CN207264096U - Project backboard - Google Patents
Project backboard Download PDFInfo
- Publication number
- CN207264096U CN207264096U CN201721276404.9U CN201721276404U CN207264096U CN 207264096 U CN207264096 U CN 207264096U CN 201721276404 U CN201721276404 U CN 201721276404U CN 207264096 U CN207264096 U CN 207264096U
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- China
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- aluminium
- aluminium sheet
- honeycomb core
- paranotum
- eutergum
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Abstract
The utility model provides a kind of projection backboard, it includes eutergum and the paranotum of both sides；One side edge of the paranotum of either side with the eutergum by way of being pivotally connected is connected, and the paranotum of either side has unfolded state and folded state.Substrate of the projection backboard of the utility model using cellular board as the hard screen of optics, it has the advantages that, and expansible, light-weight, flatness is high, excellent mechanical.
Description
Technical field
It the utility model is related to projection art, more particularly to a kind of projection backboard suitable for laser television.
Background technology
Laser television belong to projection equipment one kind, its when in use, image or video are projected to curtain by laser television
On cloth.But the material of curtain is soft, often produces rock in use, and then cause flating.Meanwhile
Curtain use is in high-precision projection TV, the problem of cannot also being met the requirements there are flatness.
Therefore, in view of the above-mentioned problems, being necessary to propose further solution.
Utility model content
The purpose of this utility model is to provide one kind to project backboard, to overcome problems of the prior art.
To realize above-mentioned purpose of utility model, the utility model provides a kind of projection backboard, it includes eutergum and two
The paranotum of side；
One side edge of the paranotum of either side with the eutergum by way of being pivotally connected is connected, either side
Paranotum has unfolded state and folded state；
The eutergum includes：Main surface coating, Zhu Mu basic units, the first aluminium sheet, the first aluminium honeycomb core, the second aluminium sheet, institute
The side that main surface coating is attached to the Zhu Mu basic units is stated, the opposite side of the Zhu Mu basic units is arranged at first aluminium sheet
On, the opposite side of first aluminium sheet is arranged on first aluminium honeycomb core, and the opposite side of first aluminium honeycomb core is set
In on second aluminium sheet；
The paranotum of either side includes：Side surface coating, wing flats basic unit, the 3rd aluminium sheet, the second aluminium honeycomb core, the 4th aluminium
Plate, the side surface coating are attached to the side of the wing flats basic unit, and the opposite side of the wing flats basic unit is arranged at the described 3rd
On aluminium sheet, the opposite side of the 3rd aluminium sheet is arranged on second aluminium honeycomb core, the opposite side of second aluminium honeycomb core
It is arranged on the 4th aluminium sheet.
As the improvement of the projection backboard of the utility model, in the eutergum and paranotum, first aluminium sheet, first
Aluminium honeycomb core, the sum of the thickness of the second aluminium sheet are 4-20mm, the 3rd aluminium sheet, the second aluminium honeycomb core, the thickness of the 4th aluminium sheet
The sum of be 4-20mm.
It is equal as the improvement of the projection backboard of the utility model, the thickness of first aluminium honeycomb core and the second aluminium honeycomb core
For 2-18mm.
As the improvement of the projection backboard of the utility model, the thickness of first aluminium sheet and the second aluminium sheet is 0.8-
1.5mm, the thickness of the 3rd aluminium sheet and the 4th aluminium sheet is 0.8-1.5mm.
As the improvement of the projection backboard of the utility model, in the eutergum and paranotum, first aluminium sheet and the
Two aluminium sheets are connected by adhesive with first aluminium honeycomb core, and the 3rd aluminium sheet and the 4th aluminium sheet pass through adhesive and institute
The second aluminium honeycomb core is stated to be connected.
As the improvement of the projection backboard of the utility model, the adhesive gathers for two component epoxy glue or two-component
Urethane glue or polymeric laminate.
As the improvement of the projection backboard of the utility model, in the eutergum and paranotum, the Zhu Mu basic units and side
Curtain basic unit is DNP screens.
As the improvement of the projection backboard of the utility model, the main surface coating is attached to the main curtain by double faced adhesive tape
The side of basic unit, the side surface coating are attached to the side of the wing flats basic unit by double faced adhesive tape.
As the improvement of the projection backboard of the utility model, the paranotum is pivoted by hinge and the eutergum to be connected
Connect.
Compared with prior art, the beneficial effects of the utility model are：The projection backboard of the utility model is made with cellular board
For the substrate of the hard screen of optics, it has the advantages that, and expansible, light-weight, flatness is high, excellent mechanical.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments described in the utility model, for those of ordinary skill in the art, is not making the creative labor
On the premise of, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the floor map of an embodiment of the projection backboard of the utility model；
Fig. 2 is the Rotating fields schematic diagram of eutergum in Fig. 1；
Fig. 3 is the Rotating fields schematic diagram of paranotum in Fig. 1.
Embodiment
The utility model is described in detail in shown each embodiment below in conjunction with the accompanying drawings, but it should explanation,
These embodiments are not limitation of the utility model, and those of ordinary skill in the art are according to these embodiment institute works
Energy, method or equivalent transformation or replacement in structure, belong within the scope of protection of the utility model.
As shown in Figure 1, the projection backboard of the utility model includes eutergum 1 and the paranotum 2 of both sides, wherein, it is any
One side edge of the paranotum 2 of side with the eutergum 1 by way of being pivotally connected is connected, and the paranotum 2 of either side has
There are unfolded state and folded state.So as to which when projection backboard is in folded state, the backboard of both sides is folded in eutergum 1
The back side, will not so occupy larger space；When projection backboard is in unfolded state, it can be achieved that the large screen projection of projecting apparatus,
Meet the different use demands of user.In one embodiment, the paranotum 2 passes through hinge and 1 pivot of eutergum
Turn connection.
As shown in Fig. 2, the eutergum 1 includes：Main surface coating 11, Zhu Mu basic units 12, the first aluminium sheet 13, the first aluminium bee
Nest core 14, the second aluminium sheet 15.
Wherein, the main surface coating 11 is attached to the side of the Zhu Mu basic units 12, and the main surface coating 11 plays
Reflective effect, it can be plastic layer, bead bisque or metal bisque.The main surface coating 11 can pass through double faced adhesive tape
It is attached to the side of the Zhu Mu basic units 12.In one embodiment, the Zhu Mu basic units 12 are DNP screens.
The opposite side of the Zhu Mu basic units 12 is arranged on first aluminium sheet 13, and the opposite side of first aluminium sheet 13 is set
It is placed on first aluminium honeycomb core 14, the opposite side of first aluminium honeycomb core 14 is arranged on second aluminium sheet 15.From
And first aluminium sheet 13, the first aluminium honeycomb core 14, the second aluminium sheet 15 form sandwich structure, the projection back of the body is arranged so that
Plate is light-weight, flatness is high, excellent mechanical.
Because cellular board very light in weight, illustrated under condition of equivalent thickness with 6mm thickness, the weight of cellular board is solid aluminium sheet weight
The 30% of amount, is the 13% of iron plate weight.Further, the flatness of cellular board can reach 1m with the error of inherence ± 0.3mm.
Additionally since being structural member, the cost of raw material is low, and in each side mechanical property such as compression strength, peel strength, shear strength
It can meet the requirement of the hard panel substrate of optics.And curve screens are done using cellular board, one-pass molding, radius size is more smart
Really, transition is smoother.
Further, in the eutergum 1,13 and second aluminium sheet 15 of the first aluminium sheet passes through adhesive and described first
Aluminium honeycomb core 14 is connected, it is preferable that the adhesive is two component epoxy glue either two-component polyurethane adhesive water or height
Molecule glued membrane.In addition, in order to realize the purpose of mitigation weight, first aluminium sheet 13, the first aluminium honeycomb core 14, the second aluminium sheet 15
The sum of thickness be 4-20mm, wherein, the thickness of first aluminium honeycomb core 14 is 2-18mm, first aluminium sheet 13 and second
The thickness of aluminium sheet 15 is 0.8-1.5mm.
As shown in figure 3, analogously, the paranotum 2 of either side includes：Side surface coating 21, wing flats basic unit 22, the 3rd aluminium
Plate 23, the second aluminium honeycomb core 24, the 4th aluminium sheet 25.
The side surface coating 21 is attached to the side of the wing flats basic unit 22, and the side surface coating 21 plays reflective
Effect, it can be plastic layer, bead bisque or metal bisque.The side surface coating 21 can be attached to by double faced adhesive tape
The side of the wing flats basic unit 22.In one embodiment, the wing flats basic unit 22 is DNP screens.
The opposite side of the wing flats basic unit 22 is arranged on the 3rd aluminium sheet 23, and the opposite side of the 3rd aluminium sheet 23 is set
It is placed on second aluminium honeycomb core 24, the opposite side of second aluminium honeycomb core 24 is arranged on the 4th aluminium sheet 25.From
And the 3rd aluminium sheet 23, the second aluminium honeycomb core 24, the 4th aluminium sheet 25 form sandwich structure, the projection back of the body is arranged so that
Plate is light-weight, flatness is high, excellent mechanical.
Further, in the paranotum 2, the 3rd aluminium sheet 23 and the 4th aluminium sheet 25 pass through adhesive and described second
Aluminium honeycomb core 24 is connected, it is preferable that the adhesive is two component epoxy glue either two-component polyurethane adhesive water or height
Molecule glued membrane.In addition, in order to realize the purpose of mitigation weight, the 3rd aluminium sheet 23, the second aluminium honeycomb core 24, the 4th aluminium sheet 25
The sum of thickness be 4-20mm, wherein, the thickness of second aluminium honeycomb core 24 is 2-18mm, the 3rd aluminium sheet 23 and the 4th
The thickness of aluminium sheet 25 is 0.8-1.5mm.
In conclusion substrate of the projection backboard of the utility model using cellular board as the hard screen of optics, it has can
Extension, the advantages of light-weight, flatness is high, excellent mechanical.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The scope of type is indicated by the appended claims rather than the foregoing description, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical solution, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (9)
1. one kind projection backboard, it is characterised in that the projection backboard includes eutergum and the paranotum of both sides；
One side edge of the paranotum of either side with the eutergum by way of being pivotally connected is connected, the side back of either side
Plate has unfolded state and folded state；
The eutergum includes：Main surface coating, Zhu Mu basic units, the first aluminium sheet, the first aluminium honeycomb core, the second aluminium sheet, the master
Face coat is attached to the side of the Zhu Mu basic units, and the opposite side of the Zhu Mu basic units is arranged on first aluminium sheet, institute
The opposite side for stating the first aluminium sheet is arranged on first aluminium honeycomb core, and the opposite side of first aluminium honeycomb core is arranged at described
On second aluminium sheet；
The paranotum of either side includes：Side surface coating, wing flats basic unit, the 3rd aluminium sheet, the second aluminium honeycomb core, the 4th aluminium sheet, institute
The side that side surface coating is attached to the wing flats basic unit is stated, the opposite side of the wing flats basic unit is arranged at the 3rd aluminium sheet
On, the opposite side of the 3rd aluminium sheet is arranged on second aluminium honeycomb core, and the opposite side of second aluminium honeycomb core is set
In on the 4th aluminium sheet.
2. projection backboard according to claim 1, it is characterised in that in the eutergum and paranotum, first aluminium
Plate, the first aluminium honeycomb core, the sum of the thickness of the second aluminium sheet are 4-20mm, the 3rd aluminium sheet, the second aluminium honeycomb core, the 4th aluminium sheet
The sum of thickness be 4-20mm.
3. projection backboard according to claim 2, it is characterised in that first aluminium honeycomb core and the second aluminium honeycomb core
Thickness is 2-18mm.
4. projection backboard according to claim 2, it is characterised in that the thickness of first aluminium sheet and the second aluminium sheet is
0.8-1.5mm, the thickness of the 3rd aluminium sheet and the 4th aluminium sheet is 0.8-1.5mm.
5. projection backboard according to claim 1, it is characterised in that in the eutergum and paranotum, first aluminium
Plate and the second aluminium sheet are connected by adhesive with first aluminium honeycomb core, and the 3rd aluminium sheet and the 4th aluminium sheet pass through viscose glue
Agent is connected with second aluminium honeycomb core.
6. projection backboard according to claim 5, it is characterised in that the adhesive is two component epoxy glue or double
Component polyurethane glue or polymeric laminate.
7. projection backboard according to claim 1, it is characterised in that in the eutergum and paranotum, the main curtain base
Layer and wing flats basic unit are DNP screens.
8. projection backboard according to claim 7, it is characterised in that the main surface coating is attached to institute by double faced adhesive tape
The side of Shu Zhumu basic units, the side surface coating are attached to the side of the wing flats basic unit by double faced adhesive tape.
9. projection backboard according to claim 1, it is characterised in that the paranotum passes through hinge and the eutergum pivot
Turn connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721276404.9U CN207264096U (en) | 2017-09-30 | 2017-09-30 | Project backboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721276404.9U CN207264096U (en) | 2017-09-30 | 2017-09-30 | Project backboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207264096U true CN207264096U (en) | 2018-04-20 |
Family
ID=61918482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721276404.9U Active CN207264096U (en) | 2017-09-30 | 2017-09-30 | Project backboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207264096U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111338171A (en) * | 2018-12-19 | 2020-06-26 | 青岛海信激光显示股份有限公司 | Projection screen and laser projection device |
-
2017
- 2017-09-30 CN CN201721276404.9U patent/CN207264096U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111338171A (en) * | 2018-12-19 | 2020-06-26 | 青岛海信激光显示股份有限公司 | Projection screen and laser projection device |
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| GR01 | Patent grant |