KR100392198B1 - Electromotion ball valve - Google Patents

Electromotion ball valve Download PDF

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Publication number
KR100392198B1
KR100392198B1 KR10-2001-0039270A KR20010039270A KR100392198B1 KR 100392198 B1 KR100392198 B1 KR 100392198B1 KR 20010039270 A KR20010039270 A KR 20010039270A KR 100392198 B1 KR100392198 B1 KR 100392198B1
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KR
South Korea
Prior art keywords
ball
motor
valve
shaft
gear motor
Prior art date
Application number
KR10-2001-0039270A
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Korean (ko)
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KR20010100020A (en
Inventor
오용수
Original Assignee
주식회사 코텍
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Priority to KR10-2001-0039270A priority Critical patent/KR100392198B1/en
Publication of KR20010100020A publication Critical patent/KR20010100020A/en
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Publication of KR100392198B1 publication Critical patent/KR100392198B1/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
    • F16K5/0647—Spindles or actuating means
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/52—Mechanical actuating means with crank, eccentric, or cam
    • F16K31/524—Mechanical actuating means with crank, eccentric, or cam with a cam
    • F16K31/52408—Mechanical actuating means with crank, eccentric, or cam with a cam comprising a lift valve
    • F16K31/52425—Mechanical actuating means with crank, eccentric, or cam with a cam comprising a lift valve with a ball-shaped valve member

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrically Driven Valve-Operating Means (AREA)
  • Taps Or Cocks (AREA)

Abstract

본 발명은 볼밸브의 상부에 기어들이 조합된 기어모터를 설치하고 이 기어모터의 모터축과 볼밸브의 볼회전축을 캠으로 연결한 뒤 캠에 의해 제어되는 리미트스위치로 모터의 회전이 콘트롤되도록 함으로써, 구성이 간소화 되고 또한 기어모터를 볼밸브에서 분리하기 편리함으로 고장수리를 신속하게 할수 있는 전동 볼밸브에 관한 것으로서, 특히 유로를 개폐하는 볼을 갖는 밸브몸체가 구비되고, 볼의 볼회전축을 자동으로 회전시키는 기어모터가 구비된 전동 볼밸브에 있어서, 기어모터의 모터축과 볼회전축을 연결하는 캠이 구비되고, 캠의 외주면에는 다단으로 돌기가 형성되며, 돌기들에 의해 온/오프되면서 기어모터의 회전을 제어하여 밸브몸체의 유로를 개폐하는 리미트스위치가 구비되도록 구성되어 있다.The present invention by installing a gear motor with a combination of gears on the top of the ball valve and connecting the motor shaft of the gear motor and the ball rotation shaft of the ball valve with a cam to control the rotation of the motor by a limit switch controlled by the cam The present invention relates to an electric ball valve that can simplify troubleshooting and facilitate the troubleshooting by quickly removing the gear motor from the ball valve. In particular, a valve body having a ball for opening and closing a flow path is provided, and the ball rotating shaft of the ball is automatically In the electric ball valve provided with a gear motor for rotating the gear motor, a cam connecting the motor shaft and the ball rotation shaft of the gear motor is provided, the outer peripheral surface of the cam is formed with a multi-stage projection, the gear is turned on / off by the projections It is configured to include a limit switch for controlling the rotation of the motor to open and close the flow path of the valve body.

Description

전동 볼밸브{Electromotion ball valve}Electric ball valve {Electromotion ball valve}

본 발명은 전동 볼밸브에 관한 것으로서, 더욱 상세하게는 기어모터의 모터축과 볼밸브의 볼회전축을 캠으로 연결하고 캠의 외주면에 형성된 돌기들에 의해 리미트스위치가 제어되도록 함으로써, 이 스위치들에 의해 기어모터의 회전이 콘트롤되면서 볼밸브가 개폐됨으로 구성이 간소화되고 또한 모터의 고장 수리시 모터를 볼밸브로부터 분리시키기 편리한 전동 볼밸브에 관한 것이다.The present invention relates to an electric ball valve, and more particularly, by connecting the motor shaft of the gear motor and the ball rotation shaft of the ball valve with a cam and the limit switch is controlled by the projections formed on the outer peripheral surface of the cam, By controlling the rotation of the gear motor by the ball valve is opened and closed to simplify the configuration and also relates to an electric ball valve convenient to separate the motor from the ball valve in the event of motor failure repair.

일반적으로 볼밸브는 수동조작레버가 구비된 것이 대부분으로 이러한 밸브는온수배관용 또는 직경이 작은 파이프의 개폐에 사용된다. 이러한 수동조작밸브를 자동으로 개폐하여 온수의 흐름을 필요에 따라 편리하게 제어하기 위한 발명들이 많이 제안된바 있다. 그중 에서 국내 실용신안공보 공개번호 제98-20262호에 솔레노이드를 이용한 자동개폐장치가 개시된 바 있다.In general, the ball valve is equipped with a manual operation lever, most of these valves are used for hot water piping or opening and closing of small diameter pipe. Many inventions have been proposed to conveniently open and close such a manual control valve to conveniently control the flow of hot water as needed. Among them, the automatic switching device using a solenoid has been disclosed in Korean Utility Model Publication No. 98-20262.

이는 밸브의 회전축을 솔레노이드와 연결시켜 솔레노이드의 직선운동이 회전운동으로 변하도록 하여 밸브를 개폐한 것이나, 솔레노이드는 그 특성상 직선운동이 빠르게 이루어지기 때문에 그 충격으로 밸브의 피로가 심해져 패킹이 마모되고 누수의 위험성이 있었다. 또한 솔레노이드는 빠르게 움직이기 때문에 동작소음이 심한 등의 단점이 있었다.This is to open and close the valve by connecting the axis of rotation of the valve with the solenoid so that the linear motion of the solenoid is changed to the rotational motion.Because the solenoid has a linear motion quickly due to its characteristics, the fatigue of the valve increases due to the shock and the packing wears and leaks. There was a risk. In addition, since the solenoid moves quickly, there were disadvantages such as high noise.

국내 특허 등록 제198098호에는 모터를 이용한 밸브가 개시된 바 있다. 이는 모터와 연결된 다수개의 기어군들을 통해 밸브판이 회전되도록 구성된 것이나, 기어군들이 밸브 내부에 내장되기 때문에 밸브를 제작하기 어려우며 또한 기어들이 고장났을 때 이를 수리하기 위해 모터와 기어들을 분리하기 어려운 등의 단점이 있었다.Korean Patent Registration No. 198098 discloses a valve using a motor. This is because the valve plate is rotated through a plurality of gear groups connected to the motor, but because the gear groups are embedded in the valve, it is difficult to manufacture the valve and it is difficult to separate the motor and gears to repair the gear when the gear fails. There was a downside.

본 발명은 종래의 문제점을 감안하여 개발한 것으로서, 본 발명의 목적은 볼밸브의 상부에 기어들이 조합된 기어모터를 설치하고 이 기어모터의 모터축과 볼밸브의 볼회전축을 캠으로 연결한 뒤 캠에 의해 제어되는 리미트스위치로 모터의 회전이 콘트롤되도록 함으로써, 구성이 간소화 되고 또한 기어모터를 볼밸브에서 분리하기 편리함으로 고장수리를 신속하게 할수 있는 전동 볼밸브를 제공함에 있다.The present invention was developed in view of the conventional problems, and an object of the present invention is to install a gear motor in which the gears are combined in the upper part of the ball valve and connect the motor shaft of the gear motor and the ball rotation shaft of the ball valve with a cam By controlling the rotation of the motor by the limit switch controlled by the cam, the configuration is simplified, and the gear motor can be easily separated from the ball valve, thereby providing an electric ball valve capable of quick troubleshooting.

도 1은 본 발명 전동 볼밸브의 분리 사시도1 is an exploded perspective view of the electric ball valve of the present invention

도 2a,b는 본 발명 전동 볼밸브의 개폐상태를 나타낸 단면도Figure 2a, b is a cross-sectional view showing the opening and closing state of the electric ball valve of the present invention

도 3은 본 발명 전동 볼밸브의 수동조작상태를 나타낸 단면도Figure 3 is a cross-sectional view showing a manual operation state of the electric ball valve of the present invention

도 4는 본 발명 전동 볼밸브의 회로도4 is a circuit diagram of the present invention electric ball valve

도 5는 본 발명 전동 볼밸브의 사용상태를 나타낸 개략도5 is a schematic view showing a state of use of the electric ball valve of the present invention

<도면의 주요부분에 대한 부호설명><Code Description of Main Parts of Drawing>

1 : 방1: room

2 : 분배기2: divider

3 : 콘크롤러3: crawler

10 : 밸브몸체10: valve body

11 : 유로11: Euro

12 : 볼12: ball

13 : 구멍13: hole

14 : 볼회전축14: ball rotating shaft

15 : 체결구15: fastener

20 : 기어모터20: gear motor

21 : 모터축21: motor shaft

22 : 캠22: cam

23 : 돌기23: turning

24 : 리미트스위치24: limit switch

25 : 모터케이스25: motor case

26 : 체결구26: fastener

27 : 커플링27: coupling

30 : 손잡이30: handle

상기 목적을 달성하기 위하여 본 발명은 유로를 개폐하는 볼을 갖는 밸브몸체가 구비되고, 볼의 볼회전축을 자동으로 회전시키는 기어모터가 구비된 전동 볼밸브에 있어서, 기어모터의 모터축과 볼회전축을 연결하는 캠이 구비되고, 캠의 외주면에는 다단으로 돌기가 형성되며, 돌기들에 의해 온/오프되면서 기어모터의 회전을 제어하여 밸브몸체의 유로를 개폐하는 리미트스위치가 구비되도록 구성되어 있다.In order to achieve the above object, the present invention is provided with a valve body having a ball for opening and closing the flow path, in the electric ball valve with a gear motor for automatically rotating the ball rotating shaft of the ball, the motor shaft and the ball rotating shaft of the gear motor The cam is provided, and the outer circumferential surface of the cam is provided with protrusions in multiple stages, and is configured to be provided with a limit switch for opening and closing the flow path of the valve body by controlling the rotation of the gear motor while being on / off by the protrusions.

이하 본 발명의 바람직한 실시예를 첨부 도면에 따라 상세히 설명하면 다음과 같다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명 전동 볼밸브의 분리 사시도 이고, 도 2a,b는 본 발명 전동 볼밸브의 개폐상태를 나타낸 단면도 이다. 유로(11)를 갖는 밸브몸체(10)가 구비되고 밸브몸체(10)의 내부에는 유로(11)를 개폐하는 볼(12)이 구비된다. 볼(12)에는 유로(11)와 일치되는 구멍(13)이 형성되어 있으며 이 구멍(13)이 유로(11)와 일치되면 밸브몸체(10)가 개방된다.Figure 1 is an exploded perspective view of the electric ball valve of the present invention, Figure 2a, b is a cross-sectional view showing the open and closed state of the electric ball valve of the present invention. A valve body 10 having a flow path 11 is provided, and a ball 12 for opening and closing the flow path 11 is provided inside the valve body 10. The ball 12 is formed with a hole 13 coincident with the flow path 11, and when the hole 13 coincides with the flow path 11, the valve body 10 is opened.

그리고 볼(12)은 밸브몸체(10)의 상측으로 돌출된 볼회전축(14)과 연결되며 이 볼회전축이 본 발명의 기어모터(20)와 연결된다. 기어모터(20)는 내부에 감속기어군이 내장된 모터로서, 기어모터(20)의 모터축(21)이 캠(22)을 통하여 볼회전축(14)과 연결된다. 캠(22)은 외주면에 180도 간격으로 벌어진 한쌍돌기(23)가 2층으로 형성되며 각 층의 돌기(23)들은 90도 간격으로 엇갈려 있기 때문에 적층된 한쌍의 리미트스위치(24)를 선택적으로 온/오프 시킬 때 기어모터에 의하여 회전되는 볼회전축(14)이 한 방향으로 90도 각도만큼 간헐적으로 회전되면서 유로(11)가 개폐되도록 한 것을 특징으로하는 전동 볼밸브 이다. 즉 캠(22)의 각 층에 있는 돌기(23)들에 간섭되는 리미트스위치(24)가 2단으로 구비되며 이 리미트스위치(24)에 의해 기어모터(20)의 회전이 콘트롤 된다.The ball 12 is connected to the ball rotating shaft 14 protruding upward of the valve body 10 and the ball rotating shaft is connected to the gear motor 20 of the present invention. The gear motor 20 is a motor having a reduction gear group therein, and the motor shaft 21 of the gear motor 20 is connected to the ball rotating shaft 14 through the cam 22. Cam (22) is formed on the outer circumferential surface of the two pairs of protrusions 23 formed at intervals of 180 degrees and the projections 23 of each layer are staggered at intervals of 90 degrees. It is an electric ball valve characterized in that the flow path 11 is opened and closed while the ball rotation shaft 14 is rotated by a 90-degree angle in one direction when turned on / off by a gear motor. In other words, the limit switch 24 which interferes with the projections 23 in each layer of the cam 22 is provided in two stages, and the rotation of the gear motor 20 is controlled by the limit switch 24.

기어모터(20)와 캠(22) 및 각 리미트스위치(24)는 모터케이스(25)의 내부에 내장되어 있으며 모터케이스(25) 하단의 원통형 체결구(26)와 밸브몸체(10) 상단의 원통형 체결구(15)가 커플링(27)을 통하여 서로 연결된다. 따라서 모터케이스(25)와 밸브몸체(10)가 커플링(27)으로 연결되며, 모터케이스(25)를 분리하고자 할 때 커플링(27)을 제거하면 쉽게 분리된다.The gear motor 20, the cam 22, and each limit switch 24 are built in the motor case 25, and the cylindrical fastener 26 at the bottom of the motor case 25 and the upper end of the valve body 10 are provided. Cylindrical fasteners 15 are connected to each other via a coupling 27. Therefore, the motor case 25 and the valve body 10 are connected to the coupling 27, and when the motor case 25 is to be removed, the coupling 27 is easily removed.

이처럼 구성된 본 발명은 기어모터(20)가 모터케이스(25)를 통하여 밸브몸체(10)에 체결된다. 모터케이스(25)의 하단에 형성된 원통형 체결구(26)와 밸브몸체(10) 상단의 원통형 체결구(15)가 커플링(27)을 통하여 연결되면 모터케이스(25)가 밸브몸체(10)의 상부에 설치된 상태로 놓인다. 도 2a에서와 같이 볼(12)의 구멍(13)과 밸브몸체의 유로(11)가 일치되면 밸브몸체가 열린 상태로 된다.In the present invention configured as described above, the gear motor 20 is fastened to the valve body 10 through the motor case 25. When the cylindrical fastener 26 formed at the bottom of the motor case 25 and the cylindrical fastener 15 at the top of the valve body 10 are connected through the coupling 27, the motor case 25 is connected to the valve body 10. Placed on top of the As shown in FIG. 2A, when the hole 13 of the ball 12 and the flow path 11 of the valve body coincide, the valve body is opened.

도 2b에서와 같이 볼(12)이 회전되어 구멍(13)과 유로(11)가 엇갈린 상태로 되면 유로(11)가 막히고 밸브몸체가 폐쇄된다. 기어모터(20)로 전원이 인가되면 이의 모터축(21)이 회전되고 캠(22)과 연결된 볼회전축(14)이 함께 회전된다. 이때 볼회전축 하단의 볼(12)이 회전되어 이의 구멍(13)이 유로(11)와 엇갈리게 된다.구멍이 유로와 최대한 엇갈리면 모터가 정지된다. 모터축(21)이 회전되는 동안 이와 연결된 캠(22)에 의해 캠의 돌기(23)가 각 리미트스위치(24)를 눌러준다.As shown in FIG. 2B, when the ball 12 is rotated such that the hole 13 and the flow path 11 are staggered, the flow path 11 is blocked and the valve body is closed. When power is applied to the gear motor 20, its motor shaft 21 is rotated and the ball rotating shaft 14 connected to the cam 22 is rotated together. At this time, the ball 12 at the bottom of the ball rotating shaft is rotated so that the hole 13 thereof is intersected with the flow path 11. When the hole is as far as possible with the flow path, the motor is stopped. While the motor shaft 21 is being rotated, the protrusions 23 of the cam press the respective limit switches 24 by the cams 22 connected thereto.

각 리미트스위치(24)는 구멍(13)과 유로(11)가 최대한 일치되어 유로가 개방됐을 때와 최대한 엇갈려 폐쇄됐을 때를 감지하도록 구비된 것이며 이때 기어모터(20)가 정지되도록 하는 것이다. 따라서 기어모터(20)를 원하는 위치에서 정지시킬 수 있음으로 유로의 개폐를 정확하게 조정할수 있다.Each limit switch 24 is provided so as to detect when the hole 13 and the flow path 11 are as close as possible and when the flow path is opened and closed as far as possible, and the gear motor 20 is stopped. Therefore, the gear motor 20 can be stopped at a desired position, thereby enabling precise adjustment of the opening and closing of the flow path.

도 3은 본 발명 전동 볼밸브의 수동조작상태를 나타낸 단면도 로서, 기어모터(20)가 고정났을 때 또는 수동조작이 필요한 경우 모터케이스 하부의 커플링(27)을 제거하여 모터케이스를 밸브몸체(10)로부터 분리 시킨다. 그리고 밸브몸체(10)의 상단으로 노출된 볼회전축(14)에 손잡이(30)를 결합시키면 볼밸브를 수동으로 조작할수 있다.Figure 3 is a cross-sectional view showing a manual operation state of the electric ball valve of the present invention, when the gear motor 20 is fixed or when manual operation is required by removing the coupling 27 of the lower case of the motor case to remove the motor case ( 10). And when the handle 30 is coupled to the ball rotating shaft 14 exposed to the upper end of the valve body 10 can be operated manually the ball valve.

도 5는 본 발명 전동 볼밸의 사용상태를 나타낸 개략도 로서, 본 발명 전동 볼밸브는 온수 난방장치의 분배기(2)에 설치할 수 있다. 분배기(2)에 다수개의 밸브몸체(10)를 설치하고 각 방(1)마다 에는 이 밸브몸체(10)를 콘트롤할수 있는 콘트롤러(3)를 설치한 것이다.5 is a schematic view showing a state of use of the electric ball ball of the present invention, the electric ball valve of the present invention can be installed in the distributor (2) of the hot water heater. A plurality of valve bodies 10 are provided in the distributor 2, and a controller 3 capable of controlling the valve bodies 10 is provided in each room 1.

이처럼 구성하면 각 방(1)에서 원하는 온도와 시간 등으로 콘트롤러(3)를 조정할수 있으며 그 온도와 시간에 맞도록 밸브몸체(10)의 기어모터(20)가 작동을 하여 볼(12)을 회전 조작시킴으로 온수의 흐름을 자동으로 제어할수 있다.When configured in this way, the controller 3 can be adjusted to the desired temperature and time in each room 1, and the gear motor 20 of the valve body 10 operates to match the temperature and time. By rotating operation, the flow of hot water can be controlled automatically.

이상에서와 같이 본 발명에 따르면 밸브몸체의 볼회전축과 기어모터의 모터축이 캠으로 연결되고 캠의 외주면에는 다단으로 돌기가 형성되며 이들 돌기들에 의해 온/오프되는 리미트스위치가 구비된다. 따라서 모터가 회전되는 동안 볼회전축을 통하여 볼이 회전되고 이 볼에 형성된 구멍과 유로가 일치되거나 엇갈리면서 밸브가 개폐됨으로 그 구성이 간소하다. 또한 모터가 회전되는 동안 리미트스위치가 온/오프되면서 밸브의 개폐위치가 정확하게 제어됨으로 제품의 신뢰성이 향상되는 등의 효과가 있다.As described above, according to the present invention, the ball rotation shaft of the valve body and the motor shaft of the gear motor are connected by a cam, and a protrusion is formed in multiple stages on the outer circumferential surface of the cam, and a limit switch is turned on / off by these protrusions. Therefore, the configuration is simple because the ball is rotated through the ball rotating shaft while the motor is rotated, and the valve is opened and closed while the hole and the flow path formed in the ball are coincident or staggered. In addition, since the limit switch is turned on / off while the motor rotates, the opening and closing position of the valve is precisely controlled, thereby improving the reliability of the product.

Claims (1)

유로(11) 개폐용 볼(12)을 갖는 밸브몸체(10)가 구비되고, 모터케이스(25)에 내장된 기어모터(20)의 모터축(21)과 밸브몸체(10)의 상부로 돌출된 볼(12)의 볼회전축(14)이 연결되고, 모터케이스(25) 내부의 모터축(21) 외주면에는 모터축(21)과 함께 회전되는 돌기(23)에 의해 온/오프되면서 기어모터(20)의 회전을 제어하여 유로(11)를 개폐시키는 다수개의 리미트스위치(24)가 구비된 전동 볼밸브에 있어서,A valve body 10 having a flow path 11 and a ball 12 for opening and closing is provided, and protrudes above the motor shaft 21 and the valve body 10 of the gear motor 20 embedded in the motor case 25. The ball rotation shaft 14 of the ball 12 is connected, and the gear motor while being turned on / off by the protrusion 23 rotated together with the motor shaft 21 on the outer circumferential surface of the motor shaft 21 inside the motor case 25. In the electric ball valve provided with a plurality of limit switches 24 for opening and closing the flow path 11 by controlling the rotation of the (20), 밸브몸체(10) 상단에 볼회전축(14)을 감싸는 체결구(15)가 구비되고, 모터케이스(25) 하단에 볼회전축(14)이 끼워지는 체결구(26)가 구비되며, 이들 체결구(15)(26)를 연결하여 밸브몸체(10)와 모터케이스(25)를 결합시키는 커플링(27)이 구비되고, 볼(12)의 볼회전축(14) 상단과 기어모터(20)의 모터축(21) 하단을 모터케이스(25) 내부에서 동일 축상으로 연결시키는 캠(22)이 구비되고, 돌기(23)는 캠(22)의 외주면에 90도 간격으로 상하 엇갈리게 다수개 설치되어 적층된 한쌍의 리미트스위치(24)를 선택적으로 온/오프 시켜 기어모터(20)에 의하여 회전되는 볼회전축(14)이 한 방향으로 90도 각도만큼 간헐적으로 회전되면서 유로(11)가 개폐되도록 한 것을 특징으로하는 전동 볼밸브.A fastener 15 is provided at the top of the valve body 10 to enclose the ball rotating shaft 14. A fastener 26 is provided at the bottom of the motor case 25 to accommodate the ball rotating shaft 14. A coupling 27 is provided to connect the valve body 10 and the motor case 25 by connecting the 15 and 26 to the upper end of the ball rotating shaft 14 of the ball 12 and the gear motor 20. Cam 22 is provided to connect the lower end of the motor shaft 21 on the same axis in the motor case 25, and a plurality of protrusions 23 are installed on the outer circumferential surface of the cam 22 alternately up and down alternately at 90 degree intervals. By selectively turning on / off the pair of limit switches 24, the ball rotation shaft 14 rotated by the gear motor 20 is intermittently rotated by 90 degrees in one direction so that the flow path 11 is opened and closed. Electric ball valve characterized by.
KR10-2001-0039270A 2001-07-02 2001-07-02 Electromotion ball valve KR100392198B1 (en)

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KR101352494B1 (en) 2012-02-21 2014-01-21 (주)태성이엠씨 Electric damper for opening and closing by one-way rotation of closure
EP4137727A1 (en) 2021-08-20 2023-02-22 LG Electronics Inc. Valve actuator
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KR20240037534A (en) 2022-09-15 2024-03-22 한국항공우주연구원 Electric valve

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KR100932385B1 (en) * 2007-12-31 2009-12-17 주식회사 밸콘 Electric ball valve
CN103863335A (en) * 2012-12-09 2014-06-18 何程 Special isolating cabin for vacuum magnetic suspension lane platform

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KR20240037534A (en) 2022-09-15 2024-03-22 한국항공우주연구원 Electric valve

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