WO2016082268A1 - 一种椅子 - Google Patents

一种椅子 Download PDF

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Publication number
WO2016082268A1
WO2016082268A1 PCT/CN2014/094637 CN2014094637W WO2016082268A1 WO 2016082268 A1 WO2016082268 A1 WO 2016082268A1 CN 2014094637 W CN2014094637 W CN 2014094637W WO 2016082268 A1 WO2016082268 A1 WO 2016082268A1
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WO
WIPO (PCT)
Prior art keywords
rod
seat
footrest
bar
chair
Prior art date
Application number
PCT/CN2014/094637
Other languages
English (en)
French (fr)
Inventor
杨宝庆
Original Assignee
浙江泰普森创意设计有限公司
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 浙江泰普森创意设计有限公司 filed Critical 浙江泰普森创意设计有限公司
Priority to DE212014000058.0U priority Critical patent/DE212014000058U1/de
Priority to EP14906864.5A priority patent/EP3225134B1/en
Priority to DK201600008U priority patent/DK201600008U3/da
Publication of WO2016082268A1 publication Critical patent/WO2016082268A1/zh

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    • 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
    • A47C7/50—Supports for the feet or the legs coupled to fixed parts of the chair
    • A47C7/506—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/028—Reclining or easy chairs having independently-adjustable supporting parts for changing a straight chair into an easy chair, e.g. by inverting or tilting seat and back-rest in the base frame or by overturning the whole chair
    • A47C1/029—Reclining or easy chairs having independently-adjustable supporting parts for changing a straight chair into an easy chair, e.g. by inverting or tilting seat and back-rest in the base frame or by overturning the whole chair by changing the length or the inclination of the legs
    • 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
    • A47C4/04—Folding chairs with inflexible seats
    • A47C4/18—Folding chairs with inflexible seats having a frame made of metal
    • A47C4/20—Folding chairs with inflexible seats having a frame made of metal with legs pivotably connected to seat or underframe
    • A47C4/22—Folding chairs with inflexible seats having a frame made of metal with legs pivotably connected to seat or underframe of adjustable type

Definitions

  • the invention relates to the technical field of daily necessities, in particular to a chair.
  • a prior art chair includes a seat post, a backrest bar coupled to the seat post, a grab bar coupled to the backrest bar, and a front leg post and a rear leg bar respectively coupled to the front and rear of the seat post.
  • the height of the chair in the prior art is not adjustable, and the users of different heights use the chair of the same height, so that the comfort of the chair which is shorter or too tall is reduced.
  • the present invention provides a chair for adjusting the height of the chair and improving the comfort of the user using the chair.
  • the present invention provides the following technical solutions:
  • a chair comprising:
  • the seat pole is a U-shaped seat pole
  • Folding the linkage slider, one end of the folding linkage slider is rotatable with the top end of the rear leg
  • the folding linkage slider is slidably connected to the seat pole through the first sliding sleeve;
  • a front leg bar connected to the other end of the folding linkage slider through a second sliding sleeve, the front leg lever being rotatably coupled to the seat pole, the second sliding sleeve being located below the seat pole;
  • a backrest rod coupled to the seat post
  • a handrail bar one end of the handrail bar is rotatably connected to the backrest bar, and the other end is connected to the top end of the front leg bar through a third sliding sleeve.
  • the rear leg bar includes two first straight rods arranged in parallel and a first support rod connected to the first straight rod and arranged vertically.
  • the front leg bar includes two second straight rods arranged in parallel and a second support rod connected to the second straight rod and arranged vertically.
  • the footrest bar being disposed opposite to the backrest bar, and the footrest bar being a U-shaped footrest bar, the U An open end of the type of seat bar faces the footrest rod, an open end of the U-shaped footrest bar is disposed opposite the open end of the U-shaped seat bar, and the footrest bar is rotatably coupled to the seat post.
  • the footrest rod and the seat rod are rotatably connected by a gear adjusting assembly, and the gear adjusting assembly comprises:
  • a seat rod connecting member fixedly connected to the seat rod, wherein the seat rod connecting member is provided with a bevel gear, a side wall of the bevel gear is provided with a groove, and an inner wall of the seat rod connecting member is disposed with a groove matching protrusion, a center of the seat rod connecting member is provided with a positioning shaft that cooperates with a shaft hole of the bevel gear, and the positioning shaft is sleeved with a spring, and the spring is disposed at the seat Between the rod connector and the bevel gear;
  • a footrest connecting member fixedly coupled to the footrest rod, the inner wall of the footrest rod connecting member is provided with a helical tooth capable of engaging with the bevel gear, the footrest connecting rod and the seat pole Connecting piece threaded connection;
  • the button is provided with a protrusion capable of pressing the bevel gear
  • the footrest connecting member is provided with a hole for engaging with the protrusion
  • the end of the protrusion is provided with a hook.
  • the backrest bar is connected to the seat post by bolts.
  • the chair provided by the present invention includes a seat pole, a rear leg, The front leg bar, the folding linkage slider, the backrest bar and the grab bar, one end of the folding linkage slider is rotatably connected with the rear leg bar, the other end is rotatably connected with the front leg bar, and the folding linkage slider and the seat bar are slidingly connected through the first sliding sleeve
  • the folding sliding link and the front supporting rod are slidably connected through the second sliding sleeve, and the top end of the front supporting rod is slidably connected with the handrail rod through the third sliding sleeve.
  • the front foot bar and the rear leg bar can be rotated according to the user's needs to adjust the height of the seat bar, thereby adjusting the height of the chair to meet the needs of different height groups, and improving the comfort of the user.
  • FIG. 1 is a schematic structural view of a footrest of a chair in a horizontal state according to an embodiment of the present invention
  • FIG. 2 is a schematic structural view of a chair partially retracted according to an embodiment of the present invention
  • FIG. 3 is a schematic structural view of a backrest bar of a chair being adjusted backward to a certain angle according to an embodiment of the present invention
  • FIG. 4 is a schematic structural view of a chair backrest in a horizontal state according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a folded state of a chair according to an embodiment of the present invention.
  • FIG. 6 is a schematic perspective view of a chair according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a gear adjustment assembly according to an embodiment of the present invention.
  • the invention discloses a chair to realize the height adjustment of the chair and improve the comfort of the user to use the chair.
  • FIG. 1 is a schematic structural view of a footrest of a chair in a horizontal state according to an embodiment of the present invention
  • FIG. 2 is a schematic structural view of a chair partially retracted according to an embodiment of the present invention
  • FIG. 4 is a schematic structural view of a chair backrest in a horizontal state according to an embodiment of the present invention
  • FIG. 5 is a structural view of a chair folded according to an embodiment of the present invention
  • FIG. 6 is a schematic structural view of a chair according to an embodiment of the present invention
  • FIG. 7 is a schematic structural view of a gear adjusting assembly according to an embodiment of the present invention.
  • a chair comprising: a seat pole 1 , the seat rod 1 is a U-shaped seat rod; a rear leg rod 2, a middle portion of the rear leg rod 2 is rotatably connected with the seat rod 1; a folding linkage slider 3 is folded, and the linkage slider 3 is folded One end is rotatably connected to the top end of the rear leg 2, the folding linkage 3 is slidably coupled to the seat post 1 through the first sliding sleeve 4, and the front leg is connected to the other end of the folding linkage 3 through the second sliding sleeve 5. 6.
  • the front leg 6 is rotatably connected to the seat bar 1
  • the second sliding sleeve 5 is located below the seat bar 1
  • the backrest bar 7 connected to the seat bar 1
  • the handrail bar 8 is rotatably connected to the backrest bar 7
  • the other end is connected to the top end of the front leg 6 through the third sliding sleeve 9.
  • the device provided by the solution comprises a seat pole 1, a rear leg bar 2, a folding linkage slider 3, a front leg bar 6, a backrest bar 7 and a grab bar 8, wherein the rear leg bar 2 and the seat bar 1 are rotatably connected, and the folding linkage bar is folded 3 is rotatably connected with the rear leg rod 2, the folding linkage sliding rod 3 is slidably connected with the seat rod 1, the folding linkage sliding rod 3 is slidably connected with the front leg rod 6, the front leg rod 6 is rotatably connected with the seat rod 1, and the front leg rod 6 is connected with The grab bars 8 are slidably connected, and the height of the seat bar 1 is adjusted by rotating the angles of the front leg bars 6 and the rear leg bars 2.
  • the height adjustment process of the seat rod 1 is: rotating the rear support rod 2 toward the inner side, the rear support rod 2 driving the seat rod 1 to perform horizontal movement and vertical movement, and folding the linkage slide rod 3 to drive the first sliding sleeve 4 Sliding along the seat bar 1 in the direction of the rear leg 2, the angle between the rear leg 2 and the ground is adjusted, and the front leg 6 is rotated toward the inner side so that the front leg 6 is moved closer to the front leg 6
  • the height of the part of the seat rod 1 is flush with the height of the seat rod 1 near the rear leg 2, and the folding linkage 3 drives the second sleeve 5 to slide down the front leg 6, and the front leg 6 drives the first
  • the three sliding sleeve 9 slides outward along the handrail bar 8 to complete the adjustment of the angle between the front leg 6 and the ground; the height of the seat bar 1 is lowered: the rear leg 2 is rotated outward, and the rear leg 2 is driven
  • the seat rod 1 is horizontally moved and moved in the vertical direction, and the
  • the adjustment further rotates the front leg 6 toward the outside, so that the height of the seat bar 1 near the front leg 6 is flush with the height of the seat bar 1 near the rear leg 2, and the folding linkage 3 drives the second
  • the sliding sleeve 5 slides upward along the front leg 6
  • the front leg 6 drives the third sliding sleeve 9 to slide inward along the grab bar 8 to complete the adjustment of the angle between the front leg 6 and the ground.
  • the front leg bar 6 and the rear leg bar 2 are continuously gathered inwardly, so that the front leg bar 6 and the rear leg bar 2 are engaged with the seat bar 1 to realize the stowage of the chair;
  • the front and rear foot bars 6 and 3 are opened outward, and the front and rear foot bars 6 and 3 are opened to a designated position.
  • the device provided by the solution consists of a rear angled rod 2, a seat rod 1, a folding linkage slider 3 and a front foot rod 6 which are two angle-adjustable triangles, so that the angle adjustment process of the front foot rod 6 and the rear foot rod 2 of the chair is compared. stable.
  • the rear leg 2 has various forms, specifically: the rear leg 2 includes two first straight rods 21 arranged in parallel, and a first support rod 22 connected to the first straight rod 21 and arranged vertically, ie, a rear leg rod 2 is generally "work" type; or the rear leg 2 is U-shaped, and the opening direction of the U-shaped rear leg 2 faces the seat post 1; or the rear leg 2 includes two first straight lines arranged in parallel a rod 21 and a first support rod 22 connected to the first straight rod 21 and arranged vertically, the number of the first support rods 22 being at least two; or the rear leg rod 2 comprising two first straight rods 21 arranged in parallel and A support plate is disposed between the first straight rods 21.
  • the front leg bar 6 has various forms, specifically: the front leg bar 6 includes two second straight rods 61 arranged in parallel, and a second support rod 62 connected to the second straight rod 61 and vertically arranged, that is, the front leg rod 6 is generally "work" type; or the front leg 6 is U-shaped, and the opening direction of the U-shaped front leg 6 is directed toward the seat bar 1; or the front leg 6 includes two parallelly arranged second straight a rod 61 and a second support rod 62 connected to the first straight rod 61 and arranged vertically, the number of the second support rod 62 being at least For two.
  • a footrest 11 connected to the seat bar 1 is further included, the footrest bar 11 is disposed opposite to the backrest bar 7, and the footrest bar 11 is a U-shaped footrest bar, and the open end of the U-shaped seat bar Toward the footrest 11, the open end of the U-shaped footrest is disposed opposite the open end of the U-shaped seatbar, and the footrest 11 is rotatably coupled to the seatbar 1, and the footrest 11 is rotated by rotation during use.
  • the user After being supported or stowed, after the footrest 11 is supported, the user can place the foot on the footrest 11 to rest, and when not needed, the footrest 11 is put away, which is convenient for the user to work.
  • the footrest 11 is rotatably supported and stowed in the form of:
  • the footrest 11 and the seat bar 11 are rotatably connected by the gear adjusting assembly 10.
  • the gear adjusting assembly 10 includes: a seat rod connecting member 101 fixedly connected to the seat rod 1, and a bevel gear 102 is disposed on the end surface of the seat rod connecting member 101.
  • a groove is disposed on the side wall of the gear 102.
  • the inner wall of the seat rod connecting member 101 is provided with a protrusion that cooperates with the groove.
  • the center of the seat rod connecting member 101 is provided with a positioning shaft that cooperates with the shaft hole of the bevel gear, and is positioned.
  • a spring 103 is disposed on the shaft, and the spring 103 is disposed between the seat rod connecting member 101 and the bevel gear 102; and the footrest connecting member 104 fixedly connected with the footrest 11 is disposed on the inner wall of the footrest connecting member 104.
  • a bevel gear capable of meshing with the bevel gear 102;
  • the device provided by the present scheme can realize the folding of the chair.
  • the folding and unfolding process of the front and rear foot bars 6 and 2 has been mentioned above, and the folding and unfolding process of the footrest 11 is also mentioned.
  • the backrest bar 7 can also be carried out. Folding, the device provided by the present solution is folded as shown in FIG. 5, and the occupied area after folding the chair is reduced.

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  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Special Chairs (AREA)

Abstract

一种椅子，包括座位杆（1）、后支脚杆（2）、前支脚杆（6）、折叠联动滑杆（3）、靠背杆（7）和扶手杆（8），折叠联动滑杆（3）一端与后支脚杆（2）转动连接，另一端与前支脚杆（6）转动连接，折叠联动滑杆（3）与座位杆（1）通过第一滑套（4）滑动连接，折叠滑动连杆（3）与前支脚杆（6）通过第二滑套（5）滑动连接，前支脚杆（6）的顶端与扶手杆（8）通过第三滑套（9）滑动连接。在使用的过程中可以根据用户的需要转动前支脚杆（6）和后支脚杆（2）以调节座位杆（1）的高度，从而实现椅子高度的调节，以满足不同高度人群的使用需要，提高了使用者使用的舒适度。

Description

一种椅子
本申请要求于2014年11月24日提交中国专利局、申请号为201420710843.6、发明名称为“一种椅子”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及生活用品技术领域，特别涉及一种椅子。
背景技术
现有技术中的椅子，包括座位杆、与座位杆连接的靠背杆、与靠背杆连接的扶手杆和分别与座位杆的前后连接的前支脚杆和后支脚杆。现有技术中的椅子高度不可调，不同身高的使用者使用同一高度的椅子，使得身高较矮或者太高的使用者使用椅子的舒适度降低。
因此，如何实现椅子的高度可调以提高使用者使用椅子的舒适度，成为本领域技术人员亟待解决的技术问题。
发明内容
有鉴于此，本发明提供了一种椅子，以实现椅子的高度可调，提高使用者使用椅子的舒适度。
为实现上述目的，本发明提供如下技术方案：
一种椅子，包括：
座位杆，所述座位杆为U形座位杆；
后支脚杆，所述后支脚杆的中部与所述座位杆可转动连接；
折叠联动滑杆，所述折叠联动滑杆的一端与所述后支脚杆的顶端可转动连 接，所述折叠联动滑杆与所述座位杆通过第一滑套滑动连接；
与所述折叠联动滑杆的另一端通过第二滑套连接的前支脚杆，所述前支脚杆与所述座位杆可转动连接，所述第二滑套位于所述座位杆的下方；
与所述座位杆连接的靠背杆；
扶手杆，所述扶手杆一端与所述靠背杆转动连接，另一端与所述前支脚杆的顶端通过第三滑套连接。
优选的，在上述椅子中，所述后支脚杆包括两根平行布置的第一直杆和与所述第一直杆连接且垂直布置的第一支撑杆。
优选的，在上述椅子中，所述前支脚杆包括两根平行布置的第二直杆和与所述第二直杆连接且垂直布置的第二支撑杆。
优选的，在上述椅子中，还包括与所述座位杆连接的搁脚杆，所述搁脚杆与所述靠背杆相对布置，且所述搁脚杆为U型搁脚杆，所述U型座位杆的开口端朝向所述搁脚杆，所述U型搁脚杆的开口端与所述U型座位杆的开口端相对布置，且所述搁脚杆与所述座位杆转动连接。
优选的，在上述椅子中，所述搁脚杆与所述座位杆通过齿轮调节组件转动连接，所述齿轮调节组件包括：
与所述座位杆固定连接的座位杆连接件，所述座位杆连接件内设置有锥齿轮，所述锥齿轮的侧壁上设置有凹槽，所述座位杆连接件的内壁上设置有与所述凹槽配合的凸起，所述座位杆连接件的中心设置有与所述锥齿轮的轴孔配合的定位轴，所述定位轴上套设有弹簧，所述弹簧设置在所述座位杆连接件与所述锥齿轮之间；
与所述搁脚杆固定连接的搁脚杆连接件，所述搁脚杆连接件的内壁上设置有能够与所述锥齿轮啮合的斜齿，所述搁脚杆连接件与所述座位杆连接件螺纹连接；
按钮，所述按钮上设置有能够按压所述锥齿轮的凸起，所述搁脚杆连接件上设置有与所述凸起配合的孔，所述凸起的末端设置有卡勾。
优选的，在上述椅子中，所述靠背杆与所述座位杆通过螺栓连接。
从上述技术方案可以看出，本发明提供的椅子，包括座位杆、后支脚杆、 前支脚杆、折叠联动滑杆、靠背杆和扶手杆，折叠联动滑杆一端与后支脚杆转动连接，另一端与前支脚杆转动连接，折叠联动滑杆与座位杆通过第一滑套滑动连接，折叠滑动连杆与前支脚杆通过第二滑套滑动连接，前支脚杆的顶端与扶手杆通过第三滑套滑动连接。在使用的过程中可以根据用户的需要转动前支脚杆和后支脚杆以调节座位杆的高度，从而实现椅子高度的调节，以满足不同高度人群的使用需要，提高了使用者使用的舒适度。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例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，下面描述中的附图仅仅是本发明的一些实施例，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为本发明实施例提供的椅子的搁脚杆处于水平状态的结构示意图；
图2为本发明实施例提供的椅子部分收起时的结构示意图；
图3为本发明实施例提供的椅子的靠背杆向后调整到一定角度的结构示意图；
图4为本发明实施例提供的椅子靠背处于水平状态的结构示意图；
图5为本发明实施例提供的椅子折叠状态的结构示意图；
图6为本发明实施例提供的椅子立体结构示意图；
图7为本发明实施例提供的齿轮调节组件的结构示意图。
1、座位杆，2、后支脚杆，21、第一直杆，22、第一支撑杆，3、折叠联动滑杆，4、第一滑套，5、第二滑套，6、前支脚杆，61、第二直杆，62、第二支撑杆，7、靠背杆，8、扶手杆，9、第三滑套，10、齿轮调节组件，101座位杆连接件，102、锥齿轮，103、弹簧，104、搁脚杆连接件，105、按钮，11、搁脚杆。
具体实施方式
本发明公开了一种椅子，以实现椅子高度的可调，提高使用者使用椅子的舒适度。
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅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。
请参阅图1-图7，图1为本发明实施例提供的椅子的搁脚杆处于水平状态的结构示意图；图2为本发明实施例提供的椅子部分收起时的结构示意图；图3为本发明实施例提供的椅子的靠背杆向后调整到一定角度的结构示意图；图4为本发明实施例提供的椅子靠背处于水平状态的结构示意图；图5为本发明实施例提供的椅子折叠状态的结构示意图；图6为本发明实施例提供的椅子立体结构示意图；图7为本发明实施例提供的齿轮调节组件的结构示意图。
一种椅子，包括：座位杆1，座位杆1为U形座位杆；后支脚杆2，后支脚杆2的中部与座位杆1可转动连接；折叠联动滑杆3，折叠联动滑杆3的一端与后支脚杆2的顶端可转动连接，折叠联动滑杆3与座位杆1通过第一滑套4滑动连接；与折叠联动滑杆3的另一端通过第二滑套5连接的前支脚杆6，前支脚杆6与座位杆1可转动连接，第二滑套5位于座位杆1的下方；与座位杆1连接的靠背杆7；扶手杆8，扶手杆8一端与靠背杆7转动连接，另一端与前支脚杆6的顶端通过第三滑套9连接。
本方案提供的装置包括座位杆1、后支脚杆2、折叠联动滑杆3、前支脚杆6、靠背杆7和扶手杆8，其中后支脚杆2和座位杆1转动连接，折叠联动滑杆3与后支脚杆2转动连接，折叠联动滑杆3与座位杆1滑动连接，折叠联动滑杆3与前支脚杆6滑动连接，前支脚杆6与座位杆1转动连接，前支脚杆6与扶手杆8滑动连接，通过转动前支脚杆6和后支脚杆2的角度实现座位杆1高度的调节。座位杆1的高度调高的过程为：将后支脚杆2向着内侧转动，后支脚杆2带动座位杆1做水平运动和竖直方向上的运动，折叠联动滑杆3带动第一滑套4沿着座位杆1向着后支脚杆2的方向滑动，实现了后支脚杆2与地面之间角度的调整，进而将前支脚杆6向着内侧转动，使靠近前支脚杆6 部分的座位杆1的高度与靠近后支脚杆2部分的座位杆1的高度平齐，折叠联动滑杆3带动第二滑套5沿着前支脚杆6向下滑动，前支脚杆6带动第三滑套9沿着扶手杆8向着外侧滑动，完成前支脚杆6与地面之间角度的调节；座位杆1的高度调低的过程：将后支脚杆2向着外侧转动，后支脚杆2带动座位杆1做水平运动和竖直方向上的运动，折叠联动滑杆3带动第一滑套4沿着座位杆1向着前支脚杆6的方向滑动，实现了后支脚杆2与地面之间角度的调整，进而将前支脚杆6向着外侧转动，使靠近前支脚杆6部分的座位杆1的高度与靠近后支脚杆2部分的座位杆1的高度平齐，折叠联动滑杆3带动第二滑套5沿着前支脚杆6向上滑动，前支脚杆6带动第三滑套9沿着扶手杆8向着内侧滑动，完成前支脚杆6与地面之间角度的调节。当要实现本方案提供的椅子的折叠过程时，继续向内收拢前支脚杆6和后支脚杆2，使前支脚杆6和后支脚杆2与座位杆1贴合，实现椅子的收起；椅子使用时，将前支脚杆6和后支脚杆3向外打开，将前支脚杆6和后支脚杆3打开到指定的位置。
本方案提供的装置由后支脚杆2、座位杆1、折叠联动滑杆3和前支脚杆6组成两个角度可调的三角形，使得椅子的前支脚杆6和后支脚杆2角度调整过程比较稳定。
后支脚杆2的形式有多种，具体为：后支脚杆2包括两根平行布置的第一直杆21和与第一直杆21连接且垂直布置的第一支撑杆22，即后支脚杆2整体为“工”字型；或者后支脚杆2为U型形状，且U型形状的后支脚杆2的开口方向朝向座位杆1；或者后支脚杆2包括两根平行布置的第一直杆21和与第一直杆21连接且垂直布置的第一支撑杆22，第一支撑杆22的个数至少为2个；或者后支脚杆2包括两根平行布置的第一直杆21和设置在第一直杆21之间的支撑板。
前支脚杆6的形式有多种，具体为：前支脚杆6包括两根平行布置的第二直杆61和与第二直杆61连接且垂直布置的第二支撑杆62，即前支脚杆6整体为“工”字型；或者前支脚杆6为U型形状，且U型形状的前支脚杆6的开口方向朝向座位杆1；或者前支脚杆6包括两根平行布置的第二直杆61和与第一直杆61连接且垂直布置的第二支撑杆62，第二支撑杆62的个数至少 为两个。
为了方便使用者的使用，还包括与座位杆1连接的搁脚杆11，搁脚杆11与靠背杆7相对布置，且搁脚杆11为U型搁脚杆，U型座位杆的开口端朝向搁脚杆11，U型搁脚杆的开口端与U型座位杆的开口端相对布置，且搁脚杆11与座位杆1转动连接，在使用的过程中将搁脚杆11通过转动进行支撑或者收起，搁脚杆11支撑起后，使用者可以将脚放置在搁脚杆11上进行休息，不需要使用时，将搁脚杆11收起，方便使用者办公。
搁脚杆11转动支撑和收起的形式为：
搁脚杆11与座位杆11通过齿轮调节组件10转动连接，齿轮调节组件10包括：与座位杆1固定连接的座位杆连接件101，座位杆连接件101内设置端面上设置锥齿轮102，锥齿轮102的侧壁上设置有凹槽，座位杆连接件101的内壁上设置有与凹槽配合的凸起，座位杆连接件101的中心设置有与锥齿轮的轴孔配合的定位轴，定位轴上套设有弹簧103，弹簧103设置在座位杆连接件101与锥齿轮102之间；与搁脚杆11固定连接的搁脚杆连接件104，搁脚杆连接件104的内壁上设置有能够与锥齿轮102啮合的斜齿；按钮105，按钮105上设置有能够按压锥齿轮102的凸起，搁脚杆连接件104上设置有与凸起配合的孔，凸起的末端设置有卡勾。搁脚杆11使用时，直接扳动搁脚杆11即可实现角度调节；搁脚杆11收起时或者调节角度时，通过按压按钮105，按钮105上的凸起推动锥齿轮102按压弹簧，搁脚连接件104上的斜齿与锥齿轮102上的斜齿分离，实现搁脚杆11的角度调节，调节完成后，松开按钮105，锥齿轮102在弹簧103的复位弹力作用下与搁脚连接件104上的斜齿啮合，防止搁脚杆11在使用过程中发生转动，此种调节方式操作方便。
搁脚杆11的转动形式还有很多种，比如将搁脚杆11和座位杆1直接通过螺栓连接，通过对螺栓松紧的调节实现对搁脚杆11角度的调节。
为了进一步提高使用者使用的舒适度，靠背杆7与座位杆1通过螺栓连接，在使用的过程中可以将靠背杆7放平，使靠背杆7和座位杆1位于同一平面，此时的椅子可以作为床来使用。本方案提供的椅子既可以作为椅子使用，也可以作为床来使用，增加了椅子的功能。
本方案提供的装置，可以实现椅子的折叠，上面已经提到了前支脚杆6和后支脚杆2的折叠和展开过程，也提到了搁脚杆11的折叠和展开过程，靠背杆7也可以进行折叠，本方案提供的装置折叠完成后的情况如图5所示，缩小了椅子折叠后的占用面积。
对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其它实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims (6)

  1. 一种椅子，其特征在于，包括：
    座位杆(1)，所述座位杆(1)为U形座位杆；
    后支脚杆(2)，所述后支脚杆(2)的中部与所述座位杆(1)可转动连接；
    折叠联动滑杆(3)，所述折叠联动滑杆(3)的一端与所述后支脚杆(2)的顶端可转动连接，所述折叠联动滑杆(3)与所述座位杆(1)通过第一滑套(4)滑动连接；
    与所述折叠联动滑杆(3)的另一端通过第二滑套(5)连接的前支脚杆(6)，所述前支脚杆(6)与所述座位杆(1)可转动连接，所述第二滑套(5)位于所述座位杆(1)的下方；
    与所述座位杆(1)连接的靠背杆(7)；
    扶手杆(8)，所述扶手杆(8)一端与所述靠背杆(7)转动连接，另一端与所述前支脚杆(6)的顶端通过第三滑套(9)连接。
  2. 根据权利要求1所述的椅子，其特征在于，所述后支脚杆(2)包括两根平行布置的第一直杆(21)和与所述第一直杆(21)连接且垂直布置的第一支撑杆(22)。
  3. 根据权利要求1所述的椅子，其特征在于，所述前支脚杆(6)包括两根平行布置的第二直杆(61)和与所述第二直杆(61)连接且垂直布置的第二支撑杆(62)。
  4. 根据权利要求1所述的椅子，其特征在于，还包括与所述座位杆(1)连接的搁脚杆(11)，所述搁脚杆(11)与所述靠背杆(7)相对布置，且所述搁脚杆(11)为U型搁脚杆，所述U型座位杆的开口端朝向所述搁脚杆(11)，所述U型搁脚杆的开口端与所述U型座位杆的开口端相对布置，且所述搁脚杆(11)与所述座位杆(1)转动连接。
  5. 根据权利要求4所述的椅子，其特征在于，所述搁脚杆(11)与所述座位杆(11)通过齿轮调节组件(10)转动连接，所述齿轮调节组件(10)包括：
    与所述座位杆(1)固定连接的座位杆连接件(101)，所述座位杆连接件 (101)内设置有锥齿轮(102)，所述锥齿轮(102)的侧壁上设置有凹槽，所述座位杆连接件(101)的内壁上设置有与所述凹槽配合的凸起，所述座位杆连接件(101)的中心设置有与所述锥齿轮的轴孔配合的定位轴，所述定位轴上套设有弹簧(103)，所述弹簧(103)设置在所述座位杆连接件(101)与所述锥齿轮(102)之间；
    与所述搁脚杆(11)固定连接的搁脚杆连接件(104)，所述搁脚杆连接件(104)的内壁上设置有能够与所述锥齿轮(102)啮合的斜齿，所述搁脚杆连接件(104)与所述座位杆连接件(101)螺纹连接；
    按钮(105)，所述按钮(105)上设置有能够按压所述锥齿轮(102)的凸起，所述搁脚杆连接件(104)上设置有与所述凸起配合的孔，所述凸起的末端设置有卡勾。
  6. 根据权利要求1所述的椅子，其特征在于，所述靠背杆(7)与所述座位杆(1)通过螺栓连接。
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