CN209025800U - A kind of three plunger water pump of super-pressure - Google Patents
A kind of three plunger water pump of super-pressure Download PDFInfo
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- CN209025800U CN209025800U CN201821482903.8U CN201821482903U CN209025800U CN 209025800 U CN209025800 U CN 209025800U CN 201821482903 U CN201821482903 U CN 201821482903U CN 209025800 U CN209025800 U CN 209025800U
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- plunger
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- water pump
- cushion block
- valve
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Abstract
The utility model provides three plunger water pump of super-pressure, including cabinet, valve seat, hubcap and rear cover；Crankshaft is equipped in hubcap, there are three connecting rods, the bottom of three connecting rods to connect by pin shaft with piston for installation on crankshaft；The lower section of piston is equipped with plunger cushion block, connects plunger below plunger cushion block, the upper end of plunger is arranged with upper prop plug sleeve, installs plunger ring between upper prop plug sleeve and plunger；The lower end of plunger is arranged in cylinder barrel, lower plunger bushing is equipped between plunger and cylinder barrel, the annular gap that the top of lower plunger bushing is formed between cylinder barrel and plunger, sealant is equipped in annular gap, the top of sealant is fixed by clamping pad, sealant is made of three-layer disc root ring and cushion block, and cushion block is arranged on the top outer side of top layer's packing ring；The bottom of plunger is equipped with water suction check valve and check valve of water drainage.It can guarantee the concentricity of plunger when utility model works, and by the sealant of specific structure, improve sealing performance, greasy property and service life.
Description
Technical field
The utility model relates to water pumps, in particular to three plunger water pump of super-pressure.
Background technique
Water pump is the machinery for conveying liquid or being pressurized liquid.It transmits the mechanical energy of prime mover or other external energies
To liquid, increase liquid energy, is mainly used to convey liquid to include water, oil, acid & alkali liquid, emulsion, suspended emulsion and liquid gold
Belong to etc..
Also liquid, admixture of gas and the liquid containing suspended solids be can transport.The technical parameter of pump performance has stream
Amount, suction, lift, shaft power, water power, efficiency etc.；The classes such as volume water pump, vane pump can be divided into according to different working principles
Type.Positive displacement pump is to transmit energy using the variation of its swept volume of a single chamber；Vane pump is the phase interaction using rotary vane and water
For transmitting energy, there are the types such as centrifugal pump, axial-flow pump and mixed-flow pump.
Super-pressure water pump is the common high pressure water power source device of modern industry, is widely used in coal, mine, metallurgy, iron
The fields such as road, lathe, the mechanical, cleaning of pressure testing.All the time, the research and development of domestic high-pressure hydraulic pump are mainly to convert foreign technology
It is main, it is digested and is absorbed on the basis of introduction of foreign technology, but there is no the real core technology of high-pressure hydraulic pump is grasped, especially
It is inhaled, the deficiency of drain valve technical aspect in plunger seal, leads to that product service life is short, operation noise is big, volumetric efficiency
Low defect is unable to satisfy the requirement of high-end industry.
Utility model content
Solve that existing high-pressure plunger pump seal is poor, and leak is tight the technical problem to be solved by the present invention is to provide one kind
Weight, three plunger water pump of super-pressure of working efficiency the problems such as high life is not short.
In order to achieve the above objectives, the technical solution of the utility model is as follows:
Three plunger water pump of super-pressure including cabinet, is arranged in the valve seat of the bottom of box, the hubcap of top of the box is arranged in
And the rear cover above hubcap is set；Crankshaft is equipped in the hubcap, there are three connecting rod, three connecting rods for installation on crankshaft
Bottom extend into cabinet, the bottoms of three connecting rods is connect by pin shaft with piston；The lower section of piston is equipped with plunger cushion block, column
Plunger is connected below choker block block, the upper end of plunger is arranged with upper prop plug sleeve, installs plunger ring between upper prop plug sleeve and plunger；Plunger
Lower end be arranged in cylinder barrel, between plunger and cylinder barrel be equipped with lower plunger bushing, the top of lower plunger bushing is between cylinder barrel and plunger
The annular gap of formation is equipped with sealant in annular gap, and the top of sealant is fixed by clamping pad, and sealant is by three-layer disc
Root ring and cushion block composition, the stacked setting of three-layer disc root ring, cushion block are arranged on the top outer side of top layer's packing ring；Plunger
Bottom is equipped with water suction check valve and check valve of water drainage.
In one embodiment of the utility model, sealing shroud is equipped between piston and plunger cushion block.
In one embodiment of the utility model, pressure spring is equipped between upper prop plug sleeve bottom and box house mounting surface.
In one embodiment of the utility model, packing ring is made of aramid fiber and carbon fibre shuffling.
In one embodiment of the utility model, cushion block is made of ultra high molecular polyethylene material.
In one embodiment of the utility model, crankshaft is mounted in hubcap by bearing.
In one embodiment of the utility model, water suction check valve is by valve body, water suction valve block, suction valve flat spring group
At.
In one embodiment of the utility model, check valve of water drainage is by valve body, draining valve pad, draining valve pad spring, row
Water valve guide holder composition.
In one embodiment of the utility model, water suction valve block and draining valve pad avigation piece heat-resistance stainless steel material system
At.
In one embodiment of the utility model, plunger is equipped with base pressure water-stop.
Through the above technical solutions, the beneficial effects of the utility model are:
The utility model by piston actuator plunger cushion block, plunger ring and plunger bushing assembly, adjust automatically plunger and
The concentricity of plunger bushing, improves service life and working efficiency；And by the sealant of specific structure, the sealing of water pump is improved
Performance, greasy property and service life.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the utility model top view；
Fig. 2 is the utility model transverse sectional view；
Fig. 3 is the enlarged drawing of A in Fig. 2；
Fig. 4 is the enlarged drawing of B in Fig. 2；
Fig. 5 is the utility model cooling principle Fig. 1；
Fig. 6 is the utility model cooling principle Fig. 2；
Fig. 7 is the utility model sectional view；
10, cabinet 20, valve seat 30, hubcap 31, bearing 40, rear cover 50, crankshaft 60, connecting rod 61, pin shaft 70,
Piston 80, plunger cushion block 90, plunger 91, upper prop plug sleeve 92, base pressure water-stop 93, lower plunger bushing 100, plunger ring
110, cylinder barrel 120, sealant 121, packing ring 122, cushion block 123, clamping pad 130, valve body 140, water suction valve block 150,
Suction valve flat spring 160, draining valve pad 170, draining valve pad spring 180, drain valve guide holder 190, sealing shroud 200, pressure
Spring 210, plunger waterway 220, crankcase waterway.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
Face combines and is specifically illustrating, and the utility model is further described.
Referring to FIG. 1 to FIG. 4, the utility model discloses three plunger water pumps of super-pressure, including cabinet 10, setting are in case
The valve seat 20 of body bottom, the hubcap 30 that top of the box is set and the rear cover 40 being arranged in above hubcap.
Crankshaft 50 is equipped in hubcap 30, crankshaft 50 is mounted in hubcap 30 by bearing 31, one end of crankshaft 50 from
30 side of hubcap is stretched out, and one end of stretching is equipped with flat key slot, can pass through the devices such as belt pulley or shaft coupling and external drive
Motor connection, for driving pump operation.
There are three connecting rod 60, the bottom of three connecting rods 60 is extend into cabinet 10 for installation on crankshaft 50, three connecting rods 60
Bottom is connect by pin shaft 61 with piston 70；The lower section of piston 70 is equipped with plunger cushion block 80, connects plunger below plunger cushion block 80
90, the upper end of plunger 90 is arranged with upper prop plug sleeve 91, and plunger 90 is equipped with base pressure water-stop 92, upper prop plug sleeve 91 and plunger 90 it
Between install plunger ring 100；When work, connecting rod 60 drives plunger cushion block 80, plunger ring 100 and upper prop plug sleeve 91 by piston 70
Assembly, the concentricity of adjust automatically tungsten carbide plunger 90 and upper prop plug sleeve 91, moves reciprocatingly in upper prop plug sleeve 91.
The lower end of plunger 90 is arranged in cylinder barrel 110, and lower plunger bushing 93, lower plunger are equipped between plunger 90 and cylinder barrel 110
The annular gap that 93 top is formed between cylinder barrel 110 and plunger 90 is covered, is equipped with sealant 120, sealant in annular gap
120 top is fixed by clamping pad 123, and sealant 120 is made of three-layer disc root ring 121 and cushion block 122, three-layer disc root ring
121 stacked settings, cushion block 122 are arranged on the top outer side of top layer's packing ring 121；When work, generated using water pump
High pressure makes lower plunger bushing 93 apply pressure cooperation cushion block 122 to three-layer disc root ring 121 automatically, make 121 internal diameter of packing ring automatically with
90 outside diameter seal of tungsten carbide plunger makes the sealant have self-sealing, cooperates the plunger waterway 210 of cylinder body, every layer of sealing
The water that layer leakage comes can all cool down it, and because its coefficient of heat conduction is small, the heat of cylinder barrel 110 and lower plunger bushing 93
Amount is not easy to pass on sealant.
Referring to shown in Fig. 5 to Fig. 7, the cooling procedure of the utility model is as follows:
Cold water outlet is intake from the base pressure of high-pressure pump flows into water cooling water outlet connector-C, by water pipe be connected to crankcase it is cooling into
Water swivel-D, it is cooling to the lubricating oil in crankcase by crankcase waterway 220, then from crankcase cooling water outlet connector-E
By water pipe, plunger waterway water supply connector-F is flowed to, comes into full contact with cooling with reciprocal plunger 90 in plunger waterway, then
Five-way joint-H is flowed to from plunger waterway water outlet connector-G, is finally discharged from cooling water water outlet connector-I.
The three-layer disc root ring 121 made of aramid fiber and carbon fibre shuffling of sealant 120 and and high temperature resistant, antifriction
Cushion block 122 made of the supra polymer that Ca, Fan tool intensity are high, self-lubricating property is good forms；Such combination sealing has excellent
Sealing performance and self-lubricating property, from cooling performance, ensure that long service life.
In the suction of valve seat 20, drainage cavity the position of corresponding three plungers 90 there are three inhale, draining valve body 130, plunger 90
Bottom is equipped with water suction check valve and check valve of water drainage；Check valve absorb water by valve body 130, water suction valve block 140, suction valve flat spring
150 compositions, the valve are opened during pump sump, are closed in drainage procedure；Check valve of water drainage is by valve body 130, drain valve
Pad 160, draining valve pad spring 170, drain valve guide holder 180 form, which closes during pump sump, in drainage procedure
Middle opening.
It is equipped with sealing shroud 190 between the utility model piston 70 and plunger cushion block 80, improves sealing performance.
It is equipped with pressure spring 200 between 91 bottom of the utility model upper prop plug sleeve and 10 inboard mounting surface of cabinet, improves plunger
Stability after installation concentricity provides for good condition for plunger 90 and upper prop plug sleeve 91.
Water suction valve block and draining valve pad avigation piece heat-resistance stainless steel material are made, and sealing surface is made by fine gtinding,
This kind of valve block is set to have sealing characteristics good, the characteristics of long service life；Since sealing characteristics are good, air capacity pole that when water suction sucks
Small, the quick-fried phenomenon of high pressure water mitigates significantly, cavitation and running noises when effectively reducing water pump operation.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (10)
1. three plunger water pump of super-pressure, including cabinet, valve seat that the bottom of box is set, be arranged in the hubcap of top of the box with
And the rear cover above hubcap is set；It is characterized in that, being equipped with crankshaft in the hubcap, there are three connect for installation on crankshaft
The bottom of bar, three connecting rods is extend into cabinet, and the bottom of three connecting rods is connect by pin shaft with piston；The lower section of piston is equipped with
Plunger cushion block, plunger cushion block lower section connect plunger, and the upper end of plunger is arranged with upper prop plug sleeve, installs between upper prop plug sleeve and plunger
Plunger ring；The lower end of plunger is arranged in cylinder barrel, and lower plunger bushing is equipped between plunger and cylinder barrel, and the top of lower plunger bushing is cylinder barrel
The annular gap formed between plunger is equipped with sealant in annular gap, and the top of sealant is fixed by clamping pad, seals
Layer is made of three-layer disc root ring and cushion block, and the top outer of top layer's packing ring is arranged in the stacked setting of three-layer disc root ring, cushion block
Bian Shang；The bottom of plunger is equipped with water suction check valve and check valve of water drainage.
2. three plunger water pump of super-pressure according to claim 1, which is characterized in that be equipped between piston and plunger cushion block close
Big envelope.
3. three plunger water pump of super-pressure according to claim 1, which is characterized in that upper prop plug sleeve bottom and box house are pacified
Pressure spring is equipped between dress face.
4. three plunger water pump of super-pressure according to claim 1, which is characterized in that packing ring is fine by aramid fiber and carbon
Dimension shuffling is made.
5. three plunger water pump of super-pressure according to claim 1, which is characterized in that cushion block is by ultra high molecular polyethylene material
It is made.
6. three plunger water pump of super-pressure according to claim 1, which is characterized in that crankshaft is mounted on hubcap by bearing
It is interior.
7. three plunger water pump of super-pressure according to claim 1, which is characterized in that water suction check valve is by valve body, suction valve
Piece, suction valve flat spring composition.
8. three plunger water pump of super-pressure according to claim 1, which is characterized in that check valve of water drainage is by valve body, drain valve
Pad, draining valve pad spring, drain valve guide holder composition.
9. three plunger water pump of super-pressure according to claim 1, which is characterized in that water suction valve block and draining valve pad avigation piece
Heat-resistance stainless steel material is made.
10. three plunger water pump of super-pressure according to claim 1, which is characterized in that plunger is equipped with base pressure water-stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821482903.8U CN209025800U (en) | 2018-09-11 | 2018-09-11 | A kind of three plunger water pump of super-pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821482903.8U CN209025800U (en) | 2018-09-11 | 2018-09-11 | A kind of three plunger water pump of super-pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209025800U true CN209025800U (en) | 2019-06-25 |
Family
ID=66877101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821482903.8U Active CN209025800U (en) | 2018-09-11 | 2018-09-11 | A kind of three plunger water pump of super-pressure |
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| Country | Link |
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| CN (1) | CN209025800U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162883A (en) * | 2018-09-11 | 2019-01-08 | 上海水威环境技术股份有限公司 | A kind of three plunger water pump of super-pressure |
-
2018
- 2018-09-11 CN CN201821482903.8U patent/CN209025800U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162883A (en) * | 2018-09-11 | 2019-01-08 | 上海水威环境技术股份有限公司 | A kind of three plunger water pump of super-pressure |
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