KR100908841B1 - Water gauge within insert type non-return apparatus - Google Patents

Water gauge within insert type non-return apparatus Download PDF

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Publication number
KR100908841B1
KR100908841B1 KR1020090027770A KR20090027770A KR100908841B1 KR 100908841 B1 KR100908841 B1 KR 100908841B1 KR 1020090027770 A KR1020090027770 A KR 1020090027770A KR 20090027770 A KR20090027770 A KR 20090027770A KR 100908841 B1 KR100908841 B1 KR 100908841B1
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KR
South Korea
Prior art keywords
water
housing
backflow prevention
prevention device
inclined surface
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KR1020090027770A
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Korean (ko)
Inventor
손정미
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손정미
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Priority to KR1020090027770A priority Critical patent/KR100908841B1/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/14—Casings, e.g. of special material
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons, valves, in the pipe systems
    • E03B7/077—Arrangement of backflow preventing devices
    • 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
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/005—Valves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/18—Supports or connecting means for meters
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use

Abstract

A water gauge having an insertion type reverse-current preventing device is provided to prevent the failure during operating by maintaining the close state when the water is not ejected. A water gauge having an insertion type reverse-current preventing device comprises a housing(10) and an opening/closing member(20). The housing of cylindrical shape is inserted into an inner side of a discharging part and consisting of an incline(11) formed at the front and a bonding groove(12) formed on an upper and bottom side of the incline. The opening and closing member is connected to a one end of the housing and consisting of a shaft pole(23) whose both end is inserted and parted in the bonding groove and wing parts rotating to the rear side while being combined by a shaft pole passing through a rotating part.

Description

삽입식 역류방지장치가 구비된 수도계량기{Water gauge within insert type non-return apparatus}Water gauge within insert type non-return apparatus

본 발명은 수도계량기에 관한 것으로, 더욱 상세하게는 하우징과 개폐부재의 간단한 구조로 이루어진 역류방지장치를 수도계량기의 출수측에 삽입 결합하는 역류방지장치가 구비된 수도계량기에 관한 것이다. The present invention relates to a water meter, and more particularly, to a water meter with a backflow prevention device for inserting and coupling the backflow prevention device consisting of a simple structure of the housing and the opening and closing member to the water outlet side of the water meter.

일반적으로 메인수도관으로부터 공급되는 수돗물은 일반가정이나 기타 업소 등의 수도계량기를 통해서 각각 공급하게 되는데, 이때 수돗물은 수압에 의해 한 방향으로 공급되지만 수도관 공사 등의 이유로 단수가 될 경우에는 수돗물의 공급이 차단되어 수압이 작용하지 않기 때문에 수돗물이 역류하는 현상이 발생한다. 이러한 수돗물의 역류현상은 메인수도관 내의 수돗물을 오염시키게 되는 문제를 야기한다. 따라서 근래에는 수도계량기의 출수 측에 역류방지밸브를 설치하여 사용하고 있다.In general, the tap water supplied from the main water pipe is supplied through a water meter such as a general home or other business. At this time, the tap water is supplied in one direction by water pressure. Since the water pressure is not blocked, the tap water flows back. This backflow of tap water causes a problem of contaminating tap water in the main water pipe. Therefore, in recent years, a non-return valve has been installed on the outlet side of the water meter.

그러나, 이러한 종래의 수도계량기에는 역류방지밸브 또는 역류방지방치를 별도의 결합공을 통해 삽입하거나, 제조단계에서 인서트 사출성형을 하는 등 복잡한 구성으로 인해 제조비용이 상승하고 자주 교체를 해야하는 문제점이 있다.However, such a conventional water meter has a problem that the manufacturing cost increases and frequently needs to be replaced due to a complicated configuration such as inserting a non-return valve or a non-return valve through a separate coupling hole or insert injection molding at a manufacturing stage. .

본 발명은 상기와 같은 문제점을 해결하기 위한 것으로, 본 발명은 하우징 및 개폐부재의 간단한 구성으로 이루어져 수도계량기의 출수측에 삽입 결합되어, 제조비용이 절감되고 고장이 없어 유지관리가 더욱 용이한 삽입식 역류방지장치가 구비된 수도계량기를 제공함에 그 목적이 있다.The present invention is to solve the above problems, the present invention consists of a simple configuration of the housing and the opening and closing member is inserted and coupled to the water outlet side of the water meter, the manufacturing cost is reduced and there is no failure more easy to maintain the insertion It is an object of the present invention to provide a water meter with a backflow prevention device.

본 발명에 의한 삽입식 역류방지장치가 구비된 수도계량기는 수도관과 연결되어 수돗물을 유입하는 입수부와, 유입된 수돗물이 내부에 설치된 계측기를 거쳐 외부로 배출될 수 있도록 출수부가 형성된 수도계량기에 있어서, 상기 출수부의 내측에 삽입될 수 있도록 원통형상을 이루는 하우징과, 상기 하우징의 일측에 결합되는 개폐부재를 포함하여 삽입식 역류방지장치를 구성하되, 상기 하우징은 하측보다 상측이 돌출되도록 전면에 형성된 경사면과, 상기 경사면의 상측과 하측에 형성된 결합홈이 구비되고, 상기 개폐부재는 양측 선단이 결합홈에 삽입 결합되는 축봉과, 회전부를 관통하는 축봉에 의해 결합되어 후방으로 회동하는 1쌍의 날개부를 포함 하여 형성되는 것을 그 기술적 특징으로 한다. The water meter having an insertion type non-return device according to the present invention is connected to the water pipe inlet and tap water inlet, and the water tap is formed in the water meter is formed so that the water outlet is discharged to the outside through a measuring instrument installed therein Comprising a housing that forms a cylindrical shape so that it can be inserted into the water outlet and the opening and closing member coupled to one side of the housing to form an insert backflow prevention device, the housing is formed on the front side so that the upper side protrudes from the lower side An inclined surface and coupling grooves formed on the upper side and the lower side of the inclined surface, and the opening and closing member is coupled by a shaft rod having both ends inserted into the coupling groove, and a pair of blades pivoting through the rotating portion to rotate backwards. It is the technical feature to be formed including the part.

본 발명에 의한 삽입식 역류방지장치가 구비된 수도계량기는 하우징(10)의 결합홈(12)에 개폐부재(20)에 결합된 축봉(23)의 밀착턱(23a)을 삽입하여 역류방지장치를 구성하고, 상기 역류방지장치를 수도계량기의 출수부(2) 내측에 형성된 단턱()에 밀착 삽입시키는 간단한 결합방식에 의해 수도계량기의 역류방지 기능을 구현할 수 있는 효과가 있다. Water meter equipped with a non-return type reverse flow prevention device according to the present invention by inserting the close contact 23a of the shaft bar 23 coupled to the opening and closing member 20 in the coupling groove 12 of the housing 10 to prevent the back flow And it is possible to implement the backflow prevention function of the water meter by a simple coupling method of inserting the backflow prevention device in close contact with the step () formed inside the water outlet (2) of the water meter.

또한, 상기 역류방지장치는 일측에 경사면(11)을 형성하고, 상기 경사면(11)에 힌지 구조의 개폐부재(20)를 설치하여, 출수가 없는 경우 날개부(21)의 자체의 중량에 의해 닫힌 상태를 유지하는 간단한 구조로 이루어져 제조비용이 절감되고 사용 중 고장이 발생할 염려가 없을 뿐만이 아니라, 삽입 결합방식으로 이루어져 유지관리가 더욱 용이한 효과가 있다.In addition, the backflow prevention device forms an inclined surface 11 on one side, and installs the opening and closing member 20 of the hinge structure on the inclined surface 11, by the weight of the wing portion 21 itself when there is no water discharge It is made of a simple structure that maintains a closed state to reduce the manufacturing cost and there is no fear of failure during use, as well as an insertion coupling method, the maintenance is easier.

본 발명의 바람직한 실시 예를 첨부된 도면을 통해 상세히 설명한다.Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명에 의한 역류방지장치가 삽입 결합되는 수도계량기를 개략적으로 나타낸 사시도이고, 도 2는 도 1의 정단면을 개략적으로 나타낸 사시도이고, 도 3은 도 1의 출수부 측에 삽입 결합되는 역류방지장치를 개략적으로 나타낸 사시도이고, 도 4는 도 3의 측면도이고, 도 5는 도 3의 역류방지장치의 날개부를 분해 도시한 사시도이고, 도 6은 1쌍의 날개부가 축봉에 의해 결합되어 열림 또는 닫힘 상태로 작동되는 것을 개략적으로 나타낸 동작상태도이고, 도 7은 도 3의 역류방지장치가 삽입 결합된 수도계량기를 도시한 정단면도이다.1 is a perspective view schematically showing the water meter is inserted and coupled to the backflow prevention device according to the present invention, Figure 2 is a perspective view schematically showing the front end of Figure 1, Figure 3 is inserted and coupled to the outlet side of Figure 1 4 is a side view of FIG. 3, FIG. 5 is an exploded perspective view of the wing of the backflow prevention device of FIG. 3, and FIG. 6 is a pair of wing portions coupled by shafts. FIG. 7 is a schematic sectional view showing a water meter with a backflow prevention device of FIG. 3 inserted and coupled thereto.

일반적으로, 도 1에 도시된 바와 같이 수도계량기(1)에는 수도관과 연결되어 수돗물을 유입하는 입수부(2)와, 이 수돗물이 수도계량기(1)의 내부에 설치된 계측기를 거쳐 외부로 배출될 수 있도록 출수부(3)가 형성되어 있으며, 본 발명에서는 이에 더하여 출수부측 내부에 후술하는 단턱이 더 구비된다. In general, as shown in FIG. 1, the water meter 1 is connected to a water pipe and receives an inlet portion 2 for introducing tap water, and the tap water is discharged to the outside through a measuring instrument installed in the water meter 1. The water extraction part 3 is formed so that it may be provided, and in this invention, the step mentioned later is further provided in the water extraction part side.

즉, 도 2에 도시된 바와 같이, 본 발명의 삽입식 역류방지장치가 구비된 수도계량기는 출수부(3)의 내측에 형성된 역류방지장치가 밀착 결합될 수 있도록 경사진 형태(경사면에 대응하는 기울기를 갖는다)로 단턱(4)이 구비되는데, 상기 단턱(4)에는 도 7에 도시된 바와 같이 누수방지를 위한 패킹부재(30)가 설치되고, 상기 패킹부재(30)에 하우징(10)의 경사면(11)을 긴밀히 밀착시켜 결합시키는 것이 바람직하다. That is, as shown in Figure 2, the water meter with an insertion-type backflow prevention device of the present invention is inclined shape (corresponding to the inclined surface so that the backflow prevention device formed on the inside of the water extraction unit 3 can be closely coupled A step 4 is provided, and the step 4 is provided with a packing member 30 for preventing leakage, as shown in FIG. 7, and the housing 10 at the packing member 30. It is preferable to closely contact the inclined surface 11 of.

한편, 상기 수도계량기의 내측에 삽입되는 본 발명의 역류방지장치는 도 3에 도시된 바와 같이, 유체가 내측으로 이동하는 원통 형상의 하우징(10)과, 상기 하우징(10)의 전면에 개폐할 수 있게 결합된 개폐부재(20)를 포함하여 구성된다. On the other hand, the backflow prevention device of the present invention inserted into the inside of the water meter, as shown in Figure 3, the cylindrical housing 10, the fluid is moved inward and the opening and closing on the front of the housing 10 It is configured to include an opening and closing member 20 that can be coupled.

상기 하우징(10)은 도 4에서 도시된 것처럼 하측보다 상측이 돌출된 경사 면(11)이 전면에 형성되어 있으며, 상기 경사면(11)의 상측과 하측에는 결합홈(12)이 각각 형성되어 있는데, 회동식 힌지 구조를 갖는 1쌍의 날개부(21)를 결합시키는 축봉(23)의 양측 선단이 상기 결합홈(12)에 끼움 결합된다.As shown in FIG. 4, the housing 10 has an inclined surface 11 protruding upward from a lower side thereof, and a coupling groove 12 is formed at an upper side and a lower side of the inclined surface 11, respectively. Both ends of the shaft bar 23 for coupling the pair of wings 21 having a pivoting hinge structure are fitted to the coupling groove 12.

이때, 상기 축봉(23)의 양측 선단에는 결합홈(12)에 밀착 삽입될 수 있도록 평편하게 가공된 밀착턱(23a)이 형성되는 것이 바람직하다. At this time, it is preferable that the contact jaw (23a) is flatly processed to be inserted in close contact with the coupling groove 12 at both ends of the shaft bar (23).

또한, 상기 개폐부재(20)를 이루는 날개부(21)는 도 5에 도시된 바와 같이 일측에는 회전부(22)가 설치되고, 상기 회전부의 일측에 회전방향제어돌기(도면부호미표시)가 설치되며, 상기 날개부(21)는 축봉(23)을 중심으로 항상 일측 방향으로만 회전되는 구조로 이루어져 있는데, 이는 종래의 일반적인 힌지구조이므로 이하 구체적인 추가 설명은 생략한다. In addition, the wing portion 21 forming the opening and closing member 20, as shown in Figure 5, the rotating portion 22 is installed on one side, the rotation direction control projection (not shown) on one side of the rotating portion is installed , The wing portion 21 is made of a structure that is always rotated in one direction only around the shaft 23, this is a conventional general hinge structure, so the following detailed description will be omitted.

즉, 상기 날개부(21)는 화살표 방향, 즉 날개부(21)의 배면 측에 결합된 축봉(23)을 중심으로 후방으로 회동하며 전방으로는 더 이상 회동을 할 수 없게 되어, 본 발명에서 요구되는 역류방지 기능을 구현하게 된다. That is, the wing portion 21 is rotated to the rear in the direction of the arrow, that is, the axial rod 23 coupled to the back side of the wing portion 21 and can no longer rotate forward, in the present invention Implement the required backflow prevention function.

이로 인해 본 발명에 의한 역류방지장치는 도 6에 도시된 바와 같이 하우징(20)의 일측에 경사면(11)에 설치된 힌지 구조의 개폐부재(20)가, 출수(出水)가 없는 경우 날개부(21)의 자체의 중량에 의해 닫힘 상태를 유지하게 되며, 출수(出水)가 있는 경우 수압에 의해 열림 상태를 유지하게 된다. For this reason, the backflow prevention device according to the present invention has a hinge structure having the hinge structure installed on the inclined surface 11 at one side of the housing 20, as shown in FIG. 21) to maintain the closed state by the weight of its own, and if there is water discharge (出水) is to maintain the open state by hydraulic pressure.

이에 따라 사용자가 수도밸브를 열게 되면 입수부(2)를 통해 수돗물이 유입 되면서 이 압력에 의해 후방으로 회동하는 날개부(21)가 역류방지장치를 개방하여 하우징(10)의 내측으로 수돗물이 통과할 수 있도록 한다.Accordingly, when the user opens the water valve, tap water flows in through the inlet part 2, and the wing part 21 pivoting backward by this pressure opens the backflow prevention device so that the tap water passes through the inside of the housing 10. Do it.

반면에 사용자가 수도밸브를 잠그게 되면 경사면(11)에 비스듬히 결합된 개폐부재(20)의 날개부(21)가 자중(자체중량)에 의해 전방으로 회동하게 되어 역류방지장치가 밀폐되고, 이에 따라 출수부(3)로 수돗물이 역류하는 것을 방지할 수 있다.On the other hand, when the user locks the water valve, the wing portion 21 of the opening and closing member 20, which is obliquely coupled to the inclined surface 11, rotates forward by its own weight (self-weight), thereby preventing the backflow prevention device. Accordingly, the tap water can be prevented from flowing back to the water outlet 3.

이와 같이 구성된 본 발명의 삽입식 역류방지장치는 도 7에 도시된 바와 같이 수도계량기(1)의 출수(3)측에 형성된 단턱(4)에 패킹부재(30)를 부가하여 기밀성을 향상시킬 수 있으며, 수도계량기 이외에 다양한 설비에 설치되어 유체의 역류를 방지할 수 있음은 물론이다. Insertion type backflow prevention device of the present invention configured as described above can improve the airtightness by adding the packing member 30 to the step (4) formed on the water outlet (3) side of the water meter 1 as shown in FIG. In addition, it can be installed in various facilities in addition to the water meter to prevent the back flow of the fluid.

상기와 같은 본 발명은 상술한 특정의 실시 예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변경 실시가 가능할 것이다.The present invention as described above is not limited to the above-described specific embodiments, and any person having ordinary skill in the art to which the present invention pertains may make various changes without departing from the gist of the present invention as claimed in the claims. will be.

도 1은 본 발명에 의한 역류방지장치가 삽입 결합되는 수도계량기를 개략적으로 나타낸 사시도, 1 is a perspective view schematically showing a water meter in which the backflow prevention device according to the present invention is inserted and coupled;

도 2는 도 1의 정단면을 개략적으로 나타낸 사시도, 2 is a perspective view schematically showing the front cross-section of FIG.

도 3은 도 1의 출수부 측에 삽입 결합되는 역류방지장치를 개략적으로 나타낸 사시도, 3 is a perspective view schematically showing a non-return device inserted and coupled to the outlet portion of FIG. 1;

도 4는 도 3의 측면도, 4 is a side view of FIG. 3;

도 5는 도 3의 역류방지장치의 날개부를 분해 도시한 사시도, 5 is an exploded perspective view of the wing of the backflow prevention apparatus of FIG. 3;

도 6은 1쌍의 날개부가 축봉에 의해 결합되어 열림 또는 닫힘 상태로 작동되는 것을 개략적으로 나타낸 동작상태도, 6 is an operating state diagram schematically showing that the pair of wing portions are coupled by an axial rod to be operated in an open or closed state,

도 7은 도 3의 역류방지장치가 삽입 결합된 수도계량기를 도시한 정단면도.Figure 7 is a front sectional view showing a water meter inserted and coupled to the backflow prevention device of FIG.

< 도면의 주요부분에 대한 부호의 설명 ><Description of Symbols for Major Parts of Drawings>

10 : 하우징 11 : 경사면10 housing 11 inclined surface

12 : 결합홈 12: coupling groove

20 : 개폐부재 21 : 날개부20: opening and closing member 21: wing

22 : 회전부 23 : 축봉22: rotating part 23: shaft

23a: 밀착턱 30 : 패킹부재23a: close contact 30: packing member

Claims (3)

수도관과 연결되어 수돗물을 유입하는 입수부와, 유입된 수돗물이 내부에 설치된 계측기를 거쳐 외부로 배출될 수 있도록 출수부가 형성된 수도계량기에 있어서,In the water meter connected to the water pipe and the water inlet portion is formed so that the tap water flowing in and the water outlet is discharged to the outside through the measuring instrument installed therein, 상기 출수부(3)의 내측에 삽입될 수 있도록 원통형상을 이루는 하우징과(10), 상기 하우징의 일측에 결합되는 개폐부재(20)를 포함하여 삽입식 역류방지장치를 구성하되, Comprising the insertion-type backflow prevention device including a housing 10 and the opening and closing member 20 coupled to one side of the housing to form a cylindrical shape so that it can be inserted into the water outlet (3), 상기 하우징(10)은 하측보다 상측이 돌출되도록 전면에 형성된 경사면(11)과, 상기 경사면(11)의 상측과 하측에 형성된 결합홈(12)이 구비되고, The housing 10 is provided with an inclined surface 11 formed on the front surface so that the upper side than the lower side, a coupling groove 12 formed on the upper side and the lower side of the inclined surface 11, 상기 개폐부재(20)는 양측 선단이 결합홈(12)에 삽입 결합되는 축봉(23)과, 회전부(22)를 관통하는 축봉(23)에 의해 결합되어 후방으로 회동하는 1쌍의 날개부(21)를 포함하여 형성되는 것을 특징으로 하는 삽입식 역류방지장치가 구비된 수도계량기.The opening and closing member 20 is coupled to the shaft rod 23, both ends of which are inserted into the coupling groove 12, and a pair of wing portions rotated to the rear by being coupled by the shaft rod 23 penetrating the rotating portion 22 ( 21) A water meter with an insert backflow prevention device, characterized in that it is formed, including. 제 1항에 있어서, The method of claim 1, 상기 축봉(23)의 양측 선단에는 결합홈(12)에 밀착 삽입될 수 있도록 밀착턱(23a)이 형성되는 것을 특징으로 하는 삽입식 역류방지장치가 구비된 수도계량기.Both sides of the shaft bar 23 is a water meter with an insertion type backflow prevention device, characterized in that the contact jaw (23a) is formed to be in close contact with the coupling groove (12). 제 1항에 있어서, The method of claim 1, 상기 출수부(3)의 내측에는 하우징(10)의 경사면(11)이 밀착될 수 있도록 단턱(4)이 형성되며, 상기 경사면(11)에는 누수를 방지하기 위해 링 형상의 패킹부재(30)가 밀착 설치되는 것을 특징으로 하는 삽입식 역류방지장치가 구비된 수도계량기.The stepped portion 4 is formed inside the water outlet 3 so that the inclined surface 11 of the housing 10 may be in close contact, and the inclined surface 11 has a ring-shaped packing member 30 to prevent leakage. Water meter with an insert backflow prevention device, characterized in that the close installation.
KR1020090027770A 2009-03-31 2009-03-31 Water gauge within insert type non-return apparatus KR100908841B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100954381B1 (en) * 2009-08-14 2010-04-26 손정미 Water gauge within insert type non-return apparatus
KR101228687B1 (en) * 2011-03-21 2013-02-01 이승용 A meter is water supply
CN113932874A (en) * 2021-09-10 2022-01-14 宁波市埃美仪表制造有限公司 Plastic water meter case and production process thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61135070A (en) 1984-12-05 1986-06-23 Matsushita Electric Ind Co Ltd Enclosed type alkali storage cell
JPH07286873A (en) * 1994-04-20 1995-10-31 Taiyo Valve Seisakusho:Kk Flow rate detector
KR200417958Y1 (en) 2006-02-06 2006-06-07 한국아이치 주식회사 The water gauge of the reverse current prevention door hinge,

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61135070A (en) 1984-12-05 1986-06-23 Matsushita Electric Ind Co Ltd Enclosed type alkali storage cell
JPH07286873A (en) * 1994-04-20 1995-10-31 Taiyo Valve Seisakusho:Kk Flow rate detector
KR200417958Y1 (en) 2006-02-06 2006-06-07 한국아이치 주식회사 The water gauge of the reverse current prevention door hinge,

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100954381B1 (en) * 2009-08-14 2010-04-26 손정미 Water gauge within insert type non-return apparatus
KR101228687B1 (en) * 2011-03-21 2013-02-01 이승용 A meter is water supply
CN113932874A (en) * 2021-09-10 2022-01-14 宁波市埃美仪表制造有限公司 Plastic water meter case and production process thereof
CN113932874B (en) * 2021-09-10 2024-01-26 宁波市埃美仪表制造有限公司 Plastic water meter case and production process

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