KR20150081676A - Pressure gauge coupler assembly for hydraulic machines - Google Patents

Pressure gauge coupler assembly for hydraulic machines Download PDF

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Publication number
KR20150081676A
KR20150081676A KR1020140001401A KR20140001401A KR20150081676A KR 20150081676 A KR20150081676 A KR 20150081676A KR 1020140001401 A KR1020140001401 A KR 1020140001401A KR 20140001401 A KR20140001401 A KR 20140001401A KR 20150081676 A KR20150081676 A KR 20150081676A
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KR
South Korea
Prior art keywords
pressure gauge
flow passage
valve
valve body
inlet
Prior art date
Application number
KR1020140001401A
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Korean (ko)
Other versions
KR101641631B1 (en
Inventor
김동범
Original Assignee
김동범
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Publication date
Application filed by 김동범 filed Critical 김동범
Priority to KR1020140001401A priority Critical patent/KR101641631B1/en
Publication of KR20150081676A publication Critical patent/KR20150081676A/en
Application granted granted Critical
Publication of KR101641631B1 publication Critical patent/KR101641631B1/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/14—Housings

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

The present invention relates to a coupler assembly of a pressure gauge for a hydraulic machine. The present invention comprises: a coupler main body having a pressure gauge installation device of one end and having a working fluid inlet of the other end and having a flow passage connecting the inlet and the installation device and having a valve jaw formed inside the flow passage; a sliding valve body received inside the flow passage to be slid between a blocking position where the sliding valve body is engaged with the valve jaw to block the flow passage and the allowance position where the sliding valve body is spaced from the valve jaw to allow the flow passage to be opened and coming in contact with a pressure gauge to move to the allowance position when the pressure gauge is installed in the installation device; and a compression spring elastically push the valve body to the blocking position. Accordingly, the coupler assembly of a pressure gauge for a hydraulic machine has a simple structure to enable the valve body to be opened and closed in accordance with whether or not the pressure gauge is installed. Therefore, an additional operation is not required to provide an excellent effect.

Description

Technical Field The present invention relates to a pressure gauge coupler assembly for a hydraulic device,

The present invention relates to a pressure gauge coupler assembly for a hydraulic device.

In a hydraulic system used in various industrial fields such as ships and heavy equipment, a pressure gauge is installed in a place where a measurement is required to check whether the pressure of the working fluid is proper. To this pressure gauge, Respectively.

The pressure gauge coupling coupler is provided with a fluid flow path for transferring the working fluid from the measurement site to the pressure gauge and a valve mechanism for opening and closing the flow path.

However, in the conventional coupler, the coupling structure of the pressure gauge is relatively complicated, and the valve mechanism for selectively supplying the working fluid to the pressure gauge is complicated, and the durability is poor.

Accordingly, it is an object of the present invention to provide a pressure gauge coupler assembly for a hydraulic device in which a pressure gauge is easily detached and a working fluid is opened and closed with a relatively simple structure.

According to the present invention, there is provided a pressure gauge coupler assembly for a hydraulic device, comprising: a pressure gauge mounting port at one end; a working oil inlet at the other end; a flow passage communicating with the inlet and the mounting hole; A coupler body having a jaw; Wherein the pressure gauge is housed in the flow passage so as to be slidable between a cutoff position for intercepting the flow passage and a position permitting the flow passage to be spaced apart from the valve tab, A sliding valve body that contacts the gauge and moves to the permissible position; And a compression spring for resiliently biasing the valve body to the cut-off position.

Here, the flow passage has a first guide portion between the valve jaw and the inlet, and a second guide portion at a predetermined interval from the valve tuck, and the valve body has a conical portion slidable in the first guide portion And a tip extending portion which is slidable in the second guide portion and has a tip end capable of coming into contact with the pressure gauge.

It is further preferable that the extended portion has a circumferential channel groove and an axial channel portion communicated with the channel groove and opened toward the mounting hole.

It is preferable that the coupler main body has a first main body having the inlet and the flow passage, and a second main body detachably coupled to the first main body and having the mounting hole.

The first main body and the second main body are coupled to each other by a screw fastening part that is screwed along the longitudinal direction of the flow path.

The pressure gauge coupler assembly for a hydraulic device according to the present invention provides an excellent effect that a separate operation is unnecessary since the valve body is opened and closed in conjunction with whether or not the pressure gauge is mounted with a simple structure.

1 is a sectional view of a pressure gauge coupler assembly for a hydraulic device according to the present invention,
2 is a sectional view showing a state in which a pressure gauge is coupled.

Hereinafter, an embodiment of a pressure gauge coupler assembly for a hydraulic device according to the present invention will be described in detail with reference to the drawings.

1 is a cross-sectional view of a pressure gauge coupler assembly for a hydraulic device in accordance with the present invention. 1, the coupler main body 100 has an operating oil inlet port 111 at one end and a pressure gauge mounting port 121 at the other end, and is connected to the hydraulic oil inlet port 111 and the pressure gauge port 121 A flow passage 130 is formed along the axis. The coupler main body 200 is divided into a first main body portion 110 coupled to the hydraulic device side and a second main body portion 120 coupled to the pressure gauge 10 side.

The first main body 110 has a hydraulic oil inlet 111 coupled to the hydraulic machine to receive the hydraulic oil and a second main body 120 protruding along the axial direction at the other end, An insertion connection portion 115 is formed. In the first main body 110, a flow passage 130 penetrating along the axial direction is formed. The flow path 130 includes a first guide portion 112 in which the valve element 200 is received and a second guide portion 112 extending from the first guide portion 112 and having a passage having a diameter smaller than the diameter of the first guide portion 112 2 guiding unit 113. Fig. The valve guide 114 is formed at the entrance of the second guide portion 113 by the difference in diameter between the first guide portion 112 and the second guide portion 113.

The second body portion 120 has a pressure gauge mounting hole 121 at one end. The pressure gauge mounting hole 121 is formed with a female threaded portion for detachable engagement of the pressure gauge 10. The other end of the second body portion 120 is provided with a receiving connection portion 122 having a corresponding female threaded portion to be engaged with the insertion coupling portion 115 of the first body portion 110. The end of the second guide portion 113 of the first body portion 110 is opened inside the second body portion 120 so that the operating oil supplied through the second guide portion 113 can be transmitted.

A valve body 200 is accommodated in the first guide portion 112 of the first main body portion 110 so as to be slidable along the axial direction. The valve body 200 has a conical portion 210 whose sectional area is gradually reduced along the flow direction of the operating oil. The conical portion 210 is partially inserted into the first guide portion 112. In this state, the conical portion 210 of the valve body 200 is axially slidably engaged with the valve stem 114 to block the flow of the hydraulic fluid. A compression spring 300 for elastically biasing the valve body 200 in the closing direction is housed in the first guide portion 112. The end of the compression spring 300 on the working oil inlet 111 side is supported by the spring seating portion 400 and the spring seating portion 400 is prevented from being released to the outside by the retaining ring 410. As a result, the compression spring 300 constantly pressurizes the valve body 200 in the direction in which the valve stem 114 blocks.

On the other hand, the tip extension portion 220 is extended to the tip end portion of the valve body 200. The leading end extension portion 220 is formed with an axial passage portion 222 formed along the axial direction from the leading end and a passage groove 221 exposed radially from the axial passage portion 222. The hydraulic oil introduced into the first guide portion 112 through the hydraulic oil inlet 111 passes through the axial passage portion 222 and the hydraulic oil flow passage 222. Therefore, when the valve body 200 is retracted toward the inlet side against the elastic force of the compression spring 300, It can flow along the groove 221 to the distal end of the tip extension 220 of the valve body 200.

With the above-described structure, when the pressure gauge 10 is mounted on the coupler main body 100, the state as shown in FIG. 2 is obtained. A male screw is formed on the barrel portion 11 of the pressure gauge 10 and the barrel portion 11 is fastened to the female screw of the second body portion 120. When the bag 11 is completely fastened to the second main body 120, the end of the bag 11 presses the tip extension 220 of the valve body 200 in the second guide 113 . The valve body 200 is slid in the direction of the hydraulic oil inlet 111 against the elastic force of the compression spring 300 when the tip extension 220 is pressed by the handle 11 of the pressure gauge 10. Then, the conical upper portion 210 is separated from the valve jaw 114 to release the shut-off state of the flow path. The hydraulic fluid that has entered the hydraulic oil inlet 111 passes through the axial channel portion 222 of the tip extension portion 220 and the channel groove 221 of the tip extension portion 220 via the first guide portion 112, 11 into the measuring channel portion 12 formed therein. The pressure gauge 10 senses and displays the pressure of the delivered hydraulic fluid.

Pressure gauge: 10 pockets: 11
Measurement flow path: 12 Coupler Body: 100
First main body: 110 Operating oil inlet: 111
First guide portion: 112 Second guide portion: 113
Valve tuck: 114 Insertion connection: 115
Second body part: 120 Pressure gauge mounting part: 121
Receiving connection: 122 flow passage: 130
Valve body: 200 conical top: 210
Extension of the tip: 220 Euro Groove: 221
Axial line part: 222 Compression spring: 300
Spring seat: 400 Retaining ring: 410

Claims (5)

In a pressure gauge coupler assembly,
A coupler main body having a pressure gauge mounting port at one end, an operating oil inlet at the other end, a flow passage communicating with the inlet and the mounting hole, and a valve jaw formed in the flow passage;
Wherein the pressure gauge is housed in the flow passage so as to be slidable between a cutoff position for intercepting the flow passage and a position permitting the flow passage to be spaced apart from the valve tab, A sliding valve body that contacts the gauge and moves to the permissible position;
And a compression spring for resiliently biasing the valve body to the cut-off position. The method according to claim 1,
Wherein the flow passage has a first guide portion between the valve jaw and the inlet, and a second guide portion at a predetermined interval from the valve tack,
Wherein the valve body has a conical upper portion slidably movable in the first guide portion and a tip extension portion slidable in the second guide portion and having a tip end portion capable of coming into contact with the pressure gauge, assembly. The method of claim 2,
Wherein the extending portion has a circumferential channel groove and an axial channel portion communicating with the channel groove and opened toward the mounting hole. The method according to claim 1,
Wherein the coupler body has a first body portion having the inlet and the flow passage, and a second body portion detachably coupled to the first body portion and having the mounting hole. The method according to claim 1,
Wherein the first body portion and the second body portion are coupled to each other by a screw fastening portion that is screwed along the longitudinal direction of the flow path passage.
KR1020140001401A 2014-01-06 2014-01-06 Pressure gauge coupler assembly for hydraulic machines KR101641631B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020140001401A KR101641631B1 (en) 2014-01-06 2014-01-06 Pressure gauge coupler assembly for hydraulic machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020140001401A KR101641631B1 (en) 2014-01-06 2014-01-06 Pressure gauge coupler assembly for hydraulic machines

Publications (2)

Publication Number Publication Date
KR20150081676A true KR20150081676A (en) 2015-07-15
KR101641631B1 KR101641631B1 (en) 2016-07-21

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KR1020140001401A KR101641631B1 (en) 2014-01-06 2014-01-06 Pressure gauge coupler assembly for hydraulic machines

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112229564A (en) * 2020-10-10 2021-01-15 天长市志昊机电配件有限公司 Safety pressure gauge joint

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020073617A (en) * 2001-03-15 2002-09-28 주식회사 세아 Connecting adapter of preasure gauge
KR101021493B1 (en) * 2009-03-25 2011-03-16 대경기업(주) A test coupling
KR101089589B1 (en) * 2009-04-13 2011-12-05 주식회사 포스트쿨텍 Pressure gauge for test of airconditioner gas pipe
KR20120007191U (en) * 2011-04-11 2012-10-19 현대중공업 주식회사 Pressure gauge connector

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020073617A (en) * 2001-03-15 2002-09-28 주식회사 세아 Connecting adapter of preasure gauge
KR101021493B1 (en) * 2009-03-25 2011-03-16 대경기업(주) A test coupling
KR101089589B1 (en) * 2009-04-13 2011-12-05 주식회사 포스트쿨텍 Pressure gauge for test of airconditioner gas pipe
KR20120007191U (en) * 2011-04-11 2012-10-19 현대중공업 주식회사 Pressure gauge connector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112229564A (en) * 2020-10-10 2021-01-15 天长市志昊机电配件有限公司 Safety pressure gauge joint

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KR101641631B1 (en) 2016-07-21

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