CN216583702U

CN216583702U - Synchronous door knife device of elevator door lock

Info

Publication number: CN216583702U
Application number: CN202123040563.8U
Authority: CN
Inventors: 李高位
Original assignee: Shanghai Yifu Electronic Technology Co ltd
Current assignee: Shanghai Yifu Electronic Technology Co ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-05-24
Anticipated expiration: 2031-12-02

Abstract

The utility model discloses a synchronous door knife device of an elevator door lock, which relates to the technical field of elevator equipment and comprises a transmission component, a knife arm component, a door ball, a hook locking block, an unlocking component, a connecting piece and a door knife back plate, wherein: one end of the unlocking piece is connected with the cutter arm assembly, the other end of the unlocking piece is connected with the connecting piece in a sliding mode, and the two ends of the unlocking piece are rotatably connected with the transmission assembly; so that one end of the unlocking piece drives the cutter arm component to move under the driving of the transmission component, and the other end of the unlocking piece moves along the connecting piece; the knife arm component is provided with a transmission pin for driving the unlocking piece to rotate, and is movably matched with the door ball, so that when the knife arm component is driven by the unlocking piece to be mutually extruded with the door ball, the knife arm component rotates under the thrust of the door ball in reaction, and the transmission pin pushes the unlocking piece to rotate; one end of the connecting piece is connected with the hook locking piece, the other end of the connecting piece is installed on the door knife back plate, and the hook locking piece is used for being movably matched with the hook groove, so that the unlocking piece drives the connecting piece to rotate when rotating, and then the hook locking piece is separated from the hook groove.

Description

Synchronous door knife device of elevator door lock

Technical Field

The utility model relates to the technical field of elevator equipment, in particular to an elevator door lock synchronous door knife device.

Background

At present, most of car door lock anti-theft door knife devices in the market adopt a self-resetting spring mechanism, taking an internal clamping type door knife as an example, a door knife arm is folded to tighten a door ball so as to synchronously unlock the door knife and a door lock, and the door knife arm is opened to release the door ball so as to ensure that the door knife and the door ball ensure a safe movement gap when an elevator runs up and down; the knife-opening state of the door knife in the form of the above structure is maintained by the tension of a synchronous belt of the door machine, and when the door machine has no door-closing holding force, the door knife can automatically retract the door knife. When the elevator is in failure, the door motor system is out of power or is used for rescue outside a landing, and when the car is turned around for rescue in a non-unlocking area, the problem that a door knife can collide with a floor door lock exists, so that great difficulty is brought to rescue.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

The utility model provides a synchronous door knife device for an elevator door lock, which aims to solve the technical problem that a door knife can collide with a floor door lock when a car is turned in a non-unlocking area for rescue.

2. Technical scheme

In order to solve the problems, the technical scheme provided by the utility model is as follows: the utility model provides a synchronous door sword device of elevator lock, includes drive assembly, tool arm subassembly, croquet, hook lock piece, unblock piece, connecting piece and door sword backplate, wherein: one end of the unlocking piece is connected with the cutter arm assembly, the other end of the unlocking piece is connected with the connecting piece in a sliding mode, and the two ends of the unlocking piece are rotatably connected with the transmission assembly; so that one end of the unlocking piece drives the cutter arm component to move under the driving of the transmission component, and the other end of the unlocking piece moves along the connecting piece; the knife arm component is provided with a transmission pin for driving the unlocking piece to rotate, and is movably matched with the door ball, so that when the knife arm component is driven by the unlocking piece to be mutually extruded with the door ball, the knife arm component rotates under the thrust of the door ball in reaction, and the transmission pin pushes the unlocking piece to rotate; one end of the connecting piece is connected with the hook locking piece, the other end of the connecting piece is installed on the door knife back plate, and the hook locking piece is used for being movably matched with the hook groove, so that the unlocking piece drives the connecting piece to rotate when rotating, and then the hook locking piece is separated from the hook groove.

Optionally, the knife arm assembly includes a first connecting rod, a first knife arm, a second connecting rod and a second knife arm, the transmission pin is arranged on the first connecting rod, and the first connecting rod, the first knife arm, the second connecting rod and the second knife arm are hinged to each other to form a parallelogram link mechanism.

Optionally, unlocking piece one end is equipped with the slotted hole, the slotted hole cooperates with the driving pin, and the unlocking piece other end is equipped with the gyro wheel, connecting piece and gyro wheel sliding connection.

Optionally, the transmission assembly includes a transmission rod and a transmission slider moving along the transmission rod, and the transmission slider is connected with the unlocking member.

Optionally, a connecting shaft is arranged between the transmission sliding block and the unlocking piece, one end of the connecting shaft is installed on the transmission sliding block, and the other end of the connecting shaft is rotatably connected with the unlocking piece.

Optionally, be equipped with first articulated shaft and second articulated shaft on the door sword backplate, first connecting rod rotates and installs at first articulated shaft, the second connecting rod rotates and installs at the second articulated shaft.

Optionally, one end of the hook locking block is rotatably installed on the door knife back plate, the other end of the hook locking block is used for being matched with the hook groove, and one end, far away from the door knife back plate, of the hook locking block is connected with the connecting piece.

Optionally, the transmission device further comprises a trigger piece, the transmission slide block is provided with a groove matched with the trigger piece, and the groove is matched with the trigger piece.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

(1) according to the synchronous door knife device for the elevator door lock, when the transmission assembly slides leftwards (far away from the direction of the hook locking piece), the transmission sliding block drives the unlocking piece to slide leftwards, the unlocking piece drives the knife arm assembly to fold, the knife arm assembly and the door ball are extruded mutually, the knife arm assembly rotates under the thrust of the door ball in a reaction mode, the transmission pin pushes the unlocking piece to rotate, the unlocking piece hooks the connecting piece, and the connecting piece drives the hook locking piece to be separated from the hook groove to achieve unlocking; when the transmission assembly slides rightwards (namely, in the direction close to the hook locking block), the transmission slide block drives the unlocking piece to slide rightwards, the unlocking piece drives the cutter arm assembly to open, and at the moment, the cutter arm assembly is not stressed and cannot trigger the unlocking piece to rotate; when the door is manually opened, the gate ball is kept still, and the knife arm assembly integrally moves leftwards, and the knife arm assembly is interacted to unlock after touching the gate ball. Consequently under the circumstances that the tool arm subassembly does not receive the croquet effort, no matter door sword slider slides left or right, can not make the hook locking piece break away from the hook groove, when meetting the elevator trouble, rescue personnel can barring rescue, and the tool arm subassembly is in the state of opening all the time this moment, and at elevator barring in-process, the tool arm subassembly can not collide the croquet yet, ensures safety.

(2) The synchronous door sword device of elevator lock that this application embodiment provided, the driving pin can be followed the slotted hole and slided and promote through the slotted hole that the piece is rotated to the unblock, makes the gyro wheel of the unblock other end take the connecting piece, and then takes the hook locking piece, makes the hook locking piece break away from in the hook groove. Connecting piece and gyro wheel sliding connection, when making the unlocking piece horizontal migration, the gyro wheel rolls along the connecting piece, and the connecting piece level sets up and does not change, and when the unlocking piece was rotatory, the gyro wheel took up the connecting piece, and then made the connecting piece take up the hook locking piece. In other embodiments, the roller may be a hook for hooking up the connecting member.

Drawings

Fig. 1 is a schematic structural diagram of an elevator door lock synchronous door knife device provided by an embodiment of the utility model under the condition that a knife arm assembly is folded and a hook lock block is locked.

Fig. 2 is a schematic structural diagram of an elevator door lock synchronous door knife device provided in an embodiment of the present invention, when a knife arm assembly is closed and a hook lock block is lifted and unlocked.

Fig. 3 is a schematic structural diagram of an elevator door lock synchronous door knife device provided by an embodiment of the utility model under the condition that a knife arm assembly is opened and a hook lock block is locked.

Fig. 4 is a schematic structural diagram of an elevator door lock synchronous door knife device according to an embodiment of the present invention, when a knife arm assembly is opened and a hook lock block is lifted to unlock the device.

Fig. 5 is a schematic structural view of an unlocking member of an elevator door lock synchronous door knife device according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a door vane back plate of an elevator door lock synchronous door vane device according to an embodiment of the present invention.

The labels in the various figures are: 1. a transmission assembly; 11. a transmission rod; 12. a transmission slide block; 121. a groove; 2. a knife arm assembly; 21. a drive pin; 22. a first link; 23. a first cutter arm; 24. a second link; 25. a second cutter arm; 3. a trigger; 4. a hook lock block; 5. unlocking the lock; 51. a slot; 52. a roller; 53. a connecting shaft; 6. a connecting member; 7. a door vane back plate; 71. a first hinge shaft; 72. a second hinge shaft.

Detailed Description

For a further understanding of the present invention, reference will now be made in detail to the embodiments illustrated in the drawings.

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. The terms first, second, and the like in the present invention are provided for convenience of describing the technical solution of the present invention, and have no specific limiting effect, but are all generic terms, and do not limit the technical solution of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly and encompass, for example, both fixed and removable coupling as well as integral coupling; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The technical solutions in the same embodiment and the technical solutions in different embodiments can be arranged and combined to form a new technical solution without contradiction or conflict, and the technical solutions are within the scope of the present invention.

Example 1

With reference to fig. 1-6, the synchronous doorknife device for elevator door lock of the present embodiment is characterized by comprising a transmission assembly 1, a knife arm assembly 2, a doorball, a hook lock block 4, an unlocking member 5, a connecting member 6 and a doorknife back plate 7, wherein: one end of the unlocking piece 5 is connected with the cutter arm component 2, the other end of the unlocking piece 5 is connected with the connecting piece 6 in a sliding mode, and two ends of the unlocking piece 5 are rotatably connected with the transmission component 1; so that one end of the unlocking piece 5 drives the knife arm component 2 to move under the drive of the transmission component 1, and the other end of the unlocking piece 5 moves along the connecting piece 6; the cutter arm component 2 is provided with a transmission pin 21 for driving the unlocking piece 5 to rotate, the cutter arm component 2 is movably matched with the door ball, so that when the cutter arm component 2 is driven by the unlocking piece 5 to be mutually extruded with the door ball, the cutter arm component 2 rotates under the thrust of the door ball reaction, and the transmission pin 21 pushes the unlocking piece 5 to rotate; 6 one end of connecting piece is connected with hook locking piece 4, and the connecting piece 6 other end is installed on door sword backplate 7, hook locking piece 4 is used for with hook groove clearance fit to drive connecting piece 6 to rotate when making unlocking piece 5 rotate, and then make hook locking piece 4 break away from the hook groove. When the transmission assembly 1 slides leftwards (i.e. in the direction away from the hook locking block 4), the transmission slide block 12 drives the unlocking piece 5 to slide leftwards, the unlocking piece 5 drives the cutter arm assembly 2 to fold, so that the cutter arm assembly 2 is mutually extruded with a door ball, the cutter arm assembly 2 rotates clockwise under the thrust of the door ball reaction, the transmission pin 21 pushes the unlocking piece 5 to rotate anticlockwise, the unlocking piece 5 hooks the connecting piece 6, and the connecting piece 6 lifts the hook locking block 4 to separate from the hook groove, so as to realize unlocking; when the transmission assembly 1 slides rightwards (i.e. in the direction close to the hook locking block 4), the transmission slide block 12 drives the unlocking piece 5 to slide rightwards, the unlocking piece 5 drives the cutter arm assembly 2 to open, and at the moment, the cutter arm assembly 2 is not stressed and cannot trigger the unlocking piece 5 to rotate; when the door is manually opened, the gate ball is kept still, and the knife arm assembly 2 integrally moves leftwards, and the knife arm assembly 2 interacts with the gate ball to unlock the door after touching the gate ball. Consequently under the circumstances that cutter arm subassembly 2 does not receive the croquet effort, no matter door sword slider slides left or right, can not make hook locking piece 4 break away from the hook groove, when meetting the elevator trouble, rescue personnel can barring rescue, and cutter arm subassembly 2 is in the open state all the time this moment, and at elevator barring in-process, cutter arm subassembly 2 can not collide the croquet yet, ensures safety. The connecting member 6 in this embodiment has bendability.

Example 2

With reference to fig. 1-6, compared with the technical solution of embodiment 1, the synchronous door knife device for elevator door lock of the present embodiment can be improved as follows: the knife arm assembly 2 comprises a first connecting rod 22, a first knife arm 23, a second connecting rod 24 and a second knife arm 25, the transmission pin 21 is arranged on the first connecting rod 22, and the first connecting rod 22, the first knife arm 23, the second connecting rod 24 and the second knife arm 25 are hinged with each other to form a parallelogram linkage. The transmission assembly 1 drives the unlocking piece 5 to slide leftwards, the unlocking piece 5 drives the first connecting rod 22 and the second connecting rod 24 to deform, the first cutter arm 23 and the second cutter arm 25 are made to approach each other until being extruded with a gate ball, and under the reaction force of the gate ball, the first cutter arm 23 and the second cutter arm 25 move towards the direction of mutual separation, the first connecting rod 22 is made to rotate clockwise, further the transmission pin 21 on the first connecting rod 22 pushes the unlocking piece 5 to rotate anticlockwise, the unlocking piece 5 drives the connecting piece 6, the connecting piece 6 drives the hook block 4 to break away from a hook groove, and unlocking is achieved.

Example 3

With reference to fig. 1-6, the elevator door lock synchronous door knife device of the present embodiment can be improved as follows compared with the technical solutions of embodiments 1 or 2: one end of the unlocking piece 5 is provided with a slotted hole 51, the slotted hole 51 is matched with the transmission pin 21, the other end of the unlocking piece 5 is provided with a roller 52, and the connecting piece 6 is connected with the roller 52 in a sliding manner. The driving pin 21 can slide along the slotted hole 51 and push the unlocking piece 5 to rotate through the slotted hole 51, so that the roller 52 at the other end of the unlocking piece 5 can lift the connecting piece 6, and further lift the hook locking piece 4, and the hook locking piece 4 can be separated from the hook groove. The connecting piece 6 is connected with the roller 52 in a sliding mode, when the unlocking piece 5 moves horizontally, the roller 52 rolls along the connecting piece 6, the horizontal arrangement of the connecting piece 6 is not changed, and when the unlocking piece 5 rotates, the roller 52 brings the connecting piece 6 up, so that the connecting piece 6 brings the hook locking piece 4 up. In other embodiments, the roller 52 may be a hook for hooking up the connecting member 6. The unlocking member 5 in this embodiment is an inverted V-shaped structure, and the slot 51 and the roller 52 are rotated about the connecting shaft 53 while saving space.

Example 4

With reference to fig. 1-6, the elevator door lock synchronous door knife device of the present embodiment can be improved as follows compared with any one of the technical solutions of embodiments 1-3: the transmission assembly 1 comprises a transmission rod 11 and a transmission slide block 12 moving along the transmission rod 11, and the transmission slide block 12 is connected with the unlocking piece 5.

Example 5

With reference to fig. 1 to 6, the elevator door lock synchronous door knife device of the present embodiment can be improved as follows compared with any one of the technical solutions of embodiments 1 to 4: a connecting shaft 53 is arranged between the transmission sliding block 12 and the unlocking piece 5, one end of the connecting shaft 53 is installed on the transmission sliding block 12, and the other end of the connecting shaft 53 is rotatably connected with the unlocking piece 5. The transmission slide block 12 drives the unlocking member 5 to move horizontally through the connecting shaft 53, and when the unlocking member 5 rotates under the push of the transmission pin 21, the unlocking member 5 rotates around the connecting shaft 53.

Example 6

With reference to fig. 1 to 6, the elevator door lock synchronous door knife device of the present embodiment can be improved as follows compared with any one of the technical solutions of embodiments 1 to 5: the door vane back plate 7 is provided with a first hinge shaft 71 and a second hinge shaft 72, the first connecting rod 22 is rotatably mounted on the first hinge shaft 71, and the second connecting rod 24 is rotatably mounted on the second hinge shaft 72. The unlocking member 5 drives the first link 22 to move through the driving pin 21, and due to the instability of the parallelogram link mechanism, the first link 22 and the second link 24 synchronously rotate around the first hinge shaft 71 and the second hinge shaft 72, respectively, so that the first blade arm 23 and the second blade arm 25 approach or separate from each other.

Example 7

With reference to fig. 1 to 6, the elevator door lock synchronous door knife device of the present embodiment can be improved as follows compared with any one of the technical solutions of embodiments 1 to 6: one end of the hook locking block 4 is rotatably installed on the door knife back plate 7, the other end of the hook locking block 4 is used for being matched with the hook groove, and one end, far away from the door knife back plate 7, of the hook locking block 4 is connected with the connecting piece 6. The gravity center of the hook locking block 4 is at one end matched with the hook groove, when the connecting piece 6 is taken up by the roller 52, the connecting piece 6 takes up one end of the hook locking block 4 far away from the door knife back plate 7, so that the hook locking block 4 is separated from the hook groove, and then the hook locking block 4 falls again under the action of self gravity to be matched with the hook groove.

Example 8

With reference to fig. 1 to 6, the elevator door lock synchronous door knife device of the present embodiment can be improved as follows compared with any one of the technical solutions of embodiments 1 to 7: the device further comprises a trigger part 3, the transmission slide block 12 is provided with a groove 121 matched with the trigger part 3, and the groove 121 is matched with the trigger part 3. The trigger 3 is matched with the groove 121, so that relative displacement between the trigger 3 and the transmission slide block 12 cannot occur, and the trigger 3 fully plays a limiting role.

The present invention and its embodiments have been described above schematically, and the description is not intended to be limiting, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the utility model, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the utility model.

Claims

1. The utility model provides a synchronous door sword device of elevator lock which characterized in that, includes drive assembly, tool arm subassembly, croquet, hook locking piece, unblock spare, connecting piece and door sword backplate, wherein:

one end of the unlocking piece is connected with the cutter arm assembly, the other end of the unlocking piece is connected with the connecting piece in a sliding mode, and the two ends of the unlocking piece are rotatably connected with the transmission assembly; so that one end of the unlocking piece drives the cutter arm component to move under the driving of the transmission component, and the other end of the unlocking piece moves along the connecting piece;

the knife arm assembly is provided with a transmission pin for driving the unlocking piece to rotate, and is movably matched with the gate ball, so that when the knife arm assembly is driven by the unlocking piece to be mutually extruded with the gate ball, the knife arm assembly rotates under the thrust force of the reaction of the gate ball, and the transmission pin pushes the unlocking piece to rotate;

one end of the connecting piece is connected with the hook locking piece, the other end of the connecting piece is installed on the door knife back plate, and the hook locking piece is used for being movably matched with the hook groove, so that the unlocking piece drives the connecting piece to rotate when rotating, and then the hook locking piece is separated from the hook groove.

2. The elevator door lock synchronous door knife device according to claim 1, wherein the knife arm assembly comprises a first connecting rod, a first knife arm, a second connecting rod and a second knife arm, the transmission pin is arranged on the first connecting rod, and the first connecting rod, the first knife arm, the second connecting rod and the second knife arm are hinged with each other to form a parallelogram linkage mechanism.

3. The synchronous door knife device of elevator door lock according to claim 1, characterized in that one end of the unlocking piece is provided with a slotted hole, the slotted hole is matched with the transmission pin, the other end of the unlocking piece is provided with a roller, and the connecting piece is connected with the roller in a sliding way.

4. The elevator door lock synchronized door blade device of claim 1, wherein the drive assembly includes a drive rod and a drive slider that moves along the drive rod, the drive slider being connected to the unlocking member.

5. The synchronous door knife device of an elevator door lock according to claim 4, characterized in that a connecting shaft is arranged between the transmission slider and the unlocking piece, one end of the connecting shaft is arranged on the transmission slider, and the other end of the connecting shaft is rotatably connected with the unlocking piece.

6. The elevator door lock synchronous door vane device according to claim 2, wherein the door vane back plate is provided with a first hinge shaft and a second hinge shaft, the first link is rotatably mounted at the first hinge shaft, and the second link is rotatably mounted at the second hinge shaft.

7. The elevator door lock synchronous door knife device according to claim 1, wherein one end of the hook locking block is rotatably mounted on the door knife back plate, the other end of the hook locking block is used for being matched with the hook groove, and one end of the hook locking block, which is far away from the door knife back plate, is connected with the connecting piece.

8. The elevator door lock synchronous door knife device according to claim 4, further comprising a trigger member, wherein the transmission slider is provided with a groove engaged with the trigger member, and the groove is engaged with the trigger member.