CN214847313U - Display device with adjustable english grammar teaching is with space - Google Patents
Display device with adjustable english grammar teaching is with space Download PDFInfo
- Publication number
- CN214847313U CN214847313U CN202120417176.2U CN202120417176U CN214847313U CN 214847313 U CN214847313 U CN 214847313U CN 202120417176 U CN202120417176 U CN 202120417176U CN 214847313 U CN214847313 U CN 214847313U
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- China
- Prior art keywords
- display board
- brush head
- groove
- show board
- block
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- Expired - Fee Related
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Abstract
The utility model discloses a display device with adjustable english grammar teaching is with space, including device support and logical groove, device support inboard has been seted up logical groove, and leads to groove internally mounted and have preceding show board and back show board to preceding show board and back show board are close to one side welded mounting and have tooth, be provided with adjusting gear between preceding show board and the back show board, and run through in the middle of the adjusting gear and install the regulating spindle to the regulating spindle runs through device leg joint and has the locating piece, regulating spindle outside cover is established and is installed the stopper. The utility model discloses a through setting up adjusting gear, regulating spindle, locating piece, stopper and tooth etc. can drive through adjusting gear rather than the tooth of meshing and preceding show board and back show board and carry out the removal in opposite directions to change the usage space of show board, make it can satisfy multiple use needs, and can fix a position the show board after the removal.
Description
Technical Field
The utility model relates to an english teaching technical field specifically is a display device with adjustable english grammar teaching is with space.
Background
English is a long-history language, is used in the middle-aged uk at the earliest, is the language with the widest world area due to its wide colonial area, is the second language with the widest learning due to its official language or one of official languages of nearly 60 dominant countries, and is often used as a display device to allow learners to understand grammar more clearly when performing english grammar teaching, but the conventional display device for english grammar teaching still has certain problems:
1. the available space of the existing display device for English grammar teaching is often fixedly arranged, so that the display device has larger limitation when in use, and the progress of grammar teaching is easily influenced if the space is insufficient for writing or displaying;
2. moreover, most of the existing display devices are in the form of blackboard-writing, the blackboard-writing which is not needed on the display board needs to be wiped after the blackboard-writing is finished, and the existing device is inconvenient to operate when being erased and cannot be erased up and down simultaneously.
To above-mentioned problem, carry out the innovative design on original display device for english grammar teaching's basis.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a display device with adjustable english grammar teaching is with space, the usable space of the present display device for english grammar teaching often all is fixed setting on solving the existing market that above-mentioned background art provided, make it have great limitation when using, if the space is when not enough writing or show, influence the progress of grammar teaching easily, and need clean the blackboard writing that does not need on the show board after the blackboard writing is accomplished, the inconvenient operation when current device is erased, can not be simultaneously to the problem of erasing from top to bottom.
In order to achieve the above object, the utility model provides a following technical scheme: a space-adjustable display device for English grammar teaching comprises a device support and a through groove, wherein the through groove is formed in the inner side of the device support, a front display board and a rear display board are arranged in the through groove, teeth are welded on the sides, close to one side, of the front display board and the rear display board, an adjusting gear is arranged between the front display board and the rear display board, an adjusting shaft is arranged in the middle of the adjusting gear in a penetrating mode, the adjusting shaft penetrates through the device support and is connected with a positioning block, a limiting block is sleeved on the outer side of the adjusting shaft and is positioned on the side, away from the through groove, of the device support, grooves are formed in the inner sides of the limiting block and the positioning block, a convex block is welded on the outer sides of the adjusting shaft and the positioning block, a fixed shaft is fixedly arranged between the device support, a movable block is sleeved on the outer side of the fixed shaft, a pull rope is connected on one side of the movable block, a first reset spring is sleeved on the outer side of the fixed shaft, the movable block is fixedly provided with a first brush head, a limiting shaft is arranged inside the first brush head, a second brush head is connected and arranged outside the limiting shaft, a second reset spring is sleeved outside the limiting shaft, and the pull rope penetrates through the support of the device and is connected with a take-up shaft.
Preferably, the front display board and the rear display board are the same in size, form a sliding structure inside the through groove, and are symmetrically arranged about a longitudinal central axis of the device support.
Preferably, the adjusting gear and the adjusting shaft are integrally arranged, the adjusting shaft is positioned on a central shaft of the device bracket, and the adjusting gear is in meshed connection with the teeth.
Preferably, the positioning block forms a sliding structure outside the adjusting shaft, the positioning block forms a clamping structure outside the adjusting shaft through a groove and a projection, and the positioning block forms a clamping structure inside the limiting block through a groove and a projection.
Preferably, the movable block forms a reciprocating sliding structure outside the fixed shaft through a pull rope and a first return spring, and the movable block and the first brush head are integrally arranged.
Preferably, the second brush head is kept away from movable block one end and is set up for "L" shape, and the second brush head is connected for the block with the connected mode of preceding show board and back show board to first brush head and second brush head are laminated each other with preceding show board and back show board.
Compared with the prior art, the beneficial effects of the utility model are that: the space-adjustable display device for English grammar teaching,
1. by arranging the adjusting gear, the adjusting shaft, the positioning block, the limiting block, the teeth and the like, the teeth meshed with the adjusting gear, the front display board and the rear display board can be driven by the adjusting gear to move oppositely, so that the use space of the display board is changed, the display board can meet various use requirements, and the moved display board can be positioned;
2. through the setting of first brush head and second brush head, the first epaxial connection of second brush head in first brush can satisfy when the show board removes brush head and show board laminating mutually all the time, carries out the rolling to the stay cord through the receipts spool to drive first brush head and second brush head and wipe the blackboard writing on the show board.
Drawings
FIG. 1 is a schematic view of the overall front view structure of the present invention;
FIG. 2 is a schematic view of the overall right-side cross-sectional structure of the present invention;
FIG. 3 is a schematic view of the connection structure of the first brush head and the second brush head of the present invention;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;
FIG. 5 is a schematic view of the connecting structure of the positioning block and the adjusting shaft of the present invention;
fig. 6 is a schematic view of the connection structure of the groove and the bump of the present invention.
In the figure: 1. a device holder; 2. a through groove; 3. a front display board; 4. a rear display board; 5. teeth; 6. an adjusting gear; 7. an adjustment shaft; 8. positioning blocks; 9. a limiting block; 10. a groove; 11. a bump; 12. a fixed shaft; 13. a movable block; 14. pulling a rope; 15. a first return spring; 16. a first brush head; 17. a second brush head; 18. a limiting shaft; 19. a second return spring; 20. and (4) taking up the spool.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a space-adjustable display device for English grammar teaching comprises a device support 1 and a through groove 2, wherein the through groove 2 is formed in the inner side of the device support 1, a front display plate 3 and a rear display plate 4 are arranged in the through groove 2, teeth 5 are welded on one side, close to one side, of the front display plate 3 and the rear display plate 4, an adjusting gear 6 is arranged between the front display plate 3 and the rear display plate 4, an adjusting shaft 7 is arranged in the middle of the adjusting gear 6 in a penetrating manner, the adjusting shaft 7 penetrates through the device support 1 and is connected with a positioning block 8, a limiting block 9 is sleeved on the outer side of the adjusting shaft 7, the limiting block 9 is positioned on one side, far away from the through groove 2, of the limiting block 9 and the inner side of the positioning block 8 are provided with a groove 10, meanwhile, a convex block 11 is welded on the outer sides of the adjusting shaft 7 and the positioning block 8, a fixed shaft 12 is fixedly arranged between the device support 1, and a movable block 13 is sleeved on the outer side of the fixed shaft 12, a pull rope 14 is connected to one side of the movable block 13, a first return spring 15 is sleeved on the outer side of the fixed shaft 12, a first brush head 16 is fixedly mounted on the movable block 13, a limiting shaft 18 is mounted inside the first brush head 16, a second brush head 17 is connected and mounted on the outer side of the limiting shaft 18, a second return spring 19 is sleeved and mounted on the outer side of the limiting shaft 18, and the pull rope 14 penetrates through the device support 1 and is connected with a take-up shaft 20;
the size of the front display board 3 is the same as that of the back display board 4, the front display board 3 and the back display board 4 form a sliding structure in the through groove 2, and the front display board 3 and the back display board 4 are symmetrically arranged relative to the longitudinal central axis of the device bracket 1, so that the use space of the display boards can be enlarged by the sliding of the front display board 3 and the back display board 4;
the adjusting gear 6 and the adjusting shaft 7 are integrally arranged, the adjusting shaft 7 is positioned on a central shaft of the device bracket 1, and the adjusting gear 6 is connected with the teeth 5 in a meshing manner, so that the adjusting gear 6 is driven by the adjusting shaft 7 to rotate, and the front display board 3 and the rear display board 4 connected with the teeth 5 are driven to adjust the positions;
the positioning block 8 forms a sliding structure on the outer side of the adjusting shaft 7, the positioning block 8 forms a clamping structure on the outer side of the adjusting shaft 7 through the groove 10 and the bump 11, and the positioning block 8 forms a clamping structure on the inner side of the limiting block 9 through the groove 10 and the bump 11, so that the rotation of the adjusting gear 6 can be positioned through the adjusting shaft 7, the positioning block 8 and the limiting block 9;
the movable block 13 forms a reciprocating sliding structure at the outer side of the fixed shaft 12 through a pull rope 14 and a first return spring 15, and the movable block 13 and the first brush head 16 are integrally arranged, so that the movable block 13 can drive the first brush head 16 to move;
the second brush head 17 is kept away from movable block 13 one end and is "L" shape setting, and the second brush head 17 is connected for the block with preceding show board 3 and the connected mode of back show board 4 to first brush head 16 and second brush head 17 are laminated each other with preceding show board 3 and back show board 4, are favorable to first brush head 16 and second brush head 17 to carry out the blackboard writing to the show board and erase.
The working principle is as follows: according to the figures 1-2 and 4-6, when the space adjustable display device for English grammar teaching is used, firstly, a user can adjust the space size of the display board according to the use requirement, the positioning block 8 is rotated to drive the adjusting shaft 7 to rotate, so as to drive the adjusting gear 6 to rotate, the teeth 5 meshed and connected with the adjusting gear 6 drive the front display board 3 and the rear display board 4 to move in the through groove 2 inside the device bracket 1 in the opposite direction, so as to make the front display board 3 and the rear display board 4 dislocate on the device bracket 1, the use space is enlarged, after the size required by the user is reached, the positioning block 8 is moved outside the adjusting shaft 7, the lug 11 outside the positioning block 8 is clamped with the groove 10 arranged inside the limiting block 9, so that the positioning block 8 is clamped inside the limiting block 9, and the positioning of the adjusting gear 6 is completed, so that the front display board 3 and the rear display board 4 are positioned;
according to fig. 1-4, when the front display board 3 and the rear display board 4 move, the second brush head 17 is driven to move, so that the second brush head 17 moves outside the limiting shaft 18 at the inner side of the first brush head 16 and presses the second return spring 19, the first brush head 16 and the second brush head 17 are always connected, when the display device is used to complete a grammar book, when the grammar book needs to be erased, the wire take-up shaft 20 is rotated to contract the pull rope 14, and when the pull rope 14 contracts, the movable block 13 is driven to move outside the fixed shaft 12, so that the first brush head 16 and the second brush head 17 erase the grammar book on the surfaces of the front display board 3 and the rear display board 4.
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 or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a display device with adjustable english grammar teaching is with space, includes device support (1) and leads to groove (2), its characterized in that: the device is characterized in that a through groove (2) is formed in the inner side of a device support (1), a front display board (3) and a rear display board (4) are arranged in the through groove (2), a tooth (5) is welded and installed on one side, close to each other, of the front display board (3) and the rear display board (4), an adjusting gear (6) is arranged between the front display board (3) and the rear display board (4), an adjusting shaft (7) penetrates through the middle of the adjusting gear (6), the adjusting shaft (7) penetrates through the device support (1) and is connected with a positioning block (8), a limiting block (9) is sleeved on the outer side of the adjusting shaft (7), the limiting block (9) is located on one side, far away from the through groove (2), of the limiting block (9) and the inner side of the positioning block (8) are provided with a groove (10), and a convex block (11) is welded and installed on the outer sides of the adjusting shaft (7) and the positioning block (8), fixed mounting has fixed axle (12) between device support (1), and fixed axle (12) outside cover is established and is installed movable block (13) to movable block (13) one side is connected with stay cord (14), fixed axle (12) outside cover is equipped with first reset spring (15), fixed mounting has first brush head (16) on movable block (13), and first brush head (16) internally mounted has spacing axle (18) to spacing axle (18) outside is connected and is installed second brush head (17), spacing axle (18) outside cover is established and is installed second reset spring (19), stay cord (14) run through device support (1) and are connected with take-up reel (20).
2. The display device with adjustable space for english grammar teaching of claim 1, characterized in that: the size of the front display board (3) is the same as that of the rear display board (4), the front display board (3) and the rear display board (4) form a sliding structure inside the through groove (2), and the front display board (3) and the rear display board (4) are symmetrically arranged around the longitudinal central axis of the device support (1).
3. The display device with adjustable space for english grammar teaching of claim 1, characterized in that: the adjusting gear (6) and the adjusting shaft (7) are integrally arranged, the adjusting shaft (7) is positioned on a central shaft of the device support (1), and the adjusting gear (6) is connected with the teeth (5) in a meshing manner.
4. The display device with adjustable space for english grammar teaching of claim 1, characterized in that: the positioning block (8) forms a sliding structure on the outer side of the adjusting shaft (7), the positioning block (8) forms a clamping structure on the outer side of the adjusting shaft (7) through the groove (10) and the bump (11), and the positioning block (8) forms a clamping structure on the inner side of the limiting block (9) through the groove (10) and the bump (11).
5. The display device with adjustable space for english grammar teaching of claim 1, characterized in that: the movable block (13) forms a reciprocating sliding structure at the outer side of the fixed shaft (12) through a pull rope (14) and a first return spring (15), and the movable block (13) and the first brush head (16) are integrally arranged.
6. The display device with adjustable space for english grammar teaching of claim 1, characterized in that: the second brush head (17) is kept away from movable block (13) one end and is set up for "L" shape, and the second brush head (17) is connected for the block with the connected mode of preceding show board (3) and back show board (4) to first brush head (16) and second brush head (17) are laminated each other with preceding show board (3) and back show board (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120417176.2U CN214847313U (en) | 2021-02-25 | 2021-02-25 | Display device with adjustable english grammar teaching is with space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120417176.2U CN214847313U (en) | 2021-02-25 | 2021-02-25 | Display device with adjustable english grammar teaching is with space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214847313U true CN214847313U (en) | 2021-11-23 |
Family
ID=78952129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120417176.2U Expired - Fee Related CN214847313U (en) | 2021-02-25 | 2021-02-25 | Display device with adjustable english grammar teaching is with space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214847313U (en) |
-
2021
- 2021-02-25 CN CN202120417176.2U patent/CN214847313U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211123 |