CN210082758U - Drawing rule - Google Patents
Drawing rule Download PDFInfo
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- CN210082758U CN210082758U CN201920907906.XU CN201920907906U CN210082758U CN 210082758 U CN210082758 U CN 210082758U CN 201920907906 U CN201920907906 U CN 201920907906U CN 210082758 U CN210082758 U CN 210082758U
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Abstract
The application relates to the technical field of drawing rules, especially, relate to a drawing rule. The drawing rule of this application includes: the vector symbol cavity comprises a vector center point cavity, a phase voltage symbol cavity consisting of three first vector line segments and a line voltage symbol cavity consisting of six second vector line segments, wherein the three first vector line segments extend by taking the vector center point cavity as the center, and the six second vector line segments extend by taking the vector center point cavity as the center, and the phase voltage symbol cavity and the line voltage symbol cavity are not overlapped with each other; an electrical element symbol cavity comprising a circle symbol cavity, a parallel resistance symbol cavity, and an inductor element symbol cavity; the ruler plate is provided with the vector symbol cavity and the electric element symbol cavity in a penetrating mode. By adopting the drawing ruler, vector symbols and various electric element symbols can be drawn quickly and attractively, and drawing time of tools such as protractors, rulers and compasses is saved.
Description
Technical Field
The application relates to the technical field of drawing rules, especially, relate to a drawing rule.
Background
In the teaching or learning process of electrical engineering and the practical work of electrical engineering, a circuit diagram and a vector diagram are often required to be drawn, and when the circuit diagram and the vector diagram are drawn manually, a drawing person is required to draw with a ruler in one stroke, so that time is wasted, and the finishing of the diagram cannot be guaranteed at all; therefore, drawing rules have appeared, which are known to draw different types of patterns and figures. However, these drawing rulers still have the disadvantages that it is difficult to solve the technical problems of convenient and fast drawing of circuit diagrams and vector diagrams, and the drawn circuit diagrams and vector diagrams are not beautiful and standard.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a drawing rule which can draw a vector diagram and a circuit diagram quickly, beautifully and accurately.
In view of this, the present application provides a drawing rule, including:
the vector symbol cavity comprises a vector center point cavity, a phase voltage symbol cavity consisting of three first vector line segments and a line voltage symbol cavity consisting of six second vector line segments, wherein the three first vector line segments extend by taking the vector center point cavity as the center, and the six second vector line segments extend by taking the vector center point cavity as the center, and the phase voltage symbol cavity and the line voltage symbol cavity are not overlapped with each other;
an electrical element symbol cavity comprising a circle symbol cavity, a parallel resistance symbol cavity, and an inductor element symbol cavity;
the ruler plate is provided with the vector symbol cavity and the electric element symbol cavity in a penetrating mode.
Preferably, in the phase voltage symbol cavity formed by three first vector line segments extending by taking the vector center point cavity as the center, two adjacent first vector line segments are 120 degrees away from each other.
Preferably, the end points of the three first vector line segments far away from the vector center point cavity are provided with arrow mark cavities.
Preferably, in a line voltage sign cavity formed by six second vector line segments extending with the vector center point cavity as the center, two adjacent second vector line segments are 60 degrees relative to each other.
Preferably, the end points of the six second vector line segments far away from the vector center point cavity are provided with arrow symbol cavities.
Preferably, the parallel resistor symbol cavities include a first resistor symbol cavity, a second resistor symbol cavity, a third resistor symbol cavity, an input line symbol cavity, a first output line symbol cavity, a second output line symbol cavity, and a third output line symbol cavity;
one end of the input line symbol cavity is connected with the head part of the first resistor symbol cavity, the head part of the second resistor symbol cavity and the head part of the third resistor symbol cavity in parallel, one end of the first output line symbol cavity is connected with the tail part of the first resistor symbol cavity, one end of the second output line symbol cavity is connected with the tail part of the second resistor symbol cavity, and one end of the third output line symbol cavity is connected with the tail part of the third resistor symbol cavity.
Preferably, the inductor element symbol cavities include a first sub-inductor element symbol cavity, a second sub-inductor element symbol cavity, and a third sub-inductor element symbol cavity;
the first sub-inductor element symbol cavity comprises a first vertical line cavity, a first semicircular line cavity, a second semicircular line cavity, a third semicircular line cavity and a second vertical line cavity; the first vertical line cavity, the first semicircular line cavity, the second semicircular line cavity, the third semicircular line cavity and the second vertical line cavity are sequentially communicated and connected end to end;
the second sub-inductor element symbol cavity comprises a first vertical line cavity, a first semicircular line cavity, a second semicircular line cavity and a second vertical line cavity; the first vertical line cavity, the first semicircular line cavity, the second semicircular line cavity and the second vertical line cavity are sequentially communicated and connected end to end;
the third sub-inductor element symbol cavity comprises a first vertical line cavity, a first semicircular line cavity, a second semicircular line cavity, a third semicircular line cavity, a transverse line cavity, a fourth semicircular line cavity, a fifth semicircular line cavity, a sixth semicircular line cavity, a second vertical line cavity and a third vertical line cavity; the first vertical line cavity, the first semicircular line cavity, the second semicircular line cavity, the third semicircular line cavity, the transverse line cavity, the fourth semicircular line cavity, the fifth semicircular line cavity, the sixth semicircular line cavity and the second vertical line cavity are sequentially communicated and connected, and one end of the third vertical line cavity is communicated and connected with the center of the transverse line cavity.
Preferably, the ruler plate is an acrylic ruler plate.
Preferably, the acrylic ruler plate is a transparent acrylic ruler plate.
Preferably, the drawing rule further comprises a scale provided on an edge of the rule plate.
According to the technical scheme, the embodiment of the application has the following advantages:
in the embodiment of the application, the drawing ruler is placed at the position where a vector symbol or/and an electrical element symbol needs to be drawn, the pen point is placed on the vector symbol cavity 1 or/and the electrical element symbol cavity, the corresponding symbol shape is drawn under the guidance of the vector symbol cavity 1 or/and the electrical element symbol cavity, a user can draw the vector symbol and various electrical element symbols quickly and beautifully by adopting the drawing ruler, and the drawing time of tools such as a protractor, a ruler and the like is saved.
Drawings
Fig. 1 is a structural view of a drawing rule provided in an embodiment of the present application.
Detailed Description
The technical solutions of the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the embodiments in the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless explicitly stated or limited otherwise; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
It should be understood that the present application is applied to the case of drawing a circuit diagram and a vector diagram, please refer to fig. 1, fig. 1 is a structural diagram of a drawing rule provided in the present application, as shown in fig. 1, fig. 1 includes a vector symbol cavity 1, the vector symbol cavity includes a vector center point cavity 1-1, a phase voltage symbol cavity composed of three first vector line segments extending with the vector center point cavity 1-1 as a center, and a line voltage symbol cavity composed of six second vector line segments extending with the vector center point cavity 1-1 as a center, where the phase voltage symbol cavity and the line voltage symbol cavity are not overlapped with each other; an electrical element symbol cavity comprising a circle symbol cavity 2, a parallel resistance symbol cavity 3 and an inductor element symbol cavity; the ruler plate 4 is provided with a vector symbol cavity 1 and an electric element symbol cavity in a penetrating way on the ruler plate 4.
The vector symbol cavity 1 and the electrical element symbol cavity are cavities through which a pen point can pass for drawing.
Specifically, the number of the circle symbol cavities 2 can be multiple, and the ruler plate 4 can be provided with a plurality of circle symbol cavities 2 with different sizes, so that the electric elements with different sizes can be conveniently drawn.
Preferably, the symbolic cavities 1 and the electrical component symbolic cavities may be uniformly dispersed throughout the blade 4.
The application designs a drawing rule, place the drawing rule in the position that needs draw vector symbol or/and electric elements symbol, place the nib on vector symbol cavity 1 or/and electric elements symbol cavity, draw corresponding symbol shape under the guide of vector symbol cavity 1 or/and electric elements symbol cavity, the user adopts the drawing rule of this application can be fast and pleasing to the eye draw vector symbol and various electric elements symbol, save the drawing time of instruments such as protractor, ruler and compasses.
Specifically, the vector symbol cavity 1 or/and the electrical component symbol cavity may be arranged on the ruler plate 4 in a hollow manner.
Further, in the present embodiment, referring to fig. 1, in a phase voltage symbol cavity formed by three first vector line segments extending with a vector center point cavity 1-1 as a center, adjacent first vector line segments mutually form 120 °, the three first vector line segments are respectively a first vector line segment 1-2, a first vector line segment 1-3 and a first vector line segment 1-4, an included angle between the first vector line segment 1-2 and the first vector line segment 1-3 is 120 °, an included angle between the first vector line segment 1-3 and the first vector line segment 1-4 is 120 °, and an included angle between the first vector line segment 1-4 and the first vector line segment 1-2 is 120 °, so as to form a common phase voltage vector symbol.
In addition, the end points of the three first vector line segments far from the vector center point cavity 1-1 of the embodiment are also provided with arrow mark cavities a, that is, the end points of the three first vector line segments can be provided with the arrow mark cavities a, so that a user can draw arrow marks of vectors conveniently.
Further, in this embodiment, referring to fig. 1, in a line voltage symbol cavity formed by six second vector line segments extending around a vector center point cavity 1-1, the adjacent second vector line segments form 60 ° with each other, the six second vector line segments are respectively a second vector line segment 1-5, a second vector line segment 1-6, a second vector line segment 1-7, a second vector line segment 1-8, a second vector line segment 1-9, and a second vector line segment 1-10, an included angle between the second vector line segment 1-5 and the second vector line segment 1-6 is 60 °, an included angle between the second vector line segment 1-6 and the second vector line segment 1-7 is 60 °, an included angle between the second vector line segment 1-7 and the second vector line segment 1-8 is 60 °, an included angle between the second vector line segment 1-8 and the second vector line segment 1-9 is 60 °, the second vector line segment 1-9 forms a 60 degree angle with the second vector line segment 1-10, and the second vector line segment 1-10 forms a 60 degree angle with the second vector line segment 1-5, so as to form a common line voltage vector symbol.
In addition, the end points of the six second vector line segments far from the vector center point cavity 1-1 are also provided with arrow symbol cavities a, that is, the ends of the six second vector line segments may be provided with arrow symbol cavities a, which is convenient for a user to draw arrow symbols of vectors.
Further, in this embodiment, referring to fig. 1, the parallel resistance symbol cavity 3 includes a first resistance symbol cavity 3-1, a second resistance symbol cavity 3-2, a third resistance symbol cavity 3-3, an input line symbol cavity 3-7, a first output line symbol cavity 3-4, a second output line symbol cavity 3-5, and a third output line symbol cavity 3-6; one end of an input line symbol cavity 3-7 is connected with the head part of a first resistor symbol cavity 3-1, the head part of a second resistor symbol cavity 3-2 and the head part of a third resistor symbol cavity 3-3 in parallel, one end of a first output line symbol cavity 3-4 is connected with the tail part of the first resistor symbol cavity 3-1, one end of a second output line symbol cavity 3-5 is connected with the tail part of the second resistor symbol cavity 3-2, and one end of a third output line symbol cavity 3-6 is connected with the tail part of the third resistor symbol cavity 3-3, so that a common parallel resistor element symbol is formed. The parallel resistive symbol cavity 3 may incorporate different symbols such as a circle symbol cavity 2, a line segment or other electrical element symbol, etc. to form other electrical symbols.
Further, in this embodiment, referring to fig. 1, the inductor symbol cavity includes a first sub-inductor symbol cavity 6, a second sub-inductor symbol cavity 7 and a third sub-inductor symbol cavity 8; the first sub-inductor element symbol cavity 6 comprises a first vertical line cavity 6-1, a first semicircular line cavity 6-2, a second semicircular line cavity 6-3, a third semicircular line cavity 6-4 and a second vertical line cavity 6-5; the first vertical line cavity 6-1, the first semicircular line cavity 6-2, the second semicircular line cavity 6-3, the third semicircular line cavity 6-4 and the second vertical line cavity 6-5 are sequentially communicated and connected end to form a common inductor element symbol; the second sub-inductor element symbol cavity 7 comprises a first vertical line cavity 7-1, a first semicircular line cavity 7-2, a second semicircular line cavity 7-3 and a second vertical line cavity 7-4; the first vertical line cavity 7-1, the first semicircular line cavity 7-2, the second semicircular line cavity 7-3 and the second vertical line cavity 7-4 are sequentially communicated and connected end to form a common inductor element symbol; the third sub-inductor element symbol cavity 8 comprises a first vertical line cavity 8-1, a first semicircular line cavity 8-2, a second semicircular line cavity 8-3, a third semicircular line cavity 8-4, a transverse line cavity 8-5, a fourth semicircular line cavity 8-6, a fifth semicircular line cavity 8-7, a sixth semicircular line cavity 8-8, a second vertical line cavity 8-9 and a third vertical line cavity 8-10; the inductor comprises a first vertical line cavity 8-1, a first semicircular line cavity 8-2, a second semicircular line cavity 8-3, a third semicircular line cavity 8-4, a transverse line cavity 8-5, a fourth semicircular line cavity 8-6, a fifth semicircular line cavity 8-7, a sixth semicircular line cavity 8-8 and a second vertical line cavity 8-9, wherein the heads and the tails of the first vertical line cavity 8-1, the first semicircular line cavity 8-2, the second semicircular line cavity 8-3, the third semicircular line cavity 8-8 and the second vertical line cavity 8-9 are sequentially communicated and connected, and one end of the third vertical line cavity 8-10 is communicated and connected with the center of the transverse line cavity 8-5, so that a common. First sub-inductor element symbol cavity 6, second sub-inductor element symbol cavity 7, and third sub-inductor element symbol cavity 8 may form other electrical symbols such as coils, voltage transformer elements, or current transformer elements by incorporating other pattern symbols such as wire segments and the like.
Specifically, the opening directions of the semicircular lines of the first sub-inductor element symbol cavity 6, the second sub-inductor element symbol cavity 7, and the third sub-inductor element symbol cavity 8 may be the same or opposite.
Further, in this embodiment, the ruler plate 4 is an acrylic ruler plate, and the acrylic ruler plate has the advantages of good transparency, chemical stability, weather resistance, easy dyeing, easy processing, and beautiful appearance. Preferably, the acrylic ruler plate is a transparent acrylic ruler plate, and the transparent acrylic ruler plate is convenient to use.
Further, in this embodiment, referring to fig. 1, the ruler further includes a scale 5, where the scale 5 is disposed on an edge of the ruler plate 4, and specifically, the scale 5 is disposed on a long edge of the ruler plate 4.
The terms "first," "second," "third," "fourth," and the like in the description of the application and the above-described figures, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be understood that in the present application, "at least one" means one or more, "a plurality" means two or more. "and/or" for describing an association relationship of associated objects, indicating that there may be three relationships, e.g., "a and/or B" may indicate: only A, only B and both A and B are present, wherein A and B may be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of single item(s) or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", wherein a, b, c may be single or plural.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. A drawing rule, comprising:
the vector symbol cavity comprises a vector center point cavity, a phase voltage symbol cavity consisting of three first vector line segments and a line voltage symbol cavity consisting of six second vector line segments, wherein the three first vector line segments extend by taking the vector center point cavity as the center, and the six second vector line segments extend by taking the vector center point cavity as the center, and the phase voltage symbol cavity and the line voltage symbol cavity are not overlapped with each other;
an electrical element symbol cavity comprising a circle symbol cavity, a parallel resistance symbol cavity, and an inductor element symbol cavity;
the ruler plate is provided with the vector symbol cavity and the electric element symbol cavity in a penetrating mode.
2. A drawing rule according to claim 1, characterized in that in a phase voltage symbol space consisting of three first vector line segments extending around the vector centre point space, the first vector line segments of two adjacent vector line segments are at 120 ° to each other.
3. A drawing rule according to claim 2, characterized in that the end points of the three first vector line segments remote from the vector centre point cavity are each further provided with an arrow symbol cavity.
4. A drawing rule according to claim 1, characterized in that in a line voltage symbol cavity consisting of six second vector line segments extending with the vector centre point cavity as the centre, two adjacent second vector line segments are at 60 ° to each other.
5. A drawing rule according to claim 4, wherein the end points of the six second vector line segments remote from the vector centre point cavity are each further provided with an arrow symbol cavity.
6. A drawing rule according to claim 1, wherein the parallel resistive symbol cavities include a first resistive symbol cavity, a second resistive symbol cavity, a third resistive symbol cavity, an input line symbol cavity, a first output line symbol cavity, a second output line symbol cavity and a third output line symbol cavity;
one end of the input line symbol cavity is connected with the head part of the first resistor symbol cavity, the head part of the second resistor symbol cavity and the head part of the third resistor symbol cavity in parallel, one end of the first output line symbol cavity is connected with the tail part of the first resistor symbol cavity, one end of the second output line symbol cavity is connected with the tail part of the second resistor symbol cavity, and one end of the third output line symbol cavity is connected with the tail part of the third resistor symbol cavity.
7. The drawing rule of claim 1 wherein the inductor symbol cavity includes a first sub-inductor symbol cavity, a second sub-inductor symbol cavity, and a third sub-inductor symbol cavity;
the first sub-inductor element symbol cavity comprises a first vertical line cavity, a first semicircular line cavity, a second semicircular line cavity, a third semicircular line cavity and a second vertical line cavity; the first vertical line cavity, the first semicircular line cavity, the second semicircular line cavity, the third semicircular line cavity and the second vertical line cavity are sequentially communicated and connected end to end;
the second sub-inductor element symbol cavity comprises a first vertical line cavity, a first semicircular line cavity, a second semicircular line cavity and a second vertical line cavity; the first vertical line cavity, the first semicircular line cavity, the second semicircular line cavity and the second vertical line cavity are sequentially communicated and connected end to end;
the third sub-inductor element symbol cavity comprises a first vertical line cavity, a first semicircular line cavity, a second semicircular line cavity, a third semicircular line cavity, a transverse line cavity, a fourth semicircular line cavity, a fifth semicircular line cavity, a sixth semicircular line cavity, a second vertical line cavity and a third vertical line cavity; the first vertical line cavity, the first semicircular line cavity, the second semicircular line cavity, the third semicircular line cavity, the transverse line cavity, the fourth semicircular line cavity, the fifth semicircular line cavity, the sixth semicircular line cavity and the second vertical line cavity are sequentially communicated and connected, and one end of the third vertical line cavity is communicated and connected with the center of the transverse line cavity.
8. A drawing rule according to claim 1, characterized in that the rule board is an acrylic rule board.
9. The drawing rule according to claim 8 wherein the acrylic rule plate is a transparent acrylic rule plate.
10. The drawing ruler according to any one of claims 1 to 9, further comprising a scale provided on an edge of the ruler plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920907906.XU CN210082758U (en) | 2019-06-17 | 2019-06-17 | Drawing rule |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920907906.XU CN210082758U (en) | 2019-06-17 | 2019-06-17 | Drawing rule |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210082758U true CN210082758U (en) | 2020-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920907906.XU Active CN210082758U (en) | 2019-06-17 | 2019-06-17 | Drawing rule |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210082758U (en) |
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2019
- 2019-06-17 CN CN201920907906.XU patent/CN210082758U/en active Active
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