CN211786566U - Portable projecting apparatus for english teaching - Google Patents
Portable projecting apparatus for english teaching Download PDFInfo
- Publication number
- CN211786566U CN211786566U CN202020772731.9U CN202020772731U CN211786566U CN 211786566 U CN211786566 U CN 211786566U CN 202020772731 U CN202020772731 U CN 202020772731U CN 211786566 U CN211786566 U CN 211786566U
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- China
- Prior art keywords
- rotating shaft
- plate
- bottom plate
- sliding block
- projector
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- Expired - Fee Related
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Abstract
A portable projector for English teaching comprises a bottom plate, a protective cover and a projector body; the bottom plate is provided with a baffle plate, and the fixing piece is arranged on the bottom plate; the second rotating shaft is rotatably arranged on the fixing piece and penetrates through the supporting plate, and a first rotating shaft is arranged at one end, far away from the second rotating shaft, of the supporting plate; the T-shaped sliding block is arranged on the fixing plate in a sliding mode, and the first rotating shaft is connected with the T-shaped sliding block in a rotating mode; the first locking piece is in threaded connection with the first rotating shaft and abuts against the T-shaped sliding block; the third rotating shaft is arranged on the supporting plate and is positioned in the accommodating groove; the bracing piece rotates and sets up in the third pivot and is located and accomodates the inslot, and the projecting apparatus body sets up at the top of fixed plate, and the safety cover activity sets up on the bottom plate and covers the projecting apparatus body, is equipped with the recess on the safety cover, and the lens cap pastes on the inner peripheral surface of recess. The utility model discloses the person of facilitating the use hand-carries, can be one multi-purpose, improves the projecting apparatus utilization efficiency, and projecting apparatus duration is good, can prevent effectively that the outage from and stop the condition of teaching.
Description
Technical Field
The utility model relates to a teaching equipment technical field especially relates to a projecting apparatus is used in teaching of portable english.
Background
A projector is an optical instrument that magnifies the contour of a workpiece using an optical element and projects it onto a screen. It can use the transmitted light as the profile measurement, also can use the reflected light to measure the surface shape of the blind hole and observe the surface of the part; the device can also project images or videos onto the curtain, and can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV machine and the like through different interfaces to play corresponding video signals; the projector is applied more and more in the teaching field, is one of the commonly used multimedia devices in English teaching, but is generally fixed at the top of a classroom, the traditional suspension type projector cannot be moved, is inconvenient to carry and is complex to maintain, and the projector is required to be installed in each classroom, so that resource waste is caused; the teaching is easy to interrupt under the condition of power failure because a built-in power supply is not provided; in order to solve the problem, the application provides a portable projecting apparatus for english teaching.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem that exists among the background art, the utility model provides a portable projecting apparatus for english teaching, the person of facilitating the use hand-carries, can be multi-purpose by one, improves the projecting apparatus utilization efficiency, and simple to use convenience and projecting apparatus duration are good, can prevent effectively that the outage from and terminate the condition of teaching.
(II) technical scheme
The utility model provides a portable projector for English teaching, which comprises a bottom plate, a protective cover, a fixing plate, a projector body, a lens cover, a T-shaped slide block, a supporting plate, a fixing part, a first rotating shaft, a second rotating shaft, a third rotating shaft, a supporting rod, a first locking part and a second locking part;
the bottom plate is provided with a baffle plate, and the fixing piece is arranged on the bottom plate and clings to the baffle plate; the second rotating shaft is rotatably arranged on the fixing piece and penetrates through the supporting plate, and a first rotating shaft is arranged at one end, far away from the second rotating shaft, of the supporting plate; the bottom of the fixed plate is provided with a second sliding chute, the T-shaped sliding block is arranged on the fixed plate in a sliding manner, and the first rotating shaft is rotatably connected with the T-shaped sliding block and extends out of the periphery of the T-shaped sliding block; an external thread is arranged at one end of the first rotating shaft extending out of the periphery of the T-shaped sliding block, a threaded hole is formed in the first locking piece, and the first locking piece is in threaded connection with the first rotating shaft and abuts against the T-shaped sliding block;
the supporting plate is provided with a containing groove, and the third rotating shaft is arranged on the supporting plate and is positioned in the containing groove; the supporting rod is rotatably arranged on the third rotating shaft and is positioned in the accommodating groove, the bottom plate is provided with a first sliding groove, and the first sliding groove on the bottom plate and the accommodating groove on the supporting plate are positioned on the same vertical plane;
the projector body is arranged at the top of the fixed plate, and a lens is arranged on the projector body; the lens is provided with an external thread, and the lens cover is provided with an internal thread and is in threaded connection with the lens; the protective cover is movably arranged on the bottom plate and covers the projector body, a groove is formed in the protective cover, and the lens cover is attached to the inner circumferential surface of the groove.
Preferably, the number of the fixing pieces is two, and the fixing pieces are respectively positioned on two sides of the baffle.
Preferably, the number of the T-shaped sliding blocks is two, and the T-shaped sliding blocks are respectively attached to two ends of the supporting plate.
Preferably, the first sliding groove on the bottom plate has the same width as the accommodating groove on the supporting plate.
Preferably, the bottom plate is provided with a lock catch, and the bottom plate and the protective cover are locked through the lock catch.
Preferably, the protective cover is provided with a rubber handle.
Preferably, a lithium battery is arranged in the projector body.
The above technical scheme of the utility model has following profitable technological effect: when the T-shaped sliding block is used, the lock catch on the bottom plate is opened, the rubber handle on the protective cover is pulled to process the protective cover to be separated from the bottom plate, then the fixing piece is pulled by hand to move towards the direction far away from the bottom plate, the supporting plate rotates on the fixing piece by taking the second rotating shaft as an axis, and the T-shaped sliding block rotates on the first rotating shaft on the supporting plate and moves along the arrangement direction of the second sliding groove on the fixing plate; at this time, the fixing plate and the projector body on the fixing plate are lifted, then the supporting rod rotates by taking the third rotating shaft as an axis and is separated from the accommodating groove on the supporting plate, and the supporting rod slides into the second sliding groove, at the moment, the second locking piece is screwed, and as the threaded hole is formed in the second locking piece, and the external thread is arranged at one end of the third rotating shaft, which is positioned at the periphery of the supporting plate, the second locking piece is abutted against the supporting plate and fixes the supporting rod when the second locking piece is screwed; the first locking piece is screwed, and the threaded hole is formed in the first locking piece, and the external thread is arranged at one end, located on the periphery of the T-shaped sliding block, of the first rotating shaft, so that the first locking piece is screwed after the angle of the projector body is adjusted, the first locking piece abuts against the T-shaped sliding block to fix the T-shaped sliding block, a user can conveniently carry the first locking piece, the first locking piece is multifunctional, the utilization efficiency of the projector is improved, and the use is simple and convenient; this internal lithium cell that is equipped with of projecting apparatus, and projecting apparatus duration is good, can prevent effectively that the outage from stopping the condition of teaching.
Drawings
Fig. 1 is the utility model provides a portable projecting apparatus for english teaching's structural schematic diagram.
Fig. 2 is the utility model provides a portable projecting apparatus during operation for english teaching structure schematic diagram.
Fig. 3 is the utility model provides a portable projector for english teaching's a schematic view.
Reference numerals: 1. a base plate; 2. a baffle plate; 3. a protective cover; 4. a fixing plate; 5. a projector body; 6. a lens; 7. a lens cover; 8. a T-shaped slider; 9. a support plate; 10. a fixing member; 11. a first rotating shaft; 12. a second rotating shaft; 13. a third rotating shaft; 14. a support bar; 15. a first locking member; 17. a second locking member; 18. a first chute; 19. a receiving groove; 20. a second runner.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-3, the utility model provides a portable projector for english teaching, including bottom plate 1, safety cover 3, fixed plate 4, projector body 5, camera lens 6, lens cap 7, T-shaped slider 8, backup pad 9, mounting 10, first pivot 11, second pivot 12, third pivot 13, bracing piece 14, first retaining member 15 and second retaining member 17;
the bottom plate 1 is provided with a baffle 2, and the fixing piece 10 is arranged on the bottom plate 1 and clings to the baffle 2; the second rotating shaft 12 is rotatably arranged on the fixing piece 10 and penetrates through the supporting plate 9, and a first rotating shaft 11 is arranged at one end, far away from the second rotating shaft 12, of the supporting plate 9; the bottom of the fixed plate 4 is provided with a second sliding chute 20, the T-shaped sliding block 8 is arranged on the fixed plate 4 in a sliding manner, and the first rotating shaft 11 is rotatably connected with the T-shaped sliding block 8 and extends out of the periphery of the T-shaped sliding block 8; an external thread is arranged at one end of the first rotating shaft 11 extending out of the periphery of the T-shaped sliding block 8, a threaded hole is formed in the first locking piece 15, and the first locking piece 15 is in threaded connection with the first rotating shaft 11 and abuts against the T-shaped sliding block 8;
the supporting plate 9 is provided with a receiving groove 19, and the third rotating shaft 13 is arranged on the supporting plate 9 and is positioned in the receiving groove 19; the supporting rod 14 is rotatably arranged on the third rotating shaft 13 and is positioned in the accommodating groove 19, the bottom plate 1 is provided with a first sliding groove 18, and the first sliding groove 18 on the bottom plate 1 and the accommodating groove 19 on the supporting plate 9 are positioned on the same vertical plane;
the projector body 5 is arranged on the top of the fixed plate 4, and the projector body 5 is provided with a lens 6; the lens 6 is provided with an external thread, and the lens cover 7 is provided with an internal thread and is in threaded connection with the lens 6; the protective cover 3 is movably arranged on the bottom plate 1 and covers the projector body 5, a groove is arranged on the protective cover 3, and the lens cover 7 is attached to the inner circumferential surface of the groove.
In an alternative embodiment, the number of the fixing members 10 is two, and they are respectively located at both sides of the barrier 2.
In an alternative embodiment, the number of the T-shaped sliders 8 is two, and the T-shaped sliders are respectively attached to two ends of the supporting plate 9.
In an alternative embodiment, the first slide groove 18 of the base plate 1 has the same width as the receiving groove 19 of the support plate 9.
In an optional embodiment, the bottom plate 1 is provided with a lock catch, and the bottom plate 1 and the protective cover 3 are locked by the lock catch, so that the protective cover can be conveniently taken down when the device is used, and the device is more convenient and quicker.
In an alternative embodiment, the protective cover 3 is provided with a rubber handle to facilitate the movement of the device.
In an optional embodiment, a lithium battery is arranged in the projector body 5 to prevent interruption of teaching due to power failure during work.
In the utility model, when in use, the lock catch on the bottom plate 1 is firstly opened, the rubber handle on the protective cover 3 is pulled to process the protective cover 3 to be separated from the bottom plate 1, then the fixing part 4 is pulled by hand to move towards the direction far away from the bottom plate 1, at the moment, the supporting plate 9 rotates on the fixing part 10 by taking the second rotating shaft 12 as the axis, and the T-shaped slider 8 rotates on the first rotating shaft 11 on the supporting plate 9 and moves along the setting direction of the second chute 20 on the fixing plate 4; at this time, the fixing plate 4 and the projector body 5 on the fixing plate 4 are lifted, then the supporting rod 14 is rotated by taking the third rotating shaft 13 as an axis and is separated from the accommodating groove 19 on the supporting plate 9, and the supporting rod 14 is slid into the second sliding groove 18, at this time, the second locking member 17 is screwed, as the threaded hole is formed in the second locking member 17, and the external thread is arranged at one end of the third rotating shaft 13, which is positioned at the periphery of the supporting plate 9, so that when the second locking member 17 is screwed, the second locking member 17 abuts against the supporting plate 9 and fixes the supporting rod 14; then the first locking piece 15 is screwed, because the threaded hole is formed in the first locking piece 15, and the external thread is arranged at one end, located on the periphery of the T-shaped sliding block 8, of the first rotating shaft 11, the first locking piece 15 is screwed after the angle of the projector body 5 is adjusted, the first locking piece 15 abuts against the T-shaped sliding block 8 and is fixed, a user can conveniently carry the projector, the first locking piece 15 is multipurpose, the utilization efficiency of the projector is improved, and the use is simple and convenient; be equipped with the lithium cell in the projecting apparatus body 5, and projecting apparatus duration is good, can prevent effectively that the outage from stopping the condition of teaching.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (7)
1. A portable projector for English teaching is characterized by comprising a bottom plate (1), a protective cover (3), a fixing plate (4), a projector body (5), a lens (6), a lens cover (7), a T-shaped sliding block (8), a supporting plate (9), a fixing piece (10), a first rotating shaft (11), a second rotating shaft (12), a third rotating shaft (13), a supporting rod (14), a first locking piece (15) and a second locking piece (17);
the bottom plate (1) is provided with a baffle (2), and the fixing piece (10) is arranged on the bottom plate (1) and clings to the baffle (2); the second rotating shaft (12) is rotatably arranged on the fixing piece (10) and penetrates through the supporting plate (9), and a first rotating shaft (11) is arranged at one end, far away from the second rotating shaft (12), of the supporting plate (9); a second sliding chute (20) is arranged at the bottom of the fixed plate (4), the T-shaped sliding block (8) is arranged on the fixed plate (4) in a sliding manner, and the first rotating shaft (11) is rotatably connected with the T-shaped sliding block (8) and extends out of the periphery of the T-shaped sliding block (8); an external thread is arranged at one end of the first rotating shaft (11) extending out of the periphery of the T-shaped sliding block (8), a threaded hole is formed in the first locking piece (15), and the first locking piece (15) is in threaded connection with the first rotating shaft (11) and abuts against the T-shaped sliding block (8);
the supporting plate (9) is provided with a containing groove (19), and the third rotating shaft (13) is arranged on the supporting plate (9) and is positioned in the containing groove (19); the supporting rod (14) is rotatably arranged on the third rotating shaft (13) and is positioned in the accommodating groove (19), the bottom plate (1) is provided with a first sliding groove (18), and the first sliding groove (18) on the bottom plate (1) and the accommodating groove (19) on the supporting plate (9) are positioned on the same vertical plane;
the projector body (5) is arranged at the top of the fixing plate (4), and a lens (6) is arranged on the projector body (5); the lens (6) is provided with an external thread, and the lens cover (7) is provided with an internal thread and is in threaded connection with the lens (6); the protective cover (3) is movably arranged on the bottom plate (1) and covers the projector body (5), a groove is formed in the protective cover (3), and the lens cover (7) is attached to the inner circumferential surface of the groove.
2. The portable English teaching projector according to claim 1, wherein the number of the fixing members (10) is two, and the fixing members are respectively located on both sides of the baffle plate (2).
3. The projector as claimed in claim 1, wherein the number of the T-shaped sliders (8) is two, and the T-shaped sliders are respectively attached to two ends of the supporting plate (9).
4. The portable English teaching projector according to claim 1, wherein the first sliding groove (18) of the base plate (1) has the same width as the receiving groove (19) of the support plate (9).
5. The portable English teaching projector according to claim 1, wherein the bottom plate (1) is provided with a lock catch, and the bottom plate (1) and the protective cover (3) are locked together by the lock catch.
6. The portable English teaching projector according to claim 1, wherein the protective cover (3) is provided with a rubber handle.
7. The portable projector for English teaching of claim 1, wherein a lithium battery is disposed in the projector body (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020772731.9U CN211786566U (en) | 2020-05-11 | 2020-05-11 | Portable projecting apparatus for english teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020772731.9U CN211786566U (en) | 2020-05-11 | 2020-05-11 | Portable projecting apparatus for english teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211786566U true CN211786566U (en) | 2020-10-27 |
Family
ID=72956678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020772731.9U Expired - Fee Related CN211786566U (en) | 2020-05-11 | 2020-05-11 | Portable projecting apparatus for english teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211786566U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087479A (en) * | 2021-11-22 | 2022-02-25 | 江苏首擎软件科技有限公司 | Portable wireless intelligent projector with protection function |
-
2020
- 2020-05-11 CN CN202020772731.9U patent/CN211786566U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087479A (en) * | 2021-11-22 | 2022-02-25 | 江苏首擎软件科技有限公司 | Portable wireless intelligent projector with protection function |
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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: 20201027 Termination date: 20210511 |