CN109973669A - Water compensating valve water route component and its wall-hung boiler heating system - Google Patents

Water compensating valve water route component and its wall-hung boiler heating system Download PDF

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Publication number
CN109973669A
CN109973669A CN201711448645.1A CN201711448645A CN109973669A CN 109973669 A CN109973669 A CN 109973669A CN 201711448645 A CN201711448645 A CN 201711448645A CN 109973669 A CN109973669 A CN 109973669A
Authority
CN
China
Prior art keywords
water
water route
compensating valve
valve
moisturizing
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.)
Pending
Application number
CN201711448645.1A
Other languages
Chinese (zh)
Inventor
陈震宇
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.)
Zhejiang Huayi Precision Machinery Co ltd
Original Assignee
Zhejiang Yunchang Energy 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 Zhejiang Yunchang Energy Technology Co Ltd filed Critical Zhejiang Yunchang Energy Technology Co Ltd
Priority to CN201711448645.1A priority Critical patent/CN109973669A/en
Publication of CN109973669A publication Critical patent/CN109973669A/en
Pending legal-status Critical Current

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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
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift 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
    • F16K1/32Details
    • 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
    • F16K15/00Check valves
    • F16K15/02Check valves with guided rigid valve members
    • F16K15/06Check valves with guided rigid valve members with guided stems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00Details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/0005Details for water heaters

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)

Abstract

The present invention provides a kind of water compensating valve water route component and its wall-hung boiler heating system, water compensating valve water route component include the first water route, water compensating valve and by the water compensating valve to the pump tube that is connected with the first water route, the pump tube is further to connect water pump, water compensating valve water route component is equipped with the fluid in first water route to be injected to the moisturizing valve passage in the water pump, check-valves is provided in the moisturizing valve passage, the moisturizing valve passage and first water route are antarafacial relationship.Wall-hung boiler heating system provided by the invention uses above-mentioned water route, can prevent from avoiding pollution of the water quality by the heating water route in the bathroom water route in the fluid reflux to bathroom water route in heating water route.

Description

Water compensating valve water route component and its wall-hung boiler heating system
Technical field
The present invention relates to Home Heating technical fields, and in particular to a kind of wall hanging furnace plate changes the water compensating valve water route component in water route And its wall-hung boiler heating system.
Background technique
In family's heating technology field, heating of the wall-hung boiler heating system because of its higher heat supply efficiency and relative moderate Cost is just gradually by the favor of consumer.Wall-hung boiler heating system is integrated with and mentions while meeting Home Heating and needing The function of domestic hot-water supply.
But the dirty water that heating water route often occurs in current wall-hung boiler heating system flows back into asking in bathroom water route Topic, affects normal household water.Because protecting in moisturizing valve passage without return water in the component of domestic wall-hung boiler water route, cause to mend Dirty water after water valve failure in heating channel is easy to flow back into bathroom channel, causes dirt to the entire circuit of bathroom and family Dye.
Therefore, it is necessary to be improved to solve the above technical problems to the prior art.
Summary of the invention
The present invention is a kind of fluid reflux that can be avoided heating water route for proposing to overcome the prior art to bathroom Water compensating valve water route component and its wall-hung boiler heating system in water route.
To achieve the goals above, the present invention provides a kind of water compensating valve water route component, and water compensating valve water route component includes First water route, water compensating valve and by the water compensating valve to the pump tube that is connected with the first water route, the pump tube is used Further to connect water pump, water compensating valve water route component is equipped with the fluid in first water route is injected the water pump In moisturizing valve passage, the moisturizing valve passage and first water route are antarafacial relationship, are provided in the moisturizing valve passage Check-valves.
As a further improvement of the present invention, water compensating valve water route component is applied in wall-hung boiler heating system, described First water route is the bathroom water route in the wall-hung boiler heating system, and the pump tube by the water pump further to be connected The heating water route in the wall-hung boiler heating system is connect, the check-valves is to prevent the fluid reflux in the heating water route extremely In the bathroom water route.
As a further improvement of the present invention, the water compensating valve is equipped with moisturizing valve chamber and intracavitary positioned at the water compensating valve Moisturizing valve rod assembly, first water route are connected by moisturizing valve chamber with the moisturizing valve passage.
As a further improvement of the present invention, moisturizing water inlet is equipped between first water route and moisturizing valve chamber, it is described There is step between moisturizing valve chamber and the moisturizing water inlet, the moisturizing valve rod assembly is to be held on the step to realize The opening and closing of water compensating valve.
As a further improvement of the present invention, first water route is arranged in a mutually vertical manner with the pump tube, the benefit Water valve channel is vertically arranged with the moisturizing valve chamber.
As a further improvement of the present invention, the pump tube include with the moisturizing valve passage be interconnected to To the water pump interface channel of water pump, hollow retaining wall, institute are equipped between the moisturizing valve passage and the water pump interface channel It states check-valves one end to be resisted against on the retaining wall, the other end is against the retaining ring having to hold.
As a further improvement of the present invention, the retaining ring is the cyclic structure that section is arc.
As a further improvement of the present invention, the moisturizing valve passage goes out in the other end of retaining wall equipped with what is outwardly led directly to Mouthful.
As a further improvement of the present invention, the water compensating valve channel outlet is equipped with blocking, the blocking include cock body with And enclose the ring type seal set on cock body border.
Following technical solution also can be used in the present invention:
A kind of wall-hung boiler heating system, the wall-hung boiler heating system include wall-hung boiler and are connected with the wall-hung boiler Water compensating valve water route component, water compensating valve water route component can be avoided the pump tube in the wall-hung boiler heating system In fluid reflux to first water route.
The present invention in the pump tube by being arranged to inject the fluid in first water route in the water pump Moisturizing valve passage, be arranged to prevent the check-valves in fluid reflux to first water route in the moisturizing valve passage.Such as This setting, prevents sewage backflow, pollutes domestic water, can form return water protection in the case where moisturizing defective valve, effectively anti- Only dirty water is flowed backward in heating channel, prevents from polluting.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of water compensating valve water route of the present invention component.
Fig. 2 is the A-A schematic cross-sectional view of water compensating valve water route component shown in Fig. 1.
Fig. 3 is the partial enlarged view of water route component shown in Fig. 3.
Fig. 4 is the C-C schematic cross-sectional view of water compensating valve water route component shown in Fig. 1.
Main element symbol description
10 first water route 11 of water compensating valve water route component
111 water inlet 112 of bathroom water route
114 water sensor 115 of water compensating valve
12 moisturizing valve passage 121 of pump tube
122 water pump interface 13 of retaining wall
131 check-valves 2 of water pump interface channel
3 blocking 4 of retaining ring
41 sealing ring 42 of cock body
1141 moisturizing valve rod assembly 1142 of moisturizing water inlet
1143 step 1144 of moisturizing valve chamber
The present invention that the following detailed description will be further explained with reference to the above drawings.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
It should be noted that it can be directly on another component when component is referred to as " being installed in " another component Or there may also be components placed in the middle.When a component is considered as " being set to " another component, it, which can be, is directly set Set on another component or may be simultaneously present component placed in the middle.
Unless otherwise defined, all technical and scientific terms used herein and belong to technology of the invention
The normally understood meaning of the technical staff in field is identical.Term as used herein in the specification of the present invention It is only for the purpose of describing specific embodiments and is not intended to limit the present invention.It is used herein
Term " and/or " it include any and all combinations of one or more related listed items.
Also referring to Fig. 1 to Fig. 4, Fig. 1 is the structural schematic diagram of water compensating valve water route component 10 of the invention, water compensating valve water Road component 10 includes the first water route 11, pump tube 12, and the first water route 11 is interconnected with pump tube 12, and the first water route 11 is used To supply water into pump tube 12, water compensating valve water route component 10 can prevent the fluid reflux in pump tube 12 to the first water route In 11.
In present embodiment, water compensating valve water route component 10 is applied in wall-hung boiler heating system, and the first water route 11 is wall hanging Bathroom water route 111 in furnace heating system, pump tube 12, which can be used to the heating water route into wall-hung boiler heating system, (does not scheme Show) it supplies water, water compensating valve water route component 10 to family to supply water and can prevent in the heating water route in wall-hung boiler heating system Fluid reflux into bathroom water route 111.
In wall-hung boiler heating system, bathroom water route 111 to Household sanitary provide domestic water, heating water route to For Home Heating, heating water route is in hollow state after the completion of laying, needs to first pass through pump tube 12 to its internal water flooding It is afterwards again Home Heating, heating water route is in inner sealing state when in use, does not have fluid communication, therefore heating water with the external world Its water quality can be deteriorated after long-term use on road.It is provided with sealing element between heating water route and pump tube 12, but the sealing element Meeting degradation failure in the long-term use process causes the dirty water in heating water route to be back to bathroom water route by pump tube 12 In 111, it polluted the good domestic water of water quality in bathroom water route 111, affect normal family life.Water compensating valve water route group Part 10 is applied to the fluid reflux that in wall-hung boiler heating system, can be avoided in heating water route to bathroom water route 111.
It is appreciated that water compensating valve water route component 10 is not limited to be only applied in wall-hung boiler heating system, in other implementations In mode, water compensating valve water route component 10 can also be applied in other water supply and sewerage systems such as municipal network of rivers, as long as the water supply Drainage system needs to prevent the reflux between different water routes that water compensating valve water route provided by the invention component 10 can be used.Bathroom water Road 111 connects heating water route by pump tube 12, and bathroom water route 111 includes water inlet 112 and water outlet (not labeled), water inlet Mouth 112 is interconnected with water outlet, and the hot water in bathroom water route 111 is flowed into out of water inlet 112, then flows out from water outlet, from The fluid stream of water outlet outflow enters in Household sanitary, provides water quality good domestic water for Household sanitary.
Bathroom water route 111 is installed with water compensating valve 114 close to the position of water inlet 112, and bathroom water route 111 passes through water compensating valve 114 connection pump tubes 12.Water compensating valve 114 to heating water route in first be laid with to its internal moisturizing, heating water route is filled up After water flow, wall-hung boiler heating system understands the water flow in heating water route, and the water flow after heating is entered by pipelines such as floor heating pipes In family, the temperature in room is improved to realize Home Heating.
Bathroom water route 111 is provided with water sensor 115 close to the position of water outlet, and water sensor 115 is to measure The flow velocity and water of water flow can provide water amount parameters for user, carry out water control convenient for user.One end of pump tube 12 is logical It crosses water compensating valve 114 and connects bathroom water route 111, the other end connects water pump interface 13, is equipped with moisturizing valve passage beside pump tube 12 121, check-valves 2 is arranged in moisturizing valve passage 121, check-valves 2 has one-way flow effect, when needing to pass through pump tube 12, to when the heating water route water supply being laid with for the first time, can be not provided with check-valves 2, water flow can flow into heating water route;Work as heating water After the moisturizing of road, by check-valves 2 be mounted laterally in moisturizing valve passage 121 and be subject to retaining ring 3 by check-valves 2 fixed, energy The water flow inversely transmitted from heating water road direction bathroom water route 111 is enough blocked, the dirty water in heating water route is avoided to be back to bathroom water In road 111.
The water compensating valve 114 be equipped with the moisturizing water inlet 1141 of 11 lateral communication of the first water route and from the moisturizing into The moisturizing valve chamber 1143 that 1141 further expansion of the mouth of a river extends, the moisturizing valve chamber 1143 is to accommodate moisturizing valve rod assembly 1142, the moisturizing valve chamber 1143, which goes back lateral communication, the water compensating valve channel 121.The moisturizing valve chamber 1143 and the moisturizing There is step 1144 between water inlet 1141, the moisturizing valve rod assembly 1142 realizes benefit to be held on the step 1144 The opening and closing of water valve 114.
It please join Fig. 4,121 one end of moisturizing valve passage in the pump tube 12 is laterally straight-through with the external world, the other end and water Pump interface channel 131 is connected.When water compensating valve 114 is opened, the water flow in first water route 11 passes through moisturizing water inlet 1141 enter moisturizing valve chamber 1143, travel further into moisturizing valve passage 121 and water pump interface channel 131, to realize water Introduce the purpose in last heating water route.
Hollow retaining wall 122, the non-return are equipped between the moisturizing valve passage 121 and the water pump interface channel 131 2 one end of valve is resisted against on the retaining wall 122, and the other end is resisted against on retaining ring 3, and retaining ring 3 connects to fixed check-valves 131 in water route Relative position when logical.In present embodiment, retaining ring 3 is generally " U "-shaped, as the section cyclic structure that is arc, " u "-shaped Retaining ring 3 has relatively good elasticity, the fixation check-valves 131 that can more consolidate.It is appreciated that in other embodiments In, retaining ring 3 can also be using other shapes, as long as its relative position for being capable of fixing check-valves 131.
When installing check-valves 4, the check-valves 4 protrudes into moisturizing valve passage 121 from the pump tube 12 that side leads to, so that One end of check-valves 4 is fixedly installed on hollow retaining wall 122, then the fixation through retaining ring 3 to 4 other end of check-valves, thus real Now check-valves 4 is fixed in moisturizing valve passage 121.It is logical in water compensating valve after check-valves 4 is fixed in moisturizing valve passage 121 Road 121 exports blocking 4 in addition, and to seal to moisturizing valve passage 121 is in addition external, the blocking 4 includes cock body 41 and encloses Ring type seal 42 set on 41 border of cock body, so to play the role of better seal and fixing.
In the present embodiment, the check-valves 2 prevents heating using elastic sealing elements such as existing spring sealed circles In fluid reflux to bathroom water route 111 in water route, in other embodiments, it can also be prevented using existing ball sealer It is not shown in fluid reflux to bathroom water route 111 in heating water route.It is appreciated that check-valves 2 can also be using other knots Structure avoids the fluid in heating water route from returning as long as check-valves 2 can be realized one-way flow of the bathroom water route 111 to heating water route It flow in bathroom water route 111.
Heating water route in first be laid with successively forward with water pump interface channel 131, moisturizing valve passage 121, water compensating valve Chamber 1143, moisturizing water inlet 1141, the first water route 11 are connected, and realize the water flow in the first water route 11 injecting heating waterway tube In road, water circulation of the heating water route in inner sealing state when for Home Heating.Actuator is provided in circulation waterway, it should Actuator is to drive water circulation to flow, to realize Home Heating.In present embodiment, actuator is water pump, with water Pump interface 13 docks.
It is appreciated that heating water road can also open up more interfaces and carry out connecting valve component, as long as heating water route energy It is enough safely to realize Home Heating.
The moisturizing valve passage 121 and first water route 11 are antarafacial relationship, in present embodiment, bathroom water route 111 It is vertically arranged with 12 antarafacial of pump tube, space can be saved, be easily installed.It is appreciated that in other embodiments, bathroom It can also be different such as other angles using other arrangement modes in addition to antarafacial is vertical between water route 111 and pump tube 12 Face relationship etc. (not shown), as long as bathroom water route 111 can be realized the connection between pump tube 12.
The present invention also provides a kind of wall-hung boiler heating systems comprising wall-hung boiler and above-mentioned water compensating valve water route component 10, Water compensating valve water route component 10 is connected with wall-hung boiler, and wall-hung boiler heating system can prevent the water flow in heating water route from flowing back To bathroom water route 111, pollution of the water quality by heating water route in bathroom water route 111 is avoided.
Water compensating valve water route provided by the invention component 10 is by being arranged non-return in the moisturizing valve passage 121 of pump tube 12 Valve 2 can be avoided the water flow in heating water route and be back in the first water route 11, realize the protection to 11 water quality of the first water route.
Wall-hung boiler heating system provided by the invention uses above-mentioned water compensating valve water route component 10, can prevent heating water route Interior water flow is back in bathroom water route 111, avoids pollution of the water quality by heating water route in bathroom water route 111.
Those skilled in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention, And be not used as limitation of the invention, as long as being made in spirit of the invention to embodiment of above It is appropriate change and variation all fall in the interior of the scope of protection of present invention.

Claims (10)

1. a kind of water compensating valve water route component, which is characterized in that water compensating valve water route component includes the first water route, water compensating valve and leads to The water compensating valve is crossed to the pump tube being connected with the first water route, the pump tube is further to connect water pump, institute Water compensating valve water route component is stated to be equipped with the fluid in first water route to be injected to the moisturizing valve passage in the water pump, it is described Moisturizing valve passage and first water route are antarafacial relationship, are provided with check-valves in the moisturizing valve passage.
2. water compensating valve water route as described in claim 1 component, which is characterized in that water compensating valve water route component is applied to wall hanging In furnace heating system, first water route is the bathroom water route in the wall-hung boiler heating system, and the pump tube is to logical It crosses the water pump and further connects heating water route in the wall-hung boiler heating system, the check-valves is to prevent the heating In fluid reflux to the bathroom water route in water route.
3. water compensating valve water route as described in claim 1 component, which is characterized in that the water compensating valve is equipped with moisturizing valve chamber and position In the intracavitary moisturizing valve rod assembly of the water compensating valve, first water route is connected by moisturizing valve chamber with the moisturizing valve passage It is logical.
4. water compensating valve water route as claimed in claim 3 component, which is characterized in that set between first water route and moisturizing valve chamber There is moisturizing water inlet, there is step between the moisturizing valve chamber and the moisturizing water inlet, the moisturizing valve rod assembly is held to push up In the opening and closing for realizing water compensating valve on the step.
5. water compensating valve water route as claimed in claim 3 component, which is characterized in that first water route and the pump tube phase It is mutually vertically arranged, the moisturizing valve passage is vertically arranged with the moisturizing valve chamber.
6. water compensating valve water route as described in claim 1 component, which is characterized in that the pump tube includes and the water compensating valve Channel be interconnected to the water pump interface channel to water pump, between the moisturizing valve passage and the water pump interface channel Equipped with hollow retaining wall, described check-valves one end is resisted against on the retaining wall, and the other end is against the retaining ring having to hold.
7. water compensating valve water route as claimed in claim 6 component, which is characterized in that the retaining ring is the cyclic annular knot that section is arc Structure.
8. water compensating valve water route as claimed in claim 6 component, which is characterized in that the moisturizing valve passage is in the other end of retaining wall Equipped with outwardly straight-through outlet.
9. water compensating valve water route as claimed in claim 8 component, which is characterized in that the water compensating valve channel outlet is equipped with blocking, The blocking includes cock body and encloses the ring type seal set on cock body border.
10. a kind of wall-hung boiler heating system, the wall-hung boiler heating system includes wall-hung boiler and is connected with the wall-hung boiler Water compensating valve water route component, which is characterized in that water compensating valve water route component uses water compensating valve water route as claimed in claims 1-9 Component, water compensating valve water route component can be avoided the fluid reflux of the pump tube in the wall-hung boiler heating system extremely In first water route.
CN201711448645.1A 2017-12-27 2017-12-27 Water compensating valve water route component and its wall-hung boiler heating system Pending CN109973669A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711448645.1A CN109973669A (en) 2017-12-27 2017-12-27 Water compensating valve water route component and its wall-hung boiler heating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711448645.1A CN109973669A (en) 2017-12-27 2017-12-27 Water compensating valve water route component and its wall-hung boiler heating system

Publications (1)

Publication Number Publication Date
CN109973669A true CN109973669A (en) 2019-07-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711448645.1A Pending CN109973669A (en) 2017-12-27 2017-12-27 Water compensating valve water route component and its wall-hung boiler heating system

Country Status (1)

Country Link
CN (1) CN109973669A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202581543U (en) * 2012-04-28 2012-12-05 广州迪森家用锅炉制造有限公司 Casing-pipe-simplified water route of fuel gas water heating boiler for heating
CN202947206U (en) * 2012-07-13 2013-05-22 浙江春晖智能控制股份有限公司 Independent type built-in waterway bypass module
CN203605318U (en) * 2013-11-14 2014-05-21 恒翔控股集团有限公司 Water inlet valve for combination wall-mounted gas furnace
CN205278450U (en) * 2016-01-04 2016-06-01 浙江普尔法智能电气有限公司 Hanging is water intaking valve device for stove
CN106524290A (en) * 2016-12-21 2017-03-22 广州迪森家居环境技术有限公司 Double-pipe wall-hung stove water circuit system and operating control method thereof
CN106763931A (en) * 2016-12-28 2017-05-31 广东万家乐燃气具有限公司 A kind of central hot water check valve and its central hot water circulation system
CN107339438A (en) * 2017-06-14 2017-11-10 河北温泰燃气设备有限公司 Prevent the burnt gas wall hanging furnace water intaking valve of internal flaw
CN206786070U (en) * 2017-06-14 2017-12-22 河北温泰燃气设备有限公司 The burnt gas wall hanging furnace water intaking valve that effect is inserted with side

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202581543U (en) * 2012-04-28 2012-12-05 广州迪森家用锅炉制造有限公司 Casing-pipe-simplified water route of fuel gas water heating boiler for heating
CN202947206U (en) * 2012-07-13 2013-05-22 浙江春晖智能控制股份有限公司 Independent type built-in waterway bypass module
CN203605318U (en) * 2013-11-14 2014-05-21 恒翔控股集团有限公司 Water inlet valve for combination wall-mounted gas furnace
CN205278450U (en) * 2016-01-04 2016-06-01 浙江普尔法智能电气有限公司 Hanging is water intaking valve device for stove
CN106524290A (en) * 2016-12-21 2017-03-22 广州迪森家居环境技术有限公司 Double-pipe wall-hung stove water circuit system and operating control method thereof
CN106763931A (en) * 2016-12-28 2017-05-31 广东万家乐燃气具有限公司 A kind of central hot water check valve and its central hot water circulation system
CN107339438A (en) * 2017-06-14 2017-11-10 河北温泰燃气设备有限公司 Prevent the burnt gas wall hanging furnace water intaking valve of internal flaw
CN206786070U (en) * 2017-06-14 2017-12-22 河北温泰燃气设备有限公司 The burnt gas wall hanging furnace water intaking valve that effect is inserted with side

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Effective date of registration: 20190827

Address after: 311800 Zhejiang city in Shaoxing Province town of Zhuji city shop Industrial Zone

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Applicant after: Zhejiang Huayi Precision Machinery Co.,Ltd.

Address before: 311800 Diankou Town Industrial Zone, Zhuji City, Shaoxing City, Zhejiang Province

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