CN112721503A

CN112721503A - Auxiliary device for physical teaching

Info

Publication number: CN112721503A
Application number: CN202110019007.8A
Authority: CN
Inventors: 宋杰; 王岩; 夏岩; 高金伟
Original assignee: Harbin Institute of Technology
Current assignee: Harbin Institute of Technology
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-04-30

Abstract

The invention discloses an auxiliary device for physical teaching, which belongs to the field of teaching tools and comprises a base, wherein universal wheels are installed on the bottom wall of the base, a supporting piece is installed on the top wall of the base, the top ends of the supporting pieces are installed together with a cylindrical pipe, a frame plate is arranged on the outer side of the cylindrical pipe, a supporting rod is fixed on the inner wall of the frame plate, the supporting rod and the outer wall of the cylindrical pipe are installed in a sliding mode, a clamping groove plate is installed on the inner bottom wall of the cylindrical pipe, a plurality of writing boards are arranged on the outer side wall of the frame plate in a sliding mode, and cleaning frames are sleeved on the outer sides of the frame plate and the writing boards. The teaching auxiliary device is a teaching board which can be conveniently spliced and combined, mainly comprises a writing board and a combined board, is simple and convenient to operate and assemble, meets the use requirement related to large calculation amount in physical teaching, can realize mechanical cleaning of handwriting on the teaching board, saves time and labor, improves efficiency and reduces operation burden.

Description

Auxiliary device for physical teaching

Technical Field

The invention relates to the technical field of teaching aids, in particular to an auxiliary device for physical teaching.

Background

Physics is the subject of studying the most general laws of motion and basic structures of substances. As the leading subject of natural science, the physical research of all substances including universe and basic particles is the most basic movement form and law, so it becomes the research foundation of other natural science subjects

In the physical teaching process, a large amount of calculation contents are involved, so that the teaching board is frequently used.

Through the retrieval, chinese patent No. CN 108357247 a discloses a blackboard for teaching, including the blackboard body, the both ends of blackboard body are equipped with first board and second board respectively, the inside bottom mounting of blackboard body is equipped with first U type spout, the bottom of first board and second board is all fixed and is equipped with the draw runner, first U type spout and draw runner sliding connection, the bottom of first board and second board one side all is seted up flutedly, two inside walls of recess all are fixed and are equipped with second U type spout.

The blackboard for teaching that proposes among the prior art can change the fixed form of traditional blackboard structure, but when in actual use, still has following shortcoming: in addition, the notes written on the teaching board are inconvenient to clean, the cleaning process wastes time and labor, and the using burden of the teacher is increased, so the auxiliary device for physical teaching is provided.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides an auxiliary device for physics teaching.

In order to achieve the purpose, the invention adopts the following technical scheme:

an auxiliary device for physical teaching comprises a base, universal wheels are installed on the bottom wall of the base, support pieces are installed on the top wall of the base, the top ends of the support pieces are installed together with a cylindrical pipe, a frame plate is arranged on the outer side of the cylindrical pipe, a support rod is fixed on the inner wall of the frame plate, the support rod is installed with the outer wall of the cylindrical pipe in a sliding mode, a clamping groove plate is installed on the inner bottom wall of the cylindrical pipe in the cylindrical pipe, a plurality of writing boards are arranged on the outer side wall of the frame plate in a sliding mode, a cleaning frame is sleeved on the outer side of the frame plate and the writing boards, the inner wall of the cleaning frame is in surface friction contact with the writing boards through cleaning strips, the cleaning frame is installed with a plurality of threaded rods in a threaded mode, the threaded rods are installed with the outer side wall of the frame plate in a rotating mode through a supporting plate, first transmission wheels are, the writing board is characterized in that a second driving wheel is mounted at the driving end of the motor, the second driving wheels are connected with each first driving wheel through a driving belt for driving, the upper side of the writing board is detachably mounted with the combined board through bolts, and the combined board is matched with the clamping groove board.

Further, the frame board is regular hexagon structure, clean frame is regular hexagon structure equally, six outer facades of frame board are all slided and are equipped with the clipboard.

Furthermore, an annular groove is formed in the outer surface of the cylindrical pipe, a sliding block is arranged in the annular groove in a sliding mode, and the supporting rod and the sliding block are fixedly installed.

Furthermore, a limiting sliding strip is fixed on the outer vertical surface of the frame plate, and the writing board is installed with the limiting sliding strip in a sliding mode through vertical grooves formed in the two sides of the writing board.

Further, every the clipboard all with two spacing draw runner slidable mounting, every the spacing draw runner bottom all installs the stopper.

Furthermore, the top end and the position close to the bottom of the threaded rod are rotatably installed with the supporting plate, and the supporting plate is fixed on the outer vertical surface of the frame plate.

Furthermore, the top end of the bolt is fixed with the bottom of the combined board, the bottom end of the bolt is inserted into the top end of the writing board, and the top end of the writing board is provided with a jack.

Furthermore, the slot plate comprises a bottom plate fixed with the inner bottom wall of the cylinder body of the cylindrical pipe and a slot plate vertically fixed with the bottom plate, and the combined plate can be slidably inserted between the two slot plates.

Further, the supporting piece adopts an electric telescopic rod.

Compared with the prior art, the invention has the beneficial effects that:

1. the writing board is designed into the regular hexagon, and the combined board which can be spliced with the writing board is arranged, so that the writing capacity of the teaching board is greatly increased, and the actual use requirement is met.

2. The writing board can be rotated by a rotation angle conveniently during actual use, so that a teacher can easily rotate the writing board to switch writing areas during use, and the writing board is more convenient to use.

3. The writing board cleaning machine can be used for conveniently and mechanically cleaning the writing board, avoids labor burden of manual cleaning, saves time and labor, and is more convenient to use.

In summary, the teaching auxiliary device provided by the invention is a teaching board which can be conveniently spliced and combined, mainly comprises a writing board and a combined board, is simple and convenient to operate and assemble, meets the use requirement related to large calculation amount in physical teaching, can realize mechanical cleaning of handwriting on the teaching board, saves time and labor, improves efficiency and reduces operation burden.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

FIG. 1 is a schematic view of an overall structure of an auxiliary device for physical teaching according to the present invention;

FIG. 2 is a top view of an auxiliary device for physics teaching according to the present invention;

FIG. 3 is a bottom view of the cylindrical tube and frame plate of the present invention;

FIG. 4 is a schematic view of the assembly of the cleaning frame and the cleaning wipe of the present invention;

FIG. 5 is a schematic view of a cylindrical tube according to the present invention;

FIG. 6 is a schematic diagram of the components of the card slot plate of the present invention;

FIG. 7 is an enlarged view of a portion a of the structure of FIG. 1;

FIG. 8 is an enlarged view of a portion b of FIG. 2;

FIG. 9 is an enlarged view of a portion c of FIG. 2;

fig. 10 is a schematic view of the installation of the writing board and the composition board of the present invention.

In the figure: the multifunctional writing board comprises a base 1, universal wheels 2, supporting pieces 3, cylindrical tubes 4, frame plates 5, supporting rods 6, groove clamping plates 7, a writing board 8, a cleaning frame 9, a threaded rod 10, a first driving wheel 11, a motor 12, a second driving wheel 13, a driving belt 14, a bottom plate 15, a groove plate 16, a supporting plate 17, a limiting sliding strip 18, a cleaning wiping strip 19, a sliding block 20, a groove 21, a combined plate 22 and a plug 23.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-10, an auxiliary device for physical teaching comprises a base 1, wherein a universal wheel 2 is installed on the bottom wall of the base 1, and the universal wheel 2 can be a universal wheel with a self-locking function and can be conveniently fixed after being moved. Install support piece 3 on the roof of base 1, support piece 3's top is installed with a drum pipe 4 jointly, and support piece 3 adopts electric telescopic handle. Therefore, the height of the whole device can be adjusted according to needs, and the device is convenient for teachers with different heights to use.

The barrel outside of drum pipe 4 is equipped with frame plate 5, and the inner wall of frame plate 5 is fixed with branch 6, and branch 6 and the barrel outer wall slidable mounting of drum pipe 4, the interior bottom wall of the barrel of drum pipe 4 is installed with draw-in groove board 7, and the slip is equipped with a plurality of clipboards 8 on the lateral wall of frame plate 5, and compoboard 22 and draw-in groove board 7 match each other. The combination plate 22 can be received inside the cylindrical tube 4 by the snap plate 7 when not in use. The upside of clipboard 8 all is through bolt 23 and compoboard 22 demountable installation, and during normal use, the teacher writes on clipboard 8 to rotatable frame board 5 adjusts the position of each clipboard 8, to needing to carry out relevant mark near current clipboard 8, can install the upside at clipboard 8 with compoboard 22 through bolt 23, refer to the state that fig. 1 shows.

The outer side sleeves of the frame plate 5 and the writing board 8 are provided with a cleaning frame 9, the inner wall of the cleaning frame 9 is in friction contact with the surface of the writing board 8 through a cleaning wiping strip 19, and the cleaning wiping strip 19 can be made of sponge. When the cleaning frame 9 is moved, the writing on the writing board 8 can be erased by the cleaning wiping strip 19.

The writing board 8 is removed from the frame plate 5, and then the combplate 22 is mounted on the frame plate 5, and the writing on the combplate 22 is erased by the cleaning rubbing strip 19 while the cleaning frame 9 is moved.

Clean frame 9 and the threaded installation of a plurality of threaded rods 10, threaded rod 10 rotates with the lateral wall of frame plate 5 through backup pad 17 and installs, first drive wheel 11 is all installed to the bottom of threaded rod 10, motor 12 is installed to the barrel outer diapire of cylinder pipe 4, second drive wheel 13 is installed to the drive end of motor 12, second drive wheel 13 passes through the drive belt 14 with every first drive wheel 11 simultaneously and is connected the transmission, motor 12 drives second drive wheel 13, then drive every first drive wheel 11 through drive belt 14 simultaneously and rotate, threaded rod 10 is rotatable, and with clean frame 9 screw-thread fit, thereby control clean frame 9 reciprocates, utilize clean strip 19 can clear up the handwriting on clipboard 8 or compoboard 22.

The frame plate 5 is in a regular hexagon structure, the cleaning frame 9 is also in a regular hexagon structure, and the writing boards 8 are arranged on six outer vertical surfaces of the frame plate 5 in a sliding mode.

An annular groove 21 is formed in the outer surface of the cylindrical pipe 4, a sliding block 20 is arranged in the annular groove 21 in a sliding mode, and the supporting rod 6 and the sliding block 20 are fixedly installed.

The outer facade of the frame plate 5 is fixed with a limiting sliding strip 18, and the writing board 8 is arranged with the limiting sliding strip 18 in a sliding way by arranging vertical grooves on two sides. Vertical grooves matched with the limiting slide bars 18 are also formed in the two sides of the combined plate 22.

Each writing board 8 is slidably mounted with two limiting sliding strips 18, and a limiting block is mounted at the bottom end of each limiting sliding strip 18. The stopper prevents the writing board 8 or the combining plate 22 from slipping off.

The top end and the position close to the bottom of the threaded rod 10 are rotatably mounted with a support plate 17, and the support plate 17 is fixed on the outer vertical surface of the frame plate 5.

The top end of the bolt 23 is fixed with the bottom of the combined board 22, the bottom end of the bolt 23 is inserted into the top end of the writing board 8, and the top end of the writing board 8 is provided with a jack.

The slot-clamping plate 7 comprises a bottom plate 15 fixed with the inner bottom wall of the cylinder body of the cylinder tube 4, and also comprises a slot plate 16 fixed with the bottom plate 15 vertically, and a combined plate 22 is slidably inserted between the two slot plates 16.

The working principle and the using process of the invention are as follows:

the teacher can write calculation on the writing board 8 and can rotate the frame plate 5, thereby switching different writing boards 8 for use, and when needing to write comments on the contents on a certain writing board 8 or continuously write new contents, the combined board 22 can be spliced and installed on the writing board 8.

When the writing board 8 needs to be cleaned, the motor 12 can be started, each threaded rod 10 is driven to rotate through the matching of the first transmission wheel 11, the second transmission wheel 13 and the transmission belt 14, the threaded rods 10 are in threaded fit with the cleaning frame 9 and are controlled to move up and down, the writing on the writing board 8 can be cleaned by the cleaning wiping strip 19, when the combined board 22 is cleaned, the writing board 8 is taken out firstly, the combined board 22 is installed on the frame plate 5, and then the motor 12 is started.

The motor 12 adopts a servo motor and controls forward rotation and reverse rotation through a single chip microcomputer.

The above description is only for the preferred embodiment 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 technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides an auxiliary device for physical teaching, includes base (1), its characterized in that, install universal wheel (2) on the diapire of base (1), install support piece (3) on the roof of base (1), the top of support piece (3) is installed with a drum pipe (4) jointly, the barrel outside of drum pipe (4) is equipped with frame plate (5), the inner wall of frame plate (5) is fixed with branch (6), the barrel outer wall slidable mounting of branch (6) and drum pipe (4), it has draw-in groove board (7) to install at the barrel inner bottom wall of drum pipe (4), it is equipped with a plurality of clipboards (8) to slide on the lateral wall of frame plate (5), the outside cover of frame plate (5) and clipboard (8) is equipped with clean frame (9), the inner wall of clean frame (9) is through the surperficial friction contact of clean wiping strip (19) and clipboard (8), clean frame (9) and a plurality of threaded rod (10) threaded installation, threaded rod (10) are rotated with the lateral wall of frame plate (5) through backup pad (17) and are installed, first drive wheel (11) are all installed to the bottom of threaded rod (10), motor (12) are installed to the barrel outer diapire of cylinder pipe (4), second drive wheel (13) are installed to the drive end of motor (12), second drive wheel (13) are connected the transmission through drive belt (14) with every first drive wheel (11) simultaneously, the upside of clipboard (8) all is through bolt (23) and compoboard (22) demountable installation, compoboard (22) and draw-in groove board (7) are matchd each other.

2. Auxiliary device for physical teaching according to claim 1, characterized in that said frame plate (5) is of regular hexagonal structure, said cleaning frame (9) is also of regular hexagonal structure, and said six outer vertical faces of said frame plate (5) are slidably provided with writing boards (8).

3. The auxiliary device for physics teaching according to claim 1, characterized in that the outer surface of said cylindrical tube (4) is provided with an annular groove (21), a slide block (20) is slidably arranged in said annular groove (21), and said support rod (6) and said slide block (20) are fixedly mounted.

4. The auxiliary device for physical teaching according to claim 1 or 2, wherein a limiting slide bar (18) is fixed on the outer vertical surface of the frame plate (5), and the writing board (8) is installed with the limiting slide bar (18) in a sliding manner by forming vertical grooves on two sides.

5. The auxiliary device for physics teaching according to claim 4, characterized in that each said writing board (8) is slidably mounted with two limiting slides (18), and a limiting block is mounted at the bottom end of each said limiting slide (18).

6. An aid for physical teaching as claimed in claim 1 or 2, wherein the threaded rod (10) is pivotally mounted at its top end and near its bottom end to a support plate (17), the support plate (17) being fixed to the outer vertical surface of the frame plate (5).

7. The auxiliary device for physical education as claimed in claim 1, wherein the top end of the bolt (23) is fixed with the bottom of the combination board (22), the bottom end of the bolt (23) is inserted into the top end of the writing board (8), and the top end of the writing board (8) is provided with a jack.

8. An aid for physical teaching as claimed in claim 1, wherein the said snap-in groove plate (7) comprises a bottom plate (15) fixed to the inner bottom wall of the cylinder tube (4), and further comprises a groove plate (16) fixed perpendicular to the bottom plate (15), the said combination plate (22) being slidably inserted between the two groove plates (16).

9. An aid device for physical education as claimed in claim 1, characterised in that the support (3) is an electric telescopic rod.