CN104565630B - Water saving joint - Google Patents

Water saving joint Download PDF

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Publication number
CN104565630B
CN104565630B CN201310499022.2A CN201310499022A CN104565630B CN 104565630 B CN104565630 B CN 104565630B CN 201310499022 A CN201310499022 A CN 201310499022A CN 104565630 B CN104565630 B CN 104565630B
Authority
CN
China
Prior art keywords
water
valve seat
valve
hole
valve 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.)
Active
Application number
CN201310499022.2A
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Chinese (zh)
Other versions
CN104565630A (en
Inventor
刘毓珍
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.)
Yancheng Yongheng Property Management Co.,Ltd.
Original Assignee
Zhongshan Yaxi Environmental Protection Technology 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 Zhongshan Yaxi Environmental Protection Technology Co Ltd filed Critical Zhongshan Yaxi Environmental Protection Technology Co Ltd
Priority to CN201610104538.6A priority Critical patent/CN105605269A/en
Priority to CN201610104547.5A priority patent/CN105546250A/en
Priority to CN201310499022.2A priority patent/CN104565630B/en
Priority to CN201610104549.4A priority patent/CN105605273B/en
Priority to CN201610104408.2A priority patent/CN105546124B/en
Publication of CN104565630A publication Critical patent/CN104565630A/en
Application granted granted Critical
Publication of CN104565630B publication Critical patent/CN104565630B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L29/00—Joints with fluid cut-off means
    • 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
    • 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
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/20—Excess-flow valves
    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L29/00—Joints with fluid cut-off means
    • F16L29/02—Joints 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
    • 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
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/20—Excess-flow valves
    • F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
    • F16K17/24—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
    • F16K17/28—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only
    • F16K17/30—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only spring-loaded
    • 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
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/42—Valve seats
    • F16K1/422—Valve seats attachable by a threaded connection to the housing
    • 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
    • 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
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/06—Safety 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 adjusting the opening pressure
    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
    • F16L15/08—Screw-threaded joints; Forms of screw-threads for such joints with supplementary elements

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Fluid-Driven Valves (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Safety Valves (AREA)
  • Nozzles (AREA)

Abstract

Water saving joint, is mainly made up of body, spool, support, spring and screw.The through hole water side of valve seat is set to adjusting means, by from water side regulating valve seat in intrinsic position, it becomes possible to realize regulation to max water yield.

Description

Water saving joint
Technical field
The present invention relates to a kind of automatic constant current water saving joint connected for running water pipe, a kind of water saving joint that can stablize tap water outlet amount, belong to the optimisation technique of water pipe head.
Background technology
Connection between water supply pipe, the connection between water pipe and tap, all realized by joint.These joints mainly play the effect of connection at present, do not possess other functions.Current building supplies water, and typically has a two ways, a kind of be use booster pump from bottom to top send water mode, one is to dispose water tank at roof, utilizes the mode that water-head carries from top to bottom.The most any water mode of sending, different floor hydraulic pressure also can be different, thus cause different floor water yield different.
Disclosing a kind of water-saving type pipe joint in the patent document of Application No. 200910098530.3 and be turned on and off method, advantage is to have the dual-use function of pipe joint and stop valve, and deficiency is not possess the ability that pressure adjusts.
A kind of water pipe head is disclosed in the patent document of Patent No. 201020694120.3, advantage is can be from water inlet end by set screw position on throttle valve stem, the prestressing force of regulation spring, thus set max water yield, in water utilizing process, water pipe head can be automatically adjusted according to the change of hydraulic pressure, uses water quantity holding in the maximum magnitude set.Deficiency is in use, owing to the setting of max water yield is to regulate from water inlet end, and water pipe head is only installed on running water pipe just can see the effect of regulation, when needing repeatedly to regulate to reach to be satisfied with water yield, being necessary for repeatedly water pipe head being removed refilling back, it is the most convenient to regulate.
Particularly domestic consumer, owing to each tap purposes is different, requirement to water yield is the most different, the tap and spray first-class of washing one's face washing dish tap and toilet in such as kitchen, difference due to purposes, requirement to water yield is the most different, such as wash one's face tap water yield be maintained at 4 liters/min the most much of that, and the water yield spraying head requires more than 8 liters/min, therefore, user is also required to be adjusted the maximum output of each tap, if being adjusted from water inlet end, it is loaded on after being accomplished by repeatedly relevant equipment being removed regulation and tries again, until it is satisfied, operating time is long, dismount the most cumbersome.
It is, thus, sought for one can not only set max water yield, and need not the water pipe head that repeated disassembled and assembled just can complete to regulate.
Summary of the invention
It is an object of the invention to provide one and can adjust hydraulic pressure, make the water pipe head that the water yield of different floor reaches unanimity as far as possible.
The technical scheme is that water saving joint, mainly it is made up of body 1, spool 2, support 3, spring 4 and screw 5, spool includes again valve head 21 and valve rod 22, is provided with the plural water hole 23 running through valve head on valve head, and valve rod is provided with the screw coaxial with valve rod；The fixing hole that valve rod passes mid-stent is then passed through spring, screw 5 is screwed in the screw on valve rod, spring is fixed between cap nut and support 3, again support is filled in this towards the direction of water inlet end from the water inlet end of body by cap nut the most internal fixing, water saving joint also includes valve seat 6, and described valve seat 6 enters the most internal from the water side of body, and described valve seat center is provided with through hole, through hole coordinates towards the wall of spool one end with valve head formation negative and positive, and valve head is between support and valve seat.
In the middle part of described body, inwall is provided with the platform to inner process.
The inner body wall length of platform both sides is identical.
The inner body wall of platform both sides is designed with female thread.
Described support outer wall is provided with external screw thread, and it is internal fixing that support screws in this from the water inlet end of body.
Described valve seat includes two parts of integration, and the part coordinated with valve head near water inlet end is working body, and the another part near water side is less than landing inner diameter for regulation body, the external diameter of working body；The outer wall of regulation body is provided with the external screw thread that the female thread with body platform edges to water side inwall matches, the mode that valve seat is introduced into by working body is screwed into internal from the water side of body, arrived the distance of working body by regulating valve seat at intrinsic position change valve head, thus reach the purpose of adjusting water outlet flow.
On the wall of body water side, it is provided with adjusting means, for regulating valve seat in intrinsic position at valve seat through-hole.
Described adjusting means is inner hexagonal hole, matches with interior hex tool.
Described water hole is evenly distributed on valve head, and water hole, from water inlet end to water side, uses the mode with valve head axis parallel or to axle center inclination to arrange.
Beneficial effect:
1, the through hole water side of valve seat is set to adjusting means, by from water side regulating valve seat in intrinsic position, it becomes possible to realize regulation to max water yield.
Accompanying drawing explanation
Fig. 1 is the surface structure schematic diagram of the present invention；
Fig. 2 is the three-dimensional broken section explosive view of the present invention；
Fig. 3 is the body generalized section of the present invention；
Fig. 4 is the valve seat generalized section of the present invention；
Fig. 5 is the valve core structure schematic diagram of the present invention；
Fig. 6 is the fragmentary sectional view of the present invention；
Fig. 7 is the original state fragmentary sectional view of the present invention；
Fig. 8 is the fragmentary sectional view after the valve head entrance valve seat of the present invention.
Detailed description of the invention
As shown in Fig. 1 to Fig. 3, joint of economizing on water, mainly it is made up of body 1, spool 2, support 3, spring 4 and screw 5.Water saving joint is arranged in tap water pipe network system use, it is possible to control max water yield by regulation.
As it is shown in figure 5, spool includes again valve head 21 and valve rod 22, being provided with the plural water hole 23 running through valve head on valve head, valve rod is provided with the screw coaxial with valve rod；Valve rod is then passed through spring through the fixing hole of mid-stent, screw 5 is screwed in the screw on valve rod, spring is fixed between cap nut and support 3, then it is the most internal fixing that from the water inlet end of body, support is filled in this towards the direction of water inlet end by cap nut.By driving screws, adjust screw position in valve rod, it is possible to the prestressing force of regulation spring such that it is able to regulate the maximum flow of water amount by joint of economizing on water.Tightening screw, spring is pressed tighter, current overcome the prestressing force of spring to promote the strength of valve head to need to strengthen, accordingly, max water yield becomes big, unscrews screw, the prestressing force of spring diminishes, and current overcome the prestressing force of spring to promote the strength of valve head to reduce, and max water yield diminishes.
As shown in Fig. 4, Fig. 7, water saving joint also includes valve seat 6, and described valve seat 6 enters the most internal from the water side of body, and described valve seat center is provided with through hole, and through hole coordinates towards the wall of spool one end with valve head formation negative and positive, and valve head is between support and valve seat.When hydraulic pressure is more than normal value, water flow pressure overcomes the pressure of spring to promote spool, decreases the space between spool and valve seat, i.e. reduces the cross-sectional area of current, it is achieved thereby that the purpose of automatic control flow.As shown in Figure 8, when hydraulic pressure is the biggest, spool will be completely in the through hole of valve seat, and completely plugged firmly water stream channel, at this moment, water is just flowed out by water hole reserved on valve head, it is ensured that suitably water yield.
In the middle part of described body, inwall is provided with the platform to inner process, the position of valve seat, support is played restriction effect, prevents hypotelorism between the two, it is to avoid valve head is screwed in clogging through hole in through hole by user, does not has the effect of flow automatic regulation.
The inner body wall length of platform both sides is identical.
The inner body wall of platform both sides is designed with female thread.Body and water pipe have two kinds of connected modes, a kind of be the female thread utilizing body two ends inwall by this by the screw thread being screwed in hose nozzle outer wall, one is to be threaded at body outer wall two ends, then is screwed on the screw thread of hose nozzle inwall.
Described support outer wall is provided with external screw thread, and it is internal fixing, by adjusting pole in intrinsic position that support screws in this from the water inlet end of body, it is also possible to the distance between regulation valve head and valve seat, thus plays the effect of regulation flow.
As shown in Figure 6, described valve seat includes two parts of integration, and the part coordinated with valve head near water inlet end is working body, and the another part near water side is less than landing inner diameter for regulation body, the external diameter of working body；The outer wall of regulation body is provided with the external screw thread that the female thread with body platform edges to water side inwall matches, the mode that valve seat is introduced into by working body is screwed into internal from the water side of body, arrived the distance of working body by regulating valve seat at intrinsic position change valve head, thus reach the purpose of adjusting water outlet flow.
On the wall of body water side, it is provided with adjusting means, for regulating valve seat in intrinsic position at valve seat through-hole.The preferred inner hexagonal hole of described adjusting means, matches with interior hex tool.During regulation, from the water side of body adjustment instrument, as interior hex tool puts in internal, enter adjusting means, it becomes possible to regulating valve seat is in intrinsic position.Valve seat being twisted toward the direction of water inlet, it is simply that reduce water yield, the direction toward outlet is twisted, it is simply that strengthen water yield.
Described water hole is evenly distributed on valve head, and water hole, from water inlet end to water side, uses the mode with valve head axis parallel or to axle center inclination to arrange.
Using water saving joint, outlet will cause flow excessive owing to hydraulic pressure is big, causes waste.After closing outlet, the hydraulic pressure around valve head promptly tends to balance, and under the effect of spring draft force, spool can automatically revert to initial state.
Above-described embodiment is intended merely to the purposes of the interpretation present invention, and is not limitation of the present invention, those skilled in the art, in the essential scope of the present invention, makes a variety of changes or substitutes, and also should belong to the protection category of the present invention.

Claims (8)

1. water saving joint, is mainly made up of body (1), spool (2), support (3), spring (4) and screw (5), Spool includes again valve head (21) and valve rod (22), is provided with the plural water hole (23) running through valve head on valve head, Valve rod is provided with the screw coaxial with valve rod；The fixing hole that valve rod passes mid-stent is then passed through spring, by screw (5) it is screwed in the screw on valve rod, spring is fixed between cap nut and support (3), then support is pressed Cap nut is filled in the most internal fixing towards the direction of water inlet end from the water inlet end of body, it is characterised in that: water saving joint Also including valve seat (6), described valve seat (6) enters the most internal from the water side of body, and described valve seat center sets Having through hole, through hole coordinates towards the wall of spool one end with valve head formation negative and positive, and valve head is between support and valve seat； On the wall of body water side, it is provided with adjusting means, for regulating valve seat in intrinsic position at valve seat through-hole； Described water hole is evenly distributed on valve head.
Water saving joint the most according to claim 1, it is characterised in that: in the middle part of described body, inwall is provided with to inwardly projecting The platform risen.
Water saving joint the most according to claim 2, it is characterised in that: the inner body wall length of platform both sides is identical.
Water saving joint the most according to claim 3, it is characterised in that: the inner body wall of platform both sides is designed with interior spiral shell Stricture of vagina.
Water saving joint the most according to claim 1, it is characterised in that: described support outer wall is provided with external screw thread, It is internal fixing that frame screws in this from the water inlet end of body.
Water saving joint the most according to claim 2, it is characterised in that: described valve seat includes two portions of integration Point, the part coordinated with valve head near water inlet end is working body, and the another part near water side is regulation body, The external diameter of working body is less than landing inner diameter；The outer wall of regulation body is provided with body platform edges to water side inwall The external screw thread that female thread matches, the mode that valve seat is introduced into by working body is screwed into internal from the water side of body, Arrived the distance of working body by regulating valve seat at intrinsic position change valve head, thus reach to adjust current The purpose of amount.
Water saving joint the most according to claim 1, it is characterised in that: described adjusting means is inner hexagonal hole, with Interior hex tool matches.
Water saving joint the most according to claim 1, it is characterised in that: water hole, from water inlet end to water side, uses Mode with valve head axis parallel or to axle center inclination is arranged.
CN201310499022.2A 2013-10-23 2013-10-23 Water saving joint Active CN104565630B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN201610104538.6A CN105605269A (en) 2013-10-23 2013-10-23 Water-saving connector capable of adjusting maximum water flow
CN201610104547.5A CN105546250A (en) 2013-10-23 2013-10-23 Connector with adjusting device
CN201310499022.2A CN104565630B (en) 2013-10-23 2013-10-23 Water saving joint
CN201610104549.4A CN105605273B (en) 2013-10-23 2013-10-23 Water-saving connector with valve seat
CN201610104408.2A CN105546124B (en) 2013-10-23 2013-10-23 A kind of valve seat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310499022.2A CN104565630B (en) 2013-10-23 2013-10-23 Water saving joint

Related Child Applications (4)

Application Number Title Priority Date Filing Date
CN201610104549.4A Division CN105605273B (en) 2013-10-23 2013-10-23 Water-saving connector with valve seat
CN201610104408.2A Division CN105546124B (en) 2013-10-23 2013-10-23 A kind of valve seat
CN201610104547.5A Division CN105546250A (en) 2013-10-23 2013-10-23 Connector with adjusting device
CN201610104538.6A Division CN105605269A (en) 2013-10-23 2013-10-23 Water-saving connector capable of adjusting maximum water flow

Publications (2)

Publication Number Publication Date
CN104565630A CN104565630A (en) 2015-04-29
CN104565630B true CN104565630B (en) 2016-08-17

Family

ID=53082362

Family Applications (5)

Application Number Title Priority Date Filing Date
CN201610104538.6A Pending CN105605269A (en) 2013-10-23 2013-10-23 Water-saving connector capable of adjusting maximum water flow
CN201610104408.2A Active CN105546124B (en) 2013-10-23 2013-10-23 A kind of valve seat
CN201310499022.2A Active CN104565630B (en) 2013-10-23 2013-10-23 Water saving joint
CN201610104549.4A Expired - Fee Related CN105605273B (en) 2013-10-23 2013-10-23 Water-saving connector with valve seat
CN201610104547.5A Pending CN105546250A (en) 2013-10-23 2013-10-23 Connector with adjusting device

Family Applications Before (2)

Application Number Title Priority Date Filing Date
CN201610104538.6A Pending CN105605269A (en) 2013-10-23 2013-10-23 Water-saving connector capable of adjusting maximum water flow
CN201610104408.2A Active CN105546124B (en) 2013-10-23 2013-10-23 A kind of valve seat

Family Applications After (2)

Application Number Title Priority Date Filing Date
CN201610104549.4A Expired - Fee Related CN105605273B (en) 2013-10-23 2013-10-23 Water-saving connector with valve seat
CN201610104547.5A Pending CN105546250A (en) 2013-10-23 2013-10-23 Connector with adjusting device

Country Status (1)

Country Link
CN (5) CN105605269A (en)

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CN106439132B (en) * 2015-05-18 2019-07-05 南安市丽迪家居用品有限公司 A kind of water pipe head
CN106402547A (en) * 2016-11-18 2017-02-15 上海宇航系统工程研究所 Low-temperature self-sealing connector
CN111365504B (en) * 2020-04-09 2021-12-03 浙江鼎港科技有限公司 Water-saving filtering faucet
CN111795195B (en) * 2020-07-25 2023-04-28 宁波市高格卫浴产品有限公司 Tap capable of freely rotating
WO2023007400A1 (en) * 2021-07-27 2023-02-02 Flsmidth A/S Drain valve assembly for filter plates

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CN202834511U (en) * 2012-10-09 2013-03-27 宁波乾豪金属制品有限公司 Pipe connection
CN203052049U (en) * 2012-11-09 2013-07-10 陈跃龙 Decompressing check device of water inlet pipe of washing machine
CN203614960U (en) * 2013-10-23 2014-05-28 中山市雅西环保科技有限公司 Water pipe connector

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CN105546250A (en) 2016-05-04
CN105546124A (en) 2016-05-04
CN105605269A (en) 2016-05-25
CN105605273B (en) 2018-05-11
CN105605273A (en) 2016-05-25
CN105546124B (en) 2017-10-27
CN104565630A (en) 2015-04-29

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