CN208530076U

CN208530076U - A kind of high school mathematics geometry teaching plate

Info

Publication number: CN208530076U
Application number: CN201820808528.5U
Authority: CN
Inventors: 侯开岩
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-05-24
Filing date: 2018-05-24
Publication date: 2019-02-22
Anticipated expiration: 2028-05-24

Abstract

The utility model relates to high school mathematics teaching equipment technical fields, and in particular to a kind of high school mathematics geometry teaching plate.Including bracket, the plate body on bracket is set；Bound edge is respectively arranged with inside the upper end of bracket, bracket and bound edge are internally connected with rotational structure, and contact surface rear end of the bound edge with plate body, which is provided with, screws lifting structure；Cross bar is additionally provided on bracket, the bottom end of bracket is provided with chassis；Plate body includes front plate body and reverse side plate body；Compasses accommodating groove, ruler accommodating groove and the sliding rail that front plate body surrounding is set are provided on the plate body of front；Sliding slot is provided in sliding rail；Reverse side plate body is equipped with coordinate line, demonstration line；Demonstration line is slidably connected by magnetic piece and reverse side plate body, and function value measurement mechanism is additionally provided on reverse side plate body.A kind of high school mathematics geometry teaching plate provided by the utility model can satisfy various demands in teaching, easy to use, improve quality of instruction to a certain extent.

Description

A kind of high school mathematics geometry teaching plate

Technical field

The utility model relates to high school mathematics teaching equipment technical fields, and in particular to a kind of high school mathematics plane geometry religion Learn plate.

Background technique

In development of human history and social life, mathematics plays irreplaceable role, is study and the modern section of research The essential basic tool of technology, Mathematics Discipline are also one of contemporary high school student's mandatory subject, and high school mathematics are taught on the market Equipment is all kinds of, and by being mainly used for for geometry teaching plate, introduction student is apparent, intuitive study plane is several What knowledge, but there is also some more or less shortcomings for the geometry teaching plate of commercial type at present.Such as function More single, practicability is not high, is not provided with ruler, sliding rail and sliding slot, can not carry out parallel lines according to actual use demand It draws, it is inconvenient to use, compasses are not provided with, drafting circular pattern is more difficult, can not draw to accurate pattern, is applicable in Property it is more low, cause use demand not high, in order to solve on the market existing disadvantage and insufficient, be badly in need of improving plane at present several The technology of what board of education is allowed to more easily carry out geometry teaching for teacher, and it is real to improve pattern drafting efficiency saving teaching It tramples.

Utility model content

The technical problem to be solved by the present invention is to provide a kind of designs rationally, structure is simple, student can be helped to manage Solve the content of courses, a kind of high school mathematics geometry teaching plate improved the quality of teaching.

The technical solution adopted in the utility model are as follows: a kind of high school mathematics geometry teaching plate, including bracket, setting exist Plate body on bracket；Both sides are respectively arranged with bound edge inside the upper end of the bracket, and the bracket and bound edge are internally connected with rotation Rotation structure, the rotational structure side are connected with rotary nut, and contact surface rear end of the bound edge with plate body, which is provided with, screws liter Structure drops；Cross bar is additionally provided on the bracket, the cross bar is equipped with hook；The bottom end of the bracket is provided with chassis, institute It states and is provided with adjusting torsion bar on chassis, the adjusting torsion bar connection adjusts ball；The plate body includes front plate body and reverse side plate body； Compasses accommodating groove, ruler accommodating groove and the sliding rail that front plate body surrounding is set are provided on the front plate body；The sliding rail In be provided with sliding slot；Ruler is provided in the ruler accommodating groove, the ruler includes the second ruler body, is arranged in the second ruler body The first ruler body；Tightening knob is fixed on the first ruler body bottom end, the surface inserting of the second ruler body is eated dishes without rice or wine, described Tightening knob passes through and eats dishes without rice or wine to be connected with the first ruler body, is provided with abaculus on the first ruler body and the second ruler body；It is described anti- Panel body is magnetic sheet, which is provided with coordinate line, demonstration line；The demonstration line is slidably connected by magnetic piece and reverse side plate body, The magnetic piece drives demonstration line to slide on reverse side plate body, and the magnetic piece attracts each other with reverse side plate body；The back panel Function value measurement mechanism is additionally provided on body.

Compasses are provided in the compasses accommodating groove, the compasses include strut, and the locating piece on strut is arranged in, and are arranged Bearing in strut bottom；The pen cap is provided on the locating piece.

Cross section inside the sliding rail is equal with the cross-sectional area of abaculus.

The length of the compasses is the half of plate body height, and the sum of the length of the first ruler body and the second ruler body on ruler It is equal with the width of plate body.

The ruler is retractable structure, and the right side of the first ruler body and the second ruler body is in the same plane.

Steel material is used inside the front plate body, the material of bearing bottom is magnet.

The function value measurement mechanism includes the protractor being fixedly connected with magnetic sheet, the bottom edge of the protractor and arc side On be respectively equipped with graduation mark, the middle part of the protractor is equipped with graduation mark, and the center location of the protractor is rotatably connected to magnetic Property strut, the middle part of the magnetism strut is equipped with second sliding slot, slidably connects fastening bolt, the fastening spiral shell in the sliding slot Bolt is equipped with magnetic pointer, perpendicular, and the lower end of the perpendicular is fixedly connected with plummet, and the magnetism pointer can be along fastening spiral shell Bolt rotation.

The lower part of the reverse side plate body is equipped with electronic watch.

The utility model has the beneficial effects that

Plate body in the utility model can adjust height at any time and 360 degree are rotated, and pass through front and back sides Setting, can give full play to the use of board of education, vdiverse in function thereon, can satisfy the needs of teaching of senior high school, and such as there are also other Drafting instrument is carried, it can be on the cross bar by hanging over bracket.This structure is simple, draws more accurate, improves study Interest, while improving quality of instruction.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model.

Fig. 2 is the schematic enlarged-scale view of bracket and plate body junction in the utility model.

Fig. 3 is the structural schematic diagram of compasses in the utility model.

Fig. 4 is the structural schematic diagram of ruler in the utility model.

Fig. 5 is the structural schematic diagram in the utility model on reverse side plate body.

(1, bracket, 2, plate body, 3, bound edge, 4, screw lifting structure, 5, cross bar, 6, hook, 7, chassis, 8, adjust torsion bar, 9, adjusting ball, 10, front plate body, 11, reverse side plate body, 12, compasses accommodating groove, 13, ruler accommodating groove, 14, sliding rail, 15, sliding slot, 16, the second ruler body, the 17, first ruler body, 18, tightening knob, 19, eat dishes without rice or wine, 20, abaculus, 21, coordinate line, 22, demonstration line, 23, magnetic Property piece, 24, strut, 25, locating piece, 26, bearing, 27, the pen cap, 28, protractor, 29, magnetic strut, 30, second sliding slot, 31, Fastening bolt, 32, magnetic pointer, 33, perpendicular, 34, plummet, 35, electronic watch)

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawing.

The plate body 2 on bracket 1 is arranged in a kind of high school mathematics geometry teaching plate, including bracket 1；The bracket 1 Both sides are respectively arranged with bound edge 3 inside upper end, and the bracket 1 is internally connected with rotational structure, the rotational structure side with bound edge 3 Face be connected with rotary nut (this rotational structure can in the prior art by rotating nuts rotate then rotate to certain angle, The structure of this angle, 360 deg rotating displaying in the utility model are fixed by rotating nuts again), the bound edge 3 connects with plate body 2 Contacting surface rear end, which is provided with, to screw lifting structure 4 (then the described here lifting structure that screws can be in the prior art by screw Adjust the structure that internal post rises)；Cross bar 5 is additionally provided on the bracket 1, the cross bar 5 is equipped with hook 6；Pass through this Being arranged can temporarily hang over extra picture work lower section.The bottom end of the bracket 1 is provided with chassis 7, sets on the chassis 7 It is equipped with and adjusts torsion bar 8, the connection of adjusting torsion bar 8 adjusts ball 9；By adjust torsion bar 8 can control adjust ball in chassis 7 on Lower movement, when needing movable teaching board, adjustable torsion bar 8, which allows, adjusts the contact of ball 9 ground, at this point it is possible to movement is pushed, when When being moved into formulation position, it is rotated further by and adjusts torsion bar 8, the adjusting ball 9 made is detached from ground, board of education is supported by chassis 7, To fix its position.The plate body 2 includes front plate body 10 and reverse side plate body 11；Compasses are provided on the front plate body 10 Accommodating groove 12, ruler accommodating groove 13 and the sliding rail 14 that plate body 10 surrounding in front is set；Sliding slot 15 is provided in the sliding rail 14； Be provided with ruler in the ruler accommodating groove 13, the ruler includes the second ruler body 16, be arranged in the second ruler body 16 first Ruler body 17；It is fixed with tightening knob 18 on first ruler body, 17 bottom end, the surface inserting of the second ruler body 16 eats dishes without rice or wine 19, The tightening knob 18, which passes through, to be eated dishes without rice or wine 19 to be connected with the first ruler body 17, is respectively provided on the first ruler body 17 and the second ruler body 16 There is abaculus 20；The ruler is retractable structure, and the right side of the first ruler body and the second ruler body is in the same plane.Ruler energy It is enough to carry out left and right on front plate body 10, move in parallel up and down, the drafting of parallel lines, sliding slot can be carried out according to actual use demand Cross-sectional area inside 15 is equal with the cross-sectional area of abaculus 20, and abaculus 20 is fitted into sliding slot 15 the case where being not in shaking. When using the high school mathematics geometry teaching plate, ruler can be taken out from ruler accommodating groove 13, unclamp tightening knob 18, First ruler body 17 carries out flexible adjustment according to actually required length, and tightening knob 18 is after eating dishes without rice or wine to be moved to suitable position on 19 It tightens, then carries out the drawing of straight line by pen on front plate body 10, the abaculus 20 on ruler can also be installed to just On the laterally or vertically sliding slot 15 of panel body 10, the drafting of parallel lines is carried out by pen.It is arranged in the compasses accommodating groove 12 There are compasses, the compasses include strut 24, and the locating piece 25 on strut 24 is arranged in, and the bearing 26 of 24 bottom of strut is arranged in； The pen cap 27 is provided on the locating piece 25.Steel material is used inside front plate body 10, the material of 26 bottom of bearing is magnet, Bearing 26 can be stable be adsorbed on front plate body 10 by strut 24 carry out circular motion, use is more convenient, works as needs When drawing round with compasses, compasses can be taken out from compasses accommodating groove 12, the bearing 26 of magnet material is adsorbed on inside and is contained Center location is determined on the front plate body 10 for having iron material matter, the nib of pen is then passed through into locating piece 25 on the pen cap 27 It is adjusted to suitable position on strut 24, has helped rotation strut 24 after pen that can draw circle, use is very convenient, passes through compasses Can be good at that teacher is helped to impart knowledge to students for plane geometry with ruler.

Reverse side plate body described in the utility model 11 is magnetic sheet, which is provided with coordinate line 21, demonstration line 22；The demonstration Line 22 is slidably connected by magnetic piece 23 with reverse side plate body 11, and the magnetic piece 23 drives demonstration line 22 sliding on reverse side plate body 11 Dynamic, the magnetic piece 23 attracts each other with reverse side plate body 11；Function value measurement mechanism is additionally provided on the reverse side plate body 11.

Function value measurement mechanism described in the utility model includes the protractor 28 being fixedly connected with reverse side plate body 11, described Graduation mark is respectively equipped on the bottom edge of protractor 28 and arc side, the middle part of the protractor 28 is equipped with graduation mark, the protractor 28 center location rotation connection is magnetic strut 29, and the middle part of the magnetism strut 29 is equipped with second sliding slot 30, and described second Fastening bolt 31 is slidably connected in sliding slot 30, the fastening bolt 31 is equipped with magnetic pointer 32, perpendicular 33, the plummet The lower end of line 33 is fixedly connected with plummet 34, and the magnetism pointer 32 can be rotated along fastening bolt 31.

The lower part of the reverse side plate body 11 is equipped with electronic watch 27.

When carrying out classroom instruction, magnetic strut 29 rotation certain position is read the angle a of rotation by protractor 28, moved Dynamic fastening bolt 31 so that fastening bolt 31 is slided in second sliding slot 30, perpendicular 33 under the gravity of plummet 34 with The base vertical of protractor 28, read angle a faces boundary values A, and magnetic pointer 32 goes on the position parallel with bottom edge, thus may be used To read the value B of angle a opposite side, the value of trigonometric function can be obtained by calculating；The trigonometric function that above-mentioned angle a is calculated Value is positioned in coordinate line 21 by the magnetic piece 23 on demonstration line 22；Continuous different angles are carried out by function value measurement mechanism The measurement of the trigonometric function value of degree, the continuous song of trigonometric function can be obtained by carrying out positioning using the magnetic piece 23 on demonstration line 22 Line.

A kind of high school mathematics geometry teaching plate provided by the utility model can satisfy various need in teaching It asks, it is easy to use, quality of instruction is improved to a certain extent.

Although the utility model has been described by way of example and in terms of the preferred embodiments, it is not intended to limit the utility model, any Person skilled in the art can do various change and modification, therefore this without departing from the spirit and scope of the utility model The protection scope of utility model should subject to the definition of the claims.

Claims

1. a kind of high school mathematics geometry teaching plate, it is characterised in that: including bracket (1), the plate body being arranged on bracket (1) (2)；Both sides are respectively arranged with bound edge (3) inside the upper end of the bracket (1), and the bracket (1) is internally connected with bound edge (3) Rotational structure, the rotational structure side are connected with rotary nut, and the bound edge (3) is arranged with the contact surface rear end of plate body (2) Screw lifting structure (4)；It is additionally provided with cross bar (5) on the bracket (1), the cross bar (5) is equipped with hook (6)；It is described The bottom end of bracket (1) is provided with chassis (7), is provided on the chassis (7) and is adjusted torsion bar (8), adjusting torsion bar (8) connection It adjusts ball (9)；The plate body (2) includes front plate body (10) and reverse side plate body (11)；It is provided on the front plate body (10) The sliding rail (14) of compasses accommodating groove (12), ruler accommodating groove (13) and setting in front plate body (10) surrounding；The sliding rail (14) In be provided with sliding slot (15)；Ruler is provided in the ruler accommodating groove (13), the ruler includes the second ruler body (16), setting The first ruler body (17) in the second ruler body (16)；It is fixed with tightening knob (18) on first ruler body (17) bottom end, it is described The surface inserting of second ruler body (16) eats dishes without rice or wine (19), and the tightening knob (18) passes through eat dishes without rice or wine (19) and first ruler body (17) phase It connects, is provided with abaculus (20) on the first ruler body (17) and the second ruler body (16)；The reverse side plate body (11) is magnetism Plate which is provided with coordinate line (21), demonstration line (22)；The demonstration line (22) is sliding by magnetic piece (23) and reverse side plate body (11) Dynamic connection, the magnetic piece (23) drive demonstration line (22) to slide on reverse side plate body (11), the magnetic piece (23) and reverse side Plate body (11) attracts each other；Function value measurement mechanism is additionally provided on the reverse side plate body (11).

2. a kind of high school mathematics geometry teaching plate according to claim 1, it is characterised in that: the compasses accommodating groove (12) compasses are provided in, the compasses include strut (24), and the locating piece (25) being arranged on strut (24) is arranged in strut (24) bearing (26) of bottom；The pen cap (27) are provided on the locating piece (25).

3. a kind of high school mathematics geometry teaching plate according to claim 1, it is characterised in that: in the sliding rail (14) The cross section in portion is equal with the cross-sectional area of abaculus (20).

4. a kind of high school mathematics geometry teaching plate according to claim 2, it is characterised in that: the length of the compasses It is the half of plate body (2) height, and the sum of length of the first ruler body (17) and the second ruler body (16) on ruler and plate body (2) Width is equal.

5. a kind of high school mathematics geometry teaching plate according to claim 1, it is characterised in that: the ruler is flexible Structure, and the right side of the first ruler body (17) and the second ruler body (16) is in the same plane.

6. a kind of high school mathematics geometry teaching plate according to claim 1, it is characterised in that: the front plate body (10) internal to use steel material, the material of bearing (26) bottom is magnet.

7. a kind of high school mathematics geometry teaching plate according to claim 1, it is characterised in that: the functional value measurement Device includes the protractor (28) being fixedly connected with reverse side plate body (11), is set respectively in the bottom edge of the protractor (28) and arc side There is graduation mark, the middle part of the protractor (28) is equipped with graduation mark, and the center location of the protractor (28) is rotatably connected to magnetic Property strut (29), the middle part of the magnetism strut (29) is equipped with second sliding slot (30), is slidably connected in the second sliding slot (30) Have fastening bolt (31), the fastening bolt (31) is equipped with magnetic pointer (32), perpendicular (33), the perpendicular (33) Lower end is fixedly connected with plummet (34), and the magnetism pointer (32) rotates along fastening bolt (31).

8. a kind of high school mathematics geometry teaching plate according to claim 1, it is characterised in that: the reverse side plate body (11) lower part is equipped with electronic watch (35).