CN216702089U

CN216702089U - Sofa with adjustable backrest

Info

Publication number: CN216702089U
Application number: CN202220221634.XU
Authority: CN
Inventors: 毕锦荣; 谢旭宇
Original assignee: Dongguan Nicato Technology Co ltd
Current assignee: Dongguan Nicato Commercial Co ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-06-10
Anticipated expiration: 2032-01-26

Abstract

The application relates to the technical field of furniture, in particular to a sofa with an adjustable backrest. The key points of the technical scheme are as follows: comprises a backrest, a cushion and an adjusting component; the adjusting component is arranged in the cushion, the backrest is fixedly connected with the adjusting component, and the backrest is connected with the cushion in a sliding manner; the adjusting part comprises a screw rod, a sliding table, a mounting seat and a motor, the mounting seat is fixedly connected with the inside of the cushion, the screw rod is rotatably connected with the mounting seat, the output end of the motor is fixedly connected with the screw rod, the sliding table is in threaded fit with the screw rod, and the sliding table is fixedly connected with the backrest. This application has the function that promotes the travelling comfort that the sofa used.

Description

Sofa with adjustable backrest

Technical Field

The application relates to the technical field of furniture, in particular to a sofa with an adjustable backrest.

Background

With the improvement of living standard, people pay more and more attention to living quality, and when purchasing furniture, besides basic functionality, the comfort and the design feeling of the furniture are also main consideration factors of people.

At present, a sofa is placed in a living room of each family, and the sofa is mainly divided into a wooden sofa and a soft package sofa. Because the soft package sofa is internally provided with the spring or the buffer materials such as thick foamed plastic and the like, and the soft cushion is arranged outside, people can lean on the sofa to sit and lie more comfortably, so the soft package sofa is more favored by people.

In view of the above-mentioned related technologies, the conventional sofa backrest is fixedly connected to the seat cushion, and when a person lies on the sofa in half, most of the legs extend out of the sofa, or the legs need to be put on other furniture, so that the comfort of the sofa needs to be improved.

SUMMERY OF THE UTILITY MODEL

In order to improve the comfort of sofa use, this application provides an adjustable sofa of back.

The application provides an adjustable sofa of back adopts following technical scheme:

a sofa with an adjustable backrest comprises a backrest, a cushion and an adjusting component; the adjusting component is arranged in the cushion, the backrest is fixedly connected with the adjusting component, and the backrest is connected with the cushion in a sliding manner; the adjusting part comprises a screw rod, a sliding table, a mounting seat and a motor, the mounting seat is fixedly connected with the inside of the cushion, the screw rod is rotatably connected with the mounting seat, the output end of the motor is fixedly connected with the screw rod, the sliding table is in threaded fit with the screw rod, and the sliding table is fixedly connected with the backrest.

Through adopting above-mentioned technical scheme, the back of this sofa slides with the cushion through adjusting part mutually, when adjusting the back, starter motor, the motor drives the lead screw and rotates, lead screw and slip table screw-thread fit for the slip table horizontal migration on the lead screw, and then the slip table drives back horizontal migration, has realized sofa back's adjustable function, and people can feel the position of adjusting the back according to own experience in the use, thereby promote the travelling comfort that the sofa used.

Preferably, the mounting seat is provided with a slide rail, the sliding table is convexly provided with a sliding part, and the sliding part is matched with the slide rail in a sliding manner.

Through adopting above-mentioned technical scheme, when the slip table horizontal migration on the lead screw, the cooperation that slides of the portion of sliding on the slip table and the slide rail on the mount pad, and then the skew of restriction portion of sliding on the horizontal direction, the restriction slip table rotates on the lead screw simultaneously, has promoted the stability of slip table process of sliding.

Preferably, the back has skeleton, connecting rod and connecting plate, skeleton fixed connection in inside the back, the both ends of connecting rod respectively with the skeleton and connecting plate fixed connection, the connecting plate with slip table fixed connection.

By adopting the technical scheme, the framework has the functions of supporting and shaping the backrest, and the backrest is not easy to collapse when in use; meanwhile, the backrest is fixed with the sliding table in the cushion through the connecting rod and the connecting plate so as to facilitate the movement of the backrest driven by the adjusting assembly.

Preferably, the seat cushion is provided with a yielding groove, the connecting rod penetrates through the yielding groove, and the connecting rod slides with the groove wall of the yielding groove.

By adopting the technical scheme, the connecting rod penetrates through the abdicating groove and is connected with the connecting plate arranged in the cushion, when the adjusting component drives the backrest to move, the connecting rod moves in the abdicating groove, and the moving process of the connecting rod is smooth; here, the connecting rod need not to wear out the back of back and the back of cushion, and the sponge layer of cushion can not block the removal of connecting rod simultaneously.

Preferably, the number of the adjusting assemblies in the combination of each group of backrest and cushion is provided with two groups, the two groups of the adjusting assemblies are respectively arranged on two sides in the cushion, and two ends of the connecting plate are respectively fixedly connected with the two sliding tables.

Through adopting above-mentioned technical scheme, in the combination of every group back and cushion on the sofa, because back and cushion have certain length and width, in order to keep the balance of back removal process, set up two sets of adjusting part in the cushion, but the removal of two sets of adjusting part synchro control backs to two sets of adjusting part mutually support and can alleviate the driving pressure of singly organizing adjusting part.

Preferably, still include handrail and switch, handrail fixed connection in on the cushion, the switch set up in the cushion is close to handrail department, the switch pass through the wire with the motor is connected.

Through adopting above-mentioned technical scheme, for the convenience of the distance of regulation and control back, install the switch near handrail department at the cushion, people sit and can regulate and control the removal of back on the sofa, and the regulation and control process is convenient, laborsaving, has promoted the convenience that the sofa used.

Preferably, the backrest has a leaning side for people to lean against, and the top of the leaning side inclines towards the direction far away from the seat cushion.

Through adopting above-mentioned technical scheme, this design accords with the human engineering principle, and when people leaned on leaning on the side, the shoulder laminated mutually with the upper portion of leaning on the side, and the waist laminated mutually with the lower part of leaning on the side to the comfort level of back has been promoted.

Preferably, the seat cushion further comprises a plurality of supporting legs, and the supporting legs are fixedly connected to the bottom of the seat cushion respectively.

By adopting the technical scheme, the supporting legs are arranged at the bottom of the cushion, so that the height of the cushion can be increased, people can sit down and stand up conveniently, and cushion materials are saved; meanwhile, the cushion is supported by the plurality of supporting legs in a matched mode, so that people can clean the bottom plate at the bottom of the cushion conveniently in daily life without moving the sofa.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the backrest is adjusted, the motor is started, the motor drives the screw rod to rotate, the screw rod is in threaded fit with the sliding table, so that the sliding table can horizontally move on the screw rod, the sliding table drives the backrest to horizontally move, the adjustable function of the sofa backrest is realized, and the using comfort of the sofa is improved;

2. when the sliding table moves horizontally on the screw rod, the sliding part on the sliding table is in sliding fit with the sliding rail on the mounting seat, the sliding rail limits the deviation of the sliding part in the moving process, and simultaneously limits the sliding table to rotate on the screw rod, so that the stability of the sliding process of the sliding table is improved;

3. the design that leans on of backrest inclines, when people lean on leaning on the side, the shoulder is laminated with the upper portion of leaning on the side mutually, and the waist is laminated with the lower part of leaning on the side mutually to the comfort level of backrest has been promoted.

Drawings

Fig. 1 is a schematic overall structure diagram of the sofa of the present application.

Fig. 2 is a partial sectional view of the sofa of the present application.

Fig. 3 is a schematic view of the structure of the adjustment assembly of the present application.

Description of reference numerals: 1. a backrest; 11. a framework; 12. a connecting rod; 13. a connecting plate; 14. a reclining side; 2. a cushion; 21. a yielding groove; 22. a mounting cavity; 3. an adjustment assembly; 31. a screw rod; 32. a sliding table; 321. a sliding part; 3211. a chute; 33. a mounting seat; 331. a slide rail; 34. a motor; 4. a handrail; 5. a switch; 6. and (5) supporting legs.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a sofa with an adjustable backrest. Referring to fig. 1 and 2, the sofa includes a backrest 1, a seat cushion 2, and an adjustment assembly 3. Adjusting part 3 installs inside cushion 2 to back 1 is connected with adjusting part 3, and back 1 slides with cushion 2 mutually through adjusting part 3, has realized sofa back 1's adjustable function, and people can feel the position of adjusting back 1 according to the experience that oneself used, thereby promotes the travelling comfort that the sofa used.

In this embodiment, the sofa is formed by splicing a combination of three groups of backrest 1 and cushion 2, the armrests 4 are installed on two sides of the sofa in the length direction, the armrests 4 are fixedly connected with the edges of the cushion 2, and the comfort of the sofa is further improved by the arrangement of the armrests 4. Here, the following description is developed in a normal use state of the sofa.

Referring to fig. 2, the backrest 1 has a frame 11, a connecting rod 12, and a connecting plate 13. Specifically, the framework 11 is in a shape of a rectangular parallelepiped plate, the framework 11 is fixedly installed inside the backrest 1, and a sponge layer is wrapped around the framework 11; one end fixed connection of connecting rod 12 is in skeleton 11 bottom to be located skeleton 11 middle part, the other end of connecting rod 12 is fixed mutually with the middle part of connecting plate 13, and connecting plate 13 passes through screw fixed connection on adjusting part 3. The framework 11 has the functions of supporting and shaping the backrest 1, so that the backrest 1 is not easy to collapse when people lean on the backrest 1; meanwhile, the backrest 1 is fixed with the adjusting component 3 in the seat cushion 2 through the connecting rod 12 and the connecting plate 13, so that the adjusting component 3 drives the backrest 1 to move.

Meanwhile, the upper layer of the cushion 2 is provided with a yielding groove 21, the yielding groove 21 is positioned in the middle of the cushion 2 in the length direction, and the connecting rod 12 can penetrate through the yielding groove 21 and is connected with a connecting plate 13 fixed on the adjusting component 3; when the adjusting component 3 drives the backrest 1 to horizontally move along the width direction of the seat cushion 2, the connecting rod 12 moves in the abdicating groove 21, and the moving process of the connecting rod 12 is smooth.

Referring to fig. 2 and 3, an installation cavity 22 is formed in the seat cushion 2, and the installation cavity 22 is square. The adjusting assembly 3 comprises a screw rod 31, a sliding table 32, a mounting seat 33 and a motor 34, wherein the mounting seat 33 is fixedly mounted on the cavity wall of the mounting cavity 22 through screws; the screw rod 31 is provided with threads, and two ends of the screw rod 31 are respectively rotatably connected with the mounting seat 33; the motor 34 is fixed at one end of the mounting seat 33 through a screw, and the output end of the motor 34 is fixedly connected with one end of the screw rod 31; the sliding table 32 is in threaded connection with the screw rod 31, and the connecting plate 13 is fixedly connected with the sliding table 32 through screws. Therefore, when people need to adjust the backrest 1, the motor 34 is started, the motor 34 drives the screw rod 31 to rotate, the screw rod 31 is in threaded fit with the sliding table 32, the sliding table 32 moves horizontally on the screw rod 31, and then the sliding table 32 drives the backrest 1 to move horizontally.

In order to improve the stability of the sliding process of the sliding table 32, a sliding rail 331 is convexly arranged on one side of the mounting seat 33 close to the screw rod 31 along the length direction, a sliding part 321 is convexly arranged on one side of the sliding table 32 close to the sliding rail 331 along the length direction, a sliding groove 3211 is formed in the sliding part 321 along the length direction, and the shape of the sliding groove 3211 is matched with the outline of the outer edge of the sliding rail 331. When the sliding table 32 moves horizontally on the screw rod 31, the sliding rail 331 is in sliding fit with the inner wall of the sliding groove 3211, so as to limit the horizontal deviation of the sliding portion 321, and simultaneously limit the rotation of the sliding table 32 on the screw rod 31.

In the present embodiment, each set of the backrest 1 and the seat cushion 2 is provided with two sets of the adjustment assemblies 3. Two sets of adjusting part 3 are fixed in the installation cavity 22 respectively and follow 2 ascending both sides of length direction of cushion, and the moving direction of two slip tables 32 in two sets of adjusting part 3 is the width direction of cushion 2, and the both ends of connecting plate 13 respectively with two slip tables 32 fixed connection to but make the motor 34 in two sets of adjusting part 3 synchronous drive lead screw 31 rotate, and then drive two slip tables 32 and drive back 1 and remove.

Referring back to fig. 1, in order to adjust the distance of the backrest 1, a switch 5 is installed at the position of the seat cushion 2 close to the armrest 4, the switch 5 is connected with the motor 34 through a lead, and a forward key, a pause key and a backward key are arranged on the switch 5. People can regulate and control the movement of the backrest 1 through the switch 5 when sitting on the sofa, the regulation and control process is convenient and labor-saving, and the convenience of using the sofa is improved; meanwhile, the switch 5 is positioned between the cushion 2 and the armrests 4 and can be shielded by the armrests 4, so that the overall appearance of the sofa is not affected.

In the present embodiment, one side of the backrest 1 for people to lean against is defined as a leaning side 14, the top of the leaning side 14 inclines towards the direction far away from the seat cushion 2, and the inclination amplitude of the leaning side 14 is matched with the back line of the human body; when a person leans on the backrest 1, the shoulders are fitted to the upper part of the leaning side 14, and the waist is fitted to the lower part of the leaning side 14, thereby improving the comfort of the backrest 1.

In order to increase the height of the seat cushion 2, the sofa further comprises a plurality of support legs 6, in the embodiment, the number of the support legs 6 is four, the four support legs 6 are respectively fixedly installed at the bottom of the seat cushion 2 through screws, and the four support legs 6 are respectively positioned at four corners close to the seat cushion 2. Compared with the method that the sponge is directly filled into the cushion 2, the height of the cushion 2 is increased by installing the supporting legs 6, so that sponge materials can be saved, and the production cost is properly reduced; meanwhile, people can conveniently clean the floor at the bottom of the cushion 2 in daily life without moving the sofa.

The implementation principle of the sofa with the adjustable backrest in the embodiment of the application is as follows: the sofa drives the backrest 1 and the cushion 2 to slide through the adjusting component 3, and the backrest 1 can be adjusted. When the backrest 1 needs to be adjusted, a user can press the switch 5, the motor 34 is started through the switch 5, the motor 34 drives the screw rod 31 to rotate, the screw rod 31 is in threaded fit with the sliding table 32, the sliding table 32 horizontally moves on the screw rod 31, and then the sliding table 32 drives the backrest 1 to horizontally move along the width direction of the seat cushion 2; when the backrest 1 moves to a position where a human body feels comfortable, the switch 5 is pressed, and then the movement of the backrest 1 can be stopped, so that the adjustment of the sofa backrest 1 is completed. People can adjust the position of the backrest 1 according to own experience in the using process, and the adjusting process is simple, convenient and quick, so that the comfort of the sofa is improved.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A sofa with an adjustable backrest is characterized in that: comprises a backrest (1), a cushion (2) and an adjusting component (3);

the adjusting component (3) is arranged inside the cushion (2), the backrest (1) is fixedly connected with the adjusting component (3), and the backrest (1) is connected with the cushion (2) in a sliding manner;

adjusting part (3) include lead screw (31), slip table (32), mount pad (33) and motor (34), mount pad (33) fixed connection in cushion (2), lead screw (31) with mount pad (33) rotate and are connected, the output of motor (34) with lead screw (31) fixed connection, slip table (32) with lead screw (31) screw-thread fit, slip table (32) with back (1) fixed connection.

2. The sofa of claim 1, wherein the back rest is adjustable: be provided with slide rail (331) on mount pad (33), slip table (32) epirelief is equipped with portion of sliding (321), portion of sliding (321) with slide rail (331) cooperation of sliding.

3. The sofa of claim 1, wherein the back rest is adjustable: back (1) has skeleton (11), connecting rod (12) and connecting plate (13), skeleton (11) fixed connection in inside back (1), the both ends of connecting rod (12) respectively with skeleton (11) and connecting plate (13) fixed connection, connecting plate (13) with slip table (32) fixed connection.

4. The sofa of claim 3, wherein the backrest is adjustable: offer on cushion (2) and let groove (21), connecting rod (12) run through let groove (21), and connecting rod (12) with the cell wall of letting groove (21) slides mutually.

5. The sofa of claim 3, wherein the backrest is adjustable: the quantity of adjusting part (3) in every group back (1) and cushion (2) combination is provided with two sets ofly, two sets of adjusting part (3) set up respectively in both sides in cushion (2), the both ends of connecting plate (13) respectively with two slip table (32) fixed connection.

6. The sofa of claim 1, wherein the back rest is adjustable: still include handrail (4) and switch (5), handrail (4) fixed connection in on cushion (2), switch (5) set up in cushion (2) are close to handrail (4) department, switch (5) through the wire with motor (34) are connected.

7. The sofa according to claim 1, wherein the back rest is adjustable by: the backrest (1) is provided with a leaning side (14), the leaning side (14) is used for people to lean against, and the top of the leaning side (14) inclines towards the direction far away from the seat cushion (2).

8. The sofa of claim 1, wherein the back rest is adjustable: the seat cushion is characterized by further comprising a plurality of supporting legs (6), wherein the supporting legs (6) are fixedly connected to the bottom of the seat cushion (2) respectively.