CN203438724U - Compasses capable of drawing non-coplanar projection circle with specified circle center line and horizontal plane inclination angle - Google Patents

Compasses capable of drawing non-coplanar projection circle with specified circle center line and horizontal plane inclination angle Download PDF

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Publication number
CN203438724U
CN203438724U CN201320448616.6U CN201320448616U CN203438724U CN 203438724 U CN203438724 U CN 203438724U CN 201320448616 U CN201320448616 U CN 201320448616U CN 203438724 U CN203438724 U CN 203438724U
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China
Prior art keywords
pin
pin assembly
compasses
horizontal plane
picture
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Expired - Fee Related
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CN201320448616.6U
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Chinese (zh)
Inventor
郑建青
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Ningbo University
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Ningbo University
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Priority to CN201320448616.6U priority Critical patent/CN203438724U/en
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Abstract

The utility model relate to a pair of compasses capable of drawing a non-coplanar projection circle with a specified circle center line and a horizontal plane inclination angle. The compasses comprise a drawing pin assembly and a fixed pin assembly, wherein the drawing pin assembly and the fixed pin assembly are parallel to each other, and are arranged on a linear guide rail in a sliding way; the drawing pin assembly is provided with a drawing pin capable of sliding upwards and downwards; the bottom end of the drawing pin is provided with a drawing needle; a horizontal angle measuring device is arranged on the fixed pin assembly; a level tube is arranged in the horizontal angle measuring device. The compasses have the advantages of simple structure and convenience in use; projection circles with required circle center lines, inclination angles on horizontal planes and different radiuses can be drawn conveniently on uneven deformed surfaces or curved surfaces, and the inclination angle between a drawn projection circle and a horizontal plane can be measured through the horizontal angle measuring device.

Description

A kind of compasses that can draw the antarafacial projection circle at centering line and horizontal plane angle of inclination
Technical field
The utility model relates to drawing tools field, especially refers to a kind of compasses, refer to especially a kind of can be on curved surface or rough shaped face the compasses of projection circle at divider calipers centering line and horizontal plane angle of inclination.
Background technology
In study and work, can run into the situation that needs picture projection circle on curved surface or rough shaped face, as the demonstration of solid geometry, descriptive geometry, opening-nozzle etc. on thin-wall curved-surface in engineering construction.
Because circle is planar graph, the projection circle on shaped face is the solid curve being distributed on the face of cylinder, because face of cylinder own centre line, we are called this center line the center line of shaped face projection circle.
Because general compasses can only draw circle in the plane, can not on curved surface or rough shaped face, draw projection circle, more can not draw the projection circle at center of circle line and horizontal plane angle of inclination, to bringing many troubles in education demonstration and work.As the intersection that pipeline tapping is taken over, need to according to the caliber of mother's pipe and sub-pipe, finish the expanded view of intersection, make template, then sign on pipeline, other shaped face can only constantly be revised and obtain suitable projection circle, very inconvenient.
Summary of the invention
Technical problem to be solved in the utility model is the present situation for prior art, a kind of compasses that can draw the antarafacial projection circle at centering line and horizontal plane angle of inclination are provided, it is simple in structure, easy to use, by it, can on rough shaped face or curved surface, draw easily the projection circle of the different radii that requires center of circle line and horizontal plane to have angle of inclination.
The utility model solves the problems of the technologies described above adopted technical scheme:
A kind of compasses that can draw the antarafacial projection circle at centering line and horizontal plane angle of inclination, comprise picture pin assembly and determine pin assembly, wherein, draw pin assembly and to determine pin assembly parallel and can be arranged at slidably on a line slideway, draw on pin assembly and be provided with the picture pin that can slide up and down, the bottom of drawing pin is provided with picture pin, determines to be provided with on pin assembly level angle measuring appliance, and is provided with levelling tube in this level angle measuring appliance.
The technical measures of optimizing also comprise:
Drawing pin assembly also comprises picture footmuff pipe and draws pin Fixing clamp-seat, draw pin assembly and be connected cooperation by Fixing clamp-seat with described line slideway, drawing pin can slide up and down to be placed in described picture footmuff pipe, draw pin Fixing clamp-seat and be fixedly connected with drawing footmuff pipe, on this Fixing clamp-seat, be provided with picture pin set bolt.
Above-mentioned determine pin assembly and comprise and determine pin, determine needle cannula and determine pin Fixing clamp-seat, determine pin assembly and be connected cooperation by determining pin Fixing clamp-seat with described line slideway, determining needle cannula is placed on and determines outside pin, determine pin Fixing clamp-seat and be fixedly connected with determining needle cannula, this determines to be provided with and to determine pin set bolt on pin Fixing clamp-seat.
The above-mentioned bottom of determining pin is provided with the needle point of determining of tapered structure, and the top of determining pin is provided with handle.
On above-mentioned line slideway, be provided with for indicating the graduation mark of distance.
Above-mentioned level angle measuring appliance comprises level angle measuring appliance dial and level angle measuring appliance alidade, angle measurement equipment alidade and concentric setting of level angle measuring appliance alidade.
Above-mentioned level angle measuring appliance is mechanical type level angle measuring appliance or electron type level angle measurement equipment.
A kind of compasses that can draw the antarafacial projection circle at centering line and horizontal plane angle of inclination of the present utility model adopt picture pin assembly and to determine pin assembly parallel and can be arranged at slidably on a line slideway, draw on pin assembly and be provided with the picture pin that can slide up and down, the bottom of drawing pin is provided with picture pin, determine, on pin assembly, level angle measuring appliance is installed, in this level angle measuring appliance, be provided with levelling tube.During drawing, according to drawn radius of a circle by picture pin assembly with determine pin assembly and be installed on line slideway, the lower summit of determining pin assembly is put in to home position, rotation compasses can complete the drafting of required circle, because the picture pin of drawing on pin assembly slides up and down, while painting on shaped face or curved surface, in the situation that line slideway keeps level, draw pin and will be close to all the time drawing face, by these compasses, antarafacial projection circle can be drawn easily, and the angle of inclination of this projection circle and horizontal plane can be learnt by level angle measuring appliance.
In addition, in the situation that determine projection circle center line orientation and with the inclination angle of horizontal plane, can determine pin assembly by adjustment, utilize level angle measuring appliance and levelling tube to draw required projection and justify, very convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation of drawing pin assembly in Fig. 1;
Fig. 3 is the structural representation of determining pin assembly of Fig. 1;
Fig. 4 is the left view of Fig. 3.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
Be structural representation of the present utility model as shown in Figures 1 to 4,
Reference numeral is wherein: draw pin assembly 1, draw pin 11, draw pin 12, draw footmuff pipe 13, draw pin Fixing clamp-seat 14, draw pin set bolt 15, determine pin assembly 2, determine pin 21, determine needle cannula 22, determine pin Fixing clamp-seat 23, determine pin set bolt 24, determine needle point 25, handle 26, line slideway 3, graduation mark 31, level angle measuring appliance 4, level angle measuring appliance dial 41, level angle measuring appliance alidade 42, levelling tube 5.
As shown in Figures 1 to 4,
A kind of compasses that can draw the antarafacial projection circle at centering line and horizontal plane angle of inclination of the present utility model, comprise picture pin assembly 1 and determine pin assembly 2, wherein, draw pin assembly 1 and to determine pin assembly 2 parallel and can be arranged at slidably on a line slideway 3, draw on pin assembly 1 and be provided with the picture pin 11 that can slide up and down, the bottom of drawing pin 11 is provided with picture pin 12, determines, on pin assembly 2, level angle measuring appliance 4 is installed, and in this level angle measuring appliance 4, is provided with levelling tube 5.
In embodiment, drawing pin assembly 1 also comprises picture footmuff pipe 13 and draws pin Fixing clamp-seat 14, draw pin assembly 1 and be connected cooperation by Fixing clamp-seat 14 with described line slideway 3, drawing pin 11 can slide up and down to be placed in described picture footmuff pipe 13, draw pin Fixing clamp-seat 14 and be fixedly connected with drawing footmuff pipe 13, on this Fixing clamp-seat 14, be provided with picture pin set bolt 15.
In embodiment, determining pin assembly 2 comprises and determines pin 21, determines needle cannula 22 and determine pin Fixing clamp-seat 23, determine pin assembly 2 and be connected cooperation by determining pin Fixing clamp-seat 23 with described line slideway 3, determining needle cannula 22 is placed on and determines outside pin 21, determine pin Fixing clamp-seat 23 and be fixedly connected with determining needle cannula 22, this determines to be provided with and to determine pin set bolt 24 on pin Fixing clamp-seat 23.
In embodiment, what the bottom of determining pin 21 was provided with tapered structure determines needle point 25, and the top of determining pin 21 is provided with handle 26.
In embodiment, on line slideway 3, be provided with for indicating the graduation mark 31 of distance, the setting party of graduation mark 31 draw pin assembly 1 and determine the adjusting of distance between pin assembly 2.
In embodiment, level angle measuring appliance 4 comprises level angle measuring appliance dial 41 and level angle measuring appliance alidade 42, angle measurement equipment alidade 42 and the concentric setting of level angle measuring appliance alidade 42.Level angle measuring appliance alidade 42 can be placed in inner ring rotationally, and the scale on degree measuring appliance alidade 42 on pointer level angle measuring appliance pointed dial 41 represents the angle of inclination of institute's paint projection circle and horizontal plane.
In embodiment, level angle measuring appliance 4 is mechanical type level angle measuring appliance or electron type level angle measurement equipment.
Using method:
First all parts of compasses is assembled, by picture pin assembly 1 with determine pin assembly 2 and be placed in abreast on line slideway 3, according to required drafting radius of a circle, adjust picture pin assembly 1 and determine the distance between pin assembly 2, the distance that makes the center line of picture pin assembly 1 and determine between the center line of pin assembly 2 equals radius, on line slideway 3, be provided with graduation mark 31, make adjustment become light, convenient; After adjustment completes, by draw the picture pin set bolt 15 on pin Fixing clamp-seat 14 and determine on pin Fixing clamp-seat 23 determine pin set bolt 24 tighten make picture pin assembly 1 and determine pin assembly 2 fixing, thereby guarantee that the accurate of circle of drawing determine.
In the situation that the center of circle line of the known center of circle and projection circle, find the center of circle line of centre point and projection circle, the needle point 25 of determining of determining pin assembly 2 is put on the center of circle, by determining pin 21, be placed on the center line of shaped face projection circle, take and determine needle point 25 and for the center of circle, rotate picture pin assembly 1 and can complete the drafting that shaped face projection is justified; Because the picture pin 11 of drawing on pin assembly 1 can slide up and down, when drawing 1 rotation of pin assembly, both guaranteed that line slideway 3 kept levels, make again the picture pin of picture pin 11 bottoms be close to all the time drawing face, so just can complete easily the drafting of shaped face projection circle.
When drawing, for the accuracy that guarantees to draw, need to keep determining pin assembly 2 vertical, make bubble in levelling tube 5 remain on as far as possible the center of levelling tube 5.By level angle measuring appliance 4, can be convenient for measuring the angle of inclination of institute's paint projection circle and horizontal plane.
And when the angle of inclination of known projection circle center line and projection circle and horizontal plane, can determine pin assembly 2 and make level angle measuring appliance alidade 42 point on level angle measuring appliance dials 41 known inclination angle institute accordingly during scale by adjusting, in levelling tube 5, bubble is just in time in the middle of levelling tube 5, then take to determine needle point 25 and for the center of circle, rotate picture pin assembly 1 and can complete the drafting that required projection is justified.
Most preferred embodiment of the present utility model is illustrated, and the various variations of being made by those of ordinary skills or remodeling can not depart from scope of the present utility model.

Claims (7)

1. the compasses of the antarafacial projection circle that can draw centering line and horizontal plane angle of inclination, comprise picture pin assembly (1) and determine pin assembly (2), it is characterized in that: described picture pin assembly (1) is with to determine pin assembly (2) parallel and can be arranged at slidably on a line slideway (3), on described picture pin assembly (1), be provided with the picture pin (11) that can slide up and down, the bottom of described picture pin (11) is provided with picture pin (12), described determine to be provided with on pin assembly (2) level angle measuring appliance (4), and be provided with levelling tube (5) in this level angle measuring appliance (4).
2. the compasses that a kind of antarafacial projection that can draw centering line and horizontal plane angle of inclination according to claim 1 is justified, it is characterized in that: described picture pin assembly (1) also comprises picture footmuff pipe (13) and draws pin Fixing clamp-seat (14), described picture pin assembly (1) is connected cooperation by Fixing clamp-seat (14) with described line slideway (3), described picture pin (11) can slide up and down to be placed in described picture footmuff pipe (13), described picture pin Fixing clamp-seat (14) is fixedly connected with drawing footmuff pipe (13), is provided with picture pin set bolt (15) on this Fixing clamp-seat (14).
3. the compasses that a kind of antarafacial projection that can draw centering line and horizontal plane angle of inclination according to claim 2 is justified, it is characterized in that: described determine pin assembly (2) and comprise and determine pin (21), determine needle cannula (22) and determine pin Fixing clamp-seat (23), the described pin assembly (2) of determining is connected cooperation by determining pin Fixing clamp-seat (23) with described line slideway (3), described determine needle cannula (22) and be placed on and determine outside pin (21), described determine pin Fixing clamp-seat (23) and determine needle cannula (22) and be fixedly connected with, this determines to be provided with and to determine pin set bolt (24) on pin Fixing clamp-seat (23).
4. the compasses that a kind of antarafacial projection that can draw centering line and horizontal plane angle of inclination according to claim 3 is justified, it is characterized in that: what the described bottom of determining pin (21) was provided with tapered structure determines needle point (25), and the described top of determining pin (21) is provided with handle (26).
5. a kind of compasses that can draw the antarafacial projection circle at centering line and horizontal plane angle of inclination according to claim 4, is characterized in that: on described line slideway (3), be provided with the graduation mark (31) for indicating distance.
6. the compasses that a kind of antarafacial projection that can draw centering line and horizontal plane angle of inclination according to claim 5 is justified, it is characterized in that: described level angle measuring appliance (4) comprises level angle measuring appliance dial (41) and level angle measuring appliance alidade (42) described angle measurement equipment alidade (42) and the concentric setting of level angle measuring appliance alidade (42).
7. a kind of compasses that can draw the antarafacial projection circle at centering line and horizontal plane angle of inclination according to claim 5, is characterized in that: described level angle measuring appliance (4) is mechanical type level angle measuring appliance or electron type level angle measurement equipment.
CN201320448616.6U 2013-07-26 2013-07-26 Compasses capable of drawing non-coplanar projection circle with specified circle center line and horizontal plane inclination angle Expired - Fee Related CN203438724U (en)

Priority Applications (1)

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CN201320448616.6U CN203438724U (en) 2013-07-26 2013-07-26 Compasses capable of drawing non-coplanar projection circle with specified circle center line and horizontal plane inclination angle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320448616.6U CN203438724U (en) 2013-07-26 2013-07-26 Compasses capable of drawing non-coplanar projection circle with specified circle center line and horizontal plane inclination angle

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105021103A (en) * 2015-07-13 2015-11-04 上海应用技术学院 Tool for measuring specifications of consumable item with uneven surface and application method
CN106379086A (en) * 2016-11-24 2017-02-08 刘颖 Geometric figure drawing tool for teaching
CN106737532A (en) * 2016-12-04 2017-05-31 内蒙古航天红峡化工有限公司 A kind of solid propellant rocket end socket identifies line-plotting device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105021103A (en) * 2015-07-13 2015-11-04 上海应用技术学院 Tool for measuring specifications of consumable item with uneven surface and application method
CN106379086A (en) * 2016-11-24 2017-02-08 刘颖 Geometric figure drawing tool for teaching
CN106737532A (en) * 2016-12-04 2017-05-31 内蒙古航天红峡化工有限公司 A kind of solid propellant rocket end socket identifies line-plotting device

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140219

Termination date: 20150726

EXPY Termination of patent right or utility model