CN205918956U - Return water pressure relief device is prevented to pipeline - Google Patents
Return water pressure relief device is prevented to pipeline Download PDFInfo
- Publication number
- CN205918956U CN205918956U CN201620987664.6U CN201620987664U CN205918956U CN 205918956 U CN205918956 U CN 205918956U CN 201620987664 U CN201620987664 U CN 201620987664U CN 205918956 U CN205918956 U CN 205918956U
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- water
- pipeline
- backwater
- diaphragm seal
- conservancy diversion
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Abstract
The utility model discloses a return water pressure relief device is prevented to pipeline, the device is including the pipeline, the pipeline is including end and the play water end (W. E. ) of intaking, be equipped with in the pipeline and prevent return water mechanism, prevent that return water mechanism includes: wear the cover in the pipeline and with pipe inner wall fixed connection's ring support, be equipped with water conservancy diversion portion on the ring support, set up the water conservancy diversion mouth that the body that supplies water passes through in the water conservancy diversion portion, set up a gasket that goes out water end (W. E. ) one side in water conservancy diversion portion orientation, be equipped with between water conservancy diversion portion and the gasket and be used for the coupling mechanism that is connected both, the gasket has that receive ordering about of coupling mechanism and the backed -up water level of preventing on water conservancy diversion portion terminal surface is established to the lid to and advanced that water end rivers order about and with the water level of crossing of water conservancy diversion portion terminal surface separation. The utility model discloses a gasket shelters from water conservancy diversion mouth department, can play the effect that prevents the water backward flow, avoids the backflow water body to cause the pollution to the water effectively. The utility model discloses simple structure, multiple functions such as effect moreover have the automatically regulated flow, prevent to overshoot.
Description
Technical field
This utility model belongs to valve technology field and in particular to a kind of pipeline anti-backwater decompressor.
Background technology
In the existing home appliance such as washing machine, dish-washing machine, intelligent water toilet pan, need to use water valve to control entering of water body
Go out and water flow size, because hydraulic pressure has no small difference in different regions, and with the presence of area hydraulic pressure not
Steady situation.And do not have hydraulic pressure, hydraulic pressure unstable or intake pressure drastically decline in the case of when, in home appliance water inlet end and
Water side will produce a negative pressure, because, under suction function, the water inlet end of home appliance can produce siphonage so that family
Water backflow in electric equipment, the water body of backflow will pollute the water resource of water inlet end.And when water body pressure increases suddenly sometimes,
If it is improper to control, also can cause to overshoot effect so that home appliance damages.
Ask although also having and taking different technical schemes to solve anti-overshoot and the backflow of anti-water-stop body etc. in prior art
Topic, but existing technical scheme effect on driving birds is not good, structure is relatively complicated, does not have the universal suitability, and high cost, general
Property poor, make trouble, product structure is complicated, assembly process complicated, it is impossible to still can not efficiently solve therefore in prior art
The problems such as in the existing home appliance such as washing machine, dish-washing machine, intelligent water toilet pan, anti-water-stop body overshoot and anti-water-stop body flow back.
Utility model content
In order to solve the above problems, this utility model provides a kind of pipeline anti-backwater decompressor, effectively anti-water-stop body
The phenomenon of overshoot and the backflow of anti-water-stop body occurs.
The technical solution of the utility model is: a kind of anti-backwater decompressor of pipeline, including pipeline, described pipeline include into
Water end (W.E.) and water side, are provided with anti-backwater mechanism in described pipeline, described anti-backwater mechanism includes:
It is set in the ring support being fixedly connected in pipeline and with inner-walls of duct, described ring support is provided with diversion division, described water conservancy diversion
The flow-guiding mouth passing through for water body is offered on portion；
It is arranged at diversion division towards the diaphragm seal of water side side；
It is provided with the bindiny mechanism for being connected both, described diaphragm seal has by even between described diversion division and diaphragm seal
The ordering about and cover the anti-backed-up water level being located on water conservancy diversion end surface of access node structure, and ordered about by water inlet end current and with water conservancy diversion end surface
Detached water level excessively.
This utility model diaphragm seal can be made using having necessarily elastically-deformable elastomeric material, if water side side
Water body backflow when, compacted lid is located on water conservancy diversion end surface diaphragm seal, flow-guiding mouth closure is set so that the water body flowing back not
Flow-guiding mouth can be passed through, thus playing the effect of anti-backwater.
When water body is after water inlet end enters in pipeline, under the ordering about of current, diaphragm seal is driven to divide with water conservancy diversion end surface
From so that forming water space between diaphragm seal and water conservancy diversion end surface, now, water body will enter water space at flow-guiding mouth,
Flow out eventually through water space excessively and via water side.If water velocity is larger, diaphragm seal may also operate as certain anti-mistake
Punching acts on.
Preferably, being provided with diversion mechanism in described flow-guiding mouth, described diversion mechanism is by multiple equal along flow-guiding mouth circumference
Point water muscle composition of even arrangement, the region surrounding between two points of adjacent water muscle and flow-guiding mouth inner peripheral surface forms and passes through for water body
Diffluence pass.The water body entering from water inlet end can be split into multiple current by multiple diffluence pass, if the hydraulic pressure at water inlet end is relatively
When big, partial pressure effect can be played by this structure, prevent the generation of overshoot phenomenon.
In this utility model the connected mode of diaphragm seal and diversion division have multiple, preferably, described point of water muscle is from water outlet
End side extends towards water inlet end side and forms positioning boss, and described bindiny mechanism includes:
The location hole being opened on positioning boss and arranging along water (flow) direction；
The locating dowel being arranged on diaphragm seal and being slidably matched with location hole inwall；
Described locating dowel is provided with for preventing locating dowel from the anti-falling piece of positioning in the hole abjection away from one end of diaphragm seal.
When water body enter from water inlet end fashionable, water (flow) direction by drive locating dowel in positioning in the hole from water inlet end side towards going out
Water end (W.E.) one lateral movement, because locating dowel is arranged on diaphragm seal, therefore drives diaphragm seal to separate with the end face of diversion division, thus
Water body is passed through in ring support.When water body is when water outlet extreme direction is back in ring support, diaphragm seal is close in the presence of hydraulic pressure
Capping is on water conservancy diversion end surface so that the water body of water side side cannot be back to water inlet end side.
So that this utility model has preferably anti-overshoot effect, preferably, being additionally provided with anti-mistake in described pipeline
Punch mechanism.
In this utility model, anti-punch mechanism of crossing has multiple structural forms, preferably, described anti-punch mechanism of crossing includes:
Decompression circle, be covered on described diversion division towards on the end face of water inlet end side, described decompression circle centre bore and lead
Head piece is correspondingly arranged；
Baffle plate, is covered on decompression circle towards on the end face of water inlet end side, described baffle plate offers multiple and diffluence pass
The water inlet being correspondingly arranged；
Described ring support is provided with, towards one end of water inlet end, the strong release mechanism matching with baffle plate edge, and described strong release mechanism drives
Dynamic baffle plate fits in the circle compression that reduces pressure on water conservancy diversion end surface.
Water body enters fashionable from water inlet end, if water body pressure is larger, water body first enters via the multiple water inlets on baffle plate,
Multiple water inlets make water body produce shunting, reduce water body hydraulic pressure, after the water inlet that water body passes through on baffle plate, promotion are subtracted
Trim ring deforms upon, and decompression circle applies counteracting force to water body while deforming upon, and thereby serves to reduce the effect of hydraulic pressure.
So that there is the deformation of suitable size in decompression circle, preferably, described diversion division is towards water inlet end side
End face forms curved end from water inlet end side towards water side curving.It is suitable that curved end can retain and decompression circle between
Deformation space, play the effect effectively reducing hydraulic pressure.
The end face of be aligned diversion division so that decompression circle is closely fitted, preferably, described ring support is provided with annular
Groove, described decompression circle is provided with the annular boss matching with annular groove.
In this utility model, strong release mechanism can adopt multiple structural forms, preferably, described strong release mechanism is by arranging
In the spacing ring composition of ring support inwall, described baffle plate is provided with the first defining flange matching with spacing ring.
Preferably, described baffle plate is provided with multiple positioning being circumferentially evenly arranged with the position corresponding position of point water muscle
Projection, described positioning convex passes through the centre bore of decompression circle and extends to a point end face for water muscle.
Preferably, described point of water muscle is 8.
Preferably, described positioning convex is 5.If baffle plate rotates, 5 positioning convex can at least ensure 3
Individual positioning convex is with wherein 3 points water muscle corresponding matching so that baffle plate keeps at grade.
Preferably, described diaphragm seal is arc diaphragm seal, the external diameter of described arc diaphragm seal is more than the diameter of flow-guiding mouth.
Preferably, being provided with the second defining flange in locating dowel between described arc diaphragm seal and ring support.
Preferably, described inner-walls of duct and ring support outer wall interference fit.
Compared with prior art, the beneficial effects of the utility model are embodied in:
(1) this utility model is blocked at flow-guiding mouth by diaphragm seal, can play the effect of anti-water-stop body backflow, effectively
Avoid flow back water body water body is polluted.Present configuration is simple, and has flow automatic regulation, prevents from overshooting effect
Deng multi-functional.
(2) range of application of the present invention is wider, in addition to being applied to water body, can also be applied to the current control of other fluids
System, the present invention can be used alone it is also possible to be installed in valve.
Brief description
Fig. 1 is structural representation of the present utility model.
The structural representation of ring support in this utility model of Fig. 2 position.
Fig. 3 is the structural representation of diaphragm seal in this utility model.
Fig. 4 is the structural representation of the circle that reduces pressure in this utility model.
Fig. 5 is the structural representation of baffle plate in this utility model.
Fig. 6 is the structural representation of this utility model water inlet end side.
Fig. 7 is the structural representation of this utility model water side side.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is described further.
As shown in Figure 1 and Figure 7, this utility model includes pipeline 1, and pipeline 1 includes water inlet end 11 and water side 12, pipeline
It is provided with anti-backwater mechanism, this utility model Zhong Fang backwater mechanism includes in 1:
It is set in the ring support 2 being fixedly connected in pipeline 1 and with pipeline 1 inwall, ring support 2 is provided with diversion division 21, diversion division
The flow-guiding mouth 211 passing through for water body is offered on 21；
It is arranged at diversion division 21 towards the diaphragm seal 3 of water side 12 side；
It is provided with the bindiny mechanism for being connected both, diaphragm seal 3 has to be tied by connection between diversion division 21 and diaphragm seal 3
Ordering about of structure and cover the anti-backed-up water level being located on diversion division 21 end face, and ordered about by water inlet end 11 current and with diversion division 21 end
Face is detached to cross water level.
Pipeline 1 inwall and ring support 2 outer wall interference fit in this utility model.This utility model diaphragm seal 3 can be using tool
Necessarily elastically-deformable elastomeric material is had to make, if during the water body backflow of water side 12 side, compacted lid is located at by diaphragm seal 3
On diversion division 21 end face, flow-guiding mouth 211 closure is set, so that the water body of backflow can not pass through flow-guiding mouth 211, thus rising
Effect to anti-backwater.
When water body is after water inlet end 11 enters in pipeline 1, under the ordering about of current, drive diaphragm seal 3 and diversion division 21
End face separates so that forming water space between diaphragm seal 3 and diversion division 21 end face, and now, water body will enter at flow-guiding mouth 211
Entered water space, flowed out eventually through water space and via water side 12.If water velocity is larger, diaphragm seal 3 could also function as
To certain anti-overshoot effect.
As shown in Fig. 2 being provided with diversion mechanism 22 in flow-guiding mouth 211 in this utility model, diversion mechanism 22 by multiple along
Point water muscle 221 that circumference is evenly arranged forms, the area surrounding between two points of adjacent water muscle 221 and flow-guiding mouth 211 inner peripheral surface
The diffluence pass 222 that domain formation is passed through for water body.Generally, water muscle 221 is divided to be 8.The water body entering from water inlet end 11 can
To be split into multiple current by multiple diffluence pass 222, if the hydraulic pressure at water inlet end is larger, partial pressure can be played by this structure
Effect, the generation of preventing and treating overshoot phenomenon.
As shown in Figure 1 and Figure 7, in this utility model, diaphragm seal 3 and the connected mode of diversion division 21 have multiple, the present embodiment
In point water muscle 221 extend towards water inlet end 11 side from water side 12 side and form positioning boss 223, connect in this utility model
Mechanism includes: the location hole 224 being opened on positioning boss 223 and arranging along water (flow) direction；Be arranged on diaphragm seal 3 and with
The locating dowel 31 that location hole 224 inwall is slidably matched；Locating dowel 31 is provided with for preventing locating dowel away from one end of diaphragm seal 3
31 anti-falling pieces 32 deviate from location hole 224.When water body enter from water inlet end fashionable, water (flow) direction will drive locating dowel positioning
From water inlet end 11 side towards water side 12 1 lateral movement in hole 224, because locating dowel 31 is arranged on diaphragm seal, therefore drive
Dynamic sealing piece 3 is separated with the end face of diversion division 21, so that water body passes through in ring support 2.When water body is from water side 12 direction
When being back in ring support 2, diaphragm seal 3 in the presence of hydraulic pressure closure on diversion division 21 end face so that water side side
Water body cannot be back to water inlet end 11 side.
As shown in figures 1 and 3, in this utility model, diaphragm seal 3 can be arc diaphragm seal, and the external diameter of arc diaphragm seal is big
Diameter in flow-guiding mouth 211.Second defining flange 311 is provided with the locating dowel 31 between arc diaphragm seal and ring support 4.
So that this utility model has preferably anti-overshoot effect, in pipeline 1 in this utility model, it is additionally provided with anti-mistake
Punch mechanism.In this utility model, anti-punch mechanism of crossing has multiple structural forms, as shown in figures 1 to 6, anti-overshoot in this utility model
Mechanism includes:
Decompression circle 4, be covered on diversion division 21 towards on the end face of water inlet end 11 side, decompression circle 4 centre bore 41 with lead
Head piece 211 is correspondingly arranged；
Baffle plate 5, is covered on decompression circle 4 towards on the end face of water inlet end 11 side, baffle plate 5 offers multiple and diffluence pass
The water inlet 51 that 222 are correspondingly arranged；
Ring support 1 is provided with, towards one end of water inlet end 11, the strong release mechanism 24 matching with baffle plate 5 edge, and strong release mechanism 24 drives
Dynamic baffle plate 5 fits in circle 4 compression that reduces pressure on diversion division 21 end face.
Water body enters fashionable from water inlet end 11, if water body pressure is larger, water body first enters via the multiple water inlets on baffle plate 5
Enter, multiple water inlets 51 make water body produce shunting, reduce water body hydraulic pressure, after the water inlet 51 that water body passes through on baffle plate 5,
Decompression circle 4 will be promoted to deform upon, decompression circle 4 applies counteracting force to water body while deforming upon, and thereby serves to reduce
The effect of hydraulic pressure.
As shown in Figure 1 and Figure 4, so that the deformation of the decompression circle 4 suitable size of generation, diversion division 21 is towards water inlet end 11
The end face of side forms curved end from water inlet end 11 side towards water side 12 curving.Curved end can be with decompression circle 4
Between keep suitable deformation space, play the effect effectively reducing hydraulic pressure.So that the close laminating of decompression circle 4 is right
The end face of quasi- diversion division 21, ring support 2 is provided with annular groove 23, and decompression circle 4 is provided with the annular matching with annular groove 23
Boss 42.
As shown in figure 1, strong release mechanism 24 is made up of the spacing ring being arranged at ring support 2 inwall, on baffle plate 5 in this utility model
It is provided with the first defining flange 53 matching with spacing ring.
As shown in Figure 1 and Figure 5, in this utility model the position corresponding position of baffle plate 5 and point water muscle 221 be provided with multiple along
The positioning convex 52 that circumference is evenly arranged, positioning convex 52 passes through the centre bore 41 of decompression circle 4 and extends to a point end for water muscle 221
Face.Positioning convex 52 is 5.If baffle plate 5 rotates, 5 positioning convex can at least ensure 3 positioning convex 52 and its
In 3 points of water muscle 221 corresponding matching so that baffle plate 5 keeps at grade.
The above makes preferred implementation of the present utility model, for the person of ordinary skill of the art without departing from
On the premise of this utility model, some modifications and improvement can also be made, these also should be regarded as protection domain of the present utility model.
Claims (10)
1. the anti-backwater decompressor of a kind of pipeline, including pipeline, described pipeline includes water inlet end and water side, and its feature exists
In being provided with anti-backwater mechanism in described pipeline, described anti-backwater mechanism includes:
It is set in the ring support being fixedly connected in pipeline and with inner-walls of duct, described ring support is provided with diversion division, on described diversion division
Offer the flow-guiding mouth passing through for water body；
It is arranged at diversion division towards the diaphragm seal of water side side；
It is provided with the bindiny mechanism for being connected both, described diaphragm seal has by connection machine between described diversion division and diaphragm seal
Ordering about of structure and cover the anti-backed-up water level being located on water conservancy diversion end surface, and ordered about by water inlet end current and separate with water conservancy diversion end surface
Cross water level.
2. the anti-backwater decompressor of pipeline as claimed in claim 1 is it is characterised in that be provided with shunting machine in described flow-guiding mouth
Structure, described diversion mechanism is made up of along point water muscle that flow-guiding mouth circumference is evenly arranged multiple, adjacent two points of water muscle with lead
The diffluence pass that the region formation surrounding between head piece inner peripheral surface is passed through for water body.
3. the anti-backwater decompressor of pipeline as claimed in claim 2 is it is characterised in that described point of water muscle is from water side side court
Water inlet end side and extend formation positioning boss, described bindiny mechanism includes:
The location hole being opened on positioning boss and arranging along water (flow) direction；
The locating dowel being arranged on diaphragm seal and being slidably matched with location hole inwall；
Described locating dowel is provided with for preventing locating dowel from the anti-falling piece of positioning in the hole abjection away from one end of diaphragm seal.
4. described pipeline anti-backwater decompressor as arbitrary in claims 1 to 3 is it is characterised in that be additionally provided with described pipeline
Anti- punch mechanism excessively.
5. the anti-backwater decompressor of pipeline as claimed in claim 4 is it is characterised in that described anti-punch mechanism of crossing includes:
Decompression circle, is covered on described diversion division towards on the end face of water inlet end side, centre bore and flow-guiding mouth that described decompression is enclosed
It is correspondingly arranged；
Baffle plate, is covered on decompression circle towards on the end face of water inlet end side, described baffle plate offers multiple corresponding with diffluence pass
The water inlet of setting；
Described ring support is provided with, towards one end of water inlet end, the strong release mechanism matching with baffle plate edge, and described strong release mechanism drives gear
Plate fits in the circle compression that reduces pressure on water conservancy diversion end surface.
6. the anti-backwater decompressor of the pipeline as described in claim 1 or 5 is it is characterised in that described diversion division is towards water inlet end
The end face of side forms curved end from water inlet end side towards water side curving.
7. the anti-backwater decompressor of pipeline as claimed in claim 5 is it is characterised in that described ring support is provided with annular groove,
Described decompression circle is provided with the annular boss matching with annular groove.
8. the anti-backwater decompressor of pipeline as claimed in claim 5 is it is characterised in that described strong release mechanism is by being arranged at ring support
The spacing ring composition of inwall, described baffle plate is provided with the first defining flange matching with spacing ring.
9. the anti-backwater decompressor of pipeline as claimed in claim 5 is it is characterised in that the position pair of described baffle plate and point water muscle
Multiple positioning convex being circumferentially evenly arranged should be provided with place, described positioning convex passes through the centre bore of decompression circle and extends
End face to point water muscle.
10. the anti-backwater decompressor of pipeline as claimed in claim 1 it is characterised in that described diaphragm seal be arc diaphragm seal,
The external diameter of described arc diaphragm seal is more than the diameter of flow-guiding mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620987664.6U CN205918956U (en) | 2016-08-29 | 2016-08-29 | Return water pressure relief device is prevented to pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620987664.6U CN205918956U (en) | 2016-08-29 | 2016-08-29 | Return water pressure relief device is prevented to pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205918956U true CN205918956U (en) | 2017-02-01 |
Family
ID=57869843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620987664.6U Active CN205918956U (en) | 2016-08-29 | 2016-08-29 | Return water pressure relief device is prevented to pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205918956U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108119323A (en) * | 2018-02-06 | 2018-06-05 | 安徽仁智电子科技有限公司 | Plunger type metering pump |
| CN113882120A (en) * | 2020-07-01 | 2022-01-04 | 青岛海尔滚筒洗衣机有限公司 | Automatic detergent putting device and washing equipment |
-
2016
- 2016-08-29 CN CN201620987664.6U patent/CN205918956U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108119323A (en) * | 2018-02-06 | 2018-06-05 | 安徽仁智电子科技有限公司 | Plunger type metering pump |
| CN113882120A (en) * | 2020-07-01 | 2022-01-04 | 青岛海尔滚筒洗衣机有限公司 | Automatic detergent putting device and washing equipment |
| CN113882120B (en) * | 2020-07-01 | 2023-10-20 | 重庆海尔滚筒洗衣机有限公司 | Automatic detergent throwing device and washing equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Return water pressure relief device is prevented to pipeline Effective date of registration: 20171215 Granted publication date: 20170201 Pledgee: Agricultural Bank of China Limited by Share Ltd Jinhua Economic Development Zone Branch Pledgor: JINHUA HONGCHANG ELECTRICAL EQUIPMENT CO., LTD. Registration number: 2017330000221 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20181211 Granted publication date: 20170201 Pledgee: Agricultural Bank of China Limited by Share Ltd Jinhua Economic Development Zone Branch Pledgor: JINHUA HONGCHANG ELECTRICAL EQUIPMENT CO., LTD. Registration number: 2017330000221 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CP03 | Change of name, title or address |
Address after: 321000 No. 788 Xinhong Road, Qiubin Street, Wucheng District, Jinhua City, Zhejiang Province Patentee after: Zhejiang Hongchang Electrical Appliance Technology Co., Ltd. Address before: 321017 No. 161 Binhong West Road, Wucheng District, Jinhua City, Zhejiang Province Patentee before: JINHUA HONGCHANG ELECTRICAL EQUIPMENT CO., LTD. |
|
| CP03 | Change of name, title or address |