KR20170003526U - Retainer for Ball Valve - Google Patents

Retainer for Ball Valve Download PDF

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Publication number
KR20170003526U
KR20170003526U KR2020160001822U KR20160001822U KR20170003526U KR 20170003526 U KR20170003526 U KR 20170003526U KR 2020160001822 U KR2020160001822 U KR 2020160001822U KR 20160001822 U KR20160001822 U KR 20160001822U KR 20170003526 U KR20170003526 U KR 20170003526U
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KR
South Korea
Prior art keywords
retainer
ball seat
fixed
hole
ball
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KR2020160001822U
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Korean (ko)
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김선용
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김선용
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Priority to KR2020160001822U priority Critical patent/KR20170003526U/en
Publication of KR20170003526U publication Critical patent/KR20170003526U/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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
    • F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • F16K5/0663—Packings
    • F16K5/0689—Packings between housing and plug
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/08—Details
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/08—Details
    • F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
    • F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
    • F16K5/201—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the housing or parts of the housing mechanically pressing the seal against the plug

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Taps Or Cocks (AREA)

Abstract

본 고안은 볼 밸브용 리테이너에 관한 것이다.
관형 몸체(8)의 가장자리로 돌출된 돌출단(8-1)에 나사(11)가 형성되고 내부는 유체가 관통하는 구멍(13)이 형성되며, 구멍(13)과 같은 직경의 구멍(10)이 형성된 볼 시트(9)가 돌출단(8-1)의 반대쪽 끝에 박혀서 고정되고 돌출단(8-1)의 볼 시트(9)를 향하는 방향의 수직면에 내열한계온도 450℃ 이상의 그라파이트 패킹(14)이 접착제로 고정되며 볼 시트(9)의 반대쪽에는 공구를 끼워서 돌리기 위한 구멍(12)들이 형성된 볼 밸브용 리테이너.
이러한 본 고안은 종래와 달리 1개의 몸체를 가지며 내열성과 밀폐성이 우수한 그라파이트 패킹을 적용함에 따라 고온에서도 누수현상이 차단되는 큰 효과가 있다.The present invention relates to a ball valve retainer.
A screw 11 is formed in a protruding end 8-1 protruding to the edge of the tubular body 8 and a hole 13 through which the fluid passes is formed inside and a hole 10 The ball seat 9 on which the ball seat 9 is formed is fixed and fixed to the opposite end of the protruding end 8-1 and a graphite packing 14) is fixed with an adhesive and opposite to the ball seat (9), there are formed holes (12) for turning and inserting a tool.
In the present invention, unlike the prior art, the graphite packing having one body and excellent heat resistance and airtightness is applied, and thus the leakage phenomenon is prevented even at a high temperature.

Figure P2020160001822
Figure P2020160001822

Description

볼 밸브용 리테이너{Retainer for Ball Valve}Retainer for Ball Valve

..

[고안이 속하는 기술 분야 및 그 분야의 종래기술][TECHNICAL FIELD OF THE INVENTION AND RELATED ART OF THE SAME]

본 고안은 볼 밸브용 리테이너에 관한 것이다.The present invention relates to a ball valve retainer.

종래의 볼 밸브용 리테이너는 도면 5와 같은데 이를 상세히 설명하면 다음과 같다. 먼저 보통의 볼 밸브(15)는 좌우에 플랜지(17)(18)가 구비된 몸체(16) 안에 볼(19)이 조립되고 볼(19)의 좌측에는 제 1 볼 시트(20)가 몸체(16) 내부에 고정되며, 우측의 구멍(H) 안에는 제 2 볼 시트(22)가 고정된 제 1 리테이너(21)가 삽입되고 이어서 제 2 리테이너(24)가 삽입되는데 제 2 리테이너(24)에는 나사(26)가 형성되어 있어서 구멍(H)에 형성된 나사구멍(18-1)에 나사조립이 된다. 그리고 제 1 리테이너(21)와 제 2 리테이너(24)가 구멍(H) 안에서 맞닿는 부분에 오링(23)이 삽입이 된다. 제 2 리테이너(24)에는 공구를 끼워서 돌릴 수 있는 구멍(25)이 형성되어 있다.A conventional ball valve retainer is as shown in Fig. 5 and will be described in detail as follows. A ball 19 is assembled into a body 16 provided with flanges 17 and 18 on the left and right sides of the ball valve 15 and a first ball seat 20 is attached to the body A first retainer 21 to which a second ball seat 22 is fixed is inserted into the hole H on the right side and then a second retainer 24 is inserted into the second retainer 24, A screw 26 is formed and screwed into the screw hole 18-1 formed in the hole H. The O-ring 23 is inserted into a portion where the first retainer 21 and the second retainer 24 abut each other in the hole H. The second retainer 24 is provided with a hole 25 through which a tool can be inserted and turned.

이와 같이 되는 종래의 리테이너는 먼저 2개로 이루어지기 때문에 누수현상에 취약하고 오링(23)은 통상 내열한계가 180℃ 이기 때문에 밸브에 더 이상의 고열이 가해지면 밀폐력이 급격하게 저하되어 누수현상이 더 심화될 수밖에 없는 문제를 안고 있다. 그리고 제작 단가도 비싸고 작업성도 불량한 단점도 있다.Since the conventional retainer having such a structure is initially made of two, it is susceptible to leakage of water, and since the O-ring 23 has a normal heat resistance limit of 180 DEG C, if the valve is subjected to a further high heat, the sealing force is suddenly decreased, There is a problem that can not be helped. The manufacturing cost is also high and the workability is also poor.

한편, 종래의 볼 밸브에서의 리테이너를 조사해보면 특허공개번호 특2001-0027659호는 볼의 좌우에 볼 시트와 리테이너를 조립하되 리테이너를 코일스프링이 눌러주도록 되어 있고 볼 시트와 리테이너 사이에는 패킹이 조립되어 있는데 구조가 복잡하여 제작 단가가 높고 작업성이 불량하며 유지보수 및 부품의 교체작업이 크게 불편하고 코일스프링의 압축력에 한계가 있어서 누수현상을 양호하게 차단시키기 어려운 등의 문제가 있다. 그리고 본 고안과는 구조가 완전히 상이하다.When the retainer of the conventional ball valve is inspected, Patent Publication No. 2001-0027659 discloses that a ball seat and a retainer are assembled on the left and right sides of the ball, a coil spring is pressed against the retainer, and a packing is assembled between the ball seat and the retainer , The structure is complicated, and the manufacturing cost is high, the workability is poor, maintenance and parts replacement work are very inconvenient, and the compressive force of the coil spring is limited, so that it is difficult to prevent the leakage phenomenon well. And the structure is completely different from this design.

다음, 특허등록 제1595260호는 볼 시트 자체를 코일스프링이 밀어주도록 된 구조를 가지고 있는데 상술한 특허공개번호 특2001-0027659호에 비하여 다소 간단한 구조이기는 하지만 이 역시 작업성이 불량하며 유지보수 및 부품의 교체작업이 크게 불편하고 코일스프링의 압축력에 한계가 있어서 누수현상을 양호하게 차단시키기 어려운 등의 문제가 있다. 그리고 본 고안과는 구조가 완전히 상이하다.Next, Patent Registration No. 1595260 has a structure in which a coil spring is pushed by a ball seat itself. However, this structure is somewhat simpler than the above-mentioned Patent Publication No. 2001-0027659, but this also has a poor workability, There is a problem that it is difficult to smoothly prevent the water leakage phenomenon due to the limitation of the compressive force of the coil spring. And the structure is completely different from this design.

다음, 실용신안등록 제0254791호는 상술한 특허등록 제1595260호에서 코일스프링만 빼고 나머지의 구조는 유사한데 누수현상에 취약한 단점이 있다. 그리고 본 고안과는 구조가 완전히 상이하다.Next, the utility model registration No. 0254791 is similar to the above-mentioned patent registration No. 1595260 except that the coil spring is omitted and the remaining structure is similar, but it is vulnerable to leakage. And the structure is completely different from this design.

특허공개번호 특2001-0027659호Patent Publication No. 2001-0027659 특허등록 제1595260호Patent Registration No. 1595260 실용신안등록 제0254791호Utility Model Registration No. 0254791

[고안이 이루고자 하는 기술적 과제][Technical Challenge]

본 고안은 도면 5의 표시와 같은 종래의 볼 밸브용 리테이너에서 비롯된 상술한 누수현상을 해결할 수 있는 볼 밸브용 리테이너를 제안하는 것이 과제이다.The object of the present invention is to provide a ball valve retainer capable of solving the aforementioned leakage phenomenon caused by a conventional ball valve retainer as shown in Fig.

[고안의 구성 및 작용][Configuration and Operation of Design]

본 고안은 아래와 같은 구조로 이루어진다.The present invention has the following structure.

관형 몸체(8)의 가장자리로 돌출된 돌출단(8-1)에 나사(11)가 형성되고 내부는 유체가 관통하는 구멍(13)이 형성되며, 구멍(13)과 같은 직경의 구멍(10)이 형성된 볼 시트(9)가 돌출단(8-1)의 반대쪽 끝에 박혀서 고정되고 돌출단(8-1)의 볼 시트(9)를 향하는 방향의 수직면에 내열한계온도 450℃ 이상의 그라파이트 패킹(14)이 접착제로 고정되며 볼 시트(9)의 반대쪽에는 공구를 끼워서 돌리기 위한 구멍(12)들이 형성된 볼 밸브용 리테이너이다.A screw 11 is formed in a protruding end 8-1 protruding to the edge of the tubular body 8 and a hole 13 through which the fluid passes is formed inside and a hole 10 The ball seat 9 on which the ball seat 9 is formed is fixed and fixed to the opposite end of the protruding end 8-1 and a graphite packing 14 are fixed with an adhesive, and on the opposite side of the ball seat 9, holes 12 for turning and inserting tools are formed.

이렇게 구성되는 본 고안은 도면 1과 같이 볼 시트(9)가 볼(6)에 접촉되도록 구멍(H1) 안으로 삽입시키면서 돌출단(8-1)의 나사(11)가 플랜지(4)의 나사구멍(5)에 조립되도록 하면 돌출단(8-1)에 상술한 바와 같이 접착제로 고정된 그라파이트 패킹(14)은 나사구멍(5) 안쪽의 수직면에 강하게 밀착된다.The present invention thus constituted is characterized in that the screw 11 of the protruding end 8-1 is inserted into the hole H1 so that the ball seat 9 is brought into contact with the ball 6 as shown in Fig. The graphite packing 14 fixed to the protruding end 8-1 with the adhesive agent as described above is strongly adhered to the vertical surface inside the screw hole 5. [

따라서 2개로 구성되는 종래의 리테이너에 비하여 밀폐기능이 크게 향상되며 게다가 내열한계온도가 450℃ 이상인 그라파이트 패킹(14)을 적용하고 있으므로 밸브에 높은 온도가 작용하여도 밀폐력에 문제가 발생되지 않는다. 여기서 보통의 볼 밸브는 통상적으로 450℃ 이상의 온도로 가열되지 않는다.Therefore, the sealing function is greatly improved as compared with the conventional two-piece retainer. Further, since the graphite packing 14 having the heat-resistant limit temperature of 450 ° C or higher is applied, no problem occurs in the sealing performance even if a high temperature is applied to the valve. Here, a normal ball valve is not heated to a temperature of usually 450 DEG C or more.

이러한 본 고안은 종래와 달리 1개의 몸체를 가지며 내열성과 밀폐성이 우수한 그라파이트 패킹을 적용함에 따라 고온에서도 누수현상이 차단되는 큰 효과가 있다.In the present invention, unlike the prior art, the graphite packing having one body and excellent heat resistance and airtightness is applied, and thus the leakage phenomenon is prevented even at a high temperature.

도면 1은 본 고안을 글로브 밸브에 적용한 상태를 나타낸 단면도.
도 2는 도 1의 A-A선 단면도.
도 3은 본 고안의 정면도.
도 4는 도 3의 정면도를 기준한 우측면도(좌측면도 동일).
도 5는 도 4의 B-B선 단면도.
도 6은 종래의 자켓을 글로브 밸브에 적용한 상태를 나타낸 단면도.
도 7은 도 6의 C-C선 단면도.
도 8은 종래 자켓의 정면도.
도 9는 도 8의 정면도를 기준한 우측면도(좌측면도 동일).
도 10은 도 9의 D-D선 단면도.1 is a sectional view showing a state in which the present invention is applied to a globe valve.
2 is a sectional view taken along the line AA in Fig.
3 is a front view of the present invention;
4 is a right side view (the same as the left side view) based on the front view of Fig.
5 is a sectional view taken along line BB of Fig.
6 is a sectional view showing a state where a conventional jacket is applied to a globe valve.
7 is a cross-sectional view taken along the line CC of Fig.
8 is a front view of a conventional jacket.
Fig. 9 is a right side view (the same as the left side view) based on the front view of Fig. 8;
10 is a cross-sectional view taken along line DD of Fig.

..

1, 15: 볼 밸브 6, 19: 볼 7, 20: 제 1 볼 시트
8: 몸체 9: 볼 시트 14: 그라파이트 패킹1, 15: a ball valve 6, 19: a ball 7, 20: a first ball seat
8: Body 9: Ball Sheet 14: Graphite Packing

Claims (1)

관형 몸체(8)의 가장자리로 돌출된 돌출단(8-1)에 나사(11)가 형성되고 내부는 유체가 관통하는 구멍(13)이 형성되며, 구멍(13)과 같은 직경의 구멍(10)이 형성된 볼 시트(9)가 돌출단(8-1)의 반대쪽 끝에 박혀서 고정되고 돌출단(8-1)의 볼 시트(9)를 향하는 방향의 수직면에 내열한계온도 450℃ 이상의 그라파이트 패킹(14)이 접착제로 고정되며 볼 시트(9)의 반대쪽에는 공구를 끼워서 돌리기 위한 구멍(12)들이 형성된 볼 밸브용 리테이너.A screw 11 is formed in a protruding end 8-1 protruding to the edge of the tubular body 8 and a hole 13 through which the fluid passes is formed inside and a hole 10 The ball seat 9 on which the ball seat 9 is formed is fixed and fixed to the opposite end of the protruding end 8-1 and a graphite packing 14) is fixed with an adhesive and opposite to the ball seat (9), there are formed holes (12) for turning and inserting a tool.
KR2020160001822U 2016-04-04 2016-04-04 Retainer for Ball Valve KR20170003526U (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100254791B1 (en) 1996-02-29 2000-10-02 다케시 이케베 Bill handling machine
KR20010027659A (en) 1999-09-15 2001-04-06 유서광 Improvement in seal ring device of seat-retainer for use in a ball valve
KR101595260B1 (en) 2014-08-22 2016-02-18 대우조선해양 주식회사 Seat Retainer for Ball Valve

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100254791B1 (en) 1996-02-29 2000-10-02 다케시 이케베 Bill handling machine
KR20010027659A (en) 1999-09-15 2001-04-06 유서광 Improvement in seal ring device of seat-retainer for use in a ball valve
KR101595260B1 (en) 2014-08-22 2016-02-18 대우조선해양 주식회사 Seat Retainer for Ball Valve

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