CN207761494U - Screw drives control system - Google Patents
Screw drives control system Download PDFInfo
- Publication number
- CN207761494U CN207761494U CN201721522413.1U CN201721522413U CN207761494U CN 207761494 U CN207761494 U CN 207761494U CN 201721522413 U CN201721522413 U CN 201721522413U CN 207761494 U CN207761494 U CN 207761494U
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- China
- Prior art keywords
- locking
- idler wheel
- nut assembly
- gear frame
- lead screw
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Abstract
The utility model discloses a kind of screw drives control systems, including driving mechanism, left and right symmetrically arranged locking slideway, locking mechanism；The driving mechanism includes by motor-driven lead screw and left and right symmetrically arranged transmission component, and lead screw drives transmission component along lead screw axially reciprocating；Transmission component includes gear frame, is sheathed on lead screw nut assembly, fixed locking idler wheel over the nut component, nut assembly are mounted in gear frame, and gear frame connects controlled device；The locking mechanism includes being rotatably connected with bearing support and left and right symmetrically arranged baffle plate assembly and one end is fixed, the other end is fixedly connected with baffle plate assembly reduction torsion spring, baffle plate assembly respectively constitute the locking space that can fall into locking idler wheel with the side of corresponding locking slideway.The symmetrical locking mechanism of the utility model is compact-sized, and reliability is high, few due to constituting its whole number of components, and easy to process and dead weight is small, does not need excessive installation space.
Description
Technical field
The utility model is related to automatic control system field, specifically a kind of screw drives control system.
Background technology
Screw drives control system, generally electric motor driven screw drive the nut assembly being arranged on screw rod to carry out past
Multiple movement, and then drive the controlled device being connect with nut assembly.Typically, screw drives control system more application is in rail
Sect, electrically operated gate field also have locking and unlocking function simultaneously.It is usually applied to the screw drives control system in above-mentioned field
System, locks nut assembly by electromagnetic lock, and then realizes the function of locking a door.The screw drives control system of this form,
Electromagnetic lock must be powered the stability that just can guarantee and lock a door at any time, if after electromagnetic lock power-off, can have door and automatically open wind
Danger, and in the prior art with mechanical lock on the door into line-locked structure, there is a problem of mostly it is complicated, as mainly by machine
The system that tool structure is constituted, it is complicated to bring poor reliability, from the problems such as great, not easy to control, especially applied to public affairs
Altogether when field of traffic, the personal safety of passenger can be threatened.
Utility model content
Purpose of utility model：A kind of screw drives control system provided by the utility model, to solve in the prior art, to answer
The problem of power-off back door present in door system with electromagnetic lock can automatically open, and present in the door system of application mechanical lock
It is complicated, from great, the problems such as being difficult to control.
Technical solution：In order to solve the above technical problems, a kind of screw drives control system of the utility model, including fixation
In the driving mechanism on bearing support, left and right symmetrically arranged locking slideway, locking mechanism；The driving mechanism includes by electricity
The lead screw and left and right symmetrically arranged transmission component of machine driving, lead screw drive transmission component along lead screw axially reciprocating；It is described
Transmission component includes gear frame, is sheathed on lead screw nut assembly, fixed locking idler wheel over the nut component, nut assembly
In gear frame, gear frame connects controlled device；The locking mechanism includes being rotatably connected with bearing support and left and right
Symmetrically arranged baffle plate assembly and one end are fixed, the other end is fixedly connected with baffle plate assembly and are turned for limiting baffle plate assembly
Dynamic reduction torsion spring, the baffle plate assembly respectively constitute the lock that can fall into locking idler wheel with the side of corresponding locking slideway
Close space；During lead screw rotates forward, when locking idler wheel is moved to along left and right locking slideway in locking mechanism and is blocked machine
Structure stops that locking idler wheel is rotated into the locking space between the side and locking mechanism of locking slideway with lead screw and is locked；
When lead screw rotates backward, locking idler wheel is rotated backward to the limitation for being detached from locking mechanism with lead screw and is unlocked, then along silk
Bar is axially moved.
Wherein, the baffle plate assembly being capable of trigger signal switch in spinning movement.
Preferably, the locking mechanism further includes a hand-operating unlocking mechanism, which includes and bearing support
The unlock shift fork being rotatably connected is connected with the unlock shift fork and the solution lock support that can be moved up and down and one end are fixed,
The reduction torsion spring that the other end is fixedly connected with unlock shift fork, by pulling unlock Steel rope drive, it is rotated the unlock shift fork,
Shift fork is unlocked in rotation process drives solution lock support to move upwards, and the locking idler wheel at solution lock support lifting both ends is to certain altitude
To leave locking space, manual unlocking is completed；Unlock steel wire rope is unclamped, unlock shift fork is under the action of the screen resilience of reduction torsion spring
Counter-rotating, driving solution lock support are moved downward and are resetted.
Further, cantilever end for limit locking idler wheel of the solution lock support with symmetrical configuration, the cantilever end are
The lower end in locking space.
Furthermore it is fixed with switch triggering plate on the unlock shift fork, the switch triggering plate can trigger solution in spinning movement
Lock signal switchs.
Preferably, the unlock shift fork and reduction torsion spring are connected to by the second fixing axle on bearing support；The solution
Lock support realizes that it moves up and down along limit hole by limit hole and third fixing axle, and the upper end of the solution lock support passes through connecting pin
Axis is connect with unlock shift fork.Further, it is fixed with backing pin on the gear frame, is opened up at nut assembly corresponding with the backing pin
There is limit hole, which is inserted into limit hole and can slidably reciprocate along limit hole, is rotated with lead screw to limit nut assembly
Angular range.
Furthermore the lower end of the gear frame has the mounting portion being connected with controlled device, and the upper end of the gear frame has
Sleeve for being arranged nut assembly.
Preferably, the nut assembly is installed in the endoporus of gear frame sleeve, and one end of the gear frame sleeve passes through
The axial movement of clamp spring and axle sleeve the limitation nut assembly set gradually from outside to inside, the other end by setting successively from outside to inside
The axial movement of step surface and axle sleeve the limitation nut assembly of some gear frame sleeves.
Further, the nut assembly is made of inner ring and outer ring, and outer ring extends outwardly useful towards bearing support side
In offering screw hole in the mounting base of installation locking idler wheel, the mounting base, there is a screw rod, screw rod to screw in screw hole on locking idler wheel
It is interior, and locking idler wheel is fixed in mounting base by nut.
Preferably, the internal diameter of the right end sleeve of the gear frame, axle sleeve internal diameter with the race diameter phase of nut assembly
Adaptation, the outer diameter of the axle sleeve are adapted with the internal diameter of the left end sleeve of gear frame.
Furthermore the nut assembly is equipped with the locking torsional spring for applying twisting resistance to nut assembly, the locking torsional spring
One end ride against on gear frame, the other end rides against on the block that the outer ring of nut assembly extends outward.
Advantageous effect：A kind of (1) screw drives control system of the utility model, left and right transmission component and locking slideway,
The combination of single symmetrical expression locking mechanism solves prior art electromagnetic lock door in failure and automatically opens, brings security risk
The problem of, it is also more more simple and reliable than existing mechanical lock structure；And the symmetrical expression locking mechanism is compact-sized, reliability is high,
Few due to constituting its whole number of components, easy to process and dead weight is small, does not need excessive installation space；
(2) structure that nut assembly is connected by axle sleeve with clamp spring with gear frame in the transmission component of the utility model,
It does not generate and moves radially and stable drive, also realize control nut assembly with respect to gear frame by concealed backing pin and limit hole
Rotation angle；
(3) the utility model realizes that left and right dual locking, either side locking can be achieved by symmetrical locking mechanism
Door system locking, and dual trigger switchs while detecting locking signal, security performance is high；Hand-operating unlocking mechanism realization is left and right simultaneously
Unlock, simple in structure, unlock torque is small；It is simple in structure simultaneously by locking, signal triggering and hand-operating unlocking mechanism integrated design
Reliably, it occupies little space；Furthermore unlocking signal switch can recognize that manual unlocking opens the door with unexpected, and security performance is high.
Description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the mated condition schematic diagram of transmission component and interlock assembly in the utility model；
Fig. 3 is the structural schematic diagram of transmission component in the utility model；
Fig. 4 is the side view of transmission component in the utility model；
Fig. 5 be Fig. 4 in A-A to sectional view；
Fig. 6 is the structural schematic diagram under transmission component unlocked state in the utility model；
Fig. 7 is the structural schematic diagram under transmission component locking states in the utility model；
Fig. 8 is the structural schematic diagram for concealing gear frame in the utility model in transmission component；
Fig. 9 is the assembly explosive view of Fig. 8；
Figure 10 is the front view of locking mechanism in the utility model；
Figure 11 is the status diagram before locking mechanism emergency release in the utility model；
Figure 12 is the status diagram after locking mechanism emergency release in the utility model；
Figure 13 is the structural schematic diagram of hand-operating unlocking mechanism in the utility model；
Figure 14 is the scheme of installation that lock support is solved in the utility model；
Figure 15 is the usage state diagram of hand-operating unlocking mechanism in the utility model；
Figure 16 is the reset state figure of hand-operating unlocking mechanism in the utility model.
Specific implementation mode
The utility model is further described below in conjunction with the accompanying drawings.
A kind of screw drives control system as depicted in figs. 1 and 2, the system include the electricity being fixed on bearing support 3
Machine 1, left and right symmetrically arranged locking slideway 9 and locking slideway 10 and locking mechanism 4, motor 1 are connect with controller；Motor 1
Axis connection lead screw 2, it is complete configured with the transmission component 5 being symmetrical set and transmission component 6 on lead screw 2.Such as Fig. 3 institutes
Show, transmission component 5 is identical with the structure of transmission component 6, the transmission component 5 include gear frame 501, nut assembly 502 and with
502 rigidly connected locking idler wheel 503 of nut assembly, nut assembly 502 constitute screw pair, nut assembly with lead screw 2
502 are mounted in gear frame 501, and nut assembly can relatively rotate in gear frame；Gear frame 501 and nut assembly 502 it
Between setting locking torsional spring 504, locking torsional spring 504 is that support applies pressure to locking idler wheel 503 with gear frame, transmission component 5
Gear frame 501 connects controlled device 12, and the gear frame 501 of transmission component 6 connects controlled device 11.In a particular application, the quilt
Control Electric plug sliding door either sliding door or the other field that object 11 and controlled device 12 can be subway in field of track traffic
Electrically operated gate；During lead screw 2 rotates forward, drive nut assembly 502 with locking idler wheel 503 simultaneously along 2 sliding motion of lead screw, edge
Left and right locking slideway moves in locking mechanism 4 and is blocked the blocking of mechanism 4, and locking idler wheel 503 is rotated into lock with lead screw 2
The locking space closed between the side and locking mechanism 4 of 9/ locking slideway 10 of slideway and be locked；When lead screw 2 rotates backward, lock
It closes idler wheel 503 to rotate backward to the limitation for being detached from locking mechanism 4 and unlock with lead screw 2, be then axially moved along lead screw 2.
As shown in Figure 1, the screw drives control system of the utility model can operate in double-door system, controlled device 11
It is slide cartridge with controlled device 12, which is connected by taking door frame 14 with side door leaf, and controlled device 12 is by taking door
Frame 13 is connected with other side door leaf.The both ends difference installing mechanism mounting bracket 7 and mechanism mounting bracket 8 of bearing support 3, rack installation
Parallel between frame 7 and rack mounting bracket 8 that long guide post 15 is housed, controlled device 11 and controlled device 12 are set in long guide post
On 15, and it can be moved back and forth along long guide post 15.A kind of applicable double open plug door system of the utility model, matching between each component
Close compact, the structures of all parts is again relatively easy, not only steady in the process of running, but also is not susceptible to failure, and due to knot
Structure is simple, moreover it is possible to bring the weight of whole system to decline, and at production cost reduction, in large-area applications in rail traffic, vehicle
When equal fields, there is good effect.
The locking slideway 9 and locking slideway 10 for being useful for the movement of locking idler wheel 503, locking are fixedly mounted on bearing support 3
The upper surface of slideway 9 and locking slideway 10 is an integral level surface.After locking slideway 9 and locking slideway 10 are set, locking
Idler wheel 503 is contacted with the upper surface of locking slideway 9 and locking slideway 10 and can be moved back and forth on this upper surface, is set this
Set under mode, locking idler wheel 503 be located at the utility model restriction locking idler wheel 503 rotate space top and bottom it
Between, not with upper end or lower end in contact, the locking torsional spring 504 between nut assembly 502 and gear frame 501, which is in, at this time compresses shape
State, after locking idler wheel 503 is moved to baffle plate assembly 402 and the contact of baffle plate assembly 407, the rotation of lead screw 2 drives nut assembly
The twisting resistance that the power and locking torsional spring 504 of 502 rotations apply nut assembly 502, ensure that locking idler wheel 503 can be smooth
The locking space and/or locking idler wheel 503 constituted into baffle plate assembly 402 and 9 side of locking slideway can smoothly enter into gear
The locking space that board group part 407 is constituted with 10 side of locking slideway.Locking slideway 9 and locking slideway 10 are set, locking idler wheel is made
503 move under the limitation of locking slideway 9 and locking slideway 10, can further increase the stationarity of the movement of transmission component 5.
As shown in Figure 4 and Figure 5, it is fixed with backing pin 506 on above-mentioned gear frame 501, nut group corresponding with the backing pin 506
Limit hole 505 is offered at part 502, which is inserted into limit hole 505 and can slidably reciprocate along limit hole 505,
To limit nut assembly 502 with 2 rotational angle range of lead screw, i.e. scope of activities of the backing pin 506 in limit hole 505 constitutes limit
Determine space of the nut assembly 502 with 2 rotational angle range of lead screw, the locking idler wheel 503 on nut assembly 502 within this space with
Nut assembly 502 moves up and down, and the kidney-shaped hole length of limit hole 505 defines the slewing area of locking idler wheel 503, and then limits
Slewing area when nut assembly 502 is moved with lead screw 2, as shown in Figure 6 and Figure 7.The lower end of above-mentioned gear frame 501 have with
The mounting portion that controlled device is connected, the upper end of the gear frame 501 have the sleeve for being arranged nut assembly 502.Nut group
Part 502 is installed in the endoporus of 501 sleeve of gear frame, and one end of 501 sleeve of gear frame passes through the card that sets gradually from outside to inside
Spring 509 and axle sleeve 507 limit the axial movement of nut assembly 502, and the other end passes through the gear frame that is equipped with successively from outside to inside
The axial movement of step surface and axle sleeve 508 the limitation nut assembly 502 of 501 sleeves.The internal diameter of the right end sleeve of gear frame 501,
The internal diameter of axle sleeve 507 and axle sleeve 508 is adapted with the race diameter of nut assembly 502, wherein the right end sleeve of gear frame 501
Refer to the right end of gear frame 501 as shown in Figure 5.The internal diameter phase of the outer diameter of the axle sleeve 507 and the left end sleeve of gear frame 501
Adaptation, wherein left end of the left end telescopic spindle of gear frame 501 for gear frame 501 as shown in Figure 5.In nut assembly 502 along silk
When bar 2 is axially moved, thrust is applied by the sleeve to both sides axle sleeve and gear frame 501, drives gear frame 501 with nut group
Part 502 moves together, and nut assembly 502 is made of inner ring and outer ring, and inner ring and 2 screw-thread fit of lead screw, outer ring is sleeved on inner ring
And cooperated by anti-slop serrations, outer ring extends outwardly towards 3 side of bearing support is useful for the peace of installation locking idler wheel 503
Seat is filled, screw hole is offered in the mounting base, there is a screw rod, screw rod screws in screw hole, and passes through nut on locking idler wheel 503
510 are fixed on locking idler wheel 503 in mounting base.It is small that locking idler wheel 503 can also be the smooth running resistance in other types surface
Component, such as sliding shoe that surface is smooth.Nut assembly 502 is equipped with the locking for applying twisting resistance to nut assembly 502
One end of torsional spring 504, the locking torsional spring 504 rides against on gear frame 501, the other end ride against the outer ring of nut assembly 502 to
On the block extended outside, as shown in Figure 8 and Figure 9.
As shown in Figure 10, the utility model locking mechanism 4 includes mounting base 401 and left and right symmetrically arranged baffle group
Part 402 and baffle plate assembly 407, mounting base 401 are fixedly connected with bearing support 3, also can be directly mounted on locking mechanism 4
On bearing support 3, i.e., bearing support 3 is used as mounting base.Baffle plate assembly 402 and baffle plate assembly 407 pass through first respectively
Fixing axle 403 and the second fixing axle 408 is symmetrical is fixed on mounting base 401, baffle plate assembly 402 can be in mounting base
It is rotated around the first fixing axle 403 on 401, baffle plate assembly 407 can also rotate on mounting base 401 around the second fixing axle 408, gear
Board group part 402 and 407 slewing area of baffle plate assembly are symmetrical.One end of reduction torsion spring 404 is fixed on peace by axis pin 405
It fills on bottom plate 401, the other end is fixedly connected with baffle plate assembly 402 and limits the rotation of baffle plate assembly 407；Reduction torsion spring 409 is logical
It crosses the second fixing axle 408 to be fixed on mounting base 401, one end is stuck on the notch 422 of mounting base 401.
Above-mentioned baffle plate assembly 402 and baffle plate assembly 407 are bending part, which has towards locking slideway 9 and locking
The side of slideway 10, the side and the side of locking slideway 9 and locking slideway 10 are configured to fall into the lock of locking idler wheel 503
Space is closed, is manufactured when the angle of 407 bending of baffle plate assembly 402 and baffle plate assembly is according to practical application, specifically, the bending plate is
3 sections of bendings ensure that locking idler wheel 503 can steadily be fallen into locking space；Baffle plate assembly 402 and baffle plate assembly 407 are dynamic in rotation
It can distinguish trigger signal switch 406 and signaling switch 411 by its edge in work.
As shown in figure 13, locking mechanism 4 further includes a hand-operating unlocking mechanism, which includes unlock shift fork
412, lock support 414 and reduction torsion spring 418 are solved, unlock shift fork 412 is mounted on by the second fixing axle 408 on mounting base 401,
And the unlock shift fork 412 can be rotated around the second fixing axle 408；Reduction torsion spring 418 is fixed on mounting plate by the second fixing axle 408
On, one end of reduction torsion spring 418 is fixed on by axis pin 410 on mounting base 401, and the other end is by being fixed on unlock shift fork
On 412.As shown in figure 14, solution lock support 414 have two tiled configurations symmetrically be used for limit locking idler wheel 503 cantilever end and
The connecting pin being connect with unlock shift fork 412, wherein cantilever end are the lower end in the locking space of above-mentioned limitation locking idler wheel 503, even
The lower part for connecing end offers U-type groove, and third fixing axle 415 passes through the U-type groove on solution lock support 414 that will solve lock support 414 and peace
Dress bottom plate 401 is connected.Limit hole 421 is further opened on mounting base 401, unlock fork 412 is L-type part, the unlock fork
Connecting hole is opened up on 412 external part, axis pin 413 sequentially passes through the company of the connecting hole reconciliation lock support 414 of unlock shift fork 412
In the limit hole 421 for connecing end, and being inserted on mounting base 401, realize that unlock shift fork 412 connects with the linkage for solving lock support 414
It connects；Make when unlock shift fork 412 rotates, solution lock support 414 can be driven to move up and down, wherein limit hole 421 and third fixing axle 415
Define the vertical upper and lower motion range of solution lock support 414.Hand-operating unlocking mechanism further includes unlocking signal switch 416, the unlock
Signaling switch 416 is fixedly connected by switch mounting 420 with mounting base 401.On another external part for unlocking fork 412
It is fixed with switch triggering plate 419, the switch triggering plate 419 can trigger unlocking signal switch 416 in spinning movement, unlock fork
Unlock steel wire rope 417 is connected on 412, which is erected on mounting base 401.Such as Figure 11 and Figure 12 institutes
Show, unlock shift fork 412 unlocks steel wire rope 417 by pulling and drives its rotation, and shift fork 412 is unlocked in rotation process and drives unlock
Holder 414 moves upwards, and the locking idler wheel 503 at the two cantilever ends lifting both ends of solution lock support 414 is locked to certain altitude with leaving
Space is closed, trigger switch plate 419 triggers unlocking signal switch 416 and sends out manual unlocking signal completion manual unlocking, such as Figure 15 institutes
Show；Unlock steel wire rope 417 is unclamped, the counter-rotating under the action of screen resilience of reduction torsion spring 418 of shift fork 412, driving solution are unlocked
Lock support 414 is moved downward and is resetted, as shown in figure 16.Unlock steel wire rope 417 is connect with solution lock-switch, and solution lock-switch can be
One manual knob, when rotation, can pull unlock steel wire rope 417.In practical applications, practical to be mounted in such as subway
Wall etc. can make one on the position readily accessed.It unlocks shift fork 412 and is mounted on same second fixing axle with baffle plate assembly 407
On 408, unlock shift fork 412, baffle plate assembly 402 and baffle plate assembly 407 are mounted on the front of mounting base, and three is mutual
It will not interfere with, and integrated level is high, can save installation space.
A kind of screw drives control system of the utility model, can be divided into following motion process and state：
1, electronic to lock a door：In the open state, motor 1 drives lead screw 2 to rotate to door, and lead screw 2 passes through nut assembly 502
Driving locking idler wheel 503 is moved along locking slideway 9 to shutdown direction, and nut assembly 502 drives controlled device by gear frame 501
12 movements, controlled device 12 are connected with door leaf；Locking idler wheel 503 slides at the right end of locking slideway 9, in nut assembly 502
Under driving with locking torsional spring 504, locking idler wheel 503 is circumferentially rotated along lead screw 2, the locking space on the right side of locking slideway 9,
Limit hole 505 and backing pin 506 limit the range that circumferentially rotates of locking idler wheel 503, locking idler wheel 503 drive baffle plate assembly 402 around
First fixing axle 403 rotates counterclockwise, and triggers pass signaling switch 406 sends out left-hand door and closes signal in place in place, realizes one-way lock
It closes.The transmission component 6 of the other end is moved along locking slideway 10 to shutdown direction, and nut assembly 502 is driven by gear frame 501
Controlled device 11 moves, and controlled device 11 is connected with door leaf；Locking idler wheel 503 slides at the left end of locking slideway 10, in spiral shell
Under the driving of female component 502 and locking torsional spring 504, locking idler wheel 503 is circumferentially rotated along lead screw 2, into 10 left side of locking slideway
Locking space, locking idler wheel 503 drive baffle plate assembly 407 rotated clockwise around the second fixing axle 408, and trigger pass in place
Signaling switch 411 sends out You Menguan signals in place, realizes bidirectional electric locking.
2, electronic unlock：When door is in locking states, motor 1 drives lead screw 2 to rotate, and lead screw 2 passes through nut assembly 502
503 wire winding rod 2 of driving locking idler wheel rotates, and so that locking idler wheel 503 is left the locking space on 9 right side of locking slideway, together
When reduction torsion spring 404 drive baffle plate assembly 402 to be rotated clockwise around the first fixing axle 403, and trigger pass signaling switch in place
406, locking idler wheel 503 leaves locking space and is moved to enabling direction along locking slideway 9, and nut assembly 502 passes through gear frame 501
Controlled device 12 is driven to move, controlled device 12 is connected with door leaf.The locking idler wheel 503 of the other end leaves 10 left side of locking slideway
Locking space, while reduction torsion spring 409 drives baffle plate assembly 407 to be rotated counterclockwise around the second fixing axle 408, and triggers pass and arrives
Position signaling switch 411, locking idler wheel 503 leave locking space and are moved to enabling direction along locking slideway 10, and nut assembly 502 is logical
Crossing gear frame 501 drives controlled device 11 to move, and controlled device 11 is connected with door leaf, realizes electronic unlock.
3, manual locking：In the open state, manual force is driven controlled door by the door leaf being connected with controlled device 12
Object 12 is moved to shutdown direction, and controlled device 12 drives nut assembly 502 along lead screw 2 to shutdown direction by gear frame 501
Movement, locking idler wheel 503 slides at 9 right end of locking slideway, and under the driving of locking torsional spring 504, locking idler wheel 503 is along lead screw
2 circumferentially rotate, and into the locking space on 9 right side of locking slideway, locking idler wheel 503 drives baffle plate assembly 402 around the first fixing axle
403 rotate counterclockwise, and trigger pass signaling switch 406 sends out left-hand door and closes signal in place in place.The other end, manual force by with quilt
The connected door leaf driving controlled device 11 of control object 11 is moved to shutdown direction, and controlled device 11 drives spiral shell by gear frame 501
Female component 502 is moved along lead screw 2 to shutdown direction, and locking idler wheel 503 slides at 10 left end of locking slideway, in locking torsional spring
Under 504 driving, locking idler wheel 503 is circumferentially rotated along lead screw 2, into the locking space in 10 left side of locking slideway, locking idler wheel
503 driving baffle plate assemblies 407 rotated clockwise around the second fixing axle 408, and trigger pass in place signaling switch 411 send out right door
Signal in place is closed, realizes manual locking.
4, manual unlocking：When door is in locking states, pull unlock shift fork 412 solid around second by unlocking steel wire rope 417
Dead axle 408 is done rotationally clockwise, and switch triggering plate 419 triggers unlocking signal switch 416 in spinning movement, unlocks shift fork
412 drive solution lock support 414 to be lifted along limit hole 421 and third fixing axle 415 by axis pin 413, and solution lock support 414 lifts
The locking idler wheel 503 of arranged on left and right sides makes arranged on left and right sides locking idler wheel 503 respectively away from locking slideway 9 and locking slideway 10
Locked position, while reduction torsion spring 404 drives baffle plate assembly 402 to be rotated clockwise around the first fixing axle 403, and trigger pass in place
Signaling switch 406, reduction torsion spring 409 drive baffle plate assembly 407 to be rotated counterclockwise around the second fixing axle 408, and trigger pass in place
Signaling switch 411, resets unlock steel wire rope 417, and unlock shift fork 412 rotates to initial position under the driving of reduction torsion spring 418
And solution lock support 414 is driven to reduce, left and right locking idler wheel 503 leaves each self-locking space along locking slideway 9 and locking slideway 10
It is moved to enabling direction, nut assembly 502 drives controlled device 11 and controlled device 12 to move by gear frame 501, controlled pair
As 11 and controlled device 12 are connected with door leaf, manual unlocking is realized.
The above is only the preferred embodiment of the utility model, it should be pointed out that：For the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (12)
1. a kind of screw drives control system, it is characterised in that：Including the driving mechanism, left and right being fixed on bearing support (3)
Symmetrically arranged locking slideway (9,10), locking mechanism (4)；The driving mechanism include the lead screw (2) driven by motor (1) and
Left and right symmetrically arranged transmission component (5,6), lead screw (2) drive transmission component (5,6) along lead screw (2) axially reciprocating；Institute
Transmission component (5,6) is stated to include gear frame (501), the nut assembly (502) that is sheathed on lead screw (2), be fixed on nut assembly
(502) the locking idler wheel (503) on, nut assembly (502) are mounted in gear frame (501), controlled pair of gear frame (501) connection
As (11,12)；The locking mechanism (4) includes being rotatably connected with bearing support (3) and left and right symmetrically arranged baffle plate assembly
(402,407) and one end are fixed, the other end and baffle plate assembly (402,407) are fixedly connected and for limiting baffle plate assembly
(402,407) reduction torsion spring (404,409) rotated, the baffle plate assembly (402,407) and corresponding locking slideway (9,
10) side respectively constitutes the locking space that can fall into locking idler wheel (503)；During lead screw (2) rotates forward, work as locking
Idler wheel (503) moves in locking mechanism (4) along left and right locking slideway and is blocked mechanism (4) blocking, locking idler wheel (503)
It is rotated into the locking space between the side of locking slideway (9,10) and locking mechanism (4) with lead screw (2) and is locked；Lead screw
(2) when rotating backward, locking idler wheel (503) rotates backward to the limitation for being detached from locking mechanism (4) with lead screw (2) and releases lock
It is fixed, then it is axially moved along lead screw (2).
2. screw drives control system according to claim 1, it is characterised in that：The baffle plate assembly (402,407) exists
It being capable of trigger signal switch (406,411) in spinning movement.
3. screw drives control system according to claim 1 or 2, it is characterised in that：The locking mechanism (4) further includes
One hand-operating unlocking mechanism, the hand-operating unlocking mechanism include the unlock shift fork (412) being rotatably connected with bearing support (3) and should
Unlock shift fork (412) is connected and the solution lock support (414) that can be moved up and down and one end are fixed, the other end is dialled with unlock
The reduction torsion spring (418) that fork (412) is fixedly connected, the unlock shift fork (412) unlock steel wire rope (417) by pulling and drive it
Rotation, unlock shift fork (412) drives solution lock support (414) to move upwards in rotation process, and solution lock support (414) is lifted both ends
Locking idler wheel (503) to certain altitude to leave locking space, complete manual unlocking；Unclamp unlock steel wire rope (417), unlock
Shift fork (412) counter-rotating under the action of screen resilience of reduction torsion spring (418), driving solution lock support (414) move downward simultaneously
It resets.
4. screw drives control system according to claim 3, it is characterised in that：The solution lock support (414) has knot
Structure symmetrically is used to limit the cantilever end of locking idler wheel (503), which is the lower end in locking space.
5. screw drives control system according to claim 3, it is characterised in that：It is fixed on the unlock shift fork (412)
There is switch triggering plate (419), the switch triggering plate (419) can trigger unlocking signal switch (416) in spinning movement.
6. screw drives control system according to claim 3, it is characterised in that：The unlock shift fork (412) and reset
Torsional spring (418) is connected to by the second fixing axle (408) on bearing support (3)；The solution lock support (414) passes through limit hole
(421) and third fixing axle (415) realizes that it moves up and down along limit hole, and the upper end of the solution lock support (414) passes through connecting pin
Axis (413) is connect with unlock shift fork (412).
7. screw drives control system according to claim 1, it is characterised in that：It is fixed on the gear frame (501)
Backing pin (506) offers limit hole (505) at nut assembly (502) corresponding with backing pin (506), the backing pin (506) one
End is inserted into limit hole (505) and can slidably reciprocate along limit hole (505), is rotated with lead screw (2) with limiting nut assembly (502)
Angular range.
8. screw drives control system according to claim 1, it is characterised in that：The lower end of the gear frame (501) has
There is the mounting portion being connected with controlled device, the upper end of the gear frame (501) has the set for being arranged nut assembly (502)
Cylinder.
9. screw drives control system according to claim 8, it is characterised in that：The nut assembly (502) is installed on
In the endoporus of gear frame (501) sleeve, one end of gear frame (501) sleeve passes through the clamp spring that sets gradually from outside to inside
(509) and the axial movement of axle sleeve (507) limitation nut assembly (502), the other end pass through the biography that is equipped with successively from outside to inside
The axial movement of step surface and axle sleeve (508) the limitation nut assembly (502) of moving frame (501) sleeve.
10. screw drives control system according to claim 9, it is characterised in that：The nut assembly (502) is by inner ring
It is constituted with outer ring, outer ring extends outwardly towards bearing support (3) side is useful for the mounting base of installation locking idler wheel (503), should
Screw hole is offered in mounting base, there is a screw rod, screw rod are screwed on locking idler wheel (503) in screw hole, and will by nut (510)
Locking idler wheel (503) is fixed in mounting base.
11. screw drives control system according to claim 10, it is characterised in that：The right end of the gear frame (501)
The internal diameter of sleeve, the internal diameter of axle sleeve (507,508) are adapted with the race diameter of nut assembly (502), the axle sleeve (507)
Outer diameter be adapted with the internal diameter of the left end sleeve of gear frame (501).
12. screw drives control system according to claim 1, it is characterised in that：The nut assembly (502) is equipped with
Locking torsional spring (504) for applying from twisting resistance to nut assembly (502), one end of the locking torsional spring (504) rides against transmission
On frame (501), the other end rides against on the block that the outer ring of nut assembly (502) extends outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721522413.1U CN207761494U (en) | 2017-11-15 | 2017-11-15 | Screw drives control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721522413.1U CN207761494U (en) | 2017-11-15 | 2017-11-15 | Screw drives control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207761494U true CN207761494U (en) | 2018-08-24 |
Family
ID=63188859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721522413.1U Withdrawn - After Issue CN207761494U (en) | 2017-11-15 | 2017-11-15 | Screw drives control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207761494U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107762332A (en) * | 2017-11-15 | 2018-03-06 | 南京康尼机电股份有限公司 | Screw drives control system |
| CN113309426A (en) * | 2021-06-30 | 2021-08-27 | 南京康尼机电股份有限公司 | Remote isolation device for LS locking device door system |
-
2017
- 2017-11-15 CN CN201721522413.1U patent/CN207761494U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107762332A (en) * | 2017-11-15 | 2018-03-06 | 南京康尼机电股份有限公司 | Screw drives control system |
| CN107762332B (en) * | 2017-11-15 | 2023-02-17 | 南京康尼机电股份有限公司 | Screw drive control system |
| CN113309426A (en) * | 2021-06-30 | 2021-08-27 | 南京康尼机电股份有限公司 | Remote isolation device for LS locking device door system |
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