CN213234668U - Linkage type vehicle door opening and closing device - Google Patents

Abstract

The utility model discloses a linkage type vehicle door opening and closing device, belonging to the technical field of machinery and railway vehicles, comprising a vehicle door, an upper pulley device and a lower pulley device which are arranged at both sides of the vehicle door, the upper pulley device and the lower pulley device are respectively provided with a slide rail and a round shaft which are matched with the upper pulley device and the lower pulley device, and also comprise a hand wheel device and an upper connecting rod mechanism and a lower connecting rod mechanism which are respectively connected with the hand wheel device, the upper connecting rod mechanism is connected with the slide rail, the lower connecting rod mechanism is connected with the round shaft, the hand wheel device synchronously drives the slide rail and the round shaft to move in a linkage way through the upper connecting rod mechanism and the lower connecting rod mechanism, the rotation center lines of the hand wheel device, the slide rail and the round shaft are parallel to each other, the vehicle door is driven to be switched to an opening position or a closing position, the opening or closing of the vehicle door can be realized at one time, the operation is simple and convenient, and the opening and closing efficiency and the safety of the vehicle door are improved.

Description

Linkage type vehicle door opening and closing device

Technical Field

The utility model belongs to the technical field of machinery and rail vehicle, particularly, relate to a linkage type door switching device.

Background

China P66K (H), P70A type movable side wall box wagon adopts 4 push-and-pull doors and 4 sliding plug doors to assemble into the movable side wall, push-and-pull doors and sliding plug doors operate on respective tracks, the length of the sliding plug door is more than 3m, the overall dimension is large, the weight is large, when the sliding plug door is opened, two crank mechanisms in the middle of the door body need to be respectively rotated, the sliding plug door is moved to an opening position with a larger gap with the vehicle body along the transverse direction of the vehicle body from a closing position tightly attached to the vehicle body, the opening and closing operation of the sliding plug door is more complicated, the crank mechanism of the sliding plug door is higher away from the ground due to the structure limitation, and the operation of opening and closing the door is inconvenient in a place without a platform.

SUMMERY OF THE UTILITY MODEL

In view of this, in order to solve the above-mentioned problem that exists in the prior art, the utility model aims to provide a linkage type door switching device in order to reach the opening or closing that can once only realize the door, easy operation, convenience have improved the purpose of door switching efficiency and security.

The utility model discloses the technical scheme who adopts does: the utility model provides a linkage type door opening and closing device, includes the door and locates the upper pulley device and the lower pulley device of door both sides, upper pulley device and lower pulley device are equipped with slide rail and circle axle rather than supporting respectively, still include the hand wheel device and connect last link mechanism and lower link mechanism on the hand wheel device respectively, go up link mechanism with slide linkage and lower link mechanism with circle hub connection, hand wheel device are parallel to each other through the rotation center line of last link mechanism and lower link mechanism synchronous drive slide rail and circle axle linkage motion and hand wheel device, slide rail and circle axle, orders about the door and switches into and open position or closed position.

Furthermore, the hand wheel device comprises a wheel rim, a web plate and a shaft sleeve, wherein the wheel rim, the web plate and the shaft sleeve are assembled into a whole, the shaft sleeve is connected with a fixed shaft through a rolling bearing, and the hand wheel device is simple in composition and stable and reliable in operation.

Furthermore, an arc groove concentric with the web plate is formed in the web plate, and a limiting shaft is arranged in the arc groove, so that the vehicle door opening and closing device can just reach the opening position and the closing position of the vehicle door.

Further, the cross section of the rim is circular, so that the rim is convenient to rotate and comfortable to hold.

Furthermore, the upper connecting rod mechanism comprises a first upper rotating arm, an upper rotating shaft, a second upper rotating arm and an upper connecting rod, wherein one end of the first upper rotating arm is connected with the sliding rail, and the other end of the first upper rotating arm is connected with the upper rotating shaft; one end of the second upper rotating arm is connected with the upper rotating shaft, the other end of the second upper rotating arm is hinged with the upper connecting rod, and the other end of the upper connecting rod is hinged with the web.

Furthermore, the lower connecting rod mechanism comprises a lower connecting rod, a first lower rotating arm, a second lower rotating arm and a lower rotating shaft, one end of the lower connecting rod is hinged with the web, the other end of the lower connecting rod is hinged with the second lower rotating arm, and the second lower rotating arm is connected to the lower rotating shaft; one end of the first lower rotating arm is connected with the lower rotating shaft, and the other end of the first lower rotating arm is provided with the round shaft.

Furthermore, when the vehicle door is in a closed position, a deviation distance exists between a connecting line of hinged points at two ends of the lower connecting rod and a rotating central line of the hand wheel device, so that the vehicle door has self-locking capability after being closed, and the locking safety of the vehicle door is improved.

Furthermore, an elastic piece for providing elastic force to the second lower rotating arm is arranged on the second lower rotating arm, the elastic piece can buffer the impact force when the door is closed, and the rolling bearing is adopted to support and reduce the rotating resistance in combination with each rotating shaft, so that the load of opening and closing the door is greatly reduced, and the operation is labor-saving.

Furthermore, the elastic part is a spring, one end of the spring is hinged to the second lower rotating arm, and the other end of the spring is hinged to the vehicle body where the vehicle door is located, so that the spring is compressed through the self-gravity of the vehicle door, and the spring can store elastic energy.

Further, the upper pulley device comprises vertical pulleys symmetrically arranged on two sides of the sliding rail; the lower pulley device comprises a roller borne on the circular shaft to limit the opening or closing of the car door, and can save labor under the action of the pulley device, and the operation difficulty is reduced.

The utility model has the advantages that:

1. by adopting the linkage type vehicle door opening and closing device provided by the utility model, an operator can stand on the ground and rotate the hand wheel device, and under the condition that the hand wheel device is linked with the upper connecting rod mechanism and the lower connecting rod mechanism, the opening position or the closing position of the vehicle door can be switched, so that the vehicle door can be opened or closed at one time, the operation is simple and convenient, and the vehicle door opening and closing efficiency and the safety are improved; meanwhile, under the action of the hand wheel device matched with the upper connecting rod and the lower connecting rod, when the vehicle door is in a closed position, the vehicle door has self-locking capacity, and the locking safety of the vehicle door is improved; through the spring assembly of second lower rocking arm department, the gravitational potential energy of door when closing the door turns into elastic energy and stores into, turns into the elastic force when opening the door, makes the operation laborsaving of opening, closing the door, simultaneously, because adopt the hand wheel device to cooperate under the effect of upper connecting rod and lower connecting rod, when the door is in the closed position, the door has the auto-lock ability, has improved door locking security.

Drawings

Fig. 1 is a schematic perspective view of a linkage type vehicle door opening and closing device provided by the present invention when closed;

FIG. 2 is a perspective view of the linkage type door opening/closing device according to the present invention;

FIG. 3 is a side elevation view of the linkage type door opening and closing device according to the present invention;

FIG. 4 is a schematic end elevation view of the linkage type door opening and closing device of the present invention when opened;

the drawings are labeled as follows:

1 is an upper rotating shaft, 2 is an upper connecting rod, 3 is a hand wheel device, 4 is a lower connecting rod, 5 is a lower rotating shaft, 6 is a rolling bearing, 7 is a vehicle door, 8 is a pulley, 9 is a roller, 10 is a vehicle body side surface, and 11 is a vehicle body end part;

1.1 is a slide rail, 1.2 is an upper rotating shaft body, 1.3 is a first upper rotating arm, 1.4 is a second upper rotating arm, and 1.5 is a rotation center line of the upper rotating shaft during movement;

3.1 is a rim, 3.2 is a web plate, 3.3 is a shaft sleeve, 3.4 is a fixed shaft, 3.5 is a limiting shaft, and 3.6 is a rotation center line of the hand wheel device;

4.1 is a first hinge point, and 4.2 is a second hinge point;

5.1 is a lower rotating shaft body, 5.2 is a first lower rotating arm, 5.3 is a spring device, 5.4 is a second lower rotating arm, and 5.5 is a rotation center line of the lower rotating shaft during movement;

3.2.1 is a connecting hole, and 3.2.2 is an arc groove;

5.2.1 is a round shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that the indication of the position or the positional relationship is based on the position or the positional relationship shown in the drawings, or the position or the positional relationship that the utility model is usually placed when using, or the position or the positional relationship that the skilled person conventionally understands, or the position or the positional relationship that the utility model is usually placed when using, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or suggest that the indicated device or element must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as limiting the present invention. Furthermore, the terms "first" and "second" are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases for a person of ordinary skill in the art; the drawings in the embodiments are provided to clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Example 1

In order to overcome the problem that the opening or closing operation of the existing vehicle door 7 on the vehicle body is very complicated, in this embodiment, a linkage type vehicle door opening and closing device is specifically provided to solve the operation difficulty of the vehicle door 7 during opening or closing, and 1 set of opening and closing mechanism is adopted for each vehicle door 7 of the vehicle body to realize the separation or closing movement of the vehicle door 7 relative to the vehicle body, that is, the switching between the opening position and the closing position is performed, as shown in fig. 1 to 4, the specific design is as follows:

including door 7 with locate the upper pulley device and the lower pulley device of door both sides, upper pulley device and lower pulley device are equipped with respectively rather than supporting slide rail 1.1 and circle axle 5.2.1, move along slide rail 1.1 and lower pulley device along circle axle 5.2.1 through upper pulley device to the realization can make door 7 open or close. The upper pulley device comprises vertical pulleys 8 symmetrically arranged at two sides of the sliding rail 1.1, and the lower pulley device comprises a roller 9 borne on the circular shaft 5.2.1.

The hand wheel device 3 is connected with the sliding rail 1.1, the lower connecting rod mechanism is connected with the round shaft 5.2.1, the hand wheel device 3 synchronously drives the sliding rail 1.1 and the round shaft 5.2.1 to move in a linkage manner through the upper connecting rod mechanism and the lower connecting rod mechanism, the rotating center lines of the hand wheel device 3, the sliding rail 1.1 and the round shaft 5.2.1 are parallel to each other, the vehicle door 7 is driven to be switched to an opening position or a closing position, 2 linkage four-connecting rod mechanisms are formed by the upper connecting rod mechanism and the lower connecting rod mechanism, and a double-connecting rod type opening and closing mechanism capable of linking up and down is formed by the upper connecting rod mechanism and the lower connecting rod mechanism.

The hand wheel device 3 comprises a rim 3.1, a web 3.2 and a shaft sleeve 3.3, wherein the rim 3.1, the web 3.2 and the shaft sleeve 3.3 are assembled into a whole, the shaft sleeve 3.3 is connected with a fixed shaft 3.4 through a rolling bearing 6, the fixed shaft 3.4 is fixed at the end part 11 of the vehicle body, and the rolling bearing 6 is arranged between the shaft sleeve 3.3 and the fixed shaft 3.4 so as to reduce the rotation resistance of the hand wheel device 3. The cross section of the rim 3.1 is round, so that the rim is convenient to rotate and comfortable to grasp; the middle of a web plate 3.2 protrudes towards a vehicle door 7, 2 connecting holes 3.2.1 are arranged on the web plate 3.2, the 2 connecting holes 3.2.1 are respectively hinged with an upper connecting rod 2 and a lower connecting rod 4, so that the upper connecting rod 2 and the lower connecting rod 4 can synchronously rotate along with a wheel rim 3.1, the driving torque input by the wheel rim 3.1 is transmitted to a far place, the middle of the web plate 3.2 is sunken towards the inner side of a vehicle body, and the wheel rim 3.1, the upper connecting rod 2 and the lower connecting rod 4 are staggered in space, and cannot interfere with each other during movement. Meanwhile, in order to ensure the normal operation of the hand wheel device 3, the web 3.2 is provided with an arc groove 3.2.2 concentric with the web, and the arc groove 3.2.2 is provided with a limiting shaft 3.5, the limiting shaft 3.5 is fixed on the vehicle body, and the rotation angle of the wheel rim 3.1 is further limited through the matching of the limiting shaft 3.5 and the arc groove 3.2.2, so that the vehicle door opening and closing device can just reach the opening position and the closing position of the vehicle door 7.

The upper connecting rod mechanism comprises a first upper rotating arm 1.3, an upper rotating shaft 1, a second upper rotating arm 1.4 and an upper connecting rod 2, wherein the upper rotating shaft 1 comprises an upper rotating shaft body 1.2, and the upper rotating shaft body 1.2 is rotatably assembled on the vehicle body through a rolling bearing 6; one end of the first upper rotating arm 1.3 is connected with the sliding rail 1.1, and the other end is connected with the upper rotating shaft 1; one end of the second upper rotating arm 1.4 is connected with the upper rotating shaft 1, the other end of the second upper rotating arm is hinged with the upper connecting rod 2, and the other end of the upper connecting rod 2 is hinged with the web 3.2. The sliding rail 1.1 is a long strip-shaped round shaft, is matched with a vertical pulley 8 at the upper end of the vehicle door 7, supports the vehicle door 7 on the side surface to slide, is parallel to the upper rotating shaft 1, and is fixed into a whole through at least 2 first upper rotating arms 1.3, the second upper rotating arm 1.4 is fixed at the end part of the upper rotating shaft 1 and forms a proper included angle with the first upper rotating arm 1.3, and the sliding rail 1.1 can reach the opening position or the closing position of the vehicle door 7.

The lower connecting rod mechanism comprises a lower connecting rod 4, a second lower rotating arm 5.4, a first lower rotating arm 5.2 and a lower rotating shaft 5, wherein the lower rotating shaft 5 comprises a lower rotating shaft body 5.1, and the lower rotating shaft body 5.1 is rotatably assembled on the vehicle body through a rolling bearing 6; one end of the lower connecting rod 4 is hinged with the web plate 3.2, the other end of the lower connecting rod is hinged with a second lower rotating arm 5.4, and the second lower rotating arm 5.4 is connected to the lower rotating shaft 5; one end of the first lower rotating arm 5.2 is connected with the lower rotating shaft 5, and the other end is provided with the round shaft 5.2.1. The lower rotating shaft 5, the second lower rotating arm 5.4 and the first lower rotating arm 5.2 are fixed into a whole, the lower rotating shaft 5 and the upper rotating shaft 1 are parallel to each other and are simultaneously parallel to a rotating center line of the hand wheel device 3, the first lower rotating arm 5.2 and the first upper rotating arm 1.3 are parallel to each other, the round shaft 5.2.1 is arranged at the head part of the first lower rotating arm 5.2 and is used for supporting the arc-shaped roller 9 at the bottom of the vehicle door 7, and the vehicle door 7 is kept in a basically vertical state when the upper rotating shaft 1 and the lower rotating shaft 5 rotate in a linkage manner by matching with the lateral support of the slide rail 1.1.

In order to enhance the self-locking performance of the vehicle door opening and closing device when the vehicle door 7 is in a closed state, when the vehicle door 7 is in a closed position, a deviation distance exists between a connecting line of hinge points (namely between a first hinge point 4.1 and a second hinge point 4.2) at two ends of the lower connecting rod 4 and a rotation center line of the hand wheel device 3, under the action of gravity of the vehicle door 7, the lower connecting rod 4 is subjected to pulling force transmitted by the lower rotating shaft 5, the hand wheel device 3 is drawn to generate a movement trend of continuing rotating towards the closed position, the self-locking is realized, and the locking safety is further improved.

The second lower rotating arm 5.4 is provided with an elastic member for providing elastic force to the second lower rotating arm, the elastic member is a spring device 5.3 (namely a spring), one end of the spring is hinged with the second lower rotating arm 5.4, the other end of the spring is hinged on the side surface 10 of the vehicle body, the upper end of the spring device 5.3 which can generate the elastic force when being compressed is hinged below the first lower rotating arm 5.2, the other end of the spring device is hinged on the vehicle body, the first lower rotating arm 5.2 is in a vertical state when the opening and closing device is opened, the first lower rotating arm 5.2 is in a horizontal state when the opening and closing device is closed, when the vehicle door 7 moves from an opening position to a closing position, the spring device 5.3 is just compressed by the gravity of the vehicle door 7, the potential energy of the vehicle door 7 is converted into the elastic energy, when the vehicle door 7 is opened, most of the weight of the vehicle door 7 can be counteracted by the elastic force accumulated by the elastic force of the spring device 5, the first lower swivel arm 5.2 is fixed to the end of the lower swivel shaft 5 and has a suitable angle with the second lower swivel arm 5.4 to ensure that the second lower swivel arm 5.4 can reach the open and closed position of the door 7.

The use method of the vehicle door opening and closing device in the embodiment is as follows: as shown in fig. 2 to 4, when the door 7 is opened, the hand wheel device 3 is turned to the outside of the vehicle body, the upper link mechanism drives the slide rail 1.1 of the opening and closing mechanism, the lower link mechanism drives the circular shaft 5.2.1 of the opening and closing mechanism, and further the slide rail 1.1 and the circular shaft 5.2.1 are simultaneously driven to rotate to the outside and the top of the vehicle body, so that the door 7 is driven to move transversely along the vehicle body and is staggered with the door 7 which is not opened at the same side, the opened door 7 is pushed to the end of the vehicle which is not opened at the door 7 along the longitudinal direction of the vehicle body, and the loading/unloading window of the vehicle.

As shown in fig. 1, when the door 7 is closed, the hand wheel device 3 is turned toward the inside of the vehicle body, the slide rail 1.1 and the round shaft 5.2.1 of the opening and closing mechanism are driven by the link mechanism to rotate toward the lower part in the vehicle body at the same time, the door 7 is driven to move to the closed position along the lateral direction of the vehicle body, and then the door 7 is locked.

The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.

Claims (10)

1. The utility model provides a linkage type door opening and closing device, includes the door and locates the upper pulley device and the lower pulley device of door both sides, its characterized in that, upper pulley device and lower pulley device are equipped with slide rail and circle axle rather than supporting respectively, still include the hand wheel device and connect last link mechanism and lower link mechanism on the hand wheel device respectively, go up link mechanism with sliding connection and lower link mechanism with circle hub connection, the hand wheel device is parallel to each other through last link mechanism and lower link mechanism synchronous drive slide rail and circle axle linkage motion and hand wheel device, slide rail and circle axle three's rotation center line, orders about the door and switches into and open position or closed position.

2. The linked vehicle door opening and closing device according to claim 1, wherein the hand wheel device comprises a wheel rim, a web plate and a shaft sleeve, the wheel rim, the web plate and the shaft sleeve are assembled into a whole, and the shaft sleeve is connected with a fixed shaft through a rolling bearing.

3. The linked vehicle door opening and closing device according to claim 2, wherein the web is provided with an arc groove concentric with the web, and the arc groove is provided with a limit shaft.

4. The linked door opening and closing device according to claim 2, wherein the cross section of the rim is circular.

5. The linked vehicle door opening and closing device according to claim 2, wherein the upper link mechanism comprises a first upper rotating arm, an upper rotating shaft, a second upper rotating arm and an upper link, one end of the first upper rotating arm is connected with the slide rail, and the other end of the first upper rotating arm is connected with the upper rotating shaft; one end of the second upper rotating arm is connected with the upper rotating shaft, the other end of the second upper rotating arm is hinged with the upper connecting rod, and the other end of the upper connecting rod is hinged with the web.

6. The linked vehicle door opening and closing device according to claim 2, wherein the lower link mechanism comprises a lower link, a first lower rotating arm, a second lower rotating arm and a lower rotating shaft, one end of the lower link is hinged with the web, the other end of the lower link is hinged with the second lower rotating arm, and the second lower rotating arm is connected with the lower rotating shaft; one end of the first lower rotating arm is connected with the lower rotating shaft, and the other end of the first lower rotating arm is provided with the round shaft.

7. The linked door opening and closing device as claimed in claim 6, wherein when the door is in the closed position, the connecting line of the hinge points at the two ends of the lower connecting rod is deviated from the rotation center line of the hand wheel device.

8. The linked door opening and closing device according to claim 7, wherein an elastic member for providing an elastic force to the second lower rotating arm is provided to the second lower rotating arm.

9. The linked vehicle door opening and closing device as claimed in claim 8, wherein the elastic member is a spring, and one end of the spring is hinged to the second lower rotating arm, and the other end of the spring is hinged to the vehicle body on which the vehicle door is located.

10. The linked vehicle door opening and closing device according to claim 1, wherein the upper pulley device comprises vertical pulleys symmetrically arranged on two sides of the sliding rail; the lower pulley device comprises a roller borne on the circular shaft.

Images