CN206141207U - Telescopic drawing board of inclination adjustable - Google Patents

Abstract

The utility model provides a telescopic drawing board of inclination adjustable, including base, drawing board and telescoping device, the base comprises baffle, shaft hole, pivot and bottom plate, and the both ends of bottom plate are equipped with the baffle, and the baffle is connected with the drawing board through shaft hole and pivot, the base left end is connected with the dead lever, is equipped with fastener on the dead lever, and fastener comprises slider, fastening bolt, mounting panel and A second hinge, the lower extreme of drawing board passes through the shaft hole and the right -hand member at the base is connected in the pivot, and there is the upper boom upper end of drawing board through a hinged joint, the telescoping device is connected between upper boom and lower beam, and the telescoping device comprises hollow tube, sealing washer, bearing, recess, turning handle, sleeve and threaded rod, the utility model discloses the angle of inclination of well drawing board can be adjusted through rotatory turning handle, and also the distance between accessible adjust the slider and drawing board is adjusted, and what be convenient for to paint goes on, the drawing board can be folded, places on the base the placing and carrying of the drawing board of being convenient for.

Description

A retractable drawing board with adjustable inclination angle

technical field

The utility model relates to a drawing board, in particular to a telescopic drawing board with an adjustable inclination angle.

Background technique

A flat plate that is often used to pad drawing paper in sketching and painting. It is often placed on an easel, and some are placed on your knees for drawing. Fix the drawing board on the easel, some use clips, and some use tape. The size of the drawing board depends on the user's requirements. Most of them are made of wood. In addition, there is a kind of plastic drawing board, which can not only draw directly on the board, but also can be wiped off. It is suitable for children's drawing practice, and it is often used in toys. Due to the large size of the general drawing board, it is particularly inconvenient to carry and place, especially in the process of sketching, which is not conducive to the progress of painting; in addition, when drawing, the inclination angle between the drawing board and the horizontal plane is an important factor that determines whether the painting is comfortable. The corners do not fit well, which is not conducive to the progress of painting.

Utility model content

The purpose of this utility model is to provide a telescopic drawing board with adjustable inclination angle, so as to solve the problems raised in the above-mentioned background technology.

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

A telescopic drawing board with adjustable inclination, including a base, a drawing board and a telescopic device; A shaft hole is provided, and a rotating shaft is arranged in the shaft hole, and the baffle is connected with a drawing board through the shaft hole and the rotating shaft; Composed of a mounting plate and a second hinge, the inside of the slider is hollow, the fixed rod is placed in the center of the slider, the top of the slider is provided with a mounting plate, the mounting plate is connected to the lower rod through the second hinge, and the slider on the right side of the mounting plate is provided with Tightening bolts, the fastening bolts are arranged on the top of the slider; the lower end of the drawing board is connected to the right end of the base through the shaft hole and the rotating shaft, and the upper end of the drawing board is connected to the upper rod through the first hinge; the telescopic device is connected to the upper rod and the Between the lower rods, the telescopic device is composed of a hollow tube, a sealing ring, a bearing, a groove, a rotating handle, a sleeve and a threaded rod. The hollow tube is set on the top of the lower rod, and the top of the hollow tube is provided with a bearing, and the bearing is set in the sleeve. In the groove, the lower part of the groove is provided with a sealing ring, the outside of the sleeve is provided with a rotating handle, the top of the sleeve is threadedly connected with a threaded rod, and the threaded rod is connected to the bottom of the upper rod.

As a further solution of the utility model: the width of the drawing board is smaller than the distance between the two baffles on the base.

As a further solution of the utility model: the diameter of the threaded rod is smaller than the outer diameter of the hollow tube.

Compared with the prior art, the beneficial effects of the utility model are:

The utility model has the advantages of simple structure, complete functions, reasonable design and convenient use; the drawing board in the telescopic drawing board with adjustable inclination angle is connected to the base through a rotating shaft, so that the inclination angle between the drawing board and the base is easy to adjust, and the telescopic device can be adjusted by rotating the handle. Adjustment can also be made by adjusting the distance between the drawing board and the drawing board; by adjusting the distance of the fastening device on the fixed rod, the drawing board can be folded and placed on the base, and protected by the baffle, which is convenient for the drawing board. Place and carry.

Description of drawings

Fig. 1 is a schematic structural diagram of a retractable drawing board with an adjustable inclination angle.

Fig. 2 is a structural schematic diagram of the telescopic device in the telescopic drawing board with adjustable inclination.

Fig. 3 is a structural schematic diagram of the slider in the telescopic drawing board with adjustable inclination.

Fig. 4 is a schematic structural view of the bottom plate of the retractable drawing board with adjustable inclination angle.

In the figure: 1-fixed rod, 2-slider, 3-lower rod, 4-telescopic device, 5-upper rod, 6-first hinge, 7-drawing board, 8-base, 9-rotating shaft, 10-hollow tube , 11-sealing ring, 12-bearing, 13-groove, 14-rotating handle, 15-sleeve, 16-threaded rod, 17-slider, 18-fastening bolt, 19-installation plate, 20-second Hinge, 21-baffle plate, 22-axis hole, 23-bottom plate.

detailed description

The technical solution of this patent will be described in further detail below in conjunction with specific embodiments.

Please refer to Figures 1-4, a telescopic drawing board with adjustable inclination angle, including a base 8, a drawing board 7 and a telescopic device 4; For cuboid shape, the two ends of base plate 23 are provided with baffle plate 21, are provided with shaft hole 22 on the baffle plate 21, are provided with rotating shaft 9 in the shaft hole 22, baffle plate 21 is connected with drawing board 7 by shaft hole 22 and rotating shaft 9, base plate 23 is used for supporting drawing board 7, and baffle plate 21 is used for protecting drawing board 7, and axle hole 22 and rotating shaft 9 are used for base 8 and drawing board 7 are connected together; Fastening device 2, fastening device 2 is made up of slider 17, fastening bolt 18, mounting plate 19 and second hinge 20, and slider 17 is hollow inside, and fixing bar 1 is placed in the center of slider 17, and the top of slider 17 is provided with Mounting plate 19, mounting plate 19 is connected with lower bar 3 by second hinge 20, is provided with fastening bolt 18 on the slide block 17 on the right side of mounting plate 19, and fastening bolt 18 is arranged on slide block 17 tops, is used for sliding Block 17 is fixed on the fixed rod 1, fixed rod 1 and slide block 17 are used to adjust the inclination angle of drawing board 7; The first hinge 6 is connected with an upper bar 5, and the upper surface of the drawing board 7 is used for painting; between; the telescopic device 4 is connected between the upper rod 5 and the lower rod 3, and the telescopic device 4 is composed of a hollow tube 10, a sealing ring 11, a bearing 12, a groove 13, a rotating handle 14, a sleeve 15 and a threaded rod 16 Composition, the hollow tube 10 is set on the top of the lower rod 3, the top of the hollow tube 10 is provided with a bearing 12, the bearing 12 is set in the groove 13 in the sleeve 15, the lower part of the groove 13 is provided with a sealing ring 11, and the outside of the sleeve 15 is provided There is a rotating handle 14, the top of the sleeve 15 is threadedly connected with a threaded rod 16, and the threaded rod 16 is connected to the bottom of the upper rod 5; the diameter of the threaded rod 16 is smaller than the outer diameter of the hollow tube 10, and the threaded rod 16 can be retracted into the hollow tube 10 inside.

The working principle of the utility model is: when in use, adjust the fastening bolt 18, and then adjust the distance between the slider 17 and the base 8; then rotate the handle 14, adjust the total length of the upper rod 5 and the lower rod 3, and then adjust The angle of inclination of the drawing board 7; after use, rotate the handle 14, screw the threaded rod 16 into the hollow tube 10, adjust the fastening bolt 18, adjust the distance between the slider 17 and the base 8, and then place the drawing board 7 on the On the base 8, the fastening bolt 18 is adjusted to fix the slide block 17 to facilitate the placement and carrying of the drawing board 7.

The preferred implementation of this patent has been described in detail above, but this patent is not limited to the above-mentioned implementation, and within the knowledge of those of ordinary skill in the art, it can also be made without departing from the purpose of this patent. Variations.

Claims (3)

1. A telescopic drawing board with adjustable inclination, including a base (8), a drawing board (7) and a telescopic device (4); it is characterized in that the base (8) is composed of a baffle (21), a shaft hole (22 ), a rotating shaft (9) and a base plate (23), the base plate (23) is a cuboid shape, the two ends of the base plate (23) are provided with a baffle plate (21), and the baffle plate (21) is provided with a shaft hole (22), The shaft hole (22) is provided with a rotating shaft (9), and the baffle (21) is connected with the drawing board (7) through the shaft hole (22) and the rotating shaft (9); the left end of the base (8) is connected with a fixed rod (1), fixed A fastening device (2) is provided on the rod (1), and the fastening device (2) is composed of a slider (17), a fastening bolt (18), a mounting plate (19) and a second hinge (20), and the slider (17) The interior is hollow, the fixed rod (1) is placed in the center of the slider (17), the top of the slider (17) is provided with a mounting plate (19), and the mounting plate (19) is connected to the lower rod through the second hinge (20) (3), the slider (17) on the right side of the mounting plate (19) is provided with fastening bolts (18), and the fastening bolts (18) are set on the top of the slider (17); the lower end of the drawing board (7) It is connected to the right end of the base (8) through the shaft hole (22) and the rotating shaft (9), and the upper end of the drawing board (7) is connected to the upper rod (5) through the first hinge (6); the telescopic device (4) is connected to the Between the upper rod (5) and the lower rod (3), the telescopic device (4) consists of a hollow tube (10), a sealing ring (11), a bearing (12), a groove (13), a rotating handle (14), a sleeve Composed of barrel (15) and threaded rod (16), the hollow tube (10) is set on the top of the lower rod (3), the top of the hollow tube (10) is provided with a bearing (12), and the bearing (12) is set on the sleeve (15) In the inner groove (13), the lower part of the groove (13) is provided with a sealing ring (11), the outside of the sleeve (15) is provided with a rotating handle (14), and the top of the sleeve (15) is connected with a threaded rod ( 16), the threaded rod (16) is connected to the bottom of the upper rod (5). 2. The telescopic drawing board with adjustable inclination angle according to claim 1, characterized in that the width of the drawing board (7) is smaller than the distance between the two baffles (21) on the base (8). 3. The telescopic drawing board with adjustable inclination according to claim 1, characterized in that the diameter of the threaded rod (16) is smaller than the outer diameter of the hollow tube (10).