CN214175455U

CN214175455U - Mathematical model for cultivating mathematical thinking of pupils

Info

Publication number: CN214175455U
Application number: CN202023284219.9U
Authority: CN
Inventors: 尹吉华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-10
Anticipated expiration: 2030-12-31

Abstract

The application discloses pupil's mathematics thinking is cultivateed and is used mathematical model, including bottom block, round bar, calculating pearl, digit roller, rotating pin, spacing hole, toper piece, spring one, adjusting bolt, fixed block one, dwang, interior pole, fixture block, fixed pin, rectangular channel one, rectangular channel two, fastening bolt, L template, hinge, stop bolt, a protection section of thick bamboo, T type fixture block, draw-in groove, solid fixed ring, spring three, shift ring, ball and fixed block two. This application digit roller rotates and drives the rotating pin and rotate, the rotating pin rotates and drives spacing hole and remove, spacing hole removes and extrudees the toper piece, make the toper piece remove and extrude spring one, make spring one produce elasticity, under the effect of spring elasticity, the toper piece removes and gets into next spacing downthehole portion, figure on the digit roller is the same with the number of calculating pearl on the round bar, twist adjusting bolt, adjusting bolt removes along the nut, adjusting bolt removes and drives the toper piece and remove and get into spacing downthehole portion completely.

Description

Mathematical model for cultivating mathematical thinking of pupils

Technical Field

The application relates to a mathematical model, in particular to a mathematical model for the mathematical thinking culture of pupils.

Background

The history of mathematical models can be traced back to the era when humans began to use numbers. As humans use numbers, various mathematical models are continually being built to solve a wide variety of practical problems. A mathematical model can be established for comprehensive quality evaluation of the wide scientific and technical workers to the college students, evaluation of the performance of the teachers and daily activities such as friend visiting, purchasing and the like, and an optimal scheme can be established. The establishment of the mathematical model is an indispensable bridge for communicating the actual problems in front of the face with the mathematical tools.

The mathematical model that the tradition used has certain defect, lacks the convenient regulation fixed establishment of digital roller, causes the position of inconvenient several regulation digital roller according to the pearl on the round bar, lacks coupling mechanism simultaneously, causes inconveniently to connect the use with several mathematical model, has reduced mathematical model's application range, lacks protection machanism, causes inconveniently to protect round bar and roll the pearl. Therefore, a mathematical model for the mathematical thinking training of the pupils is provided for solving the problems.

Content of application

A mathematical model for cultivating the mathematical thinking of primary school students comprises a bottom block, a round bar, an abacus bead, a digital roller, a clamping mechanism, a connecting mechanism and a protecting mechanism, wherein the round bar is fixedly arranged at the middle position of the top end of the bottom block, the abacus bead is placed on the annular side surface of the round bar, and the digital roller is rotatably arranged at the front end of the bottom block;

the clamping mechanism comprises a rotating pin, limiting holes, conical blocks, a first spring and an adjusting bolt, a groove is formed in the front end of the bottom block, a digital roller is rotatably mounted in the groove, the rotating pin is symmetrically and fixedly mounted at the left end and the right end of the digital roller and rotatably mounted in the groove, ten limiting holes are uniformly formed in one annular side surface of the rotating pin, the first spring is fixedly mounted in the groove, the conical block is fixedly mounted at the other end of the first spring, one end of the conical block extends into the limiting holes, the adjusting bolt is mounted at the front end of the bottom block, and the rear end of the adjusting bolt extends into the bottom block and is aligned with the middle position of the front end of the conical block front and back;

the connecting mechanism comprises a first fixing block, a rotating rod, an inner rod, a fixture block, a fixing pin and a second fixing block, the first fixing block is fixedly installed on the right side of the rear end of the bottom block, the fixing pins are symmetrically installed at the upper end and the lower end of the first fixing block, the rotating rod is installed on the annular side surface of the fixing pin, the inner rod is installed inside the rotating rod, one end of the inner rod extends to the outer side of the rotating rod, the fixture block is fixedly installed at one end of the inner rod, and the second fixing block is fixedly installed on the left side of the rear end of the bottom block;

protection mechanism is including a protection section of thick bamboo, T type fixture block, draw-in groove, solid fixed ring, three springs and shift ring, a protection section of thick bamboo is assembled to the pole outside, two T type fixture blocks of protection section of thick bamboo bottom symmetry fixed mounting, two draw-in grooves are seted up to bottom block top symmetry, and T type fixture block installs inside the draw-in groove, solid fixed ring of fixed mounting on the protection section of thick bamboo annular side, and solid fixed ring bottom fixed mounting more than two springs three, three bottom fixed mounting of spring is on the shift ring, shift ring slidable mounting is on protection section of thick bamboo annular side.

Further, a nut is installed on the annular side face of the adjusting bolt, and the outer side of the nut is fixedly installed at the front end of the bottom block.

Furthermore, a first rectangular groove is symmetrically formed in the upper end and the lower end of the first fixing block, a fixing pin is fixedly installed in the first rectangular groove, a second rectangular groove is symmetrically formed in the upper end and the lower end of the second fixing block, and the first rectangular groove and the second rectangular groove are located on the same horizontal plane.

Further, the interior pole extends to the inside one end fixed mounting spring two of dwang, and two one end fixed mounting of spring are inside the dwang, the screw thread through-hole is seted up on the dwang top, and screw thread through-hole internally mounted fastening bolt, the fastening bolt bottom is passed the dwang and is laminated mutually with interior pole top.

Further, an L-shaped plate is rotatably installed at the rear end of the fixed block, a hinge is fixedly installed at the bottom end of the L top plate through a first screw, the other end of the hinge is fixedly installed at the rear end of the fixed block through a second screw, a limiting bolt is installed at one end of the L-shaped plate, a limiting screw hole is formed in the rear end of the fixed block, and the front end of the limiting bolt is aligned with the front end of the limiting screw hole in a front-back mode.

Further, more than two ball grooves are uniformly formed in the bottom end of the moving ring, balls are mounted in the ball grooves, and the spherical side faces of the balls are attached to the top end of the bottom block.

Furthermore, the clamping groove is composed of a square groove and a T-shaped arc groove, the two square grooves and the two T-shaped arc grooves are symmetrically formed in the top end of the bottom block, and one end of each square groove is communicated with the T-shaped arc groove.

Further, a miniature bearing is fixedly installed on the annular side face of the rotating pin, and the outer side of the miniature bearing is fixedly installed inside the groove.

Furthermore, the first fixing block is fixedly installed on the bottom block through a first bolt, and the second fixing block is fixedly installed on the bottom block through a second bolt.

Further, solid fixed ring top installation T type guide block, and T type guide block bottom pass solid fixed ring fixed mounting on the shift ring top, T type guide block annular side outside fixed mounting spring three.

The beneficial effect of this application is: the application provides a mathematical model for pupil mathematical thinking culture with convenient fixed digit roller, convenient combination use mathematical model and protection pole and bead function.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;

FIG. 2 is a front view of a clamping mechanism according to one embodiment of the present application;

FIG. 3 is a side view of a snapping mechanism according to an embodiment of the present application;

FIG. 4 is an enlarged view of a portion of one embodiment of the present application at A;

FIG. 5 is a schematic view of a coupling mechanism according to an embodiment of the present application;

FIG. 6 is a side view of a coupling mechanism according to an embodiment of the present application;

fig. 7 is a schematic view of a card slot structure according to an embodiment of the present application.

In the figure: 1. the device comprises a bottom block, 2, a round rod, 3, an abacus bead, 4, a digital roller, 5, a rotating pin, 6, a limiting hole, 7, a conical block, 8, a first spring, 9, an adjusting bolt, 10, a first fixing block, 11, a rotating rod, 12, an inner rod, 13, a clamping block, 14, a fixing pin, 15, a first rectangular groove, 16, a second rectangular groove, 17, a fastening bolt, 18, an L-shaped plate, 19, a hinge, 20, a limiting bolt, 21, a protection cylinder, 22, a T-shaped clamping block, 23, a clamping groove, 24, a fixing ring, 25, a third spring, 26, a moving ring, 27, a ball, 28 and a second fixing block.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-7, a mathematical model for the mathematical thinking culture of pupils comprises a bottom block 1, a round bar 2, beads 3, a digital roller 4, a clamping mechanism, a connecting mechanism and a protecting mechanism, wherein the round bar 2 is fixedly arranged at the middle position of the top end of the bottom block 1, the beads 3 are arranged on the annular side surface of the round bar 2, and the digital roller 4 is rotatably arranged at the front end of the bottom block 1;

the clamping mechanism comprises a rotating pin 5, limiting holes 6, conical blocks 7, a first spring 8 and adjusting bolts 9, a groove is formed in the front end of a bottom block 1, a digital roller 4 is rotatably installed in the groove, the rotating pin 5 is symmetrically and fixedly installed at the left end and the right end of the digital roller 4, the rotating pin 5 is rotatably installed in the groove, ten limiting holes 6 are uniformly formed in the annular side surface of one rotating pin 5, the first spring 8 is fixedly installed in the groove, the conical block 7 is fixedly installed at the other end of the first spring 8, one end of the conical block 7 extends into the limiting holes 6, the adjusting bolts 9 are installed at the front end of the bottom block 1, the rear end of each adjusting bolt 9 extends into the bottom block 1 and is aligned with the middle position of the front end of the conical block 7 in the front-back mode, a user rotates the digital roller 4 to drive the rotating pin 5 to rotate, the rotating pin 5 drives the limiting holes 6 to move, when the conical block 7 is aligned with the next limiting hole 6, the conical block 7 moves to enter the next limiting hole 6 under the action of the elastic force of the spring 8, when the number of the digital roller 4 is the same as the number of the computation beads 3 on the round rod 2, the adjusting bolt 9 is screwed, the adjusting bolt 9 moves along the nut, the adjusting bolt 9 moves to drive the conical block 7 to move completely into the limiting hole 6, the positions of the rotating pin 5 and the digital roller 4 are further fixed, the adjusting bolt 9 drives the conical block 7 to move to stretch the spring 8, and at the moment, the elastic force of the spring 8 facilitates the movement and resetting of the conical block 7;

the connecting mechanism comprises a first fixing block 10, a rotating rod 11, an inner rod 12, a clamping block 13, a fixing pin 14 and a second fixing block 28, the first fixing block 10 is fixedly installed on the right side of the rear end of the bottom block 1, the fixing pins 14 are symmetrically installed at the upper end and the lower end of the first fixing block 10, the rotating rod 11 is installed on the annular side face of the fixing pin 14, the inner rod 12 is installed inside the rotating rod 11, one end of the inner rod 12 extends to the outer side of the rotating rod 11, the clamping block 13 is fixedly installed at one end of the inner rod 12, the second fixing block 28 is fixedly installed on the left side of the rear end of the bottom block 1, the two bottom blocks 1 are placed side by side, so that the first fixing block 10 on one bottom block 1 is attached to the second fixing block 28 on the other bottom block 1, a user pulls the inner rod 12, the inner rod 12 moves to stretch the second spring, the rotating rod 11 is rotated by using the fixing pin 14, and the rotating rod 11 enters the first rectangular groove 15, the inner rod 12 moves into the rectangular groove II 16, under the action of the elastic force of the spring II, the inner rod 12 moves to drive the fixture block 13 to move to be attached to the fixed block II 28, the fastening bolt 17 is screwed, the inner rod 12 is fixedly installed inside the rotating rod 11 to complete connection of the two bottom blocks 1, the L-shaped plate 18 is rotated by the hinge 19 to enable the L-shaped plate 18 to be attached to the top end of the rotating rod 11, the rotating rod 11 is clamped inside the rectangular groove I15, the limiting bolt 20 is screwed, and the position of the L-shaped plate 18 is fixed;

the protection mechanism comprises a protection cylinder 21, T-shaped fixture blocks 22, a clamping groove 23, a fixing ring 24, three springs 25 and a moving ring 26, wherein the protection cylinder 21 is assembled outside the round rod 2, the two T-shaped fixture blocks 22 are symmetrically and fixedly installed at the bottom end of the protection cylinder 21, the two clamping grooves 23 are symmetrically formed in the top end of the bottom block 1, the T-shaped fixture blocks 22 are installed inside the clamping grooves 23, the fixing ring 24 is fixedly installed on the annular side surface of the protection cylinder 21, the more than two springs three 25 are fixedly installed at the bottom end of the fixing ring 24, the bottom ends of the springs three 25 are fixedly installed on the moving ring 26, the moving ring 26 is slidably installed on the annular side surface of the protection cylinder 21, a user pushes the protection cylinder 21 downwards, the protection cylinder 21 moves downwards to drive the T-shaped fixture blocks 22 to move into the square grooves of the clamping grooves 23, the bottom block 1 extrudes the moving ring 26 simultaneously, so that the moving ring 26 extrudes the three springs 25, then, the protection barrel 21 is rotated, the protection barrel 21 moves to drive the T-shaped fixture block 22 to move into the T-shaped arc groove, the T-shaped fixture block 22 is clamped in the clamping groove 23 under the action of the elastic force of the spring III 25, the protection barrel 21 is installed, and the round rod 2 and the abacus bead 3 are protected.

A nut is arranged on the annular side surface of the adjusting bolt 9, and the outer side of the nut is fixedly arranged at the front end of the bottom block 1; the upper end and the lower end of the first fixing block 10 are symmetrically provided with a first rectangular groove 15, a fixing pin 14 is fixedly installed in the first rectangular groove 15, the upper end and the lower end of the second fixing block 28 are symmetrically provided with a second rectangular groove 16, and the first rectangular groove 15 and the second rectangular groove 16 are located on the same horizontal plane; a second spring is fixedly installed at one end, extending into the rotating rod 11, of the inner rod 12, one end of the second spring is fixedly installed inside the rotating rod 11, a threaded through hole is formed in the top end of the rotating rod 11, a fastening bolt 17 is installed inside the threaded through hole, and the bottom end of the fastening bolt 17 penetrates through the rotating rod 11 and is attached to the top end of the inner rod 12; the rear end of the first fixing block 10 is rotatably provided with an L-shaped plate 18, the bottom end of the L-shaped top plate is fixedly provided with a hinge 19 through a first screw, the other end of the hinge 19 is fixedly arranged at the rear end of the first fixing block 10 through a second screw, one end of the L-shaped plate 18 is provided with a limiting bolt 20, the rear end of the first fixing block 10 is provided with a limiting screw hole, and the front end of the limiting bolt 20 is aligned with the limiting screw hole in a front-back mode; more than two ball grooves are uniformly formed in the bottom end of the movable ring 26, balls 27 are mounted in the ball grooves, and the spherical side faces of the balls 27 are attached to the top end of the bottom block 1; the clamping groove 23 consists of a square groove and a T-shaped arc groove, two square grooves and two T-shaped arc grooves are symmetrically formed in the top end of the bottom block 1, and one end of each square groove is communicated with the T-shaped arc groove; a miniature bearing is fixedly arranged on the annular side surface of the rotating pin 5, and the outer side of the miniature bearing is fixedly arranged in the groove; the first fixing block 10 is fixedly arranged on the bottom block 1 through a first bolt, and the second fixing block 28 is fixedly arranged on the bottom block 1 through a second bolt; t type guide block is installed on 24 top ends of fixed ring, and T type guide block bottom passes fixed ring 24 fixed mounting on the 26 top ends of shift ring, T type guide block annular side outside fixed mounting spring three 25.

This application is when using, digital roller 4 rotates and drives the rotating pin 5 and rotates, rotating pin 5 rotates and drives spacing hole 6 and remove, spacing hole 6 removes and extrudes toper piece 7, make toper piece 7 remove and extrude spring 8, make spring 8 produce elasticity, when toper piece 7 aligns with next spacing hole 6, under the effect of spring 8 elasticity, toper piece 7 removes and gets into spacing hole 6 next inside, it is the same with the number of calculating pearl 3 on 2 with the round bar to count on digital roller 4, twist and move adjusting bolt 9, adjusting bolt 9 removes along the nut, adjusting bolt 9 removes and drives toper piece 7 and remove and get into spacing hole 6 completely inside, and then fix the position of rotating pin 5 and digital roller 4.

The inner rod 12 moves to stretch the second spring, the fixing pin 14 is used for rotating the rotating rod 11, the rotating rod 11 is made to rotate to enter the first rectangular groove 15, the inner rod 12 moves to enter the second rectangular groove 16, under the action of the elastic force of the second spring, the inner rod 12 moves to drive the clamping block 13 to move to be attached to the second fixing block 28, the fastening bolt 17 is screwed, the inner rod 12 is fixedly installed inside the rotating rod 11, and connection of the two bottom blocks 1 is completed.

A protection section of thick bamboo 21 moves down and drives T type fixture block 22 and remove the square inslot portion that gets into draw-in groove 23, and bottom block 1 extrudees shift ring 26 simultaneously for shift ring 26 removes and extrudees spring three 25, rotates a protection section of thick bamboo 21 after that, and a protection section of thick bamboo 21 removes and drives T type fixture block 22 and remove and get into inside the T type arc groove, under the effect of spring three 25 elasticity, with T type fixture block 22 joint inside draw-in groove 23, accomplishes the installation of a protection section of thick bamboo 21.

The application has the advantages that:

1. the digit roller rotates and drives the rotating pin and rotate, the rotating pin rotates and drives spacing hole and remove, spacing hole removes and extrudees the bell shaped block, make the bell shaped block remove and extrude spring one, make spring one produce elasticity, when the bell shaped block aligns with next spacing hole, under the effect of spring elasticity, the bell shaped block removes and gets into next spacing downthehole portion, digit on the digit roller is the same with the number of beads on the round bar, twist adjusting bolt, adjusting bolt removes along the nut, adjusting bolt removes and drives the bell shaped block and remove and get into spacing downthehole portion completely, and then the position of fixed rotating pin and digit roller, the convenient regulation fixed establishment that lacks the digit roller has been solved, cause the inconvenient drawback of adjusting the position of digit roller according to the number of beads on the round bar.

2. Interior pole removes and stretches spring two, utilizes the fixed pin to rotate the dwang for the dwang rotates and gets into inside the rectangular channel one, and interior pole removes and gets into inside the rectangular channel two, under the effect of two elastic forces of spring, interior pole removes and drives the fixture block and remove and laminate with two fixed blocks, screws up fastening bolt, with interior pole fixed mounting inside the dwang, accomplish the connection of two bottom blocks, solved and lacked coupling mechanism, cause inconvenient use of connecting several mathematical model, reduced the problem of mathematical model application range.

3. A protection section of thick bamboo downstream drives T type fixture block and removes the square inslot that gets into the draw-in groove, the bottom block extrudees the shift ring simultaneously for the shift ring removes and extrudees spring three, rotate a protection section of thick bamboo after that, a protection section of thick bamboo removes and drives T type fixture block and remove and get into T type arc inslot portion, under the effect of three elastic forces of spring, with T type fixture block joint inside the draw-in groove, accomplish the installation of a protection section of thick bamboo, the problem of lacking protection mechanism has been solved, cause inconvenient drawback of protecting round bar and the beads that roll.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a pupil's mathematics thinking is cultivateed and is used mathematical model which characterized in that: the device comprises a bottom block (1), a round bar (2), beads (3), a digital roller (4), a clamping mechanism, a connecting mechanism and a protecting mechanism, wherein the round bar (2) is fixedly arranged at the middle position of the top end of the bottom block (1), the beads (3) are placed on the annular side surface of the round bar (2), and the digital roller (4) is rotatably arranged at the front end of the bottom block (1);

the clamping mechanism comprises a rotating pin (5), a limiting hole (6), a conical block (7), a first spring (8) and an adjusting bolt (9), the front end of the bottom block (1) is provided with a groove, and the digital roller (4) is rotatably arranged in the groove, the rotating pins (5) are symmetrically and fixedly arranged at the left end and the right end of the digital roller (4), the rotating pins (5) are rotatably arranged in the groove, ten limiting holes (6) are uniformly formed in the annular side surface of one rotating pin (5), a first spring (8) is fixedly arranged in the groove, the other end of the first spring (8) is fixedly provided with a conical block (7), one end of the conical block (7) extends into the limiting hole (6), the front end of the bottom block (1) is provided with an adjusting bolt (9), the rear end of the adjusting bolt (9) extends into the bottom block (1) and is aligned with the middle position of the front end of the conical block (7) front and back;

the connecting mechanism comprises a first fixing block (10), a rotating rod (11), an inner rod (12), a clamping block (13), a fixing pin (14) and a second fixing block (28), wherein the first fixing block (10) is fixedly installed on the right side of the rear end of the bottom block (1), the fixing pins (14) are symmetrically installed at the upper end and the lower end of the first fixing block (10), the rotating rod (11) is installed on the annular side surface of the fixing pin (14), the inner rod (12) is installed inside the rotating rod (11), one end of the inner rod (12) extends to the outer side of the rotating rod (11), the clamping block (13) is fixedly installed at one end of the inner rod (12), and the second fixing block (28) is fixedly installed on the left side of the rear end of the bottom block (1);

protection mechanism is including a protection section of thick bamboo (21), T type fixture block (22), draw-in groove (23), solid fixed ring (24), three (25) of spring and shift ring (26), a protection section of thick bamboo (21) outside assembly protection section of thick bamboo (2), two T type fixture blocks (22) of protection section of thick bamboo (21) bottom symmetry fixed mounting, two draw-in grooves (23) are seted up to end block (1) top symmetry, and T type fixture block (22) install inside draw-in groove (23), solid fixed ring (24) of fixed mounting on protection section of thick bamboo (21) annular flank, and gu three (25) of spring more than two of fixed ring (24) bottom fixed mounting, three (25) bottom fixed mounting of spring is on shift ring (26), shift ring (26) slidable mounting is on protection section of thick bamboo (21) annular flank.

2. The mathematical model for the mathematical thinking training of the pupils as claimed in claim 1, wherein: and a nut is arranged on the annular side surface of the adjusting bolt (9), and the outer side of the nut is fixedly arranged at the front end of the bottom block (1).

3. The mathematical model for the mathematical thinking training of the pupils as claimed in claim 1, wherein: rectangular channel (15) have been seted up to both ends symmetry about fixed block one (10), rectangular channel (15) inside fixed mounting fixed pin (14), rectangular channel two (16) have been seted up to both ends symmetry about fixed block two (28), rectangular channel one (15) and rectangular channel two (16) are in on the same horizontal plane.

4. The mathematical model for the mathematical thinking training of the pupils as claimed in claim 1, wherein: interior pole (12) extend to dwang (11) inside one end fixed mounting spring two, and two one end fixed mounting of spring are inside dwang (11), the screw thread through-hole is seted up on dwang (11) top, and screw thread through-hole internally mounted fastening bolt (17), fastening bolt (17) bottom is passed dwang (11) and is laminated mutually with interior pole (12) top.

5. The mathematical model for the mathematical thinking training of the pupils as claimed in claim 1, wherein: the installation L template (18) is rotated to fixed block (10) rear end, L template bottom is through a screw fixed mounting hinge (19), and the hinge (19) other end passes through two fixed mounting of screw at fixed block (10) rear end, L template (18) one end installation limit bolt (20), spacing screw is seted up to fixed block (10) rear end, align around limit bolt (20) front end and the spacing screw.

6. The mathematical model for the mathematical thinking training of the pupils as claimed in claim 1, wherein: more than two ball grooves are evenly formed in the bottom end of the moving ring (26), balls (27) are installed in the ball grooves, and the spherical side faces of the balls (27) are attached to the top end of the bottom block (1).

7. The mathematical model for the mathematical thinking training of the pupils as claimed in claim 1, wherein: the clamping groove (23) is composed of a square groove and a T-shaped arc groove, the top end of the bottom block (1) is symmetrically provided with two square grooves and two T-shaped arc grooves, and one end of each square groove is communicated with the T-shaped arc groove.

8. The mathematical model for the mathematical thinking training of the pupils as claimed in claim 1, wherein: and the annular side surface of the rotating pin (5) is fixedly provided with a miniature bearing, and the outer side of the miniature bearing is fixedly arranged in the groove.

9. The mathematical model for the mathematical thinking training of the pupils as claimed in claim 1, wherein: the first fixing block (10) is fixedly mounted on the bottom block (1) through a first bolt, and the second fixing block (28) is fixedly mounted on the bottom block (1) through a second bolt.

10. The mathematical model for the mathematical thinking training of the pupils as claimed in claim 1, wherein: t type guide block is installed on solid fixed ring (24) top, and T type guide block bottom passes solid fixed ring (24) fixed mounting on shift ring (26) top, T type guide block annular side outside fixed mounting spring three (25).