CN108825826A - A kind of three valve of filtering cut-off non-return - Google Patents
A kind of three valve of filtering cut-off non-return Download PDFInfo
- Publication number
- CN108825826A CN108825826A CN201810992898.3A CN201810992898A CN108825826A CN 108825826 A CN108825826 A CN 108825826A CN 201810992898 A CN201810992898 A CN 201810992898A CN 108825826 A CN108825826 A CN 108825826A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- additionally provided
- spool
- return
- 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.)
- Pending
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 238000005202 decontamination Methods 0.000 claims description 6
- 230000003588 decontaminative effect Effects 0.000 claims description 6
- 239000012535 impurity Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K13/00—Other constructional types of cut-off apparatus; Arrangements for cutting-off
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Check Valves (AREA)
Abstract
The invention discloses a kind of three valves of filtering cut-off non-return, it is intended to provide a kind of three valves for effectively realizing filtering, cut-off and non-return, its key points of the technical solution are that, valve deck including single flow Y-valve body and with valve body cooperation, spool is additionally provided in the valve body, the spool is equipped with the valve rod connecting with valve core rotation, the stem bottom is additionally provided with sealing surface, the valve body is additionally provided with check device, the check device includes surveying the guiding rib being equipped in valve body center, the valve stem tip is additionally provided with cylindrical guide way, and the guide way bottom is dome shape.
Description
Technical field
The present invention relates to valve arrangement field, in particular to a kind of three valve of filtering cut-off non-return.
Background technique
Shut-off valve is as a kind of extremely important truncation class valve, and sealing is by applying torque to valve rod, and valve rod exists
On axial direction, to spool apply pressure, fit closely valve core sealed cover with sealing surface of seat, prevention medium along sealing surface it
Between slot leakage.
The sealing pair of shut-off valve is made of valve core sealed cover and sealing surface of seat, and valve rod is with movable valve plug valve along the center of valve seat
Line is vertically moved.In shut-off valve opening-closing process, Lift is smaller, is easy to the adjusting of flow, and manufactures easy to maintenance, pressure
Power is applied widely, thus is widely used.
Currently, the Chinese patent of Publication No. CN205013713U discloses a kind of high plus is unified into valve, it includes valve body,
Valve seat is equipped in valve body, valve seat is equipped with flap, and flap is equipped with valve rod, and the lower end of valve rod is equipped with and cap, and the upper end of cap
It is close to the upper surface of flap；The outside of the middle-end of valve rod is equipped with valve seat set, and valve seat set is fixed on the inner wall of valve body；Valve rod it is upper
End is equipped with isolation cylinder cap, and isolation cylinder cap is located at valve seat and puts on；The isolation cylinder is covered equipped with piston cylinder, and interior be equipped with of piston cylinder is lived
Stopper rod and piston, piston are located at the lower end of piston rod, and piston rod is located at the top of valve rod；Piston cylinder is equipped with pressing plate and pressure
Lid, gland are located at the upper end of piston rod；The valve body is equipped with bracket, and transmission valve rod is equipped in bracket, is driven valve rod and work
Stopper rod is connected by being oriented to connector sleeve, and the upper end for being driven valve rod is equipped with thrust ball bearing.
Although this height, which adds, is unified into valve, firmness is high, effectively improves the using effect of product, also enhances using the longevity
Life, but often function is more single, needs usually to increase one way stop peturn valve before and after shut-off valve when non-return, prevents medium
It flows backwards.
Summary of the invention
The object of the present invention is to provide a kind of three valves of filtering cut-off non-return, have collection filtering, three kinds of cut-off, non-return function
The contaminant filter of the impure system of above-mentioned medium can be solved the problems, such as in three valves of one, being provided simultaneously with prevents medium from flowing backwards function
Can, the advantages of caning effectively protect the sealing surface of shut-off valve in this way, prolong the service life, improve system control reliability.
Above-mentioned technical purpose of the invention technical scheme is that：
A kind of three valve of filtering cut-off non-return, the valve deck including single flow Y-valve body and with valve body cooperation, the valve body are interior also
Equipped with spool, the spool is equipped with the valve rod connecting with valve core rotation, and the spool bottom is additionally provided with sealing surface, the valve body
It is additionally provided with check device, the check device includes surveying the guiding rib being equipped in valve body center, and the valve stem tip is also set
There is cylindrical guide way, the guide way bottom is dome shape.
By using above-mentioned technical proposal, industrial pipeline is due to the complexity of medium, and if medium is not pure, there are particles
Object easily causes sealing surface to crush, damages sealing surface when medium is trapped in cut-off valve sealing surface, causes to leak in shut-off valve
Previous shut-off valve is that independent filter is installed in conventional design shut-off valve or pipeline front end, in addition for needing one-way flow
System, previous technology are separately to increase one way stop peturn valve before and after shut-off valve, prevent medium from flowing backwards, and the non-return by being equipped with
Valve can effectively prevent medium refluence, suitable for the needs in the compact place of valve installation space, such as ship, power plant, chemical plant
Deng system, the guiding rib and guide way being equipped with can pass through spool two-way pressure effectively when medium is flow backwards
Difference, to prevent the refluence of medium, to realize the function of non-return.
Further setting：The valve body includes the feeding inlet connecting with pipeline, the cavity being equipped with positioned at feeding inlet, is located at
Discharge port below cavity and the end socket above cavity, the valve rod are connect with end socket inner thread.
By using above-mentioned technical proposal, the valve body of such setting can effectively make water flow after feeding inlet passes through on
It rises, is come out to reach discharge port, and the substances such as impurity can be effectively trapped in lower section, cut-off valve chest uses single flow Y
Shape design, the two constitute jointly new hull and valve combination, convenient for stopping impurity.
Further setting：Filter device is additionally provided in the feeding inlet, the filter device includes the mistake in pipeline
Filter block, the notch in inner wall of the pipe, is used on filter block the groove in inner wall of the pipe and below filter block
The fixture block for being inserted into notch, the decontamination mouth being equipped with below filter block and the plug being threadedly coupled with decontamination mouth.
By using above-mentioned technical proposal, the filter device that is equipped with can impurity in effective filter pipe, while by
In in the inner wall of the pipe below filter block be equipped with groove so that accumulation impurity can be stored temporarily in wherein, will not
So that the case where impurity plug filter block occurs, while the notch and fixture block being equipped with can be convenient the fixation of entire filter block and tear open
Unload, thus filter block is replaced it is also more convenient, can be with the opposite of relatively fixed filter block and when inside pipeline
Position, to effectively guarantee the effect of filtering.
Further setting：The valve stem tip is additionally provided with rotation handwheel.
By using above-mentioned technical proposal, the rotation handwheel being equipped with controls opening for entire shut-off valve convenient for users to rotation
It closes.
Further setting：The outer wall of the cavity and end socket is equipped with along side, and described be equipped with along side tightens bolt, described
Tighten bolt both ends be equipped with tighten nut.
By using above-mentioned technical proposal, be equipped with along side and tighten bolt and can effectively facilitate whole disassembly, from
And convenient for the cleaning to internal impurity, it is easily installed.
Further setting：The cavity top is located at end socket bottom surface and is additionally provided with seal washer.
By using above-mentioned technical proposal, the sealing rubber pad being equipped with can also effectively guarantee that entire valve body is water-tight,
To guarantee entire use.
In conclusion the invention has the advantages that：Strainer valve is designed using Y shape, and the two constitutes jointly new shell
Body and valve combination, plug are connect using bolt or screw thread with valve body, convenient periodically to disintegrate, removing filtrate, and spool and valve
The movable connection structure design form of bar lower end cylindrical body.
Detailed description of the invention
Fig. 1 is filtering three valve overall structure diagram of cut-off non-return.
In figure, 1, valve body；2, valve deck；3, spool；4, valve rod；5, sealing surface；6, check device；61, guiding rib；62, it leads
Xiang Ti；7, feeding inlet；8, cavity；9, discharge port；10, end socket；11, filter device；111, filter block；112, groove；113, slot
Mouthful；114, fixture block；115, mouth is decontaminated；116, plug；12, handwheel is rotated；13, along side；14, bolt is tightened；15, nut is tightened；
16, seal washer.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment 1：A kind of three valve of filtering cut-off non-return, as shown in Figure 1, including single flow Y-valve body 1 and and valve body
The valve deck 2 of 1 cooperation is additionally provided with spool 3 in valve body 1, and spool 3 is equipped with the valve rod 4 being rotatablely connected with spool 3, and 3 bottom of spool is also
Equipped with sealing surface 5, and valve body 1 includes mainly the feeding inlet 7 connecting with pipeline, and cavity 8 is equipped in feeding inlet 7, and under cavity 8
Side is additionally provided with discharge port 9, the end socket 10 being equipped with above cavity 8, and the outer wall of cavity 8 and end socket 10 is equipped with along side 13, along side
It is equipped in 13 and tightens bolt 14, tighten 14 both ends of bolt equipped with nut 15 is tightened, such design can effectively facilitate operator
Member is for the disassembly and installation between entire end socket 10 and bottom device.It is additionally provided with seal washer 16 on 10 inner wall of end socket, simultaneously
4 top of valve rod is additionally provided with rotation handwheel 12, convenient for the rotation of user.
Valve body 1 is additionally provided with check device 6, and check device 6 includes surveying the guiding rib 61 being equipped with, valve in 1 center of valve body
4 top of bar is additionally provided with cylindrical guide way 62, and 62 bottom of guide way is dome shape, and filtering dress is additionally provided in feeding inlet 7
11 are set, filter device 11 includes the filter block 111 in pipeline, while being set in inner wall of the pipe and below filter block 111
There is a groove 112 for keeping in rubbish, and the notch 113 being additionally provided in inner wall of the pipe, it is equipped on filter block 111 for being inserted into
The fixture block 114 of notch 113, the decontamination mouth 115 being wherein equipped with below filter block 111 and the plug being threadedly coupled with decontamination mouth 115
116。
Its main operational principle is as follows：Mainly by valve body 1, valve deck 2 forms valve pressure-bearing main body；Spool 3, valve rod 4, hand
Wheel forms valve opening and closing element, realization movement opening and closing function.1 left side of valve body（At medium feeding inlet 7）Equipped with filter device 11, by
Filter block 111, plug 116, joint valve body 1 form, and plug 116, using being threadedly coupled or being bolted, is realized external with valve body 1
Sealing, prevents from leaking outside.From 1 disintegration plug 116 of valve body, filter block 111 can be taken off, remove and remain in groove 112 or in mistake
Remaining impurity on filter block 111.Then it is fitted into plug 116, filter screen, periodic cyclic filtering again.
For medium from 1 left hand inlet port of valve body, medium enters the right side above spool 3 after filter block 111, through valve seat runner
Side runner realizes the filtering and opening and closing function of valve.4 lower end of valve rod be it is cylindric, bottom is spherical surface, the inside for spool 3
The impetus that guiding and valve move down when needing to close as spool 3.Dedicated guiding rib is provided on the inside of cavity 8 in valve body 1
61, in this way when valve is in the open state, spool 3 can on 1 lumen of valve body under along 4 head cylinder of guiding rib 61 and valve rod
Body is move freely, and is unlikely to stuck and cavity 8, when medium is flow backwards, the spool 3 moveing freely, due to upper dielectric
Pressure is higher than 3 lower part of spool, and under the differential pressure action of two sides, spool 3 is moved down with after valve seat face contact, and media flow is truncated, and realizes
The automatic closing function of return valve function.
Similarly, after valve rod 4 is opened, 4 lower spherical of valve rod is detached from spool 3, and spool 3 can be move freely, such as spool 3
There are pressure medium, spools 3 to be elapsed upwards by medium for lower part, realizes valve opening function.The automatic of valve is realized at this time
It opens.
When valve needs to forcibly close, valve rod 4 moves down under the close moment effect of handwheel, band 3 edge of movable valve plug
Guiding rib 61 moves down, until closing valve when valve seat.
The above embodiments are only explanation of the invention, are not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (6)
1. a kind of three valve of filtering cut-off non-return, including single flow Y-valve body（1）And and valve body（1）The valve deck of cooperation（2）,
The valve body（1）Inside it is additionally provided with spool（3）, the spool（3）It is equipped with and spool（3）The valve rod of rotation connection（4）, the valve
Core（3）Bottom is additionally provided with sealing surface（5）, it is characterised in that：The valve body（1）It is additionally provided with check device（6）, the check device
（6）Including being located at valve body（1）The guiding rib being equipped with is surveyed in central（61）, the valve rod（4）Top is additionally provided with cylindrical guiding
Body（62）, the guide way（62）Bottom is dome shape.
2. a kind of three valve of filtering cut-off non-return according to claim 1, it is characterised in that：The valve body（1）Including with
The feeding inlet of pipeline connection（7）, be located at feeding inlet（7）The cavity being equipped with（8）, be located at cavity（8）The discharge port of lower section（9）And
Positioned at cavity（8）The end socket of top（10）, the valve rod（4）With end socket（10）Inner thread connection.
3. a kind of three valve of filtering cut-off non-return according to claim 2, it is characterised in that：The feeding inlet（7）It is interior to go back
Equipped with filter device（11）, the filter device（11）Including the filter block being located in pipeline（111）, be located at inner wall of the pipe on and
In filter block（111）The groove of lower section（112）, notch in inner wall of the pipe（113）, be located at filter block（111）On be used for
It is inserted into notch（113）Fixture block（114）, be located at filter block（111）The decontamination mouth that lower section is equipped with（115）And with decontamination mouth（115）
The plug of threaded connection（116）.
4. a kind of three valve of filtering cut-off non-return according to claim 3, it is characterised in that：The valve rod（4）Top is also
Equipped with rotation handwheel（12）.
5. a kind of three valve of filtering cut-off non-return according to claim 4, it is characterised in that：The cavity（8）And end socket
（10）Outer wall be equipped with along side（13）, described along side（13）Interior be equipped with tightens bolt（14）, described to tighten bolt（14）Both ends
Equipped with tightening nut（15）.
6. a kind of three valve of filtering cut-off non-return according to claim 5, it is characterised in that：The cavity（8）Top position
In end socket（10）Bottom surface is additionally provided with seal washer（16）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810992898.3A CN108825826A (en) | 2018-08-29 | 2018-08-29 | A kind of three valve of filtering cut-off non-return |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810992898.3A CN108825826A (en) | 2018-08-29 | 2018-08-29 | A kind of three valve of filtering cut-off non-return |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108825826A true CN108825826A (en) | 2018-11-16 |
Family
ID=64151616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810992898.3A Pending CN108825826A (en) | 2018-08-29 | 2018-08-29 | A kind of three valve of filtering cut-off non-return |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108825826A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112957790A (en) * | 2021-03-22 | 2021-06-15 | 四川省分析测试服务中心 | High-pressure filtering device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2908932Y (en) * | 2006-05-12 | 2007-06-06 | 中泉集团浙江阀门有限公司 | Filter type Y-shaped stop valve |
| CN202768867U (en) * | 2012-08-10 | 2013-03-06 | 安徽理工大学 | Y-shaped filtering stop valve |
| CN204201193U (en) * | 2014-10-27 | 2015-03-11 | 明珠阀门集团有限公司 | A kind of have filtration, cut-off and the valve of return-stopping function |
| CN204717071U (en) * | 2015-04-21 | 2015-10-21 | 哈电集团哈尔滨电站阀门有限公司 | Novel cutting-off-check valve |
| CN205991227U (en) * | 2016-08-23 | 2017-03-01 | 泉州市泉高阀门制造有限公司 | A kind of stop valve with filtering function |
| CN208670159U (en) * | 2018-08-29 | 2019-03-29 | 宝鼎阀业有限公司 | A kind of three valve of filtering cut-off non-return |
-
2018
- 2018-08-29 CN CN201810992898.3A patent/CN108825826A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2908932Y (en) * | 2006-05-12 | 2007-06-06 | 中泉集团浙江阀门有限公司 | Filter type Y-shaped stop valve |
| CN202768867U (en) * | 2012-08-10 | 2013-03-06 | 安徽理工大学 | Y-shaped filtering stop valve |
| CN204201193U (en) * | 2014-10-27 | 2015-03-11 | 明珠阀门集团有限公司 | A kind of have filtration, cut-off and the valve of return-stopping function |
| CN204717071U (en) * | 2015-04-21 | 2015-10-21 | 哈电集团哈尔滨电站阀门有限公司 | Novel cutting-off-check valve |
| CN205991227U (en) * | 2016-08-23 | 2017-03-01 | 泉州市泉高阀门制造有限公司 | A kind of stop valve with filtering function |
| CN208670159U (en) * | 2018-08-29 | 2019-03-29 | 宝鼎阀业有限公司 | A kind of three valve of filtering cut-off non-return |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112957790A (en) * | 2021-03-22 | 2021-06-15 | 四川省分析测试服务中心 | High-pressure filtering device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181116 |