WO2023207618A1 - Sliding seat mechanism, guide device, open freight car, and freight train - Google Patents

Abstract

The present application belongs to the technical field of freight trains. Disclosed are a sliding seat mechanism, a guide device, an open freight car and a freight train. The sliding seat mechanism comprises a plurality of sliding blocks (2-1) sequentially connected in the axial direction of a sliding rail (1). The opposite side faces of the two adjacent sliding blocks (2-1) are each provided with a rotating portion (2-15), and the two rotating portions (2-15) are rotatably connected to each other. Each sliding block (2-1) is internally provided with a sliding portion, which is in sliding fit with the sliding rail (1). At least one of the opposite side faces of the two adjacent sliding blocks (2-1) is provided with a gap portion (2-13), so as to form a corner space (2-14).

Description

A sliding seat mechanism, guiding device, open carriage and freight train

Cross-references to related applications

This application claims priority to the Chinese patent application filed on April 27, 2022, with application number 202210459247.4 and titled "A sliding seat mechanism, guide device, open carriage and freight train", the entire content of which is incorporated by reference Merged here.

Technical field

The present disclosure relates to the technical field of freight trains, and in particular to a sliding seat mechanism, a guide device, an open carriage and a freight train.

Background technique

In the past decade or so, in order to prevent the goods loaded in freight carriages from scattering and flying or being exposed to rain, first-class open carriages have begun to be covered with roller shutters.

Roller curtain type covering is to set a covering curtain on the top of the open carriage. There are two covering curtains, namely the covering curtain at the front end and the covering curtain at the rear end of the top of the open carriage. The rear end of the front covering curtain and the front end of the rear covering curtain are called butt ends. When the butt ends of the front cover curtain and the back end cover curtain are brought together toward each other, the open compartment is covered; when the butt ends of the front cover curtain and the butt ends of the rear cover curtain are separated from each other, the open compartment is covered. Open.

However, in the prior art, the butt ends of the covering curtain can only stay on the slide rails on the top surfaces of both ends, resulting in incomplete back-to-back separation of the covering curtain at the front end and the covering curtain at the rear end, which not only affects the loading and unloading of goods, but also makes it easier to Covering curtains damaged during loading and unloading.

Contents of the invention

The present disclosure provides a sliding seat mechanism, a guide device, an open carriage and a freight train. By utilizing one or more embodiments of the present disclosure, it is solved that in the prior art, the docking ends of the covering curtain can only stay at both ends. On the top slide rail, the front cover curtain and the rear cover curtain are not completely separated from each other, which not only affects the loading and unloading of goods, but also easily damages the cover curtain when loading and unloading goods.

In one aspect of the present disclosure, a slide mechanism is provided for sliding on a slide rail. The slide mechanism includes: a plurality of slide blocks connected in sequence along the axial direction of the slide rail; two adjacent slide blocks. Opposite sides of the slider are provided with rotating parts, and the two rotating parts are rotatably connected; the inside of the slider is provided with a sliding part for slidingly mating with the slide rail; two adjacent said A notch is provided on at least one of the opposite sides of the slider to form a corner space.

In another aspect of the present disclosure, a guide device for a covering curtain is also provided, including: a slide rail and a slide mechanism; the slide rail includes a straight portion and a curved portion connected to the straight portion; the slide mechanism A plurality of the slide blocks can be slidably provided on the straight portion and the curve portion, and a plurality of the slide blocks The first slider is connected to the covering curtain.

In another aspect of the present disclosure, an open carriage is also provided, including a car body, two covering curtains, a guide device disposed opposite to the top of the car body and the covering curtain, and the guide device of the covering curtain. , the two slide rails of the guide device are arranged opposite to the top of the vehicle body, and the two slide mechanisms of the guide device are respectively arranged at the butt ends of the two covering curtains; wherein, the two Each of the slide mechanisms is respectively slidably disposed on the two slide rails to drive the two cover curtains to dock or fold.

In another aspect of the present disclosure, a freight train is also provided, including at least one of the open carriages.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, a brief introduction will be made below to the drawings needed to be used in the description of the embodiments. Obviously, the drawings in the following description are some embodiments of the present disclosure. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without exerting creative efforts.

Figure 1 shows a schematic structural diagram of a slide mechanism according to some embodiments of the present disclosure;

Figure 2 shows an exploded schematic diagram of the slide mechanism in Figure 1;

Figure 3 shows a schematic diagram of the first movement of the guide device of the covering curtain according to some embodiments of the present disclosure;

Figure 4 shows a schematic diagram of the second movement of the guide device of the covering curtain according to some embodiments of the present disclosure;

Figure 5 shows a side view of the guide device of the covering curtain in Figure 4;

Figure 6 shows a schematic diagram of closing the covering curtain of the open compartment according to some embodiments of the present disclosure;

Figure 7 shows a schematic diagram of folding the covering curtain of the open compartment according to some embodiments of the present disclosure;

FIG. 8 shows an enlarged schematic diagram of point A in FIG. 7 .

In the reference numerals:
1: Slide rail; 1-1: Straight line part; 1-2: Curved part; 1-21: Top running surface; 1-22: Bottom limiting surface; 1-11: Support plate; 1-12: Connecting plate; 2: Slide mechanism; 2-1: Slider; 2-11: Flat part; 2-12: Notch part; 2-13: Corner space; 2-14: Rotating part; 2-15: Hinge shaft; 3: Covering curtain; 4: running wheel; 5: limiting wheel; 6: replica; 7: driving mechanism; 7-1: hook; 7-11: hanging rod; 7-12: dialing column; 7-121: push part ; 7-122: Pushing part; 7-123: Receiving part; 7-2: Lever; 8: Car body.

Detailed ways

The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only some of the embodiments of the present disclosure, rather than all of the embodiments. Based on the embodiments in this disclosure, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of this disclosure.

It should be noted that all directional indications in the embodiments of the present disclosure are only used to explain the relative positional relationship, movement, etc. between components in a specific posture. If the specific posture changes, , the directional indication also changes accordingly.

It should be noted that all directional indications in the embodiments of the present disclosure are only used to explain the relative positional relationship, movement conditions, etc. between components in a specific posture. If the specific posture changes, the directional indication will It also changes accordingly.

In addition, descriptions such as "first", "second", etc. in this disclosure are for descriptive purposes only and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of indicated technical features. Therefore, features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In addition, the technical solutions in various embodiments can be combined with each other, but it must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that such a combination of technical solutions does not exist. , nor is it within the scope of protection required by this disclosure.

The present disclosure is described below in conjunction with the accompanying drawings and with reference to specific embodiments.

1 and 2 , a slide mechanism according to an embodiment of the present disclosure is used to slide on a slide rail 1 . The slide mechanism 2 includes a plurality of slide blocks 2 - 1 connected in sequence along the axial direction of the slide rail 1 . The opposite sides of two adjacent slide blocks 2-1 are each provided with rotating parts 2-14, and the two rotating parts 2-14 are rotatably connected. The slide block 2-1 is provided with a sliding part for slidingly mating with the slide rail 1. A notch 2-12 is provided on at least one of the opposite sides of two adjacent sliders 2-1 to form a corner space 2-13.

In some embodiments, since the slide mechanism 2 includes a plurality of slide blocks 2-1 connected in sequence along the axial direction of the slide rail 1, the opposite sides of two adjacent slide blocks 2-1 are provided with rotating parts 2-14. , the two rotating parts 2-14 are rotatably connected, the slider 2-1 is provided with a sliding part for slidingly mating with the slide rail 1, at least one of the opposite sides of the two adjacent sliders 2-1 There is a notch 2-12 on the side to form a corner space 2-13. Therefore, when the cover curtain 3 is closed or folded, the slider 2-1 slides on the slide rail 1. When multiple sliders 2-1 1 When passing through the curved portion 1-2 of the slide rail 1, the rotating portions 2-14 of the two adjacent slide blocks 2-1 rotate, and the notch portion 2 of one of the two adjacent slide blocks 2-1 -12 move toward each other in the corner space 2-13, so that the slider 2-1 can pass through the curved portion 1-2 of the slide rail 1, driving the covering curtain 3 to completely leave the end of the top of the car body, which can ensure that the covering curtain 3 is in When folding, the end of the top of the car body is completely withdrawn to avoid damage to the covering curtain 3 when loading and unloading goods, ensuring the safety of the covering curtain 3 and facilitating the loading and unloading of goods.

In some embodiments, the sliding part includes a rotatably arranged running wheel 4 and two oppositely arranged limiting wheels 5 . There is a first installation space for installing the slide rail 1 between the running wheel 4 and the two limiting wheels 5 , and/or there is a second installation space for installing the slide rail 1 between the two limiting wheels 5 .

In some embodiments, a running wheel 4 and two limiting wheels 5 are rotatably provided in the slide block 2-1. In this embodiment, the running wheel 4 can be installed in the slide block 2-1 through the rotating shaft, and the two limiting wheels 5 can also be installed in the sliding block 2-1 through the rotating shaft. The running wheel 4 and the two limiting wheels 5 all conflict with the slide rail 1, so that the running wheel 4 and the two limiting wheels 5 can move smoothly on the sliding rail 1.

In some embodiments, the distance between the running wheel 4 and the two limiting wheels 5 matches the thickness of the support plate 1-11 to ensure that the slider 2-1 runs smoothly on the slide rail 1.

In some embodiments, the height of the running wheel 4 is greater than the height of the two limiting wheels 5 to ensure that the slider 2-1 can move smoothly.

In some embodiments, there is only one running wheel 4 in the slider 2-1, so that the single slider 2-1 has a certain degree of freedom to tilt and rotate around the contact line between the running wheel 4 and the slide rail 1 on the slide rail 1. , so it has the ability to pass through the curved portion 1-2 of the slide rail 1.

In some embodiments, the two limiting wheels 5 form a limiting assembly. The first slide block and the last slide block among the plurality of slide blocks 2-1 are only provided with one limiting assembly, and the plurality of slide blocks 2-1 are provided with only one limiting assembly. The remaining slide blocks in -1 can be provided with multiple limit components. Of course, the remaining slide blocks in the multiple slide blocks 2-1 can also be provided with only one limit component, so that each slide block 2-1 has Ability to pass curve 1-2.

In some embodiments, the running wheel 4 of the first slide block of the plurality of slide blocks 2-1 is closer to the first end of the plurality of slide blocks 2-1 than the limiting wheel 5 of the first slide block. That is: the distance between the running wheel 4 of the first slider 2-1 and the covering curtain 3 is smaller than the distance between the limiting wheel 5 and the limiting wheel 5 of the first slider 2-1 among the plurality of sliders 2-1. Cover the distance between the curtains 3, so that when entering the curve part 1-2, the running wheel 4 of the first slider 2-1 can travel longer relative to the limiting wheel 5 of the first slider 2-1 The distance is to adapt to the fact that the length of the top running surface 1-21 of the curved portion 1-2 of the slide rail 1 is greater than the length of the bottom limiting surface 1-22 of the curved portion 1-2 of the slide rail 1 to ensure the folding direction. A slider runs smoothly.

In some embodiments, the running wheel 4 of the last slide block among the plurality of slide blocks 2-1 is closer to the second end of the plurality of slide blocks 2-1 than the limiting wheel 5 of the last slide block. And: the distance between the running wheel 4 of the last slider 2-1 among the plurality of sliders 2-1 and the covering curtain 3 is greater than the distance between the limiting wheel 5 and the covering curtain of the last slider 2-1 among the plurality of sliders 2-1. 3, so that when entering the straight portion 1-1 from the curved portion 1-2 in the closing direction, the running wheel 4 of the last slider 2-1 can be relative to the limiting wheel of the last slider 2-1 5. Travel a longer distance to accommodate that the length of the top running surface 1-21 of the curved portion 1-2 of the slide rail 1 is greater than the length of the bottom limiting surface 1-22 of the curved portion 1-2 of the slide rail 1 to ensure closure. The last slider in the direction goes smoothly.

In some embodiments, two adjacent slide blocks 2-1 are provided with flat portions 2-11 on opposite sides, and the two flat portions 2-11 can conflict with each other. The rotating part 2-14 is provided between the flat part 2-11 and the notch part 2-12.

In some embodiments, when the cover curtain 3 is closed or folded, when the multiple sliders 2-1 pass through the linear portion 1-1 of the slide rail 1, the flat portions of the two adjacent sliders 2-1 2-11 conflict, so that the inclination of the slider 2-1 is restricted without tilting, ensuring that multiple sliders 2-1 move smoothly in the linear part 1-1. When multiple sliders 2-1 pass through the slide rail When the curved portion 1-2 of 1 is used, the rotating portions 2-14 of the two adjacent sliders 2-1 rotate to separate the flat portions 2-11 of the two adjacent sliders 2-1, making it easier for the sliders to 2-1 operates on the curved portion 1-2 of the slide rail 1.

In some embodiments, the flat part 2-11 is provided on the top of the side of the slider 2-1, the rotating part 2-14 is provided on the middle of the side of the slider 2-1, and the notch part 2-12 is provided on the slider 2 -1 for the bottom of the sides.

In some embodiments, the rotating parts 2-14 of two adjacent sliders 2-1 are hinged through the hinge shaft 2-15 to ensure that when the slider 2-1 passes through the curved part 1-2, the two adjacent Slider 2-1 allows for phase to rotation.

In some embodiments, the distance between the end of the notch 2-12 facing the rotating part 2-14 and another slider is smaller than the distance between the end of the notch 2-12 facing away from the rotating part 2-14 and the other slider. space between them to form a corner space 2-13 that is narrow at the top and wide at the bottom, so that two adjacent sliders 2-1 can rotate downward around the hinge axis 2-15, ensuring that multiple sliders 2-2 can move in the curved part. 1-2 action.

In some embodiments, the number of sliders 2-1 is three. The plurality of sliders 2-1 includes: a first slider, a second slider and a third slider. The second slider is disposed on the first slider. between the block and the second slider. Among them, if the second slider tends to tilt in the folding direction due to the force direction, the first slider will inevitably flip upward due to the hinged connection method, and because the second slider is on the end face in the folding direction. The flat part of the adjacent first slider conflicts with the flat part of the adjacent first slider, and the first slider cannot flip upward, which restricts the inclination of the second slider in the folding direction without tilting, ensuring that multiple sliders are Move smoothly on the linear part 1-1. If the second slider tends to tilt in the closing direction due to the force direction, the third slider will inevitably flip upward due to the hinged connection method, and because the flat part of the second slider on the end face in the closing direction is in contact with the direction of the closing direction. The flat surfaces of the adjacent third sliders are in contact with each other, and the third slider cannot flip upwards, which restricts the inclination of the second slider in the closing direction without tilting, ensuring that multiple sliders move smoothly in a straight line. Move on part 1-1.

In some embodiments, the notch 2-12 can be provided on the first slide block and the third slide block. Of course, the notch 2-12 can also be provided on the second slide block, or even on the first slide block and the third slide block. The two slide blocks, the first slide block and the second slide block are all provided with notches 2-12 to form a corner space 2-13 that is narrow at the top and wide at the bottom, so that the adjacent first slide block and the second slide block can go around. The hinge shaft 2-15 rotates downward to ensure that the first slide block and the second slide block can move on the curved portion 1-2.

In conjunction with Figure 3, Figure 4 and Figure 5, based on the same disclosed concept, the present disclosure also proposes a guide device for the cover curtain. The guide device of the cover curtain adopts the slide mechanism. The specific details of the slide mechanism are Structure Referring to the above-mentioned embodiments, since the slide mechanism adopts all the technical solutions of all the above-mentioned embodiments, it has at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be described again here.

In some embodiments, the slide rail 1 includes: a straight portion 1-1 and a curved portion 1-2 connected to the straight portion 1-1. The plurality of slide blocks 2-1 of the slide mechanism 2 can be slidably disposed on the linear portion 1-1 and the curved portion 1-2, and the first slide block of the plurality of slide blocks 2-1 is connected to the covering curtain 3.

In some embodiments, both the straight portion 1-1 and the curved portion 1-2 include: a support plate 1-11 and a connecting plate 1-12. The support plate 1-11 is fixedly connected to the top of the connecting plate 1-12. The width of the supporting plate 1-11 is greater than the width of the connecting plate 1-12, so that the cross-sectional shape of the slide rail 1 is T-shaped to support multiple sliders. 2-1, so that the slider 2-1 can slide on the support plate 1-11.

In some embodiments, the support plate 1-11 is provided between the running wheel 4 and the two limiting wheels 5, the connecting plate 1-12 is provided between the two limiting wheels 5, and the two limiting wheels 5 pair the The slider 2-1 is limited to prevent the slider 2-1 from being offset on the support plate 1-11.

In some embodiments, the guiding device further includes: a driving mechanism 7 . The driving mechanism 7 includes: hanging Hook 7-1 and liftable ground lever 7-2. The hook 7-1 is connected with the slider 2-1 and can conflict with the lever 7-2. In this embodiment, the hook 7-1 is connected to the middle slider among the plurality of sliders 2-1 to avoid interfering with the movement of the first slider and the last slider on the curved portion 1-2. Among them, the shape of hook 7-1 is L-shaped.

In some embodiments, a liftable ground lever 7-2 is provided above the station rails, and the car body is used to move the hook 7-1 through the lever 7-2 to realize the sliding of the covering curtain 3 forward or backward. .

In some embodiments, the hook 7-1 includes: a hanging rod 7-11 and a dialing post 7-12. The hanging rod 7-11 is connected to the slider 2-1. In this embodiment, the hanging rod 7-11 extends toward the first slide block among the plurality of slide blocks 2-1. The dialing column 7-12 is connected with the hanging rod 7-11, and is arranged at an angle with the hanging rod 7-11. In this embodiment, the dialing column 7-12 and the hanging rod 7-11 are 90°. Among them, the cross-section of the dialing posts 7-12 is rectangular.

In some embodiments, the dialing post 7-12 includes: a pushing part 7-121, a pushing part 7-122, and a receiving part 7-123. The first end of the receiving portion 7-123 is connected to the pushing portion 7-121, and the second end of the receiving portion 7-123 is connected to the pushing portion 7-122. The distance between the first end of the receiving portion and the slide rail 1 is less than The distance between the second end of the receiving portion 7-123 and the slide rail 1. In this embodiment, the pushing part 7-121 faces the covering curtain 3, the pushing part 7-122 faces away from the covering curtain 3, and the receiving part 7-123 forms an angle of 45° with the cross section of the dialing post 7-12.

In some embodiments, the end of the lever 7-2 facing the hanging rod 7-11 is rotatably provided with a pulley 7-3, so that the lever 7-2 can gradually slide from the receiving portion 7-123 of the lever 7-12 to the Pushing part 7-121.

In some embodiments, when the covering curtain 3 is to be closed, the car body 8 moves on the rails until it moves to the lever 7-2. When the normal line of the middle slider among the plurality of sliders 2-1 is in contact with the horizontal plane, Stop when reaching an angle of 45 degrees, so that the receiving part 7-123 maintains a vertical attitude to the horizontal plane, and the lifting lever 7-2 descends, so that the receiving part 7-123 is hooked by the vertically suspended lever 7-2. The lever 7-2 continues to descend, and under the thrust exerted by the lever 7-2 toward the receiving portion 7-123, the plurality of sliders 2-1 (pulling the entire covering curtain 3) enters a straight line through the curved portion 1-2. part 1-1, when the slider 2-1 enters the straight part 2-1 from the curve part 2-2, the lever 7-12 gradually rises and moves in the closing direction, and the lever 7-2 gradually moves from the meeting part to the straight part 2-1. 7-123 slides to the pushing part 7-121, and applies thrust to the pushing part 7-121, until the slider 2-1 enters the linear part 1-1, and then the car body 8 continues to move on the rail, The rod 7-2 and the pushing part 7-121 move relative to each other, pushing the pushing part 7-121. The pushing part 7-121 drives the slider 2-1 to move on the linear part 1-1 through the hanging rod 7-11. The slider 2-1 drives the covering curtain 3 to close. When the covering curtain 3 closes, the lever 7-2 rises to separate from the pushing part 7-121 to avoid interfering with the movement of the car body 8. When the covering curtain 3 is to be folded, the car body 8 moves on the rail until it moves to the lever 7-2, causing the lever 7-2 to conflict with the pushing part 7-122. Then, the car body 8 continues to move on the rail. action, the lever 7-2 and the pushing part 7-121 have relative movement, pushing the pushing part 7-122, and the pushing part 7-122 drives the slider 2-1 on the linear part 1-1 through the hanging rod 7-11 upward movement until the slider 2-1 enters the curved portion 1-2, and the lever 7-2 is separated from the pushing portion 7-121, thereby realizing the folding of the covering curtain 3.

In conjunction with Figures 6, 7 and 8, based on the same disclosed concept, the present disclosure also proposes an open carriage that adopts the guide device of the covering curtain. The specific details of the guide device of the covering curtain are The structure refers to the above-mentioned embodiments. Since the guide device of the covering curtain adopts all the features of all the above-mentioned embodiments, Therefore, it has at least all the beneficial effects brought by the technical solutions of the above embodiments, and will not be described again one by one here.

In some embodiments, the open carriage includes a vehicle body 8 and two covering curtains 3 located opposite to each other on the top of the vehicle body 8 . The slide rail 1 of the guide device is located opposite to the top of the vehicle body 8 , and the two slide seat mechanisms 2 of the guide device are respectively located at the butt ends of the two covering curtains 3 . Among them, two sliding seat mechanisms 2 are respectively slidably disposed on two slide rails 1 to drive the two covering curtains 3 to dock or fold.

In some embodiments, when the two covering curtains 3 are closing, that is, the two covering curtains 3 need to move toward each other, the plurality of slide blocks 2-1 of the slide mechanism 2 enter through the curved portion 1-2 of the slide rail 1 The straight portion 1-1 reaches the ends of the two covering curtains 3 butting together. When the two covering curtains 3 are folded, the plurality of sliders 2-1 of the slide mechanism 2 enter the curved portion 1-2 from the straight part 1-1 of the slide rail 1, thereby realizing the folding of the covering curtains 3, and the covering curtains are folded. 3 completely leaves the end of the top of the car body, which can ensure that the covering curtain 3 completely exits the end of the top of the car body when folded, avoids damage to the covering curtain 3 when loading and unloading goods, ensures the safety of the covering curtain 3, and facilitates cargo loading and unloading. .

In some embodiments, the end of the cover curtain 3 facing the sliding seat mechanism 2 is reversibly provided with a flap 6 . In this embodiment, the flap 6 can be hingedly connected to the covering curtain 3 . Among them, the flap 6 can cover the position that the covering curtain 3 cannot cover, and completely cover the top of the vehicle body.

In some embodiments, with the horizontal plane as the standard, the angle at which the flap 6 is turned toward the folding direction is less than 90 degrees. When folding, the flap 6 is used to follow the last slider 2-1 into the curve portion 1-2 to form a When the last slider 2-1 decelerates and stops close to the folding guide rail, the inertia of the flap 6 still makes the flap 6 automatically flip. When closing, the elevation angle formed after the flap 6 enters the straight part 1-1 with the last slider 2-1 is used. Under the action of gravity, the flap 6 is flipped to cover the position that the covering curtain 3 cannot cover. The top of the body is completely covered.

In some embodiments, because it is considered that the position where the lever 7-11 should stay is convenient for the hooking of the lever 7-2, the position where the last slider of the plurality of sliders 2-1 stays is still not completely out of the top of the vehicle body. At the end of the last slider, the position of the last slider is higher, which hinders the loading tool operation. By setting a flap 6 hingedly connected to the cover curtain 3 at the end of the last slider, and when the cover curtain 3 is folded, , causing the flap 6 to flip in the folding direction, which facilitates the loading tool operation.

Based on the same disclosed concept, the present disclosure also proposes a freight train that adopts the open carriage. The specific structure of the open carriage refers to the above embodiments, because the open carriage adopts all the features of all the above embodiments. The technical solution therefore at least has all the beneficial effects brought by the technical solution of the above embodiments, and will not be described again one by one.

In the description of the present disclosure, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " The directions indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" etc. or The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present disclosure and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it cannot be understood as a fundamental Public restrictions.

In the description of the present disclosure, unless otherwise expressly stated and limited, "above" or "below" a first feature to a second feature may include the first and second features being in direct contact, or may include the first and second features being in direct contact with each other. Two features are not in direct contact but are in contact through another feature between them. Furthermore, the terms "above", "above" and "above" a first feature on a second feature include the first feature being directly above and diagonally above the second feature, or simply mean that the first feature is higher in level than the second feature. “Below”, “under” and “under” the first feature is the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature is less horizontally than the second feature.

In the description of this specification, reference to the terms "one embodiment," "some embodiments," "an example," "specific examples," or "some examples" or the like means that specific features are described in connection with the embodiment or example. , structures, materials, or features are included in at least one embodiment or example of the present disclosure. In this specification, the schematic expressions of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, those skilled in the art may join and combine the different embodiments or examples described in this specification.

Although the preferred embodiments of the present disclosure have been described, additional changes and modifications to these embodiments will occur to those skilled in the art once the basic inventive concepts are apparent. Therefore, it is intended that the appended claims be construed to include the preferred embodiments and all changes and modifications that fall within the scope of this disclosure.

Obviously, those skilled in the art can make various changes and modifications to the present disclosure without departing from the spirit and scope of the disclosure. In this way, if these modifications and variations of the present disclosure fall within the scope of the claims of the present disclosure and equivalent technologies, the present disclosure is also intended to include these modifications and variations.

Claims (12)

1. A slide mechanism for sliding on a slide rail, including: a plurality of slide blocks connected in sequence along the axial direction of the slide rail;

   The opposite sides of two adjacent slide blocks are provided with rotating parts, and the two rotating parts are rotatably connected;

   There is a sliding part inside the slider for slidingly mating with the slide rail;

   A notch is provided on at least one of the opposite sides of two adjacent slide blocks to form a corner space.
2. The sliding seat mechanism according to claim 1, wherein the sliding part includes a rotatably arranged running wheel and two oppositely arranged limiting wheels; there is a gap between the running wheel and the two limiting wheels. There is a first installation space for installing the slide rail, and/or there is a second installation space for installing the slide rail between the two limiting wheels.
3. The slide mechanism according to claim 2, wherein a running wheel of a first slide block among a plurality of slide blocks is closer to the plurality of slide blocks than a limiting wheel of the first slide block. The first end of the plurality of slide blocks; the running wheel of the last slide block among the plurality of slide blocks is closer to the second end of the plurality of slide blocks than the limiting wheel of the last slide block.
4. The slide mechanism device according to any one of claims 1 to 3, wherein the opposite sides of two adjacent slide blocks are provided with flat portions, and the two flat portions can conflict with each other; the rotation The portion is located between the flat portion and the notch portion.
5. A guide device for covering curtains, including: a slide rail and a slide mechanism according to any one of claims 1 to 4;

   The slide rail includes a straight portion and a curved portion connected to the straight portion;

   The plurality of slide blocks of the slide mechanism can be slidably disposed on the linear portion and the curved portion, and a first slide block among the plurality of slide blocks is connected to the cover curtain.
6. The guide device for a covering curtain according to claim 5, wherein the plurality of slide blocks of the slide mechanism are all slidably disposed on the straight portion and the curve portion, and the plurality of slide blocks The first slide block in the block is connected to the covering curtain;

   The support plate is fixedly connected to the top of the connecting plate, and the width of the supporting plate is greater than the width of the connecting plate.
7. The guide device of the covering curtain according to claim 5, wherein the guide device further includes: a driving mechanism;

   The driving mechanism includes: a hook and a liftable ground lever;

   The hook is connected to the slider and can conflict with the lever.
8. The guide device for covering curtains according to claim 7, wherein the hooks include: hanging rods and dialing posts;

   The hanging rod is connected to the slider;

   The dialing column is connected to the hanging rod and is arranged at an angle with the hanging rod.
9. The guiding device for covering curtains according to claim 8, wherein the dialing column includes: a pushing part, a pushing part and a receiving part;

   The first end of the receiving part is connected to the pushing part, the second end of the receiving part is connected to the pushing part, and the distance between the first end of the receiving part and the slide rail is less than the distance between the receiving part and the sliding rail. the distance between the second end of the part and the slide rail.
10. An open carriage including:

    car body;

    Two covering curtains are located opposite each other on the top of the car body;

    And the guide device of the covering curtain according to any one of claims 5 to 9, the two slide rails of the guide device are arranged opposite to the top of the vehicle body, and the two slide rails of the guide device The sliding seat mechanism is respectively provided at the butt end of the two covering curtains;

    Wherein, two of the slide mechanisms are respectively slidably disposed on the two slide rails to drive the two cover curtains to dock or fold.
11. The guide device of the cover curtain according to claim 10, wherein the cover curtain is reversibly provided with a turning plate toward the end of the slide mechanism.
12. A freight train includes at least one open car as claimed in claim 10 or 11.