阅读说明：本技术 一种驱动机构运动方向转换装置及方法 (Device and method for converting motion direction of driving mechanism ) 是由 朱有进 于 2021-06-29 设计创作，主要内容包括：本发明公开了一种驱动机构运动方向转换装置及方法,包括固定架、活动架和动力源,所述活动架上安装有导向轮,所述固定架上安装有导轨,所述动力源能够驱动所述导向轮在所述导轨内移动,所述动力源的尾座与所述活动架之间连接有连杆机构,当导向轮经过导轨弯道时,所述连杆机构能够带动所述活动架在所述固定架上移动,所述活动架能够带动所述导向轮在所述导轨内相对导轨直线部分做纵向移动。本发明实现驱动机构运动方向的转换,可进行垂直塞拉,并解决动力源直接固定于活动架带来的问题。(The invention discloses a device and a method for converting the motion direction of a driving mechanism, which comprises a fixed frame, a movable frame and a power source, wherein a guide wheel is arranged on the movable frame, a guide rail is arranged on the fixed frame, the power source can drive the guide wheel to move in the guide rail, a connecting rod mechanism is connected between a tailstock of the power source and the movable frame, when the guide wheel passes through a guide rail curve, the connecting rod mechanism can drive the movable frame to move on the fixed frame, and the movable frame can drive the guide wheel to longitudinally move in the guide rail relative to the linear part of the guide rail. The invention realizes the conversion of the motion direction of the driving mechanism, can carry out vertical plugging and pull and solves the problem caused by the direct fixation of the power source on the movable frame.)

1. A kind of actuating mechanism movement direction switching device, characterized by: including mount, adjustable shelf and power supply, install the leading wheel on the adjustable shelf, install the guide rail on the mount, the power supply can drive the leading wheel is in remove in the guide rail, the tailstock of power supply with be connected with link mechanism between the adjustable shelf, when the leading wheel was through the guide rail bend, link mechanism can drive the adjustable shelf removes on the mount, the adjustable shelf can drive the leading wheel is in longitudinal movement is done to the guide rail straight line portion in the guide rail.

2. A drive mechanism movement direction switching apparatus according to claim 1, wherein: the two ends of the movable frame are mounted on the fixed frame, the fixed frame is provided with a fixed tray, the guide rail is arranged below the fixed tray, the connecting rod mechanism comprises a first connecting rod and a second connecting rod, the two ends of the first connecting rod are respectively and rotatably connected with the tailstock of the power source and the fixed tray, the two ends of the second connecting rod are respectively and rotatably connected with the first connecting rod and the movable frame, and a connecting point between the first connecting rod and the second connecting rod is a lever connecting point; when the guide wheel is switched from a guide rail straight track to a curved track, the first connecting rod and the second connecting rod rotate clockwise around the lever connecting point; the first link and the second link each rotate counterclockwise about the lever attachment point when the guide wheel transitions from a track curve to a straight track.

3. A drive mechanism movement direction switching apparatus according to claim 2, wherein: opposite direction's first pivot is installed respectively at first connecting rod both ends, first connecting rod both ends respectively through corresponding first pivot with the tailstock of power supply with the solid fixed tray rotates to be connected, the second pivot is installed respectively at second connecting rod both ends, second connecting rod both ends respectively through corresponding second pivot with first connecting rod with the adjustable shelf rotates to be connected.

4. A drive mechanism movement direction switching apparatus according to claim 3, wherein: the first connecting rod with the first pivot that fixed tray connects with still be equipped with auxiliary stand between the mount, the adjustable shelf both sides are equipped with the curb plate respectively, be equipped with the connecting plate on the curb plate of the tailstock corresponding one end of power supply, the second connecting rod pass through the connecting plate with the curb plate rotates to be connected.

5. A drive mechanism movement direction switching apparatus according to claim 1, wherein: the movable support is characterized in that a bearing groove is formed in the fixed support, a driving bearing and a driven bearing are arranged at two ends of the movable support respectively, the driving bearing and the driven bearing are movably mounted in the bearing groove, a synchronous swing arm is connected between the driven bearing and the fixed tray, and a synchronous rod is connected between the synchronous swing arms at two sides.

6. A drive mechanism movement direction switching apparatus according to claim 1, wherein: the movable frame is provided with a linear guide rail, a bearing slide block is arranged on the linear guide rail in a sliding mode, the bearing slide block comprises a left bearing slide block and a right bearing slide block, the power source is connected with the left bearing slide block in a driving mode, and the guide wheel is arranged on the left bearing slide block.

7. A drive mechanism movement direction switching apparatus according to claim 6, wherein: synchronous traction wheels are further mounted at two ends of the movable frame, a traction rope is wound between the synchronous traction wheels, and the left bearing sliding block and the right bearing sliding block are respectively connected with two opposite sides of the traction rope.

8. A drive mechanism movement direction switching apparatus according to claim 6, wherein: the left bearing slide block and the right bearing slide block are respectively connected with a door carrying frame.

9. A drive mechanism movement direction converting device according to any one of claims 1 to 8, wherein: the movable rack is characterized in that stand columns are further arranged below two ends of the movable rack respectively, a fixed plate is connected between the stand columns and the fixed rack at the same side, upper rotating arms are arranged on the stand columns, and upper swing arms are movably connected between the upper rotating arms and the movable rack.

10. A method for converting the motion direction of a driving mechanism is characterized in that: the device for converting the moving direction of a driving mechanism, comprising a driving mechanism according to any one of claims 1 to 9, wherein the link mechanism drives the movable frame to move on the fixed frame by the reaction force of the power source when the guide wheel passes through a curve of the guide rail, so that the movable frame drives the guide wheel to move longitudinally in the guide rail relative to the linear portion of the guide rail.

Technical Field

The invention relates to the field of driving equipment, in particular to a device and a method for converting the motion direction of a driving mechanism.

Background

At present, a general power source can only drive an object to do linear motion along the axis direction of the power source, but the object often has a problem of direction conversion when encountering an inflection point during the linear motion. The conversion of a power source in the market from linear translation motion to motion in a plugging direction is basically realized by extruding the inclined side surface of the upper guide rail to generate extrusion force, then generating component force in the plugging direction by the extrusion force, and enabling the mechanism to generate plugging motion by the component force in the plugging direction.

The above-described manner causes the following problems: 1. if a customer requires to increase the plugging distance, when the plugging door needs to be plugged vertically, the upper guide rail needs to be made into 90 degrees at the bend, and the extrusion force cannot generate the force in the plugging direction, so that plugging movement cannot be caused, namely the existing product cannot be made into vertical plugging, and the customer requirements cannot be met;

2. because the force in the motion direction of the plug is from the component force of the power source, the generated plug pulling force is very small, so that the sealing performance of the lower device after the plug pulling is poor;

3. the power source is fixed on the movable frame, and the reaction force of the push-pull force of the cylinder is completely acted on the movable frame, so that the movable frame is easy to deform;

4. because the plug pulling force is from the component force of the power source, if the plug pulling force is increased, the diameter of the air cylinder or the air pressure or the inclination of the upper track must be increased, so that the pressure of the inner slope measuring surface of the upper track is increased, the slope of the upper track is easy to damage, the diameter of the air cylinder is continuously increased, the integral installation requirement of the device cannot be met, and the design of the integral device is difficult.

Disclosure of Invention

The invention aims to provide a device and a method for converting the motion direction of a driving mechanism, which realize the conversion of the motion direction of the driving mechanism, can perform vertical plugging and pulling and solve the problem caused by the fact that a power source is directly fixed on a movable frame.

In order to solve the technical problem, the invention provides a driving mechanism movement direction conversion device which comprises a fixed frame, a movable frame and a power source, wherein a guide wheel is installed on the movable frame, a guide rail is installed on the fixed frame, the power source can drive the guide wheel to move in the guide rail, a connecting rod mechanism is connected between a tailstock of the power source and the movable frame, when the guide wheel passes through a guide rail curve, the connecting rod mechanism can drive the movable frame to move on the fixed frame, and the movable frame can drive the guide wheel to longitudinally move in the guide rail relative to a linear part of the guide rail.

As a further improvement of the present invention, two ends of the movable frame are mounted on the fixed frame, the fixed frame is provided with a fixed tray, the guide rail is arranged below the fixed tray, the link mechanism includes a first link and a second link, two ends of the first link are respectively rotatably connected to the tailstock of the power source and the fixed tray, two ends of the second link are respectively rotatably connected to the first link and the movable frame, and a connection point between the first link and the second link is a lever connection point; when the guide wheel is switched from a guide rail straight track to a curved track, the first connecting rod and the second connecting rod rotate clockwise around the lever connecting point; the first link and the second link each rotate counterclockwise about the lever attachment point when the guide wheel transitions from a track curve to a straight track.

As a further improvement of the present invention, two ends of the first connecting rod are respectively provided with first rotating shafts in opposite directions, two ends of the first connecting rod are respectively rotatably connected with the tailstock of the power source and the fixed tray through the corresponding first rotating shafts, two ends of the second connecting rod are respectively provided with second rotating shafts, and two ends of the second connecting rod are respectively rotatably connected with the first connecting rod and the movable frame through the corresponding second rotating shafts.

As a further improvement of the present invention, an auxiliary support is further disposed between the first rotating shaft, which connects the first connecting rod with the fixed tray, and the fixed frame, side plates are respectively disposed on two sides of the movable frame, a connecting plate is disposed on the side plate at an end of the tail seat of the power source corresponding to the side plate, and the second connecting rod is rotatably connected with the side plate through the connecting plate.

As a further improvement of the invention, a bearing groove is arranged on the fixed frame, a driving bearing and a driven bearing are respectively arranged at two ends of the movable frame, the driving bearing and the driven bearing are movably arranged in the bearing groove, a synchronous swing arm is connected between the driven bearing and the fixed tray, and a synchronous rod is connected between the synchronous swing arms at two sides.

As a further improvement of the invention, a linear guide rail is arranged on the movable frame, a bearing slide block is slidably mounted on the linear guide rail, the bearing slide block comprises a left bearing slide block and a right bearing slide block, the power source is in driving connection with the left bearing slide block, and the guide wheel is mounted on the left bearing slide block.

As a further improvement of the invention, two ends of the movable frame are also provided with synchronous traction wheels, a traction rope is wound between the synchronous traction wheels, and the left bearing slide block and the right bearing slide block are respectively connected with two opposite sides of the traction rope.

As a further improvement of the invention, the left bearing slide block and the right bearing slide block are respectively connected with a door carrying frame.

As a further improvement of the invention, upright posts are respectively arranged below two ends of the movable frame, a fixed plate is connected between the upright posts and the fixed frame on the same side, upper rotating arms are arranged on the upright posts, and upper swing arms are movably connected between the upper rotating arms and the movable frame.

A method for converting the motion direction of a driving mechanism comprises the device for converting the motion direction of the driving mechanism, wherein when a guide wheel passes through a curve of a guide rail, a connecting rod mechanism drives a movable frame to move on a fixed frame through the reaction force of a power source, so that the movable frame drives the guide wheel to longitudinally move in the guide rail relative to the linear part of the guide rail.

The invention has the beneficial effects that: the invention utilizes the transverse reaction force of the tail seat of the power source to push the connecting rod mechanism to drive the movable frame to realize the longitudinal plugging movement, completely utilizes the power of the power source, and increases the longitudinal plugging force through the connecting rod mechanism: because the pulling force of the longitudinal plug is increased, and the transverse movement force completely meets the requirements, a power source with a smaller diameter can be selected, so that the abrasion degree of the inner side surface of the upper track of the guide wheel pair is reduced, and meanwhile, the structure is more compact and reasonable and meets the installation requirements; the structure increases the pulling force of the longitudinal plug, so that the problems of unsmooth door opening and closing and untight door closing of the conventional door system in the market can be completely solved, and meanwhile, the connecting rod mechanism is connected with the tail seat of the power source, so that the phenomenon that the reaction force of the power source is completely acted on the movable support to cause the movable support to be easy to deform is avoided; and because this structure utilizes the horizontal reaction force of power supply tailstock, can carry out the guide pulley and plug and draw perpendicularly in the guide rail, satisfy customer's demand.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1 of the present invention;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic top view of the door of the present invention;

FIG. 5 is a schematic top view of the door of the present invention;

FIG. 6 is a simplified schematic diagram of the motion principle of the present invention;

FIG. 7 is a schematic view of a sliding door according to an embodiment of the present invention;

the reference numbers in the figures illustrate: 10. a fixed mount; 101. a bearing groove; 102. a fixing plate; 20. a movable frame; 201. a linear guide rail; 202. a connecting plate; 203. a side plate; 204. a drive bearing; 205. a driven bearing; 206. a synchronous traction wheel; 207. a hauling rope; 208. an upper swing arm; 209. an upper rotating arm; 30. a power source; 301. a tailstock of a power source; 40. a link mechanism; 401. a first link; 402. a second link; 403. a first rotating shaft; 404. a second rotating shaft; 405. an auxiliary support; 50. fixing the tray; 501. a guide rail; 502. a synchronization lever; 503. a synchronous swing arm; 60. a guide wheel; 70. a left bearing block; 701. a portal frame; 71. a right bearing block; 80. a column; 90. a door panel.

Detailed Description

The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.

Example one

Referring to fig. 1 and 2, an embodiment of the present invention provides a device for converting a movement direction of a driving mechanism, including a fixed frame 10, a movable frame 20, and a power source 30, wherein a guide wheel 60 is installed on the movable frame 20, a guide rail 501 is installed on the fixed frame 10, the power source 30 can drive the guide wheel 60 to move in the guide rail 501, a link mechanism 40 is connected between a tailstock 301 of the power source and the movable frame 20, when the guide wheel 60 passes through a curve of the guide rail 501, the link mechanism 40 can drive the movable frame 20 to move on the fixed frame 10, and the movable frame 20 can drive the guide wheel 60 to move longitudinally in the guide rail 501 relative to a linear portion of the guide rail. That is, when the guide wheel 60 passes through the curve of the guide rail 501, the link mechanism 40 drives the movable frame 20 to move on the fixed frame 10 by the reaction force of the power source 30, so that the movable frame 20 drives the guide wheel 60 to move longitudinally in the guide rail 501 relative to the linear portion of the guide rail.

The invention utilizes the transverse reaction force of the tailstock 301 of the power source to push the connecting rod mechanism 40 to drive the movable frame 20 to realize the longitudinal plugging movement on the fixed frame 10, the structure of the invention completely utilizes the power of the power source 30, and the longitudinal plugging tension is increased through the connecting rod mechanism 40, because the structure increases the longitudinal plugging tension, and the transverse movement force completely meets the requirement, the small-diameter power source 30 can be adopted, the abrasion degree of the guide wheel 60 to the inner side surface of the upper guide rail 501 is reduced, the phenomenon that the reaction force of the tailstock 301 of the traditional power source completely acts on the movable frame 20 to cause the deformation of the movable frame 20 is avoided, meanwhile, the structure is more compact and reasonable, and the requirement of small-space installation is met; because the structure increases the longitudinal plug pulling force, the plug pulling force is very large, the guide wheel 60 can drive the plug pulling device to have high sealing performance, and the connecting rod mechanism 40 drives the movable frame 20 to have large force, so that redundant transition time is not needed, and the problems that the door of the existing door system on the market is blocked and the door is not closed tightly are completely solved; because this structure utilizes the horizontal reaction force of the tailstock 301 of power supply, link mechanism 40 can drive the tailstock 301 of power supply from the pendulum, and vertical stopper pulling force is enough big to can carry out perpendicular stopper and draw, save the track design and make a whole length, thereby save design space, satisfy customer's demand.

Example two

Referring to fig. 1 and 2, an embodiment of the present invention provides a device for converting a movement direction of a driving mechanism, based on the first embodiment, wherein two ends of a movable frame 20 are mounted on a fixed frame 10, the fixed frame 10 is provided with a fixed tray 50, a guide rail 501 is disposed under the fixed tray 50, a link mechanism 40 includes a first link 401 and a second link 402, two ends of the first link 401 are respectively rotatably connected to a tailstock 301 and the fixed tray 50 of a power source, two ends of the second link 402 are respectively rotatably connected to the first link 401 and the movable frame 20, the tailstock 301 of the power source drives the first link 401 and the second link 402 in a reaction to form a movable lever, and a lever force of the movable lever is utilized to maximize a steering force when a guide wheel 60 is in a curve. A connecting point between the first connecting rod 401 and the second connecting rod 402 is set as a lever connecting point; when the guide wheel 60 is switched from a straight track to a curved track by the guide track 501, both the first link 401 and the second link 402 rotate clockwise around the lever connection point; when the guide wheel 60 is switched from a curve in the guide 501 to a straight track, both the first link 401 and the second link 402 rotate counterclockwise around the lever connection point.

The specific principle is as follows: when the guide wheel 60 is switched from a straight track to a curved track through the guide rail 501, because the straight track changes into the curved track, the front-end power source 30 encounters resistance at an inflection point, and pulls the tail seat 301 of the power source to move forward slightly, so that the first connecting rod 401 is driven to rotate clockwise around the lever connecting point and the second connecting rod 402 is driven to rotate clockwise, a longitudinal force is given to the movable frame 20, the movable frame 20 moves longitudinally downwards relative to the fixed frame 10, and because the movable frame 20 moves downwards, the guide wheel 60 on the movable frame is driven to generate a downward longitudinal blocking force, so that the guide wheel 60 has enough blocking force to smoothly enter the curved track; similarly, when the guide wheel 60 is switched from the guide track 501 to the straight track, because the front power source 30 encounters resistance, a reverse acting force is applied to the tail seat 301 of the power source, the reverse acting force acts on the first connecting rod 401 to rotate counterclockwise around the lever connecting point and drive the second connecting rod 402 to rotate counterclockwise, so that the second connecting rod 402 applies an upward longitudinal force to the movable frame 20, the movable frame 20 moves upward longitudinally relative to the fixed frame 10, and because the movable frame 20 moves upward, the guide wheel 60 is driven to generate an upward longitudinal blocking force, the guide wheel 60 has a sufficiently large blocking force to smoothly enter the straight track, and the motion switching between the straight track and the curved track is completed.

Specifically, opposite direction's first pivot 403 is installed respectively at first connecting rod 401 both ends, first connecting rod 401 both ends are rotated with tailstock 301 and the fixed tray 50 of power supply through corresponding first pivot 403 respectively and are connected, second pivot 404 is installed respectively at second connecting rod 402 both ends, second connecting rod 402 both ends are rotated with first connecting rod 401 and adjustable shelf 20 through corresponding second pivot 404 respectively and are connected, when specifically installing, can adopt pivot swing joint each part, form and drive rotating-structure, the fixed hexagon head bolt of accessible is fixed in the pivot.

Further, an auxiliary support 405 is further arranged between the first rotating shaft 403, connected with the fixed tray 50, of the first connecting rod 401 and the fixed frame 10, side plates 203 are respectively arranged on two sides of the movable frame 20, a connecting plate 202 is arranged on the side plate 203 at one end, corresponding to the tail seat 301 of the power source, of the tail seat 301, the second connecting rod 402 is rotatably connected with the side plates 203 through the connecting plate 202, and the auxiliary support 405 assists the first rotating shaft 403 to be fixed in position, so that the lever effect of the connecting rod mechanism 40 is guaranteed, the connecting plate 202 is convenient to actually fix and install, and the fixing device can be determined according to actual design.

EXAMPLE III

The embodiment of the invention provides a driving mechanism movement direction conversion device, on the basis of the first embodiment, referring to fig. 3, wherein a bearing groove 101 is arranged on a fixed frame 10, a driving bearing 204 and a driven bearing 205 are respectively arranged at two ends of a movable frame 20, the driving bearing 204 and the driven bearing 205 are movably arranged in the bearing groove 101, a synchronous swing arm 503 is connected between the driven bearing 205 and a fixed tray 50, a synchronous rod 502 is connected between the synchronous swing arms 503 at two sides, when the movable frame 20 does longitudinal movement, the connected driving bearing 204 and the driven bearing 205 move in the bearing groove 101, and meanwhile, the driven bearing 205 is connected with the synchronous rod 502 through the synchronous swing arm 503, so that the movable frames 20 at two sides synchronously swing for longitudinal movement.

Example four

The embodiment of the invention provides a driving mechanism movement direction conversion device, and the first embodiment, the second embodiment and the third embodiment are applied to a sliding plug door, wherein a linear guide rail 201 is arranged on a movable frame 20, a bearing slide block is slidably arranged on the linear guide rail 201, the bearing slide block comprises a left bearing slide block 70 and a right bearing slide block 71, a power source 30 is in driving connection with the left bearing slide block 70, and a guide wheel 60 is arranged on the left bearing slide block 70.

Specifically, referring to fig. 4-7, in this embodiment, the power source 30 employs a rod cylinder, a small-diameter rod cylinder (in this embodiment, a cylinder with a diameter of 25-32MM may be selected, and a cylinder with a diameter above 40MM is often required when a commercial product increases a longitudinal force), so as to push the left load-bearing slider 70 to move transversely on the linear guide 201, and when the linear portion of the guide 501 is the portion, the guide wheel 60 mounted on the left load-bearing slider 70 is not acted by a longitudinal force, so that the movable frame 20 does not move longitudinally, referring to fig. 4, when the sliding plug door is closed, i.e. when the guide wheel 60 moves to the curved portion of the guide 501, due to a component force of the reaction, i.e. the longitudinal force, the reaction force of the tail seat of the rod cylinder drives the first link 401 to rotate clockwise around the lever connection point and drives the second link 402 to rotate clockwise, thereby driving the movable frame 20 to move longitudinally, and due to the lever action of the link mechanism 40, the guide wheel 60 has enough plug tension to smoothly enter a curve, namely smoothly closing the door, and the door closing force is larger, and when in a completely closed state, the door closing force reaches the maximum, and the sealing is tighter; in contrast, in the fully closed state, the door opening force is maximized, i.e. when the guide wheel 60 is switched from a curve of the guide track 501 to a straight track, because the front end power source 30 meets resistance, the tailstock 301 of the power source is acted with reverse acting force, the reverse acting force acts on the first connecting rod 401 to enable the first connecting rod to rotate around the lever connecting point anticlockwise, and drives the second connecting rod 402 to rotate anticlockwise, so that the second link 402 gives an upward longitudinal force to the movable frame 20, causing the movable frame 20 to move longitudinally upward with respect to the stationary frame 10, the movable frame 20 moves upwards to drive the guide wheel 60 to generate upward longitudinal plug pulling force, so that the guide wheel 60 has enough plug pulling force to smoothly enter a straight channel, the door opening time and the cylinder inflation time are favorably shortened, the instantaneous door opening effect is achieved, the action principle is opposite to that of door closing, and the problems of door opening and closing blockage and untight door closing of the pneumatic plug sliding door in the market at present are completely solved.

Furthermore, the two ends of the movable frame 20 are further provided with synchronous traction wheels 206, a traction rope 207 is wound between the synchronous traction wheels 206, and the left bearing slider 70 and the right bearing slider 71 are respectively connected with two opposite sides of the traction rope 207. In this embodiment, the synchronous traction wheel 206 may be a steel wire wheel, the traction rope 207 is a steel wire, and the left bearing slider 70 and the right bearing slider 71 are respectively fixed to the steel wires on two different sides, that is, when the power source 30 drives the left bearing slider 70 to move, the steel wire on one side is driven to move, so as to synchronously drive the right bearing slider 71 to move in the opposite direction of the linear guide 201, thereby realizing the simultaneous door opening and closing of the two side door panels.

Further, the left bearing slide block 70 and the right bearing slide block 71 are respectively connected with a door carrying frame 701 for connecting the door panel.

Furthermore, the upright columns 80 are respectively arranged below the two ends of the movable frame 20, the fixing plate 102 is connected between the upright columns 80 and the fixed frame 10 on the same side, the upper rotating arms 209 are arranged on the upright columns 80, the upper swinging arms 208 are movably connected between the upper rotating arms 209 and the movable frame 20, and when the door is opened or closed, the upper swinging arms rotate along with the movable frame 20, so that the connecting plates conventionally arranged below the upright columns 80 are driven to drive the door panel 90 to be opened or closed together.

That is, when the steering device of the driving mechanism is applied to a sliding plug door, when the sliding plug door is opened or closed, when the sliding plug door passes through a curve of the guide rail 501, the transverse reaction force of the rear tail seat of the rod cylinder (or the power source 30 which is the same as the principle structure of the invention) is utilized to push the link mechanism 40 to drive the movable frame 20 to realize longitudinal sliding plug movement, so as to drive the guide wheel 60 to smoothly enter the curve to change the track, and the bearing slide block 70 drives the door carrying frame 701 to open or close the door panel 90, wherein the sliding plug door includes but not limited to an electric sliding plug door and a pneumatic sliding plug door.

The steering device and the steering method are applied to the sliding plug door, if a customer requires to add a shape on the door panel (increase the sliding plug distance), the gap between the door panel and the door frame is very small, when the sliding plug door needs to be vertically plugged, the upper guide rail needs to be made into 90 degrees at the bend, and the structure can vertically plug the guide wheel in the guide rail by using the transverse reaction force of the tail seat of the power source, so that the customer requirements can not be completely met; because the structure increases the longitudinal plug tension, the problems that the plug door on-off is blocked and the door is not closed tightly in the market at present are completely solved, the sealing performance is high, and abnormal sound cannot be generated in the driving process of the vehicle; meanwhile, the connecting rod mechanism is connected with the power source tailstock, so that the phenomenon that the reaction force of the power source is completely acted on the movable support to cause the movable support to be easy to deform is avoided; the pulling force of the sliding plug door on the market is derived from the component force of a power source, if the pulling force of the sliding plug door on the market is increased, the diameter of an air cylinder or air pressure or the inclination of an upper track must be increased, so that the pressure of an inner slope measuring surface of an upper guide rail is increased, the slope of the upper guide rail is easy to damage, the diameter of the air cylinder is continuously increased, the installation requirement of the sliding plug door cannot be met, and difficulty is brought to the design of a whole vehicle.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.