CN2769083Y

CN2769083Y - Practical ellipsograph

Info

Publication number: CN2769083Y
Application number: CN 200520001783
Authority: CN
Inventors: 卢鸽
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-01-31
Filing date: 2005-01-31
Publication date: 2006-04-05
Anticipated expiration: 2015-01-31

Abstract

A novel practical ellipsograph belongs to the technical field of working and transport departments, print subdivision, supplies for writing or drawing; subclass of auxiliary supplies for writing or drawing, compasses subgroup, according to the International Patent Classification (IPC). Its purpose is to solve the technical problems that it is not standard when drawing ellipse, the ruler for drawing ellipse can be used as common ruler (one ruler with multifunction), and it can control the size of the ellipse exactly according to the length. It is chiefly composed of a pencil body, a flexible narrow scale, a securing nail and a pencil lead. The utility model is characterized in that: one end (0 graduate) of the flexible narrow scale is sheathed with the straight rod of the slide nail whose lower end inserts at the 'T'-shaped slide slot of the slide ruler; the two end holes of the fixed slice are arranged at the left end of the slide ruler by screws; the other end of the flexible narrow scale passes through and connects to the center protrusion of the fixed slice. It has wide purpose and it is easy to produce and popularize, and convenient in use.

Description

The novel practical ellipsograph

(1) technical field:

The utility model relates to the novel practical ellipsograph, divides by International Patent Classification (IPC) (IPC) to belong to operation, Department of Transportation, and printing branch is write or drawing appliance; 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 compasses group.

(2) background technology:

At present, existing and once had about big group of circular curve plotter or analogous instrument, the technology of compasses group was all done very fruitful effort to the demand of novel practical ellipsograph, also once designed many outstanding technical schemes.As declaring of the Decree of Patent Office of China in 1996 by Yancheng most, Granted publication number is CN2218658Y, China Patent No. (ZL) is: No. 95239741.2 utility model patent title is the utility model patent of " handy combined compasses ", the technical scheme that is adopted.Big group of circular curve plotter or analogous instrument, the technical elements of compasses group are routine of great value inventions, and it has solved the handy technical problem of combined compasses effectively.But still have some deficits, nonstandard when it also is difficult to solve the picture ellipse, the oval chi of picture can be made common lattice chi and use (chi is used) more, can come accurate control will draw the technical problem of the size of ellipse according to length

(3) summary of the invention:

The purpose of this utility model is to provide a kind of novel practical ellipsograph.Nonstandard during with solution picture ellipse, draw oval chi and can do common lattice chi use (chi is used) more, can to draw the technical problem of the size of ellipse according to the next accurate control of length.

The new technical scheme that above-mentioned technical problem to be solved in the utility model adopted is: novel practical ellipsograph of the present utility model mainly is made of pencil body 1, soft bar rule 2, slide rule 3, sliding nail 4, stator 5, fastening 6, pencil lead 7.

In shape, the structure and in conjunction with last, the total essential features of novel practical ellipsograph of the present utility model and immediate prior art is: the integral position straight cutting of pencil lead is installed in the center of pencil body, be combined into the fixed structure of straight-bar shape, function has been the sliding nail 4 of the effect of writing and fastening and in conjunction with last, the novel practical ellipsograph of the present utility model technical characterictic different with immediate prior art is: (0 scale) position socket of soft bar rule is connected the position that the sliding lower end position of following closely in sliding straight-bar position of following closely is plugged on the T-shape chute of slide rule, be combined into the Slipped Clove Hitch structure of whip shape, thereby function is to fix soft bar rule and horizontally slip to control the effect of the oval focal length 2C of Len req control.The hole site, two ends of stator is installed in the left position of slide rule with screw, the position, other end of soft bar rule penetrates the central elevation position that is connected stator, but be combined into the stretch structure of bar belt shape, function has been the flexible curved soft bar rule length of changing, thus the effect of control long axis of ellipse 2a size.The lower end position of clench nail is screwed into the center screw position that is connected stator, and the sidewall locations stretching of pencil body is connected the inner wall position of soft bar rule, is combined into the Sliding Structures of triangle, and function has been the effect of picture ellipse.So just realized that the solution picture of novel practical ellipsograph of the present utility model is nonstandard when oval, drawn oval chi and can make common lattice chi and use (chi is used) more, can come accurate control will draw the purpose of the technical problem of oval size according to length.

The beneficial effect of the novel practical ellipsograph of utility model is: the utility model is nonstandard when solving the picture ellipse, draw oval chi and can do common lattice chi use (chi is used) more, can according to length come accurate control to draw oval size the technical scheme that technical problem adopted and existing and once had about big group of circular curve plotter or analogous instrument, the technology of compasses group has been compared three advantages and improvement:

First, owing to designed the straight-bar position that (0 scale) position socket of soft bar rule is connected sliding nail in the technical scheme of novel practical ellipsograph of the present utility model, the lower end position of sliding nail is plugged on the position of the T-shape chute of slide rule, be combined into the Slipped Clove Hitch structure of whip shape, so can easier solution fixing soft bar rule is controlled Len req with horizontally slipping, thus the technical problem of the oval focal length 2C of control.

Second, because the hole site, two ends of having designed stator in the technical scheme of novel practical ellipsograph of the present utility model is installed in the left position of slide rule with screw, the position, other end of soft bar rule penetrates the central elevation position that is connected stator, but be combined into the stretch structure of bar belt shape, can easier solution flexible bending change soft bar rule length, thus the technical problem of control long axis of ellipse 2a size.

The 3rd, be screwed into the center screw position that is connected stator owing to designed the clench nail lower end position in the technical scheme of novel practical ellipsograph of the present utility model, the sidewall locations stretching of pencil body is connected the inner wall position of soft bar rule, be combined into the Sliding Structures of triangle, so technical problem that can easier solution picture ellipse.

(4) description of drawings:

Accompanying drawing provides the structural representation of novel practical ellipsograph of the present utility model:

Fig. 1: the overall structure schematic diagram that is novel practical ellipsograph of the present utility model:

The label declaration of parts in the schematic diagram:

1 pencil body, 2 soft bar rule 3 slide rules 4 sliding nails

5 stators, 6 clench nails, 7 pencil lead

(5) specific embodiment:

Below in conjunction with accompanying drawing, it is nonstandard when novel practical ellipsograph of the present utility model is solved the picture ellipse for realization, draw oval chi and can make common lattice chi and use (chi is used) more, the optimal way of the technical scheme that can take according to the technical problem that length comes accurate control will draw oval size is described further:

Its static structure: please join accompanying drawing: as shown in the figure, novel practical ellipsograph of the present utility model mainly is made of pencil body 1, soft bar rule 2, slide rule 3, sliding nail 4, stator 5, clench nail 6, pencil lead 7.Its major part pencil body 1, sliding nail 4, clench nail 6 are selected for use by market.Its soft bar rule 2 has fixedly soft belt shape of scale on being, moulds or canvas is a material with soft, through cutting out processing and manufacturing.Its slide rule 3 is middle ruler shapes that chute is arranged, and is material with the duroplasts, presses processing and manufacturing through pricking.Its stator 5 is plate shapes of the porose median rise in two ends, is material with light aluminium alloy, through the die-casting process manufacturing.

In shape, structure and combination thereof, the total essential features of novel practical ellipsograph of the present utility model and immediate prior art is: the integral position straight cutting of pencil lead 7 is installed in the center of pencil body 1, be combined into the fixed structure of straight-bar shape, function has been the effect of writing.Sliding nail 4 all is round-shaped and existing identical with clench nail 6, and function has been slip and fastening effect.In shape, structure and combination thereof, the novel practical ellipsograph of the present utility model technical characterictic different with immediate prior art is: (0 scale) position socket of soft bar rule 2 is connected the straight-bar position of sliding nail 4, the lower end position of sliding nail 4 is plugged on the position of the T-shape chute of slide rule 3, be combined into the Slipped Clove Hitch structure of whip shape, function is to fix soft bar rule and horizontally slip to control Len req, thus the effect of the focal length 2C of control ellipse.The hole site, two ends of stator 5 is installed in the left position of slide rule 3 with screw, the position, other end of soft bar rule 2 penetrates the central elevation position that is connected stator 5, but be combined into the stretch structure of bar belt shape, function has been the flexible curved soft bar rule length of changing, thus the effect of control long axis of ellipse 2a size.The lower end position of clench nail 6 is screwed into the center screw position that is connected stator 5, and the sidewall locations stretching of pencil body 1 is connected the inner wall position of soft bar rule 2, is combined into the Sliding Structures of triangle, and function has been the effect of picture ellipse.

Below by using method, further set forth the dynamic structure relation of this practical novel practical ellipsograph: in use, in the time of needs picture ellipse, according to how much principle, at first will slide nail 4 and be put into fixedly scale, then according to good soft bar rule 2 length of desired major axis a length adjustment according to requirement focal length C length, be tightened with clench nail 6 then again, mobile pencil, the ellipse of the track of being passed by, thus finish the task of picture ellipse.

In use, when needs used the lattice chi to draw straight line or measurement, the principle according to how much at first kept flat slide rule 3, aims at scale then, setting-out or measurement then again, thus finish measuring of task with setting-out.So just realized that the solution picture of novel practical ellipsograph of the present utility model is nonstandard when oval, drawn oval chi and can make common lattice chi and use (chi is used) more, can come accurate control will draw the purpose of the technical problem of oval size according to length.

Realize that preferred plan of the present utility model is is material with plastics, utilize stationery to add the basic equipment of processing factory, take to produce by batch on a large scale,, so just can realize the practical value and the economic worth of novel practical ellipsograph of the present utility model better to supply the demand of cultural all circles

Claims

1. novel practical ellipsograph, it is to be made of pencil body (1), soft bar rule (2), slide rule (3), sliding nail (4), stator (5), clench nail (6), pencil lead (7), the integral position straight cutting of its pencil lead (7) is installed in the center of pencil body (1), sliding nail (4) all is round-shaped and existing identical with clench nail (6), it is characterized in that: (0 scale) position socket of soft bar rule (2) is connected the straight-bar position of sliding nail (4), and the lower end position of sliding nail (4) is plugged on the position of the T-shape chute of slide rule (3).

2. novel practical ellipsograph according to claim 1, the hole site, two ends that it is characterized in that stator (5) is installed in the left position of slide rule (3) with screw, and the position, other end of soft bar rule (2) penetrates the central elevation position that is connected stator (5).

3. novel practical ellipsograph according to claim 1 is characterized in that the lower end position of clench nail (6) is screwed into the center screw position that is connected stator (5), and the sidewall locations stretching of pencil body (1) is connected the inner wall position of soft bar rule (2).