CN215220016U

CN215220016U - Middle-position mathematics three-dimensional model teaching display device

Info

Publication number: CN215220016U
Application number: CN202121529665.3U
Authority: CN
Inventors: 彭伟健; 李林
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2021-12-17
Anticipated expiration: 2031-07-07

Abstract

The utility model discloses a middle-position mathematics three-dimensional model teaching display device relates to mathematical model show technical field, the on-line screen storage device comprises a base, be provided with the fixed block on the base, it has the grudging post to articulate on the fixed block, it is right to be provided with on the fixed block the auto-lock subassembly that the grudging post angle carries out the restriction, the shrinkage pool has been seted up on the base, fixed mounting has the show subassembly on the shrinkage pool, the show subassembly is including geometric model, geometric model's lower extreme fixed mounting has the locating piece, the locating piece embedding inside the shrinkage pool. The utility model has the advantages that: the vertical frame can be erected, and the model can be placed above the vertical frame, so that students in the back row can conveniently watch the model; the stand is convenient to fold on the base, and the stand is small in size and convenient to carry; a plurality of show subassemblies are all fixed on the base, conveniently concentrate and carry the model, and the abundance of model is higher, and the student can once know multiple geometry.

Description

Middle-position mathematics three-dimensional model teaching display device

Technical Field

The utility model relates to a mathematical model show technical field specifically is a middle-position mathematics three-dimensional model teaching display device.

Background

In mathematical education, geometry is one of more important courses, and in order to make things convenient for students to know geometry, the mr can carry some models, demonstrates to students when lecturing, and spheroid, cone, prism, cylinder etc. all belong to the geometry.

The publication number is: CN213277107U discloses a middle-position mathematics three-dimensional model teaching and displaying device, which comprises a base, wherein a first support rod is inserted in the middle of the upper surface of the base, a second support rod is inserted in the upper surface of the first support rod, a first rotary table is fixedly connected with the bottom end of the first support rod, a transmission belt is sleeved on the outer surface of the first rotary table, a second rotary table is arranged on the right side of the inner wall of the transmission belt, a third support rod is inserted in the middle of the lower surface of the first rotary table, the middle of the lower surface of the second rotary table is sleeved with the output end of a motor, a hidden groove is formed in the bottom of the right side of the outer surface of the second support rod, a rotating shaft is inserted in the bottom of the inner wall of the hidden groove, a clamping plate is sleeved on the outer surface of the rotating shaft, a first spring is fixedly connected to the bottom of the left side surface of the clamping plate, and a clamping rod is fixedly connected to the top of the right side surface of the clamping plate, the right side of the outer surface of the first support rod is provided with a clamping groove, the top end of the second support rod is fixedly connected with a connecting rod, the top end of the connecting rod is fixedly connected with a rotary ball, the outer surface of the rotary ball is sleeved with a ball sleeve, the upper surface of the ball sleeve is fixedly connected with a first clamping plate, the middle part of the upper surface of the first clamping plate is provided with a column groove, the front side and the back side of the first clamping plate are both provided with a second clamping plate, the inner side surface of the second clamping plate is inserted with a clamping rod, the outer side of the outer surface of the clamping rod is sleeved with a second spring, the middle part of the outer surface of the clamping rod is sleeved with a limiting piece, the second clamping plate is internally provided with a spring groove, the second clamping plate is internally provided with an adjusting groove, the bottoms of the left side surface and the right side surface of the second clamping plate on the rear side are both provided with a buckling groove, the bottom of the front side of the second clamping plate on the rear side is fixedly connected with an adjusting rod, and the front end of the adjusting rod is fixedly connected with a third spring, the middle part fixedly connected with of first splint lower surface shakes the pole, the groove of shaking has been seted up at the top of commentaries on classics ball surface, the front and the back of base all rotate and are connected with the braces.

Present middle-duty mathematics three-dimensional model teaching display device acts as the effect of a show shelf more when using for the model of show need carry alone, once can only write a small number of models, and the student is difficult to fully understand the variety of multiple geometry, and installs that the volume is great, and inconvenient mr carries.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a middle-position mathematics three-dimensional model teaching display device can fold on the base through the grudging post, has less occupation space, conveniently carries, and the model all fixes on the base, conveniently concentrates on carrying the model, and the abundance of model is higher, and the student can once know multiple geometry.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a middle-position mathematics three-dimensional model teaching display device, includes the base, be provided with the fixed block on the base, it has the grudging post to articulate on the fixed block, it is right to be provided with on the fixed block the auto-lock subassembly that the grudging post angle carries out the restriction, the shrinkage pool has been seted up on the base, fixed mounting has the show subassembly on the shrinkage pool, the show subassembly is including geometric model, geometric model's lower extreme fixed mounting has the locating piece, the locating piece embedding inside the shrinkage pool.

Preferably, the self-locking assembly comprises a shell, a pin rod is inserted into the shell, one end of the pin rod penetrates into the fixed block, a mandrel is arranged on the vertical frame, and one end of the mandrel is inserted into the fixed block.

Preferably, one end of the pin rod is movably inserted into the mandrel, and the pin rod and the mandrel are perpendicular to each other.

Preferably, the outside fixed mounting of pin rod has the strength piece, the outside slip of pin rod has cup jointed the spring, the one end of spring is contradicted at the upper end inner wall of casing, the one end of spring is contradicted on the strength piece.

Preferably, the stand is shaped like an 'L', and the length of the stand is not greater than that of the base.

Preferably, the vertical frame is provided with a position avoiding hole, and the inner diameter of the position avoiding hole is matched with the size of the positioning block.

Preferably, the number of the display assemblies is provided with a plurality of display assemblies, and each geometric model is provided with a different shape.

Preferably, the positioning block and the bottom of the concave hole are provided with magnets, and the magnets attract each other when approaching.

Compared with the prior art, the beneficial effects of the utility model are that: this middle-position mathematics three-dimensional model teaching display device: the mandrel can be fixed by inserting the pin rod into the mandrel, so that the vertical frame can be erected, the geometric model can be placed above the mandrel, and the higher height can facilitate the students in the back row to watch the model; the stand is convenient to fold on the base, and the stand is small in size and convenient to carry; a plurality of show subassemblies are all fixed on the base, conveniently concentrate and carry the model, and the abundance of model is higher, and the student can once know multiple geometry.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the working state of the present invention;

fig. 3 is a cross-sectional view of the self-locking assembly in an operating state of the present invention;

fig. 4 is a schematic structural view of the display module of the present invention.

In the figure: 10. a base; 11. erecting a frame; 12. concave holes; 13. a magnet; 14. a fixed block; 15. a self-locking assembly; 16. a mandrel; 17. a housing; 18. a pin rod; 19. a bearing block; 20. a spring; 22. a display assembly; 23. positioning blocks; 24. a geometric model; 25. and a clearance hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a middle-position mathematics three-dimensional model teaching display device comprises a base 10, wherein a fixed block 14 is arranged on the base 10, a vertical frame 11 is hinged on the fixed block 14, the angle of the vertical frame 11 can be changed, a self-locking assembly 15 for limiting the angle of the vertical frame 11 is arranged on the fixed block 14, the angle of the vertical frame 11 can be locked through the self-locking assembly 15, when the vertical frame 11 is in a vertical state, the vertical frame 11 can be fixed in the angle, a concave hole 12 is formed in the base 10, a display assembly 22 is fixedly arranged on the concave hole 12, a plurality of display assemblies 22 are arranged, the display assemblies 22 can be arranged in the concave hole 12, the display assemblies 22 can be placed on the vertical frame 11, students in the back row of a classroom still can clearly see the display assemblies 22, each display assembly 22 comprises a geometric model 24, and a positioning block 23 is fixedly arranged at the lower end of the geometric model 24, inside locating piece 23 embedding shrinkage pool 12, the shape through geometric model 24 can be spheroid, cone, prism, cylinder etc. can guarantee stability in embedding shrinkage pool 12 through locating piece 23 to the convenience carries the device, and a plurality of show subassemblies 22 are all fixed on base 10, conveniently concentrate and carry the model, and the abundance of model is higher, and the student can once know multiple geometry.

Referring to fig. 2 and 3, the self-locking assembly 15 includes a housing 17, a pin 18 is inserted into the housing 17, one end of the pin 18 penetrates into the fixing block 14, the pin 18 can change its height in a vertical direction, a spindle 16 is disposed on the stand 11, one end of the spindle 16 is inserted into the fixing block 14, the stand 11 and the spindle 16 are fixed together, the stand 11 can change its angle around the spindle 16, one end of the pin 18 is movably inserted into the spindle 16, the pin 18 and the spindle 16 are perpendicular to each other, when the stand 11 is vertical, the pin 18 can be inserted into the spindle 16, so as to limit the spindle 16, so that the angle of the spindle 16 is fixed, the stand 11 is also fixed, a bearing block 19 is fixedly mounted on the outer side of the pin 18, a spring 20 is slidably sleeved on the outer side of the pin 18, one end of the spring 20 abuts against the inner wall of the upper end of the housing 17, one end of the spring 20 is abutted against the bearing block 19, and thrust is applied to the bearing block 19 through the spring 20, so that the bearing block 19 is displaced downwards, and the pin rod 18 can be driven to displace downwards.

Referring to fig. 2, the stand 11 is shaped like an "L", and the length of the stand 11 is not greater than that of the base 10, so that when the stand 11 is vertical, a platform can be formed at the top, the stand 11 is provided with a position-avoiding hole 25, the inner diameter of the position-avoiding hole 25 is matched with the size of the positioning block 23, the display component 22 can be placed on the stand 11, and the positioning block 23 can be embedded into the position-avoiding hole 25.

Referring to fig. 1, the number of the display assemblies 22 is provided with a plurality of display assemblies 22, each geometric model 24 is set to be different in shape, the plurality of display assemblies 22 are fixed on the base 10, the models can be conveniently carried in a centralized manner, the richness of the models is high, and students can know various geometric bodies at one time

Referring to fig. 1 and 4, the positioning block 23 and the bottom of the concave hole 12 are both provided with magnets 13, the two magnets 13 attract each other when approaching, and the positioning block 23 can be fixed more firmly by the arrangement of the magnets 13.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a middle-position mathematics three-dimensional model teaching display device, includes base (10), its characterized in that: be provided with fixed block (14) on base (10), it has grudging post (11) to articulate on fixed block (14), be provided with on fixed block (14) right self-locking subassembly (15) that grudging post (11) angle carries out the restriction, shrinkage pool (12) have been seted up on base (10), fixed mounting has show subassembly (22) on shrinkage pool (12), show subassembly (22) is including geometric model (24), the lower extreme fixed mounting of geometric model (24) has locating piece (23), locating piece (23) embedding shrinkage pool (12) are inside.

2. The apparatus according to claim 1, wherein the apparatus comprises: the self-locking assembly (15) comprises a shell (17), a pin rod (18) is inserted into the shell (17), one end of the pin rod (18) penetrates through the inside of the fixing block (14), a mandrel (16) is arranged on the vertical frame (11), and one end of the mandrel (16) is inserted into the inside of the fixing block (14).

3. The middle-position mathematics three-dimensional model teaching display device of claim 2, characterized in that: one end of the pin rod (18) is movably inserted into the mandrel (16), and the pin rod (18) and the mandrel (16) are perpendicular to each other.

4. The middle-position mathematics three-dimensional model teaching display device of claim 2, characterized in that: the outer side of the pin rod (18) is fixedly provided with a bearing block (19), the outer side of the pin rod (18) is sleeved with a spring (20) in a sliding mode, one end of the spring (20) abuts against the inner wall of the upper end of the shell (17), and one end of the spring (20) abuts against the bearing block (19).

5. The apparatus according to claim 1, wherein the apparatus comprises: the shape of the stand (11) is set to be L-shaped, and the length of the stand (11) is not more than that of the base (10).

6. The apparatus according to claim 1, wherein the apparatus comprises: the vertical frame (11) is provided with a position avoiding hole (25), and the inner diameter of the position avoiding hole (25) is matched with the size of the positioning block (23).

7. The apparatus according to claim 1, wherein the apparatus comprises: the number of the display components (22) is provided with a plurality of, and each geometric model (24) is arranged into different shapes.

8. The apparatus according to claim 1, wherein the apparatus comprises: the positioning block (23) and the bottom of the concave hole (12) are provided with magnets (13), and the magnets (13) attract each other when approaching.