CN2860869Y

CN2860869Y - Multi-functional ruler

Info

Publication number: CN2860869Y
Application number: CN 200520104755
Authority: CN
Inventors: 刘永田
Original assignee: North University of China
Current assignee: North University of China
Priority date: 2005-11-23
Filing date: 2005-11-23
Publication date: 2007-01-24
Anticipated expiration: 2015-11-23

Abstract

The utility model relates to a drawing instrument, particularly to a multifunctional sector. In order to eliminate the disadvantages such as influence to the drawing efficiency due to frequent instrument replacement, inconvenient portability and storage for the drawing tools. The multifunctional sector includes a basal plate, drawing plate, straightedge ruler, paper cutting knife. The middle of the basal plate is provided with a round drawing plate, inside which is provided with crooked needle, straight needle. One ends of the crooked needle and the straight needle are respectively embedded in the drawing plate, and the other ends are hinged through a position center. The parallel tracks are set on both sides of the drawing plate and the straightedge ruler is set on the parallel tracks. The upper of the basal plate is provided with strip track where is provided with the paper cutting knife. The beneficial effects of the utility model lie in integrates the functions of various drawing instruments including graphometer, compass, ruler, bend gauge, with the additional functions of paper cutting knife, card coating machine. the invention is economical and reasonable, convenient for operation, thereby simplifies the procedure of the drawing, improves the speed for drawing, as a result, the utility model will bring positive effect when being used during teaching students or by the technicians in the drawing field.

Description

Multi-functional ruler-compasses

Technical field

The utility model relates to a kind of drawing instrument, is specially a kind of multi-functional ruler-compasses.

Background technology

At present, in the existing drawing instrument, finish a certain mapping must be used alternatingly multiple drawing tools such as compasses, graphometer, ruler, bent rule, indispensable, just needs frequent replacing instrument like this in drawing, and not only speed is slow, and extremely inconvenient.Simultaneously these drawing instruments also have inconvenience to carry, deposit and shortcoming such as fragile.Therefore press for a kind of gathering multi-function in integral whole, easy to use, be difficult for losing cheap substitute.

Summary of the invention

The utility model influences drawing efficiency in order to solve frequent replacing instrument in the existing drawing course and drawing instrument inconvenience is carried, deposit and shortcoming such as fragile, and a kind of multi-functional ruler-compasses is provided.

The utility model is to adopt following technical scheme to realize: multi-functional ruler-compasses, comprise substrate, mapping dish, straightedge rule, mica under-cutter, and the substrate middle part is provided with the mapping dish of circular middle hollow out, and the annular edge of mapping dish is along the scale that is carved with the 0-360 degree; Be provided with crooked needle and staight needle in the mapping dish, crooked needle and staight needle have a fixing protruding end and are embedded in respectively in the annular fixed groove of mapping dish, and the other end is by the location circle center hole hinge connection of location center of circle pin and mapping dish, and the compartment of terrain has aperture on the staight needle; The both sides of mapping dish are provided with the parallel longitudinal track, and the fixedly tuck pointing that straightedge rule connects by its both ends is on the parallel orbit that is provided with the bar shaped fixed groove; The top of substrate is provided with rectangular track, and mica under-cutter is being provided with on the rectangular track of bar shaped fixed groove by the fixedly tuck pointing of its connection.

The edge of substrate described in the utility model is respectively equipped with metric system scale, inch scale and ripple glaze.Substrate can be high-intensity transparent plastic.

The left side of substrate described in the utility model is provided with the card-coating device, has the slotted eye of a plurality of identical sizes on the card-coating device.

The last lower edge of staight needle described in the utility model is respectively equipped with metric system scale and inch scale.

Be respectively equipped with metric system scale and inch scale on the straightedge rule described in the utility model.

Be provided with spring leaf between the fixing protruding and bar shaped fixed groove that mica under-cutter described in the utility model connects, spring leaf is " Z " shape, is used to control the flexible of mica under-cutter.

The beneficial effects of the utility model: multiple drawing instruments such as collection graphometer, compasses, ruler, bent rule are one, the additional function that also has mica under-cutter, card-coating device in addition, economical rationality, simple to operation, thereby the drawing formality is simplified, improved plotting speed, in the technical staff in student's teaching and drawing field, used to produce good effect.

Description of drawings

Fig. 1 is a structural representation of the present utility model

Fig. 2 is the A-A cutaway view of Fig. 1

Fig. 3 is the B-B cutaway view of Fig. 1

Fig. 4 is the C-C cutaway view of Fig. 1

Among the figure: 17-is fixing protruding for the rectangular track 14-of 1-substrate 2-mapping dish 3-annular fixed groove 4-crooked needle 5-staight needle 6-location center of circle pin 7-location circle center hole 8-aperture 9-straightedge rule 10-bar shaped fixed groove 11-parallel orbit 12-mica under-cutter 13-spring leaf 15-card-coating device 16-slotted eye

The specific embodiment

Multi-functional ruler-compasses, comprise substrate 1, mapping dish 2, straightedge rule 9, mica under-cutter 12, substrate 1 middle part is provided with the mapping dish 2 of circular middle hollow out, the annular edge of mapping dish 2 is along the scale that is carved with the 0-360 degree, in mapping dish 2, be provided with crooked needle 4 and staight needle 5, crooked needle 4 and staight needle 5 have a fixing protruding end and are embedded in respectively in the annular fixed groove 3 of mapping dish 2, the other end is by the location circle center hole 7 hinge connection of the center of circle, location pin 6 with mapping dish 2, the tip position of the center of circle, location pin 6 exceeds substrate 1 baseplane 2mm slightly, with location circle center hole 7 is fixing point, crooked needle 4 and staight needle 5 can rotate in the annular fixed groove 3 of fixing point at mapping dish 2, every interval 5mm has aperture 8 on staight needle 5, two edges of staight needle 5 are respectively equipped with metric system scale and inch scale, select suitable radius to make things convenient for the user according to the needs of oneself.Comprehensive utilization staight needle 5, crooked needle 4 and straightedge rule 9 can be drawn the circle of various types of curves and different radii.

The both sides of mapping dish 2 are respectively equipped with parallel longitudinal track 11, and the fixedly tuck pointing that straightedge rule 9 connects by its both ends is on the parallel orbit 11 that is provided with bar shaped fixed groove 10.Fixing protruding can the working in coordination that straightedge rule 9 both ends are connected with the bar shaped fixed groove 10 in the parallel orbit 11, with parallel sliding about realization straightedge rule 9 is in parallel orbit 11, the lower edge is respectively equipped with metric system scale and inch scale on straightedge rule 9, can be used for leg-of-mutton base of picture or trapezoidal upward bottom.

The top of substrate 1 is provided with rectangular track 13, and mica under-cutter 12 is embedded in by fixing protruding 17 of its connection on the rectangular track 13 that is provided with bar shaped fixed groove 10, and fixing protruding 17 cooperatively interact with bar shaped fixed groove 10, realize that mica under-cutter 12 slides on rectangular track 13.Be provided with the spring leaf 14 of " Z " shape between fixing protruding 17 and the bar shaped fixed groove 10 that mica under-cutter 12 connects, the upper end of spring leaf is connected on fixing two protruding cards, and the lower end is stuck in the fixed groove, with stretching of control mica under-cutter 12.

The metric system scale is carved with in the upper edge of substrate 1, can be used as metric scale and uses; An inch scale is carved with in the lower edge, can be used as inch chi and uses; The right can be used for the picture wave along being carved with ripple glaze.

The left side of substrate 1 is provided with card-coating device 15, promptly has the slotted eye 16 of a plurality of identical sizes on the left side of substrate 1, and 4 of behaviors are classified 5 as, and the size of slotted eye is big or small consistent with the selected topic frame on the standard answer card, and long usually is 4mm, and wide is 2.5mm.

Now concrete function of the present utility model is described as follows:

Function one: measure length: there is the metric system scale upper edge of substrate, and there is an inch scale lower edge, can carry out linear measure longimetry to object.

Function two: draw wave: the right of substrate can mark some important literal along being carved with ripple glaze.

Function three: card-coating device: with the alignment of the slotted eye on the card-coating device and the selected topic frame on the answering card, then by the slotted eye on the card-coating device with the pencil frame blacking of will selecting a topic.

Function four: mica under-cutter: by stretching of spring leaf control mica under-cutter.During use, compress downwards being connected with the fixing protruding of mica under-cutter, the spring leaf distortion, mica under-cutter stretches out blade, pins the fixedly rectangular track slip in convex edge with hand, can realize the function of mica under-cutter.

Function five: graphometer: one side with the aliging and aim at 0 scale of dial of one side of straightedge rule and angle, then the center line on the crooked needle is alignd with the another side at angle, this moment, the center line indication scale of this trisquare was the angle value at this angle.

Function six: make circle, ellipse, hyperbola, triangle

(1) draw circle:

Step: the center of circle, the location pin on the mapping dish is inserted assigned address on the paper, and left hand is pinned the center of circle, location pin, metric system scale on the contrast staight needle or inch scale, select required radius, the right hand inserts with pencil in the aperture of corresponding scale, and nib touches on paper, and rotation pencil can the picture circle then.

(2) trace (is example with the ellipse)

Step: the center of circle, the location pin on the mapping dish is inserted assigned address on the paper, left hand is pinned the center of circle, location pin, the right hand clockwise rotates crooked needle behind assigned address, left hand pin crooked needle with pencil draw oval half, rotate counterclockwise then crooked needle in assigned address draw oval second half.

(3) draw trapezoidal, triangle (is example with the triangle)

Step: the center of circle, the location pin on the mapping dish is inserted assigned address on the paper, and left hand is pinned the center of circle, location pin, and the right hand rotates staight needle and does leg-of-mutton both sides respectively, ruler is pushed to along parallel orbit done leg-of-mutton base then.

Claims

1, a kind of multi-functional ruler-compasses, comprise substrate (1), mapping dish (2), straightedge rule (9), mica under-cutter (12), it is characterized in that: substrate (1) middle part is provided with the mapping dish (2) of circular middle hollow out, and the annular edge of mapping dish (2) is along the scale that is carved with the 0-360 degree; In mapping dish (2), be provided with crooked needle (4) and staight needle (5), crooked needle (4) and staight needle (5) have a fixing protruding end and are embedded in respectively in the annular fixed groove (3) of mapping dish (2), the other end is by location circle center hole (7) the hinge connection of location center of circle pin (6) with mapping dish (2), and staight needle (5) is gone up the compartment of terrain and had aperture (8); The both sides of mapping dish (2) are provided with parallel longitudinal track (11), and the fixedly tuck pointing that straightedge rule (9) connects by its both ends is on the parallel orbit that is provided with bar shaped fixed groove (10) (11); The top of substrate (1) is provided with rectangular track (13), and mica under-cutter (12) is embedded on the rectangular track (13) that is provided with bar shaped fixed groove (10) by fixing protruding (17) of its connection.

2, multi-functional ruler-compasses according to claim 1 is characterized in that the left side of described substrate (1) is provided with card-coating device (15).

3, multi-functional ruler-compasses according to claim 1 and 2 is characterized in that the edge of described substrate (1) is respectively equipped with metric system scale, inch scale and ripple glaze.

4, multi-functional ruler-compasses according to claim 1 and 2 is characterized in that being respectively equipped with on the described straightedge rule (9) metric system scale and inch scale.

5, multi-functional ruler-compasses according to claim 3 is characterized in that being respectively equipped with on the described straightedge rule (9) metric system scale and inch scale.

6,, it is characterized in that the last lower edge of described staight needle (5) is respectively equipped with metric system scale and inch scale according to claim 1 or 2 or 5 described multi-functional ruler-compasses.

7,, it is characterized in that being provided with spring leaf (14) between fixing protruding (17) that described mica under-cutter (12) connects and the bar shaped fixed groove (10) according to claim 1 or 2 or 5 described multi-functional ruler-compasses.