CN216220880U

CN216220880U - Electric sofa

Info

Publication number: CN216220880U
Application number: CN202122243007.4U
Authority: CN
Inventors: 谭长明
Original assignee: Dongguan Regal Furniture Manufacturing Co
Current assignee: Dongguan Regal Furniture Manufacturing Co
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-04-08
Anticipated expiration: 2031-09-15

Abstract

The utility model relates to the technical field of furniture, in particular to an electric sofa, which comprises a supporting seat, a rotating shaft assembly, a base, a foot supporting part, a backrest part, a seat part, a foot lifting driving mechanism and a backrest adjusting driving mechanism, wherein the foot lifting driving mechanism comprises a foot lifting driver, a driving connecting rod and two telescopic connecting rod assemblies, the backrest part is provided with a pull frame, the rotating shaft assembly comprises a shaft sleeve, a shaft core piece and a limiting part, the bottom end of the shaft sleeve is fixedly connected with the supporting seat, the shaft core is sleeved in an inner cavity of the shaft sleeve, the bottom end of the shaft core piece is rotatably connected with the inner cavity of the shaft core sleeve, the top end of the shaft core piece is fixedly connected with the bottom of the base, the shaft core piece is provided with a rotating groove, the side wall of the shaft core sleeve is provided with a through hole, and two ends of the limiting part are respectively accommodated in the through hole and the rotating groove. The utility model adopts electric control, the angle of the backrest part and the angle and the height of the foot supporting part are adjustable, the base can rotate relative to the supporting seat, the flexibility is good, the comfort is improved, and the rotating shaft assembly has stable structure and is convenient to disassemble, assemble and maintain.

Description

Electric sofa

Technical Field

The utility model relates to the technical field of furniture, in particular to an electric sofa.

Background

Sofas are capable of providing more comfort to people than wooden seats, and are a piece of furniture that many families require. The existing sofas on the market are various, but most of the sofas are of traditional fixed structures, so that the sofas are single in function, the activities of users sitting on the sofas can be carried out are limited, and the sofas cannot be well matched with the sitting postures and the lying postures of the users, so that the experience feeling is poor, and the comfort level is insufficient. Therefore, the drawbacks are obvious, and a solution is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problems, an object of the present invention is to provide an electric sofa.

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

an electric sofa comprises a supporting seat, a rotating shaft component, a base, a foot supporting part, a backrest part, a seat part, a foot lifting driving mechanism and a backrest adjusting driving mechanism, wherein the base is rotationally connected with the supporting seat through the rotating shaft component, the foot lifting driving mechanism comprises a foot lifting driver, a driving connecting rod and two telescopic connecting rod assemblies, the main body of the foot lifting driver is arranged on the base, the driving connecting rod is rotationally arranged at the front end of the base, the input ends of the two telescopic connecting rod assemblies are connected through the driving connecting rod, the output end of the foot lifting driver is hinged with the driving connecting rod, the output ends of the two telescopic connecting rod assemblies are respectively connected with the foot supporting part, the foot lifting driver drives the two telescopic connecting rod assemblies to stretch through the driving connecting rod, the backrest part is provided with a pull frame, the seat part is arranged at the top of the base, one end of the backrest part is connected with the rear end of the seat part, the utility model discloses a chair backrest adjusting drive mechanism, including the pivot subassembly, the pivot subassembly is connected with the pivot subassembly, the pivot subassembly includes axle sleeve, axle core cover, axle chipware and locating part, the bottom and the supporting seat fixed connection of axle sleeve, the axle core cover inlays the inner chamber of installing in the axle sleeve, the bottom of axle chipware is inserted and is located the inner chamber of axle core cover and rotate with the inner chamber of axle core cover and be connected, the top of axle chipware and the bottom fixed connection of base, the circumference of axle chipware is provided with the rotation groove, the rotation groove is located the axle core cover, the lateral wall of axle core cover is provided with the through-hole, through-hole and rotation groove intercommunication, the one end of locating part is inserted and is located the through-hole, the other end of locating part stretches out to the rotation inslot.

Further, the arc of the rotating groove is 270 °.

Furthermore, the axle core piece is provided with a limiting ring, the top surface of the limiting ring is abutted against the bottom surface of the base, and the bottom surface of the limiting ring is abutted against the top surface of the axle core sleeve or/and the top surface of the axle sleeve.

Furthermore, the bottom surface of the base is provided with a mounting hole, the top end of the shaft core piece is inserted into the mounting hole, the base is detachably connected with a locking piece, and the locking piece is used for locking the shaft core piece on the base.

Further, the supporting seat is a five-claw supporting piece.

Further, seat portion includes seat frame and a plurality of elastic component, the seat frame is connected with the top surface of base, and a plurality of elastic component are parallel and on same horizontal plane, the both ends of elastic component are connected with the both sides limit of seat frame respectively.

Further, the elastic part comprises a plurality of S-shaped elastic sections which are connected in sequence.

Further, the top surface of supporting seat is provided with the screw hole, the lateral wall of axle sleeve is provided with the external screw thread, external screw thread and screw hole threaded connection.

Furthermore, the foot lifting driver and the backrest adjusting driving mechanism are both linear motors or air cylinders.

The utility model has the beneficial effects that: in practical application, a user sits on the seat part, leans against the backrest part, and supports the legs by the foot supporting parts, when the angle of the backrest part needs to be adjusted, the pulling frame is driven to swing by the backrest adjusting and driving mechanism, and the swinging pulling frame can drive the backrest part to rotate relative to the base until the backrest part rotates to a proper angle; when the height and the angle of the foot supporting part need to be adjusted, the foot lifting driver drives the driving connecting rods to rotate, the rotating driving connecting rods can drive the two telescopic connecting rod assemblies to synchronously stretch, and the telescopic connecting rod assemblies can drive the foot supporting part to lift and adjust the angle; the comfort of the user is improved by adjusting the angle of the backrest part and the height and angle of the foot supporting part. In addition, through the structural design of pivot subassembly, the base can rotate relative to the supporting seat steadily, and is nimble good, is favorable to changing user's visual scope. The locating part carries on spacingly to the axle core piece, under guaranteeing that the axle core piece can be stable relative axle core cover pivoted condition, has avoided the axle core piece to separate with the axle core cover easily, has improved the structural stability of pivot subassembly, and the dismouting is convenient with the maintenance. The utility model adopts electric control, the angle of the backrest part and the angle and the height of the foot supporting part are adjustable, the base can rotate relative to the supporting seat, the flexibility is good, the comfort is improved, and the rotating shaft assembly has stable structure and is convenient to disassemble, assemble and maintain.

Drawings

Fig. 1 is a schematic structural diagram of a first usage state of the present invention.

Fig. 2 is a schematic structural diagram of a second usage state of the present invention.

Fig. 3 is a schematic structural diagram of a third usage state of the present invention.

Fig. 4 is a schematic perspective view of the supporting seat of the present invention.

Fig. 5 is a sectional view of the spindle assembly of the present invention.

Fig. 6 is an exploded structural view of the core member, the sleeve, and the core sleeve of the present invention.

Description of reference numerals:

1. a supporting seat; 11. a threaded hole; 2. a rotating shaft assembly; 21. a shaft sleeve; 22. a shaft core sleeve; 23. a shaft core member; 24. a limiting member; 25. a rotating groove; 26. a through hole; 27. a limiting ring; 3. a base; 31. mounting holes; 4. a foot supporting part; 5. a backrest part; 51. pulling the frame; 6. a seat portion; 61. a seat frame; 62. an elastic member; 63. an S-shaped elastic section; 7. a foot lifting driving mechanism; 71. a foot lift driver; 72. a drive link; 73. a telescopic link assembly; 8. a backrest adjustment drive mechanism; 9. and (4) external threads.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1 to 6, the present invention provides an electric sofa, which includes a support base 1, a rotating shaft assembly 2, a base 3, a foot supporting portion 4, a backrest portion 5, a seat portion 6, a foot lifting driving mechanism 7 and a backrest adjusting driving mechanism 8, wherein the base 3 is rotatably connected to the support base 1 via the rotating shaft assembly 2, the foot lifting driving mechanism 7 includes a foot lifting driver 71, a driving link 72 and two telescopic link assemblies 73, a main body of the foot lifting driver 71 is disposed on the base 3, the driving link 72 is rotatably disposed at a front end of the base 3, input ends of the two telescopic link assemblies 73 are connected via the driving link 72, an output end of the foot lifting driver 71 is hinged to the driving link 72, output ends of the two telescopic link assemblies 73 are respectively connected to the foot supporting portion 4, the foot lifting driver 71 drives the two telescopic link assemblies 73 to extend and retract via the driving link 72, the backrest part 5 is provided with a pull frame 51, the seat part 6 is arranged at the top of the base 3, one end of the backrest part 5 is connected with the rear end of the seat part 6, the main body of the backrest adjusting and driving mechanism 8 is arranged on the base 3, the output end of the backrest adjusting and driving mechanism 8 is hinged with the pull frame 51, the rotating shaft assembly 2 comprises a shaft sleeve 21, a shaft core sleeve 22, a shaft core 23 and a limiting piece 24, the bottom end of the shaft sleeve 21 is fixedly connected with the supporting seat 1, the shaft core sleeve 22 is embedded in the inner cavity of the shaft sleeve 21, the bottom end of the shaft core 23 is inserted in the inner cavity of the shaft core sleeve 22 and is rotatably connected with the inner cavity of the shaft core sleeve 22, the top end of the shaft core 23 is fixedly connected with the bottom of the base 3, the circumferential direction of the shaft core 23 is provided with a rotating groove 25, the rotating groove 25 is arranged in the shaft core sleeve 22, the side wall of the shaft core sleeve 22 is provided with a through hole 26, and the through hole 26 is communicated with the rotating groove 25, one end of the limiting member 24 is inserted into the through hole 26, and the other end of the limiting member 24 protrudes into the rotating groove 25.

In practical application, a user sits on the seat part 6, leans against the backrest part 5 with the back, supports the legs with the leg supporting parts 4, and when the angle of the backrest part 5 needs to be adjusted, the backrest adjusting and driving mechanism 8 drives the pull frame 51 to swing, and the swinging pull frame 51 can drive the backrest part 5 to rotate relative to the base 3 until the backrest part 5 rotates to a proper angle; when the height and the angle of the foot supporting part 4 need to be adjusted, the foot lifting driver 71 drives the driving connecting rod 72 to rotate, the rotating driving connecting rod 72 can drive the two telescopic connecting rod assemblies 73 to synchronously extend and retract, and the telescopic connecting rod assemblies 73 can drive the foot supporting part 4 to lift and adjust the angle; the comfort of the user is improved by adjusting the angle of the backrest part 5 and the height and angle of the foot supporting part 4, which is beneficial to making different postures of the user. In addition, through the structural design of pivot subassembly 2, base 3 can rotate relative to supporting seat 1 steadily, and is nimble good, is favorable to changing user's visual scope. The limiting part 24 limits the shaft core member 23, and under the condition that the shaft core member 23 can stably rotate relative to the shaft core sleeve 22, the shaft core member 23 is prevented from being easily separated from the shaft core sleeve 22, the structural stability of the rotating shaft assembly 2 is improved, and the dismounting and the maintenance are convenient. The utility model adopts electric control, the angle of the backrest part 5 and the angle and the height of the foot supporting part 4 are adjustable, the base 3 can rotate relative to the supporting seat 1, the flexibility is good, the comfort is improved, and the rotating shaft component 2 has stable structure and is convenient to disassemble, assemble and maintain.

Specifically, the limiting member 24 is a bolt.

In this embodiment, the arc of the rotation groove 25 is 270 °. The structural design enables the base 3 to rotate 270 degrees relative to the supporting seat 1.

In this embodiment, the shaft core member 23 is provided with a limiting ring 27, a top surface of the limiting ring 27 abuts against a bottom surface of the base 3, and a bottom surface of the limiting ring 27 abuts against a top surface of the shaft core sleeve 22 or/and a top surface of the shaft sleeve 21. In the process of mounting the bottom end of the shaft core member 23 on the shaft core sleeve 22, when the retainer ring 27 abuts against the shaft core sleeve 22, it is proved that the shaft core member 23 is assembled with the shaft core sleeve 22 in place; in the process of mounting the top end of the shaft core piece 23 on the base 3, when the limit ring 27 is abutted against the base 3, the assembly of the shaft core piece 23 and the base 3 is proved to be in place; the limiting ring 27 is used for limiting, so that the two ends of the shaft core piece 23 are prevented from being excessively arranged on the base 3 and the shaft core sleeve 22 respectively, and the assembling stability and the position precision of the shaft core piece 23 are improved.

In this embodiment, the bottom surface of the base 3 is provided with a mounting hole 31, the top end of the shaft core member 23 is inserted into the mounting hole 31, and the base 3 is detachably connected with a locking member for locking the shaft core member 23 on the base 3. When the base 3 is assembled with the shaft core member 23, the top end of the shaft core member 23 is inserted into the mounting hole 31, and then the shaft core member 23 is locked on the base 3 by the locking member, so as to improve the assembling firmness of the base 3 and the shaft core member 23. Preferably, the locking member is a screw.

In this embodiment, the supporting seat 1 is a five-claw supporting member; this structural design, supporting seat 1's simple structure, support stability is good, and light in weight has reduced the use amount of material, and is energy-concerving and environment-protective.

In this embodiment, the seat portion 6 includes a seat frame 61 and a plurality of elastic members 62, the seat frame 61 is connected to the top surface of the base 3, the plurality of elastic members 62 are parallel and on the same horizontal plane, and two ends of the elastic members 62 are respectively connected to two side edges of the seat frame 61. The plurality of elastic members 62 provide elasticity to the user so that the user can ride more comfortably.

In this embodiment, the elastic member 62 includes a plurality of S-shaped elastic sections 63, and the plurality of S-shaped elastic sections 63 are connected in sequence. This structural design's elastic component 62 elasticity is good, long service life, and has increased elastic component 62 and user's area of contact to increased elastic support area of elastic component 62, the comfort is better.

In this embodiment, the top surface of the supporting seat 1 is provided with a threaded hole 11, the outer side wall of the shaft sleeve 21 is provided with an external thread 9, and the external thread 9 is in threaded connection with the threaded hole 11. Through supporting seat 1 and axle sleeve 21 threaded connection for supporting seat 1 and axle sleeve 21's firm in connection, and be convenient for supporting seat 1 and axle sleeve 21's dismouting and maintenance.

In this embodiment, the foot lifting driver 71 and the backrest adjusting driving mechanism 8 are both linear motors or cylinders, and have simple structure and sensitive driving.

All the technical features in the embodiment can be freely combined according to actual needs.

The above embodiments are preferred implementations of the present invention, and the present invention can be implemented in other ways without departing from the spirit of the present invention.

Claims

1. An electronic sofa, its characterized in that: the foot lifting drive mechanism comprises a foot lifting driver, a driving connecting rod and two telescopic connecting rod assemblies, wherein the foot lifting driver is arranged at the front end of the base, the input ends of the two telescopic connecting rod assemblies are connected through the driving connecting rod, the output end of the foot lifting driver is hinged with the driving connecting rod, the output ends of the two telescopic connecting rod assemblies are respectively connected with the foot supporting part, the foot lifting driver drives the two telescopic connecting rod assemblies to stretch through the driving connecting rod, the backrest part is provided with a pull frame, the seat part is arranged at the top of the base, one end of the backrest part is connected with the rear end of the seat part, and the backrest adjusting drive mechanism is arranged at the base, the utility model discloses a backrest adjusting drive mechanism, including the base, the base is provided with the axle core cover, the pivot subassembly is provided with the axle core cover, the axle core piece, the pivot subassembly includes axle sleeve, axle core cover, axle core piece and locating part, the bottom and the supporting seat fixed connection of axle sleeve, the axle core cover inlays the inner chamber of dress in the axle sleeve, the bottom of axle core piece is inserted and is located the inner chamber of axle core cover and rotate with the inner chamber of axle core cover and be connected, the top of axle core piece and the bottom fixed connection of base, the circumference of axle core piece is provided with the rotation groove, the rotation groove is located the axle core cover, the lateral wall of axle core cover is provided with the through-hole, through-hole and rotation groove intercommunication, the through-hole is inserted and is located to the one end of locating part, the other end of locating part stretches to the rotation inslot suddenly.

2. The motorized sofa of claim 1, wherein: the radian of the rotating groove is 270 degrees.

3. The motorized sofa of claim 1, wherein: the shaft core piece is provided with a limiting ring, the top surface of the limiting ring is abutted against the bottom surface of the base, and the bottom surface of the limiting ring is abutted against the top surface of the shaft core sleeve or/and the top surface of the shaft sleeve.

4. The motorized sofa of claim 1, wherein: the bottom surface of the base is provided with a mounting hole, the top end of the shaft core piece is inserted into the mounting hole, the base is detachably connected with a locking piece, and the locking piece is used for locking the shaft core piece on the base.

5. The motorized sofa of claim 1, wherein: the supporting seat is a five-claw supporting piece.

6. The motorized sofa of claim 1, wherein: the seat portion includes seat frame and a plurality of elastic component, the seat frame is connected with the top surface of base, and a plurality of elastic component are parallel and on same horizontal plane, the both ends of elastic component are connected with the both sides limit of seat frame respectively.

7. The motorized sofa of claim 6, wherein: the elastic piece comprises a plurality of sections of S-shaped elastic sections which are connected in sequence.

8. The motorized sofa of claim 1, wherein: the top surface of supporting seat is provided with the screw hole, the lateral wall of axle sleeve is provided with the external screw thread, external screw thread and screw hole threaded connection.

9. The motorized sofa of claim 1, wherein: the foot lifting driver and the backrest adjusting driving mechanism are both linear motors or cylinders.