CN110552557A - Locking and unlocking device for sliding plug door - Google Patents
Locking and unlocking device for sliding plug door Download PDFInfo
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- CN110552557A CN110552557A CN201810547188.XA CN201810547188A CN110552557A CN 110552557 A CN110552557 A CN 110552557A CN 201810547188 A CN201810547188 A CN 201810547188A CN 110552557 A CN110552557 A CN 110552557A
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- unlocking
- locking
- door
- rod
- swing
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- 230000007246 mechanism Effects 0.000 claims abstract description 190
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 230000002146 bilateral effect Effects 0.000 claims description 4
- 230000002441 reversible effect Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 3
- 238000010168 coupling process Methods 0.000 claims 3
- 238000005859 coupling reaction Methods 0.000 claims 3
- 230000000452 restraining effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 244000309464 bull Species 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- 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
- E05B81/00—Power-actuated vehicle locks
- E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
- E05B81/20—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators for assisting final closing or for initiating opening
-
- 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
- E05B83/363—Locks for passenger or like doors for railway vehicles
-
- 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
Abstract
The invention relates to a sliding plug door locking and unlocking device, which comprises: the locking and unlocking mechanism comprises a driving mechanism, a locking and unlocking mechanism and a bottom plate for providing an installation surface, wherein the driving mechanism is arranged in the middle position and can drive the locking and unlocking mechanism symmetrically arranged on the left side and the right side to complete unlocking or locking actions when the door is opened or closed; the locking and unlocking mechanism comprises two locking and unlocking components arranged between a rotating upright post and a bottom plate of the left door leaf or the right door leaf and two unlocking pull rods which are bilaterally and symmetrically connected with the driving mechanism and are used for switching the locking and unlocking components between a locking state and an unlocking state under the action of the locking and unlocking components. The sliding plug door locking and unlocking device provided by the invention has the advantages that the driving mechanism is arranged in the middle position, the locking and unlocking mechanisms are symmetrically arranged on two sides of the driving mechanism, and the symmetrically arranged mechanisms respectively act simultaneously, so that the sliding plug door locking and unlocking device has good coordination when a door body is unlocked, and the door body can act coordinately and synchronously.
Description
Technical Field
The invention relates to the technical field of sliding plug doors, in particular to a sliding plug door locking and unlocking device which can be suitable for rail vehicles and public vehicles.
background
In the prior art, along with the continuous development of railway passenger transport in China, the sealing property, the convenience and the flexibility of train doors gradually become very important indexes. Therefore, a large number of new technologies are adopted on the speed-up passenger car, and the sliding plug door is one of the technologies: the sliding plug door is a product integrating gas collection, electricity and machinery, and the sliding plug door mainly has two actions of plugging and pulling, namely: when the door is closed, the door is plugged into the door opening from the inside or the outside of the vehicle to close and seal the door; 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 doorway for a certain distance. The electric sliding plug doors used in partial cities in the current market are complex in technology, high in manufacturing difficulty and unstable in running state.
Chinese patent "electric sliding plug door locking and unlocking mechanism", publication no: 103046827B, discloses an electric sliding plug door locking and unlocking mechanism, which comprises a locking and unlocking component and a motor swing rod driving component. The locking and unlocking assembly comprises an unlocking swing rod, a left swing rod, a right swing rod, a pull rod and a joint bearing connection. The locking and unlocking assembly is connected with the motor swing rod driving assembly through a joint bearing connecting rod; the motor swing rod driving assembly drives the locking and unlocking assembly to act through the joint bearing connecting rod. However, in the above technical scheme, the motor drive is arranged on one side of the sliding plug door, the output end of the motor is firstly connected with the unlocking swing rod, the left swing rod is connected with the right swing rod through the pull rod, the action is transmitted between the left swing rod and the swing rod through a long section of the sliding plug door, the two swing rods often cause asynchronism, the two doors do asynchronism in action, the sliding plug effect is poor, and meanwhile, the sealing between the two doors is damaged.
above-mentioned unblock pendulum rod correlation structure, the member of pendulum rod subassembly is longer, and its displacement is great, at the unblock in-process, is difficult to pass through or stop at the dead point position to, on the mode that unblock pendulum rod and locking bull stick formed the dead point position, the locking bull stick passes through one end and slides, and the formation of dead point position is realized to pivoted mode on one side, and the stroke of locking bull stick receives the restriction, and the dead point position is difficult to form, causes the not accurate of release mechanism's motion.
Disclosure of Invention
the invention aims to solve the technical problem that the door unlocking action in the sliding plug door device in the prior art cannot realize synchronous action.
To achieve the above object, a sliding plug door locking and unlocking device includes: a drive mechanism, a locking and unlocking mechanism and a bottom plate for providing a mounting surface,
The driving mechanism is arranged in the middle, and the locking and unlocking mechanisms are arranged on the two sides of the driving mechanism in a bilateral symmetry manner;
One end of the locking and unlocking mechanism is connected with the driving mechanism, the other end of the locking and unlocking mechanism is connected with the rotating upright post of the left door leaf or the right door leaf, when the door is closed, the driving mechanism and the locking and unlocking mechanism act to drive the locking and unlocking mechanism to enter the locking area and enable the door to be in a locking state under the action of the driving mechanism after the door body reaches a closed position, and when the door is opened, the driving mechanism and the locking and unlocking mechanism act to enable the locking and unlocking mechanism to leave the locking and unlocking area, so that the door is in an unlocking state;
The locking and unlocking mechanism comprises two symmetrical locking and unlocking components arranged between a rotating upright post and a bottom plate of the left door leaf or the right door leaf and two unlocking pull rods which are connected with the driving mechanism in a bilateral symmetry mode and are used for switching the locking and unlocking components between a locking state and an unlocking state under the action of the locking and unlocking components.
Furthermore, the driving mechanism comprises a driving motor for driving the door to open and close simultaneously, a stator of the driving motor can rotate reversely when the rotor cannot rotate under resistance, and the stator of the driving motor is connected with the locking and unlocking mechanism and can interact with the locking and unlocking mechanism to act;
And a swinging disc rotating along with the stator of the driving motor is arranged on the stator of the driving motor, and one end of the unlocking pull rod is connected with the swinging disc and used for acting with the driving motor.
Furthermore, the locking and unlocking assembly comprises a locking rotating rod, an unlocking swing rod and a guide arm; the fixed end of the locking rotating rod is hinged and fixed on the bottom plate through a hinge shaft, and the free end of the locking rotating rod is provided with a rotatable connecting shaft; the locking rotating rod is rotatably connected with the other end of the unlocking pull rod through the connecting shaft and is relatively rotatably connected with one end of the unlocking swing rod; the free end of the guide arm is connected with the other end of the unlocking swing rod in a relatively rotatable manner, and the fixed end of the guide arm is connected with the rotating upright post and can rotate relatively around the rotating upright post;
The swing disc rotates anticlockwise to drive the unlocking pull rods on the left side and the right side to move towards the direction of the motor, so that the locking rotating rod is driven to rotate around the hinged shaft, the unlocking swing rods are driven to swing together, when the locking rotating rod and the unlocking swing rods are positioned on the same straight line, the locking position is achieved, and the door body is in a locking state; the swing disc rotates clockwise to drive the unlocking pull rods on the left side and the right side to move towards the left direction and the right direction respectively, so that the locking rotating rod is driven to rotate around the hinged shaft, the unlocking swing rod is driven to swing together, when the locking rotating rod and the unlocking swing rod are separated from the same straight line position, the locking rotating rod enters an unlocking area, and the door body is in an unlocking state.
Furthermore, the locking and unlocking assembly further comprises a guide rotating wheel which is arranged on the guide arm and runs along a certain track, and the guide rotating wheel slides in a door groove formed in the door body.
furthermore, the locking and unlocking assembly further comprises a limiting part used for limiting the swing disc to rotate anticlockwise when the locking and unlocking assembly enters the locking position, and the limiting part is arranged on a motor support of the driving motor.
Further, the locking and unlocking mechanism comprises a tension spring; one end of the tension spring is connected with a pulling piece which is arranged on the connecting shaft and is positioned at the lower end part of the unlocking swing rod, the other end of the tension spring is connected with a spring pulling plate, the spring pulling plate is fixed on the bottom plate, and the tension spring can enable the locking and unlocking assembly to stop or keep at a locking area position.
Furthermore, the end part of the unlocking pull rod is provided with an arc-shaped hooking end, and the hooking end is connected with the swinging disc.
Furthermore, the locking rotating rod comprises a fixed end in a U-shaped frame shape and a connecting plate which is reversely extended from a bottom plate of the U-shaped fixed end to the opening and is positioned at a free end; the U-shaped fixed end is spliced with the bottom plate and is rotatably connected with the bottom plate through a hinged shaft, and the connecting shaft is rotatably arranged on the connecting plate; the connecting plate is rotatably connected with the unlocking pull rod and the unlocking swing rod through a connecting shaft.
furthermore, the spring pulling plate is a Z-shaped plate, one horizontal section of the spring pulling plate is connected with the bottom plate, and the other horizontal section of the spring pulling plate is connected with the tension spring.
Further, the unlocking device also comprises a hand unlocking mechanism which is connected with the driving mechanism and acts with the driving mechanism, and the hand unlocking mechanism is used for manually separating the sliding plug door from the locking position to be in an unlocking state.
Further, the hand unlocking mechanism comprises a hand unlocking rod, a hand unlocking swing rod and an unlocking rope, wherein one end of the hand unlocking rod is connected with a swing disc outside a stator of the driving motor and interacts with the driving motor; one end of the hand release pull rod is connected with the hand release swing rod, and the hand release swing rod can be arranged on the swing rod bracket in a swinging manner; the other end of the unlocking rope and the other end of the hand unlocking pull rod are respectively connected with the hand unlocking swing rod from two sides.
Furthermore, the swing rod bracket is fixed on the bottom plate, a rotating shaft is arranged on the swing rod bracket, and the hand release swing rod can be rotationally fixed on the swing rod bracket through the rotating shaft; the manual unlocking swing rod comprises an upward extending swing rod and a trigger rod connected with the swing rod into a whole, a notch groove is formed in the upper end of the swing rod and used for an unlocking rope to penetrate through, and the manual unlocking pull rod is connected with the upper end of the swing rod.
Further, the hand unlocking mechanism further comprises a rope penetrating frame, the rope penetrating frame is arranged on one side, opposite to the pull rod, of the hand releasing swing rod, a rope penetrating pipe is arranged at the upper end of the rope penetrating frame, and the unlocking rope sequentially penetrates through the hand releasing swing rod and the rope penetrating pipe to be connected with an inner unlocking switch arranged in the carriage and/or an outer unlocking switch arranged outside the carriage.
Furthermore, a transverse limiting column is arranged on one side wall of the swing rod bracket; an elastic element is arranged on the rotating shaft, so that the hand unlocking swing rod keeps abutting against the position of the limiting column when not pulled, and the locking and unlocking mechanism is in a locking state.
further, a thrust copper pad is arranged on the end face of the swinging plate and used for triggering the lock-in-place switch when the swinging plate rotates to the locking position so as to control the driving motor to stop; the lock in-place switch is erected on the periphery of the wobble plate through a switch arranged on the motor support and acts with the thrust copper pad.
Furthermore, the swinging plate is provided with two connecting lugs at 180-degree symmetrical positions, the connecting lugs are provided with rotatable swinging plate connecting shafts, and the hand release pull rod and the unlocking pull rod are simultaneously rotatably connected with the swinging plate through the swinging plate connecting shafts.
Compared with the prior art, the sliding plug door locking and unlocking device has the advantages that the driving mechanism is arranged in the middle, the sliding unlocking mechanisms are symmetrically arranged on the two sides of the driving mechanism, the symmetrically arranged mechanisms respectively act simultaneously, good coordination is realized when the door body is unlocked, the door bodies can act coordinately and synchronously, and compared with a mode that the door bodies are respectively driven by the output of a group of unlocking mechanisms at different rod positions, the sliding plug door locking and unlocking device can overcome the defects that the sliding plug door locking and unlocking device in the prior art is not coordinated in action and the two door bodies are not uniformly stressed.
When a stator of the driving motor rotates anticlockwise, the swing disc is driven to rotate anticlockwise, the unlocking pull rods on the left side and the right side are driven to move towards the motor direction, the locking rotating rod is driven to rotate around the hinge shaft, the unlocking swing rod is driven to swing together, when the locking rotating rod and the unlocking swing rod are positioned on the same straight line and pass through the dead point position, the locking position is entered, and the door body is in a locking state; when a stator of the driving motor rotates clockwise, the swinging disc rotates clockwise to drive the unlocking pull rods on the left side and the right side to move in the left-right direction respectively, so that the locking rotating rod is driven to rotate around the hinge shaft, the unlocking swing rod is driven to swing together, when the locking rotating rod and the unlocking swing rod are separated from a dead point position, an unlocking area is formed, and the door body is in an unlocking state. Therefore, the locking and unlocking mechanism is driven by the same driving mechanism as the door to complete unlocking or locking actions, namely, the locking and unlocking mechanism rotates in sequence through the connection of a swing disc outside the motor, an unlocking pull rod and a locking and unlocking assembly, namely, an unlocking swing rod, a locking rotary rod and a guide arm, and when the locking rotary rod and the unlocking swing rod are positioned at the same straight line position, the position is a dead point position, so that the locking purpose is realized; when the locking rotating rod and the unlocking swing rod rotate to a position where the locking rotating rod and the unlocking swing rod are not in the same straight line position, the locking rotating rod and the unlocking swing rod are separated from a dead point position and are in an unlocking state; thereby enabling the driving motor to drive the door leaf to open. The two locking and unlocking assemblies are symmetrically arranged, so that the unlocking pull rod and the unlocking swing rod are shorter in length, compared with the locking and unlocking mechanism which only adopts one group of pull rods and swing rods, the locking and unlocking mechanism is simpler in structure, and is shorter in stroke during rotation, so that the locking and unlocking mechanism is high in action speed and accurate in action, the distances from the locking and unlocking mechanism to the door leaf are the same, time sequence deviation cannot be caused, and the door closing and opening actions are accurate.
The invention further provides a manual unlocking device which is used for manually unlocking the inside and outside of the carriage when the driving mechanism of the locking and unlocking mechanism fails or automatic unlocking cannot be carried out under the condition of an accident.
Drawings
FIG. 1 is a schematic view of the overall structure of a sliding plug door employing the locking and unlocking device of the present invention;
FIG. 2 is a schematic structural view of a door operator system of the sliding plug door according to the present invention;
FIG. 3 is a schematic structural diagram of a driving mechanism provided in the present invention;
FIG. 4 is a schematic view of the drive mechanism and door post configuration provided by the present invention;
FIG. 5 is a schematic structural view of an unlocking mechanism and a base plate according to the present invention;
Fig. 6a is a schematic view of a first three-dimensional structure of an unlocking mechanism provided by the present invention;
Fig. 6b is a schematic diagram of a second perspective structure of the unlocking mechanism provided by the present invention;
FIG. 7 is a schematic view of an unlocking mechanism in the door open state according to the present invention;
FIG. 8 is a schematic view of an unlocking mechanism in a closed door state according to the present invention;
Fig. 9 is a schematic structural diagram of a motor assembly provided by the present invention.
Detailed Description
The above and further features and advantages of the present invention are described in more detail below with reference to the accompanying drawings.
preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
it should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, the overall structure of the sliding plug door using the sliding plug door locking and unlocking device of the present invention is schematically shown, the sliding plug door includes a left door leaf 3, a right door leaf 4, a hoisting mechanism 13, a door system 1 disposed above the door leaf, an isolation mechanism 7 disposed on one of the door leaves, and a sealing mechanism 8 disposed on the periphery of the door frame, wherein the manual unlocking mechanism can respectively manually unlock the door leaf from the inner side and the outer side of the door leaf through an inner unlocking switch 5 and an outer unlocking switch 6; the isolation mechanism 7 is used for isolating the plug door device in case of failure so as to ensure the normal use of other parts of the locomotive; and the hoisting mechanism 13 is used for hoisting the door machine system 1 on the vehicle body and providing support.
Fig. 2 is a schematic structural diagram of a door operator system of the sliding plug door; the gantry crane system comprises a bottom plate 11, a driving mechanism 12, a pulley connecting rod mechanism 15, a locking and unlocking mechanism 16 and an electric appliance control assembly 18, wherein the bottom plate 11 is arranged above two door leaves and is hoisted on the upper portion of a vehicle body through a hoisting mechanism 13, the driving mechanism 12, the pulley connecting rod mechanism 15, the locking and unlocking mechanism 16 and the electric appliance control assembly 18 are all arranged on the bottom plate 11, and each mechanism of the embodiment is arranged on the upper side face of the bottom plate 11 so as to provide a larger space for door leaf movement and plug-pull movement. The driving mechanism 12 is disposed at a middle position of one side surface of the base plate 11, and provides a driving force for the pulley link mechanism 15 to complete the plugging action. The locking and unlocking mechanism 16 of the present invention is also powered by the driving mechanism 12, that is, the driving mechanism 12 drives the locking and unlocking mechanism 16 to complete the unlocking or locking action (described in detail later) when the door is opened or closed; the driving mechanism 12 is disposed at the middle position, and can provide symmetrical acting force to the left and right sides, and provide driving force with the same action to the left door leaf and the right door leaf respectively. The pulley connecting rod mechanisms 15 are connected with the driving mechanism 12 and directly drive the door leaves to act, the pulley connecting rod mechanisms 15 are symmetrically arranged on two sides of the driving mechanism 12 and respectively drive the door leaves connected with the corresponding pulley connecting rod mechanisms 15 to do curvilinear motion under the driving of the driving mechanism 12, and the plugging process is completed. The electric appliance control assembly 18 controls the actions of the driving element, the limiting element and the detecting element, is arranged in a proper space on the bottom plate 11, and can be arranged according to the use convenience in practical use, and is not described herein again.
The locking and unlocking device comprises a locking and unlocking mechanism 16 and a driving mechanism 12 connected with the locking and unlocking mechanism 16, wherein the locking and unlocking mechanism 16 is symmetrically arranged on two sides of the driving mechanism 12 and is connected with a corresponding door leaf, when the door is closed, the locking and unlocking mechanism 16 and the driving mechanism 12 act to enable the door body to reach a limit position and enter a locking state when the door is closed, and when the door is opened, the locking and unlocking mechanism 16 and the driving mechanism 12 act to enable the locking and unlocking mechanism 16 to enter an unlocking state from the locking state and further enable the door body to be opened through the limit position.
As shown in fig. 2, the pulley linkage 15 and the locking/unlocking mechanism 16 are symmetrically disposed, and the two mechanisms operate simultaneously. The trolley linkage 15 includes a left trolley linkage 151 disposed on the left side of the drive mechanism 12 and a right trolley linkage 152 disposed on the right side of the drive mechanism 12, both trolley linkages moving in opposite directions at the same time. The two pulley link mechanisms respectively comprise a four-bar mechanism 112, one end of the four-bar mechanism 112 is connected with the pulley 111 of the pulley link mechanism 152, the other end of the four-bar mechanism 112 is connected with the corresponding door body, and the four-bar mechanism 112 is driven by the reciprocating linear motion of the pulley 111 along the sliding shaft 14 to move according to a preset track and output a curvilinear motion, so that the door body is driven to correspondingly move to realize a plugging action.
The invention relates to a sliding plug door locking and unlocking device, which is mainly used for enabling a door to be in a locking state after the sliding plug door is closed and preventing the door from being opened by external force; when the door is opened, the locking state is firstly released through the locking and unlocking device, so that the door is in the openable state, and then the door is opened.
Fig. 5 is a schematic structural view of the sliding plug door locking and unlocking device according to the present invention; fig. 6a and 6b are schematic perspective views of a first perspective structure and a second perspective structure of a sliding plug door locking and unlocking device provided by the invention.
In this embodiment, the locking/unlocking device includes: a driving mechanism 12, a locking and unlocking mechanism 16 and a bottom plate 11 for mounting the driving mechanism 12; the driving mechanism 12 is arranged in the middle position and can drive the locking and unlocking mechanisms 16 symmetrically arranged on the left side and the right side to complete unlocking or locking actions when the door is opened or closed; one end of the locking and unlocking mechanism 16 is connected with the driving mechanism 12, the other end of the locking and unlocking mechanism 16 is connected with the rotating upright 1101 of the left door leaf or the right door leaf, when the door is closed, the locking and unlocking mechanism 16 and the driving mechanism 12 act to drive the locking and unlocking mechanism 16 to enter a locking area and enable the door to be in a locking state under the action of the driving mechanism 12 after the door body is closed, and when the door is opened, the locking and unlocking mechanism 16 and the driving mechanism 12 act to enable the locking and unlocking mechanism 16 to leave the locking area, so that the door is in an unlocking state; the locking and unlocking mechanism 16 comprises an unlocking pull rod 161 connected with the driving mechanism 12 and acting with the driving mechanism 12, and a locking and unlocking assembly 162 connected with the unlocking pull rod 161; the locking and unlocking member 162 and the unlocking lever 161 are symmetrically disposed at both sides of the driving mechanism 12.
Wherein, the driving mechanism 12 is arranged at the middle position, the driving mechanism 12 comprises a driving motor 121, and the driving motor 121 is arranged on the bottom plate 11 through a motor bracket 122; the locking and unlocking mechanism further comprises a swinging disk 1211 which is connected with the stator of the motor, is arranged outside the motor and can be driven by the stator to rotate, and protruding connecting lugs 1226 are arranged at the symmetrical 180-degree positions of the swinging disk 1211 and are used for being connected with the unlocking pull rod 161 of the locking and unlocking mechanism 16. The other end of the unlocking lever 161 extends substantially horizontally outward (to the left and right, respectively) and is connected to the locking and unlocking assemblies 162 provided at both ends for driving the locking and unlocking assemblies 162 into and out of the locking position.
The locking and unlocking assembly 162 is symmetrically arranged on the left side and the right side and is used for locking a left door and a right door respectively, wherein the locking and unlocking assembly 162 on the right side is taken as an example to illustrate the structure, the locking and unlocking assembly 162 comprises a locking rotating rod 1616, an unlocking swinging rod 1613 and a guide arm 1619, the fixed end of the locking rotating rod 1616 is hinged and fixed on the bottom plate 11 through a hinge shaft 1617, the free end of the locking rotating rod 1616, namely the connecting plate, is rotatably connected with the other end of the right unlocking pull rod 161 through a connecting shaft 1612, the unlocking swinging rod 1613 is rotatably connected with the connecting shaft 1612 relatively, the free end of the guide arm 1619 is rotatably connected with the other end of the unlocking swinging rod 1613 relatively, and the fixed end of the guide arm 1619 is connected with the rotating upright 1101 and can rotate relatively around the rotating upright 1101.
the locking and unlocking assembly 162 further includes a guide wheel 1618 disposed on the guide arm 1619 and moving along a certain track, the guide wheel 1618 slides in a door slot on the door body (not shown in the structure diagram of the door slot), as shown in fig. 4 and 5, the approximate position of the guide wheel 1618 can be indicated in the figure, and the opening position of the door slot can also be indicated, and the guide wheel slot 1618 formed on the door slot is a linear slot along the width direction of the door body to provide a guide for the rotation direction of the guide arm 1619.
Referring to fig. 5, 6a and 6b, taking the right locking and unlocking mechanism 16 as an example for illustration, the locking and unlocking mechanism 16 is connected to the swing disc 1211 through the right unlocking pull rod 161, the other end of the right unlocking pull rod 161 is connected to the locking and unlocking assembly 162, specifically, the connection plate 1610 connected to the locking rotating rod 1616, the unlocking swinging rod 1613 and the guide arm 1619, the right unlocking pull rod 161 is used for driving the free end of the locking rotating rod 1616 and the unlocking swinging rod 1613 to rotate through a dead point position, at this time, the locking and unlocking assembly 162 enters into a locking position, at this time, the door cannot be opened by any external force, that is, the door enters into a locking state after being closed, and when the unlocking swinging rod 1613 and the locking rotating rod 1616 are reversely driven to disengage from the dead point position, that is, the door is in.
The driving mechanism 12 is arranged at the middle position, the locking and unlocking mechanisms 16 are symmetrically arranged at two sides of the driving mechanism 12 respectively, and meanwhile, the driving mechanism 12 also acts on the pulley connecting rod mechanism 15 to drive the opening and closing of the door. In addition, the symmetrically arranged mechanisms respectively act simultaneously, the same driving source is adopted to drive the two groups of completely identical action mechanisms, good coordination is realized when the door body is driven and unlocked, the door bodies can act coordinately and synchronously, and compared with a mode that the door bodies are respectively driven by the output of one group of rod mechanisms at different rod positions, the structure provided by the invention can overcome the defects of inconsistent action and uneven stress on the two door bodies.
Fig. 3 and 9 are schematic structural views of the driving mechanism provided in the present invention; the driving mechanism 12 includes a driving motor 121, a motor bracket 122, a reversing wheel 123, a pulley 126, a belt 125, and a belt clamping plate 124 disposed on the belt 125. The driving motor 121 is also used to drive the pulley linkage 15 and drive the door to open and close, wherein the reversing wheel, the belt pulley, the belt and the belt clamp plate are devices for driving the sliding plug door to open and close, which is not related to the present invention and will not be described herein. The driving motor 121 is fixed on the motor bracket 122, and the motor bracket 122 is fixed on the bottom plate 11, it should be noted that the stator of the driving motor in the present invention is in a free state, that is, the stator of the driving motor has a degree of freedom of rotation around the motor shaft, and when the driving force of the rotor rotation is smaller than the resistance, the stator can rotate reversely; when the door is opened, the driving motor rotates anticlockwise, the locking resistance is larger than the output power of the motor because the door is in a locking state, the stator of the driving motor starts to rotate clockwise in a reverse direction, the swing disc 1211 connected with the stator rotates along with the stator, the unlocking pull rod 161 is driven to move towards two sides, the locking and unlocking assembly 162 is separated from a locking position, and therefore the locking resistance is eliminated, and after the resistance is eliminated, the motor rotor rotates anticlockwise to achieve the purpose of opening the door; on the contrary, when the door is closed, the driving motor rotates clockwise, because the door is in the unlocking state, when the motor drives the door to enter the locking area, and the locking resistance is greater than the motor power, the stator of the driving motor 121 and the swing disc 1211 rotate counterclockwise, so as to drive the unlocking pull rod 161 to move towards the middle, so that the locking and unlocking assembly enters the locking position, and the door is closed and enters the locking state.
Referring to fig. 4, it is a schematic structural diagram of the driving mechanism 12 and the rotating column 1101 according to the present invention; the bottom plate 11 is disposed above the rotating column 1101, and the inside and outside door leaves are provided with the inside unlocking switch 5 and the outside unlocking switch 6. The locking and unlocking mechanisms 16 are arranged on two sides of the driving motor 121 and are symmetrical along the center of the driving motor 121, so that when the driving motor rotates, the locking and unlocking mechanisms 16 can be driven to act accurately at the same time.
Referring to fig. 6a, one end of the unlocking lever 161 is connected to the connecting lug 1226 of the swing disk 1211 disposed on the stator of the driving motor 121, an arc-shaped hooking end 1611 is disposed at the end of the unlocking lever 161, and the hooking end 1611 is connected to the swing disk 1211, and the arc-shaped hooking end 1611 is adapted to the arc shape of the outer wall of the motor, so as to swing smoothly with the driving motor.
Referring to fig. 6a, the locking rotating rod 1616 is rotatably connected 1162 and the unlocking swing rod 1613 through a connecting shaft 1612, and the locking rotating rod 1616 is disposed on the base plate 11 and can rotate relatively around the base plate 11. In this embodiment, the fixed end of the locking rotating rod 1616 is a U-shaped member, which includes two flat plates 1620 inserted into the upper and lower surfaces of the bottom plate 11 and hinged to the bottom plate 11 through a hinge shaft 1617; the other end of the connecting shaft 1612 is a free end, the free end is a connecting plate 1610 which extends reversely from the bottom end of the U-shaped part and two flat plates of the U-shaped part and is arranged in parallel, the connecting plate 1610 is rotatably connected with the unlocking pull rod 161 and the unlocking swing rod 1613 through a connecting shaft 1612, namely the upper end and the lower end of the connecting shaft 1612 are respectively connected with the unlocking swing rod 1613 and the unlocking pull rod 161, and the middle part of the connecting shaft 1612 is connected with the locking rotating rod 1616 without interference.
Referring to fig. 6a and 6b, a limiting member 1214 is disposed on the motor bracket outside the wobble plate 1211, and is used to limit the wobble plate 1211 from rotating counterclockwise and stop the wobble plate 1211 outside the motor stator at the position when the motor stator drives the wobble plate 1211 to rotate counterclockwise to the locked position. A thrust copper pad 1210 is arranged on the end face of the swing disc 1211, and when the thrust copper pad 1210 rotates clockwise along with the swing disc 1211 and the locking and unlocking assembly 1613 is separated from a locking area, the thrust copper pad 1210 is inducted with a corresponding induction switch; a switch frame 1212 is arranged near the driving motor 121 through the motor bracket, a lock-in-place switch 1213 is arranged on the switch frame 1212, the swing disc 1211 drives the unlocking swing rod 1613 to rotate counterclockwise, when the lock-in position is reached, the thrust copper pad 1210 on the corresponding swing disc 1211 is separated from the trigger wheel of the lock-in-place switch 1213, and the lock-in-place switch 1213 sends information of entering a lock-out state to the electric appliance control assembly 18, thereby controlling the motor to stop; when the unlocking swing rod 1613 rotates clockwise to enter an unlocking area, the thrust copper pad 1210 keeps contact with the lock-in-place switch 1213 all the time, and the driving motor keeps a power-on state.
As shown in fig. 6a and 6b, the guide arm 1619 is connected to the rotary pillar 1101, and accordingly, in the door body mounting structure, the rotary pillar 1101 is supported by the pillar support 1102, and the rotary pillar 1101 can rotate around the pillar support 1102. The pillar brace 1102 is provided with a structure connected to the vehicle body.
Referring to fig. 6a and 6b, further, a tension spring 1614 is disposed on the connecting shaft 1612 connecting the unlocking swing rods 1613 and 1162 and the locking rotary rod 1616, one end of the tension spring 1614 is connected to a pull tab disposed at an end of the connecting shaft 1612, the other end is connected to a spring pull plate 1615, the spring pull plate 1615 is fixed on the bottom plate 11, and when the unlocking pull rod 161 is in the locking position, the locking and unlocking assembly 162 is maintained at the dead point position, that is, at the locking position by the preset tension of the tension spring 1614; when the unlocking swing rod 1613 needs to be pulled for unlocking, the tension spring 1614 can also stretch, so that the unlocking swing rod 1613 breaks through a dead point. In this embodiment, the spring pulling plate 1615 is a Z-shaped plate, one horizontal segment of which is connected to the bottom plate 11, and the other horizontal segment of which is connected to the spring 1614, and the connection method can be selected from the methods commonly used by those skilled in the art, such as the screw connection method shown in the figure.
fig. 7 is a schematic view of the locking/unlocking mechanism 16 in the door-open state according to the present invention; when the train is closed, after a door closing signal of the train is received, the driving motor 121 rotates clockwise, the belt 125 drives the left and right door leaves to move towards the central door closing direction, and under the action of the driving guide rail, the pulley link mechanisms respectively pull the door leaves towards the train direction. When the right door leaf moves to the locking area a and the left door leaf moves to the locking area B, the resistance of the locking and unlocking mechanism is greater than the motor power of the driving motor 121, the motor stator rotates counterclockwise to drive the swing disc 1211 to rotate simultaneously, at this time, the two unlocking pull rods 161 move towards the center simultaneously, the unlocking pull rods 161 are pulled over the dead point position, that is, the unlocking swing rod 1613 and the locking swing rod 1616 are located at the position of the same straight line a, at the same time, the unlocking swing rod 1613 drives the guide arm 1619 to move synchronously, the unlocking swing rod 1613 enters the locking area, at this time, the anti-thrust copper pad 1210 arranged on the swing disc 1121 triggers the lock-in-place switch 1213, that is, after the limit is reached, the motor stop signal is sent, and.
Fig. 8 is a schematic view of a locking/unlocking mechanism in a door closing state according to the present invention; when the door is opened, when a door opening signal of a train is received, the rotor of the driving motor 121 rotates anticlockwise, but the locking resistance of the locking and unlocking mechanism is larger than the output power of the driving motor 121, the swing disc 1211 on the stator of the driving motor 121 starts to rotate clockwise, the unlocking pull rod 161 moves towards two sides under the driving of the swing disc 1211, the unlocking swing rod 1613 is pushed through the locking dead point position and is pushed out of the locking area A, the door opening resistance is reduced after the locking area A leaves, the output shaft of the driving motor rotates anticlockwise, the pulley connecting rod mechanism is driven by the belt 125 to open the left door leaf and the right door leaf, and the door opening action is completed.
The two symmetrically arranged locking and unlocking rod assemblies 162 and the symmetrically arranged unlocking pull rods 161 are adopted, the lengths of the unlocking pull rods and the unlocking swing rods are shorter, compared with the situation that only one group of pull rods and swing rods are adopted, the length of the two symmetrically arranged unlocking pull rods is shorter, the stroke is shorter during rotation, therefore, the action speed is high, the action is accurate, the distances from the two symmetrically arranged unlocking pull rods to the door leaf are the same, time sequence deviation cannot be caused, and the door closing and opening actions are accurate. Meanwhile, a guide rotating wheel and a guide arm are arranged at the free end of the guide arm, and the door body provides guide by taking the rotating upright post as a reference.
Referring to fig. 6a and 6b, the locking and unlocking device of the present invention further includes a manual unlocking mechanism connected to the driving mechanism 12 and acting on the driving mechanism 12 for manual unlocking of the sliding plug door.
The hand unlocking mechanism of the present embodiment includes a hand unlocking rod 1601, a hand unlocking swing rod 1602 and an unlocking rope 1611, wherein the hand unlocking rod 1601 is connected to a swing disc 1211 and is used for the hand to drive the swing disc 1211 to rotate clockwise, so as to disengage the locking and unlocking assembly 162 of the locking and unlocking mechanism 16 from a locking state and enter an unlocking state; in this embodiment, the hand-release rod 1601 and the unlocking rod 161 are both rotatably connected to the wobble plate via a wobble plate connecting shaft 1622, and the wobble plate connecting shaft 1622 is rotatably fixed to two symmetrically-arranged connecting lugs of the wobble plate on the motor stator, and the steering force is transmitted via the wobble plate connecting shaft 1622. One end of the unlocking rope 1611 is connected with the hand unlocking swing rod 1602, and the other end is connected with the inner unlocking switch 5 and the outer unlocking switch 6; the handle release lever 1602 and the handle release lever 1601 are used for being pulled.
One end of the hand release pull rod 1601 is connected with a hand release swing rod 1602, and drives the hand release swing rod 1602 to swing, the hand release swing rod 1602 is arranged on a swing rod support 1606, the swing rod support 1606 is fixed on the bottom plate 11, wherein the swing rod support 1606 comprises a fixed plate for being fixed with the bottom plate 11 and two side walls which are perpendicular to and connected with two sides of the fixed plate into a whole, two side walls of the swing rod support 1602 are provided with rotating shafts 1607, the rotating shafts 1607 are arranged in a flat shape with a motor rotating shaft, and the hand release swing rod 1602 is arranged between the two side walls through the rotating shaft 1607, so that the hand release swing rod 1602 can rotate around the rotating shaft 1607; the manual unlocking swing rod 1602 comprises a swing rod 16021 extending upwards and a trigger rod 16022 connected with the swing rod 16021 into a whole, the upper end of the swing rod 16021 is provided with a notch groove 1603 for the unlocking rope 1611 to pass through and be connected with, the manual unlocking pull rod 1601 is connected with the upper end of the swing rod 16021, and the other end of the manual unlocking pull rod 1601 is connected with the swing disk 1211 in a relatively rotatable manner through a swing disk connecting shaft 1622.
the stringing frame 1604 is disposed on a side of the hand-releasing swing rod 1602 opposite to the hand-releasing pull rod 1601, in this embodiment, the stringing frame 1604 is a vertical plate disposed vertically, and the vertical plate is connected with a bottom fixing plate of the swing rod support 1606 as a whole and disposed vertically to two side walls; a rope penetrating pipe 1605 is arranged at the upper end of the rope penetrating frame 1604, an unlocking rope 1611 sequentially penetrates through the rope penetrating pipe 1605 to be fixed with a notch groove 1603 at the upper end of the swinging rod 16021, the other end of the unlocking rope 1611 is respectively connected with the inner unlocking switch 5 and the outer unlocking switch 6, the unlocking rope 1611 is pulled through the unlocking switch, then the manual unlocking rod 1602 is pulled through the unlocking rope 1611 to rotate around the rotating shaft 1607, the manual unlocking rod 1602 drives the manual unlocking rod 1601 to further drive the swinging disc 1211 to rotate, so that the left unlocking rod 161 and the right unlocking rod 161 are respectively driven to move towards the left side and the right side to drive the locking and unlocking assembly 162 to rotate, the locking rotating rod 1616 and the unlocking rod 1613 are separated from a locking position, and manual unlocking is achieved. The manual unlocking mechanism provided by the invention realizes unlocking through the manual unlocking mechanism when an accident occurs, so that the sliding plug door can be manually opened, namely, the unlocking and door opening actions can still be realized when the electrical appliance fails. The rotary shaft 1607 of the present embodiment is disposed inside the swing link bracket 1606, the swing link bracket 1606 is a frame, that is, as mentioned above, the frame is composed of a fixed plate and two side walls, the rotary shaft 1607 is disposed inside the frame, the rotary shaft 1607 is disposed parallel to the motor shaft, so that the manual release swing link 1602 can rotate around the rotary shaft 1607, and the arc length of the end swing is used to pull the manual release lever 1601 for operation; a lateral position-limiting post 1610 is disposed on a side wall of the swing link bracket 1606 to limit the position of the manual unlocking swing link 1602, and an elastic element 1608, which is a spring in this embodiment, is disposed on the rotation shaft 1607 to keep the manual unlocking swing link 1602 abutting against the position-limiting post 1610 and keep the locking/unlocking mechanism in a locked state when no external force is applied to the manual unlocking swing link 1602.
when the internal unlocking switch 5 or the external unlocking switch 6 is activated, the manual unlocking pendulum 1602 can be pulled by the unlocking rope 1611 to leave the limit post 1610, the manual unlocking rod 1601 and the pendulum 1211 are driven to rotate, and the locking and unlocking mechanism is started to operate, so that unlocking is realized, and after unlocking, the manual unlocking pendulum 1602 can be reset to the locking position under the action of the elastic element 1608, namely, the spring. The hand unlocking mechanism further comprises a sensor 1609, which is used for acting with the trigger rod 16022 of the hand unlocking swing rod 1602, and when the hand unlocking swing rod 1602 drives the hand unlocking pull rod 1601, the swing disc, the unlocking pull rod 161, the unlocking swing rod 1613, the locking rotating rod 1616 and the rotating arm 1619 to rotate to complete the unlocking action, the trigger rod 16022 triggers the sensor 1609 to act.
so far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (16)
1. A sliding plug door locking and unlocking device, comprising: a drive mechanism, a locking and unlocking mechanism, and a base plate for providing a mounting surface, wherein,
The driving mechanism is arranged in the middle, and the locking and unlocking mechanisms are arranged on the two sides of the driving mechanism in a bilateral symmetry manner;
One end of the locking and unlocking mechanism is connected with the driving mechanism, the other end of the locking and unlocking mechanism is connected with the rotating upright post of the left door leaf or the right door leaf, when the door is closed, the driving mechanism and the locking and unlocking mechanism act to drive the locking and unlocking mechanism to enter the locking area and enable the door to be in a locking state under the action of the driving mechanism after the door body reaches a closed position, and when the door is opened, the driving mechanism and the locking and unlocking mechanism act to enable the locking and unlocking mechanism to leave the locking and unlocking area, so that the door is in an unlocking state;
The locking and unlocking mechanism comprises two symmetrical locking and unlocking components arranged between a rotating upright post and a bottom plate of the left door leaf or the right door leaf and two unlocking pull rods which are connected with the driving mechanism in a bilateral symmetry mode and are used for switching the locking and unlocking components between a locking state and an unlocking state under the action of the locking and unlocking components.
2. a plug door locking and unlocking device according to claim 1, wherein said drive mechanism includes a drive motor for simultaneously driving the plug door to open and close, a stator of the drive motor being rotatable in a reverse direction when the rotor is prevented from rotating by resistance, the stator of the drive motor being connected to said locking and unlocking mechanism and being capable of interacting with the locking and unlocking mechanism to operate;
And a swinging disc rotating along with the stator of the driving motor is arranged on the stator of the driving motor, and one end of the unlocking pull rod is connected with the swinging disc and used for acting with the driving motor.
3. the plug pull door latching and unlatching apparatus according to claim 2, wherein said latching and unlatching assembly includes a latching turn lever, an unlatching swing lever and a guide arm; the fixed end of the locking rotating rod is hinged and fixed on the bottom plate through a hinge shaft, and the free end of the locking rotating rod is provided with a rotatable connecting shaft; the locking rotating rod is rotatably connected with the other end of the unlocking pull rod through the connecting shaft and is relatively rotatably connected with one end of the unlocking swing rod; the free end of guide arm with the other end of unblock pendulum rod can be pivoted relatively is connected, the stiff end of guide arm with rotatory stand is connected and can rotate relatively around rotatory stand.
4. The plug latch unlocking apparatus according to claim 3, wherein said locking and unlocking assembly further comprises a guide wheel provided on said guide arm and orbiting along a track, said guide wheel sliding in a door slot provided on said door body.
5. The plug pull door locking and unlocking device according to claim 3, wherein said locking and unlocking assembly further comprises a stopper for restricting counterclockwise rotation of said wobble plate when said locking and unlocking assembly is brought into the locking position, said stopper being provided on a motor bracket for mounting a driving motor.
6. A plug latch release according to any of claims 3 to 5, in which the latch release mechanism comprises a tension spring; one end of the tension spring is connected with the connecting shaft, the other end of the tension spring is fixed on the bottom plate, and the tension spring can stop or keep the locking and unlocking assembly at a locking area position.
7. A plug latch unlocking device according to any of claims 3 to 5, wherein said unlocking lever end is provided with an arc-shaped hooking end, which is connected to said wobble plate.
8. A plug pull door unlocking device according to any one of claims 3 to 7, wherein said locking turn bar comprises a fixed end in the form of a U-shaped frame, and a connecting plate integrally connected to said U-shaped fixed end and provided at a free end; the U-shaped fixed end is spliced with the bottom plate and is rotatably connected with the bottom plate through a hinged shaft, and the connecting shaft is rotatably arranged on the connecting plate; the connecting plate is rotatably connected with the unlocking pull rod and the unlocking swing rod through a connecting shaft.
9. the plug latch unlocking apparatus according to claim 6 wherein a spring pulling plate is provided between the spring and the base plate, the spring pulling plate being a Z-shaped plate, one horizontal section of which is connected to the base plate and the other horizontal section of which is connected to the tension spring.
10. A plug door locking and unlocking device according to any one of claims 3 to 9, further comprising a manual unlocking mechanism connected to and acting on said drive mechanism for manually disengaging the plug door from the locked condition to the unlocked condition.
11. The plug latch unlocking apparatus according to claim 10, wherein said hand unlocking mechanism comprises a hand unlocking lever, a hand unlocking lever and an unlocking cord, wherein one end of said hand unlocking lever is connected to a wobble plate outside a stator of said driving motor and interacts with the driving motor; the other end of the hand release pull rod is connected with the hand release swing rod, and the hand release swing rod can be arranged on the swing rod bracket in a swinging mode; the other end of the unlocking rope and the other end of the hand unlocking pull rod are respectively connected with the hand unlocking swing rod from two sides.
12. the plug door apparatus according to claim 11, wherein the swing link bracket is fixed to the base plate, a rotary shaft is provided on the swing link bracket, and the manual release swing link is rotatably fixed to the swing link bracket through the rotary shaft; the manual unlocking swing rod comprises an upward extending swing rod and a trigger rod connected with the swing rod into a whole, a notch groove is formed in the upper end of the swing rod and used for an unlocking rope to penetrate through, and the manual unlocking pull rod is connected with the upper end of the swing rod.
13. The plug door device according to claim 11 or 12, wherein the hand unlocking mechanism further comprises a rope threading frame, the rope threading frame is arranged on the side of the hand unlocking swing rod opposite to the hand unlocking pull rod, a rope threading pipe is arranged at the upper end of the rope threading frame, and the unlocking rope sequentially passes through the hand unlocking swing rod and the rope threading pipe to be connected with an inner unlocking switch arranged in the carriage and/or an outer unlocking switch arranged outside the carriage.
14. The plug door apparatus according to claim 13, wherein a lateral restraining post is provided on a side wall of the rocker arm bracket; an elastic element is arranged on the rotating shaft, so that the hand unlocking swing rod keeps abutting against the position of the limiting column when not pulled, and the locking and unlocking mechanism is in a locking state.
15. The plug door device according to claim 5, wherein a thrust copper pad is provided on an end surface of the wobble plate for triggering the lock-in-place switch when the wobble plate rotates to the lock position, thereby controlling the driving motor to stop; the lock in-place switch is erected on the periphery of the wobble plate through a switch arranged on the motor support and acts with the thrust copper pad.
16. Plug door device according to one of claims 11 to 14, characterized in that the wobble plate has two coupling lugs at 180 ° of symmetry, on which a rotatable wobble plate coupling shaft is arranged, and the manual release lever and the release lever are both rotatably coupled to the wobble plate via the wobble plate coupling shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810547188.XA CN110552557A (en) | 2018-05-31 | 2018-05-31 | Locking and unlocking device for sliding plug door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810547188.XA CN110552557A (en) | 2018-05-31 | 2018-05-31 | Locking and unlocking device for sliding plug door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110552557A true CN110552557A (en) | 2019-12-10 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810547188.XA Pending CN110552557A (en) | 2018-05-31 | 2018-05-31 | Locking and unlocking device for sliding plug door |
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| CN (1) | CN110552557A (en) |
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