CN209492319U

CN209492319U - A kind of teaching demonstration tool of planar design

Info

Publication number: CN209492319U
Application number: CN201821689706.3U
Authority: CN
Inventors: 刘欣
Original assignee: LANZHOU VOC-TECH COLLEGE
Current assignee: LANZHOU VOC-TECH COLLEGE; Lanzhou Vocational Technical College
Priority date: 2018-10-10
Filing date: 2018-10-10
Publication date: 2019-10-15
Anticipated expiration: 2028-10-10

Abstract

The utility model discloses a kind of teaching demonstration tools of planar design, including educational compasses and 90 degree of protractors, the educational compasses include the first compasses bar and the second compasses bar, the junction of the educational compasses and 90 degree of protractors is provided with connection shaft, the first compasses bar and the second compasses bar are rotatably connected on 90 degree of protractors by connecting shaft, and one end of the educational compasses is provided with ruling pen；The compasses and 90 degree of protractors of integral type are provided on the teaching demonstration tool, it is convenient for carrying when use and convenient for operation, the working efficiency that picture is surveyed in demonstration can be improved, and it is provided with turncap on the ruling pen of compasses and pushes against block, a limit sliding chutes are offered on 90 degree of protractors of the teaching demonstration tool, the rod slide of compasses is fastened in limit sliding chutes, it is fixed by knob, if fixing using the angle for surveying picture when surveying picture with diameter of a circle, compasses bar and protractor can be screwed into fixation by knob.

Description

A kind of teaching demonstration tool of planar design

Technical field

The utility model belongs to planar design educational aid technical field, and in particular to a kind of teaching demonstration of planar design Tool.

Background technique

The teaching demonstration tool of existing planar design, usually the protractor of teaching demonstration and compasses are usual when in use Be used separately, need to carry multiple apparatus when in use, use it is more troublesome, and carry it is relatively difficult, when using justify When rule, if the angle diameter that compasses survey picture is fixed, if accidentally touching compasses connecting rod in road when use, compasses connecting rod is possible to produce Raw offset causes the angle for surveying picture to generate change, also needs to fix the fixing head on compasses when in use, avoids surveying picture mistake The problem of surveying the accuracy of picture is influenced in journey, thus it is proposed that a kind of teaching demonstration tool of planar design.

Utility model content

The purpose of this utility model is to provide a kind of teaching demonstration tools of planar design, to solve above-mentioned background technique The teaching demonstration tool of the existing planar design of middle proposition, usually the protractor of teaching demonstration and compasses are usual when in use Be used separately, need to carry multiple apparatus when in use, use it is more troublesome, and carry it is relatively difficult, when using justify When rule, if the angle diameter that compasses survey picture is fixed, if accidentally touching compasses connecting rod in road when use, compasses connecting rod is possible to produce Raw offset causes the angle for surveying picture to generate change, also needs to fix the fixing head on compasses when in use, avoids surveying picture mistake The problem of surveying the accuracy of picture is influenced in journey.

To achieve the above object, the utility model provides the following technical solutions: a kind of teaching demonstration tool of planar design, Including educational compasses and 90 degree of protractors, the educational compasses include the first compasses bar and the second compasses bar, the teaching circle The junction of rule and 90 degree of protractors is provided with connection shaft, the first compasses bar and the second compasses bar and passes through connection shaft It is rotatably connected on 90 degree of protractors, one end of the educational compasses is provided with ruling pen, and the inside of the ruling pen is fixed It is provided with fixing head, the outer surface of the ruling pen offers screw thread, turncap is combined on the ruling pen, the ruling pen It is internally provided with the abutting block of integral type.

Preferably, limit sliding chutes are offered on 90 degree of protractors, on the first compasses bar and the second compasses bar It is provided with screwing bolts, the first compasses bar and the second compasses bar and 90 degree of protractor tables is fastened on by screwing bolts fixation In the limit sliding chutes that face opens up.

Preferably, scale line is provided at the rear surface both sides of the edge of 90 degree of protractors.

Preferably, one end of the first compasses bar and the second compasses bar is provided with ruling pen, and the fixing head is solid Dingan County is in the first compasses bar.

Preferably, the turncap, which screws, is fixed on the screw thread that the surface of ruling pen opens up.

Compared with prior art, the utility model has the beneficial effects that

(1) it is provided with the compasses and 90 degree of protractors of integral type on the teaching demonstration tool, conveniently takes when in use With and convenient for operation, demonstration can be improved and survey the working efficiency of picture, and is provided with turncap on the ruling pen of compasses and pushes against block, It is easy to disassemble after the completion of survey picture convenient for fixing when fixed survey picture, improve the practicability of the device；

(2) limit sliding chutes, two connecting rods of compasses are offered on 90 degree of protractors of the teaching demonstration tool On be slidably fastened in limit sliding chutes, and fixed by knob, if the angle for surveying picture when using picture is surveyed is fixed with diameter of a circle, Then compasses bar and protractor can be screwed into fixation by knob, connecting rod activity is avoided to cause to survey picture generation error.

Detailed description of the invention

Fig. 1 is the positive structure diagram of the utility model；

Fig. 2 is the backsight structural representation of the utility model；

Fig. 3 is the structural schematic diagram of the utility model ruling pen；

In figure: 1, fixing head；2, ruling pen；3, the first compasses bar；4, the second compasses bar；5, screwing bolts；6, limit is slided Slot；7,90 degree of protractors；8, shaft is connected；9, block is pushed against；10, turncap；11, screw thread.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Embodiment

Fig. 1, Fig. 2 and Fig. 3 are please referred to, the utility model provides a kind of technical solution: a kind of teaching demonstration of planar design Tool, including educational compasses and 90 degree of protractors 7, educational compasses include the first compasses bar 3 and the second compasses bar 4, teaching circle Rule are provided with the junction of 90 degree of protractors 7 connect shaft 8, and the first compasses bar 3 and the second compasses bar 4 pass through connection shaft 8 are rotatably connected on 90 degree of protractors 7, and one end of educational compasses is provided with ruling pen 2, the inside fixed setting of ruling pen 2 There is fixing head 1, the outer surface of ruling pen 2 offers screw thread 11, and turncap 10, the inside setting of ruling pen 2 are combined on ruling pen 2 There is the abutting block 9 of integral type.

In order to preferably fix educational compasses, error is avoided the occurrence of when using picture is surveyed, in the present embodiment, it is preferred that nine Limit sliding chutes 6 are offered on ten degree of protractors 7, and screwing bolts 5, the first circle are provided on the first compasses bar 3 and the second compasses bar 4 Gauge bar 3 and the second compasses bar 4 are fastened in the limit sliding chutes 6 that 90 degree of 7 surfaces of protractor open up by the fixation of screwing bolts 5.

In order to preferably use the tool, in the present embodiment, it is preferred that the rear surface both sides of the edge of 90 degree of protractors 7 Place is provided with scale line.

In order to preferably fix pen and fixing head 1, in the present embodiment, it is preferred that the first compasses bar 3 and the second compasses bar 4 One end be provided with ruling pen 2, and fixing head 1 is fixedly mounted in the first compasses bar 3.

In order to preferably screw ruling pen 2, in the present embodiment, it is preferred that turncap 10 screws the surface for being fixed on ruling pen 2 On the screw thread 11 opened up.

The working principle and process for using of the utility model: the device is when picture is surveyed in the demonstration that planar design is imparted knowledge to students, by this Device takes out, and the pen for needing to use in teaching process is fixed in ruling pen 2, takes out the pen of drawing, and screwing turncap 10 will Turncap 10 is moved to one end of ruling pen 2, and penholder is entered in ruling pen 2 and is contradicted together with abutting block 9, while screwing turncap 10, turncap 10 is screwed to the other end of ruling pen 2, so that pen is firmly fixed in ruling pen 2, by design drawing or mould The angle needed in type is measured with diameter, and the first compasses bar 3 and the second compasses bar 4 are fixed on 90 measurement angles after measurement On device 7, screwing bolts 5 are screwed when fixed, the angle or diameter for avoiding measurement from painting generate deviation, set tool letter when use It is single convenient, improve convenience when teaching demonstration.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of teaching demonstration tool of planar design, including educational compasses and 90 degree of protractors (7), it is characterised in that: institute Stating educational compasses includes the first compasses bar (3) and the second compasses bar (4), the company of the educational compasses and 90 degree of protractors (7) The place of connecing is provided with connection shaft (8), the first compasses bar (3) and the second compasses bar (4) and passes through connection shaft (8) rotation connection On 90 degree of protractors (7), one end of the educational compasses is provided with ruling pen (2), and the inside of the ruling pen (2) is fixed It is provided with fixing head (1), the outer surface of the ruling pen (2) offers screw thread (11), is combined with turncap on the ruling pen (2) (10), the abutting block (9) for being internally provided with integral type of the ruling pen (2).

2. a kind of teaching demonstration tool of planar design according to claim 1, it is characterised in that: 90 measurement angle It is offered on device (7) limit sliding chutes (6), is provided with screwing bolts (5) on the first compasses bar (3) and the second compasses bar (4), The first compasses bar (3) and the second compasses bar (4) pass through screwing bolts (5) fixation and are fastened on 90 degree of protractor (7) surfaces In the limit sliding chutes (6) opened up.

3. a kind of teaching demonstration tool of planar design according to claim 1, it is characterised in that: 90 measurement angle Scale line is provided at the rear surface both sides of the edge of device (7).

4. a kind of teaching demonstration tool of planar design according to claim 1, it is characterised in that: the first compasses bar (3) it is provided with ruling pen (2) with one end of the second compasses bar (4), and the fixing head (1) is fixedly mounted on the first compasses bar (3) in.

5. a kind of teaching demonstration tool of planar design according to claim 1, it is characterised in that: turncap (10) rotation On the screw thread (11) that the surface that conjunction is fixed on ruling pen (2) opens up.