CN102722078A - Rear projection screen position adjusting device - Google Patents
Rear projection screen position adjusting device Download PDFInfo
- Publication number
- CN102722078A CN102722078A CN2012102293347A CN201210229334A CN102722078A CN 102722078 A CN102722078 A CN 102722078A CN 2012102293347 A CN2012102293347 A CN 2012102293347A CN 201210229334 A CN201210229334 A CN 201210229334A CN 102722078 A CN102722078 A CN 102722078A
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- Prior art keywords
- rear projection
- pad
- projection screen
- screw
- adjustment screw
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Abstract
The invention relates to a position adjusting device, in particular to a rear projection screen position adjusting device which comprises sliding mechanisms, an adjusting screw and support boards fixed on the left inner side and the right inner side of a rear projection box, wherein the sliding mechanisms are in vertical sliding connection with the support boards, screw holes and installation mechanisms for installing rear projection screens are arranged on the sliding mechanisms, one end of the adjusting screw close to a screw head is fixedly connected with the support boards through limiting mechanisms, and the other end of the adjusting screw is in screw-closure connection with the sliding mechanisms through the screw holes on the sliding mechanisms. The rear projection screens are hung on the sliding mechanisms on the left side and the right side of the rear projection box, the sliding mechanisms moves downwards or upwards according to requirements by rotating the adjusting screws, so that the rear projection screens move upwards or downwards along with the sliding mechanism, and accordingly position adjusting of the rear projection screen is achieved.
Description
Technical field
The present invention relates to a kind of position regulator, be specifically related to a kind of rear projection screen position regulator.
Background technology
Rear-projection case display splicing wall is to be spliced by a plurality of display units; In order to guarantee that image evenly shows on the combination screen; Need the piece between each display unit 8 of assurance evenly to distribute and the size unanimity, as shown in Figure 1, need to guarantee that the piece between each display unit 8 is L1 or L2.And because rear-projection case display splicing wall need shift out the rear-projection casing with display unit screen when safeguarding; And make screen move apart its front position; Thereby make personnel can carry out the front maintenance operation; Spacing is consistent and even all around with casing in order to guarantee to safeguard the back mask that resets by screen, often need carry out the adjustment of above-below direction to screen, generally is through screen being fixed after the range estimation in the prior art again; Screen is in a single day fixing just to be difficult to adjust, and this adjusts screen with regard to the corresponding adjusting mechanism of needs.
Summary of the invention
The technical matters that the present invention solves is the deficiency that overcomes prior art, and a kind of rear projection screen apparatus for adjusting position of regulating the screen upper-lower position is provided.
For solving the problems of the technologies described above, technical scheme of the present invention is following:
A kind of rear projection screen position regulator; Comprise slide mechanism, adjust screw and be fixed on about the rear-projection case two inboard back up pads; Slide mechanism slides up and down with back up pad and is connected; Slide mechanism is provided with screw and the installing mechanism that is used to install rear projection screen, and the adjustment screw is connected fixing with back up pad through position-limit mechanism near ailhead one end, and its other end screws with slide mechanism through the screw on the slide mechanism and is connected.
As a kind of preferred version, slide mechanism and back up pad are provided with mutual alignment and are used for the directed pilot hole that slides of slide mechanism, the guiding slide mechanism is installed on the pilot hole realizes the directed up and down stepped screw that slides.
As a kind of preferred version, said back up pad is provided with the support member of evagination, and support member is provided with supported hole, and the adjustment screw passes supported hole and is fixed on the back up pad through position-limit mechanism.
As further preferred version, the adjustment screw is provided with pin-and-hole, and said position-limit mechanism passes pin-and-hole and will adjust screw retention on back up pad for pin, pin, and wherein back up pad is between adjustment screw ailhead and pin.
As further preferred version again, said adjustment screw is provided with the cylinder step near an end of ailhead, and pin-and-hole is arranged on the cylinder step.
As further preferred version again, be provided with pad between adjustment screw ailhead and the support member, support member with pin between be provided with pad.
As further preferred version; Said position-limit mechanism is the locating part that is fixed on the back up pad; Locating part is provided with spacing hole, and adjustment screw ailhead is provided with the shaft shoulder, and adjustment screw ailhead end is passed spacing hole and will be adjusted screw retention on back up pad through shaft shoulder location.
As further preferred version again, also be provided with the cylinder step on the end of said adjustment screw near ailhead, its with support member on supported hole formation axle sleeve cooperate.
As another kind of preferred version, said slide mechanism is a sliding panel.
As another kind of preferred version, said installing mechanism is hook.
Compared with prior art, the beneficial effect of technical scheme of the present invention is:
The present invention is hung on rear projection screen on the slide mechanism of the rear-projection casing left and right sides; Through rotating the adjustment screw; Slide mechanism moves up or down on demand, makes rear projection screen realize moving up or down with slide mechanism, thereby realizes the position adjustment of rear projection screen.
Description of drawings
Fig. 1 is for carrying out the synoptic diagram of position adjustment to rear projection screen;
Fig. 2 is the structural representation of first embodiment among the present invention;
Fig. 3 is the structural representation of back up pad among the present invention;
Fig. 4 is the structural representation of slide mechanism among the present invention;
Fig. 5 is the left view of Fig. 3;
Fig. 6 is the local enlarged diagram of A part among Fig. 5;
Fig. 7 is the structural representation of locating part;
Fig. 8 is the adjustment bolt structure synoptic diagram of first embodiment among the present invention;
Fig. 9 is the structural representation of second embodiment among the present invention;
Figure 10 is the local enlarged diagram of B part among Fig. 9;
Figure 11 is the adjustment bolt structure synoptic diagram of second embodiment among the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment technical scheme of the present invention is done further explanation.
Shown in Fig. 2 to 4, be the structural representation of a kind of rear projection screen position regulator among the present invention.It comprises back up pad 1, slide mechanism 2, adjustment screw and position-limit mechanism; Back up pad 1 is mounted on two inboards about the rear-projection casing; It is provided with pilot hole 12, also is provided with the pilot hole 22 that matches with the pilot hole 12 of back up pad 1 on the slide mechanism 2, and the pilot hole 12 of back up pad 1 aligns with the pilot hole 22 of slide mechanism 2; Stepped screw 12 is installed on the pilot hole, is used to guide slide mechanism 2 and realizes directed up and down the slip along pilot hole.Slide mechanism 2 is a sliding panel, and it is provided with screw 21 and installing mechanism 23, and installing mechanism 23 is used to install rear projection screen 6, and it can be hook; The adjustment screw is connected fixing with back up pad 1 through position-limit mechanism near ailhead one end, its other end screws with slide mechanism 2 through the screw on the slide mechanism 2 21 and is connected.When rotating rotation adjustment screw; Because the adjustment screw carries out spacing near ailhead one end through position-limit mechanism; Adjustment screw axial motion locking; The rectilinear motion that it is converted into slide mechanism 2 makes slide mechanism 2 realize moving up and down, thereby realizes adjusting up and down and fixing being hung on rear projection screen 6 on the slide mechanism 2.
In one embodiment, shown in Fig. 2 to 8, back up pad 1 is provided with support member 11; Support member 11 is provided with supported hole 111; Position-limit mechanism is a locating part 7, and on back up pad 1, locating part 7 is provided with spacing hole 71 to locating part 7 through screw retention; Adjustment screw 9 ailheads are provided with the shaft shoulder 91; Adjustment screw 9 ailhead ends are passed spacing hole 71 and will adjusts screw 9 through the shaft shoulder 91 location and are fixed on the back up pad 1, also are provided with cylinder step 92 on the end of adjustment screw 9 near ailhead, its with support member 11 on supported hole 111 formation axle sleeves cooperate.Adjustment screw 9 passes supported hole 111 during installation, and spacing hole 71 is passed in adjustment screw 9 ailhead ends, and the ailhead of adjustment screw 9 is also spacing fixing with back up pad 1 through locating part 7 between locating part 7 and support member 11; Likewise; At this moment, the interaction of the position of adjustment screw 9 through back up pad 1 and locating part 7 is locked spacing, when adjustment screw 9 rotates; Himself can't do axially-movable, can only be with its conversion of motion for screwing moving up and down of the slide mechanism 2 that is connected with it.
In another embodiment, like Fig. 3,4,9, shown in 10 and 11, back up pad 1 is provided with support member 11; Support member 11 is provided with supported hole 111, and position-limit mechanism is pin 5, and adjustment screw 3 is a cylinder step 32 near ailhead one end; Cylinder step 32 is provided with pin-and-hole 31; Adjustment screw 3 passes supported hole 111 during installation, and pin 5 passes pin-and-hole 31 and will adjust screw 3 and be fixed on the back up pad 1, and wherein support member 11 is being adjusted screw 3 ailheads and pinned between 5; Be provided with pad 4 between adjustment screw 3 ailheads and the support member 11; Be provided with pad 4 between support member 11 and the pin 5, it is the support member 11 that can not wear and tear when adjusting screw 3 in order to ensure rotation that pad 4 is set, and reduces friction force each other simultaneously.At this moment, the position of adjustment screw 3 is locked through support member 11 interaction with pin 5, and when adjustment screw 3 rotated, himself can't do axially-movable, can only be with its conversion of motion for screwing moving up and down of the slide mechanism 2 that is connected with it.
Claims (10)
1. rear projection screen position regulator; It is characterized in that; Comprise slide mechanism, adjust screw and be fixed on about the rear-projection case two inboard back up pads, slide mechanism slides up and down with back up pad and is connected, and slide mechanism is provided with screw and is used to install the installing mechanism of rear projection screen; The adjustment screw is connected fixing with back up pad through position-limit mechanism near ailhead one end, its other end screws with slide mechanism through the screw on the slide mechanism and is connected.
2. rear projection screen position regulator according to claim 1; It is characterized in that; Slide mechanism and back up pad are provided with mutual alignment and are used for the directed pilot hole that slides of slide mechanism, the guiding slide mechanism is installed on the pilot hole realizes the directed up and down stepped screw that slides.
3. rear projection screen position regulator according to claim 1 is characterized in that said back up pad is provided with the support member of evagination, and support member is provided with supported hole, and the adjustment screw passes supported hole and is fixed on the back up pad through position-limit mechanism.
4. rear projection screen position regulator according to claim 3; It is characterized in that the adjustment screw is provided with pin-and-hole, said position-limit mechanism is pin; Pin passes pin-and-hole and will adjust screw retention on back up pad, and wherein support member is between adjustment screw ailhead and pin.
5. rear projection screen position regulator according to claim 4 is characterized in that, said adjustment screw is provided with the cylinder step near an end of ailhead, and pin-and-hole is arranged on the cylinder step.
6. rear projection screen position regulator according to claim 4 is characterized in that, is provided with pad between adjustment screw ailhead and the support member, is provided with pad between support member and the pin.
7. rear projection screen position regulator according to claim 3; It is characterized in that; Said position-limit mechanism is the locating part that is fixed on the back up pad; Locating part is provided with spacing hole, and adjustment screw ailhead is provided with the shaft shoulder, and adjustment screw ailhead end is passed spacing hole and will be adjusted screw retention on back up pad through shaft shoulder location.
8. rear projection screen position regulator according to claim 7 is characterized in that, also is provided with the cylinder step on the end of said adjustment screw near ailhead, its with support member on supported hole form axle sleeve and cooperate.
9. according to each described rear projection screen position regulator of claim 1 to 8, it is characterized in that said slide mechanism is a sliding panel.
10. according to each described rear projection screen position regulator of claim 1 to 8, it is characterized in that said installing mechanism is hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210229334.7A CN102722078B (en) | 2012-07-04 | 2012-07-04 | Rear projection screen position adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210229334.7A CN102722078B (en) | 2012-07-04 | 2012-07-04 | Rear projection screen position adjusting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102722078A true CN102722078A (en) | 2012-10-10 |
| CN102722078B CN102722078B (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210229334.7A Expired - Fee Related CN102722078B (en) | 2012-07-04 | 2012-07-04 | Rear projection screen position adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102722078B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979999A (en) * | 2012-11-21 | 2013-03-20 | 广东威创视讯科技股份有限公司 | Screen position fine adjusting mechanism |
| CN103032658A (en) * | 2012-12-24 | 2013-04-10 | 广东威创视讯科技股份有限公司 | Locking mechanism for rear projection screen frame |
| WO2015000335A1 (en) * | 2013-07-01 | 2015-01-08 | 广东威创视讯科技股份有限公司 | Two-dimensional displacement adjustable overturning mechanism |
| CN104318864A (en) * | 2014-11-07 | 2015-01-28 | 京东方科技集团股份有限公司 | Tiled display device |
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| US20050109892A1 (en) * | 2003-11-25 | 2005-05-26 | Wieslaw Bober | Compound lift device |
| CN2904211Y (en) * | 2005-12-20 | 2007-05-23 | 李荣春 | Lifter for display |
| CN101644376A (en) * | 2009-08-24 | 2010-02-10 | 谭迎建 | Visual angle regulator for flat televisions and displays |
| CN201583779U (en) * | 2009-11-30 | 2010-09-15 | 广东威创视讯科技股份有限公司 | Projection screen with height-adjustable hanging |
| CN201593672U (en) * | 2009-12-22 | 2010-09-29 | 李德荣 | Automatic lifting rotary machine of liquid crystal screen used on table |
| CN201916658U (en) * | 2010-08-02 | 2011-08-03 | 李德荣 | Automatic liquid crystal display rack for table |
| CN102162990A (en) * | 2011-04-12 | 2011-08-24 | 广东威创视讯科技股份有限公司 | Projection type image display device and splicing system thereof |
| CN201955604U (en) * | 2010-11-12 | 2011-08-31 | 上海幻影显示技术有限公司 | DLP (digital light processing) large-screen projection box |
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2012
- 2012-07-04 CN CN201210229334.7A patent/CN102722078B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050109892A1 (en) * | 2003-11-25 | 2005-05-26 | Wieslaw Bober | Compound lift device |
| CN2904211Y (en) * | 2005-12-20 | 2007-05-23 | 李荣春 | Lifter for display |
| CN101644376A (en) * | 2009-08-24 | 2010-02-10 | 谭迎建 | Visual angle regulator for flat televisions and displays |
| CN201583779U (en) * | 2009-11-30 | 2010-09-15 | 广东威创视讯科技股份有限公司 | Projection screen with height-adjustable hanging |
| CN201593672U (en) * | 2009-12-22 | 2010-09-29 | 李德荣 | Automatic lifting rotary machine of liquid crystal screen used on table |
| CN201916658U (en) * | 2010-08-02 | 2011-08-03 | 李德荣 | Automatic liquid crystal display rack for table |
| CN201955604U (en) * | 2010-11-12 | 2011-08-31 | 上海幻影显示技术有限公司 | DLP (digital light processing) large-screen projection box |
| CN102162990A (en) * | 2011-04-12 | 2011-08-24 | 广东威创视讯科技股份有限公司 | Projection type image display device and splicing system thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979999A (en) * | 2012-11-21 | 2013-03-20 | 广东威创视讯科技股份有限公司 | Screen position fine adjusting mechanism |
| CN103032658A (en) * | 2012-12-24 | 2013-04-10 | 广东威创视讯科技股份有限公司 | Locking mechanism for rear projection screen frame |
| WO2015000335A1 (en) * | 2013-07-01 | 2015-01-08 | 广东威创视讯科技股份有限公司 | Two-dimensional displacement adjustable overturning mechanism |
| CN104318864A (en) * | 2014-11-07 | 2015-01-28 | 京东方科技集团股份有限公司 | Tiled display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102722078B (en) | 2014-12-24 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Kezhu road high tech Industrial Development Zone, Guangzhou city of Guangdong Province, No. 233 510670 Patentee after: Wei Chong group Limited by Share Ltd Address before: 510663 No. 6, color road, hi tech Industrial Development Zone, Guangdong, Guangzhou, China Patentee before: Guangdong Weichuangshixun Science and Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20210704 |