阅读说明：本技术 塞拉门 (Stopping sliding door ) 是由 吕思华 郑善友 于 2019-09-29 设计创作，主要内容包括：本发明涉及塞拉门锁领域,公开了一种塞拉门,关闭门板时,驱动电机驱动丝杠正转,丝杠螺母沿丝杠直线移动,带动套筒沿滑杆和携门架底部的门板直线移动,当套筒移动到与门锁离合装置接触时,驱动门锁离合装置将与丝杠同轴固定的待上锁停止器卡紧上锁,实现将门板关闭上锁；打开门板时,驱动电机驱动门锁离合装置与待上锁停止器分离,分离后的待上锁停止器在驱动电机的继续驱动下反转,带动丝杠反转,丝杠螺母沿丝杠反向直线移动,进而套筒带动携门架反向移动,套筒反向移动到与门锁离合机构分离时,门锁离合机构恢复到初始状态。本塞拉门中门锁的上锁和解锁以及门板的开合共用一个驱动电机,避免车门在颠簸运行中自动打开,车门密闭性良好。(The present invention relates to stopping sliding doors to lock field, disclose a kind of stopping sliding door, when closing door-plate, driving motor drives lead screw to rotate forward, feed screw nut moves linearly along lead screw, with moving sleeve along slide bar and the door-plate linear movement for taking door frame bottom, when sleeve, which is moved to, to be contacted with door lock clutch device, it drives door lock clutch device that will lock with the co-axially fixed stopper clamping to be locked of lead screw, realizes to close on door-plate and lock；When opening door-plate, driving motor driving door lock clutch device is separated with stopper to be locked, stopper to be locked after separation continues to invert under driving in driving motor, drive lead screw reversion, feed screw nut is moved along lead screw reverse linear, and then door frame reverse movement is taken in sleeve drive, sleeve is moved backward to when separating with door lock clutch mechanism, and door lock clutch mechanism returns to original state.The folding of the lock and unlock and door-plate of door lock shares a driving motor in this stopping sliding door, avoids car door from automatically opening in operation of jolting, car door airtightness is good.)

1. a kind of stopping sliding door, which is characterized in that including door lock clutch device, driving motor, lead screw, feed screw nut, guide rail, at least One most two door-plate and equal with the door-plate quantity and matching used take door frame and slide bar, the both ends of the slide bar The pallet two sides that are fixed on above the stopping sliding door and the lower section for being positioned horizontally in the lead screw, one end of the lead screw and the support The side of disk is rotatablely connected, and the other end is coaxially fixed with stopper to be locked, and the lead screw is being positioned horizontally in the door-plate just Top；

If the door-plate is one, the top for taking door frame is fixedly connected with the feed screw nut, and middle part passes through sleeve set It is located on the slide bar, bottom is fixedly connected with the door-plate；

If the door-plate is two, the stopping sliding door further includes door-plate synchronizing device, and first takes the top of door frame and the silk Thick stick nut is fixedly connected, and middle part is set on the first slide bar by first sleeve, and bottom is fixedly connected with the first door-plate；Second takes The top of door frame is set on the second slide bar by second sleeve, and bottom end is fixedly connected with the second door-plate；The synchronous dress of the door-plate It sets for controlling first door-plate and the second door-plate synchronous on-off；

The feed screw nut is connect with the threads of lead screw, the first sleeve and be fixed between the guide rail on vehicle frame lead to It crosses guide wheel and rolls connection；The driving motor and the door lock clutch device are each attached on the pallet, the door lock clutch Device is used for when the driving motor drives the door-plate or first door-plate and second door-plate to close or open, will The door-plate or the locking of first door-plate and second door-plate or unlock.

2. stopping sliding door according to claim 1, which is characterized in that include being arranged in the support in the door lock clutch device Mechanism for locking up and unlocking mechanism on disk, the driving motor are used to drive the door-plate or first door-plate and described the While two door-plates close or open, drives the mechanism for locking up to lock or drive the unlocking mechanism by the mechanism for locking up solution Lock.

3. stopping sliding door according to claim 2, which is characterized in that include clamping assembly, locking company in the mechanism for locking up Dynamic component and locking driving assembly, in the clamping assembly, the middle part of clamping block and the pallet are rotatablely connected, top with it is described Stopper clamping or separation to be locked, bottom, which is located in the locking linked component, stirs pin lower part or top；The locking One end of poke rod in linked component is connected with the active block in the locking driving assembly, the side of the active block and institute Pallet rotation connection is stated, the other side is located at the side of the sleeve or the first sleeve；In door-plate closure, the set Cylinder or the first sleeve can drive it to turn around the pallet close to one end of the active block by squeezing the active block It is dynamic；

The driving motor is used for driving while driving the door-plate or first door-plate and second door-plate is opened The unlocking mechanism separates the clamping block with the stopper to be locked.

4. stopping sliding door according to claim 3, which is characterized in that the clamping assembly includes clamping block and the first elasticity The both ends of part, first elastic component are fixedly connected with the top of the clamping block and the pallet respectively, and the clamping block Middle part and pallet rotation connection tie point be located at first elastic component where except straight line.

5. stopping sliding door according to claim 4, which is characterized in that first elastic component is tension spring.

6. stopping sliding door according to any one of claim 3 to 5, which is characterized in that the lower rotation of the clamping block connects It is connected to transition block, the shaft of the transition block is arranged in parallel with the pin of stirring, and the transition block stirs pin positioned at described Top or lower part.

7. stopping sliding door according to claim 3, which is characterized in that include poke rod in the locking linked component, stir Pin, loop bar and linked block, the bottom end of the poke rod are connected with the active block, and top is rotatably connected on the pallet；Institute State the first limit hole for offering on poke rod and being limited to one end of the loop bar, one end of the loop bar is located at described the In one limit hole, the other end is fixedly connected with the linked block；One end of the linked block is rotatably connected on the pallet, separately Pin connection is stirred with described in one end.

8. stopping sliding door according to claim 3, which is characterized in that include active block and second in the locking driving assembly Elastic component, the active block are rotatablely connected by shaft and the pallet, and one end of second elastic component and the shaft are solid Fixed, the other end is fixed with the active block；When door-plate closure, the sleeve or the first sleeve are close to the active One end of block can drive the active block to rotate around the pallet by squeezing the active block.

9. stopping sliding door according to claim 8, which is characterized in that further include active block guiding in the locking driving assembly Part, the guide part and the active block are rotatablely connected, and when door-plate closure, the sleeve or the first sleeve are close One end of the active block is effectively contacted with the guide part.

10. stopping sliding door according to claim 9, which is characterized in that the guide part is to be rotatablely connected with the active block Idler wheel.

11. the stopping sliding door according to any one of claim 8 to 10, which is characterized in that offered in the active block pair The bottom end of the second limit hole that the poke rod is limited, the poke rod is located in second limit hole.

12. the stopping sliding door according to any one of claim 8 to 10, which is characterized in that second elastic component is torsional spring, The ontology of the torsional spring is arranged and is fixed in the shaft, and the other end is fixedly connected with the active block.

13. stopping sliding door according to claim 2, which is characterized in that include spiral-linear axis in the unlock linked component Set and guide shaft, the spiral-straight line axle sleeve one end are coaxially arranged or are embedded on the output shaft of the driving motor, the other end It is coaxially arranged or is embedded on the guide shaft, the guide shaft is coaxially fixed with the stopper to be locked；The guide shaft, it is described to Locking stopper, the output shaft of the driving motor and the spiral-straight line axle sleeve are coaxially disposed, and the driving motor is used In when driving the door-plate or first door-plate and second door-plate to close or open, the spiral-linear axis is driven Set makees reciprocating linear or screw along its axis.

14. stopping sliding door according to claim 13, which is characterized in that the spiral-straight line axle sleeve is hollow cylinder knot Structure, one end inner wall have helical tooth A 32, and other end inner wall has circle distribution and several rib A with its axis parallel 33；The output shaft outer wall of the driving motor is equipped with the screw key A cooperated with the helical tooth A 32 or rib A 33 34 or spline A 35, the guide shaft outer wall have the spline B 36 or spiral shell cooperated with the rib A 33 or helical tooth A 32 Revolve key B 37；The spiral-linear axis tackling has one end of the helical tooth A 32 to be set in the screw key A 34 or spiral On key B 37, one end with the rib A 33 is set on the spline A 35 or spline B 36.

15. stopping sliding door according to claim 13, which is characterized in that the spiral-straight line axle sleeve is solid axle construction, One end outer wall has screw key A 34, and other end outer wall has circle distribution and several spline A 35 with its axis parallel； The output shaft inner wall of the driving motor is equipped with the helical tooth A 32 cooperated with the screw key A 34 or spline A 35 Or rib A 33, the inner wall of the guide shaft have the rib B 38 or spiral shell that cooperate with the spline A 35 or screw key A 34 Revolve tooth B 39；The spiral-linear axis tackling has one end of the screw key A 34 to be nested in the helical tooth A 32 or described In helical tooth B 39, one end with the spline A 35 is nested in the rib A 33 or rib B 38.

16. stopping sliding door according to claim 13, which is characterized in that the spiral-straight line axle sleeve one end is hollow circle Column structure, the other end are solid axle construction, and one end inner wall with hollow cylinder structure has helical tooth A 32 or circumference Distribution and several rib A 33 with its axis parallel, one end with solid axle construction have spline A 35 or screw key A 34；

The outer wall of the output shaft of the driving motor is equipped with the spiral cooperated with the helical tooth A 32 or rib A 33 Key B 37 or spline B 36 has the rib B 38 cooperated with the spline A 35 or screw key A 34 on the inner wall of the guide shaft Or helical tooth B 39；There is the spiral-linear axis set one end of hollow structure to be sheathed on the output shaft for driving the motor On, one end with solid axle construction is nested in the guide shaft；

Or the inner wall of the output shaft of the driving motor is equipped with the rib C cooperated with the spline A 35 or screw key A 34 40 or helical tooth C 42；The guide shaft outer wall has and the helical tooth A 32 or rib A 33 screw key C 41 cooperated or flower Key C 43；There is the spiral-linear axis set one end of hollow structure to be nested in the output shaft for driving the motor, have One end of solid axle construction is sheathed on the guide shaft.

17. stopping sliding door described in any one of 3 to 16 according to claim 1, which is characterized in that in the spiral-straight line axle sleeve The first bolster is arranged between the output shaft of the driving motor, and/or, it is led in the spiral-straight line axle sleeve with described The second bolster is arranged between axis.

18. stopping sliding door according to claim 17, which is characterized in that first bolster and/or the second bolster are Spring.

19. stopping sliding door described in any one of 3 to 17 according to claim 1, which is characterized in that include dialling in the shifting component Bar and third elastic component, the middle part of the driving lever and the pallet are rotatablely connected, and front end is free end, end and the spiral- The rotation connection of straight line axle sleeve；The both ends of the third elastic component are fixedly connected with the front end of the driving lever and the pallet respectively, And the tie point of the middle part of the driving lever and pallet rotation connection is located at except the straight line of the third elastic component place.

20. stopping sliding door according to claim 19, which is characterized in that the third elastic component is tension spring.

21. stopping sliding door according to any one of claim 3 to 5, which is characterized in that the stopper to be locked is spine The top of wheel, the clamping block has pawl；When the pawl is engaged with the ratchet, the clamping block and described to upper locking Only device is stuck, and when the pawl is separated with the ratchet, the clamping block is separated with the stopper to be locked.

22. stopping sliding door according to any one of claim 1 to 5, which is characterized in that the synchronizing device includes first sliding Wheel, second pulley and wirerope, the first pulley and the second pulley are rotatably connected on the pallet two sides respectively, described The drive end of wirerope is taken door frame with described first and is fixedly connected, and Partner successively bypasses the first pulley and described second and slides It takes door frame with described second after wheel to be fixedly connected, and described first takes door frame and described second and take door frame and be located at described first The two sides of straight line where pulley and the second pulley.

23. stopping sliding door according to any one of claim 1 to 5, which is characterized in that also set up in the bottom of the door-plate Have by rotating block, the first directive wheel and the second guide wheel group at door-plate guiding mechanism, one end of the rotating block passes through fixation Block, which horizontally rotates, to be connected on the vehicle frame, and first directive wheel and second directive wheel pass through shaft respectively and rotate vertically It is connected on the upper surface of the rotating block, first directive wheel is located in the bottom guide groove of the door-plate, and described second leads It is located at outside the bottom guide groove to wheel.

24. stopping sliding door according to claim 23, which is characterized in that in the door-plate close to the bottom sides of the vehicle frame Arc guide barrel is additionally provided at edge, when the door-plate is closed, second directive wheel is located in the arc guide barrel；When described When door-plate is opened, second directive wheel is located at outside the arc guide barrel.

Technical field

The present invention relates to stopping sliding doors to lock field, in particular to a kind of stopping sliding door.

Background technique

Currently, bus door, subway door or high iron gate are usually using stopping sliding door, stopping sliding door closure is good, occupied space Few, so that whole vehicle is beautiful and generous, the superiority and inferiority of the door lock of stopping sliding door directly influences the safety and closure of stopping sliding door, is The safety of stopping sliding door is improved, the object of research is mainly placed in the structure of stopping sliding door lock by the researcher in field.

Stopping sliding door lock construction used at present is usually in closing of the door, by a guide rail on vehicle frame, by door lock On a guide wheel import in the guide rail, the movement of door lock is limited by this guide rail, and door lock is fixed on car door, in this way With regard to limiting the movement of car door, to achieve the purpose that lock a door.But there is very big security risk in this door latch structure, because of vehicle In the process of moving, the rugged situation in road surface occurs now and then, and the guide wheel on door lock can roll around in guide rail, in this way It is poor to will lead to car door closure, air-flow can influence passenger and experience by bus from crack between a door and its frame into the car in high-speed cruising；Vibration The phenomenon that even will appear guide wheel when larger backtracking skids off out of guide rail, results in car door that can be automatically switched in this way, deposit In very big security risk.

Although there are also some stopping sliding doors locks can be avoided the problem of car door automatically opens when vibration is jolted, usual vehicle The folding of door and the locking of door lock and unlock are respectively necessary for a driving mechanism, i.e., a whole set of car door needs at least two sets driving electricity Machine, it is a set of to lock lock and unlock for driving gate, it is another set of for driving the folding of car door, undoubtedly increase cost, and car door Structure is complicated.

Summary of the invention

Goal of the invention: aiming at the problems existing in the prior art, the present invention provides a kind of stopping sliding door, the locking of door lock with open The opening and closing of lock and car door share a driving motor, and the door lock of this stopping sliding door can effectively avoid the vehicle after locking Door automatically opens in operation of jolting, and the car door airtightness after locking is good.

Technical solution: the present invention provides a kind of stopping sliding doors, including door lock clutch device, driving motor, lead screw, lead screw spiral shell Mother, guide rail, at least one most two door-plate and equal with the door-plate quantity and matching used take door frame and slide bar, institute The both ends for stating slide bar are fixed on the pallet two sides above the stopping sliding door and are positioned horizontally in the lower section of the lead screw, the lead screw One end and the side of the pallet are rotatablely connected, and the other end is coaxially fixed with stopper to be locked, and the lead screw is positioned horizontally in The surface of the door-plate；If the door-plate is one, the top for taking door frame is fixedly connected with the feed screw nut, in Portion is set on the slide bar by sleeve, and bottom is fixedly connected with the door-plate；If the door-plate is two, the plug is drawn Door further includes door-plate synchronizing device, and the first top for taking door frame is fixedly connected with the feed screw nut, and middle part passes through first sleeve It is set on the first slide bar, bottom is fixedly connected with the first door-plate；Second top for taking door frame is set in by second sleeve On two slide bars, bottom end is fixedly connected with the second door-plate；The door-plate synchronizing device is for controlling first door-plate and described the Two door-plate synchronous on-offs；The feed screw nut is connect with the threads of lead screw, and the first sleeve and is fixed on vehicle frame It is rolled and is connected by guide wheel between the guide rail；The driving motor and the door lock clutch device are each attached to the pallet On, the door lock clutch device is used to drive the door-plate or first door-plate and second door-plate in the driving motor When closing or opening, the door-plate or first door-plate and second door-plate are locked or unlocked.

It further, include the mechanism for locking up and unlocking mechanism being arranged on the pallet in the door lock clutch device, The driving motor is used to drive while driving the door-plate or first door-plate and second door-plate to close or open It moves the mechanism for locking up locking or the unlocking mechanism is driven to unlock the mechanism for locking up.

It further, include clamping assembly, locking linked component and locking driving assembly, the card in the mechanism for locking up In tight component, the middle part of clamping block and the pallet are rotatablely connected, and top and the stopper clamping to be locked or are separated, bottom Pin lower part or top are stirred in the locking linked component；One end of poke rod in the locking linked component and institute The active block linking in locking driving assembly is stated, the side of the active block and the pallet are rotatablely connected, and the other side is located at institute State the side of sleeve or the first sleeve；In door-plate closure, the sleeve or the first sleeve are close to the master One end of motion block can drive it to rotate around the pallet by squeezing the active block；The driving motor is used in driving institute While stating door-plate or first door-plate and second door-plate opening, drive the unlocking mechanism by the clamping block and institute State stopper separation to be locked.When door-plate is from opening state to closed state, driving motor is rotated forward, and drives lead screw to rotate forward, lead screw Nut is moved in a straight line along lead screw, takes door frame, the sleeve on slide bar and door-plate to side movement, when sleeve is mobile to drive To when squeezing the active block in locking driving assembly, active block is squeezed to be rotated along pallet, drives poke rod rotation, and poke rod is dialled Clamping block in dynamic clamping assembly is rotated around pallet, after clamping block rotates to certain angle, upper part and stopper to be locked Stuck locking；When needing to unlock, driving motor be driven reverse unlock linked component drive shifting component by clamping block with to upper Lock stopper separation, later, driving motor continues to invert, drive lead screw rotation, feed screw nut reverse movement, drive take door frame, Sleeve and the door-plate of lower section reverse movement, car door opening.In the present invention, due to wait lock stopper after being clamped block clamping Just can only be clockwise, cannot reverse, so, when clamping block is stuck when on stopper of locking, will not be caused due to vibration etc. to Stopper of locking reverses, and wait lock stopper due to vibration jolts etc. clockwise when can then make this door lock clutch device by door lock It is tighter, so that clamping block can be constantly in stuck state with stopper to be locked；And in practical applications, this door lock clutch dress It sets and is typically mounted on bus door, subway door or high iron gate etc., it is opposing stationary between door, so the clutch of this door lock fills Setting can effectively avoid the car door locked from automatically opening in the process of moving due to vibration；Also just because of above-mentioned original Cause enables the car door equipped with this door lock clutch device preferably to be closed.

Further, the clamping assembly includes clamping block and the first elastic component, the both ends difference of first elastic component It is fixedly connected with the top of the clamping block and the pallet, and the company at the middle part of the clamping block and pallet rotation connection Except straight line where contact is located at first elastic component.In this way design after, when the first elastic component be located at clamping block middle part and When the side of the tie point of pallet rotation connection, clamping block and the stuck locking of stopper to be locked；When the first elastic component is located at card When the other side of the tie point at the middle part and pallet rotation connection of tight block, clamping block separates unlock with stopper to be locked.

Preferably, first elastic component is tension spring.

Further, the lower rotation of the clamping block is connected with transition block, and the shaft of the transition block is stirred with described Pin is arranged in parallel, and the transition block is located at the top or lower part for stirring pin.When clamping block and stopper to be locked are stuck When, transition block, which is located at, stirs above pin, and the first elastic component is located at the one of the middle part of clamping block and the tie point of pallet rotation connection Side；During clamping block and stopper to be locked are from stuck state to discrete state, stir pin can for some time with mistake Block contact is crossed, since transition block and clamping block are rotatablely connected, so be located above transition block after stirring pin and can crossing transition block, At this point, the first elastic component be located at clamping block middle part and pallet rotation connection tie point the other side, force clamping block with to Stopper separation of locking unlocks.

Further, include poke rod in the locking linked component, stir pin, loop bar and linked block, the poke rod Bottom end be connected with the active block, top is rotatably connected on the pallet；It is offered on the poke rod to the loop bar The first limit hole for being limited of one end, one end of the loop bar is located in first limit hole, the other end and the company Motion block is fixedly connected；One end of the linked block is rotatably connected on the pallet, and the other end stirs pin connection with described.Work as door From opening state to closed state, driving motor rotates forward plate, and lead screw is driven to rotate forward, and feed screw nut is moved in a straight line along lead screw, from And it drives and takes door frame, the sleeve on slide bar and door-plate to side movement, when sleeve is moved in extruding locking driving assembly When active block, active block is squeezed to be rotated along pallet, drives poke rod rotation, and then loop bar is driven to rotate together with linked block, even The rotation of motion block, which then drives, stirs pin rotation, stirs the transition block that pin turns to below certain position Shi Huiyu clamping block and contacts, Transition block then drives clamping block to rotate around pallet positive direction, the rotation of clamping block so that the first elastic component from far from gradually to close The side of stopper to be locked rotates, when clamping block rotation so that straight line where the first elastic component cross clamping block and pallet it Between tie point when, clamping block can be stuck in wait lock on stopper, and transition block, which is located at, at this time stirs lower section and two on the left of pin Person is separated from each other；When door-plate is from off state to opening state, driving motor is driven reverse unlocking mechanism and carries out to clamping block When unlock, clamping block is pushed aside with stopper to be locked and is separated by unlocking mechanism, and during separation, unlocking mechanism can force card Tight block is rotated around pallet opposite direction, the rotation of clamping block so that straight line where the first elastic component cross again clamping block and pallet it Between rotating joint after, the first elastic component can also then force clamping block to reversely rotate so that clamping block with wait lock stop Device separation unlock；Then, driving motor continues to invert, and drives lead screw rotation, feed screw nut reverse movement, and door frame, set are taken in drive Cylinder and the door-plate of lower section reverse movement, car door opening.In sleeve reverse movement to after separating with active block, active block can be the It being reversely rotated under the driving of two elastic components along pallet, then drives poke rod to reversely rotate, poke rod stirs loop bar reverse rotation, into And drive linked block and stir pin reverse rotation, so that locking driving assembly and locking linked component return to original state, this When transition block be still located at and stir below pin and the two is separated from each other.

It further, include active block and the second elastic component in the locking driving assembly, the active block passes through shaft It is rotatablely connected with the pallet, one end and the shaft of second elastic component are fixed, and the other end is fixed with the active block； When door-plate closure, the sleeve or the first sleeve can be by squeezing the master close to one end of the active block Motion block drives the active block to rotate around the pallet.When door-plate is from opening state to closed state, driving motor is rotated forward, and is driven Lead screw rotates forward, and feed screw nut is moved in a straight line along lead screw, takes door frame, the sleeve on slide bar and door-plate to a sidesway to drive Dynamic, when sleeve, which is moved to, squeezes the active block in locking driving assembly, active block is after by the extruding of sleeve around the shaft along pallet Positive direction rotation, the second elastic component are tightened up；When door-plate is from off state to opening state, driving motor is driven reverse lead screw Reversion, feed screw nut reverse movement, it is anti-in sleeve that door frame, sleeve and the door-plate of lower section reverse movement, car door opening are taken in drive To after being moved to and separating with active block, active block can be reversely rotated along pallet to original state under the driving of the second elastic component.

It further, further include active block guide part, the guide part and the active block in the locking driving assembly Rotation connection, when door-plate closure, the sleeve or the first sleeve are led close to one end of the active block with described It is effectively contacted to part.The effect of guide part is then that the sliding friction between active block and sleeve is become rolling friction.

Preferably, the guide part is the idler wheel being rotatablely connected with the active block.Active block is connect by idler wheel and sleeve Touching, becomes rolling friction for the sliding friction between active block and sleeve, effectively reduces the frictional force between active block and sleeve.

Further, the second limit hole limited to the poke rod is offered in the active block, it is described to stir The bottom end of bar is located in second limit hole.Either clamping block with wait be stuck between stopper of locking or separate shape State, the bottom end of poke rod are limited in it by the second limit hole always.

Preferably, second elastic component is torsional spring, and the ontology of the torsional spring is arranged and is fixed in the shaft, another End is fixedly connected with the active block.

It further, include spiral-straight line axle sleeve and guide shaft, the spiral-straight line axle sleeve in the unlock linked component One end be coaxially arranged or be embedded on the output shaft of the driving motor, the other end is coaxially arranged or is embedded in the guide shaft On, the guide shaft is coaxially fixed with the stopper to be locked；The guide shaft, the stopper to be locked, the driving motor Output shaft and the spiral-straight line axle sleeve be coaxially disposed, the driving motor is used to drive the door-plate or described When first door-plate and second door-plate close or open, drive the spiral-straight line axle sleeve along its axis make reciprocating linear or Screw.Clamping block when the door-plate closed needs to open, drives with when needing to unlock after the stuck locking of stopper of locking Motor drives spiral-straight line axle sleeve rotation by its output shaft, since spiral-straight line axle sleeve both ends one end is that helical structure is another One end is linear structure, so, when stopper of locking be clamped block it is stuck when, coaxially fixed guide shaft can not rotate, institute It can not also be rotated with the spiral-straight line axle sleeve for causing one end to be connected with guide shaft, and can only be forced to do short distance along its linear structure Spiral linear movement；After clamping block wait stopper of locking with separating, when driving motor drives spiral-straight line axle sleeve rotation again, Then since stopper to be locked can rotate freely at this time, so guide shaft can also rotate freely, i.e. spiral-straight line axle sleeve can also be with Guide shaft is followed to rotate freely；Simultaneously as it is linear structure that spiral-straight line axle sleeve one end, which is the spiral other end, rotating When can also do the linear motion of a fixed spacing, it is screw that the two, which combines, after the stroke of linear motion, just only It is simple to rotate in place movement.

Further, the spiral-straight line axle sleeve is hollow cylinder structure, and one end inner wall has helical tooth A 32, Other end inner wall has circle distribution and several rib A 33 with its axis parallel；The output shaft outer wall of the driving motor It is equipped with the screw key A 34 or spline A 35 cooperated with the helical tooth A 32 or rib A 33, the guide shaft outer wall tool There are the spline B 36 or screw key B 37 with the rib A 33 or helical tooth A 32 cooperation；The spiral-straight line axle sleeve One end with the helical tooth A 32 is set on the screw key A 34 or screw key B 37, with the rib A 33 One end is set on the spline A 35 or spline B 36.Spiral-linear axis set is as hollow sleeve in use, its both ends needs Guarantee one end is helical tooth, and one end is the rib with its axis parallel, in this way, passing through the spiral shell on its output shaft in driving motor When revolving key or spline driving spiral-straight line axle sleeve movement, before guide shaft is not with stopper to be locked rotation, spiral shell can only be driven Rotation-straight line axle sleeve does the spiral linear motion of short distance, so that spiral-linear axis set drives driving lever to be moved forward and backward, realizes clamping Block separates the purpose of unlock with stopper to be locked.

Further, the spiral-straight line axle sleeve is solid axle construction, and one end outer wall has screw key A 34, another Hold outer wall that there are circle distribution and several spline A 35 with its axis parallel；It is set on the output shaft inner wall of the driving motor There are the helical tooth A 32 or rib A 33 with the screw key A 34 or spline A 35 cooperation, the inner wall of the guide shaft has The rib B 38 or helical tooth B 39 cooperated with the spline A 35 or screw key A 34；The spiral-linear axis tackling There is one end of the screw key A 34 to be nested in the helical tooth A 32 or helical tooth B 39, there is the spline A 35 One end be nested in the rib A 33 or rib B 38.Spiral-linear axis set is as axis in use, its both ends needs Guarantee one end is screw key, and one end is the spline with its axis parallel, in this way, passing through the spiral shell on its output shaft in driving motor When revolving tooth or rib driving spiral-straight line axle sleeve movement, before guide shaft is not with stopper to be locked rotation, spiral shell can only be driven Rotation-straight line axle sleeve does the spiral linear motion of short distance, so that spiral-linear axis set drives poke rod to be moved forward and backward, realizing will card Tight block separates the purpose of unlock with stopper to be locked.

Further, the spiral-straight line axle sleeve one end is hollow cylinder structure, and the other end is solid axle construction, One end inner wall with hollow cylinder structure has helical tooth A 32 or circle distribution and several muscle with its axis parallel A 33, one end with solid axle construction have spline A 35 or screw key A 34；Outside the output shaft of the driving motor Wall is equipped with the screw key B 37 or spline B 36 cooperated with the helical tooth A 32 or the rib A 33, the guide shaft it is interior There is the rib B 38 or helical tooth B 39 cooperated with the spline A 35 or screw key A 34 on wall；Spiral-the linear axis Covering, there is one end of hollow structure to be sheathed on the output shaft for driving the motor, and one end with solid axle construction is nested in In the guide shaft；Or the inner wall of the output shaft of the driving motor is equipped with and the spline A 35 or screw key A 34 cooperation Rib C 40 or helical tooth C 42；The guide shaft outer wall has the screw key C cooperated with the helical tooth A 32 or rib A 33 41 or spline C 43；There is the spiral-linear axis set one end of hollow structure to be nested in the output shaft for driving the motor Interior, one end with solid axle construction is sheathed on the guide shaft.Spiral-straight line axle sleeve one end uses the other end to make as axis For sleeve in use, its both ends needs to guarantee that one end has helical tooth or spiral bond structure, the other end has linear splines or muscle Structure, in this way, when driving motor drives spiral-straight line axle sleeve movement by helical tooth on its output shaft or rib, In Before guide shaft is not with stopper to be locked rotation, spiral-straight line axle sleeve can only be driven to do the spiral linear motion of short distance, thus Spiral-linear axis set drives poke rod to be moved forward and backward, and realizes the purpose that clamping block is separated to unlock with stopper to be locked.

Further, the first buffering is arranged between straight line axle sleeve and the output shaft of the driving motor in the spiral- Part, and/or, the second bolster is arranged between straight line axle sleeve and the guide shaft in the spiral-.First bolster and/or The setting of two bolsters enables spiral-straight line axle sleeve position to be fixed by limitation, prevents it in the output shaft of driving motor Moved left and right between guide shaft, influence to unlock effect, in addition, also buffer function can be played to spiral-straight line axle sleeve, prevent its two It collides and damages between end and the output shaft and guide shaft of driving motor.

Preferably, first bolster and/or the second bolster are spring.

It further, include driving lever and third elastic component, the middle part of the driving lever and the pallet in the shifting component Rotation connection, front end are free end, and end and the spiral-straight line axle sleeve are rotatablely connected；The both ends of the third elastic component point It is not fixedly connected with the front end of the driving lever and the pallet, and the connection at the middle part of the driving lever and pallet rotation connection Except straight line where point is located at the third elastic component.When wanting the door-plate of either on or off, driving motor is driven reverse spiral- For straight line axle sleeve to close to the movement of the direction of clamping block, spiral-straight line axle sleeve is able to drive the end rotation of driving lever, thus driving lever Middle part is rotated around pallet, so that discontiguous driving lever front end was gradually revolved to the direction close to clamping block between clamping block originally Turn, while rotating joint of the third elastic component also to middle part and pallet close to driving lever is close；With spiral-straight line axle sleeve Mobile, the front end of driving lever contacts with clamping block and clamping block is separated unlock with stopper to be locked, when third elastic component is crossed Behind the middle part of driving lever and the rotating joint of pallet, clamping block is separated unlock with stopper to be locked completely by driving lever, and at this time First elastic component also is located at the side in the middle part of clamping block with the rotating joint of pallet far from stopper to be locked, though driving lever this When separated with clamping block, clamping block is also due to the presence of the first elastic component will not be turned back to stopper clamping to be locked again connects The state of touching, as the lead screw that continues to be driven reverse of driving motor rotates forward, drives lead screw in this way, door lock clutch device is opened Nut, sleeve take door frame reverse movement, realize the opening of door-plate；When needing to close on open door-plate, driving motor is just Turn, lead screw rotates forward, and drives feed screw nut, sleeve, takes the movement of door frame forward direction, at the same time, the rotating forward of driving motor also will drive Spiral-straight line axle sleeve transport screw linear movement, so that driving lever is separated with clamping block, is moved to spiral-straight line axle sleeve forward direction It is exactly to rotate in place after initial position；After sleeve forward direction is moved to the active block being expressed in locking driving assembly, locking is driven Dynamic component, by the stuck locking stopper of the clamping block in clamping assembly, is realized in the closing of door-plate by locking linked component Lock；Then driving motor stops driving, and spiral-straight line axle sleeve also stops rotating, and waits unlocking motion next time。

Preferably, the third elastic component is tension spring.

Preferably, the stopper to be locked is ratchet, and the top of the clamping block has pawl；The pawl with it is described When ratchet engages, the clamping block and the stopper to be locked are stuck, when the pawl is separated with the ratchet, the clamping Block is separated with the stopper to be locked.

Further, the synchronizing device includes first pulley, second pulley and wirerope, the first pulley and described Second pulley is rotatably connected on the pallet two sides respectively, and the drive end of the wirerope takes the fixed company of door frame with described first It connects, Partner, which successively bypasses, to be taken door frame with described second after the first pulley and the second pulley and be fixedly connected, and described First, which takes door frame and described second, takes the two sides of straight line where door frame is located at the first pulley and the second pulley.When When driving motor drives lead screw rotation, feed screw nut drives first to take door frame and moves along lead screw and slide bar, and then drives wirerope It is moved left and right around first pulley and second pulley, and then drive takes door frame and first with second and takes the shifting that door frame does opposite direction It is dynamic, realize the synchronous on-off of the first door-plate and the second door-plate.

Further, the bottom of the door-plate be additionally provided with by rotating block, the first directive wheel and the second guide wheel group at Door-plate guiding mechanism, one end of the rotating block is horizontally rotated by fixed block to be connected on the vehicle frame, and described first leads Pass through shaft respectively to wheel and second directive wheel to be rotatably connected on vertically on the upper surface of the rotating block, described first leads It is located in the bottom guide groove of the door-plate to wheel, second directive wheel is located at outside the bottom guide groove.Door-plate guiding mechanism energy The motion track for enough limiting door-plate bottom makes it and keeps synchronizing moving at the top of door-plate.

Further, it is additionally provided with arc guide barrel at the bottom margin of the vehicle frame in the door-plate, when described When door-plate is closed, second directive wheel is located in the arc guide barrel；When the door-plate is opened, second directive wheel position In outside the arc guide barrel.

The utility model has the advantages that, when needing to close on the door-plate of unlatching, driving motor driving lead screw rotates in the forward direction in the present invention, Feed screw nut moves linearly along lead screw, along slide bar and takes the door-plate linear movement of door frame bottom (if two doors with moving sleeve Plate then first takes the mobile of door frame door-plate synchronizing device can be driven to drive second to take the synchronous relative motion of door frame), when sleeve is mobile To when being contacted with door lock clutch device, can drive door lock clutch device will in the co-axially fixed stopper clamping to be locked of lead screw Lock, to realize the function that door-plate is closed to locking；When needing to open on the door-plate of closing, driving motor drives door lock clutch Device is separated with stopper to be locked, and the stopper to be locked after separation can continue reversely to revolve under driving in driving motor Turn, and then lead screw is driven to reversely rotate, feed screw nut is moved along lead screw reverse linear, and then feed screw nut and sleeve reversely move Dynamic, drive takes door frame reverse movement and (if two door-plates, then first takes the mobile of door frame door-plate synchronizing device can be driven to drive the Two take the synchronous relative motion of door frame), when sleeve is moved backward to when separating with door lock clutch mechanism, door lock clutch mechanism is restored to Original state (unlocked state), waiting are locked next time.

As it can be seen that the opening of the lock and unlock of door lock and door-plate or the first door-plate and the second door-plate or being closed in this stopping sliding door It amounts to a driving motor, the car door after capable of effectively avoiding locking automatically opens in operation of jolting, the car door after locking Airtightness is good；Structure is simple, and mechanism design rationally, can be effectively reduced the cost of stopping sliding door.

Detailed description of the invention

Fig. 1 is the overall structure front view of double stopping sliding doors；

Fig. 2 is the part-structure front view of double stopping sliding doors；

Fig. 3 is the side view of double stopping sliding doors；

Fig. 4 is the partial structure diagram of double stopping sliding doors；

Fig. 5 is the entirety perspective view of double stopping sliding doors；

Fig. 6 is the enlarged structure schematic diagram in Fig. 5 in virtual coil S1；

Fig. 7 is the part isometric structural schematic diagram of double stopping sliding doors；

Fig. 8 is the enlarged structure schematic diagram in Fig. 5 in virtual coil S2；

Fig. 9 is part-structure enlarged diagram in Fig. 8；

Figure 10 is overall structure diagram when door lock clutch device is closed；

Figure 11 is overall structure diagram when door lock clutch device is opened；

Figure 12 is spiral-straight line axle sleeve schematic perspective view；

Figure 13 is the front view of Figure 12；

Figure 14 is the cross-sectional view in Figure 13 along the face A-A；

Figure 15 is spiral-straight line axle sleeve schematic perspective view；

Figure 16 is the front view of Figure 15；

Figure 17 is the cross-sectional view in Figure 16 along the face A-A；

Figure 18 is spiral-straight line axle sleeve front view；

Figure 19 is the cross-sectional view in Figure 18 along the face A-A；

Figure 20 is spiral-straight line axle sleeve front view；

Figure 21 is the cross-sectional view in Figure 20 along the face A-A；

Figure 22 is spiral-straight line axle sleeve front view；

Figure 23 is the cross-sectional view in Figure 22 along the face A-A；

Figure 24 is spiral-straight line axle sleeve front view；

Figure 25 is the cross-sectional view in Figure 24 along the face A-A；

Figure 26 is spiral-straight line axle sleeve front view；

Figure 27 is the cross-sectional view in Figure 26 along the face A-A；

Figure 28 is spiral-straight line axle sleeve front view；

Figure 29 is the cross-sectional view in Figure 28 along the face A-A；

Figure 30 is the overall structure stereoscopic schematic diagram of single stopping sliding door；

Figure 31 is the enlarged structure schematic diagram in Figure 30 in virtual coil.

Specific embodiment

The present invention is described in detail with reference to the accompanying drawing.