KR200390709Y1 - Fixed construction of caster for chairs - Google Patents
Fixed construction of caster for chairs Download PDFInfo
- Publication number
- KR200390709Y1 KR200390709Y1 KR20-2005-0011557U KR20050011557U KR200390709Y1 KR 200390709 Y1 KR200390709 Y1 KR 200390709Y1 KR 20050011557 U KR20050011557 U KR 20050011557U KR 200390709 Y1 KR200390709 Y1 KR 200390709Y1
- Authority
- KR
- South Korea
- Prior art keywords
- caster
- support shaft
- chair
- shaft pin
- bearing
- 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.)
- Expired - Fee Related
Links
- 238000010276 construction Methods 0.000 title 1
- 230000008878 coupling Effects 0.000 claims abstract description 15
- 238000010168 coupling process Methods 0.000 claims abstract description 15
- 238000005859 coupling reaction Methods 0.000 claims abstract description 15
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 9
- 239000000057 synthetic resin Substances 0.000 claims abstract description 9
- 238000002347 injection Methods 0.000 claims abstract description 5
- 239000007924 injection Substances 0.000 claims abstract description 5
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000001746 injection moulding Methods 0.000 description 4
- 230000001788 irregular Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
-
- 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
- A47B91/00—Feet for furniture in general
- A47B91/06—Gliders or the like
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
본 고안은 의자용 캐스터의 고정구조에 관한 것으로, 더욱 구체적으로는 합성수지제로 사출성형되는 캐스터의 지지축부에 끼워지는 의자다리 지지축핀의 삽입이 용이하고 이탈방지및 원활한 회전작동이 이루어지도록 한 의자용 캐스터의 고정구조에 관한 것이다.The present invention relates to a fixed structure of a caster for a chair, and more specifically, for a chair for easy insertion of a chair leg support shaft pin inserted into a support shaft of a caster injection molded of synthetic resin, to prevent separation and smooth rotation operation. It relates to a fixed structure of the caster.
즉, 합성수지제로 사출성형되는 의자용 캐스터에 있어서, 의자다리의 나사결합관에 지지축핀 상단의 나사부가 결합되고 지지축핀하단의 결합환홈과 축볼은 캐스터의 지지축부에 형성된 결합환턱과 축받이에 결합되며 축받이의 중앙 또는 측부에 통기성구멍이 관통되게 형성된 것을 포함하여서됨을 특징으로 하는 의자용 캐스터의 고정구조이다.That is, in the caster for chair injection molded from synthetic resin, the screw portion of the upper end of the support shaft pin is coupled to the screw coupling tube of the chair leg, the coupling ring groove and the shaft ball of the lower end of the support shaft pin is coupled to the coupling ring and the bearing formed on the support shaft of the caster It is a fixed structure of the caster for a chair, characterized in that it comprises a through-hole formed in the center or side of the bearing.
Description
본 고안은 의자용 캐스터의 고정구조에 관한 것으로, 더욱 구체적으로는 합성수지제로 사출성형되는 캐스터의 지지축부에 끼워지는 의자다리 지지축핀의 삽입이 용이하고 이탈방지및 원활한 회전작동이 이루어지도록 한 의자용 캐스터의 고정구조에 관한 것이다.The present invention relates to a fixed structure of a caster for a chair, and more specifically, for a chair for easy insertion of a chair leg support shaft pin inserted into a support shaft of a caster injection molded of synthetic resin, to prevent separation and smooth rotation operation. It relates to a fixed structure of the caster.
일반적으로 의자용 캐스터는 의자다리와 지지축핀으로 연결되어 캐스터의 바퀴이동방향이 360도로 전환되도록 하고 있으며, 이러한 캐스터의 회전수단은 여러가지 구조가 알려져 있다.In general, the caster for the chair is connected to the chair leg and the support shaft pin so that the wheel movement direction of the caster is switched to 360 degrees, the rotation means of such a caster is known in various structures.
그러나 상기 캐스터의 회전수단은 주로 캐스터의 상단부와 의자다리사이에 다수의 볼베어링이 설치된 구성으로 되어 있기 때문에 많은 부품사용으로 인한 제조원가 상승의 원인이되었을 뿐만 아니라 노출된 회전작동부위에 의해 소음이 발생하게 되었다.However, the rotating means of the caster mainly consists of a plurality of ball bearings installed between the upper end of the caster and the leg of the caster, which not only caused the increase in manufacturing cost due to the use of many parts, but also caused noise by the exposed rotating operating part. It became.
그래서 최근에는 합성수지제로 지지축부를 갖는 캐스터를 사출성형하여 지지축핀의 축볼이 끼워지도록 한 것이 있으나, 이는 지지축부의 상측만 개방되고 축받이는 밀폐되어 있으므로 성형과정에서 비틀림및 불규칙한 요철면을 갖게 되어 지지축핀을 삽입하는데 어려움이 있고 지지축핀의 회전이 원활하지 못한 문제점이 있었다.So, in recent years, the caster having the support shaft part is made of synthetic resin so that the shaft ball of the support shaft pin can be fitted, but this is only open at the upper side of the support shaft and the bearing is sealed, so it has a torsional and irregular irregular surface during the molding process. Difficult to insert the shaft pin and there was a problem that the rotation of the support shaft pin is not smooth.
본 고안은 이러한 문제점을 해결하기 위하여 합성수지제로 캐스터를 사출성형하되 캐스터의 지지축부에 형성되는 축받이에 통기성 구멍이 관통되게 사출성형하여 지지축부의 변형방지및 축받이의 지지축핀 축볼회전이 용이하도록 한 의자용 캐스터의 고정구조에 관한 것이다.In order to solve this problem, the present invention is to cast a caster made of synthetic resin, but the injection molding is formed through the breathable hole through the bearing formed in the support shaft of the caster to prevent deformation of the support shaft and to facilitate the support shaft pin shaft rotation of the bearing It relates to a fixed structure of the caster.
본 고안의 의자용 캐스터는 합성수지제로 사출성형하여 의자다리(30)와 캐스터(10)를 지지축핀(20)으로 일체로 연결고정하되 의자다리(30)의 나사결합관(32)에 지지축핀(20)상단의 나사부(22)가 나사결합되고 지지축핀(20)하단의 결합환홈(24)과 축볼(26)은 캐스터(10)의 지지축부(11)에 형성된 결합환턱(12)과 축받이(13)에 결합되며 캐스터(10)의 중앙축수부(17)에 한쌍의 바퀴(15)와 바퀴(15)상측에 커버(16)가 형성되어 있다.Chair caster of the present invention is injection molded of synthetic resin and fixed to the chair leg 30 and the caster 10 is integrally connected to the support shaft pin 20, the support shaft pin (32) on the screw coupling pipe 32 of the chair leg (30). 20, the upper screw portion 22 is screwed and the coupling ring groove 24 and the shaft ball 26 at the lower end of the support shaft pin 20, the coupling ring projection 12 and the bearing (12) formed in the support shaft portion 11 of the caster 10 13 and a pair of wheels 15 and a cover 16 are formed on the wheels 15 on the central bearing portion 17 of the caster 10.
그리고 축받이(13)의 중앙 또는 측부에 통기성구멍(14)이 관통되게 형성한 구성으로 지지축부(11)의 변형을 방지하고 축받이(13)에 지지축핀(20)의 축볼(26)이 원활하게 회전되도록 한 것이다.In addition, the vent hole 14 penetrates the center or side of the bearing 13 to prevent deformation of the support shaft 11 and smoothly the shaft ball 26 of the support shaft pin 20 to the bearing 13. To rotate.
이와 같이 된 본 고안은 캐스터(10)를 합성수지제로 사출성형하여 지지축핀(20)이 끼워지는 지지축부(11)를 구성하게 될때 지지축부(11)의 축받이(13)부분에 통기성구멍(14)을 갖는 형태로 사출 성형하게 되므로 지지축부(11)의 결합환턱(12)과 축받이(13)부분이 변형되지 않고 균일한 상태를 유지하게 되므로 지지축핀(20)의 삽입이 용이하고 지지축핀(20)의 결합환홈(24)이 지지축부(11)의 결합환턱(12)에 긴밀히 끼워져서 이탈방지하게 된다.The present invention as described above has a breathable hole 14 in the bearing 13 of the support shaft portion 11 when forming the support shaft portion 11 into which the support shaft pin 20 is fitted by injection molding the caster 10 with a synthetic resin. Since the injection molding is in the form of having a coupling ring jaw 12 and the bearing 13 of the support shaft portion 11 is maintained in a uniform state without deformation, it is easy to insert the support shaft pin 20 and the support shaft pin 20 Coupling ring groove 24 of the) is tightly fitted to the coupling ring jaw 12 of the support shaft portion 11 to prevent the departure.
또한 지지축핀(20)하단의 축볼(26)이 지지축부(11)의 축받이(13)에 받쳐져서 원활하게 회전되는 수단으로 캐스터바퀴이동을 할수 있게 된다.In addition, the shaft ball 26 at the lower end of the support shaft pin 20 is supported by the bearing 13 of the support shaft portion 11 so that the caster wheel can be moved by a means that is smoothly rotated.
그리고 지지축핀(20)의 축볼(26)이 지지축부(11)의 축받이(13)에 안정된 상태로 받쳐지는 간단한 구성과 내구성이 좋게 되는 것으로 도 2는 축받이(13)의 중앙에 통기성구멍(14)이 형성된 것을 나타내고 도3은 축받이(13)의 하부측부에 통기성구멍(14)이 형성되어 있다.In addition, the shaft ball 26 of the support shaft pin 20 is supported by the bearing 13 of the support shaft portion 11 in a stable state, and the configuration is simple and good durability. FIG. 2 is a breathable hole 14 in the center of the bearing 13. ) Is formed, and FIG. 3 shows a vent hole 14 formed in the lower side of the bearing 13.
이상에서 본 고안은 상기 실시예를 참고하여 설명하였지만 본 고안의 기술사상범위내에서 다양한 변형실시가 가능함은 물론이다.Although the present invention has been described with reference to the above embodiment, various modifications are possible within the technical scope of the present invention.
이와같이 본 고안의 합성수지제로 사출성형되는 의자용 캐스터의 고정구조는 지지축부에 끼워지는 의자다리 지지축핀의 삽입이 용이하고 지지축핀의 결합환홈이 지지축부의 결합환턱에 긴밀히 끼워져서 이탈방지됨과 아울러 지지축핀의 하단부 축볼이 지지축부의 축받이에 받쳐져서 원활한 회전이 이루어지는 등 구조가 간단하면서 캐스터의 바퀴이동방향을 안정되게 할수있는 이점이 있다.As described above, the fixed structure of the caster for injection molding of the synthetic resin of the present invention facilitates the insertion of the chair leg support shaft pin to be inserted into the support shaft portion, and the coupling ring groove of the support shaft pin is tightly fitted to the coupling ring jaw of the support shaft portion to prevent separation and support. The lower axis shaft ball of the shaft pin is supported by the bearing of the support shaft portion, such as smooth rotation, there is an advantage that can be stable while the wheel movement direction of the caster.
도 1은 본 고안의 캐스터 전면도1 is a front view of the caster of the present invention
도 2는 본 고안의 캐스터 단면도2 is a cross-sectional view of the caster of the present invention
도 3은 본 고안의 또다른 실시예의 캐스터 단면도3 is a cross-sectional view of the caster of another embodiment of the present invention
도 4는 본 고안의 캐스터에 지지축핀이 결합될때의 단면도Figure 4 is a cross-sectional view when the support shaft pin is coupled to the caster of the present invention
도 5는 본 고안의 캐스터가 의자다리에 결합된 상태 예시도5 is an exemplary view of a caster of the present invention coupled to a chair leg
* 도면이 주요부분에 대한 부호의 설명* Explanation of symbols for the main parts of the drawing
10 : 캐스터 11 : 지지축부10: caster 11: support shaft
12 : 결합환턱 13 : 축받이12: coupled ring 13: bearing
14 : 구멍 15 : 바퀴14 hole 15 wheel
16 : 커버 17 : 축수부16 cover 17 bearing part
20 : 지지축핀 22 : 나사부20: support shaft pin 22: screw portion
24 : 결합환홈 26 : 축볼24: combined ring groove 26: shaft ball
30 : 의자다리 32 : 나사결합관30: chair leg 32: screw coupling tube
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20-2005-0011557U KR200390709Y1 (en) | 2005-04-26 | 2005-04-26 | Fixed construction of caster for chairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20-2005-0011557U KR200390709Y1 (en) | 2005-04-26 | 2005-04-26 | Fixed construction of caster for chairs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR200390709Y1 true KR200390709Y1 (en) | 2005-07-22 |
Family
ID=43691955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR20-2005-0011557U Expired - Fee Related KR200390709Y1 (en) | 2005-04-26 | 2005-04-26 | Fixed construction of caster for chairs |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR200390709Y1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101037763B1 (en) | 2007-01-11 | 2011-05-27 | 듀오백코리아 주식회사 | Chair casters |
| KR102178480B1 (en) | 2020-04-17 | 2020-11-13 | 유연순 | Chair caster with automatic locking and unlocking structure |
| KR102178475B1 (en) | 2020-04-17 | 2020-11-13 | 유연순 | Chair caster with self-locking function |
-
2005
- 2005-04-26 KR KR20-2005-0011557U patent/KR200390709Y1/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101037763B1 (en) | 2007-01-11 | 2011-05-27 | 듀오백코리아 주식회사 | Chair casters |
| KR102178480B1 (en) | 2020-04-17 | 2020-11-13 | 유연순 | Chair caster with automatic locking and unlocking structure |
| KR102178475B1 (en) | 2020-04-17 | 2020-11-13 | 유연순 | Chair caster with self-locking function |
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