CN115413907A - Zero gravity sofa - Google Patents
Zero gravity sofa Download PDFInfo
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- CN115413907A CN115413907A CN202211148021.9A CN202211148021A CN115413907A CN 115413907 A CN115413907 A CN 115413907A CN 202211148021 A CN202211148021 A CN 202211148021A CN 115413907 A CN115413907 A CN 115413907A
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- sofa
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C17/00—Sofas; Couches; Beds
- A47C17/86—Parts or details for beds, sofas or couches only not fully covered in a single one of the sub-groups A47C17/02, A47C17/04, A47C17/38, A47C17/52, A47C17/64, or A47C17/84; Drawers in or under beds
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C17/00—Sofas; Couches; Beds
- A47C17/04—Seating furniture, e.g. sofas, couches, settees, or the like, with movable parts changeable to beds; Chair beds
Abstract
The invention relates to a zero-gravity sofa, which comprises a wall-leaning plate, a handrail, sofa feet, a seat plate, a backrest plate, a footrest and a footrest rod, wherein the seat plate is rotatably arranged on the upper end surface of the sofa feet through a fourth rotating shaft; the zero-gravity sofa disclosed by the invention can be manually switched between a sitting posture state and a zero-gravity state, is simple in structure, convenient to maintain, free of power supply driving, wide in application range and capable of being placed against a wall.
Description
Technical Field
The invention relates to the technical field of sofas, in particular to a zero-gravity sofa.
Background
With the rapid development of the smart home industry, the traditional sofa with single function can not meet the requirements of people. In order to adjust reasonable sitting posture and relieve discomfort caused by long-time sitting, the zero-gravity sofa is developed. The zero gravity state refers to the state that the body pressure is completely released to enable the body to be in the most comfortable state, and the zero gravity sofa is beneficial to relieving the oppressive feeling to the body when the seat is used, relieving the health problem of people and profoundly influencing the life quality and the working quality of people.
The invention provides a sofa stretching device capable of providing a zero-gravity sitting feeling, which is provided by the Chinese invention patent with the publication number of CN111602993A, and comprises an underframe, a backrest component, a seat frame, a leg supporting mechanism, a linkage mechanism and a driving mechanism; the backrest component is rotatably connected to the underframe, and a rotating point of the backrest component relative to the seat frame is positioned at one end of the backrest component; one end of the seat frame is rotationally connected with the backrest component, the other end of the seat frame is rotationally connected with the leg supporting mechanism, and the seat frames are rotationally connected with the bottom frame through the linkage mechanism; the device realizes the rotation of the seat frame and the backrest component at a larger angle relative to the ground, so that a user can be completely in a zero-gravity state when sitting on the sofa using the stretching device, and the user can further relax and have a rest.
The above-described sofa extension apparatus providing a zero-gravity seating sensation still has some drawbacks:
(1) When the sofa is switched from a sitting posture state to a zero-gravity state, the end part of the backrest support rod moves backwards, so that the sofa cannot lean against a wall when being placed, and the occupied space is large;
(2) When the sofa is switched between states, the state switching can be realized only by additionally providing a power supply for the driving part, and the application range is limited;
(3) The backrest assembly, the leg supporting mechanism and the linkage mechanism of the device all adopt a connecting rod structure, the structure is complex, and the maintenance is inconvenient.
Therefore, the invention provides a zero gravity sofa to solve the above problems.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a zero-gravity sofa, which solves the problems that when the sofa is switched from a sitting posture state to a zero-gravity state, a backrest moves backwards, and the sofa cannot be placed against a wall, can realize state switching without a power supply, simplifies the structure and is convenient to maintain.
In order to solve the technical problems, the technical scheme of the invention is as follows: the zero-gravity sofa has the innovation points that: comprises that
A wall-against vertical plate;
the two handrails are respectively connected to two sides of the wall-leaning vertical plate;
the two armrests are matched with the wall-leaning vertical plate to form a first groove for the sofa feet to horizontally move in or out, and the sofa feet are movably arranged in the first groove;
the seat board is rotatably arranged on the upper end surfaces of the sofa legs through a fourth rotating shaft;
the lower side of the backrest plate is rotatably connected with one side, close to the wall-leaning vertical plate, of the seat plate through a first rotating shaft, the upper side of the backrest plate is rotatably connected with the wall-leaning vertical plate through a second rotating shaft, the backrest plate is connected with the second rotating shaft, a first sliding groove for the second rotating shaft to rotate and move up and down is formed in the wall-leaning vertical plate, and the second rotating shaft is arranged in the first sliding groove;
the footrest is arranged on one side, far away from the wall-leaning vertical plate, of the sofa feet, and the upper side of the footrest is rotatably connected with the seat plate through a third rotating shaft;
put foot pole, put foot pole setting in one side that the footrest is close to the sofa foot, put one side of foot pole and rotate through fifth pivot and sofa foot and be connected, put the opposite side of foot pole and pass through slider and footrest removal connection, the slider rotates through sixth pivot and foot pole to be connected, it has the second spout that holds the slider and reciprocate to open on the footrest, the slider removes and sets up in the second spout.
Furthermore, the seat plate is composed of a flat plate part and a semi-cylindrical part, the axis in the semi-cylindrical part is horizontally arranged on the lower end face of the flat plate part, the arc-shaped side face of the semi-cylindrical part is arranged downwards, fan-shaped limiting protrusions are horizontally and outwards extended on one side, close to the wall vertical plate, of the end faces on the two sides of the semi-cylindrical part along the axial direction, a first through hole for a fourth rotating shaft to pass through is formed in the central axis of the semi-cylindrical part, and the fourth rotating shaft is rotatably arranged in the first through hole;
open on the sofa foot up end and have and hold semi-cylindrical portion and supply semi-cylindrical portion pivoted second recess, open on the both sides face of second recess and have and hold fan-shaped spacing arch and supply fan-shaped spacing arch along with semi-cylindrical portion pivoted angle spacing groove, the flat board portion sets up in sofa foot top, semi-cylindrical portion sets up in the second recess, fan-shaped spacing arch sets up at angle spacing inslot, the both sides of fourth pivot are installed on the sofa foot through the fourth mount pad.
Furthermore, a guide rail is arranged below the sofa feet, one side of the guide rail is connected with the wall-leaning vertical plate, a guide groove is formed in the upper end face of the guide rail, a guide block matched with the guide groove is arranged on the lower end face of the sofa feet, and the guide block is installed in the guide groove and moves along the guide groove along with the movement of the sofa feet;
the two sides of the guide rail are provided with idler wheels, and the idler wheels are rotatably arranged on the sofa feet and roll along with the movement of the sofa feet.
Further, fifth pivot axis is installed at sofa foot middle part horizontally, the third recess that supplies the footrest to rotate to get into or shift out is opened in the cooperation of sofa foot and footrest, the third recess is located fifth pivot below, the footrest rotates and gets into in the third recess, makes the side laminating of footrest and sofa foot.
Furthermore, a square through groove is formed in the middle of the footrest, a square-shaped structure is formed, the two footrest rods are arranged on two sides of the footrest in parallel, each footrest rod is connected with one sliding block, the two second sliding grooves correspond to the two sliding blocks one by one, and the sliding blocks are arranged in the corresponding second sliding grooves;
two connect through the push rod between the slider, the push rod level sets up in square logical inslot, all switch on through the intercommunication groove between the second spout of square logical groove and both sides, the both sides of push rod are passed the intercommunication groove respectively and are connected with the slider in getting into the second spout of homonymy, the push rod removes and drives the slider synchronous motion in corresponding second spout of both sides along the intercommunication groove.
Furthermore, a back board supporting part is arranged below the first sliding groove on the wall-leaning board, and the upper end face of the back board supporting part inclines towards the direction close to the seat board from top to bottom.
The invention has the advantages that:
(1) The zero-gravity sofa realizes the switching between the sitting posture state and the zero-gravity state through the mutual matching of the wall-leaning vertical plate, the handrail, the sofa feet, the seat plate, the back rest plate, the foot rest plate and the foot rest rod, has simple structure and convenient maintenance, and the back rest plate rotates and moves downwards without moving backwards when the sitting posture state is switched to the zero-gravity state, so that the zero-gravity sofa can be placed by leaning on the wall.
(2) According to the sofa, the semi-cylindrical body part is arranged, the fan-shaped limiting bulges are arranged on two sides of the semi-cylindrical body part, the seat plate is limited by the semi-cylindrical body part in the rotating process of the seat plate, the axial shaking of the seat plate is avoided, the rotating angle of the seat plate is limited by the fan-shaped limiting bulges, when the seat plate rotates to the angle required by the zero gravity state of the sofa, the side faces of the fan-shaped limiting bulges are attached to the side faces of the angle limiting grooves, the sofa legs support the seat plate, and the structural stability of the sofa in the zero gravity state is improved.
(3) According to the invention, the rollers are arranged, and the rollers roll on the ground along with the movement of the sofa feet, so that the movement of the sofa feet is more convenient, and the movement direction is guided by the matching of the guide blocks and the guide rails in the movement process of the sofa feet.
(4) According to the zero-gravity sofa, the third groove is formed, when the zero-gravity sofa is restored to the sitting posture state, the footrest rod rotates to enter the third groove, the footrest is attached to the side faces of the sofa feet, and the zero-gravity sofa is more stable in structure.
(5) According to the invention, the footrest is arranged to be of a reversed-square-shaped structure, the two sliding blocks are connected through the push rod, and the push rod is arranged in the square through groove in the middle of the footrest, so that when people manually switch the state of the sofa, the state change can be completed by applying force to the push rod, and the sofa is more convenient to operate.
(6) According to the invention, the backrest plate supporting part is arranged below the first sliding groove on the wall-leaning vertical plate, and when the sofa is in a zero-gravity state, the backrest plate is supported by the backrest plate supporting part, so that the structural stability of the sofa in the zero-gravity state is improved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of a zero-gravity sofa according to the present invention in a sitting position.
Fig. 2 is a partial sectional view of the zero-gravity sofa of the present invention in a sitting position.
Fig. 3 is a schematic view of the zero-gravity sofa of the present invention in a zero-gravity state.
Fig. 4 is a partial cross-sectional view of the zero-gravity sofa of the present invention in a zero-gravity state.
Fig. 5 is a schematic structural view of the backrest mechanism of the present invention.
Fig. 6 is a schematic structural view of the armrest of the present invention.
Fig. 7 is a schematic structural view of the sofa leg of the present invention.
Fig. 8 is a schematic view showing the structure of the seat plate of the present invention.
Fig. 9 is a schematic structural view of the footrest bar of the present invention.
Fig. 10 is a schematic view of the structure of the footrest of the present invention.
FIG. 11 isbase:Sub>A cross-sectional view taken along the line A-A of the present invention.
Detailed Description
The following examples are presented to enable one of ordinary skill in the art to more fully understand the present invention and are not intended to limit the scope of the embodiments described herein.
As shown in fig. 1-11, the zero gravity sofa provided by the invention comprises a wall standing plate 1, a handrail 2, sofa feet 3, a seat plate 4, a backrest plate 5, a footrest 6 and a footrest rod 7.
The two armrests 2 are respectively connected to two sides of the wall-leaning vertical plate 1, the two armrests 2 are matched with the wall-leaning vertical plate 1 to form a first groove for the sofa feet 3 to move horizontally in or out, the sofa feet 3 are provided with two sofa feet 3, the two sofa feet 3 can movably move and are arranged in the first groove side by side, a guide rail 8 is arranged below each sofa foot 3, one side of each guide rail 8 is connected with the wall-leaning vertical plate 1, a pair of guide grooves are formed in the upper end face of each guide rail 8, a pair of guide blocks matched with the guide grooves of the corresponding guide rails 8 are arranged on the lower end face of each sofa foot 3, the guide blocks are installed in the corresponding guide grooves and move along the guide grooves along with the movement of the sofa feet 3, rollers 9 are arranged on two sides of each guide rail 8, the rollers 9 are rotatably installed on one side, far away from the wall-leaning vertical plate 1, of the sofa feet 3 and roll on the ground along with the movement of the sofa feet 3, so that the sofa feet can move more conveniently, and in the moving process of the sofa feet, the moving direction can be guided by the matching of the guide blocks and the guide rails.
The bedplate 4 rotates through two fourth pivot 14 and installs on sofa foot 3 up end, bedplate 4 comprises a flat plate portion 401 and two coaxial semicylinder portion 402, two semicylinder portion 402 axis level sets up respectively on both sides under flat plate portion 401 terminal surface, the arc side of semicylinder portion 402 sets up down, it has fan-shaped spacing arch 403 all to extend along the axial direction level to one side that is close to by wall riser 1 on the both sides terminal surface of each semicylinder portion 402, the axis of fan-shaped spacing arch 403 and the axis of semicylinder portion are in same straight line, each semicylinder portion 402 axis department is opened has the first through-hole 404 that supplies fourth pivot 14 to pass, two fourth pivot 14 rotate respectively and set up in the first through-hole 404 of two semicylinder portions 402.
As shown in fig. 7, a second groove 301 for accommodating the semi-cylindrical portion 402 and allowing the semi-cylindrical portion 402 to rotate is formed on the upper end surface of the sofa leg 3, angle limiting grooves 302 for accommodating the fan-shaped limiting protrusions 403 and allowing the fan-shaped limiting protrusions 403 to rotate with the semi-cylindrical portion 402 are formed on two side surfaces of the second groove 301, the flat plate portion 401 is disposed above the sofa leg 3, the semi-cylindrical portion 402 is rotatably disposed in the second groove 301, the fan-shaped limiting protrusions 403 are disposed in the angle limiting grooves 302, and two sides of each fourth rotating shaft 14 are mounted on the sofa leg 3 through the fourth mounting seat 303; in the bedplate 4 rotation process, it is spacing to bedplate 4 by semi-cylindrical portion 402, avoid bedplate 4 axial to rock, through set up fan-shaped spacing arch 403 in semi-cylindrical portion 402 both sides, and set up fan-shaped spacing arch 403 in angle spacing groove 302, bedplate 4 is when rotating, fan-shaped spacing arch 403 restriction bedplate 4's turned angle, when bedplate 4 rotates the angle that requires to the sofa zero gravity state, the side of fan-shaped spacing arch 403 and the side laminating of angle spacing groove 302, realize that sofa foot 3 supports bedplate 4, promote the stability of sofa structure under zero gravity state.
The lower side of the backrest plate 5 is rotatably connected with one side, close to the wall standing plate 1, of the seat plate 4 through a first rotating shaft 11, the upper side of the backrest plate 5 is rotatably connected with the wall standing plate 1 through a second rotating shaft 12, the backrest plate 5 is connected with a second rotating shaft 12, as shown in fig. 5, a first sliding groove 101, which allows the second rotating shaft 12 to rotate and move up and down, is formed in the wall standing plate 1, the second rotating shaft 12 is arranged in the first sliding groove 101, a backrest plate supporting portion 102 is arranged below the first sliding groove 101 in the wall standing plate 1, the upper end face of the backrest plate supporting portion 102 inclines towards the direction close to the seat plate 4 from top to bottom, when the sofa is in a zero gravity state, the second rotating shaft 12 is located at the bottom end of the first sliding groove 101, the lower end face of the backrest plate 5 is attached to the upper end face of the backrest plate supporting portion 102, the backrest plate 5 is supported by the backrest plate supporting portion 102, and the stability of the structure of the sofa in the zero gravity state is improved.
The footrest 6 is arranged on one side of the sofa feet 3 far away from the wall standing plate 1, the upside of the footrest 6 is rotationally connected with the seat plate 4 through a third rotating shaft 13, as shown in fig. 10, the middle part of the footrest 6 is provided with a square through groove 601, and a structure shaped like a Chinese character 'hui' is formed.
The footrest rods 7 are arranged on one side, close to the sofa feet 3, of the footrest 6, the footrest rods 7 are provided with two footrest rods and are arranged on two sides of the footrest 6 in parallel, as shown in fig. 9, each footrest rod 7 is composed of two footrest rods arranged in parallel, one side of each footrest rod 7 is rotatably connected with the sofa feet 3 through a fifth rotating shaft 15, the central axis of the fifth rotating shaft 15 is horizontally installed in the middle of the sofa feet 3, the other sides of the two footrest rods 7 are connected through a sixth rotating shaft 16, a sliding block 701 is rotatably connected to the sixth rotating shaft 16 of each footrest rod 7, the sliding block 701 is of a T-shaped structure, as shown in fig. 11, two second sliding grooves 602 which accommodate the sliding blocks 701 and move up and down are formed in the two sides of the footrest 6, the sliding blocks 701 are movably arranged in the second sliding grooves 602, when the sliding blocks 701 move to the top ends of the second sliding grooves 602, the included angles between the footrest rods 7 and the footrest 6 are smaller than 90 degrees, the footrest rods 7 can effectively overcome the pressure of the footrest rods 7, the footrest 6 can be prevented from being rotated under the action of gravity, and the footrest 6 can be stably supported by the gravity.
The two sliding blocks 701 are connected through a push rod 702, the push rod 702 is horizontally arranged in the square through groove 601, the square through groove 601 is communicated with the second sliding grooves 602 on the two sides through a communicating groove 603, the two sides of the push rod 702 respectively penetrate through the communicating groove 603 to enter the second sliding grooves 602 on the same side to be connected with the sliding blocks 701, and the push rod 702 moves along the communicating groove 603 and drives the sliding blocks 701 on the two sides to synchronously move in the corresponding second sliding grooves 602. Through setting up push rod 702 to set up push rod 702 in square logical groove 601, when making people manually carry out the state switch to the sofa, through the application of force to push rod 702, can accomplish the state change convenient operation.
The sofa feet 3 and the footrest 6 are matched with a third groove 304 for the footrest rod 7 to rotate to enter or move out, the third groove 304 is positioned below the fifth rotating shaft 15, and the footrest rod 7 rotates to enter the third groove 304, so that the footrest 7 is attached to the side surface of the sofa feet 3.
When the zero-gravity sofa is in a sitting posture state, as shown in the figures 1-2, in order to accord with human engineering, a proper seat plate inclination angle is required, and an included angle between the upper end surface of the seat plate and a backrest plate is also required, wherein the seat plate inclination angle is the included angle between the upper end surface of the seat plate of the sofa and the horizontal plane of the sofa, when the seat plate inclination angle is inwards inclined and the included angle is 4-7 degrees, and the included angle between the upper end surface of the seat plate and the backrest plate is 107 degrees, the sitting posture of the sofa is comfortable when the sofa is used, and the tension and pressure on muscles, bones, tendons and nerves can be better reduced when people sit on the sofa; preferably, the footrest is vertically arranged, the inclination angle of the seat board is 5 degrees, the included angle between the seat board and the footrest is 85 degrees, and the included angle between the back board and the seat board is 107 degrees.
When the zero-gravity sofa is in a zero-gravity state, as shown in fig. 3-4, the zero-gravity state requires that the included angle between the upper body trunk and the thighs of the human body is 128 degrees, and the movable range is 128 degrees (+ -7 degrees); on the basis that the included angle between the thigh and the shank is 133 degrees and the movable range is 133 degrees (+ -8 degrees), preferably, when the sofa is in a zero-gravity state, the included angle between the backrest plate and the horizontal plane of the sofa is 34 degrees, the included angle between the backrest plate and the seat plate is 128 degrees, and the included angle between the footrest plate and the seat plate is 133 degrees.
When the zero-gravity sofa is switched from a sitting posture state to a zero-gravity state, a force is manually applied to a push rod 702 in a footrest, the footrest 6 is opened outwards, meanwhile, a slide block 701 in the footrest 6 moves upwards and outwards in a second chute 602, the slide block 701 drives a footrest rod 7 to rotate upwards, the footrest 7 drives sofa feet 3 to move outwards, a seat plate 4 is pushed by the footrest 6 to rotate inwards and move outwards along with the sofa feet 3, the seat plate 4 drives a back plate 5 to rotate outwards, the back plate 5 drives a second rotating shaft 12 to move downwards until the push rod drives the slide block to move to the top end of the second chute 602 to reach a dead point, self-locking is completed, and the zero-gravity state of the sofa is realized; when the zero-gravity sofa is switched to the sitting posture state from the zero-gravity state, the sofa can be operated in the reverse direction.
The zero-gravity sofa realizes the switching between the sitting posture state and the zero-gravity state through the mutual matching of the wall-leaning vertical plate, the handrail, the sofa feet, the seat plate, the back rest plate, the foot rest plate and the foot rest rod, has simple structure and convenient maintenance, and the back rest plate rotates and moves downwards without moving backwards when the sitting posture state is switched to the zero-gravity state, so that the zero-gravity sofa can be placed by leaning on the wall.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A zero gravity sofa is characterized in that: comprises that
A wall-against vertical plate;
the handrails are provided with two handrails which are respectively connected to two sides of the wall-leaning vertical plate;
the two handrails are matched with the wall-leaning vertical plate to form a first groove for the sand raising foot to horizontally move in or out, and the sofa foot is movably arranged in the first groove;
the seat board is rotatably arranged on the upper end surfaces of the sofa legs through a fourth rotating shaft;
the lower side of the backrest plate is rotatably connected with one side, close to the wall-approaching vertical plate, of the seat plate through a first rotating shaft, the upper side of the backrest plate is rotatably connected with the wall-approaching vertical plate through a second rotating shaft, the backrest plate is connected with the second rotating shaft, a first sliding groove for the second rotating shaft to rotate and move up and down is formed in the wall-approaching vertical plate, and the second rotating shaft is arranged in the first sliding groove;
the footrest is arranged on one side, far away from the wall-leaning vertical plate, of the sofa feet, and the upper side of the footrest is rotatably connected with the seat plate through a third rotating shaft;
put foot pole, put foot pole setting in one side that the footrest is close to the sofa foot, put one side of foot pole and rotate through fifth pivot and sofa foot and be connected, put the opposite side of foot pole and pass through slider and footrest removal connection, the slider rotates through sixth pivot and foot pole to be connected, it has the second spout that holds the slider and reciprocate to open on the footrest, the slider removes and sets up in the second spout.
2. The zero-gravity sofa of claim 1, wherein: the seat plate is composed of a flat plate part and a semi-cylindrical part, the axis in the semi-cylindrical part is horizontally arranged on the lower end face of the flat plate part, the arc-shaped side face of the semi-cylindrical part is arranged downwards, fan-shaped limiting protrusions are horizontally and outwards extended from one side, close to the wall vertical plate, of the end faces of the two sides of the semi-cylindrical part along the axial direction, a first through hole for a fourth rotating shaft to pass through is formed in the axis of the semi-cylindrical part, and the fourth rotating shaft is rotatably arranged in the first through hole;
open on the sofa foot up end and have and hold semi-cylindrical portion and supply semi-cylindrical portion pivoted second recess, open on the both sides face of second recess and have and hold fan-shaped spacing arch and supply fan-shaped spacing arch along with semi-cylindrical portion pivoted angle spacing groove, the flat board portion sets up in sofa foot top, semi-cylindrical portion sets up in the second recess, fan-shaped spacing arch sets up at angle spacing inslot, the both sides of fourth pivot are installed on the sofa foot through the fourth mount pad.
3. The zero-gravity sofa of claim 1, wherein: a guide rail is arranged below the sofa feet, one side of the guide rail is connected with the wall-leaning vertical plate, a guide groove is formed in the upper end face of the guide rail, a guide block matched with the guide groove is arranged on the lower end face of the sofa feet, and the guide block is installed in the guide groove and moves along the guide groove along with the movement of the sofa feet;
the two sides of the guide rail are provided with idler wheels, and the idler wheels are rotatably arranged on the sofa feet and roll along with the movement of the sofa feet.
4. The zero-gravity sofa of claim 1, wherein: fifth pivot axis is installed at sofa foot middle part horizontally, sofa foot and footrest cooperation are opened and are supplied the footrest to rotate the third recess that gets into or shift out, the third recess is located fifth pivot below, the footrest rotates and gets into in the third recess, makes the side laminating of footrest and sofa foot.
5. The zero-gravity sofa of claim 1, wherein: the middle part of the footrest is provided with a square through groove and forms a reversed-square structure, the footrest rods are provided with two sliding blocks which are arranged on two sides of the footrest in parallel, each footrest rod is connected with one sliding block, the second sliding grooves are provided with two sliding blocks which correspond to the two sliding blocks one by one, and the sliding blocks are arranged in the corresponding second sliding grooves;
two connect through the push rod between the slider, the push rod level sets up in square logical inslot, all switch on through the intercommunication groove between the second spout of square logical groove and both sides, the both sides of push rod are passed the intercommunication groove respectively and are connected with the slider in getting into the second spout of homonymy, the push rod removes and drives the slider synchronous motion in corresponding second spout of both sides along the intercommunication groove.
6. The zero-gravity sofa of claim 1, wherein: a back board supporting part is arranged below the first sliding groove in the wall leaning vertical board, and the upper end face of the back board supporting part inclines towards the direction close to the seat board from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211148021.9A CN115413907B (en) | 2022-09-21 | 2022-09-21 | Zero gravity sofa |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211148021.9A CN115413907B (en) | 2022-09-21 | 2022-09-21 | Zero gravity sofa |
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| CN115413907A true CN115413907A (en) | 2022-12-02 |
| CN115413907B CN115413907B (en) | 2023-09-29 |
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| CN202211148021.9A Active CN115413907B (en) | 2022-09-21 | 2022-09-21 | Zero gravity sofa |
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| CN216628017U (en) * | 2021-11-04 | 2022-05-31 | 江苏里高智能家居有限公司 | Functional extension sofa with head bearing structure |
| CN217117973U (en) * | 2022-05-09 | 2022-08-05 | 德沃康科技集团有限公司 | Zero lean on wall sofa |
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| CN115413907B (en) | 2023-09-29 |
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