CN213799360U

CN213799360U - Zero-gravity seat and seat frame framework thereof

Info

Publication number: CN213799360U
Application number: CN202022618206.4U
Authority: CN
Inventors: 宋阳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-07-27
Anticipated expiration: 2030-11-12

Abstract

The utility model discloses a seat frame skeleton, including lower floor's fixed seat frame skeleton and the movable seat frame skeleton in upper strata, the rear end of lower floor's fixed seat frame skeleton is equipped with first pivot, and the rear end normal running fit of the movable seat frame skeleton in upper strata is installed in first pivot, and is equipped with on the fixed seat frame skeleton in lower floor to be used for driving the movable seat frame skeleton in upper strata and winds first pivot pivoted angle adjustment mechanism. The utility model also discloses a zero gravity seat, including above seat frame skeleton, the back is installed through the angle modulation ware to the rear end of the fixed seat frame skeleton of lower floor, and the front end of the movable seat frame skeleton of upper strata installs the leg through telescopic machanism and holds in the palm. The utility model discloses a zero gravity seat and seat frame skeleton thereof not only can adjust the inclination of cushion, and the atress is more balanced moreover, promotes under the prerequisite of taking the travelling comfort, solves the not enough problem of current zero gravity seat skeleton seat intensity, effectively improves structural strength, the structural reliability of seat product to and the flexibility of adjusting.

Description

Zero-gravity seat and seat frame framework thereof

Technical Field

The utility model relates to a seat, specific be a zero gravity seat and seat frame skeleton thereof.

Background

Chinese patent publication No. CN208682692U discloses a zero gravity seat for an automobile, which includes a seat frame framework, the front end of the seat frame framework is connected with a leg support through a turnover mechanism, the rear end of the seat frame framework is provided with a seat back through an angle adjuster, a mounting bottom plate is arranged below the seat frame framework, the rear end of the seat frame framework is hinged on the mounting bottom plate, an inclination angle adjusting mechanism is arranged between the front end and the mounting bottom plate, the inclination angle adjusting mechanism includes a threaded seat hinged on the lower side of the seat frame framework, a gear box hinged on the upper side of the mounting bottom plate, and a lead screw with one end installed in the gear box and the other end in threaded fit with the threaded seat, a turbine and a worm which are engaged with each other are arranged in the gear box, wherein the turbine is sleeved on the lead screw.

This a zero gravity seat for car passes through screw thread seat, gear box and lead screw and constitutes inclination adjustment mechanism, though can adjust the inclination of seat frame skeleton for mounting plate, but weight finally can be transmitted to mounting plate by the lead screw, has stress concentration promptly in lead screw department, leads to lead to that lead screw life is short even by the lead screw fracture. In addition, after the slide rail is arranged, if the seat frame framework is inclined relative to the mounting bottom plate under the action of the inclination angle adjusting mechanism, a larger gravity component force action is applied to the slide rail mechanism, so that the accepting structure at the slide rail is unstable.

Disclosure of Invention

In view of this, the utility model aims at providing a zero gravity seat and seat frame skeleton thereof, not only can adjust the inclination of cushion, structural strength is better moreover.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model discloses at first, a seat frame skeleton is proposed, including lower floor's fixed seat frame skeleton and the movable seat frame skeleton in upper strata, the rear end of lower floor's fixed seat frame skeleton is equipped with first pivot, the rear end normal running fit of the movable seat frame skeleton in upper strata is installed in the first pivot, just be equipped with on the fixed seat frame skeleton of lower floor and be used for the drive the movable seat frame skeleton in upper strata winds first pivot pivoted angle adjustment mechanism.

Further, the angle adjusting mechanism comprises a power device and a connecting rod mechanism arranged between the upper movable seat frame framework and the lower fixed seat frame framework.

Further, link mechanism includes first connecting rod and second connecting rod, be equipped with the second pivot on the fixed seat frame skeleton of lower floor, the middle part of first connecting rod with second pivot normal running fit, the one end of second connecting rod with articulated connection, the other end between the movable seat frame skeleton of upper strata and articulated connection between the first connecting rod, power device with first connecting rod links to each other and is used for the drive first connecting rod winds the second pivot rotates.

Furthermore, a third rotating shaft is arranged on the upper-layer movable seat frame framework, and the second connecting rod is in running fit with the third rotating shaft.

Furthermore, the first rotating shaft, the second rotating shaft and the third rotating shaft are parallel to each other.

Further, the power device comprises a power motor and a threaded sleeve hinged with the first connecting rod, a screw rod in threaded fit with the threaded sleeve is arranged in the threaded sleeve, and the screw rod is in transmission connection with an output shaft of the power motor; or the like, or, alternatively,

the power device comprises an electric cylinder, and a telescopic rod of the electric cylinder is hinged with the first connecting rod; or the like, or, alternatively,

the power device comprises an air cylinder or a hydraulic cylinder, and a piston rod of the air cylinder or the hydraulic cylinder is hinged with the first connecting rod.

Furthermore, the angle adjusting mechanism comprises a rotating motor and a threaded screw rod in transmission connection with an output shaft of the rotating motor, a screw rod sleeve in threaded fit with the threaded screw rod is sleeved on the threaded screw rod, and the screw rod sleeve is hinged with the upper-layer movable seat frame framework.

The utility model also provides a zero gravity seat, include as above seat frame skeleton, the back is installed through the angle modulation ware to the rear end of the fixed seat frame skeleton of lower floor, install on the movable seat frame skeleton of upper strata and sit the basin.

Further, a linear slide rail is arranged below the lower fixed seat frame framework, and the lower fixed seat frame framework is installed on the linear slide rail in a sliding fit manner; or the like, or, alternatively,

a rotating device is arranged below the lower fixed seat frame framework, and the lower fixed seat frame framework is arranged on the rotating device and can rotate around the axis of the rotating device; or the like, or, alternatively,

the fixed seat frame skeleton of lower floor's below is equipped with linear slide rail, be equipped with on the linear slide rail rather than sliding fit's interior spout, fixed mounting is equipped with rotating device on the interior spout, the fixed seat frame skeleton of lower floor is installed rotating device is last and can wind rotating device's axis rotates.

Furthermore, a backrest connecting piece is arranged at the rear end of the lower fixed seat frame framework, and the angle adjuster is arranged between the backrest connecting piece and the backrest.

Furthermore, the front end of the upper-layer movable seat frame framework is provided with a leg support connecting piece, and the leg support connecting piece is connected with a leg support through a telescopic mechanism.

The beneficial effects of the utility model reside in that:

the utility model discloses a seat frame framework, through setting up upper movable seat frame framework and lower floor's fixed seat frame framework, and the rear end of upper movable seat frame framework and lower floor's fixed seat frame framework is through the first pivot normal running fit, so, utilize angle adjustment mechanism drive upper movable seat frame framework to rotate relative to lower floor's fixed seat frame framework, thereby can adjust the inclination of upper movable seat frame framework, the utility model discloses a two seat frame mechanisms of lower floor's fixed seat frame framework and upper movable seat frame framework, utilize lower floor's fixed seat frame framework to ensure the bulk strength, utilize upper movable seat frame framework to realize the seatpad angularly adjustable, so, compromise function and intensity, solved the problem that leads to the seat frame framework whole stress intensity not enough when present seatpad inclination is adjusted, and have simple structure, the advantage of atress equilibrium, the service life and the reliability can be effectively improved.

The utility model discloses a zero gravity seat utilizes the angle modulation ware to adjust back angle, utilizes telescopic machanism to adjust the leg and holds in the palm the angle, combines adjustable inclination's seat frame skeleton, can make the human body be in most comfortable state, lets the vertebra constantly be in healthy, the state of relaxing, keeps the position of sitting most comfortable.

Drawings

In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, the utility model provides a following figure explains:

fig. 1 is a schematic structural view of an embodiment of the zero gravity seat of the present invention;

fig. 2 is a schematic structural diagram of the positional relationship of the components of the zero-gravity seat in the zero-gravity state according to the embodiment;

FIG. 3 is a schematic structural view of a second structure of the zero-gravity seat of the present embodiment;

fig. 4 is a structural diagram illustrating the positional relationship of the components of the zero-gravity seat in the zero-gravity state according to the second structure.

Description of reference numerals:

1-lower layer fixed seat frame framework; 2-upper movable seat frame framework; 3-a first rotating shaft; 4-a first link; 5-a second link; 6-a second rotating shaft; 7-a third rotating shaft; 8-a power motor; 9-thread bushing; 10-a screw; 11-an angle adjuster; 12-a backrest; 13-a connector; 14-leg rest; 15-linear slide rail; 16-a rotating device; 17-an inner chute; 18-backrest connection; 19-legrest connections; 20-a rotating electrical machine; 21-a threaded screw rod; 22-a screw rod sleeve; 23-fourth axis of rotation.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

As shown in fig. 1, is a schematic structural diagram of an embodiment of the zero gravity seat of the present invention. The zero-gravity seat of the embodiment comprises a seat frame framework. Specifically, the seat frame skeleton of this embodiment, including lower floor's fixed seat frame skeleton 1 and upper movable seat frame skeleton 2, the rear end of lower floor's fixed seat frame skeleton 2 is equipped with first pivot 3, and the rear end normal running fit of upper movable seat frame skeleton 1 installs on first pivot 3, and is equipped with on the fixed seat frame skeleton 2 of lower floor to be used for driving upper movable seat frame skeleton 1 around the 3 pivoted angle adjustment mechanism of first pivot. The back 12 is installed through angle modulation 11 in the fixed seat frame skeleton 2 of lower floor of this embodiment's rear end, installs on the movable seat frame skeleton 1 of upper strata and sits the basin. Specifically, the back connecting member 18 is disposed at the rear end of the lower fixed seat frame 2, and the recliner 11 is disposed between the back connecting member 18 and the back 12. The front end of the upper layer movable seat frame framework 1 of the embodiment is provided with a leg support connecting piece 19, and the leg support connecting piece 19 is connected with a leg support 14 through a telescopic mechanism 13.

Further, the angle adjusting mechanism comprises a power device and a connecting rod mechanism arranged between the upper-layer movable seat frame framework 1 and the lower-layer fixed seat frame framework 2. Specifically, the link mechanism of this embodiment includes first connecting rod 4 and second connecting rod 5, is equipped with second pivot 6 on the fixed seat frame skeleton 2 of lower floor, and the middle part and the 6 normal running fit of second pivot of first connecting rod 4, the one end of second connecting rod 5 and articulated being connected between the movable seat frame skeleton 1 of upper strata, the other end and articulated being connected between the first connecting rod 4, power device links to each other with first connecting rod 4 and is used for driving first connecting rod 4 and rotates around second pivot 6. Specifically, one end of the first connecting rod 4 is hinged with the second connecting rod 5, and the other end is connected with the power device. Preferably, the upper movable seat frame framework 1 of the embodiment is provided with a third rotating shaft 7, the second connecting rod 5 is in running fit with the third rotating shaft 7, and the first rotating shaft 3, the second rotating shaft 6 and the third rotating shaft 7 are parallel to each other. Therefore, the power device is utilized to drive the first connecting rod 4 to rotate around the second rotating shaft 6, so as to drive the second connecting rod 5 to act and drive the third rotating shaft 7 to rotate upwards around the first rotating shaft 3, and the technical purpose of driving the upper-layer movable seat frame framework 1 to rotate around the first rotating shaft 3 is achieved. Of course, the link mechanism can also adopt various existing structural modes, and the description is not repeated.

Further, the power device of this embodiment includes power motor 8 and the thread bush 9 that is connected with first connecting rod 4 is articulated, is equipped with in the thread bush 9 rather than screw-thread fit's screw rod 10, and the transmission is connected between the output shaft of screw rod 10 and power motor 8. The screw 10 is driven to rotate by the power motor 8, so that the position of the threaded sleeve 9 on the screw 10 is adjusted, and the technical purpose of driving the first connecting rod 4 to rotate around the second rotating shaft 6 is achieved. Of course, the power device may also be implemented in other various manners, for example, the power device may include an electric cylinder, and an expansion link of the electric cylinder is hinged to the first connecting rod 4; or, the power device may include an air cylinder or a hydraulic cylinder, and a piston rod of the air cylinder or the hydraulic cylinder is hinged with the first connecting rod 4; the first connecting rod 4 can be driven to rotate around the second rotating shaft 6, and the description is not repeated.

Of course, the angle adjusting mechanism may also be implemented in other various manners, for example, the adjusting mechanism may also include a rotating motor 20 and a threaded screw rod 21 in transmission connection with an output shaft of the rotating motor 20, a screw rod sleeve 22 in threaded fit with the threaded screw rod 21 is sleeved on the threaded screw rod 21, and the screw rod sleeve 22 is hinged to the upper movable seat frame framework 1, as shown in fig. 3 and 4. The upper movable seat frame framework 1 of the embodiment is provided with a fourth rotating shaft 23, the fourth rotating shaft 23 is provided with a connecting piece 13 fixedly connected with the fourth rotating shaft, and the screw rod sleeve 22 is hinged with the connecting piece 13. The threaded screw rod 21 is driven to rotate by rotating the motor 20, so that the position of the screw rod sleeve 22 on the threaded screw rod 21 is adjusted, the upper-layer movable seat frame framework 1 is driven to rotate around the first rotating shaft 3, and the inclination angle of the upper-layer movable seat frame framework 1 is adjusted.

Further, the lower fixed seat frame framework 2 can be fixedly installed on the automobile chassis or other fixed installation planes. Certainly, a plurality of functional devices may be further disposed below the lower fixed seat frame framework 2, for example, a linear slide rail 15 may be disposed below the lower fixed seat frame framework 2, and the lower fixed seat frame framework 2 is slidably mounted on the linear slide rail 15, so that the zero-gravity seat of the present embodiment can slide along the linear slide rail 15; if the rotating device 16 can be disposed below the lower fixed seat frame framework 2, the lower fixed seat frame framework 2 is mounted on the rotating device 16 and can rotate around the axis of the rotating device 16, so that the zero gravity seat of the embodiment can rotate around the axis of the rotating device 16. The lower side of the lower fixed seat frame framework 2 of the embodiment is provided with a linear slide rail 15, the linear slide rail 15 is provided with an inner slide groove 17 in sliding fit with the linear slide rail, the inner slide groove 17 is fixedly provided with a rotating device 16, and the lower fixed seat frame framework 2 is arranged on the rotating device 16 and can rotate around the axis of the rotating device 16. That is, the zero-gravity seat of the present embodiment can move linearly along the linear slide 15, and can also rotate around the axis of the rotating device 16.

The utility model discloses a seat frame skeleton is through setting up the movable seat frame skeleton in upper strata and the fixed seat frame skeleton of lower floor to pass through first pivot normal running fit with the rear end of the movable seat frame skeleton in upper strata and the fixed seat frame skeleton of lower floor, so, utilize the movable seat frame skeleton in angle adjustment mechanism drive upper strata to rotate for the fixed seat frame skeleton of lower floor, thereby can adjust the inclination of the movable seat frame skeleton in upper strata, have simple structure, the balanced advantage of atress, can effectively improve life and reliability.

The zero-gravity seat of the utility model is characterized in that the seat frame framework is arranged into an upper movable seat frame framework and a lower fixed seat frame framework, and the rear ends of the upper movable seat frame framework and the lower fixed seat frame framework are rotationally matched through the first rotating shaft, so that the upper movable seat frame framework is driven to rotate relative to the lower fixed seat frame framework by the angle adjusting mechanism, and the inclination angle of the upper movable seat frame framework can be adjusted; the double-seat frame mechanism of the lower-layer fixed seat frame framework and the upper-layer movable seat frame framework is adopted in the embodiment, the overall strength is ensured by utilizing the lower-layer fixed seat frame framework, the seat cushion angle is adjustable by utilizing the upper-layer movable seat frame framework, so that the function and the strength are both considered, the problem that the overall stress strength of the seat frame framework is not enough when the current seat cushion inclination angle is adjusted is solved, the double-seat frame mechanism has the advantages of simple structure and balanced stress, and the service life and the reliability can be effectively prolonged. When the chair is used, the angle of the backrest is adjusted by the angle adjuster, the angle of the leg support is adjusted by the telescopic mechanism, and the chair frame framework with the adjustable inclination angle is combined, so that a human body can be in the most comfortable state, the spine is constantly in a healthy and relaxed state, and the most comfortable sitting posture is kept.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. A seat frame skeleton which is characterized in that: including fixed seat frame skeleton (2) of lower floor and the movable seat frame skeleton (1) of upper strata, the rear end of fixed seat frame skeleton (2) of lower floor is equipped with first pivot (3), the rear end normal running fit of the movable seat frame skeleton (1) of upper strata is installed on first pivot (3), just be equipped with on the fixed seat frame skeleton (2) of lower floor and be used for the drive movable seat frame skeleton (1) of upper strata winds thereby first pivot (3) rotate and adjust the angle adjustment mechanism of the inclination of the movable seat frame skeleton (1) of upper strata.

2. A seat frame armature according to claim 1, wherein: the angle adjusting mechanism comprises a power device and a connecting rod mechanism arranged between the upper movable seat frame framework (1) and the lower fixed seat frame framework (2).

3. A seat frame armature according to claim 2, wherein: link mechanism includes first connecting rod (4) and second connecting rod (5), be equipped with second pivot (6) on fixed seat frame skeleton (2) of lower floor, the middle part of first connecting rod with second pivot (6) normal running fit, the one end of second connecting rod (5) with articulated connection, the other end between the movable seat frame skeleton of upper strata (1) with articulated connection between first connecting rod (4), power device with first connecting rod (4) link to each other and are used for the drive first connecting rod (4) are wound second pivot (6) rotate, thereby drive movable seat frame skeleton of upper strata (1) wind first pivot (3) rotate.

4. A seat frame armature according to claim 3, wherein: a third rotating shaft (7) is arranged on the upper-layer movable seat frame framework (1), and the second connecting rod (5) is in rotating fit with the third rotating shaft (7); the first rotating shaft (3), the second rotating shaft (6) and the third rotating shaft (7) are parallel to each other.

5. A seat frame armature according to any of claims 2 to 4, wherein:

the power device comprises a power motor (8) and a threaded sleeve (9) hinged with the first connecting rod (4), a screw rod (10) in threaded fit with the threaded sleeve (9) is arranged in the threaded sleeve (9), and the screw rod (10) is in transmission connection with an output shaft of the power motor (8); or the like, or, alternatively,

the power device comprises an electric cylinder, and a telescopic rod of the electric cylinder is hinged with the first connecting rod (4); or the like, or, alternatively,

the power device comprises an air cylinder or a hydraulic cylinder, and a piston rod of the air cylinder or the hydraulic cylinder is hinged with the first connecting rod (4).

6. A seat frame armature according to claim 1, wherein: the angle adjusting mechanism comprises a rotating motor (20) and a threaded screw rod (21) in transmission connection with an output shaft of the rotating motor (20), a screw rod sleeve (22) in threaded fit with the threaded screw rod (21) is sleeved on the threaded screw rod (21), and the screw rod sleeve (22) is hinged to the upper movable seat frame framework (1).

7. A zero-gravity seat, characterized in that: comprises the seat frame framework as defined in any one of claims 1 to 6, wherein the back end of the lower fixed seat frame framework (2) is provided with a backrest (12) through an angle adjuster (11), and the upper movable seat frame framework (1) is provided with a seat basin.

8. The zero-gravity seat according to claim 7, wherein:

a linear slide rail (15) is arranged below the lower fixed seat frame framework (2), and the lower fixed seat frame framework (2) is arranged on the linear slide rail (15) in a sliding fit manner; or the like, or, alternatively,

a rotating device (16) is arranged below the lower fixed seat frame framework (2), and the lower fixed seat frame framework (2) is arranged on the rotating device (16) and can rotate around the axis of the rotating device (16); or the like, or, alternatively,

the below of lower floor's fixed seat frame skeleton (2) is equipped with linear slide rail (15), be equipped with on linear slide rail (15) rather than sliding fit's interior spout (17), fixed mounting is equipped with rotating device (16) on interior spout (17), lower floor's fixed seat frame skeleton (2) is installed rotating device (16) are gone up and can be wound rotating device (16)'s axis rotates.

9. The zero-gravity seat according to claim 7, wherein: the backrest connecting piece (18) is arranged at the rear end of the lower fixed seat frame framework (2), and the angle adjuster (11) is arranged between the backrest connecting piece (18) and the backrest (12).

10. The zero-gravity seat according to claim 7, wherein: the front end of the upper-layer movable seat frame framework (1) is provided with a leg support connecting piece (19), and the leg support connecting piece (19) is connected with a leg support (14) through a telescopic mechanism.