KR101585381B1 - Water meter for preventing from freezing-destruction with gear set portecting cover - Google Patents

Water meter for preventing from freezing-destruction with gear set portecting cover Download PDF

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Publication number
KR101585381B1
KR101585381B1 KR1020150079750A KR20150079750A KR101585381B1 KR 101585381 B1 KR101585381 B1 KR 101585381B1 KR 1020150079750 A KR1020150079750 A KR 1020150079750A KR 20150079750 A KR20150079750 A KR 20150079750A KR 101585381 B1 KR101585381 B1 KR 101585381B1
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KR
South Korea
Prior art keywords
gear set
water
reduction gear
outer shell
unit
Prior art date
Application number
KR1020150079750A
Other languages
Korean (ko)
Inventor
김중규
Original Assignee
경성제닉스(주)
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Priority to KR1020150079750A priority Critical patent/KR101585381B1/en
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Publication of KR101585381B1 publication Critical patent/KR101585381B1/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
    • G01F15/10—Preventing damage by freezing or excess pressure or insufficient pressure
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/06—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects using rotating vanes with tangential admission
    • G01F1/07—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects using rotating vanes with tangential admission with mechanical coupling to the indicating device
    • 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

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)

Abstract

Since the gear set protection cover is provided around the reduction gear unit, the rust or foreign matter is prevented from entering the reduction gear unit and the reduction gear unit is broken, and the transparency of the transparent plate stacked on the flow rate display unit can be maintained for a long time, To a freeze protection water meter equipped with a gear set protection cover which can prevent the occurrence of freezing accidents of components including the reduction gear unit in the winter season as the internal receiver capacity of water is reduced by the gear set protection cover surrounding the fishermen.
The anti-freeze water meter equipped with the gear set protection cover according to the present invention comprises: a lower outer shell body having an inlet pipe connected to one side and an outlet pipe connected to the other side and a receiving space formed therein; A water flow generating unit installed at a lower portion of the lower outer shell to allow tap water introduced from the inlet pipe to flow through the inlet hole and to exit the outlet pipe through the outlet hole to rotate the impeller; And a metering needle provided on an upper portion of the reduction gear unit and interlocked with the reduced rotation of the reduction gear unit is rotated on a display plate to generate a flow rate A transparent plate which is laminated on the flow display section and protects the display panel, An upper outer shell body which is coupled to the lower outer shell and grips the transparent plate and has an open / close cover at an upper portion thereof, and an upper outer shell body which is installed around the gear sets of the lower end of the reduction gear unit and in which rust or foreign matter flows into the multi- And a gear set protection cover which reduces the internal acceptance of water.

Description

TECHNICAL FIELD [0001] The present invention relates to a freeze prevention water meter equipped with a gear set protection cover,

The present invention relates to a water meter, and more particularly, to a water meter that includes a gear set protection cover around a reduction gear unit to prevent rust or foreign matter from entering the reduction gear unit and reduce the internal receiver capacity of the water, To a frost preventing water meter equipped with a gear set protection cover to prevent a frost accident.

Generally, a water meter is installed in home and industrial facilities to measure the usage state of water supplied by independent individuals, and to calculate and charge the usage fee according to the amount of the water.

In the water meter, the tap water introduced from the inlet pipe normally enters the water forming section through the inlet hole, passes through the outlet hole, and is discharged to the outlet pipe, and rotates the impeller. The rotation of the impeller is transmitted to the speed reducer And the numerical display panel of the display unit positioned above the reduction gear unit finally displays the flow rate of the water and can be confirmed through the display window of the transparent material.

An example of such a water meter is disclosed in Korean Patent Registration No. 10-1348819 (registered on December 31, 2013), a lower outer shell body having an inlet pipe connected to one side and an outlet pipe connected to the other side, A water generating unit installed at a lower portion in the receiving space of the lower outer shell and rotated by the flow of water flowing in from the inlet pipe to the outlet pipe, A display unit installed on the upper portion and interlocked with the impeller of the water flow generating unit to display the flow rate, and an upper outer shell coupled to the lower outer shell and having an opening / closing cover for confirming the display unit, have.

The water meter installed between the inlet piping and the outlet piping has a water pressure of at least 1.5 kgf / ㎠ to a maximum of 12 kgf / ㎠ so as to smoothly supply the tap water supplied through the water pipe embedded in the underground to the home or industrial facility The water is introduced into the space inside the display unit as well as the reducer unit.

In this case, foreign matter such as rust contained in tap water or sand introduced in the tap water is caught in the reducer fisher part, resulting in damage to the reducer fisher part.

In winter, when the temperature drops suddenly to zero and the water filled in the inlet piping and the outlet piping is frozen, the water filled in the internal space of the water meter becomes stagnant, and the stagnant water starts to freeze immediately. The process of phase change from the liquid to the solid ice filled in the inlet piping and the outlet piping and the water meter necessarily involves volume expansion, but the outer shell of the water meter, which accommodates the water flow forming part, There is a problem that the internal components of the reducer, the display panel, the display window, and the like may be damaged during the process of forming the ice due to the inability to expand according to the volume expansion accompanying the phase change.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the problems of the conventional art described above, and it is an object of the present invention to provide a gear set protection cover around a reduction gear unit to prevent an accident that rust or foreign matter flows into the reduction gear unit, The present invention is based on the object of providing a freezing prevention water meter equipped with a gear set protection cover which allows the transparency of a transparent plate to be laminated on a surface to be maintained for a long time.

The present invention also provides a frost preventing water meter equipped with a gear set protection cover which can prevent a frost accident of parts including the reduction gear unit in the winter season as the internal receiver capacity of water is reduced by the gear set protection cover surrounding the reduction gear unit Based on the task to be provided.

The above object of the present invention is achieved by an air conditioning system comprising a lower outer shell body having an inlet pipe connected to one side and an outlet pipe connected to the other side and a receiving space formed therein, A water flow generating unit for flowing the introduced tap water through the inflow hole and passing through the outflow hole to the outlet pipe to rotate the impeller and a water supply unit installed at the upper part of the water flow generating unit in the accommodation space of the lower outer shell, A flow rate display unit which is disposed on the upper side of the reduction gear unit and displays a flow rate on the display plate while being rotated on the display plate in conjunction with the reduction rotation of the reduction gear unit; A transparent plate laminated on the lower outer shell to protect the display panel, An upper outer shell provided with an opening and closing cover at an upper portion thereof for gripping the rate and a cover provided around the multi-stage gear set of the reduction gear unit for preventing the entry of rust or foreign matter into the multi-stage gear set, And an anti-freeze water meter equipped with a gear set protective cover, characterized in that it comprises a gear set protective cover.

According to a preferred aspect of the present invention, the reduction gear unit includes a multi-stage gear set interlocked with the impeller of the water flow generating unit, a lower housing in which the lower ends of the multi-stage gear set are arranged, And the shaft top of the multi-stage gear set is arranged, and the gear set protective cover is interposed between the lower housing and the upper housing of the reduction gear unit.

According to a preferred feature of the present invention, the gear set protective cover is divided into a lower cover member and an upper cover member which are mutually assembled.

According to a preferred aspect of the present invention, the upper surface of the lower cover member and the lower surface of the upper cover member are provided with coupling projections and coupling grooves that correspond to each other.

According to a preferred feature of the present invention, a metering needle protection plate is interposed between the display plate of the flow rate display unit and the transparent plate so as to surround the metering needle of the flow rate display unit to prevent foreign matter from entering and reduce the internal receptor of water .

According to a preferred aspect of the present invention, a metering immersion groove is formed in the lower surface of the metering needle protection plate so that the metering needle of the flow rate indicator can be received.

According to the anti-freeze water meter equipped with the gear set protection cover according to the present invention, as the multi-stage gear set constituting the reduction gear unit is surrounded by the gear set protection cover, Foreign matter such as sand flows into the gear set of the multi-stages of the gear reducer to prevent the damage of the multi-stage gear set, and at the same time, transparency of the transparent plate stacked on the flow indicator can be maintained for a long time.

In addition, according to the frost preventing water meter equipped with the gear set protection cover according to the present invention, the gear set protective cover surrounding the multi-stage gear set of the reduction gear unit reduces the internal receiver capacity of water, There is an advantage that a frost accident can be prevented.

In addition, according to the frost protection meter equipped with the gear set protection cover according to the present invention, since the metering needle protection plate is interposed between the display plate of the flow rate display unit and the transparent plate to surround the metering needle of the flow rate display unit, It is prevented that rust and foreign matter are introduced into the rotating part and the possibility of the occurrence of the frost wave is minimized by reducing the internal receptor of water.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of an anti-freeze water meter equipped with a gear set protection cover according to an embodiment of the present invention; FIG.
2 is a cross-sectional view of a frost protection meter with a gear set protection cover according to one embodiment of the present invention.
FIG. 3 is a detailed structural view of a reduction gear unit and a gear set protection cover in a freeze protection water meter equipped with a gear set protection cover according to an embodiment of the present invention. FIG.
FIG. 4 is a detailed exploded perspective view of a reduction gear unit and a gear set protection cover in a freeze preventing water meter having a gear set protection cover according to an embodiment of the present invention. FIG.
FIG. 5 is a detailed structural view of a metering needle protection plate in a freeze protection water meter equipped with a gear set protection cover according to an embodiment of the present invention; FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It is to be understood that the same is by way of illustration and example only and is not to be taken by way of limitation, the scope of the present invention being limited only by the terms of the appended claims.

As shown in FIGS. 1 to 5, an anti-freeze water meter 1 having a gear set protection cover according to an embodiment of the present invention includes an inlet pipe connected to one side and an outlet pipe connected to the other side, And the tap water flowed from the inlet pipe is introduced through the inflow hole 21 into the lower outer shell body 10 and the lower outer shell body 10, A water flow generating part 20 for rotating the impeller 25 while passing through the outflow hole 23 to the outlet pipe and a water flow generating part 20 for rotating the impeller 25 in the upper part of the water flow generating part 20 in the accommodation space 11 of the lower outer shell 10 A reduction gear unit 30 provided on the reduction gear unit 30 and formed in a multi-stage gear set interlocked with the impeller 25 of the water flow generating unit 20, A flow rate display section 40 for displaying the flow rate while the interlocking metering needle 43 is rotated on the display panel 41, A transparent plate 50 which is laminated on the upper portion 40 and protects the display panel 41 and a transparent plate 50 which is coupled to the lower outer shell 10 while holding the transparent plate 50, And a gear set protection cover 70 installed around the reduction gear unit 30 to prevent rust or foreign matter from entering the reduction gear unit 30 and to reduce the internal receiver capacity of water.

Here, the lower outer shell 10 is a constituent member forming the lower housing of the anti-freeze water meter 1 equipped with the gear set protective cover according to an embodiment of the present invention.

An inlet pipe (not shown) connected to the water pipe is connected to one side of the lower outer shell 10, and an outlet pipe (not shown) connected to the water pipe is connected to the other side of the lower outer shell 10 . In the interior of the lower outer shell 10, a water generating unit 20, a reduction gear unit 30, and the like are built in, and a receiving space 11 communicating with the inlet pipe and the outlet pipe is formed.

The lower outer shell 10 may have various shapes including a cylindrical shape, a jar shape, and the like.

A water flow generating unit 20 is installed in a lower portion of the accommodation space 11 of the lower outer shell body 10 and has a vertical axis shape So that a water flow for rotating the impeller 25 of the impeller 25 is formed.

The water flow generating unit 20 has a structure in which tap water introduced from an inlet pipe enters through an inflow hole 21 on the lower side and passes through an outflow hole 23 on the upper side to the outlet pipe and rotates the impeller 25 .

The water flow generating unit 20 includes a lower body shell having an inflow hole 21 formed at the lower side thereof and an outflow hole formed at the upper side thereof and a rotatable body 20 which is rotated by the water flow entering through the inflow hole 21 and discharged through the outflow hole 23, And an upper inner shell enclosing an upper portion of the impeller 25 integrally formed on a lower shell of the lower shell. The wing of the impeller 25 is accommodated in the lower shell of the lower shell.

The reduction gear unit 30 is installed on the upper portion of the water flow generating unit 20 in the accommodation space 11 of the lower outer shell 10. The reduction gear unit 30 includes an impeller 25 to decelerate the rotation of the display unit 40 and transmit a rotational force for metering display.

The reduction gear unit 30 includes a multi-stage gear set 31 interlocked with the impeller 25 of the water flow generating unit 20, a lower housing 33 in which the lower ends of the multi-stage gear set 31 are arranged, And an upper housing 35 coupled by a support leg 35a to be spaced apart from the housing 33 and in which the shaft ends of the multi-stage gear sets are arranged.

The reduction gear unit 30 is formed in a structure in which the lower housing 33 and the upper housing 35 are detachably coupled to each other through the support leg 35a so that the gear set protection cover 70, And can be installed to surround the multi-stage gear set 31 interposed between the housing 33 and the upper housing 35,

The display unit 40 is disposed above the reduction gear unit 30. The display unit 40 is a component that interlocks with the reduced rotation of the reduction gear unit 30 to display the flow rate.

The display unit 40 includes a display plate 41 with various graduations and a metering needle (not shown) that rotates in conjunction with the upper end of the shaft of the multi-stage gear set 31 of the reduction gear unit 30 and indicates one of the scales on the display plate 41 43).

A transparent plate 50 is laminated on the display unit 40. The transparent plate 50 not only serves as a transparent plate for protecting the display plate 41 but also protects the hermeticity of the glycerin 45 It is a constituent member that plays a role.

The transparent plate 50 may be made of general glass or synthetic resin, but it is particularly preferable that the transparent plate 50 is made of polycarbonate (PC) resin or ABS (Acrylonitrile Butadiene Styrene) resin which is strong enough to be strong against the freeze wave.

The upper outer shell body 60 is coupled to the lower outer shell body 10 by, for example, a screw coupling or the like. The upper outer shell body 60 is connected to the lower outer shell body 10 by means of a fastener 60 with a gear set protective cover according to an embodiment of the present invention. Preventing water meter (1).

The upper outer shell body 60 is formed by a ring-shaped body having a function of holding the transparent plate 50 and tightly coupling the lower outer shell body 10, particularly the display unit 40, An opening / closing cover 61 for external exposure is hinged to be openable / closable. A fixing ring 63 for holding the transparent plate 50 is provided on the inner side of the upper outer shell 60.

A gear set protection cover 70 is interposed between the lower housing 31 and the upper housing 33 of the reduction gear unit 30 described above and this gear set protection cover 70 surrounds the multi- So that the rust or foreign matter is prevented from flowing into the gear set 31 of the multi-stage of the speed reducer unit 30 and the internal space of the water reducer unit 30 is filled to reduce the volume of internal water of the water, So that it is possible to prevent freezing of the components including the reduction gear unit 30 due to minimization.

The gear set protection cover 70 is divided into a lower cover member 71 and an upper cover member 73 that can be assembled on and under the multi-stage gear set 31 so as to completely enclose the multi-stage gear set 31 desirable. A coupling protrusion 71a is formed on the upper surface of the lower cover member 71 and a coupling protrusion 71a is formed on the lower surface of the upper cover member 73 for the mutual assembly of the lower cover member 71 and the upper cover member 73. [ The engaging groove 73a is formed. The gear accommodating grooves 71b and 73b are formed on the upper surface of the lower cover member 71 and the lower surface of the upper cover member 73 such that gears of the multi-stage gear set 31 are accommodated by mutual engagement.

The gear set protection cover 70 may be made of general synthetic resin or silicone resin, but is preferably made of a polycarbonate (PC) resin or an ABS (Acrylonitrile Butadiene Styrene) resin having high strength to the strength of the freeze.

The metering needle protection plate 80 may be interposed between the display plate 41 of the flow rate display unit 40 and the transparent plate 50. The metering needle protection plate 80 is provided on the flow display unit 40, And is a constituent member that surrounds the needles 43 to prevent rust and foreign substances from flowing into the rotating parts of the metering needles 43 and to reduce the internal receptor of water.

On the lower surface of the metering needle protection plate 80, a metering water immersion groove 81 capable of accommodating the metering needle 43 of the flow rate display unit 40 is formed in an upward direction.

The metering needle protection plate 80 is formed of a transparent plate so that the scale of the display plate 41 and the metering needle 43 can be easily recognized. Such a transparent plate can be made of general synthetic resin or silicone resin, (PC) resin or ABS (Acrylonitrile Butadiene Styrene) resin excellent in strength so as to be strong.

In the case of the frost preventing meter 1 having the gear set protection cover according to the embodiment of the present invention as described above, the multi-stage gear set 31 constituting the reduction gear unit 30 is provided in the gear set protection cover Foreign matter such as sand or the like that has been drawn in from the inner wall of the pipe due to rust or water flowing in the water intake process flows into the gear set 31 of the multi-stage of the reduction gear unit 30, And the transparency of the transparent plate 50 stacked on the flow display unit 40 can be maintained for a long period of time.

In the case of the anti-freeze water meter 1 equipped with the gear set protection cover according to the embodiment of the present invention, the gear set protection cover 70 surrounding the multi-stage gear set 31 of the reduction gear unit 30, It is possible to prevent the components including the speed reducer unit 30 from being frozen due to a decrease in the amount of volume expansion which is increased during freezing of the winter season as the internal receptor of the water is reduced.

In addition, in the case of the frost preventing meter 1 having the gear set protection cover according to the embodiment of the present invention, the metering needle protection plate 40 is provided between the display plate 41 of the flow rate display unit 40 and the transparent plate 50, The inside of the metering needle 43 of the flow rate display unit 40 is prevented from being introduced into the rotating part of the metering needle 43 and the durability is improved and the internal receiver volume of water is reduced Accordingly, as the amount of volume expansion increases during freezing of winter season, the possibility of frost damage can be minimized.

It is to be understood by those skilled in the art that the present invention may be embodied in many other forms without departing from the spirit and scope of the invention, It is therefore intended that the above-described embodiments be considered as illustrative rather than restrictive, and that all implementations within the scope of the appended claims and their equivalents are intended to be included within the scope of the present invention.

1: water meter
10: lower outer shell
11: accommodation space
20:
21: Inflow ball
23: Spillway
25: Impeller
30: Reducer fisher
31: Multi-stage gear set
33: Lower housing
35: upper housing
35a: support leg
40: Flow rate indicator
41: Display panel
43: Measuring needle
50: transparent plate
60: upper outer shell
61: opening / closing cover
70: Gear set protective cover
71: Lower cover member
71a:
71b: Gear receiving groove
71: upper cover member
73a: coupling groove
73b: Gear receiving groove
80: Measuring needle protection plate
81: Weighing immersion system

Claims (6)

A lower outer shell (10) having an inlet pipe connected to one side and an outlet pipe connected to the other side and a receiving space (11) formed therein;
The tap water installed in the lower portion of the receiving space 11 of the lower outer shell 10 enters the inlet pipe 21 through the inlet hole 21 and escapes to the outlet pipe through the outlet hole 23, A water flow generating unit (20) for rotating the water supply unit (25);
A multistage gear set 31 provided at an upper portion of the water flow generating portion 20 in the receiving space 11 of the lower outer shell 10 and interlocked with the impeller 25 of the water flow generating portion 20 A reduction gear unit 30 formed;
A flow rate indicator 40 disposed above the reduction gear unit 30 and displaying a flow rate while the metering needle 43 interlocked with the reduced rotation of the reduction gear unit 30 is rotated on the display panel 41;
A transparent plate (50) stacked on the flow indicator (40) and protecting the display panel (41);
An upper outer shell 60 which is coupled to the lower outer shell 10 and grasps the transparent plate 50 and has an opening / closing cover 61 at an upper portion thereof; And
A gear set protection cover 70 installed around the multi-stage gear set 31 of the reduction gear unit 30 to prevent rust or foreign matter from entering the multi-stage gear set 31 and to reduce the internal receptor of water ≪ / RTI &
The reduction gear unit 30 includes a multistage gear set 31 interlocked with the impeller 25 of the water flow generating unit 20 and a lower housing 33 in which the lower ends of the multi- And an upper housing (35) coupled by a support leg (35a) to be spaced apart from the lower housing (33) and in which the shaft tops of the multi - stage gear sets are arranged,
The gear set protection cover 70 is interposed between the lower housing 33 and the upper housing 35 of the reduction gear unit 30,
The gear set protection cover 70 is divided and formed into a lower cover member 71 and an upper cover member 73 that can be assembled on and under the multi-stage gear sets 31 so as to completely enclose the multi-stage gear set 31 ,
The upper surface of the lower cover member 71 and the lower surface of the upper cover member 73 are provided with coupling projections 71a and coupling grooves 73a,
The gear receiving grooves 71b and 73b are formed on the upper surface of the lower cover member 71 and the lower surface of the upper cover member 73 such that gears of the multi- Anti-freeze water meter equipped with a gear set protection cover.
The method according to claim 1,
The flow indicator 40 is interposed between the display plate 41 of the flow indicator 40 and the transparent plate 50 so as to surround the metering needle 43 of the flow indicator 40 and prevents the foreign matter from flowing, Further comprising an acupuncture protection plate (80). ≪ Desc / Clms Page number 13 >
The method of claim 2,
Wherein a metering water immersion groove (81) capable of accommodating the metering needle (43) of the flow rate indicator (40) is formed in the lower surface of the metering needle protection plate (80) Frozen water meter. delete delete delete
KR1020150079750A 2015-06-05 2015-06-05 Water meter for preventing from freezing-destruction with gear set portecting cover KR101585381B1 (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
KR1020150079750A KR101585381B1 (en) 2015-06-05 2015-06-05 Water meter for preventing from freezing-destruction with gear set portecting cover

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180039328A (en) * 2016-10-10 2018-04-18 현대자동차주식회사 Cross Fan Engine Room Air Blower Syatem
CN112161666A (en) * 2020-10-10 2021-01-01 曾新培 Water meter indicating mechanism of hydroelectric system based on Internet of things

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180039328A (en) * 2016-10-10 2018-04-18 현대자동차주식회사 Cross Fan Engine Room Air Blower Syatem
KR101866064B1 (en) 2016-10-10 2018-06-08 현대자동차주식회사 Cross Fan Engine Room Air Blower Syatem
US10221750B2 (en) 2016-10-10 2019-03-05 Hyundai Motor Company Cross fan engine room air blower and related vehicle
CN112161666A (en) * 2020-10-10 2021-01-01 曾新培 Water meter indicating mechanism of hydroelectric system based on Internet of things
CN112161666B (en) * 2020-10-10 2024-05-10 常州市常科信息技术有限公司 Water meter indicating mechanism of hydroelectric system based on Internet of things

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