CN205374969U - Projecting apparatus with adjustable be used for teaching - Google Patents
Projecting apparatus with adjustable be used for teaching Download PDFInfo
- Publication number
- CN205374969U CN205374969U CN201521044705.XU CN201521044705U CN205374969U CN 205374969 U CN205374969 U CN 205374969U CN 201521044705 U CN201521044705 U CN 201521044705U CN 205374969 U CN205374969 U CN 205374969U
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- CN
- China
- Prior art keywords
- wedge
- projector
- push rod
- slide block
- upper cover
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Abstract
The utility model relates to a projecting apparatus with adjustable be used for teaching, set up on the wall body, including mount pad and projecting apparatus, the upper cover plate and the wall connection of mount pad, the mount pad passes through telescopic link and projector connection, is equipped with the through -hole in the upper cover plate, sliding connection has vertical wedge in the through -hole, include still that lateral sliding connects the push rod at the wall body, the free end of push rod supports with the wedge facial features of wedge, the lower extreme of wedge is connected with the clamp plate, and through spring coupling between upper cover plate and the clamp plate, the bottom of mount pad is equipped with horizontal first spout, and sliding connection has the slider in the first spout, and the up end and the clamp plate of slider offset, being provided with the rack in that the side of slider is fixed, on the mount pad normal running fit have with rack toothing's gear, the bottom and the telescopic link welding of slider, this scheme is compared with prior art, and the removal that promotes the slider through rack and pinion realizes that the projecting apparatus moves about can, guarantee the projecting apparatus can with the complete projection of content on the curtain, improve projected quality.
Description
Technical field
This utility model relates to porjector technology field, discloses a kind of adjustable projector for imparting knowledge to students.
Background technology
Projector, also known as scialyscope, be a kind of can by the equipment on image or VIDEO PROJECTION to curtain, it is possible to be connected the corresponding video signal of broadcasting by the different same computers of interface, VCD, DVD, BD, game machine, DV etc..Projector is widely used in family, office, school and public place of entertainment, different according to working method, has CRT, LCD, DLP etc. dissimilar.
Because the form adopting projector slide show lectures knowledge point, teacher can be reduced by knowledge point writing on the blackboard time on blackboard, and a large amount of dust brought due to chalk dust can be avoided to be sucked by student, projector is connected with computer and can inquire about any problem being ignorant of at any time, very convenient fast.
So projector is widely used in school, according to statistics, total kindergarten 12.91 ten thousand institute in the whole nation in 2010, institute of primary school 39.42 ten thousand, general high school 7.90 ten thousand institute, institute of common medium universities and colleges 3047, institute of higher education school 1778, is equipped with a projector by each classroom and calculates, and shows that China's only education sector market capacity just reaches more than 11,000,000 according to related data.
But great majority are all high fixing on the ceiling for the projector imparted knowledge to students, sometimes due to there is significant problem in the inclination Hui Shi projection quality of the error installed or this projection screen, such as project incomplete, projection entirely not may result in content and deviation occurs, affect learning quality, in order to solve this problem, market occurs in that liftable projector.
Prior art exists a kind of liftable projection mantle group, including a kind of liftable projection mantle group, including scialyscope, also include supporting seat, the bottom of supporting seat is provided with Telescopic rod device, and Telescopic rod device is provided with remote signal receiver, and the bottom of Telescopic rod device is provided with expansion link, Telescopic rod device can drive expansion link to stretch, and the bottom of expansion link is provided with scialyscope.
During use, this liftable projection mantle group coupling has remote controller, and the remote signal receiver on Telescopic rod device can receive the signal that remote controller sends, according to remote signal requirement, Telescopic rod device can drive expansion link to stretch, and adjusts the height of projection, easy to use.
Said mechanism is to control the flexible of expansion link by remote controller and then control moving up and down of scialyscope, but but cannot be carried out moving left and right, adjustment comprehensive not.
Utility model content
This utility model is intended to provide one to regulate up and down, improves the adjustable projector for imparting knowledge to students of projection quality.
A kind of adjustable projector for imparting knowledge to students in this programme, is arranged on body of wall, including mounting seat and projector, the upper cover plate of mounting seat and wall connecting, mounting seat is connected with projector by expansion link, is provided with through hole, slidably connects vertical wedge in through hole in upper cover plate；Also including sliding laterally the push rod being connected to body of wall, the free end of push rod and the lozenges of wedge offset；The lower end of wedge is connected to pressing plate, it is connected by spring between upper cover plate with pressing plate, the bottom of mounting seat is provided with the first horizontal chute, first chute slidably connects slide block, the upper surface of slide block and pressing plate offset, being fixedly installed tooth bar in the side of slide block, mounting seat has been rotatably assorted and tooth bar meshed gears, the bottom of slide block is welded with expansion link.
The know-why of this programme and have the beneficial effect that first pass through remote controller coordinates the lifting controlling projector with remote signal receiver, push rod is just adopted to promote wedge to move up after adjusting height, owing to wedge is fixedly connected with the pressing plate by the through hole of upper cover plate, so band dynamic pressure plate also moves up while wedge moves up, making pressing plate no longer depress slide block, now slide block can in the first chute slidably.
Then gear starts to rotate, and engage with tooth bar while rotating, promotion tooth bar moves left and right, owing to tooth bar welds with the side of slide block, so can horizontally slipping by band movable slider while tooth bar moves left and right, the bottom of slide block is connected to expansion link, and the other end of expansion link is fixedly connected with projector, so horizontally slipping of slide block can drive moving left and right of projector, realize the left and right adjusting of projector in this way.
When being adjusted to projector and can be projected on curtain completely, gear just stops operating, keep slide block static, meanwhile push rod recovers to original position, makes wedge slide downward, finally makes pressing plate and slide block offset, owing to spring is constantly in compressive state, so pressing plate is applied pressure, it is possible to better fix slide block, it is ensured that content can be projected on curtain by projector completely.
Compared with prior art, adjustable projector is regulating the adjustment that can realize left and right when projector position, it is ensured that adjustment comprehensive.
Further, the right and left of mounting seat is equipped with the second vertical chute, and the second chute coordinates with pressing plate, makes pressing plate slide up and down in the second chute, it is possible to convenient, it is easy to mobile.
Further, one end that push rod contacts with lozenges is circular arc, reduces produced frictional force during push rod promotion wedge, can better promote and move on wedge.
Further, push rod is connected to cylinder, so driving push rod work by the motion of cylinder, it is achieved automatization.
Further, gear is connected to motor, can be achieved with moving left and right of projector after starting motor, convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model adjustable projector embodiment for imparting knowledge to students.
Detailed description of the invention
Below by detailed description of the invention, this utility model is described in further detail:
Accompanying drawing labelling in Figure of description includes: projector 1, expansion link 2, mounting seat 3, slide block 4, tooth bar 5, gear 6, pressing plate 7, spring 8, upper cover plate 9, wedge 10, push rod the 11, first chute the 12, second chute 13.
Embodiment is basic with reference to shown in Fig. 1:
A kind of adjustable projector for imparting knowledge to students in this programme, it is arranged on body of wall, body of wall is provided with ceiling, including mounting seat 3, the upper cover plate 9 of mounting seat 3 and wall connecting, mounting seat 3 is connected with projector 1 by expansion link 2, is provided with through hole, slidably connects vertical wedge 10 in through hole in upper cover plate 9；Also include sliding laterally the push rod 11 being connected to body of wall, push rod 11 is connected to cylinder, the lozenges of the free end of push rod 11 and wedge 10 offsets, one end that push rod 11 and lozenges offset is circular arc, reduce produced frictional force when push rod 11 promotes wedge 10, can better promote and wedge 10 moves；The lower end of wedge 10 is connected to pressing plate 7, it is connected by spring 8 between upper cover plate 9 with pressing plate 7, the bottom of mounting seat 3 is provided with the first horizontal chute 12, first chute 12 slidably connects slide block 4, the upper surface of slide block 4 and pressing plate 7 offset, and are fixedly installed tooth bar 5 in the side of slide block 4, mounting seat 3 have been rotatably assorted and tooth bar 5 meshed gears 6, gear 6 is connected to motor, can be achieved with the bottom moving left and right slide block 4 of projector 1 and weld with expansion link 2 after starting motor
The right and left of mounting seat 3 is equipped with the second vertical chute 13, and the second chute 13 coordinates with pressing plate 7, makes pressing plate 7 slide up and down in the second chute 13, it is possible to convenient, it is easy to mobile.
Operation principle: after projector 1 is arranged on the ceiling of classroom, owing to the time of use is elongated and the inclination of projection screen, the projected picture that usually can cause projector 1 cannot be projected on curtain completely, now just first pass through remote controller and coordinate the lifting controlling projector with remote signal receiver, cylinder is just started after adjusting height, cylinder is made to drive push rod 11 to be moved to the left, and finally promote wedge 10 to move up, owing to wedge 10 adopts screw to be fixedly connected to form one by the through hole of upper cover plate 9 and pressing plate 7, so band dynamic pressure plate 7 also moves up in the second chute 13 while wedge 10 moves up, make pressing plate 7 no longer against slide block 4, now slide block 4 can in the first chute 12 slidably.
Pressing plate 7 starts driven gear 6 with regard to startup motor after leaving slide block 4 and rotates, if now projector 1 be due to the left and when causing that projected picture is not complete, motor driven gear 6 is just made to rotate counterclockwise, and engage with tooth bar 5 while rotating, tooth bar 5 is promoted to move right, owing to the side of tooth bar 5 with slide block 4 is welded, so can sliding to the right by band movable slider 4 while tooth bar 5 moves right, the bottom of slide block 4 is connected to expansion link 2, the other end of expansion link 2 is fixedly connected with projector 1, so the slip to the right of slide block 4 can drive moving right of projector 1, realize projector 1 in this way to regulate to the right.
When being adjusted to projector 1 and can be projected on curtain completely, gear 6 just stops operating, keep slide block 4 static, meanwhile cylinder drives push rod 11 to recover to original position, makes wedge 10 slide downward, finally makes pressing plate 7 and slide block 4 offset, owing to spring 8 is constantly in compressive state, so pressing plate 7 is applied pressure, it is possible to better fixing slide block 4, it is ensured that content can be projected on curtain by projector 1 completely.
Above-described is only embodiment of the present utility model, and in scheme, the general knowledge such as known concrete structure and characteristic does not do too much description at this.Should be understood that; for a person skilled in the art, under the premise without departing from this utility model structure, it is also possible to make some deformation and improvement; these also should be considered as protection domain of the present utility model, and these are all without affecting effect and the practical applicability that this utility model is implemented.The protection domain that this application claims should be as the criterion with the content of its claim, and the detailed description of the invention in description etc. records the content that may be used for explaining claim.
Claims (5)
1. the adjustable projector for imparting knowledge to students, is arranged on body of wall, including mounting seat, the upper cover plate of mounting seat and wall connecting, mounting seat is connected with projector by expansion link, it is characterised in that, upper cover plate is provided with through hole, through hole slidably connects vertical wedge；Also including sliding laterally the push rod being connected on body of wall, the free end of push rod and the lozenges of wedge offset；The lower end of wedge is connected to pressing plate, it is connected by spring between upper cover plate with pressing plate, the bottom of mounting seat is provided with the first horizontal chute, first chute slidably connects slide block, the upper surface of slide block and pressing plate offset, being fixedly installed tooth bar in the side of slide block, mounting seat has been rotatably assorted and tooth bar meshed gears, the bottom of slide block is welded with expansion link.
2. the adjustable projector for imparting knowledge to students according to claim 1, it is characterised in that: the right and left of described mounting seat is equipped with the second vertical chute.
3. the adjustable projector for imparting knowledge to students according to claim 2, it is characterised in that: one end that described push rod contacts with lozenges is circular arc.
4. the adjustable projector for imparting knowledge to students according to claim 3, it is characterised in that: described push rod is connected to cylinder.
5. the adjustable projector for imparting knowledge to students according to claim 4, it is characterised in that: described gear is connected to motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521044705.XU CN205374969U (en) | 2015-12-15 | 2015-12-15 | Projecting apparatus with adjustable be used for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521044705.XU CN205374969U (en) | 2015-12-15 | 2015-12-15 | Projecting apparatus with adjustable be used for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205374969U true CN205374969U (en) | 2016-07-06 |
Family
ID=56280609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521044705.XU Expired - Fee Related CN205374969U (en) | 2015-12-15 | 2015-12-15 | Projecting apparatus with adjustable be used for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205374969U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109215404A (en) * | 2018-10-24 | 2019-01-15 | 安徽神韵光电科技有限公司 | Remote-controlled multimedia tutoring system |
| CN109615944A (en) * | 2019-01-29 | 2019-04-12 | 周口师范学院 | A kind of psychological health education teaching aid special |
| CN111243467A (en) * | 2020-02-12 | 2020-06-05 | 秦培均 | Safe evacuation device for large-scale complex personnel dense place in city |
-
2015
- 2015-12-15 CN CN201521044705.XU patent/CN205374969U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109215404A (en) * | 2018-10-24 | 2019-01-15 | 安徽神韵光电科技有限公司 | Remote-controlled multimedia tutoring system |
| CN109215404B (en) * | 2018-10-24 | 2020-11-03 | 安徽神韵光电科技有限公司 | Remote control multimedia teaching system |
| CN109615944A (en) * | 2019-01-29 | 2019-04-12 | 周口师范学院 | A kind of psychological health education teaching aid special |
| CN111243467A (en) * | 2020-02-12 | 2020-06-05 | 秦培均 | Safe evacuation device for large-scale complex personnel dense place in city |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171107 Address after: 401220 1-8-6, 7, 8, Taoyuan Avenue, Changshou District, Chongqing, 8 Patentee after: Chongqing beauty culture Murray Education Development Co. Ltd Address before: 400020 Jiangbei District, Chongqing Jialing Village No. 1, 41, 16-5 Patentee before: CHONGQING COOPO SCIENCE & TECHNOLOGY CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20171215 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |