CN109441248B - Split type single-unlocking door lock of elevator - Google Patents
Split type single-unlocking door lock of elevator Download PDFInfo
- Publication number
- CN109441248B CN109441248B CN201811435923.4A CN201811435923A CN109441248B CN 109441248 B CN109441248 B CN 109441248B CN 201811435923 A CN201811435923 A CN 201811435923A CN 109441248 B CN109441248 B CN 109441248B
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- unlocking
- lock
- hook
- movable
- door
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- 239000010410 layer Substances 0.000 claims abstract description 16
- 229920001971 elastomer Polymers 0.000 claims abstract description 9
- 239000000806 elastomer Substances 0.000 claims abstract description 9
- 239000002356 single layer Substances 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 22
- 230000009471 action Effects 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B3/00—Fastening knobs or handles to lock or latch parts
Abstract
The invention provides an elevator split type single-unlocking layer door lock, which further comprises a second movable lock hook, a second fixed lock hook, a second manual unlocking component, a door knife unlocking component and a lock hook elastomer; the middle part of the second movable lock hook is movably hinged to the lock bottom plate, one end part of the second movable lock hook is fixedly connected to the second manual unlocking component, and the other end part of the second movable lock hook abuts against the door knife unlocking component; the split type single-layer door lock of the elevator guarantees the safety of manual unlocking on the technical level, and has strong practicability.
Description
Technical Field
The invention relates to the field of elevator door locks, in particular to a split type single-unlocking layer door lock of an elevator.
Background
The elevator landing door lock is also called a hall door lock, is installed at the landing door of each floor, and is a safety device for ensuring that the landing door is not opened by personnel outside the hall. Only when the elevator enters the unlocking area and stops at a flat floor, the landing doors can be synchronously opened by the door knife on the car door. In emergency situations or when maintenance personnel need to enter a hoistway or get on top of a car to maintain an elevator, landing doors can be opened by trained elevator professionals from outside the landing doors by means of a triangular key. When the landing door is opened from the outside of the landing door by means of the triangular key, safety operation regulations need to be complied with, for example, the landing door cannot be opened once, a certain gap should be opened first, and the landing door is fully opened after the car is confirmed to be in a safety position.
However, because the elevator in China has huge maintenance quantity and the number of specialized maintenance personnel is seriously insufficient, the quality of the specialized personnel is uneven, the operation behaviors are not standardized and are ubiquitous, the specialized personnel can open the landing door completely at one time sometimes, and accidents of falling into a hoistway can be caused by slight carelessness.
Therefore, the existing landing door lock can effectively prevent non-professional personnel from opening the landing door, but cannot effectively prevent safety accidents caused by non-standard operation of professional personnel from the technical aspect.
Disclosure of Invention
In order to solve the problems, the invention provides the split type single-unlocking floor door lock of the elevator, which is designed for the nonstandard operation of professionals, technically ensures that even if professionals take nonstandard operation, the split type single-unlocking floor door lock of the elevator can not cause falling accidents, and can unlock the floor door, thereby enhancing the safety of the floor door lock.
The invention adopts the following technical scheme:
the split type single-unlocking-layer door lock for the elevator comprises a first movable lock hook, a first fixed lock hook, a lock wheel assembly, a lock bottom plate and a first manual unlocking assembly, wherein the first movable lock hook and the lock wheel assembly are fixedly connected into a whole, the lock wheel assembly is movably hinged to the lock bottom plate, the first manual unlocking assembly comprises a first unlocking deflector rod, a first unlocking swing rod and an unlocking rotating shaft, one end of the first unlocking swing rod is fixedly connected to the first movable lock hook, the other end of the first unlocking swing rod abuts against the first unlocking deflector rod, and the split type single-unlocking-layer door lock further comprises a second movable lock hook, a second fixed lock hook, a second manual unlocking assembly, a door knife unlocking assembly and a lock hook elastomer;
the middle part of the second movable lock hook is movably hinged to the lock bottom plate, one end part of the second movable lock hook is fixedly connected to the second manual unlocking component, and the other end part of the second movable lock hook abuts against the door knife unlocking component;
the second movable lock hook is kept motionless under the action of the lock hook elastomer, and the second fixed lock hook is fixed on a door head plate with motionless position;
the second manual unlocking assembly comprises a second unlocking deflector rod and a second unlocking swing rod, one end of the second unlocking deflector rod is fixedly connected to the unlocking rotating shaft, the other end of the second unlocking deflector rod abuts against the second unlocking swing rod, and one end of the second unlocking swing rod is fixedly connected to the second movable lock hook;
the door knife unlocking assembly comprises a pressing contact plate, a cone and an unlocking elastic body, wherein the pressing contact plate is used for being pressed by the door knife, one end of the cone is fixedly connected with the pressing contact plate, the other conical end of the cone abuts against the second movable locking hook, and the unlocking elastic body is sleeved on the cone, and two ends of the cone abut against the locking bottom plate and the pressing contact plate respectively.
Preferably, the latch hook elastic body is a torsion spring.
Preferably, a latch hook part is disposed in the second movable latch hook, and two side surfaces of the latch hook part can respectively abut against the cone and the second fixed latch hook.
Preferably, the pressing contact plate is in a shape that a middle part is vertical and both end parts are inclined to the lock bottom plate direction.
Preferably, the unlocking elastic body is a compression spring.
Preferably, a sleeve sleeved on the cone is fixedly arranged in the lock bottom plate, and two ends of the unlocking elastic body respectively lean against the sleeve and the pressing contact plate.
Preferably, the second fixed latch hook is L-shaped, and one straight edge of the second fixed latch hook is fixed on the door head plate, and the other straight edge is used for blocking the second movable latch hook.
Preferably, a safety slot is formed in a position, meshed with the second fixed lock hook, in the lock hook portion of the second movable lock hook, and when an external force applied to the second movable lock hook exceeds a specified limit, the safety slot breaks the lock hook portion of the second movable lock hook.
Preferably, when the second movable lock hook interacts with the second fixed lock hook, the engagement depth of the second movable lock hook and the second fixed lock hook is not less than 7mm.
Preferably, the first unlocking deflector rod and the second unlocking deflector rod are arranged in a mirror image mode by taking the unlocking rotating shaft as the center.
Compared with the prior art, the invention has the beneficial effects that: this split type single layer lock of opening of elevator is through newly-increased subassembly second dynamic lock hook, second fixed latch hook, second manual subassembly of unblanking, door sword subassembly and latch hook elastomer of unblanking, cooperation original first dynamic lock hook, first fixed latch hook, lock wheel subassembly, lock bottom plate and first manual subassembly of unblanking, breaks down the manual of layer door and opens the manual of for must according to two steps that prescribed flow operation accomplished, has guaranteed the security of manual the unblanking on technical aspect, and does not influence the action of opening the door of original door sword. In addition, the split type single-unlocking layer door lock of the elevator can be improved on the basis of the original elevator door lock, so that the cost of production process improvement is reduced, the improvement of the existing elevator is facilitated, and the elevator has strong practicability.
Drawings
Fig. 1 is a schematic diagram of a locked state of an elevator landing door lock in the prior art.
Fig. 2 is a schematic diagram of an unlocked state of the elevator landing door lock corresponding to fig. 1.
Fig. 3 is a schematic diagram of a prior art door knife unlocking process.
Fig. 4 is a schematic structural view of an elevator split type single-unlocking door lock according to an embodiment of the present invention.
Fig. 5 is a partially enlarged structural schematic view of the FD portion corresponding to fig. 4.
Fig. 6 is a schematic view of the a-direction structure corresponding to fig. 5.
Fig. 7 is a schematic view of the B-direction structure corresponding to fig. 6.
Fig. 8 is a schematic structural view of the split type single-unlocking layer door lock of the elevator corresponding to fig. 4 when the door lock is unlocked for the first time.
Fig. 9 is a schematic structural view of the split type single-unlocking landing door lock of the elevator corresponding to fig. 8 when the landing door is slotted after the first unlocking.
Fig. 10 is a schematic structural view of the split type single-unlocking layer door lock of the elevator corresponding to fig. 9 when the split type single-unlocking layer door lock is unlocked for the second time.
Fig. 11 is a schematic structural view of a second movable latch hook corresponding to fig. 4
Reference numerals illustrate:
local amplification: FD first view direction: a second view direction: b (B)
Door knife: MD door leaf: MS (MS)
First movable lock hook: 1. and (3) a return spring: 11
First lock hook: 2
Locking wheel assembly: 3. moving lock wheel: 31. locking wheel: 32
Lock base plate: 4
First manual unlocking assembly: 5
The first unlocking swing rod comprises: 51. the first unlocking deflector rod: 52. unlocking a rotating shaft: 53
The second movable lock hook: 6. latch hook elastomer: 61. latch hook part: 62
Safety grooving: 63
Second manual unlocking component: 7
The second unlocking swing rod: 71. the second unlocking deflector rod: 72
Second fixed latch hook: 8
Door sword unlocking component: 9. pressing the touch plate: 91. a sleeve: 92
Cone: 93. unlocking elastic body: 94.
Detailed Description
For a further understanding of the objects, construction, features, and functions of the invention, reference should be made to the following detailed description of the preferred embodiments.
When the elevator normally operates, the landing door is unlocked by the door knife MD, the working process is shown in fig. 3, firstly, the elevator car enters an unlocking area and stops in a flat landing, and at the moment, the door knife MD on the car door clamps the lock wheel assembly 3 as shown in the upper diagram in fig. 3. Then, as shown in the lower diagram of fig. 3, the door knife MD toggles the lock wheel assembly 3 to swing and disengage the first movable lock hook 1 from the first fixed lock hook 2, thereby completing unlocking. After unlocking, the door blade MD clamps the lock wheel assembly 3 to drive the door leaf MS to open the landing door. And in case of emergency or when maintenance personnel need to enter a hoistway or go to the car roof to maintain the elevator, the landing door is opened by adopting a manual unlocking mode.
The prior layer door lock structure principle is shown in fig. 1, and mainly comprises a first movable lock hook 1, a first fixed lock hook 2, a lock wheel assembly 3, a lock bottom plate 4 and a first manual unlocking assembly 5. Wherein, the first latch hook 2 is fixed on the door head plate of the landing door, and the position of the first latch hook is kept fixed. The lock wheel assembly 3 comprises a fixed lock wheel 32 and a movable lock wheel 31, and the fixed lock wheel 32 and the movable lock wheel 31 are fixed on the first movable lock hook 1. The first movable lock hook 1 and the lock wheel assembly 3 are movably hinged to the lock bottom plate 4 through the fixed lock wheel 32, namely the first movable lock hook 1 and the lock wheel assembly 3 can be taken as a whole, the center of the fixed lock wheel 32 is taken as a rotation center to swing relative to the lock bottom plate 4, and when the fixed lock wheel 32 swings, the first movable lock hook 1 and the first fixed lock hook 2 can be separated from engagement, so that unlocking is realized, namely the door knife MD unlocking is realized.
The first manual unlocking assembly 5 comprises a first unlocking deflector rod 52 and a first unlocking swing rod 51, the upper end of the first unlocking swing rod 51 is fixed on the first movable lock hook 1 through a screw, and the lower end of the first unlocking swing rod 51 abuts against the first unlocking deflector rod 52. The upper end of the first unlocking driving lever 52 is fixed on the unlocking rotating shaft 53, that is, when unlocking, the unlocking rotating shaft 53 can drive the first unlocking driving lever 52 to swing.
The layer door lock shown in fig. 1 is in a locked state, in which the first movable locking hook 1 is engaged with the first fixed locking hook 2 under the action of the return spring 11 at the upper part thereof. The landing door lock shown in fig. 2 is in an unlocking state, at this time, the unlocking rotating shaft 53 is rotated by a triangular key outside the landing door, the unlocking rotating shaft 53 drives the first unlocking driving lever 52 to swing, and the first unlocking driving lever 52 drives the first unlocking swing rod 51 to rotate around the center of the locking wheel 32 against the first movable locking hook 1, so that the first movable locking hook 1 and the first fixed locking hook 2 are finally disengaged, and the manual unlocking process is completed.
However, the potential safety hazard existing in the actual operation is shown in fig. 2, after the manual unlocking, the landing door can be completely opened once, the safety protection effect of the landing door is completely lost, if the car is not stopped near the flat landing position of the floor at this time, after the landing door is completely opened once, the car faces deep, dark and unprotected shafts, and unlocking personnel can fall accidents caused by psychological fear and other factors.
In order to ensure that the landing door cannot be completely opened at one time from the technical level, an elevator split type single-opening landing door lock according to an embodiment of the present invention is shown in fig. 4 and 5. Embodiments of the present invention include a second movable shackle 6, a second stationary shackle 8, a second manual unlocking assembly 7, a door knife unlocking assembly 9, and a shackle elastomer 61, in addition to conventional components found in existing layer door locks.
The second movable latch hook 6 is shaped as shown in fig. 4 and 11, a latch hook portion 62 is disposed at a side of a middle portion thereof, and two side surfaces of the latch hook portion 62 can respectively abut against a conical end of the cone 93 (see fig. 6) and the second stationary latch hook 8.
As shown in fig. 4-6, the middle part of the second movable latch hook 6 is movably hinged to the lock bottom plate 4 through a pin shaft, and as shown in fig. 6, a latch hook elastic body 61 is sleeved on the hinge pin shaft between the second movable latch hook 6 and the lock bottom plate 4, in this embodiment, the latch hook elastic body 61 is a torsion spring, under the action of the torsion spring, the second movable latch hook 6 has a tendency to rotate around the movable hinge part, but the position of the second movable latch hook 6 remains relatively motionless due to the blocking of the second manual unlocking component 7 and the door knife unlocking component 9.
The second fixed latch hook 8 is fixed on the fixed door head plate, that is, the second fixed latch hook 8 does not move along with the door leaf, the second fixed latch hook 8 may be hook-shaped or L-shaped, in this embodiment, as shown in fig. 6, the second fixed latch hook 8 is L-shaped, and a straight edge on one side of the second fixed latch hook 8 is fixed on the door head plate, and a straight edge on the other side is used for blocking the second movable latch hook 6.
Further, as shown in fig. 4, the second manual unlocking assembly 7 includes a second unlocking lever 72 and a second unlocking swing lever 71. One end of the second unlocking driving lever 72 is fixedly connected to the unlocking rotating shaft 53, and the other end abuts against the second unlocking swing rod 71. The first unlocking deflector rod 52 and the second unlocking deflector rod 72 are fixedly connected with the unlocking rotating shaft 53, and the first unlocking deflector rod 52 and the second unlocking deflector rod 72 are arranged in a mirror image mode by taking the unlocking rotating shaft 53 as a center, namely, are bilaterally symmetrical, and when the unlocking rotating shaft 53 rotates clockwise or anticlockwise respectively, the first unlocking deflector rod 52 and the second unlocking deflector rod 72 can be driven to rotate clockwise or anticlockwise simultaneously. One end of the second unlocking swing link 71 is fixedly connected to the second movable lock hook 6.
As shown in fig. 6, the door knife unlocking assembly 9 includes a pressing touch plate 91, a cone 93, and an unlocking elastic body 94. The pressing contact plate 91 may be pressed by the door knife MD as shown in fig. 7. Since the door knife MD moves from above or below to the door opening area, the pressing contact plate 91 needs to be provided with a guide structure for facilitating the entry and exit of the door knife MD, and in this embodiment, the pressing contact plate 91 is designed in a shape in which the middle portion is vertical and both end portions are inclined inward, i.e., in the direction of the lock bottom plate 4.
One end of the cone 93 is fixedly connected to the pressing contact plate 91, and the other conical end abuts against the second movable latch hook 6. The unlocking elastic body 94 is sleeved on the cone 93, and two ends of the unlocking elastic body respectively lean against the lock bottom plate 4 and the pressing touch plate 91. In addition, a sleeve 92 may be fixedly disposed in the lock base, the sleeve 92 is sleeved on the cone 93, and at this time, two ends of the unlocking elastic body 94 may be respectively abutted against the sleeve 92 and the pressing contact plate 91. The unlocking elastic body 94 may be selected as a compression spring.
The split type single-unlocking layer door lock of the elevator of the embodiment can be suitable for two operation states of the elevator, when the elevator normally operates, as shown in fig. 7, a door knife MD moves to an unlocking area of a layer door along with a car from above or below a hoistway, the door knife MD can press a pressing contact plate 91 in the process of moving to the unlocking area, the pressing contact plate 91 overcomes the elasticity of an unlocking elastic body 94 to inwards press a cone 93, the conical end of the cone 93 inwards moves and presses a locking hook part 62 of a second movable locking hook 6 to rotate a certain angle around a movable hinging part, so that the blocking of a second fixed locking hook 8 is avoided. In this state, the door knife MD can clamp the lock wheel assembly 3 to drive the door leaf MS to complete the automatic unlocking process.
When the manual unlocking is needed, the unlocking process can be divided into three processes of first unlocking, layer door slotting and second unlocking, and the working principle of the unlocking process is shown in figures 4, 8, 9 and 10. Before unlocking, as shown in fig. 4, the first movable lock hook 1 is engaged with the first fixed lock hook 2. When manual unlocking is needed, as shown in fig. 8, the unlocking rotating shaft 53 is rotated clockwise by a triangular key outside the landing door, the unlocking rotating shaft 53 drives the first unlocking driving lever 52 to swing, and the first unlocking driving lever 52 drives the first unlocking swing rod 51 to rotate around the center of the locking wheel 32 against the first movable lock hook 1, so that the first movable lock hook 1 and the first fixed lock hook 2 are finally disengaged, and the first unlocking is completed. Then the landing door is opened by a certain gap, namely the landing door is opened, as shown in fig. 9, at this time, the second movable lock hook 6 is blocked by the second fixed lock hook 8, and the landing door cannot be opened continuously.
At this time, the operator can confirm the position of the car in the hoistway through the slotting of the landing door, if the landing door is not in the safe position, the triangular key is loosened, the landing door is automatically closed, if the landing door is further opened in the safe position, the specific opening principle is as shown in fig. 10, the unlocking rotating shaft 53 is reversely rotated anticlockwise by the triangular key outside the landing door, the unlocking rotating shaft 53 drives the second unlocking driving lever 72 to swing, the second unlocking driving lever 72 drives the second unlocking swing rod 71 to rotate around the center of the movable hinge against the second movable lock hook 6, and the second movable lock hook 1 and the second fixed lock hook 8 are disengaged, so that the second unlocking is completed.
In addition, a safety slot 63 is formed in a portion of the second movable lock hook 6 engaged with the second fixed lock hook 8, and when the second movable lock hook 6 fails and is always engaged with the second fixed lock hook 8, the lock hook portion 62 of the fixed second movable lock hook 6 is broken at the safety slot 63 by applying a force of a prescribed limit, thereby realizing an unlocking function under extreme conditions.
Meanwhile, in order to ensure the full engagement of the second movable lock hook 6 and the second fixed lock hook 8, when the second movable lock hook 6 and the second fixed lock hook 8 are mutually engaged and play a locking role, the engagement depth of the second movable lock hook 6 and the second fixed lock hook 8 is not less than 7mm.
Compared with the prior art, the split type single-unlocking landing door lock for the elevator breaks down manual unlocking of landing doors into two steps which are required to be completed according to the operation of a specified flow, ensures the safety of manual unlocking on the technical level, and does not influence the normal unlocking function of the original landing door knife MD. In addition, the elevator connecting rod type landing door lock can be improved on the basis of the original elevator door lock, so that the cost of production process improvement is reduced, the improvement of the existing elevator is facilitated, and the elevator connecting rod type landing door lock has strong practicability.
The invention has been described with respect to the above-described embodiments, however, the above-described embodiments are merely examples of practicing the invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (9)
1. The split type single-unlocking-layer door lock for the elevator comprises a first movable lock hook, a first fixed lock hook, a lock wheel assembly, a lock bottom plate and a first manual unlocking assembly, wherein the first movable lock hook and the lock wheel assembly are fixedly connected into a whole, the lock wheel assembly is movably hinged to the lock bottom plate, the first manual unlocking assembly comprises a first unlocking deflector rod, a first unlocking swing rod and an unlocking rotating shaft, one end of the first unlocking swing rod is fixedly connected to the first movable lock hook, and the other end of the first unlocking swing rod abuts against the first unlocking deflector rod;
the middle part of the second movable lock hook is movably hinged to the lock bottom plate, one end part of the second movable lock hook is fixedly connected to the second manual unlocking component, and the other end part of the second movable lock hook abuts against the door knife unlocking component;
the second movable lock hook is kept motionless under the action of the lock hook elastomer, and the second fixed lock hook is fixed on a door head plate with motionless position; the second manual unlocking assembly comprises a second unlocking deflector rod and a second unlocking swing rod, one end of the second unlocking deflector rod is fixedly connected to the unlocking rotating shaft, the other end of the second unlocking deflector rod is propped against the second unlocking swing rod, the first unlocking deflector rod and the second unlocking deflector rod are arranged in a mirror image mode by taking the unlocking rotating shaft as the center, and one end portion of the second unlocking swing rod is fixedly connected to the second movable lock hook;
the door knife unlocking assembly comprises a pressing contact plate, a cone and an unlocking elastic body, wherein the pressing contact plate is used for being pressed by the door knife, one end of the cone is fixedly connected with the pressing contact plate, the other conical end of the cone abuts against the second movable locking hook, and the unlocking elastic body is sleeved on the cone, and two ends of the cone abut against the locking bottom plate and the pressing contact plate respectively.
2. The split single-door lock of claim 1, wherein the shackle elastomer is a torsion spring.
3. The split type single-unlocking door lock for an elevator according to claim 1, wherein a locking hook part is arranged in the second movable locking hook, and two side surfaces of the locking hook part can respectively abut against the cone and the second fixed locking hook.
4. The split type single-unlocking door lock for an elevator according to claim 1, wherein the pressing contact plate has a shape in which a middle portion is vertical and both end portions are inclined toward the lock bottom plate.
5. The split single-layer door lock of claim 1, wherein the unlocking elastomer is a compression spring.
6. The split type single-unlocking door lock for an elevator according to claim 1, wherein a sleeve sleeved on the cone is fixedly arranged in the lock bottom plate, and two ends of the unlocking elastic body respectively abut against the sleeve and the pressing contact plate.
7. The split type single-unlocking door lock for an elevator according to claim 1, wherein the second locking hook is L-shaped, and a straight edge of the second locking hook is fixed to the door head plate, and the other straight edge is used for blocking the second movable locking hook.
8. The split type single-unlocking door lock for an elevator according to claim 1, wherein a safety slot is formed in a portion, which is engaged with the second fixed latch hook, of the latch hook portion of the second movable latch hook, and the safety slot breaks the latch hook portion of the second movable latch hook when the second movable latch hook is subjected to an external force exceeding a prescribed limit.
9. The split single-layer door lock for an elevator according to claim 1, wherein when the second movable lock hook interacts with the second fixed lock hook, a depth of engagement of the second movable lock hook with the second fixed lock hook is not less than 7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811435923.4A CN109441248B (en) | 2018-11-28 | 2018-11-28 | Split type single-unlocking door lock of elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811435923.4A CN109441248B (en) | 2018-11-28 | 2018-11-28 | Split type single-unlocking door lock of elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109441248A CN109441248A (en) | 2019-03-08 |
| CN109441248B true CN109441248B (en) | 2024-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811435923.4A Active CN109441248B (en) | 2018-11-28 | 2018-11-28 | Split type single-unlocking door lock of elevator |
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| CN (1) | CN109441248B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113027247B (en) * | 2019-12-24 | 2023-12-22 | 博西华电器（江苏）有限公司 | Door lock and household appliance |
Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2292872Y (en) * | 1996-02-16 | 1998-09-30 | 陈林涛 | Push-button semi-automatic lock for sliding door or window |
| JP2009012963A (en) * | 2007-07-09 | 2009-01-22 | Mitsubishi Electric Corp | Safety device of elevator |
| JP2009263083A (en) * | 2008-04-24 | 2009-11-12 | Nakamura Denki Seisakusho:Kk | Door lock switch device |
| CN201512339U (en) * | 2009-07-15 | 2010-06-23 | 郭培正 | Manual secondary opening safety protection device for elevator layer door |
| CN201626745U (en) * | 2010-02-04 | 2010-11-10 | 陈敬 | Twice-unlocking and anti-falling device of door lock of elevator |
| JP2010269895A (en) * | 2009-05-21 | 2010-12-02 | Hitachi Building Systems Co Ltd | Device for unlocking landing door of elevator |
| CN201808983U (en) * | 2010-06-05 | 2011-04-27 | 山东云锦成智能科技有限公司 | Safety protection device for outside unlocking in elevator hall |
| CN201864426U (en) * | 2010-06-21 | 2011-06-15 | 深圳市特种设备安全检验研究院 | Door lock for landing door of lift |
| CN201942398U (en) * | 2010-06-21 | 2011-08-24 | 深圳市特种设备安全检验研究院 | Elevator landing door lock |
| JP2013023369A (en) * | 2011-07-25 | 2013-02-04 | Toshiba Elevator Co Ltd | Elevator hall door device |
| CN203545418U (en) * | 2013-10-25 | 2014-04-16 | 上海三菱电梯有限公司 | Anti-falling safety protection device for elevator landing door |
| JP2014156336A (en) * | 2013-02-18 | 2014-08-28 | Fujitec Co Ltd | Unlocking device of elevator landing door |
| CN104418218A (en) * | 2013-08-27 | 2015-03-18 | 上海三菱电梯有限公司 | Elevator landing door device |
| CN104528505A (en) * | 2014-12-15 | 2015-04-22 | 展鹏科技股份有限公司 | Integrated car door locking blade |
| CN104760871A (en) * | 2014-01-07 | 2015-07-08 | 日立电梯（中国）有限公司 | Outer manual unlocking device of elevator car locking hall |
| CN204917580U (en) * | 2015-07-31 | 2015-12-30 | 东芝电梯株式会社 | Elevator |
| CN106744214A (en) * | 2017-03-29 | 2017-05-31 | 日立电梯（中国）有限公司 | A kind of layer door with defencive function is opened |
| CN207017812U (en) * | 2017-07-25 | 2018-02-16 | 日立电梯（中国）有限公司 | It is a kind of with the elevator inlay door locking device opened in advance |
| WO2018105109A1 (en) * | 2016-12-09 | 2018-06-14 | 三菱電機株式会社 | Interlock device for elevator |
| CN108439158A (en) * | 2018-04-12 | 2018-08-24 | 永大电梯设备（中国）有限公司 | Elevator gate enabling limits device |
| JP2018135198A (en) * | 2017-02-23 | 2018-08-30 | 三菱電機ビルテクノサービス株式会社 | Unlocking device of elevator landing door and unlocking system of elevator landing door |
| CN209413531U (en) * | 2018-11-28 | 2019-09-20 | 苏州市职业大学 | The split type single layers apart door lock of elevator |
-
2018
- 2018-11-28 CN CN201811435923.4A patent/CN109441248B/en active Active
Patent Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2292872Y (en) * | 1996-02-16 | 1998-09-30 | 陈林涛 | Push-button semi-automatic lock for sliding door or window |
| JP2009012963A (en) * | 2007-07-09 | 2009-01-22 | Mitsubishi Electric Corp | Safety device of elevator |
| JP2009263083A (en) * | 2008-04-24 | 2009-11-12 | Nakamura Denki Seisakusho:Kk | Door lock switch device |
| JP2010269895A (en) * | 2009-05-21 | 2010-12-02 | Hitachi Building Systems Co Ltd | Device for unlocking landing door of elevator |
| CN201512339U (en) * | 2009-07-15 | 2010-06-23 | 郭培正 | Manual secondary opening safety protection device for elevator layer door |
| CN201626745U (en) * | 2010-02-04 | 2010-11-10 | 陈敬 | Twice-unlocking and anti-falling device of door lock of elevator |
| CN201808983U (en) * | 2010-06-05 | 2011-04-27 | 山东云锦成智能科技有限公司 | Safety protection device for outside unlocking in elevator hall |
| CN201864426U (en) * | 2010-06-21 | 2011-06-15 | 深圳市特种设备安全检验研究院 | Door lock for landing door of lift |
| CN201942398U (en) * | 2010-06-21 | 2011-08-24 | 深圳市特种设备安全检验研究院 | Elevator landing door lock |
| JP2013023369A (en) * | 2011-07-25 | 2013-02-04 | Toshiba Elevator Co Ltd | Elevator hall door device |
| JP2014156336A (en) * | 2013-02-18 | 2014-08-28 | Fujitec Co Ltd | Unlocking device of elevator landing door |
| CN104418218A (en) * | 2013-08-27 | 2015-03-18 | 上海三菱电梯有限公司 | Elevator landing door device |
| CN203545418U (en) * | 2013-10-25 | 2014-04-16 | 上海三菱电梯有限公司 | Anti-falling safety protection device for elevator landing door |
| CN104760871A (en) * | 2014-01-07 | 2015-07-08 | 日立电梯（中国）有限公司 | Outer manual unlocking device of elevator car locking hall |
| CN104528505A (en) * | 2014-12-15 | 2015-04-22 | 展鹏科技股份有限公司 | Integrated car door locking blade |
| CN204917580U (en) * | 2015-07-31 | 2015-12-30 | 东芝电梯株式会社 | Elevator |
| WO2018105109A1 (en) * | 2016-12-09 | 2018-06-14 | 三菱電機株式会社 | Interlock device for elevator |
| JP2018135198A (en) * | 2017-02-23 | 2018-08-30 | 三菱電機ビルテクノサービス株式会社 | Unlocking device of elevator landing door and unlocking system of elevator landing door |
| CN106744214A (en) * | 2017-03-29 | 2017-05-31 | 日立电梯（中国）有限公司 | A kind of layer door with defencive function is opened |
| CN207017812U (en) * | 2017-07-25 | 2018-02-16 | 日立电梯（中国）有限公司 | It is a kind of with the elevator inlay door locking device opened in advance |
| CN108439158A (en) * | 2018-04-12 | 2018-08-24 | 永大电梯设备（中国）有限公司 | Elevator gate enabling limits device |
| CN209413531U (en) * | 2018-11-28 | 2019-09-20 | 苏州市职业大学 | The split type single layers apart door lock of elevator |
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