KR100788911B1 - Packing - Google Patents

Packing Download PDF

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Publication number
KR100788911B1
KR100788911B1 KR1020060081570A KR20060081570A KR100788911B1 KR 100788911 B1 KR100788911 B1 KR 100788911B1 KR 1020060081570 A KR1020060081570 A KR 1020060081570A KR 20060081570 A KR20060081570 A KR 20060081570A KR 100788911 B1 KR100788911 B1 KR 100788911B1
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KR
South Korea
Prior art keywords
packing
ring
inner ring
outer ring
groove
Prior art date
Application number
KR1020060081570A
Other languages
Korean (ko)
Inventor
노희문
김해우
Original Assignee
주식회사 신진화학
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Priority to KR1020060081570A priority Critical patent/KR100788911B1/en
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Publication of KR100788911B1 publication Critical patent/KR100788911B1/en

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    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/38—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member sealed by a packing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/04—Tank inlets
    • B60K15/05—Inlet covers
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/3496—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member use of special materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S277/00—Seal for a joint or juncture
    • Y10S277/935—Seal made of a particular material

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Gasket Seals (AREA)

Abstract

A packing ring is provided to be endowed with flexibility by integrally forming an outer ring having a resiliency with an inner ring that is hard. A packing ring includes an outer ring(20) and an inner ring(30). The outer ring has a ring shape. An insertion recess is formed on the inner side of the outer ring. The insertion groove is opened inward. The inner ring is ring-shaped so as to be inserted into the insertion groove of the outer ring. A cut-away portion formed by cutting a portion of the inner ring is formed in the inner ring. A reinforcing portion filling the cut-away portion of the inner ring is formed in the outer ring. A recess is formed outside the reinforcing portion so that a fluid can be easily drained downward. The inner ring is provided with a catching piece.

Description

패킹{packing}Packing

도 1 은 종래의 패킹을 보인 사시도.1 is a perspective view showing a conventional packing.

도 2 는 종래의 패킹이 차량의 주유구 도어에 체결된 상태를 보인 단면도.2 is a cross-sectional view showing a state in which a conventional packing is fastened to a gas inlet door of a vehicle.

도 3 은 본 발명에 따른 패킹을 보인 사시도.Figure 3 is a perspective view of the packing according to the present invention.

도 4 는 본 발명에 따른 패킹을 보인 단면도.4 is a cross-sectional view showing a packing according to the present invention.

도 5 는 본 발명은 패킹이 차량의 주유구 도어에 체결된 상태의 사시도.5 is a perspective view of a state in which a packing is fastened to a gas inlet door of a vehicle.

도 6 은 본 발명은 패킹이 차량의 주유구 도어에 체결된 상태의 요부확대 단면도.Figure 6 is an enlarged cross-sectional view of the main portion of the present invention, the packing is fastened to the filling port door of the vehicle.

[도면의 주요부분에 대한 부호의 설명][Explanation of symbols on the main parts of the drawings]

10 : 패킹 20 : 외측링10: packing 20: outer ring

22 : 삽입홈 24 : 보강부22: insertion groove 24: reinforcement

26 : 요홈 30 : 내측링26: groove 30: inner ring

32 : 절개부 34 : 걸림돌기32: incision 34: jamming projection

본 발명은 도어 등에 적용하여 기밀을 유지하는 패킹에 관한 것으로, 보다 상세하게는 링형상으로 형성되어 탄성을 가지는 외부링과 일부가 절개된 경질의 내부링을 일체로 구성하여 패킹에 신축성을 부여함으로써 기밀을 요하는 부분에 삽입이 용이한 패킹에 관한 것이다.The present invention relates to a packing that is applied to a door or the like to maintain airtightness, and more particularly, by forming a ring-shaped outer ring having elasticity and a part of a hard inner ring in which part is cut off, thereby providing elasticity to the packing. The present invention relates to a packing that can be easily inserted into a part requiring airtightness.

일반적으로, 차량의 주유구 도어에는 도어가 닫혀 있을 때 외부로부터 이물질 또는 빗물 등이 주유구로 침투하여 주유구가 오염되는 것을 방지 위하여 주유구의 도어에 체결되어 차량의 차체에 밀착되도록 하여 주유구를 밀폐시키는 패킹이 구비된다.In general, a packing that seals the gas inlet to the gas inlet of the vehicle to be in close contact with the vehicle body of the gas inlet in order to prevent foreign matter or rainwater from penetrating into the gas inlet when the door is closed, to contaminate the gas inlet. It is provided.

그러나, 종래의 주유구 도어에 체결되는 패킹은 도 1에서와 같이 내측으로 안착부(5)가 형성된 고탄성을 가지는 외측링(4)이 구비되고, 상기 외측링(4)의 안착부(5)에 일부가 안착되어 접착 성형이나 접착제 등에 의해 접착고정되는 경질의 내측링(6)이 구비되며, 상기 내측링(6)의 내측면에는 다수개의 체결구(7)가 형성된 패킹(3)이 구비된다.However, the packing fastened to the conventional oil inlet door is provided with an outer ring 4 having a high elasticity in which a seating portion 5 is formed inward, as shown in FIG. 1, and the seating portion 5 of the outer ring 4. A hard inner ring 6 which is partially seated and adhered and fixed by adhesive molding or an adhesive is provided, and an inner surface of the inner ring 6 is provided with a packing 3 having a plurality of fasteners 7 formed therein. .

이와 같이 구성된 종래의 패킹(3)을 주유구 도어(1)에 체결하기 위해서는 우선 작업자는 패킹(4)을 양손 또는 공구 등을 이용하여 파지한 상태에서 패킹(3)의 일부분을 먼저 주유구 도어(1)에 형성된 체결홈(2)에 끼우고, 패킹(3)의 다른 쪽을 비틀어서 순차적으로 돌아가면서 도어(1)의 체결홈(2)에 끼워 패킹(3)을 주유구 도 어(1)의 체결홈(2)에 안착 되게 체결하였다.In order to fasten the conventional packing 3 configured as described above to the oil inlet door 1, first, the worker first holds a portion of the packing 3 in a state in which the packing 4 is gripped by using both hands or a tool. ) Into the fastening groove (2) formed in the crankshaft (2), twisting the other side of the packing (3), and turning it into the fastening groove (2) of the door (1). Fastened to be seated in the fastening groove (2).

그러나, 종래의 패킹(3)은 탄력성이 떨어져 패킹(3)을 비틀면서 주유구 도어(1)의 체결홈(2)에 끼울 때 많은 힘과 시간이 요구되어 작업의 효율성이 떨어지는 문제점이 있었다.However, the conventional packing (3) has a problem in that the elasticity is inferior, and a lot of force and time is required when the packing (3) is screwed into the fastening groove (2) of the filling port door (1), thereby reducing work efficiency.

또한, 패킹(3)을 비틀면서 주유구 도어(1)의 체결홈(2)에 끼우게 되므로, 패킹(3)을 비틀 때 비틀림에 의한 힘에 의해 패킹(3)이 파손되는 문제점이 있었다.In addition, since the packing 3 is twisted into the fastening groove 2 of the oil inlet door 1, there is a problem that the packing 3 is damaged by the force caused by the twisting when the packing 3 is twisted.

한편, 패킹(3)을 구성하는 외측링(4)과 내측링(6)을 접착시킬 때 성형에 의하거나 접착제 등을 이용하여 접착고정하므로, 외측링(4)과 내측링(6)이 접촉되는 면적이 작아 결합력이 적고, 여름철과 같이 무더운 날씨에 접착제가 녹아 외측링(4)으로부터 내측링(6)의 접착부가 분리되어 패킹(3)의 본래 기능을 수행하지 못하게 되는 문제점이 있었다.On the other hand, when the outer ring (4) and the inner ring (6) constituting the packing (3) is bonded by fixing or by using an adhesive or the like, the outer ring (4) and the inner ring (6) contact There is a problem that the area is small, the bonding force is small, the adhesive melts in hot weather such as summer to separate the adhesive portion of the inner ring (6) from the outer ring (4) it can not perform the original function of the packing (3).

또한, 패킹의 접착으로 인한 작업 공정이 복잡하고 패킹(3)의 생산 라인에 있어 내측링(6)을 외측링(4)에 접합고정시키는 별도의 작업 공정 라인이 필요하게 되는 문제점이 있었다. In addition, there is a problem that the work process due to the adhesion of the packing is complicated and a separate work process line for joining and fixing the inner ring 6 to the outer ring 4 is required in the production line of the packing 3.

본 발명은 상기와 같은 문제점을 해결하기 위하여 안출된 것으로, 패킹을 구성하는 외측링에 안착홈이 형성되게 하고, 이 안착홈에 일부가 절개된 내측링을 외측링에 결합함으로써 패킹을 파지한 상태에서 양측 외측방향으로 힘을 가하게 되면 큰 힘을 들이지 않고도 패킹을 양측으로 벌려지도록 할 수 있어 주유구 도어에 용 이하게 체결할 수 있도록 하는데 그 목적이 있다.The present invention has been made in order to solve the above problems, the seating groove is formed in the outer ring constituting the packing, the state of holding the packing by coupling the inner ring part cut in the seating groove to the outer ring When the force is applied to both sides in the outer side, the packing can be opened to both sides without a large force, so that the purpose can be easily fastened to the filling port door.

또한, 외측링의 소정 위치에 요홈을 형성하고, 이 요홈은 하부 방향에 위치되도록 하여 외부로부터 주유구로 침투하는 유체 등이 원활하게 하부 요홈으로 배수되도록 하는데 그 목적이 있다. In addition, the groove is formed in a predetermined position of the outer ring, the groove is positioned in the lower direction so that the fluid, such as penetrating from the outside to the filling port is smoothly drained to the lower groove.

상기한 목적을 달성하기 위한 본 발명은 링 형상으로 형성되어 내측에 삽입홈이 내부를 향하도록 개방되게 형성된 외측링과, 상기 외측링의 삽입홈에 끼워져 결합되도록 링 형상으로 형성되고, 일부가 절개된 절개부가 형성된 내측링으로 구성된 것을 특징으로 한다.The present invention for achieving the above object is formed in a ring shape is formed in a ring shape to be fitted into the outer ring and the insertion groove of the outer ring is formed so that the insertion groove is opened inward to the inside, a portion is cut Characterized in that it consists of an inner ring formed cut portion.

한편, 일주가 절개된 링 형상의 내측링과, 상기 내측링의 외부에 사출성형에 의해 내측링과 일체로 결합되는 외측링으로 구성된 것을 특징으로 한다.On the other hand, it is characterized by consisting of a ring-shaped inner ring cut round, and an outer ring integrally coupled to the inner ring by injection molding to the outside of the inner ring.

그리고, 상기 내측링에 형성된 절개부는 하부 방향에 위치되도록 한 것을 특징으로 한다.And, the cutout formed in the inner ring is characterized in that it is located in the lower direction.

또한, 상기 외측링에는 상기 내측링의 절개부를 채워주는 보강부가 형성되고 상기 보강부의 외측 방향으로는 유체가 하부로 잘 배수되도록 하는 요홈이 형성된 것을 특징으로 한다.In addition, the outer ring is characterized in that the reinforcing portion is formed to fill the incision of the inner ring is formed in the outer direction of the reinforcing portion is formed with a groove to allow the fluid to drain well to the bottom.

그리고, 상기 내측링에 걸림돌기가 더 구비된 것을 특징으로 한다.And, it characterized in that the locking projection is further provided on the inner ring.

여기서, 상기 내측링에 형성된 걸림돌기는 상기 절개부의 양측에 형성된 것을 특징으로 한다. Here, the locking projection formed on the inner ring is characterized in that formed on both sides of the cutout.

또한, 상기 내측링은 경질의 합성수지이고 상기 외측링은 탄성을 가지는 고무재 또는 연질의 합성수지인 것을 특징으로 한다.In addition, the inner ring is a hard synthetic resin and the outer ring is characterized in that the rubber or soft synthetic resin having elasticity.

본 발명의 패킹은 기밀을 요하는 모든 곳에 사용 가능한 것으로, 하기에서는 본 발명의 패킹이 적용되는 차량용 주유구 도어를 일예로 하여 설명하기로 한다. The packing of the present invention can be used in all places where airtightness is required, and the following will be described with reference to an exemplary embodiment of a vehicle oil inlet door to which the packing of the present invention is applied.

이하, 본 발명에 따른 차량의 주유구 도어용 패킹의 바람직한 실시예를 첨부된 도면을 참조하여 상세히 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings a preferred embodiment of the packing for the service port door of the vehicle according to the present invention will be described in detail.

도 3 은 본 발명에 따른 차량의 주유구 도어용 패킹을 보인 사시도이고, 도 4 는 본 발명에 따른 차량의 주유구 도어용 패킹을 보인 단면도이다.Figure 3 is a perspective view showing the packing for the service port door of the vehicle according to the invention, Figure 4 is a cross-sectional view showing the packing for the service port door of the vehicle according to the present invention.

도 3 및 도 4에서와 같이 본 발명은 차량의 주유구 도어(1)에 형성된 체결홈(2)에 체결 고정되는 패킹에 있어서, 상기 패킹(10)은 링 형상으로 형성되어 내측에 삽입홈(22)이 내부 방향을 향하도록 개방되게 형성된 외측링(20)이 구비된다.3 and 4, the present invention, in the packing fastened and fixed to the fastening groove (2) formed in the gas inlet door (1) of the vehicle, the packing 10 is formed in a ring shape is inserted into the groove (22) ) Is provided with an outer ring 20 formed so as to open toward the inner direction.

그리고, 상기 외측링(20)에 형성된 삽입홈(22)에 일부가 결합고정되도록 링 형상으로 형성되고, 소정의 위치에 일부가 절개된 절개부(32)가 형성된 내측링(30)이 구비된다.In addition, the inner ring 30 is formed in a ring shape so that a part of the insertion groove 22 formed in the outer ring 20 is fixed and coupled, and a cutout portion 32 having a portion cut in a predetermined position is provided. .

여기서, 상기 내측링(30)에 형성된 절개부(32)는 하부 방향에 위치되도록 하는 것이 바람직하다.Here, it is preferable that the cutout portion 32 formed in the inner ring 30 is positioned in the lower direction.

나아가, 상기 내측링(30)에는 내부로 돌출되게 걸림돌기(34)를 형성하고, 상기 걸림돌기(34)는 상기 내측링(30)에 형성된 절개부(32)의 양측에 형성하는 것이 바람직하다.Furthermore, it is preferable that the inner ring 30 has a locking protrusion 34 formed to protrude inward, and the locking protrusion 34 is formed on both sides of the cutout 32 formed in the inner ring 30. .

또한, 상기 외측링(20)에는 상기 내측링(30)의 절개부(32)를 채워 보강해 주는 보강부(24)가 형성되고, 상기 보강부(24)의 외측 방향으로는 패킹(10)으로 침투하는 유체가 하부로 잘 배수되도록 안내 역할을 하는 요홈(26)이 형성된다.In addition, the outer ring 20 is formed with a reinforcing part 24 to fill and reinforce the cutout portion 32 of the inner ring 30, the packing 10 in the outward direction of the reinforcing part 24 Groove 26 is formed to guide the fluid penetrating into the lower portion is well drained.

상기와 같이 구성된 본 발명에 따른 패킹(10)은 상기 내측링(30)에 형성된 절개부(32) 타측부를 주유구 도어(1)에 형성된 체결홈(2)에 일부를 끼운 상태에서 상기 절개부(32)의 양측을 파지하여 패킹(10)의 원주 외측 방향으로 힘을 가하게 되면 외측링(20)과 내측링(30)은 절개부(32)를 기준으로 하여 양측으로 벌어지게 되어 패킹(10)의 지름이 커지게 되고, 이 상태에서 주유구 도어(1)의 체결홈(2)에 끼워지지 않은 팽키(10)의 나머지 부분을 주유구 도어(1) 방향으로 밀어주게 되면 큰 힘들이지 않고 주유구 도어(1)의 체결홈(2)에 패킹(10)이 끼워지게 된다.The packing 10 according to the present invention configured as described above is a part of the cutout 32 formed in the inner ring 30 and the cutout part in a state of fitting a part of the fastening groove 2 formed in the oil inlet door 1. When both sides of the 32 are gripped and a force is applied in the circumferential outer direction of the packing 10, the outer ring 20 and the inner ring 30 are opened to both sides with respect to the cutout 32 so that the packing 10 ) Diameter becomes large, and in this state, if the remaining part of the punk 10 not inserted into the fastening groove 2 of the oil inlet door 1 is pushed toward the oil inlet door 1, the oil inlet door is not too hard. The packing 10 is fitted into the fastening groove 2 of the (1).

이때, 주유구 도어(1)의 체결홈(2)에 패킹(10)이 끼워진 상태에서 파지한 패킹(10)을 놓게 되면 도 5 및 도 6과 같이 외측링(20)이 탄성력에 의해 수축되면서 내측링(30)은 주유구 도어(1)의 체결홈(2)에 견고하게 밀착되면서 패킹(10)은 도어(1)에 고정되게 된다.At this time, when the packing 10 is held in the state in which the packing 10 is fitted into the fastening groove 2 of the oil inlet door 1, the outer ring 20 is contracted by the elastic force as shown in FIGS. 5 and 6. The ring 30 is tightly attached to the fastening groove 2 of the oil inlet door 1, and the packing 10 is fixed to the door 1.

또한, 상기 내측링(30)에 형성된 걸림돌기(34)가 상기 주유구 도어(1)의 체결홈(2)에 걸리도록 끼워지므로 주유구 도어(1)에 체결된 패킹(10)이 주유구 도어로(1)부터 이탈되지 않고 고정시킨 상태를 더욱더 견고하게 유지하게 된다.In addition, since the locking protrusion 34 formed on the inner ring 30 is fitted to be caught by the fastening groove 2 of the oil inlet door 1, the packing 10 fastened to the oil inlet door 1 is turned into the oil inlet door ( Starting from 1), the fixed state is maintained even more firmly.

한편, 상기 패킹(10)을 주유구 도어(1)에 체결시에 요홈(26)이 하부 방향을 향하도록 하여 상기 패킹(10)에 의해 주유구 도어(1) 내부로 유체가 침투되는 것을 방지함과 동시에 주유구 도어(1)와 패킹(10)의 사이에 유체가 잔류하지 못하도록 요홈(26)을 통하여 하부로 배수되도록 안내역할을 하게 된다.Meanwhile, when the packing 10 is fastened to the oil inlet door 1, the recess 26 faces downward to prevent the fluid from penetrating into the oil inlet door 1 by the packing 10. At the same time, it serves as a guide to drain down through the grooves 26 so that no fluid remains between the filling port door 1 and the packing 10.

또한, 상기 외측링(20)에 요홈(26)을 형성하여 상기 요홈(26)이 형성된 부분이 다른 부분에 비해 비교적 폭이 가늘게 형성되어 상기 패킹(10)을 주유구 도어(1)에 체결시킬 때 외측링(20)에 힘을 가해 양측으로 큰 힘들이지 않고 쉽게 벌어지도록 하는 역할을 하게 된다.In addition, when the groove (26) is formed in the outer ring 20, the portion in which the groove (26) is formed is relatively thinner than other portions to fasten the packing (10) to the filling port door (1) Applying a force to the outer ring 20 serves to open easily without great force on both sides.

그리고, 종래에 외측링에 내측링을 고정시키는 수단이 접착제를 이용하는 접착고정함으로써 복잡한 공정을 통해 제작되는 반면에, 본 발명은 외측링(20)에 삽입홈(22)을 형성하고 내측링(30)이 체결되도록 하여 간단한 공정에 의해 패킹(10)을 제작할 수 있게 된다.And, while the conventional means for fixing the inner ring to the outer ring is manufactured through a complex process by adhesive bonding using an adhesive, the present invention forms the insertion groove 22 in the outer ring 20 and the inner ring 30 ) To be fastened so that the packing 10 can be manufactured by a simple process.

한편, 외측링(20)과 내측링(30)의 결합은 사출에 의해 성형할 수도 있는데, 먼저 내측링(30)을 제작한 후, 금형에 내측링(30)을 인서트하고, 외측링(20) 부는 사출에 의해 성형할 수도 있다,On the other hand, the combination of the outer ring 20 and the inner ring 30 may be molded by injection, but first after the inner ring 30 is manufactured, the inner ring 30 is inserted into the mold, and the outer ring 20 ) Part may be molded by injection,

이렇게 하면 외측링(20)과 내측링(30)의 결합이 보다 더 강하게 되고 작업공정 또한 단순화되어 제작비용을 절감할 수 있게 된다.This makes the coupling of the outer ring 20 and the inner ring 30 stronger and the work process can be simplified to reduce the manufacturing cost.

상기에서는 본 발명에 따른 패킹에 대한 바람직한 실시예에 대하여 설명하였지만, 본 발명은 이에 한정되는 것이 아니고, 특허청구범위와 발명의 상세한 설명 및 첨부한 도면의 범위 안에서 여러 가지로 변형하여 실시하는 것이 가능하고, 이 또한 본 발명의 권리범위에 속한다.In the above, a preferred embodiment of the packing according to the present invention has been described, but the present invention is not limited thereto, and various modifications can be made within the scope of the claims and the detailed description of the invention and the accompanying drawings. This also belongs to the scope of the present invention.

상기와 같이 구성된 본 발명은 종래와 같이 패킹을 외측링에 접착제를 이용하여 내측링을 고정시키는 복잡한 제조공정을 거치지 않고, 외측링과 내측링을 단순히 외측링의 삽입홈에 내측링을 결합고정하면 되므로 간단하게 패킹을 제작할 수 있는 효과가 있다.According to the present invention configured as described above, if the outer ring and the inner ring are simply fixed to the inner ring by inserting the outer ring into the outer ring without going through a complicated manufacturing process of fixing the inner ring by using an adhesive to the outer ring as the conventional packing Therefore, the packing can be produced simply.

또한, 패킹은 내측링에 절개부를 형성함으로써 패킹을 양측으로 벌어지도록 하여 지름을 크게 할 수 있어 주유구 도어에 체결시에 큰 힘들이지 않고 쉽게 체결할 수 있도록 한 효과가 있다.In addition, the packing can be increased by opening the packing to both sides by forming an incision in the inner ring has an effect that can be easily fastened without great effort when fastening to the filling port door.

그리고, 외측링의 하단부에 유체가 잘 하부로 배출될 수 있도록 요홈을 구비하여 외부의 유체가 주유구 도어의 틈으로 침투하는 유체가 주유구 내측으로 유입되는 것을 방지할 수 있는 효과가 있다.In addition, the lower end of the outer ring is provided with a recess so that the fluid can be well discharged to the lower portion, there is an effect that can prevent the fluid penetrating into the gap of the filling hole door into the filling hole inside.

또한, 내측링이 외측링의 삽입홈에 끼워지도록 하여 여름철 등 무더운 날씨에도 패킹의 형상이 변형되지 않고 완벽하게 패킹의 기능을 수행할 수 있게 되는 효과가 있다.In addition, the inner ring is fitted to the insertion groove of the outer ring has the effect that can be performed to the function of the packing perfectly without deformation of the packing even in hot weather such as summer.

Claims (7)

링 형상으로 형성되어 내측에 삽입홈이 내부를 향하도록 개방되게 형성된 외측링과,An outer ring which is formed in a ring shape and is formed to be opened so that the insertion groove is directed toward the inside thereof; 상기 외측링의 삽입홈에 끼워져 결합되도록 링 형상으로 형성되고, 일부가 절개된 절개부가 형성된 내측링으로 구성된 것을 특징으로 하는 패킹.The packing, characterized in that formed in a ring shape so as to be coupled to the insertion groove of the outer ring, consisting of an inner ring formed with a cut portion cut. 일부가 절개되어 절개부가 형성된 내측링과,An inner ring in which a portion is cut and a cutout is formed, 상기 내측링의 외부에 사출성형에 의해 내측링과 일체로 결합되는 외측링으로 구성된 것을 특징으로 하는 패킹.Packing, characterized in that consisting of an outer ring which is integrally coupled to the inner ring by injection molding to the outside of the inner ring. 삭제delete 제 1 항 또는 제 2 항에 있어서,The method according to claim 1 or 2, 상기 외측링에는 상기 내측링의 절개부를 채워주는 보강부가 형성되고 상기 보강부의 외측 방향으로는 유체가 하부로 잘 배수되도록 하는 요홈이 형성된 것을 특징으로 하는 패킹.The outer ring is a packing, characterized in that the reinforcing portion is formed to fill the incision of the inner ring and the groove is formed in the outer direction of the reinforcing portion so that the fluid is well drained downward. 제 4 항에 있어서,The method of claim 4, wherein 상기 내측링에 걸림돌기가 더 구비된 것을 특징으로 하는 패킹.Packing characterized in that the inner ring is further provided with a locking projection. 제 5 항에 있어서,The method of claim 5, 상기 내측링에 형성된 걸림돌기는 상기 절개부의 양측에 형성된 것을 특징으로 하는 패킹. The locking protrusion formed on the inner ring is characterized in that formed on both sides of the cutout. 제 1 항 또는 제 2 항에 있어서,The method according to claim 1 or 2, 상기 내측링은 경질의 합성수지이고 상기 외측링은 탄성을 가지는 고무재 또는 연질의 합성수지인 것을 특징으로 하는 패킹.The inner ring is a hard synthetic resin and the outer ring is characterized in that the elastic rubber or soft synthetic resin packing.
KR1020060081570A 2006-08-28 2006-08-28 Packing KR100788911B1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001032749A (en) 1999-05-18 2001-02-06 Toyota Motor Corp Piston ring arrangement structure of internal combustion engine
US6905124B2 (en) 2001-08-15 2005-06-14 Trostel Ltd. Unitized seal for a gas spring
KR200410888Y1 (en) 2005-12-06 2006-03-15 박정환 Piston packing sturcture for oil sealing in the cylinder
JP2006071025A (en) 2004-09-02 2006-03-16 Mitsubishi Cable Ind Ltd Sealing material

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001032749A (en) 1999-05-18 2001-02-06 Toyota Motor Corp Piston ring arrangement structure of internal combustion engine
US6905124B2 (en) 2001-08-15 2005-06-14 Trostel Ltd. Unitized seal for a gas spring
JP2006071025A (en) 2004-09-02 2006-03-16 Mitsubishi Cable Ind Ltd Sealing material
KR200410888Y1 (en) 2005-12-06 2006-03-15 박정환 Piston packing sturcture for oil sealing in the cylinder

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