CN205705875U - A kind of magnetic-type graphometric square - Google Patents
A kind of magnetic-type graphometric square Download PDFInfo
- Publication number
- CN205705875U CN205705875U CN201620312392.XU CN201620312392U CN205705875U CN 205705875 U CN205705875 U CN 205705875U CN 201620312392 U CN201620312392 U CN 201620312392U CN 205705875 U CN205705875 U CN 205705875U
- Authority
- CN
- China
- Prior art keywords
- main body
- graphometric
- graphometric square
- square
- square main
- 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
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Abstract
The utility model discloses a kind of magnetic-type graphometric square, including graphometric square main body and magnifier；It is embedded with semicircular magnifier on the right side of described graphometric square main body；Being semicircular angular surveying district on the left of described graphometric square main body, angular surveying district circle centre position is provided with shoulder hole, and shoulder hole is that circular port connects with regular hexagon hole；It is provided with square groove, the center line that sideline, base is graphometric square main body of square groove in the middle part of described graphometric square main body；Described graphometric square main body upper right side is embedded with level, and the lower end at the graphometric square main body back side is embedded with some Magnetitums；Angle index is circumferentially carved with in described angular surveying district, and graphometric square main body lower end edge straight line is carved with length scale.By level, this utility model can ensure that level when drawing on vertical blackboard, the magnifier of right side setting-in can be used for scale-amplifying, the Magnetitum of back side setting-in is easy to absorption；In addition, two graphometric squares are connected by bolt assembly, can be used for drawing circular arc.
Description
[technical field]
This utility model relates to the technical field of surveying and mapping tool, the technology neck of a kind of magnetic-type graphometric square
Territory.
[background technology]
Graphometric square is the instrument for surveying and drawing use.In present teaching practice in classroom, it is often necessary to use
Graphometric square measures and draws.In addition to conventional straight line, it is often necessary to draw circular arc and measure angle.
To this end, there is special dial scale.But, existing dial scale is relatively big, is unfavorable for that teaching is carried and placed.
For this reason, it may be necessary to the most portable a kind of graphometric square.
[utility model content]
The purpose of this utility model solves the problems of the prior art exactly, proposes a kind of magnetic-type graphometric square,
Can ensure that level when drawing on vertical blackboard, the magnifier of right side setting-in can be used for putting by level
High range, the Magnetitum of back side setting-in is easy to absorption；In addition, two graphometric squares are connected by bolt assembly
Connect, can be used for drawing circular arc.This utility model can carry out the mapping of straight line, circular arc, and relatively prior art is carried
The most convenient.
For achieving the above object, the utility model proposes a kind of magnetic-type graphometric square, including graphometric square main body
And magnifier；It is embedded with semicircular magnifier on the right side of described graphometric square main body；On the left of described graphometric square main body
For semicircular angular surveying district, angular surveying district circle centre position is provided with shoulder hole, shoulder hole be circular port with just
Hexagonal hole connects；Being provided with square groove in the middle part of described graphometric square main body, the sideline, base of square groove is graphometric square
The center line of main body；Described graphometric square main body upper right side is embedded with level, the lower end setting-in at the graphometric square main body back side
There are some Magnetitums；Angle index, graphometric square main body lower end edge straight line are circumferentially carved with in described angular surveying district
It is carved with length scale.
As preferably, being provided with groove structure on the right side of described graphometric square main body, the cross section of groove structure is square,
Being provided with square projection on the left of magnifier, the male cooperation of magnifier is in groove structure.
As preferably, the groove width of described square groove is 22mm～25mm, and the diameter major part of chalk is 25mm, little
Head is 22mm, it is simple to chalk is drawn in being stuck in square groove.
As preferably, described Magnetitum is cylindrical Magnetitum, and the quantity of Magnetitum is at least 2, and Magnetitum is the most embedding
It is loaded on the lower end at the graphometric square main body back side.
As preferably, it is connected by bolt assembly between described graphometric square main body.
The beneficial effects of the utility model: this utility model can ensure to paint on vertical blackboard by level
Level during figure, the magnifier of right side setting-in can be used for scale-amplifying, and the Magnetitum of back side setting-in is easy to absorption；
In addition, two graphometric squares are connected by bolt assembly, can be used for drawing circular arc.This utility model energy
Carrying out the mapping of straight line, circular arc, it is the most convenient to carry compared with prior art.
Feature of the present utility model and advantage will combine accompanying drawing by embodiment and be described in detail.
[accompanying drawing explanation]
Fig. 1 is the front view of a kind of magnetic-type graphometric square of this utility model；
Fig. 2 is the rearview of a kind of magnetic-type graphometric square of this utility model；
Fig. 3 is the top plan view of a kind of magnetic-type graphometric square of this utility model；
Fig. 4 is the left view profile of a kind of magnetic-type graphometric square of this utility model；
Fig. 5 is a kind of magnetic-type graphometric square of this utility model.
In figure: 1-graphometric square main body, 2-angular surveying district, 3-shoulder hole, 4-angle index, 5-square groove,
6-length scale, 7-level, 8-magnifier, 9-Magnetitum, 10-projection, 11-groove structure, 12-bolt group
Part.
[detailed description of the invention]
Refering to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, this utility model, including graphometric square main body 1 with put
Big mirror 8；Semicircular magnifier 8 it is embedded with on the right side of described graphometric square main body 1；Described graphometric square main body 1 is left
Side is semicircular angular surveying district 2, and angular surveying district 2 circle centre position is provided with shoulder hole 3, and shoulder hole 3 is circle
Shape hole connects with regular hexagon hole；Square groove 5, the base of square groove 5 it is provided with in the middle part of described graphometric square main body 1
Sideline is the center line of graphometric square main body 1；Described graphometric square main body 1 upper right side is embedded with level 7, graphometric square master
The lower end at body 1 back side is embedded with some Magnetitums 9；Angle index 4 is circumferentially carved with in described angular surveying district 2,
Graphometric square main body 1 lower end edge straight line is carved with length scale 6.
Concrete, it is provided with groove structure 11 on the right side of described graphometric square main body 1, the cross section side of being of groove structure 11
Shape, is provided with square projection 10 on the left of magnifier 8, the projection 10 of magnifier 8 is matched with groove structure 11
In.
Concrete, the groove width of described square groove 5 is 22mm～25mm, and the diameter major part of chalk is 25mm, little
Head is 22mm, it is simple to chalk is drawn in being stuck in square groove 5.
Concrete, described Magnetitum 9 is cylindrical Magnetitum, and the quantity of Magnetitum 9 is at least 2, Magnetitum 9 etc.
Away from the lower end being flush-mounted in graphometric square main body 1 back side.
Concrete, it is connected by bolt assembly 12 between described graphometric square main body 1.
Utility model works process:
In the course of the work, length scale 6 surveys length to a kind of magnetic-type graphometric square of this utility model, and angle is carved
Spend 4 measuring angles；By utilizing Magnetitum 9 to be adsorbed on blackboard after level 7 confirmation level, be conducive to drawing and put down
Row is in the straight line on ground；Two graphometric squares, the rank of angular surveying district 2 circle centre position are connected by bolt assembly 12
Ladder hole 3 is conducive to the bolt head of bolt assembly 12 to place, and utilizes chalk interference fit to paint in snapping in square groove 5
Rounding arc；The semicircle magnifier 8 of setting-in on the right side of graphometric square main body 1 is removed from groove structure 11, profit
It is amplified scale with magnifier 8, facilitates reading.
This utility model, it is possible to ensure level when drawing on vertical blackboard by level, right side is embedded in
Magnifier can be used for scale-amplifying, the Magnetitum of back side setting-in is easy to absorption；In addition, two graphometric squares
It is connected by bolt assembly, can be used for drawing circular arc.This utility model can carry out the mapping of straight line, circular arc,
It is the most convenient to carry compared with prior art.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, any to this
Scheme after utility model simple transformation belongs to protection domain of the present utility model.
Claims (5)
1. a magnetic-type graphometric square, it is characterised in that: include graphometric square main body (1) and magnifier (8)；Described
Graphometric square main body (1) right side is embedded with semicircular magnifier (8)；Described graphometric square main body (1) is left
Side is semicircular angular surveying district (2), and angular surveying district (2) circle centre position is provided with shoulder hole (3), rank
Ladder hole (3) is that circular port connects with regular hexagon hole；Described graphometric square main body (1) middle part is provided with square
Groove (5), the center line that sideline, base is graphometric square main body (1) of square groove (5)；Described graphometric square master
Body (1) upper right side is embedded with level (7), and the lower end at graphometric square main body (1) back side is embedded with some magnetic
Stone (9)；Described angular surveying district (2) is circumferentially carved with angle index (4), graphometric square main body (1)
Lower end edge straight line is carved with length scale (6).
A kind of magnetic-type graphometric square the most as claimed in claim 1, it is characterised in that: described graphometric square main body (1)
Right side is provided with groove structure (11), and the cross section of groove structure (11) is square, magnifier (8) left side
Being provided with square projection (10), the projection (10) of magnifier (8) is matched with in groove structure (11).
A kind of magnetic-type graphometric square the most as claimed in claim 1, it is characterised in that: the groove of described square groove (5)
A width of 22mm～25mm.
A kind of magnetic-type graphometric square the most as claimed in claim 1, it is characterised in that: described Magnetitum (9) is cylinder
Shape Magnetitum, the quantity of Magnetitum (9) is at least 2, and Magnetitum (9) is equidistantly flush-mounted in graphometric square main body (1)
The lower end at the back side.
A kind of magnetic-type graphometric square the most as claimed in claim 1, it is characterised in that: described graphometric square main body (1)
Between be connected by bolt assembly (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620312392.XU CN205705875U (en) | 2016-04-14 | 2016-04-14 | A kind of magnetic-type graphometric square |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620312392.XU CN205705875U (en) | 2016-04-14 | 2016-04-14 | A kind of magnetic-type graphometric square |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205705875U true CN205705875U (en) | 2016-11-23 |
Family
ID=57307617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620312392.XU Expired - Fee Related CN205705875U (en) | 2016-04-14 | 2016-04-14 | A kind of magnetic-type graphometric square |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205705875U (en) |
-
2016
- 2016-04-14 CN CN201620312392.XU patent/CN205705875U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20170414 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |