivot.
Through adopting above-mentioned technical scheme, given the concrete structure of pivot, be provided with spacing groove and locating part in the one end of pivot, the other end sets up the separation blade, and the axial displacement of spacing groove, locating part and separation blade restriction pivot jointly, locating part and spacing groove carry out the joint, have realized dismantling of pivot, make things convenient for the dismantlement and the installation of the door body, the later stage door frame of being convenient for maintenance and change.
To sum up, the utility model discloses a following at least one useful technological effect:
1. through fixed electrical apparatus and the transmission that sets up on the door body, electrical apparatus control transmission, electrical apparatus received signal to turning into received signal steerable transmission's control signal, transmission receives control signal, makes transmission make the action, locks main door and side, has solved the tradition and has removed the trouble of locking the door with the hand, labour saving and time saving.
2. Be provided with the elastic component on the supporting leg, the supporting leg relies on the elastic component to carry out elastic expansion, the elastic component includes the spring, the one end of spring is contradicted with the bottom of installation cavity, and the other end is contradicted with the one end that the installation cavity bottom was kept away from to the supporting leg, the supporting leg drives the spring and stretches out and draws back.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1, which mainly shows the structure of the locking groove;
fig. 3 is a cross-sectional view of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 3;
fig. 5 is an exploded view of the rotating connecting assembly of the present invention;
fig. 6 is an exploded view of the middle bolt of the present invention.
Reference numerals: 1. a door body; 11. a main door; 12. a side door; 2. a door frame; 21. a fixing hole; 3. rotating the connecting assembly; 31. rotating the positioning block; 32. a first rotating positioning block; 33. a second rotary positioning block; 34. rotating the hole; 35. a first rotation hole; 36. a second rotation hole; 37. a rotating shaft; 38. a shaft body; 39. a limiting groove; 30. a limiting member; 4. a motor; 41. a winding wheel; 42. winding a wire groove; 43. connecting ropes; 5. a latch bolt; 51. a through hole; 52. a through hole; 53. a bearing; 6. a locking block; 61. locking the groove; 7. a sensor; 71. a first sensor; 72. a second sensor; 8. supporting legs; 801. a limiting part; 802. an installation part; 803. a support portion; 81. a mounting cavity; 82. positioning a groove; 83. a limiting rod; 830. a connecting portion; 831. a clamping part; 9. a spring; 91. a universal wheel; 10. and a controller.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Combine figure 1, do the utility model discloses a people's air defense door, including the door body 1, door frame 2, be provided with between the door body 1 and the door frame 2 and rotate coupling assembling 3.
As shown in fig. 1 and 4, the rotating connection assembly 3 includes a rotating shaft 37 and a rotating positioning block 31, the rotating positioning block 31 includes a first rotating positioning block 32 and a second rotating positioning block 33, the first rotating positioning block 32 is fixedly disposed on the door body 1, the second rotating positioning block 33 is fixedly disposed on the door frame 2, a rotating hole 34 is disposed on the rotating positioning block 31, the rotating hole 34 includes a first rotating hole 35 and a second rotating hole 36, the first rotating hole 35 is disposed on the first rotating positioning block 32, and the second rotating hole 36 is disposed on the second rotating positioning block 33.
As shown in fig. 1 and 4, the rotating shaft 37 includes a shaft body 38 and a limiting member 30, the shaft body 38 is connected with the limiting member 30 in a snap manner, a stopper 381 is integrally formed at one end of the shaft body 38, the cross section of the stopper 381 is circular, the diameter of the stopper 381 is larger than that of the rotating hole 34, a limiting groove 39 is concavely formed on the circumferential surface of the end portion of the other end toward the axis, one end of the shaft body 38 having the limiting groove 39 sequentially penetrates through the first rotating hole 35 and the second rotating hole 36, the limiting member 30 is connected to the limiting groove 39 in a snap manner, and the rotating shaft 37 is prevented from accidentally slipping out of.
As shown in fig. 1, the door body 1 includes a main door 11, a side door 12, a motor 4 is fixedly arranged on the main door 11, a winding wheel 41 is fixedly arranged at one end of a rotating shaft 37 of the motor 4, which deviates from the motor 4, a winding groove 42 is formed in the periphery of the side surface of the winding wheel 41, a connecting rope 43 is fixedly arranged in the winding groove 42, a bolt 5 is fixedly arranged at one end of the connecting rope 43, which is far away from the winding wheel 41, the bolt 5 is rectangular, the bolt 5 is arranged at one end of the main door 11, which is far away from the motor 4, a through hole 51 is formed in one end of the bolt 5, and the connecting rope 43 passes through the.
As shown in fig. 1 and 5, a through hole 52 is formed in the center of the latch bolt 5, a bearing 53 is fixedly disposed at the position of the latch bolt 5 located in the through hole 52, a rotating shaft 37 is fixedly disposed at the position of the bearing 53 of the latch bolt 5, one end of the rotating shaft 37 is fixedly connected with the bearing 53, the other end of the rotating shaft is fixedly connected with the main door 11, a locking block 6 is fixedly disposed at a position on the side door 12 corresponding to the position of the latch bolt 5, the longitudinal section of the locking block 6 is L-shaped, and a locking groove 61 is formed between the locking block 6 and the outer wall of the side door.
As shown in fig. 1, a sensor 7 is fixedly arranged on a door body 1, the sensor 7 includes a first sensor 71 and a second sensor 72, the first sensor 71 is fixedly arranged on the top corner of a main door 11 close to a side door 12, the second sensor 72 is fixedly arranged on the side door 12 corresponding to the first sensor 71, a controller 10 is fixedly arranged at the center position of the main door 11, the controller 10 is electrically connected with the sensor 7, the controller 10 receives an electric signal of the sensor, the controller 10 is electrically connected with a motor 4, the controller 10 receives the electric signal transmitted by a contact switch, converts the transmitted electric signal into a command and transmits the command to the motor 4, when the contact switch is in contact with a door frame 2, the controller gives a forward rotation command to the motor 4, the motor 4 rotates forward to drive a winding wheel 41 to rotate forward to wind a connecting rope 43 into a winding slot 42, when the contact switch is separated from the door frame 2, the controller 10 gives a reverse rotation command to the motor 4 and the motor 4 reverses to release the connecting cord 43 from the cord slot 42.
As shown in fig. 1 and 3, the main door 11 is located the fixed support piece that is provided with in bottom, support piece includes supporting leg 8, set up installation cavity 81 that is used for installing supporting leg 8 on the main door 11, installation cavity 81 sets up on the main door 11 direction of height, a constant head tank 82 has been seted up to the lateral wall of main door 11 department that is located installation cavity 81, constant head tank 82 sets up on the direction of height of main door 11 along, constant head tank 82 intercommunication installation cavity 81 and external world, the bottom side of constant head tank 82 sets up a constant head stock 821 towards side door 12 direction on, constant head stock 821 and constant head stock 82 intercommunication set up, a rotation hole 34 has been seted up to the bottom of installation cavity 81.
As shown in fig. 1 and 3, the supporting leg 8 is a cylinder, the supporting leg 8 includes a limiting portion 801, an installation portion 802, and a supporting portion 803, the limiting portion 801 is disposed at an intermediate position of the supporting leg 8, one end of the limiting portion 801 and the installation portion 802 are integrally formed, the other end and the supporting portion 803 are integrally formed, the diameter of the limiting portion 801 is larger than the diameters of the supporting portion 803 and the installation portion 802, a limiting rod 83 is fixedly disposed on an outer wall of the limiting portion 801, the limiting rod 83 is disposed in an L shape, and the limiting rod 83 extends out of the limiting groove 39.
As shown in fig. 2 and 3, the supporting leg 8 is located the installation portion 802 and is equipped with a spring 9, one end of the spring 9 is fixedly connected with the bottom surface of the installation cavity 81, the other end is fixedly connected with the bottom surface of the limiting portion 801, the supporting leg 8 is far away from the fixed universal wheel 91 arranged at one end of the sleeve, and the door frame 2 is provided with a fixing hole 21 which is matched with the supporting leg 8 in a positioning manner and is inwards sunken at a position corresponding to the universal wheel 91.
The utility model discloses an implement the principle and do: when the contact switch is in contact with the door frame 2, the control unit gives a forward rotation command to the motor 4, the motor 4 drives the winding wheel 41 to rotate forward to wind the connecting rope 43 into the winding groove 42, the connecting rope 43 drives one end of the bolt 5 to rotate towards the top of the door body 1 along the rotating shaft 37, the other end of the bolt 5 rotates towards the bottom of the door body 1 along the rotating shaft 37, when one end of the bolt 5, which is far away from the connecting rope 43, rotates into the locking groove 61 to lock the door, the limiting rod 83 is stepped down towards the bottom of the door body 1 by feet to move to the bottom of the limiting groove 39, one end of the supporting leg 8, which is close to the universal wheel 91, extends into the fixed hole 21, then the limiting rod 83 is rotated to enable the connecting part 830 and the clamping part 831 of the limiting rod 83 to rotate towards one end of the positioning opening 821 to clamp the limiting rod 83 into the positioning opening 821 to realize second locking of the door body 1, and when the door body 1, the spring 9 is relaxed to urge the support bar 8 to move toward the top of the main door 11, urging the support bar 8 to return to the initial position.
When the contact switch is separated from the door frame 2, the control unit gives a reverse rotation command to the motor 4, the motor 4 reversely rotates to enable the winding wheel 41 to reversely rotate, the connecting rope 43 is wound out of the winding groove 42, one end, close to the connecting rope 43, of the bolt 5 rotates towards the bottom of the door body 1 under the action of self gravity, and the other end of the bolt 5 reversely rotates along the rotating shaft 37 to return to a static state.
When the door needs to be supported, the limiting rod 83 is stepped on the bottom of the door body 1 by feet, the limiting rod is moved to the bottom of the limiting groove 39, then the limiting rod 83 is rotated, the connecting portion 830 and the clamping portion 831 of the limiting rod 83 are rotated to one end of the positioning opening 821, the limiting rod 83 is clamped in the positioning opening 821, and the door body is supported.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides an automatic people's air defense door of locking, includes a body (1), door frame (2), rely on between the body (1) and the door frame (2) to rotate coupling assembling (3) and be connected, the body (1) is including all rotating main door (11), side door (12) that set up in door frame (2) both sides, its characterized in that: the locking device is characterized in that the main door (11) is fixedly provided with a locking device which enables the door body (1) to be automatically locked, the locking device comprises an electrical device which receives a signal of closing or opening the door body (1) and transmits the signal, and a transmission device which converts the transmitted signal into specific movement, and when the door body is closed, the electrical device controls the transmission device to automatically lock the main door (11) and the side door (12).
2. An automatically locking personal security door as claimed in claim 1, wherein: the electrical apparatus includes the control unit, sensor (7), execution unit, be provided with locked groove (61) on side door (12) transmission includes and closes or open lock tongue (5), the drive lock tongue (5) pivoted of side door (12) and connect reel (41) of rope (43), rolling or release connection rope (43) with the cooperation of locked groove (61) on side door (12), execution unit includes drive reel (41) pivoted motor (4), lock tongue (5) rotate with main door (11) and are connected, and when main door (11) and side door (12) were closed, the signal of closing was received in sensor (7) to give the control unit with signal transmission, control unit control motor (4) work, connect rope (43) through reel (41) rolling, make the one end and the locked groove (61) cooperation of pegging graft of lock tongue (5).
3. An automatically locking personal security door as claimed in claim 2, wherein: the sensor (7) comprises a first sensor (71), a second sensor (72); first sensor (71) are fixed to be set up on the main door (11), second sensor (72) are fixed to be set up in one side that side door (12) are close to main door (11), when first sensor (71) and second sensor (72) are relative and conflict each other, the signal of telecommunication that control unit received sensor (7) and sent to motor (4) send control signal, make motor (4) drive reel (41) rolling connection rope (43).
4. An automatically locking civil air defense door according to claim 3, characterized in that: an installation cavity (81) has been seted up to the bottom of main door (11), main door (11) are located installation cavity (81) internal fixation and are provided with the support piece that is used for supporting main door (11), support piece includes supporting leg (8), main door (11) direction of height upward movement can be followed to supporting leg (8), main door (11) are gone up the fixed locating part (30) that are used for carrying out the location to supporting leg (8) after stretching out main door (11) bottom, and under the state that main door (11) were opened, supporting leg (8) after the location is fixed contradict with ground.
5. An automatically locking personal security door as claimed in claim 4, wherein: locating part (30) including set up gag lever post (83) on supporting leg (8), set up constant head tank (82) on the door body (1), gag lever post (83) set up in constant head tank (82), slide on gag lever post (83) along constant head tank (82) direction of height, the bottom of constant head tank (82) is seted up with gag lever post (83) joint complex location mouth (821), gag lever post (83) rotate to location mouth (821) in constant head tank (82) bottom and carry out the joint in order to realize the location to supporting leg (8).
6. An automatically locking personal security door as claimed in claim 4, wherein: be provided with the elastic component on supporting leg (8), supporting leg (8) rely on the elastic component to carry out elastic expansion, the elastic component includes spring (9), the one end of spring (9) is contradicted with the bottom of installation cavity (81), and the other end is contradicted with the one end that supporting leg (8) kept away from installation cavity (81) bottom, supporting leg (8) drive spring (9) and stretch out and draw back.
7. An automatically locking personal security door as claimed in claim 5, wherein: rotation coupling assembling (3) are including rotating locating piece (31), pivot (37), rotation locating piece (31) is including first rotation locating piece (32), second rotation locating piece (33), first rotation locating piece (32) is fixed to be set up on door body (1), second rotation locating piece (33) is fixed to be set up on door frame (2), be provided with rotation hole (34) on rotation locating piece (31), pivot (37) rotate with rotation hole (34) and be connected.
8. An automatically locking personal security door as claimed in claim 7, wherein: pivot (37) can be dismantled fixedly and set up in rotating hole (34), the fixed separation blade (381) that is provided with of one end of pivot (37), other end are fixed and are provided with spacing groove (39), pivot (37) are located card spacing groove (39) and locate to be provided with and are used for with spacing groove (39) fixed coordination locating part (30), the axial displacement of locating part (30) restriction pivot (37).
CN202020070163.8U 2020-01-13 2020-01-13 Automatic locking civil air defense door Active CN211874308U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020070163.8U CN211874308U (en) 2020-01-13 2020-01-13 Automatic locking civil air defense door

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Application Number Priority Date Filing Date Title
CN202020070163.8U CN211874308U (en) 2020-01-13 2020-01-13 Automatic locking civil air defense door

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Publication Number Publication Date
CN211874308U true CN211874308U (en) 2020-11-06

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Application Number Title Priority Date Filing Date
CN202020070163.8U Active CN211874308U (en) 2020-01-13 2020-01-13 Automatic locking civil air defense door

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114353241A (en) * 2021-12-28 2022-04-15 江苏兰谷环保科技股份有限公司 Machine is administered to big amount of wind of reasonable in design

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114353241A (en) * 2021-12-28 2022-04-15 江苏兰谷环保科技股份有限公司 Machine is administered to big amount of wind of reasonable in design

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