CN205975813U - Diaphragm expansion drum - Google Patents
Diaphragm expansion drum Download PDFInfo
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- CN205975813U CN205975813U CN201620979737.7U CN201620979737U CN205975813U CN 205975813 U CN205975813 U CN 205975813U CN 201620979737 U CN201620979737 U CN 201620979737U CN 205975813 U CN205975813 U CN 205975813U
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- tank body
- barrier film
- expansion drum
- water inlet
- water proof
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Abstract
The utility model provides a diaphragm expansion drum belongs to mechanical technical field. The easy corruption and the not good problem of gas tightness of the jar body that it had solved current diaphragm expansion drum. This diaphragm expansion drum, including a jar body, the inner chamber of jar body is equipped with the diaphragm of cutting apart into the inner chamber of the jar body two airtight cavitys, and the upper end of jar body has the inlet end that is linked together with tank body cavity, and the lower extreme of jar body has the water inlet, and water inlet department has linked firmly the inlet tube, has linked firmly on the inside wall of the lower extreme of jar body and has been equipped with one deck water proof cover, and the inlet tube passes water proof cover and be linked together with the cavity of the lower extreme of the jar body. This diaphragm expansion drum has jar advantage that the body is not perishable and the gas tightness is better.
Description
Technical field
This utility model belongs to field of mechanical technique, is related to a kind of expansion drum, particularly a kind of barrier film expansion drum.
Background technology
The barrier film expansion drum sold in the market is by tank body, blind flange, air valve body, gas valve core, gas valve core nut, leather bag
Composition.Leather bag is fixed in tank body by the combination of blind flange and bolt, and is filled with certain air pressure between tank body and leather bag
Compressed air, operationally, part inner tank wall is directly contacted barrier film expansion drum with water.Jar during life-time service, tank
Wall can produce corrosion, directly affects tank interior water quality.Connection air-tightness because corrosion can progressively expand, between tank body and leather bag
Also can accordingly reduce, compressed air can slowly leak, once air pressure is less than certain value in barrier film expansion drum, barrier film expands
Tank does not just have cushioning effect in water system.
Content of the invention
The purpose of this utility model be there are the problems referred to above for existing technology it is proposed that a kind of tank body not perishable and
Air-tightness preferable barrier film expansion drum.
The purpose of this utility model can be realized by following technical proposal：A kind of barrier film expansion drum, including tank body, described
The inner chamber of tank body be provided with the barrier film that the inner chamber of tank body is divided into two closed cavities, the upper end of described tank body have with described
The inlet end that is connected of tank inner chamber, the lower end of described tank body has water inlet, and described water inlet is fixed with into water
Pipe is provided with one layer of water proof set it is characterised in that being fixed with the described medial wall of the lower end of tank body, and described water inlet pipe passes through
Described water proof is covered and is connected with the cavity of the lower end of described tank body.
This barrier film expansion drum is connected with pipeline by water inlet pipe, and when starting mode of pump, the fluid media (medium) in pipeline flows into
In tank body, so that barrier film solvent is slowly expanded by producing pressure to barrier film, effectively eliminated water hammer effect, and made the one of barrier film
Air between side and tank body is squeezed, and there is a pressure value.When user stops using water, the side of this barrier film and tank body
Between air pressure reach maximum.(faucet on pipeline is opened) when user's water, because existing for this tank body
Pressure, the pressure in pipeline will not rapid drawdown it is ensured that the pressure of pipeline steadily reduces, reduce water system in pressure switch and water pump
Frequent starting.It is provided with one layer of water proof set due to being fixed with the medial wall of tank body, make that tank body is not perishable and air-tightness is preferable
Advantage.
In a kind of above-mentioned barrier film expansion drum, the inner of described water inlet pipe has the convex shoulder that the bending of past outside is formed,
The inner side of described water inlet pipe is arranged with support steel ring, sealing ring, water proof set and sealing gasket, and described convex shoulder extruding is propped up
Support steel ring makes to be formed sealing between sealing ring, water proof set, sealing gasket and the medial wall of tank body.Extruded by convex shoulder and support steel ring
Make sealing ring and sealing gasket form sealing, have and be connected firmly and the preferable advantage of sealing effectiveness.
In a kind of above-mentioned barrier film expansion drum, the inner of described water inlet pipe has the convex shoulder that the bending of past outside is formed,
The inner of described water inlet pipe is arranged with sealing gasket, and the side wall of described sealing gasket is resisted against the medial wall of described tank body
On, the edge of described water proof set is squeezed on the opposite side wall of sealing gasket described convex shoulder.Using above-mentioned setting, make into water
Produce preferable sealing effectiveness between pipe and water proof set, and there is the relatively simple reliable advantage of structure.
In a kind of above-mentioned barrier film expansion drum, the middle part of described support steel ring is provided with annular groove and described sealing
Circle is embedded in described annular groove.Sealing ring is embedded in the annular groove supporting steel ring, has the preferable positioning to sealing ring
Effect and make the preferable advantage of sealing effectiveness.
In a kind of above-mentioned barrier film expansion drum, it is fixedly connected with for welding between described water inlet pipe and described tank body.Enter
It is fixedly connected with for welding between water pipe and tank body, have and be connected firmly and the preferable advantage of sealing effectiveness.
In a kind of above-mentioned barrier film expansion drum, described water proof set is adopted made of plastic.Water proof set adopt made of plastic,
Have the advantages that not perishable and service life is longer.
In a kind of above-mentioned barrier film expansion drum, described tank body includes upper tank body and lower tank, described upper tank body
One end of one end and lower tank is opening, and described upper tank body is relative with described lower tank opening to be connect.Tank body adopts upper
Tank body is relative with lower tank opening to be connect, and has structure simply and manufactures conveniently advantage.
In a kind of above-mentioned barrier film expansion drum, the medial wall of described lower tank is provided with retainer ring, described retainer ring
The end of described water proof set is connected on described lower tank.By retainer ring, water proof set is connected on lower tank, tool
There is structure simple and locating effect and the preferable advantage of sealing effectiveness.
In a kind of above-mentioned barrier film expansion drum, the lateral wall of described retainer ring is equipped with detent, described under
The medial wall of tank body is equipped with positioning convex body, and the end that water proof covers is fixed in detent described positioning convex body.Positioning
The end that water proof covers is fixed in detent convex body, has locating effect preferably and manufactures conveniently advantage.
Compared with prior art, a kind of this barrier film expansion drum has advantages below：
1st, it is provided with one layer of water proof set due to being fixed with the medial wall of tank body, make that tank body is not perishable and air-tightness is preferable
Advantage；
2nd, being extruded by convex shoulder supports steel ring to make sealing ring and sealing gasket form sealing, has and is connected firmly and seals effect
Fruit preferably advantage；
3rd, sealing ring is embedded in the annular groove supporting steel ring, has to sealing ring preferable locating effect and so that sealing is imitated
Fruit preferably advantage.
Brief description
Fig. 1 is a kind of this cross-sectional schematic of barrier film expansion drum.
Fig. 2 is the A close-up schematic view of Fig. 1.
In figure, 1, tank body；1a, upper tank body；1b, lower tank；1b1, positioning convex body；2nd, barrier film；3rd, inlet end；4th, intake
Pipe；4a, convex shoulder；5th, water proof set；6th, support steel ring；6a, annular groove；7th, sealing ring；8th, sealing gasket；9th, retainer ring；9a, positioning
Groove.
Specific embodiment
The following is specific embodiment of the utility model and combine accompanying drawing, the technical solution of the utility model is made further
Description, but this utility model is not limited to these embodiments.
As illustrated in fig. 1 and 2, a kind of barrier film expansion drum, including tank body 1, tank body 1 includes upper tank body 1a and lower tank 1b, on
One end of one end of tank body 1a and lower tank 1b is opening, and upper tank body 1a is relative with described lower tank 1b opening to be connect, tool
There is structure simple and manufacture conveniently advantage.
The inner chamber of tank body 1 is provided with the barrier film 2 that the inner chamber of tank body 1 is divided into two closed cavities, the upper end of upper tank body 1a
There is the inlet end 3 with tank body 1 intracavity inter-connection, the lower end of lower tank 1b has water inlet, and water inlet is fixed with water inlet pipe
4, it is fixedly connected with for welding between water inlet pipe 4 and tank body 1.It is fixed with the medial wall of the lower end of lower tank 1b and be provided with one layer using moulding
Expect the water proof set 5 made.The medial wall of lower tank 1b is provided with retainer ring 9, and the lateral wall of retainer ring 9 is equipped with detent 9a,
The medial wall of lower tank 1b is equipped with positioning convex body 1b1, and the end of water proof set 5 is fixed on detent 9a by positioning convex body 1b1
Default, there is locating effect preferably and manufacture conveniently advantage.Water inlet pipe 4 pass through water proof set 5 and with the lower end of tank body 1
Cavity is connected.
The inner of water inlet pipe 4 has the convex shoulder 4a that the bending of past outside is formed, and the inner side of water inlet pipe 4 is arranged with supporting steel
Circle 6, sealing ring 7, water proof set 5 and sealing gasket 8, convex shoulder 4a extruding support steel ring 6 make sealing ring 7, water proof set 5, sealing gasket 8 with
And form sealing between the medial wall of tank body 1, have and be connected firmly and the preferable advantage of sealing effectiveness.Support the middle part of steel ring 6
It is provided with annular groove 6a and sealing ring 7 is embedded in annular groove 6a, there is to sealing ring 7 preferable locating effect and so that sealing is imitated
Fruit preferably advantage.
Alternatively, the inner of water inlet pipe 4 has the convex shoulder 4a that the bending of past outside is formed, the inner of water inlet pipe 4
It is arranged with sealing gasket 8, the side wall of sealing gasket 8 is resisted against on the medial wall of tank body 1, the edge of water proof set 5 is extruded by convex shoulder 4a
On the opposite side wall of sealing gasket 8.
This barrier film expansion drum is connected with pipeline by water inlet pipe 4, and when starting mode of pump, the fluid media (medium) in pipeline flows into
In tank body 1, so that barrier film 2 solvent is slowly expanded by producing pressure to barrier film 2, effectively eliminated water hammer effect, and made barrier film 2
Side and tank body 1 between air be squeezed, there is a pressure value.When user stops using water, the side of this barrier film 2
Air pressure and tank body 1 between reaches maximum.(faucet on pipeline is opened) when user's water, because of this tank body 1
Existing pressure, the pressure in pipeline will not rapid drawdown it is ensured that the pressure of pipeline steadily reduces, reduce water system in pressure open
Close the frequent starting with water pump.Be provided with one layer of water proof set 5 due to being fixed with the medial wall of tank body 1, make tank body 1 not perishable and
The preferable advantage of air-tightness.
Specific embodiment described herein is only explanation for example to this utility model spirit.This utility model institute
Belong to those skilled in the art described specific embodiment can be made with various modifications or supplement or using similar
Mode substitute, but without departing from of the present utility model spirit or surmount scope defined in appended claims.
Although more employing tank body 1, upper tank body 1a, lower tank 1b, positioning convex body 1b1, barrier film 2, inlet end herein
3rd, water inlet pipe 4, convex shoulder 4a, water proof set 5, support steel ring 6, annular groove 6a, sealing ring 7, sealing gasket 8, retainer ring 9, positioning are recessed
The terms such as groove 9a, but it is not precluded from the probability using other terms.It is used for the purpose of more easily describing using these terms
With explanation essence of the present utility model；Being construed as any additional restriction is all to disagree with this utility model spirit
The back of the body.
Claims (9)
1. a kind of barrier film expansion drum, including tank body (1), the inner chamber of described tank body (1) is provided with and is divided into the inner chamber of tank body (1)
The barrier film (2) of two closed cavities, the upper end of described tank body (1) has the inlet end with described tank body (1) intracavity inter-connection
(3), the lower end of described tank body (1) has water inlet, and described water inlet is fixed with water inlet pipe (4) it is characterised in that institute
It is fixed with the medial wall of lower end of tank body (1) stated and is provided with one layer of water proof set (5), described water inlet pipe (4) passes through described
Water proof set (5) and the cavity with the lower end of described tank body (1) is connected.
2. a kind of barrier film expansion drum according to claim 1 is it is characterised in that the inner of described water inlet pipe (4) has
The convex shoulder (4a) being formed toward outside bending, the inner side of described water inlet pipe (4) is arranged with support steel ring (6), sealing ring
(7), water proof set (5) and sealing gasket (8), described convex shoulder (4a) extruding supports steel ring (6) to make sealing ring (7), water proof set
(5), form sealing between the medial wall of sealing gasket (8) and tank body (1).
3. a kind of barrier film expansion drum according to claim 1 is it is characterised in that the inner of described water inlet pipe (4) has
The convex shoulder (4a) being formed toward outside bending, the inner of described water inlet pipe (4) is arranged with sealing gasket (8), described sealing gasket (8)
Side wall be resisted against on the described medial wall of tank body (1), the edge of described water proof set (5) is squeezed by described convex shoulder (4a)
It is pressed on the opposite side wall of sealing gasket (8).
4. a kind of barrier film expansion drum according to claim 2 is it is characterised in that the middle part of described support steel ring (6) sets
There is annular groove (6a) and described sealing ring (7) is embedded in described annular groove (6a).
5. a kind of barrier film expansion drum according to claim 1 or 2 or 3 or 4 it is characterised in that described water inlet pipe (4) with
It is fixedly connected with for welding between described tank body (1).
6. a kind of barrier film expansion drum according to claim 1 or 2 or 3 or 4 is it is characterised in that described water proof set (5) is adopted
Made of plastic.
7. a kind of barrier film expansion drum according to claim 1 or 2 or 3 or 4 is it is characterised in that described tank body (1) includes
Upper tank body (1a) and lower tank (1b), one end of described one end of upper tank body (1a) and lower tank (1b) is opening, institute
The upper tank body (1a) stated is relative with described lower tank (1b) opening to be connect.
8. a kind of barrier film expansion drum according to claim 7 is it is characterised in that the medial wall of described lower tank (1b) sets
There is retainer ring (9), the end of described water proof set (5) is connected on described lower tank (1b) described retainer ring (9)
9. a kind of barrier film expansion drum according to claim 8 is it is characterised in that the lateral wall ring of described retainer ring (9)
It is provided with detent (9a), the medial wall of described lower tank (1b) is equipped with positioning convex body (1b1), described positioning convex body
(1b1) end of water proof set (5) is fixed in detent (9a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620979737.7U CN205975813U (en) | 2016-08-29 | 2016-08-29 | Diaphragm expansion drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620979737.7U CN205975813U (en) | 2016-08-29 | 2016-08-29 | Diaphragm expansion drum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205975813U true CN205975813U (en) | 2017-02-22 |
Family
ID=58041024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620979737.7U Active CN205975813U (en) | 2016-08-29 | 2016-08-29 | Diaphragm expansion drum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205975813U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021000482A1 (en) * | 2019-07-04 | 2021-01-07 | 青岛海尔智能技术研发有限公司 | Pressure buffering device and heat pump system |
-
2016
- 2016-08-29 CN CN201620979737.7U patent/CN205975813U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021000482A1 (en) * | 2019-07-04 | 2021-01-07 | 青岛海尔智能技术研发有限公司 | Pressure buffering device and heat pump system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |