CN204608920U - A kind of high reliability anti-syphon valve inlet - Google Patents
A kind of high reliability anti-syphon valve inlet Download PDFInfo
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- CN204608920U CN204608920U CN201520321995.1U CN201520321995U CN204608920U CN 204608920 U CN204608920 U CN 204608920U CN 201520321995 U CN201520321995 U CN 201520321995U CN 204608920 U CN204608920 U CN 204608920U
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- siphon
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Abstract
The utility model discloses a kind of high reliability anti-syphon valve inlet, comprise outlet pipe, water inlet pipe, water stop rubber pad, anti-siphon pad, gripper shoe and stop cover, this stop cover is formed with air inlet, this water inlet pipe upper limb is also formed with first ring muscle, this gripper shoe is between first ring muscle and stop cover, this water stop rubber pad supports and the outlet of salable water inlet pipe by gripper shoe, this gripper shoe is also formed with the second ring muscle, flow-guiding channel is formed between this first ring muscle and the second ring muscle, this flow-guiding channel is connected with water inlet pipe when water stop rubber pad is washed open by current, this anti-siphon pad between flow-guiding channel and air inlet to seal the primary outlet of air inlet or flow-guiding channel, auxiliary communication passage is also provided with between this flow-guiding channel and outlet pipe.The utility model can not only realize the function of anti-siphon, but also solves low pressure and enter water problem, and it is simple and be convenient to the feature of assembling to have structure.
Description
Technical field
The utility model relates to closestool water inlet valve field, and what be specifically related to is a kind of high reliability anti-syphon valve inlet.
Background technology
The water intaking valve of water-closet tank is all directly connected with water supply pipe, when water supply pipe cutout or when being in low water pressure condition, connected water intaking valve can produce negative pressure and cause the water in toilet cistern to flow backward in water supply pipe based on siphon principle, and then the clean water in pollution water supply pipe, based on this reason, current water intaking valve all requires to have anti-siphon function.
The open anti-siphon water inlet valve for water tank of Chinese patent literature CN201762792U, it comprises outlet pipe, water inlet pipe, shunting disk, gland, water stop rubber pad and anti-siphon rubber cushion, this gland top sides is along being provided with some air inlets, this shunting disk edge is provided with the pod apertures of its top of some connections and bottom, is provided with and can moves up shutoff air inlet or move down the anti-siphon rubber cushion of shutoff pod apertures between this shunting disk and gland.When water inlet pipe is intake, current can wash water stop rubber pad open, to enter in the pod apertures of shunting disk and to eject, and the anti-siphon rubber cushion of the water impact ejected makes it move up to block the air inlet of gland, and current like this also can not produce any leakage; When the water supply pipe be connected with water inlet pipe stops, anti-siphon rubber cushion moves down the air inlet opening gland, and the refluence hole on shutoff shunting disk, makes outside air be communicated with exhalant canal through air inlet, blocks siphon and avoids the water in water tank to reflux.
Above-mentioned patent document can solve the problem of anti-siphon really, but, when inertia due to water causes water outlet to form negative pressure, anti-siphon pad is easy to hold, namely anti-siphon pad is attached to seal pod apertures in above-mentioned pod apertures tightly, and the hydraulic pressure so once next water inlet is lower, then have the possibility that anti-siphon pad is not opened in punching, and then do not realize water inlet, have impact on quality and the performance of whole water intaking valve.
For the problems referred to above, the applicant's hammer away, has this case to produce then.
Utility model content
Main purpose of the present utility model is to provide a kind of high reliability anti-syphon valve inlet, with solve prior art exist when realizing anti-siphon function hydraulic pressure lower time cannot realize into water problem.
In order to reach above-mentioned purpose, solution of the present utility model is:
A kind of high reliability anti-syphon valve inlet, wherein, comprise outlet pipe, water inlet pipe, water stop rubber pad, anti-siphon pad, gripper shoe and stop cover, this stop cover is formed with air inlet, this water inlet pipe upper limb is also formed with first ring muscle, this gripper shoe is between first ring muscle and stop cover, this water stop rubber pad supports and the outlet of salable water inlet pipe by gripper shoe, this gripper shoe is also formed with the second ring muscle, flow-guiding channel is formed between this first ring muscle and the second ring muscle, this flow-guiding channel is connected with water inlet pipe when water stop rubber pad is washed open by current, this anti-siphon pad between flow-guiding channel and air inlet to seal the primary outlet of air inlet or flow-guiding channel, auxiliary communication passage is also provided with between this flow-guiding channel and outlet pipe.
Further, this auxiliary communication passage is the breach being formed in the second ring muscle surface.
Further, this stop cover is also formed with protuberance, this anti-siphon cushion cover is established over the projections, and this anti-siphon pad soffit corresponds to the primary outlet of flow-guiding channel, and this anti-siphon pad upper surface corresponds to the air inlet of stop cover.
Further, this anti-siphon pad ringwise, is also formed with lip portions towards air inlet direction at anti-siphon pad inner ring place.
After adopting said structure, a kind of high reliability anti-syphon valve inlet that the utility model relates to, when normal water outlet, the current of water inlet pipe enter into flow-guiding channel after washing water stop rubber pad open, eject from flow-guiding channel primary outlet, the anti-siphon pad of the water impact ejected, now anti-siphon pad will seal air inlet, the water inlet will realized by outlet pipe water tank by the current of anti-siphon pad; Once occur situations such as such as cutting off the water supply, anti-siphon pad can cover the primary outlet of flow-guiding channel under suction function, the water in water tank is allowed not easily to be back in water inlet pipe, and when resuming water supply, owing to being also provided with auxiliary communication passage between this flow-guiding channel and outlet pipe, this auxiliary communication passage is used for the pressure balancing anti-siphon pad both sides to a certain extent, allows low-pressure water also relatively easily wash anti-siphon pad open, and then when guaranteeing that hydraulic pressure is lower, water inlet is more unobstructed.
In addition, the utility model its only need to adopt above-mentioned several parts can realize anti-siphon function, also there is the simple and assembling of structure and be easy to effect.
Accompanying drawing explanation
Fig. 1 is the perspective exploded view that the utility model relates to a kind of high reliability anti-syphon valve inlet.
Fig. 2 is the assembled sectional view that the utility model relates to a kind of high reliability anti-syphon valve inlet.
Fig. 3 is that the utility model is in into schematic diagram during water state.
Fig. 4 is the schematic diagram of the utility model when being in anti-siphon state.
In figure:
Outlet pipe-1; Water inlet pipe-2; First ring muscle-21;
Water stop rubber pad-3; Anti-siphon pad-4; Lip portions-41;
Gripper shoe-5; Second ring muscle-51; Breach-52;
Stop cover-6; Air inlet-61; Protuberance-62;
Flow-guiding channel-7.
Detailed description of the invention
In order to explain the technical solution of the utility model further, below by specific embodiment, the utility model is elaborated.
As shown in Figures 1 to 4, a kind of high reliability anti-syphon valve inlet that the utility model relates to, comprises outlet pipe 1, water inlet pipe 2, water stop rubber pad 3, anti-siphon pad 4, gripper shoe 5 and stop cover 6, this stop cover 6 is formed with air inlet 61.
This water inlet pipe 2 upper limb is also formed with first ring muscle 21, this gripper shoe 5 is between first ring muscle 21 and stop cover 6, this water stop rubber pad 3 supports and the outlet of salable water inlet pipe 2 by gripper shoe 5, this gripper shoe 5 is also formed with the second ring muscle 51, between this first ring muscle 21 and second ring muscle 51, is formed with flow-guiding channel 7.
This flow-guiding channel 7 is connected with water inlet pipe 2 when water stop rubber pad 3 is washed open by current, this anti-siphon pad 4 to seal the primary outlet of air inlet 61 or flow-guiding channel 7, is also provided with auxiliary communication passage between this flow-guiding channel 7 and outlet pipe 1 between flow-guiding channel 7 and air inlet 61.
Like this, the utility model is when normal water outlet, the current of water inlet pipe 2 are washed water stop rubber pad 3 open and are entered into flow-guiding channel 7 afterwards, eject from flow-guiding channel 7 primary outlet, the anti-siphon pad 4 of the water impact ejected, now anti-siphon pad 4 will seal air inlet 61, the water inlet will realized by outlet pipe 1 water tank by the current of anti-siphon pad 4.
Once occur situations such as such as cutting off the water supply, anti-siphon pad 4 can cover the primary outlet of flow-guiding channel 7 under suction function, the water in water tank is allowed not easily to be back in water inlet pipe 2, and when resuming water supply, owing to being also provided with auxiliary communication passage between this flow-guiding channel 7 and outlet pipe 1, this auxiliary communication passage is used for the pressure balancing anti-siphon pad 4 both sides to a certain extent, allows low-pressure water also relatively easily wash anti-siphon pad 4 open, and then when guaranteeing that hydraulic pressure is lower, water inlet is more unobstructed.
In addition, the utility model its only need to adopt above-mentioned several parts can realize anti-siphon function, also there is the simple and assembling of structure and be easy to effect.
As a kind of preferred structure of this auxiliary communication passage, this auxiliary communication passage is the breach 52 being formed in the second ring muscle 51 surface, because the second ring muscle 51 is positioned at the inside of first ring muscle 21, so when producing negative pressure, the current air inlet 61 had to pass through on stop cover 6 produced based on negative pressure could arrive breach 52 place, because air inlet 61 can supplement outside air, current are so made to exist by the possibility of suck-back hardly, ensure that the real realization of anti-siphon function, allow anti-siphon and low pressure water inlet all can reach best functional realiey.
In the present embodiment, this stop cover 6 is also formed with protuberance 62, this anti-siphon pad 4 is set on protuberance 62, and this anti-siphon pad 4 soffit corresponds to the primary outlet of flow-guiding channel 7, and this anti-siphon pad 4 upper surface corresponds to the air inlet 61 of stop cover 6.This anti-siphon pad 4 ringwise, is also formed with lip portions 41 towards air inlet 61 direction at anti-siphon pad 4 inner ring place.
Above-described embodiment and graphic and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field, to its suitable change done or modification, all should be considered as not departing from patent category of the present utility model.
Claims (4)
1. a high reliability anti-syphon valve inlet, it is characterized in that, comprise outlet pipe, water inlet pipe, water stop rubber pad, anti-siphon pad, gripper shoe and stop cover, this stop cover is formed with air inlet, this water inlet pipe upper limb is also formed with first ring muscle, this gripper shoe is between first ring muscle and stop cover, this water stop rubber pad supports and the outlet of salable water inlet pipe by gripper shoe, this gripper shoe is also formed with the second ring muscle, flow-guiding channel is formed between this first ring muscle and the second ring muscle, this flow-guiding channel is connected with water inlet pipe when water stop rubber pad is washed open by current, this anti-siphon pad between flow-guiding channel and air inlet to seal the primary outlet of air inlet or flow-guiding channel, auxiliary communication passage is also provided with between this flow-guiding channel and outlet pipe.
2. a kind of high reliability anti-syphon valve inlet as claimed in claim 1, is characterized in that, this auxiliary communication passage is the breach being formed in the second ring muscle surface.
3. a kind of high reliability anti-syphon valve inlet as claimed in claim 1, it is characterized in that, this stop cover is also formed with protuberance, this anti-siphon cushion cover is established over the projections, this anti-siphon pad soffit corresponds to the primary outlet of flow-guiding channel, and this anti-siphon pad upper surface corresponds to the air inlet of stop cover.
4. a kind of high reliability anti-syphon valve inlet as claimed in claim 1, is characterized in that, this anti-siphon pad ringwise, is also formed with lip portions towards air inlet direction at anti-siphon pad inner ring place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520321995.1U CN204608920U (en) | 2015-05-19 | 2015-05-19 | A kind of high reliability anti-syphon valve inlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520321995.1U CN204608920U (en) | 2015-05-19 | 2015-05-19 | A kind of high reliability anti-syphon valve inlet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204608920U true CN204608920U (en) | 2015-09-02 |
Family
ID=53961481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520321995.1U Active CN204608920U (en) | 2015-05-19 | 2015-05-19 | A kind of high reliability anti-syphon valve inlet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204608920U (en) |
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2015
- 2015-05-19 CN CN201520321995.1U patent/CN204608920U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |