CN204327470U - A kind of metering pump inlet pressure difference stabilizer - Google Patents
A kind of metering pump inlet pressure difference stabilizer Download PDFInfo
- Publication number
- CN204327470U CN204327470U CN201420700735.0U CN201420700735U CN204327470U CN 204327470 U CN204327470 U CN 204327470U CN 201420700735 U CN201420700735 U CN 201420700735U CN 204327470 U CN204327470 U CN 204327470U
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- valve
- metering pump
- stabilizer
- connecting tube
- liquid
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Abstract
The utility model relates to a kind of metering pump inlet pressure difference stabilizer.It is characterized in that described pressure reduction stabilizer is made up of shell, connecting tube and valve body, outer casing bottom is provided with liquid-inlet and liquid outlet, described connecting tube is set above liquid-inlet, connecting tube one end and the first pipeline connection, the connecting tube the other end connects valve body, liquid outlet and the second pipeline connection; Described valve body is made up of valve seat, spool, valve gap, rocking handle, pin, rocking bar and ball float, valve gap is arranged on above valve seat, spool upper end is provided with guide rod, guide rod stretches out valve gap and can touch with the rocking handle one end be arranged on above valve gap and coordinates, the side of valve gap is provided with pin; rocking handle coordinates with pin hinges, and the connection of the rocking handle the other end arranges rocking bar, and the end of rocking bar arranges ball float.Metering pump inlet pressure difference stabilizer of the present utility model, had both met user and had added required precision, and can alleviate customer using cost again, improved product cost, improved product competitive ability.
Description
Technical field
The utility model relates to a kind of metering pump inlet pressure difference stabilizer.
Background technique
At present in industries such as chemical industry, oil, medicine, liquid and liquid add by a certain percentage and to mix or liquid quantitative adds and mixes with solid chemicals, form a kind of new product, but there is high requirement to the charging quantity precision of liquid, such as medicine adds excessive or very few, very likely not only do not control disease, become a kind of poison on the contrary.When laboratory entrance constant voltage, on market, high-precision measuring pump can meet completely and added required precision, but when reality uses, particularly in pattern metering pump is arranged on bottom liquid container usually adopted, along with metering pump work, liquid adds, and the liquid in liquid container declines gradually, the pressure reduction of metering pump entry end and outlet end also increases gradually, and liquid charging quantity also reduces gradually.Owing to there is this defect, current producer be forced to adopt metering pump and flowmeter chain, added by the instantaneous change flow of flow meter signal feedback command metering pump, meet technique and add requirement, but also paid and added several times even price of tens times than general precision, this cost is transferred on Consumer's head the most at last for this reason.In sum: market above-mentioned defect in the urgent need to address, metering pump inlet pressure difference problem is solved.
Model utility content
For problems of the prior art, the purpose of this utility model is the technological scheme providing a kind of metering pump inlet pressure difference stabilizer.
Described a kind of metering pump inlet pressure difference stabilizer, this pressure reduction stabilizer is arranged between liquid container and metering pump, the position of liquid container is higher than pressure reduction stabilizer, the first pipeline between liquid container and pressure reduction stabilizer is provided with the first ball valve and y-type filter, the second pipeline between pressure reduction stabilizer and metering pump is provided with the second ball valve, it is characterized in that described pressure reduction stabilizer is by shell, connecting tube and valve body are formed, connecting tube and valve body are arranged in the enclosure, outer casing bottom is provided with liquid-inlet and liquid outlet, described connecting tube is set above liquid-inlet, connecting tube one end and the first pipeline connection, the connecting tube the other end connects valve body, liquid outlet and the second pipeline connection, described valve body is made up of valve seat, spool, valve gap, rocking handle, pin, rocking bar and ball float, valve gap is arranged on above valve seat, spool to be arranged in valve seat and can to move up and down in valve seat, spool upper end is provided with guide rod, guide rod stretches out valve gap and can touch with the rocking handle one end be arranged on above valve gap and coordinates, and the side of valve gap is provided with pin, and rocking handle coordinates with pin hinges, the connection of the rocking handle the other end arranges rocking bar, and the end of rocking bar arranges ball float, described valve seat is provided with valve body import, valve outlet and valve pocket, valve body import is located at valve seat lower end and is connected with connecting tube, the center that valve outlet is located at valve seat wall is communicated with housing interior volume, valve body import and valve pocket joint are provided with a step, and this step can to the stroke limit of spool.
Described a kind of metering pump inlet pressure difference stabilizer, it is characterized in that arranging boss below the described rocking handle be arranged on above valve gap, described guide rod touches with described boss and coordinates.
Described a kind of metering pump inlet pressure difference stabilizer, is characterized in that the position of described valve outlet is higher than the position of described step.
Described a kind of metering pump inlet pressure difference stabilizer, is characterized in that described rocking bar and rocking handle threaded.
Described a kind of metering pump inlet pressure difference stabilizer, is characterized in that described ball float arranges a connecting rod, coordinates between this connecting rod with rocking bar by screw is hinged.
Pressure reduction stabilizer of the present utility model is received metering pump entrance pipe place by screw thread or flange series connection, the liquid stream of liquid container is through this device, when liquid level reach user set high liquid level time, ball float closes entry end pipeline automatically by buoyancy, liquid in pressure reduction stabilizer is added by metering pump, and when liquid level is lower than set by user during low liquid level, entry end pipeline is opened automatically, again close until liquid reaches when user sets high liquid level again, circulate with this.The effective like this pressure influence having cut off metering pump entrance and liquid tank level height difference, by experimental results demonstrate, as long as user sets this device high liquid level and low liquid level difference (can be passed through to regulate the position relationship of ball float and rocking bar to control) within 2 meters, the pressure reduction of metering pump entrance and outlet is almost negligible to measuring accuracy, and the impact that this pressure reduction stabilizer adds field to metering pump highi degree of accuracy fluid is huge.
Metering pump inlet pressure difference stabilizer of the present utility model, had both met user and had added required precision, and can alleviate customer using cost again, improved product cost, improved product competitive ability.
Accompanying drawing explanation
Fig. 1 is a whole set of dosing system schematic diagram of the utility model metering pump;
Levitation ball control system schematic diagram when Fig. 2 is the utility model high fluid level condition;
Levitation ball control system schematic diagram when Fig. 3 is the utility model low fluid level condition;
Fig. 4 is the utility model valve body structure schematic diagram;
In figure: 1-liquid container, 2-first ball valve, 3-Y type filter, 4-first pipeline, 5-metering pump, 6-second ball valve, 7-second pipeline, 8-shell, 9-valve body, 10-connecting tube, 11-valve seat, 12-spool, 13-valve gap, 14-rocking handle, 15-pin, 16-rocking bar, 17-ball float, 18-guide rod, 19-valve pocket, the import of 20-valve body, 21-valve outlet, 22-step, 23-boss, 24-screw, 25-connecting rod.
Embodiment
Below in conjunction with Figure of description, the utility model is described in further detail:
A kind of metering pump inlet pressure difference stabilizer, this pressure reduction stabilizer is arranged between liquid container 1 and metering pump 5, the position of liquid container 1 is higher than pressure reduction stabilizer, the first pipeline 4 between liquid container 1 and pressure reduction stabilizer is provided with the first ball valve 2 and y-type filter 3, the second pipeline 7 between pressure reduction stabilizer and metering pump 5 is provided with the second ball valve 6, above-mentioned pressure reduction stabilizer is made up of shell 8, connecting tube 10 and valve body 9, connecting tube 10 and valve body 9 are arranged in shell 8, liquid-inlet and liquid outlet is provided with bottom shell 8, described connecting tube 10 is set above liquid-inlet, connecting tube one end is communicated with the first pipeline 4, the connecting tube the other end connects valve body 9, and liquid outlet is communicated with the second pipeline 7, valve body 9 is by valve seat 11, spool 12, valve gap 13, rocking handle 14, pin 15, rocking bar 16 and ball float 17 are formed, valve gap 13 is arranged on above valve seat 11, spool 12 to be arranged in valve seat and can to move up and down in valve seat, spool 12 upper end is provided with guide rod 18, guide rod 18 stretches out valve gap and can touch with rocking handle 14 one end be arranged on above valve gap and coordinates, seal ring is provided with between guide rod 18 and valve gap, the side of valve gap 13 is provided with pin 15, rocking handle 14 coordinates with pin 15 is hinged, the connection of rocking handle 14 the other end arranges rocking bar 16, the end of rocking bar 16 arranges ball float 17, valve seat is provided with valve body import 20, valve outlet 21 and valve pocket 19, valve body import is located at valve seat lower end and is connected with connecting tube, the center that valve outlet is located at valve seat wall is communicated with housing interior volume, valve body import and valve pocket joint are provided with a step 22, the position of valve outlet is higher than the position of step, this step and spool are formed and seal, and can to the stroke limit of spool.
As preferably, arrange boss 23 being arranged on below the rocking handle above valve gap, guide rod 18 touches with boss and coordinates, and can increase the application area of this pressure reduction stabilizer.
Conveniently combine installation, rocking bar and rocking handle threaded.
In order to the height (high liquid level and low liquid level poor) of closing liquid level can be regulated, ball float 17 arranges a connecting rod 25, coordinate by screw 24 is hinged between this connecting rod 25 with rocking bar 16, regulated the relative position of ball float and rocking bar by adjusting screw, and then free adjusting liquid level.
The shell of this pressure reduction stabilizer is a cavity volume, liquid enters pressure reduction stabilizer by valve body import and pushes spool open from valve outlet inflow shell, along with liquid constantly increases, ball float makes rocking bar drive rocking handle to rotate around pin by buoyancy, the boss arranged below rocking handle is moved downward, act on the guide rod at spool top, spool and step are formed and seals, reach the object of automatic closing liquid.The closedown liquid level position of ball float can be finely tuned by screw, extracts different liquids with proper measurement pump.
Pressure reduction stabilizer of the present utility model is received metering pump entrance pipe place by screw thread or flange series connection, the liquid stream of liquid container is through this device, when liquid level reach user set high liquid level time, ball float closes entry end pipeline automatically by buoyancy, liquid in pressure reduction stabilizer is added by metering pump, and when liquid level is lower than set by user during low liquid level, entry end pipeline is opened automatically, again close until liquid reaches when user sets high liquid level again, circulate with this.The effective like this pressure influence having cut off metering pump entrance and liquid tank level height difference, by experimental results demonstrate, as long as user sets this device high liquid level and low liquid level difference (can be passed through to regulate the position relationship of ball float and rocking bar to control) within 2 meters, the pressure reduction of metering pump entrance and outlet is almost negligible to measuring accuracy, and the impact that this pressure reduction stabilizer adds field to metering pump highi degree of accuracy fluid is huge.
Claims (5)
1. a metering pump inlet pressure difference stabilizer, this pressure reduction stabilizer is arranged between liquid container and metering pump, the position of liquid container is higher than pressure reduction stabilizer, the first pipeline between liquid container and pressure reduction stabilizer is provided with the first ball valve and y-type filter, the second pipeline between pressure reduction stabilizer and metering pump is provided with the second ball valve, it is characterized in that described pressure reduction stabilizer is by shell, connecting tube and valve body are formed, connecting tube and valve body are arranged in the enclosure, outer casing bottom is provided with liquid-inlet and liquid outlet, described connecting tube is set above liquid-inlet, connecting tube one end and the first pipeline connection, the connecting tube the other end connects valve body, liquid outlet and the second pipeline connection, described valve body is made up of valve seat, spool, valve gap, rocking handle, pin, rocking bar and ball float, valve gap is arranged on above valve seat, spool to be arranged in valve seat and can to move up and down in valve seat, spool upper end is provided with guide rod, guide rod stretches out valve gap and can touch with the rocking handle one end be arranged on above valve gap and coordinates, and the side of valve gap is provided with pin, and rocking handle coordinates with pin hinges, the connection of the rocking handle the other end arranges rocking bar, and the end of rocking bar arranges ball float, described valve seat is provided with valve body import, valve outlet and valve pocket, valve body import is located at valve seat lower end and is connected with connecting tube, the center that valve outlet is located at valve seat wall is communicated with housing interior volume, valve body import and valve pocket joint are provided with a step, and this step can to the stroke limit of spool.
2. a kind of metering pump inlet pressure difference stabilizer according to claim 1, it is characterized in that arranging boss below the described rocking handle be arranged on above valve gap, described guide rod touches with described boss and coordinates.
3. a kind of metering pump inlet pressure difference stabilizer according to claim 1, is characterized in that the position of described valve outlet is higher than the position of described step.
4. a kind of metering pump inlet pressure difference stabilizer according to claim 1, is characterized in that described rocking bar and rocking handle threaded.
5. a kind of metering pump inlet pressure difference stabilizer according to claim 1, is characterized in that described ball float arranges a connecting rod, coordinates between this connecting rod with rocking bar by screw is hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420700735.0U CN204327470U (en) | 2014-11-21 | 2014-11-21 | A kind of metering pump inlet pressure difference stabilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420700735.0U CN204327470U (en) | 2014-11-21 | 2014-11-21 | A kind of metering pump inlet pressure difference stabilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204327470U true CN204327470U (en) | 2015-05-13 |
Family
ID=53163839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420700735.0U Expired - Fee Related CN204327470U (en) | 2014-11-21 | 2014-11-21 | A kind of metering pump inlet pressure difference stabilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204327470U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389776A (en) * | 2014-11-21 | 2015-03-04 | 浙江爱力浦科技股份有限公司 | Metering pump inlet pressure difference stabilizing device |
-
2014
- 2014-11-21 CN CN201420700735.0U patent/CN204327470U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389776A (en) * | 2014-11-21 | 2015-03-04 | 浙江爱力浦科技股份有限公司 | Metering pump inlet pressure difference stabilizing device |
| CN104389776B (en) * | 2014-11-21 | 2016-06-01 | 浙江爱力浦科技股份有限公司 | A kind of volume pump inlet pressure difference stabilizing deyice |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20171121 |