CN220966749U - Lifting adjusting device for student desk and chair - Google Patents

Abstract

The utility model discloses a lifting adjusting device of a student desk and chair, which comprises a bottom barrel, pedals, lifting adjusting devices, lifting barrels, a desk plate and an angle adjusting device, wherein the pedals are arranged between the bottom barrels, the lifting adjusting devices are arranged in the pedals and the bottom barrel, the lifting barrels are arranged on the lifting adjusting devices, the desk plate is hinged and rotated on the lifting barrels through a shaft, and the angle adjusting device is arranged on the lifting barrels and is connected with the desk plate. The utility model belongs to the technical field of school desks and chairs for students, and particularly relates to a lifting adjusting device for a school desk and a chair for students, which not only can adjust the height of the desk and the chair, but also can adjust the angle of a desk plate of the desk and the chair.

Description

Lifting adjusting device for student desk and chair

Technical Field

The utility model belongs to the technical field of student desks and chairs, and particularly relates to a lifting adjusting device for a student desk and a chair.

Background

Desk and chair, is just the desk and chair that the student was used in class, is one kind of desk and chair, also calls student desk and chair, for example, public (bulletin) number: CN215076435U, the utility model has disclosed the lift regulating device of a student desk and chair, through rotating the regulating spindle, make second bevel gear and cooperate with the bevel gear to rotate anticlockwise, make the first bevel gear on the left rotate anticlockwise, the first bevel gear on the right rotate clockwise, thus make the regulating bevel gear on the connecting spindle drive the support column on both sides to move upwards at the same time, facilitate regulation, through utilizing the mutual engagement of latch and gear, after stopping rotating the regulating spindle, make the connecting spindle stop rotating, make the gear limited by latch, facilitate limiting the regulating bevel gear, the fixing of the auxiliary support column height, however there are disadvantages: although the height of the desk and the chair is adjusted, the desk angle of the desk and the chair is not adjusted, because students sometimes need to adjust the angle of the desk and the chair when using the desk and the chair, the sight is more comfortable when reading and learning, and based on the adjustment, improvement is needed.

Disclosure of utility model

In order to solve the problems, the utility model provides the lifting adjusting device of the student desk and chair, which not only can adjust the height of the desk and chair, but also can adjust the angle of the desk plate of the desk and chair.

In order to realize the functions, the technical scheme adopted by the utility model is as follows: the lifting adjusting device comprises a bottom cylinder, pedals, a lifting adjusting device, a lifting cylinder, a table plate and an angle adjusting device, wherein the pedals are arranged between the bottom cylinders, the lifting adjusting device is arranged in the pedals and the bottom cylinder, the lifting cylinder is arranged on the lifting adjusting device, the table plate is hinged and rotated on the lifting cylinder through a shaft, and the angle adjusting device is arranged on the lifting cylinder and is connected with the table plate; the angle adjusting device comprises a fixed box, a rotating shaft, a worm wheel, a worm and a crank, wherein the fixed box is arranged on the lifting cylinder, the rotating shaft is arranged on the table board and rotates in the fixed box, the worm wheel is arranged at the end part of the rotating shaft, the worm is rotationally arranged in the fixed box and is engaged with the worm wheel, the crank is arranged on the worm, and the worm wheel is rotated to engage with the worm wheel to rotate, so that the rotation of the rotating shaft is driven, and the angle adjustment of the table board can be realized.

Further, lift adjusting device includes even axle, gear, awl tooth one, lead screw and awl tooth two, in the footboard was located in the axle rotation, the gear is located on the axle, even axle tip is located to awl tooth one, the lead screw rotates to be located in the end section of thick bamboo, lead screw threaded connection locates in the lift section of thick bamboo, awl tooth two locates the lower extreme of lead screw and is connected with awl tooth one meshing, through rotating the gear, awl tooth one meshing awl tooth two is rotatory, and the lead screw is rotatory in end section of thick bamboo to the lift of lift section of thick bamboo has been realized, the purpose to table altitude mixture control is reached.

Preferably, a connecting plate is arranged between the lifting cylinders.

Preferably, a drawer is arranged in the desk plate.

Preferably, the gear has a portion that leaks out of the pedal to facilitate twisting the gear with a foot for rotation.

Preferably, the lead screw is arranged in the bottom barrels at two sides and can meet the requirement of synchronous lifting of the lifting barrels.

Preferably, the worm wheel is connected with the rotating shaft in a key bar type.

The utility model adopts the structure to obtain the beneficial effects as follows: according to the lifting adjusting device for the desk and chair for students, provided by the utility model, the angle of the desk plate can be adjusted by arranging the angle adjusting device so as to adapt to the reading vision of students, and the purpose of adjusting the height of the desk plate can be achieved by means of feet through the lifting adjusting device, so that the lifting adjusting device is convenient and quick.

Drawings

FIG. 1 is a schematic view of the overall structure of a lifting adjusting device for a student desk and chair according to the present utility model;

fig. 2 is a side view of the internal schematic of the angle adjustment device of fig. 1.

Wherein, 1, a bottom cylinder, 2, a pedal, 3, a lifting adjusting device, 4, a lifting cylinder, 5, a desk plate, 6, an angle adjusting device, 7, a fixed box, 8 and a rotating shaft, 9, worm wheel, 10, worm, 11, crank, 12, connecting shaft, 13, gear, 14, first bevel gear, 15, screw rod, 16, second bevel gear, 17, connecting plate, 18 and drawer.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The present utility model will be described in further detail with reference to the accompanying drawings.

1-2, The lifting adjusting device of the student desk and chair comprises a bottom cylinder 1, a pedal 2, a lifting adjusting device 3, a lifting cylinder 4, a table plate 5 and an angle adjusting device 6, wherein the pedal 2 is arranged between the bottom cylinders 1, the lifting adjusting device 3 is arranged in the pedal 2 and the bottom cylinder 1, the lifting cylinder 4 is arranged on the lifting adjusting device 3, the table plate 5 is hinged and rotated on the lifting cylinder 4 through a shaft, and the angle adjusting device 6 is arranged on the lifting cylinder 4 and is connected with the table plate 5; the angle adjusting device 6 comprises a fixed box 7, a rotating shaft 8, a worm wheel 9, a worm 10 and a crank 11, wherein the fixed box 7 is arranged on the lifting cylinder 4, the rotating shaft 8 is arranged on the table 5 and rotates in the fixed box 7, the worm wheel 9 is arranged at the end part of the rotating shaft 8, the worm 10 is rotationally arranged in the fixed box 7 and is meshed with the worm wheel 9, the crank 11 is arranged on the worm 10, the worm wheel 10 is rotated, the worm wheel 9 is meshed to rotate, and the rotating shaft 8 is driven to rotate, so that the angle adjustment of the table 5 can be realized.

The lifting adjusting device 3 comprises a connecting shaft 12, a gear 13, a first conical tooth 14, a screw rod 15 and a second conical tooth 16, wherein the connecting shaft 12 is rotationally arranged in the pedal 2, the gear 13 is arranged on the connecting shaft 12, the first conical tooth 14 is arranged at the end part of the connecting shaft 12, the screw rod 15 is rotationally arranged in the bottom cylinder 1, the screw rod 15 is in threaded connection with the lifting cylinder 4, the second conical tooth 16 is arranged at the lower end of the screw rod 15 and is in meshed connection with the first conical tooth 14, the first conical tooth 14 is meshed with the second conical tooth 16 to rotate through the rotating gear 13, and the screw rod 15 rotates in the bottom cylinder 1, so that lifting of the lifting cylinder 4 is realized, and the purpose of adjusting the height of the table 5 is achieved.

A connecting plate 17 is arranged between the lifting cylinders 4.

A drawer 18 is provided in the table 5.

The gear 13 has a part which leaks out of the pedal 2, facilitating the rotation of the gear 13 by foot rubbing.

The screw rod 15 is arranged in the bottom barrels 1 at two sides and can meet the requirement that the lifting barrels 4 synchronously lift.

The worm wheel 9 is connected with the rotating shaft 8 by a key bar type.

When the height of the desk plate 5 is required to be adjusted, the gear 13 rotates by rubbing the foot, the connecting shaft 12 is driven to rotate in the pedal 2 by the gear 13, the first conical tooth 14 can be meshed with the second conical tooth 16 to rotate, the screw rod 15 can rotate in the bottom cylinder 1, the screw rod 15 can not lift up and down in the bottom cylinder 1, the screw rod 15 is in threaded connection with the lifting cylinder 4, so that the height of the lifting cylinder 4 can be adjusted, the purpose of adjusting the height of the desk plate 5 is achieved, when the angle of the desk plate 5 is required to be adjusted, the crank 11 is rocked, the worm 10 is meshed with the worm wheel 9 to rotate, the desk plate 5 can be rotated, the crank 11 is stopped, the worm 10 can reversely lock the worm wheel 9, the purpose of adjusting the angle of the desk plate 5 is achieved, and the angle of the sight line of a student is better during learning.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (7)

1. The utility model provides a lift adjusting device of student's desk chair which characterized in that: the lifting adjusting device is arranged in the pedal and the bottom cylinder, the lifting cylinder is arranged on the lifting adjusting device, the table plate is hinged and rotated on the lifting cylinder through a shaft, and the angle adjusting device is arranged on the lifting cylinder and is connected with the table plate; the angle adjusting device comprises a fixed box, a rotating shaft, a worm wheel, a worm and a crank, wherein the fixed box is arranged on the lifting cylinder, the rotating shaft is arranged on the table plate and rotates in the fixed box, the worm wheel is arranged at the end part of the rotating shaft, and the worm is rotationally arranged in the fixed box and is meshed with the worm wheel.

2. The lifting adjustment device for a student desk and chair according to claim 1, wherein: the lifting adjusting device comprises a connecting shaft, a gear, a first bevel gear, a screw rod and a second bevel gear, wherein the connecting shaft is rotationally arranged in the pedal, the gear is arranged on the connecting shaft, the first bevel gear is arranged at the end part of the connecting shaft, the screw rod is rotationally arranged in the bottom cylinder, the screw rod is in threaded connection with the lifting cylinder, and the second bevel gear is arranged at the lower end of the screw rod and is meshed with the first bevel gear.

3. The lifting adjustment device of a student desk and chair according to claim 2, wherein: a connecting plate is arranged between the lifting cylinders.

4. A lifting adjustment device for a student desk and chair according to claim 3, wherein: a drawer is arranged in the desk plate.

5. The lifting and adjusting device for a student desk and chair according to claim 4, wherein: the gear has a portion that leaks out of the pedal.

6. The lifting adjustment device for a student desk and chair according to claim 5, wherein: the lead screw is arranged in the bottom barrels on two sides and can meet the requirement of synchronous lifting of the lifting barrels.

7. The lifting and adjusting device for a student desk and chair according to claim 6, wherein: the worm wheel is connected with the rotating shaft by a key bar type.