CN206959139U - A kind of expansion tank - Google Patents
A kind of expansion tank Download PDFInfo
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- CN206959139U CN206959139U CN201720925341.9U CN201720925341U CN206959139U CN 206959139 U CN206959139 U CN 206959139U CN 201720925341 U CN201720925341 U CN 201720925341U CN 206959139 U CN206959139 U CN 206959139U
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- lid shell
- epithelium
- cavity
- expansion tank
- packing ring
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Abstract
It the utility model is related to a kind of expansion tank, including lid shell and epithelium, lid shell includes the first lid shell, the second lid shell, the epithelium includes leather diaphragm, the second epithelium, the expansion tank also includes packing ring, the leather diaphragm, the second epithelium are respectively arranged on the both sides of packing ring and enclose the second cavity jointly with packing ring, and the first lid shell is located at the outside of leather diaphragm and encloses the first cavity jointly therewith, and the second lid shell is located at the outside of the second epithelium and encloses the 3rd cavity jointly therewith.Expansion tank of the present utility model is simple and reasonable for structure, during use, first cavity can be connected with heating pipe, second cavity is connected with domestic water line, 3rd cavity is connected with balance source of the gas, to meet heating pipe and domestic water line demand simultaneously, while reduce the water pressure fluctuations of heating and domestic water, improve flow stability；In addition, balanced reservoir small volume, reduces floor space, it is easy to use.
Description
Technical field
The utility model is related to a kind of expansion tank, particularly one kind can be used for balancing water pressure in dual-purpose stove water system
Expansion tank.
Background technology
For the winter heating systems such as middle-size and small-size supermarket, hotel, household, school, current heating installation is generally deposited
Floor space it is big, limited by geographic areas, invest big, electric power resource and waste seriously and the shortcomings of heat production is slow.And use common
Floor heating, groundwater resources serious waste caused by being mostly to be lost in vain by sewer or return well because of the water of backflow, open air are main
Pipe installing causes artificial and material investment, and the investment of deep well is huge, and country has also prevented to beat deep well now.If electricity consumption
Hotting mask, power consumption are too big；Common air-conditioning, the power consumption of electric heating device are also very big.
In order to solve the above problems, application publication number is CN102620342A Chinese invention patent application《Full-automatic ring
Protect energy-efficient solar heating and hot water for life dual-purpose system》(application number：CN201210125552.6 one kind) is disclosed
Structure, it includes solar heat-collection plate and the solar energy vacuum tube being arranged on solar heat-collection plate, solar energy vacuum tube difference
Water tank and fuel tank are connected with, fuel tank divides oil circuit device to be connected, is connected between fuel tank and floor heating pipeline loop with floor heating pipeline
The circulation for adding to warm oneself in oil circulating pump, fuel tank and the solar energy vacuum tube and floor heating pipeline that are connected with fuel tank is led
Deep fat, circulation fuel tank are connected with temperature control system, and water tank is connected by cooling water outlet and hot water inlet with solar energy vacuum tube respectively
Connect, cooling water inlet, hot water outlet and pressure release exhaust outlet are offered on water tank.Although said system can provide heating and life heat
Water, still, after heating when the logical full water in pipeline and always, hot water can produce pressure to pipeline, if things go on like this easy generator tube
Explosion even occurs for road leak, and if the water section in pipeline released, the pressure in pipeline is reduced, then is needing to use water
When, it is easy for the problem of water pressure fluctuations, flow instability being present；If setting stable water pressure device in pipeline, can increase
The floor space of heating system, and heating and hot water for life can not be taken into account.
Therefore it provides a kind of floor space is small and the structure of energy active balance hydraulic pressure seems particularly necessary.
Utility model content
Technical problem to be solved in the utility model is the present situation for prior art, there is provided one kind can simultaneously be reduced and taken
Warm and domestic water water pressure fluctuations, the expansion tank for improving flow stability.
Technical scheme is used by the utility model solves above-mentioned technical problem：A kind of expansion tank, including lid shell and
Epithelium, it is characterised in that：The lid shell includes the first lid shell, the second lid shell, and the epithelium includes leather diaphragm, the second epithelium,
The expansion tank also includes packing ring, and the leather diaphragm, the second epithelium are respectively arranged on the both sides of packing ring and enclosed jointly with packing ring
The second cavity is synthesized, the first lid shell is located at the outside of leather diaphragm and encloses the first cavity jointly therewith, and described second
Lid shell is located at the outside of the second epithelium and encloses the 3rd cavity jointly therewith.
In such scheme, the packing ring has the barrel chamber axially extended, is provided with the periphery wall of the packing ring with being somebody's turn to do
The second opening that barrel chamber is connected.
In order to increase the volume of the first cavity, formed with outwardly first convex from proximal edge on the first lid shell
Chamber, the first opening being connected with the first convex chamber is provided with the first lid shell.
In order to increase the volume of the second cavity, formed with outwardly second convex from proximal edge on the second lid shell
Chamber, the 3rd opening being connected with the second convex chamber is provided with the second lid shell.
Preferably, the leather diaphragm, the both sides of the second epithelium are provided with convex tendon, to prevent between epithelium and epithelium,
Adhesion between epithelium and lid shell.
Compared with prior art, the utility model has the advantage of：Expansion tank of the present utility model is simple in construction, closes
Reason, is provided with three cavitys, in use, the first cavity can be connected with heating pipe, the second cavity and domestic water line
It is connected, the 3rd cavity is connected with balance source of the gas, to meet heating pipe and domestic water line demand simultaneously, reduces simultaneously
The water pressure fluctuations of heating and domestic water, flow stability is improved, and when expansion tank is applied in dual-purpose furnace system, life is used
Waterpipe connects with the second cavity, and domestic water will not directly contact with cast housing inwall, will not also be mixed with heating water to one
Rise, so as to ensure that domestic water is not contaminated；In addition, balanced reservoir small volume, reduces floor space, it is easy to use.
Brief description of the drawings
Fig. 1 is the structural representation of expansion tank in the utility model embodiment；
Fig. 2 is Fig. 1 sectional view；
Fig. 3 is Fig. 1 exploded view；
Fig. 4 is using the structural representation for the dual-purpose furnace system for having expansion tank in the utility model embodiment.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in Figures 1 to 3, the expansion tank 6 of the present embodiment include the first lid shell 64, the second lid shell 65, leather diaphragm 66,
Second epithelium 67 and packing ring 68, packing ring 68 have the barrel chamber 681 axially extended, and leather diaphragm 66, the second epithelium 67 are set respectively
The second cavity 62 is enclosed jointly in the both sides of packing ring 68 and with packing ring 68, is provided with the periphery wall of packing ring 68 and second cavity
62 the second openings 682 being connected.
Packing ring 68 in the present embodiment is made of the plastic material with certain degree of hardness, leather diaphragm 66, the second epithelium
67 are made of the elastomeric material of elasticity and better mechanical property.Formed with outwardly from proximal edge on first lid shell 64
The first convex chamber 641, the first lid shell 64 located at leather diaphragm 66 outside and enclose the first cavity 61 jointly therewith, first cover
The first convex outside of chamber 641 of shell 64 is provided with the first opening 642 being connected with first cavity 61.On second lid shell 65 formed with
The second outwardly convex chamber 651 from proximal edge, the second lid shell 65 is located at the outside of the second epithelium 67 and encloses jointly therewith
Into the 3rd cavity 63, the second convex outside of chamber 651 of the second lid shell 65 is provided with the 3rd opening 652 being connected with the 3rd cavity 63.
The first lid shell 64, the second lid shell 65 in the present embodiment have to be made of cast iron materials.Leather diaphragm 66, the second skin
The both sides of film 67 are provided with convex tendon 607, to prevent between epithelium and epithelium, adhesion between epithelium and lid shell.First opening
642nd, the inner side of the second opening 682 is provided with check valve 80.The first lid shell 64, the second lid shell 65, the first skin in the present embodiment
Coordinated between film 66, the second epithelium 67 and packing ring 68 by bolt 90 and nut 91 and fixed.
As shown in figure 4, the dual-purpose stove work system of the present embodiment includes combustion heat-exchange device 1, gas pipeline 2, heating pipe
Road 3, domestic water line 4, heat exchanger 5 and above-mentioned expansion tank 6.Wherein, combustion heat-exchange device 1 includes heat exchange structure 11, combustion
Burn room 12 and blower fan 13, the import of gas pipeline 2 are connected with fuel gas source, outlet and the combustion heat-exchange device 1 of gas pipeline 2
Combustion chamber 12 is connected, and heating pipe 3 is a circulating line and part is changed by the heat exchange structure 11 of combustion heat-exchange device
Heat, blower fan 13 is supplementing air to combustion chamber 12 and discharge flue gas.The water exit end of heating pipe 3 is provided with triple valve 31,
The first end 311 of the triple valve 31, the second end 312 are connected on heating pipe 3.The import 41 of domestic water line 4 with
Cold water source is connected, and domestic water line 4 passes through the output of outlet 42 hot water after the heat exchange of heat exchanger 5.Domestic water line 4
Inlet segment be connected with the inlet segment of heating pipe 3, the water exit end of domestic water line 4 and the 3rd end 313 of triple valve 31
It is connected, so that the water in heating pipe 3 is further exchanged heat into heat exchanger 5.Expansion tank 6 have the first cavity 61,
Second cavity 61 and the 3rd cavity 63, the first cavity 61 are connected with heating pipe 3, the second cavity 62 and domestic water line 4
It is connected, the 3rd cavity 63 is connected with balance source of the gas, from nitrogen as Balance Air in the present embodiment.
The inlet segment of heating pipe 3 refers to one section of heating pipe 3 before heat exchange in the present embodiment, and heating pipe 3 goes out
Water section refers to one section of heating pipe 3 after heat exchange；Likewise, the inlet segment of domestic water line 4 refers to one before heat exchange
Section domestic water line 4, the water exit end of domestic water line 4 refer to one section of domestic water line 4 after heat exchange.
Using the dual-purpose furnace system of the present embodiment, usually domestic water line 4 and its hot water function is provided closed automatically,
During heating, gas pipeline 2 supplies to combustion chamber 12 to burn, and the water circulation in the closed circulation of heating pipe 3 is by burning
The heat exchange structure 11 of heat-exchanger rig 1 exchanges heat, so as to realize heating；In this process, with the rising of heating water temperature, heating pipe
Water volume expansion in road 3, makes overall recirculated water buckling big, and when reaching 6 import Opening pressure value of expansion tank, expansion is more
The water of remaining volume is just forced into the first cavity 61；When heating terminates, water temperature reduces, and the water volume in circulation loop reduces, swollen
The internal pressure of swollen water tank 6 again returns hydraulic pressure in heating loop, and expansion tank 6 plays collecting and supplement system generally in heating
The effect of the harmomegathus amount for reclaimed water of uniting.When needing domestic water line 4 to export hot water, heating function is temporarily closed by triple valve 31
Close, the water in heating pipe 3 after the heat exchange structure 11 of combustion heat-exchange device 1 exchanges heat enters domestic water line 4 and passed through
Heat exchanger 5 further heats up heel row and goes out to use, if not using heating function usually, the water source in domestic water line 4
There is provided by cold water source；In this process, if pressure of supply water drastically becomes big or reduced, expansion tank 6 is serially connected in into water compared with front end
Position, can effectively buffer the pressure in pipeline, the water of high pressure or low pressure is housed or supplemented, reach stable hydraulic pressure,
Filter out the effect of water fluctuation.
Claims (5)
1. a kind of expansion tank, including lid shell and epithelium, it is characterised in that：The lid shell includes the first lid shell (64), the second lid
Shell (65), the epithelium include leather diaphragm (66), the second epithelium (67), and the expansion tank also includes packing ring (68), described
Leather diaphragm (66), the second epithelium (67) are respectively arranged on the both sides of packing ring (68) and enclose the second cavity jointly with packing ring (68)
(62), the first lid shell (64) encloses located at the outside of leather diaphragm (66) and jointly the first cavity (61) therewith, described
Second lid shell (65) is located at the outside of the second epithelium (67) and encloses the 3rd cavity (63) jointly therewith.
2. expansion tank according to claim 1, it is characterised in that：The packing ring (68) has the barrel chamber axially extended
(681) the second opening (682) being connected with the barrel chamber (681), is provided with the periphery wall of the packing ring (68).
3. expansion tank according to claim 1 or 2, it is characterised in that：Formed with from closely on the first lid shell (64)
The first outwardly convex chamber (641) of edge, it is provided with what is be connected with the first convex chamber (641) on the first lid shell (64)
First opening (642).
4. expansion tank according to claim 1 or 2, it is characterised in that：Formed with from closely on the second lid shell (65)
The second outwardly convex chamber (651) of edge, it is provided with what is be connected with the second convex chamber (651) on the second lid shell (65)
3rd opening (652).
5. expansion tank according to claim 1 or 2, it is characterised in that：The leather diaphragm (66), the second epithelium (67)
Both sides be provided with convex tendon (607).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720925341.9U CN206959139U (en) | 2017-07-27 | 2017-07-27 | A kind of expansion tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720925341.9U CN206959139U (en) | 2017-07-27 | 2017-07-27 | A kind of expansion tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206959139U true CN206959139U (en) | 2018-02-02 |
Family
ID=61381638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720925341.9U Active CN206959139U (en) | 2017-07-27 | 2017-07-27 | A kind of expansion tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206959139U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111121132A (en) * | 2018-10-30 | 2020-05-08 | 宁波方太厨具有限公司 | Automatic inflation structure of expansion water tank and control method thereof |
| CN111174273A (en) * | 2020-01-17 | 2020-05-19 | 宁波方太厨具有限公司 | Expansion tank and dual-purpose furnace using same |
-
2017
- 2017-07-27 CN CN201720925341.9U patent/CN206959139U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111121132A (en) * | 2018-10-30 | 2020-05-08 | 宁波方太厨具有限公司 | Automatic inflation structure of expansion water tank and control method thereof |
| CN111121132B (en) * | 2018-10-30 | 2021-10-01 | 宁波方太厨具有限公司 | Automatic inflation structure of expansion water tank and control method thereof |
| CN111174273A (en) * | 2020-01-17 | 2020-05-19 | 宁波方太厨具有限公司 | Expansion tank and dual-purpose furnace using same |
| CN111174273B (en) * | 2020-01-17 | 2021-05-18 | 宁波方太厨具有限公司 | Expansion tank and dual-purpose furnace using same |
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