CN202371239U - Pressure-limiting exhaust valve - Google Patents
Pressure-limiting exhaust valve Download PDFInfo
- Publication number
- CN202371239U CN202371239U CN2011205408254U CN201120540825U CN202371239U CN 202371239 U CN202371239 U CN 202371239U CN 2011205408254 U CN2011205408254 U CN 2011205408254U CN 201120540825 U CN201120540825 U CN 201120540825U CN 202371239 U CN202371239 U CN 202371239U
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- China
- Prior art keywords
- valve
- pressure
- spring
- valve seat
- pressure limiting
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- Expired - Fee Related
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Abstract
The utility model relates to a pressure-limiting exhaust valve, which comprises a compression spring, a valve flap, a valve seat and a bonnet. The bonnet is connected with the valve seat in a threaded manner and a cavity is formed by the valve seat and the bonnet. The valve seat comprises a bottom plate and a circular wall arranged on the bottom plate, an opening and a limit groove which are coaxial are arranged on the bottom plate sequentially, the diameter of the limit groove and the diameter of the valve flap are larger than that of the opening, and the valve flap is disposed in the limit groove. One end of the spring is connected to the upper surface of the valve flap, and the bonnet is provided with exhaust holes. The pressure-limiting exhaust valve is simple and compact in structure, easy to realize pressure regulation, small in size, convenient to mount and reliable in operation.
Description
Technical field
The utility model relates to a kind of valve, relates in particular to a kind of pressure limiting outlet valve.
Background technique
At present; Existing outlet valve comprises valve body; And being fixed on valve plate and the spring in the valve body, its working principle is: after the air bag air pressure inside surpassed the ultimate pressure of outlet valve, valve plate was opened because of pressure spring; Excessive gas is discharged between the slit of opening, and intracapsular pressure is reduced; When the air bag air pressure inside was lower than the ultimate pressure of outlet valve, valve plate can be closed by spring compression, and exhaust stops.Because valve plate and spring are fixed in the valve body, open and close pressure and be difficult to regulate, complex structure, and size is bigger, be difficult to little in size requirement and air bag that exhaust pressure is adjustable on use.Therefore, we press for a kind of simple in structure, can be applicable to the pressure limiting outlet valve that requires on little and the air bag that exhaust pressure is adjustable.
The model utility content
The utility model technical problem to be solved provides a kind of simple in structure, easy to use, can be applicable to the pressure limiting outlet valve that requires on little and the air bag that exhaust pressure is adjustable.
The technological scheme that the utility model adopted is: a kind of pressure limiting outlet valve, comprise pressure spring, valve plate, and described pressure limiting outlet valve also comprises valve seat, and the valve gap that is threaded with valve seat, valve seat and valve gap form cavity; Described valve seat comprises base plate and is positioned at the ring wall on the base plate that be provided with coaxial opening and restraining groove on the described base plate successively, the diameter of restraining groove is greater than the diameter of opening; The diameter of described valve plate is greater than the diameter of opening, and places restraining groove; One end of described spring is connected with the upper surface of valve plate; Described valve gap is provided with exhaust port.
Press such scheme, the upper surface of described valve plate is provided with projection, and described valve gap is provided with the positive stop lug boss suitable with projection, the cavity that the end of projection places positive stop lug boss to form.
Press such scheme, described positive stop lug boss is the vertical rod that ring-type is provided with.
Press such scheme, described positive stop lug boss is a ring wall.
Press such scheme, the upper surface of described valve plate is provided with spring guide, and pressure spring is enclosed within on the spring guide.
Valve seat and valve gap adopted be threaded, dismantle and install very convenient, simple for structure, reliable operation; Elastic force after the pressure spring assembling requires to design according to the air bag pressure limiting confirms that pressure spring can be controlled air pressure because of elastic force is different, and pressure spring is easy to change, and makes the pressure limiting outlet valve be easy to pressure regulation; Valve gap is provided with positive stop lug boss, and valve seat is provided with projection, and the existing limit function of projection and positive stop lug boss has guide function again, makes the spring motion stabilization, and the valve plate open and close accurately, reliably; Exhaust port quantity on the valve gap and size and valve plate aperture, actual internal area are complementary, and keep best exhaust work efficient.
The utility model is not only simple and compact for structure, and pressure is easy to regulate, and size is less, is convenient to reliable operation is installed.
Description of drawings
Fig. 1 is an embodiment's of the utility model a perspective view.
Fig. 2 is the A-A sectional view of Fig. 1.
Embodiment
Further specify the embodiment of the utility model below in conjunction with accompanying drawing.
Referring to Fig. 1, Fig. 2, a kind of pressure limiting outlet valve comprises valve seat 1, and the valve gap 2 that is threaded with valve seat 1, and valve seat 1 forms cavity 10 with valve gap 2; Described valve seat 1 comprises base plate 1-1 and is positioned at the ring wall 1-2 on the base plate 1-1, is provided with coaxial opening 6 and restraining groove 7 on the described base plate 1-1 successively, and the diameter of restraining groove 7 is greater than the diameter of opening 6; Be provided with the valve plate 3 of diameter in the described restraining groove 7 greater than opening 6 diameters; The upper surface of described valve plate 3 is provided with spring guide 11, and pressure spring 4 is enclosed within on the spring guide 11; The upper surface of described valve plate 3 is provided with projection 8, and described valve gap 2 is provided with the positive stop lug boss 9 suitable with projection 8, the cavity that the end of projection 9 places positive stop lug boss 9 to form; Described valve gap 2 is provided with the exhaust port 5 of some, and the quantity of exhaust port 5 and size and valve plate 3 apertures, actual internal area are complementary, and keep best exhaust work efficient, plays a part fixing, guiding and exhaust.
Above-described positive stop lug boss 9 can also can be ring wall for the vertical rod of ring-type setting, plays spacing, guide function; The elastic force of pressure spring 4 requires to design according to the air bag pressure limiting to be confirmed, can change according to actual needs, can regulate the pressure in the air bag easily; The opening and closing of valve plate 3 can be carried out exhaust and pressurize.
During installation, valve seat 1 is passed from the hole that air bag matees, be placed on valve plate 3 in the restraining groove 7 on the valve seat 1 then, pressure spring 4 is enclosed within on the spring guide 11 on valve plate 3 upper surfaces, be screwed in valve gap 2 on the valve seat 1.The unlatching of valve plate 3 or close pressure difference decision by the pressure spring elastic force of both sides and air bag internal air pressure, when air bag internal air pressure during greater than the elastic force of pressure spring 4, valve plate 3 is open, and the pressure limiting outlet valve begins exhaust; Otherwise 3 of valve plates are closed, and the pressure limiting outlet valve stops exhaust.Valve gap 2 is provided with positive stop lug boss 9, and valve seat 1 is provided with projection 8, and projection 8 makes pressure spring 4 motion stabilizations with positive stop lug boss 9, and valve plate 3 open and close accurately and reliably; Valve seat 1 is threaded with valve gap 2 the two employing, and is simple for structure, dismantle and install very convenient, reliable operation.
The only about φ 19mm * 6mm of the boundary dimension of pressure limiting outlet valve, its size also can be regulated according to actual needs.
The above; Only being the preferred embodiment of the utility model, is not that the utility model is done any pro forma restriction, and those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification; Equivalent variations or modification all drop in the protection domain of the utility model.
Claims (5)
1. a pressure limiting outlet valve comprises pressure spring, valve plate, it is characterized in that: described pressure limiting outlet valve also comprises valve seat, and the valve gap that is threaded with valve seat, and valve seat and valve gap form cavity; Described valve seat comprises base plate and is positioned at the ring wall on the base plate that be provided with coaxial opening and restraining groove on the described base plate successively, the diameter of restraining groove is greater than the diameter of opening; The diameter of described valve plate is greater than the diameter of opening, and places restraining groove; One end of described spring is connected with the upper surface of valve plate; Described valve gap is provided with exhaust port.
2. pressure limiting outlet valve as claimed in claim 1 is characterized in that: the upper surface of described valve plate is provided with projection, and described valve gap is provided with the positive stop lug boss suitable with projection, the cavity that the end of projection places positive stop lug boss to form.
3. pressure limiting outlet valve as claimed in claim 2 is characterized in that: described positive stop lug boss is the vertical rod that ring-type is provided with.
4. pressure limiting outlet valve as claimed in claim 2 is characterized in that: described positive stop lug boss is a ring wall.
5. pressure limiting outlet valve as claimed in claim 1 is characterized in that: the upper surface of described valve plate is provided with spring guide, and pressure spring is enclosed within on the spring guide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205408254U CN202371239U (en) | 2011-12-21 | 2011-12-21 | Pressure-limiting exhaust valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205408254U CN202371239U (en) | 2011-12-21 | 2011-12-21 | Pressure-limiting exhaust valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202371239U true CN202371239U (en) | 2012-08-08 |
Family
ID=46594943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205408254U Expired - Fee Related CN202371239U (en) | 2011-12-21 | 2011-12-21 | Pressure-limiting exhaust valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202371239U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105539861A (en) * | 2015-12-11 | 2016-05-04 | 中国航空工业集团公司西安飞机设计研究所 | Valve device sucking air according to air pressure difference |
| CN105889691A (en) * | 2016-05-19 | 2016-08-24 | 南京军理科技股份有限公司 | Leveling device for overpressure automatic exhaust valve |
-
2011
- 2011-12-21 CN CN2011205408254U patent/CN202371239U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105539861A (en) * | 2015-12-11 | 2016-05-04 | 中国航空工业集团公司西安飞机设计研究所 | Valve device sucking air according to air pressure difference |
| CN105889691A (en) * | 2016-05-19 | 2016-08-24 | 南京军理科技股份有限公司 | Leveling device for overpressure automatic exhaust valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20161221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |