CN206423846U - A kind of locking system and device - Google Patents

Abstract

The utility model discloses a kind of locking system, including upper locking device, lower locking device, the lock pin between upper locking device and lower locking device and the controller for controlling key rotation；Upper locking device is identical with the structure of lower locking device, upper locking device includes the trigger mechanism that can be rotated, for the drive mechanism for driving trigger mechanism to rotate, switch and the locking mechanism that can be rotated, trigger mechanism includes the reset components for being used to reset trigger mechanism, trigger mechanism during rotation can trigger switch send unlocking signal to controller, it is flexibly connected between locking mechanism and trigger mechanism, when being relatively rotated between locking mechanism and trigger mechanism, locking mechanism can be separated with trigger mechanism, lock pin can promote locking mechanism to rotate and can be fixed together with locking mechanism.The utility model discloses a kind of locking device.The utility model can realize manual unlocking, and simple in construction, stability is good, cost is low.

Description

A kind of locking system and device

Technical field

The utility model is related to locking device, more particularly to a kind of locking system and device.

Background technology

With the development of science and technology, people work out a kind of auto-folder seat and are applied to a variety of occasions.From The control of the controlled device of seat board of dynamic rumble seat, can dig or be laid flat automatically.However, auto-folder of the prior art Seat tends not to realize locking and manual unlocking, and complicated, stability is poor, cost is high.

Utility model content

Utility model purpose：The purpose of this utility model, which is to provide one kind, can realize locking and manual unlocking, structure letter The single, locking system and device that stability is good, cost is low.

Technical scheme：Locking system described in the utility model, including upper locking device, lower locking device, located at locking The lock pin closed between device and lower locking device, and for controlling the controller of key rotation；Upper locking device and lower locking The structure of device is identical, upper locking device include can rotate trigger mechanism, for drive trigger mechanism rotate driving machine Structure, switch and the locking mechanism that can be rotated, trigger mechanism include the reset components for being used to reset trigger mechanism, trigger mechanism During rotation can trigger switch send unlocking signal to controller, between locking mechanism and trigger mechanism activity even Connect, when being relatively rotated between locking mechanism and trigger mechanism, locking mechanism can be separated with trigger mechanism, and lock pin can Locking mechanism is promoted to rotate and can be fixed together with locking mechanism.

Further, the trigger mechanism also includes pusher dog, switchboard and rotating shaft, and pusher dog and switchboard are each attached to rotating shaft On, reset components are sheathed in rotating shaft, switchboard during rotation can trigger switch send unlocking signal to controller, Locking mechanism is provided with the first neck for being used for engaging pusher dog.

Further, the drive mechanism includes electromagnet and can connected by the adhesive part of electromagnetic actuation, adhesive part Connect trigger mechanism.

Further, the locking mechanism includes lock fork and rotating shaft, and lock fork, which is provided with, is used for the first card for engaging trigger mechanism Groove and the second neck for engaging lock pin.

Further, the 3rd neck for engaging trigger mechanism is additionally provided with the lock fork, when trigger mechanism turns to energy During the position of enough trigger switch, trigger mechanism is caught in the 3rd neck.The stability of locking mechanism can so be improved so that lock Fork can accurately go to a certain position, without double swerve.

Further, the trigger mechanism includes rotating shaft, and reset components include the torsion spring being sheathed in rotating shaft.

Further, the locking mechanism includes being arranged with continuous rotation member in rotating shaft, rotating shaft, and it is follow-up that lock pin leaves locking mechanism Rotation member can make locking mechanism be rotated further a segment distance.So lock pin is facilitated to be caught in again in locking mechanism.

Locking device described in the utility model, including can rotate trigger mechanism, for driving trigger mechanism to rotate Drive mechanism, switch, the locking mechanism that can be rotated, lock pin and the controller for controlling key rotation, trigger mechanism Including the reset components for resetting trigger mechanism, trigger mechanism being capable of trigger switch transmission unblock letter during rotation Number controller is given, is flexibly connected between locking mechanism and trigger mechanism, when relative turn occurs between locking mechanism and trigger mechanism When dynamic, locking mechanism can be separated with trigger mechanism, and lock pin can promote locking mechanism to rotate and can consolidate with locking mechanism It is scheduled on together.

Further, the trigger mechanism also includes pusher dog, switchboard and rotating shaft, and pusher dog and switchboard are each attached to rotating shaft On, reset components are sheathed in rotating shaft, switchboard during rotation can trigger switch send unlocking signal to controller, Locking mechanism is provided with the first neck for being used for engaging pusher dog.

Further, the drive mechanism includes electromagnet and can connected by the adhesive part of electromagnetic actuation, adhesive part Connect trigger mechanism.

Beneficial effect：The utility model discloses a kind of locking system and device, the locking to lock pin can be realized, also can Enough worked by manual control drive mechanism, driving trigger mechanism is rotated and trigger switch sends unlocking signal to controller, is made Obtain trigger mechanism to separate with locking mechanism, controller control key rotation, so as to realize manual unlocking and control key rotation Function；Can also be directly by artificially rotating trigger mechanism so that trigger mechanism is separated with locking mechanism, so as to realize manually The function of lock pin is unlocked and rotated manually, is particularly useful in the case of drive mechanism failure or whole system power-off.This Outside, the utility model is simple in construction, stability is good, cost is low.

Brief description of the drawings

Fig. 1 is the side view of seat in the utility model embodiment；

Fig. 2 is the rearview of seat in the utility model embodiment；

Fig. 3 is the top view of seat in the utility model embodiment；

The structural representation of locking system when Fig. 4 is laid flat for seat board in the utility model embodiment；

The structural representation of locking system when Fig. 5 digs for seat board in the utility model embodiment；

Fig. 6 is the front view of upper locking device in the utility model embodiment；

Fig. 7 is Fig. 6 A-A direction views；

Fig. 8 is the side view of upper locking device in the utility model embodiment；

Isolate the structural representation of locking system when Fig. 9 is laid flat for seat board in the utility model embodiment；

Isolate the structural representation of locking system when Figure 10 digs for seat board in the utility model embodiment；

Figure 11 is the front view of upper isolation locking device in the utility model embodiment；

Figure 12 is the top view of upper isolation locking device in the utility model embodiment；

Figure 13 is the structural representation of the seat with damper in the utility model embodiment；

Figure 14 is in two during " conjunction " state for second level worm-wheel shaft in the utility model embodiment and output shaft The schematic diagram of level worm and gear component and dependency structure；

Figure 15 is the structural representation of the seat with cylinder assembly in the utility model embodiment；

Figure 16 is the structural representation of cylinder in the utility model embodiment.

Embodiment

With reference to the accompanying drawings and detailed description, the technical solution of the utility model is further introduced.

Present embodiment discloses a kind of auto-folder seat, including the chair back 1 and seat board 3, as shown in Figure 1.The chair back 1 Seat board rotating shaft 21 is provided between seat board 3, as shown in Fig. 2 seat board rotating shaft 21 is passed through from seat bearing 22, seat bearing 22 with The chair back 1 is fixed together.The chair back 1 is provided with upper locking device 11, device for emergency operation 13, disconnecting switch 14 and controller 15. The lower section of the chair back 1 is connected with bottom plate 4, and bottom plate 4 is provided with lower locking device 41, motor 44.Wherein, upper locking device 11 and lower locking device 41 together constitute locking system.Isolation locking system is additionally provided between the chair back 1 and bottom plate 4 1243, as shown in Figure 2.The lower section of the chair back 1 is additionally provided with lower baffle plate 6, each device for protecting the lower section of the chair back 1.In addition, on seat Damper 5 is also provided with, as shown in Figures 2 and 3.Figure 13 is given in the structural representation of damper 5, Figure 13 not by the chair back 1 draws.In Figure 13, seat board 3 is provided with First Transition plate 531, and First Transition plate 531 and seat board 3 are coplanar, First Transition plate 531 sidepieces are angled to extend the second rebound 532, and the second rebound 532 is provided with the second bearing pin 521, and the second bearing pin 521 connects The expansion end of damper 5 is connect, the other end of damper 5 is connected in mounting seat 52 by the first bearing pin 511.Figure 13 is shown Seat board 3 is in two kinds of situations of flattened state and tip-up state.

Figure 13 damper 5 can also change cylinder assembly into, and cylinder assembly includes cylinder and magnetic valve, magnetic valve therein As shown in figure 15, cylinder is as shown in figure 16.Cylinder includes cylinder body 81 and piston rod 82, and the rotation of cylinder body 81 is fixed, piston rod 82 1 End is inside cylinder body 81, the other end connecting base plate rotating shaft 21 of piston rod 82.

In addition, controller 15 is detected to the electric current of motor 44, in the rotation process of motor 44, according to following steps Perform anti-extrusion method：

S1：Judge whether this electric current detected exceedes predetermined current：If it does, then carrying out step S2；Otherwise, then Repeat step S1；

S2：Judge whether that the electric current that continuous n times are detected exceedes predetermined current, N is preset times：If it is, entering Row step S3；Otherwise, then control motor 44 stops operating, and maintains in preset time halted state, and preset time terminates Control motor 44 recovers to rotate afterwards, and return to step S1 continues to detect；

S3：Seat board 3 is controlled to return to the initial position of this motion.

The structure and working principle of locking system and isolation locking system 1243 is introduced separately below.

1st, locking system

As shown in Figure 4 and Figure 5, locking system includes upper locking device 11, lower locking device 41 and located at upper locking dress Put the lock pin 31 between 11 and lower locking device 41.One end of lock pin 31 is fixed on seat board 3 close to the end of the chair back 1, such as Fig. 3 institutes Show, the other end of lock pin 31 is free end, and lock pin 31 and seat board 3 are coplanar.Lock pin 31 includes two parallel vertical poles, two vertical poles Between it is parallel provided with many cross bars.After the control motor 44 of controller 15 is rotated, motor 44 drives seat board 3 to rotate, lock pin 31 As seat board 3 is rotated.

Upper locking device 11 is identical with the structure of lower locking device 41.Upper locking device 11 include upper locking drive mechanism, Upper locking trigger mechanism, upper locking mechanism, the first microswitch 116 and upper lock body 1112, as shown in Figure 4, Figure 5 and Figure 6.Its In, upper locking drive mechanism includes upper electromagnet 111 and upper adhesive part 1113, as shown in fig. 7, the shell of upper electromagnet 111 It is fixed on upper lock body 1112, seat is provided with device for emergency operation 13, can be by operating in the startup of device for emergency operation 13 Electromagnet 111, upper adhesive part 1113 can be made of ferrimagnet.Upper locking trigger mechanism includes being fixed on upper lock body Upper poking claw 112 and first is fixed with upper locking trigger mechanism rotating shaft 114 on 1112, upper locking trigger mechanism rotating shaft 114 Switchboard 113, as shown in fig. 6, one end of upper poking claw 112 connects upper adhesive part 1113, such as Fig. 7 by upper connection member 1115 It is shown.Locking resetting-mechanism is also arranged with upper locking trigger mechanism rotating shaft 114, upper locking resetting-mechanism can be turned round using first Spring 115.Upper locking mechanism includes being fixed with the upper lock fork rotating shaft 118 being fixed on upper lock body 112, upper lock fork rotating shaft 118 The second torsion spring 119 is also arranged with upper lock fork 117, upper lock fork rotating shaft 118.Upper lock fork 117 is provided with the upper He of first neck 1110 Upper second neck 1111, the other end of upper poking claw 112 can be fastened in the first neck 1110, the cross bar of the free end of lock pin 31 It can be fastened in the second neck 1111.In order to improve the stability of upper locking mechanism so that upper lock fork 117 can be accurately A certain position is gone to, without double swerve, the 3rd neck 1114 is also provided with upper lock fork 117, as shown in Figure 7.The One microswitch 116 is fixed on upper lock body 1112, as shown in Figure 8.

Similar, lower locking device 41 includes lower locking drive mechanism, lower locking trigger mechanism, lower locking mechanism, second Microswitch 416 and down lock body 4112, as shown in Figure 4 and Figure 5.Wherein, lower locking drive mechanism includes lower electromagnet 411 with Adhesive part (not shown), the shell of lower electromagnet 411 is fixed on down lock body 4112, and seat is provided with device for emergency operation 13, can be by operating device for emergency operation 13 to start the switch of lower electromagnet 411, lower adhesive part (not shown) can be adopted It is made of ferrimagnet.Lower locking trigger mechanism includes the lower locking trigger mechanism rotating shaft 414 being fixed on down lock body 4112, The switchboard 413 of lower pawl 412 and the 3rd is fixed with lower locking trigger mechanism rotating shaft 414, one end of lower pawl 412 is under The lower adhesive part (not shown) of connection member (not shown) connection.Lower locking is also arranged with lower locking trigger mechanism rotating shaft 414 Resetting-mechanism, lower locking resetting-mechanism can use the 3rd torsion spring 415.Lower locking mechanism is included under being fixed on down lock body 4112 It is fixed with lock fork rotating shaft 418, lower lock fork rotating shaft 418 in lower lock fork 417, lower lock fork rotating shaft 418 and is also arranged with the 4th torsion spring 419.Lower lock fork 417 is provided with lower first neck 4110 and lower second neck 4111, and the other end of lower pawl 412 can be fastened on In lower first neck 4110, the cross bar of the free end of lock pin 31 can be fastened on down in the second neck 4111.In order to improve lower locking The stability of mechanism so that lower lock fork 417 can accurately go to a certain position, without double swerve, in lower lock fork 417 also Lower 3rd neck (not shown) can be provided with.3rd microswitch 416 is fixed on down lock body 4112.

The course of work of the locking system is described below：

When seat board 3 is in flattened state, as shown in figure 4, the cross bar of the free end of lock pin 31 is fastened on the upper of lock fork 117 In second neck 1111, the other end of upper poking claw 112 is fastened in upper first neck 1110 of lock fork 117, lower pawl 412 with Lower first neck 4110 of lower lock fork 417 departs from, and lower second neck 4111 of lower lock fork 417 is against top.If lower lock fork 417 On be additionally provided with down the 3rd neck 4114, then now lower pawl 412 is fastened on the lower 3rd neck (not shown) of lower lock fork 417 In.When seat board 3 needs to be converted into tip-up state by flattened state, manually operated device for emergency operation 13, upper electromagnet 111 is inhaled Adhesive part 1113 is closed, upper adhesive part 1113 drives upper poking claw 112 to be triggered around upper locking by upper connection member 1115 Mechanism rotating shaft 114 is rotated so that the other end of upper poking claw 112 departs from upper first neck 1110, at the same first switch plate 113 also with Locking trigger mechanism rotating shaft 114 to rotate and rotate, contacted when first switch plate 113 is turned to the first microswitch 116 When, the first microswitch 116 of triggering sends unlocking signal to controller 15, and the upper electromagnet 111 of the control of controller 15 stops adhesive While control motor 44 rotate, drive seat board 3 to be rotated up, while lock pin 31 is rotated down and from the upper of upper lock fork 117 Spun off in second neck 1111.Upper electromagnet 111 stops after adhesive, and upper poking claw 112 is returned in the presence of the first torsion spring 115 Position when being laid flat to seat board 3, upper lock fork 117, which was rotated further in the presence of the second torsion spring 119 after a period of time, to be stopped so that Upper second neck 1111, so can very successfully when lock pin 31 is rotated again up against lower section when upper lock fork 117 stops It is caught in the second neck 1111.Lock pin 31 is rotated down under the indirect control of controller 15, until the free end of lock pin 31 Cross bar is caught in lower second neck 211 of lower lock fork 27, promotes lower lock fork 27 to rotate, until lower pawl 22 is caught in lower lock fork 417 Lower first neck 4110 in, lock pin 31 stops operating and locked, and seat board 3 reaches tip-up state and locked.If locked The 3rd neck 1114 is additionally provided with fork 117, then when upper lock fork 117 turns to a certain position in the presence of the second torsion spring 119 Put, when upper poking claw 112 is turned back to a certain position in the presence of the first torsion spring 115, upper poking claw 112 can be fastened on lock fork In 117 upper 3rd neck 1114 so that upper lock fork 117 can accurately turn to predeterminated position, so when lock pin 31 is upward During rotation, the cross bar of the free end of lock pin 31 can be caught in upper second neck 1111 of lock fork 117 exactly.

When seat board 3 is in tip-up state, as shown in figure 5, the cross bar of the free end of lock pin 31 is fastened under lower lock fork 417 In second neck 4111, the other end of lower pawl 412 is fastened in lower first neck 4110 of lower lock fork 417, upper poking claw 12 with Upper first neck 1110 of upper lock fork 117 departs from, and upper second neck 111 of upper lock fork 17 is against lower section.If upper lock fork 117 is also Provided with upper 3rd neck 1114, then now upper poking claw 12 is fastened in upper 3rd neck 1114 of lock fork 17.When seat board 3 is needed When being converted into flattened state by tip-up state, the device for emergency operation 13 on operation seat, adhesive under the adhesive of lower electromagnet 411 Part (not shown), lower adhesive part (not shown) drives lower pawl 412 around lower locking by lower connection member (not shown) Trigger mechanism rotating shaft 414 is rotated so that the other end of lower pawl 412 departs from lower first neck 4110, while the 3rd switchboard 413 Rotate and rotate also with lower locking trigger mechanism rotating shaft 414, when the 3rd switchboard 413 is turned to and the 3rd microswitch 416 During contact, the 3rd microswitch 416 of triggering sends unlocking signal to controller 15, and the control lower electromagnet 411 of controller 15 stops Control motor 44 to rotate while adhesive, drive seat board 3 to rotate down, while lock pin 31 is rotated up and from lower lock fork 417 Lower second neck 4111 in spin off.Lower electromagnet 411 stops after adhesive, effect of the lower pawl 412 in the 3rd torsion spring 415 Under return to position when seat board 3 is dug, lower lock fork 417, which was rotated further in the presence of the 4th torsion spring 419 after a period of time, to be stopped, So that lower lock fork 417 stop the second neck 4111 at present, can be very suitable so when lock pin 31 is rotated down again against top It is caught in down sharply in the second neck 4111.Lock pin 31 is rotated up under the indirect control of controller 15, until lock pin 31 is free The cross bar at end is caught in upper second neck 1111 of lock fork 117, and lock fork 117 is rotated in promotion, until upper poking claw 112 is caught in In upper first neck 1110 of lock fork 117, lock pin 31 stops operating and locked, and seat board 3 reaches flattened state and locked.Such as The 3rd neck (not shown) is additionally provided with down in the lower lock fork 417 of fruit, then lock fork 417 turns in the presence of the 4th torsion spring 419 instantly When moving a certain position, lower pawl 412 and being turned back to a certain position in the presence of the 3rd torsion spring 415, lower pawl 412 can engage In the lower 3rd neck (not shown) of lower lock fork 417 so that lower lock fork 417 can accurately turn to predeterminated position, so When lock pin 31 is rotated down, the cross bar of the free end of lock pin 31 can be caught in lower second neck 4111 of lower lock fork 417 exactly In.

In addition, device for emergency operation 13 also includes upper cable quadrant and drop-down drum.Wind wired on upper cable quadrant, the one of line End is exposed at outside seat, the other end connection upper poking claw 112 of line, so by manual bracing wire upper poking claw 112 can be rotated, So that the other end of upper poking claw 112 spins off from upper first neck 1110 of upper lock fork 117, such seat board 3 just reaches Released state has been arrived, can be taking human as rotation seat plate 3.Wind wired on drop-down drum, one end of line is exposed at outside seat, line it is another One end connects lower pawl 412, so by manual bracing wire lower pawl 412 can be rotated, so that lower pawl 412 is another One end spins off from lower first neck 4110 of lower lock fork 417, and such seat board 3 has just reached released state, can be taking human as Rotate seat board 3.

2nd, locking system 1243 is isolated

As shown in Figure 9 and Figure 10, isolation locking system 1243 includes isolation locking system shell 43, upper isolation locking dress Put, lower isolation locking device and rotating mechanism.Upper isolation locking device is identical with the structure of lower isolation locking device, and the two All it is fixed on isolation locking system shell 43.Rotating mechanism is that one end is fixed on seat branch of the seat board 3 close to the end of the chair back 1 Strut 32, as shown in figure 3, and Seat support bar 32 and seat board 3 are coplanar.After the control motor 44 of controller 15 is rotated, motor 44 drive seat boards 3 are rotated, and Seat support bar 32 is rotated with seat board 3.

It is upper isolation locking device include it is upper isolation lock body 121, upper travel mechanism, can rotate upper blocking mechanism, can Travel mechanism moves and sent a signal to the upper isolation drive mechanism of controller 15 in driving, and can answer blocking mechanism The upper isolation resetting-mechanism of position, as shown in Fig. 9-Figure 12.Upper travel mechanism includes upper connecting rod 127.Upper blocking mechanism includes upper gear Block 128, the upper center of block 128 is fixed on the upper block rotating shaft 129 on isolation lock body 121, upper block rotating shaft 129 provided with rotation On be arranged with isolation resetting-mechanism, upper isolation resetting-mechanism can use upper block torsion spring 1210.Upper isolation drive mechanism includes Upper cable quadrant 122, second switch plate 125, the second microswitch 1211 being fixed on isolation lock body 121 and two upper regulations Device 124.The upper center of cable quadrant 122 is fixed on the upper cable quadrant rotating shaft 123 on isolation lock body 121, second switch provided with rotation One end of plate 125 is fixed in cable quadrant rotating shaft 123, and the other end of second switch plate 125 has first slope 1251, when upper When block 128 is located at the initial position for stopping upper connecting rod 127, the second microswitch 1211 is pushed down in the bottom of first slope 1251 Second action reed 1212.One end of upper connecting rod 127 is fixed together by upper connecting rod 126 with upper cable quadrant rotating shaft 123.On Some astragals are arranged with cable quadrant 123, the two ends of line are respectively by being fixed on the upper adjusters of upper two isolated on lock body 121 124 pass.

Similar, lower isolation locking device includes lower isolation lock body 421, lower travel mechanism, the lower stop machine that can be rotated Structure, lower travel mechanism can be driven to move and send a signal to the lower isolation drive mechanism of controller, and lower stop can be made The lower isolation resetting-mechanism of reset, as shown in Figure 9 and Figure 10.Lower travel mechanism includes lower pull bar 427.Lower blocking mechanism bag Lower block 428 is included, the lower center of block 428 is fixed on the lower block rotating shaft 429 on lower isolation lock body 421, lower block provided with rotation Lower isolation resetting-mechanism is arranged with rotating shaft 429, lower isolation resetting-mechanism can use lower block torsion spring 4210.Lower isolation drive machine Structure includes drop-down drum (not shown), the 4th switchboard (not shown), the 4th microswitch being fixed on lower isolation lock body 421 (not shown) and two lower adjuster (not shown).Drop-down drum (not shown) center is fixed on lower isolation lock body provided with rotation Drop-down drum rotating shaft (not shown) on 421, one end of the 4th switchboard (not shown) is fixed on the rotating shaft of drop-down drum and (schemed not Show) on, the other end of the 4th switchboard (not shown) has the second slope (not shown), and block 428 is located at and stopped down instantly During the initial position of pull bar 427, the 4th action of the 4th microswitch (not shown) is pushed down in the bottom of the second slope (not shown) Reed (not shown).One end of lower pull bar 427 is fixed on one by lower link (not shown) with drop-down drum rotating shaft (not shown) Rise.Some astragals are arranged with drop-down drum (not shown), the two ends of line are respectively by being fixed on lower two isolated on lock body 421 Lower adjuster (not shown) is passed.

The course of work of the isolation locking system 1243 is described below：

When Seat support bar 32, which is located at upper isolation locking device, isolates with between locking device, upper block 128 is located at Initial position, that is, upper block 128 blocks the free end of upper connecting rod 127, the bottom of the first slope 1251 of second switch plate 125 Portion push down the second microswitch 1211 second action reed 1212, now upper connecting rod 127 can not upstop 128 direction move It is dynamic；Lower block 428 is located at initial position, that is, lower block 428 blocks the free end of lower pull bar 427, (figure is not for the 4th switchboard Show) the second slope (not shown) bottom push down the 4th microswitch (not shown) the 4th action reed (not shown), this At present pull bar 427 can not downwards block 428 direction movement.

When upper level control module sends the instruction that seat seat board 3 is laid flat, controller, which is received, to be instructed and controls seat board 3 Rotate down, drive Seat support bar 32 to be rotated up.Seat support bar 32 can promote block 128 during being rotated up It is rotated up around upper block rotating shaft 129, until Seat support bar 32 turns to horizontality back seat support bar 32 and upper gear Block 128 all stops operating.Now, seat board 3 is located at horizontality, and upper block 128 does not block upper connecting rod 127, As shown in Figure 9.If this when of seat there occurs failure, it is necessary to be electrically isolated to seat board 3 and mechanical isolation, to facilitate dimension Repair, then a upper adjuster 124 can be pulled so that upper cable quadrant 122 turns to a direction with manually operated disconnecting switch 14 It is dynamic, drive upper connecting rod 127 to be moved to the direction close to upper block 128, the first slope 1251 of the other end of second switch plate 125 by The second action reed 1212 of the second microswitch 1211 is gradually unclamped, is moved when upper connecting rod 127 to the direction close to upper block 128 Seat support bar 32 can be limited when to the limit to rock downwards, realize the mechanical isolation to seat board 3, and now second switch The first slope 1251 of the other end of plate 125 completely disengages from the second action reed 1212 of the second microswitch 1211, the second fine motion Switch 1211 sends isolation, and signal is to controller 15 in place, and controller 15 automatically cuts off logical between upper level control module Letter, realizes the electric isolution between seat and upper level control module.When maintenance is finished, it is necessary to recovery controller 15 and upper one again Level control module between communication when, can pull adjuster 124 on another with manually operated disconnecting switch 14, make bracing wire Disk 122 is rotated round about, drives upper connecting rod 127 to be moved to the direction away from upper block 128, and second switch plate 125 is another The first slope 1251 at end gradually extrudes the second action reed 1212 of the second microswitch 1211, when upper connecting rod 127 is to remote The direction of upper block 128 can release the limitation to Seat support bar 32 when moving to the limit, so as to release the machine to seat board 3 Tool isolate, and now the first slope 1251 of the other end of second switch plate 125 push down the second microswitch 1211 second move Make reed 1212, the second microswitch 1211, which is sent, recovers signal to controller 15, and controller 15 recovers to control mould with upper level Communication between block, so as to release the electric isolution between seat and upper level control module.

When upper level control module sends the instruction that seat seat board 3 is dug, controller 15, which is received, to be instructed and controls seat Plate 3 is rotated up, and drives Seat support bar 32 to rotate down.Seat support bar 32 can promote lower block during rotating down 428 rotate down around lower block rotating shaft 429, until Seat support bar 32 turns to tip-up state back seat support bar 32 with Block 428 all stops operating.Now, seat board 3 is located at tip-up state, and lower block 428 has not blocked lower pull bar 427 , as shown in Figure 10.If this when of seat there occurs failure, it is necessary to be electrically isolated to seat board 3 and mechanical isolation, with side Just repair, then a lower adjuster (not shown) can be pulled with manually operated disconnecting switch 14 so that (figure is not for drop-down drum Show) rotated to a direction, drive lower pull bar 427 to be moved to the direction close to lower block 428, the 4th switchboard (not shown) is another The second slope (not shown) of one end gradually unclamps the 4th action reed (not shown) of the 4th microswitch (not shown), instantly Pull bar 427 can limit Seat support bar 32 when being moved to the limit to the direction close to lower block 428 and rock upwards, realize seat The mechanical isolation of plate 3, and now the second slope (not shown) of the 4th switchboard (not shown) other end completely disengages from the 4th Microswitch (not shown) the 4th action reed (not shown), the 4th microswitch (not shown) send isolation in place signal to Controller 15, controller 15 automatically cuts off the communication between upper level control module, realizes seat and upper level control module Between electric isolution., can be with when maintenance is finished, it is necessary to during communication between recovery controller 15 and upper level control module again Manually operated disconnecting switch 14, pulls another lower adjuster (not shown), drop-down drum (not shown) is turned round about It is dynamic, drive lower pull bar 427 to be moved to the direction away from lower block 428, the second slope of the 4th switchboard (not shown) other end (not shown) gradually extrudes the 4th action reed (not shown) of the 4th microswitch (not shown), and pull bar 427 is to remote instantly The direction of lower block 428 can release the limitation to Seat support bar 32 when moving to the limit, so as to release the machine to seat board 3 Tool is isolated, and now the second slope (not shown) of the 4th switchboard (not shown) other end pushes down the 4th microswitch (figure Do not show) the 4th action reed (not shown), the 4th microswitch (not shown) send recover signal to controller 15, controller 15 recover the communication between upper level control module, so as to release the electric isolution between seat and upper level control module.

Motor 44 drive seat board 3 rotate mode can have a variety of, can with motor rotary shaft 441 directly with seat board rotating shaft 21 be connected, can also motor rotary shaft 441 be connected again with seat board rotating shaft 21 by a second-stage worm gear worm component, such as Figure 14 institutes Show.The structure on second-stage worm gear worm component and its periphery is introduced below.

As shown in figure 14, second-stage worm gear worm component and clutch are additionally provided with the auto-folder seat of present embodiment Mechanism.Second-stage worm gear worm component includes first order worm screw 71, first order worm gear 72, second level worm screw 73 and second level worm gear 74, the end of first order worm screw 71 connects the rotating shaft of motor 44, and second level worm gear 74 is set on second level worm-wheel shaft 75, the The one end of second-stage worm gear axle 75 is provided with output shaft 76, one end connecting base plate rotating shaft 21 of output shaft 76；Clutch can make output shaft 76 rotate simultaneously with second level worm-wheel shaft 75, also output shaft 76 can be made not rotate.

Wherein, clutch includes extensible member and moving parts, and moving parts can be in second level worm-wheel shaft and output Mobile inside axle, extensible member one end is fixed on inside output shaft.Extensible member includes the pressure that one end is fixed on inside output shaft Spring 79, moving parts includes push rod 77 and splined shaft 78, and the one end of splined shaft 78 is provided with the chamber 781 for accommodating stage clip 79.Splined shaft 78 Outer surface is provided with spline, and second level worm-wheel shaft inner surface and output shaft inner surface are equipped with the spline being adapted with spline.Can Promote push rod 77 to move right, drive splined shaft 78 also to move right.When stage clip 79 is in compressive state or the length of stage clip 79 During less than preset length, the part spline of splined shaft 78 is entered in output shaft 76, still has part spline to stay in second level worm gear In axle 75, the spline being now placed in second level worm-wheel shaft 75 coordinates with second level worm-wheel shaft 75, the flower in output shaft 76 Key coordinates with output shaft 76, and second level worm-wheel shaft 75 is in " conjunction " state with output shaft 76, as shown in figure 14, if now electronic Machine 44 is rotated, then second level worm-wheel shaft 75 can be rotated simultaneously with output shaft 76, namely seat board 3 can be rotated.When stage clip 79 is in certainly When right elongation state or the length of stage clip 79 are not less than preset length, splined shaft 78 is partially disengaged output shaft 76, institute with spline There is spline to stay in second level worm-wheel shaft 75, second level worm-wheel shaft 75 and output shaft 76 are in "Off" state, now no matter the Whether second-stage worm gear axle 75 rotates, and is rotated all without drive output shaft 76, namely seat board 3 is in locking states.

Operate for convenience, rotating mechanism, rotating mechanism can also be set to be pushed away during being rotated toward a direction Dynamic moving parts, moving parts can be decontroled during being rotated toward opposite direction.As shown in figure 14, rotating mechanism includes cam 710 and the handle 711 on camshaft 7103, swing handle 711 can be rotated with moving cam 710.It is convex in order to better control over The rotational travel of wheel 710, improves the accuracy and stability of clutch, and the edge of cam 710 is additionally provided with for being carried out to " conjunction " state Spacing the first spacing preiection 7101 and for carrying out the second spacing spacing preiection 7102 to "Off" state.

The process of clutch is described in detail below：

(1) by the process of "Off" to " conjunction "：

Rotate clockwise handle 711 so that cam 710 is rotated clockwise, promote push rod 77 to move right, drive splined shaft 78 also move right, after the side wall of the inner chamber 781 of splined shaft 78 touches stage clip 79, with the continuation campaign of push rod 77, stage clip 79 can gradually be compressed, and when cam 710, which turns to the first spacing preiection 7101, withstands push rod 77, push rod 77 is spacing by first Projection 7101 obstruction and stop operating, now the part spline of splined shaft 78 is entered in output shaft 76, still there is part spline Stay in second level worm-wheel shaft 75, the spline being now placed in second level worm-wheel shaft 75 coordinates with second level worm-wheel shaft 75, is located at Spline in output shaft 76 coordinates with output shaft 76, and second level worm-wheel shaft 75 is in " conjunction " state with output shaft 76, such as Figure 14 institutes Show.

(2) by the process of " conjunction " to "Off"：

Rotate counterclockwise handle 711 so that cam 710 is rotated counterclockwise, decontrol push rod 77, the resilience of stage clip 79, splined shaft 78 and push rod 77 be moved to the left in the presence of elastic force, when cam 710, which turns to the second spacing preiection 7102, withstands push rod 77, Push rod 77 is stopped operating by the obstruction of the second spacing preiection 7102, and now all splines of splined shaft 78 all stay in the second level In worm-wheel shaft 75, second level worm-wheel shaft 75 is in "Off" state with output shaft 76.

As can be seen here, if it is desired to the locking at a certain position of seat board 3, it can work as when seat board 3 turns to the position and control Motor 44 stops operating, and then second level worm-wheel shaft 75 is in "Off" state with output shaft 76 by swing handle 711, this The just locking at the position of sample seat board 3.Therefore, present embodiment can realize any position in rotation process of seat board 3 The locking at place is put,, can be by seat board 3 particularly in seat power-off or electric fault which not only improves the security of seat Locking gets up, and both improves security, again convenient maintenance.

Claims (10)

1. a kind of locking system, it is characterised in that：Including upper locking device, lower locking device, located at upper locking device and lower lock The lock pin closed between device, and for controlling the controller of key rotation；The structure phase of upper locking device and lower locking device Together, upper locking device include can rotate trigger mechanism, for drive trigger mechanism rotate drive mechanism, switch and can The locking mechanism of rotation, trigger mechanism includes the reset components for being used to reset trigger mechanism, process of the trigger mechanism in rotation In can trigger switch send unlocking signal to controller, be flexibly connected between locking mechanism and trigger mechanism, work as locking mechanism When being relatively rotated between trigger mechanism, locking mechanism can be separated with trigger mechanism, and lock pin can promote locking mechanism Rotate and can be fixed together with locking mechanism.

2. locking system according to claim 1, it is characterised in that：The trigger mechanism also include pusher dog, switchboard and Rotating shaft, pusher dog and switchboard are each attached in rotating shaft, and reset components are sheathed in rotating shaft, and switchboard can during rotation Trigger switch sends unlocking signal to controller, and locking mechanism is provided with the first neck for being used for engaging pusher dog.

3. locking system according to claim 1, it is characterised in that：The drive mechanism includes electromagnet and can be electric The adhesive part of magnet attraction, adhesive part connection trigger mechanism.

4. locking system according to claim 1, it is characterised in that：The locking mechanism includes lock fork and rotating shaft, lock fork It is provided with the first neck for engaging trigger mechanism and the second neck for engaging lock pin.

5. locking system according to claim 4, it is characterised in that：It is additionally provided with the lock fork for engaging trigger mechanism The 3rd neck, when trigger mechanism turns to the position for being capable of trigger switch, trigger mechanism is caught in the 3rd neck.

6. locking system according to claim 1, it is characterised in that：The trigger mechanism includes rotating shaft, reset components bag Include the torsion spring being sheathed in rotating shaft.

7. locking system according to claim 1, it is characterised in that：The locking mechanism includes being arranged in rotating shaft, rotating shaft There is continuous rotation member, lock pin, which leaves the follow-up rotation member of locking mechanism, can make locking mechanism be rotated further a segment distance.

8. a kind of locking device, it is characterised in that：Including can rotate trigger mechanism, for drive trigger mechanism rotate drive Motivation structure, switch, the locking mechanism that can be rotated, lock pin and the controller for controlling key rotation, trigger mechanism include For make trigger mechanism reset reset components, trigger mechanism during rotation can trigger switch send unlocking signal to Controller, is flexibly connected between locking mechanism and trigger mechanism, when being relatively rotated between locking mechanism and trigger mechanism, Locking mechanism can be separated with trigger mechanism, and lock pin can promote locking mechanism to rotate and can be fixed on one with locking mechanism Rise.

9. locking device according to claim 8, it is characterised in that：The trigger mechanism also include pusher dog, switchboard and Rotating shaft, pusher dog and switchboard are each attached in rotating shaft, and reset components are sheathed in rotating shaft, and switchboard can during rotation Trigger switch sends unlocking signal to controller, and locking mechanism is provided with the first neck for being used for engaging pusher dog.

10. locking device according to claim 8, it is characterised in that：The drive mechanism includes electromagnet and can be by The adhesive part of electromagnetic actuation, adhesive part connection trigger mechanism.