WO2016043409A1 - Pressure regulator of air supply apparatus for respiratory protection - Google Patents

Pressure regulator of air supply apparatus for respiratory protection Download PDF

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Publication number
WO2016043409A1
WO2016043409A1 PCT/KR2015/005990 KR2015005990W WO2016043409A1 WO 2016043409 A1 WO2016043409 A1 WO 2016043409A1 KR 2015005990 W KR2015005990 W KR 2015005990W WO 2016043409 A1 WO2016043409 A1 WO 2016043409A1
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WO
WIPO (PCT)
Prior art keywords
air supply
hollow plug
hollow
circumferential surface
reducing valve
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2015/005990
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French (fr)
Korean (ko)
Inventor
김종기
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sancheong Co Ltd
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Sancheong Co Ltd
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Filing date
Publication date
Application filed by Sancheong Co Ltd filed Critical Sancheong Co Ltd
Priority to CN201580049709.3A priority Critical patent/CN107073302B/en
Publication of WO2016043409A1 publication Critical patent/WO2016043409A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B7/00—Respiratory apparatus
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B9/00—Component parts for respiratory or breathing apparatus
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B9/00—Component parts for respiratory or breathing apparatus
    • A62B9/02—Valves

Definitions

  • the present invention relates to a respiratory protection air supply device, and more particularly to a pressure regulator of the respiratory protection air supply device that can supply compressed air quickly through the quick opening of the bypass flow path even when the pressure reducing valve or diaphragm breaks down. It is about.
  • a respiratory protection air supply device that is, an air respirator
  • an air respirator is a toxic gas in a workplace where life-saving workers (fire fighters) such as industrial sites or hazardous sites such as manholes in mine shafts or dust generating harmful gases and dust are generated, and fire sites. It is used to protect the breathing by preventing the inhalation of the inlet, and forms an air supply valve and an exhaust valve on the facepiece (facepiece) to supply the compressed air stored in the compressed air storage tank to the inner surface through the air supply valve, to the wearer's breath The exhalation generated by the exhaust gas is discharged to the outside through the exhaust valve.
  • such an air supply device has a pressure regulator for mitigating the high pressure of the compressed air supplied through the air supply valve, and high pressure compressed air is sucked at an appropriate pressure through the pressure reducing valve of the pressure regulator to safely wear the breather. I can protect it.
  • Such a pressure regulator includes a casing having an air supply port through which compressed air supplied from a compressed air storage tank is supplied, and a compressed air supplied inside the casing to supply a compressed air supplied through the air supply, to reduce pressure suitable for breathing. And a linkage assembly for opening and closing the pressure reducing valve in conjunction with the contraction and expansion of the diaphragm.
  • an air supply assembly is installed in the air supply port, and a bypass flow path is formed around the pressure reducing valve in the case, and the bypass flow path is configured to be opened and closed by the air supply assembly.
  • the compressed air is operated to bypass the pressure reducing valve through the bypass passage to supply air to the wearer. do.
  • the air supply assembly has a screw-rotating structure and is configured to open and close a fine bypass hole formed at one side of the air supply, and when there is no use of the air supply assembly, an airtight structure is installed to prevent leakage of compressed air.
  • the conventional pressure regulator has a disadvantage in that the airtightness is significantly lowered after the rotation operation of the air supply assembly, as the airtight ring is integrated with the air supply assembly.
  • the present invention has been made to overcome the disadvantages of the prior art as described above, and in the case of failure of the pressure reducing valve or diaphragm, the compressed air can be rapidly supplied through the quick opening of the bypass flow path, To provide a pressure regulator of a respiratory protection air supply system that not only ensures the tightness of the airtight but also can easily replace only the airtight ring in the event of aging or damage of the airtight ring. There is this.
  • a casing is provided on one side, the compressed air is supplied through the air supply assembly installed in the air supply;
  • a pressure reducing valve connected to communicate with the air supply assembly through a connecting pipe in the casing, and to reduce the pressure of the compressed air to be supplied and to regulate the flow of compressed air;
  • a diaphragm installed inside the casing to contract and expand according to the wearer's breath
  • a linkage assembly connected between the pressure reducing valve and the diaphragm to open and close the pressure reducing valve in association with the contraction and expansion of the diaphragm.
  • the connecting pipe has a mounting portion that is sealedly mounted on the upper end of the pressure reducing valve and a connecting portion extending outward from the outer peripheral surface of the mounting portion to be in communication with the air supply assembly,
  • a bypass hole is formed on an outer circumferential surface of the connection portion, and a bypass flow passage communicating with the bypass hole is formed inside the casing,
  • the air supply assembly The air supply assembly,
  • a hollow plug coupled to a connecting portion of the connecting pipe by a screw rotation method to open and close the bypass hole while moving forward and backward in an axial direction;
  • a hollow stem detachably coupled to the hollow plug to screw the hollow plug
  • An annular structure having an inner diameter surface corresponding to an outer circumferential surface of the connection portion, and an airtight ring interposed axially between an end of the hollow plug and a side surface of the mounting portion in a state of being fitted to the outer circumferential surface of the connection portion; do.
  • the hollow plug has a first screw portion formed on an inner circumferential surface thereof, and a connecting portion of the connecting pipe is formed with a second screw portion formed on an outer circumferential surface thereof so that the first screw portion of the hollow plug is screwed with respect to the second screw portion of the connecting portion.
  • the hollow plug is configured to open and close forward and backward with respect to the connection part to open and close the bypass hole of the connection part.
  • the hermetic ring has a cross-sectional structure having a first contact surface in contact with a side of a mounting portion of the connecting pipe, a second contact surface in contact with an end of the hollow plug, and a third contact surface in contact with an outer circumferential surface of the connection portion.
  • the first and second contact surfaces are formed flat.
  • Each of the hollow plug and the hollow stem may be installed to move forward and backward on the inner circumferential surface of the air supply port with one or more sealing rings provided on the outer circumferential surface thereof.
  • the outer end of the hollow stem is characterized in that the handle portion that is easy to grip is provided.
  • the third contact surface of the hermetic ring is characterized in that it is coupled to the outer peripheral surface of the connecting portion by interference fit.
  • the third contact surface of the hermetic ring is bonded to the outer circumferential surface of the connecting portion of the connector by an adhesive, and the first contact surface of the hermetic ring is bonded to the side of the mounting portion of the connector by an adhesive.
  • the second contact surface of the hermetic ring is characterized in that the adhesive is bonded to the end of the hollow plug.
  • the hermetic ring is made of a releasable material or at least a second contact surface is characterized in that the structure is coated with a releasable material.
  • the second contact surface of the hermetic ring is formed adjacent to the bypass hole.
  • the airtightness of the bypass hole by the hermetic ring is applied as the end of the hollow plug applies the axial pressing force by its screw rotational force.
  • the sealing ring can be greatly improved, and as the sealing ring is configured independently of the hollow plug, when the replacement of the sealing ring due to aging or damage of the sealing ring is very simple and can be performed, the maintenance cost is greatly reduced. It has the advantage of being saved.
  • the rotation operation of the hollow plug can be made more smoothly and stably, in particular the hollow plug is bypassed.
  • the hollow plug has a merit that the airtightness of the airtight ring is greatly increased by pressing the airtight ring to a stronger axial pressing force through its screwing force.
  • the first, second and third contact surfaces of the hermetic ring can be very tightly adhered between the mounting part side of the connector and the end of the hollow plug.
  • the hollow plug and the hollow stem have an advantage of ensuring sealability to the air supply of the casing by having one or more sealing rings on their respective outer peripheral surfaces.
  • the handle portion is provided on the outer end of the hollow stem has an advantage that the rotation of the hollow stem and the hollow plug by the user can be made smoothly.
  • the third contact surface of the hermetic ring is forcibly fitted to the outer circumferential surface of the connection portion, so that the hermetic ring can be more firmly fixed to the connection portion, so that the flow of the airtight ring is ensured when the hollow plug is moved forward and backward. It can be prevented, and through this there is an advantage that the closing of the bypass hole by the forward of the hollow plug and the opening of the bypass hole by the backward of the hollow plug can be made very stable.
  • the flow of the airtight ring can be reliably prevented as the third contact surface of the airtight ring is adhered to the mounting portion and the connection portion of the connecting pipe by an adhesive, thereby closing the bypass hole by the advancement of the hollow plug.
  • the airtightness can be very enhanced, there is an advantage that the opening of the bypass hole by the backward of the hollow plug can be made more smoothly.
  • the airtight ring is made of a material having high releasability such as Teflon or a release coating
  • the end of the hollow plug can be easily spaced apart from the airtight ring at the time of retraction of the hollow plug.
  • the bypass hole can be opened more quickly and stably when the hollow plug is retracted.
  • FIG. 1 is an exploded perspective view showing a pressure regulator of the respiratory protection air supply device according to an embodiment of the present invention.
  • Figure 2 is a front view showing a pressure regulator of the respiratory protection air supply apparatus according to the present invention.
  • FIG. 3 is a cross-sectional view taken along the line A-A of FIG.
  • FIG. 4 is an enlarged view of a portion B of FIG. 3.
  • FIG. 5 is an exploded perspective view showing the air supply assembly of the pressure regulator according to the present invention.
  • 1 to 5 is a view showing a pressure regulator of the respiratory protection air supply apparatus according to the present invention.
  • the pressure regulator of the respiratory protection air supply apparatus As shown in Figures 1 to 3, the pressure regulator of the respiratory protection air supply apparatus according to the present invention, the casing 10 is provided with an air supply mechanism 15 on one side, the compression is provided in the casing 10 is supplied air Pressure reducing valve 20 for reducing the pressure of air and intermittent the flow of compressed air, a diaphragm 30 installed above the casing 10 to contract and expand according to the wearer's breath, and a pressure reducing valve ( 20 is connected between the diaphragm 30 and the link assembly 40 which opens and closes the pressure reducing valve 20 in association with the contraction and expansion of the diaphragm 30, and the air supply provided in the air supply unit 15 of the casing 10. Assembly 50.
  • the upper part of the casing 10 is opened, and the cover 11 is coupled to the open upper part.
  • the casing 10 has an assembly protrusion 12 which is assembled to a lower surface of the casing 10, a vent hole 13 is formed at a lower end of the assembly protrusion 12, and an air supply assembly 50 is provided at one side of the casing 10.
  • the air supply port 15 to be installed is formed.
  • the pressure reducing valve 20 is installed in the casing 10, and the pressure reducing valve 20 has a housing 21 having a valve seat 21 a therein and a valve seat 21 a while moving up and down within the housing 21. ) And an elastic member 23 for elastically supporting a lower end of the valve body 22.
  • the pressure reducing valve 20 reduces the pressure of the compressed air supplied through the air supply assembly 50 from the compressed air source such as the compressed air storage tank, and the elastic force of the elastic member 23 and the compressed air. Pressure allows the flow of compressed air to be interrupted properly.
  • the diaphragm 30 is installed in the upper space of the casing 10, that is, the positive pressure space, and in particular, the diaphragm 30 is configured to contract and expand in the vertical direction in accordance with the wearer's breathing.
  • Link assembly 40 is connected between the pressure reducing valve 20 and the diaphragm 30 is configured to open and close the pressure reducing valve 20 in conjunction with the contraction and expansion of the diaphragm (30).
  • the link assembly 40 is hinged to one side of the pressure reducing valve 20 to pressurize or release the pressure reducing valve 20 to open and close the pressure reducing valve 20.
  • a driving link 42 connected between the diaphragm 30 and the driving link 41 to pressurize or release the driving link 41 while reciprocating in conjunction with the contraction and expansion of the diaphragm 30.
  • the drive link 41 is hinged to the upper end of the valve housing 21 of the pressure reducing valve 20, one side of the drive link 41 is provided with a pressing projection (41a).
  • the pressure projection 41a of the drive link 41 pressurizes or releases the valve body 22 of the pressure reducing valve 20 to reduce the pressure. Open and close the 20.
  • the motive link 42 has an upper end connected to the diaphragm 30 and a lower end connected to the drive link 41.
  • a locking slot 42a is formed at an upper end of the motive link 42, and the locking body 35 of the diaphragm 30 is caught in the locking slot 42a so that the upper end of the motive link 42 is diaphragm 30. It is connected stably to.
  • connection pipe 60 is mounted to the upper end of the valve housing 21 of the pressure reducing valve 20 and the mounting portion 61, and extends outward from the outer peripheral surface of the mounting portion 61 to communicate with the air supply assembly 50 It has the connection part 62 connected.
  • Mounting portion 61 is made of a hollow cylindrical structure is fitted to the outer peripheral surface of the upper end of the valve housing 21, one or more sealing rings are interposed between the inner peripheral surface of the mounting portion 61 and the upper outer peripheral surface of the valve housing 21, the mounting portion ( 61 is sealingly mounted on the upper end of the valve housing 21 of the pressure reducing valve (20).
  • the connecting portion 62 has a tubular structure extending outward from the outer circumferential surface of the mounting portion 61, and a bypass hole 63 is formed at one side of the connecting portion 62.
  • a bypass flow path 64 communicating with the bypass hole 63 is formed in the peripheral space of the pressure reducing valve 20, and the bypass flow path 64 is formed. It is configured to communicate with the vent hole 13 of the casing 10.
  • the air supply assembly 50 is coupled to the connecting portion 62 of the connecting pipe 60 in a screw-rotating manner, the hollow plug 51 opening and closing the bypass hole 63 while moving forward and backward in the axial direction, and the hollow plug 51.
  • a hollow stem 52 detachably coupled to the hollow stem 51 for rotating the hollow plug 51, and an airtight ring 55 interposed between an end of the hollow plug 51 and a side surface of the mounting portion 61 of the connector 60. ).
  • the hollow plug 51 is formed of a hollow cylindrical structure having a hollow portion therein, one end of the hollow plug 51 is screwed to the connection portion 62 of the connecting pipe 60 Is coupled in a rotational manner, the other end of the hollow plug 51 is detachably coupled to the hollow stem 52 is rotatably installed in the air supply port 15 of the casing (10).
  • the other end of the hollow plug 51 has a straight fitting groove 51a formed therein, and one or more fitting protrusions 52a are formed at one end of the hollow stem 52.
  • the fitting protrusion 52a of the hollow stem 52 is fitted into the fitting groove 51a of the hollow plug 51 so that the hollow plug 51 and the hollow stem 52 can be detachably coupled to each other.
  • Hollow stem 52 is formed of a hollow cylindrical structure having a hollow portion therein, one outer peripheral surface of the hollow stem 52 is rotatably installed in the air supply port 15 of the casing 10, the hollow stem 52 The outer peripheral surface of the other end is configured to protrude outward from the air supply port 15 of the casing 10.
  • each of the hollow plug 51 and the hollow stem 52 is installed to advance back and forth on the inner circumferential surface of the air supply port 15 with one or more sealing rings provided on its outer circumferential surface, thereby supplying the air supply hole 15 of the casing 10.
  • the other end of the hollow stem 52 is provided with a rotation ring 53 rotatably installed thereon, and an air supply hose 54 is connected to the rotation ring 53, and the air supply hose 54 is a compressed air storage tank or the like. Extend from a source of compressed air.
  • vent holes 52c are formed on the outer circumferential surface of the other end of the hollow stem 52 facing the rotary ring 53 so that the internal space of the hollow stem 52 may communicate with the air supply hose 54.
  • the hermetic ring 55 has an annular structure having an inner diameter surface corresponding to the outer circumferential surface of the connecting portion 62, and is fitted to the end portion 51f of the hollow plug 51 and the side surface of the mounting portion 61 in a state of being fitted to the outer circumferential surface of the connecting portion 62. It interposes in the axial direction between 61f.
  • the hollow plug 51, the hermetic ring 55 is preferably arranged to have the same center.
  • the hermetic ring 55 is hermetically interposed between the end face 51f of the hollow plug 51 and the side face 61f of the mounting portion 61, the end of the hollow plug 51 is provided with the screw rotational force.
  • the milling 55 can be pressed in a strong axial direction. Accordingly, the airtightness of the bypass hole 63 by the airtight ring 55 can be greatly improved, and the airtight ring 55 is configured independently of the hollow plug 51, thereby aging the airtight ring 55.
  • the replacement of the airtight ring 55 is very simple and can be made, and thus the maintenance cost is greatly reduced.
  • the hermetic ring 55 has a first contact surface 55a in contact with the side surface 61f of the mounting portion 61 of the connecting pipe 60 and a second contact surface in contact with the end surface 51f of the hollow plug 51. It has a cross-sectional structure having a 55b and a third contact surface 55c in contact with the outer circumferential surface of the connecting portion 62.
  • the first and second contact surfaces 55a and 55b are formed flat, whereby the first contact surface 55a of the hermetic ring 55 is hermetically adhered to the side surface 61f of the mounting portion 61 of the connector 60.
  • the second contact surface 55b of the hermetic ring 55 may be hermetically adhered to the end 51f of the hollow plug 51.
  • the third contact surface 55c is a portion corresponding to the inner diameter surface of the airtightness 55 and is configured to contact the outer circumferential surface of the connecting portion 62.
  • the third contact surface 55c of the hermetic ring 55 may be coupled to the outer circumferential surface of the connecting portion 62 by interference fit.
  • the third contact surface 55c is coupled to the outer circumferential surface of the connecting portion 62 in an interference fit manner so that the airtight ring 55 may be firmly fixed to the connecting portion 62, thereby advancing the hollow plug 51 and The flow of the airtight ring 55 can be reliably prevented at the time of backward movement, thereby closing the bypass hole 63 by the forward of the hollow plug 51 and bypass hole by the backward of the hollow plug 51.
  • the opening of (63) can be made very stable.
  • the third contact surface 55c of the hermetic ring 55 may be adhered to the outer circumferential surface 62f of the connecting portion 62 of the connector 60 by an adhesive.
  • the first contact surface 55a of the hermetic ring 55 may be attached to the side surface 61f of the mounting portion 61 of the connector 60 by an adhesive.
  • the second contact surface 55b of the hermetic ring 55 is bonded to the end 51f of the hollow plug 51 by an adhesive, and the first and third contact surfaces 55a and 55c are connected. It can be comprised so that it may not adhere to the mounting part 61 and the connection part 62 of the tubular body 60. As such, when only the second contact surface 55b of the hermetic ring 55 is bonded to the end 51f of the hollow plug 51, the hermetic ring 55 moves forward and backward with the hollow plug 51 while bypassing the hole. (63) can be opened and closed.
  • the airtight ring 55 may be made of a general sealing material such as rubber, low pressure injection material, or the like, or may be made of a release material such as Teflon, or a release coating layer may be formed on an outer surface including at least the second contact surface 55b.
  • the end portion 51f of the hollow plug 51 is second contact surface of the airtight ring 55 when the hollow plug 51 is retracted. Since it can be easily spaced at 55b, there is an advantage that the opening operation of the bypass hole 63 can be made very smoothly.
  • the second contact surface 55b of the hermetic ring 55 is formed adjacent to the bypass hole 63 so that the bypass hole 63 can be opened more quickly and stably when the hollow plug 51 is retracted.
  • the hollow plug 51 has a first screw portion 71 is formed on the inner peripheral surface
  • the connecting portion 62 of the connector 60 is a second screw portion 72 on the outer peripheral surface
  • the first screw portion 71 of the hollow plug 51 is screw-rotated with respect to the second screw portion 72 of the connecting portion 62
  • the hollow plug 51 moves forward and backward with respect to the connecting portion 62.
  • the bypass hole 63 of the connecting portion 62 is opened and closed.
  • the rotation operation of the hollow plug 51 is smoother and smoother.
  • the end surface 51f of the hollow plug 51 is sealed by a screwing force of the hollow plug 51 in a state where the hollow plug 51 is advanced to close the bypass hole 63. Since 55 can be pressed with a stronger axial pressing force, there is an advantage in that the airtightness of the bypass hole 63 by the airtight ring 55 is significantly increased.
  • the outer end of the hollow stem 52 is provided with a grip portion 56 is easy to grip, by the handle 56, the user is very smooth rotation of the hollow stem 52 and the hollow plug 51 You can proceed.

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  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Control Of Fluid Pressure (AREA)

Abstract

The present invention relates to a pressure regulator of an air supply apparatus for respiratory protection that can promptly supply compressed air by rapidly opening a bypass fluid channel even in the case of a breakdown in a pressure reducing valve or a diaphragm. The pressure regulator of an air supply apparatus for respiratory protection comprises: a hollow plug in which a bypass hole is formed in the outer peripheral surface of a connector of a connection conduit, a bypass fluid channel communicating with the bypass hole is formed within a casing, and an air supply assembly is screw-coupled to the connector of the connection conduit to open and close the bypass hole while moving forward and backward in the direction of the axis line; a hollow stem detachably coupled to the hollow plug to bring the hollow plug into screw-rotation; and a sealing ring interposed between the end portion of the hollow plug and the side of a mounting part in the direction of the axis line while being mounted on the outer peripheral surface of the connector.

Description

호흡보호용 공기공급장치의 압력조절기Pressure regulator of respiratory protection air supply

본 발명은 호흡보호용 공기공급장치에 관한 것으로, 보다 상세하게는 감압밸브 또는 다이어프램의 고장 시에도 바이패스 유로의 신속한 개방을 통해 신속하게 압축공기를 급기할 수 있는 호흡보호용 공기공급장치의 압력조절기에 관한 것이다.The present invention relates to a respiratory protection air supply device, and more particularly to a pressure regulator of the respiratory protection air supply device that can supply compressed air quickly through the quick opening of the bypass flow path even when the pressure reducing valve or diaphragm breaks down. It is about.

일반적으로, 호흡보호용 공기공급장치 즉, 공기호흡기는 유해가스 및 분진이 발생하는 산업현장이나 광산갱내 맨홀과 같은 산소 결핍현장, 그리고 화재현장 등의 인명구조원(소방대원)들이 작업현장에서 유독성 가스의 흡입을 방지하여 호흡을 보호하고자 사용되는 것으로, 면체(facepiece) 상에 급기밸브와 배기밸브를 형성하여 압축공기 저장탱크에 저장된 압축공기를 급기밸브를 통해 면체내부로 공급하며, 착용자의 호흡에 의해 발생된 호기는 배기밸브를 통하여 외부로 배출하도록 되어 있다.In general, a respiratory protection air supply device, that is, an air respirator, is a toxic gas in a workplace where life-saving workers (fire fighters) such as industrial sites or hazardous sites such as manholes in mine shafts or dust generating harmful gases and dust are generated, and fire sites. It is used to protect the breathing by preventing the inhalation of the inlet, and forms an air supply valve and an exhaust valve on the facepiece (facepiece) to supply the compressed air stored in the compressed air storage tank to the inner surface through the air supply valve, to the wearer's breath The exhalation generated by the exhaust gas is discharged to the outside through the exhaust valve.

그런데, 이러한 공기공급장치는 급기밸브를 통해 공급되는 압축공기의 높은 압력을 완화하기 위한 압력조절기를 가지고, 이러한 압력조절기의 감압밸브를 통해 고압의 압축공기가 적절한 압력으로 흡입되어 착용자의호흡을 안전하게 보호할 수 있다. However, such an air supply device has a pressure regulator for mitigating the high pressure of the compressed air supplied through the air supply valve, and high pressure compressed air is sucked at an appropriate pressure through the pressure reducing valve of the pressure regulator to safely wear the breather. I can protect it.

이러한 압력조절기는, 압축공기 저장탱크로부터 공급되는 압축공기가 급기되는 급기구를 가진 케이싱과, 케이싱의 내부에 설치되어 급기구를 통해 공급되는 압축공기를 호흡에 적합한 압력을 감압함과 더불어 압축공기의 흐름을 단속하는 감압밸브와, 착용자의 호흡에 따라 수축 및 팽창하는 다이어프램과, 다이어프램의 수축 및 팽창에 연동하여 감압밸브를 개폐시키는 링크조립체 등을 가진다. Such a pressure regulator includes a casing having an air supply port through which compressed air supplied from a compressed air storage tank is supplied, and a compressed air supplied inside the casing to supply a compressed air supplied through the air supply, to reduce pressure suitable for breathing. And a linkage assembly for opening and closing the pressure reducing valve in conjunction with the contraction and expansion of the diaphragm.

그리고, 급기구에는 급기조립체가 설치되고, 케이스 내에는 감압밸브의 주변에 바이패스 유로가 형성되며, 이러한 바이패스 유로는 급기조립체에 의해 그 개폐가 이루어지도록 구성된다. 특히, 갑압밸브 또는 다이어프램 등의 고장 등으로 인해 감압밸브를 통해 공기를 원활하게 공급받지 못할 경우에는 급기조립체를 조작하여 압축공기가 바이패스 유로를 통해 감압밸브를 우회하여 착용자에게 공기를 공급하도록 구성된다. In addition, an air supply assembly is installed in the air supply port, and a bypass flow path is formed around the pressure reducing valve in the case, and the bypass flow path is configured to be opened and closed by the air supply assembly. In particular, when air cannot be supplied smoothly through the pressure reducing valve due to a breakdown valve or diaphragm, the compressed air is operated to bypass the pressure reducing valve through the bypass passage to supply air to the wearer. do.

이러한 급기조립체는 나사회전식 구조로 이루어져 급기구의 일측에 형성된 미세한 바이패스 구멍을 개폐하도록 구성되어 있으며, 급기조립체의 사용이 없는 경우에는 압축공기의 누설을 방지하기 위한 기밀구조가 설치되어 있다. The air supply assembly has a screw-rotating structure and is configured to open and close a fine bypass hole formed at one side of the air supply, and when there is no use of the air supply assembly, an airtight structure is installed to prevent leakage of compressed air.

하지만, 종래의 압력조절기는 급기조립체에 기밀링이 일체화된 구조로 이루어짐에 따라 급기조립체의 회전조작 이후에는 그 기밀성이 현저히 저하되는 단점이 있었다. However, the conventional pressure regulator has a disadvantage in that the airtightness is significantly lowered after the rotation operation of the air supply assembly, as the airtight ring is integrated with the air supply assembly.

그리고, 기밀링의 손상 내지 파손 시에는 기밀링만의 교체가 용이하지 못하므로, 급기조립체 전체를 분리한 후에 새로운 급기조립체로 교체하여야함 하기 때문에, 그 유지 보수비용이 현저하게 증가하는 단점이 있었다. In addition, when the airtight ring is damaged or damaged, it is not easy to replace only the airtight ring. Therefore, since the entire air supply assembly needs to be separated, the air supply assembly must be replaced with a new air supply assembly. .

본 발명은 상기와 같은 종래기술의 단점을 극복하기 위하여 창출한 것으로, 감압밸브 또는 다이어프램의 고장 시에도 바이패스 유로의 신속한 개방을 통해 신속하게 압축공기를 급기할 수 있고, 사용하지 않을 경우에는 그 기밀성을 확실하게 보장할 수 있을 뿐만 아니라 기밀링의 노후 내지 손상 시에 기밀링만을 간편하게 교체할 수 있으므로 전체적인 유지 보수비용을 대폭 절감할 수 있는 호흡보호용 공기공급장치의 압력조절기를 제공하는 데 그 목적이 있다.The present invention has been made to overcome the disadvantages of the prior art as described above, and in the case of failure of the pressure reducing valve or diaphragm, the compressed air can be rapidly supplied through the quick opening of the bypass flow path, To provide a pressure regulator of a respiratory protection air supply system that not only ensures the tightness of the airtight but also can easily replace only the airtight ring in the event of aging or damage of the airtight ring. There is this.

상기와 같은 목적을 달성하기 위한 본 발명에 의한 호흡보호용 공기공급장치의 압력조절기는, Pressure regulator of the respiratory protection air supply device according to the present invention for achieving the above object,

일측에 급기구가 마련되고, 상기 급기구 내에 설치된 급기조립체를 통해 압축공기가 급기되는 케이싱;A casing is provided on one side, the compressed air is supplied through the air supply assembly installed in the air supply;

상기 케이싱의 내부에서 연결관체를 매개로 상기 급기조립체와 소통되게 접속되고, 급기되는 압축공기의 압력을 감압함과 더불어 압축공기의 흐름을 단속하는 감압밸브;A pressure reducing valve connected to communicate with the air supply assembly through a connecting pipe in the casing, and to reduce the pressure of the compressed air to be supplied and to regulate the flow of compressed air;

케이싱의 내부에 설치되어 착용자의 호흡에 따라 수축 및 팽창하는 다이어프램; 및A diaphragm installed inside the casing to contract and expand according to the wearer's breath; And

상기 감압밸브 및 다이어프램 사이에 연결되어 상기 다이어프램의 수축 및 팽창에 연동하여 상기 감압밸브를 개폐시키는 링크조립체;를 포함하고, And a linkage assembly connected between the pressure reducing valve and the diaphragm to open and close the pressure reducing valve in association with the contraction and expansion of the diaphragm.

상기 연결관체는 상기 감압밸브의 상단에 밀봉적으로 장착되는 장착부 및 상기 장착부의 외주면에서 외측으로 연장되어 상기 급기조립체에 소통되게 접속되는 접속부를 가지며, The connecting pipe has a mounting portion that is sealedly mounted on the upper end of the pressure reducing valve and a connecting portion extending outward from the outer peripheral surface of the mounting portion to be in communication with the air supply assembly,

상기 접속부의 외주면에는 바이패스 구멍이 형성되며, 상기 케이싱의 내부에는 바이패스 구멍과 소통하는 바이패스 유로가 형성되고, A bypass hole is formed on an outer circumferential surface of the connection portion, and a bypass flow passage communicating with the bypass hole is formed inside the casing,

상기 급기조립체는,The air supply assembly,

상기 연결관체의 접속부에 나사회전 방식으로 결합되어 축선방향으로 전후진하면서 상기 바이패스 구멍을 개폐하는 중공플러그; A hollow plug coupled to a connecting portion of the connecting pipe by a screw rotation method to open and close the bypass hole while moving forward and backward in an axial direction;

상기 중공플러그에 분리가능하게 결합되어 상기 중공플러그를 나사회전시키는 중공스템; 및 A hollow stem detachably coupled to the hollow plug to screw the hollow plug; And

상기 접속부의 외주면에 대응하는 내경면을 가진 환형 구조로 이루어지고, 상기 접속부의 외주면에 끼워진 상태에서 상기 중공플러그의 단부와 상기 장착부의 측면 사이에 축선방향으로 개재되는 기밀링;을 가지는 것을 특징으로 한다. An annular structure having an inner diameter surface corresponding to an outer circumferential surface of the connection portion, and an airtight ring interposed axially between an end of the hollow plug and a side surface of the mounting portion in a state of being fitted to the outer circumferential surface of the connection portion; do.

상기 중공플러그는 그 내주면에 제1나사부가 형성되고, 상기 연결관체의 접속부는 그 외주면에 제2나사부가 형성됨으로써 상기 중공플러그의 제1나사부가 상기 접속부의 제2나사부에 대해 나사회전함에 따라 상기 중공플러그가 상기 접속부에 대해 전후진하여 상기 접속부의 바이패스 구멍을 개폐하도록 구성되는 것을 특징으로 한다. The hollow plug has a first screw portion formed on an inner circumferential surface thereof, and a connecting portion of the connecting pipe is formed with a second screw portion formed on an outer circumferential surface thereof so that the first screw portion of the hollow plug is screwed with respect to the second screw portion of the connecting portion. And the hollow plug is configured to open and close forward and backward with respect to the connection part to open and close the bypass hole of the connection part.

상기 기밀링은 상기 연결관체의 장착부 측면과 접촉하는 제1접촉면과, 상기 중공플러그의 단부와 접촉하는 제2접촉면과, 상기 접속부의 외주면과 접촉하는 제3접촉면을 가진 단면구조로 이루어지고, 상기 제1 및 제2 접촉면은 평탄하게 형성되는 것을 특징으로 한다. The hermetic ring has a cross-sectional structure having a first contact surface in contact with a side of a mounting portion of the connecting pipe, a second contact surface in contact with an end of the hollow plug, and a third contact surface in contact with an outer circumferential surface of the connection portion. The first and second contact surfaces are formed flat.

상기 중공플러그 및 중공스템 각각은 그 외주면에 하나 이상의 밀봉링이 마련된 상태로 상기 급기구의 내주면에서 전후진하도록 설치되는 것을 특징으로 한다. Each of the hollow plug and the hollow stem may be installed to move forward and backward on the inner circumferential surface of the air supply port with one or more sealing rings provided on the outer circumferential surface thereof.

상기 중공스템의 외측단에는 파지가 용이한 손잡이부가 마련되는 것을 특징으로 한다. The outer end of the hollow stem is characterized in that the handle portion that is easy to grip is provided.

일 실시예에 따르면, 상기 기밀링의 제3접촉면은 상기 접속부의 외주면에 억지끼움식으로 결합되는 것을 특징으로 한다. According to one embodiment, the third contact surface of the hermetic ring is characterized in that it is coupled to the outer peripheral surface of the connecting portion by interference fit.

대안적인 실시예에 따르면, 상기 기밀링의 제3접촉면은 접착제 의해 상기 연결관체의 접속부의 외주면에 접착되고, 상기 기밀링의 제1접촉면이 접착제에 의해 상기 연결관체의 장착부의 측면에 접착되는 것을 특징으로 한다. According to an alternative embodiment, the third contact surface of the hermetic ring is bonded to the outer circumferential surface of the connecting portion of the connector by an adhesive, and the first contact surface of the hermetic ring is bonded to the side of the mounting portion of the connector by an adhesive. It features.

또 다른 실시예에 따르면, 상기 기밀링의 제2접촉면이 접착제에 의해 중공플러그의 단부에 접착되는 것을 특징으로 한다. According to another embodiment, the second contact surface of the hermetic ring is characterized in that the adhesive is bonded to the end of the hollow plug.

상기 기밀링은 이형성 재질로 이루어지거나 적어도 제2접촉면에 이형성 재질이 코팅된 구조로 이루어지는 것을 특징으로 한다. The hermetic ring is made of a releasable material or at least a second contact surface is characterized in that the structure is coated with a releasable material.

상기 기밀링의 제2접촉면은 상기 바이패스 구멍에 인접하게 형성되는 것을 특징으로 한다.The second contact surface of the hermetic ring is formed adjacent to the bypass hole.

본 발명에 의하면, 기밀링이 중공플러그의 단부와 장착부의 측면 사이에 개재됨에 따라 중공플러그의 단부가 그 나사회전력에 의해 보다 축선방향의 가압력을 인가함에 따라 기밀링에 의한 바이패스 구멍의 기밀성이 대폭 향상될 수 있고, 더불어 기밀링이 중공플러그에 대해 독립적으로 구성됨에 따라 기밀링의 노후화 내지 손상 등으로 인해 교체할 경우에 기밀링만의 교체가 매우 간편하고 이루어질 수 있으므로 그 유지보수비용이 대폭 절감되는 장점이 있다. According to the present invention, as the hermetic ring is interposed between the end of the hollow plug and the side of the mounting portion, the airtightness of the bypass hole by the hermetic ring is applied as the end of the hollow plug applies the axial pressing force by its screw rotational force. The sealing ring can be greatly improved, and as the sealing ring is configured independently of the hollow plug, when the replacement of the sealing ring due to aging or damage of the sealing ring is very simple and can be performed, the maintenance cost is greatly reduced. It has the advantage of being saved.

본 발명에 의하면, 제1나사부 및 제2나사부에 의해 중공플러그의 내주면이 접속부의 외주면에 대해 나사회전함에 따라 중공플러그의 회전작동이 더욱 원활하고 안정적으로 이루어질 수 있고, 특히 중공플러그가 바이패스구멍을 폐쇄하도록 전진한 상태에서는 중공플러그는 그 나사결합력을 통해 기밀링을 보다 강한 축선방향 가압력으로 가압함으로써 기밀링에 의한 기밀성이 대폭 높아지는 장점이 있다.According to the present invention, as the inner circumferential surface of the hollow plug is screwed with respect to the outer circumferential surface of the connecting portion by the first screw portion and the second screw portion, the rotation operation of the hollow plug can be made more smoothly and stably, in particular the hollow plug is bypassed. In the state of advancing to close the hole, the hollow plug has a merit that the airtightness of the airtight ring is greatly increased by pressing the airtight ring to a stronger axial pressing force through its screwing force.

본 발명에 의하면, 기밀링의 제1, 제2 및 제3 접촉면에 의해 연결관체의 장착부 측면과 중공플러그의 단부 사이에 매우 기밀하게 밀착될 수 있는 장점이 있다. According to the present invention, there is an advantage that the first, second and third contact surfaces of the hermetic ring can be very tightly adhered between the mounting part side of the connector and the end of the hollow plug.

본 발명에 의하면, 중공플러그 및 중공스템는 그 각각의 외주면에 하나 이상의 밀봉링을 가짐에 따라 케이싱의 급기구에 대한 밀봉성을 확보할 수 있는 장점이 있다. According to the present invention, the hollow plug and the hollow stem have an advantage of ensuring sealability to the air supply of the casing by having one or more sealing rings on their respective outer peripheral surfaces.

본 발명에 의하면, 중공스템의 외측단에 손잡이부가 마련되어 사용자에 의한 중공스템 및 중공플러그의 회전이 원활하게 이루어질 수 있는 장점이 있다. According to the present invention, the handle portion is provided on the outer end of the hollow stem has an advantage that the rotation of the hollow stem and the hollow plug by the user can be made smoothly.

본 발명에 의하면, 기밀링의 제3접촉면이 접속부의 외주면에 억지끼움식으로 결합됨으로써 기밀링이 접속부에 보다 견고하게 고착될 수 있고, 이에 중공플러그의 전진 및 후진 시에 기밀링의 유동이 확실하게 방지될 수 있으며, 이를 통해 중공플러그의 전진에 의한 바이패스 구멍의 폐쇄 및 중공플러그의 후진에 의한 바이패스 구멍의 개방 등이 매우 안정적으로 이루어질 수 있는 장점이 있다. According to the present invention, the third contact surface of the hermetic ring is forcibly fitted to the outer circumferential surface of the connection portion, so that the hermetic ring can be more firmly fixed to the connection portion, so that the flow of the airtight ring is ensured when the hollow plug is moved forward and backward. It can be prevented, and through this there is an advantage that the closing of the bypass hole by the forward of the hollow plug and the opening of the bypass hole by the backward of the hollow plug can be made very stable.

본 발명에 의하면, 기밀링의 제3접촉면이 접착제 의해 연결관체의 장착부 및 접속부에 접착됨에 따라 기밀링의 유동이 확실하게 방지될 수 있고, 이를 통해 중공플러그의 전진에 의한 바이패스 구멍의 폐쇄 시에 그 기밀성을 매우 강화할 수 있으며, 중공플러그의 후진에 의한 바이패스 구멍의 개방이 보다 원활하게 이루어질 수 있는 장점이 있다. According to the present invention, the flow of the airtight ring can be reliably prevented as the third contact surface of the airtight ring is adhered to the mounting portion and the connection portion of the connecting pipe by an adhesive, thereby closing the bypass hole by the advancement of the hollow plug. The airtightness can be very enhanced, there is an advantage that the opening of the bypass hole by the backward of the hollow plug can be made more smoothly.

본 발명에 의하면, 기밀링이 테프론 등과 같이 이형성이 높은 재질 또는 이형성 코팅이 이루어짐에 따라, 중공플러그의 후진 시에 중공플러그의 단부가 기밀링에서 용이하게 이격될 수 있으므로 바이패스 구멍의 개방작동이 매우 원활하게 이루어질 수 있는 장점이 있다. According to the present invention, as the airtight ring is made of a material having high releasability such as Teflon or a release coating, the end of the hollow plug can be easily spaced apart from the airtight ring at the time of retraction of the hollow plug. There is an advantage that can be made very smoothly.

본 발명에 의하면, 기밀링의 제2접촉면이 바이패스 구멍에 인접하게 형성됨에 따라 중공플러그의 후진 시에 바이패스 구멍의 개방이 보다 신속하고 안정적으로 이루어질 수 있는 장점이 있다.According to the present invention, since the second contact surface of the hermetic ring is formed adjacent to the bypass hole, the bypass hole can be opened more quickly and stably when the hollow plug is retracted.

도 1은 본 발명의 일 실시예에 따른 호흡보호용 공기공급장치의 압력조절기를 도시한 분해사시도이다. 1 is an exploded perspective view showing a pressure regulator of the respiratory protection air supply device according to an embodiment of the present invention.

도 2는 본 발명에 의한 호흡보호용 공기공급장치의 압력조절기를 도시한 정면도이다. Figure 2 is a front view showing a pressure regulator of the respiratory protection air supply apparatus according to the present invention.

도 3은 도 2의 A-A선을 따라 도시한 단면도이다. 3 is a cross-sectional view taken along the line A-A of FIG.

도 4는 도 3의 화살표 B 부분을 확대하여 도시한 도면이다. FIG. 4 is an enlarged view of a portion B of FIG. 3.

도 5는 본 발명에 의한 압력조절기의 급기조립체를 도시한 분해사시도이다.5 is an exploded perspective view showing the air supply assembly of the pressure regulator according to the present invention.

<부호의 설명><Description of the code>

10: 케이싱 20: 감압밸브10: casing 20: pressure reducing valve

30:다이어프램 40: 링크조립체30: diaphragm 40: link assembly

50: 급기조립체 51: 중공플러그50: air supply assembly 51: hollow plug

52: 중공스템 53: 회전링52: hollow stem 53: rotary ring

54: 급기호스 55: 기밀링54: supply hose 55: air tight ring

60: 연결관체 61: 장착부60: connector 61: mounting portion

62: 접속부 62: connection

이하, 본 발명의 바람직한 실시예를 첨부된 도면을 참조하여 상세히 설명한다. 참고로, 본 발명을 설명하는 데 참조하는 도면에 도시된 구성요소의 크기, 선의 두께 등은 이해의 편의상 다소 과장되게 표현되어 있을 수 있다. 또, 본 발명의 설명에 사용되는 용어들은 본 발명에서의 기능을 고려하여 정의한 것이므로 사용자, 운용자 의도, 관례 등에 따라 달라질 수 있다. 따라서, 이 용어에 대한 정의는 본 명세서의 전반에 걸친 내용을 토대로 내리는 것이 마땅하겠다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. For reference, the size of the components, the thickness of the line, and the like shown in the drawings referred to for describing the present invention may be somewhat exaggerated for ease of understanding. In addition, terms used in the description of the present invention are defined in consideration of the functions in the present invention and may vary according to a user, an operator's intention, customs, and the like. Therefore, the definition of this term should be based on the contents throughout the specification.

도 1 내지 도 5는 본 발명에 의한 호흡보호용 공기공급장치의 압력조절기를 도시한 도면이다. 1 to 5 is a view showing a pressure regulator of the respiratory protection air supply apparatus according to the present invention.

도 1 내지 도 3에 도시된 바와 같이, 본 발명에 의한 호흡보호용 공기공급장치의 압력조절기는, 일측에 급기구(15)가 마련된 케이싱(10)과, 케이싱(10) 내에 설치되어 급기되는 압축공기의 압력을 감압함과 더불어 압축공기의 흐름을 단속하는 감압밸브(20)와, 케이싱(10)의 내부 상측에 설치되어 착용자의 호흡에 따라 수축 및 팽창하는 다이어프램(30)와, 감압밸브(20) 및 다이어프램(30) 사이에 연결되어 다이어프램(30)의 수축 및 팽창에 연동하여 감압밸브(20)를 개폐시키는 링크조립체(40)와, 케이싱(10)의 급기구(15)에 설치된 급기조립체(50)를 포함한다. As shown in Figures 1 to 3, the pressure regulator of the respiratory protection air supply apparatus according to the present invention, the casing 10 is provided with an air supply mechanism 15 on one side, the compression is provided in the casing 10 is supplied air Pressure reducing valve 20 for reducing the pressure of air and intermittent the flow of compressed air, a diaphragm 30 installed above the casing 10 to contract and expand according to the wearer's breath, and a pressure reducing valve ( 20 is connected between the diaphragm 30 and the link assembly 40 which opens and closes the pressure reducing valve 20 in association with the contraction and expansion of the diaphragm 30, and the air supply provided in the air supply unit 15 of the casing 10. Assembly 50.

케이싱(10)은 그 상부가 개방되고, 이러한 개방된 상부에는 커버(11)가 결합된다. 케이싱(10)는 그 하부에 면체에 조립되는 조립돌출부(12)를 가지고, 조립돌출부(12)의 하단에는 통기공(13)이 형성되며, 케이싱(10)의 일측에는 급기조립체(50)가 설치되는 급기구(15)가 형성된다. The upper part of the casing 10 is opened, and the cover 11 is coupled to the open upper part. The casing 10 has an assembly protrusion 12 which is assembled to a lower surface of the casing 10, a vent hole 13 is formed at a lower end of the assembly protrusion 12, and an air supply assembly 50 is provided at one side of the casing 10. The air supply port 15 to be installed is formed.

감압밸브(20)는 케이싱(10)의 내부에 설치되고, 감압밸브(20)는 내부에 밸브시트(21a)를 가진 하우징(21)과, 하우징(21) 내에서 상하 이동하면서 밸브시트(21a)를 개폐하는 밸브체(22)와, 상기 밸브체(22)의 하단을 탄성적으로 지지하는 탄성부재(23)를 가진다. The pressure reducing valve 20 is installed in the casing 10, and the pressure reducing valve 20 has a housing 21 having a valve seat 21 a therein and a valve seat 21 a while moving up and down within the housing 21. ) And an elastic member 23 for elastically supporting a lower end of the valve body 22.

이러한 구성에 의해, 감압밸브(20)는 압축공기 저장탱크 등과 같은 압축공기 공급원으로부터 급기조립체(50)를 통해 공급되는 압축공기의 압력을 감압함과 더불어 탄성부재(23)의 탄성력과 압축공기의 압력에 의해 압축공기의 흐름이 적절히 단속될수 있다. By such a configuration, the pressure reducing valve 20 reduces the pressure of the compressed air supplied through the air supply assembly 50 from the compressed air source such as the compressed air storage tank, and the elastic force of the elastic member 23 and the compressed air. Pressure allows the flow of compressed air to be interrupted properly.

다이어프램(30)은 케이싱(10) 내의 상측공간 즉, 양압공간 내에 설치되고, 특히 다이어프램(30)은 착용자의 호흡에 따라 상하방향으로 수축 및 팽창하도록 구성된다. The diaphragm 30 is installed in the upper space of the casing 10, that is, the positive pressure space, and in particular, the diaphragm 30 is configured to contract and expand in the vertical direction in accordance with the wearer's breathing.

링크조립체(40)는 감압밸브(20) 및 다이어프램(30) 사이에 연결되어 다이어프램(30)의 수축 및 팽창에 연동하여 감압밸브(20)를 개폐시키도록 구성된다. Link assembly 40 is connected between the pressure reducing valve 20 and the diaphragm 30 is configured to open and close the pressure reducing valve 20 in conjunction with the contraction and expansion of the diaphragm (30).

링크조립체(40)는 도 1 및 도 3에 도시된 바와 같이, 감압밸브(20)의 일측에 힌지결합되어 감압밸브(20)를 가압 내지 해제함으로써 감압밸브(20)를 개폐하는 구동링크(41)와, 다이어프램(30)과 구동링크(41) 사이에 연결되어 다이어프램(30)의 수축 및 팽창에 연동하여 왕복운동하면서 구동링크(41)를 가압 내지 해제시키는 원동링크(42)를 가진다. As shown in FIGS. 1 and 3, the link assembly 40 is hinged to one side of the pressure reducing valve 20 to pressurize or release the pressure reducing valve 20 to open and close the pressure reducing valve 20. And a driving link 42 connected between the diaphragm 30 and the driving link 41 to pressurize or release the driving link 41 while reciprocating in conjunction with the contraction and expansion of the diaphragm 30.

구동링크(41)는 감압밸브(20)의 밸브하우징(21)의 상단에 힌지결합되고, 구동링크(41)의 일측에는 가압돌기(41a)가 구비된다. 다이어프램(40)의 수축 및 팽창에 따라 구동링크(41)가 피벗작동하면, 구동링크(41)의 가압돌기(41a)는 감압밸브(20)의 밸브체(22)를 가압 내지 해제함으로써 감압밸브(20)를 개폐한다. The drive link 41 is hinged to the upper end of the valve housing 21 of the pressure reducing valve 20, one side of the drive link 41 is provided with a pressing projection (41a). When the drive link 41 pivots as the diaphragm 40 contracts and expands, the pressure projection 41a of the drive link 41 pressurizes or releases the valve body 22 of the pressure reducing valve 20 to reduce the pressure. Open and close the 20.

원동링크(42)는 그 상단이 다이어프램(30)에 연결되고, 그 하단이 구동링크(41)에 연결된다. 원동링크(42)의 상단에는 걸림슬롯(42a)이 형성되고, 이러한 걸림슬롯(42a)에는 다이어프램(30)의 걸림체(35)가 걸려짐으로써 원동링크(42)의 상단은 다이어프램(30)에 안정되게 연결된다. The motive link 42 has an upper end connected to the diaphragm 30 and a lower end connected to the drive link 41. A locking slot 42a is formed at an upper end of the motive link 42, and the locking body 35 of the diaphragm 30 is caught in the locking slot 42a so that the upper end of the motive link 42 is diaphragm 30. It is connected stably to.

한편, 감압밸브(20)의 상단, 특히 밸브하우징(21)의 상단에는 연결관체(60)가 설치되고, 급기조립체(50)는 연결관체(60)를 통해 감압밸브(20)의 내부공간과 소통하도록 접속된다. On the other hand, the upper end of the pressure reducing valve 20, in particular the upper end of the valve housing 21, the connecting pipe 60 is installed, the air supply assembly 50 and the internal space of the pressure reducing valve 20 through the connecting pipe (60) Connected to communicate.

연결관체(60)는 감압밸브(20)의 밸브하우징(21)의 상단에 밀봉적으로 장착되는 장착부(61)와, 장착부(61)의 외주면에서 외측으로 연장되어 급기조립체(50)와 소통되게 접속되는 접속부(62)를 가진다. The connection pipe 60 is mounted to the upper end of the valve housing 21 of the pressure reducing valve 20 and the mounting portion 61, and extends outward from the outer peripheral surface of the mounting portion 61 to communicate with the air supply assembly 50 It has the connection part 62 connected.

장착부(61)는 중공형 원통구조로 이루어져 밸브하우징(21)의 상단 외주면에 끼움결합되고, 장착부(61)의 내주면과 밸브하우징(21)의 상단 외주면 사이에는 하나 이상의 밀봉링이 개재됨으로써 장착부(61)는 감압밸브(20)의 밸브하우징(21)의 상단에 밀봉적으로 장착된다. Mounting portion 61 is made of a hollow cylindrical structure is fitted to the outer peripheral surface of the upper end of the valve housing 21, one or more sealing rings are interposed between the inner peripheral surface of the mounting portion 61 and the upper outer peripheral surface of the valve housing 21, the mounting portion ( 61 is sealingly mounted on the upper end of the valve housing 21 of the pressure reducing valve (20).

접속부(62)는 장착부(61)의 외주면에서 외측으로 연장된 관체 구조로 이루어지고, 접속부(62)의 일측에는 바이패스 구멍(63)이 형성된다. 케이싱(10) 특히, 조립돌출부(12)의 내부에는 감압밸브(20)의 주변공간에 바이패스 구멍(63)과 소통하는 바이패스 유로(64)가 형성되고, 이러한 바이패스 유로(64)는 케이싱(10)의 통기공(13)과 소통하도록 구성된다. The connecting portion 62 has a tubular structure extending outward from the outer circumferential surface of the mounting portion 61, and a bypass hole 63 is formed at one side of the connecting portion 62. In the casing 10, in particular, in the assembly protrusion 12, a bypass flow path 64 communicating with the bypass hole 63 is formed in the peripheral space of the pressure reducing valve 20, and the bypass flow path 64 is formed. It is configured to communicate with the vent hole 13 of the casing 10.

급기조립체(50)는 연결관체(60)의 접속부(62)에 나사회전 방식으로 결합되어 축선방향으로 전후진하면서 바이패스 구멍(63)을 개폐하는 중공플러그(51)와, 중공플러그(51)에 분리가능하게 결합되어 중공플러그(51)를 나사회전시키는 중공스템(52)과, 중공플러그(51)의 단부와 연결관체(60)의 장착부(61)의 측면 사이에 개재된 기밀링(55)을 포함한다. The air supply assembly 50 is coupled to the connecting portion 62 of the connecting pipe 60 in a screw-rotating manner, the hollow plug 51 opening and closing the bypass hole 63 while moving forward and backward in the axial direction, and the hollow plug 51. A hollow stem 52 detachably coupled to the hollow stem 51 for rotating the hollow plug 51, and an airtight ring 55 interposed between an end of the hollow plug 51 and a side surface of the mounting portion 61 of the connector 60. ).

도 3 및 도 4에 도시된 바와 같이, 중공플러그(51)는 내부에 중공부가 형성된 중공형 원통구조로 이루어지고, 중공플러그(51)의 일단은 연결관체(60)의 접속부(62)에 나사회전 방식으로 결합되며, 중공플러그(51)의 타단은 중공스템(52)에 분리가능하게 결합되어 케이싱(10)의 급기구(15) 내에 회전가능하게 설치된다. 3 and 4, the hollow plug 51 is formed of a hollow cylindrical structure having a hollow portion therein, one end of the hollow plug 51 is screwed to the connection portion 62 of the connecting pipe 60 Is coupled in a rotational manner, the other end of the hollow plug 51 is detachably coupled to the hollow stem 52 is rotatably installed in the air supply port 15 of the casing (10).

도 4 및 도 5에 도시된 바와 같이, 중공플러그(51)의 타단에는 일자형의 끼움홈(51a)이 형성되고, 중공스템(52)의 일단에는 하나 이상의 끼움돌기(52a)가 형성된다. 이에 중공스템(52)의 끼움돌기(52a)가 중공플러그(51)의 끼움홈(51a)에 끼워짐으로써 중공플러그(51)와 중공스템(52)은 분리가능하게 결합될 수 있다. 4 and 5, the other end of the hollow plug 51 has a straight fitting groove 51a formed therein, and one or more fitting protrusions 52a are formed at one end of the hollow stem 52. The fitting protrusion 52a of the hollow stem 52 is fitted into the fitting groove 51a of the hollow plug 51 so that the hollow plug 51 and the hollow stem 52 can be detachably coupled to each other.

중공스템(52)은 그 내부에 중공부가 형성된 중공형 원통구조로 이루어지고, 중공스템(52)의 일단 외주면은 케이싱(10)의 급기구(15) 내에 회전가능하게 설치되고, 중공스템(52)의 타단 외주면은 케이싱(10)의 급기구(15)에서 외측으로 돌출되게 구성된다. Hollow stem 52 is formed of a hollow cylindrical structure having a hollow portion therein, one outer peripheral surface of the hollow stem 52 is rotatably installed in the air supply port 15 of the casing 10, the hollow stem 52 The outer peripheral surface of the other end is configured to protrude outward from the air supply port 15 of the casing 10.

특히, 중공플러그(51) 및 중공스템(52) 각각은 그 외주면에 하나 이상의 밀봉링이 마련된 상태로 급기구(15)의 내주면에서 전후진하도록 설치됨으로써, 케이싱(10)의 급기구(15)에 대한 밀봉성을 확보할 수 있는 장점이 있다. In particular, each of the hollow plug 51 and the hollow stem 52 is installed to advance back and forth on the inner circumferential surface of the air supply port 15 with one or more sealing rings provided on its outer circumferential surface, thereby supplying the air supply hole 15 of the casing 10. There is an advantage that can secure the sealing against.

그리고, 중공스템(52)의 타단 외주면에는 회전링(53)이 회전가능하게 설치되고, 회전링(53)에는 급기호스(54)가 접속되며, 급기호스(54)는 압축공기 저장탱크 등과 같은 압축공기 공급원으로부터 연장된다. In addition, the other end of the hollow stem 52 is provided with a rotation ring 53 rotatably installed thereon, and an air supply hose 54 is connected to the rotation ring 53, and the air supply hose 54 is a compressed air storage tank or the like. Extend from a source of compressed air.

또한, 회전링(53)과 면하는 중공스템(52)의 타단 외주면에는 복수의 통기공(52c)이 형성되어 중공스템(52)의 내부공간은 급기호스(54)와 소통할 수 있다. In addition, a plurality of vent holes 52c are formed on the outer circumferential surface of the other end of the hollow stem 52 facing the rotary ring 53 so that the internal space of the hollow stem 52 may communicate with the air supply hose 54.

기밀링(55)은 접속부(62)의 외주면에 대응하는 내경면을 가진 환형 구조로 이루어져 접속부(62)의 외주면에 끼워진 상태에서 중공플러그(51)의 단부(51f)와 장착부(61)의 측면(61f) 사이에 축선방향으로 개재된다. 특히, 중공플러그(51), 기밀링(55)은 동일한 중심을 가지도록 배열됨이 바람직하다. The hermetic ring 55 has an annular structure having an inner diameter surface corresponding to the outer circumferential surface of the connecting portion 62, and is fitted to the end portion 51f of the hollow plug 51 and the side surface of the mounting portion 61 in a state of being fitted to the outer circumferential surface of the connecting portion 62. It interposes in the axial direction between 61f. In particular, the hollow plug 51, the hermetic ring 55 is preferably arranged to have the same center.

이와 같이, 기밀링(55)이 중공플러그(51)의 단면(51f)과 장착부(61)의 측면(61f) 사이에 기밀하게 개재됨에 따라 중공플러그(51)의 단부는 그 나사회전력을 통해 기밀링(55)을 강한 축선방향으로 가압할 수 있다. 이에, 기밀링(55)에 의한 바이패스 구멍(63)의 기밀성이 대폭 향상될 수 있고, 더불어 기밀링(55)이 중공플러그(51)에 대해 독립적으로 구성됨에 따라 기밀링(55)의 노후화 내지 손상 등으로 인해 교체할 경우에 기밀링(55)만의 교체가 매우 간편하고 이루어질 수 있으므로 그 유지보수비용이 대폭 절감되는 장점이 있다.In this way, as the hermetic ring 55 is hermetically interposed between the end face 51f of the hollow plug 51 and the side face 61f of the mounting portion 61, the end of the hollow plug 51 is provided with the screw rotational force. The milling 55 can be pressed in a strong axial direction. Accordingly, the airtightness of the bypass hole 63 by the airtight ring 55 can be greatly improved, and the airtight ring 55 is configured independently of the hollow plug 51, thereby aging the airtight ring 55. In case of replacement due to damage or the like, the replacement of the airtight ring 55 is very simple and can be made, and thus the maintenance cost is greatly reduced.

그리고, 기밀링(55)은 연결관체(60)의 장착부(61)의 측면(61f)과 접촉하는 제1접촉면(55a)과, 중공플러그(51)의 단면(51f)과 접촉하는 제2접촉면(55b)과, 접속부(62)의 외주면과 접촉하는 제3접촉면(55c)을 가진 단면구조로 이루어진다.In addition, the hermetic ring 55 has a first contact surface 55a in contact with the side surface 61f of the mounting portion 61 of the connecting pipe 60 and a second contact surface in contact with the end surface 51f of the hollow plug 51. It has a cross-sectional structure having a 55b and a third contact surface 55c in contact with the outer circumferential surface of the connecting portion 62.

제1 및 제2 접촉면(55a, 55b)은 평탄하게 형성되고, 이에 기밀링(55)의 제1접촉면(55a)은 연결관체(60)의 장착부(61)의 측면(61f)에 기밀하게 밀착됨과 더불어 기밀링(55)의 제2접촉면(55b)은 중공플러그(51)의 단부(51f)에 기밀하게 밀착될 수 있다. The first and second contact surfaces 55a and 55b are formed flat, whereby the first contact surface 55a of the hermetic ring 55 is hermetically adhered to the side surface 61f of the mounting portion 61 of the connector 60. In addition, the second contact surface 55b of the hermetic ring 55 may be hermetically adhered to the end 51f of the hollow plug 51.

그리고, 제3접촉면(55c)은 기밀성(55)의 내경면에 해당하는 부분으로, 접속부(62)의 외주면과 접촉하도록 구성된다. The third contact surface 55c is a portion corresponding to the inner diameter surface of the airtightness 55 and is configured to contact the outer circumferential surface of the connecting portion 62.

일 실시예에 따르면, 기밀링(55)의 제3접촉면(55c)은 접속부(62)의 외주면에 억지끼움식으로 결합될 수 있다. 이와 같이, 제3접촉면(55c)이 억지끼움방식으로 접속부(62)의 외주면에 결합됨으로써 기밀링(55)이 접속부(62)에 견고하게 고착될 수 있고, 이에 중공플러그(51)의 전진 및 후진 시에 기밀링(55)의 유동이 확실하게 방지될 수 있으며, 이를 통해 중공플러그(51)의 전진에 의한 바이패스 구멍(63)의 폐쇄 및 중공플러그(51)의 후진에 의한 바이패스 구멍(63)의 개방 등이 매우 안정적으로 이루어질 수 있는 장점이 있다. According to one embodiment, the third contact surface 55c of the hermetic ring 55 may be coupled to the outer circumferential surface of the connecting portion 62 by interference fit. In this way, the third contact surface 55c is coupled to the outer circumferential surface of the connecting portion 62 in an interference fit manner so that the airtight ring 55 may be firmly fixed to the connecting portion 62, thereby advancing the hollow plug 51 and The flow of the airtight ring 55 can be reliably prevented at the time of backward movement, thereby closing the bypass hole 63 by the forward of the hollow plug 51 and bypass hole by the backward of the hollow plug 51. There is an advantage that the opening of (63) can be made very stable.

대안적인 실시예에 따르면, 기밀링(55)의 제3접촉면(55c)이 접착제 의해 연결관체(60)의 접속부(62)의 외주면(62f)에 접착될 수 있다. 그리고, 기밀링(55)의 제1접촉면(55a)이 접착제에 의해 연결관체(60)의 장착부(61)의 측면(61f)에 접착될 수도 있다. According to an alternative embodiment, the third contact surface 55c of the hermetic ring 55 may be adhered to the outer circumferential surface 62f of the connecting portion 62 of the connector 60 by an adhesive. In addition, the first contact surface 55a of the hermetic ring 55 may be attached to the side surface 61f of the mounting portion 61 of the connector 60 by an adhesive.

이와 같이, 기밀링(55)의 제3접촉면(55c)이 접착제 의해 접속부(62)에 접착됨에 따라 기밀링(55)의 유동이 확실하게 방지될 수 있고, 이를 통해 중공플러그(51)의 전진에 의한 바이패스 구멍(63)의 폐쇄 시에 그 기밀성을 매우 강화할 수 있으며, 중공플러그(51)의 후진에 의한 바이패스 구멍(63)의 개방이 보다 원활하게 이루어질 수 있는 장점이 있다. In this way, as the third contact surface 55c of the hermetic ring 55 is adhered to the connecting portion 62 by an adhesive, the flow of the hermetic ring 55 can be reliably prevented, thereby advancing the hollow plug 51. When the bypass hole 63 is closed by the airtightness can be greatly enhanced, there is an advantage that the opening of the bypass hole 63 by the backward of the hollow plug 51 can be made more smoothly.

또 다른 실시예에 따르면, 기밀링(55)의 제2접촉면(55b)이 접착제에 의해 중공플러그(51)의 단부(51f)에 접착되고, 제1 및 제3 접촉면(55a, 55c)은 연결관체(60)의 장착부(61), 접속부(62)에 접착되지 않도록 구성될 수 있다. 이와 같이, 기밀링(55)의 제2접촉면(55b)만이 중공플러그(51)의 단부(51f)에 접착된 경우, 기밀링(55)은 중공플러그(51)과 함께 전후진하면서 바이패스 구멍(63)을 개폐할 수 있다. According to another embodiment, the second contact surface 55b of the hermetic ring 55 is bonded to the end 51f of the hollow plug 51 by an adhesive, and the first and third contact surfaces 55a and 55c are connected. It can be comprised so that it may not adhere to the mounting part 61 and the connection part 62 of the tubular body 60. As such, when only the second contact surface 55b of the hermetic ring 55 is bonded to the end 51f of the hollow plug 51, the hermetic ring 55 moves forward and backward with the hollow plug 51 while bypassing the hole. (63) can be opened and closed.

기밀링(55)은 고무, 저압사출소재 등과 같은 일반적인 밀봉소재로 이루어질 수도 있고, 그외에 테프론 등과 같이 이형성 재질로 이루어지거나 적어도 제2접촉면(55b)을 포함한 외면에 이형성 코팅층이 형성될 수도 있다. The airtight ring 55 may be made of a general sealing material such as rubber, low pressure injection material, or the like, or may be made of a release material such as Teflon, or a release coating layer may be formed on an outer surface including at least the second contact surface 55b.

이와 같이, 기밀링(55)이 이형성 재질로 이루어지거나 이형성 코팅층이 형성될 경우, 중공플러그(51)의 후진 시에 중공플러그(51)의 단부(51f)가 기밀링(55)의 제2접촉면(55b)에서 용이하게 이격될 수 있으므로 바이패스 구멍(63)의 개방작동이 매우 원활하게 이루어질 수 있는 장점이 있다. As such, when the airtight ring 55 is made of a release material or a release coating layer is formed, the end portion 51f of the hollow plug 51 is second contact surface of the airtight ring 55 when the hollow plug 51 is retracted. Since it can be easily spaced at 55b, there is an advantage that the opening operation of the bypass hole 63 can be made very smoothly.

그리고, 기밀링(55)의 제2접촉면(55b)은 바이패스 구멍(63)에 인접하게 형성됨으로써 중공플러그(51)의 후진 시에 바이패스 구멍(63)의 개방이 보다 신속하고 안정적으로 이루어질 수 있는 장점이 있다.In addition, the second contact surface 55b of the hermetic ring 55 is formed adjacent to the bypass hole 63 so that the bypass hole 63 can be opened more quickly and stably when the hollow plug 51 is retracted. There are advantages to it.

한편, 도 4에 도시된 바와 같이, 중공플러그(51)는 그 내주면에 제1나사부(71)가 형성되고, 연결관체(60)의 접속부(62)는 그 외주면에 제2나사부(72)가 형성되고, 이에 중공플러그(51)의 제1나사부(71)가 접속부(62)의 제2나사부(72)에 대해 나사회전함에 따라 중공플러그(51)가 접속부(62)에 대해 전후진하여 접속부(62)의 바이패스 구멍(63)을 개폐한다. On the other hand, as shown in Figure 4, the hollow plug 51 has a first screw portion 71 is formed on the inner peripheral surface, the connecting portion 62 of the connector 60 is a second screw portion 72 on the outer peripheral surface As the first screw portion 71 of the hollow plug 51 is screw-rotated with respect to the second screw portion 72 of the connecting portion 62, the hollow plug 51 moves forward and backward with respect to the connecting portion 62. The bypass hole 63 of the connecting portion 62 is opened and closed.

이와 같이, 제1나사부(71) 및 제2나사부(72)에 의해 중공플러그(51)의 내주면이 접속부(52)의 외주면에서 나사회전함에 따라 중공플러그(51)의 회전작동이 더욱 원활하고 안정적으로 이루어질 수 있고, 특히 중공플러그(51)가 바이패스구멍(63)을 폐쇄하도록 전진한 상태에서 중공플러그(51)의 나사결합력에 의해 중공플러그(51)의 단면(51f)이 기밀링(55)을 보다 강한 축선방향 가압력으로 가압할 수 있으므로 기밀링(55)에 의한 바이패스 구멍(63)의 기밀성이 대폭 높아지는 장점이 있다. In this way, as the inner circumferential surface of the hollow plug 51 is screwed on the outer circumferential surface of the connecting portion 52 by the first screw portion 71 and the second screw portion 72, the rotation operation of the hollow plug 51 is smoother and smoother. The end surface 51f of the hollow plug 51 is sealed by a screwing force of the hollow plug 51 in a state where the hollow plug 51 is advanced to close the bypass hole 63. Since 55 can be pressed with a stronger axial pressing force, there is an advantage in that the airtightness of the bypass hole 63 by the airtight ring 55 is significantly increased.

그리고, 중공스템(52)의 외측단에는 파지가 용이한 손잡이부(56)가 마련되고, 이러한 손잡이부(56)에 의해 사용자는 중공스템(52) 및 중공플러그(51)의 회전이 매우 원활하게 진행할 수 있다.And, the outer end of the hollow stem 52 is provided with a grip portion 56 is easy to grip, by the handle 56, the user is very smooth rotation of the hollow stem 52 and the hollow plug 51 You can proceed.

이상, 본 발명의 구체적인 실시예를 설명하였으나, 본 발명은 이 명세서에 개시된 실시예 및 첨부된 도면에 의하여 한정되지 않으며 본 발명의 기술적 사상을 벗어나지 않는 범위 이내에서 당업자에 의하여 다양하게 변형될 수 있다.As mentioned above, specific embodiments of the present invention have been described, but the present invention is not limited to the embodiments disclosed in the present specification and the accompanying drawings, and may be variously modified by those skilled in the art without departing from the technical spirit of the present invention. .

Claims (4)

일측에 급기구가 마련되고, 상기 급기구 내에 설치된 급기조립체를 통해 압축공기가 급기되는 케이싱;A casing is provided on one side, the compressed air is supplied through the air supply assembly installed in the air supply; 상기 케이싱의 내부에서 연결관체를 매개로 상기 급기조립체와 소통되게 접속되고, 급기되는 압축공기의 압력을 감압함과 더불어 압축공기의 흐름을 단속하는 감압밸브;A pressure reducing valve connected to communicate with the air supply assembly through a connecting pipe in the casing, and to reduce the pressure of the compressed air to be supplied and to regulate the flow of compressed air; 케이싱의 내부에 설치되어 착용자의 호흡에 따라 수축 및 팽창하는 다이어프램; 및A diaphragm installed inside the casing to contract and expand according to the wearer's breath; And 상기 감압밸브 및 다이어프램 사이에 연결되어 상기 다이어프램의 수축 및 팽창에 연동하여 상기 감압밸브를 개폐시키는 링크조립체;를 포함하고, And a linkage assembly connected between the pressure reducing valve and the diaphragm to open and close the pressure reducing valve in association with the contraction and expansion of the diaphragm. 상기 연결관체는 상기 감압밸브의 상단에 밀봉적으로 장착되는 장착부 및 상기 장착부의 외주면에서 외측으로 연장되어 상기 급기조립체에 소통되게 접속되는 접속부를 가지며, The connecting pipe has a mounting portion that is sealedly mounted on the upper end of the pressure reducing valve and a connecting portion extending outward from the outer peripheral surface of the mounting portion to be in communication with the air supply assembly, 상기 접속부의 외주면에는 바이패스 구멍이 형성되며, 상기 케이싱의 내부에는 바이패스 구멍과 소통하는 바이패스 유로가 형성되고, A bypass hole is formed on an outer circumferential surface of the connection portion, and a bypass flow passage communicating with the bypass hole is formed inside the casing, 상기 급기조립체는,The air supply assembly, 상기 연결관체의 접속부에 나사회전 방식으로 결합되어 축선방향으로 전후진하면서 상기 바이패스 구멍을 개폐하는 중공플러그; A hollow plug coupled to a connecting portion of the connecting pipe by a screw rotation method to open and close the bypass hole while moving forward and backward in an axial direction; 상기 중공플러그에 분리가능하게 결합되어 상기 중공플러그를 나사회전시키는 중공스템; 및 A hollow stem detachably coupled to the hollow plug to screw the hollow plug; And 상기 접속부의 외주면에 대응하는 내경면을 가진 환형 구조로 이루어지고, 상기 접속부의 외주면에 끼워진 상태에서 상기 중공플러그의 단부와 상기 장착부의 측면 사이에 축선방향으로 개재되는 기밀링;을 가지는 것을 특징으로 하는 것을 특징으로 하는 호흡보호용 공기공급장치의 압력조절기.An annular structure having an inner diameter surface corresponding to an outer circumferential surface of the connection portion, and an airtight ring interposed axially between an end of the hollow plug and a side surface of the mounting portion in a state of being fitted to the outer circumferential surface of the connection portion; Pressure regulator of the respiratory protection air supply device, characterized in that. 청구항 1에 있어서, The method according to claim 1, 상기 중공플러그는 그 내주면에 제1나사부가 형성되고, 상기 연결관체의 접속부는 그 외주면에 제2나사부가 형성됨으로써 상기 중공플러그의 제1나사부가 상기 접속부의 제2나사부에 대해 나사회전함에 따라 상기 중공플러그가 상기 접속부에 대해 전후진하여 상기 접속부의 바이패스 구멍을 개폐하도록 구성되는 것을 특징으로 하는 호흡보호용 공기공급장치의 압력조절기.The hollow plug has a first screw portion formed on an inner circumferential surface thereof, and a connecting portion of the connecting pipe is formed with a second screw portion formed on an outer circumferential surface thereof so that the first screw portion of the hollow plug is screwed with respect to the second screw portion of the connecting portion. And the hollow plug is moved forward and backward with respect to the connection part to open and close the bypass hole of the connection part. 청구항 1에 있어서, The method according to claim 1, 상기 중공플러그 및 중공스템 각각은 그 외주면에 하나 이상의 밀봉링이 마련된 상태로 상기 급기구의 내주면에서 전후진하도록 설치되는 것을 특징으로 하는 호흡보호용 공기공급장치의 압력조절기.Each of the hollow plug and the hollow stem is installed on the outer circumferential surface of the pressure regulator of the air supply device for respiratory protection, characterized in that it is installed to move forward and backward on the inner circumferential surface of the air supply. 청구항 1에 있어서, The method according to claim 1, 상기 중공스템의 외측단에는 파지가 용이한 손잡이부가 마련되는 것을 특징으로 하는 호흡보호용 공기공급장치의 압력조절기.The pressure regulator of the respiratory protection air supply device, characterized in that the handle portion is provided on the outer end of the hollow stem easy grip.
PCT/KR2015/005990 2014-09-15 2015-06-15 Pressure regulator of air supply apparatus for respiratory protection Ceased WO2016043409A1 (en)

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KR1020140121896A KR101454011B1 (en) 2014-09-15 2014-09-15 Pressure regulator of an air supply aappratus for respiratory protection
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PCT/KR2015/005990 Ceased WO2016043409A1 (en) 2014-09-15 2015-06-15 Pressure regulator of air supply apparatus for respiratory protection

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CN (1) CN107073302B (en)
WO (1) WO2016043409A1 (en)

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Publication number Priority date Publication date Assignee Title
KR20220091927A (en) 2020-12-24 2022-07-01 주식회사 한컴라이프케어 Decompression regulator for respirator

Citations (4)

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Publication number Priority date Publication date Assignee Title
EP0937640B1 (en) * 1998-02-20 2001-11-07 HTM SPORT S.p.A. Regulator with bypass tube
JP3683622B2 (en) * 1995-07-28 2005-08-17 興研株式会社 Inspiratory breathing mask
KR100821655B1 (en) * 2007-02-01 2008-04-14 신우공업 주식회사 Composite control valve body of fluid control valve
KR101371432B1 (en) * 2013-11-01 2014-03-07 주식회사 산청 Pressure regulator of an air supply apparatus for respiratory protection having a bypass structure

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CN2822686Y (en) * 2005-09-12 2006-10-04 黄庆田 Controllable mask with filter for reusing exhaled air
EP2464404B1 (en) * 2009-08-11 2017-06-28 ResMed Motor Technologies Inc. Single stage, axial symmetric blower and ventilator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3683622B2 (en) * 1995-07-28 2005-08-17 興研株式会社 Inspiratory breathing mask
EP0937640B1 (en) * 1998-02-20 2001-11-07 HTM SPORT S.p.A. Regulator with bypass tube
KR100821655B1 (en) * 2007-02-01 2008-04-14 신우공업 주식회사 Composite control valve body of fluid control valve
KR101371432B1 (en) * 2013-11-01 2014-03-07 주식회사 산청 Pressure regulator of an air supply apparatus for respiratory protection having a bypass structure

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KR101454011B1 (en) 2014-11-04
CN107073302B (en) 2021-04-30
CN107073302A (en) 2017-08-18

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