CN220105857U

CN220105857U - English letter read-write card

Info

Publication number: CN220105857U
Application number: CN202320656250.5U
Authority: CN
Inventors: 王芬; 谭雅雯
Original assignee: Hunan Environment Biological Polytechnic
Current assignee: Hunan Environment Biological Polytechnic
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-11-28
Anticipated expiration: 2033-03-29

Abstract

The utility model relates to an English letter read-write card, which comprises: the display board is engraved with English letters with the upper and lower cases, a clamping groove is formed in the limiting board, and a sliding board for writing the letters is slidably arranged in the clamping groove; the first protective cover is fixedly arranged on the display panel, the second protective cover is fixedly arranged on the display panel, a pulling mechanism is arranged in the second protective cover, a rolling component connected with the pulling mechanism is arranged in the first protective cover, the pulling mechanism can move when the sliding plate slides in the clamping groove, and drives the rolling component to move, and English letters on the limiting plate are shielded under the action of the rolling component; and the locking mechanism is arranged on the display panel and connected with the pulling mechanism, and can limit the pulling mechanism after the pulling mechanism moves to a required position.

Description

English letter read-write card

Technical Field

The utility model relates to the field of English learning, in particular to an English letter read-write card.

Background

Vocational education refers to the cultivation and training of college students in the aspects of Germany, intellectual education, sports and the like, is an important link for improving population quality, and is especially important for English teaching along with the development of society.

When learning english, the first case of learning is english letter, in order to increase student's interest of learning, generally is teaching through english letter card, and english letter card's content includes 52 english letters, and half is uppercase letter, and half is lowercase letter, mr's accessible letter card is teaching the student, and after the teaching was accomplished, the student writes the training to the letter, however current letter card can only purely carry out the teaching, can't provide the region of writing, leads to the student training to accomplish the back and is difficult to compare for teaching achievement is not good.

Disclosure of Invention

The utility model aims to provide an English letter read-write card so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

an english alphabet read-write card, the english alphabet read-write card comprising:

the display board is engraved with English letters with the upper and lower cases, a clamping groove is formed in the display board, and a sliding board for writing the letters is slidably arranged in the clamping groove;

the first protective cover is fixedly arranged on the display panel, the second protective cover is also fixed on the display panel, a pulling mechanism is arranged in the second protective cover, a rolling component connected with the pulling mechanism is arranged in the first protective cover, and the pulling mechanism can move when the sliding plate slides in the clamping groove and drives the rolling component to move;

and the locking mechanism is arranged on the display panel and connected with the pulling mechanism, and the locking mechanism can limit the pulling mechanism to move after the pulling mechanism moves to a required position.

As a further scheme of the utility model: the traction mechanism comprises a through groove formed in the second protective cover, a blackboard eraser fixedly installed in the clamping groove and abutted to the sliding plate, and a meshing assembly arranged on the display plate and connected with the sliding plate, wherein the meshing assembly is connected with the winding assembly and the locking mechanism.

As still further aspects of the utility model: the meshing assembly comprises rack plates which are fixedly arranged on the sliding plate and symmetrically arranged, a driving roller is rotatably arranged in the second protective cover, a gear meshed with the rack plates is fixed on the driving roller, and the driving roller is connected with the winding assembly and the locking mechanism.

As still further aspects of the utility model: the winding assembly comprises a winding roller which is rotatably arranged in a first protective cover, a shielding curtain which is connected with the driving roller is wound on the winding roller, a coil spring which is movably arranged in the first protective cover and connected with the driving roller is arranged in the first protective cover, and the shielding curtain penetrates through the through groove.

As still further aspects of the utility model: the locking mechanism comprises a limiting sleeve fixedly arranged on the second protective cover, a movable rod penetrating through the second protective cover is movably arranged in the limiting sleeve, a spring is sleeved on the limiting sleeve and the movable rod, and a limiting assembly connected with the movable rod is arranged in the second protective cover;

the limiting assembly is connected with the driving roller, a limiting groove is formed in the limiting sleeve, and a limiting rod clamped with the limiting groove is fixed on the movable rod.

As still further aspects of the utility model: the limiting assembly comprises a limiting block rotatably arranged on the movable rod, a torsion spring sleeved on the movable rod and fixedly connected with the limiting block, and a limiting plate fixedly arranged in the second protective cover and matched with the limiting block, and a ratchet wheel matched with the limiting block is fixed on the driving roller.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, students can learn through English letters arranged on the display board, after the teaching is finished, the sliding board is pulled out, the students can practice on the sliding board, the sliding board can drive the traction mechanism to move and drive the rolling component to move, the letters are ensured to be shielded during training under the action of the rolling component, after the training is finished, the sliding board is pulled continuously, so that the rolling component does not shield the letters any more, at the moment, comparison can be performed, after the training is finished, the locking mechanism moves, so that the locking mechanism is not limited by the traction mechanism any more, and the rolling component drives the sliding board to reset through the traction mechanism.

Drawings

Fig. 1 is a schematic diagram of an embodiment of an english letter read-write card.

Fig. 2 is a schematic diagram of a structure of an english letter read-write card according to another embodiment.

FIG. 3 is a schematic diagram showing the connection relationship among the winding assembly, the pulling mechanism and the locking mechanism in one embodiment of the English letter read-write card.

Fig. 4 is an enlarged schematic view of the structure at a in fig. 3.

Fig. 5 is a schematic diagram of a partial semi-sectional structure of an english letter read-write card according to an embodiment.

Fig. 6 is an exploded view of a locking mechanism in one embodiment of an english letter reader card.

In the figure: 1. a display panel; 2. a clamping groove; 3. a sliding plate; 4. a blackboard eraser; 5. rack plate; 6. a first protective cover; 7. a through groove; 8. a wind-up roll; 9. a shielding curtain; 10. a coil spring; 11. a second protective cover; 12. a driving roller; 13. a gear; 14. a ratchet wheel; 15. a limit sleeve; 16. a movable rod; 17. a spring; 18. a limiting block; 19. a torsion spring; 20. and a limiting plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In addition, an element in the present disclosure may be referred to as being "fixed" or "disposed" on another element or being directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1 to 6, in an embodiment of the present utility model, an english letter read-write card includes:

the display board 1, the upper and lower English letters are carved on the display board 1, a clamping groove 2 is formed in the display board 1, and a sliding board 3 for writing letters is slidably arranged in the clamping groove 2;

in detail, the English letters are fifty two in total, half is lowercase and half is uppercase, the sliding plate 3 is used for enabling students to write letters learned during education, and a teacher can teach the letters on the display plate 1 to the students first and enable the students to practice on the sliding plate 3 after the teaching is completed.

Referring to fig. 1-3 and fig. 5, a first protective cover 6 is fixedly installed on the display panel 1, a second protective cover 11 is further fixed on the display panel 1, a pulling mechanism is arranged in the second protective cover 11, the pulling mechanism comprises a through groove 7 formed in the second protective cover 11, an eraser 4 fixedly installed in the clamping groove 2 and abutted to the sliding panel 3, and a meshing assembly arranged on the display panel 1 and connected with the sliding panel 3, the meshing assembly is connected with the winding assembly and the locking mechanism, the meshing assembly comprises a rack plate 5 fixedly installed on the sliding panel 3 and symmetrically arranged, a driving roller 12 is rotatably installed in the second protective cover 11, a gear 13 meshed with the rack plate 5 is fixed on the driving roller 12, and the driving roller 12 is connected with the winding assembly and the locking mechanism.

It should be noted that, be fixed with the handle on the sliding plate 3, after the teaching is accomplished, mr's accessible handle pulls out outside the display panel 1 with the sliding plate 3 for sliding plate 3 in draw-in groove 2, because sliding plate 3 and blackboard eraser 4 butt, under the effect of blackboard eraser 4, erase the remaining typeface on the sliding plate 3, simultaneously, sliding plate 3 still can drive rack board 5 motion, because rack board 5 and gear 13 meshing, thereby drive gear 13 rotates, gear 13 still can drive driving roller 12 and rotate, with the motion of drive rolling subassembly, under the effect of rolling subassembly, mask the letter on the display panel 1, ensure that the student can't see the letter on the display panel 1 when practicing, after the sliding plate 3 moves to required position, under the effect of locking mechanism, with driving roller 12 fixed.

Referring to fig. 1-3, a winding component connected with the pulling mechanism is disposed in the first protective cover 6, the pulling mechanism can move when the sliding plate 3 slides in the clamping groove 2, and drives the winding component to move, the winding component comprises a winding roller 8 rotatably mounted in the first protective cover 6, a shielding curtain 9 connected with the driving roller 12 is wound on the winding roller 8, a coil spring 10 connected with the driving roller 12 is movably mounted in the first protective cover 6, and the shielding curtain 9 penetrates through the through groove 7.

Further, shelter from curtain 9 can divide into three sections, first section winding is on driving roller 12, and the mid portion of this section is in the fretwork state, ensure when sliding plate 3 is located display panel 1, can not shelter from the letter, the second section is the shading setting, when this section motion to display panel 1 top, will shelter from the letter, the third section is transparent setting, this section motion is to display panel 1 top time, can observe the letter, when needs writing the letter, need take out sliding plate 3, and shelter from the letter, driving roller 12 rotates this moment, and make shelter from curtain 9 winding on driving roller 12, thereby drive wind-up roller 8 motion, make wind spring 10 compressed, when sliding plate 3 takes out half time, shelter from curtain 9 motion to display panel 1 top, thereby shelter from the letter, after the training is accomplished, need contrast student's writing with the letter, this moment, roller 12 continues to rotate, and drive and shelter from curtain 9 motion, make transparent portion shelter from curtain 9 motion to display panel 1 top, when needs writing the letter, need draw from the driving roller 3 to take out, thereby driving wind-up roller 8 motion, make wind-up roller 8 rotate again, make and make winding roller 8 rotate under the effect, and make winding roller 8 rotate and make and rotate and shelter from the driving roller 8, make and rotate and make and roll 8.

Referring to fig. 3-6, a locking mechanism is disposed on the display panel 1 and connected to the pulling mechanism, the locking mechanism can limit the pulling mechanism to move after the pulling mechanism moves to a required position, the locking mechanism includes a limit sleeve 15 fixedly mounted on the second protective cover 11, a movable rod 16 penetrating through the second protective cover 11 is movably mounted in the limit sleeve 15, a spring 17 is sleeved on the limit sleeve 15 and the movable rod 16, and a limit assembly connected with the movable rod 16 is disposed in the second protective cover 11; the limiting assembly is connected with the driving roller 12, a limiting groove is formed in the limiting sleeve 15, a limiting rod clamped with the limiting groove is fixed on the movable rod 16, the limiting assembly comprises a limiting block 18 rotatably mounted on the movable rod 16, a torsion spring 19 sleeved on the movable rod 16 and fixedly connected with the limiting block 18, a limiting plate 20 fixedly mounted in the second protective cover 11 and matched with the limiting block 18, and a ratchet wheel 14 matched with the limiting block 18 is fixed on the driving roller 12.

Still further, in the initial state, the spring 17 is in a compressed state, the movable rod 16 is located at the end of the travel far away from the direction of the limit sleeve 15, so that the limit block 18 is abutted with the ratchet wheel 14, under the action of the torsion spring 19, the limit block 18 is abutted with the limit plate 20, and the limit block 18 is clamped with the ratchet wheel 14, when the sliding plate 3 moves outwards towards the display plate 1, the gear 13 is driven to rotate through the rack plate 5, so as to drive the driving roller 12 to rotate, so that the ratchet wheel 14 rotates, under the action of the ratchet wheel 14, the limit block 18 is driven to rotate towards the direction far away from the limit plate 20, and under the action of the torsion spring 19, the limit block 18 is always abutted with the ratchet wheel 14, when the sliding plate 3 stops moving, the ratchet wheel 14 stops rotating, and due to the fact that the coil spring 10 always provides a certain rotating force for the winding roller 8, so that the ratchet wheel 14 has a reversing trend, however, because the limit block 18 is abutted with the limit plate 20, the ratchet wheel 14 cannot be separated, so that the ratchet wheel 14 is fixed, when the sliding plate 3 is required to be retracted, the manual driving movable rod 16 moves inwards towards the limit sleeve 15, so that the ratchet wheel 14 rotates, under the action of the spring 17, under the action of the spring 18, the action of the reset plate 18 is released when the spring 18 is released, the movement is realized, and the reset plate 16 is released when the movement is released, and the movement of the spring is released, and the spring is reset plate 16 is separated from the ratchet wheel, and the movement plate 1 when the movement is reset plate is stressed, and the movement is released.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The English letter read-write card is characterized by comprising:

the display device comprises a display panel (1), wherein English letters with the upper and lower cases are engraved on the display panel (1), a clamping groove (2) is formed in the display panel (1), and a sliding plate (3) for writing the letters is slidably arranged in the clamping groove (2);

the first protective cover (6) is fixedly arranged on the display panel (1), the second protective cover (11) is further fixed on the display panel (1), a pulling mechanism is arranged in the second protective cover (11), a winding component connected with the pulling mechanism is arranged in the first protective cover (6), and the pulling mechanism can move when the sliding plate (3) slides in the clamping groove (2) and drives the winding component to move;

and the locking mechanism is arranged on the display panel (1) and is connected with the pulling mechanism, and the locking mechanism can limit the pulling mechanism to move after the pulling mechanism moves to a required position.

2. The English letter read-write card according to claim 1, wherein the pulling mechanism comprises a through groove (7) formed in the second protective cover (11), an blackboard eraser (4) fixedly installed in the clamping groove (2) and abutted to the sliding plate (3), and a meshing assembly arranged on the display plate (1) and connected with the sliding plate (3), wherein the meshing assembly is connected with the winding assembly and the locking mechanism.

3. The English letter read-write card according to claim 2, wherein the meshing assembly comprises a rack plate (5) fixedly mounted on the sliding plate (3) and symmetrically arranged, a driving roller (12) is rotatably mounted on the second protective cover (11), a gear (13) meshed with the rack plate (5) is fixedly mounted on the driving roller (12), and the driving roller (12) is connected with the winding assembly and the locking mechanism.

4. An english letter read-write card according to claim 3, wherein the winding assembly comprises a winding roller (8) rotatably mounted in the first protective cover (6), a shielding curtain (9) connected with the driving roller (12) is wound on the winding roller (8), a coil spring (10) connected with the driving roller (12) is movably mounted in the first protective cover (6), and the shielding curtain (9) penetrates through the through groove (7).

5. An english letter read-write card according to claim 3, wherein the locking mechanism includes a limit sleeve (15) fixedly mounted on the second protective cover (11), a movable rod (16) penetrating through the second protective cover (11) is movably mounted in the limit sleeve (15), springs (17) are sleeved on the limit sleeve (15) and the movable rod (16), and a limit assembly connected with the movable rod (16) is disposed in the second protective cover (11);

the limiting assembly is connected with the driving roller (12), a limiting groove is formed in the limiting sleeve (15), and a limiting rod clamped with the limiting groove is fixed on the movable rod (16).

6. The English letter read-write card according to claim 5, wherein the limiting component comprises a limiting block (18) rotatably mounted on the movable rod (16), a torsion spring (19) sleeved on the movable rod (16) and fixedly connected with the limiting block (18), and a limiting plate (20) fixedly mounted in the second protective cover (11) and matched with the limiting block (18), and a ratchet wheel (14) matched with the limiting block (18) is fixed on the driving roller (12).