CN211118619U - Can adjust projecting apparatus for english teaching of input angle - Google Patents
Can adjust projecting apparatus for english teaching of input angle Download PDFInfo
- Publication number
- CN211118619U CN211118619U CN201921953867.3U CN201921953867U CN211118619U CN 211118619 U CN211118619 U CN 211118619U CN 201921953867 U CN201921953867 U CN 201921953867U CN 211118619 U CN211118619 U CN 211118619U
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- China
- Prior art keywords
- thread sleeve
- gear
- installation
- adjust
- english teaching
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Abstract
The utility model discloses a can adjust projecting apparatus for english teaching of input angle, including installation storehouse and control panel, the intermediate position department at the inside top in installation storehouse is provided with the internal thread sleeve pipe, and the internal thread sleeve pipe extends to the outside in installation storehouse, the top cover in the internal thread sleeve pipe outside is equipped with the second gear. The utility model discloses the device is through the installation storehouse, the internal thread sleeve pipe, first gear, the connecting rod, mutually supporting of fixing bolt and second gear, can carry out quick installation to the device, it installs using other instruments to need not operating personnel, make its installation convenient and fast more, through mutually supporting of electric cylinder and servo motor, can adjust projected height and angle, the user can adjust it according to actual need, it is manual to adjust to need not the user, not only the projected effect has been improved, stability when rotating has still been improved simultaneously.
Description
Technical Field
The utility model relates to a can adjust the english teaching of input angle and use projection equipment technical field, specifically be a can adjust english teaching of input angle and use projection equipment.
Background
The projector is also called as a projector, is a device capable of projecting images or videos onto a curtain, can be connected with a computer, a VCD, a DVD, a game machine, a DV and the like through different interfaces to play corresponding video signals, is accompanied with rapid development of scientific technology and continuous progress of teaching modes, multimedia teaching equipment becomes an essential tool in the teaching process, and is very common in English teaching;
multimedia projector on the market, it installs to need operating personnel to climb to the roof when the installation, this kind of installation is not only loaded down with trivial details, certain potential safety hazard still exists, and be not convenient for adjust its projected height after the installation, it is comparatively inconvenient to use, and the angle of installation is fixed, be not convenient for carry out angle rotation control, the switching of plane of projection, the projecting apparatus can produce at the during operation and slightly rock, poor stability, make the picture that the projection came out unstable, it influences the visual acuity to watch unstable picture for a long time, the easy dust that accumulates in the projecting apparatus top, operating personnel is comparatively inconvenient when clearing up.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can adjust projecting apparatus for english teaching of input angle to solve the problem of proposing in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a projection device capable of adjusting a throwing angle for English teaching comprises an installation bin and a control panel, wherein an internal thread sleeve is arranged at the middle position of the top inside the installation bin and extends to the outside of the installation bin, a second gear is sleeved at the top outside the internal thread sleeve, connecting rods are arranged at four corners of the bottom inside the installation bin, a first gear is arranged at the top of each connecting rod and is meshed with the corresponding second gear, a fixing bolt is arranged at the top of each first gear and extends to the outside of the installation bin, fixing rods are hinged to the bottoms of two sides of the outer side of the internal thread sleeve, a fixing component is arranged at the top of each fixing rod, a threaded rod is sleeved inside the internal thread sleeve, an electric cylinder is arranged at the bottom of each threaded rod, and a servo motor is arranged at the output end of the electric cylinder, the both sides of servo motor are provided with the brush pole, servo motor's output is provided with the projecting apparatus, control panel respectively with electric cylinder and servo motor electric connection through the signal of telecommunication.
Preferably, the fixed subassembly includes fixture block, draw-in groove, spring and mounting panel, the mounting panel is located the top of dead lever, the inside of mounting panel is provided with the spring, the inside both sides cover of mounting panel is equipped with the fixture block, and fixture block and spring interconnect, the draw-in groove is located the both sides of installation storehouse bottom.
Preferably, the clamping grooves of the clamping blocks are all made of semicircular structures, and the clamping blocks are matched with the clamping grooves.
Preferably, the outside of servo motor is provided with the motor storehouse, and the inboard in motor storehouse is provided with the shock attenuation amortization cotton.
Preferably, the top of installation storehouse is provided with the protection pad, and the top of protection pad is the wave type.
Preferably, a bearing is sleeved at the middle position of the outer side of the internal thread sleeve, and the bearing is connected with the mounting bin.
Compared with the prior art, the beneficial effects of the utility model are that: this can adjust projecting apparatus for english teaching of input angle is through installing the storehouse, the internal thread sleeve pipe, first gear, the connecting rod, mutually supporting of fixing bolt and second gear, can carry out quick installation to the device, it installs to need not operating personnel and using other instrument, make its installation convenient and fast more, mutually support through electric cylinder and servo motor, can adjust projected height and angle, the user can adjust it according to actual need, it adjusts to it to need not the user manually, not only projected effect has been improved, stability when rotating has still been improved simultaneously, mutually support through brush pole and projecting apparatus, can clear up the dust of projecting apparatus face, prevent that the accumulated dust is too much.
Drawings
Fig. 1 is a front sectional view of the present invention;
fig. 2 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention;
fig. 3 is a schematic structural diagram of the first gear and the second gear of the present invention.
In the figure: 1. installing a bin; 2. an internally threaded sleeve; 3. a first gear; 4. a connecting rod; 5. an electric cylinder; 6. a servo motor; 7. a projector; 8. a brush rod; 9. fixing the rod; 10. fixing the bolt; 11. a second gear; 12. a clamping block; 13. a card slot; 14. a spring; 15. mounting a plate; 16. a control panel; 17. a threaded rod.
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 present invention provides an embodiment: a projection device capable of adjusting a throwing angle for English teaching comprises an installation bin 1 and a control panel 16, wherein an internal thread sleeve 2 is arranged at the middle position of the top inside the installation bin 1, the internal thread sleeve 2 extends to the outside of the installation bin 1, a second gear 11 is sleeved at the top outside the internal thread sleeve 2, the device can be quickly installed without using other tools by an operator, so that the installation is more convenient and quicker, connecting rods 4 are arranged at four corners of the bottom inside the installation bin 1, a first gear 3 is arranged at the top of each connecting rod 4, the first gear 3 is meshed with the second gear 11, a fixing bolt 10 is arranged at the top of the first gear 3, the fixing bolt 10 extends to the outside of the installation bin 1, fixing rods 9 are hinged to the bottoms of two sides of the outer side of the internal thread sleeve 2, and a fixing component is arranged at the top of each fixing rod 9, the threaded rod 17 is sleeved inside the internal thread sleeve 2 and can adjust the height and angle of projection, a user can adjust the threaded rod 17 according to actual needs, manual adjustment of the user is not needed, the projection effect is improved, and meanwhile, the stability in rotation is improved, the bottom of the threaded rod 17 is provided with the electric cylinder 5, the model of the electric cylinder is DSNU-25-45-PPV-A, the output end of the electric cylinder 5 is provided with the servo motor 6, the model of the servo motor is 80ZFMA1-0D75DB, the two sides of the servo motor 6 are provided with the brush rods 8, dust on the surface of a projector can be cleaned, excessive dust accumulation is prevented, the output end of the servo motor 6 is provided with the projector 7, the control panel 16 is electrically connected with the electric cylinder 5 and the servo motor 6 through electric signals, and the control panel 16 in the device, The electric cylinder 5 and the servo motor 6 are the prior art, and the composition structure and the connection mode of the electric cylinder and the servo motor are completely the same as those of the prior device.
In this implementation, fixed subassembly includes fixture block 12, draw-in groove 13, spring 14 and mounting panel 15, mounting panel 15 is located the top of dead lever 9, mounting panel 15's inside is provided with spring 14, the inside both sides cover of mounting panel 15 is equipped with fixture block 12, and fixture block 12 and spring 14 interconnect, draw-in groove 13 is located the both sides of installation storehouse 1 bottom, be convenient for fix, draw-in groove 13 of fixture block 12 all is made by semi-circular structure, and fixture block 12 and draw-in groove 13 mutual adaptation, be convenient for the block, servo motor 6's the outside is provided with the motor storehouse, and the inboard of motor storehouse is provided with the shock attenuation amortization cotton, the noise abatement, the top of installation storehouse 1 is provided with the protection pad, and the top of protection pad is the wave type, prevent the scratch, the intermediate position department cover in the internal thread sleeve 2 outside is equipped with the bearing.
The working principle is as follows: when the device is used, firstly, the device is moved to a designated position, then the second gear 11 is driven to rotate through the internal thread sleeve 2 by rotating the internal thread sleeve 2, the first gear 3 is driven to rotate through the second gear 11, the fixing bolt 10 is driven to rotate through the first gear 3, the device is fixed to the designated position through the fixing bolt 10, after the fixing bolt 10 is fixed, the fixing rod 9 is rotated, the parts below the mounting plate 15 are driven to move through the fixing rod 9, then the clamping block 12 is inserted into the clamping groove 13, the spring 14 is compressed through the clamping block 12, the clamping block 12 is ejected into the clamping groove 13 through the elastic restoring force of the spring 14 to be fixed, after the fixing is finished, the parts below the threaded rod 17 are taken up to move, the threaded rod 17 is screwed into the internal thread sleeve 2 to be fixed, after the mounting is finished, switch on opens control panel 16, opens electric cylinder 5 through control panel 16, adjusts its height through electric cylinder 5, then opens servo motor 6 through control panel 16, drives projecting apparatus 7 through servo motor 6 and rotates and adjust its angle, when carrying out the angle modulation, removes in the bottom of brush-holder stud 8 through projecting apparatus 7, clears up the dust.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a can adjust english teaching projection arrangement of input angle, includes installation storehouse (1) and control panel (16), its characterized in that: the middle position of the inner top of the installation bin (1) is provided with an inner thread sleeve (2), the inner thread sleeve (2) extends to the outside of the installation bin (1), the top of the outer side of the inner thread sleeve (2) is sleeved with a second gear (11), four corners of the inner bottom of the installation bin (1) are provided with connecting rods (4), the top of each connecting rod (4) is provided with a first gear (3), the first gear (3) is meshed with the second gear (11), the top of each first gear (3) is provided with a fixing bolt (10), each fixing bolt (10) extends to the outside of the installation bin (1), the bottoms of two sides of the outer side of the inner thread sleeve (2) are hinged with fixing rods (9), the top of each fixing rod (9) is provided with a fixing component, a threaded rod (17) is sleeved in the inner thread sleeve (2), the bottom of threaded rod (17) is provided with electric cylinder (5), the output of electric cylinder (5) is provided with servo motor (6), the both sides of servo motor (6) are provided with brush pole (8), the output of servo motor (6) is provided with projecting apparatus (7), control panel (16) through the signal of telecommunication respectively with electric cylinder (5) and servo motor (6) electric connection.
2. Projection equipment for english teaching that can adjust input angle according to claim 1, characterized in that: fixed subassembly includes fixture block (12), draw-in groove (13), spring (14) and mounting panel (15), mounting panel (15) are located the top of dead lever (9), the inside of mounting panel (15) is provided with spring (14), the inside both sides cover of mounting panel (15) is equipped with fixture block (12), and fixture block (12) and spring (14) interconnect, draw-in groove (13) are located the both sides of installation storehouse (1) bottom.
3. The projection device for english teaching that can adjust input angle of claim 2, characterized in that: the clamping grooves (13) of the clamping blocks (12) are all made of semicircular structures, and the clamping blocks (12) are matched with the clamping grooves (13).
4. Projection equipment for english teaching that can adjust input angle according to claim 1, characterized in that: the outside of servo motor (6) is provided with the motor storehouse, and the inboard in motor storehouse is provided with the shock attenuation amortization cotton.
5. Projection equipment for english teaching that can adjust input angle according to claim 1, characterized in that: the top of installation storehouse (1) is provided with the protection pad, and the top of protection pad is the wave type.
6. Projection equipment for english teaching that can adjust input angle according to claim 1, characterized in that: the middle position outside the internal thread sleeve (2) is sleeved with a bearing, and the bearing is connected with the mounting bin (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921953867.3U CN211118619U (en) | 2019-11-13 | 2019-11-13 | Can adjust projecting apparatus for english teaching of input angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921953867.3U CN211118619U (en) | 2019-11-13 | 2019-11-13 | Can adjust projecting apparatus for english teaching of input angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211118619U true CN211118619U (en) | 2020-07-28 |
Family
ID=71699358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921953867.3U Expired - Fee Related CN211118619U (en) | 2019-11-13 | 2019-11-13 | Can adjust projecting apparatus for english teaching of input angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211118619U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028223A (en) * | 2021-03-11 | 2021-06-25 | 安徽超清科技股份有限公司 | Projection equipment for video conference |
| CN113131177A (en) * | 2021-02-26 | 2021-07-16 | 上海国动网络通信有限公司 | 5G communication base station for low-voltage line communication and use method |
-
2019
- 2019-11-13 CN CN201921953867.3U patent/CN211118619U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113131177A (en) * | 2021-02-26 | 2021-07-16 | 上海国动网络通信有限公司 | 5G communication base station for low-voltage line communication and use method |
| CN113028223A (en) * | 2021-03-11 | 2021-06-25 | 安徽超清科技股份有限公司 | Projection equipment for video conference |
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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 |
Granted publication date: 20200728 Termination date: 20201113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |