Sliding assembly, door driving mechanism, door device and platform door

Abstract

According to the sliding assembly, the door driving mechanism, the door device and the platform door, the sliding assembly comprises a sliding seat and a rotating seat, the sliding seat is suitable for being connected with a guide rail in a sliding mode, the rotating seat is rotatably connected with the sliding seat, and the rotating seat is suitable for being connected with a door body; the rotating seat is rotationally connected with the sliding seat, and the rotating seat is suitable for being connected with the door body, so that the door body can swing relative to the guide rail through the rotating seat, the sliding seat cannot be driven to incline when the door body inclines, and clamping between the sliding seat and the guide rail is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of rail transportation, in particular to a sliding component, a door driving mechanism, a door device and a platform door. Background Art

[0002] The station is provided with a platform door, which is provided with a sliding door that can be opened and closed by sliding. The sliding door in the prior art is easy to tilt during the sliding process, resulting in the sliding door squeezing the guide rail and causing a jam. Utility Model Content

[0003] The purpose of the utility model is to provide a sliding assembly, a door driving mechanism, a door device and a platform door. The sliding door in the prior art is prone to tilt during the sliding process, which causes the sliding door to squeeze the guide rail and cause jamming.

[0004] In order to achieve the purpose of the present invention, the present invention provides the following technical solutions:

[0005] In a first aspect, the utility model provides a sliding assembly, comprising: a sliding seat adapted to be slidably connected to a guide rail; a rotating seat rotatably connected to the sliding seat, wherein the rotating seat is adapted to be connected to a door body.

[0006] In one embodiment, the axis of relative rotation between the rotating seat and the sliding seat is adapted to be parallel to the length direction of the guide rail.

[0007] In one embodiment, the sliding assembly further includes a rotating shaft, and the rotating seat is rotatably connected to the sliding seat via the rotating shaft.

[0008] In one embodiment, the rotating seat includes a connecting part, a first rotating part and a second rotating part, the first rotating part and the second rotating part are relatively spaced apart at both ends of the connecting part in the first direction, and the first rotating part and the second rotating part are both sleeved on the rotating shaft; the sliding seat includes a sliding part and a third rotating part, the third rotating part is connected to the sliding part, the sliding part is suitable for sliding connection with the guide rail, and the third rotating part is located between the first rotating part and the second rotating part, and is sleeved on the rotating shaft.

[0009] In one embodiment, the sliding assembly further includes a bushing, which is sleeved on the rotating shaft, and one of the sliding seat and the rotating seat is sleeved on the bushing, while the other is sleeved on the rotating shaft.

[0010] In one embodiment, the sliding assembly further includes a gasket, which is sleeved on the rotating shaft and disposed between the sliding seat and the rotating seat.

[0011] In one embodiment, a gap is formed between the gasket and one of the sliding seat and the rotating seat.

[0012] In the second aspect, the utility model also provides a door driving mechanism, comprising a guide rail and a sliding assembly described in any one of the various embodiments of the first aspect, wherein the sliding seat of the sliding assembly is slidably connected to the guide rail, and the rotating seat of the sliding assembly is rotatably connected to the sliding seat and is suitable for connection to the door body.

[0013] In one embodiment, the door driving mechanism further includes a mounting plate and a driving assembly, the driving assembly is connected to the mounting plate, the guide rail is connected to the mounting plate, and the driving assembly is transmission-connected to the door body.

[0014] In one embodiment, the driving assembly includes a driving member, a driving wheel, a driven wheel and a belt. The driving wheel and the driven wheel are arranged on the same surface of the mounting plate with relative spacing. The output end of the driving member is connected and fixed to the driving wheel. The belt is transmission-connected to both the driving wheel and the driven wheel. The driving member is installed on the mounting plate. The belt is suitable for connecting to the door body and for driving the door body to move relative to the guide rail.

[0015] In one embodiment, the door drive mechanism further includes a switch assembly and a locking assembly, the switch assembly is electrically connected to the locking assembly, the switch assembly and the locking assembly are both mounted on the mounting plate, and the switch assembly is suitable for controlling the locking assembly to lock or release the door body.

[0016] In one embodiment, the door drive mechanism further includes a first limiting assembly and a second limiting assembly, wherein the first limiting assembly and the second limiting assembly are spaced apart on the mounting plate, and the first limiting assembly and the second limiting assembly are both suitable for limiting the movement range of the door body.

[0017] In the third aspect, the utility model also provides a door device, comprising a bracket, a door body and a door driving mechanism described in any one of the various embodiments of the second aspect, wherein the door driving mechanism is installed on the bracket, the door body is connected to a sliding assembly of the door driving mechanism, and the sliding assembly is suitable for driving the door body to move relative to the guide rail.

[0018] In one embodiment, the door device also includes a guide mechanism, which includes a mounting shaft and a pulley, the pulley is sleeved on the mounting shaft and rotatably connected to the mounting shaft, and the mounting shaft is installed on the end of the bracket away from the door drive mechanism; the door body has a sliding groove at the end away from the door drive mechanism, the pulley is accommodated in the sliding groove, and contacts with the two opposite side walls of the sliding groove.

[0019] In one embodiment, the length direction of the sliding groove is the same as the length direction of the guide rail of the door driving mechanism.

[0020] In a fourth aspect, the present invention further provides a platform door, comprising the door device described in any one of the various embodiments of the third aspect, or comprising the door driving mechanism described in any one of the various embodiments of the second aspect.

[0021] By setting up a sliding assembly, the sliding assembly includes a sliding seat and a rotating seat. The sliding seat is suitable for sliding connection with the guide rail, and the rotating seat is rotatably connected to the sliding seat. The rotating seat is suitable for connecting with the door body, so that the door body can swing relative to the guide rail through the rotating seat, so that when the door body tilts, the sliding seat will not be driven to tilt, thereby avoiding jamming between the sliding seat and the guide rail. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the implementation methods or the description of the prior art. Obviously, the drawings described below are only some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0023] Figure 1 is a structural diagram of a sliding assembly according to an embodiment;

[0024] Figure 2 is an exploded view of a door device according to an embodiment;

[0025] Figure 3 is a cross-sectional view of a sliding assembly according to an embodiment;

[0026] Figure 4 is a structural diagram of a door drive mechanism according to an embodiment;

[0027] Figure 5 is a side view of a door device according to an embodiment.

[0028] Description of reference numerals:

[0029] 1000-door device;

[0030] 100-door drive mechanism;

[0031] 10-sliding assembly, 11-sliding seat, 111-sliding groove, 112-sliding portion, 113-third rotating portion, 1131-third through hole, 12-rotating seat, 121-mounting hole, 122-connecting portion, 123-first rotating portion, 1231-first through hole, 124-second rotating portion, 1241-second through hole, 13-rotating shaft, 131-first shaft, 132-second shaft, 133-third shaft, 14-fixing member, 15-bushing, 16-gasket;

[0032] 20-guide rail;

[0033] 30-mounting plate, 31-first plate, 32-second plate, 33-third plate;

[0034] 40-driving assembly, 41-driving member, 42-driving pulley, 43-driven pulley, 44-belt;

[0035] 50-switch assembly, 51-sensing element, 52-first trigger element;

[0036] 60-locking assembly, 61-locking member, 62-connecting member;

[0037] 70-first limiting assembly, 71-mounting member, 72-buffer member;

[0038] 80-second limit assembly;

[0039] 200-Standard;

[0040] 300-door body, 301-main body, 302-sliding member, 303-sliding groove;

[0041] 400-connecting plate;

[0042] 500-guide mechanism, 501-mounting shaft, 502-pulley;

[0043] X - first direction. DETAILED DESCRIPTION

[0044] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0045] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may be an intermediate component. When a component is referred to as being "connected to" another component, it may be directly connected to the other component or there may be an intermediate component.

[0046] Unless otherwise defined, all technical and scientific terms used in this utility model have the same meanings as commonly understood by those skilled in the art to which this utility model belongs. The terms used in this utility model specification are only for the purpose of describing specific embodiments and are not intended to limit this utility model. The term "and / or" used in this utility model includes any and all combinations of one or more of the relevant listed items.

[0047] The following embodiments of the present invention are described in detail with reference to the accompanying drawings. In the absence of conflict, the following embodiments and features in the embodiments may be combined with each other.

[0048] Please refer to Figure 1 and Figure 2 The utility model provides a sliding assembly 10, including a sliding seat 11 and a rotating seat 12, the sliding seat 11 is suitable for sliding connection with the guide rail 20, the rotating seat 12 is rotatably connected to the sliding seat 11, and the rotating seat 12 is suitable for connecting with the door body 300.

[0049] Optional, please refer to Figure 1 and Figure 2 The sliding seat 11 is provided with a sliding groove 111 at one end away from the rotating seat 12, and the sliding groove 111 is connected to the guide rail 20. Optionally, the sliding seat 11 and the guide rail 20 can also be slidably connected to the guide rail 20 through structures such as a gear rack and a pulley 502, without limitation.

[0050] Optional, please refer to Figure 1 A plurality of mounting holes 121 are provided on one surface of the rotating base 12. The plurality of mounting holes 121 are spaced apart from each other and are used to be connected and fixed to the door body 300. Optionally, the sliding base 11 and the rotating base 12 can be rotatably connected by a hinge, a gear, a latch, a bearing, or other structures, without limitation.

[0051] Optionally, the sliding seat 11 can be made of a material that meets structural strength, good wear resistance and easy processing and forming, specifically aluminum alloy, stainless steel and cast iron, etc., without limitation. Optionally, the material of the rotating seat 12 is similar to that of the sliding seat 11, which can be used as a reference and will not be repeated here.

[0052] By setting up a sliding assembly 10, the sliding assembly 10 includes a sliding seat 11 and a rotating seat 12. The sliding seat 11 is suitable for sliding connection with the guide rail 20, and the rotating seat 12 is rotatably connected to the sliding seat 11. The rotating seat 12 is suitable for connecting with the door body 300, so that the door body 300 can swing relative to the guide rail 20 through the rotating seat 12, so that when the door body 300 tilts, it will not cause the sliding seat 11 to tilt, thereby avoiding jamming between the sliding seat 11 and the guide rail 20.

[0053] Please refer to Figure 2 The axis of relative rotation between the rotating seat 12 and the sliding seat 11 is adapted to be parallel to the length direction of the guide rail 20. Optionally, the length direction of the guide rail 20 is the first direction X, and the guide rail 20 extends in a straight line in the first direction X.

[0054] By setting the axis of relative rotation between the rotating seat 12 and the sliding seat 11 to be parallel to the length direction of the guide rail 20, when the door body 300 swings relative to the guide rail 20, it will not collide or be squeezed with the guide rail 20, thereby preventing damage to the guide rail 20 and the door body 300.

[0055] Please refer to Figure 1 The sliding assembly 10 further includes a rotating shaft 13, through which the rotating seat 12 is rotatably connected to the sliding seat 11. Optionally, the rotating shaft 13 is relatively fixed to the rotating seat 12, and the rotating shaft 13 is rotatably connected to the sliding seat 11. Optionally, the rotating seat 12 and the rotating shaft 13 may be an integral structure, or may be detachably connected by means of a snap connection, a screw connection, a riveting connection, etc., without limitation. Optionally, the rotating seat 12 and the sliding seat 11 may both be rotatably connected to the rotating shaft 13. Optionally, the material of the rotating shaft 13 is similar to that of the sliding seat 11, and reference can be made thereto without further elaboration.

[0056] By setting the rotating shaft 13, the rotating seat 12 is rotatably connected to the sliding seat 11 through the rotating shaft 13, so that the rotating seat 12 and the sliding seat 11 can slide relative to each other through the rotating shaft 13, and under the limiting action of the rotating shaft 13, the connection between the rotating seat 12 and the sliding seat 11 is more stable and not prone to displacement and separation.

[0057] Please refer to Figure 2 The rotating seat 12 includes a connecting portion 122, a first rotating portion 123 and a second rotating portion 124. The first rotating portion 123 and the second rotating portion 124 are relatively spaced apart and arranged at both ends of the connecting portion 122 in the first direction X. The first rotating portion 123 and the second rotating portion 124 are both sleeved on the rotating shaft 13. The sliding seat 11 includes a sliding portion 112 and a third rotating portion 113. The third rotating portion 113 is connected to the sliding portion 112. The sliding portion 112 is suitable for sliding connection with the guide rail 20. The third rotating portion 113 is located between the first rotating portion 123 and the second rotating portion 124, and is sleeved on the rotating shaft 13.

[0058] Optionally, the first rotating portion 123 and the second rotating portion 124 can be integrally formed with the connecting portion 122, or can be detachably connected by screwing, clamping, or riveting, without limitation. Optionally, the third rotating portion 113 and the sliding portion 112 can be integrally formed with the connecting portion 122, or can be detachably connected by screwing, clamping, or riveting, without limitation.

[0059] Optionally, the first rotating part 123 is provided with a first through hole 1231, the second rotating part 124 is provided with a second through hole 1241, and the third rotating part 113 is provided with a third through hole 1131. The first through hole 1231, the second through hole 1241 and the third through hole 1131 are opposite to each other in the first direction X, and the rotating shaft 13 passes through the first through hole 1231, the second through hole 1241 and the third through hole 1131.

[0060] Optionally, the rotating shaft 13 includes a first shaft 131, a second shaft 132 and a third shaft 133 connected in sequence in the first direction X, the diameter of the second shaft 132 is larger than the diameter of the first shaft 131 and the second shaft 132, the first shaft 131 passes through a first through hole 1231, the second shaft 132 passes through a second through hole 1241 and a third through hole 1131, and abuts against the surface of the first rotating part 123 facing the third rotating part 113, the third shaft 133 is located on the side of the second rotating part 124 facing away from the first rotating part 123, and the third shaft 133 is used to install and disassemble the rotating shaft 13.

[0061] Optionally, the sliding assembly 10 further includes a fixing member 14, which is sleeved on the first shaft 131 and fixedly connected to the first shaft 131. The fixing member 14 abuts against the surface of the first rotating portion 123 facing away from the second rotating portion 124, thereby cooperating with the second shaft 132 to prevent the rotating shaft 13 from falling out. Optionally, the material of the fixing member 14 is similar to that of the sliding seat 11, and reference will be made thereto and will not be further described.

[0062] The rotating seat 12 includes a connecting portion 122, a first rotating portion 123 and a second rotating portion 124, the first rotating portion 123 and the second rotating portion 124 are relatively spaced apart and arranged at both ends of the connecting portion 122 in the first direction X, the first rotating portion 123 and the second rotating portion 124 are both sleeved on the rotating shaft 13, the sliding seat 11 includes a sliding portion 112 and a third rotating portion 113, the third rotating portion 113 is connected to the sliding portion 112, the sliding portion 112 is suitable for sliding connection with the guide rail 20, the third rotating portion 113 is located between the first rotating portion 123 and the second rotating portion 124, and is sleeved on the rotating shaft 13, so that the connection between the rotating seat 12 and the sliding seat 11 is more stable, and it is not easy to cause relative displacement in the first direction X under the limiting action of the rotating shaft 13.

[0063] Please refer to Figure 3The sliding assembly 10 further includes a bushing 15 , which is sleeved on the rotating shaft 13 . One of the sliding seat 11 and the rotating seat 12 is sleeved on the bushing 15 , and the other is sleeved on the rotating shaft 13 .

[0064] Exemplarily, the rotating seat 12 is fixedly connected to the rotating shaft 13, and the bushing 15 is received in the aforementioned third through hole 1131. Optionally, when the rotating seat 12 is rotatably connected to the rotating shaft 13, the aforementioned first through hole 1231 and the second through hole 1241 may also be provided with bushings 15, without limitation. Optionally, a bearing or other structure may be used to be sleeved on the rotating shaft 13, without limitation. Optionally, the bushing 15 may be made of a wear-resistant material that meets structural strength and corrosion resistance, specifically polyurethane, polytetrafluoroethylene, stainless steel, copper, aluminum, etc., without limitation.

[0065] By providing a bushing 15, the bushing 15 is sleeved on the rotating shaft 13, one of the sliding seat 11 and the rotating seat 12 is sleeved on the bushing 15, and the other is sleeved on the rotating shaft 13, so that no wear will occur when the rotating shaft 13 and the sliding seat 11 rotate relative to each other, thereby extending the service life of the sliding assembly 10.

[0066] Please refer to Figure 3 The sliding assembly 10 further includes a gasket 16 , which is sleeved on the rotating shaft 13 and disposed between the sliding seat 11 and the rotating seat 12 .

[0067] Optionally, there are multiple gaskets 16, with at least one gasket 16 disposed between the first rotating portion 123 and the third rotating portion 113, and at least one gasket 16 disposed between the second rotating portion 124 and the third rotating portion 113. Optionally, the gasket 16 can be made of a material that meets structural strength, wear resistance, and corrosion resistance, specifically stainless steel, graphite, polytetrafluoroethylene, and rubber, without limitation.

[0068] By providing a gasket 16 , which is sleeved on the rotating shaft 13 and disposed between the sliding seat 11 and the rotating seat 12 , the rotating seat 12 and the sliding seat 11 will not be worn when they slide relative to each other, thereby extending the service life of the sliding assembly 10 .

[0069] Please refer to Figure 3 There is a gap between the gasket 16 and one of the sliding seat 11 and the rotating seat 12. Optionally, there is a gap between the gasket 16 and the first rotating portion 123 and the third rotating portion 113, and there is a gap between the gasket 16 and the second rotating portion 124 and the third rotating portion 113.

[0070] By providing a gap between the gasket 16 and one of the sliding seat 11 and the rotating seat 12, the gasket 16 is less worn when the rotating seat 12 and the sliding seat 11 slide relative to each other, thereby increasing the service life of the gasket 16 and making the rotation of the rotating seat 12 and the sliding seat 11 smoother.

[0071] Please refer to Figure 4 The present invention further provides a door drive mechanism 100, which includes a guide rail 20 and a sliding assembly 10 in an embodiment of the present invention. The sliding seat 11 of the sliding assembly 10 is slidably connected to the guide rail 20, and the rotating seat 12 of the sliding assembly 10 is rotatably connected to the sliding seat 11 and is suitable for connection to the door body 300. Optionally, the door drive mechanism 100 can be used in platform doors of subway stations, maglev stations, train stations, cloud rail stations, bus stations, etc., without limitation. Optionally, the guide rail 20 can be made of a material that meets the requirements of structural strength, wear resistance, and ease of processing and forming, specifically aluminum alloy, stainless steel, cast iron, etc., without limitation.

[0072] The improved door driving mechanism 100 of the present invention adopts the guide rail 20 and the sliding assembly 10 in the embodiment of the present invention. The sliding seat 11 of the sliding assembly 10 is slidingly connected to the guide rail 20, and the rotating seat 12 of the sliding assembly 10 is rotationally connected to the sliding seat 11 and is suitable for connection with the door body 300, thereby driving the door body 300 to open and close, and it is not easy for jamming to occur between the door body 300 and the guide rail 20.

[0073] Please refer to Figure 4 The door driving mechanism 100 further includes a mounting plate 30 and a driving assembly 40 , wherein the driving assembly 40 is connected to the mounting plate 30 , the guide rail 20 is connected to the mounting plate 30 , and the driving assembly 40 is adapted to be transmission-connected to the door body 300 .

[0074] Optionally, the mounting plate 30 includes a first plate 31, a second plate 32 and a third plate 33, and the second plate 32 and the third plate 33 are relatively spaced apart at both ends of the width direction of the first plate 31, the guide rail 20 is connected to the surface of the second plate 32 facing the third plate 33, and the drive assembly 40 is connected to one end of the first plate 31 close to the third plate 33, and is spaced apart from the guide rail 20. Optionally, the guide rail 20 and the first plate 31 can be an integral structure, or they can be detachably connected by means of snap-fitting, screwing and riveting, without limitation. Optionally, the first plate 31, the second plate 32 and the third plate 33 can be an integral structure, or they can be detachably connected by means of snap-fitting, screwing and riveting, without limitation. Optionally, the material of the mounting plate 30 is similar to that of the guide rail 20, and reference can be made thereto without further elaboration.

[0075] Alternatively, the drive assembly 40 may be connected to the door body 300 via a chain, a rack and pinion, a slide rod, a slide rail, or other structures, without limitation. Alternatively, the drive assembly 40 may be driven to move the door body 300 via a motor, a cylinder, a pneumatic rod, a hydraulic rod, or other structures, without limitation. Alternatively, the drive assembly 40 may be connected to the mounting plate 30 via a clamping connection, a screw connection, a riveting connection, a welding connection, or other means, without limitation.

[0076] By setting up a mounting plate 30 and a driving assembly 40, the driving assembly 40 is connected to the mounting plate 30, and the guide rail 20 is connected to the mounting plate 30. The driving assembly 40 is suitable for transmission connection with the door body 300, so that the door body 300 can slide along the guide rail 20 under the drive of the driving assembly 40. At the same time, the driving assembly 40 and the guide rail 20 are both connected to the mounting plate 30, which facilitates the installation and disassembly of the door drive mechanism 100.

[0077] Please refer to Figure 4 The driving assembly 40 includes a driving member 41, a driving wheel 42, a driven wheel 43 and a belt 44. The driving wheel 42 and the driven wheel 43 are arranged on the same surface of the mounting plate 30 with relative spacing. The output end of the driving member 41 is connected and fixed to the driving wheel 42. The belt 44 is transmission-connected to the driving wheel 42 and the driven wheel 43. The driving member 41 is installed on the mounting plate 30. The belt 44 is suitable for connecting to the door body 300 and is suitable for driving the door body 300 to move relative to the guide rail 20.

[0078] Optionally, the driving member 41 is a motor, connected to the aforementioned first plate 31. Optionally, the driven pulley 43 is rotationally connected to the first plate 31. Optionally, the driving assembly 40 further includes a transmission member, one end of which is connected to the belt 44 and the other end is adapted to be connected to the door body 300. Optionally, the driving assembly 40 may also connect the driving pulley 42 and the driven pulley 43 via a structure such as a chain and a chain plate, without limitation.

[0079] By setting up a driving component 40 including a driving member 41, a driving wheel 42, a driven wheel 43 and a belt 44, the driving wheel 42 and the driven wheel 43 are arranged at a relative interval on the same surface of the mounting plate 30, the output end of the driving member 41 is connected and fixed to the driving wheel 42, the belt 44 is transmission-connected to both the driving wheel 42 and the driven wheel 43, the driving member 41 is installed on the mounting plate 30, the belt 44 is suitable for connecting with the door body 300, and is suitable for driving the door body 300 to move relative to the guide rail 20, so that the door body 300 can slide along the guide rail 20 under the drive of the driving component 40 through the driving wheel 42, the driven wheel 43 and the belt 44, and at the same time, the driving component 40 has a simple structure, low cost, and is easy to assemble and maintain.

[0080] Please refer to Figure 4The door drive mechanism 100 also includes a switch assembly 50 and a locking assembly 60. The switch assembly 50 is electrically connected to the locking assembly 60. The switch assembly 50 and the locking assembly 60 are both installed on the mounting plate 30. The switch assembly 50 is suitable for controlling the locking assembly 60 to lock or release the door body 300.

[0081] Optionally, the switch assembly 50 includes a sensing member 51 and a first trigger member 52, the sensing member 51 being connected to the aforementioned first plate 31, the first trigger member 52 being adapted to be connected to the door body 300, and when the door body 300 is closed to a preset position, the first trigger member 52 contacts and electrically connects with the sensing member 51, and the sensing member 51 controls the locking assembly 60 to lock the door body 300. Optionally, the switch assembly 50 further includes a second trigger member (not shown), the second trigger member being connected to an end of the door body 300 away from the first trigger member 52 in the first direction X, and when the door body 300 is opened to a preset position, the second trigger member contacts and electrically connects with the sensing member 51, and the sensing member 51 controls the locking assembly 60 to lock the door body 300.

[0082] Optionally, the locking assembly 60 includes a locking member 61 and a connecting member 62, the locking member 61 is connected to the aforementioned first plate 31, the connecting member 62 is suitable for connecting to the door body 300, and the locking member 61 is suitable for fixing the connecting member 62 under the control of the switch assembly 50 to lock the door body 300.

[0083] By setting a switch assembly 50 and a locking assembly 60, the switch assembly 50 is electrically connected to the locking assembly 60, and the switch assembly 50 and the locking assembly 60 are both installed on the mounting plate 30. The switch assembly 50 is suitable for controlling the locking assembly 60 to lock or release the door body 300, so that the door body 300 can be moved to a preset position under the control of the switch assembly 50 and the locking assembly 60, preventing the door body 300 from being damaged due to excessive movement.

[0084] Please refer to Figure 4 The door drive mechanism 100 also includes a first limiting assembly 70 and a second limiting assembly 80. The first limiting assembly 70 and the second limiting assembly 80 are spaced apart on the mounting plate 30. The first limiting assembly 70 and the second limiting assembly 80 are both suitable for limiting the movement range of the door body 300.

[0085] Optionally, the first limiting assembly 70 and the second limiting assembly 80 are respectively connected to the two ends of the aforementioned third plate 33 in the first direction X. When the door body 300 is opened to a preset position, the door body 300 abuts against the first limiting assembly 70 to stop the door body 300 from moving. When the door body 300 is closed to a preset position, the door body 300 abuts against the second limiting assembly 80 to stop the door body 300 from moving.

[0086] Optionally, the first limiting component 70 includes a mounting member 71 and a buffer member 72, the buffer member 72 is connected to the mounting member 71, the mounting member 71 is connected to the third plate 33, and the buffer member 72 is suitable for abutting against the door body 300. Optionally, the material of the mounting member 71 is similar to the material of the mounting plate 30, which can be used as a reference and will not be described in detail. Optionally, the buffer member 72 can be made of a material that meets the requirements of structural strength, corrosion resistance and ease of processing and molding, specifically rubber, plastic, nylon, etc., without limitation. Optionally, the structure of the second limiting component 80 is similar to the structure of the first limiting component 70, which can be used as a reference and will not be described in detail.

[0087] By setting the first limit assembly 70 and the second limit assembly 80, the first limit assembly 70 and the second limit assembly 80 are spaced apart on the mounting plate 30, and the first limit assembly 70 and the second limit assembly 80 are both suitable for limiting the movement range of the door body 300, so that when the door body 300 moves to a preset position, it can stop moving under the limiting action of the first limit assembly 70 and the second limit assembly 80, thereby preventing damage to the door body 300.

[0088] Please refer to Figure 2 The present invention also provides a door device 1000, including a bracket 200, a door body 300 and a door driving mechanism 100 in an embodiment of the present invention. The door driving mechanism 100 is installed on the bracket 200, and the door body 300 is connected to the sliding component 10 of the door driving mechanism 100. The sliding component 10 is suitable for driving the door body 300 to move relative to the guide rail 20.

[0089] Optionally, the bracket 200 is fixed to a fixed foundation (not shown) such as the ground, a platform, and an installation platform, without limitation. Optionally, the door device 1000 further includes a connecting plate 400, which is connected and fixed to the rotating seat 12, the first trigger member 52, the transmission member, and the connecting member 62 of the aforementioned sliding assembly 10, and is connected and fixed to the door body 300. Optionally, the material of the bracket 200 is similar to that of the installation plate 30, which can be referenced and not described in detail. Optionally, the material of the connecting plate 400 is similar to that of the installation plate 30, which can be referenced and not described in detail.

[0090] The door device 1000 provided by the present invention adopts a bracket 200, a door body 300 and a door driving mechanism 100 in an embodiment of the present invention. The door driving mechanism 100 is installed on the bracket 200, and the door body 300 is connected to the sliding component 10 of the door driving mechanism 100. The sliding component 10 is suitable for driving the door body 300 to move relative to the guide rail 20, thereby realizing the installation of the door body 300 and the door driving mechanism 100. At the same time, it is not easy for jamming to occur between the door body 300 and the guide rail 20.

[0091] Please refer to Figure 5The door device 1000 further includes a guide mechanism 500, which includes a mounting shaft 501 and a pulley 502. The pulley 502 is sleeved on the mounting shaft 501 and is rotatably connected to the mounting shaft 501. The mounting shaft 501 is mounted on an end of the bracket 200 away from the door driving mechanism 100.

[0092] The door body 300 has a sliding groove 303 at one end away from the door driving mechanism 100 . The pulley 502 is received in the sliding groove 303 and contacts two opposite side walls of the sliding groove 303 .

[0093] Optionally, the door body 300 includes a main body 301 and a sliding member 302. The sliding member 302 defines a sliding groove 303. The sliding member 302 is connected to an end of the main body 301 near the guide mechanism 500. The pulley 502 is received in the sliding groove 303 and abuts against the inner wall surface of the sliding groove 303. Optionally, there may be multiple guide mechanisms 500, with the multiple guide mechanisms 500 spaced apart in the first direction X. Optionally, the mounting shaft 501 and the bracket 200 may be an integral structure or may be detachably connected by means of a snap connection, a screw connection, a riveted connection, or the like, without limitation.

[0094] By setting up a guide mechanism 500, the guide mechanism 500 includes an installation shaft 501 and a pulley 502. The pulley 502 is sleeved on the installation shaft 501 and is rotatably connected to the installation shaft 501. The installation shaft 501 is installed on the end of the bracket 200 away from the door drive mechanism 100. The end of the door body 300 away from the door drive mechanism 100 has a sliding groove 303. The pulley 502 is accommodated in the sliding groove 303 and contacts the two opposite side walls of the sliding groove 303, so that the end of the door body 300 away from the guide rail 20 is not easy to shake under the limiting action of the guide mechanism 500, thereby ensuring the stability of the door device 1000.

[0095] Please refer to Figure 5 , the length direction of the sliding groove 303 is the same as the length direction of the guide rail 20 of the door driving mechanism 100.

[0096] By setting the length direction of the sliding groove 303 to be the same as the length direction of the guide rail 20 of the door driving mechanism 100, the posture of the door body 300 is stable during movement, is not easily deformed, and is not easily separated from the guide mechanism 500.

[0097] In one embodiment, please refer to Figure 2 and Figure 5 The present invention further provides a platform door, including the door device 1000 in the embodiment of the present invention, or including the door driving mechanism 100 in the embodiment of the present invention.

[0098] Optionally, when the platform door includes a door device 1000 , there may be multiple door devices 1000 , and the multiple door devices 1000 are spaced apart from each other. Optionally, when the platform door includes a door driving mechanism 100 , the door driving mechanism 100 is connected to the door body 300 .

[0099] Optionally, the platform door further includes multiple blocking structures (not shown), with blocking structures provided on both sides of each door assembly 1000 or door drive mechanism 100 to isolate the vehicle tracks from the platform. Optionally, the blocking structures can be glass partition walls, glass panels, metal partition walls, metal panels, metal mesh, etc., without limitation.

[0100] The platform door provided by the present invention realizes the connection and isolation between the platform and the rail vehicle by adopting the door device 1000 in the embodiment of the present invention, or adopting the door drive mechanism 100 in the embodiment of the present invention, and the door device 1000 or the door drive mechanism 100 is not prone to jamming.

[0101] In the description of the embodiments of the present invention, it should be noted that the orientation or positional relationship of terms such as "center", "up", "down", "left", "right", "vertical", "horizontal", "inside" and "outside" is based on the orientation or positional relationship described in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0102] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made in accordance with the claims of the present invention are still within the scope of the present invention.

Claims

1. A sliding assembly, characterized in that: include: A sliding seat, adapted to be slidably connected to the guide rail; The rotating seat is rotatably connected to the sliding seat, and the rotating seat is suitable for being connected to the door body.

2. The sliding assembly according to claim 1, characterized in that: The axis of relative rotation between the rotating seat and the sliding seat is adapted to be parallel to the length direction of the guide rail.

3. The sliding assembly according to claim 2, characterized in that: The sliding assembly also includes a rotating shaft, and the rotating seat is rotatably connected to the sliding seat via the rotating shaft.

4. The sliding assembly according to claim 3, characterized in that: The rotating seat comprises a connecting portion, a first rotating portion and a second rotating portion, wherein the first rotating portion and the second rotating portion are arranged at opposite ends of the connecting portion in a first direction with a relative spacing, and the first rotating portion and the second rotating portion are both sleeved on the rotating shaft; The sliding seat includes a sliding part and a third rotating part, the third rotating part is connected to the sliding part, the sliding part is suitable for sliding connection with the guide rail, the third rotating part is located between the first rotating part and the second rotating part, and is sleeved on the rotating shaft.

5. The sliding assembly according to claim 3, characterized in that: The sliding assembly further comprises a bushing, wherein the bushing is sleeved on the rotating shaft, one of the sliding seat and the rotating seat is sleeved on the bushing, and the other is sleeved on the rotating shaft.

6. The sliding assembly according to claim 3, characterized in that: The sliding assembly also includes a gasket, which is sleeved on the rotating shaft and arranged between the sliding seat and the rotating seat.

7. The sliding assembly according to claim 6, characterized in that: A gap is formed between the gasket and one of the sliding seat and the rotating seat.

8. A door drive mechanism, characterized in that: It comprises a guide rail and a sliding assembly as described in any one of claims 1 to 7, wherein a sliding seat of the sliding assembly is slidably connected to the guide rail, a rotating seat of the sliding assembly is rotatably connected to the sliding seat and is suitable for connecting to the door body.

9. The door driving mechanism according to claim 8, characterized in that: The door driving mechanism also includes a mounting plate and a driving assembly, wherein the driving assembly is connected to the mounting plate, the guide rail is connected to the mounting plate, and the driving assembly is suitable for transmission connection with the door body.

10. The door driving mechanism according to claim 9, characterized in that: The driving assembly includes a driving member, a driving wheel, a driven wheel and a belt. The driving wheel and the driven wheel are arranged on the same surface of the mounting plate with relative spacing. The output end of the driving member is connected and fixed to the driving wheel. The belt is transmission-connected to the driving wheel and the driven wheel. The driving member is installed on the mounting plate. The belt is suitable for connecting to the door body and for driving the door body to move relative to the guide rail.

11. The door driving mechanism according to claim 9, characterized in that: The door drive mechanism also includes a switch assembly and a locking assembly, the switch assembly is electrically connected to the locking assembly, the switch assembly and the locking assembly are both mounted on the mounting plate, and the switch assembly is suitable for controlling the locking assembly to lock or release the door body.

12. The door driving mechanism according to claim 9, characterized in that: The door driving mechanism also includes a first limit assembly and a second limit assembly, the first limit assembly and the second limit assembly are spaced apart on the mounting plate, and the first limit assembly and the second limit assembly are both suitable for limiting the movement range of the door body.

13. A door device, characterized in that: It comprises a bracket, a door body and a door driving mechanism as described in any one of claims 8 to 12, wherein the door driving mechanism is mounted on the bracket, the door body is connected to a sliding component of the door driving mechanism, and the sliding component is suitable for driving the door body to move relative to the guide rail.

14. The door device according to claim 13, characterized in that The door device further comprises a guide mechanism, the guide mechanism comprises a mounting shaft and a pulley, the pulley is sleeved on the mounting shaft and rotatably connected to the mounting shaft, and the mounting shaft is mounted on an end of the bracket away from the door driving mechanism; The door body has a sliding groove at one end away from the door driving mechanism, and the pulley is received in the sliding groove and contacts with two opposite side walls of the sliding groove.

15. The door device according to claim 14, characterized in that The length direction of the sliding groove is the same as the length direction of the guide rail of the door driving mechanism.

16. A platform door, characterized in that: It comprises a door device as described in any one of claims 13 to 15, or comprises a door driving mechanism as described in any one of claims 8 to 12.

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