CN2540288Y

CN2540288Y - Drawing instrument

Info

Publication number: CN2540288Y
Application number: CN 02234957
Authority: CN
Inventors: 鲍龑卿
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-05-28
Filing date: 2002-05-28
Publication date: 2003-03-19
Anticipated expiration: 2012-05-28

Abstract

A novel drawing tool, according to international patent classification list (IPC), belongs to work transmission portion, print sub portion, writing or drawing tool, office tool class, writing or drawing tool, writing or drawing auxiliary tool sub class, round curvature drawing machine or similar machine group, and axle external rod angle adjuster group technical field. The utility model can resolve problem for combining compass, angle gage, and ruler, which is mainly composed of a handle, a bolt, an angle gage, a socket leg, an automatic pencil press head, automatic pencil, a screw, and a needle head. The utility model is characterized in that the screw of the angle gage is connected with the lower end of the handle, the screw of the socket leg is connected with the lower end of the handle, and the automatic pencil is fixed at the end of the socket leg. The best embodiment of the utility model uses plastic as material, uses basic devices of plastic factory, and uses batch production, to meet teacher demand, and realize the practicality and economic benefits of the novel drawing tool.

Description

A kind of novel drawing instrument

(1) technical field:

The utility model relates to a kind of novel drawing instrument, divides by International Patent Classification (IPC) (IPC) to belong to operation Department of Transportation, and printing branch is write or plotter, and the big class of office appliance is write or drawing article; The assistant product group of writing or draw, big group of circular curve plotter or analogous instrument, the technical field of the armed lever angular adjustment apparatus group that splits with pivot.

At present, existing and once had about circular curve plotter or big group of analogous instrument, the bar angular adjustment apparatus group technology that splits arm with pivot was all done very fruitful effort to the demand of novel drawing instrument, also once designed many outstanding technical schemes.As being declared by Mai Shiyong of the Decree of Patent Office of China in 1996, Granted publication number is CN2242797Y, and China Patent No. 95246265,6 (ZL) is: number the utility model title be the utility model patent of " Pencil compasses on desk ", the technical scheme that is adopted.Big group of circular curve plotter or analogous instrument, the armed lever angular adjustment apparatus group technical elements that splits with pivot is a routine of great value invention, and it has solved the technical problem of Pencil compasses on desk effectively.But still have some deficits, it also is difficult to solve the technical problem that compasses, protractor, ruler are combined.

The purpose of this utility model is to provide a kind of novel drawing instrument.To solve the technical problem that compasses, protractor, ruler are combined.

The technical scheme that the technical problems to be solved in the utility model adopted is achieved in that a kind of novel drawing instrument of this utility model.Mainly by handle, bolt, protractor, rule pin, lead is pressed head, propelling pencil, screw, syringe needle and is constituted automatically.Bolt, screw, syringe needle, automatic lead are pressed head, propelling pencil by selecting for use on the market.Its handle is a cylindrical shape, uses the plastics material, through the injection moulding processing and manufacturing.Its protractor is a semi-circular shape, uses plastic material, through the injection moulding processing and manufacturing.Its rule pin is a rectangular shape, uses plastic material, through the injection moulding processing and manufacturing.

In shape, textural, the total essential features of a kind of novel drawing instrument of the present utility model and immediate prior art is: syringe needle inserts the terminal position that is installed in the rule pin, constitute the convex shape embedded structure, function has been the fixedly center of circle effect of picture bowlder.Screw thread is installed in the terminal position of rule pin, constitutes penetrant structure, and function has been fixing and stable syringe needle effect.Automatically lead is pressed head and is mounted on propelling pencil hole portion position, constitutes the convex shape embedded structure, and function has been to make pencil-lead come out to act on.Bolt thread is installed in the screwed hole position of handle, rule pin, protractor, constitutes penetrant structure, and function has been that the three is linked to be mass action.In shape, textural, a kind of novel drawing instrument of the present utility model technical characterictic different with immediate prior art is: protractor is threaded and is installed in the lower end position of handle, constitutes overlay structure, and function has been the angulation effect.The rule pin is threaded and is installed in the lower end position of handle, constitutes overlay structure, and function has been to draw also can form the ruler effect.Propelling pencil is fastened on the terminal position of rule pin, constitutes the convex shape overall structure, and function has been the picture effect.The purpose of the technical problem that the solution that has so just realized a kind of novel drawing instrument of the present utility model combines compasses, protractor, ruler.

The beneficial effect of a kind of novel drawing instrument of utility model be the utility model technical scheme that technical problem adopted that to be solution combine compasses, protractor, ruler and existing and once had about big group of circular curve plotter or analogous instrument, the armed lever angular adjustment apparatus group that splits with pivot technology compared three place's advantage and improvement:

The first, so be the apparent angle of protractor owing to having designed protractor in the technical scheme of a kind of novel drawing instrument of the present utility model and having made it overlap the compasses opening angle with a rule angle inner surface;

The second, but because the utility model has designed the two rule pin at shape 180 degree angles and engrave scale on the rule pin in technical scheme,, these compasses use so can working as ruler;

The 3rd, because having designed compasses one end in technical scheme, the utility model replaces traditional method, so easy to use with propelling pencil;

(4) description of drawings:

Accompanying drawing provides the structural representation of a kind of novel drawing instrument of the present utility model:

Fig. 1 is the main TV structure schematic diagram of a kind of novel drawing instrument of the present utility model;

Fig. 2 is the left TV structure schematic diagram of a kind of novel drawing instrument of the present utility model;

Fig. 3 is the instrument of a kind of novel drawing instrument of the present utility model plan structure schematic diagram when shakeouing; The label declaration of parts in the schematic diagram: 1 handle, 2 bolts, 3 protractors, 4 rule pin, 5 automatic lead are pressed 6 propelling pencils, 7 screws, 8 syringe needle

(5) specific embodiment:

Below in conjunction with accompanying drawing, a kind of novel drawing instrument of the present utility model is solved compasses, protractor for realizing, the optimal way of the technical scheme that the technical problem that ruler combines is taked is described further:

Its static structure: see also Fig. 1: as shown in the figure, a kind of novel drawing instrument of the present utility model mainly by handle 1, bolt 2, protractor 3, rule pin 4, lead presses 5 automatically, propelling pencil 6, screw 7, syringe needle 8 constitute.Bolt 2, screw 7, syringe needle 8, lead presses 5 automatically, propelling pencil 6 is by selecting for use on the market.Its handle 1 is a cylindrical shape, uses the plastics material, through the injection moulding processing and manufacturing.Its protractor 3 is semi-circular shapes, uses plastic material, through the injection moulding processing and manufacturing.Its rule pin 4 is rectangular shapes, uses plastic material, through the injection moulding processing and manufacturing.

In shape, textural, the total essential features of a kind of novel drawing instrument of the present utility model and immediate prior art is: syringe needle 8 inserts the terminal position that is installed in rule pin 4, constitute the convex shape embedded structure, function has been the fixedly center of circle effect of picture bowlder.Screw 7 screw threads are installed in the terminal position of rule pin 4, constitute penetrant structure, and function has been fixing and stable syringe needle effect.Automatically lead is pressed 5 hole portion positions that are mounted on propelling pencil 6, constitutes the convex shape embedded structure, and function has been to make pencil-lead come out to act on.Bolt 2 screw threads are installed in the screwed hole position of handle 1, rule pin 4, protractor 3, constitute penetrant structure, and function has been that the three is linked to be mass action.In shape, textural, a kind of novel drawing instrument of the present utility model technical characterictic different with immediate prior art is: protractor 3 is threaded and is installed in the lower end position of handle 1, constitutes overlay structure, and function has been the angulation effect.Rule pin 4 is threaded and is installed in the lower end position of handle 1, constitutes overlay structure, and function has been to draw also can form the ruler effect.Propelling pencil 6 is fastened on the terminal position of rule pin 4, constitutes the convex shape overall structure, and function has been the picture effect.

Its dynamic structure: in the optimal way of implementing, in use, when desire is drawn straight line, move two rule pin to 180 degree and just can work as ruler usefulness.Its rule pin 4 acts on handle 1 by bolt 2, thereby finishes the task of compasses and ruler.

Its dynamic structure: in the optimal way of implementing, in use, in the time of the tolerance angle, the compasses bipod is overlapped with the both sides at angle, this moment, the protractor angles of display just was institute's angle measurement number of degrees.Its rule pin 4 acts on protractor 3 by bolt 2, thereby finishes the task of angulation.So just realized the purpose that compasses, protractor, ruler are combined of a kind of novel drawing instrument of the present utility model.

Realize that preferred plan of the present utility model is is material with plastics, utilize the basic equipment of plastics factory, take to produce by batch in batches,, so just can realize the practical value and the economic worth of a kind of novel drawing instrument of the present utility model better with the demand of supply student circle.

Claims

1. novel drawing instrument, it is by handle (1), bolt (2), protractor (3), rule pin (4), automatically lead is pressed head (5), propelling pencil (6), screw (7), syringe needle (8) constitutes, in shape, the total essential features of textural the utility model and immediate prior art is that syringe needle (8) inserts the terminal position that is installed in rule pin (4), screw (7) screw thread is installed in the terminal position of rule pin (4), automatically lead is pressed the hole portion position that head (5) is mounted on propelling pencil (6), bolt (2) screw thread is installed in handle (1), rule pin (4), the screwed hole position of protractor (3), the utility model is in shape, textural, be different from it is characterized in that of immediate prior art: protractor (3) is threaded and is installed in the lower end position of handle (1).

2. a kind of novel drawing instrument according to claim 1 is characterized in that advising pin (4) and is threaded and is installed in the lower end position of handle (1).

3. a kind of novel drawing instrument according to claim 1 is characterized in that propelling pencil (6) is fastened on the terminal position of rule pin (4).