CN107091225A - Plunger pump pump cover, plunger pump and cleaning machine - Google Patents
Plunger pump pump cover, plunger pump and cleaning machine Download PDFInfo
- Publication number
- CN107091225A CN107091225A CN201710461020.2A CN201710461020A CN107091225A CN 107091225 A CN107091225 A CN 107091225A CN 201710461020 A CN201710461020 A CN 201710461020A CN 107091225 A CN107091225 A CN 107091225A
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- Prior art keywords
- water chamber
- hole
- port
- plunger
- connected entrance
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
A kind of plunger pump pump cover, provided with the first water chamber, second water chamber, it is spaced the first cavity wall of the first water chamber and the second water chamber, connect the first through hole of the first water chamber and the second water chamber, first plunger hole, second plunger hole, the first intercommunicating pore of the first plunger hole is extended to from the first water chamber, the second intercommunicating pore of the second plunger hole is extended to from the second water chamber, first water chamber is provided with first port, second water chamber is provided with second port, first through hole is tilted through the first cavity wall and towards first port, first through hole includes positioned at its opposite end and tilts relative the first connected entrance and the second connected entrance, first connected entrance is located between the second connected entrance and the first water chamber, second connected entrance is exposed to first port via the first connected entrance.The design facilitates instrument to remove the connected entrance of machine-shaping first and the further connected entrance of machine-shaping second via first port, will not leave unnecessary hole, is not required to extra closure material and closure process, reduces cost.
Description
【Technical field】
The present invention relates to a kind of plunger pump pump cover, corresponding plunger pump and corresponding cleaning machine.
【Background technology】
Plunger pump generally includes pump cover, the pump housing, oil cylinder, and general pump cover is typically provided with several water chambers arranged side by side, leads to
Directly run through these water chambers so that these water chambers are mutually communicated, because meeting is in pump cover side from pump cover side frequently with instrument
Face leaves a tooling hole, therefore also needs to additionally to increase a plug and block tooling hole, undoubtedly adds cost.
【The content of the invention】
Problem to be solved by this invention is to provide a kind of plunger pump pump cover reduced beneficial to cost.
In order to solve the above technical problems, the present invention is adopted the following technical scheme that：A kind of plunger pump pump cover, provided with the first water outlet
Chamber, the second water chamber, the first cavity wall of interval the first water chamber and the second water chamber, connect the first water chamber and the second water chamber
First through hole, the first plunger hole, the second plunger hole, the first intercommunicating pore for extending to from the first water chamber the first plunger hole, from
Second water chamber extends to the second intercommunicating pore of the second plunger hole, and the first water chamber is provided with first port, and the second water chamber is provided with
Second port, first port is located at the two opposite sides of the first water chamber with the first intercommunicating pore, and second port connects hole position with second
In the two opposite sides of the second water chamber, first through hole is tilted through the first cavity wall and towards first port, and first through hole includes
Positioned at its opposite end and tilt relative the first connected entrance and the second connected entrance, the first connected entrance be located at the second connected entrance with
Between first water chamber, the second connected entrance is exposed to first port via the first connected entrance.
The design first through hole is tilted through the first cavity wall and towards first port, and the second connected entrance is located at the first connection
Between mouth and the first water chamber, the second connected entrance is exposed to first port via the first connected entrance, facilitates instrument via first end
Mouth removes the connected entrance of machine-shaping first and the further connected entrance of machine-shaping second, will not leave unnecessary hole, it is not necessary to volume
Outer closure material and closure process, reduce cost.
Further, plunger pump pump cover also includes the second of the 3rd water chamber, the second water chamber of interval and the 3rd water chamber
Cavity wall, through the second cavity wall to connect the second through hole of the second water chamber and the 3rd water chamber, the outer end of the 3rd water chamber is provided with
3rd port, the second through hole includes positioned at its opposite end and tilts relative third connecting mouth and the 4th connected entrance, the 3rd
Connected entrance is located between the 4th connected entrance and the second water chamber, the 4th connected entrance via third connecting mouthful exposed to second port or
Person's third connecting mouthful is exposed to the 3rd port via the 4th connected entrance.
Further, first through hole axis parallel is in the second through hole axis, the first water chamber, the second water chamber,
Three water chambers are set up in parallel, and the second water chamber is located between the first water chamber and the 3rd water chamber.
Further, first through hole in the second through hole with being symmetrical arranged, the first water chamber, the second water chamber, the 3rd water outlet
Chamber is set up in parallel, and the 3rd water chamber is located between the first water chamber and the second water chamber.
Further, first through hole axis and the second through hole axis be in 80 degree to 100 degree angles, the first water chamber,
Second water chamber, the 3rd water chamber are set up in parallel, and the 3rd water chamber is located between the first water chamber and the second water chamber.
Further, first port, second port, the alignment of the 3rd port.
Further, first port, second port, the 3rd port are arranged in a row.
Further, first through hole is overlapping with the second through hole on one the 5th direction, the 5th direction and first through hole axis
Line is tilted, and the 5th direction is perpendicular to the first water chamber axis, and the 5th is oriented parallel to the first water chamber axis goes out with second
Plane where water cavity axis.
Further, the 4th connected entrance is exposed to second port via third connecting mouthful, and the second through hole is tilts towards the
The drilling of Two-port netwerk；Or, third connecting mouthful is exposed to the 3rd port via the 4th connected entrance, and the second through hole is tilts towards the
The drilling of three ports.
Further, the first water chamber, the second water chamber, the 3rd water chamber are set up in parallel, and the 3rd water chamber is located at first
Between water chamber and the second water chamber, first through hole be by drill bit through first port enter the first water chamber after get out, second lead to
Hole be by drill bit enter the second water chamber through second port after get out or the second through hole is through the 3rd port to enter the by drill bit
Got out after three water chambers.
Further, the first water chamber is set up in parallel with the second water chamber, and first port is alignd with second port.
Further, connected entrance the first connected entrance and second connected entrance on a third direction is complete with first port respectively
Stagger, the first connected entrance partly overlaps with the second connected entrance or staggered completely on third direction, third direction is perpendicular to
One water chamber axis and parallel to plane where the first water chamber axis and the second water chamber axis.
Further, plunger pump pump cover also includes first to partial receipt stop valve connected with the second water chamber
Divide cut-off valve opening, Part I cut-off valve opening is extended from pump cover surface into pump cover.
Further, the first water chamber sequentially passes through first through hole, the second water chamber and connected with Part I cut-off valve opening.
Further, plunger pump pump cover also includes the second of the 3rd water chamber, the 3rd water chamber of interval and the second water chamber
Cavity wall, through the second cavity wall to connect the second through hole of the 3rd water chamber and the second water chamber, the 3rd water chamber sequentially passes through
Two through holes, the second water chamber are connected with Part I cut-off valve opening.
Further, the first water chamber, the second water chamber, the 3rd water chamber are set up in parallel, and the second water chamber is located at first
Between water chamber and the 3rd water chamber.
Further, Part I cut-off valve opening includes hole main body, the 4th intercommunicating pore, and pump cover also includes the second water outlet of interval
Chamber and the 3rd cavity wall of hole main body, the 4th intercommunicating pore run through the 3rd cavity wall to connect the second water chamber and hole main body.
Further, Part I cut-off valve opening and the second water chamber partly overlap and with first in a fourth direction
Water chamber staggers completely, and fourth direction is perpendicular to plane where the first water chamber axis and the second water chamber axis.
Further, plunger pump pump cover also includes the 3rd water chamber being set up in parallel with the second water chamber, in fourth direction
Upper Part I cut-off valve opening staggers completely with the 3rd water chamber.
Further, plunger pump pump cover also includes the 3rd water chamber, the 3rd plunger hole, extends to the 3rd from the 3rd water chamber
Second intercommunicating pore of plunger hole, the 3rd water chamber has the 3rd port, and the 3rd port is with third connecting hole position in the 3rd water chamber
Two opposite sides.
Further, first through hole is to tilt the drilling towards first port.
Further, first through hole axis and the first water chamber axis are in 40 degree to 55 degree angles.
Further, first through hole is completely exposed to first port along on wherein axis direction.
The present invention also provides a kind of plunger pump, including foregoing plunger pump pump cover.
Further, plunger pump also includes the first plug of closure first port, blocks the second plug of second port.
Further, plunger pump also includes the pump housing, the first plunger, the second plunger, the stop valve being assembled together with pump cover,
The pump housing is provided with the first plunger through hole passed through for the first plunger, the second plunger through hole passed through for the second plunger, received to part
Hold the Part II cut-off valve opening of stop valve.
Further, plunger pump also include can by first port load the first water chamber the first check valve, can be by second
Port loads the second check valve of the second water chamber.
The present invention also provides a kind of cleaning machine, including foregoing plunger pump.
Further, cleaning machine also includes the plastic shell for housing plunger pump.
The present invention again a kind of plunger pump pump cover is provided, provided with the first water chamber, the second water chamber, interval the first water chamber with
First cavity wall of the second water chamber, the first through hole of the first water chamber of connection and the second water chamber, the first plunger hole, the second plunger
Hole, the first intercommunicating pore for extending to from the first water chamber the first plunger hole, the of the second plunger hole is extended to from the second water chamber
Two intercommunicating pores, the first water chamber is provided with first port, and the second water chamber is provided with second port, and first port connects hole position with first
In the two opposite sides of the first water chamber, second port is located at the two opposite sides of the second water chamber, first through hole with the second intercommunicating pore
Tilt through the first cavity wall and towards first port, first through hole is completely exposed to first port, first through hole includes being located at
Its opposite end and tilt relative the first connected entrance and the second connected entrance, the first connected entrance is located at the second connected entrance and first
Between water chamber.
The present invention these features and advantage will be detailed in following embodiment, accompanying drawing exposure.
【Brief description of the drawings】
Fig. 1 is the stereogram of plunger pump of the present invention；
Fig. 2 is pump cover of the present invention, check valve, the schematic diagram of plug phase separation；
Fig. 3 is the stereogram of the angle of pump cover one of the present invention；
Fig. 4 is the stereogram of another angle of pump cover of the present invention (just to first through hole)；
Fig. 5 is the stereogram of the another angle of pump cover of the present invention (just ending valve opening to Part I)；
The sectional view that Fig. 6 is Fig. 5 (section is the first water chamber axis and face where the first water chamber axis)；
Fig. 7 is pump cover of the present invention, the schematic diagram of stop valve (check valve, plug are installed on pump cover)；
Fig. 8 is the stereogram of the angle of the pump housing one of the present invention；
Fig. 9 is rotating shaft of the present invention, clutch shaft bearing, swash plate, the exploded view of thrust bearing；
Figure 10 is the view of another angles of Fig. 9；
Figure 11 is the sectional view of plunger pump of the present invention；
Figure 12 is Figure 11 magnified partial view.
【Embodiment】
The technical scheme of the embodiment of the present invention is explained and illustrated with reference to the accompanying drawing of the embodiment of the present invention, but under
Embodiment only the preferred embodiments of the present invention are stated, and it is not all.Based on the embodiment in embodiment, those skilled in the art
Other embodiment is obtained on the premise of creative work is not made, protection scope of the present invention is belonged to.
Cleaning machine is a kind of common cleaning equipment, is usually used in cleaning automobile particularly kart, wall, ground, stand
Position etc..This cleaning machine include plunger pump, shell, wheel, handle, the water inlet pipe with water swivel, the delivery hose with joint,
Hydraulic giant.Wheel is located at the bottom of cleaning machine, to movable cleaning.Handle is connected to shell, and handle is located at the top of cleaning machine
Or sidepiece, to movable cleaning.Shell can be plastic shell or metal shell, and plunger pump is contained in shell.Water inlet pipe is used
Water receiving source such as running water, plunger pump is introduced by external water source in addition.Delivery hose passes through hydraulic giant to connect plunger pump and hydraulic giant
The water that plunger pump is extruded sprays.
Referring to figs. 1 to shown in Figure 12, plunger pump includes swash plate 1, motor 2, clutch shaft bearing 30, second bearing 31, thrust axis
Hold 4, stop valve 50, oil cylinder 60, the pump housing 61, pump cover 7, some plunger assemblies 8.The rated power of motor 2 700w to 3500w it
Between, such as 750w, 1000w, 1500w, 2000w, 2200w, 2500w, motor 2 include stator 20, rotor 21, radiator fan 22,
Radiator fan 22 and swash plate 1 are located at the two opposite sides of motor 2, rotor 21 include rotating shaft 23, positioned at the periphery of rotating shaft 23 rotor around
Group 24, clutch shaft bearing 30 is located at the two opposite sides of rotor windings 24 with second bearing 31, and motor 2 also includes housing radiator fan 22
Fan guard 25, radiator fan 22 and second bearing 31 be located in fan guard 25, and fan guard 25 has in face of radiator fan 22
Air intake vent 250, what the projection that radiator fan 22 is projected along one the 6th direction was projected with air intake vent 250 along the 6th direction
Projection is least partially overlapped, and the 6th is oriented parallel to rotating shaft 23.Swash plate 1 offers shaft hole 10, and rotating shaft 23 is inserted in described turn
Axis hole 10, to drive swash plate 1 to rotate, plunger assembly 8 directly or indirectly presses on swash plate 1 to prevent swash plate 1 along rotating shaft 23
To axial movement, when plunger pump stands upside down and removes plunger assembly 8 to swash plate 1 after directly or indirectly compressing, swash plate 1 can be certainly
Slid downwards along rotating shaft 23 under body Action of Gravity Field.Plunger pump handstand is that plunger pump is in following location status：Piston pump motor
Rotating shaft 23 is in vertical position and swash plate 1 is in the upside of thrust bearing 4.Stop valve 50 is a kind of good check valve of sealing, energy
Hydraulic pressure is kept well closing after rifle is shut down, and keeps the pass rifle of cleaning machine to shut down beneficial to rifle pressurize is closed.
Rotating shaft 23 through clutch shaft bearing 30 inner ring 300 and mutually fixed with inner ring 300, swash plate 1 be located at clutch shaft bearing 30 with
Between plunger assembly 8, plunger assembly 8 directly or indirectly presses on swash plate 1 so that swash plate 1 presses on the inner ring 300 of clutch shaft bearing 30.
Plunger assembly 8 presses on swash plate 1 indirectly in present embodiment, when plunger pump stands upside down and removes plunger assembly 8 to the indirect of swash plate 1
After compressing, swash plate 1 can be under self gravitation effect along the landing downwards of rotating shaft 23.
Thrust bearing 4 is assemblied in swash plate 1, and thrust bearing 4 is located between swash plate 1 and plunger assembly 8, and plunger assembly 8 is compressed
Swash plate 1 is pressed on indirectly in thrust bearing 4, and it is compressed to thrust bearing 4 when plunger pump stands upside down and removes plunger assembly 8
Afterwards, swash plate 1 can be under self gravitation effect along the landing downwards of rotating shaft 23 with thrust bearing 4.Swash plate 1 be located at clutch shaft bearing 30 with
Between thrust bearing 4, plunger assembly 8 presses on thrust bearing 4 and presses on swash plate 1 indirectly so that swash plate 1 presses on inner ring
300。
Swash plate 1, thrust bearing 4, clutch shaft bearing 30 are located in oil cylinder 60, and rotating shaft 23 is extended into oil cylinder 60, clutch shaft bearing
30 outer ring 301 is fixed with oil cylinder 60.
Plunger assembly 8 includes plunger, and (present embodiment plunger pump is three ram type pumps, can be by these for ease of subsequent descriptions
Plunger is divided into the first plunger 80, the second plunger 81, the 3rd plunger (not shown)), located at plunger at one end back-up ring (including located at
First back-up ring 82 of one plunger 80, the second back-up ring 83 located at the second plunger 81, it is correspondingly arranged at the third gear circle of the 3rd plunger (not
Diagram)), the back-moving spring that is sheathed on plunger (including is placed on the (the first back-moving spring 84 of the first plunger 80, is placed on the second plunger 81
Second back-moving spring 85, be correspondingly placed on the 3rd back-moving spring (not shown) of the 3rd plunger), back-moving spring is towards thrust bearing
4 press on back-up ring so that plunger presses on thrust bearing 4.Thrust bearing 4 is thrust ball bearing, thrust bearing in present embodiment
4 include being assemblied in the first ring 40, the second ring 41, the ball between the first ring 40 and the second ring 41 of swash plate 1
Retainer 42, multiple balls 43 on ball retainer 42, in a ring, the second ring 41 is located at first to ball retainer 42
Between ring 40 and plunger assembly 8, plunger assembly 8 presses on the second ring 41 and presses on swash plate 1 indirectly, when plunger pump stands upside down
And after removing the compressing of 8 pair of second ring 41 of plunger assembly, swash plate 1 and thrust bearing 4 can be under self gravitation effects from turning
Dropped on axle 23, plunger assembly 8 directly or indirectly presses on swash plate 1 to prevent swash plate 1 along rotating shaft 23 to the side away from motor 2
To movement, when plunger pump stands upside down and removes plunger assembly 8 to swash plate 1 after directly or indirectly compressing, swash plate 1 can be in itself weight
Dropped under power effect from rotating shaft 23.When plunger pump stands upside down and removes plunger assembly 8 to thrust bearing 4 after compressing, swash plate 1
It can be dropped with thrust bearing 4 under self gravitation effect.Swash plate 1 is that it is directly or indirectly compressed and phase by plunger assembly 8
Predetermined position is defined to for rotating shaft 23.Remove plunger assembly 8 to swash plate 1 directly or indirectly compress after, swash plate 1
The state of no-fix is in rotating shaft 23, the state of no-fix is that swash plate 1 can be moved up in the axle of rotating shaft 23.
Swash plate 1 include first annular flange 11, the second annular flange 12, the 3rd annular flange 13, annular tilting body 14,
Some reinforcements 15 (shown in ginseng Fig. 9, there is 8 reinforcements 15, these reinforcements 15 are looped around the periphery of the 3rd annular flange 13), the
The external diameter of second ring flange 12 is less than first annular flange 11, and the first ring 40 is assemblied in first annular flange 11, the second ring 41
Around the second annular flange 12, first annular flange 11 is located at opposite the two of annular tilting body 14 with the 3rd annular flange 13
Side, the first ring 40 is resisted against in the inclined plane 140 of annular tilting body 14, the annular flange 13 of reinforcement 15 and the 3rd and annular
Tilting body 14 is connected respectively.3rd annular flange 13 presses on the inner ring 300 of clutch shaft bearing 30.
Swash plate 1 coordinates with the gap of rotating shaft 23, and the first flat position 100 is provided with shaft hole 10, and rotating shaft 23 is flat provided with correspondence first
The second flat position 230 to drive the rotation of swash plate 1 of position 100, radiator fan 22 is fixed on one end of rotating shaft 23, radiator fan 22
It is located at the opposite end of rotating shaft 23 with the second flat position 230, the first flat position 100 faces the second flat position 230, when rotating shaft 23 is rotated, the
Rotatory force is passed to the second flat position 230 by one flat position 100, to drive swash plate 1 to rotate by the second flat position 230.Shaft hole 10 is wrapped
The first hole section 101, the second hole section 102, the First terrace 103 between the first hole section 101 and the second hole section 102 are included, the
One flat position 100 is in the first hole section 101, and the diameter of the first hole section 101 is less than the diameter of the second hole section 102, and rotating shaft 23 includes
First shaft part 231, the second shaft part 232, the second step face 233 between the first shaft part 231 and the second shaft part 232, first
Shaft part 231 is located at the end of rotating shaft 23, and the second flat position 230 is inserted in first located at the outside of the first shaft part 231, the first shaft part 231
Hole section 101, the second shaft part 232 is inserted in the second hole section 102, and the diameter of the first shaft part 231 is less than the diameter of the second shaft part 232.
First shaft part 231 and the gap of the first hole section 101 coordinate, and the diameter of the first shaft part 231 is less than the diameter 0.02mm of the first hole section 101
To 0.08mm, preferably 0.03mm or 0.04mm；Second shaft part 232 and the gap of the second hole section 102 coordinate, the second shaft part 232
Diameter is less than the diameter 0.01mm to 0.06mm, preferably 0.02mm of the second hole section 102；Above gap taken into account easy disassembly and
Rotating shaft 23 is to the smooth drive of swash plate 1, and the drive swash plate 1 that realizing rotating shaft 23 can stablize is rotated, and easily can directly incite somebody to action oblique
Disk 1 is enclosed in rotating shaft 23, easily directly can be removed swash plate 1 from rotating shaft 23 after removing plunger assembly when needing dismounting.
First terrace 103 and second step face 233 are spaced relatively, the spacing of First terrace 103 and second step be 0.25mm extremely
1mm, preferably 0.5mm.A diameter of 14mm of first shaft part 231, a diameter of 15mm of the second shaft part 232.
The pump housing 61 is fixed between oil cylinder 60 and pump cover 7, and the pump housing 61 offers some plunger through holes, and the pump housing 61 is provided with
The water inlet 611 of side, the delivery port 612 towards opposite opposite side；The pump housing 61 is integrally formed with the water inlet pipe extended towards side
613rd, the outlet pipe 614 extended towards opposite opposite side, water inlet 611 is located at the end of water inlet pipe 613, and delivery port 612 is located at
The end of water pipe 614.
Swash plate 1 is that it is compressed indirectly by plunger assembly 8 and is defined to relative to rotating shaft 23 pre- in present embodiment
Fixed position, further, plunger assembly 8 press on thrust bearing 4 and press on swash plate 1 indirectly so that swash plate 1 relative to turn
Axle 23 is defined to predetermined position.Remove after some plunger assemblies 8, swash plate 1 is in no-fix relative to rotating shaft 4
State and directly swash plate 1 can be removed together with thrust bearing 4 from rotating shaft 23；Removing supporting for plunger assembly 8 in the prior art
Swash plate 1 can not be directly removed after pressure, it is necessary to which the locked mechanism or tight interference that first release between swash plate 1 and rotating shaft 23 are engaged,
Swash plate 1 can be removed from rotating shaft 23.
Pump cover 7 is provided with the first water chamber 70, the second water chamber 71, the 3rd water chamber 72, the first cavity wall 73, the second cavity wall
74th, first through hole 75, the second through hole 76, the first cavity wall 73 are spaced the first water chamber 70 and the second water chamber 71, the second cavity wall 74
It is spaced the second water chamber 71 and the 3rd water chamber 72, first through hole 75 is through the first cavity wall 73 to connect the first water chamber 70 and the
Two water chambers 71, the second through hole 76 runs through the second cavity wall 74 to connect the second water chamber 71 and the 3rd water chamber 72, the first water outlet
The outer end of chamber 70 is provided with first port 700, and the outer end of the second water chamber 71 is provided with outside second port 710, the 3rd water chamber 72
End is provided with the 3rd port 720, and the projection that first port 700 is projected along a first direction can cover first through hole 75 by shadow completely
The projection projected in the first direction, first direction hangs down parallel to the axis A of first through hole 75, the axis A of first through hole 75
Directly in rotating shaft 23, the projection that first through hole 75 is projected in the first direction is contained in first port 700 and projected in the first direction
Projection.The axis C of first water chamber 70 is perpendicular to rotating shaft 23, and the axis D of the second water chamber 71 is perpendicular to rotating shaft 23,
The axis E of three water chamber 72 is perpendicular to rotating shaft 23, and the axis C of the first water chamber 70 is parallel to the axis E of the 3rd water chamber 72,
The axis D of two water chamber 71 is parallel to the axis E of the 3rd water chamber 72.
The projection that second port 710 is projected along a second direction can be completely covered the second through hole 76 and throw in a second direction
The projection penetrated, second direction is parallel to the axis B of the second through hole 76, the throwing that the second through hole 76 is projected in a second direction
Shadow is contained in the projection that second port 710 is projected in a second direction.First water chamber 70, the second water chamber the 71, the 3rd go out
Water cavity 72 is set up in parallel, and the second water chamber 71 is located between the first water chamber 70 and the 3rd water chamber 72, the axis of first through hole 75
Line A is parallel to the axis B of the second through hole 76.First port 700, second port 710, the 3rd port 720 are alignd, first port
700th, second port 710, the 3rd port 720 are arranged in a row.First through hole 75 is overlapping with the second through hole 76 on one the 5th direction,
5th direction is perpendicular to the axis C of the first water chamber 70, and the 5th is oriented parallel to the axis C of the first water chamber 70 and the second water outlet
Plane where the axis D of chamber 71, the 5th direction is tilted with the axis A of first through hole 75, the axis A of first through hole 75 and the 5th side
To in 35 degree to 50 degree angles.First through hole 75 is to tilt the drilling towards first port 700.The axis A of first through hole 75 with
The axis C of first water chamber 70 is in 40 degree to 55 degree angles.The center of first connected entrance 750 to first port 700 vertical range
Less than the vertical range 3.5mm-6mm at the center of the second connected entrance 751 to first port 700.First through hole 75 is through by drill bit
Got out after the first water chamber 70 of entrance of Single port 700, the second through hole 76 is through the second water chamber of entrance of second port 710 by drill bit
Got out after 71.First through hole 75 for tilt run through the first cavity wall 73, first through hole 75 towards first port 700 inclined hole, second
Through hole 76 is the inclined hole towards second port 710.Second through hole 76, which is tilted, runs through the second cavity wall 74.Second through hole 76 can be to incline
Tiltedly towards the drilling of second port 710.First through hole 75, the second through hole 76 can also be hole that the hole that mills out, laser are outputed etc., excellent
Elect drilling as.
First through hole 75 is circular hole, including positioned at the first connected entrance 750 and the second connected entrance 751 of its opposite end, the
One connected entrance 750 be located between the second connected entrance 751 and the first water chamber 70, on a third direction the first connected entrance 750 and
Second connected entrance 751 staggers completely with first port 700 respectively, the first connected entrance 750 and the second connected entrance on third direction
751 partly overlap or stagger completely, and third direction is perpendicular to the axis C of the first water chamber 70 and parallel to the first water chamber
Plane where the 70 axis C and axis D of the second water chamber 71.First connected entrance 750 and the second connected entrance 751 are tilted relatively,
Second connected entrance 751 is exposed to first port 700 via the first connected entrance 750.Second through hole 76 is circular hole, and the second through hole 76 is wrapped
Include positioned at its opposite end and tilt the relative connected entrance 761 of third connecting mouthful 760 and the 4th, third connecting mouthful 760 is located at
Between 4th connected entrance 761 and the second water chamber 71, the 4th connected entrance 761 is exposed to second port via third connecting mouthful 760
710 or third connecting mouthfuls 760 be exposed to the 3rd port 720 via the 4th connected entrance 761.First through hole 75 is logical parallel to second
Hole 76, is so beneficial to forming through hole more efficiently.
It is also designed to：The edge of the second through hole 76 can be completely covered in the projection that 3rd port 720 is projected in a second direction
The projection of second direction projection, first through hole 75 in the second through hole 76 with being symmetrical arranged, the axis A of first through hole 75 and the
The axis B of two through hole 76 is in 80 degree to 100 degree angles, and the projection that the 3rd port 720 is projected in a second direction can be covered completely
The projection that the second through hole of lid 76 is projected in a second direction, the second through hole 76 is to tilt the drilling towards the 3rd port 720, the
Two through holes 76 are to be got out by drill bit after the 3rd water chamber 72 of the 3rd port 720 entrance, and the second through hole 76 is towards the 3rd port
720 inclined hole, third connecting mouthful 760 is exposed to the 3rd port 720 via the 4th connected entrance 761.
Pump cover 7 also includes the Part I cut-off valve opening 77 to partial receipt stop valve 50, Part I cut-off valve opening
77 are connected with the second water chamber 71, and Part I cut-off valve opening 77 is extended from the surface of pump cover 7 into pump cover 7.First water chamber 70
Sequentially pass through first through hole 75, the second water chamber 71 to connect with Part I cut-off valve opening 77, the 3rd water chamber 72 is sequentially passed through
Second through hole 76, the second water chamber 71 are connected with Part I cut-off valve opening 77.Part I cut-off valve opening 77 includes hole main body
770th, the 4th intercommunicating pore 771, pump cover 7 also includes the second water chamber of interval 71 and the 3rd cavity wall 78 of hole main body 770, the 4th connection
Hole 771 runs through the 3rd cavity wall 78 to connect the second water chamber 71 and hole main body 770.The Part I stop valve in a fourth direction
Hole 77 partly overlaps with the second water chamber 71 and staggered completely with the first water chamber 70, and fourth direction is perpendicular to the first water chamber
Plane where the 70 axis C and axis D of the second water chamber 71, Part I cut-off valve opening 77 goes out with the 3rd in fourth direction
Water cavity 72 staggers completely.Fourth direction is parallel to rotating shaft 23.
Pump cover 7 also includes the first plunger hole 790, the second plunger hole 791, the 3rd plunger hole 792, the first intercommunicating pore 793, the
Two intercommunicating pores 794, third connecting hole 795, the first inlet opening 796, the second inlet opening 797, the 3rd inlet opening 798, the first water inlet
Hole 796 extends to the first intercommunicating pore 793, the first water intaking valve of partial receipt of the first inlet opening 796, and the second inlet opening 797 is extended to
Second intercommunicating pore 794, the second water intaking valve of partial receipt 57 of the second inlet opening 797, the 3rd inlet opening 798 extends to third connecting hole
795, the water intaking valve of 798 partial receipt of the 3rd inlet opening the 3rd, the first plunger hole 790 and the indirect communication of the first water chamber 70, second
The indirect communication of 791 and second water chamber of plunger hole 71, the 3rd plunger hole 792 and the indirect communication of the 3rd water chamber 72, the first connection
Hole 793 extends to the first plunger hole 790 from the first water chamber 70, and the second intercommunicating pore 794 extends to second from the second water chamber 71
Plunger hole 791, third connecting hole 795 extends to the 3rd plunger hole 792 from the 3rd water chamber 72, and first port 700 and first connects
Through hole 793 is located at the two opposite sides of the first water chamber 70, and the intercommunicating pore 794 of second port 710 and second is located at the second water chamber 71
Two opposite sides, the 3rd port 720 is located at the two opposite sides of the 3rd water chamber 72 with third connecting hole 795.
Plunger pump also includes the first plug 51, the second plug 52, the 3rd plug 53, the first plug 51, the second plug 52, the
Three plugs 53 can be separate or Contiuum type, and the first plug 51 is threadedly connected to the spiral shell in the first water chamber 70
Line, the second plug 52 is threadedly connected to the screw thread in the second water chamber 71, and the 3rd plug 53 is threadedly connected to the 3rd water chamber 72
Interior screw thread, the first plug 51 closure first port 700, the second plug 52 closure second port 710, the 3rd plug 53 closure the
Three ports 720, the pump housing 61 is assembled together with pump cover 7, and the pump housing 61 is provided with the first plunger through hole passed through for the first plunger 80
615th, the second plunger through hole 616 for being passed through for the second plunger 81, the 3rd plunger through hole 618 passed through for the 3rd plunger, to portion
Divide the Part II cut-off valve opening 619 for housing stop valve 50.Part I ends valve opening 77 and ends the phase of valve opening 619 with Part II
Right, both constitute complete cut-off valve opening to house whole stop valve 50.Plunger pump also includes that the can be loaded by first port 700
First check valve 54 of one water chamber 70, the second check valve 55 that the second water chamber 71 can be loaded by second port 710, can be by
Three ports 720 load the 3rd check valve 56 of the 3rd water chamber 72.First check valve 54, the second check valve 55, the 3rd check valve
56 can be separate or Contiuum type.
During plunger pump work, liquid (such as water) enters plunger pump by water inlet pipe 613, then divides three tunnels, all the way liquid by
First inlet opening 796 enters the first intercommunicating pore 793, under the pressurization of the first plunger 80, sequentially passes through the first intercommunicating pore 793, the
One check valve 54 enters the first water chamber 70, then enters the second water chamber 71 by first through hole 75；Liquid is by the second water inlet all the way
Hole 797 enters the second intercommunicating pore 794, after the pressurization of the second plunger 81, sequentially passes through the second intercommunicating pore 794, the second check valve
55 enter the second water chamber 71；Liquid enters third connecting hole 795 by the 3rd inlet opening 798 all the way, in the pressurization of the 3rd plunger
Under, sequentially pass through third connecting hole 795, the 3rd check valve 56 and enter the 3rd water chamber 72, then enter second by the second through hole 76
Water chamber 71；The liquid of the second water chamber 71 is imported through stop valve 50 further downstream after stop valve 50, further stream
Outlet pipe 614 is crossed, is finally sprayed through hydraulic giant.
More than, it is only the embodiment of the present invention, but protection scope of the present invention is not limited thereto, and is familiar with this
The technical staff in field should be understood that the present invention includes but is not limited to accompanying drawing and the above content described in embodiment.Appoint
The modification for why not deviateing the function and structure principle of the present invention is intended to be included in the scope of claims.
Claims (10)
1. a kind of plunger pump pump cover, the provided with the first water chamber, the second water chamber, the first water chamber of interval and the second water chamber
One cavity wall, the first water chamber of connection and the first through hole of the second water chamber, the first plunger hole, the second plunger hole, from the first water outlet
Chamber extends to the first intercommunicating pore of the first plunger hole, the second intercommunicating pore of the second plunger hole, first is extended to from the second water chamber
Water chamber is provided with first port, and the second water chamber is provided with second port, and first port is located at the first water chamber with the first intercommunicating pore
Two opposite sides, second port and the second intercommunicating pore are located at the two opposite sides of the second water chamber, it is characterised in that：First through hole is inclined
Tiltedly through the first cavity wall and towards first port, first through hole includes positioned at its opposite end and tilts the first relative company
Port and the second connected entrance, the first connected entrance are located between the second connected entrance and the first water chamber, and the second connected entrance is via first
Connected entrance is exposed to first port.
2. plunger pump pump cover according to claim 1, it is characterised in that：Also include the 3rd water chamber, the second water outlet of interval
Chamber with the second cavity wall of the 3rd water chamber, through the second cavity wall to connect the second through hole of the second water chamber and the 3rd water chamber,
The outer end of 3rd water chamber is provided with the 3rd port, and the second through hole includes positioned at its opposite end and tilts relative third connecting
Mouth and the 4th connected entrance, third connecting mouthful are located between the 4th connected entrance and the second water chamber, and the 4th connected entrance connects via the 3rd
Port is exposed to the 3rd port exposed to second port or third connecting mouthful via the 4th connected entrance.
3. plunger pump pump cover according to claim 2, it is characterised in that：First through hole axis parallel is in the second through hole
Axis, the first water chamber, the second water chamber, the 3rd water chamber are set up in parallel, and the second water chamber is located at the first water chamber and the 3rd
Between water chamber.
4. plunger pump pump cover according to claim 2, it is characterised in that：First through hole with being symmetrical arranged in the second through hole,
First water chamber, the second water chamber, the 3rd water chamber are set up in parallel, and the 3rd water chamber is located at the first water chamber and the second water chamber
Between.
5. plunger pump pump cover according to claim 2, it is characterised in that：First through hole axis and the second through hole axis
In 80 degree to 100 degree angles, the first water chamber, the second water chamber, the 3rd water chamber are set up in parallel, and the 3rd water chamber is located at first
Between water chamber and the second water chamber.
6. plunger pump pump cover according to claim 2, it is characterised in that：First port, second port, the 3rd port pair
Together.
7. plunger pump pump cover according to claim 2, it is characterised in that：First port, second port, the 3rd port are lined up
One row.
8. a kind of plunger pump, it is characterised in that：Including the plunger pump according to claim 1 to any one of claim 7
Lid.
9. a kind of cleaning machine, it is characterised in that：Including plunger pump according to claim 8.
10. a kind of plunger pump pump cover, provided with the first water chamber, the second water chamber, the first water chamber of interval and the second water chamber
First cavity wall, connection the first water chamber and the first through hole of the second water chamber, the first plunger hole, the second plunger hole, go out from first
Water cavity extends to the first intercommunicating pore of the first plunger hole, the second intercommunicating pore of the second plunger hole is extended to from the second water chamber, the
One water chamber is provided with first port, and the second water chamber is provided with second port, and first port is located at the first water outlet with the first intercommunicating pore
The two opposite sides of chamber, second port is located at the two opposite sides of the second water chamber with the second intercommunicating pore, it is characterised in that：First through hole
Tilt through the first cavity wall and towards first port, first through hole is completely exposed to first port, first through hole includes being located at
Its opposite end and tilt relative the first connected entrance and the second connected entrance, the first connected entrance is located at the second connected entrance and first
Between water chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710461020.2A CN107091225B (en) | 2017-06-18 | 2017-06-18 | Plunger pump pump cover, plunger pump and cleaning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710461020.2A CN107091225B (en) | 2017-06-18 | 2017-06-18 | Plunger pump pump cover, plunger pump and cleaning machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107091225A true CN107091225A (en) | 2017-08-25 |
| CN107091225B CN107091225B (en) | 2018-11-09 |
Family
ID=59639559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710461020.2A Active CN107091225B (en) | 2017-06-18 | 2017-06-18 | Plunger pump pump cover, plunger pump and cleaning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107091225B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4087213A (en) * | 1976-07-21 | 1978-05-02 | Atsugi Motor Parts, Co., Ltd. | Self-aligning reciprocating plunger pump |
| EP1013921A2 (en) * | 1998-12-25 | 2000-06-28 | Denso Corporation | Fuel injection pump |
| JP2001271762A (en) * | 2000-03-27 | 2001-10-05 | S G Eng Kk | Plunger type pump device |
| CN2544115Y (en) * | 2001-10-22 | 2003-04-09 | 台州市亿力电器有限公司 | Small sized high-pressure water pump |
| CN1563718A (en) * | 2004-04-16 | 2005-01-12 | 胡松海 | Plunger pump of high pressure cleaner |
| CN201092941Y (en) * | 2007-09-26 | 2008-07-30 | 咸宁市紫阳电器有限公司 | Novel water-saving environment protection cleaning machine high pressure pump |
-
2017
- 2017-06-18 CN CN201710461020.2A patent/CN107091225B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4087213A (en) * | 1976-07-21 | 1978-05-02 | Atsugi Motor Parts, Co., Ltd. | Self-aligning reciprocating plunger pump |
| EP1013921A2 (en) * | 1998-12-25 | 2000-06-28 | Denso Corporation | Fuel injection pump |
| JP2001271762A (en) * | 2000-03-27 | 2001-10-05 | S G Eng Kk | Plunger type pump device |
| CN2544115Y (en) * | 2001-10-22 | 2003-04-09 | 台州市亿力电器有限公司 | Small sized high-pressure water pump |
| CN1563718A (en) * | 2004-04-16 | 2005-01-12 | 胡松海 | Plunger pump of high pressure cleaner |
| CN201092941Y (en) * | 2007-09-26 | 2008-07-30 | 咸宁市紫阳电器有限公司 | Novel water-saving environment protection cleaning machine high pressure pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107091225B (en) | 2018-11-09 |
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Address after: 215211, Jiangsu province Suzhou Wujiang Fen Lake Economic Development Zone on the north side of Shanghai Avenue East Road 888 Applicant after: Suzhou ousheng electrical Limited by Share Ltd Address before: 215211, Jiangsu province Suzhou Wujiang Fen Lake Economic Development Zone on the north side of Shanghai Avenue East Road 888 Applicant before: Suzhou Ousheng Electric Industry Co., Ltd. |
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