CN216875711U

CN216875711U - Sofa with adjustable seat depth

Info

Publication number: CN216875711U
Application number: CN202220203898.2U
Authority: CN
Inventors: 曹树汉; 雷国华; 陈名广
Original assignee: Shenzhen Yuanchao Intelligent Life Co Ltd
Current assignee: Shenzhen Yuanchao Intelligent Life Co Ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-07-05
Anticipated expiration: 2032-01-25

Abstract

The utility model discloses a sofa with adjustable sitting depth, which comprises a cushion, wherein two sides of the cushion are movably contacted with sofa armrests, the rear sides of the two sofa armrests are fixedly provided with the same sofa backrest, and an inclined adjustable height adjusting mechanism is fixedly connected between the two sofa armrests; height-adjusting mechanism with adjustable slope includes the box-shaped base of fixed connection between two sofa handrails, and the top of box-shaped base sets up to the opening, and sliding sleeve is equipped with the rectangle cover in the box-shaped base, and the top of rectangle cover sets up to the slope structure, and the top front side rotation of rectangle cover installs the seat, the top of seat and the bottom movable contact of cushion. The height of the seat cushion can be conveniently adjusted according to actual needs, the sitting depth height can be conveniently adjusted by personnel according to actual needs, the use comfort is improved, the inclination angle of the seat cushion can be conveniently adjusted according to actual needs, the use experience feeling is further improved, the sitting depth height and the inclination angle can be integrated, and the use requirements are met.

Description

Sofa with adjustable seat depth

Technical Field

The utility model relates to the technical field of sofas, in particular to a sofa with adjustable sitting depth.

Background

The sofa is an exotic word and is formed according to the sound translation of English words sofa, is a multi-seat chair with cushions, and is provided with armrests at two sides and is one of furniture; through retrieval, the grant notice number CN210870623U discloses a sofa with adjustable sitting depth, which comprises a sofa armrest, wherein the inner side of the bottom end of the sofa armrest is provided with a bearing, the inner side of the bearing is provided with a lead screw, the outer side of the lead screw is rotatably connected with a moving block, the inner side of the bottom end of the sofa armrest is symmetrically provided with guide posts, the top end of each guide post is provided with a fixed plate, the top side of each plate is provided with a motor, the output end of each motor penetrates through a through hole to be rotatably connected with the lead screw, one side of the sofa armrest is provided with a limit groove, the inner side of the limit groove is provided with a limit post, one side of the limit post is connected with a bottom plate, the top side of the bottom plate is provided with a sofa cushion, one side of the sofa armrest is rotatably connected with a sofa backrest, one side of the sofa backrest is provided with a neck massager, the top side of the sofa armrest is provided with a cup groove, the top side of the sofa armrest is provided with a control switch, the sofa with adjustable sitting depth can increase the experience effect of a user, the use comfort is increased.

Although the above patent realizes the effect of adjusting the sitting depth by adjusting the height of the sofa cushion through lifting; however, the sofa cushion still has some defects, the height of the sofa cushion can be adjusted only, the inclination angle cannot be adjusted, when people are in different states, different sitting postures are needed, if the people are in working and working states, the human body needs to lean forward slightly, and at the moment, the rear side of the sofa cushion is slightly higher than the front side of the sofa cushion, so that better forward leaning supporting feeling can be brought to the people; in summary, there is a need for a sofa with adjustable height and inclination, and we propose a sofa with adjustable seating depth to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a sofa with an adjustable sitting depth.

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

a sofa with adjustable sitting depth comprises a cushion, wherein two sides of the cushion are movably contacted with sofa armrests, the rear sides of the two sofa armrests are fixedly provided with the same sofa backrest, and an inclination adjustable height adjusting mechanism is fixedly connected between the two sofa armrests;

the inclination adjustable height adjusting mechanism comprises a box-shaped base fixedly connected between two sofa armrests, the top of the box-shaped base is provided with an opening, a rectangular sleeve is sleeved in the box-shaped base in a sliding manner, the top of the rectangular sleeve is provided with an inclined structure, the front side of the top of the rectangular sleeve is rotatably provided with a seat plate, the top of the seat plate is movably contacted with the bottom of a cushion, an elastic telescopic rubber sleeve is fixedly connected between the bottom of the seat plate and the top of the box-shaped base, the rectangular sleeve is positioned in the elastic telescopic rubber sleeve, a fixed seat is fixedly connected between the inner wall of the front side and the inner wall of the rear side of the rectangular sleeve, a telescopic guide component is fixedly connected between the bottom of the fixed seat and the inner wall of the bottom of the box-shaped base, the bottom of the fixed seat is rotatably provided with a first screw rod, the telescopic guide component is sleeved on the first screw rod in a threaded manner, the top of the fixed seat is provided with a rectangular groove, and a first motor is fixedly arranged on the inner wall of the left side of the rectangular groove, the output shaft bottom of first motor and the top fixed connection of first screw rod, the bottom rear side fixedly connected with fixed plate of fixing base rotates on installing the screw drive subassembly on the rear inner wall of rectangle cover, and the top of screw drive subassembly is articulated mutually with the bottom of seat, two guide bars of fixedly connected with between the rear side of fixed plate and the rear inner wall of rectangle cover, and screw drive subassembly sliding sleeve establishes on two guide bars, and the front side fixed mounting of fixed plate has the second motor, the output shaft of second motor and screw drive subassembly's front end fixed connection.

Preferably, the telescopic guide assembly comprises a rectangular pipe and a rectangular rod which is slidably sleeved in the rectangular pipe, the bottom end of the rectangular rod is fixedly connected with the inner wall of the bottom of the box-shaped base, the top end of the rectangular pipe is fixedly connected with the bottom of the fixing seat, and the rectangular rod is sleeved on the first screw rod in a threaded manner.

Preferably, the screw thread drive assembly includes the second screw rod of rotation installation on rectangle cover rear side inner wall, and threaded sleeve is equipped with the removal seat on the second screw rod, removes the seat slip cover and establishes on two guide bars, removes the both sides of seat and all rotates the branch of installing the slope setting, and the top of branch is articulated with the bottom of seat, the front end of second screw rod and the output shaft fixed connection of second motor.

Preferably, the front side of the seat plate is provided with two grooves with bottoms provided with openings, hinges are fixedly connected between the inner walls of the rear sides of the grooves and the tops of the front sides of the rectangular sleeves, and the seat plate is rotatably installed with the rectangular sleeves through the two hinges.

Preferably, the top of the fixing seat is an inclined plane, the bottom of the fixing seat is provided with a mounting hole communicated with the rectangular groove, a first bearing is fixedly connected between the inner walls of the two sides of the mounting hole, and the inner side of an inner ring of the first bearing is fixedly connected with the outer side of the first screw rod.

Preferably, a limiting hole is formed in the inner wall of the front side of the rectangular pipe, a limiting block in sliding connection with the limiting hole is fixedly connected to the top of the front side of the rectangular rod, and a first threaded hole in threaded connection with the first screw rod is formed in the top end of the rectangular rod.

Preferably, the rear side of the moving seat is provided with a second threaded hole and two guide holes, the second threaded hole is in threaded connection with the second screw, and the inner wall of each guide hole is in sliding connection with the outer side of the corresponding guide rod.

Preferably, a round hole is formed in the bottom of one side of the supporting rod, a second bearing is fixedly sleeved in the round hole, pin shafts are fixedly connected to two sides of the moving seat, and inner rings of the second bearing are fixedly sleeved with the outer sides of the corresponding pin shafts.

Compared with the prior art, the utility model has the beneficial effects that:

the height of the seat cushion can be conveniently adjusted according to actual needs, the sitting depth height can be conveniently adjusted by personnel according to actual needs, the use comfort is improved, the inclination angle of the seat cushion can be conveniently adjusted according to actual needs, the use experience feeling is further improved, the sitting depth height and the inclination angle can be integrated, and the use requirements are met.

Drawings

Fig. 1 is a schematic structural view of a sofa with adjustable sitting depth according to the present invention;

fig. 2 is a schematic right sectional view of the tilt adjustable height adjustment mechanism of the sofa with adjustable sitting depth according to the present invention.

In the figure: 100. a cushion; 101. a sofa armrest; 102. a sofa backrest; 1. a seat plate; 2. a box-shaped base; 3. a rectangular sleeve; 4. an elastic telescopic rubber sleeve; 5. a fixed seat; 6. a rectangular tube; 7. a rectangular bar; 8. a first screw; 9. a first motor; 10. a fixing plate; 11. a guide bar; 12. a movable seat; 13. a strut; 14. a second screw; 15. a second motor; 16. and (7) a hinge.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-2, a sofa with adjustable sitting depth comprises a seat cushion 100, wherein two sides of the seat cushion 100 are movably contacted with sofa armrests 101, the rear sides of the two sofa armrests 101 are fixedly provided with a same sofa backrest 102, and an inclination adjustable height adjusting mechanism is fixedly connected between the two sofa armrests 101;

the inclination adjustable height adjusting mechanism comprises a box-shaped base 2 fixedly connected between two sofa handrails 101, the top of the box-shaped base 2 is provided with an opening, a rectangular sleeve 3 is sleeved in the box-shaped base 2 in a sliding manner, the top of the rectangular sleeve 3 is provided with an inclined structure, a seat plate 1 is rotatably arranged on the front side of the top of the rectangular sleeve 3, the top of the seat plate 1 is movably contacted with the bottom of a cushion 100, an elastic telescopic rubber sleeve 4 is fixedly connected between the bottom of the seat plate 1 and the top of the box-shaped base 2, the rectangular sleeve 3 is positioned in the elastic telescopic rubber sleeve 4, a fixed seat 5 is fixedly connected between the inner wall of the front side and the inner wall of the rear side of the rectangular sleeve 3, a telescopic guide component is fixedly connected between the bottom of the fixed seat 5 and the inner wall of the bottom of the box-shaped base 2, a first screw 8 is rotatably arranged at the bottom of the fixed seat 5, the telescopic guide component is sleeved on the first screw 8 in a threaded manner, and a rectangular groove is formed in the top of the fixed seat 5, a first motor 9 is fixedly installed on the inner wall of the left side of the rectangular groove, the bottom end of an output shaft of the first motor 9 is fixedly connected with the top end of a first screw rod 8, the rear side of the bottom of the fixing seat 5 is fixedly connected with a fixing plate 10, a thread driving assembly is rotatably installed on the inner wall of the rear side of the rectangular sleeve 3, the top end of the thread driving assembly is hinged with the bottom of the seat plate 1, two guide rods 11 are fixedly connected between the rear side of the fixing plate 10 and the inner wall of the rear side of the rectangular sleeve 3, the thread driving assembly is slidably sleeved on the two guide rods 11, a second motor 15 is fixedly installed on the front side of the fixing plate 10, and the output shaft of the second motor 15 is fixedly connected with the front end of the thread driving assembly;

the telescopic guide assembly comprises a rectangular pipe 6 and a rectangular rod 7 which is slidably sleeved in the rectangular pipe 6, the bottom end of the rectangular rod 7 is fixedly connected with the inner wall of the bottom of the box-shaped base 2, the top end of the rectangular pipe 6 is fixedly connected with the bottom of the fixed seat 5, and the rectangular rod 7 is sleeved on the first screw rod 8 in a threaded manner;

the screw thread driving assembly comprises a second screw rod 14 rotatably installed on the inner wall of the rear side of the rectangular sleeve 3, a moving seat 12 is sleeved on the second screw rod 14 in a threaded sleeve mode, the moving seat 12 is slidably sleeved on the two guide rods 11, supporting rods 13 which are obliquely arranged are rotatably installed on two sides of the moving seat 12, the top end of each supporting rod 13 is hinged to the bottom of the seat plate 1, and the front end of each second screw rod 14 is fixedly connected with an output shaft of a second motor 15.

In the utility model, two grooves with openings at the bottom are arranged at the front side of a seat plate 1, a hinge 16 is fixedly connected between the inner wall at the rear side of the groove and the top at the front side of a rectangular sleeve 3, the seat plate 1 is rotatably installed with the rectangular sleeve 3 through the two hinges 16, the top of a fixed seat 5 is provided with an inclined plane, the bottom of the fixed seat 5 is provided with an installation hole communicated with the rectangular groove, a first bearing is fixedly connected between the inner walls at the two sides of the installation hole, the inner side of the inner ring of the first bearing is fixedly connected with the outer side of a first screw 8, the inner wall at the front side of a rectangular tube 6 is provided with a limit hole, the top at the front side of a rectangular rod 7 is fixedly connected with a limit block in sliding connection with the limit hole, the top end of the rectangular rod 7 is provided with a first threaded hole in threaded connection with the first screw 8, the rear side of a movable seat 12 is provided with a second threaded hole and two guide holes, and the second threaded hole is in threaded connection with a second screw 14, the inner wall of each guide hole is connected with the outer side of the corresponding guide rod 11 in a sliding mode, the bottom of one side of each support rod 13 is provided with a round hole, a second bearing is fixedly sleeved in each round hole, the two sides of each movable seat 12 are fixedly connected with pin shafts, and the inner ring of each second bearing is fixedly sleeved with the outer side of the corresponding pin shaft.

The working principle is as follows: when the seat is used, when the seat depth height needs to be adjusted, the first motor 9 is started in the forward direction, the output shaft of the first motor 9 drives the first screw rod 8 to rotate, the first screw rod 8 rotates in the first threaded hole on the rectangular rod 7 and moves upwards, at the moment, the first screw rod 8 drives the fixed seat 5 to move upwards through the first bearing, the fixed seat 5 drives the rectangular sleeve 3 to slide upwards in the box-shaped base 2, the rectangular sleeve 3 drives the seat plate 1 to move upwards, the seat plate 1 stretches the elastic telescopic rubber sleeve 4 upwards, meanwhile, the seat plate 1 drives the seat cushion 100 to move upwards, when the seat cushion 100 needs to be adjusted downwards, the first motor 9 is started in the reverse direction, the movement direction is completely opposite to that of the first motor 9 which is started in the forward direction, at the moment, the seat plate 1 moves downwards and drives the seat cushion 100 to move downwards, after the adjustment is proper, the first motor 9 is stopped, at the moment, under the self thread locking force of the first screw rod 8 and the first threaded hole, the seat cushion 100 after adjustment is fixed, so that the height of the seat cushion 100 can be conveniently adjusted according to actual needs, the sitting depth can be conveniently adjusted by personnel according to actual needs, and the experience feeling is improved;

when the inclination angle of the cushion 100 needs to be adjusted upwards, so as to realize the effect of forward support in office work, during adjustment, the second motor 15 is started in the forward direction to drive the second screw rod 14 to rotate, under the action of a second threaded hole formed on the movable seat 12, the second screw rod 14 can drive the movable seat 12 to slide forwards on the two guide rods 11, the movable seat 12 drives the two support rods 13 to rotate upwards to extrude the seat plate 1, under the extrusion force, the seat plate 1 rotates and inclines forwards through the hinges 16 and drives the cushion 100 to incline upwards, the seat plate 1 stretches the elastic telescopic rubber sleeve 4 to realize upward inclination adjustment, and when the cushion is adjusted downwards, the second motor 15 is started in the reverse direction, which is the same as the movement direction of the forward-started second motor 15, at the moment, the movable seat 12 is changed into backward movement, and pulls the seat plate 1 to rotate downwards through the two support rods 13 to realize downward adjustment, the inclination angle of the cushion 100 can be adjusted according to actual needs, and the use experience is further improved.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A sofa with adjustable sitting depth comprises a seat cushion (100), wherein two sides of the seat cushion (100) are movably contacted with sofa armrests (101), and the rear sides of the two sofa armrests (101) are fixedly provided with a same sofa backrest (102), and is characterized in that an inclined adjustable height adjusting mechanism is fixedly connected between the two sofa armrests (101);

the inclination adjustable height adjusting mechanism comprises a box-shaped base (2) fixedly connected between two sofa handrails (101), the top of the box-shaped base (2) is arranged to be an opening, a rectangular sleeve (3) is sleeved in the box-shaped base (2) in a sliding manner, the top of the rectangular sleeve (3) is arranged to be an inclined structure, a seat plate (1) is rotatably installed at the front side of the top of the rectangular sleeve (3), the top of the seat plate (1) is in movable contact with the bottom of a cushion (100), an elastic telescopic rubber sleeve (4) is fixedly connected between the bottom of the seat plate (1) and the top of the box-shaped base (2), the rectangular sleeve (3) is positioned in the elastic telescopic rubber sleeve (4), a fixed seat (5) is fixedly connected between the inner wall of the front side and the inner wall of the rear side of the rectangular sleeve (3), and a telescopic guide component is fixedly connected between the bottom of the fixed seat (5) and the inner wall of the bottom of the box-shaped base (2), a first screw rod (8) is rotatably arranged at the bottom of the fixed seat (5), a telescopic guide component is sleeved on the first screw rod (8) in a threaded manner, a rectangular groove is formed in the top of the fixed seat (5), a first motor (9) is fixedly arranged on the inner wall of the left side of the rectangular groove, the bottom end of an output shaft of the first motor (9) is fixedly connected with the top end of the first screw rod (8), a fixed plate (10) is fixedly connected with the rear side of the bottom of the fixed seat (5), a threaded driving component is rotatably arranged on the inner wall of the rear side of the rectangular sleeve (3), the top end of the threaded driving component is hinged with the bottom of the seat plate (1), two guide rods (11) are fixedly connected between the rear side of the fixed plate (10) and the inner wall of the rear side of the rectangular sleeve (3), the threaded driving component is slidably sleeved on the two guide rods (11), and a second motor (15) is fixedly arranged on the front side of the fixed plate (10), an output shaft of the second motor (15) is fixedly connected with the front end of the thread driving component.

2. The sofa with the adjustable sitting depth as claimed in claim 1, wherein the telescopic guiding component comprises a rectangular tube (6) and a rectangular rod (7) slidably sleeved in the rectangular tube (6), the bottom end of the rectangular rod (7) is fixedly connected with the inner wall of the bottom of the box-shaped base (2), the top end of the rectangular tube (6) is fixedly connected with the bottom of the fixed seat (5), and the rectangular rod (7) is threadedly sleeved on the first screw rod (8).

3. The sofa with the adjustable sitting depth as claimed in claim 1, wherein the screw driving assembly comprises a second screw (14) rotatably mounted on the inner wall of the rear side of the rectangular sleeve (3), a moving seat (12) is threadedly sleeved on the second screw (14), the moving seat (12) is slidably sleeved on the two guide rods (11), two sides of the moving seat (12) are rotatably mounted with obliquely arranged supporting rods (13), the top ends of the supporting rods (13) are hinged with the bottom of the seat plate (1), and the front end of the second screw (14) is fixedly connected with the output shaft of a second motor (15).

4. The sofa with the adjustable sitting depth according to claim 1, wherein the front side of the seat plate (1) is provided with two grooves with the bottoms provided for the openings, the hinge (16) is fixedly connected between the inner wall of the rear side of the groove and the top of the front side of the rectangular sleeve (3), and the seat plate (1) is rotatably installed with the rectangular sleeve (3) through the two hinges (16).

5. The sofa with the adjustable sitting depth as claimed in claim 1, wherein the top of the fixed seat (5) is provided with an inclined surface, the bottom of the fixed seat (5) is provided with a mounting hole communicated with the rectangular groove, a first bearing is fixedly connected between the inner walls of the two sides of the mounting hole, and the inner side of the inner ring of the first bearing is fixedly connected with the outer side of the first screw rod (8).

6. The sofa with the adjustable sitting depth as claimed in claim 2, wherein the rectangular tube (6) has a limiting hole formed on the inner wall of the front side thereof, the front top of the rectangular rod (7) is fixedly connected with a limiting block slidably connected with the limiting hole, and the top end of the rectangular rod (7) has a first threaded hole threadedly connected with the first threaded rod (8).

7. The sofa with adjustable sitting depth according to claim 3, wherein the rear side of the movable seat (12) is provided with a second threaded hole and two guide holes, the second threaded hole is in threaded connection with the second screw (14), and the inner wall of the guide hole is in sliding connection with the outer side of the corresponding guide rod (11).

8. The sofa according to claim 3, wherein the support rod (13) has a circular hole at the bottom of one side, a second bearing is fixedly sleeved in the circular hole, the movable seat (12) has pins fixedly connected to both sides, and the inner ring of the second bearing is fixedly sleeved on the outer side of the corresponding pin.