CN201739591U - Water-saving check valve - Google Patents
Water-saving check valve Download PDFInfo
- Publication number
- CN201739591U CN201739591U CN2010202526095U CN201020252609U CN201739591U CN 201739591 U CN201739591 U CN 201739591U CN 2010202526095 U CN2010202526095 U CN 2010202526095U CN 201020252609 U CN201020252609 U CN 201020252609U CN 201739591 U CN201739591 U CN 201739591U
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Abstract
The utility model discloses a water-saving check valve, which comprises a valve body, a flexible non-return component and an elastic water-saving plate. The valve body is provided with a water channel, a fixed seat arranged in the water channel and at least one spoke fixing the fixed seat in the water channel. The spokes form channels, the flexible non-return component is provided with an elastic non-return plate and a fixed head arranged at the center of the front face of the elastic non-return plate, the fixed head is fixedly connected with the fixed seat, and the elastic non-return plate is matched with the water channel. When water in the water channel flows forwards, the elastic non-return plate is deformed to connect the channel under impact of the forward flow; and when water in the water channel flows backwards, the elastic non-return plate is reset to seal the channels under impact of backward flow. The elastic water-saving plate is provided with at least one water through hole penetrating through the elastic water-saving plate and is connected in the water channel of the valve body in a sealing way. When being impacted by water flow in the water channel, the elastic water-saving plate can be deformed to change sectional areas of the water through holes for water flow. The utility model realizes non-return function through elastic deformation of the elastic non-return plate, and has the advantages of simple structure, fewer parts, rapid assembly and low cost. Moreover, the elastic non-return plate can be conveniently matched with the elastic water-saving plate to save water and prevent returning flow.
Description
Technical field
The utility model relates to a kind of water-saving check valve.
Background technique
Chinese patent database has been announced model utility on March 10th, 2010 and has been created the model utility that name is called " Flow-rate adjustment check valve ", and its patent No. is ZL200920137849.8.The Flow-rate adjustment check valve, it comprises a sleeve, a current-limiting apparatus and an one-way valve.One-way valve places the waterexit end of sleeve hermetically, and current-limiting apparatus is arranged on the feed-water end of sleeve.Wherein: current-limiting apparatus comprises a water-saving plate rack and is placed on water-saving sheet in the water-saving plate rack, and this water-saving sheet is a soft materials, and it produces deformation with hydraulic pressure the water port of water-saving plate rack is stopped, realizes flow regulating function; One-way valve comprises valve body, spool, spring and valve gap, cooperates by spool and spring and realizes one-way flow, realizes non-return function.This technological scheme has following deficiency: 1. one-way valve cooperates the non-return function of realization by valve body, spool, spring and valve gap, and part is many, complex structure, and the cost height, working life is short; 2. to open check valve through the current of water saving fixtures, need overcome the frictional force of elastic force and the valve rod and the bearing inwall of spring, and check valve is desired normally to reset, then need overcome the frictional force of gravity and the valve rod and the bearing inwall of spool, therefore the elastic force of spring is unsuitable too small, and the bigger spring of elastic force makes one-way valve lower at the sensitivity of hydraulic pressure.
The model utility content
The utility model provides a kind of water-saving check valve, and it has overcome the existing deficiency of Flow-rate adjustment check valve in the background technique.
The technological scheme that is adopted that the utility model solves its technical problem is:
One valve body, it has a water route, and is positioned at the fixed base within the water route and at least one fixed base is fixed in spoke within the water route, forms path between described those spokes;
One elastic check part, it have one when the current following current of water route distortion reset with conduction path and when the water route current flow backwards and to be located at the fixing head of elasticity check sheet front center with the elasticity check sheet and of seal path, described fixing head is fixed in fixed base, the adaptive water route of described elasticity check sheet; And
One elastic water-saving piece, it offers at least onely runs through and can be out of shape to change the water port of water flowing section area by water route current hydraulic action, and described elastic water-saving piece is sealingly connected within the water route of valve body.
Among one preferred embodiment: be provided with a penetration hole within the described fixed base; Described fixing head has the guide section that clamping section and that adaptive a section, of being fixed in elasticity check sheet front be fixed in adaptive section is fixed in the clamping section, described fixing head is passed penetration hole, and, described adaptive section and adaptive the linking together of penetration hole sealing, described clamping section section area is greater than the penetration hole section area.
Among one preferred embodiment: described water-saving piece end face such as convexes with in the water port at the boss of number, and corresponding boss is all passed on the top of described each water port.
Among one preferred embodiment:
Described valve body comprises an external member, and described spoke is installed between fixed base and the external member;
The top end of described external member is installed with at least two columns, and described column end extends to form buckle to the water route direction;
The outer turning surface sealing of described elastic water-saving piece bottom is fixed in the interior turning surface at external member top, and described buckle is connected to the end face of elastic water-saving piece.
Among one preferred embodiment: be provided with step surface up within the described socket, described elastic water-saving piece bottom supporting is on step surface.
Among one preferred embodiment:
Described valve body comprises an external member and a retainer ring, and described retainer ring is fixed in the external member bottom, and described retainer ring lower end is provided with fixed edge inwardly;
Described elastic water-saving piece is arranged within the external member and is supported on the fixed edge, and sealing simultaneously is fixed in the interior turning surface of external member bottom.
Among one preferred embodiment: described elasticity check sheet comprises the V-arrangement section that a basic segment and is stretched out and formed by the basic segment periphery, and described V-arrangement section opening is towards forward.
Among one preferred embodiment: described V-arrangement section comprise one by the basic segment periphery to outward extending tilting section dorsad and by tilting section to the outward extending promptly section of forward.
The technical program is compared with background technique, and it has following advantage:
1. utilize the resiliently deformable of elasticity check sheet to realize non-return function, realize water-saving function by elastic water-saving piece, then can overcome background technique and produce following beneficial effect: a. the water port of water-saving sheet and the local deformation characteristics of check sheet are combined, hydraulic pressure reaction sensitivity height is regulated degree of accuracy and precision degree height; B. simple in structure, component still less, axis assembling is suitable for realizing assembly automation, and is easily manufactured; C. cost is lower, and market competition advantage is stronger.
2. affixed head comprises adaptive section, clamping section and guide section, with the elastic performance combination of itself and non-return piece, is convenient to affixed head is fixed on fixed base, can strengthen the soundness between fixed base and the fixing head;
3. be provided with a plurality of spokes of annular display, check sheet can lean against on the spoke when sealing, can strengthen sealability, can prevent that reversal deformation is excessive, and then the big more sealability of hydraulic pressure is strong more;
4. the elasticity check sheet comprises basic segment and V-arrangement section, and V-arrangement section opening utilizes the deformation performance of V-type section towards forward, can strengthen sealability;
5. corresponding boss is all passed on the top of each water port, and when impacted by current hydraulic pressure, boss can be out of shape, and then water flowing section area in water port can change, and is subjected to current hydraulic pressure to impact that then Flow-rate adjustment is highly sensitive, the water-saving performance height;
6. the top end of external member is installed with at least two columns, and the column end extends to form buckle to the water route direction, and buckle is connected to the end face of elastic water-saving piece, and is then easy to assembly, affixed firm;
7. the elastic water-saving piece bottom supporting is on step surface, and is easy to assembly, affixed firmly;
8. elastic water-saving piece is arranged within the external member and is supported on the fixed edge, and is then easy to assembly, affixed firm.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 has illustrated one of the schematic perspective view of a kind of water-saving check valve of first preferred embodiment.
Fig. 2 illustrated first preferred embodiment a kind of water-saving check valve schematic perspective view two.
Fig. 3 has illustrated the perspective exploded view of a kind of water-saving check valve of first preferred embodiment.
Fig. 4 has illustrated the generalized section of a kind of water-saving check valve of first preferred embodiment, and this moment, a kind of water-saving check valve was in first state.
Fig. 5 has illustrated the generalized section of a kind of water-saving check valve of first preferred embodiment, and this moment, a kind of water-saving check valve was in second state.
Fig. 6 has illustrated the generalized section of a kind of water-saving check valve of first preferred embodiment, and this moment, a kind of water-saving check valve was in the third state.
Fig. 7 has illustrated the schematic top plan view of a kind of water-saving check valve of first preferred embodiment, and this moment, water-saving piece was in not deformation state.
Fig. 8 has illustrated the schematic top plan view of a kind of water-saving check valve of first preferred embodiment, and this moment, water-saving piece was in deformation state.
Fig. 9 has illustrated one of the schematic perspective view of a kind of water-saving check valve of second preferred embodiment.
Figure 10 illustrated second preferred embodiment a kind of water-saving check valve schematic perspective view two.
Figure 11 has illustrated the perspective exploded view of a kind of water-saving check valve of second preferred embodiment.
Figure 12 has illustrated the generalized section of a kind of water-saving check valve of second preferred embodiment, and this moment, a kind of water-saving check valve was in first state.
Figure 13 has illustrated the generalized section of a kind of water-saving check valve of second preferred embodiment, and this moment, a kind of water-saving check valve was in second state.
Figure 14 has illustrated the generalized section of a kind of water-saving check valve of second preferred embodiment, and this moment, a kind of water-saving check valve was in the third state.
Embodiment
First preferred embodiment
Please refer to Fig. 1 to Fig. 8, a kind of water-saving check valve, it comprises a valve body 100, an elastic check part 200 and an elastic water-saving piece 300.
Described valve body 100, it comprises that an external member 110, one cylindric fixed base 120 and some annular displays are fixed in the spoke 130 between external member 110 and the fixed base 120, form the water route within the described external member 110, have between the described adjacent spoke 130 at interval, described interval forms path 140.Be provided with up a step surface 111 within the described external member 110, the top end of described external member 110 is installed with at least two columns 112, described column 112 ends extend to form buckle 113 to the water route direction, because column 112 is unsettled arm, therefore column 112 becomes elastic component, and described buckle 113 becomes Elastic buckle.Be provided with a penetration hole 121 within the described fixed base 120.
Described elastic check part 200, it has the fixing head that an elasticity check sheet 210 and is located at elasticity check sheet 210 front center, and described fixing head has the guide section 240 that clamping section 230 and that adaptive a section 220, of being fixed in elasticity check sheet 210 front center be fixed in adaptive section 220 is fixed in clamping section 230.Among the present embodiment, described fixing head is passed the penetration hole 121 of fixed base 120, and, described adaptive section 220 and adaptive the linking together of penetration hole 121 sealings, described clamping section 230 section area are greater than penetration hole 121 section area, in case anti-avulsion from, for the ease of assembling, best, described clamping section 230 ends are provided with the guide surface of taper.Adopt above-mentioned assembling to make: described fixing head is fixed in fixed base 120, described elasticity check sheet 210 adaptive water routes, wherein: water route current following current, then elasticity check sheet 210 is subjected to the distortion of following current percussion with conduction path 140; Water route current flow backwards, and then elasticity check sheet 210 percussion that flow backwards resets with seal path 140.
Described elastic water-saving piece 300, it offers two water ports of running through 310, and described water-saving piece 300 end faces convex with the boss 320 of 310 numbers such as grade in the water port, and corresponding boss 320 is all passed on the top of described each water port 310, and reaming 330 is offered on the top of described each water port 310.When described elastic water-saving piece 300 was subjected to water route current hydraulic action, described boss 320 can be out of shape to change the water flowing section area of water port 310.Described elastic water-saving piece 300 bottom supporting are on the step surface 111 of external member 110, the outer turning surface sealing of described elastic water-saving piece 300 bottoms is fixed in the interior turning surface at external member 110 tops, and, described buckle 113 is connected to the end face of elastic water-saving piece 300, makes described elastic water-saving piece 300 be fixed within the external member 110.
In order to make a kind of water-saving check valve be convenient to fit into effluent mechanism, best, turning surface is concaved with a fitting recess outside external member 110, is connected with a seal ring 400 within the described fitting recess
Best described external member is provided with down a ladder surface 150, and the bottom surface and the ladder surface of described fixed base 120 flush, and described ladder surface 150 is defined as a small aperture and a large aperture, and the external diameter of described check sheet 210 is greater than the small aperture, and less than the large aperture.
Best, certain path of the lower end aligned of described water port.
In order to make the auditor further understand the utility model, the following mask body introduction non-return working principle of economizing on water.
Please refer to Fig. 4 and Fig. 7, described current forward flow, current hydraulic pressure is little, and make: the water port 310 that current pass water-saving piece 300 enters the water route, and current hydraulic pressure is little, can't make boss 320 distortion; Current inlet passage 140, current hydraulic pressure is little, can't make check sheet 210 distortion, and path 140 is in sealing state, and check valve is in closed condition, is first state;
Please refer to Fig. 5 and Fig. 8, described current forward flow, current hydraulic pressure is big, make: the water port 310 that current pass water-saving piece 300 enters the water route, the current hydraulic action makes described boss 320 distortion at the boss 320 of water-saving piece 300, the water flowing section area of described water port 310 is reduced, reduce flow; Inlet passage 140, current hydraulic pressure is big, check sheet 210 distortion, check valve is in open mode, is second state;
Please refer to Fig. 6 and Fig. 7, described current reverse flow, the current hydraulic action is at check sheet 210 back sides, and make: check sheet 210 is near spoke 130, and seal path 140 realizes non-return state, is the third state.
Second preferred embodiment
Please refer to Fig. 9 to Figure 14, it and the first preferred embodiment difference are: described water-saving piece 300 is arranged on the waterexit end of valve body 100; Described valve body 100 also comprises a retainer ring 160, and described retainer ring 160 is screwed onto turning surface in external member 110 bottoms, and described retainer ring 160 lower ends are provided with fixed edge 161 inwardly; Described elastic water-saving piece 300 is arranged within the external member 110 and is supported on the fixed edge 161, and simultaneously described elastic water-saving piece 300 outer turning surface sealings are fixed in the interior turning surface of external member 110 bottoms and the interior turning surface of retainer ring 160.
The above, it only is the utility model preferred embodiment, so can not limit the scope that the utility model is implemented according to this, i.e. the equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model contains.
Claims (8)
1. water-saving check valve, it is characterized in that: it comprises:
One valve body, it has a water route, and is positioned at the fixed base within the water route and at least one fixed base is fixed in spoke within the water route, forms path between described those spokes;
One elastic check part, it have one when the current following current of water route distortion reset with conduction path and when the water route current flow backwards and to be located at the fixing head of elasticity check sheet front center with the elasticity check sheet and of seal path, described fixing head is fixed in fixed base, the adaptive water route of described elasticity check sheet; And
One elastic water-saving piece, it offers at least onely runs through and can be out of shape to change the water port of water flowing section area by water route current hydraulic action, and described elastic water-saving piece is sealingly connected within the water route of valve body.
2. a kind of water-saving check valve according to claim 1 is characterized in that: be provided with a penetration hole within the described fixed base; Described fixing head has the guide section that clamping section and that adaptive a section, of being fixed in elasticity check sheet front be fixed in adaptive section is fixed in the clamping section, described fixing head is passed penetration hole, and, described adaptive section and adaptive the linking together of penetration hole sealing, described clamping section section area is greater than the penetration hole section area.
3. a kind of water-saving check valve according to claim 1 is characterized in that: described water-saving piece end face convexes with the boss with number such as water port, and corresponding boss is all passed on the top of described each water port.
4. according to claim 1 or 2 or 3 described a kind of water-saving check valves, it is characterized in that:
Described valve body comprises an external member, and described spoke is installed between fixed base and the external member;
The top end of described external member is installed with at least two columns, and described column end extends to form buckle to the water route direction;
The outer turning surface sealing of described elastic water-saving piece bottom is fixed in the interior turning surface at external member top, and described buckle is connected to the end face of elastic water-saving piece.
5. a kind of water-saving check valve according to claim 4 is characterized in that: be provided with step surface up within the described external member, described elastic water-saving piece bottom supporting is on step surface.
6. according to claim 1 or 2 or 3 described a kind of water-saving check valves, it is characterized in that:
Described valve body comprises an external member and a retainer ring, and described retainer ring is fixed in the external member bottom, and described retainer ring lower end is provided with fixed edge inwardly;
Described elastic water-saving piece is arranged within the external member and is supported on the fixed edge, and sealing simultaneously is fixed in the interior turning surface of external member bottom.
7. a kind of water-saving check valve according to claim 2 is characterized in that: described elasticity check sheet comprises the V-arrangement section that a basic segment and is stretched out and formed by the basic segment periphery, and described V-arrangement section opening is towards forward.
8. a kind of water-saving check valve according to claim 7 is characterized in that: described V-arrangement section comprise one by the basic segment periphery to outward extending tilting section dorsad and by tilting section to the outward extending promptly section of forward.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202526095U CN201739591U (en) | 2010-07-08 | 2010-07-08 | Water-saving check valve |
| PCT/CN2011/076607 WO2012003776A1 (en) | 2010-07-08 | 2011-06-30 | Water-saving check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202526095U CN201739591U (en) | 2010-07-08 | 2010-07-08 | Water-saving check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201739591U true CN201739591U (en) | 2011-02-09 |
Family
ID=43554866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202526095U Expired - Fee Related CN201739591U (en) | 2010-07-08 | 2010-07-08 | Water-saving check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201739591U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012003776A1 (en) * | 2010-07-08 | 2012-01-12 | 厦门松霖科技有限公司 | Water-saving check valve |
| CN102943911A (en) * | 2012-10-15 | 2013-02-27 | 齐继志 | Indoor flow-limiting shutoff valve and outdoor flow-limiting check valve of heat supply system |
| CN105782519A (en) * | 2016-02-15 | 2016-07-20 | 惠州市漫霖卫浴制品有限公司 | One-way valve |
-
2010
- 2010-07-08 CN CN2010202526095U patent/CN201739591U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012003776A1 (en) * | 2010-07-08 | 2012-01-12 | 厦门松霖科技有限公司 | Water-saving check valve |
| CN102943911A (en) * | 2012-10-15 | 2013-02-27 | 齐继志 | Indoor flow-limiting shutoff valve and outdoor flow-limiting check valve of heat supply system |
| CN105782519A (en) * | 2016-02-15 | 2016-07-20 | 惠州市漫霖卫浴制品有限公司 | One-way valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20160708 |