CN211154872U

CN211154872U - Mathematical modeling model teaching display device

Info

Publication number: CN211154872U
Application number: CN201921904020.6U
Authority: CN
Inventors: 陶亚宾
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-08-04
Anticipated expiration: 2029-11-06

Abstract

The utility model belongs to the technical field of mathematical education, in particular to a mathematical modeling model teaching display device, aiming at the problems of the prior display device that the structure is fixed, the folding is inconvenient, the volume is large, and the transportation and the carrying are inconvenient, the proposal is provided, which comprises a placing bottom plate and a placing top plate positioned above the placing bottom plate, the top of the placing bottom plate is articulated with two U-shaped supporting seats, the inner walls of the two sides of the two U-shaped supporting seats are both provided with a rotating groove, the two rotating grooves positioned on the same U-shaped supporting seat are rotatably provided with the same rotating shaft, the outer sides of the two rotating shafts are both fixedly provided with connecting plates, the top of the two connecting plates are both articulated with the bottom of the placing top plate, the two sides of the U-shaped supporting seats are both provided with rectangular clamping holes, and the two rotating, the space occupation is reduced, the transportation, the carrying and the storage are convenient, the structure is simple, and the use is convenient.

Description

Mathematical modeling model teaching display device

Technical Field

The utility model relates to a mathematical education technical field especially relates to a mathematical modeling model teaching display device.

Background

Modeling is to establish a model, namely an abstraction made on a thing for understanding the thing, is an unambiguous written description of the thing, and a process of establishing a system model, also called modeling, is required to use a modeling model in mathematical education, so that a display device is required to display the modeling model.

The existing display device is fixed in structure, inconvenient to fold, large in size and inconvenient to transport and carry, and therefore a mathematical modeling model teaching display device is provided and used for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving display device fixed structure, be not convenient for fold, the volume is great, and the transportation carries all very inconvenient shortcoming, and the mathematical modeling model teaching display device who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a teaching and displaying device for mathematical modeling models comprises a placing bottom plate and a placing top plate positioned above the placing bottom plate, wherein the top of the placing bottom plate is hinged with two U-shaped supporting seats, the inner walls of the two sides of the two U-shaped supporting seats are respectively provided with a rotating groove, the two rotating grooves on the same U-shaped supporting seat are internally and rotatably provided with the same rotating shaft, the outer sides of the two rotating shafts are respectively and fixedly provided with a connecting plate, the top of the two connecting plates are respectively hinged with the bottom of the placing top plate, the two sides of the U-shaped supporting seats are respectively provided with a rectangular clamping hole, the two rotating shafts are respectively provided with a rectangular insertion hole, a rectangular insertion rod is respectively and slidably arranged in the two rectangular insertion holes, one end of each rectangular insertion rod is clamped with the corresponding rectangular clamping hole, a rectangular clamping rod is clamped in the rectangular insertion hole and is slidably connected with the side wall of, the top of the placing bottom plate is fixedly provided with a magnet.

Preferably, the connecting hole has all been seted up in the outside of two axis of rotation, and two connecting holes are linked together with two rectangle jacks respectively, and the equal fixed mounting in bottom of two rectangle inserted bars has the extrusion piece, and one side fixed mounting of extrusion piece has reset spring's one end, and reset spring's the other end and the lateral wall fixed connection of the connecting hole that corresponds.

Preferably, the restriction groove has all been seted up with the bottom at the top of two rectangle kellies, and equal fixed mounting has the restriction piece on the top inner wall in rectangle card hole and the bottom inner wall, the lateral wall sliding connection in restriction piece and the restriction groove that corresponds.

Preferably, the outer sides of the two rectangular clamping rods are respectively provided with a plug board in a sliding manner, one side of each of the two U-shaped supporting seats is respectively and fixedly provided with a fixed plate, the tops of the two fixed plates are respectively provided with a slot, and the two plug boards are respectively clamped with the two slots.

Preferably, the spread groove has all been seted up to one side of two picture pegs, the outside of two rectangle kellies respectively with the lateral wall sliding connection of two spread grooves, equal fixed mounting has vertical guide arm in two spread grooves, rectangle kellies and vertical guide arm sliding connection, the outside cover of vertical guide arm is equipped with the pressure spring, the one end of pressure spring and the bottom fixed connection of rectangle kellies, the other end of pressure spring and the bottom inner wall fixed connection of spread groove.

Compared with the prior art, the utility model has the advantages of:

(1) when the scheme is used, the two inserting plates are used for extruding the two pressure springs to separate from the two inserting grooves, then the two inserting plates are pulled, the inserting plates drive the two rectangular clamping rods to separate from the two rectangular inserting holes, the limiting effect of the two rectangular clamping rods on the rectangular inserting rods is relieved, the reset springs relieve the contraction state to drive the extrusion block to reset leftwards, the extrusion block drives the rectangular inserting rods to reset leftwards, the rectangular inserting rods are separated from the corresponding rectangular clamping holes, the two rotating shafts are relieved from being fixed, the two rotating shafts can rotate, then the top plate is pressed downwards to be placed, the two connecting plates and the two U-shaped supporting seats are folded, the bottom of the iron block is adsorbed to the magnet, and the stability after the;

(2) the utility model discloses be convenient for fold, reduce occupation space, it is all very convenient to transport, carry, accomodate, simple structure, convenient to use.

Drawings

Fig. 1 is a schematic structural view of a mathematical modeling model teaching display device provided by the utility model;

fig. 2 is a schematic view of a folded state structure of the mathematical modeling model teaching display device provided by the utility model;

fig. 3 is a schematic side view of the mathematical modeling model teaching display device of the present invention;

fig. 4 is a schematic structural diagram of a part a of the mathematical modeling model teaching display device provided by the present invention;

fig. 5 is the utility model provides a mathematical modeling model teaching display device's U-shaped supporting seat and the spatial structure schematic diagram of rotation axis connection.

In the figure: the device comprises a base plate 1, a top plate 2, a 3U-shaped supporting seat, a 4 rotating groove, a 5 rotating shaft, a 6 connecting plate, a 7 iron block, a 8 magnet, a 9 rectangular jack, a 10 rectangular inserted bar, a 11 rectangular clamping hole, a 12 rectangular clamping bar, a 13 inserted plate, a 14 fixing plate, a 15 slot and a 16 pressure spring.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Example one

Referring to fig. 1-5, a mathematical modeling model teaching display device comprises a placing bottom plate 1 and a placing top plate 2 positioned above the placing bottom plate 1, the top of the placing bottom plate 1 is hinged with two U-shaped supporting seats 3, the inner walls of the two sides of the two U-shaped supporting seats 3 are both provided with a rotating groove 4, the two rotating grooves 4 positioned on the same U-shaped supporting seat 3 are rotatably provided with the same rotating shaft 5, the outer sides of the two rotating shafts 5 are both fixedly provided with connecting plates 6, the top of the two connecting plates 6 are both hinged with the bottom of the placing top plate 2, the two sides of the U-shaped supporting seat 3 are both provided with rectangular clamping holes 11, the two rotating shafts 5 are both provided with rectangular insertion holes 9, rectangular insertion rods 10 are both slidably mounted in the two rectangular insertion holes 9, one end of each rectangular insertion rod 10 is clamped with the corresponding rectangular clamping hole 11, and the, rectangle kelly 12 and the lateral wall sliding connection of the rectangle card hole 11 that corresponds, the bottom fixed mounting who places roof 2 has iron plate 7, and the top fixed mounting who places bottom plate 1 has magnet 8, and when rectangle kelly 12 card advanced rectangle jack 9 in, can fix axis of rotation 5, and then made axis of rotation 5 unable rotation to fix connecting plate 6 and U-shaped supporting seat 3's position.

In this embodiment, the connecting hole has all been seted up in the outside of two axis of rotation 5, and two connecting holes are linked together with two rectangle jacks 9 respectively, and the equal fixed mounting in bottom of two rectangle inserted bars 10 has the extrusion piece, and one side fixed mounting of extrusion piece has reset spring's one end, and reset spring's the other end and the lateral wall fixed connection of the connecting hole that corresponds, reset spring carry out spacing and reseing to the extrusion piece, and then carry out spacing and reseing to rectangle inserted bar 10.

In this embodiment, the restriction groove has all been seted up with the bottom at the top of two rectangle kellies 12, and equal fixed mounting has the restriction piece on the top inner wall of rectangle calorie hole 11 and the bottom inner wall, the lateral wall sliding connection in restriction piece and the restriction groove that corresponds, and restriction piece and restriction groove restrict the distance that rectangle kellies 12 removed.

In this embodiment, the outer sides of the two rectangular clamping bars 12 are respectively provided with the inserting plate 13 in a sliding manner, one side of each of the two U-shaped supporting seats 3 is provided with the fixing plate 14 in a fixed manner, the top of each of the two fixing plates 14 is provided with the slot 15, the two inserting plates 13 are respectively clamped with the two slots 15, and the inserting plates 13 are inserted into the slots 15 to fix the rectangular clamping bars 12.

In this embodiment, the spread groove has all been seted up to one side of two picture pegs 13, the outside of two rectangle kellies 12 respectively with the lateral wall sliding connection of two spread grooves, equal fixed mounting has vertical guide arm in two spread grooves, rectangle kellies 12 and vertical guide arm sliding connection, the outside cover of vertical guide arm is equipped with pressure spring 16, the one end of pressure spring 16 and the bottom fixed connection of rectangle kellies 12, the other end of pressure spring 16 and the bottom inner wall fixed connection of spread groove, pressure spring 16 carries on spacingly to picture peg 13, make it can not remove at will.

Example two

Referring to fig. 1-5, a mathematical modeling model teaching display device comprises a placing bottom plate 1 and a placing top plate 2 located above the placing bottom plate 1, wherein the top of the placing bottom plate 1 is hinged with two U-shaped supporting seats 3, the inner walls of the two sides of the two U-shaped supporting seats 3 are respectively provided with a rotating groove 4, the two rotating grooves 4 on the same U-shaped supporting seat 3 are rotatably provided with the same rotating shaft 5, the outer sides of the two rotating shafts 5 are respectively fixedly provided with a connecting plate 6 through bolts, the top of the two connecting plates 6 are respectively hinged with the bottom of the placing top plate 2, the two sides of the U-shaped supporting seat 3 are respectively provided with a rectangular clamping hole 11, the two rotating shafts 5 are respectively provided with a rectangular insertion hole 9, a rectangular insertion rod 10 is respectively and slidably arranged in the two rectangular insertion holes 9, one end of the rectangular insertion rod 10 is clamped with the corresponding rectangular clamping, rectangle kelly 12 and the lateral wall sliding connection of the rectangle card hole 11 that corresponds, the bottom of placing roof 2 has iron plate 7 through bolt fixed mounting, and the top of placing bottom plate 1 has magnet 8 through bolt fixed mounting, and when rectangle kelly 12 card advanced rectangle jack 9 in, can fix axis of rotation 5, and then made axis of rotation 5 unable rotation to fix the position of connecting plate 6 and U-shaped supporting seat 3.

In this embodiment, the connecting hole has all been seted up in the outside of two axis of rotation 5, two connecting holes are linked together with two rectangle jacks 9 respectively, there is the extrusion piece bottom all through bolt fixed mounting two rectangle inserted bars 10, there is reset spring's one end one side through bolt fixed mounting of extrusion piece, reset spring's the other end and the lateral wall fixed connection of the connecting hole that corresponds, reset spring carries on spacingly and resets to the extrusion piece, and then carries on spacingly and reset to rectangle inserted bar 10.

In this embodiment, the restriction groove has all been seted up with the bottom at the top of two rectangle kellies 12, all has the restriction piece through bolt fixed mounting on the top inner wall of rectangle calorie hole 11 and the bottom inner wall, the lateral wall sliding connection in restriction piece and the restriction groove that corresponds, and restriction piece and restriction groove restrict the distance that rectangle kellies 12 removed.

In this embodiment, the outer sides of the two rectangular clamping bars 12 are all slidably mounted with the inserting plates 13, one sides of the two U-shaped supporting seats 3 are all fixedly mounted with the fixing plates 14 through bolts, the top parts of the two fixing plates 14 are all provided with the slots 15, the two inserting plates 13 are respectively clamped with the two slots 15, and the inserting plates 13 are inserted into the slots 15 and can fix the rectangular clamping bars 12.

In this embodiment, the spread groove has all been seted up to one side of two picture pegs 13, the outside of two rectangle kellies 12 respectively with the lateral wall sliding connection of two spread grooves, all there is vertical guide arm through bolt fixed mounting in two spread grooves, rectangle kellies 12 and vertical guide arm sliding connection, the outside cover of vertical guide arm is equipped with pressure spring 16, the one end of pressure spring 16 and the bottom fixed connection of rectangle kellies 12, the other end of pressure spring 16 and the bottom inner wall fixed connection of spread groove, pressure spring 16 is spacing to picture peg 13, make it can not remove at will.

In the embodiment, when in use, the mathematical modeling model is placed on the top of the top plate 2 for display, and after use, the two inserting plates 13 are pulled upwards, so that the two inserting plates 13 extrude the two pressure springs 16 to separate from the two slots 15, then pulling the two inserting plates 13, the inserting plates 13 drive the two rectangular clamping rods 12 to be separated from the two rectangular inserting holes 9, at the moment, the limiting effect of the two rectangular clamping rods 12 on the rectangular inserting rods 10 is relieved, the contraction state of the reset spring is relieved, the extrusion block is driven to reset leftwards, the extrusion block drives the rectangular inserting rods 10 to reset leftwards, the rectangular inserting rods 10 are separated from the corresponding rectangular clamping holes 11, and then the fixing of the two rotation shafts 5 is released so that the two rotation shafts 5 can be rotated, and then the set top plate 2 is pressed downward, two connecting plates 6 and two U-shaped supporting seats 3 are folded, so that the bottom of the iron block 7 is adsorbed by the magnet 8, and the stability after folding is improved.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. The mathematical modeling model teaching display device comprises a placing bottom plate (1) and a placing top plate (2) positioned above the placing bottom plate (1), and is characterized in that the top of the placing bottom plate (1) is hinged with two U-shaped supporting seats (3), the inner walls of two sides of the two U-shaped supporting seats (3) are respectively provided with a rotating groove (4), the two rotating grooves (4) positioned on the same U-shaped supporting seat (3) are rotatably provided with the same rotating shaft (5), the outer sides of the two rotating shafts (5) are respectively and fixedly provided with a connecting plate (6), the tops of the two connecting plates (6) are respectively hinged with the bottom of the placing top plate (2), the two sides of the U-shaped supporting seats (3) are respectively provided with a rectangular clamping hole (11), the two rotating shafts (5) are respectively provided with a rectangular jack (9), and rectangular inserted rods (10) are respectively and slidably mounted in, the one end of rectangle inserted bar (10) and the rectangle card hole (11) looks joint that corresponds, clamp in rectangle jack (9) and adorn rectangle kelly (12), rectangle kelly (12) and the lateral wall sliding connection of the rectangle card hole (11) that corresponds, the bottom fixed mounting who places roof (2) has iron plate (7), and the top fixed mounting who places bottom plate (1) has magnet (8).

2. The mathematical modeling model teaching demonstration device according to claim 1, wherein the two rotating shafts (5) are provided with connecting holes on the outer sides, the two connecting holes are respectively communicated with the two rectangular insertion holes (9), the bottoms of the two rectangular insertion rods (10) are fixedly provided with extrusion blocks, one side of each extrusion block is fixedly provided with one end of a return spring, and the other end of each return spring is fixedly connected with the side wall of the corresponding connecting hole.

3. The mathematical modeling model teaching display device according to claim 1, wherein the top and bottom of the two rectangular clamping rods (12) are both provided with a limiting groove, the top inner wall and the bottom inner wall of the rectangular clamping hole (11) are both fixedly provided with a limiting block, and the limiting blocks are slidably connected with the side wall of the corresponding limiting groove.

4. The mathematical modeling model teaching demonstration device according to claim 1, wherein the outsides of the two rectangular clamping bars (12) are slidably provided with the insertion plates (13), one side of each of the two U-shaped supporting seats (3) is fixedly provided with the fixing plate (14), the tops of the two fixing plates (14) are provided with the insertion slots (15), and the two insertion plates (13) are respectively clamped with the two insertion slots (15).

5. The mathematical modeling model teaching display device according to claim 4, wherein one side of two insertion plates (13) is provided with a connecting groove, the outer sides of two rectangular clamping rods (12) are respectively connected with the side walls of the two connecting grooves in a sliding manner, a vertical guide rod is fixedly mounted in each of the two connecting grooves, the rectangular clamping rods (12) are connected with the vertical guide rods in a sliding manner, a pressure spring (16) is sleeved on the outer side of each vertical guide rod, one end of the pressure spring (16) is fixedly connected with the bottom of the rectangular clamping rod (12), and the other end of the pressure spring (16) is fixedly connected with the inner wall of the bottom of the connecting groove.