CN210930214U - An adjustable drawing tablet for outdoor learning - Google Patents

Abstract

The utility model discloses an adjustable drawing board for outdoor learning, which relates to the technical field of drawing boards and comprises a box body, wherein a positioning plate is fixed on the inner wall of the bottom end of the left side of the box body, a rolling bearing is fixed inside the right side of the positioning plate, a threaded rod is connected on the rolling bearing, a turntable is fixed at the other end of the threaded rod, a movable rod is in threaded connection on the threaded rod, a first slider is fixed on the outer wall of the movable rod, the top end of the positioning plate is movably connected with an adjusting rod, a first chute is arranged in the adjusting rod, second U-shaped grooves are arranged on both sides of the box body, a slide rod is fixed in the second U-shaped groove, a third slider is in sliding connection on the slide rod, a moving rod is fixed at one end of the third slider, which is far away from the slide rod, a support rod is fixed at, the angle of the drawing board can be adjusted, the drawing efficiency of a user is improved, and the drawing board is worthy of popularization and application.

Description

An adjustable drawing tablet for outdoor learning

technical field

The utility model relates to the technical field of drawing boards, in particular to an adjustable drawing board for outdoor learning.

Background technique

Drawing is required in the production and design of arts and crafts, environmental design, graphic design, multimedia design, etc. When drawing, the traditional easel has a simple structure, one is inconvenient or impossible to adjust the angle, and the other is inconvenient to carry. Extremely inconvenient to use.

Utility model content

The purpose of the utility model is to solve the shortcomings existing in the prior art, and proposes an adjustable drawing board for outdoor learning.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

An adjustable drawing board for outdoor learning, comprising a box body, a positioning plate is fixed on the inner wall of the bottom end of the left side of the box body, a rolling shaft is fixed inside the right side of the positioning plate, and a threaded rod is connected to the fixed bearing, And the right end of the threaded rod penetrates the box body and extends to the outside of the box body, the other end of the threaded rod is fixed with a turntable, the threaded rod is threadedly connected with a movable rod, and the outer wall of the movable rod is fixed with a first slider, so An adjustment rod is movably connected to the top of the positioning plate, a first chute is opened in the adjustment rod, and the first slider is slidably connected to the first chute in the adjustment rod;

A second U-shaped groove is opened on both sides of the box body, a sliding rod is fixed in the second U-shaped groove, a third sliding block is slidably connected to the sliding rod, and the third sliding block is far away from the sliding rod. One end of the rod is fixed with a moving rod, a second sliding groove is opened in the moving rod, a second sliding block is slidably connected in the second sliding groove, and the protruding part of the second sliding block is movable with the other end of the adjusting rod The top end of the moving rod is fixed with a support rod, and the support rod penetrates the top of the box body and extends to the outside of the box body, the right side of the top of the box body is hinged with a drawing board, and the bottom end of the drawing board has a third U-shaped groove, and the top end of the support rod is slidably connected with the third U-shaped groove.

Preferably, a first U-shaped groove is formed on the inner wall of the bottom end of the box, and the first U-shaped groove is slidably connected to the bottom end of the movable rod.

Preferably, the moving rod is a square rod, the second sliding block is a "7" shape, and the top end of the support rod is a hemispherical shape.

Preferably, a universal wheel is installed on the outer wall of the bottom end of the box body, and a locking device is provided on the universal wheel.

Preferably, a handle is fixed on the turntable, and a non-slip cover is covered on the handle.

The beneficial effects of the present utility model are:

1. In this utility model, the angle of the drawing board can be adjusted by the arrangement of the threaded rod, the turntable, the movable rod, the first slider, the adjusting rod, the moving rod, the supporting rod and the drawing board, which improves the drawing efficiency of the user. It is worth promoting.

2. In the present utility model, the bottom end is provided with a universal wheel, which facilitates the movement of the entire device, saves time and effort, and is convenient and quick.

Description of drawings

Figure 1 is a schematic structural diagram of the utility model.

Figure 2 is a front view of the utility model.

3 is a side view of the moving rod and the second sliding block of the present invention.

Labels in the figure: 1 box, 2 first U-shaped groove, 3 threaded rod, 4 turntable, 5 first slider, 6 adjustment rod, 7 rolling bearing, 8 positioning block, 9 movable rod, 10 second slider, 11 Moving rod, 12 third sliding block, 13 sliding rod, 14 second U-shaped groove, 15 drawing board, 16 third U-shaped groove, 17 supporting rod, 18 universal wheel, 19 first chute, 20 second slide Slot, 21 handle.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

Referring to Figures 1-3, an adjustable drawing board for outdoor learning includes a box body 1, a positioning plate 8 is fixed on the inner wall of the bottom end of the left side of the box body 1, a rolling bearing 7 is fixed inside the right side of the positioning plate 8, and the rolling bearing 7 is connected with The threaded rod 3, and the right end of the threaded rod 3 penetrates the box body 1 and extends to the outside of the box body 1, the other end of the threaded rod 3 is fixed with a turntable 4, the threaded rod 3 is threadedly connected with a movable rod 9, and the outer wall of the movable rod 9 is fixed with a The first sliding block 5, the top of the positioning plate 8 is movably connected with an adjusting rod 6, a first sliding groove 19 is opened in the adjusting rod 6, the first sliding block 5 is slidably connected with the first sliding groove 19 in the adjusting rod 6, and the box body 1. There are second U-shaped grooves 14 on both sides, and a sliding rod 13 is fixed in the second U-shaped groove 14. A third sliding block 12 is slidably connected to the sliding rod 13, and the third sliding block 12 is far away from the sliding rod 13. A moving rod 11 is fixed at one end, a second sliding groove 20 is opened in the moving rod 11, a second sliding block 10 is slidably connected in the second sliding groove 20, and the protruding part of the second sliding block 10 is connected to the other end of the adjusting rod 6 Actively connected, a support rod 17 is fixed at the top of the moving rod 11, and the support rod 17 penetrates the top of the box body 1 and extends to the outside of the box body 1. A drawing board 15 is hinged on the right side of the top of the box body 1, and the bottom end of the drawing board 15 is open. There is a third U-shaped groove 16, and the top end of the support rod 17 is slidably connected to the third U-shaped groove 16. The inner wall of the bottom end of the box body 1 is provided with a first U-shaped groove 2, and the first U-shaped groove 2 and the bottom of the movable rod 9 are formed. The ends are slidingly connected, the movable rod 9 can ensure the stability of the movement of the movable rod 9 when it moves left and right, the movable rod 11 is a square rod, and the second slider 10 is a "7" shape, which improves the stability of the second slider 10 , the top end of the support rod 17 is hemispherical, the outer wall of the bottom end of the box body 1 is installed with a universal wheel 18, and the universal wheel 18 is provided with a locking device to move the device, the turntable 4 is fixed with a handle 21, and the handle 21 There is a non-slip sleeve on the upper cover, which can effectively prevent slipping and make it easier to adjust the angle of the drawing board.

working principle:

When the utility model is used, the threaded rod 3 is rotated by rotating the handle 21 , the rotation of the threaded rod 3 drives the movable rod 9 to move, the movable rod 9 moves left and right to drive the adjustment rod 6 to swing, and the swing of the adjustment rod 6 is driven to move by the second slider 10 The rod 11 moves up and down, and the moving rod 11 moves up and down to drive the support rod 17 to move up and down, and the angle of the drawing board 15 can be adjusted by the movement of the support rod 17 .

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (5)

1. An adjustable drawing board for outdoor learning, comprising a box body (1), characterized in that a positioning plate (8) is fixed on the inner wall of the left bottom end of the box body (1), and the positioning plate (8) A rolling bearing (7) is fixed inside the right side, a threaded rod (3) is connected to the rolling bearing (7), and the right end of the threaded rod (3) penetrates the box body (1) and extends to the outside of the box body (1), A turntable (4) is fixed on the other end of the threaded rod (3), a movable rod (9) is threadedly connected to the threaded rod (3), and a first slider (5) is fixed on the outer wall of the movable rod (9). , the top of the positioning plate (8) is movably connected with an adjusting rod (6), the adjusting rod (6) is provided with a first chute (19), and the first sliding block (5) is located in the adjusting rod (6) The first chute (19) is slidably connected; Both sides of the box body (1) are provided with second U-shaped grooves (14), a sliding rod (13) is fixed in the second U-shaped groove (14), and the sliding rod (13) slides on A third sliding block (12) is connected, a moving rod (11) is fixed at one end of the third sliding block (12) away from the sliding rod (13), and a second sliding groove ( 20), a second sliding block (10) is slidably connected in the second sliding groove (20), and the protruding part of the second sliding block (10) is movably connected with the other end of the adjusting rod (6), and the moving A support rod (17) is fixed on the top end of the rod (11), and the support rod (17) penetrates through the top end of the box body (1) and extends to the outside of the box body (1). The top right side of the box body (1) is hinged with a A drawing board (15), wherein the bottom end of the drawing board (15) is provided with a third U-shaped groove (16), and the top end of the support rod (17) is slidably connected with the third U-shaped groove (16). 2. An adjustable drawing board for outdoor learning according to claim 1, characterized in that, a first U-shaped groove (2) is opened on the inner wall of the bottom end of the box body (1), and the first U-shaped groove (2) slidingly connected with the bottom end of the movable rod (9). 3. The adjustable drawing tablet for outdoor learning according to claim 1, wherein the moving rod (11) is a square rod, and the second sliding block (10) is a "7" shape, The top end of the support rod (17) is hemispherical. 4. An adjustable drawing board for outdoor learning according to claim 1, characterized in that, a universal wheel (18) is installed on the outer wall of the bottom end of the box (1), and the universal wheel (18) is mounted on the outer wall. With locking device. 5 . The adjustable drawing tablet for outdoor learning according to claim 1 , wherein a handle ( 21 ) is fixed on the turntable ( 4 ), and a non-slip cover is covered on the handle ( 21 ). 6 .

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