CN211617242U - Curve drawing board that mathematical education was used - Google Patents

Abstract

The utility model relates to a mathematical education apparatus technical field just discloses a curve drawing board that mathematical education used, including the drawing board, the outside and the equal fixed connection of four group's dead levers of drawing board, first sliding tray has been seted up to the inside of dead lever, the inside sliding connection of first sliding tray has the limiting plate, the upper surface of limiting plate and the bottom fixed connection of handspike, outside the top inner wall that first sliding tray was passed on the top of handspike extended to the dead lever, the lower surface of limiting plate and the top fixed connection of spring. This curve drawing board that mathematical education used through the setting of handspike, makes the limiting plate reach gliding effect from top to bottom, through the setting of fixed suction cup, makes the curve drawing board that this mathematical education used reach fixed effect, sets up through the cooperation in handle and rotation groove, makes the bull stick reach rotatory effect, sets up through the cooperation of third sliding tray and fixture block, makes the painting brush reach gliding effect.

Description

Curve drawing board that mathematical education was used

Technical Field

The utility model relates to a mathematical education apparatus technical field specifically is a curve drawing board that mathematical education used.

Background

Mathematics originates from early production activities of human beings, ancient Babylon people accumulate certain mathematical knowledge from ancient times and can apply practical problems, from the aspect of mathematics, the mathematical knowledge of the ancient Babylon people is only observed and experienced, comprehensive conclusion and proof are not provided, but the contribution of the ancient Babylon people to mathematics is fully determined, in the existing mathematical teaching, people often use curves, but most of the existing curve drawing at present use one hand to fix the drawing board, the other hand to draw, the drawing board cannot be guaranteed not to shake when drawing the curves, and the quality of curve drawing cannot be guaranteed.

The curve drawing board that university's mathematical education used is disclosed in chinese patent publication No. CN206833767U, this curve drawing board that university's mathematical education used when using, pull down the gim peg, then the curve drawing board that will need the rule is placed in the slotted hole, carry out the actuation through actuation bar magnet, then fix the panel on the blackboard through fixed suction cup, when drawing, difficult appearance is rocked and is removed, can once rule, and save time, high efficiency, convenient to detach and carry simultaneously, but this kind of mode has very big problem: all need change different drawing boards when changing different curves at every turn, if the curve is comparatively complicated, then can greatly reduced drawing efficiency.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a curve drawing board that mathematical education used has solved the problem that curve quality that most of curve drawing boards are difficult for fixing and most of curve drawing boards are drawn can not obtain guaranteeing.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a curve drawing board for mathematical education comprises a drawing board, wherein the outer side of the drawing board is respectively fixedly connected with four groups of fixed rods, a first sliding groove is formed in each fixed rod, a limiting plate is slidably connected to the inner part of each first sliding groove, the upper surface of each limiting plate is fixedly connected with the bottom end of a hand push rod, the top end of each hand push rod penetrates through the inner wall of the top of each first sliding groove and extends out of the corresponding fixed rod, the lower surface of each limiting plate is fixedly connected with the top of a spring, the bottom of each spring is fixedly connected with the top end of an auxiliary push rod, the auxiliary push rods are slidably connected in second sliding grooves, each second sliding groove is formed in the middle of each limiting rod, the top ends of the limiting rods are fixedly connected with the lower surfaces of the fixed rods, the bottom ends of the auxiliary push rods are fixedly connected with the tops of fixed suckers, rotating grooves are formed in the inner wall of the drawing board, the painting brush is characterized in that a third sliding groove is formed in the middle of the rotating rod, a clamping block is connected to the inside of the third sliding groove in a sliding mode, the middle of the clamping block is connected with the middle of the painting brush in a clamping mode, and a handle is fixedly connected to the rear side of the top of the rotating rod.

Preferably, the lower side of the hand push rod is shaped like a cylinder, and the upper side of the hand push rod is shaped like a circular truncated cone with an upper end surface larger than a lower end surface.

Preferably, the spring is cylindrical, the spring is a variable-pitch compression spring, and the spring is made of carbon spring steel wires.

Preferably, the fixed sucker is a vacuum sucker, and the fixed sucker is made of nitrile rubber.

Preferably, the fixture block is in an I shape, and the upper side, the middle part and the lower side of the fixture block are all cylindrical.

Preferably, the outer surface of the handle is provided with anti-skidding lines, the outer surface of the upper side of the hand push rod is provided with an anti-skidding layer, and the anti-skidding layer is made of rubber.

(III) advantageous effects

The utility model provides a curve drawing board that mathematical education used possesses following beneficial effect:

1. this curve drawing board that mathematical education used through the setting of handspike, makes the limiting plate reach gliding effect from top to bottom, through the setting of fixed suction cup, makes the curve drawing board that this mathematical education used reach fixed effect, sets up through the cooperation in handle and rotation groove, makes the bull stick reach rotatory effect, sets up through the cooperation of third sliding tray and fixture block, makes the painting brush reach gliding effect.

2. This curve drawing board that mathematical education used, through the setting of fixture block, makes the painting brush reach fixed effect, sets up through the cooperation of first sliding tray and limiting plate, makes the handspike reach spacing gliding effect, through the setting of spring, makes the handspike can reach the effect that resets, through the setting of second sliding tray, makes auxiliary push rod reach spacing gliding effect.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the push rod, the limiting plate, the spring, the auxiliary push rod and the fixed suction cup of the present invention;

fig. 3 is a schematic structural view of the fixing rod and the limiting rod of the present invention.

In the figure: 1. a drawing board; 2. fixing the rod; 3. a first sliding groove; 4. a limiting plate; 5. a handspike; 6. a spring; 7. an auxiliary push rod; 8. a second sliding groove; 9. a limiting rod; 10. fixing the sucker; 11. a rotating groove; 12. a rotating rod; 13. a third sliding groove; 14. a clamping block; 15. painting brushes; 16. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a curve drawing board for mathematical education comprises a drawing board 1, wherein the outer side of the drawing board 1 is respectively fixedly connected with four groups of fixed rods 2, a first sliding groove 3 is formed in each fixed rod 2, a hand push rod 5 achieves a limiting sliding effect through the matching arrangement of the first sliding groove 3 and a limiting plate 4, the limiting plate 4 is slidably connected in each first sliding groove 3, the upper surface of each limiting plate 4 is fixedly connected with the bottom end of the hand push rod 5, the limiting plate 4 achieves an up-and-down sliding effect through the arrangement of the hand push rod 5, the top end of the hand push rod 5 extends out of the fixed rod 2 through the inner wall of the top of the first sliding groove 3, the lower surface of each limiting plate 4 is fixedly connected with the top of a spring 6, the hand push rod 5 can achieve a resetting effect through the arrangement of the spring 6, the bottom of the spring 6 is fixedly connected with the top end of an auxiliary push rod 7, the auxiliary push rod 7 is, the auxiliary push rod 7 achieves the effect of limiting sliding through the arrangement of the second sliding groove 8, the second sliding groove 8 is arranged in the middle of the limiting rod 9, the top end of the limiting rod 9 is fixedly connected with the lower surface of the fixed rod 2, the bottom end of the auxiliary push rod 7 is fixedly connected with the top of the fixed sucker 10, the curve drawing board for mathematical education achieves the fixing effect through the arrangement of the fixed sucker 10, the inner wall of the drawing board 1 is provided with a rotating groove 11, the inside of the rotating groove 11 is respectively rotatably connected with the front end and the rear end of the rotating rod 12, the middle of the rotating rod 12 is provided with a third sliding groove 13, the painting brush 15 achieves the sliding effect through the matching arrangement of the third sliding groove 13 and the clamping block 14, the painting brush 15 achieves the fixing effect through the arrangement of the clamping block 14, the middle of the clamping block 14 is clamped with the middle of the painting brush 15, the rear side of the top of the rotating rod 12 is fixedly connected with a handle 16, the rotating rod 12 is rotated by the matching arrangement of the handle 16 and the rotating groove 11.

In the present invention, in order to increase the area of the user contacting the handle bar 5, the lower side of the handle bar 5 is shaped like a cylinder, and the upper side of the handle bar 5 is shaped like a circular truncated cone with an upper end surface larger than a lower end surface.

The utility model discloses in, in order to make the elasticity effect that spring 6 plays better, spring 6's shape is cylindrical, and spring 6 is variable pitch compression spring, and spring 6's material is carbon spring steel wire.

The utility model discloses in, in order to make fixed sucking disc 10's fixed effect better, fixed sucking disc 10 is vacuum chuck, and fixed sucking disc 10 materials adopts the nitrile rubber to make.

The utility model discloses in, for the convenience of fixture block 14 can carry out spacing slip at bull stick 12, fixture block 14's shape is "worker" font, and fixture block 14's upside, middle part and downside shape are the cylinder.

The utility model discloses in, in order to make the user can grab handle 16 more firmly, handle 16's surface is provided with anti-skidding line, in order to prevent that the user from taking place the slippage phenomenon when pressing down handspike 5, the surface of handspike 5 upside is provided with the skid resistant course, and the material of skid resistant course is rubber.

When in use, the user moves the four groups of fixed suction cups 10 to the position to be fixed, and according to the actual moving condition, the push rod 5 is pushed, the push rod 5 drives the limit plate 4 to move downwards in the first sliding groove 3, the spring 6 is elastically deformed under the pressure, and the auxiliary push rod 7 is pressed and moves downwards in the second sliding groove 8, so that the fixed sucker 10 is squeezed to extrude the air in the fixed sucker 10, thereby achieving the effect of fixing the curve drawing board for mathematical education, a user fixes the painting brush 15 in the fixture block 14 according to the actual fixing condition, then, the user moves the latch 14 in the third sliding groove 13 according to the curve shape that the user actually needs to draw, and according to the actual moving condition, the handle 16 is rotated to rotate the rotary rod 12 in the rotary groove 11, thereby obtaining a desired curve.

In conclusion, this curve drawing board that mathematical education used, setting through handspike 5, make limiting plate 4 reach gliding effect from top to bottom, setting through fixed suction cup 10, make the curve drawing board that this mathematical education used reach fixed effect, cooperation setting through handle 16 and rotation groove 11, make bull stick 12 reach rotatory effect, cooperation setting through third sliding tray 13 and fixture block 14, make painting brush 15 reach gliding effect, setting through fixture block 14, make painting brush 15 reach fixed effect, cooperation setting through first sliding tray 3 and limiting plate 4, make handspike 5 reach spacing gliding effect, setting through spring 6, make handspike 5 can reach the effect that resets, setting through second sliding tray 8, make auxiliary push rod 7 reach spacing gliding effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a curve drawing board that mathematical education was used, includes drawing board (1), its characterized in that: the drawing board is characterized in that the outer side of the drawing board (1) is fixedly connected with four groups of fixing rods (2) respectively, a first sliding groove (3) is formed in the fixing rods (2), a limiting plate (4) is connected to the inner part of the first sliding groove (3) in a sliding manner, the upper surface of the limiting plate (4) is fixedly connected with the bottom end of a hand push rod (5), the top end of the hand push rod (5) penetrates through the inner wall of the top part of the first sliding groove (3) and extends out of the fixing rods (2), the lower surface of the limiting plate (4) is fixedly connected with the top end of a spring (6), the bottom end of the spring (6) is fixedly connected with the top end of an auxiliary push rod (7), the auxiliary push rod (7) is connected in a sliding manner into a second sliding groove (8), the second sliding groove (8) is formed in the middle part of a limiting rod (9), and the top end of the limiting rod (9, the bottom of auxiliary push rod (7) and the top fixed connection of fixed suction cup (10), rotation groove (11) have been seted up to drawing board (1) inner wall, the inside of rotation groove (11) rotates with the front and back both ends of bull stick (12) respectively and is connected, third sliding tray (13) have been seted up at the middle part of bull stick (12), the inside sliding connection of third sliding tray (13) has fixture block (14), the middle part of fixture block (14) and the middle part joint of painting brush (15), the rear side fixedly connected with handle (16) at bull stick (12) top.

2. The curvilinear drawing board for mathematical education as claimed in claim 1, wherein: the lower side of the hand push rod (5) is cylindrical, and the upper side of the hand push rod (5) is a circular truncated cone with the upper end surface larger than the lower end surface.

3. The curvilinear drawing board for mathematical education as claimed in claim 1, wherein: the spring (6) is cylindrical, the spring (6) is a variable-pitch compression spring, and the spring (6) is made of a carbon spring steel wire.

4. The curvilinear drawing board for mathematical education as claimed in claim 1, wherein: the fixed sucker (10) is a vacuum sucker, and the fixed sucker (10) is made of nitrile rubber.

5. The curvilinear drawing board for mathematical education as claimed in claim 1, wherein: the fixture block (14) is in an I shape, and the upper side, the middle part and the lower side of the fixture block (14) are cylindrical.

6. The curvilinear drawing board for mathematical education as claimed in claim 1, wherein: the outer surface of the handle (16) is provided with anti-skid grains, the outer surface of the upper side of the hand push rod (5) is provided with an anti-skid layer, and the anti-skid layer is made of rubber.

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