CN116424191A - Manual leg support adjusting mechanism of automobile seat - Google Patents
Manual leg support adjusting mechanism of automobile seat Download PDFInfo
- Publication number
- CN116424191A CN116424191A CN202310689509.0A CN202310689509A CN116424191A CN 116424191 A CN116424191 A CN 116424191A CN 202310689509 A CN202310689509 A CN 202310689509A CN 116424191 A CN116424191 A CN 116424191A
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- China
- Prior art keywords
- connecting rod
- pawl
- link
- leg
- leg support
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- 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.)
- Granted
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- 230000007246 mechanism Effects 0.000 title claims abstract description 99
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- B60N2/90—Details or parts not otherwise provided for
- B60N2/995—Lower-leg-rests, e.g. calf-rests
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The invention belongs to the field of automobile seat transmission control, and in particular relates to a manual leg support adjusting mechanism of an automobile seat, which comprises the following components: leg holds in palm apron, leg hold in palm fixed bolster, connecting rod adjustment mechanism includes: the connecting rod adjusting mechanism and the two groups of symmetrically arranged angle adjusting mechanisms; the link adjustment mechanism is used for supporting leg to hold in palm the apron, and link adjustment mechanism includes: the two groups of symmetrically arranged link mechanisms, a link base connected with the bottom of the leg support cover plate, a reset spring for resetting the link mechanisms, and an angle modulation connecting shaft arranged between the two groups of link mechanisms and used for being connected with the angle modulation mechanism; the angle modulation mechanism is used for a plurality of angle adjustments of link mechanism, and angle modulation mechanism includes: the fixed arm is connected with the leg support fixed bracket, and the moving arm is rotationally connected with the fixed arm through the pawl limiting mechanism; the invention has the advantages that: the chair has the advantages of simple structure, small occupied space, low manufacturing cost, rapid and convenient adjustment, no motor drive, suitability for manual chair installation and the like.
Description
Technical Field
The invention relates to the technical field of automobile seats, in particular to a manual leg support adjusting mechanism of an automobile seat.
Background
At present, a part of automobile seats are provided with leg support mechanisms, which can provide certain support for the lower legs and relieve the sour feeling of the lower legs caused by overlong riding time, and the conventional leg support mechanisms are usually electrically adjusted and are required to be arranged on the electric seats, so that the improvement of the old seats and the matching of the non-electric seats are not applicable.
For example, chinese patent publication No. 216424171U discloses a car seat leg support mechanism and car seat including the same, and the patent application realizes four-way leg support, but has the following problems: 1. the leg support has a complex structure, adopts 2 motors for driving, and has high cost and great manufacturing difficulty. 2. The structure is thinner, the strength is small, and the structure is easy to crush.
Disclosure of Invention
In view of the above problems, the present invention aims to provide a manual adjustment leg rest mechanism for a car seat, which has a simple structure and low manufacturing cost, and is very suitable for manual seat installation, so as to overcome the defects in the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a manual adjustment leg rest mechanism for an automotive seat, comprising: leg holds in palm apron, connects leg to hold in palm the connecting rod adjustment mechanism of apron and leg support fixed bolster, leg holds in the palm the apron and is used for supporting the shank, leg holds in the palm the fixed bolster and is used for being connected with the seat, the improvement of doing is, connecting rod adjustment mechanism includes: the connecting rod adjusting mechanism and the two groups of symmetrically arranged angle adjusting mechanisms;
the connecting rod adjustment mechanism is used for supporting leg support apron, connecting rod adjustment mechanism includes: the two groups of symmetrically arranged link mechanisms, a link base connected with the bottom of the leg support cover plate, a reset spring used for resetting the link mechanisms, and an angle modulation connecting shaft arranged between the two groups of link mechanisms and used for being connected with the angle modulation mechanism, wherein the free ends of the two link mechanisms on one side of the link mechanisms are hinged on the leg support fixing support, the free ends of the two link mechanisms on the other end of the link mechanisms are hinged on the hinging base, the two ends of the reset spring are respectively connected with the free ends on the two sides of the link mechanisms, and the two ends of the angle modulation connecting shaft are rotationally connected with the two groups of link mechanisms;
the angle modulation mechanism is used for at least one angle adjustment of link mechanism, the angle modulation mechanism includes: the leg support fixing support comprises a fixing arm connected with the leg support fixing support and a moving arm rotationally connected with the fixing arm through a pawl limiting mechanism, wherein an angle adjusting chute connected with an angle adjusting connecting shaft is formed in the moving arm, and the angle adjusting connecting shaft slides in the angle adjusting chute;
the pawl limiting mechanism comprises: a hinge shaft connecting the fixed arm and the moving arm, a group of pawl grooves symmetrically arranged on the fixed arm around the hinge shaft, pawl sheets arranged on the moving arm and positioned in the pawl grooves, pawl pressure springs connected with the inner walls of the pawl grooves are arranged on the pawl sheets, the one side that keeps away from the articulated shaft in the pawl groove is provided with the tooth's socket, the one end in the pawl groove is provided with pawl inclined plane that resets, the other end in the pawl groove is provided with the pawl and pushes away the cambered surface.
As a preferred aspect of the present invention, the link mechanism includes: the novel leg support comprises a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, wherein the first connecting rod is hinged to the second connecting rod, the second connecting rod is hinged to the third connecting rod, the free ends of the first connecting rod and the third connecting rod are connected with a connecting rod base through hinge shafts, the free ends of the second connecting rod and the fourth connecting rod are connected with the hinged ends of a leg support fixing support through hinge shafts, and the first connecting rod and the fourth connecting rod are connected in a rotating mode through angle adjusting connecting shafts.
Preferably, the two ends of the return spring are mounted at two free ends of the first group of connecting rods or the second group of connecting rods.
The invention has the advantages and positive effects that:
1. the connecting rod adjusting mechanism is manually adjusted, is suitable for being arranged on a manual seat or a seat inconvenient to connect, and can realize adjustment of multiple angles by adopting a six-connecting-rod mechanism matching angle adjusting mechanism consisting of a connecting rod base, a leg support fixing bracket, a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod. The front end of the leg support is manually lifted upwards by manual driving, the leg support can be lifted upwards by a certain angle, a plurality of gears are arranged, the number of the gears can be set according to the needs, when the leg support needs to be folded, the leg support is lifted upwards to the highest position, and after the hand is loosened, the leg support can return to the initial position under the double functions of a reset spring and gravity;
2. the invention has the advantages of simple structure, small occupied space, low manufacturing cost, rapid and convenient adjustment, no need of motor drive, suitability for manual seat installation and the like.
Drawings
FIG. 1 is a schematic view of the overall structure of a leg rest according to the present invention;
FIG. 2 is a second schematic diagram of the overall structure of the leg rest of the present invention;
FIG. 3 is a schematic view of the overall structure of the link adjustment mechanism of the present invention;
FIG. 4 is a schematic view of the overall structure of the recliner mechanism of the present invention;
fig. 5 is a second schematic view of the whole structure of the angle adjusting mechanism of the present invention.
Reference numerals: leg rest cover plate 1, rest fixed support 2, link adjustment mechanism 3, first link 301, second link 302, third link 303, fourth link 304, link base 305, return spring 306, angle adjustment connecting shaft 307, fixed arm 401, moving arm 402, angle adjustment chute 403, hinge shaft 404, pawl slot 405, pawl tab 406, pawl pressure spring 407, tooth slot 408, pawl return ramp 409, pawl push to arc 410.
Detailed Description
In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that such embodiment(s) may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate describing one or more embodiments.
Referring to fig. 1-5, the present embodiment provides a manual adjustment leg rest mechanism for an automobile seat, comprising: the leg support cover plate 1, the leg support fixed bolster 2, the connecting rod adjustment mechanism 3 of constituteing by connecting rod adjustment mechanism and two sets of angle modulation mechanism, the leg support cover plate 1 is used for supporting the shank, and the leg support fixed bolster 2 is used for with seat fixed connection, connecting rod adjustment mechanism 3 is used for adjusting the position of leg support cover plate 1 on leg support fixed bolster 2. The link adjustment mechanism includes: the two groups of link mechanisms respectively consisting of a first link 301, a second link 302, a third link 303 and a fourth link 304, a link base 305 connected with the bottom of the leg support cover plate 1 through bolts, a return spring 306 used for resetting the link mechanisms, and an angle adjusting connecting shaft 307 arranged between the two groups of link mechanisms and used for being connected with the angle adjusting mechanism, wherein the first link 301 and the second link 302 are hinged to form a first group of links, the third link 303 and the fourth link 304 are hinged to form a second group of links, the free ends of the first link 301 and the third link 303 are connected with the link base 305 through hinge shafts, the free ends of the second link 302 and the fourth link 304 are connected with the outer side hinge ends of the leg support fixing support 2 through hinge shafts, and hinge points between the first link 301 and the fourth link 304 are rotatably connected through the angle adjusting connecting shaft 307. The two ends of the angle adjusting connecting shaft 307 are rotatably connected to the hinge points of the two sets of first connecting rods 301 and the fourth connecting rods 304. The return spring 306 is mounted at both ends thereof on the free ends of the first link 301 and the second link 302, and may be connected by rivets, screws, or the like.
Referring to fig. 4-5, two sets of angle adjusting mechanisms provided in this embodiment are used for multiple angle adjustments of the link mechanism, and the two sets of angle adjusting mechanisms respectively include: the leg support fixing support comprises a fixing arm 401 connected with the inner side of a leg support fixing support 2 through a bolt, and a moving arm 402 rotationally connected with the fixing arm 401 through a pawl limiting mechanism, wherein an angle adjusting chute 403 connected with an angle adjusting connecting shaft 307 is formed in the moving arm 402, and the angle adjusting connecting shaft 307 can slide back and forth in the angle adjusting chute 403. Pawl stop gear includes: the movable arm comprises a hinge shaft 404 for connecting the fixed arm and the movable arm, a group of two pawl grooves 405 which are formed in the fixed arm 401 and symmetrically arranged around the hinge shaft 404, pawl sheets 406 which are arranged on the movable arm 402 and positioned in the pawl grooves 405, pawl compression springs 407 which are connected with the inner walls of the pawl grooves 405 are arranged on the pawl sheets 406, tooth grooves 408 are formed in one sides, away from the hinge shaft 404, of the pawl grooves 405, pawl reset inclined planes 409 are formed in one ends of the pawl grooves 405, and pawl pushing cambered surfaces 410 are formed in the other ends of the pawl grooves 405. The pawl 406 has two functions, namely, one is a clamping position, a tooth slot 408 of the pawl slot 405 can be clamped, the other is a falling position, after falling, the pawl 406 is a certain distance from the pawl slot 405 and cannot be clamped, when moving to the limit position, the pawl is pushed to the cambered surface 410 to push the pawl 406, when moving to the other end, the pawl reset inclined surface 409 resets the pawl 406 to a normal state, and the pawl pressure spring 407 plays a role in assisting in resetting in the movement process of the pawl 406.
Working principle: the leg support cover plate 1 and the leg support fixing support 2 are connected through a connecting rod adjusting mechanism of the connecting rod adjusting mechanism 3, and the manually-pulled connecting rod adjusting mechanism is supported and limited by corresponding angles through two groups of angle adjusting mechanisms. The connecting rod adjusting mechanism adopts a six-connecting-rod mechanism matching angle adjusting mechanism consisting of a connecting rod base 305, a leg support fixing bracket 2, a first connecting rod 301, a second connecting rod 302, a third connecting rod 303 and a fourth connecting rod 304, and can realize adjustment of a plurality of angles. By adopting manual driving, the leg support cover plate 1 is manually lifted upwards, the leg support cover plate 1 can be lifted upwards for a certain angle under the support of a six-bar mechanism, a plurality of gears can be set by adjusting the number of tooth grooves 408 in the pawl limiting mechanism, the number of the gears can be set according to the needs, when the leg support cover plate 1 needs to be folded, the leg support cover plate 1 is lifted upwards to the highest position, and the leg support cover plate 1 can return to the initial position after the hands are loosened under the double actions of the reset spring 306 and the gravity.
The foregoing is merely illustrative embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present invention, and the invention should be covered. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (3)
1. A manual adjustment leg rest mechanism for an automotive seat, comprising: leg holds in palm apron, connects leg to hold in palm the connecting rod adjustment mechanism of apron and leg support fixed bolster, leg holds in the palm the apron and is used for supporting the shank, leg holds in the palm the fixed bolster and is used for being connected with the seat, its characterized in that, connecting rod adjustment mechanism includes: the connecting rod adjusting mechanism and the two groups of symmetrically arranged angle adjusting mechanisms;
the connecting rod adjustment mechanism is used for supporting leg support apron, connecting rod adjustment mechanism includes: the two groups of symmetrically arranged link mechanisms, a link base connected with the bottom of the leg support cover plate, a reset spring used for resetting the link mechanisms, and an angle modulation connecting shaft arranged between the two groups of link mechanisms and used for being connected with the angle modulation mechanism, wherein the free ends of the two link mechanisms on one side of the link mechanisms are hinged on the leg support fixing support, the free ends of the two link mechanisms on the other end of the link mechanisms are hinged on the hinging base, the two ends of the reset spring are respectively connected with the free ends on the two sides of the link mechanisms, and the two ends of the angle modulation connecting shaft are rotationally connected with the two groups of link mechanisms;
the angle modulation mechanism is used for at least one angle adjustment of link mechanism, the angle modulation mechanism includes: the leg support fixing support comprises a fixing arm connected with the leg support fixing support and a moving arm rotationally connected with the fixing arm through a pawl limiting mechanism, wherein an angle adjusting chute connected with an angle adjusting connecting shaft is formed in the moving arm, and the angle adjusting connecting shaft slides in the angle adjusting chute;
the pawl limiting mechanism comprises: a hinge shaft connecting the fixed arm and the moving arm, a group of pawl grooves symmetrically arranged on the fixed arm around the hinge shaft, pawl sheets arranged on the moving arm and positioned in the pawl grooves, pawl pressure springs connected with the inner walls of the pawl grooves are arranged on the pawl sheets, the one side that keeps away from the articulated shaft in the pawl groove is provided with the tooth's socket, the one end in the pawl groove is provided with pawl inclined plane that resets, the other end in the pawl groove is provided with the pawl and pushes away the cambered surface.
2. The manual adjustment leg rest mechanism of an automotive seat of claim 1, wherein the linkage mechanism comprises: the novel leg support comprises a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, wherein the first connecting rod is hinged to the second connecting rod, the second connecting rod is hinged to the third connecting rod, the free ends of the first connecting rod and the third connecting rod are connected with a connecting rod base through hinge shafts, the free ends of the second connecting rod and the fourth connecting rod are connected with the hinged ends of a leg support fixing support through hinge shafts, and the first connecting rod and the fourth connecting rod are connected in a rotating mode through angle adjusting connecting shafts.
3. A manual adjustment leg rest mechanism for automotive seats as claimed in claim 2, wherein the return springs are mounted at both free ends of either the first or second set of links.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310689509.0A CN116424191B (en) | 2023-06-12 | 2023-06-12 | Manual leg support adjusting mechanism of automobile seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310689509.0A CN116424191B (en) | 2023-06-12 | 2023-06-12 | Manual leg support adjusting mechanism of automobile seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116424191A true CN116424191A (en) | 2023-07-14 |
| CN116424191B CN116424191B (en) | 2023-09-19 |
Family
ID=87081852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310689509.0A Active CN116424191B (en) | 2023-06-12 | 2023-06-12 | Manual leg support adjusting mechanism of automobile seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116424191B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4090264A (en) * | 1976-11-26 | 1978-05-23 | Thompson Johnnie W | Leg prosthesis |
| DE2701573A1 (en) * | 1977-01-15 | 1978-07-20 | Neumueller Konrad | Easily adjusted office chair esp. of swivel type - has interconnected foot rest and seat linked by setting device for correlated movement |
| JPH08266370A (en) * | 1995-03-31 | 1996-10-15 | Tachi S Co Ltd | Interlocked footrest for swing seat |
| US20050012377A1 (en) * | 2003-07-16 | 2005-01-20 | Aisin Seiki Kabushiki Kaisha | Seat apparatus for vehicle |
| CN202966024U (en) * | 2011-11-07 | 2013-06-05 | 爱信精机株式会社 | Seat adjusting device for vehicles |
| JP5682989B1 (en) * | 2014-09-12 | 2015-03-11 | 備前発条株式会社 | Ottoman |
| CN107264352A (en) * | 2017-06-20 | 2017-10-20 | 合肥云鹤安道拓汽车座椅有限公司 | A kind of automotive seat pedipulator support mechanism with gear-adjustable |
| CN107962993A (en) * | 2017-12-13 | 2018-04-27 | 湖北航嘉麦格纳座椅系统有限公司 | A kind of automotive seat and its leg support adjusting mechanism |
| KR20200021041A (en) * | 2018-08-16 | 2020-02-27 | (주)디디디 | Apparatus for extending of seat-cushion and vehicle seat comprising the same |
| CN111660902A (en) * | 2020-07-13 | 2020-09-15 | 江苏忠明祥和精工股份有限公司 | Leg support adjusting structure of automobile seat |
| CN112262270A (en) * | 2018-08-08 | 2021-01-22 | 宝马股份公司 | Clutch assembly for a motor vehicle drive train and motor vehicle drive train |
| CN215793352U (en) * | 2021-07-28 | 2022-02-11 | 长春一汽富晟李尔汽车座椅系统有限公司 | Four-way leg support structure of automobile seat |
| CN114132238A (en) * | 2020-08-12 | 2022-03-04 | 现代自动车株式会社 | Leg rest device |
| WO2023024816A1 (en) * | 2021-08-26 | 2023-03-02 | 延锋国际汽车技术有限公司 | Zero-gravity seat structure |
-
2023
- 2023-06-12 CN CN202310689509.0A patent/CN116424191B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4090264A (en) * | 1976-11-26 | 1978-05-23 | Thompson Johnnie W | Leg prosthesis |
| DE2701573A1 (en) * | 1977-01-15 | 1978-07-20 | Neumueller Konrad | Easily adjusted office chair esp. of swivel type - has interconnected foot rest and seat linked by setting device for correlated movement |
| JPH08266370A (en) * | 1995-03-31 | 1996-10-15 | Tachi S Co Ltd | Interlocked footrest for swing seat |
| US20050012377A1 (en) * | 2003-07-16 | 2005-01-20 | Aisin Seiki Kabushiki Kaisha | Seat apparatus for vehicle |
| CN202966024U (en) * | 2011-11-07 | 2013-06-05 | 爱信精机株式会社 | Seat adjusting device for vehicles |
| JP5682989B1 (en) * | 2014-09-12 | 2015-03-11 | 備前発条株式会社 | Ottoman |
| CN107264352A (en) * | 2017-06-20 | 2017-10-20 | 合肥云鹤安道拓汽车座椅有限公司 | A kind of automotive seat pedipulator support mechanism with gear-adjustable |
| CN107962993A (en) * | 2017-12-13 | 2018-04-27 | 湖北航嘉麦格纳座椅系统有限公司 | A kind of automotive seat and its leg support adjusting mechanism |
| CN112262270A (en) * | 2018-08-08 | 2021-01-22 | 宝马股份公司 | Clutch assembly for a motor vehicle drive train and motor vehicle drive train |
| KR20200021041A (en) * | 2018-08-16 | 2020-02-27 | (주)디디디 | Apparatus for extending of seat-cushion and vehicle seat comprising the same |
| CN111660902A (en) * | 2020-07-13 | 2020-09-15 | 江苏忠明祥和精工股份有限公司 | Leg support adjusting structure of automobile seat |
| CN114132238A (en) * | 2020-08-12 | 2022-03-04 | 现代自动车株式会社 | Leg rest device |
| CN215793352U (en) * | 2021-07-28 | 2022-02-11 | 长春一汽富晟李尔汽车座椅系统有限公司 | Four-way leg support structure of automobile seat |
| WO2023024816A1 (en) * | 2021-08-26 | 2023-03-02 | 延锋国际汽车技术有限公司 | Zero-gravity seat structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116424191B (en) | 2023-09-19 |
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Address after: 130000 No. 2222, Fengyue Road, automobile economic and Technological Development Zone, Changchun City, Jilin Province Patentee after: Changchun Fusheng Li'er Automotive Seat System Co.,Ltd. Country or region after: China Address before: 130000 No. 2222, Fengyue Road, automobile economic and Technological Development Zone, Changchun City, Jilin Province Patentee before: CHANGCHUN FAW RICH SHENG LEAR AUTOMOTIVE SYSTEMS Co.,Ltd. Country or region before: China |