CN206695415U - A kind of pipeline frost valve - Google Patents

A kind of pipeline frost valve Download PDF

Info

Publication number
CN206695415U
CN206695415U CN201720475250.XU CN201720475250U CN206695415U CN 206695415 U CN206695415 U CN 206695415U CN 201720475250 U CN201720475250 U CN 201720475250U CN 206695415 U CN206695415 U CN 206695415U
Authority
CN
China
Prior art keywords
connector
pass part
lower connector
water
frost valve
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
CN201720475250.XU
Other languages
Chinese (zh)
Inventor
杨常荣
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201720475250.XU priority Critical patent/CN206695415U/en
Application granted granted Critical
Publication of CN206695415U publication Critical patent/CN206695415U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers

Landscapes

  • Check Valves (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)

Abstract

The utility model discloses a kind of pipeline frost valve, belong to the antifreeze field of Outer Tube, the frost valve includes upper connector, single-pass part and lower connector, is socketed with single-pass part in the bottom opening of the upper connector, the upper connector bottom opening is flexibly connected with the open top of lower connector;The through hole for flowing of supplying water is provided with the single-pass part, the single-pass part upper surface is hinged with sideboard, and the sideboard upper surface is provided with ferromagnetic metal block;The magnet for coordinating magnetic to be connected with the ferromagnetic metal block is provided with the lateral wall of the upper connector;The lower connector inner chamber is provided with spring, and one end of the spring is fixedly connected with the madial wall of the lower connector, and the other end of the spring is fixed with air valve plate, and the position of the air valve plate towards madial wall is provided with stomata.The utility model utilizes the principle of atmospheric pressure, the emptying of water in pipeline is realized, so as to reach the purpose of freezing prevention tubing.

Description

A kind of pipeline frost valve
Technical field
It the utility model is related to a kind of freezing prevention tubing equipment, specifically a kind of pipeline frost valve.
Background technology
The charge and discharge water of the solar water container of prior art is conveyed by a yard piping, and in northern China, winter puts down Equal temperature is below 0 DEG C.
During using solar energy, due to water can be full of in Outer Tube, when temperature be less than -5 DEG C when, Outer Tube will bursting by freezing, pass The mode of the anti-Outer Tube bursting by freezing of system mainly carries out isothermal holding to exposed Outer Tube, with thermal insulating materials such as cotton, plastic foams Material parcel yard piping, there is a method in which being exactly the hot water tap for opening solar water heater, slowly dripped by be allowed it, is come with this Ensure that current flow all the time in Outer Tube;It fact proved, traditional antifreeze method not only bothers, and antifreezing effect is poor.So When the user in many north uses solar energy in the winter time, usually after use, the water in water tank is vented, or even winter is not Using solar energy, many inconvenience not only so are caused to client, while cause the waste of water resource.
Utility model content
In view of the above-mentioned problems, the utility model proposes a kind of pipeline frost valve, to solve above-mentioned technical problem.
Specifically scheme is:A kind of pipeline frost valve, the frost valve include upper connector, single-pass part and lower connector, Single-pass part, the open top of the upper connector bottom opening and lower connector are socketed with the bottom opening of the upper connector It is flexibly connected;The through hole for flowing of supplying water is provided with the single-pass part, the single-pass part upper surface is hinged with sideboard, described Sideboard upper surface is provided with ferromagnetic metal block, and ferromagnetic metal block surface scribbles corrosion resistant coating;Outside the upper connector The magnet for coordinating magnetic to be connected with the ferromagnetic metal block is provided with side wall;The lower connector inner chamber is provided with spring, One end of the spring is fixedly connected with the madial wall of the lower connector, and the other end of the spring is fixed with air valve plate, institute The position for stating air valve plate towards madial wall is provided with stomata.By the drain function of the frost valve, Outer Tube water can be emptied, reached The purpose antifreeze to Outer Tube, its working process and principle are:The upper connector of the frost valve and solar water container bottom are joined It is logical, the Outer Tube of lower connector UNICOM solar energy.
1st, when into solar water container plus during water, opening running water valve, current are from bottom to top by Outer Tube to solar energy Water tank with water, now, current first flow through lower connector, in lower connector, in the presence of spring top power and hydraulic pressure, by air valve Piece withstands stomata, makes port sealing;Then, after through hole of the current by single-pass part, wash sideboard open and enter upper connector In so be flowed into solar water container, now under magneticaction of the sideboard between ferromagnetic metal block and magnet, activity Baffle plate is in normally open, due to the presence of ferromagnetic metal block, when sideboard is in normally open, sideboard and single-pass Angle between part is less than 90 °.
2nd, after solar water container topped up with water, stop plus water, closing running water valve, the water spray for opening solar water heater are imperial Head, the magnetic for breaking off magnet with ferromagnetic metal block are connected, because the angle between sideboard and single-pass part is less than 90 °, this When sideboard fall, the through hole of single-pass part is sealed, now the water of solar water container can not flow down;Simultaneously as stop adding Water, water (flow) direction change, and the water in lower connector has the trend trickled downwards, and now atmospheric pressure can overcome spring top power, top Air valve plate is opened, now stomata is opened, and air-flow runs through stomata and entered in Outer Tube, makes to be trapped in the water in Outer Tube and leads to The Shower tap outflow of solar water heater is crossed, reaches the purpose of Outer Tube emptied of water, after Outer Tube water empties, in its pipe Air pressure reaches poised state with external pressure, and air valve plate is in the presence of spring force, again by port sealing;It is achieved in Outer Tube it is antifreeze.
Further, the profile of upper connector and lower connector is all cylindrical structure, is set at the top of the upper connector It is equipped with the first water service pipe, the first water service pipe and solar water container UNICOM, the bottom of lower connector are provided with the second water service pipe, and second Water service pipe and Outer Tube UNICOM, in order to strengthen sealing of the air valve plate to stomata, so the aperture of the second water service pipe is more than single-pass The through-hole aperture of part, the hydraulic pressure in lower connector is improved, top power of the air valve plate to stomata is enhanced, so as to enhance air valve plate To the sealing of stomata.
When further, in order to prevent that water from flowing through the frost valve, single-pass part rotates so that sideboard and magnet position The relative skew put, so the lateral wall where magnet is designed as into the first infolding face, the first infolding face includes plane of structure and vertical plane; The shape of described single-pass part is corresponding with the shape of the upper connector and the lower connector, outer ring at the top of the single-pass part The 2nd Inner of clamping is coordinated to roll over face with the first Inner foldings face along being provided with.Rolled between single-pass part and upper connector by the first Inner The clamping in face and the 2nd Inner foldings face is spacing, it is therefore prevented that single-pass part rotates, and stabilizes magnet and sideboard relative position, ensures magnetic Body can hold sideboard, and then reduce the fault rate that the frost valve uses.
Further, fixed single-pass part, the lower open-topped Inner edge of connector are provided with a circle and are used to clamp for convenience The gear edge of the single-pass part, gear are engaged along the plane of structure with the first Inner foldings face, single-pass part are clamped.
Further, upper connector is to be threadedly coupled with the connected mode of lower connector, is specially:The top of lower connector Lateral wall is provided with external screw thread, and the bottom inside wall of upper connector is provided with the internal thread being connected with external screw thread matching thread, should Connection Step between frost valve upper connector, single-pass part and lower connector is:Single-pass part is socketed in upper connector first It is interior, while coordinate spacing clamping between the first Inner folding faces and the 2nd Inner foldings face, then lower connector and upper connector screw thread are connected Connect, during rotatable connection, gear is engaged along the plane of structure with the first Inner foldings face, gradually clamps single-pass part.
Further, in the state of sideboard seals through hole, in order to prevent the water in upper connector to be flowed into lower company In fitting, so gear is provided with resistant to elevated temperatures first sealing rubber pad of a circle along top, upper connector and lower connector are enhanced Between connection gap sealing.
Further, during Jia Shui, in order to prevent current from being flowed out out of lower connector stomata, so in air valve plate Outer surface be provided with resistant to elevated temperatures second sealing rubber pad, enhance sealing of the air valve plate to stomata.
Further, the dismounting of magnet, the vertical plane in the first described Inner foldings face are provided with cutting ferrule, the cutting ferrule Magnet is inside connected with, described magnet is permanent magnet or magnet coil.
Further, in order to improve the stability that spring washes away in water, one side of air valve plate with the lower connector Side wall stomata edge is hinged.
Wherein, when solar water container be placed on height it is lower ground square when, people are easy to touch solar water container, now Magnet can use permanent magnet, and when carrying out Outer Tube drainage works, only need to manually remove permanent magnet can break off and ferromagnetism gold Belong to the magnetic connection of block.When solar water container is placed on the higher place of height, people are more difficult to touch solar water container, this Shi Caiyong magnet coils, magnet coil realize Magnetic Control by power on/off.
The beneficial effects of the utility model:Pass through magnet, ferromagnetic metal, sideboard, spring, air valve plate and stomata Between mutual cooperation, using the principle of atmospheric pressure and hydraulic pressure, the emptying to water in Outer Tube is implemented separately, is solved from root When conventional solar boilers use in the winter time the problem of Outer Tube bursting by freezing;Substantially increase the applicable bar of solar water heater Part, it is easy to the popularization of solar water heater, further increases the substitutability of traditional electric heater, indirectly saved electricity Can, play a part of energy-saving and emission-reduction;Meanwhile the first Inner folding face, the 2nd Inner folding face and gear along between cooperation principle it is simple, and The mode that upper connector is connected through a screw thread with lower connector connects, dismounting easy to install, while reduces the failure of the frost valve Rate, improve reliability.
Brief description of the drawings
Fig. 1 is a kind of structure decomposition figure of pipeline frost valve;
Fig. 2 is a kind of schematic appearance of pipeline frost valve;
Fig. 3 is a kind of inside principle schematic of the schematic appearance of pipeline frost valve;
Fig. 4 is the partial enlarged drawing at A in Fig. 3;
Fig. 5 is the structural representation of single-pass part;
Fig. 6 is the top view of lower connector;
In figure:1st, upper connector, 2, permanent magnet/magnet coil, 3, ferromagnetic metal block, 4, single-pass part, the 5, first sealing Rubber blanket, the 6, second sealing rubber pad, 7, lower connector, the 8, second water service pipe, 9, stomata, 10, gear edge, the 11, the 2nd Inner foldings face, 12nd, sideboard, 13, plane of structure, 14, cutting ferrule, 15, vertical plane, the 16, first water service pipe, the 17, the first Inner foldings face, 18, through hole, 19, bullet Spring, 20, air valve plate.
It is worth noting that, in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection;Can be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.
Embodiment
With reference to Figure of description and specific embodiment, the utility model will be further described:
Embodiment 1
If accompanying drawing 1 is to shown in accompanying drawing 6, a kind of pipeline frost valve, the frost valve include upper connector 1, single-pass part 4 and under Connector 7, single-pass part 4, the bottom opening of upper connector 1 and lower connection are socketed with the bottom opening of the upper connector 1 The open top threaded connection of part 7;Described upper connector 1 and the profile of lower connector 7 are all cylindrical structure, the upper company The top of fitting 1 is provided with the first water service pipe 16, and the bottom of the lower connector 7 is provided with the second water service pipe 8, and described second is logical The aperture of water pipe 8 is more than the aperture of through hole 18 of the single-pass part 4.
The through hole 18 for flowing of supplying water is provided with the single-pass part 4, the upper surface of single-pass part 4 is hinged with sideboard 12, the upper surface of sideboard 12 is provided with ferromagnetic metal block 3;It is provided with the lateral wall of the upper connector 1 and institute State the permanent magnet 2 that ferromagnetic metal block 3 coordinates magnetic connection;Lateral wall where the permanent magnet 2 is the first infolding face, described The first infolding face include plane of structure 13 and vertical plane 15.The shape of described single-pass part 4 and the upper connector 1 and the lower connection The shape of part 7 is corresponding, and the top outer ring of single-pass part 4 coordinates the 2nd Inner of clamping along being provided with the first Inner foldings face 17 Folding face 11.
The inner chamber of lower connector 7 is provided with spring 19, one end of the spring 19 and the madial wall of the lower connector 7 It is fixedly connected, the other end of the spring 19 is fixed with air valve plate 20, and the position of air valve plate 20 towards the madial wall is provided with gas Hole 9.The lower open-topped Inner edge of connector 7 are provided with a circle and are used to clamp the gear of the single-pass part 4 along 10.The lower connector 7 top outer wall is provided with external screw thread, and the bottom inside wall of the upper connector 1 is provided with and the external screw thread matching thread The internal thread of connection.The gear is provided with resistant to elevated temperatures first sealing rubber pad 5 of a circle along 10 tops.Outside the air valve plate 20 Surface is provided with resistant to elevated temperatures second sealing rubber pad 6.The vertical plane 15 in described the first Inner foldings face 17 is provided with cutting ferrule 14, described Permanent magnet 2 is connected with cutting ferrule 14.
When into solar water container plus during water, opening running water valve, current are from bottom to top by Outer Tube to solar energy water Case water filling, now, current first flow through lower connector 7, in lower connector 7, in the presence of spring 19 pushes up power and hydraulic pressure, by gas Valve block 20 withstands stomata 9, seals stomata 9;Then, after the through hole 18 that current pass through single-pass part 4, wash sideboard 12 open and enter Into upper connector 1 and then it is flowed into solar water container, now sideboard 12 is between ferromagnetic metal block 3 and permanent magnet 2 Magneticaction under, sideboard 12 is in normally open, and due to the presence of ferromagnetic metal block 3, sideboard 12 is in often During open state, the angle between sideboard 12 and single-pass part 4 is less than 90 °.
After solar water container topped up with water, stop plus water, closing running water valve, the water spray for opening solar water heater are imperial Head, permanent magnet 2 is removed, because the angle between sideboard 12 and single-pass part 4 is less than 90 °, now sideboard 12 falls, will The through hole 18 of single-pass part 4 seals, and now the water of solar water container can not flow down;Simultaneously as stopping adding water, water (flow) direction changes Becoming, the water in lower connector 7 has the trend trickled downwards, and now atmospheric pressure can overcome spring 19 to push up power, and air valve plate 20 is opened on top, Now stomata 9 is opened, and air-flow runs through stomata 9 and entered in Outer Tube, makes to be trapped in the water in Outer Tube and passes through the sun Can water heater Shower tap outflow, reach the purpose of Outer Tube emptied of water, after Outer Tube water empty, air pressure in its pipe and External pressure reaches poised state, and air valve plate 20 again seals stomata 9 in the presence of the elastic force of spring 19;It is achieved in Outer Tube it is antifreeze.
Embodiment 2
If accompanying drawing 1 is to shown in accompanying drawing 6, a kind of pipeline frost valve, the frost valve include upper connector 1, single-pass part 4 and under Connector 7, single-pass part 4, the bottom opening of upper connector 1 and lower connection are socketed with the bottom opening of the upper connector 1 The open top threaded connection of part 7;Described upper connector 1 and the profile of lower connector 7 are all cylindrical structure, the upper company The top of fitting 1 is provided with the first water service pipe 16, and the bottom of the lower connector 7 is provided with the second water service pipe 8, and described second is logical The aperture of water pipe 8 is more than the aperture of through hole 18 of the single-pass part 4.
The through hole 18 for flowing of supplying water is provided with the single-pass part 4, the upper surface of single-pass part 4 is hinged with sideboard 12, the upper surface of sideboard 12 is provided with ferromagnetic metal block 3;It is provided with the lateral wall of the upper connector 1 and institute State the magnet coil 2 that ferromagnetic metal block 3 coordinates magnetic connection;Lateral wall where the magnet coil 2 is the first infolding face, The first described infolding face includes plane of structure 13 and vertical plane 15.The shape of described single-pass part 4 and the upper connector 1 and it is described under The shape of connector 7 is corresponding, and the top outer ring of single-pass part 4 coordinates the of clamping with the first Inner foldings face 17 along being provided with Two Inner roll over face 11.
The inner chamber of lower connector 7 is provided with spring 19, one end of the spring 19 and the madial wall of the lower connector 7 It is fixedly connected, the other end of the spring 19 is fixed with air valve plate 20, and the position of air valve plate 20 towards the madial wall is provided with gas Hole 9.The lower open-topped Inner edge of connector 7 are provided with a circle and are used to clamp the gear of the single-pass part 4 along 10.The lower connector 7 top outer wall is provided with external screw thread, and the bottom inside wall of the upper connector 1 is provided with and the external screw thread matching thread The internal thread of connection.The gear is provided with resistant to elevated temperatures first sealing rubber pad 5 of a circle along 10 tops.Outside the air valve plate 20 Surface is provided with resistant to elevated temperatures second sealing rubber pad 6.The vertical plane 15 in described the first Inner foldings face 17 is provided with cutting ferrule 14, described Magnet coil 2 is connected with cutting ferrule 14.
When into solar water container plus during water, opening running water valve, current are from bottom to top by Outer Tube to solar energy water Case water filling, now, current first flow through lower connector 7, in lower connector 7, in the presence of spring 19 pushes up power and hydraulic pressure, by gas Valve block 20 withstands stomata 9, seals stomata 9;Then, after the through hole 18 that current pass through single-pass part 4, wash sideboard 12 open and enter Into upper connector 1 and then it is flowed into solar water container, now sideboard 12 is in ferromagnetic metal block 3 and magnet coil 2 Between magneticaction under, sideboard 12 is in normally open, and due to the presence of ferromagnetic metal block 3, sideboard 12 is in During normally open, the angle between sideboard 12 and single-pass part 4 is less than 90 °.
After solar water container topped up with water, stop plus water, closing running water valve, the water spray for opening solar water heater are imperial Head, by the power supply in user room, (the power supply connection of magnet coil 2 belongs to normal for the energization for closing to magnet coil 2 The circuit connection of rule, known to those skilled in the art), because the angle between sideboard 12 and single-pass part 4 is less than 90 °, Now sideboard 12 falls, and the through hole 18 of single-pass part 4 is sealed, now the water of solar water container can not flow down;Simultaneously as Stop plus water, water (flow) direction change, the water in lower connector 7 has the trend trickled downwards, and now atmospheric pressure can overcome spring Air valve plate 20 is opened on 19 top power, top, when stomata 9 be opened, air-flow runs through stomata 9 and entered in Outer Tube, makes to be trapped in outer Water in pipeline is flowed out by the Shower tap of solar water heater, reaches the purpose of Outer Tube emptied of water, when Outer Tube water is arranged After sky, the air pressure in its pipe reaches poised state with external pressure, and air valve plate 20 again will in the presence of the elastic force of spring 19 Stomata 9 seals;Thus achieve the antifreeze of Outer Tube.
Preferred embodiment of the present utility model is the foregoing is only, is not whole embodiments of the present utility model, It is all within the spirit and principles of the utility model not to limit the utility model, any modification for being made, equivalent substitution, Improve etc., it should be included within the scope of protection of the utility model.
In addition to technical characteristic described in specification, remaining technical characteristic is technology known to those skilled in the art, in order to prominent Go out innovative characteristicses of the present utility model, above-mentioned technical characteristic will not be repeated here.

Claims (10)

1. a kind of pipeline frost valve, it is characterized in that, the frost valve includes upper connector, single-pass part and lower connector, it is described on Single-pass part is socketed with the bottom opening of connector, the open top activity of the upper connector bottom opening and lower connector connects Connect;
The through hole for flowing of supplying water is provided with the single-pass part, the single-pass part upper surface is hinged with sideboard, the activity Baffle plate upper surface is provided with ferromagnetic metal block;
The magnet for coordinating magnetic to be connected with the ferromagnetic metal block is provided with the lateral wall of the upper connector;
The lower connector inner chamber is provided with spring, and one end of the spring is fixedly connected with the madial wall of the lower connector, The other end of the spring is fixed with air valve plate, and the position of the air valve plate towards madial wall is provided with stomata.
2. a kind of pipeline frost valve according to claim 1, it is characterized in that, described upper connector and lower connector it is outer Just as cylindrical structure, the first water service pipe is provided with the top of the upper connector, the bottom of the lower connector is provided with Second water service pipe, the aperture of second water service pipe are more than the through-hole aperture of the single-pass part.
3. a kind of pipeline frost valve according to claim 2, it is characterized in that, the lateral wall where the magnet is in first Folding face, the first described infolding face include plane of structure and vertical plane.
4. a kind of pipeline frost valve according to claim 3, it is characterized in that, the shape of described single-pass part and the upper company The shape of fitting and the lower connector is corresponding, and outer ring edge is provided with the top of the single-pass part and the first Inner foldings face coordinates The 2nd Inner foldings face of clamping.
5. a kind of pipeline frost valve according to claim 4, it is characterized in that, the lower open-topped Inner edge of connector are set It is equipped with the gear edge that a circle is used to clamp the single-pass part.
6. a kind of pipeline frost valve according to claim 5, it is characterized in that, the top outer wall of the lower connector is set There is external screw thread, the bottom inside wall of the upper connector is provided with the internal thread being connected with the external screw thread matching thread.
7. a kind of pipeline frost valve according to claim 6, it is characterized in that, the gear is provided with a circle high temperature resistant along top The first sealing rubber pad.
8. a kind of pipeline frost valve according to claim 7, it is characterized in that, the outer surface of the air valve plate is provided with resistance to height Second sealing rubber pad of temperature.
9. a kind of pipeline frost valve according to claim 8, it is characterized in that, the vertical plane in the first described Inner foldings face is provided with Cutting ferrule, magnet is connected with the cutting ferrule, described magnet is permanent magnet or magnet coil.
10. a kind of pipeline frost valve according to claim 9, it is characterized in that, one side of described air valve plate with it is described under Connector madial wall stomata edge is hinged.
CN201720475250.XU 2017-05-02 2017-05-02 A kind of pipeline frost valve Expired - Fee Related CN206695415U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720475250.XU CN206695415U (en) 2017-05-02 2017-05-02 A kind of pipeline frost valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720475250.XU CN206695415U (en) 2017-05-02 2017-05-02 A kind of pipeline frost valve

Publications (1)

Publication Number Publication Date
CN206695415U true CN206695415U (en) 2017-12-01

Family

ID=60447897

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720475250.XU Expired - Fee Related CN206695415U (en) 2017-05-02 2017-05-02 A kind of pipeline frost valve

Country Status (1)

Country Link
CN (1) CN206695415U (en)

Similar Documents

Publication Publication Date Title
CN206695415U (en) A kind of pipeline frost valve
CN207054324U (en) A kind of gardens environmental protective, water saving drip irrigation appliance
CN208081992U (en) Fore filter with leak stop
CN105020436B (en) A kind of gas heater multifunction ratio valve
CN201246900Y (en) Split type bearing solar water heater capable of automatically compensating water
CN202195608U (en) Solar pipeline evacuation anti-freezing device
CN104279758A (en) System for automatically recovering cold water in hot water pipeline
CN101650084B (en) Control method of pressure-limiting glass evacuated solar water heater without water tank
CN204704448U (en) A kind of caliduct venting gas appliance
CN208109341U (en) It is a kind of to use SF6The device of gas progress shell leak detection
CN107969325A (en) A kind of small-sized lawn watering device of aerosolizable water spray for afforestation
CN204083393U (en) Inlet valve high pressure air inlet and exhaust valve
CN202451924U (en) Solar water heater emptying valve provided with filtering screen assembly
CN204100589U (en) The device of cold water in a kind of the automatic recovery hot water pipeline
CN202349283U (en) Frost cracking prevention automatic protection valve for inner pipeline of water heater
CN210593430U (en) Automatic condensed water collecting and storing tank
CN210259705U (en) Alcohol-based fuel storage tank with alarm
CN206945308U (en) The flood pattern of Domestic electrical equipment life detection means
CN201449063U (en) Solar pipeline emptier
CN217980865U (en) Sampling structure of sewage treatment delivery pipe
CN207836397U (en) A kind of small-sized lawn watering device of aerosolizable water spray for afforestation
CN202419982U (en) Evacuation and recovery device for solar water heater pipeline
CN204100626U (en) A kind of cold water collecting device with pipeline link gear
CN210031976U (en) Water inlet device with air gap for domestic drinking water pipeline system
CN203116298U (en) Multifunctional gas heating water heater valve

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
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: 20171201

Termination date: 20200502