CN211403769U

CN211403769U - Business english applied writing learning device

Info

Publication number: CN211403769U
Application number: CN202020264669.2U
Authority: CN
Inventors: 高现伟
Original assignee: Xuchang University
Current assignee: Xuchang University
Priority date: 2020-03-05
Filing date: 2020-03-05
Publication date: 2020-09-01
Anticipated expiration: 2030-03-05

Abstract

The utility model relates to a business english technical field, especially relate to business english practical writing learning device, including study panel, bottom plate and pivot, the bottom and the top of pivot respectively with the top middle part of bottom plate and the bottom middle part rotatable coupling of study panel, the pivot outside cover is equipped with fixed cover, there is the worm wheel through the key-type connection in the pivot, and the left side meshing of worm wheel has the worm, the top of worm is provided with the transmission shaft, and the front end and the rear end of worm and the front end and the rear end of transmission shaft divide and do not rotatable coupling with the front side inner wall and the rear side inner wall of fixed cover, through the meshing of first umbelliform gear and second umbelliform gear, the rotation regulating shaft is convenient for rotate the transmission shaft, through the transmission of belt, be convenient for drive the worm rotation, through the direct meshing of worm and worm wheel, be convenient for drive the pivot rotation, thereby can carry out angle adjustment to, the adaptability is improved.

Description

Business english applied writing learning device

Technical Field

The utility model particularly relates to a business english technical field especially relates to business english applied writing learning device.

Background

When the Chinese market is more deeply integrated into the international economic society, the requirement of talents in the domestic talent market on business English is more and more increased due to the login of a large number of foreign companies, the business English aims at meeting the language requirement of the workplace life, the content relates to the aspects of business activities, and the business English is a necessary course for business people. Among them, business english application writing is very important.

Through the retrieval, chinese patent publication is CN 203596122U's utility model patent discloses a study device is write to business english application, including the main panel, set up in the side board of main panel both sides, main panel and side between the board through hinge connection, the rear of main panel can be rolled over to the side board, the rear of main panel is rolled over to the side board, the magnet of side board and the magnet inter attraction of main panel.

The above patents suffer from the following disadvantages: the adaptive capacity is poor, the study angle is not convenient to adjust, and the study use requirements of the study personnel can not be well met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a business English applied writing learning device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a business English applied writing learning device comprises a learning panel, an adjustable base is installed at the bottom end of the learning panel and comprises a bottom plate and a rotating shaft, the bottom end and the top end of the rotating shaft are respectively in rotatable connection with the middle of the top end of the bottom plate and the middle of the bottom end of the learning panel, a fixed cover is sleeved outside the rotating shaft, the bottom end of the fixed cover is fixedly connected with the top end of the bottom plate, a through hole suitable for the rotating shaft to penetrate through and rotate is formed in the top side wall of the fixed cover, a worm wheel is connected to the rotating shaft through a key, a worm is meshed on the left side of the worm wheel, a transmission shaft is arranged above the worm, the front end and the rear end of the worm and the front end and the rear end of the transmission shaft are respectively in rotatable connection with the inner wall and the inner wall of the rear side of the fixed cover, a lower belt wheel is connected to the worm through a key, there is first umbelliform gear through the key connection on the transmission shaft to the left side meshing of first umbelliform gear has the second umbelliform gear, and the left end of second umbelliform gear is connected with the regulating spindle with one heart, and the left end of regulating spindle passes the left side wall of fixed cover and stretches out to the left end of fixed cover external world, regulating spindle and the left side wall rotatable coupling of fixed cover, and the crank is installed to the left end of regulating spindle, be provided with gyro wheel mechanism on the bottom plate.

Furthermore, the roller mechanism comprises four universal wheels and a pressing plate, the middle of the pressing plate is provided with a square hole suitable for the fixed cover to pass through, the four corners of the bottom end of the bottom plate are respectively provided with a placing groove, an adjusting through hole which runs through the placing groove from top to bottom is formed in the top side wall of the placing groove, a supporting shaft is arranged inside the adjusting through hole, the top ends of the four supporting shafts are respectively connected with the four corners of the bottom end of the pressing plate, a supporting spring is sleeved outside the supporting shaft, the top end and the bottom end of the supporting spring are respectively connected with the bottom end of the pressing plate and the top end of the bottom plate, the four universal wheels are respectively arranged inside the four placing grooves and respectively connected with the bottom ends of the four supporting shafts, and a locking structure used for limiting.

Further, the locking structure includes two arm-tie, the regional four corners position department in bottom plate upper portion all is provided with the cavity to four cavities communicate with each other with four adjusting hole respectively, every cavity is inside all to be provided with the spacer pin, and the spacer pin endotheca is equipped with spacing spring and stop collar, the stop collar setting be close to adjusting hole one side and with spacer pin fixed connection, spacing spring's both ends respectively with keep away from on spacer collar and the cavity and adjust a lateral wall fixed connection who passes through, the middle part of cavity is provided with the slip through-hole that runs through, and the spacer pin runs through the setting inside the slip through-hole, the one side upper portion that is close to the spacer pin on four back shafts all is provided with spacing hole.

Furthermore, the left ends of the two limiting pins on the left side in the limiting pins and the right ends of the two limiting pins on the right side in the limiting pins are both provided with connecting plates.

Furthermore, a pull ring is arranged in the middle of the other end of the connecting plate.

Furthermore, the four corners of the pressing plate are provided with support through holes which penetrate through the pressing plate from top to bottom, the four support through holes are internally provided with slide bars in a longitudinally slidable manner, and the bottom ends of the four slide bars are respectively connected with the four corners of the top end of the bottom plate.

Furthermore, the top ends of the two slide bars on the left side and the top ends of the two slide bars on the right side in the four slide bars are connected with grab bars.

Furthermore, an anti-slip rubber cushion plate is adhered to the bottom end of the bottom plate.

The utility model has the advantages that:

1. through the meshing of first umbelliform gear and second umbelliform gear, rotate the regulating spindle and be convenient for rotate the transmission shaft, through the transmission of belt, be convenient for drive the worm and rotate, through the direct meshing of worm and worm wheel, be convenient for drive the pivot and rotate to can carry out angle adjustment to the study panel, improve the adaptability.

2. Through the auto-lock nature between worm wheel and the worm, can drive the worm wheel through the worm and rotate, make the worm wheel be not convenient for drive the worm and rotate to can effectually will rotate the angular stability after adjusting to the study panel and maintain, prevent arbitrary rotation.

3. Through the crank, the person of being convenient for use rotates the regulating spindle, uses manpower sparingly, and through setting up the crank in higher position department, makes things convenient for people to use, reduces the condition of bowing, reasonable in design, it is convenient to use.

4. Through gyro wheel mechanism, be convenient for study panel removes the position of use, reduces the transport, uses manpower sparingly.

Drawings

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

FIG. 2 is a schematic view of a portion of the enlarged structure of FIG. 1;

fig. 3 is a schematic perspective view of the present invention;

fig. 4 is a schematic structural view of the left-side view portion of the present invention, which provides the connection of the transmission shaft, the first bevel gear, the worm, etc.

In the figure: 1. a learning panel; 2. a base plate; 3. a rotating shaft; 4. a fixed cover; 5. a worm gear; 6. a worm; 7. a drive shaft; 8. a lower belt pulley; 9. an upper belt pulley; 10. a belt; 11. a first bevel gear; 12. a second bevel gear; 13. an adjustment shaft; 14. a crank; 15. a universal wheel; 16. a pressing plate; 17. a support spring; 18. a spacing pin; 19. a limiting spring; 20. a limiting sleeve; 21. a limiting hole; 22. a connecting plate; 23. a pull ring; 24. a slide bar; 25. a grab rail; 26. an antiskid rubber pad.

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.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-4, a business english practice writing learning device, includes a learning panel 1 for writing business english practice, an adjustable base is installed at the bottom end of the learning panel 1, and the adjustable base includes a bottom plate 2 and a rotating shaft 3, the bottom end and the top end of the rotating shaft 3 are respectively rotatably connected with the middle of the top end of the bottom plate 2 and the middle of the bottom end of the learning panel 1, so as to facilitate the relative rotation between the learning panel 1 and the bottom plate 2, a fixed cover 4 is sleeved outside the rotating shaft 3, the bottom end of the fixed cover 4 is fixedly connected with the top end of the bottom plate 2, a through hole suitable for the rotating shaft 3 to pass through and rotate is arranged on the top side wall of the fixed cover 4, a worm wheel 5 is connected on the rotating shaft 3 through a key, a worm 6 is engaged on the left side of the worm wheel 5, and the worm wheel 5 can, the worm wheel 5 is not convenient to drive the worm 6 to rotate, so that the angle of the learning panel 1 after rotation adjustment can be effectively and stably maintained, and any rotation can be prevented, the transmission shaft 7 is arranged above the worm 6, the front end and the rear end of the worm 6 and the front end and the rear end of the transmission shaft 7 are respectively in rotatable connection with the front inner wall and the rear inner wall of the fixed cover 4, the worm 6 is connected with the lower belt pulley 8 through a key, the transmission shaft 7 is connected with the upper belt pulley 9 through a key, the upper belt pulley 9 is in transmission connection with the lower belt pulley 8 through a belt 10, so that the worm 6 and the transmission shaft 7 synchronously and synchronously rotate in the same direction, the transmission shaft 7 is connected with the first umbrella-shaped gear 11 through a key, the left side of the first umbrella-shaped gear 11 is engaged with the second umbrella-shaped gear 12, the left end of the second umbrella-shaped gear 12 is concentrically connected with the adjusting shaft 13, so that a user can conveniently, thereby be convenient for adjust the angle of study panel 1, the left end of regulating spindle 13 passes the left side wall of fixed cover 4 and stretches out to the left end of fixed cover 4 external, regulating spindle 13 and the left side wall rotatable coupling of fixed cover 4, and crank 14 is installed to the left end of regulating spindle 13, and convenient to use person rotates regulating spindle 13, uses manpower sparingly, and through setting up crank 14 in higher position department, makes things convenient for people to use, reduces the condition of bowing, reasonable in design, and it is convenient to use, be provided with gyro wheel mechanism on the bottom plate 2, the study panel 1 of being convenient for removes the use position, reduces the transport, uses manpower sparingly.

It should be further noted that the roller mechanism includes four universal wheels 15 and a pressing plate 16, a square hole suitable for the fixed cover 4 to pass through is formed in the middle of the pressing plate 16, so that the pressing plate 16 can move up and down along the direction of the fixed cover 4, placing grooves are formed at four corners of the bottom end of the bottom plate 2, adjusting through holes penetrating up and down are formed in the top side wall of each placing groove, support shafts are arranged inside the adjusting through holes, the top ends of the four support shafts are respectively connected with the four corners of the bottom end of the pressing plate 16, support springs 17 are sleeved outside the support shafts, the top ends and the bottom ends of the support springs 17 are respectively connected with the bottom end of the pressing plate 16 and the top end of the bottom plate 2, the four universal wheels 15 are respectively arranged inside the four placing grooves and respectively connected with the bottom ends of the four support shafts, and by pressing the pressing plate 16 downward, the four support shafts can be pushed to, the four universal wheels 15 are respectively ejected outwards from the four placing grooves, the use of the four universal wheels 15 is convenient for moving the whole position, the four universal wheels further comprise two pulling plates, four corner positions of the upper area of the bottom plate 2 are respectively provided with a cavity, the four cavities are respectively communicated with four adjusting through holes, a limiting pin 18 is arranged in each cavity, a limiting spring 19 and a limiting sleeve 20 are sleeved on the limiting pin 18, the limiting sleeve 20 is arranged on one side close to the adjusting through holes and is fixedly connected with the limiting pin 18, two ends of the limiting spring 19 are respectively fixedly connected with the limiting sleeve 20 and one side wall far away from the adjusting through holes on the cavity, a through sliding through hole is arranged in the middle of the cavity, the limiting pin 18 is arranged in the sliding through hole in a penetrating manner, the limiting hole 21 is arranged on the upper portion of one side close to the limiting pin 18 on the four supporting shafts, and the limiting spring 19 is matched with the limiting sleeve 20, the limiting pin 18 is always attached to the supporting shaft, when the supporting shaft moves downwards along the direction of the adjusting through hole, when the limiting hole 21 moves to the position of the limiting pin 18, the limiting pin 18 is inserted into the limiting hole 21 under the elastic force of the limiting spring 19, the using position of the universal wheel 15 is limited, the left ends of the two limiting pins 18 positioned on the left side and the right ends of the two limiting pins 18 positioned on the right side in the limiting pin 18 are both provided with a connecting plate 22, so that the limiting pins 18 positioned on the two left sides and the limiting pins 18 positioned on the two right sides can be pulled simultaneously to relieve the limiting of the supporting shaft, the manual operation steps are reduced, the middle part of the other end of the connecting plate 22 is provided with a pull ring 23, the pull plate can be pulled conveniently, the four corners of the pressing plate 16 are both provided with supporting through holes which penetrate up and down, and the sliding rods 24 are longitudinally, the bottom of four slide bars 24 respectively with the top four corners position department of bottom plate 2 connects, keeps pressing the stability in the adjustment process from top to bottom of board 16, four lie in two left slide bar 24 tops and two slide bar 24 tops that lie in the right side in the slide bar 24 and all be connected with bar 25, through bar 25, the person of facilitating the use holds up the bar 25, steps on pressing the board 16 with the foot, ejecting four universal wheels 15, because bottom plate 2 is under bar 25's effect, upwards atress, pressing the board 16 downward atress under the effect that the foot was stepped on, can be faster ejecting four universal wheels 15 downwards, improve the practicality, the bottom of bottom plate 2 is pasted and is had anti-skidding rubber backing plate 26, improves bottom plate 2 and is supporting the anti-skidding stability in the use to the whole.

The working principle of the embodiment is as follows: during the use, at first the user holds grab bar 25, step on down with the foot and press the clamp plate 16, make four universal wheels 15 shift out from four standing grooves, through the roll of four universal wheels 15, will learn panel 1 and remove to the study position of use, then pulling pull ring 23, outwards extract the spacer pin 18, make press the clamp plate 16 upwards return under supporting spring 17's effect, make bottom plate 2 carry out the stable support through anti-skidding rubber backing plate to whole, then according to user's use angle or according to the teaching angle, rotate crank 14, the angle to learning panel 1 is adjusted and is used can.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Business english applied writing learning device, including study panel (1), its characterized in that: the adjustable base is installed to the bottom of study panel (1), and adjustable base includes bottom plate (2) and pivot (3), the bottom and the top of pivot (3) respectively with the top middle part of bottom plate (2) and the bottom middle part rotatable coupling of study panel (1), pivot (3) outside cover is equipped with fixed cover (4), the bottom of fixed cover (4) and the top fixed connection of bottom plate (2), be provided with the through-hole that is fit for pivot (3) to pass and rotate on the top lateral wall of fixed cover (4), there is worm wheel (5) through the key-type connection on pivot (3), and the left side meshing of worm wheel (5) has worm (6), the top of worm (6) is provided with transmission shaft (7), and the front end and the rear end of worm (6) and the front end and the rear end of transmission shaft (7) are equallyd divide respectively with the front side inner wall and the rear side inner wall rotatable coupling of fixed cover (4), there is lower belt pulley (8) through the key-type connection on worm (6), and there is last belt pulley (9) through the key-type connection on transmission shaft (7), go up belt pulley (9) and be connected through belt (10) transmission between belt pulley (8) down, there is first umbelliform gear (11) through the key-type connection on transmission shaft (7), and the left side meshing of first umbelliform gear (11) has second umbelliform gear (12), the left end of second umbelliform gear (12) is connected with regulating spindle (13) with one heart, the left end of regulating spindle (13) passes the left side wall of fixed cover (4) and stretches out to the left end of fixed cover (4) external world, the left side wall rotatable coupling of regulating spindle (13) and fixed cover (4), and crank (14) are installed to the left end of regulating spindle (13), be provided with gyro wheel mechanism on bottom plate (2).

2. The business english language practice writing learning apparatus of claim 1, wherein: the roller mechanism comprises four universal wheels (15) and a pressing plate (16), a square hole suitable for the fixed cover (4) to pass through is arranged in the middle of the pressing plate (16), and the four corners of the bottom end of the bottom plate (2) are provided with placing grooves, the top side wall of the placing groove is provided with an adjusting through hole which penetrates up and down, a supporting shaft is arranged in the adjusting through hole, the top ends of the four supporting shafts are respectively connected with the four corners of the bottom end of the pressing plate (16), supporting springs (17) are sleeved outside the supporting shafts, the top end and the bottom end of the supporting spring (17) are respectively connected with the bottom end of the pressing plate (16) and the top end of the bottom plate (2), the four universal wheels (15) are respectively positioned in the four placing grooves and respectively connected with the bottom ends of the four supporting shafts, and the supporting shafts are provided with locking structures used for limiting the using positions of the universal wheels (15).

3. The business english language practice writing learning apparatus of claim 2, wherein: the locking structure comprises two pulling plates, four cavities are arranged at four corners of the upper portion of the base plate (2) respectively and are communicated with four adjusting through holes respectively, a limiting pin (18) is arranged inside each cavity, a limiting spring (19) and a limiting sleeve (20) are sleeved on each limiting pin (18), each limiting sleeve (20) is arranged on one side close to each adjusting through hole and is fixedly connected with the corresponding limiting pin (18), two ends of each limiting spring (19) are fixedly connected with the corresponding limiting sleeve (20) and the corresponding cavity through the corresponding side wall of the cavity, a penetrating sliding through hole is formed in the middle of each cavity, each limiting pin (18) penetrates through the corresponding sliding through hole, and limiting holes (21) are formed in the upper portion, close to the corresponding limiting pin (18), of the four supporting shafts.

4. The business english language practice writing learning apparatus of claim 3, wherein: and the left ends of the two limiting pins (18) positioned on the left side in the limiting pins (18) and the right ends of the two limiting pins (18) positioned on the right side are both provided with connecting plates (22).

5. The business english language practice writing learning apparatus of claim 4, wherein: and a pull ring (23) is arranged in the middle of the other end of the connecting plate (22).

6. The business english language practice writing learning apparatus of claim 2, wherein: the four corners of the pressing plate (16) are provided with support through holes which penetrate through the pressing plate from top to bottom, slide rods (24) are longitudinally slidably arranged in the four support through holes, and the bottom ends of the four slide rods (24) are respectively connected with the four corners of the top end of the bottom plate (2).

7. The business english language practice writing learning apparatus of claim 6, wherein: the top ends of two slide bars (24) positioned on the left side and the top ends of two slide bars (24) positioned on the right side in the four slide bars (24) are respectively connected with a grab bar (25).

8. The business english practice writing learning apparatus according to claim 1; an anti-slip rubber backing plate (26) is stuck to the bottom end of the bottom plate (2).