CN103470464B - A kind of high pressure plunger water pump - Google Patents
A kind of high pressure plunger water pump Download PDFInfo
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- CN103470464B CN103470464B CN201310378994.6A CN201310378994A CN103470464B CN 103470464 B CN103470464 B CN 103470464B CN 201310378994 A CN201310378994 A CN 201310378994A CN 103470464 B CN103470464 B CN 103470464B
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- lining
- water
- high pressure
- annular seal
- plunger
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Abstract
A kind of high pressure plunger water pump, if it includes that the pump housing, bent axle connect connecting rod, some plungers and the dry sleeve corresponding with some plungers with bent axle.Each plunger can move reciprocatingly under the bent axle drive with connecting rod in each lining.Each lining is separated to form working chamber and and annular seal space.It is provided with on the pump housing and lining water intaking valve one to one and outlet valve and one group of water inlet and outlet.The input of water intaking valve connects with water inlet, and outfan connects with the working chamber of corresponding lining.The input of outlet valve connects with the working chamber of corresponding lining, and outfan connects with outlet.The return flow line connected with water inlet it is provided with on the pump housing.It is provided with the through hole connected by the two annular seal space on the sidewall of adjacent two linings, and the annular seal space of one of them lining connects with return flow line.The present invention is provided with on lining the through hole connected with annular seal space, return flow line and inlet opening, thus effectively prevents water from entering transmission case.
Description
Technical field
The present invention relates to a kind of electromechanical equipment technical field, particularly to a kind of Novel high-pressure plunger piston
Water pump.
Background technology
At present, known high pressure plunger water pump is by plunger, inlet valve, dump valve and crank
Linkage forms.Plunger is tried hard to recommend under moving reciprocating to change the volume in working chamber outside
And pressure.When forming negative pressure in working chamber, in storage tank, liquid is in inlet valve enters working chamber.
When the motion of piston reciprocation opens and closes and sucks with discharge van, work intracavity liquid is by squeezing
Pressure makes work cavity pressure increase, and makes liquid be discharged by dump valve.Plunger water pump exists at present
Subject matter is that the viscosity of liquid (such as, water) is low, only the 1/50 of oil, and lubricant effect is poor,
Thus cause system easily to leak, the problem such as the working condition of friction pair is severe.
Summary of the invention
For the deficiencies in the prior art, the purpose of the present invention is intended to provide one to prevent outward leakage
High pressure plunger water pump.
For achieving the above object, the present invention adopts the following technical scheme that
A kind of high pressure plunger water pump, it includes that the pump housing, bent axle are connected connecting rod, some with bent axle
If plunger and the dry sleeve corresponding with some plungers.Each plunger is connected with connecting rod and at bent axle
Move reciprocatingly in each lining with under the drive of connecting rod.Each lining is separated to form working chamber
The annular seal space being connected with working chamber.Be provided with on the pump housing with lining water intaking valve one to one with go out
Water valve, the pump housing is provided with a water inlet and outlet.The input of water intaking valve is with water inlet even
Logical, the working chamber connection of the lining that outfan is corresponding.The input of outlet valve is corresponding
Lining working chamber connection, outfan connects with outlet.It is provided with one on the pump housing and intakes
The return flow line of mouth connection.It is provided with annular seal space both it on the sidewall of adjacent two linings
The through hole of connection, and the annular seal space of one of them lining connects with return flow line.
The present invention has the advantage that
1. plunger uses coating composite construction, has advantage antirust, wear-resisting, that hardness is high；With
Time, the advantage that chromium coating has good heat conductivity, it is to avoid thermal stress, make the use longevity of plunger 4
Life is greatly increased, job stability is high.
2. water intaking valve uses through-flow structure of crescent with the nonreturn valve core of outlet valve so that pass through
Water intaking valve increases with the flow of outlet valve, can more rapid water suction and draining.
3. the lining of three groups of plungers is provided with the through hole making three annular seal space connections, and through hole passes through
Return flow line connects with inlet opening, thus effectively prevents water from entering transmission case, reduces drive mechanism
The possibility broken down.
4. three groups of plunger associated movements, so that the flow of high pressure plunger water pump is more uniform.
Accompanying drawing explanation
Fig. 1 is the structural representation of high pressure plunger water pump of the present invention.
Fig. 2 is the top view of high pressure plunger water pump shown in Fig. 1.
Fig. 3 is the left view of high pressure plunger water pump shown in Fig. 1.
Fig. 4 is that high pressure plunger water pump shown in Fig. 1 is along the sectional view in A-A direction.
Main element symbol description
100, high pressure plunger water pump；1, the pump housing；2, bent axle；3, connecting rod；4, plunger；
40, matrix；5, oil seal circle；6, lining；7, waterstop ring；8, water intaking valve；9、
Outlet valve；10, inlet opening；11, apopore；12, nonreturn valve core；13, working chamber；14、
Annular seal space；15, transmission case；16, return flow line；17, water inlet；18, outlet；19、
Movable chamber.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described further:
Refer to Fig. 1 and Fig. 2, the present invention relates to a kind of high pressure plunger water pump 100.This is preferable
The high pressure plunger water pump 100 of embodiment includes the pump housing 1, bent axle 2, connecting rod 3 and arranges
Three plungers 4 in the pump housing 1 and three linings 6.Transmission case 15 it is provided with in the pump housing 1.
Bent axle 2 and connecting rod 3 may be contained within transmission case 15.Each plunger 4 is arranged in lining 6
And move reciprocatingly in lining 6 under bent axle 2 with the effect of connecting rod 3.
Three linings 6 side by side and are arranged at intervals in the pump housing 1.In each lining 6, interval is arranged
There are waterstop ring 7 and oil seal circle 5.Oil seal circle 5 is arranged at waterstop ring 7 and transmission case
Between 15, so that each lining 6 is separated to form three chambers.Three chambers include position
The work that movable chamber 19 is relative with movable chamber 19 between oil seal circle 5 with transmission case 15
Chamber 13, annular seal space 14 between working chamber 13 and movable chamber 19.Wherein, oil seal
Circle 5 and waterstop ring 7 are O RunddichtringO.The activity of each plunger 4 is contained in movable chamber
In 19.
Three groups and three linings 6 water intaking valve 8 and outlet valves one to one it are provided with in the pump housing 1
9, inlet opening 10, apopore 11, return flow line 16, water inlet 17 and outlet 18.
The most in the lump referring to Fig. 3 and Fig. 4, water intaking valve 8 and the nonreturn valve core 12 in outlet valve 9
For through-flow structure of crescent.The nonreturn valve core 12 of crescent shape makes water intaking valve 8 and outlet valve 9
Flow area and spool spigot surface all increase, and then increase water intaking valve 8 and outlet valve 9
Flow, makes nonreturn valve core 12 stable and realizes quickly water suction and draining.
The input of water intaking valve 8 is connected with water inlet 17 by inlet opening 10, water intaking valve 8
Outfan connects with the working chamber 13 of corresponding lining 6.The input of outlet valve 9 with
The working chamber 13 of the lining 6 of its correspondence connects, and the outfan of outlet valve 9 passes through apopore 11
Connect with outlet 18.
Return flow line 16 is arranged at the bottom of the pump housing 1 and connects with inlet opening 10.The most adjacent two
Individual lining 6 be provided with on the sidewall between oil seal circle 5 and waterstop ring 7 by its two
The through hole 61 of person's working chamber 13 connection.With bottom the pump housing 1 in three linings 6
Through hole 61 on lining 6 connects with return flow line 16, so that the three of three linings 6 close
Envelope chamber 14, return flow line 16 and inlet opening 10 realize being interconnected.
Each plunger 4 includes matrix 40.The material of matrix 40 is bearing steel.Each matrix 40
Pass sequentially through power frequency heat hardening, chrome-faced, grinding and glossing to make, so that compound
The plunger 4 that material is constituted has case hardness height, core good toughness, wear-resisting and non-friable excellent
Point.Simultaneously as the chromium coating on plunger 4 surface has corrosion-resistant, wear-resistant and heat conductivity
The advantage that energy is good, thus when plunger 4 is when moving back and forth, because of fricative heat energy
Quickly pass, it is to avoid thermal stress.
Operationally, bent axle 2 and connecting rod 3, under the effect of power source, drive three groups of plungers 4
Move reciprocatingly in corresponding lining 6 with 120 degree of phase contrasts.When plunger 4 is near transmission
During case 15 1 lateral movement, the volume in working chamber 13 increases and pressure reduces.Now, water exists
The nonreturn valve core 12 pushing water intaking valve 8 under external pressure effect open initially enters in working chamber 13.
When plunger 4 is to during away from transmission case 15 1 lateral movement, and in working chamber 13, pressure increases.Now,
Water intaking valve 8 is closed by the nonreturn valve core 12 of water intaking valve 8 under spring force, and water passes through
Outlet valve 9 is transported to apopore 11.When be positioned at upstream lining 6 waterstop ring 7 because of mill
When leakage occurs in damage, aging etc., water leakage will be positioned on annular seal space 14 neck bush 6 successively
Through hole 61 and downstream lining 6 on the backflow guiding the lower inflow pump housing 1 of through hole 61
In passage 16 and inlet opening 10, it is achieved oil-water separation is entrance transmission case 15 in case stopping leak leaks
In.
Mesohigh plunger water pump 100 of the present invention has the advantages that
1. plunger 4 uses coating composite construction, has advantage antirust, wear-resisting, that hardness is high；
Meanwhile, the advantage that chromium coating has good heat conductivity, it is to avoid thermal stress, makes the use of plunger 4
Life-span is greatly increased, job stability high.
2. water intaking valve 8 uses through-flow structure of crescent with the nonreturn valve core 12 of outlet valve 9,
Make to be increased by the flow of water intaking valve 8 with outlet valve 9, can more rapid water suction and draining.
3. the lining 6 of three groups of plungers 4 is provided with the through hole 61 making three annular seal space 14 connections,
Through hole 61 is connected with inlet opening 10 by return flow line 16, thus effectively prevents water from entering and pass
Dynamic case 15, reduces the possibility that drive mechanism breaks down.
4. three groups of plungers 4 associated movement, so that the flow of high pressure plunger water pump 100 is more equal
Even.
For a person skilled in the art, can technical scheme as described above and structure
Think, make other various corresponding changes and deformation, and all these changes and deformation
Within all should belonging to the protection domain of the claims in the present invention.
Claims (5)
1. a high pressure plunger water pump, if it includes the connecting rod that the pump housing, bent axle are connected with bent axle
If dry plunger and the dry sleeve corresponding with some plungers, in the pump housing, it is provided with transmission case,
Bent axle and connecting rod may be contained within transmission case, each plunger be connected with connecting rod and at bent axle and
Move reciprocatingly in each lining under the drive of connecting rod, it is characterised in that: each lining
It is separated to form working chamber and the annular seal space being connected with working chamber, the pump housing is provided with and lining
Water intaking valve and outlet valve one to one, the pump housing is provided with a water inlet and outlet；
The input of water intaking valve connects with water inlet, outfan and the work of corresponding lining
Chamber connects；The input of outlet valve connects with the working chamber of corresponding lining, output
End connects with outlet；A return flow line connected with water inlet, phase it is provided with on the pump housing
It is provided with the through hole of annular seal space connection both it on the sidewall of adjacent two linings, and its
In the annular seal space of a lining connect with return flow line；Each lining sets in working chamber side
There is waterstop ring, and between waterstop ring and transmission case, be provided with oil seal circle, annular seal space
Set by waterstop ring and oil seal corral and formed.
2. high pressure plunger water pump as claimed in claim 1, it is characterised in that: high pressure plunger water pump
Including three groups of plungers and three linings corresponding with three groups of plungers, three of three linings close
Envelope chamber is connected from top to bottom by through hole and is passed through return flow line and connects with water inlet.
3. high pressure plunger water pump as claimed in claim 1, it is characterised in that: each two through hole divides
It is not arranged on the sidewall of each lining opposite end and between annular seal space.
4. high pressure plunger water pump as claimed in claim 1, it is characterised in that: water intaking valve and water outlet
The nonreturn valve core of valve is through-flow structure of crescent.
5. high pressure plunger water pump as claimed in claim 1, it is characterised in that: plunger includes matrix,
The material of matrix is rustless steel, and each matrix successively through power frequency heat hardening, chrome-faced,
Grinding and glossing are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310378994.6A CN103470464B (en) | 2013-08-27 | 2013-08-27 | A kind of high pressure plunger water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310378994.6A CN103470464B (en) | 2013-08-27 | 2013-08-27 | A kind of high pressure plunger water pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103470464A CN103470464A (en) | 2013-12-25 |
| CN103470464B true CN103470464B (en) | 2016-12-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310378994.6A Active CN103470464B (en) | 2013-08-27 | 2013-08-27 | A kind of high pressure plunger water pump |
Country Status (1)
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| CN (1) | CN103470464B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112343781B (en) * | 2020-10-06 | 2021-08-20 | 华中科技大学 | Self-crushing plunger type sewage pump |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2869375Y (en) * | 2005-11-11 | 2007-02-14 | 李铮 | Coated stainless steel seal-ring-free plunger metering pump |
| CN201306272Y (en) * | 2008-11-11 | 2009-09-09 | 黄山泰安达机电科技有限公司 | Super-voltage triple plunger pump |
| CN201953640U (en) * | 2010-12-17 | 2011-08-31 | 苏州黑猫(集团)有限公司 | Double-water-seal sealing structure of plunger pump |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1446634A (en) * | 1973-11-15 | 1976-08-18 | Neumo Ltd | Valve |
| JP2001138022A (en) * | 1999-11-05 | 2001-05-22 | Toshiba Mach Co Ltd | Plunger sleeve for die casting machine and plunger tip |
| CN1566632A (en) * | 2003-06-28 | 2005-01-19 | 梁小恩 | Ternate plunger pump for high pressure industry |
| CN101059127A (en) * | 2007-05-31 | 2007-10-24 | 梁小恩 | Superhigh pressure three-cylinder plunger pump |
| CN101608607A (en) * | 2009-07-03 | 2009-12-23 | 梁福根 | A kind of ultrahigh pressure plunger pump |
-
2013
- 2013-08-27 CN CN201310378994.6A patent/CN103470464B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2869375Y (en) * | 2005-11-11 | 2007-02-14 | 李铮 | Coated stainless steel seal-ring-free plunger metering pump |
| CN201306272Y (en) * | 2008-11-11 | 2009-09-09 | 黄山泰安达机电科技有限公司 | Super-voltage triple plunger pump |
| CN201953640U (en) * | 2010-12-17 | 2011-08-31 | 苏州黑猫(集团)有限公司 | Double-water-seal sealing structure of plunger pump |
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| Publication number | Publication date |
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| CN103470464A (en) | 2013-12-25 |
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Address after: 518000 Shenzhen District, Longgang, Guangdong province Bantian Street Zhongxing Road, Gao Shi Group B plant B District interconnection E era 5 floor A area Patentee after: SHENZHEN BIOSUN ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Address before: Kang Road Buji Danzhu industrial zone of Longgang District of Shenzhen City, Guangdong Province, No. 2, 518114 power group comprehensive building 8 floor Patentee before: Shenzhen Biosun Technology Development Co., Ltd. |
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