CN106730180A - It is inverted quantitative foam aerosol valve - Google Patents
It is inverted quantitative foam aerosol valve Download PDFInfo
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- CN106730180A CN106730180A CN201611161516.XA CN201611161516A CN106730180A CN 106730180 A CN106730180 A CN 106730180A CN 201611161516 A CN201611161516 A CN 201611161516A CN 106730180 A CN106730180 A CN 106730180A
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- valve rod
- valve
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- chamber
- valve body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M35/00—Devices for applying media, e.g. remedies, on the human body
- A61M35/003—Portable hand-held applicators having means for dispensing or spreading integral media
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
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- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
Abstract
Quantitative foam aerosol valve, including fixed lid, valve body and valve rod are inverted the invention discloses one kind；Also include a press section, a pressing lever is set in the press section, one is formed between one end of the pressing lever and the inwall of the press section is used to house the quantitative chamber of liquid, and the other end is installed with the valve rod and the valve body is turned on the quantitative chamber；Described valve rod one end is arranged a spring and is stretched out from the valve body and is connected to the fixation and covers, and the other end is sheathed on the end of the pressing lever；The valve rod is provided with moving up and down by the valve rod, and causes the inlet opening that the valve body and the quantitative chamber switch between conducting state and closed state.The present invention can be convenient for carrying simultaneously, realize reducing residual foam in quantitative cavity during use, it is to avoid liquid goes bad, and efficiently controls the precision for spraying aerosol dosage.
Description
Technical field
The present invention relates to a kind of valve of aerosol, more particularly, to a kind of quantitative foam aerosol valve of inversion type.
Background technology
Doser medical at present has many kinds, and the most commonly used is the doser using siphon principle design, this
Doser is planted liquid is injected in the oral cavity of patient generally by the form of hand spray, subsequently into patient lungs,
Manually sprayer unit makes the container of receiving medicine produce certain negative pressure to this administering mode, so that the medicine in container
It is attracted ejection and enters oral cavity.Also it is exactly the doser using propellant pressure injection, due to the spraying of this doser
Pressure is big, and injection residual is small, therefore application is more extensive.
But the foam aerosol valve of prior art is generally made up of parts such as valve rod, valve rod, springs, the aerosol of ejection
Amount be difficult control, sealing effectiveness between all parts nor highly desirable, the situation for often having gas leakage occurs.Make simultaneously
When using foam aerosol, because content is foam property, there is very big difference with ordinary liquid content, foam content
Property is that proterties is liquid when in tank, is foam-like after ejection, but huge in Volume Changes into foam-like from liquid state
Greatly so that great changes will take place for the density of injection content, it is difficult to ensure that the precision of the amount of the aerosol for spraying.
Common proportional valve is content and is prefilled with type, and during pressing valve rod, content sprays in quantitative chamber, and this is quantitative
Valve be without pre-filling procedure, when pressing valve rod, valve rod on earth after, content just from tank enter valve, after being full of, valve rod return
Position, content is overflowed, and quantitative control is then determined by the size of press head, so as to be efficiently controlled by the size of press head
Spray the precision of aerosol dosage.
But, because use is on foam aerosol, ejection is foam-like, thus quantitatively chamber can increase accordingly
Greatly, quantitative chamber and extraneous directly contact will certainly so be caused, the residual foam stayed in cavity after often spraying is more, can deposit
The problems such as liquid is rotten, also there is the increase of whole device structure, be unfavorable for carrying with.
The content of the invention
Quantitative foam aerosol valve is inverted it is an object of the invention to provide one kind, can be convenient for carrying simultaneously, realized
Residual foam in quantitative cavity is reduced during use, it is to avoid liquid goes bad.
The technical scheme that the present invention is provided is as follows：
One kind is inverted quantitative foam aerosol valve, including：
The one fixed lid being used to be fixed on container finish；
One is installed with the valve body in the fixed lid；And,
One is installed with the valve body and valve rod moving up and down；
Characterized in that, also including：
One press section, sets a certain amount of valve and pressing lever, one end of the pressing lever and the pressing in the press section
One is formed between the inwall in portion is used to house the quantitative chamber of liquid, and the other end is installed with the valve rod, and by the valve body with
The quantitative chamber conducting；
Described valve rod one end is arranged a spring and is stretched out from the valve body and is connected to the fixation and covers, and the other end is sheathed on
On one end end of the pressing lever being installed with the valve body；
The valve rod is provided with moving up and down by the valve rod, and causes the valve body with the quantitative chamber in conducting
The inlet opening switched between state and closed state；
When the press section is under pressure, the valve rod is promoted by the pressing lever and moved towards the direction of the fixed lid
Dynamic, the valve body sucks liquid expansion and struts with the quantitative chamber into conducting state, in the quantitative chamber；
When the distress resolves that the press section is subject to, the valve rod is promoted towards away from the fixed lid by the spring
Direction is moved, and with the quantitative chamber into closed state, the quantitative chamber inner liquid medicine sprays and shrinks return the valve body.
In the technical program, the switching using valve body with quantitative chamber under conducting state and closed state, and then realize holding
If the quantitative chamber of foaming agent switches between expansion is strutted and shrinks return, expansion draws liquid when strutting, and shrinks back
The foam inside quantitative chamber can be extruded during position, reduce residual foam in quantitative chamber, while without additionally increasing press section, energy
It is enough to be convenient for carrying simultaneously, it is to avoid liquid goes bad.
Preferably, inner chamber is provided with the valve body, the inner chamber includes admission chamber and goes out sap cavity, the aperture of the admission chamber
More than it is described go out sap cavity aperture；
The stem exterior surface is provided with least one pair of annular groove, and annular groove described in a pair sets up separately in the inlet opening
Both sides up and down, and be embedded with sealing ring in the annular groove；
When the press section is under pressure, the valve rod is moved towards the direction of the fixed lid, outside its valve rod
Wall coordinates with the feed liquor cavity gap, causes the admission chamber with the quantitative chamber into conducting state by the inlet opening；
When the distress resolves that the press section is subject to, the valve rod is moved towards the direction away from the fixed lid, its institute
State the outer wall of valve rod with it is described go out sap cavity interference fit, cause the admission chamber with the quantitative chamber into envelope by the sealing ring
Closed state.
In the technical program, by admission chamber and go out sap cavity and constitute in the inner chamber of valve body, when effectively ensureing injection, feed liquor
Liquid in chamber enters in valve rod, so as to by the quantitative chamber of valve rod input, amount of liquid medicine is controlled effectively.Simultaneously in inlet opening
The annular groove set in the stem exterior surface of both sides, and the sealing ring set in annular groove, can further ensure
During medical liquid spraying, the sealing in admission chamber and quantitative chamber, it is to avoid liquid enters fixed by the gap between admission chamber and valve rod outer wall
In amount chamber, the precision of amount of liquid medicine is further ensured that.
Preferably, the valve rod is arranged one end of the spring includes the first valve rod and the second valve rod, the first valve rod it is outer
More than the external diameter of second valve rod, for abutting the spring being set on second valve rod, and the annular is recessed in footpath
Groove is arranged on the outer surface of first valve rod.
In the technical program, one end of valve rod sheathed spring is arranged to be made up of the first valve rod and the second valve rod, and two
The external diameter of valve rod is of different sizes, and the position of spring so can be effectively limited by the size of external diameter, and then using spring
Elastic-restoring force, during the distress resolves for making it be subject in press section so that valve rod is returned to original state, so as to for next time
Pressing takes liquid and prepares.
Preferably, a conduction pipe is provided with the valve rod, the conduction pipe is relative with the inlet opening from the valve rod
Inner side obtained towards one end extension be connected with the pressing lever, and the conduction pipe is provided with one at relative to the inlet opening
Delivery hole.
In the technical program, a conduction pipe is set in valve rod, and conduction pipe is from the valve rod inner side relative with inlet opening
Extend towards one end for be connected with pressing lever and obtain, due to liquid from it is liquid be converted into foam-like when density become big, volume becomes greatly,
Thus the pressure to the cavity wall in quantitative chamber can also become.So, to avoid the pressure excessive damage caused to whole valve once,
The liquid for so entering from inlet opening is entered in quantitative chamber by conduction pipe in the delivery hole set relative to inlet opening, Ke Yiyou
Play depressurization to effect.
Preferably, the valve rod is provided with a mounting hole near one end of the pressing lever, and described pressing lever one end is inserted in
In the mounting hole so that the conduction pipe is connected with the pressing lever.
In the technical program, the mounting hole that valve rod is set near one end of pressing lever, it is therefore an objective to facilitate pressing lever and valve rod
Connection, and then ensure the stability of both connections, it is further when ensureing that liquid enters or ejects in use
Stability.
Preferably, the side wall of the valve body is provided with spray-hole, and the spray-hole connects a jet rod；
When the distress resolves that the press section is subject to, the delivery hole is mutually corresponding with the spray-hole to be turned on and carries out
Injection.
In the technical program, by the conducting of delivery hole and spray-hole, the foaming agent in quantitative chamber is ejected in realization, and
For user uses.It is not only user-friendly simultaneously in a jet rod of spray-hole connection, and can also increase the spray of liquid
Penetrate distance, it is to avoid hypotelorism liquid fails fully to be used, and causes unnecessary waste.
On the basis of said structure further preferably, the valve body is connected to one end interpolation that the fixation is covered
If a liquid guiding tube.
Liquid guiding tube is plugged in one end that valve body abuts fixed lid, it is therefore an objective to rapidly connect fixed lid by liquid guiding tube
Container bottle inner liquid medicine introduce valve body inner chamber in, so that user uses.Simultaneously can also be by liquid guiding tube by container bottle
Liquid is drawn completely, it is to avoid residual liquor in container bottle, causes unnecessary waste, influences liquid using effect.
On the basis of said structure further preferably, the pressing lever is inverted T-type structure, the inverted T-type structure
Montant be provided with a mounting groove, the mounting groove is to extend towards bottom surface direction from the top surface of the montant of the inverted T-type structure, and
Less than the length of the montant of the inverted T-type structure, the mounting groove is annular mounting groove to development length.
Preferably, the inwall of the annular mounting groove is stretched into the valve rod, the cross bar bottom surface of the inverted T-type structure and institute
The quantitative chamber is formed between the inwall for stating press section, the valve rod is turned on the quantitative chamber；
The outer wall of the annular mounting groove is enclosed and is located at the valve body outside, and the valve body is carried out up and down in the mounting groove
It is mobile.
In the technical program, pressing lever is set to inverted T-type structure, the pressing lever of inverted T-type structure can not only increase to be pressed
Pressure surface is accumulated, and improves the stability of pressing, moreover it is possible to ensure the occupied area in quantitative chamber, it is ensured that quantitative chamber expands or receive doing repeatedly
Contracting, is effectively prevented from the change for occurring in volume, and then influences to deposit the precision of amount of liquid medicine.Simultaneously in the perpendicular of inverted T-type structure
One mounting groove is set in bar, and mounting groove is annular mounting groove, and then the inwall of annular mounting groove is stretched into valve rod, and it is outer
Wall encloses and is located at outside valve body, when can so ensure to press the cross bar of inverted T-type structure, enables to whole press section to be done along valve body
Lower movement, so that band ovable valve stem is moved up and down, on the basis of pressing lever and valve rod and valve body connective stability is ensured, makes it
Switched between suction liquid and injection liquid.
Preferably, the press section is made of flexible material, and the described quantitative chamber formed in the press section is half
It is spherical.
In the technical program, quantitative chamber is arranged to hemispherical, can be on the basis of pressing stabilization be ensured, additionally it is possible to carry
Height pressing comfort level, and effectively reduce the area of press section, it is convenient for carrying.Press section is made of flexible material simultaneously,
Can so utilize the self property for being made material to realize expansion or shrinkage, the volume of press section can not only be reduced, also carry
The quantitative accurate degree of foaming agent high, designs ingenious, and production cost is relatively low.
A kind of inversion that the present invention is provided quantifies foam aerosol valve, can bring following at least one beneficial effect：
1st, in the present invention, by set press section, and in press section set pressing lever, pressing lever one end with press
The quantitative chamber for housing liquid is formed between the inwall of splenium, by the expansion or shrinkage in quantitative chamber, can not increase whole
It is convenient for carrying on the basis of body structure product, while reduced during realizing use in quantitative cavity having residual foam, it is to avoid
The next using effect of the rotten influence of liquid.
2nd, in the present invention, body cavity is by admission chamber and goes out sap cavity and constitutes, and realizes the segmentation to body cavity so that valve
Bar meets the inlet opening set on valve rod and is cut between conducting and closing from the different inner chambers of segmentation in the state of difference
Change, and then meet the demand under different conditions, i.e., realize feed liquor function with admission chamber conducting, and liquid is realized out with sap cavity conducting is gone out
Function (is now in closed state) with admission chamber, and does not have unnecessary liquid when ensureing liquid into quantifying in chamber, effectively
Ground ensures the accuracy of quantitative chamber memory storage dose.
3rd, in the present invention, by a pair of the annular grooves set in the stem surface of inlet opening both sides, and annular
The sealing ring set in groove, further when valve rod and admission chamber are into closed state, improves sealing, it is to avoid produce leakage
Phenomenon, the accuracy of the quantitative chamber internal memory dose of influence.
4th, in the present invention, a conduction pipe is set in valve rod, at the same one end of valve rod sheathed spring by external diameter size not
With the first valve rod and the second valve-rod combination constitute, can effectively reduce liquid from liquid change into foam-like when, to quantitative
Chamber produces excessive pressure, reduction of service life, additionally it is possible to which the spring to being set on the second valve rod has restriction effect, Jin Ershi
Now to the restriction of valve rod moving range, so as to define the amount of liquid medicine eventually entered into quantitative chamber by moving range.
5th, in the present invention, the movement to valve rod is realized in the press section by setting, while pressing lever is set into inverted T shape
Structure, can not only improve the occupied area in quantitative chamber, and quantitative chamber limit is done into expansion or shrinkage in certain scope,
The stability of pressing, and comfortableness can also be improved, more optimizedly avoiding expanding repeatedly causes the expansion of press section so that quantitative
The volume in chamber becomes big, and then influences the precision of the amount of liquid medicine of storage.
6th, in the present invention, hemispherical dome structure press section being made up of flexible material, it is fixed to be reached using the characteristic of material
The expansion or shrinkage effect in chamber is measured, quantitative accuracy is met, more optimizedly compact structure is simple, convenient for production, production cost
It is low.
Brief description of the drawings
Below by clearly understandable mode, preferred embodiment is described with reference to the drawings, to being inverted quantitative foam aerosol
The above-mentioned characteristic of valve, technical characteristic, advantage and its implementation are further described.
Fig. 1 is the dimensional structure diagram that the present invention is inverted quantitative foam aerosol valve；
Fig. 2 be the present invention be inverted quantitative another angle of foam aerosol valve referring to dimensional structure diagram；
Fig. 3 is that A-A directions press section is in pressed state in Fig. 2, the cross section view of valve rod and valve body conducting；
Fig. 4 is that B-B directions press section is in pressed state in Fig. 2, the cross section view of valve rod and valve body conducting；
Fig. 5 is that A-A directions press section is in return state in Fig. 2, and valve rod sprays cross section view with valve body enclosing foam；
Fig. 6 is that B-B directions press section is in return state in Fig. 2, and valve rod sprays cross section view with valve body enclosing foam；
Fig. 7 is the cross-sectional view that the present invention is inverted valve body in quantitative foam aerosol valve；
Fig. 8 is the cross-sectional view that the present invention is inverted valve rod in quantitative foam aerosol valve；
Fig. 9 is the structural representation that the present invention is inverted pressing lever in the press section of quantitative foam aerosol valve；
Figure 10 is that the present invention is inverted in quantitative foam aerosol valve the structural representation that jet rod is connected on spray-hole.
Drawing reference numeral explanation：
Fixed lid 100；Connecting portion 101；Ejection section 102；
Valve body 200；Inner chamber 201；Admission chamber 2011；Go out sap cavity 2012；Spray-hole 202；Jet rod 203；
Valve rod 300；Inlet opening 301；Annular groove 302；Sealing ring 303；First valve rod 3101；Second valve rod 3102；Peace
Dress hole 311；Conduction pipe 320；Delivery hole 321；
Press section 400；Quantitative chamber 401；Pressing lever 402；Cross bar 4021；Montant 4022；Mounting groove 4023；
Spring 500；
Liquid guiding tube 600.
Specific embodiment
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, control is illustrated below
Specific embodiment of the invention.It should be evident that drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing, and obtain other implementation methods.
To make simplified form, part related to the present invention is only schematically show in each figure, their not generations
Table its as product practical structures.Simultaneously so that simplified form is readily appreciated, it is of the invention it is upper and lower be defined as in Fig. 1 it is upper,
Under, this is also orientation of present invention when actually used, and subsequent drawings continue to use this definition, in addition, solid section represents close in figure
Seal 303.
In embodiments of the invention one, foam aerosol valve, the valve are quantified referring to a kind of inversion the shown in Fig. 1-10
Door includes a valve body 200 that fixed lid 100, is installed with fixed lid 100 for being used to be fixed on container finish；And be installed with
In the valve body 200 and valve rod 300 moving up and down, wherein, also including a press section 400.It is specific to be set in press section 400
Pressing lever 402 is put, one is formed between one end of pressing lever 402 and the inwall of press section 400 is used to house the quantitative chamber of liquid
401, the other end of pressing lever 402 is installed with valve rod 300, and realization turns on valve body 200 with quantitative chamber 401.
In embodiments of the invention one, referring to shown in Fig. 1-6, valve body 200 is fixed in fixed lid 100, what it was fixed
During mode has more, it is unlike the prior art that fixed lid 100 is included for being connected with container bottle (not indicated in figure) in the application
Connecting portion 101 and the ejection section 102 for installing valve body 200 and sprayed.During installation, the one end of valve rod 300 is arranged a bullet
Spring 500 is simultaneously connected on the connecting portion 101 of fixed lid 100 from interior the stretching out of valve body 200, and the other end is sheathed on and is installed with valve body
On the end of the pressing lever 402 in 200.
Wherein it should be noted that during practice, inlet opening 301 is set on the outer wall of valve rod 300, and inlet opening 301
Quantity is multiple, and uniform score is in the outer wall surrounding of valve rod 300, while need to be located in same level, as shown in Figure 8, this
Sample passes through multiple inlet openings 301 and can accelerate liquid admission velocity, ensure that the foaming agent sprayed in continuous pressing all
It is equivalent, improves the quantitative accurate for spraying liquid, and then moving up and down by valve rod 300 so that valve body 200 and quantitative chamber
401 inlet openings 301 switched between conducting state and closed state.
Specifically, as shown in Fig. 3,4, when press section 400 is under pressure, pressing lever 402 is moved up, and promotes valve rod
300 move up (moved towards the direction of the connecting portion 101 of fixed lid 100), now, valve body 200 and the conducting of 401 one-tenth of quantitative chamber
State, i.e. liquid can enter in valve rod 300 from the inner chamber 201 of valve body 200 through inlet opening 301, finally into foam-like by valve rod
In the quantitative chamber 401 of 300 inputs.Now, softened state is expanded into after suction foam-like liquid in quantitative chamber 401.
As shown in Fig. 5,6, and when the distress resolves that press section 400 is subject to, restoring force of the pressing lever 402 in spring 500
The lower promotion of effect moves down (i.e. towards the direction movement of the connecting portion 101 away from fixed lid 100), now, valve body 200 with it is quantitative
401 one-tenth of chamber closed state, i.e. liquid more cannot cannot enter fixed from the inner chamber 201 of valve body 200 through inlet opening 301 by valve rod 300
In amount chamber 401, and now, the foaming agent liquid in quantitative chamber 401 sprays from spray-hole 202, because the size in quantitative chamber 401 is consolidated
It is fixed, therefore can effectively ensure the accuracy of foaming agent amount of liquid medicine for ejecting.
In embodiments of the invention two, referring to shown in Fig. 7, improved on the basis of embodiment one, improvements exist
In：It is provided with inner chamber 201 in the valve body 200 of setting, and inner chamber 201 includes the admission chamber 2011 that enters for liquid and goes out sap cavity
2012, during actual setting, the aperture for being more than sap cavity 2012 that the aperture of admission chamber 2011 is set.As shown in Figure 8, exist simultaneously
The outer surface of valve rod 300 is provided with least one pair of annular groove 302, and a pair of annular grooves 302 set up separately in the upper of inlet opening 301
Lower both sides, i.e. inlet opening 301 towards on the outer surface between the end face of the valve rod 300, while being embedded in annular groove 302 close
Seal 303, can so effectively improve sealing during injection, it is to avoid seam of the liquid between inner chamber 201 and the wall of valve rod 300
Flowed into gap in quantitative chamber 401.Wherein, it should be noted that a pair of annular grooves 302 are to be set from the outer surface of valve rod 300
Put four chimbs, between adjacent chimb formed annular groove 302, and between two two neighboring annular grooves 302 i.e. formed into
Fluid apertures 301.
When press section 400 is under pressure, valve rod 300 is moved up, i.e., towards the direction movement of fixed lid 100.Now, and
The outer wall of valve rod 300 coordinates with the gap of admission chamber 2011, causes that admission chamber 2011 is led for 401 one-tenth with quantitative chamber by inlet opening 301
Logical state, it is ensured that liquid enters in quantitative chamber 401 from valve rod 300, that is, realize the process for taking liquid.
When press section 400 is under pressure disappearance, valve rod 300 is moved down, i.e., moved towards the direction away from fixed lid 100
It is dynamic, and the outer wall of valve rod 300 with go out the interference fit of sap cavity 2012, now, admission chamber 2011 and quantitative is caused by sealing ring 303
401 one-tenth of chamber closed state, can avoid liquid from entering inlet opening 301 from the gap of valve rod Yu the inner chamber 201 of valve body 200, and then
The dose of the quantitative memory storage of chamber 401 of influence.
In embodiments of the invention two, it is preferable that one end of the sheathed spring 500 of valve rod 300 is included into the first valve rod
3101 and second valve rod 3102, while the external diameter more than the second valve rod 3102 that the external diameter of the first valve rod 3101 is set, purpose
It is that the spring 500 being set on the second valve rod 3102 is abutted by larger the first valve rod 3101 of external diameter.So can be effectively
The range of movement of spring 500 is limited, so as to limit the scope that press section 400 moves up and down, is reached to the inner liquid medicine amount of quantitative chamber 401
Restriction.And then annular groove 302 is arranged on the outer surface of the first valve rod 3101, can so avoid liquid from valve body
Flowed into gap between 200 wall of inner chamber 201 and the outer wall of valve rod 300 in quantitative chamber 401.
In embodiments of the invention three, referring again to shown in Fig. 8, improved on the basis of above-mentioned two embodiment,
And the improvement is that：There is a conduction pipe 320 in the valve rod 300 of setting, because the valve in the application is used for spray foam agent
Aerosol, thus the liquid liquid for avoiding enter into when changing into foam-like Volume Changes it is too fast, influence the use of proportional valve 401
Life-span and the conduction pipe 320 that sets, conduction pipe 320 particularly from the inner side relative with inlet opening 301 of valve rod 300 towards and pressing
One end extension of the connection of bar 402 is obtained, and conduction pipe 320 is provided with a delivery hole 321 at relative to inlet opening 301, so may be used
To cause that the liquid entered from inlet opening 301 is directly imported in quantitative chamber 401 from delivery hole 321.It should be noted that in the application
Conduction pipe 320 be the circulation duct directly opened up on valve body 200.
In embodiments of the invention three, it is preferable that be provided with a mounting hole near one end of pressing lever 402 in valve rod 300
311, the one end of pressing lever 402 directly can be plugged in mounting hole 311 when so installing interior, it is ensured that conduction pipe 320 with press
Depression bar 402 is connected, and so not only facilitates connection, and ensure the stability of connection.
In embodiments of the invention four, referring to shown in Figure 10, further preferably spray is provided with the side wall of valve body 200
Perforation 202, spray-hole 202 connects a jet rod 203.So when the distress resolves that press section 400 is subject to, in spring 500
In the presence of restoring force, the mutually corresponding ejection for turning on and being sprayed, liquid can be improved of delivery hole 321 and spray-hole 202
Efficiency.
In the specifically used embodiment one of the present invention, referring to shown in Fig. 1-6, it is connected on fixed lid 100 in valve body 200
One end in plug a liquid guiding tube 600, and the liquid guiding tube 600 for setting is used to all draw the liquid in container bottle.
In the specifically used embodiment two of the present invention, referring to shown in Fig. 9, pressing lever 402 is further arranged to down T
Type structure.Specific that the montant 4022 of inverted T-type structure is provided with into a mounting groove 4023, the setting of mounting groove 4023 is from T
The top surface of the montant 4022 of type structure extends (above-below direction i.e. in figure) towards bottom surface direction, and development length is less than inverted T shape knot
The length of the montant 4022 of structure, and mounting groove 4023 is annular mounting groove 4023, i.e., enclosed along central axis winding one.Purpose be by
When pressing lever 402 is connected with valve rod 300 and valve body 200, the inwall of annular mounting groove 4023 is stretched into valve rod 300, and inverted T shape
Chamber 401 is quantified and is formed, now, valve rod 300 and quantitative chamber between the bottom surface of cross bar 4021 of structure and the inwall of the press section 400
401 conductings, i.e., turned on by conduction pipe 320, can so ensure the liquid in valve body 200 swimmingly into proportional valve 401
In quantitative chamber 401；And the outer wall of annular mounting groove 4023 encloses and is located at the outside of valve body 200 so that valve body 200 is in mounting groove 4023
Move up and down.So ensure the connective stability of pressing lever 402 and valve body 200, be also guarantee monnolithic case aesthetics.This
In application, it should be noted that valve body 200 is installed with the ejection section 102 of fixed lid 100, and the spray of the one end of valve body 200 will be installed with
Penetrate portion 102 to be also installed with mounting groove 4023, not only compact conformation, and good appearance.Simultaneously in mounting groove 4023 and valve body 200
Outer wall between the shift position of press section 400 is limited by a locating part, it is ensured that on the basis of stable connection, limit mobile
Length.
In the specifically used example IV of the present invention, referring to Figure 10, use for convenience when in use, and improve liquid
Utilization rate, further connects a jet rod 203 on spray-hole 202.The connection of specific jet rod 203 and spray-hole 202
Do not limited in mode, and length the application of jet rod 203, rational adjustment is done according to the actual requirements.
In the specifically used embodiment five of the present invention, it is understandable be the main quantitative chamber by setting volume it is big
It is small to be related to the precision for spraying aerosol dosage.According to this, in the application, proportional valve 401 is set to hemispherical.Practice
When, the bottom of hemispheric arcwall face is pressed, improve the comfort level of pressing.
It should be noted that press section 400 mainly be made of flexible material, flexible material is preferably rubber, so when
When press section 400 is under pressure, pressing lever 402 is moved up, and promotes valve rod 300 to move up.Now, valve body 200 is interior
Chamber 201 can enter valve rod 300 from the inner chamber 201 of valve body 200 with 401 one-tenth of quantitative chamber conducting state, i.e. liquid through inlet opening 301
It is interior, finally enter in proportional valve 401 into foam-like, and then strutted so that being expanded into after suction foam-like liquid in quantitative chamber 401
State.
When the distress resolves that press section 400 is subject to, pressing lever 402 promotes downward under the restoring force effect of spring 500
Mobile, now, inner chamber 201 and 401 one-tenth of the quantitative chamber closed state of valve body 200 cause that liquid cannot be from the inner chamber of valve body 200
201 are again introduced into valve rod 300 through inlet opening 301, so as to cannot be introduced into quantitative chamber 401.And now, delivery hole 321 be with
The spray-hole 202 that the side wall of valve body 200 is provided with mutually correspondence, realizes the foaming agent liquid in quantitative chamber 401 from spray-hole
202 spray.Because the elastic modelling quantity of rubber is small, typically in 1-9.8Mpa.Elongation strain is big, and elongation may be up to 100%, still table
Existing recoverable characteristic, and can keep flexible in the range of temperature (- 50-+150 DEG C) very wide, therefore can be effectively
On the basis of overall volume is not increased, it is convenient for carrying, while reducing residual bubble in the quantitative body of chamber 401 during realizing use
Foam, it is to avoid liquid goes bad.
It should be noted that above-described embodiment can independent assortment as needed.The above is only of the invention preferred
Implementation method, it is noted that for those skilled in the art, is not departing from the premise of the principle of the invention
Under, some improvements and modifications can also be made, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of inversion quantifies foam aerosol valve, including：
The one fixed lid being used to be fixed on container finish；
One is installed with the valve body in the fixed lid；And,
One is installed with the valve body and valve rod moving up and down；
Characterized in that, also including：
One press section, sets a pressing lever, between one end of the pressing lever and the inwall of the press section in the press section
Forming one is used to house the quantitative chamber of liquid, and the other end is installed with the valve rod, and the valve body is led with the quantitative chamber
It is logical；
Described valve rod one end is arranged a spring and is stretched out from the valve body and is connected to the fixation and covers, and the other end is sheathed on described
On one end end of pressing lever；
The valve rod is provided with moving up and down by the valve rod, and causes the valve body with the quantitative chamber in conducting state
The inlet opening switched over and closed state between；
When the press section is under pressure, the valve rod is promoted the direction movement towards the fixed lid, institute by the pressing lever
Valve body is stated with the quantitative chamber into conducting state, suction liquid expansion is strutted in the quantitative chamber；
When the distress resolves that the press section is subject to, the valve rod is promoted towards the direction away from the fixed lid by the spring
Mobile, with the quantitative chamber into closed state, the quantitative chamber inner liquid medicine sprays and shrinks return the valve body.
It is 2. according to claim 1 to be inverted quantitative foam aerosol valve, it is characterised in that：
Inner chamber is provided with the valve body, the inner chamber includes admission chamber and goes out sap cavity, and the aperture of the admission chamber goes out more than described in
The aperture of sap cavity；
The stem exterior surface is provided with least one pair of annular groove, and annular groove described in a pair sets up separately in the upper of the inlet opening
Lower both sides, and it is embedded with sealing ring in the annular groove；
When the press section is under pressure, the valve rod towards the fixed lid direction movement, the outer wall of its valve rod with
The feed liquor cavity gap coordinates, and causes the admission chamber with the quantitative chamber into conducting state by the inlet opening；
When the distress resolves that the press section is subject to, the valve rod is moved towards the direction away from the fixed lid, its described valve
The outer wall of bar with it is described go out sap cavity interference fit, cause the admission chamber with the quantitative chamber into closed by the sealing ring
State.
It is 3. according to claim 2 to be inverted quantitative foam aerosol valve, it is characterised in that：
One end that the valve rod is arranged the spring includes the first valve rod and the second valve rod, and the external diameter of the first valve rod is more than described the
The external diameter of two valve rods, for abutting the spring being set on second valve rod, and the pair of annular groove is arranged on
On the outer surface of first valve rod.
It is 4. according to claim 1 to be inverted quantitative foam aerosol valve, it is characterised in that：
A conduction pipe is provided with the valve rod, the conduction pipe is from the valve rod inner side court and institute relative with the inlet opening
One end extension for stating pressing lever connection is obtained, and the conduction pipe is provided with a delivery hole at relative to the inlet opening.
It is 5. according to claim 4 to be inverted quantitative foam aerosol valve, it is characterised in that：
The valve rod is provided with a mounting hole near one end of the pressing lever, and described pressing lever one end is inserted in the mounting hole
It is interior so that the conduction pipe is connected with the pressing lever.
It is 6. according to claim 4 to be inverted quantitative foam aerosol valve, it is characterised in that：
The side wall of the valve body is provided with spray-hole, and the spray-hole connects a jet rod；
When the distress resolves that the press section is subject to, the delivery hole is mutually corresponding with the spray-hole to be turned on and is sprayed
Penetrate.
7. the quantitative foam aerosol valve of inversion according to claim 1-6 any one, it is characterised in that：
The valve body is connected to and a liquid guiding tube is plugged in one end that the fixation is covered.
8. the quantitative foam aerosol valve of inversion according to claim 1-6 any one, it is characterised in that：
The pressing lever is inverted T-type structure, and the montant of the inverted T-type structure is provided with a mounting groove, and the mounting groove is from institute
The top surface for stating the montant of inverted T-type structure extends towards bottom surface direction, and development length is less than the length of the montant of the inverted T-type structure
Degree, the mounting groove is annular mounting groove.
It is 9. according to claim 8 to be inverted quantitative foam aerosol valve, it is characterised in that：
The inwall of the annular mounting groove is stretched into the valve rod, cross bar bottom surface and the press section of the inverted T-type structure
The quantitative chamber is formed between inwall, the valve rod is turned on the quantitative chamber；
The outer wall of the annular mounting groove encloses and is located at the valve body outside, and the valve body carries out moving down in the mounting groove
It is dynamic.
10. the quantitative foam aerosol valve of inversion according to claim 1-6 any one, it is characterised in that：
The press section is made of flexible material, and the described quantitative chamber formed in the press section is hemispherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611161516.XA CN106730180A (en) | 2016-12-15 | 2016-12-15 | It is inverted quantitative foam aerosol valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611161516.XA CN106730180A (en) | 2016-12-15 | 2016-12-15 | It is inverted quantitative foam aerosol valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106730180A true CN106730180A (en) | 2017-05-31 |
Family
ID=58891523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611161516.XA Pending CN106730180A (en) | 2016-12-15 | 2016-12-15 | It is inverted quantitative foam aerosol valve |
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|---|---|
| CN (1) | CN106730180A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU60590A1 (en) * | 1969-04-04 | 1970-05-26 | ||
| US4433797A (en) * | 1979-05-21 | 1984-02-28 | Karl Galia | Metered quantity dispensing valve |
| AU1338988A (en) * | 1987-03-25 | 1988-09-29 | Societe De Promotion, Recherche Et Innovation Technologique | Head for dispensing regulated amounts of material for use with a pressurized container with a continuous valve |
| US4809888A (en) * | 1983-05-05 | 1989-03-07 | Societe De Promotion, Recherche Et Innovation Technologique | Metering valve |
| WO2004041340A3 (en) * | 2002-10-30 | 2005-02-24 | Nektar Therapeutics | Increased dosage metered dose inhaler |
| CN201684290U (en) * | 2010-03-23 | 2010-12-29 | 上海华瑞气雾剂有限公司 | Officinal uptight quantitative valve |
| CN104379452A (en) * | 2012-06-07 | 2015-02-25 | 和谐医疗有限公司 | Improvements in or relating to dispensing valves |
-
2016
- 2016-12-15 CN CN201611161516.XA patent/CN106730180A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU60590A1 (en) * | 1969-04-04 | 1970-05-26 | ||
| US4433797A (en) * | 1979-05-21 | 1984-02-28 | Karl Galia | Metered quantity dispensing valve |
| US4809888A (en) * | 1983-05-05 | 1989-03-07 | Societe De Promotion, Recherche Et Innovation Technologique | Metering valve |
| AU1338988A (en) * | 1987-03-25 | 1988-09-29 | Societe De Promotion, Recherche Et Innovation Technologique | Head for dispensing regulated amounts of material for use with a pressurized container with a continuous valve |
| WO2004041340A3 (en) * | 2002-10-30 | 2005-02-24 | Nektar Therapeutics | Increased dosage metered dose inhaler |
| CN201684290U (en) * | 2010-03-23 | 2010-12-29 | 上海华瑞气雾剂有限公司 | Officinal uptight quantitative valve |
| CN104379452A (en) * | 2012-06-07 | 2015-02-25 | 和谐医疗有限公司 | Improvements in or relating to dispensing valves |
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