CN105715195A - Curtain body positioning mechanism of rope-less window curtain - Google Patents
Curtain body positioning mechanism of rope-less window curtain Download PDFInfo
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- CN105715195A CN105715195A CN201410738351.2A CN201410738351A CN105715195A CN 105715195 A CN105715195 A CN 105715195A CN 201410738351 A CN201410738351 A CN 201410738351A CN 105715195 A CN105715195 A CN 105715195A
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- wheel
- curtain
- brake block
- rolling groove
- wind spring
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- Curtains And Furnishings For Windows Or Doors (AREA)
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Abstract
The invention discloses a curtain body positioning mechanism of a rope-less window curtain. Two separating and connecting units are mainly used for controlling the positioning effect of a curtain body in the folding and unfolding processes. Each separating and connecting unit is provided with an axle, two brake blocks, a clutch wheel and two planetary gears, wherein the two brake blocks are connected to the circumferential edge of the axle in a spacing manner, so that a rolling slot is formed between the two brake blocks; the clutch wheel sleeves the axle and is provided with an inner ring tooth part surrounding the two brake blocks; the planetary gears are arranged in the rolling slot and are meshed with the inner ring tooth part of the clutch wheel; therefore, the planetary gears can be clamped with or separated from the brake blocks under the driving of the inner ring tooth part of the clutch wheel; when the planetary gears are clamped with the brake blocks, the curtain body cannot be driven to be positioned.
Description
Technical field
The present invention is relevant with curtain without stretching wire, particularly relates to the curtain detent mechanism of a kind of curtain without stretching wire.
Background technology
General curtain structurally can divide into dragline type and non-dragline type, wherein, dragline type curtain orders about, mainly by a stay cord, the action that curtain carries out launching or folding, Non-pull-cord type curtain is then utilize hand that underbeam is bestowed strength that is drop-down or that above push away, enables curtain to reach the effect launched or fold.
But, although Non-pull-cord type curtain can allow user easily adjust the expansion of curtain or fold, but often in default of good Position Design on structure configures, cause that curtain easily has the situation of automatic re-ascending after fully deployed, or folding completely, automatically sagging problem occurs afterwards, so all can cause user puzzlement in practical operation.
Summary of the invention
It is an object of the invention to provide the curtain detent mechanism of a kind of curtain without stretching wire, its simple in construction and locating effect are good, to increase operational convenience.
For achieving the above object, curtain detent mechanism provided by the invention includes a pedestal, two wind spring wheels, a wind spring, two bull wheels, two clutch units and two stay cords.Respectively this wind spring wheel is rotatably arranged in this pedestal and bridle joint is together each other；This wind spring connects this two wind spring wheel and is selectively wound in this wind spring wheel so that this two wind spring wheel can synchronous axial system；This two bull wheel is rotatably arranged in this pedestal and difference this wind spring of bridle joint one wheel so that respectively this bull wheel can take turns synchronous axial system along with the wind spring with its phase bridle joint；Respectively this clutch unit is adjacent to this bull wheel respectively and is respectively provided with a wheel shaft, at least two brake block, one castle wheel, and at least two planetary gears, this wheel shaft is fixed on this pedestal, this two brake block is fixed on this pedestal spaced reciprocally and is connected to the periphery of this wheel shaft, make to form a rolling groove between this two brake block, this castle wheel has an axis hole and and is adjacent to the internal ring teeth portion of this axis hole, this axis hole is sheathed on this wheel shaft rotationally, this internal ring teeth portion is surrounded on around this two brake block, respectively this planetary gear is rollably located in this rolling groove and the internal ring teeth portion of this castle wheel of bridle joint, make respectively this planetary gear can the clamping mutual between this brake block or separate by the drive of the internal ring teeth portion of this castle wheel；Respectively this stay cord surrounds this castle wheel respectively and is fixed on this bull wheel with its one end respectively, in order to drive this castle wheel to rotate in the process launching curtain.
Thus, when this planetary gear is connected in the internal ring teeth portion of this castle wheel, this castle wheel can cannot rotate, now this curtain will be unable to be unfolded or fold and completes location, when this planetary gear departs from when the internal ring teeth portion of this castle wheel, this castle wheel can be freely rotatable, now can this curtain be launched.
Accompanying drawing explanation
Fig. 1 is the axonometric chart that the present invention the 1st embodiment coordinates curtain.
Fig. 2 is the three-dimensional exploded view of the present invention the 1st embodiment.
Fig. 3 is the overlooking surface sectional view of the clutch unit of the present invention the 1st embodiment.
Fig. 4 is the top view of the clutch unit of the present invention, and main display planetary gear is connected in the braking parts of brake block.
Fig. 5 is analogous to Fig. 4, and main display planetary gear is connected to the carrier of brake block.
Fig. 6 present invention coordinates the front view of curtain, the main deployed condition showing curtain.
Fig. 7 is analogous to Fig. 6, the main collapse state showing curtain.
Fig. 8 is the overlooking surface sectional view of the clutch unit of second embodiment of the invention.
Symbol description in accompanying drawing
10 curtain without stretching wire, 12 curtain detent mechanisms, 14 upper beams, 16 underbeams, 18 curtains, 20 pedestals, 22 top boards, 24 base plates, 30 wind spring wheels, 40 wind springs, 50 bull wheels, 60 clutch units, 61 wheel shafts, 62 brake block, 63 castle wheels, 64 planetary gears, 65 rolling grooves, 66 braking parts, 67 carriers, 68 axis holes, 69 internal ring teeth portion, 70 stay cords.
Detailed description of the invention
Please referring initially to Fig. 1 and Fig. 7, the curtain detent mechanism 12 of the present invention mainly coordinates a curtain without stretching wire 10 to use, and the curtain without stretching wire 10 shown in figure includes upper beam 14, underbeam 16, and one is located at curtain 18 between upper and lower beam 14,16.Referring again to Fig. 2 and Fig. 3, the curtain detent mechanism 12 of the present invention includes pedestal 20, two wind spring wheel 30, one wind spring 40, two bull wheel 50, two clutch unit 60 and two stay cords 70.
Pedestal 20 is installed in upper beam 14 and has top board 22 and a base plate 24.
Wind spring wheel 30 is rotatably arranged in pedestal 20 and bridle joint is together each other.
The two ends of wind spring 40 connect respectively wind spring wheel 30 so that this two wind spring wheel 30 can by wind spring 40 synchronous axial system.
Bull wheel 50 is rotatably arranged in pedestal 20 and one wind spring wheel 30 of difference bridle joint so that bull wheel 50 can take turns 30 synchronous axial system with the wind spring with its phase bridle joint.
Clutch unit 60 is adjacent to bull wheel 50 and has wheel shaft 61, three brake block 62, castle wheel 63, and three planetary gears 64.Wheel shaft 61 is fixed on the base plate 24 of pedestal 20；Base plate 24 that this three brake block 62 is fixed on pedestal 20 and the mode equiangularly arranged are connected to the outer peripheral edge of wheel shaft 61, make to form an arc rolling groove 65 between adjacent two brake block 62, again as shown in Figures 4 and 5, the curvature of one end of arc rolling groove 65 is more than the curvature of the other end of arc rolling groove 65, what adjoined due to the two ends of each arc rolling groove 65 is different brake block 62, so the two ends of each brake block 62 can form braking parts 66 and a carrier 67 respectively along with the curvature difference at the two ends of arc rolling groove 65, the curvature of braking parts 66 is more than the curvature of carrier 67；Castle wheel 63 has an axis hole 68 and and is adjacent to the internal ring teeth portion 69 of axis hole 68, and castle wheel 63 is sheathed on wheel shaft 61 by axis hole 68, and castle wheel 63 can allow internal ring teeth portion 69 be surrounded on around brake block 62 after being sheathed on wheel shaft 61；Planetary gear 64 is located in rolling groove 65 and bridle joint is in the internal ring teeth portion 69 of castle wheel 63 so that planetary gear 64 can be driven by the internal ring teeth portion 69 of castle wheel 63 in the rotation process of castle wheel 63 and roll along rolling groove 65.
Stay cord 70 is surrounded on castle wheel 63 1 circle and is fixed on underbeam 16 and bull wheel 50 with its two ends respectively so that stay cord 70 can be driven castle wheel 63 to rotate together with bull wheel 50 by pulling of underbeam 16.
When to launch curtain 18, as shown in Figure 6, first exert a force underbeam 14 pulled down, stay cord 70 is made to be stretched by underbeam 14, the process that stay cord 70 is stretched can first drive castle wheel 63 and bull wheel 50 start to rotate, in the process that castle wheel 63 rotates, as shown in Figure 4, castle wheel 63 is driven planetary gear 64 to be rolled into the carrier 67 of brake block 62 along rolling groove 65 by internal ring teeth portion 69, planetary gear 64 at this time can present idling conditions, castle wheel 63 can be pulled and freely rotatable by stay cord 70, on the other hand, the process that bull wheel 50 rotates can drive wind spring wheel 30 rotation with its phase bridle joint, make wind spring 40 take turns 30 retractings from one of them wind spring and take turns the elastic-restoring force of 30 and accumulation itself to another one wind spring.
Once the pulling force of underbeam 14 is bestowed in release again after curtain 18 is expanded to appropriate location, wind spring wheel 30 now can be subject to the effect of the elastic-restoring forces of wind spring 40 and drive bull wheel 50 to produce rotating backward slightly, then a fraction of stay cord 70 can be wound in the counter-rotational process of bull wheel 50, make castle wheel 63 can be pulled by stay cord 70 and produce rotating backward slightly, the counter-rotational process of castle wheel 63 can drive the braking parts 66 that planetary gear 64 is rolled into brake block 62 along rolling groove 65 to form clamping by inner circular tooth portion 69, as shown in Figure 5, thus, planetary gear 64 can stop operating immediately, stopping operating at planetary gear 64 related to allow castle wheel 63 stop operating afterwards, at this time stay cord 70 is understood by the frictional resistance between castle wheel 63 and presents the state of standing balance between the elastic-restoring force of wind spring 40, make curtain 16 can be maintained at deployed condition.
When to fold curtain 16, as shown in Figure 7, first exert a force and underbeam 14 is up promoted, stay cord 70 is made to become lax state and reduce the frictional resistance between castle wheel 63, the elastic-restoring force of wind spring 40 at this time can force wind spring wheel 30 simultaneously to rotate backward by the thrust of user, taking turns in the process of 30 rotations at wind spring can drive bull wheel 50 to rotate again, make bull wheel 50 that stay cord 70 to be furled, until curtain 18 discharges, when folding completely, the thrust bestowing underbeam 14 again, make stay cord 70 again tightly around in castle wheel 63, at this time the elastic-restoring force of wind spring 40 is with the state that will present standing balance between the frictional resistance between stay cord 70 and castle wheel 63 once again, curtain 16 is made to be maintained at collapse state.
It should be added that at this, the present invention structurally can have different change, as shown in Figure 8, the number of brake block 62 differs and is decided to be three, two can essentially be reduced to, in the case, brake block 62 is the outer peripheral edge being connected to wheel shaft 61 in the way of relative to each other, make be formed respectively between the two ends of two brake block 62 rolling groove 65, one planetary gear 64 of configuration in each rolling groove 65, thus, also planetary gear 64 can be driven to roll along rolling groove 65 when castle wheel 63 is driven by stay cord 70, make equally possible generation clutch effect between planetary gear 64 and brake block 62.
In sum, the curtain detent mechanism 12 of the present invention utilizes clutch unit 60 that curtain 18 provides good locating effect, generally there is the configuration of simple structure, operational stability is also very good, thus can effectively solve curtain 18 rise problem after deployment and the sagging problem when folding and reach to increase the purpose of operation ease.
Claims (5)
1. a curtain detent mechanism for curtain without stretching wire, includes:
One pedestal；
Two wind springs wheels, are rotatably arranged in this pedestal and bridle joint are together each other；
One wind spring, connects this two wind spring wheel and is selectively wound in this wind spring wheel；
Two bull wheels, are rotatably arranged in this pedestal and difference this wind spring of bridle joint one wheel；
Two clutch units, it is adjacent to this bull wheel respectively and is respectively provided with a wheel shaft, at least two brake block, one castle wheel, and at least two planetary gears, this wheel shaft is fixed on this pedestal, this two brake block is fixed on this pedestal spaced reciprocally and is connected to the periphery of this wheel shaft, make to form a rolling groove between this two brake block, this castle wheel has an axis hole and and is adjacent to the internal ring teeth portion of this axis hole, this axis hole is sheathed on this wheel shaft rotationally, this internal ring teeth portion is surrounded on around this two brake block, respectively this planetary gear is rollably located in this rolling groove and the internal ring teeth portion of this castle wheel of bridle joint, make respectively this planetary gear can the clamping mutual between this brake block or separate by the drive of the internal ring teeth portion of this castle wheel；And
Two stay cords, surround this castle wheel respectively and are fixed on this bull wheel with its one end respectively.
2. the curtain detent mechanism of curtain without stretching wire according to claim 1, wherein, respectively this rolling groove is curved.
3. the curtain detent mechanism of curtain without stretching wire according to claim 2, wherein, respectively the curvature of one end of this rolling groove is more than the curvature of the other end of respectively this rolling groove, the two ends making respectively this brake block form a braking parts and a carrier respectively, the curvature of this braking parts is more than the curvature of this carrier, and when respectively this planetary gear is connected in the braking parts of this brake block, this castle wheel cannot rotate, when respectively this planetary gear is connected to the carrier of this brake block, this castle wheel can be freely rotatable.
4. the curtain detent mechanism of curtain without stretching wire according to claim 3, wherein, respectively the number of the brake block of this clutch unit is two, this two brake block centered by this wheel shaft in being oppositely arranged.
5. the curtain detent mechanism of curtain without stretching wire according to claim 3, wherein, respectively the number of the brake block of this clutch unit is three, this three brake block centered by this wheel shaft in angularly arranging so that form this rolling groove between adjacent two these brake block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410738351.2A CN105715195B (en) | 2014-12-05 | 2014-12-05 | The curtain detent mechanism of curtain without stretching wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410738351.2A CN105715195B (en) | 2014-12-05 | 2014-12-05 | The curtain detent mechanism of curtain without stretching wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105715195A true CN105715195A (en) | 2016-06-29 |
| CN105715195B CN105715195B (en) | 2017-11-14 |
Family
ID=56144362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410738351.2A Active CN105715195B (en) | 2014-12-05 | 2014-12-05 | The curtain detent mechanism of curtain without stretching wire |
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| Country | Link |
|---|---|
| CN (1) | CN105715195B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043179A (en) * | 2018-01-15 | 2019-07-23 | 敬祐科技股份有限公司 | The curtain transmission mechanism of curtain without stretching wire |
| CN110393418A (en) * | 2018-04-24 | 2019-11-01 | 敬祐科技股份有限公司 | Three-wheel type ropewinder for no exposed pulling rod formula curtain |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7025107B2 (en) * | 2001-07-31 | 2006-04-11 | Newell Window Furnishings, Inc. | One-way tensioning mechanism for cordless blind |
| CN2821118Y (en) * | 2005-07-05 | 2006-09-27 | 庆丰富实业股份有限公司 | Curtain structure |
| US20060278348A1 (en) * | 2005-06-14 | 2006-12-14 | Tai-Long Huang | Pull Cord Device and Window Covering Including The Same |
| CN2851484Y (en) * | 2005-10-26 | 2006-12-27 | 陈金福 | Leaf-lifting louver window |
| CN200955342Y (en) * | 2006-09-14 | 2007-10-03 | 得来意股份有限公司 | Pull-cord-free window curtain structure |
| CN202990808U (en) * | 2012-08-20 | 2013-06-12 | 郑立铭 | Curtain |
| CN203701911U (en) * | 2013-12-30 | 2014-07-09 | 广州丰鼎五金制品有限公司 | No-rope venetian blind spring piece digging rope mechanism |
-
2014
- 2014-12-05 CN CN201410738351.2A patent/CN105715195B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7025107B2 (en) * | 2001-07-31 | 2006-04-11 | Newell Window Furnishings, Inc. | One-way tensioning mechanism for cordless blind |
| US20060278348A1 (en) * | 2005-06-14 | 2006-12-14 | Tai-Long Huang | Pull Cord Device and Window Covering Including The Same |
| CN2821118Y (en) * | 2005-07-05 | 2006-09-27 | 庆丰富实业股份有限公司 | Curtain structure |
| CN2851484Y (en) * | 2005-10-26 | 2006-12-27 | 陈金福 | Leaf-lifting louver window |
| CN200955342Y (en) * | 2006-09-14 | 2007-10-03 | 得来意股份有限公司 | Pull-cord-free window curtain structure |
| CN202990808U (en) * | 2012-08-20 | 2013-06-12 | 郑立铭 | Curtain |
| CN203701911U (en) * | 2013-12-30 | 2014-07-09 | 广州丰鼎五金制品有限公司 | No-rope venetian blind spring piece digging rope mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043179A (en) * | 2018-01-15 | 2019-07-23 | 敬祐科技股份有限公司 | The curtain transmission mechanism of curtain without stretching wire |
| CN110393418A (en) * | 2018-04-24 | 2019-11-01 | 敬祐科技股份有限公司 | Three-wheel type ropewinder for no exposed pulling rod formula curtain |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105715195B (en) | 2017-11-14 |
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