CN215565066U

CN215565066U - Built-in door lock structure of elevator car

Info

Publication number: CN215565066U
Application number: CN202122007000.2U
Authority: CN
Inventors: 蔡清财; 李思雄; 张扬文; 黄虹晖
Original assignee: Fujian Fuji Sino Elevators Co ltd
Current assignee: Fujian Fuji Sino Elevators Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-01-18
Anticipated expiration: 2031-08-24

Abstract

The application relates to a built-in door lock structure of an elevator car, which is applied to an escape door of the elevator car and comprises a lock shell, a lock shaft rotationally connected with the lock shell and a lock tongue fixed on the periphery of the lock shaft; a through hole for the bolt to pass through is formed in the side wall of the lock shell in a penetrating manner; the lock shaft is provided with an end part for inserting a key; the lock shell is provided with a turnover piece for turning over the lock tongue so that part of the lock tongue is hidden in the lock shell or moved out of the lock shell through the through hole; the turnover piece comprises a linkage part positioned in the lock shell and a driving part positioned outside the lock shell; the linkage part is connected with the lock tongue; the driving part is connected with the linkage part; the driving part is movably connected with the lock shell. When rescue personnel rescue the passenger who is stranded in elevator car, need not additionally to carry the key, only need remove the drive division, alright upset spring bolt outside elevator car opens the emergency exits, compares in the mode of using the key unblock outside elevator car, shortens rescue personnel's rescue time of stranded personnel.

Description

Built-in door lock structure of elevator car

Technical Field

The application relates to the field of elevators, in particular to a built-in door lock structure of an elevator car.

Background

Generally, a car of an elevator is provided with an escape door so that a rescue worker rescues passengers trapped in the elevator car between two floors through the escape door. When the elevator normally runs, the escape door is locked with the elevator car through the door lock, so that the escape door is in a normally closed state. The door lock is provided with two lock holes, when rescue workers need to rescue trapped people, the rescue workers use the key to insert the door lock into the lock hole positioned outside the elevator car, the locking state of the door lock and the elevator car is unlocked, the escape door is opened, and the trapped people are rescued. In daily maintenance, a maintainer inserts a key into a lock hole of a door lock in an elevator car, opens the escape door and enters the elevator shaft to maintain equipment.

According to the related technology, the inventor thinks that although the door lock is located in the keyhole of the elevator car, the problem that the escape door is opened by the passengers in the elevator car by accident can be solved, when the rescue workers rescue trapped people, the rescue workers still need to find the position of the key and the keyhole to unlock the door lock, and the time for the rescue workers to rescue the trapped people is prolonged.

SUMMERY OF THE UTILITY MODEL

In order to shorten the time that rescue personnel rescued trapped person, this application provides a built-in lock structure of elevator car.

The application provides a built-in lock structure of elevator car adopts following technical scheme:

a built-in door lock structure of an elevator car comprises a lock shell, a lock shaft rotationally connected with the lock shell and a lock tongue fixed on the periphery of the lock shaft; a through hole for the bolt to pass through is formed in the side wall of the lock shell in a penetrating manner; the lock shaft is provided with an end part for inserting a key; the lock shell is provided with a turnover piece for turning over the lock tongue so that part of the lock tongue is hidden in the lock shell or moved out of the lock shell through the through hole; the turnover piece comprises a linkage part positioned in the lock shell and a driving part positioned outside the lock shell; the linkage part is connected with the lock tongue; the driving part is connected with the linkage part; the driving part is movably connected with the lock shell.

Through adopting above-mentioned technical scheme, during this lock structure of installation, can install the lock shell in elevator car's escape door, also can install the lock shell in elevator car's outer wall, no matter which kind of mounting means, the tip that the lock axle supplied the key to peg graft all is located elevator car to improve the problem that the escape door was opened to the passenger accident in the elevator car, and the upset is located outside elevator car. The lock tongue rotates, when the lock tongue moves out of the lock shell, the escape door is locked with the elevator car, and when the lock tongue is hidden in the lock shell, the locked state of the escape door and the elevator car is released, so that the escape door can be opened. When rescue personnel rescue the passenger who is stranded in elevator car, need not additionally to carry the key, only need remove the drive division, alright upset spring bolt outside elevator car opens the emergency exits, compares in the mode of using the key unblock outside elevator car, shortens rescue personnel's rescue time of stranded personnel.

Optionally, the lock case is provided with an elastic element, and the elastic element forces a part of the bolt to be exposed outside the lock case.

Through adopting above-mentioned technical scheme, at the in-process of elevator operation, the risk that the shake that reduces elevator car made the spring bolt hide in the lock shell is reduced to the introduction of elastic component to reduce the unexpected risk of opening of emergency exits in the elevator operation process, improve the connection stability of emergency exits and elevator car in the elevator operation process.

Optionally, the moving path of the driving part extends along a straight line; the linkage part converts the force in the linear direction of the driving part into torque of the lock tongue turning over in the circumferential direction of the axis of the lock shaft.

Through adopting above-mentioned technical scheme, the rescue worker removes drive division, makes drive division be linear motion, and the in-process that linear motion was done at the drive division, linkage portion converts the moment of torsion that the spring bolt overturned into with the drive division power of being linear motion. The bolt is driven to overturn in a linear motion mode through the driving part, so that the range of operation and overturning parts of rescue workers is small, the door lock structure can be installed in a narrow or wide elevator shaft by installation workers, and the adaptability of the door lock structure to different installation environments is improved.

Optionally, the linkage part comprises a first pulling plate and a limiting shaft; the side wall of the first pulling plate is provided with a moving groove, and the length extending direction of the moving groove is intersected with the linear moving direction of the driving part; the limiting shaft is arranged on the surface of the lock tongue; the circumferential side of the limiting shaft is provided with arc transition; the inner wall of shifting chute supplies the week side of spacing axle slides and connects, and the direction of sliding does the length direction of shifting chute.

Through adopting above-mentioned technical scheme, the rescue worker passes through the first arm-tie of drive division pulling, make first arm-tie linear movement, along with the removal of first arm-tie, spacing axle uses the axle center of lock axle as rotation center circumferential direction, the circumferential direction of spacing axle and the linear movement of first arm-tie, make the position of spacing axle in the shifting chute change, slide through spacing axle week side and shifting chute inner wall and be connected, the direction of sliding is the length direction of shifting chute, the week side circular arc transition of spacing axle, spacing axle is at the shifting chute internal rotation, make spacing axle can be at the space internalization of shifting chute. Through the cooperation setting of shifting chute and spacing axle for when rescue workers stimulate first arm-tie, can be directly transmit the power of the first arm-tie of pulling to the spring bolt through spacing axle, improve the problem that spring bolt upset in-process frictional resistance hinders the spring bolt upset.

Optionally, the linkage part comprises a rack and a gear; the rack extends along the linear moving direction of the driving part; the gear is coaxially arranged on the periphery of the lock shaft; the gear is engaged with the rack.

Through adopting above-mentioned technical scheme, the rectilinear movement of rack for the effect of just reversing is realized with rack toothing's gear, thereby realize that the spring bolt shifts out or the effect of immigration lock shell, through the intermeshing setting of rack and gear, only remove the rack and just can rotate gear upset spring bolt, reduce elevator operation in-process gear self-rotation's risk, thereby reduce the risk that the emergency exits opened among the elevator operation process, improve the connection stability of emergency exits and elevator car at the elevator operation in-process.

Optionally, the linkage part is fixedly connected with the surface of the lock tongue.

Through adopting above-mentioned technical scheme, improve the stability of being connected of linkage portion and spring bolt to improve the stability of being connected of upset piece and spring bolt in the operation process.

Optionally, the linkage part comprises a rotary cylinder; the end part of the rotating cylinder is fixedly connected to the surface of the lock tongue; the rotating cylinder is coaxially arranged on the periphery of the lock shaft.

Through adopting above-mentioned technical scheme, rotate a section of thick bamboo through the drive division for the lock axle rotates, and then drives the spring bolt upset, and the rotation direction of rotating a section of thick bamboo is the upset direction of spring bolt promptly, and the structure of linkage portion is simplified in the design of a rotation section of thick bamboo, and mechanical structure's reduction improves the life of linkage portion, and the linkage portion's of being convenient for earlier stage is made and is installed simultaneously.

Optionally, the linkage portion includes a movable rod; the end part of the movable rod is fixedly connected to the surface of the lock tongue; the axis of the movable rod and the axis of the lock shaft are eccentrically arranged.

Through adopting above-mentioned technical scheme, remove the movable rod through the axle center of drive division with the lock axle, realize the effect of spring bolt upset, the structure of linkage portion is simplified in the setting of movable rod, and mechanical structure's reduction improves the life of linkage portion, and the linkage portion of being convenient for makes in earlier stage and installs simultaneously.

In summary, the present application includes at least one of the following beneficial technical effects:

when rescue workers rescue passengers trapped in the elevator car, the driving part is only required to be moved without additionally carrying a key, the lock tongue can be turned over outside the elevator car, and the escape door is opened, so that the time for the rescue workers to rescue the trapped passengers is shortened compared with a mode of unlocking by using a key outside the elevator car;

the lock tongue is driven to overturn in a linear motion mode of the driving part, so that the range of operation of the overturning part by rescue workers is small, and the door lock structure can be installed in a narrow or wide elevator shaft by an installer, so that the adaptability of the door lock structure to different installation environments is improved;

through the fixed surface connection of linkage portion and spring bolt, improve the stability of being connected of linkage portion and spring bolt to improve the stability of being connected of upset piece and spring bolt in the operation process.

Drawings

Fig. 1 is a schematic view of the entire structure of embodiment 1.

Fig. 2 is an exploded view of the entire structure of example 1.

FIG. 3 is a schematic view of the entire structure of embodiment 2.

FIG. 4 is a schematic view of the entire structure of embodiment 3.

Fig. 5 is a schematic structural view for showing the linkage portion and the driving portion of embodiment 3.

FIG. 6 is a schematic view of the entire structure of embodiment 4.

Description of reference numerals: 1. a lock case; 11. a through hole; 12. a first mounting hole; 13. avoiding holes; 14. a third mounting hole; 15. a limiting hole; 16. rotating the hole; 17. an arc-shaped hole; 2. a lock shaft; 3. a latch bolt; 31. a lock hole; 32. a fourth mounting hole; 4. an elastic member; 5. a linkage section; 51. a first pulling plate; 511. moving the hole; 512. a second mounting hole; 513. a moving groove; 52. a limiting shaft; 53. a second pulling plate; 54. a rack; 55. a gear; 56. a rotating cylinder; 57. a movable rod; 6. a drive section.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses built-in lock structure of elevator car is applied to elevator car's emergency exits.

Referring to fig. 1, a door lock structure built in an elevator car comprises a lock case 1 of a split structure, a lock shaft 2 rotatably connected to the lock case 1, and a bolt 3 fixed on the peripheral side of the lock shaft 2, wherein the lock case 1 can be bolted to the outer wall of the elevator car or bolted to the surface of an escape door. The side wall of the lock shell 1 is provided with a through hole 11 for the bolt 3 to pass through, and the lock shell 1 is provided with a turnover part for turning over the bolt 3, so that part of the bolt 3 is hidden in the lock shell 1 or moved out of the lock shell 1 through the through hole 11. When the spring bolt 3 shifts out outside the lock shell 1, the spring bolt 3 is connected escape door and elevator car, makes escape door lock close in elevator car, and when the spring bolt 3 was hidden in the lock shell 1, escape door alright opened, supplies the personnel to pass through.

Referring to fig. 2, the lock case 1 is provided with an elastic member 4, the elastic member 4 may be an extension spring or an elastic rope, and the elastic member 4 forces a portion of the latch 3 to be exposed out of the lock case 1, so as to reduce the risk of the latch 3 turning over during the operation of the elevator. The lock shaft 2 is provided with the tip that is used for supplying the key to peg graft, and the tip of lock shaft 2 sets up to prismatic, and is corresponding, and the key is formed with the slot that supplies prismatic grafting. The bolt 3 is the metal sheet that metal material made, and the surface of bolt 3 runs through to be seted up lockhole 31, and lockhole 31 supplies lock axle 2 to pass, and the week side of lock axle 2 and the surface weld fixation of bolt 3.

Referring to fig. 2, the turnover part comprises a linkage part 5 located in the lock case 1 and a driving part 6 located outside the lock case 1, the linkage part 5 is connected with the bolt 3, the driving part 6 is connected with the linkage part 5, and the driving part 6 is movably connected with the lock case 1. When installing this lock structure, install the tip that 2 confession keys of lock shaft were pegged graft in elevator car, install the drive division 6 outside elevator car, borrow this design, improve the problem that the emergency exits was opened to the passenger accident in the elevator car, when rescue personnel is stranded the passenger in elevator car in rescue simultaneously, need not the key, through activity drive division 6, can be through 5 upset spring bolts 3 of linkage portion, open the emergency exits, shorten rescue personnel trapped personnel's time.

Example 1:

referring to fig. 2, the moving path of the driving portion 6 extends along the extending direction of the elastic member 4, the linkage portion 5 converts the force in the linear direction of the driving portion 6 into the torque of the latch bolt 3 turning around the axis of the lock shaft 2, specifically, the linkage portion 5 includes a first pulling plate 51 and a limiting shaft 52, the first pulling plate 51 is made of a metal material, a moving hole 511 is formed in the surface of the first pulling plate 51 in a penetrating manner, the moving hole 511 is a waist-shaped hole, the moving hole 511 extends along the extending direction of the elastic member 4, and the moving hole 511 is used for the lock shaft 2 to pass through. First mounting hole 12 has been seted up on the surface that runs through of lock shell 1, and the surface of first arm-tie 51 runs through and has been seted up second mounting hole 512, and the axle center of first mounting hole 12, the axle center of second mounting hole 512 and the axle center of removal hole 511 are on same straight line, and elastic component 4 is extension spring, and the surface of lock shell 1 runs through and sets up the hole of dodging 13 that supplies extension spring week side to pass through, and extension spring's one end articulates in first mounting hole 12, and the other end articulates in second mounting hole 512.

Referring to fig. 2, a moving groove 513 is formed in a side wall of the first pulling plate 51, and a length extending direction of the moving groove 513 is perpendicular to a length extending direction of the moving hole 511. The limiting shaft 52 is in threaded connection with the surface of the bolt 3, the axis of the limiting shaft 52 and the axis of the lock shaft 2 are eccentrically arranged, and the circumferential side of the limiting shaft 52 is provided with arc transition. The inner wall of the moving groove 513 is slidably connected to the peripheral side of the stopper shaft 52, and the sliding direction is the longitudinal direction of the moving groove 513. The first pulling plate 51 extends out of the lock case 1 along the extension direction of the extension spring, and the part of the first pulling plate 51 extending out of the lock case 1 is the driving part 6.

The implementation principle of the embodiment 1 is as follows: the holding driving part 6 pulls the first pulling plate 51, the elastic part 4 extends, along with the movement of the first pulling plate 51, the limiting shaft 52 circumferentially moves by taking the axis of the lock shaft 2 as a rotation center, the circumferential movement of the limiting shaft 52 and the linear movement of the first pulling plate 51 cause the position of the limiting shaft 52 in the moving groove 513 to change, the circumferential side of the limiting shaft 52 is connected with the inner wall of the moving groove 513 through sliding, the sliding direction is the length direction of the moving groove 513, the circumferential side of the limiting shaft 52 is in circular arc transition, the limiting shaft 52 rotates in the moving groove 513, the limiting shaft 52 can move in the space of the moving groove 513, and the effect that the movable driving part 6 turns over the lock tongue 3 is realized.

Example 2:

referring to fig. 2 and 3, the present embodiment is different from embodiment 1 in that the linkage portion 5 includes a second pulling plate 53, a rack 54 and a gear 55, and the second pulling plate 53 and the first pulling plate 51 have the same structure and material except for a moving groove 513 on a side wall of the first pulling plate 51. The rack 54 is welded to the inner wall of the moving hole 511, and the rack 54 extends in the longitudinal direction of the moving hole 511. The gear 55 is coaxially welded to the peripheral side of the lock shaft 2, and the gear 55 is engaged with the rack 54.

The implementation principle of the embodiment 2 is as follows: the linear motion of rack 54 for the effect of just reversing is realized with rack 54 meshed gear 55, thereby realize the effect that spring bolt 3 shifts out or shifts into the lock shell 1, through the intermeshing setting of rack 54 and gear 55, only remove rack 54 and can rotate gear 55 upset spring bolt 3, reduce the risk of elevator operation in-process gear 55 self-rotation, thereby reduce the risk that the emergency exits opened in the elevator operation in-process, improve the connection stability of emergency exits and elevator car in the elevator operation.

Example 3:

referring to fig. 4 and 5, the linkage portion 5 is fixedly connected to a surface of the latch bolt 3, specifically, the linkage portion 5 includes a rotary cylinder 56, an end of the rotary cylinder 56 is welded to the surface of the latch bolt 3, and the rotary cylinder 56 is coaxially sleeved on a peripheral side of the lock shaft 2. The surface of the lock shell 1 is penetrated and provided with a third mounting hole 14, the surface of the bolt 3 is penetrated and provided with a fourth mounting hole 32, the elastic element 4 is a spring, one end of the elastic element 4 is hung and connected with the third mounting hole 14, the other end is hung and connected with the fourth mounting hole 32, and the surface of the lock shell 1 is penetrated and provided with a limiting hole 15 for the spring to pass through in the peripheral side.

Referring to fig. 4 and 5, a rotation hole 16 for the rotation of the rotation cylinder 56 to pass through is formed in the surface of the lock case 1, the rotation cylinder 56 axially extends out of the rotation hole 16, and the portion of the rotation cylinder 56 located outside the lock case 1 is the driving portion 6, i.e., the linkage portion 5 and the driving portion 6 are integrally arranged. The rotation cylinder 56 is rotated to turn the latch bolt 3 around the axis of the lock shaft 2.

Example 4:

referring to fig. 4 and 6, the present embodiment is different from embodiment 3 in that the linkage portion 5 includes a movable rod 57, the movable rod 57 is vertically disposed on the surface of the latch bolt 3, and an end of the movable rod 57 is welded to the surface of the latch bolt 3. The axle center of movable rod 57 and the eccentric setting of the axle center of lock axle 2, the surface of lock shell 1 runs through and sets up the arc hole 17 that supplies movable rod 57 to slide and wear to establish, and arc hole 17 sets up with the axle center circumference extension of lock axle 2, and the week side of movable rod 57 slides and connects in the inner wall of arc hole 17. The driving part 6 is a part of the movable rod 57 extending out of the lock case 1 through the arc-shaped hole 17, i.e. the driving part 6 and the linkage part 5 are integrally arranged. The driving part 6 is held, the movable rod 57 is moved along the length direction of the arc-shaped hole 17, the bolt 3 can be turned, and partial bolt 3 is hidden in the lock shell 1 or moved out of the lock shell 1 through the through hole 11.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a built-in lock structure of elevator car, is applied to elevator car's emergency exits, its characterized in that: the lock comprises a lock shell (1), a lock shaft (2) rotationally connected to the lock shell (1) and a bolt (3) fixed on the peripheral side of the lock shaft (2); a through hole (11) for the bolt (3) to pass through is formed in the side wall of the lock shell (1); the lock shaft (2) is provided with an end part for inserting a key; the lock shell (1) is provided with a turnover piece for turning over the bolt (3) so that part of the bolt (3) is hidden in the lock shell (1) or moved out of the lock shell (1) through the through hole (11); the turnover piece comprises a linkage part (5) positioned in the lock shell (1) and a driving part (6) positioned outside the lock shell (1); the linkage part (5) is connected with the lock tongue (3); the driving part (6) is connected with the linkage part (5); the driving part (6) is movably connected with the lock shell (1).

2. The built-in door lock structure of an elevator car according to claim 1, wherein: the lock shell (1) is provided with an elastic piece (4), and the elastic piece (4) forces part of the bolt (3) to be exposed out of the lock shell (1).

3. The door lock structure built in an elevator car according to claim 1 or 2, characterized in that: the moving path of the driving part (6) extends along the linear direction; the linkage part (5) converts the force in the linear direction of the driving part (6) into the torque of the lock tongue (3) turning over in the circumferential direction of the axis of the lock shaft (2).

4. The built-in door lock structure of an elevator car according to claim 3, wherein: the linkage part (5) comprises a first pulling plate (51) and a limiting shaft (52); a moving groove (513) is formed in the side wall of the first pulling plate (51), and the length extending direction of the moving groove (513) is intersected with the linear moving direction of the driving part (6); the limiting shaft (52) is arranged on the surface of the lock bolt (3); the circumferential side of the limiting shaft (52) is provided with arc transition; the inner wall of the moving groove (513) is used for the sliding connection of the peripheral side of the limiting shaft (52), and the sliding direction is the length direction of the moving groove (513).

5. The built-in door lock structure of an elevator car according to claim 3, wherein: the linkage part (5) comprises a rack (54) and a gear (55); the rack (54) extends along the linear moving direction of the driving part (6); the gear (55) is coaxially arranged on the peripheral side of the lock shaft (2); the gear (55) is engaged with the rack (54).

6. The door lock structure built in an elevator car according to claim 1 or 2, characterized in that: the linkage part (5) is fixedly connected with the surface of the lock tongue (3).

7. The built-in door lock structure of an elevator car according to claim 6, wherein: the linkage part (5) comprises a rotating cylinder (56); the end part of the rotating cylinder (56) is fixedly connected to the surface of the lock tongue (3); the rotating cylinder (56) is coaxially arranged on the periphery side of the lock shaft (2).

8. The built-in door lock structure of an elevator car according to claim 6, wherein: the linkage part (5) comprises a movable rod (57); the end part of the movable rod (57) is fixedly connected to the surface of the lock tongue (3); the axis of the movable rod (57) and the axis of the lock shaft (2) are eccentrically arranged.