CN2486992Y - Float assembling frame capable of synchronous expand with heat and contract with cold with back project screen picture - Google Patents
Float assembling frame capable of synchronous expand with heat and contract with cold with back project screen picture Download PDFInfo
- Publication number
- CN2486992Y CN2486992Y CN 01245055 CN01245055U CN2486992Y CN 2486992 Y CN2486992 Y CN 2486992Y CN 01245055 CN01245055 CN 01245055 CN 01245055 U CN01245055 U CN 01245055U CN 2486992 Y CN2486992 Y CN 2486992Y
- Authority
- CN
- China
- Prior art keywords
- floating support
- unsteady
- floating
- framework
- column
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Abstract
A floating assembly frame that is synchronous with a rear projection screen piece in heat expanding and coldness contracting is formed by assembled fixing rear projection screen frame unit structures, which are structured by rear projection screen pieces [1] and frame bodies [2] that are fixedly connected along the screen piece margins, and is characterized in that a supporting frame is made up of at least two vertically and alternatively arranged floating supporting columns and at least two horizontally and alternatively arranged floating supporting rows. Every floating supporting column is structured by vertical sliding fit of a floating column [3] and a corresponding fixed column [4], and every floating row is structured by horizontal sliding fit of a floating beam [5] and a corresponding fixed beam [6]. Fixed connection of a floating part of the floating supporting column and the floating supporting row and another fixed part forms a floating supporting frame, and another floating part is fixed connected with the frame body [2]. The floating assembly frame is characterized in that by improving the frame structure, fixation types and material properties, the technical difficulty of zero joint seam of large-screen video-wall floating assembly is solved, and the problems like uneven distortion and peeling of rear projection screen pieces caused by heat expansion and coldness contract because of weather change are solved, therefore, screen assembly quality of rear projection screens is enhanced fundamentally.
Description
Technical field
The utility model relates to a kind of mask assembled frame of projecting piece screen wall, be specifically related to a kind of can adapt to preferably each projecting piece assembly unit unit expand with heat and contract with cold the distortion unsteady assembly unit general frame structure.
Background technology
Along with science and technology development, the especially develop rapidly of computer technology and mechanics of communication, large screen display is favored by people all the more.In recent years, in the developing rapidly of projection TV, most of production firms of the industry and technician concentrate on sight more and adopt projecting piece formal, thereby make the rear-projection technology present development trend in the ascendant.
From the practical application angle, present every engineering is increasing to the dimensional requirement of display screen, adopts the monolithic rear projection screen can't satisfy actual needs, is the unique channel that addresses this problem and adopt multi-disc even tens of projecting pieces to carry out assembling combination.But new problem in the splicing of large screen back projection unit, occurred, promptly caused screen sheet in the giant-screen assembly unit unit and the problem on deformation between the assembly unit unit because projecting piece expands with heat and contract with cold.Therefore how to carry out the multi-disc multilayer and correctly splice, to reach the physics and the optical effect of super large display screen piece, this is the problem of the utility model discussion just.
At present, in the prior art, the splicing of multi-disc multilayer rear projection screen roughly has two kinds of methods both at home and abroad.First kind is the pin method, and promptly punching dowel silk interfixes between each monolithic screen sheet.This method is fairly simple, does not need attachment device, but can not finish the multilayer assembly unit, and the video wall piece is second-rate.Second kind is framework method, promptly adopt special-purpose aluminium section bar to make the unit frame, be used for fixing each piece rear projection screen mask, and each piece screen sheet and unit frame constitute an independent rear projection screen unit, according to actual needs independent rear projection screen unit is arranged successively that by row and column assembling combination becomes the large screen back projection video wall then.This method has overcome all shortcomings of pin method, is at present popular in the world advanced assembling method.But in the practice of framework method, because the coefficient of thermal expansion and contraction of each material does not match, add the characteristic of expanding with heat and contract with cold of screen itself, therefore in use produce in various degree distortion with the variation of temperature and humidity, make screen sheet surface projection, depressed phenomenon occur, occur adverse consequencess such as crack, distortion between the unit.Finally cause the image straight line directly not wait the anamorphose phenomenon, directly influence the picture mosaic effect, greatly reduce and piece together the curtain quality, also can occur observing overdue when serious.
Summary of the invention
The utility model purpose provides a kind of unsteady assembled frame structure that can expand with heat and contract with cold synchronously with the rear projection screen mask, thereby satisfy super large rear projection screen mask and distortion needs that assembly unit produced preferably, with physics and the optical effect that guarantees screen piece in the long-term use.
For achieving the above object, the technical solution adopted in the utility model is: a kind of unsteady assembled frame that can expand with heat and contract with cold synchronously with the rear projection screen mask, by the splicing of fixing rear-projection curtain frame cellular construction and be fixed on the scaffold and constitute, fixedlyed connected along the mask edge with framework by projecting piece and constitute in described rear-projection curtain frame unit, described scaffold is by at least two floating support row and at least two capable compositions of floating support of laterally being separated by and being provided with of vertically being separated by and being provided with, each floating support is listed as by the column that floats and constitutes with corresponding vertical columns longitudinal sliding motion cooperation, capable laterally being slidingly matched with corresponding fixed cross beam by the crossbeam that floats of each floating support constitutes, floating support row and a kind of floating part during floating support is capable are fixedlyed connected formation floating support framework with another kind of fixture, and another kind of floating part is fixedlyed connected with the framework of rear-projection curtain frame unit.
In the technique scheme, described " floating support row " and " floating support is capable " are to define from the member orientation that forms scaffold, and its implication comprises following two kinds of situations:
1, a floating part and fixture formation that is slidingly matched;
2, two above floating part strings formation that on a fixture, is slidingly matched.
In the technique scheme, described floating support row and the capable formation of floating support " floating support framework " have two kinds of annexations, and respectively corresponding two kinds of relocatable forms:
1, the vertical columns of the unsteady crossbeam that floating support is capable and floating support row is fixedlyed connected formation floating support framework, and the unsteady column of floating support row is fixedlyed connected with the framework of rear-projection curtain frame unit.This relocatable form best results because present large-screen tv wall generally always lateral length greater than longitudinal length, so the framework of rear-projection curtain frame unit is fixed on the vertical floating column more reasonable.
2, the fixed cross beam that the unsteady column of floating support row and floating support are capable is fixedlyed connected formation floating support framework, and the capable unsteady crossbeam of floating support is fixedlyed connected with the framework of rear-projection curtain frame unit.This relocatable form possible in theory, but the effect in the practical application is poor slightly.
In the technique scheme, in order to make each floating part relative fixed part a fixed position is arranged, the unsteady crossbeam that described floating support is capable is located to fix with corresponding fixed cross beam on one point; The unsteady column of floating support row is located to fix with corresponding vertical columns on one point.All even reasonable for floating of the generation of expanding with heat and contract with cold split at whole scaffold, said fixing position scheme preferably is: the unsteady crossbeam that floating support is capable is fixed in midpoint with corresponding fixed cross beam; The unsteady column of floating support row and corresponding vertical columns in the upper end or lower end fix.
The variation of comprehensive above technical scheme can produce following best of breed: on the technique scheme basis, scaffold is by two capable compositions of floating support of laterally being separated by and being provided with, the capable unsteady crossbeam of floating support is fixedlyed connected formation floating support framework with the vertical columns of floating support row, and the unsteady column of floating support row is fixedlyed connected with the framework of rear-projection curtain frame unit, the unsteady crossbeam that floating support is capable is fixed in midpoint with corresponding fixed cross beam, the unsteady column of floating support row and corresponding vertical columns in the upper end or lower end fix.
Make technical solutions of the utility model obtain optimum efficiency in actual applications, in the technique scheme, utilize the described unsteady crossbeam of principle of expanding with heat and contracting with cold requirement, the column that floats is consistent with the material expansion coefficient of projecting piece with the framework of rear-projection curtain frame unit.Described " material expansion coefficient unanimity " can be for identical, also can be for approaching, and its degree of closeness is relevant with effect.
Technique scheme can be used for also can being used to have the slit splicing near the splicing of 0 piece optics as a kind of floating support framework of framework method.
The utility model principle of work is: the material of selecting the expansion coefficient unanimity, utilize the slip cooperating relationship between floating part and the fixture, from vertical and horizontal by connecting and composing a floating support framework, then rear projection screen unit assembly unit successively is fixed on the floating part, when projecting piece changes when vertically producing distortion with temperature and humidity, unsteady column on the floating support framework and framework are vertically being floated synchronously with projecting piece; When projecting piece changes when laterally producing distortion with temperature and humidity, unsteady crossbeam on the floating support framework and framework are laterally being floated synchronously with projecting piece, thereby realize expanding with heat and contract with cold synchronously.
Because the technique scheme utilization, the utility model compared with prior art has following advantage:
1, the utility model is from relocation mechanism, point of fixity position and material behavior equal angles, set up a kind of unsteady assembled frame structure that can expand with heat and contract with cold synchronously with the rear projection screen mask, overcome because of climate change and caused the problem such as cause the projecting piece deformation of unevenness, come off of expanding with heat and contract with cold, satisfy the distortion needs after the assembly unit of super large rear-projection display screen curtain well, thereby guaranteed the physics and the optical effect of screen piece preferably.
2, the utility model cooperates with custom-designed microseam split framework, and the optics between the rear-projection curtain frame unit is spliced near 0 piece, thereby has improved the piece quality of large-screen tv wall.
3, the utility model is simple in structure, technical conceive is ingenious, especially actual effect is remarkable under crossbeam, float column and the framework of the rear-projection curtain frame unit condition consistent with the material expansion coefficient of projecting piece of floating, therefore have outstanding characteristics, for positive contribution has been made in the development of large screen back projection video wall assembling technique.
4, the tentative assembly unit of video wall of the utility model-2 * 6 liang of group specifications through 72 " 2 * 4 and 100 ", through many uses half a year, effect is very satisfied, the expert that obtained going together approval.
Description of drawings
Accompanying drawing 1 is the utility model perspective view;
In the above accompanying drawing: [1], projecting piece; [2], framework; [3], unsteady column; [4], vertical columns; [5], unsteady crossbeam; [6], fixed cross beam; [7], fixing card; [8], crosswise fixed point; [9], vertical point of fixity; [10], supporting-point.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment: referring to accompanying drawing 1, accompanying drawing 2 and accompanying drawing 5, the unsteady assembled frame that one profit can be expanded with heat and contract with cold synchronously with the rear projection screen mask, adopt microseam split to become two-layer by 4 rear-projection curtain frame unit near 0, and be fixed on the scaffold and constitute, formation is fixedlyed connected by projecting piece [1] and framework [2] in rear-projection curtain frame unit along the mask edge, framework [2] is a plastic material, and the expansion coefficient of material is near projecting piece [1].Described scaffold is by 3 floating support row and 2 capable compositions of floating support of laterally being separated by and being provided with of vertically being separated by and being provided with, each floating support is listed as by the column [3] that floats and cooperates formation with corresponding vertical columns [4] longitudinal sliding motion, and each floating support is capable of unsteady crossbeam [5] and corresponding fixed cross beam [6] formation that laterally is slidingly matched.Each unsteady crossbeam [5] is fixedlyed connected formation floating support framework through fixing card [7] with vertical columns [4], and unsteady column [3] is fixedlyed connected with the framework [2] of rear-projection curtain frame unit.The column [3] that floats is an integral plastics section bar, and material is identical with framework [2], and it vertically has chute, and the shape of chute and size cooperate (seeing accompanying drawing 5) with vertical columns [4].Vertical columns [4] is 40 * 20/2mm steel pipe.The crossbeam [5] that floats is an integral plastics section bar, and material is identical with framework [2], and it laterally has chute, and the shape of chute and size cooperate (seeing accompanying drawing 1) with fixed cross beam [6].Fixed cross beam [6] is 40 * 80 steel pipes, and the two ends of fixed cross beam [6] are separately fixed on body of wall, support or the support column as supporting-point [10].It is all even reasonable for floating of the generation of expanding with heat and contract with cold split at whole floating support framework, point of fixity position in the relocation mechanism is: every unsteady crossbeam [5] is fixed in midpoint with corresponding fixed cross beam [6], be that crosswise fixed point [8] position is fixed, fixing means is to adopt bolt and nut that two members are fixedly connected at this some place; Every unsteady column [3] is fixed (seeing accompanying drawing 3) with corresponding vertical columns [4] at upper end, promptly vertically point of fixity [9] position is fixed, and fixing means is the same.
Claims (8)
1, a kind of unsteady assembled frame that can expand with heat and contract with cold synchronously with the rear projection screen mask, by the splicing of fixing rear-projection curtain frame cellular construction and be fixed on the scaffold and constitute, formation is fixedlyed connected by projecting piece [1] and framework [2] in described rear-projection curtain frame unit along the mask edge, it is characterized in that: described scaffold is by at least two floating support row and at least two capable compositions of floating support of laterally being separated by and being provided with of vertically being separated by and being provided with, each floating support is listed as by column [3] and corresponding vertical columns [4] the longitudinal sliding motion cooperation formation of floating, each floating support is capable of float crossbeam [5] and corresponding fixed cross beam [6] formation that laterally is slidingly matched, floating support row and a kind of floating part during floating support is capable are fixedlyed connected formation floating support framework with another kind of fixture, and another kind of floating part is fixedlyed connected with the framework [2] of rear-projection curtain frame unit.
2, unsteady assembled frame according to claim 1, it is characterized in that: the capable unsteady crossbeam [5] of described floating support is fixedlyed connected formation floating support framework with the vertical columns [4] of floating support row, and the unsteady column [3] of floating support row is fixedlyed connected with the framework [2] of rear-projection curtain frame unit.
3, unsteady assembled frame according to claim 1, it is characterized in that: unsteady column [3] fixed cross beam [6] capable with floating support of described floating support row fixedlyed connected formation floating support framework, and the capable unsteady crossbeam [5] of floating support is fixedlyed connected with the framework [2] of rear-projection curtain frame unit.
4, unsteady assembled frame according to claim 1 is characterized in that: the unsteady crossbeam [5] that described floating support is capable is located to fix with corresponding fixed cross beam [6] on one point; The unsteady column [3] of floating support row is located to fix with corresponding vertical columns [4] on one point.
5, unsteady assembled frame according to claim 4 is characterized in that: the unsteady crossbeam [5] that described floating support is capable is fixed in midpoint with corresponding fixed cross beam [6].
6, unsteady assembled frame according to claim 4 is characterized in that: the unsteady column [3] of described floating support row and corresponding vertical columns [4] in the upper end or lower end fix.
7, unsteady assembled frame according to claim 1, it is characterized in that: described scaffold is by two capable compositions of floating support of laterally being separated by and being provided with, the capable unsteady crossbeam [5] of floating support is fixedlyed connected formation floating support framework with the vertical columns [4] of floating support row, and the unsteady column [3] of floating support row is fixedlyed connected with the framework [2] of rear-projection curtain frame unit, the unsteady crossbeam [5] that floating support is capable is fixed in midpoint with corresponding fixed cross beam [6], the unsteady column [3] of floating support row and corresponding vertical columns [4] in the upper end or lower end fix.
8, according to claim 1 or 2 or 3 or 4 or 7 described unsteady assembled frames, it is characterized in that: described unsteady crossbeam [5], the column [3] that floats are consistent with the material expansion coefficient of projecting piece [1] with the framework [2] of rear-projection curtain frame unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01245055 CN2486992Y (en) | 2001-07-24 | 2001-07-24 | Float assembling frame capable of synchronous expand with heat and contract with cold with back project screen picture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01245055 CN2486992Y (en) | 2001-07-24 | 2001-07-24 | Float assembling frame capable of synchronous expand with heat and contract with cold with back project screen picture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2486992Y true CN2486992Y (en) | 2002-04-17 |
Family
ID=33656366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01245055 Expired - Fee Related CN2486992Y (en) | 2001-07-24 | 2001-07-24 | Float assembling frame capable of synchronous expand with heat and contract with cold with back project screen picture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2486992Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102243428A (en) * | 2011-07-08 | 2011-11-16 | 广东威创视讯科技股份有限公司 | Screen floating device |
| CN102279511A (en) * | 2011-07-08 | 2011-12-14 | 广东威创视讯科技股份有限公司 | Screen floating device |
| CN102591122A (en) * | 2012-03-16 | 2012-07-18 | 北京环宇蓝博科技有限公司 | Traversing splicing screen |
| CN105003796A (en) * | 2015-07-20 | 2015-10-28 | 长春希达电子技术有限公司 | Non-locking installation mode LED displayer |
| CN106507620A (en) * | 2016-10-08 | 2017-03-15 | 广东威创视讯科技股份有限公司 | The construction design method of back projection box body |
-
2001
- 2001-07-24 CN CN 01245055 patent/CN2486992Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102243428A (en) * | 2011-07-08 | 2011-11-16 | 广东威创视讯科技股份有限公司 | Screen floating device |
| CN102279511A (en) * | 2011-07-08 | 2011-12-14 | 广东威创视讯科技股份有限公司 | Screen floating device |
| CN102243428B (en) * | 2011-07-08 | 2014-02-19 | 广东威创视讯科技股份有限公司 | Screen floating device |
| CN102279511B (en) * | 2011-07-08 | 2014-02-19 | 广东威创视讯科技股份有限公司 | Screen floating device |
| CN102591122A (en) * | 2012-03-16 | 2012-07-18 | 北京环宇蓝博科技有限公司 | Traversing splicing screen |
| CN102591122B (en) * | 2012-03-16 | 2015-04-08 | 北京环宇蓝博科技有限公司 | Traversing splicing screen |
| CN105003796A (en) * | 2015-07-20 | 2015-10-28 | 长春希达电子技术有限公司 | Non-locking installation mode LED displayer |
| CN105003796B (en) * | 2015-07-20 | 2017-05-03 | 长春希达电子技术有限公司 | Non-locking installation mode LED displayer |
| CN106507620A (en) * | 2016-10-08 | 2017-03-15 | 广东威创视讯科技股份有限公司 | The construction design method of back projection box body |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2486992Y (en) | Float assembling frame capable of synchronous expand with heat and contract with cold with back project screen picture | |
| CN109322428B (en) | Window wall system unit type curtain wall and installation method thereof | |
| WO2019192093A1 (en) | Steel structure for large-sized curved led screen and layout method thereof | |
| CN113463822B (en) | Suspended ceiling system and installation method thereof | |
| CN202548518U (en) | Integral rear-projection hard screen frame structure higher than 1.5 meters and wider than 4 meters | |
| CN213477182U (en) | Gate type steel frame steel structure | |
| CN102817427A (en) | Component type curtain wall system provided with vertical keel at outdoor side | |
| CN210032474U (en) | A concatenation formula support, unit and concatenation formula ceramic tile screen for ceramic tile screen | |
| CN110805210B (en) | Polycarbonate hollow plate assembly convenient to connect and mount | |
| CN2562527Y (en) | Synchronous deformable structure with back project screen on unitary housing | |
| CN206844423U (en) | Glass curtain wall attachment structure positioner optimizes structure | |
| CN216075863U (en) | Embedded keel connecting piece and ceiling system | |
| CN1458359A (en) | M-Shaped light steel member for integrated building and integrated wall | |
| CN214195154U (en) | Universal energy-saving glass curtain wall with glass thickness adjustment and without auxiliary frame and visible and hidden frames | |
| CN2739262Y (en) | Pressing-plate type general node of zigzag corner for building curtain wall | |
| CN111287356B (en) | Glass curtain wall's sunken wall body system of decorating | |
| CN220151680U (en) | Outdoor billboard splicing assembly | |
| CN212200931U (en) | Architectural decoration curtain of adjustable thickness | |
| CN217581039U (en) | Vertical decoration wing of super large "nearly" type corrosion resistant plate supports steel frame system | |
| CN213774240U (en) | Ceramic tile fast-assembling structure | |
| CN217008550U (en) | High-toughness support and support unit for LED display screen | |
| CN219759106U (en) | Building block type rapid installation steel structure of LED display screen | |
| CN220365178U (en) | Folding curtain wall unit and curtain wall | |
| CN215679268U (en) | Synchronous mounting structure of many display cards | |
| CN215106903U (en) | Building decoration engineering is with anticreep hidden knot floor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |