CN214449846U

CN214449846U - Mathematics teaching is with supplementary teaching device

Info

Publication number: CN214449846U
Application number: CN202120419335.2U
Authority: CN
Inventors: 尧青阳; 程玮; 徐雪群
Original assignee: Jiangxi Modern Polytechnic College
Current assignee: Jiangxi Modern Polytechnic College
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-10-22
Anticipated expiration: 2031-02-25

Abstract

The invention discloses an auxiliary teaching device for mathematical teaching, which belongs to the field of auxiliary devices for mathematical teaching and comprises a cross fixing frame and a rotating arm, wherein a plurality of fixed suckers are installed on the cross fixing frame, two first sliding grooves are formed in the cross fixing frame, the two first sliding grooves are mutually perpendicular and intersected, the rotating arm is arranged on the cross fixing frame, a first sliding block is arranged on the rotating arm, the two first sliding blocks are respectively and movably installed in the two first sliding grooves, a first installation block is installed on the rotating arm, and a writing head is installed on the first installation block; after the cross fixing frame is fixed on the blackboard through the fixed sucker, the two first sliding blocks and the first mounting block are adjusted to the needed positions and then the first bolt and the second bolt are locked to complete fixation, the rotating arm is pushed to rotate afterwards, the two first sliding blocks slide in the first sliding grooves where the two first sliding blocks are located respectively, and the writing head completes elliptic painting.

Description

Mathematics teaching is with supplementary teaching device

Technical Field

The utility model belongs to mathematical education auxiliary device field, concretely relates to mathematical education is with supplementary teaching device.

Background

Conventional and professional teaching aid is often used in current teaching, and the ellipsograph is a mathematics teaching aid commonly used, and current ellipsograph can not carry out fine regulation control according to the size that needs draw elliptical major axis and minor axis, does not operate well and the ellipsograph also can be accurate less drawing required size and size on the blackboard, disclose the ellipsograph that can adsorb and operate respectively on the blackboard now.

SUMMERY OF THE UTILITY MODEL

To prior art's not enough, this disclosed aim at provides a mathematics teaching is with supplementary teaching device, has solved among the prior art problem that the ellipsograph does not operate well on the blackboard.

The purpose of the disclosure can be realized by the following technical scheme:

an auxiliary teaching device for mathematical teaching comprises a cross fixing frame and a rotating arm, and is characterized in that a plurality of fixed suckers are mounted on the cross fixing frame, two first sliding grooves are formed in the cross fixing frame, the two first sliding grooves are mutually and vertically intersected, and the rotating arm is arranged on the cross fixing frame;

the rotary arm is provided with a first mounting chute and a second mounting chute, the first mounting chute is provided with a first mounting groove, the second mounting chute is provided with a second mounting groove, two first sliding blocks are movably mounted in the first mounting chute, the first sliding blocks are provided with first round tables, the first round tables are provided with first threaded holes, the rotary arm is provided with first bolts, the first bolts penetrate through the first mounting grooves and then are mounted in the first threaded holes to fix the first sliding blocks into the first mounting chute, and the two first sliding blocks are respectively movably mounted in the two first sliding grooves;

the movable mounting has first installation piece in the second installation spout, installs the writing head on the first installation piece, is equipped with the second screw hole on the first installation piece, is equipped with the second bolt on the swinging boom, and the second bolt passes behind the second mounting groove and installs and fix first installation piece to the second installation spout in the second screw hole.

Furthermore, first mounting holes are formed in two ends of the first sliding groove, first mounting columns are arranged on the fixed suckers and are installed in the first mounting holes, and first stop rings are arranged on the first mounting columns.

Further, a first scale strip is arranged on the side face of the first mounting groove, and a second scale strip is arranged on the second mounting groove.

Furthermore, a first thrust ring is arranged on the first circular truncated cone.

Further, a first mounting ring groove is formed in the first mounting block, a first fixing ring is arranged below the first mounting ring groove, a first locking ring is arranged above the first mounting ring groove, a first abutting surface is arranged on the first locking ring, the first fixing ring is provided with a V-shaped ring groove, the lower end surface of the second bolt abuts against the first locking ring, and the first abutting surface abuts against the V-shaped ring groove.

Furthermore, the first fixing ring is made of rubber.

Further, the first sliding block is a cuboid.

The beneficial effect of this disclosure:

the ellipsograph is adsorbed on the blackboard to facilitate the operation of personnel; meanwhile, the writing head can be conveniently and quickly fixed by the matching of the first abutting surface abutting against the V-shaped ring groove.

Drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

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

FIG. 2 is a schematic view of a cross mount portion according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of a rotating arm according to an embodiment of the present disclosure;

FIG. 4 is an exploded view of a rotating arm portion of an embodiment of the present disclosure;

FIG. 5 is an anatomical view of a first mounting block portion of an embodiment of the disclosure.

Detailed Description

The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

As shown in fig. 1-5, an auxiliary teaching device for mathematical education comprises a cross fixing frame 1 and a rotating arm 3, and is characterized in that a plurality of fixed suckers 2 are installed on the cross fixing frame 1, two first sliding grooves 11 are formed on the cross fixing frame 1, the two first sliding grooves 11 are mutually and vertically intersected, and the rotating arm 3 is arranged on the cross fixing frame 1;

a first mounting chute 31 and a second mounting chute 32 are formed in the rotating arm 3, a first mounting groove 33 is formed in the first mounting chute 31, a second mounting groove 34 is formed in the second mounting chute 32, two first sliding blocks 4 are movably mounted in the first mounting chute 31, a first round table 41 is arranged on each first sliding block 4, a first threaded hole 42 is formed in each first round table 41, a first bolt 5 is arranged on the rotating arm 3, the first bolt 5 penetrates through the first mounting groove 33 and then is mounted in the first threaded hole 42 to fix the first sliding block 4 in the first mounting chute 31, and the two first sliding blocks 4 are respectively movably mounted in the two first sliding grooves 11;

the interior movable mounting of second installation spout 32 has first installation piece 6, installs writing head 7 on the first installation piece 6, is equipped with second screw hole 61 on the first installation piece 6, is equipped with second bolt 8 on the swinging boom 3, and second bolt 8 passes behind the second mounting groove 34 and installs and fix first installation piece 6 to second installation spout 32 in second screw hole 61.

In some disclosures, first mounting hole 12 has been seted up on 11 both ends of first sliding tray, is equipped with first erection column 21 on the fixed suction cup 2, and first erection column 21 is installed in first mounting hole 12, is equipped with first stop ring 22 on the first erection column 21, and through such design, completion that can be swift is changed the installation of fixed suction cup 2, and first stop ring 22 can avoid first slider 4 roll-off first sliding tray 11 simultaneously.

In some disclosures, the first installation groove 33 is provided with a first scale bar 35 on the side surface, and the second installation groove 34 is provided with a second scale bar 36, so that the size parameter of the ellipse can be quickly and accurately adjusted.

In some disclosures, the first thrust ring 43 is disposed on the first circular truncated cone 41, and by such design, the sliding of the first sliding block 4 in the first sliding groove 11 can be smoother.

In some disclosures, first installation ring groove 62 has been seted up on first installation piece 6, first installation ring groove 62 below is equipped with first solid fixed ring 63, first installation ring groove 62 top is equipped with first lock ring 9, be equipped with first conflict face 91 on the first lock ring 9, first solid fixed ring 63 is equipped with V-arrangement annular 64, the lower terminal surface of second bolt 8 conflicts on first lock ring 9, first conflict face 91 conflicts on V-arrangement annular 64, through so design, can guarantee to conflict first lock ring 9 downwards when screwing up to fix first installation piece 6 through second bolt 8, first lock ring 9 is to conflict V-arrangement annular 64 down and is made first solid fixed ring 63 warp and accomplish the fixed to writing head 7.

In some disclosures, the first fixing ring 63 is made of rubber, and by such design, the deformation amount of the first fixing ring 63 can be ensured, so that the stability of fixing the writing tip 7 can be ensured.

In some disclosures, the first sliding block 4 is a cuboid, and by such design, the first sliding block 4 can only slide in the first sliding groove 11 in the vertical direction or the horizontal direction, and cannot slide into another first sliding groove 41 when passing through a place where the two first sliding grooves 41 intersect.

Principle of operation

After the cross fixing frame 1 is fixed on the blackboard through the fixed sucker 2, the two first sliding blocks 4 and the first mounting block 6 are adjusted to required positions and then the first bolt 5 and the second bolt 8 are locked to complete fixation, the rotating arm 3 is pushed to rotate afterwards, the two first sliding blocks 4 slide in the first sliding grooves 11 where the two first sliding blocks are respectively located, and the writing head 9 completes elliptic painting.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the disclosure. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing illustrates and describes the general principles, principal features, and advantages of the present disclosure. It will be understood by those skilled in the art that the present disclosure is not limited to the embodiments described above, which are presented solely for purposes of illustrating the principles of the disclosure, and that various changes and modifications may be made to the disclosure without departing from the spirit and scope of the disclosure, which is intended to be covered by the claims.

Claims

1. The auxiliary teaching device for the mathematical teaching comprises a cross fixing frame (1) and a rotating arm (3), and is characterized in that a plurality of fixed suckers (2) are installed on the cross fixing frame (1), two first sliding grooves (11) are formed in the cross fixing frame (1), the two first sliding grooves (11) are mutually perpendicular and intersected, and the rotating arm (3) is arranged on the cross fixing frame (1);

the rotating arm (3) is provided with a first mounting chute (31) and a second mounting chute (32), the first mounting chute (31) is provided with a first mounting groove (33), the second mounting chute (32) is provided with a second mounting groove (34), two first sliding blocks (4) are movably mounted in the first mounting chute (31), the first sliding blocks (4) are provided with first round tables (41), the first round tables (41) are provided with first threaded holes (42), the rotating arm (3) is provided with first bolts (5), the first bolts (5) penetrate through the first mounting grooves (33) and then are mounted in the first threaded holes (42) to fix the first sliding blocks (4) in the first mounting chute (31), and the two first sliding blocks (4) are movably mounted in the two first sliding grooves (11) respectively;

the utility model discloses a writing head, including first installation spout (32), second installation spout (32) are fixed with first installation piece (6) in the second installation spout (32), install writing head (7) on first installation piece (6), are equipped with second screw hole (61) on first installation piece (6), are equipped with second bolt (8) on swinging boom (3), and second bolt (8) pass second installation groove (34) after install in second screw hole (61) first installation piece (6) are fixed to second installation spout (32).

2. The auxiliary teaching device for mathematical education as claimed in claim 1, wherein the first sliding groove (11) has first mounting holes (12) formed at both ends thereof, the fixed suction cup (2) has first mounting posts (21), the first mounting posts (21) are mounted in the first mounting holes (12), and the first mounting posts (21) have first stop rings (22).

3. The auxiliary teaching device for mathematics teaching as claimed in claim 2, wherein said first mounting groove (33) is laterally provided with a first graduated strip (35), and said second mounting groove (34) is provided with a second graduated strip (36).

4. The auxiliary teaching device for mathematics teaching as claimed in claim 3, wherein said first circular table (41) is provided with a first thrust ring (43).

5. The auxiliary teaching device for mathematics teaching as claimed in claim 4, wherein said first mounting block (6) is provided with a first mounting ring groove (62), a first fixing ring (63) is arranged below said first mounting ring groove (62), a first locking ring (9) is arranged above said first mounting ring groove (62), said first locking ring (9) is provided with a first interference surface (91), said first fixing ring (63) is provided with a V-shaped ring groove (64), the lower end surface of said second bolt (8) is interfered with said first locking ring (9), and said first interference surface (91) is interfered with said V-shaped ring groove (64).

6. An auxiliary teaching device for mathematics teaching as claimed in claim 5, wherein said first fixing ring (63) is made of rubber.

7. An auxiliary teaching device for mathematics teaching as claimed in claim 6, wherein said first slide block (4) is a rectangular parallelepiped.