CN208594857U - Venetian blind - Google Patents

Abstract

The utility model provides a kind of venetian blind, includes upper beam and masking structure, and masking structure is set to below upper beam and includes multiple blades, and blade can be manipulated deflection or opposite upper beam is unfolded or folds.Drive module is immovably set to upper beam and includes power unit.Fm components include that deflection piece and deflection rope group, deflection piece are rotated by outer power drive, to drive deflection rope group actuation to make blade deflection.Tackle system is set in upper beam and includes sliding part and interlock setting with drive module, and the power unit that sliding part is driven module drives and optionally moves back and forth along upper beam long axis direction.Halliard group one end is connected to tackle system, and the other end is fixed in the lower section of masking structure after being pierced by from upper beam, when sliding part is moved back and forth along upper beam long axis direction, drives halliard group that masking structure is driven to be unfolded or fold.

Description

Venetian blind

Technical field

The utility model relates to a kind of venetian blind more particularly to a kind of pulley type venetian blinds of no exposed pulling rod.

Background technique

There is general tradition window curtain exposed operating rope to hang on the outside of curtain for user's operation.Exposed operating rope is asked Topic is, other than for user's operation, is also easy to be contacted by child or infant, cause it occur frequently that child will be exposed Operating rope, which is brought, plays, and causes the dangerous situations such as injured or asphyxia by operating rope winding.Has exposed operation to improve tradition The problem of rope curtain, curtain mostly uses no drawstring kenel now, to prevent child or infant from having an opportunity to contact exposed operating rope, And then increase the safety of curtain, lower accident.

General curtain without stretching wire includes upper beam, masking structure, and masking structure includes curtain and underbeam, and uses bullet mostly Spring box is as driving unit.Such as one kind is disclosed in Chinese Patent Application No. 97109645.7, entitled " clockwork spring driving dress Set " without drawstring blind window.The one louver window unit of patent disclosure comprising head track, base rail and several louvers, driving device are suitable Locality is loaded in head track comprising spring motor and control device.Control device includes that two flexible strands are wound in respectively Two rope drums of driving device, flexible strand from corresponding rope drum extend outwardly after around to base rail, and be fixed to base rail on.

Spring motor then includes output roller, storage roller, and is loaded on output roller respectively, stores roller two sides Two rope drums, spring motor further include that a spring part is operatively connected between output roller and storage roller.

When user catch base rail and towards drop-down when, two flexible strands make respectively corresponding rope drum counterclockwise and clockwise Ground rotation.The intermeshing of each tooth makes on two rope drum gears, idle gear (i.e. storage drum gear) and output roller gear Rope drum gear is mutually drivingly to engage with output gear, so that output gear is rotated along counter-clockwise direction, in base rail Spring part is wound up on output roller when moving downward.

When it is desirable that base rail and louver are drawn high upwards, a upward power is acted on base rail, and the restoring force of spring part makes The spring part is rolled onto again on storage roller, and this wind again is rotated in a clockwise direction output roller, equally rolls output Cylinder gear rotates in same direction, therefore the gear train can make the rope drum gear of two rope drums respectively along clockwise and inverse time Needle direction rotates, thus by two ropes further around on its corresponding rope drum.

The shortcomings that aforementioned structure, is, when curtain folds or is unfolded, since two sides are used to operate the flexibility of louver lifting Rope is independently wound on corresponding rope drum, halliard retracting when, if two sides winding movement have it is any different When causing, or generating irregular overlapping in rope winding process, will lead to be wound retracting rope length it is inconsistent and underbeam is generated Skew, then underbeam cannot keep horizontality, and user also can not swimmingly operate blind window, and curtain is not also beautiful on the whole It sees.

Therefore, push and pull the underbeam of no drawstring blind window smooth, and can keep horizontal when curtain folds or is unfolded State actually needs to overcome the problems, such as at present.

New content

In view of above-mentioned known problem, the purpose of this utility model is to provide a kind of smooth and underbeams of operation to keep It is horizontal without drawstring venetian blind, underbeam is crooked when solving the problems, such as that curtain folds or be unfolded.

For edge to reach above-mentioned purpose, the utility model provides a kind of venetian blind, includes a upper beam and a masking structure, hides Shield structure is set to the lower section of upper beam, and masking structure includes multiple blades, and blade can be with being manipulated axial for axle center with its length And it deflects or opposite upper beam drops down or draw close folds.One drive module is immovably to be set to opposite upper beam Upper beam, and drive module also includes a power unit；One fm components include an at least deflection piece and at least one deflects rope group, and Deflection rope group corresponds to deflection piece setting；An at least deflection piece is set to upper beam, one end of at least one deflection rope group be connected to pair The deflection piece answered, the other end is hung below upper beam so that blade places, and deflection piece can be driven and rotate, right to drive The deflection rope group actuation answered makes blade deflection；One tackle system is set in upper beam, and tackle system include a sliding part and with Drive module interlock setting, the power unit for making sliding part be driven module drive and optionally along the long axis side of upper beam To reciprocating movement；One halliard group one end is connected to tackle system, and the other end is fixed under masking structure after being pierced by from upper beam Side；When sliding part is moved back and forth along the long axis direction of upper beam, halliard group is driven to drive the mounted blade of masking structure or fold.

Preferably, sliding part above-mentioned can be by operatively in moving back and forth in upper beam along a movement routine, and fm components It is not located on movement routine and its extending direction.

Preferably, sliding part above-mentioned can be by operatively in moving back and forth in upper beam along a movement routine, and drive module It is not located on movement routine and its extending direction.

Preferably, upper beam above-mentioned include one first conduit and one second conduit, the first conduit it is adjacent with the second conduit and Along upper beam long axis direction and extend in the same direction；Sliding part is set to the first conduit and can be reciprocal with a movement routine along the first conduit It is mobile, and at least one of fm components and drive module are set to the second conduit.

Preferably, the first conduit above-mentioned has one first bottom surface, the second conduit has one second bottom surface, the first bottom surface and second Bottom surface is located at different height position.

Preferably, the first conduit above-mentioned has one first bottom surface, the second conduit has one second bottom surface, the first bottom surface and second Bottom surface is located at identical height and position.

Preferably, halliard group above-mentioned drives the distance of masking structure lifting relative to sliding part in upper beam outside in upper beam Interior moved stroke is 3 to 8 times.

Preferably, halliard group above-mentioned includes drawstring and a rear-pulling rope before one, preceding drawstring pile warp masking structure front side, after On rear side of drawstring pile warp masking structure；Sliding part includes one first winding section and one second winding section, preceding the first coiling of drawstring pile warp Portion, the second winding section of rear-pulling rope pile warp.

Preferably, the first winding section above-mentioned includes rolling member before at least two, rolled before preceding drawstring pile warp at least two Moving part, and before at least two rolling member circle diameter it is different, the preceding drawstring of pile warp thereon is extended in the same direction but not mutually Interference.

Preferably, the second winding section above-mentioned includes rolling member after at least two, rolled after rear-pulling rope pile warp at least two Moving part, and after at least two rolling member circle diameter it is different, the rear-pulling rope of pile warp thereon is extended in the same direction but not mutually Interference.

Preferably, tackle system above-mentioned includes that positioning piece is correspondingly arranged with sliding part, locating piece is not with respect to upper beam It is movably disposed, and one end of halliard group is consolidated in one of locating piece and sliding part, and pile warp locating piece and cunning Moving part it is wherein another or both.

Preferably, the circle number of halliard group pile warp tackle system above-mentioned is 1.5 to 4 circles.

Preferably, venetian blind above-mentioned also includes a transmission rope, and drive module also includes a bull wheel and power list Member interlocks setting；Transmission rope one end connects bull wheel, and the other end is connected to sliding part after being pierced by drive module；When masking structure by When manipulating and being unfolded, sliding part is moved with the pulling of halliard group, and transmission rope is released from bull wheel；When masking structure is grasped When controlling and folding, bull wheel is turned by power unit and furls transmission rope, to drive sliding part mobile towards opposite direction.

Preferably, venetian blind above-mentioned also includes a diverter, diverter be immovably set to upper beam and with sliding After part is correspondingly arranged, and transmission rope is pierced by drive module and pile warp diverter, it is connected to sliding part.

Preferably, the power unit of drive module above-mentioned includes a scroll spring, a driving wheel and a storage spring wheel, scrollwork Spring is connected between driving wheel and storage spring wheel, and bull wheel and driving wheel interlock and be arranged, and can be driven driving wheel and be turned.

Preferably, bull wheel above-mentioned has one first fluted disc, driving wheel has one second fluted disc, the first fluted disc and the second fluted disc Engagement, so that bull wheel actuation synchronous with driving wheel.

Preferably, bull wheel above-mentioned is the taper wheel body taking turns the circle diameter of body and substantially configuring from small to large, when masking is tied Structure since drawn close completely with respect to upper beam fold and drops down when, transmission rope is released since the lesser one end of rope rolling wheel rim diameter Out.

Preferably, scroll spring above-mentioned is a variable force spring, fold from being drawn close completely with respect to upper beam when masking structure and When drops down, the elastic force of variable force spring output changes from large to small.

Preferably, the quantity of an at least deflection piece above-mentioned is equal to or more than two, and drive module setting is in wherein any Between two deflection pieces.

From the above, the effect of the utility model is, to restrict body when being furled and being released using tackle system, two The halliard group of side is pulled equal length simultaneously, therefore when curtain folds or is unfolded, it can reach underbeam and keep horizontality Purpose, and increase the operation smoothness of curtain and overall beautiful.

Detailed description of the invention

Fig. 1 is the perspective view of the venetian blind of the first preferred embodiment of the utility model.

The exploded perspective view of upper beam internal mechanism and the configuration of halliard group that Fig. 2 is Fig. 1.

The side elevation view of upper beam internal mechanism and the configuration of halliard group that Fig. 3 is Fig. 1.

Fig. 4 is the perspective view of the tackle system of Fig. 2.

Fig. 5 is the exploded perspective view of the sliding part of Fig. 4.

Fig. 6 is the exploded perspective view of the locating piece of Fig. 4.

Fig. 7 is the exploded perspective view of the drive module of the utility model.

Fig. 8 is the perspective view of the fm components of the utility model.

Fig. 9 is the upper beam internal mechanism of the second preferred embodiment of the utility model and the exploded perspective of halliard group configuration Figure.

The front view of upper beam internal mechanism and the configuration of halliard group that Figure 10 is Fig. 9.

Figure 11 is the perspective view of the venetian blind of the utility model third preferred embodiment.

The exploded perspective view of upper beam internal mechanism and the configuration of halliard group that Figure 12 is Figure 11.

The front view of upper beam internal mechanism and the configuration of halliard group that Figure 13 is Figure 11.

Figure 14 is the perspective view of the tackle system of Figure 12.

Figure 15 is the exploded perspective view of the sliding part of Figure 14.

Figure 16 is the exploded perspective view of the locating piece of Figure 14.

Figure 17 is the cross section view of the upper beam of Figure 13 and its direction X-X of internal mechanism.

Appended drawing reference is as follows:

1,1 " venetian blind

10,10', 10 " upper beams

11,11', 11 " first conduits

111,111', 111 " first bottom surfaces

111T " T-type fin

12,12', 12 " second conduits

121,121', 121 " second bottom surfaces

20 masking structures

20a blade

20b underbeam

30,30 " tackle system

31,31 " sliding part

311 first ends

312 the second ends

313 winding sections

The first rolling member of 313a

The second rolling member of 313b

313c third rolling member

314 " first winding sections

Rolling member before 314a ", 314b ", 314c "

315 " second winding sections

315a ", 315b ", 315c " rolling member afterwards

316 " interconnecting pieces

316S " slit

32,32 " locating piece

321 attachment bases

322 bobbin winder bases

The first rotating member of 322a

The second rotating member of 322b

322c third rotating member

323 " first bobbin winder bases

Rotating member before 323a ", 323b ", 323c "

324 " second bobbin winder bases

324a ", 324b ", 324c " rotating member afterwards

D movement routine

D1, d2 move endpoint

40,40 " halliard group

Drawstring before 41 "

42 " rear-pulling ropes

50 drive modules

51 power units

511 driving wheels

5111 second fluted discs

512 storage spring wheels

513 scroll springs

52 bull wheels

521 first fluted discs

60 transmission ropes

70 fm components

71 deflection pieces

711 fixed cores

712 fixing seats

72 deflection rope groups

73 interlocking levers

74 frequency modulation units

80 diverters

81 idler wheels

Specific embodiment

For that can be illustrated more clearly that the utility model, now lifts preferred embodiment and cooperate attached drawing detailed description is as follows.It please join It is first preferred embodiment of the utility model shown in Fig. 1 to Fig. 8.The venetian blind 1 of the utility model, include upper beam 10, Masking structure 20, tackle system 30, halliard group 40, drive module 50, transmission rope 60 and fm components 70.Masking structure 20 is set It is placed in 10 lower section of upper beam and includes multiple blade 20a and underbeam 20b, underbeam 20b at the blade 20a farthest away from upper beam 10 Side, but it is understood that, underbeam 20b non-is necessary component, also the blade of 20 lowermost end of masking structure can be considered as underbeam.This In embodiment, as shown in Fig. 2, upper beam 10 has the first conduit 11 and the second conduit 12, the first conduit 11 and the second conduit 12 compare It is adjacent and set, and the two extends each along the long axis direction of upper beam 10；Wherein, the first conduit 11 has the first bottom surface 111, the second conduit 12 tool the second bottom surfaces 121, and the high settings such as the first bottom surface 111 and the second bottom surface 121 and be it is coplanar, make the first conduit 11 and second Conduit 12 is configured in venetian blind 1 in front and back.

Tackle system 30 is set in the first conduit 11 of upper beam 10, this tackle system 30 includes sliding part 31 and locating piece 32, locating piece 32 is installed in the first conduit 11 in a non-movable manner, and sliding part 31 is then set in a movable manner It in one conduit 11, move back and forth sliding part 31 can along the long axis direction of upper beam 10 with a movement routine D by operatively, and can Close to or far from locating piece 32；The movement routine D for further illustrating sliding part 31, as shown in figure 3, the movement routine of sliding part 31 D moves back and forth Shi Suojing route towards or away from locating piece 32 along upper beam long axis direction for sliding part 31, and this route has Two-end-point d1, d2, one be close to locating piece 32 mobile endpoint d1 and it is another be remotely located part 32 mobile endpoint d2, change Sentence is talked about, that is, moving between endpoint d1 and mobile endpoint d2 is movement routine D, and the extending direction of movement routine D are as follows: shifting of postponing Dynamic path D, from the mobile endpoint d1 close to locating piece 32 towards the first extending direction of locating piece 32, and from remotely located part 32 mobile endpoint d2 deviates from the second extending direction of locating piece 32.Furthermore as shown in Figures 4 to 6, illustrate sliding part 31 And the construction of locating piece 32: sliding part 31 is comprising first end 311, the second end 312 and is located at first end 311 and second end Winding section 313 between portion 312, winding section 313 are further sequentially provided with the first rolling member 313a, the second rolling member 313b And third rolling member 313c, and the circle diameter of the first rolling member 313a is greater than the circle diameter of the second rolling member 313b, the second rolling member The circle diameter of 313b is greater than the circle diameter of third rolling member 313c；Locating piece 32 includes attachment base 321 and bobbin winder base 322, bobbin winder base 322 Further the first rotating member 322a, the second rotating member are sequentially provided with 313 mirror symmetry of winding section of sliding part 31 322b and third rotating member 322c, and the circle diameter of the first rotating member 322a is greater than the circle diameter of the second rotating member 322b, the second rotation The circle diameter of part 322b is greater than the circle diameter of third rotating member 322c.

The first end 311 of sliding part 31 is arranged in face of locating piece 32, and the second end 312 is then located at first end 311 Opposite side；The rolling member of the halliard group 40 section pile warp sliding parts 31 in upper beam 10 and the rotating member of locating piece 32, And one end is consolidated in the first end 311 of sliding part 31, but not limited to this, according to the demand of assembling or design, halliard 40 one end in upper beam 10 of group can also be consolidated in locating piece 32, the other end of halliard group 40 then in pile warp sliding part 31 and It is pierced by after locating piece 32 from upper beam 10, and is fixed in the underbeam 20b of masking structure 20.In the present embodiment, halliard group 40 One end be consolidated in the first end 311 of sliding part 31 after, the first rotating member 322a of first pile warp locating piece 32, further around through first Rolling member 313a, this is 1 circle, then sequentially the second rotating member of pile warp 322b, the second rolling member 313b, third rotating member again 322c, pile warp 2.5 is pierced by downwards from upper beam 10 and is consolidated in underbeam 20b after enclosing altogether, and passes through each rolling member and each rotating member It is different to enclose diameter, the halliard group 40 of pile warp thereon is allowed to extend in the same direction but not interfere.Though it is understood that originally Halliard group 40 sequentially each rotating member of pile warp and each rolling member are disclosed in embodiment, but not to be limited, 40 one end of halliard group exists Sliding part 31 and locating piece 32 are consolidated in after one of them, if pile warp another one or back and forth both pile warps, and pile warp back and forth Number is enclosed, it can be depending on demand cooperation masking structure integrally hangs down length and sliding part stroke.Preferably, 40 pile warp coaster of halliard group The circle number of system 30 can be 1.5 to 4 circles, i.e., halliard group 40 is in the distance for driving masking structure 20 to go up and down outside upper beam 10 (under i.e. Beam 20b mobile distance) opposite sliding part 31 in the stroke moved in upper beam 10 be 3 to 8 times；It is noted that when hiding Shield structure 20 is whole when hanging down longer, and the required rope length by folding and unfolding is longer, and it will be understood that masking structure 20 weight also phase It is heavier over the ground, under the premise of the stroke of sliding part 31 is constant, the circle number of 40 pile warp tackle system 30 of halliard group also need it is more, The rope length gone up and down needed for can corresponding to；And enclose number it is more while, i.e., halliard group 40 pass through rotating member and rolling member it is more, And can provide the frictional resistance of halliard group more than 40 so that masking structure 20 without operation external force intervention when, halliard group 40 Suffered frictional resistance and masking structure 20 is applied to the gravity of halliard group 40 and drive module 50 provides halliard group 40 Pulling force can cancel out each other or balance, and the more long and heavy power of vertical length of masking structure 20 is bigger, mentions needed for drive module 50 The pulling force of confession is bigger, and frictional force corresponding to its halliard group 40 is also bigger, so that needed for masking structure 20 can be parked in Position.

Fig. 2 to Fig. 3 is please referred to again, and drive module 50 is immovably installed in the second conduit 12 of upper beam 10, and such as Shown in Fig. 7, drive module 50 includes power unit 51 and bull wheel 52, and bull wheel 52 is linkedly to set with power unit 51 It sets；In the present embodiment, power unit 51 includes driving wheel 511, storage spring wheel 512 and scroll spring 513, and scroll spring 513 connects It is connected between driving wheel 511 and storage spring wheel 512,52 lower end of bull wheel has the first fluted disc 521, and 511 lower end of driving wheel has the Two fluted discs 5111, and the first fluted disc 521 of bull wheel 52 is engaged with the second fluted disc 5111 of driving wheel 511, is thus obtained so that volume Rope sheave 52 and driving wheel 511 are linkedly arranged and mutually transmission.Wherein, 513 one end of scroll spring is located at storage spring wheel 512, another End is fixed in driving wheel 511, with driving wheel 511 and stores up spring wheel 512 in masking structure 20 by operation drops down or upward receipts When closing and switching steering, scroll spring 513 can be furled correspondingly on driving wheel 511 or storage spring wheel 512；In the present embodiment, Bull wheel 52 is that a wheel body is up-narrow and down-wide and enclose the taper wheel body that substantially configures from small to large of diameter, can be manipulated and generate forward direction The rotation of (clockwise) or reversed (counterclockwise), wheel face are equipped with the wire casing of coiled coil, close to the bottom end of great circle diameter equipped with the One fluted disc 521, and further, wheel body, further up with the extension of right cylinder shape, makes the profile of its side view similar to one at most narrow place Inverted funnel-form, but not limited to this；It also can be that inclination tapered cone or cone body portion are in curved surface for entirety Cone structure, or the wheel body for the constant straight-tube shape of circle diameter；In addition, the vertical length or weight change of view masking structure 20 And the conditions such as shape of bull wheel 52, scroll spring 513 can be variable force spring or constant force spring.

Drive module 50 is connect by a transmission rope 60 with tackle system 30, and 60 one end of transmission rope is connected to bull wheel 52 simultaneously It can wind thereon, the other end is pierced by the second end 312 that sliding part 31 is connected to after drive module 50；When sliding part 31 is along shifting When dynamic path D is leaned on towards the shifting of locating piece 32, transmission rope 60 is released from bull wheel 52, and when sliding part 31 is along movement routine D direction When the direction of remotely located part 32 is mobile, transmission rope 60 is gradually furled in bull wheel 52, is thus configured, and is made tackle system 30 and is driven Dynamic model block 50 synchronizes actuation.

Fig. 2, Fig. 3 and Fig. 8 are please referred to again, fm components 70 are also immovably installed in the second conduit 12 of upper beam 10, It includes two deflection pieces 71, two deflections rope group 72, interlocking lever 73 and frequency modulation units 74, two deflection pieces 71 are spaced a distance Ground setting, and drive module 50 is set between two deflection pieces 71, each rope group 72 that deflects is connected to corresponding deflection On part 71, interlocking lever 73 wears two deflection pieces 71, and one end of interlocking lever 73 is connect with frequency modulation unit 74 by frequency modulation unit 74 are turned.Wherein, deflection piece 71 includes fixed core 711 and fixing seat 712, and fixing seat 712 is fixedly arranged in the second conduit 12, and Fixed core 711 is hubbed at turnablely in fixing seat 712, and interlocking lever 73 wears two fixed cores 711, each deflection rope group 72 One end is connected to corresponding fixed core 711, and the other end hangs on 10 lower section of upper beam so that blade 20a is placed；Work as frequency modulation When the operating side that unit 74 protrudes from 10 front of upper beam is driven interlocking lever 73 to rotate by operation, two fixed cores 711 are interlocked Bar 73 drives and rotates synchronously, to drive corresponding 72 actuation of deflection rope group to deflect blade 20a.Wherein, frequency modulation unit 74 Mechanism with movable vane piece 20a deflection is the prior art, does not repeat its configuration and actuation details separately herein.

In addition, in the present embodiment, since sliding part 31 and drive module 50 distinguish position in the first conduit 11 and the second slot Road 12 therebetween by the barrier of cell wall, therefore can be equipped with a diverter 80 further with the steering of accessory drive rope 60.? In the present embodiment, diverter 80 is immovably set in upper beam 10, and be embedded at the first conduit 11 and the second conduit 12 it Between cell wall and the first conduit 11 and the second conduit 12 can be connected to, and this diverter 80 include an at least idler wheel 81, with sliding part 31 are correspondingly arranged, and transmission rope 60 is pierced by rear pile warp idler wheel 81 from drive module 50 and turns to, and are then connected to sliding part 31, avoid passing Running rope 60 is worn by cell wall when turning to across cell wall between the first conduit 11 and the second conduit 12 and is fluffed or fracture, and is mentioned Rise the mobile smooth degree of transmission rope 60.It is understood that the idler wheel 81 in diverter 80, also can be used relative to upper beam 10 not It is able to rotate but bolt that surface is smooth replaces, equally can achieve the effect of turning to transmission rope without wearing, only bolt and pass Generated frictional force is big compared to rotatable idler wheel 81 between running rope.

Illustrate the mode of operation of the utility model venetian blind 1 below: when wanting for masking structure 20 to be unfolded, user one Hand catches the underbeam 20b of masking structure 20 to move down, at this point, halliard group 40 is driven by underbeam 20b, and then pulls sliding Part 31 is moved along the first conduit 11 towards the direction close to locating piece 32, meanwhile, transmission rope 60 is pulled and oneself by sliding part 31 Bull wheel 52 releases corresponding length, and bull wheel 52 turns driving wheel 511 while releasing transmission rope 60, and by scrollwork bullet Spring 513 is wound on driving wheel 511 with energy accumulation；When wanting to fold masking structure 20, user pushes up masking The underbeam 20b of structure 20 is moved it up, at this point, the elastic-restoring force of scroll spring 513 drives driving wheel 511 towards opposite Direction rotation furls scroll spring 513 gradually on storage spring wheel 512, at the same driving wheel 511 turn bull wheel 52 and will transmission Rope 60 furls corresponding length thereon, to drive sliding part 31 to move along the direction that the first conduit 11 is directed away from locating piece 32 It is dynamic.Wherein, when masking structure 20 since drawn close completely with respect to upper beam 10 fold and during drops down, masking structure 20 Effective gravity corresponding to halliard group 40 is gradually become smaller by maximum, that is, gradually from the pulling force of 20 gravity of masking structure It reduces；Therefore, according to the cone cell wheel body of such as the present embodiment as bull wheel 52, during 20 drops down of masking structure, Transmission rope 60 is released enclosing the lesser one end of diameter since bull wheel 52, eventually until enclosing the biggish one end of diameter；If scrollwork bullet Spring 513 uses variable force spring, and bull wheel 52 can be right cylinder shape, then the elastic force of variable force spring output should change from large to small with correspondence The variation of the effective gravity of masking structure 20；It is understood that the kenel of aforementioned bull wheel 52 or the kind of scroll spring 513 Class answers visual effective gravity variable quantity modulation, also can both adopt tapered bull wheel simultaneously while use variable force spring for it, or adopt it Needed for he is combined to meet.

It please join shown in Fig. 9 to Figure 10, be the upper beam system of the second preferred embodiment of the utility model, can be applied to similar figure 1 venetian blind 1.The upper beam system of the present embodiment equally has the tackle system 30 roughly the same with first embodiment, halliard Group 40, drive module 50, transmission rope 60 and fm components 70, difference are the structure and aforementioned reality of the upper beam 10' of the present embodiment The upper beam 10 for applying example is different.In the present embodiment, upper beam 10' has the first conduit 11' and the second conduit 12', the first conduit 11' With the first bottom surface 111', the second conduit 12' has the second bottom surface 121', wherein the first bottom surface 111' is located at the second bottom surface 121' Lower section, and the second bottom surface 121' is to be formed by supporting surface at the top of the support frame to be jumped upwards by the first bottom surface 111', i.e., First bottom surface 111' and the second bottom surface 121' is the high settings such as not so that the first conduit 11' and the second conduit 12' in venetian blind 1 in configuration up and down；Wherein, tackle system 30 is set in the first conduit 11', and drive module 50 and fm components 70 are set to the Two conduit 12', and drive module 50 is set between two deflection pieces 71 of fm components 70.It is worth noting that the second bottom Face 121' is not limited with the complete plane as disclosed in figure, can also be formed by the top by the multiple support frames continuously discharged Region with enabling capabilities or other structures, as long as element needed for the supporting surface or supporting zone are sustainable.

In addition, the present embodiment also has the diverter 80 roughly the same with first embodiment, for 60 turns of accessory drive rope To diverter 80 is set to the cell wall between the first conduit 11' and the second conduit 12' to be connected to the first conduit 11' and the second slot Road 12'.And the present embodiment makees flowing mode and first embodiment and indifference applied to venetian blind 1, tackle system 30 is equally logical It crosses halliard group 40 and transmission rope 60 is connect with masking structure 20 and drive module 50 respectively, and work as the sliding part of tackle system 30 31 along the first conduit 11' towards the direction close to locating piece 32 when moving, and halliard group 40 drives masking structure 20 to make its exhibition It opens, while transmission rope 60 is pulled by sliding part 31 and released from drive module 50, when sliding part 31 is along the first conduit 11' direction When the direction of remotely located part 32 is mobile, halliard group 40 drives masking structure 20 to fold it, while transmission rope 60 is driven Module 50 furls.

It please join shown in Figure 11 to Figure 17, third preferred embodiment and its applicable blinds for the utility model upper beam system Curtain 1 ", the upper beam system of the present embodiment include the drive module 50 roughly the same with first embodiment, transmission rope 60 and frequency modulation group Part 70, difference are that the structure of the upper beam 10 " of the present embodiment is different from the upper beam 10 of first embodiment, and tackle system 30 " and The halliard group 40 " being correspondingly arranged with tackle system 30 " is not also identical.In the present embodiment, as shown in Figure 12 and Figure 17, upper beam 10 " have the first conduit 11 " and the second conduit 12 ", and the first conduit 11 " has the first bottom surface 111 ", and the second conduit 12 " has the Two bottom surfaces 121 ", wherein the first bottom surface 111 " is located at the lower section of the second bottom surface 121 ", and the first bottom surface 111 " protrudes upward an edge T-type the fin 111T ", this T-type fin 111T " that the long axis direction of upper beam 10 " extends include one to prolong along the long axis direction of upper beam 10 " It stretches and the perpendicular long panel type rib for erectting configuration, and horizontal horizontal another long panel type rib again above the long panel type rib of setting Item is allowed to form the elongated structure of side view likeness in form T word；And the second bottom surface 121 " is facing from the forward and backward side wall of upper beam 10 " A horizontal extension plane outstanding on the inside of beam upwardly, be suspended on 111 " top of the first bottom surface.

Tackle system 30 " is set in the first conduit 11 " and includes sliding part 31 " and locating piece 32 ", 31 " phase of sliding part Sliding part 31 compared with first embodiment further also includes the first winding section 314 " and the second winding section 315 ", wherein first Winding section 314 " has multiple preceding rolling member 314a ", 314b ", 314c ", and multiple preceding rolling member 314a ", 314b ", 314c " are according to circle Diameter sequential, rolling member 315a ", 315b ", 315c " after the second winding section 315 " tool is multiple, and multiple rear rollings from large to small Part 315a ", 315b ", 315c " are also according to circle diameter sequential from large to small；The bottom of sliding part 31 " also has an interconnecting piece 316 ", interconnecting piece 316 " has slit 316S " and the long panel type rib for the setting of T-type fin 111T " is worn, and passes through T The horizontal long panel type rib of type fin 111T " fastens the slit 316S " in interconnecting piece 316 ", catches on interconnecting piece 316 " T-type fin 111T ", then sliding part 31 " can be connected through portion 316 " and reciprocally move along T-type fin 111T ".Locating piece 32 " the locating pieces 32 for comparing first embodiment further include the first bobbin winder base 323 " and the second bobbin winder base 324 ", wherein First bobbin winder base 323 " has multiple preceding rotating member 323a ", 323b ", 323c ", and multiple preceding rotating member 323a ", 323b ", 323c " According to circle diameter sequential from large to small, rotating member 324a ", 324b ", 324c " after the second bobbin winder base 324 " tool is multiple, and it is multiple after Rotating member 324a ", 324b ", 324c " are according to circle diameter sequential from large to small.In the present embodiment, the first of sliding part 31 " around Multiple preceding rolling member 314a ", 314b ", 314c " and multiple rear rolling member 315a " of the second winding section 315 " in line portion 314 ", 315b ", 315c ", circle diameter arrange from right to left and from large to small, and the first bobbin winder base 323 " of locating piece 32 " it is multiple before Rotating member 323a ", 323b ", 323c " and the second bobbin winder base 324 " it is multiple after rotating member 324a ", 324b ", 324c " then by a left side It arranges to the right and from large to small, multiple preceding rolling member 314a ", 314b ", 314c " and the second coiling with the first winding section 314 " Multiple rear rolling member 315a ", 315b ", the 315c " in portion 315 " are arranged while symmetrical and mirror image is presented.

As seen in figures 11 and 14, halliard group 40 " includes preceding drawstring 41 " and rear-pulling rope 42 "；Preceding drawstring 41 " is from masking It simultaneously penetrates in upper beam 10 " on front side of the upward pile warp blade 20a of the underbeam 20b of structure 20, and sequentially the first bobbin winder base 323 " of pile warp Preceding rotating member and the preceding rolling member of the first winding section 314 " are then fixed on sliding part 31 ", and pass through each rolling member and each rotation The circle diameter of part is different, so that the preceding drawstring 41 " of pile warp thereon can be extended in the same direction but not be interfered.Rear-pulling rope 42 " is from screening It on rear side of the upward pile warp blade 20a of the underbeam 20b of shield structure 20 and penetrates in upper beam 10 ", and sequentially the second bobbin winder base 324 " of pile warp Rear rotating member and the second winding section 315 " rear rolling member, be then fixed on sliding part 31 ", and pass through each rolling member and each turn The circle diameter of moving part is different, so that the rear-pulling rope 42 " of pile warp thereon can be extended in the same direction but not be interfered.It is understood that It is though that, drawstring 41 " sequentially rotating member and preceding rolling member before pile warp before disclosing in the present embodiment, rear-pulling rope 42 " sequentially turns after pile warp Moving part and rear rolling member, but not limited to this, forward and backward drawstring also can only the forward and backward rolling member of pile warp without the forward and backward rotation of pile warp Part, even the number of the circle number or forward and backward rolling member and forward and backward rotating member of pile warp, visual demand cooperation masking are tied back and forth Structure integrally hangs down depending on length and sliding part stroke.Preferably, the circle number of 40 " pile warp tackle system 30 " of halliard group can be 1.5 to 4 The distance that circle and 40 " Yu Shangliang 10 " of halliard group drive masking structure 20 to go up and down outside is with respect to institute in 31 " Yu Shangliang 10 " of sliding part Mobile stroke is 3 to 8 times.

Furthermore as shown in FIG. 12 and 13, fm components 70 are set to the second conduit 12 ", and drive module 50 is then set to In first conduit 11 " and it is located at except the movement routine D of sliding part 31 ", as shown in figure 13, drive module 50 in mobile endpoint Between d2 and the 10 " end of upper beam of neighbouring mobile endpoint d2, the movement routine D without interfering sliding part 31 ".Transmission rope 60 then connects It is connected between sliding part 31 " and drive module 50.

Illustrate that the flowing mode of making of the venetian blind 1 " of the present embodiment, tackle system 30 " pass through halliard group 40 " and transmission below Rope 60 is connect with masking structure 20 and drive module 50 respectively, and when wanting for venetian blind 1 " to be unfolded, user catches screening on the other hand The underbeam 20b of shield structure 20 is moved down, and halliard group 40 " is driven by underbeam 20b at this time, and then pulls 31 " edge of sliding part The first conduit 11 " towards mobile close to the direction of locating piece 32 ", while transmission rope 60 is pulled by sliding part 31 " and is driven certainly Module 50 is released；When wanting to fold venetian blind 1 ", the upper underbeam 20b for pushing away masking structure 20 of user is moved it up, Drive module 50 furls transmission rope 60 at this time, so that sliding part 31 " be driven to be directed away from locating piece along the first conduit 11 " 32 " direction is mobile, while masking structure 20 is driven and folded upwards by halliard group 40 ".

It is worth noting that in the present invention, being moved back and forth due to the sliding part of tackle system in the first conduit The stroke length of movement routine and hanging down with close relationship for masking structure, therefore in above-mentioned first, second embodiment, it is public Drive module setting is opened between two deflection pieces in the second conduit and positioned at fm components, it is therefore intended that make drive module not It can be located at without the actuation for interfering sliding part in the movement routine and its extending direction of sliding part, so that the stroke of sliding part is long Degree can extend as much as possible；It is understood, therefore, that drive module is also settable under the premise of upper beam space is enough Between deflection piece and the upper beam end of neighbouring deflection piece.Alternatively, drive module also may be disposed at the first slot where sliding part In road, as long as drive module frame height is located above the movement routine of sliding part, identical purpose also can reach；Or Under the premise of the stroke length of sliding part is matched with the vertical length of masking structure enough, drive module also may be disposed at sliding part institute The first conduit in, and except two mobile endpoints for being set to sliding part, as disclosed in 3rd embodiment, if on There are enough spaces that the sliding part of tackle system is allowed to constitute movement routine to drive curtain to be unfolded or fold, such in beam Configuring lower drive module will not equally be located in the movement routine of sliding part without the actuation of interference sliding part；As a result, by upper Technical solution is stated, so that each component is limited in will not the be masked vertical length of structure of the configuration in upper beam, and provides a kind of operation Smooth, underbeam can keep horizontal no drawstring venetian blind.

The foregoing is merely the preferable possible embodiments of the utility model, all specifications and power using the utility model Equivalence changes carried out by benefit requirement ought to be included in the scope of the patents of the utility model.

Claims (19)

1. a kind of venetian blind, includes a upper beam and a masking structure, which is set to the lower section of the upper beam, and the screening Shield structure includes multiple blades, and multiple blades can deflect or relatively on this with being manipulated with its length is axial for axle center Beam drops down or draw close folds, it is characterised in that:

One drive module is immovably to be set to the upper beam, and the drive module includes a power list with the opposite upper beam Member；

One fm components, comprising an at least deflection piece and at least one deflection rope group, and the deflection rope group corresponds to deflection piece setting； At least a deflection piece is set to the upper beam for this, and one end of at least one deflection rope group is connected to the corresponding deflection piece, another End is hung below the upper beam so that multiple blades place, and the deflection piece can be driven and rotate, corresponding to driving The deflection rope group actuation make multiple blade deflections；

One tackle system is set in the upper beam, and the tackle system includes a sliding part and interlocks setting with the drive module, It drives the sliding part by the power unit of the drive module and is optionally back and forth moved along the long axis direction of the upper beam It is dynamic；

One halliard group, one end are connected to the tackle system, and the other end is fixed under the masking structure after being pierced by from the upper beam Side；When the sliding part is moved back and forth along the long axis direction of the upper beam, the halliard group is driven to drive multiple institutes of the masking structure It states mounted blade or folds.

2. venetian blind as described in claim 1, it is characterised in that: the sliding part can be by operatively in moving in the upper beam along one Path moves back and forth, and the fm components are not located on the movement routine and its extending direction.

3. venetian blind as described in claim 1, it is characterised in that: the sliding part can be by operatively in moving in the upper beam along one Path moves back and forth, and the drive module is not located on the movement routine and its extending direction.

4. venetian blind as described in claim 1, it is characterised in that: the upper beam includes one first conduit and one second conduit, is somebody's turn to do Adjacent with the second conduit and long axis direction along the upper beam of first conduit and extend in the same direction；The sliding part is set to first slot Road and can be moved back and forth along first conduit with a movement routine, and at least one of the fm components and the drive module It is set to second conduit.

5. venetian blind as claimed in claim 4, it is characterised in that: first conduit has one first bottom surface, second conduit tool One second bottom surface, first bottom surface and second bottom surface are located at different height position.

6. venetian blind as claimed in claim 4, it is characterised in that: first conduit has one first bottom surface, second conduit tool One second bottom surface, first bottom surface are located at identical height and position with second bottom surface.

7. venetian blind as described in claim 1, it is characterised in that: the halliard group drives the masking structure liter in the upper beam outside The distance of drop relative to the sliding part in the stroke moved in the upper beam be 3 to 8 times.

8. venetian blind as described in claim 1, it is characterised in that: the halliard group includes drawstring and a rear-pulling rope before one, should On front side of preceding drawstring pile warp masking structure, the rear-pulling rope pile warp masking structure rear side；The sliding part includes one first winding section And one second winding section, preceding drawstring pile warp first winding section, the rear-pulling rope pile warp second winding section.

9. venetian blind as claimed in claim 8, it is characterised in that: first winding section contains at least two preceding rolling member, should Preceding drawstring pile warp rolling member before at least two, and the circle diameter of the rolling member before at least two is different so that pile warp thereon should Preceding drawstring can be extended in the same direction but not be interfered.

10. venetian blind as claimed in claim 9, it is characterised in that: second winding section contains at least two rear rolling member, should Rear-pulling rope pile warp rolling member after at least two, and the circle diameter of the rolling member after at least two is different so that pile warp thereon should Rear-pulling rope can be extended in the same direction but not be interfered.

11. venetian blind as described in claim 1, it is characterised in that: the tackle system includes positioning piece and the sliding part pair Should be arranged, the locating piece with respect to the upper beam be immovably be arranged, and one end of the halliard group be consolidated in the locating piece and One of the sliding part, and the pile warp locating piece and the sliding part is wherein another or both.

12. venetian blind as claimed in claim 11, it is characterised in that: the circle number of the halliard group pile warp tackle system is 1.5 to 4 circles.

13. venetian blind as described in claim 1, it is characterised in that: the venetian blind also includes a transmission rope, and the drive module It also include that a bull wheel and the power unit interlock and be arranged；The transmission rope one end connects the bull wheel, and the other end is pierced by the drive The sliding part is connected to after dynamic model block；When the masking structure is manipulated and is unfolded, the sliding part with the halliard group pulling And it moves, and the transmission rope is released from the bull wheel；When the masking structure is manipulated and folds, the bull wheel is by the power list Member turns and furls the transmission rope, to drive the sliding part mobile towards opposite direction.

14. venetian blind as claimed in claim 13, it is characterised in that: the venetian blind also includes a diverter, and the diverter is not It is movably arranged at the upper beam and is correspondingly arranged with the sliding part, and the transmission rope is pierced by the drive module simultaneously pile warp steering After device, it is connected to the sliding part.

15. venetian blind as claimed in claim 13, it is characterised in that: the power unit of the drive module unit includes a whirlpool Coil spring, a driving wheel and a storage spring wheel, which is connected between the driving wheel and the storage spring wheel, and the bull wheel with The driving wheel interlocks setting, and can be turned by the driving wheel.

16. venetian blind as claimed in claim 15, it is characterised in that: the bull wheel has one first fluted disc, driving wheel tool one Second fluted disc, first fluted disc are engaged with second fluted disc, so that bull wheel actuation synchronous with the driving wheel.

17. venetian blind as claimed in claim 16, it is characterised in that: the bull wheel be take turns body circle diameter substantially from small to large The taper wheel body of configuration, when the masking structure since drawn close completely with respect to the upper beam fold and drops down when, the transmission rope It releases since the lesser one end of rope rolling wheel rim diameter.

18. venetian blind as claimed in claim 16, it is characterised in that: the scroll spring is a variable force spring, when the masking knot Structure folds when drops down from drawing close completely with respect to the upper beam, and the elastic force of variable force spring output changes from large to small.

19. venetian blind as described in claim 1, it is characterised in that: the quantity of an at least deflection piece be equal to or more than two, and The drive module setting is between any two of them deflection piece.