CN213141093U

CN213141093U - Car roof safety window direct-insertion type unlocking device

Info

Publication number: CN213141093U
Application number: CN202021633941.6U
Authority: CN
Inventors: 李斌; 陆跃俭; 杨晨曦; 马超; 李萌萌; 许旭晨; 郑学励; 谢文美; 包建波
Original assignee: Jiangsu Stade Elevator Co ltd
Current assignee: Jiangsu Stade Elevator Co ltd
Priority date: 2020-08-08
Filing date: 2020-08-08
Publication date: 2021-05-07
Anticipated expiration: 2030-08-08

Abstract

The invention relates to the technical field of elevator safety windows and discloses a car roof safety window direct-insertion type unlocking device which comprises a car, wherein a safety window is arranged at the top of the car, a slide way is arranged inside the safety window, an electric switch is fixedly connected to the left side of the slide way, a spring is fixedly connected to the right side of the slide way, a sliding rod is arranged inside the slide way, a second connecting hole is formed in the top of the sliding rod, and a second bolt is arranged inside the second connecting hole. This sedan-chair top safety window cut straightly formula unlocking means, when the triangular lock rotates right, the dwang drives the slide bar and slides right, and the left end of slide bar leaves the electric switch, through the linkage of triangular lock and electric switch, accomplishes auto-power-off when unblanking, avoids opening safety window when elevator circuit has not yet broken off and causes unexpected bodily injury, has effectively avoided possible potential safety hazard, has improved the security of elevator.

Description

Car roof safety window direct-insertion type unlocking device

Technical Field

The invention relates to the technical field of elevator safety windows, in particular to a car roof safety window direct-insertion type unlocking device.

Background

Along with the building height is higher and higher, and the fire protection requirement on the building is also higher and higher, the market demand of fire elevator is also more and more. According to the standard requirements of the fire elevator, the lift car needs to have the function of external rescue of firefighters. Therefore, an emergency rescue fire safety window must be reserved on the car roof of the fire elevator, and in case of failure of a door opening mechanism of the elevator, people can escape from the emergency safety window under the rescue of elevator firefighters. However, the car top safety window of the existing product is usually not linked with the electric safety switch by the triangular lock, and the disadvantages of the product are as follows: the triangular lock is not linked with the electrical safety switch, when the mechanical triangular lock is opened, the electrical switch is not disconnected, personal injury is easily caused, when the electrical switch is closed, the mechanical triangular lock cannot be ensured to be locked, and machine equipment is easily damaged.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the car roof safety window direct-insertion type unlocking device which has the advantages that the power is automatically cut off when the safety window is opened, the car roof is automatically powered on when the safety window is reset, the safety performance of an elevator is improved, the rescue efficiency of rescuers is improved, and the like, and the problem that a triangular lock of the car roof safety window is not linked with an electric safety switch is solved.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a sedan-chair top safety window cut straightly formula unlocking means, includes the car, the top of car is provided with safety window, safety window's inside is provided with the slide, the left side fixedly connected with electric switch of slide, the right side fixedly connected with spring of slide, the inside of slide is provided with the slide bar, the top of slide bar is equipped with the second connecting hole, the inside second bolt that is provided with of second connecting hole, the surface of second bolt is provided with the dwang, the bottom fixedly connected with triangulation chain of dwang, the right side of triangulation chain is provided with rotates connecting device.

Preferably, the rotating connection device comprises a connection block, a triangular lock is fixedly connected to the left side of the connection block, a connection rod is fixedly connected to the surface of the connection block, a first connection hole is formed in the top of the connection rod, a first bolt is connected to the inner thread of the first connection hole, a rotating block is connected to the surface thread of the first bolt, a telescopic block is arranged at the bottom of the sliding rod, and the telescopic block is movably connected with the sliding rod.

Preferably, the surface of slide bar and the inner wall sliding connection of slide, the second connecting hole runs through the top of slide bar and extends to the inside of slide bar, second bolt and second connecting hole threaded connection, the top of dwang is equipped with the second connecting hole equally.

Preferably, the second connecting hole runs through the bottom of dwang and extends to the top of dwang, slide bar and dwang are connected through second connecting hole and second bolt rotation, the inside threaded connection of the surface of second bolt and dwang.

Preferably, the connecting block is rotatably connected with the inside of the safety window, the first connecting hole also penetrates through the top of the connecting rod and extends to the inside of the connecting rod, the top of the rotating block is also provided with the first connecting hole, and the first connecting hole also penetrates through the top of the rotating block and extends to the bottom of the rotating block.

Preferably, the inner wall of the car is provided with a groove matched with the bottom of the rotating block in shape, and the connecting rod and the rotating block are rotatably connected with the first bolt through the first connecting hole.

(III) advantageous effects

Compared with the prior art, the invention provides a car roof safety window direct-insertion type unlocking device, which has the following beneficial effects:

1. this sedan-chair top safety window cut-in formula unlocking means, when the right corner lock that rotates, the dwang drives the slide bar and slides right, the left end of slide bar leaves the electric switch, cut off the power supply to the car, when the breach of slide bottom is removed to the slide bar, flexible piece pops out from the slide bar is inside, the triangle lock is in the pivoted right, the connecting block clockwise rotation, drive connecting rod upward movement, the turning block rotates under the upward movement of connecting rod, when the turning block bottom breaks away from the recess on the inner wall, the safety window is opened, through the linkage of triangle lock and electric switch, accomplish auto-power-off when unblanking, it causes unexpected bodily injury to avoid opening the safety window when elevator circuit still does not break off, possible potential safety hazard has effectively been avoided, the security of elevator has been improved.

2. This sedan-chair top safety window cut straightly formula unlocking means, the reverse rotation triangular lock, simultaneously under the elasticity of spring flexible piece indentation slide in, the safety window is accomplished and is restoreed, when accomplishing the safety window and reset with the electric switch linkage, avoids needing to go alone again to open the problem of circuit, has promoted the security performance of elevator, has improved rescue personnel's rescue efficiency greatly.

Drawings

FIG. 1 is a schematic structural view of a car roof safety window direct-insertion type unlocking device of the present invention;

FIG. 2 is a schematic top view of FIG. 1 taken at point A;

FIG. 3 is an enlarged view of the structure of FIG. 2 at B.

In the figure: 1 car, 2 safety windows, 3 slides, 4 electric switches, 5 reset springs, 6 sliding rods, 7 rotating rods, 8 triangular locks, 9 connecting blocks, 10 connecting rods, 11 first connecting holes, 12 first bolts, 13 telescopic blocks, 14 second connecting holes, 15 second bolts and 16 rotating blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the invention provides a car roof safety window direct-insertion type unlocking device, which comprises a car 1, wherein a safety window 2 is arranged at the top of the car 1, the safety window 2 is movably connected with the car 1 through a hinge, the safety window 2 is hollow, a slide way 3 is arranged inside the safety window 2, a notch is arranged at the bottom of the slide way 3, an electric switch 4 is fixedly connected to the left side of the slide way 3, a return spring 5 is fixedly connected to the right side of the slide way 3, a sliding rod 6 is arranged inside the slide way 3, the surface of the sliding rod 6 is in sliding connection with the inner wall of the slide way 3, a second connecting hole 14 is arranged at the top of the sliding rod 6, the second connecting hole 14 penetrates through the top of the sliding rod 6 and extends to the inside of the sliding rod 6, a second bolt 15 is arranged inside the second connecting hole 14, the second bolt 15 is in threaded connection with the second connecting hole, the top of the rotating rod 7 is also provided with a second connecting hole 14, the second connecting hole 14 penetrates through the bottom of the rotating rod 7 and extends to the top of the rotating rod 7, the sliding rod 6 and the rotating rod 7 are rotatably connected with a second bolt 15 through the second connecting hole 14, the surface of the second bolt 15 is in threaded connection with the inside of the rotating rod 7, the bottom of the rotating rod 7 is fixedly connected with a triangular lock 8, the triangular lock 8 is triangular, the right side of the triangular lock 8 is fixedly connected with a connecting block 9, the connecting block 9 is rotatably connected with the inside of the safety window 2, the surface of the connecting block 9 is fixedly connected with a connecting rod, the top of the connecting rod is provided with a first connecting hole 11, the first connecting hole 11 also penetrates through the top of the connecting rod and extends to the inside of the connecting rod, the inside of the first connecting hole 11 is connected with a first bolt 12, the surface of the first bolt 12 is in, the first connecting hole 11 also penetrates through the top of the rotating block 16 and extends to the bottom of the rotating block 16, a groove matched with the bottom of the rotating block 16 in shape is arranged on the inner wall of the car 1, the connecting rod and the rotating block 16 are rotatably connected with the first bolt 12 through the first connecting hole 11, the bottom of the sliding rod 6 is provided with an expansion block 13, the expansion block 13 is movably connected with the sliding rod 6, the expansion block 13 can expand and contract inside the sliding rod 6, when the triangular lock 8 is rotated rightwards, the rotating rod 7 drives the sliding rod 6 to slide rightwards, the left end of the sliding rod 6 leaves the electric switch 4 to cut off the power of the car 1, the sliding rod 6 continues to move rightwards, when the sliding rod 6 moves to a notch at the bottom of the slideway 3, the expansion block 13 pops out from the inside of the sliding rod 6, when no excessive external force is applied, the sliding rod 6 can be positioned at the notch, the triangular lock, the connecting block 9 rotates clockwise to drive the connecting rod to move upwards, the rotating block 16 rotates under the upward movement of the connecting rod, when the bottom of the rotating block 16 is separated from a groove on the inner wall of the car 1, the safety window 2 is opened, automatic power failure is realized during unlocking through linkage of the triangular lock and the electric switch, accidental personal injury is avoided, possible potential safety hazards are effectively avoided, the safety of the elevator is improved, at the moment, the right side of the sliding rod 6 slides to the left side of the reset spring 5, the reset spring 5 can provide elastic force for the sliding rod 6 when the sliding rod 6 is reset, difficulty in resetting of the triangular lock 8 is avoided, after work is finished, the triangular lock 8 rotates reversely, meanwhile, the telescopic block 13 retracts into the slide rail 3 under the elastic force of the reset spring 5, the safety window 2 finishes resetting, and is linked with the electric switch when the safety window is reset, the problem that the circuit needs to be opened independently is avoided, the safety performance of the elevator is improved, and the rescue efficiency of rescuers is greatly improved.

The working principle is as follows:

when the triangular lock 8 is rotated rightwards, the rotating rod 7 drives the sliding rod 6 to slide rightwards, the left end of the sliding rod 6 leaves the electric switch 4 to cut off the power of the car 1, the sliding rod 6 continues to move rightwards, when the sliding rod 6 moves to a notch at the bottom of the slide way 3, the telescopic block 13 pops out of the inside of the sliding rod 6, when no excessive external force is applied, the sliding rod 6 can be positioned at the notch of the slide way, the triangular lock 8 rotates rightwards, the connecting block 9 rotates clockwise to drive the connecting rod to move upwards, the rotating block 16 rotates under the upward movement of the connecting rod, when the bottom of the rotating block 16 is separated from a groove on the inner wall of the car 1, the safety window 2 is opened, at the moment, the right side of the sliding rod 6 slides to the left side of the reset spring 5, the reset spring 5 can provide some elastic force for the sliding rod 6 when the sliding rod 6 is reset, after the work is finished, the triangular lock 8 is rotated reversely, and meanwhile, the telescopic block 13 retracts into the slideway 3 under the elastic force of the return spring 5, so that the safety window 2 is reset.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sedan-chair top safety window cut straightly formula unlocking device, includes car (1), its characterized in that: the top of car (1) is provided with safety window (2), the inside of safety window (2) is provided with slide (3), the left side fixedly connected with electric switch (4) of slide (3), the right side fixedly connected with reset spring (5) of slide (3), the inside of slide (3) is provided with slide bar (6), the top of slide bar (6) is equipped with second connecting hole (14), second connecting hole (14) inside is provided with second bolt (15), the surface of second bolt (15) is provided with dwang (7), the bottom fixedly connected with triangulation chain (8) of dwang (7), the right side of triangulation chain (8) is provided with rotates connecting device.

2. The car roof safety window direct-insertion type unlocking device according to claim 1, characterized in that: rotate connecting device and include connecting block (9), connecting block (9) are rotated and are connected in the inside of safety window (2), the left side fixedly connected with triangular lock (8) of connecting block (9), the fixed surface of connecting block (9) is connected with the connecting rod, the top of connecting rod is equipped with first connecting hole (11), the internal thread of first connecting hole (11) is connected with first bolt (12), the surperficial threaded connection of first bolt (12) has turning block (16), the bottom of slide bar (6) is provided with flexible piece (13), flexible piece (13) and slide bar (6) swing joint.

3. The car roof safety window direct-insertion type unlocking device according to claim 1, characterized in that: the surface of slide bar (6) and the inner wall sliding connection of slide (3), second connecting hole (14) run through the top of slide bar (6) and extend to the inside of slide bar (6), second bolt (15) and second connecting hole (14) threaded connection, the top of dwang (7) is equipped with second connecting hole (14) equally.

4. The car roof safety window direct-insertion type unlocking device according to claim 1, characterized in that: second connecting hole (14) run through the bottom of dwang (7) and extend to the top of dwang (7), slide bar (6) and dwang (7) are connected through second connecting hole (14) and second bolt (15) rotation, the surface of second bolt (15) and the internal thread connection of dwang (7).

5. The car roof safety window direct-insertion type unlocking device according to claim 2, characterized in that: connecting block (9) are connected with the inside rotation of safety window (2), first connecting hole (11) are run through the top of connecting rod equally and are extended to the inside of connecting rod, the top of turning block (16) is provided with first connecting hole (11) equally, first connecting hole (11) are run through the top of turning block (16) equally and are extended to the bottom of turning block (16).

6. The car roof safety window direct-insertion type unlocking device according to claim 2, characterized in that: the inner wall of the car (1) is provided with a groove matched with the bottom shape of the rotating block (16), and the connecting rod and the rotating block (16) are rotatably connected with the first bolt (12) through the first connecting hole (11).