CN219206246U

CN219206246U - Multifunctional desk

Info

Publication number: CN219206246U
Application number: CN202320281086.4U
Authority: CN
Inventors: 王玲娜
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-02-22
Filing date: 2023-02-22
Publication date: 2023-06-20
Anticipated expiration: 2033-02-22

Abstract

The utility model provides a multifunctional desk, and belongs to the technical field of teaching aids. The lifting adjustment of the desk is realized by arranging the lifting cylinder, the lifting column, the gear mechanism and the like, the inclination adjustment of the desk top is realized by the screw rod mechanism, the whole adjustment process can be realized by means of the same handle, the lifting adjustment is simple and reliable, the lifting adjustment is not required to be disassembled, and the convenience is provided for the middle and primary school students to adjust the desk.

Description

Multifunctional desk

Technical Field

The utility model belongs to the technical field of teaching aids, and particularly relates to a multifunctional desk.

Background

The desk is an indispensable part in the teaching process as a teaching aid. The traditional desk is usually manufactured by adopting a unified specification, and because the heights of students are different, the desk with the unified height often cannot meet the requirements of all students, and if the height of the desk is not matched with the heights of the students, the desk can cause the improper sitting posture after long-time use, and the study is influenced.

At present, some desks with adjustable heights are also disclosed, for example, a lifting desk, a lifting chair and a lifting desk and chair device are disclosed in chinese patent zl20120382384. X, the desk is designed into an upper part and a lower part, the two parts are connected through a bolt and a nut, when the height of the desk needs to be adjusted, the bolt and the nut need to be removed by using a wrench, then the adjustment can be performed, and the bolt and the nut need to be screwed again after the height is adjusted. Such an adjustment method is difficult for students and involves a certain risk in terms of disassembly and assembly.

In addition, the current desk top is generally horizontally fixed, and when students read and write, the sight of the students often forms a certain angle with the desk top, and the bodies of the students are inclined forwards and bent, so that the health of the students in middle and primary schools can be influenced. At present, a part of desks can be used for angle adjustment, but the problems of inconvenient adjustment, difficult fixation, easy loosening, complex adjustment structure and the like exist.

In view of this, the present utility model has been proposed.

Disclosure of Invention

Aiming at the problems existing in the prior art, the utility model provides a multifunctional desk, and aims to enable students in middle and primary schools to easily realize adjustment of the height and the inclination angle of the desk.

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

the utility model provides a multifunctional desk, which comprises a base, a lifting cylinder, gear mechanism, lifting column, the bottom plate, the desktop board, the bookshelf, screw mechanism, rotation unit and handle, wherein, the fixed lifting cylinder that is provided with in top of base, lifting column has been cup jointed to the activity in the lifting cylinder, lifting column's lateral wall is provided with the gear mechanism with lifting column matched with, gear mechanism is used for adjusting the lift that realizes lifting column in vertical direction, lifting column's top is worn out lifting cylinder and with the bottom fixed connection of bottom plate, bottom plate top front side is provided with rotatable desktop board through rotating the unit, the rotation of desktop board is adjusted through the screw mechanism that sets up on the bottom plate, the fixed bookshelf that is provided with in bottom plate top rear side, gear mechanism and screw mechanism adopt the handle to adjust.

Preferably, the table top is further provided with a sliding block, the bottom plate is further provided with a sliding rail groove arranged along the front-back direction, the bottom of the sliding block is arranged in the sliding rail groove in a sliding mode, the top of the sliding block is in sliding fit with the bottom surface of the table top plate, and the sliding block is in running fit with the screw rod mechanism.

Preferably, the screw rod mechanism comprises a rotating head and a screw rod part, the rotating head is rotationally arranged in the bottom plate, the front end face of the rotating head is flush with the front end face of the bottom plate, a rotating groove arranged along the front-back direction is formed in the middle of the front end of the rotating head and is used for being matched with the handle, the rear end of the rotating head is fixedly connected with the screw rod part, the screw rod part is bridged at the front end and the rear end of the sliding rail groove along the front-back direction, the screw rod part is rotationally connected with the sliding block, and the diameter of the rotating head is larger than that of the screw rod part.

Preferably, a lifting cavity is formed in the base and the lifting cylinder, the lifting cavity penetrates through the bottom of the base, the lifting column is movably arranged in the lifting cavity, the lifting column is provided with a first guide block, a second guide block and meshing teeth, the first guide block and the second guide block are all in annular arrangement, the meshing teeth are arranged between the first guide block and the second guide block, the meshing teeth are meshed with gears of the gear mechanism, a rotation adjusting groove is formed in the axial direction of the gears of the gear mechanism, and the rotation adjusting groove is identical to a rotation groove formed in the position of the rotating head in structure.

Compared with the prior art, the utility model has the following beneficial effects:

the desk provided by the utility model can enable students in middle and primary schools to easily and freely adjust the height and the inclination angle of the desk, only one handle is needed during adjustment, disassembly is not needed, the safety is greatly improved, the desk is divided into different blocks, the requirements of book storage and reading and writing are met, and the desk is simple and practical.

Drawings

The above and other objects, features and advantages of the present utility model will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings. Wherein like reference numerals generally refer to like elements throughout the exemplary embodiments.

FIG. 1 is a schematic diagram of the front view of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a schematic side elevational view of the present utility model;

FIG. 4 is a partial cross-sectional view of FIG. 3;

FIG. 5 is a partial cross-sectional view of an angle adjustment mechanism used in the present utility model;

FIG. 6 is a schematic view of the cooperation of the slider and the base plate of the angle adjustment mechanism used in the present utility model;

FIG. 7 is a schematic cross-sectional view of a gear mechanism for use in making lift adjustments in accordance with the present utility model;

FIG. 8 is a schematic view of the utility model mated with a handle;

the lifting device comprises a 1-base, a 2-lifting cylinder, a 3-gear mechanism, a 4-lifting column, a 5-bottom plate, a 6-desk top plate, a 7-bookshelf, an 8-screw mechanism, a 9-crosspiece, a 10-rotating unit, an 11-sliding block, a 12-lifting cavity, a 13-handle, a 21-limiting table, a 31-first gear, a 32-second gear, a 33-rotation adjusting groove, a 41-first guide block, a 42-second guide block, a 43-meshing tooth, a 51-sliding rail groove, a 71-first bookshelf layer, a 72-second bookshelf layer, a 81-rotating head and a 82-screw part.

Description of the embodiments

For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.

As shown in fig. 1 to 8, the utility model provides a multifunctional desk, which comprises a base 1, a lifting cylinder 2, a gear mechanism 3, a lifting column 4, a bottom plate 5, a desktop plate 6, a bookshelf 7, a screw rod mechanism 8, a rotating unit 10 and a handle 13, wherein the lifting cylinder 2 is fixedly arranged above the base 1, the lifting column 4 is movably sleeved in the lifting cylinder 2, the gear mechanism 3 matched with the lifting column 4 is arranged on the side wall of the lifting cylinder 2, the gear mechanism 3 is used for adjusting the lifting of the lifting column 4 in the vertical direction, the top of the lifting column 4 penetrates out of the lifting cylinder 2 and is fixedly connected with the bottom of the bottom plate 5, the front side above the bottom plate 5 is provided with the rotatable desktop plate 6 through the rotating unit 10, the rotation of the desktop plate 6 is adjusted through the screw rod mechanism 8 arranged on the bottom plate 5, the bookshelf 7 is fixedly arranged on the rear side above the bottom plate 5, and the gear mechanism 3 and the screw rod mechanism 8 are adjusted by adopting the handle 13. When the desk is adjusted, the height and the inclination angle of the desk can be adjusted by means of the handle 13, and the desk is simple and convenient, does not need to be disassembled, and is very suitable for students in middle and primary schools to operate.

Preferably, the sliding block 11 is further arranged, the bottom plate 5 is further provided with a sliding rail groove 51 arranged along the front-back direction, the bottom of the sliding block 11 is slidably arranged in the sliding rail groove 51, the top of the sliding block 11 is slidably matched with the bottom surface of the table top 6, and the sliding block 11 is rotatably matched with the screw rod mechanism 8, so that when the screw rod mechanism 8 rotates, the sliding block 11 can slide along the sliding rail groove 51 along the front-back direction to adjust the inclination angle of the table top 6.

Further, the screw mechanism 8 includes a rotating head 81 and a screw portion 82, the rotating head 81 is rotatably disposed in the bottom plate 5, a front end surface of the rotating head 81 is flush with a front end surface of the bottom plate 5, a rotating groove (not shown in the drawing) disposed along a front-rear direction is disposed in a middle portion of a front end of the rotating head 81, for example, an inner hexagonal groove is used for being matched with the handle 13, a rear end of the rotating head 81 is fixedly connected with the screw portion 82, the screw portion 82 is bridged at front and rear ends of the slide rail groove 51 along the front-rear direction, and the screw portion 82 is rotatably connected with the slide block 11. It should be noted that in this embodiment, it is preferable that the diameter of the rotating head 81 is larger than the diameter of the screw portion 82, so that the rotating head 81 can be limited by the step at the front end of the slide rail groove 51, and the rotating head 81 is prevented from entering the slide rail groove 51. Further preferably, a stopper ring may be provided at a proper position of the rotating head 81 or the screw portion 82 (for example, an end portion of the screw portion 82) to prevent the screw mechanism 8 from moving in the front-rear direction, but not to affect the rotation of the screw mechanism. Through the setting, when screw mechanism 8 takes place to rotate, it can drive slider 11 and slide along fore-and-aft direction, and then change the inclination of desktop board 6, simultaneously, because the support effect of slider 11, the gravity effect of desktop board 6 and desktop board 6 upper book, thing, desktop board 6 can be by firm support on slider 11, can make things convenient for the student to read, write.

Preferably, a crosspiece 9 is further provided on the upper front portion (near the student) of the table top 6, and the crosspiece 9 is configured to support a book placed on the table top, so that the book is not dropped under an inclined angle.

Preferably, the bookshelf 7 may be provided with multiple layers in a layered manner, for example, the first bookshelf layer 71 and the second bookshelf layer 72 are provided as shown in fig. 2, so that books, stationery and the like can be conveniently classified and placed. It should be noted that, when the bookshelf 7 is set, the desk panel 6 should be prevented from being interfered by the bookshelf.

Preferably, the pivotal unit 10 provided between the table top 6 and the base plate 5 is preferably a hinge.

Preferably, a lifting cavity 12 is formed in the base 1 and the lifting cylinder 2, the lifting cavity 12 penetrates to the bottom of the base 1, the lifting column 4 is movably arranged in the lifting cavity 12, a first guide block 41, a second guide block 42 and a meshing tooth 43 are arranged on the lifting column 4, the first guide block 41 and the second guide block 42 are all in annular arrangement, the meshing tooth 43 is arranged between the first guide block 41 and the second guide block 42, the meshing tooth 43 is meshed with a gear of the gear mechanism 3, and a rotation adjusting groove 33 is formed in the axial direction of the gear mechanism 3 and is used for being matched with the handle 13. By such arrangement, when the gear of the gear mechanism 3 rotates under the action of the handle 13, the lifting column 4 can be driven to realize lifting adjustment. The rotation adjustment groove 33 has the same structure as the rotation groove provided at the rotation head 81.

Further preferably, an annular limiting table 21 is further disposed in the lifting cavity 12 and is used for limiting lifting of the lifting column 4, so that lifting of the lifting column 4 in a reasonable range is ensured.

It should be noted that, in general, a desk for teaching preferably has two legs, so that stable placement of the desk can be ensured, and the supporting mechanism formed by the lifting column 4, the lifting cylinder 2, the base 1 and the like of the present utility model is essentially the legs of the desk, so that, similarly, the supporting mechanism formed by the lifting column 4, the lifting cylinder 2, the base 1 and the like can be symmetrically arranged on the left side and the right side of the desk, that is, as shown in fig. 1 to 8, the desk of the present utility model preferably has two lifting columns 4, two lifting cylinders 2 and two bases 1, in this case, the two lifting cylinders 2 are connected through a gear structure 3, at this time, the gear structure 3 includes a housing, a first gear 31 and a second gear 32 arranged in the housing, wherein the first gear 31 is meshed with the meshing teeth 43 on the lifting column 4 on the right side, the second gear 32 is meshed with the meshing teeth 43 on the lifting column 4 on the left side, the first gear 31 and the second gear 32 are rotatably connected in the housing through a gear shaft, and the first gear 31 and the second gear 32 are rotatably connected in the housing, and the first gear 31 and the second gear 32 are rotatably arranged in the middle of the housing, and the two gears are rotatably arranged in the middle of the housing, respectively, and the two gear shafts are rotatably arranged in the middle of the housing, and the protruding columns are respectively. Through such setting, only need utilize handle 13 to adjust in one of the left and right sides, can realize the lift of two lift posts 4 in vertical direction, and the lift of both sides is synchronous, has guaranteed the steady of desk lift. Of course, the above is only a preferred mode of the present utility model, and the desk according to the present utility model may also have only one leg, or may have multiple legs.

In addition, it should be noted that a placement groove (not shown in the figure) of the handle 13 may also be provided on the desk of the present utility model, so as to facilitate taking and storing the handle 13.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a multifunctional desk, it includes base (1), lift section of thick bamboo (2), gear mechanism (3), lift post (4), bottom plate (5), desktop board (6), bookshelf (7), lead screw mechanism (8), rotation unit (10) and handle (13), a serial communication port, the top of base (1) is fixed and is provided with lift section of thick bamboo (2), lift post (4) have been cup jointed to the activity in lift section of thick bamboo (2), the lateral wall of lift section of thick bamboo (2) is provided with and lifts post (4) matched with gear mechanism (3), gear mechanism (3) are used for adjusting and realize lift post (4) in the vertical direction go up and down, lift section of thick bamboo (2) are worn out at the top of lift post (4) and with the bottom fixed connection of bottom plate (5), the rotation of desktop board (6) is adjusted by lead screw mechanism (8) that set up on bottom plate (5), the rear side is fixed and is provided with bookshelf (7) above bottom plate (5), gear mechanism (3) and handle (8) adopt screw mechanism (13) to adjust.

2. The multifunctional desk of claim 1, further comprising a sliding block (11), wherein the bottom plate (5) is further provided with a sliding rail groove (51) arranged along the front-rear direction, the bottom of the sliding block (11) is slidably arranged in the sliding rail groove (51), the top of the sliding block (11) is slidably matched with the bottom surface of the desktop plate (6), and the sliding block (11) is rotatably matched with the screw rod mechanism (8).

3. The multifunctional desk of claim 2, wherein the screw rod mechanism (8) comprises a rotating head (81) and a screw rod part (82), the rotating head (81) is rotatably arranged in the bottom plate (5), the front end face of the rotating head (81) is flush with the front end face of the bottom plate (5), a rotating groove arranged along the front-back direction is formed in the middle of the front end of the rotating head (81), the rotating groove is used for being matched with the handle (13), the rear end of the rotating head (81) is connected with the screw rod part (82), the screw rod part (82) is bridged at the front end and the rear end of the sliding rail groove (51) along the front-back direction, the screw rod part (82) is rotatably connected with the sliding block (11), and the diameter of the rotating head (81) is larger than that of the screw rod part (82).

4. A multifunctional desk as claimed in claim 3, characterized in that a lifting cavity (12) is formed in the base (1) and the lifting cylinder (2), the lifting cavity (12) penetrates to the bottom of the base (1), the lifting column (4) is movably arranged in the lifting cavity (12), the lifting column (4) is provided with a first guide block (41), a second guide block (42) and a meshing tooth (43), the first guide block (41) and the second guide block (42) are all in annular arrangement, the meshing tooth (43) is arranged between the first guide block (41) and the second guide block (42), the meshing tooth (43) is meshed with a gear of the gear mechanism (3), a rotation adjusting groove (33) is arranged in the axial direction of the gear mechanism (3), and the rotation adjusting groove (33) is identical with a rotation groove structure arranged on the rotation head (81).

5. A multifunctional desk as claimed in claim 4, characterized in that the upper front part of the desk top (6) is also provided with a crosspiece (9).