CN214647735U - Zero-gravity seat frame inclination angle adjusting structure - Google Patents
Zero-gravity seat frame inclination angle adjusting structure Download PDFInfo
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- CN214647735U CN214647735U CN202120365056.2U CN202120365056U CN214647735U CN 214647735 U CN214647735 U CN 214647735U CN 202120365056 U CN202120365056 U CN 202120365056U CN 214647735 U CN214647735 U CN 214647735U
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- connecting rod
- seat frame
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- gear
- inclination
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Abstract
The utility model discloses a zero gravity seat frame inclination adjusts structure, the on-line screen storage device comprises a base, this base top is provided with the seat frame, seat frame rear portion both sides are articulated with the base respectively, the base front portion is provided with the adjustable supporting mechanism in inclination, this adjustable supporting mechanism in inclination supports the seat frame front portion, this adjustable supporting mechanism in inclination includes first connecting rod and second connecting rod, be provided with first connecting rod and second connecting rod between anterior both sides of seat frame and the base respectively, the one end and the seat frame of first connecting rod are articulated, the other end is articulated with the one end of second connecting rod, the other end and the base of second connecting rod are articulated, the first connecting rod or the second connecting rod of the arbitrary one side of seat frame are connected with angle adjusting mechanism. The utility model has the advantages that: the seat frame inclination angle is conveniently adjusted and locked, the requirement that the knee of a human body is in a low joint tension state with a certain bending angle is met, and the comfort is good.
Description
Technical Field
The utility model belongs to the technical field of car seat, concretely relates to zero gravity seat frame inclination adjusts structure.
Background
In order to improve the comfort of the seat, the structure and function of the car seat are continuously improved. The seat posture determined by the seat frame, including the seat back angle, the leg rest extension length and angle, the seat frame height and angle, etc., is one of the main factors influencing the comfort of the seat. The aim of the seat posture adjustment is to meet the bearing force requirements of three main parts, namely the shanks, the feet, the thighs and the trunk of the passengers, so that the three main parts are subjected to sufficient and proper supporting force to reduce the joint stress of hip joints and knee joints as much as possible and the joint stress of spinal joints, shoulder joints and the like influenced by the joint stress as much as possible, and therefore all parts of the passenger body are in a highly relaxed state, namely a so-called zero gravity state. The inclination angle of the seat frame has great influence on the supporting force of thighs and the stress of hip joints and knee joints, and the improvement of the inclination angle adjusting capability and the stability of the seat frame is an important aspect of improving the comfort of the seat.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a zero gravity seat frame inclination adjusts structure.
The technical scheme is as follows:
the zero gravity seat frame inclination angle adjusting structure comprises a base, a seat frame is arranged above the base, two sides of the rear part of the seat frame are respectively hinged with the base, an inclination angle adjustable supporting mechanism is arranged at the front part of the base and supports the front part of the seat frame, and the zero gravity seat frame inclination angle adjusting structure is characterized in that,
the supporting mechanism with the adjustable inclination angle comprises a first connecting rod and a second connecting rod, and the first connecting rod and the second connecting rod are respectively arranged between the two sides of the front part of the seat frame and the base;
one end of the first connecting rod is hinged with the seat frame, the other end of the first connecting rod is hinged with one end of the second connecting rod, and the other end of the second connecting rod is hinged with the base;
the first connecting rod or the second connecting rod on any side of the seat frame is connected with an angle adjusting mechanism, and the angle adjusting mechanism drives the first connecting rod or the second connecting rod to rotate in a vertical plane.
Compared with the prior art, the beneficial effects of the utility model are that: the seat frame inclination angle is conveniently adjusted and locked, the requirement that the knee of a human body is in a low joint tension state with a certain bending angle is met, and the comfort is good.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the portion m in FIG. 1;
fig. 3 is a schematic structural view of another viewing angle of the present invention;
fig. 4 is an enlarged view of the portion n in fig. 3.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
As shown in fig. 1 and 3, the inclination angle adjusting structure of the zero-gravity seat frame comprises a base, wherein a seat frame 1 is arranged above the base, two sides of the rear portion of the seat frame 1 are respectively hinged to the base, an inclination angle adjustable supporting mechanism is arranged at the front portion of the base and supports the front portion of the seat frame 1, the inclination angle adjustable supporting mechanism comprises a first connecting rod 3 and a second connecting rod 4, and the first connecting rod 3 and the second connecting rod 4 are respectively arranged between two sides of the front portion of the seat frame 1 and the base. One end of the first connecting rod 3 is hinged to the seat frame 1, the other end of the first connecting rod is hinged to one end of the second connecting rod 4, and the other end of the second connecting rod 4 is hinged to the base. The first connecting rod 3 or the second connecting rod 4 on any side of the seat frame 1 is connected with an angle adjusting mechanism, and the angle adjusting mechanism drives the first connecting rod 3 or the second connecting rod 4 to rotate in a vertical plane.
In this embodiment, the angle adjusting mechanism includes a rack and pinion mechanism, a rotation limiting mechanism, and a driving device 9.
The gear rack mechanism comprises a driving gear 6 and a toothed plate 5, the toothed plate 5 and the second connecting rod 4 are integrally formed, the toothed plate 5 is located on a vertical plane, an arc-shaped rack 5a is arranged on the toothed plate 5, and the center line of the arc-shaped rack 5a is collinear with the center line of the hinge shaft 4 a. The base is fixedly provided with a gear support 7, the gear support 7 is rotatably provided with a driving gear 6, the driving gear 6 is meshed with the arc-shaped rack 5a, the driving gear 6 is driven to rotate by a driving device 9 so as to drive the second connecting rod 4 to rotate around a hinge shaft 4a of the base, and the rotation limiting mechanism is limited in the rotation angle of the second connecting rod 4.
The rotation limiting mechanism comprises an arc-shaped limiting hole 5b formed in the toothed plate 5, and the circular center line of the arc-shaped limiting hole 5b is collinear with the center line of the hinge shaft 4 a. The gear support 7 is fixedly connected with a limiting shaft 8, and the limiting shaft 8 penetrates through the arc-shaped limiting hole 5 b.
As shown in fig. 2 and 4, gear support 7 includes L-shaped plate 7A and curved plate 7b, L-shaped plate 7A includes horizontal part and vertical portion, the horizontal part falls on the base and rather than the rigid coupling, vertical portion is close to 5 one side of toothed plate 5 the 5 opposite sides of toothed plate are provided with curved plate 7b, curved plate 7b is triangle-shaped, two angles of curved plate 7b paste lean on vertical portion and rather than being connected, another angle of curved plate 7b is earlier to keeping away from the direction of vertical portion stretches out, is on a parallel with again vertical portion extends to just right the spacing hole of arc 5b, curved plate 7b with the region between the vertical portion is provided with drive gear 6, drive gear 6's shaft both ends are installed through the bearing respectively vertical portion with on the curved plate 7 b.
The base includes that two sets of parallels are just to the slide rail set 2 that sets up, every group be provided with the seat support along the fore-and-aft direction on the last slide rail of slide rail set 2 respectively, the front portion of seat support with second connecting rod 4 is articulated, the rear portion of seat support with the rear portion of seat support is articulated. The gear support 7 and the driving device 9 are fixedly arranged on the sliding rail on the side where the toothed plate 5 is located, and the driving device 9 is a speed reduction motor.
Because the rear part of the seat frame 1 is hinged with the base, when the speed reducing motor works to drive the second connecting rod 4 to rotate, the first connecting rod 3 also rotates along with the second connecting rod, so that the front part of the seat frame 1 is driven to rotate upwards and backwards or fall back forwards and downwards, and the angle adjustment is realized. When the reduction motor is not operated, the driving gear 6 is in a locked state, thereby maintaining the bezel 1 at the current tilt angle.
The rear part of the seat frame 1 can be directly hinged with the base and can also be connected through a rear end connecting rod. As shown in fig. 1 and 3 of the present embodiment, when the two rear end connecting rods are connected, the rear end connecting rod is connected to another angle adjusting mechanism, and the rear end connecting rod, the seat frame 1, the first connecting rod 3, the base, and the second connecting rod 4 with the angle in the locking state form a four-bar mechanism, which can also realize the lifting adjustment of the seat frame 1.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.
Claims (6)
1. The utility model provides a zero gravity seat frame inclination adjusts structure, includes the base, and this base top is provided with seat frame (1), seat frame (1) rear portion both sides respectively with the base is articulated, the base front portion is provided with the adjustable supporting mechanism in inclination, and this adjustable supporting mechanism in inclination supports seat frame (1) front portion, its characterized in that:
the supporting mechanism with the adjustable inclination angle comprises a first connecting rod (3) and a second connecting rod (4), and the first connecting rod (3) and the second connecting rod (4) are respectively arranged between the two sides of the front part of the seat frame (1) and the base;
one end of the first connecting rod (3) is hinged with the seat frame (1), the other end of the first connecting rod is hinged with one end of the second connecting rod (4), and the other end of the second connecting rod (4) is hinged with the base;
the seat frame is characterized in that the first connecting rod (3) or the second connecting rod (4) on any side of the seat frame (1) is connected with an angle adjusting mechanism, and the angle adjusting mechanism drives the first connecting rod (3) or the second connecting rod (4) to rotate in a vertical plane.
2. The zero-gravity seat frame inclination adjustment structure according to claim 1, characterized in that: the angle adjusting mechanism comprises a gear rack mechanism, a rotation limiting mechanism and a driving device (9);
the gear rack mechanism is connected with the second connecting rod (4) and driven by a driving device (9) to drive the second connecting rod (4) to rotate around a hinge shaft (4a) of the second connecting rod and the base, and the rotation limiting mechanism limits the rotation angle of the second connecting rod (4).
3. The zero-gravity seat frame tilt adjustment structure of claim 2, wherein: the gear rack mechanism comprises a driving gear (6) and an arc-shaped rack (5 a);
the second connecting rod (4) is fixedly connected with a toothed plate (5), the toothed plate (5) is located in a vertical plane, the toothed plate (5) is integrally formed with an arc-shaped rack (5a), and the center line of the arc-shaped rack (5a) is collinear with the center line of the hinge shaft (4 a);
the base is fixedly provided with a gear support (7), the gear support (7) is rotatably provided with the driving gear (6), the driving gear (6) is meshed with the arc-shaped rack (5a), and the driving gear (6) is driven to rotate by the driving device (9).
4. The zero-gravity seat frame inclination adjustment structure according to claim 3, characterized in that: the rotation limiting mechanism comprises an arc limiting hole (5b) formed in the toothed plate (5), and the circular center line of the arc limiting hole (5b) is collinear with the center line of the hinge shaft (4 a);
the gear support (7) is fixedly connected with a limiting shaft (8), and the limiting shaft (8) penetrates through the arc-shaped limiting hole (5 b).
5. The zero-gravity seat frame inclination adjustment structure according to claim 4, characterized in that: the gear bracket (7) comprises an L-shaped plate (7A) and a curved plate (7b), the L-shaped plate (7A) comprises a horizontal part and a vertical part, the horizontal part is arranged on the base and fixedly connected with the base, the vertical part is close to one side of the toothed plate (5), the curved plate (7b) is arranged on the other side of the toothed plate (5), the curved plate (7b) is triangular, two corners of the curved plate (7b) are attached to and connected with the vertical part, the other corner of the curved plate (7b) firstly extends out in the direction away from the vertical part and then extends to be opposite to the arc-shaped limiting hole (5b) in parallel with the vertical part, the driving gear (6) is arranged in the area between the curved plate (7b) and the vertical part, and two ends of a wheel shaft of the driving gear (6) are respectively installed on the vertical part and the curved plate (7b) through bearings.
6. The zero-gravity seat frame tilt adjustment structure of claim 5, wherein: the base comprises two groups of sliding rail assemblies (2) which are arranged in parallel and oppositely, a seat support is arranged on an upper sliding rail of each group of sliding rail assemblies (2) along the front-back direction, the front part of the seat support is hinged with the second connecting rod (4), and the rear part of the seat support is hinged with the rear part of the seat support;
the gear support (7) and the driving device (9) are fixedly arranged on the sliding rail on the side where the toothed plate (5) is located.
Priority Applications (1)
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CN202120365056.2U CN214647735U (en) | 2021-02-09 | 2021-02-09 | Zero-gravity seat frame inclination angle adjusting structure |
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CN202120365056.2U CN214647735U (en) | 2021-02-09 | 2021-02-09 | Zero-gravity seat frame inclination angle adjusting structure |
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CN214647735U true CN214647735U (en) | 2021-11-09 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115009127A (en) * | 2022-04-29 | 2022-09-06 | 重庆长安汽车股份有限公司 | Zero-gravity seat front collision restraint system and vehicle |
WO2023109028A1 (en) * | 2021-12-16 | 2023-06-22 | 延锋国际汽车技术有限公司 | Seat tilt angle adjustment mechanism and vehicle zero-gravity seat |
WO2024067769A1 (en) * | 2022-09-30 | 2024-04-04 | 博泽科堡汽车零件欧洲两合公司 | Zero-gravity vehicle seat and seat framework thereof |
-
2021
- 2021-02-09 CN CN202120365056.2U patent/CN214647735U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023109028A1 (en) * | 2021-12-16 | 2023-06-22 | 延锋国际汽车技术有限公司 | Seat tilt angle adjustment mechanism and vehicle zero-gravity seat |
CN115009127A (en) * | 2022-04-29 | 2022-09-06 | 重庆长安汽车股份有限公司 | Zero-gravity seat front collision restraint system and vehicle |
CN115009127B (en) * | 2022-04-29 | 2024-05-07 | 重庆长安汽车股份有限公司 | Front collision restraint system of zero gravity seat and vehicle |
WO2024067769A1 (en) * | 2022-09-30 | 2024-04-04 | 博泽科堡汽车零件欧洲两合公司 | Zero-gravity vehicle seat and seat framework thereof |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: No. 99, Pingtai Road, huangmaoping, Liangjiang New District, Chongqing Patentee after: Chongqing andotuo Auto Parts System Co.,Ltd. Address before: No. 99, Pingtai Road, huangmaoping, Liangjiang New District, Chongqing Patentee before: Chongqing Yanfeng Johnson Automotive Parts System Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder |