CN110552579A - Door drive arrangement and have its door assembly and rail vehicle of rail vehicle - Google Patents

Abstract

The invention discloses a vehicle door driving device of a rail vehicle, a vehicle door assembly having the same, and the rail vehicle. The vehicle door driving device of the rail vehicle comprises: a bracket, a guide rod and a door carrying frame assembly. The bracket is used for connecting with the vehicle body, and the guide The rod is mounted on the bracket and extends in the longitudinal direction, the door carrier assembly includes a connecting rod and a door carrier for installing the door, the door carrier and the bracket are connected by a guide sliding mechanism, and the guiding sliding mechanism has a first part extending in the longitudinal direction and a door carrier. The second part extends along the second direction, the second direction has longitudinal and transverse components, one end of the connecting rod is pivotally connected to the guide rod, and can slide longitudinally relative to the guide rod, and the other end of the connecting rod is connected to the carrying rod. The door frame is pivotally connected. According to the vehicle door drive device of the present invention, by arranging a bracket, a guide rod and a door carrying frame assembly, and a guide sliding mechanism and a connecting rod are arranged on the door carrying frame assembly, the door drive can be realized When the sliding door frame is moved, it can still slide longitudinally stably.

Description

Door drive for rail vehicle and door assembly having the same and rail vehicle

technical field

The invention belongs to the technical field of rail vehicles, and in particular, relates to a vehicle door drive device of a rail vehicle, a vehicle door assembly having the same, and a rail vehicle.

Background technique

In the related art, the door driving device adopts the belt drive mode, but the belt has a short life and cannot transmit high power. When overloaded, it is easy to slip, so that the door driving device cannot guarantee an accurate transmission ratio, which leads to the movement of the left and right door leaves. Processes tend to be unstable or out of sync.

SUMMARY OF THE INVENTION

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a door drive device for a rail vehicle which can have a stable transmission ratio and have better anti-torsion capability.

The invention also provides a rail vehicle having the door drive device of the rail vehicle.

The door drive device for a rail vehicle according to the present invention includes: a bracket for connecting with a vehicle body; a guide rod mounted on the bracket and extending in a longitudinal direction; a door carrier assembly, the door carrying The frame assembly includes a connecting rod and a door carrying frame for installing the door, the door carrying frame and the bracket are connected by a guide sliding mechanism, the guide sliding mechanism has a first part extending in a longitudinal direction and extending in a second direction The second part of the second direction has longitudinal and lateral components, one end of the connecting rod is pivotally connected to the guide rod, and can slide longitudinally relative to the guide rod, and the other end of the connecting rod is pivotally connected to the guide rod. One end is pivotally connected to the door carrier.

According to the door drive device of the rail vehicle of the present invention, by arranging a bracket, a guide rod and a door carrying frame assembly, and a guide sliding mechanism and a connecting rod are arranged on the door carrying frame assembly, so that the plug-type door drive can be carried When the gantry plug moves, it can still slide longitudinally stably.

In some embodiments, the door carrier assembly includes a first door carrier assembly and a second door carrier assembly; the first door carrier assembly includes a first link and a first door for mounting a first door A door carrier; the second door carrier assembly includes a second link and a second door carrier for installing a second vehicle door.

In some embodiments, the door drive device of a rail vehicle further includes: a first rack and a second rack, the first rack is connected to the first door carrier, and the second rack is connected to the The second gantry is connected to the gear; the first rack and the second rack are meshed with the gear, and the gear is located on the tooth surface of the first rack and the second rack Between the tooth surfaces; a driving unit, one of the first door carrier, the second door carrier and the gear is connected with the driving unit.

In some embodiments, the first rack and the second rack are arranged in parallel, and the tooth surfaces of the first rack and the second rack are arranged opposite to each other.

In some embodiments, the bracket is provided with a first sliding groove and a second sliding groove extending in the longitudinal direction, the first rack is provided with a first sliding portion, and the first sliding portion is connected with the first sliding portion. The grooves are slidably connected, the second rack is provided with a second sliding part, and the second sliding part is slidably connected with the second chute.

In some embodiments, the first chute and the second chute are vertically spaced apart, and the projections on the horizontal plane have overlapping regions.

In some embodiments, the first sliding portion and the second sliding portion each include a plurality of longitudinally spaced apart.

In some embodiments, the bracket includes: a first horizontal plate, a second horizontal plate, a guide plate and two end plates,

The first horizontal plate and the second horizontal plate are arranged opposite each other and their normals are in the vertical direction, the upper edge of the guide plate is connected with the inner side of the first horizontal plate, and the lower edge of the guide plate The edge is connected to the inner side of the second horizontal plate, the normal line of the guide plate is in the transverse direction, the first chute and the second chute are arranged on the guide plate, and the two end plates They are respectively connected to the two ends of the first horizontal plate and the second horizontal plate, the normal line of the end plate is along the longitudinal direction, and the two ends of the guide rod are respectively connected to the two end plates.

In some embodiments, when one of the first portal carriage and the second portal carriage is connected to the drive unit, the drive unit includes: a drive motor and a lead screw mechanism, the drive motor Connected with the lead screw of the lead screw mechanism, and the nut of the lead screw mechanism is connected with the one of the first door carrier and the second door carrier.

In some embodiments, when the drive unit is connected to the gear, the drive unit includes a drive motor and a speed reducer, the drive motor is connected to the speed reducer, and the speed reducer is connected to the gear .

In some embodiments, each of the first link and the second link includes a connecting seat, the connecting seat of the first link is connected to the first rack, and the second link has a connecting seat. The connecting seat is connected with the second rack; the connecting rod body, the first end of the connecting rod body and the connecting seat are both pivotably connected with the guide rod; the pin shaft, the first connecting rod The second end of the connecting rod body is pivotally connected to the first door carrier through the pin shaft of the first connecting rod, and the second end of the connecting rod body of the second connecting rod is pivotally connected. The two ends are pivotally connected to the second door carrier through the pin shaft of the second link.

In some embodiments, the connecting seat has two oppositely arranged lugs, the first end of the link body is located between the two lugs, the first end of the link body and the Each of the lugs has a through hole for sleeved with the guide rod.

In some embodiments, each of the first connecting rod and the second connecting rod includes: a bearing, and the pin is fixedly connected with the corresponding first and second portal frames, so The bearing is sleeved outside the pin shaft, and the second end of the connecting rod body is sleeved outside the bearing.

In some embodiments, the guide sliding mechanism includes a plug rail provided on the bracket and a guide portion provided on the door carrying frame; wherein the plug guide includes a longitudinal section and a plug section, and the plug One end of the pull section is connected to one end of the longitudinal section, the longitudinal section extends in the longitudinal direction, the plug section extends in the second direction, and the plug section extends from the end connected to the longitudinal section to The other end extends obliquely inward in the lateral direction.

In some embodiments, the connecting rod includes: a connecting rod arm; a sleeve, the sleeve is connected to one end of the connecting rod arm and is sleeved outside the guide rod, and the sleeve is connected to the clearance fit of the guide rod; a collar, the collar is connected with the other end of the link arm, the door carrier has a connection shaft, the collar is sleeved outside the connection shaft, and the collar is connected to the other end of the link arm. The connecting shaft is clearance fit.

In some embodiments, the guide rod is cylindrical, and the sleeve is cylindrical.

In some embodiments, the connecting shafts are provided on opposite sides of the door carrier in the longitudinal direction, the number of the collars is two, and the two collars are spaced apart from each other in the longitudinal direction, and the two The collars are in one-to-one correspondence with the two connecting shafts.

The vehicle door assembly according to the present invention includes a vehicle door and a vehicle door drive device according to the present invention, the vehicle door is connected to the door carrier assembly, and the vehicle door assembly has the corresponding advantages by having the vehicle door drive device of the present invention. No longer.

The present invention also provides a rail vehicle including the vehicle door assembly according to the embodiment of the present invention.

The rail vehicle according to the present invention includes the door assembly according to the present invention, thereby having the same advantages, which will not be repeated here.

Additional aspects and advantages of the present invention will be set forth, in part, from the following description, and in part will be apparent from the following description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of embodiments taken in conjunction with the accompanying drawings, wherein:

1 is a front view of a door drive device of a rail vehicle according to an embodiment of the present invention;

FIG. 2 is a rear view of a door drive device of a rail vehicle according to an embodiment of the present invention;

3 is a cross-sectional view of a door drive device for a rail vehicle according to an embodiment of the present invention;

4 is a disassembled view of a door drive device of a rail vehicle according to an embodiment of the present invention;

5 is a schematic structural diagram of a connecting rod according to an embodiment of the present invention (showing a door carrier);

FIG. 6 is an exploded view of a door drive device of a rail vehicle according to another embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a second link according to an embodiment of the present invention (showing a second door carrier);

8 is a front view of a second link (showing a second door carrier) according to an embodiment of the present invention;

FIG. 9 is a cross-sectional view at B-B of FIG. 8 .

Reference number:

A door drive device 100 for a rail vehicle;

The first horizontal plate 11; the second horizontal plate 12; the end plate 13; the guide plate 14; the first chute 101; the second chute 102;

guide rod 2;

Door carrying frame assembly 3; door carrying frame 31; first door carrying frame 311; second door carrying frame 312; guide part 313; connecting shaft 314; connecting rod 32; sleeve 321; collar 322; connecting rod arm 323; The first connecting rod 33; the second connecting rod 34; the connecting seat 301; the lug 3011; the two rod bodies 302; the pin shaft 303; the bearing 304;

rack 4; first rack 41; first sliding part 411; second rack 42; second sliding part 421;

gear 5;

drive unit 6; drive motor 61; screw 62;

Cella rail 7; first cella rail 71; first longitudinal section 711; first cella section 712; second cella rail 72; second longitudinal section 721;

Detailed ways

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, only used to explain the present invention, and should not be construed as a limitation of the present invention.

In the description of the present invention, it should 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, Axial, The orientations or positional relationships indicated by "radial direction", "circumferential direction", etc. are based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated devices or elements. It must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention. Furthermore, features delimited with "first", "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

The following describes a door driving device 100 for a rail vehicle according to an embodiment of the present invention with reference to FIGS. 1-9 . As shown in FIGS. 1-9 , the door driving device 100 for a rail vehicle according to an embodiment of the present invention includes: a bracket, a guide rod 2 and the door carrier assembly 3.

The bracket is used for connecting with the vehicle body. In some embodiments, the bracket can be connected with the vehicle body bottom frame of the rail vehicle or the vehicle inner roof panel of the rail vehicle. The guide rod 2 is mounted on the bracket and extends in the longitudinal direction. The door carrier assembly 3 includes The connecting rod 32 and the door carrier 31 for installing the door, the door carrier 31 is used to connect the door, and the guide rod 2 is used to guide the door carrier assembly 3, so that the door carrier assembly 3 can be relative to the vehicle The body moves in the longitudinal direction, so that the door connected to the door carrying frame 31 is moved longitudinally relative to the car body to realize the opening and closing of the door. The first part and the second part extending along the second direction, the second direction has longitudinal and lateral components, and the first part of the guide sliding mechanism is used for longitudinally guiding the door carrier 31 to make the door relative to the longitudinal direction of the vehicle body The second part of the guide sliding mechanism is used to guide the door carrier 31 in the lateral and longitudinal directions, so that the door carrier 31 moves laterally while moving longitudinally relative to the vehicle body, that is, To realize the plug movement of the vehicle door, combined with the sliding fit of the door carrying frame 31 along the longitudinal direction of the bracket, the vehicle door can be opened or closed by plugging.

The X-axis direction is the length direction of the rail vehicle, that is, the longitudinal direction; the Y-axis direction is the width direction of the rail vehicle, that is, the horizontal direction; the Z-axis direction is the height direction of the rail vehicle, that is, the vertical direction. -Description of X-axis direction, Y-axis direction, Z-axis direction in FIG. 9 .

Thereby, the door carrier 31 moves relative to the vehicle body in the width direction of the vehicle, so that the plug movement of the vehicle door can be realized, that is, the vehicle door moves in the direction away from or close to the vehicle body in the lateral direction. When the vehicle door is opened, the door carrier 31 is relatively moved in the longitudinal direction to open the door, the door carrier 31 drives the door to move in the lateral direction, so that the door extends out of the door frame in the lateral direction, and further moves along the length direction of the vehicle body to open the door, when the door is closed , while the door-carrying frame 31 is relatively moved in the longitudinal direction to close the vehicle door, the door-carrying frame 31 drives the vehicle door to move in the lateral direction, so that the vehicle door extends into the door frame in the lateral direction, and further moves along the length direction of the vehicle body to close the vehicle door, so that the door closes tightly on the door frame.

One end of the connecting rod 32 is pivotally connected to the guide rod 2, and can slide longitudinally relative to the guide rod 2, and the other end of the connecting rod 32 is pivotally connected to the door carrying frame 31. The door frame 31 is slidably connected with the bracket. When the connecting rod 32 slides on the guide rod 2 in the longitudinal direction, the door carrier 31 can move along the longitudinal direction together with the guide rod 2 to open or close the door. In the process, the door needs to do the plug movement, the connecting rod 32 is pivotally connected with the guide rod 2, and the connecting rod 32 is pivotally connected with the door carrier 31, so that when the door is in the plug movement, the The connecting rod 32 is rotated relative to the door carrier 31, and the connecting rod 32 is rotated relative to the guide rod 2, so that the door carrier 31 can extend out of the bracket to complete the plug-pulling movement of the vehicle door.

According to the vehicle door driving device of the rail vehicle according to the embodiment of the present invention, by arranging the bracket, the guide rod 2 and the door carrier assembly 3, and arranging the guide sliding mechanism and the connecting rod 32 on the door carrier assembly 3, the plug-in type The door driver can still stably slide longitudinally when it realizes the sliding movement of the door frame.

In some embodiments, when one door of the rail vehicle has two doors, the door carrier assembly 3 may include a first door carrier assembly and a second door carrier assembly, the first door carrier assembly including a first link and a first door carrier 311 for mounting the first door, the second door carrier assembly includes a second link and a second door carrier 312 for mounting the second door, when the door is opened or closed, the first door The door carrier assembly and the second door carrier assembly can simultaneously and reversely move in the longitudinal direction to open or close the vehicle door.

Of course, one door of the rail vehicle may also have only one door. In this case, the door carrier assembly 3 may only include the first door carrier assembly, and the first door carrier assembly includes the first connecting rod and the first The first door carrier 311 of the vehicle door.

In some embodiments, when the rail vehicle door includes two doors, the rail vehicle may include a first door and a second door, the first door and the second door may be a pair of left and right sliding doors of the rail vehicle, the first door The door carrier 311 is used for installing the first door, and the second door carrier 312 is used for installing the second door. The door driving device 100 of the rail vehicle may further include: a first rack 41 , a second rack 42 , a gear 5 and drive unit 6.

The first rack 41 is connected to the first door carrier 311, the second rack 42 is connected to the second door carrier 312, both the first rack 41 and the second rack 42 are engaged with the gear 5, and the gear 5 is located in the Between the tooth surface of a rack 41 and the tooth surface of the second rack 42, that is, the first rack 41 and the second rack 42 are located on both sides of the radial direction of the gear 5, and the first rack 41 and the second rack The bars 42 are arranged opposite to each other in the radial direction, and one of the first door carrier 311 , the second door carrier 312 and the gear 5 is connected to the drive unit 6 .

The first rack 41 , the second rack 42 and the gear 5 are used to realize the synchronous reverse movement of the two doors. The following describes the specific details of the first rack 41 , the second rack 42 and the gear 5 according to FIGS. 1 to 9 . work process.

In some embodiments, when one of the first gantry 311 and the second gantry 312 is connected to the drive unit 6, the drive unit 6 includes a drive motor 61 and a lead screw mechanism, and the drive motor 61 and the lead screw mechanism The lead screw 62 is connected to the lead screw mechanism, and the nut of the lead screw mechanism is connected to one of the first door carrying frame 311 and the second door carrying frame 312. 61 When the lead screw 62 is driven to rotate, the nut matched with the lead screw 62 moves in the longitudinal direction, thereby causing the first door carrier 311 connected with the nut to move in the longitudinal direction, and the first rack 41 connected with the first door carrier 311 along the longitudinal direction. When moving longitudinally, the first rack 41 drives the gear 5 meshed with the first rack 41 to rotate, and the gear 5 drives the second rack 42 to move in the opposite direction of the first rack 41 in the longitudinal direction. 312 moves in the opposite direction to the moving direction of the first door carrying frame 311, and finally makes the first door and the second door move in the opposite direction to realize the opening and closing of the door. The response is quick and smooth, so that the door driving device 100 can have corresponding advantages.

When the driving unit 6 is connected to one of the first door carrying frame 311 and the second door carrying frame 312 , taking the driving unit 6 driving the first door carrying frame 311 as an example, when the driving unit 6 drives the first door carrying frame 311 When the first rack 41 moves in the direction of the second rack 42, the first gantry 311 moves in the direction of the second gantry 312. In some examples, a gear shaft may be installed on the guide plate 14, and the gear 5 It can be installed on the gear shaft and rotate around the axis of the gear shaft. The gear 5 can be annular, the gear 5 can be sleeved outside the gear shaft, and the outer peripheral surface of the gear 5 is the tooth surface. Since the gear 5 meshes with the first rack 41 and the second rack 42 respectively, the first rack 41 drives the gear 5 to rotate around the pinion shaft, and the gear 5 transmits the driving force to the second rack 42 due to the meshing action, and the second The rack 42 moves in the direction of the first rack 41 , thereby causing the second door carrier 312 to move in the direction of the first door carrier 311 . In this way, the first door carrier 311 drives the first door to the second door carrier 312 The second door carrying frame 312 drives the second door to move in the direction of the first door carrying frame 311, thereby realizing the closing of the rail vehicle door.

In other embodiments, when the drive unit 6 is connected to the gear 5, the drive unit 6 includes: a drive motor 61 and a reducer, the drive motor 61 is connected to the reducer, the reducer is connected to the gear 5, and the rotation of the drive motor 61 is decelerated The deceleration of the gear 5 is then transmitted to the gear 5. When the gear 5 rotates, the gear 5 drives the first rack 41 and the second rack 42 to move, thereby causing the first carriage 311 and the second carriage 312 to move longitudinally, and finally The door can be moved in the longitudinal direction, and the first rack 41 and the second rack 42 are driven by the gear 5, which has high coordination sensitivity, high transmission efficiency, and rapid and stable response, so that the door driving device 100 can have corresponding advantages. And only by adjusting the rotational speed ratio between the drive motor 61 and the speed reducer, the rotational speed of the gear 5 can be controlled, and the speed of opening and closing of the vehicle door can be further controlled.

When the driving unit 6 is connected with the gear 5, when the driving unit 6 drives the gear 5 to rotate in the first direction, due to the meshing effect of the gear 5, the first rack 41 and the second rack 42 are driven by the gear 5 to move toward each other. Moving in the direction away from each other, thereby driving the first door carrying frame 311 and the second door carrying frame 312 to move away from each other, so that the vehicle door can be opened. When the driving unit 6 drives the gear 5 to rotate in the second direction, due to the meshing effect of the gear 5, the first rack 41 and the second rack 42 move toward each other under the driving of the gear 5, thereby driving the first rack 41 and the second rack 42 to move toward each other. The door frame 311 and the second door carrier 312 are close to each other, so that the vehicle door can be closed.

During the movement of the rack 4 driven by the gear 5 , since the first rack 41 is mounted on the first gantry 311 , the second rack 42 is mounted on the second gantry 312 , and is mounted on the first gantry 311 There is a first door, a second door is installed on the second door carrying frame 312, the drive unit 6 drives the gear 5 to rotate, so that the rail vehicle door can be opened and closed, and the drive unit 6 only needs to change the rotation direction of the gear 5. Realize the switching of the door in the open or closed state. The two vehicle doors are symmetrically arranged relative to the driving unit 6, and the two vehicle doors can be driven synchronously, and the overall stability of the vehicle door driving device 100 is good.

In some embodiments, the first rack 41 and the second rack 42 are arranged in parallel, and the tooth surfaces of the first rack 41 and the second rack 42 are arranged opposite to each other, so that the first rack 41 and the second rack 42 can be guaranteed The driving force transmitted by the rack 42 can be parallel, thereby ensuring that the first door carrier 311 and the second door carrier 312 can move synchronously in anti-parallel, so that the first door and the second door can be opened and closed smoothly.

In some embodiments, the bracket is provided with a first sliding groove 101 and a second sliding groove 102 extending in the longitudinal direction, the first rack 41 is provided with a first sliding portion 411 , and the first sliding portion 411 slides with the first sliding groove 101 connected, the second rack 42 is provided with a second sliding portion 421, and the second sliding portion 421 is connected to the second

The sliding grooves 102 are slidably connected, the first sliding groove 101 plays a role of guiding the first door carrying frame 311 in the longitudinal direction, and the second sliding groove 102 plays a role of guiding the second door carrying frame 312 in the longitudinal direction. The sliding part 411 is slidingly matched with the first sliding slot 101 , and the second sliding part 421 is slidingly matched with the second sliding slot 102 , so that the first door carrying frame 311 and the second door carrying frame 312 can be slidably connected relative to the bracket in the longitudinal direction.

In some examples, both the first sliding part 411 and the second sliding part 421 are rollers, the first sliding part 411 is connected with the side surface of the first rack 41 , the second sliding part 421 is connected with the side surface of the second rack 42 , The chute is arranged on the side of the bracket facing the first rack 41 and the second rack 42, and the rollers roll in the chute to guide the first door carrier 311 or the second door carrier 312 Therefore, the matching structure of the roller and the chute is simple, the guiding effect is good, and the frictional force is small, so that the structure of the door driving device 100 has corresponding advantages.

In some embodiments, as shown in FIG. 2 and FIG. 4 , the first chute 101 and the second chute 102 are vertically spaced apart, and the projections on the horizontal plane have overlapping areas. The length of the slot 101 and the second chute 102 can also reduce the longitudinal dimension of the bracket, thereby reducing the longitudinal dimension of the door drive device 100, so that the door drive device 100 occupies a small space, which is convenient for use in rail vehicles. the arrangement above.

In some embodiments, as shown in FIG. 2 , each of the first sliding portion 411 and the second sliding portion 421 includes a plurality of, eg, two, a plurality of first sliding portions 411 and a plurality of second sliding portions 411 and a plurality of second sliding portions spaced apart in the longitudinal direction. The arrangement of the sliding part 421 can further enhance the guiding effect of the first sliding part 411 on the first rack 41 and the guiding effect of the second sliding part 421 on the second rack 42, so that the first rack 41 and the second The movement of the strip 42 may be smoother. In addition, the lateral torsion resistance of the door driving device 100 can be enhanced by arranging a plurality of the first sliding parts 411 and the second sliding parts 421 .

In some embodiments, as shown in FIGS. 1-4 , the bracket may include: a first horizontal plate 11 , a second horizontal plate 12 , a guide plate 14 and two end plates 13 , the first horizontal plate 11 , the second horizontal plate 11 , the second horizontal plate 12 The plates 12 are arranged opposite to each other and the normal lines are in the vertical direction. The upper edge of the guide plate 14 is connected with the inner side of the first horizontal plate 11, and the lower edge of the guide plate 14 is connected with the inner side of the second horizontal plate 12. The normal line of 14 is in the transverse direction, the first chute 101 and the second chute 102 are provided on the guide plate 14, and the two end plates 13 are respectively connected to the two ends of the first horizontal plate 11 and the second horizontal plate 12, and the end plate 13 The normal line is along the longitudinal direction, and both ends of the guide rod 2 are connected to the two end plates 13 respectively.

The guide plate 14 provided with the first chute 101 and the second chute 102 is used to guide the first rack 41 and the second rack 42, and the first horizontal plate 11, the second horizontal plate 12, the guide plate 14 and the two end plates 13 together form a box-shaped accommodating space whose lateral outer ends are open. When the door drive device 100 is installed on the chassis of the vehicle body, the box-shaped accommodating space can take the second horizontal plate 12 as the accommodating space. The upper wall, and the second horizontal plate 12 is connected to the chassis of the vehicle body, the first horizontal plate 11 is the lower wall, the two end plates 13 and the guide plate 14 are the side walls, when the door driving device 100 is installed on the inner top plate of the vehicle , the box-shaped accommodating space can take the second horizontal plate 12 as the lower wall, and the second horizontal plate 12 is connected with the roof panel on the inside of the vehicle, the first horizontal plate 11 is the upper wall, and the two end plates 13 and the guide plate 14 serve as the side walls The box-shaped accommodating space is open toward one side of the door, and other components of the door driving device 100 can be arranged in the accommodating space, thereby facilitating the arrangement of the door driving device 100 and protecting other components.

In some embodiments, as shown in FIG. 4 , the guide sliding mechanism includes a plug guide 7 provided on the bracket and a guide portion 313 provided on the door carrying frame 31 ; wherein the plug guide 7 includes a longitudinal section 71 and a plug section 72 One end of the plug section 72 is connected to one end of the longitudinal section 71, the longitudinal section 71 extends in the longitudinal direction, the plug section 72 extends in the second direction, and the plug section 72 extends laterally from one end connected to the longitudinal section 71 to the other end The inner side extends obliquely, and the inner side is the side close to the body.

In some examples, as shown in FIG. 4 , the plug rails 7 may be provided on the second horizontal plate 12 .

As shown in FIG. 4 , the following describes the matching process of the plug guide rail 7 and the guide portion 313 by taking a rail vehicle door having two doors as an example.

When the rail vehicle has two doors, the doors may include a first door and a second door, and at the same time, the components cooperating with the first door may include a first door carrier 311 , a first guide portion 313 and a first slide rail 71 , the components matched with the second door may include a second door carrier 312 , a second guide portion 313 and a second plug guide rail 72 .

Therefore, when the door is gradually opened from the closed state, the first door is moved away from the second door in the longitudinal direction under the guiding action of the first guide portion 313 of the first door carrier 311 and the first plug section 712 . When the frame 312 moves, it moves in the lateral direction away from the vehicle body, that is, the first door carrying frame 311 moves along the trajectory of the first plug section 712, so as to realize the plug movement of the first door carrying frame 311 and make the first door carrying frame 311 move away from the vehicle body. A door carrier 311 drives the first door to move away from the door frame in the lateral direction, so that the first door can further move longitudinally in the longitudinal direction. When the first guide portion 313 of the first door carrier 311 moves to the longitudinal section 71, Once the door carrier 311 completes the plug movement, the first sliding portion 411 of the first door carrier 311 moves in the longitudinal direction away from the second door under the guiding action of the first longitudinal section 711, so that the first door is further When the first door is opened, the opening of the first door is finally completed, and the opposite is true when the first door is closed.

The second sierra rail 72 includes a second longitudinal section 721 and a second sierra section 722 , an end of the second sierra section 722 facing away from the first sierra rail 71 and an end of the second longitudinal section 721 close to the first sierra rail 71 In connection, the second longitudinal section 721 extends in the longitudinal direction, and the second plug section 722 extends from one end connected with the second longitudinal section 721 to the other end inclined laterally inward.

Therefore, when the vehicle door is gradually opened from the closed state, the second vehicle door moves away from the second vehicle door in the longitudinal direction under the guiding action of the second guide portion 313 of the second door carrier frame 312 and the second plug section 722 . When the frame 312 moves, it moves in the direction away from the vehicle body in the lateral direction, that is, the second door carrying frame 312 moves along the trajectory of the second plug section 722, so as to realize the plug movement of the second door carrying frame 312, so that the The second door carrier 312 drives the second door to move away from the door frame in the lateral direction, so that the second door can further move longitudinally in the longitudinal direction. When the second guide portion 313 of the second door carrier 312 moves to the longitudinal section 71 The second door carrier 312 completes the plug movement, and the second sliding portion 421 of the second door carrier 312 moves in the longitudinal direction away from the second door under the guidance of the second longitudinal section 721, so that the second door is further When the second door is opened, the opening of the second door is finally completed, and the opposite is true when the second door is closed.

In some examples, the first guide part 313 and the second guide part 313 may include rollers, and the rollers are rolled in the first terry guide 71 or the second tee guide 72, so as to realize the first door carrier 311 or The guiding function of the second door carrier 312, the cooperation structure between the roller and the plug guide 7 is simple, the guiding effect is good, and the friction force is small, so that the structure of the door driving device 10000 has corresponding advantages.

In some embodiments, as shown in FIGS. 4 and 5 , the connecting rod 32 may include: a connecting rod arm 323 , a sleeve 321 and a collar 322 . The sleeve 321 is connected to one end of the connecting rod arm 323 and is sleeved on the connecting rod arm 323 . Outside the guide rod 2, the sleeve 321 is in clearance fit with the guide rod 2, that is, the sleeve 321 is arranged to realize the pivotal cooperation between the guide rod 2 and the link arm 323, and the collar 322 is connected with the other end of the link arm 323. The door-carrying frame 31 has a connecting shaft 314 , a collar 322 is sleeved on the outside of the connecting shaft 314 , and the collar 322 is in clearance fit with the connecting shaft 314 . Cooperate.

Therefore, when the door-carrying frame 31 performs the plug-and-pull movement under the action of the plug-in guide rail 7, the link arm 323 rotates relative to the guide rod 2, and the door-carrying frame 31 rotates relative to the guide rod 2, so that the connecting rod 32 can drive the port-carrying rod 2. The door frame 31 protrudes laterally from the open end of the accommodating space formed by the first horizontal plate 11 , the second horizontal plate 12 , the guide plate 14 and the two end plates 13 , thereby realizing the plug-pulling movement of the door. The connecting rod 32 is pivotally connected with the door carrying frame 31, so that the door can be moved in translation, so that the door will not tilt during the plug movement, and the posture of the door panel is consistent with the vehicle body. , and then effectively press and seal with the entire circumference of the door frame.

In some embodiments, the guide rod 2 is cylindrical, and the sleeve 321 is in the shape of a circular tube. In this way, the guide rod 2 and the sleeve 321 can be pivotally connected to each other, and the cylindrical guide rod 2 is connected to the cylindrical sleeve. The matching form of 321 is simple in structure, thereby facilitating the production and assembly of the door drive device 100. Since the sleeve 321 is sleeved on the guide rod 2, the assembly of the guide rod 2 and the sleeve 321 is realized, so that the guide rod 2 and the sleeve 321 are assembled. The connection area is larger, which can make the anti-torsion ability of the guide rod 2 and the sleeve 321 stronger when connecting, and can ensure the anti-torsion of the door driving device 100 in the lateral and vertical directions.

In some embodiments, connecting shafts 314 are provided on opposite sides of the door carrier 31 in the longitudinal direction. The two connecting shafts 314 are in one-to-one correspondence, and the matching manner of the two collars 322 and the two connecting shafts 314 can not only realize the pivotal cooperation between the portal frame 31 and the link arm 323, but also the two collars 322 can be used for the connecting rod. The arm 323 plays a limiting role. Since the link arm 323 needs to drive the door carrier 31 to move longitudinally relative to the vehicle body, the two collars 322 are used to transmit the driving force on the link arm 323 to the door carrier 31, In addition, the two collars 322 can also play a role in enhancing the connection strength between the link arm 323 and the door carrying frame 31, thereby enhancing the reliability of the structure there.

In other embodiments, as shown in FIGS. 6-9 , the first connecting rod 33 and the second connecting rod 34 each include: a connecting seat 301 , a connecting rod body 302 and a pin shaft 303 , and the connection of the first connecting rod 33 The seat 301 is connected with the first rack 41, and the connecting seat 301 of the second link 34 is connected with the second rack 42, so that the first rack 41 can drive the first link 33, and the second rack 42 can drive the second rack 42. The connecting rod 34, the first end of the connecting rod body 302 and the connecting seat 301 are pivotally connected with the guide rod 2, and the guide rod 2 can guide the first connecting rod 33 and the second connecting rod 34. The second end of the link body 302 of a link 33 is pivotally connected to the first portal frame 411 through the pin shaft 303 of the first link 33 , and the second end of the link body 302 of the second link 34 is pivotally connected The pin shaft 303 of the second link 34 is pivotally connected to the second door carrying frame 412, so that when the first door carrying frame 411 and the second door carrying frame 412 perform the plug movement, the link body 302 It can be rotated relative to the connecting base 301 and the first door carrier 411, so that the first rack 41 and the second rack 42 can be driven during the sliding movement of the first door carrier 411 and the second door carrier 412. Longitudinal movement of the first door carrier 411 and the second door carrier 412 .

FIG. 6 to FIG. 9 only show the structure of the second connecting rod 34 , and the structure of the first connecting rod 33 is the same as that of the second connecting rod 34 .

In some embodiments, as shown in FIGS. 6-9 , the connecting base 301 has two oppositely arranged lugs 3011 , the first end of the link body 302 is located between the two lugs 3011 , and the Both the first end and the lugs 3011 have through holes for sleeves of the guide rods 2. The arrangement of the two lugs 3011 realizes the connection between the connecting rod body 302 and the connecting seat 301, and the two lugs 3011 can serve as a pair of The limit function of the connecting rod body 302 in the longitudinal direction.

In some embodiments, as shown in FIGS. 7-9 , the first connecting rod 33 and the second connecting rod 34 each include: a bearing 304 , a pin 303 and the corresponding first and second door-carrying brackets 411 and 411 . 412 is fixedly connected, the bearing 304 is sleeved outside the pin shaft 303, the second end of the connecting rod body 302 is sleeved outside the bearing 304, the number of bearings 304 can be multiple, and the multiple bearings 304 are spaced apart along the axial direction of the pin shaft 303 The arrangement of the pin shaft 303 and the bearing 304 realizes the pivotable connection of the first link 33 relative to the first portal frame 411 and the second link 34 relative to the second portal frame 412 .

The vehicle door assembly according to the present invention includes a vehicle door and a vehicle door drive device according to the present invention, the vehicle door is connected with the door carrier assembly 3 , and the vehicle door assembly has the corresponding advantages by having the vehicle door drive device 100 of the present invention, which will not be omitted here. Repeat.

The rail vehicle according to the present invention includes the door assembly according to the present invention, thereby having the same advantages, which will not be repeated here.

In the description of this specification, reference to the terms "one embodiment," "some embodiments," "exemplary embodiment," "example," "specific example," or "some examples", etc., is meant to incorporate the embodiments A particular feature, structure, material, or characteristic described by an example or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

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

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

Claims (19)

1. A door drive device of a rail vehicle, characterized in that, comprising: a bracket, the bracket is used for connecting with the vehicle body; a guide rod, the guide rod is mounted on the bracket and extends longitudinally; A door carrying frame assembly, the door carrying frame assembly includes a connecting rod and a door carrying frame for installing a vehicle door, the door carrying frame and the bracket are connected by a guide sliding mechanism, and the guide sliding mechanism has a longitudinal extension. and a second portion extending along a second direction, the second direction having longitudinal and lateral components, one end of the link is pivotally connected to the guide rod, and can be relative to the guide rod along the Sliding longitudinally, the other end of the connecting rod is pivotally connected to the door carrying frame. 2. The door drive device of a rail vehicle according to claim 1, wherein the door carrier assembly comprises a first door carrier assembly and a second door carrier assembly; The first door carrier assembly includes a first link and a first door carrier for mounting the first door; The second door carrier assembly includes a second link and a second door carrier for mounting a second door. 3. The door drive device of a rail vehicle according to claim 2, characterized in that, further comprising: a first rack and a second rack, the first rack is connected with the first door carrier, and the second rack is connected with the second door carrier; a gear, the first rack and the second rack are meshed with the gear, and the gear is located between the tooth surface of the first rack and the tooth surface of the second rack; A drive unit, one of the first gantry, the second gantry and the gear is connected to the drive unit. 4 . The vehicle door driving device for a rail vehicle according to claim 3 , wherein the first rack and the second rack are arranged in parallel, and the first rack and the second rack are arranged in parallel. 5 . The tooth surfaces are set relative to each other. 5 . The door drive device of a rail vehicle according to claim 3 , wherein the bracket is provided with a first chute and a second chute extending in the longitudinal direction, and the first rack is provided with a first sliding slot. 6 . The first sliding part is slidably connected with the first chute, the second rack is provided with a second sliding part, and the second sliding part is slidably connected with the second chute. 6 . The door driving device of a rail vehicle according to claim 5 , wherein the first chute and the second chute are vertically spaced apart, and the projections on the horizontal plane have overlapping regions. 7 . 7 . The door driving device for a rail vehicle according to claim 5 , wherein the first sliding portion and the second sliding portion each comprise a plurality of longitudinally spaced apart. 8 . 8 . The door driving device of a rail vehicle according to claim 5 , wherein the bracket comprises: a first horizontal plate, a second horizontal plate, a guide plate and two end plates, the first horizontal plate, The second horizontal plates are opposite to each other and their normals are in the vertical direction, the upper edge of the guide plate is connected to the inner side of the first horizontal plate, and the lower edge of the guide plate is connected to the second horizontal plate. The inner sides of the plates are connected, the normal line of the guide plate is in the transverse direction, the first chute and the second chute are arranged on the guide plate, and the two end plates are respectively connected to the first At both ends of the horizontal plate and the second horizontal plate, the normal line of the end plate is along the longitudinal direction, and the two ends of the guide rod are respectively connected with the two end plates. 9 . The vehicle door driving device for a rail vehicle according to claim 3 , wherein when one of the first door carrier and the second door carrier is connected to the driving unit, the driving The unit includes: a drive motor and a lead screw mechanism, the drive motor is connected with the lead screw of the lead screw mechanism, and the nut of the lead screw mechanism is connected to the first and second portal carriages. The one is connected. 10 . The vehicle door driving device of a rail vehicle according to claim 3 , wherein when the driving unit is connected with the gear, the driving unit comprises: a driving motor and a speed reducer, and the driving motor is connected to the gear. 11 . The speed reducer is connected to the gear, and the speed reducer is connected to the gear. 11. The door drive device of a rail vehicle according to any one of claims 3-10, wherein the first link and the second link each comprise: a connecting seat, the connecting seat of the first connecting rod is connected with the first rack, and the connecting seat of the second connecting rod is connected with the second rack; a connecting rod body, the first end of the connecting rod body and the connecting seat are both pivotably connected to the guide rod; A pin, the second end of the link body of the first link is pivotally connected to the first door carrier through the pin of the first link, and the second link The second end of the link body of the lever is pivotally connected to the second door carrier through the pin shaft of the second link. 12 . The vehicle door driving device for a rail vehicle according to claim 11 , wherein the connecting seat has two oppositely arranged lugs, and the first end of the connecting rod body is located between the two lugs. 13 . In between, the first end of the connecting rod body and the lug both have through holes for sleeves of the guide rods. 13. The vehicle door drive device of claim 11, wherein the first link and the second link each comprise: Bearings, the pins are fixedly connected with the corresponding first and second door carriers, the bearings are sleeved outside the pins, and the second end of the connecting rod body is sleeved outside the bearing. 14. The vehicle door driving device of a rail vehicle according to any one of claims 1-10, wherein the guide sliding mechanism comprises a plug guide rail provided on the bracket and a sliding rail provided on the door carrier. guide; of which The plug rail includes a longitudinal section and a plug section, one end of the plug section is connected with one end of the longitudinal section, the longitudinal section extends in the longitudinal direction, and the plug section extends in the second direction, And the plug segment extends from one end connected to the longitudinal segment to the other end inclined laterally inward. 15. The door drive device of a rail vehicle according to any one of claims 1-10, wherein the connecting rod comprises: link arm; a sleeve, the sleeve is connected with one end of the link arm, and is sleeved outside the guide rod, and the sleeve is in clearance fit with the guide rod; A collar, the collar is connected to the other end of the link arm, the door carrier has a connecting shaft, the collar is sleeved outside the connecting shaft, and the collar and the connecting shaft have a gap Cooperate. 16. The door drive device of a rail vehicle according to claim 15, wherein the guide rod is cylindrical, and the sleeve is cylindrical. 17. The door drive device of a rail vehicle according to claim 15, wherein the connecting shafts are provided on both sides of the door carrier along the longitudinal direction, and the number of the collars is two, and the two The collars are relatively spaced apart in the longitudinal direction, and the two collars are in one-to-one correspondence with the two connecting shafts. 18. A vehicle door assembly, comprising a vehicle door and the vehicle door drive device according to any one of claims 1-17, the vehicle door being connected to the door carrier assembly. 19. A rail vehicle comprising the door assembly of claim 18.