CN220352957U - Expansion tank - Google Patents
Expansion tank Download PDFInfo
- Publication number
- CN220352957U CN220352957U CN202321568059.1U CN202321568059U CN220352957U CN 220352957 U CN220352957 U CN 220352957U CN 202321568059 U CN202321568059 U CN 202321568059U CN 220352957 U CN220352957 U CN 220352957U
- Authority
- CN
- China
- Prior art keywords
- air bag
- wall
- flange
- shaped
- expansion tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 239000002775 capsule Substances 0.000 claims description 12
- 230000001050 lubricating effect Effects 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- 230000005489 elastic deformation Effects 0.000 abstract description 2
- 238000005336 cracking Methods 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- 239000004636 vulcanized rubber Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical group O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 2
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Landscapes
- Pipe Accessories (AREA)
Abstract
The utility model provides an expansion tank, which comprises a tank body, wherein an inflation inlet is formed in the top of the tank body, a flange is formed in the bottom of the tank body, an air bag is arranged in the tank body, a flange is arranged on the flange, a water inlet and outlet are formed in the flange, an opening of the air bag is clamped between the flange and the flange, the water inlet and outlet are communicated with an inner cavity of the air bag, the air bag is arranged concentrically with the tank body in a strip shape, and one end of the air bag far away from the opening is sealed, and the cross section of the wall of the air bag is in a star shape in an uninflated state. The utility model has the advantages of preventing the air bag from collapsing to block the water outlet when draining water, improving the emptying rate and reducing the elastic deformation of the air bag when the air bag is full of water.
Description
Technical Field
The utility model relates to the field of water supply equipment, in particular to an expansion tank.
Background
The expansion tank is used for stabilizing water pressure in the waterway system, when water with pressure outside enters the air bag of the expansion tank, the air bag expands, pre-filled gas sealed in the tank is compressed, the volume of the gas is reduced and the pressure is increased after the gas is compressed according to the Boyle gas law, the water inlet is stopped until the gas pressure in the expansion tank is consistent with the pressure of the water, when the water flow pressure loss is reduced, the gas pressure in the expansion tank is larger than the pressure of the water, and at the moment, the water in the air bag is extruded and supplemented to the system by the gas expansion;
the expansion tank is divided into an air bag type expansion tank and a diaphragm type expansion tank, the diaphragm type expansion tank completely realizes air-water separation, water is arranged on one side of a rubber diaphragm, and pre-filled air is arranged on the other side of the rubber diaphragm; the air bag type expansion tank is filled with air in the rubber bag in advance through the gaps between the outside and the tank body, so that the air bag of the air bag type expansion tank is always extruded into an irregular state by compressed air after the water is discharged, the inner wall of the air bag is easily contacted with the water outlet to block the water outlet to generate local water blocking, the air bag is also locally hidden, when the air bag is filled with water, the air bag is inflated along with the water, and stress concentration and tearing are easily generated under long-term use.
Disclosure of Invention
Based on the above problems, the present utility model aims to provide an expansion tank which can effectively prevent an air bag from collapsing to block a water outlet when draining water, and can improve the emptying rate, and has small elastic deformation when the air bag is filled with water.
Aiming at the problems, the following technical scheme is provided: the utility model provides an expansion tank, includes the jar body, jar body top is equipped with the inflation inlet, jar body bottom is equipped with the flange mouth, be equipped with the gasbag in the jar body, the ring flange is installed to the flange mouth, the ring flange is equipped with into the outlet, the opening of gasbag presss from both sides between flange mouth and ring flange and makes into outlet and gasbag inner chamber and switch on, the gasbag is strip and jar body concentric setting, the gasbag is kept away from open-ended one end and is sealed and its bag wall transversal personally submits the star under the non-inflatable state.
In the structure, the air bag is vulcanized by vulcanized rubber, the whole cross section of the air bag is in a star-shaped state in the uninflated state, and the star-shaped bag wall is unfolded when water is filled, so that the elastic stretching of the air bag wall is reduced as much as possible after water is filled, the possibility of cracking is reduced, the whole air bag is shaped in the vulcanization state, the star-shaped state can be restored when the water is drained, the whole air bag in the star-shaped state is strong in support and is not easy to collapse, a channel penetrating through the length direction of the air bag is formed in the center of the air bag, the emptying rate is improved, and the situation that a water inlet and a water outlet are blocked due to collapse is avoided.
The utility model further provides that the star-shaped cross section of the air bag is spirally twisted from the opening to the other end.
In the structure, the spirally twisted air bag can generate larger outer wall area, so that the elastic stretching amount of the air bag wall in the water filled state can be smaller than that of the air bag in the non-circulation state.
The utility model is further arranged that the water storage capacity of the inner cavity of the air bag is 2/3 of the set capacity when the star-shaped section of the air bag is inflated and unfolded into a round shape.
In the structure, the airbag is unfolded from the airbag wall to be unfolded when the airbag is filled with 2/3 of the water storage capacity, so that the deformation and stretching amount of the airbag is effectively reduced, and the service life of the airbag is ensured.
The utility model is further arranged that the cross section of the star-shaped bag wall of the air bag is formed by a plurality of unfolding walls which are uniformly distributed along the central axis of the air bag, the cross section of the unfolding walls is V-shaped, two sides of the V-shaped opening end of each unfolding wall are respectively connected with the opening ends of the other two unfolding walls, and the bottoms of the opening ends of the unfolding walls face the central axis of the air bag.
In the above structure, the number of the development walls is preferably 6.
The utility model is further arranged that the adjacent unfolding walls are transited through the outer circular arc capsule wall, and the bottoms of the opening ends of the unfolding walls are transited through the inner circular arc capsule wall.
In the structure, the thicknesses of the outer arc capsule wall and the inner arc capsule wall are larger than the wall thickness of the V-shaped two side walls of the unfolding wall, so that the strength is ensured.
The utility model is further arranged that the height of the air bag in the tank body in the non-water-filled state is 2/3 of the total height of the inner cavity of the tank body.
In the structure, the outer diameter of the air bag is increased after the air bag is filled with water, and the spirally twisted bag body is reversely twisted, so that the whole height of the air bag is increased.
The utility model is further characterized in that the inner wall of the tank body and the outer wall of the air bag are coated with lubricating medium.
In the structure, the lubricating medium is talcum powder or silicone grease or molybdenum disulfide, so that friction between the capsule wall and the inner wall of the tank body during water filling is reduced.
The utility model is further arranged that the inner diameter of the flange opening is larger than the cross section size of the air bag in a torsion state after the air bag is vacuumized.
In the structure, the whole tank body can be welded firstly during production, then the air bag is plugged into the tank body from the flange opening, the air bag with the star-shaped section is matched with the spiral trend of the air bag, the cross section of the air bag can be greatly reduced by auxiliary torsion after the inner cavity of the air bag is vacuumized during plugging the air bag, the size of the flange opening can be reduced, and the air bag is conveniently plugged.
The utility model has the beneficial effects that: the air bag is formed by vulcanizing vulcanized rubber, the whole cross section of the air bag is in a star-shaped state in the non-inflated state, and the star-shaped air bag wall is unfolded in the water filling process, so that the elastic stretching of the air bag wall is reduced as much as possible after water filling, the possibility of cracking is reduced, the whole air bag is shaped in the vulcanized state, the self star-shaped state can be restored when the air bag is drained, the whole air bag in the star-shaped state is strong in support and is not easy to collapse, a channel penetrating through the length direction of the air bag is formed in the center of the air bag, the emptying rate is improved, and the situation that a water inlet and a water outlet are blocked due to collapse is avoided.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic diagram of a full-section perspective structure of the tank body of the utility model.
Fig. 3 is a schematic view of the airbag of the present utility model in a fully cut-away perspective.
The meaning of the reference numerals in the figures: 10-a tank body; 11-an inflation inlet; 12-flange ports; 13-an air bag; 131-opening; 132-expanding the wall; 1321-outer circular arc capsule wall; 1322-inner circular arc capsule wall; 14-a flange plate; 141-water inlet and outlet.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 3, an expansion tank as shown in fig. 1 to 3 comprises a tank body 10, an inflation inlet 11 is formed in the top of the tank body 10, a flange 12 is formed in the bottom of the tank body 10, an air bag 13 is arranged in the tank body 10, a flange 14 is mounted on the flange 12, a water inlet and outlet 141 is formed in the flange 14, an opening 131 of the air bag 13 is clamped between the flange 12 and the flange 14, the water inlet and outlet 141 is communicated with an inner cavity of the air bag 13, the air bag 13 is arranged concentrically with the tank body 10 in a strip shape, and one end, far from the opening 131, of the air bag 13 is sealed, and the cross section of the wall of the air bag is star-shaped in an uninflated state.
In the above structure, the air bag 13 is vulcanized by vulcanized rubber, the whole cross section of the air bag 13 is in a star-shaped state in the uninflated state, and the star-shaped bag wall is unfolded when water is filled, so that the elastic stretching of the wall of the air bag 13 is reduced as much as possible after water is filled, the possibility of cracking is reduced, the whole air bag 13 is shaped in the vulcanized state, so that the self star-shaped state can be restored when water is discharged, the whole air bag 13 in the star-shaped state is strong in whole support and is not easy to collapse, a channel penetrating through the length direction of the air bag 13 is formed in the center of the air bag, the emptying rate is improved, and the situation that the water inlet and the water outlet 141 are blocked due to collapse is avoided.
In this embodiment, the star-shaped cross section of the air bag 13 is spirally twisted from the opening 131 toward the other end.
In the above structure, the spirally twisted air bag 13 can generate a larger outer wall area, so that the elastic stretching amount of the wall of the air bag 13 in the water filled state can be smaller than that of the air bag 13 in the non-circulation state.
In this embodiment, the star-shaped cross section of the air bag 13 has a water storage capacity of 2/3 of the set capacity of the inner cavity of the air bag 13 when inflated and deployed into a circular shape.
In the structure, the airbag 13 is unfolded from the airbag wall to be unfolded when being filled with 2/3 of the water storage capacity, so that the deformation and stretching amount of the airbag 13 is effectively reduced, and the service life of the airbag is ensured.
In this embodiment, the cross section of the star-shaped bladder wall of the air bag 13 is formed by a plurality of deployment walls 132 uniformly distributed along the central axis of the air bag 13, the cross section of the deployment walls 132 is V-shaped, two sides of the V-shaped opening 131 end of each deployment wall 132 are respectively connected with the opening 131 ends of the other two deployment walls 132, and the bottom of the opening 131 end of each deployment wall 132 faces the central axis of the air bag 13.
In the above structure, the number of the development walls 132 is preferably 6.
In this embodiment, adjacent deployment walls 132 are transited by outer circular arc capsule wall 1321, and the bottoms of the open ends 131 of the deployment walls 132 are transited by inner circular arc capsule wall 1322.
In the above structure, the thickness of the outer arc balloon wall 1321 and the inner arc balloon wall 1322 is larger than the thickness of the V-shaped two side walls of the deployment wall 132, so that the strength is ensured.
In this embodiment, the height of the air bag 13 in the tank 10 in the non-water-filled state is 2/3 of the total height of the inner cavity of the tank 10.
In the above structure, the balloon 13 is increased in its outer diameter after being filled with water, and the balloon body which is spirally twisted is reversely twisted, so that the entire height of the balloon 13 is increased.
In this embodiment, the inner wall of the tank 10 and the outer wall of the air bag 13 are coated with a lubricating medium.
In the structure, the lubricating medium is talcum powder, silicone grease or molybdenum disulfide, so that friction between the capsule wall and the inner wall of the tank body 10 during water filling is reduced.
In this embodiment, the inner diameter of the flange 12 is larger than the cross-sectional dimension of the balloon 13 in the twisted state after the balloon is vacuumized.
In the above structure, the tank body 10 is welded to form a whole during production, then the air bag 13 is plugged into the tank body 10 from the flange opening 12, the air bag 13 with the star-shaped cross section is matched with the spiral trend of the air bag 13, the cross section of the air bag 13 can be greatly reduced by auxiliary torsion after the inner cavity of the air bag 13 is vacuumized during plugging the air bag 13, the size of the flange opening 12 can be reduced, and the air bag 13 is conveniently plugged.
The utility model has the beneficial effects that: the air bag 13 is formed by vulcanizing vulcanized rubber, the whole cross section of the air bag 13 is in a star-shaped state in the uninflated state, and the star-shaped bag wall is unfolded when water is filled, so that the elastic stretching of the wall of the air bag 13 is reduced as much as possible after water is filled, the possibility of cracking is reduced, the whole air bag is shaped in the vulcanization state, so that the self star-shaped state can be restored when water is discharged, the whole air bag 13 in the star-shaped state is strong in whole support and is not easy to collapse, a channel penetrating through the length direction of the air bag 13 is formed in the center of the air bag, the emptying rate is improved, and the situation that the water inlet and outlet 141 are blocked due to collapse is avoided.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (8)
1. The utility model provides an expansion tank, includes the jar body, jar body top is equipped with the inflation inlet, jar body bottom is equipped with the flange mouth, be equipped with the gasbag in the jar body, the ring flange is installed to the flange mouth, the ring flange is equipped with into the outlet, the opening clamp of gasbag is in between flange mouth and ring flange and makes into outlet and gasbag inner chamber switch on, its characterized in that: the air bag is arranged concentrically with the tank body in a strip shape, one end of the air bag far away from the opening is sealed, and the cross section of the air bag wall is star-shaped in an uninflated state.
2. An expansion tank according to claim 1, wherein: the star-shaped section of the air bag is spirally twisted from the opening to the other end.
3. An expansion tank according to claim 1, wherein: when the star-shaped section of the air bag is inflated and unfolded into a round shape, the water storage capacity of the inner cavity of the air bag is 2/3 of the set capacity.
4. An expansion tank according to claim 1, wherein: the cross section of the star-shaped bag wall of the air bag is formed by a plurality of unfolding walls uniformly distributed along the central axis of the air bag, the cross section of the unfolding walls is V-shaped, two sides of the V-shaped opening end of each unfolding wall are respectively connected with the opening ends of the other two unfolding walls, and the bottoms of the opening ends of the unfolding walls face the central axis of the air bag.
5. An expansion tank according to claim 4, wherein: the adjacent unfolding walls are transited through the outer arc capsule wall, and the bottoms of the opening ends of the unfolding walls are transited through the inner arc capsule wall.
6. An expansion tank according to claim 1, wherein: the height of the air bag in the tank body in the non-water filling state is 2/3 of the total height of the inner cavity of the tank body.
7. An expansion tank according to claim 1, wherein: the inner wall of the tank body and the outer wall of the air bag are coated with lubricating medium.
8. An expansion tank according to claim 1, wherein: the inner diameter of the flange opening is larger than the cross section size of the airbag in a torsion state after the airbag is vacuumized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321568059.1U CN220352957U (en) | 2023-06-19 | 2023-06-19 | Expansion tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321568059.1U CN220352957U (en) | 2023-06-19 | 2023-06-19 | Expansion tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220352957U true CN220352957U (en) | 2024-01-16 |
Family
ID=89484608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321568059.1U Active CN220352957U (en) | 2023-06-19 | 2023-06-19 | Expansion tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220352957U (en) |
-
2023
- 2023-06-19 CN CN202321568059.1U patent/CN220352957U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114321712B (en) | Pressure vessel rubber seal and seal structure thereof | |
| CN220352957U (en) | Expansion tank | |
| CN112555329B (en) | Shock absorber spring with pressure-resistant structure and processing technology thereof | |
| CN107061784A (en) | Pneumatic filling valve | |
| CN211716033U (en) | Pipeline plugging device | |
| CN217271854U (en) | Expansion tank | |
| CN216168743U (en) | Air bag inflation and deflation squeezing hoop training device | |
| CN213930395U (en) | Nitrogen charging system | |
| CN210122183U (en) | Life buoy capable of being inflated quickly | |
| CN111677475B (en) | Packer for oil and gas exploitation | |
| CN206626198U (en) | Pneumatic filling valve | |
| CN209032732U (en) | Adjustable-pressure pessary | |
| CN111237578A (en) | Finger-press type inflatable plug | |
| CN107934203B (en) | Air drop tank | |
| CN220256302U (en) | Electric soda water machine with multiple safety protection | |
| CN221451459U (en) | Balloon capable of being inflated and expanded | |
| CN220039271U (en) | Water inflow prevention device for open-air drilling explosion orifice | |
| CN217575551U (en) | Inflatable yacht with changeable inner space | |
| CN117189989A (en) | Safety airbag and pipeline plugging device | |
| CN217422611U (en) | Pipeline air bag with water seal plug | |
| CN215483389U (en) | Shunting device with flexible closure member | |
| CN217653316U (en) | Air bag type sealing device and inflation valve with same | |
| JPH0217201Y2 (en) | ||
| CN215805937U (en) | Gas spring capable of being inflated and deflated | |
| CN212806703U (en) | Finned tube sealing device and assembly thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |