CN204930784U - Outdoor sketching folding retractable is imparted knowledge to students easel - Google Patents

Abstract

The utility model belongs to the field of teaching appliances, in particular to a foldable telescopic teaching easel for outdoor sketching, which includes a drawing board, a frame body and movable legs, and is characterized in that protruding slide rails are provided on the bottoms of the left and right sides of the drawing board. There are corresponding slide rail grooves, the slide rails of the drawing board are embedded in the slide rail grooves of the frame body, the drawing board fastening bolts are arranged on the rear side of the frame body, telescopic legs are provided at both ends of the frame body, and the two ends of the frame body A cavity matching the telescopic outrigger is provided, and the inner side of the frame body at the cavity is provided with a leg fastening bolt. The utility model has the advantages of reasonable structure, flexible and convenient use. When the utility model is not in use, the overall size is only as large as a drawing board, and the portability is very good. When in use, even on uneven ground, by adjusting the stretching amount of each telescopic leg and the length of the movable leg, it can Fix the frame stably. After the frame is fixed, adjust the height of the drawing board to start sketching.

Description

Folding telescopic teaching easel for outdoor sketching

technical field

The utility model belongs to the field of teaching appliances, in particular to a folding and stretching teaching easel for outdoor sketching.

Background technique

In art teaching, the easel is an indispensable teaching tool. The current easel includes a drawing board. The drawing board is fixed on the frame body. There are two fixed legs under the frame body. A movable leg is hinged at the rear of the frame body, which can be adjusted during use. Adjust the angle of inclination of the drawing board, stabilize the easel with movable outriggers and fixed outriggers, and you can use it. The easel of this structure is simple in structure, easy to use, and low in cost, and is very suitable for indoor use. When students need to go out to sketch, the easel of this structure is not applicable, and the specific disadvantages are:

1) It is too bulky to carry;

2) The environment of the outdoor sketching place is complex, and when the ground is uneven, it is difficult to keep the easel stable;

3) After the movable outriggers are fixed, the height of the drawing board cannot be adjusted, which cannot adapt to the complex environment in the field. All above-mentioned deficiencies all limit the use of easel when sketching in the wild, and bring great difficulty to teaching work.

Utility model content

The purpose of this utility model is to solve the problem that the current easel can only be used on the flat bottom surface indoors or outdoors, and has the defects of large volume and inconvenient adjustment, and provides a folding telescopic teaching easel for outdoor sketching, which is small in volume after folding , easy to carry, after stretching, the height and angle are easy to adjust, suitable for outdoor sketching teaching.

The utility model is achieved through the following technical solutions:

That is, a folding telescopic teaching easel for outdoor sketching, including a drawing board, a frame body and movable legs. , the slide rail of the drawing board is embedded in the slide rail groove of the frame body, the drawing board fastening bolt is arranged on the rear side of the frame body, telescopic outriggers are provided at both ends of the frame body, and telescopic outriggers are provided at both ends of the frame body to match the telescopic outriggers. A cavity, the inner side of the frame body at the cavity is provided with leg fastening bolts.

The extension of the two telescopic legs of the utility model can be adjusted independently, so that it can adapt to the uneven bottom surface and keep the drawing board stable. When not in use, the two telescopic legs can be completely hidden in the easel, reducing the bulk.

The drawing board of the utility model can slide up and down in the slide rail groove of the frame body through the slide rail, and slide upward, so that the height of the drawing board can be adjusted. When not in use, slide the animation board down so that it duplicates the easel, greatly reducing bulk.

In order to further increase the flexibility of the utility model, the movable leg adopts a hollow design, and the movable leg extension rod is set inside it, and the movable leg extension rod fastening bolt is provided on one side of the movable leg.

The movable supporting legs of the utility model can be extended and become longer, and the adjustment of the easel is more convenient. When not in use, fully retract the extension rod of the movable outrigger, hide it in the movable outrigger, and then rotate and fit the movable outrigger on the inside of the frame body, which can greatly reduce the volume.

The shape of the frame body of the utility model is the same as that of the prior art, except that the slide rail groove and the cavity are processed thereon.

The utility model has the advantages of reasonable structure, flexible and convenient use. When the utility model is not in use, the overall size is only as large as a drawing board, and the portability is very good. When in use, even on uneven ground, by adjusting the extension of each telescopic leg and the length of the movable leg, it can Fix the frame stably. After the frame is fixed, adjust the height of the drawing board to start sketching.

Description of drawings

Fig. 1 is the structural representation when the utility model uses;

Fig. 2 is the structural representation when the utility model is not in use;

Fig. 3 is the schematic diagram of the structure of the connection between the drawing board and the easel of the present invention;

Fig. 4 is a structural schematic diagram of the connection between the telescopic outrigger and the easel of the utility model.

As shown in the figure: 1. Telescopic outrigger; 2. Outrigger fastening bolt; 3. Frame body; 4. Drawing board; 5. Drawing board fastening bolt; 6. Movable outrigger; 7. Movable outrigger extension rod Fastening bolts; 8. Movable outrigger extension rod; 9. Cavity.

detailed description

As shown in Figure 1, Figure 2, Figure 3, and Figure 4: the slide rail of the drawing board 4 (see the downward protruding part of the drawing board in Figure 3 for details) is embedded in the slide rail groove of the frame body 3 (see the frame body in Figure 3 for details). recessed part), the drawing board 4 can slide up and down along the frame body 3, the drawing board fastening bolt 5 is located at the rear side of the frame body 3 where the slide rail groove is located, and the two telescopic legs are installed in the cavity 9 on both sides of the frame body 3 Inside, the rear side of the frame body 3 where the cavity 9 is located is provided with a leg fastening bolt 3, and the upper end of the movable leg 6 is hinged at the center position of the rear side of the frame body through a pin shaft. The movable leg 6 is hollow and has a The movable support leg extension rod 8, the lower end side of the movable support leg 6 is provided with the movable support leg extension rod fastening bolt 7.

As shown in Figure 2: when the utility model is not in use, the two telescopic legs 1 are completely hidden in the cavity 9 of the frame body 3, the movable leg extension rod 8 is completely hidden in the movable leg 6, and the movable leg 6. Fold inwardly and fit completely inside the frame body 3. The drawing board 4 is completely overlapped with the frame body 3. At this time, the whole device is only the size of a drawing board, but the thickness is slightly thicker, and the portability is very good.

As shown in Figure 1, when the utility model is used, the two telescopic legs 1 are pulled out, and the extension of each telescopic leg 1 is reasonably adjusted according to the ground conditions, and then fastened by the legs Bolt 2 fixes the telescopic support leg 1, and then adjusts the extension of the movable leg extension rod 8 reasonably according to the ground conditions, and then fixes the movable leg extension rod 8 by tightening the bolt 7 of the movable leg extension rod. When the frame body 3 is fixed, then the drawing board 4 is slid upwards, and after being adjusted to a suitable height, the drawing board 4 is fixed with the drawing board fastening bolt 5, and then sketching can be carried out.

Claims (2)

1. A folding telescopic teaching easel for outdoor sketching, comprising a drawing board, a frame body and movable legs, characterized in that the left and right sides of the drawing board are provided with protruding slide rails at the bottom, and the frame body is provided with corresponding slide rails Slot, the slide rail of the drawing board is embedded in the slide rail groove of the frame body, there are drawing board fastening bolts on the rear side of the frame body, telescopic outriggers are provided at both ends of the frame body, and telescopic outriggers are provided at both ends of the frame body to match the telescopic outriggers The inner side of the frame body at the cavity is provided with leg fastening bolts. 2. The folding telescopic teaching easel for outdoor sketching according to claim 1, characterized in that the movable outrigger adopts a hollow design, and the movable outrigger extension rod is set inside the movable outrigger, and the movable outrigger extension rod is provided on one side of the movable outrigger Tighten the bolts.