CN220976221U - Elevator light curtain anticollision device - Google Patents
Elevator light curtain anticollision device Download PDFInfo
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- CN220976221U CN220976221U CN202322717291.3U CN202322717291U CN220976221U CN 220976221 U CN220976221 U CN 220976221U CN 202322717291 U CN202322717291 U CN 202322717291U CN 220976221 U CN220976221 U CN 220976221U
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- 238000013016 damping Methods 0.000 claims abstract description 73
- 230000005540 biological transmission Effects 0.000 claims abstract description 32
- 230000002457 bidirectional effect Effects 0.000 claims description 43
- 230000035939 shock Effects 0.000 claims description 21
- 238000010521 absorption reaction Methods 0.000 claims 9
- 230000006378 damage Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model discloses an elevator light curtain anti-collision device, which comprises: the elevator box body, two ends of the two-way screw rod are connected with the corresponding transmission seat in a rotating way; the two elevator doors are connected to the position of one side of the elevator box body, which is close to the transmission seat, in a sliding way; the damping component is arranged at a position inside the damping door; the two infrared light curtains are fixed at the inner side of the elevator door and far away from the position of one side of the elevator box body. According to the elevator light curtain anti-collision device, the elevator door capable of being closed in a sectionalized mode and the damping door with the built-in damping component and the sectionalized closing component for driving the elevator door and the damping door to move in a sectionalized mode are arranged on the elevator box body, when the closed elevator door and the damping door inevitably collide with passengers, collision force generated by collision of the passengers with the elevator door is reduced to the greatest extent, damage caused by collision of the passengers with the elevator door is reduced, influence on the elevator door due to collision is further reduced, and the use effect and safety of the device are improved.
Description
Technical Field
The utility model relates to the technical field related to elevator infrared light curtains, in particular to an elevator light curtain anti-collision device.
Background
The safety protection device of the elevator mainly comprises an elevator door linkage device, an elevator safety touch plate and a light curtain, wherein the safety protection device of the elevator door is used for placing safety accidents, and the performance of the safety protection device directly influences the performance of the whole elevator.
As disclosed in chinese patent (CN 205603002U), an anti-collision two-in-one elevator infrared light curtain with permanent magnets is disclosed, the anti-collision two-in-one elevator infrared light curtain with permanent magnets comprises two light curtain strips and permanent magnets, wherein the two light curtain strips are vertically and symmetrically arranged, a light curtain emitter and a light curtain receiver are respectively arranged on opposite sides of the two light curtain strips, the light curtain emitter and the light curtain receiver are connected with a linkage device and a control electric plate in the light curtain strips, the permanent magnets are arranged on the upper and lower parts of the opposite sides of the two light curtain strips, and the magnetic poles of the permanent magnets at the same position on the light curtain strips are the same. The utility model has the characteristics of simple structure, convenient installation, avoidance of severe elevator door collision, prolonged service life of the whole elevator, simplification of the linkage device of the elevator door, thinning of the whole elevator door, reduction of noise during elevator door collision, reduction of faults of the elevator door during use, and the like.
In summary, the following technical problems exist in the prior art: when detecting an obstacle blocking the elevator from being closed, the infrared light curtain on the existing elevator can enable the elevator door to be converted into an opening state from a state to be closed, but various unexpected situations can occur in the use process of the elevator, such as passengers can drill into the elevator at extremely high speed when the elevator door is to be closed, at the moment, the infrared light curtain can detect that the passengers change the elevator door into the opening state, but due to the mechanical connection structure of the infrared light curtain, when the elevator door is changed into the opening state from the closing state, the passengers can inevitably collide with the moving elevator door to cause shaking of the elevator door, a certain injury is caused to the passengers, and a certain influence is caused to the elevator operation.
Disclosure of utility model
Based on the above technical problems, it is necessary to provide an anti-collision device for an elevator light curtain, by arranging a sectionally-closable elevator door and a damping door with a damping component inside and a sectionally-closing component for driving the elevator door and the damping door to move sectionally on an elevator box, when the device is used, when the elevator door and the damping door are about to be closed, a passenger quickly passes through a gap between the two elevator doors to enter the elevator, an obstacle appears in the middle of the elevator door and the damping door when the elevator door is detected to be closed by an infrared light curtain, the elevator door and the damping door are changed into an open state from a closed state, and the operation mode of the sectionally-opened and closed double-layer elevator door is changed.
In order to solve the technical problems, the utility model adopts the following technical scheme:
An elevator light curtain anticollision device is applied to an elevator infrared light curtain.
An elevator light curtain anticollision device specifically includes:
The elevator comprises an elevator box body, wherein two ends of one side of the elevator box body are fixedly connected with transmission seats, a bidirectional screw rod is arranged between the two transmission seats, and two ends of the bidirectional screw rod are rotationally connected with the corresponding transmission seats;
The two elevator doors are in sliding connection with the elevator box body at the position close to one side of the transmission seat, the inner sides of the two elevator doors are both in sliding connection with damping doors, the outer sides of the two bidirectional screws are provided with sectional closing components, and the sectional closing components are used for being matched with the elevator doors and the damping doors;
a shock absorbing assembly disposed at a position inside the shock absorbing door, the shock absorbing assembly for use with the elevator door and the shock absorbing door;
The two infrared light curtains are fixed at the inner side of the elevator door and far away from the position of one side of the elevator box body, and the infrared light curtains are used in cooperation with the elevator door and the damping door.
As a preferred implementation mode of the elevator light curtain anti-collision device provided by the utility model, the sectional closing assembly comprises a first closed thread groove, a second closed thread groove and a motor, wherein the first closed thread groove is formed in two sides of the center position of the bidirectional screw, the second closed thread groove is formed in the outer sides of the two ends of the bidirectional screw, the motor is arranged at the inner side of a transmission seat at one end of the elevator box and at the position corresponding to the bidirectional screw, and the output end of the motor penetrates through the transmission seat and is fixedly connected with the bidirectional screw.
As a preferred implementation mode of the elevator light curtain anti-collision device provided by the utility model, the sectional closing assembly further comprises a fixed seat, a first closing thread sleeve and a driving block, one end of the top end of the elevator door, which is close to the transmission seat, is fixedly connected with the fixed seat, the top end of the fixed seat is fixedly connected with the first closing thread sleeve, the first closing thread sleeve is positioned on the outer side of the bidirectional screw and is in sliding connection with the bidirectional screw, the first closing thread sleeve is in threaded connection with the second closing thread groove, and one end of the top end of the elevator door, which is far away from the transmission seat, is fixedly connected with the driving block.
As a preferred implementation mode of the elevator light curtain anti-collision device provided by the utility model, the sectional closing assembly further comprises a second closing thread sleeve and a fixed block, the second closing thread sleeve is fixedly connected to the top end of the damping door and corresponds to the driving block, the second closing thread sleeve is positioned on the outer side of the bidirectional screw and is in sliding connection with the bidirectional screw, the second closing thread sleeve is in threaded connection with the first closing thread groove, the second closing thread sleeve is far away from one side of the elevator box body and corresponds to the driving block, the fixed block is fixedly connected to the position of the second closing thread sleeve, and the fixed block is attached to the driving block.
As a preferred implementation mode of the elevator light curtain anti-collision device provided by the utility model, the damping component comprises a hollow column, a sliding column and a first damping spring, wherein the hollow column is fixedly connected to the inner sides of the top end and the bottom end of the damping door, the sliding column is slidably connected to the inner side of the hollow column, the first damping spring is arranged at one end of the sliding column, which is positioned on the inner side of the damping door, one end of the first damping spring is fixedly connected with the damping door, and the other end of the first damping spring is fixedly connected with the sliding column.
As a preferred implementation mode of the elevator light curtain anti-collision device provided by the utility model, the damping component further comprises a fixed plate, a rubber seat, a first round block, a second round block and a second damping spring, wherein one end of the sliding column far away from the infrared light curtain is fixedly connected with the fixed plate, one end of the fixed plate far away from the infrared light curtain is fixedly connected with the rubber seat, one end of the fixed plate positioned at the inner side of the rubber seat is fixedly connected with a plurality of first round blocks, one end of the inner side of the rubber seat far away from the infrared light curtain is fixedly connected with a plurality of second round blocks at positions corresponding to the first round blocks, a second damping spring is arranged between the corresponding first round blocks and the corresponding second round blocks, one end of the second damping spring is fixedly connected with the corresponding first round blocks, and the other end of the second damping spring is fixedly connected with the corresponding second round blocks.
Compared with the prior art, the utility model has the following beneficial effects:
According to the novel slicing machine provided by the utility model, the elevator door capable of being closed in a sectioning mode and the damping door with the damping component arranged inside are arranged on the elevator box body, and the sectioning closing component drives the elevator door and the damping door to move in a sectioning mode.
Drawings
In order to more clearly illustrate the solution of the present utility model, a brief description will be given below of the drawings required for the description of the embodiments, it being obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the overall structure of an elevator light curtain anti-collision device provided by the utility model;
Fig. 2 is a schematic structural view of a bidirectional screw of an elevator light curtain anti-collision device provided by the utility model;
Fig. 3 is a schematic diagram of a cross-sectional structure of an elevator door of an elevator light curtain anti-collision device provided by the utility model;
Fig. 4 is an enlarged schematic view of the structure of the elevator light curtain anticollision device at a position a in fig. 3;
Fig. 5 is a schematic structural view of a shock absorbing door closure of an elevator light curtain anti-collision device provided by the utility model;
fig. 6 is a schematic structural view of an elevator door and a damper door of an elevator light curtain anti-collision device provided by the utility model, which are closed at the same time;
fig. 7 is a schematic structural diagram of an elevator door and a shock absorbing door of an elevator light curtain anti-collision device.
The labels in the figures are illustrated below:
1. An elevator cage; 2. a transmission seat; 3. a bidirectional screw; 4. a first closed thread groove; 5. a second closed thread groove; 6. a motor; 7. an elevator door; 8. a damper door; 9. a fixing seat; 10. a first closed threaded sleeve; 11. a second closed threaded sleeve; 12. a fixed block; 13. a driving block; 14. a hollow column; 15. a sliding column; 16. a first damper spring; 17. a fixing plate; 18. a rubber seat; 19. a first round block; 20. a second round block; 21. a second damper spring; 22. an infrared light curtain.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
As described in the background art, when an obstacle blocking the closing of the elevator is detected, the infrared light curtain on the existing elevator can change the elevator door from a state to an open state, but various accidents can occur in the use process of the elevator, such as passengers drilling the elevator at a very fast speed when the elevator door is about to be closed, at this time, although the infrared light curtain can detect that the passengers change the elevator door into an open state, due to the mechanical connection structure, when the elevator door is changed from the closed state to the open state, a certain delay exists, the passengers inevitably collide with the moving elevator door, shake the elevator door, cause a certain injury to the passengers, and a certain influence to the elevator operation.
In order to solve the technical problem, the utility model provides an elevator light curtain anti-collision device which is applied to an elevator infrared light curtain.
Specifically, referring to fig. 1-3, the novel slicer specifically includes:
The elevator comprises an elevator box body 1, wherein two ends of one side of the elevator box body 1 are fixedly connected with transmission seats 2, a bidirectional screw rod 3 is arranged between the two transmission seats 2, and two ends of the bidirectional screw rod 3 are rotationally connected with the corresponding transmission seats 2;
The two elevator doors 7 are in sliding connection with the elevator box 1 at the position close to one side of the transmission seat 2, the inner sides of the two elevator doors 7 are both in sliding connection with the damping doors 8, and the outer sides of the two bidirectional screws 3 are provided with sectional closing components which are used for being matched with the elevator doors 7 and the damping doors 8;
A damper assembly provided at a position inside the damper door 8, the damper assembly being used in cooperation with the elevator door 7 and the damper door 8;
Two infrared light curtains 22, which are fixed at the inner side of the elevator door 7 and at the position far away from the side of the elevator car 1, the infrared light curtains 22 are used in cooperation with the elevator door 7 and the shock absorbing door 8.
According to the novel slicing machine provided by the utility model, the elevator door 7 which can be closed in a sectioning way and the damping door 8 with the damping components arranged inside are arranged on the elevator box body 1, and the sectioning closing components for driving the elevator door 7 and the damping door 8 to move in a sectioning way are arranged on the elevator box body 1.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Embodiment one:
Referring to fig. 1-3, an elevator light curtain anti-collision device includes: the elevator comprises an elevator box body 1, wherein two ends of one side of the elevator box body 1 are fixedly connected with transmission seats 2, a bidirectional screw rod 3 is arranged between the two transmission seats 2, and two ends of the bidirectional screw rod 3 are rotationally connected with the corresponding transmission seats 2; the two elevator doors 7 are in sliding connection with the elevator box 1 at the position close to one side of the transmission seat 2, the inner sides of the two elevator doors 7 are both in sliding connection with the damping doors 8, and the outer sides of the two bidirectional screws 3 are provided with sectional closing components which are used for being matched with the elevator doors 7 and the damping doors 8; a damper assembly provided at a position inside the damper door 8, the damper assembly being used in cooperation with the elevator door 7 and the damper door 8; two infrared light curtains 22, which are fixed at the inner side of the elevator door 7 and at the position far away from the side of the elevator car 1, the infrared light curtains 22 are used in cooperation with the elevator door 7 and the shock absorbing door 8.
Please refer to fig. 2, fig. 3, fig. 5, fig. 6 and fig. 7, the sectional closing assembly includes a first closed thread groove 4, a second closed thread groove 5 and a motor 6, the first closed thread groove 4 is all opened at both sides of the central position of the bidirectional screw 3, the second closed thread groove 5 is all opened at the outside of both ends of the bidirectional screw 3, in order to conveniently drive the bidirectional screw 3 to rotate, the motor 6 is disposed at the inside of the transmission seat 2 at one end of the elevator box 1 and at the position corresponding to the bidirectional screw 3, and the output end of the motor 6 penetrates through the transmission seat 2 and is fixedly connected with the bidirectional screw 3.
The sectionally closed assembly further comprises a fixed seat 9, a first closed threaded sleeve 10 and a driving block 13, the elevator door 7 is conveniently driven to move on the bidirectional screw rod 3, one end, close to the transmission seat 2, of the top end of the elevator door 7 is fixedly connected with the fixed seat 9, the top end of the fixed seat 9 is fixedly connected with the first closed threaded sleeve 10, the first closed threaded sleeve 10 is located outside the bidirectional screw rod 3 and is in sliding connection with the bidirectional screw rod 3, the first closed threaded sleeve 10 is in threaded connection with the second closed threaded groove 5, and one end, far away from the transmission seat 2, of the top end of the elevator door 7 is fixedly connected with the driving block 13.
The sectional closing assembly further comprises a second closing thread sleeve 11 and a fixed block 12, the second closing thread sleeve 11 is fixedly connected to the position, corresponding to the driving block 13, of the top end of the damping door 8 for facilitating the damping door 8 to move on the bidirectional screw rod 3, the second closing thread sleeve 11 is located on the outer side of the bidirectional screw rod 3 and is slidably connected with the bidirectional screw rod 3, the second closing thread sleeve 11 is in threaded connection with the first closing thread groove 4, the fixed block 12 is fixedly connected to the position, corresponding to the driving block 13, of the second closing thread sleeve 11, the damping door 8 is located on one side, away from the elevator box 1, of the second closing thread sleeve 11, the fixed block 12 is fixedly connected to the position, corresponding to the driving block 13, of the second closing thread sleeve 11, and the fixed block 12 is attached to the driving block 13 after the damping door 8 is moved out of the elevator door 7 for a distance.
According to the elevator light curtain anti-collision device, through the simple sectional type double-layer moving elevator door 7, the damping door 8 and the simple elastic characteristics of the springs, automatic operation steps of reducing collision force of the elevator door when the elevator door collides with passengers are achieved, and the using effect of the device is further improved under the condition of reducing the collision force.
Embodiment two:
the first embodiment of the present invention provides a further optimization of an elevator light curtain anti-collision device, specifically, as shown in fig. 3 and 4, the damping component includes a hollow column 14, a sliding column 15 and a first damping spring 16, in order to increase the damping force of the damping door 8, the inner sides of the top end and the bottom end of the damping door 8 are fixedly connected with the hollow column 14, the inner side of the hollow column 14 is slidably connected with the sliding column 15, one end of the sliding column 15 located inside the damping door 8 is provided with the first damping spring 16, one end of the first damping spring 16 is fixedly connected with the damping door 8, and the other end of the first damping spring 16 is fixedly connected with the sliding column 15.
The damping assembly further comprises a fixing plate 17, a rubber seat 18, a first round block 19, a second round block 20 and a second damping spring 21, wherein one end of the sliding column 15, far away from the infrared light curtain 22, is fixedly connected with the fixing plate 17, one end of the fixing plate 17, far away from the infrared light curtain 22, is fixedly connected with the rubber seat 18 in order to reduce injuries suffered by passengers during collision between the passengers and the elevator door 7 and the damping door 8, one end of the fixing plate 17, far away from the infrared light curtain 22, is fixedly connected with the rubber seat 18 in order to improve elasticity of the rubber seat 18, one end, located inside the rubber seat 18, of the fixing plate 17, is fixedly connected with a plurality of first round blocks 19, one end, far away from the infrared light curtain 22, of the rubber seat 18 is fixedly connected with a plurality of second round blocks 20 in positions corresponding to the first round blocks 19, a second damping spring 21 is arranged between the corresponding first round blocks 19 and the second round blocks 20, one end of the second damping spring 21 is fixedly connected with the corresponding first round blocks 19, and the other end of the second damping spring 21 is fixedly connected with the corresponding second round blocks 20.
Through above-mentioned structural design, reduce the dynamics of passenger when bumping with elevator door 7 and damper door 8, because of damper door 8 elevator door 7 a section distance removes earlier for the passenger can not bump with elevator door 7, only can bump with damper door 8 that the distance is nearest, the dynamics of the furthest reduction collision of damper spring 16 and second damper spring 21 on damper door 8 when the passenger bumps with it improves the security of device.
The novel slicer provided by the utility model has the following use process: the device is connected with a power supply, the output end of the motor 6 drives the bidirectional screw rod 3 to rotate through starting the motor 6, then the second closed threaded sleeve 11 moves the fixed plate 17 on the damping door 8 out of the elevator door 7 through the hollow column 14, after the second closed threaded sleeve 11 drives the damping door 8 to move for a distance, the fixed block 12 is attached to the driving block 13, so that the second closed threaded sleeve 11 drives the damping door 8 and the elevator door 7 to move simultaneously, when the two damping doors 8 are closed, the second closed threaded sleeve 11 moves from the first closed threaded groove 4, so that the second closed threaded sleeve 11 does not drive the damping door 8 to move on the bidirectional screw rod 3, and then make first closed screw sleeve 10 remove to second closed screw groove 5 and drive elevator door 7 and remove towards the direction of rubber seat 18, and then close between two elevator doors 7, when closing elevator door 7 and damper door 8, when elevator door 7 and damper door 8 are about to close, and when leaving the gap that alone can pass through, the infrared light curtain 22 detects the barrier that appears when closing in the gap, transmission signal drives elevator door 7 and damper door 8 and changes the state of opening and shutting from the closed state, if the passenger bumps with damper door 8 when passing the gap, under the elasticity characteristic of first damper spring 16 and second damper spring 21, alleviate the impact dynamics that the passenger produced when bumping with damper door 8.
Claims (6)
1. An elevator light curtain collision device, characterized in that it includes:
The elevator comprises an elevator box body (1), wherein two ends of one side of the elevator box body (1) are fixedly connected with transmission seats (2), a bidirectional screw rod (3) is arranged between the two transmission seats (2), and two ends of the bidirectional screw rod (3) are rotationally connected with the corresponding transmission seats (2);
the two elevator doors (7) are in sliding connection with the elevator box body (1) at a position close to one side of the transmission seat (2), the inner sides of the two elevator doors (7) are both in sliding connection with the damping doors (8), and a sectional closing assembly is arranged on the outer side of the bidirectional screw rod (3) and is used for being matched with the elevator doors (7) and the damping doors (8);
a shock absorbing assembly provided at a position inside the shock absorbing door (8), the shock absorbing assembly being for use with the elevator door (7) and shock absorbing door (8);
and the two infrared light curtains (22) are fixed at positions which are at the inner side of the elevator door (7) and far away from one side of the elevator box body (1), and the infrared light curtains (22) are used for being matched with the elevator door (7) and the damping door (8).
2. The elevator light curtain anti-collision device according to claim 1, wherein the sectional closing assembly comprises a first closed thread groove (4), a second closed thread groove (5) and a motor (6), the first closed thread groove (4) is formed in two sides of the center position of the bidirectional screw (3), the second closed thread groove (5) is formed in the outer sides of two ends of the bidirectional screw (3), the motor (6) is arranged at the inner side of a transmission seat (2) at one end of the elevator box body (1) and at the position corresponding to the bidirectional screw (3), and the output end of the motor (6) penetrates through the transmission seat (2) to be fixedly connected with the bidirectional screw (3).
3. The elevator light curtain anti-collision device according to claim 2, wherein the sectional closing assembly further comprises a fixing seat (9), a first closing thread sleeve (10) and a driving block (13), one end of the top end of the elevator door (7) close to the transmission seat (2) is fixedly connected with the fixing seat (9), the top end of the fixing seat (9) is fixedly connected with the first closing thread sleeve (10), the first closing thread sleeve (10) is located outside the bidirectional screw (3) and is in sliding connection with the bidirectional screw (3), the first closing thread sleeve (10) is in threaded connection with the second closing thread groove (5), and one end of the top end of the elevator door (7) away from the transmission seat (2) is fixedly connected with the driving block (13).
4. The elevator light curtain anti-collision device according to claim 3, wherein the sectional closing assembly further comprises a second closing threaded sleeve (11) and a fixed block (12), the second closing threaded sleeve (11) is fixedly connected to the top end of the shock absorption door (8) and corresponds to the driving block (13), the second closing threaded sleeve (11) is located on the outer side of the bidirectional screw (3) and is slidably connected with the bidirectional screw (3), the second closing threaded sleeve (11) is in threaded connection with the first closing threaded groove (4), the fixed block (12) is fixedly connected to the position, corresponding to the driving block (13), of the second closing threaded sleeve (11), away from one side of the elevator box (1), and the fixed block (12) is attached to the driving block (13).
5. The elevator light curtain anti-collision device according to claim 4, wherein the shock absorption assembly comprises a hollow column (14), a sliding column (15) and a first shock absorption spring (16), the hollow column (14) is fixedly connected to the inner sides of the top end and the bottom end of the shock absorption door (8), the sliding column (15) is slidably connected to the inner side of the hollow column (14), the first shock absorption spring (16) is arranged at one end of the sliding column (15) located inside the shock absorption door (8), one end of the first shock absorption spring (16) is fixedly connected with the shock absorption door (8), and the other end of the first shock absorption spring (16) is fixedly connected with the sliding column (15).
6. The elevator light curtain anti-collision device according to claim 5, wherein the damping assembly further comprises a fixing plate (17), a rubber seat (18), a first round block (19), a second round block (20) and a second damping spring (21), one end of the sliding column (15) away from the infrared light curtain (22) is fixedly connected with the fixing plate (17), one end of the fixing plate (17) away from the infrared light curtain (22) is fixedly connected with the rubber seat (18), one end of the fixing plate (17) located inside the rubber seat (18) is fixedly connected with a plurality of first round blocks (19), one end of the rubber seat (18) away from the infrared light curtain (22) is fixedly connected with a plurality of second round blocks (20) corresponding to the first round blocks (19), a second damping spring (21) is arranged between the corresponding first round blocks (19) and the second round blocks (20), one end of the second damping spring (21) is fixedly connected with the corresponding first round blocks (19), and the other end of the second damping spring (21) is fixedly connected with the second round blocks (20) corresponding to the second round blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322717291.3U CN220976221U (en) | 2023-10-11 | 2023-10-11 | Elevator light curtain anticollision device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322717291.3U CN220976221U (en) | 2023-10-11 | 2023-10-11 | Elevator light curtain anticollision device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220976221U true CN220976221U (en) | 2024-05-17 |
Family
ID=91060606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322717291.3U Active CN220976221U (en) | 2023-10-11 | 2023-10-11 | Elevator light curtain anticollision device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220976221U (en) |
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2023
- 2023-10-11 CN CN202322717291.3U patent/CN220976221U/en active Active
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