CN103399454B - A kind of screen and underwind mechanism and control method thereof - Google Patents
A kind of screen and underwind mechanism and control method thereof Download PDFInfo
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- CN103399454B CN103399454B CN201310353512.1A CN201310353512A CN103399454B CN 103399454 B CN103399454 B CN 103399454B CN 201310353512 A CN201310353512 A CN 201310353512A CN 103399454 B CN103399454 B CN 103399454B
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- curtain
- rotation axis
- pipe crimping
- underwind
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Abstract
The present invention discloses a kind of screen and underwind mechanism and control method thereof, wherein, described underwind mechanism comprises housing, electric device, curtain, rotation axis and pipe crimping, described rotation axis is movably connected in described housing, described curtain one end is fixed in described housing, and the described curtain other end is fixed on described pipe crimping, and described rotation axis is driven by described electric device and rotates, described rotation axis connects described pipe crimping by tinsel, and for linking, described pipe crimping carries out upper and lower scrolling; When carrying out the folding and unfolding of curtain, described electric device drives described rotation axis to rotate, and rotation axis drives described pipe crimping to carry out upper and lower scrolling by tinsel, realizes the folding and unfolding of curtain.
Description
Technical field
The present invention relates to curtain control technology field, particularly relate to a kind of screen and underwind mechanism and control method thereof.
Background technology
Projection screen is used in the occasion such as film, office, home theater, convention and uses, and is used for showing the instrument of image, video file.Along with the development of science and technology, various types of screen occurs thereupon, especially super large screen is subject to pursuing of market especially, and screen is larger, be more difficult to ensure image quality, this is because the design of existing screen adopts overwind mechanism, along with the increase of screen, himself unbalance stress, curtain middle part will cause curtain out-of-flatness because of deflection, thus occurs the phenomenon such as " water sinusoidal " or " V-shape ".
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of screen and underwind mechanism and control method thereof, be intended to solve himself unbalance stress of existing screen and cause curtain to occur the problem of the phenomenon such as " water sinusoidal " or " V-shape ".
Technical scheme of the present invention is as follows:
A kind of underwind mechanism of screen, wherein, described underwind mechanism comprises housing, electric device, curtain, rotation axis and pipe crimping, described rotation axis is movably connected in described housing, described curtain one end is fixed in described housing, and the described curtain other end is fixed on described pipe crimping, and described rotation axis is driven by described electric device and rotates, described rotation axis connects described pipe crimping by tinsel, and for linking, described pipe crimping carries out upper and lower scrolling;
When carrying out the folding and unfolding of curtain, described electric device drives described rotation axis to rotate, and rotation axis drives described pipe crimping to carry out upper and lower scrolling by tinsel, realizes the folding and unfolding of curtain.
The underwind mechanism of described screen, wherein, described housing is strip, the length direction of described housing is provided with multiple for carrying out spacing limit base assembly to rotation axis, and described limit base assembly comprises the limit base that is arranged on housing and the screw for fixing limit base.
The underwind mechanism of described screen, wherein, the length direction of described housing is also provided with several for carrying out spacing limiting plate to rotation axis, described limiting plate is provided with the through hole passed for rotation axis.
The underwind mechanism of described screen, wherein, the pinion that described electric device comprises drive motor, is arranged on the main drive gear on described drive motor and engages with described main drive gear, described pinion is fixed on described rotation axis, described drive motor is fixing on the housing, and drives described rotation axis to rotate by the main drive gear that engages and pinion.
The underwind mechanism of described screen, wherein, is provided with wire drawing at two sides of described curtain.
The underwind mechanism of described screen, wherein, one end of described wire drawing is fixing on the rotating shaft, and the other end of described wire drawing is fixed on pipe crimping.
The underwind mechanism of described screen, wherein, described drive motor connects one for controlling the induction installation of drive motor start and stop, and described induction installation signal connects a telepilot, carries out on off control for receiving remote controller signal to drive motor.
The underwind mechanism of described screen, wherein, described upper end wiry and lower end are intertwined and connected respectively on described rotation axis and pipe crimping.
A control method for the underwind mechanism of screen as above, wherein, comprises step:
A, when carrying out the putting act of curtain, electric device drives described rotation axis to rotate with first direction, and rotation axis drives the downward scrolling of described pipe crimping by tinsel simultaneously, and the pipe crimping of downward scrolling drives described curtain to carry out putting curtain;
B, when carrying out the receipts curtain of curtain, electric device drives described rotation axis to rotate with the second direction contrary with first direction, and rotation axis drives described pipe crimping to scroll up by tinsel simultaneously, and the pipe crimping scrolled up drives described curtain to carry out receipts curtain.
A kind of screen, wherein, comprises underwind mechanism as above.
Beneficial effect: the present invention carries out folding and unfolding by adopting underwind mechanism to curtain, utilize curtain to disperse tenesmus weight, and utilize the weight of pipe crimping to carry out gravity to pull, thus realize the stretching object of curtain, avoid because deflection causes curtain out-of-flatness, occur the irregular phenomenon such as " water sinusoidal " or " V-shape ".
Accompanying drawing explanation
Fig. 1 is the structural representation of underwind mechanism of the present invention preferred embodiment.
Fig. 2 is the partial enlarged drawing of the part A of mechanism underwind shown in Fig. 1.
Fig. 3 is the structural representation at another visual angle of mechanism underwind shown in Fig. 1.
Fig. 4 is the partial enlarged drawing of the part B of schematic diagram shown in Fig. 3.
The partial enlarged drawing of the C part that Fig. 5 is schematic diagram shown in Fig. 3.
Embodiment
The invention provides a kind of screen and underwind mechanism and control method thereof, for making object of the present invention, technical scheme and effect clearly, clearly, the present invention is described in more detail below.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, the invention provides a kind of underwind mechanism of screen, it comprises housing 200, electric device, curtain 100, rotation axis and pipe crimping 300, (electric device and rotation axis are arranged in housing 200, therefore not shown at Fig. 1), described rotation axis is movably connected in described housing 200, described curtain 100 one end is fixed in described housing 200, described curtain 100 other end is fixed on described pipe crimping 300, described rotation axis is driven by described electric device and rotates, described rotation axis connects described pipe crimping 300 by tinsel 400, for linking, described pipe crimping 300 carries out upper and lower scrolling.
Underwind mechanism of the present invention, region is in overwind mechanism of the prior art, the present invention is by fixing for the upper end of curtain 100 (part for curtain 100 upper end is wound around in the housing) in the housing, and lower end is fixed on (part for curtain 100 lower end is wrapped on pipe crimping 300) on pipe crimping 300, drive pipe crimping 300 scrolling by tinsel 400 thus drive curtain 100 to carry out folding and unfolding, as shown in Figure 2, mechanics principle of the present invention is just in time contrary with overwind mechanism of the prior art, overwind mechanism of the prior art, curtain folding and unfolding is driven by the motorized roller of top, the present invention is that the pipe crimping 300 by being in below drives curtain 100 to carry out folding and unfolding, and upper end is fixed, like this due to lower end load-bearing, so the smooth of curtain 100 can be ensured, there will not be the problem because of amount of deflection phenomena impair user viewing.
Further, as more particular embodiment of the present invention, housing in the present invention is strip, shown in composition graphs 3 and Fig. 4, the length direction of housing 200 is provided with multiple for carrying out spacing limit base assembly to rotation axis 230, this limit base assembly comprises the limit base 210 that is arranged on housing and the screw 220 for fixing limit base 210, as shown in Figure 4.Described limit base 210 is fixed on one piece of fixed head, namely be fixed on fixed head by aforesaid screw 220, and the middle part of limit base 210 raises up, a perforation of passing for rotation axis 230 is formed together with described fixed head, the present invention's selection arranges two such limit base assemblies, and is symmetricly set on outer position, rotation axis 230 two ends.
The length direction of described housing 200 is also provided with several for carrying out spacing limiting plate 240 to rotation axis 230, described limiting plate 240 is provided with the through hole passed for rotation axis 230.Described limiting plate 240 acts on similar to aforesaid limit base assembly, is provided with 4, and is symmetricly set on the relatively inner position of rotation axis.
In the present invention, as shown in Figure 5, the pinion 270 that electric device comprises drive motor 250, is arranged on the main drive gear 260 on described drive motor 250 and engages with described main drive gear 260, described pinion 270 is fixed on described rotation axis 230, described drive motor 250 is fixed on described housing 200, and by engagement main drive gear 260 and pinion 270 drive described rotation axis to rotate.Described electric device can arrange two, and is separately positioned on position symmetrical in housing 200, to improve stationarity.
Two sides of described curtain 100 are provided with wire drawing, and one end of this wire drawing is fixed on rotation axis 230, and the other end of described wire drawing is fixed on pipe crimping 300.Several are provided with for carrying out spacing spacing hole to wire drawing at the side of described curtain 100, these spacing holes can be evenly distributed on the side of curtain 100, make wire drawing can be fixed on curtain 100 side, this wire drawing can play the effect preventing curtain from falling, again can stretching curtain.
Further, described drive motor 250 connects one for controlling the induction installation of drive motor 250 start and stop, and described induction installation signal connects a telepilot, carries out on off control for receiving remote controller signal to drive motor 250.Arrange telepilot and corresponding induction installation herein, user can be facilitated to control curtain, and telepilot herein can be Infrared remote controller etc.
Further, the upper end of described tinsel 400 and lower end are intertwined and connected respectively on described rotation axis 230 and pipe crimping 300.
The present invention also provides a kind of control method of underwind mechanism of screen, and it comprises step:
S1, when carrying out the putting act of curtain, electric device drives described rotation axis to rotate with first direction, and rotation axis drives the downward scrolling of described pipe crimping by tinsel simultaneously, and the pipe crimping of downward scrolling drives described curtain to carry out putting curtain;
S2, when carrying out the receipts curtain of curtain, electric device drives described rotation axis to rotate with the second direction contrary with first direction, and rotation axis drives described pipe crimping to scroll up by tinsel simultaneously, and the pipe crimping scrolled up drives described curtain to carry out receipts curtain.
The present invention also provides a kind of screen, and it comprises described underwind mechanism.
In sum, the present invention carries out folding and unfolding by adopting underwind mechanism to curtain, utilize curtain to disperse tenesmus weight, and utilize the weight of pipe crimping to carry out gravity to pull, thus realize the stretching object of curtain, avoid because deflection causes curtain out-of-flatness, occur the irregular phenomenon such as " water sinusoidal " or " V-shape ".
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (6)
1. the underwind mechanism of a screen, it is characterized in that, described underwind mechanism comprises housing, electric device, curtain, rotation axis and pipe crimping, described rotation axis is movably connected in described housing, described curtain one end is fixed in described housing, and the described curtain other end is fixed on described pipe crimping, and described rotation axis is driven by described electric device and rotates, described rotation axis connects described pipe crimping by tinsel, and for linking, described pipe crimping carries out upper and lower scrolling;
When carrying out the folding and unfolding of curtain, described electric device drives described rotation axis to rotate, and rotation axis drives described pipe crimping to carry out upper and lower scrolling by tinsel, realizes the folding and unfolding of curtain;
Described housing is strip, the length direction of described housing is provided with multiple for carrying out spacing limit base assembly to rotation axis, and described limit base assembly comprises the limit base that is arranged on housing and the screw for fixing limit base;
The length direction of described housing is also provided with several for carrying out spacing limiting plate to rotation axis, described limiting plate is provided with the through hole passed for rotation axis;
Two sides of described curtain are provided with wire drawing;
One end of described wire drawing is fixing on the rotating shaft, and the other end of described wire drawing is fixed on pipe crimping;
Described limiting plate is provided with 4, and is symmetricly set on the relatively inner position of described rotation axis;
Be provided with for carrying out spacing spacing hole to wire drawing at the side of described curtain, described spacing hole is evenly distributed on the side of described curtain.
2. the underwind mechanism of screen according to claim 1, it is characterized in that, the pinion that described electric device comprises drive motor, is arranged on the main drive gear on described drive motor and engages with described main drive gear, described pinion is fixed on described rotation axis, described drive motor is fixing on the housing, and drives described rotation axis to rotate by the main drive gear that engages and pinion.
3. the underwind mechanism of screen according to claim 2, it is characterized in that, described drive motor connects one for controlling the induction installation of drive motor start and stop, and described induction installation signal connects a telepilot, carries out on off control for receiving remote controller signal to drive motor.
4. the underwind mechanism of screen according to claim 1, is characterized in that, described upper end wiry and lower end are intertwined and connected respectively on described rotation axis and pipe crimping.
5. a control method for the underwind mechanism of screen as claimed in claim 1, is characterized in that, comprise step:
A, when carrying out the putting act of curtain, electric device drives described rotation axis to rotate with first direction, and rotation axis drives the downward scrolling of described pipe crimping by tinsel simultaneously, and the pipe crimping of downward scrolling drives described curtain to carry out putting curtain;
B, when carrying out the receipts curtain of curtain, electric device drives described rotation axis to rotate with the second direction contrary with first direction, and rotation axis drives described pipe crimping to scroll up by tinsel simultaneously, and the pipe crimping scrolled up drives described curtain to carry out receipts curtain.
6. a screen, is characterized in that, comprise as arbitrary in Claims 1-4 as described in underwind mechanism;
Described limiting plate is provided with 4, and is symmetricly set on the relatively inner position of described rotation axis;
Be provided with for carrying out spacing spacing hole to wire drawing at the side of described curtain, described spacing hole is evenly distributed on the side of described curtain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310353512.1A CN103399454B (en) | 2013-08-05 | 2013-08-05 | A kind of screen and underwind mechanism and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310353512.1A CN103399454B (en) | 2013-08-05 | 2013-08-05 | A kind of screen and underwind mechanism and control method thereof |
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| Publication Number | Publication Date |
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| CN103399454A CN103399454A (en) | 2013-11-20 |
| CN103399454B true CN103399454B (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310353512.1A Active CN103399454B (en) | 2013-08-05 | 2013-08-05 | A kind of screen and underwind mechanism and control method thereof |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104570572A (en) * | 2014-06-30 | 2015-04-29 | 江苏红叶视听器材股份有限公司 | Large-size screen rolling system |
| CN105425525B (en) * | 2016-01-14 | 2017-04-12 | 江苏久誉显示科技有限公司 | Ultra-large downward-rolling type electric elevating screen |
| CN106527032B (en) * | 2016-12-12 | 2018-07-17 | 广州市雄云视听设备有限公司 | A kind of electronic last volume projection screen |
| CN107479314A (en) * | 2017-08-24 | 2017-12-15 | 成都全云科技有限公司 | The fixed equipment of projector curtain |
| CN114518687A (en) * | 2020-12-16 | 2022-05-20 | 王天宇 | Electric curtain controlled by wireless communication |
| CN113503490A (en) * | 2021-06-15 | 2021-10-15 | 武汉市亚美照明电器有限公司 | Traffic sign is pole multi-functional street lamp altogether |
| CN117055283A (en) * | 2023-10-11 | 2023-11-14 | 张家港宝视特影视器材有限公司 | Screen gravity traction control system and application method thereof |
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| CN1954259A (en) * | 2004-05-12 | 2007-04-25 | 西拉斯·克里尔 | Collapsible projection screen systems |
| CN201222160Y (en) * | 2008-06-19 | 2009-04-15 | 无锡信诺视听设备有限公司 | Silver screen with handwheel adjusting device |
| CN101900928A (en) * | 2010-07-14 | 2010-12-01 | 浙江大丰实业有限公司 | Lifting screen |
| CN202120031U (en) * | 2011-06-24 | 2012-01-18 | 马鞍山市影星银幕有限公司 | Reeling type screen |
| CN203385989U (en) * | 2013-08-05 | 2014-01-08 | 郑强 | Screen and downward reeling type mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5644559B2 (en) * | 2011-02-04 | 2014-12-24 | セイコーエプソン株式会社 | Screen device |
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2013
- 2013-08-05 CN CN201310353512.1A patent/CN103399454B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1954259A (en) * | 2004-05-12 | 2007-04-25 | 西拉斯·克里尔 | Collapsible projection screen systems |
| CN201222160Y (en) * | 2008-06-19 | 2009-04-15 | 无锡信诺视听设备有限公司 | Silver screen with handwheel adjusting device |
| CN101900928A (en) * | 2010-07-14 | 2010-12-01 | 浙江大丰实业有限公司 | Lifting screen |
| CN202120031U (en) * | 2011-06-24 | 2012-01-18 | 马鞍山市影星银幕有限公司 | Reeling type screen |
| CN203385989U (en) * | 2013-08-05 | 2014-01-08 | 郑强 | Screen and downward reeling type mechanism |
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| CN103399454A (en) | 2013-11-20 |
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| C06 | Publication | ||
| DD01 | Delivery of document by public notice |
Addressee: Zheng Qiang Document name: Notification of Passing Preliminary Examination of the Application for Invention |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN ANLIAN BUSINESS MACHINE CO., LTD. Free format text: FORMER OWNER: ZHENG QIANG Effective date: 20150618 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20150618 Address after: 518000 Guangdong city of Shenzhen province Baoan District manhole Street Community yamen North Central Avenue South basin hillock Industrial District 4 Building 101 Applicant after: Zheng Qiang Address before: 518000 Jinshan Pavilion, Hoi Fai tower, No. 2128 Nanhai Road, Shenzhen, Guangdong, Nanshan District 15B Applicant before: Zheng Qiang |
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| C14 | Grant of patent or utility model | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20161227 Address after: Nansha District Development Zone Fusheng Dayuan Hengli Town Road Guangzhou City, Guangdong province 511466 No. 4 (No. 4 Building) Patentee after: Guangzhou Platon New Material Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Baoan District manhole Street Community yamen North Central Avenue South basin hillock Industrial District 4 Building 101 Patentee before: Zheng Qiang |