CN220937233U - Adjustable desk and chair - Google Patents

Abstract

The utility model provides an adjustable desk and chair, which comprises a chair frame, a seat plate, a backrest plate, leg supporting plates and two armrests, wherein the chair frame comprises a left support and a right support which are oppositely arranged, the left support and the right support respectively comprise an upper cross beam and a lower cross beam which are arranged in parallel, a first pillar and a second pillar which are symmetrically arranged and fixedly connected between the upper cross beam and the lower cross beam, the seat plate is fixedly connected between the tops of the two upper cross beams, two first connecting plates which are correspondingly arranged with the upper cross beams are symmetrically arranged at the rear side of the backrest plate, one ends of the first connecting plates are connected with one ends of the upper cross beams through hinges, two second connecting plates which are correspondingly arranged with the upper cross beams are symmetrically arranged at the bottoms of the leg supporting plates, one ends of the second connecting plates are connected with the other ends of the upper cross beams through hinges, and the two armrests are respectively and fixedly connected to the two upper cross beams.

Description

Adjustable desk and chair

Technical Field

The utility model relates to the technical field of desks and chairs, in particular to an adjustable desk and chair.

Background

The desk and the chair are necessary chairs for students to take class in classrooms, and are articles for the students to learn frequently. In order to realize the noon break function, the structure of the desk and the chair on the market becomes particularly complex, the lying posture switching process is complicated, and the operation process is also complex.

Disclosure of Invention

The utility model aims to solve the problems of providing an adjustable desk and chair, which has the advantages of simplifying the structure, reducing the difficulty of posture switching and facilitating the adjustment process.

The adjustable desk and chair comprises a chair frame, a seat plate, a back plate, leg supporting plates and two armrests, wherein the chair frame comprises a left support and a right support which are oppositely arranged, the left support and the right support respectively comprise an upper cross beam and a lower cross beam which are arranged in parallel, a first support and a second support which are symmetrically arranged and fixedly connected between the upper cross beam and the lower cross beam, the seat plate is fixedly connected between the tops of the two upper cross beams, two first connecting plates which are correspondingly arranged with the upper cross beams are symmetrically arranged on the back side of the back plate, one end of each first connecting plate is connected with one end of the upper cross beam through a hinge, two second connecting plates which are correspondingly arranged with the upper cross beam are symmetrically arranged on the bottoms of the leg supporting plates, one end of each second connecting plate is connected with the other end of the upper cross beam through a hinge, and the two armrests are respectively and fixedly connected to the two upper cross beams.

Preferably, a supporting beam is fixedly connected between the two upper cross beams, and a connecting beam is fixedly connected between the two lower cross beams.

Preferably, the seat plate, the back plate and the leg supporting plate are all arranged in an arc shape.

Preferably, the handrail comprises a V-shaped connecting arm, a horizontal connecting part connected to the bottom end of the V-shaped connecting arm, and an arch bridge part connected between the two top ends of the V-shaped connecting arm, wherein the horizontal connecting part is connected to the bottom of the supporting beam through a screw.

Preferably, the backrest plate is provided with a hand slot.

The beneficial effects of the utility model are as follows: the utility model provides an adjustable desk and chair, which is characterized in that when sitting is required, a backrest plate and a leg supporting plate are adjusted to be in a vertical state; when the user needs to recline, the backrest plate and the leg supporting plates are adjusted to be in an inclined state; when lying, the back support plate and the leg support plate are adjusted to be in a horizontal state; the handrails are arranged to facilitate the user to hold the handrails, the user is prevented from falling from the chair when lying and sleeping, the angle of the backrest plate and the leg supporting plate can be adjusted steplessly in a certain angle range according to the use requirement, the structure is simple, the stability is strong, the adjusting process is simple, convenient and quick, and the use experience is better.

Drawings

Fig. 1 illustrates an outline structure of the present utility model.

Fig. 2 illustrates a left side view of the present utility model.

Fig. 3 illustrates an exploded structural schematic of the present utility model.

Fig. 4 illustrates a cross-sectional view of the present utility model.

Reference numerals illustrate: the chair comprises a chair frame 10, a left bracket 11, a right bracket 12, an upper cross beam 13, a lower cross beam 14, a first support 15, a second support 16, a support beam 17, a connecting beam 18, a seat 20, a back plate 30, a first connecting plate 31, a hand notch 32, a leg supporting plate 40, a second connecting plate 41, armrests 50, V-shaped connecting arms 51, horizontal connecting parts 52 and arch bridge parts 53.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure.

All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are intended to be within the scope of the present disclosure, based on the described embodiments of the present disclosure.

Reference is made to fig. 1-4.

The utility model provides an adjustable desk and chair, which comprises a chair frame 10, a seat 20, a backrest plate 30, a leg supporting plate 40 and two armrests 50, wherein the chair frame 10 comprises a left support 11 and a right support 12 which are oppositely arranged, the left support 11 and the right support 12 respectively comprise an upper cross beam 13 and a lower cross beam 14 which are arranged in parallel, a first support 15 and a second support 16 which are symmetrically arranged and fixedly connected between the upper cross beam 13 and the lower cross beam 14, the seat 20 is fixedly connected between the tops of the two upper cross beams 13, two first connecting plates 31 which are correspondingly arranged with the upper cross beams 13 are symmetrically arranged at the rear side of the backrest plate 30, one end of each first connecting plate 31 is connected with one end of each upper cross beam 13 through a hinge, two second connecting plates 41 which are correspondingly arranged with the upper cross beams 13 are symmetrically arranged at the bottom of the leg supporting plate 40, one end of each second connecting plate 41 is connected with the other end of each upper cross beam 13 through a hinge, and the two armrests 50 are respectively fixedly connected with the two upper cross beams 13.

The working principle is that when sitting is needed, the back rest plate 30 and the leg supporting plate 40 are adjusted to be in a vertical state; when the reclining is required, the back plate 30 and the leg rest 40 are adjusted to be in a reclined state; when lying, the back rest plate 30 and the leg support plate 40 are adjusted to be in a horizontal state; the user holds the armrests by arranging the armrests, and the user is prevented from falling from the chair when lying and sleeping, the angle of the backrest plate 30 and the angle of the leg supporting plate 40 can be adjusted steplessly in a certain angle range according to the use requirement, and the chair is simple in structure, strong in stability, simple, convenient and rapid in adjusting process and better in use experience.

Based on the above embodiment, the supporting beam 17 is fixedly connected between the two upper beams 13, and the connecting beam 18 is fixedly connected between the two lower beams 14, so that the structural stability of the chair frame 10 can be improved, and the bearing capacity of the chair can be improved.

Based on the above embodiment, the seat 20, the back rest 30 and the leg rest 40 are all arc-shaped, which has good wrapping feeling and improves the sitting comfort of the chair.

Based on the above embodiment, the armrest 50 includes the V-shaped connecting arm 51, the horizontal connecting portion 52 connected to the bottom end of the V-shaped connecting arm 51, and the arch bridge portion 53 connected between the two top ends of the V-shaped connecting arm 51, the horizontal connecting portion 52 is connected to the bottom of the supporting beam 17 by screws, so that the armrest has good aesthetic appearance, and the hand is placed on the arch bridge portion 53 with good comfort.

Based on the above embodiment, the backrest plate 30 is provided with the hand-hold notch 32 therethrough, and the chair can be conveniently lifted or moved by the fingers fastened to the hand-hold notch 32.

The above embodiments are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.

Claims (5)

1. The utility model provides a desk chair with adjustable, its characterized in that contains chair frame, seat, back board, leg layer board, two armrests, the chair frame contains relative left socle and the right branch frame that sets up, left socle, right branch frame all contain parallel arrangement's entablature and entablature, symmetry setting and fixed connection be in entablature with first pillar and the second pillar between the entablature, seat fixed connection is two between the entablature top, back board rear side symmetry be provided with two with the first connecting plate that the entablature corresponds the setting, first connecting plate one end with pass through hinged joint between entablature one end, leg layer board bottom symmetry be provided with two with the second connecting plate that the entablature corresponds the setting, second connecting plate one end with pass through hinged joint between the entablature other end, two armrests respectively fixed connection on two entablature.

2. The adjustable desk and chair of claim 1 wherein a support beam is fixedly connected between the two upper cross beams and a connecting beam is fixedly connected between the two lower cross beams.

3. The adjustable desk and chair of claim 2 wherein said seat, back rest and leg rest are all arcuate.

4. An adjustable desk and chair as claimed in claim 3 wherein said arm rest comprises a V-shaped arm, a horizontal connecting portion connected to the bottom end of said V-shaped arm, and an arch bridge portion connected between the top ends of said V-shaped arm, said horizontal connecting portion being connected to the bottom of said support beam by screws.

5. The adjustable desk and chair of claim 4 wherein said back support plate is provided with a handle slot therethrough.