CN210960930U

CN210960930U - Angle-adjustable desk

Info

Publication number: CN210960930U
Application number: CN201921026765.7U
Authority: CN
Inventors: 朱玉; 路金豫; 郭正强
Original assignee: Shangqiu Institute of Technology
Current assignee: Shangqiu Institute of Technology
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2020-07-10
Anticipated expiration: 2029-07-03

Abstract

The utility model relates to a desk, in particular to an angle-adjustable desk, which comprises a desk plate and telescopic loop bars for supporting the bottoms of the two ends of the desk plate in a sliding way, wherein a supporting seat plate is arranged on a fixed frame between the telescopic loop bars, a U-shaped bracket is fixedly arranged on the upper surface of the supporting seat plate, and a supporting column for supporting the rotating of the middle bottom surface of the desk plate is fixedly arranged on the top surface of a top plate of the U-shaped bracket; the bottom surface of the desk plate is fixedly connected with the rack in an arc shape; the upper surface horizontal motion of support bedplate is equipped with the motion pinion rack of arc rack looks meshing, still be equipped with on the support bedplate and be used for promoting the push-and-pull subassembly of motion pinion rack horizontal motion. The embodiment of the utility model provides a can promote the rotatory certain angle of desk board, and then realize desk board inclination's regulation, have simple operation, convenient to use's advantage.

Description

Angle-adjustable desk

Technical Field

The utility model relates to a desk, in particular to an angle-adjustable desk.

Background

The desk is a commonly used and necessary teaching article, the usage amount is very large, and the desk is provided with four support legs, the upper ends of the four support legs are all fixed with the desk box, the opening at the rear end of the desk box is closed by a rear baffle which can be opened and closed, and the upper end of the desk box is a fixed desk plate. When the desk is used, students can place school supplies in the desk box, and articles such as books and the like are often placed on the desk plate.

The desk plate of the existing desk is supported on the ground through four supporting legs, the heights of the four supporting legs are not adjustable, and the legs of a student extend into gaps among the four supporting legs. The existing desk plate is horizontally arranged, the front and back inclination angles cannot be adjusted, students often bend down when writing, and the desk plate not only can cause humpback after a long time, but also can cause myopia.

SUMMERY OF THE UTILITY MODEL

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

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

an angle-adjustable desk comprises a desk plate and telescopic loop bars for supporting the bottoms of two ends of the desk plate in a sliding manner, wherein a supporting seat plate is arranged on a fixed frame between the telescopic loop bars, a U-shaped support is fixedly arranged on the upper surface of the supporting seat plate, and a supporting column for supporting the rotation of the middle bottom surface of the desk plate is fixedly arranged on the top surface of a top plate of the U-shaped support; the bottom surface of the desk plate is fixedly connected with the rack in an arc shape;

the upper surface horizontal motion of supporting the bedplate be equipped with arc rack engaged with's motion pinion rack, still be equipped with on the supporting bedplate and be used for promoting motion pinion rack horizontal motion's push-and-pull subassembly, when the motion pinion rack was at the upper surface motion of supporting the bedplate, because arc rack and motion pinion rack intermeshing, and then can promote the desk board around the rotatory certain angle in top of support column to realize the regulation of desk board angle.

As a further aspect of the present invention: the bottom surface of the middle part of the desk plate is rotatably erected at the top end of the supporting column through a hinge shaft.

As a further aspect of the present invention: the telescopic loop bar comprises a supporting cylinder seat and a supporting vertical rod arranged in the supporting cylinder seat in a telescopic sliding mode, and the top end of the supporting vertical rod is connected with the bottom surface of the end part of the desk plate in a sliding mode.

As a further aspect of the present invention: and a supporting spring used for connecting and supporting the bottom end of the upright rod is also arranged in the inner cavity of the lower part of the supporting cylinder seat.

As a further aspect of the present invention: the T-shaped groove has been seted up to the tip lower surface of desk board, the top of supporting the pole setting is articulated install with T-shaped groove sliding fit's T shape slider.

As a further aspect of the present invention: the push-pull assembly comprises two support screw rods which are symmetrically and rotatably arranged below the support seat plate; the two ends of the moving toothed plate are fixedly provided with supporting rods, the bottom ends of the two supporting rods are fixedly provided with supporting screw sleeves, and the two supporting screw sleeves are respectively sleeved on the two supporting screw rods in a threaded connection mode;

the push-and-pull subassembly is still including being used for driving two positive and negative biaxes that support lead screw synchronous revolution and stretching the motor, when two support lead screws of positive and negative rotation biax drive carry out synchronous clockwise rotation, promote two and support the synchronous leftward movement of swivel nut, and then can promote the motion pinion rack and move left, on the contrary, when two support lead screws of positive and negative rotation biax drive carry out synchronous anticlockwise rotation, promote two and support the synchronous rightward movement of swivel nut, and then can promote the motion pinion rack and move right, according to the direction of motion pinion rack, can promote the rotatory certain angle of desk board, and then realize desk board inclination's regulation.

As a further aspect of the present invention: the support base plate is provided with a guide rail groove, the bottom surface of the guide rail groove is provided with a channel, the movable toothed plate is horizontally arranged in the guide rail groove in a sliding mode, and the support rod is arranged in the channel in a penetrating and sliding mode.

Compared with the prior art, the embodiment of the utility model provides an among the angularly adjustable desk, according to two support lead screws of positive and negative rotation biax extension motor drive carry out synchronous revolution's direction, can promote the motion pinion rack and move right, according to the direction of motion pinion rack to under the support linkage of arc rack, can promote the rotatory certain angle of desk board, and then realize desk board inclination's regulation, have simple operation, convenient to use's advantage.

Drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.

Fig. 1 is a schematic structural view of a desk with an adjustable angle provided by an embodiment of the present invention.

Fig. 2 is a schematic view of a partial three-dimensional structure of an angle-adjustable desk provided in an embodiment of the present invention.

In the figure: 1-desk plate, 2-supporting cylinder seat, 3-supporting upright rod, 4-T-shaped groove, 5-T-shaped sliding block, 6-supporting column, 7-articulated shaft, 8-U-shaped bracket, 9-arc rack, 10-moving toothed plate, 11-guide rail groove, 12-channel, 13-positive and negative rotation double-shaft extension motor, 14-supporting screw rod, 15-supporting screw sleeve, 16-supporting spring and 17-supporting seat plate.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-2, in an embodiment provided by the present invention, an angle-adjustable desk comprises a desk board 1 and telescopic rods for slidably supporting bottoms of two ends of the desk board 1, a supporting seat board 17 is fixed between the telescopic rods, a U-shaped bracket 8 is fixedly installed on the upper surface of the supporting seat board 17, and a supporting column 6 for rotatably supporting a bottom surface of a middle portion of the desk board 1 is fixedly installed on a top surface of a top plate of the U-shaped bracket 8; the bottom surface of the desk plate 1 is fixedly connected with an arc-shaped rack 9;

the upper surface horizontal motion of supporting bedplate 17 be equipped with the motion pinion rack 10 that arc rack 9 meshed mutually, still be equipped with on the supporting bedplate 17 and be used for promoting the push-and-pull subassembly of motion pinion rack 10 horizontal motion, when the motion pinion rack 10 is at the upper surface motion of supporting bedplate 17, because arc rack 9 and motion pinion rack 10 intermeshing, and then can promote desk 1 around the rotatory certain angle in top of support column 6 to realize the regulation of desk 1 angle.

Specifically, the bottom surface of the middle part of the desk plate 1 is rotatably erected at the top end of the support column 6 through a hinge shaft 7.

Further, in the embodiment provided by the present invention, the telescopic loop bar comprises a supporting cylinder base 2 and a supporting vertical rod 3 with a lower portion telescopically and slidably disposed in the supporting cylinder base 2, and the top end of the supporting vertical rod 3 is slidably connected to the bottom surface of the end portion of the desk board 1; furthermore, a supporting spring 16 for connecting the bottom end of the supporting upright rod 3 is arranged in the lower inner cavity of the supporting cylinder seat 2.

Furthermore, a T-shaped groove 4 is formed in the lower surface of the end of the desk board 1, and a T-shaped sliding block 5 in sliding fit with the T-shaped groove 4 is hinged to the top end of the supporting upright rod 3.

With continuing reference to fig. 1-2, in the push-pull assembly provided in the embodiment of the present invention, the push-pull assembly includes two support screws 14 symmetrically and rotatably disposed below the support base plate 17; the two ends of the moving toothed plate 10 are fixedly provided with supporting rods, the bottom ends of the two supporting rods are fixedly provided with supporting threaded sleeves 15, and the two supporting threaded sleeves 15 are respectively sleeved on the two supporting screw rods 14 in a threaded connection mode;

the push-and-pull subassembly is still including being used for driving two positive and negative rotation biax that support lead screw 14 synchronous revolution and stretching motor 13, when positive and negative rotation biax stretches motor 13 and drives two support lead screw 14 and carry out synchronous clockwise rotation, promote two and support swivel nut 15 and move left in step, and then can promote the motion pinion rack 10 and move left, on the contrary, when positive and negative rotation biax stretches motor 13 and drives two support lead screw 14 and carry out synchronous anticlockwise rotation, promote two and support swivel nut 15 and move right in step, and then can promote the motion pinion rack 10 and move right, according to the direction of motion pinion rack 10, can promote desk board 1 and rotate certain angle, and then realize desk board 1 inclination's regulation.

Furthermore, a guide rail groove 11 is formed in the support seat plate 17, a channel 12 is formed in the bottom surface of the guide rail groove 11, the moving toothed plate 10 is horizontally slidably arranged in the guide rail groove 11, and the support rod is slidably arranged in the channel 12 in a penetrating manner.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An angle-adjustable desk is characterized by comprising a desk plate (1) and telescopic loop bars for supporting the bottoms of the two ends of the desk plate (1) in a sliding manner, wherein a supporting seat plate (17) is arranged between the telescopic loop bars in a fixed manner, a U-shaped support (8) is fixedly arranged on the upper surface of the supporting seat plate (17), and a supporting column (6) for supporting the bottom surface of the middle part of the desk plate (1) in a rotating manner is fixedly arranged on the top surface of a top plate of the U-shaped support (8); an arc-shaped rack (9) is fixedly connected to the bottom surface of the desk plate (1);

the upper surface horizontal motion of support bedplate (17) be equipped with arc rack (9) engaged with motion pinion rack (10), still be equipped with on support bedplate (17) and be used for promoting the push-and-pull subassembly of motion pinion rack (10) horizontal motion.

2. The angularly adjustable desk of claim 1, characterized in that the middle bottom surface of said desk plate (1) is pivotally mounted on the top of said supporting column (6) by means of a hinge shaft (7).

3. The angle-adjustable desk as claimed in claim 2, wherein the telescopic loop bar comprises a supporting cylinder base (2) and a supporting upright (3) with the lower part telescopically and slidably arranged in the supporting cylinder base (2), and the top end of the supporting upright (3) is slidably connected with the bottom surface of the end part of the desk board (1).

4. The angle-adjustable desk as claimed in claim 3, wherein a supporting spring (16) for connecting the bottom end of the supporting upright (3) is further arranged in the lower inner cavity of the supporting cylinder seat (2).

5. The angle-adjustable desk as claimed in claim 3, wherein the lower surface of the end of the desk plate (1) is provided with a T-shaped groove (4), and the top end of the supporting upright (3) is hinged with a T-shaped sliding block (5) which is in sliding fit with the T-shaped groove (4).

6. The angle-adjustable desk as claimed in any one of claims 2 to 4, wherein the push-pull assembly comprises two support screws (14) symmetrically and rotatably arranged below the support seat plate (17); supporting rods are fixedly arranged at two ends of the moving toothed plate (10), supporting threaded sleeves (15) are fixedly arranged at the bottom ends of the two supporting rods, and the two supporting threaded sleeves (15) are respectively sleeved on the two supporting screw rods (14) in a threaded connection mode;

the push-pull assembly further comprises a forward-reverse rotation double-shaft extension motor (13) for driving the two supporting screw rods (14) to synchronously rotate.

7. The angle-adjustable desk as claimed in claim 6, wherein the supporting seat plate (17) is provided with a guide rail groove (11), the bottom surface of the guide rail groove (11) is provided with a channel (12), the moving toothed plate (10) is horizontally and slidably disposed in the guide rail groove (11), and the supporting rod is penetratingly and slidably disposed in the channel (12).