CN216822468U

CN216822468U - Sofa with adjustable backrest

Info

Publication number: CN216822468U
Application number: CN202122937646.0U
Authority: CN
Inventors: 赵敏
Original assignee: Foshan Jiusen Furniture Co ltd
Current assignee: Foshan Jiusen Furniture Co ltd
Priority date: 2021-11-27
Filing date: 2021-11-27
Publication date: 2022-06-28
Anticipated expiration: 2031-11-27

Abstract

The utility model belongs to the technical field of sofas, and relates to a sofa with an adjustable backrest, which comprises a sofa body, a cushion, armrests and grooves, wherein the cushion is fixedly connected to the upper surface of the sofa body, the armrests are fixedly connected to the upper surface of the sofa body, the two groups of armrests are symmetrically arranged on the upper surface of the sofa body, and the grooves are formed in the upper surface of the sofa body. The sofa with the adjustable backrest has the beneficial effects that the sofa with the adjustable backrest is provided with the double-shaft motor, the first bevel gear and the second bevel gear, when people need to adjust the angle of the backrest body, people only need to control the double-shaft motor to operate through the control switch, so that the second rotating shaft is driven to rotate, under the cooperation of the first bevel gear and the second bevel gear, the first threaded column is driven to rotate, under the cooperation of the first threaded column and the first threaded pipe, the rack is driven to move, and under the cooperation of the rack and the adjusting gear, people can conveniently adjust the angle of the backrest body.

Description

Sofa with adjustable backrest

Technical Field

The utility model belongs to the technical field of sofas, and particularly relates to a sofa with an adjustable backrest.

Background

The sofa is a carrier for people to rest and relax, the sofa is widely used due to the comfort, along with the improvement of living standard and the technical development of people, the sofa is not satisfied with a straight-back sofa any more, but the sofa is required to have the function of adjusting the inclination angle of a backrest like an office chair, the existing sofa is used for realizing the adjustment of the angle of the backrest, the backrest is rotatably installed on a rod, the rod is installed at the top of a sofa base, the adjustment of the angle of the backrest is realized by directly and manually rotating the backrest, but the backrest cannot be fixed in the adjustment mode of the angle of the backrest and can only be pressed against the backrest through the back of a user, the user cannot feel comfortable, meanwhile, the position of the backrest can not be adjusted through the existing sofa, and the following devices are provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

To solve the problems raised in the background art described above. The utility model provides a sofa with an adjustable backrest, which solves the technical problem that the backrest angle is inconvenient to adjust by using the conventional device.

In order to achieve the purpose, the utility model provides the following technical scheme: a sofa with an adjustable backrest comprises a sofa body, a cushion and armrests, and further comprises grooves, wherein the cushion is fixedly connected to the upper surface of the sofa body, the armrests are symmetrically arranged on the upper surface of the sofa body, the grooves are formed in the upper surface of the sofa body, first bearings are fixedly connected to the inner walls of the grooves, first rotating shafts are arranged in the first bearings in a penetrating mode, adjusting gears are fixedly connected to the surfaces of the first rotating shafts, connecting rods are fixedly connected to the surfaces of the first rotating shafts, the other ends of the connecting rods are fixedly connected to the backrest body, the number of the first bearings is two, the other groups of the first bearings are fixedly connected to the inner walls of the grooves, the other ends of the first rotating shafts are arranged in the first bearings in a penetrating mode, kinetic energy bins are formed in the sofa body, the inside of the kinetic energy bin is fixedly connected with a support, the inside of the support is fixedly connected with a double-shaft motor, the other end of an output shaft of the double-shaft motor is fixedly connected with a second rotating shaft, the inside of the sofa body is provided with a first transmission bin, the surface of the first transmission bin is penetrated by a second bearing, the second rotating shaft is penetrated by a second bearing, the other end of the second rotating shaft is fixedly connected with a first bevel gear, the inside of the sofa body is provided with a movable bin, the surface of the movable bin is penetrated by a third bearing, a third rotating shaft is penetrated by the third bearing, one end of the third rotating shaft is fixedly connected with a second bevel gear, the first bevel gear is meshed with the second bevel gear, the other end of the third rotating shaft is fixedly connected with a first threaded column, the other end of the first threaded column is in threaded connection with a first threaded pipe, and the other end of the first threaded pipe is fixedly connected with a rack, the rack is meshed with the adjusting gear.

As a further scheme of the utility model: the side surface of the first threaded pipe is fixedly connected with a first sliding block, a first sliding groove is formed in the inner wall of the movable bin, the first sliding block is connected in the first sliding groove in a sliding mode, and the first sliding block and the first sliding groove are two groups respectively and are symmetrically arranged on two sides of the first threaded pipe.

As a further scheme of the utility model: the backrest comprises a backrest body and is characterized in that a push handle is fixedly connected to the side face of the backrest body, a second transmission bin is formed in the backrest body, a second motor is fixedly connected to the inside of the second transmission bin, a second threaded column is fixedly connected to the upper end of an output shaft of the second motor, a second threaded pipe is connected to the upper end of the second threaded column in a threaded mode, a fixed block is fixedly connected to the upper end of the second threaded pipe, and a back cushion is fixedly connected to the side face of the fixed block.

As a further scheme of the utility model: the side surface of the second threaded pipe is fixedly connected with a second sliding block, a second sliding groove is formed in the inner wall of the second transmission bin, the second sliding block is connected in the second sliding groove in a sliding mode, and the second sliding groove and the second sliding block are respectively provided with two groups and are symmetrically arranged on two sides of the second threaded pipe.

As a further scheme of the utility model: the sofa comprises a sofa body and is characterized in that a telescopic groove is formed in the lower surface of the sofa body, an electric push rod is fixedly connected in the telescopic groove, wheel groups are fixedly connected to the lower end of the electric push rod, the number of the wheel groups is four, the wheel groups are arranged at the lower end of the sofa body in a rectangular mode, anti-slip pads are fixedly connected to the lower surface of the sofa body, and the anti-slip pads are arranged at the lower surface of the sofa body in a rectangular mode.

As a further scheme of the utility model: the sofa comprises a sofa body and is characterized in that an energy storage bin is arranged in the sofa body, a storage battery is fixedly connected in the energy storage bin, a control switch is fixedly connected to the front side of the sofa body, and a microprocessor is arranged in the control switch.

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

1. this sofa with adjustable back, through setting up double-shaft motor, first bevel gear and second bevel gear, when people need adjust the angle of back body, people only need control double-shaft motor function through control switch, thereby it rotates to drive the second pivot, under the cooperation of first bevel gear and second bevel gear, thereby it rotates to drive first screw thread post, under the cooperation of first screw thread post and first screwed pipe, thereby it removes to drive the rack, under the cooperation of rack and adjusting gear, made things convenient for people to adjust the angle of back body, after the angle regulation of back body reaches the appointed angle, people only need through control switch control double-shaft motor stall can, made things convenient for people to adjust the angle of back body.

2. This sofa with adjustable back through setting up second screw thread post, second screwed pipe and second motor, when people need adjust the position of back cushion, people only need control the second motor through control switch and function to under the cooperation of drive second screw thread post and second screwed pipe, thereby drive the fixed block and remove, made things convenient for people to adjust the position of the fixed station that carries the back cushion.

3. This sofa with adjustable back, through setting up the wheel group, electric putter and slipmat, when people need fix the device, people remove the assigned position with the device at first, then operate through control switch control electric putter, thereby drive the wheel group and remove, break away from with ground emergence when the wheel group, while slipmat contacts with ground, people only need through control switch control electric putter stop the function can, thereby guaranteed that the device can keep stable state at the in-process that carries out normal operation.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a front cross-sectional structural schematic view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a top sectional view of the sofa body according to the present invention;

in the figure: 1. a sofa body; 2. a cushion; 3. a handrail; 4. a groove; 5. a first bearing; 6. a first rotating shaft; 7. a connecting rod; 8. a backrest body; 9. an adjusting gear; 10. a kinetic energy bin; 11. a support; 12. a double-shaft motor; 13. a second rotating shaft; 14. a second bearing; 15. a first transmission bin; 16. a first bevel gear; 17. a movable bin; 18. a third bearing; 19. a third rotating shaft; 20. a second bevel gear; 21. a first threaded post; 22. a first threaded pipe; 23. a first slider; 24. a first chute; 25. a rack; 26. a push handle; 27. a second drive bin; 28. a second motor; 29. a second threaded post; 30. a second threaded pipe; 31. a fixed block; 32. a back cushion; 33. a second slider; 34. a second chute; 35. a telescopic groove; 36. an electric push rod; 37. a wheel set; 38. a non-slip mat; 39. a control switch; 40. an energy storage bin; 41. and (4) a storage battery.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: a sofa with an adjustable backrest comprises a sofa body 1, a cushion 2, armrests 3 and grooves 4, wherein the cushion 2 is fixedly connected to the upper surface of the sofa body 1, the armrests 3 are divided into two groups and are symmetrically arranged on the upper surface of the sofa body 1, the grooves 4 are formed in the upper surface of the sofa body 1, the inner walls of the grooves 4 are fixedly connected with first bearings 5, first rotating shafts 6 penetrate through the first bearings 5, the surfaces of the first rotating shafts 6 are fixedly connected with adjusting gears 9, the surfaces of the first rotating shafts 6 are fixedly connected with connecting rods 7, the other ends of the connecting rods 7 are fixedly connected with backrest bodies 8, the first bearings 5 are divided into two groups, the other groups of first bearings 5 are fixedly connected to the inner walls of the grooves 4, the other ends of the first rotating shafts 6 penetrate through the other groups of first bearings 5, kinetic energy bins 10 are formed inside the sofa body 1, the inside of the kinetic energy bin 10 is fixedly connected with a support 11, the inside of the support 11 is fixedly connected with a double-shaft motor 12, the other end of an output shaft of the double-shaft motor 12 is fixedly connected with a second rotating shaft 13, the inside of the sofa body 1 is provided with a first transmission bin 15, the surface of the first transmission bin 15 is provided with a second bearing 14 in a penetrating way, the second rotating shaft 13 is arranged in the second bearing 14 in a penetrating way, the other end of the second rotating shaft 13 is fixedly connected with a first bevel gear 16, the inside of the sofa body 1 is provided with a movable bin 17, the surface of the movable bin 17 is provided with a third bearing 18 in a penetrating way, a third rotating shaft 19 is arranged in the third bearing 18 in a penetrating way, one end of the third rotating shaft 19 is fixedly connected with a second bevel gear 20, the first bevel gear 16 is meshed with the second bevel gear 20, the other end of the third rotating shaft 19 is fixedly connected with a first threaded column 21, the other end of the first threaded column 21 is connected with a first threaded pipe 22, the other end of the first threaded pipe 22 is fixedly connected with a rack 25, the rack 25 is engaged with the adjusting gear 9, and the sofa with adjustable backrest is provided with a double-shaft motor 12, a first bevel gear 16 and a second bevel gear 20, when people need to adjust the angle of the backrest body 8, people only need to control the operation of the double-shaft motor 12 through the control switch 39, so as to drive the second rotating shaft 13 to rotate, under the cooperation of the first bevel gear 16 and the second bevel gear 20, the first threaded column 21 is driven to rotate, under the cooperation of the first threaded stud 21 and the first threaded pipe 22, the rack 25 is thereby moved, under the matching of the rack 25 and the adjusting gear 9, the angle of the backrest body 8 can be conveniently adjusted by people, after the angle of the backrest body 8 is adjusted to a specified angle, people only need to control the double-shaft motor 12 to stop rotating through the control switch 39, and people can adjust the angle of the backrest body 8 conveniently.

Specifically, a first sliding block 23 is fixedly connected to the side surface of the first threaded pipe 22, a first sliding groove 24 is formed in the inner wall of the movable bin 17, the first sliding block 23 is slidably connected to the first sliding groove 24, and the first sliding block 23 and the first sliding groove 24 are respectively provided in two groups and symmetrically arranged on two sides of the first threaded pipe 22.

Specifically, the side surface of the backrest body 8 is fixedly connected with a push handle 26, a second transmission bin 27 is arranged in the backrest body 8, a second motor 28 is fixedly connected in the second transmission bin 27, the upper end of an output shaft of the second motor 28 is fixedly connected with a second threaded column 29, the upper end of the second threaded column 29 is in threaded connection with a second threaded pipe 30, the upper end of the second threaded pipe 30 is fixedly connected with a fixed block 31, the side surface of the fixed block 31 is fixedly connected with a back cushion 32, the sofa with adjustable backrest is provided with a second threaded column 29, a second threaded pipe 30 and a second motor 28, when the position of the headrest 32 needs to be adjusted, the user only needs to control the operation of the second motor 28 through the control switch 39, thereby driving the second threaded column 29 and the second threaded pipe 30 to cooperate with each other, thereby driving the fixing block 31 to move, and facilitating people to adjust the position of the fixing table loaded with the headrest 32.

Specifically, the side surface of the second threaded pipe 30 is fixedly connected with a second sliding block 33, the inner wall of the second transmission bin 27 is provided with a second sliding groove 34, the second sliding block 33 is connected in the second sliding groove 34 in a sliding manner, and the second sliding grooves 34 and the second sliding blocks 33 are respectively provided with two groups and are symmetrically arranged at two sides of the second threaded pipe 30.

Specifically, a telescopic groove 35 is formed in the lower surface of the sofa body 1, an electric push rod 36 is fixedly connected in the telescopic groove 35, wheel groups 37 are fixedly connected to the lower end of the electric push rod 36, the number of the wheel groups 37 is four, and the wheel groups are arranged at the lower end of the sofa body 1 in a rectangular shape, anti-slip pads 38 are fixedly connected to the lower surface of the sofa body 1, the number of the anti-slip pads 38 is four, and the wheel groups 37, the electric push rod 36 and the anti-slip pads 38 are arranged on the lower surface of the sofa body 1, so that when people need to fix the device, people firstly move the device to a specified position, then control the electric push rod 36 through a control switch 39 to operate, thereby driving the wheel groups 37 to move, when the wheel groups 37 are separated from the ground, and meanwhile, the anti-slip pads 38 are in contact with the ground, people only need to control the electric push rod 36 through the control switch 39 to stop operating, thereby ensuring that the device can keep a stable state in the process of normal operation.

Specifically, energy storage bin 40 has been seted up to sofa body 1 inside, the inside fixedly connected with battery 41 in energy storage bin 40, and the positive fixedly connected with control switch 39 of sofa body 1, the inside microprocessor that is provided with of control switch 39.

The working principle of the utility model is as follows:

s1, when the device is used, firstly, the device is moved to a designated position, then the control switch 39 is used for controlling the electric push rod 36 to operate, so that the wheel set 37 is driven to move, when the wheel set 37 is separated from the ground and the non-slip mat 38 is contacted with the ground, people only need to control the electric push rod 36 to stop operating through the control switch 39, and therefore the device is ensured to be kept in a stable state in the normal operation process;

s2, when people need to adjust the angle of the backrest body 8, people only need to control the operation of the double-shaft motor 12 through the control switch 39, so as to drive the second rotating shaft 13 to rotate, the first threaded column 21 is driven to rotate under the matching of the first bevel gear 16 and the second bevel gear 20, the rack 25 is driven to move under the matching of the first threaded column 21 and the first threaded pipe 22, the angle of the backrest body 8 is convenient to adjust by people under the matching of the rack 25 and the adjusting gear 9, and after the angle of the backrest body 8 is adjusted to a specified angle, people only need to control the double-shaft motor 12 to stop rotating through the control switch 39, so that people can adjust the angle of the backrest body 8;

S3, when the position of the headrest 32 needs to be adjusted, the user only needs to control the second motor 28 to operate through the control switch 39, so as to drive the second threaded post 29 and the second threaded pipe 30 to cooperate with each other, so as to drive the fixing block 31 to move, thereby facilitating the adjustment of the position of the fixing table loaded with the headrest 32.

Although embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and not restrictive, and that those skilled in the art may make changes, modifications, substitutions and alterations to the above embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides a sofa with adjustable back, includes sofa body (1), cushion (2) and handrail (3), its characterized in that: the sofa is characterized by further comprising grooves (4), the cushion (2) is fixedly connected to the upper surface of the sofa body (1), the armrests (3) are arranged in two groups and symmetrically arranged on the upper surface of the sofa body (1), the grooves (4) are formed in the upper surface of the sofa body (1), first bearings (5) are fixedly connected to the inner walls of the grooves (4), first rotating shafts (6) penetrate through the first bearings (5), adjusting gears (9) are fixedly connected to the surfaces of the first rotating shafts (6), connecting rods (7) are fixedly connected to the surfaces of the first rotating shafts (6), the other ends of the connecting rods (7) are fixedly connected with backrest bodies (8), the first bearings (5) are arranged in two groups, and the first bearings (5) are fixedly connected to the inner walls of the grooves (4), the other end of the first rotating shaft (6) penetrates through another group of the first bearings (5), a kinetic energy bin (10) is arranged inside the sofa body (1), a support (11) is fixedly connected inside the kinetic energy bin (10), a double-shaft motor (12) is fixedly connected inside the support (11), a second rotating shaft (13) is fixedly connected to the other end of an output shaft of the double-shaft motor (12), a first transmission bin (15) is arranged inside the sofa body (1), a second bearing (14) penetrates through the surface of the first transmission bin (15), the second rotating shaft (13) penetrates through the second bearing (14), a first bevel gear (16) is fixedly connected to the other end of the second rotating shaft (13), a movable bin (17) is arranged inside the sofa body (1), and a third bearing (18) penetrates through the surface of the movable bin (17), a third rotating shaft (19) penetrates through the third bearing (18), a second bevel gear (20) is fixedly connected to one end of the third rotating shaft (19), the first bevel gear (16) is meshed with the second bevel gear (20), a first threaded column (21) is fixedly connected to the other end of the third rotating shaft (19), a first threaded pipe (22) is connected to the other end of the first threaded column (21) in a threaded manner, a rack (25) is fixedly connected to the other end of the first threaded pipe (22), and the rack (25) is meshed with the adjusting gear (9).

2. The sofa of claim 1, wherein the back rest is adjustable by: the side surface of the first threaded pipe (22) is fixedly connected with a first sliding block (23), the inner wall of the movable bin (17) is provided with a first sliding groove (24), the first sliding block (23) is connected in the first sliding groove (24) in a sliding mode, the first sliding block (23) and the first sliding groove (24) are respectively provided with two groups, and the two groups are symmetrically arranged on two sides of the first threaded pipe (22).

3. The sofa of claim 1, wherein the back rest is adjustable by: backrest body (8) side fixedly connected with pushes away handle (26), second transmission storehouse (27) have been seted up to backrest body (8) inside, the inside fixedly connected with second motor (28) in second transmission storehouse (27), the output shaft upper end fixedly connected with second screw thread post (29) of second motor (28), end screw thread connection has second screwed pipe (30) on second screw thread post (29), fixedly connected with fixed block (31) in second screwed pipe (30), fixed block (31) side fixedly connected with back cushion (32).

4. The sofa of claim 3, wherein the back rest is adjustable by: the side surface of the second threaded pipe (30) is fixedly connected with a second sliding block (33), the inner wall of the second transmission bin (27) is provided with a second sliding groove (34), the second sliding block (33) is connected in the second sliding groove (34) in a sliding mode, and the second sliding groove (34) and the second sliding block (33) are respectively provided with two groups and are symmetrically arranged on two sides of the second threaded pipe (30).

5. The sofa of claim 1, wherein the adjustable backrest comprises: flexible groove (35) have been seted up to sofa body (1) lower surface, fixedly connected with electric putter (36) in flexible groove (35), electric putter (36) lower extreme fixedly connected with wheel group (37), wheel group (37) are total four to be the rectangle range at sofa body (1) lower extreme, sofa body (1) lower surface fixedly connected with slipmat (38), slipmat (38) are total four to be the rectangle range at sofa body (1) lower surface.

6. The sofa of claim 1, wherein the adjustable backrest comprises: the sofa is characterized in that an energy storage bin (40) is arranged inside the sofa body (1), a storage battery (41) is fixedly connected inside the energy storage bin (40), a control switch (39) is fixedly connected to the front side of the sofa body (1), and a microprocessor is arranged inside the control switch (39).