CN116687121A - 一种用于家具的可调节支架 - Google Patents

一种用于家具的可调节支架 Download PDF

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Publication number
CN116687121A
CN116687121A CN202310725417.3A CN202310725417A CN116687121A CN 116687121 A CN116687121 A CN 116687121A CN 202310725417 A CN202310725417 A CN 202310725417A CN 116687121 A CN116687121 A CN 116687121A
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China
Prior art keywords
elastic member
receiving portion
adjustable bracket
furniture
knob
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CN202310725417.3A
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王丽丽
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Shenzhen Chuangboyou Technology Development Co ltd
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Shenzhen Chuangboyou Technology Development Co ltd
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Priority to CN202310725417.3A priority Critical patent/CN116687121A/zh
Priority to US18/446,667 priority patent/US11864660B1/en
Publication of CN116687121A publication Critical patent/CN116687121A/zh
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B13/00—Details of tables or desks
    • A47B13/02—Underframes
    • 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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B3/00—Folding or stowable tables
    • A47B3/002—Folding or stowable tables with foldable underframe
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B3/00—Folding or stowable tables
    • A47B3/08—Folding or stowable tables with legs pivoted to top or underframe
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B3/00—Folding or stowable tables
    • A47B3/08—Folding or stowable tables with legs pivoted to top or underframe
    • A47B3/0803—Folding or stowable tables with legs pivoted to top or underframe the legs rotating around a vertical axis
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/20—Chairs or stools with vertically-adjustable seats
    • A47C3/36—Chairs or stools with vertically-adjustable seats with means, or adapted, for inclining the legs of the chair or stool for varying height of seat
    • 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
    • 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
    • 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
    • A47C4/32—Folding chairs with flexible coverings for the seat or back elements having a frame made of wood or plastics
    • A47C4/34—Folding chairs with flexible coverings for the seat or back elements having a frame made of wood or plastics with legs pivotably connected to seat or underframe
    • 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
    • A47C4/42—Folding chairs with flexible coverings for the seat or back elements having a frame made of metal
    • A47C4/44—Folding chairs with flexible coverings for the seat or back elements having a frame made of metal with legs pivotably connected to seat or underframe
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/043—Allowing translations
    • F16M11/046—Allowing translations adapted to upward-downward translation movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/16—Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/242—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by spreading of the legs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/242—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by spreading of the legs
    • F16M11/245—Members limiting spreading of legs, e.g. "umbrella legs"
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/242—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by spreading of the legs
    • F16M11/247—Members preventing slipping of the feet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A23/00—Gun mountings, e.g. on vehicles; Disposition of guns on vehicles
    • F41A23/02—Mountings without wheels
    • F41A23/12—Tripods ; Mountings having at least three legs
    • F41A23/14—Tripods ; Mountings having at least three legs adjustable
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B3/00—Folding or stowable tables
    • A47B3/002—Folding or stowable tables with foldable underframe
    • A47B2003/004—Folding or stowable tables with foldable underframe of the umbrella type
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B3/00—Folding or stowable tables
    • A47B3/04—Folding or stowable tables with flexible roll-tops
    • A47B2003/045—Folding or stowable tables with flexible roll-tops and crossed legs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B13/00—Details of tables or desks
    • A47B13/02—Underframes
    • A47B2013/026—Underframes having three or four legs connected in a central knot

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Legs For Furniture In General (AREA)

Abstract

本发明提供的用于家具的可调节支架包括基座和可活动地连接于基座的多个支撑件，基座包括下部和罩设于下部的上部，支撑件包括多个枢接于下部的下支撑件，下部包括接收下支撑件并围成中央通道的下接收部、贯通中央通道螺杆和设置于螺杆下端的旋钮，螺杆具有远离旋钮的半球形螺帽，下支撑件包括用于设置在安装面上的支腿和靠近下接收部设置的连接部，连接部包括连接下接收部的第一弹性件和远离安装面的端部，当支腿处于收起位置时，端部抵持于上部的内侧壁，当支腿处于展开位置时，端部与螺帽相切，并可在旋钮的作用下改变与螺帽的切点。

Description

一种用于家具的可调节支架
技术领域
本发明涉及休闲用品技术领域，尤其涉及一种用于家具的可调节支架。
背景技术
随着经济发展，都市人群为放松心情，常常选择走出家门，享受户外生活。
户外活动，例如垂钓、露营等，通常需要用到便携式桌椅等家具。然而，常见的便携式桌椅仅具备可收折的功能，使用方式单一，缺乏对不同需求的适应性和趣味性。
发明内容
基于此，有必要提出一种用于家具的可调节支架，解决便携式家具使用方式单一的问题。
本发明提供一种用于家具的可调节支架，包括基座和可活动地连接于基座的多个支撑件，基座包括下部和罩设于下部的上部，支撑件包括三个或三个以上枢接于下部的下支撑件，下部包括接收下支撑件并围成中央通道的下接收部、贯通中央通道螺杆和设置于螺杆下端的旋钮，中央通道的侧壁设有与螺杆对应的螺纹，螺杆具有远离旋钮的半球形螺帽，下支撑件包括用于设置在安装面上的支腿和靠近下接收部设置的连接部，连接部包括连接下接收部的第一弹性件和远离安装面的端部，当支腿处于收起位置时，端部抵持于上部的内侧壁，当支腿处于展开位置时，端部与螺帽相切，并可在旋钮的作用下改变与螺帽的切点。
优选的，支腿的远离安装面的一端设有齿部，多个支腿的齿部啮合以实现联动。
优选的，下接收部设有安装孔，第一弹性件为一端固定于安装孔，另一端固定于连接部的远离下接收部的一端的扭簧。
优选的，支撑件还包括三个或三个以上可活动地连接于上部的上支撑件。
优选的，上部包括中轴部、围绕中轴部设置的用于接收上支撑件的上接收部和固定于中轴部顶端并盖设于上接收部的顶盖，中轴部和上接收部之间设有上下间隔设置的第二弹性件和第三弹性件，当上接收部以中轴部为轴旋转时，上接收部在第二弹性件或第三弹性件的作用下复位。
优选的，第二弹性件为一端抵持于于顶盖，另一端抵持于上接收部的扭簧，第三弹性件为一端抵持于中轴部，另一端抵持于上接收部的扭簧。
优选的，上支撑件为一端枢接于上接收部的伸缩杆。
本发明提供的用于家具的可调节支架包括基座和可活动地连接于基座的多个支撑件，基座包括下部和罩设于下部的上部，支撑件包括三个或三个以上枢接于下部的下支撑件，下部包括接收下支撑件并围成中央通道的下接收部、贯通中央通道螺杆和设置于螺杆下端的旋钮，中央通道的侧壁设有与螺杆对应的螺纹，螺杆具有远离旋钮的半球形螺帽，下支撑件包括用于设置在安装面上的支腿和靠近下接收部设置的连接部，连接部包括连接下接收部的第一弹性件和远离安装面的端部，当支腿处于收起位置时，端部抵持于上部的内侧壁，当支腿处于展开位置时，端部与螺帽相切，并可在旋钮的作用下改变与螺帽的切点。本发明提供的用于家具的可调节支架通过旋钮改变端部与螺帽的切点，可以顺滑地改变支腿展开的角度，从而达到调整基座相对于安装面的高度的目的。
附图说明
为了更清楚地说明本发明具体实施方式或现有技术中的技术方案，下面将对具体实施方式或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施方式，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为一个实施例提供的用于家具的可调节支架的组合图；
图2为一个实施例提供的用于家具的可调节支架的分解图；
图3为一个实施例提供的用于家具的可调节支架处于收起位置的剖面图；
图4为一个实施例提供的用于家具的可调节支架处于一种展开位置的剖面图；及
图5为一个实施例提供的用于家具的可调节支架处于另一种展开位置的剖面图。
具体实施方式
下面将结合附图对本发明的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
在本发明的描述中，需要说明的是，如出现术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”等，其指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，如出现术语“第一”、“第二”、“第三”仅用于描述目的，而不能理解为指示或暗示相对重要性。
如图1-图5所示，本发明提供一种用于家具的可调节支架100，包括基座1和可活动地连接于基座1的多个支撑件2，基座1包括下部11和罩设于下部11的上部12，支撑件2包括三个或三个以上枢接于下部11的下支撑件21。
具体地，下部11包括接收下支撑件21并围成中央通道110的下接收部111、贯通中央通道110螺杆112和设置于螺杆112下端的旋钮113，中央通道110的侧壁设有与螺杆112对应的螺纹，螺杆112具有远离旋钮113的半球形螺帽1120。
下支撑件21包括用于设置在安装面(例如地面)上的支腿211和靠近下接收部111设置的连接部212，连接部212包括连接下接收部111的第一弹性件2120和远离安装面的端部2121。在本实施例中，下接收部111设有安装孔(未标号)，第一弹性件2120为一端固定于安装孔，另一端固定于连接部212的远离下接收部111的一端的扭簧，可以理解，在其他实施例中，也可以用例如弹片等其他具有弹性的元件替代扭簧。
当支腿211处于收起位置时，端部2121抵持于上部12的内侧壁120。当支腿211处于展开位置时，端部2121与螺帽1120相切，并可在旋钮113的作用下改变与螺帽1120的切点。具体地，当支腿211处于收起位置时，多个支腿211大致平行，端部2121的第一表面2121a抵持于上部12的内侧壁120。此时展开支腿211，支腿211在第一弹性件2120的作用下以下接收部111为轴旋转，多个支腿211的接触安装面的一端相互远离，端部2121的第一表面2121a离开上部12的内侧壁120，端部2121的第二表面2121b向下运动至于螺帽1120相切，此时支腿211达到展开位置。旋转设置于螺杆112下端的旋钮113，则螺杆112可以在中央通道110内向上或向下运动，带动螺帽1120上顶或下沉。螺帽1120运动时，端部2121的第二表面2121b与螺帽1120的切点随之改变。具体地，如图4所示，当螺帽1120运动到最低点时，第二表面2121b与螺帽1120的切点最靠近中央通道110的中轴线，此时支腿211展开的角度最大，下部11与安装面的距离最小，也即可调节支架100的高度最低；如图5所示，当旋转旋钮113，使螺帽1120自最低点逐渐升起时，第二表面2121b与螺帽1120的切点逐渐向远离中央通道110的中轴线的方向移动，此时支腿211展开的角度逐渐减小，下部11与安装面的距离逐渐增加，也即可调节支架100的高度逐渐升高。可以理解，想要降低可调节支架100的高度时，反向旋转旋钮113，即可使螺帽1120降低，第二表面2121b与螺帽1120的切点逐渐向靠近中央通道110的中轴线的方向移动，支腿211展开的角度逐渐增大。
通过旋钮改113变端部与螺帽的切点，可以顺滑地改变支腿211展开的角度，从而达到调整基座1相对于安装面的高度，进而改变可调节支架100的高度的目的。
优选地，支腿211的远离安装面的一端设有齿部(未标号)，多个支腿211的齿部啮合以实现联动，便于展开或收折支腿211。
进一步地，支撑件2还包括三个或三个以上可活动地连接于上部12的上支撑件22。上部12包括中轴部121、围绕中轴部121设置的用于接收上支撑件22的上接收部122和固定于中轴部121顶端并盖设于上接收部122的顶盖123。
如图5所示，中轴部121和上接收部122之间设有上下间隔设置的第二弹性件124和第三弹性件125，当上接收部122以中轴部121为轴旋转时，上接收部122在第二弹性件124或第三弹性件125的作用下复位。具体地，第二弹性件124为一端抵持于于顶盖123，另一端抵持于上接收部122的扭簧，第三弹性件125为一端抵持于中轴部121，另一端抵持于上接收部122的扭簧。当上接收部122以中轴部121为轴向一侧旋转时，第二弹性件124受力回弹，使得上接收部122回到初始位置；当上接收部122以中轴部121为轴向另一侧旋转时，第三弹性件125受力回弹，使得上接收部122回到初始位置。这样，上部12向左右转动都能复位，增加了使用可调节支架100的趣味性。
优选地，上支撑件22为一端枢接于上接收部122的伸缩杆，上支撑件22可以以上接收部122为轴旋转，当上支撑件22旋转到上接收部122上方并在上支撑件22的远离上接收部122的一端安装桌布或座椅布时，可以将可调节支架100变成便携桌或便携椅。可以理解，多个上支撑件22的长度可以一致，也可以不一致，例如当多个上支撑件22的长度一致时，可调节支架100可以用作桌子或凳子的支架；当多个上支撑件22的长度不一致时，可调节支架100可以用作椅子或吊床的支架。在其他实施例中，上支撑件22也可以不是伸缩杆，而是枢接于上接收部122或可拆卸地连接于上接收部122的单节或多节管。
本发明提供的用于家具的可调节支架包括基座和可活动地连接于基座的多个支撑件，基座包括下部和罩设于下部的上部，支撑件包括三个或三个以上枢接于下部的下支撑件，下部包括接收下支撑件并围成中央通道的下接收部、贯通中央通道螺杆和设置于螺杆下端的旋钮，中央通道的侧壁设有与螺杆对应的螺纹，螺杆具有远离旋钮的半球形螺帽，下支撑件包括用于设置在安装面上的支腿和靠近下接收部设置的连接部，连接部包括连接下接收部的第一弹性件和远离安装面的端部，当支腿处于收起位置时，端部抵持于上部的内侧壁，当支腿处于展开位置时，端部与螺帽相切，并可在旋钮的作用下改变与螺帽的切点。本发明提供的用于家具的可调节支架通过旋钮改变端部与螺帽的切点，可以顺滑地改变支腿展开的角度，从而达到调整基座相对于安装面的高度的目的。
以上各实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述各实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。

Claims (7)

1.一种用于家具的可调节支架，包括基座和可活动地连接于所述基座的多个支撑件，其特征在于，所述基座包括下部和罩设于所述下部的上部，所述支撑件包括三个或三个以上枢接于所述下部的下支撑件，所述下部包括接收所述下支撑件并围成中央通道的下接收部、贯通所述中央通道螺杆和设置于所述螺杆下端的旋钮，所述中央通道的侧壁设有与所述螺杆对应的螺纹，所述螺杆具有远离所述旋钮的半球形螺帽，所述下支撑件包括用于设置在安装面上的支腿和靠近所述下接收部设置的连接部，所述连接部包括连接所述下接收部的第一弹性件和远离所述安装面的端部，当所述支腿处于收起位置时，所述端部抵持于所述上部的内侧壁，当所述支腿处于展开位置时，所述端部与所述螺帽相切，并可在所述旋钮的作用下改变与所述螺帽的切点。
2.根据权利要求1所述的用于家具的可调节支架，其特征在于，所述支腿的远离所述安装面的一端设有齿部，多个所述支腿的齿部啮合以实现联动。
3.根据权利要求1所述的用于家具的可调节支架，其特征在于，所述下接收部设有安装孔，所述第一弹性件为一端固定于所述安装孔，另一端固定于所述连接部的远离所述下接收部的一端的扭簧。
4.根据权利要求1所述的用于家具的可调节支架，其特征在于，所述支撑件还包括三个或三个以上可活动地连接于所述上部的上支撑件。
5.根据权利要求4所述的用于家具的可调节支架，其特征在于，所述上部包括中轴部、围绕所述中轴部设置的用于接收所述上支撑件的上接收部和固定于所述中轴部顶端并盖设于所述上接收部的顶盖，所述中轴部和所述上接收部之间设有上下间隔设置的第二弹性件和第三弹性件，当所述上接收部以所述中轴部为轴旋转时，所述上接收部在所述第二弹性件或所述第三弹性件的作用下复位。
6.根据权利要求5所述的用于家具的可调节支架，其特征在于，所述第二弹性件为一端抵持于于所述顶盖，另一端抵持于所述上接收部的扭簧，所述第三弹性件为一端抵持于所述中轴部，另一端抵持于所述上接收部的扭簧。
7.根据权利要求4所述的用于家具的可调节支架，其特征在于，所述上支撑件为一端枢接于所述上接收部的伸缩杆。
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