CN107091225B - Plunger pump pump cover, plunger pump and cleaning machine - Google Patents
Plunger pump pump cover, plunger pump and cleaning machine Download PDFInfo
- Publication number
- CN107091225B CN107091225B CN201710461020.2A CN201710461020A CN107091225B CN 107091225 B CN107091225 B CN 107091225B CN 201710461020 A CN201710461020 A CN 201710461020A CN 107091225 B CN107091225 B CN 107091225B
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- water chamber
- hole
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- plunger
- pump
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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, equipped 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, it is connected to 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 equipped with first port, second water chamber is equipped 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 the first opposite communication port and the second communication port, first communication port is between the second communication port and the first water chamber, second communication port is exposed to first port via the first communication port.The design facilitates tool to go the first communication port of machine-shaping and further the second communication port of machine-shaping via first port, will not leave extra hole, is not required to additional closure material and blocks process, reduces cost.
Description
【Technical field】
The present invention relates to a kind of plunger pump pump cover, corresponding plunger pump and corresponding cleaning machines.
【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 to make these water chambers be mutually communicated, since meeting is in pump cover side from pump cover side frequently with tool
Face leaves a tooling hole, therefore also needs to additionally to increase a plug and block tooling hole, undoubtedly increases cost.
【Invention content】
Problem to be solved by this invention is to provide a kind of plunger pump pump cover conducive to cost reduction.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：A kind of plunger pump pump cover is equipped with the first water outlet
Chamber, interval the first water chamber and the first cavity wall of the second water chamber, is connected to the first water chamber and the second water chamber at 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 equipped with first port, and the second water chamber is equipped with
Second port, first port are located at the two opposite sides of the first water chamber, second port and the second intercommunicating pore position with the first intercommunicating pore
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 the first opposite communication port and the second communication port, the first communication port be located at the second communication port with
Between first water chamber, the second communication port is exposed to first port via the first communication port.
The design first through hole is tilted through the first cavity wall and towards first port, and the second communication port is located at the first connection
Between mouth and the first water chamber, the second communication port is exposed to first port via the first communication port, facilitates tool via first end
Mouth goes the first communication port of machine-shaping and further the second communication port of machine-shaping, will not leave extra hole, does not need volume
Outer closure material and closure process, reduces cost.
Further, plunger pump pump cover further includes third water chamber, the second water chamber of interval and the second of third water chamber
Cavity wall, through the second cavity wall to be connected to the second through-hole of the second water chamber and third water chamber, the outer end of third water chamber is equipped with
Third port, the second through-hole include positioned at its opposite end and tilt opposite third connecting mouth and the 4th communication port, third
Communication port between the 4th communication port and the second water chamber, the 4th communication port via third connecting mouth be exposed to second port or
Person's third connecting mouth is exposed to third port via the 4th communication port.
Further, first through hole axis parallel is in the second through-hole central axes, the first water chamber, the second water chamber,
Three water chambers are set up in parallel, and the second water chamber is between the first water chamber and third water chamber.
Further, first through hole is symmetrical arranged with the second through-hole, the first water chamber, the second water chamber, third water outlet
Chamber is set up in parallel, and third water chamber is between the first water chamber and the second water chamber.
Further, first through hole central axes and the second through-hole central axes are in 80 degree to 100 degree angles, the first water chamber,
Second water chamber, third water chamber are set up in parallel, and third water chamber is between the first water chamber and the second water chamber.
Further, first port, second port, third port alignment.
Further, first port, second port, third port are arranged in a row.
Further, first through hole is Chong Die with the second through-hole on one the 5th direction, the 5th direction and first through hole axis
Line tilts, and perpendicular to the first water chamber central axes, the 5th is oriented parallel to the first water chamber central axes goes out with second in the 5th direction
Plane where water cavity central axes.
Further, the 4th communication port is exposed to second port via third connecting mouth, and the second through-hole is to tilt towards the
The drilling of Two-port netwerk；Alternatively, third connecting mouth is exposed to third port via the 4th communication port, the second through-hole is to tilt towards the
The drilling of three ports.
Further, the first water chamber, the second water chamber, third water chamber are set up in parallel, and third water chamber is located at first
Between water chamber and the second water chamber, first through hole is drilled out after first port enters the first water chamber by drill bit, and second is logical
Hole is to be drilled out after second port enters the second water chamber by drill bit or the second through-hole is to enter the through third port by drill bit
It is drilled out after three water chambers.
Further, the first water chamber is set up in parallel with the second water chamber, and first port is aligned with second port.
Further, communication port the first communication port and second communication port on a third direction is complete with first port respectively
It is staggered, the first communication port partly overlaps with the second communication port or is staggered completely on third direction, and third direction is perpendicular to
One water chamber central axes and it is parallel to plane where the first water chamber central axes and the second water chamber central axes.
Further, plunger pump pump cover further includes first to partial receipt shut-off valve being connected to the second water chamber
Cut-off valve opening, first part's cut-off valve opening is divided to be extended from pump cover surface into pump cover.
Further, the first water chamber passes through first through hole successively, the second water chamber ends valve opening with first part and is connected to.
Further, plunger pump pump cover further includes third water chamber, is spaced the second of third water chamber and the second water chamber
Cavity wall, through the second cavity wall to be connected to the second through-hole of third water chamber and the second water chamber, third water chamber passes through the successively
Two through-holes, the second water chamber end valve opening with first part and are connected to.
Further, the first water chamber, the second water chamber, third water chamber are set up in parallel, and the second water chamber is located at first
Between water chamber and third water chamber.
Further, first part's cut-off valve opening includes hole main body, the 4th intercommunicating pore, and pump cover further includes the second water outlet of interval
The third cavity wall of chamber and hole main body, the 4th intercommunicating pore is through third cavity wall to be connected to the second water chamber and hole main body.
Further, first part's cut-off valve opening and the second water chamber partly overlap and with first in a fourth direction
Water chamber is staggered completely, and fourth direction is perpendicular to plane where the first water chamber central axes and the second water chamber central axes.
Further, plunger pump pump cover further includes the third water chamber being set up in parallel with the second water chamber, in fourth direction
Upper first part's cut-off valve opening is staggered completely with third water chamber.
Further, plunger pump pump cover further includes third water chamber, third plunger hole, extends to third from third water chamber
There is third port, third port to be located at third water chamber with third connecting hole for second intercommunicating pore of plunger hole, third water chamber
Two opposite sides.
Further, first through hole is the drilling tilted towards first port.
Further, first through hole central axes and the first water chamber central axes are in 40 degree to 55 degree angles.
Further, first through hole is completely exposed to first port on wherein axis direction.
The present invention also provides a kind of plunger pumps, including plunger pump pump cover above-mentioned.
Further, plunger pump further includes the first plug for blocking first port, blocks the second plug of second port.
Further, plunger pump further includes the pump housing being assembled together with pump cover, the first plunger, the second plunger, shut-off valve,
The pump housing is equipped with the first plunger through-hole passed through for the first plunger, the second plunger through-hole passed through for the second plunger, partly receiving
The second part for holding shut-off valve ends valve opening.
Further, plunger pump further include can by first port be packed into the first water chamber the first check valve, can be by second
Port is packed into the second check valve of the second water chamber.
The present invention also provides a kind of cleaning machines, including plunger pump above-mentioned.
Further, cleaning machine further includes the plastic shell for accommodating plunger pump.
The present invention provides a kind of plunger pump pump cover again, be equipped with the first water chamber, the second water chamber, interval the first water chamber with
First cavity wall of the second water chamber is connected to the first water chamber and the first through hole of the second water chamber, the first plunger hole, the second plunger
Hole, extends to the of the second plunger hole from the second water chamber at the first intercommunicating pore that the first plunger hole is extended to from the first water chamber
Two intercommunicating pores, the first water chamber are equipped with first port, and the second water chamber is equipped with second port, first port and the first intercommunicating pore position
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
It tilts through the first cavity wall and towards first port, first through hole is completely exposed to first port, and first through hole includes being located at
Its opposite end and tilt the first opposite communication port and the second communication port, the first communication port is located at the second communication port and first
Between water chamber.
These features and advantages of the present invention will the detailed exposure in following specific implementation mode, attached drawing.
【Description of the drawings】
Fig. 1 is the stereogram of plunger pump of the present invention；
The schematic diagram that Fig. 2 is pump cover of the present invention, check valve, plug are separated；
Fig. 3 is the stereogram of one angle of pump cover of the present invention；
Fig. 4 is the stereogram of another angle of pump cover of the present invention (face first through hole)；
Fig. 5 is the stereogram of the another angle of pump cover of the present invention (face first part ends valve opening)；
The sectional view that Fig. 6 is Fig. 5 (section is the first water chamber central axes and face where the first water chamber central axes)；
Fig. 7 is the schematic diagram of pump cover of the present invention, shut-off valve (check valve, plug are installed on pump cover)；
Fig. 8 is the stereogram of one angle of the pump housing of the present invention；
Fig. 9 is the exploded view of shaft of the present invention, first bearing, swash plate, 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 the magnified partial view of Figure 11.
【Specific implementation mode】
The technical solution of the embodiment of the present invention is explained and illustrated with reference to the attached drawing of the embodiment of the present invention, but under
It states embodiment to be merely a preferred embodiment of the present invention, and not all.Based on the implementation example in the implementation mode, those skilled in the art
Obtained other embodiment without making creative work, belongs to protection scope of the present invention.
Cleaning machine is a kind of common cleaning equipment, is usually used in cleaning automobile especially kart, wall, ground, booth
Position etc..This cleaning machine include plunger pump, shell, wheel, handle, the water inlet pipe with water swivel, the delivery hose with connector,
Hydraulic giant.Wheel is located at the bottom of cleaning machine, to movable cleaning.Handle is connected to shell, and handle is set to the top of cleaning machine
Or side, to movable cleaning.Shell can be plastic shell or metal shell, and plunger pump is contained in shell.It intakes effective
With external water source such as tap water, external water source is introduced into plunger pump.Delivery hose passes through hydraulic giant to connect plunger pump and hydraulic giant
The water that plunger pump is extruded sprays.
Shown in Figure 12, plunger pump includes swash plate 1, motor 2, first bearing 30, second bearing 31, thrust axis
Hold 4, shut-off valve 50, oil cylinder 60, the pump housing 61, pump cover 7, several plunger assemblies 8.The rated power of motor 2 700w to 3500w it
Between, such as 750w, 1000w, 1500w, 2000w, 2200w, 2500w, motor 2 includes 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 shaft 23, positioned at the peripheral rotor of shaft 23 around
Group 24, first bearing 30 are located at the two opposite sides of rotor windings 24 with second bearing 31, and motor 2 further includes receiving radiator fan 22
Fan guard 25, radiator fan 22 and second bearing 31 be located in fan guard 25, and fan guard 25, which has, faces radiator fan 22
Air intake vent 250, radiator fan 22 is made of projection made of the projection of one the 6th direction is projected with air intake vent 250 along the 6th direction
Project least partially overlapped, the 6th is oriented parallel to shaft 23.Swash plate 1 offers shaft hole 10, and 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 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
It is slid downwards along shaft 23 under body gravity.It is that plunger pump is in following location status that plunger pump, which stands upside down,：Piston pump motor
Shaft 23 is in vertical position and swash plate 1 is in 4 upside of thrust bearing.Shut-off valve 50 is a kind of good check valve of leakproofness, energy
Hydraulic pressure is kept well after closing rifle and shutting down, and keeps the pass rifle of cleaning machine to shut down conducive to rifle pressurize is closed.
Shaft 23 pass through first bearing 30 inner ring 300 and fixed with 300 phase of inner ring, swash plate 1 be located at first bearing 30 and
Between plunger assembly 8, plunger assembly 8 directly or indirectly presses on swash plate 1 so that swash plate 1 presses on 30 inner ring 300 of first bearing.
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 downwards slide under self gravitation effect along shaft 23.
Thrust bearing 4 is assemblied in swash plate 1, and between swash plate 1 and plunger assembly 8, plunger assembly 8 compresses thrust bearing 4
Swash plate 1 is pressed on indirectly in thrust bearing 4, it is compressed to thrust bearing 4 when plunger pump stands upside down and removes plunger assembly 8
Afterwards, swash plate 1 can downwards slide under self gravitation effect along shaft 23 with thrust bearing 4.Swash plate 1 be located at first 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, first bearing 30 are located in oil cylinder 60, and shaft 23 extends into oil cylinder 60, first bearing
30 outer ring 301 is fixed with oil cylinder 60.
Plunger assembly 8 includes that (present embodiment plunger pump is three ram type pumps to plunger, can be by these for ease of subsequent descriptions
Plunger is divided into the first plunger 80, the second plunger 81, third plunger (not shown)), set on the baffle ring of plunger at one end (including be set to
First baffle ring 82 of one plunger 80, set on the second plunger 81 the second baffle ring 83, be correspondingly arranged at the third baffle ring of third plunger (not
Diagram)), the resetting 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, the corresponding third resetting spring (not shown) for being placed on third plunger), resetting spring is towards thrust bearing
4, which press on baffle ring, makes plunger press on thrust bearing 4.Thrust bearing 4 is thrust ball bearing, thrust bearing in present embodiment
4 include the first ring 40, the second ring 41, the ball between the first ring 40 and the second ring 41 for being assemblied in 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 removing plunger assembly 8 to after the compressing of the second ring 41, swash plate 1 and thrust bearing 4 can be under self gravitation effects from turning
It is fallen on axis 23, plunger assembly 8 directly or indirectly presses on swash plate 1 to prevent swash plate 1 along shaft 23 to the side far 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
It is fallen from shaft 23 under force effect.When plunger pump stands upside down and removes plunger assembly 8 to thrust bearing 4 after compressing, swash plate 1
It can be fallen under self gravitation effect with thrust bearing 4.Swash plate 1 is directly or indirectly compressed by phase to it by plunger assembly 8
Scheduled position is defined to for shaft 23.Removal plunger assembly 8 to swash plate 1 directly or indirectly compress after, swash plate 1
The state of no-fix is in shaft 23, state, that is, swash plate 1 of no-fix can be moved up in 23 axis of shaft.
Swash plate 1 include first annular flange 11, the second annular flange 12, third annular flange 13, annular tilting body 14,
Several reinforcing ribs 15 (shown in ginseng Fig. 9, there is 8 reinforcing ribs 15, these reinforcing ribs 15 are looped around 13 periphery of third annular flange), the
12 outer diameter of second ring flange 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 third annular flange 13
Side, the first ring 40 are resisted against on the inclined surface 140 of annular tilting body 14, reinforcing rib 15 and third annular flange 13 and annular
Tilting body 14 is separately connected.Third annular flange 13 presses on the inner ring 300 of first bearing 30.
Swash plate 1 and 23 clearance fit of shaft, shaft hole 10 is interior to be equipped with the first flat position 100, and it is flat that shaft 23 is equipped with corresponding first
Position 100 to the second flat position 230 for driving swash plate 1 to rotate, radiator fan 22 is fixed on one end of shaft 23, radiator fan 22
It is located at the opposite end of shaft 23 with the second flat position 230, the first flat position 100 faces the second flat position 230, when shaft 23 rotates, 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 wraps
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 set 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 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 shaft 23, and the second flat position 230 is set to 231 outside of the first shaft part, and the first shaft part 231 is inserted in first
Hole section 101, the second shaft part 232 are 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.
101 clearance fit of first shaft part 231 and the first hole section, the diameter of the first shaft part 231 are less than the diameter 0.02mm of the first hole section 101
To 0.08mm, preferably 0.03mm or 0.04mm；102 clearance fit of second shaft part 232 and the second hole section, 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；The above gap taken into account easy disassembly and
Shaft 23 realizes that the drive swash plate 1 that shaft 23 can be stablized rotates to the smooth drive of swash plate 1, can easily directly will be oblique
Disk 1 is sleeved in shaft 23, can easily directly be removed swash plate 1 from shaft 23 after removal 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 for 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 several plunger through-holes, and the pump housing 61 is equipped with direction
The water inlet 611 of side, the water outlet 612 towards the opposite other side；The pump housing 61 is integrally formed with the water inlet pipe extended towards side
613, the outlet pipe 614 extended towards the opposite other side, water inlet 611 are located at 613 end of water inlet pipe, and water outlet 612 is located at
614 end of water pipe.
In present embodiment swash plate 1 be by plunger assembly 8 compresses it indirectly be defined to relative to shaft 23 it is pre-
Fixed position, further, plunger assembly 8 press on thrust bearing 4 and press on indirectly swash plate 1 so that swash plate 1 relative to turn
Axis 23 is defined to scheduled position.After removing several plunger assemblies 8, swash plate 1 is in no-fix relative to shaft 4
State and directly swash plate 1 can be removed together with thrust bearing 4 from shaft 23；Supporting in removal plunger assembly 8 in the prior art
Swash plate 1 can not be directly removed after pressure, needs first to release locked mechanism or tight interference between swash plate 1 and shaft 23 and engages,
Swash plate 1 can be removed from shaft 23.
Pump cover 7 is equipped with the first water chamber 70, the second water chamber 71, third water chamber 72, the first cavity wall 73, the second cavity wall
74, 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 third water chamber 72, first through hole 75 is through the first cavity wall 73 to be connected to the first water chamber 70 and the
Two water chambers 71, the second through-hole 76 is through the second cavity wall 74 to be connected to the second water chamber 71 and third water chamber 72, the first water outlet
The outer end of chamber 70 is equipped with first port 700, and the outer end of the second water chamber 71 is equipped with second port 710, third water chamber 72 it is outer
End is equipped with third port 720, and the projection made of first direction projection of first port 700 can cover first through hole 75 by shadow completely
It is projected made of first direction projection, first direction is parallel to 75 central axes A of first through hole, and 75 central axes A of first through hole hangs down
Directly in shaft 23, the projection made of first direction projection of first through hole 75 is contained in first port 700 and is projected along first direction
Made of project.First water chamber, 70 central axes C is perpendicular to shaft 23, and 71 central axes D of the second water chamber is perpendicular to shaft 23, and
For three water chambers, 72 central axes E perpendicular to shaft 23,70 central axes C of the first water chamber is parallel to 72 central axes E of third water chamber, the
Two water chambers, 71 central axes D is parallel to 72 central axes E of third water chamber.
The projection made of second direction projection of second port 710 can be completely covered the second through-hole 76 and throw in a second direction
It is projected made of penetrating, second direction is parallel to 76 central axes B of the second through-hole, and the second through-hole 76 is thrown made of projecting in a second direction
Shadow is contained in made of second port 710 projects in a second direction and projects.First water chamber 70, the second water chamber 71, third go out
Water cavity 72 is set up in parallel, and the second water chamber 71 is between the first water chamber 70 and third water chamber 72,75 axis of first through hole
Line A is parallel to 76 central axes B of the second through-hole.First port 700, second port 710, third port 720 are aligned, first port
700, second port 710, third port 720 are arranged in a row.First through hole 75 is Chong Die with the second through-hole 76 on one the 5th direction,
Perpendicular to 70 central axes C of the first water chamber, the 5th is oriented parallel to the water outlets of 70 central axes C of the first water chamber and second in 5th direction
Plane where 71 central axes D of chamber, the 5th direction are tilted with 75 central axes A of first through hole, 75 central axes A of first through hole and the 5th side
To in 35 degree to 50 degree angles.First through hole 75 is the drilling tilted towards first port 700.75 central axes A of first through hole with
First water chamber, 70 central axes C is in 40 degree to 55 degree angles.First communication port, 750 center to first port 700 vertical range
Less than the vertical range 3.5mm-6mm at 751 center of the second communication port to first port 700.First through hole 75 is by drill bit through
Single port 700 drills out after entering the first water chamber 70, and the second through-hole 76 is to enter the second water chamber through second port 710 by drill bit
It is drilled out after 71.First through hole 75 be 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 tilts, 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 the hole etc. that the hole milled out, laser are outputed, excellent
It is selected as drilling.
First through hole 75 is circular hole, includes the first communication port 750 and the second communication port 751 positioned at its opposite end, the
One communication port 750 between the second communication port 751 and the first water chamber 70, on a third direction the first communication port 750 and
Second communication port 751 is staggered with first port 700 completely respectively, the first communication port 750 and the second communication port on third direction
751 partly overlap or are staggered completely, and third direction is perpendicular to 70 central axes C of the first water chamber and is parallel to the first water chamber
Plane where 71 central axes D of 70 central axes C and the second water chamber.First communication port 750 and the second communication port 751 tilt relatively,
Second communication port 751 is exposed to first port 700 via the first communication port 750.Second through-hole 76 is circular hole, the second through-hole 76 packet
It includes positioned at its opposite end and tilts opposite third connecting mouth 760 and the 4th communication port 761, third connecting mouth 760 is located at
Between 4th communication port 761 and the second water chamber 71, the 4th communication port 761 is exposed to second port via third connecting mouth 760
710 or third connecting mouth 760 be exposed to third port 720 via the 4th communication port 761.It is logical that first through hole 75 is parallel to second
Hole 76 is so conducive to forming through hole more efficiently.
It is also designed to：76 edge of the second through-hole can be completely covered in projection made of third port 720 projects in a second direction
It is projected made of second direction projection, arranged symmetrically in first through hole 75 and the second through-hole 76,75 central axes A of first through hole and the
Two through-holes, 76 central axes B is in 80 degree to 100 degree angles, and third port 720 projects made of projecting in a second direction to be covered completely
The second through-hole of lid 76 projects made of projecting in a second direction, and the second through-hole 76 is the drilling tilted towards third port 720, the
Two through-holes 76 are drilled out after third port 720 enters third water chamber 72 by drill bit, and the second through-hole 76 is towards third port
720 inclined hole, third connecting mouth 760 are exposed to third port 720 via the 4th communication port 761.
Pump cover 7 further includes ending valve opening 77 to the first part of partial receipt shut-off valve 50, and first part ends valve opening
77 are connected to the second water chamber 71, and first part's cut-off valve opening 77 is extended from 7 surface of pump cover into pump cover 7.First water chamber 70
End valve opening 77 with first part by first through hole 75, the second water chamber 71 successively to be connected to, third water chamber 72 passes through successively
Second through-hole 76, the second water chamber 71 end valve opening 77 with first part and are connected to.It includes hole main body that first part, which ends valve opening 77,
770, the 4th intercommunicating pore 771, pump cover 7 further include the third cavity wall 78 for being spaced the second water chamber 71 and hole main body 770, the 4th connection
Hole 771 is through third cavity wall 78 to be connected to the second water chamber 71 and hole main body 770.First part's shut-off valve in a fourth direction
Hole 77 partly overlaps with the second water chamber 71 and is staggered completely with the first water chamber 70, and fourth direction is perpendicular to the first water chamber
Plane where 71 central axes D of 70 central axes C and the second water chamber, first part's cut-off valve opening 77 goes out with third in fourth direction
Water cavity 72 is staggered completely.Fourth direction is parallel to shaft 23.
Pump cover 7 further includes the first plunger hole 790, the second plunger hole 791, third plunger hole 792, the first intercommunicating pore 793,
Two intercommunicating pores 794, third connecting hole 795, the first inlet opening 796, the second inlet opening 797, third inlet opening 798, the first water inlet
Hole 796 extends to the first intercommunicating pore 793, and 796 the first inlet valve of partial receipt of the first inlet opening, the second inlet opening 797 extends to
Second intercommunicating pore 794,797 the second inlet valve of partial receipt 57 of the second inlet opening, third inlet opening 798 extends to third connecting hole
795,798 partial receipt third inlet valve of third inlet opening, 70 indirect communication of the first plunger hole 790 and the first water chamber, second
71 indirect communication of plunger hole 791 and the second water chamber, third plunger hole 792 and 72 indirect communication of third water chamber, 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 extend to third plunger hole 792 from third 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 second port 710 and the second intercommunicating pore 794 are located at the second water chamber 71
Two opposite sides, third port 720 and third connecting hole 795 are located at the two opposite sides of third water chamber 72.
Plunger pump further includes the first plug 51, the second plug 52, third plug 53, the first plug 51, the second plug 52,
Three plugs 53 can be independent from each other 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 are threadedly connected to the screw thread in the second water chamber 71, and third plug 53 is threadedly connected to third water chamber 72
Interior screw thread, the first plug 51 block first port 700, and the second plug 52 blocks second port 710, and third plug 53 blocks the
Three ports 720, the pump housing 61 are assembled together with pump cover 7, and the pump housing 61 is equipped with the first plunger through-hole passed through for the first plunger 80
615, the second plunger through-hole 616 for passing through for the second plunger 81, the third plunger through-hole 618 passed through for third plunger, to portion
The second part of receiving shut-off valve 50 is divided to end valve opening 619.First part ends valve opening 77 and ends 619 phase of valve opening with second part
Right, the two constitutes complete cut-off valve opening to accommodate entire shut-off valve 50.Plunger pump further includes that can be packed into the 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 packed by second port 710, can be by the
Three ports 720 are packed into the third check valve 56 of third water chamber 72.First check valve 54, the second check valve 55, third check valve
56 can be independent from each other or Contiuum type.
When plunger pump work, liquid (such as water) by water inlet pipe 613 enter plunger pump, then divide 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, passes through the first intercommunicating pore 793, the successively
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, passes through the second intercommunicating pore 794, the second check valve successively
55 enter the second water chamber 71；Liquid enters third connecting hole 795 by third inlet opening 798 all the way, in the pressurization of third plunger
Under, pass through third connecting hole 795 successively, third check valve 56 enters second into third water chamber 72, then by the second through-hole 76
Water chamber 71；The liquid of the second water chamber 71 is imported through shut-off valve 50 further downstream after shut-off valve 50, further flowed
Outlet pipe 614 is crossed, is finally sprayed through hydraulic giant.
More than, specific implementation mode only of the invention, but scope of protection of the present invention is not limited thereto, is familiar with this
The technical staff in field should be understood that the present invention including but not limited to attached drawing and the above content described in specific implementation mode.Appoint
The modification for why not deviateing the function and structure principle of the present invention is intended to be included in the range of claims.
Claims (30)
1. a kind of plunger pump pump cover, it is equipped with the of the first water chamber, the second water chamber, the first water chamber of interval and the second water chamber
One cavity wall, the first plunger hole, the second plunger hole, is discharged from first the first through hole of connection the first water chamber and the second water chamber
Chamber extends to the first intercommunicating pore of the first plunger hole, extends to the second intercommunicating pore of the second plunger hole from the second water chamber, and first
Water chamber is equipped with first port, and the second water chamber is equipped 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 opposite company
Port and the second communication port, the first communication port is between the second communication port and the first water chamber, and the second communication port is via first
Communication port is exposed to first port.
2. plunger pump pump cover according to claim 1, it is characterised in that：Further include third water chamber, the second water outlet of interval
Chamber with the second cavity wall of third water chamber, through the second cavity wall to be connected to the second through-hole of the second water chamber and third water chamber,
The outer end of third water chamber is equipped with third port, and the second through-hole includes positioned at its opposite end and tilts opposite third connecting
Mouth and the 4th communication port, between the 4th communication port and the second water chamber, the 4th communication port connects third connecting mouth via third
Port is exposed to second port or third connecting mouth is exposed to third port via the 4th communication port.
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, third water chamber are set up in parallel, and the second water chamber is located at the first water chamber and third
Between water chamber.
4. plunger pump pump cover according to claim 2, it is characterised in that：First through hole is symmetrical arranged with the second through-hole,
First water chamber, the second water chamber, third water chamber are set up in parallel, and third 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 central axes and the second through-hole central axes
In 80 degree to 100 degree angles, the first water chamber, the second water chamber, third water chamber are set up in parallel, and third 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, third port pair
Together.
7. plunger pump pump cover according to claim 2, it is characterised in that：First port, second port, third port are lined up
One row.
8. plunger pump pump cover according to claim 2, it is characterised in that：First through hole is logical with second on one the 5th direction
Hole is overlapped, and the 5th direction is tilted with first through hole central axes, and perpendicular to the first water chamber central axes, the 5th direction is flat in the 5th direction
Row plane where the first water chamber central axes and the second water chamber central axes.
9. plunger pump pump cover according to claim 2, it is characterised in that：4th communication port is exposed to via third connecting mouth
Second port, the second through-hole are the drilling tilted towards second port；Alternatively, third connecting mouth is exposed to via the 4th communication port
Third port, the second through-hole are the drilling tilted towards third port.
10. plunger pump pump cover according to claim 9, it is characterised in that：First water chamber, the second water chamber, third go out
Water cavity is set up in parallel, and for third water chamber between the first water chamber and the second water chamber, first through hole is by drill bit through first
Port drills out after entering the first water chamber, and the second through-hole is to be drilled out after second port enters the second water chamber by drill bit or the
Two through-holes are drilled out after third port enters third water chamber by drill bit.
11. plunger pump pump cover according to claim 1, it is characterised in that：First water chamber is set side by side with the second water chamber
It sets, first port is aligned with second port.
12. plunger pump pump cover according to claim 1, it is characterised in that：The first communication port and second on third direction
Communication port is staggered with first port completely respectively, and the first communication port partly overlaps or complete with the second communication port on third direction
Completely wrong to open, third direction is perpendicular to the first water chamber central axes and is parallel in the first water chamber central axes and the second water chamber
Plane where axis.
13. plunger pump pump cover according to claim 1, it is characterised in that：Further include be connected to the second water chamber to
The first part of partial receipt shut-off valve ends valve opening, and first part's cut-off valve opening is extended from pump cover surface into pump cover.
14. plunger pump pump cover according to claim 13, it is characterised in that：First water chamber successively pass through first through hole,
Second water chamber ends valve opening with first part and is connected to.
15. plunger pump pump cover according to claim 13, it is characterised in that：Further include third water chamber, interval third go out
Water cavity leads to the second cavity wall of the second water chamber, through the second cavity wall be connected to third water chamber and the second water chamber second
Hole, third water chamber passes through the second through-hole successively, the second water chamber ends valve opening with first part and is connected to.
16. plunger pump pump cover according to claim 15, it is characterised in that：First water chamber, the second water chamber, third go out
Water cavity is set up in parallel, and the second water chamber is between the first water chamber and third water chamber.
17. plunger pump pump cover according to claim 13, it is characterised in that：First part cut-off valve opening include hole main body,
4th intercommunicating pore, pump cover further include the third cavity wall for being spaced the second water chamber and hole main body, and the 4th intercommunicating pore runs through third cavity wall
To be connected to the second water chamber and hole main body.
18. plunger pump pump cover according to claim 13, it is characterised in that：First part's shut-off valve in a fourth direction
Hole partly overlaps with the second water chamber and is staggered completely with the first water chamber, and fourth direction is perpendicular to the first water chamber central axes
With plane where the second water chamber central axes.
19. plunger pump pump cover according to claim 18, it is characterised in that：Further include being set up in parallel with the second water chamber
Third water chamber, first part's cut-off valve opening is staggered completely with third water chamber in fourth direction.
20. plunger pump pump cover according to claim 1, it is characterised in that：Further include third water chamber, third plunger hole,
Extend to the third connecting hole of third plunger hole from third water chamber, third water chamber has a third port, third port and the
Tee joint hole is located at the two opposite sides of third water chamber.
21. plunger pump pump cover according to claim 1, it is characterised in that：First through hole is to tilt towards first port
Drilling.
22. plunger pump pump cover according to claim 1, it is characterised in that：In first through hole central axes and the first water chamber
Axis is in 40 degree to 55 degree angles.
23. plunger pump pump cover according to claim 1, it is characterised in that：First through hole is along complete on wherein axis direction
It is exposed to first port entirely.
24. a kind of plunger pump, it is characterised in that：Including according to claim 1 to claim 23 any one of them plunger pump
Pump cover.
25. plunger pump according to claim 24, it is characterised in that：Further include the first plug for blocking first port, envelope
Second plug of stifled second port.
26. plunger pump according to claim 24, it is characterised in that：Further include the pump housing being assembled together with pump cover,
One plunger, the second plunger, shut-off valve, the pump housing is equipped with the first plunger through-hole passed through for the first plunger, is passed through for the second plunger
Second plunger through-hole ends valve opening to the second part of partial receipt shut-off valve.
27. plunger pump according to claim 24, it is characterised in that：Further include that can the first water chamber be packed by first port
The first check valve, can by second port be packed into the second water chamber the second check valve.
28. a kind of cleaning machine, it is characterised in that：Including according to claim 24 to claim 27 any one of them plunger
Pump.
29. cleaning machine according to claim 28, it is characterised in that：It further include the plastic shell for accommodating plunger pump.
30. a kind of plunger pump pump cover is equipped with the first water chamber, the second water chamber, the first water chamber of interval and the second water chamber
First cavity wall, the first water chamber of connection and the first through hole of the second water chamber, the second plunger hole, go out from first the first plunger hole
Water cavity extends to the first intercommunicating pore of the first plunger hole, extends to the second intercommunicating pore of the second plunger hole from the second water chamber, the
One water chamber is equipped with first port, and the second water chamber is equipped 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 are located at the two opposite sides of the second water chamber with the second intercommunicating pore, it is characterised in that：First through hole
It tilts through the first cavity wall and towards first port, first through hole is completely exposed to first port, and first through hole includes being located at
Its opposite end and tilt the first opposite communication port and the second communication port, the first communication port is located at the second communication port 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 CN107091225A (en) | 2017-08-25 |
| CN107091225B true 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) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5312503A (en) * | 1976-07-21 | 1978-02-04 | Atsugi Motor Parts Co Ltd | Reciprocating plunger pumps having automatic centering means |
| JP4088738B2 (en) * | 1998-12-25 | 2008-05-21 | 株式会社デンソー | Fuel injection pump |
| JP3423915B2 (en) * | 2000-03-27 | 2003-07-07 | エス・ジーエンジニアリング株式会社 | 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 |
| CN100340766C (en) * | 2004-04-16 | 2007-10-03 | 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
Also Published As
| Publication number | Publication date |
|---|---|
| CN107091225A (en) | 2017-08-25 |
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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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