CN103470464A - High-pressure plunger pump - Google Patents
High-pressure plunger pump Download PDFInfo
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- CN103470464A CN103470464A CN2013103789946A CN201310378994A CN103470464A CN 103470464 A CN103470464 A CN 103470464A CN 2013103789946 A CN2013103789946 A CN 2013103789946A CN 201310378994 A CN201310378994 A CN 201310378994A CN 103470464 A CN103470464 A CN 103470464A
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Abstract
A high-pressure plunger pump comprises a pump body, a crankshaft, a link connected with the crankshaft, a plurality of plungers, and a plurality of bushings corresponding to the plungers. Each plunger can be driven by the crankshaft and the link to reciprocate inside the corresponding bushing. Each bushing is divided into an operating cavity and a sealed cavity. The pump body is provided with inlet valves, outlet valves, a group of water inlets and a group of water outlets, wherein the inlet valves and the outlet valves are in one-to-one correspondence to the bushings. The inlet end of each inlet valve is communicated with the corresponding water inlet, and the outlet end of the each inlet valve is communicated with the operating cavity of the corresponding bushing. The inlet end of each outlet valve is communicated with the operating cavity of the corresponding bushing, and the outlet end of each outlet valve is communicated with the corresponding water outlet. The pump body is provided with a backflow passage communicated with the water inlets. The side walls of each two adjacent bushings are provided with through holes whereby the sealed cavities of the bushings, wherein the sealed cavity of one bushing is communicated with the backflow passage. The bushings are provided with the through holes communicated with the sealed cavities, the backflow passage and the water inlets, so that water is effectively prevented from entering a transmission case.
Description
Technical field
The present invention relates to a kind of electromechanical equipment technical field, particularly a kind of Novel high-pressure plunger piston water pump.
Background technique
At present, known high pressure plunger water pump is comprised of plunger, suction valve, expulsion valve and connecting rod.Plunger is tried hard to recommend moving lower reciprocating to change volume and the pressure in active chamber outside.While in active chamber, forming negative pressure, in storage tank, liquid is in suction valve enters active chamber.When the reciprocal motion of plunger opens and closes suction with delivery valve, the work intracavity liquid is squeezed the active chamber internal pressure is increased, and liquid is discharged by expulsion valve.The subject matter that plunger water pump exists at present is that the viscosity of liquid (for example, water) is low, only has 1/50 of oil, and lubrication effect is poor, thereby causes the problems such as system is easily leaked, the working condition of friction pair is severe.
Summary of the invention
For the deficiencies in the prior art, purpose of the present invention is intended to provide a kind of high pressure plunger water pump that prevents outward leakage.
For achieving the above object, the present invention adopts following technological scheme:
A kind of high pressure plunger water pump, it comprises the pump housing, bent axle, with bent axle, connects connecting rod, some plungers and some linings corresponding with some plungers.Each plunger is connected with connecting rod and moves reciprocatingly in each lining under the drive of bent axle and connecting rod.Each lining is separated to form the Seal cage that active chamber is connected with active chamber.Be provided with on the pump housing and lining inlet valve and outlet valve one to one, be provided with a water intake and water outlet on the pump housing.The input end of inlet valve is communicated with water intake, and the active chamber of the lining that output terminal is corresponding with it is communicated with.The active chamber of the lining that the input end of outlet valve is corresponding with it is communicated with, and output terminal is communicated with water outlet.Be provided with a return flow line be communicated with water intake on the pump housing.Be provided with the through hole that its two Seal cage is communicated with on the sidewall of adjacent two linings, and the Seal cage of one of them lining is communicated with return flow line.
In the present invention, have the following advantages:
1. plunger adopts the coating composite structure, have advantages of antirust, wear-resisting, hardness is high; Simultaneously, chromium coating has advantages of good heat conductivity, avoids thermal stress, is greatly increased the working life of plunger 4, working stability is high.
2. the nonreturn valve core of inlet valve and outlet valve adopts through-flow structure of crescent shape, makes the flow by inlet valve and outlet valve increase, and can absorb water more fast and draining.
3. the lining of three groups of plungers is provided with the through hole that three Seal cages are communicated with, and through hole is communicated with water inlet by return flow line, thereby effectively anti-sealing enters transmission case, reduces the possibility that driving mechanism breaks down.
4. three groups of plunger associated movements, thus make the flow of high pressure plunger water pump more even.
The accompanying drawing explanation
The structural representation that Fig. 1 is high pressure plunger water pump of the present invention.
The plan view that Fig. 2 is high pressure plunger water pump shown in Fig. 1.
The left view that Fig. 3 is 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 of A-A direction.
The primary component 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, inlet valve; 9, outlet valve; 10, water inlet; 11, osculum; 12, nonreturn valve core; 13, active chamber; 14, Seal cage; 15, transmission case; 16, return flow line; 17, water intake; 18, water outlet; 19, movable chamber.
Embodiment
Below in conjunction with accompanying drawing and embodiment, 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.The high pressure plunger water pump 100 of this better embodiment comprises the pump housing 1, bent axle 2, connecting rod 3 and is arranged at three plungers 4 and three linings 6 in the pump housing 1.Be provided with transmission case 15 in the pump housing 1.Bent axle 2 all is arranged in transmission case 15 with connecting rod 3.Each plunger 4 is arranged in lining 6 and under the effect of bent axle 2 and connecting rod 3 and moves reciprocatingly in lining 6.
Three linings 6 side by side and be arranged at intervals in the pump housing 1.Be arranged at intervals with waterstop ring 7 and oil seal circle 5 in each lining 6.Oil seal circle 5 is arranged between waterstop ring 7 and transmission case 15, thereby makes each lining 6 be separated to form three chambers.Three chambers comprise movable chamber 19, the active chamber 13 relative with movable chamber 19, the Seal cage 14 between active chamber 13 and movable chamber 19 between oil seal circle 5 and transmission case 15.Wherein, oil seal circle 5 is the O RunddichtringO with waterstop ring 7.Each plunger 4 activity is contained in movable chamber 19.
In the pump housing 1, be provided with three groups with three linings 6 inlet valve 8 and outlet valve 9, water inlet 10, osculum 11, return flow line 16, water intake 17 and water outlet 18 one to one.
Please, in the lump referring to Fig. 3 and Fig. 4, inlet valve 8 is through-flow structure of crescent shape with the nonreturn valve core 12 in outlet valve 9.The nonreturn valve core 12 of crescent shape all increases inlet valve 8 and flow area and the spool guide surface of outlet valve 9, and then increases the flow of inlet valve 8 and outlet valve 9, makes nonreturn valve core 12 stable and realize water suction and draining fast.
The input end of inlet valve 8 is communicated with water intake 17 by water inlet 10, active chamber 13 connections of the output terminal of inlet valve 8 and the lining 6 corresponding with it.The active chamber 13 of the lining 6 that the input end of outlet valve 9 is corresponding with it is communicated with, and the output terminal of outlet valve 9 is communicated with water outlet 18 by osculum 11.
Each plunger 4 comprises matrix 40.The material of matrix 40 is Bearing Steel.Each matrix 40 is made by power frequency heat hardening, chrome-faced, grinding and glossing successively, thereby the plunger 4 that composite material is formed has advantages of that surface hardness is high, core good toughness, wear-resisting and non-friable.Simultaneously, because the chromium coating on plunger 4 surfaces has advantages of corrosion-resistant, wear-resistant and good heat conductivity, thereby when plunger 4 when moving back and forth, because fricative heat can pass fast, avoid thermal stress.
When work, bent axle 2, drives three groups of plungers 4 and moves reciprocatingly in corresponding lining 6 with 120 degree phase differences with connecting rod 3 under the effect of power source.When plunger 4, to when transmission case 15 1 lateral movement, the volume in active chamber 13 increases and pressure reduces.Now, the nonreturn valve core 12 that water is externally pushed inlet valve 8 under pressure-acting open starts to enter in active chamber 13.When plunger 4, to away from transmission case 15 1 lateral movement the time, active chamber 13 internal pressures increase.Now, the nonreturn valve core 12 of inlet valve 8 is closed inlet valve 8 under the effect of spring force, and water is transported to osculum 11 through outlet valve 9.When the waterstop ring 7 of the lining 6 that is positioned at upstream occurs leaking because of wearing and tearing, aging etc., water leakage will be successively flows into the 16Yu water inlet, return flow line 10 of the pump housing 1 under the guiding that is positioned at through hole 61 on Seal cage 14 neck bushs 6 and the through hole 61 on downstream lining 6, realizes oil-water separation in case stopping leak leaks enters in transmission case 15.
Mesohigh plunger water pump 100 of the present invention has following beneficial effect:
1. plunger 4 adopts the coating composite structures, have advantages of antirust, wear-resisting, hardness is high; Simultaneously, chromium coating has advantages of good heat conductivity, avoids thermal stress, is greatly increased the working life of plunger 4, working stability is high.
2. inlet valve 8 adopts through-flow structure of crescent shape with the nonreturn valve core 12 of outlet valve 9, makes by inlet valve 8 and the flow of outlet valve 9 and increases, and can absorb water more fast and draining.
3. the lining 6 of three groups of plungers 4 is provided with the through hole 61 that three Seal cages 14 are communicated with, and through hole 61 is communicated with by 16Yu water inlet, return flow line 10, thereby effectively anti-sealing enters transmission case 15, reduces the possibility that driving mechanism breaks down.
4. three groups of plunger 4 associated movements, thus make the flow of high pressure plunger water pump 100 more even.
For a person skilled in the art, can make other various corresponding changes and distortion according to technological scheme described above and design, and these all changes and the distortion all should belong to the protection domain of the claims in the present invention within.
Claims (6)
1. a high pressure plunger water pump, it comprises the pump housing, bent axle, the connecting rod connected with bent axle, some plungers and the some linings corresponding with some plungers, each plunger is connected with connecting rod and moves reciprocatingly in each lining under the drive of bent axle and connecting rod, it is characterized in that: the Seal cage that each lining is separated to form active chamber and is connected with active chamber, be provided with on the pump housing and lining inlet valve and outlet valve one to one, be provided with a water intake and water outlet on the pump housing; The input end of inlet valve is communicated with water intake, and the active chamber of output terminal and the lining corresponding with it is communicated with; The active chamber of the input end of outlet valve and the lining corresponding with it is communicated with, and output terminal is communicated with water outlet; Be provided with a return flow line be communicated with water intake on the pump housing, be provided with the through hole that its two Seal cage is communicated with on the sidewall of adjacent two linings, and the Seal cage of one of them lining be communicated with return flow line.
2. high pressure plunger water pump as claimed in claim 1, it is characterized in that: each lining is provided with waterstop ring in active chamber one side, and is provided with the oil seal circle between waterstop ring and plunger, and Seal cage is established and is formed by waterstop ring and oil seal corral.
3. high pressure plunger water pump as claimed in claim 1, it is characterized in that: high pressure plunger water pump comprises that three groups of plungers reach and three groups of three linings that plunger is corresponding, and three Seal cages of three linings are communicated with from top to bottom by through hole and are communicated with water intake by return flow line.
4. high pressure plunger water pump as claimed in claim 1 is characterized in that: every two through holes are arranged at respectively on the sidewall of each lining opposite end and between Seal cage.
5. high pressure plunger water pump as claimed in claim 1, it is characterized in that: the nonreturn valve core of inlet valve and outlet valve is through-flow structure of crescent shape.
6. high pressure plunger water pump as claimed in claim 1, it is characterized in that: plunger comprises matrix, the material of matrix is stainless steel, and each matrix is made through power frequency heat hardening, chrome-faced, grinding and glossing successively.
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 true CN103470464A (en) | 2013-12-25 |
| CN103470464B CN103470464B (en) | 2016-12-28 |
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| 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 |
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| CN (1) | CN103470464B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112343781A (en) * | 2020-10-06 | 2021-02-09 | 华中科技大学 | Self-crushing plunger type sewage pump |
Citations (8)
| 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 |
| CN2869375Y (en) * | 2005-11-11 | 2007-02-14 | 李铮 | Coated stainless steel seal-ring-free plunger metering pump |
| CN101059127A (en) * | 2007-05-31 | 2007-10-24 | 梁小恩 | Superhigh pressure three-cylinder plunger 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 |
| CN101608607A (en) * | 2009-07-03 | 2009-12-23 | 梁福根 | A kind of ultrahigh pressure 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 |
-
2013
- 2013-08-27 CN CN201310378994.6A patent/CN103470464B/en active Active
Patent Citations (8)
| 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 |
| CN2869375Y (en) * | 2005-11-11 | 2007-02-14 | 李铮 | Coated stainless steel seal-ring-free plunger metering pump |
| CN101059127A (en) * | 2007-05-31 | 2007-10-24 | 梁小恩 | Superhigh pressure three-cylinder plunger 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 |
| CN101608607A (en) * | 2009-07-03 | 2009-12-23 | 梁福根 | A kind of ultrahigh pressure 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112343781A (en) * | 2020-10-06 | 2021-02-09 | 华中科技大学 | Self-crushing plunger type sewage pump |
| CN112343781B (en) * | 2020-10-06 | 2021-08-20 | 华中科技大学 | Self-crushing plunger type sewage pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103470464B (en) | 2016-12-28 |
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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. |