CN208584986U - A kind of mathematics displaying device - Google Patents
A kind of mathematics displaying device Download PDFInfo
- Publication number
- CN208584986U CN208584986U CN201820366200.2U CN201820366200U CN208584986U CN 208584986 U CN208584986 U CN 208584986U CN 201820366200 U CN201820366200 U CN 201820366200U CN 208584986 U CN208584986 U CN 208584986U
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- CN
- China
- Prior art keywords
- line wheel
- fixedly connected
- sliding block
- transverse slat
- sliding slot
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Abstract
A kind of mathematics displaying device, belong to art of mathematics, including transverse slat, bull stick is arranged in the lower center position of transverse slat, the top of bull stick is fixedly connected with the inner ring of first bearing, the outer ring of first bearing is fixedly connected with the lower center position of transverse slat, the bottom end of bull stick is fixedly connected with the central location of sucker, one sliding slot is each side set in cross bar, sliding block is set in sliding slot, spring is set between sliding block and the side wall of sliding slot, the upper and lower ends of sliding slot respectively open up a through groove, the width of through groove sliding block is greater than the width of through groove, link is arranged in the top of sliding block, chalk fixing pipe is arranged in the lower part of sliding block, line wheel is arranged in the top center position of transverse slat, line wheel controls the rotation of line wheel by line wheel rotating device, two bracing wires can be wound in line wheel, one end of bracing wire is fixedly connected with line wheel, the other end of bracing wire passes through tying-up respectively and is fixed on pair On the link answered.The utility model energy assisted teacher easily draws ellipse on blackboard, is convenient for teachers ' teaching.
Description
Technical field
The utility model belongs to art of mathematics, specifically a kind of mathematics displaying device.
Background technique
Mathematics is the important subject in teaching, and teacher says student by blackboard writing on the blackboard in teaching process at present
Solution, but the form of picture is generallyd use when explaining geometry to explain, about elliptical analytic geometry one in analytic geometry
It is directly a difficult point, and middle college entrance examination is also the knowledge point that must be examined about elliptical analytic geometry, but due to current aided education
Device is limited, and teacher is not easy to draw ellipse on blackboard, is convenient for teachers ' teaching.
Utility model content
The utility model provides a kind of mathematics displaying device, to solve defect in the prior art.
The utility model is achieved by the following technical programs:
Bull stick is arranged in a kind of mathematics displaying device, including transverse slat, the lower center position of the transverse slat, and described turns
The top of bar is fixedly connected with the inner ring of first bearing, and the outer ring of the first bearing and the lower center position of transverse slat are fixed
Connection, the bottom end of the bull stick is fixedly connected with the central location of sucker, a cunning is each side arranged in the cross bar
Sliding block is arranged in the sliding slot for slot, is arranged spring between the sliding block and the side wall of sliding slot, and up and down the two of the sliding slot
End respectively opens up a through groove, and the width of the through groove sliding block is greater than the width of through groove, and link is arranged in the top of the sliding block,
Chalk fixing pipe is arranged in the lower part of the sliding block, and line wheel is arranged in the top center position of the transverse slat, and the line wheel is logical
Wire-crossing wheel rotating device controls the rotation of line wheel, can wind two bracing wires, one end of the bracing wire and line in the line wheel
Wheel is fixedly connected, and the other end of the bracing wire passes through tying-up respectively and is fixed on corresponding link.
A kind of mathematics as described above is with device is shown, the line wheel rotating device includes shaft, the shaft
Top is fixedly connected with the lower center position of line wheel, and the bottom of the shaft is fixedly connected with the inner ring of second bearing, institute
The second bearing outer ring stated is fixedly connected with the lower center position of transverse slat, and rocking handle is arranged at the top of the line wheel.
A kind of mathematics as described above is with device is shown, the line wheel rotating device includes stepper motor, the step
Output shaft into motor is fixedly connected with line wheel lower center position, and battery is arranged below the stepper motor, and battery passes through
Conducting wire is connect with stepper motor.
For a kind of mathematics as described above with showing device, the side of the sliding slot opens up strip hole, the sliding block with
Screw rod is arranged in the corresponding side of strip hole, and the screw rod passes through strip hole, and nut is arranged in the periphery of the screw rod, described
Screw rod is connect with nut thread, and the nut can not pass through strip hole.
The utility model has the advantages that: the utility model energy assisted teacher easily draws ellipse on blackboard, convenient for religion
Education of school.Chalk is put into chalk fixing pipe by the utility model when in use, and by the fixed even blackboard of sucker, cross bar is rotated
Onto horizontal position, a then hand rotating horizontal pole, while driving line wheel to rotate forward to drive by line wheel rotating device
Line wheel on guy winding, thus with chalk in the chalk fixing pipe and chalk fixing pipe under movable slider and sliding block towards line wheel side
To movement, line wheel rotating device is adjusted when cross bar is moved to vertical position and drives line wheel to rotate backward thus with movable slider in bullet
It is directed away from the direction movement of line wheel under the action of spring, ellipse drawing can be completed when cross bar is moved to horizontal position herein,
It is easy to operate, it is easy to use.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the first structure diagram of the utility model；
Fig. 2 is second structural schematic diagram of the utility model；
Fig. 3 is the A direction view of Fig. 1；
Fig. 4 is the B direction view of Fig. 1；
Fig. 5 is enlarged drawing of the Fig. 1 along the cross-sectional view of C-C.
Appended drawing reference: 1, transverse slat；2, bull stick；3, first bearing；4, sucker；5, sliding slot；6, sliding block；7, spring；8, through groove；
9, link；10, chalk fixing pipe；11, line wheel；12, bracing wire；13, shaft；14, second bearing；15, rocking handle；16, stepper motor；
17, battery；18, strip hole；19, screw rod；20, nut.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
A kind of mathematics displaying device, including transverse slat 1, bull stick 2 is arranged in the lower center position of the transverse slat 1, described
The top of bull stick 2 be fixedly connected with the inner ring of first bearing 3, the outer ring of the first bearing 3 and the bottom center of transverse slat 1
Position is fixedly connected, and the bottom end of the bull stick 2 is fixedly connected with the central location of sucker 4, in the cross bar 2 each side
One sliding slot 5 is set, sliding block 6 is set in the sliding slot 5, spring 7, institute are set between the sliding block 6 and the side wall of sliding slot 5
The upper and lower ends for the sliding slot 5 stated respectively open up a through groove 8, and the width of 8 sliding block 6 of through groove is greater than the width of through groove 8, described
The top of sliding block 6 link 9 is set, the lower part of the sliding block 6 is arranged chalk fixing pipe 10, in the top of the transverse slat 1
Entreat position that line wheel 11 is set, the line wheel 11 controls the rotation of line wheel 11 by line wheel rotating device, in the line wheel 11
Two bracing wires 12 can be wound, one end of the bracing wire 12 is fixedly connected with line wheel 11, the other end difference of the bracing wire 12
It is fixed on corresponding link 9 by tying-up.Chalk is put into chalk fixing pipe 10 by the utility model when in use, by sucker
On 4 fixed even blackboards, cross bar 1 is turned on horizontal position, then a hand rotating horizontal pole 1, while being rotated and being filled by line wheel
It sets and line wheel 11 is driven to rotate forward that bracing wire 12 is driven to wind upper line wheel 11, thus with the chalk under movable slider 6 and sliding block 6
Chalk 10 is mobile towards 11 direction of line wheel in fixing pipe 10 and chalk fixing pipe 10, the adjustment when cross bar 1 is moved to vertical position
Line wheel rotating device drives line wheel 11 to rotate backward the side for being directed away from line wheel 11 under the action of spring 7 with movable slider 6
To movement, ellipse drawing can be completed when cross bar 1 is moved to horizontal position herein, it is easy to operate, it is easy to use.
Specifically, line wheel rotating device described in the present embodiment includes shaft 13, the top of the shaft 13 and line
The lower center position of wheel 11 is fixedly connected, and the bottom of the shaft 13 is fixedly connected with the inner ring of second bearing 14, described
14 outer ring of second bearing be fixedly connected with the lower center position of transverse slat 1, at the top of the line wheel 11 be arranged rocking handle 15.This reality
With it is novel in use process when transverse slat 1 is moved to vertical position from horizontal position, pass through rocking handle 15 and drive line wheel 11
It rotates forward, when transverse slat 1 is moved to vertical position, unclamps rocking handle 15, be directed away from line under the action of sliding block 6 is in spring 7
The direction movement of wheel 11, to complete ellipse drawing.
Specifically, teacher is difficult to grasp rotation when using initial stage due to using the utility model to rotate line wheel 11 manually
Relationship between line wheel velocity of rotation and transverse slat velocity of rotation, so as to cause need through after a period of time using could it is skilled and
Quickly draw oval, being not easy to teacher's initial stage uses, in order to overcome the above problem, line wheel rotating device described in the present embodiment
Including stepper motor 16, the output shaft of the stepper motor 16 is fixedly connected with 11 lower center position of line wheel, the step
Battery 17 is set below into motor 16, and battery 17 is connect by conducting wire with stepper motor 16.Pass through the conversion on stepper motor 16
Switch, can replace the rotation direction of not only motor, easily so as to easily draw ellipse.
Further, also more inconvenient when drawing round due to current teacher, in order to overcome the above problem, the present embodiment
The side of the sliding slot 5 opens up strip hole 18, and screw rod 19 is arranged in the sliding block 6 side corresponding with strip hole 18, described
Screw rod 19 passes through strip hole 18, and nut 20 is arranged in the periphery of the screw rod 19, and the screw rod 19 and 20 screw thread of nut connect
It connects, the nut 20 can not pass through strip hole 18.Can be fixed by sliding block 6 by screw rod 19 and nut 20, then fixed
Chalk is placed in the chalk fixing pipe 10 of 6 lower section of sliding block, rotation transverse slat 1 can easily draw a circle, while by changing
The corresponding position for becoming sliding block 6 can easily draw different size of circle, use convenient for teacher.
Embodiment 1
A kind of mathematics displaying device, including transverse slat 1, bull stick 2 is arranged in the lower center position of the transverse slat 1, described
The top of bull stick 2 be fixedly connected with the inner ring of first bearing 3, the outer ring of the first bearing 3 and the bottom center of transverse slat 1
Position is fixedly connected, and the bottom end of the bull stick 2 is fixedly connected with the central location of sucker 4, in the cross bar 2 each side
One sliding slot 5 is set, sliding block 6 is set in the sliding slot 5, the side of the sliding slot 5 opens up strip hole 18, the sliding block
Screw rod 19 is arranged in 6 sides corresponding with strip hole 18, and the screw rod 19 passes through strip hole 18, and the periphery of the screw rod 19 is set
Nut 20 is set, the screw rod 19 is threadedly coupled with nut 20, and the nut 20 can not pass through strip hole 18, the sliding block
Spring 7 is set between 6 and the side wall of sliding slot 5, and the upper and lower ends of the sliding slot 5 respectively open up a through groove 8, the through groove 8
The width of sliding block 6 is greater than the width of through groove 8, and link 9 is arranged in the top of the sliding block 6, and powder is arranged in the lower part of the sliding block 6
Line wheel 11 is arranged in fixing pipe 10, the top center position of the transverse slat 1, and the line wheel 11 passes through the control of line wheel rotating device
The rotation of line wheel 11 processed, the line wheel rotating device include shaft 13, the top of the shaft 13 and the bottom of line wheel 11
Central location is fixedly connected, and the bottom of the shaft 13 is fixedly connected with the inner ring of second bearing 14, the second bearing
14 outer rings are fixedly connected with the lower center position of transverse slat 1, setting rocking handle 15 at the top of the line wheel 11, in the line wheel 11
Two bracing wires 12 can be wound, one end of the bracing wire 12 is fixedly connected with line wheel 11, the other end difference of the bracing wire 12
It is fixed on corresponding link 9 by tying-up.
Embodiment 2
A kind of mathematics displaying device, including transverse slat 1, bull stick 2 is arranged in the lower center position of the transverse slat 1, described
The top of bull stick 2 be fixedly connected with the inner ring of first bearing 3, the outer ring of the first bearing 3 and the bottom center of transverse slat 1
Position is fixedly connected, and the bottom end of the bull stick 2 is fixedly connected with the central location of sucker 4, in the cross bar 2 each side
One sliding slot 5 is set, sliding block 6 is set in the sliding slot 5, the side of the sliding slot 5 opens up strip hole 18, the sliding block
Screw rod 19 is arranged in 6 sides corresponding with strip hole 18, and the screw rod 19 passes through strip hole 18, and the periphery of the screw rod 19 is set
Nut 20 is set, the screw rod 19 is threadedly coupled with nut 20, and the nut 20 can not pass through strip hole 18, the sliding block
Spring 7 is set between 6 and the side wall of sliding slot 5, and the upper and lower ends of the sliding slot 5 respectively open up a through groove 8, the through groove 8
The width of sliding block 6 is greater than the width of through groove 8, and link 9 is arranged in the top of the sliding block 6, and powder is arranged in the lower part of the sliding block 6
Line wheel 11 is arranged in fixing pipe 10, the top center position of the transverse slat 1, and the line wheel 11 passes through the control of line wheel rotating device
The rotation of line wheel 11 processed, the line wheel rotating device include stepper motor 16, the output shaft and line of the stepper motor 16
It takes turns 11 lower center positions to be fixedly connected, battery 17 is set below the stepper motor 16, battery 17 passes through conducting wire and stepping
Motor 16 connects, and can wind two bracing wires 12 in the line wheel 11, and one end of the bracing wire 12 is fixedly connected with line wheel 11,
The other end of the bracing wire 12 passes through tying-up respectively and is fixed on corresponding link 9.
Finally, it should be noted that in the description of the utility model, it is to be understood that term " top ", " bottom ", " one
End ", " other end ", " top ", " bottom end ", "upper", "lower", "left", "right", " side ", "inner", " middle part ", " center ", " two
The orientation or positional relationship of the instructions such as end " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing this reality
It is described with novel with simplified, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore should not be understood as limiting the present invention.In the present invention, unless otherwise specific
Regulation and restriction, the terms such as term " installation ", " setting ", " connection ", " fixation ", " rotation connection " shall be understood in a broad sense, for example,
Can be fixedly connected, also can be to be detachably connected, or it is integral；It can be mechanical connection, also can be electrical connection；It can
It is to be connected directly, also can is indirectly connected through an intermediary the phase of the connection or two elements inside two elements
Unless otherwise restricted clearly interaction relationship for the ordinary skill in the art, can manage as the case may be
Solve the concrete meaning of above-mentioned term in the present invention.Above embodiments are only to illustrate the technical solution of the utility model,
Rather than its limitations；Although the utility model is described in detail with reference to the foregoing embodiments, the ordinary skill of this field
Personnel are it is understood that it is still possible to modify the technical solutions described in the foregoing embodiments, or to part
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The spirit and scope of each embodiment technical solution of type.
Claims (4)
1. a kind of mathematics displaying device, it is characterised in that: including transverse slat (1), the lower center position of the transverse slat (1) is set
It sets bull stick (2), the top of the bull stick (2) is fixedly connected with the inner ring of first bearing (3), the first bearing (3)
Outer ring is fixedly connected with the lower center position of transverse slat (1), and the bottom end of the bull stick (2) is fixedly connected with the center of sucker (4)
Position, the bull stick (2) is interior to be each side arranged a sliding slot (5), and sliding block (6) are arranged in the sliding slot (5), described
Sliding block (6) and sliding slot (5) side wall between spring (7) are set, the upper and lower ends of the sliding slot (5) respectively open up a through groove
(8), the width of the through groove (8) sliding block (6) is greater than the width of through groove (8), and link is arranged in the top of the sliding block (6)
(9), chalk fixing pipe (10) are arranged in the lower part of the sliding block (6), and line wheel is arranged in the top center position of the transverse slat (1)
(11), the line wheel (11) controls the rotation of line wheel (11) by line wheel rotating device, can wind in the line wheel (11)
One end of two bracing wires (12), the bracing wire (12) is fixedly connected with line wheel (11), the other end point of the bracing wire (12)
It is not fixed on corresponding link (9) by tying-up.
2. a kind of mathematics according to claim 1 is with showing device, it is characterised in that: the line wheel rotating device includes
The top of shaft (13), the shaft (13) is fixedly connected with the lower center position of line wheel (11), the shaft (13)
Bottom be fixedly connected with the inner ring of second bearing (14), the bottom center of the second bearing (14) outer ring and transverse slat (1)
Position is fixedly connected, and rocking handle (15) are arranged at the top of the line wheel (11).
3. a kind of mathematics according to claim 1 is with showing device, it is characterised in that: the line wheel rotating device includes
The output shaft of stepper motor (16), the stepper motor (16) is fixedly connected with line wheel (11) lower center position, described
Battery (17) are set below stepper motor (16), battery (17) is connect by conducting wire with stepper motor (16).
4. a kind of mathematics according to claim 1 displaying device, it is characterised in that: open the side of the sliding slot (5)
If strip hole (18), the sliding block (6) side setting screw rod (19) corresponding with strip hole (18), the screw rod (19) are worn
It crosses strip hole (18), nut (20) are arranged in the periphery of the screw rod (19), and the screw rod (19) and nut (20) screw thread connect
It connects, the nut (20) can not pass through strip hole (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820366200.2U CN208584986U (en) | 2018-03-16 | 2018-03-16 | A kind of mathematics displaying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820366200.2U CN208584986U (en) | 2018-03-16 | 2018-03-16 | A kind of mathematics displaying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208584986U true CN208584986U (en) | 2019-03-08 |
Family
ID=65532379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820366200.2U Expired - Fee Related CN208584986U (en) | 2018-03-16 | 2018-03-16 | A kind of mathematics displaying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208584986U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110816128A (en) * | 2019-11-20 | 2020-02-21 | 韩登利 | Special drawing device of higher mathematics |
| CN112172387A (en) * | 2020-09-27 | 2021-01-05 | 安徽理工大学 | Mathematical modeling teaching aid |
| CN112793339A (en) * | 2021-02-04 | 2021-05-14 | 日照职业技术学院 | Mathematics teaching is with automatic drawing device |
-
2018
- 2018-03-16 CN CN201820366200.2U patent/CN208584986U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110816128A (en) * | 2019-11-20 | 2020-02-21 | 韩登利 | Special drawing device of higher mathematics |
| CN110816128B (en) * | 2019-11-20 | 2023-08-04 | 莱芜职业技术学院 | Drawing device special for higher mathematics |
| CN112172387A (en) * | 2020-09-27 | 2021-01-05 | 安徽理工大学 | Mathematical modeling teaching aid |
| CN112793339A (en) * | 2021-02-04 | 2021-05-14 | 日照职业技术学院 | Mathematics teaching is with automatic drawing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190308 Termination date: 20200316 |