Sliding door and vehicle

Abstract

The application belongs to the technical field of vehicles, and discloses a sliding plug door and a vehicle. The vehicle is provided with the sliding plug door. The sliding plug door comprises a rack, a driving device, a connecting device and a door body. The rack comprises a bottom plate and a support plate. The bottom plate is provided with a sliding groove. The driving device comprises a driving assembly and a transmission part. The driving assembly is connected to the rack. The driving assembly is in transmission connection with the transmission part. The driving assembly drives the transmission part to make reciprocating motion. The connecting device comprises a connecting rod and a sliding part. The connecting rod is supported between the two support plates. The sliding part can slide along the connecting rod. The sliding part is provided with a sliding block. The sliding block is slidingly arranged in the sliding groove. The transmission part and the sliding part are connected through a connecting guide structure. The connecting guide structure can lock the transmission part and the sliding part when the door is closed. The sliding plug door can lock the door body when the door is closed. The door body can be prevented from being accidentally opened due to vibration of the vehicle. The safety of driving is ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of vehicle technology, in particular to a sliding plug door and a vehicle. BACKGROUND

[0002] The sliding plug door is a new type of passenger car door, which gradually replaces the traditional passenger car door with higher safety, reliability and comfort. The linkage mechanism, which converts the rotary motion of the screw rod of the sliding plug door into the opening and closing motion of the door leaf, is the core mechanism of the sliding plug door mechanism, and largely determines the performance, reliability and safety of the entire sliding plug door.

[0003] The existing electric sliding plug door system uses a screw drive, which is generally a motor driving a screw rod, driving a nut assembly arranged on the screw rod to reciprocate, and in turn driving a door leaf connected with the nut assembly. In order to ensure safety during driving, the nut assembly is usually locked by an electromagnetic lock to realize the function of locking the door. However, the electromagnetic lock must be powered at all times to ensure the stability of the locked door. If the electromagnetic lock is powered off, there is a risk of the door opening automatically, which poses a safety hazard. SUMMARY

[0004] The purpose of the present application is to provide a sliding plug door and a vehicle, which has a locking function through a simple mechanical structure, and does not have the risk of accidental opening of the door due to vibration of the vehicle during driving, ensuring the safety of personnel.

[0005] To achieve this purpose, the present application adopts the following technical solutions:

[0006] The sliding plug door comprises:

[0007] The rack comprises a bottom plate and two support plates, the two support plates are arranged on both sides of the bottom plate, the bottom plate is provided with a sliding groove, and the sliding groove comprises a straight section and a curved section;

[0008] The driving device comprises a driving assembly and a transmission member, the driving assembly is installed on the rack, the driving assembly is in transmission connection with the transmission member, and the driving assembly drives the transmission member to reciprocate;

[0009] The connecting device comprises a connecting rod and a sliding member, the connecting rod is supported between the two support plates, and the connecting rod can slide relative to the support plates in a second direction, the sliding member is slidably arranged on the connecting rod, and the sliding member is provided with a sliding block, and the sliding block is slidably arranged in the sliding groove;

[0010] The door body is connected to the sliding member;

[0011] The transmission member is connected with the sliding member through a connecting guide structure, the driving assembly drives the transmission member to move, and then drives the sliding member to slide along the connecting rod, and the connecting guide structure can lock the transmission member and the sliding member when the door is closed.

[0012] As preferred, the driving assembly comprises a driving motor and a screw rod, the driving motor is in transmission connection with the screw rod, the transmission member is a screw rod nut, and the screw rod nut is screwed with the screw rod; the screw rod is provided with opposite threads on left and right sides, the screw rod nut comprises a first screw rod nut and a second screw rod nut, the first screw rod nut and the second screw rod nut are screwed on the left and right sides of the screw rod respectively, and the driving motor drives the screw rod to rotate so as to make the first screw rod nut and the second screw rod nut approach or move away from each other;

[0013] The sliding groove comprises a first sliding groove and a second sliding groove, and the sliding member comprises a first sliding member and a second sliding member; the first sliding member is provided with a first sliding block, the second sliding member is provided with a second sliding block, the first sliding block is slidingly arranged in the first sliding groove, and the second sliding block is slidingly arranged in the second sliding groove.

[0014] The connecting guide structure comprises a first connecting guide structure and a second connecting guide structure, the first screw rod nut and the first sliding member are connected through the first connecting guide structure, and the second screw rod nut and the second sliding member are connected through the second connecting guide structure.

[0015] As preferred, the first sliding groove comprises a first straight section and a first curved section, the second sliding groove comprises a second straight section and a second curved section, the first straight section and the second straight section are collinear and parallel to the screw rod, and the first curved section and the second curved section gradually approach the screw rod.

[0016] As preferred, one of the first screw rod nut and the first sliding member is provided with a first guide piece, the other of the first screw rod nut and the second sliding member is provided with a first guide groove, the first guide piece is slidingly arranged in the first guide groove, the first guide groove has a first locking section, when the first guide piece abuts against the end of the first locking section, the first screw rod nut and the first sliding member are locked, and the first guide piece and the first guide groove form the first connecting guide structure.

[0017] One of the second screw rod nut and the second sliding member is provided with a second guide piece, the other of the second screw rod nut and the second sliding member is provided with a second guide groove, the second guide piece is slidingly arranged in the second guide groove, the second guide groove has a second locking section, the second guide piece is clamped with the second locking section to lock the second screw rod nut and the second sliding member, and the second guide piece and the second guide groove form the second connecting guide structure.

[0018] As preferred, the first guide groove and the second guide groove are both L-shaped.

[0019] As preferred, the first guide member is rotationally provided with a first guide wheel, and the first guide wheel is slidingly arranged in the first guide groove.

[0020] As preferred, the first sliding block is rotationally provided with a third guide wheel, and the third guide wheel is slidingly arranged in the first sliding groove.

[0021] As preferred, the two support plates are provided with support grooves, and the two ends of the connecting rod are rotationally provided with support wheels, and the two support wheels are slidingly arranged in the two support grooves.

[0022] As preferred, the rack further comprises a support seat, and the support seat is fixedly connected to the bottom plate, and the connecting rod is slidingly arranged in the support seat.

[0023] The application also adopts the following technical scheme:

[0024] The application also discloses a vehicle, which comprises the sliding plug door.

[0025] The application has the following beneficial effects:

[0026] The application discloses a sliding plug door, which comprises a rack, a driving device, a connecting device and a door body.

[0027] The application also discloses a vehicle, which comprises the sliding plug door. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is a partial structure diagram of the sliding plug door of the embodiment of the application Figure 1 ;

[0029] Figure 2 is Figure 1 a partial enlarged view of A in FIG. 6

[0030] Figure 3 is a partial structure diagram of a sliding plug door of an embodiment of the present application Figure 2 ;

[0031] Figure 4 is a diagram of connection between a first screw nut and a first sliding member of an embodiment of the present application

[0032] Figure 5 is a diagram of structure of a first screw nut and a first connecting plate of an embodiment of the present application

[0033] Figure 6 is a diagram of an open state of a sliding plug door of an embodiment of the present application

[0034] Figure 7 is a diagram of a closed state of a sliding plug door of an embodiment of the present application

[0035] Figure 8 is a partial enlarged view of B in Figure 7

[0036] in the figure:

[0037] 1, frame; 10, bottom plate; 101, first sliding groove; 1011, first straight section; 1012, first curved section; 102, second sliding groove; 1021, second straight section; 1022, second curved section; 11, support plate; 111, support groove; 103, third sliding groove

[0038] 2, driving device; 20, driving motor; 21, screw rod; 22, first screw nut; 220, first connecting plate; 221, first guide groove; 2211, first locking section; 23, second screw nut; 230, second connecting plate; 231, second guide groove

[0039] 3, connecting device; 30, connecting rod; 31, first sliding member; 311, first sliding block; 3111, third guide wheel; 312, first guide member; 3121, first guide wheel; 32, second sliding member; 321, second sliding block; 3211, fourth guide wheel; 322, second guide member; 3221, second guide wheel

[0040] 4, support seat DETAILED DESCRIPTION

[0041] The present application will be further described below in conjunction with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application. In addition, it should be noted that, for the convenience of description, only the parts related to the present application are shown in the drawings, but not all the structures.

[0042] ​In the description of the present application, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0043] In the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the first feature is higher in horizontal height than the second feature. The first feature "under", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the first feature is lower in horizontal height than the second feature.

[0044] In the description of the present embodiment, the terms "up", "down", "right", and the like orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0045] The plug door is a common passenger car door, which gradually replaces the traditional inside swing door due to its safety, reliability and comfort. The existing electric plug door system uses a screw drive, which is generally a motor driving screw rod, driving the nut assembly arranged on the screw rod to reciprocate, and then driving the door leaf connected with the nut assembly. An electromagnetic lock is usually used to lock the nut assembly, but once the electromagnetic lock is powered off, there is a risk of accidental opening of the door, which has a safety hazard.

[0046] Accordingly, the present embodiment provides a plug door.

[0047] As Figures 1 to 8As shown, the plug door provided by the embodiment comprises a rack 1, a driving device 2, a connecting device 3 and a door body (not shown in the figure), the rack 1 comprises a bottom plate 10 and two support plates 11, the two support plates 11 are arranged on the two sides of the bottom plate 10, the bottom plate 10 is provided with a sliding groove, the sliding groove comprises a straight section and a curved section; the driving device 2 comprises a driving assembly and a transmission member, the driving assembly is installed on the rack, the driving assembly is in transmission connection with the transmission member, and the driving assembly drives the transmission member to make reciprocating motion in a first direction; the connecting device 3 comprises a connecting rod 30 and a sliding member, the connecting rod 30 is supported between the two support plates 11, and the connecting rod 30 can slide relative to the support plates 11 in a second direction, the sliding member is slidably arranged on the connecting rod 30, and the sliding member is provided with a sliding block, the sliding block is slidably arranged in the sliding groove, wherein the first direction is perpendicular to the second direction; the door body is connected to the sliding member, wherein the transmission member and the sliding member are connected through a connecting guide structure, the driving assembly drives the transmission member to move, thereby driving the sliding member to slide along the connecting rod 30, and the connecting guide structure can lock the transmission member and the sliding member when the door is in a closed state. Specifically, in the embodiment, the bottom plate 10 and the support plates 11 are connected through connecting members, for example, bolts and nuts, in other embodiments, the bottom plate 10 and the support plates 11 can also be connected in other ways, for example, welding. The driving assembly is installed on one side of the support plate 11 through the bolt and the nut, the driving assembly drives the transmission member to make reciprocating motion in a direction perpendicular to the support plate 11, i.e., the first direction. The connecting rod 30 is also arranged in the first direction, the transmission member and the sliding member are connected through the connecting guide structure, when the driving assembly drives the transmission member to move in the first direction, the transmission member can drive the sliding member and the door body to move in the axial direction of the connecting rod 30 (i.e., the first direction), the sliding member is provided with a sliding block, the sliding block can slide along the sliding groove, and the sliding groove has a straight section and a curved section, thereby enabling the door body to move along the movement track of the sliding groove, achieving the plug effect of the door. Moreover, the connecting guide structure can lock the transmission member and the sliding member when the door is closed, avoiding accidental opening of the door due to vibration, and ensuring driving safety. Further, as shown in the figure, the connecting guide structure comprises a connecting rod 31 and a connecting block 32, the connecting rod 31 is arranged on the connecting rod 30, and the connecting block 32 is arranged on the transmission member, the connecting rod 31 is connected to the connecting block 32 through a connecting member, for example, a bolt and a nut, in other embodiments, the connecting rod 31 and the connecting block 32 can also be connected in other ways, for example, welding. When the door is closed, the connecting guide structure can lock the transmission member and the sliding member, avoiding accidental opening of the door due to vibration, and ensuring driving safety. Figure 3As shown, the driving assembly includes a driving motor 20 and a lead screw 21, the driving motor 20 is in transmission connection with the lead screw 21, the transmission member is a lead screw nut, the lead screw nut is in screw connection with the lead screw 21; the lead screw 21 is provided with opposite threads on the left and right sides, the lead screw nut includes a first lead screw nut 22 and a second lead screw nut 23, the first lead screw nut 22 and the second lead screw nut 23 are respectively in screw connection with the left and right sides of the lead screw 21, the driving motor 20 drives the lead screw 21 to rotate, so that the first lead screw nut 22 and the second lead screw nut 23 are close to or away from each other; the sliding groove includes a first sliding groove 101 and a second sliding groove 102, the sliding member includes a first sliding member 31 and a second sliding member 32, the first sliding member 31 is provided with a first sliding block 311, the second sliding member 32 is provided with a second sliding block 321, the first sliding block 311 is slidingly arranged in the first sliding groove 101, and the second sliding block 321 is slidingly arranged in the second sliding groove 102; the connecting and guiding structure includes a first connecting and guiding structure and a second connecting and guiding structure, the first lead screw nut 22 is connected with the first sliding member 31 through the first connecting and guiding structure, and the second lead screw nut 23 is connected with the second sliding member 32 through the second connecting and guiding structure. Specifically, in the embodiment, the driving assembly is the driving motor 20 and the lead screw 21, one end of the lead screw 21 is in transmission connection with the driving motor 20, the other end is rotatably connected to the support plate 11 on the other side through a bearing, the lead screw 21 can rotate clockwise or counterclockwise under the drive of the driving motor 20, and then drive the lead screw nut to reciprocate along the axis direction (i.e. the first direction) of the lead screw 21. The plug door includes two door bodies, which are a first door body and a second door body, the lead screw 21 is provided with opposite threads on the left and right sides, the first lead screw nut 22 and the second lead screw nut 23 are respectively in screw connection with the two sides of the lead screw 21, when the driving motor 20 drives the lead screw 21 to rotate, the first lead screw nut 22 and the second lead screw nut 23 can be close to or away from each other; the first lead screw nut 22 is connected with the first sliding member 31 through the first connecting and guiding structure, and the second lead screw nut 23 is connected with the second sliding member 32 through the second connecting and guiding structure, when the driving motor 20 drives the lead screw 21 to rotate, the first door body connected with the first sliding member 31 and the second door body connected with the second sliding member 32 can be simultaneously opened or closed, and when the first door body and the second door body are closed, the first connecting and guiding structure locks the first lead screw nut 22 and the first sliding member 31, so as to avoid that the first door body is accidentally opened, the second connecting and guiding structure locks the second lead screw nut 23 and the second sliding member 32, so as to avoid that the second door body is accidentally opened, and the driving safety is ensured. Alternatively, in other embodiments, the driving assembly can also be other linear reciprocating driving mechanisms, for example: a gas cylinder, and the like, which will not be described herein.

[0048] Further, the first sliding groove 101 comprises a first straight section 1011 and a first curved section 1012, and the second sliding groove 102 comprises a second straight section 1021 and a second curved section 1022, the first straight section 1011 and the second straight section 1021 are collinear and parallel to the lead screw 21, and the first curved section 1012 and the second curved section 1022 are both gradually close to the lead screw 21. Specifically, in this embodiment, such a design can make the first door body and the second door body both away from the vehicle body when opening the door, avoiding the collision between the door body and the vehicle body, and make the first door body and the second door body both aligned with the vehicle body when closing the door, ensuring the closing effect.

[0049] Further, as shown in FIG. 1, the first sliding groove 101 and the second sliding groove 102 are arranged on the first door body and the second door body respectively, and the first sliding groove 101 and the second sliding groove 102 are both arranged on the same side of the first door body and the second door body respectively. Figure 4As shown, one of the first screw nut 22 and the first sliding piece 31 is provided with a first guide piece 312, the other of the first screw nut 22 and the second sliding piece 32 is provided with a first guide groove 221, the first guide piece 312 is slidingly arranged in the first guide groove 221, the first guide groove 221 has a first locking section 2211, when the first guide piece 312 abuts against the end of the first locking section 2211, the first screw nut 22 and the first sliding piece 31 are locked, the first guide piece 312 and the first guide groove 221 form a first connecting guide structure; one of the second screw nut 23 and the second sliding piece 32 is provided with a second guide piece 322, the other of the second screw nut 23 and the second sliding piece 32 is provided with a second guide groove 231, the second guide piece 322 is slidingly arranged in the second guide groove 231, the second guide groove 231 has a second locking section, when the second guide piece 322 abuts against the end of the second locking section, the second screw nut 23 and the second sliding piece 32 are locked, the second guide piece 322 and the second guide groove 231 form a second connecting guide structure. Specifically, in the embodiment, the first screw nut 22 is fixedly connected with a first connecting plate 220, the first connecting plate 220 is fixedly connected with the first screw nut 22, the bottom plate 10 is provided with a third sliding groove 103, the first connecting plate 220 is slidingly arranged in the third sliding groove 103, the third sliding groove 103 can guide the first connecting plate 220, ensure that the first connecting plate 220 can move along the axial direction of the lead screw 21 with the first screw nut 22, avoid the first connecting plate 220 from being stuck, the first connecting plate 220 has the first guide groove 221, the first sliding piece 31 is provided with the first guide piece 312, the first guide piece 312 can slide along the first guide groove 221, when the first sliding block 311 slides along the first curved section 1012 of the first sliding groove 101, at this time, it is in the trend of closing the door, the first guide piece 312 can slide along the first guide groove 221, when the first door is closed, the first sliding block 311 is located at the limit position of the first sliding groove 101, at this time, the first guide piece 312 is inserted and matched with the first locking section 2211, so that the first screw nut 22 and the first sliding piece 31 are locked, ensure that the first door will not be opened accidentally, ensure the safety of driving.The second connecting plate 230 is fixedly connected with the second screw nut 23, and is rotationally connected with the second screw nut 23. The second connecting plate 230 is slidingly arranged in the third sliding groove 103, and the third sliding groove 103 can guide the second connecting plate 230, so that the second connecting plate 230 can move along the axial direction of the lead screw 21 along with the rotation of the second screw nut 23, and the second connecting plate 230 is prevented from being stuck. The second connecting plate 230 is provided with a second guide groove 231, and the second sliding part 32 is provided with a second guide part 322. The second guide part 322 can slide along the second guide groove 231. When the second sliding block 321 slides along the second curved section 1022 of the second sliding groove 102, the second guide part 322 can slide along the second guide groove 231 at this time, and the second door is in the closing trend. When the second door is closed, the second sliding block 321 is located at the limit position of the second sliding groove 102. At this time, the second guide part 322 is inserted and matched with the second locking section, so that the second screw nut 23 is locked with the second sliding part 32, and the second door is prevented from being accidentally opened, and the safety of driving is ensured.

[0050] Further, as shown in Figure 5 the first guide groove 221 and the second guide groove 231 are both L-shaped. Specifically, the short side of the L-shaped first guide groove 221 is the first locking section 2211, and the short side of the L-shaped second guide groove 231 is the second locking section. The first locking section 2211 and the second locking section are arranged away from each other. When the door is closed, the first screw nut 22 and the second screw nut 23 are close to each other. This arrangement can make the first guide part 312 be able to be clamped with the first locking section 2211 and the second guide part 322 be able to be clamped with the second locking section when the door is closed, so that the first screw nut 22 and the first sliding part 31, and the second screw nut 23 and the second sliding part 32 can be locked and respond, and vibration will not cause the position of the first screw nut 22 and the second screw nut 23 to change, so that the first guide part 312 and the first locking section 2211, and the second guide part 322 and the second locking section will not be separated, and the first door and the second door will not be accidentally opened.

[0051] Further, the first guide part 312 is rotationally provided with a first guide wheel 3121, and the first guide wheel 3121 is slidingly arranged in the first guide groove 221. The second guide part 322 is rotationally provided with a second guide wheel 3221, and the second guide wheel 3221 is slidingly arranged in the second guide groove 231. Specifically, this arrangement can make the sliding of the first guide part 312 relative to the first guide groove 221 become rolling, and the sliding of the second guide part 322 relative to the second guide groove 231 become rolling, so as to reduce friction, avoid excessive wear, and prolong the service life.

[0052] Further, the first sliding block 311 is rotationally provided with a third guide wheel 3111, the third guide wheel 3111 is slidingly provided in the first sliding groove 101, the second sliding block 321 is rotationally provided with a fourth guide wheel 3211, the fourth guide wheel 3211 is slidingly provided in the second sliding groove 102. Specifically, such a setting can make the relative sliding of the first sliding block 311 and the first sliding groove 101 change into relative rolling, reduce the friction between the first sliding block 311 and the first sliding groove 101, make the opening and closing of the door more smooth, reduce the wear and tear of parts, and prolong the service life. Similarly, it can also make the relative sliding of the second sliding block 321 and the second sliding groove 102 change into relative rolling, reduce the friction between the second sliding block 321 and the second sliding groove 102.

[0053] Further, the two support plates 11 each have a support groove 111, the two ends of the connecting rod 30 are rotationally provided with support wheels, and the two support wheels are slidingly provided in the two support grooves 111. Specifically, such a setting can make the sliding of the two ends of the connecting rod 30 along the support grooves 111 change into the rolling of the support wheels along the support grooves 111, improve the smoothness of opening and closing the door, avoid unnecessary wear and tear of parts, and prolong the service life.

[0054] Further, the rack 1 further comprises a support seat 4, the support seat 4 is fixedly connected to the bottom plate 10, and the connecting rod 30 is slidingly provided in the support seat 4. Specifically, in the present embodiment, the lead screw 21 is rotationally connected to the support seat 4, such a setting can increase the support of the lead screw 21 and the connecting rod 30, improve the strength of the lead screw 21 and the connecting rod 30, avoid the bending of the lead screw 21 and the connecting rod 30, and prolong the service life of the sliding door.

[0055] Reference will be made to the following Figure 6 and Figure 7The working state of the sliding plug door is described. Taking the first door body from opening to closing as an example, and assuming that the first door body is installed on the left side of the frame 1. When the first door body is in the opening state, the first screw nut 22 is located at the leftmost end of the lead screw 21, the first connecting plate 220 is located at the leftmost end of the third sliding groove 103, the first sliding piece 31 is located at the leftmost end of the connecting rod 30, and correspondingly, the first sliding block 311 is located at one end of the first sliding groove 101 close to the left support plate 11. When closing is needed, the drive motor 20 drives the lead screw 21 to rotate, the lead screw 21 drives the first screw nut 22 to move towards the support base 4, at the same time, the first screw nut 22 drives the first connecting plate 220 to move, and then drives the first sliding piece 31 to move along the connecting rod 30 towards the support base 4, at this time, the first sliding block 311 moves along the first straight section 1011 of the first sliding groove 101, until the first sliding block 311 slides to the connection between the first straight section 1011 and the first curved section 1012; then the lead screw 21 continues to drive the first screw nut 22 to move towards the support base 4, and the first sliding block 311 moves along the first curved section 1012, under the drive of the first sliding block 311, the first guide piece 312 of the first sliding piece 31 will slide along the first guide groove 221, and then drives the connecting rod 30 to slide along the support groove 111 of the support plate 11, so that the first sliding piece 31 moves towards the lead screw 21 in the second direction and simultaneously moves towards the support base 4 in the first direction, which can make the first door body gradually close; when the first sliding block 311 abuts against the end of the first curved section 1012, the first door body will be closed; because the end of the first sliding groove 101 has a certain width in the embodiment, the lead screw 21 continues to drive the first screw nut 22 to abut against the support base 4, and then the first guide piece 312 can abut against the end of the first locking section 2211, so as to achieve the purpose of locking the first door body, avoid the first door body from being accidentally opened due to vibration, and ensure the safety of driving.

[0056] The embodiment also provides a vehicle including the sliding plug door, which can avoid the vehicle door from being accidentally opened due to vibration during driving, and ensure the safety of driving.

[0057] Obviously, the above embodiments of the present application are only examples for clear illustration of the present application, and are not intended to limit the embodiments of the present application. Any obvious changes, re-adjustment and replacement without departing from the protection scope of the present application can be made by those skilled in the art. It is unnecessary and impossible to enumerate all the embodiments. Any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. Sliding door, characterized in that The plug door comprises: a rack (1) comprising a base plate (10) and two support plates (11) arranged on both sides of the base plate (10), the base plate (10) being provided with a sliding groove comprising a straight section and a curved section; a driving device (2) comprising a driving assembly and a transmission member, the driving assembly being mounted on the rack (1) and being in driving connection with the transmission member, the driving assembly driving the transmission member to make reciprocating motion in a first direction; a connecting device (3) comprising a connecting rod (30) and a sliding member, the connecting rod (30) being supported between the two support plates (11) and being capable of sliding relative to the support plates (11) in a second direction, the sliding member being slidingly arranged on the connecting rod (30) and being provided with a sliding block slidingly arranged in the sliding groove, wherein the first direction is perpendicular to the second direction; a door body connected to the sliding member; wherein the transmission member and the sliding member are connected through a connecting guide structure, the driving assembly drives the transmission member to move, thereby driving the sliding member to slide along the connecting rod (30), and the connecting guide structure can lock the transmission member and the sliding member in a door closed state; the driving assembly comprises a driving motor (20) and a lead screw (21), the driving motor being in driving connection with the lead screw (21), the transmission member being a lead screw nut, the lead screw nut being screwed with the lead screw (21); the lead screw (21) is provided with opposite threads on left and right sides, the lead screw nut comprises a first lead screw nut (22) and a second lead screw nut (23), the first lead screw nut (22) and the second lead screw nut (23) are screwed on the left and right sides of the lead screw (21) respectively, the driving motor (20) drives the lead screw (21) to rotate, so that the first lead screw nut (22) and the second lead screw nut (23) approach or move away from each other; the sliding groove comprises a first sliding groove (101) and a second sliding groove (102), the sliding member comprises a first sliding member (31) and a second sliding member (32), the first sliding member (31) is provided with a first sliding block (311), the second sliding member (32) is provided with a second sliding block (321), the first sliding block (311) is slidingly arranged in the first sliding groove (101), and the second sliding block (321) is slidingly arranged in the second sliding groove (102); the connecting guide structure comprises a first connecting guide structure and a second connecting guide structure, the first lead screw nut (22) and the first sliding member (31) are connected through the first connecting guide structure, and the second lead screw nut (23) and the second sliding member (32) are connected through the second connecting guide structure. One of the first screw nut (22) and the first sliding piece (31) is provided with a first guide piece (312), the other of the first screw nut (22) and the second sliding piece (32) is provided with a first guide groove (221), the first guide piece (312) is slidingly arranged in the first guide groove (221), the first guide groove (221) has a first locking section (2211), when the first guide piece (312) abuts the end of the first locking section (2211), the first screw nut (22) and the first sliding piece (31) are locked, and the first guide piece (312) and the first guide groove (221) form the first connecting guide structure. One of the second screw nut (23) and the second sliding piece (32) is provided with a second guide piece (322), the other of the second screw nut (23) and the second sliding piece (32) is provided with a second guide groove (231), the second guide piece (322) is slidingly arranged in the second guide groove (231), the second guide groove (231) has a second locking section, when the second guide piece (322) abuts the end of the second locking section, the second screw nut (23) and the second sliding piece (32) are locked, and the second guide piece (322) and the second guide groove (231) form the second connecting guide structure.

2. The sliding plug door according to claim 1, characterized in that The first sliding groove (101) comprises a first straight section (1011) and a first curved section (1012), the second sliding groove (102) comprises a second straight section (1021) and a second curved section (1022), the first straight section (1011) is collinear with the second straight section (1021) and parallel to the screw rod (21), and the first curved section (1012) and the second curved section (1022) gradually approach the screw rod (21).

3. The sliding plug door according to claim 1, characterized in that The first guide groove (221) and the second guide groove (231) are both L-shaped.

4. The sliding plug door according to claim 1, characterized in that The first guide piece (312) is rotationally provided with a first guide wheel (3121), the first guide wheel (3121) is slidingly arranged in the first guide groove (221), the second guide piece (322) is rotationally provided with a second guide wheel (3221), and the second guide wheel (3221) is slidingly arranged in the second guide groove (231).

5. The sliding plug door according to claim 1, wherein The first sliding block (311) is rotationally provided with a third guide wheel (3111), the third guide wheel (3111) is slidingly arranged in the first sliding groove (101), the second sliding block (321) is rotationally provided with a fourth guide wheel (3211), and the fourth guide wheel (3211) is slidingly arranged in the second sliding groove (102).

6. The sliding plug door according to claim 1, wherein Both of the support plates (11) have support grooves (111), both ends of the connecting rod (30) are rotationally provided with support wheels, and the two support wheels are slidingly arranged in the two support grooves (111) respectively.

7. The sliding door according to any one of claims 1 to 6, characterized in that The rack (1) further comprises a support base (4) fixedly connected to the bottom plate (10), and the connecting rod (30) is slidingly arranged in the support base (4).

8. Vehicle, characterized in that The vehicle comprises the sliding plug door according to any one of claims 1-7.

Images