CN110393419A

CN110393419A - Curtain electric control driving device

Info

Publication number: CN110393419A
Application number: CN201910579536.6A
Authority: CN
Inventors: 侯伟; 潘阳; 刘国辉
Original assignee: Wo'an Science And Technology (shenzhen) Co Ltd
Current assignee: Wo'an Science And Technology (shenzhen) Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2019-11-01

Abstract

The invention discloses curtain electric control driving devices, including shell, hook, rotating member, tension spring, locking structure, driving wheel and driving mechanism；Hook is for hanging upside down in link；Driving wheel is articulated on shell, and protrudes from the top surface of shell；Driving wheel is also used to the bottom surface CONTACT WITH FRICTION with outer rail；Driving mechanism is mounted on shell, and for driving driving wheel to rotate；Hook is mounted on shell and can move up and down with respect to shell；The both ends of tension spring are rotatablely connected with hook and rotating member respectively；Rotating member can be mounted on shell with rotating upwardly and downwardly；Rotating member is used to move upwards when being rotated up by tension spring linkage hook, and is moved downward when rotating down by tension spring linkage hook；Locking structure is for preventing rotating member with respect to housing into rotation.The present invention can adjust the position for linking up with opposite shell according to the curtain rail of different dimensions, it is ensured that hook stretchy driving wheel is held against the bottom surface of curtain rail, with strong applicability.

Description

Curtain electric control driving device

Technical field

The present invention relates to electric control driving device more particularly to curtain electric control driving devices.

Background technique

In traditional technology, curtain is opened and closed by manual operation mostly, this traditional curtain behaviour Control get up it is more troublesome, the usage comfort of user is poor；Therefore, the automation control of curtain is the important of smart home field Component part is proposed the electronic manipulation window of energy currently, having begun in the market to improve user to the usage comfort of curtain Curtain electrically driven curtain on and off；Existing electrically driven curtain is mainly used with Types Below: as shown in Figure 1, in hand-operated curtain Electric control driving device is installed on guide rail；Electric control driving device includes shell, the driving wheel and change gear that are installed on shell, change gear It is fixed on shell；In use, curtain rail opens up the suspension groove 130 under shed, curtain is mounted on curtain rail 120 On link, change gear 140 protrudes into slot and catches on the lower cell wall 131 of suspension groove, at this point, change gear 140 is just and under suspension groove Cell wall 131 tenses, and driving wheel is pulled to be held against the bottom surface 121 of curtain rail, drives hang under the rotation of driving wheel later Wheel 140 is mobile, and change gear pushes the link on curtain rail 120 mobile and curtain is driven to move, and realizes that curtain is on and off Electric control operation；This kind of mode can be by the convenient electrically driven curtain for upgrading to electronic manipulation of tradition window curtain, before having preferable application Scape.

However, there are still following problems in a particular application for existing electric control driving device: due to the dimensional problem of change gear, Cause the curtain rail that can be applicable in less；Simultaneously as change gear is fixed with respect to the position of shell, it is being suitable for different dimensions Curtain rail on when, the reasons such as thickness difference of different curtain rails, when the bottom surface of driving wheel and guide rail is adjacent to, change gear can Can be excessively high or too low, change gear cannot just hook on the suspension wall of curtain rail and keep tension, i.e. change gear cannot be drawn Dynamic driving wheel is held against the bottom surface of curtain rail, influences the use of electric control driving device, so that an electric control driving device is only It can be suitably used for a kind of curtain rail of dimensions, applicability is poor.

Summary of the invention

For overcome the deficiencies in the prior art, the purpose of the present invention is to provide curtain electric control driving devices, use extension Hook substitutes change gear, and can adjust the position for linking up with opposite shell according to the curtain rail of different dimensions, it is ensured that hook can be drawn Dynamic driving wheel is held against the bottom surface of curtain rail, with strong applicability.

The purpose of the present invention adopts the following technical scheme that realization:

Curtain electric control driving device, including shell, hook, rotating member, tension spring, locking structure, driving wheel and driving mechanism； The hook is for hanging upside down in external link；The driving wheel pivot joint on the housing, and protrudes from the top of the shell Face；The driving wheel is also used to the bottom surface CONTACT WITH FRICTION with outer rail；The driving mechanism installation on the housing, is used in combination It rotates in the drive driving wheel so that the driving wheel externally guide rail movement；Hook installation is on the housing and can The relatively described shell moves up and down；The both ends of the tension spring are rotatablely connected with the hook and the rotating member respectively；Described turn Moving part can be installed on the housing with rotating upwardly and downwardly；The rotating member is used for when being rotated up through tension spring linkage institute It states hook to move upwards, and is moved downward when rotating down by the tension spring linkage hook；The locking structure is used In the prevention relatively described housing into rotation of rotating member.

Further, the locking structure includes the block piece fixed on the housing and is fixed on the rotating member On support touch portion；The rotating member is also used to the lower section that the block piece is moved to the portion of touching of linking when rotating down； The rotating member can also move in the horizontal direction, and linkage is described wrong to portion of touching and the block piece when moving in the horizontal direction It supports to touch to support described in portion's face described in opening or linking and touches portion；The block piece is used to touch with described offset to the portion of touching, described in preventing It is moved upwards to the portion of touching；The tension spring is used to be hooked on external link described, and described support touches portion and the blocking Part offsets in tensional state when touching, so that described support portion of touching under the elastic stress effect of tension spring to the direction for touching block piece Movement.

Further, horizontal support member is fixed on the shell；The rotating member is movably set in described horizontally-supported On part.

Further, the horizontal support member includes spaced two support rods, and one end of the support rod is fixed On the housing, the other end of the support rod is provided with blocking portion；The rotating member is movably set in two support rods Outside；The blocking portion is touched for offseting with the rotating member, to prevent the rotating member from being detached from the support rod.

Further, the bottom surface of outer rail offers the downward slot of notch；The extending direction of slot externally guide rail Extend；It is further fixed on positioning inserting column on the shell, positioning sleeve is removably set with outside the positioning inserting column；The positioning sleeve For match and activity be plugged in the slot of outer rail.

Further, the side of the driving wheel offers the rounded groove in longitudinal section, the central axis of the groove It is overlapped with the central axis of the driving wheel；The cell wall of the groove is recessed to form limiting slot to the direction far from its center；Institute Stating driving mechanism includes adsorption plate, columned drive block, push rod and rotating electric machine；The adsorption plate is mounted on the shell On；The drive block and the adsorption plate magnetic absorption, and be located in the groove；The body of the rotating electric machine is mounted on institute It states on shell；The output shaft of the rotating electric machine and the push rod are sequentially connected, and for driving the push rod to rotate；It is described to push away Bar is used to push the drive block in rotation, moves the drive block to the direction close to the groove cell wall, by institute Drive block is stated to be pushed in the limiting slot；The groove depth of the limiting slot is less than the radius of the drive block, and the slot of limiting slot Wall is arc-shaped.

Further, the adsorption plate is iron plate, and the drive block is magnet.

Further, the driving wheel includes the driving wheel ontology being articulated on casing, and fixation is set in the drive The external Anti-slip cover of driving wheel sheet.

Further, driven wheel is also articulated on the shell；The driven wheel pivot joint on the housing, and protrudes from The top surface of the shell；The driven wheel is also used to the bottom surface CONTACT WITH FRICTION with outer rail, and is placed in the driving wheel The opposite sides of the shell.

Compared with prior art, the beneficial effects of the present invention are:

The hook that the present invention can be gone up and down by setting with respect to shell, and the cooperation of rotating member, tension spring and locking structure is used, In this way, when driving wheel is bonded with the bottom surface of curtain rail, according to the size of different curtain rails, by rotating the rotating member, Rotating member drives the opposite shell of hook to rise or fall by linkage mechanism, can adjust hook to suitable position, so that hanging Hook just hangs on external link and keeps tension, at this point, hook pulling driving wheel is held against the bottom surface of curtain rail； In this way, eliminating the size requirement to the suspension groove of curtain rail, and can be according to various sizes of curtain using hook substitution change gear Guide rail is adjusted the position of hook, with strong applicability.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of existing electric control driving device；

Fig. 2 is one of the structural schematic diagram of curtain electric control driving device of the present invention；

Fig. 3 is the second structural representation of curtain electric control driving device of the present invention；

Fig. 4 is the structural schematic diagram of horizontal support member of the present invention；

Fig. 5 is the structural schematic diagram of present invention positioning inserting column and positioning sleeve；

Fig. 6 is the fractionation structural representation of curtain electric control driving device of the present invention；

Fig. 7 is the cross-sectional view of curtain electric control driving device of the present invention.

In figure: 10, shell；20, it links up with；30, rotating member；40, tension spring；50, locking structure；51, block piece；52, to touching Portion；60, horizontal support member；61, support rod；62, blocking portion；70, inserting column is positioned；80, positioning sleeve；90, driving wheel；91, it limits Slot；92, driving wheel ontology；93, Anti-slip cover；100, driving mechanism；101, adsorption plate；102, drive block；103, push rod；104, it revolves Rotating motor；110, driven wheel；120, guide rail；121, the bottom surface of guide rail；122, link；130, suspension groove；131, under suspension groove Cell wall；140, change gear.

Specific embodiment

In the following, being described further in conjunction with attached drawing and specific embodiment to the present invention, it should be noted that not Under the premise of conflicting, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination Example.

Curtain electric control driving device as shown in figures 2-6, including shell 10, hook 20, rotating member 30, tension spring 40, locking Structure 50, driving wheel 90 and driving mechanism 100；The hook 20 is for hanging upside down in external link 122；90 pivot of driving wheel It connects on the shell 10, and protrudes from the top surface of the shell 10；The driving wheel 90 is also used to the bottom surface with outer rail 121 CONTACT WITH FRICTIONs；The driving mechanism 100 is mounted on the shell 10, and for driving the driving wheel 90 to rotate so that Externally guide rail 120 moves the driving wheel 90；The hook 20 is mounted on the shell 10 and can the relatively described shell 10 It moves up and down；The both ends of the tension spring 40 are rotatablely connected with the hook 20 and the rotating member 30 respectively；The rotating member 30 It can be mounted on rotating upwardly and downwardly on the shell 10；The rotating member 30 is used to link when being rotated up by the tension spring 40 The hook 20 moves upwards, and is moved downward when rotating down by the tension spring 40 hook 20 that links；The lock Structure 50 is determined for preventing the rotating member 30 from rotating relative to the shell 10.

On the basis of above structure, when using this curtain electric control driving device, driving wheel 90 and outer rail 120 are pasted It closes, when needing to adjust the position of the opposite shell 10 of hook 20, when rotating the rotating member 30 upward or downward, at this point, rotating member Tension spring 40 is driven to move when 30 rotation, the hook of the linkage of tension spring 40 later 20, which is realized, correspondingly to be moved upwards or move downward, in turn Hook 20 can be adjusted and to suitable position later using the fixed rotating member 30 of locking structure 50 hook 20 just be hanged Tension is hung on external link 122 and keeps, at this point, 20 pulling driving wheel 90 of hook is held against the bottom surface of outer rail 121, therefore, change gear is substituted using hook 20, eliminates the size requirement to the suspension groove of curtain rail 120, and can be according to difference The position of 120 pairs of curtain rail hooks 20 of size is adjusted, with strong applicability；Rear drive mechanism 100 drive driving wheel 90 under the effect of the frictional force of driving wheel 90 and outer rail 120, and externally guide rail 120 moves driving wheel 90, and drives and hang Hook 20 hooks the external link 122 set and moves, other external links 122 on curtain rail 120 are pushed when external link 122 moves Movement, and then realize the opening and closing of automatically controlled driving curtain.

Above-mentioned locking structure 50 can be adhesive tape, by adhesive tape that rotating member 30 is fixed on the housing 10；Secondly, above-mentioned Locking structure 50 may also comprise screw rod and nut, offer perforation on rotating member 30, through there is lock slots on shell 10, lock Slot is overlapped with the motion profile of perforation, and when turning to suitable position, screw rod is spirally connected after passing through perforation and lock slots with nut, into And fix rotating member 30.

Specifically, which includes the block piece 51 fixed on the housing 10 and is fixed on rotating member 30 To portion of touching 52；The rotating member 30 is also used to link this when rotating down to the lower section that portion 52 is moved to the block piece 51 is touched, and has Body, block piece 51 can be arranged in the lower section of the installation point of rotating member 30, the radius of gyration of rotating member 30 is greater than block piece 51 At a distance from the installation point of rotating member 30；Rotating member 30 can also move in the horizontal direction, and the linkage when moving in the horizontal direction It is staggered or link to portion of touching 52 and block piece 51 to support and touch 52 face of portion to touching portion 52；Block piece 51 is used to touch portion 52 and offset with supporting It touches, touches portion 52 to prevent to support and move upwards；Tension spring 40 is used to hang over external link 122 in hook 20, and supports and touch portion 52 and stop Part 51 offsets when touching in tensional state, touches block piece 51 to supporting under the elastic stress effect of tension spring 40 so as to support and touch portion 52 Direction movement.

On the basis of the said structure, in use, according to actual needs, rotating the rotating member 30, rotating member 30 passes through tension spring 40 linkage hooks 20 rise or fall, and adjust until 20 will be linked up with to can be hooked on position on external link 122；It is horizontal later to move Turn moving part 30 make to be moved to portion of touching 52 it is as shown in Figure 2 with support the position touching portion 52 and being staggered, and continue to rotate down this turn Moving part 30, the linkage of rotating member 30 is moved to portion 52 is touched to 51 lower section of block piece, then moves horizontally rotating member 30, is made mobile to portion of touching 52 To the position of face block piece 51 as shown in Figure 3；In this way, the lower section for touching 52 face block piece 51 of portion is supported, at this point, 40 quilt of tension spring It stretching, external force discharges rotating member 30, and the elastic stress of tension spring 40 pulls to support and touches portion 52 and move to the direction for touching block piece 51 is supported, this When, it since outer rail 120 resists and cannot move upwards, and then make to be butted on 51 lower section of block piece to portion of touching 52, tension spring 40 hinders Rotation stop moving part 30 moves down, and block piece 51 prevents to support the fixation touching portion 52 and moving up, and then realize rotating member 30.

Furthermore since tension spring 40 has enough elastic force, it will pull the bottom surface 121 that driving wheel 90 is close to outer rail, make It runs smoothly, and a degree of deformation can occur for tension spring 40, and the outside for ensuring to be adapted to different dimensions is led Rail 120.

Specifically, above-mentioned block piece 51 can be slot, and the upper cell wall of slot is used to touch with supporting to touch portion 52 and offset；Above-mentioned Block piece 51 can also be barrier plate.

Preferably, horizontal support member 60 is fixed on shell 10；Rotating member 30 is movably set in horizontal support member 60；Such as This, the rotation of realization rotating member 30 is simultaneously horizontally moveable.

The horizontal support member 60 can be a support rod 61, in the present embodiment, it is highly preferred that between horizontal support member 60 includes Every two support rods 61 of setting, one end of support rod 61 is fixed on the housing 10, and the other end of support rod 61 is provided with blocking Portion 62；Rotating member 30 is movably set in outside two support rods 61；Blocking portion 62 is touched for offseting with rotating member 30, to prevent rotating member 30 are detached from support rod 61；In this way, external force, which squeezes two support rods 61, makes the two when rotating member 30 is sheathed with two support rods 61 It is close to each other, at this point, rotating member 30 can be smoothly inserted in outside two support rods 61, two support rods 61, two support rods 61 are discharged later It resets, in this way, blocking portion 62 can play the role of that rotating member 30 is stopped to be detached from support rod 61, it is easy to disassemble.

When linking up with 20 and external link 122 excessively tenses, the whole generation of shell 10 is easily led to far from 120 direction of guide rail It is inclined outwardly, please refers to Fig. 3, i.e., the front-rear direction inclination in Fig. 3, to avoid this kind of situation, it is preferable that the bottom of outer rail Face 121 offers the downward slot of notch；Slot externally guide rail 120 extending direction extend；It is fixed to be further fixed on shell 10 Position inserting column 70, positioning inserting column 70 are removably set with positioning sleeve 80 outside；Positioning sleeve 80 is for matching and activity is plugged in outside In the slot of guide rail 120；In this way, being plugged in slot by positioning sleeve 80, shell 10 is avoided to be inclined outwardly, and slot is externally The extending direction of guide rail 120 extends, and avoids when externally guide rail 120 moves shell 10, positioning sleeve 80, which moves it, to be caused to hinder Hinder.

Above-mentioned positioning sleeve 80 is detachable setting, in this way, in the curtain rail 120 for being directed to different dimensions, it can root According to the positioning sleeve 80 of the width replacement different-thickness of slot, or selection multiple positioning sleeves 80 are set, so that positioning sleeve 80 is total Thickness just matches with slot width.Existing rotating electric machine 104, rotation fluid cylinder etc. can be used in above-mentioned driving mechanism 100 Deng；When using rotating electric machine 104, the body of rotating electric machine 104 is fixed on the housing 10, the output shaft of rotating electric machine 104 and drive Driving wheel 90 is sequentially connected.

It is electronic with manually free switching in order to realize, it is preferable that it is rounded that the side of driving wheel 90 offers longitudinal section Groove；The central axis of groove is overlapped with the central axis of driving wheel 90；Direction of the cell wall of the groove to its separate center Recess forms limiting slot 91；The driving mechanism 100 includes adsorption plate 101, drive block 102, push rod 103 and rotating electric machine 104；It should Adsorption plate 101 is mounted on the shell 10；The drive block 102 and 101 magnetic absorption of adsorption plate are simultaneously located in the groove；Such as This, drive block 102 is mounted on adsorption plate 101, and can make the movement of any direction for relative adsorption plate 101 under external force； 104 volume body of rotating electric machine is mounted on the shell 10；The output shaft of the rotating electric machine 104 and the push rod 103 are sequentially connected, and For driving push rod 103 to rotate；The push rod 103 is used to push the drive block 102 in rotation, is somebody's turn to do drive block 102 to close The direction of groove cell wall moves, which is pushed in the limiting slot 91；Limiting slot 91 is provided in push rod 103 do not push drive block 102 and when driving wheel 90 rotates under external force, and drive block 102 can be detached from limiting slot 91；Specifically Ground, the groove depth of the limiting slot 91 is less than the radius of the drive block 102, and the cell wall of limiting slot 91 is arc-shaped.

On the basis of above structure, when needing using electric drive, the output shaft of rotating electric machine 104 drives push rod 103 It is rotated along the direction A such as Fig. 7 arrow shown in (or along the direction opposite with direction A shown in arrow move can also), push rod 103 The position for pushing drive block 102 is turned to, and continues to press on drive block 102 under the drive of rotating electric machine 104, at this point, push rod 103 thrust makes drive block 102 overcome the adsorption capacity of adsorption plate 101, simultaneously, referring to Fig. 7, in the suction for overcoming adsorption plate 101 After attached power, by force analysis it is found that drive block 102 is also by thrust F as shown in Figure 7, at this point, under the action of thrust F, Drive block 102 is moved to the direction close to groove cell wall, and drive block 102 enters in limiting slot 91 later；Push rod 103 continues to press on Drive block 102, and squeeze drive block 102 and drive block 102 is pressed in limiting slot 91, so that the stabilization of drive block 102 is located in In in limiting slot 91, drive block 102 continues to move with push rod 103 later, and the slot of limiting slot 91 is pushed when drive block 102 moves Wall, and realize and driving wheel 90 is driven to rotate, then realize the automatically controlled driving of driving wheel 90；And when needing using manual actuation, it draws Dynamic curtain, the movement of window curtain driving shell 10 and then linkage driving wheel 90 are along the rotation of the direction as shown in Fig. 7 arrow A, at this point, drive block The thrust of 102 not drawn stems 103 is without being pressed in limiting slot 91, continuing to rotate with driving wheel 90 later, limit The cell wall of slot 91 pushes drive block 102, and drive block 102 is again by the resistance that the adsorption capacity of adsorption plate 101 is by adsorption plate 101 Power, in this way, drive block 102 is moved towards notch and along the arc-shaped cell wall of limiting slot 91 with the movement of driving wheel 90, and Again since the groove depth of limiting slot 91 is less than the radius of the drive block 102, at this point, drive block 102 can be under the promotion of limiting slot 91 Be detached from limiting slot 91, as a result, due to drive block 102 be detached from limiting slot 91, driving wheel 90 during rotation, no longer because of push rod The barrier effect of 103 pairs of drive blocks 102 and the rotation of driving wheel 90 is caused to hinder, and then can realize manual operation.

Specifically, adsorption plate 101 is iron plate, and drive block 102 is magnet；Alternatively, adsorption plate 101 is magnet, drive block 102 For iron block.

For the friction of the outer rail 120 of realization driving wheel 90, it is preferable that driving wheel 90 includes the drive being articulated on casing Driving wheel ontology 92, and the fixed Anti-slip cover 93 being set in outside driving wheel ontology 92, ensure frictional force by Anti-slip cover 93；This is anti- Sliding sleeve 93 can be the gum cover that rubber sleeve or surface offer anti-skidding cross.

Specifically, driven wheel 110 is also articulated on shell 10；Driven wheel 110 is pivotally connected on the housing 10, and protrudes from shell 10 top surface；Driven wheel 110 is also used to 121 CONTACT WITH FRICTION of bottom surface with outer rail, and is placed in shell 10 with driving wheel 90 Opposite sides, with realize more stably move.

The above embodiment is only the preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto, The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention Claimed range.

Claims

1. curtain electric control driving device, it is characterised in that: including shell, hook, rotating member, tension spring, locking structure, driving wheel and Driving mechanism；The hook is for hanging upside down in external link；The driving wheel pivot joint on the housing, and protrudes from described The top surface of shell；The driving wheel is also used to the bottom surface CONTACT WITH FRICTION with outer rail；The driving mechanism is mounted on the shell On body, and for driving the driving wheel to rotate so that the driving wheel externally guide rail movement；The hook is mounted on described And it can the relatively described shell up and down motion on shell；The both ends of the tension spring connect with the hook and rotating member rotation respectively It connects；The rotating member can be installed on the housing with rotating upwardly and downwardly；The rotating member is used for when being rotated up by described The tension spring linkage hook moves upwards, and is moved downward when rotating down by the tension spring linkage hook；It is described Locking structure is for preventing the relatively described housing into rotation of the rotating member.

2. curtain electric control driving device as described in claim 1, it is characterised in that: the locking structure is described including being fixed on It block piece on shell and is fixed on supporting on the rotating member and touches portion；The rotating member is also used to the linkage when rotating down The lower section that the block piece is moved to the portion of touching；The rotating member can also move in the horizontal direction, and in the horizontal direction Linkage is described when mobile supports portion of touching and the block piece described support that be staggered or link is touched described in portion's face to touching portion；The block piece For being touched with described offset to the portion of touching, to prevent the portion of touching that supports from moving upwards；The tension spring described for being hooked on On external link, and the portion of touching that supports offsets with the block piece in tensional state when touching, so that described support touches portion in tension spring Elastic stress effect under touch the direction of block piece and move to supporting.

3. curtain electric control driving device as claimed in claim 2, it is characterised in that: be fixed on the shell horizontally-supported Part；The rotating member is movably set in the horizontal support member.

4. curtain electric control driving device as claimed in claim 3, it is characterised in that: the horizontal support member includes interval setting Two support rods, one end of the support rod is fixed on the housing, and the other end of the support rod is provided with blocking portion； The rotating member is movably set in outside two support rods；The blocking portion is touched for offseting with the rotating member, to prevent It states rotating member and is detached from the support rod.

5. curtain electric control driving device as described in claim 1, it is characterised in that: the bottom surface of outer rail offer notch to Under slot；Slot externally guide rail extending direction extend；Positioning inserting column, the positioning inserting column are further fixed on the shell It is removably set with positioning sleeve outside；The positioning sleeve is used to match and activity is plugged in the slot of outer rail.

6. curtain electric control driving device as described in claim 1, it is characterised in that: the side of the driving wheel offers vertical cut The rounded groove in face, the central axis of the groove are overlapped with the central axis of the driving wheel；The cell wall of the groove to Direction far from its center is recessed to form limiting slot；The driving mechanism includes adsorption plate, columned drive block, push rod and rotation Rotating motor；The adsorption plate installation is on the housing；The drive block and the adsorption plate magnetic absorption, and be located at described recessed In slot；The body installation of the rotating electric machine is on the housing；The output shaft of the rotating electric machine and push rod transmission connect It connects, and for driving the push rod to rotate；The push rod is used to push the drive block in rotation, makes the drive block to leaning on The direction movement of the nearly groove cell wall, the drive block is pushed in the limiting slot；The groove depth of the limiting slot is small In the radius of the drive block, and the cell wall of limiting slot is arc-shaped.

7. curtain electric control driving device as claimed in claim 6, it is characterised in that: the adsorption plate is iron plate, the transmission Block is magnet.

8. curtain electric control driving device as described in claim 1, it is characterised in that: the driving wheel includes being articulated on casing Driving wheel ontology, and fixation be set in the external Anti-slip cover of the driving wheel sheet.

9. curtain electric control driving device as claimed in claim 8, it is characterised in that: be also articulated with driven wheel on the shell； The driven wheel pivot joint on the housing, and protrudes from the top surface of the shell；The driven wheel is also used to and outer rail Bottom surface CONTACT WITH FRICTION, and the opposite sides for the shell that is placed in the driving wheel.