CN210983930U - Space coordinate instant demonstration device convenient to use in advanced mathematics - Google Patents

Abstract

The utility model discloses an instant presentation device of space coordinate convenient to use among higher mathematics, including bottom plate, demonstration shell and demonstration light, the top fixed mounting of bottom plate has the pivot, and the top fixed mounting of pivot has the demonstration shell, demonstration light has been seted up in the front of demonstration shell, the bottom both sides of demonstration shell have all been seted up and have been inlayed the hole, the through-hole has been seted up to the bottom of bottom plate, and the inside of through-hole is inserted and is equipped with and inlay the stick, the bottom fixed mounting who inlays the stick has the turning block, the bucket groove has been seted up to the both sides of bottom plate, and the inside of bucket groove is inserted and is equipped with the baffle. The utility model discloses a be provided with bottom plate and baffle, the convenience is protected the demonstration shell, avoids the demonstration shell to receive the striking of external force and the damage that causes, makes the life of demonstration shell more of a specified duration, and pivot and inserted bar can make the demonstration shell take place to rotate, and it is more convenient to make people watch the demonstration shell, makes the effect of presenting of demonstration shell more three-dimensional, convenient to use.

Description

Space coordinate instant demonstration device convenient to use in advanced mathematics

Technical Field

The utility model relates to a teaching auxiliary appliances field specifically is a convenient space coordinate instant presentation device who uses in advanced mathematics.

Background

The spatial rectangular coordinate is a numerical axis formed by three mutually perpendicular lines through an origin and has the same numerical value, in order to facilitate the transformation of the spatial coordinate, a coordinate system for describing the image point in the image space position, namely an image space coordinate system, needs to be established, and a spatial coordinate system vector in advanced mathematics is a difficult problem, and how to effectively solve the teaching problem is a difficult problem.

According to the instant presentation device of space coordinate who conveniently uses in advanced mathematics that chinese patent CN201821762626.6 provided, "provide the instant presentation device of space coordinate who conveniently uses in advanced mathematics, can lively the calculation of space coordinate of two or more points of audio-visual demonstration, with low costs portable", but and when teaching, be unfavorable for most students to watch the teaching, it is comparatively inconvenient to use, and its structure is comparatively simple itself, the striking that device self received external force receives the damage easily, it is comparatively inconvenient to use, therefore need an instant presentation device of space coordinate who conveniently uses in advanced mathematics to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an instant presentation device of space coordinate who facilitates use among higher mathematics to the problem that is unfavorable for teaching and receives easily that proposes in solving above-mentioned background.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an instant presentation device of space coordinate convenient to use in higher mathematics, includes bottom plate, demonstration shell and demonstration light, the top fixed mounting of bottom plate has the pivot, and the top fixed mounting of pivot has the demonstration shell, demonstration light has been seted up in the front of demonstration shell, the bottom both sides of demonstration shell have all been seted up and have been inlayed the hole, the through-hole has been seted up to the bottom of bottom plate, and the inside of through-hole is inserted and is equipped with and inlay the stick, the bottom fixed mounting who inlays the stick has the commentaries on classics piece, the bucket groove has been seted up to the both sides of bottom plate, and the inside in bucket groove is inserted and is equipped with the baffle, the fixed orifices has been seted up to the side of baffle, the both ends fixed mounting of baffle has the dog.

Preferably, the bottom plate all has seted up the barrel groove all around, and the inner diameter in barrel groove equals with the outer wall diameter of baffle, the baffle constitutes slidingtype structure with the barrel groove.

Preferably, the diameter of the inner wall of the embedding hole is equal to the diameter of the outer wall of the embedded rod, the embedding hole is inserted into the embedded rod, and the embedding hole and the embedded rod form an embedded structure.

Preferably, the outer wall of the inserted bar is provided with external threads, the inner wall of the through hole is provided with internal threads, and the inserted bar and the through hole form threaded connection.

Preferably, the diameter of the outer wall of the fixing rod is equal to the diameter of the inner wall of the fixing hole, the fixing rod is inserted into the fixing hole, and the fixing rod and the fixing hole form an embedded structure.

Preferably, one end of the spring is fixedly welded with the fixing rod, the other end of the spring is fixedly welded with the bottom plate, and the spring and the fixing rod form an elastic structure.

Compared with the prior art, the beneficial effects of the utility model are that: this instant presentation device of space coordinate who facilitates use among higher mathematics is provided with bottom plate and baffle, and the convenience is protected the demonstration shell, avoids the demonstration shell to receive the striking of external force and the damage that causes, makes the life of demonstration shell more of a specified duration, and pivot and embedded rod can make the demonstration shell take place to rotate, and it is more convenient to make people watch the demonstration shell, and the presentation effect that makes the demonstration shell is more three-dimensional, convenient to use.

1. The device is provided with baffle and bottom plate, the baffle can be protected around demonstrating the shell, avoid demonstrating the shell and receive the damage, stimulate the fixed rod afterwards, make the fixed rod break away from the inside of fixed orifices, baffle can slide afterwards, make the baffle slide in the inside of barrel groove, loosen the fixed rod afterwards, make the spring drive the fixed rod and imbed the inside of another group's fixed orifices and fix, can make baffle and dog support demonstrating the shell, the use of convenient demonstration shell, high durability and convenient use.

2. The device is provided with pivot and inserted bar, rotates the commentaries on classics piece, and the commentaries on classics piece drives the inserted bar and rotates, can make the inserted bar break away from the inside in embedded hole through helicitic texture, can make demonstration shell take place to rotate afterwards, can make demonstration shell pivoted more convenient, conveniently carries out all-round show to the demonstration shell, the personnel of being convenient for more watch and study, convenient to use.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic top view of the cross-sectional structure of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a base plate; 2. a rotating shaft; 3. a demonstration shell; 4. demonstrating lamplight; 5. embedding holes; 6. embedding a rod; 7. a through hole; 8. rotating the block; 9. a baffle plate; 10. a fixing rod; 11. a spring; 12. a fixing hole; 13. a barrel groove; 14. and a stop block.

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. 1-3, the present invention provides an embodiment:

a space coordinate instant demonstration device convenient to use in advanced mathematics comprises a bottom plate 1, a demonstration shell 3 and demonstration light 4, wherein a rotating shaft 2 is fixedly installed at the top end of the bottom plate 1, the demonstration shell 3 is fixedly installed at the top end of the rotating shaft 2, the demonstration light 4 is arranged on the front surface of the demonstration shell 3, embedding holes 5 are formed in two sides of the bottom end of the demonstration shell 3, a through hole 7 is formed in the bottom end of the bottom plate 1, an embedded rod 6 is inserted in the through hole 7, external threads are arranged on the outer wall of the embedded rod 6, internal threads are arranged on the inner wall of the through hole 7, the embedded rod 6 is in threaded connection with the through hole 7, the embedded rod 6 is rotated, the embedded rod 6 can move in the through hole 7 through a threaded structure, then the embedded rod 6 can lift, the embedded rod 6 can be further supported on the demonstration shell 3, and the situation that the demonstration shell 3, the demonstration shell 3 has better placing effect and convenient use.

The inner wall diameter of caulking hole 5 equals with the outer wall diameter size of inserted bar 6, and the inserted hole 5 is inserted and is established in the inside of inserted bar 6, inlays hole 5 and constitutes embedded structure with inserted bar 6, when inserted bar 6 breaks away from the inside of inserted hole 5, can conveniently demonstrate that shell 3 takes place to rotate, and then makes demonstration shell 3 can carry out all-round show, makes things convenient for the teaching work of demonstration shell 3, easy operation, convenient to use.

Bottom fixed mounting of embedded rod 6 has a commentaries on classics piece 8, bucket groove 13 has been seted up to the both sides of bottom plate 1, and the inside of bucket groove 13 is inserted and is equipped with baffle 9, bucket groove 13 has all been seted up all around to bottom plate 1, and the inner diameter of bucket groove 13 and the outer wall diameter of baffle 9 equal, baffle 9 constitutes slidingtype structure with bucket groove 13, baffle 9 can protect around demonstration shell 3, avoid demonstration shell 3 to receive the striking of external force and receive the damage, make demonstration shell 3's life more of a specified duration, the convenience is carried demonstration shell 3 simultaneously, the protectiveness is good, high durability and convenient use.

Fixed orifices 12 have been seted up to the side of baffle 9, baffle 9's both ends fixed mounting has dog 14, bottom plate 1's left side is inserted and is equipped with fixed rod 10, the outer wall diameter of fixed rod 10 equals with the inner wall diameter size of fixed orifices 12, fixed rod 10 is inserted and is established the inside at fixed orifices 12, fixed rod 10 constitutes embedded structure with fixed orifices 12, when fixed rod 10 imbeds the inside of fixed orifices 12, can fix the position of baffle 9, make things convenient for baffle 9 to protect or support work, and easy operation, the effect that makes demonstration shell 3's protectiveness and support show is better, high durability and convenient use.

The outer wall of fixed rod 10 has cup jointed the one end and the fixed welding of fixed rod 10 of spring 11, the other end and the fixed welding of bottom plate 1 of spring 11, spring 11 constitutes elastic construction with fixed rod 10, stimulate fixed rod 10, make fixed rod 10 break away from the inside of fixed orifices 12, slide baffle 9 at any time, it slides to make baffle 9 drive dog 14, make dog 14 laminate with bottom plate 1 afterwards, loosen fixed rod 10, spring 11 drives fixed rod 10 and imbeds the inside of fixed orifices 12 and fixes, can make baffle 9 support demonstration shell 3, thereby make demonstration shell 3 conveniently rotate and demonstrate, the operation is simple, high durability and convenient use.

The working principle is as follows: during the use, baffle 9 can protect around demonstration shell 3, avoid demonstration shell 3 to receive the damage, stimulate fixed rod 10 afterwards, make fixed rod 10 break away from the inside of fixed orifices 12, baffle 9 can slide afterwards, make baffle 9 slide in the inside of bucket groove 13, loosen fixed rod 10 afterwards, make spring 11 drive fixed rod 10 and imbed the inside of another group's fixed orifices 12 and fix, can make baffle 9 and dog 14 support demonstration shell 3, conveniently demonstrate the use of shell 3, high durability and convenient use.

The rotating block 8 is rotated, the rotating block 8 drives the embedded rod 6 to rotate, the embedded rod 6 can be separated from the inside of the embedded hole 5 through the threaded structure, then the demonstration shell 3 can be rotated, the demonstration shell 3 can be conveniently displayed in all directions, people can watch and learn more conveniently, the teaching effect of the demonstration shell 3 is better, and the use is convenient.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides an instant presentation device of space coordinate convenient to use among higher mathematics, includes bottom plate (1), demonstration shell (3) and demonstration light (4), its characterized in that: the top end of the bottom plate (1) is fixedly provided with a rotating shaft (2), the top end of the rotating shaft (2) is fixedly provided with a demonstration shell (3), the front surface of the demonstration shell (3) is provided with demonstration lamplight (4), both sides of the bottom end of the demonstration shell (3) are provided with embedding holes (5), the bottom end of the bottom plate (1) is provided with through holes (7), an embedded rod (6) is inserted in the through hole (7), a rotating block (8) is fixedly arranged at the bottom end of the embedded rod (6), barrel grooves (13) are arranged on two sides of the bottom plate (1), a baffle plate (9) is inserted in the barrel groove (13), a fixing hole (12) is arranged on the side surface of the baffle plate (9), both ends fixed mounting of baffle (9) has dog (14), fixed rod (10) are inserted in the left side of bottom plate (1), and the outer wall of fixed rod (10) has cup jointed spring (11).

2. The spatial coordinate instant presentation device convenient for use in higher mathematics as claimed in claim 1, wherein: barrel grooves (13) are formed in the periphery of the bottom plate (1), the inner diameter of each barrel groove (13) is equal to the diameter of the outer wall of the baffle (9), and the baffle (9) and the barrel grooves (13) form a sliding type structure.

3. The spatial coordinate instant presentation device convenient for use in higher mathematics as claimed in claim 1, wherein: the diameter of the inner wall of the embedded hole (5) is equal to the diameter of the outer wall of the embedded rod (6), the embedded hole (5) is inserted into the embedded rod (6), and the embedded hole (5) and the embedded rod (6) form an embedded structure.

4. The spatial coordinate instant presentation device convenient for use in higher mathematics as claimed in claim 1, wherein: the outer wall of inserted bar (6) is provided with the external screw thread, the inner wall of through-hole (7) is provided with the internal thread, inserted bar (6) and through-hole (7) constitution threaded connection.

5. The spatial coordinate instant presentation device convenient for use in higher mathematics as claimed in claim 2, wherein: the diameter of the outer wall of the fixing rod (10) is equal to the diameter of the inner wall of the fixing hole (12), the fixing rod (10) is inserted into the fixing hole (12), and the fixing rod (10) and the fixing hole (12) form an embedded structure.

6. The spatial coordinate instant presentation device convenient for use in higher mathematics as claimed in claim 2, wherein: one end of the spring (11) is fixedly welded with the fixing rod (10), the other end of the spring (11) is fixedly welded with the bottom plate (1), and the spring (11) and the fixing rod (10) form an elastic structure.

Images