CN103643884A - Furling mechanism for covering curtain - Google Patents
Furling mechanism for covering curtain Download PDFInfo
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- CN103643884A CN103643884A CN201310621573.1A CN201310621573A CN103643884A CN 103643884 A CN103643884 A CN 103643884A CN 201310621573 A CN201310621573 A CN 201310621573A CN 103643884 A CN103643884 A CN 103643884A
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- rotating shaft
- axle
- furling mechanism
- shading curtain
- article shading
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Abstract
The invention relates to a furling mechanism for a covering curtain. The furling mechanism comprises a rotating shaft and an outer pipe, the rotating shaft is used for winding the covering curtain, the outer pipe contains the rotating shaft and the covering curtain, the axial direction of the rotating shaft is parallel to that of the outer pipe, an annular supporting element is fixed into the outer pipe, the rotating shaft is rotatably arranged on the supporting element, and an elongated opening for extending of a free end of the covering curtain is axially formed in the side of the outer pipe. The furling mechanism is characterized in that two coil springs are coaxially arranged at two ends of the rotating shaft respectively, each coil spring comprises an inner end and an outer end, each inner end is positioned at the center, each outer end is positioned on the periphery, the inner ends of the coil springs are connected with the rotating shaft, and the outer ends of the coil springs are connected with the outer pipe. According to the furling mechanism, the contactless coil springs replace traditional left-handed springs to realize a furling function, structures such as a spring bead and core iron are omitted, and the furling mechanism is simpler in structure and more stable in performance. As the sizes of the coil springs are small, the coil springs are arranged at the ends of the rotating shaft, less space is occupied, and weight and noise in operation can be greatly relieved as the core iron is omitted. The furling mechanism inherits characteristics of the coil springs, and the service life can be prolonged.
Description
Technical field
The present invention relates to the retracting device of rectangle material, relate in particular to the furling mechanism of article shading curtain.
Background technology
Rolling article shading curtain is widely used in the internal environments such as automobile, and becomes gradually indispensable a kind of product in life.Furling mechanism, as one of important structure of rolling article shading curtain, is realized the draw-in and draw-off function of article shading curtain.Existing furling mechanism generally includes the inner tube for the article shading curtain of reeling, outer tube with accommodating inner tube and article shading curtain, in inner tube, be provided with left-handed spring, in order to support the beat of left-handed spring and control left-handed spring, also in left-handed spring inside, heart iron is set, one end of left-handed spring is connected with the spring pearl that is arranged on heart iron one end, and the other end is fixed.During use, outer tube is fixed, pulled article shading curtain, drive spring pearl to rotate, and then drive one end transfer of left-handed spring, because the other end of left-handed spring is fixed, so in left-handed spring, can produce torsion and store kinetic energy.Now the free end of article shading curtain can be positioned at desired location by other positioner, and when need are regained, unlocking locating device, even if the kinetic energy of left-handed spring storage progressively discharges article shading curtain automatic drawing back.In above-mentioned furling mechanism, owing to being provided with heart iron, mass ratio is heavier, and spring pearl is rotating is installed on heart iron, when article shading curtain reels, easily shakes and produces noise.
Wind spring, full name scroll spring, claims again whirlpool spring, clockwork spring, its helix is in a plane, and one end is wound on center for inner, and it is outer end that the other end is wound to peripheral.Outer end is fixed and at inner action torque; At torsional interaction lower spring material, can produce elasticity of flexure distortion, make spring planar produce torsion, the size at its distortion angle is directly proportional to moment of torsion.Wind spring has high torsion, can apply to the mechanism of long-time work done, has the characteristic of indefatigability, and it uses similar torsion spring.Wind spring is divided into contact and contactless, and contact is usually used in storage power, as various former moving structures; Contactlessly be commonly used to produce anti-torque, as the motor holddown spring of television set.
Summary of the invention
The present invention has overcome the deficiencies in the prior art, provides a kind of simple in structure, and noise is little, lightweight, and effect is stable, and the furling mechanism for article shading curtain of long service life.
For achieving the above object, the technical solution used in the present invention is: a kind of furling mechanism for article shading curtain, comprise the rotating shaft for the described article shading curtain of reeling, outer tube with accommodating described rotating shaft and article shading curtain, described rotating shaft axially and outer tube axially parallel, in outer tube, be fixed with the supporting member of ring-type, described rotating shaft is rotating is located at described supporting member, the sidepiece of described outer tube is provided with the strip opening that the free end for described article shading curtain stretches out vertically, it is characterized in that: the two ends of described rotating shaft are coaxially provided with respectively a wind spring, described wind spring comprises and is positioned at the inner at center and is positioned at peripheral outer end, the inner of described wind spring is connected with described rotating shaft, outer end is connected with described outer tube.
Preferably, described wind spring is contained in the coil spring seat of a cylindric and sealing two ends, described coil spring seat is fixed on described outer tube, coil spring seat is offered axis hole towards one end end face of rotating shaft, described rotating shaft comprises the first axle that external diameter is larger and the second less axle of two external diameters that lays respectively at the first axle two ends, and described second axle one end is connected through the axis hole of described coil spring seat and the inner of wind spring.
Preferably, the outer end sidepiece of described the second axle is provided with draw-in groove or the hole clipping of radially extending, and the inner of described wind spring is hook-shaped, is fastened in described draw-in groove or hole clipping.
Preferably, the outer end sidepiece of described the second axle is provided with the draw-in groove radially extending, described draw-in groove is axially open-ended in the second axle outer end along the second axle, and described draw-in groove radially connects described the second axle, and described draw-in groove is radially exposed along the second axle in the inner termination of described wind spring.
Preferably, described coil spring seat comprises the lower bottom base of the cylindric and end opening matching with described wind spring shape and the upper cover of being located at described lower bottom base openend, can opening with respect to described lower bottom base.
Preferably, the sidewall of described lower bottom base is provided with at least two circumferentially projections of symmetry, and the circumferential edge of described upper cover is provided with the buckle coordinating with described projection.
Preferably, the sidewall of described coil spring seat is provided with groove, and the outer end of described wind spring is hook-shaped, is fastened in described groove.
Preferably, the two ends of described rotating shaft arrange respectively described supporting member, and described coil spring seat is fixed on outer tube by described supporting member.
The invention solves the defect existing in background technology, there is following beneficial effect:
1. furling mechanism of the present invention, replaces traditional left-handed spring to realize with contactless wind spring and furls function, save the structures such as spring pearl, heart iron, and structure is simpler, and performance is more stable.Because wind spring volume is little, be arranged on roller end, therefore do not take up space yet; Saved heart iron, noise when weight reduction is with work greatly.Furling mechanism of the present invention, has inherited the characteristic of wind spring, and extended application life.
2. wind spring can be housed in coil spring seat, limits its radial and axial displacement, and the range of movement while especially working improves and furls stability and reduce noise.
Wind spring inner with the second axle, wind spring outer end is flexibly connected by the mode of clamping respectively with coil spring seat, conveniently assemble and disassemble, adjustment, maintenance, renewal part.The inner of wind spring can be fastened in draw-in groove and stretch out draw-in groove, increases connective stability.
4. coil spring seat is designed to openable form, also conveniently assemble and disassemble, adjustment, maintenance, renewal part.Especially between lower bottom base and upper cover, the mode with buckle connects, easy accessibility, quick and stable connection.
5. rotating shaft, coil spring seat are fixed on outer tube by supporting member successively, not only can save parts, and simplified structure guarantees the stability that rotating shaft rotation and wind spring move simultaneously.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the exploded perspective view of the axial one end of the preferred embodiment of the present invention;
Fig. 2 is the schematic diagram of wind spring in the preferred embodiment of the present invention;
Fig. 3 is the assembly drawing of preferred embodiment of the present invention bottom bracket axle and each assembly of nest spring;
Fig. 4 be from Fig. 3 different angles, the assembly drawing of axle sleeve and each assembly of nest spring;
Fig. 5 is the schematic diagram after wind spring, lower bottom base, axle center and axle sleeve assembling;
Fig. 6 is the schematic diagram after each assembling parts of Fig. 4;
Fig. 7 is the partial sectional view of Fig. 6;
Fig. 8 is the assembly drawing of inner tube in the preferred embodiment of the present invention, interior capping and nest spring and axle sleeve;
Fig. 9 be from Fig. 8 different angles, the assembly drawing of inner tube, interior capping and nest spring and axle sleeve;
Figure 10 is the cut-away view after each assembling parts of Fig. 8;
In figure: 1, outer tube, 11, opening, 2, wind spring, 21, inner, 211, flanging, 22, outer end, 221, flanging, 3, inner tube, 31, interior asperities, 4, lower bottom base, 41, axis hole, 42, projection, 43, groove, 5, axle center, 51, Access Division, 52, rotating part, 521, draw-in groove, 6, upper cover, 61, buckle, 62, body, 621, circular groove, 622, tubulose rib, 623, reinforcing rib, 63, lug, 631, fixing hole, 7, axle sleeve, 71, outer asperities, 72, flange, 8, interior capping, 81, body, 811, installing hole, 82, dividing plate, 821, through hole, 822, fixing hole, 83, flange.
The specific embodiment
The present invention is further detailed explanation in conjunction with the accompanying drawings and embodiments now, and these accompanying drawings are the schematic diagram of simplification, basic structure of the present invention is only described in a schematic way, so it only shows the formation relevant with the present invention.
As Figure 1-10 shows, a kind of furling mechanism for article shading curtain, comprises the rotating shaft for the article shading curtain of reeling, and the outer tube 1 of accommodating rotating shaft and article shading curtain.Rotating shaft axially with outer tube 1 axially parallel, in outer tube 1, be fixed with the supporting member of ring-type, the rotating supporting member of being located at of rotating shaft, the sidepiece of outer tube 1 is provided with the strip opening 11 that the free end of confession article shading curtain stretches out vertically.Wherein, the two ends of rotating shaft are coaxially provided with respectively a wind spring 2, and wind spring 2 comprises and be positioned at the inner 21 at center and be positioned at peripheral outer end 22, and the inner 21 of wind spring 2 is connected with rotating shaft, and outer end 22 is connected with outer tube 1.
Concrete, outer tube 1 is lengthwise casket shape, rotating shaft coaxially arranges with outer tube 1 in outer tube 1.Wind spring 2 is contained in the coil spring seat of a cylindric and sealing two ends, coil spring seat is fixed on outer tube 1, coil spring seat is offered axis hole 41 towards one end end face of rotating shaft, rotating shaft comprises the first axle that external diameter is larger and the second less axle of two external diameters that lays respectively at the first axle two ends, and the second axle is connected through the axis hole 41 of coil spring seat and the inner 21 of wind spring 2.The inner 21 of wind spring 2 and outer end 22 are respectively equipped with flanging 211,221, form hook-shaped end, convenient connection.
More specifically, coil spring seat comprises the lower bottom base 4 of the cylindric and end opening matching with wind spring 2 shapes and the upper cover 6 of being located at lower bottom base 4 openends, can opening with respect to lower bottom base 4.The sidewall of lower bottom base 4 is provided with four circumferentially projections 42 of symmetry, and the circumferential edge of upper cover 6 is provided with four buckles 61 that coordinate respectively with four projections 42.Specifically, axis hole 41 is arranged on the bottom centre of lower bottom base 4.The inside sidewalls of lower bottom base 4 is provided with the groove 43 along circumferential openings, and outer end 22 flangings 221 of wind spring 2 are fastened in groove 43.Upper cover 6 comprises discoidal body 62, and body 62 radially both sides is provided with two lugs 63 that line is crossed body 62 axis, and lug 63 is provided with fixing hole 631.Four buckles 61 protrude from respectively the inner surface of upper cover 6.The body 62 inner side central authorities of upper cover 6 are provided with to the circular groove 621 of body 62 lateral direction depressions.Concrete, in circular groove 621, be provided with the tubulose rib 622 that is positioned at middle part, be also provided with and be uniformly distributed in tubulose rib 622 peripheries, four reinforcing ribs 623 of connecting tubular rib 622 and circular groove 621 sidewalls radially respectively.
In rotating shaft, concrete, the first axle is that inner tube 3, the second axles are axle center 5.Inner tube 3 is connected by axle sleeve 7 with axle center 5.The inwall of inner tube 3 is provided with circumferential array, axially extended interior asperities 31, and the outer wall of axle sleeve 7 is provided with the outer asperities 71 coordinating with interior asperities 31.The whole flange 72 extending radially outwardly that is circumferentially provided with continuously in one end of axle sleeve 7, when axle sleeve 7 stretch into inner tube 3, while being connected by interior asperities 31 and outer asperities 71 with the end of inner tube 3, flange 72 is outside inner tube 3, and the inner side of flange 72 is resisted against on the end face of inner tube 3.Axle center 5 is comprised of coaxial Access Division 51 and rotating part 52, and Access Division 51 is hexa-prism, and rotating part 52 is cylindric.The interior shape of axle sleeve 7 matches with Access Division 51 profiles in axle center 5, and the size of rotating part 52 matches with the size of axis hole 41.The outer end sidepiece of rotating part 52 is provided with the draw-in groove 521 radially extending, and the inner 21 flangings 211 of wind spring 2 are fastened in draw-in groove 521.Draw-in groove 521 is axially open-ended in rotating part 52 outer ends along rotating part 52, and convenient card is established flanging 211.Draw-in groove 521 radially connects rotating part 52, and draw-in groove 521 is radially exposed along rotating part 52 in flanging 211 terminations, draw-in groove 521 is less than the width of flanging 211 respective direction that are fastened on wherein along the axial degree of depth of rotating part 52 in addition, thereby keeps the connective stability in wind spring 2 inner 21 and axle center 5.
Coil spring seat, is contained in the wind spring 2 in coil spring seat, stretches into one end the axle center 5 that coil spring seat is connected with wind spring 2, jointly forms nest spring, and this nest spring is for going back to rotatable scroll spring group outward.
In outer tube 1, be respectively equipped with a supporting member in the two ends of inner tube 3, supporting member is interior capping 8, and coil spring seat is fixed on outer tube 1 by interior capping 8.Interior capping 8 comprises hollow tube-shape body 81 and the dividing plate 82 being arranged in body 81 perpendicular to axial direction of both ends open, offers and can hold the through hole 821 that stretch out the axial one end of coil spring seat on dividing plate 82, is also provided with the fixing hole 822 coordinating with fixing hole 631 on upper cover 6.The profile of interior capping 8 bodies 81 and outer tube 1 interior shape match, and the whole flange 83 extending radially outwardly that is circumferentially provided with continuously in one end of interior capping 8, interior capping 8 is embedded in outer tube 1 end, and flange 83 inner sides are resisted against outer tube 1 end face, and interior capping 8 provides support for nest spring and inner tube 3.On body 81 sidewalls of interior capping 8, can offer installing hole 811, be convenient to interior capping 8 fixing with being threaded of outer tube 1.
The furling mechanism of the present embodiment is in the symmetrical configuration at outer tube 1 two ends.
During assembling, as shown in Fig. 3-7, first the rotating part in axle center 5 52 is inserted to lower bottom bases 4 by the axis hole 41 of lower bottom base 4 bottoms, and wind spring 2 is packed into lower bottom base 4, is set on the rotating part 52 in axle center 5, axle center 5 is fixed in the inner 21 of wind spring 2, and lower bottom base 4 is fixed in outer end 22.Subsequently upper cover 6 is covered to the openend at lower bottom base 4, and by be connected upper cover 6 and the lower bottom base 4 of projection 42 and buckle 61.Complete the assembling of nest spring.Then as shown in Fig. 8-10, interior capping 8 through holes 821 are stretched into in 5 one end, the axle center of nest spring, the buckle 61 of axle center 5, lower bottom base 4, wind spring 2 and upper cover 6 stretches out through hole 821 successively, and the inner side of upper cover 6 lugs 63 is close on interior capping 8 dividing plates 82, and is locked and be fixed in interior capping 8 by screw.At outer tube 1 two ends, respectively 5 one end, the axle center of nest spring are packed into after axle sleeve 7 rotates with inner tube 3 and pack outer tube 1 into.During due to installation, inner tube 3 is reversed the inner 21 rotations that drive wind springs 2, in wind spring 2, produces kinetic energy, according to prior art, the article shading curtain free end being wound in inner tube 3 is stretched out to opening 11 and is fixed on opening part by locating piece, can store this spring kinetic energy.
During work, outer tube 1 is fixing, and pulling article shading curtain free end is deployable article shading curtain, and article shading curtain free end can be positioned at desired location by other positioner.When need are regained, from positioner, discharge article shading curtain, even if the kinetic energy of wind spring 2 storages progressively discharges article shading curtain automatic drawing back.
Above foundation desirable embodiment of the present invention is enlightenment, and by above-mentioned description, related personnel can, within not departing from the scope of this invention technological thought, carry out various change and modification completely.The technical scope of this invention is not limited to the content on manual, must determine technical scope according to claim scope.
Claims (8)
1. the furling mechanism for article shading curtain, comprise the rotating shaft for the described article shading curtain of reeling, outer tube with accommodating described rotating shaft and article shading curtain, described rotating shaft axially and outer tube axially parallel, in outer tube, be fixed with the supporting member of ring-type, described rotating shaft is rotating is located at described supporting member, the sidepiece of described outer tube is provided with the strip opening that the free end for described article shading curtain stretches out vertically, it is characterized in that: the two ends of described rotating shaft are coaxially provided with respectively a wind spring, described wind spring comprises and is positioned at the inner at center and is positioned at peripheral outer end, the inner of described wind spring is connected with described rotating shaft, outer end is connected with described outer tube.
2. a kind of furling mechanism for article shading curtain according to claim 1, it is characterized in that: described wind spring is contained in the coil spring seat of a cylindric and sealing two ends, described coil spring seat is fixed on described outer tube, coil spring seat is offered axis hole towards one end end face of rotating shaft, described rotating shaft comprises the first axle that external diameter is larger and the second less axle of two external diameters that lays respectively at the first axle two ends, and described second axle one end is connected through the axis hole of described coil spring seat and the inner of wind spring.
3. a kind of furling mechanism for article shading curtain according to claim 2, is characterized in that: the outer end sidepiece of described the second axle is provided with draw-in groove or the hole clipping of radially extending, and the inner of described wind spring is hook-shaped, is fastened in described draw-in groove or hole clipping.
4. a kind of furling mechanism for article shading curtain according to claim 3, it is characterized in that: the outer end sidepiece of described the second axle is provided with the draw-in groove radially extending, described draw-in groove is axially open-ended in the second axle outer end along the second axle, and described draw-in groove radially connects described the second axle, described draw-in groove is radially exposed along the second axle in the inner termination of described wind spring.
5. a kind of furling mechanism for article shading curtain according to claim 2, is characterized in that: described coil spring seat comprises the lower bottom base of the cylindric and end opening matching with described wind spring shape and the upper cover of being located at described lower bottom base openend, can opening with respect to described lower bottom base.
6. a kind of furling mechanism for article shading curtain according to claim 5, is characterized in that: the sidewall of described lower bottom base is provided with at least two circumferentially projections of symmetry, and the circumferential edge of described upper cover is provided with the buckle coordinating with described projection.
7. a kind of furling mechanism for article shading curtain according to claim 2, is characterized in that: the sidewall of described coil spring seat is provided with groove, and the outer end of described wind spring is hook-shaped, is fastened in described groove.
8. a kind of furling mechanism for article shading curtain according to claim 2, is characterized in that: the two ends of described rotating shaft arrange respectively described supporting member, and described coil spring seat is fixed on outer tube by described supporting member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310621573.1A CN103643884B (en) | 2013-11-29 | 2013-11-29 | A kind of furling mechanism for article shading curtain |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310621573.1A CN103643884B (en) | 2013-11-29 | 2013-11-29 | A kind of furling mechanism for article shading curtain |
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| Publication Number | Publication Date |
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| CN103643884A true CN103643884A (en) | 2014-03-19 |
| CN103643884B CN103643884B (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310621573.1A Active CN103643884B (en) | 2013-11-29 | 2013-11-29 | A kind of furling mechanism for article shading curtain |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019085034A1 (en) * | 2017-11-02 | 2019-05-09 | 昆山誉球模塑有限公司 | Foldable and recyclable covering curtain |
| CN109958387A (en) * | 2019-05-05 | 2019-07-02 | 厦门泰阳和工贸有限公司 | A kind of device for drawing curtain |
| CN111236824A (en) * | 2020-01-17 | 2020-06-05 | 华腾物联科技(武汉)有限公司 | Combined volute spiral spring structure |
| US11981292B2 (en) | 2017-11-02 | 2024-05-14 | Kunshan Yuqiu Molding Plastics Co., Ltd | Foldable and retractable covering curtain |
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| CN2226136Y (en) * | 1995-03-23 | 1996-05-01 | 李晓文 | Double-roller opposite rolling type mesh window |
| DE202006019822U1 (en) * | 2006-09-26 | 2007-04-05 | Bos Gmbh & Co. Kg | Roller blind rrangement e.g. for use in vehicle, has coil spring, which in released condition towards main extension at a length difference is longer than the spring retaining section |
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| CN201137453Y (en) * | 2007-12-07 | 2008-10-22 | 周文庆 | Electric concealed mesh window |
| CN201659868U (en) * | 2010-04-01 | 2010-12-01 | 宁波帅特龙车辆部件有限公司 | Car sunshade curtain |
| US7874343B2 (en) * | 2006-05-23 | 2011-01-25 | Bos Gmbh & Co. Kg | Roller blind with noiseless flat spiral spring drive |
| CN203684997U (en) * | 2013-11-29 | 2014-07-02 | 昆山皇田汽车配件工业有限公司 | Rolling mechanism for covering curtain |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2226136Y (en) * | 1995-03-23 | 1996-05-01 | 李晓文 | Double-roller opposite rolling type mesh window |
| US7874343B2 (en) * | 2006-05-23 | 2011-01-25 | Bos Gmbh & Co. Kg | Roller blind with noiseless flat spiral spring drive |
| DE202006019822U1 (en) * | 2006-09-26 | 2007-04-05 | Bos Gmbh & Co. Kg | Roller blind rrangement e.g. for use in vehicle, has coil spring, which in released condition towards main extension at a length difference is longer than the spring retaining section |
| CN200981480Y (en) * | 2006-11-10 | 2007-11-28 | 李强 | Vehicle mounted driving platform lightproof device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019085034A1 (en) * | 2017-11-02 | 2019-05-09 | 昆山誉球模塑有限公司 | Foldable and recyclable covering curtain |
| US11981292B2 (en) | 2017-11-02 | 2024-05-14 | Kunshan Yuqiu Molding Plastics Co., Ltd | Foldable and retractable covering curtain |
| CN109958387A (en) * | 2019-05-05 | 2019-07-02 | 厦门泰阳和工贸有限公司 | A kind of device for drawing curtain |
| CN111236824A (en) * | 2020-01-17 | 2020-06-05 | 华腾物联科技(武汉)有限公司 | Combined volute spiral spring structure |
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| CN103643884B (en) | 2015-11-25 |
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