CN204141042U - A kind of water inlet valve body of water storage type low noise - Google Patents
A kind of water inlet valve body of water storage type low noise Download PDFInfo
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- CN204141042U CN204141042U CN201420306147.9U CN201420306147U CN204141042U CN 204141042 U CN204141042 U CN 204141042U CN 201420306147 U CN201420306147 U CN 201420306147U CN 204141042 U CN204141042 U CN 204141042U
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Abstract
The utility model relates to a kind of water inlet valve body of water storage type low noise, comprise inlet valve main body, inlet pipeline, inlet pipeline is connected with inlet valve main body, for inlet valve main body supplies water, inlet valve main body offers atmosphere entry in the position higher than inlet valve highest water level, liquid level in water inlet valve body leads directly to air by atmosphere entry, for realizing anti-siphon; The exhalant canal of inlet valve main body comprises main water route, some secondary water routes, secondary water route is communicated with main water route, water is injected main water route and secondary water route by the intake tunnel of inlet valve main body simultaneously, the water flow in secondary water route is less than the flow of inlet water in secondary water route, secondary water route retaining, isolate main water route and atmosphere entry, main water route is communicated with large gas barrier.Water inlet valve body of the present utility model can meet EN ISO 3822 and require lower than the requirement of 20 decibels, to meet again the anti-siphon requirement of EN1717 to inlet valve to inlet valve noise when intaking.Inlet valve body structure described in the utility model is simple, and easy for installation, cost is low.
Description
Technical field
The utility model relates to inlet valve field, more particularly, relates to a kind of water inlet valve body of water storage type low noise.
Background technique
The anti-syphon structure of inlet valve common in the market as shown in Figure 1, Figure 2, Figure 3 shows.
The anti-syphon structure of inlet valve shown in Fig. 1, Fig. 2 is all on exhalant canal, arrange anti-siphon rubber cushion, inlet valve is when to water tank with water, water promotes anti-siphon rubber cushion to be made it to block inlet valve suction port and sprays to prevent press water, after inlet valve stops water filling, anti-siphon rubber cushion resets under the effect such as gravity or its own resilient.From suction port to cistern water level, keep unimpeded to prevent the Water in Water Tank when inlet pipeline generation negative pressure to be siphoned into inlet pipeline.
Europe inlet valve standard EN 1717 requires to have air clearance that mechanical structured member can not be had to block anti-siphon suction port between inlet valve suction port and the water surface, and the inlet valve shown in Fig. 1, Fig. 2 is difficult to meet EN1717 requirement.
The anti-syphon structure of inlet valve shown in Fig. 3 does not arrange anti-siphon rubber cushion, and its water surface leads directly to air to get anti-siphon function.But in practice, the water outlet of this structure along tube wall curl up and under, when intake pipe pressure is higher, water outlet is comparatively anxious, easily sucks air from suction port and produces noise.
Europe inlet valve standard EN ISO 3822 requires inlet valve, and when intaking, noise is lower than 20 decibels, and the inlet valve shown in Fig. 3 is difficult to meet EN ISO 3822 requirement.
So be difficult in the market find the inlet valve meeting European norm, especially formula inlet valve is entered at the end.
Model utility content
The purpose of this utility model is to overcome the deficiencies in the prior art, provide between a kind of inlet valve suction port and the water surface have air clearance, do not have mechanical structured member to block anti-siphon suction port, when intaking noise lower than the water inlet valve body of a kind of water storage type low noise of 20 decibels.
The technical solution of the utility model is as follows:
A kind of water inlet valve body of water storage type low noise, comprise inlet valve main body, inlet pipeline, inlet pipeline is connected with inlet valve main body, for inlet valve main body supplies water, inlet valve main body offers atmosphere entry in the position higher than inlet valve highest water level, liquid level in water inlet valve body leads directly to air by atmosphere entry, for realizing anti-siphon; The exhalant canal of inlet valve main body comprises main water route, some secondary water routes, secondary water route is communicated with main water route, water is injected main water route and secondary water route by the intake tunnel of inlet valve main body simultaneously, the water flow in secondary water route is less than the flow of inlet water in secondary water route, secondary water route retaining, isolate main water route and atmosphere entry, main water route is communicated with large gas barrier.
As preferably, the end in secondary water route arranges restriction, carries out water outlet after the water outlet in secondary water route and main water route collects.
As preferably, inlet valve main body includes water pipe, intake tunnel, exhalant canal, water inlet pipe is arranged on inlet valve lower body part, intake tunnel is vertically arranged on inlet valve body top, exhalant canal is sleeved on outside intake tunnel, the upper space of exhalant canal is separated into main water route and secondary water route by water-resisting wall, and it is peripheral that secondary water route is positioned at main water route.
As preferably, water-resisting wall offers restriction, the retaining in secondary water route flows into main water route from restriction; The connecting port of secondary water route and intake tunnel is arranged on the top of water-resisting wall, and current flow to secondary water route from the connecting port on water-resisting wall top.
As preferably, water-resisting wall comprises some walls, and wall shifts to install, and arranges restriction between wall.
As preferably, restriction is arranged between the bottom surface in water-resisting wall and secondary water route.
As preferably, upper half than lower half near intake tunnel, the opening water (flow) direction of restriction from secondary water route to main water route, from top to bottom.
As preferably, atmosphere entry is opened in the side of inlet valve main body, is positioned at the top in secondary water route.
As preferably, be provided with transition passage between intake tunnel and exhalant canal, transition passage surrounds intake tunnel, and intake tunnel arranges transition entrance and communicates with transition passage, and transition passage arranges transition outlet and communicates with exhalant canal.
As preferably, inlet valve main body includes water pipe, exhalant canal, intake tunnel, exhalant canal is arranged on above water inlet pipe, the main lower ending opening of exhalant canal stretches toward water inlet pipe, exhalant canal comprises receiving cavity, point water ring, divide water ring to be arranged in receiving cavity, a point water ring comprises main water route, secondary water route, and main water route is communicated with by tapping hole with secondary water route; The water intake of intake tunnel communicates with receiving cavity, and aims at main water route.
As preferably, divide at least two water diversing sheets that water ring comprises axis, arranges along axis spiral, the vertical space of point water ring is separated into main water route, secondary water route by the water diversing sheet of bottom, and tapping hole is arranged on water diversing sheet.
As preferably, the end of receiving cavity is the ater guide piece arranged around water inlet pipe spiral, and the water diversing sheet of ater guide piece and bottom surrounds main water route, and ater guide piece and water diversing sheet are screw downward-extension, and water outlet is communicated with main water route, and before being arranged on tapping hole; The head and the tail of ater guide piece, water diversing sheet are not connected, and form water passage hole in the tail end of ater guide piece, form restriction in the tail end of water diversing sheet, and the current in secondary water route, after the current in restriction and main water route converge, flow out from water passage hole.
As preferably, point water ring upper surface is the obstructing surface of band through hole, and atmosphere entry is arranged on the end face of inlet valve main body, and atmosphere entry communicates with through hole.
The beneficial effects of the utility model are as follows:
Water inlet valve body described in the utility model, has used two water outlet waterway structure, and make current slower, air-suction-noise is less.Achieve inlet valve in water inlet process, air-suction-noise is less, makes the water inlet of inlet valve not have noise, can meet EN ISO 3822 require to inlet valve when intaking noise lower than the requirement of 20 decibels.There is air clearance between inlet valve suction port and the water surface simultaneously, do not have mechanical structured member to block anti-siphon suction port, make the anti-siphon of inlet valve can meet the anti-siphon requirement of EN1717 to inlet valve.
Inlet valve body structure described in the utility model is simple, and easy for installation, cost is low.
Accompanying drawing explanation
Fig. 1 is the structure sectional view of the inlet valve one of prior art;
Fig. 2 is the partial sectional view of the inlet valve two of prior art;
Fig. 3 is the partial sectional view of the inlet valve three of prior art;
Fig. 4 is the plan view of the water inlet valve body of embodiment 1;
Fig. 5 is the sectional view of the inlet valve main body of embodiment 1;
Fig. 6 is the partial enlarged drawing of Fig. 5;
Fig. 7 is the three-dimensional cutaway view of the water inlet valve body of embodiment 2;
Fig. 8 is the plan view of the water inlet valve body of embodiment 2;
Fig. 9 is the I-I sectional view of Fig. 8;
Figure 10 is the plan view of the inlet valve main body of embodiment 2;
Figure 11 is the side view of the inlet valve main body of embodiment 2;
Figure 12 is the J-J sectional view of Figure 11;
Figure 13 is the plan view of point water ring of embodiment 2;
Figure 14 is the side view of point water ring of embodiment 2;
Figure 15 is the stereogram of point water ring of embodiment 2;
Figure 16 is the stereogram of the upper cover of embodiment 2;
In figure: 100 is inlet valve main bodys, 200 is inlet pipelines, 400 is atmosphere entrys, 500 is water flow control mechanisms, 101 is main water routes, 102 is secondary water routes, 103 is intake tunnels, 104 is water inlet pipes, 105 is exhalant canals, 106 is water intakes, 107 is upper covers, 108 is main lower ending openings, 109 is Your Majesty's end openings, 110 is connecting ports, 111 is receiving cavities, 112 is point water rings, 113 is axis, 114 is water diversing sheets, 115 is tapping holes, 116 is ater guide pieces, 117 is water passage holes, 118 is obstructing surfaces, 119 is through holes, 120 is upper half, 121 is lower half, 122 is restrictions, 123 transition passages, 124 is transition entrances, 125 is transition outlets.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
The utility model provides a kind of water inlet valve body of water storage type low noise, comprises inlet valve main body, inlet pipeline, and inlet pipeline is connected with inlet valve main body, for inlet valve main body supplies water.Inlet valve main body offers atmosphere entry in the position higher than inlet valve highest water level, and the liquid level in water inlet valve body leads directly to air by atmosphere entry, for realizing anti-siphon; The exhalant canal of inlet valve main body comprises main water route, some secondary water routes, secondary water route is communicated with main water route, water is injected main water route and secondary water route by the intake tunnel of inlet valve main body simultaneously, the water flow in main water route is less than the flow of inlet water in main water route, the water flow in secondary water route is less than the flow of inlet water in secondary water route, secondary water route retaining, isolate main water route and atmosphere entry, main water route is communicated with large gas barrier.
Embodiment 1
The water inlet valve body of a kind of water storage type low noise as shown in Fig. 4, Fig. 5, Fig. 6, comprise inlet valve main body 100, inlet pipeline 200, inlet pipeline 200 is connected with inlet valve main body 100, for inlet valve main body 100 supplies water.Inlet valve main body 100 offers atmosphere entry 400 in the position higher than inlet valve highest water level, and the liquid level in inlet valve leads directly to air by atmosphere entry 400, for realizing anti-siphon; The exhalant canal 105 of inlet valve comprises main water route 101, some secondary water routes 102, secondary water route 102 is communicated with main water route 101, water is injected main water route 101 and secondary water route 102 by the intake tunnel 103 of inlet valve main body 100 simultaneously, the water flow in main water route 101 is less than the flow of inlet water in main water route 101, the water flow in secondary water route 102 is less than the flow of inlet water in secondary water route 102, secondary water route 102 retaining, isolates main water route 101 and atmosphere entry 400, main water route 101 is communicated with large gas barrier, realizes noise decrease.
In the present embodiment, transition passage 123 is provided with between intake tunnel 103 and exhalant canal 105, transition passage 123 surrounds intake tunnel 103, and intake tunnel 103 arranges transition entrance 124 and communicates with transition passage 123, and transition passage 123 arranges transition outlet 125 and communicates with exhalant canal 105.
In the present embodiment, inlet valve main body 100 includes water pipe 104, intake tunnel 103, exhalant canal 105, the inlet valve of the present embodiment is the inlet valve entering formula in the end, water inlet pipe 104 is arranged on inlet valve main body 100 bottom, intake tunnel 103 is vertically arranged on inlet valve main body 100 top, after current flow out from water inlet pipe 104, through water flow control mechanism 500, flow into intake tunnel 103.Exhalant canal 105 is sleeved on outside intake tunnel 103, and the upper space of exhalant canal 105 is separated into main water route 101 and secondary water route 102 by water-resisting wall, and it is peripheral that secondary water route 102 is positioned at main water route 101.For the ease of realizing, and make structure simpler, in the present embodiment, main water route 101 and secondary water route 102 are in the cavity that upper space is larger, at upper space, the water-resisting wall that has restriction 122 is set, upper space is divided into main water route 101 and secondary water route 102, namely restriction 122 is arranged on the end in secondary water route 102, and main water route 101 realizes collaborating water outlet by restriction 122 (being also secondary lower ending opening) with secondary water route 102.Main water route 101 accumulates a road with the water outlet in secondary water route 102 and carries out water outlet, and in structural design, the structure of whole valve body is compacter.
Concrete, water-resisting wall can be made up of some walls, and some walls shift to install, and arrange restriction between wall.In the present embodiment, water-resisting wall comprises half 120, lower half 121, and upper half 120 shifts to install with lower half 121, and the spatial placement between upper half 120 and lower half 121 has restriction 122, and the retaining in secondary water route 102 flows into main water route 101 from restriction 122; Secondary water route 102 and the connecting port 110 (namely secondary upper end open) in main water route 101 are arranged on the top of half 120, while current inject main water route 101, also inject secondary water route 102 from secondary upper end open.Further, atmosphere entry 400 is opened in the side of inlet valve main body 100, is positioned at the top in secondary water route 102.
In order to excludes air communicates with the liquid level in main water route 101 as early as possible, upper half 120 than lower half 121 near intake tunnel 103, the opening water (flow) direction of restriction 122 from secondary water route 102 to main water route 101, from top to bottom.When retaining is carried out to the height of restriction 122 in secondary water route 102, collaborate toward main water route 101 immediately, fill up restriction 122, reduce communicating of main water route 101 and air.
Another kind of mode of execution, water-resisting wall also can be complete one to face the wall and meditate, and restriction 122 is arranged between the bottom surface in water-resisting wall and secondary water route 102.
In order to reduce the water flow in main water route 101 further, the main lower ending opening 108 in main water route 101 is less than Your Majesty's end opening 109 in main water route 101.In the present embodiment, the main lower ending opening 108 in main water route 101 is the throat structure inwardly shunk.
Embodiment 2
The water inlet valve body of a kind of water storage type low noise as shown in Fig. 7, Fig. 8, Fig. 9, comprise inlet valve main body 100, inlet pipeline 200, inlet pipeline 200 is connected with inlet valve main body 100, for inlet valve main body 100 supplies water.Inlet valve main body 100 offers atmosphere entry 400 in the position higher than inlet valve highest water level, and the liquid level in inlet valve leads directly to air by atmosphere entry 400, for realizing anti-siphon; The exhalant canal 105 of inlet valve comprises main water route 101, some secondary water routes 102, secondary water route 102 is communicated with main water route 101, water is injected main water route 101 and secondary water route 102 by the intake tunnel 103 of inlet valve main body 100 simultaneously, the water flow in main water route 101 is less than the flow of inlet water in main water route 101, the water flow in secondary water route 102 is less than the flow of inlet water in secondary water route 102, secondary water route 102 retaining, isolates main water route 101 and atmosphere entry 400, main water route 101 is communicated with large gas barrier, realizes noise decrease.
In the present embodiment, main water route 101 accumulates a road with the water outlet in secondary water route 102 and carries out water outlet, and in structural design, the structure of whole valve body is compacter.Simultaneously, in order to reach muting function further, the water flow then arranging main water route 101 is less than the flow of inlet water in main water route 101, the water flow in secondary water route 102 is less than the flow of inlet water in secondary water route 102, secondary water route 102 retaining, isolate main water route 101 and atmosphere entry 400, main water route 101 is communicated with large gas barrier.In the present embodiment, as shown in Figure 10, Figure 11, Figure 12, inlet valve main body 100 includes water pipe 104, exhalant canal 105, intake tunnel 103, exhalant canal 105 is arranged on above water inlet pipe 104, the main lower ending opening of exhalant canal 105 stretches toward water inlet pipe 104, exhalant canal 105 comprises receiving cavity 111, point water ring 112, water ring 112 is divided to be arranged in receiving cavity 111, as shown in Figure 13, Figure 14, Figure 15, divide water ring 112 to comprise main water route 101, secondary water route 102, main water route 101 is communicated with by tapping hole 115 with secondary water route 102; The water intake 106 of intake tunnel 103 communicates with receiving cavity 111, and aims at main water route 101.Divide at least two water diversing sheets 114 that water ring 112 comprises axis 113, arranges along axis 113 spiral, the vertical space of point water ring 112 is separated into main water route 101, secondary water route 102 by the water diversing sheet 114 of bottom, and tapping hole 115 is arranged on water diversing sheet 114; The head and the tail of water diversing sheet 114 are not connected.As shown in Figure 13, Figure 15, the end of receiving cavity 111 is the ater guide piece 116 arranged around water inlet pipe 104 spiral, ater guide piece 116 surrounds main water route 101 with the water diversing sheet 114 of bottom, ater guide piece 116 and water diversing sheet 114 are screw downward-extension, water outlet is communicated with main water route 101, and before being arranged on tapping hole 115; The head and the tail of ater guide piece 116, water diversing sheet 114 are not connected, water passage hole 117 is formed in the tail end of ater guide piece 116, form restriction 122 in the tail end of water diversing sheet 114, the current in secondary water route 102, after restriction 122 and the current in main water route 101 converge, flow out from water passage hole 117.Main water route 101 accumulates a road with the water outlet in secondary water route 102 and carries out water outlet, and in structural design, the structure of whole valve body is compacter.
In order to reduce the water flow in main water route 101 further, the main lower ending opening in main water route 101 is less than Your Majesty's end opening in main water route 101, and the secondary lower ending opening in secondary water route 102 is less than the secondary upper end open in secondary water route 102.In the present embodiment, the end of ater guide piece 116 upwards lifts a little, the water outlet in main water route 101, and namely main lower ending opening diminishes; Tapping hole 115 (i.e. secondary upper end open) is greater than water passage hole 117 (i.e. secondary lower ending opening), reaches the object of restriction water flow.
Divide water ring 112 upper surface to be the obstructing surface 118 being with through hole 119, atmosphere entry 400 is arranged on the end face of inlet valve main body 100, and atmosphere entry 400 communicates with through hole 119.If directly by the opened top of inlet valve main body 100, as atmosphere entry 400, although conveniently assembling can be produced, but atmosphere entry 400 is excessive, the situation of easy generation current splash, if and atmosphere entry 400 is too little, inlet valve main body 100 is made of one formula structure, assembling is produced in impact again.Cross to prevent atmosphere entry 400 excessive, or the problem such as Assembling Production difficulty is large, in the present embodiment, as shown in figure 16, be arranged on by atmosphere entry 400 in upper cover 107, inlet valve main body 100 opened top, upper cover 107 is buckled in inlet valve main body 100 end face.
In the present embodiment, the exhalant canal 105 of water inlet valve body arranges a point water ring 112, the water diversing sheet 114 of point water ring 112 arranges tapping hole 115, water route is made to be divided into main water route 101, secondary water route 102, major part water along main water route 101 rotate and under, sub-fraction water enters secondary water route 102, blocks the extraneous absolute air gap to the water surface, avoid into exhalant canal during water 105 air-breathing, thus make to reach muting function into during water.
Above-described embodiment is only used to the utility model is described, and is not used as restriction of the present utility model.As long as according to technical spirit of the present utility model, change above-described embodiment, modification etc. all will be dropped in the scope of claim of the present utility model.
Claims (13)
1. the water inlet valve body of a water storage type low noise, comprise inlet valve main body, inlet pipeline, inlet pipeline is connected with inlet valve main body, for inlet valve main body supplies water, it is characterized in that, inlet valve main body offers atmosphere entry in the position higher than inlet valve highest water level, and the liquid level in water inlet valve body leads directly to air by atmosphere entry, for realizing anti-siphon; The exhalant canal of inlet valve main body comprises main water route, some secondary water routes, secondary water route is communicated with main water route, water is injected main water route and secondary water route by the intake tunnel of inlet valve main body simultaneously, the water flow in secondary water route is less than the flow of inlet water in secondary water route, secondary water route retaining, isolate main water route and atmosphere entry, main water route is communicated with large gas barrier.
2. the water inlet valve body of water storage type low noise according to claim 1, is characterized in that, the end in secondary water route arranges restriction, carries out water outlet after the water outlet in secondary water route and main water route collects.
3. the water inlet valve body of water storage type low noise according to claim 1, it is characterized in that, inlet valve main body includes water pipe, intake tunnel, exhalant canal, water inlet pipe is arranged on inlet valve lower body part, intake tunnel is vertically arranged on inlet valve body top, exhalant canal is sleeved on outside intake tunnel, and the upper space of exhalant canal is separated into main water route and secondary water route by water-resisting wall, and it is peripheral that secondary water route is positioned at main water route.
4. the water inlet valve body of water storage type low noise according to claim 3, is characterized in that, water-resisting wall offers restriction, and the retaining in secondary water route flows into main water route from restriction; The connecting port of secondary water route and intake tunnel is arranged on the top of water-resisting wall, and current flow to secondary water route from the connecting port on water-resisting wall top.
5. the water inlet valve body of water storage type low noise according to claim 4, is characterized in that, water-resisting wall comprises some walls, and wall shifts to install, and arranges restriction between wall.
6. the water inlet valve body of water storage type low noise according to claim 4, is characterized in that, restriction is arranged between the bottom surface in water-resisting wall and secondary water route.
7. the water inlet valve body of the water storage type low noise according to claim 5 or 6, is characterized in that, upper half than lower half near intake tunnel, the opening water (flow) direction of restriction from secondary water route to main water route, from top to bottom.
8. the water inlet valve body of water storage type low noise according to claim 3, is characterized in that, atmosphere entry is opened in the side of inlet valve main body, is positioned at the top in secondary water route.
9. the water inlet valve body of water storage type low noise according to claim 3, it is characterized in that, transition passage is provided with between intake tunnel and exhalant canal, transition passage surrounds intake tunnel, intake tunnel arranges transition entrance and communicates with transition passage, and transition passage arranges transition outlet and communicates with exhalant canal.
10. the water inlet valve body of water storage type low noise according to claim 1, it is characterized in that, inlet valve main body includes water pipe, exhalant canal, intake tunnel, exhalant canal is arranged on above water inlet pipe, the main lower ending opening of exhalant canal stretches toward water inlet pipe, and exhalant canal comprises receiving cavity, point water ring, and a point water ring is arranged in receiving cavity, divide water ring to comprise main water route, secondary water route, main water route is communicated with by tapping hole with secondary water route; The water intake of intake tunnel communicates with receiving cavity, and aims at main water route.
The water inlet valve body of 11. water storage type low noises according to claim 10, it is characterized in that, divide at least two water diversing sheets that water ring comprises axis, arranges along axis spiral, the vertical space of point water ring is separated into main water route, secondary water route by the water diversing sheet of bottom, and tapping hole is arranged on water diversing sheet.
The water inlet valve body of 12. water storage type low noises according to claim 11, it is characterized in that, the end of receiving cavity is the ater guide piece arranged around water inlet pipe spiral, the water diversing sheet of ater guide piece and bottom surrounds main water route, ater guide piece and water diversing sheet are screw downward-extension, water outlet is communicated with main water route, and before being arranged on tapping hole; The head and the tail of ater guide piece, water diversing sheet are not connected, and form water passage hole in the tail end of ater guide piece, form restriction in the tail end of water diversing sheet, and the current in secondary water route, after the current in restriction and main water route converge, flow out from water passage hole.
The water inlet valve body of 13. water storage type low noises according to claim 12, is characterized in that, point water ring upper surface is the obstructing surface of band through hole, and atmosphere entry is arranged on the end face of inlet valve main body, and atmosphere entry communicates with through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420306147.9U CN204141042U (en) | 2014-06-10 | 2014-06-10 | A kind of water inlet valve body of water storage type low noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420306147.9U CN204141042U (en) | 2014-06-10 | 2014-06-10 | A kind of water inlet valve body of water storage type low noise |
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| Publication Number | Publication Date |
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| CN204141042U true CN204141042U (en) | 2015-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420306147.9U Expired - Fee Related CN204141042U (en) | 2014-06-10 | 2014-06-10 | A kind of water inlet valve body of water storage type low noise |
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| CN (1) | CN204141042U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443856A (en) * | 2014-06-10 | 2016-03-30 | 厦门威迪亚科技有限公司 | Water storage type low noise inlet valve body and anti-siphon inlet valve water inflow muting method |
-
2014
- 2014-06-10 CN CN201420306147.9U patent/CN204141042U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443856A (en) * | 2014-06-10 | 2016-03-30 | 厦门威迪亚科技有限公司 | Water storage type low noise inlet valve body and anti-siphon inlet valve water inflow muting method |
| CN105443856B (en) * | 2014-06-10 | 2018-01-30 | 厦门威迪亚科技有限公司 | The water inlet valve body and anti-syphon valve inlet of water storage type low noise are intake Jing Yin method |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150204 Termination date: 20180610 |
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| CF01 | Termination of patent right due to non-payment of annual fee |