CN203715014U - Device for stopping human body during abnormal starting of elevator landing door - Google Patents
Device for stopping human body during abnormal starting of elevator landing door Download PDFInfo
- Publication number
- CN203715014U CN203715014U CN201320838405.3U CN201320838405U CN203715014U CN 203715014 U CN203715014 U CN 203715014U CN 201320838405 U CN201320838405 U CN 201320838405U CN 203715014 U CN203715014 U CN 203715014U
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- ratchet
- traffic cycle
- push rod
- roundabout
- mini
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Abstract
The utility model relates to a device for stopping a human body during abnormal starting of an elevator landing door. The device comprises a stopping starting part and a blocking part, wherein the stopping starting part consists of a large turntable, a small turntable, a pawl tripping mechanism, a turntable pull rod and a starting part base, the large turntable and the small turntable are connected with a pawl respectively, a pawl stripping hook is arranged below each pawl, the blocking part consists of a latch hook, a stopping piece and a blocking part base, when the small turntable of the stopping starting part clockwise or anticlockwise swings, the latch hook is started for being hooked with or being separated from a starting pin of the stopping piece, and when the landing door is normally opened, the latch hook is started for being hooked with the starting pin of the stopping piece for pulling open the stopping piece, so that the protection effect is played. The utility model provides the device for stopping the human body during abnormal starting of the elevator landing door, which has the advantages that the casualty accident that personnel jump off a building from the elevator landing door can be effectively prevented, and the potential safety hazard is eliminated; due to the adoption of the mechanical stopping structure, the stopping action is visual and reliable.
Description
Technical field
The utility model relates to the safety device of elevator, particularly relates to a kind of device of human body obstruction of elevator door unnormal unlocking.
Background technology
When there will be lift car also not reach this layer because of a variety of causes such as fault or maintenance, opens in elevator layer door; the personnel that the cause injures and deaths of falling; this type of elevator accident happens occasionally throughout the country; also the casualty accident that has the hoistway that accidentally falls while using triangular key to open layer door because of elevator operating personnel or non-operating personnel to cause; on September 8th, 2013; Fu Yongshang garden, a Baoan District of Shenzhen community A elevator has an accident; cause is to remove for convenience elevator door protective film; electrician 16th floor, elevator door opens by triangular key, and when cleaner is clean, the unfortunate hoistway pendant of falling into is died.Add up according to Shenzhen's relevant industries, during year September in January, 2003 to 2009, there are altogether personnel and fall the accident 12 of hoistway from elevator door in Shenzhen, cause 9 people's death, 3 people's severe injuries, and same time murderous death by accident relevant to elevator adds up to 35, because using ratio that triangular key murderous accident number accounts for total death toll up to 26%.In addition; elevator is parked in non-flat layer region because fault causes car; part passenger's mistake is saved oneself, and while jumping off from car, unstability is ploughed under the hoistway pendant accident such as die all generation in various places, and the human body arresting gear of therefore inventing a kind of elevator door unnormal unlocking is necessary to protection personnel's safety.
Summary of the invention
The purpose of this utility model is exactly for above-mentioned elevator problem, the device that provides a kind of human body of elevator door unnormal unlocking to stop, and this device effectively preventing layer door improper is opened and is caused the fall down from the building generation of event of personnel.
For achieving the above object, the utility model adopts following technical scheme:
The device that the human body of elevator door unnormal unlocking stops, comprising:
Stop actuating section, formed by a traffic cycle, a mini-roundabout, a ratchet trip mechanism, a rotating disk push rod and an actuating section base, traffic cycle be disk, its center of circle is provided with traffic cycle axle, traffic cycle axle is connected with actuating section base, the edge of traffic cycle is provided with a traffic cycle pawl slot, traffic cycle right side is provided with traffic cycle ratchet, the swing arm of traffic cycle ratchet is connected with actuating section base by traffic cycle pawl axis, and traffic cycle ratchet can be connected in traffic cycle pawl slot; The edge on traffic cycle top is provided with push rod connecting shaft, rotating disk push rod horizontally set, the right-hand end of rotating disk push rod is flexibly connected with push rod connecting shaft, the left-hand end of rotating disk push rod stretches into a side of left side layer door to the left, the left side of rotating disk push rod is provided with return spring to the left, when the termination, left side of rotating disk push rod and layer door closure state, the termination, left side that left side layer door jacking block withstands rotating disk push rod; The axle center of described mini-roundabout is provided with axis hole, axis hole is connected with traffic cycle axle, on mini-roundabout right flank, edge is provided with a mini-roundabout pawl slot, mini-roundabout right side is provided with mini-roundabout ratchet, the swing arm of mini-roundabout ratchet is connected with traffic cycle by axle, and mini-roundabout ratchet can be connected in mini-roundabout pawl slot, and the left surface of mini-roundabout is provided with pull bar adapter shaft, and pull bar adapter shaft is connected with pull bar; The below of mini-roundabout ratchet and traffic cycle ratchet is provided with de-mouthful of hook of ratchet, when trip mechanism starts, de-mouthful of hook of ratchet catches on mini-roundabout ratchet and traffic cycle ratchet departs from respectively mini-roundabout and traffic cycle, now, mini-roundabout moment is made turning anticlockwise, and makes connecting rod do the dropout action of latch hook downwards.
Block part, by latch hook, stop part, block part base and form, described obstruction part is automatic telescopic part or folded piece, stops part and is located at the side that latch hook is relative; The right-hand end of described latch hook is provided with axis hole, latch hook by lock hook shaft with block part base and be connected, the left-hand end of latch hook is provided with hook, axis hole left side is provided with latch hook oscillating axle, latch hook oscillating axle cylinder lever connecting rod, when stopping mini-roundabout cw or the counter-clockwise swing of actuating section, start latch hook and tangle or depart from the startup that stops part and follow closely.
Described obstruction part is the one wherein of the folding railing of automatic curtain, protection, grille guard, check cable, anti-skid plate.
When supporting elevator is center opening door, its obstruction actuating section is located on the limit of the interior side opening of right side layer door, and obstruction part is located on the limit of a left side layer interior side opening; When supporting elevator is side opening door, described obstruction actuating section, on the limit by side opening in the shutter of doorframe after being located at layer door and closing, stop part be located at shutter close after on mutually tactile doorframe limit.
In described right side layer door, on the limit of side opening, be fixed with push rod contiguous block, push rod contiguous block is provided with push-rod hole, the left-hand end of rotating disk push rod is through push-rod hole, between the left-hand end of rotating disk push rod and push rod contiguous block, return spring is set, its return spring is Compress Spring, when layer door closed, fixed block on the layer door of left side promotes push rod and promotes to the right traffic cycle and clockwise rotate, when revolve rotate in place after traffic cycle ratchet be stuck in traffic cycle pawl slot.
Described automatic curtain is vertically located at the right side of left side layer door, and the limit, termination of automatic curtain is provided with and starts nail, starts nail for outstanding axle.
The folding railing of described protection is made up of one or more expansion link or folding rod, and described telescopic rod pipe is large tubule assembly, mutually pegs graft scalable, and its right-hand end is provided with and starts nail; Described folding rod termination is by folding shaft articulamentum yi word pattern, and folding rod can be folding along folding shaft, and its right-hand end is provided with and starts nail.
Described check cable is made up of from coil spring a rope and rope, the medial extremity of rope be connected from coil spring, the other end of rope with start nail and be connected, and the rope rolling of can pulling open or retract.
Described trip mechanism comprises electromagnet trip mechanism and mechanical trip mechanism, electromagnet trip mechanism comprises electromagnet and de-mouthful of hook of ratchet, de-mouthful of hook of the actuating lever of electromagnet and ratchet is connected, when electromagnet energising starts, de-mouthful of hook of ratchet catches on mini-roundabout ratchet and traffic cycle ratchet is threaded off; Mechanical trip mechanism comprises and starts de-mouthful of hook of plate and ratchet, starts plate and is connected with lift car, in the time that lift car moves to layer door, starts plate and stirs the de-mouth of ratchet and link up with the dropout that moves right.
Principle of work of the present utility model: when elevator door is normally opened, in the time of elevator car arrives layer door, on this layer of door, " the human body arresting gear of elevator door unnormal unlocking " receives a signal, this signal can be light, electric signal, the wherein one of field signal or mechanical signal, receive signal, by circuit control start electromagnet action or by mechanical conductive to mechanical trip mechanism, catch on mini-roundabout ratchet and traffic cycle ratchet departs from respectively mini-roundabout and traffic cycle by de-mouthful of hook of the ratchet in electromagnet or mechanical trip mechanism, the now instantaneous intercropping left-hand revolution of mini-roundabout, pull bar is action downwards immediately, the latch hook left-hand revolution that part is blocked in drive breaks off relations, cause latch hook in unhook state, now elevator door is opened, stopping part can opening and launches with layer door, traffic cycle is along with layer door opens, utilize the release of the elastic force of the return spring in rotating disk push rod left side, driving traffic cycle to make turning anticlockwise resets, after putting in place, mini-roundabout ratchet is connected in mini-roundabout pawl slot again, in the time that elevator door is closed, fixed block on the elevator door of left side touches the push rod on the layer door of right side and moves to the right, now because mini-roundabout ratchet is connected in the pawl slot of mini-roundabout ratchet, traffic cycle clockwise rotates and drives mini-roundabout servo-actuated, mini-roundabout rotates to drive on pull bar and carries, make latch hook return to latch hook and catch on the startup nail that stops part, when layer door closed completely, when traffic cycle clockwise rotates 90 ° of angles, traffic cycle ratchet is connected in the groove of traffic cycle ratchet, can keep firmly like this locking state of latch hook, when layer door is improper while opening, because lift car does not normally put in place, stop electromagnet or the mechanical trip mechanism of actuating section and do not receive actuation signal, electromagnet or mechanical trip mechanism are not pulled open two ratchets, traffic cycle and mini-roundabout can not be made left-hand revolution action, now pull bar is also held tightly latch hook and is maintained the state that catches on the startup nail that stops part, open when layer door is improper, layer door pulls the startup nail that stops part with moveable lock hook, obstruction part is opened, the door opening of unnormal unlocking is blocked, thereby prevention personnel enter this improper layer door of opening and crash in hoistway, realize the safety guard-safeguard to personnel.Elevator service personnel is because of need of work, carry out improper while opening the operation of layer door, can be by pulling flexible cord or directly stirring in the groove that two ratchets make it to depart from respectively large and small rotating disk ratchet, thus remove the function of blocking of this device.
The beneficial effects of the utility model: a kind of human body arresting gear of elevator door unnormal unlocking is provided, can have effectively prevented the casualty accident that personnel fall down from the building from elevator door, eliminated safe hidden trouble; Stop actuating section and block part owing to being provided with, making arresting gear simple in structure, more easily reaching the effect of obstruction; Owing to adopting mechanical type to stop structure, stop intuitive and reliable; Mechanical structure blocks part and does not start in the time that elevator door is normally opened, and stops part and launch to stop when unnormal unlocking, reduces and causes wearing and tearing to cause the risk losing efficacy because acting frequently, and stable performance is more safe and reliable.
Brief description of the drawings
Fig. 1 is the front schematic perspective view of one of them embodiment of the utility model.
Fig. 2 is the major part schematic diagram that stops actuating section.
Fig. 3 is the schematic diagram that blocks the latch hook of part.
Fig. 4 is the schematic diagram that mechanical trip mechanism is connected with obstruction actuating section.
Fig. 5 is that one of them embodiment of the utility model uses the front schematic view in layer door inner side.
Fig. 6 is the schematic perspective view of Fig. 5.
Fig. 7 is the schematic perspective view at another visual angle of Fig. 6.
Fig. 8 is the local enlarged diagram at Fig. 5 A place.
Fig. 9 is the local enlarged diagram at Fig. 5 B place.
Figure 10 is the local enlarged diagram at Fig. 6 C place.
Figure 11 is the local enlarged diagram at Fig. 7 D place.
Detailed description of the invention
Embodiment 1:
As shown in Figures 1 to 4, the utility model comprises: stop actuating section 1 and block part 2, described obstruction actuating section 1, by a traffic cycle 12, a mini-roundabout 15, a ratchet trip mechanism 16, a rotating disk push rod 17 and an actuating section base 11 form, traffic cycle be disk, its center of circle is provided with traffic cycle axle 176, traffic cycle axle is connected with actuating section base 11, the edge of traffic cycle is provided with a traffic cycle pawl slot 123, traffic cycle right side is provided with traffic cycle ratchet 121, the swing arm of traffic cycle ratchet 121 is connected with actuating section base 11 by traffic cycle pawl axis 1211, and traffic cycle ratchet 121 can be connected in traffic cycle pawl slot 123, the edge on traffic cycle top is provided with push rod connecting shaft 175, rotating disk push rod 17 horizontally sets, and the right-hand end of rotating disk push rod is flexibly connected with push rod connecting shaft 175, and the left-hand end of rotating disk push rod stretches into a side of left side layer door 32 to the left, as shown in Figure 5.The left side of rotating disk push rod 17 is provided with return spring 172 to the left, when the termination, left side of rotating disk push rod and layer door closure state, and the termination, left side that layer door 32 jacking blocks 173 in left side withstand rotating disk push rod; As shown in Figure 2, the axle center of described mini-roundabout is provided with axis hole 154, axis hole is connected with traffic cycle axle 176, on mini-roundabout right flank, along being provided with a mini-roundabout pawl slot 152, mini-roundabout right side is provided with mini-roundabout ratchet 151, and the swing arm of mini-roundabout ratchet is connected with traffic cycle by axle 1511, and mini-roundabout ratchet can be connected in mini-roundabout pawl slot, the left surface of mini-roundabout is provided with pull bar adapter shaft 153, and pull bar adapter shaft is connected with pull bar 14, as shown in Figure 1; The below of mini-roundabout ratchet and traffic cycle ratchet is provided with de-mouthful of hook 161 of ratchet, when ratchet trip mechanism 16 starts, de-mouthful of hook of ratchet catches on mini-roundabout ratchet and traffic cycle ratchet departs from respectively mini-roundabout and traffic cycle, now, mini-roundabout moment is made turning anticlockwise, and makes connecting rod do the dropout action of latch hook 22 downwards.The described part 2 of blocking, by latch hook 22, stop part 23, block part base 21 and form, described obstruction part is automatic telescopic part or folded piece, stops part and is located at the side that latch hook is relative; The right-hand end of described latch hook is provided with axis hole 221, latch hook by lock hook shaft with block part base 21 and be connected, the left-hand end of latch hook is provided with hook 222, axis hole left side is provided with latch hook oscillating axle 223, latch hook oscillating axle cylinder lever connecting rod 14, when stopping mini-roundabout cw or the counter-clockwise swing of actuating section, start latch hook and tangle or depart from the startup that stops part and follow closely.Latch hook 22 can arrange several vertical array and be used in combination, and is connected in series, as shown in Figure 5 by pull bar 14.
As shown in Figure 1, the obstruction part that blocks part 2 23 of the present embodiment is automatic curtain 231, automatic curtain is that package is placed in square or circular reel, this roller shutter structure is with similar as the roller shutter structure of curtain, inside is provided with curling spring, the termination of roller shutter is located at the outside of reel, can roller shutter be opened by pulling, unclamp pull portion structure can automatic drawing back in reel.
As shown in Fig. 5 to Figure 11, when floors are center opening door, in described right side layer door, on the limit of side opening, be fixed with push rod contiguous block 174, push rod contiguous block is provided with push-rod hole, the left-hand end of rotating disk push rod 17 is through push-rod hole, between the left-hand end of rotating disk push rod and push rod contiguous block, return spring 172 is set, its return spring is Compress Spring, when layer door closed, fixed block 173 on left side layer door promotes push rod and promotes to the right traffic cycle 12 and clockwise rotate, when revolve rotate in place after traffic cycle ratchet be stuck in traffic cycle pawl slot.As shown in Fig. 9, Fig. 2, described automatic curtain 231 is vertically located at the right side of left side layer door 32, and 2311 limits, termination of automatic curtain are provided with and start nail 232, starts nail for outstanding axle.
As described in Fig. 1, Fig. 8, Fig. 9, described ratchet trip mechanism 16 is electromagnet trip mechanism, electromagnet trip mechanism comprises electromagnet and de-mouthful of hook 161 of ratchet, de-mouthful of hook 161 of the actuating lever of electromagnet and ratchet is connected, when electromagnet energising starts, de-mouthful of hook of ratchet catches on mini-roundabout ratchet 151 and traffic cycle ratchet 121 is threaded off.
As shown in Figure 4, mechanical trip mechanism comprises startup plate 162 and de-mouthful of hook 161 of ratchet, starts plate 162 and is connected with lift car, and the startup upper and lower two ends of plate are provided with inclined-plane 1621, when lift car moves to when door layer, start plate and stir the dropout that moves right of de-mouthful of hook 161 of ratchet.
Obstruction part 23 of the present utility model is not a kind of, and stopping part 23 can be the one wherein of the folding railing of automatic curtain, protection, grille guard, check cable, anti-skid plate.The folding railing of described protection is made up of one or more expansion link or folding rod, described telescopic rod pipe is large tubule assembly, mutually peg graft scalable, its right-hand end is provided with and starts nail, in use, one end of expansion link is fixed, be provided with start one end of nail can telescopic folding, start nail 232 and be connected with latch hook 22; Described folding rod is made up of multiple bars, and one end of a bar connects another bar, and junction can be rotated 180 degree and can be folded, be opened for the straight-bar of many bar compositions, termination connects into yi word pattern by folding shaft, and folding rod can be folding along folding shaft, and its right-hand end is provided with and starts nail 232.Described check cable is made up of from coil spring a rope and rope, and its structure is identical with metallic tape structure, the medial extremity of rope be connected from coil spring, the other end of rope with start nail and 232 be connected, and the rope rolling of can pulling open or retract.
This roller shutter is installed different according to different landing door structures in use.When supporting elevator is center opening door, as shown in Figures 5 to 7, it stops actuating section 1 and is located on the limit of right side layer door 31 interior side openings, and obstruction part 23 is located on the limit of side openings in the door of 32 layers, left side.When supporting elevator is side opening door, described obstruction actuating section 1, on the limit by side opening in the shutter of doorframe after being located at layer door and closing, stop part 23 be located at shutter close after on mutually tactile doorframe limit.
The utility model is not limited to described enforcement structure; under the utility model design that does not exceed claim; for the personnel with the ABC in field under the utility model, can implement a lot of distortion or remodeling, these modification also belong to protection domain of the present utility model.
Claims (7)
1. the device that the human body of elevator door unnormal unlocking stops, is characterized in that comprising:
Stop actuating section (1), by a traffic cycle (12), a mini-roundabout (15), a ratchet trip mechanism (16), a rotating disk push rod (17) and an actuating section base (11) composition, traffic cycle be disk, its center of circle is provided with traffic cycle axle (176), traffic cycle axle is connected with actuating section base (11), the edge of traffic cycle is provided with a traffic cycle pawl slot (123), traffic cycle right side is provided with traffic cycle ratchet (121), the swing arm of traffic cycle ratchet (121) is connected with actuating section base (11) by traffic cycle pawl axis (1211), and traffic cycle ratchet (121) can be connected in traffic cycle pawl slot (123), the edge on traffic cycle top is provided with push rod connecting shaft (175), rotating disk push rod (17) horizontally set, the right-hand end of rotating disk push rod is flexibly connected with push rod connecting shaft (175), the left-hand end of rotating disk push rod stretches into a side of left side layer door to the left, the left side of rotating disk push rod is provided with return spring (172) to the left, when the termination, left side of rotating disk push rod and layer door closure state, left side layer door jacking block (173) withstands the termination, left side of rotating disk push rod, the axle center of described mini-roundabout is provided with axis hole (154), axis hole is connected with traffic cycle axle (176), on mini-roundabout right flank, edge is provided with a mini-roundabout pawl slot (152), mini-roundabout right side is provided with mini-roundabout ratchet (151), the swing arm of mini-roundabout ratchet is connected with traffic cycle by axle (1511), and mini-roundabout ratchet can be connected in mini-roundabout pawl slot, the left surface of mini-roundabout is provided with pull bar adapter shaft (153), and pull bar adapter shaft is connected with pull bar (14), the below of mini-roundabout ratchet and traffic cycle ratchet is provided with de-mouthful of hook (161) of ratchet, block part (2), by latch hook (22), stop part (23), block part base (21) and form, described obstruction part is automatic telescopic part or folded piece, stops part and is located at the side that latch hook is relative, the right-hand end of described latch hook is provided with axis hole (221), latch hook by lock hook shaft with block part base (21) and be connected, the left-hand end of latch hook is provided with hook (222), axis hole left side is provided with latch hook oscillating axle (223), latch hook oscillating axle cylinder lever connecting rod (14).
2. the device that the human body of a kind of elevator door unnormal unlocking according to claim 1 stops, is characterized in that: described obstruction part (23) is the one wherein of automatic curtain, the folding railing of protection, grille guard, check cable, anti-skid plate.
3. the device that the human body of a kind of elevator door unnormal unlocking according to claim 1 stops, it is characterized in that: when supporting elevator is center opening door, it stops actuating section (1) and is located on the limit of the interior side opening of right side layer door (31), and obstruction part (23) is located on the limit of side opening in the layer door of left side (32); When supporting elevator is side opening door, described obstruction actuating section (1), on the limit by side opening in the shutter of doorframe after being located at layer door and closing, stop part (23) be located at shutter close after on mutually tactile doorframe limit.
4. the device that the human body of a kind of elevator door unnormal unlocking according to claim 3 stops, it is characterized in that: in described right side layer door, on the limit of side opening, be fixed with push rod contiguous block (174), push rod contiguous block is provided with push-rod hole, the left-hand end of rotating disk push rod (17) is through push-rod hole, return spring (172) is set between the left-hand end of rotating disk push rod and push rod contiguous block, its return spring is Compress Spring, when layer door closed, fixed block (173) promotion push rod on the layer door of left side promotes to the right traffic cycle (12) and clockwise rotates, when revolve rotate in place after traffic cycle ratchet be stuck in traffic cycle pawl slot.
5. the device that the human body of a kind of elevator door unnormal unlocking according to claim 1 stops, it is characterized in that: described automatic curtain (231) is vertically located at the right side of left side layer door (32), the limit, termination (2311) of automatic curtain is provided with and starts nail (232), starts nail for outstanding axle.
6. the device that the human body of a kind of elevator door unnormal unlocking according to claim 2 stops, it is characterized in that: stop the one wherein of part (23) for automatic curtain, the folding railing of protection, grille guard, check cable, anti-skid plate, it is characterized in that: the folding railing of described protection is made up of one or more expansion link or folding rod, described telescopic rod pipe is large tubule assembly, mutually peg graft scalable, its right-hand end is provided with and starts nail; Described folding rod termination is by folding shaft articulamentum yi word pattern, and folding rod can be folding along folding shaft, and its right-hand end is provided with and starts nail.
7. the device that the human body of a kind of elevator door unnormal unlocking according to claim 1 stops, it is characterized in that: described ratchet trip mechanism (16) comprises electromagnet trip mechanism and mechanical trip mechanism, electromagnet trip mechanism comprises electromagnet and de-mouthful of hook (161) of ratchet, de-mouthful of hook (161) of the actuating lever of electromagnet and ratchet is connected, when electromagnet energising starts, de-mouthful of hook of ratchet catches on mini-roundabout ratchet (151) and traffic cycle ratchet (121) is threaded off; Mechanical trip mechanism comprises and starts plate (162) and de-mouthful of hook of ratchet (161), starts plate and is connected with lift car, in the time that lift car moves to layer door, starts plate and stirs ratchet and take off mouth and link up with (161) dropout that moves right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320838405.3U CN203715014U (en) | 2013-12-19 | 2013-12-19 | Device for stopping human body during abnormal starting of elevator landing door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320838405.3U CN203715014U (en) | 2013-12-19 | 2013-12-19 | Device for stopping human body during abnormal starting of elevator landing door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203715014U true CN203715014U (en) | 2014-07-16 |
Family
ID=51154183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320838405.3U Expired - Fee Related CN203715014U (en) | 2013-12-19 | 2013-12-19 | Device for stopping human body during abnormal starting of elevator landing door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203715014U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104724586A (en) * | 2013-12-19 | 2015-06-24 | 梁伟联 | Device and method for blocking human body when elevator landing door is not normally opened |
| CN108358028A (en) * | 2018-03-30 | 2018-08-03 | 迅立达智能装备制造科技有限公司 | A kind of elevator door push-to-open block device |
| CN109677906A (en) * | 2018-12-04 | 2019-04-26 | 贵州埃克森环保建材有限公司 | A kind of thermal insulation strip plate barrow based on driving |
| CN112061923A (en) * | 2020-09-28 | 2020-12-11 | 时空智能科技(宁波)有限公司 | Elevator door locking hook |
-
2013
- 2013-12-19 CN CN201320838405.3U patent/CN203715014U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104724586A (en) * | 2013-12-19 | 2015-06-24 | 梁伟联 | Device and method for blocking human body when elevator landing door is not normally opened |
| CN108358028A (en) * | 2018-03-30 | 2018-08-03 | 迅立达智能装备制造科技有限公司 | A kind of elevator door push-to-open block device |
| CN109677906A (en) * | 2018-12-04 | 2019-04-26 | 贵州埃克森环保建材有限公司 | A kind of thermal insulation strip plate barrow based on driving |
| CN109677906B (en) * | 2018-12-04 | 2020-09-08 | 贵州埃克森环保建材有限公司 | Heat preservation slat transport frame based on driving |
| CN112061923A (en) * | 2020-09-28 | 2020-12-11 | 时空智能科技(宁波)有限公司 | Elevator door locking hook |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20161219 |