CN215686231U

CN215686231U - Myopia-preventing desk and chair

Info

Publication number: CN215686231U
Application number: CN202121191858.2U
Authority: CN
Inventors: 袁铭蔚
Original assignee: Hainan Hongyu Technology Co ltd
Current assignee: Hainan Hongyu Technology Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-02-01
Anticipated expiration: 2031-05-31

Abstract

The utility model belongs to the field of myopia prevention desks and chairs, in particular to a myopia prevention desk and chair, which aims at the existing problems and provides the following scheme, which comprises an embedded plate and a distance sensor which are fixedly arranged in a chair base, wherein the top side of the embedded plate is provided with an installation groove, and the inner walls of the two sides of the mounting groove are both provided with clamping grooves, the bottom side of the distance sensor is fixedly provided with a mounting block, the inside of the mounting block is provided with a cavity, and the inner wall of the bottom side of the cavity is provided with a rectangular hole, the inner wall of the bottom side of the mounting groove is provided with an elongated slot, the inner wall of the top side of the cavity is respectively provided with two vertical rods in a sliding way, and the bottom end of the vertical rod penetrates through the rectangular hole, the utility model solves the defects in the prior art, replaces the mounting mode of the conventional screw, people can detach and replace the distance sensor more simply and conveniently, and the requirements of people are met.

Description

Myopia-preventing desk and chair

Technical Field

The utility model relates to the technical field of myopia prevention desks and chairs, in particular to a myopia prevention desk and chair.

Background

In recent years, the problems of myopia of teenagers are increasing, and the number of people with myopia is increasing, and the reasons for the problems are mostly the sitting posture of the teenagers when reading books, the length of reading time and the like.

The patent with the application number of CN201721334370.4 discloses a myopia prevention desk chair, which comprises a fixed desktop, an adjustable desk and an adjusting rod, wherein the lower end of the fixed desktop is connected with a desktop support frame and a control box, the lower end of the adjustable desk is connected with an adjustable support, a fixed plate is arranged at the middle position of the desktop support frame, the lower end of the desktop support frame is connected with a base, the upper end of the base is provided with a connecting wire, the connecting wire is connected with a chair base, the lower end of the chair base is provided with wheels, the upper end of the chair base is provided with a fixing device, the fixing device is connected with the adjusting rod, an adjusting knob and an adjusting hole are arranged at the middle position of the adjusting rod, and the adjusting knob is connected with an adjusting plate; therefore, the utility model has the advantages of convenient adjustment, simple structure and good effect.

The myopia prevention desk and chair related to the patent is characterized in that the distance sensor is generally fixedly installed in a chair base through screws, and the distance sensor is easy to damage after being used for a long time, so that the installation mode brings troubles to the disassembly and replacement work of people.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a myopia-preventing desk and chair.

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

the utility model provides a myopia prevention's table chair, includes mosaic plate and distance sensor of fixed mounting in the chair base, the mounting groove has been seted up to the top side of mosaic plate, and has all seted up the draw-in groove on the inner wall of mounting groove both sides, distance sensor's bottom side fixed mounting has the installation piece, the cavity has been seted up to the inside of installation piece, and has seted up the rectangular hole on the inner wall of cavity bottom side, the elongated slot has been seted up on the inner wall of mounting groove bottom side, slidable mounting has two montants respectively on the inner wall of cavity top side, and the bottom of montant runs through the rectangular hole to extend to in the elongated slot, three through-holes have been seted up to the bottom side of mosaic plate, and the tee bend is linked together with the elongated slot, fixed mounting has the pivot on the inner wall of three through-hole one side, and alternately rotates respectively in the pivot and install two and hold between the fingers the pole.

Preferably, two sliding grooves are formed in the inner wall of the top side of the cavity respectively, sliding blocks are arranged in the sliding grooves in a sliding mode, and the bottom sides of the sliding blocks are fixedly arranged on the vertical rods.

Preferably, two spouts are close to the one end of equal fixedly connected with spring on the inner wall of one side each other, and the other end fixed connection of spring is on the slider.

Preferably, the round hole has all been seted up on the inner wall of cavity both sides, and the equal fixed mounting in one side that two montants kept away from each other has the one end of kelly, and the other end of kelly runs through the round hole to extend to in the draw-in groove.

Preferably, the rotating shaft is sleeved with a torsion spring, and two ends of the torsion spring are respectively and fixedly connected to the two pinching rods.

Preferably, the mounting block and the clamping rod are respectively matched with the mounting groove and the clamping groove.

According to the myopia-preventing desk and chair, if a damaged distance sensor needs to be disassembled, the two pinching rods are firstly pinched to rotate in the three-way hole, then the two pinching rods can extrude the vertical rod, then the two vertical rods can slide in the cavity, and when the two clamping rods on the vertical rods are completely moved out of the clamping grooves, the distance sensor can be taken down from the embedded plate;

the utility model overcomes the defects in the prior art, replaces the traditional screw mounting mode, enables people to more simply and conveniently detach and replace the distance sensor, and meets the requirements of people.

Drawings

FIG. 1 is a schematic front view of a myopia prevention desk and chair according to the present invention;

FIG. 2 is a schematic structural view of part A of a myopia prevention desk and chair according to the present invention;

fig. 3 is a schematic structural diagram of a part B of the myopia-preventing desk and chair provided by the utility model.

In the figure: the device comprises a mosaic plate 1, a distance sensor 2, a mounting groove 3, a clamping groove 4, a mounting block 5, a cavity 6, a rectangular hole 7, an elongated groove 8, a vertical rod 9, a sliding groove 10, a sliding block 11, a spring 12, a round hole 13, a clamping rod 14, three through holes 15, a rotating shaft 16, a pinching rod 17 and a torsion spring 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example one

Referring to fig. 1-3, a myopia prevention desk and chair comprises an inlay plate 1 and a distance sensor 2 which are fixedly arranged in a chair base, wherein the top side of the inlay plate 1 is provided with an installation groove 3, and the inner walls of the two sides of the mounting groove 3 are both provided with a clamping groove 4, the bottom side of the distance sensor 2 is fixedly provided with a mounting block 5, the inside of the mounting block 5 is provided with a cavity 6, a rectangular hole 7 is arranged on the inner wall of the bottom side of the cavity 6, a long groove 8 is arranged on the inner wall of the bottom side of the mounting groove 3, two vertical rods 9 are respectively and slidably mounted on the inner wall of the top side of the cavity 6, the bottom ends of the vertical rods 9 penetrate through the rectangular hole 7, and extend to in the elongated slot 8, the bottom side of mosaic plate 1 is seted up three through-holes 15, and three through-holes 15 are linked together with elongated slot 8, and the inner wall of three through-holes 15 one side is fixed with pivot 16, and the pivot 16 is crossed the rotatory two poles of kneading the palm 17 of installing respectively.

In the utility model, two sliding grooves 10 are respectively arranged on the inner wall of the top side of the cavity 6, sliding blocks 11 are arranged in the sliding grooves 10 in a sliding mode, and the bottom sides of the sliding blocks 11 are fixedly arranged on the vertical rods 9.

In the utility model, one end of a spring 12 is fixedly connected to the inner wall of one side of each of the two sliding grooves 10, the other end of the spring 12 is fixedly connected to the sliding block 11, and the spring 12 is used for ensuring the clamping between the clamping rod 14 and the clamping groove 4.

In the utility model, round holes 13 are respectively formed in the inner walls of the two sides of the cavity 6, one side of each vertical rod 9, which is far away from each other, is fixedly provided with one end of a clamping rod 14, and the other end of the clamping rod 14 penetrates through the round holes 13 and extends into the clamping groove 4.

In the utility model, the rotating shaft 16 is sleeved with the torsion spring 18, two ends of the torsion spring 18 are respectively and fixedly connected to the two pinching rods 17, and the torsion spring 18 is used for automatically resetting the pinching rods 17.

In the utility model, the mounting block 5 and the clamping rod 14 are respectively matched with the mounting groove 3 and the clamping groove 4.

Example two

In the utility model, two sliding grooves 10 are respectively dug on the inner wall of the top side of the cavity 6, sliding blocks 11 are arranged in the sliding grooves 10 in a sliding mode, and the bottom sides of the sliding blocks 11 are fixedly arranged on the vertical rods 9.

In the utility model, one end of a spring 12 is fixedly welded on the inner wall of one side, close to each other, of each of the two sliding grooves 10, and the other end of the spring 12 is fixedly welded on the sliding block 11.

In the utility model, round holes 13 are dug on the inner walls of two sides of the cavity 6, one side of each vertical rod 9 away from each other is fixedly provided with one end of a clamping rod 14, and the other end of the clamping rod 14 penetrates through the round holes 13 and extends into the clamping groove 4.

In the utility model, the rotating shaft 16 is sleeved with the torsion spring 18, and two ends of the torsion spring 18 are respectively fixedly welded on the two pinching rods 17.

In the utility model, if the damaged distance sensor 2 is to be disassembled, the two pinching rods 17 are firstly pinched to rotate in the three-way hole 15, then the two pinching rods 17 extrude the vertical rod 9, then the two vertical rods 9 slide in the cavity 6, and when the two clamping rods 14 on the vertical rods 9 are completely moved out of the clamping grooves 4, the distance sensor 2 can be taken down from the mosaic plate 1.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A myopia-preventing desk and chair comprises a mosaic plate (1) and a distance sensor (2) which are fixedly installed in a chair base, and is characterized in that a mounting groove (3) is formed in the top side of the mosaic plate (1), clamping grooves (4) are formed in the inner walls of the two sides of the mounting groove (3), a mounting block (5) is fixedly installed on the bottom side of the distance sensor (2), a cavity (6) is formed in the mounting block (5), a rectangular hole (7) is formed in the inner wall of the bottom side of the cavity (6), an elongated slot (8) is formed in the inner wall of the bottom side of the mounting groove (3), two vertical rods (9) are slidably installed on the inner wall of the top side of the cavity (6) respectively, the bottom ends of the vertical rods (9) penetrate through the rectangular hole (7) and extend into the elongated slot (8), and three through holes (15) are formed in the bottom side of the mosaic plate (1), and the three-way hole (15) is communicated with the long groove (8), a rotating shaft (16) is fixedly installed on the inner wall of one side of the three-way hole (15), and two pinching rods (17) are respectively installed on the rotating shaft (16) in a crossed and rotating mode.

2. The myopia-preventing desk and chair according to claim 1, wherein the inner wall of the top side of the cavity (6) is respectively provided with two sliding grooves (10), the sliding grooves (10) are internally provided with sliding blocks (11), and the bottom sides of the sliding blocks (11) are fixedly arranged on the vertical rods (9).

3. A myopia-preventing desk and chair according to claim 2, wherein one end of the spring (12) is fixedly connected to the inner wall of one side of each of the two sliding grooves (10) close to each other, and the other end of the spring (12) is fixedly connected to the sliding block (11).

4. The myopia-preventing desk and chair according to claim 1, wherein circular holes (13) are formed in the inner walls of the two sides of the cavity (6), one side, away from each other, of each of the two vertical rods (9) is fixedly provided with one end of a clamping rod (14), and the other end of each clamping rod (14) penetrates through the circular hole (13) and extends into the clamping groove (4).

5. A myopia-preventing desk and chair as claimed in claim 1, wherein the rotating shaft (16) is sleeved with a torsion spring (18), and two ends of the torsion spring (18) are respectively and fixedly connected to the two pinching rods (17).

6. A myopia-preventing desk and chair according to claim 1, wherein the mounting block (5) and the clamping rod (14) are respectively matched with the mounting groove (3) and the clamping groove (4).