CN102908035A - Window curtain with resistance balancing mechanism - Google Patents
Window curtain with resistance balancing mechanism Download PDFInfo
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- CN102908035A CN102908035A CN2011102265925A CN201110226592A CN102908035A CN 102908035 A CN102908035 A CN 102908035A CN 2011102265925 A CN2011102265925 A CN 2011102265925A CN 201110226592 A CN201110226592 A CN 201110226592A CN 102908035 A CN102908035 A CN 102908035A
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Abstract
A window curtain with a resistance balancing mechanism comprises a fixed shell, a pulley and a torsion spring, wherein the fixed shell is provided with at least one propping surface; the pulley is pivoted on the fixed shell, wherein the pulley comprises a rope winding part and a shaft part; a suspending rope can be wound at the rope winding part; the shaft part has the same shaft as the rope winding part and protrudes out from one side of the rope winding part; the torsion spring is used for tightening the shaft part and provided with at least one tail end, wherein the pulley can promote the tail end of the torsion spring to prop against the propping surface of the fixed shell during rotating to one direction, so that the torsion spring is supported and beneficial for the pulley to rotate relative to the torsion spring. In addition, the invention further provides the window curtain with the resistance balancing mechanism.
Description
[technical field]
The present invention is relevant for a kind of curtain, particularly about a kind of hand propelled curtain that is provided with resistance balance mechanism.
[background technology]
Curtain has numerous species, for example blind, roller shutter, and honeycomb curtain etc.When falling 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 curtain, people just can see complete and view clearly by window, and sunlight also can be injected in the room from window.Existing curtain, main framework comprises a top track, an end track, a curtain plate, reaches a driving mechanism, end track is connected in the lower end of this curtain plate, driving mechanism is connected to the inboard of this top track, wherein driving mechanism includes a reel and and exposes to operating rope outside the top track, the user can drive reel and rotate, so that curtain plate is able to lifting by the pull operation rope.
Although operate the lifting of curtain through operating rope very convenient, yet this kind curtain has hiding danger, be exactly that the child might because play, live neck and asphyxiant danger and be operated because of carelessness rope sling.
Therefore, having to provide a kind of safer and operate unpainful curtain, to overcome above-mentioned problem.
[summary of the invention]
The invention provides a kind of curtain that is provided with resistance balance mechanism, see through the track of hand propelled or pulling curtain, reach the purpose of lifting curtain.
According to an embodiment, a kind of resistance balance mechanism for curtain is provided, comprising: a stationary housing is provided with at least one bearing surface; One pulley, for being articulated in this stationary housing, wherein this pulley comprises a serving section and an axial region, can be around a suspension rope be arranged in this serving section, this axial region then has same axle with this serving section and protrudes from a side of this serving section; And a torsion spring, for tight this axial region of bundle and have at least one end, wherein this pulley struts this torsion spring at conflict this bearing surface of this stationary housing of this end that just can impel this torsion spring when a direction is rotated, and rotates with respect to this torsion spring in order to this pulley.
This stationary housing can be provided with one first side and one second side, and this suspension rope can enter this stationary housing by this first side, after this serving section centers on, stretches out in this stationary housing by this second side again.
According to different embodiment, this first side and this second side are approximately relatively vertical or be parallel to each other.
According to an embodiment, this stationary housing also can be provided with the sheet of only restricting in this second side, can form a slit between a lateral margin of this only restrict sheet and this stationary housing, to provide this suspension rope by usefulness.This sheet of only restricting is for being connected to slidably this stationary housing, and can suppress in this suspension rope.In addition, this suspension rope can in this serving section around one the circle or one the circle more than.
According to another embodiment of the present invention, a kind of curtain is provided, comprising: one first track; One second track; One window-blind is for being arranged between this first track and this second track; And at least one suspension rope, be connected between this first track and this second track.Wherein, this second track is provided with at least one resistance balance mechanism and a mechanism of twisting rope, and wherein this suspension rope is connected to this resistance balance mechanism and this mechanism of twisting rope, and this resistance balance mechanism comprises: a stationary housing is provided with at least one bearing surface; One pulley, for being articulated in this stationary housing, wherein this pulley comprises a serving section and an axial region, and this suspension rope can be in this serving section around at least one circle, and this axial region then has same axle with this serving section and protrudes from a side of this serving section; And a torsion spring, for tight this axial region of bundle and have at least one end, wherein this pulley struts this torsion spring at conflict this bearing surface of this stationary housing of this end that just can impel this torsion spring when a direction is rotated, and rotates with respect to this torsion spring in order to this pulley.
According to an embodiment, this stationary housing can be provided with one first side and one second side, and this suspension rope can enter this stationary housing by this first side, after this serving section centers on, stretches out in this stationary housing by this second side again.This first side and this second side can approximately relatively vertically or be parallel to each other.
According to an embodiment, this stationary housing also can be provided with the sheet of only restricting in this second side, can form a slit between a lateral margin of this only restrict sheet and this stationary housing, to provide this suspension rope by usefulness.This sheet of only restricting is connected to this stationary housing slidably, and can suppress in this suspension rope.In addition this suspension rope can in this serving section around one the circle or one the circle more than.
When this first track and this second track relative displacement, with increase this first track and this second interorbital apart from the time, this suspension rope can stretch and drive this pulley from this mechanism of twisting rope and rotate, with this end that impels this torsion spring this bearing surface of conflicting, strut so that tightly restraint in this torsion spring of this pulley, therefore this pulley can rotate with respect to this torsion spring.
When this first track and this second track relative displacement, with reduce this first track and this second interorbital apart from the time, this first track and this second interorbital this suspension rope can be changed into relaxed state, and this mechanism of twisting rope will furl this suspension rope through spring-force driven dual.
When this first track and this second track are in static state, this torsion spring recover tightly to restraint in the state of this pulley and so that this pulley no longer rotate.
According to another embodiment, this resistance balance mechanism and this mechanism of twisting rope separate at a certain distance.
According to an embodiment, this mechanism of twisting rope can include a shell, at least one reel, is connected in the wind spring of this reel, reaches at least one guiding pulley, this guiding pulley is for being installed in slidably an axial region, so that this suspension rope is in the process that furls, this guiding pulley can along this axial region displacement, can be evenly distributed on this reel in order to this suspension rope.
Curtain provided by the present invention can by pushing away on hand or the mode of the lower rail of leaving behind goes to control the lifting of curtain, can not bother in operation.In addition, because the controlling organization of curtain includes resistance balance mechanism, so that the height that institute's wish is established can be adjusted arbitrarily and stop at exactly to window-blind.
[description of drawings]
The hand propelled curtain that Fig. 1 illustrates one embodiment of the invention is in the floor map of pull-down state.
The curtain that Fig. 2 illustrates Fig. 1 is in the floor map of receipts state.
Fig. 3 illustrates the stereogram of a resistance balance mechanism set in the curtain of Fig. 1.
Fig. 4 is the cutaway view that illustrates Fig. 3 midship section C1.
Fig. 5 is the cutaway view that illustrates Fig. 3 midship section C2.
Fig. 6 is the upward view that illustrates resistance balance mechanism.
Fig. 7 illustrates the front view of a mechanism of twisting rope set in the curtain of Fig. 1.
Fig. 8 illustrates the top view of mechanism of twisting rope.
Fig. 9 illustrates the partial sectional view of mechanism of twisting rope.
Figure 10 illustrates resistance balance mechanism at the state stereogram of the second track in the top offset process.
Figure 11 illustrates the cutaway view of Figure 10 midship section C1.
Figure 12 illustrates the cutaway view of Figure 10 midship section C2.
Figure 13 illustrates the resistance balance mechanism of another embodiment of the present invention and the schematic diagram that mechanism of twisting rope is combined into a control module.
Figure 14 illustrates the schematic diagram of the internal structure of mechanism of twisting rope among Figure 13.
Figure 15 illustrates the schematic diagram that one embodiment of the invention is provided with the curtain of the resistance balance mechanism of Figure 13 and mechanism of twisting rope.
The curtain that Figure 16 illustrates Figure 15 is in the schematic diagram of receipts state.
Figure 17 illustrates the cutaway view of another embodiment of resistance balance mechanism.
Figure 18 illustrates the upward view of the resistance balance mechanism of Figure 17.
The again schematic diagram of the resistance balance mechanism that provides of another embodiment of the present invention is provided Figure 19.
The first track 102 second tracks 104
Window-blind 106 suspension ropes 108
The second side 114B pulley 116
The 116A of serving section axial region 116B
122 grooves 124 of boring a hole
The first accommodation space 128A the second accommodation space 128B
Shell 140 reels 142
Opening 146,148 axial regions 145
Gear 150 pivots 152
Linked gear 154 pressing arms 156
The 216A of serving section axial region 216B
Shell 240 connecting plate 240A
242 reels 244 of boring a hole
The first accommodation space 240B the second accommodation space 240C
The first track 302 second tracks 304
Window-blind 306 power transmission shafts 310
The 416A of serving section axial region 416B
The sheet 520 of only restricting
[specific embodiment]
Fig. 1 and Fig. 2 illustrate respectively the floor map of the hand propelled curtain 100 of one embodiment of the invention, and wherein curtain 100 shown in Figure 1 is in drop-down state, 100 floor map that are in the receipts state of curtain shown in Figure 2.Hand propelled curtain 100 comprises the first track 102, the second track 104, window-blind 106, suspension rope 108, resistance balance mechanism 110 and mechanism of twisting rope 112.Up and down two opposite sides of window-blind 106 can be individually fixed in the first track 102 and the second track 104.Resistance balance mechanism 110 and mechanism of twisting rope 112 can be arranged at respectively the second track 104, wherein mechanism of twisting rope 112 is between this two resistance balances mechanism 110,112 of mechanism of twisting rope can separate with each resistance balance mechanism 110 at a certain distance, to form the control module of curtain 100.The first end of each suspension rope 108 is fixed in the first track 102, suspension rope 108 with respect to the second end of first end then respectively by being connected to mechanism of twisting rope 112 after the resistance balance mechanism 110.Mechanism of twisting rope 112 is mainly with Spring driving, and when the second track 104 during to top offset, the spring force that can see through mechanism of twisting rope 112 furl suspension rope 108.When the second track 104 arrives the height that wishs establish, the spring force that mechanism of twisting rope 112 produces, window-blind 106 add the second track 104 gravity, and the application of force such as internal drag (such as the resistance that is produced by resistance balance mechanism 110) can repeal by implication, in order to keep the height that the second track 104 is established in wish.
According to an embodiment, the first track 102 of curtain 100 can be fixed in the top of window, and 104 on the second track that is provided with resistance balance mechanism 110 and mechanism of twisting rope 112 can be hung vertically down by the first track 102.Yet the invention is not restricted to this, also the second track 104 that is provided with resistance balance mechanism 110 and mechanism of twisting rope 112 can be fixed in the top of window, the first track 102 can be hung vertically down by the second track 104.
Material as for window-blind 106 then can comprise cloth, the organ shade that especially forms with cloth.Yet window-blind 106 is not limited to this, also can be comprised of other structure, for example plural curtain sheet, curtain plate etc.
Fig. 3, Fig. 4, Fig. 5 and Fig. 6 are for illustrating respectively the schematic diagram of resistance balance mechanism 110, wherein Fig. 3 is the stereogram that illustrates resistance balance mechanism 110, Fig. 4 illustrates the cutaway view of Fig. 3 midship section C1, and Fig. 5 illustrates the cutaway view of Fig. 3 midship section C2, and Fig. 6 then illustrates the upward view of resistance balance mechanism 110.Such as Fig. 3 to shown in Figure 6, but resistance balance mechanism 110 can comprise pulley 116, a torsion spring 118, and the sheet 120 of only restricting of a stationary housing 114, a turn.Generally speaking, stationary housing 114 can have about rectangle, and comprises the first side 114A and the second side 114B, and wherein the first side 114A of this embodiment and the second side 114B can be approximately relatively vertical.The first side 114A is provided with a perforation 122.The second side 114B then is formed with a groove 124, and is equiped with the sheet 120 of only restricting in the mode of sliding, so that can form a slit 126 between a lateral margin 124A of only restrict sheet 120 and groove 124, passes through so that suspension rope 108 to be provided.
In addition, the inboard of stationary housing 114 can be provided with the first adjacent accommodation space 128A and the second accommodation space 128B, and wherein the first accommodation space 128A and the second accommodation space 128B separate with a sidewall 130.The perforation 122 that the first accommodation space 128A is provided with the first side 114A respectively and the crack 126 of the second side 114B are communicated with.
Fig. 7 and Fig. 8 illustrate respectively front view and the top view of mechanism of twisting rope 112, and Fig. 9 then illustrates the partial sectional view of mechanism of twisting rope 112.Mechanism of twisting rope 112 includes a shell 140, two reels 142, two wind springs 143, reaches two guiding pulleys 144.The relative both sides of shell 140 are respectively equipped with opening 146,148 provides this two suspension rope 108 to pass through.This two guidings pulley 144 is respectively adjacent to this two opening 146,148 and is installed in slidably two axial regions 145, so that guiding pulley 144 can be respectively with respect to axial region 145 upper and lower displacements.
Each reel 142 is articulated in the shell 140, and the top of each reel 142 is fixed with respectively gear 150.The pivot of reel 142 is parallel and about axis perpendicular to pulley 116 with axial region 145.In addition, also be articulated with a pivot 152 on 142 on this two reel in the shell 140.Pivot 152 approximately is parallel to the pivot of reel 142, and the top of pivot 152 is fixed with a linked gear 154.Linked gear 154 is for being engaged in respectively the gear 150 of this two reel 142, so that this two reel 142 can rotate synchronously, thereby furls synchronously or discharges suspension rope 108.
Also be respectively equipped with pressing arm 156 at contiguous each reel 142 place, press close to reel 142 and furl in order to guarantee suspension rope 108.The first end of pressing arm 156 can articulate with shell 140, and the second end of pressing arm 156 then can be suppressed suspension rope 108 on the surface of reel 142.Furl gradually on the reel 142 with suspension rope 108, pressing arm 156 can see through its pivoting point Adjustment of displacement.
As shown in Figure 9, wind spring 143 is installed in respectively in the reel 142, and the first end of wind spring 143 can be fixing with shell 140, and the second end of wind spring 143 then can be fixed in reel 142.See through the elastic force of wind spring 143, can impel reel 142 to the direction rotation that furls suspension rope 108.
When mechanism of twisting rope 112 was installed, this two suspension rope 108 stretched into respectively the inside of shell 140 by opening 146,148, after this two guidings pulley 144 detours, connected and furled in this two reel 142.Reel 142 can see through the elastic force of wind spring 143 and rotate, in order to furl suspension rope 108, and in the process that suspension rope 108 furls, guiding pulley 144 can be along axial region 145 displacements, can be evenly distributed on the surface of reel 142 in order to the volume circle of suspension rope 108.
The follow-up method of operating that curtain 100 is described with reference to Fig. 1 to Figure 11.At first with reference to Fig. 1 and Fig. 3 to Fig. 9, the user is during along arrow F1 pulled down the second track 104 (namely along increasing the direction of the first track 102 with the distance of 104 on the second track), and each suspension rope 108 will stretch from reel 142, thereby band movable reel 142 rotates.Simultaneously, the suspension rope 108 that stretches from reel 142 also rotates toward a direction (for example counterclockwise among Fig. 5) with movable pulley 116, impel the terminal 118A conflict bearing surface 132 of torsion spring 118, and therefore the torsion spring 118 of tightly restrainting pulley 116 can strut, and makes pulley 116 be able to rotate with respect to torsion spring 118 swimmingly.Therefore, suspension rope 108 length of 104 on the first track 102 and the second track can be elongated gradually.
When the user stopped drop-down the second track 104 (namely the first track 102 and the second track 104 are in static state), torsion spring 118 recovered tightly to restraint in the state of pulley 116 so that pulley 116 no longer rotates, and on the pulley 116 because producing resistance around suspension rope 108.Therefore, the elastic force that wind spring 143 imposes on reel 142 can offset the gravity that imposes on the second track 104, resistance that resistance balance mechanism 110 produces, and the resistance of other inner member, and reel 142 is stopped operating.Total application of force that cause the second track 104 receives is reached the state of balance, makes the second track 104 can stably stop at the position that institute's wish is established.
As shown in Figure 2, when the user up receives the second track 104 direction of the distance that reduces by 104 on the first track 102 and the second track (namely along) along arrow F2, the suspension rope 108 that the first track 102 and the second track are 104 can be changed into relaxed state, and the reel 142 of mechanism of twisting rope 112 will rotate to furl suspension rope 108 in the opposite direction.Cooperate Fig. 2, Figure 10 to Figure 12 illustrates resistance balance mechanism 110 in the view of the second track 104 in the top offset process, wherein Figure 10 is the stereogram that illustrates resistance balance mechanism 110, Figure 11 is the cutaway view that illustrates Figure 10 midship section C1, and Figure 12 then illustrates the cutaway view of Figure 10 midship section C2.Furl in the process of suspension rope 108 at reel 142, the effect of sheet 120 owing to only restricting, be maintained at tensioned state and can not tie a knot so that be positioned at the suspension rope 108 of 112 of resistance balance mechanism 110 and mechanism of twisting rope, can not tie a knot therefore suspension rope 108 can furl on reel 128 and swimmingly along the slip around of pulley 116.Therefore, the length of the suspension rope 108 of 104 on the first track 102 and the second track can shorten gradually.
When the user stopped up receiving the second track 104, torsion spring 118 recovered tightly to restraint in the state of pulley 116 and so that pulley 116 no longer rotates, and suspension rope 108 produces resistance because of the expansion contact area with pulley 116.Therefore, the elastic force that wind spring 143 imposes on reel 142 can offset the gravity that imposes on the second track 104, resistance that resistance balance mechanism 110 produces, and the resistance of other inner member, the second track 104 reel 142 stopped operating, therefore can stop in the position that institute's wish is established.
See through above-mentioned controlling organization, the second track 104 can be stopped at an arbitrary position.Working range with regard to wind spring 143 in the mechanism of twisting rope 112, both made the adjustment of the second track 104 arrive its border, the resistance that resistance balance mechanism 110 produces is the abundant spring force of balance mechanism of twisting rope 112 still, so that curtain 100 can provide smoothly operation and stable halted state.Except above-described embodiment, resistance balance mechanism also can use in conjunction with other mechanism of twisting rope.
Figure 13 illustrates the schematic diagram that resistance balance mechanism 210 is combined with the embodiment of another mechanism of twisting rope 212, and Figure 14 then illustrates the schematic diagram of the internal structure of mechanism of twisting rope 212.As shown in figure 13, resistance balance mechanism 210 can be connected with group with mechanism of twisting rope 212 and consist of a control module.Resistance balance mechanism 210 and above-mentioned resistance balance mechanism 110 have approximate construction, but comprise pulley 216, a torsion spring 218 of stationary housing 214, a turn.Pulley 216 can be articulated in stationary housing 214, and include a 216A of serving section and an axial region 216B, its middle shaft part 216B and the 216A of serving section have same axle and protrude from the side of the 216A of serving section, make the 216A of serving section and the axial region 216B can be around same axis synchronous rotary.
Then with reference to Figure 13 and Figure 14, mechanism of twisting rope 212 can include a shell 240, and a side of shell 240 is provided with a plate 240A, and to hang resistance balance mechanism 110 fixing to provide.Suspension rope 108 can see through perforation 242 after by resistance balance mechanism 210 enter shell 240, so as with mechanism of twisting rope 212, inner member be connected.
As shown in figure 14, mechanism of twisting rope 212 can be provided with a reel 244 and a wind spring 246 in shell 240.One side of reel 244 can be connected with a hollow shaft 248, and wherein reel 244 and hollow shaft 248 can be integrally formed or be part fastened to each other.The inboard of shell 240 defines at least one the first accommodation space 240B and one second accommodation space 240C, and reel 244 can be arranged at the first accommodation space 240B, 248 of hollow shafts are arranged at the second accommodation space 240C, so that reel 244 can pivot with respect to shell 240 around same axis with hollow shaft 248.When mounted, reel 244 and hollow shaft 248 also can receive a power transmission shaft 310 (illustrating with dotted line) by wherein, in order to connect with other mechanism of twisting rope.
Cooperate Figure 13 and Figure 14, Figure 15 is the schematic diagram that illustrates the curtain 300 that is provided with resistance balance mechanism 210 and mechanism of twisting rope 212.Curtain 300 comprises the first track 302, is provided with the second track 304 of resistance balance mechanism 210 and mechanism of twisting rope 212 and is connected in the first track 302 and the window-blind 306 of 304 on the second track.The second track 304 of curtain 300 can be fixed in the top of window, and 302 on the first track can be hung vertically down by the second track 304.
A power transmission shaft 310 be can be provided with in the second track 304, plural resistance balance mechanism 210 and mechanism of twisting rope 212 reached.Power transmission shaft 310 can be by shell 240, hollow shaft 248 and reel 244 installings of each mechanism of twisting rope 212, in order to define the pivotal axis of hollow shaft 248 and reel 244, but so that power transmission shaft 310 can with hollow shaft 248 and reel 244 synchronous rotaries of each mechanism of twisting rope 212.
Suspension rope 108 (illustrating with dotted line) is for being connected between mechanism of twisting rope 212 and the first track 302, that is: the first end of suspension rope 108 can be connected with the reel 244 of mechanism of twisting rope 212, and the second end of suspension rope 108 then is fixed in the first track 302.
As above-described embodiment, during user's pulled down the first track 302, each suspension rope 108 will stretch from the reel 244 of mechanism of twisting rope 212, thus 244 rotations of band movable reel.Simultaneously, also be with movable pulley 216 to rotate from the suspension rope 108 that reel 244 stretches, impel the terminal 218A conflict bearing surface 232 of torsion spring 218, and therefore the torsion spring 218 of tightly restrainting pulley 216 can strut, and makes pulley 216 be able to rotate with respect to torsion spring 218 swimmingly.When the user stopped drop-down the first track 302, torsion spring 218 recovered tightly to restraint in the state of pulley 216 and so that pulley 216 no longer rotates, and suspension rope 108 produces resistance because of the expansion contact area with pulley 216.Therefore, the elastic force that wind spring 246 imposes on reel 244 can offset the gravity that imposes on the first track 302, resistance that resistance balance mechanism 210 produces, and the resistance of other inner member, the first track 302 reel 244 stopped operating, therefore can stop in the position that institute's wish is established.
As shown in figure 16, when the user up receives the first track 302, the suspension rope 108 that the first track 302 and the second track are 304 will become relaxed state, and the reel 244 of mechanism of twisting rope 212 will rotate to furl suspension rope 108 in the opposite direction.When the user stopped up receiving the first track 302, torsion spring 218 recovered tightly to restraint in the state of pulley 216 and so that pulley 216 no longer rotates, and suspension rope 108 produces resistance because of the expansion contact area with pulley 216.Therefore, the elastic force that wind spring 246 imposes on reel 244 can offset the gravity that imposes on the first track 302, resistance that resistance balance mechanism 210 produces, and the resistance of other inner member, the first track 302 reel 244 stopped operating, therefore can stop in the position that institute's wish is established.
Resistance balance provided by the present invention mechanism except said structure, also can be realized by other embodiment.For example, although above-described embodiment is the two-way torsion spring of use, resistance balance mechanism also can adopt unidirectional torsion spring to realize, such as Figure 17 and shown in Figure 180.
Figure 17 is the cutaway view that illustrates another resistance balance mechanism 410, and Figure 18 then illustrates the upward view of resistance balance mechanism 410.Resistance balance mechanism 410 can be similar to aforesaid embodiment, but comprise pulley 416, a torsion spring 418, and the sheet 420 of only restricting of a stationary housing 414, a turn.Pulley 416 can be articulated in stationary housing 414, and include a 416A of serving section and an axial region 416B, its middle shaft part 416B and the 416A of serving section have same axle and protrude from the side of the 416A of serving section, make the 416A of serving section and the axial region 416B can be around same axis synchronous rotary.Torsion spring 418 is for having the unidirectional torsion spring of a terminal 418A, and it is tightly restrainted in the ambient surface of the axial region 416B of pulley 416, and the terminal 418A of torsion spring 418, is fixed in stationary housing 414.108 the first side 414A intake resistance balanced controls 410 by resistance balance mechanism 410 of suspension rope, on the 416A of serving section of pulley 416 behind an about circle half, again through only restricting sheet 420 and stretched out by the second side 414B of resistance balance mechanism 410.
The mode of operation of resistance balance mechanism 410 is same as the previously described embodiments.When user's pulled down the second track the track of the first track suspention (namely by), the suspension rope 108 that is stretched can be with movable pulley 416 to rotate toward a direction, impel tight the bundle in the torsion spring 418 of pulley 416 to strut, make pulley 416 be able to rotate with respect to torsion spring 418 swimmingly.Therefore, the first track and the second interorbital suspension rope 108 length can be elongated gradually.When the user stops drop-down the second track (namely the first track and the second track are in static state), torsion spring 418 recover tightly to restraint in the state of pulley 416 and so that pulley 416 no longer rotate, and on the pulley 416 because produce resistance around multi-turn suspension rope 108, so that the mutual balance of the application of force that the second track receives, so as the second orbitally stable stop at the position that institute's wish is established.
Except suspension rope 108 turning points, above-mentioned resistance balance mechanism also can be placed in other position, as shown in figure 19.In Figure 19, suspension rope 108 can turn to through a pulley 502, by the first side 514A intake resistance balanced controls 510, on the pulley 516 behind an about circle, again through only restricting sheet 520 and stretched out by the second side 514B of resistance balance mechanism 510, in order to be connected with mechanism of twisting rope 112/212.As previous embodiment, resistance balance mechanism 510 can be provided with tight torsion spring (not shown) of restrainting in pulley 516.The second side 514B is approximately parallel with the first side 514A, so that intake resistance balanced controls 510 and the suspension rope 108 that stretches out in resistance balance mechanism 510 all are parallel to same direction.
Curtain provided by the present invention does not have the setting operation rope, by pushing away on hand or the mode of the lower rail of leaving behind goes to control the lifting of curtain, can not bother in operation fully, and avoid the child because play and be operated the danger that rope snarls.In addition, because the controlling organization of curtain includes resistance balance mechanism, so that the height that institute's wish is established can be adjusted arbitrarily and stop at exactly to window-blind.
Above 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 had before been narrated and accompanying drawing only is the usefulness of the present invention's demonstration, not limited by its limit.The variation of other elements or combination be possibility all, and is not contrary in the present invention's spirit and scope.
Claims (19)
1. resistance balance mechanism that is used for curtain comprises:
One stationary housing is provided with at least one bearing surface;
One pulley, for being articulated in this stationary housing, wherein this pulley comprises a serving section and an axial region, can be around a suspension rope be arranged in this serving section, this axial region then has same axle with this serving section and protrudes from a side of this serving section; And
One torsion spring, for tight this axial region of bundle and have at least one end, wherein this pulley struts this torsion spring at conflict this bearing surface of this stationary housing of this end that just can impel this torsion spring when a direction is rotated, and rotates with respect to this torsion spring in order to this pulley.
2. resistance balance as claimed in claim 1 mechanism, wherein this stationary housing is provided with one first side and one second side, this suspension rope can enter this stationary housing by this first side, after this serving section centers on, stretches out in this stationary housing by this second side again.
3. resistance balance as claimed in claim 2 mechanism, wherein this first side and this second side are approximately relatively vertical.
4. resistance balance as claimed in claim 2 mechanism, wherein this first side and this second side approximately are parallel to each other.
5. resistance balance as claimed in claim 2 mechanism, wherein this stationary housing also is provided with the sheet of only restricting in this second side, can form a slit between a lateral margin of this only restrict sheet and this stationary housing, to provide this suspension rope by using.
6. resistance balance as claimed in claim 5 mechanism, wherein this sheet of only restricting is for being connected to slidably this stationary housing, and can suppress in this suspension rope.
7. resistance balance as claimed in claim 1 mechanism, wherein this suspension rope can in this serving section around a circle or more than the circle.
8. curtain comprises:
One first track;
One second track;
One window-blind is for being arranged between this first track and this second track; And
At least one suspension rope is connected between this first track and this second track;
Wherein, this second track is provided with at least one resistance balance mechanism and a mechanism of twisting rope, and wherein this suspension rope is connected to this resistance balance mechanism and this mechanism of twisting rope, and this resistance balance mechanism comprises:
One stationary housing is provided with at least one bearing surface;
One pulley, for being articulated in this stationary housing, wherein this pulley comprises a serving section and an axial region, and this suspension rope can be in this serving section around at least one circle, and this axial region then has same axle with this serving section and protrudes from a side of this serving section; And
One torsion spring, for tight this axial region of bundle and have at least one end, wherein this pulley struts this torsion spring at conflict this bearing surface of this stationary housing of this end that just can impel this torsion spring when a direction is rotated, and rotates with respect to this torsion spring in order to this pulley.
9. curtain as claimed in claim 8, wherein this stationary housing is provided with one first side and one second side, and this suspension rope can enter this stationary housing by this first side, after this serving section centers on, stretches out in this stationary housing by this second side again.
10. curtain as claimed in claim 9, wherein this first side and this second side are approximately relatively vertical.
11. curtain as claimed in claim 9, wherein this first side and this second side approximately are parallel to each other.
12. curtain as claimed in claim 9, wherein this stationary housing also is provided with the sheet of only restricting in this second side, can form a slit between a lateral margin of this only restrict sheet and this stationary housing, to provide this suspension rope by using.
13. curtain as claimed in claim 12, wherein this sheet of only restricting is for being connected to slidably this stationary housing, and can suppress in this suspension rope.
14. curtain as claimed in claim 8, wherein this suspension rope can in this serving section around one the circle or one the circle more than.
15. curtain as claimed in claim 8, wherein when this first track and this second track relative displacement, with increase this first track and this second interorbital apart from the time, this suspension rope will stretch and drive this pulley from this mechanism of twisting rope and rotate, with this end that impels this torsion spring this bearing surface of conflicting, strut so that tightly restraint in this torsion spring of this pulley, therefore this pulley can rotate with respect to this torsion spring.
16. curtain as claimed in claim 8, wherein when this first track and this second track relative displacement, with reduce this first track and this second interorbital apart from the time, this first track and this second interorbital this suspension rope can be changed into relaxed state, and this mechanism of twisting rope will furl this suspension rope through spring-force driven dual.
17. curtain as claimed in claim 8, wherein when this first track and this second track are in static state, this torsion spring recover tightly to restraint in the state of this pulley and so that this pulley no longer rotate.
18. curtain as claimed in claim 8, wherein this resistance balance mechanism and this mechanism of twisting rope separate at a certain distance.
19. curtain as claimed in claim 8, wherein this mechanism of twisting rope includes a shell, at least one reel, is connected in wind spring, and at least one guiding pulley of this reel, this guiding pulley is for being installed in slidably an axial region, so that this suspension rope is in the process that furls, this guiding pulley can along this axial region displacement, can be evenly distributed on this reel in order to this suspension rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102265925A CN102908035A (en) | 2011-08-04 | 2011-08-04 | Window curtain with resistance balancing mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102265925A CN102908035A (en) | 2011-08-04 | 2011-08-04 | Window curtain with resistance balancing mechanism |
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| CN102908035A true CN102908035A (en) | 2013-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011102265925A Pending CN102908035A (en) | 2011-08-04 | 2011-08-04 | Window curtain with resistance balancing mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108150080A (en) * | 2018-02-08 | 2018-06-12 | 宁波王门家居用品有限公司 | The control method of curtain controller, lifting curtain rolling pole and curtain |
| CN109996474A (en) * | 2016-09-15 | 2019-07-09 | Iim控股私人有限公司 | Curtain controls equipment |
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| US5133399A (en) * | 1990-12-17 | 1992-07-28 | Hiller Jeffrey H | Apparatus by which horizontal and vertical blinds, pleated shades, drapes and the like may be balanced for "no load" operation |
| CA2146086C (en) * | 1994-04-06 | 2006-05-16 | Otto Kuhar | Cordless, balanced window covering |
| CN200955342Y (en) * | 2006-09-14 | 2007-10-03 | 得来意股份有限公司 | Pull-cord-free window curtain structure |
| CN101173593A (en) * | 2006-11-02 | 2008-05-07 | 德侑股份有限公司 | Suspension system for a cordless window covering |
| TWM341757U (en) * | 2008-05-05 | 2008-10-01 | Suzhou Hongyi Ornament Material Co | String-free drapes |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5133399A (en) * | 1990-12-17 | 1992-07-28 | Hiller Jeffrey H | Apparatus by which horizontal and vertical blinds, pleated shades, drapes and the like may be balanced for "no load" operation |
| CA2146086C (en) * | 1994-04-06 | 2006-05-16 | Otto Kuhar | Cordless, balanced window covering |
| CN200955342Y (en) * | 2006-09-14 | 2007-10-03 | 得来意股份有限公司 | Pull-cord-free window curtain structure |
| CN101173593A (en) * | 2006-11-02 | 2008-05-07 | 德侑股份有限公司 | Suspension system for a cordless window covering |
| TWM341757U (en) * | 2008-05-05 | 2008-10-01 | Suzhou Hongyi Ornament Material Co | String-free drapes |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109996474A (en) * | 2016-09-15 | 2019-07-09 | Iim控股私人有限公司 | Curtain controls equipment |
| US11229310B2 (en) | 2016-09-15 | 2022-01-25 | Iim Holding B.V. | Curtain controlling device |
| CN108150080A (en) * | 2018-02-08 | 2018-06-12 | 宁波王门家居用品有限公司 | The control method of curtain controller, lifting curtain rolling pole and curtain |
| CN108150080B (en) * | 2018-02-08 | 2023-06-23 | 贝芬(宁波)家居科技有限公司 | Curtain controller, lifting curtain rod and curtain control method |
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Application publication date: 20130206 |