CN207921372U - A kind of counterflow-preventing may filter that ball valve - Google Patents
A kind of counterflow-preventing may filter that ball valve Download PDFInfo
- Publication number
- CN207921372U CN207921372U CN201820089633.8U CN201820089633U CN207921372U CN 207921372 U CN207921372 U CN 207921372U CN 201820089633 U CN201820089633 U CN 201820089633U CN 207921372 U CN207921372 U CN 207921372U
- Authority
- CN
- China
- Prior art keywords
- filter
- valve
- counterflow
- spool
- ball 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
Links
- 230000004888 barrier function Effects 0.000 claims abstract description 21
- 238000000429 assembly Methods 0.000 claims abstract description 16
- 230000000712 assembly Effects 0.000 claims abstract description 16
- 238000004140 cleaning Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 5
- 210000004907 gland Anatomy 0.000 claims description 4
- 230000002035 prolonged effect Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 14
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 238000001556 precipitation Methods 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 25
- 238000010586 diagram Methods 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The utility model provides a kind of counterflow-preventing and may filter that ball valve, valve inner is equipped with spool, valve body both ends are equipped with extension tube, one extension tube madial wall upper and lower ends is respectively equipped with upper fixed seat and lower fixed seat, barrier plate is equipped between upper fixed seat and lower fixed seat, barrier plate is connect with upper fixed seat by being rotatablely connected component, valve core inside is equipped with fixed plate, connecting plate is connected in fixed plate, connecting plate is equipped with filter assemblies, filter assemblies include the screen pack and valve plug for being fixed on connecting plate bottom, it is fixed with supporting rod at the top of spool, supporting rod end is equipped with transverse slat, it is connected by telescoping tube between valve plug and transverse slat, telescoping tube is internally provided with the first flexible connector, spool and body base are equipped with cleaning assemblies.A kind of counterflow-preventing described in the utility model may filter that ball valve, and body base, which is equipped with, collects miscellaneous slot, processing can be collected to the filtered impurity of screen pack, and can open capping, the impurity after precipitation is exported, it is made not cause the blocking of pipeline.
Description
Technical field
The utility model belongs to valve arrangement technical field, may filter that ball valve more particularly, to a kind of counterflow-preventing.
Background technology
Valve is control unit in pipeline fluid transport system to be had for changing access section and media flow direction
The functions such as water conservancy diversion, cut-off, throttling, non-return, shunting or overflow release.For the valve of fluid control, from simplest shut-off valve
To various valves used in extremely complex robot control system(RCS), kind and specification are various, and the valve often having has ball valve etc., with ball
Body is known as ball valve as the valve of closure member, and opening and closing element is driven by valve rod, and the valve to rotate around ball valve axis, can use
In the adjusting and control of fluid.In China, ball valve be widely used petroleum refining, long-distance transport pipes, chemical industry, papermaking, pharmacy,
The industries such as water conservancy, electric power, municipal administration, steel occupy very important status in national economy.But often there is fluid in existing ball valve
The phenomenon that adverse current, needs some in the instrument of accurate control of fluid throughput, some errors occurs, and this slight mistake
Difference eventually leads to the failure of an experiment, and the phenomenon that can be carried impurity due to the fluid in pipeline, usually will produce blocking, and
Fluid becomes muddy, is unfavorable for using, a kind of ball valve of counterflow-preventing disclosed in Chinese patent CN201720233474.X, by setting
Setting splash guard can effectively prevent the appearance of fluid reflux phenomenon, the seal plate from being connected by bindiny mechanism, realize seal plate and
Valve ball operation simultaneously, it is effective to ensure the accurate of fluid throughput, by being equipped with filter screen in ball valve water inlet end, effectively block
Impurity enters valve body and corrosion valve body, improves the service life of equipment, its filter screen is arranged in pipeline enclosure, although can will flow
Body filters, but when impurity is excessive, still can make line clogging.
Utility model content
In view of this, the utility model, which is directed to a kind of counterflow-preventing, may filter that ball valve so that its can realize counterflow-preventing and
Dual function is filtered, and the impurity in the pipeline that can be will filter out is purged.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
A kind of counterflow-preventing may filter that ball valve, including valve body, and the valve inner is equipped with spool, the valve body both ends be equipped with
The extension tube that the spool both sides fit closely, extension tube madial wall are equipped with baffle, and up and down the two of the baffle
End is respectively equipped with upper fixed seat and lower fixed seat, and barrier plate, the resistance are equipped between fixed seat and the lower fixed seat
It is connect with fixed seat by being rotatablely connected component at the top of baffle, the valve core inside is equipped with tilting fixed plate, described
Connecting plate is connected in fixed plate, the connecting plate is equipped with filter assemblies, and the filter assemblies include being fixed on the connecting plate
The screen pack of bottom and the valve plug fitted closely with the connecting plate, the spool top are fixed with supporting rod, the support
Bar end is equipped with transverse slat, is connected by telescoping tube between the valve plug and the transverse slat, the telescoping tube is internally provided with the first bullet
Property connector, the spool and the body base are equipped with cleaning assemblies.
Further, the valve body is equipped with sealing element with the extension tube joint；
Further, the body top is equipped with axle sleeve, and the axle sleeve is internally provided with one end and is fixedly connected with the spool
Valve rod, the valve stem top is equipped with handle, and the handle end is cased with gum cover；
Further, the rotation connection component includes fixed link and the second elastic connection in the fixed link
Part, second flexible connector both ends are equipped with extension rod, and the barrier plate and fixed seat opposite side are equal
Equipped with rod-putting slot, the barrier plate is equipped with fixed seat bottom and connects nose bar, two extensions by fixed link
Bar is respectively placed in two rod-putting slots；
Further, the cleaning assemblies includes being fixed on the miscellaneous slot of collection of the spool bottom and leading to the body base
The extension slot being threadedly coupled is crossed, the miscellaneous trench bottom of collection is connected through a screw thread capping, and groove is equipped in the middle part of the capping, described recessed
Slot is internally provided with projection piece, and the extension trench bottom is equipped with support base, and the support base is equipped with the mandril connected by bearing,
The mandril top is equipped with the gland fitted closely with the capping；
Further, the barrier plate outer diameter is less than the internal diameter of the extension tube；
Further, first flexible connector is compressible spring, and second flexible connector is disk spring；
Further, the spool is equipped with gasket with the connecting plate place of fitting；
Further, the gasket is rubber pad.
Compared with the existing technology, a kind of counterflow-preventing described in the utility model may filter that ball valve has the advantage that：
1. a kind of counterflow-preventing described in the utility model may filter that ball valve, screen pack is set in valve plug bottom, you can rise
To the effect for preventing fluid reflux, the fluid for flowing through valve can be also filtered；
2. a kind of counterflow-preventing described in the utility model may filter that ball valve, body base, which is equipped with, collects miscellaneous slot, can be to filter screen
The filtered impurity of plate is collected processing, and can open capping, and the impurity after precipitation is exported, it is made not cause pipeline
It blocks；
3. a kind of counterflow-preventing described in the utility model may filter that ball valve, barrier plate is set in extension tube, it can be further
Sight the phenomenon that preventing fluid countercurrent current occur, with one same-action of valve plug, play the purpose of duplicate protection；
4. a kind of counterflow-preventing described in the utility model may filter that ball valve, have simple in structure, easy to use, highly practical
The characteristics of.
Description of the drawings
The attached drawing for constituting the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The illustrative embodiments and their description of type are not constituted improper limits to the present invention for explaining the utility model.
In attached drawing：
Fig. 1 may filter that the overall structure diagram of ball valve for a kind of counterflow-preventing described in the utility model embodiment；
Fig. 2 may filter that the part B structural schematic diagram of ball valve for a kind of counterflow-preventing described in the utility model embodiment；
Fig. 3 may filter that the C portion structural schematic diagram of ball valve for a kind of counterflow-preventing described in the utility model embodiment；
Fig. 4 may filter that the part A side structure schematic diagram of ball valve for a kind of counterflow-preventing described in the utility model embodiment；
Fig. 5 may filter that the part A positive structure schematic of ball valve for a kind of counterflow-preventing described in the utility model embodiment.
Reference sign：
1- valve bodies, 2- valve rods, 3- axle sleeves, 4- handles, 5- gum covers, 6- nose bars, 7- spools, 8- extension tubes, 9- sealing elements,
10- upper fixed seats, 11 lower fixed seats, 12- baffles, 13- barrier plates, 14- are rotatablely connected component, 15- fixed plates, 16- filtering groups
Part, 17- cleaning assemblies, 18- connecting plates, 19- screen packs, 20- valve plugs, 21- gaskets, 22- telescoping tubes, the first elasticity of 23-
Connector, 24- cross versions, 25- supporting rods, the miscellaneous slot of 26- collection, 27- cappings, 28- grooves, 29- projection pieces, 30- extension slots, 31- branch
Support seat, 32- mandrils, 33- bearings, 34- glands, 35- rod-putting slots, 36- fixed links, the second flexible connectors of 37-, 38- extensions
Bar.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Fig. 1~5, a kind of counterflow-preventing may filter that ball valve, including valve body 1, the valve body 1 are internally provided with spool 7, institute
It states 1 both ends of valve body and is equipped with the extension tube 8 fitted closely with 7 both sides of the spool, the valve body 1 and 8 joint of the extension tube
Equipped with sealing element 9,8 madial wall of the extension tube is equipped with baffle 12, and the upper and lower ends of the baffle 12 are respectively equipped with
Fixed seat 10 and lower fixed seat 11 are equipped with barrier plate 13, the blocking between fixed seat 10 and the lower fixed seat 11
13 outer diameter of plate is less than the internal diameter of the extension tube 8, and 13 top of the barrier plate passes through rotation connection group with fixed seat 10
Part 14 connects, and the spool 7 is internally provided with tilting fixed plate 15, and connecting plate 18, the connection are connected in the fixed plate 15
Plate 18 be equipped with filter assemblies 16, the filter assemblies 16 include be fixed on 18 bottom of the connecting plate screen pack 19 and with
The valve plug 20 that the connecting plate 18 fits closely, and the spool 20 is equipped with gasket with 18 place of fitting of the connecting plate
21, the gasket 21 is rubber pad, and the sealing performance of valve plug 21 can be made better, and 7 top of the spool is fixed with support
Bar 25,25 end of the supporting rod are equipped with transverse slat 24, are connected by telescoping tube 22 between the valve plug 20 and the transverse slat 24, institute
It states telescoping tube 22 and is internally provided with the first flexible connector 23, the spool 7 and 1 bottom of the valve body are equipped with cleaning assemblies 17.
1 top of the valve body is equipped with axle sleeve 3, and the axle sleeve 3 is internally provided with the valve rod that one end is fixedly connected with the spool 7
2,2 top of the valve rod is equipped with handle 4, and 4 end of the handle is cased with gum cover 5, convenient for rotation ball valve core 7, adjusts fluid
Flow.
The rotation connection component 14 includes fixed link 36 and the second flexible connector in the fixed link 36
37,37 both ends of the second flexible connector are equipped with extension rod 38,10 phase of the barrier plate 13 and fixed seat
Rod-putting slot 35 is equipped with to one end, the barrier plate 13 and 10 bottom of fixed seat be equipped with connected by fixed link 36 it is convex
Bar 6, two extension rods 38 are respectively placed in two rod-putting slots 35.
The cleaning assemblies 17 includes being fixed on the miscellaneous slot 26 of collection of 7 bottom of the spool and passing through with 1 bottom of the valve body
The extension slot 30 of threaded connection, miscellaneous 26 bottom of slot of collection are connected through a screw thread capping 27, and 27 middle part of the capping is equipped with groove
28, the groove 28 is internally provided with projection piece 29, and 30 bottom of the extension slot is equipped with support base 31, and the support base 31 is equipped with
The mandril 32 connected by bearing 33,32 top of the mandril are equipped with the gland 34 fitted closely with the capping 27, are kept off
The impurity that plate stops can slowly be deposited on and collect inside miscellaneous slot 26, will not continue to circulate in pipeline, can prevent due to pipeline
The phenomenon that interior impurity excessively causes line clogging, and extension slot 30 and 1 side wall of valve body and capping 27 and the miscellaneous slot 26 of collection are equal
It is to be connected through a screw thread, therefore the two is detachable, more convenient impurity export that will collect inside miscellaneous slot 26,32 bottom of mandril passes through
Bearing 33 is connect with support base 31, therefore mandril 32 can be driven to rotate together during ball valve core 7 rotates, and mandril 32 can rise
To the effect of 27 position of fixed capping.
First flexible connector 23 is compressible spring, and second flexible connector 37 is disk spring.
Swing handle 4 adjusts the position of spool 7 so that and valve body 1 is opening state body, when the fluid in pipeline flows through valve,
The extension tube 8 of 1 side of valve body, fluid impact barrier plate 13 are first passed through, barrier plate 13 hinders under the action of Fluid pressure around connection
The fixed link 36 of baffle 13 and upper fixed seat 10 rotates, and extension tube 8 is opened so that fluid can pass through extension tube 8, fluid stream
When crossing spool 7, the compression shock valve plug 20 of fluid causes the telescoping tube 22 for connecting valve plug 20 and the first flexible connector 23 to be pressed
Contracting, so that valve plug 20 is detached with connecting plate 18, fluid can pass through spool 7 and circulate, when fluid is by spool 20, need through
The screen pack 19 crossed on connecting plate 18 filters, it is ensured that the degree of purity of the fluid in pipeline is filtered by screen pack 19
Impurity afterwards, which can be deposited on, to be collected inside miscellaneous slot 26 so that the impurity in pipeline will not cause line clogging；When not flowed in pipeline
When body passes through, valve plug 20 is not impacted by fluid, and the first flexible connector 23 restores to the original state so that valve plug 20 and connecting plate
18 fit together again, prevent the adverse current of fluid, and barrier plate 13 is in the second flexible connector 37 and two extension rods 38 thereon
Under the action of rotated around fixed link 36 so that barrier plate 13 is closed, and is also functioned to the case where preventing fluids within pipes adverse current and is occurred；
When cleaning collects sundries in miscellaneous slot 26, rotatable extension slot 30 removes extension slot 30 on valve body 1, then pinches convex
It plays part 29 and rotates capping 27, valve deck 27 can be removed, after valve deck 27 is removed, can will collect the impurity inside miscellaneous slot 26 and export,
The cleaning of presentate can be also carried out to collecting 26 inside of miscellaneous slot simultaneously.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or
Person be the utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model
Simplify description, does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration
And operation, therefore should not be understood as limiting the present invention.It is only used in addition, belonging to " first ", " second ", " third " etc.
Description is distinguished, and cannot be construed as to imply that or imply relative importance.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (9)
1. a kind of counterflow-preventing may filter that ball valve, including valve body (1), the valve body (1) are internally provided with spool (7), the valve body (1)
Both ends are equipped with the extension tube (8) fitted closely with the spool (7) both sides, it is characterised in that：On the inside of one extension tube (8)
Wall is equipped with baffle (12), and the upper and lower ends of the baffle (12) are respectively equipped with upper fixed seat (10) and lower fixed seat (11), institute
State and be equipped with barrier plate (13) between upper fixed seat (10) and the lower fixed seat (11), at the top of the barrier plate (13) with it is described on
Fixed seat (10) is connected by being rotatablely connected component (14), and the spool (7) is internally provided with tilting fixed plate (15), described solid
Connecting plate (18) is connected on fixed board (15), the connecting plate (18) is equipped with filter assemblies (16), filter assemblies (16) packet
The valve plug (20) for being fixed on the screen pack (19) of the connecting plate (18) bottom and being fitted closely with the connecting plate (18) is included,
Be fixed with supporting rod (25) at the top of the spool (7), supporting rod (25) end is equipped with transverse slat (24), the valve plug (20) with
It being connected by telescoping tube (22) between the transverse slat (24), the telescoping tube (22) is internally provided with the first flexible connector (23),
The spool (7) and the valve body (1) bottom are equipped with cleaning assemblies (17).
2. a kind of counterflow-preventing according to claim 1 may filter that ball valve, it is characterised in that：The valve body (1) is prolonged with described
Long tube (8) joint is equipped with sealing element (9).
3. a kind of counterflow-preventing according to claim 1 may filter that ball valve, it is characterised in that：It is equipped at the top of the valve body (1)
Axle sleeve (3), the axle sleeve (3) are internally provided with the valve rod (2) that one end is fixedly connected with the spool (7), valve rod (2) top
Equipped with handle (4), handle (4) end is cased with gum cover (5).
4. a kind of counterflow-preventing according to claim 1 may filter that ball valve, it is characterised in that：The rotation connection component (14)
The second flexible connector (37) including fixed link (36) and in the fixed link (36), second flexible connector
(37) both ends are equipped with extension rod (38), and the barrier plate (13) and fixed seat (10) opposite side are equipped with rod-putting slot
(35), the barrier plate (13) and fixed seat (10) bottom be equipped with by fixed link (36) connect nose bar (6), two
The extension rod (38) is respectively placed in two rod-putting slots (35).
5. a kind of counterflow-preventing according to claim 1 may filter that ball valve, it is characterised in that：The cleaning assemblies (17) includes
The extension slot (30) for being fixed on the miscellaneous slot of collection (26) of the spool (7) bottom and being connected through a screw thread with the valve body (1) bottom,
Miscellaneous slot (26) bottom of collection is connected through a screw thread capping (27), and groove (28), the groove are equipped in the middle part of the capping (27)
(28) it is internally provided with projection piece (29), extension slot (30) bottom is equipped with support base (31), and the support base (31) is equipped with
The mandril (32) connected by bearing (33), mandril (32) top are equipped with the gland fitted closely with the capping (27)
(34)。
6. a kind of counterflow-preventing according to claim 1 may filter that ball valve, it is characterised in that：Barrier plate (13) outer diameter is small
Internal diameter in the extension tube (8).
7. a kind of counterflow-preventing according to claim 4 may filter that ball valve, it is characterised in that：First flexible connector
(23) it is compressible spring, second flexible connector (37) is disk spring.
8. a kind of counterflow-preventing according to claim 1 may filter that ball valve, it is characterised in that：The spool and the connecting plate
(18) place of fitting is equipped with gasket (21).
9. a kind of counterflow-preventing according to claim 8 may filter that ball valve, it is characterised in that：The gasket (21) is rubber
Pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820089633.8U CN207921372U (en) | 2018-01-19 | 2018-01-19 | A kind of counterflow-preventing may filter that ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820089633.8U CN207921372U (en) | 2018-01-19 | 2018-01-19 | A kind of counterflow-preventing may filter that ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207921372U true CN207921372U (en) | 2018-09-28 |
Family
ID=63604909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820089633.8U Expired - Fee Related CN207921372U (en) | 2018-01-19 | 2018-01-19 | A kind of counterflow-preventing may filter that ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207921372U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307349A (en) * | 2019-07-11 | 2019-10-08 | 无锡市爱德阀业股份有限公司 | A kind of anti-down streaming butterfly valve |
-
2018
- 2018-01-19 CN CN201820089633.8U patent/CN207921372U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307349A (en) * | 2019-07-11 | 2019-10-08 | 无锡市爱德阀业股份有限公司 | A kind of anti-down streaming butterfly valve |
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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 |
Granted publication date: 20180928 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |