CN208714760U

CN208714760U - A teaching board for higher mathematics teaching

Info

Publication number: CN208714760U
Application number: CN201721863130.3U
Authority: CN
Inventors: 谢宏斌; 王彩琴
Original assignee: Gansu Institute of Mechanical and Electrical Engineering
Current assignee: Gansu Institute of Mechanical and Electrical Engineering
Priority date: 2017-12-27
Filing date: 2017-12-27
Publication date: 2019-04-09
Anticipated expiration: 2027-12-27

Abstract

The utility model discloses a teaching board for higher mathematics teaching, comprising a writing panel, the lower end of the writing panel is fixedly connected with a first upright column, a rack is arranged on one side of the first upright post, and the first upright post is connected with The sleeve is slidably connected, the upper part of the sleeve is located on one side of the rack and a fixed plate is installed, the upper part of the fixed plate is provided with a fastening pin, the fixed plate is rotatably connected with the limit plate, and the Gears and handwheels are respectively fixed on the left and right sides, the sleeve is fixedly connected with the second column, the end of the second column away from the sleeve is fixed with a turntable, the turntable and the base are rotatably connected by a limit ring, the A guide rail is installed on the fixing block, the guide rail and the pressing block are slidably connected by a sliding block, a spring is fixed between the pressing block and the fixing block, and the pressing block and the pedal are connected by a wire rope. The utility model has a reasonable structure design, can be adjusted in height and can be rotated at any angle, and has good teaching effect and is worthy of promotion.

Description

A kind of Higher Mathematics Teaching board of education

Technical field

The utility model belongs to teaching aid technical field, and in particular to a kind of Higher Mathematics Teaching board of education.

Background technique

Board of education is engaged in utensil used in education sector writing demonstration, and usual board of education is located in classroom or meeting The plate face in room is discussed, with chalk or free ink pen written contents, plays the role of explanation demonstration.Most high numbers currently on the market It is fixed to learn teaching board of education, it is not possible to rotate and height is unadjustable, board of education not can be rotated so that being located at class two The classmate of side can't see the content of courses often influences teaching, and the board of education of unadjustable height writes the teacher of different heights It is more inconvenient, and can not be provided at any time for student and preferably see the topic visual field.Because of a kind of Higher Mathematics Teaching teaching of the invention Plate goes to solve the above problems necessary.

Utility model content

The purpose of this utility model is to provide a kind of Higher Mathematics Teaching boards of education, to solve in above-mentioned background technique The problem of proposition.

To achieve the above object, the utility model provides the following technical solutions: a kind of Higher Mathematics Teaching board of education, packet Writing panel is included, the side of the writing panel is provided with storage box, the lower end of the writing panel and the fixed company of the first column It connects, the side of first column is provided with rack gear, and first column is slidably connected with sleeve, and the top of the sleeve is located at The side of rack gear is equipped with the fixed disk for being provided with through-hole, and holding pin, the fixed disk and limit are provided with above the fixed disk Position disk is rotatablely connected, and is respectively fixed with gear and handwheel at left and right sides of the position-arresting disk, the sleeve is fixed with the second column Connection, second column are fixed with turntable, the turntable and pedestal far from one end of sleeve and are rotatablely connected by stop collar, institute It states and is provided with annular groove on pedestal, ball is filled in the annular groove, fixed block is installed on the pedestal, it is described solid Determine the guide rail that arch is equipped on the left of block, the guide rail and compact heap are slidably connected by sliding block, the compact heap and fixation Spring is fixed between block, the compact heap is connect with pedal by wirerope, is pasted on the pedestal positioned at the lower section of pedal There is cushion.

Further, the writing panel is the curved slab with radian, and the wheel and rack is meshed.

Further, groove identical with annular groove is offered on the turntable, the top and the bottom difference of the ball is embedding Enter in two identical annular grooves.

Further, the binding face of the compact heap is fixed with rubber pad, and the spring is between sliding rail, the steel wire Rope is connect across the through-hole that spring and fixed block open up with pedal.

Further, the pedal and pedestal are rotatablely connected by hinge.

Further, the side of the turntable opens up fluted, in the stop collar insertion groove.

The technical effect and advantage of the utility model: the Higher Mathematics Teaching board of education, by being set on the first column Rack gear is set, rack and pinion engagement drives position-arresting disk to make to move down on the first column with moving gear rotation by rotation handwheel It is dynamic, and cooperate the fixed position of holding pin, achieve the effect that adjust height；It is recessed in annular by the way that turntable is arranged under the second column Ball is filled in slot, then drives wirerope that compact heap is pulled to can be rotated writing panel by stepping on pedal, and Panasonic's pedal passes through Recoil of spring can fix writing panel position, achieve the effect that quick rotation writing panel and fixed position.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the top view of the utility model writing panel；

Fig. 3 is the bottom surface structure schematic diagram of the utility model turntable；

Fig. 4 is the utility model B-B structure enlargement diagram；

Fig. 5 is the utility model A-A structure enlargement diagram；

Fig. 6 is the structural schematic diagram of the utility model annular groove.

In figure: 1 writing panel, 2 storage boxes, 3 first columns, 4 handwheels, 5 position-arresting disks, 6 fixed disks, 7 gears, 8 rack gears, 9 Sleeve, 10 second columns, 11 turntables, 12 stop collars, 13 pedestals, 14 holding pins, 15 annular grooves, 16 fixed blocks, 17 pedals, 18 Cushion, 19 springs, 20 wirerope, 21 guide rails, 22 compact heaps, 23 balls.

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.

The utility model provides a kind of Higher Mathematics Teaching board of education as shown in figs 1 to 6, including writing panel 1, the side of the writing panel 1 is provided with storage box 2, and the writing panel 1, which is that curved surface reduction is reflective, makes student see more Clearly, setting storage box 2 places the small-sized realia such as blackboard eraser and chalk, and the lower end of the writing panel 1 is vertical with first Column 3 is fixedly connected, and the side of first column 3 is provided with rack gear 8, and first column 3 is slidably connected with sleeve 9, if Sleeve 9 is set to the first column of folding and unfolding 3, the side that the top of the sleeve 9 is located at rack gear 8 is equipped with the fixed disk for being provided with through-hole 6, the top of the fixed disk 6 is provided with holding pin 14, and the fixed postrotational position of position-arresting disk 5 of setting holding pin 14 is fixed in turn The flexible position of first column 3, the fixed disk 6 are rotatablely connected with position-arresting disk 5, and the left and right sides of the position-arresting disk 5 is solid respectively Surely there are gear 7 and handwheel 4, driving position-arresting disk 5 by rotation handwheel 4, band moving gear 7 rotates again, passes through gear 7 and rack gear 8 Engagement moves up and down the first column 3, and the sleeve 9 is fixedly connected with the second column 10, and second column 10 is far from sleeve 9 One end be fixed with turntable 11, the turntable 11 is rotatablely connected with pedestal 13 by stop collar 12, is provided on the pedestal 13 Annular groove 15, the annular groove 15 is interior to be filled with ball 23, so that rotation is more light, is equipped on the pedestal 13 Fixed block 16, the left side of the fixed block 16 are equipped with the guide rail 21 of arch, and the guide rail 21 is sliding by sliding block with compact heap 22 Dynamic connection, enables compact heap 22 to horizontally slip on guide rail 21, is fixed with spring between the compact heap 22 and fixed block 16 19, setting spring 19 makes the compact heap 22 when being not required to rotation press the position that turntable 11 fixes turntable 11.The compact heap 22 It is connect with pedal 17 by wirerope 20, pulls compact heap 22 by stepping on 17 wirerope 20 of pedal, compact heap 22 leaves turntable 11, turntable 11 is rotated, the lower section on the pedestal 13 positioned at pedal 17 is pasted with cushion 18, avoids stepping on pedal 17 with the hard contact protection pedal 17 of pedestal 13.

The writing panel 1 is the curved slab with radian, and reduction is reflective to make student be more clearly seen writing panel 1 On writing on the blackboard content, the gear 7 is meshed with rack gear 8.

Groove identical with annular groove 15 is offered on the turntable 11, the top and the bottom of the ball 23 are respectively embedded into In two identical annular grooves 15.Facilitate rotation turntable 11 by the way that ball 23 is arranged

The binding face of the compact heap 22 is fixed with rubber pad, and protection turntable 11 increases the effect of fastening, the wirerope 20 between guide rail 21, can be effectively prevented from the irregular contraction of wirerope 20, the wirerope 20 is across spring 19 and admittedly Determine the through-hole that block 16 opens up to connect with pedal 17.

The pedal 17 is rotatablely connected with pedestal 13 by hinge.Pedal 17 is set to rotate on pedestal 13.

The side of the turntable 11 opens up fluted, and the stop collar 12 is embedded in groove.The position of fixed turntable 11 and It does not influence to rotate.

Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it 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 is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced, 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

1. A teaching board for higher mathematics teaching, comprising a writing panel (1), characterized in that: a storage box (2) is provided on one side of the writing panel (1), and a lower end of the writing panel (1) is provided with a storage box (2). Fixed connection with the first column (3), a rack (8) is provided on one side of the first column (3), the first column (3) is slidably connected with the sleeve (9), the sleeve The upper part of (9) is located on one side of the rack (8), and a fixing plate (6) with a through hole is installed. The upper part of the fixing plate (6) is provided with a fastening pin (14), and the fixing plate ( 6) It is rotatably connected with the limit plate (5), the left and right sides of the limit plate (5) are respectively fixed with a gear (7) and a hand wheel (4), and the sleeve (9) is connected to the second column ( 10) Fixed connection, one end of the second column (10) away from the sleeve (9) is fixed with a turntable (11), the turntable (11) and the base (13) are rotatably connected by the limit ring (12), so The base (13) is provided with an annular groove (15), the annular groove (15) is filled with balls (23), a fixing block (16) is installed on the base (13), and the fixing block An arched guide rail (21) is installed on the left side of the (16), the guide rail (21) and the pressing block (22) are slidably connected by a sliding block, and the pressing block (22) and the fixing block (16) are slidably connected. A spring (19) is fixed therebetween, the pressing block (22) is connected with the pedal (17) through a wire rope (20), and a cushion (18) is attached to the base (13) below the pedal (17).

2 . The teaching board for higher mathematics teaching according to claim 1 , wherein the writing board ( 1 ) is a curved board with a radian, and the gear ( 7 ) is meshed with the rack ( 8 ). 3 . .

3. A teaching board for higher mathematics teaching according to claim 1, characterized in that: the turntable (11) is provided with the same groove as the annular groove (15), the ball (23) is The upper and lower parts are respectively embedded in two identical annular grooves (15).

4. A teaching board for advanced mathematics teaching according to claim 1, characterized in that: a rubber pad is fixed on the bonding surface of the pressing block (22), and the steel wire rope (20) is located on the guide rail (21) In between, the steel wire rope (20) is connected to the pedal (17) through the through hole opened by the spring (19) and the fixing block (16).

5 . The teaching board for higher mathematics teaching according to claim 1 , wherein the pedal ( 17 ) and the base ( 13 ) are rotatably connected by a hinge. 6 .

6 . The teaching board for advanced mathematics teaching according to claim 1 , wherein a groove is formed on the side of the turntable ( 11 ), and the limiting ring ( 12 ) is embedded in the groove. 7 .