CN212307606U - Micro-pressure valve - Google Patents
Micro-pressure valve Download PDFInfo
- Publication number
- CN212307606U CN212307606U CN202020730815.6U CN202020730815U CN212307606U CN 212307606 U CN212307606 U CN 212307606U CN 202020730815 U CN202020730815 U CN 202020730815U CN 212307606 U CN212307606 U CN 212307606U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- baffle
- cap
- annular flange
- 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.)
- Active
Links
Images
Landscapes
- Details Of Valves (AREA)
Abstract
The utility model belongs to the technical field of regulating valves, in particular to a micro-pressure valve, which comprises a valve body, a valve rod and a valve cap, wherein the valve rod passes through the valve cap, the upper end of the valve rod is provided with a warning cap, and the lower end of the valve rod is provided with a baffle; the valve body is of a hollow structure, an annular flange is arranged radially inwards below the inner wall of the valve body, the valve cap is arranged on an upper port of the valve body, the valve rod slides downwards under the self gravity and leads into the valve body in a normal state, the baffle plate on the valve rod covers the annular flange, the outer wall of the valve body is further provided with an exhaust hole communicated with the inner cavity of the valve body, and the exhaust hole is positioned above the annular flange. The micro-pressure valve has simple and practical structure, low manufacturing cost and large market occupation; the valve cap is installed on the valve body in a threaded connection mode, and the valve body is installed on the pot cover, so that the installation and disassembly efficiency is improved, the valve rod is convenient to clean, and the valve body is convenient to replace.
Description
Technical Field
The utility model belongs to the technical field of the governing valve, especially, relate to a minute-pressure valve.
Background
The micro-pressure valve is installed between a common pot and a pressure cooker, is a pressure limiting exhaust valve with the limit value of 1-5KPa atmospheric pressure, can also be used for an electric cooker, and is closed by self gravity in a normal state, and after the pressure in the pot reaches the pressure limiting value, gas pushes a valve rod in the micro-pressure valve to float upwards, so that the valve is opened to carry out pressure relief limit.
This kind of traditional valve is on direct embedding pot cover, and the user can't be by oneself lift it off from the pot cover, needs the professional just can dismantle, and is very troublesome, for example the chinese utility model patent of publication No. CN2730263Y, is necessary to provide a simple to operate's minute-pressure discharge valve to this.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the technical problem who exists to the aforesaid, provide a simple structure, and easily installation, the little pressure valve of dismantlement.
The purpose of the utility model is realized like this: the utility model provides a minute-pressure valve, includes valve body and valve rod, its characterized in that: the valve rod penetrates through the valve cap, the upper end of the valve rod is provided with a warning cap, and the lower end of the valve rod is provided with a baffle; the valve body is of a hollow structure, the inner diameter of the valve body is larger than the outer diameter of the baffle, an annular flange is arranged radially inwards below the inner wall of the valve body, the valve cap is arranged on an upper port of the valve body, the valve rod slides downwards under the self gravity and is led into the valve body in a normal state, the baffle on the valve rod covers the annular flange, an exhaust hole communicated with the inner cavity of the valve body is further formed in the outer wall of the valve body, and the exhaust hole is located above the annular flange.
By adopting the technical scheme, after the valve body is installed on the pot cover, when the air pressure in the pot rises gradually, the gas in the pot enters the interior of the pot body through the lower end opening of the valve body, after the air pressure reaches 1-5KPA, the baffle can be pushed upwards, the baffle is separated from the annular flange, the gas can flow towards the exhaust hole direction along the gap between the baffle and the inner wall of the valve body, the gas is discharged from the outer port of the exhaust hole, after the baffle is moved up to the valve cap, the gas can be directly discharged outwards from the inner port of the exhaust hole, the pressure relief exhaust is realized, and the air pressure in the pot reaches the stable purpose.
The utility model discloses further set up to: the baffle is cylindrical, the outer wall below the baffle is an annular inclined plane, the outer diameter of the annular inclined plane is gradually reduced from top to bottom, an integrated annular structure matched with the annular inclined plane is arranged at the upper end of the annular flange, the bottom of the baffle is in contact with the upper end face of the annular flange after the baffle is covered on the annular flange, and the annular inclined plane of the baffle is in contact with the annular structure.
Through adopting above-mentioned technical scheme, set up annular inclined plane on the baffle, set up annular structure on cyclic annular flange, through the area of contact between the increase the two, improve the sealing performance between baffle and the cyclic annular flange to still be difficult to cause the jam.
The utility model discloses further set up to: the exhaust hole has four, and circumference evenly distributed in on the valve body.
Through adopting above-mentioned technical scheme, set up four exhaust holes on the valve body to improve the exhaust efficiency of valve body.
The utility model discloses further set up to: be provided with external screw thread one on the valve cap outer wall, be provided with on the inner wall of valve body upper end with the internal thread of external screw thread looks adaptation, valve cap threaded connection in on the valve body.
Through adopting above-mentioned technical scheme, adopt threaded connection's mode to install the valve cap on the valve body to improve installation, dismantlement efficiency, and then conveniently wash the valve rod.
The utility model discloses further set up to: the lower end of the valve body is provided with a hollow connector, an external thread II is arranged on the outer wall of the connector, a sealing ring is further sleeved on the connector, and the upper end of the sealing ring is abutted to the lower end face of the valve body.
Through adopting above-mentioned technical scheme, with on the connector embedding pot cover on the valve body, then install the nut in the pot cover inboard, adopt threaded connection's mode to fix the valve body to improve installation, dismantle efficiency, and then convenient the change.
The utility model has the advantages that: 1. the micro-pressure valve of the utility model has simple and practical structure, low cost and large market occupation; 2. set up annular inclined plane on the baffle, set up the loop configuration on cyclic annular flange, through the area of contact between the increase two, improve the sealing performance between baffle and the cyclic annular flange to still be difficult to cause the jam. The valve cap is installed on the valve body in a threaded connection mode, and the valve body is installed on the pot cover, so that the installation and disassembly efficiency is improved, the valve rod is convenient to clean, and the valve body is convenient to replace.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic view of the internal structure of the present invention;
the reference numbers in the figures are: 1. a valve body; 11. an annular flange; 12. an exhaust hole; 13. an annular structure; 14. a connector; A. a nut; 141. a second external thread; 15. a seal ring; 2. a valve stem; 21. a warning cap; 22. a baffle plate; 221. an annular bevel; 3. a bonnet; 31. the first external thread.
Detailed Description
In order to make the technical solutions in the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings:
a micro-pressure valve, as shown in fig. 1 and 2, comprises a valve body 1 and a valve rod 2, wherein the valve rod 2 also comprises a valve cap 3, the valve rod 2 is arranged by penetrating the valve cap 3, the upper end of the valve rod is provided with a warning cap 21, and the lower end of the valve rod is provided with a baffle 22; the valve body 1 is of a hollow structure, the inner diameter of the valve body 1 is larger than the outer diameter of the baffle plate 22, the annular flange 11 is arranged radially inwards below the inner wall of the valve body 1, the bonnet 3 is arranged on the upper port of the valve body 1, the valve rod 2 slides downwards under the self gravity and leads into the valve body 1 in a normal state, the baffle plate 22 on the valve body covers the annular flange 11, the outer wall of the valve body 1 is further provided with an exhaust hole 12 communicated with the inner cavity of the valve body, and the exhaust hole 12 is located above the annular flange 11.
After the valve body 1 is installed on the pot cover, when the air pressure in the pot rises gradually, the air in the pot enters the interior of the pot body 1 through the lower end opening of the valve body, after the air pressure reaches 1-5KPA, the baffle plate 22 can be pushed upwards, so that the baffle plate 22 is separated from the annular flange 11, the air can flow to the direction of the exhaust hole 12 along the gap between the baffle plate 22 and the inner wall of the valve body 1 and is discharged from the outer port of the exhaust hole 12, after the baffle plate 22 moves up to the valve cap 3, the air can be directly discharged outwards from the inner port of the exhaust hole 12, thereby achieving the exhaust and pressure relief, and enabling the air pressure in the pot to reach the purpose of stabilization.
Optimally, the baffle 22 is cylindrical, the outer wall below the baffle 22 is an annular inclined surface 221, the outer diameter of the annular inclined surface 221 is gradually reduced from top to bottom, the upper end of the annular flange 11 is provided with an integrated annular structure 13 matched with the annular inclined surface 221, after the baffle 22 is covered on the annular flange 11, the bottom of the baffle 22 is contacted with the upper end surface of the annular flange 11, and the annular inclined surface 221 of the baffle 22 is contacted with the annular structure 13.
The provision of the annular inclined surface 221 on the baffle plate 22 and the annular structure 13 on the annular flange 11 improves the sealing performance between the baffle plate 22 and the annular flange 11 by increasing the contact area therebetween, and also does not easily cause clogging.
Optimally, the number of the exhaust holes 12 is four, and the exhaust holes are circumferentially and uniformly distributed on the valve body 1. The four exhaust holes 12 are formed in the valve body 1, so that the exhaust efficiency of the valve body 1 is improved.
Optimized, be provided with external screw thread 31 on the 3 outer walls of valve cap, be provided with the internal thread with external screw thread looks adaptation on the inner wall of valve body 1 upper end, 3 threaded connection of valve cap are on valve body 1. Adopt threaded connection's mode to install valve cap 3 on valve body 1 to improve installation, dismantlement efficiency, and then conveniently wash valve rod 2.
Optimally, the lower end of the valve body 1 is provided with a hollow connector 14, the outer wall of the connector 14 is provided with a second external thread 141, the connector 14 is further sleeved with a sealing ring 15, and the upper end of the sealing ring 15 abuts against the lower end face of the valve body 1. Imbed the connector 14 on the valve body 1 into the pot cover, then install nut A at the pot cover inboard, adopt threaded connection's mode to fix valve body 1 to improve installation, dismantle efficiency, and then convenient the change.
The above embodiments are only preferred embodiments of the present invention, not all embodiments, and other embodiments obtained based on the above embodiments by those skilled in the art without any creative work shall fall within the protection scope of the present invention, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (5)
1. The utility model provides a micro-pressure valve, includes valve body (1) and valve rod (2), its characterized in that: the valve rod (2) penetrates through the valve cap (3), the upper end of the valve rod is provided with a warning cap (21), and the lower end of the valve rod is provided with a baffle (22); valve body (1) is hollow structure, and its internal diameter is greater than the external diameter of baffle (22), valve body (1) inner wall below has radially inwards to set up annular flange (11), valve cap (3) set up in on the last port of valve body (1), under the normality valve rod (2) slide down under self gravity and access to in valve body (1) to baffle (22) lid on it fits on annular flange (11), still set up on valve body (1) outer wall and communicate exhaust hole (12) of its inner chamber, exhaust hole (12) are located the top of annular flange (11).
2. A micro-pressure valve according to claim 1, wherein: baffle (22) are cylindric, and the outer wall of its below is annular inclined plane (221), and the external diameter on this annular inclined plane (221) from top to bottom reduces gradually, the upper end of annular flange (11) be provided with integrative and with annular structure (13) of annular inclined plane (221) looks adaptation, baffle (22) lid fits back on annular flange (11), the bottom of baffle (22) with the up end of annular flange (11) contacts, the annular inclined plane (221) of baffle (22) with annular structure (13) contacts.
3. A micro-pressure valve according to claim 1 or 2, characterized in that: the number of the exhaust holes (12) is four, and the exhaust holes are circumferentially and uniformly distributed on the valve body (1).
4. A micro-pressure valve according to claim 3, wherein: be provided with external screw thread (31) on valve cap (3) outer wall, be provided with on valve body (1) upper end inner wall with the internal thread of external screw thread looks adaptation, valve cap (3) threaded connection in on valve body (1).
5. A micro-pressure valve according to claim 4, wherein: the valve body (1) lower extreme is provided with hollow connector (14), be provided with external screw thread two (141) on connector (14) outer wall, it is equipped with sealing washer (15) still to overlap on connector (14), the upper end of sealing washer (15) is contradicted on the lower terminal surface of valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020730815.6U CN212307606U (en) | 2020-05-06 | 2020-05-06 | Micro-pressure valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020730815.6U CN212307606U (en) | 2020-05-06 | 2020-05-06 | Micro-pressure valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212307606U true CN212307606U (en) | 2021-01-08 |
Family
ID=74023439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020730815.6U Active CN212307606U (en) | 2020-05-06 | 2020-05-06 | Micro-pressure valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212307606U (en) |
-
2020
- 2020-05-06 CN CN202020730815.6U patent/CN212307606U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2444985A1 (en) | Spin-on filter element and filter head | |
| CN111419092A (en) | Micro-pressure valve | |
| CN212307606U (en) | Micro-pressure valve | |
| EP4098579A1 (en) | Food pump having external spring and safety outlet valve | |
| CN213629080U (en) | Breather valve convenient to maintain | |
| CN202460867U (en) | Micro fog spray nozzle structure | |
| CN209965990U (en) | Water cup | |
| CN210631014U (en) | Pressure-reducing cup | |
| CN110553069B (en) | Fluid pressure stabilizing valve | |
| CN2873039Y (en) | Anti-explosion valve for pressure cooker | |
| CN206076342U (en) | A kind of control valve of valve controlling type accumulator | |
| CN2551593Y (en) | Pressing liquid draining type bottle cover | |
| CN203192888U (en) | Safety valve sealing structure of lead-acid storage battery | |
| CN211231729U (en) | One-way pressure valve and electric cooker thereof | |
| CN218262031U (en) | Balance water tank and instant heating type drinking equipment thereof | |
| CN203709724U (en) | Sealing water cup | |
| CN214273830U (en) | Fuel cap with duckbill valve | |
| CN212196692U (en) | Vessel with cover | |
| CN215059835U (en) | Regulating exhaust valve assembly | |
| CN220212642U (en) | Air release valve of pressure cooker | |
| CN210540837U (en) | Safety valve assembly of pressure cooker | |
| CN219198884U (en) | Outdoor stove gas tank with valve | |
| CN218401775U (en) | Fresh-keeping barrel convenient for exhausting | |
| CN215763570U (en) | Time delay valve assembly | |
| CN110701348A (en) | One-way pressure valve and electric cooker thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |