CN202598010U - Water hammer prevention device and water hammer prevention unit - Google Patents
Water hammer prevention device and water hammer prevention unit Download PDFInfo
- Publication number
- CN202598010U CN202598010U CN 201220220223 CN201220220223U CN202598010U CN 202598010 U CN202598010 U CN 202598010U CN 201220220223 CN201220220223 CN 201220220223 CN 201220220223 U CN201220220223 U CN 201220220223U CN 202598010 U CN202598010 U CN 202598010U
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- water
- water hammer
- shell
- hole
- connecting flange
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Abstract
The utility model relates to the field of mechanical manufacture, and discloses a water hammer prevention device and a water hammer prevention unit. The water hammer prevention device comprises a shell, a slow closure check valve, a first connecting flange and a second connecting flange, wherein the shell is provided with a first through hole and a second through hole; a diaphragm inner container is arranged in the shell; the slow closure check valve is connected with the shell through the second through hole; one end of the first connecting flange is connected with the shell through the first through hole, and the other end of the first connecting flange is connected with a first water pipe; and one end of the second connecting flange is connected with the slow closure check valve, and the other end of the second connecting flange is connected with a second water pipe. When a water pump stops suddenly, and water is insufficient, the water stored in the diaphragm inner container in the shell is buffered to avoid a vacuum phenomenon, so that impact on the water pipes is reduced when the water reflows, and collapsing water hammer is prevented; by the slow closure check valve, the water which flows out cannot reflow, so that reflowing impact is avoided, and oscillating water hammer is prevented; and moreover, the device is only required to be connected with the water pipes through the connecting flanges without damage to the conventional structures of the water pipes, and can be arranged simply and conveniently.
Description
Technical field
The utility model relates to mechanical manufacturing field, particularly relates to a kind of anti-water hammer device and a kind of anti-water hammer group.
Background technique
When extracting moisture, often need use water pump, because situation such as power failures suddenly, water pump cuts out suddenly sometimes, makes the waterline of the forward and backward segment length's distance of water pump produce corresponding pressure surge.Generally, the characteristics of water pump leading portion pressure surge are: because the water yield is increased sharply earlier, reduce again, make pressure raise in advance, descend then, and carry out pressure oscillation repeatedly, produce the impact to water pipe; The pressure surge characteristics of water pump rear end are: because the anticlimax of the water yield, pressure descends in advance, raises and then decline again, and carries out pressure oscillation repeatedly, produces the impact to water pipe.Special, when water pump cut out suddenly, the water of water pump rear end was owing to effect of inertia can continue to flow forward, so one section vacuum can temporarily appear in the water pump rear end.Because the vacuum that occurs causes water and refluxes, and causes great bump, thereby causes pipeline destroyed.Wherein, the pipeline of water pipe is long more, and pressure surge is also strong with regard to Shaoxing opera, and fluctuation time remaining also just long more makes and caused the impact to pipeline by flow instability, when impacting when serious, even the booster phenomenon occurs, and this phenomenon is called as water hammer.
In the prior art, in order to prevent water hammer, a kind of anti-water hammer device is arranged; Referring to structural representation shown in Figure 1; Existing anti-water hammer device comprises shell 1, is provided with barrier film inner bag 11 in the said shell, and contains the inlet and outlet pipe lines 2 that is connected with said barrier film inner bag.In use, hole is set on conduit pipeline, and, said anti-water hammer device and conduit pipeline is together in parallel through this hole through said inlet and outlet pipe lines 2.When water hammer took place, the water yield of surge can be passed through said inlet and outlet pipe lines 2, flowed among the barrier film inner bag 11.When the water yield reduced, the moisture in the barrier film inner bag 11 can flow back in the said conduit pipeline through said inlet and outlet pipe lines 2, alleviated vacuum phenomenon, to reduce the impact to pipeline.
But the inventor finds in the application's research process, and anti-water hammer device of the prior art when mounted, need be provided with hole on conduit pipeline, again that it is parallelly connected with said conduit pipeline, and is big to the original structural damage of conduit pipeline, and installation process is complicated.
The model utility content
In view of this, the purpose of the utility model is to provide a kind of anti-water hammer device, solving in the existing technology when anti-water hammer is installed, existing the conduit pipeline original structure is destroyed big, the installation process complicated problems, specific embodiments is following:
A kind of anti-water hammer device comprises:
Be provided with first through hole and second through hole, and set inside there is the shell of barrier film inner bag;
Through said second through hole, the buffer valve that is connected with said shell;
One end is connected with said shell through said first through hole, first adpting flange that the other end is connected with first conduit pipeline, and an end is connected with said buffer valve, second adpting flange that the other end is connected with second conduit pipeline.
Preferably, said barrier film inner bag is the diaphragm of rubber inner bag.
Preferably, said shell is a metal shell.
Accordingly, the invention also discloses a kind of anti-water hammer group, comprising:
A plurality of anti-water hammer devices of series connection successively.
When water pump is shut down suddenly, owing to the inertia flow of current when causing water shortage, the water of storing in the barrier film inner bag of said enclosure plays the effect of buffering, thereby vacuum phenomenon can not occur.Because vacuum does not exist, when water refluxed so, the bump that water pipe is caused will reduce, and plays the effect that prevents to make up water hammer.And, because the existence of said buffer valve makes the water that has flowed out can not flow back to again, prevented the bump that refluxes, played the effect that prevents to shake water hammer.And this device only need be connected with conduit pipeline through adpting flange and get final product, and need not destroy the original structure of conduit pipeline, and simple installation.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the disclosed a kind of anti-water hammer device of existing technology;
Fig. 2 is the structural representation of the disclosed a kind of anti-water hammer device of the utility model embodiment;
Fig. 3 is the mounting structure schematic representation of the disclosed a kind of anti-water hammer group of the utility model embodiment.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technological scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model provides a kind of anti-water hammer device; Solving in the existing technology when anti-water hammer is installed, existing the conduit pipeline original structure is destroyed big, the installation process complicated problems; Referring to the disclosed structural representation of Fig. 2; Wherein the direction of arrow is the direction of flow, and the disclosed anti-water hammer device of this programme specifically comprises: shell 3, buffer valve 4 and adpting flange, wherein
Said shell 3 is provided with first through hole and second through hole, and set inside has barrier film inner bag 31, generally speaking; Said shell 3 is made of metal, and the barrier film inner bag 31 of set inside selects for use the stronger rubber of elasticity to process, certainly; Can select other materials for use, this programme is not done qualification yet.
Said buffer valve 4 is connected with said shell 3 through said second through hole, is used to prevent that medium from flowing backwards.
Said adpting flange comprises first adpting flange 51 and second adpting flange 52, and wherein said first adpting flange, 51 1 ends are connected with said shell 3 through said first through hole, and the other end is connected with first conduit pipeline; Said second adpting flange, 52 1 ends are connected with said buffer valve 4, and the other end is connected with second conduit pipeline.
When practical application, when water pump was shut down suddenly, discharge of pump can fall sharply, and the water of water pump rear end can continue to flow owing to effect of inertia, so one section vacuum can temporarily appear in the water pump rear end.Because the vacuum that occurs, the water that causes two ends refluxes, and causes bump, forms high pressure, thereby causes pipeline destroyed.
When using this device, when water pump was installed in said anti-water hammer front end, said buffer valve 4 was installed in the side away from said water pump.Said anti-water hammer device is connected with first conduit pipeline through first adpting flange, through second adpting flange, is connected with second conduit pipeline.When water pump is shut down suddenly, owing to the inertia flow of current when causing water shortage, the water of storage plays the effect of buffering in the inner barrier film inner bag 31 of said shell 3, thereby vacuum phenomenon can not occur.Because vacuum does not exist, when water refluxed so, the bump that water pipe is caused will reduce, and therefore, has played the effect that prevents to make up water hammer.And, because the existence of said buffer valve 4 makes the water that has flowed out just can not flow back to again, prevented the bump that refluxes, played the effect that prevents to shake water hammer.And this device only need be connected with conduit pipeline through adpting flange and get final product, and need not destroy the original structure of conduit pipeline, and simple installation.
In addition, said anti-water hammer device also can be installed in the water pump front end, at this moment; Said buffer valve 4 also is installed in the side away from said water pump, simultaneously, because buffer valve only allows medium to flow to a direction; And stop the opposite direction of medium to flow; Therefore, when said anti-water hammer device was installed in the water pump front end, the installation direction of the installation direction of said buffer valve 4 when being installed in the water pump rear end was opposite.When water pump was shut down suddenly, the flow that goes of water pump front end can reduce, but under action of inertia, the still preceding stream of water, thereby the flow surplus can appear, superfluous flow extruding, thus high pressure produced, water pipe is caused bump.After the disclosed anti-water hammer device of the application was installed, the superfluous water branch of accumulation flowed in the diaphragm of rubber inner bag 31, because the elasticity of rubber is stronger; When the water yield more for a long time; Can produce suitable expansion, storage is than juicy, thereby said diaphragm of rubber inner bag 31 can play the effect of buffer memory; Minimizing prevents to make up water hammer to the bump of water pipe.In addition, under the effect of said buffer valve 4, just can't return through the moisture behind this anti-water hammer, thereby reduce vibration hydraulic pressure, play the effect that prevents to shake water hammer.
Accordingly; The invention also discloses a kind of anti-water hammer group; Referring to mounting structure schematic representation shown in Figure 3; Should anti-water hammer group be made up of a plurality of anti-water hammer devices of series connection successively, the structure of said anti-water hammer device comprises the shell 3, buffer valve 4, first adpting flange 51 and second adpting flange 52 that contain barrier film inner bag 31 as stated.A plurality of anti-water hammer devices owing to connected, said anti-water hammer group can store more moisture simultaneously, and said anti-water hammer group also has enough regulating powers to the equipment of big flow.
To the above-mentioned explanation of the disclosed embodiments, make related domain professional and technical personnel can realize or use the utility model.Multiple modification to these embodiments will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiments shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (4)
1. an anti-water hammer device is characterized in that, comprising:
Be provided with first through hole and second through hole, and set inside there is the shell of barrier film inner bag;
Through said second through hole, the buffer valve that is connected with said shell;
One end is connected with said shell through said first through hole, first adpting flange that the other end is connected with first conduit pipeline, and an end is connected with said buffer valve, second adpting flange that the other end is connected with second conduit pipeline.
2. device according to claim 1 is characterized in that,
Said barrier film inner bag is the diaphragm of rubber inner bag.
3. device according to claim 1 is characterized in that,
Said shell is a metal shell.
4. an anti-water hammer group is characterized in that, comprising:
A plurality of series connection successively like each described anti-water hammer device of claim 1 to claim 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220220223 CN202598010U (en) | 2012-05-15 | 2012-05-15 | Water hammer prevention device and water hammer prevention unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220220223 CN202598010U (en) | 2012-05-15 | 2012-05-15 | Water hammer prevention device and water hammer prevention unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202598010U true CN202598010U (en) | 2012-12-12 |
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ID=47315549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220220223 Expired - Fee Related CN202598010U (en) | 2012-05-15 | 2012-05-15 | Water hammer prevention device and water hammer prevention unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202598010U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132217A (en) * | 2014-07-23 | 2014-11-05 | 江苏永尚能源科技有限公司 | Pressure stabilizing device of household water purifier |
| CN107218470A (en) * | 2017-05-27 | 2017-09-29 | 河海大学 | For the novel airbag type protecting water hammer device in water supply line |
| CN111226070A (en) * | 2017-10-19 | 2020-06-02 | Khs有限责任公司 | Apparatus and method for aseptic pressure relief |
-
2012
- 2012-05-15 CN CN 201220220223 patent/CN202598010U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132217A (en) * | 2014-07-23 | 2014-11-05 | 江苏永尚能源科技有限公司 | Pressure stabilizing device of household water purifier |
| CN107218470A (en) * | 2017-05-27 | 2017-09-29 | 河海大学 | For the novel airbag type protecting water hammer device in water supply line |
| CN111226070A (en) * | 2017-10-19 | 2020-06-02 | Khs有限责任公司 | Apparatus and method for aseptic pressure relief |
| US11248731B2 (en) | 2017-10-19 | 2022-02-15 | Khs Gmbh | Device and method for aseptic pressure relief |
| CN111226070B (en) * | 2017-10-19 | 2022-03-22 | Khs有限责任公司 | Apparatus and method for aseptic pressure relief |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20170515 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |