CN114537239A - Leg rest mechanism, vehicle seat and vehicle - Google Patents

Leg rest mechanism, vehicle seat and vehicle Download PDF

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Publication number
CN114537239A
CN114537239A CN202210208377.0A CN202210208377A CN114537239A CN 114537239 A CN114537239 A CN 114537239A CN 202210208377 A CN202210208377 A CN 202210208377A CN 114537239 A CN114537239 A CN 114537239A
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CN
China
Prior art keywords
connecting rod
leg rest
pivot
rod
seat
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.)
Granted
Application number
CN202210208377.0A
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Chinese (zh)
Other versions
CN114537239B (en
Inventor
余珍珍
毛钧霆
赵磊
李威
曹振华
段雷
熊培建
李会超
门贺平
贾琼
张好
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Nobo Automotive Systems Co Ltd
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Nobo Automotive Systems Co Ltd
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Publication date
Application filed by Nobo Automotive Systems Co Ltd filed Critical Nobo Automotive Systems Co Ltd
Priority to CN202210208377.0A priority Critical patent/CN114537239B/en
Publication of CN114537239A publication Critical patent/CN114537239A/en
Application granted granted Critical
Publication of CN114537239B publication Critical patent/CN114537239B/en
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Anticipated expiration legal-status Critical

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/90Details or parts not otherwise provided for
    • B60N2/995Lower-leg-rests, e.g. calf-rests
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/40Engine management systems

Abstract

The invention provides a leg rest mechanism, a vehicle seat and a vehicle, wherein the leg rest mechanism comprises: a fixed mount; the leg support half basin is provided with a first pivot part and a second pivot part; the first connecting rod is connected with the fixed frame and the first pivot part; one end of the second connecting rod is rotatably connected with the second pivot part; and the driving assembly is connected with the other end of the second connecting rod and drives the leg support half basin to move back and forth and turn over around the second pivot part through the second connecting rod. According to the leg support mechanism, the driving piece drives the second connecting rod to drive the leg support half basin, so that the function of turning over the leg support half basin while extending is achieved, the comfort is improved, the delicacy of the seat is improved, the section difference generated by the stroke change of the leg support is not displayed on the appearance surface of the seat, the delicacy perception of the whole seat is improved, the process is simple, the number of parts is small, the overall weight of the leg support mechanism is reduced, and the production cost is reduced.

Description

Leg holds in palm mechanism, vehicle seat and vehicle
Technical Field
The invention relates to the technical field of automobiles, in particular to a leg rest mechanism, a vehicle seat and a vehicle.
Background
With the continuous development of transportation, automobiles, trains, airplanes and the like become main transportation tools for people to go out, so that the life of people is more convenient and the work is more efficient. However, higher demands are made on the comfort of riding in a vehicle, for example, passengers want to be able to adjust the angle of the seat according to their own preference and the seat is able to provide corresponding support for the legs of the passenger. Therefore, the automobile seat leg support is produced. The thigh support of the automobile seat commonly used at present is discontinuous, the appearance of the seat is delicate and poor, only the function of cushion extension is provided, the thigh part is obviously hollow, and foreign matters and dust are easily hidden at the position of the fault.
In the prior art, the thigh support is mostly of a discontinuous electric or manual structure, and the chair is simple in structure but poor in appearance delicacy.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a leg support mechanism which is simple in structure, smooth in running process, convenient to use and wide in applicable crowd.
The invention also provides a vehicle seat with the leg support mechanism.
The invention also provides a vehicle with the vehicle seat.
A leg rest mechanism according to a first aspect of the present invention is applied to a seat including a seat support, the leg rest mechanism including: the fixing frame is used for being fixedly connected with the seat support; the leg support half basin is provided with a first pivot part and a second pivot part which are arranged at intervals; one end of the first connecting rod is connected with the fixed frame, and the other end of the first connecting rod is rotatably connected with the first pivot part; a second connecting rod, one end of which is rotatably connected with the second pivot part; and the driving assembly is connected with the other end of the second connecting rod and drives the leg support half basin to move back and forth and turn over around the second pivot part through the second connecting rod.
According to the leg support mechanism, the second connecting rod is driven by the driving piece to drive the leg support half basin, so that the function of turning over the leg support half basin while extending is achieved, the contact area between the thigh support and the thigh is increased while the leg support half basin extends, the fatigue of drivers and passengers in long-time sitting postures is reduced, the comfort is improved, the section difference caused by the stroke change of the leg support is not displayed on the appearance surface of the seat, the exquisite perception of the whole seat is improved, the whole seat is more attractive in appearance, the leg support is continuously used for producing a cushion in the same mold, the process is simple, the process cost and the labor hour are reduced, the number of parts is small, the whole weight of the leg support mechanism is reduced, and the production cost is reduced.
In some embodiments, the leg rest mechanism further comprises: and one end of the third connecting rod is connected with the driving assembly, the other end of the third connecting rod is connected with the first pivot part, and the middle part of the third connecting rod is rotatably connected with the fixed frame.
In some embodiments, the leg rest mechanism further comprises: the pivot, the pivot level extends, the both ends of pivot with mount rotatable coupling, the third connecting rod cover is established in the pivot and with pivot relatively fixed.
In some embodiments, the leg rest half basin extends left and right, the first pivot portion and the second pivot portion each include two symmetrically arranged on the left and right sides of the leg rest half basin, one first connecting rod is correspondingly connected to each first pivot portion, and one second connecting rod is correspondingly connected to each second pivot portion.
In some embodiments, the leg rest mechanism further comprises: the fourth connecting rod with the third connecting rod all is perpendicular to the axis setting of pivot and connect respectively the axial both ends of pivot, the one end of fourth connecting rod with the pivot is fixed and the other end is connected adjacently first pivot portion.
In some embodiments, the leg rest mechanism further comprises: the supporting rod extends in the front-back direction and is movably arranged on the fixed frame or the seat support, and the front end of the supporting rod is connected with the second pivoting part.
In some embodiments, the support rod includes a first rod portion and a second rod portion, the first rod portion extends along the front-back direction and includes two portions spaced from each other on the left and right sides, the second rod portion extends along the left and right sides and both ends of the second rod portion are respectively connected to the front ends of the two first rod portions, and the second pivot portion is rotatably connected to the front end of the first rod portion.
In some embodiments, the fixing frame or the seat support is provided with a sleeve extending in a front-rear direction, and the rear end of the support rod is movably inserted into the sleeve.
A vehicle seat according to a second aspect of the invention includes: a seat support; according to the leg rest mechanism of the first aspect of the present invention, the leg rest mechanism is provided at the front end of the seat frame.
According to the vehicle seat, by arranging the leg rest mechanism, the function that the half basin of the leg rest is turned over while extending is achieved, the comfort is improved, the delicacy of the seat is improved, the section difference generated due to the stroke change of the leg rest is not displayed on the appearance surface of the vehicle seat, the appearance of the whole vehicle seat is more attractive, the process is simple, the number of parts is small, the overall weight of the vehicle seat is reduced, and the production cost is reduced.
A vehicle according to a third aspect of the invention includes the vehicle seat according to the above-described second aspect of the invention.
According to the vehicle provided by the embodiment of the invention, the vehicle seat in the second aspect is arranged, so that the product performance and quality of the vehicle are improved, the comfort of the seat is improved, the number of parts is reduced, the quality of the whole vehicle is reduced, and the vehicle is economical and reliable.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of a vehicle seat according to an embodiment of the present invention;
FIG. 2 is an enlarged partial schematic view of the leg rest mechanism shown in FIG. 1;
FIG. 3 is a schematic view of the leg rest mechanism shown in FIG. 1;
FIG. 4 is a schematic illustration of a side view of the leg rest mechanism shown in FIG. 2;
FIG. 5 is a schematic diagram of a cross-sectional view of the axle of the leg rest mechanism shown in FIG. 2;
FIG. 6 is a schematic illustration of a front view of the leg rest mechanism shown in FIG. 2;
fig. 7 is a schematic diagram of a partial cross-sectional view of the leg rest mechanism shown in fig. 6.
Description of reference numerals:
100. a leg rest mechanism; 101. a fixed mount; 102. the legs support half pots; 10201. a first pivot portion; 10202. a second pivot portion; 10203. welding the small rotating bracket; 103. a first link; 104. a second link; 105. a third link; 107. a support bar; 10701. a first rod portion; 10702. a second rod portion; 107021, welding a small bracket; 108. a rotating shaft; 109. a drive assembly; 10901. a motor assembly; 10902. a motor lead screw; 1010. a sleeve; 1011. a seat basin; 200. a seat support; 201. a side plate; 300. step screw.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
A leg rest mechanism 100 according to an embodiment of the first aspect of the present invention will be described in detail with reference to fig. 1 to 7 in conjunction with the embodiments.
As shown in fig. 2, the leg rest mechanism 100 according to the embodiment of the first aspect of the present invention includes: a fixed mount 101, a leg rest half-basin 102, a first link 103, a second link 104, and a drive assembly 109.
Specifically, the leg rest mechanism 100 is applied to a seat including a seat support 200, and the leg rest mechanism 100 includes: a fixing bracket 101 for fixedly connecting with the seat support 200; a leg rest half-basin 102, wherein the leg rest half-basin 102 is provided with a first pivot part 10201 and a second pivot part 10202 which are arranged at intervals; a first link 103, one end of the first link 103 being connected to the fixing bracket 101, and the other end of the first link 103 being rotatably connected to the first pivot portion 10201; a second link 104, one end of the second link 104 being rotatably connected to the second pivot portion 10202; and a driving assembly 109, wherein the driving assembly 109 is connected with the other end of the second connecting rod 104, and the driving assembly 109 drives the leg rest half-basin 102 to move back and forth and turn around the second pivot part 10202 through the second connecting rod 104.
That is, referring to fig. 2, the leg rest mechanism 100 includes a fixed frame 101, a leg rest half basin 102, a first link 103, a second link 104 and a driving assembly 109, the fixed frame 101 is fixedly connected to the seat support 200, the leg rest half basin 102 is provided with a first pivot portion 10201 and a second pivot portion 10202, the first pivot portion 10201 and the second pivot portion 10202 are arranged at intervals, the first link 103 is connected to the fixed frame 101 and the first pivot portion 10201, one end of the first link 103 is connected to the fixed frame 101, the other end of the first link 103 is rotatably connected to the first pivot portion 10201, the second link 104 is connected to the second pivot portion 10202 and the driving assembly 109, one end of the second link 104 is rotatably connected to the second pivot portion 10202, the other end of the second link 104 is connected to the driving assembly 109, the leg rest half basin 102 is driven by the driving assembly 109 through the second link 104, the leg rest half basin 102 is turned over around the second pivot portion 10202 while moving back and forth, structural design is ingenious, has promoted user's use and has experienced.
According to the leg rest mechanism 100 provided by the embodiment of the invention, the driving piece drives the second connecting rod 104 to drive the leg rest half basin 102, so that the function of turning over the leg rest half basin 102 while extending is realized, the contact area between the thigh rest half basin 102 and thighs is increased while the leg rest half basin 102 extends, the long-time sitting fatigue of drivers and passengers is reduced, the comfort is improved, the section difference generated by the stroke change of the leg rest is not displayed on the appearance surface of the seat, the exquisite perception of the whole seat is improved, the appearance of the whole seat is more attractive, the leg rest continuously enables the cushion to be produced in the same mold, the process is simple, the process cost and the labor hour are reduced, the number of parts is small, the overall weight of the leg rest mechanism 100 is reduced, and the production cost is reduced.
As shown in fig. 3, the drive assembly 109 is located on one side and does not take up space below the seat cushion, allowing more configuration options for the entire chair.
It should be noted that, in an embodiment of the present invention, the driving component is a motor assembly and a motor lead screw, and the motor lead screw controls the stroke and the angle of the leg support, so as to meet the requirements of different people on the supporting surface of the thigh, and the application range is wide.
In some embodiments of the present invention, the leg rest mechanism 100 further comprises: a third link 105, one end of the third link 105 is connected to the driving assembly 109 and the other end is connected to the first pivot portion 10201, and a middle portion of the third link 105 is rotatably connected to the fixing frame 101. Referring to fig. 2, a lower end of the third link 105 is connected to the driving assembly 109, an upper end of the third link 105 is connected to the first pivot portion 10201, and a middle portion of the third link 105 is rotatably connected to the fixing frame 101. Therefore, under the driving of the driving assembly 109, the third link 105 rotates around the first pivot part 10201, so as to drive the leg rest half-basin 102 to move back and forth and turn over, and the whole structure is simple and the design is ingenious.
In some embodiments of the present invention, the leg rest mechanism 100 further comprises: the rotating shaft 108, the rotating shaft 108 horizontally extends, two ends of the rotating shaft 108 are rotatably connected with the fixing frame 101, and the third connecting rod 105 is sleeved on the rotating shaft 108 and is relatively fixed with the rotating shaft 108. Referring to fig. 3, the rotating shaft 108 extends horizontally in the left-right direction, the left end of the rotating shaft 108 is rotatably connected to the fixing frame 101, the right end of the rotating shaft 108 is rotatably connected to the fixing frame 101, the third connecting rod 105 is sleeved on the rotating shaft 108, and the third connecting rod 105 and the rotating shaft 108 are fixed relatively. Therefore, the third connecting rod 105 is in lever motion through the rotating shaft 108, the function that the leg rest half basin 102 is turned over while extending is achieved, and the functionality of the seat is enhanced.
In other embodiments, the third link 105 is disposed on the shaft 108, the shaft 108 is relatively fixedly connected to the fixing frame 101, and the third link 105 is rotatably connected to the shaft 108.
In some embodiments of the present invention, the leg rest half-tub 102 extends in left and right directions, each of the first pivot portion 10201 and the second pivot portion 10202 includes two symmetrically disposed at left and right sides of the leg rest half-tub 102, one first link 103 is connected to each first pivot portion 10201, and one second link 104 is connected to each second pivot portion 10202. Referring to fig. 2, the leg rest half tub 102 extends in a left-right direction, a first pivot portion 10201 and a second pivot portion 10202 are provided at a left side of the leg rest half tub 102, the first pivot portion 10201 and the second pivot portion 10202 are symmetrically disposed at a right side of the leg rest half tub 102 and a left side of the leg rest half tub 102, and one first link 103 is correspondingly connected to each first pivot portion 10201, and one second link 104 is correspondingly connected to each second pivot portion 10202. Thus, the structure of the leg rest half tub 102 is simple, and the two first pivot parts 10201 and the two second pivot parts 10202 are symmetrically arranged, which improves the stability of the leg rest mechanism 100.
In some embodiments of the present invention, the leg rest mechanism 100 further comprises: and a fourth link (not shown), wherein the fourth link and the third link 105 are perpendicular to the axis of the rotating shaft 108 and are respectively connected to two axial ends of the rotating shaft 108, one end of the fourth link is fixed to the rotating shaft 108, and the other end of the fourth link is connected to the adjacent first pivot portion 10201. Referring to fig. 3, the third link 105 is located at the left end of the rotating shaft 108, the fourth link is located at the right end of the rotating shaft 108, the third link 105 and the fourth link are both arranged perpendicular to the axis of the rotating shaft 108, the lower end of the fourth link is fixedly connected to the rotating shaft 108, and the upper end of the fourth link is connected to the first pivot portion 10201 adjacent thereto. Therefore, the overall stability of the leg support mechanism 100 is improved by arranging the fourth connecting rod, the safety in the use process is guaranteed, and the leg support mechanism is stable and reliable.
In some embodiments of the present invention, the leg rest mechanism 100 further comprises: and a support rod 107, the support rod 107 extending in the front-rear direction and movably disposed on the fixed frame 101 or the seat support 200, and a front end of the support rod 107 is connected to the second pivot portion 10202. That is, the support rod 107 extends in the front-rear direction, the support rod 107 may be provided on the mount 101, the support rod 107 may be provided on the seat support 200, and the support rod 107 may be movable with respect to the mount 101 or the seat support 200, and the front end of the support rod 107 is connected to the second pivot portion 10202. Therefore, the stability of the leg rest mechanism 100 is further improved, the leg rest half basin 102 can be turned over while extending, and the functionality of the leg rest half basin 102 is improved.
In some embodiments of the present invention, the supporting rod 107 includes a first rod portion 10701 and a second rod portion 10702, the first rod portion 10701 extends in a front-rear direction and includes two portions spaced apart from each other in a left-right direction, the second rod portion 10702 extends in a left-right direction and both ends thereof are respectively connected to front ends of the two first rod portions 10701, and the second pivot portion 10202 is rotatably connected to the front end of the first rod portion 10701. Referring to fig. 2, the first lever portions 10701 include two first lever portions 10701 each extending in the front and rear direction, the second lever portion 10702 extending in the left and right direction, and front ends of the two first lever portions 10701 are connected to left and right ends of the second lever portion 10702, respectively. From this, first pole portion 10701 has played the effect of extension simultaneously, has still played the effect of direction, and the function that half basin 102 had realized supporting and extension is held in the palm to the leg, and simple structure, design benefit.
In some embodiments, the second bar portion 10702 is provided with two small welding brackets 107021 spaced left and right, one end of each of the two small welding brackets 107021 is fixedly connected to the second bar portion 10702, and the other end of each of the two small welding brackets 107021 is rotatably connected to the second pivot portion 10202 of the leg rest half tub 102. Referring to fig. 2, the front ends of the two small welding brackets 107021 are fixedly connected to the second lever portion 10702, and the rear ends of the two small welding brackets 107021 are rotatably connected to the second pivot portion 10202 of the leg rest half-tub 102. Therefore, the continuity and uniformity of the overall movement of the leg support mechanism 100 are ensured, the structure is simple, and the production and the manufacture are convenient.
In some embodiments of the present invention, the fixing frame 101 or the seat support 200 is provided with a sleeve 1010 extending in the front-rear direction, and the rear end of the support rod 107 is movably inserted into the sleeve 1010. Referring to fig. 2, the sleeve 1010 is provided on the seat holder 200, the holder 101 extends in the front-rear direction, the rear end of the support rod 107 is inserted into the sleeve 1010, and the rear end of the support rod 107 is movable relative to the sleeve 1010. Therefore, the supporting rod 107 is matched with the sleeve 1010, so that the guiding accuracy is further improved, the abrasion between parts is avoided, the failure rate of the leg support mechanism 100 is reduced, and the product quality is improved.
A leg rest mechanism 100 according to one embodiment of the present invention will be described with reference to fig. 1-7.
Referring to fig. 1 to 7, the leg rest mechanism 100 includes: the device comprises a fixed frame 101, a leg support half basin 102, a first connecting rod 103, a second connecting rod 104, a third connecting rod 105, a fourth connecting rod, a supporting rod 107, a rotating shaft 108 and a driving assembly 109.
Specifically, a first pivot portion 10201 and a second pivot portion 10202 are disposed on the half tub 102 of the leg rest, and the first pivot portion 10201 and the second pivot portion 10202 are arranged at intervals, the first link 103 is connected with the fixed mount 101 and the first pivot portion 10201, the lower end of the first link 103 is connected with the fixed mount 101, the upper end of the first link 103 is rotatably connected with the first pivot portion 10201, the second link 104 is connected with the second pivot portion 10202 and the driving assembly 109, one end of the second link 104 is rotatably connected with the second pivot portion 10202, the other end of the second link 104 is connected with the driving assembly 109, the lower end of the third link 105 is connected with the driving assembly 109, the upper end of the third link 105 is connected with the first pivot portion 10201, the third link 105 is sleeved on the rotating shaft 108 and fixed relative to the rotating shaft 108, the left side of the half tub 102 of the leg rest is provided with the first pivot portion 10201 and the second pivot portion 10202, the first pivot portion 10201 and the second pivot portion 10202 are symmetrically disposed on the right side of the half tub 102 of the leg rest, the third connecting rod 105 is located at the left end of the rotating shaft 108, the fourth connecting rod is located at the right end of the rotating shaft 108, the lower end of the fourth connecting rod is fixedly connected with the rotating shaft 108, and the supporting rod 107 comprises a second rod portion 10702 and two first rod portions 10701 connected to the two ends of the second rod portion 10702.
In other words, a first pivot portion 10201 and a second pivot portion 10202 are arranged on the left side of the half basin 102 of the leg rest, the first pivot portion 10201 and the second pivot portion 10202 are symmetrically arranged on the right side of the half basin 102 of the leg rest, the upper end of the first connecting rod 103, the rear end of the second connecting rod 104 and the upper end of the third connecting rod 105 are all connected with the first pivot portion 10201 on the left side of the half basin 102 of the leg rest through bolts, the front end of the second connecting rod 104 and the rear end of the small welding support 107021 are all connected with the second pivot portion 10202 on the left side of the half basin 102 of the leg rest through bolts, two ends of the rotating shaft 108 are both rotatably connected with the fixed frame 101 through step screws, the lower end of the first connecting rod 103 is rotatably connected with the fixed frame 101, and two first rod portions 10701 of the supporting rod 107 are inserted into the sleeve 1010.
Seat support 200 includes side board 201, side board 201 includes two, two side boards 201 are at the both sides of seat support 200 of left right direction interval arrangement, riveted connection between mount 101 and the side board 201, half basin 102 of leg support is including welding rotatory little support 10203, welding rotatory little support 10203 and half basin 102 welded connection of leg support, first pivot portion 10201 and second pivot portion 10202 all are formed at welding rotatory little support 10203, be equipped with seat basin 1011 on seat support 200, sleeve 1010 is fixed to be set up on seat basin 1011.
The driving component 109 comprises a motor assembly 10901 and a motor screw 10902, the front end of the motor screw 10902 is connected with the third connecting rod 105, the force of the motor screw 10902 is transmitted to two sides of the leg support mechanism 100 by using the principle of transmission force, so that the stress of the whole leg support mechanism 100 is uniform, the driving force is transmitted to the third connecting rod 105, the motor screw 10902 moves forwards, the lower end of the third connecting rod 105 moves forwards, the upper end of the third connecting rod 105 moves backwards, and simultaneously drives the upper end of the first connecting rod 103, the rear end of the second connecting rod 104 and the leg support half basin 102 to move backwards, the motor screw 10902 moves backwards, the lower end of the third connecting rod 105 moves backwards, and the upper end of the third connecting rod 105 moves forwards and simultaneously drives the upper end of the first connecting rod 103, the rear end of the second connecting rod 104 and the leg support half basin 102 to move forwards.
In other embodiments, the toothed plate and a plurality of connecting rods, the angle adjuster or a plurality of connecting rods can be used for transmission, and the driving assembly 109 is used for driving, so that the function of turning the leg support while extending in the movement process can be realized, the structure is simple, the design is ingenious, the number of parts is small, the overall weight of the seat is small, and the production cost is low.
A vehicle seat according to an embodiment of a second aspect of the present invention will be described in detail below with reference to fig. 1 to 7 in conjunction with the embodiment, the vehicle seat including: a seat support 200 and a leg rest mechanism 100 according to an embodiment of the first aspect of the present invention, the leg rest mechanism 100 being provided at a front end of the seat support 200.
According to the vehicle seat disclosed by the embodiment of the invention, by arranging the leg rest mechanism 100 disclosed by the embodiment of the first aspect of the invention, the function that the leg rest half basin 102 is turned over while extending is realized, the comfort is improved, the delicacy of the seat is increased, the cross section difference generated due to the stroke change of the leg rest is not displayed on the appearance surface of the vehicle seat, so that the whole vehicle seat is more attractive in appearance, the process is simple, the number of parts is small, the overall weight of the vehicle seat is reduced, and the production cost is reduced.
A vehicle according to an embodiment of the third aspect of the invention includes the vehicle seat according to the embodiment of the second aspect of the invention described above.
According to the vehicle provided by the embodiment of the invention, by arranging the vehicle seat provided by the embodiment of the second aspect, the product performance and quality of the vehicle are improved, the comfort of the seat is improved, the number of parts is reduced, the quality of the whole vehicle is reduced, the vehicle is economical and reliable, the space occupied by the leg support mechanism 100 below a cushion is reduced in space, the seat has more configuration options, and the whole leg support half basin 102 is uniformly stressed and runs smoothly by a transmission force mechanism based on a lever principle, and the leg support half basin 102 extends while being overturned, so that the comfort is improved, and the use requirements of different people are met.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. A leg rest mechanism, characterized in that, is applied to the seat, the seat includes the seat support, leg rest mechanism includes:
the fixing frame is used for being fixedly connected with the seat support;
the leg support half basin is provided with a first pivot part and a second pivot part which are arranged at intervals;
one end of the first connecting rod is connected with the fixed frame, and the other end of the first connecting rod is rotatably connected with the first pivoting part;
a second connecting rod, one end of which is rotatably connected with the second pivot part;
and the driving assembly is connected with the other end of the second connecting rod and drives the leg support half basin to move back and forth and turn over around the second pivot part through the second connecting rod.
2. The leg rest mechanism of claim 1, further comprising: and one end of the third connecting rod is connected with the driving assembly, the other end of the third connecting rod is connected with the first pivot part, and the middle part of the third connecting rod is rotatably connected with the fixed frame.
3. The leg rest mechanism of claim 2, further comprising: the rotating shaft extends horizontally, two ends of the rotating shaft are rotatably connected with the fixing frame, and the third connecting rod is sleeved on the rotating shaft and is relatively fixed with the rotating shaft.
4. The leg rest mechanism according to claim 3, wherein the half tub edge of the leg rest extends in the left-right direction, the first pivot portion and the second pivot portion each include two symmetrically disposed on the left and right sides of the half tub edge of the leg rest, one first link is correspondingly connected to each of the first pivot portions, and one second link is correspondingly connected to each of the second pivot portions.
5. The leg rest mechanism of claim 4, further comprising: the fourth connecting rod with the third connecting rod all is perpendicular to the axis setting of pivot and connect respectively the axial both ends of pivot, the one end of fourth connecting rod with the pivot is fixed and the other end is connected adjacently first pivot portion.
6. A leg rest mechanism according to any of claims 1-5, further comprising: the supporting rod extends in the front-back direction and is movably arranged on the fixed frame or the seat support, and the front end of the supporting rod is connected with the second pivoting part.
7. The leg support mechanism according to claim 6, wherein the support rod comprises a first rod part and a second rod part, the first rod part extends forwards and backwards and comprises two parts which are arranged at intervals left and right, the second rod part extends leftwards and rightwards and two ends of the second rod part are respectively connected with the front ends of the two first rod parts, and the second pivot part is rotatably connected with the front end of the first rod part.
8. The leg rest mechanism according to claim 6, wherein a sleeve extending in a front-rear direction is provided on the fixing frame or the seat support, and a rear end of the support rod is movably inserted into the sleeve.
9. A vehicle seat, characterized by comprising:
a seat support;
a leg rest mechanism as claimed in any one of claims 1 to 8, provided at the front end of the seat support.
10. A vehicle characterized by comprising the vehicle seat according to claim 9.
CN202210208377.0A 2022-03-04 2022-03-04 Leg support mechanism, vehicle seat and vehicle Active CN114537239B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030189360A1 (en) * 2002-04-08 2003-10-09 Societe Industrielle Et Commerciale De Materiel Aeronautique Aircraft seat with synchronised back rest and leg rest
JP2010233771A (en) * 2009-03-31 2010-10-21 Ts Tech Co Ltd Leg rest gear
US20150284092A1 (en) * 2014-04-03 2015-10-08 B/E Aerospace, Inc, Extendable leg rest for aircraft passenger seat
US20160000227A1 (en) * 2014-07-04 2016-01-07 Hyundai Motor Company Leg rest device
US20190241108A1 (en) * 2016-10-17 2019-08-08 Hyundai Transys Incorporated Leg rest having distortion preventing function
US20200223342A1 (en) * 2019-01-16 2020-07-16 Toyota Boshoku Kabushiki Kaisha Vehicle seat
CN212386355U (en) * 2020-04-30 2021-01-22 浙江雅虎汽车部件股份有限公司 Leg support adjusting mechanism of electric seat

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030189360A1 (en) * 2002-04-08 2003-10-09 Societe Industrielle Et Commerciale De Materiel Aeronautique Aircraft seat with synchronised back rest and leg rest
JP2010233771A (en) * 2009-03-31 2010-10-21 Ts Tech Co Ltd Leg rest gear
US20150284092A1 (en) * 2014-04-03 2015-10-08 B/E Aerospace, Inc, Extendable leg rest for aircraft passenger seat
US20160000227A1 (en) * 2014-07-04 2016-01-07 Hyundai Motor Company Leg rest device
US20190241108A1 (en) * 2016-10-17 2019-08-08 Hyundai Transys Incorporated Leg rest having distortion preventing function
US20200223342A1 (en) * 2019-01-16 2020-07-16 Toyota Boshoku Kabushiki Kaisha Vehicle seat
CN212386355U (en) * 2020-04-30 2021-01-22 浙江雅虎汽车部件股份有限公司 Leg support adjusting mechanism of electric seat

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