CN215332229U

CN215332229U - High passenger train door rotary device of security

Info

Publication number: CN215332229U
Application number: CN202121415555.4U
Authority: CN
Inventors: 李涛
Original assignee: Jinhu Yizhong Control System Co ltd
Current assignee: Jinhu Yizhong Control System Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2021-12-28
Anticipated expiration: 2031-06-24

Abstract

The utility model discloses a high-safety passenger car door rotating device, which relates to the technical field of passenger car doors and comprises a device box, wherein an output shaft is arranged in the device box, a rotating disc is fixedly sleeved at the top end of the output shaft, a first convex rod is fixedly connected to the upper surface of the rotating disc, a swinging piece is slidably connected to the outer wall of the first convex rod, one end of the swinging piece is fixedly connected with a rotating rod, the other end of the swinging piece is slidably connected with a second convex rod, the bottom end of the second convex rod is fixedly connected with a connecting block, two sides of the connecting block are fixedly connected with a U-shaped frame, racks are fixedly connected to the inner side of the U-shaped frame and are all meshed with incomplete gears, and according to the quick return principle of swinging of the swinging piece, the passenger car door is relatively high in speed when the passenger car door starts to be closed, and is slow in speed when the passenger car door is closed, so that people can be prevented from being injured when the passenger car door is closed, thereby improving the safety and not damaging the door of the passenger car.

Description

High passenger train door rotary device of security

Technical Field

The utility model relates to the technical field of passenger car doors, in particular to a passenger car door rotating device with high safety.

Background

The existing modes of operating the passenger car door of the passenger car are mainly divided into manual operation and power source operation, the low-grade passenger car directly uses manual operation to open and close the passenger car door, and a large number of folding doors or single-door opening are used, the passenger car carrying vehicles of the types are often provided with a worker to help passengers to get on and off the vehicle except for drivers, along with the technical progress, the mode of gradually replacing manual opening and closing of the passenger car door by the power source operation is adopted, and a passenger car door rotating mechanism is one of important parts for opening and closing the passenger car door by the power source operation.

In the existing passenger car door rotating mechanism, in the process of opening and closing the passenger car door, the rotating speed of the car door is uniform, so that passengers nearby the car door cannot react due to the fact that the car door is opened and closed sometimes, and safety accidents are caused. Therefore, a highly safe door rotating device for a passenger car is proposed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a passenger car door rotating device with high safety.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a high-safety passenger car door rotating device comprises a device box, an output shaft is arranged in the device box, the top end of the output shaft is fixedly sleeved with a turntable, the upper surface of the turntable is fixedly connected with a first convex rod, the outer wall of the first convex rod is connected with a swinging piece in a sliding way, one end of the swinging piece is fixedly connected with a rotating rod, the other end of the swinging piece is connected with a second convex rod in a sliding way, the bottom end of the second convex rod is fixedly connected with a connecting block, the two sides of the connecting block are both fixedly connected with U-shaped frames, the inner sides of the U-shaped frames are both fixedly connected with racks, the racks are all meshed with incomplete gears, the inner walls of the incomplete gears are fixedly sleeved with transmission shafts, the fixed cover in bottom outer wall of transmission shaft has connect the action wheel, the action wheel is connected with from the driving wheel through belt transmission, from the fixed cover in inside of driving wheel to be connected with the axis of rotation.

Preferably, both ends of dwang all with the inner wall fixed connection of device case, the both ends of transmission shaft all are connected with the inner wall rotation of device case.

Preferably, the top end of the rotating shaft is rotatably connected with the inner wall of the top end of the device box, the bottom end of the rotating shaft penetrates through and extends to the outside of the device box, and the extending ends of the rotating shaft are fixedly connected with the passenger car door.

Preferably, a motor is fixedly installed inside the bottom end of the device box, and the output end of the motor is fixedly connected with the bottom end of the output shaft.

Preferably, the sliding rails are fixedly mounted on two sides of the inner wall of the device box, and the outer wall of the U-shaped frame is connected with the outer walls of the sliding rails in a sliding mode.

Preferably, the outer wall of the device box is fixedly provided with a signal lamp.

Preferably, the radius of the driven wheel is four times the radius of the oscillating member.

The utility model has the beneficial effects that:

1. according to the utility model, due to the quick return principle of the swinging piece, the right moving speed of the rack is higher, namely the rotating speed of the incomplete gear is higher, when the rack moves leftwards, the left moving speed of the rack is slower, namely the rotating speed of the incomplete gear is slower, so that the rotating speed of the incomplete gear is reduced from high to low, the speed is higher when the passenger door is closed, and the speed is slower when the passenger door is closed, people can be prevented from being pinched when the passenger door is closed, and the safety is improved, and the passenger door is not easy to damage.

2. According to the utility model, due to the swing quick-return principle of the swing piece, the right moving speed of the rack is lower, namely the rotating speed of the incomplete gear is lower, when the rack moves leftwards, the left moving speed of the rack is higher, namely the rotating speed of the incomplete gear is higher, so that the rotating speed of the incomplete gear is increased from slow to fast, the speed of the bus door is lower when the bus door starts to open the door, then the speed is gradually increased, the door opening efficiency can be improved, people can be prevented from being injured by clamping the bus door when the bus door is opened, and the safety is improved.

3. According to the utility model, two passenger car doors can be driven to be opened simultaneously through the motor, the synchronism is improved, the energy consumption and the manufacturing cost are reduced by only using one motor, through the design of the signal lamp, the signal lamp flickers when the passenger car doors are opened and closed, passengers are far away from the car doors, and the safety is improved.

Drawings

Fig. 1 is a plan view of a device box of a safe door rotating device according to the present invention.

Fig. 2 is a front view of an apparatus box of the door rotating apparatus of the passenger car according to the present invention with high safety.

Fig. 3 is a plan view of a U-shaped frame, a rack, and a connection block of the door rotating device of the passenger car having high safety according to the present invention.

Fig. 4 is a front view of a connection block and a second protrusion bar of the door rotating device for a passenger car according to the present invention.

Fig. 5 is a schematic view showing the construction of a swing member of a door rotating device for a passenger car according to the present invention with high safety.

Reference numbers in the figures: 1. a device case; 2. an output shaft; 3. a turntable; 4. a first nose bar; 5. rotating the rod; 6. a swinging member; 7. a slide rail; 8. a U-shaped frame; 9. a rack; 10. connecting blocks; 11. a second nose bar; 12. a drive shaft; 13. an incomplete gear; 14. a rotating shaft; 15. a driven wheel; 16. a driving wheel; 17. a motor; 18. a passenger door; 19. a signal lamp.

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.

Example (b):

as shown in figures 1 to 5:

the utility model provides a high passenger train door rotary device of security, including device case 1, the inside of device case 1 is provided with output shaft 2, the fixed cover in top of output shaft 2 has connect carousel 3, the first protruding pole 4 of last fixed surface of carousel 3, the outer wall sliding connection of first protruding pole 4 has swinging member 6, the one end fixedly connected with dwang 5 of swinging member 6, the other end sliding connection of swinging member 6 has second protruding pole 11, the bottom fixedly connected with connecting block 10 of second protruding pole 11, the equal fixedly connected with U type frame 8 in both sides of connecting block 10, the equal fixedly connected with rack 9 in inboard of U type frame 8, rack 9 all meshes incomplete gear 13, the fixed transmission shaft 12 that has cup jointed of inner wall of incomplete gear 13, the fixed cover in bottom outer wall of transmission shaft 12 has connect action wheel 16, action wheel 16 is connected with from driving wheel 15 through belt transmission, the fixed cover in the inside from driving wheel 15 has connect axis of rotation 14.

The both ends of dwang 5 all with the inner wall fixed connection of device case 1, the both ends of transmission shaft 12 all with the inner wall rotation connection of device case 1.

The top end of the rotating shaft 14 is rotatably connected with the inner wall of the top end of the device box 1, the bottom end of the rotating shaft 14 penetrates through and extends to the outside of the device box 1, and the extending ends of the rotating shaft 14 are fixedly connected with the passenger car door 18.

The inside fixed mounting in bottom of device case 1 has motor 17, and the output of motor 17 and the bottom fixed connection of output shaft 2.

The device case 1's the equal fixed mounting in inner wall both sides has slide rail 7, and U type frame 8's outer wall and slide rail 7's outer wall sliding connection, through the design of slide rail 7, U type frame 8 slides on slide rail 7, has improved the stability that U type frame 8 removed.

The outer wall of the device box 1 is fixedly provided with a signal lamp 19, and through the design of the signal lamp 19, the signal lamp 19 flickers when the passenger car door 18 is opened and closed, so that passengers can be far away from the car door, and the safety is improved.

The radius of the driven wheel 15 is four times of the radius of the swinging piece 6, and the size of the driven wheel 15 is far larger than that of the driving wheel 16, so that the driving wheel 16 drives the driven wheel 15 to perform secondary speed reduction, and the deflection angle of the rotating shaft 14 driven by the driven wheel 15 is reduced, and the passenger car door 18 only deflects in a fan shape.

The specific use mode and function of the embodiment are as follows:

when the utility model is used, when the door of a passenger car needs to be closed, a passenger car driver controls the motor 17 to work through an external control button, the motor 17 drives the output shaft 2 to rotate anticlockwise for one circle, the output shaft 2 drives the rotary disc 3 to rotate anticlockwise for one circle, the rotary disc 3 drives the first convex rod 4 to move anticlockwise for one circle to return to the initial position, the initial position of the first convex rod 4 is the left side of the rotary disc 3, at the moment, the swinging piece 6 is in an inclined state, the first convex rod 4 drives the swinging piece 6 to swing, the swinging piece 6 drives the connecting block 10 to move left and right through the second convex rod 11, the connecting block 10 is fixedly connected with the U-shaped frame 8, the connecting block 10 drives the U-shaped frame 8 to move left and right, the U-shaped frame 8 drives the rack 9 to move left and right, the rack 9 is meshed with the incomplete gear 13, when the rack 9 moves right, the rack 9 drives the incomplete gear 13 to rotate for half a circle, due to the quick return principle of swinging of the swinging piece 6, at the moment, the speed of the right movement of the rack 9 is faster, namely the rotation speed of the incomplete gear 13 is faster, when the rack 9 moves to the left, the incomplete gear 13 is meshed with the rack 9 on the other side, the rack 9 drives the incomplete gear 13 to rotate for a half turn again, at the moment, the speed of the left movement of the rack 9 is slower, namely the rotation speed of the incomplete gear 13 is slower, therefore, the rotation speed of the incomplete gear 13 is slowed from high to low, meanwhile, the incomplete gear 13 drives the transmission shaft 12 to rotate, the transmission shaft 12 drives the driving wheel 16 to rotate, the driving wheel 16 drives the driven wheel 15 to rotate through a belt, because the size of the driven wheel 15 is far larger than that of the driving wheel 16, the driving wheel 16 drives the driven wheel 15 to decelerate for the second time, and the driven wheel 15 drives the rotating shaft 14 to rotate 90 degrees, at the moment, the rotating shaft 14 drives the passenger door 18 to rotate 90 degrees, at the moment, the passenger door 18 is closed, thereby, the speed of the passenger door 18 is faster when the passenger door starts to close, the speed is reduced when the door is closed, so that people can be prevented from being pinched by the closed door 18 of the passenger car, the safety is improved, and the door 18 of the passenger car is not easy to damage;

similarly, when the door of the passenger car needs to be opened, a passenger car driver controls the motor 17 to work through an external control button, the motor 17 drives the output shaft 2 to rotate clockwise, when the rack 9 moves rightwards, the rack 9 drives the incomplete gear 13 to rotate for a half circle, due to the swing snap-back principle of the swing piece 6, the rightwards movement speed of the rack 9 is slower, namely the rotation speed of the incomplete gear 13 is slower, when the rack 9 moves leftwards, the incomplete gear 13 is meshed with the rack 9 on the other side, the rack 9 drives the incomplete gear 13 to rotate for a half circle again, at the moment, the leftwards movement speed of the rack 9 is faster, namely the rotation speed of the incomplete gear 13 is faster, therefore, the rotation speed of the incomplete gear 13 is from slow to fast, meanwhile, the incomplete gear 13 drives the transmission shaft 12 to rotate, the transmission shaft 12 drives the driving wheel 16 to rotate, the driving wheel 16 drives the driven wheel 15 to rotate through a belt, and the size of the driven wheel 15 is much larger than that of the driving wheel 16, therefore, the driving wheel 16 drives the driven wheel 15 to decelerate for the second time, the driven wheel 15 drives the rotating shaft 14 to rotate for 90 degrees, the rotating shaft 14 drives the passenger door 18 to rotate for 90 degrees, the passenger door 18 is opened at the moment, the speed of the passenger door 18 is slower when the door is opened, then the speed is gradually increased, the door opening efficiency can be improved, the passenger door 18 can be prevented from being pinched by a person standing beside the passenger door 18 when the passenger door 18 is opened, and the safety is improved.

The above structure and process are shown in FIGS. 1-5.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a high door rotary device of passenger train of security, includes device case (1), its characterized in that, the inside of device case (1) is provided with output shaft (2), the fixed cover in top of output shaft (2) has connect carousel (3), the last fixed surface of carousel (3) is connected with first protruding pole (4), the outer wall sliding connection of first protruding pole (4) has swing piece (6), the one end fixedly connected with dwang (5) of swing piece (6), the other end sliding connection of swing piece (6) has second protruding pole (11), the bottom fixedly connected with connecting block (10) of second protruding pole (11), the equal fixedly connected with U type frame (8) in both sides of connecting block (10), the equal fixedly connected with rack (9) in inboard of U type frame (8), rack (9) all mesh has incomplete gear (13), the inner wall of incomplete gear (13) is fixed to be cup jointed transmission shaft (12), the fixed cover of bottom outer wall of transmission shaft (12) has connect action wheel (16), action wheel (16) are connected with from driving wheel (15) through belt transmission, the fixed cover in inside from driving wheel (15) has connect axis of rotation (14).

2. A high-safety door rotating device for passenger cars according to claim 1, characterized in that both ends of the rotating rod (5) are fixedly connected with the inner wall of the device box (1), and both ends of the transmission shaft (12) are rotatably connected with the inner wall of the device box (1).

3. A safe door rotating device for passenger cars according to claim 1, characterized in that the top end of the rotating shaft (14) is rotatably connected with the top inner wall of the device box (1), the bottom end of the rotating shaft (14) penetrates and extends to the outside of the device box (1), and the extending ends of the rotating shaft (14) are fixedly connected with the door (18).

4. A high safety door rotating device for passenger cars according to claim 1, characterized in that a motor (17) is fixedly installed inside the bottom end of the device box (1), and the output end of the motor (17) is fixedly connected with the bottom end of the output shaft (2).

5. A high safety door rotating device for passenger cars according to claim 1, characterized in that sliding rails (7) are fixedly installed on both sides of the inner wall of the device box (1), and the outer wall of the U-shaped frame (8) is slidably connected with the outer wall of the sliding rails (7).

6. A high-safety door rotating device for passenger cars according to claim 1, characterized in that a signal lamp (19) is fixedly installed on the outer wall of the device case (1).

7. A high safety door rotating device for passenger cars according to claim 1, characterized in that the radius of the driven wheel (15) is four times the radius of the oscillating piece (6).