CN214355644U - Zero-gravity seat frame multi-posture adjusting structure - Google Patents
Zero-gravity seat frame multi-posture adjusting structure Download PDFInfo
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- CN214355644U CN214355644U CN202120372669.9U CN202120372669U CN214355644U CN 214355644 U CN214355644 U CN 214355644U CN 202120372669 U CN202120372669 U CN 202120372669U CN 214355644 U CN214355644 U CN 214355644U
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- connecting rod
- angle adjusting
- adjusting mechanism
- seat frame
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Abstract
The utility model discloses a multi-posture adjusting structure of a zero-gravity seat frame, which comprises a base, wherein the seat frame is arranged above the base, first connecting rods are respectively connected between the two sides of the rear part of the seat frame and the base, any one of the first connecting rods is connected with an angle adjusting mechanism, and the angle adjusting mechanism drives the first connecting rod to rotate in a vertical plane; a second connecting rod and a third connecting rod are respectively connected between the two sides of the front part of the seat frame and the base, any one second connecting rod is connected with another angle adjusting mechanism, and the angle adjusting mechanism drives the second connecting rods to rotate in a vertical plane. Compared with the prior art, the beneficial effects of the utility model are that: one of the two angle adjusting mechanisms is kept in a locking state, and the other angle adjusting mechanism works to respectively realize the adjustment of the height and the inclination angle of the seat frame, so that the posture of the seat frame meets the requirements of different members.
Description
Technical Field
The utility model belongs to the technical field of car seat, concretely relates to structure is adjusted to zero gravity seat frame multi-attitude.
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 height and the inclination angle of the seat frame greatly influence the stress condition of a human body, and the adjusting capacity of the seat frame is improved so as to meet the requirements of passengers with different body shapes on the comfort of the seat.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a zero gravity seat frame multi-attitude adjusts structure.
The technical scheme is as follows:
a multi-posture adjusting structure of a zero-gravity seat frame comprises a base, a seat frame is arranged above the base, first connecting rods are respectively connected between the two sides of the rear part of the seat frame and the base, the key is that,
any one first connecting rod is connected with an angle adjusting mechanism which drives the first connecting rod to rotate in a vertical plane;
a second connecting rod and a third connecting rod are respectively connected between the two sides of the front part of the seat frame and the base, one end of the second connecting rod is hinged with the base, the other end of the second connecting rod is hinged with one end of the third connecting rod, and the other end of the third connecting rod is hinged with the seat frame;
and the second connecting rod is connected with another angle adjusting mechanism which drives the second connecting rod to rotate in the vertical plane.
Compared with the prior art, the beneficial effects of the utility model are that: one of the two angle adjusting mechanisms is kept in a locking state, and the other angle adjusting mechanism works to respectively realize the adjustment of the height and the inclination angle of the seat frame, so that the posture of the seat frame meets the requirements of different members.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged view of a portion m of fig. 1, that is, a view angle of the first angle adjusting mechanism;
fig. 3 is a schematic structural view of another viewing angle of the present invention;
fig. 4 is an enlarged view of a portion n of fig. 3, that is, a schematic view of another angle of the first angle adjusting mechanism.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
Referring to fig. 1 and 3, the multi-posture adjusting structure of the zero-gravity seat frame comprises a base, wherein a seat frame 1 is arranged above the base, first connecting rods 5 are respectively connected between two sides of the rear portion of the seat frame 1 and the base, any one of the first connecting rods 5 is connected with an angle adjusting mechanism 6, and the angle adjusting mechanism 6 drives the first connecting rod 5 to rotate in a vertical plane.
A second connecting rod 4 and a third connecting rod 3 are respectively connected between the two sides of the front part of the seat frame 1 and the base, one end of the second connecting rod 4 is hinged with the base, the other end of the second connecting rod 4 is hinged with one end of the third connecting rod 3, and the other end of the third connecting rod 3 is hinged with the seat frame 1. Another angle adjusting mechanism 6 is connected to any one of the second connecting rods 4, and the angle adjusting mechanism 6 drives the second connecting rod 4 to rotate in a vertical plane.
The angle adjusting mechanism 6 connected with the first connecting rod 5 is a first angle adjusting mechanism, the angle adjusting mechanism 6 connected with the second connecting rod 4 is a second angle adjusting mechanism, and the first angle adjusting mechanism and the second angle adjusting mechanism are identical in structure. Fig. 2 and 4 show structural features of the first angle adjustment mechanism. The angle adjusting mechanism 6 comprises a gear rack mechanism, a rotation limiting mechanism and a driving device. The gear rack mechanism comprises a gear support 7, a driving gear 9 and a toothed plate 8, wherein the driving gear 9 is rotatably mounted on the gear support 7. The toothed plate 8 is located in a vertical plane, an arc-shaped rack 8a is integrally formed on the toothed plate 8, the arc-shaped rack 8a is meshed with the driving gear 9, and the driving gear 9 is driven by the driving device to rotate. The rotation limiting mechanism comprises an arc-shaped limiting hole 8b formed in the toothed plate 8, a limiting shaft 11 is fixedly connected to the gear support 7, and the limiting shaft 11 penetrates through the arc-shaped limiting hole 8 b.
The first angle adjusting mechanism pushes the first connecting rod 5 to rotate around the first hinge shaft 5a of the base, and the rotation limiting mechanism limits the rotation angle of the first connecting rod 5. The second angle adjusting mechanism pushes the second connecting rod 4 to rotate around the second hinge shaft 4a of the base, and the rotation limiting mechanism of the second angle adjusting mechanism limits the rotation angle of the second connecting rod 4.
The seat frame 1, the first connecting rod 5, the second connecting rod 4, the third connecting rod 3 and the base form a multi-connecting-rod mechanism. When the first angle adjusting mechanism is in a locking state, the rear part of the seat frame 1 and the base are in a single-point hinged state, and when the second angle adjusting mechanism works and drives the second connecting rod 4 to rotate, the front part of the seat frame 1 also rotates, so that the inclination angle of the seat frame is adjusted. When second angle adjustment mechanism is in the locking state, seat frame 1 is anterior and only has third connecting rod 3 can rotate with the base, is in single connecting rod connected state promptly, and first angle adjustment mechanism promotes first connecting rod 5 and rotates this moment to drive third connecting rod 3 and seat frame 1 and rotate, realize seat frame 1 altitude mixture control.
The entire structure of the first angle adjusting mechanism is not shown in the drawings. A toothed plate 8 of the first angle adjusting mechanism is integrally formed on the first connecting rod 5, a circular center line of an arc-shaped toothed rack 8a on the toothed plate 8 is collinear with a center line of the first hinge shaft 5a, and a gear bracket 7 and a driving device of the first angle adjusting mechanism are installed on the seat frame 1. The center line of the arc-shaped limiting hole 8b of the first angle adjusting mechanism is collinear with the center line of the first hinge shaft 5 a.
As shown in fig. 2 and 4, the toothed plate 8 of the second angle adjusting mechanism is integrally formed on the second link 4, a center line of the arc-shaped rack 8a on the toothed plate 8 is collinear with a center line of the second hinge shaft 4a, and the gear bracket 7 and the driving device of the second angle adjusting mechanism are mounted on the base. And the circular center line of the arc-shaped limiting hole 8b of the second angle adjusting mechanism is collinear with the center line of the second hinge shaft 4 a.
The gear bracket 7 of the second angle adjusting mechanism includes an L-shaped plate 7a and a curved plate 7b, the L-shaped plate 7a includes a horizontal portion and a vertical portion, the horizontal part is arranged on the base and fixedly connected with the base, the vertical part is close to one side of the corresponding toothed plate 8, the curved plate 7b is arranged at the other side of the toothed plate 8, 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 extends out in the direction away from the vertical part and then extends to be opposite to the arc-shaped limiting hole 8b in parallel with the vertical part, the limiting shaft 11 is connected between the curved plate 7b and the vertical part, the driving gear 9 is arranged in the area between the curved plate 7b and the vertical part, and two ends of the wheel shaft of the driving gear 9 are respectively arranged on the vertical part and the curved plate 7b through bearings.
In this embodiment, as shown in fig. 1 and 3, the base includes two sets of parallel slide rail assemblies 2 that are arranged just opposite to each other, a seat support is respectively arranged on an upper slide rail of each set of slide rail assemblies 2 along a front-back direction, a front portion of the seat support is hinged to the second connecting rod 4, and a rear portion of the seat support is hinged to the first connecting rod 5.
And a gear bracket 7 and a driving device of the second angle adjusting mechanism are fixedly arranged on the upper sliding rail on the same side of the toothed plate 8 of the second angle adjusting mechanism. The drive means may be a gear motor.
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 (7)
1. The utility model provides a structure is adjusted to many attitudes of zero gravity seat frame, includes the base, and this base top is provided with seat frame (1), seat frame (1) rear portion both sides with be connected with first connecting rod (5), its characterized in that between the base respectively:
an angle adjusting mechanism (6) is connected with any one first connecting rod (5), and the angle adjusting mechanism (6) drives the first connecting rod (5) to rotate in a vertical plane;
a second connecting rod (4) and a third connecting rod (3) are respectively connected between the two sides of the front part of the seat frame (1) and the base, one end of the second connecting rod (4) is hinged with the base, the other end of the second connecting rod is hinged with one end of the third connecting rod (3), and the other end of the third connecting rod (3) is hinged with the seat frame (1);
and the other angle adjusting mechanism (6) is connected with any one of the second connecting rods (4), and the angle adjusting mechanism (6) drives the second connecting rods (4) to rotate in a vertical plane.
2. The zero-gravity seat frame multi-attitude adjustment structure according to claim 1, characterized in that: the angle adjusting mechanism (6) connected with the first connecting rod (5) is a first angle adjusting mechanism, and the angle adjusting mechanism (6) connected with the second connecting rod (4) is a second angle adjusting mechanism;
the angle adjusting mechanism (6) comprises a gear rack mechanism, a rotation limiting mechanism and a driving device;
the gear and rack mechanism of the first angle adjusting mechanism is connected with the first connecting rod (5) and is driven by a driving device to drive the first connecting rod (5) to rotate around a first hinge shaft (5a) of the first connecting rod and the base, and the rotation limiting mechanism limits the rotation angle of the first connecting rod (5);
the gear and rack mechanism of the second angle adjusting mechanism is connected with the second connecting rod (4) and driven by the driving device to drive the second connecting rod (4) to rotate around the second connecting rod and a second hinge shaft (4a) of the base, and the rotation limiting mechanism of the second angle adjusting mechanism limits the rotation angle of the second connecting rod (4).
3. The zero-gravity seat frame multi-attitude adjustment structure of claim 2, characterized in that: the gear rack mechanism comprises a gear support (7), a driving gear (9) and a toothed plate (8), wherein the driving gear (9) is rotatably mounted on the gear support (7);
the toothed plate (8) is positioned in a vertical plane, an arc-shaped rack (8a) is integrally formed on the toothed plate (8), the arc-shaped rack (8a) is meshed with the driving gear (9), and the driving gear (9) is driven by the driving device to rotate;
wherein a toothed plate (8) of the first angle adjusting mechanism is integrally formed on the first connecting rod (5), the central line of an arc-shaped rack (8a) on the toothed plate (8) is collinear with the central line of the first hinge shaft (5a), and a gear bracket (7) and a driving device of the first angle adjusting mechanism are installed on the seat frame (1);
a toothed plate (8) of the second angle adjusting mechanism is integrally formed on the second connecting rod (4), the central line of an arc-shaped rack (8a) on the toothed plate (8) is collinear with the central line of the second hinge shaft (4a), and a gear support (7) and a driving device of the second angle adjusting mechanism are installed on the base.
4. The zero-gravity seat frame multi-attitude adjustment structure according to claim 3, characterized in that: the rotation limiting mechanism comprises an arc-shaped limiting hole (8b) formed in the toothed plate (8), a limiting shaft (11) is fixedly connected to the gear bracket (7), and the limiting shaft (11) penetrates through the arc-shaped limiting hole (8 b);
the center line of the arc-shaped limiting hole (8b) of the first angle adjusting mechanism is collinear with the center line of the first articulated shaft (5 a);
the center line of the arc-shaped limiting hole (8b) of the second angle adjusting mechanism is collinear with the center line of the second hinge shaft (4 a).
5. The zero-gravity seat frame multi-attitude adjustment structure according to claim 4, characterized in that: the gear support (7) of the second angle adjusting mechanism 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 falls on the base and is fixedly connected with the base, the vertical part is close to one side of the toothed plate (8), the curved plate (7b) is arranged at the other side of the toothed plate (8), the curved plate (7b) is triangular, two corners of the curved plate (7b) are attached to the vertical part and connected with the vertical part, another corner of the curved plate (7b) extends out in the direction away from the vertical part and is parallel to the vertical part, the vertical part extends to the arc-shaped limiting hole (8b), the limiting shaft (11) is connected between the vertical parts, the curved plate (7b) and the area between the vertical parts is provided with the driving gear (9), and two ends of a wheel shaft of the driving gear (9) are respectively installed on the vertical part and the curved plate (7b) through bearings.
6. The zero-gravity seat frame multi-attitude adjustment structure of claim 5, wherein: the base comprises two groups of parallel sliding rail assemblies (2) which are arranged 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 first connecting rod (5);
and a gear bracket (7) and a driving device of the second angle adjusting mechanism are fixedly arranged on the upper sliding rail at the same side of the toothed plate (8) of the second angle adjusting mechanism.
7. The zero-gravity seat frame multi-posture adjusting structure of any one of claims 2 to 5, wherein: the driving device is a speed reducing motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120372669.9U CN214355644U (en) | 2021-02-09 | 2021-02-09 | Zero-gravity seat frame multi-posture adjusting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120372669.9U CN214355644U (en) | 2021-02-09 | 2021-02-09 | Zero-gravity seat frame multi-posture adjusting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214355644U true CN214355644U (en) | 2021-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120372669.9U Active CN214355644U (en) | 2021-02-09 | 2021-02-09 | Zero-gravity seat frame multi-posture adjusting structure |
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| CN (1) | CN214355644U (en) |
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 |
| WO2023124193A1 (en) * | 2021-12-28 | 2023-07-06 | 麦格纳座椅研发(重庆)有限公司 | Low-sitting-position zero-gravity seat framework capable of multidirectional adjustment |
-
2021
- 2021-02-09 CN CN202120372669.9U patent/CN214355644U/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 |
| WO2023124193A1 (en) * | 2021-12-28 | 2023-07-06 | 麦格纳座椅研发(重庆)有限公司 | Low-sitting-position zero-gravity seat framework capable of multidirectional adjustment |
| 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 |
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| Date | Code | Title | Description |
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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 |