CN103047453A - Air valve - Google Patents
Air valve Download PDFInfo
- Publication number
- CN103047453A CN103047453A CN2012105455377A CN201210545537A CN103047453A CN 103047453 A CN103047453 A CN 103047453A CN 2012105455377 A CN2012105455377 A CN 2012105455377A CN 201210545537 A CN201210545537 A CN 201210545537A CN 103047453 A CN103047453 A CN 103047453A
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- China
- Prior art keywords
- hole
- loam cake
- circular
- packing ring
- air valve
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- 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.)
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Abstract
The invention relates to an air valve. An upper cover (4) is circular, a through hole is arranged at the center of the upper cover (4), the upper end of the through hole is close to the upper surface of the upper cover (4) and is provided with a coaxial circular hole, the diameter of the circular hole is larger than that of the through hole, the circular hole and the through hole form a step (3), a circular upper cover exhaust cover (1) is mounted in the step (3), an exhaust hole (2) is arranged on the upper cover exhaust cover (1), the lower end of the through hole of the upper cover (4) is fixedly connected with a mounting table (9) on a base (8), the mounting table (9) is a circular pipe projecting over the upper surface of the base (8), a circular platform projecting towards the center is arranged at the lower end of the circular pipe, an air seal gasket (5) is mounted on the circular platform, the outer diameter of the air seal gasket (5) is larger than the inner diameter of the circular pipe, and a gasket raised head (6) is arranged on the lower portion of the air seal gasket (5) and mounted on a bottom boss (11) below the base (8). The air valve is simple in structure and can be automatically locked by the aid of air pressure difference, and air tightness is improved.
Description
Technical field
The invention belongs to sealing air valve field, particularly relate to a kind of air valve.
Background technique
The sealing air valve is responsible for suction and the discharge of gas, traditional air valve is comprised of valve seat, valve block, spring, lift limiter etc., also some air valve is not use spring and adopt manual rotation one device to carry out the locked of valve body, two kinds of above-mentioned structures, more complicated, can't reach the function that is automatically locked, thereby need the sealing air valve of a kind of new structure of design.
Summary of the invention
Technical problem to be solved by this invention provides a kind of air valve, with simplified structure, reduces production costs, and realizes simultaneously being automatically locked.
The technical solution adopted for the present invention to solve the technical problems is: a kind of air valve is provided, comprise the loam cake air extraction hood, bleeder hole, step, loam cake, the hermetic seal packing ring, the packing ring plush copper, retaining thread, base, mounting platform, stiffening rib, bottom boss, described loam cake are circular, there is a through hole at the center of loam cake, there is a coaxial circular hole through hole upper end near the loam cake upper surface, and Circularhole diameter is greater than through hole, circular hole and through hole formation step, the loam cake air extraction hood is installed in the step, the loam cake air extraction hood for circular and on have bleeder hole, there is an O RunddichtringO through hole lower end of loam cake, O RunddichtringO and the installation of the mounting platform interference fit above the base, mounting platform is the pipe above the protrusion base, there is a circular platform inboard, pipe lower end, and the hermetic seal packing ring is installed on the circular platform, and the external diameter of hermetic seal packing ring is greater than round tube inside diameter, the bottom of hermetic seal packing ring is followed successively by neck and packing ring plush copper, and the packing ring plush copper is installed on the bottom boss below the base.
Described step and loam cake air extraction hood interference fit.
Be evenly distributed with bleeder hole on the described loam cake air extraction hood, described bleeder hole forms a circular pattern.
Be evenly distributed with bleeder hole on the described loam cake air extraction hood, described bleeder hole forms a design.
Be evenly distributed with bleeder hole on the described loam cake air extraction hood, described bleeder hole forms a triangle pattern.
Described O RunddichtringO internal diameter is less than the mounting platform external diameter.
Be distributed with retaining thread on the outer wall of described mounting platform, loam cake is fixed with mounting platform by retaining thread and is connected.
Described packing ring plush copper is spherical shape, and the packing ring plush copper is installed on the endoporus of the bottom boss below the base, and the length before neck does not elongate is less than the distance of circular platform to boss plane, bottom.
Disperse on the outer wall of the bottom boss below the described base and be furnished with some stiffening ribs.
Beneficial effect
The present invention is simple in structure, can utilize the pulling force of the neck of draught head and hermetic seal packing ring to realize auto lock, improves tightness.
Description of drawings
Fig. 1 is structural drawing one of the present invention.
Fig. 2 is structural drawing two of the present invention.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiments only to be used for explanation the present invention and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Embodiment 1
Such as Fig. 1~shown in Figure 2, a kind of air valve comprises loam cake air extraction hood 1, bleeder hole 2, step 3, loam cake 4, hermetic seal packing ring 5, packing ring plush copper 6, retaining thread 7, base 8, mounting platform 9, stiffening rib 10, bottom boss 11, O RunddichtringO 12, described loam cake 4 are circular, there is a through hole at the center of loam cake 4, there is a coaxial circular hole through hole upper end near loam cake 4 upper surfaces, and Circularhole diameter is greater than through hole, circular hole and through hole formation step 3, loam cake air extraction hood 1 is installed in the step 3, loam cake air extraction hood 1 for circular and on have bleeder hole 2, there is an O RunddichtringO 12 the through hole lower end of loam cake 4, O RunddichtringO 12 is installed with mounting platform 9 interference fit above the base 8, mounting platform 9 is the pipe above the protrusion base 8, there is a circular platform inboard, pipe lower end, and hermetic seal packing ring 5 is installed on the circular platform, and the external diameter of hermetic seal packing ring 5 is greater than round tube inside diameter, the bottom of hermetic seal packing ring 5 is followed successively by neck and packing ring plush copper 6, and packing ring plush copper 6 is installed on the bottom boss 11 below the base 8.
Be evenly distributed with bleeder hole 2 on the loam cake air extraction hood 1, described bleeder hole 2 forms a circular pattern.
Be evenly distributed with bleeder hole 2 on the loam cake air extraction hood 1, described bleeder hole 2 forms a design.
Be evenly distributed with bleeder hole 2 on the loam cake air extraction hood 1, described bleeder hole 2 forms a triangle pattern.
O RunddichtringO 12 internal diameters are less than mounting platform 9 external diameters.
Be distributed with retaining thread 7 on the outer wall of mounting platform 9, loam cake 4 is fixed with mounting platform 9 by retaining thread 7 and is connected.
Packing ring plush copper 6 is spherical shape, and packing ring plush copper 6 is installed on the endoporus of the bottom boss 11 below the base 8, and the length of neck is less than the distance of circular platform to bottom boss 11 planes.
Disperse on the outer wall of the bottom boss 11 below the base 8 and be furnished with some stiffening ribs 10.
At first hermetic seal packing ring 5 is installed in the base 8, then base 8 is embedded on the vacuum bag, connect through hot melt, again loam cake air extraction hood 1 and loam cake 4 are compressed, then loam cake 4 is pressed on the base 8, the extraction pump inlet hole is aimed at loam cake air extraction hood 1, pin extraction pump to vacuum bag air exhaust, the interior hermetic seal packing ring 5 of air valve this moment is pulled upwardly, hermetic seal packing ring 5 forms the gap with base 8, thereby gas is discharged from hermetic seal packing ring 5 peripheries, and when extraction pump stopped to bleed, hermetic seal packing ring 5 was pulled under the effect of its neck pulling force, seal air outlet hole, utilize negative pressure simultaneously so that hermetic seal packing ring 5 outer rims seal the inwall of mounting platform 9 inflexibly, form multiple-sealedly, reach preferably sealing effect.
Claims (9)
1. air valve, comprise loam cake air extraction hood (1), loam cake (4), hermetic seal packing ring (5), base (8), mounting platform (9), it is characterized in that: described loam cake (4) is for circular, there is a through hole at the center of loam cake (4), there is a coaxial circular hole through hole upper end near loam cake (4) upper surface, and Circularhole diameter is greater than through hole, circular hole and through hole form step (3), loam cake air extraction hood (1) is installed in the step (3), loam cake air extraction hood (1) for circular and on have bleeder hole (2), there is an O RunddichtringO (12) the through hole lower end of loam cake (4), O RunddichtringO (12) is installed with mounting platform (9) interference fit above the base (8), mounting platform (9) is the pipe above the protrusion base (8), there is a circular platform inboard, pipe lower end, hermetic seal packing ring (5) is installed on the circular platform, the external diameter of hermetic seal packing ring (5) is greater than round tube inside diameter, the bottom of hermetic seal packing ring (5) is followed successively by neck and packing ring plush copper (6), and packing ring plush copper (6) is installed on the following bottom boss (11) of base (8).
2. a kind of air valve according to claim 1 is characterized in that: described step (3) and loam cake air extraction hood (1) interference fit.
3. a kind of air valve according to claim 1 is characterized in that: be evenly distributed with bleeder hole (2) on the described loam cake air extraction hood (1), described bleeder hole (2) formation one circular pattern.
4. a kind of air valve according to claim 1 is characterized in that: be evenly distributed with bleeder hole (2) on the described loam cake air extraction hood (1), described bleeder hole (2) formation one design.
5. a kind of air valve according to claim 1 is characterized in that: be evenly distributed with bleeder hole (2) on the described loam cake air extraction hood (1), described bleeder hole (2) formation one triangle pattern.
6. a kind of air valve according to claim 1, it is characterized in that: described O RunddichtringO (12) internal diameter is less than mounting platform (9) external diameter.
7. a kind of air valve according to claim 1, it is characterized in that: be distributed with retaining thread (7) on the outer wall of described mounting platform (9), loam cake (4) is fixed with mounting platform (9) by retaining thread (7) and is connected.
8. a kind of air valve according to claim 1, it is characterized in that: described packing ring plush copper (6) is spherical shape, and packing ring plush copper (6) is installed on the endoporus of the bottom boss (11) below the base (8).
9. a kind of air valve according to claim 1 is characterized in that: disperse on the outer wall of the bottom boss (11) below the described base (8) and be furnished with some stiffening ribs (10).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012105455377A CN103047453A (en) | 2012-12-14 | 2012-12-14 | Air valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012105455377A CN103047453A (en) | 2012-12-14 | 2012-12-14 | Air valve |
Publications (1)
Publication Number | Publication Date |
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CN103047453A true CN103047453A (en) | 2013-04-17 |
Family
ID=48060211
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2012105455377A Pending CN103047453A (en) | 2012-12-14 | 2012-12-14 | Air valve |
Country Status (1)
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CN (1) | CN103047453A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110371458A (en) * | 2019-07-23 | 2019-10-25 | 慈溪市美德工贸有限公司 | A kind of vacuum bag suspension push type air valve |
CN115285522A (en) * | 2022-08-05 | 2022-11-04 | 广东太力科技集团股份有限公司 | Air valve |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2924066Y (en) * | 2006-05-18 | 2007-07-18 | 石正兵 | Two-tube air-extraction device of vacuum bag |
CN201547334U (en) * | 2009-10-19 | 2010-08-11 | 丘玉辉 | One-way vacuum bleeder valve structure |
CN201761731U (en) * | 2010-08-31 | 2011-03-16 | 景浩国际实业股份有限公司 | Exhaust valve of containing bag |
CN202244677U (en) * | 2011-08-22 | 2012-05-30 | 管建华 | Air exhaust sealing valve for vacuum compression bag |
CN203009933U (en) * | 2012-12-14 | 2013-06-19 | 慈溪市美德工贸有限公司 | Air valve |
-
2012
- 2012-12-14 CN CN2012105455377A patent/CN103047453A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2924066Y (en) * | 2006-05-18 | 2007-07-18 | 石正兵 | Two-tube air-extraction device of vacuum bag |
CN201547334U (en) * | 2009-10-19 | 2010-08-11 | 丘玉辉 | One-way vacuum bleeder valve structure |
CN201761731U (en) * | 2010-08-31 | 2011-03-16 | 景浩国际实业股份有限公司 | Exhaust valve of containing bag |
CN202244677U (en) * | 2011-08-22 | 2012-05-30 | 管建华 | Air exhaust sealing valve for vacuum compression bag |
CN203009933U (en) * | 2012-12-14 | 2013-06-19 | 慈溪市美德工贸有限公司 | Air valve |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110371458A (en) * | 2019-07-23 | 2019-10-25 | 慈溪市美德工贸有限公司 | A kind of vacuum bag suspension push type air valve |
CN115285522A (en) * | 2022-08-05 | 2022-11-04 | 广东太力科技集团股份有限公司 | Air valve |
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Application publication date: 20130417 |