CN205532020U - Two divisions of sliding plug door system - Google Patents

Abstract

The utility model discloses a two divisions of sliding plug door system, include that mount, the stopper of locating on the mount draw track, crossbeam and actuating mechanism, with actuating mechanism complex link gear, still including the direction locking piece and the stop gear that locate the crossbeam, actuating mechanism includes by motor drive's lead screw and nut component, nut component includes that gear frame, cover locate nut on the lead screw, fix the follow -up part on the nut, the nut is installed in the gear frame, transmission frame connected owner movable sleeve subassembly, lead screw reciprocating axially is followed to lead screw drive nut subassembly, the lead screw forward rotates the in -process, when follow -up part touches the direction locking piece, stops to stop gear and by this stop gear in the downstream of leading of direction locking piece upper surface, and follow -up part rotates the side that gets into the locking piece that leads and the space between the stop gear along with the lead screw and the quilt is locked, during the lead screw antiport, follow -up part relieves the locking along with lead screw antiport to the restriction that breaks away from the locking piece that leads, then along lead screw axial motion.

Description

Double open plug door system

Technical field

This utility model relates to a field, specifically a kind of double open plug door system.

Background technology

The screw drives that existing double open plug door system uses, generally electric motor driven screw, drive and be arranged on screw rod Nut assembly move back and forth, and then drive the door leaf that is connected with nut assembly.Typically, double open plug door system System more application is in the mass transportation facilities door such as track traffic, big bus field, and it the most also has locking and unlocking function. It is commonly used to the double open plug door system in above-mentioned field, electromagnetic lock nut assembly is locked, and then realize locking a door Function.The double open plug door system of this form, electromagnetic lock must be energized the stability that guarantee is locked a door at any time, as Really after electromagnetic lock power-off, then can there is door and automatically open up risk, and prior art enters line-locked knot with mechanical lock opposite house , there is baroque problem in structure, as the system being mainly made up of frame for movement, structure complexity can be brought reliably mostly Property is poor, from great, and the problem such as wayward, especially when being applied to public transport field, the person of passenger can be threatened Safety.

Utility model content

Utility model purpose: a kind of double open plug door system that this utility model provides, to solve in prior art, application The problem that power-off back door existing for the door system of electromagnetic lock can automatically open up, and existing for the door system of application mechanical lock Structure complicated, from great, the problem such as wayward.

Technical scheme: for solving above-mentioned technical problem, a kind of double open plug door system of the present utility model, including fixed mount, The plug being located on fixed mount draws track, crossbeam and is located on crossbeam the drive mechanism for driving a side door to move back and forth, Coordinate with drive mechanism for drawing the link gear that another side door moves back and forth；Also include the guiding being located at described crossbeam Lock dog and position-limit mechanism；Described drive mechanism includes by motor-driven screw mandrel and nut assembly；Described nut assembly includes Gear frame, the nut being sheathed on screw mandrel, the follow-up unit that is fixed on nut；Nut is arranged in gear frame, transmission Frame connects actively sleeve assembly；Screw mandrel drives nut assembly along screw mandrel axially reciprocating；During screw mandrel rotates forward, When follow-up unit touches guiding lock dog, move downwardly to position-limit mechanism spacing by this guiding leading of lock dog upper surface Means block, follow-up unit is rotated into the space between side and the position-limit mechanism of guiding lock dog with screw mandrel and is locked； When screw mandrel rotates backward, follow-up unit rotates backward with screw mandrel and unlocks to the restriction departing from guiding lock dog, then edge Screw mandrel axially-movable.

Further, described gear frame has the mechanism limiting nut with screw mandrel rotational angle range.

Further, described gear frame has the installation portion being connected with actively sleeve assembly, installation portion upwardly extend formed by The nut installation portion that four root posts are constituted, nut is arranged in the space that four root posts are constituted, wherein towards crossbeam side Two root post tops be provided with and limit nut with the spacer pin of screw mandrel rotational angle range.

Further, the external diameter of described nut is more than the distance between two heel posts, and therefore nut is limited in two heel posts Between space in, when nut is along screw mandrel axially-movable, by the column of not homonymy is applied thrust, drive gear frame Move with nut.

Further, described nut is made up of inner ring and outer ring, and inner ring coordinates with wire rod thread, outer ring sleeve on inner ring also Being cooperated by anti-slop serrations, outer ring is outward extended with the mounting seat of follow-up unit towards crossbeam side.

Further, described mounting seat has a screw, and follow-up unit has a screw rod, and screw rod is screwed in screw, makes servo-actuated Parts and the fixing connection of nut.

Further, described follow-up unit is roller, uses roller and guides lock dog collocation, by guiding lock dog surface Time can reduce the running resistance of nut assembly to greatest extent, promote the use stationarity of system.

Further, the both sides, outer ring of described nut lay respectively between the adjacent upright posts of correspondence, and screw mandrel passes through nut outer ring Gear frame is driven to move axially along screw mandrel.

Further, described nut assembly also comprises the elastomeric element to nut applying twisting resistance.

Further, described elastomeric element is torsion spring, and one end rides against on gear frame, and the other end rides against on nut. Torsion spring uses the internal diameter model more than screw mandrel diameter, is enclosed within outside screw mandrel.

Further, described nut outer ring is outward extended with block, and one end rides against on this block.

Further, described guiding lock dog has the smooth upper surface that a guiding follow-up unit moves to position-limit mechanism.

Further, described guiding lock dog has one towards the side of position-limit mechanism, is formed between this side and position-limit mechanism The space of follow-up unit can be fallen into.

Further, described side is to limit the inclined-plane that follow-up unit ejects.

Further, the angle between described side and vertical plane is 0-10 °, in this angular range, has both guided lock dog Follow-up unit can be applied active force, follow-up unit will not be caused because angle is excessive again by locked problem, this angle is excellent Elect 3 ° as.

Further, be additionally provided with the slide rail moved for follow-up unit, this slide rail with guide lock dog connect and with guide lock dog Upper surface seamlessly transit.Slide rail is set, makes follow-up unit move under the restriction of slide rail, it is possible to increase nut further The stationarity of component movement.

Further, described position-limit mechanism includes a limiting plate being arranged on crossbeam, and this limiting plate has one side guide To the side of lock dog, this side and the side guiding lock dog are configured to fall into the space of follow-up unit.

Further, described limiting plate is rotatably installed on crossbeam by bearing pin, and this limiting plate is towards guiding lock dog one Side has the riser of bending；Back-moving spring it is provided with between limiting plate and bearing pin.

Further, described limiting plate can trigger signaling switch in spinning movement.

Further, described limiting plate is provided with waist hole, and described crossbeam is provided with spacer pin, and spacer pin stretches in waist hole Limit the limiting plate anglec of rotation.

Further, described fixed mount being additionally provided with guide and limit bar, its one end is fixing with fixed mount to be connected, and the other end is Free end；Described limiting plate is rotatably installed on crossbeam, when two side doors are under the drive of drive mechanism and link gear During closedown, limiting plate rotates until stopping the free end of guide and limit bar, limits a trailed side door return；Work as both sides When door is opened under the drive of drive mechanism and link gear, limiting plate inverts and releases the resistance to guide and limit bar free end Gear, makes a trailed side door back move, after described limiting plate inverts and releases the stop to guide and limit bar free end, Guide and limit bar approaches limiting plate edge, limits limiting plate and rotates.

Further, described position-limit mechanism includes a man-operated mechanism, and this man-operated mechanism includes that one is arranged on crossbeam Fixed support and a travel(l)ing rest being arranged on bearing pin, be provided with back-moving spring between two supports, and travel(l)ing rest leads to Cross manual stay cord and drive around bearing pin rotation, can be by follow-up unit from guiding between lock dog and position-limit mechanism in rotation process Space in transfer to.

Further, described travel(l)ing rest and limiting plate are arranged on same bearing pin, and the two will not interfere with each other, And integrated level is high, it is possible to save installing space.

Further, described drive mechanism connects actively sleeve assembly, and actively sleeve assembly draws driven by link gear Sleeve assembly, actively sleeve assembly and driven socket assembly are connected two side doors by taking door frame respectively；Described driven socket group Part is provided with and fills in the roller drawing track to match；It is provided with hanger at described crossbeam two ends, parallel between hanger is provided with two Long guide pillar, actively sleeve assembly is respectively arranged on different long guide pillars from driven socket assembly, and can lead in the length of each correspondence Move back and forth on post.

Further, each long guide pillar two ends described pass hanger, and arrange rolling member in end, set on fixed mount Having one group of mounting bracket, rolling member matches with the slideway being located at inside mounting bracket.

Further, being provided with synchronizing bar between described mounting bracket, synchronizing bar two ends are fixing connects transmission arm, each linkage Arm is flexibly connected with hanger by connecting rod.

Further, described link gear includes the roller being respectively arranged on each hanger and the tractive unit being arranged on roller Part, traction element forms closed loop between the rollers 27 and 28, being connected with active sleeve assembly of this closed loop traction element, Another side is connected with driven socket assembly.

Beneficial effect: a kind of double open plug door system of the present utility model, nut assembly with guide lock dog, position-limit mechanism Combination, solves existing electromagnetic lock double open plug door system door when losing efficacy and automatically opens up, the problem bringing security risk, Also more simple and reliable than the double open plug door system of existing machinery lock construction, and nut assembly relative in prior art with The form that chute matches, structure is more succinct, runs more steady, few owing to constituting the number of components of its entirety, because of This is prone to processing and conducts oneself with dignity little, it is not necessary to excessive installing space.

Accompanying drawing explanation

Fig. 1 is this utility model overall structure schematic diagram；

Fig. 2 is the assembled state partial schematic diagram of fixed mount and crossbeam；

Fig. 3 is the partial schematic diagram that the left part of Fig. 2 hides mounting bracket；

Fig. 4 is the assembled state partial schematic diagram of crossbeam, mounting bracket, hanger, long guide pillar and synchronizing bar；

Fig. 5 is the position view under door closure state between guide and limit bar and limiting plate；

Fig. 6 is the position view under a state opened between guide and limit bar and limiting plate；

Fig. 7 is the first embodiment guiding lock dog；

Fig. 8 is the second embodiment guiding lock dog；

Fig. 9 is nut assembly structural representation；

Figure 10 is the combinative structure schematic diagram of nut assembly and gear frame；

Figure 11 is gear frame structural representation；

Figure 12 is nut structure schematic diagram；

Figure 13 is to guide lock dog and position-limit mechanism, the mated condition schematic diagram of follow-up unit；

Figure 14 is man-operated mechanism structural representation；

Figure 15 is the structural representation comprising link gear on crossbeam.

Detailed description of the invention

Below in conjunction with the accompanying drawings this utility model is further described.

A kind of double open plug door system as shown in Fig. 1 to Figure 15, including fixed mount 40, is arranged on fixed mount 40 Plug draws track 41, crossbeam 11 and is arranged on crossbeam 11 for the drive mechanism driving a side door to move back and forth, and drives What motivation structure coordinated is used for drawing the link gear that another side door moves back and forth；Drive mechanism connects actively sleeve assembly 6, Actively sleeve assembly 6 draws driven socket assembly 61 by link gear, and link gear drives and drives actively sleeve assembly 6 Door 48 and driven socket assembly 61 door 48 in opposite directions or opposing motion, actively sleeve assembly 6 and driven socket group Part 61 connects two side doors 48 by taking door frame respectively；It is additionally provided with on driven socket assembly 61 and draws track 41 to match with plug The roller closed；Hanger 49 it is respectively mounted at crossbeam two ends, parallel equipped with two root length guide pillars 50 between hanger 49, actively set Cartridge module 6 is set on different long guide pillars 50 from driven socket assembly 61, and can be at the long guide pillar 50 of each correspondence Upper reciprocating motion, each long guide pillar 50 two ends pass hanger 49, and install rolling member in end, and rolling member is axle Device or the parts with rolling function such as hold, fixed mount 40 arrange one group of mounting bracket 43, rolling member with It is arranged on the slideway inside mounting bracket 43 to match.Can also arrange one between mounting bracket 43 can axial rotation Synchronizing bar 47, synchronizing bar 47 two ends are fixing connects transmission arm 64, and each transmission arm 64 is lived with hanger 49 by connecting rod It is dynamically connected.As shown in figure 15, link gear includes the roller being separately mounted on each hanger 49 and is wound on roller Traction element 63, traction element 63 forms closed loop between the rollers 27 and 28, this closed loop traction element 63 with actively Sleeve assembly 6 connects, and another side is connected with driven socket assembly 61, and traction element 63 can be Timing Belt, steel wire Rope, driving-chain etc., when using driving-chain, roller is replaced by gear.

As shown in Fig. 7 to Figure 14, drive mechanism includes the motor 1 being fixed on crossbeam 11, guides lock dog 51 and limit Position mechanism 4, motor 1 is connected with controller；The axle connection wire rod 2 of motor 1, complete on screw mandrel 2 is configured with nut Assembly 3；Nut assembly 3 includes nut 31 and follow-up unit rigidly connected with nut 31 7, nut 31 and screw mandrel 2 constitute screw pair, be provided with gear frame 9, can relative transport between gear frame 9 with nut 31 outside nut 31 Dynamic；Being provided with torsion spring 10 between gear frame 9 and nut 31, torsion spring 10 is with gear frame 9 for supporting to follow-up unit 7 Applying pressure, gear frame 9 connects actively sleeve assembly 6, during screw mandrel 2 rotates forward, drives nut 31 with servo-actuated Parts 7 move simultaneously, and when moving to follow-up unit 7 and guiding after lock dog 51 contact, follow-up unit 7 is at guiding lock dog Leading of 51 upper surfaces moves downwardly to position-limit mechanism 4 and is stopped by this position-limit mechanism 4, and follow-up unit 7 rotates with screw mandrel 2 Enter the space between the side and the position-limit mechanism 4 that guide lock dog 51 and be locked；When screw mandrel 2 rotates backward, servo-actuated Parts 7 rotate backward with screw mandrel 2 and unlock to the restriction departing from guiding lock dog 51, then axially transport along screw mandrel 2 Dynamic.Guide lock dog 51 and have one towards the side of position-limit mechanism 4, formed to fall between this side and position-limit mechanism 4 Enter the space of follow-up unit 7.Side is to limit the inclined-plane that follow-up unit 7 ejects, the folder between side and vertical plane Angle is 0-10 °, and in this angular range, guiding lock dog 51 can apply active force to follow-up unit 7, again will not be because of angle Spending big and cause follow-up unit 7 by locked problem, this angle is preferably 3 °.And in gear frame 9, also limit spiral shell Mother 31 is with the mechanism of screw mandrel 2 rotational angle range, and this mechanism is a space, and the follow-up unit 7 on nut 31 is at this Moving up and down with nut 31 in space, the top and bottom in this space define the slewing area of follow-up unit 7, and then Define slewing area when nut 31 moves with screw mandrel 2.

As it is shown in fig. 7, as the first embodiment, guide lock dog 51 and there is a guiding follow-up unit 7 to position restrainer The smooth upper surface that structure 4 moves, in follow-up unit 7 motor process, when it does not connects with guiding lock dog 51 upper surface When touching, it is in free state, is i.e. positioned at the lower end in the space that above-mentioned restriction follow-up unit 7 rotates, is arranged on nut 31 And the torsion spring 10 between gear frame 9 may be configured as being in the compressive state of relaxation state or less, does not executes to nut 31 Add twisting resistance, or apply less twisting resistance to nut 31, can make nut 31 drive follow-up unit 7 run in, More steady.When follow-up unit 7 is by guiding lock dog 51 upper surface, torsion spring 10 is compressed, and applies to nut 31 Torsion, thereby it is ensured that follow-up unit 7 can be rotated by screw mandrel 2 and drive nut after touching limiting plate 13 31 and the twisting resistance that applies of torsion spring 10, limiting plate 13 and the space guided between lock dog 51 can be smoothly entered.

As shown in Figure 8, as the second embodiment, crossbeam 11 is also installed with and moves for follow-up unit 7 Slide rail 5, this slide rail 5 with guide lock dog 51 connect and with guide lock dog 51 upper surface seamlessly transit, specifically, Guide lock dog 51 and be arranged on slide rail 5 one end near limiting component, and there is the upper surface of level, upper with slide rail 5 Surface connects becomes an integral level surface.After arranging slide rail 5, follow-up unit 7 is i.e. with slide rail 5 upper surface also Can move back and forth on this upper surface, under this setup, follow-up unit 7 is positioned at above-mentioned restriction follow-up unit 7 turns Between the top and bottom in dynamic space, not with upper end or lower end in contact, the now torsion between nut 31 and gear frame 9 Spring 10 is in compressive state, and after follow-up unit 7 moves to contact with limiting plate 13, screw mandrel 2 rotates and drives nut 31 The twisting resistance that nut 31 is applied by the power rotated and torsion spring 10, it is ensured that follow-up unit 7 can enter limiting plate smoothly Space between 13 and guiding lock dog 51.Slide rail 5 is set, makes follow-up unit 7 move under the restriction of slide rail 5, energy Enough stationarities increasing nut assembly 3 motion further.

As shown in Fig. 9 to Figure 12, the installation portion 91 that gear frame 9 has with actively sleeve assembly 6 is connected, installation portion 91 Upwardly extending and form the nut installation portion being made up of four root posts 92, nut 31 is arranged on the sky that four root posts 92 are constituted In, two root post 92 tops towards crossbeam 11 side are provided with restriction nut 31 with screw mandrel 2 angle of rotation wherein The spacer pin 12 of degree scope, therefore, the bottom of two root posts 92 of spacer pin 12 and crossbeam 11 side and spacer pin 12 Between define rotation space when nut 31 rotates with screw mandrel 2, spacer pin 12 is above-mentioned upper end, and two are stood Between post 92, the bottom in space is then lower end.The external diameter of nut 31 is more than the distance between two heel posts 92, therefore spiral shell Female 31 are limited in the space between two heel posts 92, when nut 31 is along screw mandrel 2 axially-movable, by not The column 92 of homonymy applies thrust, drives gear frame 9 to move with nut 31, and nut 31 is by inner ring and outer ring structure Becoming, inner ring and screw mandrel 2 threaded engagement, outer ring sleeve cooperates on inner ring and by anti-slop serrations, and outer ring is towards crossbeam 11 Side is outward extended with the mounting seat of follow-up unit 7, and mounting seat has a screw, follow-up unit 7 to have a screw rod, and screw rod revolves It is connected in screw, makes follow-up unit 7 and the fixing connection of nut 31.Follow-up unit 7 can use roller, it is possible to is it The parts that his type smooth surface running resistance is little, such as ganoid sliding shoe etc..Use roller and guide lock dog 51 Collocation, can reduce the running resistance of nut assembly 3 when by guiding lock dog 51 surface to greatest extent, promotes system Use stationarity.The both sides, outer ring of nut 31 lay respectively between the adjacent upright posts 92 of correspondence, and screw mandrel 2 is by nut 31 Outer ring drives gear frame 9 to move axially along screw mandrel 2.Nut assembly 3 also comprises and applies twisting resistance torsion spring to nut 31 10, one end rides against on gear frame 9, and the other end rides against on nut 31, and torsion spring uses internal diameter more than screw mandrel 2 The model of diameter, is enclosed within screw mandrel 2 outside, and nut 31 outer ring is outward extended with block 32, and one end rides against this On block 32.

As shown in figure 13, position-limit mechanism 4 includes a limiting plate being arranged on crossbeam 11 13, and this limiting plate 13 has Having towards the side guiding lock dog 51, this side and the side guiding lock dog 51 are configured to fall into the sky of follow-up unit 7 Between, limiting plate 13 is rotatably installed on crossbeam 11 by bearing pin 14, and this limiting plate 13 is towards guiding lock dog 51 Side has the riser 26 of bending, and the angle of this riser 26 manufactures when applying according to reality, specifically, at follow-up unit 7 when not contacting with riser 26, and the upper semisection of this bending riser 26 is vertically, and lower semisection is curved to the direction guiding lock dog 51 Folding, and after follow-up unit 7 contacts with riser 26, drive limiting plate 13 to rotate, after rotating stopping, lower semisection becomes Vertical direction, upper semisection bends to the direction guiding lock dog 51, the bending degree of riser 26, turning according to limiting plate 13 Move angle and set, if the rotational angle of limiting plate 13 is α, then be folded between upper semisection and the lower semisection of riser 26 The angle at obtuse angle is 180 ° of-α；Being additionally provided with back-moving spring between limiting plate 13 and bearing pin 14, back-moving spring can be Torsion spring, torsion spring set is on bearing pin 14, and its one end is fixed on limiting plate 13, and the other end is fixed on crossbeam 11, limit Position plate 13 can switch 15 by its edge triggered signal in spinning movement, and limiting plate 13 has waist hole 27, horizontal Being provided with spacer pin 19 on beam 11, spacer pin 19 limits limiting plate 13 anglec of rotation in stretching into waist hole 27.

As shown in Figure 5, Figure 6, fixed mount 40 being additionally provided with guide and limit bar 42, its one end is fixed with fixed mount 40 Connecting, the other end is free end；Limiting plate 13 is rotatably installed on crossbeam 11, when two side doors 48 are at the machine of driving When closing under the drive of structure and link gear, limiting plate 13 rotates until stopping the free end of guide and limit bar 42, limits A trailed side door return；When two side doors 48 are opened under the drive of drive mechanism and link gear, limiting plate 13 Inverting and release the stop to guide and limit bar 42 free end, make a trailed side door back move, limiting plate 13 is anti- Then after releasing the stop to guide and limit bar 42 free end, guide and limit bar 42 approaches limiting plate 13 edge, limit Limiting plate 13 rotates.

As shown in Figure 13, Figure 14, position-limit mechanism 4 also includes a man-operated mechanism, and this man-operated mechanism includes an installation Fixed support 20 on crossbeam 11 and a travel(l)ing rest being arranged on bearing pin 14 17, install between two supports Having back-moving spring, back-moving spring can be torsion spring, and torsion spring set is at bearing pin 14, and its one end is fixed on fixed support 20, The other end is fixing with travel(l)ing rest 17 to be connected, and travel(l)ing rest 17 can be by follow-up unit 7 from guide lock in rotary course Space between block 51 and position-limit mechanism 4 is transferred to, specifically, a bending can be arranged in travel(l)ing rest 17 bottom Slide block 21, slide block 21 below follow-up unit 7 by it from the space guided between lock dog 51 and position-limit mechanism 4 Transfering to, travel(l)ing rest 17 manually can drive and rotates around bearing pin 14 by stay cord 8, and manual stay cord 8 is connected with solution lock-switch, Solving lock-switch can be a manual knob, can pull manual stay cord 8 during rotation.In actual applications, its actual peace It is contained on the position that such as subway inwall etc. can make people readily access.When turn solution lock-switch drives travel(l)ing rest 17 With bearing pin 14 for center of rotation rotate time, slide block 21 promotes follow-up unit 7 to move upward.Travel(l)ing rest 17 and limit Position plate 13 is arranged on same bearing pin 14, and the two will not interfere with each other, and integrated level is high, it is possible to save peace Dress space.

A kind of double open plug door system of the present utility model, can be divided into following motor process and state:

1, electronic lock a door: controller sends signal to motor 1, makes motor 1 drive screw mandrel 2 to rotate, and screw mandrel 2 passes through Nut assembly 3 drives follow-up unit 7 axially to move to position-limit mechanism 4, when follow-up unit 7 touches guiding along screw mandrel 2 During lock dog 51, move downwardly to limiting plate 13 guiding leading of lock dog 51 upper surface and stopped by this limiting plate 13, with Dynamic component 7 is rotated into the space between side and the limiting plate 13 of guiding lock dog 51 with screw mandrel 2 and is locked, at this During, limiting plate 13 rotates, and triggers the signaling switch 15 being arranged on below, and signaling switch 15 sends to controller Putting in place after signal, controller controls motor 1 stall, completes to lock a door.Now, limiting plate 13 is blocked in guide and limit bar 42 free ends are anterior, when link gear lost efficacy, owing to the door of active sleeve assembly 6 has been directed to lock dog locking, therefore Will not be opened easily.And without guide and limit bar 42, the door of driven socket assembly 61 side then can be by manually Open, and drive whole crossbeam to carry out plug to pull work.Being provided with guide and limit bar 42, plug pulls and is i.e. blocked, therefore Even if manually pulling the door of driven socket assembly 61 side, can not open.

2, electric open-door: controller sends signal to motor 1, makes motor 1 drive screw mandrel 2 to rotate backward, servo-actuated portion Part 7 rotates backward with screw mandrel 2 and unlocks to the restriction departing from guiding lock dog 51, and departs from limiting plate 13, limit Position plate 13 return under the effect of torsion spring, releases the stop to guide and limit bar 42, triggers signaling switch 15 to control Device sends unlocking signal, and then limiting component is along screw mandrel 2 axially-movable.When follow-up unit 7 moves to screw mandrel 2 other end Time, motor 1 stall, complete to open the door, now guide and limit bar 42 is in the top of limiting plate 13 and can limit spacing Plate 13 reversed turning, it is to avoid false touch signaling switch.

3, manually lock a door: manual actuation actively sleeve assembly 6, make nut assembly 3 at screw mandrel 2 axially to position-limit mechanism 4 Motion, now screw mandrel 2 is passive rotation.When follow-up unit 7 touches guiding lock dog 51, guiding on lock dog 51 Leading of surface moves downwardly to limiting plate 13 and is stopped by this limiting plate 13, and follow-up unit 7 is rotated into leading with screw mandrel 2 Being locked to the space between the side of lock dog 51 and limiting plate 13, in the process, limiting plate 13 rotates, and touches Sending out the signaling switch 15 being arranged on below, after signaling switch 15 sends, to controller, the signal that puts in place, controller controls electricity Machine 1 stall, completes to lock a door.

4, open Door by Hand: during the locked door condition of both sides, solve lock-switch by rotating so that manual stay cord 8 pulls activity Support 17 does rotationally clockwise around bearing pin 14, the slide block 21 of travel(l)ing rest 17 from bottom by follow-up unit 7 groups Dynamic, make follow-up unit 7 leave latched position, torsion spring drives limiting plate 13 to rotate clockwise around bearing pin 14 simultaneously, and touches Signal-emitting switch 15, after unclamping solution lock-switch, travel(l)ing rest 17 rotates to original position under the driving of back-moving spring, Then manual actuation actively sleeve assembly 6, makes nut assembly 3 axially transport to the direction away from position-limit mechanism 4 at screw mandrel 2 Dynamic, it is achieved to open Door by Hand.

The above is only preferred implementation of the present utility model, it should be pointed out that: for the ordinary skill of the art For personnel, on the premise of without departing from this utility model principle, it is also possible to make some improvements and modifications, these improve Also protection domain of the present utility model is should be regarded as with retouching.

Claims (27)

1. a double open plug door system, including fixed mount (40), the plug be located on fixed mount (40) draw track (41), Crossbeam (11) and be located at the upper drive mechanism for driving a side door to move back and forth of crossbeam (11), joins with drive mechanism Close for drawing the link gear that another side door moves back and forth；It is characterized in that: also include being located at described crossbeam (11) Guiding lock dog (51) and position-limit mechanism (4)；Described drive mechanism include the screw mandrel (2) that driven by motor (1) and Nut assembly (3)；Described nut assembly (3) includes gear frame (9), the nut being sheathed on screw mandrel (2), fixes Follow-up unit (7) on nut；Nut is arranged in gear frame (9), and gear frame (9) connects actively sleeve assembly (6)；Screw mandrel (2) drives nut assembly (3) along screw mandrel (2) axially reciprocating；Screw mandrel (2) rotated forward Cheng Zhong, when follow-up unit (7) touches guiding lock dog (51), under the guiding guiding lock dog (51) upper surface Moving to position-limit mechanism (4) and stopped by this position-limit mechanism (4), follow-up unit (7) is rotated into screw mandrel (2) Guide the space between side and the position-limit mechanism (4) of lock dog (51) and be locked；When screw mandrel (2) rotates backward, Follow-up unit (7) rotates backward with screw mandrel (2) and unlocks to the restriction departing from guiding lock dog (51), then edge Screw mandrel (2) axially-movable.

Double open plug door system the most according to claim 1, it is characterised in that: limited in described gear frame (9) Determine the nut (31) mechanism with screw mandrel (2) rotational angle range.

Double open plug door system the most according to claim 2, it is characterised in that: described gear frame (9) have with The installation portion (91) that controlled device (6) connects, installation portion (91) upwardly extends formation and is made up of four root posts (92) Nut installation portion, nut is arranged in the space that four root posts (92) are constituted, wherein towards crossbeam (11) side Two root posts (92) top be provided with and limit nut (31) with the spacer pin (12) of screw mandrel (2) rotational angle range.

Double open plug door system the most according to claim 3, it is characterised in that: the external diameter of described nut (31) More than the distance between two heel posts (92).

Double open plug door system the most according to claim 3, it is characterised in that: described nut (31) is by inner ring Constituting with outer ring, inner ring and screw mandrel (2) threaded engagement, outer ring sleeve cooperates, outward on inner ring and by anti-slop serrations Circle is outward extended with the mounting seat of follow-up unit (7) towards crossbeam (11) side.

Double open plug door system the most according to claim 5, it is characterised in that: described mounting seat has a screw, Follow-up unit (7) has a screw rod, and screw rod is screwed in screw, makes follow-up unit (7) and the fixing connection of nut (31).

7. according to the double open plug door system described in any one of claim 1-6, it is characterised in that: described follow-up unit (7) it is roller.

Double open plug door system the most according to claim 5, it is characterised in that: the outer ring of described nut (31) Both sides lay respectively between the adjacent upright posts (92) of correspondence, and screw mandrel (2) drives gear frame by nut (31) outer ring (9) move axially along screw mandrel (2).

9. according to the double open plug door system described in claim 1 or 3, it is characterised in that: described nut assembly (3) In also comprise to nut (31) apply twisting resistance elastomeric element (10).

Double open plug door system the most according to claim 9, it is characterised in that: described elastomeric element (10) is Torsion spring, one end rides against on gear frame (9), and the other end rides against on nut (31).

11. double open plug door systems according to claim 10, it is characterised in that: described nut (31) outer ring Being outward extended with block (32), one end rides against on this block (32).

12. double open plug door systems according to claim 1, it is characterised in that: described guiding lock dog (51) has There is the guiding follow-up unit (7) the smooth upper surface to limiting plate (13) movement.

13. according to the double open plug door system described in claim 1 or 12, it is characterised in that: described guiding lock dog (51) Have one towards the side of limiting plate (13), formed between this side and limiting plate (13) and follow-up unit (7) can be fallen into Space.

14. double open plug door systems according to claim 13, it is characterised in that: described side is for limiting The inclined-plane that follow-up unit (7) ejects.

15. double open plug door systems according to claim 14, it is characterised in that: described side and vertical plane it Between angle be 0-10 °.

16. according to the double open plug door system described in claim 1 or 12, it is characterised in that: it is additionally provided with for servo-actuated The slide rail (5) of parts (7) movement, this slide rail (5) with guide lock dog (51) connect and with guide lock dog (51) Upper surface seamlessly transits.

17. double open plug door systems according to claim 1, it is characterised in that: described position-limit mechanism (4) wraps Including a limiting plate (13) being arranged on crossbeam (11), this limiting plate (13) has one side to guiding lock dog (51) Side, this side with guide lock dog (51) side be configured to fall into the space of follow-up unit (7).

18. double open plug door systems according to claim 17, it is characterised in that: described limiting plate (13) leads to Crossing bearing pin to be rotatably installed on crossbeam (11), this limiting plate (13) has curved towards guiding lock dog (51) side The riser (26) of folding；It is provided with back-moving spring between limiting plate (13) and bearing pin.

19. double open plug door systems according to claim 18, it is characterised in that: described limiting plate (13) exists Spinning movement can trigger signaling switch (15).

20. double open plug door systems according to claim 18, it is characterised in that: on described limiting plate (13) Being provided with waist hole (27), described crossbeam (11) is provided with spacer pin (19), spacer pin (19) stretches into waist hole (27) Interior restriction limiting plate (13) anglec of rotation.

21. according to the double open plug door system described in any one of claim 17-20, it is characterised in that: described fixed mount (40) being additionally provided with guide and limit bar (42) on, its one end is fixing with fixed mount (40) to be connected, and the other end is free end； Described limiting plate (13) is rotatably installed on crossbeam (11), when two side doors (48) are at drive mechanism and gear When closing under the drive of structure, limiting plate (13) rotates until stopping the free end of guide and limit bar (42), limits and is led The side door return drawn；When two side doors (48) are opened under the drive of drive mechanism and link gear, limiting plate (13) Invert and release the stop to guide and limit bar (42) free end, make a trailed side door back move, described spacing After plate (13) inverts and releases the stop to guide and limit bar (42) free end, guide and limit bar (42) approaches spacing Plate (13) edge, limits limiting plate (13) and rotates.

22. according to the double open plug door system described in claim 1,18 or 19, it is characterised in that: described position restrainer Structure (7) includes a man-operated mechanism, and this man-operated mechanism includes a fixed support (20) being arranged on crossbeam (11) With a travel(l)ing rest being arranged on bearing pin (17), back-moving spring, travel(l)ing rest (17) are installed between two supports Manually stay cord (8) drives and rotates around bearing pin, can be by follow-up unit (7) from guiding lock dog (51) in rotation process And the space between limiting plate (13) is transferred to.

23. double open plug door systems according to claim 22, it is characterised in that: described travel(l)ing rest (17) It is arranged on same bearing pin (14) with limiting plate (13).

24. double open plug door systems according to claim 1, it is characterised in that: described drive mechanism connects actively Sleeve assembly (6), actively sleeve assembly (6) is by link gear traction driven socket assembly (61), actively sleeve group Part (6) and driven socket assembly (61) are connected two side doors (48) by taking door frame respectively；Described driven socket assembly (61) It is provided with the roller drawing track (41) to match with plug；It is provided with hanger (44), hanger at described crossbeam (11) two ends (44) the parallel two root length guide pillars (45) that are provided with between, actively sleeve assembly (6) is with driven socket assembly (61) respectively It is located on different long guide pillars (45), and can be in the upper reciprocating motion of the long guide pillar (45) of each correspondence.

25. double open plug door systems according to claim 24, it is characterised in that: each long guide pillar (45) described Two ends pass hanger (44), and arrange rolling member in end, are provided with one group of mounting bracket (43) on fixed mount, rolling Dynamic component matches with the slideway being located at mounting bracket (43) inner side.

26. double open plug door systems according to claim 24, it is characterised in that: described mounting bracket (43) Between be provided with synchronizing bar, synchronizing bar two ends are fixing connects transmission arm (46), and each transmission arm (46) passes through connecting rod and extension Frame (44) is flexibly connected.

27. double open plug door systems according to claim 24, it is characterised in that: described link gear includes point Not being located at the roller on each hanger (44) and the traction element (63) being arranged on roller, traction element (63) exists Closed loop, being connected, separately with active sleeve assembly (6) of this closed loop traction element (63) is formed between two rollers While being connected with driven socket assembly (61).