CN112718301A - Quantitative aerial fog valve with ultra-large spraying amount - Google Patents
Quantitative aerial fog valve with ultra-large spraying amount Download PDFInfo
- Publication number
- CN112718301A CN112718301A CN202011548781.XA CN202011548781A CN112718301A CN 112718301 A CN112718301 A CN 112718301A CN 202011548781 A CN202011548781 A CN 202011548781A CN 112718301 A CN112718301 A CN 112718301A
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- CN
- China
- Prior art keywords
- valve chamber
- valve
- valve rod
- gasket
- channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005507 spraying Methods 0.000 title abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 239000000443 aerosol Substances 0.000 claims description 17
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 7
- 230000000630 rising effect Effects 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 239000007921 spray Substances 0.000 description 5
- 239000003380 propellant Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/06—Gas or vapour producing the flow, e.g. from a compressible bulb or air pump
Landscapes
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
Abstract
The invention discloses a quantitative aerial fog valve with super large spraying amount, which comprises a press head, a nozzle, a sealing cup, an inner gasket, a valve rod, a spring and a valve chamber, wherein the upper end of the valve chamber is fixed on the inner side of a fixing cap of the sealing cup, an air inlet channel is arranged between the fixing cap and an upper port of the valve chamber, the inner gasket is sleeved on the outer side of the valve rod and is fixed between the upper port of the valve chamber and the fixing cap to seal the upper port of the valve chamber, the valve chamber is of a hollow cylindrical structure with a closed lower end, a column platform which protrudes upwards from the bottom to the middle position is arranged in the valve chamber, an inner channel is arranged in the column platform, a suction pipe is inserted in the lower part of the inner channel, an inner port communicated with an inner cavity of the valve chamber is arranged at the top of the inner channel, an annular thin sheet is arranged on the edge of the inner port, the lower end of the valve rod, and the inlet positioned above the inner gasket is arranged, so that the ultra-large spraying amount is realized under the condition that the volume change is not large.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to a quantitative aerial fog valve with ultra-large spraying quantity.
[ background of the invention ]
The aerosol valve is characterized in that the medicine, emulsion or suspension and a proper propellant are packaged together in a pressure-resistant container with a special valve, and the content is sprayed out in an aerosol shape by the pressure of the propellant when the aerosol valve is used. The prior gas spray valve is difficult to realize fixed quantity, and even the fixed quantity is fixed quantity of small spray quantity, wherein the small spray quantity refers to the relative comparative condition of the gas spray valve with small volume change.
The present invention has been made based on such a situation.
[ summary of the invention ]
The invention aims to overcome the defects of the prior art and provide the quantitative aerosol valve with the ultra-large spraying amount, which has the characteristics of simple structure and ultra-large spraying amount under the condition of small volume change.
The invention is realized by the following technical scheme:
a quantitative aerial fog valve with super large spraying amount comprises a press head, a sealing cup, an inner gasket, a valve rod, a spring and a valve chamber, wherein a fixing cap is arranged in the middle of the sealing cup, the upper end of the valve chamber is fixed on the inner side of the fixing cap, an air inlet channel for allowing air outside the valve chamber to enter the valve chamber through an upper end opening of the valve chamber is arranged between the fixing cap and the valve chamber, the valve rod is positioned in the valve chamber, the upper end of the valve rod penetrates through the fixing cap to be connected with the press head, a nozzle is arranged on the press head, the inner gasket is sleeved on the outer side of the valve rod and fixed between the upper end opening of the valve chamber and the fixing cap to seal the upper end opening of the valve chamber, the valve chamber is of a hollow cylindrical structure with a closed lower end, a column table protruding upwards from the bottom to the middle position is arranged inside the valve chamber, an inner channel is arranged in the, the edge of the inner opening is provided with an annular thin sheet extending into the inner channel, the lower end of the valve rod penetrates through the inner opening to be inserted into the inner channel, the lower end of the valve rod is provided with a slope face which is in interference fit with the annular thin sheet to realize sealing, the inner wall of the valve chamber and the column base are arranged at intervals, a reinforcing rib for connecting the valve rod and the column base is arranged between the inner wall of the valve chamber and the column base, the valve rod is of a hollow structure with an upper end opened and a lower end closed, and an inlet positioned above the inner gasket is arranged on the.
According to the quantitative aerosol valve with the ultra-large spraying amount, the spring is sleeved on the outer side of the valve rod, the lower end of the spring is pressed on the column base, the outer side of the valve rod is provided with the convex ring for pressing the upper end of the spring, and the convex ring is located below the inner gasket and prevents the valve rod from going upwards.
According to the quantitative aerial fog valve with the ultra-large spraying amount, the upper end of the valve chamber is provided with the clamping portion which protrudes outwards and is clamped with the inside of the fixing cap, the clamping portion is provided with the groove which is concave downwards, the inner gasket is arranged on the groove, the bottom of the groove is provided with the annular sealing boss which protrudes in the groove and surrounds the port on the valve chamber, the clamping portion is provided with the plurality of through grooves which are communicated up and down at intervals along the circumferential direction, the side surface of the groove is communicated with the through grooves to form the air inlet channel, the inner gasket is pressed on the sealing boss to close the air inlet channel, the inner gasket forms a channel which is communicated with the through grooves and the port on the valve chamber when being compressed under high pressure, and the air inlet channel is opened to allow air to enter the valve chamber.
According to the ultra-large-spraying-quantity quantitative aerosol valve, the outer side of the section of the sealing boss is of a gradually-changing arc structure gradually rising from outside to inside, and the inner side of the section of the sealing boss is of an inverted arc structure.
According to the super-large-spraying-quantity quantitative aerosol valve, the reinforcing rib extends to be flush with the bottom of the groove to serve as a support of the inner gasket, and the width of the upper part of the reinforcing rib above the column base is reduced.
The quantitative aerial fog valve with the ultra-large spraying amount is characterized in that an outer gasket is arranged on one side of the sealing cup.
Compared with the prior art, the invention has the following advantages:
1. the invention can improve the ejection quantity to a greater extent and realize the ultra-large quantitative ejection under the condition of ensuring that the appearance volume does not change much, and the interference sealing structure of the annular sheet ensures that the pressing and the rebounding are smoother and more stable, and the sealing is safer and more stable.
2. The gradual change type arc-shaped sealing lug boss ensures that the gas filling speed is faster, and the filling productivity is greatly improved.
[ description of the drawings ]
The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings, in which:
FIG. 1 is a cross-sectional view of a metered dose ultra-high volume aerosol valve of the present invention;
FIG. 2 is a schematic view of the construction of the valve chamber;
FIG. 3 is a sectional view of the valve chamber;
figure 4 is a schematic view of an embodiment of a metered dose super high capacity aerosol valve of the present invention mounted on a pressurized can.
[ detailed description ] embodiments
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1 to 3, the aerosol valve with a large spraying quantity and a fixed quantity comprises a press head 1, a sealing cup 2, an inner gasket 3, a valve rod 4, a spring 5 and a valve chamber 6, wherein a fixed cap 21 is arranged in the middle of the sealing cup 2, the upper end of the valve chamber 6 is fixed on the inner side of the fixed cap 21, an air inlet channel for allowing air outside the valve chamber to enter the valve chamber 6 through the upper end port of the valve chamber 6 is arranged between the fixed cap 21 and the valve chamber 6, the valve rod 4 is positioned in the valve chamber 6, the upper end of the valve rod passes through the fixed cap 21 to be connected with the press head 1, a nozzle 7 is arranged on the press head 1, the inner gasket 3 is sleeved on the outer side of the valve rod 4 and fixed between the upper end port of the valve chamber 6 and the fixed cap 21 to seal the upper end port of the valve chamber 6, the valve chamber 6 is of a hollow cylindrical structure with a closed lower end, the lower part of the inner channel 62 is inserted with the straw 8, the design of the structure of the valve chamber 6 and the column base 61 with the column structure can greatly increase the volume of the inner cavity of the valve chamber 6 under the condition that the volume of the quantitative aerosol valve does not change greatly, the top of the column base 61 is provided with an inner opening 63 communicating the inner channel 62 and the inner cavity of the valve chamber 6, the edge of the inner opening 63 is provided with an annular thin sheet 64 extending into the inner channel 62, the lower end of the valve rod 4 passes through the inner opening 63 to be inserted into the inner channel 62, the lower end of the valve rod 4 is provided with a slope surface which is in interference fit with the annular thin sheet 64 to realize sealing, the inner wall of the valve chamber 6 and the column base 61 are arranged at intervals, a reinforcing rib 65 connecting the two is arranged between the inner opening and the inner opening, the lower end of the valve rod 4 is of a closed structure, and the side surface.
An outer gasket 9 is provided on one side of the closure cup 2 to be sealingly connected to the canister containing the contents, as shown in fig. 4, which is a schematic view of the metered dose aerosol valve mounted on a pressure canister.
The spring 5 is sleeved on the outer side of the valve rod 4, the lower end of the spring is pressed on the column base 61, the outer side of the valve rod 4 is provided with a convex ring 42 for pressing the upper end of the spring 5, the convex ring 42 is located below the inner gasket 3 and prevents the valve rod 4 from upwards extending 68, and the valve rod structure is simple in structure and convenient to assemble.
The upper end of the valve chamber 6 is provided with a clamping part 66 which protrudes outwards and is clamped with the inside of the fixing cap 21, the clamping part 66 is provided with a groove 67 which is concave downwards, the inner gasket 3 is arranged on the groove 67, the bottom of said groove 67 is provided with an annular sealing boss 68 projecting in the groove 67 and surrounding the port in the valve chamber 6, a plurality of through grooves 69 which are communicated up and down are arranged on the clamping part 66 at intervals along the circumferential direction, the side surface of the groove 67 is communicated and connected with the through grooves 69 to form an air inlet channel, the inner gasket 3 is pressed on the sealing boss 68 to close the air inlet channel, when the air pressure in the valve chamber 6 becomes low to a certain degree and a certain pressure difference exists between the inside and the outside of the valve chamber 6, the inner gasket 3 forms a passage for communicating the through groove 69 with the upper port of the valve chamber 6 between the seal boss 68 and the inner gasket 3 when compressed under high pressure, and opens the air inlet passage to supply air into the valve chamber 6.
The outer side of the section of the sealing boss 68 is of a gradually changing arc structure which gradually rises from outside to inside, the inner side of the section is of an inverted arc structure, and the gradually changing arc sealing boss enables the gas filling speed to be faster, so that the filling capacity is greatly improved.
The reinforcing rib 65 extends to be flush with the bottom of the groove 67, so that the inner gasket 3 is prevented from being deformed and falling into the valve chamber 6, the width of the upper part of the inner gasket above the column base 61 is reduced to be used as a support of the inner gasket 3, the volume of the inner cavity of the valve chamber 6 can be increased as much as possible, and the quantitative spraying amount is increased.
When the valve rod 4 moves downwards, the annular sheet 64 is always in interference fit with the valve rod 4 in the pressing process, the inner opening 63 is always in a sealing state, and when the inlet 41 moves below the inner gasket 3, the contents in the valve chamber 6, including high-pressure gas, solution and the like enter the valve rod 4 from the inlet 41 and spray gas mist from the nozzle 7; when the valve rod 4 is bounced after the pressing is released, because the high-pressure content in the valve chamber 6 is sprayed, the interior of the valve chamber 6 is in a low-pressure state, the bottle can outside the valve chamber 6 is in a high-pressure state, the inner gasket 3 is compressed under high pressure to form a channel so that the gas in the can enters the valve chamber 6, meanwhile, the valve rod 4 receives the pressure of the solution in the inner channel 62, the slope surface of the lower end of the valve rod 4 is jacked away from the annular sheet 64 to form a gap so that the solution can enter the valve chamber 6, and the pressure in the valve chamber 6 and the outside reach.
The invention can improve the spraying amount to a greater extent under the condition of ensuring that the change of the appearance volume is not large, and the interference sealing structure of the annular sheet 64 ensures that the pressing and rebounding are smoother and more stable, and the sealing is safer and more stable.
Claims (6)
1. The utility model provides a super large injection quantity ration aerial fog valve which characterized in that: the valve comprises a press head (1), a sealing cup (2), an inner gasket (3), a valve rod (4), a spring (5) and a valve chamber (6), wherein a fixing cap (21) is arranged in the middle of the sealing cup (2), the upper end of the valve chamber (6) is fixed on the inner side of the fixing cap (21), an air inlet channel for allowing air outside the valve chamber to enter the valve chamber (6) through an upper end opening of the valve chamber (6) is arranged between the fixing cap (21) and the valve chamber (6), the valve rod (4) is positioned in the valve chamber (6), the upper end of the valve rod penetrates through the fixing cap (21) to be connected with the press head (1), a nozzle (7) is arranged on the press head (1), the inner gasket (3) is sleeved on the outer side of the valve rod (4) and fixed between the upper end opening of the valve chamber (6) and the fixing cap (21) to seal the upper end opening of the valve chamber (6), the valve chamber (6) is of a hollow cylindrical structure with a closed lower end, and, an inner channel (62) is arranged in the column base (61), a suction pipe (8) is inserted at the lower part of the inner channel (62), the top of the column platform (61) is provided with an inner opening (63) for communicating the inner channel (62) and the inner cavity of the valve chamber (6), the edge of the inner opening (63) is provided with an annular thin sheet (64) extending into the inner channel (62), the lower end of the valve rod (4) is inserted into the inner channel (62) through the inner opening (63), and the lower end of the valve rod (4) is provided with a slope surface which is in interference fit with the annular sheet (64) to realize sealing, the inner wall of the valve chamber (6) and the column base (61) are arranged at intervals, a reinforcing rib (65) connecting the two is arranged between the two, the valve rod (4) is a hollow structure with an opening at the upper end and a closed lower end, and an inlet (41) positioned above the inner gasket (3) is arranged on the side surface of the valve rod (4).
2. The ultra-large-volume quantitative aerosol valve according to claim 1, wherein: the spring (5) is sleeved on the outer side of the valve rod (4) and the lower end of the spring is pressed against the column base (61), a convex ring (42) for pressing the upper end of the spring (5) is arranged on the outer side of the valve rod (4), and the convex ring (42) is located below the inner gasket (3) and prevents the valve rod (4) from upwards moving by 68 degrees.
3. The ultra-large-volume quantitative aerosol valve according to claim 1, wherein: the upper end of the valve chamber (6) is provided with a clamping part (66) which protrudes outwards and is clamped with the inside of the fixing cap (21), the clamping part (66) is provided with a groove (67) which is concave downwards, the inner gasket (3) is arranged on the groove (67), the bottom of the groove (67) is provided with an annular sealing boss (68) which protrudes in the groove (67) and surrounds the upper port of the valve chamber (6), the clamping part (66) is provided with a plurality of through grooves (69) which are communicated up and down at intervals along the circumferential direction, the side surface of the groove (67) is communicated with the through grooves (69) to form an air inlet channel, the inner gasket (3) is pressed on the sealing boss (68) to close the air inlet channel, and a channel for communicating the through grooves (69) with the upper port of the valve chamber (6) is formed between the sealing boss (68) and the inner gasket (3) when the inner gasket (3) is compressed under high pressure, the gas inlet passage is opened to allow gas to enter the valve chamber (6).
4. The ultra-large-volume quantitative aerosol valve according to claim 3, wherein: the outer side of the section of the sealing boss (68) is of a gradually-changing arc structure gradually rising from outside to inside, and the inner side of the section is of an inverted arc structure.
5. The ultra-large-volume quantitative aerosol valve according to claim 3, wherein: the reinforcing ribs (65) extend to be flush with the bottom of the grooves (67) to serve as supports of the inner gasket (3), and the width of the upper parts of the reinforcing ribs above the column bases (61) is reduced.
6. The ultra-large-volume quantitative aerosol valve according to claim 1, wherein: an outer gasket (9) is arranged on one side of the sealing cup (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011548781.XA CN112718301A (en) | 2020-12-24 | 2020-12-24 | Quantitative aerial fog valve with ultra-large spraying amount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011548781.XA CN112718301A (en) | 2020-12-24 | 2020-12-24 | Quantitative aerial fog valve with ultra-large spraying amount |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112718301A true CN112718301A (en) | 2021-04-30 |
Family
ID=75605292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011548781.XA Pending CN112718301A (en) | 2020-12-24 | 2020-12-24 | Quantitative aerial fog valve with ultra-large spraying amount |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112718301A (en) |
-
2020
- 2020-12-24 CN CN202011548781.XA patent/CN112718301A/en active Pending
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: No.21 Jiankang Road, Torch Development Zone, Zhongshan City, Guangdong Province 528437 Applicant after: Guangdong Meijieshi Holdings Co.,Ltd. Address before: No.21 Jiankang Road, Torch Development Zone, Zhongshan City, Guangdong Province 528437 Applicant before: MAJESTY PACKAGING SYSTEMS Ltd. |