CN212098154U

CN212098154U - Blackboard is used in teaching of english specialty

Info

Publication number: CN212098154U
Application number: CN202020556970.0U
Authority: CN
Inventors: 钦怡; 张唯
Original assignee: Yuncheng University
Current assignee: Yuncheng University
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2020-12-08
Anticipated expiration: 2030-04-15

Abstract

The utility model discloses a blackboard is used in teaching of english specialty, including blackboard body, blackboard body positive both sides are all fixed and are equipped with first fixed plate, and blackboard body positive middle part is fixed and is equipped with the second fixed plate, and the rectangle spout has all been seted up along first fixed plate length direction at the middle part of the relative one side of two first fixed plates, and a plurality of jack has all been seted up along first fixed plate length direction at the middle part of the back of the body one side of the back of the body of two first fixed plates mutually, and the equal sliding connection in inside of two rectangle spouts has the rectangle slider. The utility model discloses when can directly drawing the three check of standard four-wire on blackboard body, can utilize the movable block to drive guide bar and sliding block whole reciprocating simultaneously, be convenient for draw three check of four-wire in the position that blackboard body is different like this, the three check of four-wire drawn out through the device are very standard to be that four lines are drawn simultaneously, the speed of drawing is very fast, makes things convenient for the english specialty to use on the classroom very much.

Description

Blackboard is used in teaching of english specialty

Technical Field

The utility model relates to an english specialty teaching field specifically is a blackboard is used in english specialty teaching.

Background

The blackboard is not particularly a black board, is a plane which can be repeatedly written by chalk in the traditional sense, is hard, and is mainly used for teaching. The blackboard is generally made of wood board or ground glass, and can be written on by using specific writing materials such as chalk. Mostly black, greenish black, white or beige.

At present, when the english specialty teaching, all directly use ordinary blackboard to teach, generally directly only draw with the ruler when teacher draws three check of four-wire like this, the line that draws like this probably nonparallel or interval difference, drawing of one simultaneously, speed is slower. Therefore, the blackboard for teaching the English major is provided by improving the technical scheme.

SUMMERY OF THE UTILITY MODEL

For solving the defect that prior art exists, the utility model provides a blackboard is used in teaching of english specialty.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a blackboard for teaching English major, which comprises a blackboard body, wherein first fixed plates are fixedly arranged at two sides of the front surface of the blackboard body, a second fixed plate is fixedly arranged at the middle part of the front surface of the blackboard body, rectangular sliding grooves are respectively arranged at the middle part of one side of the first fixed plate opposite to the first fixed plate along the length direction of the first fixed plate, a plurality of jacks are respectively arranged at the middle part of the opposite side of the two first fixed plates along the length direction of the first fixed plate, rectangular sliding blocks are respectively and slidably connected inside the rectangular sliding grooves, a moving block is arranged at the front surface of the second fixed plate, the second fixed plate is slidably connected with the moving block through a sliding mechanism, guide rods are respectively and fixedly inserted at the top and the bottom of two sides of the moving block, the other ends of the four guide rods are respectively and fixedly connected, the limiting mechanism comprises two limiting assemblies and a driving assembly, the driving assembly is arranged inside the moving block, the two limiting assemblies are respectively arranged on two sides of the moving block, sliding blocks are arranged on two sides of the moving block, the two sliding blocks are respectively sleeved on guide rods of the two moving blocks in a sliding mode, fixing mechanisms are arranged on the sliding blocks, and the four fixing mechanisms are distributed on the sliding blocks at equal intervals.

As a preferred technical scheme of the utility model, spacing subassembly includes inserted bar, fender ring sum first spring, the cavity has been seted up to the inside of movable block, the one end activity of inserted bar is pegged graft in the one end of cavity, the other end activity of inserted bar runs through sliding block and rectangle slider and the activity is pegged graft on one of them jack, it is located the inside of cavity to keep off the ring, keep off the fixed cover of ring and establish on the surface of inserted bar, first spring housing is established on the surface of inserted bar, just the both ends of first spring are laminated with the side of keeping off ring sum cavity respectively.

As a preferred technical scheme of the utility model, drive assembly includes rotation axis and swiveling wheel, the rotation axis is located the inside of cavity, the both ends of rotation axis are all rotatory to be pegged graft in the both sides of cavity, the one end that the second fixed plate was kept away from to the rotation axis runs through movable block and fixedly connected with knob, the fixed middle part of establishing at the rotation axis of swiveling wheel is fixed to the swiveling wheel, the swiveling wheel is oval, two the tip of inserted bar all closely laminates on the surface of swiveling wheel.

As a preferred technical scheme of the utility model, fixed establishment includes step hole, grip block, second spring and threaded rod, the front at the sliding block is seted up in the step hole, threaded rod threaded connection keeps away from the one end of blackboard body in the step hole, the grip block slides and pegs graft in the inside in step hole, the second spring is located the inside in step hole, just the both ends of second spring are closely laminated with the step that the grip block kept away from one side of threaded rod and step hole respectively.

As a preferred technical scheme of the utility model, slide mechanism includes T shape spout and T shape slider, the positive middle part at the second fixed plate is seted up to T shape spout, T shape slider sliding connection is in the inside of T shape spout, the front of T shape slider and the back fixed connection of movable block.

As the utility model discloses a preferred technical scheme, the middle part of swiveling wheel periphery is seted up flutedly, two the tip of inserted bar all laminates with the recess tank bottom is accurate.

The utility model has the advantages that: this kind of blackboard is used in teaching of english specialty, lead the sliding block through being equipped with the guide bar, and directly with the chalk clamping on the sliding block, sliding block about only needing when drawing three check of four-wire, just can be directly when drawing three check of standard four-wire on the blackboard body, can utilize the movable block to drive guide bar and sliding block whole reciprocating simultaneously, be convenient for draw three check of four-wire in the different position of blackboard body like this, three check of four-wire drawn through the device are very standard, and it draws simultaneously to be four lines, the speed of drawing is very fast, make things convenient for the english specialty to use on the staving very much.

Drawings

The accompanying drawings 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 invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of a blackboard for teaching English major of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the movable block of the blackboard for teaching English major of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure of a moving block of the blackboard for teaching English major according to the present invention;

FIG. 4 is a side view of the sliding block of the blackboard for teaching English major according to the present invention;

FIG. 5 is the utility model relates to a local enlarged structure schematic diagram of sliding block section of blackboard for teaching of english specialty.

In the figure: 1. a blackboard body; 2. a first fixing plate; 3. a second fixing plate; 4. a rectangular chute; 5. A jack; 6. a rectangular slider; 7. a moving block; 8. a guide bar; 9. a slider; 10. inserting a rod; 11. A baffle ring; 12. a first spring; 13. a cavity; 14. a rotating shaft; 15. a rotating wheel; 16. a knob; 17. a stepped bore; 18. a clamping block; 19. a second spring; 20. a threaded rod; 21. a T-shaped chute; 22. t-shaped sliding blocks.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in figure 1, figure 2, figure 3, figure 4 and figure 5, the utility model relates to a blackboard for English major teaching, which comprises a blackboard body 1, wherein the front two sides of the blackboard body 1 are both fixedly provided with a first fixing plate 2, the front middle part of the blackboard body 1 is fixedly provided with a second fixing plate 3, the middle part of one side of the two first fixing plates 2 opposite to each other is provided with a rectangular chute 4 along the length direction of the first fixing plate 2, the middle part of the opposite side of the two first fixing plates 2 is provided with a plurality of jacks 5 along the length direction of the first fixing plates 2, the insides of the two rectangular chutes 4 are both connected with a rectangular slide block 6 in a sliding way, the front side of the second fixing plate 3 is provided with a moving block 7, the second fixing plate 3 is connected with the moving block 7 in a sliding way through a sliding mechanism, the tops and the bottoms of the two sides of the moving block 7 are both fixedly, the limiting mechanism is arranged on the moving block 7 and comprises two limiting components and a driving component, the driving component is arranged inside the moving block 7, the two limiting components are respectively arranged on two sides of the moving block 7, sliding blocks 9 are respectively arranged on two sides of the moving block 7, the two sliding blocks 9 are respectively sleeved on two guide rods 8 of the moving block 7 in a sliding mode, fixing mechanisms are arranged on the sliding blocks 9, the four fixing mechanisms are distributed on the sliding blocks 9 at equal intervals, the sliding blocks 9 are guided through the guide rods 8 and are directly clamped on the sliding blocks 9, when drawing three four-line grids, only the sliding blocks 9 need to be moved left and right, when drawing three standard four-line grids on the blackboard body 1, the guide rods 8 and the sliding blocks 9 can be driven to integrally move up and down by the moving block 7, and therefore, the three-line grids can be drawn at different positions of the blackboard body 1, three check of four-wire that draw through the device are very standard to four lines are drawn simultaneously, and the speed of drawing is very fast, makes things convenient for the english specialty to use on the painting very much.

Wherein, the limiting component comprises an inserted link 10, a baffle ring 11 and a first spring 12, a cavity 13 is arranged inside the moving block 7, one end of the inserted link 10 is movably inserted into one end of the cavity 13, the other end of the inserted link 10 movably penetrates through the sliding block 9 and the rectangular sliding block 6 and is movably inserted into one of the jacks 5, the baffle ring 11 is positioned inside the cavity 13, the baffle ring 11 is fixedly sleeved on the surface of the inserted link 10, the first spring 12 is sleeved on the surface of the inserted link 10, two ends of the first spring 12 are respectively attached to the side surfaces of the baffle ring 11 and the cavity 13, through the cooperation of the baffle ring 11 and the first spring 12, the first spring 12 can apply an elastic force towards the inside of the cavity 13 to the baffle ring 11, and further can ensure that the two inserted links 10 move relatively when not blocked, and separate from the jacks 5, so that the moving block 7 can be moved conveniently.

Wherein, drive assembly includes rotation axis 14 and swiveling wheel 15, rotation axis 14 is located the inside of cavity 13, the both ends of rotation axis 14 are all rotatory to be pegged graft in the both sides of cavity 13, the one end that second fixed plate 3 was kept away from to rotation axis 14 runs through movable block 7 and fixedly connected with knob 16, swiveling wheel 15 fixed cover is established at the middle part of rotation axis 14, swiveling wheel 15 is oval, the tip of two inserted bars 10 all closely laminates on swiveling wheel 15's surface, when swiveling wheel 15 is rotatory, its both ends and top are different with the distance of its central line of bottom distance, just so can make things convenient for inserted bar 10 to move, and then the movable block 7 of being convenient for moves.

The fixing mechanism comprises a step hole 17, a clamping block 18, a second spring 19 and a threaded rod 20, the step hole 17 is formed in the front face of the sliding block 9, the threaded rod 20 is in threaded connection with one end, far away from the blackboard body 1, of the step hole 17, the clamping block 18 is inserted in the step hole 17 in a sliding mode, the second spring 19 is located in the step hole 17, two ends of the second spring 19 are respectively tightly attached to one side, far away from the threaded rod 20, of the clamping block 18 and a step of the step hole 17, chalk is clamped through the clamping block 18, then elastic force towards the threaded rod 20 is applied to the clamping block 18 through the second spring 19, the threaded rod 20 only needs to be rotated continuously when the chalk is used, and the distance between the chalk and the surface of the blackboard body 1 can be gradually reduced by enabling the threaded rod 20 to move towards the clamping block 18.

Wherein, slide mechanism includes T shape spout 21 and T shape slider 22, T shape spout 21 sets up in the positive middle part of second fixed plate 3, T shape slider 22 sliding connection is in the inside of T shape spout 21, the front of T shape slider 22 and the back fixed connection of movable block 7 utilize T shape spout 21 and T shape slider 22's cooperation to be connected second fixed plate 3 and movable block 7, the movable block 7 that can be convenient for like this slides in the length direction of second fixed plate 3, simple structure convenient to use.

Wherein, the middle part of swiveling wheel 15 periphery is seted up flutedly, and the tip of two inserted bars 10 all laminates with the groove tank bottom is accurate, sets up the recess and can carry on spacingly to the tip of inserted bar 10, when avoiding swiveling wheel 15 rotatory, and inserted bar 10 drops from swiveling wheel 15's surface, guarantees that inserted bar 10 and swiveling wheel 15 can be stable carry out work.

During operation, firstly, eight chalks are clamped by the clamping blocks 18, the second springs 19 and the threaded rod 20 are installed and fixed, then the rotary knob 16 is rotated to drive the rotary shaft 14 to rotate, and further drive the rotary wheel 15 to rotate, when the rotary wheel 15 rotates to a vertical position, the end parts of the two inserting rods 10 are not blocked, the first spring 12 can apply an elastic force towards the inner part of the cavity 13 to the baffle ring 11, and further can ensure that the two inserting rods 10 can move relatively when not blocked and are separated from the jack 5, so that the moving block 7 can be moved, the moving block 7 is moved along the second fixing plate 3, after the moving block is moved to a proper position, the rotary knob 16 is used for fixing the moving block 7, then the threaded rod 20 is rotated to extrude the clamping blocks 18, and the distance between the chalks and the surface of the blackboard body 1 is gradually reduced, after the tip and the 1 surface contact of blackboard body of chalk, remove sliding block 9 and just can go on about, the device draws, lead sliding block 9 through being equipped with guide bar 8, and directly with the chalk clamping on sliding block 9, sliding block 9 only need remove about when drawing three check of four-wire, just can be directly when drawing three check of standard four-wire on blackboard body 1, can utilize movable block 7 to drive guide bar 8 and sliding block 9 whole and reciprocate simultaneously, be convenient for draw three check in the 1 different position of blackboard body of four-wire like this, three check of four-wire drawn out through the device are very standard, and it draws simultaneously to be four lines, the speed of drawing is very fast, make things convenient for and use on the english specialty tang very much.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A blackboard for English major teaching comprises a blackboard body (1) and is characterized in that first fixing plates (2) are fixedly arranged on the two front sides of the blackboard body (1), a second fixing plate (3) is fixedly arranged in the middle of the front side of the blackboard body (1), rectangular sliding grooves (4) are formed in the middle of one side, opposite to the first fixing plates (2), of each first fixing plate along the length direction of the first fixing plate (2), a plurality of inserting holes (5) are formed in the middle of the opposite side of the first fixing plates (2) along the length direction of the first fixing plates (2), rectangular sliding blocks (6) are connected to the two rectangular sliding grooves (4) in a sliding mode, a moving block (7) is arranged on the front side of the second fixing plate (3), the second fixing plate (3) is connected with the moving block (7) in a sliding mode through a sliding mechanism, guide rods (8) are fixedly inserted into the tops and the bottoms of the two sides of the moving block, the other ends of the four guide rods (8) are respectively fixedly connected with the two rectangular sliding blocks (6), limiting mechanisms are arranged on the moving blocks (7), each limiting mechanism comprises two limiting assemblies and a driving assembly, the driving assemblies are arranged inside the corresponding moving block (7), the two limiting assemblies are respectively arranged on two sides of the corresponding moving block (7), sliding blocks (9) are arranged on two sides of the corresponding moving block (7), the two sliding blocks (9) are respectively sleeved on the two guide rods (8) of the corresponding moving block (7) in a sliding mode, fixing mechanisms are arranged on the sliding blocks (9), and the four fixing mechanisms are distributed on the sliding blocks (9) at equal intervals.

2. The blackboard for English major teaching according to claim 1, wherein the limiting assembly comprises an insertion rod (10), a blocking ring (11) and a first spring (12), a cavity (13) is formed inside the moving block (7), one end of the insertion rod (10) is movably inserted into one end of the cavity (13), the other end of the insertion rod (10) movably penetrates through the sliding block (9) and the rectangular sliding block (6) and is movably inserted into one of the insertion holes (5), the blocking ring (11) is located inside the cavity (13), the blocking ring (11) is fixedly sleeved on the surface of the insertion rod (10), the first spring (12) is sleeved on the surface of the insertion rod (10), and two ends of the first spring (12) are respectively attached to the side surfaces of the blocking ring (11) and the cavity (13).

3. The blackboard for English major teaching according to claim 2, wherein the driving assembly includes a rotating shaft (14) and a rotating wheel (15), the rotating shaft (14) is located inside the cavity (13), two ends of the rotating shaft (14) are both rotatably inserted into two sides of the cavity (13), one end of the rotating shaft (14) far away from the second fixing plate (3) penetrates through the moving block (7) and is fixedly connected with a knob (16), the rotating wheel (15) is fixedly sleeved on the middle portion of the rotating shaft (14), the rotating wheel (15) is oval, and two ends of the insertion rod (10) are both tightly attached to the surface of the rotating wheel (15).

4. The blackboard for English major teaching according to claim 1, wherein the fixing mechanism includes a stepped hole (17), a clamping block (18), a second spring (19) and a threaded rod (20), the stepped hole (17) is formed in the front of the sliding block (9), the threaded rod (20) is in threaded connection with one end, away from the blackboard body (1), of the stepped hole (17), the clamping block (18) is inserted in the stepped hole (17) in a sliding manner, the second spring (19) is located in the stepped hole (17), and two ends of the second spring (19) are respectively tightly attached to one side, away from the threaded rod (20), of the clamping block (18) and a step of the stepped hole (17).

5. The blackboard for english practice teaching according to claim 1, wherein the sliding mechanism includes a T-shaped sliding slot (21) and a T-shaped sliding block (22), the T-shaped sliding slot (21) is opened in the middle of the front surface of the second fixing plate (3), the T-shaped sliding block (22) is slidably connected inside the T-shaped sliding slot (21), and the front surface of the T-shaped sliding block (22) is fixedly connected with the back surface of the moving block (7).

6. The blackboard for teaching English major according to claim 3, wherein the middle of the circumferential surface of the rotating wheel (15) is provided with a groove, and the ends of the two inserting rods (10) are precisely attached to the bottom of the groove.