CN215494527U - Novel computer multimedia projection device - Google Patents
Novel computer multimedia projection device Download PDFInfo
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- CN215494527U CN215494527U CN202122358282.0U CN202122358282U CN215494527U CN 215494527 U CN215494527 U CN 215494527U CN 202122358282 U CN202122358282 U CN 202122358282U CN 215494527 U CN215494527 U CN 215494527U
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- telescopic rod
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Abstract
The utility model discloses a novel computer multimedia projection device, and belongs to the technical field of projection devices. A novel computer multimedia projection device comprises a mounting plate, a dust cover and an adjusting mechanism, wherein a fixed rod is arranged on the lower surface of the mounting plate, an adjusting box is arranged at one end, away from the mounting plate, of the fixed rod, the adjusting mechanism is arranged in the adjusting box and connected with a rotary table, an electric telescopic rod is arranged on the lower surface of the rotary table, a first fixed plate is arranged on the outer surface of the electric telescopic rod, first connecting grooves are formed in the left surface and the right surface of the first fixed plate, and rotating blocks are hinged in the first connecting grooves; the utility model effectively solves the problems that dust is easy to accumulate on the surface of the projection device, so that the projection effect is influenced, and the direction of the existing projection device can not be adjusted according to the requirement.
Description
Technical Field
The utility model relates to the technical field of projection devices, in particular to a novel computer multimedia projection device.
Background
Projectors (also called projectors) are also called "writing projectors". A projection optical instrument for providing a large-size screen. On the basis of the direct projection projector, a reflector is added to change the light path, so that the image of the projection film flatly placed on the object carrying glass is projected onto the screen. Compared with a slide show, the slide show has the following characteristics that the slide show can be directly written on the projection sheet to replace a blackboard; the distance from the screen is short, but a large and bright image can be generated; when in use, tight shading is not needed; the demonstration experiment can be carried out by using the projection teaching aid.
At present, the existing projection device is mostly exposed, so that excessive dust is accumulated on the surface of the projection device for a long time, the projection effect is influenced, and the direction of the existing projection device cannot be adjusted according to the requirement.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
The utility model aims to provide a novel computer multimedia projection device to solve the problems in the prior art:
the surface of the existing projection device is easy to accumulate dust, so that the projection effect is influenced, and the existing projection device cannot be subjected to direction adjustment according to the requirement.
2. Technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme:
a novel computer multimedia projection device comprises a mounting plate, a dustproof cover and an adjusting mechanism, wherein a fixed rod is arranged on the lower surface of the mounting plate, an adjusting box is arranged at one end, away from the mounting plate, of the fixed rod, the adjusting mechanism is arranged in the adjusting box and connected with a turntable, an electric telescopic rod is arranged on the lower surface of the turntable, a first fixed plate is arranged on the outer surface of the electric telescopic rod, first connecting grooves are formed in the left surface and the right surface of the first fixed plate, two first connecting grooves are hinged with rotating blocks, the two rotating blocks are respectively and fixedly connected with two connecting plates, the dustproof cover is arranged on the lower surfaces of the two connecting plates, the lower end of the electric telescopic rod is arranged between the two dustproof covers, a second fixed plate is arranged at the lower end of the electric telescopic rod, a connecting block is arranged on the lower surface of the second fixed plate, and a projection device is arranged on the lower surface of the connecting block, and the left side and the right side of the second fixed plate are both provided with a connecting rod mechanism.
Preferably, the link mechanism is including the connecting rod, spread groove two has all been seted up at the connecting rod both ends, it has fixed block one to articulate in the spread groove two of connecting rod upper end, it has fixed block two to articulate in the spread groove two of connecting rod lower extreme, fixed block one and two fixed connection of fixed plate, fixed block two and dust cover inboard fixed surface are connected, all articulated through cylindric lock two between fixed block one and fixed block two and the spread groove two.
Preferably, the two rotating blocks are hinged with the two connecting grooves through cylindrical pins I.
Preferably, adjustment mechanism is including servo motor, servo motor's output shaft and gear one fixed connection, gear one is connected with the meshing of gear two, two lower extremes of gear are provided with the rotary rod, rotary rod surface lower extreme is provided with antifriction bearing, antifriction bearing sets up at the regulation box lower surface, terminal surface and carousel fixed connection under the rotary rod.
3. Advantageous effects
The utility model can carry out dust protection on the projection device when the projection device is idle through the arranged dust cover and the connecting rod mechanism, can carry out adjustment in different directions on the projection device through the arranged adjusting mechanism so as to be convenient for users to carry out projection use in different directions, when the projection device is used, the mounting plate is arranged on a ceiling through the screw, when the projection device is needed to be used, the electric telescopic rod is powered on, the electric telescopic rod extends out to push the projection device and the fixing plate II to move downwards, the fixing plate II moves downwards, the connecting rod rotates downwards through the fixing block I and the fixing block II, the rotating rod pushes towards two sides while rotating, thereby pushing the two dust covers to rotate towards two sides, the dust covers are hinged with the connecting groove I through the rotating block II, so that the dust covers can be rotated and opened, the projection device can move downwards, and the two dust covers can be exposed, the projection device is used, after the projection device is used, the electric telescopic rod retracts, the projection device and the second fixing plate are driven to retract together, the second fixing plate drives the connecting rod to rotate and reset, the rotary rod drives the two dust covers to be closed, the projection device is protected from dust, when the projection device is used and needs direction adjustment, the servo motor is powered on, the output shaft of the servo motor starts to rotate, the first gear is driven to rotate through the output shaft, the second meshed gear is driven to rotate, the second gear drives the rotary rod to rotate, the electric telescopic rod is driven to rotate through the rotary disc, and the projection device can be driven to rotate through the rotation of the electric telescopic rod, so that the direction adjustment is carried out, and the projections in different directions can be used conveniently; the utility model effectively solves the problems that dust is easy to accumulate on the surface of the projection device, so that the projection effect is influenced, and the direction of the existing projection device can not be adjusted according to the requirement.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a three-dimensional view of the present invention;
FIG. 3 is a structural view of a link mechanism of the present invention;
fig. 4 is a structural view of an adjusting mechanism of the present invention.
The reference numbers in the figures illustrate:
1. mounting a plate; 2. fixing the rod; 3. an adjustment box; 4. a turntable; 5. an electric telescopic rod; 6. a first fixing plate; 7. a dust cover; 8. a link mechanism; 801. a connecting rod; 802. a first fixed block; 803. a second fixed block; 804. connecting groove two; 9. a connecting plate; 10. rotating the block; 11. a projection device; 12. a second fixing plate; 13. a first cylindrical pin; 14. a second cylindrical pin; 15. an adjustment mechanism; 1501. a servo motor; 1502. a first gear; 1503. a second gear; 1504. rotating the rod; 1505. a rolling bearing.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to fig. 1-3, a novel computer multimedia projector comprises a mounting plate 1, a dust cover 7 and an adjusting mechanism 15, wherein a fixing rod 2 is arranged on the lower surface of the mounting plate 1, an adjusting box 3 is arranged at one end of the fixing rod 2 away from the mounting plate 1, the adjusting mechanism 15 is arranged in the adjusting box 3, the adjusting mechanism 15 is connected with a rotary table 4, an electric telescopic rod 5 is arranged on the lower surface of the rotary table 4, a first fixing plate 6 is arranged on the outer surface of the electric telescopic rod 5, a first connecting groove is formed on the left surface and the right surface of the first fixing plate 6, a rotating block 10 is hinged in the first connecting groove, the two rotating blocks 10 are respectively fixedly connected with two connecting plates 9, the dust cover 7 is arranged on the lower surfaces of the two connecting plates 9, the lower end of the electric telescopic rod 5 is arranged between the two dust covers 7, a second fixing plate 12 is arranged on the lower surface of the electric telescopic rod 5, and a connecting block is arranged on the lower surface of the second fixing plate 12, the lower surface of the connecting block is provided with a projection device 11, and the left side and the right side of the second fixing plate 12 are provided with link mechanisms 8.
The link mechanism 8 comprises a connecting rod 801, two connecting grooves 804 are formed in two ends of the connecting rod 801, a first fixing block 802 is hinged in the second connecting groove 804 in the upper end of the connecting rod 801, a second fixing block 803 is hinged in the second connecting groove 804 in the lower end of the connecting rod 801, the first fixing block 802 is fixedly connected with a second fixing plate 12, the second fixing block 803 is fixedly connected with the inner side surface of the dust cover 7, and the first fixing block 802 and the second fixing block 803 are hinged with the second connecting groove 804 through a second cylindrical pin 14.
The two rotating blocks 10 are hinged with the two connecting grooves I through cylindrical pins I13.
The utility model can carry out dust protection on the projection device 11 when the projection device is idle through the arranged dust cover 7 and the link mechanism 8, can carry out adjustment on the projection device 11 in different directions through the arranged adjusting mechanism 15 so as to be convenient for users to carry out projection use in different directions, when the utility model is used, the mounting plate 1 is mounted on a ceiling through screws, when the utility model needs to be used, the electric telescopic rod 5 is powered on, the electric telescopic rod 5 extends out, thereby the projection device 11 and the fixed plate two 12 are pushed to move downwards, the fixed plate two 12 moves downwards, simultaneously, the connecting rod 801 rotates downwards through the fixed block one 802 and the fixed block two 803, the rotating rod 1504 pushes towards two sides while rotating, thereby pushing the two dust covers to rotate towards two sides, the dust covers 7 are hinged with the connecting groove one through the rotating block two 10, thereby being capable of rotating and opening, and when the projection device 11 moves downwards, can thereby expose between two dust covers 7 and expose to carry out projected use, the back of finishing using, electric telescopic handle 5 withdrawal, thereby drive two 12 of projection device 11 and fixed plate together withdraws, drive the rotatory resetting of connecting rod through two 12 of fixed plate, rotary rod 1504 drives two dust covers 7 and closes, thereby carries out dustproof protection to projection device 11.
Example 2:
referring to fig. 4, the adjusting mechanism 15 includes a servo motor 1501, an output shaft of the servo motor 1501 is fixedly connected to a first gear 1502, the first gear 1502 is meshed with a second gear 1503, a rotating rod 1504 is disposed at a lower end of the second gear 1503, a rolling bearing 1505 is disposed at a lower end of an outer surface of the rotating rod 1504, the rolling bearing 1505 is disposed at a lower surface of the adjusting box 3, and a lower end surface of the rotating rod 1504 is fixedly connected to the turntable 4.
When the projection device 11 needs to be adjusted in a direction, the servo motor 1501 is powered on, the output shaft of the servo motor 1501 starts to rotate, the first gear 1502 is driven to rotate through the output shaft, then the second gear 1503 which is meshed with the first gear is driven to rotate, the second gear 1503 drives the rotating rod 1504 to rotate, then the electric telescopic rod 5 is driven to rotate through the turntable 4, and the projection device 11 can be driven to rotate through the rotation of the electric telescopic rod 5 so as to adjust the direction and use projections in different directions; the utility model effectively solves the problems that dust is easy to accumulate on the surface of the projection device 11, thereby influencing the projection effect, and the existing projection device 11 can not adjust the direction according to the requirement.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.
Claims (4)
1. The utility model provides a novel computer multimedia projection device, includes mounting panel (1), dust cover (7) and adjustment mechanism (15), its characterized in that: the lower surface of the mounting plate (1) is provided with a fixing rod (2), one end of the fixing rod (2) far away from the mounting plate (1) is provided with an adjusting box (3), an adjusting mechanism (15) is arranged in the adjusting box (3), the adjusting mechanism (15) is connected with a turntable (4), the lower surface of the turntable (4) is provided with an electric telescopic rod (5), the outer surface of the electric telescopic rod (5) is provided with a first fixing plate (6), the left surface and the right surface of the first fixing plate (6) are respectively provided with a first connecting groove, two first connecting grooves are internally hinged with a rotating block (10), the two rotating blocks (10) are respectively and fixedly connected with two connecting plates (9), the lower surfaces of the two connecting plates (9) are respectively provided with dust covers (7), the lower end of the electric telescopic rod (5) is arranged between the two dust covers (7), the lower end of the electric telescopic rod (5) is provided with a second fixing plate (12), the lower surface of the second fixing plate (12) is provided with a connecting block, the lower surface of the connecting block is provided with a projection device (11), and the left side and the right side of the second fixing plate (12) are provided with link mechanisms (8).
2. The novel computer multimedia projection device of claim 1, wherein: link mechanism (8) are including connecting rod (801), connecting rod (801) both ends have all been seted up spread groove two (804), it has fixed block one (802) to articulate in spread groove two (804) of connecting rod (801) upper end, it has fixed block two (803) to articulate in spread groove two (804) of connecting rod (801) lower extreme, fixed block one (802) and fixed plate two (12) fixed connection, fixed block two (803) and dust cover (7) inboard fixed surface are connected, all articulate through cylindric lock two (14) between fixed block one (802) and fixed block two (803) and the spread groove two (804).
3. The novel computer multimedia projection device of claim 2, wherein: the two rotating blocks (10) are hinged with the two connecting grooves I through cylindrical pins I (13).
4. The novel computer multimedia projection device of claim 1, wherein: the adjusting mechanism (15) comprises a servo motor (1501), an output shaft of the servo motor (1501) is fixedly connected with a first gear (1502), the first gear (1502) is meshed with a second gear (1503) to be connected, a rotating rod (1504) is arranged at the lower end of the second gear (1503), a rolling bearing (1505) is arranged at the lower end of the outer surface of the rotating rod (1504), the rolling bearing (1505) is arranged on the lower surface of the adjusting box (3), and the lower end face of the rotating rod (1504) is fixedly connected with the turntable (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122358282.0U CN215494527U (en) | 2021-09-28 | 2021-09-28 | Novel computer multimedia projection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122358282.0U CN215494527U (en) | 2021-09-28 | 2021-09-28 | Novel computer multimedia projection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215494527U true CN215494527U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122358282.0U Active CN215494527U (en) | 2021-09-28 | 2021-09-28 | Novel computer multimedia projection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215494527U (en) |
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2021
- 2021-09-28 CN CN202122358282.0U patent/CN215494527U/en active Active
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