CN115354925A - Be used for public bus stopper sliding door pneumatic type locking structure - Google Patents

Be used for public bus stopper sliding door pneumatic type locking structure Download PDF

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Publication number
CN115354925A
CN115354925A CN202210956426.9A CN202210956426A CN115354925A CN 115354925 A CN115354925 A CN 115354925A CN 202210956426 A CN202210956426 A CN 202210956426A CN 115354925 A CN115354925 A CN 115354925A
Authority
CN
China
Prior art keywords
fixedly connected
sliding
plate
push rod
air pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210956426.9A
Other languages
Chinese (zh)
Inventor
李德云
余甜
刘成伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Changning Electronics Co ltd
Original Assignee
Jiangsu Changning Electronics Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Changning Electronics Co ltd filed Critical Jiangsu Changning Electronics Co ltd
Priority to CN202210956426.9A priority Critical patent/CN115354925A/en
Publication of CN115354925A publication Critical patent/CN115354925A/en
Pending legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
    • E05B81/10—Hydraulic or pneumatic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/04—Doors arranged at the vehicle sides
    • B60J5/047—Doors arranged at the vehicle sides characterised by the opening or closing movement
    • B60J5/0477—Doors arranged at the vehicle sides characterised by the opening or closing movement with two doors opening in opposite direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/04—Doors arranged at the vehicle sides
    • B60J5/06—Doors arranged at the vehicle sides slidable; foldable
    • B60J5/062—Doors arranged at the vehicle sides slidable; foldable for utility vehicles or public transport
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
    • E05B81/04—Electrical
    • E05B81/06—Electrical using rotary motors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B83/00—Vehicle locks specially adapted for particular types of wing or vehicle
    • E05B83/36—Locks for passenger or like doors
    • E05B83/40—Locks for passenger or like doors for sliding doors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
    • E05F15/652—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by screw-and-nut mechanisms
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
    • E05F15/655—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings specially adapted for vehicle wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/506—Application of doors, windows, wings or fittings thereof for vehicles for buses
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/53—Type of wing
    • E05Y2900/531—Doors

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)

Abstract

The invention relates to the technical field of bus sliding plug doors, and discloses a pneumatic locking structure for a bus sliding plug door, which comprises a cross beam, two sliding plug doors and an installation pedal, wherein two ends of the cross beam are fixedly connected with connectors, one side of the cross beam is fixedly connected with an installation plate, the top of the installation plate is fixedly connected with a first air pump push rod, one end of the outer wall of the first air pump push rod and the output end of the first air pump push rod are fixedly connected with sliding plates, the outer wall of the output end of the first air pump push rod is sleeved with a first spring, the first spring is positioned between the two sliding plates, the bottom of each sliding plate is rotatably connected with a push rod, the other ends of the two push rods are rotatably connected with push sliders, and one side of the installation plate is rotatably inserted with two first rotating shafts. The invention can carry out secondary locking after the bus sliding plug door is closed, has good stability and improves the pneumatic locking effect of the bus sliding plug door.

Description

Be used for public bus stopper sliding door pneumatic type locking structure
Technical Field
The invention relates to the technical field of bus sliding plug doors, in particular to a pneumatic locking structure for a bus sliding plug door.
Background
The sliding plug door is mainly a door with two actions of plugging and pulling, namely, when the door is closed, the door opening is plugged in from the inside or outside of the vehicle, so that the door is closed and sealed, when the door is opened, the door can slide along the inner side or the outer side of the vehicle body after being moved away from the door opening for a certain distance, and the pneumatic locking structure of the sliding plug door of the bus is a structure for locking the bus after the sliding plug door is closed.
At present, the pneumatic type locking structure of current public bus stopper sliding door mostly has following not enough: carrying out the pneumatic type locking in-process, can not carrying out the secondary locking after closing, stability is relatively poor to influence bus stopper sliding door pneumatic type locking effect, to sum up, current bus stopper sliding door pneumatic type locking structure still can not agree with actual need well mostly.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a pneumatic locking structure for a sliding plug door of a bus, which mainly solves the problem that the pneumatic locking effect of the sliding plug door of the bus is influenced because the secondary locking cannot be carried out after the sliding plug door is closed and the stability is poor in the pneumatic locking process.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme:
a pneumatic locking structure for a sliding plug door of a bus comprises a cross beam, two sliding plug doors and an installation pedal, wherein two ends of the cross beam are fixedly connected with connectors, one side of the cross beam is fixedly connected with an installation plate, the top of the mounting plate is fixedly connected with a first air pump push rod, one end of the outer wall of the first air pump push rod and the output end of the first air pump push rod are both fixedly connected with sliding plates, the outer wall of the output end of the first air pump push rod is sleeved with a first spring, the first spring is positioned between the two sliding plates, the bottom of the sliding plate is rotationally connected with pushing rods, the other ends of the two pushing rods are rotationally connected with pushing sliding blocks, two first rotating shafts are rotatably inserted into one side of the mounting plate, a first clamping plate is fixedly sleeved on the outer wall of each first rotating shaft, the bottom end of each first clamping plate is rotatably connected with an extrusion wheel, the extrusion wheel is rotatably connected with a pushing slide block, the top of the cross beam is fixedly connected with a second servo motor, the output end of the second servo motor is fixedly connected with a coupler, the other end of the coupler is fixedly connected with a lead screw with opposite threads at two ends, the outer wall of the lead screw is sleeved with two sliding sleeves, the outer wall of the sliding sleeves is rotatably connected with a guide sleeve, the outer wall of the guide sleeve is fixedly connected with a first lock catch, the first lock catch is clamped with a first clamping plate, a guide post is fixedly connected between the two connectors, the guide sleeve is sleeved with the guide post, the outer wall of the bottom of the guide sleeve is fixedly connected with an installation seat, a connecting column is fixed on the bottom of the installation seat through a bolt, the other end of the connecting column is fixedly connected with an intermediate fixing plate, the intermediate fixing plate is fixed on the inner side of the sliding plug door through a bolt, the top of mount pad is rotated and is connected with the pulley, and the bottom fixedly connected with of crossbeam has two arc tracks, and the pulley slides in the arc track.
Furthermore, one side of the sliding plate is rotatably connected with two limiting wheels, the top of the mounting plate is fixedly connected with a first protection plate, one side of the first protection plate is provided with a limiting hole, and the limiting wheels roll in the limiting hole.
On the basis of the scheme, one side of the pushing sliding block is rotatably connected with a plurality of guide wheels, one side of the mounting plate is fixedly connected with a second protection plate, and one side of the second protection plate is in sliding connection with the guide wheels through a sliding groove.
As a further scheme of the present invention, one side of the beam is fixedly connected with a first servo motor, an output end of the first servo motor is fixedly connected with a locking plate, the locking plate is of an arc structure, one end of the first lock catch is fixedly connected with an extension buckle, and the locking plate is in contact with the extension buckle.
Further, the bottom fixedly connected with installation piece of installation footboard, two set squares of one side fixedly connected with of installation piece, one side fixedly connected with second air pump push rod of installation piece, the output of second air pump push rod passes installation piece fixedly connected with sliding block, and the top and the bottom of sliding block all rotate and are connected with the movable pulley, one side of set square is equipped with the sliding hole, and the movable pulley rolls in the sliding hole, the other end of sliding block rotates and is connected with two second cardboards, one side fixedly connected with second axis of rotation of second cardboard, and the top of second axis of rotation rotates with the bottom of installation footboard and is connected, the inboard fixedly connected with second hasp of stopper sliding door, second cardboard and second hasp joint, one side fixedly connected with second spring of second cardboard, the other end and the installation footboard fixed connection of second spring.
On the basis of the scheme, the bottom of the installation pedal is fixedly connected with two third air pump push rods, the output end of each third air pump push rod is fixedly connected with a swing arm, the other end of each swing arm is in contact with the sliding plug door, the bottom of the installation pedal is fixedly connected with a rotating seat, and the swing arms rotate on the rotating seats.
As a further scheme of the invention, one side of the cross beam is fixedly connected with a bearing seat and a connecting plate, the bearing seat and the connecting plate are rotatably inserted into the screw rod, and both sides of the sliding plug door are provided with adhesive tape frames.
Furthermore, the bottom of the installation pedal is fixedly connected with an installation cover and two protection covers, the second air pump push rod is located in the installation cover, and the third air pump push rod is located in the protection covers.
(III) advantageous effects
Compared with the prior art, the invention provides a pneumatic locking structure for a plug sliding door of a bus, which has the following beneficial effects:
1. according to the invention, the first clamping plate is driven to rotate by the first air pump push rod, so that the first clamping plate is clamped with the first lock catch, and the sliding plug door is subjected to double locking, so that secondary locking can be performed after the sliding plug door of the bus is closed, the stability is good, and the pneumatic locking effect of the sliding plug door of the bus is improved.
2. According to the invention, the two sliding sleeves and the two driving guide sleeves of the second servo motor move towards the middle, so that the pulley slides along the arc-shaped track, the sliding plug door is pulled to rotate inwards, the sliding plug door is automatically closed, and the degree of mechanization is high.
3. According to the invention, the locking plate is driven by the first servo motor to rotate, so that the locking plate is contacted with the extension buckle to perform auxiliary locking on the sliding plug door, and the pneumatic locking effect of the sliding plug door of the bus is further improved.
4. The sliding plug door is started by the third air pump push rod, and the swing arm is driven by the third air pump push rod to rotate, so that the swing arm abuts against the inner side of the sliding plug door, the swinging of the sliding plug door in the running process is reduced, the abrasion of the sliding plug door is reduced, and the service life of the sliding plug door is prolonged.
Drawings
FIG. 1 is a schematic perspective view of a pneumatic locking structure for a sliding plug door of a bus according to the present invention;
FIG. 2 is a schematic view of a partial top view of a pneumatic locking structure for a sliding plug door of a bus according to the present invention;
FIG. 3 is a schematic view of a partial rear view structure of a pneumatic locking structure for a sliding plug door of a bus according to the present invention;
FIG. 4 is a schematic view of a part of the internal structure of a pneumatic locking structure for a sliding plug door of a bus, which is provided by the invention;
FIG. 5 is a schematic view of a pneumatic locking structure for a sliding plug door of a bus according to the present invention;
FIG. 6 is a schematic rear view of a pneumatic locking structure for a sliding plug door of a bus according to the present invention;
fig. 7 is a schematic diagram of the internal structure of a pneumatic locking structure for a sliding plug door of a bus.
In the figure: 1. a cross beam; 2. a connector; 3. mounting a plate; 4. a first air pump push rod; 5. a limiting wheel; 6. a first spring; 7. a first shield plate; 8. a limiting hole; 9. a sliding plate; 10. a push rod; 11. pushing the slide block; 12. a guide wheel; 13. a second guard plate; 14. a first rotating shaft; 15. a first clamping plate; 16. an extrusion wheel; 17. a first lock catch; 18. extending the buckle; 19. a first servo motor; 20. a locking plate; 21. a guide post; 22. a guide sleeve; 23. a sliding sleeve; 24. a mounting seat; 25. a pulley; 26. an arc-shaped track; 27. a second servo motor; 28. a coupling; 29. a lead screw; 30. a bearing seat; 31. a connecting plate; 32. connecting columns; 33. a middle fixing plate; 34. a sliding plug door; 35. adhesive tape frames; 36. installing a pedal; 37. a protective cover; 38. installing a cover; 39. mounting a block; 40. a second air pump push rod; 41. a slider; 42. a sliding wheel; 43. a set square; 44. a slide hole; 45. a second clamping plate; 46. a second rotating shaft; 47. a second spring; 48. a second lock catch; 49. rotating the base; 50. a third air pump push rod; 51. and (4) swinging arms.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, a pneumatic locking structure for a sliding plug door of a bus comprises a cross beam 1, two sliding plug doors 34 and an installation pedal 36, wherein the installation pedal 36 is installed on a bus body, two ends of the cross beam 1 are both fixed with connectors 2 through bolts, one side of the cross beam 1 is fixed with an installation plate 3 through bolts, the top of the installation plate 3 is fixed with a first air pump push rod 4 through bolts, one end of the outer wall of the first air pump push rod 4 and the output end of the first air pump push rod 4 are both fixed with sliding plates 9 through bolts, the outer wall of the output end of the first air pump push rod 4 is sleeved with a first spring 6 which has a buffering effect on the switch of the sliding plug door 34, the first spring 6 is positioned between the two sliding plates 9, the bottom of the sliding plates 9 is rotatably connected with push rods 10, the other ends of the two push rods 10 are rotatably connected with push sliders 11, one side of the installation plate 3 is rotatably inserted with two first rotating shafts 14, the outer wall of the first rotating shaft 14 is fixedly sleeved with a first clamping plate 15, the bottom end of the first clamping plate 15 is rotatably connected with an extrusion wheel 16, and the extrusion wheel 16 is rotatably connected with the push sliders 11;
the top of the beam 1 is fixed with a second servo motor 27 through a bolt, the output end of the second servo motor 27 is in keyed connection with a coupler 28, the other end of the coupler 28 is welded with a lead screw 29 with opposite threads at two ends, the outer wall of the lead screw 29 is sleeved with two sliding sleeves 23, the outer wall of each sliding sleeve 23 is rotatably connected with a guide sleeve 22, the outer wall of each guide sleeve 22 is fixed with a first lock catch 17 through a bolt, the first lock catch 17 is clamped with a first clamping plate 15, a first air pump push rod 4 drives a lower sliding plate 9 to move under the drive of the first air pump push rod 4, so that a push rod 10 rotates and further drives a push sliding block 11 to slide downwards, so that the first clamping plate 15 is driven to rotate, so that the first clamping plate 15 is clamped with the first lock catch 17 and further locks a sliding plug door 34, a guide column 21 is welded between two connectors 2, the guide sleeve 22 is sleeved with the guide column 21, the bottom outer wall of the guide sleeve 22 is fixedly provided with the mounting seat 24 through a bolt, the bottom of the mounting seat 24 is fixedly provided with a connecting column 32 through a bolt, the other end of the connecting column 32 is fixedly provided with an intermediate fixing plate 33 through a bolt, the intermediate fixing plate 33 is fixedly arranged on the inner side of the sliding plug door 34 through a bolt, the top of the mounting seat 24 is rotatably connected with the pulley 25, the bottom of the cross beam 1 is fixedly provided with two arc-shaped rails 26 through a bolt, the pulley 25 slides in the arc-shaped rails 26, the coupler 28 and the lead screw 29 are driven by the second servo motor 27 to rotate together, so that the two sliding sleeves 23 are gathered to the middle on the lead screw 29, then the two driving guide sleeves 22 move to the middle on the guide column 21, so that the pulley 25 slides along the arc-shaped rails 26, the sliding plug door 34 is pulled to rotate inwards, and the sliding plug door 34 is closed.
One side of the sliding plate 9 is rotatably connected with two limiting wheels 5, the top of the mounting plate 3 is fixedly provided with a first protection plate 7 through bolts, one side of the first protection plate 7 is provided with a limiting hole 8, the limiting wheels 5 roll in the limiting hole 8, one side of the pushing sliding block 11 is rotatably connected with a plurality of guide wheels 12, one side of the mounting plate 3 is fixedly provided with a second protection plate 13 through bolts, one side of the second protection plate 13 is slidably connected with the guide wheels 12 through a chute, one side of the cross beam 1 is fixedly provided with a first servo motor 19 through bolts, the output end of the first servo motor 19 is in keyed connection with a locking plate 20, the locking plate 20 is of an arc-shaped structure, one end of the first locking buckle 17 is welded with an extension buckle 18, the locking plate 20 is in contact with the extension buckle 18, the locking plate 20 is driven by the first servo motor 19 to rotate, so that the locking plate 20 is in contact with the extension buckle 18, and the plug sliding door 34 is locked in an auxiliary mode.
The bottom of the installation pedal 36 is fixed with an installation block 39 through a bolt, one side of the installation block 39 is fixed with two triangular plates 43 through a bolt, one side of the installation block 39 is fixed with a second air pump push rod 40 through a bolt, the output end of the second air pump push rod 40 penetrates through the installation block 39 and is fixed with a sliding block 41 through a bolt, the top and the bottom of the sliding block 41 are both rotatably connected with sliding wheels 42, one side of the triangular plate 43 is provided with a sliding hole 44, the sliding wheels 42 roll in the sliding hole 44, the other end of the sliding block 41 is rotatably connected with two second clamping plates 45, one side of each second clamping plate 45 is fixed with a second rotating shaft 46 through a bolt, the top end of each second rotating shaft 46 is rotatably connected with the bottom of the installation pedal 36, the inner side of the sliding plug door 34 is fixed with a second lock catch 48 through a bolt, the second clamping plate 45 is clamped with the second lock catch 48, one side of each second clamping plate 45 is fixed with a second spring 47 through a bolt, the other end of the second spring 47 is fixedly connected with the installation pedal 36, the sliding block 41 rotates on the second push rod 40, so that the second clamping catch 45 rotates, two sides of the second clamping plate 45 enter into the second lock catch, and the second clamping catch 48, and the air pump 34 is locked;
two third air pump push rods 50 are fixed to the bottom of the installation pedal 36 through bolts, a swing arm 51 is connected to the output end of each third air pump push rod 50 in a keyed mode, the other end of the swing arm 51 is in contact with the sliding plug door 34, a rotating seat 49 is fixed to the bottom of the installation pedal 36 through bolts, the swing arm 51 rotates on the rotating seat 49, the swing arm 51 rotates under the driving of the third air pump push rods 50, the swing arm 51 abuts against the inner side of the sliding plug door 34, shaking in the running process of the sliding plug door 34 is reduced, a bearing seat 30 and a connecting plate 31 are fixed to one side of the cross beam 1 through bolts, the bearing seat 30 and the connecting plate 31 are in rotating insertion connection with the lead screw 29, the bearing seat 30 and the connecting plate 31 support the rotation of the lead screw 29, rubber strip frames 35 playing a dustproof role are arranged on the two sides of the sliding plug door 34, an installation cover 38 and two protective covers 37 are fixed to the bottom of the installation pedal 36 through bolts, the second air pump push rods 40 are located in the installation cover 38, the third air pump push rods 50 are located in the protective covers 37, and the installation covers 38 and 37 protect the second air pump push rods 40 and the third air pump push rods 50.
The working principle of the embodiment is as follows: when the sliding door locking device is used, firstly, the second servo motor 27 is started, the coupler 28 and the lead screw 29 rotate together under the driving of the second servo motor 27, so that the two sliding sleeves 23 gather towards the middle on the lead screw 29, and then the two driving guide sleeves 22 move towards the middle on the guide post 21, so that the pulley 25 slides along the arc-shaped track 26, so that the sliding plug door 34 rotates inwards, and the sliding plug door 34 is closed, then, the first air pump push rod 4 moves under the driving of the first air pump push rod 4, so that the push rod 10 rotates, and further the driving sliding block 11 slides downwards, so that the first clamping plate 15 is driven to rotate, so that the first clamping plate 15 is clamped with the first lock 17, and the sliding plug door 34 is locked, meanwhile, the second air pump push rod 40 is started, the driving sliding block 41 of the second push rod 40 rotates, so that the second clamping plates 45 rotate at two sides, the second clamping plate 48 is clamped with the second clamping plate 45, so that the sliding plug door 34 is locked, the first air pump push rod 40 is driven to rotate under the driving sliding block 41 of the second push rod 40, so that the second clamping plate 45 rotates, so that the sliding plug door 19 and the sliding plug door 34 rotates, and the swinging arm 34 is reduced, and the third air pump 34 is started, so that the sliding plug door 34 rotates, and the sliding door 34 and the sliding door 19 rotates.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
In the description herein, it is noted that, unless expressly stated or limited otherwise, the terms "connected" and "coupled" are to be construed broadly, e.g., as meaning fixedly attached, detachably attached, or integrally attached; the connection may be mechanical or electrical, and may be direct or indirect via an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description herein, it is noted that relational terms such as first and second, and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The pneumatic locking structure for the sliding plug door of the bus comprises a cross beam (1), two sliding plug doors (34) and an installation pedal (36), wherein two ends of the cross beam (1) are fixedly connected with connectors (2), one side of the cross beam (1) is fixedly connected with an installation plate (3), the pneumatic locking structure is characterized in that the top of the installation plate (3) is fixedly connected with a first air pump push rod (4), one end of the outer wall of the first air pump push rod (4) and the output end of the first air pump push rod (4) are fixedly connected with sliding plates (9), the outer wall of the output end of the first air pump push rod (4) is sleeved with a first spring (6), the first spring (6) is positioned between the two sliding plates (9), the bottom of each sliding plate (9) is rotatably connected with a push rod (10), the other end of the two push rods (10) is rotatably connected with a pushing sliding block (11), one side of the installation plate (3) is rotatably inserted with two first rotating shafts (14), the outer wall of the first rotating fixing sleeve (14) is connected with a first clamping plate (15), the bottom end of the first clamping plate (15) is rotatably connected with an extrusion wheel (16), the extrusion wheel (16) is fixedly connected with a second extrusion shaft coupling (27), the servo motor (27) is fixedly connected with the second extrusion shaft coupling (11), the lead screw (29) that the screw thread is opposite at the other end fixedly connected with both ends of shaft coupling (28), the outer wall thread cover of lead screw (29) is equipped with two sliding sleeve (23), and the outer wall of sliding sleeve (23) rotates and is connected with uide bushing (22), the first hasp of outer wall fixedly connected with (17) of uide bushing (22), first hasp (17) and first cardboard (15) joint, two fixedly connected with guide post (21) between connector (2), uide bushing (22) cup joint with guide post (21) mutually, the bottom outer wall fixedly connected with mount pad (24) of uide bushing (22), the bottom bolt fastening of mount pad (24) has spliced pole (32), fixed plate (33) in the middle of the other end fixedly connected with of spliced pole (32), and fixed plate (33) pass through the bolt fastening in the inboard of stopper sliding door (34), the top of mount pad (24) is rotated and is connected with pulley (25), and two arc track (26) of bottom fixedly connected with of crossbeam (1), and pulley (25) slide in arc track (26).
2. The pneumatic locking structure for the plug door of the bus according to claim 1, wherein two limiting wheels (5) are rotatably connected to one side of the sliding plate (9), a first protection plate (7) is fixedly connected to the top of the mounting plate (3), a limiting hole (8) is formed in one side of the first protection plate (7), and the limiting wheels (5) roll in the limiting hole (8).
3. The pneumatic locking structure for the plug door of the public bus according to claim 1, wherein one side of the pushing sliding block (11) is rotatably connected with a plurality of guide wheels (12), one side of the mounting plate (3) is fixedly connected with a second protection plate (13), and one side of the second protection plate (13) is slidably connected with the guide wheels (12) through a sliding groove.
4. The pneumatic locking structure for the sliding plug door of the public bus according to claim 1, wherein a first servo motor (19) is fixedly connected to one side of the cross beam (1), a locking plate (20) is fixedly connected to an output end of the first servo motor (19), the locking plate (20) is of an arc-shaped structure, an extension buckle (18) is fixedly connected to one end of the first buckle (17), and the locking plate (20) is in contact with the extension buckle (18).
5. The pneumatic locking structure for the sliding plug door of the public bus according to claim 1, wherein a mounting block (39) is fixedly connected to the bottom of the mounting pedal (36), two triangular plates (43) are fixedly connected to one side of the mounting block (39), a second air pump push rod (40) is fixedly connected to one side of the mounting block (39), a sliding block (41) is fixedly connected to the output end of the second air pump push rod (40) after penetrating through the mounting block (39), the top and the bottom of the sliding block (41) are both rotatably connected with a sliding wheel (42), a sliding hole (44) is formed in one side of each triangular plate (43), the sliding wheel (42) rolls in the sliding hole (44), two second clamping plates (45) are rotatably connected to the other end of each sliding block (41), a second rotating shaft (46) is fixedly connected to one side of each second clamping plate (45), the top end of each second rotating shaft (46) is rotatably connected to the bottom of the mounting pedal (36), a second latch (48) is fixedly connected to the inner side of the sliding plug door (34), the second clamping plates (45) are clamped to the second clamping plates (48), one side of the second clamping plates (45) is fixedly connected to the second clamping springs (47), and a second spring (47) is fixedly connected to the other side of the second clamping plates (47), and a mounting spring (47) is connected to the mounting pedal (36).
6. The pneumatic locking structure for the plug door of the bus according to claim 1, wherein two third air pump push rods (50) are fixedly connected to the bottom of the installation pedal (36), an output end of each third air pump push rod (50) is fixedly connected with a swing arm (51), the other end of each swing arm (51) is in contact with the plug door (34), a rotating seat (49) is fixedly connected to the bottom of the installation pedal (36), and each swing arm (51) rotates on the corresponding rotating seat (49).
7. The pneumatic locking structure for the sliding plug door of the bus according to claim 1, wherein a bearing seat (30) and a connecting plate (31) are fixedly connected to one side of the cross beam (1), the bearing seat (30) and the connecting plate (31) are rotatably inserted into a screw rod (29), and adhesive tape frames (35) are arranged on two sides of the sliding plug door (34).
8. The pneumatic locking structure for the plug door of the bus according to claim 1, wherein a mounting cover (38) and two protective covers (37) are fixedly connected to the bottom of the mounting pedal (36), the second air pump push rod (40) is located in the mounting cover (38), and the third air pump push rod (50) is located in the protective cover (37).
CN202210956426.9A 2022-08-10 2022-08-10 Be used for public bus stopper sliding door pneumatic type locking structure Pending CN115354925A (en)

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CN202210956426.9A CN115354925A (en) 2022-08-10 2022-08-10 Be used for public bus stopper sliding door pneumatic type locking structure

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Application Number Priority Date Filing Date Title
CN202210956426.9A CN115354925A (en) 2022-08-10 2022-08-10 Be used for public bus stopper sliding door pneumatic type locking structure

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206158446U (en) * 2016-08-31 2017-05-10 金湖县世杰客车门泵有限公司 Locking mechanism's stopper sliding door in middle of being provided with
CN110043155A (en) * 2019-05-17 2019-07-23 常州九创车门智能***有限公司 Bus door
CN112031563A (en) * 2020-09-27 2020-12-04 江苏盛龙机电制造有限公司 Plug locking mechanism of medium-double-plug sliding door
CN112810642A (en) * 2019-10-31 2021-05-18 比亚迪股份有限公司 Sliding plug door bearing device, sliding plug door driving device and railway vehicle
CN215565176U (en) * 2021-08-27 2022-01-18 淮安市久泰汽车零部件制造有限公司 Pneumatic locking and unlocking mechanism of electric sliding plug door

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206158446U (en) * 2016-08-31 2017-05-10 金湖县世杰客车门泵有限公司 Locking mechanism's stopper sliding door in middle of being provided with
CN110043155A (en) * 2019-05-17 2019-07-23 常州九创车门智能***有限公司 Bus door
CN112810642A (en) * 2019-10-31 2021-05-18 比亚迪股份有限公司 Sliding plug door bearing device, sliding plug door driving device and railway vehicle
CN112031563A (en) * 2020-09-27 2020-12-04 江苏盛龙机电制造有限公司 Plug locking mechanism of medium-double-plug sliding door
CN215565176U (en) * 2021-08-27 2022-01-18 淮安市久泰汽车零部件制造有限公司 Pneumatic locking and unlocking mechanism of electric sliding plug door

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