CN207673903U - A kind of Novel Dual spraying bag valve - Google Patents
A kind of Novel Dual spraying bag valve Download PDFInfo
- Publication number
- CN207673903U CN207673903U CN201721924181.2U CN201721924181U CN207673903U CN 207673903 U CN207673903 U CN 207673903U CN 201721924181 U CN201721924181 U CN 201721924181U CN 207673903 U CN207673903 U CN 207673903U
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- valve
- valve rod
- venthole
- valve body
- bag
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Abstract
A kind of Novel Dual spraying bag valve, valve rod is provided with the hydrojet channel for being connected to valve rod fluid ejection chamber and valve body, hydrojet channel includes metering hole and hydrojet gap, metering hole is opened in the middle part of valve rod, one end of metering hole is connected to the fluid ejection chamber of valve rod, and the other end of metering hole is connected to stem exterior, and hydrojet gap is surrounded jointly by the inner wall of valve body and the outer wall of valve rod, valve rod, which is located at below metering hole, is provided with collar flange, top and the accessible sealing in inner seal ring bottom end of collar flange；The bottom surface of valve seat radially offers the first venthole and the second venthole successively by center, and first venthole area be more than the second venthole area, elastomeric pad is arranged on valve body, and the top surface of elastomeric pad closes with valve cup bottom face paste and covers the first venthole and the second venthole；Hermetic bag and the bottom end seal of valve body connect, and are connected to valve inner inside hermetic bag.The utility model energy automatic pressure-reducing, flow speed stability, good airproof performance.
Description
Technical field
The utility model is related to valve field, espespecially a kind of Novel Dual spraying bag valve.
Background technology
Aerosol can means that dress is encapsulated in special valve system jointly with suitable propellant for drug containing, lotion or suspension
In pressure vessel, content is sprayed by the pressure of propellant when use in spray, suck for lung or be directly sprayed onto
The preparation of cavity mucous membrane, skin and space disinfection.Aerosol can typically comprises circle tube tank, is installed at the top of the circle tube tank
There is valve seat, which is typically mounted to equipped with the valve mounted on center, the valve on the inner surface of valve seat, and via
The operable valve of valve rod stretched out from the hole in valve seat center.
Aerosol can is pressure packaging product, and function material agent is mostly organic solvent, propellant use at present it is mostly be combustible gas
Body, therefore aerosol can product is also an inflammable and explosive dangerous material, and raw material mixes with propellant and causes raw material by secondary dirt
Dye；When environment temperature increases, the pressure in aerosol can also can be increased drastically, may be caused because pressure is excessive more than temperature extremes
Explosion.Therefore it is all vital to improve the degree of purity of raw material, the security performance of raising aerosol can, guarantee pressure inside the tank stabilization.
Therefore it needs to be improved the valve of aerosol can.
Invention content
To solve the above problems, the utility model provides a kind of safe and reliable, good airproof performance, pressure stability Novel Dual
Spraying bag valve.
To achieve the above object, the technical solution adopted in the utility model is：A kind of Novel Dual spraying bag valve, including valve
Seat, hollow valve body, valve rod, inner seal ring, spring, hermetic bag, the valve body are fixed in valve seat, and the valve rod runs through
Valve body, the inner seal ring are crimped between the top of valve body and the inner wall of valve seat, and inner seal ring is socketed in one end of valve rod
Be slidingly sealed with valve rod composition, one end of valve rod also in be equipped with fluid ejection chamber, spring be crimped on valve rod the other end and valve body it is interior
Between wall, the valve rod is provided with the hydrojet channel for being connected to valve rod fluid ejection chamber and valve body, and the hydrojet channel includes current limliting
Hole and hydrojet gap, the metering hole are opened in the middle part of valve rod, and one end of metering hole is connected to the fluid ejection chamber of valve rod, metering hole
The other end be connected to stem exterior, the hydrojet gap is surrounded jointly by the inner wall of valve body and the outer wall of valve rod, and valve rod is located at
Collar flange, and the accessible sealing in the top of collar flange and the bottom end of inner seal ring are provided with below metering hole；
The bottom surface of the valve seat radially offers the first venthole and the second venthole, and first successively by center
The area of venthole is more than the area of the second venthole, is arranged with elastomeric pad on the valve body, and the top surface of elastomeric pad with
Valve cup bottom face paste, which is closed, covers the first venthole and the second venthole；
The hermetic bag and the bottom end seal of valve body connect, and are connected to valve inner inside hermetic bag.
Specifically, the top of the valve body is provided with the positioning step for disposing inner seal ring, the inner seal ring
Bottom surface offers the first seal groove and the second seal groove, is arranged inside and outside first seal groove and the second seal groove, positioning step
On be provided with first boss corresponding with the first seal groove, and first boss is embedded in the first seal groove, the top of collar flange
End is provided with second boss corresponding with the second seal groove, and second boss is embedded in the second seal groove.
Specifically, the valve rod is located at the rib that vertical direction is provided on the outer wall below collar flange, the rib
It is circumferentially evenly spaced on along outer wall.
Specifically, the pilot hole passed through for valve rod one end is provided on the valve seat, the top of the pilot hole, which is provided with, to be turned over
Side, the flange are crimped on the outer wall of valve rod one end.
Specifically, first venthole is sector, and second venthole is circle.
Specifically, the outer edge of the valve seat is socketed with exterior seal ring.
The beneficial effects of the utility model are：The company that the utility model passes through the metering hole and hydrojet gap of control valve rod
It is easy to operate come whether controlling outlet whether logical；Raw material is wrapped up by hermetic bag, so that raw material and propellant is separated, prevents
Raw material is secondarily contaminated, while propellant uses nitrogen or compressed air, reduces inflammable and explosive possibility, greatly improves
The security performance of aerosol can；By opening up the first venthole and the second venthole in valve seat bottom surface, when air pressure is excessive in tank,
It is fitted in the size degree that the elastomeric pad of valve seat bottom surface is more than preset value according to air pressure in tank, successively to the second venthole and the
One venthole Direction distortion is shunk, and makes the second venthole of exposing and the first venthole row pressure, is ensured that intraductal atmospheric pressure is constant and is less than in advance
If value, achievees the purpose that automatic pressure-reducing, safety anti-explosive.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Drawing reference numeral explanation：
1. valve seat；2. valve body；3. valve rod；4. inner seal ring；5. spring；6. hermetic bag；7. exterior seal ring；
11. the first venthole；12. the second venthole；13. flange；
21. elastomeric pad；23. first boss；
31. fluid ejection chamber；32. metering hole；33. collar flange；34. rib；
61. second boss.
Specific implementation mode
Referring to Fig. 1, the utility model is about a kind of Novel Dual spraying bag valve, including valve seat 1, hollow valve body 2, valve
Bar 3, inner seal ring 4, spring 5, hermetic bag 6, the valve body 2 are fixed in valve seat 1, and the valve rod 3 runs through valve body 2, institute
Inner seal ring 4 is stated to be crimped between the top of valve body 2 and the inner wall of valve seat 1, and inner seal ring 4 be socketed in one end of valve rod 3 with
The composition of valve rod 3 is slidingly sealed, and one end of valve rod 3 is also interior to be equipped with fluid ejection chamber 31, and spring 5 is crimped on the other end and valve body 2 of valve rod 3
Inner wall between, the valve rod 3 is provided with the hydrojet channel for being connected to valve rod 3 fluid ejection chamber 31 and valve body 2, the hydrojet channel
Including metering hole 32 and hydrojet gap, the metering hole 32 is opened in the middle part of valve rod 3, one end and the valve rod 3 of metering hole 32
Fluid ejection chamber 31 is connected to, and the other end of metering hole 32 is connected to 3 outside of valve rod, the hydrojet gap by valve body 2 inner wall and valve rod 3
Outer wall surround jointly, the lower section that valve rod 3 is located at metering hole 32 is provided with collar flange 33, and the top of collar flange 33 with it is interior
The accessible sealing in the bottom end of sealing ring 4；
The bottom surface of the valve seat 1 is radially offered the first venthole 11 and the second venthole 12 by center successively,
And first the area of venthole 11 be more than the area of the second venthole 12, elastomeric pad 21, and elasticity are arranged on the valve body 2
The top surface of gasket 21 is bonded with 1 bottom surface of valve seat and covers the first venthole 11 and the second venthole 12；
The hermetic bag 6 is connect with the bottom end seal of valve body 2, and 6 inside of hermetic bag is connected to 2 inside of valve body.
The operation principle of the utility model is：When installing in the present apparatus to aerosol can, first in bag valve and aerosol can
Suitable nitrogen or compressed air are filled between wall, then by bag valve fixing seal, then fills raw material into hermetic bag 6, are sealed
6 expansion of bag simultaneously generates pressure with the gas in aerosol can.When spring 5 is in extended configuration, the collar flange 33 of valve rod 3 against
In the bottom end of inner seal ring 4, the functional seal of valve is formed, the metering hole 32 of valve rod 3 and hydrojet gap is separated, valve
Fluid in body 2 will not enter in valve rod 3；Pressing nozzle makes valve rod 3 move down, and spring 5 is in compressive state, the ring-type of valve rod 3
Flange 33 is detached with inner seal ring 4, so that the metering hole 32 of valve rod 3 is connected to hydrojet gap, the fluid in valve body 2 is via current limliting
In the fluid ejection chamber 31 of the entrance of hole 32 valve rod 3 and spray.By control metering hole 32 and the hydrojet gap of valve rod 3 whether connection come
It is easy to operate whether controlling outlet；By hermetic bag 6 wrap up raw material, so that raw material and propellant is separated, prevent raw material by
Secondary pollution, while propellant uses nitrogen or compressed air, reduces inflammable and explosive possibility, substantially increases aerosol can
Security performance.
1 bottom surface of valve seat offers the first venthole 11 and the second venthole 12, and 11 area of the first venthole is much larger than the
The area of two ventholes 12, the preferable elastomeric pad of restorability 21 is close under the pressure of air pressure in tank and 1 bottom surface of valve seat, will
First venthole 11 and the second venthole 12 are all closed.Under normal circumstances, according to the product and stress levels of different aerosol cans, meeting
Preset a determining pressure.When air pressure is excessive in tank, elastomeric pad 21 can be shunk to 11 Direction distortion of the first venthole, be made
Expose 12 row pressure of the second venthole；If air pressure drastically increases in tank, when 12 pressure release deficiency of the second venthole, elastomeric pad 21 can be after
Continue and shunk to 11 Direction distortion of the first venthole, makes 11 row pressure of the first venthole of exposing.When air pressure reduces to a certain extent in tank
Afterwards, elastomeric pad 21 restores shape under the effect of elasticity, and the first venthole 11 and the second venthole 12 are closed.Ensure tank with this
Interior air pressure constant is less than preset value, achievees the purpose that automatic pressure-reducing, safety anti-explosive.
Specifically, the top of the valve body 2 is provided with the positioning step for disposing inner seal ring 4, the inner seal ring 4
Bottom surface offer the first seal groove and the second seal groove, be arranged inside and outside first seal groove and the second seal groove, positioning table
First boss 23 corresponding with the first seal groove is provided on rank, and first boss 23 is embedded in the first seal groove, it is cyclic annular convex
The top of edge 33 is provided with second boss 61 corresponding with the second seal groove, and second boss 61 is embedded in the second seal groove.
In this implementation, the first boss 23 and second boss 61 are inclined-plane boss, are embedded by first boss 23
In first seal groove and second boss 61 is embedded in the second seal groove, is constituted the inside and outside double-layer seal of inner seal ring 4, is made
Inner seal ring 4 is fitted tightly over the top of valve body 2 and collar flange 33, can greatly lift-off seal effect.
Specifically, the valve rod 3 is located at the rib 34 that vertical direction is provided on the outer wall of 33 lower section of collar flange, described
Rib 34 is circumferentially evenly spaced on along outer wall.
Using the above scheme, the rib 34 of vertical direction divides hydrojet gap, makes the stream flowed along hydrojet gap in valve body 2
Body is similarly separated, to improve flow velocity of the fluid in fluid ejection chamber 31, is conducive to fluid outflow out of valve body 2.
Specifically, the pilot hole passed through for 3 one end of valve rod is provided on the valve seat 1, the top of the pilot hole is provided with
Flange 13, the flange 13 are crimped on the outer wall of 3 one end of valve rod.
Using the above scheme, due to the setting of flange 13, valve seat 1 and the contact area of 3 one end of valve rod is made to increase, to carry
Stationarity when high valve rod 3 moves, extends the service life of product.
Specifically, first venthole 11 is sector, and second venthole 12 is circle.
Using the above scheme, fan-shaped and circle facilitates processing, and the area of the first venthole 11 is at least the second ventilation
50-100 times of the area in hole 12 is conducive to be vented row pressure.
Specifically, the outer edge of the valve seat 1 is socketed with exterior seal ring 7.
Using the above scheme, exterior seal ring 7 can improve leakproofness of the valve seat 1 mounted on tank mouth when.
Embodiment of above is only that preferred embodiments of the present invention are described, not to the utility model
Range be defined, under the premise of not departing from the spirit of the design of the utility model, this field ordinary engineering and technical personnel to this
The various modifications and improvement that the technical solution of utility model is made should all fall into the guarantor that claims of the utility model determine
It protects in range.
Claims (6)
- The bag valve 1. a kind of Novel Dual is sprayed, including valve seat, hollow valve body, valve rod, inner seal ring, spring, hermetic bag, it is described Valve body is fixed in valve seat, the valve rod run through valve body, the inner seal ring be crimped on valve body top and valve seat it is interior Between wall, and inner seal ring is socketed in one end of valve rod and valve rod composition is slidingly sealed, and one end of valve rod is also interior to be equipped with fluid ejection chamber, Spring is crimped between the other end of valve rod and the inner wall of valve body, it is characterised in that：The valve rod is provided with for being connected to valve rod The hydrojet channel of fluid ejection chamber and valve body, the hydrojet channel include metering hole and hydrojet gap, and the metering hole is opened in valve rod Middle part, one end of metering hole is connected to the fluid ejection chamber of valve rod, and the other end of metering hole is connected to stem exterior, between the hydrojet Gap is surrounded jointly by the inner wall of valve body and the outer wall of valve rod, and valve rod, which is located at below metering hole, is provided with collar flange, and cyclic annular The accessible sealing in the top of flange and the bottom end of inner seal ring；The bottom surface of the valve seat radially offers the first venthole and the second venthole, and the first ventilation successively by center The area in hole is more than the area of the second venthole, and elastomeric pad, and the top surface of elastomeric pad and valve seat are arranged on the valve body Bottom surface fitting covers the first venthole and the second venthole；The hermetic bag and the bottom end seal of valve body connect, and are connected to valve inner inside hermetic bag.
- The bag valve 2. a kind of Novel Dual according to claim 1 is sprayed, it is characterised in that：The top of the valve body is provided with The bottom surface of positioning step for disposing inner seal ring, the inner seal ring offers the first seal groove and the second seal groove, institute It states and is arranged inside and outside the first seal groove and the second seal groove, first boss corresponding with the first seal groove is provided on positioning step, And first boss is embedded in the first seal groove, the top of collar flange is provided with second boss corresponding with the second seal groove, And second boss is embedded in the second seal groove.
- The bag valve 3. a kind of Novel Dual according to claim 1 is sprayed, it is characterised in that：The valve rod is located at collar flange The rib of vertical direction is provided on the outer wall of lower section, the rib is circumferentially evenly spaced on along outer wall.
- The bag valve 4. a kind of Novel Dual according to claim 1 is sprayed, it is characterised in that：It is provided with for valve on the valve seat The top of the pilot hole that bar one end passes through, the pilot hole is provided with flange, and the flange is crimped on the outer wall of valve rod one end.
- The bag valve 5. a kind of Novel Dual according to claim 1 is sprayed, it is characterised in that：First venthole is fan Shape, second venthole are circle.
- The bag valve 6. a kind of Novel Dual according to claim 1 is sprayed, it is characterised in that：The outer edge of the valve seat is socketed There is exterior seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721924181.2U CN207673903U (en) | 2017-12-28 | 2017-12-28 | A kind of Novel Dual spraying bag valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721924181.2U CN207673903U (en) | 2017-12-28 | 2017-12-28 | A kind of Novel Dual spraying bag valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207673903U true CN207673903U (en) | 2018-07-31 |
Family
ID=62972042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721924181.2U Active CN207673903U (en) | 2017-12-28 | 2017-12-28 | A kind of Novel Dual spraying bag valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207673903U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109225711A (en) * | 2018-09-25 | 2019-01-18 | 徐龙 | A kind of spray valve and its packaging method |
| CN109466874A (en) * | 2018-12-05 | 2019-03-15 | 上海升村包装材料有限公司 | A kind of spray bottle cap |
-
2017
- 2017-12-28 CN CN201721924181.2U patent/CN207673903U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109225711A (en) * | 2018-09-25 | 2019-01-18 | 徐龙 | A kind of spray valve and its packaging method |
| CN109466874A (en) * | 2018-12-05 | 2019-03-15 | 上海升村包装材料有限公司 | A kind of spray bottle cap |
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| GR01 | Patent grant |