WO2008011749A1 - Connection member of crossed poles for foldable chair - Google Patents

Connection member of crossed poles for foldable chair Download PDF

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Publication number
WO2008011749A1
WO2008011749A1 PCT/CN2006/001454 CN2006001454W WO2008011749A1 WO 2008011749 A1 WO2008011749 A1 WO 2008011749A1 CN 2006001454 W CN2006001454 W CN 2006001454W WO 2008011749 A1 WO2008011749 A1 WO 2008011749A1
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WO
WIPO (PCT)
Prior art keywords
column
holes
struts
poles
connector
Prior art date
Application number
PCT/CN2006/001454
Other languages
French (fr)
Chinese (zh)
Inventor
Hui Chen
Original Assignee
Hui Chen
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 Hui Chen filed Critical Hui Chen
Priority to JP2009600020U priority Critical patent/JP3155581U/en
Priority to PCT/CN2006/001454 priority patent/WO2008011749A1/en
Publication of WO2008011749A1 publication Critical patent/WO2008011749A1/en

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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
    • A47C4/00—Foldable, collapsible or dismountable chairs
    • A47C4/28—Folding chairs with flexible coverings for the seat or back elements
    • A47C4/286—Folding chairs with flexible coverings for the seat or back elements foldable side to side and front to back, e.g. umbrella type

Definitions

  • the present invention relates to a leisure folding chair connector, and more particularly to a cross bar connector.
  • BACKGROUND OF THE INVENTION Most of the commonly used leisure folding chairs are connected by a cross-pivot connection to meet the functions of deployable support and convenient collection. As shown in Fig. 1, usually the two intersecting support rods are connected by a rivet. In use, the joint is a force receiving place. For a long time, the rivet is easily deformed or even broken, which affects the service life and use of the chair. Security.
  • the utility model patent No. 00255139 discloses a "cross-connecting member of a leisure chair pole", which is a cylinder, and two cylinders are radially opened. "8" shaped through hole; two struts are inserted in two “8" shaped through holes and fixed to the cylinder by rivets; a gap between the two "8" shaped through holes is also formed Angle.
  • the two rods of the leisure chair can be connected by the connecting member, and can be rotated and rotated in the "8"-shaped through hole to realize the crossing and closing of the strut, so that the contact area of the strut connection is increased, avoiding When the rivet is used for a long time, it will be deformed and broken, which will improve the service life of the chair.
  • the connecting member of the structure on which the "8"-shaped through hole for the simultaneous movement of the two struts is required, the overall volume of the connecting member is relatively large, that is, the material is wasted and the appearance is not favorable; the other two Frequent rotation of the rod in the through hole 5 will cause the struts to easily wear out with the hole wall, such as stripping of the struts or thinning of the rod wall and deformation of the rod to affect the service life of the chair. .
  • the utility model discloses a "connection structure of a bracket cross rod" disclosed in the utility model, wherein the base of the coupling member is a sleeve, and the outer wall of the sleeve extends outward to form a section and a sleeve body.
  • a bracket having an angled upper end and an arcuate groove is formed.
  • One of the two rods is sleeved in the sleeve, and the other rod is hooked into the bracket of the coupling.
  • An object of the present invention is to provide a structure that is simple in structure, small in size, and supports a support rod while supporting High strength cross bar connector.
  • the solution of the present invention is: a cross-bar connecting member integrally formed with two column holes for accommodating the struts, wherein the opposite side walls of one of the column holes are respectively from the upper end surface and the lower side
  • the end surface is provided with a U-shaped groove communicating with the column hole; the two struts are respectively inserted into the two column holes, and are pivotally connected to the two column holes through the pivoting member.
  • the connecting member is provided with a pivoting hole extending transversely through the two column holes at an intermediate position between the two column holes.
  • the U-shaped groove has a depth greater than half the height of the column hole.
  • the groove bottom of the U-shaped groove is a slope from the inside to the outside.
  • the connecting member of the present invention is provided with only two column holes on one module, the connection of the two supporting rods is realized, and at the same time, the U-shaped groove of the two side walls of one of the column holes is arranged to make the two branches
  • the rod can realize the function of cross-expansion and close-up.
  • the structure is simple and small in size. Since the connector has two column holes arranged side by side on only one module, one of the column holes is always sleeved with one of the rods, and the other rod is slotted. The column hole rotates, so that the connecting member has a relatively small volume and a simple structure; in addition, the strut rotates in the U-shaped groove, and wear is not easily generated.
  • FIG. 1 is a schematic view showing the implementation of a conventional article
  • Figure 2 is an exploded perspective view of the prior art 1;
  • Figure 3 is a schematic view showing the implementation of the prior art 1;
  • Figure 4 is an exploded perspective view of Prior Art 2;
  • Figure 5 is a schematic view showing the implementation of the prior art 2;
  • Figure 6 is a perspective view of the present invention.
  • Figure 7 is a schematic view of the assembly 1 of the present invention.
  • Figure 8 is a schematic view of the assembly of the present invention 2.
  • Figure 9 is a diagram showing the state of implementation of the present invention.
  • Figure 10 is a second embodiment of the present invention.
  • the cross-bar connecting member of the present invention is integrally formed with a column hole 1, 2 of two accommodating struts 31, 32 which are juxtaposed on a module, and the two column holes 1, 2 Middle position Providing a pivot hole extending transversely through the two column holes 1, 2;
  • the opposite side walls of one of the column holes 1 respectively have U-shaped grooves 11 and 12 communicating with the column hole 1 from the upper end surface and the lower end surface; the depth of the two U-shaped grooves 11 and 12 is greater than the height of the column hole 1 Half, the depth is the angle at which the struts 31, 32 are unfolded. The greater the depth, the larger the angle of deployment; the groove bottoms of the U-shaped grooves 11, 12 are inclined faces 111, 121 from the inside to the outside to match the struts 32. It fits more closely when the rendering is expanded.
  • one of the two rods 31, 32 of the leisure chair 32 is always in the column hole 2, and the other rod 31 is at two U.
  • the grooves 11 and 12 are rotated, and the struts 32 intersect (as shown in FIG. 9) and are close together (as shown in FIG. 10).
  • the depth of the two U-shaped grooves 11, 12 determines the height of the seat when the leisure chair is deployed. . Since the strut 31 is supported by the bottom of the two U-shaped slots 11, 12 when the crossbar is deployed, the contact area of the connecting member with the crossbars 31, 32 is large, and the joint is stressed.
  • the strength is also large, and there is no phenomenon that the pivoting member (rivet) 4 is deformed and broken after being used for a long time, thereby improving the service life of the chair; since the connecting member is provided with two column holes 1 in parallel on only one module 2, one of the column holes 2 is always sleeved with one of the struts 32, and the other struts 31 are rotated in the slotted column hole 1, so that the connector has a relatively small volume and a simple structure; The rod 31 rotates in the U-shaped grooves 11, 12 and is also less prone to wear.

Landscapes

  • Assembled Shelves (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

A connection member of crossed poles for a foldable chair comprises two paratactic cylindrical holes formed integrally, which are used to accommodate the poles. Wherein U-type grooves are provided on the opposite upper and lower side wall of the cylindrical holes respectively, and each of the U-type grooves may pass through the cylindrical holes. The U-type grooves are opened from the upper surface or the lower surface of the cylindrical holes. The two poles are inserted into the two cylindrical holes respectively, and pivotally attached to the poles by pivotal members.

Description

用干折叠椅的交叉杆连抟件 技术领域 本发明属于休闲折叠椅连接件， 特别是指一种交叉杆连接件。 背景技术 目前常见的休闲折叠椅中多数杆件都是采用交叉枢接的连接方 式， 以满足可展开支撑与方便收 ^^的功能。 配合图 1所示， 通常两交 叉的支撑杆之间是通过一铆钉连接， 使用中， 该连接处为受力处， 时 间一长， 铆钉容易变形， 甚至是断裂， 影响椅子的使用寿命及使用的 安全性。  BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a leisure folding chair connector, and more particularly to a cross bar connector. BACKGROUND OF THE INVENTION Most of the commonly used leisure folding chairs are connected by a cross-pivot connection to meet the functions of deployable support and convenient collection. As shown in Fig. 1, usually the two intersecting support rods are connected by a rivet. In use, the joint is a force receiving place. For a long time, the rivet is easily deformed or even broken, which affects the service life and use of the chair. Security.
如图 2、 3所示， 为改变上述问题， 专利号为 00255139的实用新 型公开了一种 《休闲椅支杆的交叉连接件》， 其为一圓柱体， 圓柱体 上径向开设有两个 "8" 字型通孔； 两根支杆分别穿插在两个 "8" 字 型通孔中， 并通过铆钉固定在圓柱体上； 两个 "8" 字型通孔之间还 可形成一夹角。 这样， 休闲椅的两支杆可通过该连接件相连接， 并通 过在 "8" 字型通孔中转动， 来实现支杆的交叉与并拢， 令支杆连接 处的接触面积加大， 避免铆钉长时间使用后受力变形、 断裂的现象出 现， 提高椅子的使用寿命。  As shown in FIG. 2 and FIG. 3, in order to change the above problem, the utility model patent No. 00255139 discloses a "cross-connecting member of a leisure chair pole", which is a cylinder, and two cylinders are radially opened. "8" shaped through hole; two struts are inserted in two "8" shaped through holes and fixed to the cylinder by rivets; a gap between the two "8" shaped through holes is also formed Angle. In this way, the two rods of the leisure chair can be connected by the connecting member, and can be rotated and rotated in the "8"-shaped through hole to realize the crossing and closing of the strut, so that the contact area of the strut connection is increased, avoiding When the rivet is used for a long time, it will be deformed and broken, which will improve the service life of the chair.
但是该结构的连接件，其上需要设置的供两个支杆同时相对运动 的 "8" 字型通孔， 则该连接件整体体积相对较大 , 即浪费材料又不 利于美观； 另外两支杆在通孔经常转动 5 会使支杆容易与孔壁产生磨 损， 如支杆脱漆或是杆壁变薄以及杆件变形等， 以影响椅子的使用寿 命。 . However, the connecting member of the structure, on which the "8"-shaped through hole for the simultaneous movement of the two struts is required, the overall volume of the connecting member is relatively large, that is, the material is wasted and the appearance is not favorable; the other two Frequent rotation of the rod in the through hole 5 will cause the struts to easily wear out with the hole wall, such as stripping of the struts or thinning of the rod wall and deformation of the rod to affect the service life of the chair. .
如图 4、 5所示， 专利号为 03216172的实用新型公开的《一种支 架交叉杆的连接结构》， 其中联接件的基体为套管， 套筒外壁体向外 延伸形成一段与套筒体构成夹角的、上端为弧形槽的托架， 两支杆的 一个支杆是套置于套管中， 另一支杆挂靠于该联接件的托架内。  As shown in FIG. 4 and FIG. 5, the utility model discloses a "connection structure of a bracket cross rod" disclosed in the utility model, wherein the base of the coupling member is a sleeve, and the outer wall of the sleeve extends outward to form a section and a sleeve body. A bracket having an angled upper end and an arcuate groove is formed. One of the two rods is sleeved in the sleeve, and the other rod is hooked into the bracket of the coupling.
该结构虽然克服了上述连接件体积大， 容易磨损支杆的缺点， 但 是， 该开放式的联接件在实际使用中， 托架接受椅座的受力， 应力是 集中在托架与套管的连接处， 当体重较重的使用者用力座于椅座上 时， 此托架容易从套管连接处断裂， 因而该结构的联接件， 其强度不 佳， 寿命有限。 发明内容 本发明的目的是提供一种结构简单、体积小、保护支杆同时支撑 强度高的交叉杆连接件。 Although the structure overcomes the disadvantages of the above-mentioned connecting piece being large in size and easy to wear the strut, the open type connecting member is in practical use, the bracket receives the force of the seat, and the stress is concentrated on the bracket and the sleeve. At the joint, when a heavy-weight user is seated on the seat, the bracket is easily broken from the joint of the sleeve, and thus the coupling of the structure has poor strength and limited life. SUMMARY OF THE INVENTION An object of the present invention is to provide a structure that is simple in structure, small in size, and supports a support rod while supporting High strength cross bar connector.
为实现上述目的， 本发明的解决方案是： 一种交叉杆件连接件， 其一体成型有并列的两容置支杆的柱孔，其中一柱孔相对的两侧壁分 别自上端面及下端面开设有与该柱孔相通的 U型槽； 两根支杆分别 穿插在两柱孔中， 并通过枢接件枢接两柱孔上。  In order to achieve the above object, the solution of the present invention is: a cross-bar connecting member integrally formed with two column holes for accommodating the struts, wherein the opposite side walls of one of the column holes are respectively from the upper end surface and the lower side The end surface is provided with a U-shaped groove communicating with the column hole; the two struts are respectively inserted into the two column holes, and are pivotally connected to the two column holes through the pivoting member.
该连接件在两柱孔的中间位置设有横向贯穿两柱孔的枢接孔。 该 U型槽的深度大于柱孔高度的一半。  The connecting member is provided with a pivoting hole extending transversely through the two column holes at an intermediate position between the two column holes. The U-shaped groove has a depth greater than half the height of the column hole.
该 U型槽的槽底为自内向外的斜面。  The groove bottom of the U-shaped groove is a slope from the inside to the outside.
采用上述方案后 ,由于本发明的连接件仅在一个模块上设有两个 柱孔， 实现两根支杆的连接， 同时其中一个柱孔两侧壁 U型开槽的 设置，使两根支杆可以实现交叉展开与并拢的功能。 因而本发明具有 口下优点：  After adopting the above solution, since the connecting member of the present invention is provided with only two column holes on one module, the connection of the two supporting rods is realized, and at the same time, the U-shaped groove of the two side walls of one of the column holes is arranged to make the two branches The rod can realize the function of cross-expansion and close-up. Thus the invention has the advantage of:
1、 结构筒单、 体积小， 由于该连接件仅在一个模块上设有并列 的两个柱孔， 其中一个柱孔始终与其中的一个支杆套接， 另一个支杆 在具开槽的柱孔中转动， 因而该连接件相对体积较小、 结构简单； 另 外， 支杆在此 U型开槽中转动， 亦不易产生磨损。  1. The structure is simple and small in size. Since the connector has two column holes arranged side by side on only one module, one of the column holes is always sleeved with one of the rods, and the other rod is slotted. The column hole rotates, so that the connecting member has a relatively small volume and a simple structure; in addition, the strut rotates in the U-shaped groove, and wear is not easily generated.
2、 支撑强度高， 由于相对该连接件转动的支杆在椅子展开时， 该支杆是受两 U型开槽的槽底支撑抵靠， 因而其与交叉杆的接触面 积大， 则此连接处的受力强度亦大， 不会出现铆钉长时间使用后受力 变形、 断裂的现象， 提高椅子的使用寿命。 附图说明 图 1是习用品的实施示意图；  2. The supporting strength is high. Since the strut rotating relative to the connecting member is supported by the bottom of the two U-shaped slots when the chair is deployed, the contact area with the cross bar is large, and the connecting is large. The strength of the force is also large, and there is no phenomenon that the rivet is deformed and broken after being used for a long time, and the service life of the chair is improved. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view showing the implementation of a conventional article;
图 2是在先技术 1的立体分解图；  Figure 2 is an exploded perspective view of the prior art 1;
图 3是在先技术 1的实施示意图；  Figure 3 is a schematic view showing the implementation of the prior art 1;
图 4是在先技术 2的立体分解图； .  Figure 4 is an exploded perspective view of Prior Art 2;
图 5是在先技术 2的实施示意图；  Figure 5 is a schematic view showing the implementation of the prior art 2;
图 6是本发明的立体示意图；  Figure 6 is a perspective view of the present invention;
图 7是本发明的组装示意图 1 ;  Figure 7 is a schematic view of the assembly 1 of the present invention;
图 8是本发明的组装示意图 2;  Figure 8 is a schematic view of the assembly of the present invention 2;
图 9是本发明的实施状态图 1 ;  Figure 9 is a diagram showing the state of implementation of the present invention;
图 10是本发明的实施状态图 2。 具体实施方式 如图 6所示， 本发明的交叉杆连接件， 是在一模块上一体成型有 并列的两容置支杆 31、 32的柱孔 1、 2, 在该两柱孔 1、 2的中间位 置设有横向贯穿两柱孔 1、 2的枢接孔； Figure 10 is a second embodiment of the present invention. DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS As shown in FIG. 6, the cross-bar connecting member of the present invention is integrally formed with a column hole 1, 2 of two accommodating struts 31, 32 which are juxtaposed on a module, and the two column holes 1, 2 Middle position Providing a pivot hole extending transversely through the two column holes 1, 2;
其中一柱孔 1 相对的两侧壁分别自上端面及下端面开设有与该 柱孔 1相通的 U型槽 11、 12; 该两 U型槽 11、 12的深度是大于柱孔 1 高度的一半， 该深度是决定支杆 31、 32展开的角度， 深度愈大则 展开的角度愈大； 该 U型槽 11、 12的槽底为自内向外的斜面 111、 121 , 以配合支杆 32呈现展开时与其更加贴合。  The opposite side walls of one of the column holes 1 respectively have U-shaped grooves 11 and 12 communicating with the column hole 1 from the upper end surface and the lower end surface; the depth of the two U-shaped grooves 11 and 12 is greater than the height of the column hole 1 Half, the depth is the angle at which the struts 31, 32 are unfolded. The greater the depth, the larger the angle of deployment; the groove bottoms of the U-shaped grooves 11, 12 are inclined faces 111, 121 from the inside to the outside to match the struts 32. It fits more closely when the rendering is expanded.
配合图 7、 8所示， 本发明组装时， 椅子的一组两根支杆 31、 32 是分别穿插在两柱孔 1、 2中， 并通过枢接件 4枢接两柱孔 1、 2上。  As shown in FIGS. 7 and 8, when the present invention is assembled, a set of two struts 31, 32 of the chair are respectively inserted into the two column holes 1, 2, and the two column holes 1, 2 are pivotally connected by the pivoting member 4. on.
如图 9、 10所示， 当本发明在休闲椅具体实施时， 休闲椅的两支 杆 31、 32的其中一支杆 32是始终在柱孔 2中， 另一支杆 31可在两 U型槽 11、 12中转动， 相对支杆 32交叉（如图 9所示）与并拢（如 图 10所示）， 两 U型槽 11、 12的深度的大小决定休闲椅展开时椅座 的高低。 由于交叉杆在椅子展开时， 支杆 31是受两 U型开槽 11、 12 的槽底支撑抵靠， 因而该连接件与交叉杆 31、 32的接触面积大， 则 此连接处的受力强度亦大， 不会出现枢接件（铆钉） 4长时间使用后 受力变形、 断裂的现象， 提高椅子的使用寿命； 由于该连接件仅在一 个模块上设有并列的两个柱孔 1、 2, 其中一个柱孔 2始终与其中的 一个支杆 32套接， 另一个支杆 31在具开槽的柱孔 1中转动， 因而该 连接件相对体积较小、 结构简单； 另外， 支杆 31在此 U型开槽 11、 12中转动, 亦不易产生磨损。  As shown in FIGS. 9 and 10, when the present invention is embodied in a leisure chair, one of the two rods 31, 32 of the leisure chair 32 is always in the column hole 2, and the other rod 31 is at two U. The grooves 11 and 12 are rotated, and the struts 32 intersect (as shown in FIG. 9) and are close together (as shown in FIG. 10). The depth of the two U-shaped grooves 11, 12 determines the height of the seat when the leisure chair is deployed. . Since the strut 31 is supported by the bottom of the two U-shaped slots 11, 12 when the crossbar is deployed, the contact area of the connecting member with the crossbars 31, 32 is large, and the joint is stressed. The strength is also large, and there is no phenomenon that the pivoting member (rivet) 4 is deformed and broken after being used for a long time, thereby improving the service life of the chair; since the connecting member is provided with two column holes 1 in parallel on only one module 2, one of the column holes 2 is always sleeved with one of the struts 32, and the other struts 31 are rotated in the slotted column hole 1, so that the connector has a relatively small volume and a simple structure; The rod 31 rotates in the U-shaped grooves 11, 12 and is also less prone to wear.

Claims

权 利 要 求 Rights request
1、 一种交叉杆连接件， 其特征在于： 其一体成型有并列的两容 置支杆的柱孔，其中一柱孔相对的两侧壁分别自上端面及下端面开设 有与该柱孔相通的 U型槽； 两根支杆分别穿插在两柱孔中， 并通过 枢接件枢接两柱孔上。 A cross-bar connecting member, characterized in that: a column hole of two juxtaposed struts arranged in parallel, wherein two opposite side walls of a column hole are respectively opened from the upper end surface and the lower end surface The U-shaped slots are connected; the two struts are respectively inserted into the two-column holes, and are pivotally connected to the two-column holes through the pivoting members.
2、 如权利要求 1所述的交叉杆连接件， 其特征在于： 该连接件 在两柱孔的中间位置设有横向贯穿两柱孔的枢接孔。  2. The cross bar connector of claim 1 wherein: the connector is provided with a pivot hole extending transversely through the two post holes at an intermediate position of the two post holes.
3、 如权利要求 1所述的交叉杆连接件， 其特征在于： 该 U型槽 的深度大于柱孔高度的一半。  3. The crossbar connector of claim 1 wherein: the U-shaped groove has a depth greater than one-half of the height of the post.
4、 如权利要求 1或 3所述的交叉杆连接件， 其特征在于： 该 U 型槽的槽底为自内向外的斜面。  4. The cross bar connector of claim 1 or 3, wherein: the groove bottom of the U-shaped groove is a slope from the inside to the outside.
PCT/CN2006/001454 2006-06-26 2006-06-26 Connection member of crossed poles for foldable chair WO2008011749A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009600020U JP3155581U (en) 2006-06-26 2006-06-26 Crossbar connecting parts
PCT/CN2006/001454 WO2008011749A1 (en) 2006-06-26 2006-06-26 Connection member of crossed poles for foldable chair

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Application Number Priority Date Filing Date Title
PCT/CN2006/001454 WO2008011749A1 (en) 2006-06-26 2006-06-26 Connection member of crossed poles for foldable chair

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11241097B2 (en) 2019-06-04 2022-02-08 Yeti Coolers, Llc Portable chair

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Cited By (1)

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US11241097B2 (en) 2019-06-04 2022-02-08 Yeti Coolers, Llc Portable chair

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