CN218942675U

CN218942675U - Liftable sofa for office

Info

Publication number: CN218942675U
Application number: CN202223351107.XU
Authority: CN
Inventors: 钟扬坤
Original assignee: Foshan Moab Home Furnishings Co ltd
Current assignee: Foshan Moab Home Furnishings Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-05-02
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses a liftable sofa for offices, which comprises a base and a backrest cushion fixedly connected to the top end of the base, wherein armrests are fixedly connected to the top end of the base and positioned on two sides of the backrest cushion, and a cushion is arranged at the top end of the base and positioned at the front end of the backrest cushion. This liftable sofa for office, through setting up elevating system in the inside of base, the hydraulic stem passes through the cylinder and drives the pole cooperation drive plate that contracts, make drive plate cooperation slider, it slides at the slide bar surface to drive the second connecting rod in the slip, make its cooperation connecting axle drive first connecting rod, drive the drive piece cooperation connecting rod through first connecting rod, drive the roof with the second connecting rod cooperation fixed block and reciprocate, thereby drive the cushion through the roof and reciprocate, the height when adjusting sofa sit down, make the sofa can adapt to different body forms's people from this, the comfort level of bringing when increasing to sit down.

Description

Liftable sofa for office

Technical Field

The utility model relates to the technical field of sofas, in particular to a liftable sofa for offices.

Background

Most of the existing office sofas are fixed, the height of the sofas cannot be adjusted, and people feel tired after sitting on the sofas with unsuitable heights for a long time because the postures of the people are different, so that the comfort level brought by the sofas is affected.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a liftable sofa for offices, which solves the problems that most of the sofa for offices is in a fixed form, the height of the sofa cannot be adjusted, and people feel tired after sitting on the sofa with unsuitable height for a long time because the postures of the people are different, so that the comfort degree brought by the sofa is affected.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a liftable sofa for office, includes base and the back pad of fixed connection on the base top, the top of base just is located the equal fixedly connected with handrail in both sides of back pad, the top of base just is located the front end of back pad and is equipped with the cushion, the inside of base is equipped with the elevating system who carries out altitude mixture control to the cushion, elevating system includes the bottom plate of fixed connection in base surface top, the equal fixedly connected with limiting plate in top both sides of bottom plate, both sides just are located two around the top of bottom plate equal fixedly connected with slide bar between the opposite side of limiting plate, the left side of limiting plate just is located two fixedly connected with connecting plate between the slide bar, the front end rotation of connecting plate is connected with first connecting rod.

Preferably, the outer surfaces of the two sliding rods are both connected with sliding blocks in a sliding manner, the opposite sides of the two sliding blocks are both connected with second connecting rods in a rotating manner, connecting shafts are connected between the second connecting rods and the first connecting rods in a rotating manner, and one ends of the two second connecting rods are connected with fixing blocks in a rotating manner.

Preferably, the top ends of the two fixing blocks are fixedly connected with a top plate, the top ends of the top plates are fixedly connected with the bottom end of the cushion, the two sides of the bottom end of the top plate are fixedly connected with a supporting plate, and the supporting plate is positioned between the two opposite sides of the fixing blocks.

Preferably, a connecting rod is fixedly connected between opposite sides of the two support plates, the outer surface of the connecting rod is slidably connected with a driving block, and the rear end of the driving block is rotationally connected with one end of the first connecting rod.

Preferably, the top of bottom plate just is located two fixedly connected with hydraulic stem between the slide bar, the one end fixedly connected with drive plate of hydraulic stem, and the both ends of drive plate all with two one side fixed connection of slider.

Advantageous effects

The utility model provides a liftable sofa for offices. Compared with the prior art, the device has the following

The beneficial effects are that:

this liftable sofa for office, through setting up elevating system in the inside of base, the hydraulic stem passes through the cylinder and drives the pole cooperation drive plate that contracts, make drive plate cooperation slider, it slides at the slide bar surface to drive the second connecting rod in the slip, make its cooperation connecting axle drive first connecting rod, drive the drive piece cooperation connecting rod through first connecting rod, drive the roof with the second connecting rod cooperation fixed block and reciprocate, thereby drive the cushion through the roof and reciprocate, the height when adjusting sofa sit down, make the sofa can adapt to different body forms's people from this, the comfort level of bringing when increasing to sit down.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a front view of the lift mechanism of the present utility model;

FIG. 3 is a view showing a lifting mechanism in a lifted state according to the present utility model;

fig. 4 is a top view of a partial structure of the present utility model.

In the figure: 1. a base; 2. a back cushion; 3. an armrest; 4. a cushion; 5. a lifting mechanism; 501. a bottom plate; 502. a limiting plate; 503. a slide bar; 504. a connecting plate; 505. a first link; 506. a slide block; 507. a second link; 508. a connecting shaft; 509. a fixed block; 510. a top plate; 511. a support plate; 512. a connecting rod; 513. a driving block; 514. a hydraulic rod; 515. and a driving plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides two technical solutions:

embodiment one: the utility model provides a liftable sofa for office, including base 1 and back pad 2 of fixed connection in base 1 top, back pad 2 is prior art, when someone sits on the sofa, lean on back pad 2, give people improvement comfort level, the top of base 1 just is located the both sides of back pad 2 and all fixedly connected with handrail 3, the top of base 1 just is located the front end of back pad 2 and is equipped with cushion 4, the inside of base 1 is equipped with the elevating system 5 to cushion 4 height-adjusting, elevating system 5 is used for adjusting cushion 4's height, elevating system 5 includes the bottom plate 501 of fixed connection in base 1 surface top, the top both sides of bottom plate 501 all fixedly connected with limiting plate 502, both sides and be located between the opposite sides of two limiting plate 502 all fixedly connected with slide bar 503 around the top of bottom plate 501, the left side of limiting plate 502 just be located between two slide bar 503 fixedly connected with connecting plate 504, the left side of one limiting plate 502 is provided with two connecting plates 504 between two slide bars 503, the front ends of the connecting plates 504 are rotationally connected with a first connecting rod 505, the opposite sides of the two connecting plates 504 are rotationally connected with a first connecting rod 505, the outer surfaces of the two slide bars 503 are slidingly connected with a slide block 506, the front ends of the slide blocks 506 are rotationally connected with a second connecting rod 507, the opposite sides of the two slide blocks 506 are rotationally connected with a second connecting rod 507, a connecting shaft 508 is rotationally connected between the rear ends of the second connecting rod 507 and the front ends of the first connecting rod 505, one ends of the two second connecting rods 507 are rotationally connected with a fixed block 509, the top ends of the two fixed blocks 509 are fixedly connected with a top plate 510, the top end of the top plate 510 is fixedly connected with the bottom end of a cushion 4, the outer surface of the top plate 510 is slidingly connected with the inner surface of the base 1, the top plate 510 slides to adjust the height of the cushion 4, the two sides of the bottom end of the top plate 510 are fixedly connected with the supporting plates 511, the front end and the rear end of one supporting plate 511 are fixedly connected between the opposite sides of the fixed blocks 509, a connecting rod 512 is fixedly connected between the opposite sides of the two supporting plates 511 and at the corresponding positions of the sliding rods 503, the outer surfaces of the connecting rods 512 are slidably connected with the driving blocks 513, the rear ends of the driving blocks 513 are rotationally connected with one end of the first connecting rod 505, the outer surfaces of the two connecting rods 512 are slidably connected with the driving blocks 513, the opposite sides of the two driving blocks 513 are rotationally connected with one end of the two first connecting rods 505, the top end of the bottom plate 501 is fixedly connected with a hydraulic rod 514 between the two sliding rods 503, the hydraulic rod 514 is an electric hydraulic rod, the hydraulic rod 514 is electrically connected with an external power supply through a corresponding control switch, one end of the hydraulic rod 514 is fixedly connected with the driving plate 515, the two ends of the driving plate 515 are fixedly connected with one sides of the two sliding blocks 506, the driving plate 515 is driven to move by starting the hydraulic rod 514, the two sliding blocks 506 are driven to slide on the outer surface of the sliding rod 503 by the driving plate 515, the two second connecting rods 507 are driven to slide simultaneously, the two first connecting rods 505 are driven by the two second connecting rods 507 through the connecting shaft 508, the driving block 513 is driven to slide on the outer surface of the connecting rod 512 by the two first connecting rods 505, the second connecting rods 507 are matched to abut against the fixed block 509 while sliding, the sliding block 506 is driven to slide on the sliding rod 503 by the second connecting rods 507, the driving block 513 is driven to slide on the outer surface of the connecting rod 512 by the first connecting rods 505, the top plate 510 moves up and down, the cushion 4 is driven to move by the top plate 510, and therefore the height of the cushion 4 is adjusted by the sofa lifting mechanism 5, and the raised height does not exceed the height of the handrail 3 provided.

Embodiment two: the lifting sofa for offices comprises a lifting mechanism 5 for adjusting the height of a cushion 4, wherein the lifting mechanism 5 is arranged in a base 1, the height of the cushion 4 is adjusted by the lifting mechanism 5, the lifting mechanism 5 comprises a bottom plate 501 fixedly connected above the surface of the base 1, limiting plates 502 are fixedly connected to the two sides of the top end of the bottom plate 501, sliding rods 503 are fixedly connected to the front side and the rear side of the top end of the bottom plate 501 and between the opposite sides of the two limiting plates 502, connecting plates 504 are fixedly connected to the left side of the limiting plates 502 and between the two sliding rods 503, two connecting plates 504 are arranged between the two sliding rods 503, a first connecting rod 505 is rotationally connected to the front end of each connecting plate 504, a first connecting rod 505 is rotationally connected to the opposite sides of each connecting plate 504, sliding blocks 506 are slidingly connected to the outer surfaces of the two sliding rods 503, a second connecting rod 507 is rotationally connected to the front end of each sliding block 506, the opposite sides of the two sliding blocks 506 are respectively and rotatably connected with a second connecting rod 507, the rear end of the second connecting rod 507 is rotatably connected with a connecting shaft 508 between the front end of the first connecting rod 505, one ends of the two second connecting rods 507 are respectively and rotatably connected with a fixed block 509, the top ends of the two fixed blocks 509 are respectively and fixedly connected with a top plate 510, the top ends of the top plates 510 are fixedly connected with the bottom end of the cushion 4, the outer surface of the top plate 510 is in sliding connection with the inner surface of the base 1, the height of the cushion 4 is adjusted by sliding the top plate 510, the two sides of the bottom end of the top plate 510 are respectively and fixedly connected with a supporting plate 511, the front end and the rear end of one supporting plate 511 are fixedly connected between the opposite sides of the fixed blocks 509, the opposite sides of the two supporting plates 511 are respectively and fixedly connected with a connecting rod 512, the outer surface of the connecting rod 512 is slidingly connected with a driving block 513, the rear end of the driving block 513 is rotationally connected with one end of the first connecting rod 505, the outer surfaces of the two connecting rods 512 are both slidingly connected with the driving block 513, the opposite sides of the two driving blocks 513 are rotationally connected with one ends of the two first connecting rods 505, the top end of the bottom plate 501 is fixedly connected with a hydraulic rod 514 between the two sliding rods 503, the hydraulic rod 514 is an electric hydraulic rod, the hydraulic rod 514 is electrically connected with an external power supply through a corresponding control switch, one end of the hydraulic rod 514 is fixedly connected with a driving plate 515, two ends of the driving plate 515 are fixedly connected with one sides of the two sliding blocks 506, the telescopic rod of the hydraulic rod 514 drives the driving plate 515 to move by starting the hydraulic rod 514, the driving plate 515 drives the two sliding blocks 506 to slide on the outer surface of the sliding rod 503, the second connecting rods 507 are driven while sliding, the two second connecting rods 507 drive the two first connecting rods 505 through the connecting shafts 508, the two first connecting rods 505 drive the driving blocks 513 to slide on the outer surface of the connecting rods 512, the second connecting rods 507 are matched while sliding, the driving blocks 506 are matched with the fixing blocks 509, the sliding blocks 506 are driven to slide on the sliding rods 503 through the second connecting rods 507, the driving blocks 513 are matched with the first connecting rods 505 to slide on the outer surface of the connecting rods 512, the top plate 510 is driven to move up and down, the cushion 4 is driven to move when the top plate 510 moves, the height of the sofa cushion 4 is adjusted through the lifting mechanism 5, and the rising height cannot exceed the height of the set armrests 3.

And all that is not described in detail in this specification is well known to those skilled in the art.

When the sofa is required to be adjusted, the hydraulic rod 514 is started to enable the telescopic rod 514 to be recycled through the driving of the air cylinder, the telescopic rod drives the driving plate 515 to move while being recycled, the two ends of the driving plate 515 drive the sliding blocks 506 to slide on the outer surface of the sliding rod 503, the sliding ends simultaneously drive the second connecting rods 507 connected with one sides of the sliding blocks 506 to rotate, the second connecting rods 507 drive the second connecting rods 505 to approach each other through the driving of the sliding blocks 506, the connecting shafts 508 drive the first connecting rods 505 to rotate, one ends of the first connecting rods 505 rotate while moving the driving blocks 513, enable the second connecting rods 507 to slide on the outer surface of the connecting rods 512, and enable one ends of the second connecting rods 507 to abut against the fixed blocks 509 through the cooperation of the second connecting rods 507, so that the first connecting rods 505 and the second connecting rods 507 rotate through the connecting shafts 508, the rotating ends of the second connecting rods are mutually close to each other, the top plates 510 are pushed up, the top plates 510 are driven to move up in the process of moving up, and the cushion 4 are driven to move up, and accordingly the lifting of the sofa can meet the comfort of the sofa, and the comfort of the sofa can be adjusted by the user.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a liftable sofa for office, includes base (1) and fixed connection back pad (2) on base (1) top, its characterized in that: the utility model discloses a seat cushion, including base (1), back pad (2) and base (1), the equal fixedly connected with handrail (3) in both sides that just are located back pad (2) of top of base (1), the top that just is located back pad (2) is equipped with cushion (4), the inside of base (1) is equipped with elevating system (5) that carry out altitude mixture control to cushion (4), elevating system (5) including fixed connection bottom plate (501) in base (1) surface top, the equal fixedly connected with limiting plate (502) in top both sides of bottom plate (501), both sides just are located two all fixedly connected with slide bar (503) between the opposite sides of limiting plate (502) around the top of bottom plate (501), the left side of limiting plate (502) just is located two fixedly connected with connecting plate (504) between slide bar (503), the front end rotation of connecting plate (504) is connected with first connecting rod (505).

2. An office liftable sofa according to claim 1, wherein: the outer surfaces of the two sliding rods (503) are both connected with sliding blocks (506) in a sliding manner, the opposite sides of the two sliding blocks (506) are both connected with second connecting rods (507) in a rotating manner, connecting shafts (508) are connected between the second connecting rods (507) and the first connecting rods (505) in a rotating manner, and one ends of the two second connecting rods (507) are connected with fixed blocks (509) in a rotating manner.

3. An office liftable sofa according to claim 2, wherein: the top ends of the two fixed blocks (509) are fixedly connected with a top plate (510), the top ends of the top plates (510) are fixedly connected with the bottom end of the seat cushion (4), the two sides of the bottom end of the top plate (510) are fixedly connected with a supporting plate (511), and the supporting plate (511) is located between the two opposite sides of the fixed blocks (509).

4. A liftable sofa for offices according to claim 3, characterized in that: a connecting rod (512) is fixedly connected between opposite sides of the two supporting plates (511), a driving block (513) is slidably connected to the outer surface of the connecting rod (512), and the rear end of the driving block (513) is rotatably connected with one end of the first connecting rod (505).

5. An office liftable sofa according to claim 2, wherein: the top of bottom plate (501) just is located two fixedly connected with hydraulic stem (514) between slide bar (503), the one end fixedly connected with drive plate (515) of hydraulic stem (514), and the both ends of drive plate (515) all with one side fixed connection of two slider (506).