CN220891631U - Adjustable teaching projector - Google Patents
Adjustable teaching projector Download PDFInfo
- Publication number
- CN220891631U CN220891631U CN202322834460.1U CN202322834460U CN220891631U CN 220891631 U CN220891631 U CN 220891631U CN 202322834460 U CN202322834460 U CN 202322834460U CN 220891631 U CN220891631 U CN 220891631U
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- projector
- protection frame
- rotating rod
- movable column
- adjustable teaching
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- 230000001681 protective effect Effects 0.000 claims abstract description 13
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Abstract
The utility model discloses an adjustable teaching projector, which particularly relates to the technical field of projection, and comprises the following components: the protection frame is provided with a supporting piece at the bottom, and a projector is arranged in the protection frame; the adjusting mechanism comprises a rotating rod rotatably arranged at one end inside a protective frame, the projector is fixedly connected onto the rotating rod through a support, a gear is arranged on the outer wall of the rotating rod, a movable column is arranged on the inner side of the protective frame, one end of the movable column is connected with a toothed plate meshed with the gear, and the supporting piece comprises supporting columns symmetrically connected to two ends of the bottom of the protective frame. According to the utility model, through the arrangement of the movable column, the guide groove, the toothed plate, the gear, the rotating rod and other structures, the rotating rod can drive the projector to stably rotate up and down in the protective frame, so that the lens angle of the projector can be accurately and finely adjusted, the projection deviation can be corrected, and the using effect of the device is greatly improved.
Description
Technical Field
The utility model relates to the technical field of projection, in particular to an adjustable teaching projector.
Background
Projection refers to the projection of the shape of an object onto a plane using a set of light rays, known as projection, and the resulting image on the plane, also known as projection, is widely used as a projector, which is a device that projects images or video onto a curtain, most commonly used in homes, offices, schools, and recreational areas.
In the chinese patent of patent application number CN201821752378.7, an adjustable teaching projector is disclosed, the device is through going up and down to the projector, make it can take in the receiver, in order to prevent that the projector from taking place to collide with the damage, and in the chinese patent of patent application number CN201921314551.X, a projection arrangement for teaching is disclosed, the device is through fixing the projector centre gripping on the supporting frame board, in order to realize the installation use of projector, but current projection arrangement still has some shortfalls when using, for example, not set up the structure that can accurate regulation projector lens angle, the curtain projection has slight deviation to be difficult to correct, unable effective satisfying the use needs.
Therefore, it is necessary to invent an adjustable teaching projector to solve the above problems.
Disclosure of utility model
The utility model aims to provide an adjustable teaching projector, which can drive the projector to stably rotate up and down in a protective frame by arranging movable columns, guide grooves, toothed plates, gears, rotating rods and the like, so that the lens angle of the projector can be accurately and finely adjusted to correct projection deviation, the using effect of the device is greatly improved, and the defects in the technology are overcome.
In order to achieve the above object, the present utility model provides the following technical solutions: an adjustable teaching projector comprising:
The protection frame is provided with a supporting piece at the bottom, and a projector is arranged in the protection frame;
The adjusting mechanism comprises a rotating rod rotatably arranged at one end inside the protective frame, the projector is fixedly connected onto the rotating rod through a support, a gear is arranged on the outer wall of the rotating rod, a movable column is arranged on the inner side of the protective frame, and one end of the movable column is connected with a toothed plate meshed with the gear.
Preferably, the support piece comprises support columns symmetrically connected to two ends of the bottom of the protection frame, a base is arranged at the bottom end of each support column, and rollers are arranged at the bottom of the base.
Preferably, an electric push rod is arranged at the bottom end of the inside of the protection frame, and the output end of the electric push rod is connected with the movable column.
Preferably, a guide groove is formed in one side of the inner wall of the protection frame, and one end of the movable column is in sliding fit in the guide groove.
Preferably, a controller is installed on one side of the protection frame.
Preferably, the inside bottom side symmetry of protection frame has seted up the spout, the inside sliding connection of spout has the slider, and rotates between slider and the projecting apparatus and be connected with the bracing piece.
Preferably, the inside of slider is connected with the dead lever in a penetrating way, and the both ends of dead lever are all connected with the inner wall of spout.
In the technical scheme, the utility model has the technical effects and advantages that:
By arranging the movable column, the guide groove, the toothed plate, the gear, the rotating rod and other structures, the rotating rod can drive the projector to stably rotate up and down in the protective frame, so that the lens angle of the projector can be accurately and finely adjusted to correct projection deviation, and the using effect of the device is greatly improved;
And through setting up spout, slider and bracing piece isotructure, can form braced skeleton in the bottom of projecting apparatus, not only can effectually support the reinforcement to the projecting apparatus, can also carry out spacing guide to the projecting apparatus when the projecting apparatus rotates to the stability when having guaranteed the projecting apparatus rotation greatly.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a front view of the protective frame of the present utility model;
FIG. 3 is a schematic diagram of the structure of the protection frame of the present utility model when connected to a projector;
Fig. 4 is an enlarged view of a portion a in fig. 3;
Reference numerals illustrate:
1. A roller; 2. a base; 3. a support column; 4. a controller; 5. a protective frame; 6. a projector; 7. a rotating rod; 8. a support rod; 9. an electric push rod; 10. a slide block; 11. a movable column; 12. a guide groove; 13. a toothed plate; 14. a gear; 15. a chute; 16. and a fixing rod.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
The present utility model provides an adjustable teaching projector as shown in fig. 1-3, comprising:
the protection frame 5, the bottom of the protection frame 5 is provided with a supporting piece, and a projector 6 is installed in the protection frame 5;
Specifically, support piece includes the support column 3 of symmetry in protection frame 5 bottom both ends, and the bottom of support column 3 is provided with base 2, and the bottom of base 2 is equipped with gyro wheel 1.
From the above, the projector 6 can be protected by the protection frame 5 to prevent the projector 6 from being damaged by collision, the supporting column 3 can support the projector 6, and the roller 1 can move the projector 6 conveniently.
The projector 6 is fixedly connected to the rotating rod 7 through a bracket, a gear 14 is arranged on the outer wall of the rotating rod 7, a movable column 11 is arranged on the inner side of the protective frame 5, and one end of the movable column 11 is connected with a toothed plate 13 meshed with the gear 14;
Further, an electric push rod 9 is arranged at the bottom end of the inside of the protection frame 5, and the output end of the electric push rod 9 is connected with a movable column 11; one side of the inner wall of the protection frame 5 is provided with a guide groove 12, and one end of the movable column 11 is in sliding fit in the guide groove 12; a controller 4 is installed at one side of the protection frame 5.
Through the technical scheme:
When the projector is used, the electric push rod 9 is started through the controller 4, the electric push rod 9 drives the movable column 11 to move along the guide groove 12, then the movable column 11 can drive the toothed plate 13 to lift, the toothed plate 13 drives the gear 14 to rotate, then the gear 14 can drive the rotary rod 7 to rotate, the rotary rod 7 drives the projector 6 to rotate, and therefore the lens angle of the projector 6 can be accurately and finely adjusted, projection deviation can be corrected, and the using effect of the projector is greatly improved.
In a specific embodiment of the present utility model, referring to fig. 3 and 4, a chute 15 is symmetrically provided at the bottom side of the inside of the protection frame 5, a sliding block 10 is slidingly connected to the inside of the chute 15, and a supporting rod 8 is rotatably connected between the sliding block 10 and the projector 6; the inside of the sliding block 10 is connected with a fixed rod 16 in a penetrating way, and two ends of the fixed rod 16 are connected with the inner wall of the sliding groove 15.
Through the technical scheme:
specifically, a supporting framework can be arranged at the bottom of the projector 6 and consists of a chute 15, a sliding block 10 and a supporting rod 8, so that the projector 6 can be effectively supported and reinforced, when the projector 6 rotates, the supporting rod 8 can be driven to move, the supporting rod 8 drives the sliding block 10 to slide in the chute 15, and the projector 6 can be limited and guided under the movable fit of the structure, so that the stability of the projector 6 in rotation is greatly ensured;
By providing the fixing rod 16, the slider 10 can be moved along the fixing rod 16, thereby further improving the structural stability.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (7)
1. An adjustable teaching projector, comprising:
The protection device comprises a protection frame (5), wherein a supporting piece is arranged at the bottom of the protection frame (5), and a projector (6) is arranged in the protection frame (5);
The adjusting mechanism comprises a rotating rod (7) rotatably mounted at one end inside a protective frame (5), the projector (6) is fixedly connected onto the rotating rod (7) through a support, a gear (14) is arranged on the outer wall of the rotating rod (7), a movable column (11) is arranged on the inner side of the protective frame (5), and one end of the movable column (11) is connected with a toothed plate (13) meshed with the gear (14).
2. An adjustable teaching projector according to claim 1 and characterized in that: the support piece comprises support columns (3) symmetrically connected to two ends of the bottom of the protection frame (5), a base (2) is arranged at the bottom end of each support column (3), and idler wheels (1) are arranged at the bottom of each base (2).
3. An adjustable teaching projector according to claim 1 and characterized in that: the inside bottom of protection frame (5) is provided with electric putter (9), and the output of electric putter (9) is connected with movable column (11).
4. An adjustable teaching projector according to claim 1 and characterized in that: a guide groove (12) is formed in one side of the inner wall of the protection frame (5), and one end of the movable column (11) is in sliding fit in the guide groove (12).
5. An adjustable teaching projector according to claim 1 and characterized in that: one side of the protection frame (5) is provided with a controller (4).
6. An adjustable teaching projector according to claim 1 and characterized in that: the inside bottom side symmetry of protection frame (5) has seted up spout (15), the inside sliding connection of spout (15) has slider (10), and rotates between slider (10) and projecting apparatus (6) and be connected with bracing piece (8).
7. An adjustable teaching projector according to claim 6 and characterized in that: the inside of slider (10) is connected with dead lever (16) in a penetrating way, and the both ends of dead lever (16) are connected with the inner wall of spout (15).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322834460.1U CN220891631U (en) | 2023-10-23 | 2023-10-23 | Adjustable teaching projector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322834460.1U CN220891631U (en) | 2023-10-23 | 2023-10-23 | Adjustable teaching projector |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220891631U true CN220891631U (en) | 2024-05-03 |
Family
ID=90840885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202322834460.1U Active CN220891631U (en) | 2023-10-23 | 2023-10-23 | Adjustable teaching projector |
Country Status (1)
Country | Link |
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CN (1) | CN220891631U (en) |
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2023
- 2023-10-23 CN CN202322834460.1U patent/CN220891631U/en active Active
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