CN105517634B - The pressure regulator of respirator - Google Patents
The pressure regulator of respirator Download PDFInfo
- Publication number
- CN105517634B CN105517634B CN201480047372.8A CN201480047372A CN105517634B CN 105517634 B CN105517634 B CN 105517634B CN 201480047372 A CN201480047372 A CN 201480047372A CN 105517634 B CN105517634 B CN 105517634B
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- China
- Prior art keywords
- valve
- diaphragm
- pressure reducing
- reducing valve
- pressure
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/02—Respiratory apparatus with compressed oxygen or air
- A62B7/04—Respiratory apparatus with compressed oxygen or air and lung-controlled oxygen or air valves
-
- 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
- A62B9/022—Breathing demand regulators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/02—Divers' equipment
- B63C11/18—Air supply
- B63C11/22—Air supply carried by diver
- B63C11/2227—Second-stage regulators
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- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The pressure regulator of respirator according to the present invention, comprising: shell has the air supply opening of supply air in side；Pressure reducing valve is mounted in the shell, and limits the flowing that the internal air of mask (facepiece) is supplied to by the air supply opening of the shell；Diaphragm is arranged in the shell, and contraction is repeated according to the breathing of wearer and carries out back and forth movement while expansion；And driving assembly, the reception and registration of the driving force that is generated by the back and forth movement of the diaphragm is opened and closed the pressure reducing valve in the pressure reducing valve.The driving assembly, comprising: driving part, hinge are incorporated into the side of the pressure reducing valve, pressurization or releasing pressure reducing valve to be opened and closed the pressure reducing valve；And tool is conveyed, it is connected between the diaphragm and driving part, the driving force generated by the back and forth movement of the diaphragm is conveyed in the driving part.
Description
Technical field
The present invention relates to the pressure regulators of respirator, are related to spreading in scene of fire or toxic gas in more detail
Make the state that the pressure that the compressed air of mask (facepeice) is supplied to from gas tank is maintained to respirability in region
The pressure regulator of respirator.
Background technique
In general, respirator (breathing apparatus) is the industry spot in pernicious gas and generation dust
Or the operation field at the scene of the rarefaction of air of interior mine and the lifeguard (fireman) of scene of fire etc. is cheated in mine
In prevent sucking toxic gas protection breathing.This respirator has pressure regulator of the configuration on mask (facepeice)
And the gas tank (air tank) to its pressure regulator supply air, the air of high pressure, the air quilt of gas tank are stored in gas tank
First stage adjuster carries out first time decompression, and the air through depressurizing for the first time is depressurized it by the adjuster of mask for the second time
After be supplied to inside mask.
One example of this respirator pressure regulator has been disclosed in US8025053 (2011.09.27), and this
Existing pressure regulator includes the diaphragm 3a of setting inside the shell as shown in Figure 1, with the valve assembly 17 for being connected to diaphragm 3a.
Diaphragm 3a by the actuator elastic connection of spring 12 and valve assembly 17, and according to the breathing of wearer thus diaphragm 3a into
Row moves up and down, and constitutes the opening and closing of valve assembly 17 accordingly, and then can be to the inside of mask after the gas of gas tank is depressurized
Supply.
But existing pressure regulator is configured to the elastic force applied according to reception by spring moving up and down to diaphragm
The on-off action of valve assembly is constituted, therefore movement can not be accurately and stably opened and closed in valve assembly, having can not be accurate
The shortcomings that aperture of ground regulating valve assembly.
Summary of the invention
(technical problems to be solved)
The present invention is proposed to solve problem of the prior art as described above, will be produced by the back and forth movement of diaphragm
Raw driving force can more accurately and stably adjust opening for pressure reducing valve by driving assembly to be passed to pressure reducing valve
Degree, and the lock out action of pressure reducing valve can be more facilitated and effectively execute, it when needed also can be by driving assembly
Ensure the aperture of pressure reducing valve at once in outside.Wherein, the back and forth movement of diaphragm is the positive pressure according to the breathing of wearer in shell
Contraction and expansion are repeated in space.
(means solved the problems, such as)
To reach above-mentioned purpose, the pressure regulator of respirator according to the present invention, comprising: shell has in side
Supply the air supply opening of air；Pressure reducing valve is mounted in the shell, and is limited and be supplied to mask by the air supply opening of the shell
(facepiece) flowing of internal air；Diaphragm, setting are repeated in the shell, and according to the breathing of wearer
Back and forth movement is carried out while contraction with expansion；Assembly is driven, the driving force generated by the back and forth movement of the diaphragm is passed
The pressure reducing valve is opened and closed up in the pressure reducing valve.The driving assembly, comprising: driving part, hinge are incorporated into described subtract
The side of pressure valve, and the pressure reducing valve that pressurizes is pressurizeed or releases, and then be opened and closed the pressure reducing valve；And tool is conveyed, it is connected to institute
It states between diaphragm and driving part, the driving force generated by the back and forth movement of the diaphragm is conveyed in the driving part.
The pressure reducing valve includes: valve casing, forms the flow path that the blow vent is connected to from the air supply opening；Valve body, opening and closing
In the valve pad that the inner peripheral surface side of the valve casing is formed；Elastic force is applied to the valve body, and then connects the valve body by elastomer
It touches in valve pad.
The reception and registration tool includes: connecting component, is connected to the diaphragm, linkage in the diaphragm back and forth movement and
It is moved back and forth；And transmission parts, it is connected to the connecting component, and pivot is carried out according to the back and forth movement of the connecting component
Driving force is conveyed in the driving part while axis rotates.
Flexible cover is set in the central part of the shell, the flexible cover is arranged and then oppresses with being elastically deformed is
The diaphragm is oppressed to releasing.
The diaphragm includes: flexible part, is incorporated into the shell and is carried out according to the air pressure in the positive pressure space of the shell
Deformation, and then make the diaphragm retracts or collision；And rigid portion, the central part of the flexible part is set, and is connected to described
Connecting component makes the connecting component carry out back and forth movement while being moved up and down according to the air pressure in the positive pressure space.
The pivotable Floor hinge in driving part one end is incorporated into the pressure reducing valve, in the side of the driving part
It forms the pressurization to the upper end of the valve body or even releases the pressurization protrusion of pressurization, and the other end in the driving part is formed
It is transmitted component pressurization or even releases the groove portion of pressurization.
The connecting component includes: extension portion, is connected to the diaphragm；A pair of of guide portion subtracts in the extension portion to described
Pressure valve extends, and is slidably disposed on the outside of the pressure reducing valve, and according to the contraction of the diaphragm and expanding pilot institute
State the back and forth movement of connecting component；And clamping part, the outside configured in the guide portion and the one end for clamping the transmission parts.
The transmission parts include: pivot arm, and one end is clamped by the clamping part of the connecting component, and according to described
The back and forth movement of connecting component is pivoted；Pivot configures the other end in the pivot arm, and is supported on described subtract
The outside of pressure valve is rotatable, and is pivoted and rotated according to the pivot arm；And pressurization hook, in the periphery of the pivot
Face protrusion, and the groove portion of the pressurization driving part is pressurizeed or even releases, and then pivot the driving part.
It further include the valve locked configuration for locking the closed state of the pressure reducing valve, the valve locked configuration includes: lock tab
It rises, is protrusively formed at the outside of the pressure reducing valve, and buckle the support pivot arm, and then the transmission parts are fixed on
Valve latched position；Bar protrudes to the outer direction in the outer peripheral surface of the pivot；Locking press button, perforation are arranged in the shell
The other side, if the bar that pressurizes makes described pivot to pushing on the inside of the shell.
(invention effect)
The pressure regulator according to the present invention for holding easy-to-assemble respirator, by by connecting component, transmission parts, driving
The driving force of the back and forth movement generated by diaphragm is effectively conveyed to pressure reducing valve to be opened and closed decompression by the driving assembly that component is constituted
Valve, and then correspond to diaphragm position and can more accurately and stably adjust the aperture of pressure reducing valve, wherein the back and forth movement of diaphragm
It is shrink and expand repeatedly in positive pressure space according to wearer's breathing.
Also, to be easy the lock operation of locking press button, configured with driving assembly, therefore can when terminating to use
Pressure reducing valve is converted into lock state more easily and effectively, hereby it is possible to further increase its ease of use.
Also, it is applicable in the telescoping cover of high-tension in the casing part adjacent with diaphragm, and then when starting to depressurize valve events,
The decline (contraction) of the air-breathing according to wearer can not only easily be carried out, additionally it is possible to press directly down by telescoping cover
Diaphragm is pressed, and then the movement of pressure reducing valve can promptly be unfolded.
Especially, the wearer for wearing respirator repeatedly directly presses the aperture for telescoping cover moment improving pressure reducing valve, in turn
The surplus of compressed air can be confirmed at any time, therefore can promote the stability in use of respirator significantly.
Detailed description of the invention
Fig. 1 is the drawing for showing the pressure regulator of respirator according to prior art.
Fig. 2 is the perspective view of the pressure regulator of respirator according to the present invention.
Fig. 3 be Fig. 2 shows pressure regulator longitudinal section front elevation.
Fig. 4 be Fig. 2 shows pressure regulator longitudinal section side view.
Fig. 5 be with remove the state of shell cover Fig. 2 shows pressure regulator plan view.
Fig. 6 be Fig. 2 shows pressure regulator exploded perspective view.
Fig. 7 be Fig. 2 shows pressure regulator pressure reducing valve and driving assembly exploded perspective view.
Fig. 8 is the longitudinal section front elevation in Fig. 3 pressure reducing valve to be open into the pressure regulator shown in maximum rating.
Fig. 9 be Fig. 2 shows pressure regulator pressure reducing valve and driving assembly perspective view, be open pressure reducing valve one
The drawing of partial state.
Figure 10 is the front elevation of Fig. 9.
Figure 11 be Fig. 2 shows pressure regulator pressure reducing valve and driving assembly perspective view, be that complete opening subtracts
The drawing of the state of pressure valve.
Figure 12 is the front elevation of Figure 11.
Figure 13 be Fig. 2 shows pressure regulator pressure reducing valve and driving assembly front elevation, be that pressure reducing valve closes completely
The drawing for the state closed.
Specific embodiment
It is adjusted hereinafter, the pressure according to an embodiment of the invention for holding easy-to-assemble respirator is explained in detail with reference to the accompanying drawings
Device.
Pressure regulator 1 of the invention is as the mask (facepiece) for being assembled in respirator and adjusts to the inside of mask
The device of the pressure of compressed air is supplied, as shown in Figures 2 to 6 includes shell 3, pressure reducing valve 5, diaphragm 7 and driving assembly 9.
Shell 3 is the part for constituting the external shell of pressure regulator 1, has installation in its underpart as shown in Figures 2 to 6
Portion 21, and mounting portion 21 is detachably mounted to mask.Cover 23 is separably combined on the top of shell 3, in shell 3
Side forms air supply opening 17, and gas supply assembly 25 is arranged in its air supply opening 17.
Mounting portion 21 is, straight to be formed in the interior thereof pressure reducing valve 5 coaxial (coaxially) installation as shown in Figures 3 and 4
The different stepped cylinder shape construction of diameter, and blow vent 19 is formed in the lower end of this mounting portion 21.
Cover 23 is to form domed shape and be hermetically installed on the upper end opening of shell 3, is configured in the downside of cover 23
There is aftermentioned diaphragm 7.
Especially, being suitable for the invention cover 23 is, in its apex portion, i.e. central part combines flexible cover 41.
For this purpose, 23 center of cover forms assembling opening, flexible cover 41 is incorporated into assembling opening as shown in Figures 3 and 4 and faces with diaphragm 7
Face.Also, flexible cover 41 is made by the material of the high-tensions such as rubber, therefore can be in cover 23, i.e., in shell 3
It flexibly moves outside.At this moment stretch 41 medial surface central part of cover protrusion flexible raised 43, and then is wearing respirator mask
When user presses flexible cover 41, protrusion 43 of stretching oppresses diaphragm 7, releases when being eliminated and oppressing by user to diaphragm 7
Compressing.
Pressure reducing valve 5 is configured to, and limitation is supplied by the air supply opening 17 and blow vent 19 of shell 3 to mask (facepiece)
Air flowing, and then adjust the flow or even pressure etc. of air.Especially, pressure reducing valve 5 is to be used to flow into mask
(facepiece) appropriate decompression is from the means of the pressure of the compressed air of the equal supply sources supply of gas tank (air tank) before,
The inside of shell 3 is set as shown in Fig. 3 to 6 so that it is upright from blow vent 19 to diaphragm 7 along the axis of shell 3.
In addition, pressure reducing valve 5 is open when the pressure for the compressed air that air supply opening 17 supplies is high, opposite passes through blow vent 19
Side air pressure then will not automatic opening.Moreover if the external force of open pressure reducing valve 5 disappears, inside is closed because of the elastic force of itself
Flow path, will not automatic opening before rising to fixed pressure or more from the air pressure of air supply opening 17.
According to an embodiment, pressure reducing valve 5 has valve casing 31, valve body 33 and elastomer 35 as shown in Figures 3 and 4.
There is the internal flow path that blow vent 19 is connected to from air supply opening 17, in the inner peripheral surface side of valve casing 31 inside valve casing 31
Form the valve pad 55 that internal flow path is divided into small-bore internal flow path and heavy caliber internal flow path.In the small-bore interior of valve casing 31
Portion's flow arrangement has the spool 51 of valve body 33, is then each configured with the head of valve body 33 in the heavy caliber internal flow path of valve casing 31
53。
Multiple ventholes 45 are circumferentially formed thereon on the top of valve casing 31, each venthole 45 can be dredged with air supply opening 17
Ground connection.Link block 47 is installed on the top of this valve casing 31, and makes its link block 47 around venthole 45 weeks of valve casing 31
Installed to side.Extend connecting tube 47a in the side of this link block 47, in the inner peripheral surface separably spiral shell of connecting tube 47a
The inside tube body 49 of line combining air feeding assembly 25.Accordingly, the venthole 45 of valve casing 31 by the connecting tube 47a of link block 47 and
The inside tube body 49 of gas supply assembly 25 can be connect with dredging with air supply opening 17.
The valve pad 55 of valve casing 31 is opened and closed valve pad 55 by being opened and closed by valve body 33, according to the head 53 of valve body 33, can be by pressure reducing valve 5
Adjust flow or even the pressure etc. of air.
As shown in Fig. 3, Fig. 4 and Fig. 7, opening portion 57 is formed in the upper end of valve casing 31.It will be various by this opening portion 57
Tool is inserted in valve casing 31, keeps 33 up and down direction of valve body being located in valve casing 31 mobile, and then manually adjustable pressure reducing valve 5
Aperture.In addition, more than one sealing ring 59 is arranged in the upper end outer peripheral surface in valve casing 31, valve casing can be ensured by this sealing ring 59
Air-tightness between 31 47 inner peripheral surface of upper end outer peripheral surface and link block.
Valve body 33 contact or even isolation valve pad 55 while the inside of valve casing 31 carries out back and forth movement, and then it is opened and closed valve casing
31 valve pad 55, adjustable gas flows accordingly.
As shown in Fig. 3, Fig. 4 and Fig. 7, valve body 33 includes the spool 51 for being inserted in the small-bore internal flow path of valve casing 31；With
It is inserted in the head 53 of the heavy caliber internal flow path of valve casing 31.
The plug 63 of the opening portion 57 of insertion valve casing 31 is formed on the top of spool 51, it is close in the outer peripheral surface setting of plug 63
Seal ring 65, accordingly sealing ring 63 can airtightly sealing valve shell 31 opening portion 57.In addition, forming hand belling in the upper end of spool 51
61 are played, hand belling plays 61 and protrudes by the opening portion 57 of valve casing 31 to outside.
53 upper end of head is made of the diameter for being greater than the internal diameter of valve pad 55, so that 53 upper end of head is opened and closed valve pad 55, and
The lower, outer perimeter face diameter on head 53 is reduced, is embedded in elastomer 35 in 53 lower, outer perimeter face of head.Outer peripheral surface on head 53
Insertion center lead ring 69 forms the hanging block 67 of support center lead ring 69 on the top on head 53.Center lead ring 69 is as shown in Figure 7
Multiple raised protrusions to the outer direction are integrally formed starlike.This center lead ring 69 is slidably contacted with the inner peripheral surface of valve casing 31,
And then inhibit the inside of valve casing 31 axially the valve body 33 of back and forth movement radial direction shake.Also, with valve pad 55
The upper surface of head 53 of contact passes through the seal 71 of the high-tensions of attachments such as rubber gasket such as binder, according to this close
Envelope body 71 can be improved above head 53 and the caking property of valve pad 55.
Elastomer 35 is the offset tool (bias means) of valve body 33 of being pressurizeed often with valve closing direction, such as Fig. 3, Fig. 4
And the lower end of elastomer 35 shown in Fig. 7, by the collateral support of valve casing 31, the upper end of elastomer 35 is supported by the lower end of valve body 33.Accordingly,
Elastomer 35 applies elastic force to valve body 33 upwards, and valve body 33 is contacted with valve pad 55, and then salable valve pad 55.
Also, it can be screwed elastic force adjusting knob 37 in the lower end of valve casing 31, in the inner peripheral surface of elastic force adjusting knob 37
Support protrusion 73 radially inward protrusion, such support protrusion 73 support the lower end of elastomer 35, it is contemplated that the head of valve body 33
53 are preferably made of tepee structure with the internal diameter difference of elastic force adjusting knob 37, elastomer 35.In addition, in open pressure reducing valve
5 external force is released from as when uncharging state, and elastomer 35 is for driving the reset spring 93 of assembly 9 arbitrarily opening
The equilibrium of power can be formed by putting position.
In addition, pressure reducing valve 5 outside be arranged valve housing 27 (valve housing), and valve housing 27 be can
Its pair of right and left is discretely combined, so that the valve casing 31 (valve case) of the package pressure reducing valve 5 of valve housing 27, link block 47
Outside etc..
Diaphragm 7 shrinks and expands as the breathing according to wearer to be converted to the work of the on-off action of pressure reducing valve 5
Tool, the configuration as shown in Fig. 3, Fig. 4 and Fig. 6 are entering and leaving shell 3 just according to by blow vent 19 in 23 downside of cover of shell 3
Press the expiration of the wearer of space S and air-breathing that contraction and expansion is repeated, and then by being connected to driving assembling below
Body 9 operates pressure reducing valve 5.
For this purpose, diaphragm 7 is as shown in Figures 3 and 4 by flexible part (flexible portion) 75 and rigid element (rigid
Portion) 77 constitute, wherein flexible part 75 be enable diaphragm 7 shrink and expand made by thin flexible material and
At, rigid portion 77 by according to the contraction of flexible part 75 and the contraction of the diaphragm 7 of expansion and turgor movement without accelerating and mechanically
It conveys in driving assembly 9.To which flexible part 75 is that outer ledge position is snapped at the boundary portion of shell 3 Yu cover 23
Point, and deformed according to the air pressure Jing Guo positive pressure space S, if the air pressure of positive pressure space S is high, expansion makes diaphragm 7 as shown in Figure 3
Close to cover 23, if the air pressure of opposite positive pressure space S is low, shrink is isolated diaphragm 7 from cover 23 as shown in Figure 8.In addition, just
Property configuration and is made of, and then for positive pressure space S in the central part of flexible part 75 rigid body as shown in Figures 3 and 4 in portion 77
Pressure change and without deformation.Therefore, the T-type of the connecting component 13 of driving assembly 9 is connected to below rigid section 77
Connection bump 78 is protruded, and the contraction of diaphragm 7 and turgor movement are communicated to connecting component 13 accordingly, and then connecting component 13 can
Back and forth movement is carried out with up and down direction.That is, rigid section 77 presses down on driving assembly 9 when diaphragm 7 is shunk, it is swollen in diaphragm 7
Driving assembly 9 is lifted when swollen, and then the movement of diaphragm 7 is directly conveyed in driving assembly 9.Therefore, according to flexible part 75
The diaphragm 7 for being shunk and being expanded makes that assembly 9 is driven to rise and decline according to rigid section 77, and then executable pressure reducing valve 5
On-off action.
In addition, diaphragm 7 is as shown in the A expanded view of Fig. 3, in the upper surface of flexible part 75 and rigid section 77, i.e., to telescoping cover
The part in portion 41 can also be covered by the film cover 108 of chemical resistance.
Driving assembly 9 is configured to, and the back and forth movement generated according to the contraction of diaphragm 7 and expansion is converted to pressure reducing valve 5
On-off action.Especially, driving assembly 9 be as shown in Fig. 3 to Fig. 7 setting between diaphragm 5 and pressure reducing valve 5, will by every
The driving force that the back and forth movement of film 7 generates is conveyed to pressure reducing valve 5 so that pressure reducing valve 5 is opened and closed.
According to an embodiment, assembly 9 is driven to include the driving part 11 of opening and closing pressure reducing valve 5；With by from diaphragm 7 toward
Return the reception and registration tool 13,15 that the driving force that movement generates is conveyed to driving part 11.
Driving part 11 is the constituent element for directly being acted pressure reducing valve 5.One end of driving part 11 such as Fig. 3 extremely schemes
It is incorporated into the side of pressure reducing valve 5, the i.e. upside of the valve housing 27 of pressure reducing valve 5 shown in 7 for medium hinge with hinge axis 79.Cause
This, driving part 11 pivots to pressurize or release centered on hinge axis 79 according to the plus-pressure conveyed from transmission parts 15
Pressurize valve body 33, and the aperture of pressure reducing valve 5 is improved in pressurization, reduces aperture when releasing pressurization.
The other end of driving part 11 bends to " ┒ " shape as shown in Fig. 3 and Fig. 7, and then can have unexpanded outer
It can also be seen that the effect for elongating the arm of force (moment arm) length of driving part 11 while the internal diameter of shell 3.
In addition, 11 side of driving part formed pressurization protrusion 81, pressurization protrusion 81 as shown in Figures 3 and 4 with valve body
The raised 61 corresponding position protrudings of 33 compression, contact pressurization protrusion 81 with the protrusion 61 that is pressurized.Therefore, pressurization protrusion 81 is being schemed
61 contacted in the valve closed position of 3 and Fig. 4 with the protrusion that is pressurized, but in the valve release position of Fig. 8 pressurization be pressurized protrusion 61 to
Lower pressing valve body 33.At this moment, pressurization protrusion 81 is as shown in Fig. 3, Fig. 4 and Fig. 7 preferably by separating with the body of driving part 11
The fixed screw (set screw) of composition makes, and the length protruded from driving part 11 is adjusted in this case.
As depicted in figs. 3 and 5,83, and the other end of driving part 11 are formed a groove in the other end of driving part 11
A part be intercepted to be formed.The pressurization hook 101 of the aftermentioned transmission parts 15 of pressurization is pressurizeed or even releases in this groove portion 83, according to
If this is tangled according to the groove portion 83 of the pivoting motion of transmission parts 15 pressurization 101 driven member 11 of hook, driving part
The compression protrusion 61 of 11 81 pressurization pressure reducing valve 5 of pressurization protrusion, and then adjust the aperture of pressure reducing valve 5.
Reception and registration tool 13,15 includes: to be connected to 7 linkage of diaphragm to carry out back and forth movement in the back and forth movement of diaphragm 7
Connecting component 13；Being connected to while connecting component 13 pivot running according to the back and forth movement of connecting component 13 will drive
Power transmission is in the transmission parts 15 of driving part 11.
One end of connecting component 13 is connected to below diaphragm 7, and the other end of connecting component 13 is connected to transmission parts 15.
Accordingly, the back and forth movement that connecting component 13 is in linkage with diaphragm 7 carries out back and forth movement, and according to the round-trip fortune of this connecting component 13
Dynamic transmission parts 15 carry out pivoting motion.
Connecting component 13 is to have extension portion 85, guide portion 87, clamping part 89 as shown in Fig. 3 to Fig. 7.
The middle part in extension portion 85 forms clearance groove 86, and a laterally outside of clearance groove 86 is open, and extension portion 85 is by " Contraband " shape
Shape is constituted.In the T-type connection bump 78 of 86 embedded diaphragm 7 of clearance groove in extension portion 85, and then connecting component 13 is connected to diaphragm 7.
Guide portion 87 is the part that is moved up and down according to 7 connecting component 13 of diaphragm of guidance, as shown in Fig. 3, Fig. 4 and Fig. 7 by
To extended a pair of of the composition of pressure reducing valve 5 in the two side ends in extension portion 85.This guide portion 87 is slidably disposed on pressure reducing valve 5
Outside, the i.e. outside of valve housing 27.Accordingly, the guidance of guide portion 87 shrinking and the connecting component 13 of expansion according to diaphragm 7
Back and forth movement.
Clamping part 89 is in the outside of each guide portion 87 protrusion as shown in Fig. 4 and Fig. 7, and each clamping part 89 is along drawing
The length direction for leading portion 87 extends.In addition, forming holding tank 90 in the way of clamping part 89, it is embedded in and presss from both sides in this holding tank 90
The one end for conveying the pivot arm 97 of component 15 is held, and then the pivot arm 97 of transmission parts 15 can be connected in clamping part 89.Accordingly, join
Move the pivotable reception and registration component 15 of back and forth movement in guide portion 87.
As shown in Figures 4 to 7, a pair of of spring extension portion 91 is symmetrically protruded in the two sides of connecting component 13, in spring extension portion 91
Tangle and support the upper end of reset spring 93.Herein, reset spring 93 is to protect driving assembly 9 in the state of zero load
Hold the composition of valve release position.Specifically, the upper end of reset spring 93 is tangled and is fixed by spring extension portion 91, and reset bullet
The lower end of spring 93 is tangled and is fixed by the carbine 95 of valve housing 27, and then reset spring 93 is uncharging A-stage
Down by spring extension portion 91 to 5 layback rotation connection part 13 of pressure reducing valve, and then pressure reducing valve 5 is kept into open state.
Transmission parts 15 are configured to, and are connected to connecting component 13 and carry out pivot rotation according to the back and forth movement of connecting component 13
Turn.The transmission parts 15 as shown in Fig. 3 to Fig. 7 between driving part 11 and connecting component 13 in it is mountable in the outer of pressure reducing valve 5
Side, the i.e. outside of valve housing 27.
This transmission parts 15 have pivot arm 97, pivot 99 and pressurization hook 101 as shown in Fig. 5 to Figure 10.
Pivot arm 97 is made of a pair for being connected to each guide portion 87 of connecting component 13 individually.Each pivot arm 97
One end is embedded in the holding tank 90 of each guide portion 87 and is clamped, and is configured with pivot 99 in the other end of each pivot arm 97.
The connection of pivot 99 is formed as making its other end across a pair of pivot arm 97, and pivot 99 is rotatably supported at valve
The recessed hinge 102 of shell 27, pivot 99 becomes the central point of the pivoting motion of pivot arm 97 accordingly.
Pressurize hook 101, protrudes to the outer direction in the outer peripheral surface of pivot 99, outer peripheral surface of the pressurization hook 101 in pivot 99
It protrudes to the outer direction, so that the groove portion 83 of the pressurization of pressurization hook 101 or even releasing pressurised driving component 11.That is, pressurization hook 101 with
The groove portion 83 of pressurised driving component 11 is pressurizeed or released while the rotation of pivot 99 pivots together, and then can make driving portion
Part 11 pivots.
According to this transmission parts 15, pivot arm 97 is carried out centered on pivot 99 according to the back and forth movement of connecting component 13
It pivots, pivot 99 is pivoted to be rotated and pivoted come the hook 101 that makes to pressurize according to pivot arm 97, and the hook that pressurizes
101 pressurizations release the hanging groove 83 of pressurised driving component 11 and then driving part 11 can be made to pivot
According to driving assembly 9 as described above, the back and forth movement of diaphragm 7 is transformed to the round-trip of connecting component 13 for the first time
Movement, the back and forth movement of connecting component 13 are transformed to the pivoting movement of transmission parts 15, the pivot of transmission parts 15 for the second time
Axis rotary motion third time is transformed to the pivoting movement of driving part 11, pivots fortune according to this driving part 11
81 pressurization of pressurization protrusion of dynamic driving part 11 or even the valve body 33 for releasing pressurization pressure reducing valve 5, and then pressure reducing valve 5 can be opened and closed.
In addition, it is further including as shown in Figure 3 and Figure 6 valve locked configuration that pressure regulator 1 of the invention, which is, and then breathing
Remain off pressure reducing valve 5 at the end of the use of device or when needing.This valve locked configuration is by locking projections 103, bar
105 are constituted with locking press button 107, and wherein transmission parts 15 are limited in latched position by locking projections 103, and bar 105 is formed in drive
The transmission parts 15 of dynamic assembly 9,107 pressure rod 105 of locking press button.
Locking projections 103 are configured to, and the transmission parts 15 for driving assembly 9 is made to be fixed on valve latched position.Locking projections
103 as shown in Fig. 3, Fig. 7 to Figure 13 in the outside of pressure reducing valve 5, i.e., valve housing 27 two sides protrude.Accordingly, lock tab
103 are played as shown in figure 13 to buckle the pivot arm 97 of combination support transmission parts 15, and then connecting component 13 is maintained at
Valve closed position.Accordingly, pull the pulling force effect of the reset spring 93 of connecting component 13 in locking projections 103 and pivot arm 97 it
Between.Accordingly, valve body 33 is not driven the constraint of component 11 completely, but because elastomer 35 is pressurizeed by valve pad 55 to greatest extent,
And then pressure reducing valve 5 is placed in latched position.At this moment, locking projections 103 are preferably formed obliquely the portion contacted with pivot arm 97
Point, so that locking projections 103 are easily combined with the buckle of pivot arm 97.
Bar 105, which extends locking press button 107 along outer diameter direction in pivot 99 as shown in Fig. 3 and Fig. 7, to be protruded.This bar
105 be the composition for pivot 99 and pressurization 101 opposite direction of the hook rotation for making transmission parts 15.
Locking press button 107 is that pressure reducing valve 5 is converted to latched position for wearer or any close subtracts when needed
The button of pressure valve 5 penetrates through 3 ground of shell as shown in Figure 3 and Figure 6 and is installed.Locking press button 107 is by push button shaft 111, pressure button cover
113 and compressed spring 115 etc. are constituted, wherein push button shaft 111 is drawn when the button hole 109 for being inserted into shell 3 is pressed
Enter to pressure rod 105,113 package button axis of pressure button cover, 111 gabarit is come on the inside of shell 3, compressed spring 115 disappears in the power of pressing
When push button shaft 111 is restored to original position.Therefore, locking press button 107 according in wearer into shell 3 push button axis
111 and pressure rod 105, and then rotate the pivot 99 of transmission parts 15, release the pressurization of the hanging groove 83 of pressurised driving component 11
The restrained condition of hook 101.
Hereinafter, the effect of the pressure regulator of respirator according to the preferred embodiment of the invention as described below.
When wearing is applicable in the respirator of pressure regulator 1 of the invention, such as Fig. 8, Figure 11 and Figure 12 institute of pressure regulator 1
Show the driving part 11 of driving assembly 9 because the pulling force of reset spring 93 keeps open state.Specifically, 13 quilt of connecting component
Reset spring 93 pulls downward on, and transmission parts 15 are also pivoted centered on pivot 99.Accordingly, pressurization hook 101 also into
The hanging groove 83 of pressurised driving component 11 while row pivots, driving part 11 is pivoted accordingly, and then driving portion
The compression protrusion 61 of the 81 pressurization valve body 33 of pressurization protrusion of part 11.Accordingly, the valve body 33 while valve body 33 is pushed down
Head 53 is isolated from valve pad 55, and then pressure reducing valve 1 keeps open state.At this moment, the diaphragm 7 for being connected to connecting component 13 is also downward
It is moved to and is located at bottom dead centre.
Under this state, the expiration that wearer breathes out while wearer breathes after wearing passes through blow vent
19 flow into the positive pressure space S inside shell 3.Accordingly, the air pressure of positive pressure space S is got higher, and because the air pressure diaphragm 7 got higher expands, is subtracted
Pressure valve 5 gradually decreases aperture.That is, the expansion of the diaphragm 7 as shown in Fig. 3, Fig. 4 and Figure 13 brings the rising of connecting component 13.According to
The pivot arm 97 of the rising of connecting component 13, transmission parts 15 is pivoted in a clockwise direction.Therefore, with pivot arm 97
The pressurization hook 101 for forming one also pivots in a clockwise direction, and to reduce the pact to hanging groove 83 according to degree of rotation
Beam.Accordingly, the valve body 33 for receiving the compression counter-force of elastomer 35 raises pressurization protrusion 81.Therefore, driving part 11 is to cut with scissors
It is counterclockwise pivoted centered on chain rivet 79, is pressurized when hook 101 tangles that then driving part 11 is stopped in hanging groove 83.Knot
Fruit, in the air pressure maximum of positive pressure space S, pressure reducing valve 5 blocks valve and closes the compression sky flowed into when exhaling by air supply opening 17
Gas.
But if wearer sucks air-breathing on the contrary, the air pressure of positive pressure space S is reduced, and diaphragm 7 is shunk, and is depressurized
Aperture is gradually increased in valve 5.That is, the shrinkage band of diaphragm 7 carrys out the decline of connecting component 13 as shown in Figure 8, because connecting component 13
The pivot arm 97 for rising transmission parts 15 is pivoted in a counterclockwise direction.Accordingly, if pressurization hook 101 presses down on driving
The hanging groove 83 of component 11 pivots driving part 11 in a clockwise direction, then protrusion 81 of pressurizeing presses valve body 33, and then presses
Again the aperture of pressure reducing valve 5 is improved while contracting elastomer 35.
As described above, pressure regulator 1 according to the present invention, it can be empty in compression according to respiratory regulation by air supply opening 17
The amount of the compressed air of the logical supply of gas.Moreover, when terminating using respirator, if pressure-locking button 107, inwardly
Pressurize the bar 105 protruded to 107 side of button as shown in figure 10 or 12 while promoting button 111.Accordingly, transmission parts 15 with
It is pivoted, and is pushed to connecting component 13 to the maximum extent as shown in figure 13 clockwise according to pivot arm 97
Dead point.
Accordingly, diaphragm 7 is unrelated with the pressure of positive pressure space S as shown in Figures 3 and 4 rises to maximum.It rises to dead
Point.At this moment, the pivot arm 97 of transmission parts 15 is more than that locking projections 103 are snapped support, therefore support downward as shown in figure 13
Pull whole pulling force of the reset spring 93 of connecting component 13.Therefore, not by the valve body 33 of 93 resistance of reset spring because of elastomer
The 35 pressurized pressurizations of pad 55 to greatest extent, and then pressure reducing valve 5 can be just in the lock state.Opposite, in the locked state again
When using respirator, after wearing deep air-breathing due to shrink diaphragm 7, or pressing telescoping cover 41 by flexible raised 43 direct weightings every
Film 7, and then pull connecting component 13 to buckle from locking projections 103 and release pivot arm 97.
Claims (7)
1. a kind of pressure regulator of respirator characterized by comprising
Shell (3) has the air supply opening (17) of supply air in side；
Pressure reducing valve (5) is mounted in the shell (3), and is limited and be supplied to mask by the air supply opening (17) of the shell (3)
The flowing of internal air；
Diaphragm (7), setting in the shell (3), and while contraction and expansion is repeated according to the breathing of wearer into
Row back and forth movement；And
Drive assembly (9), will by the back and forth movement of the diaphragm (7) generate driving force convey in the pressure reducing valve (5) Lai
The pressure reducing valve (5) are opened and closed,
The driving assembly (9), comprising:
Driving part (11), hinge are incorporated into the side of the pressure reducing valve (5) to be opened and closed the pressure reducing valve (5)；And
Reception and registration tool (13,15), is connected between the diaphragm (7) and driving part (11), will be by the round-trip of the diaphragm (7)
The driving force that movement generates is conveyed in the driving part (11), and
The pressure reducing valve (5), comprising:
Valve casing (31) forms the flow path that blow vent (19) are connected to from the air supply opening (17)；
Valve body (33) is opened and closed the valve pad (55) formed in the inner peripheral surface side of the valve casing (31)；
Elastic force is applied to the valve body (33), and then is contacted with the valve body (33) valve pad (55) by elastomer (35), and
The reception and registration tool (13,15), comprising:
Connecting component (13), is connected to the diaphragm, linkage in the diaphragm back and forth movement and carry out back and forth movement；And
Transmission parts (15) are connected to the connecting component (13), and are carried out according to the back and forth movement of the connecting component (13)
Driving force is conveyed in the driving part (11) while pivoting.
2. the pressure regulator of respirator according to claim 1, which is characterized in that
In the central part of the shell (3), flexible cover (41) are set, the flexible cover (41) is arranged with being elastically deformed, into
And it oppresses or even releases and oppress the diaphragm (7).
3. the pressure regulator of respirator according to claim 1, which is characterized in that
The diaphragm (7), comprising:
Flexible part (75) is incorporated into the shell (3) and is deformed according to the air pressure in the positive pressure space (S) of the shell (3),
And then the diaphragm (7) is made to shrink or collide；And
Rigid portion (77) is arranged the central part in the flexible part (75), and is connected to the connecting component (13), according to described
The air pressure in positive pressure space (S) makes the connecting component (13) to carry out back and forth movement while moving up and down.
4. the pressure regulator of respirator according to claim 1, which is characterized in that
The driving part (11) is that the pivotable Floor hinge of one end is incorporated into the pressure reducing valve (5),
It is convex in the pressurization that the side of the driving part (11) forms the upper end pressurization to the valve body (33) of pressurizeing or even releases
It rises (81), and forms the groove portion for being transmitted component (15) pressurization or even releasing pressurization in the other end of the driving part (11)
(83)。
5. the pressure regulator of respirator according to claim 4, which is characterized in that
The connecting component (13), comprising:
Extension portion (85) is connected to the diaphragm (7)；
A pair of of guide portion (87) extends in the extension portion (85) to the pressure reducing valve (5), and is slidably disposed on described
The outside of pressure reducing valve (5), and the back and forth movement of the connecting component (13) according to the contraction and expanding pilot of the diaphragm (7)；
And
Clamping part (89), the outside configured in the guide portion (87) and the one end for clamping the transmission parts (15).
6. the pressure regulator of respirator according to claim 5, which is characterized in that
The transmission parts (15), comprising:
Pivot arm (97), one end are clamped by the clamping part (89) of the connecting component (13), and according to the connecting component
(13) back and forth movement is pivoted；
Pivot (99) configures the other end in the pivot arm (97), and the outside for being supported on the pressure reducing valve (5) can revolve
Turn, and is pivoted and rotated according to the pivot arm (97)；And
It pressurizes hook (101), is protruded in the outer peripheral surface of the pivot (99), and pressurize or even release the driving part (11) of pressurizeing
Groove portion (83), and then pivot the driving part (11).
7. the pressure regulator of respirator according to claim 6, which is characterized in that further include:
Valve locked configuration locks the closed state of the pressure reducing valve (5),
The valve locked configuration, comprising:
Locking projections (103), are protrusively formed at the outside of the pressure reducing valve (5), and buckle the support pivot arm (97), into
And the transmission parts (15) are fixed on valve latched position；
Bar (105), protrudes to the outer direction in the outer peripheral surface of the pivot (99)；
Locking press button (107), perforation are arranged in the other side of the shell (3), if to promotion on the inside of the shell (3), plus
The bar (105) is pressed to rotate the pivot (99).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020130102435A KR101399370B1 (en) | 2013-08-28 | 2013-08-28 | Pressure regulator of an air supply apparatus for respiratory protection |
| KR10-2013-0102435 | 2013-08-28 | ||
| PCT/KR2014/008007 WO2015030493A1 (en) | 2013-08-28 | 2014-08-28 | Pressure adjuster for respirator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105517634A CN105517634A (en) | 2016-04-20 |
| CN105517634B true CN105517634B (en) | 2019-01-08 |
Family
ID=50895282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480047372.8A Active CN105517634B (en) | 2013-08-28 | 2014-08-28 | The pressure regulator of respirator |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR101399370B1 (en) |
| CN (1) | CN105517634B (en) |
| WO (1) | WO2015030493A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106334280B (en) * | 2015-07-15 | 2019-01-15 | 梅思安(苏州)安全设备研发有限公司 | Pressure regulator component |
| CN108472520B (en) | 2015-12-30 | 2021-12-07 | 斯科特科技公司 | Respirator mask with gas saver switch |
| CN107284625A (en) * | 2017-06-23 | 2017-10-24 | 湛江市澳佳盛潜水设备有限公司 | Adjustable aqualung |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4787416A (en) * | 1986-02-17 | 1988-11-29 | Chuang Rong Chao | Regulator means for automatically shutting pipeline passage off during pressure reducing failure |
| CN2041571U (en) * | 1988-12-14 | 1989-07-26 | 抚顺煤矿安全仪器厂 | Multi-functional combined reducer for breathing apparatus |
| US5542417A (en) * | 1991-08-29 | 1996-08-06 | Ottestad Breathing Systems As | Pressure regulating unit for supplying a pressurized fluid from alternative supply lines |
| CN1809400A (en) * | 2003-06-26 | 2006-07-26 | 矿井安全装置公司 | Pressure regulator assembly |
| KR101051765B1 (en) * | 2009-01-30 | 2011-07-26 | 주식회사 산청 | Supply Valve for Respiratory |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8196581B2 (en) * | 2008-04-14 | 2012-06-12 | Jeffrey Evan Bozanic | Mouthpiece supply valve |
-
2013
- 2013-08-28 KR KR1020130102435A patent/KR101399370B1/en active IP Right Grant
-
2014
- 2014-08-28 WO PCT/KR2014/008007 patent/WO2015030493A1/en active Application Filing
- 2014-08-28 CN CN201480047372.8A patent/CN105517634B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4787416A (en) * | 1986-02-17 | 1988-11-29 | Chuang Rong Chao | Regulator means for automatically shutting pipeline passage off during pressure reducing failure |
| CN2041571U (en) * | 1988-12-14 | 1989-07-26 | 抚顺煤矿安全仪器厂 | Multi-functional combined reducer for breathing apparatus |
| US5542417A (en) * | 1991-08-29 | 1996-08-06 | Ottestad Breathing Systems As | Pressure regulating unit for supplying a pressurized fluid from alternative supply lines |
| CN1809400A (en) * | 2003-06-26 | 2006-07-26 | 矿井安全装置公司 | Pressure regulator assembly |
| KR101051765B1 (en) * | 2009-01-30 | 2011-07-26 | 주식회사 산청 | Supply Valve for Respiratory |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105517634A (en) | 2016-04-20 |
| KR101399370B1 (en) | 2014-05-27 |
| WO2015030493A1 (en) | 2015-03-05 |
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Effective date of registration: 20190808 Address after: Han Guo Jingjidao Patentee after: Hankelay Foucaine Co., Ltd. Address before: Han Guo Jingjidao Patentee before: Yama Co., Ltd. Chilly |