CN208558788U - A kind of drawing tools for mathematics class - Google Patents
A kind of drawing tools for mathematics class Download PDFInfo
- Publication number
- CN208558788U CN208558788U CN201820960503.7U CN201820960503U CN208558788U CN 208558788 U CN208558788 U CN 208558788U CN 201820960503 U CN201820960503 U CN 201820960503U CN 208558788 U CN208558788 U CN 208558788U
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- CN
- China
- Prior art keywords
- bar
- groove
- drawing tools
- support plate
- swingle
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of drawing tools for mathematics class, including tool body, card slot is provided on the outside of fixed link, the side of card slot is provided with fixed baffle, the side of fixed baffle, which is provided with, is telescopically connected to bar, the two sides of the mounting hole are provided with holding tank, the side of arc groove one is provided with angle index line, the utility model mounting hole is internally provided with fixed link, fixed link is internally provided with through-hole, through-hole is internally provided with swingle, the top of swingle is provided with rotating handles, the bottom end of swingle is provided with telescopic supporting rod, the top of telescopic supporting rod is provided with sleeve, a slot is provided in the middle part of sleeve, it is convenient for the installation and use of swingle by fixed link, by telescopic supporting rod it is convenient for that round radius is adjusted, it is convenient for the storage of chalk by slot.
Description
Technical field
The utility model relates to teaching aid technical fields, and in particular to a kind of drawing tools for mathematics class.
Background technique
Teaching aid is exactly teacher when giving lessons, for the auxiliary tool drawn, it will usually have set square or straight
Ruler etc.
For mathematics class, the calculating of figure be more, traditional teaching aid be it is more dispersed, ruler cannot be drawn
Circle, is usually all effectively to limit, if it is desired to which straight line or round simultaneous graphic system need at least two teaching aids, compare
Trouble, if it is desired to which the angle of figure has been finished in measurement, it is also necessary to a kind of teaching aid, it is more various, it has not been convenient to carry, pass
The teaching aid of the measurement angle of system, observing effect are bad, it has not been convenient to be aligned, measurement is also inconvenient.
Utility model content
(1) technical problems to be solved
In order to overcome the shortage of prior art, it is proposed that a kind of drawing tools for mathematics class, to solve it is inconvenient to carry,
The problem of being not easy to measure and be not easy to observation achievees the effect that be convenient for carrying, precise measurement and convenient for drawing.
(2) technical solution
The utility model is achieved through the following technical solutions: the utility model proposes a kind of picture works for mathematics class
Have, including tool body, be provided with support plate in the middle part of the tool body, be provided with mounting hole in the middle part of the support plate,
The mounting hole is internally provided with fixed link, and the fixed link is internally provided with through-hole, and the through-hole is internally provided with
Swingle, the top of the swingle are provided with rotating handles, and the bottom end of the swingle is provided with telescopic supporting rod, described to stretch
The top of contracting support rod is provided with sleeve, and a slot is provided in the middle part of the sleeve, is provided with card slot on the outside of the fixed link,
The side of the card slot is provided with fixed baffle, and the side of the fixed baffle, which is provided with, is telescopically connected to bar, described to be telescopically connected to
One end of bar is provided with pull ring, and one end of the fixed baffle is provided with retainer ring, and the two sides of the mounting hole are provided with storage
Slot, the both ends of the holding tank are provided with magnet one, and the side of the support plate is provided with isosceles triangle panel, described etc.
The side of lumbar triangle shape panel is provided with arc groove one, and the inside of the arc groove one is provided with sliding slot, and the arc is recessed
The side of slot one is provided with angle index line, and the other side of the support plate is provided with right angled triangle panel, the right angle three
The side of angular panel is provided with arc groove two, and the side of the isosceles triangle panel and right angled triangle panel is provided with
The bottom end of magnet two, the isosceles triangle panel and right angled triangle panel is provided with groove, one end of the support plate
It is provided with fixing groove one, the fixing groove one is internally provided with reinforcing bar, the isosceles triangle panel and right angled triangle
The side of panel is provided with telescopic moving bar, and the side on the surface of the support plate, which is provided with, guides and supports handle.
Further, the fixed link is plugged on the inside of mounting hole, and the mounting hole is connected to holding tank, the rotation
Bar is connected with fixed link by through-hole, and the rotating handles and telescopic supporting rod are connected by screw to swingle, the set
Cylinder and telescopic supporting rod are connected by screw to.
Further, the card slot and retainer ring are used cooperatively, and the fixed baffle and holding tank are used cooperatively, the fixation
Baffle and sliding slot are used cooperatively.
Further, described to be telescopically connected to bar and fixed baffle is connected by screw to, the pull ring and to be telescopically connected to bar logical
Cross threaded connection.
Further, the magnet one and magnet two are used cooperatively, described to guide and support handle and support plate is connected by screw to.
Further, the telescopic supporting rod and groove are used cooperatively, the arc groove one and arc groove two with
Telescopic supporting rod is used cooperatively, and the telescopic moving bar is plugged on the inside of fixing groove one, the telescopic moving bar and reinforcing bar
It is used cooperatively.
Further, the side of the isosceles triangle panel and right angled triangle panel is provided with loose slot, described
Loose slot is internally provided with connecting rod.
Further, rotary shaft is provided in the middle part of the connecting rod, the rotary shaft and telescopic moving bar pass through welding.
Further, the other side of the isosceles triangle panel and right angled triangle panel is provided with inserting groove, described
One end of support plate is provided with fixing groove two.
Further, the fixing groove two is internally provided with shank, and one end of the fixing groove two and shank is equal
It is provided with magnet three, the shank is crossed rotary shaft with fixing groove two-way and connected, and the shank and inserting groove are used cooperatively.
(3) beneficial effect
The utility model compared with the existing technology, has the advantages that
1), inconvenient to carry to solve the problems, such as, the design proposes that the both ends of holding tank are provided with magnet one, isosceles triangle
The side of panel and right angled triangle panel is provided with magnet two, and the bottom end of isosceles triangle panel and right angled triangle panel is equal
It is arranged fluted, one end of support plate is provided with fixing groove one, and fixing groove one is internally provided with reinforcing bar, isosceles triangle face
The side of plate and right angled triangle panel is provided with telescopic moving bar, and the side on the surface of support plate, which is provided with, guides and supports handle,
The side of isosceles triangle panel and right angled triangle panel is provided with loose slot, and loose slot is internally provided with connecting rod,
It is provided with rotary shaft, rotary shaft and telescopic moving bar in the middle part of connecting rod and passes through welding, isosceles triangle panel and right angle trigonometry
The other side of shape panel is provided with inserting groove, and one end of support plate is provided with fixing groove two, and being internally provided with for fixing groove two is slotting
One end of extension bar, fixing groove two and shank is provided with magnet three, and shank is crossed rotary shaft with fixing groove two-way and connected, grafting
Bar and inserting groove solve the problems, such as to be convenient for carrying, there is the beneficial effect of installation and the carrying convenient for tool body with the use of design
Fruit.
2), to solve to be not easy to observation problem, the design proposes to be provided with card slot on the outside of fixed link, and the side of card slot is set
It is equipped with fixed baffle, the side of fixed baffle, which is provided with, is telescopically connected to bar, and the one end for being telescopically connected to bar is provided with pull ring, fixed gear
One end of plate is provided with retainer ring, and the two sides of the mounting hole are provided with holding tank, and the side of isosceles triangle panel is provided with
Arc groove one, the inside of arc groove one are provided with sliding slot, and the side of arc groove one is provided with the design of angle index line, solution
Precise measurement of having determined problem has convenient for the measurement to fillet degree, reduces the beneficial effect of error.
3), to solve to be convenient for problem of drawing, the design proposes to be provided with mounting hole, the inside of mounting hole in the middle part of support plate
It is provided with fixed link, fixed link is internally provided with through-hole, and through-hole is internally provided with swingle, and the top of swingle is provided with
Rotating handles, the bottom end of swingle are provided with telescopic supporting rod, and the top of telescopic supporting rod is provided with sleeve, sets in the middle part of sleeve
It is equipped with a slot, the side of support plate is provided with isosceles triangle panel, and the other side of support plate is provided with right angled triangle panel
Design, solves the problems, such as figure drawing, has convenient for circle, isosceles triangle panel, right angled triangle panel and straight line drawing
Beneficial effect.
Detailed description of the invention
Fig. 1 is the tool body structure schematic diagram of the utility model.
Fig. 2 is the supporting plate structure schematic diagram of the utility model.
Fig. 3 is the isosceles triangle panel construction schematic diagram of the utility model.
Fig. 4 is the right angled triangle panel construction schematic diagram of the utility model.
Fig. 5 is the rotating rod structure schematic diagram of the utility model.
Fig. 6 is the fixed baffle structural schematic diagram of the utility model.
1- tool body；2- support plate；3- mounting hole；4- fixed link；5- through-hole；6- swingle；7- rotating handles；8- stretches
Contracting support rod；9- sleeve；10- slot；11- card slot；12- fixed baffle；13- is telescopically connected to bar；14- pull ring；15- retainer ring；16-
Holding tank；17- magnet one；18- isosceles triangle panel；19- arc groove one；20- sliding slot；21- angle index line；22- is straight
Angle triangular panels；23- arc groove two；24- magnet two；25- groove；26- fixing groove one；27- reinforcing bar；28- is flexible to be moved
Lever；29- guides and supports handle；30- loose slot；31- connecting rod；32- inserting groove；33- fixing groove two；34- shank.
Specific embodiment
In the technical program:
4- fixed link, 5- through-hole, 6- swingle, 7- rotating handles, 8- telescopic supporting rod, 9- sleeve, 10- slot, 12 are consolidated
Determine baffle, 13- is telescopically connected to bar, 14- pull ring, 18 isosceles triangle panels, 21- angle index line, 22- right angled triangle face
Plate, 27 reinforcing bars, 28- telescopic moving bar, 31- connecting rod, 32- inserting groove, 34- shank are that the utility model contains substantive wound
New property component.
1- tool body, 2- support plate, 3- mounting hole, 11- card slot, 15- retainer ring, 16- holding tank, 17- magnet one, 19-
Arc groove one；20- sliding slot, 23- arc groove two, 24- magnet two, 25- groove, 26- fixing groove one, 29- guide and support handle,
30- loose slot, 33- fixing groove two are to realize the essential connectivity component of technical solutions of the utility model.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
A kind of drawing tools for mathematics class as shown in figures 1 to 6, including tool body 1, the middle part of tool body 1 are set
Be equipped with support plate 2, the middle part of support plate 2 is provided with mounting hole 3, and mounting hole 3 is internally provided with fixed link 4, fixed link 4 it is interior
Portion is provided with through-hole 5, and through-hole 5 is internally provided with swingle 6, and the top of swingle 6 is provided with rotating handles 7, swingle 6
Bottom end is provided with telescopic supporting rod 8, and the top of telescopic supporting rod 8 is provided with sleeve 9, and the middle part of sleeve 9 is provided with a slot 10, Gu
The outside of fixed pole 4 is provided with card slot 11, and the side of card slot 11 is provided with fixed baffle 12, and the side of fixed baffle 12, which is provided with, stretches
Contracting connecting rod 13, the one end for being telescopically connected to bar 13 are provided with pull ring 14, and one end of fixed baffle 12 is provided with retainer ring 15, mounting hole
3 two sides are provided with holding tank 16, and the both ends of holding tank 16 are provided with magnet 1, and the side of support plate 2 is provided with
Lumbar triangle shape panel 18, the side of isosceles triangle panel 18 are provided with arc groove 1, and the inside of arc groove 1 is set
It is equipped with sliding slot 20, the side of arc groove 1 is provided with angle index line 21, and the other side of support plate 2 is provided with right angle trigonometry
Shape panel 22, the side of right angled triangle panel 22 are provided with arc groove 2 23, isosceles triangle panel 18 and right angle trigonometry
The side of shape panel 22 is provided with magnet 2 24, and the bottom end of isosceles triangle panel 18 and right angled triangle panel 22 is provided with
Groove 25, one end of support plate 2 are provided with fixing groove 1, and fixing groove 1 is internally provided with reinforcing bar 27, isoceles triangle
The side of shape panel 18 and right angled triangle panel 22 is provided with telescopic moving bar 28, the side setting on the surface of support plate 2
Guide and support handle 29.
Wherein, fixed link 4 is plugged on the inside of mounting hole 3, and mounting hole 3 is connected to holding tank 16, swingle 6 and fixed link
4 are connected by through-hole 5, and rotating handles 7 and telescopic supporting rod 8 are connected by screw to swingle 6, sleeve 9 and retractable support
Bar 8 is connected by screw to, convenient for the installation and use of telescopic supporting rod 8；Card slot 11 and retainer ring 15 are used cooperatively, fixed baffle 12
It is used cooperatively with holding tank 16, fixed baffle 12 and sliding slot 20 are used cooperatively, convenient for the installation and use of fixed baffle 12；It is flexible
Connecting rod 13 and fixed baffle 12 are connected by screw to, and pull ring 14 and are telescopically connected to bar 13 and are connected through a screw thread, convenient for fixed gear
The movement of plate 12；Magnet 1 and magnet 2 24 are used cooperatively, and guide and support handle 29 and support plate 2 is connected by screw to, and enhance work
Has the stability of ontology 1, and easy to remove；Telescopic supporting rod 8 and groove 25 are used cooperatively, arc groove 1 and arc groove
2 23 are used cooperatively with telescopic supporting rod 8, and telescopic moving bar 28 is plugged on the inside of fixing groove 1,28 He of telescopic moving bar
Reinforcing bar 27 is used cooperatively, so that convenient for the movement of telescopic supporting rod 8 and the use of tool body 1；Isosceles triangle panel 18
It is provided with loose slot 30 with the side of right angled triangle panel 22, loose slot 30 is internally provided with connecting rod 31, convenient for etc.
The use of lumbar triangle shape panel 18 and right angled triangle panel 22；The middle part of connecting rod 31 is provided with rotary shaft, rotary shaft and stretches
Contracting mobile bar 28 is by welding, convenient for the fixation of telescopic moving bar 28；Isosceles triangle panel 18 and right angled triangle panel 22
The other side be provided with inserting groove 32, one end of support plate 2 is provided with fixing groove 2 33, convenient for isosceles triangle panel 18 and straight
The use of angle triangular panels 22；Fixing groove 2 33 is internally provided with shank 34, and the one of fixing groove 2 33 and shank 34
End is provided with magnet three, shank 34 and fixing groove 2 33 to be made by rotation axis connection, shank 34 and the cooperation of inserting groove 32
With playing the role of supporting and fixing.
A kind of drawing tools for mathematics class that the utility model is mentioned, during use, when needing picture bowlder,
Tool body 1 is bonded with blackboard, and chalk is placed on to the inside of slot 10, shakes rotating handles 7 and rotating handles 7 is made to drive rotation
Bull stick 6 rotates, and swingle 6 drives telescopic supporting rod 8 to rotate, so that chalk carries out picture circle on blackboard, it is different when needing to paint
The bowlder of diameter, diameter of a circle can be adjusted by stretching telescopic supporting rod 8, when needing to measure angle, be pulled
Pull ring 14 is telescopically connected to bar 13 and is stretched, and promotion is telescopically connected to bar 13, so that fixed baffle 12 is moved along sliding slot 20, just
Degree can be carried out, when needing picture isosceles triangle panel 18, pulls isosceles triangle panel 18, so that telescopic moving bar 28 is drawn
Stretch, rotary shaft is fixed in connecting rod 31 so that during use convenient for the angle of isosceles triangle panel 18 into
Row is adjusted, while mobile shank 34, and shank 34 is plugged on to the inside of inserting groove 32, prevents isosceles triangle panel 18 from existing
It is moved during use, influences to paint, using after-contraction telescopic moving bar 28 is finished, magnet 1 and magnet 2 24 are in magnetism
It is bonded under effect, enhances the stability of isosceles triangle panel 18, when needing picture right angled triangle panel 22, pulled straight
Angle triangular panels 22, so that telescopic moving bar 28 stretches, rotary shaft is fixed in connecting rod 31, so that in the process used
In convenient for the angle of right angled triangle panel 22 is adjusted, shank 34 is plugged on grafting by while mobile shank 34
The inside of slot 32 prevents right angled triangle panel 22 from moving during use, influences to paint, flexible using after-contraction is finished
Mobile bar 28, magnet 1 and magnet 2 24 are bonded under magnetic action, enhance the stability of right angled triangle panel 22.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this
Novel conception and scope is defined.Without departing from the design concept of the present utility model, ordinary people in the field couple
The all variations and modifications that the technical solution of the utility model is made, should fall within the protection scope of the present utility model, this reality
With novel claimed technology contents, it is all described in the claims.
Claims (10)
1. a kind of drawing tools for mathematics class, including tool body (1), branch is provided in the middle part of the tool body (1)
Fagging (2) is provided with mounting hole (3) in the middle part of the support plate (2), and the mounting hole (3) is internally provided with fixed link
(4), the fixed link (4) is internally provided with through-hole (5), and the through-hole (5) is internally provided with swingle (6), the rotation
The top of bull stick (6) is provided with rotating handles (7), and the bottom end of the swingle (6) is provided with telescopic supporting rod (8), described to stretch
The top of contracting support rod (8) is provided with sleeve (9), is provided with a slot (10) in the middle part of the sleeve (9), the fixed link (4)
Outside be provided with card slot (11), the side of the card slot (11) is provided with fixed baffle (12), the fixed baffle (12)
Side, which is provided with, to be telescopically connected to bar (13), and described one end for being telescopically connected to bar (13) is provided with pull ring (14), the fixed baffle
(12) one end is provided with retainer ring (15), and the two sides of the mounting hole (3) are provided with holding tank (16), the holding tank (16)
Both ends be provided with magnet one (17), the side of the support plate (2) is provided with isosceles triangle (18), the isoceles triangle
The side of shape (18) is provided with arc groove one (19), is provided on the inside of the arc groove one (19) sliding slot (20), described
The side of arc groove one (19) is provided with angle index line (21), and the other side of the support plate (2) is provided with right angle trigonometry
Shape (22), the side of the right angled triangle (22) are provided with arc groove two (23), the isosceles triangle (18) and right angle
The side of triangle (22) is provided with magnet two (24), and the bottom end of the isosceles triangle (18) and right angled triangle (22) is all provided with
It is equipped with groove (25), one end of the support plate (2) is provided with fixing groove one (26), the inside setting of the fixing groove one (26)
Having reinforcing bar (27), the side of the isosceles triangle (18) and right angled triangle (22) is provided with telescopic moving bar (28),
The side on the surface of the support plate (2), which is provided with, guides and supports handle (29).
2. a kind of drawing tools for mathematics class according to claim 1, it is characterised in that: the fixed link (4) is inserted
The inside in mounting hole (3) is connect, the mounting hole (3) is connected to holding tank (16), and the swingle (6) and fixed link (4) are logical
Through-hole (5) connection is crossed, the rotating handles (7) and telescopic supporting rod (8) are connected by screw to swingle (6), the set
Cylinder (9) and telescopic supporting rod (8) are connected by screw to.
3. a kind of drawing tools for mathematics class according to claim 1, it is characterised in that: the card slot (11) and card
Circle (15) is used cooperatively, and the fixed baffle (12) and holding tank (16) are used cooperatively, the fixed baffle (12) and sliding slot
(20) it is used cooperatively.
4. a kind of drawing tools for mathematics class according to claim 1, it is characterised in that: described to be telescopically connected to bar
(13) it is connected by screw to fixed baffle (12), the pull ring (14) and is telescopically connected to bar (13) and is connected through a screw thread.
5. a kind of drawing tools for mathematics class according to claim 1, it is characterised in that: the magnet one (17) and
Magnet two (24) is used cooperatively, described to guide and support handle (29) and support plate (2) is connected by screw to.
6. a kind of drawing tools for mathematics class according to claim 1, it is characterised in that: the telescopic supporting rod
(8) it is used cooperatively with groove (25), the arc groove one (19) and arc groove two (23) cooperate with telescopic supporting rod (8)
It uses, the telescopic moving bar (28) is plugged on the inside of fixing groove one (26), the telescopic moving bar (28) and reinforcing bar
(27) it is used cooperatively.
7. a kind of drawing tools for mathematics class according to claim 1, it is characterised in that: the isosceles triangle
(18) it is provided with loose slot (30) with the side of right angled triangle (22), the loose slot (30) is internally provided with connecting rod
(31)。
8. a kind of drawing tools for mathematics class according to claim 7, it is characterised in that: the connecting rod (31)
Middle part is provided with rotary shaft, and the rotary shaft and telescopic moving bar (28) pass through welding.
9. a kind of drawing tools for mathematics class according to claim 1, it is characterised in that: the isosceles triangle
(18) it is provided with inserting groove (32) with the other side of right angled triangle (22), one end of the support plate (2) is provided with fixing groove
Two (33).
10. a kind of drawing tools for mathematics class according to claim 9, it is characterised in that: the fixing groove two
(33) be internally provided with shank (34), one end of the fixing groove two (33) and shank (34) is provided with magnet three,
The shank (34) and fixing groove two (33) are made by rotation axis connection, the shank (34) and inserting groove (32) cooperation
With.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820960503.7U CN208558788U (en) | 2018-06-21 | 2018-06-21 | A kind of drawing tools for mathematics class |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820960503.7U CN208558788U (en) | 2018-06-21 | 2018-06-21 | A kind of drawing tools for mathematics class |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208558788U true CN208558788U (en) | 2019-03-01 |
Family
ID=65487605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820960503.7U Expired - Fee Related CN208558788U (en) | 2018-06-21 | 2018-06-21 | A kind of drawing tools for mathematics class |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208558788U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110641209A (en) * | 2019-11-01 | 2020-01-03 | 曾瑞玲 | Universal drawing device for mathematics learning |
-
2018
- 2018-06-21 CN CN201820960503.7U patent/CN208558788U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110641209A (en) * | 2019-11-01 | 2020-01-03 | 曾瑞玲 | Universal drawing device for mathematics learning |
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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: 20190301 Termination date: 20200621 |