CN208965651U - A kind of anti-syphon structure of inlet valve - Google Patents
A kind of anti-syphon structure of inlet valve Download PDFInfo
- Publication number
- CN208965651U CN208965651U CN201821167395.4U CN201821167395U CN208965651U CN 208965651 U CN208965651 U CN 208965651U CN 201821167395 U CN201821167395 U CN 201821167395U CN 208965651 U CN208965651 U CN 208965651U
- Authority
- CN
- China
- Prior art keywords
- flow
- water
- intake tunnel
- exhalant canal
- inlet
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 210000004907 gland Anatomy 0.000 claims description 17
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses a kind of anti-syphon structures of inlet valve, including the intake tunnel being sequentially communicated, flow-guiding channel and exhalant canal, it further include a connection or the sealing component for cutting off the intake tunnel and the flow-guiding channel, the water of the intake tunnel flows through the flow-guiding channel and flows downward out to the exhalant canal, and it is formed between the water outlet of the flow-guiding channel and the water inlet end of exhalant canal and is connected to extraneous air inlet, and when the intake tunnel is connected with the exhalant canal, the intake tunnel holding is connected with the air inlet, using diversion mode, and air inlet is arranged in the position between the water outlet of flow-guiding channel and the water inlet end of exhalant canal, the water of intake tunnel can be smoothly introduced into exhalant canal without anti-siphon pad is arranged, structure is simple, save cost, and Europe can be met Inlet valve standard EN1717 requirement.
Description
Technical field
The utility model relates to a kind of anti-syphon structures of inlet valve.
Background technique
The syphon structure of existing inlet valve, is arranged anti-siphon pad on exhalant canal, and when water intake valve passes through hydraulic pressure and makees
Air entry is blocked to prevent from spraying water with by anti-siphon pad, after stopping water inlet, pads self gravity by anti-siphon and own resilient is multiple
Position, anti-siphon air inlet are opened, to make air inlet keep unimpeded to cistern water level to prevent that negative pressure occurs when inlet pipeline
When Water in Water Tank be siphoned into inlet pipeline polluted source, but the structure that anti-siphon pad is arranged is unable to satisfy European inlet valve standard EN
1717 require (European inlet valve standard EN1717 requires cannot have mechanical structured member to block anti-siphon air inlet), and increase
Product cost.
Utility model content
The utility model is to solve the above problems, provide a kind of anti-syphon structure of inlet valve.
To achieve the above object, the technical solution adopted in the utility model are as follows:
A kind of anti-syphon structure of inlet valve is also wrapped including the intake tunnel, flow-guiding channel and exhalant canal being sequentially communicated
It includes a connection or cuts off the sealing component of the intake tunnel and the flow-guiding channel, the water of the intake tunnel flows through described lead
Circulation road is flowed downward out to the exhalant canal, and shape between the water outlet of the flow-guiding channel and the water inlet end of exhalant canal
At the air inlet for having connection extraneous, and when the intake tunnel is connected with the exhalant canal, the intake tunnel holding
It is connected with the air inlet.
Preferably, the flow-guiding channel includes an inverted U-shaped channel, and the water of the intake tunnel flows through the inverted U-shaped channel
Flow downwardly to the exhalant canal.
It preferably, further include the conduit to form the intake tunnel and the gland equipped with the sealing component, the conduit
Upper end forms the water outlet of the intake tunnel, further includes a disk for being set to the conduit upper end, also sets on the disk
There is an annular gear edge, the gland corresponds to annular gear edge and is equipped with an annular groove, and the annular groove and the annular are kept off
Along grafting and clearance fit, and then form the shape of the falling U channel.
Preferably, further include an ontology being set in except the conduit, form institute between the ontology and the conduit
Exhalant canal is stated, forms the air inlet between the ontology and the gland.
Preferably, the entrance of the ontology forms the water inlet end of the exhalant canal, and the inlet of the ontology is equipped with edge
The water conservancy diversion rib longitudinally extended.
Preferably, the outside of the air inlet also compartment of terrain be equipped with a wall, the gland by the wall with it is described
Ontology is fixedly connected.
Preferably, the wall is integrally formed on the gland, and the wall is centered around except the annular groove.
The beneficial effects of the utility model are:
A kind of anti-syphon structure of the inlet valve of the utility model, including be sequentially communicated intake tunnel, flow-guiding channel and
Exhalant canal further includes a connection or the sealing component for cutting off the intake tunnel and the flow-guiding channel, the intake tunnel
Water flow through the flow-guiding channel and flow downward out to the exhalant canal, and the water outlet of the flow-guiding channel and exhalant canal
Water inlet end between be formed with the extraneous air inlet of connection, and when the intake tunnel is connected with the exhalant canal, institute
It states intake tunnel holding to be connected with the air inlet, going out for flow-guiding channel is set using diversion mode, and by air inlet
Position between water end (W.E.) and the water inlet end of exhalant canal, can be by the water of intake tunnel smoothly without anti-siphon pad is arranged
It is introduced into exhalant canal, structure is simple, saves cost, and can meet standard requirements.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and constitutes one of the utility model
Point, the exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the utility model
Improper restriction.In the accompanying drawings:
Fig. 1 is a kind of perspective view of the anti-syphon structure of inlet valve of the utility model embodiment one；
Fig. 2 is a kind of section view of the anti-syphon structure of inlet valve of the utility model embodiment one in anti-siphon air inlet
Figure；
Fig. 3 is a kind of water flow schematic diagram of the anti-syphon structure of inlet valve of the utility model embodiment one in water inlet；
Fig. 4 is a kind of perspective view of the gland of the anti-syphon structure of inlet valve of the utility model embodiment one；
Fig. 5 is a kind of perspective view of the conduit of the anti-syphon structure of inlet valve of the utility model embodiment one；
Fig. 6 is a kind of perspective view of the ontology of the anti-syphon structure of inlet valve of the utility model embodiment one；
Fig. 7 is a kind of perspective view of the conduit of the anti-syphon structure of inlet valve of the utility model embodiment two；
Fig. 8 is a kind of perspective view on the annular gear edge of the anti-syphon structure of inlet valve of the utility model embodiment two.
Specific embodiment
In order to be clearer and more clear technical problem to be solved in the utility model, technical solution and beneficial effect, with
Under in conjunction with the accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
Example is applied only to explain the utility model, is not used to limit the utility model.
Embodiment 1:
As shown in Figures 1 to 6, the anti-syphon structure of a kind of inlet valve, intake tunnel 11, water conservancy diversion including being sequentially communicated are logical
Road 12 and exhalant canal 21 further include the sealing component of a connection or the cutting intake tunnel 11 and the flow-guiding channel 12
30, the water of the intake tunnel 11 flows through the flow-guiding channel 12 and flows downward out to the exhalant canal 21, and the water conservancy diversion
It is formed between the water outlet in channel 12 and the water inlet end of exhalant canal 21 and is connected to extraneous air inlet 40, and the water inlet
When channel 11 is connected with the exhalant canal 21, the holding of intake tunnel 11 is connected with the air inlet 40.
In the present embodiment, the flow-guiding channel 12 includes an inverted U-shaped channel, the water of the intake tunnel 11 flow through it is described fall
U-shaped channel flows downwardly to the exhalant canal 21.
It further include the conduit 10 to form the intake tunnel 11 and the pressure equipped with the sealing component 30 in the present embodiment
Lid 50,10 upper end of conduit form the water outlet of the intake tunnel 11, further include a circle for being set to the conduit upper end
Disk is additionally provided with an annular gear on the disk along 13, specifically, conduit 10, disk and annular gear are integrally formed setting, institute along 13
It states the corresponding annular gear of gland 50 and is equipped with an annular groove 51 along 13, and the annular groove 51 and the annular gear are along 13 grafting
And clearance fit, and then form the inverted U-shaped channel.
It further include an ontology 20 being set in except the conduit 10, the ontology 20 and the conduit in the present embodiment
The exhalant canal 21 is formed between 10, and the air inlet 40 is formed between the ontology 20 and the gland 50, specifically,
The annular groove 51 of gland 50 forms several grooves so that gland 50 forms gap after connecting with ontology 20, and then formed it is described into
Port 40.
In the present embodiment, the entrance of the ontology 20 forms the water inlet end of the exhalant canal 21, and the ontology 20 enters
The water conservancy diversion rib 22 extended longitudinally is equipped at mouthful, so that water flow orderly flows into exhalant canal 21 along the water conservancy diversion rib 22.
In the present embodiment, the outside of the air inlet 40 also compartment of terrain is equipped with a wall 52, and the gland 50 passes through described
Wall 52 is fixedly connected with the ontology 20, specifically, the outer rim of 20 upper end of ontology is equipped with limited block 23, the inner wall of wall 52 is set
There is the limiting slot 521 of clamping engagement corresponding with limited block 23.In the present embodiment, the wall is integrally formed in the gland
On 50, and the wall 52 is centered around except the annular groove 51.
As shown in figure 3, sealing component 30 is connected to the intake tunnel 11 and the flow-guiding channel 12 when water intake valve,
Water flow is entered into and up by conduit 10 flows out to flow-guiding channel 12, and water flows through inverted U-shaped 12 rear steering of flow-guiding channel and flows downward out,
Continue to flow downwardly to the entrance of ontology 20 to which the water flow that the water outlet of flow-guiding channel 12 flows downward out crosses the air inlet 40
And it is orderly flowed into exhalant canal 21 finally to flow out in water tank along the water conservancy diversion rib 22.
As shown in Fig. 2, outside air is by the arrow in Fig. 5 in European inlet valve standard EN 1717 anti-siphon test
Direction is sucked from air inlet 40, then destroys the negative pressure of intake tunnel 11 into intake tunnel 11 along flow-guiding channel 12, into
And inlet valve is made to meet European inlet valve standard EN 1717.
Embodiment 2:
As shown in Figure 7 and Figure 8, the distinctive points of the present embodiment and above-described embodiment are, the conduit 10 ' and disk one
Molding setting, annular gear along 13 ' and the relatively independent setting of the conduit 10 ', and annular gear be integrally formed along 13 equipped with
The protective case that the water stop rubber pad of sealing component contacts.
The preferred embodiment of the utility model has shown and described in above description, as previously described, it should be understood that this is practical new
Type is not limited to forms disclosed herein, and should not be regarded as an exclusion of other examples, and can be used for various other groups
Conjunction, modification and environment, and above-mentioned introduction or the technology of related fields can be passed through within the scope of the inventive concept described herein
Or knowledge is modified.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the utility model, then
It all should be in the protection scope of the appended claims for the utility model.
Claims (7)
1. a kind of anti-syphon structure of inlet valve, which is characterized in that including the intake tunnel, flow-guiding channel and water outlet being sequentially communicated
Channel further includes a connection or the sealing component for cutting off the intake tunnel and the flow-guiding channel, the water of the intake tunnel
The flow-guiding channel is flowed through to flow downward out to the exhalant canal, the water outlet of the flow-guiding channel and the water inlet end of exhalant canal
Between be formed with the extraneous air inlet of connection, and when the intake tunnel is connected with the exhalant canal, the water inlet is led to
Road holding is connected with the air inlet.
2. a kind of anti-syphon structure of inlet valve according to claim 1, which is characterized in that the flow-guiding channel includes one
Inverted U-shaped channel, the water of the intake tunnel flow through the inverted U-shaped channel and flow downwardly to the exhalant canal.
3. a kind of anti-syphon structure of inlet valve according to claim 2, which is characterized in that further include forming the water inlet
The conduit in channel and gland equipped with the sealing component, the conduit upper end forms the water outlet of the intake tunnel, also wraps
A disk for being set to the conduit upper end is included, an annular gear edge is additionally provided on the disk, the gland corresponds to the annular
Gear is along being equipped with an annular groove, and the annular groove and the annular gear be along grafting and clearance fit, and then is formed described inverted U-shaped
Channel.
4. a kind of anti-syphon structure of inlet valve according to claim 3, which is characterized in that further include one be set in it is described
Ontology except conduit forms the exhalant canal between the ontology and the conduit, the ontology and the gland it
Between form the air inlet.
5. a kind of anti-syphon structure of inlet valve according to claim 4, which is characterized in that the entrance of the ontology is formed
The water inlet end of the exhalant canal, the inlet of the ontology are equipped with the water conservancy diversion rib extended longitudinally.
6. a kind of anti-syphon structure of inlet valve according to claim 4, which is characterized in that the outside of the air inlet is also
Compartment of terrain is equipped with a wall, and the gland is fixedly connected by the wall with the ontology.
7. a kind of anti-syphon structure of inlet valve according to claim 6, which is characterized in that the wall is integrally formed
On the gland, and the wall is centered around except the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821167395.4U CN208965651U (en) | 2018-07-23 | 2018-07-23 | A kind of anti-syphon structure of inlet valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821167395.4U CN208965651U (en) | 2018-07-23 | 2018-07-23 | A kind of anti-syphon structure of inlet valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208965651U true CN208965651U (en) | 2019-06-11 |
Family
ID=66748893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821167395.4U Active CN208965651U (en) | 2018-07-23 | 2018-07-23 | A kind of anti-syphon structure of inlet valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208965651U (en) |
-
2018
- 2018-07-23 CN CN201821167395.4U patent/CN208965651U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104994772B (en) | The anti-return component of global general-use | |
| TWM519708U (en) | Drain control valve structure | |
| CN209325113U (en) | Non-return core | |
| CN208965651U (en) | A kind of anti-syphon structure of inlet valve | |
| CN104173012A (en) | Water feeding system of dish-washing machine | |
| CN207437944U (en) | A kind of water conservancy drainage pipeline easy for installation | |
| CN206468855U (en) | Ball check valve | |
| CN206299842U (en) | Vertical Lift Check Valves | |
| CN205411894U (en) | Cardiovascular radiography pipe for internal medicine | |
| CN204520588U (en) | The fixed installation structure of dish-washing machine water softener and respirator | |
| CN204483109U (en) | A kind of drifting fragrance overcoat | |
| CN206130213U (en) | Novel diaphragm valve | |
| CN204628612U (en) | A cut-off valve for silicone pipe | |
| CN208886094U (en) | A kind of anti-siphon means of solenoid valve | |
| CN210857405U (en) | Water discharge structure of water inlet valve | |
| CN2348209Y (en) | Ball check valve | |
| CN208487303U (en) | A kind of high leakproofness closestool adapter tube | |
| CN206655290U (en) | A kind of drainage valve base for accelerating row's speed | |
| CN208474742U (en) | A kind of pipe fitting with metering function | |
| CN206268566U (en) | Non-return constant-current device and magnetic valve | |
| CN205277963U (en) | Flat valve | |
| CN106499842A (en) | The automatic fluid change-over valve of pressure reduction control | |
| WO2013159747A1 (en) | Water tank water inlet valve and water deflector plate | |
| CN204459355U (en) | Leakage-proof type outlet valve | |
| CN209839180U (en) | Prevent pipeline pressure-bearing tee bend structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |