CN211348981U

CN211348981U - Computer teaching instrument convenient to operation

Info

Publication number: CN211348981U
Application number: CN202020367949.6U
Authority: CN
Inventors: 牟文玉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-08-25
Anticipated expiration: 2030-03-23

Abstract

The utility model discloses a computer teaching instrument convenient to operation, including the projecting apparatus, the fixed surface installs the lens cone in front end one side of projecting apparatus, the upper end middle part fixed surface of projecting apparatus installs the bracing piece No. one, the inside of bracing piece is provided with the slider, the upper end middle part fixed surface of slider installs the bracing piece No. two, the upper end fixed surface of bracing piece No. two installs the furred ceiling mount pad, the preformed hole has all been seted up to the upper end both sides surface of furred ceiling mount pad. A computer teaching instrument convenient to operation, be equipped with slider, heat-conducting plate, heat radiation fins and safety glass, can realize the height and towards the regulation, the operation of being convenient for can also make the inside that tiny particulate matters such as dust can't pass heat radiation structure entering projecting apparatus when not influencing the radiating effect, can also position the projecting apparatus camera lens and provide the protection, bring better use prospect.

Description

Computer teaching instrument convenient to operation

Technical Field

The utility model relates to a computer teaching instrument field, in particular to computer teaching instrument convenient to operation.

Background

The computer teaching instrument is a general term of various instruments and equipment which are controlled by a computer and can assist teaching, is also called multimedia teaching instrument equipment, can deepen the understanding of students on theoretical knowledge through computer multimedia teaching and experiments, has a plurality of types, and comprises a projection instrument, can project pictures on a curtain and is convenient for the students to observe; present projecting apparatus has certain drawback when using, at first, towards and highly be difficult to adjust, the operation of being not convenient for, secondly, inside tiny particulate matters such as dust passed the regional entering structure of heat dissipation easily, be difficult to the clearance, in addition, not enough to projection lens's protection, the use of giving people has brought certain adverse effect, for this reason, we provide a computer teaching instrument convenient to operate.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a computer teaching instrument convenient for operation, which can effectively solve the problems in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a computer teaching instrument convenient to operate comprises a projector, wherein a lens cone is fixedly arranged on the outer surface of one side of the front end of the projector, a first support rod is fixedly arranged on the outer surface of the middle part of the upper end of the projector, a slide block is arranged inside the first support rod, a second support rod is fixedly arranged on the outer surface of the middle part of the upper end of the slide block, a ceiling mounting seat is fixedly arranged on the outer surface of the upper end of the second support rod, the outer surfaces of two sides of the upper end of the ceiling mounting seat are both provided with reserved holes, the outer surface of one side of the rear end of the projector is fixedly provided with a heat conducting plate, the outer surface of the rear end of the heat conducting plate is provided with heat radiating fins, the outer surface of the other side of the rear end of the projector is provided with a power line interface and a data line interface, the data line interface is positioned at the lower end of the power line interface, and the outer surface of the front end of the lens cone is fixedly provided with a protective lens.

The lens protector has high transparency, completely shields the front end opening of the lens cone, and provides protection for the projection lens.

The heat conducting plate is made of materials with excellent heat conducting performance, heat inside the projector can be conducted to the outside, after the heat is absorbed by the heat radiating fins, the heat is radiated in a convection mode, the heat radiating area is mainly determined by the surface area of the heat radiating fins in the convection heat radiating process, the larger the surface area is, the better the heat radiating effect is, namely, the heat radiating effect is not influenced, and meanwhile, the heat radiating structure is completely closed.

Preferably, be provided with the fixed block No. one between heat-conducting plate and the projector, the front end surface of heat-conducting plate passes through the fixed block and is connected with rear end one side fixed surface of projector, heat radiation fins's front end surface is through the rear end fixed surface of welding with the heat-conducting plate, heat radiation fins's quantity is a plurality of groups.

Preferably, the outer surface of the middle part of the upper end of the first support rod is provided with a through hole, the outer diameter of the second support rod is smaller than the aperture of the through hole, the outer diameter of the sliding block is larger than the aperture of the through hole, and the outer wall of the sliding block is provided with a rubber layer.

Preferably, be provided with the fixed block No. two between No. two bracing pieces and the furred ceiling mount pad, the lower extreme middle part surface fixed connection of No. two fixed blocks and furred ceiling mount pad is passed through to the upper end surface of No. two bracing pieces, be provided with the fixed block No. two between No. two bracing pieces and the slider, the upper end middle part surface fixed connection of No. two bracing pieces through fixed block No. two and slider.

Preferably, an adhesive is arranged between the protective lens and the lens barrel, and the outer surface of the rear end of the protective lens is fixedly connected with the outer surface of the front end of the lens barrel through the adhesive.

Preferably, be provided with the fixed block No. four between bracing piece and the projecting apparatus, the lower extreme surface of bracing piece passes through the fixed block No. four and is connected with the upper end middle part surface fixed connection of projecting apparatus.

Compared with the prior art, the utility model discloses following beneficial effect has: this computer teaching instrument convenient to operation, slider through setting up, the slider can be in bracing piece inside activity, bracing piece and No. two bracing pieces are scalable and rotatory, realize highly with towards the purpose of regulation, heat-conducting plate and heat radiation fins through setting up, when not influencing the radiating effect, make heat radiation structure seal completely, do not leave the opening, particulate matter such as dust can't get into, the setting of protecting the mirror, for projection lens provides the protection, do benefit to people and use, whole computer teaching instrument simple structure convenient to operation, and convenient for operation, the effect of use is better for traditional mode.

Drawings

Fig. 1 is the utility model relates to a computer teaching instrument's overall structure schematic diagram convenient to operation.

Fig. 2 is a rear view of projector 1 in fig. 1 of a computer teaching apparatus convenient to operate.

Fig. 3 is the utility model relates to a computer teaching instrument's fig. 1 in convenient to operation a bracing piece 3 and No. two bracing pieces 4's section view.

Fig. 4 is a schematic structural diagram of the lens barrel 2 in fig. 1 of the computer teaching instrument convenient to operate.

In the figure: 1. a projector; 2. a lens barrel; 3. a first support rod; 4. a second support rod; 5. a ceiling mounting base; 6. reserving a hole; 7. a heat conducting plate; 8. heat dissipation fins; 9. a power line interface; 10. a data line interface; 11. a slider; 12. and (5) protecting the glasses.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a computer teaching instrument convenient to operate, including projector 1, fixed surface installs lens cone 2 in front end one side of projector 1, fixed surface installs bracing piece 3 in the middle part of the upper end of projector 1, the inside of bracing piece 3 is provided with slider 11, fixed surface installs No. two bracing pieces 4 in the middle part of the upper end of slider 11, fixed surface installs furred ceiling mount pad 5 in the upper end of No. two bracing pieces 4, preformed hole 6 has all been seted up to the upper end both sides surface of furred ceiling mount pad 5, fixed surface installs heat-conducting plate 7 in rear end one side of projector 1, the rear end surface of heat-conducting plate 7 is provided with heat radiation fins 8, rear end opposite side surface of projector 1 is provided with power cord interface 9 and data line interface 10, data line interface 10 is located the lower extreme of power cord interface 9, fixed surface installs protective glass 12 in the front end of lens cone 2.

A first fixing block is arranged between the heat conducting plate 7 and the projector 1, the outer surface of the front end of the heat conducting plate 7 is fixedly connected with the outer surface of one side of the rear end of the projector 1 through the fixing block, the outer surface of the front end of each heat radiating fin 8 is fixedly connected with the outer surface of the rear end of the heat conducting plate 7 through welding, the number of the heat radiating fins 8 is a plurality of groups, the heat radiating structure is completely closed while the heat radiating effect is not influenced, and fine particles such as dust and the like cannot enter the projector 1; the outer surface of the middle part of the upper end of the first support rod 3 is provided with a through hole, the outer diameter of the second support rod 4 is smaller than the aperture of the through hole, the outer diameter of the slider 11 is larger than the aperture of the through hole, the outer wall of the slider 11 is provided with a rubber layer, the through hole limits the slider 11 to prevent the slider 11 from being separated from the first support rod 3, the inner wall of the slider 11 is attached to the inner wall of the first support rod 3, a gap between the slider 11 and the first support rod 3 is filled with the rubber layer, so that the friction force between the slider and the first support rod is increased, the weight of the whole structure can be overcome under the condition that the; a second fixing block is arranged between the second supporting rod 4 and the ceiling mounting seat 5, the outer surface of the upper end of the second supporting rod 4 is fixedly connected with the outer surface of the middle part of the lower end of the ceiling mounting seat 5 through the second fixing block, the second fixing block is arranged between the second supporting rod 4 and the sliding block 11, and the outer surface of the lower end of the second supporting rod 4 is fixedly connected with the outer surface of the middle part of the upper end of the sliding block 11 through the second fixing block; an adhesive is arranged between the protective lens 12 and the lens barrel 2, and the outer surface of the rear end of the protective lens 12 is fixedly connected with the outer surface of the front end of the lens barrel 2 through the adhesive to protect the lens barrel 2; a fourth fixing block is arranged between the first supporting rod 3 and the projector 1, and the outer surface of the lower end of the first supporting rod 3 is fixedly connected with the outer surface of the middle of the upper end of the projector 1 through the fourth fixing block.

It should be noted that, the utility model relates to a computer teaching instrument convenient for operation, before using, use connecting parts such as bolt to pass through the preformed hole 6, fix the ceiling mounting seat 5 in the installation area, the power cord inserts the inside of the power cord interface 9, the computer circuit inserts the inside of the data line interface 10, when using, control the start of the projector 1, the computer control the projection picture of the projector 1, it is convenient for students to observe, can deepen students to the understanding of theoretical knowledge, wherein, the slider 11 can move up and down and rotate in the inside of the first support rod 3, the slider 11 is fixed with the second support rod 4, the first support rod 3 and the second support rod 4 can stretch and rotate, realize the height and the adjustment-oriented purpose, the heat conducting plate 7 is made of material with excellent heat conductivity, can be formed by the heat conduction in the projector 1, the heat radiation fins 8 increase the effective heat radiation surface area of the heat conducting plate 7, the surface area is big more, and the radiating effect is better, when not influencing the radiating effect, makes heat radiation structure seal completely, does not leave the opening, and particulate matters such as dust can't get into, and goggles 12 shelters from the front end opening part of lens cone 2, provides the protection for projection lens, and is comparatively practical.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A computer teaching instrument convenient to operate, comprising a projector (1), characterized in that: the outer surface of one side of the front end of the projector (1) is fixedly provided with a lens cone (2), the outer surface of the middle part of the upper end of the projector (1) is fixedly provided with a first support rod (3), a slide block (11) is arranged inside the first support rod (3), the outer surface of the middle part of the upper end of the slide block (11) is fixedly provided with a second support rod (4), the outer surface of the upper end of the second support rod (4) is fixedly provided with a ceiling mounting seat (5), the outer surfaces of two sides of the upper end of the ceiling mounting seat (5) are respectively provided with a preformed hole (6), the outer surface of one side of the rear end of the projector (1) is fixedly provided with a heat-conducting plate (7), the outer surface of the rear end of the heat-conducting plate (7) is provided with a heat-radiating fin (8), the outer, the data line interface (10) is positioned at the lower end of the power line interface (9), and a protective glass (12) is fixedly arranged on the outer surface of the front end of the lens cone (2).

2. A computer teaching apparatus for facilitating operation of a computer teaching instrument as claimed in claim 1 wherein: be provided with the fixed block No. one between heat-conducting plate (7) and projecting apparatus (1), the front end surface of heat-conducting plate (7) passes through the fixed block and is connected with rear end one side external surface fixed connection of projecting apparatus (1), the front end surface of cooling fin (8) is through the rear end external surface fixed connection of welding with heat-conducting plate (7), the quantity of cooling fin (8) is a plurality of groups.

3. A computer teaching apparatus for facilitating operation of a computer teaching instrument as claimed in claim 1 wherein: a through hole is formed in the outer surface of the middle of the upper end of the first support rod (3), the outer diameter of the second support rod (4) is smaller than the aperture of the through hole, the outer diameter of the sliding block (11) is larger than the aperture of the through hole, and a rubber layer is arranged on the outer wall of the sliding block (11).

4. A computer teaching apparatus for facilitating operation of a computer teaching instrument as claimed in claim 1 wherein: be provided with the fixed block No. two between No. two bracing piece (4) and furred ceiling mount pad (5), the lower extreme middle part surface fixed connection of No. two fixed blocks and furred ceiling mount pad (5) is passed through to the upper end surface of No. two bracing piece (4), be provided with the fixed block No. two between No. two bracing piece (4) and slider (11), the lower extreme surface of No. two bracing piece (4) is through the upper end middle part surface fixed connection of No. two fixed blocks and slider (11).

5. A computer teaching apparatus for facilitating operation of a computer teaching instrument as claimed in claim 1 wherein: an adhesive is arranged between the protective glasses (12) and the lens barrel (2), and the outer surface of the rear end of the protective glasses (12) is fixedly connected with the outer surface of the front end of the lens barrel (2) through the adhesive.

6. A computer teaching apparatus for facilitating operation of a computer teaching instrument as claimed in claim 1 wherein: a fourth fixing block is arranged between the first supporting rod (3) and the projector (1), and the outer surface of the lower end of the first supporting rod (3) is fixedly connected with the outer surface of the middle of the upper end of the projector (1) through the fourth fixing block.