CN114194088B - Chair framework - Google Patents
Chair framework Download PDFInfo
- Publication number
- CN114194088B CN114194088B CN202010910200.6A CN202010910200A CN114194088B CN 114194088 B CN114194088 B CN 114194088B CN 202010910200 A CN202010910200 A CN 202010910200A CN 114194088 B CN114194088 B CN 114194088B
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- CN
- China
- Prior art keywords
- base
- seat cushion
- cushion framework
- seat
- guide structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B60N2/68—Seat frames
-
- 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
- B60N2/10—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 tiltable
Abstract
The invention provides a seat framework, which mainly comprises a base, a seat cushion framework, a front guide structure, a rear guide structure, a driving mechanism, a power transmission mechanism and a driving mechanism, wherein the front guide structure and the rear guide structure are arranged between the base and the seat cushion framework, the driving mechanism is fixedly arranged on the base, the power transmission mechanism is connected between the driving mechanism and the seat cushion framework and is driven by the driving mechanism to drive the seat cushion framework to move relative to the base, the front part of the seat cushion framework moves forwards and upwards under the action of the front guide structure, and the rear part of the seat cushion framework moves forwards and downwards under the action of the rear guide structure. According to the seat framework, the driving mechanism and the power transmission mechanism are arranged, and the front guide structure and the rear guide structure are arranged between the base and the framework, so that the front part of the seat framework moves forwards and upwards, and the rear part of the seat framework moves forwards and downwards, the pitching adjustment of the seat framework relative to the base is realized, passengers feel comfortable in the adjustment process, and the seat framework has good practicability.
Description
Technical Field
The invention relates to the technical field of seats, in particular to a seat framework.
Background
In the current automobile seat market, the passenger pays attention to the comfort of the seat, wherein the comfort refers to the performance of the automobile seat for providing comfort, pleasant riding environment and convenient safe operation condition for the passenger, and is generally measured by the overall pressure distribution uniformity of the passenger after riding.
However, the main stream adjustment modes of the existing seat generally include two modes of height adjustment and front-rear position adjustment, and with the continuous improvement of the comfort requirement of the automobile seat by the automobile end consumer, the existing adjustment modes cannot meet the requirements of the passengers.
Disclosure of Invention
In view of the above, the present invention aims to provide a seat frame for improving the comfort of seating.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
a seat frame comprising:
a base mounted on an external carrier;
the seat cushion framework is arranged on the base;
the front guide structure and the rear guide structure are arranged between the base and the seat cushion framework and are respectively close to the front end and the rear end of the seat cushion framework;
the driving device comprises a driving mechanism fixedly arranged on the base and a power transmission mechanism connected between the driving mechanism and the seat cushion framework;
the power transmission mechanism can drive the seat cushion framework to move relative to the base, the front part of the seat cushion framework moves forwards and upwards under the action of the front guide structure, and the rear part of the seat cushion framework moves forwards and downwards under the action of the rear guide structure.
Further, the front guide structure and the rear guide structure are arranged on two sides of the seat cushion framework.
Further, the front guide structure comprises a front strip-shaped hole formed in one of the base and the seat cushion framework and a front sliding block fixedly arranged on the other of the base and the seat cushion framework, and the front sliding block is slidably arranged in the front strip-shaped hole; the rear guide structure comprises a rear strip-shaped hole formed in one of the base and the seat cushion framework, and a rear sliding block fixedly arranged on the other of the base and the seat cushion framework, and the rear sliding block is slidably arranged in the rear strip-shaped hole.
Further, shock absorbing members are provided between the front bar-shaped hole and the front slider, and between the rear bar-shaped hole and the rear slider.
Further, the power transmission mechanism comprises a rotating piece rotatably arranged on the base and a connecting rod mechanism arranged on two sides of the seat cushion framework; and one end of the connecting rod mechanism is fixedly connected with the rotating piece, and the other end of the connecting rod mechanism is pivotally connected with the seat cushion framework.
Further, each link mechanism comprises a follower with one end fixedly connected with the rotating member and a supporting member with one end pivotally connected with the base, and the other end of the follower is pivotally connected with the other end of the supporting member.
Further, the driving mechanism comprises a motor and a gear driven by the motor, and the rotating piece comprises a rotating shaft pivoted on the base and a toothed plate fixedly connected to the rotating shaft and meshed with the gear.
Further, a connecting rod is fixedly connected between the two supporting pieces, and an elastic piece is connected between the connecting rod and the rotating shaft.
Further, a rotation guiding structure for guiding the toothed plate to rotate along with the rotating shaft is arranged between the base and the toothed plate.
Further, a slide guiding mechanism for guiding the base to slide relative to the external carrier is arranged between the base and the external carrier.
Compared with the prior art, the invention has the following advantages:
according to the seat framework, the driving mechanism and the power transmission mechanism are arranged, and the front guide structure and the rear guide structure are arranged between the base and the framework, so that the front part of the seat framework moves forwards and upwards, and the rear part of the seat framework moves forwards and downwards, the pitching adjustment of the seat framework relative to the base is realized, passengers feel comfortable in the adjustment process, and the seat framework has good practicability.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
fig. 1 is a schematic structural view of a seat frame according to an embodiment of the present invention in an application state;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a schematic view of the structure of FIG. 1 from another perspective;
FIG. 4 is a schematic view of the seat frame of FIG. 3 after adjustment;
FIG. 5 is a schematic view of an assembled base and drive assembly according to an embodiment of the present invention;
FIG. 6 is a schematic view of the structure of FIG. 5 from another perspective;
FIG. 7 is a schematic view of the structure of FIG. 5 from another view;
FIG. 8 is a schematic view of the structure of FIG. 5 without the slide guiding mechanism;
FIG. 9 is a schematic view illustrating a structure of a driving device assembled with one side of a base according to an embodiment of the present invention;
FIG. 10 is a schematic diagram of a driving mechanism according to an embodiment of the present invention;
fig. 11 is a schematic structural view of a manual seat height adjuster according to an embodiment of the present invention.
Reference numerals illustrate:
1-a base, 2-a seat cushion framework, 3-a backrest framework, 4-a driving mechanism, 5-a power transmission mechanism, 6-a slide guiding mechanism and 7-a shock absorbing piece;
101-left support, 102-right support, 103-bottom plate, 104-front support plate, 1041-front bar aperture, 105-rear support plate, 1051-rear bar aperture;
201-front slider, 202-rear slider;
401-motor, 402-gear, 403-manual seat height adjuster;
501-a rotating shaft, 502-a toothed plate, 503-a follower, 504-a supporting piece, 505-a connecting rod and 506-a spring;
601-upper rail, 602-lower rail.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "front", "rear", "left", "right", etc. are based on the azimuth or positional relationship shown in fig. 1, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
The embodiment relates to a seat framework, which mainly comprises a base, a seat cushion framework and a driving device, wherein the driving device mainly comprises a driving mechanism and a power transmission mechanism connected with the driving mechanism, a front guide structure and a rear guide structure are arranged between the base and the seat cushion framework, and the front guide structure and the rear guide structure are arranged close to the front end and the rear end of the seat cushion framework.
Based on the above description of the overall structure, an exemplary structure in the applied state of the seat frame of the present embodiment is shown in fig. 1 to 4. In order to facilitate a better understanding of the present embodiment, a brief description will be given below of how the seat frame is applied with reference to fig. 1 to 4. Fig. 1 to 4 show a seat which can be used on an external carrier, such as a vehicle, an aircraft or a ship. The seat comprises a backrest framework 3 and a seat cushion framework 2 connected with the backrest framework 3, wherein the connection mode between the backrest framework 3 and the seat cushion framework can refer to the existing structure. The main improvement of the present embodiment is that the seat cushion frame 2 is provided on the base 1, a front guide structure and a rear guide structure are provided between the seat cushion frame 2 and the base 1, and a driving device for driving the seat cushion frame 2 to move relative to the base 1 is provided.
The structure of the base 1 will be briefly described with reference to fig. 5 to 8, the base 1 including left and right supports 101 and 102 disposed below the seat cushion frame 2, the left and right supports 101 and 102 being symmetrically disposed, and the left and right supports 101 and 102 being disposed near the left and right sides of the seat frame. In the following, the left support 101 is described as an example, and the left support 101 includes a bottom plate 103, and a front support plate 104 and a rear support plate 105 formed on the bottom plate 103, and the front support plate 104 and the rear support plate 105 are disposed near the front and rear ends of the seat cushion frame 2, respectively. The structure of the right supporting member 102 is symmetrical to that of the left supporting member 101, and the description of this embodiment is omitted.
In order to facilitate the movement of the seat cushion frame 2 relative to the base 1, a front strip-shaped hole 1041 is formed in the front support plate 104, a rear strip-shaped hole 1051 is formed in the rear support plate 105, the front strip-shaped hole 1041 is inclined from rear to front toward the front upper side of the seat cushion frame 2, and the rear strip-shaped hole 1051 is inclined from rear to front toward the front lower side of the seat cushion frame 2.
The structure of the seat cushion frame 2 can refer to the existing structure, and the main improvement point in the present embodiment is that the left and right sides of the seat cushion frame 2 are respectively fixed with a front slider 201 and a rear slider 202, and the front slider 201 is restrained in the front bar-shaped hole 1041, that is, the front slider 201 can slide in the front bar-shaped hole 1041; the rear slider 202 is constrained within the rear bar aperture 1051, i.e., the rear slider 202 is slidable within the rear bar aperture 1051. In this structure, the front slider 201 and the rear slider 202 are preferably cylindrical in shape to facilitate sliding.
In the above configuration, the front slider 201 and the front strip-shaped hole 1041 constitute a front guide structure provided between the base 1 and the seat cushion frame 2, and the rear slider 202 and the rear strip-shaped hole 1051 constitute a rear guide structure provided between the base 1 and the seat cushion frame 2. The arrangement of the structure mainly aims at realizing that the front part of the seat cushion framework 2 moves forward and upward under the action of the front guide structure, and the rear part of the seat cushion framework 2 moves forward and downward under the action of the rear guide structure.
In addition, in this embodiment, the front guiding structure and the rear guiding structure are disposed on two sides of the seat cushion frame 2, so that the seat cushion frame 2 can move relatively to the base 1, and the movement process is stable.
In order to effectively reduce noise, shock absorbing members 7 are provided between the front strip hole 1041 and the front slider 201, and between the rear strip hole 1051 and the rear slider 202. Here, the shock absorbing member 7 is preferably made of an existing wear-resistant, silent material, and is formed as a ring-shaped member which is fitted around the front strip-shaped hole 1041 or the edge of the rear strip-shaped hole 1051 to reduce noise during the relative movement of the front and rear guide structures. Besides, the shock absorbing member 7 can be sleeved on the sliding block to reduce noise.
Next, the structure of the driving device will be described with reference to fig. 5 to 9 in conjunction with fig. 10 and 11, which mainly includes a driving mechanism 4 fixedly disposed on the base 1, and a power transmission mechanism 5 connected between the driving mechanism 4 and the seat cushion frame 2, and driven by the driving mechanism 4, wherein the power transmission mechanism 5 drives the seat cushion frame 2 to move relative to the base 1, that is, drives the seat cushion frame 2 to drive the backrest frame 3 to move relative to the base 1, the state before the relative movement of the two can be shown in fig. 3, and the state after the relative movement of the two can be shown in fig. 4.
Referring to fig. 5 in combination with fig. 10, in the present embodiment, the driving mechanism 4 is mounted on the right support 102, and may be mounted on the left support 101 in addition to the right support 102. In a preferred embodiment, the drive mechanism 4 includes a motor 401 and a gear 402 driven to rotate by the motor 401. So set up, be convenient for realize the automatic control of seat regulation. In addition, the driving mechanism 4 can also use the existing manual seat height adjuster 403 shown in fig. 11, and the power output end of the manual seat height adjuster is also a rotatable gear 402.
The structure of the power transmission mechanism 5 is still shown with reference to fig. 5 to 9, and includes a rotating member rotatably provided on the base 1, and link mechanisms arranged on both sides in the width direction of the seat cushion frame 2; and one end of the connecting rod mechanism is fixedly connected with the rotating piece, and the other end of the connecting rod mechanism is pivotally connected with the seat cushion framework 2.
Structurally, the rotating member includes a rotating shaft 501 pivotally disposed on the base 1, and a toothed plate 502 fixedly connected to the rotating shaft 501 and engaged with the gear 402. Each linkage mechanism comprises a follower 503 with one end fixedly connected with the rotating member, and a supporting member 504 with one end pivotally connected with the base 1, and the other end of the follower 503 is pivotally connected with the other end of the supporting member 504.
More specifically, the two ends of the rotation shaft 501 are rotatably disposed on the front support plate 104, one end of the left follower 503 is fixedly connected to the rotation shaft 501, the other end is pivotally connected to one end of the side support 504, and the other end of the side support 504 is pivotally connected to the seat cushion frame 2. One end of the right follower 503 is integrally formed with the toothed plate 502, which is fixedly connected with the rotation shaft 501, the free end of the follower 503 on the side is pivotally connected with one end of the support 504, the other end of the support 504 is pivotally connected with the seat cushion frame 2, and the axial center line of the pivot shaft 501 of the seat cushion frame 2 and the left follower 503 is coaxially arranged with the axial center line of the pivot shaft 501 of the seat cushion frame 2 and the right follower 503.
In order to improve comfort, a connecting rod 505 is fixedly connected between the two supporting members 504, and an elastic member is connected between the connecting rod 505 and the rotating shaft 501. Still referring to fig. 9, the elastic member is preferably an existing tension spring, and is provided in two numbers disposed near the left and right sides. One end of the spring is sleeved on the connecting rod 505, and the other end of the spring is sleeved on the rotating shaft 501 so as to provide a certain tensile force in the movement process of the seat cushion framework 2 relative to the base 1, thereby effectively ensuring that the seat cushion framework 2 does not shake in the movement process relative to the base 1.
In order to facilitate the rotation of the toothed plate 502 around the rotation shaft 501, a rotation guiding structure for guiding the toothed plate 502 to rotate along with the rotation shaft 501 is arranged between the base 1 and the toothed plate 502. Structurally, the rotary guiding structure comprises a strip-shaped hole formed in the toothed plate 502, the strip-shaped hole is arc-shaped, and the circle center corresponding to the strip-shaped hole is located on the axial center line of the rotating shaft 501. A guide shaft is fixedly arranged on the front support plate 104 of the base 1, and the guide shaft is arranged in a bar-shaped hole on the toothed plate 502 in a penetrating manner so as to guide the toothed plate 502 to rotate around the rotating shaft 501.
For ease of use, a slide guiding mechanism 6 is provided between the base 1 and the outer carrier for guiding the base 1 to slide relative to the outer carrier. In this structure, taking an external carrier as a vehicle body floor as an example, the slide guiding mechanism 6 can refer to the existing structure, and has a main function of realizing the adjustment of the base 1 relative to the front-rear direction of the vehicle body floor, and driving the seat cushion framework 2 and the backrest framework 3 to realize the front-rear adjustment through the front-rear adjustment of the base 1. Specifically, the sliding guide mechanism 6 may include an existing upper rail 601 and a lower rail 602, where the upper rail 601 is fixedly connected to the lower portion of the base 1, the lower rail 602 is fixedly connected to the floor of the vehicle body, and the upper rail 601 and the lower rail 602 are assembled together, so as to realize the front-back adjustment of the base 1 to drive the seat cushion frame 2 and the backrest frame 3.
The seat framework can enable the front part of the seat cushion framework 2 to move forwards and upwards and the rear part of the seat cushion framework 2 to move forwards and downwards, so that pitching adjustment of the seat cushion framework 2 relative to the base 1 is realized, passengers feel comfortable in the adjusting process, and the seat framework has good practicability.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (9)
1. A seat frame, comprising:
a base (1) mounted on an external carrier;
the seat cushion framework (2) is arranged on the base (1);
the front guide structure and the rear guide structure are arranged between the base (1) and the seat cushion framework (2) and are respectively close to the front end and the rear end of the seat cushion framework (2);
the driving device comprises a driving mechanism (4) fixedly arranged on the base (1) and a power transmission mechanism (5) connected between the driving mechanism (4) and the seat cushion framework (2);
the power transmission mechanism (5) can drive the seat cushion framework (2) to move relative to the base (1) and the front part of the seat cushion framework (2) moves forwards and upwards under the action of the front guide structure, and the rear part of the seat cushion framework (2) moves forwards and downwards under the action of the rear guide structure;
the front guide structure comprises a front strip-shaped hole (1041) formed in one of the base (1) and the seat cushion framework (2), and a front sliding block (201) fixedly arranged on the other of the base (1) and the seat cushion framework (2), and the front sliding block (201) is slidably arranged in the front strip-shaped hole (1041);
the rear guide structure comprises a rear strip-shaped hole (1051) formed in one of the base (1) and the seat cushion framework (2), and a rear sliding block (202) fixedly arranged on the other of the base (1) and the seat cushion framework (2), and the rear sliding block (202) is slidably arranged in the rear strip-shaped hole (1051).
2. The seat frame according to claim 1, wherein: the front guide structure and the rear guide structure are arranged on two sides of the seat cushion framework (2).
3. The seat frame according to claim 1, wherein: damping elements (7) are arranged between the front strip-shaped hole (1041) and the front sliding block (201) and between the rear strip-shaped hole (1051) and the rear sliding block (202).
4. The seat frame according to claim 1, wherein: the power transmission mechanism (5) comprises a rotating piece which is rotatably arranged on the base (1) and a connecting rod mechanism which is arranged at two sides of the seat cushion framework (2); and one end of the connecting rod mechanism is fixedly connected with the rotating piece, and the other end of the connecting rod mechanism is pivotally connected with the seat cushion framework (2).
5. The seat frame as claimed in claim 4, wherein: each link mechanism comprises a follower (503) with one end fixedly connected with the rotating piece and a supporting piece (504) with one end pivotally connected with the base (1), and the other end of the follower (503) is pivotally connected with the other end of the supporting piece (504).
6. The seat frame according to claim 5, wherein: the driving mechanism (4) comprises a motor (401) and a gear (402) driven by the motor (401), and the rotating piece comprises a rotating shaft (501) pivoted on the base (1) and a toothed plate (502) fixedly connected to the rotating shaft (501) and meshed with the gear (402).
7. The seat frame as set forth in claim 6, wherein: a connecting rod (505) is fixedly connected between the two supporting pieces (504), and an elastic piece is connected between the connecting rod (505) and the rotating shaft (501).
8. The seat frame as set forth in claim 6, wherein: a rotation guiding structure for guiding the toothed plate (502) to rotate along with the rotating shaft (501) is arranged between the base (1) and the toothed plate (502).
9. The seat frame according to any one of claims 1 to 8, wherein: a sliding guide mechanism (6) for guiding the base (1) to slide relative to the external carrier is arranged between the base (1) and the external carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010910200.6A CN114194088B (en) | 2020-09-02 | 2020-09-02 | Chair framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010910200.6A CN114194088B (en) | 2020-09-02 | 2020-09-02 | Chair framework |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114194088A CN114194088A (en) | 2022-03-18 |
| CN114194088B true CN114194088B (en) | 2023-06-06 |
Family
ID=80644467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010910200.6A Active CN114194088B (en) | 2020-09-02 | 2020-09-02 | Chair framework |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114194088B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115107592B (en) * | 2022-07-01 | 2023-12-15 | 北京汽车集团越野车有限公司 | Seat adjusting structure, seat and vehicle |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007015556A (en) * | 2005-07-07 | 2007-01-25 | Nissan Motor Co Ltd | Seat slide lock device for vehicular seat |
| JP5220319B2 (en) * | 2007-01-18 | 2013-06-26 | 日本発條株式会社 | Vehicle seat device |
| JP4958047B2 (en) * | 2007-07-25 | 2012-06-20 | 株式会社今仙電機製作所 | Frame structure for vehicle seat |
| JP2009154681A (en) * | 2007-12-26 | 2009-07-16 | Toyota Boshoku Corp | Vehicular seat |
| JP2012126153A (en) * | 2010-12-13 | 2012-07-05 | Toyota Boshoku Corp | Vehicle seat |
| DE102016007870A1 (en) * | 2016-06-29 | 2018-01-04 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Seat frame for a height-adjustable and tiltable seat pan |
| KR102484935B1 (en) * | 2018-08-21 | 2023-01-04 | 현대자동차주식회사 | Device for tilting and swivel seat of vehicle |
| KR102602914B1 (en) * | 2018-11-26 | 2023-11-16 | 현대자동차주식회사 | Seat height adjust apparatus for vehicle seat |
| CN210591495U (en) * | 2019-09-25 | 2020-05-22 | 重庆延锋安道拓汽车部件系统有限公司 | Linkage adjusting device for backrest framework and seat frame framework of automobile seat |
-
2020
- 2020-09-02 CN CN202010910200.6A patent/CN114194088B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN114194088A (en) | 2022-03-18 |
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