WO2021036221A1 - 零重力座椅及包含其的汽车 - Google Patents

零重力座椅及包含其的汽车 Download PDF

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Publication number
WO2021036221A1
WO2021036221A1 PCT/CN2020/077922 CN2020077922W WO2021036221A1 WO 2021036221 A1 WO2021036221 A1 WO 2021036221A1 CN 2020077922 W CN2020077922 W CN 2020077922W WO 2021036221 A1 WO2021036221 A1 WO 2021036221A1
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WIPO (PCT)
Prior art keywords
seat
zero
gravity
bracket
center
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.)
Ceased
Application number
PCT/CN2020/077922
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English (en)
French (fr)
Inventor
张武
唐勋
钱大海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yanfeng Automotive Trim Systems Co Ltd
Original Assignee
Yanfeng Automotive Trim Systems Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yanfeng Automotive Trim Systems Co Ltd filed Critical Yanfeng Automotive Trim Systems Co Ltd
Priority to JP2022513217A priority Critical patent/JP7535570B2/ja
Priority to EP20857078.8A priority patent/EP4019323A4/en
Priority to US17/637,330 priority patent/US20220363166A1/en
Publication of WO2021036221A1 publication Critical patent/WO2021036221A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
    • B60N2/225—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms
    • B60N2/2252—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms in which the central axis of the gearing lies inside the periphery of an orbital gear, e.g. one gear without sun gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/0224—Non-manual adjustments, e.g. with electrical operation
    • B60N2/02246—Electric motors therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/045—Longitudinal adjustment by means of articulated rods supporting the seat, e.g. parallelogram mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
    • B60N2/18—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other
    • B60N2/1807—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other characterised by the cinematic
    • B60N2/181—Rods
    • 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
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/32—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles convertible for other use
    • B60N2/34—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles convertible for other use into a bed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/68—Seat frames
    • B60N2/682—Joining means

Definitions

  • the present invention relates to the field of automobile technology, in particular to a zero-gravity seat and an automobile containing the same.
  • Zero gravity technology has applications in the furniture and car seat industries.
  • the principle diagram of the existing zero-gravity car seat is shown in Figure 1-2.
  • the seat 1, the front bracket 3, the rear bracket 4, and the seat mounting seat 5 form a set of four-link mechanism.
  • the angle adjuster drives the rear bracket 4 to rotate through the connecting plate 202 so that the seat 1 also rotates synchronously.
  • the rotation center C of the seat back 2 is set at The upper part of the seat 1 causes the lower end of the seat back 2 and the upper end surface of the seat 1 to form a step difference S during the backward rotation of the seat back 2, and the greater the angle of the rear adjustment of the seat back 2, the greater the step difference S Big.
  • This causes the back of the passenger to be pressed by the convex point A at the lower end of the seat back when the torso of the passenger rotates backwards, so that the back cannot fit the seat back 2 and affects the comfort of riding.
  • the technical problem to be solved by the present invention is to overcome the defect in the prior art that when the seat and back of the zero-gravity seat are adjusted synchronously, the lower end of the seat back will push against the back of the occupant, which affects the comfort of riding.
  • a zero-gravity seat and a car containing the same are provided.
  • a zero-gravity seat includes a seat, a seat back, a front support, and a rear support.
  • the upper ends of the front support and the rear support are hinged to the front and rear ends of the seat respectively.
  • the front support and the rear support The lower ends of the rear brackets are respectively hinged on the seat mounting seat, which is characterized in that the lower end of the seat back can rotate around the rear end of the seat, and the center of rotation of the seat back is located on the seat Below the end face;
  • the rotation center coincides with the hinge center of the upper end of the rear bracket, and the upper end of the rear bracket is fixed on the seat back.
  • the center of rotation of the seat back is moved down to coincide with the hinge center of the rear bracket of the seat, and the center of rotation of the seat back is located below the upper end surface of the seat, so that the seat back and the seat can be When rotating together in linkage, the lower end of the seat back and the upper end surface of the seat form a small step difference, or even no step difference. In this way, it can be ensured that the lower end of the seat back does not basically touch the back of the occupant, which improves the fit between the back of the occupant and the seat back, and ensures the comfort of riding.
  • the lower hinge center of the rear bracket is located on the front side of the rotation center, and the lower hinge center of the front bracket is located on the rear side of the upper hinge center of the front bracket.
  • an angle adjuster is provided at the rotation center of the seat back, the fixed part of the angle adjuster is fixed on the seat, and the rotating part of the angle adjuster is fixed on the rotation center.
  • the angle between the seat and the back is adjusted by the angle adjuster, and the locking mechanism of the angle adjuster can keep the angle between the seat and the back unchanged after the adjustment is completed.
  • the seat includes two oppositely arranged side wall panels
  • the seat back includes two oppositely arranged back wall panels
  • each of the side wall panels and the back wall panel is provided with
  • the side connecting surfaces of the fixed part and the rotating part of the angle adjuster are respectively welded and fixed to the side wall plate and the back wall plate.
  • the seat and the seat back are assembled by a skeleton structure, and the seat assembly is realized through simple side wall panels and back wall panels, which not only reduces the weight of the seat, but also reduces the production cost.
  • the angle adjuster is arranged between the side wall plate of the seat and the back wall plate of the seat back, and is fixed by welding.
  • the front bracket and the rear bracket are both provided with two, the two front brackets are respectively provided on the front ends of the two side wall panels, and the two rear brackets are respectively provided on the The rear end of the side wall panel.
  • a first connecting rod is provided between the two side wall plates, and two ends of the first connecting rod are respectively fixedly connected to the rotating parts of the two angle adjusters.
  • the rotating parts of the two angle adjusters are connected by the first connecting rod, and when one angle adjuster is driven to work, the other angle adjuster can be driven to work, and there is no need to separate the two angle adjusters at the same time drive.
  • a second connecting rod is further provided between the two side wall plates, and two ends of the second connecting rod are respectively fixedly connected to the front ends of the two side wall plates.
  • the second connecting rod connects the front ends of the two side wall panels, which can increase the stability of the seat during rotation adjustment.
  • a front hinged seat and a rear hinged seat are respectively provided on the seat mounting seat, and the front bracket and the rear bracket are hinged on the front hinged seat and the rear hinged seat, respectively.
  • the hinged seat is provided on the seat mounting seat, which also facilitates the assembly of the seat and the adjustment of the later installation position.
  • the rear bracket and the seat back are an integral structure or a combined assembly structure.
  • the rear bracket and the seat back can be processed in an integrated manner, or they can be processed separately and then assembled and installed. Since the rear bracket needs to bear greater work intensity and high-performance materials, the chair back only needs to bear part of the pressure of the human body, and the material requirements of the chair back are much lower than those of the rear bracket. Therefore, in order to avoid waste, the rear bracket is generally processed separately with high-performance materials, and then assembled with the back of the chair.
  • a driving mechanism is provided on the recliner, and the driving mechanism is controlled by manual drive or electric drive to drive the rotating part of the recliner to rotate, so that the seat back can rotate around the center of rotation. Rotate.
  • An automobile is characterized in that the automobile includes the zero-gravity seat as described above.
  • the positive progress effect of the present invention is that the zero-gravity seat of the present invention coincides with the hinge center of the rear end bracket of the seat by moving the center of rotation of the seat back down, and the center of rotation of the seat back is located below the upper end surface of the seat.
  • the chair back and the seat can be rotated together, so that the angle between the torso and the thigh of the human body can be adjusted in place at one time, and the lower end of the chair back and the upper end of the seat form a small step difference, even without Poor steps.
  • it can be ensured that the lower end of the seat back does not basically touch the back of the occupant, which improves the fit between the back of the occupant and the seat back, and ensures the comfort of riding.
  • Fig. 1 is a schematic diagram of the structure of a seat in the prior art.
  • Fig. 2 is a schematic diagram of the structure of the seat after adjustment in the prior art.
  • Fig. 3 is a schematic diagram of the frame structure of the seat in the preferred embodiment of the present invention.
  • Fig. 4 is a schematic diagram of a partial structure of a seat frame in a preferred embodiment of the present invention.
  • Fig. 5 is an exploded schematic diagram of the partial structure of the seat frame in the preferred embodiment of the present invention.
  • Fig. 6 is a schematic diagram of the structure of the seat in the preferred embodiment of the present invention.
  • Fig. 7 is a schematic diagram of the seat in the preferred embodiment of the present invention during linkage adjustment.
  • a zero-gravity seat of the present invention includes a seat seat 1, a seat back 2, a front bracket 3, and a rear bracket 4.
  • the upper ends of the front bracket 3 and the rear bracket 4 are respectively hinged on the seat seat 1.
  • the lower ends of the front bracket 3 and the rear bracket 4 are respectively hinged on the seat mounting seat 5.
  • the lower end of the seat back 2 can rotate around the rear end of the seat 1, and the rotation center of the seat back 2 is located on the seat Below the upper end surface of 1; the center of rotation coincides with the hinged center of the upper end of the rear bracket 4, and the upper end of the rear bracket 4 is fixed on the seat back 2.
  • the center of rotation of the seat back 2 is moved down to coincide with the hinge center of the end bracket of the seat 1, and the center of rotation of the seat back 2 is located below the upper end surface of the seat 1, so that the seat back
  • the lower end of the seat back 2 and the upper end surface of the seat 1 form a small step difference, or even no step difference.
  • the lower end of the seat back 2 basically does not touch the back of the occupant, which improves the fit between the back of the occupant and the seat back 2 and ensures the comfort of riding.
  • the lower hinge center of the rear bracket 4 is located on the front side of the rotation center, and the lower hinge center of the front bracket 3 is located on the rear side of the upper hinge center of the front bracket 3.
  • the upper end of the rear bracket 4 is deflected from top to bottom and the front bracket 3 is deflected from bottom to top to the rear, so that the front bracket can be deflected from top to bottom.
  • the distance between 3 and the upper end of the rear bracket 4 becomes larger, and the backward tilt angle of the seat 1 can be changed at a larger angle, so that the thighs of the occupant can better fit the seat 1 during the process of reclining, and further improve The comfort of the occupant.
  • an angle adjuster 8 is provided at the center of rotation of the seat back 2, the fixing part of the angle adjuster 8 is fixed on the seat 1, and the rotating part of the angle adjuster 8 is fixed on the rotation center.
  • the angle between the seat 1 and the back 2 is adjusted by the angle adjuster 8.
  • the locking mechanism of the angle adjuster 8 can keep the angle of the seat 1 and the back 2 unchanged after the adjustment is completed.
  • the seat 1 includes two oppositely arranged side wall panels 101
  • the seat back 2 includes two oppositely arranged back wall panels 201
  • an angle adjuster 8 is provided between each side wall panel 101 and the back wall panel 201
  • the side connecting surfaces of the fixed part and the rotating part of the angle adjuster 8 are welded and fixed to the side wall 101 and the back wall 201, respectively.
  • the seat 1 and the seat back 2 are assembled by using a skeleton structure, and the seat assembly is realized through a simple side wall panel 101 and a back wall panel 201, which not only reduces the weight of the seat, but also Reduce production costs.
  • the angle adjuster 8 is arranged between the side wall plate 101 of the seat 1 and the back wall plate 201 of the seat back 2, and is fixed by welding.
  • two front brackets 3 and rear brackets 4 are provided.
  • the two front brackets 3 are respectively provided on the front ends of the two side wall panels 101, and the two rear brackets 4 are respectively provided on the side wall panels 101.
  • the back end By using a front bracket 3 at the front end of the side wall plate 101 of the seat 1 and a rear bracket 4 at the rear end of the side wall plate 101 respectively, the side wall plate 101, the seat mounting seat 5, and the front bracket 3, rear
  • the brackets 4 together form two sets of four-link mechanisms, and the two sets of four-link mechanisms are arranged on both sides of the seat, which can ensure the stability of the seat during adjustment.
  • a first connecting rod 6 is provided between the two side wall plates 101, and two ends of the first connecting rod 6 are respectively fixedly connected to the rotating parts of the two angle adjusters 8.
  • the rotating parts of the two angle adjusters 8 are connected by the first connecting rod 6, so that when one angle adjuster 8 is driven to work, the other angle adjuster 8 can be driven to work, and there is no need to separate the two angle adjusters 8 at the same time. drive.
  • a second connecting rod 7 is also provided between the two side wall plates 101. The two ends of the second connecting rod 7 are respectively connected to the front ends of the two side wall plates 101. ⁇ fixed connection.
  • the seat mounting base 5 is respectively provided with a front hinged base 10 and a rear hinged base 11, and the front bracket 3 and the rear bracket 4 are hinged on the front hinged base 10 and the rear hinged base 11, respectively. This is to facilitate the hinged connection of the lower ends of the front bracket 3 and the rear bracket 4, by setting the hinged seat on the seat mounting seat 5, it is also convenient for the assembly of the seat and the adjustment of the later installation position.
  • the rear bracket 4 and the seat back 2 are an integral structure or a combined assembly structure.
  • the rear bracket 4 and the seat back 2 can be processed in an integrated manner, or they can be processed separately and then assembled and installed. Since the rear bracket 4 needs to bear greater working strength and requires high-performance materials, the chair back 2 only needs to bear part of the pressure of the human body, and the material requirements of the seat back 2 are much lower than those of the rear bracket 4. Therefore, in this embodiment, in order to avoid waste, the rear bracket 4 is separately processed with high-performance materials, and then assembled with the seat back 2.
  • the angle adjuster 8 is provided with a driving mechanism 9, and the driving mechanism 9 is controlled by manual driving or electric driving to drive the rotating part of the angle adjuster 8 to rotate, so as to realize the rotation of the seat back 2 around the center of rotation.
  • the driving mechanism 9 adopts electric driving control.
  • manual drive control or electric drive control can also be used on the seat at the same time, as long as it is satisfied that when one of the drive mechanisms is used for control, the other drive mechanism will not interfere with the movement of the angle adjuster.
  • the invention also discloses a car, which contains the zero-gravity seat as described above.

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Abstract

一种零重力座椅，包括椅座（1）、椅背（2）、前支架（3）、后支架（4），前支架（3）和后支架（4）的上端分别铰接在椅座（1）的前后两端，前支架（3）和后支架（4）的下端分别铰接在座椅安装座（5）上，椅背（2）的下端可绕椅座（1）的后端部旋转，且椅背（2）的旋转中心位于椅座（1）的上端面的下方；旋转中心与后支架（4）的上端铰接中心重合，且后支架（4）的上端固定在椅背（2）上。该零重力座椅可以使椅背和椅座在一起联动转动时，椅背的下端部与椅座的上端面形成很小的台阶差，甚至不会有台阶差。这样就可以保证椅背的下端部基本不会顶到乘员的后背，提高了乘员后背与椅背的贴合性，保证了乘坐的舒适性。还公开了一种包含该零重力座椅的汽车。

Description

零重力座椅及包含其的汽车
本申请要求申请日为2019/8/23的中国专利申请2019107825046的优先权。本申请引用上述中国专利申请的全文。
技术领域
本发明涉及汽车技术领域，具体涉及一种零重力座椅及包含其的汽车。
背景技术
零重力技术在家具和汽车座椅行业都有应用。现有的零重力汽车座椅，其原理简图如图1-2所示，椅座1、前支架3、后支架4以及座椅安装座5组成一组四连杆机构，在通过调角器对椅背2进行调节时，椅背2在向后转动的同时，调角器通过连接板202带动后支架4转动使椅座1也发生同步转动，由于椅背2的旋转中心C设在椅座1的上方，导致椅背2后向转动过程中椅背2的下端部和椅座1的上端面形成一个台阶差S，且椅背2向后调节的角度越大，台阶差S越大。这就使得乘客躯干在后向转动的过程中后背会被椅背的下端部凸点A顶压，使得后背无法贴合椅背2，影响乘坐的舒适性。
发明内容
本发明要解决的技术问题是为了克服现有技术中零重力座椅在进行椅座和椅背的同步调节时，椅背的下端部会顶到乘员顶后背，影响乘坐的舒适性的缺陷，提供一种零重力座椅及包含其的汽车。
本发明是通过下述技术方案来解决上述技术问题：
一种零重力座椅，包括椅座、椅背、前支架、后支架，所述前支架和所述后支架的上端分别铰接在所述椅座的前后两端，所述前支架和所述后支架的下端分别铰接在座椅安装座上，其特点在于，所述椅背的下端可绕所述椅 座的后端部旋转，且所述椅背的旋转中心位于所述椅座的上端面的下方；
所述旋转中心与所述后支架的上端铰接中心重合，且所述后支架的上端固定在所述椅背上。
在本方案中，通过将椅背的旋转中心下移与椅座后端支架的铰接中心重合，并且使椅背的旋转中心位于椅座的上端面的下方，这样可以使椅背和椅座在一起联动转动时，椅背的下端部与椅座的上端面形成很小的台阶差，甚至不会有台阶差。这样就可以保证椅背的下端部基本不会顶到乘员的后背，提高了乘员后背与椅背的贴合性，保证了乘坐的舒适性。
较佳地，所述后支架的下端铰接中心位于所述旋转中心的前侧，所述前支架的下端铰接中心位于所述前支架的上端铰接中心的后侧。
在本方案中，通过上述结构的设置，再将椅背向后转动时，后支架的上端由上到下向后偏转，前支架由下向上朝后偏转，这样可以使前支架与后支架的上端之间的距离变大，可以更大角度的改变椅座的后倾角度，使得乘员在后靠的过程中，大腿可以更好的贴合椅座，进一步提高乘员乘坐的舒适性。
较佳地，所述椅背的旋转中心处设有调角器，所述调角器的固定部固定在所述椅座上，所述调角器的转动部固定在所述旋转中心上。
在本方案中，通过调角器对椅座和椅背之间的角度进行调节，调角器自带的锁止机构可以保持椅座和椅背的角度在调节完成后不会改变。
较佳地，所述椅座包括两个相对设置的侧壁板，所述椅背包括两个相对设置的背壁板，每个所述侧壁板和所述背壁板之间均设有一个所述调角器，所述调角器的固定部和转动部的侧连接面分别焊接固定在所述侧壁板和所述背壁板上。
在本方案中，椅座和椅背都是采用骨架结构装配而成，通过简单的侧壁板和背壁板实现座椅的装配，不仅降低了座椅的重量，而且还降低了生产成本。调角器设在椅座的侧壁板和椅背的背壁板之间，并通过焊接的方式固定。
较佳地，所述前支架和所述后支架均设有两个，两个所述前支架分别设 在两个所述侧壁板的前端部，两个所述后支架分别设在所述侧壁板的后端部。
在本方案中，通过在椅座的侧壁板的前端分别采用一个前支架、侧壁板的后端分别采用一个后支架，这样侧壁板、座椅安装座以及前支架、后支架共同组成两组四连杆机构，两组四连杆机构设在座椅的两侧，可以保证座椅在调节时的稳定性。
较佳地，两个所述侧壁板之间设有第一连杆，所述第一连杆的两端分别与两个所述调角器的转动部固定连接。
在本方案中，通过第一连杆将两个调角器的转动部连接，可以在驱动其中一个调角器工作时，带动另一个的调角器工作，不用同时对两个调角器分开驱动。
较佳地，两个所述侧壁板的之间还设有第二连杆，所述第二连杆的两端分别与两个所述侧壁板的前端部固定连接。
在本方案中，第二连杆将两个侧壁板的前端部连接，可以增加椅座在转动调节时的稳定性。
较佳地，所述座椅安装座上分别设有前铰接座和后铰接座，所述前支架和所述后支架分别铰接在所述前铰接座和所述后铰接座上。
在本方案中，为了方便前支架和后支架下端部的铰接，通过在座椅安装座上设置铰接座，同时也便于座椅的装配和后期安装位置的调节。
较佳地，所述后支架与所述椅背为一体成型结构或组合装配结构。
在本方案中，后支架与椅背可以通过一体成型的方式加工，也可以分别加工后再进行装配安装。由于后支架需要承担较大的工作强度需要高性能的材料，相对来说椅背只需承担人体的部分压力，椅背对材料的要求比后支架要低很多。因此，为了避免浪费，一般将后支架采用高性能的材料单独加工，然后再与椅背装配。
较佳地，所述调角器上设有驱动机构，所述驱动机构通过手动驱动控制或电动驱动控制，以驱动所述调角器的转动部转动，实现所述椅背绕所述旋 转中心转动。
一种汽车，其特点在于，所述汽车包含有如上所述的零重力座椅。
在符合本领域常识的基础上，上述各优选条件，可任意组合，即得本发明各较佳实施例。
本发明的积极进步效果在于：本发明的零重力座椅通过将椅背的旋转中心下移与椅座后端支架的铰接中心重合，并且使椅背的旋转中心位于椅座的上端面的下方，这样可以使椅背和椅座在一起联动转动，使人体躯干与大腿之间的角度一次调节到位，并且椅背的下端部与椅座的上端面形成很小的台阶差，甚至不会有台阶差。这样就可以保证椅背的下端部基本不会顶到乘员的后背，提高了乘员后背与椅背的贴合性，保证了乘坐的舒适性。
附图说明
图1为现有技术中座椅的结构示意图。
图2为现有技术中座椅调节后的结构示意图。
图3为本发明较佳实施例中座椅的骨架结构示意图。
图4为本发明较佳实施例中座椅的骨架局部结构示意图。
图5为本发明较佳实施例中座椅的骨架局部结构爆炸示意图。
图6为本发明较佳实施例中座椅的结构示意图。
图7为本发明较佳实施例中座椅在联动调节使用时的示意图。
附图标记说明：
椅背下端部凸点 A
乘员臀部下端和椅座的接触点 B
现有技术中椅背的旋转中心 C
现有技术中椅座的旋转中心 D
本发明中椅座和椅背的联动转动中心 E
椅座 1
侧壁板 101
椅背 2
背壁板 201
连接板 202
前支架 3
后支架 4
座椅安装座 5
第一连杆 6
第二连杆 7
调角器 8
驱动机构 9
前铰接座 10
后铰接座 11
具体实施方式
下面通过实施例的方式进一步说明本发明，但并不因此将本发明限制在以下的实施例范围之中。
如图3-7所示，本发明的一种零重力座椅，包括椅座1、椅背2、前支架3、后支架4，前支架3和后支架4的上端分别铰接在椅座1的前后两端，前支架3和后支架4的下端分别铰接在座椅安装座5上，椅背2的下端可绕椅座1的后端部旋转，且椅背2的旋转中心位于椅座1的上端面的下方；旋转中心与后支架4的上端铰接中心重合，且后支架4的上端固定在椅背2上。
在本实施例中，通过将椅背2的旋转中心下移与椅座1端支架的铰接中心重合，并且使椅背2的旋转中心位于椅座1的上端面的下方，这样可以使椅背2和椅座1在一起联动转动时，椅背2的下端部与椅座1的上端面形成很小的台阶差，甚至不会有台阶差。这样就可以保证椅背2的下端部基本不 会顶到乘员的后背，提高了乘员后背与椅背2的贴合性，保证了乘坐的舒适性。
后支架4的下端铰接中心位于旋转中心的前侧，前支架3的下端铰接中心位于前支架3的上端铰接中心的后侧。
在本实施例中，通过上述结构的设置，再将椅背2向后转动时，后支架4的上端由上到下向后偏转，前支架3由下向上朝后偏转，这样可以使前支架3与后支架4的上端之间的距离变大，可以更大角度的改变椅座1的后倾角度，使得乘员在后靠的过程中，大腿可以更好的贴合椅座1，进一步提高乘员乘坐的舒适性。
在本实施例中，椅背2的旋转中心处设有调角器8，调角器8的固定部固定在椅座1上，调角器8的转动部固定在旋转中心上。通过调角器8对椅座1和椅背2之间的角度进行调节，调角器8自带的锁止机构可以保持椅座1和椅背2的角度在调节完成后不会改变。
椅座1包括两个相对设置的侧壁板101，椅背2包括两个相对设置的背壁板201，每个侧壁板101和背壁板201之间均设有一个调角器8，调角器8的固定部和转动部的侧连接面分别焊接固定在侧壁板101和背壁板201上。在本实施例中，椅座1和椅背2都是采用骨架结构装配而成，通过简单的侧壁板101和背壁板201实现座椅的装配，不仅降低了座椅的重量，而且还降低了生产成本。调角器8设在椅座1的侧壁板101和椅背2的背壁板201之间，并通过焊接的方式固定。
在本实施例中，前支架3和后支架4均设有两个，两个前支架3分别设在两个侧壁板101的前端部，两个后支架4分别设在侧壁板101的后端部。通过在椅座1的侧壁板101的前端分别采用一个前支架3、侧壁板101的后端分别采用一个后支架4，这样侧壁板101、座椅安装座5以及前支架3、后支架4共同组成两组四连杆机构，两组四连杆机构设在座椅的两侧，可以保证座椅在调节时的稳定性。
在本实施例中，两个侧壁板101之间设有第一连杆6，第一连杆6的两端分别与两个调角器8的转动部固定连接。通过第一连杆6将两个调角器8的转动部连接，可以在驱动其中一个调角器8工作时，带动另一个的调角器8工作，不用同时对两个调角器8分开驱动。为了增加椅座1在转动调节时的稳定性，在两个侧壁板101的之间还设有第二连杆7，第二连杆7的两端分别与两个侧壁板101的前端部固定连接。
座椅安装座5上分别设有前铰接座10和后铰接座11，前支架3和后支架4分别铰接在前铰接座10和后铰接座11上。这样是为了方便前支架3和后支架4下端部的铰接，通过在座椅安装座5上设置铰接座，同时也便于座椅的装配和后期安装位置的调节。
后支架4与椅背2为一体成型结构或组合装配结构。后支架4与椅背2可以通过一体成型的方式加工，也可以分别加工后再进行装配安装。由于后支架4需要承担较大的工作强度需要高性能的材料，相对来说椅背2只需承担人体的部分压力，椅背2对材料的要求比后支架4要低很多。因此，在本实施例中，为了避免浪费，将后支架4采用高性能的材料单独加工，然后再与椅背2装配。
调角器8上设有驱动机构9，驱动机构9通过手动驱动控制或电动驱动控制，以驱动调角器8的转动部转动，实现椅背2绕旋转中心转动。客户可以根据自己的需求进行自由选择。为了满足座椅的自动化控制，在本实施例中，驱动机构9采用电动驱动控制。另外也可以在座椅上同时使用手动驱动控制或电动驱动控制，只要满足在使用其中一种驱动机构控制时，另一种驱动机构不会对调角器的运动产生干涉。
本发明还公开了一种汽车，该汽车包含有如上的零重力座椅。
虽然以上描述了本发明的具体实施方式，但是本领域的技术人员应当理解，这仅是举例说明，本发明的保护范围是由所附权利要求书限定的。本领域的技术人员在不背离本发明的原理和实质的前提下，可以对这些实施方式 做出多种变更或修改，但这些变更和修改均落入本发明的保护范围。

Claims (11)

  1. 一种零重力座椅，包括椅座、椅背、前支架、后支架，所述前支架和所述后支架的上端分别铰接在所述椅座的前后两端，所述前支架和所述后支架的下端分别铰接在座椅安装座上，其特征在于，所述椅背的下端可绕所述椅座的后端部旋转，且所述椅背的旋转中心位于所述椅座的上端面的下方；
    所述旋转中心与所述后支架的上端铰接中心重合，且所述后支架的上端固定在所述椅背上。
  2. 如权利要求1所述的零重力座椅，其特征在于，所述后支架的下端铰接中心位于所述旋转中心的前侧，所述前支架的下端铰接中心位于所述前支架的上端铰接中心的后侧。
  3. 如权利要求1或2所述的零重力座椅，其特征在于，所述椅背的旋转中心处设有调角器，所述调角器的固定部固定在所述椅座上，所述调角器的转动部固定在所述旋转中心上。
  4. 如权利要求3所述的零重力座椅，其特征在于，所述椅座包括两个相对设置的侧壁板，所述椅背包括两个相对设置的背壁板，每个所述侧壁板和所述背壁板之间均设有一个所述调角器，所述调角器的固定部和转动部的侧连接面分别焊接固定在所述侧壁板和所述背壁板上。
  5. 如权利要求4所述的零重力座椅，其特征在于，所述前支架和所述后支架均设有两个，两个所述前支架分别设在两个所述侧壁板的前端部，两个所述后支架分别设在所述侧壁板的后端部。
  6. 如权利要求4或5所述的零重力座椅，其特征在于，两个所述侧壁板之间设有第一连杆，所述第一连杆的两端分别与两个所述调角器的转动部固定连接。
  7. 如权利要求6所述的零重力座椅，其特征在于，两个所述侧壁板的之间还设有第二连杆，所述第二连杆的两端分别与两个所述侧壁板的前端部固 定连接。
  8. 如权利要求1-7任意一项所述的零重力座椅，其特征在于，所述座椅安装座上分别设有前铰接座和后铰接座，所述前支架和所述后支架分别铰接在所述前铰接座和所述后铰接座上。
  9. 如权利要求1-8任意一项所述的零重力座椅，其特征在于，所述后支架与所述椅背为一体成型结构或组合装配结构。
  10. 如权利要求3-9任意一项所述的零重力座椅，其特征在于，所述调角器上设有驱动机构，所述驱动机构通过手动驱动控制或电动驱动控制，以驱动所述调角器的转动部转动，实现所述椅背绕所述旋转中心转动。
  11. 一种汽车，其特征在于，所述汽车包含有如权利要求1-10任意一项所述的零重力座椅。
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JP2022546050A (ja) 2022-11-02
EP4019323A4 (en) 2023-08-30
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