CN212415102U

CN212415102U - Multimedia teacher's desk for Chinese teaching

Info

Publication number: CN212415102U
Application number: CN202020925270.4U
Authority: CN
Inventors: 范静
Original assignee: Hebei Institute of Mechanical and Electrical technology
Current assignee: Hebei Institute of Mechanical and Electrical technology
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-01-29
Anticipated expiration: 2030-05-28

Abstract

The utility model discloses a multimedia lectern is used in chinese teaching, the camera comprises a supporting plate, place the cabinet, the table, book end and runner assembly, pneumatic cylinder and piston rod are installed on the backup pad top, the top of piston rod links firmly with placing the cabinet, the table has book end through runner assembly rotatable coupling, place and install adjustable returning face plate in the cabinet, wherein plate body rear portion both sides have linked firmly left-hand rotation arch and right turning arch respectively, left-hand rotation arch and right turning arch slide with the spout cooperation respectively, two variable locating pins and spring have been placed in the holding tank, the one end that two variable locating pins are relative links firmly the slider respectively, the spring both ends are pushed up respectively and are leaned on two variable locating pins and extend to the outside, outer tip and the spout cooperation of two variable locating pins, be provided with the fixed subassembly of the fixed books of being convenient for. The utility model discloses a multimedia lectern is used in chinese teaching's the cabinet of placing can satisfy higher operation requirement to can be to the reasonable adjustment height of user, improved and used the travelling comfort.

Description

Multimedia teacher's desk for Chinese teaching

Technical Field

The utility model relates to a teaching articles for use technical field especially relates to a multimedia lectern is used in chinese teaching.

Background

The teacher desk is used as a desk for placing books when a teacher gives a lecture, is very common in the teaching process of Chinese, can be checked or read without holding a Chinese textbook by hands, and further reduces the physical consumption of a teacher.

Nowadays, the lectern on the market is mostly integral desk, and it is placed the cabinet and often adopts drawer type structure, can't satisfy higher operation requirement to often because of can't be to user's reasonable adjustment height, reduced the suitability of lectern.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a multimedia lectern is used in chinese teaching solves the unable problem that satisfies higher operation requirement and suitability are relatively poor of lectern among the prior art.

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

the utility model relates to a multimedia teacher's desk for Chinese teaching, which comprises a support plate, a placing cabinet, a desk plate, a book support and a rotating component, wherein the top end of the support plate is provided with a hydraulic cylinder, the hydraulic cylinder is internally provided with a piston rod, the top end of the piston rod is fixedly connected with the placing cabinet, the top end of the placing cabinet is fixedly connected with the desk plate, the desk plate is rotatably connected with the book support through the rotating component, an adjustable turnover plate is arranged in the placing cabinet, the inner walls of the two sides of the adjustable turnover plate are provided with chutes, the adjustable turnover plate comprises a plate body, a variable positioning pin, a spring and a slide block, the two sides of the rear part of the plate body are respectively fixedly connected with a left rotating bulge and a right rotating bulge, the left rotating bulge and the right rotating bulge are respectively matched with the chutes to slide, the front side of the bottom surface of the, two variable locating pins and the spring are placed in the accommodating groove, one ends, opposite to each other, of the variable locating pins are fixedly connected with the sliding block respectively, the sliding block penetrates through the operating groove and then extends towards the front side of the plate body, two ends of the spring abut against the two variable locating pins respectively and extend towards the outer side, the outer end portions of the two variable locating pins are matched with the sliding groove, and a fixing assembly convenient for fixing books is arranged on the book support.

Further, the runner assembly is including rotating case, axis of rotation and connecting rod, the connecting rod is provided with two, it fixes to rotate the case on the table, it all is equipped with through-hole and two to rotate the case both ends it has run through in the through-hole the axis of rotation, the axis of rotation both ends are respectively through two the connecting rod with the book end links firmly, it is provided with motor, drive gear and rolling gear to rotate the incasement, the motor is fixed rotate on the incasement wall, the motor with drive gear transmission is connected, drive gear with rolling gear meshes, rolling gear is coaxial to be fixed in the axis of rotation.

Further, it still is provided with stopper, rolling disc and ball to rotate the incasement, the rolling disc is coaxial to be fixed in the axis of rotation, stopper circumference evenly distributed is in the periphery of rolling disc, the stopper is fixed on the inner wall of rotation case, the stopper is the U-shaped, the periphery of rolling disc is located in the U-shaped opening of stopper just the rolling disc with still be provided with between the stopper and reduce the ball of rolling disc rotation resistance, be equipped with the notch on the inner wall of both sides in the stopper, install in the notch the ball, the centre of sphere of ball is located in the notch, the ball supports and leans on the rolling disc.

Furthermore, an adjusting groove is formed in the book support, the fixing assembly comprises a pressing piece, a compression spring, a locking nut, a gasket, a washer, a sliding block and a pressing column, the pressing piece can slide in the adjusting groove, the pressing piece comprises a sliding end and a locking end, the sliding end sequentially penetrates through the pressing column, the sliding block and the book support and is fixedly connected with the locking end, the sliding end is sleeved with the gasket, the gasket is arranged on one side, away from the book support, of the pressing column, the locking end is sleeved with the washer, the washer is arranged on one side, away from the pressing column, the sliding end is sleeved with the compression spring, one end of the compression spring abuts against the sliding end, the other end of the compression spring abuts against the gasket, the locking end is provided with threads, and the locking end is connected with the locking nut in a threaded fit manner, the diameter of the sliding end is larger than that of the locking end, when the locking nut is screwed down, the locking nut can press the gasket on the sliding end, and the bottom of the pressing column is provided with a pressing end inclined towards the book support.

Still further, one side that the packing ring is close to the book support is equipped with a plurality of locking arch that evenly sets up along the circumference, the book support is close to one side of packing ring is equipped with a plurality of locking fixed slot that evenly sets up along the circumference, the locking fixed slot with the protruding cooperation of locking is connected.

Furthermore, rubber pads are arranged at two outer end parts of the sliding end.

Furthermore, bases are symmetrically arranged at the bottom end of the supporting plate.

Compared with the prior art, the utility model discloses a beneficial technological effect:

the multimedia teacher desk for Chinese teaching of the utility model can meet higher use requirements by installing the adjustable turnover plate in the placing cabinet, and can reasonably adjust the height of a user by arranging the hydraulic cylinder and the piston rod, thereby improving the use comfort; wherein, the setting of runner assembly can carry out the regulation of book support angle as required, avoids the user to cause the cervical vertebra problem because of keeping a posture for a long time when using, improves and uses the travelling comfort.

Drawings

The present invention will be further explained with reference to the following description of the drawings.

Fig. 1 is a schematic view of a main view structure of a multimedia lectern for Chinese teaching according to the present invention;

fig. 2 is a left side view structure diagram of the multimedia lectern for Chinese teaching of the present invention;

FIG. 3 is a schematic view of the internal structure of the rotating box of the multimedia desk for Chinese teaching of the present invention;

FIG. 4 is a schematic structural view of a fixing component of the multimedia lectern for Chinese teaching according to the present invention;

fig. 5 is a schematic structural view of the adjustable turnover plate of the multimedia desk for Chinese teaching of the present invention.

Description of reference numerals: 1. a support plate; 11. a base; 2. a hydraulic cylinder; 21. a piston rod; 3. a placing cabinet; 31. an adjustable roll-over plate; 311. a left rotation boss; 312. a right rotation boss; 313. accommodating grooves; 314. a variable locating pin; 315. a spring; 316. a slider; 32. a table plate; 4. a rotating assembly; 41. a rotating box; 42. A rotating shaft; 43. a connecting rod; 44. a motor; 45. a drive gear; 46. a rotating gear; 47. a limiting block; 48. rotating the disc; 49. a ball bearing; 5. a book support; 51. an adjustment groove; 6. a fixing assembly; 61. a pressing member; 611. a sliding end; 612. a locking end; 613. a rubber pad; 62. a compression spring; 63. a locking nut; 64. a gasket; 65. a gasket; 651. a locking protrusion; 66. a slider; 67. pressing the column; 671. and a pressing end.

Detailed Description

As shown in fig. 1 to 5, a multimedia lectern for Chinese teaching comprises a support plate 1, a placement cabinet 3, a desk plate 32, a bookend 5 and a rotation component 4, wherein a hydraulic cylinder 2 is installed at the top end of the support plate 1, a piston rod 21 is arranged in the hydraulic cylinder 2, the top end of the piston rod 21 is fixedly connected with the placement cabinet 3, the top end of the placement cabinet 3 is fixedly connected with the desk plate 32, the desk plate 32 is rotatably connected with the bookend 5 through the rotation component 4, an adjustable turning plate 31 is installed in the placement cabinet 3, the inner walls of the two sides of the adjustable turning plate are provided with sliding grooves, the adjustable turning plate 31 comprises a plate body, a variable positioning pin 314, a spring 315 and a sliding block 316, the two sides of the rear portion of the plate body are fixedly connected with a left rotation protrusion 311 and a right rotation protrusion 312 respectively, the left rotation protrusion 311 and the right rotation protrusion 312 are respectively matched with the sliding grooves for sliding, the front side, the holding groove 313 is communicated with the operation groove, two variable positioning pins 314 and the spring 315 are placed in the holding groove 313, one ends of the two variable positioning pins 314 opposite to each other are fixedly connected with the sliding block 316 respectively, the sliding block 316 passes through the operation groove and then extends towards the front side of the plate body, two ends of the spring 315 respectively abut against the two variable positioning pins 314 and extend towards the outside, the outer end parts of the two variable positioning pins 314 are matched with the sliding groove, and a fixing component 6 convenient for fixing books is arranged on the book support 5.

The chinese teaching of this embodiment is with multimedia lectern when using, through setting up pneumatic cylinder 2 and piston rod 21, can be according to the height of user's height reasonable adjustment table 32, the use travelling comfort has been improved, and through installing adjustable returning face plate 31 in placing cabinet 3, when needing layering place article in placing cabinet 3, make adjustable returning face plate 31 be in horizontal position, when needing to place great article in placing cabinet 3, can make two variable locating pin 314 deviate from the spout to middle compression through operation slider 316, the plate body can rotate until laminating the rear side inner wall of placing cabinet 3 around the axis that left turn arch 311 and right turn arch 312 are constituteed this moment, in order to satisfy higher operation requirement.

Specifically, rotating assembly 4 is including rotating case 41, axis of rotation 42 and connecting rod 43, connecting rod 43 is provided with two, it fixes to rotate case 41 on table 32, it all is equipped with through-hole and two to rotate case 41 both ends it has run through in the through-hole axis of rotation 42, axis of rotation 42 both ends are respectively through two connecting rod 43 with book support 5 links firmly, it is provided with motor 44, drive gear 45 and rotating gear 46 to rotate incasement 41, motor 44 fixes rotate on the case 41 inner wall, motor 44 with drive gear 45 transmission is connected, drive gear 45 with rotating gear 46 meshes, rotating gear 46 is coaxial to be fixed in the axis of rotation 42.

In this embodiment, through set up motor 44, drive gear 45 and rotating gear 46 in rotating case 41 inside, can drive axis of rotation 42 and rotate around the axis of self, axis of rotation 42 can drive book support 5 through connecting rod 43 this moment and rotate to adjust the inclination of book support 5 as required, avoid the user to cause the cervical vertebra problem because of keeping a posture for a long time when using, improve and use the travelling comfort.

Specifically, still be provided with stopper 47, rolling disc 48 and ball 49 in the rotation case 41, the rolling disc is coaxial to be fixed in the axis of rotation 42, stopper 47 circumference evenly distributed is in the periphery of rolling disc, stopper 47 is fixed on the inner wall of rotation case 41, stopper 47 is the U-shaped, the periphery of rolling disc is located in the U-shaped opening of stopper 47 just the rolling disc with still be provided with between the stopper 47 and reduce the ball 49 of rolling disc rotation resistance, be equipped with the notch on the inner wall of both sides in the stopper 47, install in the notch ball 49, the centre of sphere of ball 49 is located in the notch, ball 49 supports and leans on the rolling disc.

In this embodiment, through setting up stopper 47, rolling disc 48 and ball 49, can make axis of rotation 42 steady rotation, improve structural stability, rolling disc 48 is along with axis of rotation 42 takes place to be used in the intraoral ball 49 of groove when rotating for ball 49 rolls in the notch, and the resistance that receives when reducing rolling disc 48 and rotating makes things convenient for rolling disc 48 to rotate, prolongs rolling disc 48's life.

Specifically, the book holder 5 is provided with an adjusting groove 51, the fixing assembly 6 includes a pressing member 61, a pressing spring 62, a locking nut 63, a gasket 64, a washer 65, a sliding block 66 and a pressing post 67, the pressing member 61 can slide in the adjusting groove 51, the pressing member 61 includes a sliding end 611 and a locking end 612, the sliding end 611 sequentially passes through the pressing post 67, the sliding block 66 and the book holder 5 and then is fixedly connected with the locking end 612, the gasket 64 is sleeved on the sliding end 611 and the gasket 64 is arranged on one side of the pressing post 67 away from the book holder 5, the washer 65 is sleeved on the locking end 612 and the washer 65 is arranged on one side of the book holder 5 away from the pressing post 67, the pressing spring 62 is sleeved on the sliding end 611, one end of the pressing spring 62 abuts against the sliding end 611, and the other end abuts against the gasket 64, the locking end 612 is provided with threads, the locking end 612 is connected with the locking nut 63 in a threaded fit manner, the diameter of the sliding end 611 is larger than that of the locking end 612, when the locking nut 63 is screwed down, the locking nut 63 can press the gasket 65 on the sliding end 611, and the bottom of the pressure column 67 is provided with a pressing end 671 inclined towards the book holder 5

In this embodiment, the upper part of the book can be fixed by arranging the fixing assemblies 6, wherein at least two fixing assemblies 6 are arranged; when the position of the fixing component 6 needs to be adjusted according to the width of a book, the sliding end 611 is pressed down, the pressing spring 62 is pressed by force, the gasket 65 is far away from the book support 5, the pressing column 67 can move along the adjusting groove 51 on the book support 5, so that the distance can be adjusted according to the width of the book, after the proper position is adjusted, the sliding end 611 is loosened, the elastic force of the pressing spring 62 drives the sliding end 611 to move, the gasket 65 presses the book support 5, the position of the fixing component 6 is fixed, and the book can be clamped and fixed through the abutting end 671 of the pressing column 67 with elasticity.

Wherein, the sliding block 66 is made of wear-resistant material.

In this embodiment, one side that sliding block 66 is close to book support 5 is provided with the connecting block, offer on the book support with the gliding fluting of connecting block cooperation to reduce the wearing and tearing of sliding block 66.

Specifically, one side that the packing ring 65 is close to book end 5 is equipped with a plurality of locking arch 651 that evenly sets up along the circumference, book end 5 is close to one side of packing ring 65 is equipped with a plurality of locking fixed slot that evenly sets up along the circumference, the locking fixed slot with locking arch 651 cooperation is connected.

In this embodiment, the locking fixing groove is connected with the locking protrusion 651 in a matching manner, so that inaccurate positioning between the washer 65 and the book holder 5 can be effectively prevented.

Specifically, rubber pads 613 are mounted on both outer ends of the sliding end 611.

In this embodiment, the rubber pad 613 can prevent the sliding end 611 from damaging the pressure post 67 due to excessive pressing force, thereby prolonging the service life.

Specifically, the bottom end of the supporting plate 1 is symmetrically provided with a base 11.

In this embodiment, the bases 11 are symmetrically installed at the bottom end of the supporting plate 1, so that the supporting stability of the supporting plate 1 can be improved.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides a multimedia lectern is used in chinese teaching which characterized in that: the book shelf comprises a support plate, a placing cabinet, a table plate, a book holder and a rotating assembly, wherein a hydraulic cylinder is installed at the top end of the support plate, a piston rod is arranged in the hydraulic cylinder, the top end of the piston rod is fixedly connected with the placing cabinet, the table plate is fixedly connected with the top end of the placing cabinet, the table plate is rotatably connected with the book holder through the rotating assembly, an adjustable turnover plate is installed in the placing cabinet, sliding grooves are formed in the inner walls of two sides of the adjustable turnover plate, the adjustable turnover plate comprises a plate body, a variable positioning pin, a spring and a sliding block, a left rotating bulge and a right rotating bulge are fixedly connected to two sides of the rear portion of the plate body respectively, the left rotating bulge and the right rotating bulge are matched with the sliding grooves to slide, a containing groove is formed in the front side of the bottom surface of the plate body, an operating groove is formed, the opposite ends of the two variable positioning pins are fixedly connected with the sliding block respectively, the sliding block extends towards the front side of the plate body after penetrating through the operation groove, the two ends of the spring respectively abut against the two variable positioning pins to extend towards the outer side, the outer end parts of the two variable positioning pins are matched with the sliding groove, and a fixing assembly convenient for fixing books is arranged on the book support.

2. The multimedia lectern for language teaching according to claim 1, wherein: the rotating assembly comprises a rotating box, two rotating shafts and two connecting rods, the two connecting rods are arranged, the rotating box is fixed on the table plate, through holes and two through holes are formed in two ends of the rotating box, the rotating shafts penetrate through the through holes, two ends of the rotating shafts are respectively connected with the connecting rods and the book supports in a fixedly connected mode, motors, driving gears and rotating gears are arranged in the rotating box, the motors are fixed on the inner wall of the rotating box, the motors are connected with the driving gears in a transmission mode, the driving gears are meshed with the rotating gears, and the rotating gears are coaxially fixed on the rotating shafts.

3. The multimedia lectern for language teaching according to claim 2, wherein: rotate the incasement and still be provided with stopper, rolling disc and ball, the rolling disc is coaxial to be fixed in the axis of rotation, stopper circumference evenly distributed is in the periphery of rolling disc, the stopper is fixed rotate on the inner wall of case, the stopper is the U-shaped, the periphery of rolling disc is located in the U-shaped opening of stopper just the rolling disc with still be provided with between the stopper and reduce the ball of rolling disc rotation resistance, be equipped with the notch on the inner wall of both sides in the stopper, install in the notch the ball, the centre of sphere of ball is located in the notch, the ball supports and leans on the rolling disc.

4. The multimedia lectern for language teaching according to claim 1, wherein: the book support is provided with an adjusting groove, the fixing assembly comprises a pressing piece, a compression spring, a locking nut, a gasket, a washer, a sliding block and a pressing column, the pressing piece can slide in the adjusting groove, the pressing piece comprises a sliding end and a locking end, the sliding end sequentially penetrates through the pressing column, the sliding block and the book support and is fixedly connected with the locking end, the sliding end is sleeved with the gasket, the gasket is arranged on one side, away from the book support, of the pressing column, the locking end is sleeved with the washer, the washer is arranged on one side, away from the pressing column, of the book support, the sliding end is sleeved with the compression spring, one end of the compression spring is abutted against the sliding end, the other end of the compression spring is abutted against the gasket, the locking end is provided with threads, and the locking end is connected with the locking nut in a threaded fit manner, the diameter of the sliding end is larger than that of the locking end, when the locking nut is screwed down, the locking nut can press the gasket on the sliding end, and the bottom of the pressing column is provided with a pressing end inclined towards the book support.

5. The multimedia lectern for language teaching according to claim 4, wherein: the packing ring is close to one side of book support is equipped with a plurality of locking arch that evenly sets up along the circumference, the book support is close to one side of packing ring is equipped with a plurality of locking fixed slot that evenly sets up along the circumference, the locking fixed slot with the protruding cooperation of locking is connected.

6. The multimedia lectern for language teaching according to claim 4, wherein: rubber pads are arranged at the two outer end parts of the sliding end.

7. A multimedia lectern for language teaching according to any one of claims 1 to 6, wherein: the bottom end of the supporting plate is symmetrically provided with a base.