CN104155836B - Projection display device - Google Patents
Projection display device Download PDFInfo
- Publication number
- CN104155836B CN104155836B CN201410413024.XA CN201410413024A CN104155836B CN 104155836 B CN104155836 B CN 104155836B CN 201410413024 A CN201410413024 A CN 201410413024A CN 104155836 B CN104155836 B CN 104155836B
- Authority
- CN
- China
- Prior art keywords
- projection
- screen
- hard curtain
- aluminium
- display equipment
- 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.)
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 19
- 229910052782 aluminium Inorganic materials 0.000 claims description 19
- 239000004411 aluminium Substances 0.000 claims description 19
- 238000003475 lamination Methods 0.000 claims description 19
- 229920003023 plastic Polymers 0.000 claims description 15
- 239000004033 plastic Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 4
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Transforming Electric Information Into Light Information (AREA)
- Overhead Projectors And Projection Screens (AREA)
Abstract
The invention discloses a projection display device which comprises a projection hard curtain and a connecting piece. The projection hard curtain is detachably arranged on the connecting piece which is a folded piece structure. One side of the folded piece is provided with a plurality of through holes. The folded piece is fixed on a wall body through the through holes and screws. The cross section of the other side of the folded piece is an L-shaped groove. According to the projection display device, through the fixation of the connecting piece on the wall body, the embedding of an upper screen frame into the groove of the connecting piece and the connection mode of lapping the projection hard curtain and the connecting piece, the bearing weight of the connecting piece is raised, the thickness of a screen is increased by using the projection hard curtain, thus the deformation of a projection screen is prevented, the screen is smooth, and the installation is convenient.
Description
Technical field
The present invention relates to a kind of screen prjection display technology field, more particularly, to a kind of large-scale projection display equipment.
Background technology
At present project hard screen when mounted, commonly used open up " hanging hole " in two jiaos of screen or corner, hung by screw
On metope, or in screen followed by suppending hole part, then it is suspended on the screw on wall.The hard screen for large-scale orthographic projection and
Speech, makes the hard screen thickness of orthographic projection be restricted (more than 80 inches of projection hard curtain because the bearing capacity of the big hanging hole of area is little
Thickness is: 1.8mm～2.0mm), lead to screen that rough phenomenon occurs, and hang difficult.
Content of the invention
The problems referred to above existing for the hard screen of existing large-scale orthographic projection, now provide one kind to aim at installation simple,
And the smooth projection display equipment of screen.
Concrete technical scheme is as follows:
A kind of projection display equipment, comprising:
One projection hard curtain；
A connection piece, described projection hard curtain is dismountable to be positioned on described connector, and described connector is in that tabs formula is tied
Structure, described tabs side offers plurality of through holes, and described tabs is fixed on described body of wall by described through hole and screw, institute
The cross section stating tabs opposite side is in l connected in star.
Preferably, described projection hard curtain includes:
One projection screen；
One aluminium-plastic panel, described aluminium-plastic panel is arranged at the inner side of described projection screen.
Preferably, described projection screen is made up of polymethyl methacrylate materials.
Preferably, described aluminium-plastic panel includes:
First aluminium lamination, is pasted on the inner side of described projection screen；
Second aluminium lamination, the upper end of described second aluminium lamination is in the shape of falling l structure, and the lapping ends of the described shape of falling l structure are in institute
State the end of l connected in star；
Plastic layer, is arranged between described first aluminium lamination and described second aluminium lamination.
Preferably, also include:
Mask once, is fixed on the bottom of described projection hard curtain；
Mask on one, is fixed on the top of described projection hard curtain, the side of described upper mask end and described l connected in star phase
Adapt to.
Preferably, through hole includes horizontal slot and longitudinal slot.
Preferably, also include:
One pad, between described connector and described body of wall.
Preferably, described pad offers n connected in star, and described n connected in star is adapted with described screw.
The beneficial effect of technique scheme:
By being fixed on connector on body of wall, upper mask is embedded in the groove of connector, and projection hard curtain with
The connected mode of connector overlap joint, improves the load capacity of connector, increased screen thickness using projection hard curtain, thus anti-
Only projection screen deforms upon, and makes screen smooth, and easy for installation.
Brief description
Fig. 1 is the overall structure diagram of projection display equipment of the present invention；
Fig. 2 is the profile of projection hard curtain of the present invention；
Fig. 3 is the front view of connector of the present invention；
Fig. 4 is the left view of Fig. 2；
Fig. 5 is the axonometric chart of Fig. 3；
Fig. 6 is the structural representation of pad of the present invention；
Fig. 7 is the structural representation of projection screen of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained on the premise of not making creative work all its
His embodiment, broadly falls into the scope of protection of the invention.
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Mutually combine.
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, but not as limiting to the invention.
As shown in Figures 1 to 5, a kind of projection display equipment includes: projection hard curtain and connector 30, projection hard curtain is detachable
Be positioned on connector 30, connector 30 is in folding slice structure, and tabs side offers plurality of through holes, and tabs passes through through hole
It is fixed on body of wall with screw, the cross section of tabs opposite side is in l connected in star.
In the present embodiment, connector 30, in order to carry the weight of projection hard curtain, improves the load capacity of connector 30,
By preventing projection screen 20 to deform upon using projection hard curtain, projection hard curtain is positioned on connector 30, projection can be made hard
Curtain is parallel with body of wall, makes screen smooth.
As shown in Figure 1, Figure 2 and Figure 7, in a preferred embodiment, projection hard curtain mays include: projection screen 20 and aluminium-plastic panel,
Aluminium-plastic panel is arranged at the inner side of projection screen 20.Further, the thickness of this aluminium-plastic panel can be 3mm, i.e. the thickness of this projection hard curtain
Degree can be in more than 3mm.
In a preferred embodiment, projection screen 20 by polymethyl methacrylate (polymethyl methacrylate,
Abbreviation pmma) material makes.
As illustrated in fig. 1 and 2, in a preferred embodiment, aluminium-plastic panel mays include: the first aluminium lamination 21, the second aluminium lamination 23 and moulds
The bed of material 22；First aluminium lamination 21 is pasted on the inner side of projection screen 20；The upper end of the second aluminium lamination 23 is in the shape of falling l structure, the shape of falling l structure
Lapping ends in the end of l connected in star；Plastic layer 22 is arranged between the first aluminium lamination 21 and the second aluminium lamination 23.Further,
The thickness of the first aluminium lamination 21 and the second aluminium lamination 23 is 0.8mm, and the thickness of plastic layer 22 is 1.4mm, the bending of the second aluminium lamination 23
Portion is zigzag, is positioned on connector 30 by the way of overlap joint.
As shown in figure 1, in a preferred embodiment, may also include that lower mask 11 and upper mask 10, lower mask 11 is fixed on
The bottom of projection hard curtain；Upper mask 10 is fixed on the top of projection hard curtain, and the side of upper mask 10 end is fitted with l connected in star phase
Should.Lower mask 11 can increase the weight of projection hard curtain, so that projection hard curtain is naturally drooped, and prevents projection hard curtain from producing deformation, upper screen
The end of frame 10 is adapted with l connected in star makes projection hard curtain parallel with body of wall.
As shown in figure 1, in the present embodiment, by being fixed on connector 30 on body of wall, will be embedding for the end of upper mask 10
Enter in l connected in star, improve the load capacity of connector 30, to carry the weight of projection hard curtain, thus preventing projection screen 20
Deform upon, make screen smooth, and easy for installation.
As shown in figure 3, in a preferred embodiment, through hole may include horizontal slot 32 and longitudinal slot 31.Throwing
In the installation process of shadow display device, need first installation connecting element 30, connector 30 is fixed on body of wall, by horizontal slot
The right position of 32 adjustable connecting pieces 30, by the upper-lower position of longitudinal slot 31 adjustable connecting piece 30；To fix again
The end having the upper mask 10 of projection hard curtain is positioned in the l connected in star of connector 30.
As shown in fig. 6, in a preferred embodiment, may also include that pad 4, pad 4 be located at connector 30 and body of wall it
Between.Using the distance between pad 4 adjustment connector 30 and body of wall, when body of wall out-of-flatness, available pad 4 makes connector 30
Surface of wall is firmly fixed to by screw.
In a preferred embodiment, pad 4 offers n connected in star, and n connected in star is adapted with screw.
The foregoing is only preferred embodiments of the present invention, not thereby limit embodiments of the present invention and protection model
Enclose, to those skilled in the art it should can appreciate that done by all utilization description of the invention and diagramatic content
Scheme obtained by equivalent and obvious change, all should be included in protection scope of the present invention.
Claims (7)
1. a kind of projection display equipment is it is characterised in that include:
One projection hard curtain；
A connection piece, described projection hard curtain is dismountable to be positioned on described connector, and described connector is in folding slice structure, institute
State tabs side and offer plurality of through holes, described tabs is fixed on body of wall by described through hole and screw, described tabs is another
The cross section of side is in l connected in star；
Described projection hard curtain includes:
One projection screen；
One aluminium-plastic panel, described aluminium-plastic panel is arranged at the inner side of described projection screen；The thickness of described aluminium-plastic panel is 3mm；
Described aluminium-plastic panel includes:
First aluminium lamination, is pasted on the inner side of described projection screen；
Second aluminium lamination, the upper end of described second aluminium lamination is in the shape of falling l structure, and the lapping ends of the described shape of falling l structure are in described l shape
The end of groove；
Plastic layer, is arranged between described first aluminium lamination and described second aluminium lamination.
2. projection display equipment as claimed in claim 1 is it is characterised in that described projection screen is by polymethyl methacrylate materials
Make.
3. projection display equipment as claimed in claim 1 is it is characterised in that also include:
Mask once, is fixed on the bottom of described projection hard curtain；
Mask on one, is fixed on the top of described projection hard curtain, and the side of described upper mask end is fitted with described l connected in star phase
Should.
4. projection display equipment as claimed in claim 1 is it is characterised in that through hole includes horizontal slot and longitudinal slot.
5. projection display equipment as claimed in claim 1 is it is characterised in that also include:
One pad, between described connector and described body of wall.
6., it is characterised in that described pad offers n connected in star, described n shape is recessed for projection display equipment as claimed in claim 5
Groove is adapted with described screw.
7. projection display equipment as claimed in claim 1 is it is characterised in that described projection screen is front projection screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410413024.XA CN104155836B (en) | 2014-08-20 | 2014-08-20 | Projection display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410413024.XA CN104155836B (en) | 2014-08-20 | 2014-08-20 | Projection display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104155836A CN104155836A (en) | 2014-11-19 |
| CN104155836B true CN104155836B (en) | 2017-01-18 |
Family
ID=51881373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410413024.XA Active CN104155836B (en) | 2014-08-20 | 2014-08-20 | Projection display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104155836B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106406008A (en) * | 2016-10-30 | 2017-02-15 | 张雅婧 | Physical gain gray rear-projection hard screen and manufacturing method thereof |
| CN106292156A (en) * | 2016-10-31 | 2017-01-04 | 张雅婧 | Physics gain black rear-projection screen and preparation method thereof firmly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2618191Y (en) * | 2003-05-13 | 2004-05-26 | 张学武 | Metal curtain |
| CN201083953Y (en) * | 2007-04-30 | 2008-07-09 | 田存超 | Metal substrate overlay film projection screen |
| CN201216341Y (en) * | 2008-06-23 | 2009-04-08 | 厦门日学文教用品有限公司 | White plate suspension positioning device |
| CN201583781U (en) * | 2009-12-24 | 2010-09-15 | 南京卡本科技有限公司 | Installation structure of projecting screen |
| CN204044491U (en) * | 2014-08-20 | 2014-12-24 | 上海仪电电子股份有限公司 | A kind of projection display equipment |
-
2014
- 2014-08-20 CN CN201410413024.XA patent/CN104155836B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2618191Y (en) * | 2003-05-13 | 2004-05-26 | 张学武 | Metal curtain |
| CN201083953Y (en) * | 2007-04-30 | 2008-07-09 | 田存超 | Metal substrate overlay film projection screen |
| CN201216341Y (en) * | 2008-06-23 | 2009-04-08 | 厦门日学文教用品有限公司 | White plate suspension positioning device |
| CN201583781U (en) * | 2009-12-24 | 2010-09-15 | 南京卡本科技有限公司 | Installation structure of projecting screen |
| CN204044491U (en) * | 2014-08-20 | 2014-12-24 | 上海仪电电子股份有限公司 | A kind of projection display equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104155836A (en) | 2014-11-19 |
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