WO2015046929A1 - Raccord pour respirateur à air - Google Patents

Raccord pour respirateur à air Download PDF

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Publication number
WO2015046929A1
WO2015046929A1 PCT/KR2014/008984 KR2014008984W WO2015046929A1 WO 2015046929 A1 WO2015046929 A1 WO 2015046929A1 KR 2014008984 W KR2014008984 W KR 2014008984W WO 2015046929 A1 WO2015046929 A1 WO 2015046929A1
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WO
WIPO (PCT)
Prior art keywords
sleeve
ball
unlocking
socket body
locking
Prior art date
Application number
PCT/KR2014/008984
Other languages
English (en)
Korean (ko)
Inventor
김종기
Original Assignee
주식회사 산청
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.)
Filing date
Publication date
Application filed by 주식회사 산청 filed Critical 주식회사 산청
Priority to CN201480015087.8A priority Critical patent/CN105050666B/zh
Publication of WO2015046929A1 publication Critical patent/WO2015046929A1/fr

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Classifications

    • 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
    • A62B9/04—Couplings; Supporting frames
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/22—Couplings of the quick-acting type in which the connection is maintained by means of balls, rollers or helical springs under radial pressure between the parts
    • F16L37/23—Couplings of the quick-acting type in which the connection is maintained by means of balls, rollers or helical springs under radial pressure between the parts by means of balls

Definitions

  • the present invention relates to an air respirator coupler, and more particularly, to an air respirator coupler for communicatively coupling between an air valve and a hose of an air tank.
  • a respiratory protection air supply device that is, an air respirator
  • an air respirator is a toxic gas used in an industrial site where noxious gas and dust are generated, oxygen deficiency sites such as manholes in mine shafts, and lifesaving workers such as fire sites. It is used to protect the breathing by preventing the inhalation of air, and forms an air supply valve and an exhaust valve on the facepiece to supply compressed air stored in the air tank to the inside of the mask through a hose, one or more regulators, and an air supply valve. Exhaled air generated by breathing is discharged to the outside through the exhaust valve.
  • FIG. 1 is a view illustrating a conventional coupler structure for an air respirator, as shown in the air valve 110 is provided on one side of the air tank 130, the air tank 130 on one side of the air valve 110
  • the regulator 120 for controlling the pressure of the air supplied from the air is connected to the regulator 120, the air hose 140 is connected to the air supply valve side of the surface.
  • the air valve 110 and the regulator 120 are communicatively connected by the coupler 101.
  • the regulator 120 by the coupler 101 from the air valve 110 of the air tank 130 After separation, the replacement is accomplished by coupling the new air tank, fully filled with air, by the coupler 101 to the regulator 120. That is, replacement of the air tank 130 with respect to the regulator 120 may be easily performed by the detachable coupling of the coupler 101.
  • the coupler 101 has a plug 103 connected to the air valve 110 and a socket 105 connected to the regulator 120.
  • the plug 103 and the socket 105 of the coupler 101 should be made of a very solid and easy coupling.
  • the conventional coupler 101 has a screw coupling structure of the plug 103 and the socket 105 with an emphasis on the fastening safety, but this has a disadvantage in greatly reducing the convenience and quickness of the coupling.
  • the snap coupling structure when the snap coupling structure is adopted in the coupler, the coupling operation of the plug and the socket is easily performed, but the locking structure that maintains the coupling state is simply configured as most of them are designed for ease of coupling rather than coupling stability.
  • the locking state of the plug and the socket can be easily released, i.e., it can be unlocked too simply even if a slight external force is applied. Therefore, an operator who works in a toxic material contaminated area, such as a firefighter, has an accident that the locking of the plug and socket is released when the coupler is caught or pressurized, such that the air supply from the air container to the mask is interrupted. There was a problem that occurred.
  • the present invention was created in order to completely solve the various disadvantages of the prior art as described above, it is possible to lock and unlock the socket and plug at a time very easily by the locking operation, as well as to easily unlock (unlock)
  • the purpose is to provide a coupler for an air respirator which can be prevented.
  • the object of the present invention is to provide a coupler for an air respirator, which is configured in a double unlocking method in which unlocking is performed through two-step operation.
  • the locking is interlocked by the movement of some parts constituting the socket, and in addition, the moving parts can be easily fixed to the moved positions, and further, the parts for unlocking are easily configured and easy to use.
  • Another object is to provide a coupler for an air respirator.
  • Another object of the present invention is to provide a coupler for an air respirator capable of movably supporting a socket coupled to a sleeve to stably and easily engage and disconnect the socket.
  • a component for reinforcing the airtightness of the socket and plug in addition to some of the components for enhancing the airtightness is configured to be movable, and further to provide a coupler for the respirator that can easily connect the socket to other parts. For another purpose.
  • the through-hole steel ball receiving hole is formed, the master ball is housed so as to be movable, the hollow sleeve is installed on the outer circumferential surface;
  • a locking unit interlocked with the sleeve moved along the socket body to a locking position and locking the plug body coupled to the socket body by constraining a portion of the master ball to the plug body; And unlocking the plug body locked by releasing the restraint of the master ball restrained from the sleeve and the plug body restrained by the stopper and interlocked with the sleeve moved to the unlocking position opposite to the locking position.
  • the unlocking unit comprises: a first unlocking unit for releasing the restraint of the sleeve by the stopper to allow the sleeve to move from the locking position to the unlocking position; And a second unlocking unit for unlocking the plug body by providing a movement space of the master ball to release the rest of the master ball by the sleeve moved to the unlocking position.
  • the stopper may include, for example, a first stopper provided at the locking position to restrain the sleeve of the socket body at the locking position; And a second stopper provided on the opposite side of the first stopper and positioned at the unlocking position and constraining the sleeve moved to the unlocking position to the unlocking position.
  • the first stopper is provided in a protruding state, for example, on one side of the socket body corresponding to the locking position, and the socket protrusion which prevents the sleeve from moving to one side while being caught by the sleeve or a member provided in the sleeve in the same manner. ; And a locking step protruding from the sleeve and being caught by a portion of the master ball protruding from the socket body to suppress movement of the sleeve. And a locking step protruding from the sleeve and being caught by a portion of the master ball protruding from the socket body, thereby preventing movement of the sleeve together with the locking step.
  • the second stopper may include, for example, a slab ball movably installed in the socket body while penetrating through the socket body; A stopper ball seat formed in a groove shape in a portion of the sleeve corresponding to the unlocking position, and preventing the sleeve from moving in the axial direction as the slab ball is inserted and locked; And a support protrusion movably installed inside the socket body and supporting the slab ball according to the movement position to guide the slab ball to the stopper ball seat.
  • the locking unit may include, for example, a locking ball seat formed in a groove shape in the plug body to which one side of the master ball is inserted. And a locking protrusion protruding from the sleeve of the socket body and guiding the other side of the master ball to the locking ball seat.
  • the first unlocking unit includes, for example, a groove having a size that prevents the master ball from protruding to the outside of the socket body, and is provided in a part of the plug body, and the master ball is moved by the movement of the plug body.
  • An unlocking ball seat for releasing the restraint of the sleeve bound by the stopper as it is received; And a pressing member provided in the same body in the sleeve and pressurizing the master ball by the movement of the sleeve to guide the unlocking ball seat.
  • the second unlocking unit is made of, for example, a groove having a size that prevents the master ball from protruding into the socket body, and is provided in the same part of the sleeve, and the position of the master ball by moving the sleeve.
  • the socket body is moved to a position corresponding to the unlocked state by releasing the restraint of the master ball restrained in the socket body as the master ball is received while being moved by the pressing of the socket body separated from the plug body It can be configured as; sleeve ball sheet for unlocking.
  • the present invention may further include a support unit for movably supporting the socket body in the plug body.
  • the support unit may include, for example, a support for movably supporting the socket body in the plug body; And a support elastic body for elastically supporting the support.
  • the present invention may further include a sleeve elastic body for elastically supporting the sleeve.
  • the present invention it is necessary to further include a pipe joint unit for reinforcing airtightness by providing a pipe joint inside the socket body and the plug body.
  • the pipe joint unit may include, for example, a socket pipe joint provided inside the socket body; And a plug pipe joint provided in the plug body and directly connected to the socket pipe joint.
  • the pipe joint unit may further include a pipe joint elastic body that elastically supports the plug pipe joint, for example.
  • the present invention may further include a socket adapter coupled to the socket body and fixed to a device requiring supply of fluid to connect the socket body to the device.
  • the coupler for the respirator according to the present invention performs locking by restraining a part of the master ball to the plug body while the locking unit is operated by the sleeve moving to the locking position, and the sleeve must be moved to release the locking. Therefore, the locking state can be confirmed through the movement position of the sleeve.
  • the second unlocking unit sequentially releases the restraint of the master ball restrained on the plug body to complete the unlocking (unlocking), thereby providing a double safety device. This can enhance safety.
  • the locking body can be easily locked and can be firmly maintained.
  • the first stopper and the second stopper respectively restrict the movement of the sleeve according to the movement position of the sleeve, it is possible to stably fix the moved sleeve at the movement position.
  • the first stopper protrudes from one side of the socket body. Since the first stopper can be easily configured since the socket protrusion is formed, the second stopper has a stopper ball seat to which the slab ball is fixed, and thus the sleeve can be fixed very stably in the moving position.
  • the first unlocking can be easily performed.
  • the slab ball is formed in the sleeve. Secondary unlocking can be easily performed as it is accommodated in the sleeve ball seat, so secondary unlocking can be easily performed. Furthermore, unlocking is completed by removing the plug body from the socket body after moving the sleeve. Locking can be performed easily.
  • the support unit supports the plug body inside the socket body, the plug body can be prevented from moving in the set position, and furthermore, since the support unit is composed of the support and the elastic body, it can be inserted into the socket body for unlocking.
  • the support protrusions constituting the plug body or stopper to be entered can be easily returned to their original positions.
  • the pipe joint unit is configured, it is possible to reinforce the airtightness of the socket body and the plug body coupled to each other, thereby minimizing the leakage of fluid, and in addition, since the pipe joint unit is composed of the socket pipe joint and the plug pipe joint The airtightness can be reinforced, and furthermore, since the plug joint is elastically supported by the joint joint elastic member, the socket joint can be easily coupled to the plug joint.
  • the socket body is connected to a device requiring fluid through the socket adapter, so that the socket body can be easily connected to the above-described device, and in addition, the sleeve elastic body supports the sleeve elastically so that the sleeve can be easily returned to its original position. .
  • FIG. 1 is a side view schematically showing a conventional coupler for an air respirator
  • Figure 2 is a cross-sectional view showing a state of use of the air respirator coupler according to an embodiment of the present invention
  • FIG. 3 is a cross-sectional view showing a separated state of the socket unit and the plug unit shown in FIG.
  • FIG. 4 is a cross-sectional view showing a combined state of the socket unit and the plug unit shown in FIG.
  • FIG. 5 is a cross-sectional view illustrating a first unlocking process of the socket unit and the plug unit shown in FIG. 2;
  • FIG. 6 is a cross-sectional view illustrating a second unlocking process of the socket unit and the plug unit shown in FIG. 2; FIG. And
  • FIG. 7 is a cross-sectional view sequentially showing the coupling and separation process of the air respirator coupler according to an embodiment of the present invention.
  • the air respirator coupler 10 includes a socket unit 20 having a socket body 21 and a plug unit 30 having a plug body 31, and a locking unit described later. And an unlocking unit.
  • the socket body 21 of the socket unit 20 is composed of a hollow member as shown in FIG. As shown in the socket body 21, at least one steel ball receiving hole 21a is formed in a through state. The socket body 21 is in the steel ball receiving hole (21a) as shown The master ball 25 is movably received. At this time, the master ball 25 is movable in the radial direction R of the socket body 21 as shown in FIG.
  • the socket body 21 is configured such that the diameter of the steel ball receiving hole 21a is formed in such a size that the master ball 25 can be moved.
  • the socket body 21 is preferably formed so that one end of the steel ball receiving hole (21a) toward the inner circumferential surface slightly smaller than the diameter of the master ball 25 as shown to prevent the separation of the master ball (25).
  • the socket body 21 is provided with a hollow sleeve 22 is movable on the outer peripheral surface as shown. As the inner diameter of the sleeve 22 is slightly larger than the outer diameter of the socket body 21, the sleeve 22 may move along the axial direction of the socket body 21 (see directions X1 and X2 in FIG. 3) from the outside of the socket body 21. have.
  • Sleeve 22 is preferably provided with a handle 27 as shown. The handle 27 may be configured in a disc shape.
  • the socket body 21 is locked or unlocked in a state of being coupled to the plug body 31 of the plug unit 30 to be described later as the locking unit and the unlocking unit to be operated according to the movement position of the sleeve 22 are operated. . That is, the socket body 21 is locked to the plug body 31 when the sleeve 22 moves to the locking position, and unlocked on the plug body 31 when the sleeve 22 moves to the unlocking position.
  • the sleeve 22 is located at one end (upper end) of the socket body 21 as shown in FIG. 4, the sleeve 22 is moved to the locking position, and the other end side of the socket body 21 as shown in FIG. 3. If it is located at the bottom, it is moved to the unlocking position. That is, the locking position and the unlocking position of the sleeve 22 correspond to one end side and the other end side of the socket body 21, respectively.
  • the socket body 21 is connected to a device, such as a regulator 5, which requires the supply of a fluid (eg air) as shown in FIG.
  • the socket body 21 is connected to the regulator 5 through the socket adapter 28 as the socket adapter 28 is coupled to one side as shown in FIG.
  • the socket body 21 is easily connected to the regulator 5 because it is connected to the regulator 5 through the socket adapter 28.
  • the regulator 5 described above is connected to an air hose 6 for supplying fluid (air) to an air supply valve (not shown) of a member such as an air breathing mask (not shown) as shown in FIG. 2. .
  • the plug body 31 is composed of a hollow member as shown in FIG.
  • the plug body 31 is detachably coupled to the socket body 21 as shown in FIG. 4 to provide a flow path through which fluid is communicated with the socket body 21.
  • the plug body 31 is connected (coupled) to the discharge pipe 4a of the device for supplying fluid, such as the air cylinder 3. Accordingly, the plug body 31 receives the fluid through the discharge pipe 4a and provides the plug body 31 to a device (eg, a regulator) that needs to supply the fluid through the socket body 21.
  • the plug body 31 may be installed with a plug fitting pipe 60 of the pipe fitting unit described later, as shown in FIG.
  • the discharge pipe 4a described above is connected to the air valve 4 of the air cylinder 3 as shown in FIG.
  • the stopper restrains the sleeve 22 moving along the socket body 21 and fixes it in the moved position. That is, the stopper secures the sleeve 22 positioned at one end or the other end of the socket body 21 to the moved position as shown in FIGS. 3 and 4.
  • the stopper constrains a portion of the sleeve 22 with respect to the socket body 21 to limit the movement of the sleeve 22.
  • the stopper prevents the sleeve 22 from coming off along the axial direction of the socket body 21.
  • the stopper is, for example, provided in the above-mentioned locking position and positioned opposite the first stopper and the first stopper which restrains the sleeve 22 of the socket body 21 to the locking position, and is located in the above-mentioned unlocking position, and moves to the unlocking position.
  • the sleeve 22 may be configured as a second stopper for restraining the unlocking position. That is, a stopper is comprised in multiple numbers, and is provided in the one end side and the other end side of the socket body 21, respectively.
  • the first stopper may be configured of a socket protrusion 81 and a locking step 24a provided in a protruding state on one side of the socket body 21 corresponding to the locking position.
  • the socket protrusion 81 is caught by a member such as the locking protrusion 24 or the locking step 24a, which will be described later. Suppresses movement to one side. Therefore, the sleeve 22 is prevented from escaping to one side of the socket body 21 as the movement is restricted to one side of the socket body 21.
  • the socket protrusion 81 may be configured, for example, as a snap ring protruding from one side of the socket body 21 as shown. In this case, the socket protrusion 81 may prevent the master ball 25 from being separated in one end (upper part, in the X1 direction of FIG. 3) of the socket body 21.
  • the locking step 24a protrudes in the same body as the sleeve 22 as shown in FIG.
  • the locking step 24a restrains the movement of the sleeve 22 while being caught by a portion (top) of the master ball 25 protruding from the socket body 21 as shown in FIG. 4. That is, the locking step 24a suppresses the sleeve 22 from moving to the other side (lower end) of the socket body 21.
  • the locking step 24a is preferably formed in the above-described locking protrusion 24 as shown in order to facilitate manufacturing.
  • the second stopper may include a slab ball 45, a stopper ball seat 29, and a support protrusion 41c as shown in FIG. 3.
  • the slab ball 45 is movably installed in the socket body 21 in a state of passing through the socket body 21 as shown.
  • the slab ball 45 is configured to be movable as the through-hole 21c is formed in the socket body 21 as shown.
  • the through hole 21c is formed to have a diameter corresponding to the diameter of the slab ball 45 as shown, and the diameter of the end portion facing the inner circumferential surface of the socket body 21 is slightly smaller to have the shaft diameter portion 21b. Therefore, the through hole 21c prevents the slab ball 45 from protruding toward the inner circumferential surface of the socket body 21 as shown in FIG. 4, and the inner circumferential surface of the sleeve 22 as shown in FIG. 3. Allowed to move toward.
  • the stopper ball seat 29 is formed in a groove shape in a portion (lower end, other side) of the sleeve 22 corresponding to the unlocking position described above as shown in FIG. 3.
  • the stopper ball seat 29 is formed in a size corresponding to the size of the slab ball 45.
  • the stopper ball sheet 29 is preferably formed in an annular shape on the inner circumferential surface of the sleeve 22 for manufacturing convenience.
  • the stopper ball seat 29 suppresses the sleeve 22 from moving in the axial direction as the slab ball 45 is inserted and locked as shown in FIG. Therefore, the sleeve 22 is prevented from being separated to the other side (lower end) of the socket body 21.
  • the support protrusion 41c is movably installed inside the socket body 21 as shown in FIG. 3.
  • the support protrusion 41c supports the slab ball 45 according to the moving position as shown in FIG. 3 to guide the slab ball 45 to the stopper ball seat 29 or as shown in FIG. 4. It does not support the ball 45.
  • This support protrusion 41c is preferably provided in the support 41 to be described later, as shown in Figure 3 is configured to be able to change the movement position by the movement of the support (41).
  • the support protrusion 41c When the support protrusion 41c does not support the slab ball 45 by the movement, the support protrusion 41c is moved to the lower part of the slab ball 45 as shown in FIG. 4. Therefore, the support protrusion 41c provides the support step 41d through the upper surface. The support step 41d is inserted into a portion of the slab ball 45 as shown in FIG.
  • the support protrusion 41c supports the slab ball 45 while being inserted into the through hole 21c of the socket body 21 described above as shown in FIG. 3. Therefore, as shown in FIG. 4, the inner diameter of the other end where the support protrusion 41c is located is wider than the inner diameter of the socket body 21 so that the support protrusion 41c is moved to the other end.
  • the above-described locking unit is interlocked with the sleeve 22 is moved to the locking position along the socket body 21 as described above.
  • the locking unit locks the plug body 31 coupled to the socket body 21 by restraining a part of the master ball 25 to the plug body 31.
  • the plug body 31 remains coupled to the socket body 21.
  • the locking unit may include a locking ball seat 35a and a locking protrusion 24, as shown in FIG.
  • the locking ball seat 35a is formed in the shape of a groove in the plug body 31 as shown.
  • the locking ball seat 35a is formed in a size corresponding to the size of the master ball 25. Therefore, the locking ball seat 35a is inserted into one side of the master ball 25 as shown in FIG.
  • the locking ball seat 35a is preferably manufactured by forming grooves in a circumferential direction on a part of the plug body 31 as shown in FIG. 3 for convenience of manufacturing. At this time, the locking ball seat 35a is formed smaller than the outer diameter d1 of the plug body 31 as shown in FIG.
  • the locking protrusion 24 protrudes from the sleeve 22 of the socket body 21 as shown in FIG. 3.
  • the locking protrusion 24 protrudes toward the socket body 21 from the inner circumferential surface of the sleeve 22 as shown.
  • the locking protrusion 24 presses the other side of the master ball 25 to guide the locking ball seat 35a as shown in FIG. 4. Accordingly, the master ball 25 is caught by the locking ball seat 35a while one side is inserted into the locking ball seat 35a as shown in FIG. 4. Therefore, as shown in FIG. 4, as the master ball 25 is caught by the locking ball seat 35a, the plug body 31 is not separated in one direction of the socket body 21 (X1 in FIG. 3). .
  • the aforementioned unlocking unit operates in conjunction with the sleeve 22, which is moved to the aforementioned unlocking position opposite to the aforementioned locking position.
  • the unlocking unit releases the restraint of the sleeve 22 restrained from the stopper as described above and the master ball 25 restrained from the plug body 31 as described above.
  • the unlocking unit unlocks the plug body 31 locked to the socket body 21 by the above-described locking unit.
  • the unlocking unit may, for example, release the restraint of the sleeve 22 by the stopper to allow the sleeve 22 to move from the locked position to the unlocked position and the sleeve 22 moved to the unlocked position.
  • a moving space of the master ball 25 for releasing the restraint of the master ball 25 can be configured as a second unlocking unit for unlocking the plug body 31. That is, the unlocking unit provides a double release method through the above-described first and second unlocking units.
  • the first unlocking unit may include an unlocking ball sheet 35b and a pressing member described later.
  • the unlocking ball seat 35a includes grooves having a size that prevents the master ball 25 from protruding outward of the socket body 21, so that the plug body 31 is shown in FIG. 3. Are part of the same body.
  • the unlocking ball seat 35a receives the master ball 25 by the movement (falling, X2 direction in FIG. 3) of the plug body 31. Accordingly, the unlocking ball seat 35a releases the restraint of the sleeve 22 in which the axial movement is constrained by the above-described first stopper. That is, the unlocking ball seat 35a releases the restraint of the sleeve 22 in which the locking step 24a of the first stopper is caught by the master ball 25 and the movement is restricted.
  • the pressing member can be replaced by the locking step 24a described above, for example.
  • the locking step 24a presses the master ball 25 by the movement of the sleeve 22 as shown in FIGS. 4 and 5 to guide the unlocking ball seat 35b. Therefore, the master ball 25 is easily inserted into the unlocking ball seat 35b.
  • the unlocking ball seat 35b described above is illustrated in FIG. 3 so that the master ball 25 is easily inserted even if the socket body 21 is slightly moved, that is, the moving distance of the socket body 21 is shortened.
  • the unlocking ball sheet 35a is preferably manufactured by processing grooves in the circumferential direction on the outside of the socket body 21 in the same manner as the locking ball sheet 35a for manufacturing convenience.
  • the unlocking ball seat 35a is formed deeper than the locking ball seat 35a as shown in FIG. 3 so that the master ball 25 is sufficiently inserted to protrude out of the socket body 21. It is desirable to be. That is, the unlocking ball sheet 35a has an outer diameter d3 formed smaller than the outer diameter d2 of the locking ball sheet 35a.
  • the second unlocking unit may be configured, for example, as the sleeve ball seat 26 as shown in FIG.
  • the sleeve ball seat 26 is sized to prevent the master ball 25 from protruding into the socket body 21 as shown in FIG. 6 when the plug body 31 is separated from the socket body 21.
  • the groove is made of.
  • the sleeve ball seat 26 is provided on the inner peripheral surface side portion (top) of the sleeve 22 in the same body.
  • Sleeve ball seat 26 is preferably formed in a stepped shape as shown.
  • the sleeve ball seat 26 is moved to a position corresponding to the position of the master ball 25 by the movement of the sleeve 22.
  • the sleeve ball seat 26 receives the master ball 25 inwardly as the master ball 25 is moved by the pressure of the socket body 21 separated from the plug body 31. That is, in the sleeve ball seat 26, when the plug body 31 is separated from the socket body 21, the master ball 25 is pressed inward as the master ball 25 is pushed to the outer circumferential surface of the plug body 31. Flows into.
  • the sleeve ball seat 26 releases the restraint of the master ball 25 constrained to the socket body 21 to unlock the socket body 21 in the locked state. That is, the plug body 31 may be separated from the socket body 21 by unlocking the sleeve ball seat 26.
  • the socket body 21 may be provided with a support unit therein.
  • the support unit movably supports the plug body 31 inside the socket body 21. Therefore, the movement of the plug body 31 is suppressed inside the socket body 21. That is, the plug body 31 is suppressed from moving to the lower portion of the socket body 21 (X2 direction in FIG. 3).
  • the support unit may be, for example, a support 41 supporting the socket body 21 movably in the plug body 31 and a support elastic body 43 elastically supporting the support 41. It can be configured as.
  • the support 41 is preferably formed in a plate shape as shown so that the contact area with the plug body 31 is expanded as shown. Since the support 41 is elastically supported by the support elastic body 43 as shown in FIGS. 3 and 6, the plug body or the stopper described above that enters (falls) into the socket body for unlocking as described above.
  • the above-mentioned support protrusion 41c constituting the can easily be returned to its original position.
  • Support 41 may be provided with an inclined surface (41b) as shown in Figure 3 to match the end of the plug body 31 described above to maintain airtightness.
  • the sleeve 22 is preferably provided with a sleeve elastic body 23 on the inner peripheral surface as shown in FIG.
  • the sleeve elastic body 23 elastically supports the sleeve 22 as shown.
  • the sleeve elastic body 23 is compressed when the sleeve 22 is moved to the other side (lower side) of the socket body 21, and when the sleeve 22 is unlocked by the aforementioned first unlocking unit to release the locking.
  • the sleeve 22 is returned to its original position while being circularly restored.
  • one end of the sleeve elastic body 23 is supported by the above-described locking protrusion 24, and the other end thereof is preferably configured to be supported by a stepped protrusion formed on the socket body 21.
  • the socket body 21 may be provided with a socket adapter 28 as shown in FIG.
  • the socket adapter 28 is coupled to the socket body 21 as shown, and fixed to a device (eg regulator) that requires the supply of fluid to connect the socket body 21 to the regulator 5 as shown in FIG. Connect to
  • the socket body 0 is easily coupled to the regulator 5 via the socket adapter 28.
  • the socket body 21 and the plug body 31 may be provided with a pipe joint unit.
  • the pipe joint unit provides a pipe joint inside the socket body 21 and the plug body 31 to reinforce the airtightness.
  • the pipe joint unit is provided in the socket pipe joint 50 and the plug body 31 provided inside the socket body 21 as shown in FIG. 3, and is directly connected to the socket pipe joint 50. It can be configured to match the plug pipe joint (60).
  • the socket joint 50 includes a first pipe 51 and a pipe joint elastic 53 elastically supporting the first pipe 51 located at the inner center of the socket body 21.
  • One end of the first tube 51 is hermetically coupled to the outer peripheral surface of the first tube 51 through the sealing ring 51b.
  • one end of the outer peripheral surface of the first tube 51 is provided with a sealing ring (51b)
  • the connection block 70 is formed with a mounting space 72 for mounting one end of the first tube (51), Accordingly, the first tube 51 may be sealingly coupled to the mounting space 72 of the connection block 70.
  • the connection block 70 is connected to the regulator 5.
  • a retainer space 52 is formed in one end of the first pipe 51 to accommodate the pipe joint elastic body 53.
  • the first tubular body 51 extends in the axial direction through the central portion of the support 41.
  • connection block 70 has a connection flow path 71 which is connected to communicate with the internal flow path of the regulator (5), and the connection flow path 71 of the connection block 70 and the inner central portion of the first tube (51) By forming the first communication path (51a) to communicate with the first pipe 51 is connected to the internal flow path of the regulator (5) via the connection block (70).
  • a fitting protrusion 54 is fitted to the plug pipe joint 60, and the fitting protrusion 54 is formed in a conical shape and its outer circumferential surface is inclined, and the fitting protrusion ( A sealing ring 54a is provided on the inclined outer circumferential surface of 54. Therefore, the fitting protrusion 54 of the first pipe body 51 may be matched to the second pipe body 61 in a very high airtight state.
  • the pipe joint elastic body 53 is interposed between the retainer space 52 of the first pipe body 51 and the mounting space 72 of the connection block 70 to elastically support the first pipe body 51 and FIG. Likewise, when the socket unit 20 and the plug unit 30 are coupled to each other, the pipe joint elastic member 53 compresses the first pipe member 51 with a high elastic force toward the plug pipe joint 60 to ensure very high airtightness. .
  • the plug pipe joint 60 has a second pipe body 61 sealingly coupled to the discharge pipe 4a of the air valve 4.
  • the second pipe 61 is formed at one end thereof with a fitting groove 64 into which the fitting protrusion 54 of the first pipe 51 is fitted, and the fitting groove 61b is a fitting protrusion of the first pipe 51.
  • Comprising the conical groove structure corresponding to (54), the fitting protrusion 54 of the first tube 51 and the fitting groove 61b of the second tube 61 can implement a wedge coupling structure to form a tight match. have.
  • the aforementioned pipe joint elastic body 53 may be selectively applied as necessary.
  • the discharge pipe 4a of the air valve 4 has an outlet pipe path 1 formed at the center thereof, and communicates with the outlet pipe path 1 of the discharge pipe 4a at the inner center of the second pipe body 61.
  • the second communication path 61a is formed.
  • an enlarged diameter portion 7 communicating with the outflow pipe passage 1 is continuously formed in the discharge tube 4a, and an inclined surface 7a is formed in the enlarged diameter portion 7.
  • a mating protrusion 62 is formed at the other end of the second tube 61, and the mating protrusion 62 has a conical structure inclined to correspond to the inclined surface 7a of the discharge tube 4a.
  • the registration protrusion 62 of the 61 is wedge-coupled by closely matching the inclined surface 7a of the discharge tube 4a.
  • the sealing ring 62a is provided on the outer circumferential surface of the mating protrusion 62, the other end of the second tube 61 may be very tightly matched to the discharge tube 4a, thereby The outflow pipe path 1 and the second communication path 61a of the second pipe body 61 can be very sealedly connected.
  • a coupling jaw 34 is formed on an inner circumferential surface of the plug body 31, a support jaw 66 is formed on an outer circumferential surface of the second tube 61, and a stop ring 82 is formed on an outer circumferential surface of one end of the second tube 61.
  • a stop ring 82 is provided to be spaced apart from the support jaw 66 at a predetermined interval. Therefore, the coupling jaw 34 of the plug body 31 is interposed between the support jaw 66 and the stop ring 82 of the second pipe 61, so that the second pipe 61 is connected to the inner circumferential surface of the plug body 31. It can be firmly combined.
  • the second tube 61 is provided with a groove 61f into which the stop ring 82 is fitted, and the groove 61f has a thickness (eg, the thickness of the stop ring 82). It has a thickness of at least half (t / 2) with respect to t), and the stop ring 82 has a structure in which at least half of the thickness t is inserted into the groove 61f of the second tube 61. Even when a large external force is unexpectedly applied at the time of coupling or detachment, the stop ring 82 may be further inserted into the groove 61f of the second tube 61, so that the external deviation may be effectively prevented.
  • the pipe fitting units 50 and 60 are fitted with the fitting protrusion 54 and the second tube of the first tube 51 as shown in FIG. 4.
  • the wedge coupling structure by the fitting groove portion 64 of the 61 and the wedge coupling structure by the mating projection 62 of the second tube 61 and the inclined surface 7a of the discharge tube 4a are combined to form a double wedge.
  • the first pipe body 51 presses the second pipe body 61 by the pipe joint elastic body 53, and the second pipe body 61 receives the pressing force, and the discharge pipe 4a of the air valve 4 is received.
  • the first communication path 51a and the second pipe 61 of the first pipe 51 are irrespective of the height of the pressure of the compressed air in the air tank 3.
  • the second communication path 61a of the can be connected with a very high sealing state, through which the air in the air tank 3, the pipe joint unit 50 of the air valve 4 and the coupler 10 without leakage , 60) can be supplied very smoothly to the regulator (5) side.
  • the air respirator coupler according to the embodiment of the present invention, as shown in Figure 3, the discharge pipe 4a and the plug pipe joint 60 is coupled to the plug body 31 Is inserted into and coupled to the socket body 21 as shown in FIG.
  • the socket body 21 is moved to the sleeve ball seat 26 of the second unlocking unit by pushing the master ball 25 laterally as shown in Figure 3, and at the same time as shown in Figure 4
  • the support elastic body 43 is slightly compressed while pressing the 41 to lower the support 41.
  • the support 41 moves downward as shown in FIG. 4 while moving the above-described support protrusion 41c of the second stopper to provide a support step 41d formed on the upper surface of the support protrusion 41c. Accordingly, the slab ball 45 is slightly moved in the direction of the support step 41d while one side toward the inside of the socket body 21 is inserted into the support step 41d as shown. Therefore, as shown in FIG. 4, the second stopper releases the restraint as the slab ball 45 is separated from the stopper ball seat 29.
  • the sleeve elastic body 23 expands in a compressed state as shown in FIG. 3.
  • the sleeve 22 automatically moves toward one side (top) of the socket body 21 as shown in FIG.
  • the sleeve 22 presses the master ball 25 into the socket body 21 through the locking protrusion 24 of the locking unit while being moved to the locking position (one side of the socket body) as shown in FIG. 4. Accordingly, one side of the master ball 25 is inserted into the locking ball seat 35a of the locking unit and caught. Accordingly, the plug body 31 is inserted into the socket body 21 and locked in the engaged state as shown in an enlarged view. That is, the plug body 31 does not move in the opposite direction to be inserted since the master ball 25 is caught by the locking ball seat 35a.
  • the sleeve 22 has an upper end thereof caught by the socket protrusion 81 of the first stopper, and the locking step 24a is caught by the other side of the master ball 25, thereby restricting the axial movement. .
  • the plug body 31 inserted into the socket body 21 moves the support 41 while lowering slightly to the lower portion of the socket body 21 as shown in FIG. 43).
  • the unlocking ball seat 35a of the first unlocking unit provided in the socket body 21 moves downward to move to the position of the master ball 25 so as to accommodate the master ball 25. That is, the master ball 25 is changed to a state that can move because the unlocking ball seat (35a) is located on the side.
  • the sleeve 22 is released by the first stopper as the unlocking ball seat 35a is moved as described above. Accordingly, the sleeve 22 presses the master ball 25 laterally through the locking protrusion 24 or the locking step 24a while moving to the lower portion of the socket body 21 by the operation of the handle 27. Thus, the master ball 25 is first unlocked while being inserted into the unlocking ball seat 35a located laterally as shown.
  • the sleeve 22 compresses the sleeve elastic body 23 as shown in FIG. 6 and moves the sleeve ball seat 26 to the position of the master ball 25 when lowered. Accordingly, the master ball 25 is movable because the sleeve ball seat 26 is located on the side. Therefore, the plug body 31 is released from the socket body 21 and presses the master ball 25 through the outer circumferential surface to move the master ball 25 to the sleeve ball seat 26 to unlock the secondary. That is, the plug body 31 is separated from the socket body 21 by primary and secondary unlocking.
  • the stopper ball seat 29 of the second stopper is positioned on the side of the slab ball 45.
  • the support 41 is lifted by the elastic force of the support elastic body 43 as the plug body 31 is released from the socket body 21 and releases pressure as shown in FIG. 3.
  • the support protrusion 41c provided in the support 41 presses the slab ball 45 as shown in FIG. 3 and inserts it into the stopper ball seat 29.
  • the slab ball 45 restrains the sleeve 22 while being caught by the stopper ball seat 29.
  • the sleeve 22 is fixed in the moved position, ie in the unlocked position.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

La présente invention concerne un raccord pour un respirateur à air. La présente invention comprend : un corps de douille qui comporte un trou débouchant de réception de bille en acier, pour recevoir une bille maîtresse, et un manchon creux, installé sur sa surface périphérique extérieure ; un corps de bouchon creux accouplé au corps de douille, un tube d'évacuation d'un appareil pour fournir un fluide étant accouplé audit corps de bouchon creux ; une butée pour retenir le manchon pour fixer le manchon au niveau d'un emplacement déplacé ; une unité de verrouillage qui s'enclenche avec le manchon déplacé le long du corps de douille et retient une partie de la bille maîtresse au niveau du corps de bouchon, verrouillant ainsi le corps de bouchon accouplé au corps de douille ; et une unité de déverrouillage qui s'enclenche avec le manchon et libère les retenues du manchon retenu au niveau de la butée et de la bille maîtresse retenue au niveau du corps de bouchon, déverrouillant ainsi le corps de bouchon verrouillé. Dans ladite invention, l'unité de déverrouillage comprend une première unité de déverrouillage et une seconde unité de déverrouillage. Dans la présente invention, le déverrouillage est possible seulement lorsque le déverrouillage est réalisé dans une première étape et une seconde étape.
PCT/KR2014/008984 2013-09-25 2014-09-25 Raccord pour respirateur à air WO2015046929A1 (fr)

Priority Applications (1)

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CN201480015087.8A CN105050666B (zh) 2013-09-25 2014-09-25 空气呼吸器用耦合器

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KR20130113790 2013-09-25
KR10-2013-0113790 2013-09-25
KR10-2014-0126634 2014-09-23
KR20140126634 2014-09-23
KR20140128673A KR101474524B1 (ko) 2013-09-25 2014-09-25 공기호흡기용 커플러
KR10-2014-0128673 2014-09-25

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KR102651608B1 (ko) * 2023-08-22 2024-03-25 주식회사 케이디펜스 원터치 공기통 연결 장치

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JPH06109188A (ja) * 1991-12-29 1994-04-19 Toyota Motor Corp クイックカップリング
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KR101474524B1 (ko) 2014-12-22
CN105050666B (zh) 2018-05-11

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