WO2012083630A1 - 座椅座垫与底盘的固定结构 - Google Patents

座椅座垫与底盘的固定结构 Download PDF

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Publication number
WO2012083630A1
WO2012083630A1 PCT/CN2011/073701 CN2011073701W WO2012083630A1 WO 2012083630 A1 WO2012083630 A1 WO 2012083630A1 CN 2011073701 W CN2011073701 W CN 2011073701W WO 2012083630 A1 WO2012083630 A1 WO 2012083630A1
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WO
WIPO (PCT)
Prior art keywords
hole
key
seat cushion
chassis
fixing structure
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Application number
PCT/CN2011/073701
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English (en)
French (fr)
Inventor
沈建萍
Original Assignee
嘉瑞福(浙江)家具有限公司
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Application filed by 嘉瑞福(浙江)家具有限公司 filed Critical 嘉瑞福(浙江)家具有限公司
Publication of WO2012083630A1 publication Critical patent/WO2012083630A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/002—Chair or stool bases
    • A47C7/004—Chair or stool bases for chairs or stools with central column, e.g. office chairs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts

Definitions

  • the present invention relates to the field of furniture technology, and more particularly to the field of seat technology, and in particular to a fixed structure of a seat cushion and a chassis. Background technique
  • Known office chairs include a seat cushion, a leg and a chassis portion that connects the seat cushion and the foot, and the seat cushion and the chassis are rigidly connected by screws or the like.
  • the application of this type of rigid connection has the following drawbacks:
  • the present invention provides a seat cushion and chassis fixing structure which can effectively avoid damage to the connection position of the seat cushion and the chassis, and ensure convenient assembly of the seat cushion and the chassis.
  • a fixing structure of a seat cushion and a chassis of the present invention includes at least one snap key disposed on an upper surface of the chassis, and a card hole disposed on a lower surface of the seat cushion, the card hole Corresponding to the number of the card contacts, the carding button and the card hole are disposed at corresponding positions, and the carding button is disposed in the card hole, and the seat pad and the chassis are fixed by the connection.
  • the snap button includes a key end and a key rod, and the key end is fixed to the upper surface of the chassis by the key rod, the key The cross-sectional projection of the end covers and is larger than the cross-sectional projection of the key bar.
  • the card hole comprises a large hole, and a small hole communicating with the large hole, the shape of the large hole is similar to the cross section of the key end, and the area of the large hole is slightly larger than the area of the cross section of the key end, The shape of the small hole is similar to the cross section of the key rod, and the area of the small hole is smaller than the area of the cross section of the key end, which is slightly larger than the area of the cross section of the key rod, the large The width of the connection between the hole and the small hole is not less than the maximum width of the small hole, so that the key end of the snap key protrudes into the small hole, and can be moved into the small hole, thereby making the snap key
  • the card hole card is fixed.
  • a bullet is arranged above the connection position of the large hole and the small hole.
  • the elastic piece is connected to the seat cushion through a connecting portion.
  • the key end and the key rod of the snap key are both cylindrical, and the large holes and the small holes of the card hole are round holes.
  • the diameter of the large hole is slightly larger than the diameter of the cross section of the key end
  • the diameter of the small hole is slightly larger than the diameter of the cross section of the key bar.
  • the length of the connection position of the large hole and the small hole is slightly larger than the radius of the cross section of the key end.
  • the fixing structure further has a gusset plate, and the gusset plate is fixedly connected to the lower surface of the seat cushion, and the card hole is opened on the gusset plate.
  • the present invention also provides another fixing structure of a seat cushion and a chassis, comprising at least one snap key disposed on an upper surface of the chassis, the snap key comprising a cylindrical key end and a cylindrical key a rod, the key end is fixed to the upper surface of the chassis by the key rod, and the key end has a cross-sectional radius larger than a cross-sectional radius of the key rod.
  • the fixing structure further includes a gusset plate fixedly connected to the lower surface of the seat cushion, wherein the gusset plate is provided with a card hole corresponding to the number of the engaging keys, and the card hole comprises a large circular hole.
  • the radius of the large circular hole is slightly larger than the radius of the cross-section of the key end
  • the radius of the small circular hole is smaller than the radius of the cross-section of the key end, and is slightly larger than the The radius of the cross section of the key rod
  • the width of the connection between the large circular hole and the small circular hole is not less than the radius of the small round hole, so that the key end of the snap key extends into the large circular hole, and can be moved to the In the small round hole, the card key and the card hole are snapped, and the seat cushion and the chassis are fixed by the connection.
  • a spring piece is further disposed above the connecting position of the large circular hole and the small round hole.
  • the elastic piece is connected to the gusset plate through a connecting portion.
  • connection position of the connecting portion and the gusset plate is located on the opposite side of the edge of the large circular hole and the position where the small circular hole is connected.
  • the lower end of the elastic piece is inclined downward with respect to the top end of the elastic piece.
  • the present invention also provides a seat, the seat further comprising a seat cushion, a chassis and a fixing structure of the seat cushion and the chassis, wherein the fixing structure of the snap key is disposed on the upper surface of the chassis
  • the card hole of the fixing structure is disposed on a lower surface of the seat cushion.
  • the seat has four snap keys and four card holes, and the four card holes are respectively disposed at positions of the four top corners of the seat cushion.
  • the fixing structure of the seat cushion and the chassis of the present invention is fixed by the card hole and the snap key which are arranged on the seat cushion and the chassis, so that the fixing of the seat cushion does not require a screw, and the slight shaking of the seat cushion does not Substantial damage to any part extends the life of the seat.
  • the structural cylinder of the invention is durable and the installation operation is very convenient.
  • FIG. 1 is a structural schematic view of a fixing structure of a seat cushion and a chassis of the present invention (a key end is moved into an aperture state);
  • FIG. 2 is a structural schematic view of a fixing structure of a seat cushion and a chassis of the present invention (the key end is inserted into a large hole state)
  • Figure 3 is a partial enlarged view of the connection between the key end of the snap key of the present invention and the seat cushion;
  • FIG. 4 is a structural view of the chassis of the present invention.
  • Figure 5 is a structural view of a gusset plate of the seat cushion of the present invention. detailed description
  • FIG. 1 is a structural schematic view of a fixing structure of a seat cushion and a chassis of the present invention (a key end is moved into an aperture state);
  • FIG. 2 is a structural schematic view of a fixing structure of a seat cushion and a chassis of the present invention (the key end is inserted into a large hole state)
  • Figure 3 is a partial enlarged view of the connection between the key end of the card key and the seat cushion of the present invention;
  • Figure 4 is a structural view of the chassis of the present invention;
  • Figure 5 is a structural view of the gusset plate of the seat cushion of the present invention.
  • the present invention is a fixed structure of a seat cushion and a chassis.
  • the fixing structure includes at least one snap key 11 disposed on an upper surface of the chassis 01, the snap key 11 includes a cylindrical key end and a cylindrical key rod, The key end is fixed to the upper surface of the chassis 01 by the key rod, and the cross-sectional radius of the key end is larger than the cross-sectional radius of the key rod.
  • the fixing structure further includes a gusset 02 fixedly connected to the lower surface of the seat cushion, and the gusset 02 is opened opposite to the number of the engaging keys 11
  • the card hole, the card hole comprises a large circular hole 22, and a small circular hole 21 communicating with the large circular hole 22, the radius of the large circular hole 22 is slightly larger than the radius of the cross-section of the key end, the small round hole
  • the radius of 21 is smaller than the radius of the cross section of the key end, and is slightly larger than the radius of the cross section of the key rod, and the width of the joint of the large circular hole 22 and the small round hole 21 is not less than the radius of the small round hole 21.
  • a resilient piece is disposed above the connection position of the large circular hole 22 and the small circular hole 21, and the elastic piece is connected to the gusset 02 via the connecting portion 24.
  • the gap between the lower end 25 of the elastic piece and the hole of the card is smaller than the thickness of the key end, so that the key end of the snap key 11 is pressed by the external force against the elastic piece to move above the small circular hole 21 Thereafter, the key end of the snap key 11 is prevented from returning over the large circular hole 22.
  • connection position of the connecting portion 24 and the gusset 02 is located on the opposite side of the edge of the large circular hole 22 from the position at which the small circular hole 21 is connected.
  • the lower end 25 of the shrapnel is inclined downward relative to the top end 23 of the shrapnel.
  • the projected position of the elastic piece in the card hole coincides with the edge position of the key end.
  • the lower end 25 of the elastic piece is pressed against the edge of the key end of the snap key to prevent the snap key from loosening, and the fixing of the seat cushion and the chassis is ensured.
  • the key end of the snap key 11 and the cross section of the key bar may each be a triangle, a rectangle or other polygonal shape.
  • the cross-sectional projection of the key end covers and is larger than the cross-sectional projection of the key bar.
  • the shape of the large hole 22 is similar to the cross section of the key end, and the area of the large hole 22 is slightly larger than the area of the cross section of the key end, and the shape of the small hole 21 and the key rod are
  • the cross-section is similar, and the area of the small hole is smaller than the area of the cross-section of the key end, which is slightly larger than the area of the cross-section of the key rod, and the width of the joint between the large hole 22 and the small hole 21 is not less than small.
  • the maximum width of the hole 21 is such that after the key end of the snap key 11 extends into the large hole, it can be moved into the small hole, thereby fixing the snap key 11 and the card hole.
  • the present invention also provides a seat, the seat further comprising a seat cushion, a chassis and a fixing structure of the seat cushion and the chassis, wherein the fixing structure of the snap key 11 is disposed on the chassis
  • the surface of the fixing structure is disposed on a lower surface of the seat cushion.
  • the fixing structure has four snap keys 11 and four card holes, and the four card holes are respectively disposed at positions of the four top corners of the seat cushion.
  • the fixing structure of the seat cushion and the chassis of the present invention it is only necessary to extend the key end of the snap key on the chassis into the punching hole of the lower surface of the seat cushion, and then push it in the direction of the small hole, and the pressing pressure is small. After the elastic piece enters the small hole in the small hole, the elastic piece is completely returned and laterally abuts against the key end of the clamping key, so that the clamping key is clamped in the card hole, thereby fixing the seat cushion and the chassis.
  • the fixing structure is installed in a tubular manner without screws, and the slight sway of the seat cushion in the structure does not cause any damage to any part, thereby effectively extending the service life of the seat.

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  • Chair Legs, Seat Parts, And Backrests (AREA)

Description

座椅座垫与底盘的固定结构 技术领域
本发明涉及家具技术领域， 特别涉及座椅技术领域， 具体提供一种座椅座垫与底盘的固 定结构。 背景技术
公知的办公椅都包括座垫、 椅脚以及连接座垫和椅脚的底盘部分， 座垫与底盘之间釆 用螺钉等刚性连接。 应用该类刚性连接存在如下缺陷：
一、 当人坐在座垫上时必然会产生一些晃动， 螺钉的螺紋处形成应力集中容易疲劳并 永久性损坏。
二、 组装时需要螺丝刀等专用工具， 较为复杂。 并不适宜反复装拆， 否则会破坏螺钉、 螺孔的螺紋。
三、 组装后椅子占用空间较大， 增加运输及仓储成本。 发明内容
针对现有技术中存在的问题， 本发明提供一种能有效避免座垫与底盘的连接位置产生 损坏， 保证座垫与底盘组装便利的座椅座垫与底盘固定结构。
为了实现上述目的， 本发明座椅座垫与底盘的固定结构， 其包括至少一个设置于所述 的底盘的上表面的卡接键， 以及设置于所述座垫下表面的卡孔， 卡孔与所述的卡接键数量 相对应， 卡接键与卡孔设置于相对应位置上， 卡接键卡设于所述的卡孔内， 并以此连接固 定所述的座垫与底盘。
该座椅座垫与底盘的固定结构中， 所述的卡接键包括一键端和一键杆， 所述的键端通 过该键杆固定于所述的底盘的上表面， 所述的键端的横截面投影覆盖且大于所述的键杆的 横截面投影。 所述的卡孔包括一大孔， 以及与大孔连通的小孔， 大孔的形状与所述的键端 的横截面相似， 且大孔的面积略大于所述的键端横截面的面积， 所述的小孔的形状与所述 的键杆的横截面相似， 且小孔的面积小于所述的键端横截面的面积， 略大于所述的键杆横 截面的面积， 所述的大孔与小孔连接处的宽度不小于小孔的最大宽度， 以使卡接键的键端 伸入所述的大孔后， 可移动至所述的小孔内， 以此使卡接键与卡孔卡设固定。
该座椅座垫与底盘的固定结构中， 在所述的大孔与小孔连接位置的上方还设置有一弹 片， 弹片处于自然状态时， 弹片下端与卡孔间的间隙小于所述的键端的厚度， 以使卡接键 的键端受外力抵压所述弹片移至所述的小孔的上方后， 防止所述的卡接键的键端返回大孔 上方。
该座椅座垫与底盘的固定结构中， 所述弹片通过连接部与所述的座垫相连接。
该座椅座垫与底盘的固定结构中， 所述的卡接键的键端和键杆均为圆柱形， 所述的卡 孔的大孔和小孔均为圆孔。
该座椅座垫与底盘的固定结构中， 所述的大孔的直径略大于所述的键端横截面的直径， 所述的小孔的直径略大于所述的键杆横截面的直径， 大孔与小孔连接位置的长度略大于所 述的键端横截面的半径。
该座椅座垫与底盘的固定结构中， 该固定结构还具有扣板， 所述的扣板固定连接于所 述的座垫下表面， 所述的卡孔开设于所述的扣板上。
本发明还提供另一种座椅座垫与底盘的固定结构， 其包括至少一个设置于所述的底盘 的上表面的卡接键， 该卡接键包括一圆柱形键端和一圆柱形键杆， 所述的键端通过该键杆 固定于所述的底盘的上表面， 所述的键端的横截面半径大于所述的键杆的横截面半径。 该 固定结构还包括固定连接于所述的座垫的下表面的扣板， 该扣板上开设有与所述的卡接键 数量相对应的卡孔， 所述的卡孔包括一大圆孔， 以及与大圆孔连通的小圆孔， 大圆孔的半 径略大于所述的键端横截面半径， 所述的小圆孔的半径小于所述的键端横截面的半径， 并 略大于所述的键杆横截面的半径， 所述的大圆孔与小圆孔连接处的宽度不小于小圆孔的半 径， 以使卡接键的键端伸入所述的大圆孔后， 可移动至所述的小圆孔内， 卡接所述的卡接 键与卡孔， 并以此连接固定所述的座垫与底盘。
该座椅座垫与底盘的固定结构中， 在所述的大圆孔与小圆孔连接位置的上方还设置有 一弹片， 弹片处于自然状态时， 弹片下端与卡孔间的间隙小于所述的键端的厚度， 以使卡 接键的键端受外力抵压所述弹片移至所述的小圆孔的上方后， 防止该卡接键的键端返回大 圆孔上方。
该座椅座垫与底盘的固定结构中， 所述弹片通过连接部与所述的扣板相连接。
该座椅座垫与底盘的固定结构中， 所述的连接部与扣板的连接位置位于大圆孔边缘上 与小圆孔连接位置的相对一侧。
该座椅座垫与底盘的固定结构中， 所述弹片下端相对于弹片顶端向下倾斜。
该座椅座垫与底盘的固定结构中， 在卡接键卡设于所述的小圆孔时， 所述弹片在卡孔 中的投影位置与键端的边缘位置重合。 本发明还提供一种座椅， 该座椅还包括座垫、 底盘以及所述的座椅座垫与底盘的固定 结构， 所述的固定结构的卡接键设置于所述的底盘的上表面， 所述的固定结构的卡孔设置 于所述的座垫的下表面。
该座椅具有四个卡接键和四个卡孔， 所述的四个卡孔分别设置于所述座垫四个顶角的 位置。
本发明的座椅座垫与底盘的固定结构， 由于其通过分设于座垫和底盘上的卡孔和卡接 键卡接固定， 所以固定座垫时无需螺钉， 座垫的轻微晃动不会对任何零件造成实质性的损 害， 延长了座椅的使用寿命。 安装具有本发明的固定结构的座椅时， 只需将底盘上的卡接 键的键端插入座垫上的大孔中， 并往小孔方向推压， 抵压小弹片使卡接键进入小孔中后， 弹片完全归位并侧向抵住卡接键的键端， 即可将卡接键卡设于卡孔中， 从而固定座垫与底 盘。 该发明的结构筒单耐用， 且安装操作十分筒便。 附图说明
图 1为本发明座椅座垫与底盘的固定结构的结构示意图 （键端移入小孔状态）； 图 2为本发明座椅座垫与底盘的固定结构的结构示意图 （键端插入大孔状态）； 图 3为本发明的卡接键的键端与座垫的连接处的局部放大图；
图 4为本发明底盘的结构图；
图 5为本发明座垫的扣板的结构图。 具体实施方式
下面结合附图对本发明优选实施例进行进一步说明：
图 1为本发明座椅座垫与底盘的固定结构的结构示意图（键端移入小孔状态）； 图 2为本 发明座椅座垫与底盘的固定结构的结构示意图（键端插入大孔状态）； 图 3为本发明的卡接键 的键端与座垫的连接处的局部放大图； 图 4为本发明底盘的结构图； 图 5为本发明座垫的扣 板的结构图。
如图所示， 本发明为一种座椅座垫与底盘的固定结构。
在一种实施方式中， 该固定结构包括至少一个设置于所述的底盘 01 的上表面的卡接键 11 , 该卡接键 11包括一圆柱形键端和一圆柱形键杆， 所述的键端通过该键杆固定于所述的底 盘 01的上表面， 所述的键端的横截面半径大于所述的键杆的横截面半径。该固定结构还包括 固定连接于所述的座垫的下表面的扣板 02, 该扣板 02上开设有与所述的卡接键 11数量相对 应的卡孔， 所述的卡孔包括一大圆孔 22, 以及与大圆孔 22连通的小圆孔 21 , 大圆孔 22的半 径略大于所述的键端横截面半径， 所述的小圆孔 21的半径小于所述的键端横截面的半径， 并 略大于所述的键杆横截面的半径， 所述的大圆孔 22与小圆孔 21连接处的宽度不小于小圆孔 21的半径， 以使卡接键 11的键端伸入所述的大圆孔 22后， 可移动至所述的小圆孔 21 内， 卡接所述的卡接键 11与卡孔， 并以此连接固定所述的座垫与底盘。
在一种较优选的实施方式中， 在所述的大圆孔 22与小圆孔 21连接位置的上方还设置有 一弹片， 该弹片通过连接部 24与所述的扣板 02相连接。 弹片处于自然状态时， 弹片下端 25 与卡孔间的间隙小于所述的键端的厚度，以使卡接键 11的键端受外力抵压所述弹片移至所述 的小圆孔 21的上方后， 防止该卡接键 11的键端返回大圆孔 22上方。
在进一步优选的实施方式中，所述的连接部 24与扣板 02的连接位置位于大圆孔 22边缘 上与小圆孔 21连接位置的相对一侧。 弹片下端 25相对于弹片顶端 23向下倾斜。
在更为优选的实施方式中， 在卡接键 11卡设于所述的小圆孔 21时， 所述弹片在卡孔中 的投影位置与键端的边缘位置重合。 以使弹片下端 25抵压住卡接键的键端边缘， 防止卡接键 松动， 保证座垫与底盘的固定牢靠。
在其它实施方式中， 所述的卡接键 11的键端和键杆的横截面均可以为三角形、矩形或其 它多边形。 所述的键端的横截面投影覆盖且大于所述的键杆的横截面投影。 所述的大孔 22的 形状与所述的键端的横截面相似， 且大孔 22的面积略大于所述的键端横截面的面积， 所述的 小孔 21的形状与所述的键杆的横截面相似， 且小孔的面积小于所述的键端横截面的面积， 略 大于所述的键杆横截面的面积，所述的大孔 22与小孔 21连接处的宽度不小于小孔 21的最大 宽度， 以使卡接键 11 的键端伸入所述的大孔后， 可移动至所述的小孔内， 以此使卡接键 11 与卡孔卡设固定。
本发明还提供一种座椅， 该座椅还包括座垫、 底盘以及所述的座椅座垫与底盘的固定结 构， 所述的固定结构的卡接键 11设置于所述的底盘的上表面， 所述的固定结构的卡孔设置于 所述的座垫的下表面。 该固定结构具有四个卡接键 11和四个卡孔， 所述的四个卡孔分别设置 于所述座垫四个顶角的位置。
安装本发明的座椅座垫与底盘的固定结构时， 仅需将底盘上的卡接键的键端均伸入座垫 下表面的打孔中， 然后往小孔方向推压， 抵压小弹片使卡接键进入小孔中后， 弹片完全归位 并侧向抵住卡接键的键端， 即可将卡接键卡设于卡孔中， 从而固定座垫与底盘。 本固定结构 的安装方法筒便， 无需螺钉， 且该结构中， 座垫的轻微晃动不会对任何零件造成实质性的损 害， 从而有效延长了座椅的的使用寿命。

Claims

权利要求
1、 座椅座垫与底盘的固定结构， 其特征在于： 该固定结构包括
至少一个卡接键 (11), 设置于所述的底盘（01) 的上表面；
卡孔， 设置于所述座垫下表面， 且与所述的卡接键（ 11 )数量相对应；
所述的卡接键 ( 11 ) 与卡孔设置于相对应位置上， 卡接键（ 11 )卡设于所述的卡孔内， 并以此连接固定所述的座垫与底盘。
2、 如权利要求 1所述的座椅座垫与底盘的固定结构， 其特征在于：
所述的卡接键（ 11 )包括一键端和一键杆，所述的键端通过该键杆固定于所述的底盘（ 01 ) 的上表面， 所述的键端的横截面投影覆盖且大于所述的键杆的横截面投影；
所述的卡孔包括一大孔（22), 以及与大孔（22)连通的小孔（21), 大孔（22) 的形状 与所述的键端的横截面相似， 且大孔（22) 的面积略大于所述的键端横截面的面积， 所述的 小孔（21)的形状与所述的键杆的横截面相似， 且小孔的面积小于所述的键端横截面的面积， 略大于所述的键杆横截面的面积， 所述的大孔（22) 与小孔（21)连接处的宽度不小于小孔 (21) 的最大宽度， 以使卡接键（ 11 ) 的键端伸入所述的大孔后， 可移动至所述的小孔内， 以此使卡接键 (11) 与卡孔卡设固定。
3、 如权利要求 2所述的座椅座垫与底盘的固定结构， 其特征在于： 在所述的大孔（22) 与小孔（21) 连接位置的上方还设置有一弹片， 弹片处于自然状态时， 弹片下端 （25) 与卡 孔间的间隙小于所述的键端的厚度， 以使卡接键 (11) 的键端受外力抵压所述弹片移至所述 的小孔 (21 ) 的上方后， 防止所述的卡接键（11) 的键端返回大孔（22)上方。
4、 如权利要求 3所述的座椅座垫与底盘的固定结构， 其特征在于： 所述弹片通过连接部 (24) 与所述的座垫相连接。
5、 如权利要求 2所述的座椅座垫与底盘的固定结构， 其特征在于： 所述的卡接键（11) 的键端和键杆均为圆柱形， 所述的卡孔的大孔（22)和小孔 (21) 均为圆孔。
6、 如权利要求 5所述的座椅座垫与底盘的固定结构， 其特征在于： 所述的大孔（22) 的 直径略大于所述的键端横截面的直径， 所述的小孔（21) 的直径略大于所述的键杆横截面的 直径， 大孔（22) 与小孔 (21)连接位置的长度略大于所述的键端横截面的半径。
7、 如权利要求 1所述的座椅座垫与底盘的固定结构， 其特征在于： 该固定结构还具有扣 板（ 02 ),所述的扣板（ 02 )固定连接于所述的座垫下表面，所述的卡孔开设于所述的扣板（ 02 ) 上。
8、 一种座椅座垫与底盘的固定结构， 其特征在于： 该固定结构包括
至少一个卡接键 ( 11 ), 设置于所述的底盘（01 )的上表面， 该卡接键 ( 11 ) 包括一圆柱 形键端和一圆柱形键杆， 所述的键端通过该键杆固定于所述的底盘（01) 的上表面， 所述的 键端的横截面半径大于所述的键杆的横截面半径；
扣板（ 02 ), 固定连接于所述的座垫的下表面，该扣板（ 02 )上开设有与所述的卡接键（ 11 ) 数量相对应的卡孔，所述的卡孔包括一大圆孔（ 22 ), 以及与大圆孔（ 22 )连通的小圆孔（ 21 ), 大圆孔（22) 的半径略大于所述的键端横截面半径， 所述的小圆孔（21) 的半径小于所述的 键端横截面的半径， 并略大于所述的键杆横截面的半径， 所述的大圆孔（22)与小圆孔（21) 连接处的宽度不小于小圆孔（21 )的半径， 以使卡接键 ( 11 )的键端伸入所述的大圆孔（22) 后， 可移动至所述的小圆孔（21) 内， 卡接所述的卡接键（11) 与卡孔， 并以此连接固定所 述的座垫与底盘。
9、 如权利要求 8所述的座椅座垫与底盘的固定结构， 其特征在于： 在所述的大圆孔（22) 与小圆孔（21 )连接位置的上方还设置有一弹片， 弹片处于自然状态时， 弹片下端 （25) 与 卡孔间的间隙小于所述的键端的厚度， 以使卡接键（11) 的键端受外力抵压所述弹片移至所 述的小圆孔 (21) 的上方后， 防止该卡接键 (11) 的键端返回大圆孔（22)上方。
10、 如权利要求 9所述的座椅座垫与底盘的固定结构， 其特征在于： 所述弹片通过连接部 (24) 与所述的扣板（02)相连接。
11、 如权利要求 10所述的座椅座垫与底盘的固定结构， 其特征在于： 所述的连接部（24) 与扣板（02) 的连接位置位于大圆孔（22)边缘上与小圆孔（21)连接位置的相对一侧。
12、 如权利要求 10所述的座椅座垫与底盘的固定结构， 其特征在于： 所述弹片下端（25) 相对于弹片顶端 （23) 向下倾斜。
13、 如权利要求 9所述的座椅座垫与底盘的固定结构， 其特征在于： 在卡接键（11)卡设 于所述的小圆孔（21) 时， 所述弹片在卡孔中的投影位置与键端的边缘位置重合。
14、 一种座椅， 其包括座垫和底盘， 其特征在于， 该座椅还包括如权利要求 1或 8所述的 座椅座垫与底盘的固定结构， 所述的固定结构的卡接键 ( 11 )设置于所述的底盘的上表面， 所述的固定结构的卡孔设置于所述的座垫的下表面。
15、 如权利要求 14所述的座椅， 其特征在于： 该座椅具有四个卡接键（ 11 )和四个卡孔， 所述的四个卡孔分别设置于所述座垫四个顶角的位置。
PCT/CN2011/073701 2010-12-21 2011-05-05 座椅座垫与底盘的固定结构 WO2012083630A1 (zh)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002136385A (ja) * 2000-11-02 2002-05-14 Okamura Corp 椅子における座の取付装置
CN201341640Y (zh) * 2009-03-05 2009-11-11 陈千奎 椅子底盘
CN201398702Y (zh) * 2008-12-30 2010-02-10 杜亚伦 椅子座板与底盘之连接结构
CN201612371U (zh) * 2009-12-22 2010-10-27 陈刚 一种转椅底盘托

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002136385A (ja) * 2000-11-02 2002-05-14 Okamura Corp 椅子における座の取付装置
CN201398702Y (zh) * 2008-12-30 2010-02-10 杜亚伦 椅子座板与底盘之连接结构
CN201341640Y (zh) * 2009-03-05 2009-11-11 陈千奎 椅子底盘
CN201612371U (zh) * 2009-12-22 2010-10-27 陈刚 一种转椅底盘托

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