CN213018217U - Liquid inlet one-way valve of high-pressure pump - Google Patents
Liquid inlet one-way valve of high-pressure pump Download PDFInfo
- Publication number
- CN213018217U CN213018217U CN202021336557.XU CN202021336557U CN213018217U CN 213018217 U CN213018217 U CN 213018217U CN 202021336557 U CN202021336557 U CN 202021336557U CN 213018217 U CN213018217 U CN 213018217U
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- valve body
- mounting flange
- pressure pump
- check valve
- pump feed
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Abstract
The utility model discloses a high-pressure pump feed liquor check valve, including last valve body, well valve body and lower valve body, the surface mounting who goes up the valve body has first mounting flange, first mounting flange's right side just stays to be equipped with the internal thread in the inner circle of last valve body, a set of seal groove has been seted up on the internal thread right side, the internally mounted of well valve body has one-way feed liquor mechanism, the surface mounting of valve body has the second mounting flange down, first mounting flange with spacing retaining ring is installed in second mounting flange's the outside, a plurality of buffering lugs are installed along the circumferencial direction to spacing retaining ring inner wall. This practicality has combined two kinds of connection mounting means of threaded connection and flange installation, is applicable to any occasion generally, has the commonality, and the buffering lug of design has effectively cushioned the pressure fluctuation that high-pressure water pressure produced, avoids the junction to break off, and in addition, the valve body internal seal nature is good, has helped improving the life of this check valve.
Description
Technical Field
The utility model relates to a fluid pressurization check valve technical field that is relevant specifically is high-pressure pump feed liquor check valve.
Background
The check valve is commonly called as a check valve, fluid can only flow along the water inlet, and the medium at the water outlet cannot flow back. Check valves are also known as check valves or check valves. For preventing reverse flow of oil in hydraulic systems or for preventing reverse flow of compressed air in pneumatic systems. The one-way valve has a straight-through type and a right-angle type.
However, the high-pressure pump-in check valve in the prior art has the following disadvantages in use: 1. the installation mode is single, and the installation mode is not suitable for any occasion and has unicity; 2. because the high pressure water pressure fluctuation is large, the fracture of the joint is easily caused, and the normal production and use are influenced by the fault; 3. the service life is short.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high-pressure pump feed liquor check valve to solve the problem that provides in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: high-pressure pump feed liquor check valve, including last valve body, well valve body and lower valve body, well valve body welded mounting is in the right side of well valve body, down the valve body welded mounting is in the right side of well valve body, the outer surface welding who goes up the valve body installs first mounting flange, first mounting flange's right side just is in the inner circle of going up the valve body is stayed and is equipped with the internal thread, the internal thread right side just is in a set of seal groove has been seted up to the inside of going up the valve body, the internally mounted of well valve body has one-way feed liquor mechanism, the outer surface welding of valve body installs second mounting flange down, first mounting flange with spacing retaining ring is installed in the outside welding of second mounting flange, a plurality of buffering lugs are installed along the circumferencial direction welding to spacing retaining ring inner wall, just the.
Preferably, a plurality of fixing holes are formed in the first mounting flange and the second mounting flange at equal intervals in the circumferential direction.
Preferably, a sealing ring is embedded in the sealing groove.
Preferably, the outer surfaces of the upper valve body, the middle valve body and the lower valve body are coated with corrosion-resistant layers.
Preferably, the material of the one-way liquid inlet mechanism is made of brass.
Preferably, the inner side of the second mounting flange is provided with the same inner thread as the inner side of the first mounting flange.
Compared with the prior art, the beneficial effects of the utility model are that: firstly, according to the type of a high-pressure pump, the water outlet end of the high-pressure pump is screwed in and installed on the one-way valve through the internal thread of the upper valve body or the high-pressure pump and the one-way valve are fixedly connected through the fixing hole in the first installation flange, then according to the type of a certain using device, the water outlet end of the one-way valve and the certain using device are screwed and installed through the internal thread in the inner side of the second installation flange or the one-way valve and the certain using device are fixedly connected through the fixing hole in the second installation flange of the lower valve body.
The utility model has the advantages of simple overall structure, reasonable in design, the practicality is strong, has combined two kinds of connection mounting means of threaded connection and flange installation, generally is applicable to any occasion, has the universality, and the buffering lug of design has effectively cushioned the pressure fluctuation that high-pressure water pressure produced, avoids the junction to break off, and in addition, the valve body internal seal nature is good, has helped improving the life of this check valve, has advantages such as excellent in use effect.
Drawings
Fig. 1 is a schematic view of the whole structure of the liquid inlet check valve of the high-pressure pump of the utility model;
fig. 2 is a left side view structural schematic diagram of the liquid inlet one-way valve of the high-pressure pump of the utility model;
fig. 3 is the utility model discloses a department enlargies the schematic diagram in the high-pressure pump feed liquor check valve figure 1.
In the figure: 1. an upper valve body; 2. a middle valve body; 3. a lower valve body; 4. a first mounting flange; 5. an internal thread; 6. a sealing groove; 7. a one-way liquid inlet mechanism; 8. a second mounting flange; 9. a limit retainer ring; 10. a buffer bump; 11. a fixing hole; 12. and (5) sealing rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the liquid inlet one-way valve for the high-pressure pump comprises an upper valve body 1, a middle valve body 2 and a lower valve body 3, wherein the middle valve body 2 is welded and installed on the right side of the middle valve body 2, the lower valve body 3 is welded and installed on the right side of the middle valve body 2, a first mounting flange 4 is welded and installed on the outer surface of the upper valve body 1, an internal thread 5 is reserved on the right side of the first mounting flange 4 and on the inner ring of the upper valve body 1, a group of sealing grooves 6 are formed in the right side of the internal thread 5 and inside the upper valve body 1, a one-way liquid inlet mechanism 7 is installed inside the middle valve body 2, a second mounting flange 8 is welded and installed on the outer surface of the lower valve body 3, a limiting retainer ring 9 is welded and installed on the outer sides of the first mounting flange;
a plurality of fixing holes 11 are equidistantly formed in the first mounting flange 4 and the second mounting flange 8 along the circumferential direction, a sealing ring 12 is embedded in a sealing groove 6, the outer surfaces of the upper valve body 1, the middle valve body 2 and the lower valve body 3 are respectively coated with a corrosion-resistant layer, the one-way liquid inlet mechanism 7 is made of brass, the inner side of the second mounting flange 8 is provided with an internal thread 5 which is the same as the inner side of the first mounting flange 4, firstly, the water outlet end of the high-pressure pump is screwed in and mounted on the one-way valve through the internal thread 5 of the upper valve body 1 according to the type of the high-pressure pump or the high-pressure pump and the one-way valve are fixedly connected through the fixing hole 11 on the first mounting flange 4, then, the water outlet end of the one-way valve is screwed and mounted with a certain using device through the internal thread 5 on the inner side of the second mounting flange 8 according to the type of the certain using device or the one-way valve is, at this moment, when the high-pressure pump began to pump into high pressure water, the pressure oscillation that high pressure water pressure produced has effectively been cushioned to the semicircular buffering lug 10 of design, prevent that the junction from receiving high pressure water pressure undulant, cause the trouble to influence normal production, the sealing washer 12 of 6 embedding installations of inside seal groove has in addition guaranteed that the leakproofness of check valve is good, the utility model has the advantages of simple overall structure, reasonable in design, the practicality is strong, has combined two kinds of connection mounting means of threaded connection and flange installation, is generally applicable to any occasion, has the universality, and the pressure oscillation that high pressure water pressure produced has effectively been cushioned to the buffering lug 10 of design, avoids the junction to take place the fracture, and in addition, the valve body internal seal nature is good, helps improving the life of this check valve, has advantages such as.
The working principle is as follows: when the utility model is used, firstly, the water outlet end of the high-pressure pump is screwed in and installed on the one-way valve through the internal thread 5 of the upper valve body 1 according to the type of the high-pressure pump or the high-pressure pump and the one-way valve are fixedly connected through the fixing hole 11 on the first mounting flange 4, then the water outlet end of the one-way valve and a certain using device are screwed and installed through the internal thread 5 inside the second mounting flange 8 according to the type of the certain using device or the one-way valve and the certain using device are fixedly connected through the fixing hole 11 on the second mounting flange 8 of the lower valve body 3, at the moment, when the high-pressure pump starts to pump in high-pressure water, the designed semicircular buffering lug 10 effectively buffers the pressure fluctuation generated by the high-pressure water pressure, the connection part is prevented from being subjected to the high-pressure fluctuation, the fault influence on the normal production is caused, the sealing ring 12 embedded and installed, the device has the advantages of reasonable overall design, simple operation, convenient use, good use effect and the like.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. High-pressure pump feed liquor check valve, including last valve body (1), well valve body (2) and lower valve body (3), its characterized in that: the middle valve body (2) is welded and installed on the right side of the middle valve body (2), the lower valve body (3) is welded and installed on the right side of the middle valve body (2), a first mounting flange (4) is installed on the outer surface of the upper valve body (1), an inner thread (5) is reserved on the right side of the first mounting flange (4) and the inner ring of the upper valve body (1), a group of sealing grooves (6) are formed in the right side of the inner thread (5) and the inner part of the upper valve body (1), a one-way liquid inlet mechanism (7) is installed inside the middle valve body (2), a second mounting flange (8) is installed on the outer surface of the lower valve body (3) in a welded mode, a limiting check ring (9) is installed on the outer side of the first mounting flange (4) and the outer side of the second mounting flange (8) in a welded mode, and a plurality of buffering convex blocks (, and the buffer lug (10) is in a semicircular design.
2. The high-pressure pump feed check valve as claimed in claim 1, wherein: a plurality of fixing holes (11) are formed in the first mounting flange (4) and the second mounting flange (8) at equal intervals in the circumferential direction.
3. The high-pressure pump feed check valve as claimed in claim 1, wherein: and a sealing ring (12) is embedded in the sealing groove (6).
4. The high-pressure pump feed check valve as claimed in claim 1, wherein: the outer surfaces of the upper valve body (1), the middle valve body (2) and the lower valve body (3) are coated with corrosion-resistant layers.
5. The high-pressure pump feed check valve as claimed in claim 1, wherein: the material of the one-way liquid inlet mechanism (7) is made of brass.
6. The high-pressure pump feed check valve as claimed in claim 1, wherein: the inner side of the second mounting flange (8) is provided with an internal thread (5) which is the same as the inner side of the first mounting flange (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021336557.XU CN213018217U (en) | 2020-07-09 | 2020-07-09 | Liquid inlet one-way valve of high-pressure pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021336557.XU CN213018217U (en) | 2020-07-09 | 2020-07-09 | Liquid inlet one-way valve of high-pressure pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213018217U true CN213018217U (en) | 2021-04-20 |
Family
ID=75502069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021336557.XU Active CN213018217U (en) | 2020-07-09 | 2020-07-09 | Liquid inlet one-way valve of high-pressure pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213018217U (en) |
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2020
- 2020-07-09 CN CN202021336557.XU patent/CN213018217U/en active Active
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