CN104343655A - Filter pump for fiber detection - Google Patents
Filter pump for fiber detection Download PDFInfo
- Publication number
- CN104343655A CN104343655A CN201310324115.1A CN201310324115A CN104343655A CN 104343655 A CN104343655 A CN 104343655A CN 201310324115 A CN201310324115 A CN 201310324115A CN 104343655 A CN104343655 A CN 104343655A
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- pump chamber
- groove
- draw
- valve
- outlet
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Abstract
The invention discloses a filter pump for fiber detection. The filter pump comprises a pump body, an eccentric wheel, a leather cup and a pulling rod, a pump cavity is formed between the leather cup and the pump body, and two ends of the pulling rod are connected with the eccentric wheel and the leather cup respectively. A water inlet pipe and a water outlet pipe both communicated with the pump cavity are arranged on the pump body, a water inlet slot and a water outlet slot which are annular are arranged in the inner walls of the water inlet pipe and the water outlet pipe respectively, a water inlet valve and a water outlet valve are arranged in the water inlet pipe and the water outlet pipe respectively, and the water inlet valve is located between the water inlet slot and the pump cavity. The water outlet slot is located between the water outlet valve and the pump cavity, and the surface of the leather cup is provided with a polytetrafluoroethylene layer. The filter pump has the advantages that the filter pump functions as a reciprocating pump and is simple in structure, low in fault rate, resistant to corrosion, less prone to aging, long in service life, unlimited to types of laboratory reagents and temperature, capable of being used normally when sucked and discharged liquid flow is large, free of manual operation, convenient to operate and safe.
Description
Technical field
The present invention relates to a kind of suction filter pump for fiber check and measure.
Background technique
When detecting the crude fiber equal size in food, feed, need to go out sulfuric acid from the crucible bottom suction filtration of band core, the chemical reagent such as acetone, to be sample boil being equipped with in condensation tube conical flask to disappear with acid traditional method, then sand core crucible is transferred to, with the vial of vacuum pump suction filtration combination seal, waste liquid is extracted out.And then transfer in former conical flask, carry out alkali and disappear and boil, repeat said process.First this method needs to shift sample, and undesirably increase error, next the acid solution alkali lye boiled that disappears is all fluidized state, and transfer process is abnormally dangerous.Moreover this method needs special people to be responsible for, complex operation.
Summary of the invention
The object of the invention is to provide that a kind of structure is simple, the suction filter pump for fiber check and measure of longer service life.
In order to reach object of the present invention, technological scheme is as follows:
A kind of suction filter pump for fiber check and measure, comprise the pump housing, eccentric wheel, also comprise leather cup and pull lever, described leather cup edge is connected with the described pump housing, form a pump chamber between described leather cup and the described pump housing, the two ends of described pull lever are connected with described eccentric wheel and described leather cup respectively.
The described pump housing is provided with intake pipe and outlet pipe, described intake pipe and described outlet pipe are all communicated with described pump chamber, the inwall of described intake pipe is provided with the water inlet draw-in groove of ring-type, described water inlet draw-in groove is greater than the internal diameter away from described pump chamber one end near the internal diameter of described pump chamber one end, be provided with inlet valve in described intake pipe, described inlet valve is between described water inlet draw-in groove and described pump chamber.
The inwall of described outlet pipe is provided with the water outlet draw-in groove of ring-type, described water outlet draw-in groove is less than the internal diameter away from described pump chamber one end near the internal diameter of described pump chamber one end, outlet valve is provided with in described outlet pipe, described water outlet draw-in groove is between described outlet valve and described pump chamber, and the surface of described leather cup is provided with polytetrafluoroethylene floor.
Further, described leather cup is Ethylene Propylene Terpolymer leather cup.
Further, described pull lever is any one in iron pull lever, stainless steel pull lever or copper pull lever.
Further, described water inlet draw-in groove is teflon water inlet draw-in groove, and described water outlet draw-in groove is teflon water outlet draw-in groove.
Further, the shape of described outlet valve and described inlet valve is taper shape, and the conical tip on described outlet valve is towards described pump chamber, and the conical bottom on described inlet valve is facing to described pump chamber.Be greater than the internal diameter away from described pump chamber one end on water draw-in groove described in the diameter of described inlet valve circular cone bottom surface is greater than, the diameter of described outlet valve circular cone bottom surface is greater than the internal diameter near described pump chamber one end on described water outlet draw-in groove.
Further, the shape of described outlet valve and described inlet valve is frustoconic shape, and the bottom surface that on described outlet valve, area is less is towards described pump chamber, and the bottom surface that on described inlet valve, area is larger is towards described pump chamber.Described inlet valve is greater than the internal diameter away from described pump chamber one end on described water inlet draw-in groove near the diameter of the bottom surface of described pump chamber, described outlet valve is greater than the internal diameter near described pump chamber one end on described water outlet draw-in groove away from the diameter of the bottom surface of described pump chamber.
Further, described inlet valve is teflon inlet valve, and described outlet valve is teflon outlet valve.
Further, the internal surface of the internal surface of described intake pipe, the internal surface of the described pump housing and described outlet pipe all scribbles teflon.
Leather cup: material adopts Ethylene Propylene Terpolymer, and surface adhesive has ptfe sheet.Leather cup has extraordinary toughness, can be applicable to long-time, high frequency, stretching by a relatively large margin and jack-up.
The pull lever of the metal material of standard thread is with in the bottom of leather cup with one, the stretching of leather cup and jack-up drive by pull lever, and the to-and-fro motion of pull lever realizes by connecting with eccentric wheel, and eccentric rotation is by driven by motor.
Valve: adopt teflon to make similar taper shape or frustoconic shape.Intake pipe and outlet pipe are respectively arranged with and inlet valve and outlet valve shape similar and the water inlet draw-in groove of working in coordination and water outlet draw-in groove.Water inlet draw-in groove becomes specular with the shape of water outlet draw-in groove, and inlet valve becomes specular with the shape of outlet valve.
Pump chamber is the space between the pump housing and leather cup, the stretching of leather cup and jack-up, and the volume of pump chamber is also changed, and pump chamber volume becomes large or when diminishing, also becomes large accordingly or diminish, can produce direction opposite effect power due to internal pressure.
Inlet valve, outlet valve, water inlet draw-in groove, water outlet draw-in groove all adopt teflon material, the internal surface of intake pipe, outlet pipe, the pump housing scribbles polytetrafluoroethylmaterial material, the surface of leather cup is also provided with polytetrafluoroethylene floor, this part that liquid is flow through is teflon, and this material of teflon has the feature of antiacid alkali resistant, anti-various organic solvent, be dissolved in all solvents hardly, and it is high temperature resistant, can long-term work at the temperature of+250 DEG C to-180 DEG C, in addition extraordinary ageing resistance.
Driven by motor eccentric wheel rotates, and then drives pull lever to-and-fro motion, finally drives leather cup to-and-fro motion.When leather cup is toward time drop-down, pump chamber volume becomes large, under the effect of suction, inlet valve and outlet valve all down move, and now produce gap between inlet valve and water inlet draw-in groove, and water outlet draw-in groove and the mutual fastening of outlet valve, therefore be equivalent to open inlet valve, close outlet valve, liquid enters pump chamber; When leather cup upwards jack-up time, pump chamber smaller volume, under the effect of thrust, inlet valve and outlet valve up move, in like manner, and now inlet valve and the mutual fastening of water inlet draw-in groove, produce gap between outlet valve and water outlet draw-in groove, be equivalent to open outlet valve and close inlet valve, liquid is discharged from outlet pipe.So repeatedly, making liquid constantly enter pump chamber from intake pipe and discharge from outlet pipe again, when not needing artificial, achieving the transfer of liquid.
The beneficial effect that the present invention has:
Play the effect of reciprocating pump, structure is simple, failure rate is low, corrosion-resistant and not easily aging, long service life.By the restriction of experiment reagent kind and temperature, suck and discharge fluid flow larger time also can normally use, and do not need manual operation, easy to operate, also very safe.
Accompanying drawing explanation
Structural representation when Fig. 1 is suction filter pump feed liquor state of the present invention;
Structural representation when Fig. 2 is suction filter pump discharge opeing state of the present invention;
Fig. 3 is the cross section structure schematic diagram of leather cup of the present invention.
Embodiment
Below in conjunction with embodiment, the invention will be further described, but protection scope of the present invention is not only confined to embodiment.
As depicted in figs. 1 and 2, a kind of suction filter pump for fiber check and measure, comprises the pump housing 3, eccentric wheel 1, leather cup 8 and pull lever 2.Leather cup 8 edge is connected with the pump housing 3, forms a pump chamber 6 between leather cup 8 and the pump housing 3, and the two ends of pull lever 2 are connected with eccentric wheel 1 and leather cup 8 respectively.The rotation of eccentric wheel 1 drives by motor (not illustrating), and eccentric wheel 1 can drive pull lever 2 to-and-fro motion after rotating, and then drives leather cup 8 to stretch or jack-up.
The pump housing 3 is provided with intake pipe 7 and outlet pipe 9, intake pipe 7 and outlet pipe 9 are all communicated with pump chamber 6, so that feed liquor and discharge opeing.The inwall of intake pipe 7 is provided with the water inlet draw-in groove 10 of ring-type, the internal diameter near pump chamber 6 one end on water inlet draw-in groove 10 is greater than the internal diameter away from pump chamber 6 one end.Be provided with inlet valve 5 in intake pipe 7, inlet valve 5 is conical or frustoconic shape, and what the present embodiment adopted is conical, and inlet valve 5 is between water inlet draw-in groove 10 and pump chamber 6.The conical bottom of inlet valve 5 is facing to pump chamber 6, and the diameter of inlet valve 5 circular cone bottom surface is greater than the internal diameter away from pump chamber 6 one end on water draw-in groove 10, and therefore inlet valve 5 can be embedded into in water draw-in groove 10 inner ring, and fastening mutually.
The inwall of outlet pipe 9 is provided with the water outlet draw-in groove 11 of ring-type, water outlet draw-in groove 11 is less than the internal diameter away from pump chamber 6 one end near the internal diameter of pump chamber 6 one end.Be provided with outlet valve 4 in outlet pipe 9, outlet valve 4 is frustoconic shape or taper shape, and what the present embodiment adopted is conical, and water outlet draw-in groove 11 is between outlet valve 4 and pump chamber 6.The conical tip of outlet valve 4 is towards pump chamber 6, and the diameter of outlet valve 4 circular cone bottom surface is greater than the internal diameter near pump chamber 6 one end on water outlet draw-in groove 11, and therefore outlet valve 4 can be embedded in the inner ring of water outlet draw-in groove 11, and fastening mutually.
With reference to shown in Fig. 3, the material of leather cup 8 is Ethylene Propylene Terpolymer.The surface of leather cup 8 is provided with polytetrafluoroethylene floor 81, and the material of polytetrafluoroethylene floor 81 is teflon, and polytetrafluoroethylene floor 81 is bonded in leather cup 8 surface by glue layer 82.The diameter of leather cup 8, slightly larger than the diameter of the pump housing 3, makes leather cup 8 pump housing 3 can be covered.
Pull lever 2 is Structural Hardware, any one preferably in iron pull lever, stainless steel pull lever or copper pull lever, and what the present embodiment adopted is stainless steel pull lever, durable in use.
Water inlet draw-in groove 10 is teflon water inlet draw-in groove, and water outlet draw-in groove 11 is teflon water outlet draw-in groove.Inlet valve 5 is teflon inlet valve, and outlet valve 4 is teflon outlet valve.The internal surface of the internal surface of intake pipe 7, the internal surface of the pump housing 3 and outlet pipe 9 all scribbles teflon.
Driven by motor eccentric wheel 1 rotates, and then drives pull lever 2 to-and-fro motion, finally drives leather cup 8 to-and-fro motion.When leather cup 8 is toward time drop-down, pump chamber 6 volume becomes large, suction is produced to inlet valve 5 and outlet valve 4, under the effect of suction, inlet valve 5 and outlet valve 4 all down move, and now produce gap between inlet valve 5 and water inlet draw-in groove 10, and water outlet draw-in groove 11 and outlet valve 4 fastening mutually, therefore be equivalent to open inlet valve 5, close outlet valve 4, liquid enters pump chamber 6; When leather cup 8 upwards jack-up time, pump chamber 6 smaller volume, thrust is produced to inlet valve 5 and outlet valve 4, under the effect of thrust, inlet valve 5 and outlet valve 4 up move, in like manner, now inlet valve 5 and the fastening mutually of water inlet draw-in groove 10, produce gap between outlet valve 4 and water outlet draw-in groove 11, be equivalent to open outlet valve 4 and close inlet valve 5, liquid is discharged from outlet pipe 9.So repeatedly, make liquid constantly enter pump chamber 6 from intake pipe 7, discharge from water outlet 9 again.
Last it is noted that above embodiment only in order to illustrate the present invention and and unrestricted technological scheme described in the invention, therefore, although this specification with reference to each above-mentioned embodiment to present invention has been detailed description, but, those of ordinary skill in the art is to be understood that, still can modify to the present invention or equivalent replacement, and all do not depart from technological scheme and the improvement thereof of the spirit and scope of the present invention, it all should be encompassed in right of the present invention.
Claims (10)
1. the suction filter pump for fiber check and measure, comprise the pump housing (3), eccentric wheel (1), it is characterized in that, also comprise leather cup (8) and pull lever (2), described leather cup (8) edge is connected with the described pump housing (3), form a pump chamber (6) between described leather cup (8) and the described pump housing (3), the two ends of described pull lever (2) are connected with described eccentric wheel (1) and described leather cup (8) respectively
The described pump housing (3) is provided with intake pipe (7) and outlet pipe (9), described intake pipe (7) and described outlet pipe (9) are all communicated with described pump chamber (6),
The inwall of described intake pipe (7) is provided with the water inlet draw-in groove (10) of ring-type, the upper internal diameter near described pump chamber (6) one end of described water inlet draw-in groove (10) is greater than the internal diameter away from described pump chamber (6) one end, inlet valve (5) is provided with in described intake pipe (7), described inlet valve (5) is positioned between described water inlet draw-in groove (10) and described pump chamber (6)
The inwall of described outlet pipe (9) is provided with the water outlet draw-in groove (11) of ring-type, the upper internal diameter near described pump chamber (6) one end of described water outlet draw-in groove (11) is less than the internal diameter away from described pump chamber (6) one end, outlet valve (4) is provided with in described outlet pipe (9), described water outlet draw-in groove (11) is positioned between described outlet valve (4) and described pump chamber (6), and the surface of described leather cup (8) is provided with polytetrafluoroethylene floor (81).
2. suction filter pump according to claim 1, is characterized in that, described leather cup (8) is Ethylene Propylene Terpolymer leather cup.
3. suction filter pump according to claim 1, is characterized in that, described pull lever (2) is iron pull lever, any one in stainless steel pull lever or copper pull lever.
4. suction filter pump according to claim 1, is characterized in that, described water inlet draw-in groove (10) is teflon water inlet draw-in groove, and described water outlet draw-in groove (11) is teflon water outlet draw-in groove.
5. suction filter pump according to claim 1, it is characterized in that, the shape of described outlet valve (4) and described inlet valve (5) is taper shape, conical tip on described outlet valve (4) is towards described pump chamber (6), and the conical bottom on described inlet valve (5) is facing to described pump chamber (6).
6. suction filter pump according to claim 1, it is characterized in that, the shape of described outlet valve (4) and described inlet valve (5) is frustoconic shape, described outlet valve (4) bottom surface that above area is less is towards described pump chamber (6), and described inlet valve (5) bottom surface that above area is larger is towards described pump chamber (6).
7. the suction filter pump according to claim 1,5 or 6, is characterized in that, described inlet valve (5) is teflon inlet valve, and described outlet valve (4) is teflon outlet valve.
8. suction filter pump according to claim 5, it is characterized in that, be greater than the internal diameter away from described pump chamber (6) one end on water draw-in groove (10) described in the diameter of described inlet valve (5) circular cone bottom surface is greater than, the diameter of described outlet valve (4) circular cone bottom surface is greater than the upper internal diameter near described pump chamber (6) one end of described water outlet draw-in groove (11).
9. suction filter pump according to claim 6, it is characterized in that, the diameter of the upper bottom surface near described pump chamber (6) of described inlet valve (5) is greater than the internal diameter away from described pump chamber (6) one end on described water inlet draw-in groove (10), and described outlet valve (4) is greater than the upper internal diameter near described pump chamber (6) one end of described water outlet draw-in groove (11) away from the diameter of the bottom surface of described pump chamber (6).
10. suction filter pump according to claim 1, is characterized in that, the internal surface of the internal surface of described intake pipe (7), the described pump housing (3) and the internal surface of described outlet pipe (9) all scribble teflon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310324115.1A CN104343655B (en) | 2013-07-30 | 2013-07-30 | A kind of suction filter pump for fiber check and measure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310324115.1A CN104343655B (en) | 2013-07-30 | 2013-07-30 | A kind of suction filter pump for fiber check and measure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104343655A true CN104343655A (en) | 2015-02-11 |
| CN104343655B CN104343655B (en) | 2016-11-16 |
Family
ID=52499956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310324115.1A Active CN104343655B (en) | 2013-07-30 | 2013-07-30 | A kind of suction filter pump for fiber check and measure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104343655B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0286404A2 (en) * | 1987-04-08 | 1988-10-12 | Eaton S.A.M. | Electric pump |
| JPH0176574U (en) * | 1987-11-10 | 1989-05-24 | ||
| JPH0543274Y2 (en) * | 1985-09-10 | 1993-10-29 | ||
| CN201696657U (en) * | 2010-06-12 | 2011-01-05 | 浙江远安流体设备有限公司 | Pneumatic diaphragm valve |
| CN102203417A (en) * | 2008-10-30 | 2011-09-28 | 科诺科飞利浦公司 | Diaphragm pumps and transporting drag reducers |
-
2013
- 2013-07-30 CN CN201310324115.1A patent/CN104343655B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0543274Y2 (en) * | 1985-09-10 | 1993-10-29 | ||
| EP0286404A2 (en) * | 1987-04-08 | 1988-10-12 | Eaton S.A.M. | Electric pump |
| JPH0176574U (en) * | 1987-11-10 | 1989-05-24 | ||
| CN102203417A (en) * | 2008-10-30 | 2011-09-28 | 科诺科飞利浦公司 | Diaphragm pumps and transporting drag reducers |
| CN201696657U (en) * | 2010-06-12 | 2011-01-05 | 浙江远安流体设备有限公司 | Pneumatic diaphragm valve |
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| Publication number | Publication date |
|---|---|
| CN104343655B (en) | 2016-11-16 |
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