CN218127524U

CN218127524U - Adjustable desk

Info

Publication number: CN218127524U
Application number: CN202221860928.3U
Authority: CN
Inventors: 黄兴
Original assignee: Jiangsu Zhongqing New Material Co ltd
Current assignee: Jiangsu Zhongqing New Material Co ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-12-27
Anticipated expiration: 2032-07-19

Abstract

The utility model relates to the technical field of adjustable desks, in particular to an adjustable desk, which comprises a desk plate, wherein a square groove is formed at the top surface of the desk plate near the rear end, a backup plate is arranged in the square groove near the groove opening, a sliding device is arranged at the bottom of the square groove, the sliding device comprises racks symmetrically arranged at the left side and the right side, a connecting rod is arranged between the two racks, tooth grooves are formed at the two ends of the connecting rod, tooth blocks are arranged in the tooth grooves near the groove opening, springs are arranged between the tooth blocks and the rear inner wall of the tooth grooves, a supporting rod is rotatably connected in the middle of the connecting rod, one end of the supporting rod, far away from the connecting rod, is rotatably connected with the middle of the bottom surface of the backup plate, desk plate lower bottom surfaces are symmetrically provided with desk legs near the left side and the right side, and the desk legs comprise lower desk legs and upper desk legs; the adjustable desk not only can adjust the height of the whole desk, but also can adjust the inclination of the desktop of the desk, and is convenient for students to use.

Description

Adjustable desk

Technical Field

The utility model relates to an adjustable desk technical field, specifically speaking relates to an adjustable desk.

Background

The desk is divided into No. 4 and No. 5 labels, which are respectively used by students in junior middle school and primary school grades, and No. 4 desks and chairs are suggested to be mainly used by the students in junior middle school and primary school, and the standard of the height of the desktop of the No. 4 desk is 67 cm. For students with special height, schools can additionally allocate desks and stools, and the current desks are mainly divided into solid wood desks, lifting desks and rubber plastic desks.

The patent with the publication number of CN208371258U discloses an adjustable desk, which comprises a desktop, desk legs and a drawer, wherein the upper ends of the desk legs are fixedly connected with a horizontally arranged and opened '21274', a shape support is provided, the inner side of the support is provided with a first guide chute, the drawer is connected with the support through the first guide chute, one end of the desktop is hinged with two end parts of the support, the support is also provided with a mounting rod, the middle part of the mounting rod is connected with a connecting rod slider mechanism, and the other end of the connecting rod slider mechanism is hinged with the bottom surface of the desktop; the two-way sliding table comprises two first connecting rods hinged to the middle of the bottom surface of the table top, two second connecting rods fixed to the mounting rod, two third connecting rods and a sliding guide groove, wherein the first connecting rods are hinged to the second connecting rods; the table further comprises a spring, a sliding block and a gas spring, wherein two ends of the gas spring are respectively hinged to the bottom surface of the table top and the support.

Although the desk can realize the angle adjustment of the desktop and the height adjustment of the whole desk, the structure is complex, the whole desktop is lifted, the hands of students cannot be conveniently placed on the desk when the textbook is placed, and the use condition is single; in view of this, we propose an adjustable desk.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adjustable desk to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an adjustable desk, includes the table, the table top surface is close to the rear end and is opened there is the square groove, the square inslot is close to notch department and is equipped with the backup plate, square inslot bottom department is equipped with slider, slider includes the rack that left and right sides wall symmetry set up, two be equipped with the connecting rod between the rack, the connecting rod both ends all are equipped with the tooth's socket, be close to notch department in the tooth's socket and be equipped with the tooth piece, the tooth piece with be equipped with the spring between the rear inner wall of tooth's socket, the rotation is connected with the bracing piece in the middle of the connecting rod, the bracing piece is kept away from the one end of connecting rod with rotate in the middle of the backup plate bottom surface and be connected, the bottom surface is close to left and right sides department symmetry and is equipped with the table leg under the table, the table leg includes lower table leg and upper table leg.

Preferably, the front end of the backup plate is hinged with the front end of the notch of the square groove through a rotating shaft.

Preferably, a drawer is arranged between the two table legs, and the upper top surface of the drawer is fixedly connected with the lower bottom surface of the table plate.

Preferably, the lower table leg is connected with the upper table leg in a sliding mode, a first bolt hole is formed in the position, close to the top end, of the lower table leg, a plurality of second bolt holes are formed in the position, close to the lower end, of the upper table leg, and the first bolt holes are matched with the second bolt holes in size.

Preferably, the top ends of the upper table legs are fixedly connected with the lower bottom surface of the table plate, and the lower ends of the lower table legs are fixedly connected with the cross rods.

Preferably, trapezoidal anti-skidding table legs are sleeved at the two ends of the cross rod.

Preferably, the two racks are symmetrically fixed on the left side wall and the right side wall of the square groove, the tooth blocks are meshed with the racks, limiting rods are arranged between the tooth blocks and the rear inner walls of the tooth grooves, the tooth blocks are in sliding connection with the limiting rods, the spring sleeves are arranged on the limiting rods, and the limiting rods are fixedly connected with the rear inner walls of the tooth grooves.

Preferably, a rotary groove is formed in the middle of the connecting rod, a rotary rod is fixedly connected between the left inner wall and the right inner wall of the rotary groove, and the support rod is rotatably connected with the connecting rod through the rotary rod.

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

1. the adjustable desk can adjust the height of the whole desk, and is convenient for students rising differently.

2. When the adjustable desk is used, the backup plate can be lifted, so that a student can conveniently place a textbook when reading, the student does not need to lower the head to read the textbook, the lifting angle of the backup plate can be adjusted, and the textbook is not easy to slide when the included angle between the backup plate and the desktop is included.

Drawings

FIG. 1 is a schematic view of the overall structure of the utility model when the table plate is laid flat;

FIG. 2 is a schematic view of the overall structure of the utility model when the desk plate is rotated;

FIG. 3 is a schematic view of a partial structure of the utility model;

fig. 4 is a top view of a partial structure of the utility model;

in the figure: 1. a table plate; 11. a square groove; 2. a backup plate; 3. a drawer; 4. table legs; 41. lower table legs; 411. a first bolt hole; 42. the table legs are arranged; 421. a second bolt hole; 5. a cross bar; 6. anti-skid table legs; 7. a support bar; 8. a sliding device; 81. a connecting rod; 82. a tooth socket; 83. a rack; 84. a spring; 85. a tooth block.

Detailed Description

The technical solution in the present invention will be clearly and completely described below with reference to the drawings in the present invention, and it is obvious that the described utility model is only a part of the utility model rather than the whole utility model. Based on the utility model provides a utility model, all other utility model that ordinary skilled person in the art obtained under the creative work prerequisite are not made, all belong to the utility model discloses the scope of protection.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. "several" means at least two, e.g., two, three, etc., unless explicitly limited otherwise.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides an adjustable desk, includes table 1, table 1 top surface is near the rear end to open there is square groove 11, be close to notch department in the square groove 11 and be equipped with backup plate 2, square groove 11 inside bottom of the groove department is equipped with slider 8, slider 8 includes rack 83 that left and right sides wall symmetry set up, be equipped with connecting rod 81 between two rack 83, connecting rod 81 both ends all are equipped with tooth's socket 82, be close to notch department in the tooth's socket 82 and be equipped with tooth piece 85, be equipped with spring 84 between the rear inner wall of tooth piece 85 and tooth's socket 82, the middle rotation of connecting rod 81 is connected with bracing piece 7, the one end that connecting rod 81 was kept away from to bracing piece 7 is connected with the middle rotation of backup plate 2 bottom surface, table 1 lower bottom surface is close to left and right sides department symmetry and is equipped with table leg 4, table leg 4 includes lower table leg 41 and upper table leg 42.

In this embodiment, the front end of the backup plate 2 is hinged to the front end of the notch of the square groove 11 through a rotating shaft, so that the backup plate 2 can be rotated upwards to realize angle adjustment.

In addition, a drawer 3 is arranged between the two desk legs 4, the upper top surface of the drawer 3 is fixedly connected with the lower bottom surface of the desk plate 1, and students can store articles such as school books and textbooks conveniently.

Further, lower table leg 41 and upper table leg 42 sliding connection, lower table leg 41 are close to top department and are equipped with first bolt hole 411, and upper table leg 42 is close to the low end and is equipped with a plurality of second bolt holes 421, and the size looks adaptation of first bolt hole 411 and second bolt hole 421 makes things convenient for the altitude mixture control of whole desk, makes things convenient for the student of different heights to use.

Specifically, the top end of the upper leg 42 is fixedly connected to the lower bottom surface of the desk board 1, and the lower end of the lower leg 41 is fixedly connected to the cross bar 5, so that the whole desk is more stable.

In addition, both ends of the cross rod 5 are sleeved with trapezoidal anti-skidding desk legs 6, so that an anti-skidding effect is achieved, and the desk is prevented from sliding.

In this embodiment, two racks 83 are symmetrically fixed on the left and right side walls of the square groove 11, the tooth block 85 is meshed with the racks 83, a limit rod is arranged between the tooth block 85 and the rear inner wall of the tooth groove 82, the tooth block 85 is slidably connected with the limit rod, the spring 84 is sleeved on the limit rod, and the limit rod is fixedly connected with the rear inner wall of the tooth groove 82, so that the tooth block 85 can be always meshed with the racks 83 under the action of the spring 84 in the sliding process.

Further, the middle part of the connecting rod 81 is provided with a rotating groove, a rotating rod is fixedly connected between the left inner wall and the right inner wall of the rotating groove, the supporting rod 7 is rotatably connected with the connecting rod 81 through the rotating rod, and the backup plate 2 drives the supporting rod 7 to rotate and move forwards when rotating upwards so as to drive the sliding device 8 to move.

The utility model discloses an operating principle of adjustable desk, backup plate 2 can rise when using, drive bracing piece 7 and rotate and move forward, thereby pulling connecting rod 81 moves forward, the tooth piece 85 at both ends can be at tooth's socket 82 flexible in the slip in-process simultaneously, after backup plate 2 rises suitable angle, tooth piece 85 and rack 83 intermeshing, thereby realize fixed backup plate 2, this desk can be through the position of adjusting down the bolt hole 43 on table leg 41 and the last table leg 42 simultaneously, thereby adjust the height of whole desk.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. The technical personnel of this trade should understand, the utility model discloses do not receive above-mentioned utility model's restriction, what describe in above-mentioned utility model and the description only does the preferred example of the utility model to do not need to restrict the utility model discloses, under the prerequisite that does not depart from the spirit and the scope of the utility model, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the within range of the utility model who requires protection. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An adjustable desk, includes table (1), its characterized in that: table (1) top surface is close to the rear end and is opened there are square groove (11), be close to notch department in square groove (11) and be equipped with backup plate (2), square groove (11) inside groove bottom department is equipped with slider (8), slider (8) are including rack (83) that left and right sides symmetry set up, two be equipped with connecting rod (81) between rack (83), connecting rod (81) both ends all are equipped with tooth's socket (82), be close to notch department in tooth's socket (82) and be equipped with toothed bar (85), toothed bar (85) with be equipped with spring (84) between the rear inner wall of tooth's socket (82), connecting rod (81) middle rotation is connected with bracing piece (7), bracing piece (7) are kept away from the one end of connecting rod (81) with backup plate (2) bottom surface middle rotation is connected, table (1) bottom surface is close to left and right sides department symmetry and is equipped with table leg (4), table leg (4) include table leg (41) and upper table leg (42) down.

2. The adjustable desk of claim 1, wherein: the front end of the backup plate (2) is hinged and rotatably connected with the front end of the notch of the square groove (11) through a rotating shaft.

3. The adjustable desk of claim 1, wherein: a drawer (3) is arranged between the two table legs (4), and the upper top surface of the drawer (3) is fixedly connected with the lower bottom surface of the table plate (1).

4. The adjustable desk of claim 1, wherein: lower table leg (41) with go up table leg (42) sliding connection, table leg (41) are equipped with first bolt hole (411) near top department down, it is equipped with a plurality of second bolt holes (421) to go up table leg (42) and be close to the low side, just first bolt hole (411) with the size looks adaptation of second bolt hole (421).

5. The adjustable desk of claim 1, wherein: the top ends of the upper table legs (42) are fixedly connected with the lower bottom surface of the table plate (1), and the lower ends of the lower table legs (41) are fixedly connected with cross rods (5).

6. The adjustable desk of claim 5, wherein: both ends of the cross rod (5) are sleeved with trapezoidal anti-skidding table legs (6).

7. The adjustable desk of claim 1, wherein: two rack (83) symmetry is fixed on the left and right sides wall of square groove (11), tooth piece (85) with rack (83) meshing, tooth piece (85) with be equipped with the gag lever post between the back inner wall of tooth's socket (82), tooth piece (85) with gag lever post sliding connection, spring (84) cover is established on the gag lever post, the gag lever post with the back inner wall fixed connection of tooth's socket (82).

8. The adjustable desk of claim 1, wherein: the middle part of the connecting rod (81) is provided with a rotating groove, a rotating rod is fixedly connected between the left inner wall and the right inner wall of the rotating groove, and the supporting rod (7) is rotatably connected with the connecting rod (81) through the rotating rod.