CN107399661A - Elevator car door locking device - Google Patents
Elevator car door locking device Download PDFInfo
- Publication number
- CN107399661A CN107399661A CN201610334226.4A CN201610334226A CN107399661A CN 107399661 A CN107399661 A CN 107399661A CN 201610334226 A CN201610334226 A CN 201610334226A CN 107399661 A CN107399661 A CN 107399661A
- Authority
- CN
- China
- Prior art keywords
- door
- gate
- door knife
- latch hook
- knife
- 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.)
- Granted
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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
Abstract
The invention discloses a kind of elevator car door locking device, including latch hook, latch hook can rotate around its fixing end relative to belt clamp；Block is provided with the outside of the left end of latch hook；Sliding block is movably set with the slide bar of latch hook right-hand member；Belt clamp is fixedly connected with door strap, and door strap is fixedly connected with gate；Gate door knife is provided with gate, the right door knife of gate door knife passes through horizontally disposed spring pin connection door knife bottom plate；Right door knife is fixedly connected with cam, and the cambered surface of cam is in contact with roller；Roller is fixedly installed on the bottom of push rod；The top of push rod is flexibly connected sliding block.The present invention can limit elevator cage door in the process of running or elevator be parked in do not allow open the door position when can not open more than setting；Only when allowing door-opened elevator, the unlatching scope of elevator cage door can exceed setting, realize normal switch door.
Description
Technical field
The present invention relates to a kind of annex of elevator, and in particular to a kind of elevator car door locking device.
Background technology
In order to control the accident rate of elevator, the use more safety standard of elevator is allowed, China has promulgated GB7588-2003's
No. 1 amendment, one of content, add the limitation opened to gate, it is desirable in running process of elevator or do not allow
During door-opened elevator, the unlatching scope of elevator cage door must not exceed setting (being usually 50mm)；Only when allowing door-opened elevator,
The unlatching scope of elevator cage door can exceed setting, realize normal switch door.And existing elevator car door locking device can not
Meet the requirement of No. 1 amendment.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of elevator car door locking device, and it can meet above-mentioned No. 1 amendment
It is required that protecting passenger safety, the security performance of elevator is greatly improved.
In order to solve the above technical problems, the technical solution of elevator car door locking device of the present invention is：
Including latch hook 3, the fixing end of latch hook 3 connects belt clamp 4 by bearing pin, and latch hook 3 can be around its fixing end relative to belt
The rotation of folder 4；The left end of latch hook 3 is provided with the contact corresponding with contact switch 2；Block is provided with the outside of the left end of latch hook 3
1；Sliding block 5 is movably set with the slide bar of the right-hand member of latch hook 3, sliding block 5 can be along the sliding bar of latch hook 3；When latch hook 3 is in
During horizontality, the level interval between the left end and block 1 of latch hook 3 is not more than setting；Belt clamp 4 is fixedly connected with an extension
Plate 13, door strap 13 are fixedly connected with gate 14；Belt clamp 4 is fixedly installed on timing belt 16, and timing belt 16 can drive
The side-to-side movement in the horizontal direction of belt clamp 4；Timing belt 16 is under the drive of drive device relative to gate door machine body 15 along water
Square to motion, timing belt 16 drives gate 14 to move by belt clamp 4 and door strap 13, realizes the switch gate of gate 14
Action；Block 1 is fixedly installed on gate door machine body 15；Gate door knife 11 is provided with gate 14, gate 14 moves
During the left-hand door knife 11-1 of gate door knife 11 can be driven to be moved relative to right door knife 11-2, realize to layer door croquet 12
Clamping or release action；The right door knife 11-2 of gate door knife 11 connects door knife bottom plate 17 by horizontally disposed spring catch 10,
Right door knife 11-2 can be relative to the fine motion of door knife bottom plate 17 or so；Right door knife 11-2 is fixedly connected with cam 9, the cambered surface of cam 9
It is in contact with roller 8；Roller 8 is fixedly installed on the bottom of push rod 6；The top of push rod 6 is flexibly connected sliding block 5.
The push rod 6 is actively located at least one fixed block 7, and fixed block 7 can play longitudinally guiding effect to push rod 6,
Push rod 6 is set vertically to move up and down.
When not having layer door croquet 12 between the left-hand door knife 11-1 and right door knife 11-2 of the gate door knife 11, gate 14 is in
Shutdown state, the contact of latch hook 3 are in contact with contact switch 2, and contact switch 2 closes, and car door locking device is in normal locking
State；Now, latch hook 3 is in horizontality, and roller 8 is in the minimum point of cam 9；Gate 14 is beaten by force by external force
Open, can be with moveable lock hook 3 to left while gate 14 moves to left, after latch hook 3 moves to left setting, the left end of latch hook 3 props up
Block 1, latch hook 3 can not continue to move to left so that gate 14 can not also move to left, therefore the unlatching scope of gate 14 not over
Setting.
When layer door croquet 12 is located between the left-hand door knife 11-1 and right door knife 11-2 of the gate door knife 11, gate 14 is opened
While drives the left-hand door knife 11-1 of gate door knife 11, and door knife 11-2 directions are moved to the right, left-hand door knife 11-1 and right door knife 11-2
Spacing reduce, layer door croquet 12 positioned there between is clamped, opens layer door lock；Gate 14 continues to open, sedan-chair
The left-hand door knife 11-1 of door door knife 11 continues door knife 11-2 directions to the right and moved, and left-hand door knife 11-1 thrust passes through layer door croquet 12
Right door knife 11-2 is passed to, makes fine motion to the right after right door knife 11-2 compression springs pin 10；Right door knife 11-2 fine motion drives convex
Wheel 9 moves right together, and cam 9 makes cambered surface track of the roller 8 along cam 9 move upwards while moving, and roller 8 drives
Push rod 6 is moved upwards, makes the rotate counterclockwise of latch hook 3, and the contact of latch hook 3 is separated with contact switch 2, and contact switch 2 is opened,
Car door locking device is set to be in unlocking condition, now gate 14 can be normally-open.
What the present invention can reach has the technical effect that：
The present invention can limit elevator cage door and can not open and exceed in the process of running or when elevator is parked in the position for not allowing to open the door
Setting；Only when allowing door-opened elevator, the unlatching scope of elevator cage door can exceed setting, realize normal switch door.
The present invention can avoid the situation that gate is opened or voluntarily surprisingly opened by force, play a protective role, being capable of very great Cheng
The safety of degree ground protection passenger, greatly improve the security performance of elevator.Meanwhile the present invention only increases the part of gate door pusher side,
Cost is cheap, and does not interfere with the extra demand of floor height limitation and increase to building；And to gate side and the portion of layer door side
Part, which coordinates, requires relatively low, the specifications parameter of elevator is influenceed it is smaller, can degree of implementation it is very high.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description：
Fig. 1 is the schematic diagram using the gate door machine of elevator car door locking device of the present invention；
Fig. 2 is the schematic diagram of elevator car door locking device of the present invention, and now car door locking device is in the lock state；
Fig. 3 is Fig. 2 schematic perspective view；
Fig. 4 is the latch hook of the present invention and the schematic perspective view of contact switch；
Fig. 5 is the schematic diagram of the contact switch closure of the present invention；
Fig. 6 is schematic diagram of the present invention in the first stage of opening the door；
Fig. 7 is Fig. 6 close-up schematic view；
Fig. 8 is the schematic diagram that the present invention is in enabling second stage；
Fig. 9 is Fig. 8 schematic perspective view；
Figure 10 is schematic diagram of the present invention in the phase III of opening the door；
Figure 11 is the schematic diagram that the present invention is in enabling fourth stage.
Description of reference numerals in figure：
1 is block, and 2 be contact switch,
3 be latch hook, and 4 be belt clamp,
5 be sliding block, and 6 be push rod,
7 be fixed block, and 8 be roller,
9 be cam, and 10 be spring catch,
11 be gate door knife, and 12 be layer door croquet,
11-1 is left-hand door knife, and 11-2 is right door knife,
13 be door strap, and 14 be gate,
15 be gate door machine body, and 16 be timing belt.
Embodiment
As shown in Figure 1 to Figure 3, elevator car door locking device of the present invention, including latch hook 3, the fixing end of latch hook 3 are connected by bearing pin
Lace folder 4, latch hook 3 can rotate around its fixing end relative to belt clamp 4；The left end of latch hook 3 is provided with and contact switch 2
Corresponding contact, when the contact of latch hook 3 is in contact with contact switch 2, contact switch 2 closes, such as Fig. 4, Fig. 5 institute
Show；Block 1 is provided with the outside of the left end of latch hook 3；Sliding block 5 is movably set with the slide bar of the right-hand member of latch hook 3, sliding block 5 being capable of edge
The sliding bar of latch hook 3；
When car door locking device is in the lock state, the level interval between the left end and block 1 of latch hook 3 is (logical no more than setting
Often it is 50mm)；
Belt clamp 4 is fixedly connected with door strap 13, and door strap 13 is fixedly connected with gate 14；Belt clamp 4 is fixedly installed on timing belt
On 16, timing belt 16 can drive the side-to-side movement in the horizontal direction of belt clamp 4；The belt wheel of timing belt 16 is arranged at gate door machine
On body 15；
Timing belt 16 moves in the horizontal direction under the drive of drive device relative to gate door machine body 15, and timing belt 16 passes through
Belt clamp 4 and door strap 13 drive gate 14 to move, and realize the switch gate action of gate 14；Block 1 is fixedly installed on gate
On door machine body 15；
Gate door knife 11 is provided with gate 14, gate 14 can drive the left-hand door knife 11-1 of gate door knife 11 during moving
Moved relative to right door knife 11-2, realize clamping or release action to layer door croquet 12；
The left-hand door knife 11-1 of gate door knife 11 is flexibly connected door knife bottom plate 17 by two connecting rods, and left-hand door knife 11-1 can be relative
In the side-to-side movement of door knife bottom plate 17；The right door knife 11-2 of gate door knife 11 connects door knife bottom by horizontally disposed spring catch 10
Plate 17, right door knife 11-2 can be relative to the fine motions of door knife bottom plate 17 or so；Door knife bottom plate 17 is fixedly connected with gate 14；
Right door knife 11-2 is bolted to connection cam 9, and the cambered surface of cam 9 is in contact with roller 8；
Roller 8 is fixedly installed on the bottom of push rod 6；The top of push rod 6 is flexibly connected sliding block 5 by bearing pin；
Push rod 6 is actively located in two fixed blocks 7, and fixed block 7 can play longitudinally guiding effect to push rod 6, make push rod
6 can only vertically move up and down.
The operation principle of the present invention is as follows：
When in running process of elevator or not allowing door-opened elevator, gate 14 is in shutdown state, the contact and contact of latch hook 3
Switch 2 is in contact, and contact switch 2 closes, and car door locking device is in normal lock state, as shown in Figure 2 and Figure 3；The shape
Under state, latch hook 3 is in horizontality, and roller 8 is in the minimum point of cam 9；Now, the left and right door knife of gate door knife 11 it
Between there is no layer door croquet 12, right door knife 11-2 does not stress, the keep level state of latch hook 3；Even if gate 14 is strong by external force
It is capable to open, band moveable lock hook 3 is understood while gate 14 moves to left to left, after latch hook 3 moves to left setting, the left end of latch hook 3
Block 1 is propped up, latch hook 3 can not continue to move to left so that gate 14 can not also move to left, therefore the unlatching scope of gate 14 will not
More than setting；
Elevator normal door includes four-stage, and the first stage, gate 14 opened a small distance (about as shown in Figure 6, Figure 7
15mm), the left-hand door knife 11-1 of gate door knife 11 is moved right, and left-hand door knife 11-1 and right door knife 11-2 spacing reduces, by position
Layer door croquet 12 in therebetween clamps (layer door croquet 12 is changed into plumbness from heeling condition), opens layer door lock；
As shown in Figure 8, Figure 9, the distance that gate 14 is opened increases (about 25mm) to second stage, the left-hand door knife of gate door knife 11
11-1 continues to move right, and left-hand door knife 11-1 thrust passes to right door knife 11-2 by layer door croquet 12, makes right door knife 11-2
Fine motion to the right after compression spring pin 10；Right door knife 11-2 fine motion is moved right together by bolt band moving cam 9, cam 9
Cambered surface track of the roller 8 along cam 9 is set to move upwards while motion, roller 8 drives push rod 6 to move upwards, makes latch hook 3
Rotate counterclockwise, the contact of latch hook 3 are separated with contact switch 2, and contact switch 2 is opened, and car door locking device is in unlocking shape
State；
Phase III is as shown in Figure 10, and gate 14 continues to open, and car door locking device keeps unlocking condition, and follows door strap 13
Moved together with gate 14；Now the left end of latch hook 3 will not contact with block 1, nor can be contacted with timing belt 16；
Fourth stage is as shown in figure 11, and gate 14 is run to full-gear.
Contact and effect of the present invention by gate side door knife with layer door croquet, to make layer Men Menji get involved in the running of gate door machine
In, no longer only gate door machine key-course Men Menji opening and closing, layer Men Menji limits gate door machine also by associated mechanisms
Running.
The present invention is not limited to embodiment discussed above.The description to embodiment is intended to describe and say above
Bright technical scheme of the present invention.The obvious conversion or replacement enlightened based on the present invention should also be as being considered within this hair
Bright protection domain.Embodiment above is used for disclosing the optimal implementation of the present invention, to cause the common of this area
Technical staff can apply numerous embodiments of the invention and a variety of alternatives to reach the purpose of this patent.
Claims (5)
- A kind of 1. elevator car door locking device, it is characterised in that：Including latch hook (3), the fixing end connection belt clamp of latch hook (3) (4), latch hook (3) can rotate around its fixing end relative to belt clamp (4)；The left end of latch hook (3) is provided with to be opened with contact Close (2) corresponding contact；Block (1) is fixedly installed on the outside of the left end of latch hook (3)；On the slide bar of latch hook (3) right-hand member Sliding block (5) is movably set with, sliding block (5) can be along the sliding bar of latch hook (3)；When latch hook (3) is in horizontality, Level interval between the left end and block (1) of latch hook (3) is not more than setting；Belt clamp (4) is fixedly connected with door strap (13), and door strap (13) is fixedly connected with gate (14)；Belt clamp (4) is solid Surely it is arranged on timing belt (16)；Gate door knife (11) is provided with gate (14), gate (14) can drive gate door knife (11) during moving Left-hand door knife (11-1) moved relative to right door knife (11-2), realize clamping to layer door croquet (12) or release action； The right door knife (11-2) of gate door knife (11) connects door knife bottom plate (17), right door knife by horizontally disposed spring catch (10) (11-2) can be relative to door knife bottom plate (17) left and right fine motion；Right door knife (11-2) is fixedly connected with cam (9), cam (9) Cambered surface be in contact with roller (8)；Roller (8) is fixedly installed on the bottom of push rod (6)；The top of push rod (6) is flexibly connected sliding block (5).
- 2. elevator car door locking device according to claim 1, it is characterised in that：The push rod (6) be actively located in In a few fixed block (7), fixed block (7) can play longitudinally guiding effect to push rod (6), make push rod (6) can only Vertically move up and down.
- 3. elevator car door locking device according to claim 1, it is characterised in that：The block (1) is fixedly installed on sedan-chair On Men Menji bodies (15).
- 4. elevator car door locking device according to claim 1, it is characterised in that：When a left side for the gate door knife (11) When not having layer door croquet (12) between door knife (11-1) and right door knife (11-2), gate (14) is in shutdown state, lock The contact of hook (3) is in contact with contact switch (2), and contact switch (2) closure, car door locking device is in normal lock state； Now, latch hook (3) is in horizontality, and roller (8) is in the minimum point of cam (9)；Gate (14) is by external force quilt Open by force, while gate (14) moves to left can band moveable lock hook (3) to left, after latch hook (3) moves to left setting, The left end of latch hook (3) props up block (1), and latch hook (3) can not continue to move to left so that and gate (14) can not also move to left, because The unlatching scope of this gate (14) is not over setting.
- 5. elevator car door locking device according to claim 1, it is characterised in that：When layer door croquet (12) is positioned at described When between the left-hand door knife (11-1) and right door knife (11-2) of gate door knife (11), gate (14) drives sedan-chair while opening The left-hand door knife (11-1) of door door knife (11) to the right move by door knife (11-2) direction, left-hand door knife (11-1) and right door knife (11-2) Spacing reduce, layer door croquet (12) positioned there between is clamped, opens layer door lock；Gate (14) continues to beat Open, the left-hand door knife (11-1) of gate door knife (11) continues door knife (11-2) direction to the right and moved, left-hand door knife (11-1) Thrust passes to right door knife (11-2) by layer door croquet (12), makes after right door knife (11-2) compression spring pin (10) to the right Fine motion；The fine motion band moving cam (9) of right door knife (11-2) moves right together, and cam (9) makes roller (8) while moving Moved upwards along the cambered surface track of cam (9), roller (8) drives push rod (6) to move upwards, makes latch hook (3) counterclockwise Rotation, the contact of latch hook (3) are separated with contact switch (2), and contact switch (2) is opened, and are in car door locking device and are unlocked State, now gate (14) can be normally-open.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610334226.4A CN107399661B (en) | 2016-05-19 | 2016-05-19 | Elevator car door locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610334226.4A CN107399661B (en) | 2016-05-19 | 2016-05-19 | Elevator car door locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107399661A true CN107399661A (en) | 2017-11-28 |
| CN107399661B CN107399661B (en) | 2019-08-27 |
Family
ID=60393975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610334226.4A Active CN107399661B (en) | 2016-05-19 | 2016-05-19 | Elevator car door locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107399661B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008528399A (en) * | 2005-01-28 | 2008-07-31 | 三菱電機株式会社 | Elevator car door lock device |
| CN102642758A (en) * | 2012-05-15 | 2012-08-22 | 苏州易升电梯部件有限公司 | Simple elevator car door lock |
| CN203558690U (en) * | 2013-09-22 | 2014-04-23 | 西尼电梯(杭州)有限公司 | A car door lock in an elevator door lock device |
| CN205739980U (en) * | 2016-05-19 | 2016-11-30 | 三菱电机上海机电电梯有限公司 | Elevator car door locking device |
-
2016
- 2016-05-19 CN CN201610334226.4A patent/CN107399661B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008528399A (en) * | 2005-01-28 | 2008-07-31 | 三菱電機株式会社 | Elevator car door lock device |
| CN102642758A (en) * | 2012-05-15 | 2012-08-22 | 苏州易升电梯部件有限公司 | Simple elevator car door lock |
| CN203558690U (en) * | 2013-09-22 | 2014-04-23 | 西尼电梯(杭州)有限公司 | A car door lock in an elevator door lock device |
| CN205739980U (en) * | 2016-05-19 | 2016-11-30 | 三菱电机上海机电电梯有限公司 | Elevator car door locking device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107399661B (en) | 2019-08-27 |
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