CN106437336A - Safety door lock - Google Patents
Safety door lock Download PDFInfo
- Publication number
- CN106437336A CN106437336A CN201611120793.6A CN201611120793A CN106437336A CN 106437336 A CN106437336 A CN 106437336A CN 201611120793 A CN201611120793 A CN 201611120793A CN 106437336 A CN106437336 A CN 106437336A
- Authority
- CN
- China
- Prior art keywords
- door
- door lock
- switch
- movable contact
- contact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B2047/0048—Circuits, feeding, monitoring
- E05B2047/005—Opening, closing of the circuit
Abstract
The invention discloses a safety door lock. The safety door lock comprises a door lock hook, wherein the door lock hook is arranged on one side of an opening and closing door plate. The safety door lock is characterized by further comprising a waterproof opening and closing box, a door lock tongue and a triggering device, wherein the waterproof opening and closing box is arranged on the other side of the opening and closing door plate, a static contact and a movable contact are arranged in the waterproof opening and closing box, the door lock tongue is buckled with the end of the door lock hook, the triggering device is used for closing or opening the static contact and the movable contact, the triggering device can be linked with the door lock hook, and a contact switch formed by the static contact and the movable contact is connected with other safety switches of an elevator in series in a safety control circuit of the elevator. According to the safety door lock, the movable contact and the static contact of the door lock switch are integrally arranged in the waterproof opening and closing box and can be forcibly disconnected, so that the requirements of safety contacts are satisfied, and the purposes of water prevention and dust prevention are achieved; the triggering device is arranged on the waterproof opening and closing box, so that the requirements of waterproof design of the switch are simplified, and the manufacturing cost of the switch is reduced; and the states of the movable contact and the static contact can be conveniently observed by virtue of a box cover of the opening and closing box, and whether the switch is normally operated is judged.
Description
Technical field
The present invention relates to a kind of elevator door lock structure, more particularly to a kind of safety door latch.
Background technology
In the general lift facility with door opener, it is contemplated that the requirement of safety, often door interlock switch is set simultaneously
Higher electrical safety requirements are proposed to which, the such as requirement of safety contact, i.e. contact must obtain reliable disconnection.Its action is patrolled
During summary Seeking Truth door closure, door interlock switch is normally closed, and when door is opened, door interlock switch disconnects and will disconnect certainly.For most of occasions
Use integrated switched for, or normally-closed contact but compression when force disconnect, or normally opened contact but closure after cannot be strong
System disconnects, it is more difficult to meet the requirement of the safety contact of door trip.Therefore most door interlock switch all employs switch contact and divides
From design mode, that is, switch a contact with switch enclosure be arranged on side fan door on, and another contact with switch enclosure outside
Latch hook be arranged on opposite side fan door, two contacts mechanical with the change of door trip action can separate or close,
So just can ensure that the affirmative of contact disconnects.But this structure, as two contact separate types are arranged, contact often directly exposes
Outside, the impact of water, dust, smog etc. is subject to, is easily come in contact bad and cause open circuit.The door lock of also minority is opened
Pass is being arranged on two switch contact integral types inside switch enclosure, but disconnects for realizing the affirmative of two contact of switch internal,
Needing the mechanical linkage for complexity being designed in switch internal realize, causes the volume for switching larger, complex structure, and
As switch machinery bar linkage structure is located at switch internal, whether whether which disconnect certainly and have the situations more than damaging to be difficult to
Directly check.While this switch has been typically necessary outside inserted sheet insertion switch internal touches mechanical linkage, which is opened
Close that box is more difficult that effective waterproofing design is carried out, the classification of waterproof for often not reaching door interlock switch is required.
Content of the invention
The technical problem to be solved is to provide a kind of safety door latch, its simple structure and can ensure its water proofing property
Can good and guarantee contact disconnection certainly.
For solving above-mentioned technical problem, the invention provides a kind of safety door latch, except the door located at switch door-plate side
Outside lock latch hook, also include to be provided with water proof switch box and the institute of static contact and movable contact spring located at the inside of switch door-plate opposite side
State the Door-lock bolt of door lock chimoto fastening and static contact and movable contact spring closure or the triggering device for disconnecting can be made, the triggering dress
With putting linkage with door lock hook connects, other safety opens of the contact switch that the static contact is constituted with the movable contact spring and elevator
Close and be serially connected with the safety control circuit of elevator.
At the end of two fan layer door are close to and close the door, door lock cam clockwise oscillation under external force, drive door lock latch hook
Clockwise oscillation, door lock latch hook is lifted, and door lock chimoto makes movable contact spring action by triggering device, and movable contact spring is pressed in static contact
On, movable contact is contacted with stationary contact, and safety return circuit is connected.When two fan layer door open the door, door lock cam up time under external force
Pin swings, and drives door lock latch hook clockwise oscillation, and door lock chimoto is lifted out Door-lock bolt, and door lock forms unblock.Meanwhile,
Door lock chimoto makes movable contact spring action by triggering device, and movable contact spring departs from static contact, and movable contact is separated with stationary contact, safety
Loop disconnects.
Further preferably, the end of the triggering device has make triggering device be connected, phase with door lock latch hook linkage
The bar v notch v for mutually coordinating and door lock male part.
For realizing the technical program well, the triggering device include to be installed on rotating shaft inside water proof switch box, one
End be fixedly connected with the side of rotating shaft along rotating shaft for axis swing movable contact connecting rod, switch male part and be located at the door lock
The door lock male part of latch hook end, one end of the rotating shaft is extended to outside the water proof switch box, the elongated end and the switch
One end of male part is vertically fixed, and the other end of the switch male part is provided with the bar shaped for being coordinated with the door lock male part and lacks
Mouthful, the other end of the movable contact connecting rod connects the movable contact spring, and movable contact connecting rod is provided with and for movable contact connecting rod with rotating shaft is
The rod spring for resetting during axis swing.
For enabling static contact to be successfully arranged in water proof switch box, it is provided with the water proof switch box quiet for fixing
The static contact support plate of contact position.
For making whole door latch structure have more preferable water resistance, the side of the water proof switch box is provided with switch enclosure box
Lid, and seal gasket is provided between switch enclosure lid and water proof switch box.It is located at the rotating shaft on the water proof switch box to extend
Outer surface at end is provided with seal gasket.
In order to easily observe the state of dynamic and static contact and judge switch whether normal work, the switch enclosure lid is
Transparent material.
Reset effect for making movable contact spring is more preferable, and the movable contact spring is provided with tabletting spring.
The present invention has following Advantageous Effects：
1) the dynamic and static contact integrated arrangement of door interlock switch is internal in water proof switch box and can be forced by triggering device disconnected
Open, the requirement of safety contact is met, reached the purpose of waterproof and dustproof again；
2) by triggering device on water proof switch box, the requirement to switching waterproofing design is simplified, reduces switch
Cost of manufacture；
3) state of dynamic and static contact can easily be observed by switch enclosure lid and judges switch whether normal work.
Description of the drawings
Fig. 1 is the front view of the embodiment of the present invention；
Fig. 2 is the top view of the embodiment of the present invention；
In figure：1- door lock latch hook, 2- door lock cam, 3- latch hook spring, 4- water proof switch box, 5- switchs male part, 6- door
Lock dead bolt, 7- static contact, 8- stationary contact, 9- movable contact spring, 10- movable contact connecting rod, 11- rotating shaft, 12- rod spring, 13- door lock coupling
Component, 14- static contact support plate, 15- switch enclosure lid, 16- seal gasket, 17- tabletting spring, 18- water-proof wire tapered end.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail to the present invention.
Embodiment：
As depicted in figs. 1 and 2, a kind of safety door latch, in addition to including located at the door lock latch hook 1 of switch door-plate side, also
Including being provided with water proof switch box 4 and the door lock latch hook 1 of static contact 7 and movable contact spring 9 located at the inside of switch door-plate opposite side
Door-lock bolt 6 and can make the triggering device that static contact 7 and movable contact spring 9 are closed or disconnected that end fastens, static contact 7 is provided with quiet
Contact 8.One end linkage ground of the triggering device is connected with the end of door lock latch hook 1, and the other end connects movable contact spring 9.Described quiet
Other safety switches of contact switch and elevator that contact 7 is constituted with the movable contact spring 9 are serially connected with the safety control circuit of elevator.
The triggering device includes that the side for being installed on rotating shaft 11, one end and rotating shaft 11 inside water proof switch box 4 is fixed
Connection along rotating shaft 11 for axis swing movable contact connecting rod 10, the switch male part 5 and door located at 1 end of door lock latch hook
Lock male part 13, one end of the rotating shaft 11 extended to outside the water proof switch box 4, the elongated end and the switch male part 5
One end vertically fix, described switch male part 5 the other end be provided with the door lock male part 13 coordinate bar v notch v, institute
The other end for stating movable contact connecting rod 10 connects the movable contact spring 9, and movable contact connecting rod 10 is provided with for movable contact connecting rod 10 with rotating shaft
11 for axis swing when the rod spring 12 that resets.For enabling static contact 7 to be successfully arranged in water proof switch box 4, described
The static contact support plate 14 being provided with water proof switch box 4 for fixing 7 position of static contact.For making whole door latch structure have preferably
Water resistance, the side of the water proof switch box 4 is provided with switch enclosure lid 15, and switch enclosure lid 15 and water proof switch box 4 it
Between be provided with seal gasket 16.Outer surface on the water proof switch box 4 at 11 elongated end of the rotating shaft is provided with seal gasket
16.The water-proof wire tapered end 18 of the end of water proof switch box 4 can prevent the water inlet from switch wire connection after itself locking.In order to
Easily observe the state of dynamic and static contact and judge switch whether normal work, the switch enclosure lid 15 be.For
Make the reset effect of movable contact spring 9 more preferably, the movable contact spring 9 is provided with tabletting spring 17.
In the present embodiment, static contact 7 includes upper and lower two panels static contact 7, therefore also to there is two static contact support plates 14,
There are two panels movable contact spring 9 and two tabletting springs 17.
The operation principle of the present embodiment is as follows：
At the end of two fan layer door are close to and close the door, the clockwise oscillation under external force of door lock cam 2, drive door lock latch hook
1 clockwise oscillation, door lock latch hook 1 is lifted, and the bar v notch v of the meeting access switch of door lock male part 13 male part 5 forms coupling, closes
At the end of door, external force is removed, and door lock latch hook 1 falls in the presence of latch hook spring 3, and the groove of door lock latch hook 1 falls into door lock
The projection of tongue 6, door lock forms locking.Meanwhile, switch male part 5 is with door lock latch hook under the coupling of door lock male part 13
1 whereabouts meeting clockwise oscillation, drives the movable contact clockwise oscillation in water proof switch box 4, and movable contact spring 9 is pressed on static contact 7,
Movable contact is contacted with stationary contact 8, closure of getting an electric shock, and safety return circuit is connected.
When two fan layer door open the door, the clockwise oscillation under external force of door lock cam 2, drive door lock latch hook 1 clockwise
Swing, 1 end of door lock latch hook is lifted out Door-lock bolt 6, door lock forms unblock.Meanwhile, switch male part 5 is in door lock male part
With the counter-clockwise swing that lifts of door lock latch hook 1 under 13 couplings, the movable contact spring 9 in water proof switch box 4 is driven to put counterclockwise
Dynamic, movable contact spring 9 departs from static contact 7, and movable contact is separated with stationary contact 8, gets an electric shock and disconnects, and safety return circuit disconnects.
In particular cases, if dynamic and static contact 8 sticks together in 8 closing course of dynamic and static contact, when opening the door, movable contact
Connecting rod 10 can be produced and force detached pulling force with static contact 7, when pulling force foot under the pressure counter-clockwise swing of switch male part 5
When enough, dynamic and static contact 8 can be forced to separate, if can not still separate, the external force for acting on door lock cam 2 is increased further,
The torsion of 13 pairs of switch male parts 5 of door lock male part is forced to increase, movable contact spring 9 overcomes the pressure of tabletting spring 17, can be driven
It is forced out on contact connecting rod 10, cuts off safety return circuit.If open the door external force cannot still force movable contact spring 9 to disconnect, now by
Pass through compacting of the door lock male part 13 to door lock latch hook 1 in switch male part 5, make the groove of door lock latch hook 1 can not be completely from door
Exit in the projection of lock dead bolt 6, therefore mechanical door lock cannot be opened still in lock-out state, now layer door, and then ensures
Door interlock switch failure conditions lower floor door remains to closed bite, it is ensured that safety.
In the same manner, switch male part 5 is exchanged with 13 profile of door lock male part, or stationary contact 8 is set to insert-connecting plate shape
Formula, pressure spring are arranged on 8 support of stationary contact, also do not interfere with the using effect of this elevator door lock structure.
In the same manner, it is also possible to a static contact 7 and a movable contact spring 9 are set, are respectively and fixedly connected to static contact into and out of switch wire connection
7 and movable contact spring 9 end points on.
In the same manner, it is also possible to which more than one stationary contact 8 and static contact 7 are set, so can will be all solid into and out of switch wire connection
It is connected on the end points of static contact 7, more than one movable contact spring is by the public substrate mutual conduction below movable contact spring, so permissible
Preferably ensure that the action of movable contact spring 9 will not be hindered by switch wire connection.
Above-listed detailed description is illustrating for one of present invention possible embodiments, and the embodiment is simultaneously not used to limit
The scope of the claims of the present invention, all equivalence enforcements without departing from carried out by the present invention or change, are intended to be limited solely by the scope of the claims of this case
In.
Claims (6)
1. a kind of safety door latch, including the door lock latch hook located at switch door-plate side, it is characterised in that：Also include located at switch gate
The inside of plate opposite side be provided with the Door-lock bolt that static contact and the electric switch of movable contact spring and the door lock chimoto fasten and
Static contact and movable contact spring closure or the triggering device for disconnecting, triggering device linkage ground and door lock hook connects can be made, described
Other safety switches of the contact switch that static contact is constituted with the movable contact spring and elevator are serially connected with the safety control circuit of elevator；
The triggering device includes to be installed on rotating shaft inside water proof switch box, one end and the side of rotating shaft is fixedly connected along rotating shaft is
The movable contact connecting rod of axis swing, switch male part and the door lock male part located at the door lock chimoto, the rotating shaft
One end is extended to outside the water proof switch box, and the other end of the switch male part is provided with the bar for coordinating with the door lock male part
V notch v, the other end of the movable contact connecting rod connects the movable contact spring, and movable contact connecting rod is provided with for movable contact connecting rod to turn
The rod spring for resetting when axle is for axis swing；Described electric switch includes door contact and the setting being arranged on each elevator door
When the lock contact of dead bolt head, door lock assembly locking, dead bolt inserts the lockhole of elevator door, and door contact can be with lock contact
Turn on and series loop is constituted, so as to confirm that elevator door closing puts in place and all lockholes of dead bolt insertion elevator door realize door lock
Locking.
2. a kind of safety door latch according to claim 1, it is characterised in that：The rotating shaft is located on the water proof switch box
Outer surface at elongated end is provided with seal gasket.
3. a kind of safety door latch according to claim 1, it is characterised in that：The movable contact spring is provided with tabletting spring.
4. a kind of safety door latch according to claim 1, it is characterised in that：It is provided with for fixing in the water proof switch box
The static contact support plate of static contact position.
5. a kind of safety door latch according to claim 1, it is characterised in that：The side of the water proof switch box is provided with switch
Seal gasket is provided between box lid, and switch enclosure lid and water proof switch box.
6. a kind of safety door latch according to claim 5, it is characterised in that：The switch enclosure lid is transparent material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611120793.6A CN106437336A (en) | 2016-12-08 | 2016-12-08 | Safety door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611120793.6A CN106437336A (en) | 2016-12-08 | 2016-12-08 | Safety door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106437336A true CN106437336A (en) | 2017-02-22 |
Family
ID=58216804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611120793.6A Pending CN106437336A (en) | 2016-12-08 | 2016-12-08 | Safety door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106437336A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114089643A (en) * | 2022-01-24 | 2022-02-25 | 云丁网络技术(北京)有限公司 | Control method and system of intelligent equipment and storage medium |
| CN114999032A (en) * | 2022-05-26 | 2022-09-02 | 江苏经纬智联航空科技有限公司 | Intelligent control electronic lock device for shared management of unpowered equipment on apron |
-
2016
- 2016-12-08 CN CN201611120793.6A patent/CN106437336A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114089643A (en) * | 2022-01-24 | 2022-02-25 | 云丁网络技术(北京)有限公司 | Control method and system of intelligent equipment and storage medium |
| CN114089643B (en) * | 2022-01-24 | 2022-04-15 | 云丁网络技术(北京)有限公司 | Control method and system of intelligent equipment and storage medium |
| CN114999032A (en) * | 2022-05-26 | 2022-09-02 | 江苏经纬智联航空科技有限公司 | Intelligent control electronic lock device for shared management of unpowered equipment on apron |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170222 |
|
| WD01 | Invention patent application deemed withdrawn after publication |