CN115504353B - Anti-theft door elevator convenient for rescue - Google Patents
Anti-theft door elevator convenient for rescue Download PDFInfo
- Publication number
- CN115504353B CN115504353B CN202211349670.5A CN202211349670A CN115504353B CN 115504353 B CN115504353 B CN 115504353B CN 202211349670 A CN202211349670 A CN 202211349670A CN 115504353 B CN115504353 B CN 115504353B
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- door
- clamping
- rod
- car
- push plate
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- 238000001125 extrusion Methods 0.000 claims description 29
- 238000000926 separation method Methods 0.000 claims description 9
- 238000009423 ventilation Methods 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/30—Constructional features of doors or gates
- B66B13/301—Details of door sills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Elevator Door Apparatuses (AREA)
Abstract
The invention relates to the field of elevator rescue, in particular to an anti-theft door elevator convenient for rescue, which comprises a car, wherein the car comprises a car top, a first car door and a second car door, a first clamping part is arranged in the first car door in a sliding manner, a second clamping part is arranged in the second car door, and the anti-theft door elevator further comprises: the telescopic mechanism is arranged in the car roof and used for driving the first clamping part to extend to the second car door, clamping the second clamping part in the second car door and pushing the second car door to move in a direction away from the first car door; and the separating mechanism is arranged on the second compartment door and is used for releasing the clamping connection between the first clamping component and the second clamping component. The first carriage door and the second carriage door can not move, so that the first carriage door and the second carriage door are locked, and a certain ventilation gap is reserved.
Description
Technical Field
The invention relates to the field of elevator rescue, in particular to an anti-theft door elevator convenient for rescue.
Background
When the elevator hovers at an intermediate floor between two floors, it is necessary to rescue trapped people from the interior of the elevator. When the elevator hovers between two floors, passengers push the car door from inside and climb out of the car door, but the elevator is still in an unstable state at the moment, and the elevator has the danger of falling down; it is therefore desirable to prevent trapped passengers from taking off the doors from the interior of the elevator. And if the door is completely closed during the stop operation of the elevator, the air circulation in the elevator car is low, and the ventilation effect in the elevator car is poor.
The prior Chinese patent discloses CN202122507299.8 (anti-theft device for elevator car door), which is characterized in that two car doors are locked by additionally arranging a locking mechanism to prevent people in an elevator from continuously taking off the doors, and simultaneously, voice broadcasting of a loudspeaker is used for reminding trapped people not to take off the doors, so that rescue workers arrive immediately, and psychological fear of the trapped people is relieved; the emergency lamp is used for emergency lighting, and the alarm plays a role in warning. However, the locking mechanism in this patent cannot reserve sufficient ventilation space when locked, making ventilation of the trapped elevator difficult.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an anti-theft door elevator convenient for rescue.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides an prevent taking off door elevator convenient to rescue, includes the car, the car includes sedan-chair top, first door and second door, and first door sliding is provided with first joint part, is provided with second joint part in the second door, still includes: the telescopic mechanism is arranged in the car roof and used for driving the first clamping part to extend to the second car door, clamping the second clamping part in the second car door and pushing the second car door to move in a direction away from the first car door; and the separating mechanism is arranged on the second compartment door and is used for releasing the clamping connection between the first clamping component and the second clamping component.
Preferably, the first clamping component comprises a clamping connection rod, a clamping connector positioned at one end of the clamping connection rod and a top block positioned at the other end of the clamping connection rod; the mounting groove is formed in the position of the first carriage door corresponding to the first clamping part, the limiting plate is arranged at the position of the mounting groove corresponding to the clamping rod, the clamping rod penetrates through the limiting plate and is in sliding fit with the limiting plate, and the top block cannot penetrate through the limiting plate.
Preferably, the telescopic mechanism comprises a telescopic rod and a vertical pushing plate arranged at the end part of the telescopic rod, and the pushing plate is rotationally connected to the telescopic rod through a pin; the position of the car roof corresponding to the telescopic rod is provided with a storage cavity, the position of the storage cavity corresponding to the push plate is provided with an extension opening, and one end of the push plate can penetrate out of the extension opening and extend into the mounting groove; the telescopic movement of the telescopic rod can drive the push plate to extend out of the extending opening or retract from the extending opening into the containing cavity.
Preferably, the telescopic mechanism is an electric telescopic rod.
Preferably, an elastic piece is arranged between the top block and the limiting plate.
Preferably, the elastic member is a spring.
Preferably, a vertical chute is formed in the position of the push plate corresponding to the pin, and the pin can slide up and down in the chute and rotate relative to the push plate; the lifting mechanism comprises a lifting rod, the middle part of the lifting rod is rotatably connected with the first carriage door, and one end of the lifting rod is provided with a lifting block for lifting the push plate so as to reset the first clamping component; the other end of the jacking rod is provided with a lap joint part; the second clamping component is provided with a pressing part which is in lap joint with the first clamping component, and the second clamping component is in clamping joint with the first clamping component in a downward moving mode; and when the second clamping component moves downwards, the pressing part is driven to press the lap joint part, so that one end of the jacking rod corresponding to the jacking block is tilted, and the push plate is jacked.
Preferably, the push plate is divided into an upper pushing part and a lower passing groove, and the pushing part is used for contacting with the first clamping component and pushing the first clamping component to move; the through groove is used for enabling the first clamping part to reset and pass.
Preferably, the second compartment door is provided with a clamping groove, and the second clamping component is arranged in the clamping groove; the separating mechanism comprises a separating rod vertically arranged in the second compartment door, one end of the separating rod penetrates through the clamping groove to be connected with the second clamping part, a second spring used for resetting the separating rod is sleeved on the separating rod, at least one first extrusion block is arranged on the separating rod along the length direction of the separating rod, and the position of the second compartment door corresponding to the position of the first extrusion block is provided with an extrusion mechanism matched with the first extrusion block and used for enabling the first extrusion block to move downwards.
Preferably, the extrusion mechanism comprises an inner groove formed in the second compartment door and a second extrusion block arranged in the inner groove, wherein a nut is arranged on one side, facing the outer part of the second compartment door, of the second extrusion block, and the nut is in threaded fit with the inner groove.
The beneficial effects are that:
(1) The first clamping part can be pushed by the telescopic mechanism, the first clamping part can be clamped into the separating mechanism, the separating mechanism is arranged in the first compartment door and can only move up and down, the separating mechanism can push the first compartment door to move, and a certain gap is reserved between the first compartment door and the second compartment door after the first clamping part moves to a certain stroke along with the telescopic mechanism, so that trapped people in the car can exchange air conveniently; when the separating mechanism is locked by the first clamping part, the first compartment door and the second compartment door cannot move, so that the first compartment door and the second compartment door are locked, and a certain ventilation gap is reserved.
(2) When the elevator is positioned at the interlayer, a rescue worker needs to unlock from the outside of the first compartment door, and the rescue worker unlocks from the upper layer or the lower layer; the rescue workers drive the extrusion mechanism through a wrench or other tools, the extrusion mechanism extrudes the separation mechanism when moving, and the separation mechanism starts to move downwards from the locked position; when telescopic machanism breaks away from first joint portion, first joint portion resets, and first joint portion is not at the second railway carriage or compartment door of spacing its connection for first railway carriage or compartment door and second railway carriage or compartment door homoenergetic be opened, conveniently stranded personnel come out from the car is inside.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of the overall structure provided by the present invention;
FIG. 2 is an enlarged schematic view of the structure of the invention at A in FIG. 1;
FIG. 3 is a schematic structural diagram of the telescopic mechanism of the present invention driving the first engaging portion to engage with the separating mechanism;
FIG. 4 is an enlarged schematic view of the structure of the present invention at B in FIG. 3;
fig. 5 is a schematic view of the internal structure of the car in normal operation of the present invention;
FIG. 6 is an enlarged schematic view of the structure of FIG. 5 according to the present invention;
FIG. 7 is a schematic view of the position structure of the separation block of the present invention;
FIG. 8 is a schematic view of the mounting structure of the pressing mechanism of the present invention;
In the figure: 1. a car; 11. a car roof; 12. a first compartment door; 13. a second compartment door; 14. a clamping groove; 2. a telescoping mechanism; 22. a telescopic rod; 23. a push plate; 231. a pushing part; 232. a pass through slot; 24. a chute; 25. a pin; 26. a storage chamber; 3. a first clamping part; 31. a top block; 32. an elastic member; 33. a clamping rod; 34. a clamping joint; 35. a mounting groove; 36. a limiting plate; 4. a separation mechanism; 41. a second clamping component; 42. a separation rod; 43. a second spring; 44. a first extrusion block; 5. a jacking mechanism; 51. a lifting rod; 52. a lap joint; 53. a fixing pin; 54. a jacking block; 6. a pressing part; 7. an extrusion mechanism; 71. a nut; 72. a second extrusion block; 73. an inner tank.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
In one embodiment, referring to fig. 1-6 of the specification, the invention provides an anti-theft door elevator for facilitating rescue, comprising a car 1, wherein the car 1 comprises a car roof 11, a first car door 12 and a second car door 13, a first clamping component 3 is slidably arranged in the first car door 12, a second clamping component 41 is arranged in the second car door 13, and the anti-theft door elevator further comprises: the telescopic mechanism 2 is arranged in the car roof 11 and is used for driving the first clamping part 3 to extend to the second car door 13, clamping with the second clamping part 41 in the second car door 13 and pushing the second car door 13 to move in a direction away from the first car door 12; and a separation mechanism 4 provided on the second door 13 for releasing the engagement between the first engagement member 3 and the second engagement member 41. The first clamping part 3 can be pushed by the arranged telescopic mechanism 2, the first clamping part 3 can be clamped into the separating mechanism 4, the separating mechanism 4 is arranged in the first compartment door 12 and can only move up and down, the separating mechanism 4 can push the first compartment door 12 to move, and a certain gap is reserved between the first compartment door 12 and the second compartment door 13 after the first clamping part 3 moves to a certain stroke along with the telescopic mechanism 2, so that trapped people in the car 1 can exchange air conveniently; when the separating mechanism 4 is locked by the first clamping part 3, the first compartment door 12 and the second compartment door 13 cannot move, so that the first compartment door 12 and the second compartment door 13 are locked, and a certain ventilation gap is reserved; when the elevator is at the interlayer, a rescuer is required to unlock from the outside of the first compartment door 12, and the rescuer is unlocked from the upper layer or from the lower layer; the rescue workers drive the extrusion mechanism 7 through a wrench or other tools, the extrusion mechanism 7 extrudes the separation mechanism 4 when moving, and the separation mechanism 4 starts to move downwards from a locked position (refer to figure 2 of the specification); when telescopic machanism 2 breaks away from first joint portion 3, first joint portion 3 resets, and first joint portion 3 is not in spacing its second door 13 of connecting for first door 12 and second door 13 all can be opened, conveniently stranded personnel come out from inside car 1.
In one embodiment, referring to fig. 1-2 of the specification, the first clamping component 3 includes a clamping rod 33, a clamping joint 34 located at one end of the clamping rod 33, and a top block 31 located at the other end of the clamping rod 33; the mounting groove 35 is formed in the position of the first carriage door 12 corresponding to the first clamping component 3, the limiting plate 36 is arranged in the position of the mounting groove 35 corresponding to the clamping rod 33, the clamping rod 33 passes through the limiting plate 36 and is in sliding fit with the limiting plate 36, and the top block 31 cannot pass through the limiting plate 36. An elastic member 32 is disposed between the top block 31 and the limiting plate 36. When the top block 31 receives the thrust of the telescopic mechanism 2, the top block 31 drives the clamping rod 33 to move, the elastic piece 32 is compressed, the clamping rod 33 drives the clamping connector 34 to extend out of the second compartment door 13 and enter the separating mechanism 4 in the first compartment door 12, the clamping connector 34 is firstly clamped into the separating mechanism 4, and when the clamping rod 33 continues to move, the clamping rod 33 pushes the separating mechanism 4 to drive the first compartment door 12 to move for a certain distance, so that the distance between the first compartment door 12 and the second compartment door 13 is kept at about 10 cm; when the top block 31 is not limited by the telescopic mechanism 2, the clamping rod 33 is reset through the elastic piece 32, and the clamping joint 34 is retracted into the second compartment door 13.
In one embodiment, as shown in fig. 1-6 of the specification, the telescopic mechanism 2 includes a telescopic rod 22 and a vertical push plate 23 disposed at an end of the telescopic rod 22, where the push plate 23 is rotatably connected to the telescopic rod 22 through a pin 25; a storage cavity 26 is arranged at the position of the car roof 11 corresponding to the telescopic rod 22, an extension opening is arranged at the position of the storage cavity 26 corresponding to the push plate 23, and one end of the push plate 23 can penetrate through the extension opening and extend into the mounting groove 35; the telescopic movement of the telescopic rod 22 can drive the push plate 23 to extend out of the extending opening or retract from the extending opening into the accommodating cavity 26. The push plate 23 is divided into an upper pushing part 231 and a lower passing groove 232, wherein the pushing part 231 is used for contacting with the first clamping component 3 and pushing the first clamping component 3 to move; the through groove 232 is used for resetting and passing the first clamping component 3. When the elevator stops moving accidentally, the telescopic mechanism 2 in the elevator drives the telescopic rod 22 to stretch under the drive of the standby power supply, the push plate 23 moves along with the telescopic rod 22, after the push plate 23 moves forwards, the push plate 23 rotates around the pin 25 through the sliding groove 24, the push plate 23 moves downwards after being subjected to gravity until the middle part of the push plate 23 is positioned on the same horizontal line of the first clamping part 3, and when the telescopic rod 22 continues to move, the push plate 23 is limited by the telescopic rod 22 and can not be overturned, and the pushing part 231 can abut against the first clamping part 3 at the moment to push the first clamping part 3 to move; when the arc-shaped parts (shown in fig. 4 referring to the specification) protruding outwards from both sides of the bottom of the push plate 23 are jacked by the jacking mechanism 5, the push plate 23 is separated from the first clamping part 3, and at this time, the first clamping part 3 is not limited by the jacking mechanism 5, and the first clamping part 3 is reset through the through groove 232. When the telescopic rod 22 is retracted, the telescopic rod 22 drives the push plate 23 to retract, the push plate 23 firstly extends upwards from the extending opening and then enters the inside of the containing cavity 26 from the extending opening until the tail end of the push plate 23 completely enters the inside of the containing cavity 26.
In one embodiment, referring to fig. 1 to 7 of the specification, a vertical chute 24 is formed at a position of the push plate 23 corresponding to the pin 25, and the pin 25 can slide up and down in the chute 24 and rotate relative to the push plate 23; the first door 12 is internally provided with a lifting mechanism 5, the lifting mechanism 5 comprises a lifting rod 51, the middle part of the lifting rod 51 is rotatably connected with the first door 12, one end of the lifting rod 51 is provided with a lifting block 54 for lifting the push plate 23 so as to reset the first clamping component 3; the other end of the lifting rod 51 is provided with a lap joint part 52; the second clamping component 41 is provided with a pressing part 6 which is in lap joint with the first clamping component 3, and the second clamping component 41 is released from clamping with the first clamping component 3 in a downward moving mode; when the second clamping member 41 moves downward, the pressing portion 6 is driven to press the overlap portion 52, so that one end of the lifting rod 51 corresponding to the lifting block 54 is lifted up, and the push plate 23 is lifted up. When the pressing portion 6 rotates to the inside of the overlap portion 52, the pressing portion 6 moves downward until abutting against the bottom of the overlap portion 52, and when the pressing portion 6 continues to move downward, the pressing portion 6 presses the overlap portion 52 to rotate the lifting rod 51 around the fixing pin 53, and the lifting block 54 at the end of the lifting rod 51 presses and presses the arc-shaped portions protruding outwards at two sides of the bottom of the push plate 23, so that the telescopic mechanism 2 is lifted and separated from the first clamping portion 3.
In one embodiment, as shown in fig. 1-7 of the specification, the second door 13 is provided with a clamping groove 14, and the second clamping component 41 is disposed in the clamping groove 14; the separating mechanism 4 comprises a separating rod 42 vertically arranged in the second compartment door 13, one end of the separating rod 42 is arranged in the clamping groove 14 in a penetrating manner and is connected with the second clamping component 41, a second spring 43 for resetting the separating rod 42 is sleeved on the separating rod 42, at least one first extrusion block 44 is arranged on the separating rod 42 along the length direction of the separating rod 42, and the position of the second compartment door 13 corresponding to the first extrusion block 44 is provided with an extrusion mechanism 7 which is matched with the first extrusion block 44 and is used for enabling the first extrusion block 44 to move downwards. When the second clamping component 41 is pressed by the clamping component 34, the clamping component 34 slides across one side of the second clamping component 41, the clamping component 34 enters into a U-shaped through groove (shown in fig. 2 or 3 of the specification), and when the clamping component 34 continues to move, the second clamping component 41 drives the first compartment door 12 to move, after the first compartment door 12 moves to a certain distance, the first compartment door 12 and the second compartment door 13 are locked, and a 10cm gap is reserved between the first compartment door 12 and the second compartment door 13.
In one embodiment, as shown in fig. 4-8 of the specification, the pressing mechanism 7 includes an inner groove 73 formed on the second door 13, and a second pressing block 72 disposed in the inner groove 73, where a nut 71 is disposed on a side of the second pressing block 72 facing the outside of the second door 13, and the nut 71 is in threaded engagement with the inner groove 73. When the separating block 44 is pushed downwards by the second extrusion block 72, the separating block 44 drives the second clamping component 41 to move downwards firstly, when the second clamping component 41 moves downwards, the second clamping component 41 moves to be separated from the clamping connector 34 firstly, at the moment, the pressing part 6 is just pushed to rotate to the horizontal position, when the second clamping component 41 continues to move downwards, the pressing part 6 contacts the bottom of the lap joint part 52, when the pressing part 6 continues to move downwards, the jacking rod 51 rotates, the jacking rod 51 drives the jacking block 54 to extrude the arc-shaped parts protruding outwards at two sides of the bottom of the push plate 23, so that the push plate 23 is separated from the first clamping part 3, at the moment, the separating mechanism 4 resets, and rescue workers can rescue people trapped inside the elevator by opening the two carriage doors 12.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a prevent taking off door elevator convenient to rescue, includes car (1), car (1) include sedan-chair top (11), first door (12) and second door (13), and its characterized in that is provided with first joint part (3) in the interior of first door (12), is provided with second joint part (41) in second door (13), still includes:
The telescopic mechanism (2) is arranged in the car roof (11) and used for driving the first clamping component (3) to extend to the second car door (13), is clamped with the second clamping component (41) in the second car door (13) and pushes the second car door (13) to move in a direction away from the first car door (12);
a separation mechanism (4) provided on the second door (13) for releasing the engagement between the first engagement member (3) and the second engagement member (41);
The first clamping component (3) comprises a clamping connection rod (33), a clamping connector (34) positioned at one end of the clamping connection rod (33) and a top block (31) positioned at the other end of the clamping connection rod (33);
the mounting groove (35) is formed in the position of the first carriage door (12) corresponding to the first clamping part (3), the limiting plate (36) is arranged in the position of the mounting groove (35) corresponding to the clamping rod (33), the clamping rod (33) penetrates through the limiting plate (36) and is in sliding fit with the limiting plate (36), and the top block (31) cannot penetrate through the limiting plate (36);
the telescopic mechanism (2) comprises a telescopic rod (22) and a vertical push plate (23) arranged at the end part of the telescopic rod (22), and the push plate (23) is rotationally connected to the telescopic rod (22) through a pin (25);
A storage cavity (26) is formed in the position of the car roof (11) corresponding to the telescopic rod (22), an extension opening is formed in the position of the storage cavity (26) corresponding to the push plate (23), and one end of the push plate (23) can penetrate through the extension opening and extend into the mounting groove (35);
the telescopic movement of the telescopic rod (22) can drive the push plate (23) to extend out of the extending opening or retract into the containing cavity (26) from the extending opening;
a vertical sliding groove (24) is formed in the position of the push plate (23) corresponding to the pin (25), and the pin (25) can slide up and down in the sliding groove (24) and rotate relative to the push plate (23);
The lifting mechanism (5) is further arranged in the first compartment door (12), the lifting mechanism (5) comprises a lifting rod (51), the middle part of the lifting rod (51) is rotationally connected with the first compartment door (12), and one end of the lifting rod (51) is provided with a lifting block (54) for lifting the push plate (23) so that the first clamping component (3) can be reset; the other end of the jacking rod (51) is provided with a lap joint part (52);
The second clamping component (41) is provided with a pressing part (6) which is in lap joint with the first clamping component (3), and the second clamping component (41) is in clamping joint with the first clamping component (3) in a downward moving mode; and when the second clamping component (41) moves downwards, the pressing part (6) is driven to press the lap joint part (52), so that one end of the jacking rod (51) corresponding to the jacking block (54) is tilted, and the push plate (23) is jacked.
2. The anti-theft door elevator for rescue according to claim 1, characterized in that an elastic member (32) is arranged between the top block (31) and the limiting plate (36).
3. The anti-theft door elevator for facilitating rescue according to claim 1, characterized in that the push plate (23) is divided into an upper push part (231) and a lower passing groove (232), the push part (231) being used for contacting with the first clamping part (3) and pushing the first clamping part (3) to move; the through groove (232) is used for enabling the first clamping component (3) to reset and pass through.
4. A door-scratch-resistant elevator facilitating rescue according to any one of claims 1 to 3, characterized in that the second door (13) is provided with a clamping groove (14), the second clamping part (41) being arranged in the clamping groove (14);
The separating mechanism (4) comprises a separating rod (42) vertically arranged in the second compartment door (13), one end of the separating rod (42) is penetrated in the clamping groove (14) and connected with the second clamping component (41), a second spring (43) for resetting the separating rod (42) is sleeved on the separating rod (42), at least one first extrusion block (44) is arranged on the separating rod (42) along the length direction of the separating rod (42), and the position of the second compartment door (13) corresponding to the first extrusion block (44) is provided with an extrusion mechanism (7) matched with the first extrusion block (44) and used for enabling the first extrusion block (44) to move downwards.
5. The anti-theft door elevator convenient for rescue according to claim 4, characterized in that the extrusion mechanism (7) comprises an inner groove (73) formed on the second compartment door (13) and a second extrusion block (72) arranged in the inner groove (73), wherein a nut (71) is arranged on one side, facing the outer part of the second compartment door (13), of the second extrusion block (72), and the nut (71) is in threaded fit with the inner groove (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211349670.5A CN115504353B (en) | 2022-10-31 | 2022-10-31 | Anti-theft door elevator convenient for rescue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211349670.5A CN115504353B (en) | 2022-10-31 | 2022-10-31 | Anti-theft door elevator convenient for rescue |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115504353A CN115504353A (en) | 2022-12-23 |
| CN115504353B true CN115504353B (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211349670.5A Active CN115504353B (en) | 2022-10-31 | 2022-10-31 | Anti-theft door elevator convenient for rescue |
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| KR102232574B1 (en) * | 2020-11-20 | 2021-03-26 | 주식회사 명원엘리베이터 | Apparatus for opening or closing elevator doors |
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