Sliding door, cab and vehicle

Abstract

The invention relates to the technical field of vehicles, and discloses a sliding door, a cab and a vehicle, a door frame is provided with a door opening, and a guide rail is arranged on the door frame. The door body is slidably connected with the guide rail and leaves the door opening and the sealing cover door opening when located at the first position and the second position. The first sealing strip and the second sealing strip are connected to the face, close to the door body, of the door frame and located on the upper side and the lower side of the door opening respectively, the first sealing strip inclines upwards in the first direction, and the second sealing strip inclines downwards in the first direction. And the first barrier strip and the second barrier strip are connected to the door body and are respectively parallel to the first sealing strip and the second sealing strip. And when the door body is located at the second position, the first barrier strip and the first sealing strip are pressed, and the second barrier strip and the second sealing strip are pressed. Accordingly, sealing is completed on the upper side and the lower side of the door opening in the mode that the first barrier strip and the first sealing strip are pressed and the second barrier strip and the second sealing strip are pressed, dust and water are effectively prevented from entering the door opening from the upper side and the lower side of the door opening, and the sealing performance of the upper side and the lower side of the sliding door is enhanced.

Description

Technical Field

[0001] The present application relates to the technical field of vehicles, and particularly to a sliding door, a cab and a vehicle. Background Art

[0002] Currently, for vehicles, especially engineering vehicles, in order to facilitate door opening and closing and reduce the occupied space of the door body after opening, sliding doors are often used. A sliding door is a push-pull door, and its door body is slidably connected to the track on the door frame to open and close the door during the sliding process.

[0003] However, the existing sliding doors can only ensure that the front and rear sides of the door body in the sliding direction are tightly sealed with the sealing strips on the door frame, while the upper and lower sides of the door body and the door frame cannot be sealed in a way of being tightly pressed by the sealing strips. Otherwise, the normal sliding of the door body will be affected due to excessive frictional force, which makes the sealing effect of the upper and lower sides of the door body of the sliding door relatively poor.

[0004] Therefore, how to solve or improve the problem of relatively poor sealing effect of the door body of the sliding door in the related art has become an important technical problem to be solved by those skilled in the art. Summary of the Invention

[0005] In view of this, the present application provides a sliding door, a cab and a vehicle to solve or improve the problem of relatively poor sealing effect of the upper and lower sides of the door body of the sliding door.

[0006] In a first aspect, the present application provides a sliding door, including:

[0007] A door frame, provided with a door opening, and a guide rail is arranged on the door frame;

[0008] A door body, slidably connected to the guide rail to slide between a first position and a second position. When the door body is in the first position, it leaves the door opening, and when the door body is in the second position, it covers the door opening;

[0009] A first sealing strip, connected to the surface of the door frame close to the door body and located above the door opening, and the first sealing strip is inclined upward along a first direction;

[0010] A second sealing strip; connected to the surface of the door frame close to the door body and located below the door opening, and the second sealing strip is inclined downward along the first direction;

[0011] A first stop strip, connected to the surface of the door body close to the door frame and parallel to the first sealing strip;

[0012] A second stop strip, connected to the surface of the door body close to the door frame and parallel to the second sealing strip,

[0013] The first direction is the direction in which the door body slides from the first position to the second position. When the door body is located at the second position, the first stop strip is pressed against the first sealing strip, and the second stop strip is pressed against the second sealing strip.

[0014] Optionally, it also includes:

[0015] A third sealing strip, connected to a side of the door frame close to the door body and located at the rear side of the door opening in the first direction;

[0016] The third stopper strip is connected to a surface of the door body close to the door frame and is parallel to the third sealing strip.

[0017] When the door body is located at the first position, the third blocking strip presses the third sealing strip.

[0018] Optionally, the upper part of the third sealing strip is connected to the first sealing strip, and the lower part is connected to the second sealing strip; the upper part of the third stopper is connected to the first stopper, and the lower part of the third stopper is connected to the second stopper.

[0019] Optionally, it also includes:

[0020] The fourth sealing strip is connected to the door frame and is located at the front side of the door opening in the first direction. The door body and the fourth sealing strip are arranged sequentially in the first direction. When the door body is located in the first position, the door body presses the fourth sealing strip.

[0021] Optionally, it also includes:

[0022] A first baffle is connected to the door frame. When the door body is located at the first position, the first baffle is located at a side of a connection between the door body and the fourth sealing strip away from the door opening.

[0023] Optionally, it also includes:

[0024] The second baffle is connected to the door frame. When the door body is located at the first position, the second baffle is located on a side of the upper edge of the door body away from the door opening.

[0025] Optionally, the guide rail comprises a first guide rail connected to the door frame, the first guide rail is provided with a first slide groove, the first slide groove has a bottom sliding surface, a first side sliding surface and a second side sliding surface, and the first side sliding surface and the second side sliding surface are arranged opposite to each other;

[0026] A first roller set is connected to the door body. The first roller set includes a first roller, a second roller, a third roller, and a first mounting bracket connected to the door body. The first roller, the second roller, and the third roller are respectively rotatably connected to the first mounting bracket. The first roller set is located in the first chute. The first roller is in rolling connection with the bottom sliding surface, the second roller is in rolling connection with the first side sliding surface, or the third roller is in rolling connection with the second side sliding surface.

[0027] Optionally, the guide rail includes a second guide rail connected to the door frame. A second chute is provided on the second guide rail. The second chute has a third side sliding surface and a fourth side sliding surface that are oppositely arranged. A second roller set is connected to the door body. The second roller set includes a second mounting bracket and a fourth roller. The second mounting bracket is connected to the door body. The fourth roller is rotatably connected to the second mounting bracket. The second roller set is located in the second chute. The fourth roller is in rolling connection with one of the third side sliding surface and the fourth side sliding surface.

[0028] In a second aspect, the present application further provides a cab including the sliding door described above arbitrarily.

[0029] In a third aspect, the present application further provides a vehicle including the sliding door or the cab described above arbitrarily.

[0030] A sliding door provided by the present application includes a door frame, a door body, a first sealing strip, a second sealing strip, a first stop strip, and a second stop strip. A door opening is provided on the door frame, and a guide rail is provided on the door frame. The door body is slidably connected to the guide rail so that the door body can slide relative to the door frame between a first position and a second position. The door body slides along a first direction X from the first position to the second position. When the door body slides to the first position, it leaves the door opening, and when the door body slides to the second position, it covers the door opening.

[0031] The first stop strip is connected to a surface of the door body close to the door frame. The first stop strip is parallel to the first sealing strip, and in the first direction X, the first stop strip and the first sealing strip are arranged in sequence, that is, the first sealing strip is located on the front side of the first stop strip. Thus, when the first stop strip moves close to the first sealing strip, the first stop strip can be pressed against the first sealing strip. Since the first sealing strip is inclined upward along the first direction, before the first stop strip is pressed against the first sealing strip, the first stop strip and the first sealing strip are separated and will not interfere with each other.

[0032] The second retaining strip is connected to the side of the door body close to the door frame. The second retaining strip is parallel to the second sealing strip, and in the first direction X, the second retaining strip and the second sealing strip are arranged in sequence, that is, the second sealing strip is located on the front side of the second retaining strip. Thus, when the second retaining strip moves close to the second sealing strip, the second retaining strip can be pressed against the second sealing strip. Since the second sealing strip is arranged to incline downward in the first direction, before the second retaining strip is pressed against the second sealing strip, the second retaining strip and the second sealing strip are separated and will not interfere with each other.

[0033] In this way, after the door is closed, the first retaining strip is pressed against the first sealing strip, and the second retaining strip is pressed against the second sealing strip. Thus, on the upper side of the door opening, the door body is sealed by the pressing combination of the first retaining strip and the first sealing strip. On the lower side of the door opening, the door body is sealed by the pressing combination of the second retaining strip and the second sealing strip, effectively preventing dust and water from entering the door opening from the upper and lower sides of the door opening, and enhancing the sealing performance of the upper and lower sides of the sliding door. Description of the Drawings

[0034] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the related art, the following will briefly introduce the drawings required to be used in the description of the specific embodiments or the related art. Obviously, the following drawings are some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0035] Figure 1 It is the front view of a sliding door according to an embodiment of the present application;

[0036] Figure 2 It is the axonometric view of the door frame of a sliding door according to an embodiment of the present application;

[0037] Figure 3 It is Figure 2 The partial enlarged schematic view of A in

[0038] Figure 4 It is Figure 2 The partial enlarged schematic view of B in

[0039] Figure 5 It is the axonometric view of the door body of a sliding door according to an embodiment of the present application;

[0040] Figure 6 It is Figure 5 The partial enlarged schematic view of C in

[0041] Figure 7 It is Figure 5 The partial enlarged schematic view of D in

[0042] Figure 8Schematic diagram of the positions of the first retaining strip, second retaining strip, third retaining strip, first sealing strip, second sealing strip, third sealing strip, and fourth sealing strip of a sliding door according to an embodiment of the present application.

[0043] Explanation of reference numerals:

[0044] 1. Door frame; 11. First sealing strip; 12. Second sealing strip; 13. Third sealing strip; 14. Fourth sealing strip; 15. First baffle; 16. Second baffle; 2. Door body; 21. First retaining strip; 22. Second retaining strip; 23. Third retaining strip; 3. First guide rail; 31. First chute; 4. First pulley set; 41. First roller; 42. Second roller; 43. Third roller; 44. First mounting bracket; 5. Second guide rail; 51. Second chute; 6. Second pulley set; 61. Fourth roller; 62. Second mounting bracket. Detailed implementation manners

[0045] To make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Apparently, the described embodiments are some, but not all, of the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present application.

[0046] The following will be combined with Figures 1 to 8 , to describe the embodiments of the present application.

[0047] According to an embodiment of the present application, on the one hand, a sliding door is provided, as shown in Figure 1 , Figure 2 and Figure 5 , including a door frame 1, a door body 2, a first sealing strip 11, a second sealing strip 12, a first retaining strip 21, and a second retaining strip 22. A door opening is provided on the door frame 1 for people to enter and exit. A guide rail is provided on the door frame 1.

[0048] The door body 2 is slidably connected to the guide rail, so that it can slide along the guide rail. The door body 2 can slide relative to the door frame 1 between a first position and a second position, where the door body 2 slides from the first position to the second position along a first direction X. When the door body 2 slides to the first position, it leaves the door opening, and at this time, it is in the open state. When the door body 2 slides to the second position, it covers the door opening, and at this time, it is in the closed state.

[0049] The first sealing strip 11 is connected to one side of the door frame 1 close to the door body 2. The first sealing strip 11 is located on the upper side of the door opening and extends obliquely upward along the first direction. The second sealing strip 12 is also connected to one side of the door frame 1 close to the door body 2 and is located below the first sealing strip 11. The second sealing strip 12 is located on the lower side of the door opening and extends obliquely downward along the first direction.

[0050] The first stop strip 21 is connected to one side of the door body 2 close to the door frame 1. The first stop strip 21 is parallel to the first sealing strip 11, and in the first direction X, the first stop strip 21 and the first sealing strip 11 are arranged in sequence, that is, the first sealing strip 11 is located on the front side of the first stop strip 21. Thus, when the first stop strip 21 moves close to the first sealing strip 11, the first stop strip 21 can be pressed against the first sealing strip 11. And before the first stop strip 21 is pressed against the first sealing strip 11, the first stop strip 21 and the first sealing strip 11 are separated and will not interfere with each other.

[0051] The second stop strip 22 is connected to one side of the door body 2 close to the door frame 1. The second stop strip 22 is parallel to the second sealing strip 12, and in the first direction X, the second stop strip 22 and the second sealing strip 12 are arranged in sequence, that is, the second sealing strip 12 is located on the front side of the second stop strip 22. Thus, when the second stop strip 22 moves close to the second sealing strip 12, the second stop strip 22 can be pressed against the second sealing strip 12. And before the second stop strip 22 is pressed against the second sealing strip 12, the second stop strip 22 and the second sealing strip 12 are separated and will not interfere with each other.

[0052] In this way, when closing the door, the door body 2 is pushed to slide from the first position to the second position until the door body 2 slides to the second position to complete the door closing action. At this time, the door body 2 covers the door opening. And during the door closing process, the door body 2 drives the first stop strip 21 to move close to the first sealing strip 11, and at the same time drives the second stop strip 22 to move close to the second sealing strip 12. Until the door body 2 slides to the second position, the first stop strip 21 is pressed against the first sealing strip 11, and the second stop strip 22 is pressed against the second sealing strip 12. Thus, on the upper side of the door opening, the door body 2 completes the sealing by the pressing combination of the first stop strip 21 and the first sealing strip 11. On the lower side of the door opening, the door body 2 completes the sealing by the pressing combination of the second stop strip 22 and the second sealing strip 12, effectively preventing dust and water from entering the door opening from the upper and lower sides of the door opening, and enhancing the sealing performance of the upper and lower sides of the sliding door.

[0053] It should be noted that the length of the first sealing strip 11 should be longer than the upper side edge of the door opening, and the length of the second sealing strip 12 should be longer than the lower side edge of the door opening. That is, in the first direction, the first end of the first sealing strip 11 should extend out of the front side of the door opening, and the first end of the second sealing strip 12 should extend out of the front side of the door opening. The second end of the first sealing strip 11 should extend out of the rear side of the door opening, and the second end of the second sealing strip 12 should extend out of the rear side of the door opening.

[0054] Meanwhile, the length of the first retaining strip 21 should be longer than the upper side of the door opening, and the length of the second retaining strip 22 should be longer than the lower side of the door opening. That is, in the first direction, when the door body 2 slides to the second position, the first end of the first retaining strip 21 should extend beyond the front side of the door opening, and the first end of the second retaining strip 22 should extend beyond the front side of the door opening. The second end of the first retaining strip 21 should extend beyond the rear side of the door opening, and the second end of the second retaining strip 22 should extend beyond the rear side of the door opening.

[0055] Thereby ensuring that the pressing length of the first retaining strip 21 and the first sealing strip 11 is longer than the upper side of the door opening, and the pressing length of the second retaining strip 22 and the second sealing strip 12 is longer than the lower side of the door opening, so as to ensure sufficient and effective sealing is formed on the upper and lower sides of the door opening.

[0056] In an alternative embodiment, as Figure 2 、 Figure 5 and Figure 8 shown, the sliding door further includes a third sealing strip 13 and a third retaining strip 23. The third sealing strip 13 is connected to the side of the door frame 1 close to the door body 2, and in the first direction X, the third sealing strip 13 is located at the rear side of the door opening.

[0057] The third retaining strip 23 is connected to the side of the door body 2 close to the door frame 1. The third retaining strip 23 is parallel to the third sealing strip 13, and in the first direction X, the third retaining strip 23 and the third sealing strip 13 are arranged in sequence, that is, the third sealing strip 13 is located in front of the third retaining strip 23. Thus, when the third retaining strip 23 moves close to the third sealing strip 13, the third retaining strip 23 can be pressed against the third sealing strip 13.

[0058] In this way, when closing the door, the door body 2 is pushed to slide from the first position to the second position until the door body 2 slides to the second position to complete the door closing action. At this time, the door body 2 covers the door opening. During the door closing process, the door body 2 drives the first retaining strip 21 to move close to the first sealing strip 11, at the same time drives the second retaining strip 22 to move close to the second sealing strip 12, and also drives the third retaining strip 23 to move close to the third sealing strip 13. Until the door body 2 slides to the second position, the first retaining strip 21 is pressed against the first sealing strip 11, the second retaining strip 22 is pressed against the second sealing strip 12, and the third retaining strip 23 is pressed against the third sealing strip 13. Thus, on the upper side of the door opening, the door body 2 completes the sealing by pressing the first retaining strip 21 and the first sealing strip 11. On the lower side of the door opening, the door body 2 completes the sealing by pressing the second retaining strip 22 and the second sealing strip 12. On the rear side of the door opening in the first direction X, the door body 2 completes the sealing by pressing the third retaining strip 23 and the third sealing strip 13. Effectively preventing dust and water from entering the door opening from the upper and lower sides of the door opening and the rear side in the first direction X, enhancing the sealing performance of the upper and lower sides and the rear side of the sliding door.

[0059] It should be noted that the length of the third sealing strip 13 should be longer than the rear side edge of the door opening in the first direction X. That is, the first end of the third sealing strip 13 should extend above the door opening, and the second end of the second sealing strip 12 should extend below the door opening.

[0060] At the same time, the length of the third stop strip 23 should be longer than the rear side edge of the door opening in the first direction X. That is, when the door body 2 slides to the second position, the first end of the third stop strip 23 should extend above the door opening, and the second end of the second stop strip 22 should extend below the door opening.

[0061] Thus, it is ensured that the pressing length of the third stop strip 23 and the third sealing strip 13 is longer than the rear side edge of the door opening in the first direction X, so as to ensure a sufficient and effective seal is formed at the rear side of the door opening in the first direction X.

[0062] Among them, the third stop strip 23 can be arranged parallel to the rear side edge of the door opening in the first direction X, can also be arranged in a direction perpendicular to the first direction X, or be arranged obliquely with respect to the direction perpendicular to the first direction X.

[0063] In some embodiments, the first end of the third sealing strip 13 is integrally connected to the second end of the first sealing strip 11, and the second end of the third sealing strip 13 is integrally connected to the second end of the second sealing strip 12, so that the first sealing strip 11, the third sealing strip 13, and the second sealing strip 12 are connected in series in sequence to form a U-shaped sealing strip with an opening gradually expanding in the first direction X.

[0064] Correspondingly, the first end of the third stop strip 23 is integrally connected to the second end of the first stop strip 21, and the second end of the third stop strip 23 is integrally connected to the second end of the second stop strip 22. So that the first stop strip 21, the third stop strip 23, and the second stop strip 22 are connected in series in sequence to form a U-shaped stop strip with an opening gradually expanding in the first direction X.

[0065] In this way, when the door body 2 slides to the second position, the U-shaped stop strip is pressed against the U-shaped sealing strip. Thus, an integrated seal is formed on the upper side of the door opening, the lower side of the door opening, and the rear side of the door opening in the first direction X, further enhancing the sealing effect.

[0066] In other embodiments, a first mounting strip, a second mounting strip, and a third mounting strip are respectively connected to the door frame 1. The first sealing strip 11 is connected to the first mounting strip, the second sealing strip 12 is connected to the second mounting strip, and the third sealing strip 13 is connected to the third mounting strip.

[0067] In some other embodiments, a fifth sealing strip is provided on the surface of the first stop strip 21 close to the first sealing strip 11. When the door body 2 slides to the second position, the first stop strip 21 is pressed against the first sealing strip 11 through the fifth sealing strip. A sixth sealing strip is provided on the surface of the second stop strip 22 close to the second sealing strip 12. When the door body 2 slides to the second position, the second stop strip 22 is pressed against the second sealing strip 12 through the sixth sealing strip. A seventh sealing strip is provided on the surface of the third stop strip 23 close to the third sealing strip 13. When the door body 2 slides to the second position, the third stop strip 23 is pressed against the third sealing strip 13 through the seventh sealing strip.

[0068] With such an arrangement, not only is the sealing effect further enhanced, but also the impact generated when the door body 2 slides to the second position is reduced.

[0069] It should be noted that the positions of the first stop strip 21 and the first sealing strip 11 can be interchanged, that is, the first stop strip 21 is connected to the door frame 1 and the first sealing strip 11 is connected to the door body 2.

[0070] The positions of the second stop strip 22 and the second sealing strip 12 can be interchanged, that is, the second stop strip 22 is connected to the door frame 1 and the second sealing strip 12 is connected to the door body 2.

[0071] The positions of the third stop strip 23 and the third sealing strip 13 can be interchanged, that is, the third stop strip 23 is connected to the door frame 1 and the third sealing strip 13 is connected to the door body 2.

[0072] In an alternative embodiment, as Figure 2 and Figure 8 shown, the sliding door further includes a fourth sealing strip 14. The fourth sealing strip 14 is connected to the door frame 1, and in the first direction X, the fourth sealing strip 14 is located on the front side of the door body 2 and on the front side of the door opening. Thus, when the door body 2 moves towards the second position, the front side of the door body 2 in the first direction X can be pressed against the fourth sealing strip 14.

[0073] In this way, when closing the door, the door body 2 is pushed to slide from the first position to the second position until the door body 2 slides to the second position to complete the door closing action. At this time, the door body 2 covers the door opening. During the door closing process, the door body 2 drives the first stop strip 21 to move closer to the first sealing strip 11, and at the same time drives the second stop strip 22 to move closer to the second sealing strip 12, and at the same time moves closer to the fourth sealing strip 14 itself. Until the door body 2 slides to the second position, the first stop strip 21 is pressed against the first sealing strip 11, the second stop strip 22 is pressed against the second sealing strip 12, and the front side of the door body 2 in the first direction X is pressed against the fourth sealing strip 14. Thus, on the upper side of the door opening, the door body 2 completes the sealing by pressing the first stop strip 21 and the first sealing strip 11. On the lower side of the door opening, the door body 2 completes the sealing by pressing the second stop strip 22 and the second sealing strip 12. On the front side of the door opening in the first direction X, the door body 2 completes the sealing by pressing against the fourth sealing strip 14. Effectively prevent dust and water from entering the door opening from the upper and lower sides of the door opening and the front side in the first direction X, enhancing the sealing performance of the upper and lower sides and the rear side of the sliding door.

[0074] It should be noted that the length of the fourth sealing strip 14 should be longer than the front side edge of the door opening in the first direction X, that is, the first end of the fourth sealing strip 14 should extend out of the upper side of the door opening, and the second end of the second sealing strip 12 should extend out of the lower side of the door opening.

[0075] Thus, it is ensured that the pressing length between the door body 2 and the fourth sealing strip 14 is longer than the front side edge of the door opening in the first direction X, so as to ensure sufficient and effective sealing on the front side of the door opening in the first direction X.

[0076] An installation plate is connected to the door frame 1. The installation plate is located on the front side of the door body 2 in the first direction X. The fourth sealing strip 14 is connected to the installation plate to be connected to the door frame 1 through the installation plate.

[0077] In some embodiments, both the fourth sealing strip 14 and the third sealing strip 13 are connected to the door frame 1 in the above manner, effectively preventing dust and water from entering the door opening from the upper and lower sides of the door opening and the front and rear sides in the first direction X, enhancing the sealing performance of the upper and lower sides and the front and rear sides of the sliding door.

[0078] In other embodiments, the first sealing strip 11, the second sealing strip 12, the third sealing strip 13 and the fourth sealing strip 14 are made of rubber or silica gel.

[0079] In a further embodiment, as Figure 2As shown, the sliding door further includes a first baffle 15. The first baffle 15 is connected to the door frame 1. When the door body 2 slides to the second position, the door body 2 is pressed against the fourth sealing strip 14, and at this time, the first baffle 15 is located at the side of the connection between the door body 2 and the fourth sealing strip 14 away from the door opening. Thus, the first baffle 15 plays a preliminary sealing role, blocking foreign matter such as dust or water to a certain extent, and preventing it from reaching the connection between the door body 2 and the fourth sealing strip 14. Thus, the sealing pressure at the connection between the door body 2 and the fourth sealing strip 14 is reduced, and the sealing effect is further enhanced.

[0080] In some embodiments, the first baffle 15 is connected to the door frame 1 through a first connecting plate, wherein the first connecting plate may be the above-mentioned mounting plate.

[0081] As an optional embodiment, Figure 2 As shown, the sliding door further includes a second baffle 16, which is connected to the door frame 1. When the door body 2 slides to the second position, the second baffle 16 is located on the side of the upper edge of the door body 2 away from the door opening. Thus, the second baffle 16 plays a preliminary sealing role, blocking foreign matter such as dust or water to a certain extent, and preventing them from passing through the upper edge of the door body 2 and entering the upper side between the door body 2 and the door frame 1. Thus, the sealing pressure at the connection between the first baffle 21 and the first sealing strip 11 is reduced, and the sealing effect is further enhanced.

[0082] In some embodiments, the second baffle 16 is connected to the door frame 1 through a first connecting plate. The slide rail may be arranged on the first connecting plate.

[0083] As an optional embodiment, Figure 3 As shown, the guide rail includes a first guide rail 3, which is connected to the door frame 1 and arranged along the first direction X. The first guide rail 3 is provided with a first slide groove 31, which extends along the first direction X. The first slide groove 31 has a bottom sliding surface, a first side sliding surface and a second side sliding surface. The first side sliding surface and the second side sliding surface are arranged opposite to each other.

[0084] like Figure 6 As shown, the door body 2 is connected with a first roller group 41, which includes a first roller 41, a second roller 42, a third roller 43 and a first mounting frame 44. The first mounting frame 44 is connected to the door body 2, and the first roller group 41 is located in the first slide groove 31.

[0085] The first roller 41 is rotatably connected to the first mounting frame 44, and the first roller 41 is rollingly connected to the bottom sliding surface. When the door body 2 slides along the first direction X, the first roller 41 group slides along the first slide groove 31, and the first roller 41 rolls along the bottom sliding surface to reduce friction and reduce the resistance of the door body 2 sliding along the first direction X.

[0086] The second roller 42 and the third roller 43 are respectively rotatably connected to the first mounting bracket 44. During the process of the door body 2 sliding in the first direction X, when the door body 2 moves a small distance away from the door frame 1, the second roller 42 is in rolling connection with the first side sliding contact surface; when the door body 2 turns and moves a small distance closer to the door frame 1, the third roller 43 is in rolling connection with the second side sliding contact surface. Thus, it is realized to limit the door body 2 from disengaging in the direction of laterally moving away from the door frame 1.

[0087] The rolling of the second roller 42 along the first side sliding contact surface or the rolling of the third roller 43 along the second side sliding contact surface reduces the frictional force and decreases the resistance of the door body 2 sliding in the first direction X.

[0088] As an alternative embodiment, as Figure 4 shown, the guide rail includes a second guide rail 5. The second guide rail 5 is connected to the door frame 1 and is arranged along the first direction X. A second chute 51 is formed in the second guide rail 5, and the second chute 51 extends along the first direction X. The second chute 51 has a third side sliding contact surface and a fourth side sliding contact surface. The third side sliding contact surface and the fourth side sliding contact surface are arranged opposite to each other.

[0089] As Figure 7 shown, a group of second rollers 42 is connected to the door body 2. The group of second rollers 42 includes a second mounting bracket 62 and a fourth roller 61. The second mounting bracket 62 is connected to the door body 2, and the group of second rollers 42 is located in the second chute 51.

[0090] The second roller 42 is rotatably connected to the second mounting bracket 62. During the process of the door body 2 sliding in the first direction X, the group of second rollers 42 slides along the second chute 51. When the door body 2 moves a small distance away from the door frame 1, the fourth roller 61 is in rolling connection with the third side sliding contact surface; when the door body 2 turns and moves a small distance closer to the door frame 1, the fourth roller 61 is in rolling connection with the fourth side sliding contact surface. Thus, it is realized to limit the door body 2 from disengaging in the direction of laterally moving away from the door frame 1 at the lower side.

[0091] The rolling of the fourth roller 61 along the third side sliding contact surface or the fourth side sliding contact surface reduces the frictional force and decreases the resistance of the door body 2 sliding in the first direction X.

[0092] According to an embodiment of the present application, on the other hand, a cab is further provided. The cab includes any of the above sliding doors. The technical effects brought by the cab are the same as those of the sliding door, so details are not described herein again.

[0093] According to an embodiment of the present application, on the other hand, a vehicle is further provided, including any of the above sliding doors or cabs. The technical effects brought by the vehicle are the same as those of the sliding door or cab, so details are not described herein again.

[0094] The vehicle can be an engineering vehicle such as a loader or an excavator.

[0095] Although embodiments of the present application have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present application, and such modifications and variations fall within the scope defined by the present application.

Claims

1. A sliding door, characterized in that, Including: A gantry (1) with a door opening, and guide rails are provided on the gantry (1). A door body (2) slidably connected to the guide rails to slide between a first position and a second position. When the door body (2) is in the first position, it is away from the door opening. When the door body (2) is in the second position, it covers the door opening. A first sealing strip (11) connected to the side of the gantry (1) close to the door body (2) and located above the door opening. The first sealing strip (11) is inclined upward along a first direction. A second sealing strip (12) connected to the side of the gantry (1) close to the door body (2) and located below the door opening. The second sealing strip (12) is inclined downward along the first direction. A first stop strip (21) connected to the side of the door body (2) close to the gantry (1) and parallel to the first sealing strip (11). A second stop strip (22) connected to the side of the door body (2) close to the gantry (1) and parallel to the second sealing strip (12). The first direction is the direction in which the door body (2) slides from the first position to the second position. When the door body (2) is in the second position, the first stop strip (21) is pressed against the first sealing strip (11), and the second stop strip (22) is pressed against the second sealing strip (12).

2. The sliding door according to claim 1, wherein It further includes: A third sealing strip (13) connected to the side of the gantry (1) close to the door body (2) and located behind the door opening in the first direction. A third stop strip (23) connected to the side of the door body (2) close to the gantry (1) and parallel to the third sealing strip (13). When the door body (2) is in the first position, the third stop strip (23) presses the third sealing strip (13).

3. The sliding door according to claim 2, characterized in that, The upper part of the third sealing strip (13) is connected to the first sealing strip (11), and the lower part is connected to the second sealing strip (12). The upper part of the third stop strip (23) is connected to the first stop strip (21), and the lower part of the third stop strip (23) is connected to the second stop strip (22).

4. The sliding door according to claim 1, wherein It further includes: A fourth sealing strip (14) connected to the gantry (1) and located in front of the door opening in the first direction. The door body (2) and the fourth sealing strip (14) are arranged in sequence in the first direction. When the door body (2) is in the first position, the door body (2) presses the fourth sealing strip (14).

5. The sliding door according to claim 4, characterized in that, It further includes: A first baffle (15) connected to the gantry (1). When the door body (2) is in the first position, the first baffle (15) is located on the side away from the door opening at the connection between the door body (2) and the fourth sealing strip (14).

6. The sliding door according to claim 1, characterized in that, It further includes: A second baffle (16) connected to the gantry (1). When the door body (2) is in the first position, the second baffle (16) is located on the side away from the door opening at the upper edge of the door body (2).

7. The sliding door according to any one of claims 1-6, characterized in that, The guide rail includes a first guide rail (3) connected to the gantry (1). A first chute (31) is formed in the first guide rail (3). The first chute (31) has a bottom sliding surface, a first side sliding surface and a second side sliding surface, and the first side sliding surface and the second side sliding surface are arranged oppositely. A first roller (41) group is connected to the door body (2). The first roller (41) group includes a first roller (41), a second roller (42), a third roller (43) and a first mounting bracket (44) connected to the door body (2). The first roller (41), the second roller (42) and the third roller (43) are respectively rotatably connected to the first mounting bracket (44). The first roller (41) group is located in the first chute (31). The first roller (41) is in rolling connection with the bottom sliding surface, and the second roller (42) is in rolling connection with the first side sliding surface, or the third roller (43) is in rolling connection with the second side sliding surface.

8. The sliding door according to any one of claims 1-6, characterized in that, The guide rail includes a second guide rail (5) connected to the gantry (1). A second chute (51) is formed in the second guide rail (5). The second chute (51) has a third side sliding surface and a fourth side sliding surface which are arranged oppositely. A second roller (42) group is connected to the door body (2). The second roller (42) group includes a fourth roller (61) and a second mounting bracket (62). The second mounting bracket (62) is connected to the door body (2). The fourth roller (61) is rotatably connected to the second mounting bracket (62). The second roller (42) group is located in the second chute (51). The fourth roller (61) is in rolling connection with one of the third side sliding surface and the fourth side sliding surface.

9. A cab, characterized in that, It includes the sliding door according to any one of claims 1-8.

10. A vehicle, characterized in that, It includes the sliding door according to any one of claims 1-8 or the cab according to claim 9.

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