CN210721976U

CN210721976U - Mathematical graph demonstration device

Info

Publication number: CN210721976U
Application number: CN201921847529.1U
Authority: CN
Inventors: 叶金玲; 胡阳德
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-06-09
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses a mathematical graph demonstration device, which comprises a base, wherein the base is provided with two, the top parts of the two bases are connected with vertically arranged support rods, two slide sleeves are respectively sleeved on the support rods in a sliding way, the top parts of the two slide sleeves are respectively connected with a connecting plate, a clamping bolt fixed on the support rods is connected on the connecting plate in a threaded way, one side, close to each other, of the two slide sleeves is respectively rotatably connected with a transversely arranged rotating rod, a transversely arranged barrel is connected between the two rotating rods, panels in matrix distribution are fixed on the outer wall of the barrel along the circumferential direction, a fixed block in matrix distribution is fixed on the outer ring of one rotating rod along the circumferential direction, the clamping rods with T-shaped structures are movably connected on the fixed block, thereby the relative height of the panels can be changed, the panels can meet the requirements of users, and the rotatable, make it fully prepare before can carrying out the class according to the demand, reduce the writing time of classroom, after convenient explanation simultaneously, the record of the classmate of being convenient for makes its better actual teaching demand of satisfying.

Description

Mathematical graph demonstration device

Technical Field

The utility model relates to a mathematical education technical field specifically is a mathematical graph presentation device.

Background

In the mathematical education process, some formulas need to be explained aiming at the graph, the limited blackboard surface is not enough to fully explain the same body type, and some records after the explanation are easily wiped off, so that the student is inconvenient to record notes after listening to the explanation.

The support of its single structure and the panel of fixed size, unable fine satisfied actual teaching demand influence the teaching effect, for this reason we have proposed a mathematical graph presentation device.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a mathematical graph presentation device has solved the fixity of panel, makes it have the multiaspect, and the convenience suits with the actual teaching, makes its better satisfied teaching demand.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a mathematics figure presentation device, includes the base, the base is provided with two, two the top of base all is connected with the bracing piece of vertical setting, two equal slip cap on the bracing piece is equipped with the sliding sleeve, two the top of sliding sleeve all is connected with the connecting plate, threaded connection has the gim peg of fixing on the bracing piece on the connecting plate, two one side that the sliding sleeve is close to each other all rotates the bull stick that is connected with horizontal setting, two be connected with the barrel of horizontal setting between the bull stick, be fixed with the panel that is matrix distribution, one along circumference on the outer wall of barrel the outer lane of bull stick is fixed with the fixed block that is matrix distribution along its circumference, swing joint has the kelly of T type structure on the fixed block, and the tip activity joint of kelly is on the outer wall of sliding.

Preferably, the side wall of the supporting rod is provided with positioning holes which are arranged at equal intervals along the height direction of the supporting rod, the inner wall of each positioning hole is provided with internal threads, and the clamping bolt is in threaded connection with the inner wall of each positioning hole.

Preferably, two the sliding sleeve all is the rectangle structure, two the mounting groove has all been seted up to one side that the sliding sleeve is close to each other, the fixed cover of inner wall of mounting groove is equipped with the bearing, and the fixed cover of one end of bull stick establishes the inner circle at the bearing.

Preferably, the four fixing blocks correspond to the four panels, and the fixing blocks are located in the middle of one end of the corresponding panel.

Preferably, one side of one sliding sleeve is provided with a clamping hole, and one end of the clamping rod movably extending out of the fixing block is clamped in the clamping hole.

(III) advantageous effects

The utility model provides a mathematical graph presentation device. The method has the following beneficial effects:

(1) through the sliding sleeve that can slide from top to bottom along the bracing piece that sets up to can change the relative height of panel, make it accord with user's demand.

(2) Through the rotatable polylith panel that sets up, make it can carry out the preceding abundant preparation of class according to the demand, reduce the writing time of classroom, after convenient the explanation simultaneously, the record of the classmate of being convenient for makes its better actual teaching demand of satisfying.

Drawings

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

FIG. 2 is a schematic side view of the connection between the barrel and the panel according to the present invention;

fig. 3 is a schematic side view of the sliding sleeve in fig. 1.

In the figure: 1 base, 2 bracing pieces, 3 sliding sleeves, 4 connecting plates, 5 bolts, 6 bull sticks, 7 barrels, 8 panels, 9 fixed blocks, 10 kellies, 11 locating holes, 12 mounting grooves, 13 card holes.

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 a technical solution: a mathematical graph demonstration device comprises a base 1, wherein the base 1 is provided with two bases, the top parts of the two bases 1 are respectively connected with a vertically arranged support rod 2, the two support rods 2 are respectively sleeved with a sliding sleeve 3 in a sliding way, the top parts of the two sliding sleeves 3 are respectively connected with a connecting plate 4, a clamping bolt 5 fixed on the support rod 2 is connected on the connecting plate 4 through screw threads, one side of the two sliding sleeves 3 close to each other is rotatably connected with a transverse rotating rod 6, a transverse barrel 7 is connected between the two rotating rods 6, the outer wall of the cylinder body 7 is circumferentially fixed with panels 8 which are distributed in a matrix manner, the outer ring of one rotating rod 6 is circumferentially fixed with fixed blocks 9 which are distributed in a matrix manner, the fixed block 9 is movably connected with a clamping rod 10 with a T-shaped structure, and the end part of the clamping rod 10 is movably clamped on the outer wall of the sliding sleeve 3.

In order to fix the sliding sleeve 3 conveniently, the locating hole 11 that the equidistance set up is seted up along its direction of height on the lateral wall of bracing piece 2, the internal thread has been seted up to the inner wall of locating hole 11, the inner wall threaded connection of bayonet 5 and locating hole 11 to can slide the assigned position back along bracing piece 2 at sliding sleeve 3, through rotating bayonet 5, make 5 threaded connection of bayonet in locating hole 11, thereby prescribe a limit to sliding sleeve 3, thereby adjusted the height of panel 8, make it satisfy user's demand.

For better conversion panel 8, two sliding sleeve 3 all is the rectangle structure, two mounting groove 12 has all been seted up to one side that sliding sleeve 3 is close to each other, the fixed cover of inner wall of mounting groove 12 is equipped with the bearing, and the fixed inner circle of establishing at the bearing of the cover of one end of bull stick 6, therefore can make barrel 8 take place to rotate to conversion to different panels 8 accords with the actual teaching demand, and the synchronous teaching of a plurality of panels 8, and the explanation is more clear, the student's record of being more convenient for makes things convenient for the teacher to arrange the teaching mode in advance.

For the convenience of rotating the back and prescribing a limit to barrel 7, four fixed block 9 is with four the panel 8 is corresponding, fixed block 9 is located correspondingly the centre department of 8 one ends of panel, one card hole 13 has been seted up to one side of sliding sleeve 3, the one end joint that fixed block 9 was stretched out in the activity of kelly 10 is in card hole 13, therefore after required panel 8 rotated the assigned position, its corresponding fixed block 9 can make kelly 10 insert to make kelly 10 joint to sliding sleeve 3 one side in the card hole 13, be convenient for prescribe a limit, make its panel 3 the front just to the student, convenient teaching.

The working principle is as follows: firstly, a teacher can realize the arrangement before class on different panels 8 according to teaching requirements, thereby facilitating the teaching use, different panels can better meet the teaching requirements, when in explanation, firstly, the sliding sleeve 3 can be lifted to a certain height along the supporting rod 2 according to the requirements, then the sliding sleeve is fixed in the positioning hole 11 through the clamping bolt 5, the limitation on the sliding sleeve 3 is completed, the panels 8 meet the use requirements, when the panels need to be switched in the teaching, only the clamping rod 10 needs to be pulled out, then the barrel 7 naturally rotates for 90 degrees, the adjacent panels 8 can be just opposite to students, then the clamping rod 10 is inserted into the fixing block 9 corresponding to the panel 8, thereby being clamped into the clamping hole 13 at one side of the sliding sleeve 3, the rotation can not happen, the teaching is convenient, the relative height of the panels can be changed, the panels can meet the requirements of users, and the rotatable panels can be rotated, make it fully prepare before can carrying out the class according to the demand, reduce the writing time of classroom, after convenient explanation simultaneously, the record of the classmate of being convenient for makes its better actual teaching demand of satisfying.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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. A mathematical figure demonstration apparatus comprising a base (1), characterized in that: the base (1) is provided with two, the top of the two bases (1) is connected with vertically arranged support rods (2), the two support rods (2) are sleeved with sliding sleeves (3) in a sliding manner, the top of the two sliding sleeves (3) is connected with a connecting plate (4), the connecting plate (4) is in threaded connection with a clamping bolt (5) fixed on the support rods (2), one side, close to each other, of the two sliding sleeves (3) is rotatably connected with a transverse rotating rod (6), a transverse barrel body (7) is connected between the two rotating rods (6), a panel (8) distributed in a matrix manner is fixed on the outer wall of the barrel body (7) along the circumferential direction, a fixed block (9) distributed in a matrix manner is fixed on the outer ring of one rotating rod (6) along the circumferential direction, and a clamping rod (10) of a T-shaped structure is movably connected on the fixed block (9), and the end part of the clamping rod (10) is movably clamped on the outer wall of the sliding sleeve (3).

2. A mathematical graphic presentation device as claimed in claim 1, wherein: locating hole (11) that the equidistance set up are seted up along its direction of height on the lateral wall of bracing piece (2), the internal thread has been seted up to the inner wall of locating hole (11), the inner wall threaded connection of gim peg (5) and locating hole (11).

3. A mathematical graphic presentation device as claimed in claim 1, wherein: two sliding sleeve (3) all are the rectangle structure, two mounting groove (12) have all been seted up to one side that sliding sleeve (3) are close to each other, the fixed cover of inner wall of mounting groove (12) is equipped with the bearing, and the fixed inner circle of establishing at the bearing of the one end cover of bull stick (6).

4. A mathematical graphic presentation device as claimed in claim 1, wherein: the four fixing blocks (9) correspond to the four panels (8), and the fixing blocks (9) are located in the middle of one end of each corresponding panel (8).

5. A mathematical graphic presentation device as claimed in claim 1, wherein: one sliding sleeve (3) is provided with a clamping hole (13) on one side, and one end of the clamping rod (10) movably extending out of the fixing block (9) is clamped in the clamping hole (13).