CN215182627U

CN215182627U - Multi-functional practical teaching aid of primary school's mathematics plane figure

Info

Publication number: CN215182627U
Application number: CN202121378852.6U
Authority: CN
Inventors: 邓艳容
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-12-14
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a multi-functional practical teaching aid of primary school's mathematics plane figure relates to primary school's mathematics teaching aid field. This multi-functional practical teaching aid of primary school's mathematics plane figure is including concatenation ruler unit, the quantity of concatenation ruler unit is the multiunit, the multiunit the concatenation of head and the tail forms various plane figures between the concatenation ruler unit, concatenation ruler unit is including cup jointing and plug connector, the lateral wall of cup jointing is equipped with square slot, the square inserted bar of lateral wall fixedly connected with of plug connector, the activity of square inserted bar is pegged graft in the square slot of cup jointing. This multi-functional practical teaching aid of primary school's mathematics plane figure is when using, and the teacher conveniently splices multiunit concatenation ruler unit to form the plane geometry of various shapes, conveniently impart knowledge to students, the geometry of formation is more diversified, increases teaching enjoyment and student's hands-on ability, improves the teaching effect.

Description

Multi-functional practical teaching aid of primary school's mathematics plane figure

Technical Field

The utility model relates to a primary school's mathematics teaching aid technical field specifically is a multi-functional practical teaching aid of primary school's mathematics plane figure.

Background

The teaching aid plays an important role in teaching, particularly in the lower grades, the teaching aid is scientifically and effectively operated, the learning enthusiasm of students can be mobilized, the intuitive visual thinking of the students is excited, the abstract mathematical knowledge can be visualized, and better understanding and mastering of the students are facilitated.

In prior art, the teacher when carrying out the teaching of primary school's mathematics plane figure, generally need use corresponding plane geometry's teaching aid, these teaching aid are fixed ruler mostly, when making up into the plane figure, and the operation is very inconvenient, and the most length of these apparatus is fixed moreover, and the geometry figure of constituteing is limited, and the figure is dull, can not actively mobilize student's interest, reduces the teaching effect, to prior art's not enough, the utility model discloses a multi-functional practical teaching aid of primary school's mathematics plane figure to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model discloses a multi-functional practical teaching aid of primary school's mathematics plane figure to solve the problem that provides among the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a multi-functional practical teaching aid of primary school's mathematics plane figure, includes:

splicing the ruler units, wherein the number of the spliced ruler units is multiple, and the spliced ruler units are spliced end to form various plane patterns;

the spliced ruler unit comprises a sleeve joint piece and a plug connector, a square slot is formed in the side wall of the sleeve joint piece, a square inserting rod is fixedly connected to the side wall of the plug connector, and the square inserting rod is movably inserted into the square slot of the sleeve joint piece;

the socket joint is characterized in that a butt joint mechanism is arranged between the socket joint piece and the plug connector and comprises a square clamping block and a square sleeve, the square sleeve is fixed on the socket joint piece, a rectangular groove is formed in the side wall of the plug connector, the square sleeve is rotatably connected in the rectangular groove, and the square sleeve is sleeved on the square clamping block.

Preferably, a threaded hole is formed in the top of the sleeve-joint piece, a first clamping bolt is connected to the inner thread of the threaded hole in a threaded mode, and the bottom of the first clamping bolt abuts against the top of the square inserting rod.

Preferably, the top fixedly connected with fixed pipe of plug connector, the inside of fixed pipe rotates and is connected with the spacer pin, square fixture block fixed connection is in the bottom of spacer pin.

Preferably, the side wall of the fixed pipe is fixedly connected with a nut seat, the inner thread of the nut seat is connected with a second clamping bolt, and the second clamping bolt penetrates through the fixed pipe and abuts against the outer wall of the limiting pin.

Preferably, the side wall of the sleeve-joint piece is fixedly connected with a fixing rod, the square sleeve is fixedly connected onto the fixing rod, and the side walls of the square sleeve and the square clamping block are provided with circular clamping holes corresponding in position.

Preferably, sliding block of sliding connection on the dead lever, one side fixedly connected with spring of sliding block, the one end fixed connection that the sliding block was kept away from to the spring is on the lateral wall of cup jointing, the opposite side fixedly connected with check lock lever of sliding block, the check lock lever activity is pegged graft in the circular card hole of square sleeve pipe and square fixture block.

The utility model discloses a multi-functional practical teaching aid of primary school's mathematics plane figure, its beneficial effect who possesses as follows:

1. this multi-functional practical teaching aid of primary school's mathematics plane figure, when using, the teacher conveniently splices multiunit concatenation ruler unit, and form the plane geometry figure of various shapes, conveniently teach, when splicing, easy operation is convenient, time saving and labor saving, will cup joint between piece and the plug connector can, the distance between cup joint on the same group concatenation ruler unit and the plug connector is adjustable to be fixed, cup joint on the different group concatenation ruler units and the junction between the plug connector are rotatable to be fixed, the geometry figure that consequently forms is more various, increase teaching enjoyment and student's hands-on ability, improve teaching effect.

2. This multi-functional practical teaching aid of primary school's mathematics plane figure, the spring of setting is in compression state, and its reaction force can guarantee the stable grafting of check lock lever in the circular calorie of square sleeve pipe and square fixture block downthehole, consequently guarantees between two sets of concatenation ruler units the butt joint back, and difficult pine takes off, and the connection effect between the multiunit concatenation ruler unit is good.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;

fig. 3 is an exploded view of the device body of the present invention.

In the figure: 1. splicing the ruler units; 2. a socket; 3. a plug-in unit; 301. slotting in a rectangular shape; 4. a square inserted link; 401. a threaded hole; 402. a first clamping bolt; 5. a fixed tube; 501. a nut seat; 502. a second clamping bolt; 6. a spacing pin; 7. a square fixture block; 8. fixing the rod; 9. a square sleeve; 10. a slider; 11. a spring; 12. a locking lever.

Detailed Description

The embodiment of the utility model discloses multi-functional practical teaching aid of primary school's mathematics plane figure, as shown in fig. 1-3, include:

splicing the ruler units 1, wherein the number of the spliced ruler units 1 is multiple, and the multiple groups of spliced ruler units 1 are spliced end to form various plane patterns;

the splicing ruler unit 1 comprises a sleeve joint part 2 and a plug connector 3, a square slot is formed in the side wall of the sleeve joint part 2, a square inserting rod 4 is fixedly connected to the side wall of the plug connector 3, and the square inserting rod 4 is movably inserted into the square slot of the sleeve joint part 2;

cup joint and be equipped with docking mechanism between piece 2 and the plug connector 3, docking mechanism includes square fixture block 7 and square sleeve pipe 9, and square sleeve pipe 9 is fixed on cup jointing 2, and rectangle fluting 301 has been seted up to the lateral wall of plug connector 3, and square sleeve pipe 9 rotates to be connected in rectangle fluting 301, and square sleeve pipe 9 cup joints on square fixture block 7, the docking mechanism's of setting simple structure, convenient to use.

Screw hole 401 is seted up at the top of cup joint spare 2, and the inside threaded connection of screw hole 401 has first chucking bolt 402, and the bottom of first chucking bolt 402 offsets with the top of square inserted bar 4, and the chucking is carried out with the surface of square inserted bar 4 to the first chucking bolt 402 that sets up to the realization is fixed to the position of square inserted bar 4.

The fixed pipe 5 of top fixedly connected with of plug connector 3, the inside of fixed pipe 5 is rotated and is connected with

spacer pin

6, and 7 fixed connection of square fixture block are in the bottom of

spacer pin

6, and 6 formation supports to square fixture block 7 of spacer pin that set up to convenient carry out the rotation operation to square fixture block 7, thereby realize the rotation after two sets of concatenation ruler unit 1 docks.

The lateral wall fixedly connected with nut seat 501 of fixed pipe 5, the inside threaded connection of nut seat 501 has second chucking bolt 502, and second chucking bolt 502 passes fixed pipe 5 and offsets with the outer wall of spacer pin 6, and the second chucking bolt 502 that sets up realizes fixing the rotation after two sets of concatenation ruler units 1 dock for the angle is fixed between two sets of concatenation ruler units 1.

Fixedly connected with dead lever 8 on the lateral wall of cup joint piece 2, square sleeve 9 fixed connection is on dead lever 8, and the circular card hole that the position corresponds is seted up to the lateral wall of square sleeve 9 and square fixture block 7, and the circular card hole that square sleeve 9 and square fixture block 7 that set up formed aligns.

Sliding connection has sliding block 10 on the dead lever 8, one side fixedly connected with spring 11 of sliding block 10, the one end fixed connection that sliding block 10 was kept away from to spring 11 is on the lateral wall of cup jointing piece 2, sliding block 10's opposite side fixedly connected with check lock lever 12, check lock lever 12 activity is pegged graft in the circular calorie of square sleeve pipe 9 and square fixture block 7 downthehole, the spring 11 of setting is in compression state, its reaction force can guarantee that check lock lever 12 is stable pegs graft in the circular calorie of square sleeve pipe 9 and square fixture block 7 downthehole, consequently, guarantee to dock the back between two sets of concatenation ruler units 1, difficult pine takes off, the connection effect between multiunit concatenation ruler unit 1 is good.

The utility model discloses when using, the teacher conveniently splices multiunit concatenation ruler unit 1, and form the plane geometric figure of various shapes, conveniently teach, when splicing, easy operation is convenient, time saving and labor saving, will cup joint between 2 and the plug connector 3 can, cup joint on the same group concatenation ruler unit 1 between 2 and the plug connector 3 apart from adjustable the fixing, cup joint on the different group concatenation ruler unit 1 between 2 and the plug connector 3 junction rotatable can fix, therefore the geometric figure that forms is more various, increase teaching enjoyment and student's hands-on ability, improve the teaching effect.

When carrying out the distance adjustment between the socket joint piece 2 and the plug connector 3 on the same group concatenation ruler unit 1, at first unscrew first chucking bolt 402, the distance can be twitched between socket joint piece 2 and the plug connector 3 for square inserted bar 4 slides along the inner chamber of socket joint piece 2, and then realizes adjusting the distance between socket joint piece 2 and the plug connector 3, adjusts to suitable distance after, screw up first chucking bolt 402 and fix can.

When carrying out the junction butt joint between the cup joint piece 2 and the plug connector 3 on the different groups concatenation ruler unit 1, at first pulling sliding block 10 makes sliding block 10 extrude spring 11 and drive the motion of check lock lever 12, aligns square sleeve 9 this moment and sheathes in square fixture block 7, then loose hand sliding block 10 utilizes spring 11 elasticity to promote sliding block 10 and check lock lever 12 motion for check lock lever 12 insert the circular card of square sleeve 9 and square fixture block 7 downthehole can.

When needs are rotated between cup joint member 2 and the plug connector 3 on the different groups concatenation ruler unit 1, at first unscrew second chucking bolt 502, handheld cup joint member 2 and plug connector 3 can rotate this moment, and spacer pin 6 can rotate in fixed pipe 5, when rotatory to suitable angle needs to be fixed, screw up second chucking bolt 502 can.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a multi-functional practical teaching aid of primary school's mathematics plane figure which characterized in that includes:

the spliced ruler units (1) are provided with a plurality of groups, and the spliced ruler units (1) are spliced end to form various plane patterns;

the splicing ruler unit (1) comprises a sleeve joint piece (2) and a plug connector (3), a square slot is formed in the side wall of the sleeve joint piece (2), a square inserting rod (4) is fixedly connected to the side wall of the plug connector (3), and the square inserting rod (4) is movably inserted into the square slot of the sleeve joint piece (2);

the socket joint is characterized in that a butt joint mechanism is arranged between the socket joint piece (2) and the plug connector (3), the butt joint mechanism comprises a square clamping block (7) and a square sleeve (9), the square sleeve (9) is fixed on the socket joint piece (2), a rectangular groove (301) is formed in the side wall of the plug connector (3), the square sleeve (9) is rotatably connected in the rectangular groove (301), and the square sleeve (9) is sleeved on the square clamping block (7).

2. The multifunctional practical teaching aid of primary school mathematics plane figure of claim 1, characterized in that: threaded holes (401) are formed in the top of the sleeve-joint piece (2), first clamping bolts (402) are connected with the internal threads of the threaded holes (401), and the bottoms of the first clamping bolts (402) are abutted to the top of the square insertion rod (4).

3. The multifunctional practical teaching aid of primary school mathematics plane figure of claim 1, characterized in that: the top fixedly connected with fixed pipe (5) of plug connector (3), the inside of fixed pipe (5) is rotated and is connected with spacer pin (6), square fixture block (7) fixed connection is in the bottom of spacer pin (6).

4. The multifunctional practical teaching aid of primary school mathematics plane figure of claim 3, characterized in that: the side wall fixedly connected with nut seat (501) of fixed pipe (5), the inside threaded connection of nut seat (501) has second chucking bolt (502), second chucking bolt (502) pass fixed pipe (5) and offset with the outer wall of spacer pin (6).

5. The multifunctional practical teaching aid of primary school mathematics plane figure of claim 1, characterized in that: the fixing rod (8) is fixedly connected to the side wall of the sleeve-joint piece (2), the square sleeve (9) is fixedly connected to the fixing rod (8), and the side walls of the square sleeve (9) and the square clamping block (7) are provided with circular clamping holes corresponding in position.

6. The multifunctional practical teaching aid of primary school mathematics plane figure of claim 5, characterized in that: sliding connection has sliding block (10) on dead lever (8), one side fixedly connected with spring (11) of sliding block (10), the one end fixed connection that sliding block (10) were kept away from in spring (11) is on the lateral wall of cup jointing piece (2), the opposite side fixedly connected with check lock lever (12) of sliding block (10), check lock lever (12) activity is pegged graft in the circular card hole of square sleeve pipe (9) and square fixture block (7).