CN114274848B - Zero-gravity seat - Google Patents
Zero-gravity seat Download PDFInfo
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- CN114274848B CN114274848B CN202210067526.6A CN202210067526A CN114274848B CN 114274848 B CN114274848 B CN 114274848B CN 202210067526 A CN202210067526 A CN 202210067526A CN 114274848 B CN114274848 B CN 114274848B
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- seat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
- B60N2/18—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention discloses a zero gravity seat which comprises a seat, a pair of slide rails, a pair of seat supports and at least one electric screw rod mechanism, wherein the seat is arranged on the pair of slide rails through the pair of seat supports, the front end of a seat cushion support in the seat is hinged with the pair of seat supports, a seat rear tube is screwed at the rear end of the seat cushion support, a motor in the electric screw rod mechanism is arranged on the seat supports, and a screw rod in the electric screw rod mechanism directly drives the seat rear tube to lift up and down through a screw rod nut so as to drive the rear end of a seat cushion framework to move up and down, thereby realizing backward tilting of the seat. The zero-gravity seat reduces the dependence on the vehicle body environment, improves the adaptability of the seat and the vehicle body, and can be used together with the long slide rail.
Description
Technical Field
The invention relates to the technical field of seats, in particular to a zero-gravity seat.
Background
With the upgrading of the consumption level, people have higher and higher requirements on the comfort of automobiles, especially on the comfort of automobile seats. Traditional car seat single structure, the personnel of riding easily waist soreness back pain after sitting for a long time, feel tired everywhere, and the experience of riding drives remains to be further improved.
To this end, chinese patent No. CN208682692U discloses a zero gravity seat for an automobile, wherein an inclination angle adjusting mechanism under a frame thereof includes a hinge seat, a gear box and a screw rod mechanism, wherein a worm gear and a worm are disposed in the gear box, the worm is connected to an oil driving motor at a position far away from a position engaged with the worm gear, and the adjustment of the seat inclination angle is realized by driving the worm gear and the screw rod to rotate through the driving motor. But in order to make the transmission stable, the patent arranges the connecting plate and the lower hinge seat symmetrically, thus improving the assembly requirement; meanwhile, the screw rod is arranged at the lower end of the connecting plate (outside the seat) and is connected with the bottom plate through the hinged seat, and certain dependence is provided for the space and the installation position of the vehicle body. In addition, when the patent is used together with a long slide rail, the required screw rod stroke is correspondingly increased under the condition of the same inclination angle, and the increased length is the ratio of the lengths of the long slide rail and the short slide rail, so that when the patent is used together with the long slide rail, a seat can be lifted higher, and the seat can possibly interfere with a roof body.
Disclosure of Invention
The invention aims to solve the technical problem that the zero gravity seat for the automobile has certain dependence on the space and the installation position of an automobile body, cannot be used with a long slide rail at the same time, and needs parts such as a connecting plate, a gear box and the like to cause higher weight and higher cost, and provides the zero gravity seat which reduces the dependence on the environment of the automobile body, improves the adaptability of the seat and the automobile body, can be used with the long slide rail at the same time, in addition, the zero gravity seat cancels the parts such as the connecting plate, the gear box and the like in the prior art, and further reduces the weight and the cost.
In order to achieve the purpose, the zero gravity seat comprises a seat, a pair of slide rails and a pair of seat supports, wherein the seat is mounted on the pair of slide rails through the pair of seat supports, the front end of a seat cushion support in the seat is hinged with the pair of seat supports, and the rear end of the seat cushion support is screwed with a seat rear tube; and a screw rod in the electric screw rod mechanism sequentially penetrates through the upper through hole, the through hole and the lower through hole and then is connected with an output shaft of the motor, so that when the electric screw rod mechanism drives the seat rear tube to ascend and descend through a screw rod nut, the electric screw rod mechanism rotates around the circle center of the spherical boss through the clamping of the upper stop block and the lower stop block.
In a preferred embodiment of the present invention, the pair of electric screw mechanisms is provided, and the motors of the pair of electric screw mechanisms are respectively mounted on a seat frame through fasteners in a symmetrical manner.
In a preferred embodiment of the present invention, the rear ends of a pair of seat frames are connected by a motor mounting plate on which the motors of a pair of electric screw mechanisms are mounted in a symmetrical fashion.
In a preferred embodiment of the present invention, two through holes are symmetrically formed in the motor mounting plate, and the motor is mounted on the motor mounting plate by a fastener and is located below the motor mounting plate.
In a preferred embodiment of the present invention, the motor screw mechanism mounting assembly further includes a lock nut, an external thread is provided at a lower end of the screw, the external thread at the lower end of the screw passes through the upper through hole in the upper block and the lower through hole in the lower block is sleeved on the external thread at the lower end of the screw, the lock nut is screwed on the external thread at the lower end of the screw, so that the upper block and the lower block as well as the lower end of the screw can be mounted on the motor mounting plate by screwing the lock nut; the motor is fixedly connected with the lower stop block through a fastener, so that the motor is arranged on the motor mounting plate; and an output shaft of the motor is in driving connection with the lower end of the screw rod to drive the screw rod to rotate relative to the upper stop block and the lower stop block.
In a preferred embodiment of the present invention, the lower end of the screw rod is rotatably supported on the upper stopper and the lower stopper through two axial bearings, respectively.
In a preferred embodiment of the present invention, the ball-shaped boss is punched towards the lower block, and a ball-shaped recess matching with the ball-shaped boss is arranged around the lower through hole of the lower block, and the ball-shaped boss is embedded into the ball-shaped recess.
In a preferred embodiment of the present invention, the front ends of the seat cushion brackets and the front ends of the pair of seat brackets are each hinged by a step bolt.
In a preferred embodiment of the present invention, the screw nut of each electric screw mechanism is disposed in the seat rear tube and a hole is formed in the seat rear tube at a position corresponding to each screw nut, and the screw passes through the screw nut and the hole in the seat rear tube.
In a preferred embodiment of the invention, a plastic spacer bush is sleeved on each screw rod nut, one end of the plastic spacer bush is provided with a hole corresponding to a screw rod hole in the screw rod nut, and the other end of the plastic spacer bush is provided with a limiting flange; the plastic spacer bush and the lead screw nut are inserted into the seat rear tube from the tube openings at two ends of the seat rear tube together until the limiting flanges are contacted with the end parts at two ends of the seat rear tube, so that the hole in the plastic spacer bush, the screw rod hole in the lead screw nut and the hole in the seat rear tube are aligned to ensure that the lead screw penetrates through the hole in the plastic spacer bush, the screw rod hole in the lead screw nut and the hole in the seat rear tube.
Due to the adoption of the technical scheme, the screw rod in the electric screw rod mechanism directly drives the seat rear tube to lift up and down through the screw rod nut, so that the rear end of the seat cushion framework is driven to move up and down, the seat is inclined backwards, the dependence on the environment of a vehicle body is reduced, the adaptability of the seat and the vehicle body is improved, and the zero-gravity seat can be used together with a long slide rail.
Drawings
Fig. 1 is a schematic view of the zero-gravity seat of the present invention.
Fig. 2 is a perspective view of a zero-gravity seat in accordance with embodiment 1 of the present invention.
Fig. 3 is a front view of a zero-gravity seat of embodiment 1 of the present invention in an initial position.
Fig. 4 is an elevation view of a zero-gravity seat of embodiment 1 of the present invention in a zero-gravity position.
Fig. 5 is an exploded view of a zero-gravity seat in accordance with embodiment 1 of the present invention.
Fig. 6 is an assembly diagram of a pair of seat brackets, a motor mounting plate, a pair of motor screw mechanisms, and a seat rear tube when the zero-gravity seat of embodiment 1 of the present invention is in an initial position.
Fig. 7 is an assembly cross-sectional view between a pair of motor screw mechanisms and a seat back tube when the zero-gravity seat of embodiment 1 of the present invention is in an initial position.
Fig. 8 is an exploded schematic view of a pair of motor screw mechanisms and a seat rear tube in the zero-gravity seat according to embodiment 1 of the present invention.
Fig. 9 is an assembly diagram of a pair of seat brackets, a motor mounting plate, a pair of motor screw mechanisms, and a seat rear tube when the zero-gravity seat of embodiment 1 of the present invention is in a zero-gravity position.
Fig. 10 is an assembled cross-sectional view of the pair of motor screw mechanisms and the seat back tube when the zero-gravity seat of embodiment 1 of the present invention is in the zero-gravity position.
Fig. 11 is an assembly diagram of the motor screw mechanism and the motor mounting plate in the zero-gravity seat according to embodiment 1 of the present invention.
Fig. 12 is an exploded schematic view of the motor screw mechanism and the motor mounting plate in the zero-gravity seat according to embodiment 1 of the present invention.
Fig. 13 is a top view of the assembly between the motor mounting plate and a pair of seat brackets in the zero-gravity seat of embodiment 1 of the present invention.
Fig. 14 is an assembly perspective view of the motor mounting plate and a pair of seat brackets in the zero-gravity seat according to embodiment 1 of the present invention.
Fig. 15 is a schematic view of the upper block structure in the zero-gravity seat according to embodiment 1 of the present invention.
Fig. 16 is a schematic view of the lower block structure in the zero-gravity seat according to embodiment 1 of the present invention.
Fig. 17 is a schematic view of an axial bearing structure in a zero-gravity seat according to embodiment 1 of the present invention.
Fig. 18 is a schematic structural diagram of a motor mounting plate in the zero-gravity seat according to embodiment 1 of the present invention.
Fig. 19 is a side view of fig. 18.
Fig. 20 is a schematic view of the movement principle of the zero gravity seat in embodiment 1 of the present invention.
Fig. 21 is a schematic position diagram of the motor screw mechanism of the zero gravity seat in the initial state according to embodiment 1 of the present invention.
Fig. 22 is an enlarged schematic view at I of fig. 21.
Fig. 23 is a schematic position diagram of the motor screw mechanism of the zero-gravity seat in the zero-gravity state according to embodiment 1 of the present invention.
Fig. 24 is an enlarged schematic view at I of fig. 23.
Fig. 25 is a schematic view of the zero gravity seat of embodiment 2 of the present invention viewed from one direction.
Fig. 26 is a schematic view of the zero gravity seat of embodiment 2 of the present invention viewed from another direction when the seat is in the initial position.
Fig. 27 is an exploded view of the motor screw mechanism and the motor guide bar when the zero gravity seat of embodiment 2 of the present invention is in the initial position.
Fig. 28 is an exploded view of the zero-gravity seat of embodiment 2 of the present invention.
Fig. 29 is an assembly diagram of a seat holder, a motor screw mechanism, a motor guide rod, a seat rear tube, and a cushion holder in the zero-gravity seat according to embodiment 2 of the present invention.
Fig. 30 is an assembly diagram of the pair of motor screw mechanisms, the pair of motor guide rods and the seat back tube when the zero-gravity seat of embodiment 2 of the present invention is in the initial position.
Fig. 31 is an assembly diagram of the pair of motor screw mechanisms, the pair of motor guide rods and the seat back tube when the zero-gravity seat of embodiment 2 of the present invention is in the zero-gravity position.
Fig. 32 is a schematic structural view of the zero-gravity seat of embodiment 2 of the present invention in a zero-gravity position.
Detailed Description
The invention is further described below in conjunction with the appended drawings and the detailed description.
Referring to fig. 1, the zero gravity seat shown in the figure includes a seat 100, a pair of slide rails 200, 200a, and a pair of seat brackets 300, 300a, the seat 100 is mounted on the pair of slide rails 200, 200a through the pair of seat brackets 300, 300a, a front end of a cushion bracket 110 in the seat 100 is hinged to front ends of the pair of seat brackets 300, 300a, and a seat rear tube 120 is screwed to a rear end of the cushion bracket 110.
The invention is characterized in that: the seat back tube lifting mechanism further comprises at least one electric screw rod mechanism 400, a motor 410 in the electric screw rod mechanism 400 is installed on the seat support 300 or/and the seat support 300a, a screw rod 420 in the electric screw rod mechanism 400 directly drives the seat back tube 120 to lift up and down through a screw rod nut, and then the rear end of the seat cushion frame 110 is driven to move up and down, so that the seat 100 tilts backwards, and a comfortable zero-gravity state is achieved.
Since the motor 410 is directly installed on the pair of seat supports 300 and 300a, and the screw rod 420 in the electric screw rod mechanism 400 directly drives the seat rear tube 120 to move up and down through the screw rod nut, the pair of slide rails 200 and 200a can be long slide rails or short slide rails, so that the stroke of the screw rod 420 is irrelevant to the length of the slide rails, and the seat cannot be lifted higher no matter the slide rails are long slide rails or short slide rails, and therefore, the seat cannot interfere with the roof body.
When the seat 100 starts to be adjusted from the initial position, the seat cushion bracket 110 is pulled to rotate by the driving of the electric screw mechanism 400, so that the seat 100 is wholly overturned backwards, zero gravity adjustment is realized, and meanwhile, the angle of the electric screw mechanism 400 moves along with the movement of the seat 100, and the angle of the electric screw mechanism 400 is changed.
Several embodiments of the present invention are described in detail below by way of specific examples
Example 1
Referring to fig. 2 to 24, the electric screw mechanism 400 of this embodiment is a pair, the rear ends of a pair of seat brackets 300, 300a are connected by a motor mounting plate 500, and the motors 410 of the pair of electric screw mechanisms 400 are mounted on the motor mounting plate 500 in a symmetrical fashion. The method comprises the following steps:
two through holes 510 are symmetrically formed in the motor mounting plate 500, the lower end 421 of the screw rod 420 penetrates through the corresponding through hole 510 in the motor mounting plate 500 and then is connected with an output shaft of the motor 410, and the motor 410 is mounted on the motor mounting plate 500 through a fastener and is located below the motor mounting plate 500.
The more preferable technical scheme is as follows: each electric screw mechanism 400 is mounted on the motor mounting plate 500 through a motor screw mechanism mounting assembly 600.
Referring particularly to fig. 11-17, the motor screw mechanism mounting assembly 600 includes an upper stop 610, a lower stop 620, and a locking nut 630, wherein the upper stop 610 and the lower stop 620 are plastic parts, which further reduces weight.
An external thread 421a is provided at the lower end 421 of the screw rod 420, a guide section 611 is provided on the bottom surface of the upper stopper 610, and an upper through hole 612 is provided on the upper stopper 610, and the upper through hole 612 passes through the guide section 611.
A lower through hole 621 is also formed in the lower stopper 620.
When the motor mounting plate is mounted, the guide section 611 of the upper stopper 610 is inserted into the corresponding through hole 510 of the motor mounting plate 500 from above the corresponding through hole 510 of the motor mounting plate 500, and then the external thread 421a of the lower end 421 of the screw rod 420 is inserted through the axial bearing 640 in the upper through hole 612 in the upper stopper 610 and the axial bearing 640 in the lower through hole 621 of the lower stopper 620 is sleeved on the external thread 421a of the lower end 421 of the screw rod 420. Next, the locking nut 630 is screwed on the external thread 421a of the lower end 421 of the lead screw 420, so that the upper and lower stoppers 610 and 620 and the lower end 421 of the lead screw 420 are mounted on the motor mounting plate 500 by screwing the locking nut 630. The use of two axial bearings 640 eliminates axial play of the screw 420.
The motor 410 is fixedly connected with the lower stopper 620 by fasteners, for example, two motor fastening bolts 411, so that the motor 410 is mounted on the motor mounting plate 500; the output shaft of the motor 410 is drivingly connected to the lower end 421 of the lead screw 420, for example, by a coupling, and the lead screw 420 is driven to rotate relative to the upper stopper 610 and the lower stopper 620. In addition, the cooperation of the motor mounting plate 500 with the lower stopper 620 also facilitates the rotation and sliding of the motor 410 thereat.
Referring to fig. 14 to 19 in combination with fig. 16, in order to enable the motor 410 to move up and down relative to the seat back tube 120 to swing and adjust the position so as not to cause the screw rod 420 to be jammed, a spherical boss 520 is punched on the motor mounting plate 500 corresponding to each through hole 510 in the direction of the lower stop 620, a spherical recess 622 matched with the spherical boss 520 is arranged around the lower through hole 621 of the lower stop 620, and the spherical boss 520 is embedded into the spherical recess 622, so that the lower stop 620 and the motor 410 can rotate around the motor mounting plate 500 during the movement of the motor 410.
The front end of the seat cushion bracket 110 and the front ends of the pair of seat brackets 300, 300a are each hinged by a step bolt 111.
In this embodiment, the lead screw nut 430 in each electric lead screw mechanism 400 may be disposed in the seat back tube 120, a hole 121 is formed in the seat back tube 120 at a position corresponding to each lead screw nut 430, and the lead screw 420 passes through the lead screw nut 430 and the hole 121 in the seat back tube 120, so that when the motor 410 is powered on, the lead screw 420 is driven to rotate, the lead screw nut 430 is driven to move up and down along the lead screw 420, and further the seat back tube 120 is driven to move up and down, so as to drive the rear end of the seat 100 to move up and down, and thus the posture of the seat 100 is changed.
In order to further eliminate the gap and reduce noise, and facilitate the installation of the lead screw nuts 430 into the seat back tube 120, a plastic spacer 440 is sleeved on each lead screw nut 430, a hole 441 corresponding to a screw hole in the lead screw nut 430 is opened at one end of the plastic spacer 440, and a limit flange 442 is provided at the other end of the plastic spacer 440.
After the plastic spacer 440 and the lead screw nut 430 are inserted into the seat rear tube 120 through the openings at the two ends of the seat rear tube 120 until the limiting flanges 442 contact the ends at the two ends of the seat rear tube 120, the holes 441 in the plastic spacer 440, the screw holes in the lead screw nut 430 and the holes 121 in the seat rear tube 120 are aligned, so as to ensure that the lead screw 420 passes through the holes 441 in the plastic spacer 440, the screw holes in the lead screw nut 430 and the holes 121 in the seat rear tube 120.
Referring particularly to fig. 20 to 24, when the seat 100 is in the initial state, the motor 410 in the electric screw mechanism 400 is in the design position, and at this time, the seat rear tube 120 is in the uppermost position. After the motor 410 is powered on to work, the screw rod 420 rotates to drive the screw rod nut 430 to move downwards, and further the seat rear tube 120 is pulled to move downwards, so that the seat 100 rotates downwards around the step bolt 111, meanwhile, the motor 410 rotates around the motor mounting plate 500 to realize downward continuous movement, and when the seat rear tube 120 is adjusted to the lowest position, the seat 100 also realizes the adjustment of the zero-gravity posture.
Example 2
Referring to fig. 25 to 32, the electric screw mechanisms 400 of this embodiment are a pair, and the motors 410 of the pair of electric screw mechanisms 400 are respectively mounted on a seat holder 300, 300a in a symmetrical fashion by means of a fastener such as a motor mounting bolt 412.
A seat front pipe 310 is welded to the front ends of the pair of seat frames 300, 300a, and the front end of the seat cushion frame 110 is rotatably supported on the seat front pipe 310 through a seat cushion frame bushing 320.
The seat rear tube 120 may be attached to the pair of seat brackets 300 and 300a by a pair of rear tube bushes 330. A pair of motor guide rods 450 are symmetrically welded to the rear seat tube 120, the interior of each motor guide rod 450 is hollow, a lead screw nut 430 is fixed at one end of each motor guide rod 450, which is far away from the end welded to the rear seat tube 120, the upper end of the lead screw 420 is screwed through the lead screw nut 430 and inserted into the hollow interior of the motor guide rod 450, and the lead screw 420 drives the rear seat tube 120 to move up and down through the lead screw nut 430 and the motor guide rods 450.
Referring to fig. 30 to 32 in particular, when the seat 100 is in the initial state, the motor 410 in the electric screw mechanism 400 is in the design position, and at this time, the rear seat tube 120 is in the highest position, and after the motor 410 is powered on to work, the screw 420 rotates to drive the screw nut 430 and the motor guide rod 450 to move downward, so as to pull the rear seat tube 120 to move downward, so that the seat 100 rotates downward around the front seat tube 310, and at the same time, the rear seat tube 120 rotates relative to the pair of seat brackets 300, 300a to adjust the angle, and the motor 410 rotates around the mounting point to realize downward continuous movement, and when the rear seat tube 120 is adjusted to the lowest position, the seat 100 also realizes adjustment of the zero gravity posture.
Claims (10)
1. The utility model provides a zero gravity seat, includes seat and a pair of slide rail and a pair of seat support, the seat is installed through a pair of seat support on a pair of slide rail, seatpad support front end in the seat is articulated with a pair of seat support the rear end of seatpad support has connect a seat back tube soon, a serial communication port, still include an at least electronic lead screw mechanism, the rear end of seat support is provided with the motor mounting panel, and electronic lead screw mechanism installs through a motor lead screw mechanism installation component on the motor mounting panel, through-hole on the motor mounting panel has spherical boss, motor lead screw mechanism installation component includes a last dog, lower dog be provided with a guide section on the bottom surface of last dog and set up an upper perforation on the last dog, go up the perforation and pass the guide section also set up a perforation on the lower dog, the guide section of going up the dog from the top of the through-hole that corresponds on the motor mounting panel inserts in the through-hole that corresponds on the motor mounting panel, lead screw in the mechanism pass in proper order go up perforation, through-hole and lower perforation with the output shaft connection of motor, cause electronic lead screw mechanism pass through lead screw drive nut during the round trip ball nut lifting mechanism the round shift and round the boss.
2. A zero-gravity seat as claimed in claim 1, wherein the electric screw mechanisms are a pair, and the motors of the pair of electric screw mechanisms are respectively mounted on a seat support by fasteners in a symmetrical manner.
3. A zero-gravity seat according to claim 1, wherein the rear ends of a pair of seat supports are connected by a motor mounting plate, and the motors of a pair of electric screw mechanisms are mounted on the motor mounting plate in a symmetrical fashion.
4. The zero-gravity seat as claimed in claim 3, wherein two through holes are symmetrically formed on the motor mounting plate, and the motor is mounted on the motor mounting plate through fasteners and is located below the motor mounting plate.
5. The zero-gravity seat as claimed in claim 4, wherein the motor screw mechanism mounting assembly further comprises a lock nut, wherein an external thread at one end is provided at the lower end of the screw rod, the external thread at the lower end of the screw rod is passed through the upper through hole in the upper stopper and the lower through hole in the lower stopper is sleeved on the external thread at the lower end of the screw rod, and the lock nut is screwed on the external thread at the lower end of the screw rod, so that the upper stopper and the lower end of the screw rod can be mounted on the motor mounting plate by screwing the lock nut; the motor is fixedly connected with the lower stop block through a fastener, so that the motor is installed on the motor installation plate; and an output shaft of the motor is in driving connection with the lower end of the screw rod to drive the screw rod to rotate relative to the upper stop block and the lower stop block.
6. A zero-gravity seat according to claim 5, wherein the lower end of the screw is rotatably supported on the upper and lower stops by two axial bearings.
7. The zero-gravity seat as claimed in claim 6, wherein the spherical boss is punched towards the lower block, a spherical recess matched with the spherical boss is arranged around the lower through hole of the lower block, and the spherical boss is embedded into the spherical recess.
8. A zero-gravity seat as claimed in any one of claims 1 to 7, wherein the front ends of the seat cushion brackets and the front ends of the pair of seat brackets are each hinged by a step bolt.
9. The zero-gravity seat as claimed in claim 8, wherein the lead screw nut of each electric lead screw mechanism is arranged in the seat back tube and is provided with a hole at a position corresponding to each lead screw nut of the seat back tube, and the lead screw passes through the lead screw nut and the hole on the seat back tube.
10. The zero-gravity seat as claimed in claim 9, wherein each screw nut is sleeved with a plastic spacer, one end of the plastic spacer is provided with a hole corresponding to the screw hole in the screw nut, and the other end of the plastic spacer is provided with a limit flange; the plastic spacer bush and the lead screw nut are inserted into the seat rear tube from the tube openings at two ends of the seat rear tube until the limiting flanges are contacted with the end parts at two ends of the seat rear tube, so that the hole in the plastic spacer bush, the screw rod hole in the lead screw nut and the hole in the seat rear tube are aligned to ensure that the lead screw penetrates through the hole in the plastic spacer bush, the screw rod hole in the lead screw nut and the hole in the seat rear tube.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210067526.6A CN114274848B (en) | 2022-01-20 | 2022-01-20 | Zero-gravity seat |
| PCT/CN2022/111125 WO2023138036A1 (en) | 2022-01-20 | 2022-08-09 | Seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210067526.6A CN114274848B (en) | 2022-01-20 | 2022-01-20 | Zero-gravity seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114274848A CN114274848A (en) | 2022-04-05 |
| CN114274848B true CN114274848B (en) | 2023-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210067526.6A Active CN114274848B (en) | 2022-01-20 | 2022-01-20 | Zero-gravity seat |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114274848B (en) |
| WO (1) | WO2023138036A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114274848B (en) * | 2022-01-20 | 2023-03-14 | 延锋国际座椅系统有限公司 | Zero-gravity seat |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN114274848A (en) | 2022-04-05 |
| WO2023138036A1 (en) | 2023-07-27 |
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