CN221146111U - Projection arrangement under education science and technology line - Google Patents

Abstract

The utility model discloses an educational science and technology offline projection device, which belongs to the technical field of projection equipment and comprises a sliding cabin, wherein a positive motor and a negative motor are fixedly arranged on the left side surface of the sliding cabin, the output end of the positive motor is fixedly connected with a threaded rod, two bearings are fixedly embedded on the inner side wall of the sliding cabin, the inner rings of the two bearings are fixedly connected with the threaded rod together, a sliding block is connected with the outer surface of the threaded rod in a threaded manner, the threaded rod is driven by the positive motor and the negative motor to rotate so as to drive the sliding block, an electric push rod, a moving plate, a rotating motor and a connecting plate to move left and right, the position of a projector body can be flexibly adjusted, the moving plate, the rotating motor and the connecting plate are pushed by the electric push rod, the height of the projector body can be adjusted to a proper position, and the connecting plate is driven by the rotating motor to slowly rotate, so that the angle of the projector body can be comprehensively adjusted.

Description

Projection arrangement under education science and technology line

Technical Field

The utility model relates to the field of projection equipment, in particular to an under-line projection device for education and science and technology.

Background

The function of projection equipment is to throw the picture and show on the wall, and the picture is bigger, generally we can select projection movie and television picture, PPT etc. projection equipment's effect is comparatively more, we can watch movie or video, also can play business or teaching with the projector, intelligent projector can also regard as bluetooth stereo set to use, the function is mainly to play video, business demonstration, teaching demonstration, large screen display scheme, as audio-visual entertainment equipment in hotel and the amusement place, present projector supports functions such as zoom, focusing, correction, intelligent projector can also install software, watch online video etc..

The chinese patent with bulletin number CN217402117U discloses a projection arrangement for online education, including mounting panel, casing, locating piece, constant head tank and slide bar, the left end fixedly connected with fixed plate and the fixed block at casing top, the left side fixed mounting of fixed block has electric putter, electric putter's the end fixedly connected with pinion rack, the inboard of fixed plate is through bearing swing joint has the axis of rotation, the equal fixedly connected with gear in front and back both ends of axis of rotation surface, the middle-end fixedly connected with connecting block of axis of rotation surface, but be inconvenient for adjusting projection equipment's position in the above-mentioned patent, lead to projected effect relatively poor, and can not carry out comprehensive rotation to projection equipment's angle, consequently, skilled person provides an education science and technology projection arrangement under the line to solve the problem that proposes in the above-mentioned background art.

Disclosure of utility model

The present utility model is directed to an offline projection device for education technology, which solves the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a projection arrangement under education and technological line, includes the storehouse of sliding, the left surface fixed mounting in storehouse of sliding has positive and negative motor, the output fixedly connected with threaded rod of positive and negative motor, the inside wall in storehouse of sliding is fixed to be inlayed and is had two bearings, two the inner circle of bearing is fixedly connected with threaded rod jointly, the surface threaded connection of threaded rod has the sliding block, the bottom surface fixed mounting of sliding block has electric putter, electric putter's flexible fixed mounting has the movable plate, the bottom surface fixed mounting of movable plate has the rotating electrical machines, the output fixed mounting of rotating electrical machines has the connecting plate, the bottom surface fixed mounting of connecting plate has the projecting apparatus body.

As still further aspects of the utility model: the inner top wall of the sliding bin is provided with a first sliding groove, a first sliding block is connected inside the first sliding groove in a sliding mode, and the outer surface of the first sliding block is fixedly connected with the upper surface of the sliding block.

As still further aspects of the utility model: the front surface of the sliding bin is fixedly provided with a controller, and the positive and negative motor, the electric push rod and the rotating motor are electrically connected with the controller through wires.

As still further aspects of the utility model: the left side surface and the right side surface of the sliding bin are fixedly connected with mounting plates, and four threaded holes are formed in the upper surfaces of the two mounting plates.

As still further aspects of the utility model: the bottom surface of one mounting plate is fixedly provided with a fixed block, and the bottom surface of the fixed block is fixedly connected with the outer surface of the positive and negative motor.

As still further aspects of the utility model: the bottom surface of the sliding bin is fixedly connected with a placement bucket, and three ventilation openings are formed in the left side surface of the placement bucket.

As still further aspects of the utility model: the upper surface of connecting plate has seted up the second spout, the inside sliding connection of second spout has two second sliders, two the upper surface of second slider all with the bottom surface fixed connection of rotating electrical machines.

Compared with the prior art, the utility model has the beneficial effects that:

This projection arrangement under education science and technology line drives the threaded rod through the positive and negative motor that sets up and rotates, drives the sliding block when making the threaded rod rotatory, electric putter, movable plate, rotating electrical machines and connecting plate and control and remove, can adjust the position of projecting apparatus body in a flexible way then, utilize the electric putter that sets up to promote movable plate, rotating electrical machines and connecting plate, can highly adjust to suitable position to the projecting apparatus body, drive the connecting plate through the rotating electrical machines that sets up and carry out slow rotation to can make the angle of projecting apparatus body carry out comprehensive regulation, the flexibility when using has been improved.

Drawings

FIG. 1 is a schematic diagram showing the front view of an educational projection device;

FIG. 2 is an enlarged schematic view of the structure of the projection device under the education technical line shown in FIG. 1;

FIG. 3 is a front cross-sectional view of an educational projection device;

fig. 4 is a schematic side view of an educational projection device.

In the figure: 1. a sliding bin; 2. a forward and reverse motor; 3. a bearing; 4. a threaded rod; 5. a sliding block; 6. an electric push rod; 7. a moving plate; 8. a connecting plate; 9. a projector body; 10. a mounting plate; 11. a threaded hole; 12. a first chute; 13. a first slider; 14. a second chute; 15. a second slider; 16. a controller; 17. a bucket is arranged; 18. a vent; 19. a fixed block; 20. a rotating electric machine.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

Referring to fig. 1 to 4, in an embodiment of the present utility model, an offline projection device for education and science, which includes a sliding cabin 1, a forward and reverse motor 2 is fixedly installed on a left side surface of the sliding cabin 1, an output end of the forward and reverse motor 2 is fixedly connected with a threaded rod 4, two bearings 3 are fixedly embedded on an inner side wall of the sliding cabin 1, inner rings of the two bearings 3 are fixedly connected with the threaded rod 4 together, a sliding block 5 is screwed on an outer surface of the threaded rod 4, an electric push rod 6 is fixedly installed on a bottom surface of the sliding block 5, a moving plate 7 is fixedly installed on a telescopic end of the electric push rod 6, a rotating motor 20 is fixedly installed on a bottom surface of the moving plate 7, a connecting plate 8 is fixedly installed at an output end of the rotating motor 20, and a projector body 9 is fixedly installed on a bottom surface of the connecting plate 8.

The first spout 12 has been seted up to the interior roof of sliding storehouse 1, the inside sliding connection of first spout 12 has first slider 13, the surface of first slider 13 and the last fixed surface of sliding block 5 are connected, can make the removal of sliding block 5 more stable through first spout 12 and first slider 13 that set up, the front fixed mounting of sliding storehouse 1 has controller 16, positive and negative motor 2, electric putter 6 and rotating electrical machines 20 all are connected with the controller 16 electricity through the wire, utilize the controller 16 that sets up to start projection arrangement that can be convenient, the equal fixedly connected with mounting panel 10 of left and right sides face of sliding storehouse 1, four screw holes 11 have all been seted up to the upper surface of two mounting panels 10, can carry out fixed mounting to sliding storehouse 1 through two mounting panels 10 that set up and eight screw holes 11.

The bottom surface fixed mounting who one of them mounting panel 10 has fixed block 19, the bottom surface of fixed block 19 and the surface fixed connection of positive and negative motor 2, utilize fixed block 19 that sets up can support positive and negative motor 2, the bottom surface fixedly connected with of sliding storehouse 1 settles fill 17, three vent 18 has been seted up to the left surface of settling fill 17, settle fill 17 through setting up and can protect projector body 9, utilize three vent 18 that set up can ventilate the heat dissipation, second spout 14 has been seted up to the upper surface of connecting plate 8, the inside sliding connection of second spout 14 has two second sliders 15, the upper surface of two second sliders 15 all is with the bottom surface fixed connection of rotating electrical machines 20, the rotation of rotating electrical machines 20 can be more stable through second spout 14 and two second sliders 15 that set up.

The working principle of the utility model is as follows: when the position of the projector body 9 is adjusted, the device is connected with a power supply, then the positive and negative motor 2 is started to drive the threaded rod 4 to rotate and drive the sliding block 5 to move, the electric push rod 6 is started to operate in the moving process, the height of the projector body 9 is adjusted to a proper position, then the rotating motor 20 is started to drive the connecting plate 8 and slowly rotate under the cooperation of the second sliding groove 14 and the two second sliding blocks 15, the position, the height and the angle of the projector body 9 can be adjusted, and the device can be moved into the placement bucket 17 after the use is completed.

While the utility model has been described with reference to the preferred embodiments, it will be apparent to those skilled in the art that the utility model is not limited to the details of the exemplary embodiments and that the utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof, as long as the scope of the utility model is defined by the claims and its spirit and scope. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (7)

1. The utility model provides a projection arrangement under education and technological line, includes slide storehouse (1), its characterized in that, the left surface fixed mounting who slides storehouse (1) has positive and negative motor (2), the output fixedly connected with threaded rod (4) of positive and negative motor (2), the inside wall of sliding storehouse (1) is fixed to be inlayed and is had two bearings (3), two the inner circle of bearing (3) is fixedly connected with threaded rod (4) jointly, the surface threaded connection of threaded rod (4) has sliding block (5), the bottom surface fixed mounting of sliding block (5) has electric putter (6), the flexible fixed mounting of electric putter (6) has movable plate (7), the bottom surface fixed mounting of movable plate (7) has rotating electrical machines (20), the output fixedly mounted of rotating electrical machines (20) has connecting plate (8), the bottom surface fixed mounting of connecting plate (8) has projecting apparatus body (9).

2. The educational science and technology line projection device according to claim 1, wherein the inner top wall of the sliding cabin (1) is provided with a first sliding groove (12), a first sliding block (13) is slidably connected in the first sliding groove (12), and the outer surface of the first sliding block (13) is fixedly connected with the upper surface of the sliding block (5).

3. The educational science and technology offline projection device according to claim 1, wherein the front surface of the sliding cabin (1) is fixedly provided with a controller (16), and the positive and negative motor (2), the electric push rod (6) and the rotating motor (20) are electrically connected with the controller (16) through wires.

4. The educational science and technology line projection device according to claim 1, wherein the left and right sides of the sliding cabin (1) are fixedly connected with mounting plates (10), and four threaded holes (11) are formed in the upper surfaces of the two mounting plates (10).

5. The educational science and technology line projection device according to claim 4, wherein a fixing block (19) is fixedly installed on the bottom surface of one of the mounting plates (10), and the bottom surface of the fixing block (19) is fixedly connected with the outer surface of the reversible motor (2).

6. The under-line projection device for education and technology according to claim 1, wherein the bottom surface of the sliding cabin (1) is fixedly connected with a placement bucket (17), and three ventilation openings (18) are formed in the left side surface of the placement bucket (17).

7. The educational science and technology line projection device according to claim 1, wherein the upper surface of the connecting plate (8) is provided with a second chute (14), the inside of the second chute (14) is slidably connected with two second sliding blocks (15), and the upper surfaces of the two second sliding blocks (15) are fixedly connected with the bottom surface of the rotating motor (20).