CN212716288U

CN212716288U - Electric plug door for public transport vehicle

Info

Publication number: CN212716288U
Application number: CN202021356841.3U
Authority: CN
Inventors: 吴翔; 左丽飞; 郭显鹏; 李恒文; 吕宾宾; 郭鹏
Original assignee: Nanjing Kangni Mechanical and Electrical Co Ltd
Current assignee: Nanjing Kangni Mechanical and Electrical Co Ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-03-16
Anticipated expiration: 2030-07-09

Abstract

The utility model discloses an electric sliding plug door for public transport vehicles, which comprises a frame body, wherein the left end and the right end of the frame body are correspondingly provided with an edge hanging frame, and a motor is arranged on the edge hanging frame; the automatic door locking device comprises a left hanging rack, a right hanging rack, a motor, a synchronous wheel, a synchronous belt, a lead screw, a locking assembly, a driving assembly, a locking assembly, a middle rack and a locking assembly, wherein the lead screw is arranged between the left hanging rack and the right hanging rack, the lead screw is rotatably connected with the driving assembly which is arranged oppositely and left to right through the synchronous wheel and the synchronous belt, the motor drives the lead screw to rotate, the lead screw drives the driving assembly to move oppositely or oppositely at the same time, the side hanging racks are provided with straight notches, a synchronous rod is arranged between the straight notches, the synchronous rod is slidably connected with the locking assembly, the driving assembly drives the locking assembly to do longitudinal movement and then do longitudinal movement, the locking assembly opens and closes a door, the original transmission mode is changed, the double active driving assemblies are; the increase direction subassembly can guarantee that the sliding plug door is in the good orbit of planning and moves.

Description

Electric plug door for public transport vehicle

Technical Field

The utility model relates to a bus door, in particular to be used for electronic stopper sliding door of bus.

Background

In recent years, along with the rapid development of the unmanned technology, the unmanned bus becomes a new favorite of each large vehicle factory. The unmanned bus is mainly driven by a battery, so that the vehicle body needs to be designed in a light weight mode in the actual design process to increase the endurance mileage. The working principle of the bus door is as follows: the transverse movement is that the linear bearing in the sliding cylinder moves on the long guide post, and the longitudinal movement is that the self-aligning bearing moves in the left bracket and the right bracket. Only the left door in the structure is provided with the locking component, and the right door is linked by the belt, so that the right door cannot be tightly closed or opened incompletely or even cannot be closed or opened in the operation process of the door after the belt is loosened.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a be used for electronic stopper sliding door of bus, solve the above-mentioned problem that bears actuating mechanism and appear in the operation, realize the operation stability of the electronic stopper sliding door of bus.

The technical scheme is as follows: the utility model relates to an electric plug sliding door for a bus, which comprises a frame body, wherein the left end and the right end of the frame body are correspondingly provided with an edge hanging frame, and a motor is arranged on the edge hanging frame; be provided with the lead screw between left and right stores pylon, lead screw and motor pass through synchronizing wheel and hold-in range realization and rotate the connection, the lead screw rotates and is connected with the drive assembly of controlling the opposition, the motor drive lead screw rotates, the lead screw drives drive assembly in opposite directions or opposite movement simultaneously, the limit stores pylon is opened there is the straight flute mouth, be provided with the synchronizing bar between the straight flute mouth, synchronizing bar sliding connection has the locking subassembly, drive assembly drive locking subassembly carries out earlier vertical and transverse combination's arc motion then carries out longitudinal movement, locking subassembly switching door.

Further, the driving assembly comprises a nut, a nut sleeve and an arc-shaped plate, the nut is rotatably connected with the screw rod, the nut sleeve is nested on the nut, the nut sleeve and the nut are meshed with each other, and the nut sleeve and the arc-shaped plate are hinged to each other.

Furthermore, the nut sleeve is provided with a support lug with a pin shaft hole on the circumferential outer wall of the nut sleeve, and the support lug is hinged with the arc-shaped plate through a pin shaft.

Further, the locking assembly comprises a support hinged with the arc-shaped plate, a sleeve, a sliding ring fixedly connected with the sleeve and slidably connected with the synchronous rod, and a support plate used for connecting a vehicle door; the sleeve is fixed between the support and the support plate, and the support plate are fixedly connected.

Further, set up spacing post on the sleeve, be provided with the rubber sleeve on the spacing post, the restriction post is used for preventing sleeve extrusion limit stores pylon.

Furthermore, the straight notch is connected with a deep groove ball bearing in a sliding mode, and the deep groove ball bearing is nested on the outer wall of the synchronizing rod.

Furthermore, a middle frame with a straight notch is arranged on the frame body between the side hanging frames and is used for supporting the synchronizing rod.

Furthermore, limiting plates for preventing the synchronous rod from falling off from the straight notch are arranged at the two ends of the synchronous rod.

Furthermore, the frame body is provided with a guide assembly arranged between the frame body and the support, the guide assembly comprises a guide wheel arranged on the support and a guide shell arranged on the frame body, the guide wheel moves along the guide shell, and the guide shell comprises an arc-shaped guide shell used for providing arc-shaped movement combined longitudinally and transversely and a linear guide shell used for providing longitudinal movement.

Has the advantages that: compared with the prior art, the utility model: the original transmission mode is changed, and the vehicle door is opened and closed through the double active driving assemblies, so that the opening and closing stability of the vehicle door is ensured, the middle frame is added to increase the rigidity of the sliding plug door, and the synchronous rod is ensured to synchronously move along the straight notch to improve the silence in the operation process; the increase direction subassembly can guarantee that the sliding plug door is in the good orbit of planning and moves.

Drawings

FIG. 1 is a first schematic structural view of an electric plug door for a bus;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

fig. 3 is a schematic structural diagram II of an electric plug door for a bus.

Detailed Description

As shown in fig. 1, an electric sliding plug door for a bus comprises a frame body 1, wherein side hanging frames 2 are correspondingly arranged at the left end and the right end of the frame body 1, and a motor 3 is arranged on each side hanging frame 2; be provided with lead screw 4 between left and right side stores pylon 2, lead screw 4 and motor 3 realize rotating through synchronizing wheel and hold-in range and connect, the drive assembly 5 of opposition about the lead screw 4 rotates to be connected with, motor 3 drives lead screw 4 and rotates, lead screw 4 drives drive assembly 5 simultaneously in opposite directions or opposite movement, 2 division of limit stores pylon have straight notch 6, be provided with synchronizing bar 7 between the

straight notch

6, 7 sliding connection of synchronizing bar have locking Assembly 8, drive assembly 5 drives locking Assembly 8 and carries out the arc motion of vertical and horizontal combination earlier then carries out longitudinal motion, 8 switching doors of locking Assembly.

As shown in fig. 1 to 3, the driving assembly 5 includes a nut 51 rotatably connected to the lead screw 4, a nut sleeve 52, and an arc plate 53, the nut 51 is rotatably connected to the lead screw 4, the nut sleeve 52 is nested on the nut 51, and the nut sleeve 52 and the arc plate 53 are engaged with each other.

The nut sleeve 52 is provided with a support lug 9 with a pin shaft hole on the circumferential outer wall, and the support lug 9 is hinged with the arc-shaped plate 53 through a pin shaft.

The locking assembly 8 comprises a bracket 81 hinged with the arc-shaped plate 53, a sleeve 82, a sliding ring 83 fixedly connected with the sleeve 82 and slidably connected with the synchronizing bar 7, and a support plate 84 for connecting a vehicle door; the sleeve 82 is fixed between the bracket 81 and the supporting plate 84, and the bracket 81 and the supporting plate 84 are fixedly connected.

The sleeve 82 is provided with a limiting column 13, the limiting column 13 is provided with a rubber sleeve, and the limiting column is used for preventing the sleeve 82 from extruding the edge hanging rack 2.

The straight notch 6 is connected with a deep groove ball bearing 10 in a sliding mode, and the deep groove ball bearing 10 is nested on the outer wall of the synchronizing rod 7.

The frame body 1 between the side hanging frames 2 is provided with a middle frame 11 with a straight notch 6, and the middle frame 11 is used for supporting the synchronizing rod 7.

Limiting plates 12 for preventing the synchronous rod 7 from falling off from the straight notch 6 are arranged at two ends of the synchronous rod 7.

The frame body 1 is provided with a guide assembly 14 arranged between the guide assembly and the support 81, the guide assembly 14 comprises a guide wheel 141 arranged on the support 81 and a guide shell 142 arranged on the frame body 1, wherein the guide wheel 141 moves along the guide shell 142, and the guide shell 142 comprises an arc-shaped guide shell 142 for providing arc-shaped movement combined longitudinally and transversely and a linear guide shell 142 for providing longitudinal movement.

The working principle is as follows: the driver starts the door controller through the button, the door controller controls the motor 3 to rotate forward or backward within a certain time, the motor 3 rotates forward, the screw rod 4 rotates under the driving of the motor 3, the nut 51 moves under the driving of the screw rod 4, the nut 51 drives the nut sleeve 52 to rotate, and the arc-shaped plate 53 is respectively hinged with the nut sleeve 52 and the bracket 81, so that the nut sleeve 52 moves the arc-shaped plate 53 transversely in a rotating mode, the arc-shaped plate 53 pushes the bracket 81 to move transversely, and the bracket 81 pushes the synchronous rod 7 to move transversely along the straight notch 6; the nut 51 carries the nut case 52 and the arc plate 53 to move longitudinally, so that the arc plate 53 carries the bracket 81 to move in an arc shape in combination of the transverse and longitudinal directions, and the sleeve 82 fixedly connected to the bracket 81 slides along the synchronizing bar 7, and the bracket 81 moves in an arc shape along the guide housing 142 by the guide wheel 141. Since the nut 51 and the nut sleeve 52 are locked during the rotation of the nut 51, the arc plate 53 is not moved in the transverse direction, and at this time, the nut 51 carries the nut sleeve 52 and the arc plate 53 to move only in the longitudinal direction, so that the bracket 81 is moved linearly along the guide housing 142 by the guide wheel 141, and the support plate 84 is driven by the bracket 81 and the sleeve 82 to open the vehicle door.

Claims

1. An electric plug sliding door for a bus comprises a frame body (1), wherein side hanging frames (2) are correspondingly arranged at the left end and the right end of the frame body (1), and a motor (3) is arranged on each side hanging frame (2); be provided with lead screw (4) between its characterized in that left and right side stores pylon (2), lead screw (4) and motor (3) realize rotating through synchronizing wheel and hold-in range and connect, contraposition drive assembly (5) about lead screw (4) rotate to be connected with, motor (3) drive lead screw (4) rotate, lead screw (4) drive assembly (5) simultaneously or opposite movement in opposite directions, open limit stores pylon (2) has straight notch (6), be provided with between straight notch (6) synchronizing bar (7), synchronizing bar (7) sliding connection has locking Assembly (8), drive assembly (5) drive locking Assembly (8) carry out the arc motion of vertical and horizontal combination earlier then carry out longitudinal movement, locking Assembly (8) switching door.

2. An electric plug door for buses as in claim 1, characterized in that the driving unit (5) comprises a nut (51) rotatably connected to the feed screw (4), a nut sleeve (52) and an arc plate (53), the nut (51) is rotatably connected to the feed screw (4), the nut sleeve (52) is nested on the nut (51) and is engaged with each other, the nut sleeve (52) and the arc plate (53) are hinged to each other.

3. An electric plug door for buses according to claim 2, characterized in that the nut sleeve (52) is provided on its circumferential outer wall with a lug (9) with a pin hole, the lug (9) being hinged to the arc-shaped plate (53) by a pin.

4. An electric plug door for buses, as in claim 1, characterized in that the locking assembly (8) comprises a bracket (81) hinged to the arc (53), a sleeve (82), a sliding ring (83) fixedly connected to the sleeve (82) and slidingly connected to the synchronization rod (7), and a support plate (84) for the connection of the door; the sleeve (82) is fixed between the support (81) and the support plate (84), and the support (81) and the support plate (84) are fixedly connected.

5. A bus electric plug sliding door according to claim 4, characterized in that the sleeve (82) is provided with a limit post (13), the limit post (13) is provided with a rubber sleeve, and the limit post is used for preventing the sleeve (82) from extruding the side hanger (2).

6. An electric plug door for buses according to claim 1, characterized in that the straight slot (6) is slidably connected with a deep groove ball bearing (10), and the deep groove ball bearing (10) is nested on the outer wall of the synchronizing rod (7).

7. An electric plug door for buses according to claim 1, characterised in that the frame body (1) between the side hangers (2) is provided with an intermediate frame (11) with a straight slot opening (6), the intermediate frame (11) being used to support the synchronising rod (7).

8. An electric plug door for buses according to claim 6, characterized in that the two ends of the synchronization rod (7) are provided with a limit plate (12) for preventing the synchronization rod (7) from falling off from the straight notch (6).

9. The electric plug-in door for the buses as claimed in claim 1 is characterized in that a guide assembly (14) is arranged on the frame body (1) and between the guide assembly and the support (81), the guide assembly (14) comprises a guide wheel (141) arranged on the support (81) and a guide shell (142) arranged on the frame body (1), wherein the guide wheel (141) moves along the guide shell (142), and the guide shell (142) comprises an arc-shaped guide shell (142) for providing arc-shaped movement combined longitudinally and transversely and a linear guide shell (142) for providing longitudinal movement.