CN215321643U - Writing board for English teaching - Google Patents
Writing board for English teaching Download PDFInfo
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- CN215321643U CN215321643U CN202120400689.2U CN202120400689U CN215321643U CN 215321643 U CN215321643 U CN 215321643U CN 202120400689 U CN202120400689 U CN 202120400689U CN 215321643 U CN215321643 U CN 215321643U
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Abstract
The utility model discloses a writing board for English teaching, which comprises a writing board body, an extension board adjusting device and an auxiliary cleaning device, wherein the writing board body comprises a supporting box, a hydraulic cylinder and a placing seat, the hydraulic cylinder is arranged on the top wall of the supporting box, the placing seat is arranged at the upper end of the hydraulic cylinder, the writing board is arranged on the front side of the placing seat, a hollow cavity is arranged inside the placing seat, penetrating grooves are formed in the two side walls of the placing seat, the extension board adjusting device is arranged in the placing seat, and the auxiliary cleaning device is arranged on the front wall of the placing seat. The utility model relates to the technical field of teaching devices, in particular to a writing board with an extending auxiliary board for English teaching, which can assist in cleaning.
Description
Technical Field
The utility model relates to the technical field of teaching devices, in particular to a writing board for English teaching.
Background
English is a course which is necessary for each student, has the characteristics of large vocabulary and wide grammar relating range, and requires more knowledge points to be understood and memorized by the students in the English learning process. In order to enable students to understand words and grammar better, in the English teaching process, teachers often use chalks to write a large amount of characters on a blackboard, and meanwhile students are required to listen and write on the blackboard regularly to check the actual course mastering degree of the students. Most of the existing writing boards are inconvenient to clean and have small writing areas.
SUMMERY OF THE UTILITY MODEL
In view of the above situation, in order to overcome the current technical defects, the utility model provides a writing board for english teaching, which has an extension auxiliary board and can assist in cleaning.
The technical scheme adopted by the utility model is as follows: the writing board for English teaching comprises a writing board body, an extension board adjusting device and an auxiliary cleaning device, wherein the writing board body comprises a supporting box, a hydraulic cylinder and a placing seat, the hydraulic cylinder is arranged on the top wall of the supporting box, the placing seat is arranged at the upper end of the hydraulic cylinder, the writing board is arranged on the front side of the placing seat, a hollow cavity is arranged inside the placing seat, penetrating grooves are formed in the two side walls of the placing seat, the extension board adjusting device is arranged in the placing seat, and the auxiliary cleaning device is arranged on the front wall of the placing seat; the extension plate adjusting device comprises a driving motor, a transmission belt, a transmission screw rod, thread blocks and an extension plate assembly, the driving motor is arranged on the rear wall of the placing seat, a through hole is formed in the lower end of the rear wall of the placing seat, two ends of the transmission screw rod are respectively and rotatably arranged on the inner sides of the top wall and the bottom wall of the placing seat, two ends of the transmission belt penetrate through the through hole in the lower end of the rear wall of the placing seat and are respectively sleeved on the output shaft of the driving motor and the transmission screw rod, two groups of thread groups with opposite spiral directions are arranged on the transmission screw rod, two groups of thread blocks are respectively arranged on the two groups of thread groups with opposite spiral directions through thread connection, the extension plate assembly is arranged on the two groups of thread blocks and comprises an extension plate and a connecting rod, a sliding groove is formed in the inner bottom wall of the placing seat, and a sliding block is arranged in the sliding groove in a clamping manner, the extension plate is arranged on the sliding block, two groups of connecting rods are arranged on the connecting rod, the two groups of connecting rods are respectively hinged on the two groups of thread blocks, and the other ends of the two groups of connecting rods are respectively hinged with the extension plate; the auxiliary cleaning device comprises a knob, a rotating shaft, a transmission gear, a slide plate and a cleaning piece, the rotating shaft is rotatably arranged on the rear wall of the placing seat, the front end of the rotating shaft penetrates through the front wall of the placing seat, the upper end of the front wall of the placing seat is provided with two groups of transverse grooves, the two groups of transverse grooves are arranged on the front wall of the placing seat in a vertically staggered manner, the two groups of transverse grooves are internally provided with lugs in a clamping and sliding manner, the slide plate comprises a first slide plate and a second slide plate, the first slide plate is arranged on a group of the convex blocks, the second slide plate is arranged on the other group of the convex blocks, straight racks are arranged on one sides of the first slide plate and the second slide plate close to one side, the two groups of the straight racks are respectively meshed with the transmission gear, the cleaning pieces are arranged in two groups, and the two groups of cleaning pieces are respectively arranged at the lower ends of the first slide plate and the second slide plate.
Further, all be equipped with the slide groove on the wall of support case both sides, support case roof both sides all are equipped with the spacing groove, and are two sets of the spacing groove respectively with two sets of the slide groove link up, and is two sets of the block slides in the slide groove and is equipped with slide rod, and is two sets of all be equipped with the gag lever post on the slide rod, it is two sets of the gag lever post is located two sets of respectively the spacing inslot, two sets of slide rod deviates from one side and all is equipped with auxiliary support plate.
Furthermore, the extension plate assemblies are symmetrically provided with two groups about the transmission screw, and the two groups of extension plate assemblies are respectively positioned on two sides of the two groups of thread blocks.
Further, a transverse placing groove is formed in the lower end of the front wall of the placing seat, a fixing block is arranged in the transverse placing groove, and a dust collecting box is arranged at the front end of the fixing block.
Further, place all to be equipped with clean sponge on the seat both sides wall, accomodate when reseing after two sets of extension boards use and can clean extension board surface.
Further, the width of the second slide plate is larger than that of the first slide plate, and the cleaning piece at the lower end of the second slide plate is positioned in front of the cleaning piece at the lower end of the first slide plate.
Further, the driving motor is a forward and reverse rotating motor.
The utility model with the structure has the following beneficial effects: compared with the traditional device, the writing board for English teaching has the advantages that: (1) the adjustable extension board is provided, and can be used for assisting in the full writing state of the writing board; (2) the writing board can be cleaned through the auxiliary cleaning device, so that manual wiping is reduced; (3) has the functions of lifting and stable supporting; the operation flexibility is better, and the device can be flexibly used in different places.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic view of the overall structure of a writing board for English teaching according to the present invention;
fig. 2 is a left side sectional view of a writing board for english teaching according to the present invention;
fig. 3 is a view showing an internal structure of a supporting box of a writing board for english teaching according to the present invention;
fig. 4 is a schematic view of an extension board adjusting device of a writing board for english teaching according to the present invention.
The dust collection box comprises a supporting box 1, a supporting box 2, a hydraulic cylinder 3, a placing seat 4, a driving motor 5, a driving belt 6, a driving screw rod 7, a thread block 8, an extending plate 9, a connecting rod 10, a knob 11, a rotating shaft 12, a driving gear 13, a first slide plate 14, a second slide plate 15, a cleaning piece 16, a slide rod 17, a limiting rod 18, an auxiliary supporting plate 19 and a dust collection box.
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.
It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1 to 4, the technical scheme adopted by the utility model is as follows: the utility model relates to a writing board for English teaching, which comprises a writing board body, an extension board adjusting device and an auxiliary cleaning device, wherein the writing board body comprises a supporting box 1, a hydraulic cylinder 2 and a placing seat 3, the hydraulic cylinder 2 is arranged on the top wall of the supporting box 1, the placing seat 3 is arranged at the upper end of the hydraulic cylinder 2, the writing board is arranged on the front side of the placing seat 3, the inside of the placing seat 3 is a hollow cavity, through grooves are respectively arranged on two side walls of the placing seat 3, the extension board adjusting device is arranged in the placing seat 3, and the auxiliary cleaning device is arranged on the front wall of the placing seat 3; the extension plate adjusting device comprises a driving motor 4, a driving belt 5, a transmission screw 6, thread blocks 7 and an extension plate assembly, wherein the driving motor 4 is arranged on the rear wall of the placing seat 3, a through hole is formed in the lower end of the rear wall of the placing seat 3, two ends of the transmission screw 6 are respectively and rotatably arranged on the inner sides of the top wall and the bottom wall of the placing seat 3, two ends of the driving belt 5 penetrate through the through hole in the lower end of the rear wall of the placing seat 3 and are respectively sleeved on the output shaft of the driving motor 4 and the transmission screw 6, two groups of thread groups with opposite spiral directions are arranged on the transmission screw 6, two groups of thread blocks 7 are respectively and are connected on the two groups of thread groups with opposite spiral directions through threads, the extension plate assembly is arranged on the two groups of thread blocks 7, and comprises an extension plate 8 and a connecting rod 9, a sliding groove is formed in the inner bottom wall of the placing seat 3, a sliding block is arranged in the sliding groove in a clamping and sliding manner, the extension plate 8 is arranged on the sliding block, two groups of connecting rods 9 are arranged, the two groups of connecting rods 9 are respectively hinged to the two groups of thread blocks 7, and the other ends of the two groups of connecting rods 9 are respectively hinged to the extension plate 8; the auxiliary cleaning device comprises a knob 10, a rotating shaft 11, a transmission gear 12, a slide plate and a cleaning piece 15, the rotating shaft 11 is rotatably arranged on the rear wall of the placing seat 3, the front end of the rotating shaft penetrates through the front wall of the placing seat 3, the upper end of the front wall of the placing seat 3 is provided with two groups of transverse grooves, the two groups of transverse grooves are arranged on the front wall of the placing seat 3 in a vertically staggered manner, the two groups of transverse grooves are respectively provided with a convex block in a clamping and sliding manner, the slide plate comprises a first slide plate 13 and a second slide plate 14, the first slide plate 13 is arranged on a group of the convex blocks, the second slide plate 14 is arranged on the other group of the convex blocks, straight racks are arranged on one sides of the first slide plate 13 and the second slide plate 14 close to each other, the two groups of the straight racks are respectively meshed with the transmission gear 12, two groups of cleaning pieces 15 are arranged, and the two groups of cleaning pieces 15 are respectively arranged at the lower ends of the first slide plate 13 and the second slide plate 14.
Specifically, all be equipped with the slide groove on the 1 both sides wall of supporting box, 1 roof both sides of supporting box all are equipped with the spacing groove, and are two sets of the spacing groove respectively with two sets of the slide groove link up, and is two sets of the block slides in the slide groove and is equipped with slide bar 16, and is two sets of all be equipped with gag lever post 17 on the slide bar 16, two sets of gag lever post 17 is located two sets of respectively the spacing inslot, two sets of slide bar 16 deviates from one side and all is equipped with auxiliary support plate 18. The extension plate 8 assemblies are symmetrically provided with two groups about the transmission screw 6, and the two groups of extension plate 8 assemblies are respectively positioned at two sides of the two groups of thread blocks 7. The lower end of the front wall of the placing seat 3 is provided with a transverse placing groove, a fixing block is arranged in the transverse placing groove, and the front end of the fixing block is provided with a dust collecting box 19. Place and all be equipped with clean sponge on 3 both sides walls of seat, accomodate when reseing after two sets of extension boards 8 use and clean 8 surfaces of extension board. The width of the second slide position plate 14 is greater than that of the first slide position plate 13, and the cleaning pieces 15 at the lower end of the second slide position plate 14 are positioned in front of the cleaning pieces 15 at the lower end of the first slide position plate 13. The driving motor 4 is a forward and reverse rotating motor.
When the multifunctional writing board is used specifically, when the extension board 8 is needed to be used for writing, the driving motor 4 is turned on, the driving motor 4 drives the transmission screw 6 to rotate through the transmission belt 5, the transmission screw 6 drives the two groups of thread blocks 7 to move close to or away from each other in the vertical direction through threaded connection, the thread blocks 7 drive the extension board 8 to slide in the sliding grooves through the connecting rods 9, after the use is finished, the driving motor 4 drives the extension board 8 to reset, and the cleaning sponge on the side wall of the placing seat 3 is used for wiping and cleaning while the extension board 8 resets and slides; when the writing board needs to be cleaned, the hydraulic cylinder 2 is firstly controlled to adjust the height of the placing seat 3, the knob 10 is further rotated, and the knob 10 is meshed through the transmission gear 12 to drive the first slide plate 13 and the second slide plate 14 to move close to or away from each other, so that the purpose of cleaning the surface of the writing board is achieved.
It is noted that, herein, relational terms such as first and second, and the like may be 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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A writing board for English teaching, which is characterized in that: the writing board comprises a writing board body, an extension board adjusting device and an auxiliary cleaning device, wherein the writing board body comprises a supporting box, a hydraulic cylinder and a placing seat, the hydraulic cylinder is arranged on the top wall of the supporting box, the placing seat is arranged at the upper end of the hydraulic cylinder, the writing board is arranged on the front side of the placing seat, the interior of the placing seat is a hollow cavity, penetrating grooves are formed in two side walls of the placing seat, the extension board adjusting device is arranged in the placing seat, and the auxiliary cleaning device is arranged on the front wall of the placing seat; the extension plate adjusting device comprises a driving motor, a transmission belt, a transmission screw rod, thread blocks and an extension plate assembly, the driving motor is arranged on the rear wall of the placing seat, a through hole is formed in the lower end of the rear wall of the placing seat, two ends of the transmission screw rod are respectively and rotatably arranged on the inner sides of the top wall and the bottom wall of the placing seat, two ends of the transmission belt penetrate through the through hole in the lower end of the rear wall of the placing seat and are respectively sleeved on the output shaft of the driving motor and the transmission screw rod, two groups of thread groups with opposite spiral directions are arranged on the transmission screw rod, two groups of thread blocks are respectively arranged on the two groups of thread groups with opposite spiral directions through thread connection, the extension plate assembly is arranged on the two groups of thread blocks and comprises an extension plate and a connecting rod, a sliding groove is formed in the inner bottom wall of the placing seat, and a sliding block is arranged in the sliding groove in a clamping manner, the extension plate is arranged on the sliding block, two groups of connecting rods are arranged on the connecting rod, the two groups of connecting rods are respectively hinged on the two groups of thread blocks, and the other ends of the two groups of connecting rods are respectively hinged with the extension plate; the auxiliary cleaning device comprises a knob, a rotating shaft, a transmission gear, a slide plate and a cleaning piece, the rotating shaft is rotatably arranged on the rear wall of the placing seat, the front end of the rotating shaft penetrates through the front wall of the placing seat, the upper end of the front wall of the placing seat is provided with two groups of transverse grooves, the two groups of transverse grooves are arranged on the front wall of the placing seat in a vertically staggered manner, the two groups of transverse grooves are internally provided with lugs in a clamping and sliding manner, the slide plate comprises a first slide plate and a second slide plate, the first slide plate is arranged on a group of the convex blocks, the second slide plate is arranged on the other group of the convex blocks, straight racks are arranged on one sides of the first slide plate and the second slide plate close to one side, the two groups of the straight racks are respectively meshed with the transmission gear, the cleaning pieces are arranged in two groups, and the two groups of cleaning pieces are respectively arranged at the lower ends of the first slide plate and the second slide plate.
2. The writing board for english teaching according to claim 1, wherein: all be equipped with the glide groove on the wall of support case both sides, support roof both sides all are equipped with the spacing groove, and are two sets of the spacing groove respectively with two sets of the glide groove link up, and is two sets of the block slides in the glide groove and is equipped with the glide rod, and is two sets of all be equipped with the gag lever post on the glide rod, and is two sets of the gag lever post is located two sets of respectively the spacing inslot, two sets of the glide rod deviates from one side and all is equipped with auxiliary support plate.
3. The writing board for english teaching according to claim 1, wherein: the extension plate assemblies are symmetrically provided with two groups about the transmission screw rod, and the two groups of extension plate assemblies are respectively positioned on two sides of the two groups of thread blocks.
4. The writing board for english teaching according to claim 1, wherein: the dust collecting box is characterized in that a transverse placing groove is formed in the lower end of the front wall of the placing seat, a fixing block is arranged in the transverse placing groove, and a dust collecting box is arranged at the front end of the fixing block.
5. The writing board for english teaching according to claim 4, wherein: cleaning sponges are arranged on the two side walls of the placing seat.
6. The writing board for english teaching according to claim 1, wherein: the width of the second slide position plate is larger than that of the first slide position plate, and the cleaning piece at the lower end of the second slide position plate is positioned in front of the cleaning piece at the lower end of the first slide position plate.
7. The writing board for english teaching according to claim 1, wherein: the driving motor is a forward and reverse rotating motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120400689.2U CN215321643U (en) | 2021-02-23 | 2021-02-23 | Writing board for English teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120400689.2U CN215321643U (en) | 2021-02-23 | 2021-02-23 | Writing board for English teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215321643U true CN215321643U (en) | 2021-12-28 |
Family
ID=79581791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120400689.2U Active CN215321643U (en) | 2021-02-23 | 2021-02-23 | Writing board for English teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215321643U (en) |
-
2021
- 2021-02-23 CN CN202120400689.2U patent/CN215321643U/en active Active
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| GR01 | Patent grant |