CN202986523U - Multifunctional ruler - Google Patents

Abstract

The utility model provides a multifunctional ruler which comprises a main ruler (1), an auxiliary ruler (3) and a fixing nail (4). The main ruler (1) and the auxiliary ruler (3) are hinged in cross mode through the fixing nail (4), length scales and angle scales are arranged on the main ruler (1), the center of the fixing nail (4) is overlapped with a circle center of the angle scales of the main ruler (1), and length scales, a reference line (6) and a row of reasonable-sized round holes (5) for refills to be inserted are arranged on the auxiliary ruler (3). The reference line (6) is parallel to the length direction of the auxiliary ruler (3) and passes through the circle center of the angle scales of the main ruler (1). The multifunctional ruler can conveniently measure the length and accurately measure angles, can be used for drawing a circle, a circular arc and a rounded angle, and is convenient and quick, and the problem that various measuring tools are inconvenient to carry and are not quick in operation is solved.

Description

Multifunctional ruler

Technical field

The utility model relates to a kind of multifunctional ruler, particularly relates to the multifunctional ruler that a kind of student measures mapping use.

Background technology

At present, student's cover chi used has a lot of, such as ruler, protractor, and compasses, isosceles right angle triangle etc., not only number of packages is many, and is easy to lose.In most of learning processes, ruler and protractor use at most, and the protractor that has is also inconvenient in reading.

The utility model content

The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of multifunctional ruler, is used for solving prior art and carries problem with inconvenient operation etc.

reach for achieving the above object other relevant purposes, the utility model provides a kind of multifunctional ruler, described multifunctional ruler comprises at least: main scale, secondary chi and a staple, main scale and secondary chi are by the staple cross-articulation, main scale is provided with length scale and angle index, the center of circle of the center of described staple and the angle index of described main scale is overlapping, secondary chi is provided with the length scale, the circular hole of the inserted pen core that reference line and delegation are of moderate size, described reference line is parallel to the length direction of described secondary chi, and described reference line is through the center of circle of the angle index of described main scale.

Further, main scale is shorter than secondary chi.

Further, the circular hole on secondary chi evenly distributes according to the scale on secondary chi, and the circle center line connecting of circular hole is parallel with secondary chi length direction.

According to principle and the character of parallel lines, be that the revolute pair chi is rotated in the center of circle around pin joint, can take measurement of an angle with reference to the angle index on main scale.

Multifunctional ruler of the present utility model can be convenient for measuring length and Measurement accuracy angle, and can utilize multifunctional ruler to draw circle, circular arc and fillet, and is convenient and swift, solved carry multiple survey tool inconvenience and operate not problem efficiently, convenient and practical.

Description of drawings

Fig. 1 is shown as the structural representation of multifunctional ruler of the present utility model.

Fig. 2 is shown as the main scale schematic diagram of multifunctional ruler of the present utility model.

Fig. 3 is shown as the secondary chi schematic diagram of multifunctional ruler of the present utility model.

Wherein, Reference numeral:

1 main scale

2 centers of circle

3 secondary chis

4 staples

5 circular holes

6 reference lines

The specific embodiment

Below by particular specific embodiment explanation embodiment of the present utility model, person skilled in the art scholar can understand other advantages of the present utility model and effect easily by the disclosed content of this specification.

See also Fig. 1 to Fig. 3.Notice, the appended graphic structure that illustrates of this specification, ratio, size etc., equal contents in order to coordinate specification to disclose only, understand and read for person skilled in the art scholar, be not to limit the enforceable qualifications of the utility model, therefore the technical essential meaning of tool not, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under the effect that the utility model can produce and the purpose that can reach, all should still drop on the technology contents that the utility model discloses and get in the scope that can contain.Simultaneously, quote in this specification as " on ", D score, " left side ", " right side ", " centre " reach the term of " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under without essence change technology contents, when also being considered as the enforceable category of the utility model.

arrive shown in Figure 3 as Fig. 1, the utility model provides a kind of multifunctional ruler, described multifunctional ruler comprises at least: main scale 1, secondary chi 3 and a staple 4, main scale 1 and secondary chi 3 are by staple 4 cross-articulation, main scale 1 is provided with length scale and angle index, the center of circle of the angle index of the center of described staple 4 and described main scale 1 is overlapping, secondary chi 3 is provided with the length scale, the circular hole 5 of the inserted pen core that reference line 6 and delegation are of moderate size, described reference line 6 is parallel to the length direction of described secondary chi 3, and described reference line 6 is through the center of circle of the angle index of described main scale 1.

Particularly, main scale 1 is shorter than secondary chi 3, conveniently reads the angle between reference line 6 and horizontal line on secondary chi 3 during the revolute pair chi, thereby measures or draw angle etc.

Particularly, circular hole 5 evenly distributes according to the scale on secondary chi 3, and the center of circle of circular hole 5 and main scale 1 and secondary chi 3 pin joints are on same straight line 6.The in the same size of circular hole 5, set circular hole can replace the function of compasses.

According to the principle of parallel lines and the character at character and angle, be that revolute pair chi 3 is rotated in the center of circle 2 around pin joint, can take measurement of an angle with reference to the angle index on main scale 1.For example: have length scale one end to align with a limit of institute angle measurement with main scale 1, revolute pair chi 3, when the angle indexs of 30 degree on the reference line 6 on secondary chi 3 and main scale 1 overlap, law equal to vertical angles, angle between secondary chi 3 and main scale 1 is 30 degree, and the angle of namely surveying is 30 degree.

Pen core is inserted circular hole 5 on the corresponding scale of secondary chi 3, drive revolute pair chi 1 with pen core, can draw circle, circular arc and the fillet of different radii.

The used time can not become one ruler with secondary chi 2 altogether yet, is convenient for carrying.

Can measure length according to the length scale on main scale 1 and secondary chi 3, draw straight line etc.

In sum, the utility model can be convenient for measuring length and Measurement accuracy angle, and can draw circle, circular arc and fillet, and is convenient and swift, solved carry multiple survey tool inconvenience and operate not problem efficiently.So the utility model has effectively overcome various shortcoming of the prior art and the tool high industrial utilization.

Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not is used for restriction the utility model.Any person skilled in the art scholar all can under spirit of the present utility model and category, modify or change above-described embodiment.Therefore, have in technical field under such as and know that usually the knowledgeable modifies or changes not breaking away from all equivalences of completing under spirit that the utility model discloses and technological thought, must be contained by claim of the present utility model.

Claims (3)

1. multifunctional ruler, it is characterized in that: described multifunctional ruler comprises at least: main scale (1), secondary chi (3) and a staple (4), main scale (1) and secondary chi (3) are by staple (4) cross-articulation, main scale (1) is provided with length scale and angle index, the center of circle of the angle index of the center of described staple (4) and described main scale (1) is overlapping, secondary chi (3) is provided with the length scale, the circular hole (5) of the inserted pen core that reference line (6) and delegation are of moderate size, described reference line (6) is parallel to the length direction of described secondary chi (3), and described reference line (6) is through the center of circle of the angle index of described main scale (1).

2. multifunctional ruler according to claim 1, it is characterized in that: main scale (1) is shorter than secondary chi (3).

3. multifunctional ruler according to claim 1, it is characterized in that: the circular hole (5) on secondary chi (3) evenly distributes according to the scale on secondary chi (3), and the circle center line connecting of circular hole (5) is parallel with secondary chi (3) length direction.

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