KR20110083956A - Pipe connector valve for pressure test evaporator core - Google Patents

Pipe connector valve for pressure test evaporator core Download PDF

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Publication number
KR20110083956A
KR20110083956A KR1020100003951A KR20100003951A KR20110083956A KR 20110083956 A KR20110083956 A KR 20110083956A KR 1020100003951 A KR1020100003951 A KR 1020100003951A KR 20100003951 A KR20100003951 A KR 20100003951A KR 20110083956 A KR20110083956 A KR 20110083956A
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KR
South Korea
Prior art keywords
nozzle
core
valve
valve body
pressure injection
Prior art date
Application number
KR1020100003951A
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Korean (ko)
Other versions
KR101178900B1 (en
Inventor
김현철
Original Assignee
주식회사 고산
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to KR1020100003951A priority Critical patent/KR101178900B1/en
Priority to PCT/KR2011/000309 priority patent/WO2011087327A2/en
Publication of KR20110083956A publication Critical patent/KR20110083956A/en
Application granted granted Critical
Publication of KR101178900B1 publication Critical patent/KR101178900B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
    • B60H1/00557—Details of ducts or cables
    • B60H1/00571—Details of ducts or cables of liquid ducts, e.g. for coolant liquids or refrigerants
    • 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
    • G01L19/0007—Fluidic connecting means
    • G01L19/0015—Fluidic connecting means using switching means
    • 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
    • G01L19/0007—Fluidic connecting means
    • G01L19/003—Fluidic connecting means using a detachable interface or adapter between the process medium and the pressure gauge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2200/00—Prediction; Simulation; Testing

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

The present invention relates to a pressure test pipe connecting valve, the valve body is configured to rotate back and forth in the longitudinal direction of the valve body through the hook type of the hook is made of the engaging hook formed on the outer periphery of the core nozzle end of one side of the EVA core The purpose is to ensure that the tip of the core nozzle is firmly fixed to the tip of the nozzle hole of the valve. The present invention configured for this purpose is to connect the pressure injection device and the EVA core during the pressure test to test whether the EVA core is leaked so that the test water or air or helium gas is injected into the interior of the EVA core from the pressure injection device. A pressure test pipe connecting valve, comprising: a valve body having a valve stem coupling part formed by a nut thread on a rear end inner circumferential surface of a pressure injection hole, the pressure injection hole penetrating back and forth in a longitudinal center portion thereof; A nozzle coupling means configured to be detachably coupled to the core nozzle configured at one side of the eva core, the pressure injection hole being configured at one end thereof; The hose coupling part is coupled to the valve stem coupling part at the rear end of the valve body by screwing on the outer circumferential surface of the front end and the hose coupling part to which one end of the pressure injection hose extending from the pressure injection device is coupled to the rear end. Provided valve stem; And rear ends are hingedly coupled to both sides of the outer circumferential surface of the valve body so as to be rotatably installed in the longitudinal direction of the front and rear sides thereof, but the separation of the nozzle coupling means from the core nozzle is prevented by being caught by the locking jaw of the core nozzle coupled to the nozzle coupling means. It consists of a configuration including a fixed hook.

Description

Pipe connector valve for pressure test evaporator core}

The present invention relates to a pipe connecting valve for the EVA core pressure test, and more particularly, the hook is configured to rotate in the longitudinal direction of the valve body, and the hook is formed at the end thereof with a locking protrusion formed at the outer circumferential edge of the core nozzle at one side of the EVA core. It relates to a pressure test pipe connecting valve that is firmly fixed to the tip of the core nozzle that is in close contact with the nozzle hole of the pipe connecting valve through the type clamp.

In general, a heat exchanger refers to a device that performs heat exchange between two fluids having different temperatures and separated by solid walls. In the narrow sense, a heat exchanger is generally used between two process flows without phase change. Refers to a device for exchanging heat, and broadly includes a cooler, a condenser, and the like. Such heat exchangers are widely used for heating, air conditioning, power generation, cooling, and waste heat recovery.

Types of heat exchangers as described above are cylindrical tubular heat exchangers, double tube heat exchangers, flat plate heat exchangers, air-cooled coolers, heating furnaces and coil heat exchangers in the classification according to the geometry. In addition, by function, heat exchanger (heat exchanger), cooler (cooler), condenser (condenser), reboiler (reboiler), evaporator (evaporator), preheater and two phase flow heat exchanger (two phase flow heat) Exchanger).

Meanwhile, as one of the heat exchangers described above, an evaporator core (hereinafter referred to as "eva core"), which is an evaporator for a vehicle, is used in an air conditioner or a cooling system of a vehicle. It is installed on both sides to be arranged at regular intervals between the header pipe of the tank function to guide the refrigerant in and out, and the upper and lower header pipes and arranged between each of the heat dissipation tube and the heat dissipation tube that radiates the refrigerant from the heat dissipation tube. The heat dissipation fin is configured to radiate heat into the atmosphere.

In order to deliver the final product of EVA Core configured as described above, the product is pressure tested for leakage. At this time, during the pressure test of EVA core as described above, the water, air, and helium gas for test are injected into the inside of the EVA core at a constant pressure to check whether the test water, air, or helium gas is leaked. You will be tested.

On the other hand, as described above, in order to inject water, air, helium gas, etc. for inspection from the pressure injection device into the inside of the EVA core at a constant pressure, the pressure injection hose and the core nozzle of the pressure injection device are piped as described above. Connection is via the connecting valve. At this time, the pipe connection valve according to the prior art is detachably connected to the core nozzle of the EVA core in a state connected to the end of the pressure hose connected to the pressure injection device.

However, the pipe connecting valve according to the related art as described above has a structure in which the tip of the pipe connecting valve coupled with the core nozzle of the EVA core can be easily separated from the core nozzle when the pressure injected from the pressure injection device becomes strong. There is a disadvantage that the problem occurs that the part is separated.

In addition, the pipe connection valve according to the prior art as described above is a pipe connection because the end of the pipe connection valve coupled to the core nozzle of the EVA core can be easily separated from the core nozzle when the injected pressure is strong When the valve is separated from the core nozzle, the pipe connection valve flows in all directions due to the injected pressure, which may cause personal injury or damage to property.

The present invention has been made in order to solve the above-mentioned problems of the prior art, it is configured to rotate in the longitudinal direction of the valve body, but the end of the hook type is made of a hook with the locking projection formed on the outer periphery of the core nozzle front end of one side of the EVA core It is an object of the present invention to provide a pressure test pipe connecting valve that allows the end of the core nozzle to be firmly fixed to the nozzle hole end of the pipe connecting valve through the latch.

Another object of the technology according to the present invention is configured to rotate in the longitudinal direction of the valve body, but the end of the pipe connection valve to the core nozzle through the hook-type latch is formed in the end of the core core end portion of the core nozzle is engaged with the hook projection The purpose is to prevent the separation of the pipe connecting valve by making a solid fixation of.

In addition, the technology according to the present invention is configured to rotate in the longitudinal direction of the valve body, but at the end to prevent the detachment of the pipe connecting valve through the hook-type latch that is engaged with the engaging projection formed on the outer periphery of the core nozzle end portion of the EVA core. Its purpose is to ensure safe testing during Evacore's pressure test.

The present invention configured to achieve the above object is as follows. That is, the pressure test pipe connecting valve according to the present invention connects the pressure injection device and the eva core during the pressure test to test whether the eva core leaks, and the test water or air or helium gas from the pressure injection device into the eva core. In the pressure test pipe connecting valve for injection of the pressure, the pressure injection hole is formed through the front and rear in the longitudinal center portion, the valve having a valve stem coupling portion formed by a nut-shaped thread on the inner peripheral surface of the rear end of the pressure injection hole Body; A nozzle coupling means configured to be detachably coupled to the core nozzle configured at one side of the eva core, the pressure injection hole being configured at one end thereof; The hose coupling part is coupled to the valve stem coupling part at the rear end of the valve body by screwing on the outer circumferential surface of the front end and the hose coupling part to which one end of the pressure injection hose extending from the pressure injection device is coupled to the rear end. Provided valve stem; And rear ends are hingedly coupled to both sides of the outer circumferential surface of the valve body so as to be rotatably installed in the longitudinal direction of the front and rear sides thereof, but the separation of the nozzle coupling means from the core nozzle is prevented by being caught by the locking jaw of the core nozzle coupled to the nozzle coupling means. It consists of a configuration including a fixed hook.

In the configuration of the present invention as described above, the nozzle coupling means is inserted and seated inside the tip end of the valve body, but the core nozzle is formed inside the tip end of the injection hole and the injection hole formed in the longitudinal center corresponding to the pressure injection hole of the valve body. A nozzle connecting tube having a locking projection protruding from the nozzle coupling portion and the rear end outer peripheral surface of the insertion coupling; An elastic spring inserted into the front end of the valve body to elastically support the nozzle connecting pipe; Fixing nut through which the through-hole of the inner diameter corresponding to the outer diameter of the nozzle connecting pipe is formed through the front and rear, but fixing the nozzle connecting pipe to the front end of the valve body through the locking projection of the nozzle connecting pipe; And it is configured on the nozzle coupling portion inner circumferential surface of the nozzle connecting pipe can be made of a configuration of water-tight so that the water-tight with the outer peripheral surface of the core nozzle front end portion when the core nozzle is coupled to the nozzle coupling portion.

On the other hand, the fixed hook in the configuration according to the present invention is a hook body which is hinged to the rear end of both sides of the outer peripheral surface of the valve body rotatably installed in the longitudinal direction of the front and rear; And a hook groove having a hook groove which is bent at an angle of 90 ° to the tip of the hook body and bent at a position corresponding to the tip surface spaced apart from the tip of the nozzle coupling means by a predetermined distance. Can be done.

According to the technique according to the present invention is configured to rotate in the longitudinal direction of the valve body, but at the end of the nozzle hole of the pipe connection valve through the hook-type latch which is engaged with the locking projection formed on the outer periphery of the core nozzle end portion of the EVA core The tip of the core nozzle can be firmly fixed and the separation of the pipe connecting valve can be prevented.

In addition, the technology according to the present invention is to prevent the separation of the pipe connection valve through the hook-type clasp to the effect that the safe test can be made during the pressure test of the EVA core.

1 is a perspective configuration diagram showing the separation of the pressure test pipe connection valve according to the present invention.
Figure 2 is a perspective configuration showing the combined pressure test pipe connection valve according to the present invention.
Figure 3 is a side view showing a pipe connection valve for pressure test according to the present invention.
Figure 4 is a sectional view showing a pipe connection valve for pressure test according to the present invention.
5 is an explanatory view showing an application state of a pressure test pipe connecting valve according to the present invention;
Figure 6a is a side view showing a state before fixing the pressure test pipe connecting valve in accordance with the present invention the core nozzle.
Figure 6b is a side view showing a state after fixing the pressure test pipe connecting valve in accordance with the present invention the core nozzle.

Hereinafter, a pressure test pipe connecting valve according to a preferred embodiment of the present invention will be described in detail.

1 is a perspective configuration diagram showing the separation of the pressure test pipe connection valve according to the present invention, Figure 2 is a perspective configuration diagram showing the combined pressure test pipe connection valve according to the present invention, Figure 3 is a pressure according to the present invention Figure 4 is a side view showing a test pipe connection valve, Figure 4 is a cross-sectional view showing a pressure test pipe connection valve according to the present invention, Figure 5 is an explanatory view showing an application state of the pressure test pipe connection valve according to the present invention, Figure 6a Side view showing the state before the pressure test pipe connection valve according to the present invention fixed to the core nozzle, Figure 6b is a side view showing the state after the pressure test pipe connection valve according to the present invention fixed to the core nozzle.

1 to 6, the pressure test pipe connecting valve 100 according to the present invention has a pressure injection device 20 and a pressure test device for testing the leakage of the EVA core 10 as described above. The eva core 10 is connected to allow the test water, air or helium gas to be injected from the pressure injection device 20 into the eva core 10.

Looking at the technical configuration of the pressure test pipe connecting valve 100 according to the present invention as described above are as follows. That is, the pressure test pipe connecting valve 100 according to the present invention is formed through the pressure injection hole 112 through the front and rear at the center in the longitudinal direction, but formed by the nut-shaped thread on the inner peripheral surface of the rear end of the pressure injection hole 112 The valve body 110 is provided with a valve stem coupling portion 114 is formed, the end portion of the pressure injection hole 112 is coupled to the nozzle nozzle detachably coupled to the core nozzle 12 configured on one side of the EVA core 10 Means 120, the valve body 110 is coupled to the valve stem coupling portion 112 by screw coupling, the outer peripheral surface of the front end portion is formed by the bolt portion of the coupling portion 132 and the rear end pressure injection device The rear end is hinged to both sides of the outer circumferential surface of the valve stem 130 and the valve body 110 provided with a hose coupling portion 134 to which one end of the pressure injection hose 22 extending from 20 is coupled, and the longitudinal direction of the front and rear Is installed rotatably as a nozzle coupling means (120) It consists of a configuration including a fixing hook 140 to prevent the separation of the nozzle coupling means 120 from the core nozzle 12 through the locking jaw (12a) of the core nozzle 12 coupled to).

On the other hand, during the pressure test of the EVA core 10 through the pressure test pipe connecting valve 100 according to the present invention configured as described above the end of the pressure injection hose 22 extending from the pressure injection device 20 Insert the core nozzle 12 of the EVA core 10 into the front end of the nozzle connecting means 120 in the state connected to the hose coupling portion 134 of the rear end of the valve stem 130, and then the fixing hook 140 The preparation of the pressure test of the eva core 10 is completed by rotating the core nozzle 12 of the eva core 10 so that the fixed hook 140 can be caught by the catching jaw 12a of the core nozzle 12. .

As described above, the pressure connecting pipe connecting valve 100 according to the present invention is connected to the core nozzle 12 of the EVA core 10 to complete the pressure test, and the pressure injection device 20 is operated. Eva test the pressure of the eva core 10 through the leak of the eva core 10 by allowing the injection of water or air or helium gas for the test inside the eva core 10 through.

Referring to the pipe connection valve 100 for pressure test according to the present invention in more detail. First, the valve body 110 forms an outer shape of the pressure test pipe connecting valve 100 through coupling with other components, such a valve body 110 has a length as shown in Figs. The pressure injection hole 112 is formed through the front and rear in the direction of the center portion, but the valve stem coupling part 114 formed by a nut-shaped thread is formed on the inner circumferential surface of the rear end of the pressure injection hole 112.

The valve body 110 configured as described above is formed in the form of a pipe in which the pressure injection hole 112 penetrates back and forth in the longitudinal center. At this time, the valve stem 130 is coupled to the inner circumferential surface of the rear end of the valve body 110 through a valve stem coupling part 114 formed by a screw thread, and the nozzle coupling means 120 is coupled to the front end thereof.

The nozzle coupling means 120 constituting the present invention is to be coupled to the pressure nozzle pipe connecting valve 100 and the core nozzle 12 of the EVA core 10, such a nozzle coupling means 120 As shown in Figure 1 to Figure 6 is configured to be detachably coupled to the core nozzle (12) configured on one end of the pressure injection hole 112 of the valve body 110 is configured on one side of the EVA core (10). At this time, the nozzle coupling means 120 is elastically coupled when combined with the core nozzle 12.

On the other hand, looking at the configuration of the nozzle coupling means 120 as described above is inserted and seated inside the front end of the valve body 110 is formed in the longitudinal center corresponding to the pressure injection hole 112 of the valve body 110 The nozzle connection is formed inside the distal end of the injection hole (122a) and the injection hole (122a) is provided with a nozzle coupling portion (122b) for inserting the core nozzle 12 and protruding on the outer peripheral surface of the rear end portion (122c) Pipe 122, the elastic spring 124 is inserted into the front end of the valve body 110 to elastically support the nozzle connecting pipe 122, the through hole 126a of the inner diameter corresponding to the outer diameter of the nozzle connecting pipe 122 The fixing nut 126 and the nozzle connecting pipe 122 of the fixing nut 126 and the nozzle connecting pipe 122 which are formed through the front and rear, but are fixed to the front end of the valve body 110 through the locking step 122c of the nozzle connecting pipe 122. The core nozzle 12 is formed on the inner circumferential surface of the nozzle coupling part 122b and is coupled to the core nozzle 12 on the nozzle coupling part 122b. It consists of a water-tight ring 128 to be watertight with the outer peripheral surface of the tip.

The nozzle coupling means 120 configured as described above is a state in which the elastic nut 124 is installed inside the front end of the valve body 110, and the fixing nut 126 is fitted through the outer peripheral surface of the front end of the nozzle connecting pipe 122. It is configured to be coupled to the tip of the body (110). At this time, on the outer peripheral surface of the front end of the valve body 110 is formed in the screw portion 116 that is screwed in correspondence to the thread of the fixing nut 126.

Therefore, as described above, it can be seen that the nozzle connecting pipe 122 of the nozzle coupling means 120 coupled to the front end of the valve body 110 is elastically supported by the elastic spring 124. At this time, the elastic connector 124 to be elastically supported through the elastic spring 124 is the elastic spring when the core nozzle 12 of the Eva core 10 is inserted into the front end of the nozzle connector 122 The inner end surface of the nozzle connecting pipe 122 elastically supported by the 124 and the end of the core nozzle 12 is to be in close contact.

The valve stem 130 constituting the present invention is to connect the pressure injection hose 22 extending from the pressure injection device 20 to the pipe connection valve 100 for a pressure test, and the valve stem 130 is As shown in Figures 1 to 6 are coupled through the screw coupling on the valve stem coupling portion 114 of the rear end of the valve body 110, but the coupling portion 132 and the post formed on the outer peripheral surface of the front end by a bolt type thread At the end, the hose coupling part 134 is coupled to one end of the pressure injection hose 22 extending from the pressure injection device 20.

The valve stem 130 configured as described above is coupled to the valve stem coupling portion 114 at the rear end of the valve body 110 by screwing through a coupling portion 132 formed by a bolt-type thread on the outer peripheral surface of the tip. One end of the pressure injection hose 22 extending from the pressure injection device 20 is connected to the hose coupling portion 134 at the rear end of the valve stem 130 coupled to the valve stem coupling portion 114 at the rear end of the valve body 110. Are combined.

The fixed hook 140 constituting the present invention is the pressure test pipe connecting valve 100 of the present invention coupled to the core nozzle 12 of the EVA core 10 through the nozzle coupling means 120, the core at the pressure injection In order not to be separated from the nozzle 12, the fixed hook 140, as shown in Figures 1 to 4, the rear end is hinged to both sides of the outer peripheral surface of the valve body 110 can be rotated in the longitudinal direction before and after It is installed so as to prevent the separation of the nozzle coupling means 120 from the core nozzle 12 through the locking jaw (12a) of the core nozzle 12 coupled to the nozzle coupling means 120.

In more detail, the fixed hook 140 has a rear end hinged to both sides of the outer circumferential surface of the valve body 110, and the hook body 142 and the tip of the hook body 142 are rotatably installed in the longitudinal direction of the front and rear. The hook groove 144a, which is bent at an angle of ° and is bent at a position corresponding to the tip surface spaced apart from the tip of the nozzle coupling means 120 by a predetermined distance, is caught by the locking jaw 12a of the core nozzle 12. It is made of a configuration of the hook 144 formed.

The fixed hook 140 configured as described above is fixed to the fixed hook 140 in a state in which the tip of the core nozzle 12 of the EVA core 10 is inserted into the tip of the nozzle connecting pipe 122 of the nozzle coupling means 120. The hook 144 is rotated in the direction of the core nozzle 12 so that the outer circumferential surface of the rear end of the locking projection 12a formed on the core nozzle 12 is inserted into the hook groove 144a of the hook 144 bent at a right angle. (12) to be caught by the locking step (12a).

Meanwhile, as described above, when the hook 144 is caught by the locking projection 12a of the core nozzle 12, the nozzle connecting pipe 122 is elastically supported by the elastic spring 124. The valve body 110 is pushed to the rear end by the spring 124, so that the firm locking of the fixed hook 140 is made by the elastic force of the elastic spring 124.

Therefore, when the elastic force of the elastic spring 124 is not released, the fixed hook 140 is not separated from the core nozzle 12 when the pressure is injected, thereby preventing the separation of the pressure test pipe connecting valve 100 according to the present invention. I can do it.

As described above, the technique according to the present invention includes a structure of the nozzle connecting pipe 122 that is elastically supported by the elastic spring 124 and the fixing hook 140 that is caught on the locking jaw 12a of the core nozzle 12. Through the structure, it is possible to prevent the pressure test pipe connecting valve 100 from being separated from the core nozzle 12 even under strong pressure injection.

The present invention is not limited to the above embodiments, and various modifications can be made within the scope of the technical idea of the present invention.

10. EVA Core 12. Core Nozzle
12a. Jam Jaw 20. Pressure injection device
100. Pipe connection valve for pressure test
110. Valve body 112. Pressure injection hole
114. Valve stem coupling
120. Nozzle coupling means 122. Nozzle connector
122a. Injection hole 122b. Nozzle Coupling
122c. Hanging jaw 124. Elastic spring
126. Locking nut 126a. Through hole
128. Water milling
130. Valve stem 132. Coupling
134. Hose joint
140. Hook Hook 142. Hook Body
144. Hook 144a. Hook groove

Claims (3)

Pressure test pipe connection connecting the pressure injection device and Eva core to inject the test water, air or helium gas from the pressure injection device to the inside of the eva core from the pressure injection device during the pressure test for testing the leakage of the EVA core. In the valve,
The pressure test pipe connecting valve includes a valve body having a valve stem coupling part formed by a nut-shaped thread on the inner circumferential surface of the rear end of the pressure injection hole, the pressure injection hole penetrating back and forth in a longitudinal center portion thereof;
A nozzle coupling means configured to be detachably coupled to a core nozzle configured at one end of the eva core, the pressure injection hole being configured at one end thereof;
A hose which is coupled to the valve stem coupling portion of the valve body rear end through a screw coupling, wherein a coupling portion formed by a bolt-shaped thread on the outer peripheral surface of the front end and one end of the pressure injection hose extending from the pressure injection device are coupled to the rear end of the valve body. Valve stem provided with a coupling; And
Rear ends are hingedly coupled to both sides of the outer circumferential surface of the valve body so that the rear end is rotatably installed in the longitudinal direction, and the nozzle coupling means is separated from the core nozzle through the locking jaw of the core nozzle coupled to the nozzle coupling means. Eva core pressure test pipe connection valve, characterized in that consisting of a configuration including a fixed hook to prevent. According to claim 1, wherein the nozzle coupling means is inserted and seated inside the front end of the valve body, the longitudinal center is formed in the injection hole formed corresponding to the pressure injection hole of the valve body and the inner end of the injection hole is formed A nozzle connecting tube having a nozzle engaging portion to which the core nozzle is inserted and a catching jaw protruding from an outer circumferential surface of the rear end;
An elastic spring inserted into the front end of the valve body to elastically support the nozzle connecting pipe;
Fixing nut through which the through-hole of the inner diameter corresponding to the outer diameter of the nozzle connecting pipe is formed through the front and rear, but fixing the nozzle connecting pipe to the front end of the valve body through the locking jaw of the nozzle connecting pipe; And
Eva core pressure test, which is configured on the inner circumferential surface of the nozzle coupling portion of the nozzle connecting tube is configured to be water-tight so as to achieve watertightness with the outer circumferential surface of the tip portion of the core nozzle when the core nozzle is coupled to the nozzle coupling portion. Pipe connection valve. According to claim 1, The fixed hook is the rear end hinged to both sides of the outer peripheral surface of the valve body is hook body which is rotatably installed in the longitudinal direction of the front and rear; And
The hook is bent at an angle of 90 ° to the tip of the hook body and bent at a position corresponding to the tip surface spaced apart from the tip of the nozzle coupling means by a predetermined distance. Eva core pressure test pipe connection valve, characterized in that consisting of.
KR1020100003951A 2010-01-15 2010-01-15 Pipe connector valve for pressure test evaporator core KR101178900B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020100003951A KR101178900B1 (en) 2010-01-15 2010-01-15 Pipe connector valve for pressure test evaporator core
PCT/KR2011/000309 WO2011087327A2 (en) 2010-01-15 2011-01-14 Pipe connection valve for testing the pressure of an evaporator core

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100003951A KR101178900B1 (en) 2010-01-15 2010-01-15 Pipe connector valve for pressure test evaporator core

Publications (2)

Publication Number Publication Date
KR20110083956A true KR20110083956A (en) 2011-07-21
KR101178900B1 KR101178900B1 (en) 2012-08-31

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WO (1) WO2011087327A2 (en)

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KR102492814B1 (en) * 2022-04-07 2023-01-26 이흥열 Leak inspection method using helium injection device and refurbishment method of semiconductior manufacturing equipment including the same
KR102492815B1 (en) * 2022-04-07 2023-01-26 이흥열 Leak inspection method using helium injection device and leak detector and refurbishment method of semiconductior manufacturing equipment including the same

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CN103645017A (en) * 2013-12-20 2014-03-19 大连津利流体设备开发有限公司 One-sided pneumatic sealing machine with multiple work stations and capable of achieving rapid transposition
CN107444062B (en) * 2017-07-04 2020-11-06 新昌县欣驰机械有限公司 Connecting block for automobile air conditioning system and manufacturing method thereof
CN107366785B (en) * 2017-08-18 2023-05-09 湖南天力瑞家新材科技股份有限公司 Pipeline joint
KR20230112414A (en) 2022-01-20 2023-07-27 한전케이피에스 주식회사 Checking apparatus for pressure regulating valve of humidifier

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JPS5250222U (en) * 1975-09-27 1977-04-09
JPS5250222A (en) 1975-10-20 1977-04-22 Sanyo Electric Co Ltd Magnetic head for audio
JP3198723B2 (en) * 1993-05-18 2001-08-13 ダイキン工業株式会社 Coupling structure
KR100263987B1 (en) 1998-05-06 2000-08-16 구자홍 Coupler

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102492814B1 (en) * 2022-04-07 2023-01-26 이흥열 Leak inspection method using helium injection device and refurbishment method of semiconductior manufacturing equipment including the same
KR102492815B1 (en) * 2022-04-07 2023-01-26 이흥열 Leak inspection method using helium injection device and leak detector and refurbishment method of semiconductior manufacturing equipment including the same

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WO2011087327A3 (en) 2011-12-01
KR101178900B1 (en) 2012-08-31
WO2011087327A2 (en) 2011-07-21

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