CN217243333U - Adjustable folding chair of lying - Google Patents

Abstract

The utility model discloses an adjustable lying folding chair, which comprises a framework and chair cloth sleeved on the framework, wherein the framework comprises a front leg pipe and a rear leg pipe, the ends of the front leg pipe and the rear leg pipe are connected through chair leg connecting pieces, the inner side of the rear leg pipe is provided with a sitting pipe through a backrest connecting piece in a hinged manner, the sitting pipe is connected with the front leg pipe in a hinged manner, the end part of the sitting pipe is provided with a leg placing pipe in a hinged manner, the sitting pipe is provided with a backrest pipe in a hinged manner, a connecting rod is movably connected between the end part of the backrest pipe and the leg placing pipe, the backrest pipe is provided with a handrail in a hinged manner, the bottom of the handrail is provided with an adjusting groove, the inner walls at the two sides of the adjusting groove are symmetrically provided with limiting blocks distributed in an array manner, the chair leg connecting pieces are movably arranged in the adjusting groove, when in use, not only the leaning and sitting function can be used, but also the lying function can be realized, the lying amplitude can be adjusted, and the carrying and the convenient storage advantages of the folding chair can be utilized, satisfy the multiple rest mode of indoor official working and outdoor camping.

Description

Adjustable folding chair that couches

Technical Field

The utility model belongs to the technical field of the folding chair technique and specifically relates to a folding chair is crouched to adjustable.

Background

The folding chair is a portable chair with a folding function, is convenient to move and saves space. Originally for military use. The device is commonly used in various training institutions, schools at all levels, public places, hospitals, restaurants, hotels, companies, families and other places.

The existing folding chair is very convenient to carry due to the folding property, is suitable for various outdoor camping and indoor use, but the traditional folding chair does not have the lying function when being opened for use, and some folding chairs with the lying function do not have the lying amplitude adjusting function when being designed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides an adjustable folding chair of lying not only can use the function of leaning on to sit when using the folding chair, more can realize the function of lying to can adjust the range of lying, the folding back of usable folding chair is carried and is accomodate convenient advantage, satisfies the multiple rest mode of indoor official working and outdoor camping.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides an adjustable folding chair that crouches, establishes the chair cloth on the skeleton including skeleton and cover, the skeleton includes foreleg pipe and back leg pipe, and the tip of foreleg pipe and back leg pipe passes through chair leg connecting piece to be connected, back leg intraductal side is installed through back connecting piece is articulated to sit the pipe, and sits the pipe and be connected with foreleg pipe is articulated, the articulated leg pipe of putting of tip of sitting the pipe, sit the articulated back pipe of installing of pipe, swing joint has the connecting rod between the tip of back pipe and the leg pipe of putting, articulated handrail of installing on the back pipe, the adjustment tank has been seted up to the bottom of handrail, adjustment tank both sides inner wall symmetry is equipped with the stopper of array distribution, chair leg connecting piece swing joint is in the adjustment tank, and the top of chair leg connecting piece is equipped with the card axle, and the card axle matches with the stopper joint.

As a preferred technical scheme of the utility model, the both ends salient in chair leg connecting piece of card axle, and card axle both ends all with the inner wall contact of adjustment tank, the lower port of adjustment tank is equipped with spacing.

As an optimized technical scheme of the utility model, the fixed slot that is used for the rigid coupling back leg pipe is offered to the one end of chair leg connecting piece, and the other end rigid coupling of chair leg connecting piece has the articulated pivot that is used for articulated foreleg pipe.

As an optimized technical scheme of the utility model, preceding leg pipe, back leg pipe are U type, back pipe and put the leg pipe and be the U type pipe.

As a preferred technical scheme of the utility model, the articulated installation of lower extreme of back connecting piece is on the back leg pipe, and the articulated installation of upper end of back connecting piece is on the back pipe, and the articulated department cover of back connecting piece and back pipe is equipped with limit sleeve, limit sleeve is located the upper end of back leg pipe, and limit sleeve's trailing end connection has the piece of supporting of butt back leg pipe.

As a preferred technical scheme of the utility model, the lower pot head of preceding leg pipe and back leg pipe is equipped with anti-skidding callus on the sole, be equipped with the strengthening rib on the preceding leg pipe.

As an optimal technical scheme of the utility model, be equipped with the back cushion on the chair cloth, the back cushion is located the top of back pipe, and the connection can be dismantled on the chair cloth to the back cushion.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. the bottom ends of the armrests are provided with the adjusting grooves, the limiting blocks distributed in an array mode are arranged in the adjusting grooves, the tops of the chair leg connecting pieces are provided with the clamping shafts, the chair leg connecting pieces are matched with the adjusting grooves in a movable mode, the clamping shafts are matched with the limiting blocks in a clamped mode, the chair leg connecting pieces move in the adjusting grooves, the clamping shafts are clamped on the limiting blocks in different positions, opening and containing of the backrest placing pipes and the leg placing pipes and adjusting of opening ranges of the backrest placing pipes and the leg placing pipes are achieved, when the folding chair is used, not only can the sitting function be used, but also the lying function can be achieved, the lying range can be adjusted, the advantages of convenience in carrying and containing after the folding chair is folded can be utilized, and multiple resting modes of indoor office work and outdoor camping are met;

2. the lower end of the backrest connecting piece is hinged to the rear leg tube, the upper end of the backrest connecting piece is hinged to the backrest tube, the backrest tube can move conveniently when the chair is folded, the limiting sleeve and the supporting piece are arranged on the backrest connecting piece, and the bearing of the rear leg tube is shared by the limiting sleeve and the supporting piece when the chair is used.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a view of the middle frame of the present invention;

FIG. 3 is a schematic view of the connection between the armrest and the leg connector of the present invention;

fig. 4 is a schematic structural view of the armrest of the present invention;

FIG. 5 is a schematic structural view of a middle leg connecting member of the present invention;

FIG. 6 is a first view of the folding chair according to the present invention in an open state;

FIG. 7 is a second view of the folding chair of the present invention in an open state;

FIG. 8 is a folded state of the middle folding chair of the present invention;

fig. 9 is a schematic view of the middle backrest connector of the present invention.

Wherein: 1. a chair cloth; 2. a framework; 3. a handrail; 4. a back cushion; 5. anti-skid foot pads; 6. a chair leg connector; 7. a leg placing pipe; 8. a rear leg tube; 9. a backrest connector; 10. a connecting rod; 11. a front leg tube; 12. a back tube; 13. an adjustment groove; 14. a limiting block; 15. a limiting strip; 16. clamping a shaft; 17. fixing grooves; 18. a hinge shaft; 19. a resisting sheet; 20. a seat pipe; 21. and (5) limiting a sleeve.

Detailed Description

In order to make the technical means, creation features, achievement objects and functions of the present invention easy to understand, the present invention will be further explained with reference to the following embodiments, however, the following embodiments are only preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Referring to fig. 1-9, the utility model provides an adjustable lying folding chair, which comprises a framework 2 and a chair cloth 1 sleeved on the framework 2, wherein the framework 2 comprises a front leg tube 11 and a rear leg tube 8, the ends of the front leg tube 11 and the rear leg tube 8 are connected by a chair leg connecting piece 6, the inner side of the rear leg tube 8 is hinged with a sitting tube 20 by a backrest connecting piece 9, the seat tube 20 is hinged to the front leg tube 11, the end portion of the seat tube 20 is hinged to the leg placing tube 7, the seat tube 20 is hinged to the back tube 12, the connecting rod 10 is movably connected between the end portion of the back tube 12 and the leg placing tube 7, the back tube 12 is hinged to the armrest 3, the bottom of the armrest 3 is provided with an adjusting groove 13, the inner walls of two sides of the adjusting groove 13 are symmetrically provided with limiting blocks 14 distributed in an array mode, the chair leg connecting piece 6 is movably installed in the adjusting groove 13, the top end of the chair leg connecting piece 6 is provided with a clamping shaft 16, and the clamping shaft 16 is in clamping matching with the limiting blocks 14.

Offer the adjustment tank 13 in 3 bottoms of handrail, set up array distribution's stopper 14 in adjustment tank 13, top at chair leg connecting piece 6 sets up the trip shaft 16, activity through chair leg connecting piece 6 and adjustment tank 13 matches, trip shaft 16 matches with stopper 14's joint, through chair leg connecting piece 6 at adjustment tank 13 internalization, trip shaft 16 joint is on the stopper 14 of different positions, realize putting opening and accomodating of back pipe 12 and leg pipe 7, and the range of opening of back pipe 12 and leg pipe 7 is adjusted, when using this folding chair, not only can use the function of leaning on to sit, more can realize the function of lying, and can adjust the range of lying, the convenient advantage is taken with accomodating in the folding back of usable folding chair, satisfy the multiple rest mode of indoor official working and outdoor camping.

Preferably, two ends of the clamping shaft 16 protrude out of the chair leg connecting piece 6, two ends of the clamping shaft 16 are both contacted with the inner wall of the adjusting groove 13, and a lower port of the adjusting groove 13 is provided with a limiting strip 15; thereby preventing the chair leg connecting piece 6 from falling off from the armrest 3 when the position of the chair leg connecting piece 6 is adjusted in the adjusting groove 13.

Preferably, the front leg tube 11 and the rear leg tube 8 are U-shaped, and the backrest tube 12 and the leg placing tube 7 are both U-shaped tubes.

Preferably, one end of the chair leg connecting piece 6 is provided with a fixing groove 17 for fixedly connecting the rear leg pipe 8, and the other end of the chair leg connecting piece 6 is fixedly connected with a hinge rotating shaft 18 for hinging the front leg pipe 11; therefore, when the position of the chair leg connecting piece 6 is adjusted, the problem that the degree of freedom of the chair body structure is insufficient and cannot be adjusted is avoided.

Preferably, the lower end of the backrest connecting piece 9 is hinged to the rear leg tube 8, the upper end of the backrest connecting piece 9 is hinged to the backrest tube 12, a limiting sleeve 21 is sleeved at the hinged position of the backrest connecting piece 9 and the backrest tube 12, the limiting sleeve 21 is positioned at the upper end of the rear leg tube 8, and the tail end of the limiting sleeve 21 is connected with a butting piece 19 which butts against the rear leg tube 8; the lower end of the backrest connecting piece 9 is hinged to the rear leg pipe 8, the upper end of the backrest connecting piece 9 is hinged to the backrest pipe 12, the backrest pipe 12 is convenient to move when the chair is folded, the limiting sleeve 21 and the supporting piece 19 are arranged, and the bearing of the rear leg pipe 8 is shared by the limiting sleeve 21 and the supporting piece 19 when the chair is used.

Preferably, the lower ends of the front leg pipe 11 and the rear leg pipe 8 are sleeved with the anti-skidding foot pads 5, and the front leg pipe 11 is provided with reinforcing ribs; through setting up anti-skidding callus on the sole 5, stability is placed when increasing the chair use, and the strengthening rib increases the structural strength of front leg pipe 11.

Preferably, the chair cloth 1 is provided with a back cushion 4, the back cushion 4 is positioned at the top end of the back cushion tube 12, and the back cushion 4 is detachably connected to the chair cloth 1; the back cushion 4 is arranged at the top end of the back cushion tube 12, and can be used for a user to rest when lying.

Example (b):

during normal use, put leg tube 7 and accomodate the lower extreme at whole chair, the user sits and is located the position of sitting pipe 20 at chair cloth 1, and lean on and be located the position of back pipe 12 at chair cloth 1, through back pipe 12, sit pipe 20, preceding leg pipe 11 and back leg pipe 8 bearing, when needing the rest of lying, the user sits on the chair, both hands lift up two handrail 3 simultaneously upwards, card axle 16 drops from between two adjacent stoppers 14, chair leg connecting piece 6 stirs forward in adjustment tank 13, meanwhile, back pipe 12 rotates backward, put leg tube 7 and rotate forward, after adjusting to suitable position, put down the handrail 3 that lift up, block card axle 16 card between two adjacent stoppers 14, realize the function of lying.

When the chair needs to be folded, the leg placing tube 7 is in a storage state by adjusting the position of the chair leg connecting piece 6 in the adjusting groove 13, the front leg tube 11 is folded towards the rear leg tube 8 along the hinged rotating shaft 18, the backrest tube 12 is folded towards the seat tube 20, the seat tube 20 is folded towards the backrest tube 12, when the chair is folded, the leg placing tube 7 is folded towards the seat tube 20, the seat tube 20 is folded towards the rear leg tube 8, and finally, all structures are folded inwards to realize the folding and the storage of the chair.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides an adjustable folding chair that crouches, includes that skeleton (2) and cover establish chair cloth (1) on skeleton (2), its characterized in that: the utility model discloses a chair leg, including skeleton (2), preceding leg pipe (11) and back leg pipe (8), the tip of preceding leg pipe (11) and back leg pipe (8) is passed through chair leg connecting piece (6) and is connected, back leg pipe (8) inboard is installed through back connecting piece (9) are sat and is managed (20), and sits pipe (20) and articulated being connected with preceding leg pipe (11), the articulated leg pipe (7) of putting of tip of sitting pipe (20), sit pipe (20) articulated installing back pipe (12), swing joint has connecting rod (10) between the tip of back pipe (12) and the leg pipe (7) of putting, articulated installing handrail (3) on back pipe (12), adjustment tank (13) has been seted up to the bottom of handrail (3), adjustment tank (13) both sides inner wall symmetry is equipped with stopper (14) that the array distributes, chair leg connecting piece (6) movable mounting is in adjustment tank (13), the top end of the chair leg connecting piece (6) is provided with a clamping shaft (16), and the clamping shaft (16) is clamped and matched with the limiting block (14).

2. An adjustable lying folding chair according to claim 1, characterized in that: the two ends of the clamping shaft (16) protrude out of the chair leg connecting piece (6), the two ends of the clamping shaft (16) are in contact with the inner wall of the adjusting groove (13), and a limiting strip (15) is arranged at the lower port of the adjusting groove (13).

3. An adjustable lying folding chair according to claim 2, characterized in that: one end of the chair leg connecting piece (6) is provided with a fixing groove (17) for fixedly connecting the rear leg pipe (8), and the other end of the chair leg connecting piece (6) is fixedly connected with a hinged rotating shaft (18) for hinging the front leg pipe (11).

4. An adjustable lying folding chair according to claim 1, characterized in that: the front leg pipe (11) and the rear leg pipe (8) are U-shaped, and the backrest pipe (12) and the leg placing pipe (7) are all U-shaped pipes.

5. An adjustable lying folding chair according to claim 1, characterized in that: the utility model discloses a back rest, including back connecting piece (9), back connecting piece (12), limit sleeve (21) and support piece (19) of back leg pipe (8) are connected to the trailing end of limit sleeve (21) and are connected with the butt piece (19) of butt back leg pipe (8), the articulated installation on back leg pipe (8) of lower extreme of back connecting piece (9), and the articulated department cover of back connecting piece (9) and back tube (12) is equipped with limit sleeve (21), limit sleeve (21) are located the upper end of back leg pipe (8).

6. An adjustable lying folding chair according to claim 1, characterized in that: the anti-skidding foot mat (5) is sleeved on the lower end of the front leg pipe (11) and the lower end of the rear leg pipe (8), and reinforcing ribs are arranged on the front leg pipe (11).

7. An adjustable lying folding chair according to claim 1 or 3, characterized in that: be equipped with back cushion (4) on chair cloth (1), back cushion (4) are located the top of back pipe (12), and connection can be dismantled on chair cloth (1) in back cushion (4).

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