CN205532186U - Wireless blind - Google Patents
Wireless blind Download PDFInfo
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- CN205532186U CN205532186U CN201620308696.9U CN201620308696U CN205532186U CN 205532186 U CN205532186 U CN 205532186U CN 201620308696 U CN201620308696 U CN 201620308696U CN 205532186 U CN205532186 U CN 205532186U
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Abstract
The utility model relates to a wireless blind, this wireless blind include upper beam, underbeam, a plurality of rectangular shape blade, stay cord, source power take off assembly, total output axle, are equipped with the spring in the power take off assembly of source, and source power take off assembly links to each other with the total output axle is fixed for the stay cord that promotes the blade passes each blade setting, and the bottom of stay cord links to each other with the underbeam is fixed, wireless blind still includes when blind is drop -down to be provided rolling friction, provides the ratchet subassembly of static friction when static to the stay cord, but the ratchet subassembly including unidirectional rotation's ratchet, be used for restricting ratchet retrograde rotation's pawl, ratchet fixedly connected with ratchet shaft, stay cord pass the ratchet shaft and the at least a week setting of winding on the ratchet shaft, the top of this stay cord is epaxial at the total output in the predetermined number of turns after -fixing of the epaxial winding of total output. Provide rolling friction when making blind drop -down, provide the static friction when blind be static, the friction disappears when blind lifts.
Description
Technical field
This utility model relates to sun blind technical field, specifically a kind of cordless blind curtain.
Background technology
Conventional blind curtain is made up of vane group, upper beam, underbeam, stay cord, lockset, ladder band, ladder band steering gear, and lockset, ladder band steering gear are placed in upper beam.Being limited with the kind of drive owing to system limits, stay cord is actual to hang down long actually above curtain is actual after curtain is packed up, and general the most at least two strands of stay cords of conventional blind curtain, rope is arbitrarily placed to be easy to be formed by knots tied and ring-type child caused accident.Although there being disconnection device to carry out improving and rope wire clamp at present, but still problem can not be solved at all.Require according to European Union the 2011/477/EUth resolution: curtain rope or chain must not form a dangerous circulating ring, corresponding safety device during deisgn product, should be provided to reduce risk of suffocating.
Curtain without stretching wire solves being preferably selected of the problems referred to above by being, at present curtain without stretching wire typically resists curtain blade gravity using coil spring or leaf spring as driving source and hands applies makes a concerted effort, equilibrant after withdrawing using frictional force and curtain gravity as the power that hands applies, reach curtain folding optional position i.e. stop effect, owing to blind is after up and down motion i.e. stops to optional position, owing to blade quantity changes, the power causing blade and underbeam to be delivered to rope changes the most therewith, for adapting to this kind of change, this strength just requiring recoil of spring and frictional force will one suitably in the range of mate, lighter weight due to blade, therefore the range of choice of recoil of spring power is the narrowest, between different blinds, the versatility of spring is poor；Owing to the change of blind material, size is bigger, blind generally requires purchase multiple spring when producing；Have chosen suitable spring even from blind specification, production in enormous quantities easily causes the uncertainty that has of frictional force due to technique assembling and use, resilience force and frictional force, gravity unmatched situation the most easily occur after assembling；Simultaneously because reasons such as service lifes, after spring uses for a long time, strength dies down, and cannot hover because resilience force deficiency causes owing to easily causing blind.
The balancing structure of the entitled curtain without stretching wire of China Patent No. CN 2822440Y, it discloses and uses counterweight mode to change the technical scheme of lower rail weight, it is ensured that same width curtain, will not resilience after curtain fully opens after under same system, width changes；This technical scheme is higher to the requirement of balancing weight, and is producing in enormous quantities and all can occur after long-time use just having opened the distance of a section or the problem of full opening of final stage inefficacy.
Rail on China Patent No. CN 205036272U entitled Non-stay-cord venetian blind braking winding and Non-stay-cord venetian blind, it discloses and uses increase around the mode of post to increase the technical scheme of stay cord frictional force, owing to stay cord retraction strength upwards is less than the gravity of underbeam, under not increasing on the premise of rail weight (under Zeng Jiaing, rail weight can increase cost accordingly), upwards receive curtain and can feel that curtain strength is not enough, cause curtain recovering effect poor.
In above-mentioned solution, the Frotteurism of blind pull-down state and resting state medium pulling rope is constant, therefore the strength of recoil of spring and frictional force will one suitably in the range of mate, prevent blind to lose efficacy.
China Patent No. CN 204299434 U
Entitled one can brake type Non-stay-cord venetian blind, it discloses and a kind of uses button and back-moving spring to coordinate the technical scheme controlling the effect of shell fragment lifting rope mechanism；Rail under the entitled a kind of non-dragline type blind curtain of China Patent No. CN 201137449, it discloses a kind of technical scheme using switching device to control shutter type curtain；Above two technical scheme is required for manual carrying out and switchs, and frame for movement is relative complex, relatively costly.
Owing to the rising of stay cord and the stress demand of resting state are contrary, in order to obtain comparatively ideal retraction strength, when blind is drop-down, the drop-down strength scalable applied due to people, therefore spring strength can be the biggest, it is not necessary to carries out accurate adaptation；But blind static time, for preventing blade from gliding or shrinking, need to rely on the cooperation of the gravity of recoil of spring power and blind, blind is applied to the gravity of stay cord to be changed along with blind opening degree, the resilience force of spring can change along with the use time of blind simultaneously, and the selection having thereby resulted in spring is the most difficult, and the versatility of spring is poor, need, according to size, the surface quality of workpieces situation of blind, spring is selected pairing, have a strong impact on production efficiency.
It is thus desirable to search out a kind of mechanism so that blind can provide resistance needs resistance when, it is not necessary to when this power can remove again, or diminish.
Utility model content
Technical problem to be solved in the utility model be to provide a kind of folding and unfolding flexibly, can easily be accommodated, spring selects unrestricted cordless blind curtain.
In order to solve the problems referred to above, this utility model provides a kind of cordless blind curtain, described cordless blind curtain includes: upper beam, underbeam, multiple strip blade, stay cord, for provide reset power driving source output assembly, total output shaft, it is provided with spring in described driving source output assembly, described driving source output assembly is fixedly linked with described total output shaft, arranging through each blade in order to promote the stay cord of blade, the bottom of described stay cord is fixedly linked with underbeam；Cordless blind curtain be additionally included in blind drop-down time stay cord provided rolling friction, static time stay cord provided the ratchet assembly of static friction, described ratchet assembly include can single direction rotation ratchet, for limiting the ratchet of ratchet counter-rotating, described ratchet is fixedly connected with ratchet shaft, described stay cord is through described ratchet shaft and is wound around the setting of at least one week on described ratchet shaft, and the top of this stay cord is fixed on total output shaft after being wound around the default number of turns on described total output shaft；During use, the underbeam of cordless blind curtain is pulled down with hands, stay cord is tightened and is moved downward, existence due to frictional force, stay cord drives ratchet, total output shaft, driving source output assembly synchronous rotary, spring in driving source output assembly is deformed upon, and ratchet assembly is rolling friction for the friction that stay cord provides, and therefore can complete the drop-down of curtain without applying the pulling force of more extra opposing frictional resistance；When removing the lower pulling force on underbeam, existence due to ratchet, ratchet cannot reversely rotate, friction between stay cord and ratchet shaft is transferred to static friction by rolling friction, due to the characteristic of the frictional force that rope is wound on cylinder, frictional force is greatly enhanced, this frictional force scope be far longer than springback power and blind downward gravity (blade and the weight of underbeam) balance needed for strength, the underbeam and the blade that make blind keep static, and balance is difficult to be destroyed；When needing to pack up blind, have only to that underbeam is applied with towing force so that underbeam is in the position wishing to stop, come loose at this moment stay cord, static friction between stay cord and ratchet shaft disappears, spring reset, described driving source output assembly, total output shaft synchronous is driven to rotate so that unnecessary stay cord is again wrapped around on total output shaft；When blind is retracted to precalculated position, removing the uplift force on underbeam, stay cord is tightened, and the static friction between stay cord and ratchet shaft is recovered, and the underbeam of blind and blade keep static again.
Further, described cordless blind curtain also includes the ladder band for adjusting blade angle, the terraced band steering gear for adjusting ladder band direction it is socketed with on described total output shaft, the bottom of described ladder band is fixedly linked with described underbeam, the top of described ladder band is around being connected in ladder band steering gear, it is simple to adjust the angle of blade.
Further, described driving source output assembly also includes that spring case, spring driving shaft and described spring driving shaft can drive mutually the spring passive axle carrying out rotatable engagement, described spring driving shaft, spring passive axle are located in described spring case, described spring is located in spring driving shaft, this spring case is additionally provided with spring case capping, the capping of this spring case is provided with and is suitable to the through hole that described total output shaft passes through, so that described total output shaft is fixedly linked through described through hole with described spring passive axle, for providing power to total output shaft.
Further, described cordless blind curtain also includes for being wound around and the stay cord wire rod on fixed pulling rope top, described stay cord wire rod is socketed on described total output shaft, described stay cord wire rod is that cylinder is arranged, to reduce rope resistance of lateral displacement on stay cord wire rod, the leading-out terminal diameter of this stay cord wire rod by outer and in be gradually reduced, it is simple to stay cord ordered arrangement.
Further, described cordless blind curtain also includes the wire rod big envelope suitable with described stay cord wire rod shape, described stay cord wire rod is provided with and is suitable to the draw-in groove that described stay cord passes through, the top of described stay cord is stuck in draw-in groove, described wire rod big envelope inserts the end of described stay cord wire rod so that stay cord is clamped in draw-in groove.
Further, described ratchet is single action fit on ratchet mechanism, described cordless blind curtain also includes the mounting seat for installing stay cord wire rod and for installing the ratchet mounting seat of ratchet assembly, second pivot is set in the ratchet shaft of described ratchet, described ratchet passes through the second pivotal engagement in described ratchet mounting seat, described ratchet mounting seat is arranged on the downside of the leading-out terminal of stay cord wire rod in described mounting seat, for preventing the ratchet of described ratchet counter-rotating to be arranged on the relative inner of described ratchet.The frictional resistance size being wound on cylinder due to stay cord becomes positive correlation with winding turns, coefficient of friction, force size, frictional resistance when ratchet mechanism utilizes this principle amplification blind static just, thus more effectively ensure that blind stopping at an arbitrary position is all without inefficacy, and blind resistance can be less than its resistance time static when moving upward, well ensure that it can the most upwards shrink.
Further, described cordless blind curtain also includes the leading block being arranged on described ratchet opposite exterior lateral sides, and this leading block is by the first pivotal engagement in described ratchet mounting seat, and the most described stay cord slides.
Further, described upper beam is provided with U-shaped groove, and described driving source output assembly is arranged on one end of upper beam, and described stay cord wire rod, total output shaft are arranged in the U-shaped groove of upper beam, elegant in appearance.
Further, cordless blind curtain also includes the steering gear mounting seat for installing ladder band steering gear, for installing and limit ladder band steering gear.
Further, the bottom of the stay cord being wrapped on ratchet shaft is passed by the relative inner of ratchet shaft, each blade is provided with and runs through groove accordingly, stay cord through described in run through groove be arranged on described cordless blind curtain end ladder band, make stay cord hidden be arranged on two ladder band between, good concealment, safety is high, elegant in appearance.
nullThe technique effect of utility model: (1) cordless blind of the present utility model curtain，Relative to prior art，By the ratchet of single direction rotation、Ratchet、Ratchet shaft coordinates with stay cord，Rolling friction is provided when blind is drop-down、Static friction is provided when blind is static、When carrying on blind, friction disappears，Realize the drop-down of blind optional position and on carry，Due to differing greatly of static friction and rolling friction，Therefore the resilience force of spring can not be by blind weight、The restriction of assembled condition，Without the size according to blind、Spring is selected pairing by surface quality of workpieces situation，Solve the curtain of different size in the least specification limit, need to match the problem of spring of suitable elastic force，Spring between different size curtain can arbitrarily exchange、Increase and decrease，It is suitable for any curtain width and the curtain of length，Without regulating spring strength and underbeam load-bearing，Improve the interchangeability of spring，Production efficiency is greatly improved，Reduce production cost；Can be selected for the spring that resilience force is bigger, solve the problem that the blind folding and unfolding caused due to the inefficacy of spring after blind uses a period of time was lost efficacy, be substantially improved service life；(2) being arranged on hidden for the two ends of stay cord in upper beam, underbeam, blind is outside without stay cord, it is to avoid security incident occur.
Accompanying drawing explanation
Fig. 1 is the stereo decomposing structural representation of this utility model cordless blind curtain；
Fig. 2 is the assembling schematic diagram of stay cord of the present utility model, stay cord wire rod, ratchet and leading block；
Fig. 3 is the left view of Fig. 2；
Fig. 4 is the assembling schematic diagram of stay cord of the present utility model, stay cord wire rod, ratchet, ratchet mounting seat and leading block；
Fig. 5 is the assembling schematic diagram of ratchet of the present utility model, ratchet, ratchet mounting seat；
Fig. 6 is the stereoscopic mechanism schematic diagram of this utility model stay cord wire rod；
Fig. 7 is the stereo decomposing structural representation of driving source of the present utility model output assembly.
In figure: upper beam 1, underbeam 2, lower big envelope 3, blade 4, stay cord 5, ladder band 6, driving source output assembly 7, spring case 71, spring driving shaft 72, spring 73, spring passive axle 74, spring case capping 75, through hole 76, total output shaft 8, mounting seat 9, steering gear mounting seat 10, ladder band steering gear 11, stay cord wire rod 12, draw-in groove 121, wire rod leading-out terminal 122, wire rod big envelope 13, leading block 14, ratchet 15, ratchet shaft 151, ratchet 16, ratchet mounting seat 17, the first pivot 18, the second pivot 19.
Detailed description of the invention
Embodiment 1
As shown in Figure 1, blind without stay cord includes upper beam 1, underbeam 2, multiple strip blades 4, stay cord 5, for providing the driving source of reset power to export assembly 7, total output shaft 8, for being wound around and the stay cord wire rod 12 of fixed pulling rope 5, as shown in Figure 7, driving source output assembly 7 includes spring case 71, spring driving shaft 72, the spring 73 being located in spring driving shaft 72, the spring passive axle 74 matched with spring driving shaft 72, spring driving shaft 72, spring passive axle 74 coordinates to drive mutually in spring case 71 and rotates, this spring case 71 is additionally provided with spring case capping 75, this spring case capping 75 is provided with and is suitable to the through hole 76 that total output shaft 8 passes through, so that total output shaft 8 is fixedly linked through through hole 76 with spring passive axle 74.
Cordless blind curtain also includes that 3 groups (other embodiments can be adjusted according to blind size) are for adjusting the ladder band 6 of blade 4 angle, each blade 4 is successively set on ladder with in the tetragon space of 6, blade 4 is provided with and runs through groove accordingly, respectively run through groove to be located between ladder band 6, what stay cord 5 sequentially passed through each blade 4 runs through groove so that stay cord 5 is hidden to be arranged between ladder band 6；It is socketed with on total output shaft 8 and can be adjusted according to blind size for terraced band other embodiments of steering gear 11(adjusting ladder band direction), ladder is fixedly linked with underbeam 2 with the bottom of 6, the top of ladder band 6 is around being connected in terraced band steering gear 11, ladder band steering gear 11 is arranged in steering gear mounting seat 10, for adjusting the angle of each blade 4.
As shown in Figure 6, stay cord wire rod 12 is arranged in cylinder, stay cord wire rod 12 is arranged in mounting seat 9, stay cord wire rod 12 end is provided with and is suitable to the draw-in groove 121 that stay cord 6 passes through, leading-out terminal 122 diameter of this stay cord wire rod 12 by outer and in be gradually reduced, the quantity of stay cord wire rod 12 is 2 (other embodiments can be adjusted according to blind size), stay cord 5 is 2 (other embodiments can be adjusted according to blind size), ladder band steering gear 11, stay cord wire rod 12 spacer sleeve successively is connected on total output shaft 8, 2 stay cord wire rod 12 arrange (other embodiments can make wire rod leading-out terminal put) according to same sequence in mirror image, so that the leading-out terminal 121 of stay cord wire rod 12 is arranged on the two-end part of total output shaft 8.
As shown in Figure 5, cordless blind curtain is drawn also to include ratchet assembly, ratchet assembly includes that single action fit on other embodiments of ratchet mechanism 15(can be interior cooperation ratchet mechanism), for limiting the ratchet 16 of ratchet 15 counter-rotating, leading block 14, ratchet 15 is fixedly connected with ratchet shaft 151, second pivot 19 is set in the ratchet shaft 151 of ratchet 15, ratchet 15 is rotatably assorted in ratchet mounting seat 17 by the second pivot 19, ratchet mounting seat 17 is arranged on the downside of the leading-out terminal 122 of stay cord wire rod 12 in mounting seat 9, for preventing the ratchet 16 of ratchet 15 counter-rotating to be arranged on the relative inner of ratchet 15, leading block 14 is rotatably assorted in ratchet mounting seat 17 by the first pivot 18, and leading block 14 is arranged on the opposite exterior lateral sides of ratchet 15.
As shown in Figure 2, Figure 3 and Figure 4, the top of stay cord 5 is fixed in the draw-in groove 121 of stay cord wire rod 12, and enter ratchet shaft 151 setting that winds with one circuit on ratchet shaft 151 through leading-out terminal 122 after being wound around the default number of turns on stay cord wire rod 12, the bottom of the stay cord 5 being wrapped on ratchet shaft 151 is passed by the relative inner of ratchet shaft 151 and then passes through pulley 14, and sequentially pass through each blade 4 run through groove, the bottom of stay cord 5 is fixedly linked with underbeam 2, and the two ends of underbeam 2 use lower big envelope 3 to be packaged.Upper beam 1 is provided with U-shaped groove, driving source output assembly 7 is arranged on one end (other embodiments can use multiple driving sources output assembly to be driven according to blind size) of upper beam 1, mounting seat 9, ratchet mounting seat 17, steering gear mounting seat 10 relative set, in U-shaped groove, prevent from directly contacting between its with upper beam 1 causing abrasion.
nullCordless blind curtain of the present utility model，By the ratchet of single direction rotation、Ratchet、Ratchet shaft coordinates with stay cord，Rolling friction is provided when blind is drop-down、Static friction is provided when blind is static、When carrying on blind, friction disappears，Realize the drop-down of blind optional position and on carry，Due to differing greatly of static friction and rolling friction，Therefore the resilience force of spring can not be by blind weight、The restriction of assembled condition，Without the size according to blind、Spring is selected pairing by surface quality of workpieces situation，Solve the curtain of different size in the least specification limit, need to match the problem of spring of suitable elastic force，Spring between different size curtain can arbitrarily exchange、Increase and decrease，It is suitable for any curtain width and the curtain of length，Without regulating spring strength and underbeam load-bearing，Improve the interchangeability of spring，Production efficiency is greatly improved，Reduce production cost；Can be selected for the spring that resilience force is bigger, solve the problem that the blind folding and unfolding caused due to the inefficacy of spring after blind uses a period of time was lost efficacy, be substantially improved service life；Being arranged on hidden for the two ends of stay cord in upper beam, underbeam, blind is outside without stay cord, it is to avoid security incident occur.
Embodiment 2
The above-mentioned using method drawing cordless blind curtain, comprises the steps:
A, when needing to open blind, the underbeam 2 of cordless blind curtain is pulled down with hands, stay cord 5 is tightened and is moved downward, existence due to frictional force, stay cord 5 drives leading block 14, ratchet 15, stay cord wire rod 12, total output shaft 8, spring passive axle 74, spring driving shaft 72 synchronous rotary, each louvre blade scatters downwards, and now the spring 73 in spring driving shaft 72 deforms upon, and the friction between stay cord and ratchet assembly is rolling friction.
When B, the lower pulling force removed on underbeam, existence due to ratchet 16, ratchet 15 cannot reversely rotate, the friction that ratchet assembly ratchet shaft 151 provides for stay cord 5 is transferred to static friction by rolling friction, frictional force is greatly enhanced, the lifting force of spring 73 is less than the frictional force between stay cord 5 and ratchet shaft 151 so that underbeam 2 and each blade 4 of blind keep static.
C, when needing to pack up blind, underbeam 2 is applied with towing force so that underbeam 2 is in the position wishing to stop, come loose at this moment stay cord 5, static friction between stay cord 5 and ratchet shaft 151 disappears, spring 73 resets, drive described spring driving shaft 72, spring passive axle 74, total output shaft 7, stay cord wire rod 12 synchronous rotary so that unnecessary stay cord 5 is again wrapped around on stay cord wire rod 12.
After D, blind are retracted to precalculated position, removing the uplift force on underbeam 2, stay cord 5 is in tensioned state, and the static friction between stay cord 5 and ratchet shaft 151 is recovered, the lifting force of spring 73 is less than the frictional force between stay cord 5 and ratchet shaft 151, and the underbeam 2 of blind and blade 4 keep static again.
Utilize ratchet, ratchet shaft, ratchet and stay cord to make blind can provide resistance needs resistance when, it is not necessary to when this power can remove again, or diminish, spring choose no longer receipts blind heavily quantitative limitation, blind is easily manipulated.
Obviously, above-described embodiment is only for clearly demonstrating this utility model example, and is not the restriction to embodiment of the present utility model.The most it is not limited to the use of sun blind system, honeycomb curtain etc. is all suitable for.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.And these belong to obvious change or variation that spirit of the present utility model extended out still in protection domain of the present utility model among.
Claims (9)
1. a cordless blind curtain, it is characterized in that, including upper beam (1), underbeam (2), multiple strip blade (4), stay cord (5), it is used for providing driving source output assembly (7) of reset power, total output shaft (8), it is provided with spring (73) in described driving source output assembly (7), described driving source output assembly (7) is fixedly linked with described total output shaft (8), arranging through each blade (4) in order to lift the stay cord (5) of blade (4), the bottom of described stay cord (5) is fixedly linked with underbeam (2)；
Cordless blind curtain be additionally included in blind drop-down time stay cord provided rolling friction, static time stay cord provided the ratchet assembly of static friction, described ratchet assembly includes ratchet (15), is used for limiting the ratchet (16) of ratchet (15) counter-rotating, described ratchet (15) is fixedly connected with ratchet shaft (151), described stay cord (5) is above wound around the setting of at least one week through described ratchet shaft (151) and at described ratchet shaft (151), and the top of this stay cord (5) is fixed on total output shaft (8) after the number of turns that the upper winding of described total output shaft (8) is preset.
Cordless blind curtain the most according to claim 1, it is characterized in that, also include ladder band (6) for adjusting blade angle, the terraced band steering gear (11) for adjusting ladder band (6) direction it is socketed with on described total output shaft (8), the bottom of described ladder band (6) is fixedly linked with described underbeam (2), and the top of described ladder band (6) is around being connected on ladder band steering gear (11).
Cordless blind curtain the most according to claim 2, it is characterized in that, described driving source output assembly (7) also includes spring case (71), spring driving shaft (72), the spring passive axle (74) carrying out rotatable engagement can be driven mutually with described spring driving shaft (72), described spring driving shaft (72), spring passive axle (74) is located in described spring case (71), this spring case (71) is additionally provided with spring case capping (75), spring (73) is located in spring driving shaft (72), this spring case capping (75) is provided with and is suitable to the through hole (76) that described total output shaft (8) is passed through, so that described total output shaft (8) is fixedly linked through described through hole (76) with described spring passive axle (74).
Cordless blind curtain the most according to claim 3, it is characterized in that, also include for being wound around and the stay cord wire rod (12) on fixed pulling rope (5) top, described stay cord wire rod (12) is socketed on described total output shaft (8), described stay cord wire rod (12) is arranged in cylinder, leading-out terminal (122) diameter of this stay cord wire rod by outer and in be gradually reduced.
Cordless blind curtain the most according to claim 4, it is characterized in that, also include the wire rod big envelope (13) suitable with described stay cord wire rod (12) shape, described stay cord wire rod (12) is provided with and is suitable to the draw-in groove (121) that described stay cord (5) passes through, the top of described stay cord (5) is stuck in draw-in groove (121), described wire rod big envelope (13) inserts the end of described stay cord wire rod (12) so that stay cord (5) is clamped in draw-in groove (121).
Cordless blind curtain the most according to claim 5, it is characterised in that described ratchet (15) is single action fit on ratchet mechanism.
Cordless blind curtain the most according to claim 6, it is characterized in that, described cordless blind curtain also includes the mounting seat (9) for installing stay cord wire rod (12) and for installing the ratchet mounting seat (17) of ratchet assembly, leading block (14), in the ratchet shaft (151) of described ratchet (15), the second pivot (19) is set, described ratchet (15) is rotatably assorted in described ratchet mounting seat (17) by the second pivot (19), described ratchet mounting seat (17) is arranged on the downside of the leading-out terminal (122) of described mounting seat (9) interior stay cord wire rod (12), for preventing the ratchet (16) of described ratchet (15) counter-rotating to be arranged on the relative inner of described ratchet (15), described leading block (14) is arranged on the opposite exterior lateral sides of described ratchet.
Cordless blind curtain the most according to claim 7, it is characterized in that, the bottom of the stay cord (5) being wrapped on ratchet shaft (151) is passed by the relative inner of ratchet shaft (151), each blade (4) is provided with and runs through groove accordingly, stay cord (5) through described in run through groove be arranged on described cordless blind curtain end ladder band (6).
Cordless blind curtain the most according to claim 8, it is characterized in that, described upper beam (1) is provided with U-shaped groove, and described driving source output assembly (7) is arranged on one end of upper beam (1), described stay cord wire rod (12), total output shaft (8), is arranged in the U-shaped groove of upper beam (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620308696.9U CN205532186U (en) | 2016-04-13 | 2016-04-13 | Wireless blind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620308696.9U CN205532186U (en) | 2016-04-13 | 2016-04-13 | Wireless blind |
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| Publication Number | Publication Date |
|---|---|
| CN205532186U true CN205532186U (en) | 2016-08-31 |
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| CN201620308696.9U Active CN205532186U (en) | 2016-04-13 | 2016-04-13 | Wireless blind |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017177588A1 (en) * | 2016-04-13 | 2017-10-19 | 周伟坚 | Cordless venetian blind and working method thereof |
| US20190085622A1 (en) * | 2017-09-20 | 2019-03-21 | Whole Space Industries Ltd | Window covering control apparatus |
| JP2019049178A (en) * | 2017-09-08 | 2019-03-28 | 立川ブラインド工業株式会社 | Shading device |
-
2016
- 2016-04-13 CN CN201620308696.9U patent/CN205532186U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017177588A1 (en) * | 2016-04-13 | 2017-10-19 | 周伟坚 | Cordless venetian blind and working method thereof |
| CN107288523A (en) * | 2016-04-13 | 2017-10-24 | 溧阳新元窗帘制品有限公司 | A kind of cordless blind curtain and its method of work |
| JP2019049178A (en) * | 2017-09-08 | 2019-03-28 | 立川ブラインド工業株式会社 | Shading device |
| JP7059073B2 (en) | 2017-09-08 | 2022-04-25 | 立川ブラインド工業株式会社 | Cloaking device |
| US20190085622A1 (en) * | 2017-09-20 | 2019-03-21 | Whole Space Industries Ltd | Window covering control apparatus |
| EP3460167A1 (en) * | 2017-09-20 | 2019-03-27 | Whole Space Industries Ltd. | Window covering control apparatus |
| US10676988B2 (en) | 2017-09-20 | 2020-06-09 | Whole Space Industries Ltd. | Window covering control apparatus |
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