CN206361168U - A kind of water treatment facilities air admission valve - Google Patents
A kind of water treatment facilities air admission valve Download PDFInfo
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- CN206361168U CN206361168U CN201720000691.4U CN201720000691U CN206361168U CN 206361168 U CN206361168 U CN 206361168U CN 201720000691 U CN201720000691 U CN 201720000691U CN 206361168 U CN206361168 U CN 206361168U
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- valve
- pull bar
- water treatment
- treatment facilities
- air admission
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Abstract
The utility model is related to a kind of water treatment facilities, specifically related to a kind of water treatment facilities air admission valve, including housing, the valve seat being fixedly connected with the casing, valve seat upper end is fixed with disc holder, disc holder upper end is provided with end socket, filter screen is fixedly mounted in end socket, pull bar is fixedly mounted in the middle part of flap, axle sleeve is provided with outside pull bar, pull bar is connected by spring with spring retainer seat, spring retainer seat is fixed on axle sleeve upper end, flap is provided with valve clack sealing ring, valve seat bottom edge is provided with valve seat insert, housing side is connected by connecting tube with micro-exhaust valve, water treatment facilities air admission valve of the present utility model, reasonable in design, sealing effectiveness is good, service life is long.
Description
Technical field
The utility model is related to a kind of water treatment facilities field, and in particular to a kind of water treatment facilities air admission valve.
Background technology
Air admission valve is mainly used in clean water or sewage disposal system, is installed on the peak of pipeline or container.When stopping
When pump or Quick drainage, vacuum will be produced in pipeline, now the outer atmospheric pressure of valve is higher than manifold pressure, and air enters in pipeline
Portion destroys vacuum, to prevent pipeline to be flattened.And when turn on pump, the air inside pipeline will pass through micro-exhaust valve discharge pipe
Road, so as to prevent the safety of the generation of water hammer, protective conduit and water pump.
The U of CN 201982741 disclose a kind of Rapid inhalation micro-exhaust valve, including valve body and micro-exhaust valve, valve body
Connected with micro-exhaust valve, Rapid inhalation device is provided with described valve body.
Further technical scheme is that described Rapid inhalation device includes bonnet, valve seat, valve plate, valve shaft and spring, valve
Lid is fixed on the inside of valve body, and bonnet lower end, which is provided with valve seat, bonnet, is provided with valve shaft, and the lower end of valve shaft is connected with valve plate,
Valve plate and valve base sealing, the upper end of valve shaft are provided with locking device, and spring one end is connected with locking device, and the other end connects with valve plate
Connect.Further technical scheme is that described locking device includes adjusting nut and locking nut, adjusting nut and locking nut
It is sequentially fixed at the upper end of valve shaft.Further technical scheme is to be provided with composite shaft sleeve on the outer circumference surface of described valve shaft,
The effect of the composite shaft sleeve is to reduce the abrasion caused when valve shaft is moved up and down.Further technical scheme be described valve plate with
The junction of valve seat is provided with the first sealing so that the sealing effectiveness at sealing is more preferable.Also further technical scheme is described
Valve body and micro-exhaust valve between connected by connecting tube.Further technical scheme is that described body top is provided with
Valve bonnet.Further technical scheme is to be provided with block between described valve body and valve bonnet, it is to avoid it is fast that bits, dust enter this
In fast getter device.The effect reached is：Utility model device can not only play the air in discharge line or container, carry
The transfer efficiency of high liquid, but also can avoid vacuum occur in pipeline or container so that the compressing pipeline of atmospheric pressure or
The problem of causing sunken of person's container.
Such scheme flap causes sealing effectiveness not good so using the longevity due to there is hard contact in actual experiment test
Life is low, and sealing effectiveness is gradually lost, and the setting of valve shaft and spring is unreasonable, causes valve shaft and spring relative offset, and
Simple micro-exhaust valve can not be met sometimes in being vented in some cases the number of drawbacks such as is actually needed.
The content of the invention
To solve problem of the prior art, the utility model provides a kind of water treatment facilities air admission valve.
In order to achieve the above object, the utility model uses following technical scheme：A kind of water treatment facilities vacuum breaking
Valve, including housing, the valve seat being fixedly connected with the casing, valve seat upper end are fixed with disc holder, and disc holder upper end is provided with end socket,
It is fixedly mounted in end socket in the middle part of filter screen, flap and pull bar is fixedly mounted, axle sleeve is provided with outside pull bar, pull bar is limited by spring and spring
Position seat connection, spring retainer seat is fixed on axle sleeve upper end, and flap is provided with valve clack sealing ring, and valve seat bottom edge is provided with valve seat
Sealing ring, housing side is connected by connecting tube with micro-exhaust valve.
The connecting tube is provided with ball valve.
Pressure gauge is fixedly mounted in sealing in the connecting tube.
The valve seat insert width is more than the width of valve clack sealing ring, and valve clack sealing ring is arranged on matched flap
In groove.
The pull bar upper end is provided with elastic jacking block, and elastic jacking block lower end is provided with elastic layer.
The connecting tube is provided with triple valve, triple valve side connection micro-exhaust valve, opposite side connection high-speed exhaust valve.
The pull bar is divided into the first pull bar and the second pull bar, and spring retainer seat opening diameter is more than the first pull bar diameter, bullet
Spring limit base opening diameter is less than the second pull bar diameter.
Water treatment facilities air admission valve of the present utility model, reasonable in design, sealing effectiveness is good, service life
Long, contact surface is equipped with sealing ring above and below flap and valve seat, and sealing ring is installed compared with a contact surface, and sealing effectiveness is better, and
The impulsive force that contact surface is subject in frequent impact is small, extends sealing ring service life, and spring retainer seat one side spring is consolidated
On the other hand be scheduled on its lower end can play a part of limit pull rod, it is to avoid pull bar is offset, and ball valve is located at micro-exhaust valve and shell
Between body import, ball valve can close unlatching in time, so as to open or close micro-exhaust valve, pressure gauge can constantly detect shell
Internal pressure, can be according to the different air bleeding valve of situation selection in pipeline by setting for high-speed exhaust valve and micro-exhaust valve
Efficiently quickly air is discharged.
Brief description of the drawings
Fig. 1 is the utility model cross section structure diagram.
Fig. 2 is triple valve attachment structure schematic diagram in the utility model.
Fig. 3 is valve clack sealing ring attachment structure schematic diagram in the utility model.
Fig. 4 is structural representation at A in the utility model.
Embodiment
The utility model is described in further details below by embodiment, embodiment is only used for illustrating that this practicality is new
Type, is not intended to limit scope of the present utility model.
A kind of water treatment facilities air admission valve as shown in Fig. 1,3,4, including housing 1, are threadably secured with housing 1
The valve seat 3 of connection, the upper end of valve seat 3 is fixed with disc holder 2, and housing 1 is connected by pressing plate fixing bolt 23 with disc holder 2,
Valve base sealing pad 24 is provided between the two, and the upper end of disc holder 2, which is provided with end socket 15, end socket 15, is fixedly mounted filter screen 25, valve
The middle part of valve 7 is fixedly mounted outside pull bar, pull bar by stay-bolt and is provided with axle sleeve 26, and axle sleeve 26 is externally connected with fix bar 8, pull bar
It is connected by spring 9 with spring retainer seat 19, spring retainer seat 19 is fixed on the upper end of axle sleeve 26, spring retainer 19 one side bullets of seat
On the other hand spring is fixed on its lower end can play a part of limit pull rod, it is to avoid pull bar is offset, the edge fixing seal peace of flap 7
Equipped with valve clack sealing ring 6, the bottom edge fixing seal of valve seat 3 is provided with valve seat insert 5, and contact surface is equipped with sealing up and down
Circle, installs sealing ring, sealing effectiveness is better, and the impulsive force that contact surface is subject in frequent impact is small compared with a contact surface,
Extend sealing ring service life.The side of housing 1 is connected by connecting tube 17 with micro-exhaust valve 18.
Connecting tube 17 be provided with ball valve 16, ball valve 16 connection micro-exhaust valve 18, ball valve 16 located at micro-exhaust valve 18 with
Between case entrances, ball valve 16 can close unlatching in time, so as to open or close micro-exhaust valve 18.
The width of valve seat insert 5 is more than the width of valve clack sealing ring 6, and valve clack sealing ring 6 is arranged on matched flap
In groove 28, the height of groove 28 is slightly less than the height of valve clack sealing ring 6, and such crush seal effect is more preferable.
Pull bar upper end is provided with elastic jacking block 12, and the elastic lower end of jacking block 12 is provided with elastic layer 13, and elastic layer 13 can be corrosion-resistant
The high performance elastomeric layer such as rubber, the elastic upper end of jacking block 12 is provided with hex nut 14, plays the work of the elastic jacking block of fixed limitation
With.
Pressure gauge 27 is fixedly mounted in sealing in connecting tube 17, can constantly detect the pressure in housing 1.
Pull bar is divided into the first pull bar 11 and the second pull bar 10, and it is straight that spring retainer 19 opening diameters of seat are more than the first pull bar 11
Footpath, spring retainer 19 opening diameters of seat are less than the diameter of the second pull bar 10, and the length of the first pull bar 11 is pull bar stroke, when stretching
When contracting amount is excessive due to the first pull bar lower end boss 20 by pull bar be limited to spring retainer seat 19 lower ends, so as to prevent due to flap
Sealing ring 6 causes damage with the excessive compression of valve seat insert 5.
A kind of water treatment facilities air admission valve, including housing 1 as shown in Figure 2,3, 4, is threadably secured with housing 1
The valve seat 3 of connection, the upper end of valve seat 3 is fixed with disc holder 2, and housing 1 is connected by pressing plate fixing bolt 23 with disc holder 2,
Valve base sealing pad 24 is provided between the two, and the upper end of disc holder 2, which is provided with end socket 15, end socket 15, is fixedly mounted filter screen 25, valve
The middle part of valve 7 is fixedly mounted outside pull bar, pull bar by stay-bolt and is provided with axle sleeve 26, and axle sleeve 26 is externally connected with fix bar 8, pull bar
It is connected by spring 9 with spring retainer seat 19, spring retainer seat 19 is fixed on the upper end of axle sleeve 26, spring retainer 19 one side bullets of seat
On the other hand spring is fixed on its lower end can play a part of limit pull rod, it is to avoid pull bar is offset, the edge fixing seal peace of flap 7
Equipped with valve clack sealing ring 6, the bottom edge fixing seal of valve seat 3 is provided with valve seat insert 5, and contact surface is equipped with sealing up and down
Circle, installs sealing ring, sealing effectiveness is better, and the impulsive force that contact surface is subject in frequent impact is small compared with a contact surface,
Extend sealing ring service life.The side of housing 1 is connected by connecting tube 17 with micro-exhaust valve 18.
The width of valve seat insert 5 is more than the width of valve clack sealing ring 6, and valve clack sealing ring 6 is arranged on matched flap
In groove 28, the height of groove 28 is slightly less than the height of valve clack sealing ring 6, and such crush seal effect is more preferable.
Pull bar upper end is provided with elastic jacking block 12, and the elastic lower end of jacking block 12 is provided with elastic layer 13, and elastic layer 13 can be corrosion-resistant
The high performance elastomeric layer such as rubber, the elastic upper end of jacking block 12 is provided with hex nut 14, plays the work of the elastic jacking block of fixed limitation
With.
Pressure gauge 27 is fixedly mounted in sealing in connecting tube 17, can constantly detect the pressure in housing 1.
Connecting tube 17 is provided with triple valve 22, and the side of triple valve 22 connection micro-exhaust valve 18, opposite side connection is arranged at a high speed
Air valve 21, high-speed exhaust valve 21 can select CN200520130156.8 air bleeding valve, and micro-exhaust valve 18 can select the patent No.
CN201320582333.0 air bleeding valve, triple valve 22 can realize the freedom of micro-exhaust valve 18 and high-speed exhaust valve 21 easily
Switching, can be high according to the different air bleeding valve of situation selection in pipeline by high-speed exhaust valve 21 and setting for micro-exhaust valve 18
Effect quickly discharges air, and high-speed exhaust valve 21 and micro-exhaust valve 18 are only connected in housing 1 by a connecting tube, compared with two
Side opening, reduces the perforate destruction of housing 1, reduces seal operation amount.
Pull bar is divided into the first pull bar 11 and the second pull bar 10, and it is straight that spring retainer 19 opening diameters of seat are more than the first pull bar 11
Footpath, spring retainer 19 opening diameters of seat are less than the diameter of the second pull bar 10, and the length of the first pull bar 11 is pull bar stroke, when stretching
When contracting amount is excessive due to the first pull bar lower end boss 20 by pull bar be limited to spring retainer seat 19 lower ends, so as to prevent due to flap
Sealing ring 6 causes damage with the excessive compression of valve seat insert 5.
The common structure that the structure that the utility model is not pointed out should know for those skilled in the art, the utility model
The conventional connected mode that the connected mode do not pointed out should know for those skilled in the art.
It is described above, only it is preferred embodiment of the present utility model, is not that other forms are made to the utility model
Limitation, any those skilled in the art are changed or are modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of change.But it is every without departing from technical solutions of the utility model content, it is real according to technology of the present utility model
Any simple modification, equivalent variations and remodeling that confrontation above example is made, still fall within the guarantor of technical solutions of the utility model
Protect scope.
Claims (7)
1. a kind of water treatment facilities air admission valve, including housing（1）, with housing（1）The valve seat being fixedly connected（3）, valve seat
（3）Upper end is fixed with disc holder（2）, disc holder（2）Upper end is provided with end socket（15）, end socket（15）Interior fixed installation filter screen
（25）, flap（7）Middle part is fixedly mounted outside pull bar, pull bar and is provided with axle sleeve（26）, pull bar passes through spring（9）With spring retainer seat
（19）Connection, spring retainer seat（19）It is fixed on axle sleeve（26）Upper end, flap（7）Valve clack sealing ring is installed（6）, valve seat（3）
Bottom edge is provided with valve seat insert（5）, housing（1）Side passes through connecting tube（17）With micro-exhaust valve（18）It is connected.
2. water treatment facilities air admission valve according to claim 1, it is characterised in that：The connecting tube（17）On set
There is ball valve（16）.
3. water treatment facilities air admission valve according to claim 1, it is characterised in that：The connecting tube（17）It is upper close
Pressure gauge is fixedly mounted in envelope（27）.
4. water treatment facilities air admission valve according to claim 1, it is characterised in that：The valve seat insert（5）
Width is more than valve clack sealing ring（6）Width, valve clack sealing ring（6）It is arranged on matched flap groove（28）It is interior.
5. water treatment facilities air admission valve according to claim 1, it is characterised in that：The pull bar upper end is provided with bullet
Property jacking block（12）, elastic jacking block（12）Lower end is provided with elastic layer（13）.
6. water treatment facilities air admission valve according to claim 1, it is characterised in that：The connecting tube（17）On set
There is triple valve（22）, triple valve（22）Side connects micro-exhaust valve（18）, opposite side connection high-speed exhaust valve（21）.
7. water treatment facilities air admission valve according to claim 1, it is characterised in that：The pull bar is divided into the first drawing
Bar（11）With the second pull bar（10）, spring retainer seat（19）Opening diameter is more than the first pull bar（11）Diameter, spring retainer seat
（19）Opening diameter is less than the second pull bar（10）Diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720000691.4U CN206361168U (en) | 2017-01-03 | 2017-01-03 | A kind of water treatment facilities air admission valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720000691.4U CN206361168U (en) | 2017-01-03 | 2017-01-03 | A kind of water treatment facilities air admission valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206361168U true CN206361168U (en) | 2017-07-28 |
Family
ID=59378759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720000691.4U Active CN206361168U (en) | 2017-01-03 | 2017-01-03 | A kind of water treatment facilities air admission valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206361168U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113802644A (en) * | 2021-09-18 | 2021-12-17 | 蓝深集团股份有限公司 | Non-negative pressure steady flow tank |
-
2017
- 2017-01-03 CN CN201720000691.4U patent/CN206361168U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113802644A (en) * | 2021-09-18 | 2021-12-17 | 蓝深集团股份有限公司 | Non-negative pressure steady flow tank |
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