Projection display teaching device

Abstract

The utility model relates to the technical field of projection display teaching devices, and discloses a projection display teaching device which comprises a main body mechanism, a display mechanism is arranged at the top of the main body mechanism, a dustproof mechanism is arranged in the display mechanism, the main body mechanism comprises a base, a heat dissipation groove is formed in the bottom of the base, and a projection display is arranged in the heat dissipation groove. A supporting frame is fixedly connected to the top of the base, an anti-collision plate is fixedly connected to the surface of the supporting frame, a first elastic plate is fixedly connected to the top of the base, a second elastic plate is fixedly connected to the top of the base, and damping columns are fixedly connected to the surface of the anti-collision plate. The projection device can be protected through the first elastic plate and the second elastic plate, the collision can be buffered through the anti-collision plate, the effect of protecting the projection device can be achieved, the elastic plates are made of rubber, the surface of the projection device cannot be damaged or scratched when the projection device is attached, and the protection effect is good. The appearance of the projection device can be protected.

Description

Technical Field

[0001] The utility model relates to the technical field of projection display teaching devices, in particular to a projection display teaching device. Background Art

[0002] Projection is a teaching device that uses projection technology to project teaching content onto a specific surface, such as a whiteboard, wall or desktop. Students can directly observe and interact with the projected image. Projection technology can be used to display teaching content such as images, videos, and simulated experiments.

[0003] Existing projection display teaching devices are all used in classrooms. When students are not in class, they often play around in the classroom. If they accidentally bump into the projection device, it will cause certain damage. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a projection display teaching device.

[0005] The utility model is implemented by the following technical scheme: a projection display teaching device, comprising a main body mechanism, a display mechanism is arranged on the top of the main body mechanism, and a dustproof mechanism is arranged inside the display mechanism;

[0006] The main body structure includes a base, a heat dissipation groove is opened at the bottom of the base, a support frame is fixedly connected to the top of the base, an anti-collision plate is fixedly connected to the surface of the support frame, a first elastic plate is fixedly connected to the top of the base, a second elastic plate is fixedly connected to the top of the base, a shock-absorbing column is fixedly connected to the surface of the anti-collision plate, and the end of the shock-absorbing column away from the second elastic plate is fixedly connected to the third elastic plate.

[0007] As a further improvement of the above scheme, the main body structure includes a heat dissipation groove, there are two heat dissipation grooves, the two heat dissipation grooves are symmetrically distributed with the base as the center, there are two support frames, the two support frames are symmetrically distributed with the base as the center, there are two anti-collision plates, the two anti-collision plates are symmetrically distributed with the support frame as the center, and there are two second elastic plates.

[0008] As a further improvement of the above solution, the main body structure includes a first elastic plate, the first elastic plate is made of rubber, and the anti-collision plate is made of polyurethane. This material has a certain impact resistance and can absorb part of the energy during a collision to reduce damage.

[0009] As a further improvement of the above scheme, the display mechanism includes a projection device, the projection device contacts the top of the base, a lens is fixedly connected to the front of the projection device, a prompt light is fixedly connected to the front of the projection device, an adjustment button is fixedly connected to the top of the projection device, a speaker is fixedly connected to the left side of the projection device, a charging port is fixedly connected to the left side of the projection device, and a heat dissipation hole is opened on the back of the projection device.

[0010] As a further improvement of the above solution, the display mechanism includes six adjustment buttons, which are equidistantly distributed, and the heat dissipation holes are multiple, which are equidistantly distributed.

[0011] Through the above technical solution, the first elastic plate, the second elastic plate and the third elastic plate are respectively attached to the surface of the projection device, so that the projection device can be fixed and the surface of the projection device can be protected.

[0012] As a further improvement of the above solution, the dust-proof mechanism includes a filter plate, the filter plate is slidably connected to the inside of the projection device, and a cover is fixedly connected to the top of the filter plate.

[0013] As a further improvement of the above solution, the dust-proof mechanism includes a cover, and the cover contacts the top of the projection device.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] The utility model can protect the projection device through the first elastic plate and the second elastic plate, and the anti-collision plate can buffer the impact, so as to achieve the effect of protecting the projection device. The elastic plate is made of rubber material, and will not cause damage to the surface of the projection device or scratches when it is attached to the projection device, so as to protect the appearance of the projection device.

[0016] The utility model can make the projection device work by controlling the adjustment button, and the work of the projection device can make the lens project the required picture. Through the long-term work of the projection device, the heat inside the device will be dissipated from the heat dissipation holes, and the filter plate can protect the interior of the projection device to prevent dust and impurities from entering the interior of the projection device. If the filter plate needs to be replaced or cleaned, it only needs to pull the cover to separate the filter plate from the projection device and clean the filter plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of the projection display teaching device of the utility model;

[0018] Figure 2 This is a schematic diagram of the bottom structure of the base of the projection display teaching device of the utility model;

[0019] Figure 3 This is a schematic diagram of the display mechanism structure of the projection display teaching device of the utility model;

[0020] Figure 4 This is a schematic diagram of the overall structure of the dust-proof mechanism of the projection display teaching device of the utility model;

[0021] Figure 5 It is a schematic diagram of the overall structure of the back side of the projection device of the projection display teaching device of the utility model.

[0022] Description of main symbols:

[0023] 1. Main body; 101. Base; 102. Heat dissipation slot; 103. Support frame; 104. Anti-collision plate; 105. First elastic plate; 106. Second elastic plate; 107. Shock-absorbing column; 108. Third elastic plate; 2. Display mechanism; 201. Projection device; 202. Lens; 203. Prompt light; 204. Adjustment button; 205. Speaker; 206. Charging port; 207. Heat dissipation hole; 3. Dust-proof mechanism; 301. Filter plate; 302. Cover. DETAILED DESCRIPTION

[0024] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0025] Example:

[0026] Please combine Figure 1-5 A projection display teaching device of this embodiment includes a main body mechanism 1, a display mechanism 2 is arranged on the top of the main body mechanism 1, and a dustproof mechanism 3 is arranged inside the display mechanism 2;

[0027] The main body mechanism 1 includes a base 101, a heat dissipation groove 102 is opened at the bottom of the base 101, a support frame 103 is fixedly connected to the top of the base 101, an anti-collision plate 104 is fixedly connected to the surface of the support frame 103, a first elastic plate 105 is fixedly connected to the top of the base 101, a second elastic plate 106 is fixedly connected to the top of the base 101, a shock-absorbing column 107 is fixedly connected to the surface of the anti-collision plate 104, and a third elastic plate 108 is fixedly connected to one end of the shock-absorbing column 107 away from the second elastic plate 106. The main body mechanism 1 includes a heat dissipation groove 102, and there are two heat dissipation grooves 102, and the two heat dissipation grooves 102 are symmetrically distributed with the base 101 as the center, there are two support frames 103, and the two support frames 103 are symmetrically distributed with the base 101 as the center, and the anti-collision plate There are two anti-collision plates 104, which are symmetrically distributed with the support frame 103 as the center. There are two second elastic plates 106. The main body 1 includes a first elastic plate 105, which is made of rubber. The anti-collision plate 104 is made of polyurethane, which has a certain impact resistance and can absorb part of the energy during a collision to reduce damage. The projection device 201 can be protected by the first elastic plate 105 and the second elastic plate 106, and the anti-collision plate 104 can buffer the impact, thereby protecting the projection device 201. The elastic plate is made of rubber, and when it is attached to the projection device 201, it will not cause damage to the surface of the projection device 201 or scratches, thereby protecting the appearance of the projection device 201.

[0028] The display mechanism 2 includes a projection device 201, which contacts the top of the base 101, a lens 202 is fixedly connected to the front of the projection device 201, a prompt light 203 is fixedly connected to the front of the projection device 201, an adjustment button 204 is fixedly connected to the top of the projection device 201, a speaker 205 is fixedly connected to the left side of the projection device 201, a charging port 206 is fixedly connected to the left side of the projection device 201, and a heat dissipation hole 207 is opened on the back of the projection device 201. The display mechanism 2 includes six adjustment buttons 204, and the six adjustment buttons 204 are equidistantly distributed, and there are a plurality of heat dissipation holes 207, and the plurality of adjustment buttons 204 are equidistantly distributed.

[0029] The dustproof mechanism 3 includes a filter plate 301, which is slidably connected to the inside of the projection device 201. A cover 302 is fixedly connected to the top of the filter plate 301. The dustproof mechanism 3 includes a cover 302, which contacts the top of the projection device 201. The projection device 201 can be operated by controlling the adjustment button 204. The operation of the projection device 201 can make the lens 202 project the required picture. Through the long-term operation of the projection device 201, the heat inside the device will be dissipated from the heat dissipation holes 207, and the filter plate 301 can protect the inside of the projection device 201 to prevent dust and impurities from entering the inside of the projection device 201. If the filter plate 301 needs to be replaced or cleaned, it only needs to pull the cover 302 to separate the filter plate 301 from the projection device 201 and clean the filter plate 301.

[0030] The implementation principle of a projection display teaching device in the embodiment of the present application is as follows: the projection device 201 can be protected by the first elastic plate 105 and the second elastic plate 106, and the anti-collision plate 104 can buffer the collision, so as to achieve the effect of protecting the projection device 201, and the material of the elastic plate is rubber material, and when it is attached to the projection device 201, it will not cause damage to the surface of the projection device 201, and scratches will not be generated, so as to protect the appearance of the projection device 201, and the projection device 201 can be operated by controlling the adjustment button 204, and the lens 202 can project the required picture through the operation of the projection device 201, and the heat inside the device will be dissipated from the heat dissipation holes 207 through the long-term operation of the projection device 201, and the filter plate 301 can protect the interior of the projection device 201 to prevent dust and impurities from entering the interior of the projection device 201, and if the filter plate 301 needs to be replaced or cleaned, it is only necessary to pull the cover 302 to separate the filter plate 301 from the projection device 201 and clean the filter plate 301.

[0031] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A projection display teaching device, characterized in that: It comprises a main body mechanism (1), a display mechanism (2) is arranged on the top of the main body mechanism (1), and a dustproof mechanism (3) is arranged inside the display mechanism (2); The main body mechanism (1) comprises a base (101), a heat dissipation groove (102) is provided at the bottom of the base (101), a support frame (103) is fixedly connected to the top of the base (101), an anti-collision plate (104) is fixedly connected to the surface of the support frame (103), a first elastic plate (105) is fixedly connected to the top of the base (101), a second elastic plate (106) is fixedly connected to the top of the base (101), a shock absorbing column (107) is fixedly connected to the surface of the anti-collision plate (104), and a third elastic plate (108) is fixedly connected to one end of the shock absorbing column (107) away from the second elastic plate (106).

2. A projection display teaching device as claimed in claim 1, characterized in that: The main body structure (1) comprises a heat dissipation slot (102), wherein there are two heat dissipation slots (102), and the two heat dissipation slots (102) are symmetrically distributed with the base (101) as the center; there are two support frames (103), and the two support frames (103) are symmetrically distributed with the base (101) as the center; there are two anti-collision plates (104), and the two anti-collision plates (104) are symmetrically distributed with the support frame (103) as the center; and there are two second elastic plates (106).

3. A projection display teaching device as claimed in claim 1, characterized in that: The main body structure (1) includes a first elastic plate (105), the first elastic plate (105) is made of rubber material, and the anti-collision plate (104) is made of polyurethane. This material has a certain impact resistance and can absorb part of the energy during a collision to reduce damage.

4. A projection display teaching device as claimed in claim 1, characterized in that: The display mechanism (2) comprises a projection device (201), the projection device (201) contacts the top of the base (101), a lens (202) is fixedly connected to the front of the projection device (201), a prompt light (203) is fixedly connected to the front of the projection device (201), an adjustment button (204) is fixedly connected to the top of the projection device (201), a speaker (205) is fixedly connected to the left side of the projection device (201), a charging port (206) is fixedly connected to the left side of the projection device (201), and a heat dissipation hole (207) is provided on the back of the projection device (201).

5. A projection display teaching device as claimed in claim 4, characterized in that: The display mechanism (2) comprises an adjustment button (204), wherein the number of the adjustment buttons (204) is six and the six adjustment buttons (204) are distributed at equal distances, and the number of the heat dissipation holes (207) is a plurality and the plurality of adjustment buttons (204) are distributed at equal distances.

6. A projection display teaching device as claimed in claim 4, characterized in that: The dustproof mechanism (3) comprises a filter plate (301), the filter plate (301) is slidably connected to the inside of the projection device (201), and a cover (302) is fixedly connected to the top of the filter plate (301).

7. A projection display teaching device as claimed in claim 6, characterized in that: The dust-proof mechanism (3) comprises a cover (302), and the cover (302) contacts the top of the projection device (201).

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