CN106527032B - A kind of electronic last volume projection screen - Google Patents

A kind of electronic last volume projection screen Download PDF

Info

Publication number
CN106527032B
CN106527032B CN201611139251.3A CN201611139251A CN106527032B CN 106527032 B CN106527032 B CN 106527032B CN 201611139251 A CN201611139251 A CN 201611139251A CN 106527032 B CN106527032 B CN 106527032B
Authority
CN
China
Prior art keywords
ropewinder
pipe crimping
curtain
traction rope
shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201611139251.3A
Other languages
Chinese (zh)
Other versions
CN106527032A (en
Inventor
郭锦波
莫世华
秦文君
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GUANGZHOU YUN-HUNG AUDIO-VISUAL EQUIPMENT Co Ltd
Original Assignee
GUANGZHOU YUN-HUNG AUDIO-VISUAL EQUIPMENT Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GUANGZHOU YUN-HUNG AUDIO-VISUAL EQUIPMENT Co Ltd filed Critical GUANGZHOU YUN-HUNG AUDIO-VISUAL EQUIPMENT Co Ltd
Priority to CN201611139251.3A priority Critical patent/CN106527032B/en
Publication of CN106527032A publication Critical patent/CN106527032A/en
Application granted granted Critical
Publication of CN106527032B publication Critical patent/CN106527032B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/54Accessories
    • G03B21/56Projection screens
    • G03B21/58Projection screens collapsible, e.g. foldable; of variable area

Abstract

The invention discloses a kind of electronic last volume projection screens, for projection screen technical field, including shell, pipe crimping, curtain and pipe winding mechanism, the top of curtain is fixedly connected with shell, it is rolled up on pipe crimping along the counter clockwise direction of pipe crimping the bottom end of curtain, pipe winding mechanism includes the ropewinder set on the shell and the traction rope drawn by ropewinder, and the upper end of traction rope is connect with ropewinder, and the clockwise direction of the lower end edge pipe crimping of traction rope is rolled up on pipe crimping.When curtain being needed to transfer, ropewinder discharges traction rope, and pipe crimping rotates whereabouts under the effect of gravity, and traction rope is rolled up on pipe crimping, meanwhile, the curtain on pipe crimping is gradually spread out;When curtain is packed up, ropewinder tightens traction rope, convolution is driven to turn while traction rope is taken off from pipe crimping, under the action of the rotating force, curtain is gradually rolled up on pipe crimping, curtain winding is finally realized while being promoted, structure of the invention is novel, and disclosure satisfy that large-scale or ultra-large type projection screen requirement.

Description

A kind of electronic last volume projection screen
Technical field
The present invention is used for projection screen technical field, more particularly to a kind of electronic last volume projection screen.
Background technology
As the improvement of people's living standards, application of the projection screen in people is more and more extensive, big substituted tradition The trend of television set.Projection screen in the prior art is all to be equipped with spool inside the shell, and projection screen one ends wound is in spool On, it is installed with pull rod on the other end, in use, being pulled out from shell projection screen by pull rod, after use, passes through Spool rolls projection screen, and is accommodated in shell.But above structure is mostly used for small size projection screen, certainly due to spool The limitation of body flexibility and projection screen weight is just difficult to be applicable in for large-scale or ultra-large type projection screen.
Invention content
To solve the above problems, the present invention provides a kind of structure novel, and it disclosure satisfy that large-scale or ultra-large type projection screen It is required that electronic last volume projection screen.
The technical solution adopted by the present invention to solve the technical problems is:A kind of electronic last volume projection screen, including shell, volume Pipe, curtain and pipe winding mechanism, the top of the curtain are fixedly connected with shell, and the bottom end of curtain is rolled up along the counter clockwise direction of pipe crimping On pipe crimping, the pipe winding mechanism includes the ropewinder set on the shell and the traction rope drawn by the ropewinder, described to lead The upper end of messenger is connect with ropewinder, and the clockwise direction of the lower end edge pipe crimping of traction rope is rolled up on pipe crimping.
It is further used as the improvement of technical solution of the present invention, for the curtain volume in the middle part of pipe crimping, ropewinder includes left serving Device, right ropewinder with can the synchronous power plant module for driving the left ropewinder and right ropewinder to lift the traction rope, left serving The traction rope that device is drawn bypasses the left side edge after the fixed pulley of shell left end along curtain and draws downwards and along the suitable of pipe crimping Clockwise volume bypasses after the fixed pulley of shell right end in pipe crimping left end, the traction rope that right ropewinder is drawn along the right side of curtain Lateral edges are drawn downwards and are rolled up in pipe crimping right end along the clockwise direction of pipe crimping.
It is further used as the improvement of technical solution of the present invention, the medium position of the shell is equipped with holder, the left serving Device and right ropewinder include installing transmission shaft on the bracket by bearing block and being located on the transmission shaft to determine Ropewinder and gear, left ropewinder and right ropewinder pass through the gear synchronous reverse drive, the left ropewinder or right serving The transmission shaft of device is equipped with can be with the chaindriven sprocket wheel of the power plant module.
It is further used as the improvement of technical solution of the present invention, the holder is equipped with the volume that traction rope can be made orderly in correspondence The rope processing device of left ropewinder and right ropewinder determined on ropewinder.
It is further used as the improvement of technical solution of the present invention, trip count limit module is equipped on the holder, it is described Trip count limits module with the counting gear with the gear of left ropewinder or right ropewinder engaged transmission.
It is further used as the improvement of technical solution of the present invention, the both ends of the pipe crimping, which are equipped with, can wind the traction rope Dynamic ropewinder, the outside of the dynamic ropewinder is equipped with stop collar of the volume that traction rope can be made orderly on dynamic ropewinder, described dynamic Ropewinder is equipped with bearing with limit inner room.
It is further used as the improvement of technical solution of the present invention, further includes anti-fall mechanism, the anti-fall mechanism includes passing through axis It holds the set axis being inlaid in dynamic ropewinder, the eyenut being located on the set axis and is connected between eyenut and shell Catching device.
It is further used as the improvement of technical solution of the present invention, the top of the shell is equipped with suspension line.
It is further used as the improvement of technical solution of the present invention, power plant module is set on the housing.
It is further used as the improvement of technical solution of the present invention, power plant module and shell split settings.
Beneficial effects of the present invention:When needing curtain to transfer in use, ropewinder discharges traction rope, and pipe crimping is in gravity Lower rotation is fallen, and traction rope is rolled up on pipe crimping, meanwhile, the curtain rolled up on pipe crimping is gradually spread out;When needing to pack up on curtain, Ropewinder tightens traction rope, drives convolution to turn while traction rope is taken off from pipe crimping, under the action of the rotating force, curtain The gradual volume of cloth finally realizes that curtain winding, the present invention are abandoned in the prior art using spool on pipe crimping while being promoted Technical solution, structure novel, and disclosure satisfy that large-scale or ultra-large type projection screen requirement.
The weight of common overwind screen of dynamoelectric projection, pipe crimping and curtain is to influence the unfavorable factor of curtain face planarization:Volume The weight of pipe and curtain is applied on pipe crimping, is made pipe crimping that the sagging flexure in middle part due to gravity be presented, is led to an act face out-of-flatness, even When pipe crimping bending is excessive, winding curtain will produce an act face fold, and irreversible damage is caused to curtain.
And the weight of the underwind screen of dynamoelectric projection of this programme, pipe crimping and curtain is changed into the favorable factor in act face.Pipe crimping It is disposed on the lower end in act face, curtain face can be tightened because of the weight of pipe crimping, and the dead weight in curtain face itself is also advantageous that in the flat of curtain face On whole, therefore the effect of the two is all to keep act face more smooth.Meanwhile the weight of pipe crimping and the curtain face being wrapped on pipe crimping, meeting Power is tightened to traction rope application, so that traction rope is tightly wrapped ropewinder, to make transmission system stable working state.
Description of the drawings
The invention will be further described below in conjunction with the accompanying drawings:
Fig. 1 is curtain unfolded state front view of the present invention;
Fig. 2 is unfolded state side view of the present invention;
Fig. 3 is the right ropewinder side view of the present invention;
Fig. 4 is curtain collapsed state front view of the present invention;
Fig. 5 is curtain collapsed state vertical view of the present invention;
Fig. 6 is power plant module of the present invention and shell split settings schematic diagram.
Specific implementation mode
Referring to figs. 1 to Fig. 6, that show the concrete structures of the preferred embodiments of the invention.It will be detailed below this Invent the design feature of each component, and when if there is being described to direction (upper and lower, left and right, before and after), it is with shown in FIG. 1 Structure is that reference describes, but the actual use direction of the present invention is not limited thereto.
Referring to Fig. 1, Fig. 2, Fig. 4, the present invention provides a kind of electronic last volume projection screens, including shell 1, pipe crimping 2, curtain 3 And pipe winding mechanism, the top of the shell 1 are equipped with suspension line 11, whole device can be mounted on the top of building by suspension line 11 In the structures such as canopy, the top of the curtain 3 is fixedly connected with shell 1, and the bottom end of curtain 3 exists along the counter clockwise direction volume of pipe crimping 2 On pipe crimping 2, the pipe winding mechanism includes the ropewinder being located on shell 1 and the traction rope 41 drawn by the ropewinder, described Traction rope 41 is preferably steel wire rope, and the upper end of the traction rope 41 connect with ropewinder, the lower end edge pipe crimping 2 of traction rope 41 it is suitable Clockwise is rolled up on pipe crimping 2.When curtain 3 being needed to transfer in use, ropewinder discharges traction rope 41, and pipe crimping 2 is in gravity Lower rotation is fallen, and traction rope volume 41 is on pipe crimping 2, simultaneously as the direction that traction rope 41 is wound with curtain 3 is on the contrary, volume is being rolled up Curtain 3 on pipe 2 is gradually spread out;When needing to pack up on curtain 3, ropewinder tightens traction rope 41, and traction rope 41 is from pipe crimping 2 Pipe crimping 2 is driven to rotate while taking off, under the action of the rotating force, gradually volume is finally carrying curtain 3 on pipe crimping 2 Realize that curtain 3 is wound while liter, the present invention abandons the technical solution in the prior art using spool, structure novel, and energy It is enough to meet the requirement of large-scale or ultra-large type projection screen, avoid the problems come by spool itself flexible belt.
The weight of common overwind screen of dynamoelectric projection, pipe crimping and curtain is to influence the unfavorable factor of curtain face planarization:Volume The weight of pipe and curtain is applied on pipe crimping, is made pipe crimping that the sagging flexure in middle part due to gravity be presented, is led to an act face out-of-flatness, even When pipe crimping bending is excessive, winding curtain will produce an act face fold, and irreversible damage is caused to curtain.
And the weight of the underwind screen of dynamoelectric projection of this programme, pipe crimping and curtain is changed into the favorable factor in act face.Pipe crimping It is disposed on the lower end in act face, curtain face can be tightened because of the weight of pipe crimping, and the dead weight in curtain face itself is also advantageous that in the flat of curtain face On whole, therefore the effect of the two is all to keep act face more smooth.Meanwhile the weight of pipe crimping and the curtain face being wrapped on pipe crimping, meeting Power is tightened to traction rope application, so that traction rope is tightly wrapped ropewinder, to make transmission system stable working state.
Wherein, at 2 middle part of pipe crimping, ropewinder includes left ropewinder 42, right ropewinder 43 and synchronous can drive the curtain volume 3 It moves the left ropewinder 42 and right ropewinder 43 lifts the power plant module 44 of the traction rope 41, the traction that left ropewinder 42 is drawn Rope 41 bypasses the left side edge after the fixed pulley 12 of 1 left end of shell along curtain 3 and draws downwards and along the side clockwise of pipe crimping 2 To volume in 2 left end of pipe crimping, the traction rope 41 that right ropewinder 43 is drawn bypasses after the fixed pulley 12 of 1 right end of shell along curtain 3 Right side edge downwards draw and along the clockwise direction of pipe crimping 2 roll up in 2 right end of pipe crimping.One is respectively set at the both ends of pipe crimping 2 to lead Messenger 41, power plant module 44, which synchronizes, drives left ropewinder 42 and right ropewinder 43 that can ensure about 2 traveling comfort of pipe crimping.
Referring to Fig. 3, Fig. 5, the medium position of the shell 1 is equipped with holder 13, and holder 13 uses steel structure forming, the left side Ropewinder 42 and right ropewinder 43 include the transmission shaft 46 being mounted on the holder 13 by bearing block 45 and are located at institute It states and determines ropewinder 47 and gear 48 on transmission shaft 46, left ropewinder 42 and right ropewinder 43 pass through 48 synchronous backward of the gear The transmission shaft 46 of transmission, the left ropewinder 42 or right ropewinder 43 is equipped with can be with 44 chaindriven sprocket wheel of the power plant module 49, the sprocket wheel 49 is located on the transmission shaft 46 of right ropewinder 43 in the present invention, and when work, power plant module 44 is driven by chain drive The transmission shaft 46 of right ropewinder 43 rotates, and right ropewinder 43 imparts power to left winder 42, left spiral by gear 48 again Device 42 and right winder 43 ensure that the traction rope 41 at 2 both ends of pipe crimping being capable of synchronization lifting using the directly engaged transmission of gear 48.
Wherein, the holder 13 is equipped with the volume that traction rope 41 can be made orderly in the left ropewinder 42 of correspondence and right ropewinder 43 The rope processing device 40 determined on ropewinder 47, avoid traction rope 41 determining ropewinder 47 wind, ensure the lifting action of whole device Smooth progress.
In addition, in order to facilitate accurately controlling for 3 lifting travel of curtain, trip count limit is equipped on the holder 13 Position module 14, the trip count limit module 14 have the meter with the gear of left ropewinder 42 or right ropewinder 43 engaged transmission Number gear.
In order to realize orderly winding of the traction rope 41 at pipe crimping both ends, the both ends of the pipe crimping 2 be equipped with can wind it is described The outside of the dynamic ropewinder 21 of traction rope 41, the dynamic ropewinder 21 is equipped with the volume that traction rope 41 can be made orderly in dynamic ropewinder 21 On stop collar 22, stop collar 22 can avoid traction rope 41 and wound in dynamic ropewinder 21, ensure that the lifting action of whole device is suitable It is smooth to carry out, bearing is equipped between the dynamic ropewinder 21 and stop collar 22.
Further include anti-fall mechanism referring to Fig. 1, the anti-fall mechanism includes the set being inlaid in by bearing in dynamic ropewinder 21 Axis 23, the eyenut 24 being located on the set axis 23 and the catching device 25 being connected between eyenut 24 and shell 1.
In the present invention, referring to Fig. 1 or Fig. 4, power plant module 44 may be provided on the shell 1, i.e. power plant module 44 and shell 1 One, this kind of structure facilitate whole device movement, transport.Referring to Fig. 6, power plant module 44 can also be with 1 split settings of shell, and incite somebody to action Its directly be fixedly connected at the top of building, which can mitigate the load capacity of suspension cable 11, increase safety in utilization.
Certainly, the invention is not limited to the above embodiment, and those skilled in the art are without prejudice to originally Equivalent variations or replacement can be also made under the premise of spirit, these equivalent modifications or replacement are all contained in the application right It is required that in limited range.

Claims (8)

1. a kind of electronic last volume projection screen, it is characterised in that:Including shell, pipe crimping, curtain and pipe winding mechanism, the top of the curtain End is fixedly connected with shell, and the bottom end of curtain is rolled up along the counter clockwise direction of pipe crimping on pipe crimping, and the pipe winding mechanism includes being located at Ropewinder on shell and the traction rope drawn by the ropewinder, the upper end of the traction rope are connect with ropewinder, traction rope The clockwise direction of lower end edge pipe crimping roll up on pipe crimping, for curtain volume in the middle part of pipe crimping, ropewinder includes left ropewinder, the right side Ropewinder with can the synchronous power plant module for driving the left ropewinder and right ropewinder to lift the traction rope, left ropewinder draws Traction rope bypass positioned at shell left end fixed pulley after along curtain left side edge downwards draw and along the side clockwise of pipe crimping To volume in pipe crimping left end, the traction rope that right ropewinder is drawn bypasses the right side edge along curtain after the fixed pulley of shell right end It draws downwards and along the clockwise direction of pipe crimping volume in pipe crimping right end, the medium position of the shell is equipped with holder, the left volume Rope device and right ropewinder include installing transmission shaft on the bracket by bearing block and being located on the transmission shaft Determine ropewinder and gear, left ropewinder and right ropewinder pass through the gear synchronous reverse drive, the left ropewinder or right volume The transmission shaft of rope device is equipped with can be with the chaindriven sprocket wheel of the power plant module.
2. electronic last volume projection screen according to claim 1, it is characterised in that:The holder, which is equipped with, so that traction rope is had The rope processing device determined ropewinder on of the volume of sequence in the left ropewinder of correspondence and right ropewinder.
3. electronic last volume projection screen according to claim 1, it is characterised in that:Trip count limit is equipped on the holder Position module, the trip count limit module have the counting gear with the gear of left ropewinder or right ropewinder engaged transmission.
4. electronic last volume projection screen according to claim 1, it is characterised in that:The both ends of the pipe crimping, which are equipped with, to wind The dynamic ropewinder of the traction rope, the outside of the dynamic ropewinder are equipped with limit of the volume that traction rope can be made orderly on dynamic ropewinder Position set, the dynamic ropewinder are equipped with bearing with limit inner room.
5. electronic last volume projection screen according to claim 4, it is characterised in that:Further include anti-fall mechanism, the anti-air crash Structure includes the set axis being inlaid in dynamic ropewinder by bearing, is located at the eyenut covered on axis and is connected to hanging ring spiral shell Catching device between female and shell.
6. electronic last volume projection screen according to claim 1, it is characterised in that:The top of the shell is equipped with suspension line.
7. electronic last volume projection screen according to claim 1, it is characterised in that:Power plant module is set on the housing.
8. electronic last volume projection screen according to claim 1, it is characterised in that:Power plant module and shell split settings.
CN201611139251.3A 2016-12-12 2016-12-12 A kind of electronic last volume projection screen Active CN106527032B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611139251.3A CN106527032B (en) 2016-12-12 2016-12-12 A kind of electronic last volume projection screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611139251.3A CN106527032B (en) 2016-12-12 2016-12-12 A kind of electronic last volume projection screen

Publications (2)

Publication Number Publication Date
CN106527032A CN106527032A (en) 2017-03-22
CN106527032B true CN106527032B (en) 2018-07-17

Family

ID=58343126

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611139251.3A Active CN106527032B (en) 2016-12-12 2016-12-12 A kind of electronic last volume projection screen

Country Status (1)

Country Link
CN (1) CN106527032B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111781794B (en) * 2020-07-23 2020-12-29 深圳市环途创意文化传播有限公司 Adjustable holographic projection screen for holographic projection technology
CN111999977B (en) * 2020-08-29 2022-02-22 芜湖宏嘉科技有限公司 Screen cloth is thrown with foldable stereoplasm to intelligence teaching

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1678955A (en) * 2002-09-18 2005-10-05 崔海龙 Wall roll-up screen
CN103399454A (en) * 2013-08-05 2013-11-20 郑强 Screen, down-rolled mechanism and control method of down-rolled mechanism
CN203385989U (en) * 2013-08-05 2014-01-08 郑强 Screen and downward reeling type mechanism
JP2014160210A (en) * 2013-02-20 2014-09-04 Fantekkusu:Kk Electrically driven screen device
CN204440003U (en) * 2015-02-09 2015-07-01 深圳市白雪投影显示技术有限公司 A kind of underwind electric screen
CN206301141U (en) * 2016-12-12 2017-07-04 广州市雄云视听设备有限公司 A kind of last volume projection screen

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1678955A (en) * 2002-09-18 2005-10-05 崔海龙 Wall roll-up screen
JP2014160210A (en) * 2013-02-20 2014-09-04 Fantekkusu:Kk Electrically driven screen device
CN103399454A (en) * 2013-08-05 2013-11-20 郑强 Screen, down-rolled mechanism and control method of down-rolled mechanism
CN203385989U (en) * 2013-08-05 2014-01-08 郑强 Screen and downward reeling type mechanism
CN204440003U (en) * 2015-02-09 2015-07-01 深圳市白雪投影显示技术有限公司 A kind of underwind electric screen
CN206301141U (en) * 2016-12-12 2017-07-04 广州市雄云视听设备有限公司 A kind of last volume projection screen

Also Published As

Publication number Publication date
CN106527032A (en) 2017-03-22

Similar Documents

Publication Publication Date Title
CN106527032B (en) A kind of electronic last volume projection screen
CN206645744U (en) There is the hoist engine of solidus adjustment function under without stress
CN206310359U (en) Powered reels lifter and its lifting lamp
CN107720418A (en) It is a kind of to be easy to fixed control wire wrap-up
CN204702973U (en) The bitubular cord winder of two bar hoisting clothes-horse
CN102733740A (en) Hollow glass built-in sun-shading device
CN104989920B (en) Cableway image pickup system and control method thereof
CN206301141U (en) A kind of last volume projection screen
CN202120031U (en) Reeling type screen
CN202440263U (en) Special elevator for stage
CN104109969A (en) Automatic lift type clothes hanger
CN200986648Y (en) Roller type self-winding up-down electrical projecting screen
CN209651738U (en) A kind of crane anti-swing system
CN207551797U (en) Steel wire rope synchronous reeling and releasing device
CN207551790U (en) Motor drives roll device
CN204283185U (en) Frame self-locking solar protection devices
CN203558395U (en) Hoisting mechanism of stacker loading platform
CN111824996A (en) Prevent wire rope winch of sports car
CN209082962U (en) The roll device of Lifting basket equipment
CN104003321B (en) It is a kind of for studio, the loop wheel machine with cable winder of stage
CN203923735U (en) A kind of automatic lifting airer
CN109733994A (en) A kind of crane anti-swing system
CN101603406A (en) A kind of roller blind reeling device
CN109235866A (en) Lifting basket equipment
CN205668857U (en) There is the elevator duty platform of apparatus for automatically lifting

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant