CN216277396U

CN216277396U - Emergency unlocking device in rail car door

Info

Publication number: CN216277396U
Application number: CN202122662633.7U
Authority: CN
Inventors: 黎伟俊; 宋振铭; 黄振杨; 尚立宇; 谢伟城
Original assignee: Guangzhou Kangni Rail Transit Equipment Co ltd
Current assignee: Guangzhou Kangni Rail Transit Equipment Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-04-12
Anticipated expiration: 2031-11-02

Abstract

The utility model belongs to the technical field of traffic erection equipment, a urgent unlocking device in railcar door is disclosed, including urgent operating structure, urgent operating structure includes the switch, urgent operating structure still includes operation main part and guide main part, the rear end fixed connection of guide main part is at the antetheca of switch, the upper end fixed connection of operation main part is in the front portion of switch, the operation main part includes rope, fixed axle, first rotary drum and first fixed block, the side roll extrusion of rope is at the side of first rotary drum, the lower extreme fixed connection of fixed axle is in the upper end of first fixed block, first rotary drum rotates the outer wall of installing at the fixed axle, the operation main part still includes the handle, the upper end fixed connection of handle is at the lower extreme of rope, the guide main part includes bearing frame and second rotary drum. This application can the person of facilitating the use emergency operation, better satisfying the user needs.

Description

Emergency unlocking device in rail car door

Technical Field

The application belongs to the technical field of traffic installation equipment, and particularly relates to an emergency unlocking device in a rail car door.

Background

The rail car comprises a trailer, and the following is a main transport tool for performing tasks by construction departments such as railway equipment maintenance, overhaul, capital construction and the like. The rail car is divided into a heavy type rail car and a light type rail car, and can be withdrawn from a line at any time by passengers, so that the rail car is called a light rail car; the so-called heavy rail cars, in which the passengers cannot evacuate the line at any time, are usually provided with emergency switches for unlocking the doors.

The common emergency switch is of a knob type, and due to the fact that the knob type switch has two operation directions, passengers easily lose intelligence under the condition of danger and operate the emergency switch in a confused state of mind, and the escape time is wasted after the passengers twist the direction without paying attention to the reverse twisting, so that the problem that the conventional knob type emergency switch is inconvenient to operate under the condition of the confused state of mind is solved.

SUMMERY OF THE UTILITY MODEL

The application aims to solve the problem that the conventional emergency switch for a knob worker is inconvenient to operate in a hurry state in the prior art, and the emergency unlocking device for the rail car door is provided.

In order to achieve the above purpose, the present application provides the following technical solutions: the emergency unlocking device in the rail car door comprises an emergency operation structure, wherein the emergency operation structure comprises a switch, the emergency operation structure further comprises an operation main body and a guide main body, the rear end of the guide main body is fixedly connected to the front wall of the switch, and the upper end of the operation main body is fixedly connected to the front part of the switch;

the operation main body comprises a rope, a fixed shaft, a first rotary drum and a first fixed block, and the side end of the rope is rolled and extruded at the side end of the first rotary drum; the lower extreme fixed connection of fixed axle is in the upper end of first fixed block, first rotary drum rotates the outer wall of installing at the fixed axle.

Preferably, the operation body further comprises a handle, and the upper end of the handle is fixedly connected to the lower end of the rope.

Preferably, the guide body comprises a bearing seat and a second drum; the second drum is rotatably mounted in front of the bearing housing and the cable is in rolling contact with the second drum.

Preferably, the guide body further includes a blocking frame which is blocked at an upper side of the second drum.

Preferably, the guide body further comprises a catch disc; the baffle disc is fixedly connected to the side part of the second rotary drum.

Preferably, the switch comprises a machine body, a knob and a second fixed block, and the rear end of the knob is fixedly connected to the front end of a rotating rod of the machine body; the side end of the second fixing block is fixedly connected to the outer end of the knob, the upper end of the rope is fixedly connected to the outer wall of the second fixing block, and the upper portion of the rope is sleeved on the upper wall of the knob; the rear ends of the first fixing block, the blocking frame and the bearing seat are fixedly connected to the front wall of the machine body.

Preferably, the front end of the machine body is provided with a mounting opening.

Compared with the prior art, the beneficial effect of this application is:

1. the mode of pulling the lower part of the rope downwards and the mode of opening the switch by the rope are adopted, so that the use by pulling operation of a user is facilitated.

2. The operating direction of the rope is changed through the second drum, so that a user can conveniently and directly pull the lower part of the operating rope downwards.

Drawings

Fig. 1 is a schematic view of the overall structure proposed in the present application;

FIG. 2 is a schematic structural diagram of an operation body proposed in the present application;

fig. 3 is a schematic structural view of a guide body proposed in the present application;

fig. 4 is a schematic diagram of a switch structure proposed in the present application.

In the figure: 1. an emergency operation configuration; 2. an operation body; 3. a guide body; 4. a switch; 5. a rope; 6. a fixed shaft; 7. a first rotating drum; 8. a first fixed block; 9. a handle; 10. a blocking frame; 11. a bearing seat; 12. a catch tray; 13. a second rotating drum; 14. a body; 15. an installation port; 16. a knob; 17. and a second fixed block.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

Referring to fig. 1-2, the emergency unlocking device in the railway vehicle door comprises an emergency operation structure 1, wherein the emergency operation structure 1 comprises a switch 4, the emergency operation structure 1 further comprises an operation body 2 and a guide body 3, the rear end of the guide body 3 is fixedly connected to the front wall of the switch 4, and the upper end of the operation body 2 is fixedly connected to the front part of the switch 4; the upper part of the operation body 2 is sleeved on the front part of the switch 4, the operation body 2 is movably contacted with the guide body 3, and the lower part of the operation body 2 is restrained by the guide body 3;

the operation body 2 comprises a rope 5, a fixed shaft 6, a first rotary drum 7 and a first fixed block 8, the axis of the first rotary drum 7 is vertical, and the side end of the rope 5 is rolled and extruded at the side end of the first rotary drum 7; the movement resistance of the rope 5 is reduced by the way that the first rotary drum 7 is in rolling contact with the rope 5; the lower end of the fixed shaft 6 is fixedly connected with the upper end of a first fixed block 8, and a first rotary drum 7 is rotatably arranged on the outer wall of the fixed shaft 6; the lower end of the first rotary drum 7 is not in contact with the first fixing block 8.

The operation body 2 also comprises a handle 9, and the upper end of the handle 9 is fixedly connected with the lower end of the rope 5; the handle 9 is convenient for a user to hold the hand to exert force.

Referring to fig. 3, the guide body 3 includes a bearing housing 11 and a second drum 13; the axis of the second rotary drum 13 is along the horizontal direction, and the bearing seats 11 are provided with a pair; the second drum 13 is rotatably mounted in front of the bearing housing 11, the rope 5 being in rolling contact with the second drum 13; the rope 5 is in rolling contact with the second drum 13, and the direction of the force applied to the rope 5 by the second drum 13 is changed.

The guide body 3 further comprises a blocking frame 10, the blocking frame 10 is shielded on the upper side of the second rotary drum 13; the upward movement range of the rope 5 is restricted by the blocking frame 10 blocking the upper side of the second drum 13.

The guide body 3 further comprises a catch disc 12; the baffle discs 12 are provided with a pair; the baffle disc 12 is fixedly connected with the side part of the second rotary drum 13; the second drum 13 penetrates the stopper disc 12, and the stopper disc 12 blocks the side portion of the second drum 13, thereby restricting the range of movement of the rope 5 to both sides.

Referring to fig. 4, the switch 4 includes a body 14, a knob 16 and a second fixing block 17, and a rear end of the knob 16 is fixedly connected to a front end of a rotating rod of the body 14; the axis of rotation of the knob 16 is perpendicular to the front surface of the body 14 and to the axis of rotation of the first drum 7. The knob 16 drives the rotating rod of the machine body 14 to rotate after being rotated by external force, and the machine body 14 is a conventional switch machine base; the side end of the second fixed block 17 is fixedly connected with the outer end of the knob 16, the upper end of the rope 5 is fixedly connected with the outer wall of the second fixed block 17, and the upper part of the rope 5 is sleeved on the upper wall of the knob 16; when the rope 5 is pulled by external force, the second fixing block 17 is driven to drive the knob 16 to rotate; the rear ends of the first fixed block 8, the blocking frame 10 and the bearing seat 11 are fixedly connected to the front wall of the machine body 14; the distance between the first fixing block 8, the blocking frame 10 and the bearing seat 11 is stabilized by the machine body 14.

The front end of the machine body 14 is provided with a mounting opening 15; the number of the mounting ports 15 is 4, and the mounting ports 15 penetrate the body 14.

The working principle is as follows: the machine body 14 is fixed in the target compartment through the mounting hole 15 by means of additional screws; during operation, the handle 9 is held by a hand to pull the rope 5 downwards, the second rotary drum 13 is used for converting the downward tension into horizontal tension, and the first rotary drum 7 is used for changing the stress direction, so that the lower part of the rope 5 generates a lateral pulling acting force to drive the second fixing block 17 and the knob 16 to rotate to trigger the switch.

Although embodiments of the present application 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 application, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Emergency unlocking device in railcar door, including emergency operation structure (1), emergency operation structure (1) includes switch (4), its characterized in that: the emergency operation structure (1) further comprises an operation main body (2) and a guide main body (3), wherein the rear end of the guide main body (3) is fixedly connected to the front wall of the switch (4), and the upper end of the operation main body (2) is fixedly connected to the front part of the switch (4);

the operation main body (2) comprises a rope (5), a fixed shaft (6), a first rotary drum (7) and a first fixed block (8), and the side end of the rope (5) is rolled and extruded at the side end of the first rotary drum (7); the lower end of the fixed shaft (6) is fixedly connected to the upper end of the first fixed block (8), and the first rotary drum (7) is rotatably mounted on the outer wall of the fixed shaft (6).

2. The railcar door emergency unlocking device of claim 1, wherein: the operation main body (2) further comprises a handle (9), and the upper end of the handle (9) is fixedly connected to the lower end of the rope (5).

3. The railcar door emergency unlocking device of claim 1, wherein: the guide body (3) comprises a bearing seat (11) and a second drum (13); the second drum (13) is rotatably mounted in front of the bearing block (11), the rope (5) being in rolling contact with the second drum (13).

4. The railcar door emergency unlocking device of claim 3, wherein: the guide body (3) further comprises a blocking frame (10), and the blocking frame (10) is shielded on the upper side of the second rotary drum (13).

5. The railcar door emergency unlocking device of claim 3, wherein: the guide body (3) further comprises a catch disc (12); the baffle disc (12) is fixedly connected to the side part of the second rotary drum (13).

6. The railcar door emergency unlocking device of claim 4, wherein: the switch (4) comprises a machine body (14), a knob (16) and a second fixed block (17), wherein the rear end of the knob (16) is fixedly connected with the front end of a rotating rod of the machine body (14); the side end of the second fixing block (17) is fixedly connected to the outer end of the knob (16), the upper end of the rope (5) is fixedly connected to the outer wall of the second fixing block (17), and the upper portion of the rope (5) is sleeved on the upper wall of the knob (16); the rear ends of the first fixing block (8), the blocking frame (10) and the bearing seat (11) are fixedly connected to the front wall of the machine body (14).

7. The railcar door emergency unlocking device of claim 6 wherein: the front end of the machine body (14) is provided with a mounting opening (15).