CN101608531B - Improved structure of curtain fabric automatic releasing mechanism for rolling curtains - Google Patents
Improved structure of curtain fabric automatic releasing mechanism for rolling curtains Download PDFInfo
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- CN101608531B CN101608531B CN2009100412871A CN200910041287A CN101608531B CN 101608531 B CN101608531 B CN 101608531B CN 2009100412871 A CN2009100412871 A CN 2009100412871A CN 200910041287 A CN200910041287 A CN 200910041287A CN 101608531 B CN101608531 B CN 101608531B
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- fixed axis
- casement
- torque spring
- sliding sleeve
- locating piece
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Abstract
The invention discloses an improved structure of a curtain fabric automatic releasing mechanism for rolling curtains, which is characterized by comprising curtain fabric rolling drums, a stander, a curtain fabric rolling/releasing mechanism arranged on the stander and used for driving the curtain fabric rolling drums to rotate, a fixed shaft connected to the stander, a torsion spring connected to the end part of a fixed shaft and between the curtain fabric rolling drums by a connecting piece, and a spring elasticity adjusting mechanism arranged on the fixed shaft, wherein the spring elasticity adjusting mechanism comprises a sliding sleeve sleeved on the fixed shaft in a sliding way, a locating block fixedly connected with the sliding sleeve and arranged inside a spring ring of the torsion spring and a locating structure for locating the locating block. Compared with the prior art, the invention has the advantages of less adjusting workload, convenient adjusting and little occupy of limited assembly space needed by a control and adjusting mechanism of curtains.
Description
Technical field:
The present invention relates to a kind of mechanism that reaches that discharges cord.
Background technology.
Existing need not wanting manually earlier put down a part with roller shutter, roller shutter just can be automatically casement on the casement reel puts down with being wound on, and no matter the curtain that is discharged is furnished with much, all easily by regulating the high-speed and impact force that just can overcome the casement tenesmus, labour-saving automatic release curtain cloth mechanism for roll screen such as patent application 20081098423.6 are disclosed during rolling, be by the casement reel, frame, be arranged on casement rolling/relieving mechanism that the drive casement reel on the frame rotates, be connected the torque spring structure between frame and casement reel, be arranged on the interior axle of turn of torque spring, slide before and after on the axle and be provided with the locating piece that has plush copper, the plush copper of locating piece is positioned between the turn of torque spring.During use, pass through turning cylinder, locating piece is moved forward and backward along torque spring, move it the position of setting on the axle, like this, do the action of rolling roller shutter cloth by the casement rolling/relieving mechanism drive casement reel that is fixed on the roller shutter frame, rotation along with the casement reel, the torque spring that links together with it is also along with rotation, when rolling roller shutter cloth finishes soon, torque spring is in the free state that does not have torsion, continues rolling roller shutter cloth until end, and torque spring is also along with rotation, make torque spring from free state again to having a state of certain torsion, the direction of its torsion is opposite with previous direction, and like this, reel has been saved certain screen resilience under the effect of torque spring; When needing to be wound on roller shutter cloth on the casement reel and discharging, touch casement rolling/relieving mechanism, make the casement reel be in free rotary state, at this moment, under the effect of the screen resilience of torque spring, a part of roller shutter cloth is discharged from the casement reel, because part roller shutter cloth discharges from the casement reel and forms enough gravity, so in this section under the pulling of roller shutter cloth gravity, roller shutter cloth constantly discharges from the casement reel, torque spring also rotates along with the rotation of reel, at this moment, torque spring is returned to free state from having resilience torsion, arrive again and store the resilience torsion opposite with screen resilience, release along with casement, torque spring reverses, the diameter of turn is constantly dwindled, when the reduced of torque spring circle to less than the diameter of locating piece the time, torque spring circle lock ring on the locating piece is on locating piece, locating piece to torque spring between frame can not be reversed, have only locating piece to the torque spring between the torque spring free end just can reverse, like this, just increased the power that spring reverses, the power of reversing of the spring that is increased has been offset casement and has been continued to discharge the impact force that is increased, thereby has slowed down the speed of casement tenesmus effectively, has alleviated turning power required when casement turns round, under the action of gravity of roller shutter cloth, the casement that is wound on the casement reel puts down fully.This kind automatic release curtain cloth mechanism for roll screen is because moving forward and backward of locating piece is that spiral along the turn of torque spring is realized, and the distance that moves forward and backward that whenever turns around is very little, like this, during adjusting, needing to rotate a lot of circles just can make locating piece move to the position of setting, thereby make the workload of adjusting big, regulate very inconvenient.
Summary of the invention:
Goal of the invention of the present invention is to provide a kind of improvement structure of regulating workload automatic release curtain cloth mechanism for roll screen few, easy to adjust.
The present invention realizes like this, comprise casement reel, frame, be arranged on casement rolling/relieving mechanism that the drive casement reel on the frame rotates, be connected fixed axis on the frame, be connected the fixed axis end and be connected torque spring between the casement reel, be arranged on the spring force governor motion on the fixed axis by connector, the spring force governor motion comprises the location structure that slip cap is connected on the locating piece of sliding sleeve on the fixed axis, and turn that be positioned at torque spring that be fixed together with sliding sleeve, locating piece is located.During work, the sliding sleeve that moves axially along fixed axis, driving locating piece moves in the turn of torque spring, the position of the setting in locating piece moves to the turn of torque spring, by location structure locating piece is located then, prevent that it from moving and rotating along fixed axis, the position of locating piece in the turn of torque spring is to set like this, when the cloth width of cloth that casement discharged is big, make locating piece close toward torque spring movable end (that end that is connected with the casement reel), when the cloth width of cloth that casement discharged hour, make locating piece away from the torque spring movable end.Like this, do the action of rolling roller shutter cloth by the casement rolling/relieving mechanism drive casement reel that is fixed on the roller shutter frame, rotation along with the casement reel, the torque spring that links together with it is also along with rotation, when rolling roller shutter cloth finishes soon, torque spring is in the free state that does not have torsion, continue rolling roller shutter cloth until end, torque spring is also along with rotation, make torque spring from free state again to having a state of certain torsion, the direction of its torsion is opposite with previous direction, and like this, reel has been saved certain screen resilience under the effect of torque spring; When needing to be wound on roller shutter cloth on the casement reel and discharging, touch casement rolling/relieving mechanism, make the casement reel be in free rotary state, at this moment, under the effect of the screen resilience of torque spring, a part of roller shutter cloth is discharged from the casement reel, because part roller shutter cloth discharges from the casement reel and forms enough gravity, so in this section under the pulling of roller shutter cloth gravity, roller shutter cloth constantly discharges from the casement reel, torque spring also rotates along with the rotation of reel, at this moment, torque spring is returned to free state from having resilience torsion, arrive again and store the resilience torsion opposite with screen resilience, release along with casement, torque spring reverses, the diameter of turn is constantly dwindled, when the reduced of torque spring circle to less than the diameter of locating piece the time, torque spring circle lock ring on the locating piece is on locating piece, locating piece to torque spring between frame can not be reversed, have only locating piece to the torque spring between the torque spring free end just can reverse, like this, just increased the power that spring reverses, the power of reversing of the spring that is increased has been offset casement and has been continued to discharge the impact force that is increased, thereby has slowed down the speed of casement tenesmus effectively, has alleviated turning power required when casement turns round, under the action of gravity of roller shutter cloth, the casement that is wound on the casement reel puts down fully.In the time of need be with the casement rolling, touch casement rolling/relieving mechanism, make casement rolling/relieving mechanism and reel interlock, drive reel by casement rolling/relieving mechanism then and do the rolling rotation, at this moment, because torque spring has been saved certain torsion, and this torsion is to continue to increase along with the release of casement, like this, during rolling, under the effect of torsion, alleviated the power of rolling widely.By the position of sliding sleeve adjusting locating piece, made things convenient for people's adjusting operation, reduced the workload of regulating.The turning cylinder of employing sliding sleeve rather than prior art is regulated the position of locating piece, vacated the adjusting position that is positioned at the roller shutter end, for control, the governor motion of roller shutter that other are set have been reserved assembly space, for the multiple function that promotes, increases roller shutter provides may.
Here, location structure is that the cross section of fixed axis is non-circular, the inner hole section that slip cap is connected on the sliding sleeve on the fixed axis be the cross section with fixed axis match non-circular.Because the cross section of fixed axis, sliding sleeve is non-circular, like this, sliding sleeve can only be along the moving axially of fixed axis, and can not rotate along fixed axis.Locating cross-under outside the turn that is positioned at torque spring of sliding sleeve has dog screw, and the screw that advances on the fixed axis by direct puncture fixes the position that slides on the fixed axis, thereby locating piece is fixed.
Here, locating piece is a pipe body, and its external diameter internal diameter than the turn of the torque spring that is in free state slightly is little.The external diameter of locating piece near the internal diameter of the turn of torque spring, can adapt to the bigger situation of the cloth width of cloth that casement discharges more more.
Compared with the prior art the present invention owing to adopt sliding sleeve to regulate the position of locating piece, therefore, has the workload of adjusting advantage few, easy to adjust, that do not take the limited control of roller shutter, the needed assembly space of governor motion.
Description of drawings:
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the cross sectional view of fixed axis, sliding sleeve.
The specific embodiment:
Now in conjunction with the accompanying drawings and embodiments the present invention is described in further detail:
As shown in the figure, the present invention includes casement reel 4, frame 1, be arranged on casement rolling/relieving mechanism 2 that the drive casement reel 4 on the frame 1 rotates, be connected fixed axis 5 on the frame 1 by casement rolling/relieving mechanism 2, be connected fixed axis 5 end 5a and reach the torque spring 3 that is connected 4 on casement reel by connector 11, be arranged on the spring force governor motion 6 on the fixed axis 5, spring force governor motion 6 comprises that slip cap is connected on the sliding sleeve 7 on the fixed axis 5, that be fixed together and be positioned at the locating piece 8 of the turn of torque spring 3 with sliding sleeve 7, location structure 9 with locating piece 8 location.Location structure 9 is that the cross section 5a of fixed axis 5 is non-circular, the inner hole section that slip cap is connected on the inner hole section 7a of the sliding sleeve 7 on the fixed axis 5 or locating piece 8 be the cross section 5a with fixed axis 5 match non-circular.As shown in Figure 2, non-circular is that quincunx (Fig. 2 (a)) or polygon (Fig. 2 (b)) or fixed axis 5 faces are one to have inner groovy 5b arc, and corresponding sliding sleeve 7 cross sections are the annulus (Fig. 1 (c)) that have convex thing 7b.Outside the turn that is positioned at torque spring 3 of sliding sleeve 7, locate the 7a cross-under dog screw 10 is arranged.Locating piece 8 is pipe bodies, and its external diameter internal diameter than the turn of the torque spring 3 that is in free state slightly is little.
Claims (5)
1. the improvement structure of an automatic release curtain cloth mechanism for roll screen, it is characterized in that comprising the casement reel, frame, be arranged on casement rolling/relieving mechanism that the drive casement reel on the frame rotates, be connected the fixed axis on the frame, be connected the fixed axis end and be connected torque spring between the casement reel by connector, be arranged on the spring force governor motion on the fixed axis, the spring force governor motion comprises that slip cap is connected on the sliding sleeve on the fixed axis, that be fixed together with sliding sleeve and be positioned at the locating piece of the turn of torque spring, location structure with the locating piece location.
2. the improvement structure of automatic release curtain cloth mechanism for roll screen according to claim 1, the cross section that it is characterized in that fixed axis is non-circular, the inner hole section that slip cap is connected on the inner hole section of the sliding sleeve on the fixed axis or locating piece be the cross section with fixed axis match non-circular.
3. the improvement structure of automatic release curtain cloth mechanism for roll screen according to claim 2, it is characterized in that non-circular is quincunx or polygon or fixed axis cross section are one to have the circular arc of inner groovy, and corresponding sliding sleeve cross section is the annulus that has the convex thing.
4. according to the improvement structure of claim 1 or 2 or 3 described automatic release curtain cloth mechanism for roll screen, it is characterized in that locating cross-under outside the turn that is positioned at torque spring of sliding sleeve has dog screw.
5. the improvement structure of automatic release curtain cloth mechanism for roll screen according to claim 4 is characterized in that locating piece is a pipe body, and its external diameter internal diameter than the turn of the torque spring that is in free state slightly is little.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100412871A CN101608531B (en) | 2009-07-16 | 2009-07-16 | Improved structure of curtain fabric automatic releasing mechanism for rolling curtains |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100412871A CN101608531B (en) | 2009-07-16 | 2009-07-16 | Improved structure of curtain fabric automatic releasing mechanism for rolling curtains |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101608531A CN101608531A (en) | 2009-12-23 |
| CN101608531B true CN101608531B (en) | 2011-06-08 |
Family
ID=41482428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100412871A Expired - Fee Related CN101608531B (en) | 2009-07-16 | 2009-07-16 | Improved structure of curtain fabric automatic releasing mechanism for rolling curtains |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101608531B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2222792Y (en) * | 1994-12-20 | 1996-03-20 | 黄泽民 | Self-rolling window curtain |
| US6302179B1 (en) * | 1998-01-16 | 2001-10-16 | James V. Miller | Modular roll-up partition system with tension adjustment mechanism |
| CN101021142A (en) * | 2007-03-12 | 2007-08-22 | 朱晓荧 | Automatic releasing window curtain cloth mechanism for rolling curtain |
| CN101302918A (en) * | 2007-08-27 | 2008-11-12 | 朱晓荧 | Automatic release curtain cloth mechanism for roll screen |
-
2009
- 2009-07-16 CN CN2009100412871A patent/CN101608531B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2222792Y (en) * | 1994-12-20 | 1996-03-20 | 黄泽民 | Self-rolling window curtain |
| US6302179B1 (en) * | 1998-01-16 | 2001-10-16 | James V. Miller | Modular roll-up partition system with tension adjustment mechanism |
| CN101021142A (en) * | 2007-03-12 | 2007-08-22 | 朱晓荧 | Automatic releasing window curtain cloth mechanism for rolling curtain |
| CN101302918A (en) * | 2007-08-27 | 2008-11-12 | 朱晓荧 | Automatic release curtain cloth mechanism for roll screen |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2001-173348A 2001.06.26 |
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| Publication number | Publication date |
|---|---|
| CN101608531A (en) | 2009-12-23 |
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Granted publication date: 20110608 Termination date: 20150716 |
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