CN206361201U - One kind regulation profile shaft flow check valve - Google Patents
One kind regulation profile shaft flow check valve Download PDFInfo
- Publication number
- CN206361201U CN206361201U CN201621462775.1U CN201621462775U CN206361201U CN 206361201 U CN206361201 U CN 206361201U CN 201621462775 U CN201621462775 U CN 201621462775U CN 206361201 U CN206361201 U CN 206361201U
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- Prior art keywords
- valve seat
- valve
- hole
- profile shaft
- flow check
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Abstract
One kind regulation profile shaft flow check valve, the detachable valve seat by setting, some through holes are set on the side wall of valve seat, through hole and runner insertion, the specially designed valve seat of medium flow field in switching process, the specially-shaped mouth of valve seat can make medium pass through valve seat by stable runner, the characteristic such as reach switch valve flow linear, equal percentage, open soon, sinuous flow will not be produced, the equipment to upstream and downstream will not be damaged as usual, it is ensured that the operation steady in a long-term of unit.
Description
Technical field
The utility model is specifically related to valve technology field, and in particular to one kind regulation profile shaft flow check valve.
Background technology
Check-valves is mainly used in flow of media in pipe-line system and prevents medium flows backwards from causing pump and motor to damage.Only
Velocity of medium unstable caused sinuous flow, the water attack that valve is returned in unlatching, turn-off transient easily cause damage to pump and motor,
Influence the service life of equipment and the safe and stable operation of device.Therefore the medium excessively stream stability of check-valves switching process is lifted
Operation steady in a long-term to device and its important.
Adjust profile shaft flow check valve and be directed to velocity of medium in current check-valves switching process unstable caused sinuous flow, water attack
And special research and development.Conventional check valve in valve opening moment because the pressure difference of pipeline can make medium scurry out suddenly, to the pipeline in downstream
And equipment can produce it is certain wash away, influence downstream service life of equipment.Conventional check valve is when closing valve because upstream pump stops
Work no pressure, and now downstream pressure can cause medium to flow backwards anti-channeling formation water attack, and greatly damage is caused to flap and pump.
The content of the invention
It is of the present utility model to provide a kind of regulation profile shaft flow check valve in order to solve the deficiencies in the prior art.
The utility model use technical solution be：One kind regulation profile shaft flow check valve, including valve body and valve
It is provided with valve, described valve body in baffle, described baffle and valve interior wall formation runner, described baffle and is provided with valve
Bar, described valve rod slides with baffle to be coordinated, and described flap is located at main valve stem one end, between described flap and baffle
Back-moving spring is additionally provided with, is additionally provided with detachable valve seat, described valve seat and is additionally provided between described baffle and valve body
Valve seat is fixed on baffle by gland, described gland, and the side wall of described valve seat is provided with some through holes, described through hole
With runner insertion, described flap includes the first position coordinated with valve base sealing and departs from valve is opened second with valve seat
Position.
Be provided with bearing in described baffle, described bearing is provided with axle sleeve, described valve rod be arranged in axle sleeve and
Slide and coordinate with axle sleeve.
Described axle sleeve is provided with mounting seat, and described back-moving spring is set in mounting seat.
The week side of boss of described flap is provided with side wall, seals and coordinates between described side wall and through hole.
Described valve seat is annular, and described some through holes are located on the side wall of the valve seat of annular.
Described through hole is the week side of boss of circular, the described some uniform dense arrangements of circular through hole in valve seat.
Described through hole is convex shape, and the through hole of described convex shape is horizontally arranged on the side wall of valve seat.
Described through hole is convex shape, and the bending place of the through hole of described convex shape is excessive round slip surface, described through hole
It is horizontally arranged on the side wall of valve seat.
The beneficial effects of the utility model are：The utility model provides a kind of regulation profile shaft flow check valve, by setting
Some through holes, through hole and runner insertion are set on detachable valve seat, the side wall of valve seat, and medium flow field is passed through in switching process
The valve seat of particular design, the specially-shaped mouth of valve seat can make medium, by valve seat, reach switch valve flow line by stable runner
Property, equal percentage, the characteristic such as open soon, sinuous flow will not be produced, the equipment to upstream and downstream will not be damaged as usual, it is ensured that unit
Operation steady in a long-term.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is that the utility model opens flow-type valve seat construction schematic diagram soon.
Fig. 3 is the utility model equal percentage flow-type valve seat construction schematic diagram.
Fig. 4 is the linear flow-type valve seat construction schematic diagram of the utility model.
1- valve bodies in figure, 2- flaps, 3- baffles, 4- valve rods, 5- valve seats, 6- glands, 11- runners, 21- sides wall, 31- is multiple
Position spring, 32- bearings, 33- axle sleeves, 51- through holes.
Embodiment
The utility model is further described in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, one kind regulation profile shaft flow check valve,
Including valve body 1 and flap 2, baffle 3, described baffle 3 and the inwall of valve body 1 formation runner are provided with described valve body 1
11, described baffle 3 is interior to be provided with valve rod 4, and described valve rod 4 slides with baffle 3 to be coordinated, and is provided with described baffle 3
Bearing 32, described bearing 32 is provided with axle sleeve 33, and described valve rod 4, which is arranged in axle sleeve 33 and slid with axle sleeve 33, to be coordinated.
Described axle sleeve 33 is provided with mounting seat, and described back-moving spring 31 is set in mounting seat.Described flap 2 is located at valve rod 4
One end, back-moving spring 31 is additionally provided between described flap 2 and baffle 3, it is characterised in that described baffle 3 and valve body 1
Between be additionally provided with detachable valve seat 5, described valve seat 5 and be additionally provided with gland 6, valve seat 5 is fixed on by described gland 6 leads
On fluid 3, the side wall 21 of described valve seat 5 is provided with some through holes 51, described through hole 51 and the insertion of runner 11, described valve
Valve 2 includes sealing the first position coordinated with valve seat 5 and departs from the second place that valve is opened with valve seat 5.Described flap 2
The week side of boss be provided with side wall 21, between described side wall 21 and through hole 51 seal coordinate.The utility model is detachable by setting
Valve seat, some through holes, through hole and runner insertion are set on the side wall of valve seat, and medium flow field is specially designed in switching process
Valve seat, the specially-shaped mouth of valve seat can make medium by stable runner by valve seat, reach switch valve flow it is linear, etc. percentage
Than, the characteristic such as open soon, sinuous flow will not be produced, the equipment to upstream and downstream will not be damaged as usual, it is ensured that unit it is steady in a long-term
Operation.
Described valve seat 5 is annular, and described some through holes 51 are located on the side wall 21 of the valve seat 5 of annular.
Flow-type valve seat is opened soon：As shown in Fig. 2 described through hole 51 is circle, described some circular through holes 51 are equal
The week side of boss of the even dense arrangement in valve seat 5.
Equal percentage flow-type valve seat：As shown in figure 3, described through hole 51 is convex shape, the through hole of described convex shape
51 is horizontally arranged on the side wall 21 of valve seat 5.
Linear flow-type valve seat：As shown in figure 4, described through hole 51 is convex shape, the through hole 51 of described convex shape
Bending place is excessive round slip surface, and described through hole 51 is horizontally arranged on the side wall 21 of valve seat 5.
Described above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (8)
1. one kind regulation profile shaft flow check valve, including valve body（1）And flap（2）, described valve body（1）It is interior to be provided with baffle
（3）, described baffle（3）With valve body（1）Inwall formation runner（11）, described baffle（3）It is interior to be provided with valve rod（4）, institute
The valve rod stated（4）With baffle（3）Sliding coordinates, described flap（2）Positioned at valve rod（4）One end, described flap（2）With leading
Fluid（3）Between be additionally provided with back-moving spring（31）, it is characterised in that described baffle（3）With valve body（1）Between be additionally provided with it is removable
Unload the valve seat of replacing（5）, described valve seat（5）On be additionally provided with gland（6）, described gland（6）By valve seat（5）It is fixed on water conservancy diversion
Body（3）On, described valve seat（5）Side wall（21）It is provided with some through holes（51）, described through hole（51）With runner（11）Pass through
Logical, described flap（2）Including with valve seat（5）Seal the first position coordinated and and valve seat（5）Depart from valve is opened the
Two positions.
2. a kind of regulation profile shaft flow check valve according to claim 1, it is characterised in that described baffle（3）Inside set
There is bearing（32）, described bearing（32）It is provided with axle sleeve（33）, described valve rod（4）Installed in axle sleeve（33）Interior and and axle sleeve
（33）Sliding coordinates.
3. a kind of regulation profile shaft flow check valve according to claim 2, it is characterised in that described axle sleeve（33）It is provided with
Mounting seat, described back-moving spring（31）It is set in mounting seat.
4. a kind of regulation profile shaft flow check valve according to claim 1, it is characterised in that described flap（2）The week side of boss
Provided with side wall（21）, described side wall（21）With through hole（51）Between seal coordinate.
5. a kind of regulation profile shaft flow check valve according to claim 1, it is characterised in that described valve seat（5）For annulus
Shape, described some through holes（51）Positioned at the valve seat of annular（5）Side wall（21）On.
6. a kind of regulation profile shaft flow check valve according to claim 5, it is characterised in that described through hole（51）For circle
Shape, described some circular through holes（51）Uniform dense arrangement is in valve seat（5）The week side of boss.
7. a kind of regulation profile shaft flow check valve according to claim 5, it is characterised in that described through hole（51）For type
Shape, the through hole of described convex shape（51）It is horizontally arranged in valve seat（5）Side wall（21）On.
8. a kind of regulation profile shaft flow check valve according to claim 5, it is characterised in that described through hole（51）For type
Shape, the through hole of described convex shape（51）Bending place be excessive round slip surface, described through hole（51）It is horizontally arranged in valve seat（5）
Side wall（21）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621462775.1U CN206361201U (en) | 2016-12-29 | 2016-12-29 | One kind regulation profile shaft flow check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621462775.1U CN206361201U (en) | 2016-12-29 | 2016-12-29 | One kind regulation profile shaft flow check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206361201U true CN206361201U (en) | 2017-07-28 |
Family
ID=59376758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621462775.1U Active CN206361201U (en) | 2016-12-29 | 2016-12-29 | One kind regulation profile shaft flow check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206361201U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180298A (en) * | 2017-12-18 | 2018-06-19 | 董晓 | A kind of one-way throttle valve |
| CN109058556A (en) * | 2018-09-30 | 2018-12-21 | 浙江理工大学 | Plug valve |
| CN113653837A (en) * | 2021-09-06 | 2021-11-16 | 刘余 | Assembled forged steel axial flow check valve |
-
2016
- 2016-12-29 CN CN201621462775.1U patent/CN206361201U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180298A (en) * | 2017-12-18 | 2018-06-19 | 董晓 | A kind of one-way throttle valve |
| CN109058556A (en) * | 2018-09-30 | 2018-12-21 | 浙江理工大学 | Plug valve |
| CN113653837A (en) * | 2021-09-06 | 2021-11-16 | 刘余 | Assembled forged steel axial flow check valve |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |