CN108439158A - Elevator gate enabling limits device - Google Patents
Elevator gate enabling limits device Download PDFInfo
- Publication number
- CN108439158A CN108439158A CN201810324721.6A CN201810324721A CN108439158A CN 108439158 A CN108439158 A CN 108439158A CN 201810324721 A CN201810324721 A CN 201810324721A CN 108439158 A CN108439158 A CN 108439158A
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- China
- Prior art keywords
- gate
- knife
- latch hook
- door
- closed
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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
- B66B13/02—Door or gate operation
- B66B13/06—Door or gate operation of sliding doors
-
- 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
- B66B13/30—Constructional features of doors or gates
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- Elevator Door Apparatuses (AREA)
Abstract
The invention discloses a kind of elevator gate enabling limits device, stay hook seat and gate are closed retaining hook seat and are fixed in door machine rack；Door knife pedestal on door machine hanging plate has waist-shaped hole, door knife base back surface hingedly rotates latch hook and gate is closed and keeps latch hook, the drive pin being fixed on rotation latch hook is located in waist-shaped hole, and rotation latch hook coordinates with stay hook seat, and gate, which is closed, keeps latch hook to be closed the cooperation of retaining hook seat with gate；The first, second connecting rod being hinged on a knife pedestal is hinged two knives jointly, and head rod has pin shaft hole；The driving plate being hinged on a knife pedestal is equipped with two axis pins, and the second axis pin, which is located in the pin shaft hole of head rod and is closed with gate, keeps latch hook to be connect by spring, and axis pin bore dia is more than the second pin diameter, and the first axis pin is connect with door machine belt.The present invention can unlock layer door lock and gate enabling limits device without increasing additional trigger mechanism, the parallelogram sturcutre that door knife and connecting rod form in stop side.
Description
Technical field
The present invention and vertical lift elevator device-dependent, particularly belong to a kind of elevator gate enabling limits device.
Background technology
As a kind of special means of transport, elevator plays increasingly important role in people’s lives and work,
It generally using prodigious facility has been brought, at the same time, the security performance of elevator is also more and more closed
Note.
Data is shown according to statistics, because accident caused by door system failure and attended operation error accounts for elevator in elevator accident
The 80% of all accidents.As the key components and parts of elevator, gate enabling limits device can be in Lift out of order or non-electrical
Stop in ladder caused by terraced reason, non-rational escape row is generated when the passenger in lift car being avoided to be trapped in non-unlocking district domain
For, therefore the normalization and reliability of gate enabling limits device are most important to the safe operation of elevator.
According to the single requirement of the modification of GB7588-2003 the 1st, be summed up, gate enabling limits device need to meet with
Basic action request down：
1) gate enabling limits device should not influence door machine normal switch door；
2) when needing emergency relief, if car personnel in onlocking zone, car can open gate；If car exists
Non-unlocking district domain, personnel cannot open gate in car；
3) when needing emergency relief, if car is in onlocking zone or UCM (abbreviation car accidental movement) brake area, layer
The side personnel that stand (can not have to tool or using triangular key or permanently set tool at the scene) and open gate from stop side.
In order to meet above-mentioned requirements, many elevator enterprises were researched and developed for gate door opener in recent years.
For example, the patent of invention that Authorization Notice No. is CN102015510B discloses a kind of car door locking apparatus of elevator, wherein wrapping
It includes：Car switch is fixed on a suspension apparatus；Car fixes door bolt, is fixed on car or holder (being fixed on car)；Sedan-chair
Compartment arm is fixed on the laterally opened door of car via the first car axis, when the laterally opened door of car is opened, the car arm tegillum
Door knife of standing is pressed and is rotated centered on the first car axis, and wherein the stop door knife is fixed on the laterally opened door of stop；And sedan-chair
Compartment is movably fastened with a bolt or latch, is fixed on a suspension apparatus via the second car axis, based on caused by the rotation by car arm, car movably fastens with a bolt or latch
The rotation centered on the second car axis, come cut off the car movably door bolt switch between energization to forbid the fortune of car
Turn, and so that car is movably fastened with a bolt or latch and unlock with car fixation door bolt.Although foregoing invention patent can reach in limitation car
Personnel open the purpose of gate, but need extraly to be arranged tripper in stop side, at the same will also door machine side extraly
Gate enabling limits device is set, which causes each stop layers station that corresponding device will be arranged, increase number of components, make
It dramatically increases at cost, mounting and adjusting tedious process, and easily breaks down during use.
Furthermore the elevator synchronous door knife car door lock dress as disclosed in the application for a patent for invention that notification number is CN104555673A
It sets, includes door knife assembly on active door strap, the secondary lock that is fixed on passive door strap and is fixed on door machine bottom
Contact mounting plate on plate includes and latch hook that the secondary lock and the contact mounting plate are linked on the door knife assembly,
The door knife assembly includes bottom plate, drive connecting rod, passive connecting rod, is hinged on bottom plate among drive connecting rod and passive connecting rod,
It is hinged with fine motion blade between drive connecting rod and passive connecting rod and movable blades form parallelogram sturcutre, fine motion blade passes through
Transmission mechanism connects the latch hook, and drive connecting rod connects door machine transmission parts, the door that door knife assembly cooperation elevator door is equipped with
Ball triggers latch hook action.Drive connecting rod and movable blades are directly hinged in aforementioned structure, rotationally hinged with fine motion blade, though
So it can realize the purpose of latching gate in non-unlocking district domain, but the personnel in car are but due to drive connecting rod and movable blades
It is directly hinged and door system realization can not be opened by way of opening gate in unlocking area and saved oneself.
Invention content
Technical problem to be solved by the invention is to provide a kind of elevator gate enabling limits devices, without in stop side
It is additional to increase trigger mechanism, not only ensure that personnel can save oneself when car is in onlocking zone in car, and ensure non-
Onlocking zone can not open gate.
In order to solve the above technical problems, elevator provided by the invention gate enabling limits device, including：
The stay hook seat and gate being fixed in door machine rack are closed retaining hook seat；
Door knife floor installation is formed with waist-shaped hole on door machine hanging plate on door knife pedestal, the back side of the door knife pedestal
It is hinged with rotation latch hook and gate is closed and keeps latch hook, a drive pin, the drive pin are installed on the rotation latch hook
In waist-shaped hole, when the gate of elevator is closed, the rotation latch hook is engaged with stay hook seat, and the gate closes
It closes and latch hook is kept to be engaged with gate closure retaining hook seat；
Head rod is hinged on by first rotating shaft on a knife pedestal, and the second connecting rod is hinged on door by the second shaft
On knife pedestal, it is hinged with first knife and second knife jointly on head rod and the second connecting rod, and head rod,
Parallelogram sturcutre is collectively formed in second connecting rod, first knife and second knife, is fixedly mounted on the head rod
There is unlock drawstring and is formed with pin shaft hole；
Driving plate is rotatably mounted in first rotating shaft, and the first axis pin and the second axis pin are equipped in driving plate, described
Second axis pin, which is located in the pin shaft hole of head rod and is closed with the gate, keeps latch hook to be connect by spring, the axis pin
The diameter in hole is more than the diameter of the second axis pin, and first axis pin is connect with door machine belt.
In above-mentioned apparatus, fixed there are two limited post on the door knife pedestal, the two limited posts are located at first
The both sides of connecting rod.
In above-mentioned apparatus, the rotation latch hook, in occlusive state, has therebetween gap with stay hook seat.
In above-mentioned apparatus, the side of the head rod is formed with a fluting, and the head rod that is recessed at turns
Drive pin is pushed during dynamic.
In above-mentioned apparatus, the centre position of the drive pin is installed with rubber ring, and the rubber ring is located at waist type
Kong Zhong；The front end of the drive pin is installed with bearing, the slotted engagement of the bearing and head rod.
In above-mentioned apparatus, when the car of elevator is in onlocking zone and first knife and second knife are in collapsed state
When, two layer croquets be located at first knife, second knife both sides and there is gap；When the car of elevator is in non-unlocking
When region or UCM brake areas, layer croquet is located above or below first knife and second knife.
In above-mentioned apparatus, the top of the top of the head rod and the second connecting rod passes through axis pin and second respectively
Door knife is hinged, and the lower part of the lower part of the head rod and the second connecting rod is hinged by axis pin and first knife respectively.
In above-mentioned apparatus, first axis pin is located at the top of driving plate, and the second axis pin is located at the lower section of the first axis pin,
The lower end of the driving plate is mounted in first rotating shaft.
In above-mentioned apparatus, it includes pedestal, spring and latch hook that the gate, which is closed retaining hook seat, and the pedestal is fixed on door
On knife pedestal, the latch hook is hinged on pedestal, and one end of the spring is fixed on the base, and the other end is fixed on latch hook.
Further, the gate is closed the latch hook for keeping latch hook and gate to be closed retaining hook seat and matches, the occlusal contact condition face of the two
For slope surface, and the snap-in force of the two is closed the spring of retaining hook seat by gate and controlled.
Compared with prior art, the beneficial effects of the present invention are：
1) present invention is simple in structure without increasing additional trigger mechanism in stop side, reduces cost；
2) design being indirectly connected between door knife, connecting rod and driving plate in the present invention so that door knife and connecting rod composition
Parallelogram sturcutre the unlock of layer door lock not only may be implemented, and gate enabling limits device can be unlocked；
3) present invention is easy to installation and maintenance, reduces the probability of malfunction during use.
Description of the drawings
Fig. 1 is the schematic diagram that the present invention is installed on elevator door-motor；
Fig. 2 is the structural schematic diagram of the present invention；
Fig. 3 is the explosive view of Fig. 2；
Fig. 4 is the enlarged top view of the present invention, and wherein driving plate is shown；
Fig. 5 is the enlarged top view of the present invention, and wherein driving plate is not shown；
Fig. 6 is the schematic diagram that gate is closed retaining hook seat in the present invention.
Wherein reference numeral is as follows：
1 is door knife pedestal；2 be first rotating shaft；3 be driving plate；4 be the second shaft；5 be rotation latch hook；6 are closed for gate
Keep latch hook；7 be limited post；8 be drive pin；9 be unlock drawstring；10 be door machine rack；11 be stay hook seat；12 close for gate
Close retaining hook seat；121 be pedestal；122 be spring；123 be latch hook；13 be door machine motor；14 be door machine belt；15 be fluting；
16 be door machine hanging plate；17 be layer croquet；18 be pin shaft hole；19 be the first axis pin；20 be the second axis pin；21 be head rod；
22 be the second connecting rod；23 be waist-shaped hole；24 be rubber ring；25 be bearing；41 be first knife；42 be second knife.
Specific implementation mode
The present invention is described in further detail with specific implementation mode below in conjunction with the accompanying drawings.
The elevator gate enabling limits device of the present invention, including stay hook seat 11, gate are closed retaining hook seat 12, door knife
Pedestal 1, head rod 21, the second connecting rod 22, driving plate 3, rotation latch hook 5, gate be closed keep latch hook 6, limited post 7,
Drive pin 8, unlock 41, second, the knife knife 42 of drawstring 9, first.
Stay hook seat 11 and gate are closed retaining hook seat 12 and are fixedly mounted in door machine rack 10, wherein stay hook seat 11 with
Rotation latch hook 5 matches, and gate is closed retaining hook seat 12 and gate is closed and latch hook 6 is kept to match.
As shown in fig. 6, it includes pedestal 121, spring 122 and latch hook 123, the pedestal that the gate, which is closed retaining hook seat 12,
121 are fixed on a knife pedestal 1, and the latch hook 123 is hinged on pedestal 121, and one end of the spring 122 is fixed on pedestal
On 121, the other end is fixed on latch hook 123.The gate, which is closed, keeps latch hook 6 and gate to be closed the latch hook of retaining hook seat 12
123 match, and the occlusal contact condition face of the two is slope surface, and the snap-in force of the two is closed the spring 122 of retaining hook seat 12 by gate
Control.
Door knife pedestal 1 is mounted on door machine hanging plate 16, rotates latch hook 5 and gate is closed and latch hook 6 is kept all to be hinged on a knife
The back side of pedestal 1, as shown in Fig. 2, gate is closed the top for keeping latch hook 6 to be located at rotation latch hook 5.
As shown in Figure 1, being installed with a drive pin 8 on the rotation latch hook 5, accordingly, waist is provided on door knife pedestal 1
Type hole 23, the drive pin 8 are located in waist-shaped hole 23.Specifically, as shown in figure 3, being mounted on rotating the rear end thereof of latch hook 5
In one shaft, which is mounted on a holder, which is fixed on by fastener on a knife pedestal 1.
As shown in figure 3, head rod 21 is hinged on by first rotating shaft 2 on a knife pedestal 1, the second connecting rod 22 passes through
Second shaft 4 is hinged on a knife pedestal 1, wherein is installed with unlock drawstring 9 on head rod 21 and is formed with a pin
Axis hole 18.
As shown in Figure 1, being hinged with first knife 41 and second knife jointly in head rod 21 and the second connecting rod 22
42, head rod 21 is located at the top of the second connecting rod 22, and 22, first head rod 21, the second connecting rod knives 41
Parallelogram sturcutre is collectively formed with second knife 42.Specifically, as shown in Fig. 1, Fig. 3, Fig. 4, head rod 21 it is upper
Portion and the top of the second connecting rod 22 are hinged by axis pin and second knife 42 respectively, and the lower part of head rod 21 and second connects
The lower part of extension bar 22 is hinged by axis pin and first knife 41 respectively, and head rod 21 and the second connecting rod 22 are in " " shape.
The lower end of driving plate 3 is rotatably mounted in first rotating shaft 2, and the upper end of driving plate 3 is equipped with the first axis pin 19, should
First axis pin 19 is connect with door machine belt 14.Specifically, it is installed with a T-block on door machine belt 14, is provided in the T-block
One bearing hole is equipped with sliding bearing in the bearing hole, and the first axis pin 19 is inserted into the sliding bearing and by door machine belt
14 drive.Meanwhile driving plate 3 is also equipped with the second axis pin 20 in the lower section of the first axis pin 19, the second axis pin 20 is located at first and connects
In the pin shaft hole 18 of extension bar 21, while the second axis pin 20 is closed with gate and latch hook 6 is kept to be connect by a spring, pin shaft hole 18
Diameter is more than the diameter of the second axis pin 20, as shown in figs. 3 and 5.
Head rod 21 realizes by the second axis pin 20 and pin shaft hole 18 with driving plate 3 and links that head rod 21 is not
It can only rotate with driving plate 3, and in the case where driving plate 3 remains stationary as, the second axis pin 20 can be together with
The parallelogram sturcutre that one connecting rod 21, the second connecting rod 22, first knives, 41, second knives 42 form is in pin shaft hole 18
Make opposite swing.
Fixed there are two limited post 7 on door knife pedestal 1, the two limited posts 7 are located at the both sides of head rod 21.
As shown in figs. 3 and 5, the centre position of drive pin 8 is installed with rubber ring 24, and the rubber ring 24 passes through simultaneously
In waist-shaped hole 23, the occlusion of controlling rotary latch hook 5 and the rotation angle of opening, while reducing impact noise.In addition,
The front end of drive pin 8 is installed with bearing 25, and the side of head rod 21 is then formed with a fluting 15, the bearing 25 with
The slotted engagement of head rod 21, the left side or bottom surface of fluting 15 push drive pin in 21 rotation process of head rod
8 to lift rotation latch hook 5.
As shown in Fig. 2, when the gate of elevator is in Normal Shutdown state, rotation latch hook 5 is in stay hook seat 11 and stings
It conjunction state and rotates in the horizontal direction between latch hook 5 and stay hook seat 11 and there is gap (i.e. in occlusive state, gate can be opened
A certain distance), gate is closed the latch hook 123 for keeping latch hook 6 to be closed retaining hook seat 12 with gate and is also at occlusive state and two
The occlusal contact condition face of person is slope surface, and gate is closed and the snap-in force between latch hook 6 and latch hook 123 is kept to be controlled by spring, usually
The snap-in force is 50N-150N.
In the door mechanism system of elevator, 13 output torque of door machine motor drives door machine belt 14 to move horizontally, door machine belt
14 by the first axis pin 19 drive driving plate 3 rotate, to realize first knife, 41, second knives 42 pack up and open and
Rotate latch hook 5, gate is closed the occlusion and unlock for keeping latch hook 6.
In door mechanism system, when the car of elevator is in onlocking zone and first knife 41 and second knife 42 are in and pack up
When state, first knife 41 and second knife 42 are located between two layer croquets 17 and between having between layer croquet 17 and door knife
Gap；When the car of elevator is in non-unlocking district domain or UCM brake areas, layer croquet 17 is located at first knife 41 and second knife
Above or below in the of 42.
For the enabling limits device of the present invention in door mechanism system operation, action process is as follows：
1) flat bed normal switch door
As shown in Figure 2, Figure 3, Figure 4, when normal door-closing in-place, first knife 41 and second holding of knife 42 are packed up, and are rotated
Latch hook 5 is engaged with stay hook seat 11, while gate is closed the latch hook 123 for keeping latch hook 6 to be closed retaining hook seat 12 with gate and is engaged.
At this time due to the influence of gravity, connect on the right side of 18 right side of pin shaft hole on head rod 21 and the second axis pin 20 in driving plate 3
It touches, since the diameter of pin shaft hole 18 is more than the diameter of the second axis pin 20, the left side in the left side of pin shaft hole 18 and the second axis pin 20
There is gap between side.
When door machine normal door, gate is influenced by frictional resistance, is temporarily remained stationary as, and door machine belt 14 passes through first
Axis pin 19 drives driving plate 3 to rotate counterclockwise, and head rod 21 and the second connecting rod 22 are affected by gravity also rotation counterclockwise
Turn, until head rod 21 can not be rotated further by the blocking of the limited post 7 in left side.In driving plate 3 and head rod
21 counterclockwise rotation and head rod 21 do not stopped by the limited post in left side 7 this during, first knife 41 and second
The unlock that layer croquet 17 realizes layer door lock is gradually opened and strutted to door knife 42, and gate, which is closed, keeps latch hook 6 in driving plate 3 and bullet
The releasing of latch hook 123 for being closed retaining hook seat 12 under the drive of spring with gate be engaged realization and unlocks, and head rod 21 is opened
The bottom surface of slot 15 contacts drive pin 8, lifts rotation latch hook 5 and realizes unlock.Then, driving plate 3 continues to rotate counterclockwise, until pin
18 left side of axis hole and 20 left contact of the second axis pin, the two left side gap is zero.Next, door machine belt 14 pulls on, door
System normal door.
2) gate is closed, and car is located at onlocking zone, and personnel save oneself in car
When elevator because the reasons such as break down are shut down and when car is parked in onlocking zone, personnel push gate aside in car, first
The gate for being first in occlusive state is closed holding latch hook 6 and the latch hook 123 of gate closure retaining hook seat 12 is opened, subsequent gate
Enabling limits device is moved to the left together with gate, and in the incipient stage of this process, layer door remains stationary as, second of left side
Knife 42 touches the layer croquet 17 in left side so that layer door lock is unlocked, due to the influence of layer door self-closing power and frictional resistance, layer door
Remain motionless.Gate continues to open, and the layer croquet 17 in left side hinders and push the quadrangle that a knife and connecting rod form in turn
Structure rotates clockwise, until the pin shaft hole 18 of head rod 21 and the 20 left side gap of the second axis pin of driving plate 3 are zero,
In this process, 15 left side of fluting of head rod 21 is contacted with drive pin 8, is gradually lifted rotation latch hook 5 and is realized solution
Lock.When personnel continue to take off gate in car, door system is opened, and passenger self-rescue leaves car.
3) gate is closed, and car is located at non-unlocking district domain, and personnel cannot open gate in car
When elevator because the reasons such as break down are shut down and when car is parked in non-unlocking district domain, personnel push gate aside in car,
Gate enabling limits device is opened together with gate, and in this process, the gate for being first in occlusive state is closed holding lock
The latch hook 123 that hook 6 is closed retaining hook seat 12 with gate is opened, but since layer croquet 17 is located at first knife 41 and second knife
Above or below in the of 42, such first knife 41 and second knife 42 are not readily accessible to layer croquet 17 or other portions of layer door lock
Part, so the quadrilateral structure of door knife and connecting rod composition does not rotate, rotation latch hook 5 is engaged shape with the holding of stay hook seat 11
State, until gap between the two is zero, gate can only open the gap within 50mm under normal conditions, cannot further beat
It opens, it is ensured that the safety of passenger.
4) gate is closed, and car is located at onlocking zone, the rescue of stop side personnel
When elevator because the reasons such as break down are shut down and when car is parked in onlocking zone, stop side personnel pass through triangular key
Layer door lock is unlocked and is opened layer door by equal specific purpose tools, and in this process, the right side layer croquet 17 of layer door lock connects
First knife 41 for contacting right side keeps latch hook 6 to be closed the latch hook of retaining hook seat 12 in spring 122 with gate since gate is closed
Under the action of be engaged, gate temporarily remains stationary as, and the layer croquet 17 on right side pushes first knife 41 to rotate clockwise, until the
The pin shaft hole 18 of one connecting rod 21 and the left side gap of the second axis pin 20 of driving plate 3 are zero, meanwhile, head rod 21 is opened
15 left side of slot is contacted with drive pin 8, is lifted rotation latch hook 5 and is realized unlock.When personnel continue to take off gate in car, door system is beaten
It opens, rescue passenger leaves car.
5) gate is closed, and car is located at UCM brake areas, the rescue of stop side personnel
When elevator because the reasons such as break down are shut down and when car is parked in UCM brake areas, stop side personnel pass through triangle
Layer door lock is unlocked and is opened layer door by the specific purpose tools such as key, since layer croquet 17 is located at door knife and connecting rod group at this time
At quadrilateral structure above or below, therefore layer door cannot drive gate to open together.At this time, rescue personnel can pull
Drawstring 9 is unlocked, head rod 21 is made to rotate clockwise, until the pin shaft hole 18 of head rod 21 and the second of driving plate 3
The left side gap of axis pin 20 is zero, meanwhile, 15 left side of fluting of head rod 21 is contacted with drive pin 8, lifts rotation lock
Hook 5 realizes unlock, opens simultaneously gate, reaches rescue purpose.
The present invention is simple in structure without increasing additional trigger mechanism in stop side, reduces cost；Middle door knife, connecting rod
The design being indirectly connected between driving plate so that layer not only may be implemented in the parallelogram sturcutre of door knife and connecting rod composition
The unlock of door lock, and gate enabling limits device can be unlocked；It is easy to installation and maintenance, reduce the failure during use
Probability.
The present invention has been described in detail through specific embodiments, the embodiment be only the present invention compared with
Good embodiment not limits the invention.Without departing from the principles of the present invention, those skilled in the art does
The equivalent replacement gone out and improvement are regarded as in the technology scope that the present invention is protected.
Claims (11)
1. a kind of elevator gate enabling limits device, which is characterized in that including：
The stay hook seat (11) and gate being fixed in door machine rack (10) are closed retaining hook seat (12)；
Door knife pedestal (1) is mounted on door machine hanging plate (16), and waist-shaped hole (23) is formed on door knife pedestal (1), the door knife
The back side of pedestal (1) is hinged with rotation latch hook (5) and gate is closed and keeps latch hook (6), is fixedly mounted on the rotation latch hook (5)
There is a drive pin (8), the drive pin (8) is located in waist-shaped hole (23), when the gate of elevator is closed, described turn
Moveable lock hook (5) is engaged with stay hook seat (11), and the gate, which is closed, keeps latch hook (6) to be stung with gate closure retaining hook seat (12)
It closes；
Head rod (21) is hinged on by first rotating shaft (2) on a knife pedestal (1), and the second connecting rod (22) passes through second turn
Axis (4) is hinged on a knife pedestal (1), and first knife is hinged with jointly on head rod (21) and the second connecting rod (22)
, and head rod (21), the second connecting rod (22), first knife (41) and second knife (42) (41) and second knife (42)
Parallelogram sturcutre is collectively formed, unlock drawstring (9) is installed on the head rod (21) and is formed with axis pin
Hole (18)；
Driving plate (3) is rotatably mounted in first rotating shaft (2), and the first axis pin (19) and second are equipped in driving plate (3)
Axis pin (20), second axis pin (20), which is located in the pin shaft hole (18) of head rod (21) and is closed with the gate, to keep
Latch hook (6) is connected by spring, and the diameter of the pin shaft hole (18) is more than the diameter of the second axis pin (20), first axis pin
(19) it is connect with door machine belt (14).
2. elevator according to claim 1 gate enabling limits device, which is characterized in that on the door knife pedestal (1)
Limited post (7) there are two fixed, the two limited posts (7) are located at the both sides of head rod (21).
3. elevator according to claim 1 gate enabling limits device, which is characterized in that the rotation latch hook (5) with
Stay hook seat (11) has therebetween gap in occlusive state.
4. elevator according to claim 1 gate enabling limits device, which is characterized in that the head rod (21)
Side be formed with a fluting (15), the fluting (15) pushes drive pin (8) in head rod (21) rotation process.
5. elevator according to claim 4 gate enabling limits device, which is characterized in that in the drive pin (8)
Between position be installed with rubber ring (24), the rubber ring (24) is located in waist-shaped hole (23)；The front end of the drive pin (8)
It is installed with bearing (25), the bearing (25) and the fluting (15) of head rod (21) coordinate.
6. elevator according to claim 1 gate enabling limits device, which is characterized in that opened when the car of elevator is in
Lock region and first knife (41) and second knife (42) are when being in collapsed state, two layer croquets (17) are located at first
Knife (41), second knife (42) both sides and there is gap；When the car of elevator is in non-unlocking district domain or UCM brake areas
When, layer croquet (17) is located above or below first knife (41) and second knife (42).
7. elevator according to claim 1 gate enabling limits device, which is characterized in that the head rod (21)
Top and the second connecting rod (22) top it is hinged by axis pin and second knife (42) respectively, the head rod (21)
Lower part and the second connecting rod (22) lower part it is hinged by axis pin and first knife (41) respectively.
8. elevator according to claim 1 gate enabling limits device, which is characterized in that the first axis pin (19) position
Top in driving plate (3), the second axis pin (20) are located at the lower section of the first axis pin (19), the lower end installation of the driving plate (3)
In first rotating shaft (2).
9. elevator according to claim 1 gate enabling limits device, which is characterized in that the gate is closed retaining hook
Seat (12) includes pedestal (121), spring (122) and latch hook (123), and the pedestal (121) is fixed on a knife pedestal (1), institute
It states latch hook (123) to be hinged on pedestal (121), one end of the spring (122) is fixed on pedestal (121), and the other end is fixed
On latch hook (123).
10. elevator according to claim 9 gate enabling limits device, which is characterized in that the gate, which is closed, to be kept
The latch hook (123) that latch hook (6) and gate are closed retaining hook seat (12) matches, and the occlusal contact condition face of the two is slope surface, and the two
Snap-in force by gate be closed retaining hook seat (12) spring (122) control.
11. elevator according to claim 1 gate enabling limits device, which is characterized in that the door machine belt (14)
On be installed with a T-block, a bearing hole is provided in the T-block, sliding bearing is installed in the bearing hole, described
One axis pin (19) is inserted into the sliding bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810324721.6A CN108439158B (en) | 2018-04-12 | 2018-04-12 | Car door opening limiting device for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810324721.6A CN108439158B (en) | 2018-04-12 | 2018-04-12 | Car door opening limiting device for elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108439158A true CN108439158A (en) | 2018-08-24 |
| CN108439158B CN108439158B (en) | 2020-06-19 |
Family
ID=63199667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810324721.6A Active CN108439158B (en) | 2018-04-12 | 2018-04-12 | Car door opening limiting device for elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108439158B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN111498652A (en) * | 2020-05-30 | 2020-08-07 | 慈溪市宏峰电梯配件有限公司 | Car door lock for elevator |
| CN113682933A (en) * | 2021-08-13 | 2021-11-23 | 日立电梯（中国）有限公司 | Elevator car door up-down locking device |
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| CN201864431U (en) * | 2010-11-30 | 2011-06-15 | 上海贝思特门机有限公司 | Integrated cage door lock and door cutter device of elevator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109441248A (en) * | 2018-11-28 | 2019-03-08 | 苏州市职业大学 | The split type single layers apart door lock of elevator |
| CN109441248B (en) * | 2018-11-28 | 2024-04-05 | 苏州市职业大学 | Split type single-unlocking door lock of elevator |
| CN111498652A (en) * | 2020-05-30 | 2020-08-07 | 慈溪市宏峰电梯配件有限公司 | Car door lock for elevator |
| CN113682933A (en) * | 2021-08-13 | 2021-11-23 | 日立电梯（中国）有限公司 | Elevator car door up-down locking device |
| CN113682933B (en) * | 2021-08-13 | 2023-04-07 | 日立电梯（中国）有限公司 | Elevator car door up-down locking device |
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|---|---|
| CN108439158B (en) | 2020-06-19 |
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