WO2012148167A2 - 의자용 칼럼 유니트 - Google Patents
의자용 칼럼 유니트 Download PDFInfo
- Publication number
- WO2012148167A2 WO2012148167A2 PCT/KR2012/003187 KR2012003187W WO2012148167A2 WO 2012148167 A2 WO2012148167 A2 WO 2012148167A2 KR 2012003187 W KR2012003187 W KR 2012003187W WO 2012148167 A2 WO2012148167 A2 WO 2012148167A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pipe
- chair
- spindle
- column unit
- guide
- Prior art date
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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
- 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
- A47C3/30—Chairs or stools with vertically-adjustable seats with vertically-acting fluid cylinder
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/36—Special sealings, including sealings or guides for piston-rods
- F16F9/366—Special sealings, including sealings or guides for piston-rods functioning as guide only, e.g. bushings
Definitions
- the present invention relates to a chair column unit coupled to the chair base inclined portion of the outer pipe directly to a beautiful appearance and to a variety of designs, and more particularly to a lateral force acting as an axis while compactly configuring the column unit.
- the present invention relates to a chair column unit capable of improving durability.
- the gas cylinder is to be applied to the height adjustment device of the chair, the gas cylinder is the inner cylindrical pipe 5 of the cylindrical shape as shown in Figs. 1a and 1b, and the inner cylinder in the state inserted into the outer pipe (5)
- An exposed end of the piston rod 6 provided in the spindle assembly 2 which is fixed to the bottom surface of the outer pipe 5 and is raised / lowered when the gas flow path of the valve 8b provided therein is changed;
- a spindle guide (4) provided inside the upper side of (5) to guide and support the lifting / lowering of the spindle assembly (2).
- the gas opening / closing pin 8, the taper holder 8a, the valve 8b and the flow path 2a are identically provided inside the spindle assembly 2.
- the spindle guide 4 may be inserted into the outer pipe 5, and the piston 5a, the piston rod 6, the cushion cover 6a, and the bearing assembly 6b may be installed.
- the spindle guide 4 is mounted in the outer pipe 5 having a wide top and a narrow bottom, and the spindle assembly 2 is mounted along the inner surface of the spindle guide 4.
- the spindle guide 4 has a structure fixed to the outer cylinder pipe 5 through a fixing pin 7 (spring pin).
- the gas cylinder is required to have a simple design of the outer appearance, and the outer cylinder pipe of the gas cylinder is almost in contact with the chair base, and the tapered shape is provided from the top of the outer cylinder pipe to provide a simple design while providing a sense of stability. have.
- the present invention has been devised to solve the above problems, while compactly configuring the column unit for the chair and at the same time lateral force (meaning a horizontal load that can act in any direction 360 degrees relative to the vertical axis of the column unit)
- An object of the present invention is to provide a column unit for chairs capable of improving durability.
- a cylindrical outer cylinder pipe, and the exposed end of the piston rod provided on the inner side in the state inserted into the outer cylinder pipe is fixed to the bottom surface of the outer cylinder pipe and
- the spindle assembly moves up and down from the inside, including a spindle assembly which is raised and lowered when the gas flow path of the valve provided in the valve is provided, and a spindle guide provided inside the upper side of the outer pipe to guide and support the lifting and lowering of the spindle assembly.
- the outer pipe is formed with an inclined portion having a diameter that gradually widens toward the tip, inserted into the outer pipe pipe to form a space between the inclined portion And an inner cylinder pipe, wherein the spindle guide comprises the inner cylinder wave. It is inserted into the loop a chair column unit, for guiding the vertical movement of the spindle assembly is provided.
- the inclined portion is formed to have a diameter gradually wider toward the tip and a predetermined length in the inclined portion
- An outer pipe formed with a straight portion extending by;
- a chair column unit is provided that includes an inner cylinder pipe inserted into the outer cylinder pipe and the spindle guide inserted into the inner cylinder pipe to guide the movement of the spindle assembly.
- the outer pipe may have a straight portion extending from the inclined portion by a predetermined length.
- a hooking jaw is formed inside the tip of the outer pipe, the tip of the inner pipe is bent outwardly to be seated on the hooking jaw, and the outer pipe and the inner pipe may be fixed to each other by being pressed against the outer surface. .
- At least one through hole may be formed along the outer circumference of the tip of the inner pipe.
- a locking protrusion may be formed inside the inner tube pipe, and a locking groove into which the locking protrusion may be inserted may be formed at an outer side of the spindle guide.
- a gas of a valve having a cylindrical outer cylinder pipe and an exposed end of a piston rod provided therein while being inserted into the outer cylinder pipe is fixed to a bottom surface of the outer cylinder pipe and provided therein.
- the outer pipe is formed with an inclined portion having a diameter gradually wider toward the tip, the chair is formed integrally with the fixing portion bent to surround the outer peripheral surface of the front end of the spindle guide A column unit is provided.
- At least one locking end may be formed on an outer circumferential surface of the spindle guide.
- the spindle guide may have a seating portion in which a fixing portion of the outer pipe pipe is mounted in a circumferential direction, and the seating portion may be fixed in engagement with the fixing portion.
- the outer pipe and the inner pipe is fixed to each other by the compression structure to improve the construction performance has the effect of improving the production efficiency.
- the spindle guide and the inner pipe are closely contacted in parallel, there is an effect of improving the durability of the device by uniformly receiving the load acting in the lateral direction.
- 1A is a cross-sectional view showing the structure of a conventional column unit
- FIG. 1B is a state diagram when a lateral force is applied to the column unit of FIG. 1A,
- FIG. 2 is a configuration diagram illustrating a column unit of a conventional gas cylinder
- Figure 3a is a cross-sectional view showing the configuration of the coupling assembly of the column unit for a chair according to the first embodiment of the present invention
- 3B is a configuration diagram for explaining in more detail the coupling assembly of the column unit for a chair according to the first embodiment of the present invention
- Figure 4a is a cross-sectional view showing the configuration of the coupling assembly of the column unit for a chair having a long taper according to a second embodiment of the present invention
- Figure 4b is a state diagram showing a state in which the spindle assembly is removed in Figure 4a
- Figure 4c is a state diagram showing a state in which the spindle guide is removed in Figure 4b,
- FIG. 4D is a cross-sectional view showing the outer pipe of one configuration of FIG. 4A;
- Figure 5a is a cross-sectional view showing the configuration of the coupling assembly of the column unit for a chair having an all-type taper according to a third embodiment of the present invention
- Figure 5b is a state diagram showing a state in which the spindle assembly is removed in Figure 5a
- Figure 5c is a state diagram showing a state in which the spindle guide is removed in Figure 5b,
- Figure 5d is a cross-sectional view showing a state that the upper end of the outer pipe of one configuration of Figure 5a is cured
- FIG. 6 is a cross-sectional view showing the inner pipe of the coupling assembly of the column unit for a chair according to the embodiment of the present invention
- FIG. 7 is a cross-sectional view showing the outer pipe of the coupling assembly of the column unit for a chair according to the embodiment of the present invention.
- FIG. 8 is a side view showing the spindle guide of the coupling assembly of the column unit for a chair according to the embodiment of the present invention.
- FIG. 9 is a cross-sectional view of FIG. 8.
- 10A is a cross-sectional view showing a coupling assembly of a column unit for a chair according to a fourth embodiment of the present invention.
- FIG. 10B is a partially enlarged view illustrating 'A' of FIG. 10A.
- FIG. 10C is an enlarged partial view of the fixing part of FIG. 10A.
- the column unit for a chair has a gas opening and closing pin (8), a tapered holder (8a), a valve (8b) and a piston (5a) to the spindle assembly 2 as in the prior art It can be applied to the provided gas cylinder.
- Reference numeral 6 denotes a piston rod, 6a denotes a cushion rubber, and 6b denotes a bearing assembly, and thus a detailed description thereof will be omitted.
- the configuration of the chair column unit as shown in Figure 3b is composed of an outer cylinder pipe 10, the inner cylinder pipe 20, and the spindle guide (30).
- the outer pipe 10 has a flat portion 16 having a predetermined length as shown in FIG. 4B, an inclined portion 12 having a larger diameter toward the tip, and a straight portion H extending from the inclined portion 12.
- a fixing plate 11 to which the end of the piston rod 6 (refer to FIG. 3A) is fixed is formed inside, and a concave locking jaw 14 is formed along the inner circumferential surface inside the tip end of the outer pipe 10.
- the upper portion of the locking jaw 14 serves to prevent the separation of the inner pipe 20 by forming a bent portion 14a (see FIG. 4D).
- the length of the inclination portion 12 of the outer pipe 10 may vary in length depending on preference. That is, as shown in FIGS. 4A to 4D, the taper may be formed in a long taper shape in which a straight portion H is formed at an upper end thereof, and the straight portion H may be excluded from the upper end as shown in FIGS. 5A to 5D. It may be provided in the form of a tapered all inclined immediately.
- the inner pipe 20 is formed in a cylindrical shape and a bent portion 21 is formed to be bent vertically outward on the tip.
- the bent portion 21 forms a state seated on the engaging jaw 14 of the outer pipe 10 when engaged.
- the inside of the tip of the inner pipe 20, the locking projection 22 is formed to be inclined inwardly.
- a plurality of through holes h may be formed at the outer circumference of the bent portion 21.
- the through hole h serves as a kind of drain hole in the painting process of the column unit, thereby preventing water from accumulating inside the washing process, thereby preventing rust from occurring in the unit.
- the inner cylinder pipe 20 may be mutually coupled by pressing the outer surface of the outer cylinder pipe 10 in the state inserted into the outer cylinder pipe 10, wherein the compressed region to the pressing portion 15 Display.
- the space 13 is formed between the outer pipe 10 and the inner pipe 20. That is, the space 13 is formed between the inclined portion 12 of the outer pipe 10 and the outer surface of the inner pipe 20.
- the spindle guide 30 is composed of a head portion 31 and the body portion 32 as shown in FIGS.
- the head portion 31 is provided with a mounting end 31a extending outward, and the mounting end 31a is installed in close contact with the front end of the inner cylinder pipe 20 and the outer cylinder pipe 10.
- the spindle guide 30 may be formed by injection molding with synthetic resin, and the fat slits 35 may be formed in various places for cost reduction.
- a plurality of locking grooves 33 may be formed at the front end side of the body portion 32. The locking groove 33 is engaged with the locking projection 22 of the inner cylinder pipe 20 to form a fixed state.
- the locking projection 22 is caught in the locking groove 33 of the spindle guide 30 so that the spindle guide 30 is not separated from the outside while being inserted into the inner cylinder pipe 20.
- the spindle assembly 2 is inserted into the spindle guide 30.
- the inner circumferential surface of the spindle guide 30 and the outer circumferential surface of the spindle assembly 2 form a state inserted in parallel. Accordingly, even when the load is applied in the horizontal direction (360 degrees from the vertical axis), the load is uniformly applied to the entire contact surface of the spindle guide 30 and the spindle assembly 2, thereby preventing localized load from occurring. can do.
- the inclined portion 12 of the outer cylinder pipe 10 is a space that is inserted / seated in the center hole of the bridge base (chair base) to form a space 13 between the inner cylinder pipe 20, material loss during processing By minimizing and combining with each other by pressing can increase the production efficiency.
- the inner pipe 20 is excluded, and the outer pipe 10 is formed in a substantially 'Y' shape.
- the spindle guide 30 has a mounting structure directly in the outer pipe 10.
- the fixing portion 18 (FIG. 10C) bent inwardly is formed at the front end of the outer pipe 10 to prevent the spindle guide 30 from rising upward.
- a locking end 19 is formed on the outer surface of the spindle guide 30 so that the side surface of the spindle guide 30 comes into contact with the outer pipe 10 to fix the outer surface of the spindle guide 30. In contact with the inner surface of the outer pipe 10 serves to fix.
- the spindle guide 30 and the outer pipe 10 may be coupled to form a predetermined space (V).
- the fixing portion 18 of the outer pipe 10 may be bent and fixed to the seating portion 18a of the spindle guide 30 without a separate fixture.
- the apparatus structure is simplified by excluding the inner pipe 20, thereby further improving the fish cost and construction efficiency.
Landscapes
- Chairs Characterized By Structure (AREA)
Abstract
Description
Claims (9)
- 원통 형상의 외통 파이프와, 상기 외통 파이프에 삽입된 상태에서 내측에 제공된 피스톤 로드의 노출 단부가 상기 외통 파이프의 바닥면에 고정되어 내부에 제공되는 밸브의 가스 유로 변경시 승하강되는 스핀들 조립체와, 상기 외통 파이프의 상측 내부에 제공되어 상기 스핀들 조립체의 승하강을 안내 및 지지하는 스핀들 가이드를 포함하여 상기 스핀들 조립체가 내부에서 상하로 이동되는 것으로 의자의 높이조절을 하는 의자용 칼럼 유니트에 있어서,상기 외통 파이프는 선단으로 갈수록 점차 넓어지는 지름을 갖도록 경사부가 형성되고,상기 외통 파이프 내부에 삽입되어 상기 경사부와의 사이에 공간부를 형성하는 내통 파이프를 포함하고,상기 스핀들 가이드는 상기 내통 파이프에 삽입되어 상기 스핀들 조립체의 상하이동을 안내하는 것을 특징으로 하는 의자용 칼럼 유니트.
- 스핀들 조립체가 내부에서 상하로 이동되는 것으로 의자의 높이조절을 하는 의자용 칼럼 유니트로서,선단으로 갈수록 점차 넓어지는 지름을 갖도록 경사부가 형성된 외통 파이프;상기 외통 파이프 내부에 삽입되는 내통 파이프; 및상기 내통 파이프에 삽입되어 상기 스핀들 조립체의 상하이동을 안내하는 상기 스핀들 가이드를 포함하는 것을 특징으로 하는 의자용 칼럼 유니트.
- 제1항 또는 제2항에 있어서,상기 외통 파이프에는 상기 경사부에서 일정길이만큼 연장된 직선부를 갖는 것을 특징으로 하는 의자용 칼럼유니트.
- 제1항 또는 제2항에 있어서,상기 외통 파이프의 선단의 내측에는 걸림턱이 형성되고,상기 내통 파이프의 선단은 외측으로 절곡되어 상기 걸림턱에 안착되며,상기 외통 파이프와 상기 내통 파이프는 외측면이 압착되어 서로 고정되는 것을 특징으로 하는 의자용 칼럼 유니트.
- 제4항에 있어서,상기 내통 파이프의 선단의 외주연을 따라서 적어도 하나의 관통공이 형성된 것을 특징으로 하는 의자용 칼럼 유니트.
- 제1항 또는 제2항에 있어서,상기 내통 파이프의 내측에는 걸림돌기가 형성되고,상기 스핀들 가이드의 외측에는 상기 걸림돌기가 삽입되는 걸림홈이 형성된 것을 특징으로 하는 의자용 칼럼 유니트.
- 원통 형상의 외통 파이프와, 상기 외통 파이프에 삽입된 상태에서 내측에 제공된 피스톤 로드의 노출 단부가 상기 외통 파이프의 바닥면에 고정되어 내부에 제공되는 밸브의 가스 유로 변경시 승하강되는 스핀들 조립체와, 상기 외통 파이프의 상측 내부에 제공되어 상기 스핀들 조립체의 승하강을 안내 및 지지하는 스핀들 가이드를 포함하여 상기 스핀들 조립체가 내부에서 상하로 이동되는 것으로 의자의 높이조절을 하는 의자용 칼럼 유니트에 있어서,상기 외통 파이프는 선단으로 갈수록 점차 넓어지는 지름을 갖는 경사부가 형성되고,상기 외통 파이프의 선단에는 상기 스핀들 가이드의 선단 외주면을 감싸도록 절곡된 고정부가 일체로 형성된 것을 특징으로 하는 의자용 칼럼 유니트.
- 제7항에 있어서,상기 스핀들 가이드의 외주면에는 적어도 하나의 걸림단이 형성된 것을 특징으로 하는 의자용 칼럼 유니트.
- 제7항 또는 제8항에 있어서,상기 스핀들 가이드는 상단에 상기 외통 파이프의 고정부가 안착되는 안착부가 둘레방향으로 형성되고, 상기 안착부는 상기 고정부에 맞물린 상태로 고정된 것을 특징으로 하는 의자용 칼럼 유니트.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112012001922.9T DE112012001922T5 (de) | 2011-04-29 | 2012-04-25 | Stützeneinheit für Stuhl |
CN201280021071.9A CN103561612B (zh) | 2011-04-29 | 2012-04-25 | 椅用支柱单元 |
US14/113,028 US20140145483A1 (en) | 2011-04-29 | 2012-04-25 | Column unit for chair |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20110040989 | 2011-04-29 | ||
KR10-2011-0040989 | 2011-04-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2012148167A2 true WO2012148167A2 (ko) | 2012-11-01 |
WO2012148167A3 WO2012148167A3 (ko) | 2013-03-28 |
Family
ID=47072900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2012/003187 WO2012148167A2 (ko) | 2011-04-29 | 2012-04-25 | 의자용 칼럼 유니트 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20140145483A1 (ko) |
CN (1) | CN103561612B (ko) |
DE (1) | DE112012001922T5 (ko) |
WO (1) | WO2012148167A2 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105465258A (zh) * | 2014-09-05 | 2016-04-06 | 亚德利塑胶工厂股份有限公司 | 气压棒 |
CN106499765B (zh) * | 2015-09-06 | 2019-05-10 | 青岛三弘精密器械有限公司 | 气缸 |
US10487901B2 (en) | 2017-01-09 | 2019-11-26 | Beijingwest Industries Co., Ltd. | Damping strut |
CN108397503B (zh) * | 2017-02-06 | 2020-04-14 | 株式会社万都 | 一种改进型减震器 |
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JP2011052732A (ja) * | 2009-08-31 | 2011-03-17 | Hitachi Automotive Systems Ltd | シリンダ装置 |
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2012
- 2012-04-25 WO PCT/KR2012/003187 patent/WO2012148167A2/ko active Application Filing
- 2012-04-25 DE DE112012001922.9T patent/DE112012001922T5/de not_active Ceased
- 2012-04-25 US US14/113,028 patent/US20140145483A1/en not_active Abandoned
- 2012-04-25 CN CN201280021071.9A patent/CN103561612B/zh active Active
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KR200226715Y1 (ko) * | 2001-01-20 | 2001-06-15 | 주식회사삼홍사 | 의자용 칼럼 유니트 |
KR200379956Y1 (ko) * | 2004-12-16 | 2005-03-28 | 주식회사 삼홍사 | 가스 실린더 |
KR20070117230A (ko) * | 2006-06-07 | 2007-12-12 | 주식회사 삼홍사 | 가스 실린더 |
JP2011052732A (ja) * | 2009-08-31 | 2011-03-17 | Hitachi Automotive Systems Ltd | シリンダ装置 |
Also Published As
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CN103561612A (zh) | 2014-02-05 |
DE112012001922T5 (de) | 2014-03-20 |
US20140145483A1 (en) | 2014-05-29 |
WO2012148167A3 (ko) | 2013-03-28 |
CN103561612B (zh) | 2016-10-12 |
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