CN106439132B - A kind of water pipe head - Google Patents

A kind of water pipe head Download PDF

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Publication number
CN106439132B
CN106439132B CN201610852439.6A CN201610852439A CN106439132B CN 106439132 B CN106439132 B CN 106439132B CN 201610852439 A CN201610852439 A CN 201610852439A CN 106439132 B CN106439132 B CN 106439132B
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CN
China
Prior art keywords
water
piston
water pipe
head
pipe head
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
Application number
CN201610852439.6A
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Chinese (zh)
Other versions
CN106439132A (en
Inventor
刘毓春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Ruijiante Sports Equipment Co ltd
Original Assignee
Nanan Lidi Household Articles Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nanan Lidi Household Articles Co Ltd filed Critical Nanan Lidi Household Articles Co Ltd
Priority to CN201610852439.6A priority Critical patent/CN106439132B/en
Publication of CN106439132A publication Critical patent/CN106439132A/en
Application granted granted Critical
Publication of CN106439132B publication Critical patent/CN106439132B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L29/00Joints with fluid cut-off means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/08Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with special arrangements for providing a large discharge passage
    • F16K17/082Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with special arrangements for providing a large discharge passage with piston
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L29/00Joints with fluid cut-off means
    • F16L29/02Joints with fluid cut-off means with a cut-off device in one of the two pipe ends, the cut-off device being automatically opened when the coupling is applied

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Driven Valves (AREA)
  • Springs (AREA)

Abstract

A kind of water pipe head, mainly by ontology, piston, bracket, prestressed spring and prestressing force screw composition, setting closing spring and regulating valve in water pipe head, when adjusting inflow from water outlet, it is influenced by hydraulic pressure, regulating valve band piston is mobile to water outlet, make to close tension force of spring reduction, prestressed spring is compressed, the inlet opening for making piston head be drawn into inlet valve will intake hole plug, prevent water from flowing outwardly, therefore, when from water outlet water yield adjusting, water pipe head can automatically cut off water flow, after adjusting, tap is screwed in water pipe head from water outlet, as tap is mobile to the direction of water inlet end, regulating valve and piston can be pushed mobile to the direction of water inlet end, closing spring is compressed to the direction of bracket, adjusting changes piston head apart from the distance of outlet valve inner hole, to change Overcome the tension of prestressed spring piston head is pressed into water pressure required for outlet valve inner hole.

Description

A kind of water pipe head
Technical field
The present invention relates to a kind of water pipe heads, especially a kind of to belong to from the water pipe head of water outlet water yield adjusting In the optimisation technique of water pipe head.
Background technique
Connection between water supply pipe, the connection between water pipe and faucet are realized by connector.To building Supply water, it is general there are two types of mode, one is use booster pump from bottom to top send water mode, one is disposing water tank in roof, By water-head convey from top to bottom in the way of.Either any to send water mode, different floor hydraulic pressure also can be different, can lead Cause different floor water yields different.Therefore, the water pipe head design now with some with balanced-out water, it is intended to make different buildings The water yield of layer tends to identical.
Disclose a kind of water pipe head in the patent document of Patent No. 201020694120.3, advantage be can from into Water end (W.E.) is by position of the adjusting screw in throttle valve stem, the prestressing force of adjustment spring, to set max water yield, with During water, water pipe head can be automatically adjusted according to the variation of hydraulic pressure, use water quantity holding in the maximum magnitude of setting.No Foot is in use, since the setting of max water yield is to adjust from water inlet end, and be only installed to water pipe head The effect that adjusting can be just seen on running water pipe needs to adjust repeatedly when being satisfied with water yield to reach, just must be repeatedly by water pipe Connector is removed and is refilled back, is adjusted inconvenient.
Especially domestic consumer, since each leading purposes is different, the requirement to water yield is also different, such as the wash vegetables in kitchen Washing one's face for faucet and toilet and sprays head etc. at faucet, and due to the difference of purposes, the requirement to water yield is also different, such as washes It is just much of that the water yield of face faucet is maintained at 4 liters/min, and therefore the water yield requirement for spraying head, is used at 8 liters/min or more Family is also required to that the maximum output of each faucet is adjusted, and is adjusted if it is from water inlet end, it is necessary to repeatedly will be relevant Equipment is loaded on and tries again after removing adjusting, and until satisfaction, the operating time is too long, dismounts also more troublesome.
Application No. is 2013206552162 water pipe heads, and the water outlet of the through-hole on valve seat is set as regulating device, By the water outlet of valve seat can regulating valve seat in intrinsic position, therefore, water pipe head is installed to tap water pipe network After upper, it is also necessary to when water yield adjusting, can be adjusted, not needed water pipe head from originally from the water outlet of water pipe head It is removed in pipe network.But due to having stronger hydraulic pressure in tap water pipe network, it is outside from the through-hole of valve seat to adjust Shi Shuihui Injection causes to adjust difficulty, and is easy to get surrounding enviroment wet.
It is, thus, sought for a kind of can not only be from the water outlet water yield adjusting of water pipe head, and can prevent from adjusting The water pipe head that water sprays outward during section.
Summary of the invention
The object of the present invention is to provide one kind can not only be from the water outlet water yield adjusting of water pipe head, and is adjusting Water can be made to stop the water pipe head flowing outwardly when section.
The technical scheme is that a kind of water pipe head, mainly by ontology, piston 1, bracket 2,3 and of prestressed spring Prestressing force screw 4 forms, and the piston includes piston head and piston rod again, and piston rod is equipped with from piston-rod end to piston First adjustment hole of the direction recess of head, is equipped with the internal screw thread to match with the external screw thread of prestressing force screw in adjustment hole, Piston head is equipped with the second adjustment hole far from the wall surface of piston rod;The a plurality of wall surface mean array of piston head towards water outlet is in put The water-carrying groove of shape is penetrated, the edge that the water-carrying groove crosses piston head is bent to the direction of water inlet end;The water pipe head is also Including closing spring 5 and regulating valve 6;Inner body wall be equipped with around inner body wall one enclose to the coaxial with ontology of inner process Boss is equipped with the matched internal screw thread of external screw thread of a circle and bracket outer wall in boss inner wall;The regulating valve is front and back perforation Hollow valve body, the regulating valve 6 is mainly connected through a screw thread and formed by inlet valve 61 and outlet valve 62;The water inlet The wall surface of valve towards water inlet end is equipped with inlet opening, and the water outlet of inlet opening and the wall surface of piston head towards water inlet end cooperate, when Piston head can block inlet opening when entering the water outlet of inlet opening under the effect of external force, prevent water flow from by inlet opening into Enter regulating valve;The wall surface of the outlet valve towards water outlet is equipped with apopore, when piston head is under the effect of external force to out Water hole is mobile and when blocking apopore, and water flow passes through the water-carrying groove on piston head and flows out;Water pipe head is installed to running water pipe After online, when also needing water yield adjusting, the water pipe or tap that will be connected positioned at water pipe head water outlet with water pipe head It unscrews, is influenced by hydraulic pressure, regulating valve band piston is mobile to water outlet, and make to close spring and prestressed spring is all compressed, The inlet opening for making piston head be drawn into inlet valve will intake hole plug, prevent water from flowing outwardly, at this moment again with tool from water pipe The water outlet of connector is inserted into water yield adjusting in the second adjustment hole on piston head.
After adjusting, tap is screwed in water pipe head from water outlet, as tap is to the direction of water inlet end It is mobile, it will be able to push regulating valve and piston mobile to the direction of water inlet end, compress closing spring to the direction of bracket, work as hydraulic pressure When excessive, piston can be pressed into outlet valve inner hole, at this moment, water flow is flowed out by the water-carrying groove on piston head.
Bracket is equipped with equally distributed connecting rod using concentric double circular ring structures between double annulus, make double annulus and Peripheral through holes are formed between connecting rod, are equipped in the interior annular inner wall of bracket to one or more the locking outstanding of the center of bracket Column;On the piston rod be equipped with the matched locking slot of locking post on bracket, when piston rod pass through bracket central through hole when, often A locking post, which is located in a locking slot, forms occluding relation.
Spring positioning slot is equipped on wall surface of the regulating valve towards water inlet end, the bottom for closing spring is placed in spring positioning In slot.
The regulating valve is cylinder, and the diameter of regulating valve is less than the diameter of bore of valve body outlet end internal screw thread roof.
The utility model has the advantages that
1, setting closing spring and regulating valve are influenced when adjusting inflow from water outlet by hydraulic pressure in water pipe head, Regulating valve band piston is mobile to water outlet, makes to close tension force of spring reduction, and prestressed spring is compressed, and piston head is drawn It will intake hole plug into the inlet opening of inlet valve, and prevent water from flowing outwardly, therefore, when from water outlet water yield adjusting, water pipe Connector can automatically cut off water flow, after adjusting, tap is screwed in water pipe head from water outlet, with tap It is mobile to the direction of water inlet end, it will be able to push regulating valve and piston mobile to the direction of water inlet end, be compressed to the direction of bracket Spring is closed, adjusting changes piston head apart from the distance of outlet valve inner hole, to change for overcoming prestressed spring Piston head is pressed into water pressure required for outlet valve inner hole by power.
Detailed description of the invention
Fig. 1 is surface structure schematic diagram of the invention;
Fig. 2 is explosive view of the invention;
Fig. 3 is ontology diagrammatic cross-section of the invention;
Fig. 4 is the schematic perspective view of bracket of the invention;
Fig. 5 is the sectional perspective structural schematic diagram of regulating valve of the invention;
Fig. 6 is the schematic perspective view of piston of the invention;
Fig. 7 is the schematic perspective view of piston of the invention;
Fig. 8 is that partial cutaway of the invention shows schematic perspective view;
Fig. 9 is that partial cutaway of the invention shows schematic perspective view;
Figure 10 is schematic diagram of the present invention in the water that cannot be discharged when being adjusted from water outlet;
Figure 11 is the schematic diagram that the present invention is in water circulation status.
Specific embodiment
As shown in Fig. 1 to Fig. 3, a kind of water pipe head is mainly answered by ontology, piston 1, bracket 2, prestressed spring 3 and in advance Power screw 4 forms, and the piston includes piston head and piston rod again, and piston rod is equipped with from piston-rod end to piston head First adjustment hole of direction recess, is equipped with the internal screw thread to match with the external screw thread of prestressing force screw, in piston in adjustment hole Head is equipped with the second adjustment hole far from the wall surface of piston rod.
As shown in Fig. 6 peace Fig. 7, a plurality of radial water-carrying groove of the wall surface mean array of piston head towards water outlet, The edge that the water-carrying groove crosses piston head is bent to the direction of water inlet end.
The water pipe head further includes closing spring 5 and regulating valve 6;It is equipped in inner body wall and is enclosed around inner body wall one The boss coaxial with ontology to inner process, boss inner wall be equipped with one circle and bracket outer wall the matched interior spiral shell of external screw thread Line is equipped with to the one of inner process towards the edge of water inlet end in boss and encloses flange, to prevent in adjustment process bracket from valve body Water inlet end skid off valve body.
As shown in figure 5, the regulating valve 6 is the hollow valve body of front and back perforation, the regulating valve is mainly by intaking Valve 61 and outlet valve 62 are connected through a screw thread composition;The wall surface of the inlet valve towards water inlet end is equipped with inlet opening, water inlet The water outlet in hole and the wall surface of piston head towards water inlet end cooperate, when piston head enters the water outlet of inlet opening under the effect of external force Inlet opening is blocked when end.The wall surface of the outlet valve towards water outlet is equipped with apopore, and piston head is under the effect of external force It is mobile to apopore, apopore is blocked after piston head enters apopore, water is flowed out by the water-carrying groove on piston head.
In the outer wall setting water inlet seal groove of inlet valve, in setting water inlet sealing ring in seal groove of intaking;In outlet valve Watertight sealing groove is provided in outer wall, and waterstop ring is provided being discharged in seal groove.
Spring positioning slot is equipped on wall surface of the regulating valve towards water inlet end, the bottom for closing spring is placed in spring positioning In slot, keep the position for closing spring relatively stable.
As shown in figure 4, bracket using concentric double circular ring structures, is equipped with equally distributed connecting rod between double annulus, Make to form peripheral through holes between double annulus and connecting rod, be equipped in the interior annular inner wall of bracket one outstanding to the center of bracket Above locking post;On the piston rod be equipped with the matched locking slot of locking post on bracket, when piston rod pass through bracket in When heart through-hole, each locking post, which is located in a locking slot, forms occluding relation, when rotating piston, it will be able to drive bracket same To rotation, to change bracket in intrinsic position, also just change the compression degree of closing spring, adjusting make piston head away from The distance for separating out water valve inner hole changes, and overcomes the tension of prestressed spring that piston head is pressed into outlet valve inner hole to change Required water pressure, to play the purpose from water outlet water yield adjusting.
As shown in Figure 8 to Figure 9, when assembling, water inlet is inserted into the direction by piston rod from the water outlet of inlet valve to water inlet end Outlet valve and inlet valve are socketed, are located at piston head in inlet valve inner hole by hole, and closing spring pocket is worn out from regulating valve Piston rod on, then on the piston rod by support casing, be located at each locking post in one locking slot and form occluding relation, then will Prestressed spring covers on the piston rod, and prestressing force screw is screwed in the first adjustment hole on piston rod, makes to close spring position Between bracket and boss, it is located at prestressed spring between the nut and bracket of prestressing force screw, by adjusting prestressing force spiral shell The position of silk on the piston rod adjusts the prestressing force of prestressed spring;After being combined by the direction of piston head towards water outlet again Part filled in ontology from the water outlet of ontology, it is corresponding by the second adjustment hole bracket to be screwed to boss inner wall by tool Internal screw thread on, enable the rack to move axially in ontology, pass through position of the adjusting bracket in boss and adjust closing spring Initial tension;It will be influenced by prestressed spring tension, piston head made to enter inlet valve from water outlet to the direction of water inlet end Inlet opening in block inlet opening, prevent water flow from passing through;When the water inlet end of ontology has enough hydraulic pressure, hydraulic pressure overcomes pre- answer The pre-stressed compression prestressed spring of power spring keeps piston mobile to the direction of water outlet, and piston head leaves the water inlet of inlet valve Hole is mobile to the apopore of outlet valve, forms gap water supply between the valve interior wall and piston of regulating valve and flows through, when hydraulic pressure compared with When big, piston head is mobile to the apopore of outlet valve, and apopore is blocked after piston head enters apopore, and water passes through on piston head Water-carrying groove outflow.
The closing spring is tower-shaped spring, and tower top is greater than water intake valve hole towards water inlet end, tower bottom maximum outside diameter Water inlet end aperture.
The regulating valve is cylinder, and the diameter of regulating valve is less than the diameter of bore of valve body outlet end internal screw thread roof.
Piston seal slot is equipped on wall surface of the piston head towards water inlet end, piston seal is placed in piston seal slot In, when piston head blocks the water inlet end of thrift lock, piston seal prevents water flow from flowing through between piston head and thrift lock.
Using water pipe head of the invention, water pipe head be installed to running water pipe it is online after, when also needing to adjust water outlet When amount, it is only necessary to water pipe or tap that water pipe head water outlet is connected with water pipe head will be located at and unscrewed, such as Fig. 8 and Fig. 9 institute Show, influenced by hydraulic pressure, regulating valve band piston is mobile to water outlet, makes to close spring and prestressed spring is all compressed, make The inlet opening that piston head is drawn into inlet valve will intake hole plug, prevent water from flowing outwardly, at this moment be connect again with tool from water pipe The water outlet of head is inserted into water yield adjusting in the second adjustment hole on piston head, to realize from water outlet water yield adjusting When, water pipe head can automatically cut off water flow.
As shown in Figure 10, after adjusting, tap is screwed in water pipe head from water outlet, with tap into The direction of water end (W.E.) is mobile, it will be able to push regulating valve and piston mobile to the direction of water inlet end, compress and close to the direction of bracket Spring, adjusting change piston head apart from the distance of outlet valve inner hole, overcome the tension of prestressed spring will to change Piston head is pressed into water pressure required for outlet valve inner hole.When hydraulic pressure is excessive, piston can be pressed into outlet valve inner hole, such as Shown in Figure 11, at this moment, water flow is flowed out by the water-carrying groove on piston head, interrupt water flow will not.
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 makes a variety of changes or substitutes within the essential scope of the present invention, also should belong to guarantor of the invention Protect scope.

Claims (3)

1. a kind of water pipe head, mainly by ontology, piston (1), bracket (2), prestressed spring (3) and prestressing force screw (4) group At the piston includes piston head and piston rod again, and piston rod is equipped with the direction recess from piston-rod end to piston head The first adjustment hole, the internal screw thread to match with the external screw thread of prestressing force screw is equipped in adjustment hole, in piston head far from living The wall surface of stopper rod is equipped with the second adjustment hole;It is characterized by: wall surface mean array of the piston head towards water pipe head water outlet A plurality of radial water-carrying groove, the edge that the water-carrying groove crosses piston head are bent to the direction of water pipe head water inlet end; The water pipe head further includes closing spring (5) and regulating valve (6);Inner body wall be equipped with around inner body wall one enclose to The boss coaxial with ontology of inner process is equipped with the matched internal screw thread of external screw thread of a circle and bracket outer wall in boss inner wall;Institute The regulating valve stated is the hollow valve body of front and back perforation, and the regulating valve (6) is mainly by inlet valve (61) and outlet valve (62) It is connected through a screw thread composition;The wall surface of the inlet valve towards water pipe head water inlet end is equipped with inlet opening, and inlet opening goes out The wall surface of water end (W.E.) and piston head towards water pipe head water inlet end cooperates, when piston head enters going out for inlet opening under the effect of external force Inlet opening can be blocked when water end (W.E.), prevent water flow from entering regulating valve by inlet opening;The outlet valve is towards water pipe head The wall surface of water outlet is equipped with apopore, when piston head is mobile to apopore under the effect of external force and blocks apopore, water Stream is flowed out by the water-carrying groove on piston head;Bracket is equipped between double annulus and is uniformly distributed using concentric double circular ring structures Connecting rod, make to form peripheral through holes between double annulus and connecting rod, be equipped in the interior annular inner wall of bracket to the center of bracket One or more locking post outstanding;On the piston rod be equipped with the matched locking slot of locking post on bracket, when piston rod is worn When crossing the central through hole of bracket, each locking post, which is located in a locking slot, forms occluding relation;Water pipe head is installed to certainly After coming in pipe network, when also needing water yield adjusting, will be located at the water pipe that is connected with water pipe head of water pipe head water outlet or Tap is unscrewed, and is influenced by hydraulic pressure, and regulating valve band piston is mobile to water pipe head water outlet, makes to close spring and prestressing force Spring is all compressed, and the inlet opening for making piston head be drawn into inlet valve will intake hole plug, prevents water from flowing outwardly, at this moment again Water yield adjusting in the second adjustment hole on piston head is inserted into from water pipe head water outlet with tool.
2. a kind of water pipe head according to claim 1, it is characterised in that: after adjusting, tap is connect from water pipe Head water outlet is screwed in water pipe head, as tap is mobile to the direction of water pipe head water inlet end, it will be able to push and adjust Valve and piston are mobile to the direction of water pipe head water inlet end, and compressing closing spring to the direction of bracket can when hydraulic pressure is excessive Piston is pressed into outlet valve inner hole, at this moment, water flow is flowed out by the water-carrying groove on piston head.
3. a kind of water pipe head according to claim 1, it is characterised in that: in regulating valve towards water pipe head water inlet end Wall surface is equipped with spring positioning slot, and the bottom for closing spring is placed in spring positioning slot.
CN201610852439.6A 2015-05-18 2015-05-18 A kind of water pipe head Expired - Fee Related CN106439132B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610852439.6A CN106439132B (en) 2015-05-18 2015-05-18 A kind of water pipe head

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610852439.6A CN106439132B (en) 2015-05-18 2015-05-18 A kind of water pipe head
CN201510253255.3A CN104806799B (en) 2015-05-18 2015-05-18 A kind of water pipe head with regulating valve

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201510253255.3A Division CN104806799B (en) 2015-05-18 2015-05-18 A kind of water pipe head with regulating valve

Publications (2)

Publication Number Publication Date
CN106439132A CN106439132A (en) 2017-02-22
CN106439132B true CN106439132B (en) 2019-07-05

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CN201610852439.6A Expired - Fee Related CN106439132B (en) 2015-05-18 2015-05-18 A kind of water pipe head
CN201510253255.3A Expired - Fee Related CN104806799B (en) 2015-05-18 2015-05-18 A kind of water pipe head with regulating valve
CN201610852504.5A Active CN106402546B (en) 2015-05-18 2015-05-18 A kind of regulating valve in water pipe head

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CN201510253255.3A Expired - Fee Related CN104806799B (en) 2015-05-18 2015-05-18 A kind of water pipe head with regulating valve
CN201610852504.5A Active CN106402546B (en) 2015-05-18 2015-05-18 A kind of regulating valve in water pipe head

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CN105135042A (en) * 2015-08-12 2015-12-09 无锡乐华自动化科技有限公司 Spring type flow speed control valve
CN105805459B (en) * 2015-11-01 2017-11-17 茹朝贵 A kind of water pipe head adjusted by platen
CN107631066A (en) * 2016-01-06 2018-01-26 余丽红 A kind of thrift lock
CN106931198B (en) * 2017-03-01 2019-12-13 河南大有能源股份有限公司常村煤矿 Mechanical automatic pressure reducing and stabilizing valve
CN108662325B (en) * 2018-05-25 2020-07-24 永康市小菜丫厨具有限公司 Method for connecting pipe fittings by adopting lockset
CN108662321B (en) * 2018-05-25 2020-05-01 永康市杰创工业产品设计有限公司 Structure for connecting pipeline by adopting lockset
CN110896827A (en) * 2018-09-15 2020-03-24 盐城玉欣电动科技有限公司 YXL0903A irrigation telescopic water outlet pile

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CN106439132A (en) 2017-02-22
CN104806799B (en) 2017-09-15
CN106402546B (en) 2018-07-17
CN104806799A (en) 2015-07-29
CN106402546A (en) 2017-02-15

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