CN210948180U

CN210948180U - Synchronous transmission mechanism of sliding plug door

Info

Publication number: CN210948180U
Application number: CN201921636263.6U
Authority: CN
Inventors: 陈都; 韩锋钢; 蔡永恒; 黄宝有; 吴文菁
Original assignee: Xiamen Vehicle Design & Service Co ltd
Current assignee: Xiamen Vehicle Design & Service Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-07-07
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses a synchronous transmission mechanism of a sliding plug door, which is provided with two fixing frames, an installation track and two guide sliding columns, wherein one side of the two fixing frames, which is back to back, is provided with a sliding part, the installation track is positioned between the two guide sliding columns, the guide sliding columns are sleeved with sliding sleeves, and the installation track is provided with a driving mechanism for driving the two sliding sleeves to translate in opposite directions and back to back; the front sides of the two fixing frames are provided with synchronous swing arms, one ends of the synchronous swing arms are arranged on the front sides of the fixing frames in a mode that the synchronous swing arms can slide up and down along the fixing frames, the other ends of the two synchronous swing arms are sleeved outside the same swing arm shaft, and two end portions of the swing arm shaft are rotatably arranged on the sliding plug door. Compared with the prior art, the driving mechanism is arranged on the two fixing frames, the whole structure is simple, the layout is compact, overlarge space cannot be occupied, the disassembly and the assembly are easy to realize, the two fixing frames can be always kept synchronous, and the opening and the closing of the two door bodies of the sliding plug door are stable.

Description

Synchronous transmission mechanism of sliding plug door

Technical Field

The utility model relates to a stopper sliding door field, in particular to stopper sliding door synchronous transmission mechanism.

Background

The traditional buses mostly adopt outward-opening or inward-opening type doors, and the outward-opening or inward-opening type doors are easy to cause the problem of personnel clamping injury during opening and closing, so that the conventional buses gradually start sliding-plug doors like movable doors for the sake of safety. The sliding plug door mainly means that the door has two actions of plugging and pulling, namely, the door is plugged into the door opening from the outside of the vehicle when being closed so as to be closed and sealed; when the door is opened, the sliding plug door moves outwards to the door opening for a certain distance and slides along the outer side of the vehicle body. The most important thing when the car is using is to guarantee the stability of operation, and the transmission of the existing sliding plug door mostly adopts the combination mode of the motor and belt, for example, Chinese patent CN208347544U discloses a sliding plug door transmission device, which includes the driving motor arranged in the middle position, the front end of the driving motor is provided with the swinging disk connected with the stator of the driving motor and the motor toothed belt wheel connected with the output shaft of the driving motor; the motor bracket is used for supporting the driving motor, and the front lower end of the motor bracket is bilaterally and symmetrically provided with two reversing wheels for tensioning and reversing belt transmission; two belt pulleys symmetrically arranged at two sides of the reversing wheel, wherein a belt is wound on the belt pulleys and a motor toothed belt wheel of the driving motor in a closed loop manner; two belt clamping plates for outputting linear motion are obliquely and symmetrically arranged on the belt along two sides of the driving motor; in the scheme, the whole structure of the transmission mechanism is complex, and the operation is not stable.

In view of the above, the present inventors have conducted extensive studies to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stopper sliding door synchronous transmission mechanism to solve the complicated, the unstable problem of operation of prior art's stopper sliding door overall structure.

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

a synchronous transmission mechanism of a sliding plug door is provided with two fixed frames which are oppositely arranged at a left and a right interval, and an installation rail and a guide sliding post which are arranged between the two fixed frames and extend along the left and right direction, wherein one side of each of the two fixed frames, which is opposite to each other, is provided with a sliding component for the sliding installation of the fixed frames, the number of the guide sliding posts is two, the installation rail is arranged between the two guide sliding posts, the guide sliding post is sleeved with a sliding sleeve which can horizontally move along the guide sliding post from left to right, and the installation rail is provided with a driving mechanism which can drive the two sliding sleeves to horizontally move in opposite directions and; the front side of two mounts all is equipped with synchronous swing arm, and the one end of above-mentioned synchronous swing arm is installed on the front side of mount with the mode that can follow mount gliding from top to bottom, and the other end of two synchronous swing arms is all established outside same swing arm axle, and this swing arm axle sets up along controlling the direction recumbent, and the both ends of swing arm axle rotate to be installed on the stopper sliding door is used for mount slidable mounting's installing support.

The fixing frames are of plate structures, the two fixing frames are vertically and oppositely arranged, pulleys are arranged at the end parts of the two fixing frames, the back surfaces of the two fixing frames are located on the guide sliding columns, the pulleys are sliding parts, and the pulleys are installed on the fixing frames through bolts.

The synchronous swing arm is a crank rod with one large end and the other small end, the large end of the crank rod is sleeved outside the swing arm shaft, a swing arm pin shaft is arranged at the small end of the crank rod and transversely arranged along the left-right direction, a strip-shaped through hole extending along the up-down direction is formed in the position, located at the swing arm pin shaft, of the front end of the fixing frame, one end of the swing arm pin shaft is sleeved in the crank rod, and the other end of the swing arm pin shaft extends into the strip-shaped through hole.

The driving mechanism is provided with a driving motor, a first rack, a second rack and a transmission gear, the driving motor is fixedly and horizontally arranged on the top surface of the mounting rail, an output shaft of the driving motor is arranged towards the left or the right, the transmission gear is horizontally arranged below the mounting rail, a gear reversing transmission box which is connected with the transmission gear and drives the transmission gear to rotate is arranged on the output shaft of the driving motor, a mounting block for mounting the sliding door carrying frame is locked on the bottom surface of the sliding sleeve, the back surface of the sliding sleeve at the front side is fixedly provided with the first rack extending along the axial direction of the sliding sleeve, teeth of the first rack are meshed with the transmission gear, the front surface of the sliding sleeve at the rear side is fixedly provided with the second rack extending along the axial direction of the sliding sleeve, teeth of the second rack are meshed with the transmission gear, and the first rack and the second rack are distributed leftwards and rightwards relative to the mounting rail, the top surface of the sliding sleeve at the rear side is rotatably provided with a guide roller which is horizontally arranged.

After the technical scheme is adopted, the synchronous transmission mechanism of the sliding plug door has the following effects that the driving mechanism is arranged on the two fixing frames, the whole structure is simple, the layout is compact, overlarge space cannot be occupied, and meanwhile, each part in the whole mechanism is easy to disassemble and assemble, so that the maintenance and the replacement are convenient; and when the two fixing frames move, the two fixing frames are always kept synchronous by utilizing the matching of the two synchronous swing arms and the swing arm shaft, so that the opening and closing of the two door bodies of the sliding plug door are synchronous, and the sliding plug door is stable in operation.

Drawings

FIG. 1 is a perspective view of the present invention applied to a sliding plug door;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is another schematic structural diagram of the present invention;

fig. 4 is a schematic view of the combination of the middle synchronous swing arm and the swing arm shaft of the present invention.

Detailed Description

In order to further explain the technical solution of the present invention, the following detailed description is made with reference to the accompanying drawings.

The utility model relates to a synchronous transmission mechanism of a sliding plug door, as shown in figure 1-4, the synchronous transmission mechanism is arranged on the sliding plug door, the sliding plug door is provided with a door body, door carrying frames 2 and a mounting bracket, the door body is composed of two single door bodies 1 which are arranged by being leaned against each other from left to right, the structure of the door body is the prior structure, the mounting bracket is arranged above the door body, the upper parts of the two single door bodies 1 are both provided with the door carrying frames 2, the structure of the door carrying frames 2 is the same as that of the prior door carrying frames 2 and is both in an arc structure, the two door carrying frames 2 are arranged close to, one end of the door carrying frame 2 is arranged on the single door body, the other end is matched with the mounting bracket, the mounting bracket is provided with a left mounting plate 31 and a right mounting plate 31 which are oppositely spaced, and the rear ends of the two mounting plates are connected together through the cross beam, the mounting bracket is integrally mounted at the top of the automobile, and the novel synchronous transmission mechanism is mounted on the mounting bracket in a mode of sliding back and forth along the mounting bracket.

The utility model discloses a synchronous drive mechanism of sliding plug door, it has two mounts 41 that left and right relative interval set up, and be in between two mounts 41 along the mounting rail 42 and the direction traveller 43 that left and right directions extended, mount 41 is the plate structure, two mounts 41 are and erect relative setting, direction traveller 43 is provided with two, mounting rail 42 is in between two direction travelers 43, the opposite face that the both ends terminal surface of mounting rail 42 corresponds to two mounts 41 pastes the cooperation and the lock solid is in the same place.

The opposite sides of the two fixing frames 41 are provided with sliding components which are used for the fixing frames 41 to be arranged on the mounting plates 31 of the mounting brackets in a sliding way, the sliding components are pulleys 411, the end surfaces of the two ends of the guide sliding column 43 are matched with opposite surfaces of the two fixing frames 41 in a sticking way, the pulleys 411 are arranged horizontally along the left and right direction, that is, the central axis of the pulley 411 is extended in the left-right direction, the position of the pulley 411 is opposite to the end of the guiding sliding column 43, the end of each guiding sliding column 43 passes through the fixed frame 41, the pulley 411 is rotatably sleeved outside the part of the guiding sliding column 43 outside the fixing frame 41, that is, each fixing frame 41 has two pulleys 411 arranged in front and back, the pulleys 411 are connected with the end of the guide sliding column 43 through bolts 412, and a mounting bearing sleeved outside the rod part of the bolt 412 is mounted in the wheel center of the pulley 411 and rotatably mounted outside the rod part of the bolt 412.

The guide sliding column 43 is sleeved with a sliding sleeve 44 which translates left and right along the guide sliding column, the mounting rail 42 is provided with a driving mechanism which drives the two sliding sleeves 44 to translate in opposite directions and drives the two fixing frames 41 to translate back and forth synchronously, the driving mechanism is provided with a driving motor 51, a first rack 52, a second rack 53 and a transmission gear 54, the driving motor 51 is fixedly and horizontally arranged on the top surface of the mounting rail 42, an output shaft of the driving motor 51 is arranged in the right direction or in the left direction, the transmission gear 54 is horizontally arranged below the mounting rail 42, a gear reversing transmission box 55 which is connected with the transmission gear and drives the transmission gear to rotate is arranged on the output shaft of the driving motor 51, the gear reversing transmission box 55 is a known technology and comprises a box body and a first bevel gear and a second bevel gear which are arranged in the box body, the first bevel gear is vertically arranged and is rotatably arranged in, the end of the first wheel axle is fixedly matched with the output shaft of the driving motor, the second bevel gear is flatly arranged and positioned below the first bevel gear and is meshed with the first bevel gear, the wheel center of the second bevel gear is fixedly provided with a second wheel axle, the lower end of the second wheel axle extends out of the box body and penetrates through the mounting rail 42, the transmission gear 54 is fixedly sleeved outside the end of the second wheel axle, the bottom surface of the sliding sleeve 44 is locked with a mounting block 441 used for mounting the carrying frame, the front end of the mounting block 441 of the sliding sleeve 44 positioned at the rear side extends to the position below the sliding sleeve 44 positioned at the front side, the back surface of the sliding sleeve 44 positioned at the front side is fixedly provided with a first rack 52 extending along the axial direction of the sliding sleeve, the teeth of the first rack 52 are arranged towards the rear, the front surface of the sliding sleeve 44 positioned at the rear side is fixedly provided with a second rack 53 extending along the axial direction of the sliding sleeve, the teeth of the second rack 53 are arranged towards the front, one end of the first rack 52 and one end, and the first rack 52 and the second rack 53 are distributed on the sliding rack left and right, namely the first rack 52 is on the left side, the second rack 53 is on the right side, or the first rack 52 is on the right side, the second rack 53 is on the left side, the top surface of the sliding sleeve 44 on the rear side is rotatably installed above the sliding sleeve 44 through a wheel lever, and a guide roller 56 is horizontally arranged, the cross beam of the installation bracket is located at the guide roller 56 and is locked and fixedly provided with a curved guide rail which extends from front to back to form an arc shape, and the guide roller 53 slides into the track of the curved guide rail through the left end port of the curved guide rail. When the door opening and closing device is used, the driving motor 51 rotates, the driving motor 51 drives the transmission gear 54 to rotate through the gear reversing transmission box 55, the rotation of the transmission gear 54 drives the first rack and the second rack 53 to translate, the first rack and the second rack are not on the same plane of the transmission gear, the rotation of the transmission gear drives the first rack and the second rack to move back and forth or move towards each other, the movement of the first rack and the second rack correspondingly drives the sliding sleeve 44 to slide, and the sliding of the sliding sleeve 44 can drive the single door bodies 1 to translate and slide through the door carrying frame 2 so as to realize the back-to-back translation door opening or opposite translation door closing of the two single door bodies 1; meanwhile, the guide roller 56 on the rear sliding sleeve 44 slides on the curved guide rail 33 correspondingly, at this time, the guide roller 56 slides in a radian form from front to back and then slides in a linear manner, or the guide roller 56 slides in a linear manner and then slides in a radian form from back to front, so that the guide roller 56 realizes the front and back translation of the door body when sliding in a radian form, and realizes the left and right translation of the door body when sliding in a linear manner, and finally realizes the opening and closing of the door body.

The front sides of the two fixing frames 41 are respectively provided with a synchronous swing arm 45, one end of each synchronous swing arm 45 is arranged on the front side of the fixing frame 41 in a manner of sliding up and down along the fixing frame 41, the other end of each synchronous swing arm 45 is sleeved outside the same swing arm shaft 46, the swing arm shafts 46 are horizontally arranged along the left-right direction, and two end parts of each swing arm shaft 46 are rotatably arranged on the mounting plate 31 of the sliding mounting frame of the sliding mounting of the sliding plug door; specifically, the synchronous swing arm 45 is a crank rod with a large end and a small end, the crank rod is vertically arranged in a backward tilting manner, the large end of the crank rod is fixedly sleeved outside the swing arm shaft 46, the small end of the crank rod is provided with a swing arm pin shaft 47, the swing arm pin shaft 46 is horizontally arranged along the left-right direction, the front end of the fixing frame 41 is provided with a strip-shaped through hole 412 which extends along the up-down direction and is positioned at the swing arm pin shaft, one end of the swing arm pin shaft 47 is tightly sleeved in the crank rod, and the other end of the swing arm pin shaft 46 is embedded and matched with and extends into the strip-shaped through; adopt above-mentioned structure to make the translation of mount 41 drive swing arm axle 46 through synchronous swing arm 45 and rotate, make actuating mechanism except the guide roller atress at the rear when making the horizontal translation of door stopper pulling in-process carriage, synchronous swing arm axle 45 in the place ahead can transmit this power to the place ahead, make actuating mechanism atress even in the horizontal direction, it is even steady to realize the door body at the assembly atress of two single door plants of opening in-process, further protect the operation of the door body steady, it makes the fore-and-aft translation of two mounts 41 keep synchronous steady motion all the time to utilize swing arm axle 46 again, guarantee the steady of door body operation once more.

The utility model discloses a synchronous drive mechanism of stopper sliding door has following beneficial effect:

the whole driving mechanism has few parts and is easy to install, and compared with the driving mechanism of the traditional sliding plug door, the opening degree of the car door can be larger;

secondly, the driving mechanism is arranged on the mounting rail, and most of components of the driving mechanism are arranged below the mounting rail, so that the structure and the position relation of the components are compact in layout, the whole structure is simple, the layout is compact, and excessive space cannot be occupied;

thirdly, each part in the whole mechanism is easy to disassemble and assemble, and is convenient to maintain and replace;

and fourthly, when the two fixing frames move, the two fixing frames are always kept synchronous by utilizing the matching of the two synchronous swing arms and the swing arm shaft, so that the opening and closing of the two door bodies of the sliding plug door are synchronously carried out, the operation is stable, and the stress of the driving mechanism is uniform in the uneven direction.

The product form of the present invention is not limited to the drawings and embodiments of the present application, and any person can properly change or modify the product form of the present invention without departing from the scope of the present invention.

Claims

1. The synchronous transmission mechanism of the sliding plug door is characterized by comprising two fixed frames which are oppositely arranged at a left and a right interval, and an installation rail and a guide sliding column which are arranged between the two fixed frames and extend along the left and right direction, wherein one surface of the two fixed frames, which is opposite to each other, is provided with a sliding part for the sliding installation of the fixed frames, the two guide sliding columns are arranged, the installation rail is arranged between the two guide sliding columns, the guide sliding columns are sleeved with sliding sleeves which horizontally move along the guide sliding columns left and right, and the installation rail is provided with a driving mechanism which drives the two sliding sleeves to horizontally move oppositely and drives the two fixed frames to synchronously move back and forth; the front side of two mounts all is equipped with synchronous swing arm, and the one end of above-mentioned synchronous swing arm is installed on the front side of mount with the mode that can follow mount gliding from top to bottom, and the other end of two synchronous swing arms is all established outside same swing arm axle, and this swing arm axle sets up along controlling the direction recumbent, and the both ends of swing arm axle rotate to be installed on the stopper sliding door is used for mount slidable mounting's installing support.

2. The synchronous drive mechanism of a sliding plug door according to claim 1, characterized in that: the fixing frames are of plate structures, the two fixing frames are vertically and oppositely arranged, pulleys are arranged at the end parts of the two fixing frames, the back surfaces of the two fixing frames are located on the guide sliding columns, the pulleys are sliding parts, and the pulleys are installed on the fixing frames through bolts.

3. The synchronous drive mechanism of a sliding plug door according to claim 2, characterized in that: the synchronous swing arm is a crank rod with one large end and the other small end, the large end of the crank rod is sleeved outside the swing arm shaft, a swing arm pin shaft is arranged at the small end of the crank rod and transversely arranged along the left-right direction, a strip-shaped through hole extending along the up-down direction is formed in the position, located at the swing arm pin shaft, of the front end of the fixing frame, one end of the swing arm pin shaft is sleeved in the crank rod, and the other end of the swing arm pin shaft extends into the strip-shaped through hole.

4. The synchronous drive mechanism of a sliding plug door according to claim 1, characterized in that: the driving mechanism is provided with a driving motor, a first rack, a second rack and a transmission gear, the driving motor is fixedly and horizontally arranged on the top surface of the mounting rail, an output shaft of the driving motor is arranged towards the left or the right, the transmission gear is horizontally arranged below the mounting rail, a gear reversing transmission box which is connected with the transmission gear and drives the transmission gear to rotate is arranged on the output shaft of the driving motor, a mounting block for mounting the sliding door carrying frame is locked on the bottom surface of the sliding sleeve, the back surface of the sliding sleeve at the front side is fixedly provided with the first rack extending along the axial direction of the sliding sleeve, teeth of the first rack are meshed with the transmission gear, the front surface of the sliding sleeve at the rear side is fixedly provided with the second rack extending along the axial direction of the sliding sleeve, teeth of the second rack are meshed with the transmission gear, and the first rack and the second rack are distributed leftwards and rightwards relative to the mounting rail, the top surface of the sliding sleeve at the rear side is rotatably provided with a guide roller which is horizontally arranged.