CN106032743A - Curtain body braking mechanism for curtain without stay ropes - Google Patents
Curtain body braking mechanism for curtain without stay ropes Download PDFInfo
- Publication number
- CN106032743A CN106032743A CN201510118760.7A CN201510118760A CN106032743A CN 106032743 A CN106032743 A CN 106032743A CN 201510118760 A CN201510118760 A CN 201510118760A CN 106032743 A CN106032743 A CN 106032743A
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- wheel
- curtain
- brake block
- way clutch
- rope
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- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
A curtain body braking mechanism for a curtain without stay ropes. The braking mechanism mainly comprises two rope receiving wheels, two unidirectional clutch units, two guide rods and two driving ropes. The unidirectional clutch units are adjacently installed on the rope receiving wheels and are provided with a unidirectional clutch wheel; the guide rods are installed at one side of the rope receiving wheels and are parallel to the axial direction of the rope receiving wheels; the driving ropes are installed cross the guide rods and surround the unidirectional clutch wheels and are fixed on the rope receiving wheels by one end. Therefore, the driving ropes can be received sequentially in the rope receiving wheels through the guide rods.
Description
Technical field
The present invention is relevant with curtain without stretching wire, particularly relates to the curtain brake of a kind of curtain without stretching wire
Structure.
Background technology
For the prior art of curtain without stretching wire, mainly rope closing is fixed in one end of transmission rope 1
2 (as shown in Figure 1) of wheel, the other end of transmission rope 1 is fixed on underbeam again after curtain, passes through
Underbeam is imposed pulling force down or thrust up, makes transmission rope 1 can coordinate the rotation of rope closing wheel 2
Be released or furl, so control curtain expansion with fold.
In order to allow transmission rope 1 can keep certain tension force during start, structurally can arrange
Guide wheel encloses around one by transmission rope 1, but the guide effect that guide wheel can be provided by is fairly limited, so that
In furling during rope closing wheel 2 at transmission rope 1, between the transmission rope 1 of different circles, may that
This interferes or is mutually intertwined, if situation is excessively serious, transmission rope 1 is in release or retracting
During be just easy to have some setbacks or block motionless problem, cause curtain in use may be used
Highly asymmetric situation can be had, even can have no idea fully deployed or fold completely, the most all
The puzzlement of user can be caused.
Summary of the invention
Present invention is primarily targeted at the curtain arrestment mechanism providing a kind of curtain without stretching wire, it can be right
Curtain provides good locating effect and start smooth degree.
In order to reach above-mentioned purpose, the curtain arrestment mechanism of the present invention includes a pedestal, a retracting list
Unit, two rope closing wheels, two one-way clutch unit, two guide rods, and two transmission ropes.This two rope closing wheel can
It is rotatably arranged in this pedestal and is adjacent to this retracting unit so that respectively this rope closing wheel can be by this retracting unit
Driving and rotate；Respectively this one-way clutch unit is adjacent to this rope closing wheel and has an one-way clutch
Wheel；Respectively this guide rod is located at this pedestal and is positioned at the side of this rope closing wheel, and, the respectively axle of this guide rod
To being parallel to the axial of each this rope closing wheel；Respectively this transmission rope is located at this guide rod and is surrounded on this list
To castle wheel, and it is fixed on this rope closing wheel with its one end.
Thus, can be by the frictional resistance band between this one-way clutch wheel when this transmission rope is stretched
Dynamic this one-way clutch wheel rotates, and makes this curtain to launch smoothly, when this transmission rope stops being stretched,
This one-way clutch wheel can stop operating and allow this curtain be held in position, when this transmission rope lax should to reduce
During frictional resistance between transmission rope and this one-way clutch wheel, this rope closing wheel can by this retracting unit
Drive this transmission rope is furled, now by this guide rod can allow this transmission rope entirely furl in
This rope closing is taken turns.
Accompanying drawing explanation
For further illustrating the technology contents of the present invention, describe in detail such as below in conjunction with embodiment and accompanying drawing
After, wherein:
Fig. 1 is existing transmission rope generalized section after retracting.
Fig. 2 is the axonometric chart that the present invention the 1st embodiment coordinates curtain.
Fig. 3 is the three-dimensional exploded view of the present invention the 1st embodiment.
Fig. 4 is the overlooking surface sectional view of the one-way clutch unit of the present invention the 1st embodiment.
Fig. 5 is the top view of the one-way clutch unit of the present invention, and main display planetary gear is connected to system
The carrier of motion block.
Fig. 6 is analogous to Fig. 5, and main display planetary gear is connected in the braking parts of brake block.
Fig. 7 present invention coordinates the front view of curtain, the main deployed condition showing curtain.
Fig. 8 is analogous to Fig. 7, the main collapse state showing curtain.
Fig. 9 is the sectional view of the rope closing wheel of the present invention, main display transmission rope state after retracting.
Figure 10 is the overlooking surface sectional view of the one-way clutch unit of second embodiment of the invention.
Detailed description of the invention
Please referring initially to Fig. 2 and Fig. 8, the curtain arrestment mechanism 12 of the present invention mainly coordinates one without stay cord window
Curtain 10 uses, and the curtain without stretching wire 10 shown in figure includes upper beam 14, underbeam 16, with
And one be located at the curtain 18 between upper and lower beam 14,16.Referring again to Fig. 3 and Fig. 4, the present invention
Curtain arrestment mechanism 12 to include pedestal 20, retracting unit 26, a two rope closing wheel 50, two single
To clutch unit 60, two guide rod 70, and two transmission ropes 80.
In pedestal 20 is installed on upper beam 14 and there is top board 22 and a base plate 24.
Retracting unit 26 has two wind spring wheel 30 and wind springs 40, and this two wind spring wheel 30 is rotationally
Be located at pedestal 20 and each other bridle joint together, 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.
Rope closing wheel 50 is rotatably arranged in pedestal 20 and one wind spring wheel 30 of difference bridle joint so that rope closing
Wheel 50 can be with taking turns 30 synchronous axial system with the wind spring of its phase bridle joint.
One-way clutch unit 60 be adjacent to rope closing wheel 50 and have wheel shaft 61, three brake block 62,
One one-way clutch 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 wheel
The outer peripheral edge of axle 61 so that form an arc rolling groove 65 between adjacent two brake block 62, for another example
Shown in Fig. 5 and Fig. 6, the curvature of one end of arc rolling groove 65 is more than another of arc rolling groove 65
The curvature of end, 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 be divided along with the curvature difference at the two ends of arc rolling groove 65
Not forming braking parts 66 and a carrier 67, the curvature of braking parts 66 is more than the song of carrier 67
Rate；One-way clutch wheel 63 has an axis hole 68 and an internal ring teeth portion 69 being adjacent to axis hole 68, singly
Being sheathed on wheel shaft 61 to castle wheel 63 by axis hole 68, one-way clutch wheel 63 is being sheathed on wheel shaft 61
After internal ring teeth portion 69 can be allowed to be surrounded on brake block 62 around, additionally, one-way clutch wheel 63 tool
There is an isometrical body portion 632；In planetary gear 64 is located at rolling groove 65 and bridle joint takes turns 63 in one-way clutch
Internal ring teeth portion 69 so that planetary gear 64 can one-way clutch wheel 63 rotation process in unidirectional
The internal ring teeth portion 69 of castle wheel 63 is driven and is rolled along rolling groove 65.
Guide rod 70 is positioned at the side of rope closing wheel 50, and, the top of guide rod 70, two ends, the end are solid respectively
Due to top, the base plate 22,24 of pedestal 20, make the axle being axially parallel to rope closing wheel 50 of guide rod 70
To.
The two ends of transmission rope 80 are individually fixed in underbeam 16 and take turns 50 with rope closing so that transmission rope 80 1
Aspect can be stretched by underbeam 16, on the other hand can be furled by rope closing wheel 50, additionally, transmission rope
80 are located at guide rod 70 and isometrical body portion 632 1 circle around one-way clutch wheel 63 so that transmission rope
80 when release or retracting can in time along guide rod 70 axially and one-way clutch wheel 63 axial
Move back and forth, to promote the transmission rope 80 agility in start and smooth degree.
When curtain 18 to be launched, as it is shown in fig. 7, first exert a force underbeam 16 pulled down, make
Transmission rope 80 is gradually stretched by underbeam 16, can first drive receipts during transmission rope 80 is stretched
Rope sheave 50 rotates, and then the wind spring with its phase bridle joint can be driven to take turns during rope closing wheel 50 rotation
30 rotate, and make wind spring 40 store to another one wind spring wheel 30 from one of them wind spring wheel 30 retracting
Long-pending elastic-restoring force own.On the other hand, also can pass through during transmission rope 80 is stretched
And the frictional resistance between one-way clutch wheel 63 drives one-way clutch wheel 63 rotation, takes turns at one-way clutch
During 63 start to rotate, as it is shown in figure 5, one-way clutch wheel 63 is driven by internal ring teeth portion 69
Planetary gear 64 is rolled into the carrier 67 of brake block 62, planet at this time along rolling groove 65
Gear 64 can present idling conditions and make one-way clutch wheel 63 energy freely rotatable, makes curtain 18 to hold
Extension is opened.
After once curtain 18 being expanded to appropriate location, the pulling force of underbeam 16 is bestowed in release again, makes biography
Running rope 80 stops being stretched, and wind spring wheel 30 now can making by the elastic-restoring force of wind spring 40
With and drive rope closing wheel 50 generation rotating backward slightly, then take turns 50 counter-rotational mistakes in rope closing
Cheng Zhonghui winds a fraction of transmission rope 80, make one-way clutch wheel 63 can be transmitted rope 80 pull and
Produce rotating backward slightly, inner circular tooth can be passed through during one-way clutch wheel 63 rotates backward
Portion 69 drives planetary gear 64 to be rolled into braking parts 66 shape with brake block 62 along rolling groove 65
Become clamping, as shown in Figure 6, consequently, it is possible to planetary gear 64 can stop operating immediately, at planet
Gear 64 related can allow one-way clutch wheel 63 stop operating after stopping operating, at this time transmission rope 80
Can be by the frictional resistance between one-way clutch wheel 63 and the weight of underbeam 16 with wind spring 40
Present the state of standing balance between elastic-restoring force, make curtain 16 to be held in position.
When curtain 16 to be folded, as shown in Figure 8, first exert a force and underbeam 16 is up promoted, make
Transmission rope 80 becomes lax state and reduces the frictional resistance between one-way clutch wheel 63, at this moment
The elastic-restoring force of the wind spring 40 waited can force wind spring wheel 30 to rotate by the thrust of user simultaneously,
Rope closing wheel 50 rotation can be driven during wind spring wheel 30 rotation again, make rope closing wheel 50 to transmission
Rope 80 proceeds by retracting, and during transmission rope 80 is by retracting, transmission rope 80 can be by leading
The guide effect that bar 70 is provided forms arrangement (as shown in Figure 9) orderly on rope closing wheel 50,
Without the situation interfering with each other or being wound around, so just can allow transmission rope 80 upper once by
Start smoothly can be kept during stretching.Bestow when curtain 18 folds to appropriate location release again
The thrust of underbeam 16, transmission rope 80 can be again tightly around in one-way clutch wheel 63, at this time wind spring 40
Elastic-restoring force take turns the frictional resistance between 63 and underbeam 16 with transmission rope 80 and one-way clutch
The state of standing balance can be presented between weight once again, make curtain 16 to be held in position.
It should be added that at this, the present invention structurally can have different change, such as Figure 10
Shown in, the number of brake block 62 is not necessarily intended to three, can essentially be reduced to two, in these feelings
Under condition, brake block 62 is the outer peripheral edge being connected to wheel shaft 61 in the way of relative to each other so that two
A rolling groove 65, configuration in each rolling groove 65 can be formed respectively between the two ends of brake block 62
One planetary gear 64, thus, also can drive row when one-way clutch wheel 63 is transmitted rope 80 drive
Star gear 64 rolls along rolling groove 65, makes between planetary gear 64 and brake block 62 equally
Produce clutch effect.
In sum, the curtain arrestment mechanism 12 of the present invention utilizes one-way clutch unit 60 to control transmission
The start of rope 80, makes curtain 18 all can produce good braking effect during launching and folding
Really, additionally recycling guide rod 70 guide function that transmission rope 80 is provided, make the transmission rope 80 can
Smooth and easy and entirely complete retracting, and then reach the purpose that curtain 18 can stably be launched and fold.
Claims (8)
1. a curtain arrestment mechanism for curtain without stretching wire, includes:
One pedestal；
One retracting unit, is located at this pedestal；
Two rope closing wheels, are rotatably arranged in this pedestal and are adjacent to this retracting unit；
Two one-way clutch unit, are adjacent to this rope closing wheel respectively and are respectively provided with an one-way clutch wheel；
Two guide rods, are located at this pedestal and lay respectively at the side of this rope closing wheel, and respectively this guide rod is axial
It is parallel to the axial of each this rope closing wheel；And
Two transmission ropes, are located at this guide rod respectively and are surrounded on this one-way clutch wheel, and with one
End is fixed on this rope closing wheel.
2. the curtain arrestment mechanism of curtain without stretching wire as claimed in claim 1, wherein this retracting unit
Have two wind springs wheel with wind springs, this two wind spring wheel be rotatably arranged in this pedestal and each other bridle joint one
Rising, this wind spring connects this two wind spring wheel and is selectively wound in this wind spring wheel；Respectively this rope closing wheel is nibbled
Connect this wind spring wheel.
3. the curtain arrestment mechanism of curtain without stretching wire as claimed in claim 1, respectively this unidirectional from
Closing unit and also have a wheel shaft, at least two brake block, and at least two planetary gears, this wheel shaft is fixed
In this pedestal, this two brake block is fixed on this pedestal and is connected to the periphery of this wheel shaft spaced reciprocally,
Making to form a rolling groove between this two brake block, this one-way clutch 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, and this internal ring teeth portion is surrounded on this
Around two brake block, respectively this planetary gear be rollably located in this rolling groove and bridle joint this is unidirectional
The internal ring teeth portion of castle wheel so that the internal ring teeth portion that respectively this planetary gear can be taken turns by this one-way clutch
Drive and with this mutual clamping of two brake block or separate.
4. the curtain arrestment mechanism of curtain without stretching wire as claimed in claim 3, respectively this unidirectional from
Closing wheel and have an isometrical body portion, this isometrical body portion is by this transmission rope institute cincture.
5. the curtain arrestment mechanism of curtain without stretching wire as claimed in claim 3, respectively this rolling groove
Curved.
6. the curtain arrestment mechanism of curtain without stretching wire as claimed in claim 5, respectively this rolling groove
The curvature of one end more than the curvature of each other end of this rolling groove so that respectively the two ends of this brake block are divided
Not forming a braking parts and a carrier, the curvature of this braking parts is more than the curvature of this carrier, when respectively
When this planetary gear is connected in the braking parts of this brake block, this one-way clutch wheel cannot rotate, when respectively should
Planetary gear is connected to the carrier of this brake block, and this one-way clutch wheel can be freely rotatable.
7. the curtain arrestment mechanism of curtain without stretching wire as claimed in claim 3, respectively this unidirectional from
The number of brake block closing unit is two, this two brake block centered by this wheel shaft in being oppositely arranged.
8. the curtain arrestment mechanism of curtain without stretching wire as claimed in claim 3, respectively this unidirectional from
The number of brake block closing unit is three, this three brake block centered by this wheel shaft in angularly arranging,
Make to be formed between adjacent two these brake block this rolling groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510118760.7A CN106032743B (en) | 2015-03-18 | 2015-03-18 | The curtain arrestment mechanism of curtain without stretching wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510118760.7A CN106032743B (en) | 2015-03-18 | 2015-03-18 | The curtain arrestment mechanism of curtain without stretching wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106032743A true CN106032743A (en) | 2016-10-19 |
| CN106032743B CN106032743B (en) | 2018-04-20 |
Family
ID=57150247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510118760.7A Active CN106032743B (en) | 2015-03-18 | 2015-03-18 | The curtain arrestment mechanism of curtain without stretching wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106032743B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107386943A (en) * | 2016-05-16 | 2017-11-24 | 陈金福 | The one-way driving mechanism of curtain without stretching wire |
| CN109869084A (en) * | 2017-12-04 | 2019-06-11 | 敬祐科技股份有限公司 | Double spring type ropewinders for no exposed pulling rod formula curtain |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05295974A (en) * | 1992-04-23 | 1993-11-09 | Bunka Shutter Co Ltd | Brake releaser of motor-driven shutter |
| DE20101006U1 (en) * | 2001-01-19 | 2001-03-29 | Jumbo Surplus Corp., Tortola, British Virgin Island | Pull-up mechanism for a cordless blind |
| GB2367087A (en) * | 2000-07-06 | 2002-03-27 | Newell Operating Co | Blind having variable resistance to movement |
| CN1651710A (en) * | 2004-02-03 | 2005-08-10 | 金坤实业股份有限公司 | Window curtain capable of automatically rising |
| US7228797B1 (en) * | 2000-11-28 | 2007-06-12 | Sundberg-Ferar, Inc. | Cordless blind |
| CN201822572U (en) * | 2010-08-19 | 2011-05-11 | 陈金福 | Opening and closing transmission device for curtain without pull cord |
| CN203161031U (en) * | 2013-03-26 | 2013-08-28 | 太仓敬富塑胶制品有限公司 | Rope coiling device of non-exposed-rope louver and with braking unit |
| CN203867437U (en) * | 2014-03-28 | 2014-10-08 | 太仓敬富塑胶制品有限公司 | Horizontal type curtain without exposed digging rope |
-
2015
- 2015-03-18 CN CN201510118760.7A patent/CN106032743B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05295974A (en) * | 1992-04-23 | 1993-11-09 | Bunka Shutter Co Ltd | Brake releaser of motor-driven shutter |
| GB2367087A (en) * | 2000-07-06 | 2002-03-27 | Newell Operating Co | Blind having variable resistance to movement |
| US7228797B1 (en) * | 2000-11-28 | 2007-06-12 | Sundberg-Ferar, Inc. | Cordless blind |
| DE20101006U1 (en) * | 2001-01-19 | 2001-03-29 | Jumbo Surplus Corp., Tortola, British Virgin Island | Pull-up mechanism for a cordless blind |
| CN1651710A (en) * | 2004-02-03 | 2005-08-10 | 金坤实业股份有限公司 | Window curtain capable of automatically rising |
| CN201822572U (en) * | 2010-08-19 | 2011-05-11 | 陈金福 | Opening and closing transmission device for curtain without pull cord |
| CN203161031U (en) * | 2013-03-26 | 2013-08-28 | 太仓敬富塑胶制品有限公司 | Rope coiling device of non-exposed-rope louver and with braking unit |
| CN203867437U (en) * | 2014-03-28 | 2014-10-08 | 太仓敬富塑胶制品有限公司 | Horizontal type curtain without exposed digging rope |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107386943A (en) * | 2016-05-16 | 2017-11-24 | 陈金福 | The one-way driving mechanism of curtain without stretching wire |
| CN109869084A (en) * | 2017-12-04 | 2019-06-11 | 敬祐科技股份有限公司 | Double spring type ropewinders for no exposed pulling rod formula curtain |
| CN109869084B (en) * | 2017-12-04 | 2021-01-26 | 敬祐科技股份有限公司 | Double-coil spring type rope winder for non-exposed pull rope type curtain |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106032743B (en) | 2018-04-20 |
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