KR20040100503A - Pump with internal screw to separate packing box and seal cover - Google Patents

Pump with internal screw to separate packing box and seal cover Download PDF

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Publication number
KR20040100503A
KR20040100503A KR1020030032886A KR20030032886A KR20040100503A KR 20040100503 A KR20040100503 A KR 20040100503A KR 1020030032886 A KR1020030032886 A KR 1020030032886A KR 20030032886 A KR20030032886 A KR 20030032886A KR 20040100503 A KR20040100503 A KR 20040100503A
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KR
South Korea
Prior art keywords
seal cover
packing box
pump
bolt
rotor
Prior art date
Application number
KR1020030032886A
Other languages
Korean (ko)
Inventor
김대중
Original Assignee
두산중공업 주식회사
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Publication date
Application filed by 두산중공업 주식회사 filed Critical 두산중공업 주식회사
Priority to KR1020030032886A priority Critical patent/KR20040100503A/en
Publication of KR20040100503A publication Critical patent/KR20040100503A/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/086—Sealings especially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/605—Mounting; Assembling; Disassembling specially adapted for liquid pumps

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)

Abstract

PURPOSE: A pump with a female screw hole for separating a packing box from a seal cover is provided to prevent breakage of the pump by separating the packing box of the pump from the seal cover with tightening force of the bolt without applying impact. CONSTITUTION: A pump is composed of a packing box(110) surrounding the edge of the longitudinal center of a rotor(102), and a seal cover(120) contacted to the side of the packing box and combined with the packing box in surrounding the rotor. Two or more female screw holes(160) are formed along the circumference of the seal cover, and formed at both ends of the diameter of the seal cover. A bolt(112) is formed in the packing box contacted to the seal cover corresponding to the penetration hole of the seal cover, and a recessed groove(117) is formed in the packing box corresponding to the female screw hole.

Description

패킹상자와 실커버의 분리를 위한 암나사공이 형성된 펌프{PUMP WITH INTERNAL SCREW TO SEPARATE PACKING BOX AND SEAL COVER}PUMP WITH INTERNAL SCREW TO SEPARATE PACKING BOX AND SEAL COVER}

본 발명은 펌프에 관한 것이며, 특히, 펌프의 패킹상자(STUFFING BOX)와 실커버(SEAL COVER)를 체결한 후 장시간이 경과하더라도 용이하게 패킹상자와 실커버를 해체할 수 있게 구성된 펌프를 제공하는 데 있다.The present invention relates to a pump, and in particular, to provide a pump configured to easily disassemble the packing box and the seal cover even after a long time after the sealing box (STUFFING BOX) and the seal cover (SEAL COVER) of the pump is fastened. There is.

도면에서 도 1은 종래 기술에 따른 펌프의 부분단면도이다.1 is a partial cross-sectional view of a pump according to the prior art.

도 1에 도시된 바와 같이, 펌프(1)는 회전자(ROTOR)(2)와, 이런 회전자(2)를 감싸는 고정자(STATOR)를 포함한다. 회전자(2)는 일반적인 원기둥의 샤프트로서, 고정자는 크게 회전자(2)의 중간부를 감싸 위치하는 패킹상자(10)와, 패킹상자(10)의 정면에 접해 위치하는 실커버(20)를 포함하며, 패킹상자(10)의 정면 원주를 따라 형성된 다수 개의 볼트(12)가 실커버(20)의 원주를 따라 형성된 다수 개의 관통공(도면에 도시안됨)을 관통한 상태로 볼트(12)에 너트(14)가 체결되어 패킹상자(10)와 실커버(20)를 체결 고정한다. 여기에서 패킹상자(10)와 실커버(20)의 사이에는 펌프(1)를 통과하는 유체의 누수를 방지하기 위해 가스켓(40)이 위치한 상태로 패킹상자(10)와 실커버(20)가 체결 고정된다.As shown in FIG. 1, the pump 1 comprises a rotor 2 and a stator surrounding this rotor 2. The rotor (2) is a shaft of a general cylinder, and the stator includes a packing box (10) largely wrapped around the middle of the rotor (2) and a seal cover (20) located in contact with the front of the packing box (10). And a plurality of bolts 12 formed along the front circumference of the packing box 10 and passing through a plurality of through holes (not shown) formed along the circumference of the seal cover 20. The nut 14 is fastened to the packing box 10 and the seal cover 20 to be fastened. Here, the packing box 10 and the seal cover 20 are located between the packing box 10 and the seal cover 20 while the gasket 40 is positioned to prevent leakage of the fluid passing through the pump 1. Fastening is fixed.

이와 같은 상태로 장시간 지나게 되면, 가스켓(40)은 패킹상자(10)와 실커버(20)에 고착되어 너트(14)를 볼트(12)에서 해체한 후 패킹상자(10)와 실커버(20)를 분리하더라도 가스켓(40)의 고착에 의해 패킹상자(10)와 실커버(20)의 분리가 어렵게 된다.After a long time in such a state, the gasket 40 is fixed to the packing box 10 and the seal cover 20 to disassemble the nut 14 from the bolt 12, and then the packing box 10 and the seal cover 20. ), It is difficult to separate the packing box 10 and the seal cover 20 due to the fixing of the gasket 40.

이에 작업자는 해머 등으로 실커버(20) 및 패킹상자(10)를 타격하거나 패킹상자(10)와 실커버(20)의 사이에 쐐기 등을 박아 분리한다. 이와 같이 해머로 타격하거나 쐐기를 강제적으로 삽입시키면 패킹상자(10) 및 실커버(20)의 형상이 변형되고, 재조립한 후에 펌프를 가동하게 되면 변형된 틈새로 누수가 발생하게 된다는 단점이 있다.Accordingly, the worker hits the seal cover 20 and the packing box 10 with a hammer or the like, or puts wedges between the packing box 10 and the seal cover 20 to separate them. As such, when the hammer or the wedge is forcibly inserted, the shape of the packing box 10 and the seal cover 20 is deformed, and when the pump is operated after reassembly, leakage occurs due to the deformed gap. .

한편 도면에서 설명되지 않는 도면부호 31은 인서트 마운팅이고, 32는 샤프트 패킹이다.Meanwhile, reference numeral 31, which is not described in the drawing, is insert mounting, and 32 is shaft packing.

본 발명은 앞서 설명한 바와 같은 종래 기술의 문제점을 해결하기 위하여 제안된 것으로서, 실커버와 패킹커버를 해체함에 있어서, 볼트의 조임력에 의해 실커버와 패킹커버를 해체함으로써, 실커버와 패킹커버의 접촉면에 충격을 가하지 않고서 실커버와 패킹커버를 분리할 수 있는 암나사공이 형성된 펌프를 제공하는 데 그 목적이 있다.The present invention is proposed to solve the problems of the prior art as described above, in disassembling the seal cover and the packing cover, by disassembling the seal cover and the packing cover by the tightening force of the bolt, the contact surface of the seal cover and the packing cover It is an object of the present invention to provide a pump with a female threaded hole capable of separating the seal cover and the packing cover without applying an impact to the pump.

도 1은 종래 기술에 따른 펌프의 부분단면도이며,1 is a partial cross-sectional view of a pump according to the prior art,

도 2는 본 발명의 한 실시예에 따른 펌프의 부분단면도이다.2 is a partial cross-sectional view of a pump according to an embodiment of the present invention.

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

1, 101 : 펌프 10, 110 : 패킹상자1, 101: pump 10, 110: packing box

12, 112, 150 : 볼트 20, 120 : 실커버12, 112, 150: Bolt 20, 120: Seal cover

31 : 마운팅 32 : 샤프트 패킹31: mounting 32: shaft packing

40, 140 : 가스켓 117 : 요홈40, 140: gasket 117: groove

160 : 암나사공160: female thread

상기와 같은 목적을 달성하기 위한 본 발명은 회전자의 길이방향 중간부 둘레를 감싸 위치하는 패킹상자와, 회전자를 감싼 상태로 상기 패킹상자의 일측면에 접하여 상기 패킹상자에 체결되는 실커버를 포함하는 펌프에 있어서, 상기 실커버의 원주를 따라 최소 2지점 이상에 암나사공이 형성되며, 상기 암나사공은 상기 실커버의 직경선 상의 양단부에 각각 형성되게 구성된 것을 기술적 특징으로 한다.The present invention for achieving the above object is a packing box which is located wrapped around the longitudinal middle portion of the rotor, the seal cover which is fastened to the packing box in contact with one side of the packing box in the state wrapped around the rotor In the pump comprising, a female screw hole is formed at least two points along the circumference of the seal cover, the female screw hole is characterized in that it is configured to be formed respectively at both ends on the diameter line of the seal cover.

또한 본 발명의 상기 패킹상자에는 상기 실커버의 암나사공과 대응하는 지점에 소정의 깊이를 갖는 요홈이 형성되는 것이 바람직하다.In addition, the packing box of the present invention is preferably formed with a groove having a predetermined depth at a point corresponding to the female thread hole of the seal cover.

아래에서, 본 발명에 따른 패킹상자와 실커버의 분리를 위한 암나사공이 형성된 펌프의 양호한 실시예를 첨부한 도면을 참조로 하여 상세히 설명하겠다.In the following, with reference to the accompanying drawings, a preferred embodiment of a pump having a female threaded hole for the separation of the packing box and the seal cover according to the present invention will be described in detail.

도면에서, 도 2는 본 발명의 한 실시예에 따른 펌프의 부분단면도이다.2 is a partial cross-sectional view of a pump according to an embodiment of the present invention.

도 2에 도시된 바와 같이, 펌프(101)의 실커버(120)에는 그 원주를 따라 다수 개의 관통공(도면에 도시안됨)이 형성되며, 이런 관통공 외에 2개의 암나사공(160)이 형성된다. 여기에서 다수 개의 관통공은 앞에서 설명한 바와 같이, 패킹상자(110)에 형성된 볼트(112)가 각각 삽입되는 관통공이며, 2개의 암나사공(160)은 실커버(120)의 한 지름선 상의 양단부에 각각 하나씩 형성된 것이 바람직하다. 그 이유는 차후에 상세히 설명하기로 한다.As shown in FIG. 2, the seal cover 120 of the pump 101 is formed with a plurality of through holes (not shown) along its circumference, and two female thread holes 160 are formed in addition to the through holes. do. As described above, the plurality of through holes are through holes into which the bolts 112 formed in the packing box 110 are inserted, respectively, and the two female screw holes 160 have both ends on one diameter line of the seal cover 120. It is preferable that one is formed in each. The reason for this will be described later in detail.

한편, 패킹상자(110)에는 상기 실커버(120)와 접촉하는 정면에 있어서, 실커버(120)의 관통공과 대응하는 지점에 볼트(112)가 형성되고, 실커버(120)의 암나사공(160)과 대응하는 지점에는 소정의 깊이로 탭(TAP)가공된 요홈(117)이 형성된다.On the other hand, in the packing box 110, the bolt 112 is formed at a point corresponding to the through hole of the seal cover 120 in front of the contact with the seal cover 120, the female thread hole of the seal cover 120 ( A recess 117 in which a tap is processed to a predetermined depth is formed at a point corresponding to 160.

이와 같이 구성된 실커버(120)와 패킹상자(110)의 조립된 상태를 살펴보면, 패킹상자(110)의 중공과 실커버(120)의 중공에 회전자(102)가 관통해 위치하며, 패킹상자(110)와 실커버(120)의 사이에는 가스켓(140)이 위치한다. 그리고, 패킹상자(110)의 볼트(112)들이 실커버(120)의 관통공에 삽입되도록 패킹상자(110)와 실커버(120)를 접촉시킨 후 볼트(112)에 너트(114)를 체결하여 패킹상자(110)와 실커버(120)를 체결 고정한다.Looking at the assembled state of the seal cover 120 and the packing box 110 configured as described above, the rotor 102 is located through the hollow of the packing box 110 and the hollow of the seal cover 120, the packing box The gasket 140 is positioned between the 110 and the seal cover 120. The packing box 110 contacts the packing box 110 and the seal cover 120 so that the bolts 112 of the packing box 110 are inserted into the through holes of the seal cover 120, and then the nut 114 is fastened to the bolt 112. Fasten the packing box 110 and the seal cover 120.

이때 장시간이 경과하면 가스켓(140)은 패킹상자(110)와 실커버(120)에 고착된다. 이런 상태에서 펌프(101)를 정기점검 또는 고장 등의 원인으로 해체하려면, 우선 너트(114)를 풀고 실커버(120)를 분리한다. 이때, 실커버(120)는 가스켓(140)에 의해 고착되어 쉽게 분리되지 않게 되는데, 작업자는 실커버(120)에 형성된 암나사공(160)에 볼트(150)를 체결하고, 볼트(150)를 회전시켜 패킹상자(110)의 방향으로 전진시킨다. 그러면 볼트(150)의 단부는 패킹상자(110)의 정면에 형성된 요홈(117)에 삽입되고, 요홈(117)의 안쪽면에 접하게 된다. 이런 상태에서 볼트(150)가 계속 회전하면, 볼트(150)의 조임력은 실커버(120)를 기준으로 패킹상자(110)를 밀어내는 힘으로 작용하며, 이런 볼트(150)의 조임력에 의해 패킹상자(110)와 실커버(120)는 분리된다.At this time, when a long time passes, the gasket 140 is fixed to the packing box 110 and the seal cover 120. In this state, to dismantle the pump 101 due to periodic inspection or failure, the nut 114 is first loosened and the seal cover 120 is removed. At this time, the seal cover 120 is fixed by the gasket 140 is not easily separated, the operator fastens the bolt 150 to the female screw hole 160 formed in the seal cover 120, the bolt 150 Rotate to advance in the direction of the packing box (110). Then, the end of the bolt 150 is inserted into the groove 117 formed in the front of the packing box 110, it is in contact with the inner surface of the groove 117. If the bolt 150 continues to rotate in this state, the tightening force of the bolt 150 acts as a force to push the packing box 110 relative to the seal cover 120, the packing by the tightening force of this bolt 150 The box 110 and the seal cover 120 are separated.

한편, 실커버(120)의 암나사공(160)이 실커버(120)의 직경 양단부에 형성되는 것이 바람직한 이유는 직경의 양단부에서 각각 균일한 힘을 가함으로써, 편심되게 힘을 가하는 것보다 용이하게 패킹상자(110)와 실커버(120)를 분리할 수 있기 때문이며, 실커버(120)의 직경의 양단부에 위치하는 이유는 가스켓(140)의 바깥쪽에 암나사공(160)이 형성되어야 펌프(101)의 누수를 방지할 수 있기 때문이다.On the other hand, it is preferable that the female thread hole 160 of the seal cover 120 is formed at both ends of the diameter of the seal cover 120 by applying a uniform force at each end of the diameter, so that it is easier than eccentric force. This is because the packing box 110 and the seal cover 120 can be separated, and the reason for being located at both ends of the diameter of the seal cover 120 is that the female thread hole 160 is formed outside the gasket 140 so that the pump 101 This is because leakage of) can be prevented.

앞서 상세히 설명한 바와 같이, 본 발명의 패킹상자와 실커버의 분리를 위한 암나사공이 형성된 펌프는 펌프의 패킹상자와 실커버를 분리함에 있어서, 펌프의 구성요소에 충격을 가하지 않고 볼트의 조임력으로 분리함으로써, 펌프의 구성요소가 파손되는 것을 방지할 수 있다는 장점이 있다.As described in detail above, the pump formed with a female threaded hole for the separation of the packing box and the seal cover of the present invention by separating the packing box and the seal cover of the pump, by separating the tightening force of the bolt without impacting the components of the pump Therefore, there is an advantage that the components of the pump can be prevented from being broken.

이상에서 본 발명의 패킹상자와 실커버의 분리를 위한 암나사공이 형성된 펌프에 대한 기술사상을 첨부도면과 함께 서술하였지만, 이는 본 발명의 가장 양호한 실시예를 예시적으로 설명한 것이지 본 발명을 한정하는 것은 아니다.Although the technical idea of the pump with the female threaded hole for the separation of the packing box and the seal cover of the present invention has been described with the accompanying drawings, this is for illustratively describing the best embodiments of the present invention. no.

Claims (2)

회전자의 길이방향 중간부 둘레를 감싸 위치하는 패킹상자와, 회전자를 감싼 상태로 상기 패킹상자의 일측면에 접하여 상기 패킹상자에 체결되는 실커버를 포함하는 펌프에 있어서,In the pump including a packing box wrapped around the longitudinal middle portion of the rotor, and a seal cover which is fastened to the packing box in contact with one side of the packing box while the rotor is wrapped, 상기 실커버의 원주를 따라 최소 2지점 이상에 암나사공이 형성되며, 상기 암나사공은 상기 실커버의 직경선 상의 양단부에 각각 형성된 것을 특징으로 하는 암나사공이 형성된 펌프.A female threaded hole is formed at least two points along the circumference of the seal cover, wherein the female threaded hole is formed at each end of each of the diameter lines of the seal cover. 제1항에 있어서,The method of claim 1, 상기 패킹상자에는 상기 실커버의 암나사공과 대응하는 지점에 소정의 깊이를 갖는 요홈이 형성된 것을 특징으로 하는 암나사공이 형성된 펌프.The packing box is formed with a female threaded hole, characterized in that the groove is formed with a groove having a predetermined depth at a point corresponding to the female threaded hole of the seal cover.
KR1020030032886A 2003-05-23 2003-05-23 Pump with internal screw to separate packing box and seal cover KR20040100503A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017209387A1 (en) * 2016-05-30 2017-12-07 (주)지천펌프공업 Intake cover having variable vanes and pump having same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017209387A1 (en) * 2016-05-30 2017-12-07 (주)지천펌프공업 Intake cover having variable vanes and pump having same

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