CN207011872U

CN207011872U - A kind of portable teaching aid bogey

Info

Publication number: CN207011872U
Application number: CN201720540544.6U
Authority: CN
Inventors: 王工厂
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-05-16
Filing date: 2017-05-16
Publication date: 2018-02-16
Anticipated expiration: 2027-05-16

Abstract

The utility model discloses a kind of portable teaching aid bogey, including hollow Carrier box, triangular groove is opened at the hollow Carrier box upper surface center, multiple No.1 circular grooves are opened in lower surface in the triangular groove, No.1 elongation and seepage is embedded in each No.1 circular groove, the set square to match with triangular groove is fixedly connected with multiple No.1 elongation and seepage end faces, the hollow Carrier box upper surface and three No.1 strip grooves are opened on the outside of the triangular groove, in each No.1 strip groove strip tensile bar is embedded at the both ends of lower surface, each strip tensile bar side surface one end setting-in and the perpendicular fixation circular shaft of strip tensile bar.The beneficial effects of the utility model are that one kind carrying is more convenient, can carry different drawing instruments, simple to operate, save non-drawing time, are conveniently adjusted drawing length, simplify the device of operating procedure.

Description

A kind of portable teaching aid bogey

Technical field

Teaching equipment field is the utility model is related to, particularly a kind of portable teaching aid bogey.

Background technology

Teaching aid, when enabling the student intuitively, visually understand each appliances and teachers' instruction used in the content of courses The general name of the apparatus used.Teaching aid is referred to as.Teaching aid can improve the learning interest of student, enrich perceptual knowledge, and help is formed clearly Concept, the observation ability and thinking ability of Developing Students '.

, it is necessary to which the teaching aid used is that comparison is more for mathematics class or physics lesson, for example, ruler, triangle Plate or compasses, in tradition when each teach, teachers are required for carrying a variety of teaching aids, the inconvenience compared, And when selection is drawn using which teaching aid, due to the limited time in classroom, for traditional teaching aid, also need Selected, compare and lose time, be all stacked upon for the teaching aid in tradition, and be substantially plastic products, such as Fruit is wanted to take nethermost teaching aid, if imprudence drops on the ground, can cause the damage of teaching aid, the length of traditional teaching aid It is fixed, it is impossible to well adapt to the different length of drawing, therefore in order to solve these problems, design a kind of portable more The device of kind teaching aid together is necessary.

Utility model content

The purpose of this utility model is to solve the above problems, and devises a kind of portable teaching aid bogey.

Realize that above-mentioned purpose the technical solution of the utility model is, a kind of portable teaching aid bogey, including hollow hold Box is carried, opens triangular groove at the hollow Carrier box upper surface center, multiple No.1s are opened in lower surface in the triangular groove Circular groove, each it is embedded in No.1 elongation and seepage, multiple No.1 elongation and seepage end faces in the No.1 circular groove On be fixedly connected with the set square to match with triangular groove, the hollow Carrier box upper surface and on the outside of triangular groove Three No.1 strip grooves are opened, strip tensile bar, Mei Gesuo are embedded at the both ends of lower surface in each No.1 strip groove Strip tensile bar side surface one end setting-in and the perpendicular fixation circular shaft of strip tensile bar are stated, is covered on each fixed circular shaft Dress rotates annulus, and the rotor plate that suit matches with corresponding No.1 strip groove on annulus, Mei Gesuo are rotated described in every group State setting-in at the center of rotor plate upper surface and rotate T-shaped round bar, stretching ruler is set with each rotation T-shaped round bar, it is described Hollow Carrier box upper surface and the clamping rings on the outside of three No.1 strip grooves, the clamping rings upper surface opens two groups No. two bar shaped gap, horizontal round bar is each embedded in No. two bar shaped gap, suit is put on each horizontal round bar Dynamic stretch rod, each swing equal hinge connection binodal swing arm of stretch rod end face, each described binodal swing arm one end Spring tong on face, the hollow Carrier box upper surface and is opened and two group two between clamping rings and No.1 strip groove Number four groups of corresponding bar shaped sliding recess of bar shaped gap, the sliding shoe in each bar shaped sliding recess are sliding described in every group Motion block upper surface is fixedly connected with the No.1 elastic webbing to match with corresponding binodal swing arm.

The cross section of the hollow Carrier box is circular, hinge connection N shape handles at the hollow Carrier box lower surface center Hand.

The quantity of multiple No.1 circular grooves is 3-6, the hollow Carrier box upper surface and recessed positioned at triangle Elongation and seepage No.1 is embedded at groove medial center, the elongation and seepage No.1 upper surface is set with vacuum cup.

The triangular groove is equilateral triangle, and No. two bar shaped gap described in two groups are angularly on same circumference.

The hollow Carrier box lower surface edge and position is fixedly connected with No. two elastic webbings with respect to place.

The hollow Carrier box upper surface and on the outside of each No.1 strip groove setting-in with corresponding rotor plate The swing folding shape bar that surface mutually overlaps.

The portable teaching aid load bearing equipment made using the technical solution of the utility model, one kind carrying is more convenient, can Different drawing instruments are carried, it is simple to operate, non-drawing time is saved, is conveniently adjusted drawing length, simplifies the device of operating procedure.

Brief description of the drawings

Fig. 1 is a kind of structural representation of portable teaching aid bogey described in the utility model；

Fig. 2 is a kind of side cutaway view of portable teaching aid bogey described in the utility model；

Fig. 3 is strip tensile bar in a kind of portable teaching aid bogey described in the utility model, fixed circular shaft, slewing circle The partial enlarged drawing that axle and rotor plate are engaged；

Fig. 4 is hollow Carrier box, strip tensile bar, fixation in a kind of portable teaching aid bogey described in the utility model Circular shaft, rotor plate, rotate T-shaped round bar and stretch the partial enlarged drawing that ruler is engaged；

Fig. 5 is that binodal swing arm and spring clip palmistry coordinate in a kind of portable teaching aid bogey described in the utility model Partial enlarged drawing；

Fig. 6 is that sliding shoe and No.1 elastic webbing are engaged in a kind of portable teaching aid bogey described in the utility model Partial enlarged drawing；

In figure, 1, hollow Carrier box；2nd, No.1 elongation and seepage；3rd, set square；4th, strip tensile bar；5th, fixed circular shaft；6、 Rotate annulus；7th, rotor plate；8th, T-shaped round bar is rotated；9th, ruler is stretched；10th, clamping rings；11st, horizontal round bar；12nd, swing and draw Boom；13rd, binodal swing arm；14th, spring tong；15th, sliding shoe；16th, No.1 elastic webbing；17th, N shapes handle；18th, elongation and seepage No.1；19th, vacuum cup；20th, No. two elastic webbings；21st, folding shape bar is swung.

Embodiment

The utility model is specifically described below in conjunction with the accompanying drawings, as shown in figures 1 to 6, a kind of portable teaching aid carrying dress Put, including hollow Carrier box 1, open triangular groove at the hollow upper surface center of Carrier box 1, in the triangular groove under Multiple No.1 circular grooves are opened on surface, and No.1 elongation and seepage 2, multiple No.1s are embedded in each No.1 circular groove Be fixedly connected with the set square 3 to match with triangular groove on the end face of elongation and seepage 2, the hollow upper surface of Carrier box 1 and Three No.1 strip grooves are opened on the outside of triangular groove, are embedded at the both ends of lower surface in each No.1 strip groove Strip tensile bar 4, each side surface one end of strip tensile bar 4 setting-in and the perpendicular fixation circular shaft 5 of strip tensile bar 4, Suit rotates annulus 6 on each fixed circular shaft 5, rotates described in every group and is set with and corresponding No.1 bar shaped on annulus 6 The rotor plate 7 of groove match, each setting-in rotates T-shaped round bar 8, each rotation T at the upper surface center of rotor plate 7 Suit stretches ruler 9, the hollow upper surface of Carrier box 1 and consolidating on the outside of three No.1 strip grooves on shape round bar 8 Determine annulus 10, two groups of No. two bar shaped gap are opened in the upper surface of clamping rings 10, are embedded in each No. two bar shaped gap Horizontal round bar 11, each suit swings stretch rod 12, each swing end face of stretch rod 12 on the horizontal round bar 11 Equal hinge connection binodal swing arm 13, the spring tong 14 on each end face of binodal swing arm 13, the hollow carrying The upper surface of box 1 and the four group bars corresponding with two groups of No. two bar shaped gap are opened between clamping rings 10 and No.1 strip groove Shape sliding recess, the sliding shoe 15 in each bar shaped sliding recess, the upper surface of sliding shoe 15 is fixedly connected with described in every group The No.1 elastic webbing 16 to match with corresponding binodal swing arm 13;The cross section of the hollow Carrier box 1 is circular, the sky Hinge connection N shapes handle 17 at the lower surface center of heart Carrier box 1;The quantity of multiple No.1 circular grooves is 3-6, described The hollow upper surface of Carrier box 1 and the setting-in elongation and seepage No.1 18 at triangular groove medial center, the elongation and seepage one Number 18 upper surfaces suit vacuum cup 19;The triangular groove is equilateral triangle, and No. two bar shaped gap described in two groups are angularly On same circumference;The lower surface edge of hollow Carrier box 1 and position is fixedly connected with No. two elastic webbings 20 with respect to place;It is described The hollow upper surface of Carrier box 1 and setting-in mutually overlaps with the corresponding upper surface of rotor plate 7 on the outside of each No.1 strip groove Swing folding shape bar 21.

In the present embodiment, No. two elastic webbings 20 are fixedly connected on the hollow lower surface of Carrier box 1, in the process of carrying In, can by No. two elastic webbings 20 across on shoulder, can also the portable N shapes handle 17 positioned at the hollow lower surface of Carrier box 1, It can be carried, it is necessary to when using set square 3, hollow Carrier box 1 is placed vertically, it is each by manual tension No.1 elongation and seepage 2 in No.1 circular groove, rise behaviour is carried out with the set square 3 on multiple end faces of No.1 elongation and seepage 2 Make, drawn, if it is desired to draw the size of brachial triangle plate 3 and also want big triangle, by positioned at the every of the hollow upper surface of Carrier box 1 Individual swing folding shape bar 21 carries out swing and opened, and rotor plate 7 is passed through into the bar shaped drawing on one group of fixation circular shaft 5 and each fixed circular shaft 5 Boom 4 carries out extensional motion, is stretched to certain degree, rotor plate 7 is rotated by one group of rotation annulus 6 so that T-shaped Stretching ruler 9 on round bar 8 and each T-shaped round bar 8 is located at preceding surface, and the length of ruler 9 is stretched by adjusting, can adjust picture The length of figure, if it is desired to draw circle, each binodal swing arm 13 is taken out on corresponding No.1 elastic webbing 16, wherein one Number elastic webbing 16 enters line slip by one group of sliding shoe 15 in corresponding bar shaped sliding recess, and wherein binodal swing arm 13 can Justified by the corresponding horizontal round bar 11 for swinging stretch rod 12 and each swing end face of stretch rod 12 in corresponding fixing Swung in No. two strip grooves in ring 10, the elongation and seepage No.1 18 positioned at the hollow upper surface of Carrier box 1 is drawn Stretch so that the vacuum cup 19 on the end face of elongation and seepage No.1 18 is adsorbed on blackboard, by rotating this device, is located at Spring tong on each end face of binodal swing arm 13 can grip chalk and carry out circular drafting, can be stretched by adjusting The length of round bar No.1 18, the circular diameter of selection picture.

Above-mentioned technical proposal only embodies the optimal technical scheme of technical solutions of the utility model, the technology of the art Personnel embody principle of the present utility model to some variations that some of which part may be made, and belong to the utility model Protection domain within.

Claims

1. a kind of portable teaching aid bogey, including hollow Carrier box（1）, it is characterised in that the hollow Carrier box（1）On Triangular groove is opened at centre of surface, multiple No.1 circular grooves are opened in lower surface in the triangular groove, each No.1 No.1 elongation and seepage is embedded in circular groove（2）, multiple No.1 elongation and seepages（2）It is fixedly connected on end face and triangle The set square that connected in star matches（3）, the hollow Carrier box（1）Upper surface and three No.1s are opened on the outside of the triangular groove Strip groove, each it is embedded in strip tensile bar at the both ends of lower surface in the No.1 strip groove（4）, each bar shaped drawing Boom（4）Side surface one end is embedded in and strip tensile bar（4）Perpendicular fixation circular shaft（5）, each fixed circular shaft（5）On Suit rotates annulus（6）, annulus is rotated described in every group（6）On rotation that suit matches with corresponding No.1 strip groove Plate（7）, each rotor plate（7）Setting-in rotates T-shaped round bar at the center of upper surface（8）, each rotation T-shaped round bar（8） On suit stretching ruler（9）, the hollow Carrier box（1）Upper surface and the fixed circle on the outside of three No.1 strip grooves Ring（10）, the clamping rings（10）Two groups of No. two bar shaped gap are opened in upper surface, are embedded in each No. two bar shaped gap Horizontal round bar（11）, each horizontal round bar（11）On suit swing stretch rod（12）, each swing stretch rod （12）The equal hinge connection binodal swing arm of end face（13）, each binodal swing arm（13）Spring tong on end face （14）, the hollow Carrier box（1）Upper surface and it is located at clamping rings（10）Opened between No.1 strip groove and two groups No. two Four groups of corresponding bar shaped sliding recess of bar shaped gap, the sliding shoe in each bar shaped sliding recess（15）, described in every group Sliding shoe（15）Upper surface is fixedly connected with and corresponding binodal swing arm（13）The No.1 elastic webbing to match（16）.

A kind of 2. portable teaching aid bogey according to claim 1, it is characterised in that the hollow Carrier box（1） Cross section for circle, the hollow Carrier box（1）Hinge connection N shape handles at the center of lower surface（17）.

3. a kind of portable teaching aid bogey according to claim 1, it is characterised in that multiple No.1 circles are recessed The quantity of groove is 3-6, the hollow Carrier box（1）Upper surface and the setting-in elongation and seepage at triangular groove medial center No.1（18）, the elongation and seepage No.1（18）Upper surface is set with vacuum cup（19）.

4. a kind of portable teaching aid bogey according to claim 1, it is characterised in that the triangular groove is just Triangle, No. two bar shaped gap described in two groups are angularly on same circumference.

A kind of 5. portable teaching aid bogey according to claim 1, it is characterised in that the hollow Carrier box（1） Lower surface edge and position is fixedly connected with No. two elastic webbings with respect to place（20）.

A kind of 6. portable teaching aid bogey according to claim 1, it is characterised in that the hollow Carrier box（1） Upper surface and setting-in and corresponding rotor plate on the outside of each No.1 strip groove（7）The swing folding shape that upper surface mutually overlaps Bar（21）.