CN207628025U - A kind of filter and its service valve for valve - Google Patents
A kind of filter and its service valve for valve Download PDFInfo
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- CN207628025U CN207628025U CN201721636902.XU CN201721636902U CN207628025U CN 207628025 U CN207628025 U CN 207628025U CN 201721636902 U CN201721636902 U CN 201721636902U CN 207628025 U CN207628025 U CN 207628025U
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- valve
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- cartridge filter
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Abstract
The utility model is related to service valve technical fields, disclose a kind of filter and its service valve for valve.The filter for valve includes outer leaching net, Inner filter net and support plate, the Inner filter net is inserted in outer leaching net, the support plate is fixed on the opening at cartridge filter both ends, and the Inner filter net is the square-mesh screen of stainless steel wire plain weave, and the outer leaching net is punching stainless steel plate.Cartridge filter is designed to double-layer structure by the utility model, structural strength is more preferable, it is unlikely to deform, internal layer uses the Inner filter net good filtration effect of thin stainless steel wire braiding, but its intensity is not high, it is easy the deformation that is crushed, therefore the eurypyloue orifice plate reel of a punching press is redesigned in outer layer, since stomata is larger, the strainer filtering that filtering function compares stainless steel wire braiding wants poor, but the steel plate of punching, intensity is good, it is connected by spot welding, and in the opening spot welding fixed support plate at cartridge filter both ends, to have both filtering fine degree and intensity.
Description
Technical field
The utility model is related to service valve technical fields, more particularly, to a kind of filter for valve and its inspection
Repair valve.
Background technology
The various air valves installed on pipeline, its entrance should installation and repairing valve, for the maintenance of air valve.Maintenance
Valve generally use hand sluice valve or Hand-operated butterfly valve, but it functions only as on or off function, can not be carried out to pipeline medium miscellaneous
Matter filters, and various impurity is usually contained in pipeline medium, especially raw water operating mode, leaf, aquatic weed, various floating materials and
Waste is very common.Once entering air valve, the sealing of air valve lapses impurity in medium, causes air valve long-term
Leak, this will cause serious consequence.
If installing individual service valve and individual filter simultaneously, air valve installation site can be caused substantially to increase,
Even if installing individual filter maintenance also to bother.The failure for occurring sealing leak because of sundries card resistance is most commonly seen, maintenance
When first close the service valve being mounted below air valve, then dismantle and all parts of disintegration air valve carry out sundries cleanings, labour
Intensity is big, and the repair time is long；Lack filtering and buffer unit between air valve and pipeline, when pipeline rapid water filling or occurs disconnected
When flowing water column makes up, biphase gas and liquid flow often can cause air valve to be closed suddenly from air valve ejection, and valve is closed to cause air valve
Water hammer leads to pipeline and equipment damage, or even pipe explosion accident occurs
Since the flow in valve is larger, the requirement to the filter used in valve is very high, needs to take into account filtering essence
Fineness and structural strength, for example, by using the high filter screen of filtering fineness, intensity is easy to be extruded change in valve with regard to inadequate
Shape, if using the filter screen of high intensity, although its intensity is met the requirements, its filtering fineness is low, cannot be satisfied as empty
Air valve is this kind of to the higher valve of filtering requirement, thus filtering fine degree and filter cylinder intensity on produce one it is non-adjustable
The contradiction of sum, there is presently no a filters dedicated for valve.
Invention content
The technical issues of the utility model solves is that filtering can not be had both finely for the filter for being currently used for valve
The problem of degree and structural strength, provide a kind of filter for valve.
The utility model also directed to be currently used for the service valve of air valve there are the problem of, provide and be used for described in a kind of use
The service valve of the filter of valve.
The purpose of this utility model is achieved through the following technical solutions：
A kind of filter for valve is provided, which is characterized in that the filter is the cartridge filter of double-layer structure, including
Outer leaching net, Inner filter net and support plate, the Inner filter net are inserted in outer leaching net, and the support plate is fixed on the opening at cartridge filter both ends
Place, the Inner filter net are the square-mesh screen of stainless steel wire plain weave, and the outer leaching net is punching stainless steel plate.
Cartridge filter is designed to that double-layer structure, internal layer use carefully not by the utility model in order to have both filtering fineness and intensity
The Inner filter net of rust braided steel wire, good filtration effect, but its intensity is not high, is easy the deformation that is crushed, therefore redesign in outer layer
The eurypyloue orifice plate reel of one punching press, since stomata is larger, the strainer filtering that filtering function compares stainless steel wire braiding wants poor,
But the steel plate of punching, intensity is good, to have both filtering fine degree and structural strength.
Preferably, the reel seam of the outer leaching net and Inner filter net is staggered by 180 °, and both ends alignment is fixed by spot welding.
Further double medium filtration resistance is too big in order to prevent, can by calculating the effective discharge area of double-layer leaching net
Ensure in the case of double-layer leaching net, be effectively also greater than by area latus rectum calculating by area, the outer leaching net
Percentage sieving area is about 51.3%, is equivalent to 26 mesh/square feet made in Great Britain, and the Inner filter net percentage sieving area is about
51%, quite 329 mesh of mesh number made in Great Britain/square feet.
The utility model also provides a kind of service valve being equipped with the filter for valve, including service valve and bilayer
One end of the cartridge filter of structure, the service valve is air valve connector, and the other end is pipeline connection port, and the cartridge filter is fixed
In air valve connector lower end and length covering air valve connector, described cartridge filter one end is fixed in service valve, another
Existing hand sluice valve or Hand-operated butterfly valve may be used in the corresponding pipeline connection port in end, wherein service valve.
The utility model applies cartridge filter in service valve, is not necessarily to individually in Pipe installing filter, to avoid sky
Air valve installation site substantially increases, and cartridge filter one end avoids the strainer on cartridge filter directly facing flow pipeline connection port
Impact, improve its service life.
In order to further be convenient for cartridge filter cleaning, safeguard, the service valve is additionally provided with opening, the opening equipped with
The valve deck that the removable seal that is open connects, one end of the cartridge filter are connected on valve deck, and the other end is connected to the recessed of service valve
In slot, to realize in the case where not dismantling air valve, cartridge filter is cleared up online, and overhauls convenient and easy, work
Amount is as few as possible, one can be easily accomplished.
Preferably, the inner surface that the valve deck is contacted with cartridge filter is concave inward structure, which can accommodate one
Divide the sundries blocked by cartridge filter, because being always intended to be rushed at the recess of valve deck by flow by the sundries that cartridge filter blocks,
The maintenance time of cartridge filter can be appropriately extended in this；
Preferably, it is additionally provided with pressure release plug screw on the valve deck, to ensure personal safety when repair and maintenance；The valve deck with
Opening is connected by bolt seal.
Further, the cartridge filter is connected with a reinforcing rib at the port of valve deck, cartridge filter easy to disassemble, more
Further, the reinforcing rib quantity is at least two or more, the stability for improving the intensity of cartridge filter and being connect with valve body.
Further, the service valve outer surface is additionally provided with the observation panel for observing cartridge filter, in order to observe filtering
Whether cylinder blocks, and is convenient for maintenance clean at any time.
Compared with prior art, the utility model has following advantageous effect：
Cartridge filter is designed to double-layer structure by filter of the utility model for valve, and structural strength is more preferable, not variable
Shape, internal layer uses the Inner filter net good filtration effect of thin stainless steel wire braiding, but its intensity is not high, is easy the deformation that is crushed, because
This redesigns the eurypyloue orifice plate reel of a punching press in outer layer, and since stomata is larger, filtering function compares stainless steel wire braiding
Strainer filtering want poor, but the steel plate of punching, intensity is good, is connected by spot welding, and in the opening at cartridge filter both ends point
Fixed support plate is welded, to have both filtering fine degree and intensity.
The utility model retracts conveniently for cartridge filter, and the reinforcing rib convenient for assembly and disassembly is equipped in cartridge filter, takes out valve deck
When cartridge filter can be pulled out by reinforcing rib by valve body, the quantity of reinforcing rib can be arranged to multiple, further increase
The intensity of filter cylinder and the stability being connect with valve body can not only play the role of dismantling cartridge filter, moreover it is possible to reinforce cartridge filter
Intensity, it is more firm to be connect with valve body.
The utility model service valve on-line maintenance is simple, conveniently, it is laborsaving.After the device is installed, the maintenance of air valve is examined
Repair the cleaning reformed into cartridge filter.And to the cleaning of cartridge filter it is very light easy, closing service valve → unscrew valve
The pressure release plug screw covered, release → remove valve deck → by reinforcing rib take out cartridge filter, clear up impurity → installation cartridge filter → dress
Bonnet, is tightened pressure release plug screw → unlatching service valve → maintenance and is completed, and air valve restores normal use.In entire maintenance process
Without dismantling air valve, one man operation is easily accomplished.Either in narrow valve well, or it is above ground level, empty in pipeline
Air valve is higher by the case of pipeline certain altitude, single to safeguard, assist dismounting air without field lifting appliance, without the second people
Valve part, which moves down, to be carried on, and overall process is not contacted with delicate flange sealing element, and attended operation is simple and rapid, great human nature
Change, really realizes light labour-saving on-line maintenance.
The utility model service valve can ensure that air valve is never close caused by impurity invading air valve in use
Envelope fails and air valve drainage occurs, and subsidiary water hammer-resistant function, is conducive to the long-term work of air valve, protective conduit peace
Entirely.
Description of the drawings
Fig. 1 embodiments 1 are used for the filter front view of valve.
1 support plate of Fig. 2 embodiments welds schematic diagram with cartridge filter.
1 outer leaching net structural schematic diagram of Fig. 3 embodiments.
1 Inner filter net structural schematic diagram of Fig. 4 embodiments.
2 cartridge structure schematic diagram of Fig. 5 embodiments.
2 service valve structural schematic diagram of Fig. 6 embodiments.
3 cartridge structure schematic diagram of Fig. 7 embodiments.
Wherein, 1- service valves, 2- air valve connectors, 3- pipeline connection ports, 4- pipelines, 10- cartridge filters, 11- valve decks,
12- bolts, 13- pressure release plug screws, 14- watch windows, 15- are open, 16- support plates, 17- outer leaching nets, 18- Inner filter nets, in 19-,
Outer leaching net spot welding fixed point, 20- support plates and barrel spot welding fixed point, 21- reinforcing ribs, 22- concave inward structures, 23- valve body recess.
Specific implementation mode
The utility model is further described With reference to embodiment.Wherein, being given for example only property of attached drawing
Illustrate, expression is only schematic diagram rather than pictorial diagram, should not be understood as the limitation to this patent；In order to which this reality is better described
With novel embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To ability
For field technique personnel, the omitting of some known structures and their instructions in the attached drawings are understandable.
Embodiment 1
As shown in figures 1-4, the present embodiment provides a kind of filters for valve, using the cartridge filter of double-layer structure, packet
Outer leaching net 17, Inner filter net 18 and support plate 16 are included, Inner filter net 18 is inserted in outer leaching net 17, and respective reel seam presses 180 ° of mistakes
It opens, both ends alignment, it is internal to be fixed according to the progress spot welding of inside and outside strainer spot welding fixed point 19, as shown in Fig. 2, 16 spot welding of support plate
It is fixed on the opening at 10 both ends of cartridge filter, intensity for reinforcing cartridge filter 10 and is safeguarded convenient for assembly and disassembly, wherein outer leaching net 17
According to the punching stainless steel plate required shown in Fig. 3, outer leaching net 17 is made in reel, and reel seam welds are secured, and outer leaching net 17 sieves
Area percentage is about 51.3%, is equivalent to 26 mesh/square feet made in Great Britain；Inner filter net 18 is illustrated in figure 4 0.4mm stainless steel wires
Plain weave square-mesh screen, filter pore size 1x1mm, percentage sieving area are about 51%, and 329 mesh of mesh number quite made in Great Britain/square
Foot, the reel abutment joint of Inner filter net 18 answer firm welding, making to meet the requirements of the standard.
The design principle of the present embodiment is how to take into account the filtering fineness of filter and structural strength, if necessary to full
If sufficient fine filtering requires, filter screen just needs to form using very thin braided steel wire, for example, 0.4mm braided steel wire at
Cartridge filter, but hydraulic pressure is prodigious in valve body is just easy to the deformation that is crushed, the present embodiment is smart in order to have both filtering
Cartridge filter is designed to double-layer structure by fineness and intensity, and internal layer uses the Inner filter net of thin stainless steel wire braiding, good filtration effect, but
It is that its intensity is not high, the deformation that is crushed is easy, therefore the eurypyloue orifice plate reel of a punching press is redesigned in outer layer, due to stomata
Larger, the strainer filtering that filtering function compares stainless steel wire braiding wants poor, but the steel plate of punching, and intensity is good, is connected by spot welding
It connects, and in the opening spot welding fixed support plate at cartridge filter both ends, to have both filtering fine degree and intensity.
But it be easy to cause that resistance is too big using double medium filtration, therefore the present embodiment passes through and calculates the effective of double-layer leaching net and lead to
Cross area, can ensure in the case of double-layer leaching net, be effectively also greater than by area latus rectum calculating by area.
Cartridge filter is designed to double-layer structure by filter of the present embodiment for valve, and structural strength is more preferable, is unlikely to deform,
Internal layer uses the Inner filter net good filtration effect of thin stainless steel wire braiding, but its intensity is not high, is easy the deformation that is crushed, therefore
Outer layer redesigns the eurypyloue orifice plate reel of a punching press, and since stomata is larger, filtering function compares the filter of stainless steel wire braiding
Net filtration wants poor, but the steel plate of punching, and intensity is good, is connected by spot welding, and in the point solid welding of the opening at cartridge filter both ends
Support plate is determined, to have both filtering fine degree and intensity.
Embodiment 2
As shown in Fig. 5~6, the present embodiment provides a kind of service valves of the filter including embodiment 1 for valve, including
The cartridge filter 10 of service valve 1 and double-layer structure, the present embodiment service valve 1 specifically use the hand sluice valve of the prior art, structure
It does not just introduce specifically, one end of service valve 1 is the valve opening that air valve connector 2 is used to connect air valve, can specifically be led to
Flange seal connection is crossed, the other end is pipeline connection port 3, and cartridge filter 10 is fixed on air valve connector lower end and length covers
Air valve connector 2, by lengthening the length of cartridge filter 10, with the effective of the bore bigger connected than matched air valve
Area of passage, 10 one end of cartridge filter are fixed in service valve 1, and the other end corresponds to pipeline connection port 3, the wherein bore of cartridge filter 10
The diameter of inner pipe more than pipeline 4 is needed, just can guarantee filter effect.
The present embodiment cleans for the ease of cartridge filter, safeguards that service valve 1 is additionally provided with opening 15, is equipped with and opens at opening 15
The valve deck 11 of mouth 15 removable seals connection, can specifically be connected, cartridge filter 10 is connected to by the foot of valve deck 11 by bolt 12
In service valve 1,10 one end of specific cartridge filter is connected on the foot of valve deck 11, and the other end is connected to the valve body of 1 seal receptacle of service valve
On groove 23, and port corresponds to the flashboard of hand sluice valve, avoids the strainer on the cartridge filter 10 of double-layer structure directly facing water
The impact of stream improves impact resistance and and the stability that is connect with service valve 1.
The inner surface that the present embodiment is contacted in valve deck 11 with cartridge filter 10 is designed as concave inward structure 22, which can be with
The sundries that a part is blocked by the cartridge filter 10 of double-layer structure is accommodated, because the sundries blocked by the cartridge filter 10 of double-layer structure is total
It is the recess for being intended to be rushed at valve deck by flow, this can be appropriately extended the maintenance time of cartridge filter 10, also be set on valve deck 11
There is pressure release plug screw 13 to ensure personal safety when repair and maintenance.
As shown in figure 5, the present embodiment dismantles cartridge filter 10 for the ease of safeguarding, cartridge filter 10 is set close to one end of valve deck 11
There is reinforcing rib 21, it, can be directly by drawing reinforcing rib 21 quickly to pull out cartridge filter 10 from valve body when opening valve deck 11.
1 outer surface of valve body is additionally provided with the watch window 14 for observing cartridge filter 10, in order to whether observe cartridge filter 10
It blocks, is convenient for maintenance clean at any time.
The present embodiment service valve on-line maintenance is simple, conveniently, it is laborsaving.After the device is installed, the Maintenance and Repair to air valve
The cleaning to cartridge filter is reformed into.And to the cleaning of cartridge filter it is very light easy, closing service valve → unscrew valve deck
On pressure release plug screw, release → remove valve deck → by reinforcing rib takes out cartridge filter, and cleaning impurity → installation cartridge filter → is loaded onto
Valve deck is tightened pressure release plug screw → unlatching service valve → maintenance and is completed, and air valve restores normal use.The nothing in entire maintenance process
Air valve need to be dismantled, one man operation is easily accomplished.Either in narrow valve well, or pipeline is above ground level, air
Valve is higher by the case of pipeline certain altitude, single to safeguard, assist dismounting air valve without field lifting appliance, without the second people
Part, which moves down, to be carried on, and overall process is not contacted with delicate flange sealing element, and attended operation is simple and rapid, great hommization,
Really realize light labour-saving on-line maintenance.
The present embodiment service valve can ensure that air valve never seals caused by impurity invading air valve in use
It fails and air valve drainage occurs, and subsidiary water hammer-resistant function, be conducive to the long-term work of air valve, protective conduit peace
Entirely.
Embodiment 3
As shown in fig. 7, the present embodiment is substantially the same manner as Example 2, the difference is that, the quantity of reinforcing rib 21 is at least
Two, two reinforcing ribs 21 intersect in the cross cartridge filter that is fixed on the port of valve deck, can play embodiment 1
Effect, and the intensity and stability of the cartridge filter of double-layer structure can also be reinforced further via more reinforcing ribs.
Obviously, above-described embodiment is only intended to clearly illustrate the technical solution of the utility model example, and simultaneously
Non- is the restriction to the embodiment of the utility model.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.It is made within the spirit and principle of the present invention
All any modification, equivalent and improvement etc., should be included within the protection of the utility model claims.
Claims (10)
1. a kind of filter for valve, which is characterized in that the filter is the cartridge filter of double-layer structure, including outer filter
Net, Inner filter net and support plate, the Inner filter net are inserted in outer leaching net, and the support plate is fixed on the opening at cartridge filter both ends,
The Inner filter net is the square-mesh screen of stainless steel wire plain weave, and the outer leaching net is punching stainless steel plate.
2. being used for the filter of valve according to claim 1, which is characterized in that the reel of the outer leaching net and Inner filter net connects
Seam is staggered by 180 °, and both ends alignment is fixed by spot welding.
3. being used for the filter of valve according to claim 1, which is characterized in that the outer leaching net sieving area is English system
329 mesh/square feet.
4. being used for the filter of valve according to claim 1, which is characterized in that the Inner filter net sieving area is English system 26
Mesh/square feet.
5. a kind of service valve equipped with for the filter of valve described in Claims 1 to 4 any one, which is characterized in that packet
The cartridge filter of service valve and double-layer structure is included, one end of the service valve is air valve connector, and the other end is pipeline connection port,
The cartridge filter is fixed on air valve connector lower end and length covering air valve connector, and described cartridge filter one end is fixed on
In service valve, the other end corresponds to pipeline connection port.
6. service valve according to claim 5, which is characterized in that the service valve is additionally provided with opening, and the opening is equipped with
The valve deck being connect with opening removable seal, one end of the cartridge filter are connected on valve deck, and the other end is connected to service valve
In groove.
7. service valve according to claim 6, which is characterized in that the inner surface that the valve deck is contacted with cartridge filter is indent knot
Structure.
8. service valve according to claim 6, which is characterized in that be additionally provided with pressure release plug screw on the valve deck.
9. service valve according to claim 6, which is characterized in that the cartridge filter is connected with one at the port of valve deck
Or two or more reinforcing ribs.
10. service valve according to claim 5, which is characterized in that the service valve outer surface is additionally provided with for observing filtering
The observation panel of cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721636902.XU CN207628025U (en) | 2017-11-29 | 2017-11-29 | A kind of filter and its service valve for valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721636902.XU CN207628025U (en) | 2017-11-29 | 2017-11-29 | A kind of filter and its service valve for valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207628025U true CN207628025U (en) | 2018-07-20 |
Family
ID=62854687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721636902.XU Active CN207628025U (en) | 2017-11-29 | 2017-11-29 | A kind of filter and its service valve for valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207628025U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107812403A (en) * | 2017-11-29 | 2018-03-20 | 株洲南方阀门股份有限公司 | A kind of filter and its service valve for valve |
-
2017
- 2017-11-29 CN CN201721636902.XU patent/CN207628025U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107812403A (en) * | 2017-11-29 | 2018-03-20 | 株洲南方阀门股份有限公司 | A kind of filter and its service valve for valve |
| CN107812403B (en) * | 2017-11-29 | 2023-04-28 | 株洲南方阀门股份有限公司 | Filter for valve and overhauling valve thereof |
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