CN206301141U - A kind of last volume projection screen - Google Patents
A kind of last volume projection screen Download PDFInfo
- Publication number
- CN206301141U CN206301141U CN201621362931.7U CN201621362931U CN206301141U CN 206301141 U CN206301141 U CN 206301141U CN 201621362931 U CN201621362931 U CN 201621362931U CN 206301141 U CN206301141 U CN 206301141U
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- China
- Prior art keywords
- ropewinder
- pipe crimping
- curtain
- pull rope
- projection screen
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Abstract
The utility model discloses a kind of last volume projection screen, for projection screen technical field, including shell, pipe crimping, curtain and pipe winding mechanism, the top of curtain is fixedly connected with shell, rolled up on pipe crimping along the counter clockwise direction of pipe crimping the bottom of curtain, pipe winding mechanism includes the ropewinder being located on shell and the pull rope drawn by ropewinder, and the upper end of pull rope is connected with ropewinder, and the clockwise direction of the lower end edge pipe crimping of pull rope is rolled up on pipe crimping.When needing curtain to transfer, ropewinder release pull rope, pipe crimping rotates whereabouts under gravity, and pull rope is rolled up on pipe crimping, meanwhile, the curtain on pipe crimping gradually spreads out；When curtain is packed up, ropewinder tightens up pull rope, convolution is driven to turn while pull rope is taken off from pipe crimping, in the presence of the rotating force, curtain is gradually rolled up on pipe crimping, final to realize that curtain winds while lifting, the utility model structure is novel, and disclosure satisfy that large-scale or ultra-large type projection screen requirement.
Description
Technical field
The utility model is used for projection screen technical field, more particularly to a kind of last volume projection screen.
Background technology
With 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 of the prior art is all that spool is provided with shell, and projection screen one ends wound is in spool
On, pull bar is installed with the other end, when using, projection screen is pulled out from shell by pull bar, after finishing, pass through
Spool rolls projection screen, and is accommodated in shell.But said structure is mostly used for small size projection screen, due to spool certainly
The limitation of body flexibility and projection screen weight, is just difficult to be applicable for large-scale or ultra-large type projection screen.
Utility model content
To solve the above problems, the utility model provides a kind of structure novelty, and disclosure satisfy that the projection of large-scale or ultra-large type
The last volume projection screen of screen request.
The utility model solves the technical scheme that its technical problem used：A kind of 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 of curtain is rolled up along the counter clockwise direction of pipe crimping
On pipe crimping, the pipe winding mechanism includes the ropewinder being located on shell and the pull rope drawn by the ropewinder, described to lead
The upper end of messenger is connected with ropewinder, and the clockwise direction of the lower end edge pipe crimping of pull rope is rolled up on pipe crimping.
The improvement of technical solutions of the utility model is further used as, in the middle part of pipe crimping, ropewinder includes a left side to the curtain volume
Ropewinder, right ropewinder and the left ropewinder and right ropewinder can be synchronously driven to lift the power plant module of the pull rope, it is left
The left side edge that the pull rope that ropewinder is drawn bypasses along curtain after the fixed pulley of shell left end is drawn downwards and along pipe crimping
Clockwise direction volume in pipe crimping left end, the pull rope that right ropewinder is drawn is bypassed after the fixed pulley of shell right-hand member along curtain
Right side edge downwards draw and along pipe crimping clockwise direction roll up in pipe crimping right-hand member.
The improvement of technical solutions of the utility model is further used as, the medium position of the shell is provided with support, the left side
Ropewinder and right ropewinder include installing power transmission shaft on the bracket by bearing block and are located on the power transmission shaft
Determine ropewinder and gear, left ropewinder and right ropewinder are by the gear synchronous reverse drive, the left ropewinder or the right side
The power transmission shaft of ropewinder is provided with can be with the chaindriven sprocket wheel of the power plant module.
The improvement of technical solutions of the utility model is further used as, the support is provided with the volume that pull rope can be made orderly and exists
The rope processing device determined on ropewinder of the left ropewinder of correspondence and right ropewinder.
The improvement of technical solutions of the utility model is further used as, the spacing module of trip count is equipped with the support,
The spacing module of trip count has the counting gear with left ropewinder or the meshed transmission gear of right ropewinder.
The improvement of technical solutions of the utility model is further used as, the two ends of the pipe crimping are equipped with and can wind the traction
The dynamic ropewinder of rope, is provided with stop collar of the volume that pull rope can be made orderly on dynamic ropewinder, institute on the outside of the dynamic ropewinder
State ropewinder and be provided with bearing with spacing inner room.
The improvement of technical solutions of the utility model is further used as, also including anti-fall mechanism, the anti-fall mechanism includes logical
Cross set axle that bearing is inlaid in dynamic ropewinder, the eyenut being located on the set axle and be connected to eyenut and shell
Between catching device.
The improvement of technical solutions of the utility model is further used as, suspension line is provided with the top of the shell.
The improvement of technical solutions of the utility model is further used as, power plant module sets on the housing.
The improvement of technical solutions of the utility model is further used as, power plant module is set with shell split.
The beneficial effects of the utility model：When needing curtain to transfer in use, ropewinder release pull rope, pipe crimping is in gravity
The lower rotation of effect is fallen, and pull rope is rolled up on pipe crimping, meanwhile, the curtain rolled up on pipe crimping gradually spreads out；When needing to receive curtain
When rising, ropewinder tightens up pull rope, drives convolution to turn while pull rope is taken off from pipe crimping, in the effect of the rotating force
Under, curtain is gradually rolled up on pipe crimping, finally realizes that curtain winds while lifting, and the utility model is abandoned of the prior art
Using the technical scheme of spool, structure is 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 the unfavorable factor for influenceing curtain face planarization：Volume
The weight of pipe and curtain is applied on pipe crimping, makes pipe crimping that the sagging flexure in middle part because of gravity is presented, and causes an act face out-of-flatness, or even
When pipe crimping bending is excessive, winding curtain can produce an act face fold, and irreversible infringement 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
The lower end in act face is disposed on, curtain face can tighten because of the weight of pipe crimping, the deadweight of curtain face in itself is also advantageous that in the flat of curtain face
On whole, therefore the effect of both is all to make act face more smooth.Meanwhile, the weight in pipe crimping and the curtain face being wrapped on pipe crimping, meeting
Pull rope is applied to tighten power, pull rope is tightly wrapped ropewinder, so that transmission system stable working state.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is the utility model curtain deployed condition front view；
Fig. 2 is the utility model deployed condition side view；
Fig. 3 is the right ropewinder side view of the utility model；
Fig. 4 is the utility model curtain collapsed state front view；
Fig. 5 is the utility model curtain collapsed state top view；
Fig. 6 is that the utility model power plant module sets schematic diagram with shell split.
Specific embodiment
Referring to figs. 1 to Fig. 6, that show the concrete structure of the preferred embodiment of the utility model.Below will specifically
The design feature of bright each part of the utility model, and if being described to during direction (upper and lower, left and right, before and after), be with
Structure shown in Fig. 1 is that, with reference to description, but actually used direction of the present utility model is not limited thereto.
Referring to Fig. 1, Fig. 2, Fig. 4, the utility model provides a kind of last volume projection screen, including shell 1, pipe crimping 2, curtain 3
And pipe winding mechanism, the top of the shell 1 is provided with suspension line 11, and whole device can be arranged 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 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 pull rope 41 drawn by the ropewinder, described
Pull rope 41 is preferably steel wire rope, and the upper end of the pull rope 41 is connected with ropewinder, the lower end edge pipe crimping 2 of pull rope 41 it is suitable
Clockwise is rolled up on pipe crimping 2.When needing curtain 3 to transfer in use, ropewinder release pull rope 41, pipe crimping 2 is in Action of Gravity Field
Lower rotation is fallen, and pull rope volume 41 is on pipe crimping 2, simultaneously as pull rope 41 is in opposite direction with what curtain 3 wound, volume is in volume
Curtain 3 on pipe 2 gradually spreads out；When needing to pack up on curtain 3, ropewinder tightens up pull rope 41, and pull rope 41 is from pipe crimping 2
Pipe crimping 2 is driven to rotate while taking off, in the presence of the rotating force, curtain 3 is gradually rolled up on pipe crimping 2, is finally being carried
Realize that curtain 3 winds while liter, the utility model abandons the technical scheme of use spool of the prior art, structure is novel,
And disclosure satisfy that large-scale or ultra-large type projection screen requirement, it is to avoid because of the problems that spool itself flexible belt comes.
The weight of common overwind screen of dynamoelectric projection, pipe crimping and curtain is the unfavorable factor for influenceing curtain face planarization：Volume
The weight of pipe and curtain is applied on pipe crimping, makes pipe crimping that the sagging flexure in middle part because of gravity is presented, and causes an act face out-of-flatness, or even
When pipe crimping bending is excessive, winding curtain can produce an act face fold, and irreversible infringement 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
The lower end in act face is disposed on, curtain face can tighten because of the weight of pipe crimping, the deadweight of curtain face in itself is also advantageous that in the flat of curtain face
On whole, therefore the effect of both is all to make act face more smooth.Meanwhile, the weight in pipe crimping and the curtain face being wrapped on pipe crimping, meeting
Pull rope is applied to tighten power, pull rope is tightly wrapped ropewinder, so that transmission system stable working state.
Wherein, at the middle part of pipe crimping 2, ropewinder includes left ropewinder 42, right ropewinder 43 and can synchronously drive the curtain volume 3
Move the left ropewinder 42 and right ropewinder 43 lifts the power plant module 44 of the pull rope 41, the traction that left ropewinder 42 is drawn
The left side edge that rope 41 bypasses along curtain 3 after the fixed pulley 12 of the left end of shell 1 is drawn downwards and along the side clockwise of pipe crimping 2
To volume in the left end of pipe crimping 2, the pull rope 41 that right ropewinder 43 is drawn is bypassed after the fixed pulley 12 of the right-hand member of shell 1 along curtain 3
Right side edge downwards draw and along pipe crimping 2 clockwise direction roll up in the right-hand member of pipe crimping 2.One is respectively set at the two ends of pipe crimping 2 to lead
Messenger 41, power plant module 44 is synchronous to drive left ropewinder 42 and right ropewinder 43 to ensure that pipe crimping traveling comfort about 2.
Referring to Fig. 3, Fig. 5, the medium position of the shell 1 is provided with support 13, and support 13 uses steel structure forming, the left side
Ropewinder 42 and right ropewinder 43 are included the power transmission shaft 46 being arranged on the support 13 by bearing block 45 and are located at institute
State and determine ropewinder 47 and gear 48 on power transmission shaft 46, left ropewinder 42 and right ropewinder 43 pass through the synchronous backward of the gear 48
The power transmission shaft 46 of transmission, the left ropewinder 42 or right ropewinder 43 is provided with can be with the chaindriven sprocket wheel of the power plant module 44
49, the sprocket wheel 49 is located on the power transmission shaft 46 of right ropewinder 43 in the utility model, and during work, power plant module 44 passes through Chain conveyer
The power transmission shaft 46 of right ropewinder 43 is driven to rotate, right ropewinder 43 imparts power to left winder 42 by gear 48 again, it is left
Winder 42 and right winder 43 use the direct engaged transmission of gear 48, it is ensured that the pull rope 41 at the two ends of pipe crimping 2 can synchronously rise
Drop.
Wherein, the support 13 is provided with the volume that pull 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, it is to avoid pull rope 41 is wound determining ropewinder 47, it is ensured that the lifting action of whole device
It is smooth to carry out.
Additionally, for convenience for the precise control of the lifting travel of curtain 3, trip count limit is equipped with the support 13
Position module 14, the spacing module 14 of trip count has the meter with left ropewinder 42 or the meshed transmission gear of right ropewinder 43
Number gear.
In order to realize orderly winding of the pull rope 41 at pipe crimping two ends, the two ends of the pipe crimping 2 be equipped with can wind it is described
The dynamic ropewinder 21 of pull rope 41, the outside of the dynamic ropewinder 21 is provided with the volume that pull rope 41 can be made orderly in dynamic ropewinder 21
On stop collar 22, stop collar 22 can avoid pull rope 41 from being wound in dynamic ropewinder 21, it is ensured that the lifting action of whole device is suitable
Freely carry out, bearing is provided between the dynamic ropewinder 21 and stop collar 22.
Referring to Fig. 1, also including anti-fall mechanism, the anti-fall mechanism includes the set being inlaid in by bearing in dynamic ropewinder 21
Axle 23, the eyenut 24 being located on the set axle 23 and the catching device 25 being connected between eyenut 24 and shell 1.
In the utility model, referring to Fig. 1 or Fig. 4, power plant module 44 may be provided on the shell 1, i.e. the He of power plant module 44
The one of shell 1, this kind of structure facilitates whole device to move, transport.Referring to Fig. 6, power plant module 44 can also set with the split of shell 1
Put, and it is directly fixedly connected with the top of building, the design can mitigate the load capacity of suspension cable 11, increase and use safety
Property.
Certainly, the invention is not limited to above-mentioned implementation method, and those of ordinary skill in the art are without prejudice to originally
Equivalent variations or replacement can be also made on the premise of utility model spirit, these equivalent modifications or replacement are all contained in the application
In claim limited range.
Claims (10)
1. a kind of last volume projection screen, it is characterised in that：Including shell, pipe crimping, curtain and pipe winding mechanism, the top of the curtain with
Shell is fixedly connected, and the bottom of curtain is rolled up on pipe crimping along the counter clockwise direction of pipe crimping, and the pipe winding mechanism includes being located at shell
On ropewinder and the pull rope drawn by the ropewinder, the upper end of the pull rope is connected with ropewinder, under pull rope
Hold and rolled up on pipe crimping along the clockwise direction of pipe crimping.
2. last volume projection screen according to claim 1, it is characterised in that：The curtain is rolled up in the middle part of pipe crimping, ropewinder bag
Include left ropewinder, right ropewinder and can synchronously drive the left ropewinder and right ropewinder to lift the power mould of the pull rope
Block, the left side edge that the pull rope that left ropewinder is drawn bypasses along curtain after the fixed pulley of shell left end is drawn downwards and edge
In pipe crimping left end, the pull rope that right ropewinder is drawn bypasses the edge after the fixed pulley of shell right-hand member to the clockwise direction volume of pipe crimping
The right side edge of curtain is drawn downwards and the clockwise direction along pipe crimping is rolled up in pipe crimping right-hand member.
3. last volume projection screen according to claim 2, it is characterised in that：The medium position of the shell is provided with support, institute
Stating left ropewinder and right ropewinder includes installing power transmission shaft on the bracket by bearing block and is located at the transmission
Determine ropewinder and gear on axle, left ropewinder and right ropewinder are by the gear synchronous reverse drive, the left ropewinder
Or the power transmission shaft of right ropewinder be provided with can be with the chaindriven sprocket wheel of the power plant module.
4. last volume projection screen according to claim 3, it is characterised in that：The support is provided with can make pull rope orderly
Roll up the rope processing device determined on ropewinder in the left ropewinder of correspondence and right ropewinder.
5. last volume projection screen according to claim 3, it is characterised in that：The spacing mould of trip count is equipped with the support
Block, the spacing module of trip count has the counting gear with left ropewinder or the meshed transmission gear of right ropewinder.
6. last volume projection screen according to claim 2, it is characterised in that：The two ends of the pipe crimping be equipped with can wind it is described
The dynamic ropewinder of pull rope, is provided with the volume that pull rope can be made orderly spacing on dynamic ropewinder on the outside of the dynamic ropewinder
Set, the dynamic ropewinder is provided with bearing with spacing inner room.
7. last volume projection screen according to claim 6, it is characterised in that：Also include anti-fall mechanism, anti-fall mechanism's bag
Include the set axle being inlaid in dynamic ropewinder by bearing, the eyenut being located on the set axle and be connected to eyenut and
Catching device between shell.
8. last volume projection screen according to claim 1, it is characterised in that：Suspension line is provided with the top of the shell.
9. last volume projection screen according to claim 2, it is characterised in that：Power plant module sets on the housing.
10. last volume projection screen according to claim 2, it is characterised in that：Power plant module is set with shell split.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621362931.7U CN206301141U (en) | 2016-12-12 | 2016-12-12 | A kind of last volume projection screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621362931.7U CN206301141U (en) | 2016-12-12 | 2016-12-12 | A kind of last volume projection screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206301141U true CN206301141U (en) | 2017-07-04 |
Family
ID=59214664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621362931.7U Active CN206301141U (en) | 2016-12-12 | 2016-12-12 | A kind of last volume projection screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206301141U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106527032A (en) * | 2016-12-12 | 2017-03-22 | 广州市雄云视听设备有限公司 | Electric roll-down projection screen |
-
2016
- 2016-12-12 CN CN201621362931.7U patent/CN206301141U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106527032A (en) * | 2016-12-12 | 2017-03-22 | 广州市雄云视听设备有限公司 | Electric roll-down projection 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 |
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