CN208364869U - A kind of full-bore big flow straight check valve - Google Patents
A kind of full-bore big flow straight check valve Download PDFInfo
- Publication number
- CN208364869U CN208364869U CN201820962018.3U CN201820962018U CN208364869U CN 208364869 U CN208364869 U CN 208364869U CN 201820962018 U CN201820962018 U CN 201820962018U CN 208364869 U CN208364869 U CN 208364869U
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- CN
- China
- Prior art keywords
- valve body
- puw
- short tube
- full
- outlet valve
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of full-bore big flow straight check valves of check valve technical field, including PUW short tube, and PUW short tube is that structure is two groups identical, the left side of the right side PUW short tube is provided with entrance valve body by PUW nut and threaded connection, the left side of the left side PUW short tube is provided with outlet valve body by PUW nut and threaded connection, the opposite face of the entrance valve body and outlet valve body is connected through a screw thread, spool is provided on the right side of the inner cavity of the entrance valve body, the valve core upper sleeve, which connects, is provided with fluororubber O-type ring, and the left side of spool is arranged in fluororubber O-type ring, spring supporting is provided on the left of the inner cavity of the outlet valve body, the spring-supported right side is provided with the spring check valve and is sealed using O-ring, negative pressure condition may be implemented to remain to seal, and there is all-pass runoff Road, and internal circulation direction is approximate through type, therefore compared with similar, which has the features such as negative-pressure sealing, full-bore runner, low pressure drop, lower resistance.
Description
Technical field
The utility model relates to check valve technical field, specially a kind of full-bore big flow straight check valve.
Background technique
Domestic similar product promoting menstruation is all undergauge, and internal recirculation hole forms Z-type or other non-through type streams on spool
Road, medium cause changes in flow rate very big in the spool metering orifice by valve because runner is undergauge, will appear before and after valve
Great pressure change leads to vapour lock, and causes the vibration of system seriously and the abnormal sound situation that screams, for this purpose, it is proposed that a kind of
Full-bore big flow straight check valve.
Utility model content
The purpose of this utility model is to provide a kind of full-bore big flow straight check valves, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides the following technical solutions: a kind of full-bore big flow through type is unidirectional
Valve, including PUW short tube, and PUW short tube is that structure is two groups identical, the left side of the right side PUW short tube passes through PUW nut and spiral shell
Line is connected with entrance valve body, and the left side of the left side PUW short tube is provided with outlet valve by PUW nut and threaded connection
The opposite face of body, the entrance valve body and outlet valve body is connected through a screw thread, and is provided with valve on the right side of the inner cavity of the entrance valve body
Core, the valve core upper sleeve, which connects, is provided with fluororubber O-type ring, and the left side of spool, the outlet valve body is arranged in fluororubber O-type ring
Inner cavity on the left of be provided with spring supporting, the spring-supported right side is provided with spring.
Preferably, the junction of the entrance valve body and outlet valve body is provided with fluororubber O-type ring two.
Preferably, the connection of the right side PUW short tube and entrance valve body and left side the PUW short tube and outlet valve body
Place is provided with GS gasket.
Preferably, the PUW short tube passes through clamping and is attached with entrance valve body and outlet valve body.
Compared with prior art, the utility model has the beneficial effects that
The full-bore big flow straight check valve, structure is simple, easy to use, which, can using type O circle sealing
To realize that negative pressure condition remains to seal, and there is full-bore runner, and internal circulation direction is approximate through type, therefore with
Similar to compare, which has the features such as negative-pressure sealing, full-bore runner, low pressure drop, lower resistance.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
In figure: 1 PUW short tube, 2 PUW nuts, 3 GS gaskets, 4 entrance valve bodies, 5 spools, 6 fluororubber O-type rings, 7 fluorine rubbers
Glue O-ring two, 8 springs, 9 spring supportings, 10 outlet valve bodies.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, the utility model provides a kind of technical solution: a kind of full-bore big flow straight check valve, packet
PUW short tube 1 is included, and PUW short tube 1 is that structure is two groups identical, the left side of right side PUW short tube 1 is connected by PUW nut 2 and screw thread
It connects and is provided with entrance valve body 4, the left side of left side PUW short tube 1 is provided with outlet valve body 10 by PUW nut 2 and threaded connection, enters
The opposite face of mouth valve body 4 and outlet valve body 10 is connected through a screw thread, and is provided with spool 5, spool 5 on the right side of the inner cavity of entrance valve body 4
Upper socket is provided with fluororubber O-type ring 6, and the left side of spool 5 is arranged in fluororubber O-type ring 6, on the left of the inner cavity for exporting valve body 10
It is provided with spring supporting 9, the right side of spring supporting 9 is provided with spring 8.
Wherein, the junction of entrance valve body 4 and outlet valve body 10 is provided with fluororubber O-type ring 27, fluororubber O-type ring 27
Energy long service is in most of chemistry and Petrochemical process, in the medium that other rubber can expand or fail, fluororubber O-type ring
27 will not expand or become frangible, still keep original quality.Fluororubber O-type ring 27 is easy for installation, compares metal seal
It is suitable for incorrect installation, not will cause abrasion, is not in " cold flow properties " or abrasion axis；
The junction of right side PUW short tube 1 and entrance valve body 4 and left side PUW short tube 1 and outlet valve body 10 is provided with GS pad
Piece 3, GS gasket 3 have good leakproofness, can increase side PUW short tube 1 and entrance valve body 4 and left side PUW short tube 1 and outlet valve
The junction leakproofness of body 10, avoids side PUW short tube 1 after prolonged use and entrance valve body 4 and left side PUW short tube 1 and goes out
Leakage phenomenon occurs for the junction of mouth valve body 10；
PUW short tube 1 is attached by clamping with entrance valve body 4 and outlet valve body 5, by way of clamping, is convenient for
Adjust installation.
Working principle: when work, medium is entered in valve body by entrance valve body 4, and medium pushes spool 5 to open, from bullet
The place of spring support 9 is flowed through, and after spool 5 is fully open, the cross section of fluid channel product front and back in entrance valve body 4 and outlet valve body 10 is protected
It holds unanimously, and flow circuits near linear, medium is discharged from outlet valve body 10.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of full-bore big flow straight check valve, including PUW short tube (1), and PUW short tube (1) is structure identical two
Group, it is characterised in that: the left side of the right side PUW short tube (1) is provided with entrance valve body by PUW nut (2) and threaded connection
(4), the left side of the left side PUW short tube (1) is provided with outlet valve body (10) by PUW nut (2) and threaded connection, it is described enter
Mouth valve body (4) and the opposite face of outlet valve body (10) are connected through a screw thread, and are provided with valve on the right side of the inner cavity of the entrance valve body (4)
Core (5) is socketed on the spool (5) and is provided with fluororubber O-type ring (6), and fluororubber O-type ring (6) setting is on a left side for spool (5)
The inner cavity left side of side, outlet valve body (10) is provided with spring supporting (9), is provided with bullet on the right side of the spring supporting (9)
Spring (8).
2. a kind of full-bore big flow straight check valve according to claim 1, it is characterised in that: the entrance valve body
(4) junction with outlet valve body (10) is provided with fluororubber O-type ring two (7).
3. a kind of full-bore big flow straight check valve according to claim 1, it is characterised in that: described in the right side
The junction of PUW short tube (1) and entrance valve body (4) and left side the PUW short tube (1) and outlet valve body (10) is provided with GS pad
Piece (3).
4. a kind of full-bore big flow straight check valve according to claim 1, it is characterised in that: the PUW short tube
(1) it is attached by clamping with entrance valve body (4) and outlet valve body (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820962018.3U CN208364869U (en) | 2018-06-21 | 2018-06-21 | A kind of full-bore big flow straight check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820962018.3U CN208364869U (en) | 2018-06-21 | 2018-06-21 | A kind of full-bore big flow straight check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208364869U true CN208364869U (en) | 2019-01-11 |
Family
ID=64926119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820962018.3U Expired - Fee Related CN208364869U (en) | 2018-06-21 | 2018-06-21 | A kind of full-bore big flow straight check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208364869U (en) |
-
2018
- 2018-06-21 CN CN201820962018.3U patent/CN208364869U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190111 Termination date: 20190621 |