CN114506254B - Seat leg holds in palm mechanism and seat - Google Patents
Seat leg holds in palm mechanism and seat Download PDFInfo
- Publication number
- CN114506254B CN114506254B CN202210237778.9A CN202210237778A CN114506254B CN 114506254 B CN114506254 B CN 114506254B CN 202210237778 A CN202210237778 A CN 202210237778A CN 114506254 B CN114506254 B CN 114506254B
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- sliding
- connecting rod
- seat
- hinge
- holding part
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- 230000007246 mechanism Effects 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
Abstract
The application discloses a seat leg support mechanism and a seat, wherein a hinge device is arranged on a seat framework; the lifting arms are movably arranged on the seat framework by means of the hinge devices; the lifting arm is provided with a first sliding holding part and a second sliding holding part; one end of the first connecting rod is hinged to the seat framework; the first sliding part and the second sliding part are positioned between the two lifting arms, and the first sliding part passes through the first sliding maintaining part and is hinged with one end, far away from the seat framework, of the connecting rod; both ends of the second sliding component are arranged in the second sliding holding part in a sliding way; the first sliding component and the second sliding component are respectively provided with a first sliding left-right direction holding part and a fourth sliding holding part, and the first sliding left-right direction holding part and the fourth sliding holding part are perpendicular to the extending direction of the lifting arm; one end, close to the seat framework, of the second connecting rod and one end, far away from the seat framework, of the third connecting rod are hinged with the lifting arms, and the other ends of the second connecting rod and the third connecting rod are respectively and movably connected in the fourth sliding retaining part; the driver drives the lifting arm to rotate.
Description
Technical Field
The application belongs to the technical field of automobile seats, and particularly relates to a seat leg support mechanism and a seat.
Background
With the continuous improvement of the requirements of people on passenger car comfort and space, the people put forward higher requirements on the comfort of the seat, and the leg support mechanism is provided on many vehicle types, and the sense of suspending the lower leg is reduced through the support of the lower leg of a human body, so that the discomfort of the leg generated in the long-time driving process is reduced, and the riding comfort is improved.
The leg support adjusting device for the seat disclosed in the prior art mainly comprises an angle adjuster and a connecting rod mechanism, wherein a fixing piece of the angle adjuster is used for being connected with a fixing piece of the seat, a power input rod of the connecting rod mechanism is connected with a rotating output piece of the angle adjuster, and a power output rod of the connecting rod mechanism is used for being connected with a leg support so as to adjust the posture of the leg support to be switched between an extending state and a retracting state. The angle adjuster is adopted as the motion output component, and the device has the characteristics of simple and reliable structure, and obviously, compared with the scheme of adopting a screw-nut mechanism as the motion output, the device occupies smaller space and is convenient for overall arrangement in a vehicle; meanwhile, more passenger activity space is reserved, and reliability guarantee is improved for improving user experience. In addition, the angle adjuster is a closed part, can prevent dust and sundries and has lower maintenance cost. However, the motor is fixed with the driving rod, the motor needs to stretch out along with the driving rod, and the whole leg support mechanism occupies a large space after stretching, and is relatively bulky.
In addition, the prior art also discloses another seat and leg rest mechanism thereof, wherein, this leg rest mechanism includes: the driving assembly is arranged on the fixed bracket; the leg support assembly comprises a first leg support assembly and a second leg support assembly, wherein a first one of the first leg support assembly and the second leg support assembly is provided with a sliding fit part with a hole pattern or a groove pattern, the second leg support assembly is in sliding connection with the first leg support assembly along the extending direction of the sliding fit part, and the upper end part of the first leg support assembly forms a first hinge point; the connecting beam assembly comprises a power input part and a power output part, the power input part is connected with a driving part of the driving assembly, the power output part is connected with the second leg support assembly, and when the driving assembly is started, the power output part can drive the first leg support assembly to rotate relative to the first hinge point so as to enable the leg support assembly to be switched between a retracted state and an extended state; in addition, in the extended state, the second leg rest assembly extends relative to the first leg rest assembly, and in the retracted state, the second leg rest assembly retracts relative to the first leg rest assembly. However, due to the special arrangement of the connecting rod structure, certain rotating joints need to pass through dead points in the sliding process, and the adjustment is not smooth.
Based on the above problems, this company proposes a new leg rest mechanism.
Disclosure of Invention
The application aims to provide a seat leg support mechanism and a seat, which aim to solve the technical problems in the background technology.
In order to solve the technical problems, the aim of the application is realized as follows:
a seat leg rest mechanism comprising a hinge, a lift arm, a first link, a first slide member, a second link, a third link, a second slide member, and a driver;
the hinge device is arranged on the seat framework;
the lifting arm is hinged with the seat framework through the hinge; the lifting arm is provided with a first sliding retaining part and a second sliding retaining part in parallel along the extending direction;
one end of the first connecting rod is hinged to the seat framework; the other end is hinged with the first sliding part;
a first sliding member and a second sliding member, the first sliding member and the second sliding member being located between the two lift arms, the first sliding member partially passing through the first sliding retaining portion; the second sliding member passes through the second sliding holding portion; the first sliding component and the second sliding component are respectively provided with a first sliding left-right direction holding part and a fourth sliding holding part, and the first sliding left-right direction holding part and the fourth sliding holding part are perpendicular to the extending direction of the lifting arm;
a second link and a third link; the second connecting rod and the third connecting rod are overlapped in a scissor shape, one end of the second connecting rod and the third connecting rod, which is close to the seat framework, is respectively hinged with the lifting arm, and one end of the second connecting rod, which is far away from the seat framework, is respectively movably connected in the fourth sliding holding part; the second connecting rod and the third connecting rod are respectively provided with a second connecting rod sliding maintaining part and a third connecting rod sliding maintaining part, and the second connecting rod sliding maintaining part and the third connecting rod sliding maintaining part are movably arranged in the first sliding left-right direction maintaining part;
the driver drives the two lifting arms to synchronously rotate around the axis of the hinge, so that the first sliding part and the second sliding part are far away from or close to the seat framework along the extending direction of the first sliding retaining part and the second sliding retaining part of the lifting arms.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the seat backrest comprises a seat framework, a seat backrest and a fixing bracket, wherein the seat framework is fixedly arranged at one end far away from the seat backrest; the hinge device is arranged on the fixed bracket; the lifting arm is hinged to the fixed support by means of the hinge.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the first sliding holding part and the second sliding holding part are linear or curved sliding grooves formed in the lifting arms.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the lifting arm is provided with a hinge shaft, the second connecting rod is provided with a second connecting rod hinge hole, the third connecting rod is provided with a third connecting rod hinge hole, and the second connecting rod hinge hole and the third connecting rod hinge hole are hinged to the lifting arm through the hinge shaft.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: a second connecting rod hinge shaft is arranged at one end, far away from the second connecting rod hinge hole, of the second connecting rod, and a third connecting rod hinge shaft is arranged at one end, far away from the third connecting rod hinge hole, of the third connecting rod; the fourth sliding holding part is a straight line or a curve chute, and the second connecting rod hinge shaft and the third connecting rod hinge shaft are arranged in the fourth sliding holding part in a sliding way.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the first sliding left-right direction holding part is a straight line or a curve chute, and the second connecting rod sliding holding part and the third connecting rod sliding holding part are arranged in the first sliding left-right direction holding part in a sliding way.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the driver is any one of an angle modulation motor, an air rod, an air cylinder and a push rod motor.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the lifting arm is characterized by further comprising a middle connecting rod, wherein two ends of the middle connecting rod are respectively fixedly connected, clamped or meshed with the lifting arm, so that the middle connecting rod and the lifting arm synchronously rotate.
Also disclosed is an automobile seat comprising the seat leg support mechanism.
Compared with the prior art, the application has the following outstanding and beneficial technical effects: 1 provides a brand new leg support mechanism, realizes the extension of the biggest range of leg support, avoids former leg support because the connecting rod structure passes through motion dead point, the unsmooth problem of regulation that causes. 2 solve leg support and expand the back, excessively occupy the space problem, influence pleasing to the eye. 3 provide various driving modes such as manual or electric functions.
Drawings
FIG. 1 is a schematic view of the overall structure of the present seat;
FIG. 2 is a schematic view of the overall structure of the present application;
FIG. 3 is a schematic view of the extended state of the present application;
FIG. 4 is a disassembled view of the leg rest mechanism of the present application;
FIG. 5 is a schematic view of a first slide member structure;
FIG. 6 is a schematic view of a second slide member structure;
FIG. 7 is a schematic illustration of the second link and the third link;
FIG. 8 is a mechanical schematic of the lifting portion of the leg rest mechanism;
FIG. 9 is a mechanical schematic of an extension of the leg rest mechanism;
FIG. 10 is a schematic diagram of a leg rest mechanism employing an air bar/cylinder drive mechanism;
fig. 11 is a schematic diagram of a leg rest mechanism employing a lead screw drive mechanism.
A seat frame, a 2-leg support mechanism, a 21 fixed bracket, a 22 articulation, a 23 lifting arm, a 231 first slide holding portion, a 232 second slide holding portion, a 24 first link, a 25 first slide member, a 251 first slide extension direction holding portion, a 252 first slide left-right direction holding portion, a 26 second link, a 261 second link articulation hole, a 262 second link slide holding portion, a 263 second link articulation shaft, a 27 third link, a 271 third link articulation hole, a 272 third link slide holding portion, a 273 third link articulation shaft, a 28 second slide member, a 281 second slide extension direction holding portion, a 282 second slide left-right direction holding portion, a 29 actuator, a 30 intermediate link, an O ' actuator fixed point rotation axis, an O '1 lifting arm rotation axis, an O '2 link 24 and leg support fixed bracket 21 articulation rotation axis, an O '3 first link and first slide member 25 articulation point rotation axis, an O '4 arm and third link articulation point rotation axis, an O '5 arm and second link rotation axis, an O '6 and second slide member rotation axis 7 and a second slide extension axis; the drawing has (the reference numerals with R, L are parts which are symmetrically arranged on the left side and the right side of the seat frame).
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings of embodiment 28, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, based on the examples given, which a person of ordinary skill in the art would obtain without making any inventive effort, are within the scope of the application.
In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application.
In the description of the present application, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
A leg rest mechanism 2 for a seat includes an articulation 22, a lift arm 23, a link 24, a first slide member 25, a link 26, a link 27, a second slide member 28, and a driver 29.
Symmetrically arranged hinges 22, wherein the hinges 22 are arranged on the seat framework 1; the lifting arms 23 are symmetrically arranged, and the lifting arms 23 are movably arranged on the seat framework by means of the hinges 22; the seat backrest is characterized by also preferably comprising a fixed bracket 21, wherein the fixed bracket 21 is fixedly arranged at one end, far away from the seat backrest, of the seat framework; the hinge 22 is mounted on the fixed bracket 21; the lifting arm 23 is hinged to the fixed bracket 21 by means of a hinge 22. In the present embodiment, the fixing bracket 21 is preferably fixed to the seat frame 1 by fastening with bolts, caulking, welding, or the like. It should be noted in particular that: the fixing bracket 21 may also be integrated directly into the seat frame, the hinge 22 being hinged directly to the seat frame 1. Also, the hinge 22 in the present embodiment may be a rivet or a member capable of holding the rotation of the axis, such as a recliner, and the present application preferably employs a recliner assembly.
The first connecting rod 24, one end of the first connecting rod 24 is hinged on the fixed bracket 21. Each lift arm 23 is provided with a first slide holding portion 231 and a second slide holding portion 232 in parallel along the extending direction thereof; the retaining part is used for ensuring the motion sustainability, and can be a straight line or a curve, the specific shape can be a straight line chute or a guide rod, and the first sliding retaining part 231 and the second sliding retaining part 232 are preferably selected to be the straight line chute arranged on the lifting arm 23.
A first slide member 25 and a second slide member 28, the first slide member 25 and the second slide member 28 being located between the two lift arms 23, the first slide member 25 being partially hinged to one end of the link 24 remote from the seat frame after passing through the first slide retaining portion 231; both ends of the second sliding member 28 are slidably disposed in the second slide holding portion 232; the first slide member 25 and the second slide member 28 are provided with a first slide left-right direction holding portion 252 and a fourth slide holding portion 282, respectively, and the first slide left-right direction holding portion 252 and the fourth slide holding portion 282 are perpendicular to the extending direction of the lift arm 23. In the present embodiment, the first link 24 is preferably hinged to the fixed bracket 21 and also to the first slide member 25. It should be noted in particular that: the link 24 may also be directly hinged to the seat frame assembly 1, the key being whether the fixed bracket 21 is to be understood as part of the seat frame 1. I.e. the pivot axis O'2 of the second link 24 to the fixed bracket 21 may be either on the fixed bracket 21 or on the seat frame 1.
A second link 26 and a third link 27; the second connecting rod 26 and the third connecting rod 27 are overlapped in a scissor shape, one end of the second connecting rod and one end of the third connecting rod, which are close to the seat framework, are respectively hinged with the lifting arms 23, and one end of the second connecting rod and one end of the third connecting rod, which are far away from the seat framework, are respectively movably connected in the fourth sliding holding part 282; the second link 26 and the third link 27 are respectively provided with a second link sliding maintaining part 262 and a third link sliding maintaining part 272 at the overlapping position and between the two and the hinge joint of the lifting arm 23, and the second link sliding maintaining part 262 and the third link sliding maintaining part are movably arranged in the first sliding left-right direction maintaining part 252; the lifting arm 23 is provided with a hinge shaft, the second link 26 is provided with a second link hinge hole 261, the third link 27 is provided with a third link hinge hole 271, and the second link hinge hole 261 and the third link hinge hole 271 are hinged to the lifting arm 23 through the hinge shaft. A second link hinge shaft 263 is provided at an end of the second link 26 remote from the second link hinge hole 261, and a third link hinge shaft 263 is provided at an end of the third link 27 remote from the third link hinge hole 271; the fourth slide holding portion 282 is a linear or curved chute, preferably a linear chute. The second link hinge shaft 263 and the third link hinge shaft 263 are slidably provided in the fourth slide holding portion 282. In the present embodiment, the first sliding left-right direction holding portion 252 is a linear or curved chute, preferably a linear chute. The second link sliding holding portion 262 and the third link sliding holding portion 272 are slidably provided in the first sliding left-right direction holding portion 252. The first slide member 25 is hinged to the first link 24 through a hinge point rotation axis O'3 of the first link 24 to the first slide member 25. Specifically, the first sliding extension direction holding portion 251 is engaged with the first sliding holding portion 231, and the first sliding left-right direction holding portion 252 is engaged with the second link sliding holding portion 262 and the third link sliding holding portion 272, respectively; the second link hinge hole 261 is hinged to the lift arm 23 through a lift arm 23 and a second link hinge point rotation axis O '5, the link slip holding portion 262 is hinge-engaged with the first slide left-right direction holding portion 252 on the first slide member 25, and the link hinge shaft 263 is hinge-engaged with the second slide left-right direction holding portion 282 of the second slide member 28 through a second link and a second slide member hinge point rotation axis O' 6. The link hinge hole 271 is hinged to the lift arm 23L through a hinge point rotation axis O '4 of the lift arm 23 and the third link 27, the link slip holding portion 272 is hinge-engaged with the first slide left-right direction holding portion 252 on the first slide member 25, and the link hinge shaft 263 is hinge-engaged with the second slide left-right direction holding portion 282 of the second slide member 28 through a second link and second slide member hinge point rotation axis O' 6. The second slide extension direction holding portion 281 is engaged with the second slide holding portion 232 on the lift arm 23, the second slide right and left direction holding portion 282 is hinged to the third link hinge shaft 273 of the third link 27 through the second link and second slide member hinge point rotation axis O '7, and the second slide right and left direction holding portion 282 is hinged to the second link hinge shaft 263 of the second link 26 through the second link and second slide member hinge point rotation axis O' 6.
The driver 29, the driver 29 drives the two lifting arms 23 to rotate synchronously around the axis of the hinge 22, so that the first slide member 25 and the second slide member 28 are far from or near to the seat frame along the extending direction of the first slide holding portion 231 and the second slide holding portion 232 of the lifting arms 23. The driver 29 is any one of an angle modulation motor, an air rod, an air cylinder and a push rod motor; when the driver 29 is an air rod/air cylinder, the air rod/air cylinder drives the lifting arm 23 to rotate upwards and downwards through the change of the extension length; as in fig. 10. When the driver 29 is a screw motor, the screw motor drives the lifting arm 23 to rotate upward and downward by changing the length of the extended screw, as shown in fig. 11. This embodiment is preferably a recliner motor, see fig. 8.
And further comprises a middle connecting rod 30, wherein two ends of the middle connecting rod 30 are fixedly connected, clamped or meshed with the lifting arms 23 respectively, so that the middle connecting rod 30 and the lifting arms 23 synchronously rotate.
The working principle of the embodiment is as follows: the driver 29 is an angle adjusting motor, and the angle adjusting motor drives the articulators 22 on the left side and the right side to synchronously rotate through the middle connecting rod 30 so as to drive the lifting arms 23 on the left side and the right side to rotate upwards.
During the upward lifting of the lifting arm 23, the first slide extension direction holding portion 251 slides forward in the first slide holding portion 231 of the lifting arm 23 due to the first link 24. At the same time, since the lift arm 23 is hinged to the second link 26 and the third link 27, the second link 26 and the third link 27 are engaged with the first slide member 25, and the second link 26 and the third link 27 are engaged with the second slide member 28, the second slide member 28 slides forward in the second slide holding portion 232 of the lift arm 23. Thus, based on the above-mentioned fitting relation of the joints, the second slide member 28 is simultaneously moved forward in the process of raising the lift arm 23 upward, thereby realizing the functions of rotation opening and extension of the leg rest mechanism 2. Conversely, the leg rest mechanism 2 can be recovered by driving the reverse rotation of the lever 29. Therefore, the maximum extension of the leg support is realized through the application, and the problem of unsmooth adjustment caused by the fact that the conventional leg support passes through a motion dead point due to a connecting rod structure is avoided; the problem of excessively occupation space after the leg support is unfolded is solved, and the attractiveness is influenced. Flexible implementations provide a variety of driving modes.
Example two
In addition, a plurality of driving modes are provided so as to realize manual and electric functions.
The difference from the first embodiment is that the intermediate link 30 is provided with a rotating part, the rotating part is exposed outwards through the hinge and the fixed bracket, and the leg rest mechanism 2 can be opened and retracted by installing manual driving components such as a crank on the intermediate link 30 to drive the intermediate link 30 to rotate forward and backward. Preferably, the middle connecting rod 30 is in a spline shaft structure, the spline shaft is matched with the hinge, and a spline groove is formed in the crank, so that the end parts of the crank and the middle connecting rod 30 are assembled to drive the middle connecting rod 30 to rotate, and the leg rest mechanism 2 is opened and retracted. Therefore, the manual function is further increased, and more configuration selection space is provided for a vehicle enterprise or a user.
Example III
Also disclosed is an automobile seat comprising the leg rest mechanism 2 in the first and second embodiments; thereby the automobile seat has the function of leg support.
The above embodiments are only preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (8)
1. A seat leg holds in palm mechanism, its characterized in that: comprises a hinge (22), a lifting arm (23), a first connecting rod (24), a first sliding component (25), a second connecting rod (26), a third connecting rod (27), a second sliding component (28) and a driver (29);
a hinge (22), the hinge (22) being mounted to the seat frame;
a lifting arm (23), wherein the lifting arm (23) is hinged with the seat framework through the hinge (22); the lifting arm (23) is provided with a first sliding holding part (231) and a second sliding holding part (232) in parallel along the extending direction;
a first connecting rod (24), wherein one end of the first connecting rod (24) is hinged to the seat framework; the other end is hinged with the first sliding part (25);
a first sliding member (25) and a second sliding member (28), the first sliding member (25) and the second sliding member (28) being located between the two lift arms (23), the first sliding member (25) passing partially through the first sliding holding portion (231); the second sliding member (28) passes through the second sliding holding portion (232); the first sliding member (25) and the second sliding member (28) are respectively provided with a first sliding left-right direction holding part (252) and a fourth sliding holding part (282), and the first sliding left-right direction holding part (252) and the fourth sliding holding part (282) are perpendicular to the extending direction of the lifting arm (23);
a second link (26) and a third link (27); the second connecting rod (26) and the third connecting rod (27) are overlapped in a scissor shape, one end of the second connecting rod and the third connecting rod, which is close to the seat framework, is respectively hinged with the lifting arm (23), and one end of the second connecting rod and the third connecting rod, which is far away from the seat framework, is respectively movably connected in the fourth sliding holding part (282); the second connecting rod (26) and the third connecting rod (27) are respectively provided with a second connecting rod sliding maintaining part (262) and a third connecting rod sliding maintaining part (272), and the second connecting rod sliding maintaining part (262) and the third connecting rod sliding maintaining part (272) are movably arranged in the first sliding left-right direction maintaining part (252);
a driver (29), wherein the driver (29) drives the two lifting arms (23) to synchronously rotate around the axis of the hinge (22) so as to enable the first sliding part (25) and the second sliding part (28) to be far away from or close to the seat framework along the extending direction of the first sliding maintaining part (231) and the second sliding maintaining part (232) of the lifting arms (23);
a second connecting rod hinge shaft (263) is arranged at one end, far away from the second connecting rod hinge hole (261), of the second connecting rod (26), and a third connecting rod hinge shaft (273) is arranged at one end, far away from the third connecting rod hinge hole (271), of the third connecting rod (27); the fourth sliding holding part (282) is a straight line or a curve chute, and the second connecting rod hinge shaft (263) and the third connecting rod hinge shaft (273) are slidably arranged in the fourth sliding holding part (282).
2. A seat leg rest mechanism according to claim 1, wherein: the seat comprises a seat framework (1), and is characterized by further comprising a fixing bracket (21), wherein the fixing bracket (21) is fixedly arranged on the seat cushion part of the seat framework (1); the hinge (22) is mounted on the fixed bracket (21); the lifting arm (23) is hinged to the fixed support (21) by means of the hinge (22).
3. A seat leg rest mechanism according to claim 1, wherein: the first sliding holding part (231) and the second sliding holding part (232) are straight or curved sliding grooves formed in the lifting arms (23).
4. A seat leg rest mechanism as claimed in claim 2, wherein: the lifting arm (23) is provided with a hinge shaft, the second connecting rod (26) is provided with a second connecting rod hinge hole (261), the third connecting rod (27) is provided with a third connecting rod hinge hole (271), and the second connecting rod hinge hole (261) and the third connecting rod hinge hole (271) are hinged to the lifting arm (23) through the hinge shaft.
5. A seat leg rest mechanism according to claim 1, wherein: the first sliding left-right direction holding part (252) is a straight or curved chute, and the second link hinge shaft (263) and the third link hinge shaft (273) are slidably provided in the first sliding left-right direction holding part (252).
6. A seat leg rest mechanism according to claim 1, wherein: the driver (29) is any one of an angle modulation motor, an air rod, an air cylinder and a push rod motor.
7. A seat leg rest mechanism according to claim 1, wherein: the lifting arm (23) is characterized by further comprising an intermediate connecting rod (30), wherein two ends of the intermediate connecting rod (30) are respectively fixedly connected, clamped or meshed with the lifting arm (23), so that the intermediate connecting rod (30) and the lifting arm (23) synchronously rotate.
8. An automotive seat comprising a seat leg rest mechanism as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210237778.9A CN114506254B (en) | 2022-03-11 | 2022-03-11 | Seat leg holds in palm mechanism and seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210237778.9A CN114506254B (en) | 2022-03-11 | 2022-03-11 | Seat leg holds in palm mechanism and seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114506254A CN114506254A (en) | 2022-05-17 |
| CN114506254B true CN114506254B (en) | 2023-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210237778.9A Active CN114506254B (en) | 2022-03-11 | 2022-03-11 | Seat leg holds in palm mechanism and seat |
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| CN (1) | CN114506254B (en) |
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