CN103284572A

CN103284572A - Curtain and control module thereof

Info

Publication number: CN103284572A
Application number: CN2012100420954A
Authority: CN
Inventors: 游福来; 黄清添
Original assignee: DEYOU Co Ltd
Current assignee: DEYOU Co Ltd; Teh Yor Co Ltd
Priority date: 2012-02-23
Filing date: 2012-02-23
Publication date: 2013-09-11
Anticipated expiration: 2032-02-23
Also published as: CN105569541A; HK1220749A1; CN105569541B; CN103284572B; HK1186940A1

Abstract

The invention discloses a control module of a curtain. The control module comprises a driving shaft, a sleeve, a brake component and an unlocking component, wherein the sleeve is fixed with the driving shaft; the brake component is arranged on the periphery of the driving shaft; the brake component prevents the sleeve and the driving shaft from rotating when in a locked state, so that a plurality of curtain sheets of the curtain are locked in positions; when the brake component is in an unlocked state, the sleeve and the driving shaft are allowed to rotate, so that the plurality of the curtain sheets of the curtain descends through the gravity of the curtain sheets; and the unlocking component comprises an operation component which is a long body descending vertically and connected with the brake component, and the operation component can rotate around a long shaft of the operation component, so that the brake component can be converted from the locked state to the unlocked state.

Description

Curtain and control module thereof

[technical field]

The present invention is about a kind of curtain, and curtain has a control module, and the driving shaft that sees through control module and curtain interconnects the curtain sheet of the curtain that can rise or descend.

[prior art]

The curtain sheet of curtain has numerous species, for example blind sheet, Roman shade sheet, and cellular curtain sheet.When falling the curtain sheet of curtain, can cover window and minimizing and inject sunlight in the room, also promote the confidentiality in room simultaneously and prevent that other people from can see situation in the room from window.When rising the curtain sheet of curtain, the user just can see complete and view clearly by window, and sunlight also can be injected in the room from window.In general, seeing through the manipulation operation rope can rise the curtain sheet or fall, and user's pulled down operation rope just can make the curtain sheet rise, and decontrol the operation rope curtain sheet is descended.

The driving shaft that present curtain in the streets, the operation rope of curtain are connected in the curtain inboard is to rise or to fall the curtain sheet.When operation is restricted by pulled down, can impel the driving shaft rotation and furl supporting rope, thereby rise the curtain sheet.When the operation rope is decontroled, can impel driving shaft along another opposite direction rotation, to fall the curtain sheet.Yet when the quantity of curtain sheet increased, the scope of activities of operation rope can be quite big, and when the curtain sheet rose, the length of operation rope also can be very long.

In addition, when the length of operation rope was oversize, seeming can be very not attractive in appearance.And for many users, particularly child can produce very big danger.Because oversize operation rope probably can snarl child's neck and cause child to suffocate.For fear of the generation of this danger, it is important and the operation rope will be maintained the higher position, can run into the operation rope to avoid child.But this is difficult to accomplish for present curtain in the streets.Because in general, when the folding of curtain sheet was got up, the operation rope can be in the higher position, but when launching when user's pulled down operation rope and with the curtain sheet, the operation rope can be moved into lower position, and restricts when swinging in lower position when operation, can cause danger to child.

For the user, it is difficult can go very naturally to control long operation rope, and often the user must come pulled down operation rope by mobile arm.Yet, when user's arm full extension is gone out and can't continue to operate the rope pulled down, this moment, the user must decontrol the operation rope earlier, when the operation rope that feasible quilt is decontroled moves to higher position, the user catches the operation rope with hand again, and continue pulled down operation rope, establish height the curtain sheet is moved to desire.So the operation on take time very much and completely the trouble.

[summary of the invention]

The present invention is about a kind of curtain and control module, sees through this control module, and the user can utilize short operation rope to order about the rise of curtain sheet and descend.See through one of this control module of rotation and control part, the control module can be switched to unlocking position, fall automatically with the bottom that allows curtain.

According to one embodiment of the invention, the control module that provides a kind of curtain to use comprises: a driving shaft; One sleeve, itself and this driving shaft fixes; One brake component, its be arranged at this driving shaft around, wherein this brake component is this sleeve of prevention and the rotation of this driving shaft when a lock-out state, so that the plural curtain sheet of locking curtain is in the position at place, this brake component then allows this sleeve and the rotation of this driving shaft when a release the lock state, so that the plural curtain sheet of curtain sees through the gravity of itself and descends; And a release the lock assembly, it comprises controls part, this control part for vertical down longitudinal bodies and be connected with this brake component, wherein this is controlled part and can rotate around its major axis, to transfer this brake component to the release the lock state by lock-out state.

According to this control one of module embodiment, this brake component comprises a spring, this spring be arranged at this sleeve around, just be lock-out state when this spring is tightly restrainted this sleeve, then be the release the lock state when this spring unclamps.

According to one of this control module embodiment, this release the lock assembly also comprises: a ring, and it can be around the pivotal axis rotation of this driving shaft; And plural driving member, be arranged at this ring and this is controlled between the part, wherein this is controlled part and is provided with a major axis, when this controls part around its major axis rotation, these driving member effects of seeing through can drive this ring and rotate an angle around the pivotal axis of this driving shaft, make this spring unclamp.

According to this control one of module embodiment, this brake component is wind spring and has one first projecting end and one second projecting end, and this first projecting end is connected with a housing of this control module, and this second projecting end then is connected with this ring.

According to one of this control module embodiment, this plural number driving member comprises one first driving member and one second driving member, this ring has a convex teeth portion, this convex teeth portion and this first driving member are meshing, and this second driving member can with this control part be connected, and see through gear drive and this first driving member meshing, wherein this gear drive can be helical gear or worm-drive etc.

According to one of this control module embodiment, also comprise: a rope roll; One operation rope, it is connected with this rope roll; And a clutch, it is arranged between this brake component and this rope roll; Wherein, see through this operation rope of pulling, can drive this rope roll rotation and transfer this clutch to a couple state, make the spinning movement of this rope roll drive this sleeve and the rotation of this driving shaft via this clutch, to rise the plural curtain sheet of curtain.

According to one of this control module embodiment, this brake component comprises a spring, this spring be arranged at this sleeve around, it is lock-out state when this spring is tightly restrainted this sleeve, when unclamping, this spring then is the release the lock state, and restrict when pulled when this operation, this spring can be transferred to the release the lock state, to rise the plural curtain sheet of curtain.

According to this control one of module embodiment, this wherein this release the lock assembly also comprise: a ring, it can be around the pivotal axis rotation of this driving shaft; And plural driving member, it is arranged at this ring and this is controlled between the part, and wherein this controls part when its major axis rotation, sees through the gearing of this plural number driving member, can drive this ring and rotate an angle around the pivotal axis of this driving shaft, makes this spring unclamp.

According to one of this control module embodiment, this second driving member is ducted body, and this operation rope passes this second driving member after being stretched out by this rope roll.

According to one of this control module embodiment, this operation rope is to extend along this inboard of controlling part after passing this second driving member, and this operation rope slides for control part with respect to this when pulled.

According to this control one of module embodiment, this operation rope passes to be controlled part with this behind this second driving member and fixes, and just can spur this operation when making this control part to bottom offset synchronously and restrict.

According to one of this control module embodiment, this is controlled part and comprises a rod and a key, and this key is connected with the top of this rod, and this key can engage with this second driving member with moving apart.

According to one of this control module embodiment, this key can be provided with a double wedge end, and when this was controlled part and engages with this second driving member, this was controlled part and can see through this double wedge end and drive this second driving member rotation, when this controls part to bottom offset, this double wedge end then will break away from this second driving member.

According to one of this control module embodiment, this is controlled part and also is provided with a safety device, and wherein this safety device comprises: an inner core, itself and this control the rod winding slidably of part, make this inner core control the pivotal axis displacement of part along this with respect to this rod, and this inner core is to rotate synchronously with this rod; And a urceolus, itself and this rod articulates, and this urceolus can be rotated with respect to this rod; Wherein, this urceolus and this inner core have contacted contact-making surface respectively, and these contact-making surfaces are approximately controlled the pivotal axis of part perpendicular to this, and these contact-making surfaces have the surface of unidirectional sawed-off shape respectively.

According to one of this control module embodiment, when this urceolus when a direction is rotated, meshing this inner core and this of just can driving that sees through these contact-making surfaces controlled part and rotated synchronously, and when this urceolus negative side rotates, these contact-making surfaces are mutual pushing tow and can't linking then, make this inner core toward top offset, this urceolus then dallies.

According to one embodiment of the invention, a kind of curtain is provided, comprising: a head track road; One group of curtain sheet; One bottom, it is positioned at the below of these curtain sheets; Several suspension ropes are for being connected between this head track road and this bottom; Plural number serving unit is for being arranged at this head track road and being connected with these suspension ropes; Reach a control module, it is arranged at this head track road, and wherein this control module comprises: a driving shaft, wherein these serving unit and this serving unit winding; One sleeve, itself and this driving shaft fixes; One brake component, its be arranged at this driving shaft around, wherein this brake component is this sleeve of prevention and the rotation of this driving shaft when a lock-out state, in order to lock this bottom in the position at place, this brake component then allows this sleeve and the rotation of this driving shaft when a release the lock state, so that this bottom sees through the gravity of itself and descends; And a release the lock assembly, it comprises controls part, this control part for vertical down longitudinal bodies and be connected with this brake component, wherein this is controlled part and can rotate around its major axis, to transfer this brake component to the release the lock state by lock-out state.

According to one of this curtain embodiment, this control module also comprises: a rope roll; One operation rope, it is connected with this rope roll; And a clutch, it is arranged between this brake component and this rope roll; Wherein see through this operation rope of pulling, can drive this rope roll rotation and transfer this clutch to a couple state, make the spinning movement of this rope roll drive this sleeve and the rotation of this driving shaft via this clutch, to rise the plural curtain sheet of curtain.

According to one of this curtain embodiment, this brake component comprises a spring, this spring be arranged at this sleeve around, just be lock-out state when this spring is tightly restrainted this sleeve, then be the release the lock state when this spring unclamps.

According to one of this curtain embodiment, this release the lock assembly also comprises: a ring, and it can be around the pivotal axis rotation of this driving shaft; And plural driving member, be arranged at this ring and this is controlled between the part, wherein this is controlled part and is provided with a major axis, when this controls part around its major axis rotation, these driving member effects of seeing through can drive this ring and rotate an angle around the pivotal axis of this driving shaft, make this spring unclamp.

According to one of this curtain embodiment, this brake component is wind spring and has one first projecting end and one second projecting end, and this first projecting end is connected with a housing of this control module, and this second projecting end then is connected with this ring.

According to one of this curtain embodiment, this plural number driving member comprises one first driving member and one second driving member, this ring has a convex teeth portion, this convex teeth portion and this first driving member are meshing, and this second driving member can with this control part be connected, and see through gear drive and this first driving member meshing, wherein this gear drive can be helical gear or worm-drive etc.

[description of drawings]

Fig. 1 illustrates a kind of stereogram that is provided with the curtain of control module.

Fig. 2 illustrates the exploded view of control module.

Fig. 3 illustrates the cutaway view of control module.

Fig. 4 illustrates the stereogram of first male part of clutch.

Fig. 5 illustrates the stereogram of second male part of clutch.

Fig. 6 illustrates the stereogram of the sleeve that fixes with driving shaft in the control module.

Fig. 7 illustrates the front view of sleeve.

Fig. 8 illustrates the side view of part control module assembling back.

Fig. 9 illustrates the side view of the rope roll in the control module.

Figure 10 illustrate control in the module brake component and the assembling stereogram of release the lock assembly.

Figure 11 illustrate control in the module brake component and the assembling side elevation of release the lock assembly.

Figure 12 illustrates the operation chart of release the lock assembly.

Figure 13 illustrates the schematic diagram of the step-down operation of curtain.

When Figure 14 illustrates curtain and descends, the schematic diagram of the state of guide rails in the clutch.

Figure 15 illustrates the schematic diagram of the rise operation of curtain.

Figure 16 illustrates rope roll and the partial sectional view of first male part when curtain rises operation in the control module.

Figure 17 illustrates the partial sectional view of first, second male part when curtain rises operation in the control module.

Figure 18 illustrates the schematic diagram of part control module when curtain rises operation.

When Figure 19 illustrates curtain and rises, the schematic diagram of the state of guide rails in the clutch.

First male part and rope roll that Figure 20 illustrates in the control module are furling the partial sectional view that operation is restricted.

First, second male part that Figure 21 illustrates in the control module furls the partial sectional view that operation is restricted at rope roll.

Figure 22 illustrates the schematic diagram of part control module when rope roll furls the operation rope.

Figure 23 illustrates rope roll and furls when operating rope, the schematic diagram of the state of guide rails in the clutch.

Figure 24 illustrates the cutaway view of controlling installing one safety device in the part.

Figure 25 illustrates the schematic diagram of the curtain that another embodiment of the present invention provides.

Figure 26 illustrates the exploded view of the control module in the curtain of Figure 25.

The curtain that Figure 27 illustrates Figure 25 puts down the schematic diagram of operation.

The curtain that Figure 28 illustrates Figure 25 rises the schematic diagram of operation.

Figure 29 illustrates the partial sectional view of the control module that another embodiment of the present invention provides.

Figure 30 illustrates the schematic diagram of part clutch configuration in the control module of Figure 29.

Figure 31 illustrates the partial sectional view of control module when curtain rises operation of Figure 29.

Figure 32 illustrates the schematic diagram of part clutch configuration in the control module of Figure 31.

Figure 33 illustrates the partial sectional view of control module when curtain furls the operation rope of Figure 29.

Figure 34 illustrates the schematic diagram of part clutch configuration in the control module of Figure 33.

[specific embodiment]

The present invention can be realized by many different embodiment.Be shown in embodiment graphic and that describe in detail subsequently and be preferred embodiment of the present invention, yet following content is the embodiment of the explanation principle of the invention only, and the present invention is unrestricted in these embodiment.

Fig. 1 illustrates the embodiment of a curtain 110.Curtain 110 can include head track road 112, one group of curtain sheet 114 and be positioned at the bottom 116 of below of curtain sheet 114.In addition, be the displacement of control curtain sheet 114 and bottom 116, curtain 110 also is provided with control module 124, several suspension rope 126 (illustrating with dotted line) and the serving unit 128 that comprise driving shaft 118, operation rope 120 (illustrating with dotted line) and control part 122.First end of suspension rope 126 can be connected with the reel of serving unit 128, and second end of suspension rope 126 can be connected with bottom 116, and suspension rope 126 is connected between head track road 112 and the bottom 116.When bottom 116 when head track road 112 moves up, can pack up curtain 114.The rise action of bottom 116 can see through pull operation rope 120, make control module 124 can see through driving shaft 118 and pass on the (not shown) of the reel in the serving unit 128 with spinning movement, so that serving unit 128 furls the suspension rope 126 that connects between head track road 112 and the bottom 116.In addition, control module 124 can see through to be controlled controlling of part 122 and transfer the release the lock state to, in order to allow driving shaft 118 to rotate, thereby bottom 116 gravity that can see through itself descend voluntarily and pulls out suspension rope 126 from serving unit 128, thereby stretch curtain sheet 114, so that curtain 110 transfers shielding status to.The structure of relevant controlling module 124 and operation follow-uply will provide detailed description.

The kind of curtain sheet 114 is not limited.For instance, can adopt cloth curtain sheet, cellular curtain sheet, blind sheet, or the curtain sheet of being formed by several laths that are parallel to each other.

The kind in head track road 112 is not limited.Head track road 112 is positioned at the top of curtain 110, and in order to install driving shaft 118 and control module 124.Bottom 116 is arranged at the bottom of curtain 110, and wherein bottom 116 for example constitutes with end track.Yet the kind of bottom 116 is not limited, can be any loading element, also can be made up of the curtain sheet of below.

Driving shaft 118 is the definition driving axis, and respectively with serving unit 128,124 windings of control module.The motion phase interlock of the operation of driving shaft 118 and bottom 116, that is the upper and lower displacement of the rotation of driving shaft 118 and bottom 116 is the phase interlock.According to an embodiment, the reel in the serving unit 128 can be fastened with driving shaft 118, driving shaft 118 and serving unit 128 can be rotated synchronously, in order to furl or launch suspension rope 126.Be worth mentioning, spool can use any suitable or known structure.In addition, because driving shaft 118 is connected with control module 124, make driving shaft 118 also can be driven to rotate according to the operation of operation rope 120, in order to rise curtain sheet 114.

According to the design of curtain 110, the user can see through pull operation rope 120 and rise curtain sheet 114.According to one embodiment of the invention, with respect to the total kilometres of bottom 116, operation rope 120 has than short length, and the user can see through pulling, decontrol the repetitive operation of operating rope 120, just can rise curtain sheet 114.The length of operation rope 120 for example highly half of comparable whole group of curtain sheet 114 also will be lacked.When operation rope 120 length are three/for the moment of whole group curtain sheet 114 height, as long as about three the operation ropes 120 of pulling can rise curtain sheet 114 fully.This mode of operation is similar to a kind of ratchet technology, and the user can see through pull operation rope 120 and rise curtain sheet 114, and after then relieving operation rope 120 allowed operation rope 120 furl, pull operation rope 120 just can continue to rise curtain sheet 114 once again.The sustainable repetition of above-mentioned steps is till curtain sheet 114 rises to desire and establishes height.

In addition, the user can see through rotation and control part 122 and will control module 124 and transfer the release the lock state to by lock-out state, in order to allow driving shaft 118 to rotate, bottom 116 is descended through itself gravity.After controlling part 122 releases, control module 124 can transfer lock-out state to by the release the lock state, rotates to stop driving shaft 118.

For realizing above-mentioned mode of operation, Fig. 2 and Fig. 3 are for illustrating exploded view and the cutaway view of the designed control module 124 of one embodiment of the invention respectively.Control module 124 includes a brake component 132, release the lock assembly 134, rope roll 136, reaches a clutch 138.Control module 124 also includes a spring 140, and it rotates towards the direction that furls of operation rope 120 in order to drive rope roll 136.Spring 140 can be located at inboard (as shown in the figure) or the outside of control module 124.

In addition, control module 124 also includes a housing 142 and a lid 144.The combination of housing 142 and lid 144 can form a shell, so that the part of Coverage Control module 124.The inboard of lid 144 also can be provided with a propelling sheave 145, in order to 120 slippages of guiding operation rope.

Clutch 138 can be coupled the motion of rope roll 136 with driving shaft 118 or decoupling zero.When clutch 138 was in the state of decoupling zero, driving shaft 118 and rope roll 136 can relatively rotate.For example, rope roll 136 is kept static state, and the weight of bottom 116 and curtain sheet 114 drives driving shaft 118 with respect to rope roll 136 rotations, so that decline curtain sheet 114 and bottom 116.Perhaps driving shaft 118 keeps static, and rope roll 136 rotates, to furl operation rope 120.Restrict 120 when pulled when operation, then can transfer clutch 138 to couple state, rope roll 136 and driving shaft 118 can be rotated synchronously via the transmission of clutch 138, to rise curtain sheet 114 and bottom 116.

According to an embodiment, clutch 138 can be arranged between brake component 132 and the rope roll 136, and clutch 138 is installed on the fixed axis 146.According to this embodiment, clutch 138 can include one first male part 150, one second male part 152, a spring 154, a connection piece 156, reach a rolling member 160.Rolling member 160 for example is ball.At some embodiment, clutch 138 also can include a sleeve 161.

Consult Fig. 3 to Fig. 5, connector 156 is fixed in fixed axis 146.Fixed axis 146 and driving shaft 118 be for separating installing, and fixed axis 146 is extended along the same axis of driving shaft 118 by lid 144 and forms.First male part 150 is articulated in partly fixed axis 146, and second male part 152 is articulated in connector 156, first male part 150 and second male part 152 can be rotated with respect to fixed axis 146 around the common axis line of driving shaft 118, fixed axis 146, thereby clutch 138 is converted to the state of coupling or decoupling zero.

Consult Fig. 4, first male part 150 has cylindric, and can arrange in pairs or groups mutually with second male part 152.More specifically, first male part 150 includes an outer surface 162 cylindraceous between two end.Comprise a depressed area on the outer surface 162, the depressed area extend first male part 150 around and define part guide rails 164, and the breach 165 that is communicated with guide rails 164 of clutch 138 at least partly.One embodiment of the invention for example is provided with two breach 165, for laying respectively at radially relative position.First male part 150 includes two radial flange 150A respect to one another at the first end place near rope roll 136, and rope roll 136 can be inconsistent with radial flange 150A, just can drive first male part 150 when rope roll 136 is rotated and rotate synchronously.First male part 150 then includes at least one radially against flange 168 near the second end place of second male part 152, radially against the position of flange 168 near breach 165.According to one embodiment of the invention, can be provided with two radially against flange 168 by the relative position on first male part, 150 outer surfaces, it is respectively close to corresponding breach 165 places.First male part 150 also includes at least one fluting 169, and slots 169 with radially spaced apart against flange 168.According to one embodiment of the invention, can form two flutings 169 at the radially relative position of first male part 150, its respectively close to correspondence radially against flange 168 places.

Consult Fig. 5, second male part 152 has cylindric and arranges in pairs or groups mutually with first male part 150.Second male part 152 is provided with two radially relative radially fins 172, and each radially fin 172 have an outer surface 174 and an extension 176, extension 176 radially extends towards the center of second male part 152 from fin 172 radially.

As shown in figure 14, after first male part 150 and second male part 152 are connected with group, can form a guide rails 164 that is loop between the outer surface 162 of first male part 150 and the outer surface 174 of second male part 152, wherein guide rails 164 is extended around first male part 150 and second male part 152.Each radially fin 172 be arranged at the corresponding breach 165 of first male part 150 movably, and extension 176 can be inserted in the corresponding fluting 169 with moving apart, thereby guides the relative motion of first male part 150 and second male part 152.By this, radially fin 172 can slide in breach 165, in order to form or remove one or several Resistance 177 (as Figure 18 and shown in Figure 19) in the path of guide rails 164.

Cooperate Fig. 2 and Fig. 3, Fig. 6 and Fig. 7 are the schematic diagram that illustrates sleeve 161.Sleeve 161 is substantially cylindric and is fixed in driving shaft 118, makes sleeve 161 and driving shaft 118 be rotation synchronously.Sleeve 161 includes radially draw-in groove 179 of a medium pore 178 and.Radially draw-in groove 179 axis being located at the madial wall of medium pore 178 and being parallel to driving shaft 118 extends linearly.During clutch 138 assemblings, first male part 150 and second male part 152 are arranged in the medium pore 178 of sleeve 161, make the length of guide rails 164 and the radially draw-in groove 179 of sleeve 76 be partly and overlap, and rolling member 160 is arranged at guide rails 164 movably and radially in the draw-in groove 179.

When clutch 138 is in the state of decoupling zero, relative position relation because of first male part 150, second male part 152, make rolling member 160 can be with the rotation of driving shaft 118 and sleeve 161 radially around draw-in groove 179 and first male part 150, second male part 152 formed guide rails 164 carry out relative displacement, wherein driving shaft 118 and sleeve 161 rotate for being independent of rope roll 136.

When clutch 138 is in couple state, second male part 152 can be moved to a second place along direction of rotation with respect to first male part 150, in order to form the Resistance 177 of recess in guide rails 164, wherein Resistance 177 namely is that sidewall by guide rails 164 forms depression (referring to Figure 18) at corresponding breach 165 places.Therefore, along guide rails 164 and radially the rolling member 160 of draw-in groove 179 displacements will enter and be blocked district 177 and stop, make the rotation of rope roll 136 can see through first male part 150 and second male part 152 and be conveyed to sleeve and driving shaft 118 via rolling member 160.In another embodiment of the present invention, clutch 138 also can directly be sent to driving shaft 118 with the spinning movement from rope roll 136.

Cooperate Fig. 2, Fig. 8 and Fig. 9 are for illustrating the schematic diagram after part control module 124 (comprising rope roll 136 and sleeve 161) is assembled.Rope roll 136 is substantially cylindric.Rope roll 136 can be articulated in fixed axis 146, and is positioned at contiguous first male part 150 in its side with respect to second male part 152.Rope roll 136 links to each other with operation rope 120, makes rope roll 136 can furl operation rope 120 when rotating.Rope roll 136 is provided with at least one radial flange 136A close to an end of first male part 150, and the radial flange 136A of rope roll 136 can contact with the flange 150A of first male part 150, to drive the spinning movement of clutch 138.

Consult Fig. 2 and Fig. 3, rope roll 136 is coupled in spring 140.Spring 140 can drive rope roll 136 rotations, so that rope roll 136 furls operation rope 120.Spring 140 can be torsion spring, and it is installed in the inner chamber of rope roll 136.Torsion spring has one first end and one second end, and first end is fixed in fixed axis 146, the second ends and then is fixed in rope roll 136.See through the elastic force effect of torsion spring, can impel rope roll 136 to rotate with respect to fixed axis 146 towards the direction that furls operation rope 120.According to other embodiment, spring 140 also can be arranged at the outside of control module 124 and be used for driving rope roll 136 counter-rotatings.In previous embodiment, spring 140 and control module 124 separately, but spring 140 still links to each other with rope roll 136, rotates towards the direction that furls operation rope 120 to drive rope roll 136.

Cooperate Fig. 2, Figure 10 and Figure 11 are the assembling schematic diagram that illustrates brake component 132 and release the lock assembly 134.Brake component 132 be arranged at driving shaft 118 around, and can be with respect to the pivotal axis X of driving shaft 118 rotation.Brake component 132 has a lock-out state and a release the lock state.Brake component 132 is tight bundle and locking bushing 161 and driving shaft 118 when lock-out state, rotates to stop sleeve 161 and driving shaft 118, thus the position at locking

curtain sheet

114 and 116 places, bottom.Brake component 132 then is when the release the lock state and unclamps, and rotates to allow sleeve 161 and driving shaft 118, so that curtain sheet 114 and bottom 116 descend.According to an embodiment, brake component 132 can include a spring 180, for example is wind spring.Spring 180 is substantially cylindric and is arranged on the circumferential surface of sleeve 161.Spring 180 extends outward one first projecting end 180A and one second projecting end 180B.The first projecting end 180A is fixed in housing 142, the second projecting end 180B and then is fixed in a ring 182.It is lock-out state that spring 180 is tightly restrainted when sleeve 161, then is the release the lock state when spring 180 unclamps.

Release the lock assembly 134 can be connected with brake component 132, and drive brake component 132 switches to the release the lock state by lock-out state.According to one embodiment of the invention, release the lock assembly 134 can include a ring 182, driving member 184,186 and control part 122.According to an embodiment, ring 182 has toroidal, but the invention is not restricted to this, and ring 182 also can be by other shape realization, for example semicircle, arc etc.Ring 182 can be articulated between sleeve 161 and the rope roll 136, especially between sleeve 161 and first male part 150.Ring 182 can be around the pivotal axis X of driving shaft 118 rotation.Can be formed with a hole 182A and convex teeth portion 182B on the ring 182.The second projecting end 180B of spring 180 can see through hole 182A and ring 182 is fixing.

Driving member 184,186 has difference and nonparallel pivotal axis respectively for being arranged at ring 182 and controlling rotary driving member between the part 122.According to an embodiment, driving member 184,186 pivotal axis can be mutually vertically and separately, the pivotal axis of driving member 184 approximately is parallel to the axis of driving shaft 118, the pivotal axis of driving member 186 then is inclination with respect to vertical direction.First end of driving member 184 can be provided with convex teeth portion 188, and convex teeth portion 188 can be meshing with convex teeth portion 182B.It is meshing with driving member 186 that second end of driving member 184 then can see through gear drive 190, and wherein gear drive 190 for example is helical gear, worm-drive etc.

According to an embodiment, driving member 186 be ducted body, and operation rope 120 can pass driving member 186 after being stretched out by rope roll 136, again along the inboard extension of controlling part 122.Embodiment operates rope 120 and can slide with respect to controlling part 122 according to this, and the operation rope 120 that for example is pulled is to slide with respect to controlling part 122 along the inboard of its ducted body.

Referring to Fig. 1, Fig. 2, Figure 10, control part 122 and be from head track road 112 vertical and under longitudinal bodies, it is for example formed with transfer rod.Control the side that part 122 is arranged at head track road 112, and see through above-mentioned ring 182, driving member 184, elements such as 186 are connected with brake component 132.Operation rope 120 can extend along the inboard of controlling part 122, and the bottom of operation rope 120 can be provided with a key 192.Key 192 can be kept out with the bottom of controlling part 122, controls part 122 to avoid operation rope 120 to break away from fully toward top offset the time.The top of controlling part 122 can articulate (its can horizontal pivot realize) with driving member 186, makes that controlling part 122 can rotate with respect to driving member 186, in order to adjust the angle of inclination of controlling part 122.In addition, controlling part 122 can be around its major axis Y rotation, and the rotation of controlling part 122 can drive driving member 184,186 and rotates, and sees through driving member 184,186 effect, can drive brake component 132 and transfer the release the lock state to by lock-out state.

When user's inoperation operation rope 120, the spring 180 tight collar tubes 161 of brake component 132 also stop driving shaft 118 to rotate, and make curtain sheet 114 be locked in a fixed position.Be worth mentioning, sleeve 161 of the present invention can be by anyly being located at driving shaft 118, and can being connected and cooperating the position that operates with clutch, and it can have Any shape, and is not limited to winding at the element of driving shaft 118.According to other embodiment, sleeve 161 also can be integrally formed with driving shaft 118, makes spring 180 can tightly restraint driving shaft 118 and stop its rotation.

Figure 11 and Figure 12 are the operation chart that illustrates release the lock assembly 134.When the user will descend the bottom 116 the time, as long as rotate a little and control part 122, see through driving member 184,186 gearing, can drive ring 182 and rotate the second projecting end 180B of an angle and displacement spring 180 around the pivotal axis X of driving shaft 118, thereby impel spring 180 to unclamp, make brake component 132 transfer the release the lock state to by lock-out state.

Cooperate Fig. 1 to Figure 12, Figure 13 is the schematic diagram that illustrates the down maneuver of curtain 110, when Figure 14 then illustrates curtain 110 and descends, and the schematic diagram of the state of guide rails 164 in the clutch 138.After brake component 132 release the locks, bottom 116 and stack the gravity that the curtain sheet 114 on bottom 116 produces and can spur suspension rope 126 makes suspension rope 126 launch and drive driving shaft 118 gradually from serving unit 128 with respect to rope roll 136 rotations.When driving shaft 118 and sleeve 161 are rotated and when descending bottom 116, rope roll 136 is motionless, 140 of the rolling members radially guide rails 164 of draw-in groove 179 and clutch 138 roll and displacements with respect to first male part 150, second male part 152 and sleeve 161, as Figure 14 with shown in the arrow.Especially, when bottom 116 descended, spring 154 meeting generation resistances keep first male part 150 and second male part 152 is motionless, make clutch 138 keep the state of decoupling zero, i.e. the state of unblocked zone 177 in the guide rails 164.In addition, when clutch 138 is in the state of decoupling zero, the radially fin 172 of second male part 152 be with respect to the breach 165 that is arranged in first male part 150 radially against flange 168 separated attitudes.

After bottom 116 was moved downward to the height that desire establishes, the user can decontrol and control part 122.Therefore, spring 180 sees through itself elastic force and will restore to the original state and tight collar tube 161, makes brake component 132 recover lock-out states, with stop driving shaft 118 and sleeve 161 to rotate and locking bottom the height at 116 places.Recover also will drive ring 182 towards reverse rotation in the process of tight pencil attitude at spring 180, and see through driving member 184,186 power transmission and can drive and control part 122 and reverse and reset.

Figure 15 to Figure 19 illustrates the action schematic diagram that rises curtain 110.With reference to Figure 15, when user's desire rose bottom 116, pull operation rope 120 downwards made operation rope 120 stretch and by controlling part 122 slips, wherein control part 122 and approximately keep motionless from rope roll 136.As shown in figure 16, rope roll 136 rotates along the direction of extension of operation rope 120, the radial flange 136A that causes rope roll 136 is promoted the radial flange 150A of first male part 150, make the male part 150 of winning with respect to 152 rotations of second male part by this, up to radially connecting (as shown in figure 17) against the radially fin 172 of flange 168 and second male part 152 of first male part 150, second male part 152 of this moment is in the second place, makes to be formed with Resistance 177 (as Figure 18 and shown in Figure 19) in the guide rails 164.

When continuing downward pull operation rope 120, rope roll 136 and clutch 138 rotates synchronously, till rolling member 160 arrival Resistance 177.Be worth mentioning, in this embodiment, be formed with two Resistance 177 in the guide rails 164, with shorten rolling member 160 to the Resistance 177 stroke; Yet the invention is not restricted to this, also can in guide rails 164, form single Resistance 177.

When rolling member 160 arrived Resistance 177, clutch 138 can transfer couple state to.Because rolling member 160 is connected to the draw-in groove 179 of Resistance 177 and sleeve 161 simultaneously, the action of pull operation rope 120 downwards just can make rope roll 136 rotations, and through two mutual butts of

radial flange

136A, 150A, the rotation of rope roll 136 will be sent to clutch 138, and see through again rolling member 160 respectively with the draw-in groove 179 of sleeve 161, and the butt of clutch 138 Resistance 177, the action of rotation is sent to sleeve 161 and driving shaft 118 from clutch 138.Because sleeve 161 is prompted to rotation, with making the inner surface of the first projecting end 180A conflict housing 142 of spring 180, transfers the state that unclamps to force spring 180 to by the state of tight collar tube 161, thereby transfer brake component 132 to release the lock.Thus, see through downward pull operation rope 120, can transfer clutch 138 to couple state, and see through the transmission of clutch 138, can drive rope roll 136, sleeve 161 and driving shaft 118 and rotate synchronously, in order to rise bottom 116.

In the process of top offset, the user is releasing operation rope 120 at any time in bottom 116, for example when bottom 116 arrives the height that desires establish, or when operation rope 120 fully after rope roll 136 stretching, extensions.When releasing operation rope 120, spring 180 recovers the state of its tight collar tube 161.The tight Shu Zuoyong of spring 180 can pin and stop sleeve 161 and driving shaft 118 rotations, uses the height that locking curtain sheet 114 is established in desire.Simultaneously, spring 140 will drive rope roll 136 counter-rotatings, to furl operation rope 120.

Consult Figure 20, with rope roll 136 backward rotation, the radial flange 136A of rope roll 136 can contact and promote the relative radial flange 150A of first male part 150, and then driven in synchronism first male part 150 is with respect to 152 rotations of second male part.

Consult Figure 21 to Figure 23, the rotation of first male part 150 and rope roll 136 cause first male part 150 radially against flange 168 along radially fin 172 displacements of leaving second male part 152, the state that arrives another butt positions and recover unblocked zone 177 in the guide rails 164 up to first male part 150 is (as Figure 22 and shown in Figure 23).As shown in Figure 4, when extension 176 is connected to the lateral margin 169A of fluting 169, can recover the state of unblocked zone 177 in the guide rails 164.At this moment, clutch 138 is converted to the state of decoupling zero, and spring 140 can continue to drive rope roll 136 and reverse to furl operation rope 120, and first male part 150 and second male part 152 be to rotate synchronously.Because the coupling rotation that does not form Resistance 177, the first male parts 150 and second male part 152 in the guide rails 164 makes draw-in groove 179 displacements of rolling member 160 along guide rails 164 and sleeve 161.When first male part 150, second male part 152 and rope roll 136 rotations and when furling operation rope 120, sleeve 161 and driving shaft 118 are kept static state because being locked by spring 180.Therefore, furl in the process of operation rope 120 at rope roll 136, bottom 116 and curtain sheet 114 can be kept the position at its place.When rope roll 136 furls partly or whole operation rope 120 backs (when rope roll 136 furled operation rope 120 fully, key 192 contacted at the bottom of controlling part 122), the user can be again pull operation rope 120 downwards, in order to rise curtain sheet 114 again.Aforesaid operating procedure can repeatedly repeat, till curtain sheet 114 rises to the height that desire establishes.

Referring to Fig. 1 and Fig. 2, the bottom 122A that controls part 122 can have thick wide shape, to make things convenient for the user to hold and to operate and control part 122 again.Cause the damage of inner body for the faulty operation of avoiding the user, one embodiment of the invention also can arrange a safety device at bottom 122A place, when the user sees through bottom 122A when part 122 is controlled in the direction rotation of mistake, but the spinning movement of safety device decoupling zero bottom 122A makes the operation of bottom 122A can't drive release the lock assembly 134 and carries out release the lock.Figure 24 is the schematic diagram that illustrates safety device 200 set in the 122A of bottom.

As shown in figure 24, control part 122 and for example contain a rod 122B, and safety device 200 can comprise a urceolus 202 and be located at interior ring 204 in the urceolus 202.Operation rope 120 passes the inside portion of urceolus 202 and interior ring 204 respectively.Urceolus 202 can articulate with the rod 122B that controls part 122, and urceolus 202 can be rotated with respect to rod 122A.In 204 on ring and rod 122B winding slidably, ring 204 can carry out length travel along the pivotal axis Y that controls part 122 with respect to rod 122B in making, but interior ring 204 and the rod 122B that controls part 122 are for rotating synchronously.

Urceolus 202 has contacted contact-making

surface

202A, 204A respectively with interior ring 204.Contact-making

surface

202A, 204A are approximately perpendicular to the pivotal axis Y that controls part 122, and contact-making

surface

202A, 204A have the surface of unidirectional sawed-off shape respectively.

When urceolus 202 direction A1 rotated, what see through contact-making

surface

202A, 204A meshingly just can drive inner core 204 and control part 122 and rotate synchronously, is the correct direction of rotation of correspondence release curtain sheet.

If when opposite direction A2 rotate, contact-making

surface

202A, 204A be mutual pushing tow and can't linking then with urceolus 202 for the user, ring 204 causes urceolus 202 idle running toward top offsets in making, and is the wrong direction of rotation of correspondence release curtain sheet.By this, can stop and control part 122 along wrong direction rotation, avoid release the lock assembly 134 to cause the problem of damage because of the operation of mistake.

Figure 25 illustrates the schematic diagram of the curtain 110 ' that another embodiment provides, Figure 26 is for illustrating the exploded view of control module 124 ' in the curtain 110 ', Figure 27 illustrates the schematic diagram that curtain 110 ' puts down operation, and Figure 28 then illustrates the schematic diagram of the rise operation of curtain 110 '.To shown in Figure 28, compared to aforesaid curtain 110, the main difference of curtain 110 ' is to control operation rope 120 and the connected mode of controlling part 122 in the module 124 ' as Figure 25.Embodiment according to this, driving member 186 also is ducted body, and operation rope 120 passes driving member 186 backs for to fix with controlling part 122, makes when controlling part 122 to bottom offset just pull operation rope 120 synchronously.

In addition, the top of controlling part 122 also is provided with a key 194.According to an embodiment, key 194 can articulate with the rod 122B top of controlling part 122, and key 194 can be provided with double wedge end 194A.

One end of driving member 186 is provided with a groove 196 (referring to Figure 28), and the double wedge end 194A of key 194 can engage with the groove 196 of driving member 186 with moving apart.The other end of driving member 184 then can be identical with previous embodiment, sees through gear drive 190 and be connected with driving member 186, and wherein gear drive 190 for example is worm-drive, helical gear etc.Therefore, when controlling part 122 and see through key 194 and engages with driving member 186, control part 122 and can see through double wedge end 194A drive driving member 186 and rotate.When controlling part 122 to bottom offset, key 194 (especially double wedge end 194A) then will break away from driving member 186.

As for other part of control module 124 ' and curtain 110 ', then can be identical with previous embodiment.

When part 122 was controlled in user's inoperation, the spring 180 tight collar tubes 161 of brake component 132 also stoped driving shaft 118 rotations, make curtain sheet 114 be locked in a fixed position.Moreover because of the effect of spring 140, rope roll 136 will produce pulling force to operation rope 120, make key 194 insert and engage driving member 186.

Cooperate Figure 25 and Figure 26, Figure 27 illustrates the schematic diagram that curtain 110 ' carries out step-down operation.As shown in figure 27, the bottom 116 if user will descend, as long as rotate a little and control part 122, see through the double wedge end 194A, driving member 184 of key 194,186 power transmission etc., can drive the second projecting end 180B of ring 182 rotation one angles and displacement spring 180, thereby impel the spring 180 of brake component 132 to unclamp, make brake component 132 transfer the release the lock state to.Subsequently, bottom 116 can see through and descend the height that desire is established up to arriving at as above-mentioned mode.After the height that institute's desire establishes was arrived in bottom 116, the user can discharge and control part 122, and spring 180 can recover the state of tight bundle, so that the position of locking bottom 116.

As shown in figure 28, when user's desire rises bottom 116, can spur downwards and control part 122, the groove 196 and the operation rope 120 that make key 194 break away from driving members 186 stretch from rope roll 136.As above-mentioned, rope roll 136 rotates along the direction of extension of operation rope 120, and through clutch 138 spinning movement is conveyed to sleeve 161 and driving shaft 118.Because sleeve 161 is prompted to rotation, with making the inner surface of the first projecting end 180A conflict housing 142 of spring 180, transfers the state that unclamps to force spring 180 to by the state of tight collar tube 161, thereby transfer brake component 132 to release the lock.Thus, see through pulling downwards and control part 122, rope roll 136 and driving shaft 118 can be rotated synchronously, thereby rise bottom 116.

In the process of top offset, the user can discharge at any time and control part 122 in bottom 116.When releasing operation spare 122, spring 180 recovers the state of its tight collar tubes 161.The tight Shu Zuoyong of spring 180 can pin and stop sleeve 161 and driving shaft 118 rotations, uses the height that locking curtain sheet 114 is established in desire.Simultaneously, spring 140 will drive rope roll 136 counter-rotatings, to furl operation rope 120.Furl operation rope 120 with rope roll 136, controlling part 122 will be synchronously to top offset, engages up to key 194 insertion grooves 196 and with driving member 186.

The control module 324 that Figure 29 to Figure 33 provides for illustrating another embodiment of the present invention.As shown in figure 29, compared to above-described embodiment, the main difference of control module 324 is the structure of clutch 338.Embodiment according to this, clutch 338 uses the male part 350 of an activity.Male part 350 is installed in fixed axis 146, makes male part 350 and axially carry out length travel along fixed axis 146 with respect to fixed axis 146 rotation.

Figure 30 is the planar projective schematic diagram that illustrates part male part 350.As shown in figure 30, the peripheral surface of male part 350 is formed with one or more guide rails 364 (Figure 30 for example illustrates three guide rails 364), and male part 350 is formed with convex side 355 in its side in the face of sleeve 361.

Referring to Figure 29 and Figure 30, the rope roll 336 that is connected in operation rope 120 can have circular inner chamber 337, and the madial wall of inner chamber 337 can be formed with projection 339.Male part 350 can be installed in the inner chamber 337, and projection 339 is arranged in guide rails 364 respectively slidably.See through cooperatively interacting of projection 339 and guide rails 364, the spinning movement of rope roll 336 can be transferred to male part 350 and rotate synchronously and move longitudinally with respect to rope roll 336, thereby drive male part 350 toward or away from the direction displacement of sleeve 361.In addition, the sleeve 361 that is fixed in driving shaft 118 can be provided with convex side 362 in its side in the face of male part 350, and wherein convex side 362 can be meshing with the convex side 355 of male part 350.

As for mechanisms such as the brake component of controlling module 324, release the lock assemblies, then can adopt as the above embodiments.

Figure 31 and Figure 32 illustrate the schematic diagram that control module 324 rises the curtain sheet.Downwards during pull operation rope 120, will make rope roll 336 rotations, and see through the guide function of projection 339 and guide rails 364, drive that male part 350 rotates and simultaneously towards the direction displacement of sleeve 361, up to convex side 362,355 mutually meshing.After male part 350 and sleeve 361 were mutually meshing, the lasting spinning movement of rope roll 336 can drive sleeve 361 and driving shaft 118 rotations, in order to rise bottom 116 (referring to Fig. 1).

Figure 33 and Figure 34 illustrate the schematic diagram that control module 324 furls operation rope 120.When spring 140 drives rope roll 336 counter-rotatings for furling operation rope 120, see through the guide function of projection 339 and guide rails 364, can drive male part 350 towards the direction displacement of leaving sleeve 361, make the convex side 355 of the convex side 362 disengaging male parts 350 of sleeve 361.By this, but the spinning movement of decoupling zero rope roll 336 furl in the process of operation rope 120 at rope roll 336, sleeve 361 and driving shaft 118 can be motionless by spring 180 lockings of brake component.

Be worth mentioning, above-mentioned can the collocation with any control module with reference to the described safety device 200 of Figure 24 used.Therefore, to embodiment shown in Figure 33, identical safety device also can be arranged at the bottom 122A of operating parts 122 at Figure 25, drives the release the lock assembly in order to prevent operating parts 122 towards the direction of rotation of mistake.

Structure provided by the present invention and mode of operation can see through rotation one and control part, can transfer the brake component of control module to the release the lock state by lock-out state, and be so that the curtain sheet sees through itself gravity decline, easy to operate.

More than narration is according to a plurality of different embodiment of the present invention, and wherein various features can single or different combinations be implemented.Therefore, the exposure of embodiment of the present invention should be regardless of limit the present invention in the embodiment that discloses for illustrating the specific embodiment of principle of the present invention.Further it, before narrated and accompanying drawing only for the usefulness of the present invention's demonstration, be not limited.The variation of other elements or combination be possibility all, and is not contrary in the present invention's spirit and scope.

[main element symbol description]

Curtain 110

Head track road 112 curtain sheets 114

Bottom 116 driving shafts 118

Operation rope 120 is controlled part 122

Rod 122B controls module 124

Brake component 132 release the lock assemblies 134

Rope roll 136

radial flange

136A, 150A

Clutch 138 springs 140,154,180

Housing 142 lids 144

First male part, 150 second male parts 152

Propelling sheave 145 fixed axis 146

Connector 156 rolling members 160

Sleeve 161 guide rails 164

Breach 165 is radially against flange 168

Fluting 169 is fin 172 radially

Extension 176 Resistance 177

Medium pore 178 is draw-in groove 179 radially

The first projecting end 180A, the second projecting end 180B

Ring 182 hole 182A

Convex teeth portion 182B driving member 184,186

Key 192

Safety device 200 urceolus 202

Interior ring 204 contact-making

surface

202A, 204A

Curtain 110 '

Control module 124 ' key 194

Double wedge end 194A groove 196

Control module 324

Clutch 338.Male part 350

Guide rails 364 convex sides 355

Rope roll 336 inner chambers 337

Projection 339 sleeves 361

Convex side 355,362.

Claims

1. control module that curtain is used comprises:

One driving shaft;

One sleeve, itself and this driving shaft fixes;

One brake component, its be arranged at this driving shaft around, wherein this brake component is this sleeve of prevention and the rotation of this driving shaft when a lock-out state, so that the plural curtain sheet of locking curtain is in the position at place, this brake component then allows this sleeve and the rotation of this driving shaft when a release the lock state, so that the plural curtain sheet of curtain sees through the gravity of itself and descends; And

One release the lock assembly, it comprises controls part, this control part for vertical down longitudinal bodies and be connected with this brake component, wherein this is controlled part and can rotate around its major axis, to transfer this brake component to the release the lock state by lock-out state.

2. control module as claimed in claim 1, wherein this brake component comprises a spring, this spring be arranged at this sleeve around, just be lock-out state when this spring is tightly restrainted this sleeve, then be the release the lock state when this spring unclamps.

3. control module as claimed in claim 2, wherein this release the lock assembly also comprises:

One ring, it can be around the pivotal axis rotation of this driving shaft; And

The plural number driving member is arranged at this ring and this is controlled between the part, and wherein this is controlled part and is provided with a major axis, when this controls part around its major axis rotation, these driving member effects of seeing through can drive this ring and rotate an angle around the pivotal axis of this driving shaft, make this spring unclamp.

4. control module as claimed in claim 3, wherein this brake component is wind spring and has one first projecting end and one second projecting end, and this first projecting end is connected with a housing of this control module, and this second projecting end then is connected with this ring.

5. control module as claimed in claim 3, wherein should comprise one first driving member and one second driving member by the plural number driving member, this ring has a convex teeth portion, this convex teeth portion and this first driving member are meshing, and this second driving member can with this control part be connected, and see through gear drive and this first driving member meshing, wherein this gear drive can be helical gear or worm-drive etc.

6. control module as claimed in claim 1 also comprises:

One rope roll;

One operation rope, it is connected with this rope roll; And

One clutch, it is arranged between this brake component and this rope roll;

Wherein, see through this operation rope of pulling, can drive this rope roll rotation and transfer this clutch to a couple state, make the spinning movement of this rope roll drive this sleeve and the rotation of this driving shaft via this clutch, to rise the plural curtain sheet of curtain.

7. control module as claimed in claim 6, wherein this brake component comprises a spring, this spring be arranged at this sleeve around, it is lock-out state when this spring is tightly restrainted this sleeve, when unclamping, this spring then is the release the lock state, and restrict when pulled when this operation, this spring can be transferred to the release the lock state, to rise the plural curtain sheet of curtain.

8. control module as claimed in claim 7, wherein this release the lock assembly also comprises:

One ring, it can be around the pivotal axis rotation of this driving shaft; And

The plural number driving member, it is arranged at this ring and this is controlled between the part, and wherein this controls part when its major axis rotation, sees through the gearing of this plural number driving member, can drive this ring and rotate an angle around the pivotal axis of this driving shaft, makes this spring unclamp.

9. control module as claimed in claim 8, wherein this brake component is wind spring and has one first projecting end and one second projecting end, and this first projecting end is connected with a housing of this control module, and this second projecting end then is connected with this ring.

10. control module as claimed in claim 8, wherein should comprise one first driving member and one second driving member by the plural number driving member, this ring has a convex teeth portion, this convex teeth portion and this first driving member are meshing, and this second driving member can with this control part be connected, and see through gear drive and this first driving member meshing, wherein this gear drive can be helical gear or worm-drive etc.

11. control module as claimed in claim 10, wherein this second driving member is ducted body, and this operation rope passes this second driving member after being stretched out by this rope roll.

12. control module as claimed in claim 11, wherein this operation rope extends along this inboard of controlling part after passing this second driving member, and this operation rope is controlled the part slip with respect to this when pulled.

13. control module as claimed in claim 11, wherein this operation rope passes and controls part with this behind this second driving member and fix, and just can spur this operation when making this control part to bottom offset synchronously and restrict.

14. control module as claimed in claim 13, wherein this is controlled part and comprises a rod and a key, and this key is connected with the top of this rod, and this key can engage with this second driving member with moving apart.

15. control module as claimed in claim 14, wherein this key can be provided with a double wedge end, when this is controlled part and engages with this second driving member, this controls part can drive this second driving member rotation through this double wedge end, when this controls part to bottom offset, this double wedge end then will break away from this second driving member.

16. as arbitrary described control module in the claim 1 to 15, wherein this is controlled part and also is provided with a safety device, wherein this safety device comprises:

Ring in one, its and this control the rod winding slidably of part, make in this ring control the pivotal axis displacement of part along this with respect to this rod, but should in to encircle be to rotate synchronously with this rod; And

One urceolus, itself and this rod articulates, and this urceolus can be rotated with respect to this rod;

Wherein, this urceolus have contacted contact-making surface respectively with this interior ring, and these contact-making surfaces are approximately controlled the pivotal axis of part perpendicular to this, and these contact-making surfaces have the surface of unidirectional sawed-off shape respectively.

17. control module as claimed in claim 16, wherein when this urceolus when a direction is rotated, meshing ring and this of just can driving in this that sees through these contact-making surfaces controlled part and rotated synchronously, and when this urceolus negative side rotates, these contact-making surfaces are mutual pushing tow and can't linking then, make the past top offset of ring in this, this urceolus then dallies.

18. a curtain comprises:

One head track road;

One group of curtain sheet;

One bottom, it is positioned at the below of this curtain sheet;

Several suspension ropes are for being connected between this head track road and this bottom;

Plural number serving unit is for being arranged at this head track road and being connected with this suspension rope; And

One control module, it is arranged at this head track road, and wherein this control module comprises:

One driving shaft, wherein these serving unit and this serving unit winding;

One sleeve, itself and this driving shaft fixes;

One brake component, its be arranged at this driving shaft around, wherein this brake component is this sleeve of prevention and the rotation of this driving shaft when a lock-out state, in order to lock this bottom in the position at place, this brake component then allows this sleeve and the rotation of this driving shaft when a release the lock state, so that this bottom sees through the gravity of itself and descends; And

19. curtain as claimed in claim 18, wherein this control module also comprises:

One rope roll;

One operation rope, it is connected with this rope roll; And

One clutch, it is arranged between this brake component and this rope roll;

Wherein see through this operation rope of pulling, can drive this rope roll rotation and transfer this clutch to a couple state, make the spinning movement of this rope roll drive this sleeve and the rotation of this driving shaft via this clutch, to rise the plural curtain sheet of curtain.

20. curtain as claimed in claim 18, wherein this brake component comprises a spring, this spring be arranged at this sleeve around, just for this lock-out state, this spring unclamped this release the lock state of Shi Zewei when this spring was tightly restrainted this sleeve.

21. control module as claimed in claim 20, wherein this release the lock assembly also comprises:

One ring, it can be around the pivotal axis rotation of this driving shaft; And

22. control module as claimed in claim 20, wherein this brake component is wind spring and has one first projecting end and one second projecting end, and this first projecting end is connected with a housing of this control module, and this second projecting end then is connected with this ring.

23. control module as claimed in claim 21, wherein should comprise one first driving member and one second driving member by the plural number driving member, this ring has a convex teeth portion, this convex teeth portion and this first driving member are meshing, and this second driving member can with this control part be connected, and see through gear drive and this first driving member meshing, wherein this gear drive can be helical gear or worm-drive etc.