CN114228373A - Auxiliary circle drawing device and method with adaptively protruded chalk heads for teaching - Google Patents
Auxiliary circle drawing device and method with adaptively protruded chalk heads for teaching Download PDFInfo
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- CN114228373A CN114228373A CN202111590012.0A CN202111590012A CN114228373A CN 114228373 A CN114228373 A CN 114228373A CN 202111590012 A CN202111590012 A CN 202111590012A CN 114228373 A CN114228373 A CN 114228373A
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 229920001971 elastomer Polymers 0.000 claims abstract description 57
- 238000001179 sorption measurement Methods 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 claims description 8
- 230000003044 adaptive effect Effects 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 7
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 229920001821 foam rubber Polymers 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
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- 239000000203 mixture Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L9/00—Circular curve-drawing or like instruments
- B43L9/02—Compasses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L12/00—Means to prevent slippage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
- B43L13/001—Mathematical drawing instruments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L9/00—Circular curve-drawing or like instruments
- B43L9/16—Features common to compasses, dividers, and callipers
- B43L9/24—Means for mounting points or writing appliances on legs
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Abstract
The invention discloses an auxiliary circle drawing device with a adaptively protruded chalk head for teaching and a method thereof, and relates to the technical field of teaching tools, in order to solve the technical problems that the circle center of the auxiliary circle drawing device is inconvenient to fix, the deviation of a drawn circle is easy to cause to be larger, the numerical value is difficult to control when the length is adjusted, the operation is troublesome, the manual instability easily influences the adjusted numerical value, the chalk head protrusion is ensured while the self-adaptive clamping of chalks with different lengths is inconvenient, and the overall use has low versatility, an adjusting part is movably arranged on one side of a circle center mounting part and can adjust the length of an extension adjusting component so as to draw circles with different diameters, the extension adjusting component is movably arranged on the inner side of the adjusting part, and a chalk head fixing part is arranged at one end of the extension adjusting component far away from the adjusting part so as to realize the more fastening of the adsorption of a rubber sucker, the adjusting operation is simple and convenient, the data precision is high, and the use versatility of the whole device is high.
Description
Technical Field
The invention relates to the technical field of teaching aids, in particular to an auxiliary circle drawing device and method with a adaptively protruded chalk head for teaching.
Background
Mathematics is a subject of studying concepts such as quantity, structure, variation, space, and information, and belongs to a form science from a certain point of view. Mathematics is generated from counting, computing, measuring, and observing the shape and motion of objects through the use of abstraction and logical reasoning. Mathematics has become part of the educational category in many countries and regions. It is used in different fields including science, engineering, medicine, economics and finance. Mathematicians also study pure mathematics, which is the material of mathematics itself, and do not aim at any practical application, and circle drawing devices are commonly used in mathematical education.
However, the circle center of the current auxiliary circle drawing device is not convenient to fix and easy to loosen, the circle deviation caused by drawing is large, the numerical value is not easy to control during length adjustment, manual further fixing is needed after the adjustment is finished, the operation is troublesome, the numerical value after the adjustment is easily influenced by manual instability, the chalk is fixed, the chalk head is not convenient to be clamped in a self-adaptive manner when the chalk with different lengths is clamped, and the whole use is low in multifunctional property.
To solve the above problems. Therefore, the device and the method for assisting in drawing the circle by the adaptively protruded chalk head for teaching are provided.
Disclosure of Invention
The invention aims to provide an auxiliary circle drawing device and method for adaptively projecting a chalk end for teaching, which comprises a circle center mounting part and a circle center fixing component movably arranged on the circle center mounting part, wherein one side of the circle center mounting part is movably provided with an adjusting component, the adjusting component can adjust the length of an extension adjusting component so as to draw circles with different diameters, the inner side of the adjusting component is movably provided with an extension adjusting component, and one end of the extension adjusting component, which is far away from the adjusting component, is provided with a chalk end fixing component, so that the problems in the background art can be solved.
In order to achieve the purpose, the invention provides the following technical scheme: the auxiliary circle drawing device with the adaptively protruded chalk head for teaching comprises a circle center mounting part and a circle center fixing component movably arranged on the circle center mounting part, wherein an adjusting component is movably arranged on one side of the circle center mounting part and can adjust the length of the extension adjusting component so as to draw circles with different diameters, an extension adjusting component is movably arranged on the inner side of the adjusting component, and a chalk head fixing component is arranged at one end, far away from the adjusting component, of the extension adjusting component;
the circle center fixing assembly comprises a rubber sucker and a connecting sleeve arranged on one side of the rubber sucker, a limiting disc is arranged at one end, away from the rubber sucker, of the connecting sleeve, the limiting disc is movably connected with the circle center mounting piece, and an auxiliary adsorption assembly penetrates through the middle part of the limiting disc in a threaded manner;
the adjusting component comprises a supporting and mounting block and a first clamping and suspending assembly arranged in the middle of one end of the supporting and mounting block, and the supporting and mounting block is also provided with an adjusting assembly;
the chalk end fixing component comprises a connecting piece and a conical mounting head arranged on the connecting piece, and a chalk end clamping component is arranged in the middle of the conical mounting head.
Furthermore, supplementary adsorption component includes the revolving fragment and sets up the accommodate the lead screw at the revolving fragment lower extreme, and accommodate the lead screw's lower extreme is provided with the rubber end cap, rubber end cap and adapter sleeve phase-match.
Further, the adjusting assembly comprises an adjusting rotating head and a center stand column arranged at the lower end of the adjusting rotating head, a plurality of adjusting racks are arranged on the outer side of the center stand column, a reset spring is arranged on the inner side of a supporting and installing block at the lower end of the center stand column, the upper end of the reset spring is provided with a connecting block, the upper end face of the connecting block is attached to the lower end face of the center stand column, a limiting groove is formed in the inner side of the supporting and installing block, and the limiting groove is matched with the adjusting racks.
Further, extend the adjusting part and including extending the piece and set up the second card pause assembly at extension piece one end middle part, extend one side of piece width and seted up the triangle draw-in groove, the triangle draw-in groove matches with the adjusting rack, and one side of extending the piece narrowness is printed on and is carved with radius scale mark.
Furthermore, chalk end clamping component includes extension sleeve pipe and sets up the connecting thread pipe at extension sleeve pipe lower extreme, connecting thread pipe and the first threaded connection of toper installation head, and the inboard of connecting thread pipe and connecting thread pipe is provided with a plurality of first rubber pads, and the outside of first rubber pad is embedded to have first ball, and extension sleeve pipe's middle part is provided with rotatory screw thread post, and one side of rotatory screw thread post is provided with rotates the head, and the other end of rotatory screw thread post is provided with and supports the pressure head.
Furthermore, a plurality of self-adaptive clamping assemblies are arranged on the inner sides of the connecting threaded pipe and the connecting threaded pipe, each self-adaptive clamping assembly comprises a rotating column and a rotating connecting piece movably arranged on the rotating column, and clamping reset torsion springs are arranged on two sides of each rotating connecting piece.
Furthermore, the one end both sides of adjusting the extension piece are provided with the restriction and rotate the head, and the restriction rotates the head and regards as regular hexagon for bowing, and the restriction rotates the head and supports the spout phase-match that the installation piece inboard was seted up, and is located to support the one end upside that the installation piece is close to the adjustment extension piece and is provided with set screw.
Further, first calorie of dun subassembly and second card dun subassembly structure are constituteed the same, and first calorie of dun subassembly is including rotating to insert the post and set up and inserting the inboard second foam-rubber cushion of post in the rotation, and the outside of second foam-rubber cushion is provided with the second ball.
The invention provides another technical scheme that: the implementation method of the auxiliary circle drawing device with the adaptively protruded chalk head for teaching is provided, and comprises the following steps of:
s1: the rubber sucker is pressed on the blackboard for preliminary adsorption, then the rotating piece is rotated, the rubber plug is driven to move reversely under the action effect of the adjusting screw rod, the volume inside the rubber sucker is enlarged at the moment, the pressure of the atmospheric air pressure on the rubber sucker is increased, and the rubber sucker is adsorbed with the black fastening plate;
s2: pressing the adjusting rotating head to separate the adjusting rack from the limiting groove, rotating the adjusting rotating head, driving the extending block to move outwards under the matching action of the adjusting rack and the triangular clamping groove until the number displayed by the radius scale mark is an ideal value, loosening the adjusting rotating head, and enabling the adjusting rack to be locked in the limiting groove automatically under the action of a return spring at the moment, so that the length adjustment is finished;
s3: the chalk is inserted into the inner sides of the connecting threaded pipe and the connecting threaded pipe, the chalk can be clamped in a self-adaptive mode under the toughness action of the first rubber pad, when a small number of chalk ends leak out of an inlet of the connecting threaded pipe, the rotating head is rotated to drive the pressing head to move downwards, the tail end of the chalk is limited, and then self-adaptive installation of the chalk is completed;
s4: finally, the chalk end clamping component is connected with the conical mounting head in a threaded mode, and the extending adjusting component is rotated again to draw a circle.
Further, when needing to use the set square in S2, rotatable centre of a circle installed part 90 to it is fixed with centre of a circle fixed subassembly and blackboard, then will adjust the extension piece and adjust the limit, then rotate and adjust the extension piece, under the cooperation of head and spout is rotated in regular hexagon' S restriction, a edges and corners rotates, when having the card pause to feel, adjusting part is 120 with the contained angle that extends adjusting part this moment, when rotating when blockking by adjusting part, adjusting part is 90 with the contained angle that extends adjusting part, set screw screws says again, and then can use as the set square, further improve the use multifunctionality of supplementary circle device of drawing.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the auxiliary circle drawing device and method with the adaptively protruded chalk end for teaching, the rubber sucker is pressed on the blackboard to perform preliminary adsorption, then the rotating piece is rotated, the rubber plug is driven to move reversely under the action effect of the adjusting screw rod, the size inside the rubber sucker is increased, the pressure of the atmospheric air pressure on the rubber sucker is increased, the adsorption of the rubber sucker is firmer, and the auxiliary circle drawing device and method are longer in use corresponding to a single rubber sucker.
2. According to the auxiliary circle drawing device and method with the adaptively protruded chalk head for teaching provided by the invention, when the length of the extension block needs to be adjusted to control the diameter of a circle, the adjustment rotating head is pressed to separate the adjustment rack from the limiting groove, meanwhile, the adjustment rotating head is rotated, under the matching action of the adjustment rack and the triangular clamping groove, the extension block can be driven to move outwards, until the number displayed by the radius scale mark is an ideal value, the adjustment rotating head is loosened, at the moment, under the action of the reset spring, the adjustment rack is clamped in the limiting groove and automatically locked, the adjustment operation is simple and convenient, and the data accuracy is high.
3. The invention provides an auxiliary circle drawing device and method with a teaching chalk head capable of being protruded adaptively, which is characterized in that chalk is inserted into the inner sides of a connecting threaded pipe and a connecting threaded pipe, under the action of the toughness of the first rubber pad, the chalk can be clamped in a self-adaptive manner, when a small amount of chalk ends leak out from the inlet of the connecting threaded pipe, then the rotating head is rotated to drive the pressing head to move downwards to limit the tail end of the chalk, thereby completing the self-adaptive installation of the chalk, the chalk head clamping component can be used as an independent chalk breakage-proof mechanism, the whole piece of chalk is clamped and fixed by the chalk head clamping component, so that the chalk can be prevented from being broken when in use, the maximum utilization of each piece of chalk is ensured, and the teacher can not excessively stain the chalk on hands, so that the use versatility of the whole device is improved.
4. When a set square needs to be used, the circle center mounting piece can be rotated by 90 degrees, the circle center fixing assembly is fixed with the blackboard, the adjusting extending block is adjusted to the limit, the adjusting extending block is rotated, an edge angle is rotated under the matching of the regular hexagon limiting rotating head and the sliding groove, when a pause feeling exists, the included angle between the adjusting component and the extending adjusting assembly is 120 degrees, when the adjusting component is rotated to be blocked by the adjusting component, the included angle between the adjusting component and the extending adjusting assembly is 90 degrees, and then the fixing screw is screwed, so that the device can be used as the set square, and the use versatility of the auxiliary circle drawing device is further improved.
Drawings
FIG. 1 is a schematic view of the overall three-dimensional structure of an auxiliary circle drawing device with an adaptively protruded chalk head for teaching of the present invention;
FIG. 2 is a schematic perspective view of a circle center fixing assembly of the auxiliary circle drawing device with a adaptively protruded chalk head for teaching of the present invention;
FIG. 3 is a schematic view of the internal plane structure of the circle center fixing component of the auxiliary circle drawing device with the adaptively protruded chalk head for teaching of the present invention;
FIG. 4 is a schematic view of the internal plane structure of the adjusting part of the auxiliary circle drawing device with the adaptively protruded chalk head for teaching of the present invention;
FIG. 5 is a schematic perspective view of an adjusting assembly of the auxiliary circle drawing device with an adaptively protruded chalk head for teaching according to the present invention;
FIG. 6 is a schematic perspective view of an extension adjustment assembly of the auxiliary circle drawing device with an adaptively protruded chalk head for teaching according to the present invention;
FIG. 7 is a schematic perspective view of a chalk end fixing part of the auxiliary circle drawing device with an adaptable protruded chalk end for teaching according to the present invention;
FIG. 8 is a schematic view of the internal structure of a chalk end holding assembly of the auxiliary circle drawing device with an adaptively protruded chalk end for teaching of the present invention;
FIG. 9 is an enlarged structural view taken from the point A in FIG. 8 of the auxiliary circle drawing device with the adaptively protruded chalk tip for teaching of the present invention;
FIG. 10 is a schematic view of the internal structure of another chalk end holding assembly of the teaching aid rounding device with the adaptively protruded chalk end;
FIG. 11 is a schematic structural view of a 90-degree angle adjusting part and an extension adjusting component of the auxiliary circle drawing device with the adaptive protruding chalk head for teaching of the invention;
FIG. 12 is a schematic view of the internal structure of the supporting and mounting block of the auxiliary circle drawing device with the adaptively protruded chalk head for teaching of the present invention;
fig. 13 is a schematic side plan view of the first chucking assembly of the auxiliary circle drawing device with the adaptive protruded chalk head for teaching of the present invention.
In the figure: 1. a circle center mounting part; 2. a circle center fixing component; 21. a rubber suction cup; 22. connecting a sleeve; 23. a confinement plate; 24. an auxiliary adsorption component; 241. a rotating sheet; 242. adjusting the screw rod; 243. a rubber plug; 3. an adjustment member; 31. supporting the mounting block; 311. a limiting groove; 312. a chute; 32. a first chucking assembly; 321. rotating the inserted column; 322. a second foam pad; 323. a second ball bearing; 33. an adjustment assembly; 331. adjusting the rotating head; 332. a central upright post; 333. adjusting the rack; 334. a return spring; 335. a joining block; 34. a set screw; 4. an extension adjustment assembly; 41. an extension block; 411. a triangular clamping groove; 412. radius scale lines; 42. a second chucking assembly; 43. limiting the rotating head; 5. a chalk end fixing part; 51. a joining member; 52. a tapered mounting head; 53. a chalk head holding assembly; 531. an extension sleeve; 532. connecting a threaded pipe; 533. a first rubber pad; 534. a first ball bearing; 536. rotating the threaded column; 535. rotating the head; 537. pressing head; 538. a self-adaptive clamping assembly; 5381. rotating the column; 5382. rotating the connecting piece; 5383. and clamping the reset torsion spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the teaching is with protruding supplementary circle device of drawing of chalk head adaptability, including centre of a circle installed part 1 and the movable centre of a circle fixed component 2 that sets up on centre of a circle installed part 1, one side activity of centre of a circle installed part 1 is provided with adjusting part 3, the adjustable length that extends adjusting part 4 of adjusting part 3, and then the circle of drawing different diameters, adjusting part 3's inboard activity is provided with extends adjusting part 4, the one end that extends adjusting part 4 and keep away from adjusting part 3 is provided with chalk head fixed part 5.
In order to solve the technical problem that the circle center of the existing circle drawing device is not convenient to fix and is easy to loosen, which causes the drawn circle to have larger deviation, please refer to fig. 2-3, the following technical scheme is provided:
circle center fixing component 2 includes rubber suction cup 21 and sets up the adapter sleeve 22 in rubber suction cup 21 one side, and the one end that rubber suction cup 21 was kept away from to adapter sleeve 22 is provided with limiting plate 23, and limiting plate 23 and centre of a circle installed part 1 swing joint, the middle part screw thread of limiting plate 23 run through there is supplementary adsorption component 24.
The auxiliary adsorption assembly 24 comprises a rotating piece 241 and an adjusting screw rod 242 arranged at the lower end of the rotating piece 241, a rubber plug 243 is arranged at the lower end of the adjusting screw rod 242, and the rubber plug 243 is matched with the connecting sleeve 22.
Specifically, press rubber suction cup 21 on the blackboard, carry out preliminary absorption, then rotatory rotor 241, under accommodate the lead screw 242's effect, drive rubber end cap 243 reverse movement, the inside volume grow of rubber suction cup 21 this moment, and then make the pressure increase of air atmosphere to rubber suction cup 21, and then make the absorptive fastening more of rubber suction cup 21, corresponding single rubber suction cup 21 uses for a longer time moreover.
In order to solve the technical problems that the numerical value is not easy to control when the length of the existing circle drawing device is adjusted, the circle drawing device needs to be further fixed manually after the length is adjusted, the operation is troublesome, and the numerical value after the adjustment is easily influenced by manual instability, please refer to fig. 4-6, and the following technical scheme is provided:
the adjusting component 3 comprises a supporting and mounting block 31 and a first clamping and suspending assembly 32 arranged in the middle of one end of the supporting and mounting block 31, and an adjusting assembly 33 is further arranged on the supporting and mounting block 31.
The adjusting assembly 33 comprises an adjusting rotating head 331 and a center upright post 332 arranged at the lower end of the adjusting rotating head 331, a plurality of adjusting racks 333 are arranged at the outer side of the center upright post 332, a return spring 334 is arranged at the inner side of the supporting and mounting block 31 at the lower end of the center upright post 332, a connecting block 335 is arranged at the upper end of the return spring 334, the upper end surface of the connecting block 335 is attached to the lower end surface of the center upright post 332, a limiting groove 311 is further formed in the inner side of the supporting and mounting block 31, and the limiting groove 311 is matched with the adjusting racks 333.
The extension adjusting component 4 comprises an extension block 41 and a second clamping component 42 arranged in the middle of one end of the extension block 41, a triangular clamping groove 411 is formed in one side of the width of the extension block 41, the triangular clamping groove 411 is matched with an adjusting rack 333, and a radius scale mark 412 is printed on one side of the width of the extension block 41.
Specifically, when the length of extension piece 41 needs to be adjusted to control the diameter of circle, press and adjust rotating head 331 and make regulation rack 333 and restriction groove 311 separate, rotate simultaneously and adjust rotating head 331 again, under the matching effect of adjusting rack 333 and triangle draw-in groove 411, can drive extension piece 41 outwards to remove, when the figure that until radius scale mark 412 shows is ideal numerical value, loosen and adjust rotating head 331, this moment under reset spring 334's effort, make in the regulation rack 333 card people restriction groove 311, the automatic locking dies, it is simple and convenient to adjust the operation, and the data precision is high.
In order to solve the technical problems that the existing circle drawing device only fixes the chalk, is inconvenient for self-adaptive clamping of the chalk with different lengths, ensures the chalk head to protrude and has low overall use versatility, please refer to fig. 7-10, and provide the following technical scheme:
the chalk-holding part 5 includes a joint member 51 and a tapered mounting head 52 provided on the joint member 51, and a chalk holding member 53 is provided at a central portion of the tapered mounting head 52.
The chalk head holding assembly 53 comprises an extension sleeve 531 and a connecting threaded pipe 532 arranged at the lower end of the extension sleeve 531, the connecting threaded pipe 532 is in threaded connection with the conical mounting head 52, a plurality of first rubber pads 533 are arranged on the inner sides of the connecting threaded pipe 532 and the connecting threaded pipe 532, first balls 534 are embedded in the outer sides of the first rubber pads 533, a rotary threaded column 536 is arranged in the middle of the extension sleeve 531, a rotary head 535 is arranged on one side of the rotary threaded column 536, and a pressing head 537 is arranged at the other end of the rotary threaded column 536.
Specifically, the chalk is inserted into the inner sides of the connecting threaded pipe 532 and the connecting threaded pipe 532, under the action of the toughness of the first rubber pad 533, the chalk can be clamped in a self-adaptive mode, when a small amount of chalk ends leak out from an inlet of the connecting threaded pipe 532, the rotating head 535 is rotated to drive the pressure resisting head 537 to move downwards, the tail end of the chalk is limited, self-adaptive installation of the chalk is completed, the chalks of different lengths can be clamped and fixed, waste is avoided, then the chalk end clamping component 53 is in threaded connection with the conical installation head 52, and the extension adjusting component 4 can be rotated again to draw a circle.
Further, a plurality of adaptive clamping assemblies 538 are arranged on the inner sides of the connecting threaded pipe 532 and the connecting threaded pipe 532, each adaptive clamping assembly 538 comprises a rotating column 5381 and a rotating connecting piece 5382 movably arranged on the rotating column 5381, and clamping return torsion springs 5383 are arranged on two sides of each rotating connecting piece 5382.
Specifically, chalk is inserted into the inside of the connection threaded pipe 532 and the connection threaded pipe 532, and the chalk can be held more stably inside the connection threaded pipe 532 and the connection threaded pipe 532 by the urging force of the holding return torsion spring 5383.
Still further, chalk end clamping component 53 can regard as independent chalk to prevent disconnected mechanism and use, and the centre gripping of whole piece chalk is fixed through chalk end clamping component 53, can prevent that the chalk from splitting when using, guarantees the maximize utilization of every chalk, and the teacher can not be excessive in addition be infected with the chalk, improves the use multifunctionality of whole device.
The two sides of one end of the adjusting extension block 41 are provided with limiting rotating heads 43, the limiting rotating heads 43 are in a regular hexagon shape viewed from the top, the limiting rotating heads 43 are matched with sliding grooves 312 formed in the inner sides of the supporting and mounting blocks 31, and fixing screws 34 are arranged on the upper sides of the ends, close to the adjusting extension block 41, of the supporting and mounting blocks 31.
The first clamping assembly 32 and the second clamping assembly 42 are identical in structural composition, the first clamping assembly 32 comprises a rotary inserting column 321 and a second spongy cushion 322 arranged on the inner side of the rotary inserting column 321, and a second ball 323 is arranged on the outer side of the second spongy cushion 322.
Further, when needs use the set square, rotatable centre of a circle installed part 190 to it is fixed with centre of a circle fixed component 2 and blackboard, then will adjust extension piece 41 and adjust the limit, then rotate and adjust extension piece 41, rotate under the restriction of regular hexagon rotates head 43 and the cooperation of spout 312, a edges and corners rotates, when having the card pause to feel, adjusting part 3 is 120 with the contained angle that extends adjusting part 4 this moment, when rotating and being blockked by adjusting part 3, adjusting part 3 is 90 with the contained angle that extends adjusting part 4, it screws to say set screw 34 again, and then can use as the set square, further improve the use multifunctionality of supplementary circle device of drawing.
The invention provides another technical scheme that: the implementation method of the auxiliary circle drawing device with the adaptively protruded chalk head for teaching is provided, and comprises the following steps of:
the method comprises the following steps: the rubber suction cup 21 is pressed on the blackboard for preliminary adsorption, then the rotating piece 241 is rotated, under the action effect of the adjusting screw rod 242, the rubber plug 243 is driven to move reversely, at the moment, the volume inside the rubber suction cup 21 is increased, the pressure of the air atmosphere on the rubber suction cup 21 is increased, and the rubber suction cup 21 is adsorbed with the black fastening plate;
step two: the adjusting rotating head 331 is pressed to separate the adjusting rack 333 from the limiting groove 311, the adjusting rotating head 331 is rotated at the same time, under the matching action of the adjusting rack 333 and the triangular clamping groove 411, the extending block 41 can be driven to move outwards until the number displayed by the radius scale mark 412 is an ideal value, the adjusting rotating head 331 is loosened, at the moment, under the action of the return spring 334, the adjusting rack 333 is locked in the limiting groove 311 automatically, and the length adjustment is finished;
step three: the chalk is inserted into the connecting threaded pipe 532 and the inner side of the connecting threaded pipe 532, the chalk can be clamped in a self-adaptive manner under the action of the toughness of the first rubber pad 533, when a small amount of chalk ends leak out from an inlet of the connecting threaded pipe 532, the rotating head 535 is rotated to drive the pressing head 537 to move downwards, the tail end of the chalk is limited, and the chalk is mounted in a self-adaptive manner;
step four: finally, the chalk end holding member 53 is screwed to the mounting head 52, and the extension adjusting member 4 is rotated again to draw a circle.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (10)
1. The auxiliary circle drawing device with the adaptively protruded chalk end for teaching is characterized by comprising a circle center mounting piece (1) and a circle center fixing component (2) movably arranged on the circle center mounting piece (1), wherein an adjusting component (3) is movably arranged on one side of the circle center mounting piece (1), the adjusting component (3) can adjust the length of an extension adjusting component (4) so as to draw circles with different diameters, the extension adjusting component (4) is movably arranged on the inner side of the adjusting component (3), and one end, far away from the adjusting component (3), of the extension adjusting component (4) is provided with a chalk end fixing component (5);
the circle center fixing component (2) comprises a rubber sucker (21) and a connecting sleeve (22) arranged on one side of the rubber sucker (21), a limiting disc (23) is arranged at one end, far away from the rubber sucker (21), of the connecting sleeve (22), the limiting disc (23) is movably connected with the circle center mounting component (1), and an auxiliary adsorption component (24) penetrates through the middle part of the limiting disc (23) in a threaded manner;
the adjusting component (3) comprises a supporting and mounting block (31) and a first clamping and pausing assembly (32) arranged in the middle of one end of the supporting and mounting block (31), and an adjusting assembly (33) is further arranged on the supporting and mounting block (31);
the chalk end fixing part (5) comprises a connecting piece (51) and a conical mounting head (52) arranged on the connecting piece (51), and a chalk end clamping component (53) is arranged in the middle of the conical mounting head (52).
2. The auxiliary circle drawing device with the adaptively protruded chalk end for teaching as claimed in claim 1, wherein the auxiliary absorption assembly (24) comprises a rotating piece (241) and an adjusting screw rod (242) arranged at the lower end of the rotating piece (241), the lower end of the adjusting screw rod (242) is provided with a rubber plug (243), and the rubber plug (243) is matched with the connecting sleeve (22).
3. The auxiliary circle drawing device with the adaptively protruded chalk end for teaching as claimed in claim 2, wherein the adjusting assembly (33) comprises an adjusting rotating head (331) and a center column (332) arranged at the lower end of the adjusting rotating head (331), the outer side of the center column (332) is provided with a plurality of adjusting racks (333), the inner side of the supporting and mounting block (31) at the lower end of the center column (332) is provided with a return spring (334), the upper end of the return spring (334) is provided with a linking block (335), the upper end surface of the linking block (335) is attached to the lower end surface of the center column (332), the inner side of the supporting and mounting block (31) is further provided with a limiting groove (311), and the limiting groove (311) is matched with the adjusting racks (333).
4. The auxiliary circle drawing device with the adaptively protruded chalk end for teaching as claimed in claim 3, wherein the extension adjusting component (4) comprises an extension block (41) and a second clamping component (42) arranged in the middle of one end of the extension block (41), one side of the width of the extension block (41) is provided with a triangular clamping groove (411), the triangular clamping groove (411) is matched with the adjusting rack (333), and one side of the width of the extension block (41) is printed with a radius scale mark (412).
5. The auxiliary circle drawing device with the adaptively protruded chalk head for teaching as claimed in claim 4, wherein the chalk head holding assembly (53) comprises an extension sleeve (531) and a connection threaded pipe (532) arranged at the lower end of the extension sleeve (531), the connection threaded pipe (532) is in threaded connection with the cone mounting head (52), a plurality of first rubber pads (533) are arranged at the inner sides of the connection threaded pipe (532) and the connection threaded pipe (532), a first ball (534) is embedded at the outer side of the first rubber pads (533), a rotary threaded column (536) is arranged at the middle part of the extension sleeve (531), a rotating head (535) is arranged at one side of the rotary threaded column (536), and a pressing head (537) is arranged at the other end of the rotary threaded column (536).
6. The auxiliary circle drawing device with the adaptively protruded chalk head for teaching as claimed in claim 5, wherein a plurality of adaptive clamping components (538) are provided at the inner sides of the connecting threaded pipe (532) and the connecting threaded pipe (532), the adaptive clamping components (538) comprise a rotating column (5381) and a rotating connecting piece (5382) movably provided on the rotating column (5381), and clamping return torsion springs (5383) are provided at both sides of the rotating connecting piece (5382).
7. The auxiliary circle drawing device with the adaptively protruded chalk end for teaching as claimed in claim 6, wherein both sides of one end of the adjusting extension block (41) are provided with the rotation limiting heads (43), the rotation limiting heads (43) are in a regular hexagon shape viewed from the top, the rotation limiting heads (43) are matched with the sliding grooves (312) formed on the inner side of the supporting and mounting block (31), and the fixing screws (34) are arranged on the upper side of one end of the supporting and mounting block (31) close to the adjusting extension block (41).
8. The teaching chalk head adaptively protruded circle assisting device as recited in claim 7, wherein the first catching assembly (32) and the second catching assembly (42) are identical in structure, the first catching assembly (32) comprises a rotary inserting column (321) and a second sponge pad (322) arranged at an inner side of the rotary inserting column (321), and a second ball (323) is arranged at an outer side of the second sponge pad (322).
9. A method for implementing the auxiliary circle drawing device with the teaching chalk head capable of adaptively protruding as claimed in any one of claims 1-8, comprising the following steps:
s1: the rubber sucker (21) is pressed on a blackboard for preliminary adsorption, then the rotating piece (241) is rotated, under the action effect of the adjusting screw rod (242), the rubber plug (243) is driven to move reversely, the volume inside the rubber sucker (21) is increased at the moment, the pressure of air atmosphere on the rubber sucker (21) is increased, and the rubber sucker (21) is adsorbed with the black fastening plate;
s2: the adjusting rotating head (331) is pressed to separate the adjusting rack (333) from the limiting groove (311), the adjusting rotating head (331) is rotated at the same time, under the matching action of the adjusting rack (333) and the triangular clamping groove (411), the extending block (41) can be driven to move outwards until the number displayed by the radius scale mark (412) is an ideal value, the adjusting rotating head (331) is loosened, and at the moment, under the action force of the return spring (334), the adjusting rack (333) is clamped in the limiting groove (311) and automatically locked, and the length adjustment is finished;
s3: the chalk is inserted into the inner sides of the connecting threaded pipe (532) and the connecting threaded pipe (532), the chalk can be clamped in a self-adaptive mode under the toughness action of the first rubber pad (533), when a small amount of chalk heads leak out of an inlet of the connecting threaded pipe (532), the rotating head (535) is rotated to drive the pressing head (537) to move downwards, the tail end of the chalk is limited, and then the chalk is mounted in a self-adaptive mode;
s4: finally, the chalk end holding component (53) is connected with the conical mounting head (52) in a threaded mode, and the extension adjusting component (4) is rotated again to draw a circle.
10. An implementation method of the auxiliary circle drawing device with the adaptively protruded teaching chalk head as claimed in claim 9, it is characterized in that when the set square is needed to be used in S2, the circle center mounting piece (1) can be rotated by 90 degrees, the circle center fixing component (2) is fixed with the blackboard, then adjusting the adjusting extension block (41) to the limit, then rotating the adjusting extension block (41), when the rotation limiting head (43) of the regular hexagon is matched with the sliding groove (312) to rotate an edge angle and a stuck feeling is generated, the included angle between the adjusting component (3) and the extension adjusting component (4) is 120 degrees, when the adjusting component (3) rotates to be blocked by the adjusting component (3), the included angle between the adjusting component (3) and the extension adjusting component (4) is 90 degrees, and then the fixing screw (34) is screwed, and then can use as the set square, further improve the use multifunctionality of supplementary circle device.
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0735098U (en) * | 1993-12-15 | 1995-06-27 | 拓治 和田 | Multi-function ruler |
| CN201254030Y (en) * | 2008-08-26 | 2009-06-10 | 文静 | Compasses for teaching |
| KR200455612Y1 (en) * | 2011-06-14 | 2011-09-20 | 황예지 | Suction Plate Compass |
| CN202006676U (en) * | 2010-08-04 | 2011-10-12 | 陈沈洋 | Vernier sucker teaching compasses |
| CN203172279U (en) * | 2013-03-30 | 2013-09-04 | 徐洁 | Telescopic compasses |
| CN205326597U (en) * | 2016-01-12 | 2016-06-22 | 夏倩倩 | Portable compasses are used in teaching |
| CN206049140U (en) * | 2016-04-28 | 2017-03-29 | 陆安琪 | It is a kind of can measuring angle compasses for teaching |
| WO2018035755A1 (en) * | 2016-08-24 | 2018-03-01 | 朱小涛 | Ellipsograph |
| CN207274232U (en) * | 2017-05-25 | 2018-04-27 | 王洪生 | A kind of compass for math teaching |
| KR101932476B1 (en) * | 2017-11-06 | 2018-12-26 | 김영진 | Compass |
| CN109895546A (en) * | 2019-04-23 | 2019-06-18 | 朱元铭 | A kind of Multifunctional compasses ruler and its drawing practice |
| CN209794994U (en) * | 2019-05-10 | 2019-12-17 | 沙迪 | compasses for blackboard |
| CN210970456U (en) * | 2018-09-10 | 2020-07-10 | 湖南城市学院 | Multifunctional ruler for mathematics |
-
2021
- 2021-12-23 CN CN202111590012.0A patent/CN114228373B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0735098U (en) * | 1993-12-15 | 1995-06-27 | 拓治 和田 | Multi-function ruler |
| CN201254030Y (en) * | 2008-08-26 | 2009-06-10 | 文静 | Compasses for teaching |
| CN202006676U (en) * | 2010-08-04 | 2011-10-12 | 陈沈洋 | Vernier sucker teaching compasses |
| KR200455612Y1 (en) * | 2011-06-14 | 2011-09-20 | 황예지 | Suction Plate Compass |
| CN203172279U (en) * | 2013-03-30 | 2013-09-04 | 徐洁 | Telescopic compasses |
| CN205326597U (en) * | 2016-01-12 | 2016-06-22 | 夏倩倩 | Portable compasses are used in teaching |
| CN206049140U (en) * | 2016-04-28 | 2017-03-29 | 陆安琪 | It is a kind of can measuring angle compasses for teaching |
| WO2018035755A1 (en) * | 2016-08-24 | 2018-03-01 | 朱小涛 | Ellipsograph |
| CN207274232U (en) * | 2017-05-25 | 2018-04-27 | 王洪生 | A kind of compass for math teaching |
| KR101932476B1 (en) * | 2017-11-06 | 2018-12-26 | 김영진 | Compass |
| CN210970456U (en) * | 2018-09-10 | 2020-07-10 | 湖南城市学院 | Multifunctional ruler for mathematics |
| CN109895546A (en) * | 2019-04-23 | 2019-06-18 | 朱元铭 | A kind of Multifunctional compasses ruler and its drawing practice |
| CN209794994U (en) * | 2019-05-10 | 2019-12-17 | 沙迪 | compasses for blackboard |
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| Publication number | Publication date |
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| CN114228373B (en) | 2022-10-11 |
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Effective date of registration: 20240223 Address after: 222100 No. 311, Huanghai East Road, Qingkou Town, Ganyu District, Lianyungang City, Jiangsu Province Patentee after: Lianyungang Ganyu District Intellectual Property Protection Assistance Center (Lianyungang Ganyu District Intellectual Property Protection and Service Center) Country or region after: China Address before: 222100 dormitory of zhewang Central Primary School, Ganyu District, Lianyungang City, Jiangsu Province Patentee before: Chen Yan Country or region before: China |