CN107755314A - A kind of jetting machine - Google Patents
A kind of jetting machine Download PDFInfo
- Publication number
- CN107755314A CN107755314A CN201610670854.XA CN201610670854A CN107755314A CN 107755314 A CN107755314 A CN 107755314A CN 201610670854 A CN201610670854 A CN 201610670854A CN 107755314 A CN107755314 A CN 107755314A
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- CN
- China
- Prior art keywords
- valve
- plunger pump
- current limliting
- cylinder body
- pressure plunger
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- Details Of Reciprocating Pumps (AREA)
Abstract
The invention discloses a kind of jetting machine,The advantages of with avoiding jet pipe closure moment hydraulic pressure excessive and damaged,Its technical scheme is as follows,High-pressure plunger pump is provided with water inlet and delivery port,High-pressure plunger pump is provided with valving,Valving includes valve body,Current limliting valve block,Valve body is fixedly connected on high-pressure plunger pump close to delivery port one end,Valve pocket is provided with valve body,Valve pocket both ends are connected with connecting tube with delivery port respectively,Current limliting valve block is arranged in valve pocket,Valve body is provided with buffering cylinder body,Sealing piston is provided with cushion dashpot body,Sealing piston is provided with the connecting rod being connected with current limliting valve block close to valve pocket one end,The buffering cylinder body other end communicates with connecting tube,Cylinder body is buffered to be provided with for sealing piston to the dynamic clamping head and quiet clamping head away from the movement of valve body one end,Current limliting valve block is provided with metering hole,Metering hole section is trapezoidal,The metering hole both ends of trapezoidal shape are respectively big bottom surface and small bottom surface,The small bottom end of metering hole is close to buffering cylinder body.
Description
Technical field
The present invention relates to a kind of cleaning machinery, more particularly to a kind of jetting machine.
Background technology
Jetting machine is to enter to draw water by motor driven high-pressure plunger pump, then delivers water into spray by high-pressure plunger pump
The ejection of enterprising horizontal high voltage, high flow rate is managed, so as to which the water sprayed can just be rinsed operation, its Cleaning principle to other equipment
For：The impulsive force of water is more than dirt and body surface adhesive force, and dirt will be peeled off, washed away by water under high pressure, reach cleaning of objects
A kind of cleaning equipment on surface, because being to clear up dirt using water jets under high pressure, only very obstinate oil stain just needs addition one
Cleaning agent is put, not so foam caused by strength hydraulic pressure is just enough to take away in general dirt, because being cleared up using water jets under high pressure
Dirt, so high-pressure wash is also one of universally acknowledged most scientific, economic, environmentally friendly cleaning mode.
The Chinese patent of Application No. 201520638978.0 discloses jetting machine, and it is provided with support, motor, height
Press pump, spray gun, motor drive high-pressure pump to be supplied water for spray gun, so as to the ejection of high-pressure hydraulic high pressure, high flow rate from spray gun, so that
Reach cleaning performance；But the valve that can be closed on spray gun when people need to be momentarily closed in course of injection, but when valve is straight
When connecing closing, high pressure caused by high-pressure pump, high flow rate water can direct momentary action on spray gun, so as to spray gun and connecting tube
Interior hydraulic pressure moment rises, and high-pressure pump detects that internal pressure just stops after too high again, so as to the longevity to spray gun and connecting tube
Life has an impact, and connecting tube easily produces explosion with spray gun when the surge of moment is excessive, so as to cause to operator
Member produces injury.
The content of the invention
It is an object of the invention to provide a kind of jetting machine, and it, which has, avoids jet pipe closure moment hydraulic pressure excessive and damaged
The advantages of.
The present invention above-mentioned technical purpose technical scheme is that：A kind of jetting machine, including
Pedestal, control cabinet, high-pressure plunger pump, jet pipe, the control cabinet, high-pressure plunger pump are fixedly connected with pedestal, the jet pipe
One end is connected by connecting tube with high-pressure plunger pump, and the high-pressure plunger pump is provided with water inlet and delivery port, the high-pressure column
Plug pump is provided with valving, and the valving includes valve body, current limliting valve block, and the valve body is fixedly connected on high-pressure plunger pump
Close to delivery port one end, valve pocket is provided with the valve body, the valve pocket both ends are connected with connecting tube with delivery port respectively, the limit
Stream valve block is arranged in valve pocket, and the valve body is provided with buffering cylinder body, and sealing piston, the sealing are provided with the cushion dashpot body
Piston is provided with the connecting rod being connected with current limliting valve block close to valve pocket one end, and the buffering cylinder body other end communicates with connecting tube, institute
State buffering cylinder body and be provided with the dynamic clamping head and quiet clamping head moved for sealing piston to remote valve body one end, the current limliting valve block is provided with limit
Discharge orifice, the metering hole section is trapezoidal, and the metering hole both ends of trapezoidal shape are respectively big bottom surface and small bottom surface, the small bottom surface of metering hole
End is close to buffering cylinder body.
By using above-mentioned technical proposal, after the valve on jet pipe is closed, high-pressure plunger pump delivery port enters connecting tube
Water by entering to buffer cylinder body away from valve body one end, entered back into because water is constantly injected in connecting tube in cushion dashpot body, so as to
Buffering cylinder body effectively serves the effect of buffering, avoids the hydraulic pressure in connecting tube from rapidly rising, and buffers cylinder body away from valve
The hydraulic pressure of body one end is gradually increasing, and when the hydraulic pressure of rising is more than the pressure of dynamic clamping head and quiet clamping head, the sealing piston meeting elasticity of compression is answered
Position part flows to valve body one end, so as to which sealing piston drives connecting rod to be moved to valve body one end, so as to which connecting rod promotes flow-limiting valve
Piece moves in valve pocket, and because current limliting valve block is provided with metering hole, metering hole section is trapezoidal, the metering hole two of trapezoidal shape
End is respectively big bottom surface and small bottom surface, and the small bottom end of metering hole is close to buffering cylinder body, due to metering hole portion and delivery port
Communicate, so as to which metering hole and delivery port form the passage for supplying water and flowing, and after current limliting valve block is promoted by connecting rod, current limliting
The passage that valve block is formed with delivery port gradually reduces, and is gradually reduced hence into the current in connecting tube, so as to high-pressure column
The pump-out of plug pump also gradually decreases, and so as to also enable high-pressure plunger pump slowly to shut down, avoids instantaneous stop from causing to damage, from
And effectively avoid jet pipe closure moment hydraulic pressure it is excessive and damaged, improve service life, and it also avoid jet pipe with being connected
Pipe produces explosion, and use is more safe.
Further, the current limliting valve block is provided with the sealing valve plate for confessing mouth of a river sealing close to buffering cylinder body one end.
By using above-mentioned technical proposal, after the valve on jet pipe is closed, current limliting valve block is promoted to move by connecting rod,
So that the passage between delivery port and metering hole gradually decreases, but in the entrance connecting tube that current still can be persistently, so as to even
The promotion current limliting valve block movement that extension bar can continue, so as to which sealing valve plate is pushed into water outlet, so as to which sealed valve can be directly
Delivery port is sealed, so as to which water will not be flowed into connecting tube again, so as to effectively avoid the lasting rising of the hydraulic pressure in connecting tube,
So as to effectively avoid connecting tube, jet pipe explosion.
Further, the current limliting valve block both sides are equipped with ball, and the ball contradicts with valve pocket.
By using above-mentioned technical proposal, due to limiting current when flow-limiting valve sector-meeting, so as to part caused by water flowing
Pressure can be acted on current limliting valve block, so as to which ball is effectively reduced the frictional force between current limliting valve block and valve pocket, so that
Current limliting valve block can be slided preferably to limit delivery port and passage caused by metering hole, so as to improve the validity used.
Further, the dynamic clamping head and quiet clamping head is back-moving spring.
By using above-mentioned technical proposal, when sealing piston moves, active force is acted on back-moving spring, so as to reset
Spring provides the elastic force resetted for sealing piston, when buffering pressure of the cylinder body away from valve body one end is less than the elastic force of back-moving spring
When, back-moving spring promotes sealing piston to buffering cylinder body away from valve body one end, so that current limliting valve block is opened, so that high pressure
Water is pressed into connecting tube by plunger pump again, so as to resume work.
Further, the pedestal is provided with centrifugal pump, water tank, and the centrifugal pump is connected with water tank, the water inlet
Mouth is connected with water tank.
By using above-mentioned technical proposal, the water in the external world is extracted into water tank by centrifugal pump to be stored, is filtered, so as to high
Hydraulic plunger pump directly can be drawn water out of water tank, so as to avoid the debris in the external world from influenceing the normal work of high-pressure plunger pump
Make, and carrying capacity all acts on to enter hydraulic pressure in connecting tube caused by high-pressure plunger pump, so as to effectively raise high-pressure column
Fill in the pressure water effect of pump.
Further, it is provided with air bleeding valve at the top of the water tank.
By using above-mentioned technical proposal, after water is extracted into water tank by centrifugal pump, because external environment is complicated, so as to
The flow of water being extracted into water tank must carry more air, and air can influence jet pipe normal work after being input to jet pipe, from
And after water is extracted on water tank, the lighter weight of air, so as to which air can be gathered at the top of water tank, so as to when air accumulation compared with
After more, people can open air bleeding valve and discharge the air assembled in water tank, so as to avoid influenceing jet pipe normal use.
Further, circulating cooling water route is provided with the high-pressure plunger pump, the circulating cooling water route connects with connecting tube
Connect.
By using above-mentioned technical proposal, when jet pipe is sprayed water, part water flows through circulating cooling water route before ejection,
So as to effectively take away the heat in high-pressure plunger pump by heat exchange action, so as to effectively produce radiating to high-pressure plunger pump
Effect.
Further, the pedestal is provided with retainer ring, and support feet is fixedly connected with the retainer ring, and the support feet is consolidated
Surely it is connected on pedestal, the retainer ring inner circumference side contradicts with water tank excircle side.
By using above-mentioned technical proposal, support feet effectively fixes retainer ring, in being essentially functionsed as due to water tank
Between over effect, and inside can filter to debris etc., so as to need frequent disassembly, cleaning inside water tank, so as to standpipe
It is just erectile after being separated with high-pressure plunger pump and centrifugal pump to be extracted from retainer ring, and it is inserted into retainer ring after cleaning
It is upper to can be achieved to fix, consequently facilitating water tank removes and installs.
Further, the retainer ring inner circumference side is additionally provided with buffer rubber gasket.
By using above-mentioned technical proposal, buffer rubber gasket effectively plays the vibration between retainer ring and water tank, keeps away
The scuffing of water tank outer surface is exempted from.
Further, the retainer ring is provided with breach, and the breach both sides have been fixedly connected with stator, described in two
Stator is fixedly connected by screw.
By using above-mentioned technical proposal, water tank is hindered to remove and install when buffer rubber gasket extrudes water tank tension
When, people open screw, so that two stators can be freely movable, so as to which people pull stator just to widen breach,
So as to which retainer ring can be opened effectively in diastole, consequently facilitating water tank removes and installs.
In summary, the invention has the advantages that：
1st, hydraulic pressure is entered connecting tube by high-pressure plunger pump, and when jet pipe is closed, the water of press-in promotes current limliting valve, so as to current limliting valve
The flow into connecting tube is gradually decreased, so as to realize slow closing, reduces the high hydraulic pressure of big flow to jet pipe and connecting tube
Infringement is produced, improves service life；
2nd, water tank effectively stores the water being pumped into by centrifugation, so as to carry out effectively buffering and filtering to water, reduces
Influence of the external impurities to high-pressure plunger pump, and reduce the pressure of drawing water of high-pressure plunger pump.
Brief description of the drawings
Fig. 1 is the stereogram of the embodiment of the present invention 1；
Fig. 2 is valving passage full open position figure of the present invention；
Fig. 3 is valving passage deflated state figure of the present invention；
Fig. 4 is valving passage fully closed condition figure of the present invention；
Fig. 5 is the stereogram of the embodiment of the present invention 2；
Fig. 6 is the sectional view of high-pressure plunger pump of the present invention；
Fig. 7 is the stereogram of the embodiment of the present invention 3；
Fig. 8 is the enlarged drawing of A in Fig. 7.
In figure, 1, pedestal；2nd, case processed；3rd, high-pressure plunger pump；31st, water inlet；32nd, delivery port；33rd, circulating cooling water route；
4th, valving；41st, valve body；411st, valve pocket；42nd, current limliting valve block；43rd, cylinder body is buffered；44th, sealing piston；45th, connecting rod；46、
Dynamic clamping head and quiet clamping head；47th, metering hole；48th, sealing valve plate；49th, ball；5th, connecting tube；6th, centrifugal pump；7th, water tank；71st, it is vented
Valve；81st, retainer ring；811st, breach；812nd, stator；813rd, screw；82nd, support feet；83rd, buffer rubber gasket.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
Embodiment 1：A kind of jetting machine, as shown in Figure 1, 2, including pedestal 1, control cabinet 2, high-pressure plunger pump 3, spray
Pipe, control cabinet 2, high-pressure plunger pump 3 are bolted to connection on pedestal 1, and control cabinet 2 controls opening for high-pressure plunger pump 3
Open and close, and pressure when high-pressure plunger pump 3 works can directly be detected by control cabinet 2, it is high so as to carry out automatically regulation
The pressure water size of hydraulic plunger pump 3, jet pipe one end are connected by connecting tube 5 with high-pressure plunger pump 3, and people operate the switch on jet pipe
Water spray is realized, and people can operate jet pipe and carry out being rinsed device cleaning, high-pressure plunger pump 3 is provided with water inlet 31 with going out
The mouth of a river 32, water enters high-pressure plunger pump 3 by water inlet 31, then water is passed through into delivery port 32 by the effect of high-pressure plunger pump 3
It is pressed into connecting tube 5, so that producing higher hydraulic pressure in connecting tube 5, is easy to jet pipe to spray water, high-pressure plunger pump 3 is provided with valve
Door gear 4, valving 4 include valve body 41, current limliting valve block 42, and valve body 41 is fixedly connected on high-pressure plunger pump 3 close to delivery port
32 one end, valve body 41 is interior to be provided with valve pocket 411, and the both ends of valve pocket 411 are connected with connecting tube 5 with delivery port 32 respectively, current limliting valve block 42
It is arranged in valve pocket 411, valve body 41 is provided with buffering cylinder body 43, and sealing piston 44, sealing piston 44 are provided with buffering cylinder body 43
The connecting rod 45 being connected with current limliting valve block 42 is provided with close to the one end of valve pocket 411, the buffering other end of cylinder body 43 communicates with connecting tube 5,
Buffer cylinder body 43 and be provided with the dynamic clamping head and quiet clamping head 46 moved for sealing piston 44 to remote one end of valve body 41, set on current limliting valve block 42
Restricted orifice 47, the section of metering hole 47 is trapezoidal, and the both ends of metering hole 47 of trapezoidal shape are respectively big bottom surface and small bottom surface, metering hole
47 small bottom ends are close to buffering cylinder body 43.
As shown in Figure 3,4, after the valve on jet pipe is closed, the water that the delivery port 32 of high-pressure plunger pump 3 enters connecting tube 5 leads to
Cross into cylinder body 43 is buffered away from the one end of valve body 41, entered back into because water is constantly injected in connecting tube 5 in buffering cylinder body 43, so as to
Buffering cylinder body 43 effectively serves the effect of buffering, avoids the hydraulic pressure in connecting tube 5 from rapidly rising, and it is remote to buffer cylinder body 43
Hydraulic pressure from the one end of valve body 41 is gradually increasing, when the hydraulic pressure of rising is more than the pressure of dynamic clamping head and quiet clamping head 46, the meeting of sealing piston 44
Elasticity of compression return unit 46 flows to the one end of valve body 41, so as to which sealing piston 44 drives connecting rod 45 to be moved to the one end of valve body 41,
So as to which connecting rod 45 promotes current limliting valve block 42 to be moved in valve pocket 411, because current limliting valve block 42 is provided with metering hole 47, limit
The section of discharge orifice 47 is trapezoidal, and the both ends of metering hole 47 of trapezoidal shape are respectively big bottom surface and small bottom surface, and 47 small bottom end of metering hole is leaned on
Nearly buffering cylinder body 43, because the portion of metering hole 47 communicates with delivery port 32, so that metering hole 47 forms with delivery port 32
Supply water the passage flowed, and after current limliting valve block 42 is promoted by connecting rod 45, current limliting valve block 42 forms logical with delivery port 32
Road gradually reduces, and is gradually reduced hence into the current in connecting tube 5, also gradual so as to the pump-out of high-pressure plunger pump 3
Reduce, so as to also enable high-pressure plunger pump 3 slowly shut down, avoid instantaneous stop from causing to damage, so as to effectively avoid spray
Pipe closure moment hydraulic pressure is excessive and damaged, improves service life, and it also avoid jet pipe and produce explosion with connecting tube 5, makes
With more safe.
After the valve on jet pipe is opened, jet pipe sprays the water under high pressure in connecting tube 5, so as to the pressure in connecting tube 5
Power is gradually reduced, and is reduced so as to buffer one end hydraulic pressure of the cylinder body 43 away from valve body 41, so as to answering by dynamic clamping head and quiet clamping head 46
Position elastic force effect effectively by sealing piston 44 to buffering cylinder body 43 away from the one end of valve body 41 promote, so as to sealing piston 44 shifting
It is dynamic to drive connecting rod 45 to be pulled current limliting valve block 42 to buffering cylinder body 43 one end so that metering hole 47 and delivery port 32 it
Between the passage that is formed gradually increase so that high-pressure plunger pump 3 normally can be supplied water for jet pipe, so as to connecting tube 5
Interior pressure energy gradually returns to normal work hydraulic pressure, causes to set so as to effectively avoid the larger change of hydraulic pressure generation
Standby damage, effectively raises service life.
As shown in Figure 3,4, current limliting valve block 42 is provided with the sealing valve plate for confessing the sealing of the mouth of a river 32 close to buffering cylinder body 43 one end
48, after the valve on jet pipe is closed, promote current limliting valve block 42 to move by connecting rod 45, so that delivery port 32 and metering hole
Passage between 47 gradually decreases, but in the entrance connecting tube 5 that current still can be persistently, so that the promotion that connecting rod 45 can continue
Current limliting valve block 42 moves, so as to which sealing valve plate 48 is pushed at delivery port 32, so as to which sealed valve can be directly by delivery port 32
Sealing, so as to which water will not flow into connecting tube 5 again, so as to effectively avoid the lasting rising of the hydraulic pressure in connecting tube 5, so as to have
Effect avoids connecting tube 5, jet pipe explosion.
As shown in figure 3, the both sides of current limliting valve block 42 are equipped with ball 49, ball 49 contradicts with valve pocket 411, dynamic clamping head and quiet clamping head 46
For back-moving spring, due to current can be limited when current limliting valve block 42, so as to which partial pressure caused by water flowing can act on current limliting
On valve block 42, so as to which ball 49 is effectively reduced the frictional force between current limliting valve block 42 and valve pocket 411, so that current limliting valve block
42 can preferably slide to limit delivery port 32 and passage caused by metering hole 47, so as to improve the validity used, when close
Active force is acted on back-moving spring when envelope piston 44 moves, so as to which back-moving spring is that sealing piston 44 provides the elastic force resetted,
When buffering pressure of the cylinder body 43 away from the one end of valve body 41 and being less than the elastic force of back-moving spring, back-moving spring is by sealing piston 44 to slow
Rush cylinder body 43 to promote away from the one end of valve body 41, so that current limliting valve block 42 is opened, so that water is pressed into by high-pressure plunger pump 3 again
In connecting tube 5, so as to resume work.
Embodiment 2：A kind of jetting machine, it is with the difference of embodiment 1, as shown in figure 5, pedestal 1 is provided with
Centrifugal pump 6, water tank 7, centrifugal pump 6 are connected with water tank 7, and the water inlet 31 is connected with water tank 7, and the top of water tank 7 is set
There is air bleeding valve 71.
The water in the external world is extracted into water tank 7 and is stored, filters by centrifugal pump 6, so as to high-pressure plunger pump 3 can directly from
Drawn water in water tank 7, so as to avoid the debris in the external world from influenceing the normal work of high-pressure plunger pump 3, and high-pressure plunger pump 3 produces
Raw carrying capacity, which all acts on, enters hydraulic pressure in connecting tube 5, so as to effectively raise the pressure water effect of high-pressure plunger pump 3,
After water is extracted into water tank 7 by centrifugal pump 6, because external environment is complicated, so as to which the flow of water being extracted into water tank 7 must carry
More air, and air can influence jet pipe normal work after being input to jet pipe, after being extracted into so as to water on water tank 7, air
Lighter weight, so as to which air can be gathered in the top of water tank 7, so as to which after air accumulation is more, people can open air bleeding valve
71 discharge the air of aggregation in water tank 7, so as to avoid influenceing jet pipe normal use.
As shown in fig. 6, being provided with circulating cooling water route 33 in high-pressure plunger pump 3, circulating cooling water route 33 connects with connecting tube 5
Connect, when jet pipe is sprayed water, part water flows through circulating cooling water route 33 before ejection, so as to effective by heat exchange action
The heat in high-pressure plunger pump 3 is taken away, so as to effectively produce the effect of radiating to high-pressure plunger pump 3.
Embodiment 3：A kind of jetting machine, it is with the difference of embodiment 2, as shown in Figure 7,8, pedestal 1 is provided with
Retainer ring 81, support feet 82 is fixedly connected with retainer ring 81, support feet 82 is fixedly connected on pedestal 1, the inner circle of retainer ring 81
All sides contradict with the excircle side of water tank 7, and the inner circumference side of retainer ring 81 is additionally provided with buffer rubber gasket 83.
Because water tank 7 essentially functionss as intermediate transition effect, and inside can filter to debris etc., so as to water tank
Frequent disassembly, cleaning are needed inside 7, it is just erectile from solid after being separated so as to standpipe with high-pressure plunger pump 3 and centrifugal pump 6
Determine to extract on ring 81, and clean after be inserted into retainer ring 81 i.e. can be achieved fixation, consequently facilitating the dismounting of water tank 7 and
Installation, buffer rubber gasket 83 effectively play the vibration between retainer ring 81 and water tank 7, avoid the outer surface of water tank 7 and draw
Wound.
Retainer ring 81 is provided with breach 811, and the both sides of breach 811 have been fixedly connected with stator 812, and two described solid
Stator 812 is fixedly connected by screw 813, hinders the dismounting of water tank 7 and peace when buffer rubber gasket 83 extrudes the tension of water tank 7
During dress, people open screw 813, so that two stators 812 can be freely movable, so as to which people pull stator 812 with regard to energy
Breach 811 is widened, so as to which retainer ring 81 can be opened effectively in diastole, consequently facilitating water tank 7 removes and installs.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected in the right of invention by Patent Law.
Claims (10)
1. a kind of jetting machine, including pedestal (1), control cabinet (2), high-pressure plunger pump (3), jet pipe, the control cabinet (2),
High-pressure plunger pump (3) is fixedly connected with pedestal (1), and described jet pipe one end is connected by connecting tube (5) and high-pressure plunger pump (3)
Connect, it is characterized in that：The high-pressure plunger pump (3) is provided with water inlet (31) and delivery port (32), on the high-pressure plunger pump (3)
Provided with valving (4), the valving (4) includes valve body (41), current limliting valve block (42), and the valve body (41) is fixedly connected
In high-pressure plunger pump (3) valve pocket (411), the valve pocket (411) two are provided with delivery port (32) one end, the valve body (41)
End is connected with connecting tube (5) with delivery port (32) respectively, and the current limliting valve block (42) is arranged in valve pocket (411), the valve body
(41) buffering cylinder body (43) is provided with, is provided with sealing piston (44) in the buffering cylinder body (43), the sealing piston (44) is leaned on
Nearly valve pocket (411) one end is provided with the connecting rod (45) being connected with current limliting valve block (42), buffering cylinder body (43) other end and company
Adapter (5) is communicated, and the buffering cylinder body (43) is provided with for sealing piston (44) to the elasticity away from the movement of valve body (41) one end
Return unit (46), the current limliting valve block (42) are provided with metering hole (47), metering hole (47) section be it is trapezoidal, trapezoidal shape
Metering hole (47) both ends are respectively big bottom surface and small bottom surface, and metering hole (47) small bottom end is close to buffering cylinder body (43).
2. a kind of jetting machine according to claim 1, it is characterized in that：The current limliting valve block (42) is close to buffering cylinder body
(43) one end is provided with the sealing valve plate (48) for confessing the mouth of a river (32) sealing.
3. a kind of jetting machine according to claim 2, it is characterized in that：Current limliting valve block (42) both sides are equipped with rolling
Pearl (49), the ball (49) contradict with valve pocket (411).
4. a kind of jetting machine according to claim 3, it is characterized in that：The dynamic clamping head and quiet clamping head (46) is reset bullet
Spring.
5. a kind of jetting machine according to claim 1, it is characterized in that：The pedestal (1) be provided with centrifugal pump (6),
Water tank (7), the centrifugal pump (6) are connected with water tank (7), and the water inlet (31) is connected with water tank (7).
6. a kind of jetting machine according to claim 5, it is characterized in that：Air bleeding valve is provided with the top of the water tank (7)
(71)。
7. a kind of jetting machine according to claim 6, it is characterized in that：Circulation is provided with the high-pressure plunger pump (3)
Cooling water channel (33), the circulating cooling water route (33) are connected with connecting tube (5).
8. a kind of jetting machine according to claim 7, it is characterized in that：The pedestal (1) is provided with retainer ring (81), institute
State and support feet (82) is fixedly connected with retainer ring (81), the support feet (82) is fixedly connected on pedestal (1), the fixation
Ring (81) inner circumference side contradicts with water tank (7) excircle side.
9. a kind of jetting machine according to claim 8, it is characterized in that：Retainer ring (81) inner circumference side is also set
There is buffer rubber gasket (83).
10. according to a kind of jetting machine described in claim 9, it is characterized in that：The retainer ring (81) is provided with breach
(811), breach (811) both sides have been fixedly connected with stator (812), and two stators (812) pass through screw
(813) it is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610670854.XA CN107755314B (en) | 2016-08-15 | 2016-08-15 | High-pressure cleaning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610670854.XA CN107755314B (en) | 2016-08-15 | 2016-08-15 | High-pressure cleaning machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107755314A true CN107755314A (en) | 2018-03-06 |
| CN107755314B CN107755314B (en) | 2019-12-13 |
Family
ID=61259956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610670854.XA Active CN107755314B (en) | 2016-08-15 | 2016-08-15 | High-pressure cleaning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107755314B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109158360A (en) * | 2018-11-05 | 2019-01-08 | 滁州市云米工业设计有限公司 | A kind of cleaning equipment and cleaning method for automobile gear |
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| CN1952449A (en) * | 2005-10-20 | 2007-04-25 | 张元利 | Pilot piston type stop valve |
| CN201318488Y (en) * | 2008-11-27 | 2009-09-30 | 上海明珠阀门制造有限公司 | Hydraulic control valve |
| CN203862593U (en) * | 2014-05-26 | 2014-10-08 | 熊猫通用机械集团有限公司 | High-pressure washing machine |
| JP5730230B2 (en) * | 2012-03-16 | 2015-06-03 | 株式会社丸山製作所 | washing machine |
| CN204912155U (en) * | 2015-08-22 | 2015-12-30 | 杨文德 | High pressure cleaning machine |
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| US1743055A (en) * | 1926-05-12 | 1930-01-07 | Willis B Walker | Unloader |
| US5694976A (en) * | 1993-07-27 | 1997-12-09 | Paul Hammelmann Maschinenfabrik Gmbh | Extremely high pressure pump for distributing water to several appliances |
| CN2706249Y (en) * | 2003-07-31 | 2005-06-29 | 苏州黑猫(集团)有限公司 | High pressure cleaning machine gun stoppage control device |
| CN1952449A (en) * | 2005-10-20 | 2007-04-25 | 张元利 | Pilot piston type stop valve |
| CN2835654Y (en) * | 2005-12-06 | 2006-11-08 | 湖南泵阀制造有限公司 | Slurry type multifunctional water pump control valve |
| CN201318488Y (en) * | 2008-11-27 | 2009-09-30 | 上海明珠阀门制造有限公司 | Hydraulic control valve |
| JP5730230B2 (en) * | 2012-03-16 | 2015-06-03 | 株式会社丸山製作所 | washing machine |
| CN203862593U (en) * | 2014-05-26 | 2014-10-08 | 熊猫通用机械集团有限公司 | High-pressure washing machine |
| CN204912155U (en) * | 2015-08-22 | 2015-12-30 | 杨文德 | High pressure cleaning machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109158360A (en) * | 2018-11-05 | 2019-01-08 | 滁州市云米工业设计有限公司 | A kind of cleaning equipment and cleaning method for automobile gear |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107755314B (en) | 2019-12-13 |
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