CN209974069U - Elevator door lock device - Google Patents
Elevator door lock device Download PDFInfo
- Publication number
- CN209974069U CN209974069U CN201920513443.9U CN201920513443U CN209974069U CN 209974069 U CN209974069 U CN 209974069U CN 201920513443 U CN201920513443 U CN 201920513443U CN 209974069 U CN209974069 U CN 209974069U
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- door lock
- elevator door
- link
- lock device
- bottom plate
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Abstract
The utility model discloses an elevator door lock device, including fixed latch hook, with the movable latch hook of fixed latch hook cooperation locking and detect the detection switch whether movable latch hook and fixed latch hook lock, detect the switch and install on the bottom plate, movable latch hook rotates and installs in the bottom plate, still is equipped with the actuating lever that drives movable latch hook action on the bottom plate, still be equipped with the link mechanism who triggers detection switch action on the actuating lever. The utility model discloses elevator door lock device simple structure, exquisiteness, it is with low costs, installation and debugging convenience has effectively improved security and reliability.
Description
Technical Field
The utility model belongs to the technical field of the elevator technique and specifically relates to an elevator door lock device.
Background
The elevator door lock is an important part for ensuring the safe operation of an elevator, the door lock is required to be configured at each layer of door, and the existing door lock comprises a mechanical lock hook part and an electrical part for detecting the locking or unlocking of the mechanical lock hook. The mechanical lock hook part comprises a fixed lock hook and a movable lock hook, and the movable lock hook is locked with or unlocked from the fixed lock hook under the control of the car door machine; the electric part comprises electric contacts which are respectively arranged on the movable lock hook and the fixed lock hook, and the two electric contacts are lapped by lifting or falling the movable lock hook, so that a safety loop is connected.
The metal sheet that the electrical contact connects was taken exposes outside completely, has the clearance and the door lock device is located the outside of layer door gear generally between layer door and the sedan-chair door, and dimension guarantor and passenger stretch out the hand upwards and contact this electrical contact very easily, take place to electrocute casualties accident easily, have very big potential safety hazard.
In addition, the existing door lock device has a complex structure, needs to be repeatedly debugged in the installation and subsequent maintenance processes, has low precision of a mechanical lock hook part and poor linkage reliability, and is easy to cause the situation that the movable lock hook mistakenly triggers the lap joint of the electrical contact because the movable lock hook is not locked with the fixed lock hook due to movement deviation, thereby influencing the operation safety of the elevator.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the utility model provides an elevator door lock device simple structure, exquisiteness, with low costs, installation and debugging are convenient, have effectively improved security and reliability.
The utility model discloses a following technical scheme realizes: the utility model provides an elevator door lock device, includes fixed latch hook, with the movable latch hook of fixed latch hook cooperation locking and detect whether detection switch that movable latch hook and fixed latch hook locked, detection switch installs on the bottom plate, movable latch hook rotates and installs in the bottom plate, still is equipped with the actuating lever that drives movable latch hook action on the bottom plate, still be equipped with the link mechanism who triggers detection switch action on the actuating lever.
The utility model discloses elevator door lock device mechanical lock hook part simple structure and precision are high, utilize the characteristics of actuating lever and link mechanism linkage uniformity, but the safety trigger detection switch has effectively improved the stability and the reliability of elevator door lock device when the elevator operation.
Furthermore, the driving rod is a crank arm connecting rod which is rotatably installed on the bottom plate, the middle part of the crank arm connecting rod is rotatably connected with the bottom plate, one end of the crank arm connecting rod is rotatably connected with the movable lock hook, the other end of the crank arm connecting rod is fixedly provided with a gate ball, and the crank arm connecting rod of the integrated structure plays a main driving role in the whole door lock linkage mechanism.
Furthermore, the driving rod further comprises a first connecting rod, one end of the first connecting rod is movably connected to the end of the crank arm connecting rod, the other end of the first connecting rod is movably connected to the movable locking hook, and the crank arm connecting rod drives the movable locking hook and the fixed locking hook to be closed through the transmission stress of the first connecting rod.
Furthermore, the link mechanism comprises a second connecting rod and a support connecting rod, one end of the second connecting rod is movably connected to the crank arm connecting rod, the other end of the second connecting rod is movably connected to the support connecting rod, the support connecting rod is rotatably installed on the bottom plate, and the crank arm connecting rod drives the support connecting rod to rotate through the transmission stress of the second connecting rod.
Furthermore, the bracket connecting rod and the movable locking hook are coaxially and rotatably arranged on the bottom plate so as to ensure that a closed connecting rod driving mechanism is formed and improve the stability and the reliability of the elevator door lock device during operation.
Furthermore, a reset device is arranged between the bottom plate and the driving rod, so that the self-closing capability of the door lock is effectively improved, and noise is eliminated.
Furthermore, the reset device is a spring reset mechanism, the bottom plate and the driving rod are respectively provided with a limiting plate, and two ends of the spring reset mechanism are respectively fixed on the limiting plates.
Further, the spring return mechanism includes:
the pull rod bolt penetrates through the limiting plates on the bottom plate and the driving rod;
the reset spring is sleeved on the pull rod bolt, and two ends of the reset spring respectively abut against the two limiting plates;
and the butterfly nut is matched with the pull rod bolt to lock and adjust the initial position of the driving rod.
The position of the crank arm connecting rod is adjusted by screwing the butterfly nut to adjust the compression amount of the reset spring, so that the limit rotating position of the movable lock hook during locking is adjusted, rigid collision generated when the movable lock hook is locked with the fixed lock hook can be effectively avoided through the spring reset mechanism, noise generated when the door is closed is eliminated, and the use comfort of the elevator is improved.
Furthermore, a contact pin for triggering the detection switch to act is arranged on the support connecting rod.
Furthermore, be equipped with the baffle that prevents the excessive rotation of activity latch hook on the support connecting rod, baffle one side can be used for installing the contact pin, and the opposite side can be used for blockking the activity latch hook, prevents that the activity latch hook from lifting up the excessive rotation of in-process.
The utility model discloses elevator door lock device has effectively improved the precision of mechanical lock hook part, through the characteristics of connecting rod linkage uniformity, triggers the detection switch when drive activity latch hook and fixed latch hook closure, has higher reliability and stability. Meanwhile, potential safety hazards caused by the overlapping of exposed electrical contacts in the prior art are eliminated, and the safety performance of the door lock device is effectively improved.
Drawings
Fig. 1 is a schematic structural view of an elevator door lock device of the present invention;
fig. 2 is an exploded view of the elevator door lock device of the present invention;
fig. 3 is a schematic view of the locking state of the elevator door lock device of the present invention;
fig. 4 is a schematic view of the opened state of the elevator door lock device of the present invention;
in the figure: 1. a movable latch hook; 2. a first link; 3. a crank arm connecting rod; 3a, a first swing arm; 3b, a second swing arm; 3c, a limiting plate; 4. a second link; 5. a bracket connecting rod; 5a, a baffle plate; 6. inserting a pin; 7. a detection switch; 8a, a connecting shaft; 8b, a connecting shaft; 8c, a connecting shaft; 8d, a connecting shaft; 9. a rotating shaft; 10a, a stay bolt; 10b, a return spring; 10c, a butterfly nut; 11. a base plate; 12. a limiting plate; 13. a first gate ball; 14. a second gate ball; 15. a rotating shaft; 16. fixing the latch hook; 17. a door knife; 18. a door vane.
Detailed Description
The following describes further a specific embodiment of the elevator door lock device of the present invention with reference to the accompanying drawings.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.
As shown in fig. 1-4, an elevator door lock device includes a fixed latch hook 16 fixedly installed on a landing door head, and a movable latch hook 1 locked by the fixed latch hook 16 in a matching manner, the movable latch hook 1 is rotatably installed on a bottom plate 11 through a rotating shaft 9, the bottom plate 11 is fixedly installed on a landing door hanging plate, a detection switch 7 for detecting whether the movable latch hook 1 and the fixed latch hook 16 are locked is further installed on the bottom plate 11, a driving rod for driving the movable latch hook to move is further provided on the bottom plate 11, and a link mechanism for triggering the detection switch 7 to move is provided on the driving rod.
The actuating lever includes crank arm connecting rod 3 and first connecting rod 2, and crank arm connecting rod 3 is the structure as an organic whole, is equipped with the first swing arm 3a and the second swing arm 3b that interconnect becomes certain angle, and the first swing arm 3a rotates through pivot 15 with second swing arm 3b junction and installs on bottom plate 11. One end of the first connecting rod 2 is rotatably connected with the movable end of the second swing arm 3b through a connecting shaft 8b, the other end of the first connecting rod is rotatably connected with the movable lock hook 1 through a connecting shaft 8a, and the connecting shaft 8a is arranged between the hook head of the movable lock hook 1 and the rotating shaft 9. The movable end and the fixed end of the first swing arm 3a are respectively provided with a first gate ball 13 and a second gate ball 14.
Link mechanism includes second connecting rod 4 and support connecting rod 5, support connecting rod 5 all rotates through pivot 9 is coaxial with activity latch hook 1 and installs on bottom plate 11, pivot 9 sets up in support connecting rod 5 middle part position, support connecting rod 5 one end installation is equipped with the contact pin 6 that triggers the detection switch action, the other end rotates through connecting axle 8d and second connecting rod 4 one end to be connected, the second connecting rod 4 other end rotates through connecting axle 8c and connects on second swing arm 3b, connecting axle 8c sets up the position between connecting axle 8b and pivot 15. The end part of the support connecting rod 5 provided with the inserting pin 6 is arranged above the hook head of the movable locking hook 1, and a baffle 5a for preventing the movable locking hook 1 from rotating excessively is further arranged on the support connecting rod 5. One side of the baffle 5a can be used for installing the inserting pin 6, and the other side of the baffle can block the movable locking hook 1 to prevent the movable locking hook 1 from excessively rotating in the lifting process. Baffle 5a can also set up the shock pad towards one side of activity latch hook 1 to reduce activity latch hook 1 and lift up the rigid contact of in-process with baffle 5a, increase of service life reduces the noise.
Still be equipped with resetting means between bottom plate 11 and the crank arm connecting rod 3, resetting means is spring return mechanism, and this spring return mechanism includes pull rod bolt 10a, reset spring 10b and butterfly nut 10c, and corresponding position is equipped with limiting plate 12 and limiting plate 3c respectively on bottom plate 11, the crank arm connecting rod 3 and is used for fixed spring return mechanism. The pull rod bolt 10a penetrates through the two limiting plates; the reset spring 10b is sleeved on the pull rod bolt 10a, and two ends of the reset spring respectively abut against the two limiting plates; the butterfly nut 10c is matched and locked with the pull rod bolt 10a, the position of the crank arm connecting rod 3 is adjusted by screwing the butterfly nut 10c to adjust the compression amount of the return spring 10b, so that the limit rotation position of the movable locking hook 1 during locking is adjusted, rigid collision is avoided when the movable locking hook 1 is locked with the fixed locking hook 16, noise during door closing is eliminated, and the use comfort of the elevator is improved.
As shown in fig. 3 and 4, the elevator door lock device provided by the present invention has the following working processes:
when the elevator door is normally closed, the elevator door lock device is locked, the movable lock hook 1 and the fixed lock hook 16 are locked with each other, and the contact pin 6 triggers the detection switch 7 to switch on the safety loop. When the elevator is opened, the door knife 17 and the door knife 18 which are positioned between the first door ball 13 and the second door ball 14 are controlled by the door machine to move back and forth, the door knife 18 pushes the first door ball 13, the transverse distance between the first door ball 13 and the second door ball 14 is increased, the crank arm connecting rod 3 is driven to rotate clockwise around the rotating shaft 15, the movable end of the first swing arm 3a is driven by the first door ball 13 to rotate downwards, the movable end of the second swing arm 3b rotates around the rotating shaft 15 to lift, stress is transmitted through the first connecting rod 2, the movable lock hook 1 rotates around the rotating shaft 9 to lift and is separated from the fixed lock hook 16, the movable lock hook 1 and the fixed lock hook 16 are unlocked, and the elevator door lock device is opened. Meanwhile, the second connecting rod 4 transmits stress, the support connecting rod 5 rotates anticlockwise around the rotating shaft 9, the contact pin 6 at the end part of the support connecting rod 5 is separated from the detection switch 7, a safety loop is cut off, and the elevator door can be opened safely.
When the door is closed, the door operator controls the door operator 17 and the door operator 18 to move in the opposite direction, the second swing arm 3b returns downwards around the rotating shaft 15 under the combined action of gravity and the restoring elastic force of the spring return mechanism return spring 10b, the transverse distance between the first door ball 13 and the second door ball 14 is reduced, and the crank arm connecting rod 3 rotates anticlockwise around the rotating shaft 15. The second swing arm 3b rotates around the rotating shaft 15 to fall back, stress is transmitted through the first connecting rod 2, the movable lock hook 1 rotates around the rotating shaft 9 to fall back and is locked with the fixed lock hook 16, the movable lock hook 1 is locked with the fixed lock hook 16, and the elevator door lock device is locked. Meanwhile, stress is transmitted through the second connecting rod 4, the support connecting rod 5 rotates clockwise around the rotating shaft 9, the contact pin 6 at the end part of the support connecting rod 5 triggers the detection switch 7 to act, the safety loop is switched on, and the elevator door cannot be opened.
The elevator door lock device has the advantages of exquisite structure, low cost, high reliability and stability, and the detection switch is triggered while the movable latch hook and the fixed latch hook are driven to be locked by utilizing the characteristic of linkage consistency of the connecting rods. Meanwhile, potential safety hazards caused by the overlapping of exposed electrical contacts in the prior art are eliminated, and the safety performance of the door lock device is effectively improved.
Appropriate changes and modifications to the embodiments described above will become apparent to those skilled in the art from the disclosure and teachings of the foregoing description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. The elevator door lock device is characterized in that the detection switch is installed on a bottom plate, the movable lock hook is rotatably installed on the bottom plate, a driving rod for driving the movable lock hook to act is further arranged on the bottom plate, and a connecting rod mechanism for triggering the detection switch to act is further arranged on the driving rod.
2. The elevator door lock device of claim 1, wherein the driving lever is a crank arm link rotatably mounted on the base plate, a middle portion of the crank arm link being rotatably connected to the base plate, one end of the crank arm link being rotatably connected to the movable hook, and the other end of the crank arm link being fixed with the door ball.
3. The elevator door lock device of claim 2, wherein the drive rod further comprises a first link movably connected at one end to the end of the crank link and at the other end to the movable shackle.
4. The elevator door lock apparatus of claim 2, wherein the linkage mechanism includes a second link and a bracket link, the second link being movably connected at one end to the crank link and at the other end to the bracket link, the bracket link being rotatably mounted to the base plate.
5. The elevator door lock device of claim 4, wherein the bracket link is pivotally mounted to the floor coaxially with the movable latch hook.
6. The elevator door lock device of claim 1, wherein a return device is further provided between the bottom plate and the drive rod.
7. The elevator door lock device according to claim 6, wherein the returning means is a spring returning mechanism, and the bottom plate and the driving rod are respectively provided with a limiting plate, and both ends of the spring returning mechanism are respectively fixed to the limiting plates.
8. The elevator door lock apparatus of claim 7, wherein the spring return mechanism comprises:
the pull rod bolt penetrates through the limiting plates on the bottom plate and the driving rod;
the reset spring is sleeved on the pull rod bolt, and two ends of the reset spring respectively abut against the two limiting plates;
and the butterfly nut is matched with the pull rod bolt to lock and adjust the initial position of the driving rod.
9. The elevator door lock device of claim 4, wherein the bracket link is provided with a pin for triggering the detection switch.
10. The elevator door lock device of claim 4, wherein the bracket link is provided with a stop preventing the movable hook from over-rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920513443.9U CN209974069U (en) | 2019-04-16 | 2019-04-16 | Elevator door lock device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920513443.9U CN209974069U (en) | 2019-04-16 | 2019-04-16 | Elevator door lock device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209974069U true CN209974069U (en) | 2020-01-21 |
Family
ID=69258238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920513443.9U Active CN209974069U (en) | 2019-04-16 | 2019-04-16 | Elevator door lock device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209974069U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110054062A (en) * | 2019-04-16 | 2019-07-26 | 浙江西子重工机械有限公司 | A kind of elevator door lock device |
-
2019
- 2019-04-16 CN CN201920513443.9U patent/CN209974069U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110054062A (en) * | 2019-04-16 | 2019-07-26 | 浙江西子重工机械有限公司 | A kind of elevator door lock device |
| CN110054062B (en) * | 2019-04-16 | 2024-04-02 | 杭州优迈机电科技有限公司 | Elevator door lock device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210521 Address after: Room 305-w, 3rd floor, No.11 Lane 1888, Caoyang Road, Putuo District, Shanghai 200333 Patentee after: Xin Xi'ao Elevator Group Co.,Ltd. Address before: No.46, Qichao Road, Chang'an Town (Nongfa District), Haining City, Jiaxing City, Zhejiang Province Patentee before: ZHEJIANG XIZI HEAVY INDUSTRY MACHINERY Co.,Ltd. |