CN110329884A - Elevator door pit unlocking mechanism - Google Patents
Elevator door pit unlocking mechanism Download PDFInfo
- Publication number
- CN110329884A CN110329884A CN201910698915.7A CN201910698915A CN110329884A CN 110329884 A CN110329884 A CN 110329884A CN 201910698915 A CN201910698915 A CN 201910698915A CN 110329884 A CN110329884 A CN 110329884A
- Authority
- CN
- China
- Prior art keywords
- top plate
- pit
- bracket
- door
- ontology
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 38
- 230000004323 axial length Effects 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
-
- 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
- B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
Abstract
The invention discloses a kind of elevator door pit unlocking mechanism, top plate passes through the pilot hole of the horizontal curved folding face of the lower horizontal plane of bracket, upper horizontal plane and door head ontology and can move up and down along pilot hole；Support shaft is vertically fixed on bracket vertical plane；Sliding bearing is set in support shaft and is located at top plate between bracket vertical plane；Drive rod is fixed on top plate and is located at sliding bearing between bracket upper horizontal plane；Pit unlock rope one end is fixed on drive rod, sidles line towards sliding bearing enabling along above door head ontology horizontal curved folding face after closing a side around sliding bearing；In its natural state, top plate lower end and latch hook body head have gap；When top plate is moved downward by pit unlock wire saws, top plate lower end, which can push latch hook body head, makes latch hook ontology around latch hook shaft rotating opening layer door lock.Elevator door pit unlocking mechanism of the invention can be suitable for simultaneously layer door left and right side and pit ladder is arranged, and structure is simple, convenient for unlocking elevator door in pit.
Description
Technical field
The present invention relates to elevator landing door, in particular to a kind of elevator door pit unlocking mechanism.
Background technique
Regulation in 7588.1 draft for deliberation of new national standard " elevator manufacture and installation safety standard ": if not entering into pit channel
Door pit ladder should be then set, and pit ladder can be set in layer door two sides, and in height 1.80m model but by layer door
The personnel that should be able to safely touch in door lock or pit in enclosing and within the scope of maximum horizontal range 0.80m pass through permanently set
Device can open layer door.
Currently, elevator market upper layer door system pit unlocking mechanism generally uses structure as shown in Figure 1, pit solution
96 lower ends of lock rope are locked with layer door bottom fold side with bolt, 96 upper end of pit unlock rope, 93 lower end of triangulation chain unlock rope and three
Angle lock locking plate 95 is locked by bolt, and 93 upper end of triangulation chain unlock rope is locked with latch hook ontology 91 by bolt.Its working principle
Be: elevator installation personnel or service personnel stand and touch pit unlock rope 96 by pit ladder in pit, and pit unlock rope 96 is logical
The triangulation chain unlock rope 93 for crossing connection pulls latch hook ontology 91 to rotate, and latch hook ontology 91 and bracket are detached from, to realize opening layer
Door lock.This pit unlocking manner limits pit ladder in the location arrangements of pit, and this pit unlock rope mechanism
The metope immediately below entrance landing sill need to be arranged in ladder, just can guarantee that installation or maintenance staff are safely touched with hand
Pit unlock rope 96, the position of pit ladder do not meet 7588.1 draft for deliberation of new national standard " elevator manufacture and installation safety standard " method
Ladder in rule project arranges regulation.If ladder is arranged in entrance two sides, and is unfavorable for melt pit unlock, layer door is opened, even
Misoperation may cause operator's injury.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of elevator door pit unlocking mechanisms, can be suitable for layer door simultaneously
Pit ladder is arranged in left and right side, and structure is simple, convenient for unlocking elevator door in pit.
In order to solve the above technical problems, elevator door pit unlocking mechanism provided by the invention comprising bracket 1, sliding
Bearing 2, top plate 3, pit unlock rope 11；
Elevator inlay door head ontology 8 is " ┏ " type bending side of forward fold；
Latch hook ontology 81 is pivotally affixed the vertical bending side of a head ontology 8 by latch hook shaft；
When 81 head of latch hook ontology, which pushes, makes latch hook ontology 81 around the rotation of latch hook shaft, layer door lock can be opened；
The bracket 1 is " [" type；
The lower horizontal plane of the bracket 1 is fixed in the horizontal curved folding face of door head ontology 8, and 1 open side of bracket is forward；
The horizontal buckling face of the lower horizontal plane of the bracket 1, upper horizontal plane and door head ontology 8 corresponds to same vertical line position
Pilot hole is offered respectively；
The top plate 3 passes through leading for the horizontal curved folding face of the lower horizontal plane of the bracket 1, upper horizontal plane and door head ontology 8
Xiang Kong, and can move up and down along the pilot hole；
For the top plate 3 on it in down stroke, 3 upper end of top plate is higher than 1 upper horizontal plane of bracket, and 3 lower end of top plate is lower than door head
The horizontal curved folding face of ontology 8；
One support shaft 20 is vertically fixed on the vertical plane of the bracket 1；
The sliding bearing 2 is set in the support shaft 20, and sliding bearing 2 is located at top plate 3 between 1 vertical plane of bracket
And it can be rotated around the support shaft 20；
One drive rod 12 is fixed on the top plate 3, which is located at sliding bearing 2 with the upper level of the bracket 1
Between face；
Described 11 one end of pit unlock rope is fixed on the drive rod 12, closes behind a side around sliding bearing 2 along door head
Line is sidled towards the enabling of sliding bearing 2 above 8 horizontal curved folding face of ontology；
In its natural state, there is gap on 3 lower end of top plate and 81 head of latch hook ontology to the top plate 3；
When the top plate 3 by pit unlock rope 11 traction move downward more than set distance after, 3 lower end of top plate can under
Pressure 81 head of latch hook ontology makes latch hook ontology 81 around latch hook shaft rotating opening layer door lock.
Preferably, the top plate 3 offers the limit waist-shaped hole of up and down direction；
20 front end of support shaft is insinuated into the limit waist-shaped hole.
Preferably, the bracket 1 is the same as being provided with reset spring 7 between top plate 3；
In its natural state, the reset spring 7 makes 3 lower end of top plate and 81 head of latch hook ontology have gap to the top plate 3；
When the top plate 3 is drawn downwards by pit unlock rope 11, the top plate 3 can move downward and make the reset spring
7 deformation.
Preferably, the reset spring 7 is helical spring；
7 upper end of reset spring is fixed on the upper horizontal plane of the bracket 1, and lower end is fixed on the top plate 3；
Top plate 3 makes reset spring 7 elongate deformation when moving downward.
Preferably, the reset spring 7 is located at the opposite side of the top plate 3 with the sliding bearing 2.
Preferably, 7 lower end of reset spring is fixed on the top plate 3 by bolt or screw.
Preferably, 7 upper end of reset spring is resisted against the upper end reset components that same top plate 3 is fixed together, lower end is supported
Lean against the lower end reset components that same bracket 1 is fixed together；
The top plate 3 makes 7 compressive deformation of reset spring when moving downward.
Preferably, the lower end reset components are fixed on 1 vertical plane of bracket.
Preferably, 1 upper horizontal plane of bracket is as lower end reset components.
Preferably, the 2 enabling side of sliding bearing of door head ontology 8 is fixedly installed leading block；
After the pit unlock rope 11 sidles line towards the enabling of sliding bearing 2 above 8 horizontal curved folding face of door head ontology, around
Leading block is crossed, the other end is fixed on hoistway metope or sill.
Preferably, being fixed with wire clamp in the horizontal curved folding face of the door head ontology 8 of 2 enabling side of sliding bearing；
The pit unlock rope 11 sidles line towards the enabling of sliding bearing 2 above 8 horizontal curved folding face of door head ontology and wears
The wire clamp is crossed, leading block is then passed around.
Preferably, the axial length of the sliding bearing 2 is 0.2mm to 2mm shorter with the vertical interplanar distance of bracket 1 than top plate 3；
The axial length of the sliding bearing 2 is greater than 1cm.
Preferably, there is arc surface on 81 head of latch hook ontology；
In its natural state, 3 lower end of top plate and 81 head arc surface of latch hook ontology have the gap 1mm to 2mm to the top plate 3.
Preferably, the drive rod 12 is Cross Recess Head Screw；
The lower horizontal plane of the bracket 1 is bolted in the horizontal curved folding face of door head ontology 8.
Elevator door pit unlocking mechanism of the invention, is independently assemblied on elevator inlay door head ontology 8, pit ladder is set
It sets at left side, pit unlock rope 11 is arranged around coiling to the left on the right side of sliding bearing, pit ladder at right side, pit unlock
Rope 11 pulls pit unlock rope 11, just can simply and reliablely realize elevator around coiling to the right on the left of sliding bearing, operator
Layer door lock unlocking motion, can simultaneously suitable for new national standard rules and regulations layer door left and right side setting pit ladder, and
Structure is simple, convenient for unlocking elevator door in pit.
Detailed description of the invention
In order to illustrate more clearly of technical solution of the present invention, the required attached drawing of the present invention is made below simple
It introduces, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ordinary skill people
For member, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is common pit unlocking mechanism structural schematic diagram；
Fig. 2 is one embodiment overall structure diagram of elevator door pit unlocking mechanism of the invention；
Fig. 3 is stereo amplification figure at the circle of dotted line of Fig. 2；
Fig. 4 is front enlarged drawing at the circle of dotted line of Fig. 2；
Fig. 5 is left side enlarged drawing at the circle of dotted line of Fig. 2；
Fig. 6 is elevator door pit unlocking mechanism using one embodiment front elevation of compressive deformation reset spring；
Fig. 7 is elevator door pit unlocking mechanism using one embodiment left hand view of compressive deformation reset spring.
Description of symbols
1 bracket；2 sliding bearings；3 top plates；11 pit unlock ropes；8 head ontologies；81 latch hook ontologies；20 support shafts；12 pass
Lever；7 reset springs.
Specific embodiment
Below in conjunction with attached drawing, clear, complete description is carried out to the technical solution in the present invention, it is clear that described
Embodiment is a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff all other embodiment obtained without making creative work, belongs to protection of the present invention
Range.
Embodiment one
As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, elevator door pit unlocking mechanism include bracket 1, sliding bearing 2, top plate 3,
Pit unlock rope 11；
Elevator inlay door head ontology 8 is " ┏ " type bending side of forward fold；
Latch hook ontology 81 is pivotally affixed the vertical bending side of a head ontology 8 by latch hook shaft；
When 81 head of latch hook ontology, which pushes, makes latch hook ontology 81 around the rotation of latch hook shaft, layer door lock can be opened；
The bracket 1 is " [" type；
The lower horizontal plane of the bracket 1 is fixed in the horizontal curved folding face of door head ontology 8, and 1 open side of bracket is forward；
The horizontal buckling face of the lower horizontal plane of the bracket 1, upper horizontal plane and door head ontology 8 corresponds to same vertical line position
Pilot hole is offered respectively；
The top plate 3 passes through leading for the horizontal curved folding face of the lower horizontal plane of the bracket 1, upper horizontal plane and door head ontology 8
Xiang Kong, and can move up and down along the pilot hole；
For the top plate 3 on it in down stroke, 3 upper end of top plate is higher than 1 upper horizontal plane of bracket, and 3 lower end of top plate is lower than door head
The horizontal curved folding face of ontology 8；
One support shaft 20 is vertically fixed on the vertical plane of the bracket 1；
The sliding bearing 2 is set in the support shaft 20, and sliding bearing 2 is located at top plate 3 between 1 vertical plane of bracket
And it can be rotated around the support shaft 20；
One drive rod 12 is fixed on the top plate 3, which is located at sliding bearing 2 with the upper level of the bracket 1
Between face；
Described 11 one end of pit unlock rope is fixed on the drive rod 12, closes behind a side around sliding bearing 2 along door head
Line is sidled towards the enabling of sliding bearing 2 above 8 horizontal curved folding face of ontology；
In its natural state, there is gap on 3 lower end of top plate and 81 head of latch hook ontology to the top plate 3；
When the top plate 3 by pit unlock rope 11 traction move downward more than set distance after, 3 lower end of top plate can under
Pressure 81 head of latch hook ontology makes latch hook ontology 81 around latch hook shaft rotating opening layer door lock.
The elevator door pit unlocking mechanism of embodiment one, is independently assemblied on elevator inlay door head ontology 8, pit ladder
It is arranged at left side, the pit solution at right side is arranged around coiling to the left on the right side of sliding bearing, pit ladder in pit unlock rope 11
Lock rope 11 pulls pit unlock rope 11, just can safely and reliably realize electricity around coiling to the right on the left of sliding bearing, operator
Terraced layer door lock unlocking motion, can simultaneously suitable for new national standard rules and regulations layer door left and right side be arranged pit ladder, and
And structure is simple, convenient for unlocking elevator door in pit, worker safety is made to leave pit.
Embodiment two
Elevator door pit unlocking mechanism based on embodiment one, the top plate 3 offer the limit waist type of up and down direction
Hole；
20 front end of support shaft is insinuated into the limit waist-shaped hole.
The elevator door pit unlocking mechanism of embodiment two, 20 front end of support shaft are insinuated into the limit waist-shaped hole of top plate 3, limit
The length of position waist-shaped hole defines the up and down motion stroke of top plate 3, and sliding bearing 2 can be prevented to be detached from support shaft 20.
Embodiment three
Elevator door pit unlocking mechanism based on embodiment one, the bracket 1 are provided with reset spring between top plate 3
7；
In its natural state, the reset spring 7 makes 3 lower end of top plate and 81 head of latch hook ontology have gap to the top plate 3；
When the top plate 3 is drawn downwards by pit unlock rope 11, the top plate 3 can move downward and make the reset spring
7 deformation.
Example IV
Elevator door pit unlocking mechanism based on embodiment three, as shown in figure 3, figure 4 and figure 5, the reset spring 7 is
Helical spring；
7 upper end of reset spring is fixed on the upper horizontal plane of the bracket 1, and lower end is fixed on the top plate 3；
Top plate 3 makes reset spring 7 elongate deformation when moving downward.
Preferably, the reset spring 7 is located at the opposite side of the top plate 3 with the sliding bearing 2.
Preferably, 7 lower end of reset spring is fixed on the top plate 3 by bolt or screw.
The elevator door pit unlocking mechanism of example IV, when elevator installation or maintenance staff prepare to leave well from pit
Road pulls pit unlock rope 11 that top plate 3 is driven to move downward and realizes elevator door lock unlock in pit ladder left or right side,
Reset spring 7 is set to elongate deformation simultaneously；After unclamping pit unlock rope 11, reset spring 7, which is shunk, drives top plate 3 to reset.
Embodiment five
Elevator door pit unlocking mechanism based on embodiment three, as shown in Figure 6, Figure 7,7 upper end of reset spring are supported
The upper end reset components that same top plate 3 is fixed together are leaned against, lower end is resisted against the lower end reset portion that same bracket 1 is fixed together
Part；
The top plate 3 makes 7 compressive deformation of reset spring when moving downward.
Preferably, as shown in Figure 6, Figure 7, the lower end reset components are fixed on 1 vertical plane of bracket.
Preferably, 1 upper horizontal plane of bracket is as lower end reset components.
The elevator door pit unlocking mechanism of embodiment five, when elevator installation or maintenance staff prepare to leave well from pit
Road pulls pit unlock rope 11 that top plate 3 is driven to move downward and realizes elevator door lock unlock in pit ladder left or right side,
Make 7 compressive deformation of reset spring simultaneously；After unclamping pit unlock rope 11, the rebound of reset spring 7 drives top plate 3 to reset.
Embodiment six
2 enabling side of the sliding bearing fixation of elevator door pit unlocking mechanism based on embodiment two, door head ontology 8 is set
It is equipped with leading block；
After the pit unlock rope 11 sidles line towards the enabling of sliding bearing 2 above 8 horizontal curved folding face of door head ontology, around
Leading block is crossed, the other end is fixed on hoistway metope or sill.
Preferably, being fixed with wire clamp in the horizontal curved folding face of the door head ontology 8 of 2 enabling side of sliding bearing；
The pit unlock rope 11 sidles line towards the enabling of sliding bearing 2 above 8 horizontal curved folding face of door head ontology and wears
The wire clamp is crossed, leading block is then passed around.The wire clamp is used to support guidance pit unlock rope 11.
Preferably, the axial length of the sliding bearing 2 is 0.2mm to 2mm shorter with the vertical interplanar distance of bracket 1 than top plate 3；
The axial length of the sliding bearing 2 is greater than 1cm.
Preferably, there is arc surface on 81 head of latch hook ontology；
In its natural state, 3 lower end of top plate and 81 head arc surface of latch hook ontology have the gap 1mm to 2mm to the top plate 3.
Preferably, the drive rod 12 is Cross Recess Head Screw.
Preferably, the lower horizontal plane of the bracket 1 is bolted in the horizontal curved folding face of door head ontology 8.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (14)
1. a kind of elevator door pit unlocking mechanism, which is characterized in that it include bracket (1), sliding bearing (2), top plate (3),
Pit unlock rope (11)；
Elevator inlay door head ontology (8) is " ┏ " type bending side of forward fold；
Latch hook ontology (81) is pivotally affixed a vertical bending side for head ontology (8) by latch hook shaft；
When latch hook ontology (81) head, which pushes, makes latch hook ontology (81) around the rotation of latch hook shaft, layer door lock can be opened；
The bracket (1) is " [" type；
The lower horizontal plane of the bracket (1) is fixed in the horizontal curved folding face of door head ontology (8), and bracket (1) opening is lateral
Before；
The horizontal buckling face of the lower horizontal plane of the bracket (1), upper horizontal plane and door head ontology (8) corresponds to same vertical line position
Pilot hole is offered respectively；
The top plate (3) passes through the horizontal curved folding face of the lower horizontal plane of the bracket (1), upper horizontal plane and door head ontology (8)
Pilot hole, and can move up and down along the pilot hole；
The top plate (3) is on it in down stroke, and top plate (3) upper end is higher than bracket (1) upper horizontal plane, and top plate (3) lower end is lower than
The horizontal curved folding face of door head ontology (8)；
One support shaft (20) is vertically fixed on the vertical plane of the bracket (1)；
The sliding bearing (2) is set on the support shaft (20), and it is vertical that sliding bearing (2) is located at top plate (3) same to bracket (1)
It can rotate between face and around the support shaft (20)；
One drive rod (12) is fixed on the top plate (3), which is located at sliding bearing (2) with the bracket (1)
Between upper horizontal plane；
Described pit unlock rope (11) one end is fixed on the drive rod (12), closes behind a side around sliding bearing (2) along door
It opens the door above head ontology (8) horizontal curved folding face towards sliding bearing (2) and sidles line；
In its natural state, there is gap on top plate (3) lower end and latch hook ontology (81) head to the top plate (3)；
After the top plate (3) is moved downward by pit unlock rope (11) traction more than set distance, top plate (3) the lower end meeting
Pushing latch hook ontology (81) head makes latch hook ontology (81) around latch hook shaft rotating opening layer door lock.
2. elevator door pit unlocking mechanism according to claim 1, which is characterized in that
The top plate (3) offers the limit waist-shaped hole of up and down direction；
Support shaft (20) front end is insinuated into the limit waist-shaped hole.
3. elevator door pit unlocking mechanism according to claim 1, which is characterized in that
Reset spring (7) are provided between the same top plate of the bracket (1) (3)；
In its natural state, the reset spring (7) has top plate (3) lower end with latch hook ontology (81) head to the top plate (3)
Gap；
When the top plate (3) is drawn downwards by pit unlock rope (11), the top plate (3) can move downward and make the reset bullet
Spring (7) deformation.
4. elevator door pit unlocking mechanism according to claim 3, which is characterized in that
The reset spring (7) is helical spring；
Reset spring (7) upper end is fixed on the upper horizontal plane of the bracket (1), and lower end is fixed on the top plate (3)；
Top plate (3) makes reset spring (7) to elongate deformation when moving downward.
5. elevator door pit unlocking mechanism according to claim 4, which is characterized in that
The reset spring (7) and the sliding bearing (2) are located at the opposite side of the top plate (3).
6. elevator door pit unlocking mechanism according to claim 4, which is characterized in that
Reset spring (7) lower end is fixed on the top plate (3) by bolt or screw.
7. according to elevator door pit unlocking mechanism described in claim (3), which is characterized in that
Reset spring (7) upper end is resisted against the upper end reset components that same top plate is fixed together, and lower end is resisted against same bracket
(1) the lower end reset components being fixed together；
The top plate (3) makes reset spring (7) compressive deformation when moving downward.
8. elevator door pit unlocking mechanism according to claim 7, which is characterized in that
The lower end reset components are fixed on bracket (1) vertical plane.
9. elevator door pit unlocking mechanism according to claim 7, which is characterized in that
Bracket (1) upper horizontal plane is as lower end reset components.
10. elevator door pit unlocking mechanism according to claim 1, which is characterized in that
Sliding bearing (2) enabling side of door head ontology (8) is fixedly installed leading block；
After the pit unlock rope (11) is along line is sidled towards sliding bearing (2) enabling above door head ontology (8) horizontal curved folding face,
Around leading block, the other end is fixed on hoistway metope or sill.
11. elevator door pit unlocking mechanism according to claim 10, which is characterized in that
Wire clamp is fixed in the horizontal curved folding face of the door head ontology (8) of sliding bearing (2) enabling side；
The pit unlock rope (11) sidles line simultaneously along opening the door above door head ontology (8) horizontal curved folding face towards sliding bearing (2)
Across the wire clamp, leading block is then passed around.
12. elevator door pit unlocking mechanism according to claim 1, which is characterized in that
The vertical interplanar distance of the axial length of the sliding bearing (2) bracket (1) more same than top plate (3) is 0.2mm to 2mm short；
The axial length of the sliding bearing (2) is greater than 1cm.
13. elevator door pit unlocking mechanism according to claim 1, which is characterized in that
There is arc surface on latch hook ontology (81) head；
In its natural state, top plate (3) lower end and latch hook ontology (81) head arc surface have between 1mm to 2mm the top plate (3)
Gap.
14. elevator door pit unlocking mechanism according to claim 1, which is characterized in that
The drive rod (12) is Cross Recess Head Screw；
The lower horizontal plane of the bracket (1) is bolted in the horizontal curved folding face of door head ontology (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910698915.7A CN110329884A (en) | 2019-07-31 | 2019-07-31 | Elevator door pit unlocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910698915.7A CN110329884A (en) | 2019-07-31 | 2019-07-31 | Elevator door pit unlocking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110329884A true CN110329884A (en) | 2019-10-15 |
Family
ID=68148167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910698915.7A Pending CN110329884A (en) | 2019-07-31 | 2019-07-31 | Elevator door pit unlocking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110329884A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009067517A (en) * | 2007-09-12 | 2009-04-02 | Mitsubishi Electric Corp | Landing door closing device for elevator |
| CN202558434U (en) * | 2012-04-06 | 2012-11-28 | 东南电梯股份有限公司 | Manual door locking device of elevator door |
| WO2017098557A1 (en) * | 2015-12-07 | 2017-06-15 | 三菱電機株式会社 | Landing door opening device for elevator |
| CN108689288A (en) * | 2018-06-07 | 2018-10-23 | 林肯电梯(中国)有限公司 | A kind of car door emergency unlocking device using compressed spring |
| JP2019018951A (en) * | 2017-07-14 | 2019-02-07 | フジテック株式会社 | Unlocking device for elevator landing door |
| CN210340032U (en) * | 2019-07-31 | 2020-04-17 | 永大电梯设备（中国）有限公司 | Elevator layer door pit unlocking mechanism |
-
2019
- 2019-07-31 CN CN201910698915.7A patent/CN110329884A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009067517A (en) * | 2007-09-12 | 2009-04-02 | Mitsubishi Electric Corp | Landing door closing device for elevator |
| CN202558434U (en) * | 2012-04-06 | 2012-11-28 | 东南电梯股份有限公司 | Manual door locking device of elevator door |
| WO2017098557A1 (en) * | 2015-12-07 | 2017-06-15 | 三菱電機株式会社 | Landing door opening device for elevator |
| JP2019018951A (en) * | 2017-07-14 | 2019-02-07 | フジテック株式会社 | Unlocking device for elevator landing door |
| CN108689288A (en) * | 2018-06-07 | 2018-10-23 | 林肯电梯(中国)有限公司 | A kind of car door emergency unlocking device using compressed spring |
| CN210340032U (en) * | 2019-07-31 | 2020-04-17 | 永大电梯设备（中国）有限公司 | Elevator layer door pit unlocking mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103612966B (en) | Elevator car door lock manual unlocking device | |
| CN208484686U (en) | A kind of Novel steel belt prevention of sliding-down in inclined well equipment | |
| CN110329884A (en) | Elevator door pit unlocking mechanism | |
| CN106006288A (en) | Locking device used for lift manual falling prevention | |
| CN106006280A (en) | Lift anti-falling mechanism provided with buffer device | |
| CN102642758A (en) | Simple elevator car door lock | |
| CN203212183U (en) | Turnover door structure of construction lifter | |
| CN109879143A (en) | Elevator car door system and its door knife with enabling limits device | |
| CN206384671U (en) | The anti-car accidental movement device overhauled for machine-roomless lift | |
| CN108149600A (en) | A kind of multifunction electronic banister for having the function of to intercept | |
| CN202208581U (en) | Anti-entering device of elevator hall door | |
| CN201809004U (en) | Hoistway door external unlocking safety protecting device | |
| CN205652948U (en) | Car with save oneself and slowly fall function | |
| CN2619918Y (en) | Elevator safety door lock device | |
| CN103171942A (en) | Elevator safe braking device | |
| CN209721318U (en) | Elevator car door system and its door knife with enabling limits device | |
| CN208485452U (en) | A kind of anti-carriage accidental movement device | |
| CN204851319U (en) | Fence formula unloading chamber anti -falling device | |
| CN202897701U (en) | Elevator landing door manual unlocking safety protection device | |
| CN213774900U (en) | Asynchronous integrated car door lock structure | |
| CN216069905U (en) | Guard railing of driving cab for public transport vehicle | |
| CN105800437B (en) | Elevator cab door is anti-to take off device | |
| CN204827514U (en) | Interior open unloading chamber anti -falling device | |
| CN218560002U (en) | Four-way shuttle maintenance platform convenient to operate | |
| CN205472138U (en) | Car safety device of elevator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |