CN207731511U

CN207731511U - A kind of mathematical education teaching aid

Info

Publication number: CN207731511U
Application number: CN201721357830.5U
Authority: CN
Inventors: 朱建喆
Original assignee: Jining Technician College
Current assignee: Jining Technician College
Priority date: 2017-10-20
Filing date: 2017-10-20
Publication date: 2018-08-14
Anticipated expiration: 2027-10-20

Abstract

The utility model discloses a kind of mathematical education teaching aids, including pedestal, the pedestal is hollow structure, and the upper side wall of pedestal is connected with fixed block by holder, the upper side wall of the fixed block is set vertically there are two fixed link arranged in parallel, and the opposite side sidewall symmetry of two fixed links is equipped with turn trough, it is rotatably connected to shaft between two turn troughs, and fixing sleeve is equipped with board of education in shaft, the holder includes first support and second support, the first support is fixedly connected with the upper side wall of pedestal, and second support is fixedly connected with the lower wall of fixed block, the groove of opening upwards is equipped in the first support, and second support is inserted in groove, the utility model facilitates the height size for adjusting the board of education, it is not only suitable for the teacher of different heights, facilitate the content shown on student's learning teaching plate again；Meanwhile teacher avoids carrying the drawing tool used required for class hour back and forth, the easy work of teacher.

Description

A kind of mathematical education teaching aid

Technical field

The utility model is related to mathematics teaching aid technical field more particularly to a kind of mathematical education teaching aids.

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；In the teaching process of mathematics, it is often necessary to different figures is drawn by some educational aids, May be by template or cardboard at the cards such as round, rectangular, diamond shape, the different geometric profile of displaying that can be lively； But the educational aid of graphing and template or paperboard are when in use, teacher needs to carry back and forth, it has not been convenient to use； Meanwhile the height of board of education can not be adjusted, and can not be suitable for the teacher of different heights, and the study of inconvenient heel row student；For This, it is proposed that a kind of mathematical education teaching aid solves the above problems.

Invention content

Purpose of the utility model is to solve the use of mathematical education teaching aid inconvenience teacher in the prior art, and height nothing The problem of method is adjusted, and a kind of mathematical education teaching aid proposed.

To achieve the goals above, the utility model uses following technical solution：

A kind of mathematical education teaching aid, including pedestal, the pedestal is hollow structure, and the upper side wall of pedestal is connected by holder It is connected to fixed block, the upper side wall of the fixed block sets that there are two fixed links arranged in parallel, and two fixed link phases vertically To side sidewall symmetry be equipped with turn trough, shaft is rotatably connected between two turn troughs, and fixing sleeve is equipped with religion in shaft Plate is learned, the holder includes first support and second support, and the first support is fixedly connected with the upper side wall of pedestal, and second Holder is fixedly connected with the lower wall of fixed block, the groove of opening upwards is equipped in the first support, and second support plugs In groove, the first threaded rod being laterally arranged is rotatably connected in the pedestal, and the first threaded rod runs through the side wall of pedestal Setting, the side wall of first threaded rod are connected with quantity the second threaded rod corresponding with holder by Helical gear Transmission, and the Two threaded rods through pedestal and first support side wall and extend in groove, second threaded rod through second support and with Second support is threadedly coupled, and the inner wall of the groove is equipped with the first sliding groove vertically, and the side wall of second support passes through the first sliding block It is slidably connected with the first sliding groove.

Preferably, the lower wall of the pedestal is equipped with the supporting leg of preset quantity, and the one end of supporting leg far from pedestal is equipped with ten thousand To wheel, the side wall of the supporting leg is equipped with and the matched brake apparatus of universal wheel.

Preferably, the fixed block is hollow structure, and storage chamber is equipped in fixed block, and the side wall of the fixed block is equipped with The opening being connected to storage chamber, and opening is rotatably connected to cover board, and parcel shelf is slidably connected in the storage chamber.

Preferably, the height size of the first sliding groove is less than the height size of groove.

Preferably, the cunning chamber being connected to turn trough is equipped in one of them described fixed link vertically, and kelly is equipped in sliding chamber, The side wall ring of the shaft be arranged with preset quantity with the matched card slot of kelly, the inner wall of the sliding chamber is also equipped with second vertically Sliding slot, and side inner wall of the second sliding slot far from turn trough is connected with the second sliding block by spring, the kelly passes through the second sliding block It is slidably connected with second sliding slot.

The utility model facilitates the height size for adjusting the board of education, is not only suitable for the teacher of different heights, and facilitate The content shown on raw learning teaching plate；Meanwhile teacher avoids carrying the drawing tool used required for class hour back and forth, it is easy The work of teacher, improves quality of instruction.

Description of the drawings

Fig. 1 be the utility model proposes a kind of mathematical education teaching aid structural schematic diagram；

Fig. 2 is structural schematic diagram at A in Fig. 1.

In figure：1 pedestal, 2 supporting legs, 3 universal wheels, 4 brake apparatus, 5 first supports, 6 second supports, 7 fixed blocks, 8 storages Chamber, 9 parcel shelf, 10 grooves, 11 the first sliding grooves, 12 first sliding blocks, 13 first threaded rods, 14 helical gears, 15 second threaded rods, 16 Chamber, 21 kellies, 22 second sliding slots, 23 springs, 24 second sliding blocks, 25 cards are slided in fixed link, 17 boards of education, 18 turn troughs, 19 shafts, 20 Slot.

Specific implementation mode

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.

Referring to Fig.1-2, a kind of mathematical education teaching aid, including pedestal 1, the lower wall of pedestal 1 are equipped with the supporting leg of preset quantity 2, and the one end of supporting leg 2 far from pedestal 1 is equipped with universal wheel 3, the side wall of supporting leg 2 be equipped with 3 matched brake apparatus 4 of universal wheel, Convenient to be moved to the position of the teaching aid, pedestal 1 is hollow structure, and the upper side wall of pedestal 1 is connected by holder There is a fixed block 7, the upper side wall of fixed block 7 sets that there are two fixed links 16 arranged in parallel, and two 16 phases of fixed link vertically To side sidewall symmetry be equipped with turn trough 18, shaft 19 is rotatably connected between two turn troughs 18, and fixation is arranged in shaft 19 There is board of education 17, fixed block 7 is hollow structure, and storage chamber 8 is equipped in fixed block 7, and the side wall of fixed block 7 is equipped with and storage chamber The opening of 8 connections, and opening is rotatably connected to cover board, and parcel shelf 9 is slidably connected in storage chamber 8, teacher is avoided to take back and forth With the drawing tool used of needs, the easy work of teacher, holder include first support 5 and second support 6, first support 5 It is fixedly connected with the upper side wall of pedestal 1, and second support 6 is fixedly connected with the lower wall of fixed block 7, is equipped in first support 5 The groove 10 of opening upwards, and second support 6 is inserted in groove 10, and the first spiral shell being laterally arranged is rotatably connected in pedestal 1 Rasp bar 13, and the first threaded rod 13 is arranged through the side wall of pedestal 1, the side wall of the first threaded rod 13 is driven by helical gear 14 to be connected It is connected to quantity the second threaded rod 15 corresponding with holder, and the second threaded rod 15 through pedestal 1 and the side wall of first support 5 and prolongs It extends in groove 10, the second threaded rod 15 is threadedly coupled through second support 6 and with second support 6, and the inner wall of groove 10 is vertical Equipped with the first sliding groove 11, and the side wall of second support 6 is slidably connected by the first sliding block 12 with the first sliding groove 11, the first sliding groove 11 Height size be less than the height size of groove 10, prevent first support 5 and second support 6 from slipping, one of fixation The cunning chamber 20 being connected to turn trough 18 is equipped in bar 16 vertically, and kelly 21 is equipped in sliding chamber 20, the side wall ring of shaft 19 is arranged with Preset quantity with 21 matched card slot 25 of kelly, the inner wall of sliding chamber 20 is also equipped with second sliding slot 22, and second sliding slot 22 vertically Side inner wall far from turn trough 18 is connected with the second sliding block 24 by spring 23, and kelly 21 passes through the second sliding block 24 and second sliding slot 22 are slidably connected, and when needing to rotate the angle of board of education 17, pull kelly 21, so that kelly 21 is slided in sliding chamber 20, and press Contracting spring 23 loosens kelly 21 under the action of spring 23, kelly 21 is connected to one with card slot 25 after angle is adjusted It rises, the board of education 17 of the angle can be fixed.

The utility model rotates the first threaded rod 13 and passes through after teacher draws out teaching figure in board of education 17 Helical gear 14 drives the second threaded rod 15 rotation of preset quantity, since the second threaded rod 15 extends in groove 10 and with second Holder 6 is threadedly coupled, therefore second support 6 can be sliding in groove 10 by the cooperation of the first sliding block 12 and the first sliding groove 11 It is dynamic, the scaling operation to fixed block 7 can be completed, to facilitate the height for changing board of education 17, teacher had both been facilitated to write writing on the blackboard And picture, and student is facilitated to learn；Meanwhile board of education 17 is rotatablely connected by shaft 19 and two fixed links 16, it is logical when needing It is that template or paperboard carry that board of education 17, which can serve as bottom plate, when crossing template either paperboard showing different geometric figures to student For support force；Furthermore by the way that storage chamber 8 is arranged in fixed block 7, the tool that can use some needs is placed in storage chamber 8 In, avoid teacher from carrying back and forth, the easy work of teacher.

The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims

1. a kind of mathematical education teaching aid, including pedestal（1）, which is characterized in that the pedestal（1）For hollow structure, and pedestal（1） Upper side wall fixed block is connected with by holder（7）, the fixed block（7）Upper side wall set vertically there are two arranged in parallel Fixed link（16）, and two fixed links（16）Opposite side sidewall symmetry is equipped with turn trough（18）, two turn troughs（18） Between be rotatably connected to shaft（19）, and shaft（19）Upper fixing sleeve is equipped with board of education（17）, the holder includes first support （5）And second support（6）, the first support（5）With pedestal（1）Upper side wall be fixedly connected, and second support（6）With fixation Block（7）Lower wall be fixedly connected, the first support（5）In be equipped with opening upwards groove（10）, and second support（6）It inserts Set on groove（10）In, the pedestal（1）In be rotatably connected to the first threaded rod being laterally arranged（13）, and the first threaded rod （13）Through pedestal（1）Side wall setting, first threaded rod（13）Side wall pass through helical gear（14）It is sequentially connected with number Amount the second threaded rod corresponding with holder（15）, and the second threaded rod（15）Through pedestal（1）And first support（5）Side wall simultaneously Extend to groove（10）In, second threaded rod（15）Through second support（6）And and second support（6）It is threadedly coupled, institute State groove（10）Inner wall vertically be equipped with the first sliding groove（11）, and second support（6）Side wall pass through the first sliding block（12）With One sliding slot（11）It is slidably connected.

2. a kind of mathematical education teaching aid according to claim 1, which is characterized in that the pedestal（1）Lower wall be equipped with The supporting leg of preset quantity（2）, and supporting leg（2）Far from pedestal（1）One end be equipped with universal wheel（3）, the supporting leg（2）Side wall set Have and universal wheel（3）Matched brake apparatus（4）.

3. a kind of mathematical education teaching aid according to claim 1, which is characterized in that the fixed block（7）For hollow structure, And fixed block（7）In be equipped with storage chamber（8）, the fixed block（7）Side wall be equipped with and storage chamber（8）The opening of connection, and open It is rotatably connected to cover board, the storage chamber at mouthful（8）In slidably connect parcel shelf（9）.

4. a kind of mathematical education teaching aid according to claim 1, which is characterized in that the first sliding groove（11）Height it is big It is less than groove（10）Height size.

5. a kind of mathematical education teaching aid according to claim 1, which is characterized in that one of them described fixed link（16）In It is vertical to be equipped with and turn trough（18）The cunning chamber of connection（20）, and sliding chamber（20）In be equipped with kelly（21）, the shaft（19）Side wall Around equipped with preset quantity and kelly（21）Matched card slot（25）, the sliding chamber（20）Inner wall also vertically be equipped with second slide Slot（22）, and second sliding slot（22）Far from turn trough（18）Side inner wall pass through spring（23）It is connected with the second sliding block（24）, institute State kelly（21）Pass through the second sliding block（24）With second sliding slot（22）It is slidably connected.