CN218991296U - Sliding plug door and vehicle - Google Patents

Abstract

The utility model belongs to the technical field of vehicles, and discloses a sliding plug door and a vehicle. The vehicle is provided with a sliding plug door, the sliding plug door comprises a frame, a driving device, a connecting device and a vehicle door body, the frame comprises a bottom plate and a supporting plate, and a chute is arranged on the bottom plate; the driving device comprises a driving assembly and a transmission piece, the driving assembly is connected to the frame, the driving assembly is in transmission connection with the transmission piece, and the driving assembly drives the transmission piece to reciprocate; the connecting device comprises a connecting rod and a sliding piece, the connecting rod is supported between the two supporting plates, the sliding piece can slide along the connecting rod, the sliding piece is provided with a sliding block, and the sliding block is arranged in the sliding groove in a sliding way; and the transmission piece is connected with the sliding piece through a connecting guide structure, and the connecting guide structure can lock the transmission piece and the sliding piece when the door is closed. The sliding plug door can lock the door body when the door is closed, so that the door body can be prevented from being accidentally opened due to vibration of a vehicle, and the driving safety is ensured.

Description

Sliding plug door and vehicle

Technical Field

The utility model relates to the technical field of vehicles, in particular to a sliding plug door and a vehicle.

Background

The sliding plug door is used as a novel bus door, has higher safety, reliability and comfort, and gradually replaces the traditional bus inner swing door. The linkage mechanism is used as a mechanism for converting the rotary motion of the screw rod of the sliding plug door into the opening and closing motion of the door leaf, is a core mechanism of the sliding plug door mechanism, and determines the performance, reliability and safety of the whole sliding plug door to a great extent.

Screw drive, generally a motor drive screw, used in the existing electric sliding plug door system drives a nut component arranged on the screw to reciprocate, so as to drive a door leaf connected with the nut component. In order to ensure the safety in the driving process, the nut component is usually required to be locked by the electromagnetic lock, so that the function of locking the door is realized, but the electromagnetic lock must be electrified at any time to ensure the stability of locking the door, and if the electromagnetic lock is powered off, the risk of automatically opening the door exists, so that potential safety hazards are generated.

Disclosure of Invention

The utility model aims to provide a sliding plug door and a vehicle, wherein the sliding plug door has a locking function through a simple mechanical structure, and the unexpected opening of a vehicle door caused by vehicle vibration can not occur in the running process of the vehicle, so that the safety of personnel is ensured.

To achieve the purpose, the utility model adopts the following technical scheme:

a sliding plug door, the sliding plug door comprising:

the rack comprises a bottom plate and two support plates, wherein the two support plates are arranged on two sides of the bottom plate, the bottom plate is provided with a chute, and the chute comprises a straight section and a bent section;

the driving device comprises a driving assembly and a transmission piece, the driving assembly is arranged on the frame, the driving assembly is in transmission connection with the transmission piece, and the driving assembly drives the transmission piece to do reciprocating motion;

the connecting device comprises a connecting rod and a sliding piece, the connecting rod is supported between the two supporting plates, the connecting rod can slide relative to the supporting plates along the second direction, the sliding piece is arranged on the connecting rod in a sliding mode, the sliding piece is provided with a sliding block, and the sliding block is arranged on the sliding groove in a sliding mode;

the vehicle door body is connected to the sliding piece;

the driving component moves through driving the driving component, and then drives the sliding component to slide along the connecting rod, and the connecting guide structure can lock the driving component and the sliding component when the vehicle door is in a closed state.

Preferably, the driving assembly comprises a driving motor and a screw rod, the driving motor is in transmission connection with the screw rod, the transmission piece is a screw rod nut, and the screw rod nut is in threaded connection with the screw rod; opposite threads are arranged on the left side and the right side of the screw rod, 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 respectively connected to the left side and the right side of the screw rod in a screwed mode, and the driving motor drives the screw rod to rotate so that the first screw rod nut and the second screw rod nut are close to each other or far away from each other;

the sliding groove comprises a first sliding groove and a second sliding groove, the sliding piece comprises a first sliding piece and a second sliding piece, the first sliding piece is provided with a first sliding block, the second sliding piece is provided with a second sliding block, the first sliding block is arranged on the first sliding groove in a sliding mode, and the second sliding block is arranged on the second sliding groove in a sliding mode;

the connecting guide structure comprises a first connecting guide structure and a second connecting guide structure, the first screw nut is connected with the first sliding piece through the first connecting guide structure, and the second screw nut is connected with the second sliding piece through the second connecting guide structure.

Preferably, the first sliding groove comprises a first straight section and a first bent section, the second sliding groove comprises a second straight section and a second bent section, the first straight section and the second straight section are collinear and parallel to the screw rod, and the first bent section and the second bent section are gradually close to the screw rod.

Preferably, one of the first lead screw nut and the first sliding member is provided with a first guide member, the other of the first lead screw nut and the second sliding member is provided with a first guide groove, the first guide member is slidably arranged in the first guide groove, the first guide groove is provided with a first locking section, when the first guide member is abutted against the tail end of the first locking section, the first lead screw nut is locked with the first sliding member, and the first guide member and the first guide groove form a first connection guide structure;

one of the second screw nut and the second sliding part is provided with a second guide piece, the other one of the second screw nut and the second sliding part is provided with a second guide groove, the second guide piece is arranged in the second guide groove in a sliding mode, the second guide groove is provided with a second locking section, the second guide piece is clamped with the second locking section to lock the second screw nut and the second sliding part, and the second guide piece and the second guide groove form a second connection guide structure.

Preferably, the first guide groove and the second guide groove are both L-shaped.

Preferably, the first guide piece is rotatably provided with a first guide wheel, and the first guide wheel is slidably arranged in the first guide groove; the second guide piece is rotatably provided with a second guide wheel, and the second guide wheel is arranged in the second guide groove in a sliding way.

Preferably, the first sliding block is rotatably provided with a third guide wheel, the third guide wheel is slidably arranged on the first sliding groove, the second sliding block is rotatably provided with a fourth guide wheel, and the fourth guide wheel is slidably arranged on the second sliding groove.

Preferably, the two support plates are respectively provided with a support groove, the two ends of the connecting rod are rotatably provided with support wheels, and the two support wheels are respectively and slidably arranged in the two support grooves.

Preferably, the rack further comprises a supporting seat, the supporting seat is fixedly connected to the bottom plate, and the connecting rod is slidably arranged on the supporting seat.

The utility model also adopts the following technical scheme:

vehicle, vehicle includes above-mentioned sliding plug door.

The utility model has the beneficial effects that:

the utility model discloses a sliding plug door, which comprises a frame, a driving device, a connecting device and a vehicle door body, wherein the frame comprises a bottom plate and a supporting plate, and a chute is arranged on the bottom plate; the driving device comprises a driving assembly and a transmission piece, the driving assembly is arranged on the frame, the driving assembly is in transmission connection with the transmission piece, and the driving assembly drives the transmission piece to do reciprocating motion; the method comprises the steps of carrying out a first treatment on the surface of the The connecting device comprises a connecting rod and a sliding piece, the connecting rod is supported between the two supporting plates, the sliding piece can slide along the connecting rod, the sliding piece is provided with a sliding block, and the sliding block is arranged in the sliding groove in a sliding way; the transmission piece is connected with the sliding piece through a connecting guide structure; the driving assembly drives the transmission piece to reciprocate, the transmission piece is connected with the sliding piece through the connecting guide structure, and then the sliding block capable of driving the sliding piece slides along the sliding groove, the sliding groove is provided with the straight section and the bent section, so that the door body can be driven to open and close, the connecting guide structure can lock the transmission piece and the sliding piece when the door body is closed, the door body caused by vibration can be prevented from being accidentally opened, and danger is avoided.

The utility model also discloses a vehicle which comprises the sliding plug door, so that the unexpected opening of the vehicle door body in the running process can be avoided, and the running safety is ensured.

Drawings

Fig. 1 is a schematic view of a partial structure of a sliding plug door according to an embodiment of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1A;

FIG. 3 is a schematic diagram showing a partial structure of a sliding plug door according to an embodiment of the present utility model;

FIG. 4 is a schematic illustration of a first lead screw nut coupled to a first slider according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a first lead screw nut and a first connecting plate according to an embodiment of the present utility model;

fig. 6 is a schematic view of a door opening state of the sliding plug door according to the embodiment of the present utility model;

fig. 7 is a schematic view of a door closing state of the sliding plug door according to the embodiment of the present utility model;

fig. 8 is a partial enlarged view of B in fig. 7.

In the figure:

1. a frame; 10. a bottom plate; 101. a first chute; 1011. a first straight section; 1012. a first curved section; 102. a second chute; 1021. a second straight section; 1022. a second curved section; 11. a support plate; 111. a support groove; 103. a third chute;

2. a driving device; 20. a driving motor; 21. a screw rod; 22. a first lead screw nut; 220. a first connection plate; 221. a first guide groove; 2211. a first locking section; 23. a second lead screw nut; 230. a second connecting plate; 231. a second guide groove;

3. a connecting device; 30. a connecting rod; 31. a first slider; 311. a first slider; 3111. a third guide wheel; 312. a first guide; 3121. a first guide wheel; 32. a second slider; 321. a second slider; 3211. a fourth guide wheel; 322. a second guide; 3221. a second guide wheel;

4. and a supporting seat.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The sliding plug door is a common bus door, and the safety, the reliability and the comfort of the sliding plug door gradually replace the traditional inner swinging door, so that the screw drive used by the electric sliding plug door system in the prior art is generally a motor drive screw rod, a nut component arranged on the screw rod is driven to reciprocate, and then a door leaf connected with the nut component is driven. The nut component is usually locked by using the electromagnetic lock, but once the electromagnetic lock is powered off, the risk of unexpected opening of the vehicle door exists, and potential safety hazards exist.

Accordingly, the present embodiment provides a sliding plug door.

As shown in fig. 1 to 8, the sliding plug door provided in this embodiment includes a frame 1, a driving device 2, a connecting device 3, and a door body (not shown in the drawings), the frame 1 includes a bottom plate 10 and two support plates 11, the two support plates 11 are disposed on two sides of the bottom plate 10, the bottom plate 10 is provided with a chute, and the chute includes a straight section and a curved section; the driving device 2 comprises a driving assembly and a transmission piece, the driving assembly is arranged on the frame, the driving assembly is in transmission connection with the transmission piece, and the driving assembly drives the transmission piece to reciprocate along a first direction; the connecting device 3 comprises a connecting rod 30 and a sliding piece, the connecting rod 30 is supported between the two supporting plates 11, the connecting rod 30 can slide relative to the supporting plates 11 along a second direction, the sliding piece is arranged on the connecting rod 30 in a sliding mode, the sliding piece is provided with a sliding block, the sliding block is arranged on the sliding groove in a sliding mode, and the first direction is perpendicular to the second direction; the door body is connected to the slider, wherein the transmission member is connected to the slider through a connection guide structure, the driving assembly moves through driving the transmission member, and then drives the slider to slide along the connecting rod 30, and the connection guide structure can lock the transmission member and the slider in a door closing state. Specifically, in this embodiment, the base plate 10 and the support plate 11 are connected by a connecting member, such as a bolt and a nut, and in other embodiments, other connection manners, such as welding, may be adopted for the base plate 10 and the support plate 11. The driving assembly is mounted on the supporting plate 11 at one side through bolts and nuts, and drives the driving member to reciprocate in a direction perpendicular to the supporting plate 11, i.e., in the first direction. The connecting rod 30 also sets up along first direction, and the driving medium passes through the connection guide structure with the slider to be connected, and when the driving assembly drive driving medium moved along first direction, the driving medium can drive slider and door body along the axial (i.e. first direction) motion of connecting rod 30, and the slider is provided with the slider, and the slider can follow the spout and slide, and the spout has straight section and curved section, and then can make the door body move along the motion trail of spout, reaches the plug effect of door. And the connecting guide structure can lock the transmission part and the sliding part when the door is closed, so that accidental opening of the door caused by vibration is avoided, and running safety is ensured. Further, as shown in fig. 3, the driving assembly comprises a driving motor 20 and a screw 21, the driving motor 20 is in transmission connection with the screw 21, and the transmission part is a screw nut which is in threaded connection with the screw 21; opposite threads are arranged on the left side and the right side of the screw rod 21, the screw rod nuts comprise a first screw rod nut 22 and a second screw rod nut 23, the first screw rod nut 22 and the second screw rod nut 23 are respectively in threaded connection with the left side and the right side of the screw rod 21, and the driving motor 20 drives the screw rod 21 to rotate so as to enable the first screw rod nut 22 and the second screw rod nut 23 to be close to each other or far away from each other; the sliding groove comprises a first sliding groove 101 and a second sliding groove 102, the sliding parts comprise a first sliding part 31 and a second sliding part 32, the first sliding part 31 is provided with a first sliding block 311, the second sliding part 32 is provided with a second sliding block 321, the first sliding block 311 is arranged on the first sliding groove 101 in a sliding way, and the second sliding block 321 is arranged on the second sliding groove 102 in a sliding way; the connection guide structure includes a first connection guide structure through which the first lead screw nut 22 is connected with the first slider 31, and a second connection guide structure through which the second lead screw nut 23 is connected with the second slider 32. Specifically, in this embodiment, the driving assembly includes a driving motor 20 and a screw rod 21, one end of the screw rod 21 is in transmission connection with the driving motor 20, the other end of the screw rod 21 is rotatably connected to the supporting plate 11 on the other side through a bearing, and the screw rod 21 can rotate clockwise or anticlockwise under the driving of the driving motor 20, so as to drive the screw rod nut to reciprocate along the axial direction (i.e. the first direction) of the screw rod 21. The sliding plug door comprises two door bodies, namely a first door body and a second door body, opposite threads are arranged on the left side and the right side of a screw rod 21, a first screw nut 22 and a second screw nut 23 are respectively connected to the two sides of the screw rod 21 in a screwed mode, and when the screw rod 21 is driven to rotate by a driving motor 20, the first screw nut 22 and the second screw nut 23 can be mutually close to or mutually far away from each other; the first screw nut 22 is connected with the first sliding part 31 through the first connection guiding structure, the second screw nut 23 is connected with the second sliding part 32 through the second connection guiding structure, when the driving motor 20 drives the screw 21 to rotate, the first door body connected with the first sliding part 31 and the second door body connected with the second sliding part 32 can be simultaneously controlled to be simultaneously opened or simultaneously closed, and when the first door body and the second door body are closed, the first connection guiding structure locks the first screw nut 22 with the first sliding part 31, the first door body is prevented from being accidentally opened, the second connection guiding structure locks the second screw nut 23 with the second sliding part 32, the second door body is prevented from being accidentally opened, and the running safety is ensured. Alternatively, in other embodiments, the drive assembly may be other linear reciprocating drive mechanisms, such as: a cylinder, etc., and are not described in detail herein.

Further, the first chute 101 includes a first straight section 1011 and a first curved section 1012, the second chute 102 includes 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 screw 21, and the first curved section 1012 and the second curved section 1022 are gradually close to the screw 21. Specifically, in this embodiment, this kind of setting can make when opening the door, and automobile body is all kept away from to first door body and second door body, avoids door body and automobile body to collide with, when closing the door, and first door body and second door body all align with the automobile body, guarantees the effect of closing the door.

Further, as shown in fig. 4, one of the first lead screw nut 22 and the first slider 31 is provided with a first guide 312, the other of the first lead screw nut 22 and the second slider 32 is provided with a first guide groove 221, the first guide 312 is slidably provided in the first guide groove 221, the first guide groove 221 has a first locking section 2211, when the first guide 312 abuts against the end of the first locking section 2211, the first lead screw nut 22 is locked with the first slider 31, and the first guide 312 forms a first connection guide structure with the first guide groove 221; one of the second lead screw nut 23 and the second slider 32 is provided with a second guide 322, the other of the second lead screw nut 23 and the second slider 32 is provided with a second guide groove 231, the second guide 322 is slidably provided in the second guide groove 231, the second guide groove 231 has a second locking section, and when the second guide 322 abuts against the end of the second locking section, the second lead screw nut 23 is locked with the second slider 32, and the second guide 322 forms a second connection guide structure with the second guide groove 231. Specifically, in this embodiment, the first connection plate 220 is fixedly connected to the first lead screw nut 22, the third sliding groove 103 is provided on the bottom plate 10, the first connection plate 220 is slidably disposed in the third sliding groove 103, the third sliding groove 103 can provide guidance for the first connection plate 220, the first connection plate 220 is ensured to move along the axial direction of the lead screw 21 along with the first lead screw nut 22, the first connection plate 220 is prevented from being jammed, the first connection plate 220 is provided with the first guiding groove 221, the first sliding member 31 is provided with the first guiding member 312, the first guiding member 312 can slide along the first guiding groove 221, the first sliding block 311 slides along the first guiding groove 221 when the first sliding block 311 slides along the first curved section 1012 of the first sliding groove 101, the first sliding block 311 is in the trend of closing the door, the first sliding block 311 is located at the limit position of the first sliding groove 101, and the first guiding member 312 is in plug-in fit with the first lead screw locking section 2211 when the first sliding block 22 is closed, and the first sliding block 31 is prevented from being accidentally locked, and safety of opening the first sliding block 31 is ensured. The second connecting plate 230 is fixedly connected to the second lead screw nut 23, the second connecting plate 230 is rotationally connected with the second lead screw nut 23, the second connecting plate 230 is slidably arranged in the third chute 103, the third chute 103 can provide guiding for the second connecting plate 230, the second connecting plate 230 can move along the axial direction of the lead screw 21 along with the rotation of the second lead screw nut 23, the second connecting plate 230 is prevented from being blocked, the second connecting plate 230 is provided with the second guiding groove 231, the second sliding piece 32 is provided with the second guiding piece 322, the second guiding piece 322 can slide along the second guiding groove 231, when the second sliding piece 321 slides along the second bent section 1022 of the second chute 102, at the moment, the second guiding piece 322 can slide along the second guiding groove 231, when the second door is closed, the second sliding piece 321 is located at the limit position of the second chute 102, at the moment, the second guiding piece 322 is matched with the second locking section in a plugging mode, the second lead screw nut 23 and the second sliding piece 32 are prevented from being opened accidentally, and safety of the second door is ensured.

Further, as shown in fig. 5, the first guide groove 221 and the second guide groove 231 are both L-shaped. Specifically, the short side of the L-shape of the first guide groove 221 is the first locking segment 2211, the short side of the L-shape of the second guide groove 231 is the second locking segment, the first locking segment 2211 and the second locking segment are far away from each other, the first lead screw nut 22 and the second lead screw nut 23 are close to each other when the door is closed, the first guide piece 312 can be clamped with the first locking segment 2211 when the door is closed, the second guide piece 322 can be clamped with the second locking segment, the first lead screw nut 22 and the first sliding piece 31, the second lead screw nut 23 and the second sliding piece 32 can be locked in response, and the vibration does not cause the position change of the first lead screw nut 22 and the second lead screw nut 23, so that the first guide piece 312 and the first locking segment 2211, the second guide piece 322 and the second locking segment are separated, and the first door is ensured not to be opened accidentally.

Further, the first guide 312 is rotatably provided with a first guide wheel 3121, and the first guide wheel 3121 is slidably provided in the first guide slot 221; the second guide 322 is rotatably provided with a second guide wheel 3221, and the second guide wheel 3221 is slidably disposed in the second guide groove 231. In particular, this arrangement enables the sliding of the first guide 312 with respect to the first guide groove 221 to become rolling, the sliding of the second guide 322 with respect to the second guide groove 231 to become rolling, reducing friction, avoiding excessive wear, and improving the service life.

Further, the first slider 311 is rotatably provided with a third guide wheel 3111, the third guide wheel 3111 is slidably disposed in the first chute 101, the second slider 321 is rotatably provided with a fourth guide wheel 3211, and the fourth guide wheel 3211 is slidably disposed in the second chute 102. Specifically, the arrangement can enable the relative sliding of the first sliding block 311 and the first sliding groove 101 to be changed into relative rolling, reduce friction between the first sliding block 311 and the first sliding groove 101, enable door opening and door closing to be smoother, reduce abrasion of parts and prolong service life. In the same way, the relative sliding between the second sliding block 321 and the second sliding groove 102 can be changed into relative rolling, so that the friction between the second sliding block 321 and the second sliding groove 102 is reduced.

Further, the two support plates 11 each have a support groove 111, and the two ends of the connecting rod 30 are rotatably provided with support wheels, and the two support wheels are slidably disposed in the two support grooves 111, respectively. Specifically, this kind of setting can make the both ends of connecting rod 30 become the backing wheel along the slip of backing slot 111 and roll along backing slot 111, promotes the smooth and easy degree of opening the door, closing the door, avoids spare part unnecessary wearing and tearing, promotes life.

Further, the frame 1 further includes a supporting seat 4, the supporting seat 4 is fixedly connected to the bottom plate 10, and the connecting rod 30 is slidably disposed on the supporting seat 4. Specifically, in this embodiment, the screw rod 21 is rotatably connected to the supporting seat 4, and this arrangement can increase the support to the screw rod 21 and the connecting rod 30, improve the strength of the screw rod 21 and the connecting rod 30, avoid the bending of the screw rod 21 and the connecting rod 30, and improve the service life of the sliding plug door.

The operation state of the sliding plug door is described below with reference to fig. 6 and 7. Here, the first door body is exemplified by a door opening to a door closing, and it is assumed that the first door body is a door body mounted on the left side of the frame 1. When the first door body is in the door-open state, the first lead 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 slider 31 is located at the leftmost end of the connecting rod 30, and accordingly, the first slider 311 is located at one end of the first sliding groove 101 near the left supporting plate 11. When the door needs to be closed, the driving motor 20 drives the screw rod 21 to rotate, the screw rod 21 drives the first screw nut 22 to move towards the direction close to the supporting seat 4, meanwhile, the first screw nut 22 drives the first connecting plate 220 to move, and further drives the first sliding piece 31 to move towards the direction close to the supporting seat 4 along the connecting rod 30, 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 joint of the first straight section 1011 and the first bent section 1012; then the screw rod 21 continues to drive the first screw nut 22 to move towards the direction approaching the supporting seat 4, the first sliding block 311 moves along the first bent section 1012, and the first guiding piece 312 of the first sliding piece 31 slides along the first guiding groove 221 under the driving of the first sliding block 311, so as to drive the connecting rod 30 to slide along the supporting groove 111 of the supporting plate 11, so that the first sliding piece 31 approaches the screw rod 21 along the second direction and approaches the supporting seat 4 along the first direction at the same time, and the first door body can be gradually closed; when the first slider 311 abuts against the end of the first curved section 1012, the first door body is about to be closed; because the end of the first chute 101 has a certain width in this embodiment, the screw rod 21 continuously drives the first screw nut 22 to abut against the supporting seat 4, so that the first guide member 312 can abut against the end of the first locking section 2211, thereby achieving the purpose of locking the first door body, avoiding the first door body from being accidentally opened due to vibration, and ensuring driving safety.

The embodiment also provides a vehicle, which comprises the sliding plug door, so that the unexpected opening of the vehicle door caused by vibration in the running process of the vehicle can be avoided, and the running safety is ensured.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. The sliding plug door, its characterized in that, sliding plug door includes:

the machine frame (1), the machine frame (1) comprises a bottom plate (10) and supporting plates (11), the two supporting plates (11) are arranged on two sides of the bottom plate (10), the bottom plate (10) is provided with a chute, and the chute comprises a straight section and a bent section;

the driving device (2) comprises a driving assembly and a transmission piece, wherein the driving assembly is arranged on the frame (1) and is in transmission connection with the transmission piece, and the driving assembly drives the transmission piece to do reciprocating motion along a first direction;

the connecting device (3), the connecting device (3) comprises a connecting rod (30) and a sliding piece, the connecting rod (30) is supported between the two supporting plates (11), the connecting rod (30) can slide relative to the supporting plates (11) along a second direction, the sliding piece is arranged on the connecting rod (30) in a sliding mode, the sliding piece is provided with a sliding block, the sliding block is arranged on the sliding groove in a sliding mode, and the first direction is perpendicular to the second direction;

the vehicle door body is connected to the sliding piece;

the driving component is connected with the sliding component through a connecting guide structure, the driving component drives the driving component to move through driving, and then drives the sliding component to slide along the connecting rod (30), and the connecting guide structure can lock the driving component and the sliding component when the vehicle door is in a closed state.

2. The sliding plug door according to claim 1, characterized in that the driving assembly comprises a driving motor (20) and a screw rod (21), the driving motor is in transmission connection with the screw rod (21), the transmission piece is a screw rod nut, and the screw rod nut is in threaded connection with the screw rod (21); opposite threads are arranged on the left side and the right side of the screw rod (21), the screw rod nuts comprise a first screw rod nut (22) and a second screw rod nut (23), the first screw rod nut (22) and the second screw rod nut (23) are respectively connected to the left side and the right side of the screw rod (21) in a screwed mode, and the driving motor (20) drives the screw rod (21) to rotate so that the first screw rod nut (22) and the second screw rod nut (23) are close to each other or far away from each other;

the sliding grooves comprise a first sliding groove (101) and a second sliding groove (102), the sliding parts comprise a first sliding part (31) and a second sliding part (32), the first sliding part (31) is provided with a first sliding block (311), the second sliding part (32) is provided with a second sliding block (321), the first sliding block (311) is slidably arranged in the first sliding groove (101), and the second sliding block (321) is slidably arranged in the second sliding groove (102);

the connecting guide structure comprises a first connecting guide structure and a second connecting guide structure, wherein the first screw nut (22) is connected with the first sliding piece (31) through the first connecting guide structure, and the second screw nut (23) is connected with the second sliding piece (32) through the second connecting guide structure.

3. The sliding plug door according to claim 2, characterized in that the first runner (101) comprises a first straight section (1011) and a first curved section (1012), the second runner (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 screw (21), and the first curved section (1012) and the second curved section (1022) are each gradually close to the screw (21).

4. The sliding plug door according to claim 2, characterized in that one of the first lead screw nut (22) and the first slider (31) is provided with a first guide (312), the other of the first lead screw nut (22) and the second slider (32) is provided with a first guide groove (221), the first guide (312) is slidably provided in the first guide groove (221), the first guide groove (221) has a first locking section (2211), the first lead screw nut (22) is locked with the first slider (31) when the first guide (312) abuts against an end of the first locking section (2211), and the first guide (312) and the first guide groove (221) form the first connection guide structure;

the second lead screw nut (23) with one of the two second sliding parts (32) is provided with a second guide piece (322), the second lead screw nut (23) with the other of the two second sliding parts (32) is provided with a second guide groove (231), the second guide piece (322) slide set up in second guide groove (231), second guide groove (231) have a second locking section, when second guide piece (322) butt in the end of second locking section, second lead screw nut (23) with second sliding part (32) locking, second guide piece (322) with second guide groove (231) form the second connection guide structure.

5. The sliding plug door according to claim 4, wherein the first guide groove (221) and the second guide groove (231) are both L-shaped.

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

7. The sliding plug door according to claim 2, wherein the first slider (311) is rotatably provided with a third guide wheel (3111), the third guide wheel (3111) is slidably disposed on the first sliding chute (101), the second slider (321) is rotatably provided with a fourth guide wheel (3211), and the fourth guide wheel (3211) is slidably disposed on the second sliding chute (102).

8. Sliding plug door according to claim 1, characterized in that both support plates (11) have support grooves (111), both ends of the connecting rod (30) are rotatably provided with support wheels, and both support wheels are slidably provided in both support grooves (111), respectively.

9. Sliding plug door according to any one of claims 1 to 8, wherein the frame (1) further comprises a support seat (4), the support seat (4) being fixedly connected to the bottom plate (10), the connecting rod (30) being slidingly arranged in the support seat (4).

10. A vehicle, characterized in that it comprises a sliding plug door according to any one of claims 1 to 9.

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