CN2927115Y - Electric grounded liftable projection screen - Google Patents
Electric grounded liftable projection screen Download PDFInfo
- Publication number
- CN2927115Y CN2927115Y CN 200620059601 CN200620059601U CN2927115Y CN 2927115 Y CN2927115 Y CN 2927115Y CN 200620059601 CN200620059601 CN 200620059601 CN 200620059601 U CN200620059601 U CN 200620059601U CN 2927115 Y CN2927115 Y CN 2927115Y
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- China
- Prior art keywords
- power
- slide block
- support link
- projection screen
- support
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- Expired - Lifetime
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Abstract
The utility model relates to an electrically driven ground-based up-down moving projection screen, which belongs to the technical field of projection screen. The utility model comprises a folding support connecting bar, a support connecting bar spring, a support link bar base, a screen lifting bar, a screen, a rotating bar, a motor, a driving force support bar and a driving force generation component. An end of the driving force support bar is connected with the support connecting bar; the other end of the driving force support bar is connected with the driving sliding block. The driving sliding block and the driving force generation component are arranged in the sliding block groove in the base of the support connecting bar. A bending is arranged on one end of the driving support bar where the bar is connected with the driving sliding block. The utility model is has the advantages that the utility model is simply structured, convenient to use, more particularly suitable for ground-based up-down moving projection screen, and also suitable for portable projection screen.
Description
Technical field
The electronic seat ground lifting of the utility model projection screen belongs to the projection screen field, particularly relates to the projection screen of a kind of ground lifting.
Prior art
Existing projection screen is by the projection screen trombone slide, base is formed, during use, projection screen can be pulled out, after finishing using, projection screen is received on the projection screen trombone slide, and the lifting of projection screen is adopted manually, and the support link of projection screen adopts folding mode, support link is provided with the support bar spring, the curtain lifting arm is fixed on the support link, and curtain is wound on the tube, because the support link of folding mode exists position, a dead angle, after curtain is wound on the tube, can not easily and easily support link be opened, cause projection screen can not pull, influence is used.
Summary of the invention
The purpose of this utility model is to avoid the deficiencies in the prior art part, and a kind of handled easily is provided, and overcomes the position, dead angle of collapsible support link, the electronic seat ground lifting projection screen that the projection screen lifting is stable.
The purpose of this utility model realizes by following measure, it is by collapsible support link, the support bar spring, the support link base, the curtain lifting arm, curtain, tube, motor is formed, the support bar spring is arranged on the support link, and the curtain lifting arm is fixed on the end on the support link, and curtain is fixed on the curtain lifting arm, curtain is wound on the tube, be provided with motor in tube, the other end of support link fixes on the support link base, in the use by hinges fixing, the motor drives tube rotates, curtain is wound on the tube, and curtain pulling curtain lifting arm moves downward, and it is folding to make support link overcome the support bar spring, projection screen is received on the projection screen tube, when needs are pulled out projection screen, the motor drives tube rotates, and support link overcomes the support bar spring, support link is opened, the curtain lifting arm pulling curtain that moves upward.
The utility model is provided with power support bar and power driving part on the support link base, the support link base is provided with slide block slot, one end of power support bar is connected on the support link, one end of power support bar is connected on the power slide block, in the slide block slot of power slide block on the support link base, power driving part is installed in the slide block slot, power driving part is connected on the power slide block, an end that is connected with the power slide block on the power support bar has a bending, in the use, the motor drives tube rotates, curtain is wound on the tube, curtain pulling curtain lifting arm moves downward, it is folding to make support link overcome the support bar spring, with the power support bar under the promotion of support link, driving the power slide block moves in slide block slot, the power slide block overcomes the resistance of power driving part in the process that moves, projection screen is received on the projection screen tube, when needs are pulled out projection screen, the motor drives tube rotates, power driving part is under the effect of power, driving the power slide block moves in slide block slot, the power slide block drives the power support bar and moves, because the bending of an end on the power support bar has overcome the position, dead angle that support link exists, the power support bar promotes support link, support link overcomes the support bar spring, and support link is opened, the curtain lifting arm pulling curtain that moves upward.
Power driving part of the present utility model can be to adopt the power drive spring, be provided with the power drive spring in the slide block slot on the support link base, one end of power drive spring is fixed in the slide block slot, the other end of power drive spring is fixed on the power slide block, because the elastic force that the power drive length of spring compressed produces is discharging initially maximum of elastic force, guarantee to have a big initial elastic force, overcome the position, dead angle that support link exists.
Power driving part of the present utility model can be to adopt the air pressure driving spring, be provided with the air pressure driving spring in the slide block slot on the support link base, one end of air pressure driving spring is fixed in the slide block slot, and the other end of air pressure driving spring is fixed on the power slide block.
Power driving part of the present utility model can be to adopt the hydraulic-driven spring, be provided with the hydraulic-driven spring in the slide block slot on the support link base, one end of hydraulic-driven spring is fixed in the slide block slot, and the other end of hydraulic-driven spring is fixed on the power slide block.
In order to obtain bigger initial driving elastic force, can adopt two air pressure driving springs, the power slide block is in the initial procedure that moves, the acting in conjunction of two air pressure driving springs, produce bigger initial driving elastic force, after having overcome the position, dead angle of support link existence, an air pressure driving spring job, another air pressure driving spring quits work.
Power driving part of the present utility model can be that screw rod leading screw and motor are formed, be provided with the screw rod leading screw in the slide block slot on the support link base, the screw rod leading screw passes the power slide block, motor is connected on the screw rod leading screw, motor-driven screw rod leading screw rotates, and drives the power slide block and moves in slide block slot.
The utility model is simple in structure, and is easy to use, is particularly suitable for the projection screen of seat ground lifting, also can be suitable for portable projection screen.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model.
Accompanying drawing 2 is structural representations of the present utility model.
Accompanying drawing 3 is embodiment power driving part synoptic diagram of the present utility model.
Accompanying drawing 4 is embodiment power driving part synoptic diagram of the present utility model.
Accompanying drawing 5 is embodiment power driving part synoptic diagram of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As accompanying drawing 1, accompanying drawing 2, shown in the accompanying drawing 3, the utility model is by curtain lifting arm 1, collapsible support link 2, curtain 3, power support bar 4, casing cover 5, motor 6, support link base 7, shell 8, power drive spring 9, power slide block 10, slide block slot 11, tube 12, support bar spring 13 is formed, the tube setting in the enclosure, casing cover is arranged on the shell two ends, the support bar spring is arranged on the support link, and the curtain lifting arm is fixed on the end on the support link, and curtain is fixed on the curtain lifting arm, curtain is wound on the tube, be provided with motor in tube, the other end of support link fixes on the support link base by hinges fixing, and the support link base is provided with slide block slot, one end of power support bar is connected on the support link, one end of power support bar is connected on the power slide block, in the slide block slot of power slide block on the support link base, is provided with the power drive spring in the slide block slot on the support link base, one end of power drive spring is fixed in the slide block slot, the other end of power drive spring is fixed on the power slide block, and an end that is connected with the power slide block on the power support bar has a bending, because the elastic force that the power drive length of spring compressed produces is discharging initially maximum of elastic force, guarantee to have a big initial elastic force, overcome the position, dead angle that support link exists.The motor drives tube rotates, curtain pulling curtain lifting arm moves downward, it is folding to make support link overcome the support bar spring, the power support bar is under the promotion of support link, driving the power slide block moves in slide block slot, the power slide block overcomes the resistance of power drive spring in the process that moves, projection screen is received on the projection screen tube, when projection screen was pulled out, the motor drives tube rotated, under the effect of power drive spring, the power slide block moves in slide block slot, drive the power support bar and move, the bending of an end on the power support bar has overcome the position, dead angle that support link exists, the power support bar promotes support link, support link overcomes the support bar spring, and support link is opened, the curtain lifting arm pulling curtain that moves upward.
As shown in Figure 4, power driving part of the present utility model can be that screw rod leading screw 15 and motor 14 are formed, be provided with the screw rod leading screw in the slide block slot on the support link base, the screw rod leading screw passes power slide block 10, motor is connected on the screw rod leading screw, motor-driven screw rod leading screw rotates, and drives the power slide block and moves in slide block slot.Curtain pulling curtain lifting arm 1 moves downward, it is folding to make support link 2 overcome the support bar spring, and power support bar 4 drives the power slide block and moves in slide block slot under the promotion of support link, casing cover 5 is arranged on shell 8 two ends, and projection screen is received on the projection screen tube.
As shown in Figure 5, power driving part of the present utility model is to adopt air pressure driving spring 16, be provided with the air pressure driving spring in the slide block slot on the support link base, an end of air pressure driving spring is fixed in the slide block slot, and the other end of air pressure driving spring is fixed on the power slide block 10.Driving the power slide block moves in slide block slot.Curtain pulling curtain lifting arm 1 moves downward, it is folding to make support link 2 overcome the support bar spring, and power support bar 4 drives the power slide block and moves in slide block slot under the promotion of support link, casing cover 5 is arranged on shell 8 two ends, and projection screen is received on the projection screen tube.
Claims (6)
1, a kind of electronic seat ground lifting projection screen is characterized in that by collapsible support link the support bar spring, the support link base, curtain lifting arm, curtain, tube, motor is formed, and the support bar spring is arranged on the support link, and the curtain lifting arm is fixed on the end on the support link, curtain is fixed on the curtain lifting arm, curtain is wound on the tube, is provided with motor in tube, and the other end of support link fixes on the support link base by hinges fixing.
2, electronic seat ground lifting projection screen according to claim 1, it is characterized in that on the support link base, being provided with power support bar and power driving part, the support link base is provided with slide block slot, one end of power support bar is connected on the support link, one end of power support bar is connected on the power slide block, in the slide block slot of power slide block on the support link base, power driving part is installed in the slide block slot, power driving part is connected on the power slide block, and an end that is connected with the power slide block on the power support bar has a bending.
3, electronic seat ground lifting projection screen according to claim 2, it is characterized in that power driving part adopts the power drive spring, be provided with the power drive spring in the slide block slot on the support link base, one end of power drive spring is fixed in the slide block slot, and the other end of power drive spring is fixed on the power slide block.
4, electronic seat ground lifting projection screen according to claim 2, it is characterized in that power driving part adopts the air pressure driving spring, be provided with the air pressure driving spring in the slide block slot on the support link base, one end of air pressure driving spring is fixed in the slide block slot, and the other end of air pressure driving spring is fixed on the power slide block.
5, electronic seat ground lifting projection screen according to claim 2 is characterized in that power driving part adopts two air pressure driving springs.
6, electronic seat ground lifting projection screen according to claim 2, it is characterized in that power driving part is that screw rod leading screw and motor are formed, be provided with the screw rod leading screw in the slide block slot on the support link base, the screw rod leading screw passes the power slide block, and motor is connected on the screw rod leading screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620059601 CN2927115Y (en) | 2006-05-24 | 2006-05-24 | Electric grounded liftable projection screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620059601 CN2927115Y (en) | 2006-05-24 | 2006-05-24 | Electric grounded liftable projection screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2927115Y true CN2927115Y (en) | 2007-07-25 |
Family
ID=38281368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620059601 Expired - Lifetime CN2927115Y (en) | 2006-05-24 | 2006-05-24 | Electric grounded liftable projection screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2927115Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106693403A (en) * | 2016-12-07 | 2017-05-24 | 华强方特（芜湖）文化科技有限公司 | Screen window device for performances |
| CN107993464A (en) * | 2017-11-28 | 2018-05-04 | 深圳市贝优通新能源技术开发有限公司 | A kind of anti-glare Multifunctional traffic signal lamp with generating function |
| CN108646513A (en) * | 2018-07-23 | 2018-10-12 | 柴明 | Portable education and teaching device |
| CN110568710A (en) * | 2019-10-08 | 2019-12-13 | 江苏舜合物联网科技有限公司 | Curtain lifting mechanism for curled hidden laser television all-in-one machine |
| CN111112680A (en) * | 2019-12-25 | 2020-05-08 | 诸暨市祥顺箱包制造有限公司 | Drilling equipment is used in case and bag processing |
| CN112925153A (en) * | 2019-12-05 | 2021-06-08 | 青岛海信激光显示股份有限公司 | Laser projection device |
-
2006
- 2006-05-24 CN CN 200620059601 patent/CN2927115Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106693403A (en) * | 2016-12-07 | 2017-05-24 | 华强方特（芜湖）文化科技有限公司 | Screen window device for performances |
| CN106693403B (en) * | 2016-12-07 | 2022-07-26 | 华强方特（芜湖）文化科技有限公司 | Screen window device for performance |
| CN107993464A (en) * | 2017-11-28 | 2018-05-04 | 深圳市贝优通新能源技术开发有限公司 | A kind of anti-glare Multifunctional traffic signal lamp with generating function |
| CN108646513A (en) * | 2018-07-23 | 2018-10-12 | 柴明 | Portable education and teaching device |
| CN110568710A (en) * | 2019-10-08 | 2019-12-13 | 江苏舜合物联网科技有限公司 | Curtain lifting mechanism for curled hidden laser television all-in-one machine |
| CN112925153A (en) * | 2019-12-05 | 2021-06-08 | 青岛海信激光显示股份有限公司 | Laser projection device |
| CN111112680A (en) * | 2019-12-25 | 2020-05-08 | 诸暨市祥顺箱包制造有限公司 | Drilling equipment is used in case and bag processing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070725 |
|
| EXPY | Termination of patent right or utility model |