A door lock structure for a hall door upper sill device in an elevator

Abstract

The utility model relates to elevator field especially elevator hall door upper ridge device is with door lock structure. Elevator hall door upper ridge device is with door lock structure, including bottom plate frame subassembly and lock hook, bottom plate frame subassembly front side is equipped with fixed door ball subassembly, is equipped with movable door ball subassembly on the lock hook, the right side bottom of auxiliary contact component is equipped with the vertical direction's plug -in piece, and the plug -in piece inserts the spout, and the bottom of auxiliary contact component is equipped with auxiliary contact, and the right side of left hanging plate wheel component is equipped with the contact piece for with switch component cooperation. The utility model has the advantages that: the knife arm controls the contact break of door lock subassembly and auxiliary contact component, the gravity of weight assembly moves downward, and the fixed support of left hanging plate wheel component is conducted, and then drives left hanging plate wheel component to move in the guide rail, and right hanging plate wheel moves in through the linkage steel wire rope component, and the lock hook device of elevator door is to ensure that the elevator door keeps closed and mechanically locked when operating, prevents accidental opening, and this is the core function of the door lock device.

Description

Technical Field

[0001] This utility model relates to the field of elevators, and in particular to a door lock structure for a sill device on a hallway door in an elevator. Background Technology

[0002] The landing door sill device is primarily used to ensure the safe entry and exit of passengers into and out of the elevator car and to prevent accidental falls. As the outer door of the elevator, the landing door uses a mechanical locking device and an electrical interlocking system to ensure it is locked when closed, preventing accidental opening during elevator operation that could lead to falls or shearing accidents. Current designs have safety hazards. The landing door opening and closing is driven by the car door opening knife, which is electrically interlocked with the car door; the elevator cannot start if it is not fully closed. Currently, some door lock designs do not meet safety requirements and pose safety hazards. Summary of the Invention

[0003] In order to solve the above-mentioned technical problems with potential safety hazards, this utility model provides a device for raising the threshold of the elevator hall door.

[0004] The technical solution of this utility model is as follows: A door lock structure for an elevator hall door sill device includes a base plate assembly and a lock hook. A fixed door ball assembly is provided on the front side of the base plate assembly, and a movable door ball assembly is provided on the lock hook. A vertical insert is provided on the bottom right side of the auxiliary contact assembly, and the insert is inserted into the socket. An auxiliary contact is provided at the bottom of the auxiliary contact assembly. A contact element for cooperating with a switch assembly is provided on the right side of the left hanging plate wheel assembly.

[0005] The base plate frame assembly has a mounting bracket at its top, and a mounting cylinder in the middle of the mounting bracket. A self-lubricating bearing is pressed into the mounting cylinder by a hydraulic device. The base plate frame assembly and the locking hook are riveted together by a connecting pin on the hydraulic device. The connecting pin passes through the mounting ring of the locking hook and the self-lubricating bearing for fixation. A secondary locking hook is provided on the inner left side of the locking hook. A left mounting block and a right mounting block are provided on both sides of the front of the mounting bracket. The left mounting block is fixed to the goal ball assembly by an eccentric fixing pin. The lower front side of the locking hook is fixed to the moving goal ball assembly by a roller fixing pin. The moving goal ball assembly is located on the left side of the right mounting block. A counterweight assembly is provided at the bottom right side of the locking hook. Limiting rubber is provided on both sides of the mounting cylinder. A downward-facing mounting position is provided at the left end of the locking hook. A contact assembly is provided at the mounting position. The bottom left side of the locking hook is arc-shaped and curves downward.

[0006] The counterweight assembly is riveted to the locking hook with rivets; the secondary locking hook is riveted to the locking hook with rivets; the contact assembly is fixed to the locking hook with bolts; the roller fixing pin is fixed to the locking hook with a nut; the eccentric fixing pin is fixed to the base plate frame assembly with a nut; and the secondary locking hook is provided with a ramp.

[0007] The technical solution of this utility model has a novel structure and a clever and simple design. Through the contact cooperation and locking of the door lock assembly and the auxiliary contact assembly, the knife arm controls the disconnection of the contact of the door lock assembly and the auxiliary contact assembly. The weight of the counterweight assembly moves downward and is simultaneously transmitted to the fixed bracket of the left hanging plate wheel assembly, thereby driving the left hanging plate wheel assembly to move inward on the guide rail. The right hanging plate wheel assembly moves inward through the linkage steel wire rope assembly. The elevator door locking hook device ensures that the elevator door remains closed and mechanically locked during operation to prevent accidental opening. This is the core function of the door lock device, and the safety is improved and guaranteed. Attached Figure Description

[0008] Figure 1 , 2 This is a schematic diagram of the structure of this utility model; Figure 3 This is a schematic diagram of the structure of this utility model in an explosive state; Figure 4 , 7 Figures 8, 9, 10, and 11 are structural schematic diagrams of an embodiment of this utility model; Figure 5 This is a schematic diagram of the structure of the locking hook of this utility model; Figure 6 This is a structural schematic diagram of the base plate frame assembly of this utility model; Figure 12 A schematic diagram of the right-side hanging plate wheel assembly of this utility model; Figure 13 This is a schematic diagram of the structure of the triangular lock of this utility model; Figure 14 This is a structural schematic diagram of the secondary contact assembly of this utility model; Figure 15 This is a schematic diagram of the structure of the guide rail of this utility model; Figure 16 This is a structural schematic diagram of the bracket of this utility model; Figure 17 This is a structural schematic diagram of the base plate assembly of this utility model; Figure 18 This is a structural schematic diagram of the emergency lock hook unlocking assembly of this utility model. Detailed Implementation

[0009] The present invention will be further described below with reference to the accompanying drawings and embodiments. Example

[0010] like Figure 1 , 2As shown in Figures 3, 5, and 6, a door lock structure for an elevator hall door sill device is provided. The door lock assembly 4 includes a base plate frame assembly 31 and a lock hook 32. A fixed door ball assembly 33 is provided on the front side of the base plate frame assembly 31, and a movable door ball assembly 42 is provided on the lock hook 32. A vertical insert 26 is provided at the bottom right side of the auxiliary contact assembly 9. The insert 26 is inserted into the socket 27. A secondary contact is provided at the bottom of the auxiliary contact assembly 9. A contact piece 28 for cooperating with the switch assembly 8 is provided on the right side of the left hanging plate wheel assembly 2.

[0011] The base plate frame assembly 31 has a mounting bracket 22 at its top, and a mounting cylinder 23 in the middle of the mounting bracket 22. A self-lubricating bearing 39 is pressed into the mounting cylinder 23 by a hydraulic device. The base plate frame assembly 31 and the locking hook 32 are riveted together by a connecting pin 37 in a hydraulic device. The connecting pin 37 passes through the mounting ring 25 of the locking hook 32 and the self-lubricating bearing 39 for fixation. A secondary locking hook 36 is provided on the inner left side of the locking hook 32. A left mounting block and a right mounting block are provided on the front two sides of the mounting bracket 22. The left mounting block is fixed to the goal ball assembly 33 by an eccentric fixing pin 41. The lower front side of the locking hook 32 is fixed to the moving goal ball assembly 42 by a roller fixing pin 40. The moving goal ball assembly 42 is located on the left side of the right mounting block. A counterweight assembly 38 is provided at the bottom right side of the locking hook 32. Limiting rubber 34 is provided on both sides of the mounting cylinder 23. The left end of the locking hook 32 has a downward-facing mounting position with a contact assembly 35. The bottom left side of the locking hook 32 is arc-shaped and curves downward.

[0012] The counterweight assembly 38 is riveted to the locking hook 32 by rivets; the secondary locking hook 36 is riveted to the locking hook 32 by rivets; the contact assembly 35 is fixed to the locking hook 32 by bolts; the roller fixing pin 40 is fixed to the locking hook 32 by nuts; the eccentric fixing pin 41 is fixed to the base plate frame assembly 31 by nuts; and the secondary locking hook is provided with a ramp.

[0013] like Figure 4 , 7As shown in 1, 2, 3, 4, 5, 6, 7, and 18, this assembly is used in conjunction with the linkage wire rope assembly 6, switch assembly 8, secondary contact assembly 9, emergency lock hook unlocking assembly 10, counterweight assembly 11, and counterweight wire rope pulley assembly 12. The base plate assembly 1 includes a back plate 14, a top plate 13 at the top of the back plate 14, and a base plate 15 at the bottom of the back plate 14. The top plate 13 and the base plate 15 are horizontally arranged. The base plate assembly 1 has side brackets 16 at both ends. The inner side of each side bracket 16 has an inner mounting plate and an outer mounting plate. The inner mounting plate has a rope wheel assembly 5 and a guide rail 7. The guide rail 7 has outward-facing grooves. The left hanging plate wheel assembly 2 is engaged with the guide rail 7 via guide wheels a at both ends of the back of the left hanging plate wheel assembly 2, and the right hanging plate wheel assembly 3 is engaged with the guide rail 7 via guide wheels b at both ends of the back of the right hanging plate wheel assembly 3, in the groove of the guide rail 7. The linkage wire rope assembly 6 is wound in the grooves of the rope wheel assembly 5 at both ends. The two ends of the rope head of the linkage wire rope assembly 6 are fixed to the wire rope fixing bracket 16 on the left hanging plate wheel assembly 2. The auxiliary contact assembly 9 is fixed to the top plate 13 of the base plate assembly 1. The switch assembly 8 is fixed to the top plate 13 of the base plate assembly 1. The counterweight wire rope wheel assembly 12 is fixed to the inner wall of the back plate 14 of the base plate assembly 1. The wire rope of the counterweight assembly 11 is wound in the groove of the counterweight wire rope wheel assembly 12. One end of the rope head in the counterweight assembly 11 is fixed together with the fixing bracket in the left hanging plate wheel assembly 2. The emergency lock hook unlocking assembly 10 is fixed together with the mounting hole 17 of the base plate assembly 1 through the fixing nut. The bracket slot in the emergency lock hook unlocking assembly 10 is engaged with the lock hook plate 22 in the door lock assembly 4. The door lock assembly 4 is fixed together with the front wall of the right hanging plate wheel assembly 3. The top left side of the door lock assembly 4 is provided with a socket 27.

[0014] The secondary contact assembly 9 is fixed to the top plate of the base plate assembly 1 by flange locking bolts and nuts. The switch assembly 8 is fixed to the top plate of the base plate assembly 1 by flange locking bolts and nuts. The counterweight wire rope wheel assembly 12 is fixed to the inner wall of the base plate assembly 1 by flange locking bolts and nuts. The guide rail 7 is fixed to both ends of the base plate assembly 1 by flange locking bolts and nuts. The door lock assembly 4 is fixed to the right hanging plate wheel assembly 3 by flange locking bolts. The two ends of the rope head of the linkage wire rope assembly 6 are fixed to the two ends of the bracket on the left hanging plate wheel assembly 2 by hexagonal nuts. The fixed shaft in the linkage wire rope assembly 6 is fixed to the wire rope fixing bracket on the right hanging plate wheel assembly 3 by hexagonal nuts.

[0015] The emergency lock hook unlocking assembly 10 includes a bracket 18. The bottom of the bracket 18 has a recess 19 that engages with the top plate slot of the triangular lock. A rod 20 is located on the upper rear side of the bracket 18, and a bracket 21 is located on the front side of the rod 20. The bottom of the bracket 21 has a smooth wall. The rod 20 is inserted into a locking hole in the top plate 13. A torsion spring is fitted onto the rod 20, with one end fixed to the bracket 21. The other end of the torsion spring is fixed to the back plate 14 for support.

[0016] The landing door sill device is fixed to the corresponding elevator landing by a fixed bracket and expansion bolts. When someone in the elevator car presses the button for the corresponding floor, the elevator car will reach that floor. After the car stops, the elevator door knife arm will open, clamping the door ball in the door lock assembly 4, causing the lock hook to fall. The contact on the lock hook will disconnect from the switch in the auxiliary contact assembly 9. Then, the motor on the elevator car door will rotate, and the steel cable on the elevator car door will drive the door knife to move. The drag force of the door knife will be transmitted to the right hanging plate wheel assembly 3 through the door lock assembly 4. The guide wheel on the right hanging plate wheel assembly 3 will roll on the guide rail 7 to one end, and the linkage steel cable assembly 6 will drive the left hanging plate wheel assembly 2 to the other end. At the same time, the plug assembly on the left hanging plate wheel assembly 2 will disconnect from the switch assembly 8 mounted on the base plate assembly 1. The fixed bracket on the left hanging plate wheel assembly 2 will drive the counterweight assembly 11 to move upward and the counterweight steel cable wheel assembly 12 to rotate. When the left and right hanging wheel assemblies 2 and 3 reach a certain position, the elevator hall door opens fully. When someone inside the car presses the close button or no one outside presses the call button within a certain time, the elevator door knife closes, the force acting on the door ball of the door lock assembly 4 disappears, and the lock hook on the door lock assembly 4 lifts. At the same time, the weight of the counterweight assembly 11 moves downward and is transmitted to the fixed bracket of the left hanging wheel assembly 2, thereby driving the left hanging wheel assembly 2 to move inward on the guide rail 7, and the right hanging wheel assembly 3 to move inward through the linkage wire rope assembly 6. When the contact assembly on the left hanging wheel assembly 2 is fully connected to the switch assembly 8 on the base plate assembly 1, the limit device on the base plate assembly stops, and the left and right hanging wheel assemblies 2 and 3 stop moving. At the same time, the plug assembly on the door lock assembly 4 is also fully in contact with the auxiliary contact assembly 9, the circuit is fully connected, and the elevator car moves up and down after receiving the command. When the elevator malfunctions and the door cannot be opened normally, the emergency lock hook unlocking assembly 10 is used from the outside to open the elevator hall door sill device. The elevator door lock hook device ensures that the elevator door remains closed and mechanically locked during operation, preventing accidental opening. This is the core function of the door lock device, achieved through the lock hook mechanical components, ensuring that the door cannot be opened during elevator operation. When the door is not fully locked, the door lock device will prevent the elevator from running by disconnecting the control circuit, which is part of the safety interlocking mechanism. This function ensures that the elevator will not start when the door is not tightly closed, avoiding accidents caused by passengers accidentally pressing the door opening button or system malfunctions during operation. When someone outside the elevator presses the call button, the elevator car will move to the corresponding floor and the elevator door knife will open. The elevator door knife arm clamps the fixed door ball assembly 33 and the moving door ball assembly 42 on the lock hook device respectively. The moving door ball assembly 42 drives the lock hook 32 to rotate, and the lock hook 32 is raised. When the lock hook 32 contacts the limiting rubber 34 on one end of the base plate frame assembly 31, it stops rotating.The plug assembly 35 on the locking hook is completely disengaged from the secondary contact mounted on the door head base plate, and simultaneously the secondary locking hook 36 is completely disengaged from the emergency locking hook unlocking assembly mounted on the door head base plate. The bracket and the secondary locking hook 36 are disengaged from the ramp, and the elevator control circuit is completely disconnected. The elevator door slowly opens under the action of the wire rope. After the elevator door closes, the elevator door knife closes, and the locking hook 32 returns to a horizontal state under the weight of the counterweight assembly 38. The contact assembly 35 is fully in contact with the secondary contact assembly mounted on the door head base plate, and simultaneously the secondary locking hook 36 is fully hooked with the emergency unlocking device mounted on the door head base plate. The elevator control circuit is activated, and the elevator car can move up and down.

[0017] It should be understood that the above description is only a preferred embodiment of the present utility model and is not sufficient to limit the technical solution of the present utility model. For those skilled in the art, within the spirit and principles of the present utility model, additions, subtractions, substitutions, transformations or improvements can be made based on the above description, and all such additions, subtractions, substitutions or improvements should fall within the protection scope of the appended claims of the present utility model.

Claims

1. A door lock structure for an elevator hallway door sill device, comprising a base plate frame assembly (31) and a lock hook (32), characterized in that: The base plate frame assembly (31) is provided with a fixed ball assembly (33) on the front side, and a movable ball assembly (42) is provided on the lock hook (32). The bottom right side of the auxiliary contact assembly (9) is provided with a vertical insert (26), which is inserted into the socket (27). The bottom of the auxiliary contact assembly (9) is provided with an auxiliary contact, and the right side of the left hanging plate wheel assembly (2) is provided with a contact element (28) for cooperating with the switch assembly (8).

2. The door lock structure for the elevator hallway sill device according to claim 1, characterized in that: The top of the base plate frame assembly (31) is provided with a mounting frame (22), the middle of the mounting frame (22) is provided with a mounting cylinder (23), the inner left side of the locking hook (32) is provided with a secondary locking hook (36), the front two sides of the mounting frame (22) are provided with a left mounting block and a right mounting block, the left mounting block is fixed to the ball assembly (33) by an eccentric fixing pin (41), the lower front side of the locking hook (32) is fixed to the moving ball assembly (42) by a roller fixing pin (40), the moving ball assembly (42) is located on the left side of the right mounting block, the bottom right side of the locking hook (32) is provided with a counterweight assembly (38), the limiting rubber (34) is provided on both sides of the mounting cylinder (23), the left end of the locking hook (32) is provided with a downward-facing mounting position, the mounting position is provided with a contact assembly (35), the bottom left side of the locking hook (32) is arc-shaped and has a downward curve.

3. The door lock structure for the elevator hallway sill device according to claim 2, characterized in that: The secondary locking hook (36) is riveted to the locking hook (32) with rivets; the contact assembly (35) is fixed to the locking hook (32) with bolts; the roller fixing pin (40) is fixed to the locking hook (32) with a nut; the eccentric fixing pin (41) is fixed to the base plate frame assembly (31) with a nut; and the secondary locking hook (36) is provided with a ramp.

4. The door lock structure for the elevator hallway sill device according to claim 1, characterized in that: The base plate frame assembly (31) and the locking hook (32) are riveted together in a hydraulic device by a connecting pin (37). The connecting pin (37) passes through the mounting ring (25) of the locking hook (32) and the self-lubricating bearing (39) for fixation. The self-lubricating bearing (39) is pressed into the mounting cylinder (23) by the hydraulic device.

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