CN217842818U - Closed non-return air-compensating valve - Google Patents
Closed non-return air-compensating valve Download PDFInfo
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- CN217842818U CN217842818U CN202221526770.6U CN202221526770U CN217842818U CN 217842818 U CN217842818 U CN 217842818U CN 202221526770 U CN202221526770 U CN 202221526770U CN 217842818 U CN217842818 U CN 217842818U
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Abstract
The utility model relates to the technical field of mixed ingredients, and provides a closed non-return gulp valve, which comprises a valve body and a valve core, wherein the outer wall of the main body of the valve core is provided with a ring groove, and a first sealing ring is sleeved outside the ring groove; an air inlet channel is formed in the main body, and a plurality of air outlet holes communicated with the air inlet channel are formed in the annular groove; the gas enters the diversion cavity and the gas outlet channel through the gas inlet channel and the gas outlet hole, and the gas can not realize reverse flow due to the action of the first sealing ring, so the utility model has the function of a one-way valve and can prevent the material air and the material from flowing back to the gulp valve; the utility model can be installed outside the storage bin, and can be replaced and maintained outside the storage bin without completely discharging the materials in the storage bin; the diameter of the air outlet channel of the utility model is smaller than that of the first sealing ring, so that the material pollution caused by aging and fracture of the first sealing ring can be avoided; the utility model discloses simple structure, the installation, dismantle conveniently, the cost is moderate, and application scope is wide.
Description
Technical Field
The utility model relates to a batching technical field, concretely relates to seal non return gulp valve.
Background
The raw materials for preparing the rubber tires or certain chemical products comprise a plurality of powder or particle materials, and the materials are mixed and proportioned by adopting a special bin.
At present, the inner wall is cleaned and blocked by ventilating a special storage bin through an air compensating valve or a nozzle, and the existing air compensating valve mainly comprises an arch breaking air compensating valve, a powder metallurgy filter element nozzle, a direct nozzle, an adjustable air compensating valve, an air disc and the like. During the use of the aeration valve or nozzle, a plurality of disadvantages are found to exist:
the arch-breaking air supplement valve is internally provided with a nozzle with large air flow, but the sealing ring is directly contacted with the material, so that once the sealing ring falls off, raw materials are polluted, and the material flows back into an air pipe; the powder metallurgy filter element nozzle is easy to break and then pollute raw materials, and is easy to block; the direct nozzle is simple and convenient, and the material is easy to flow back; the adjustable air supply valve comprises a foreign air injection valve and a domestic air injection valve, and has the advantages of complex structure, various parts and high manufacturing cost; the air dish, built-in installation, only need empty feed bin just can operate.
Therefore, a storage bin aeration valve which has a simple structure, can prevent the backflow of the logistics and cannot pollute the materials after long-term use is needed.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the background technology, the utility model provides a closed non-return gulp valve, which comprises a valve body and a valve core, wherein the valve body comprises an upper end part and a lower end part, a flow guide cavity is arranged in the upper end part, and an air outlet channel communicated with the flow guide cavity is arranged in the lower end part; the valve core comprises a main body arranged in the flow guide cavity and an end cover connected to the outer side of the main body, and the end cover is detachably connected with the upper end part of the valve body; an annular groove is formed in the outer wall of the main body, and a first sealing ring is sleeved outside the annular groove; an air inlet channel is formed in the main body, and a plurality of air outlet holes communicated with the air inlet channel are formed in the annular groove; the gas enters the diversion cavity and the gas outlet channel through the gas inlet channel and the gas outlet hole.
In a preferred scheme, the end cover is connected with the upper end part of the valve body through a screw.
Further, a gasket is arranged between the screw and the upper end cover.
In a preferred scheme, a second sealing ring is installed between the end cover and the upper end part of the valve body.
In the preferred scheme, the diameter of the first sealing ring is larger than that of the air outlet channel, so that the first sealing ring is prevented from being separated from the air outlet channel.
In a preferred scheme, the diversion cavity is in a funnel shape.
In a preferred embodiment, the air inlet channel is funnel-shaped.
In a preferable scheme, the outer surface of the lower end part of the valve body is provided with threads for connecting with a storage bin.
The utility model discloses the beneficial effect who reaches does:
the utility model mainly comprises three main parts, namely a valve body, a valve core and a sealing ring, wherein the valve core is provided with an annular groove with an air outlet, the annular groove is externally sleeved with the sealing ring, gas enters a flow guide cavity by passing through an air inlet channel, the air outlet and a first sealing ring which is pushed open, and the gas cannot flow reversely under the action of the first sealing ring, so that the utility model has the function of a one-way valve and can prevent material air and materials from flowing back to an air compensating valve;
secondly, the utility model can be arranged outside the storage bin, and can be replaced and maintained outside the storage bin without completely discharging materials in the storage bin;
thirdly, the diameter of the air outlet channel of the utility model is smaller than that of the first sealing ring, so that the material pollution caused by aging and fracture of the first sealing ring can be avoided;
fourth, the utility model discloses simple structure, the installation, dismantle conveniently, the cost is moderate, and application scope is wide.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic view of the installation structure of the present invention.
Reference numbers in the figures:
1. a valve body; 11. an upper end portion; 111. a flow guide cavity; 12. a lower end portion; 121. an air outlet channel; 2. a valve core; 20. a main body; 21. an upper end cover; 22. an annular groove; 221. an air outlet; 23. an air intake passage; 3. a first seal ring; 4. a second seal ring; 5. a screw; 6. a gasket; 7. a silo wall; 8. installing a connector; 9. and (3) feeding.
Detailed Description
To facilitate understanding of the present invention for those skilled in the art, embodiments of the present invention will be described below with reference to the accompanying drawings.
Referring to fig. 1-2, the present invention is further illustrated with reference to specific embodiments, and the closed non-return gulp valve includes a valve body 1 and a valve core 2, the valve body 1 includes an upper end portion 11 and a lower end portion 12, a flow guiding cavity 111 is provided inside the upper end portion 11, and the flow guiding cavity 111 is preferably in a funnel shape. An air outlet channel 121 communicated with the diversion cavity 111 is formed in the lower end part 12; the valve core 2 comprises a main body 20 arranged in the flow guide cavity 111 and an end cover connected to the outer side of the main body 20, the end cover is detachably connected with the upper end 11 of the valve body 1, preferably, the end cover is connected with the upper end 11 of the valve body 1 through a screw 5, a gasket 6 is arranged between the screw 5 and the upper end 21, and a second sealing ring 4 is arranged between the end cover and the upper end 11 of the valve body 1. Under the effect of first sealing washer 3, second sealing washer 4, guarantee that whole gulp valve has good leakproofness.
An annular groove 22 is formed in the outer wall of part of the main body 20, and a first sealing ring 3 is sleeved outside the annular groove 22; an air inlet channel 23 is formed in the main body 20, the air inlet channel 23 is preferably funnel-shaped, and a plurality of air outlet holes 221 communicated with the air inlet channel 23 are formed in the annular groove 22; the gas enters the diversion cavity 111 and the gas outlet channel 121 through the gas inlet channel 23 and the gas outlet hole 221.
The utility model discloses in, first sealing washer 3's diameter is greater than outlet channel 121's diameter, avoids first sealing washer 3 to deviate from outlet channel 121. In addition, the outer surface of the lower end part 12 of the valve body 1 is provided with threads for being connected with a storage bin, an installation joint 8 with internal threads is arranged on a storage bin wall 7 of the storage bin, and the installation of the air compensating valve and the storage bin can be realized by connecting the lower end part 12 of the valve body 1 with the installation joint 8.
During the use, the gas of air supply passes through inlet channel 23 that the pipeline got into case 2, and gas gets into water conservancy diversion chamber 111 through inlet channel 23, venthole 221, the first sealing washer 3 of back-down, because the effect of first sealing washer 3, gaseous unable realization reverse flow, consequently the utility model discloses have the effect of check valve, can prevent that material 9 air and material 9 from flowing back to the gulp valve. Gas enters the storage bin from the diversion cavity 111 through the gas outlet channel 121, back flushing is carried out on the inner wall of the storage bin, loosening and loosening of the materials 9 are achieved by controlling on-off of the gas, and sufficient discharging is guaranteed.
The above embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (8)
1. The utility model provides a seal non return gulp valve, its includes valve body and case, its characterized in that: the valve body comprises an upper end part and a lower end part, a flow guide cavity is arranged in the upper end part, and an air outlet channel communicated with the flow guide cavity is arranged in the lower end part;
the valve core comprises a main body arranged in the flow guide cavity and an end cover connected to the outer side of the main body, and the end cover is detachably connected with the upper end part of the valve body;
an annular groove is formed in the outer wall of the main body, and a first sealing ring is sleeved outside the annular groove; an air inlet channel is arranged in the main body, and a plurality of air outlet holes communicated with the air inlet channel are formed in the annular groove; the air enters the diversion cavity and the air outlet channel through the air inlet channel and the air outlet hole.
2. A closed check gulp valve as defined in claim 1 wherein: the end cover is connected with the upper end part of the valve body through a screw.
3. A closed check gulp valve as defined in claim 2 wherein: a gasket is arranged between the screw and the upper end cover.
4. A closed check gulp valve as defined in claim 1 wherein: and a second sealing ring is arranged between the end cover and the upper end part of the valve body.
5. A closed check gulp valve as defined in claim 1 wherein: the diameter of the first sealing ring is larger than that of the air outlet channel, so that the first sealing ring is prevented from being separated from the air outlet channel.
6. A closed check gulp valve as defined in claim 1 wherein: the flow guide cavity is in a funnel shape.
7. A closed check gulp valve as defined in claim 1 wherein: the air inlet channel is in a funnel shape.
8. A closed check gulp valve as defined in claim 1 wherein: the outer surface of the lower end part of the valve body is provided with threads for connecting with a storage bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221526770.6U CN217842818U (en) | 2022-06-17 | 2022-06-17 | Closed non-return air-compensating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221526770.6U CN217842818U (en) | 2022-06-17 | 2022-06-17 | Closed non-return air-compensating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217842818U true CN217842818U (en) | 2022-11-18 |
Family
ID=84024538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221526770.6U Active CN217842818U (en) | 2022-06-17 | 2022-06-17 | Closed non-return air-compensating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217842818U (en) |
-
2022
- 2022-06-17 CN CN202221526770.6U patent/CN217842818U/en active Active
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