CN2255925Y - Multifunctional ruler for student - Google Patents

Abstract

The utility model discloses a multifunctional ruler for students. The utility model is composed of four straight rulers having graduations (4). The middle position of each straight ruler is respectively provided with a slide way (2) having a slide way groove (9). A slide disc (10) having a locating shaft (11) is arranged in the slide way groove (9), and two contiguous straight rulers are connected together by a locating disk (5) having a locating hole (12). The utility model has the advantages of complete function, low manufacture cost, convenient carryover and strong practicability.

Description

The multifunctional student chi

The utility model belongs to study article, is specially a kind of multifunctional student chi.

At present, the drafting instrument that the student uses in the society has many kinds, but its function is mostly more single, as ruler, set square, compasses etc., this type student drafting instrument is limit owing to its function, use very inconvenient, a kind of figure of every system often need use multiple drafting instrument, to have occurred the more student of some functions in this defective society and used drafting instrument in order to overcome, as universal set-square, Napier's compasses, the student's chis etc. of using more, though this type student has been compared than much progress with drafting instrument with the student of simple function with drafting instrument, still comprehensive inadequately with regard to its function, use also not ideal enough.

Task of the present utility model is to provide an a kind of chi many usefulness, and have multiple functional, low cost of manufacture, easy to carry, practical Multifunction student uses chi.

Task of the present utility model takes following scheme to realize:

Form by four ruler (1), (6), (7), (8) that have scale (4), have the slideway (2) that has slide groove (9) in the middle part of every ruler, in slide groove (9), be provided with and can be in slide groove (9) slide and make its ruler make the slider disc that has locating shaft (11) (10) of circular motion along the axle center of its locating shaft (11), and adjacent two rulers are linked together by the positioning disk (5) that has locating hole (12) along its slideway (2).Can form different geometric figure drawing rules by adjusting the position of slider disc (10) in slideway (2).On ruler (1), (6), (7), (8), also can be provided with the examination answer and use positioning round orifice (13) and other geometric form hole with a standard blacking square hole (3) and a stroke circle.

Below will be with reference to the accompanying drawings the concrete structure of embodiment of the present utility model be described as follows.

Accompanying drawing 1 has provided structural representation of the present utility model;

Accompanying drawing 2 has provided the ruler structural representation in the accompanying drawing 1;

Accompanying drawing 3 has provided A-A in the accompanying drawing 2 to the sectional structure schematic diagram;

Accompanying drawing 4 and accompanying drawing 5 have provided the structural representation of slider disc;

Accompanying drawing 6 has provided the structural representation of positioning disk.

In the accompanying drawings, (1), (6), (7), (8) are that ruler, (2) are that slide groove, (10) for slider disc, (11) for locating shaft, (12) for locating hole, (13) be circular hole for scale, (5) for positioning disk, (9) for square hole, (4) for slideway, (3).

With reference to the accompanying drawings, having four rulers (1) of scale (4) respectively, (6), (7), (8) middle part has rectangle slideway (2), at ruler (1) along its slideway (2), (6), (7), (8) two section centres have spill slide groove (9), in spill slide groove (9), be respectively arranged with can be in spill slide groove (9) along the disc slider disc (10) that is provided with locating shaft (11) in the centre of its slip, by the positioning disk (5) that is arranged on the locating shaft (11) on the slider disc (10) and has locating hole (12) two adjacent rulers are linked together, and make its this two rulers all can do the circumferencial direction displacement around this locating shaft (11).Ruler (1) or (6), (7), (8) are provided with the examination answer and use standard blacking square hole (3) and draw circle locating hole (13).On ruler (1) or (6), (7), (8), also can be provided with tri-angle-holed, shaped form hole, square hole and other geometric form commonly used hole.

Below with reference to accompanying drawing using method of the present utility model is described as follows:

Need only when using the utility model and in slide groove (9), require slip can constitute the drawing rule of corresponding requirements slider disc (10) according to difference, now be exemplified below: the square drawing rule that example 1, accompanying drawing 1 constitute when all being in the end position in the slide groove (9) when four slider disc (10); Example 2 when drawing the square or rectangular figure of the different length of sides as need, can realize required drawing rule as long as make one of them ruler or two rulers do corresponding slip by its different length of side; Example 3 when drawing the quadrangle of the different length of sides as need, can constitute its corresponding drawing rule as long as its corresponding ruler is slided accordingly and make its adjacent two rulers do the circumferencial direction displacement along its locating shaft (11) by its different length of side; Example 4 during as the long ruler of need, as long as one of them positioning disk (5) is taken off, breaks away from its two rulers that are in this positioning disk (5), then with four rulers stretching promptly form be four times in a ruler length than long ruler; Example 5 when making compasses and use as need, can be the center of circle with locating shaft (11), is radius with the circular hole (13) at different radii place, drawing pen nib is penetrated in the circular hole (13) get final product; Example 6, when drawing the triangle of the different length of sides as need, as long as one of them positioning disk (5) is taken off, its two ruler ends that are in this positioning disk (5) are broken away from, then by rotating the set square that one of them ruler relative position can constitute the different angles and the length of side, take above using method, can form other geometric drawing rule according to actual needs.If not the time spent,, make its 4 rulers overlapping, just can realize function easy to carry as long as one of them positioning disk (5) is taken off.

The utility model can effectively be realized its task in sum, for society provides one It is multiplex to plant a chi, and has multiple functional, easy to carry, low cost of manufacture, practicality The characteristics that property is strong.

Claims (3)

1, a kind of multifunctional student chi, comprise four rulers (1), (6), (7), (8), slideway (2), square hole (3), scale (4), positioning disk (5), slide groove (9), slider disc (10), locating shaft (11), locating hole (12), circular hole (13), it is characterized in that: having four rulers (1) of scale (4) respectively, (6), (7), (8) middle part has rectangle slideway (2), at ruler (1) along its slideway (2), (6), (7), (8) two section centres have spill slide groove (9), in spill slide groove (9), be respectively arranged with can be in spill slide groove (9) along the disc slider disc (10) that is provided with locating shaft (11) in the centre of its its slip, by the positioning disk (5) that is arranged on the locating shaft (11) on the slider disc (10) and has locating hole (12) two adjacent rulers are linked together, and make its this two rulers all can do the circumferencial direction displacement around this locating shaft (11).

2, a kind of multifunctional student chi according to claim 1 is characterized in that said ruler (1) or (6), (7), (8) are provided with the examination answer and are coated with black square hole (3) and draw circle locating hole (13) with standard.

3, a kind of multifunctional student chi according to claim 1 is characterized in that also can being provided with tri-angle-holed, shaped form hole, square hole and other geometric form commonly used hole on said ruler (1) or (6), (7), (8).

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