CN103216650B - Flow control valve - Google Patents
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- CN103216650B CN103216650B CN201310040387.9A CN201310040387A CN103216650B CN 103216650 B CN103216650 B CN 103216650B CN 201310040387 A CN201310040387 A CN 201310040387A CN 103216650 B CN103216650 B CN 103216650B
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Abstract
The invention provides a kind of flow control valve, belong to valve technology field.It solve existing flow control valve poor stability, regulate the problems such as slow.This flow control valve includes having water inlet end, valve pocket and the valve body of water side, regulator base it is fixed with in water side, actuator it is provided with in valve pocket, actuator has dividing flange near the first end circumference of water inlet end, through hole is offered in the middle part of actuator, in actuator stretches into regulator base away from the second end section of water inlet end and be provided with the axial limit structure preventing actuator from departing from regulator base at the second end, memory alloy spring it is cased with outside actuator, there is in regulator base close second end and the valve seat of the second end can be blocked, the needle stretching in actuator it is fixed with on valve seat, needle front end is round table-like to this section in the middle part of needle, needle point diameter is positioned at the port of actuator the first end less than needle mid diameter and needle front end.The present invention has advantages such as regulating quick, good stability and length in service life.
Description
Technical field
The invention belongs to valve technology field, relate to a kind of flow control valve, particularly to
A kind of flow control valve that can automatically adjust flow.
Background technology
At present, flow control valve is widely used in hot-water heating industry, is come by water flow temperature
Regulation flow is to ensure that leaving water temperature reaches a stationary value, and existing flow control valve has
Carrying out regime flow with skin both sides differential pressure of membrane, useful memory alloy spring stretches according to water temperature
Regulate different flow with change water inlet gap, also have employing two spring controlled,
One of them spring is used for stabilizing water quantity, and another memory alloy spring stretches according to water temperature
Regulating different flow with change water inlet gap, these above-mentioned flow control valves all exist
The shortcoming that volume is big, structure is complicated and production cost is higher.
For the problem of above-mentioned existence, people devise various flow control valve,
It is a kind of from water dress water that some has also applied for that patent, such as Chinese patent literature data disclose
Valve [application number: 200520047918.8；Authorization Notice No.: CN2861681Y], its bag
Including valve group and blade assembly, valve group includes spool, compression plate, stage clip, spring base, valve
Seat, valve seat and spool are arranged in this valve body at paddle hole, between spool and valve seat
Being arranged with a stage clip, stage clip is installed on a spring base in nearly valve seat side, and valve core housing exists
In compression plate.
Above-mentioned patent arranges the knot made from water dress water valve (flow control valve) by structure
Structure is simple, small volume, and its memory alloy spring during regulation is flexible to be subject to drive
Pressing plate away from or near valve seat so that spool away from or near valve seat, to change apopore
Area, changes water flow, but when memory alloy spring flexible drive compression plate moves,
Being affected by current hydraulic pressure, compression plate can be shaken unavoidably, so causes flow to fluctuate,
Stability is bad, it is impossible to ensure stable water flow so that leaving water temperature fluctuates,
Leaving water temperature cannot be made to reach stationary value, and when hydraulic pressure or water temperature change greatly, memory is closed
Gold spring contraction make compression plate to the more distance of valve seat displacement, when memory alloy spring is extensive
Compression plate can be promoted to reset time multiple, now compression plate occurs shake easily to contact valve interior wall
And cannot reset so that cannot normally work from water dress water valve (flow control valve), only
Can carry out maintenance to change, shorten its service life, above-mentioned regulation is that single change
Discharge, regulate the sensitiveest quickly, when additionally manufacturing, it is impossible to ensure each from water fill
Memory alloy spring in water valve (flow control valve) has on all four length and stretches
Contracting amount, the concordance of product is poor, and during also regulating, the flow at spool is not sufficiently stable.
Summary of the invention
It is an object of the invention to for the above-mentioned problems in the prior art, it is provided that one
Kind of Flow-rate adjustment quickly and has the flow control valve of steady flow result.
The purpose of the present invention can be realized by following technical proposal: a kind of flow control valve,
Including having the valve body of water inlet end, valve pocket and water side, it is fixed with in described water side
Tubular regulator base, is provided with tubular actuator, its feature in described valve pocket
Being, described actuator has dividing near the first end circumference of water inlet end
Flange, offers through hole in the middle part of described actuator, actuator is away from the second of water inlet end
Being provided with in end portion stretches into regulator base and at the second end prevents actuator from departing from regulator base
Axial limit structure, be cased with memory alloy spring outside described actuator, described
One end of memory alloy spring acts on flange, and the other end of memory alloy spring acts on
Regulator base, has in described regulator base near the second end and can block the second end
Valve seat, described valve seat is fixed with the needle stretching in actuator, before described needle
Hold to this section in the middle part of needle be round table-like, needle point diameter less than needle mid diameter and
Needle front end is positioned at the port of actuator the first end.
During the work of this flow control valve, current enter valve pocket from the water inlet end of valve body, from tune
Water inlet gap between first end and the needle of joint device enters, then from the second end and valve seat it
Between the water space that goes out flow to water side, thus water outlet.When water inlet end hydraulic pressure increases suddenly,
The flange of actuator moves axially to valve seat direction under the effect of water inlet end hydraulic pressure, i.e. adjusts
Joint seat moves axially to valve seat direction, the now water inlet between actuator the first end and needle
Gap reduces, and the flow entering actuator reduces, isochronous governor the second end and valve seat it
Between go out water space reduce, so make water flow reduce, it is ensured that water flow is quick
Reaching stationary value, if water inlet end hydraulic pressure is very big, actuator the second end contacts at valve seat, valve
Second end seal is blocked up by seat, water side not water outlet, when water inlet end hydraulic pressure recovers, and memorial alloy
Spring provides elastic force that actuator is moved axially away from valve seat, makes actuator reset；When
When water inlet end hydraulic pressure reduces suddenly, memory alloy spring provide elastic force make actuator away from
Valve seat moves axially, and the water inlet gap between actuator the first end and needle increases, and enters
The flow of actuator increases, and the water space that goes out between isochronous governor the second end and valve seat increases
Greatly, so make water flow increase, it is ensured that the fast quick-recovery of water flow to stationary value,
When water inlet end hydraulic pressure recovers, hydraulic pressure acts on flange and makes actuator axial to valve seat direction
Mobile, make actuator reset.
The current entered from water inlet end flow to memorial alloy bullet by the through hole in the middle part of actuator
At spring, when water inlet end water flow temperature reduces, memory alloy spring elongation promotes actuator
Moving axially away from valve seat, the water inlet gap between actuator the first end and needle increases,
The flow entering actuator increases, between the water outlet between isochronous governor the second end and valve seat
Gap increases so that water flow increases, it is ensured that final mixed flow can keep one stable
Temperature value, when water inlet end water flow temperature recovers, memory alloy spring recovers to normality, enters
The water flow pressure of water end (W.E.) promotes actuator to reset；When water inlet end water flow temperature raises, note
Recalling alloy spring to shorten, water flow pressure promotes actuator to move axially to valve seat direction, adjusts
Water inlet gap between joint device the first end and needle reduces, and the flow entering actuator reduces,
The water space that goes out between isochronous governor the second end and valve seat reduces so that water flow subtracts
Little, it is ensured that final mixed flow can keep a stable temperature value, water inlet end water flow temperature
During recovery, memory alloy spring recovers to normality and promotes actuator to reset.
This flow control valve is by increasing needle, and the setting of needle can regulate itself and regulation
The water inlet gap of device the first end, plays auxiliary adjustment effect so that Flow-rate adjustment process is fast
Speed is sensitive, and the current additionally entered from actuator the first end can be shunted by needle, such valve
Pin also acts as current stabilization effect, and the regulation process stability of this flow control valve is good.
In above-mentioned flow control valve, described needle front end has tapered tip
Portion, described pointed nose part stretches out the end of actuator the first end.The setting of pointed nose
Needle is facilitated to shunt to enter the water flow stationary in actuator.
In above-mentioned flow control valve, the first end of described actuator has to varus
The circular fold of folding, described flanging forms the enlarging passed for valve needle head, described
Enlarging diameter small end near water inlet end.Enlarging and needle front end are to the conical surface of center
Match, make the water flow stationary entered from actuator the first end.
In above-mentioned flow control valve, threaded with valve seat in described needle rear end.
This flow control valve needs debugging before dispatching from the factory, and can regulate valve by rotating needle rear end
Water inlet gap between pin front end and actuator the first end, so to memory alloy spring energy
Enough make regulation to compensate so that the range of accommodation of each flow regulator is consistent, product one
Cause is good.
In above-mentioned flow control valve, it is provided with between described actuator and valve body and can make
The guide frame that regulator stable moves axially.This flow control valve regulation during,
Actuator is under the guide effect of guide frame, it is possible to the most mobile, and current regulate
Process stability is good, and additionally actuator moves axially steadily, it is ensured that memory alloy spring is subject to
Power is uniform, extends service life.
In above-mentioned flow control valve, described guide frame includes the first end end axis
Turning edge to the some lobes extended, described valve interior wall has step, in described step
Portion formed for turn edge through pilot hole.When actuator moves axially, turn edge and guiding
Hole is moved, contacts with pilot hole hole wall because turning edge, thus play axially directed effect,
Actuator moves axially steadily, and flange will not be shaken so that Flow-rate adjustment process is steady
Fixed, the most some lobes turn edge and will not play iris action, and the current of water inlet end can be from turning edge that
Gap between this flow on flange, and flange can quickly be experienced the pressure of water inlet end current and become
Changing and make corresponding regulation, regulation is sensitive quickly.
In above-mentioned flow control valve, described guide frame also includes flange sidepiece axle
To the guide part extended.When actuator moves axially, guide part is contacted with valve interior wall,
Add the contact area of flange and valve interior wall, it is ensured that regulator shaft moves to steady,
Flange will not be shaken so that Flow-rate adjustment process stabilization.
In above-mentioned flow control valve, described guide part is axial to flange lateral symmetry
Extend.So arrange make actuator away from or near valve seat move axially time, guide part
All ensureing that flange and valve interior wall have enough contacts area, flange will not be shaken, and adjusts
Joint device moves axially steadily.
In above-mentioned flow control valve, described axial limit structure included for the second end week
To the rib having and the jump ring being fixed in regulator base, described rib is positioned at jump ring
And between valve seat and rib can be resisted against jump ring.When actuator moves axially away from valve seat,
When reaching ultimate range, the rib of actuator the second end is resisted against jump ring, and jump ring stops to be adjusted
Joint device departs from regulator base.
In above-mentioned flow control valve, described regulator base is fixed with spring base,
One end of described memory alloy spring is positioned at spring base, and described jump ring is positioned at spring
Compress between seat and regulator base and by spring base.Arranging of spring base facilitates memorial alloy
Location installed by spring, and additionally jump ring is pressed in regulator base by spring base so that jump ring is fixed
Position is firm.
Compared with prior art, the flow control valve that the present invention provides has the advantage that
1, this flow control valve is by increasing needle, and the setting of needle can regulate it and adjust
The water inlet gap of joint device the first end, plays auxiliary adjustment effect so that Flow-rate adjustment process
Rapid sensitive.
2, the water entered from actuator the first end can be flow to by the needle in this flow control valve
Row shunting, serves current stabilization effect so that regulation process stability is good.
3, this flow control valve needs debugging before dispatching from the factory, permissible by rotating needle rear end
Water inlet gap between regulation needle front end and actuator the first end, so to memorial alloy
Spring can be made regulation and compensate so that the range of accommodation of each flow regulator is consistent,
Good product consistency.
4, this flow control valve has guide frame, and actuator is made in the guiding of guide frame
Under with, it is possible to the most mobile, current regulation process stability is good, additionally actuator
Move axially steadily, it is ensured that memory alloy spring uniform force, extend service life.
Accompanying drawing explanation
Fig. 1 is the structure sectional view of this flow control valve.
Fig. 2 is the structural representation of actuator in this flow control valve.
In figure, 1, valve body；1a, water inlet end；1b, valve pocket；1c, water side；2、
Regulator base；3, actuator；3a, the first end；3a1, flanging；3a2, enlarging；3b、
Flange；3b1, guide part；3c, the 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 base.
Detailed description of the invention
The following is the specific embodiment of the present invention and combine accompanying drawing, the technical side to the present invention
Case is further described, but the present invention is not limited to these embodiments.
As it is shown in figure 1, this flow control valve include having water inlet end 1a, valve pocket 1b and
The valve body 1 of water side 1c, is fixed with tubular regulator base 2, valve in the 1c of water side
Being provided with tubular actuator 3 in the 1b of chamber, actuator 3 is near the first of water inlet end 1a
End 3a circumference has dividing flange 3b, offers through hole in the middle part of actuator 3
3d, actuator 3 stretches in regulator base 2 away from the second end 3c part of water inlet end 1a
And second be provided with the axial limiting knot preventing actuator 3 from departing from regulator base 2 at end 3c
Structure, is cased with memory alloy spring 4, one end of memory alloy spring 4 outside actuator 3
Acting on flange 3b, the other end of memory alloy spring 4 acts on regulator base 2, adjusts
There is in joint device seat 2 close second end 3c and the valve seat 5 of the second end 3c, valve can be blocked
It is fixed with the needle 6 stretched in actuator 3, in needle 6 front end to needle 6 on seat 5
This section of portion is round table-like, and needle 6 point diameter is less than needle 6 mid diameter and needle 6
Front end is positioned at the port of actuator 3 first end 3a.
Describe in detail further, as depicted in figs. 1 and 2, needle 6 rear end and valve seat 5 screw thread
Connecting, needle 6 front end has tapered pointed nose 6a, pointed nose 6a part and stretches out
The end of actuator 3 first end 3a, the first end 3a tool of actuator 3 in the present embodiment
Have the circular fold 3a1 of fold inward, flanging 3a1 to be formed to wear for needle 6 pointed nose 6a
The enlarging 3a2 gone out, enlarging 3a2 diameter small end is near water inlet end 1a.Actuator 3 with
It is provided with the guide frame that actuator 3 can be made stably to move axially between valve body 1, guides knot
Structure includes that the first axially extended some lobes in end 3a end turn edge 7, and valve body 1 inwall has
Step 8, is formed in the middle part of step 8 for turning edge 7 pilot holes 9 passed, in order to ensure to turn edge
7 contact with pilot hole 9 circumference when moving axially, and 7 quantity that turn edge in the present embodiment are four
Lobe and circumference are uniformly distributed.Guide frame also includes the guiding of flange 3b sidepiece axial extension
Portion 3b1, guide part 3b1 are to flange 3b lateral symmetry axial extension.Axial limit structure
The rib 10 having including the second end 3c circumference and the jump ring being fixed in regulator base 2
11, rib 10 is between jump ring 11 and valve seat 5 and rib 10 can be resisted against jump ring
11, when actuator 3 moves axially away from valve seat 5, when reaching ultimate range, actuator
The rib 10 of 3 second end 3c is resisted against jump ring 11, and jump ring 11 stops actuator 3 to depart from
Regulator base 2.Memory alloy spring 4 is installed location and makes jump ring 11 position for convenience
Firm, regulator base 2 is fixed with spring base 12, the position, one end of memory alloy spring 4
In spring base 12, jump ring 11 is between spring base 12 and regulator base 2 and by bullet
Spring abutment 12 compresses.
This flow control valve needs debugging before dispatching from the factory, permissible by rotating needle 6 rear end
Water inlet gap between regulation needle 6 front end and actuator 3 first end 3a, so to note
Recall alloy spring 4 and can make regulation compensation so that the regulation of each flow regulator 3
Scope is consistent, good product consistency.
During the work of this flow control valve, current enter valve pocket from the water inlet end 1a of valve body 1
1b, enters from the water inlet gap between the first end 3a and the needle 6 of actuator 3, then from
The water space that goes out between second end 3c and valve seat 5 flow to water side 1c, thus water outlet.
When water inlet end 1a hydraulic pressure increases suddenly, the flange 3b of actuator 3 is at water inlet end 1a
Moving axially to valve seat 5 direction under the effect of hydraulic pressure, i.e. adjustment seat is to valve seat 5 axis of orientation
To movement, now the water inlet gap between actuator 3 first end 3a and needle 6 reduces,
The flow entering actuator 3 reduces, between isochronous governor 3 second end 3c and valve seat 5
Go out water space reduce, so make water flow reduce, it is ensured that water flow quickly reaches
To stationary value, if water inlet end 1a hydraulic pressure is very big, actuator 3 second end 3c contacts at valve
Seat 5, the second end 3c is blocked by valve seat 5, water side 1c not water outlet, water inlet end 1a water
When pressure is recovered, memory alloy spring 4 provides elastic force to make actuator 3 away from valve seat 5 axle
To movement, actuator 3 is made to reset；When water inlet end 1a hydraulic pressure reduces suddenly, memory is closed
Gold spring 4 provides elastic force that actuator 3 is moved axially away from valve seat 5, actuator 3
Water inlet gap between first end 3a and needle 6 increases, and the flow entering actuator 3 increases
Greatly, the water space that goes out between isochronous governor 3 second end 3c and valve seat 5 increases, so
Water flow is increased, it is ensured that the fast quick-recovery of water flow to stationary value, water inlet end 1a
When hydraulic pressure recovers, hydraulic pressure acts on flange 3b and makes actuator 3 axial to valve seat 5 direction
Mobile, make actuator 3 reset.
The current entered from water inlet end 1a flow to note by the through hole 3d in the middle part of actuator 3
Recall at alloy spring 4, when water inlet end 1a water flow temperature reduces, memory alloy spring 4
Elongation promotes actuator 3 to move axially away from valve seat 5, actuator 3 first end 3a and valve
Water inlet gap between pin 6 increases, and the flow entering actuator 3 increases, and regulates simultaneously
The water space that goes out between device 3 second end 3c and valve seat 5 increases so that water flow increases,
Ensureing that final mixed flow can keep a stable temperature value, water inlet end 1a water flow temperature is extensive
Time multiple, memory alloy spring 4 recovers to normality, and the water flow pressure of water inlet end 1a promotes to be adjusted
Joint device 3 resets；When water inlet end 1a water flow temperature raises, memory alloy spring 4 shortens,
Water flow pressure promotes actuator 3 to move axially to valve seat 5 direction, actuator 3 first end
Water inlet gap between 3a and needle 6 reduces, and the flow entering actuator 3 reduces, with
Time actuator 3 second end 3c and valve seat 5 between go out water space reduce so that go out current
Amount reduces, it is ensured that final mixed flow can keep a stable temperature value, water inlet end 1a
When water flow temperature recovers, memory alloy spring 4 recovers to normality and promotes actuator 3 multiple
Position.
This flow control valve by increase needle 6, the setting of needle 6 can regulate its with
The water inlet gap of actuator 3 first end 3a, plays auxiliary adjustment effect so that flow is adjusted
Joint process rapid sensitive, the current entered from actuator 3 first end 3a can be by needle 6
Shunting, such needle 6 also acts as current stabilization effect, and the regulation process of this flow control valve is steady
Qualitative good, additionally this flow control valve is during regulation, when actuator 3 moves axially
Time, turning edge and 7 move in pilot hole 9,7 contacting with pilot hole 9 hole wall because turning edge,
Thus playing axially directed effect, actuator 3 moves axially steadily, also guide part 3b1
It is contacted with valve body 1 inwall, adds the contact area of flange 3b and valve body 1 inwall, enter
One step ensures that actuator 3 is the most mobile, and flange 3b will not shake so that stream
Amount regulation process stabilization, actuator 3 moves axially steadily, also ensure that memorial alloy bullet
Spring 4 uniform force, extends service life.
Specific embodiment described herein is only to present invention spirit theory for example
Bright.Those skilled in the art can be to described specific embodiment
Make various amendment or supplement or use similar mode to substitute, but without departing from
The spirit of the present invention or surmount scope defined in appended claims.
Although the most more employing valve body 1, water inlet end 1a, valve pocket 1b, water side
1c, regulator base 2, actuator the 3, first end 3a, flanging 3a1, enlarging 3a2, turn over
Limit 3b, guide part 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, card
The terms such as spring 11, spring base 12, but it is not precluded from using the probability of other term.
Use these terms to be only used to more easily to describe and explain the essence of the present invention；?
They are construed to any additional restriction is all contrary with spirit of the present invention.
Claims (10)
1. a flow control valve, including have water inlet end (1a), valve pocket (1b) and
The valve body (1) of water side (1c), is fixed with in tubular in described water side (1c)
Regulator base (2), be provided with tubular actuator (3) in described valve pocket (1b),
It is characterized in that, described actuator (3) is near first end (3a) of water inlet end (1a)
Circumference has dividing flange (3b), and described actuator (3) middle part is offered
Having through hole (3d), actuator (3) is away from the second end (3c) portion of water inlet end (1a)
Divide in stretching into regulator base (2) and the second end (3c) place is provided with and prevents actuator (3)
Depart from the axial limit structure of regulator base (2), described actuator (3) outer sheath
Having memory alloy spring (4), one end of described memory alloy spring (4) acts on turns over
Limit (3b), the other end of memory alloy spring (4) acts on regulator base (2), institute
Have in the regulator base (2) stated near the second end (3c) and the second end (3c) can be blocked
Valve seat (5), described valve seat (5) is fixed with the valve stretched in actuator (3)
Pin (6), this section of middle part, described needle (6) front end to needle (6) is round table-like,
Needle (6) point diameter is positioned at less than needle (6) mid diameter and needle (6) front end
The port of actuator (3) first end (3a).
Flow control valve the most according to claim 1, it is characterised in that described
Needle (6) front end has tapered pointed nose (6a), described pointed nose (6a)
Part stretches out the end of actuator (3) first end (3a).
Flow control valve the most according to claim 2, it is characterised in that described
First end (3a) of actuator (3) has the circular fold (3a1) of fold inward, institute
The flanging (3a1) stated forms the enlarging (3a2) passed for needle (6) pointed nose (6a),
Described enlarging (3a2) diameter small end is near water inlet end (1a).
4. according to the flow control valve described in claim 1 or 2 or 3, it is characterised in that
Threaded with valve seat (5) in described needle (6) rear end.
5. according to the flow control valve described in claim 1 or 2 or 3, it is characterised in that
Being provided with between described actuator (3) and valve body (1) to make actuator (3) stablize axle
To the guide frame of movement.
Flow control valve the most according to claim 5, it is characterised in that described
Guide frame includes that the axially extended some lobes in the first end (3a) end turn edge (7), institute
Valve body (1) inwall stated has step (8), and described step (8) middle part is formed and supplies
Turn edge the pilot hole (9) that (7) pass.
Flow control valve the most according to claim 6, it is characterised in that described
Guide frame also includes the guide part (3b1) of flange (3b) sidepiece axial extension.
Flow control valve the most according to claim 7, it is characterised in that described
Guide part (3b1) is to flange (3b) lateral symmetry axial extension.
9. according to the flow control valve described in claim 1 or 2 or 3, it is characterised in that
Described axial limit structure include rib (10) that the second end (3c) circumference has and
The jump ring (11) being fixed in regulator base (2), described rib (10) is positioned at card
Between spring (11) and valve seat (5) and rib (10) can be resisted against jump ring (11).
Flow control valve the most according to claim 9, it is characterised in that described
Regulator base (2) on be fixed with spring base (12), described memory alloy spring (4)
One end be positioned at spring base (12), described jump ring (11) is positioned at spring base (12)
And between regulator base (2) and by spring base (12) compression.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103216650A CN103216650A (en) | 2013-07-24 |
| CN103216650B true 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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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107166048B (en) * | 2017-06-09 | 2019-01-01 | 杭州强邦精密机械电器有限公司 | Novel structure gas proportioning valve |
| CN109944955B (en) | 2017-12-20 | 2021-03-30 | 西门子瑞士有限公司 | 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08320079A (en) * | 1995-05-24 | 1996-12-03 | Piolax Inc | Flow control valve |
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2013
- 2013-01-23 CN CN201310040387.9A patent/CN103216650B/en active Active
Patent Citations (6)
| 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 |
| 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 |
| CN201262257Y (en) * | 2008-07-21 | 2009-06-24 | 深圳成霖洁具股份有限公司 | Inverse reflux valve |
| CN101457850A (en) * | 2008-12-31 | 2009-06-17 | 陈通平 | Flow automatic control 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 | Publication date |
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| CN103216650A (en) | 2013-07-24 |
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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 |