CN207565206U - A kind of multi-functional portable type ruler of middle-school mathematics teaching - Google Patents

Abstract

The utility model discloses a kind of multi-functional portable type rulers of middle-school mathematics teaching,Including the first ruler main body,Second ruler main body,First sucker,Second sucker and third sucker,First ruler main body one end is provided with spring catch,Spring catch is fixedly connected with the second ruler main body,The first sucker is fixedly installed on the inside of spring catch,The second sucker is provided on the outside of spring catch,First ruler main body is provided with third sucker far from first sucker one end,Pass through the setting of spring catch,Realize the moving in rotation function of the second ruler main body,Pass through the first sucker,The setting of second sucker and locating rod,Realize the positioning function of whole device,Pass through the second sucker,The setting of activity folder and chalk clamp,Realize the function in blackboard upper drawing circle,Pass through the setting of scale marker,It is measured conducive to drawing lines,The utility model is simple in structure and reasonable design,More hommization,It is suitble to promote the use of.

Description

A kind of multi-functional portable type ruler of middle-school mathematics teaching

Technical field

The utility model is related to a kind of teaching ruler, more particularly, to a kind of multi-functional portable type ruler of middle-school mathematics teaching Son.

Background technology

Mathematics is a subject for studying the concepts such as quantity, structure, variation, space and information, is belonged in terms of certain angle In one kind of formal science.And in development of human history and social life, mathematics also play irreplaceable role and Study and the research essential basic tool of modern science and technology.In ancient Chinese, mathematics is called arithmetic, also known as mathematics, most The arithmetic for being just changed to mathematics ancient Chineses afterwards is one of six classical arts (in six classical arts referred to as " number ").Mathematics originates from the life of mankind's early stage Production activity, Chaldaic has had accumulated certain mathematical knowledge from remote ages, and can apply practical problem.From number See that their mathematical knowledge is also only observed and experience gained in itself, uncomprehensive conclusion and proof, but also to affirm fully The contribution that they make mathematics institute.The knowledge of background mathematics is indispensable in personal and group life one with using Point.The refining of its basic conception is shown in early in can be seen in the ancient mathematics text in ancient Egypt, Mesopotamia and ancient Gingko. From then on, development just continuously has progress by a small margin.But algebra and geometry at that time is for a long time still In independent state.Mathematics is used on many different fields, including science, engineering, medicine and economics etc..Mathematics Application in these fields is commonly referred to as applied mathematics, can also evoke new mathematical discovery sometimes, and facilitates completely new mathematics The development mathematician of section also studies pure mathematics, that is, mathematics is in itself, without using any practical application as target.Although have perhaps Multiplexing is made to study pure mathematics as the beginning, but perhaps can find suitably to apply later.

Middle school mathematics, particularly geometry teaching as the introduction basis of learning mathematics knowledge, are imparted knowledge to students for student It is highly important, the educational aid of math teacher vivid can provide a understanding thinking being embodied for students.

Utility model content

The technical problems to be solved in the utility model is on the basis of teaching aid is widely used, and is middle-school mathematics teaching A kind of miscellaneous function is provided, a kind of multi-functional portable type ruler of middle-school mathematics teaching is designed, so as to solve the above problems.

To achieve the above object, the utility model provides following technical solution：

The multi-functional portable type ruler of a kind of middle-school mathematics teaching of the utility model, including the first ruler main body, the second ruler Sub- main body, spring catch, sliding block, loose slot, the first sucker, the second sucker and third sucker, described first ruler main body one end are set Spring catch is equipped with, the spring catch is fixedly connected with the second ruler main body, and the second ruler main body is located at the first ruler main body Upper end, and be both provided with scale marker in the first ruler main body and the second ruler main body, the inside of the spring catch is consolidated Surely the first sucker is provided with, the second sucker is provided on the outside of the spring catch, the first ruler main body is far from the first sucker One end is provided with third sucker, and the first ruler main body surrounding is provided with sliding block, and the sliding block lower end is provided with limiting pulley, The first ruler main body lower end is provided with sliding slot, is provided with handle on the outside of the sliding block, is set in the second ruler main body There is loose slot, movable folder is provided on the loose slot.

As a kind of optimal technical scheme of the utility model, the lower end of second sucker is provided with protractor.

As a kind of optimal technical scheme of the utility model, the sliding block is hollow structure.

As a kind of optimal technical scheme of the utility model, the limiting pulley and sliding slot is are slidably connected.

As a kind of optimal technical scheme of the utility model, chalk clamp is provided on the activity folder.

As a kind of optimal technical scheme of the utility model, first sucker is in concordant position with third sucker lower end It puts, and the first sucker and third sucker lower end are connected with locating rod.

Compared with prior art, the beneficial effects of the utility model are：The multi-functional portable type of this kind of middle-school mathematics teaching Ruler, structure design is completely compact, by the setting of spring catch, realizes the moving in rotation function of the second ruler main body, by the The positioning function of whole device is realized in the setting of one sucker, the second sucker and locating rod, passes through the second sucker, activity folder and powder The function in blackboard upper drawing circle is realized in the setting of pen clip, by the setting of protractor, convenient for carrying out angle survey to drawn circular arc Amount by the setting of the first ruler main body and the second ruler main body, realizes scribing line function, by the setting of sliding block, realizes its shifting Dynamic function so that the first ruler main body and the second ruler main body can be overlapped so as to be convenient for carrying, in addition, can also be by sliding block Handle, realize lifting or the auxiliary positioning function of ruler, by the setting of scale marker, surveyed conducive to drawing lines Amount, the utility model is simple in structure and reasonable design, more hommization, is suitble to promote the use of.

Description of the drawings

Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality Novel embodiment for explaining the utility model, does not form the limitation to the utility model together.In the accompanying drawings：

Fig. 1 is the agent structure schematic diagram of the utility model；

Fig. 2 is the side structure schematic diagram of the utility model；

In figure：1st, the first ruler main body；2nd, the second ruler main body；3rd, spring catch；4th, sliding block；5th, scale marker；6th, it is movable Slot；7th, activity folder；8th, chalk clamp；9th, the first sucker；10th, the second sucker；11st, third sucker；12nd, protractor；13rd, handle；14、 Locating rod；15th, sliding slot；16th, pulley is limited.

Specific embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, it is clear that described embodiment only case is only the utility model part of the embodiment rather than whole Embodiment, based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise Lower all other embodiments obtained, shall fall within the protection scope of the present invention.

- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of multi-functional portable type of middle-school mathematics teaching Ruler, including the first ruler main body 1, the second ruler main body 2, spring catch 3, sliding block 4, loose slot 6, the first sucker 9, the second sucker 10 and third sucker 11,1 one end of the first ruler main body be provided with spring catch 3, spring catch 3 is fixedly connected with the second ruler main body 2, Second ruler main body 2 is located at the upper end of the first ruler main body 1, and is both provided in the first ruler main body 1 and the second ruler main body 2 Scale marker 5, the inside of spring catch 3 are fixedly installed the first sucker 9, and the outside of spring catch 3 is provided with the second sucker 10, and first Ruler main body 1 is provided with third sucker 11 far from 9 one end of the first sucker, and 1 surrounding of the first ruler main body is provided with sliding block 4, sliding block 4 Lower end is provided with limiting pulley 16, and 1 lower end of the first ruler main body is provided with sliding slot 15, and 4 outside of sliding block is provided with handle 13, and second Loose slot 6 is provided in ruler main body 2, activity folder 7 is provided on loose slot 6.

The lower end of second sucker 10 is provided with protractor 12, and sliding block 4 is hollow structure, limits pulley 16 and sliding slot 15 to slide Dynamic connection, activity press from both sides and chalk clamp 8 are provided on 7, and the first sucker 9 and 11 lower end of third sucker are in flush position, and first inhales Disk 9 and 11 lower end of third sucker are connected with locating rod 14.

Concrete principle：Using the multi-functional portable type ruler of this kind of middle-school mathematics teaching, teacher utilizes the realization pair of handle 13 The portable type of entire ruler carries, and first ruler main body 1 is fixed on blackboard by the first sucker 9 and third sucker 11, will Sliding block 4 is removed, and mobile second ruler main body 2 is crossed according to specific sequence, will in the function of needing to justify using picture Second sucker 10 is fixed on blackboard, and chalk is fixed in chalk clamp 8, and mobile activity folder 7 is mobile to corresponding radial location Second ruler main body 2 carries out picture circle or draws arc function.

The multi-functional portable type ruler of this kind of middle-school mathematics teaching, structure design is completely compact, passes through setting for spring catch 3 It puts, realizes the moving in rotation function of the second ruler main body 2, it is real by the setting of the first sucker 9, the second sucker 10 and locating rod The positioning function of existing whole device by the setting of the second sucker 10, activity folder 7 and chalk clamp 8, is realized in blackboard upper drawing circle Function by the setting of protractor 12, convenient for carrying out angle measurement to drawn circular arc, passes through the first ruler main body 1 and the second ruler The setting of sub- main body 2 realizes scribing line function, by the setting of sliding block 4, realizes its locomotive function so that 1 He of the first ruler main body Second ruler main body 2 can be overlapped so as to be convenient for carrying, in addition, by the handle on sliding block, can also realize ruler lifting or Person's auxiliary positioning function by the setting of scale marker, measures conducive to drawing lines, the utility model it is simple in structure and Reasonable design, more hommization are suitble to promote the use of.

Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it can still modify to the technical solution recorded in foregoing embodiments or to which part technical characteristic Equivalent replacement is carried out, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (6)

1. a kind of multi-functional portable type ruler of middle-school mathematics teaching, including the first ruler main body (1), the second ruler main body (2), Spring catch (3), sliding block (4), loose slot (6), the first sucker (9), the second sucker (10) and third sucker (11), feature exists In described first ruler main body (1) one end is provided with spring catch (3), and the spring catch (3) is fixedly connected with the second ruler main body (2), the second ruler main body (2) is positioned at the upper end of the first ruler main body (1), and the first ruler main body (1) and second Scale marker (5) is both provided in ruler main body (2), the first sucker (9), institute are fixedly installed on the inside of the spring catch (3) It states and the second sucker (10) is provided on the outside of spring catch (3), the first ruler main body (1) sets far from the first sucker (9) one end Third sucker (11) is equipped with, the first ruler main body (1) surrounding is provided with sliding block (4), and sliding block (4) the lower end setting is limited Position pulley (16), the first ruler main body (1) lower end are provided with sliding slot (15), handle are provided on the outside of the sliding block (4) (13), loose slot (6) is provided on the second ruler main body (2), activity folder (7) is provided on the loose slot (6).

2. the multi-functional portable type ruler of a kind of middle-school mathematics teaching according to claim 1, which is characterized in that described The lower end of two suckers (10) is provided with protractor (12).

A kind of 3. multi-functional portable type ruler of middle-school mathematics teaching according to claim 1, which is characterized in that the cunning Block (4) is hollow structure.

A kind of 4. multi-functional portable type ruler of middle-school mathematics teaching according to claim 1, which is characterized in that the limit Position pulley (16) and sliding slot (15) is are slidably connected.

A kind of 5. multi-functional portable type ruler of middle-school mathematics teaching according to claim 1, which is characterized in that the work Chalk clamp (8) is provided on dynamic folder (7).

6. the multi-functional portable type ruler of a kind of middle-school mathematics teaching according to claim 1, which is characterized in that described One sucker (9) and third sucker (11) lower end are in flush position, and the first sucker (9) and third sucker (11) lower end are connected with Locating rod (14).