CN213780623U - Teacher uses portable projecting apparatus - Google Patents
Teacher uses portable projecting apparatus Download PDFInfo
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- CN213780623U CN213780623U CN202023124199.9U CN202023124199U CN213780623U CN 213780623 U CN213780623 U CN 213780623U CN 202023124199 U CN202023124199 U CN 202023124199U CN 213780623 U CN213780623 U CN 213780623U
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- threaded rod
- fixedly connected
- projecting apparatus
- teacher
- belt
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Abstract
The utility model belongs to the technical field of the projecting apparatus, especially, be a teacher uses portable projecting apparatus, including the guard plate, the top fixedly connected with telescopic link of guard plate, the top fixedly connected with projecting apparatus body of telescopic link, compression spring has been cup jointed to the surface of telescopic link, compression spring's both ends respectively with guard plate and projecting apparatus body fixed connection, the inside of projecting apparatus body is equipped with the installation cavity. The utility model discloses a setting of motor drives initiative toothed disc and driven toothed disc and rotates, makes first threaded rod follow and rotates together, rotate through first threaded rod and belt and be connected and the belt rotates with the second threaded rod and be connected, when making first threaded rod pivoted, it rotates to drive the second threaded rod, thereby drive lifter plate and couple and upwards remove, outside this body with the ejecting projecting apparatus of couple, make it hang on the car or hand-carry, increase the convenience, when not, also can pack up the couple, reduce area.
Description
Technical Field
The utility model relates to a projecting apparatus technical field specifically is a teacher uses portable projecting apparatus.
Background
The projector is a device capable of projecting images or videos onto a curtain, and can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV, and the like through different interfaces to play corresponding video signals. The projector is widely applied to education and teaching and is indispensable equipment in multimedia teaching.
The current projectors have the following problems:
1. the volume is large, the carrying is inconvenient, and the inconvenience is brought to the use of a user;
2. during the movement, the projector is susceptible to collision, causing damage.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a teacher uses portable projecting apparatus has solved prior art, inconvenient carrying and inconvenient problem of protecting to the projecting apparatus.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a portable projector for teachers comprises a protection plate, wherein a telescopic rod is fixedly connected to the top of the protection plate, a projector body is fixedly connected to the top end of the telescopic rod, a compression spring is sleeved on the outer surface of the telescopic rod, two ends of the compression spring are fixedly connected with the protection plate and the projector body respectively, an installation cavity is arranged inside the projector body, a motor is fixedly connected inside the installation cavity, an output shaft of the motor is fixedly connected with a driving gear disc, the outer surface of the driving gear disc is connected with a driven gear disc in a meshed mode, a first threaded rod is fixedly connected to the axis of the driven gear disc, a belt is rotatably connected to the outer surface of the first threaded rod, a second threaded rod is rotatably connected to the other end of the belt, and two ends of the first threaded rod and the second threaded rod are rotatably connected with the projector body through bearings, the outer surfaces of the first threaded rod and the second threaded rod are in threaded connection with thread blocks, two thread blocks are fixedly connected with a lifting plate, and the top of the lifting plate is fixedly connected with a hook.
As a preferred technical scheme of the utility model, the inner wall fixedly connected with buffer spring of guard plate, buffer spring's the other end and projecting apparatus body fixed connection.
As an optimal technical scheme of the utility model, the export has been seted up at the top of projecting apparatus body, export and couple sliding connection.
As a preferred technical scheme of the utility model, the equal fixedly connected with of surface of first threaded rod and second threaded rod is spacing, spacing dish is located the both sides of belt.
As a preferred technical scheme of the utility model, the spout has been seted up to the inner wall of projecting apparatus body, one side fixedly connected with slider of screw thread piece, slider and spout sliding connection.
As an optimized technical scheme of the utility model, the outer fixed surface of motor is connected with the safety cover, and the safety cover is circular.
(III) advantageous effects
Compared with the prior art, the utility model provides a teacher uses portable projecting apparatus possesses following beneficial effect:
1. this teacher uses portable projecting apparatus, setting through the motor, drive initiative toothed disc and driven toothed disc and rotate, make first threaded rod follow and rotate together, rotate with the belt through first threaded rod and be connected and the belt rotates with the second threaded rod and be connected, when making first threaded rod pivoted, drive the second threaded rod and rotate, thereby drive lifter plate and couple and move up, it is external to be got in touch ejecting projecting apparatus originally, make it can hang on the car or hand-carry, increase the convenience, when not, also can pack up the couple, reduce area.
2. This teacher protects the projecting apparatus body through the setting of guard plate, avoids the projecting apparatus body to receive the collision and causes the damage, utilizes the flexible effect of telescopic link and compression spring's elasticity, has reduced the impact that the projecting apparatus body received, cooperates buffer spring, makes the protecting effect better.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the installation cavity of the present invention;
fig. 3 is an enlarged view of a structure in fig. 2 according to the present invention.
In the figure: 1. a protection plate; 2. a telescopic rod; 3. a projector body; 4. a compression spring; 5. a mounting cavity; 6. a motor; 7. a driving gear plate; 8. a driven gear plate; 9. a first threaded rod; 10. a belt; 11. a second threaded rod; 12. a thread block; 13. a lifting plate; 14. hooking; 15. a buffer spring; 16. an outlet; 17. a limiting disc; 18. a chute; 19. a slide block.
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.
Examples
Referring to fig. 1-3, the present invention provides the following technical solutions: a portable projector for teachers comprises a protection plate 1, wherein the top of the protection plate 1 is fixedly connected with a telescopic rod 2, the top end of the telescopic rod 2 is fixedly connected with a projector body 3, the outer surface of the telescopic rod 2 is sleeved with a compression spring 4, two ends of the compression spring 4 are respectively fixedly connected with the protection plate 1 and the projector body 3, an installation cavity 5 is arranged inside the projector body 3, a motor 6 is fixedly connected inside the installation cavity 5, an output shaft of the motor 6 is fixedly connected with a driving gear disc 7, the outer surface of the driving gear disc 7 is connected with a driven gear disc 8 in a meshing manner, a first threaded rod 9 is fixedly connected with the axis of the driven gear disc 8, the outer surface of the first threaded rod 9 is rotatably connected with a belt 10, the other end of the belt 10 is rotatably connected with a second threaded rod 11, two ends of the first threaded rod 9 and the second threaded rod 11 are rotatably connected with the projector body 3 through bearings, the outer surfaces of the first threaded rod 9 and the second threaded rod 11 are both in threaded connection with threaded blocks 12, a lifting plate 13 is fixedly connected between the two threaded blocks 12, and a hook 14 is fixedly connected to the top of the lifting plate 13.
In this embodiment, through the setting of motor 6, drive initiative toothed disc 7 and driven toothed disc 8 and rotate, make first threaded rod 9 follow and rotate together, rotate through first threaded rod 9 and belt 10 and be connected and belt 10 and second threaded rod 11 rotate and be connected, when making first threaded rod 9 pivoted, drive second threaded rod 11 and rotate, thereby drive lifter plate 13 and couple 14 rebound, outside 14 ejecting projecting apparatus bodies 3 with the couple, make it can hang on the car or hand-carry, increase the convenience, when not using, also can pack up couple 14, reduce area, setting through guard plate 1, protect projecting apparatus body 3, avoid projecting apparatus body 3 to receive the collision and cause the damage, utilize the flexible effect of telescopic link 2 and compression spring 4's elasticity, the impact that projecting apparatus body 3 received has been reduced.
Specifically, the inner wall fixedly connected with buffer spring 15 of guard plate 1, buffer spring 15's the other end and projecting apparatus body 3 fixed connection.
In this embodiment, through buffer spring 15, the impact that has further reduced projecting apparatus body 3 and received makes the guard effect better.
Specifically, the top of the projector body 3 is provided with an outlet 16, and the outlet 16 is slidably connected with the hook 14.
In this embodiment, the hook 14 is pushed out of the projector body 3 through the outlet 16.
Specifically, the outer surfaces of the first threaded rod 9 and the second threaded rod 11 are fixedly connected with limiting discs 17, and the limiting discs 17 are located on two sides of the belt 10.
In this embodiment, the limit disc 17 prevents the belt 10 from deviating during rotation.
Specifically, the inner wall of the projector body 3 is provided with a sliding groove 18, one side of the thread block 12 is fixedly connected with a sliding block 19, and the sliding block 19 is slidably connected with the sliding groove 18.
In this embodiment, the sliding block 19 is slidably connected to the sliding groove 18 to limit the screw block 12, thereby increasing the stability of the screw block 12 during movement.
Specifically, the outer surface of the motor 6 is fixedly connected with a protective cover which is circular.
In this embodiment, the protection cover is beneficial to protecting the motor 6 from being damaged.
The utility model discloses a theory of operation and use flow: when the projector body 3 needs to be carried, the motor 6 is turned on, the motor 6 drives the driving gear disc 7 to rotate, the driving gear disc 7 is meshed with the driven gear disc 8 and the driven gear disc 8 is fixedly connected with the first threaded rod 9, so that the driven gear disc 8 and the first threaded rod 9 are driven to rotate, the first threaded rod 9 is rotatably connected with the belt 10 and the belt 10 is rotatably connected with the second threaded rod 11, the second threaded rod 11 rotates along with the second threaded rod, the lifting plate 13 and the hook 14 are further driven to move upwards, the hook 14 is pushed out of the projector body 3 from the outlet 16, the projector body can be hung on a vehicle or carried with the vehicle, the convenience is improved, the projector body 3 is protected through the protection plate 1, the damage caused by collision to the projector body 3 is avoided, and the collision force applied to the projector body 3 is reduced by utilizing the telescopic effect of the telescopic rod 2 and the elasticity of the compression spring 4, and the protection effect is better by matching with the buffer spring 15.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a teacher uses portable projecting apparatus, includes guard plate (1), its characterized in that: the top of the protection plate (1) is fixedly connected with a telescopic rod (2), the top end of the telescopic rod (2) is fixedly connected with a projector body (3), a compression spring (4) is sleeved on the outer surface of the telescopic rod (2), two ends of the compression spring (4) are respectively fixedly connected with the protection plate (1) and the projector body (3), an installation cavity (5) is arranged inside the projector body (3), a motor (6) is fixedly connected inside the installation cavity (5), an output shaft of the motor (6) is fixedly connected with a driving gear disc (7), the outer surface of the driving gear disc (7) is meshed with a driven gear disc (8), a first threaded rod (9) is fixedly connected at the axis of the driven gear disc (8), a belt (10) is rotatably connected on the outer surface of the first threaded rod (9), and a second threaded rod (11) is rotatably connected at the other end of the belt (10), the both ends of first threaded rod (9) and second threaded rod (11) all rotate through bearing and projecting apparatus body (3) and be connected, the equal threaded connection of surface of first threaded rod (9) and second threaded rod (11) has screw thread piece (12), two fixedly connected with lifter plate (13) between screw thread piece (12), the top fixedly connected with couple (14) of lifter plate (13).
2. The teacher-used portable projector according to claim 1, wherein: the inner wall fixedly connected with buffer spring (15) of guard plate (1), the other end and projecting apparatus body (3) fixed connection of buffer spring (15).
3. The teacher-used portable projector according to claim 1, wherein: an outlet (16) is formed in the top of the projector body (3), and the outlet (16) is connected with the hook (14) in a sliding mode.
4. The teacher-used portable projector according to claim 1, wherein: the outer surface of the first threaded rod (9) and the outer surface of the second threaded rod (11) are fixedly connected with limiting discs (17), and the limiting discs (17) are located on two sides of the belt (10).
5. The teacher-used portable projector according to claim 1, wherein: the inner wall of the projector body (3) is provided with a sliding groove (18), one side of the thread block (12) is fixedly connected with a sliding block (19), and the sliding block (19) is in sliding connection with the sliding groove (18).
6. The teacher-used portable projector according to claim 1, wherein: the outer surface of the motor (6) is fixedly connected with a protective cover which is circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023124199.9U CN213780623U (en) | 2020-12-21 | 2020-12-21 | Teacher uses portable projecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023124199.9U CN213780623U (en) | 2020-12-21 | 2020-12-21 | Teacher uses portable projecting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213780623U true CN213780623U (en) | 2021-07-23 |
Family
ID=76899882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023124199.9U Active CN213780623U (en) | 2020-12-21 | 2020-12-21 | Teacher uses portable projecting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213780623U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113992899A (en) * | 2021-10-21 | 2022-01-28 | 浙江科比特科技有限公司 | Unmanned aerial vehicle passes back image composite graph equipment in real time |
-
2020
- 2020-12-21 CN CN202023124199.9U patent/CN213780623U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113992899A (en) * | 2021-10-21 | 2022-01-28 | 浙江科比特科技有限公司 | Unmanned aerial vehicle passes back image composite graph equipment in real time |
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