CN210902258U

CN210902258U - Lifting sofa frame

Info

Publication number: CN210902258U
Application number: CN201921158079.5U
Authority: CN
Inventors: 李育勤
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-07-03
Anticipated expiration: 2029-07-23

Abstract

The utility model provides a lift sofa frame, including bottom suspension strut, top suspension strut and elevating system, top suspension strut with the bottom suspension strut is including the track that is parallel to each other, elevating system is including the arm of force of shearing and driving piece, the driving piece drive the arm of force of shearing tip is followed rail movement, be provided with the sofa skeleton on the top suspension strut. The lifting of sofa frame can be realized to this frame, and its and sofa frame cooperation stability is high.

Description

Lifting sofa frame

Technical Field

The utility model relates to a sofa technical field especially relates to a sofa frame goes up and down.

Background

With the continuous improvement of living standard of people, the electric reclining chair sofa gradually enters common families. The electric reclining chair sofa is an electrified sofa capable of automatically lying, the surface of the sofa is generally covered by leather materials, the middle of the sofa is filled by sponge, and the foot plate and the backrest of the sofa can be extended and contracted through an electric driving mechanism and a connecting rod mechanism. Under the name of 201620182696.9, the multifunctional sofa is an adjustable lifting sofa, wherein two driving mechanisms are used for lifting the hip rest and the back rest to change the shape of the sofa, and the multifunctional sofa mostly does not have a lifting function, so that the use comfort is greatly reduced. If the patent of application number 201810405551.4, the name is improvement type intelligence sofa of taking raising and lowering functions again, through the lift of vertical cylinder realization sofa, to the changeable sofa frame of structure, this elevating system's stability is difficult to guarantee, and the user can be along with the sofa frame warp the transform posture, and long-time effect can lead to the fact the influence to elevating system stability, influences its life.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sofa frame goes up and down can realize the lift of sofa frame, and it is high with sofa frame cooperation stability.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a lift sofa frame, includes bottom suspension strut, top suspension strut and elevating system, top suspension strut with the bottom suspension strut is including the track that is parallel to each other, elevating system includes the arm of force of shearing and driving piece, the driving piece drive the arm of force of shearing tip is followed the track removes, top suspension strut upside is provided with the sofa skeleton.

Preferably, the upper support frame and the lower support frame comprise a transverse rod and a longitudinal rod, the transverse rod and the longitudinal rod form a rectangular frame, and the track is arranged on the longitudinal rod.

Preferably, the lower support frame is provided with a limiting body, and the limiting body is positioned between the lower support frame and the upper support frame.

Preferably, a placement frame is arranged between the upper support frame and the lower support frame, the placement frame is fixed on the upper support frame, and the sofa framework is arranged on the placement frame.

Preferably, the placing frame is provided with four support rods, the four support rods are symmetrically arranged on the placing frame, the support rods are provided with a leg rest support and a backrest support, and the placing frame is provided with a first driving machine for driving the leg rest support to stretch and a second driving machine for driving the backrest support to stretch.

Preferably, the main connecting rod is fixedly arranged on the supporting rod, the backrest support is arranged at the end part of the main connecting rod in a hinged mode, the first connecting rod is provided with an L-shaped second connecting rod, the first connecting rod is arranged between the second connecting rods on the two sides of the placement frame, the output end of the second driving machine is arranged on the first connecting rod in a hinged mode, the leg support comprises a third connecting rod, a fourth connecting rod, a fifth connecting rod and a sixth connecting rod which are hinged in sequence, the placement frame is provided with a base, the end part of the first connecting rod is arranged on the base in a hinged mode, the end part of the sixth connecting rod is provided with a leg placing body, the third connecting rod is provided with the second connecting rod at the hinged position of the fourth connecting rod, and the output end of the first driving machine is arranged on the second connecting rod in a hinged mode.

Preferably, the shearing arms are symmetrically arranged on two sides of the upper support frame, each shearing arm comprises a first arm body and a second arm body which are hinged, and pulleys moving along the rails are arranged at the end parts of the first arm body and the second arm body.

Preferably, a connecting rod is arranged between the two first arm bodies, and the output end of the driving piece is hinged to the connecting rod.

Preferably, the driving member is an electric push rod or an air cylinder.

Preferably, a roller is arranged on one side of the lower support frame.

To sum up, compare with prior art, the utility model has the advantages of: the lifting of the sofa framework is realized by adopting a shear arm structure, and the stability of the lifting process is good; the sofa framework is arranged on the placement frame between the lower support frame and the upper support frame, so that the center of gravity of the sofa framework and the shearing arm is close to improve the stability of the structure.

Drawings

FIG. 1 is a schematic view of the construction of a lift mechanism;

FIG. 2 is a front view of the lifting mechanism;

fig. 3 is a front view of the sofa frame.

The reference numbers in the figures are as follows:

1. the multifunctional sofa comprises a lower support frame, 11 transverse rods, 12 longitudinal rods, 13 limiting bodies, 14 rollers, 2 upper support frames, 3 lifting mechanisms, 31 shear arms, 311 first arm bodies, 312 second arm bodies, 313 connecting rods, 314 pulleys, 32 driving pieces, 4 tracks, 5 placement frames, 51 supporting rods, 52 bases, 6 sofa frameworks, 61 main connecting rods, 62 backrest supports, 621 first connecting rods, 622 second connecting rods, 623 first connecting rods, 63 leg rest supports, 631 third connecting rods, 632 fourth connecting rods, 633 fifth connecting rods, 634 sixth connecting rods, 635 second connecting rods, 64 telescopic frames and 65 leg rest bodies.

Detailed Description

The invention will be further described with reference to the following examples in the drawings.

As shown in fig. 1 and 2, the lifting sofa rack comprises a lower support frame 1, an upper support frame 2 and a lifting mechanism 3, wherein the upper support frame 2 and the lower support frame 1 comprise rails 4 which are parallel to each other, the lifting mechanism 3 comprises a shearing arm 31 and a driving piece 32, the driving piece 32 drives the end part of the shearing arm 31 to move along the rails 4, and the upper side of the upper support frame 2 is provided with a sofa framework. The upper supporting frame 2 and the lower supporting frame 1 respectively comprise a transverse rod 11 and a longitudinal rod 12, the transverse rod 11 and the longitudinal rod 12 form a rectangular frame, the track 4 is arranged on the longitudinal rod 12, and the track 4 is of a U-shaped steel structure with an opening facing the side part of the longitudinal rod 12. The lower support frame 1 is provided with a limiting body 13, the limiting body 13 is positioned between the lower support frame 1 and the upper support frame 2, and the limiting body 13 is of a columnar structure welded on the lower support frame 1. The number of the limiting bodies 13 is four, and the limiting bodies surround the center of the lower support frame 1 and are arranged opposite to the upper support frame 2 or the placing frame 5.

The placing frame 5 is arranged between the upper supporting frame 2 and the lower supporting frame 1, the placing frame 5 is fixed on the upper supporting frame 2, and the sofa framework 6 is arranged on the placing frame 5. For the sake of convenience of viewing, only the support rods 51 at the lower end of the sofa frame 6 are shown in fig. 1 and 2. The placing frame 5 is a rectangular frame and is positioned at the lower side of the upper supporting frame 2, and a driving machine for driving the sofa framework 6 to extend and contract is arranged on the placing frame 5. The lifting mechanism 3 is positioned on the inner side of the placing frame 5, so that the influence of the lifting mechanism on the sofa outer decoration structure in the working process is avoided. Meanwhile, the vertical center-of-gravity distance between the sofa framework and the shear arm 31 is pulled in, so that the moment load of the force action caused by the deformation of the sofa framework or the posture change of a user on the shear arm 31 is reduced, and the influence on the stability of the lifting mechanism 3 in the use process is avoided.

The shearing arms 31 are symmetrically arranged on two sides of the upper supporting frame 2, each shearing arm 31 comprises a first arm body 311 and a second arm body 312 which are hinged, pulleys 314 moving along the track 4 are arranged at the end parts of the first arm body 311 and the second arm body 312, and the pulleys 314 can be made of polytetrafluoroethylene materials and have good self-lubricating property. A horizontal connecting rod 313 is arranged between the two first arm bodies 311, and the output end of the driving piece 32 is hinged on the connecting rod 313. The output end of the driving member 32 acts on the connecting rod 313, and drives the two first arm bodies 311 to rotate so as to realize lifting. The driving member 32 may be an electric push rod or an air cylinder, an output rod of the electric push rod or the air cylinder is hinged on the connecting rod 313, and the other end is hinged on the cross rod 11 of the lower support frame 1. One side of the lower support frame 1 is provided with a roller 14, and one end of the sofa is lifted so that the roller 14 is contacted with the ground to conveniently move the sofa.

As shown in fig. 3, the placement frame 5 is provided with four support rods 51, the four support rods 51 are symmetrically arranged on the placement frame 5, the support rods 51 are provided with a leg rest bracket 63 and a backrest bracket 62, and the placement frame 5 is provided with a first driving machine for driving the leg rest bracket 63 to extend and retract and a second driving machine for driving the backrest bracket 62 to extend and retract. The support rod 51 is fixedly provided with a main connecting rod 61, and the main connecting rods 61 are symmetrically arranged at two sides of the placing frame 5. The backrest support 62 comprises a first connecting rod 621 hinged to the end of the main connecting rod 61, an L-shaped second connecting rod 622 is arranged on the first connecting rod 621, a first connecting rod 623 is arranged between the second connecting rods 622 on the two sides of the placement frame 5, the output end of a second driving machine is hinged to the first connecting rod 623, the second driving machine is an air cylinder, and the output rod of the second driving machine drives the backrest support 62 to rotate in a telescopic mode. Bracket 63 includes articulated third connecting rod 631 in proper order, fourth connecting rod 632, fifth connecting rod 633 and sixth connecting rod 634, be equipped with base 52 on the shelf 5, the articulated setting on base 52 of first connecting rod 631 tip, sixth connecting rod 634 tip is equipped with expansion bracket 64, expansion bracket 64 tip is equipped with puts foot body 65, third connecting rod 631 is equipped with second connecting rod 635 with the articulated department of fourth connecting rod 632, the articulated setting of the output end of first driving machine is on second connecting rod 635, be provided with the extension spring between fourth connecting rod 632 and the bracing piece 51. The third connecting rod 631, the fourth connecting rod 632, the fifth connecting rod 633 and the sixth connecting rod 634 form a four-bar linkage, the first driving machine is an air cylinder, the telescopic rod of the first driving machine contracts to drive the second connecting rod 635 to move towards the middle of the placing frame 5, and the sixth connecting rod 634 and the telescopic frame 64 move outwards.

The above description is only for explaining the present invention, so that the person skilled in the art can completely implement the present invention, but not for limiting the present invention, and after reading the present specification, the person skilled in the art can make modifications to the present embodiment as required without inventive contribution, which are all modifications without inventive contribution, but are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a lift sofa frame which characterized in that: including under bracing frame (1), upper bracket frame (2) and elevating system (3), upper bracket frame (2) with under bracing frame (1) is including track (4) that are parallel to each other, elevating system (3) are including the shearing arm of force (31) and driving piece (32), driving piece (32) drive shearing arm of force (31) tip is followed track (4) remove, upper bracket frame (2) upside is provided with sofa skeleton (6).

2. The elevating sofa frame of claim 1, wherein: the upper supporting frame (2) and the lower supporting frame (1) comprise a transverse rod (11) and a longitudinal rod (12), the transverse rod (11) and the longitudinal rod (12) form a rectangular frame, and the track (4) is arranged on the longitudinal rod (12).

3. The elevating sofa frame of claim 1, wherein: be equipped with spacing body (13) on lower carriage (1), spacing body (13) are located lower carriage (1) with between upper bracket (2).

4. The elevating sofa frame of claim 1, wherein: an arranging frame (5) is arranged between the upper supporting frame (2) and the lower supporting frame (1), the arranging frame (5) is fixed on the upper supporting frame (2), and the sofa framework (6) is arranged on the arranging frame (5).

5. The elevating sofa frame of claim 4, wherein: be equipped with bracing piece (51) on placer (5), the quantity of bracing piece (51) is four and the symmetry sets up on placer (5), be equipped with bracket support (63) and back support (62) on bracing piece (51), be equipped with the drive on placer (5) bracket support (63) flexible first driving machine to and the drive back support (62) flexible second driving machine.

6. The elevating sofa frame of claim 5, wherein: the utility model discloses a chair backrest support, including bracing piece (51), back support (62) and leg rest (65), be provided with fixed master connecting rod (61) on bracing piece (51), back support (62) are including articulated setting up first connecting rod (621) of master connecting rod (61) tip, be equipped with second connecting rod (622) of L shape on first connecting rod (621), be equipped with head rod (623) between second connecting rod (622) of resettlement frame (5) both sides, the output of second driving machine is articulated to be set up on head rod (623), leg rest support (63) are including articulated third connecting rod (631), fourth connecting rod (632), fifth connecting rod (633) and sixth connecting rod (634) in proper order, be equipped with base (52) on resettlement frame (5), first connecting rod (621) tip is articulated to be set up on base (52), sixth connecting rod (634) tip is equipped with expansion bracket (64), expansion bracket (64) tip is equipped with and puts foot body (65), a second connecting rod (635) is arranged at the hinged position of the third connecting rod (631) and the fourth connecting rod (632), and the output end of the first driving machine is hinged to the second connecting rod (635).

7. The elevating sofa frame of claim 1, wherein: the shearing arm (31) symmetry sets up go up support frame (2) both sides, shearing arm (31) are including articulated first arm body (311) and the second arm body (312) that set up, first arm body (311) with second arm body (312) tip is equipped with the edge pulley (314) that track (4) removed.

8. The elevating sofa frame of claim 7, wherein: a connecting rod (313) is arranged between the two first arm bodies (311), and the output end of the driving piece (32) is hinged to the connecting rod (313).

9. The elevating sofa frame of claim 1, wherein: the driving piece (32) is an electric push rod or an air cylinder.

10. The elevating sofa frame of claim 1, wherein: and one side of the lower support frame (1) is provided with a roller (14).