CN213097005U

CN213097005U - Sitting and lying dual-purpose folding and unfolding chair

Info

Publication number: CN213097005U
Application number: CN202022082783.6U
Authority: CN
Inventors: 杨清芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-05-04
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses a dual-purpose folding and unfolding chair for sitting and lying. It includes the chair body that the bedplate of installation formed on landing leg and the landing leg, the rear portion of bedplate has and articulates on the landing leg and can follow articulated shaft pivoted back through the articulated shaft, the front side bottom of bedplate is provided with the leg access board that can take up and expand, link through link mechanism between back and the leg access board, can make the leg access board be in the state of freely hanging down and make the chair body regard as the receipts chair of sitting and standing use under link mechanism's drive when the back is in upright state, the back can make the leg access board be in the state of expanding and make the chair body regard as the exhibition chair of lying on the back use under link mechanism's drive along the articulated shaft rotation back. After adopting foretell structure, satisfied sit stand and lie on the back two kinds of demands of using, it is very convenient to use, greatly reduced fatigue strength, the comfort level is good.

Description

Sitting and lying dual-purpose folding and unfolding chair

Technical Field

The utility model relates to a dual-purpose folding and unfolding chair for sitting and lying.

Background

No matter be as working personnel of working clan or be as student's teenager, all can lie prone and rest for a while on the desktop after work or study tired, so that better study and work, because there is not the device that is used for assisting the rest specially among the prior art, the mode that adopts direct lying prone to rest on the desk can make the human body feel tired, thereby the comfort level of rest has been influenced, a patent number ZL 201420327389.6 has been disclosed in the chinese patent afterwards, the utility model patent of name desktop support frame of sleeping, this support frame can satisfy the requirement of rest, but because this support frame erects on the desk, can only lie prone and have a rest, on the one hand, there is the problem of lodging easily, on the other hand, the comfort level is not very good yet, make people's neck and waist be in tired state very easily.

Disclosure of Invention

The utility model aims to solve the technical problem that a dual-purpose folding and unfolding chair for sitting and lying is provided, which has the advantages of ingenious and reasonable structural design, various functions, convenient use and high comfort level.

In order to solve the technical problem, the utility model discloses a sit dual-purpose folding and unfolding chair of lying, the chair body that the bedplate formed on four landing legs and landing legs, the rear portion of bedplate has and articulates on the landing leg and can follow articulated shaft pivoted back through the articulated shaft, the front side bottom of bedplate is provided with the leg access board that can fold and unfold, link through link mechanism between back and the leg access board, can make the leg access board be in freely the state of hanging down under link mechanism's drive when the back is in upright state and make the chair body as the folding chair of sitting use, the back can make the leg access board be in the expansion state and make the chair body as the folding and unfolding chair of using of lying on the back along articulated shaft rotation back under link mechanism's drive.

The top of the front and the back supporting legs is provided with two upper crossbeams, the two upper crossbeams are provided with inclined planes which are inclined backwards from the middle back part, and the inclined planes can enable the front part of the seat plate to tilt when the chair body is used as a unfolding chair for lying on the back when the backrest is in a rotating state.

Two all be provided with the recess on the entablature, the pivot is installed to the bottom of bedplate, and the both ends of pivot are spacing in two recesses and can make the bedplate swing along the pivot.

The backrest comprises two main vertical rods hinged to the left side and the right side of the rear portion of the supporting leg, auxiliary vertical rods respectively hinged to the tops of the two main vertical rods, and flexible fabric installed between the two main vertical rods and the two auxiliary vertical rods.

The connecting rod mechanism comprises two front connecting rods hinged to the bottom of the front side of the seat board, a rear connecting rod connected between the bottoms of the two main upright posts and a middle connecting rod hinged between the two front connecting rods and the rear connecting rod, and the leg attachment plate is installed on the middle lower portion of the two front connecting rods.

Landing leg rear portion left and right sides is provided with convertible handrail, two the handrail all is provided with handrail adjustment mechanism, and the handrail passes through handrail adjustment mechanism to be installed on the landing leg, through adjustment mechanism can make the handrail be in lodging state or support state.

The bottom of landing leg all is provided with about two studdles, at least one the locating pin hole of having arranged on the studdle, the locating pin that is used for going on fixing a position the bottom of main pole setting has been concatenated to the locating pin hole of studdle that can be selective.

The left side, the right side and the upper portion of the flexible fabric are sleeved on the main upright stanchion and the auxiliary upright stanchion.

A lower cross beam is arranged between the lower parts of the two front supporting legs, a locking rod with a locking knob is installed on the lower cross beam, and a strip-shaped locking hole is formed in the leg attachment plate, so that the leg attachment plate can be locked by the locking knob when the leg attachment plate is in a vertical state.

Handrail adjustment mechanism includes the casing, installs the rotation regulation dish in the casing and installs and just be located the location plectrum of rotation regulation dish one side in the casing, be provided with on the rotation regulation dish and carry out the adjustment tank that the block and conversion were stirred and can make the arc wall of one section distance of location plectrum operation to the location plectrum, rotate the rotation regulation dish can be with location plectrum block at the adjustment tank or make the location plectrum move to the end of arc wall.

After adopting foretell structure, because the rear portion of bedplate has through the articulated shaft articulate on the landing leg and can follow the leg strap that can receive and release that the front side bottom of articulated shaft pivoted back and bedplate set up, can make the leg strap be in the state of freely hanging down and make the chair body as the receipts chair that sits and use under link mechanism's drive from this when the back is in upright state, can make the leg strap be in the state of expansion and make the chair body as the exhibition chair that lies on the back use under link mechanism's drive after the back rotates along the articulated shaft, satisfied the demand of sitting and lying on the back two kinds of uses, high convenience is used, greatly reduced fatigue strength, the comfort level is good.

Drawings

Fig. 1 is a schematic front view of a folding chair used for sitting and standing;

FIG. 2 is a schematic view of the top view (without the seat plate) of the foldable chair of the present invention;

fig. 3 is a schematic structural view of the armrest adjustment mechanism of the present invention;

FIG. 4 is a schematic structural view of the utility model of a sit-up chair;

fig. 5 is a schematic view of the installation structure of the middle backrest of the present invention.

Detailed Description

The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in the figures, the chair for sitting and lying in the utility model comprises a chair body formed by a landing leg 1 and a seat board 2 arranged on the landing leg, as can be seen from the figures, the landing leg comprises a left front landing leg, a right front landing leg, a left rear landing leg, a right front landing leg, a right rear landing leg, a left upper landing leg, a right upper rear landing leg, a left upper cross beam 26, a right upper cross beam 27, a groove 6, a rotating shaft 7 arranged at the bottom of the seat board 2, the two ends of the rotating shaft 7 are limited in the two grooves and can enable the seat board 2 to swing along the rotating shaft, the back 3 which is hinged on the left rear supporting leg and the right rear supporting leg through a hinge shaft and can rotate along the hinge shaft is arranged at the rear part of the seat board 2, the leg access board 4 which can be folded and unfolded is arranged at the bottom of the front side of the seat board 2, the back 3 and the leg access board 4 are linked through a connecting rod mechanism, as can be seen from figure 2, the connecting rod mechanism comprises two front connecting rods 10 hinged at the bottom of the front side of the base, a rear connecting rod 11 connected between the bottoms of the two main upright rods 8 and a middle connecting rod 12 hinged between the two front connecting rods and the rear connecting rod, the leg access board 4 is arranged at the middle lower parts of the two front connecting rods, the leg access board can be in a free falling state under the driving of the connecting rod mechanism when the back 3 is in an upright state, so that the chair body can be used as a sitting and standing chair body can be unfolded under the driving of the connecting The exhibition chair.

Furthermore, the backrest 3 comprises two main vertical rods 8 hinged on the left and right sides of the rear part of the landing leg, auxiliary vertical rods 20 respectively hinged on the tops of the two main vertical rods 8, and a flexible fabric 9 installed between the two main vertical rods 8 and the two auxiliary vertical rods 20, the flexible fabric 9 can be made of tarpaulin or canvas, and as can be seen from the figure, the left and right sides and the upper part of the flexible fabric 9 are sleeved on the main vertical rods 8 and the auxiliary vertical rods, so that the installation is convenient, in addition, a left cross brace is arranged at the bottom of the left front landing leg and the left rear landing leg, a right cross brace is arranged between the bottom of the right front landing leg and the right rear landing leg, positioning pin holes 16 are distributed on at least one cross brace 15, positioning pins 17 for positioning the bottom of the main vertical rods can be selectively connected in series in the positioning pin holes 16 of the cross braces, certainly, a positioning pin can be connected in series in the hole of one, or a positioning pin can be respectively connected in series in the positioning pin holes of the two cross braces.

Still further, the left and right sides of the upper left crossbeam 26 and the upper right crossbeam 27 are provided with the turnover type armrests 13, both the armrests 13 are provided with armrest adjusting mechanisms 14, the armrests 13 are mounted on the supporting legs 1 through the armrest adjusting mechanisms 14, and can be in a lodging state or a supporting state through the adjusting mechanisms 14, wherein the armrest adjusting mechanisms 14 comprise a housing 21, a rotary adjusting disc 22 mounted in the housing, and a positioning poking piece 23 mounted in the housing and located on one side of the rotary adjusting disc, the rotary adjusting disc 22 is provided with an adjusting groove 24) capable of clamping and shifting the positioning poking piece, and an arc-shaped groove 25 capable of enabling the positioning poking piece to run for a certain distance, and the rotary adjusting disc 22 is rotated to clamp the positioning poking piece in the adjusting groove 24 or enable the positioning poking piece to run to the tail end of the arc-shaped groove 25.

Further, the left and right

upper beams

26 and 27 are each provided with an inclined surface 5 inclined rearward from a middle rear position, and the inclined surface 5 can raise the front portion of the seat plate when the seat body is used as a lie-up seat in a state where the backrest is rotated, thereby improving the comfort of sleep.

Still further, a lower cross beam is arranged between the lower parts of the left front leg and the right front leg, a locking rod 29 with a locking knob 28 is arranged on the lower cross beam, a strip-shaped locking hole is arranged on the leg access board 4, when the leg access board is in a vertical state, the leg access board can be locked by the locking knob, and the locked leg access board fixes the backrest through a link mechanism, so that the functions of sitting and leaning against the backrest are realized.

Claims

1. The utility model provides a sit dual-purpose folding and unfolding chair of lying, includes the chair body that bedplate (2) of installation formed on four landing legs (1) and the landing leg, its characterized in that: the rear portion of bedplate (2) has and articulates on the landing leg and can follow articulated shaft pivoted back (3) through the articulated shaft, the front side bottom of bedplate (2) is provided with leg access board (4) that can receive and release, link through link mechanism between back (3) and leg access board (4), back (3) can make the leg access board be in the free state of hanging down under link mechanism's the drive and make the chair body as the receipts chair that the seat was used when being in upright state, back (3) can make the leg access board be in the state of expansion and make the chair body as the exhibition chair that the back of lying on the back under link mechanism's drive along the articulated shaft rotation back.

2. A chair for sitting and lying down in accordance with claim 1, wherein: the top of the front and the back supporting legs (1) is provided with two upper beams, the two upper beams are provided with inclined planes (5) which incline backwards from the middle rear part, and the inclined planes (5) can enable the front part of the seat plate to tilt when the chair body is used as a folding chair for lying on the back when the backrest is in a rotating state.

3. A chair for sitting and lying down according to claim 2, wherein: two all be provided with recess (6) on the entablature, pivot (7) are installed to the bottom of bedplate (2), the both ends of pivot (7) are spacing in two recesses and can make bedplate (2) along the pivot swing.

4. A chair for sitting and lying down according to claim 1, 2 or 3, wherein: the backrest (3) comprises two main vertical rods (8) hinged to the left side and the right side of the rear portion of the supporting leg, auxiliary vertical rods respectively hinged to the tops of the two main vertical rods (8), and a flexible fabric (9) installed between the two main vertical rods (8) and the two auxiliary vertical rods.

5. A chair for sitting and lying down according to claim 4, wherein: the connecting rod mechanism comprises two front connecting rods (10) hinged to the bottom of the front side of the seat board (2), a rear connecting rod (11) connected between the bottoms of the two main upright rods (8) and a middle connecting rod (12) hinged between the two front connecting rods and the rear connecting rod, and the leg lapping plate (4) is installed on the middle lower portion of the two front connecting rods.

6. A chair for sitting and lying down, or a bed and a pair of foldable chairs, as claimed in claim 1, 2, 3 or 5, wherein: landing leg (1) rear portion left and right sides is provided with convertible handrail (13), two handrail (13) all are provided with handrail adjustment mechanism (14), and handrail (13) are installed on landing leg (1) through handrail adjustment mechanism (14), through adjustment mechanism (14) can make the handrail be in lodging state or support state.

7. A chair for sitting and lying down in claim 6, wherein: two studdles (15), at least about the bottom of landing leg (1) all is provided with two studdles (15) on studdle (15) the registration pin hole (16) of having arranged, can selective concatenate in the registration pin hole (16) of studdle have be used for carrying out the locating pin (17) of fixing a position to the bottom of main pole setting (8).

8. A chair for sitting and lying down according to claim 4, wherein: the left side, the right side and the upper part of the flexible fabric (9) are sleeved on the main vertical rod (8) and the auxiliary vertical rod (20).

9. A chair for sitting and lying dual purpose, folding and unfolding, according to claim 1, 2, 3, 5, 7 or 8, characterized in that: a lower cross beam is arranged between the lower parts of the two front supporting legs (1), a locking rod (29) with a locking knob (28) is installed on the lower cross beam, strip-shaped locking holes are formed in the leg access boards (4), and when the leg access boards are in a vertical state, the leg access boards can be locked through the locking knobs.

10. A chair for sitting and lying down in claim 6, wherein: handrail adjustment mechanism (14) include casing (21), install rotation regulation dish (22) in the casing and install location plectrum (23) that just are located rotation regulation dish one side in the casing, be provided with on rotation regulation dish (22) and carry out block and conversion stirred adjustment tank (24) and can make the arc wall (25) of a section distance of location plectrum operation to the location plectrum, rotate rotation regulation dish (22) can be with location plectrum block at adjustment tank (24) or make the location plectrum move to the end of arc wall (25).