CN102119816B - Chassis of revolving chair - Google Patents

Chassis of revolving chair Download PDF

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Publication number
CN102119816B
CN102119816B CN201110075221A CN201110075221A CN102119816B CN 102119816 B CN102119816 B CN 102119816B CN 201110075221 A CN201110075221 A CN 201110075221A CN 201110075221 A CN201110075221 A CN 201110075221A CN 102119816 B CN102119816 B CN 102119816B
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CN
China
Prior art keywords
connecting rod
lug
cylindrical outer
outer casing
main shaft
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.)
Active
Application number
CN201110075221A
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Chinese (zh)
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CN102119816A (en
Inventor
陈志良
程军
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.)
UE Furniture Co Ltd
Original Assignee
Zhejiang Yongyi Furniture 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 Zhejiang Yongyi Furniture Co Ltd filed Critical Zhejiang Yongyi Furniture Co Ltd
Priority to CN201110075221A priority Critical patent/CN102119816B/en
Publication of CN102119816A publication Critical patent/CN102119816A/en
Priority to PCT/CN2011/082132 priority patent/WO2012129908A1/en
Application granted granted Critical
Publication of CN102119816B publication Critical patent/CN102119816B/en
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/031Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03261Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
    • A47C1/03283Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with fluid springs
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/031Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03261Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
    • A47C1/03266Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with adjustable elasticity
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/031Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03261Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
    • A47C1/03277Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with bar or leaf springs
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/031Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03261Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
    • A47C1/03288Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with resilient blocks

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  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs Characterized By Structure (AREA)

Abstract

The invention discloses a chassis of a revolving chair, which comprises an upper cover and a lower cover, wherein a rubber spring is arranged in a space formed by the upper and lower covers, the rubber spring comprises a spindle, a rubber layer is fixedly arranged on the spindle along a circumferential direction, and a cylindrical shell is fixedly sleeved outside the rubber layer; and the cylindrical shell is connected with a connecting lug which is connected with one end of a connecting rod, and the other end of the connecting rod passes through the upper cover to be connected with a regulating knob. In the invention, the chassis uses the rubber spring as a core part, the two ends of the spindle of the rubber spring are connected with a backrest through the connecting rod, the backrest, when leaned against by a user, applies a certain force onto the spindle through the connecting rod to drive the spindle to rotate a certain angle, the cylindrical shell of the rubber spring is fixed and motionless, and thus, the rotation of the spindle makes the rubber layer generate a torque force, which increases with the increase in the rotation angle of the spindle and can drive the spindle and the backrest to reset to realize regulation at any angle.

Description

A kind of swivel chair chassis
Technical field
The present invention relates to a kind of swivel chair, particularly a kind of swivel chair chassis.
Background technology
The swivel chair chassis is a vitals that is contained in swivel chair seat cushion below, the up-down of seat cushion, and the reclining angular adjustment of backrest all relies on the chassis to accomplish; In the prior art; In view of the restriction of factors such as the narrow and small and structural complexity in inner space, chassis, backrest reclining angular adjustment has level, can only realize the adjusting of two-stage to Pyatyi at present; That is to say and to regulate in predetermined several angles; And because people's height is different, everyone is also different to the impression of each angle comfort level of backrest, so can not satisfy proprietary needs.
Summary of the invention
The present invention has overcome above-mentioned deficiency of the prior art; A kind of swivel chair chassis of realizing step-less adjustment and can realize at an arbitrary position locking is provided; Make the difference of the power that backrest can apply according to the people realize the adjusting of different angles, very convenient, improved comfort level.
Technical scheme of the present invention is achieved in that
A kind of swivel chair chassis comprises loam cake, lower cover, in the space that upper and lower cover forms, is provided with rubber spring, and described rubber spring comprises main shaft, on main shaft, circumferentially is fixed with rubber layer, and fixed cover is provided with cylindrical outer casing outside rubber layer; On cylindrical outer casing, be provided with engaging lug, engaging lug links to each other with an end of connecting rod, and the other end of connecting rod connects adjusting knob after passing loam cake.
In order to regulate the preparatory degree of tightness power size of rubber spring; As preferably, link to each other through Connection Block between described engaging lug and the connecting rod, described engaging lug is two; Described connecting rod is a screw rod; Connection Block is between two engaging lugs and is hinged with engaging lug, and an end of connecting rod is threaded with Connection Block, on connecting rod, also is provided with limiting component.
As preferably, described limiting component is one to be set in the small sleeve on the connecting rod, and it is horn-like that small sleeve is, and is provided with the step surface that matches with the inclined-plane of small sleeve last covering, and small sleeve is against on the step surface.
For with spindle lock in certain position, as preferably, on main shaft, be welded with a pair of lug, described lug and mount pad are hinged, mount pad links to each other with an end of pneumatic spring, the other end and the loam cake of pneumatic spring are hinged.
For conserve space, as preferably, described rubber layer, cylindrical outer casing are provided with an engaging lug along being divided into two sections on the main shaft axial direction on every section cylindrical outer casing, and lug is welded on two sections main shafts between the cylindrical outer casing.
As preferably; On mount pad, be provided with a jack, the gas bar of pneumatic spring is inserted in the jack, on mount pad, also is provided with a pair of little lug; On mount pad, also be provided with one perpendicular to said jack and the lever installing hole that is connected with jack; One lever is inserted into to offset in the described lever installing hole and with the valve of gas club head and cooperates, and an end and the little lug of lever are hinged, and the other end of lever connects control line.
As preferably, the cross section outer contour shape of described rubber layer is circular.
A kind of swivel chair chassis; Comprise loam cake, lower cover; In the space that upper and lower cover forms, be provided with rubber spring, described rubber spring comprises main shaft, in main shaft periphery to being fixed with rubber layer; Fixed cover is provided with cylindrical outer casing outside rubber layer, and described cylindrical outer casing circumferentially is fixedly connected with upper and lower cover.
As preferably, on cylindrical outer casing, be provided with engaging lug, described engaging lug is connected with connecting rod, and the other end of connecting rod is fixedly connected with loam cake.Through connecting rod cylindrical outer casing is fixed, when preventing that it from rotating, rubber is had an effect.
Adopted the principle of the present invention and the beneficial effect of technique scheme to be:
Adopted rubber spring as core component in the chassis of the present invention, the main shaft two ends of rubber spring connect backrest through connecting rod, when the people leans on backrest; Backrest applies certain power through connecting rod to main shaft, and driving main shaft is rotated certain corner, and the cylindrical outer casing of rubber spring is fixed; So the rotation of main shaft makes rubber layer produce torsion; The corner of main shaft is big more, and torsion is big more, and this part torsion can order about main shaft and backrest resets.
The present invention is provided with engaging lug on cylindrical outer casing, engaging lug through rotating screw bolt, makes cylindrical outer casing turn over certain corner through the Connection Block connecting screw rod, like this can be according to the size of the initial degree of tightness power of each human needs regulating spring.
The present invention also is provided with pneumatic spring in the chassis, the two ends of pneumatic spring respectively with main shaft on lug and loam cake hinged, when pneumatic spring is in open mode; Lug rotates with main shaft; When needs are fixed on certain position with backrest, close pneumatic spring, at this moment; Main shaft no longer rotates, and backrest has been fixed on certain position.
After having adopted chassis structure of the present invention, can realize that backrest regulates at any angle and may be locked on the optional position, it is very convenient to make backrest regulate, and can satisfy different human needs.
Description of drawings
Fig. 1 is the explosive view on chassis of the present invention;
Fig. 2 is the open mode sketch map of loam cake of the present invention;
Fig. 3 is the installation diagram on chassis of the present invention;
Fig. 4 is the cutaway view of Fig. 3;
Fig. 5 is the cutaway view of Fig. 3 other direction;
Fig. 6 is the structural representation of rubber spring;
Fig. 7 is that the A of Fig. 6 is to view.
The specific embodiment
The specific embodiment of the present invention is following:
Embodiment 1: a kind of swivel chair chassis like Fig. 1~shown in Figure 3, comprises the loam cake 1, the lower cover 2 that cover mutually; In the space that upper and lower cover 1,2 forms, be provided with a rubber spring; Like Fig. 1, Fig. 2, Fig. 6, shown in Figure 7, described rubber spring comprises the main shaft 3 in order to the Connection Block chair back, outside main shaft 3, circumferentially is fixed with rubber layer 4; The two ends of main shaft 3 are exposed to outside the rubber layer 4; Fixed cover is provided with cylindrical outer casing 5 outside rubber layer 4, and the outline of rubber layer 4, cylindrical outer casing 5 cross sections is circular, and main shaft 3 all is to be processed by metal material with cylindrical outer casing 5; The process of rubber spring is: main shaft 3 and cylindrical outer casing 5 are placed in the mould, and main shaft 3 is in the position of cylindrical outer casing 5 central axis, and casting rubber forms rubber layer 4 between main shaft 3 and cylindrical outer casing 5 then.
Like Fig. 1, Fig. 2, Fig. 4, shown in Figure 5, described rubber layer 4, cylindrical outer casing 5 are along being divided into two sections on the main shaft axial direction, and two sections cylindrical outer casings 5 do not link to each other; On every section cylindrical outer casing 5, be provided with an engaging lug 6, on engaging lug 6, be provided with axis hole 1, between two engaging lugs 6, be provided with a connecting seat 8; Correspondence is provided with axis hole 2 10 on Connection Block 8, and steady pin 9 passes the axis hole 2 10 on axis hole 1 and the Connection Block 8, and Connection Block 8 and engaging lug 6 are rotatably connected; On Connection Block 8, also be provided with a screwed hole with axis hole 2 10 vertical directions, described screwed hole is connected with connecting rod 11, and connecting rod 11 is a screw rod; The thread segment of connecting rod 11 1 ends and the screwed hole of Connection Block 8 are spirally connected; The screw head 20 of the other end of connecting rod 11 passes loam cake 1 back and connects adjusting knob 12, and the screw head 20 and adjusting knob 12 integrated injection moldings of connecting rod 11 are covered with overcoat 21 at adjusting knob 12; On connecting rod 11, also be provided with limiting component; Described limiting component is one to be set in the small sleeve 13 on the connecting rod 11, and small sleeve 13 is horn-like, and small sleeve 13 is arranged on outside the loam cake 1; On loam cake 1, be provided with the step surface 14 that matches with the annular slope of small sleeve 13, small sleeve 13 is against on the step surface 14.Thus, screw adjusting knob 12 pivot links 11, drive cylindrical outer casing 5 and turn an angle forward or backwards, to regulate the initial elastic force size of rubber spring.
On the main shaft that exposes between two sections cylindrical outer casings 5, be welded with a pair of lug 15; Between two lugs 15, be provided with a mount pad 16; One pneumatic spring 23 links to each other with lug 15 through mount pad 16; On lug 15, be provided with axis hole 3 17, correspondence is provided with axis hole 4 18 on mount pad 16, and the little axle 19 of a connection is located in and makes mount pad 16 and lug 15 form hinged in axis hole 3 17, the axis hole 4 18.
Like Fig. 1, Fig. 2, shown in Figure 4; Mount pad 16 is such with the syndeton of pneumatic spring 23; On mount pad 16, also be provided with one with the perpendicular jack 22 of axis hole 4 18, the gas bar 24 of pneumatic spring 23 1 ends is inserted in the jack 22, on mount pad 16, also is provided with a pair of little lug 25; On mount pad 16, also be provided with one perpendicular to said jack 22 and the lever installing hole 26 that is connected with jack 22; One lever 27 is inserted into to offset in the described lever installing hole 26 and with the valve 28 of gas bar 24 heads and cooperates, and an end and the little lug 25 of lever 27 are hinged, and the other end of lever 27 connects control line; The other end of pneumatic spring 23 and loam cake 1 are hinged.
When main shaft 3 rotates, and pneumatic spring 23 is when being in open mode, and gas bar 24 freely stretches with the rotation of lug 15; When needs are fixed on certain position with backrest, the pulling control line, lever 27 touches valve 28, and pneumatic spring 23 is closed, and main shaft 3 is fixing, to reach the fixedly purpose of backrest.
Embodiment 2: the difference of present embodiment and embodiment 1 is that described cylindrical outer casing circumferentially is fixedly connected with upper and lower cover; Rubber spring also can be had an effect like this, and the form that cylindrical outer casing is not rotated is also varied, and such as changing its shape into except that circle other shapes, it is back spacing to it that covers is covered; Also engaging lug can be set on cylindrical outer casing, engaging lug is connected fixing with loam cake through connecting rod, or the like.

Claims (2)

1. swivel chair chassis is characterized in that: comprise loam cake, lower cover, in the space that upper and lower cover forms, be provided with rubber spring, described rubber spring comprises main shaft, on main shaft, circumferentially is fixed with rubber layer, and fixed cover is provided with cylindrical outer casing outside rubber layer; On cylindrical outer casing, be provided with engaging lug, engaging lug links to each other with an end of connecting rod, and the other end of connecting rod connects adjusting knob after passing loam cake; Link to each other through Connection Block between described engaging lug and the connecting rod; Described engaging lug is two, and described connecting rod is a screw rod, and Connection Block is between two engaging lugs and is hinged with engaging lug; One end of connecting rod is threaded with Connection Block, on connecting rod, also is provided with limiting component; Described limiting component is one to be set in the small sleeve on the connecting rod, and it is horn-like that small sleeve is, and is provided with the step surface that matches with the inclined-plane of small sleeve last covering, and small sleeve is against on the step surface; On main shaft, be welded with a pair of lug, described lug and mount pad are hinged, and mount pad links to each other with an end of pneumatic spring, and the other end and the loam cake of pneumatic spring are hinged; Described rubber layer, cylindrical outer casing are provided with an engaging lug along being divided into two sections on the main shaft axial direction on every section cylindrical outer casing, lug is welded on two sections main shafts between the cylindrical outer casing; On mount pad, be provided with a jack; The gas bar of pneumatic spring is inserted in the jack; On mount pad, also be provided with a pair of little lug, on mount pad, also be provided with one perpendicular to said jack and the lever installing hole that is connected with jack, a lever is inserted into to offset in the described lever installing hole and with the valve of gas club head and cooperates; One end and the little lug of lever are hinged, and the other end of lever connects control line.
2. a kind of swivel chair according to claim 1 chassis is characterized in that: the cross section outer contour shape of described rubber layer is for circular.
CN201110075221A 2011-03-28 2011-03-28 Chassis of revolving chair Active CN102119816B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201110075221A CN102119816B (en) 2011-03-28 2011-03-28 Chassis of revolving chair
PCT/CN2011/082132 WO2012129908A1 (en) 2011-03-28 2011-11-14 Swivel chair chassis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110075221A CN102119816B (en) 2011-03-28 2011-03-28 Chassis of revolving chair

Publications (2)

Publication Number Publication Date
CN102119816A CN102119816A (en) 2011-07-13
CN102119816B true CN102119816B (en) 2012-09-05

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WO (1) WO2012129908A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102119816B (en) * 2011-03-28 2012-09-05 浙江永艺家具股份有限公司 Chassis of revolving chair
US9192236B2 (en) 2012-07-27 2015-11-24 Kgm Gaming Llc Guard and combination for rotatable or swivel seat and method of installing same
CN103479112A (en) * 2013-09-24 2014-01-01 浙江永艺家具股份有限公司 Swivel chair base plate
CN107836888B (en) * 2017-11-01 2023-12-19 安吉海棠家具有限公司 Chair with hidden extension function
CN112790541A (en) * 2020-12-28 2021-05-14 安吉金标家具厂 Swivel chair chassis convenient to mounting structure intensity is high

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2571263Y (en) * 2002-10-07 2003-09-10 陈敏 Lifting, inclining regulator for boss chair
CN2680111Y (en) * 2003-11-04 2005-02-23 乔山健康科技股份有限公司 Angle adjustable device of back of chair
CN101112875A (en) * 2007-08-21 2008-01-30 浙江大学 Chair body obliquity adjustable vehicular children's safe seat
CN101137308A (en) * 2005-02-03 2008-03-05 约瑟夫·格洛克尔 A seating furniture carrier element
CN201948436U (en) * 2011-03-28 2011-08-31 浙江永艺家具有限公司 Chassis of revolving chair

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Publication number Priority date Publication date Assignee Title
WO2000022959A1 (en) * 1998-10-20 2000-04-27 Protoned B.V. Chair mechanism
CN102860686B (en) * 2004-09-22 2014-12-31 株式会社冈村制作所 Back rest tilting device
JP2009160356A (en) * 2008-01-04 2009-07-23 Nakai Mokko:Kk Nonstep angle adjusting device
CN102119816B (en) * 2011-03-28 2012-09-05 浙江永艺家具股份有限公司 Chassis of revolving chair

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2571263Y (en) * 2002-10-07 2003-09-10 陈敏 Lifting, inclining regulator for boss chair
CN2680111Y (en) * 2003-11-04 2005-02-23 乔山健康科技股份有限公司 Angle adjustable device of back of chair
CN101137308A (en) * 2005-02-03 2008-03-05 约瑟夫·格洛克尔 A seating furniture carrier element
CN101112875A (en) * 2007-08-21 2008-01-30 浙江大学 Chair body obliquity adjustable vehicular children's safe seat
CN201948436U (en) * 2011-03-28 2011-08-31 浙江永艺家具有限公司 Chassis of revolving chair

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特开2009-160356A 2009.07.23

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Publication number Publication date
WO2012129908A1 (en) 2012-10-04
CN102119816A (en) 2011-07-13

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Address after: 313300 Zhejiang City, Huzhou Province, Anji County, West Wing Road, No. 1

Applicant after: Zhejiang Yongyi Furniture Co.,Ltd.

Address before: 313300 No. 58, Yi art road, Anji economic and Technological Development Zone, Huzhou, Zhejiang

Applicant before: Zhejiang UE Furniture Co., Ltd.

COR Change of bibliographic data

Free format text: CORRECT: APPLICANT; FROM: ZHEJIANG UE FURNITURE CO., LTD. TO: ZHEJIANG YONGYI FURNITURE CO., LTD.

C14 Grant of patent or utility model
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CP01 Change in the name or title of a patent holder

Address after: 313300 Zhejiang City, Huzhou Province, Anji County, West Wing Road, No. 1

Patentee after: UE FURNITURE CO., LTD.

Address before: 313300 Zhejiang City, Huzhou Province, Anji County, West Wing Road, No. 1

Patentee before: Zhejiang Yongyi Furniture Co.,Ltd.