CN215597753U - Natural gas hanging stove expansion tank - Google Patents
Natural gas hanging stove expansion tank Download PDFInfo
- Publication number
- CN215597753U CN215597753U CN202121246170.XU CN202121246170U CN215597753U CN 215597753 U CN215597753 U CN 215597753U CN 202121246170 U CN202121246170 U CN 202121246170U CN 215597753 U CN215597753 U CN 215597753U
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- CN
- China
- Prior art keywords
- water
- wall
- cavity
- partition plate
- air cavity
- 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
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 239000003345 natural gas Substances 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 97
- 238000005192 partition Methods 0.000 claims description 48
- 230000003746 surface roughness Effects 0.000 claims description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- 230000003139 buffering effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses an expansion water tank of a natural gas wall-mounted boiler, and belongs to the technical field of wall-mounted boiler accessories. Wherein, natural gas hanging stove expansion tank includes: water cavity shell, air cavity shell, baffle subassembly, water tank fixing base, the inside of water cavity shell is the water cavity, the inside of air cavity shell is the air cavity, the baffle subassembly separates water cavity and air cavity, baffle subassembly and water cavity between the leakproofness good, baffle subassembly and air cavity between the leakproofness good, be provided with the water inlet on the water cavity shell, be provided with the air cock on the air cavity shell. The diaphragm of the existing expansion water tank is replaced by the diaphragm assembly, so that the stability is enhanced on the premise of ensuring the function of the expansion water tank, and the diaphragm cannot be damaged even in an inflated state.
Description
Technical Field
The utility model belongs to the technical field of wall-mounted boiler accessories, and particularly relates to an expansion water tank of a natural gas wall-mounted boiler.
Background
The wall-mounted furnace expansion water tank is mainly used for buffering system pressure fluctuation and eliminating water hammer, plays a role in pressure stabilization and unloading, and when the water pressure in the system slightly changes, the automatic expansion or contraction of a membrane of the wall-mounted furnace expansion water tank can have a certain buffering effect on the change of the water pressure, so that the stability of the water pressure in the system can be ensured.
The expansion water tank of the existing wall-mounted furnace generally comprises a diaphragm and a shell, wherein the inside of the expansion water tank is divided into two parts, one part is a buffer cavity, the other part is an air cavity, the buffer cavity is separated from the air cavity by the diaphragm, stable air is filled in the air cavity, and the system pressure is adjusted through the contraction and expansion of the diaphragm, so that the stability of the system pressure is ensured. Although the expansion water tank of the wall-mounted furnace can ensure the stability of the water pressure in the system, the stability of the diaphragm is poor as the service life is prolonged; moreover, in the inflated state, the diaphragm is vulnerable.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model provides a natural gas hanging stove expansion tank to solve the above-mentioned problem that prior art exists.
The technical scheme is as follows: the utility model provides a natural gas hanging stove expansion tank, includes water cavity shell, air cavity shell, baffle subassembly, water tank fixing base, the inside of water cavity shell is the water cavity, the inside of air cavity shell is the air cavity, the baffle subassembly separates water cavity and air cavity, baffle subassembly and water cavity between the leakproofness good, the leakproofness between baffle subassembly and air cavity is good, be provided with the water inlet on the water cavity shell, be provided with the air cock on the air cavity shell.
In a further embodiment, the partition plate assembly comprises a partition plate, a plurality of matching holes are formed in the periphery of the partition plate at intervals, sliding rods are arranged in the matching holes, one ends of the sliding rods are fixed on the wall of the water cavity, the other ends of the sliding rods are fixed on the wall of the air cavity, the partition plate is in seamless sliding fit with the sliding rods, the partition plate is in seamless sliding fit with the wall of the water cavity, the partition plate is in seamless sliding fit with the wall of the air cavity, the partition plate can move on the sliding rods after being pressed, air tightness between the partition plate and the sliding rods is good, and stability of water pressure in the system can be guaranteed.
In a further embodiment, the surface roughness of the circular arc surface of the partition plate is less than Ra0.8, the surface roughness of the part of the water cavity wall matched with the circular arc surface of the partition plate is less than Ra0.8, the surface roughness of the part of the air cavity wall matched with the circular arc surface of the partition plate is less than Ra0.8, the surface roughness of the hole walls of the plurality of matching holes on the partition plate is less than Ra0.8, the surface roughness of the sliding rod is less than Ra0.8, the circular arc surface of the partition plate and the matched surface of the circular arc surface of the partition plate are smooth surfaces, the hole walls of the plurality of matching holes on the partition plate and the surface of the sliding rod are smooth surfaces, and the friction force between the sliding matching surfaces is reduced to the maximum extent.
In a further embodiment, the gas filled in the gas cavity is nitrogen, and the chemical property of the nitrogen is very inactive, so that the stability of the whole device can be ensured.
In a further embodiment, the water cavity wall is coated with an anti-rust layer, so that the water cavity wall can be prevented from being corroded due to long-term direct contact with water.
In a further embodiment, the water tank fixing seat is fixed on the water cavity shell or the air cavity shell, and when the expansion water tank works, the water tank fixing seat can be fixed in position, so that the shaking is reduced.
In a further embodiment, the water tank fixing seat comprises a shell connecting part, the shell connecting part is welded on the water cavity shell or the air cavity shell, fixing seat connecting parts are arranged at two ends of the shell connecting part, and connecting holes are formed in the fixing seat connecting parts, so that the water tank fixing seat is convenient to assemble and disassemble.
Has the advantages that:
the utility model provides a natural gas hanging stove expansion tank, with current expansion tank diaphragm replacement for the baffle subassembly, strengthened stability under the prerequisite of guaranteeing the expansion tank function, even under gas filled state, the baffle also can not damage.
Drawings
Fig. 1 is a schematic structural diagram of an expansion tank of a natural gas wall-mounted boiler according to the utility model.
Fig. 2 is a schematic view of the structure of fig. 1 from another view angle.
Fig. 3 is a schematic view of fig. 2 from another perspective.
Fig. 4 is a sectional view a-a of fig. 3.
Fig. 5 is a schematic view showing an installation position of the partition in fig. 4.
Fig. 6 is a sectional view B-B of fig. 3.
Fig. 7 is an enlarged view of the portion C of fig. 6.
The reference signs are: 1. a water chamber housing; 1.1, a water cavity; 1.2, a water inlet; 2. an air cavity housing; 2.1, an air cavity; 2.2, air tap; 3. a bulkhead assembly; 3.1, a partition plate; 3.2, matching holes; 3.3, a slide bar; 4. a water tank fixing seat; 4.1, a shell connecting part; 4.2, fixing seat connecting parts; 4.3, connecting holes.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the utility model.
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1-7, the expansion water tank for the natural gas wall-mounted boiler disclosed by the utility model comprises a water cavity shell 1, an air cavity shell 2, a partition plate assembly 3 and a water tank fixing seat 4, wherein the water cavity 1.1 is arranged inside the water cavity shell 1, the air cavity 2.1 is arranged inside the air cavity shell 2, the water cavity 1.1 is separated from the air cavity 2.1 by the partition plate assembly 3, the sealing performance between the partition plate assembly 3 and the water cavity 1.1 is good, the sealing performance between the partition plate assembly 3 and the air cavity 2.1 is good, a water inlet 1.2 is arranged on the water cavity shell 1, and an air faucet 2.2 is arranged on the air cavity shell 2;
the partition plate assembly 3 comprises a partition plate 3.1, a plurality of matching holes 3.2 are formed in the periphery of the partition plate 3.1 at intervals, sliding rods 3.3 are arranged in the matching holes 3.2, one end of each sliding rod 3.3 is fixed on the wall of a water cavity 1.1, the other end of each sliding rod 3.3 is fixed on the wall of an air cavity 2.1, the partition plate 3.1 is in seamless sliding fit with the sliding rods 3.3, the partition plate 3.1 is in seamless sliding fit with the wall of the water cavity 1.1, and the partition plate 3.1 is in seamless sliding fit with the wall of the air cavity 2.1;
the surface roughness of the arc surface of the partition plate 3.1 is less than Ra0.8, the surface roughness of the part, matched with the arc surface of the partition plate 3.1, of the wall of the water cavity 1.1 is less than Ra0.8, the surface roughness of the part, matched with the arc surface of the partition plate 3.1, of the wall of the air cavity 2.1 is less than Ra0.8, the surface roughness of the hole walls of a plurality of matching holes 3.2 in the partition plate 3.1 is less than Ra0.8, and the surface roughness of the sliding rod 3.3 is less than Ra0.8;
the gas filled in the gas cavity 2.1 is nitrogen;
the wall of the water cavity 1.1 is coated with an antirust layer, because the wall of the water cavity 1.1 of the expansion water tank is directly contacted with water;
the water tank fixing seat 4 is fixed on the water cavity shell 1 or the air cavity shell 2;
the water tank fixing seat 4 comprises a shell connecting part 4.1, the shell connecting part 4.1 is welded on the water cavity shell 1 or the air cavity shell 2, fixing seat connecting parts 4.2 are arranged at two ends of the shell connecting part 4.1, and a connecting hole 4.3 is formed in the fixing seat connecting part 4.2;
the implementation principle of the embodiment is as follows: the utility model relates to an expansion water tank of a natural gas wall-mounted boiler, wherein a water cavity shell 1 and an air cavity shell 2 form a closed cavity, and a partition plate assembly 3 separates the closed cavity formed by the water cavity shell 1 and the air cavity shell 2. The clapboard 3.1 of the clapboard component 3 slides on the sliding rod 3.3 after being stressed, so that the stability of the water pressure in the system is ensured. The method specifically comprises the following steps: when the water pressure in the system is stable, the air cavity 2.1 is filled with nitrogen, and the partition plate 3.1 deflects to one side of the water cavity 1.1; when the water pressure in the system is increased, water in the system enters the water cavity 1.1 from the water inlet 1.2, the partition plate 3.1 is pushed in the direction of the air cavity 2.1 by the pressure in the water cavity 1.1, the partition plate 3.1 is in sliding fit with the slide rod 3.3, the partition plate 3.1 is ensured not to be clamped on the slide rod 3.3, and meanwhile, the filling amount of nitrogen in the air cavity 2.1 is ensured to ensure that the partition plate 3.1 is not close to the connecting end of the slide rod 3.3 all the time; when the water pressure in the system is reduced, the partition plate 3.1 is subjected to the pressure of the nitrogen in the air cavity 2.1 and moves towards the water cavity 1.1 along the slide rod 3.3 until the water pressure in the system is stable.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.
Claims (7)
1. The utility model provides a natural gas hanging stove expansion tank, its characterized in that, includes water cavity shell (1), air cavity shell (2), baffle subassembly (3), water tank fixing base (4), the inside of water cavity shell (1) is water cavity (1.1), the inside of air cavity shell (2) is air cavity (2.1), baffle subassembly (3) separate water cavity (1.1) and air cavity (2.1), baffle subassembly (3) and water cavity (1.1) between the leakproofness good, the leakproofness between baffle subassembly (3) and air cavity (2.1) is good, be provided with water inlet (1.2) on water cavity shell (1), be provided with air cock (2.2) on air cavity shell (2).
2. The expansion water tank of the natural gas wall-hanging furnace according to claim 1, characterized in that the partition plate assembly (3) comprises a partition plate (3.1), a plurality of matching holes (3.2) are formed in the periphery of the partition plate (3.1) at intervals, sliding rods (3.3) are arranged in the matching holes (3.2), one ends of the sliding rods (3.3) are fixed on the wall of the water cavity (1.1), the other ends of the sliding rods (3.3) are fixed on the wall of the air cavity (2.1), the partition plate (3.1) is in seamless sliding fit with the sliding rods (3.3), the partition plate (3.1) is in seamless sliding fit with the wall of the water cavity (1.1), and the partition plate (3.1) is in seamless sliding fit with the wall of the air cavity (2.1).
3. The expansion tank of claim 2, wherein the surface roughness of the circular arc surface of the partition plate (3.1) is less than Ra0.8, the surface roughness of the part of the wall of the water cavity (1.1) matched with the circular arc surface of the partition plate (3.1) is less than Ra0.8, the surface roughness of the part of the wall of the air cavity (2.1) matched with the circular arc surface of the partition plate (3.1) is less than Ra0.8, the surface roughness of the wall of the plurality of matching holes (3.2) on the partition plate (3.1) is less than Ra0.8, and the surface roughness of the sliding rod (3.3) is less than Ra0.8.
4. The expansion tank of the natural gas wall-hanging stove as claimed in claim 1, characterized in that the gas filled in the gas chamber (2.1) is nitrogen.
5. The expansion tank of the natural gas wall-hanging stove is characterized in that the wall of the water cavity (1.1) is coated with a rust-proof layer.
6. The expansion tank of the natural gas wall-hanging stove as claimed in claim 1, characterized in that the tank holder (4) is fixed to the water cavity housing (1) or the air cavity housing (2).
7. The expansion tank of the natural gas wall-hanging stove as claimed in claim 1, characterized in that the tank fixing base (4) comprises a shell connecting portion (4.1), the shell connecting portion (4.1) is welded on the water cavity housing (1) or the air cavity housing (2), the fixing base connecting portion (4.2) is arranged at two ends of the shell connecting portion (4.1), and the fixing base connecting portion (4.2) is provided with a connecting hole (4.3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121246170.XU CN215597753U (en) | 2021-06-04 | 2021-06-04 | Natural gas hanging stove expansion tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121246170.XU CN215597753U (en) | 2021-06-04 | 2021-06-04 | Natural gas hanging stove expansion tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215597753U true CN215597753U (en) | 2022-01-21 |
Family
ID=79875074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121246170.XU Expired - Fee Related CN215597753U (en) | 2021-06-04 | 2021-06-04 | Natural gas hanging stove expansion tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215597753U (en) |
-
2021
- 2021-06-04 CN CN202121246170.XU patent/CN215597753U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220217 Address after: A5a03, No.8, exploratory Road, Huishan Economic Development Zone, Wuxi City, Jiangsu Province, 214000 Patentee after: Wuxi hongzhichuang Auto Parts Co.,Ltd. Address before: 214000 Luoshe supporting area (Zhenbei Village), Huishan Economic Development Zone, Wuxi City, Jiangsu Province Patentee before: Wuxi Lingqiao mechanical equipment manufacturing Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220121 |