CN103216650A - Flow regulating valve - Google Patents
Flow regulating valve Download PDFInfo
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- CN103216650A CN103216650A CN2013100403879A CN201310040387A CN103216650A CN 103216650 A CN103216650 A CN 103216650A CN 2013100403879 A CN2013100403879 A CN 2013100403879A CN 201310040387 A CN201310040387 A CN 201310040387A CN 103216650 A CN103216650 A CN 103216650A
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Abstract
The invention provides a flow regulating valve, and belongs to the technical field of valves. The problems of poor stability, low regulation speed and the like of the conventional flow regulating valve are solved. The flow regulating valve comprises a valve body with a water inlet end, a valve cavity and a water outlet end. A regulator seat is fixedly arranged in the water outlet end. A regulator is arranged in the valve cavity. An upturned edge with a separation function is arranged on the periphery of the first end, which is close to the water inlet end, of the regulator. A through hole is reserved in the middle part of the regulator. The second end, which is away from the water inlet end, of the regulator partially extends into the regulator seat, and an axial limiting structure for preventing the regulator from being separated from the regulator seat is arranged at the second end. A memory alloy spring is sleeved outside the regulator. A valve seat capable of sealing the second end is arranged in the regulator seat, and is close to the second end. A valve needle extending into the regulator is fixedly arranged on the valve seat. A section of the valve needle from the front end to the middle part is shaped like a circular truncated cone. The front end of the valve needle has a diameter smaller than that of the middle part of the valve needle, and is positioned at the port of the first end of the regulator. The flow regulating valve has the advantages of high regulation speed, high stability, long service life and the like.
Description
Technical field
The invention belongs to valve technology field, relate to a kind of flow control valve, the particularly a kind of flow control valve that can adjust flow automatically.
Background technique
At present, flow control valve is widely used in the hot-water heating industry, regulate flow by the current temperature and reach a stationary value to guarantee water-exit temperature, the useful epithelium of existing flow control valve both sides pressure reduction comes regime flow, useful memory alloy spring is regulated different flow according to water temperature is flexible to change the water inlet gap, adopt in addition two spring controlled, one of them spring is used for stabilizing water quantity, another memory alloy spring is regulated different flow according to water temperature is flexible to change the water inlet gap, and these above-mentioned flow control valves all exist volume big, the shortcoming that complex structure and cost of production are higher.
At the problem of above-mentioned existence, people have designed various flow control valves, and some has also applied for patent, and for example the Chinese patent literature data discloses a kind of from water dress water valve [application number: 200520047918.8; Notice of authorization number: CN2861681Y], it comprises valve group and blade assembly, the valve group comprises spool, compression plate, stage clip, spring seat, valve seat, valve seat and spool are arranged at paddle hole place in this valve body, between spool and valve seat, be arranged with a stage clip, stage clip is installed on the spring seat in nearly valve seat side, and valve core housing is in compression plate.
Above-mentioned patent makes by structural configuration adorns the simple in structure of water valve (flow control valve) from water, volume is less, its memory alloy spring in adjustment process flexible with drive compression plate away from or near valve seat, make spool away from or near valve seat, to change the osculum area, change water flow, when yet the flexible drive of memory alloy spring compression plate moves, be subjected to the influence of current hydraulic pressure, compression plate can be shaken unavoidably, cause flow to fluctuate like this, stability is bad, can not guarantee water flow stably, make water-exit temperature fluctuate, can't make water-exit temperature reach stationary value, when hydraulic pressure or water temperature change greatly, memory alloy spring shrinks and makes compression plate to the more distance of valve seat displacement, can promote compression plate when memory alloy spring recovers resets, compression plate generation shake this moment contacts valve interior wall easily and can't reset, making can't proper functioning from water dress water valve (flow control valve), can only carry out maintain and replace, shortened its working life, above-mentioned adjusting is single change water flow, regulate fast sensitive inadequately, when making in addition, can't guarantee that each memory alloy spring of adorning in the water valve (flow control valve) from water has on all four length and extending amount, consistency of product is poor, also has the flow at spool place in the adjustment process stable inadequately.
Summary of the invention
The objective of the invention is at the above-mentioned problems in the prior art, provide a kind of Flow-rate adjustment fast and have a flow control valve of steady flow result.
Purpose of the present invention can realize by following technical proposal: a kind of flow control valve, comprise and have feed-water end, the valve body of valve pocket and waterexit end, described waterexit end internal fixation has tubular regulator base, be provided with tubular regulator in the described valve pocket, it is characterized in that, described regulator circumferentially has dividing flange near first end of feed-water end, described regulator middle part offers through hole, regulator stretches in the regulator base away from the second end section of feed-water end and the second end place is provided with the axial limiting structure that prevents regulator disengaging regulator base, the described regulator outside is with memory alloy spring, one end of described memory alloy spring acts on flange, the other end of memory alloy spring acts on regulator base, has valve seat in the described regulator base near second end and energy shutoff second end, be fixed with the needle that stretches in the regulator on the described valve seat, described needle front end is round table-like to this section of needle middle part, and the needle point diameter is positioned at the port of regulator first end less than needle middle part diameter and needle front end.
During the work of this flow control valve, current enter valve pocket from the feed-water end of valve body, enter from first end of regulator and the water inlet gap between the needle, flow to the waterexit end from the water space that goes out between second end and the valve seat again, thus water outlet.When feed-water end hydraulic pressure increases suddenly, the flange of regulator moves axially to the valve seat direction under the effect of feed-water end hydraulic pressure, be that adjustment seat moves axially to the valve seat direction, water inlet gap between regulator first end and the needle reduces at this moment, the flow that enters regulator reduces, the water space that goes out between isochronous governor second end and the valve seat reduces, make that like this water flow reduces, guarantee that water flow reaches stationary value fast, if feed-water end hydraulic pressure is very big, regulator second end contacts at valve seat, valve seat is with the second end shutoff, and not water outlet of waterexit end is when feed-water end hydraulic pressure recovers, memory alloy spring provides elastic force to make regulator move axially away from valve seat, and regulator is resetted; When feed-water end hydraulic pressure reduces suddenly, memory alloy spring provides elastic force to make regulator move axially away from valve seat, water inlet gap between regulator first end and the needle increases, the flow that enters regulator increases, and the water space that goes out between isochronous governor second end and the valve seat increases, and makes water flow increase like this, guarantee that water flow returns to stationary value fast, when feed-water end hydraulic pressure recovered, hydraulic action made regulator move axially to the valve seat direction in flange, and regulator is resetted.
The current that enter from feed-water end flow to memory alloy spring by the through hole in the middle part of the regulator, when feed-water end current temperature reduces, the memory alloy spring elongation promotes regulator and moves axially away from valve seat, water inlet gap between regulator first end and the needle increases, the flow that enters regulator increases, the water space that goes out between isochronous governor second end and the valve seat increases, make water flow increase, guarantee that final mixed flow can keep a stable temperature value, when feed-water end current temperature is recovered, memory alloy spring returns to normality, and the water flow pressure of feed-water end promotes regulator and resets; When feed-water end current temperature raises, memory alloy spring shortens, water flow pressure promotes regulator and moves axially to the valve seat direction, water inlet gap between regulator first end and the needle reduces, and the flow that enters regulator reduces, and the water space that goes out between isochronous governor second end and the valve seat reduces, make water flow reduce, guarantee that final mixed flow can keep a stable temperature value, when feed-water end current temperature was recovered, memory alloy spring returned to normality and promotes regulator and resets.
This flow control valve is by increasing needle, the setting of needle can be regulated the water inlet gap of itself and regulator first end, play the auxiliary adjustment effect, make Flow-rate adjustment process rapid sensitive, the current that enter from regulator first end can be shunted by needle in addition, needle also plays the current stabilization effect like this, the adjustment process good stability of this flow control valve.
In above-mentioned flow control valve, described needle front end has tapered pointed nose, and described pointed nose partly stretches out the end of regulator first end.Being provided with of pointed nose makes things convenient for the needle shunting, makes that the current that enter in the regulator are steady.
In above-mentioned flow control valve, first end of described regulator has the circular fold of inside turnover, and described flanging forms the enlarging that passes for the valve needle head, and described enlarging diameter is than the close feed-water end of small end.Enlarging matches with the conical surface of needle front end to center, makes the current that enter from regulator first end steady.
In above-mentioned flow control valve, described needle rear end is threaded with valve seat.This flow control valve needs debugging before dispatching from the factory, can regulate water inlet gap between needle front end and regulator first end by rotating the needle rear end, can make memory alloy spring like this and regulate compensation, make the regulation range unanimity of each flow regulator, good product consistency.
In above-mentioned flow control valve, be provided with between described regulator and the valve body and can make the axially movable guide structure of regulator stable.This flow control valve is in adjustment process, and regulator can axially steadily move under the leading role of guide structure, current adjustment process good stability, and regulator moves axially steadily in addition, guarantees that memory alloy spring is stressed evenly, has prolonged working life.
In above-mentioned flow control valve, described guide structure comprises that the axially extended some lobes in the first end end turn edge, and described valve interior wall has step, and described step middle part forms for the pilot hole that turns edge and pass.When regulator moves axially, turn edge and in pilot hole, move, contact with the pilot hole hole wall because turn edge, thereby play axially directed effect, regulator moves axially steadily, flange can not shaken, make the Flow-rate adjustment process stabilization, some in addition lobes turn edge and can not play iris action, and the current of feed-water end can flow on the flange from the gap that turns edge each other, flange can be experienced the variation in pressure of feed-water end current fast and make corresponding adjusting, regulates fast responsive.
In above-mentioned flow control valve, described guide structure also comprises the guide portion of flange sidepiece axial extension.When regulator moved axially, guide portion was contacted with valve interior wall, had increased the area of contact of flange and valve interior wall, guaranteed regulator shaft to steadily moving, and flange can not shaken, and made the Flow-rate adjustment process stabilization.
In above-mentioned flow control valve, described guide portion is to flange bilateral symmetry axial extension.Be arranged so that like this regulator away from or near valve seat when moving axially, guide portion guarantees that all flange and valve interior wall have enough area of contact, flange can not shaken, regulator moves axially steadily.
In above-mentioned flow control valve, described axial limiting structure comprises the rib that second end circumferentially has and is fixed on jump ring in the regulator base, described rib between jump ring and valve seat and rib can be resisted against jump ring.When regulator moved axially away from valve seat, when reaching ultimate range, the rib of regulator second end was resisted against jump ring, and jump ring stops regulator to break away from regulator base.
In above-mentioned flow control valve, be fixed with spring seat on the described regulator base, an end of described memory alloy spring is positioned at spring seat, and described jump ring compresses between spring seat and regulator base and by spring seat.Being provided with of spring seat makes things convenient for the memory alloy spring installing and locating, and spring seat is pressed in regulator base with jump ring in addition, makes that the jump ring location is firm.
Compared with prior art, flow control valve provided by the invention has the following advantages:
1, this flow control valve is by increasing needle, and the setting of needle can be regulated the water inlet gap of itself and regulator first end, plays the auxiliary adjustment effect, makes Flow-rate adjustment process rapid sensitive.
2, the needle in this flow control valve can be shunted the current that enter from regulator first end, has played the current stabilization effect, makes the adjustment process good stability.
3, this flow control valve needs debugging before dispatching from the factory, can regulate water inlet gap between needle front end and regulator first end by rotating the needle rear end, can make memory alloy spring like this and regulate compensation, make the regulation range unanimity of each flow regulator, good product consistency.
4, this flow control valve has guide structure, and regulator can axially steadily move under the leading role of guide structure, current adjustment process good stability, and regulator moves axially steadily in addition, guarantees that memory alloy spring is stressed evenly, has prolonged working life.
Description of drawings
Fig. 1 is the structure sectional view of this flow control valve.
Fig. 2 is the structural representation of regulator in this flow control valve.
Among the figure, 1, valve body; 1a, feed-water end; 1b, valve pocket; 1c, waterexit end; 2, regulator base; 3, regulator; 3a, first end; 3a1, flanging; 3a2, enlarging; 3b, flange; 3b1, guide portion; 3c, second end; 3d, through hole; 4, memory alloy spring; 5, valve seat; 6, needle; 6a, pointed nose; 7, turn edge; 8, step; 9, pilot hole; 10, rib; 11, jump ring; 12, spring seat.
Embodiment
Below be specific embodiments of the invention and in conjunction with the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figure 1, this flow control valve comprises having feed-water end 1a, the valve body 1 of valve pocket 1b and waterexit end 1c, waterexit end 1c internal fixation has tubular regulator base 2, be provided with tubular regulator 3 in the valve pocket 1b, regulator 3 circumferentially has dividing flange 3b near the first end 3a of feed-water end 1a, regulator 3 middle parts offer through hole 3d, regulator 3 partly stretches in the regulator base 2 away from the second end 3c of feed-water end 1a and the second end 3c place is provided with the axial limiting structure that prevents regulator 3 disengaging regulator bases 2, regulator 3 outsides are with memory alloy spring 4, one end of memory alloy spring 4 acts on flange 3b, the other end of memory alloy spring 4 acts on regulator base 2, has valve seat 5 in the regulator base 2 near the second end 3c and the energy shutoff second end 3c, be fixed with the needle 6 that stretches in the regulator 3 on the valve seat 5, this section is round table-like to needle 6 front ends to needle 6 middle parts, and needle 6 point diameters are positioned at the port of regulator 3 first end 3a less than needle 6 middle part diameters and needle 6 front ends.
Further describe in detail, as depicted in figs. 1 and 2, needle 6 rear ends are threaded with valve seat 5, needle 6 front ends have tapered pointed nose 6a, pointed nose 6a partly stretches out the end of regulator 3 first end 3a, the first end 3a of regulator 3 has the circular fold 3a1 of inside turnover in the present embodiment, and flanging 3a1 forms the enlarging 3a2 that passes for needle 6 pointed nose 6a, and enlarging 3a2 diameter is than the close feed-water end 1a of small end.Being provided with between regulator 3 and the valve body 1 to make regulator 3 stablize axially movable guide structure, guide structure comprises that the axially extended some lobes in the first end 3a end turn edge 7, valve body 1 inwall has step 8, step 8 middle parts form for turning edge 7 pilot holes that pass 9,7 circumferentially contact with pilot hole 9 when moving axially in order to guarantee to turn edge, 7 quantity that turn edge in the present embodiment are pintongs and circumferentially evenly distribute.Guide structure also comprises the guide portion 3b1 of flange 3b sidepiece axial extension, and guide portion 3b1 is to flange 3b bilateral symmetry axial extension.The axial limiting structure comprises the second end 3c rib 10 that circumferentially has and the jump ring 11 that is fixed in the regulator base 2, rib 10 between jump ring 11 and valve seat 5 and rib 10 can be resisted against jump ring 11, when regulator 3 moves axially away from valve seat 5, when reaching ultimate range, the rib 10 of regulator 3 second end 3c is resisted against jump ring 11, and jump ring 11 stops regulator 3 to break away from regulator base 2.For convenience memory alloy spring 4 installing and locating and make jump ring 11 location firm are fixed with spring seat 12 on the regulator base 2, and an end of memory alloy spring 4 is positioned at spring seat 12, and jump ring 11 compresses between spring seat 12 and regulator base 2 and by spring seat 12.
This flow control valve needs debugging before dispatching from the factory, can regulate water inlet gap between needle 6 front ends and the regulator 3 first end 3a by rotating needle 6 rear ends, can make memory alloy spring 4 like this and regulate compensation, make the regulation range unanimity of each flow regulator 3, good product consistency.
During the work of this flow control valve, current enter valve pocket 1b from the feed-water end 1a of valve body 1, enter from first end 3a of regulator 3 and the water inlet gap between the needle 6, flow to waterexit end 1c from the water space that goes out between the second end 3c and the valve seat 5 again, thus water outlet.When feed-water end 1a hydraulic pressure increases suddenly, the flange 3b of regulator 3 moves axially to valve seat 5 directions under the effect of feed-water end 1a hydraulic pressure, be that adjustment seat moves axially to valve seat 5 directions, water inlet gap between regulator 3 first end 3a and the needle 6 reduces at this moment, the flow that enters regulator 3 reduces, the water space that goes out between isochronous governor 3 second end 3c and the valve seat 5 reduces, make that like this water flow reduces, guarantee that water flow reaches stationary value fast, if feed-water end 1a hydraulic pressure is very big, regulator 3 second end 3c contact at valve seat 5, valve seat 5 is with the second end 3c shutoff, and waterexit end not water outlet of 1c is when feed-water end 1a hydraulic pressure recovers, memory alloy spring 4 provides elastic force to make regulator 3 move axially away from valve seat 5, and regulator 3 is resetted; When feed-water end 1a hydraulic pressure reduces suddenly, memory alloy spring 4 provides elastic force to make regulator 3 move axially away from valve seat 5, water inlet gap between regulator 3 first end 3a and the needle 6 increases, the flow that enters regulator 3 increases, the water space that goes out between isochronous governor 3 second end 3c and the valve seat 5 increases, make water flow increase like this, guarantee that water flow returns to stationary value fast, when feed-water end 1a hydraulic pressure recovers, hydraulic action makes regulator 3 move axially to valve seat 5 directions in flange 3b, and regulator 3 is resetted.
The current that enter from feed-water end 1a flow to memory alloy spring 4 by the through hole 3d at regulator 3 middle parts, when feed-water end 1a current temperature reduces, memory alloy spring 4 elongations promote regulator 3 and move axially away from valve seat 5, water inlet gap between regulator 3 first end 3a and the needle 6 increases, the flow that enters regulator 3 increases, the water space that goes out between isochronous governor 3 second end 3c and the valve seat 5 increases, make water flow increase, guarantee that final mixed flow can keep a stable temperature value, when feed-water end 1a current temperature is recovered, memory alloy spring 4 returns to normality, and the water flow pressure of feed-water end 1a promotes regulator 3 and resets; When feed-water end 1a current temperature raises, memory alloy spring 4 shortens, water flow pressure promotes regulator 3 and moves axially to valve seat 5 directions, water inlet gap between regulator 3 first end 3a and the needle 6 reduces, the flow that enters regulator 3 reduces, the water space that goes out between isochronous governor 3 second end 3c and the valve seat 5 reduces, make water flow reduce, guarantee that final mixed flow can keep a stable temperature value, when feed-water end 1a current temperature was recovered, memory alloy spring 4 returned to normality and promotes regulator 3 and resets.
This flow control valve is by increasing needle 6, the setting of needle 6 can be regulated the water inlet gap of itself and regulator 3 first end 3a, play the auxiliary adjustment effect, make Flow-rate adjustment process rapid sensitive, can be shunted by needle 6 from the current that regulator 3 first end 3a enter, needle 6 also plays the current stabilization effect like this, the adjustment process good stability of this flow control valve, this flow control valve is in adjustment process in addition, when regulator 3 moves axially, turn edge and 7 in pilot hole 9, move, 7 contact because turn edge with pilot hole 9 hole walls, thereby play axially directed effect, regulator 3 moves axially steadily, also has guide portion 3b1 to be contacted with valve body 1 inwall, has increased the area of contact of flange 3b and valve body 1 inwall, guarantee that further regulator 3 axially steadily moves, flange 3b can not shake, and makes Flow-rate adjustment process stabilization, regulator 3 move axially steadily, guaranteed that also memory alloy spring 4 is stressed even, prolonged working life.
Specific embodiment described herein only is that the present invention's spirit is illustrated.The technician of the technical field of the invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although the possibility of using other term do not got rid of in terms such as this paper used valve body 1, feed-water end 1a, valve pocket 1b, waterexit end 1c, regulator base 2, regulator 3, the first end 3a, flanging 3a1, enlarging 3a2, flange 3b, guide portion 3b1, the second end 3c, through hole 3d, memory alloy spring 4, valve seat 5, needle 6, pointed nose 6a, turn edge 7, step 8, pilot hole 9, rib 10, jump ring 11, spring seat 12 morely.Using these terms only is in order to describe and explain essence of the present invention more easily; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (10)
1. flow control valve, comprise and have feed-water end (1a), the valve body (1) of valve pocket (1b) and waterexit end (1c), described waterexit end (1c) internal fixation has tubular regulator base (2), be provided with tubular regulator (3) in the described valve pocket (1b), it is characterized in that, described regulator (3) circumferentially has dividing flange (3b) near first end (3a) of feed-water end (1a), described regulator (3) middle part offers through hole (3d), regulator (3) stretches in the regulator base (2) away from second end (3c) of feed-water end (1a) part and second end (3c) is located to be provided with and prevented that regulator (3) breaks away from the axial limiting structure of regulator base (2), described regulator (3) outside is with memory alloy spring (4), one end of described memory alloy spring (4) acts on flange (3b), the other end of memory alloy spring (4) acts on regulator base (2), has valve seat (5) in the described regulator base (2) near second end (3c) and energy shutoff second end (3c), be fixed with the needle (6) that stretches in the regulator (3) on the described valve seat (5), described needle (6) front end is round table-like to this section of needle (6) middle part, and needle (6) point diameter is positioned at the port of regulator (3) first ends (3a) less than needle (6) middle part diameter and needle (6) front end.
2. flow control valve according to claim 1 is characterized in that, described needle (6) front end has tapered pointed nose (6a), the end that described pointed nose (6a) part is stretched out regulator (3) first ends (3a).
3. flow control valve according to claim 2, it is characterized in that, first end (3a) of described regulator (3) has the circular fold (3a1) of inside turnover, described flanging (3a1) forms the enlarging (3a2) that passes for needle (6) pointed nose (6a), and described enlarging (3a2) diameter is than the close feed-water end of small end (1a).
4. according to claim 1 or 2 or 3 described flow control valves, it is characterized in that described needle (6) rear end is threaded with valve seat (5).
5. according to claim 1 or 2 or 3 described flow control valves, it is characterized in that, be provided with between described regulator (3) and the valve body (1) and can make regulator (3) stablize axially movable guide structure.
6. flow control valve according to claim 5, it is characterized in that, described guide structure comprises the axially extended some lobes in first end (3a) end turn edge (7), described valve body (1) inwall has step (8), and described step (8) middle part forms the pilot hole (9) that passes for turn edge (7).
7. flow control valve according to claim 6 is characterized in that, described guide structure also comprises the guide portion (3b1) of flange (3b) sidepiece axial extension.
8. flow control valve according to claim 7 is characterized in that, described guide portion (3b1) is to flange (3b) bilateral symmetry axial extension.
9. according to claim 1 or 2 or 3 described flow control valves, it is characterized in that, described axial limiting structure comprises the rib (10) that second end (3c) circumferentially has and is fixed on the interior jump ring (11) of regulator base (2) that described rib (10) is positioned between jump ring (11) and the valve seat (5) and rib (10) can be resisted against jump ring (11).
10. flow control valve according to claim 9, it is characterized in that, be fixed with spring seat (12) on the described regulator base (2), one end of described memory alloy spring (4) is positioned at spring seat (12), and described jump ring (11) is positioned between spring seat (12) and the regulator base (2) and by spring seat (12) and compresses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310040387.9A CN103216650B (en) | 2013-01-23 | 2013-01-23 | Flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310040387.9A CN103216650B (en) | 2013-01-23 | 2013-01-23 | Flow control valve |
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| Publication Number | Publication Date |
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| CN103216650A true CN103216650A (en) | 2013-07-24 |
| CN103216650B CN103216650B (en) | 2016-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310040387.9A Active CN103216650B (en) | 2013-01-23 | 2013-01-23 | Flow control valve |
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| CN (1) | CN103216650B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107166048A (en) * | 2017-06-09 | 2017-09-15 | 杭州强邦精密机械电器有限公司 | Novel structure gas proportioning valve |
| CN110185839A (en) * | 2016-08-31 | 2019-08-30 | 芜湖美的厨卫电器制造有限公司 | Flow regulator and gas heater with it |
| US10935272B2 (en) | 2017-12-20 | 2021-03-02 | Siemens Schweiz Ag | Control valve |
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| US5259554A (en) * | 1992-05-15 | 1993-11-09 | Memry Corp. | Temperature responsive, pilot operated line valve with shape memory alloy actuator |
| JPH08320079A (en) * | 1995-05-24 | 1996-12-03 | Piolax Inc | Flow control valve |
| CN1575392A (en) * | 2001-08-31 | 2005-02-02 | 铜斑蛇丘研究公司 | Flow control valve |
| CN2861681Y (en) * | 2005-12-23 | 2007-01-24 | 上海林内有限公司 | Automatic water-filling valve |
| CN101457850A (en) * | 2008-12-31 | 2009-06-17 | 陈通平 | Flow automatic control valve |
| CN201262257Y (en) * | 2008-07-21 | 2009-06-24 | 深圳成霖洁具股份有限公司 | Inverse reflux valve |
| CN203131142U (en) * | 2013-01-23 | 2013-08-14 | 台州博路电子技术有限公司 | Flow regulating valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5259554A (en) * | 1992-05-15 | 1993-11-09 | Memry Corp. | Temperature responsive, pilot operated line valve with shape memory alloy actuator |
| JPH08320079A (en) * | 1995-05-24 | 1996-12-03 | Piolax Inc | Flow control valve |
| CN1575392A (en) * | 2001-08-31 | 2005-02-02 | 铜斑蛇丘研究公司 | Flow control valve |
| CN2861681Y (en) * | 2005-12-23 | 2007-01-24 | 上海林内有限公司 | Automatic water-filling valve |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185839A (en) * | 2016-08-31 | 2019-08-30 | 芜湖美的厨卫电器制造有限公司 | Flow regulator and gas heater with it |
| CN110185839B (en) * | 2016-08-31 | 2021-03-02 | 芜湖美的厨卫电器制造有限公司 | Flow regulating device and gas water heater with same |
| CN107166048A (en) * | 2017-06-09 | 2017-09-15 | 杭州强邦精密机械电器有限公司 | Novel structure gas proportioning valve |
| US10935272B2 (en) | 2017-12-20 | 2021-03-02 | Siemens Schweiz Ag | Control valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103216650B (en) | 2016-12-28 |
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Effective date of registration: 20180428 Address after: 317500 Hengda Road, tantau Industrial Zone, New River Town, Wenling City, Taizhou, Zhejiang (south of Zhejiang Fei Xin Electrical Appliance Co., Ltd.) Patentee after: Taizhou Bo new electronic technology Co.,Ltd. Address before: 317502 Tantou Industrial Park, New River Town, Wenling, Zhejiang (Zhejiang Guang Tao Sanitary Ware Co., Ltd.) Patentee before: TAIZHOU BOLU ELECTRONIC TECHNOLOGY Co.,Ltd. |
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Denomination of invention: Flow regulating valve Effective date of registration: 20221021 Granted publication date: 20161228 Pledgee: Zhejiang Tyrone commercial bank Limited by Share Ltd. Taizhou Wenling branch Pledgor: Taizhou Bo new electronic technology Co.,Ltd. Registration number: Y2022980019156 |
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