CN112606597B

CN112606597B - English classroom teaching is with supplementary blackboard writing marking tool

Info

Publication number: CN112606597B
Application number: CN202011554462.XA
Authority: CN
Inventors: 赵雪; 张俊强; 刘玉双
Original assignee: Jilin Jianzhu University
Current assignee: Jilin Jianzhu University
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2022-09-02
Anticipated expiration: 2040-12-24
Also published as: CN112606597A

Abstract

The invention discloses an auxiliary blackboard-writing marking tool for English classroom teaching, which comprises: the placing rack can be attached to the blackboard; the guide mechanism is arranged on the placing frame and used for guiding the movement of the chalk; the fixing mechanism is arranged on the guide mechanism, so that the chalk moves along the guide mechanism through the fixing mechanism, and the chalk can be scribed on the blackboard; the balance mechanism is arranged between the guide mechanism and the placing frame, and the guide mechanism is in a parallel state with the horizontal plane relative to the horizontal plane through the balance mechanism.

Description

English classroom teaching is with supplementary blackboard writing marking tool

Technical Field

The invention relates to the technical field of teaching aids, in particular to an auxiliary blackboard-writing marking tool for English classroom teaching.

Background

English teaching refers to the process of teaching english to those who are or are not the first language. English teaching relates to many professional theoretical knowledge, including linguistics, second language acquisition, vocabulary, sentence law, literature, corpus theory, cognitive psychology etc. content, and English teaching is a process that progresses gradually, and whether to the people that english is the first language or not, english study is all vital today in globalization rapid development.

In the English teaching process, a teacher needs to be standard, standard and beautiful on a blackboard. Therefore, the four-line three-grid check is drawn on the blackboard in the conventional method, the size of letters is regular and uniform when the checks are used for writing on the blackboard, the letters cannot be skewed, and chalk is used for marking lines after a straight ruler is usually used to lean against the blackboard in the English teaching process.

However, in the process of using the ruler to lean against the blackboard for marking, when a single line is drawn, the ruler may lean against the blackboard and not be kept in a horizontal state, so that the single line is marked and inclined, the angle of each line is different, and further, the whole four lines are probably in a relatively inclined state, so that the writing of a teacher is inconvenient, the writing is not attractive enough, and therefore, an auxiliary blackboard writing marking tool for English classroom teaching is provided.

Disclosure of Invention

The invention aims to provide an auxiliary blackboard-writing marking tool for English classroom teaching, which aims to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an english classroom teaching is with supplementary blackboard writing marking tool, includes:

the placing rack can be attached to the blackboard;

the guide mechanism is arranged on the placing frame and used for guiding the movement of the chalk;

the fixing mechanism is arranged on the guide mechanism, so that the chalk moves along the guide mechanism through the fixing mechanism, and the chalk is marked on the blackboard;

the balance mechanism is installed between the guide mechanism and the placing frame, and the guide mechanism is in a parallel state with the horizontal plane relative to the horizontal plane through the balance mechanism.

Preferably, the rack includes that two are the connecting plate of symmetric distribution, two connect through the crossbearer between the connecting plate, two one side that the connecting plate is close to the blackboard all is fixed with and is used for adsorbing the magnet piece on blackboard surface.

Preferably, the guide mechanism comprises a track connected to the surface of the placing frame, the surface of the track is connected with a sliding block in a sliding mode, and the surface of the sliding block is fixedly connected with a fixing mechanism.

Preferably, the balance mechanism is including installing the pivot between track and rack, pivot and rack fixed connection, the pivot is connected with the track rotation, the axis direction slip of pivot can be followed to the track, orbital one side is fixed with and is the rubber pad of round platform form, the rack is used for the rubber pad rubber seat of filling in corresponding to one side fixedly connected with of rubber pad, orbital both ends are equipped with balancing weight one and balancing weight two respectively, the balancing weight one reaches the balance with the total weight of fixed establishment and chalk and the weight of balancing weight two for the track is in balanced state all the time.

Preferably, the fixing mechanism comprises two placing plates arranged on two sides of the sliding block, a placing hole for placing the chalk is formed in each placing plate, the top of each placing plate is connected with two guide plates in a sliding mode through two guide rods, and placing holes for placing the chalk are formed in the two guide plates.

Preferably, the placing plate is provided with two guide wheels on one side close to the blackboard, the guide wheels are rotatably connected with the placing plate through rotating shafts, the first bevel gears are fixedly connected to the surfaces of the rotating shafts of the guide wheels, the screw rods are rotatably connected to the placing plate in a rotating manner, the threaded sleeves are fixedly connected to the bottoms of the guide plates and are in threaded connection with the screw rods, the second bevel gears are fixedly connected to the bottoms of the screw rods, and the second bevel gears are meshed with the first bevel gears.

Preferably, the bottom of the guide plate is rotatably connected with a pushing plate, the pushing plate seals the placing hole, and the bottom of the pushing plate is fixedly connected with a rubber ring.

Preferably, the surface of the guide rod is sleeved with a first spring, and two ends of the first spring are fixedly connected with the placing plate and the guide plate respectively.

Preferably, one side of the rail is fixedly connected with a sleeve, a sliding rod is connected in the sleeve in a sliding mode, the end portion of the sliding rod is hemispherical, the end portion of the sliding rod is in contact with the placing frame, a second spring is arranged between the sliding rod and the sleeve, and two ends of the second spring are fixedly connected with the sliding rod and the sleeve respectively.

The invention has at least the following beneficial effects:

the blackboard eraser is placed on a blackboard through a placing frame and is relatively fixed with the blackboard, chalk is clamped by a guide mechanism and a fixing mechanism and then moves along a track on the blackboard, the track is in a state parallel to a horizontal plane before the chalk moves through a balance mechanism, compared with the prior art, when a straight ruler is used to lean against the blackboard for drawing a single line, the straight ruler may lean against the blackboard and not keep a horizontal state, so that the single line is drawn and inclined, the angle of each line is different, further the whole four lines are in a relatively inclined state, the writing of a teacher is inconvenient, and the writing is not attractive enough, the blackboard eraser can assist a teacher to draw lines on the blackboard, the placing frame is only adsorbed on the blackboard, the track is automatically adjusted to be in the horizontal state by the balance mechanism, the teacher does not need to adjust again, and the chalk can directly slide on the track through the fixing mechanism, the line is comparatively straight, and the line and the horizontal plane keep parallel to make the teacher use comparatively convenient, the teacher draws the line comparatively pleasing to the eye.

Drawings

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

FIG. 2 is a partial cross-sectional view of the present invention;

FIG. 3 is an enlarged view of area A of FIG. 2;

FIG. 4 is a partial view of the fixing mechanism of the present invention;

FIG. 5 is a partial cross-sectional view from another perspective as shown in FIG. 4;

FIG. 6 is an enlarged view of area B of FIG. 5;

fig. 7 is an enlarged view of the region C in fig. 5.

In the figure: 1-placing a rack; 2-a guiding mechanism; 3-a fixing mechanism; 4-a balancing mechanism; 5-connecting plates; 6-horizontal frame; 7-a magnet block; 8-orbit; 9-a slide block; 10-rubber cushion; 11-a rubber seat; 12-a first balancing weight; 13-balancing weight two; 14-placing a plate; 15-a guide bar; 16-a guide plate; 17-a guide wheel; 18-bevel gear one; 19-a screw; 20-thread insert; 21-bevel gear two; 22-a push plate; 23-a rubber ring; 24-a first spring; 25-a sleeve; 26-a slide bar; 27-spring two; 28-stop.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides an english classroom teaching is with supplementary blackboard writing marking tool, includes:

the placing rack 1 is used for placing the blackboard on a blackboard;

the guide mechanism 2 is arranged on the placing frame 1, and the guide mechanism 2 is used for guiding the movement of the chalk;

the fixing mechanism 3 is arranged on the guide mechanism 2, so that chalk moves along the guide mechanism 2 through the fixing mechanism 3, and the chalk is scribed on the blackboard;

and the balance mechanism 4 is arranged between the guide mechanism 2 and the placing rack 1, and the guide mechanism 2 is in a parallel state with the horizontal plane relative to the horizontal plane through the balance mechanism 4.

The placing rack 1 comprises two connecting plates 5 which are symmetrically distributed, the two connecting plates 5 are connected through a cross frame 6, and the two connecting plates 5 are fixed with magnet blocks 7 which are used for being adsorbed on the surface of a blackboard on one side close to the blackboard, and the magnets on the connecting plates 5 are adsorbed on the surface of the blackboard, so that the relative blackboard of the guide mechanism 2 is in a static state, and further the chalk can be conveniently drawn on the blackboard along the guide mechanism 2.

Guiding mechanism 2 is including connecting at the track 8 on rack 1 surface, 8 surperficial sliding connection in track has slider 9, the fixed surface of slider 9 is connected with fixed establishment 3, inserts the chalk back in fixed establishment 3, and the chalk slides on 8 surfaces in track along with fixed establishment 3 and slider 9, and then realizes drawing a line to the blackboard surface, draws a line along 8 length direction in track when drawing a line for the lines is comparatively straight, makes things convenient for teacher's use.

The balancing mechanism 4 comprises a rotating shaft arranged between a rail 8 and a placing frame 1, the rotating shaft is fixedly connected with the placing frame 1, the rotating shaft is rotatably connected with the rail 8, the rail 8 can slide along the axial direction of the rotating shaft, a circular truncated cone-shaped rubber pad 10 is fixed on one side of the rail 8, a rubber seat 11 for the rubber pad 10 to be plugged in is fixedly connected on one side of the placing frame 1 corresponding to the rubber pad 10, a first balancing weight 12 and a second balancing weight 13 are respectively arranged at two ends of the rail 8, the total weight of the first balancing weight 12, the fixing mechanism 3 and chalk is balanced with the weight of the second balancing weight 13, so that the rail 8 is always in a balanced state, a stop block 28 is fixedly connected on the surface of the rail 8, the stop block 28 is arranged on one side of the fixing mechanism 3, the slide block 9 is blocked by the stop block 28, and the initial position of the balancing mechanism 4 is further positioned, thereby make things convenient for the regulation of both sides balance mechanism 4, adsorb on the blackboard at rack 1 after, because the gross weight of balancing weight one 12 and fixed establishment 3 and chalk reaches balancedly with balancing weight two 13, track 8 is in the state parallel with the horizontal plane, and fixed establishment 3 can slide on track 8 moreover, under the different condition of chalk quality, through the effect of slip fixed establishment 3 and spirit level guarantee track 8 throughout be in with the state that the horizontal plane is parallel to make things convenient for the drawing line of chalk.

The fixing mechanism 3 comprises two placing plates 14 arranged on two sides of the sliding block 9, each placing plate 14 is internally provided with a placing hole for placing chalk, the top of each placing plate 14 is connected with two guide plates 16 through two guide rods 15 in a sliding mode, the two placing holes for placing chalk are formed in the guide plates 16, the chalk can be directly placed between the guide plates 16 and the placing plates 14, vertical guiding to the chalk is facilitated, and then the chalk is convenient to line.

The chalk line drawing device is characterized in that one side, close to a blackboard, of the placing plate 14 is provided with two guide wheels 17, the guide wheels 17 are rotatably connected with the placing plate 14 through rotating shafts, the surfaces of the rotating shafts of the guide wheels 17 are fixedly connected with a first bevel gear 18, the placing plate 14 is rotatably connected with a screw 19, the bottom of each guide plate 16 is fixedly connected with a threaded sleeve 20, the threaded sleeves 20 are in threaded connection with the screw 19, the bottom of each screw 19 is fixedly connected with a second bevel gear 21, the second bevel gear 21 is meshed with the first bevel gear 18, the guide wheels 17 are rotated through friction between the guide wheels 17 and the blackboard, the first bevel gear 18 is driven to rotate when the guide wheels 17 rotate, the second bevel gear 21 is driven to rotate by the second bevel gear 21, the screw 19 can push the threaded sleeve 20 to move when the screw 19 rotates, the threaded sleeve 20 drives the guide plates 16 to slide along the guide rods 15, so that when a chalk line is drawn, constantly promote the chalk and let the removal, guarantee the chalk and draw the line on the blackboard, and before 3 movements of fixed establishment, it is close to the blackboard face to promote fixed establishment 3, rubber pad 10 can insert in rubber seat 11, the frictional force between rubber pad 10 and the rubber seat 11 is great, track 8 can not the relative pivot rotate, thereby make track 8 relative rack 1 keep relatively fixed, leading wheel 17 just can contact the blackboard simultaneously, thereby the convenience is guaranteeing under the prerequisite that track 8 can not the wobbling, the chalk is when the rule, the chalk can progressively be close to the blackboard, thereby make things convenient for the level of chalk to draw a line.

The bottom of deflector 16 is rotated and is connected with catch plate 22, the hole is sealed will be placed to catch plate 22, the bottom fixed connection rubber ring 23 of catch plate 22, and the downthehole back of placing of deflector 16 is placed to the chalk, rotates catch plate 22, and the rubber ring 23 extrusion chalk of catch plate 22 bottom, catch plate 22 support simultaneously and place the hole, and the chalk can not be followed and placed downthehole extrusion, and rubber ring 23 makes things convenient for the location of chalk more, through the rotation of placing board 14, makes things convenient for putting into and taking out of chalk to make things convenient for the marking off of fixed establishment 3.

The surface cover of guide bar 15 is equipped with spring 24, the both ends of spring 24 respectively with place board 14 and deflector 16 fixed connection, after deflector 16 removed a distance, after the marking off was accomplished, counter-rotation leading wheel 17, deflector 16 slided on guide bar 15 gradually, made things convenient for the slip of deflector 16 more through spring 24, and then made things convenient for marking tool's operation.

Track 8's one side fixedly connected with sleeve 25, sliding connection has slide bar 26 in sleeve 25, slide bar 26's tip is hemispherical, slide bar 26's tip and rack 1 contact, be equipped with two springs 27 between slide bar 26 and the sleeve 25, two springs 27's both ends are respectively in slide bar 26 and sleeve 25 fixed connection, and when track 8 rotated, the hemispherical tip of slide bar 26 of track 8 both sides can the butt on rack 1's surface to guarantee that track 8's both sides are in stable state, and then make things convenient for track 8 to rotate round the pivot, and then make things convenient for the use of balance mechanism 4.

It should be noted that, in this document, relational terms such as first and second, and the like are 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.

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. The utility model provides an english classroom teaching is with supplementary blackboard writing marking tool which characterized in that includes:

the placing rack (1), wherein the placing rack (1) can be attached to a blackboard;

the guide mechanism (2) is arranged on the placing rack (1), and the guide mechanism (2) is used for guiding the movement of the chalk;

the fixing mechanism (3) is arranged on the guide mechanism (2), so that chalk moves along the guide mechanism (2) through the fixing mechanism (3), and the chalk is marked on the blackboard;

the balance mechanism (4) is arranged between the guide mechanism (2) and the placing rack (1), the guide mechanism (2) is in a parallel state with the horizontal plane relative to the horizontal plane through the balance mechanism (4),

the guide mechanism (2) comprises a track (8) connected to the surface of the placement frame (1), the surface of the track (8) is connected with a sliding block (9) in a sliding manner, the surface of the sliding block (9) is fixedly connected with a fixing mechanism (3),

the balance mechanism (4) comprises a rotating shaft arranged between a track (8) and a placing frame (1), the rotating shaft is fixedly connected with the placing frame (1), the rotating shaft is rotatably connected with the track (8), the track (8) can slide along the axis direction of the rotating shaft, one side of the track (8) is fixedly provided with a round table-shaped rubber pad (10), one side of the placing frame (1) corresponding to the rubber pad (10) is fixedly connected with a rubber seat (11) for the rubber pad (10) to be plugged in, two ends of the track (8) are respectively provided with a first balancing weight (12) and a second balancing weight (13), the first balancing weight (12) and the fixing mechanism (3) as well as the total weight of a chalk and the weight of the second balancing weight (13) reach balance, so that the track (8) is always in a balance state,

the fixing mechanism (3) comprises two placing plates (14) arranged at two sides of the sliding block (9), a placing hole for placing chalk is formed in each placing plate (14), the top of each placing plate (14) is connected with two guide plates (16) in a sliding mode through two guide rods (15), placing holes for placing chalk are formed in the two guide plates (16),

the blackboard is characterized in that two guide wheels (17) are arranged on one side, close to a blackboard, of the placing plate (14), the guide wheels (17) are rotatably connected with the placing plate (14) through rotating shafts, a first bevel gear (18) is fixedly connected to the surfaces of the rotating shafts of the guide wheels (17), a screw rod (19) is rotatably connected to the placing plate (14), a threaded sleeve (20) is fixedly connected to the bottom of each guide plate (16), the threaded sleeve (20) is in threaded connection with the screw rod (19), a second bevel gear (21) is fixedly connected to the bottom of the screw rod (19), and the second bevel gear (21) is meshed with the first bevel gear (18).

2. The auxiliary blackboard-writing marking tool for English classroom teaching of claim 1, wherein: the placing rack (1) comprises two connecting plates (5) which are symmetrically distributed, two connecting plates (5) are connected through a transverse frame (6), and two magnet blocks (7) which are adsorbed on the surface of the blackboard are fixed on one side, close to the blackboard, of each connecting plate (5).

3. The auxiliary blackboard-writing marking tool for English classroom teaching of claim 1, wherein: the bottom of the guide plate (16) is rotatably connected with a push plate (22), the push plate (22) seals the placing hole, and the bottom of the push plate (22) is fixedly connected with a rubber ring (23).

4. The auxiliary blackboard-writing marking tool for English classroom teaching of claim 1, wherein: the surface of the guide rod (15) is sleeved with a first spring (24), and two ends of the first spring (24) are fixedly connected with the placing plate (14) and the guide plate (16) respectively.

5. The auxiliary blackboard-writing marking tool for English classroom teaching of claim 1, wherein: one side fixedly connected with sleeve (25) of track (8), sliding connection has slide bar (26) in sleeve (25), the tip of slide bar (26) is hemispherical, the tip and rack (1) contact of slide bar (26), be equipped with spring two (27) between slide bar (26) and sleeve (25), the both ends of spring two (27) are respectively in slide bar (26) and sleeve (25) fixed connection.