CN210581549U

CN210581549U - Adjustable student desk

Info

Publication number: CN210581549U
Application number: CN201920467965.XU
Authority: CN
Inventors: 胡其华
Original assignee: Jiangxi Nancheng County Fahua Industry Co Ltd
Current assignee: Jiangxi Nancheng County Fahua Industry Co Ltd
Priority date: 2019-04-09
Filing date: 2019-04-09
Publication date: 2020-05-22
Anticipated expiration: 2029-04-09

Abstract

The utility model discloses a student uses desk with adjustable, including a plurality of table legs, the upper end of a plurality of table legs is fixed with first table jointly, the upper end of first table is equipped with the sliding tray, the interior bottom of sliding tray is provided with lifting mechanism, lifting mechanism's top is equipped with the second table, the bottom of second table is equipped with the spread groove, lifting mechanism's upper end is rotated with the interior top of spread groove and is connected, the front side symmetry of second table is equipped with two drawers, the upper end of second table is rotated and is connected with and places the board, the rear side rotation of placing the board is connected with two bracing pieces, the top lateral wall equidistant of second table near the rear side is equipped with a plurality of draw-in grooves, and the bracing piece extends to in one of them draw-in groove and offsets rather than the bottom, the preceding lateral wall symmetry of placing the board is equipped with two stop gear. The utility model discloses it is rational in infrastructure, not only can adjust the height of desk, can also fix books and conveniently study.

Description

Adjustable student desk

Technical Field

The utility model relates to a desk technical field especially relates to a student uses desk with adjustable.

Background

In recent years, as the class work task is getting bigger and bigger, the students have longer and longer time to use the desk at home, so the requirements of people on the household desk are gradually increased, and the requirements of the students on not only the diversity of functions but also the health protection are required.

The existing desk has single function, the height of the existing desk cannot be adjusted along with the change of the height of a student, the body of the student is easy to deform and myopia, the learning efficiency is influenced, meanwhile, the student needs to unfold and fix books with hands during writing, the efficiency and the health are influenced by the mode, and therefore the desk capable of adjusting the height and fixing the books is designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems of single structure and inconvenient use of the desk in the prior art and providing an adjustable student desk, which can fix books while adjusting the height and is convenient for students to use.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an adjustable student desk comprises a plurality of desk legs, a first desk board is jointly fixed at the upper ends of the desk legs, the upper end of the first table plate is provided with a first chute, the inner bottom of the first chute is provided with a lifting mechanism, a second table plate is arranged above the lifting mechanism, a connecting groove is arranged at the bottom of the second table plate, the upper end of the lifting mechanism is rotatably connected with the inner top of the connecting groove, two drawers are symmetrically arranged at the front side of the second table plate, the upper end of the second table plate is rotatably connected with a placing plate, the rear side of the placing plate is rotatably connected with two supporting rods, the upper side wall of the second table plate close to the rear side is provided with a plurality of clamping grooves at equal intervals, the supporting rod extends into one of the clamping grooves and abuts against the bottom in the clamping groove, two limiting mechanisms are symmetrically arranged on the front side wall of the placing plate, and the two sides of the first table plate are provided with the limiting mechanisms.

Preferably, the lifting mechanism comprises two fixing plates, the two fixing plates are fixedly connected with the inner bottom of the first chute, the two opposite side walls of the fixing plates are rotatably connected with threaded rods with opposite thread directions, the two opposite side walls of the threaded rods are fixedly connected with driven gears which coaxially rotate with the threaded rods, the inner bottom of the first chute is fixedly connected with a servo motor, the tail end of an output shaft of the servo motor is fixedly connected with a driving gear which is meshed with the driven gears, the outer side walls of the two threaded rods are respectively provided with a moving ring in threaded connection with the outer side walls, the inner bottom of the first chute is symmetrically provided with two limiting plates, the upper ends of the two limiting plates are respectively provided with a positioning groove, a positioning block is slidably connected in the two positioning grooves, and the upper ends of the two positioning blocks are fixedly connected with the side walls of the bottom of the, two the upper end of shift ring all rotates and is connected with the backup pad, two the upper end of backup pad all rotates with the interior top of spread groove to be connected.

Preferably, the clamping mechanism comprises a rotating block rotatably connected with the front side wall of the placing plate, a clamping rod is fixedly connected with the side wall of the rotating block, a placing groove is formed in the front side wall of the placing plate, a first baffle is transversely arranged on the inner side wall of the placing groove, and a second baffle is longitudinally arranged on the front side wall of the placing groove.

Preferably, stop gear is including fixing the stopper in first table both sides, two it has the slide bar all to run through the slip in the stopper, the upper end of two slide bars all with the interior top fixed connection of spread groove.

Preferably, the lower end of the drawer is provided with a sliding rail.

Preferably, universal wheels are installed at the lower ends of the plurality of table legs.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the lifting of the second table plate can be realized through the servo motor, the threaded rod, the moving ring, the moving plate, the sliding block and the supporting plate, so that the table is adjusted to be at a proper height.

2. Through placing board, turning block, kelly, first baffle, the second baffle can be fixed books to placing the board on, makes things convenient for student's use.

To sum up, the utility model discloses rational in infrastructure, it can fix books simultaneously and make things convenient for student's use by height-adjusting.

Drawings

Fig. 1 is a schematic structural view of an adjustable student desk provided by the present invention;

FIG. 2 is an enlarged view of the structure A of the adjustable student desk according to the present invention;

FIG. 3 is an enlarged view of a structure B in an adjustable desk for students according to the present invention;

fig. 4 is a side view of a second desk plate in the adjustable student desk provided by the utility model.

In the figure: 1 table leg, 2 first table, 3 first spout, 4 stopper, 5 slide bar, 6 spread grooves, 7 second table, 8 drawers, 9 place the board, 10 servo motor, 11 driving gears, 12 driven gear, 13 locating pieces, 14 shift rings, 15 limiting plates, 16 fixed plates, 17 threaded rods, 18 backup pads, 19 draw-in grooves, 20 bracing pieces, 21 turning block, 22 first baffle, 23 kelly, 24 second baffle.

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.

Referring to fig. 1-4, an adjustable student desk comprises a plurality of desk legs 1, universal wheels are mounted at the lower ends of the desk legs 1, a first desk plate 2 is jointly fixed at the upper ends of the desk legs 1, a first chute 3 is arranged at the upper end of the first desk plate 2, a lifting mechanism is arranged at the inner bottom of the first chute 3, the lifting mechanism comprises two fixing plates 16, the two fixing plates 16 are fixedly connected with the inner bottom of the first chute 3, the opposite side walls of the two fixing plates 16 are rotatably connected with threaded rods 17 with opposite thread directions, the opposite side walls of the two threaded rods 17 are jointly and fixedly connected with driven gears 12 which rotate coaxially with the threaded rods 17, a servo motor 10 is fixedly connected with the inner bottom of the first chute 3, a driving gear 11 which is meshed with the driven gears 12 is fixedly connected with the tail end of an output shaft of the servo motor 10, and moving rings 14 which are connected with the outer side walls of the, two limiting plates 15 are symmetrically arranged at the inner bottom of the first sliding chute 3, positioning grooves are respectively arranged at the upper ends of the two limiting plates 15, positioning blocks 13 are respectively connected in the two positioning grooves in a sliding manner, the upper ends of the two positioning blocks 13 are respectively fixedly connected with the side wall of the bottom of the moving ring 14 at the same side of the upper ends of the two moving rings 14, the upper ends of the two supporting plates 18 are respectively connected with the top of the inside of the connecting groove 6 in a rotating manner, a second table plate 7 is arranged above the lifting mechanism, the connecting groove 6 is arranged at the bottom of the second table plate 7, the upper end of the lifting mechanism is connected with the top of the inside of the connecting groove 6 in a rotating manner, two drawers 8 are symmetrically arranged at the front side of the second table plate 7, slide rails are arranged at the lower ends of the drawers 8, a placing plate 9 is rotatably connected at the upper end of the second table plate 7, two supporting rods 20 are rotatably connected at, and bracing piece 20 extends to in one of them draw-in groove 19 and offsets rather than the bottom, the preceding lateral wall symmetry of placing board 9 is equipped with two fixture, fixture include with place board 9 preceding lateral wall rotate the turning block 21 of being connected, the lateral wall fixedly connected with kelly 23 of turning block 21, the preceding lateral wall of placing board 9 is equipped with the standing groove, the inside wall of standing groove transversely is equipped with first baffle 22, the preceding lateral wall of standing groove vertically is equipped with second baffle 24, the both sides of first table 2 are equipped with stop gear, stop gear is including fixing the stopper 4 in first table 2 both sides, it has slide bar 5 all to run through the slip in two stoppers 4, the upper end of two slide bars 5 all with the interior top fixed connection of spread groove 6.

The utility model discloses in, when the height of desk is adjusted to needs, start servo motor 10, servo motor 10 drives driving gear 11 and rotates, driving gear 11 drives driven gear 12 and rotates, and then realize the rotation of two threaded rods 17, again because locating piece 13 and carriage release ring 14 fixed connection, carriage release ring 14 can only move on the limiting plate, thereby realize that carriage release ring 14 removes about threaded rod 17, under the effect of two backup pads 18, can realize the lifting to second table 7, because slide bar 5 can only slide from top to bottom in stopper 4 when the lifting, make second table 7 can only the up-and-down motion, make the stable lifting of second table 7.

Rotate kelly 23 and second baffle 24 and offset, can make things convenient for putting into of book, rotate kelly 23 again to the position that first baffle 22 offsets, can carry out the centre gripping with the book, put into the bracing piece 20 inside suitable draw-in groove 19 to the realization is to the regulation of placing the angle of board 9, and under draw-in groove 19's spacing, can stabilize spacingly placing board 9, thereby realize the angle modulation of books, convenient to use person's use.

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. An adjustable student desk comprises a plurality of desk legs (1), and is characterized in that a first desk plate (2) is jointly fixed at the upper ends of the desk legs (1), a first chute (3) is arranged at the upper end of the first desk plate (2), a lifting mechanism is arranged at the inner bottom of the first chute (3), a second desk plate (7) is arranged above the lifting mechanism, a connecting groove (6) is arranged at the bottom of the second desk plate (7), the upper end of the lifting mechanism is rotatably connected with the inner top of the connecting groove (6), two drawers (8) are symmetrically arranged at the front side of the second desk plate (7), a placing plate (9) is rotatably connected to the upper end of the second desk plate (7), two support rods (20) are rotatably connected to the rear side of the placing plate (9), a plurality of clamping grooves (19) are equidistantly arranged on the upper side wall of the second desk plate (7) close to the rear side, the supporting rod (20) extends into one of the clamping grooves (19) and abuts against the bottom in the clamping groove, two clamping mechanisms are symmetrically arranged on the front side wall of the placing plate (9), and limiting mechanisms are arranged on two sides of the first table plate (2).

2. The adjustable student desk according to claim 1, wherein the lifting mechanism comprises two fixing plates (16), the two fixing plates (16) are fixedly connected with the inner bottom of the first sliding chute (3), the two opposite side walls of the fixing plates (16) are rotatably connected with threaded rods (17) with opposite thread directions, the two opposite side walls of the threaded rods (17) are fixedly connected with driven gears (12) coaxially rotating with the threaded rods, the inner bottom of the first sliding chute (3) is fixedly connected with a servo motor (10), the tail end of an output shaft of the servo motor (10) is fixedly connected with a driving gear (11) meshed with the driven gears (12), the outer side walls of the two threaded rods (17) are provided with moving rings (14) in threaded connection with the outer side walls, the inner bottom of the first sliding chute (3) is symmetrically provided with two limiting plates (15), two the upper end of limiting plate (15) all is equipped with the constant head tank, two equal sliding connection has locating piece (13), and two in the constant head tank the upper end of locating piece (13) all with shift ring (14) bottom lateral wall fixed connection of its homonymy, two the upper end of shift ring (14) all rotates and is connected with backup pad (18), two the upper end of backup pad (18) all rotates with the interior top of spread groove (6) and is connected.

3. The adjustable student desk according to claim 1, wherein the clamping mechanism comprises a rotating block (21) rotatably connected with the front side wall of the placing plate (9), a clamping rod (23) is fixedly connected with the side wall of the rotating block (21), the front side wall of the placing plate (9) is provided with a placing groove, the inner side wall of the placing groove is transversely provided with a first baffle plate (22), and the front side wall of the placing groove is longitudinally provided with a second baffle plate (24).

4. The adjustable student desk according to claim 1, wherein the limiting mechanism comprises limiting blocks (4) fixed on two sides of the first desk board (2), sliding rods (5) penetrate through the two limiting blocks (4), and the upper ends of the two sliding rods (5) are fixedly connected with the inner top of the connecting groove (6).

5. An adjustable student desk as claimed in claim 1 wherein the lower end of the drawer (8) is provided with a slide.

6. The adjustable student desk as claimed in claim 1 wherein universal wheels are mounted on the lower ends of a plurality of the legs (1).