CN104343655B - A kind of suction filter pump for fiber check and measure - Google Patents
A kind of suction filter pump for fiber check and measure Download PDFInfo
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- CN104343655B CN104343655B CN201310324115.1A CN201310324115A CN104343655B CN 104343655 B CN104343655 B CN 104343655B CN 201310324115 A CN201310324115 A CN 201310324115A CN 104343655 B CN104343655 B CN 104343655B
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- pump chamber
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- water inlet
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Abstract
The invention discloses a kind of suction filter pump for fiber check and measure, including the pump housing, eccentric, leather cup and pull lever, form a pump chamber between leather cup and the described pump housing, the two ends of pull lever are connected with eccentric and leather cup respectively.The water inlet pipe and outlet pipe all connected it is provided with pump chamber on the pump housing, ring-type water inlet draw-in groove and water outlet draw-in groove it is respectively arranged with on the inwall of water inlet pipe and outlet pipe, being respectively arranged with water intaking valve and outlet valve in water inlet pipe and outlet pipe, water intaking valve is between water inlet draw-in groove and pump chamber.Water outlet draw-in groove is between outlet valve and pump chamber, and the surface configuration of leather cup has polytetrafluoroethylene floor.The invention have the benefit that the effect playing reciprocating pump, simple in construction, failure rate is low, corrosion-resistant and be difficult to aging, service life is long.Do not limited by experiment reagent kind and temperature, also can normally use when sucking bigger with drain flow, and need not manual operation, easy to operate, the safest.
Description
Technical field
The present invention relates to a kind of suction filter pump for fiber check and measure.
Background technology
When detecting the crude fibre equal size in food, feedstuff, the crucible bottom sucking filtration from band core is needed to go out
Sulphuric acid, the chemical reagent such as acetone, traditional method is that sample disappears with acid in equipped with condensing tube conical flask and boils, so
After be transferred to sand core crucible, with vacuum pump sucking filtration combine seal vial, by waste liquid extract out.Turn the most again
Move on in former conical flask, carry out alkali and disappear and boil, repeat said process.This method firstly the need of transfer sample,
Undesirably increasing error, next the acid solution alkali liquor boiled that disappears is all fluidized state, and transfer process is endangered very much
Danger.Furthermore, this method needs special people to be responsible for, complex operation.
Summary of the invention
The invention aims to provide a kind of simple in construction, service life longer for fiber check and measure
Suction filter pump.
In order to reach the purpose of the present invention, technical scheme is as follows:
A kind of suction filter pump for fiber check and measure, including the pump housing, eccentric, also includes leather cup and pull lever,
Described leather cup edge is connected with the described pump housing, forms a pump chamber between described leather cup and the described pump housing, described
The two ends of pull lever are connected with described eccentric and described leather cup respectively.
Water inlet pipe and outlet pipe, described water inlet pipe and described outlet pipe it is provided with all with described on the described pump housing
Pump chamber connects, and the inwall of described water inlet pipe is provided with ring-type water inlet draw-in groove, close on described water inlet draw-in groove
The internal diameter of described pump chamber one end, more than the internal diameter away from described pump chamber one end, is provided with into water in described water inlet pipe
Valve, described water intaking valve is between described water inlet draw-in groove and described pump chamber.
Ring-type water outlet draw-in groove it is provided with, near described pump on described water outlet draw-in groove on the inwall of described outlet pipe
The internal diameter of one end, chamber, less than the internal diameter away from described pump chamber one end, is provided with outlet valve, institute in described outlet pipe
Stating water outlet draw-in groove between described outlet valve and described pump chamber, the surface configuration of described leather cup has polytetrafluoro
Pvdf layer.
Further, described leather cup is EPDM leather cup.
Further, any one during described pull lever is ferrum pull lever, rustless steel pull lever or copper pull lever.
Further, described water inlet draw-in groove is politef water inlet draw-in groove, and described water outlet draw-in groove is polytetrafluoroethyl-ne
Alkene water outlet draw-in groove.
Further, the shape of described outlet valve and described water intaking valve is cone, on described outlet valve
Conical tip is towards described pump chamber, and the conical bottom on described water intaking valve is facing to described pump chamber.Described water intaking valve
The diameter of circular cone bottom surface more than described more than on water inlet draw-in groove away from the internal diameter of described pump chamber one end, described water outlet
The diameter of valve circle cone bottom surface is the internal diameter of close described pump chamber one end more than on described water outlet draw-in groove.
Further, the shape of described outlet valve and described water intaking valve is truncated cone-shaped, above described outlet valve
Long-pending less bottom surface is towards described pump chamber, and the bottom surface that on described water intaking valve, area is bigger is towards described pump chamber.Institute
State the diameter of the bottom surface of close described pump chamber on water intaking valve to be more than on described water inlet draw-in groove away from described pump chamber one
The internal diameter of end, on described outlet valve, the diameter of bottom surface away from described pump chamber is close more than on described water outlet draw-in groove
The internal diameter of described pump chamber one end.
Further, described water intaking valve is politef water intaking valve, and described outlet valve is politef water outlet
Valve.
Further, the inner surface of described water inlet pipe, the inner surface of the described pump housing and described outlet pipe is interior
Politef is all scribbled on surface.
Leather cup: material uses EPDM, and surface is bonded with ptfe sheet.Leather cup has very
Good toughness, can be suitable for for a long time, altofrequency, stretching by a relatively large margin and jack-up.
The bottom of leather cup is with the pull lever of the metal material of a band standard thread, the stretching of leather cup and jack-up
By pull lever drive, the reciprocating motion of pull lever be by with eccentric connect realize, and eccentric turn
Dynamic by driven by motor.
Valve: use politef to make similar cone or truncated cone-shaped.Divide on water inlet pipe and outlet pipe
It is not provided with the water inlet draw-in groove and water outlet draw-in groove being shaped like with water intaking valve and outlet valve and working in coordination.Enter
Water draw-in groove is mirrored into symmetry with the shape of water outlet draw-in groove, and water intaking valve is mirrored into symmetry 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 so that the volume of pump chamber is also sent out
Changing, when pump chamber volume becomes big or diminishes, becomes big the most accordingly or diminishes, can produce due to internal pressure
Raw active force in opposite direction.
Water intaking valve, outlet valve, water inlet draw-in groove, water outlet draw-in groove all use politef material, water inlet pipe,
Outlet pipe, the inner surface of the pump housing scribble polytetrafluoroethylmaterial material, and the surface of leather cup is also equipped with politef
Layer, this part that liquid is flow through is politef, and this material of politef has antiacid
Alkali resistant, the feature of anti-various organic solvents, be practically insoluble in all of solvent, and high temperature resistant, can be at+250 DEG C
Long-term work at a temperature of-180 DEG C, the most extraordinary ageing resistance.
Driven by motor eccentric rotates, and then drives pull lever to move back and forth, and finally drives leather cup to move back and forth.
When leather cup is toward time drop-down, and pump chamber volume becomes big, and under the effect of suction, water intaking valve and outlet valve are the most down transported
Dynamic, now produce gap between water intaking valve and water inlet draw-in groove, and water outlet draw-in groove and outlet valve fasten mutually, because of
This is equivalent to open water intaking valve, closes outlet valve, and liquid enters pump chamber；When leather cup upwards jack-up, pump chamber
Volume diminishes, and under the effect of thrust, water intaking valve and outlet valve up move, in like manner, now water intaking valve with
Water inlet draw-in groove fastens mutually, produces gap between outlet valve and water outlet draw-in groove, is equivalent to open outlet valve and closes
Water intaking valve, liquid is discharged from outlet pipe.The most repeatedly, liquid is made constantly to enter pump chamber again from going out from water inlet pipe
Water pipe is discharged, in the case of need not manually, it is achieved that the transfer of liquid.
The invention have the benefit that
Play the effect of reciprocating pump, simple in construction, failure rate is low, corrosion-resistant and be difficult to aging, service life
Long.Do not limited by experiment reagent kind and temperature, also can normally be made when sucking bigger with drain flow
With, and need not manual operation, and easy to operate, the safest.
Accompanying drawing explanation
Fig. 1 is structural representation during suction filter pump feed liquor state of the present invention；
Fig. 2 is structural representation during 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.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described, but protection scope of the present invention is not only limited to
In embodiment.
As depicted in figs. 1 and 2, a kind of suction filter pump for fiber check and measure, including the pump housing 3, eccentric 1,
Leather cup 8 and pull lever 2.Leather cup 8 edge is connected with the pump housing 3, forms one between leather cup 8 and the pump housing 3
Pump chamber 6, the two ends of pull lever 2 are connected with eccentric 1 and leather cup 8 respectively.The rotation of eccentric 1 is leaned on
Motor (not illustrating) drives, and eccentric 1 can drive pull lever 2 to move back and forth after rotating, and then drives skin
Bowl 8 stretching or jack-up.
Be provided with on the pump housing 3 water inlet pipe 7 and outlet pipe 9, water inlet pipe 7 and outlet pipe 9 all with pump chamber 6
Connection, in order to feed liquor and discharge opeing.Ring-type water inlet draw-in groove 10, water inlet card it is provided with on the inwall of water inlet pipe 7
On groove 10, the internal diameter near pump chamber 6 one end is more than the internal diameter away from pump chamber 6 one end.Arrange in water inlet pipe 7
Having water intaking valve 5, water intaking valve 5 is cone or truncated cone-shaped, and the present embodiment uses cone, water inlet
Valve 5 is between water inlet draw-in groove 10 and pump chamber 6.The conical bottom of water intaking valve 5 facing to pump chamber 6, and
The diameter of water intaking valve 5 circular cone bottom surface is more than the internal diameter on water inlet draw-in groove 10 away from pump chamber 6 one end, therefore enters
Water valve 5 can be embedded in water draw-in groove 10 internal ring, and fastens mutually.
Ring-type water outlet draw-in groove 11 it is provided with, near pump chamber 6 on water outlet draw-in groove 11 on the inwall of outlet pipe 9
The internal diameter of one end is less than the internal diameter away from pump chamber 6 one end.Outlet valve 4, outlet valve it is provided with in outlet pipe 9
4 is truncated cone-shaped or cone, and the present embodiment uses cone, and water outlet draw-in groove 11 is positioned at outlet valve 4
And between pump chamber 6.The conical tip of outlet valve 4 is towards pump chamber 6, and outlet valve 4 circular cone bottom surface
Diameter is the internal diameter of close pump chamber 6 one end more than on water outlet draw-in groove 11, and therefore outlet valve 4 can be embedded into
In the internal ring of water draw-in groove 11, and fasten mutually.
With reference to shown in Fig. 3, the material of leather cup 8 is EPDM.The surface configuration of leather cup 8 has polytetrafluoroethyl-ne
Alkene layer 81, the material of polytetrafluoroethylene floor 81 is politef, and polytetrafluoroethylene floor 81 passes through glue layer
82 are bonded in leather cup 8 surface.The diameter of leather cup 8 is slightly larger than the diameter of the pump housing 3 so that leather cup 8 can be pump
Body 3 covers.
Pull lever 2 is metal structure, preferably in ferrum pull lever, rustless steel pull lever or copper pull lever
Any one, the present embodiment uses rustless steel pull lever, durable in use.
Water inlet draw-in groove 10 is politef water inlet draw-in groove, and water outlet draw-in groove 11 is politef water outlet draw-in groove.
Water intaking valve 5 is politef water intaking valve, and outlet valve 4 is politef outlet valve.Water inlet pipe 7 interior
Politef is all scribbled on the inner surface of surface, the inner surface of the pump housing 3 and outlet pipe 9.
Driven by motor eccentric 1 rotates, and then drives pull lever 2 to move back and forth, and finally drives leather cup 8 past
Multiple motion.When leather cup 8 is toward time drop-down, and pump chamber 6 volume becomes big, produces water intaking valve 5 and outlet valve 4 and inhales
Power, under the effect of suction, water intaking valve 5 and outlet valve 4 the most down move, now water intaking valve 5 and water inlet
Produce gap between draw-in groove 10, and water outlet draw-in groove 11 and outlet valve 4 fasten mutually, are therefore equivalent to open
Water intaking valve 5, closes outlet valve 4, and liquid enters pump chamber 6；When leather cup 8 upwards jack-up, pump chamber 6 volume
Diminish, water intaking valve 5 and outlet valve 4 are produced thrust, under the effect of thrust, water intaking valve 5 and outlet valve
4 up move, and in like manner, now water intaking valve 5 fastens mutually with water inlet draw-in groove 10, outlet valve 4 and water outlet card
Producing gap between groove 11, be equivalent to open outlet valve 4 and close water intaking valve 5, liquid is discharged from outlet pipe 9.
The most repeatedly, make liquid constantly enter pump chamber 6 from water inlet pipe 7, discharge from water outlet 9 again.
Last it is noted that above example only in order to the present invention is described and and unrestricted described in the invention
Technical scheme, therefore, although this specification with reference to each above-mentioned embodiment to present invention has been in detail
Thin explanation, but, it will be understood by those within the art that, still the present invention can be repaiied
Changing or equivalent, and all are without departing from the technical scheme of the spirit and scope of the present invention and improvement thereof, it is equal
Should contain in scope of the presently claimed invention.
Claims (8)
1. for a suction filter pump for fiber check and measure, including the pump housing (3), eccentric (1), it is characterised in that
Also including leather cup (8) and pull lever (2), described leather cup (8) edge is connected with the described pump housing (3), institute
State one pump chamber (6) of formation, the two ends of described pull lever (2) between leather cup (8) and the described pump housing (3)
It is connected with described eccentric (1) and described leather cup (8) respectively,
Be provided with water inlet pipe (7) and outlet pipe (9) on the described pump housing (3), described water inlet pipe (7) and
Described outlet pipe (9) all connects with described pump chamber (6),
Ring-type water inlet draw-in groove (10), described water inlet draw-in groove (10) it is provided with on the inwall of described water inlet pipe (7)
The upper internal diameter near described pump chamber (6) one end more than the internal diameter away from described pump chamber (6) one end, described in enter
Be provided with water intaking valve (5) in water pipe (7), described water intaking valve (5) be positioned at described water inlet draw-in groove (10) with
And between described pump chamber (6),
Ring-type water outlet draw-in groove (11), described water outlet draw-in groove (11) it is provided with on the inwall of described outlet pipe (9)
The upper internal diameter near described pump chamber (6) one end less than the internal diameter away from described pump chamber (6) one end, described in go out
Be provided with outlet valve (4) in water pipe (9), described water outlet draw-in groove (11) be positioned at described outlet valve (4) with
And between described pump chamber (6), the surface configuration of described leather cup (8) has polytetrafluoroethylene floor (81), described
Water inlet draw-in groove (10) is politef water inlet draw-in groove, and described water outlet draw-in groove (11) is that politef goes out
Water draw-in groove, described water intaking valve (5) is politef water intaking valve, and described outlet valve (4) is polytetrafluoroethyl-ne
Alkene outlet valve.
Suction filter pump the most according to claim 1, it is characterised in that described leather cup (8) is ternary second
Third leather cup.
Suction filter pump the most according to claim 1, it is characterised in that described pull lever (2) is that ferrum draws
Any one in lever, rustless steel pull lever or copper pull lever.
Suction filter pump the most according to claim 1, it is characterised in that described outlet valve (4) and institute
The shape stating water intaking valve (5) is cone, and the conical tip on described outlet valve (4) is towards described pump
Chamber (6), the conical bottom on described water intaking valve (5) is facing to described pump chamber (6).
Suction filter pump the most according to claim 1, it is characterised in that described outlet valve (4) and institute
The shape stating water intaking valve (5) is truncated cone-shaped, and described outlet valve (4) bottom surface that above area is less is towards institute
Stating pump chamber (6), the bigger bottom surface of the upper area of described water intaking valve (5) is towards described pump chamber (6).
Suction filter pump the most according to claim 4, it is characterised in that described water intaking valve (5) conical bottom
The diameter in face more than described more than internal diameter away from described pump chamber (6) one end in water inlet draw-in groove (10), described
The diameter of outlet valve (4) circular cone bottom surface is upper more than described water outlet draw-in groove (11) near described pump chamber (6)
The internal diameter of end.
Suction filter pump the most according to claim 5, it is characterised in that described water intaking valve (5) is upper close
The diameter of the bottom surface of described pump chamber (6) is more than on described water inlet draw-in groove (10) away from described pump chamber (6)
End internal diameter, described outlet valve (4) on away from described pump chamber (6) bottom surface diameter be more than described water outlet
The upper internal diameter near described pump chamber (6) one end of draw-in groove (11).
Suction filter pump the most according to claim 1, it is characterised in that the interior table of described water inlet pipe (7)
Polytetrafluoro is all scribbled on the inner surface of face, the inner surface of the described pump housing (3) and described outlet pipe (9)
Ethylene.
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 CN104343655A (en) | 2015-02-11 |
| CN104343655B true CN104343655B (en) | 2016-11-16 |
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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 |
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| CN (1) | CN104343655B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8525733U1 (en) * | 1985-09-10 | 1987-01-15 | Becker, Erich, 7812 Bad Krozingen | Diaphragm pump |
| GB8708417D0 (en) * | 1987-04-08 | 1987-05-13 | Eaton Sa Monaco | Electric pump |
| JPH0176574U (en) * | 1987-11-10 | 1989-05-24 | ||
| US8215930B2 (en) * | 2008-10-30 | 2012-07-10 | Phillips 66 Company | 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 |
-
2013
- 2013-07-30 CN CN201310324115.1A patent/CN104343655B/en active Active
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| Publication number | Publication date |
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| CN104343655A (en) | 2015-02-11 |
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