CN203671182U - Bracket assembly for computer teaching - Google Patents

Abstract

A bracket combination for computer teaching, comprising a projector bracket and a projection cloth bracket, the projector bracket includes a support bar, an upper box and a lower box, the upper box is connected to the upper end of the support bar, and the lower box is connected to the lower end of the support bar Connection, the projection cloth support mainly includes two uprights, the lower end of the uprights is connected with the base, and rollers are installed on the lower surface of the base; the upper end of the uprights is equipped with a hollow connection block, the connection block is provided with a hook, and the projection cloth is hung on the hook. The utility model is simple in structure, but has good projection effect and is easy to carry, and can allow students in multiple classes to take multimedia lessons, thereby improving teaching quality.

Description

A bracket assembly for computer teaching

technical field

The utility model relates to a teaching aid, in particular to a bracket combination for computer teaching, which belongs to the field of teaching aids.

Background technique

At present, in the computer teaching process, the projector is one of the most commonly used teaching aids, and is usually used to demonstrate the computer operation process and the like. In some schools with better conditions, a classroom will be equipped with a set of projection equipment. And for some schools with poor conditions, especially the schools in the west, it is very good for a school to have a set of projectors. In order to allow students to experience vivid teaching, the projection is generally moved to the classroom, but the existing projection bracket is more troublesome to carry.

Utility model content

The purpose of the utility model is to provide a bracket combination for computer teaching, on the one hand, it is convenient for teaching, and on the other hand, it allows students to experience multimedia teaching so as to improve the teaching quality.

The purpose of this utility model is achieved by the following approach:

A bracket combination for computer teaching, comprising a projector bracket and a projection cloth bracket, characterized in that the projector bracket includes a support bar, an upper box and a lower box, and the upper box is connected to the upper end of the support bar , the lower box is connected to the lower end of the support rod. There is a chute in front of the upper box, and a slide plate is arranged in the chute. The left and right sides of the upper box are hollowed out; A handle is installed, and at least three cardan shafts are installed on the lower surface of the lower box, and rollers are installed on the cardan shafts; the support rod is a multi-section structure, and each section of the structure is provided with a through hole. The connection is fastened by tightening nuts inserted into the through holes; the projection cloth support mainly includes two columns, the lower ends of which are connected to the base, and rollers are installed on the lower surface of the base; a hollow connection block is installed on the upper end of the column, and a A hook, a projection cloth is hung on the hook; a level is arranged on the support rod; the cross-section of the column is square, and a round hole is arranged on the column; the cross-section of the connecting block is also square and the side length is longer than that of the column. The side of the cross-section is square, and the connecting block is also provided with a round hole; the connecting block and the column are connected by a horizontal pin inserted into the round hole, one end of the horizontal pin is equipped with an end cover, and the other end is provided with a screw hole, The screw holes are provided with matching nuts; the columns are also connected by reinforcing ribs; the two ends of the reinforcing ribs are provided with hanging lugs that cooperate with the hooks.

Beneficial effects of the utility model:

In the utility model, a projector is placed on the projector bracket, and hanging cloth is hung on the projection cloth bracket. In order to allow the bracket to move, rollers are installed under the bracket; It is a hollow board; in order to facilitate the height adjustment, the projector support of the utility model is a multi-section structure; the utility model has a simple structure, but the projection effect is good, and it is easy to carry, so that students in multiple classes can take multimedia classes, thereby improving Teaching Quality.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is described in further detail:

Fig. 1 is a schematic diagram of the three-dimensional structure of the utility model;

Fig. 2 is a schematic diagram of the utility model connection block and pin shaft;

Fig. 3 is a structural schematic diagram of a reinforcing rib of the present invention;

In the figure, 1. Upper box, 2. Support rod, 3. Lower box, 4. Chute, 5. Slider, 6. Drawer, 7. Handle, 8. Tighten nut, 9. Spirit level, 10. Ten thousand Shaft, 11, roller, 12, column, 13, base, 14, projection cloth, 15, connecting block, 16, round hole, 17, reinforcing rib, 18, hanging ear, 19, hook, 20, horizontal pin, 21, end cap, 22, screw hole, 23, nut.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

Example:

As shown in Figures 1 to 3, a bracket combination for computer teaching includes a projector bracket and a projection cloth bracket, the projector bracket includes a support rod 2, an upper box 1 and a lower box 3, the The upper box is connected to the upper end of the support bar, and the lower box is connected to the lower end of the support bar. There is a chute 4 in front of the upper box, and a slide plate 5 is arranged in the chute. Control the slide plate to ensure that the projector will not slide from the upper box. The left and right sides of the upper box are hollowed out for heat dissipation; the lower box is hollow, with a drawer 6 on one side and a handle 7 on the drawer. Teachers can put some teaching supplies in the drawer, which is simple and practical. At least three cardan shafts 10 are installed on the lower surface of the box, and rollers 11 are installed on the cardan shafts; The tightening nut 8 in the hole is fastened and connected; the projection cloth support mainly includes two columns 12, and the lower end of the column is connected with the base 13, and rollers are installed on the lower surface of the base; a hollow connection block 15 is installed on the upper end of the column, and a Hook 19 is arranged, and projection cloth 14 is hung on the hook.

A level 9 is arranged on the support rod. In order to allow the projector to project images horizontally, use a level to adjust the projector bracket level.

The cross-section of the column is square, and the column is provided with a round hole 16 .

The cross section of the connecting block is also square and the side length is longer than the square side length of the cross section of the column, and the connecting block is also provided with a round hole. The connection block of square structure is not easy to rotate, and the connection is firm.

The connecting block and the column are connected by a horizontal pin shaft 20 inserted into the circular hole. An end cover 21 is installed at one end of the horizontal pin shaft, and a screw hole 22 is provided at the other end, and a nut matched therewith is arranged in the screw hole. twenty three.

The uprights are also connected by reinforcing ribs 17 . In order to make the connection between the connecting block and the column more reliable, an end cover is provided at one end of the horizontal pin, and the other end is tightened by a nut, so that the horizontal pin can not slip from the circular hole.

Both ends of the reinforcing rib are provided with hanging ears 18 matched with the hook. In order to prevent the two uprights from toppling over, a connection block is installed between the two uprights, and the hooks on the connection block cooperate with the lugs on the reinforcing ribs.

The above is only a specific embodiment of the utility model, but the scope of protection of the utility model is not limited thereto, and any person familiar with the art can think of it without creative work within the technical scope disclosed in the utility model. All changes or replacements should fall within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be determined by the protection scope defined in the claims.

Claims (1)

1. a kind of support combination for computer teaching, comprising a projector support and a projection cloth support, it is characterized in that, described projector support comprises support bar, upper box body and lower box body, described upper box body and support bar The upper end is connected, and the lower box is connected with the lower end of the support rod. There is a chute in front of the upper box, and a slide plate is arranged in the chute. The left and right sides of the upper box are hollowed out; A handle is installed on the drawer, and at least three cardan shafts are installed on the lower surface of the lower box, and rollers are installed on the cardan shafts; the support rod is a multi-section structure, and each section of the structure is provided with a through hole, and each section of the structure The projection cloth support mainly includes two uprights, the lower end of the uprights is connected with the base, and rollers are installed on the lower surface of the base; the upper end of the uprights is equipped with a hollow connection block, and A hook is provided, and a projection cloth is hung on the hook; a level is provided on the support rod; the cross section of the column is square, and a round hole is arranged on the column; the cross section of the connecting block is also square and the side length is longer than The cross-section of the column is square and the side is long, and the connecting block is also provided with a round hole; the connecting block and the column are connected by a horizontal pin inserted into the circular hole, one end of the horizontal pin is equipped with an end cover, and the other end is provided with a screw The screw hole is provided with a nut that matches it; the column is also connected by a reinforcing rib; the two ends of the reinforcing rib are provided with lugs that cooperate with the hook.

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