CN206436696U - A kind of combined type drawing instrument - Google Patents
A kind of combined type drawing instrument Download PDFInfo
- Publication number
- CN206436696U CN206436696U CN201621495508.4U CN201621495508U CN206436696U CN 206436696 U CN206436696 U CN 206436696U CN 201621495508 U CN201621495508 U CN 201621495508U CN 206436696 U CN206436696 U CN 206436696U
- Authority
- CN
- China
- Prior art keywords
- semicircle
- ruler body
- rod
- connecting rod
- sliding sleeve
- Prior art date
- 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
Links
Abstract
The utility model discloses a kind of combined type drawing instrument, including ruler body and swing rod, the ruler body lower side edge is provided with length scale line along its length, semicircular ring of the center of circle on ruler body is provided with the upside of the ruler body, angle index line is provided with the semicircular ring, half slot is offered in the semicircular ring, ruler body positioned at semicircular ring circle centre position by jointed shaft is rotatably connected to swing rod, the sliding block being slidably matched with half slot is provided with the swing rod upper end side wall, the flexible body of rod is fitted with the top of the swing rod, slip cap is equipped with sliding sleeve on the flexible body of rod, quarter butt is installed on the wall of the sliding sleeve side, the quarter butt end is provided with one group of semicircle connecting rod, the end of semicircle connecting rod is provided with the semicircle chuck for clamping chalk, the utility model reasonable in design, set square can be gathered, compasses and function of angle gauge are integrated, draw and more facilitate, greatly reduce non-drawing time.
Description
Technical field
The utility model is related to drawing instrument field, specially a kind of combined type drawing instrument.
Background technology
Teaching aid is the material object for the purpose of propagating science and technology, education people, is complete sci-tech mass media, is teenager's scientific and technological activities
In indispensable equipment.Particularly abstract knowledge use teaching aid can be knowledge image, materialization, animation.
Application of the mathematics teaching aid in teaching process is more extensive, in mathematics classroom teacher teach course when
Wait, generally require to draw substantial amounts of figure to explain to student, student needs to wait teacher just to listen to the teacher, learn after drawing,
More valuable time in classroom is wasted, and has aggravated the drawing burden of teacher.In mathematics drawing course, it can usually use
To instruments such as set square, compasses and protractors.These existing drawing instruments use isolated structure mostly, more dispersed, religion
Teacher needs to change back and forth in mapping, wastes the instructional blocks of time of preciousness, and considerably increases the workload of teacher.
Utility model content
The purpose of this utility model is to provide a kind of reasonable in design, can gather set square, compasses and protractor
Function is integrated, and is drawn and is more facilitated, the high school mathematicses combined type drawing instrument of non-drawing time is reduced, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides following technical scheme：
A kind of combined type drawing instrument, including ruler body and swing rod, the ruler body lower side edge are set along its length
Have to be provided with the upside of length scale line, the ruler body in semicircular ring of the center of circle on ruler body, the semicircular ring and be provided with
Half slot is offered in angle index line, the semicircular ring, is rotated and connected by jointed shaft positioned at the ruler body of semicircular ring circle centre position
It is connected on swing rod, the swing rod upper end side wall and is provided with the sliding block being slidably matched with half slot, is fitted with and stretches at the top of the swing rod
Slip cap, which is equipped with sliding sleeve, sliding sleeve side wall, on the contracting body of rod, the flexible body of rod is provided with quarter butt, and the quarter butt end is set
There is one group of semicircle connecting rod, the end of semicircle connecting rod is provided with the semicircle chuck for clamping chalk, the semicircle connecting rod
On be set with fixation lasso for clamping semicircle chuck.
It is preferred that, it is provided with external screw thread, the fixed lasso and is provided with and external screw thread on the semicircle connecting rod outer wall
The internal thread of cooperation.
It is preferred that, slip in linear slide groove, the linear slide groove is provided with the ruler body along its length and is set
It is equipped with linear slider, linear slider and is rotatablely hinged with auxiliary ruler.
It is preferred that, being provided at both ends with wrapping post, wrapping post for the ruler body is wound with fine rule, the end connection of fine rule
There is link.
It is preferred that, slip cap is described equipped with aiding in being provided with quarter butt on sliding sleeve, the auxiliary sliding sleeve side wall on the swing rod
Quarter butt end is provided with one group of semicircle connecting rod, and the end of semicircle connecting rod is provided with the semicircle chuck for clamping chalk, institute
State the fixation lasso being set with semicircle connecting rod for clamping semicircle chuck.
It is preferred that, the hook knob for being locked is provided with the sliding sleeve and auxiliary sliding sleeve outer wall.
Compared with prior art, the beneficial effects of the utility model are：Straight line can directly be drawn by ruler body, pass through band
The semicircular ring of angle index line can be coordinated with direct measurement angle, ruler body with auxiliary ruler, can draw a variety of different shapes
Triangle, gathered the function of set square and protractor；Bowlder is being drawn, chalk is being placed between two semicircle chucks, is being led to
Rotation fixed cover circle is crossed, allows fixed lasso to wrap up two semicircle connecting rods, so that two semicircle chucks clamp chalk,
Then, rotational swing rod, you can draw circular arc, it is easy for operation；Pass through matching somebody with somebody for fixed lasso, semicircle connecting rod and semicircle chuck
Close, it is ensured that chalk being capable of clamping stabilization；Because sliding sleeve is that slip cap is mounted on the flexible body of rod, the flexible body of rod, which is slided, is inserted into swing rod
Top, therefore, the radius of circular arc can be adjusted manually, conveniently draw the circular arc of different-diameter, easy to use, greatly reduced and painted
The figure time；It can be also used for the explanation of ellipse drawing principle.The utility model reasonable in design, can gather set square, circle
Rule and function of angle gauge are integrated, and are drawn and are more facilitated, greatly reduce non-drawing time.
Brief description of the drawings
Fig. 1 is a kind of structural representation of combined type drawing instrument；
The structural representation that Fig. 2 is connected for sliding sleeve in a kind of combined type drawing instrument with fixed lasso.
In figure：1- ruler bodies, 2- linear slide grooves, 3- linear sliders, 4- wrapping posts, 5- fine rules, 6- links, 7- auxiliary is straight
Chi, 8- semicircular rings, 9- half slots, 10- swing rods, 11- jointed shafts, 12- sliding blocks, 13- stretches the body of rod, 14- sliding sleeves, 15- locking rotations
Button, 16- fixes lasso, 17- semicircle chucks, 18- auxiliary sliding sleeves, 19- quarter butts, 20- semicircle connecting rods.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1~2 are referred to, the utility model provides a kind of technical scheme：A kind of combined type drawing instrument, including ruler body
1 and swing rod 10, the lower side of ruler body 1 is provided with along length scale line, the upside of ruler body 1 is provided with along its length
The center of circle, which is located to be provided with angle index line, the semicircular ring 8 in the semicircular ring 8 on ruler body 1, the semicircular ring 8, to be offered
Half slot 9, the ruler body 1 positioned at the circle centre position of semicircular ring 8 by jointed shaft 11 is rotatably connected to swing rod 10, the upper end of swing rod 10
The sliding block 12 being slidably matched with half slot 9 is provided with the wall of side, the top of swing rod 10 is fitted with the flexible body of rod 13, described flexible
Slip cap is equipped with sliding sleeve 14, the side wall of sliding sleeve 14 and is provided with quarter butt 19 on the body of rod 13, and the end of quarter butt 19 is wholely set
There is one group of semicircle connecting rod 20, the end of semicircle connecting rod 20 is wholely set the semicircle chuck 17 for clamping chalk, described
The fixation lasso 16 for clamping semicircle chuck 17 is set with semicircle connecting rod 20.
Wherein, it is provided with external screw thread, the fixed lasso 16 and is provided with and outer spiral shell on the outer wall of semicircle connecting rod 20
The internal thread that line coordinates；It is provided with linear slide groove 2, the linear slide groove 2 and slides along its length on the ruler body 1
It is provided with linear slider 3, linear slider 3 and is rotatablely hinged with auxiliary ruler 7；The ruler body 1 is provided at both ends with wrapping post
4, fine rule 5 is wound with wrapping post 4, and the end of fine rule 5 is connected with link 6, can match somebody with somebody by link 6 with the hook at the top of blackboard
Close, ruler body 1 is directly hung up on blackboard, is conducive to teacher to vacate both hands and is drawn；Suit is slided on the swing rod 10
Have and quarter butt 19 is installed on auxiliary sliding sleeve 18, the auxiliary side wall of sliding sleeve 18, the end of quarter butt 19 is provided with one group of semicircle company
Extension bar 20, the end of semicircle connecting rod 20, which is provided with the semicircle chuck 17 for clamping chalk, the semicircle connecting rod 20, to be covered
Equipped with the fixation lasso 16 for clamping semicircle chuck 17, by the structure setting for aiding in sliding sleeve 18, it is possible to achieve small-diameter circular
The drafting of arc so that the scope that can draw circular arc is wider；It is provided with the sliding sleeve 17 and the auxiliary outer wall of sliding sleeve 18 for locking
The hook knob 15 fastened, sliding sleeve 17 and auxiliary sliding sleeve 18 is fixed by hook knob 15, it is ensured that during arc drafting,
The radius of figure keeps constant.
Operation principle of the present utility model is：Straight line can directly be drawn by ruler body 1, pass through half with angle index line
Annulus 8 can be coordinated with direct measurement angle, ruler body 1 with auxiliary ruler 7, can be drawn a variety of triangles of different shapes, be collected
The function of set square and protractor is closed；Bowlder is being drawn, chalk is being placed between two semicircle chucks 17, is being fixed by rotating
Lasso 16, allows fixed lasso 16 to wrap up two semicircle connecting rods 20, so that two semicircle chucks 17 clamp chalk, so
Afterwards, rotational swing rod 10, you can draw circular arc, it is easy for operation；Pass through fixed lasso 16, semicircle connecting rod 20 and semicircle chuck
17 cooperation, it is ensured that chalk being capable of clamping stabilization；Because sliding sleeve 14 is that slip cap is mounted on the flexible body of rod 13, the flexible body of rod 13 is slided
Dynamic to be inserted into the top of swing rod 10, therefore, the radius of circular arc can be adjusted manually, conveniently draw the circular arc of different-diameter, user
Just, non-drawing time is greatly reduced；It can be also used for the explanation of ellipse drawing principle.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type is limited by appended claims rather than described above, any reference in claim should not be considered as into limit
The involved claim of system.
Claims (6)
1. a kind of combined type drawing instrument, including ruler body (1) and swing rod (10), it is characterised in that：On the downside of the ruler body (1)
Edge is provided with the upside of length scale line, the ruler body (1) along its length is provided with half of the center of circle on ruler body (1)
It is provided with annulus (8), the semicircular ring (8) on angle index line, the semicircular ring (8) and offers half slot (9), positioned at half
The ruler body (1) of annulus (8) circle centre position is rotatably connected to swing rod (10), swing rod (10) the upper end side wall by jointed shaft (11)
On be provided with the top of the sliding block (12) being slidably matched with half slot (9), the swing rod (10) and be fitted with the flexible body of rod (13), it is described
Slip cap is equipped with sliding sleeve (14), sliding sleeve (14) side wall and is provided with quarter butt (19), the quarter butt on the flexible body of rod (13)
(19) end is provided with one group of semicircle connecting rod (20), and the end of semicircle connecting rod (20) is provided with the semicircle for clamping chalk
The fixation lasso (16) for clamping semicircle chuck (17) is set with chuck (17), the semicircle connecting rod (20).
2. a kind of combined type drawing instrument according to claim 1, it is characterised in that：Semicircle connecting rod (20) outer wall
On be provided with external screw thread, the internal thread coordinated with external screw thread is provided with the fixed lasso (16).
3. a kind of combined type drawing instrument according to claim 1, it is characterised in that：Along length on the ruler body (1)
Direction, which is provided with to slide in linear slide groove (2), the linear slide groove (2), is provided with linear slider (3), linear slider (3)
On be rotatablely hinged with auxiliary ruler (7).
4. a kind of combined type drawing instrument according to claim 1, it is characterised in that：The two ends of the ruler body (1) are set
It is equipped with wrapping post (4), wrapping post (4) and is wound with fine rule (5), the end of fine rule (5) is connected with link (6).
5. a kind of combined type drawing instrument according to claim 1, it is characterised in that：Suit is slided on the swing rod (10)
Have and quarter butt (19) is installed on auxiliary sliding sleeve (18), auxiliary sliding sleeve (18) side wall, quarter butt (19) end is provided with one
Group semicircle connecting rod (20), the end of semicircle connecting rod (20) is provided with the semicircle chuck (17) for clamping chalk, described half
The fixation lasso (16) for clamping semicircle chuck (17) is set with circle connecting rod (20).
6. a kind of combined type drawing instrument according to claim 5, it is characterised in that：The sliding sleeve (14) and auxiliary sliding sleeve
(18) hook knob (15) for being locked is provided with outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621495508.4U CN206436696U (en) | 2016-12-28 | 2016-12-28 | A kind of combined type drawing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621495508.4U CN206436696U (en) | 2016-12-28 | 2016-12-28 | A kind of combined type drawing instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206436696U true CN206436696U (en) | 2017-08-25 |
Family
ID=59642267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621495508.4U Expired - Fee Related CN206436696U (en) | 2016-12-28 | 2016-12-28 | A kind of combined type drawing instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206436696U (en) |
-
2016
- 2016-12-28 CN CN201621495508.4U patent/CN206436696U/en not_active Expired - Fee Related
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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: 20170825 Termination date: 20171228 |