CN105090545B - Regulating valve - Google Patents
Regulating valve Download PDFInfo
- Publication number
- CN105090545B CN105090545B CN201510426700.1A CN201510426700A CN105090545B CN 105090545 B CN105090545 B CN 105090545B CN 201510426700 A CN201510426700 A CN 201510426700A CN 105090545 B CN105090545 B CN 105090545B
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- China
- Prior art keywords
- export
- port
- valve
- adjusting rod
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 29
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 230000008676 import Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000003491 array Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 35
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/52—Means for additional adjustment of the rate of flow
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
- Lift Valve (AREA)
Abstract
A regulating valve is arranged in a joint of a pipe network system for use, wherein the joint is provided with internal threads; the regulating valve mainly comprises a valve seat, a valve body, a spring and a regulating rod; the valve body comprises a conical head and a valve rod, the conical head is conical, the conical top faces to the outlet end, the adjusting valve is arranged in a joint of the existing pipe network system, a straight or cross screwdriver can be inserted into a tool hole in the adjusting head to rotate, the position of the adjusting rod on an adjusting hole in the pressing block is changed, the prestress of the spring is changed, the force required for pushing the valve body into an inner hole of the boss is changed, and the flow in unit time is adjusted from the outlet end.
Description
Technical field
The present invention relates to a kind of regulating valve for being adjusted to the flow of fluid in pipe network system, particularly a kind of energy
Enough regulating valves that flow is adjusted from the port of export, belong to the technology controlled for flow in pipe network system.
Background technology
Tap water pipe network, oil plant pipe network and gas pipeline network, in the case of having multiple ports of export, even if the aperture of the port of export
It is identical, but because the pressure of diverse location fluid is different, cause the fluid flowed out from the port of export of diverse location in the unit interval
Amount be different from, or even have bigger difference.
For example, the connection between water supply pipe, the connection between water pipe and tap, are all realized by joint.
Supply water to building, typically there is a two ways, it is a kind of be using booster pump from bottom to top send water mode, one kind is in roof placement
Water tank, the mode conveyed from top to bottom using water-head.Either any to send water mode, different floor hydraulic pressure can not yet
Together, different floor water yields can be caused different.Therefore, designed now with some joints with balanced-out water, it is intended to make not
Water yield trend with floor is identical.
A kind of joint is disclosed in the patent document of Patent No. 201020694120.3, advantage is can be from water inlet end
Position by set screw in throttle valve stem, adjusts the prestressing force of spring, so as to set max water yield, is using water mistake
Cheng Zhong, joint can be automatically adjusted according to the change of hydraulic pressure, use water quantity holding setting maximum magnitude in.Deficiency is to make
During, because the setting of water yield is adjusted from water inlet end, and joint is only installed to the online ability of running water pipe
Adjusted effect, it is necessary to adjust repeatedly when being satisfied with water yield to reach, just must repeated disassembled and assembled joint could implement, this is not
Only trouble regulation is inconvenient；Particularly domestic consumer, because each leading purposes is different, the requirement to water yield is also different, for example
Kitchen wash vegetables tap and toilet wash one's face tap and spray it is first-class, due to the difference of purposes, the requirement to water yield
Difference, the water yield of the tap that for example washes one's face be maintained at 4 liters/min it is just much of that, and spray the water yield requirement of head at 8 liters/min
More than, therefore, user is also required to be adjusted setting to the maximum output of each tap, if being adjusted from water inlet end, just
Need to remove load onto after regulation by related equipment repeatedly to try again, untill satisfaction, the operating time is long, and dismounting is also compared
Trouble, the joint dismounting for concealed installation in wall is just more difficult.
It is, thus, sought for a kind of regulating valve that flow can be adjusted from the port of export.
The content of the invention
The purpose of the present invention is:A kind of regulating valve that flow can be adjusted from the port of export is provided.
The technical scheme is that：A kind of regulating valve, is mainly made up of valve seat 1, valve body 2, spring 3 and adjusting rod 4；Institute
The valve body stated includes conical head and valve rod again, and conical head is taper, and the vertex of a cone is towards the port of export；Described valve seat includes being located at import
Support valve seat 11 and the fixed valve base 12 positioned at the port of export at end, support valve seat and fixed valve base are connected through a screw thread；Described
Fixed valve base is the annular for being provided with central through hole, and the lateral wall of fixed valve base is provided with the outer spiral shell matched with the internal thread of joint
Line, fixed valve base is screwable into the joint of pipe network system by the external screw thread of its outer wall；The end face of fixed valve base entrance point sets
There is annular projection outwardly, the external screw thread matched with the internal thread of the support valve seat port of export is provided with annular projection；
Be provided with boss 121 of the circle to inner process in fixed valve base inwall, boss towards the wall of entrance point be cone, with conical head
Outside wall surface formed negative and positive coordinate；Fixed valve base endoporus between boss and the port of export of fixed valve base is set to and hexagonal work
The hex hole that tool matches, hex tool enters hex hole and forms socket relation, and rotation hex tool drives fixed valve base
Rotation；Described support valve seat 11 is provided with the support of one or more symmetric arrays prominent to entrance point towards the edge of entrance point
Frame 111, block 112, the maximum gauge of the diameter less than conical head of block, gear are provided with the support frame end away from fixed valve base
The axis of block is overlapped with the axis of valve seat, and adjustment hole 113 is set along the axis of block, the spiral shell in adjustment hole inwall is set
Line；Described adjusting rod 4 is provided with the outer spiral shell matched with the internal thread of the adjustment hole inwall on block near the outer wall of entrance point
Line, adjusting rod 4 is provided with first with diameter greater than the regulation of adjusting rod 41 towards the end of the port of export, adjusts wall of the head towards the port of export
It is provided with tooling hole 42；The aperture to import concave end is set towards the wall of the port of export not less than the tune on adjusting rod in valve body
The spring mounting hole 21 of section header external diameter, the regulation rod aperture of insertion valve body is set away from the inwall of the port of export in spring mounting hole 21
22；Set wall from conical head towards entrance point cross at the maximal margin of conical head to the port of export of conical head extend to
The dredging flow groove 23 of conical head sunken inside.
During assembling, by spring housing on adjusting rod, by spring and adjusting rod from taper in the way of regulation head is away from valve body
Spring mounting hole 21 on first end insertion valve body, makes adjusting rod be then passed through supporting valve seat through regulation rod aperture 22, works as adjusting rod
When reaching the adjustment hole of block, adjusting rod is screwed on adjustment hole, then fixed valve base is screwed on support valve seat, make valve
The adjusting rod of body, spring and the port of export positioned at block is all located at supporting in the space formed after valve seat and fixed valve base connection,
Regulating valve assembling is finished, and using preceding, hex tool is inserted the hex hole of the fixed valve base port of export and hex tool is rotated, will
The regulating valve for assembling is screwable into joint by fixed valve base.
Seal groove 43 is provided with the regulation head outer wall of adjusting rod, sealing ring is snapped in into seal groove.
The hollow adjustable column raised to the port of export is set towards the edge of the port of export along regulation rod aperture, in adjustable column and spring
Space is left between mounting hole inwall for fixing spring.
The regulation head of described adjusting rod is cylinder, is used towards the end of the port of export and is with the end face of cylindrical part
Bore the taper at bottom.
Described tooling hole is a word hole or cross bore or hex hole.
Beneficial effect：
1st, by installing regulating valve of the invention in the joint of existing pipe network system, can be inserted with common tool
Tooling hole on regulation head is rotated, so that change position of the adjusting rod on the adjustment hole on briquetting, so that
The prestressing force of spring is changed, the strength required for promoting valve body to enter boss endoporus is also just changed, so that real
The flow that the unit interval is adjusted from the port of export is showed.
Brief description of the drawings
Fig. 1 is explosive view of the invention；
Fig. 2 is the dimensional structure diagram of valve body of the invention；
Fig. 3 is the dimensional structure diagram of another angle of valve body of the invention；
Fig. 4 is the cross-sectional view of valve body of the invention；
Fig. 5 is the dimensional structure diagram of adjusting rod of the invention；
Fig. 6 is the dimensional structure diagram of another angle of adjusting rod of the invention；
Fig. 7 is the cross-sectional view of valve seat of the invention；
Fig. 8 is the generalized section that the present invention is used in joint；
Fig. 9 is the generalized section of another angle that the present invention is used in joint.
Specific embodiment
As shown in Fig. 1 to Fig. 9, a kind of regulating valve is placed in the joint of pipe network system and uses, in described joint is provided with
Screw thread.The joint of some pipe network systems inherently carries internal thread, is mounted directly regulating valve of the invention；Some only have external screw thread
Do not have female joint, it is necessary to first car goes out and the outer spiral shell in regulating valve in its endoporus before regulating valve of the invention is installed
The internal thread that line matches.
Regulating valve is mainly made up of valve seat 1, valve body 2, spring 3 and adjusting rod 4, is provided with valve seat and the interior spiral shell on joint
The external screw thread that line matches, enables regulating valve to be arranged in joint and uses.
Described valve body includes conical head and valve rod again, and conical head is taper, and the vertex of a cone is towards the port of export.
Described valve seat includes support valve seat 11 and the fixed valve base 12 positioned at the port of export positioned at entrance point, supports valve seat
It is connected through a screw thread with fixed valve base.
Described fixed valve base 12 is to be provided with the annular of central through hole, fixed valve base near the lateral wall of the port of export be provided with
The external screw thread that the internal thread of joint matches, the lateral wall of fixed valve base entrance point is provided with the internal thread with the support valve seat port of export
The external screw thread for matching, the diameter of the described support valve seat port of export is less than the minimum-value aperture of joint internal thread；In fixed valve base
Inwall is provided with boss 121 of the circle to inner process, boss towards the wall of entrance point be cone, the outside wall surface shape with conical head
Coordinate into negative and positive, the fixed valve base endoporus between boss and the port of export of fixed valve base is the hexagon matched with hex tool
Hole, hex tool enters hex hole and forms occluding relation, and rotation hex tool drives fixed valve base rotation.
Described support valve seat 11 is provided with one or more symmetric arrays prominent to entrance point towards the edge of entrance point
Gap water supply stream is left between support frame 111, support frame to flow through.Block 112 is provided with the support frame end away from fixed valve base, is kept off
Less than the maximum gauge of conical head, the axis of block overlaps, is set along the axis of block the diameter of block with the axis of valve seat
Adjustment hole 113 is put, internal thread is set in adjustment hole inwall.
Described adjusting rod 4 is provided near the outer wall of entrance point and matches with the internal thread of the adjustment hole inwall on block
External screw thread, adjusting rod 4 is provided with first with diameter greater than the regulation of adjusting rod 41 towards the end of the port of export, adjusts head towards the port of export
Wall is provided with the tooling hole matched with cross or straight screwdriver or hex tool.A circle is provided with along the outer wall of regulation head
Seal groove 43, during installation, sealing ring is enclosed within seal groove 43.
The aperture to import concave end is set towards the conical head wall of the port of export not less than the tune on adjusting rod in valve body
The spring mounting hole 21 of section header external diameter, the regulation rod aperture of insertion valve body is set away from the inwall of the port of export in spring mounting hole 21
22。
The wall from conical head towards entrance point is set on conical head to cross at the maximal margin of conical head to the port of export
The dredging flow groove 23 to conical head sunken inside for extending.When hydraulic pressure is larger, conical head pushes the port of export to by current, and conical head enters
Boss endoporus, makes current to pass through from dredging flow groove, so as to ensure also have after the larger conical head of hydraulic pressure blocks boss endoporus
Certain water yield.
During assembling, by spring housing on adjusting rod, by spring and adjusting rod from taper in the way of regulation head is away from valve body
Spring mounting hole 21 on first end insertion valve body, makes adjusting rod be then passed through supporting valve seat through regulation rod aperture 22, works as adjusting rod
When reaching the adjustment hole of block, adjusting rod is screwed on adjustment hole, then fixed valve base is screwed on support valve seat, make valve
It is all located at supporting in the space formed after valve seat and fixed valve base connection outside body, spring and the adjusting rod in addition to block is crossed, adjusts
Section valve group installs complete.Using preceding, hex tool inserted the hex hole of the fixed valve base port of export and hex tool is rotated, by group
The regulating valve for installing is screwable into correct position in joint by fixed valve base.
The prestressing force of spring will be preset when dispatching from the factory, initial value is usually 6 liters per minute or so.
In actual application, before regulating valve is installed into joint, user can be according to the different adjustment bullet of purposes
The prestressing force of spring, regulation method is：The instrument matched with the tooling hole adjusted on head using a word or Philip's head screw grade, from
Tooling hole on the port of export insertion adjusting rod of joint, throw drives adjusting rod rotation, so as to change adjusting rod in support
Position on valve seat, makes regulation head rest close or remote from the block on support valve seat, so that compress accordingly or pull-off spring, also
Change the prestressing force of spring., closer to block, the prestressing force of spring is stronger, is also accomplished by bigger motive force ability for regulation head
Overcome the prestressing force of spring, being also accomplished by bigger hydraulic pressure can advance boss endoporus by conical head.For example, washing one's hands what is washed one's face
4 liters per minute or so of water yield just disclosure satisfy that needs, and the water yield that shower is set to 8 liters per minute or so is more suitable.
After use during regulation head is installed to pipe network system, if water yield it is excessive or it is too small also need to regulation, by position
Turned in the tap of joint water side or other pipe fittings, it becomes possible to regulating valve is adjusted from the water side of joint, adjusted
During section, the size of water yield can be intuitively observed.
Seal groove 43 is provided with the regulation head outer wall of adjusting rod, sealing ring is snapped in into seal groove.
If water yield is excessive, regulation head is screwed to the direction of water side by instrument, regulation head is left block more
A little further, the prestressing force of spring is reduced, it is necessary to the conical head of valve body can be just pressed into boss endoporus and reached most by smaller hydraulic pressure
Big water yield.
When the too small prestressing force it is necessary to increase spring of water yield, regulation head is screwed to the direction of water inlet end by instrument,
Make regulation head closer to block, it is necessary to the conical head of valve body propulsion boss endoporus can be reached maximum water outlet by bigger hydraulic pressure
Amount.
The hollow adjustable column raised to the port of export is set towards the edge of the port of export along regulation rod aperture, in adjustable column and spring
Space is left between mounting hole inwall for fixing spring.Regulation head of the spring controlled scope in the end of adjustable column to adjusting rod
Distance, this is also the distance that spring can compress.
The regulation head of described adjusting rod is cylinder, and the diameter for adjusting head is straight less than or equal to the endoporus of spring mounting hole
Footpath, during adjusting rod insertion valve body, can be pressed into spring mounting hole by regulation head, and regulation is inserted by by a word or Phillips screwdriver
Tooling hole on head is rotated, and the end of adjusting rod is screwed in the adjustment hole on briquetting, so as to realize in advance should spring
The regulation of power, adjusting rod is got over and is moved to entrance point, and spring is compressed more severe, and the prestressing force of spring is also bigger, on the contrary bullet
The prestressing force of spring reduces.Regulation head is used with the taper that the end face of cylindrical part is cone bottom, instrument towards the end of the port of export
Hole is located on the vertex of a cone of the conical section of regulation head.
Above-described embodiment is intended merely to interpretation purposes of the invention, and is not limitation of the present invention, this technology
The those of ordinary skill in field, in essential scope of the invention, makes a variety of changes or substitutes, and should also belong to guarantor of the invention
Shield category.
Claims (5)
1. a kind of regulating valve, it is characterised in that：It is mainly made up of valve seat (1), valve body (2), spring (3) and adjusting rod (4)；Institute
The valve body stated includes conical head and valve rod again, and conical head is taper, and the vertex of a cone is towards the port of export；Described valve seat includes being located at import
The support valve seat (11) at end and the fixed valve base (12) positioned at the port of export, support valve seat and fixed valve base are connected through a screw thread；Institute
The fixed valve base stated is the annular for being provided with central through hole, and the lateral wall of fixed valve base is provided with outer with what the internal thread of joint matched
Screw thread, fixed valve base is screwable into the joint of pipe network system by the external screw thread of its outer wall；The end face of fixed valve base entrance point
Annular projection outwardly is provided with, the outer spiral shell matched with the internal thread of the support valve seat port of export is provided with annular projection
Line；Be provided with boss (121) of the circle to inner process in fixed valve base inwall, boss towards the wall of entrance point be cone, with
The outside wall surface of conical head forms negative and positive and coordinates, and the fixed valve base endoporus between boss and the port of export of fixed valve base is and hexagonal work
The hex hole that tool matches, hex tool enters hex hole and forms occluding relation, and rotation hex tool drives fixed valve base
Rotation；Described support valve seat (11) is provided with the branch of one or more symmetric arrays prominent to entrance point towards the edge of entrance point
Support (111), block (112), the maximum of the diameter less than conical head of block are provided with the support frame end away from fixed valve base
Diameter, the axis of block overlaps with the axis of valve seat, adjustment hole (113) is set along the axis of block, in adjustment hole
Wall sets internal thread；Described adjusting rod (4) is provided with the internal thread with the adjustment hole inwall on block near the outer wall of entrance point
The external screw thread for matching, adjusting rod (4) is provided with regulation head (41) with diameter greater than adjusting rod towards the end of the port of export, adjusts head
Tooling hole (42) is provided with towards the wall of the port of export；In valve body, the aperture to import concave end is set towards the wall of the port of export
Not less than the spring mounting hole (21) of the regulation head external diameter on adjusting rod, set away from the inwall of the port of export in spring mounting hole (21)
Put the regulation rod aperture (22) of insertion valve body；Set wall from conical head towards entrance point cross at the maximal margin of conical head to
The dredging flow groove (23) to conical head sunken inside that the port of export of conical head extends；Sealing ring is provided with the regulation head outer wall of adjusting rod
Groove (43), seal groove is snapped in by sealing ring.
2. regulating valve according to claim 1, it is characterised in that：During assembling, by spring housing on adjusting rod, by regulation head
Away from the spring mounting hole (21) of the mode by spring and adjusting rod from conical head one end insertion valve body of valve body, wear adjusting rod
Overregulate rod aperture (22) to be then passed through supporting valve seat, when adjusting rod reaches the adjustment hole of block, adjusting rod is screwed to adjustment hole
On, then fixed valve base is screwed on support valve seat, the adjusting rod of valve body, spring and the port of export positioned at block is all located at branch
In the space formed after support valve seat and fixed valve base connection, regulating valve assembling is finished, and using preceding, hex tool is inserted standing valve
The hex hole of the seat port of export simultaneously rotates hex tool, and the regulating valve that will be assembled is screwable into joint by fixed valve base.
3. regulating valve according to claim 1, it is characterised in that：Set to going out towards the edge of the port of export along regulation rod aperture
The hollow adjustable column that mouth distal process rises, leaves space for fixing spring between adjustable column and spring mounting hole inwall.
4. regulating valve according to claim 1, it is characterised in that：The regulation head of described adjusting rod is cylinder, direction
The end of the port of export use with the end face of cylindrical part be bore bottom taper.
5. regulating valve according to claim 1, it is characterised in that：Described tooling hole is a word hole or cross bore or hexagonal
Shape hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510426700.1A CN105090545B (en) | 2015-07-20 | 2015-07-20 | Regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510426700.1A CN105090545B (en) | 2015-07-20 | 2015-07-20 | Regulating valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105090545A CN105090545A (en) | 2015-11-25 |
| CN105090545B true CN105090545B (en) | 2017-06-23 |
Family
ID=54571587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510426700.1A Expired - Fee Related CN105090545B (en) | 2015-07-20 | 2015-07-20 | Regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105090545B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631066A (en) * | 2016-01-06 | 2018-01-26 | 余丽红 | A kind of thrift lock |
| CN107542986A (en) * | 2016-02-26 | 2018-01-05 | 南安市丽迪家居用品有限公司 | A kind of joint |
| CN113090604B (en) * | 2021-04-07 | 2023-07-04 | 海明液压技术有限公司 | 1D holds multi-functional intelligent control change valve function module unit of chamber formula |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2307212A1 (en) * | 1972-02-25 | 1973-08-30 | Philips Nv | CHECK VALVE |
| CN203614776U (en) * | 2013-10-25 | 2014-05-28 | 丽水市汇金电气有限公司 | Spool of water-saving joint |
| CN104565525A (en) * | 2013-10-29 | 2015-04-29 | 中山市玫瑰园环境电器有限公司 | Faucet water nozzle |
| CN104763853A (en) * | 2015-04-21 | 2015-07-08 | 中山市雅西环保科技有限公司 | Joint |
| CN204717186U (en) * | 2015-06-10 | 2015-10-21 | 长乐市丽智产品设计有限公司 | A kind of water supply pipe flow control valve |
| CN105179850A (en) * | 2015-06-15 | 2015-12-23 | 中山市雅西环保科技有限公司 | Flow control valve |
-
2015
- 2015-07-20 CN CN201510426700.1A patent/CN105090545B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2307212A1 (en) * | 1972-02-25 | 1973-08-30 | Philips Nv | CHECK VALVE |
| CN203614776U (en) * | 2013-10-25 | 2014-05-28 | 丽水市汇金电气有限公司 | Spool of water-saving joint |
| CN104565525A (en) * | 2013-10-29 | 2015-04-29 | 中山市玫瑰园环境电器有限公司 | Faucet water nozzle |
| CN104763853A (en) * | 2015-04-21 | 2015-07-08 | 中山市雅西环保科技有限公司 | Joint |
| CN204717186U (en) * | 2015-06-10 | 2015-10-21 | 长乐市丽智产品设计有限公司 | A kind of water supply pipe flow control valve |
| CN105179850A (en) * | 2015-06-15 | 2015-12-23 | 中山市雅西环保科技有限公司 | Flow control valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105090545A (en) | 2015-11-25 |
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| C10 | Entry into substantive examination | ||
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20181205 Address after: 224400 Fucheng Equipment Industrial Park, Funing County, Yancheng City, Jiangsu Province, No. 13 (C) Patentee after: Jiangsu Hengwang Valve Co., Ltd. Address before: 528400 Kangle Avenue Pioneering Building 133, Torch Development Zone, Zhongshan City, Guangdong Province Patentee before: ZHONGSHAN YAXI ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. |
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| 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: 20170623 Termination date: 20190720 |