CN209876406U - Projection arrangement is used in teaching convenient to installation - Google Patents
Projection arrangement is used in teaching convenient to installation Download PDFInfo
- Publication number
- CN209876406U CN209876406U CN201920729937.0U CN201920729937U CN209876406U CN 209876406 U CN209876406 U CN 209876406U CN 201920729937 U CN201920729937 U CN 201920729937U CN 209876406 U CN209876406 U CN 209876406U
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- adjusting
- fixedly connected
- block
- device body
- roof
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Abstract
The utility model discloses a projection arrangement is used in teaching convenient to installation relates to teaching aid technical field. Including device body and mount pad, the upper end fixedly connected with roof of device body, the equal fixedly connected with slider in both sides of roof, the mounting groove has been seted up to the lower extreme of mount pad, the spout has all been seted up to the both sides of mounting groove, and slider and spout sliding connection, the screw has been seted up to the upper end of roof, and the screw has also been seted up to the upper end of mount pad, the inside threaded connection of screw has the location handle, the upper end fixedly connected with regulating block of mount pad, the adjustment tank has been seted up to the upper end of regulating block. Through setting up mount pad and roof, utilize the slider of roof both sides to take the inside that the mount pad was together inserted to the roof device body, then carry out threaded connection through the screw of location handle and roof upper end and fix a position the device body, made things convenient for the installation and to the dismantlement maintenance of device body, saved workman's time, avoid influencing the student and class.
Description
Technical Field
The utility model relates to a teaching aid technical field specifically is a projection arrangement is used in teaching convenient to installation.
Background
The teaching projector is also called a micro projector, a teacher projector, a palm projector and a TRT-3M portable projector, and the traditional huge projector is exquisite, portable, miniaturized, entertaining and practical by mainly using a 3MLCOSRGB three-color projection optical machine and a 720P chip decoding technology, so that the projection technology is closer to life and entertainment. Training meetings and classroom teaching; the traditional projector is not easy to carry, and the projector is unsafe to be placed in a classroom due to stubborn skin of students in classrooms of schools, is easy to be damaged by the students and needs to be installed on a wall.
However, the projector used for teaching in the prior art is troublesome to mount, screws need to be mounted on the mounting plate by using mounting tools one by one, the working efficiency is low, time and labor are wasted, if the projector is damaged, the projector needs to be dismounted, the time is delayed, the class of students is affected, and the projector in the prior art cannot be adjusted in height, so that the projection position is limited.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a projecting apparatus is used in teaching convenient to installation possesses the dismouting of being convenient for and advantages such as adjustable height, has solved the projecting apparatus relatively troublesome and the problem that can not height-adjusting when the dismouting.
(II) technical scheme
For the purpose of realizing the dismouting of being convenient for and adjustable height, the utility model provides a following technical scheme: a projection device for teaching convenient to install comprises a device body and a mounting seat, wherein the upper end of the device body is fixedly connected with a top plate, two sides of the top plate are both fixedly connected with sliding blocks, the lower end of the mounting seat is provided with a mounting groove, two sides of the mounting groove are both provided with sliding grooves, the sliding blocks are in sliding connection with the sliding grooves, the upper end of the top plate is provided with a screw hole, the upper end of the mounting seat is also provided with a screw hole, the inner part of the screw hole is in threaded connection with a positioning handle, the upper end of the mounting seat is fixedly connected with an adjusting block, the upper end of the adjusting block is provided with an adjusting groove, the inner part of the adjusting groove is rotatably connected with a rotating block through an adjusting screw rod, the adjusting block is in friction connection with the rotating block, two ends of the adjusting screw rod are in threaded connection with adjusting caps through the adjusting block, the telescopic rod is sleeved inside the sleeve, the spring cavity is formed in the lower end of the telescopic rod, the pressing spring is fixedly connected inside the spring cavity, the limiting button is fixedly connected to the end portion of the pressing spring, the limiting hole is formed in the side wall of the sleeve, and the limiting hole is connected with the limiting button in a clamping mode.
Further optimize this technical scheme, the guide way has been seted up to the upper end of mounting groove, the upper end fixedly connected with guide block of roof, and guide way and guide block sliding connection.
Further optimize this technical scheme, four have all been seted up with the screw of mounting panel upper end to the roof, and the location handle also is equipped with four.
This technical scheme is further optimized, the location handle is established to the cross, and adjusts the cap and also establishes to the cross.
Further optimize this technical scheme, spacing hole is equipped with five, and the interval between the spacing hole is 5 cm.
Further optimize this technical scheme, the lower extreme of turning block is established to the circular arc, and the upper end of regulating block also establishes to the circular arc.
Further optimize this technical scheme, the upper end of mount pad is equipped with the rubber pad, and the rubber pad is established at the lateral part of screw.
(III) advantageous effects
Compared with the prior art, the utility model provides a projection arrangement is used in teaching convenient to installation possesses following beneficial effect:
1. this projection arrangement is used in teaching convenient to installation, through setting up mount pad and roof, the inside that utilizes the slider of roof both sides to take the roof to install the body and together insert the mount pad, then carries out threaded connection through the screw of location handle and roof upper end and fixes a position the device body, has made things convenient for the installation and has repaired the dismantlement of device body, has saved workman's time, avoids influencing the student and goes on class.
2. This projection arrangement is used in teaching convenient to installation through setting up sleeve and telescopic link, utilizes the telescopic link to stretch out and draw back in telescopic inside, and the spacing button of telescopic link tip and the spacing hole of sleeve lateral wall carry out the joint, fix a position telescopic link and sleeve, have made things convenient for the height of adjusting device body, have solved the device body and have influenced the problem of projection position because of the height inadequately.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view of the present invention;
fig. 3 is an enlarged view of part a of the present invention.
In the figure: 1. a device body; 2. a mounting seat; 3. a top plate; 4. a slider; 5. mounting grooves; 6. a chute; 7. a screw hole; 8. a positioning handle; 9. an adjusting block; 10. an adjustment groove; 11. adjusting the screw rod; 12. rotating the block; 13. an adjusting cap; 14. a sleeve; 15. a telescopic rod; 16. a spring cavity; 17. a pressing spring; 18. a limit button; 19. a limiting hole; 20. a guide groove; 21. a guide block; 22. and (7) a rubber pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the utility model discloses a projection device for teaching, which is convenient to install, comprising a device body 1 and a mounting seat 2, wherein the upper end of the device body 1 is fixedly connected with a top plate 3, both sides of the top plate 3 are fixedly connected with sliders 4, the lower end of the mounting seat 2 is provided with a mounting groove 5, both sides of the mounting groove 5 are provided with sliding grooves 6, the sliders 4 are slidably connected with the sliding grooves 6, the upper end of the top plate 3 is provided with a screw hole 7, the upper end of the mounting seat 2 is also provided with a screw hole 7, the inner thread of the screw hole 7 is connected with a positioning handle 8, the upper end of the mounting seat 2 is fixedly connected with an adjusting block 9, the upper end of the adjusting block 9 is provided with an adjusting groove 10, the inside of the adjusting groove 10 is rotatably connected with a rotating block 12 through an adjusting screw rod 11, the adjusting block 9 is frictionally connected with the, and the adjusting cap 13 is connected with the two sides of the adjusting block 9 in an attaching manner, the upper end of the rotating block 12 is fixedly connected with a sleeve 14, an expansion rod 15 is sleeved inside the sleeve 14, a spring cavity 16 is formed in the lower end of the expansion rod 15, a pressing spring 17 is fixedly connected inside the spring cavity 16, a limiting button 18 is fixedly connected to the end of the pressing spring 17, a limiting hole 19 is formed in the side wall of the sleeve 14, and the limiting hole 19 is connected with the limiting button 18 in a clamping manner.
Specifically, guide way 20 has been seted up to the upper end of mounting groove 5, and the upper end fixedly connected with guide block 21 of roof 3, and guide way 20 and guide block 21 sliding connection are favorable to the installation of device body 1.
Specifically, four screw holes 7 are formed in the top plate 3 and the upper end of the mounting plate, and the positioning handles 8 are also four, so that the device body 1 can be positioned conveniently.
Specifically, the positioning handle 8 is cross-shaped, and the adjusting cap 13 is also cross-shaped, which is beneficial to the installation of the positioning handle 8.
Specifically, the five limiting holes 19 are formed, and the interval between the limiting holes 19 is 5cm, so that the height of the device body 1 can be adjusted conveniently.
Specifically, the lower end of the rotating block 12 is arc-shaped, and the upper end of the adjusting block 9 is also arc-shaped, which is beneficial to the rotation of the rotating block 12 and the adjusting block 9.
Specifically, the upper end of the mounting seat 2 is provided with a rubber pad 22, and the rubber pad 22 is arranged at the side part of the screw hole 7, which is beneficial to fastening the positioning handle 8.
When the device is used, firstly, the top plate 3 is inserted into the mounting seat 2 together with the device body 1 through the sliding blocks 4 on the two sides, then the positioning handle 8 is in threaded connection with the top plate 3 and the screw hole 7 at the upper end of the mounting seat 2 to position the device body 1, the device body 1 is prevented from displacing, the installation and the disassembly and maintenance of the device body 1 are facilitated, then the adjusting block 9 is rotated, the adjusting cap 13 is rotated after the angle is adjusted, the adjusting cap 13 rotates to extrude the rotating block 12 through the adjusting block 9 to increase friction, so that the rotating block 12 and the adjusting block 9 are fixed in angle, and the angle of the device body 1 is conveniently adjusted; utilize telescopic link 15 to stretch out and draw back in sleeve 14's inside, the spacing button 18 of telescopic link 15 tip carries out the joint through the spacing hole 19 of pressing spring 17 and sleeve 14 lateral wall, fixes a position telescopic link 15 and sleeve 14, has solved device body 1 because of the height problem that influences the projection position inadequately.
In conclusion, the conveniently-installed projection device for teaching is provided with the installation base 2 and the top plate 3, the top plate 3 with the device body 1 is inserted into the installation base 2 together by the slide blocks 4 on the two sides of the top plate 3, and then the device body 1 is positioned by the threaded connection of the positioning handle 8 and the screw hole 7 on the upper end of the top plate 3, so that the installation and the disassembly and maintenance of the device body 1 are facilitated, the time of workers is saved, and the influence on students on class is avoided; through setting up sleeve 14 and telescopic link 15, utilize telescopic link 15 to stretch out and draw back in sleeve 14's inside, the spacing button 18 of 15 tip of telescopic link and the spacing hole 19 of 14 lateral walls of sleeve carry out the joint, fix a position telescopic link 15 and sleeve 14, have made things convenient for the height of adjusting device body 1, have solved device body 1 because of the height influence the problem of projection position inadequately.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a projection arrangement is used in teaching convenient to installation, includes device body (1) and mount pad (2), its characterized in that: the device is characterized in that the upper end of the device body (1) is fixedly connected with a top plate (3), two sides of the top plate (3) are fixedly connected with sliding blocks (4), the lower end of the mounting seat (2) is provided with a mounting groove (5), two sides of the mounting groove (5) are provided with sliding grooves (6), the sliding blocks (4) are in sliding connection with the sliding grooves (6), the upper end of the top plate (3) is provided with a screw hole (7), the upper end of the mounting seat (2) is also provided with a screw hole (7), the inner part of the screw hole (7) is in threaded connection with a positioning handle (8), the upper end of the mounting seat (2) is fixedly connected with an adjusting block (9), the upper end of the adjusting block (9) is provided with an adjusting groove (10), the inner part of the adjusting groove (10) is rotatably connected with a rotating block (12) through an adjusting screw rod (11), adjusting block (9) threaded connection is run through at the both ends of adjusting screw (11) has adjusting cap (13), and adjusts cap (13) and be connected with the both sides laminating of adjusting block (9), the upper end fixedly connected with sleeve (14) of turning block (12), telescopic link (15) have been cup jointed to the inside of sleeve (14), spring chamber (16) have been seted up to the lower extreme of telescopic link (15), spring (17) are pressed to the inside fixedly connected with of spring chamber (16), the tip fixedly connected with stop button (18) of pressing spring (17), spacing hole (19) have been seted up to the lateral wall of sleeve (14), and spacing hole (19) are connected with stop button (18) block.
2. A teaching projection device as claimed in claim 1, which is easy to install and which is characterized in that: guide way (20) have been seted up to the upper end of mounting groove (5), the upper end fixedly connected with guide block (21) of roof (3), and guide way (20) and guide block (21) sliding connection.
3. A teaching projection device as claimed in claim 1, which is easy to install and which is characterized in that: four screw holes (7) at the upper ends of the top plate (3) and the mounting plate are formed, and four positioning handles (8) are also arranged.
4. A teaching projection device as claimed in claim 1, which is easy to install and which is characterized in that: the positioning handle (8) is in a cross shape, and the adjusting cap (13) is also in a cross shape.
5. A teaching projection device as claimed in claim 1, which is easy to install and which is characterized in that: the number of the limiting holes (19) is five, and the interval between the limiting holes (19) is 5 cm.
6. A teaching projection device as claimed in claim 1, which is easy to install and which is characterized in that: the lower end of the rotating block (12) is arc-shaped, and the upper end of the adjusting block (9) is also arc-shaped.
7. A teaching projection device as claimed in claim 1, which is easy to install and which is characterized in that: the upper end of the mounting seat (2) is provided with a rubber pad (22), and the rubber pad (22) is arranged at the side part of the screw hole (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920729937.0U CN209876406U (en) | 2019-05-21 | 2019-05-21 | Projection arrangement is used in teaching convenient to installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920729937.0U CN209876406U (en) | 2019-05-21 | 2019-05-21 | Projection arrangement is used in teaching convenient to installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209876406U true CN209876406U (en) | 2019-12-31 |
Family
ID=68947533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920729937.0U Expired - Fee Related CN209876406U (en) | 2019-05-21 | 2019-05-21 | Projection arrangement is used in teaching convenient to installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209876406U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111294541A (en) * | 2020-02-04 | 2020-06-16 | 深圳市惟新科技股份有限公司 | Intelligent law enforcement instrument for traffic dispatching and commanding |
| CN115042156A (en) * | 2022-05-17 | 2022-09-13 | 北京机械设备研究所 | Leg rod length adjusting device and exoskeleton robot equipment |
-
2019
- 2019-05-21 CN CN201920729937.0U patent/CN209876406U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111294541A (en) * | 2020-02-04 | 2020-06-16 | 深圳市惟新科技股份有限公司 | Intelligent law enforcement instrument for traffic dispatching and commanding |
| CN115042156A (en) * | 2022-05-17 | 2022-09-13 | 北京机械设备研究所 | Leg rod length adjusting device and exoskeleton robot equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20191231 Termination date: 20200521 |