KR100439746B1 - Bearing housing cap of rotary shaft - Google Patents

Bearing housing cap of rotary shaft Download PDF

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Publication number
KR100439746B1
KR100439746B1 KR10-2002-0018495A KR20020018495A KR100439746B1 KR 100439746 B1 KR100439746 B1 KR 100439746B1 KR 20020018495 A KR20020018495 A KR 20020018495A KR 100439746 B1 KR100439746 B1 KR 100439746B1
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KR
South Korea
Prior art keywords
bearing housing
cap
shaft
bearing
inner body
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KR10-2002-0018495A
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Korean (ko)
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KR20030079452A (en
Inventor
박일동
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박일동
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Priority to KR10-2002-0018495A priority Critical patent/KR100439746B1/en
Publication of KR20030079452A publication Critical patent/KR20030079452A/en
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Publication of KR100439746B1 publication Critical patent/KR100439746B1/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/067Fixing them in a housing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30Parts of ball or roller bearings
    • F16C33/58Raceways; Race rings
    • F16C33/581Raceways; Race rings integral with other parts, e.g. with housings or machine elements such as shafts or gear wheels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2240/00Specified values or numerical ranges of parameters; Relations between them
    • F16C2240/40Linear dimensions, e.g. length, radius, thickness, gap
    • F16C2240/46Gap sizes or clearances

Abstract

본 발명은 공작기계 및 작동기계 등의 산업용 기계기구에서 회전운동을 하는 샤프트를 지지 및 회전 작동하게하는 베어링 하우징에 장착하는 캡에 관한 것으로 더욱 상세하게는 회전축인 샤프트를 원활하게 회전 작동시키기 위하여 샤프트의 일측에 베어링이 내부에 삽입 설치된 베어링하우징을 장착시키는데 이 베어링하우징의 일측 또는 양측에 내측몸체에 외측몸체가 핀으로 결합되고 외측몸체에는 다수의 공기주입홀이 천공된 회전링을 결합시키고 내측몸체와 회전링의 선단을 결합링으로 체결된 캡을 설치하여 샤프트의 회전 작동시 베어링에 유입되어 접촉되는 이물질과 오일을 제거하여 베어링의 내마모성을 향상시켜 샤프트의 원활한 회전 작동과 베어링의 유지보수비용을 절감시킬 수 있게 한 것으로 내측몸체(1)에 핀(3)으로 외측몸체(2)를 결합시키고 외측몸체(2)와 내측몸체(1) 사이에는 다수의 공기주입홀 (4a)(4a')이 천공된 회전링(4)을 결합시키고 내측몸체(1)와 회전링(4)의 선단을 결합링(5)으로 체결된 캡(20)을 설치하고 캡(20)의 회전링(4)에 천공된 공기주입홀 (4a)(4a') 외측으로 베어링하우징(H)에 형성된 공기주입로(6)를 연결시켜 공기를 공급할 수 있게한 것을 특징으로 하는 회전용 샤프트의 베어링 하우징 캡.The present invention relates to a cap mounted on a bearing housing for supporting and rotating a shaft that rotates in an industrial machine tool such as a machine tool and an operating machine, and more particularly, a shaft for smoothly rotating a shaft that is a rotating shaft. The bearing housing is installed in one side of the bearing housing. The outer housing is coupled to the inner body by a pin on one side or both sides of the bearing housing, and the outer body couples the rotary ring with a plurality of air injection holes to the inner body. And the cap connected to the end of the rotating ring by the coupling ring to remove foreign substances and oils that enter the bearing during the rotational operation of the shaft to improve the wear resistance of the bearing, thereby improving the smooth rotational operation of the shaft and the maintenance cost of the bearing. The outer body (2) with the pin (3) to the inner body (1) to reduce the Engaging and engaging the rotary ring (4) perforated a plurality of air injection holes (4a) (4a ') between the outer body (2) and the inner body (1) of the inner body (1) and the rotating ring (4) The air formed in the bearing housing (H) outside the air injection holes (4a) (4a ') installed in the cap 20, the end of which is fastened to the coupling ring (5) and drilled in the rotary ring (4) of the cap (20). Bearing housing cap of the rotating shaft, characterized in that for supplying air by connecting the injection passage (6).

Description

회전용 샤프트의 베어링 하우징 캡{Bearing housing cap of rotary shaft}Bearing housing cap of rotary shaft

본 발명은 공작기계 및 작동기계 등의 산업용 기계기구에서 회전운동을 하는 샤프트를 지지 및 회전 작동하게하는 베어링 하우징에 장착하는 캡에 관한 것으로 더욱 상세하게는 회전축인 샤프트를 원활하게 회전 작동시키기 위하여 샤프트의 일측에 베어링이 내부에 삽입 설치된 베어링하우징을 장착시키는데 이 베어링하우징의 일측 또는 양측에 내측몸체에 외측몸체가 핀으로 결합되고 외측몸체에는 다수의 공기주입홀이 천공된 회전링을 결합시키고 내측몸체와 회전링의 선단을 결합링으로 체결된 캡을 설치하여 샤프트의 회전 작동시 베어링에 유입되어 접촉되는 이물질과 오일을 제거하여 베어링의 내마모성을 향상시켜 샤프트의 원활한 회전 작동과 베어링의 유지보수비용을 절감시킬 수 있게 한 것이다.The present invention relates to a cap mounted on a bearing housing for supporting and rotating a shaft that rotates in an industrial machine tool such as a machine tool and an operating machine, and more particularly, a shaft for smoothly rotating a shaft that is a rotating shaft. The bearing housing is inserted into one side of the bearing housing. The outer housing is coupled to the inner body by a pin on one side or both sides of the bearing housing, and the outer body couples the rotary ring with a plurality of air injection holes to the inner body. And the cap connected to the end of the rotating ring by the coupling ring to remove foreign substances and oils that enter the bearing during the rotational operation of the shaft to improve the wear resistance of the bearing, thereby improving the smooth rotational operation of the shaft and the maintenance cost of the bearing. It is to be saved.

일반적으로 회전체인 산업용 기계기구의 샤프트는 일측에 샤프트의 회전 작동을 원활하게 하기 위하여 베어링이 삽입된 베어링하우징을 설치하며 그 베어링하우징의 선단에는 캡을 장착하여 내부에 설치된 베어링에 이물질과 오일이 유입되지 않게 하고 있다.In general, a shaft of an industrial machine mechanism, which is a rotating body, installs a bearing housing with a bearing inserted on one side thereof to facilitate the rotation operation of the shaft. It does not flow in.

종래의 샤프트에 설치되는 베어링하우징의 캡은 도 3 에 도시된 바와 같이 샤프트(S)의 일측에 베어링(10)(10')이 삽입된 베어링하우징(H)을 설치하고 그 선단에 다단의 홈이 가공된 캡(20)을 체결하여 샤프트(S)의 회전작동시베어링하우징(H)의 베어링(10)(10')에 의하여 마찰력을 최소화하면서 원활한 회전작동을 수행할 수 있게 하였다.As shown in FIG. 3, a cap of a bearing housing installed in a conventional shaft has a bearing housing H in which bearings 10 and 10 'are inserted at one side of the shaft S, and a multi-stage groove is provided at the tip thereof. When the cap 20 is fastened by the bearing 10 during the rotation operation of the shaft (S) (10, 10 ') to minimize the friction force to perform a smooth rotation operation.

상기와 같은 종래의 베어링하우징(H)의 캡(20)은 다단으로 홈이 가공된 상태로 체결되어 있지만 베어링하우징(H)과 캡(20)의 틈새로 작업장 내의 분진 및 미세한 먼지와 샤프트(S) 및 주변기기에서 발생되는 각종 오일들이 유입되어 샤프트(S)의 회전 작동시 베어링(10)(10')에서 발생되는 열로 인해 이물질과 오일이 눌러 붙어서 베어링(10)(10')의 마모손상이 심하고 이로인한 베어링(10)(10')의 교체로 작업시간이 지연될 뿐만 아니라 유지보수비용이 증대되는 문제점이 있었다.The cap 20 of the conventional bearing housing (H) as described above is fastened in a state where the groove is processed in multiple stages, but the dust and fine dust and the shaft (S) in the workplace due to the gap between the bearing housing (H) and the cap (20). ) And various oils generated from the peripheral device are introduced, and foreign matter and oil are pressed together due to heat generated from the bearings 10 and 10 'during rotation operation of the shaft S, thereby causing wear damage of the bearings 10 and 10'. Due to the severe replacement of the bearings 10 and 10 ', the working time was delayed as well as the maintenance cost was increased.

따라서 본 발명은 상기한 종래의 문제점을 해결하기 위한 목적으로 창출된 것으로 베어링하우징의 내부에 삽입된 베어링으로 유입되는 이물질과 오일의 외부로 배출시켜 내마모성을 증대시키고 샤프트의 회전 작동시 베어링에서 발생되는 열을 저하시켜 베어링의 교체에 따른 유지보수비용을 절감시킬 수 있는 베어링하우징의 캡을 제공하기 위한 것이다.Therefore, the present invention was created for the purpose of solving the above-mentioned conventional problems and discharged to the outside of the oil and foreign substances flowing into the bearing inserted into the bearing housing to increase the wear resistance and is generated in the bearing during the rotation operation of the shaft The purpose of the present invention is to provide a cap of a bearing housing that can reduce heat and reduce maintenance costs associated with bearing replacement.

상기한 베어링하우징의 캡을 제공하기 위하여 회전 작동하는 샤프트의 일측에 장착되는 베어링이 내부에 삽입 설치된 베어링하우징의 선단 일측에 내측몸체에 외측몸체가 핀으로 결합되고 외측몸체와 내측몸체 사이에는 다수의 공기주입홀이 천공된 회전링을 결합시키고 내측몸체와 회전링의 선단을 결합링으로 체결된 캡을설치하고 캡의 회전링에 천공된 공기주입홀 외측으로 베어링하우징에 형성된 공기 주입로를 연결시켜 공기를 공급할 수 있게하여 샤프트의 회전작동시 베어링에 유입되어 접촉되는 이물질과 오일을 공기로 배출시켜 베어링의 내마모성을 향상시키고 베어링에서 발생되는 열의 온도를 저하시켜 회전축인 샤프트를 원활하게 회전 작동시킬 수 있게 한 베어링하우징의 캡을 제공할 수 있는 것이다.In order to provide a cap of the bearing housing, a bearing mounted on one side of the rotating shaft is inserted into the inner body at a tip side of the bearing housing, and an outer body is pinned to the inner body, and a plurality of shafts are disposed between the outer body and the inner body. Coupling the rotary ring with the air injection hole is installed, and the cap of the inner body and the front end of the rotary ring is installed by the coupling ring, and connects the air injection path formed in the bearing housing to the outside of the air injection hole perforated to the rotary ring of the cap. By supplying air, it is possible to smoothly operate the shaft, which is the axis of rotation, by improving the wear resistance of the bearing by discharging foreign substances and oil that enters the bearing during the rotational operation of the shaft to the air and reducing the temperature of heat generated from the bearing. To provide a cap for the bearing housing.

도 1 은 본 발명이 장착된 상태를 도시한 단면구조도1 is a cross-sectional structural view showing a state in which the present invention is mounted

도 2 는 본 발명의 확대단면 구조도Figure 2 is an enlarged cross-sectional structure of the present invention

도 3 은 종래 베어링하우징 캡의 결합상태 단면구조도3 is a cross-sectional structural view of the coupling state of the conventional bearing housing cap

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

(1) 내측몸체 (2) 외측몸체(1) Inner Body (2) Outer Body

(3) 핀 (4)회전링(3) Pin (4) Rotary ring

(4a)(4a') 공기주입홀 (5)결합링(4a) (4a ') Air injection hole (5) Coupling ring

(6) 공기주입로 (10)(10') 베어링(6) Air injection path (10) (10 ') Bearing

(20) 캡 (S) 샤프트20 caps (S) shaft

(H) 베어링하우징(H) bearing housing

이하 발명의 요지를 첨부된 도면에 연계시켜 그 구성과 작용을 상세히 설명하면 다음과 같다.Hereinafter, the configuration and operation of the present invention will be described in detail with reference to the accompanying drawings.

도 1 은 본 발명이 장착된 상태를 도시한 단면구조도로서 샤프트의 일측 베어링하우징의 선단에 장착된 구조를 도시한 것이고,도 2 는 본 발명의 확대단면 구조도로서 캡의 각 구성품의 결합상태를 도시한 것이다.1 is a cross-sectional structural view showing a state in which the present invention is mounted, showing a structure mounted at the tip of one side bearing housing of the shaft, Figure 2 is an enlarged cross-sectional structural view of the present invention showing the coupling state of each component of the cap It is.

회전 작동하는 샤프트(S)의 일측에 장착되는 다수의 베어링(10)(10')이 내부에 삽입 설치된 베어링하우징(H)에 장착되는 캡(20)에 있어서,In the cap 20 is mounted to the bearing housing (H) is inserted into the plurality of bearings 10, 10 'mounted on one side of the shaft (S) that rotates,

내측몸체(1)에 핀(3)으로 외측몸체(2)를 결합시키고 외측몸체(2)와 내측몸체(1) 사이에는 다수의 공기주입홀(4a)(4a')이 천공된 회전링(4)을 결합시키고 내측몸체(1)와 회전링(4)의 선단을 결합링(5)으로 체결된 캡(20)을 설치하고 캡(20)의 회전링(4)에 천공된 공기주입홀(4a)(4a') 외측으로 베어링하우징(H)에 형성된 공기주입로(6)를 연결시켜 공기를 공급할 수 있게한 구조이다.The outer ring (2) is coupled to the inner body (1) with a pin (3), and a plurality of air injection holes (4a) (4a ') between the outer body (2) and the inner body (1) 4) The air inlet hole drilled in the rotating ring 4 of the cap 20 is installed by installing a cap 20 coupled to the inner body 1 and the end of the rotary ring 4 by a coupling ring 5. (4a) (4a ') is connected to the air injection path (6) formed in the bearing housing (H) to the outside to supply air.

상기한 외측몸체(2)와 내측몸체(1) 사이에 결합되는 회전링(4)은 약 0.2mm의 유격을 형성된다.The rotary ring 4 coupled between the outer body 2 and the inner body 1 forms a clearance of about 0.2 mm.

도면중 미설명 부호 (7)(7')(7")는 캡(20)의 내부 오링이고,(8)(8')는 캡(20)의 외부 오링이다.Reference numerals 7, 7 ′, 7 ″ in the figure refer to the inner o-rings of the cap 20, and 8, 8 ′ are the outer o-rings of the cap 20.

이와같이된 본 발명은 공작기계 및 작동기계 등의 산업용 기계기구에서 회전운동을 하는 샤프트(S)를 지지 및 회전 작동케 하는 베어링 하우징(H)에 장착하는 캡(20)을 효과적으로 장착시켜 샤프트(S)의 회전운동을 원활하게 하고 베어링하우징(H)의 내부에 삽입 설치된 베어링(10)(10')을 내마모성을 향상시키고 회전운동으로 발생되는 열을 저하시켜 베어링(10)(10')의 사용수명을 연장시켜 유지보수비용을 절감케한 것으로 샤프트(S)의 일측에 설치되는 베어링하우징(H)의 선단에 본 발명의 캡(20)을 체결시켜서 해결하는 것으로 그 구조와 작용은 다음과 같다.The present invention as described above effectively mounts the cap (20) mounted on the bearing housing (H) for supporting and rotating the shaft (S) for rotational movement in industrial machinery such as machine tools and operating machines shaft (S) The use of the bearings 10, 10 'by smoothing the rotational movement of the bearing) and improving the wear resistance of the bearings 10 and 10' installed in the bearing housing H and lowering the heat generated by the rotational movement. It is solved by tightening the cap 20 of the present invention to the end of the bearing housing (H) installed on one side of the shaft (S) to reduce the maintenance cost by extending the life is as follows. .

상기한 캡(20)의 구조는 내측몸체(1)에서 외측몸체(2)를 핀(3)으로 삽입 결합시키고 내측몸체(1)와 외측몸체(2)의 외부 사이에는 다수의 공기주입홀(4a)(4a')이 천공된 회전링(4)을 결합시킨다.The cap 20 has a structure in which the outer body 2 is inserted into the pin 3 in the inner body 1, and a plurality of air injection holes are formed between the inner body 1 and the outside of the outer body 2. 4a) (4a ') joins the perforated rotary ring 4.

이때 결합된 회전링(4)은 내,외측몸체(1)(2)의 걸림턱 사이에서 약 0.2mm의 유격이 발생되게 결합된다.At this time, the combined rotary ring 4 is coupled to generate a clearance of about 0.2 mm between the locking jaws of the inner and outer bodies 1 and 2.

상기와 같이 결합된 내측몸체(1)와 회전링(4)의 선단에는 홈이 형성된 결합링(5)을 체결시켜서 캡(20)을 구성한다.The cap 20 is formed by fastening the coupling ring 5 in which the groove is formed at the front end of the inner body 1 and the rotary ring 4 coupled as described above.

상기한 캡(20)은 샤프트(S)에 설치된 베어링하우징(H)의 선단 베어링(10)옆에 결합되고 이때 베어링하우징(H)의 내측에 천공된 공기주입로(6)는 회전링(4)의 천공된 공기주입홀(4a)(4a')의 외부와 연결되며 캡(20)의 내부몸체(1)의 내측 홈에는 각각의 오링(7)(7')(7")이 삽입되고 회전링(4)의 외부 홈에는 각각의 오링(8)(8')이 삽입되어 샤프트(S)와 결합되는 것이다.The cap 20 is coupled to the front end bearing 10 of the bearing housing (H) installed in the shaft (S), and the air injection path (6) drilled inside the bearing housing (H) is a rotary ring (4) Is connected to the outside of the perforated air injection holes 4a and 4a ', and each of the O-rings 7, 7', 7 "is inserted into the inner groove of the inner body 1 of the cap 20. Each of the O-rings 8 and 8 'is inserted into the outer groove of the rotary ring 4 to be coupled to the shaft S.

상기의 본 발명은 샤프트(S)가 회전 작동을 하고 베어링하우징(H)의 내부에 삽입된 베어링(10)(10')은 샤프트(S)와 베어링하우징(H) 사이에서 샤프트(S)의 회전 작동을 원활하게 수행하고 베어링하우징(H)의 선단에 결합된 캡(20)의 내부몸체(1)와 외부몸체(2)는 베어링하우징(H)과 함께 고정,지지하고 회전링(4)과 결합링(5)은 내,외부몸체(1)(2) 걸림턱 사이에 약 0.2mm의 유격이 있어 샤프트(S)의 회전시 샤프트(S)와 함께 회전 작동한다.According to the present invention, the shaft S rotates and the bearings 10 and 10 'inserted into the bearing housing H are disposed between the shaft S and the bearing housing H. The inner body (1) and the outer body (2) of the cap (20) coupled to the distal end of the bearing housing (H) to perform the rotation operation smoothly, is fixed and supported together with the bearing housing (H) and the rotary ring (4) And the coupling ring 5 has a clearance of about 0.2mm between the inner and outer body (1) (2) engaging jaw rotates with the shaft (S) when the shaft (S) rotates.

상기 작동시 베어링하우징(H)의 외부에서 공기주입로(6)로 공기를 주입하면 공기는 공기주입로(6)에서 회전하는 회전링(4)에 다수 천공된 공기주입홀(4a)(4a')로 공기가 주입되어 내부몸체(1)와 접하는 외부몸체(2),회전링(4),결합링(5)의 내부의 틈새를 따라 캡(20)의 전후방향으로 공기를 배출시킨다.When the air is injected into the air inlet 6 from the outside of the bearing housing (H) during the operation, the air is a plurality of air injection holes (4a) (4a) perforated in the rotary ring (4) that rotates in the air inlet (6) Air is injected into ') to discharge the air in the front and rear directions of the cap 20 along the gap between the outer body 2, the rotary ring 4 and the coupling ring 5 in contact with the inner body (1).

이때 배출되는 공기는 베어링하우징(H)의 베어링(10)(10')쪽으로 배출되어 베어링(10)(10')에 접촉되는 이물질 및 오일 등을 베어링(10)(10')으로부터 탈리시키고 베어링(10)(10')에서 발생되는 열의 온도를 저하시킬 수 있는 것이다.At this time, the discharged air is discharged toward the bearings 10 and 10 'of the bearing housing H to desorb foreign substances and oil, which are in contact with the bearings 10 and 10', from the bearings 10 and 10 '. The temperature of heat generated by (10) (10 ') can be reduced.

상기의 본 발명 캡(20)은 베어링하우징(H)의 일측에 설치하거나 양측에 설치할 수도 있는 것이다.The cap 20 of the present invention may be installed on one side or both sides of the bearing housing (H).

본 발명은 상술한 특정의 바람직한 실시예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형실시가 가능한 것은 물론이고, 그와 같은 변경은 청구범위 기재의 범위 내에 있게 된다.The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

그러므로 본 발명은 종래와 같이 캡의 틈새를 따라 이물질과 오일등이 유입되어 베어링의 마모를 증대시켜 베어링의 사용수명을 단축시키던 것을 캡의 내측으로 공기를 주입시켜 유입되는 불순물을 베어링으로부터 탈리시켜 배출시키므로 베어링의 내마모성을 증대시키고 또한 주입되는 공기로 인한 발생열의 온도를 저하시켜서 연속작동에 의한 기계적인 고장을 최소화할 수 있게하여 유지보수비용을 절감시킬 수 있는 효과가 있는 것이다.Therefore, according to the present invention, foreign substances and oil are introduced along the gap of the cap, which increases the wear of the bearing and shortens the service life of the bearing. Therefore, it is possible to reduce the maintenance cost by increasing the wear resistance of the bearing and lowering the temperature of generated heat due to the injected air, thereby minimizing mechanical failure due to continuous operation.

Claims (2)

회전 작동하는 샤프트(S)의 일측에 장착되는 다수의 베어링(10)(10')이 내부에 삽입 설치된 베어링하우징(H)에 장착되는 캡(20)에 있어서,In the cap 20 is mounted to the bearing housing (H) is inserted into the plurality of bearings 10, 10 'mounted on one side of the shaft (S) that rotates, 내측몸체(1)에 핀(3)으로 외측몸체(2)를 결합시키고 외측몸체(2)와 내측몸체(1) 사이에는 다수의 공기주입홀(4a)(4a')이 천공된 회전링(4)을 결합시키고 내측몸체(1)와 회전링(4)의 선단을 결합링(5)으로 체결된 캡(20)을 설치하고 캡(20)의 회전링(4)에 천공된 공기주입홀(4a)(4a') 외측으로 베어링하우징(H)에 형성된 공기주입로(6)를 연결시켜 공기를 공급할 수 있게한 것을 특징으로 하는 회전용 샤프트의 베어링 하우징 캡.The outer ring (2) is coupled to the inner body (1) with a pin (3), and a plurality of air injection holes (4a) (4a ') between the outer body (2) and the inner body (1) 4) The air inlet hole drilled in the rotating ring 4 of the cap 20 is installed by installing a cap 20 coupled to the inner body 1 and the end of the rotary ring 4 by a coupling ring 5. (4a) (4a ') Bearing housing cap of the rotating shaft, characterized in that the air supply path (6) formed in the bearing housing (H) to the outside to supply air. 제 1 항에 있어서,The method of claim 1, 외측몸체(2)와 내측몸체(1) 사이에 결합되는 회전링(4)은 약 0.2mm의 유격을 형성되는 것을 특징으로 하는 회전용 샤프트의 베어링 하우징 캡.Rotating ring (4) coupled between the outer body (2) and the inner body (1) is a bearing housing cap of the rotating shaft, characterized in that forming a clearance of about 0.2mm.
KR10-2002-0018495A 2002-04-04 2002-04-04 Bearing housing cap of rotary shaft KR100439746B1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4743034A (en) * 1987-03-27 1988-05-10 Durametallic Corporation Labyrinth bearing protector seal
US5228700A (en) * 1989-09-11 1993-07-20 Skf Gmbh Contactless seal
JPH09177802A (en) * 1995-12-25 1997-07-11 Tokuo Okabayashi Sealing device and sealing method for rotary machine
US6062568A (en) * 1997-07-10 2000-05-16 Orlowski; David C. Bearing isolator with air purge

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4743034A (en) * 1987-03-27 1988-05-10 Durametallic Corporation Labyrinth bearing protector seal
US5228700A (en) * 1989-09-11 1993-07-20 Skf Gmbh Contactless seal
JPH09177802A (en) * 1995-12-25 1997-07-11 Tokuo Okabayashi Sealing device and sealing method for rotary machine
US6062568A (en) * 1997-07-10 2000-05-16 Orlowski; David C. Bearing isolator with air purge

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