WO2020029108A1

WO2020029108A1 - Children drawing tool

Info

Publication number: WO2020029108A1
Application number: PCT/CN2018/099329
Authority: WO
Inventors: 宋占美; 潘宝城
Original assignee: 山东英才学院
Priority date: 2018-08-08
Filing date: 2018-08-08
Publication date: 2020-02-13
Also published as: CN111065526A

Abstract

A children drawing tool, comprising a bottom plate (1), pad bars (2), barrier bars (3), a transverse movement block (4), a first side barrier bar (5), second side barrier bars (6), a vertical movement block (7), a rotation block (8), a rotation shaft (9), a swing arm (10), a handle (11), a pointer (12), a refill (13), and a knob screw (14). Two symmetrically and parallelly arranged pad bars (2) are fixed on the upper plane of the bottom plate (1); symmetrically arranged barrier bars (3) are fixed on the upper side surfaces of the two pad bars (2); the transverse movement block (4) is attached to the upper plane of the bottom plate (1); the transverse movement block (4) is capable of sliding left and right along two pad bars (2); a first rectangular recess is formed on the upper plane of the transverse movement block (4); the vertical movement block (7) is provided in the first rectangular recess; the first side barrier bar (5) is fixed at the left side of the upper plane of the transverse movement block (4); two symmetrically arranged second side barrier bars (6) are fixed at the right side of the upper plane of the transverse movement block (4); the vertical movement block (7) is capable of sliding up and down along the inner wall at left and right sides of the rectangular recess; a second rectangular recess is formed on the upper plane of the vertical movement block (7); the rotation block (8) is provided in the second rectangular recess; a protruding block is formed outwards at one side of the upper plane of the rotation block (8); one end of the rotation shaft (9) passes through the bottom plate (1) and is inserted into and fixed at the center of the protruding block; the swing arm (10) is sleeved and fixed at the other end of the rotation shaft (9); the handle (11) is connected to the outer side of the other end of the swing arm (10); the pointer (12) is fixed to the right side of the upper plane of the vertical movement block (7); a through hole is formed at the right side of the upper plane of the pointer (12); the refill is inserted in the through hole; the knob screw (14) is threadedly connected to the right end of the pointer; the threaded end of the knob screw (14) abuts against the outer side surface of the refill (13).

Description

Drawing tool for children

Technical field

The utility model relates to a drawing tool for children.

Background technique

Most children's drawing tools contain simple geometric figures, which enables children to quickly and easily draw on paper with the help of hands and pens. However, the existing children's drawing tools can only trace the contours of geometric figures. The operation is simple and lacks fun. Children's learning interest cannot be fully stimulated and needs further improvement.

Utility model content

In view of the above-mentioned current state of the art, the technical problem to be solved by the present utility model is to provide a children's drawing tool that realizes the automatic drawing of squares by hand-cranking. It is convenient to operate and extremely interesting, and has fully stimulated children's interest in learning. .

The technical solution adopted by the utility model to solve the above technical problems is: a drawing tool for children, which includes a bottom plate, a cushion bar, a stop bar, a traverse block, a first side bar, a second side bar, a vertical move block, and a rotation The block, the rotating shaft, the swing arm, the handle, the pointer, the pen core and the knob screw are characterized in that two symmetrically distributed pads are fixed on the upper plane of the bottom plate, and the upper side surfaces of the two pads are fixed on the upper plane of the bottom plate. Each of them is fixed with a symmetrically distributed retaining bar. The upper plane of the bottom plate is provided with a traverse block, which can slide along the two pads left and right; on the upper plane of the traverse block; A first rectangular hole is provided, and a vertical moving block is provided in the first rectangular hole. A first side bar is fixed on the left side of the upper plane of the traverse block, and a right side of the upper plane of the traverse block is fixed. Two symmetrically distributed second side bars, the vertical movement block can slide down along the left and right inner walls of the rectangular hole; a second rectangular hole is formed on the upper plane of the vertical movement block, and the second rectangle A rotary block is provided in the hole; a convex surface is formed on one side of the upper plane of the rotary block. One end of the rotating shaft passes through the bottom plate and is inserted and fixed at the center of the convex block; the other end of the rotating shaft is sleeved and fixed with a swing arm, and a handle is connected to the other end of the swing arm; A pointer is fixed on the right side of the plane, a through hole is opened on the right side of the upper plane of the pointer, a pen core is inserted into the through hole, and a knob screw is screwed on the right end of the pointer; Close to the outside side of the refill.

Preferably, the inner side of the stopper exceeds the inner side of the pad, and the upper and lower sides of the traverse block are respectively attached to the inner sides of the two pads, and the inner sides of the lower planes of the two Fit on the upper and lower sides of the upper plane of the traverse block respectively.

Preferably, the left and right side surfaces of the vertical movement block are respectively attached to the left and right inner walls of the first rectangular hole.

Preferably, the right side of the lower plane of the first side stop is attached to the left side of the upper plane of the vertical movement block.

Preferably, the left sides of the lower planes of the two second side bars are fitted on the right side of the upper plane of the vertical movement block.

Preferably, the shape of the rotating block is a triangle with an arc edge, and the first, second and third corners are formed at three corners of the rotating block, respectively.

Preferably, the radian of the third rotation angle is greater than the radian of the second rotation angle; the radian of the second rotation angle is greater than the radian of the first rotation angle.

Compared with the prior art, the utility model has the advantages that the utility model realizes the automatic drawing of the square by hand-cranking. The operation is convenient and fun at the same time. Children can observe the learning between the learning parts while drawing the square. The drive connection and teaching and entertainment fully stimulate children's interest in learning.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is an upper structural view of the present invention;

FIG. 2 is a structural diagram of a lower side of the present invention.

detailed description

As shown in Figures 1 and 2, a drawing tool for children includes a base plate 1, a cushion bar 2, a stopper 3, a traverse block 4, a first side stopper 5, a second side stopper 6, a vertical movement block 7, Rotating block 8, rotating shaft 9, swing arm 10, handle 11, pointer 12, refill 13 and knob screw 14; two symmetrically parallel pads 2 are fixed on the upper plane of the bottom plate 1, A side bar 3 is symmetrically fixed to each other. The inner side of the bar 3 exceeds the inner side of the pad 2. The upper plane of the bottom plate 1 is provided with a traverse block 4 attached to the upper and lower sides of the traverse block 4. The two sides are attached to the inner sides of the two pads 2 respectively, and the inner sides of the lower planes of the two stop bars 3 are attached to the upper and lower sides of the upper plane of the traverse block 4, respectively. The pad 2 slides left and right; a first rectangular hole 41 is opened on the upper plane of the traverse block 4, and a vertical movement block 7 is provided in the first rectangular hole 41; the left and right sides of the vertical movement block 7 are respectively attached to the first On the left and right inner walls of a rectangular hole 41, a first side stop 5 is fixed to the left of the upper plane of the traverse block 4, and the right side of the lower plane of the first side stop 5 is attached to the upper plane of the vertical movement block 7. Left side; two symmetrically distributed second side bars 6 are fixed on the right side of the upper plane of the traverse block 4, and the left sides of the lower planes of the two second side bars 6 fit on the upper plane of the vertical movement block 7 On the right side, the vertical movement block 7 can slide down along the left and right inner walls of the rectangular hole 41; the upper plane of the vertical movement block 7 is provided with a second rectangular hole 71, and the second rectangular hole 71 is provided with a rotation block 8; A convex block 81 is formed on one side of the upper plane of the block 8. One end of the rotating shaft 9 passes through the bottom plate 1 and is inserted and fixed at the center of the convex block 81. The other end of the rotating shaft 9 is fixed with a swing arm 10. A handle 11 is connected to the outer side of the other end; a pointer 12 is fixed on the right side of the upper plane of the vertical movement block 7, and a through hole 121 is opened on the right side of the upper plane of the pointer 12. A pen core 13 is inserted in the through hole 121, and the right end of the pointer 12 is inserted. The knob screw 14 is screwed; the threaded end of the knob screw 14 is pressed against the outer side of the refill 13; the shape of the turning block 8 is a triangle with a rounded edge, and the first corners of the turning block 8 are formed respectively. The corner 82, the second corner 83, and the third corner 84, the radian of the third corner 84 is greater than the radian of the second corner 83; A first arc angle greater than 82.

During use, place the paper 15 flat on the upper surface of the bottom plate 1 and on the right side of the two pads 2; hold the handle 11 and rotate the swing arm 10 to drive the rotating shaft 9 and the rotating block 8 to rotate. 83 When turning clockwise to the upper right corner of the second rectangular hole 71, the rotating block 8 will push the vertical moving block 7 together with the horizontal moving block 4 to slide to the right along the two pads 2 to drive the refill 13 on the pointer 12 Draw the upper edge of the square 16 on the paper 15, and then, the rotation block 8 continues to rotate. When the second corner 83 rotates clockwise to the lower right corner of the second rectangular hole 71, the rotation block 8 will push the vertical movement block 7 Slide down along the first rectangular hole 41, and then drive the refill 13 on the pointer 12 to draw the right edge of the square 16 on the paper 15. Then, the rotation block 8 continues to rotate, and when the second corner 83 rotates clockwise to At the lower left corner of the second rectangular hole 71, the rotating block 8 will push the vertical moving block 7 along with the horizontal moving block 4 to slide to the left along the two cushion strips 2, thereby driving the refill 13 on the pointer 12 to draw on the paper 15. The lower edge of the square 16 is drawn out. Finally, the rotation block 8 continues to rotate, and when the second corner 83 rotates clockwise to the second rectangle When the upper left corner of the hole 71, the rotating block 8 will push the vertical movement block 7 to slide upward along the first rectangular hole 41, and then the refill 13 on the pointer 12 draws the left edge of the square 16 on the paper 15 and thus is completed. When the refill 13 needs to be adjusted or replaced, just loosen the knob screw 14 first, then move the refill 13 up and down, and finally tighten the knob screw 14.

Most children's drawing tools contain simple geometric figures, which enables children to quickly and easily draw on paper with the help of hands and pens. However, the existing children's drawing tools can only trace the contours of geometric figures. The operation is simple and lacks fun. The child's learning interest cannot be fully aroused; the utility model realizes the automatic drawing of the square by hand-cranking. The operation is convenient and fun, and the child can observe the transmission connection between the learning parts while drawing the square. Music has fully stimulated children's interest in learning.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present utility model, and are not limited thereto. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that it is still Modifications to the technical solutions described in the foregoing embodiments, or equivalent replacements of some of the technical features may be made; and these modifications or replacements do not depart from the spirit of the technical solutions of the respective embodiments of the present invention. range.

Claims

A drawing tool for children includes a bottom plate, a cushion bar, a stop bar, a traverse block, a first side bar, a second side bar, a vertical movement block, a rotation block, a rotating shaft, a swing arm, a handle, a pointer, a pen core, and The knob screw is characterized in that two symmetrically distributed pads are fixed on the upper plane of the bottom plate, and a pair of symmetrically distributed baffles are fixed on the upper sides of the two pads. The upper plane of the traverse block is provided with a traverse block that can slide left and right along two pads. A first rectangular hole is formed on the upper plane of the traverse block. A vertical moving block is provided; a first side bar is fixed on the left side of the upper plane of the traverse block, and two symmetrically distributed second side bars are fixed on the right side of the upper plane of the traverse block. The moving block can slide down along the left and right inner walls of the rectangular hole; a second rectangular hole is opened on the upper plane of the vertical moving block, and a rotating block is arranged in the second rectangular hole; an upper plane of the rotating block A convex block is formed on one side outward, and one end of the rotating shaft passes through the bottom plate and is inserted and fixed in the convex block. A swing arm is sleeved and fixed at the other end of the rotating shaft, and a handle is connected to the other end of the swing arm; a pointer is fixed on the right side of the upper plane of the vertical movement block, and a right side of the upper plane of the pointer is provided on the right side A through hole, a pen core is inserted into the through hole, and a knob screw is screwed into the right end of the pointer; the threaded end of the knob screw is pressed against the outer side of the pen core.
The drawing tool for children according to claim 1, wherein the inner side of the stopper exceeds the inner side of the pad, and the upper and lower sides of the traverse block are respectively attached to the two pads. On the inner side, the inner sides of the lower planes of the two barriers are respectively attached to the upper and lower sides of the upper plane of the traverse block.
The drawing tool for children according to claim 1, wherein the left and right side surfaces of the vertical movement block are respectively attached to the left and right inner walls of the first rectangular hole.
The drawing tool for children according to claim 1, wherein the right side of the lower plane of the first side stop is attached to the left side of the upper plane of the vertical movement block.
The drawing tool for children according to claim 1, wherein the left side of the lower plane of the two second side bars is fitted to the right side of the upper plane of the vertical movement block.
The drawing tool for children according to claim 1, wherein the shape of the rotating block is a triangle with an arc side, and the first and second corners are formed at three corners of the rotating block, respectively. And the third corner.
The drawing tool for children according to claim 6, wherein the arc of the third corner is larger than the arc of the second corner; the arc of the second corner is larger than the arc of the first corner.