CN216723885U

CN216723885U - Sofa chair with adjustable shape

Info

Publication number: CN216723885U
Application number: CN202123139547.4U
Authority: CN
Inventors: 王华军
Original assignee: Jiwei Leisure Products Co ltd
Current assignee: Jiwei Leisure Products Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-06-14
Anticipated expiration: 2031-12-15

Abstract

The utility model discloses a sofa chair with adjustable shape, which comprises a main body frame, the main body frame comprises a handrail frame, a backrest frame and a sitting frame, and also comprises an adjusting module, the adjusting module comprises a telescopic unit and a leg support unit, the leg support unit is fixed at the bottom end of the telescopic unit, the telescopic unit comprises a rotating shaft, a driving rod and a linkage rod group, the rotating shaft is hinged with the linkage rod group, the driving rod is hinged with the linkage rod group, two ends of the rotating shaft are fixed on the handrail frames at two sides, the backrest frame is movably hinged with the sitting frame, the telescopic unit is movably hinged with the sitting frame, the backrest frame is pushed and pulled to move after being stressed, and the sitting frame pushes and pulls the leg support unit to lift and descend through the adjusting module.

Description

Sofa chair with adjustable shape

Technical Field

The utility model relates to a leisure articles field especially relates to leisure furniture, is a sofa chair of adjustable form particularly.

Background

The sofa usually refers to a single person sofa, the frame of the sofa is made of metal, rattan and solid wood, and the skin comprises leather, cloth, plastics and the like. The sofa chair in the prior art comprises a sofa base, a sofa backrest connected with the sofa base and sofa armrests arranged on two sides of the sofa base, generally speaking, the sitting posture of the sofa chair is more comfortable for users with general shapes, but because of the height and the body of the users, the fixed sofa backrest has certain discomfort, and the leisure effect of the sofa chair is affected when the legs of the users exceed the length of the chair legs or cannot touch the ground. In the prior art, devices are available which allow the back and leg support of the sofa to be adjusted independently. But each time the use is deformed, the mechanical structure is needed to push or the electric structure is needed to adjust, so that the use is not comfortable and convenient.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sofa chair with adjustable shape, aiming at the defects in the prior art, which comprises a main body frame, the main body frame comprises an armrest frame, a backrest frame, a sitting frame and an adjusting module, the adjusting module comprises a telescopic unit and a leg support unit, the leg support unit is fixed at the bottom end of the telescopic unit, the telescopic unit comprises a rotating shaft, a driving rod and a linkage rod group, the rotating shaft is hinged with the linkage rod group, the driving rod is hinged with the linkage rod group, two ends of the rotating shaft are fixed on the armrest frames at two sides, the backrest frame is movably hinged with the sitting frame, the telescopic unit is movably hinged with the sitting frame, the backrest frame is pushed and pulled to move after being stressed, the sitting frame pushes and pulls the leg support unit to lift and descend through the adjusting module.

Preferably, connecting pieces are arranged on two sides of the lower portion of the backrest frame, one end of each connecting piece is rotatably connected to the side edge of the backrest frame, and the other end of each connecting piece is movably connected to the sitting frame.

Preferably, the bottom end of the telescopic unit is further provided with a leg support bracket, and the leg support bracket supports the leg support unit.

Preferably, the leg support unit is provided with a main leg support frame and an auxiliary leg support frame, and the auxiliary leg support frame is sleeved in the main leg support frame in a storage state.

Preferably, a linkage shaft is fixedly arranged at the bottom of the riding frame, one end of the driving rod is sleeved on the linkage shaft, and when the riding frame moves, the linkage shaft pushes and pulls the driving rod to move.

Preferably, one end of the linkage rod group is rotatably connected to the rotating shaft, and when the driving rod pushes the linkage rod group to move, the rotating end of the linkage rod group rotates around the rotating shaft.

Preferably, a positioning beam is fixed between the armrest frames on two sides, a positioning folding piece is arranged at the bottom of the backrest frame, and the positioning folding piece is rotatably connected to the positioning beam to limit the movement range of the backrest frame.

Preferably, the outer layer of the main body frame is wrapped with rattan woven fabric.

Preferably, the leg support unit is externally sleeved with a cloth pad.

Compared with the prior art, the beneficial effects of the utility model reside in that: the redundant design is simplified by arranging the uniformly linked adjusting modules, so that a user can find comfortable sitting and lying postures without redundant operation; after getting up, the sofa chair in the unfolding state is recovered by the gravity of the user after changing the gravity center, so that the sofa chair is convenient and quick; the multi-stage leg support can be comfortably attached to the shape of the leg, the pressure intensity is reasonably distributed, and the comfort level is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be discussed below, it is obvious that the technical solutions described in conjunction with the drawings are only some embodiments of the present invention, and for those skilled in the art, other embodiments and drawings can be obtained according to the embodiments shown in the drawings without creative efforts.

Fig. 1 is a schematic perspective view of a sofa chair with adjustable shape according to the present invention.

Fig. 2 is a side view of the armrest frame of the sofa of the present invention with adjustable shape.

Fig. 3 is a rear view schematic diagram of a sofa chair with an adjustable shape according to the present invention.

Fig. 4 is a schematic bottom view of the sofa chair of the present invention with adjustable configuration.

Fig. 5 is a schematic structural diagram of an adjusting module of a sofa chair with an adjustable shape according to the present invention.

Fig. 6 is a schematic structural view of a leg support unit of a sofa chair with an adjustable shape according to the present invention.

In the figure: 1-main body frame, 2-armrest frame, 3-backrest frame, 31-sitting frame, 32-connecting piece, 4-telescopic unit, 41-linkage shaft, 42-driving rod, 43-rotating shaft, 44-linkage rod group, 45-leg support bracket, 5-leg support unit, 51-main leg support frame and 52-auxiliary leg support frame.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments described in the present disclosure, all other embodiments obtained by those skilled in the art without creative efforts are within the protection scope of the present disclosure.

The embodiment of the utility model provides a sofa chair of adjustable form, as shown in fig. 1 to fig. 6, sofa chair includes main body frame 1, main body frame 1 include handrail frame 2, back frame 3 and take frame 31, handrail frame 2 is the metal material, divide to be listed as in both sides parallel arrangement, both sides handrail frame 2 between be fixed with the location crossbeam, 3 bottoms of back frame be provided with the location tab, the location tab rotate connect in the location crossbeam, the restriction 3 movement range of back frame. The bottom of the riding frame 31 is fixedly provided with a linkage shaft 41, one end of the driving rod 42 is sleeved on the linkage shaft 41, and when the riding frame 31 moves, the linkage shaft 41 pushes and pulls the driving rod 42 to move. One end of the linkage rod set 44 is rotatably connected to the rotating shaft 43, and when the driving rod 42 pushes the linkage rod set 44 to move, the rotating end of the linkage rod set 44 rotates around the rotating shaft 43.

The folding chair is characterized by further comprising an adjusting module, wherein the adjusting module comprises a telescopic unit 4 and a leg supporting unit 5, the leg supporting unit 5 is fixed at the bottom end of the telescopic unit 4, the telescopic unit 4 comprises a rotating shaft 43, a driving rod 42 and a linkage rod group 44, the rotating shaft 43 is hinged to the linkage rod group 44, the driving rod 42 is hinged to the linkage rod group 44, two ends of the rotating shaft 43 are fixed to the armrest frames 2 on two sides, the backrest frame 3 is movably hinged to the sitting frame 31, the telescopic unit 4 is movably hinged to the sitting frame 31, the backrest frame 3 is pushed and pulled by force to move the sitting frame 31, and the sitting frame 31 is pushed and pulled by the adjusting module to lift and descend the leg supporting unit 5.

Connecting pieces 32 are arranged on two sides of the lower part of the backrest frame 3, one end of each connecting piece 32 is rotatably connected to the side edge of the backrest frame 3, and the other end of each connecting piece 32 is movably connected to the sitting frame 31.

The leg support unit 5 is provided with a main leg support frame 51 and an auxiliary leg support frame 52, and the auxiliary leg support frame 52 is sleeved in the main leg support frame 51 in a storage state. The bottom end of the telescopic unit 4 is also provided with a leg support bracket 45, and the leg support bracket 45 supports the main leg support frame 51 and the auxiliary leg support frame 52 respectively.

The outer layer of the main body frame 1 is wrapped with rattan woven fabric. The leg support unit 5 is externally sleeved with a cloth pad.

When a user sits, the user leans backwards to change the gravity center, the upper part of the backrest frame 3 is pressed by gravity to rotate downwards in an inclined way, the lower part of the backrest frame 3 relatively rotates forwards and drives the connecting piece 32, the connecting piece 32 pushes the sitting frame 31 forwards, the linkage shafts 41 move forwards synchronously, the driving rod 42 connected with the linkage shafts 41 is pushed forwards, the rotating shaft 43 is fixed and thus the position is not changed, the linkage rod set 44 connected to the rotating shaft 43 and the driving rod 42 are in a quadrilateral structure, the vertexes of the quadrilateral structure are movably connected, the point arranged on the active rod 42 is used as a fulcrum, when the active rod 42 moves forward, the part of the linkage rod set 44 at the lower end of the fulcrum is influenced by the fulcrum to rotate and lift, and the quadrilateral linkage deformation moves forward to lift the leg support bracket 45.

When the user rises, the gravity center is changed, the force applied to the upper part of the backrest frame 3 is reduced, the backrest frame 3 is reset, the leg support unit 5 falls back under the action of gravity, and the main leg support frame 51 and the auxiliary leg support frame 52 drive the linkage rod group 44 to contract backwards and reset.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. The scope of the invention is indicated by the appended claims, rather than the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a sofa chair of adjustable form, includes main body frame (1), main body frame (1) including handrail frame (2), back frame (3) and take frame (31), its characterized in that: also comprises an adjusting module, the adjusting module comprises a telescopic unit (4) and a leg support unit (5), the leg support unit (5) is fixed at the bottom end of the telescopic unit (4), the telescopic unit (4) comprises a rotating shaft (43), a driving rod (42) and a linkage rod group (44), the rotating shaft (43) is hinged with the linkage rod group (44), the driving rod (42) is hinged with the linkage rod group (44), two ends of the rotating shaft (43) are fixed on the handrail frames (2) at two sides, the backrest frame (3) is movably hinged with the sitting frame (31), the telescopic unit (4) is movably hinged with the sitting frame (31), the backrest frame (3) pushes and pulls the sitting frame (31) to move after being stressed, the sitting frame (31) pushes and pulls the leg support unit (5) to lift and descend through the adjusting module.

2. The sofa chair of claim 1, wherein the adjustable configuration comprises: connecting pieces (32) are arranged on two sides of the lower portion of the backrest frame (3), one end of each connecting piece (32) is rotatably connected to the side edge of the backrest frame (3), and the other end of each connecting piece is movably connected to the sitting frame (31).

3. The sofa chair of claim 1, wherein the adjustable configuration comprises: the bottom end of the telescopic unit (4) is also provided with a leg support bracket (45), and the leg support bracket (45) supports the leg support unit (5).

4. The sofa chair of claim 1, wherein the adjustable configuration comprises: the leg support unit (5) is provided with a main leg support frame (51) and an auxiliary leg support frame (52), and the auxiliary leg support frame (52) is sleeved in the main leg support frame (51) in a storage state.

5. The sofa chair of claim 1, wherein the adjustable configuration comprises: the novel riding device is characterized in that a linkage shaft (41) is fixedly arranged at the bottom of the riding frame (31), one end of a driving rod (42) is sleeved on the linkage shaft (41), and when the riding frame (31) moves, the linkage shaft (41) pushes and pulls the driving rod (42) to move.

6. The sofa chair of claim 1, wherein the adjustable configuration comprises: one end of the linkage rod group (44) is rotationally connected with the rotating shaft (43), and when the driving rod (42) pushes the linkage rod group (44) to move, the rotating end of the linkage rod group (44) rotates around the rotating shaft (43).

7. The sofa chair of claim 1, wherein the adjustable configuration comprises: a positioning beam is fixed between the handrail frames (2) on the two sides, and a positioning folding piece is arranged at the bottom of the back rest frame (3) and is rotationally connected with the positioning beam to limit the moving range of the back rest frame (3).

8. The sofa chair of claim 1, wherein the adjustable configuration comprises: the outer layer of the main body frame (1) is wrapped with rattan woven fabrics.

9. The sofa chair of claim 1, wherein the adjustable configuration comprises: the leg support unit (5) is externally sleeved with a cloth pad.