CN209424165U - A kind of jetting machine - Google Patents
A kind of jetting machine Download PDFInfo
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- CN209424165U CN209424165U CN201822204915.0U CN201822204915U CN209424165U CN 209424165 U CN209424165 U CN 209424165U CN 201822204915 U CN201822204915 U CN 201822204915U CN 209424165 U CN209424165 U CN 209424165U
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- installation cavity
- reset spring
- pump housing
- pressure
- interlocking bar
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Abstract
The utility model discloses a kind of jetting machines, it includes engine, high-pressure plunger pump, the high-pressure plunger pump installation is on the engine, the pump housing of the high-pressure plunger pump is equipped with water outlet, the engine is equipped with carburetor, the carburetor is equipped with the rocker arm of control throttle, and the jetting machine is additionally provided with linkage speed-regulating part.Jetting machine reduces the linkage speed-regulating part of accelerator open degree by setting dedicated for monitoring pressure and when pressure is excessive, and the component of response pressure variation is built in the speed-regulating part that links, linkage speed-regulating part is influenced minimum and cannot be manually actuated by external interference, entire jetting machine can not be manually operated at linkage speed-regulating part, improve safety when use.
Description
Technical field
The utility model relates to coordinate water outlet hydraulic pressure and throttle on a kind of jetting machine more particularly to the jetting machine
The linkage speed regulating structure of aperture.
Background technique
Traditional jetting machine during the work time, whether no matter open by spray gun, and engine throttle is in maximum always
Position, engine runs at high speed always and water outlet is always maintained at high pressure.Not only waste of energy in this way, but also due to high-pressure column
Plug pump runs at high speed always, and pressure cannot get off-load, substantially reduce the service life of high-pressure plunger pump.In the prior art in order to drop
Pressure when low no-load state provides a kind of reduction technology of mating Throttle Opening Control structure, can accomplish to subtract when spray gun is closed
Small throttle increases throttle to reduce pressure, when spray gun is opened to improve the purpose of pressure.The core of the reduction technology is throttle control
Structure processed, Throttle Opening Control structure generate the operation structure of accelerator open degree variation.Common Throttle Opening Control structure includes mechanical oil
Door control structure and electric-controlled type Throttle Opening Control structure.Since electric-controlled type Throttle Opening Control structure control precision is high, energy saving is obvious
The advantages that, it is applied on the high-end equipments such as high-power high voltage cleaning equipment, ultrasonic cleaning apparatus, flexible cleaning equipment.Machine
Tool formula Throttle Opening Control structure adjusts the aperture of engine throttle, mechanical oil using machine power by various mechanical driving devices
Door control structure simple, cheap, reliable operation with mechanical structure, is used in general environment washing and cleaning operation equipment,
For example, being used for the jetting machine of carwash, the jetting machine for removing line clogging object, for the height of road Health Maintenance
It presses in the low side devices such as cleaning machine.
Jetting machine with mechanical Throttle Opening Control structure is equipped with high-pressure plunger pump and overflow valve, and overflow valve can
In the position of valve rod of the pressure change process change inside it of water outlet, mechanical Throttle Opening Control structure is according to overflow valve
Valve rod has changed the reasonable control process for feeding back the pressure of corresponding water outlet.Such as Publication No. disclosed on April 2nd, 2014
The patent name of CN203515826U be a kind of throttle linkage speed adjusting gear on cleaning machine Chinese patent disclosed in,
Throttle linkage speed adjusting gear controls opening for engine air control shutter for connecting engine air control shutter and overflow valve, and by overflow valve
Greatly and turn down.The function of the aperture of throttle can be adjusted using the side-to-side movement of the plunger pump overflow valve on cleaning machine using it,
Throttle is closed when making to clean machine gun, and internal combustion engine is in idle running.
Since the motion process of the valve rod of overflow valve is based on pressure change process, pressure is more than then will start for certain value
Overflow valve, and then driving stem moves, this namely indicates that the movement tendency of valve rod is caused by pressure is excessive.The effect of overflow valve
It is to be off-load when pressure is excessive, however, the prior art controls throttle by intercepting the movement tendency of valve rod, causes overflow valve
Need to undertake the task except script function, the component connecting with valve rod has the case where hindering stem movement, therefore increases
The pressure value of starting overflow valve, thus jetting machine using when need regulation relief valve and match mechanical Throttle Opening Control
The starting threshold value of structure, otherwise can make overflow valve irregular working.Adjusting operation can arbitrarily carry out after product export, show
It is so, such that using mode of operation, there are security risks.In particular, the starting state of overflow valve is adjusted in excess pressure
When, pressure regulation effect loses meaning.
So the prior art has the jetting machine of mechanical Throttle Opening Control structure, that there are job stabilitys is low, uses
The low problem of safety.
Summary of the invention
The technical problems to be solved in the utility model is how to improve the safety using jetting machine and improve high
Press the job stability of cleaning machine.
In order to solve the above technical problems, the utility model adopts the following technical solution: the jetting machine include engine,
High-pressure plunger pump, on the engine, the pump housing of the high-pressure plunger pump is equipped with water outlet, described for the high-pressure plunger pump installation
Engine is equipped with carburetor, and the carburetor is equipped with the rocker arm of control throttle, and the jetting machine is additionally provided with linkage and adjusts
Fast component, the linkage speed-regulating part are equipped with interlocking bar, reset spring I, rotating arm, reset spring II, throttle linkage drag-line, institute
The pump housing is stated equipped with installation cavity I and pressure feedback channel, the interlocking bar is movably arranged in sliding manner in installation cavity I, institute
State interlocking bar one end be located in installation cavity I as force side, interlocking bar the other end as operation end towards pump housing outside and
Liquid is tightly connected between the operation end of interlocking bar and the pump housing, and the reset spring I is located in installation cavity I, the reset spring I
One end is connect with the pump housing, the other end of reset spring I is connect with interlocking bar, and the pressure feedback channel is connected to water outlet, institute
Pressure feedback channel is stated also to be connected to installation cavity I, the pressure feedback channel connect with installation cavity I connection position be located at installation
Chamber I is used to accommodate the end of the force side of interlocking bar, and the pump housing is equipped with balance hole, and the installation cavity I is resetted for accommodating
The region of spring I is connected to by balance hole with water outlet, and the rotating arm is movably arranged on the pump housing with rotating manner, the rotation
One end of pivoted arm is located in the motion range at the operation end of interlocking bar, the other end of the rotating arm and the one of throttle linkage drag-line
End connection, the other end of the throttle linkage drag-line are connect with rocker arm, and one end of the reset spring II connect with the pump housing, resets
The other end of spring II is connect with rotating arm, and the reset spring II pushes rotating arm towards the direction for pulling throttle linkage drag-line
Movement.
The linkage speed-regulating part that jetting machine has fully relies on self structure and goes detection pressure size, thus avoids
The drawbacks of movement tendency of the valve rod of interception overflow valve is brought, so that overflow valve only needs to maintain original function, to guarantee
The job stability of system based on overflow valve work, also improves the job stability of jetting machine on the whole.Connection
The component of main detection pressure is interlocking bar, the pressure of water outlet and the opposition of reset spring I on dynamic speed-regulating part
Between difference become larger after interlocking bar be just pushed outwardly, so, linkage speed-regulating part height is independently of on function interdependency
Other components on cleaning machine are pressed, and the interlocking bar for the speed-regulating part that links, reset spring I are embedding structure, linkage speed regulation
Component is influenced minimum and cannot be manually actuated by external interference, and entire jetting machine can not be manual at linkage speed-regulating part
Operation, and then evaded in the prior art since security risk when existing use is manually operated.
Due to mechanical structure lag attribute intrinsic in power transmission process, power transmission efficiency problem is not only brought,
The problem of also control process being brought to lag.Certainly, such lag issues technical solution not high for control accuracy requirement produces
Raw influence is limited, but lag issues are easy to be influenced and amplified by other machinery problem, in order to avoid mechanical problem causes
The buck functionality failure of linkage speed-regulating part, speed-regulating part inside of linking in the technical scheme are provided with one with the function that shuts off
Can structure, it is excessive once pressure at the same can not reduce pressure or only abrupt pressure change and it is excessive when, to function of shutting off
High pressure water flow will be prevented to go out the mouth of a river to flow outwardly.Structure with function of shutting off is cutout cut-off component, and the cutout is cut
Only component includes retaining ring, reset spring III, balance plunger, is equipped with through-hole among the retaining ring, the retaining ring is fixed on the pump housing
And be located in water outlet, the reset spring III, balance plunger are located in water outlet, and the outer diameter of the balance plunger is less than water outlet
The internal diameter of mouth, one end of the reset spring III is connect with retaining ring, the other end of reset spring III is connect with balance plunger, described
Reset spring III pushes balance plunger and is embedded in one end of balance plunger in balance hole, the other end court of the balance plunger
To retaining ring and balance plunger can be tightly connected after the elastic force for overcoming reset spring III with retaining ring liquid.Cutout cut-off component is being discharged
It can be moved according to water pressure at mouthful, its spring III that is reset is pushed in balance hole under general normal pressure, that is, flat
The connection status to weigh in one end insertion balance hole of plunger.When hydraulic pressure is excessive and abnormal, balance plunger along water flow movement, overcome
It is tightly withstood on retaining ring after the elastic force of reset spring III and forms liquid and be tightly connected relationship, at this point, flow path is truncated, water outlet
It is anhydrous at mouthful to be provided out；High pressure maintains and has been started up interlocking bar movement, makes to the speed-regulating part that entirely links lasting and strong
Engine can be forced to reduce output power after the movement of the adjustment throttle of property processed, finally turn hydraulic pressure down.Therefore, cutout cut-off
Component plays the role of two, and first is the abnormal water flow for avoiding the outside output pressure of jetting machine excessive, guarantees using operation
The safety of process, second is forced adjustment throttle to turn hydraulic pressure down.Important guaranteeing role is played in safety operation level.
The excessive and abnormal state of hydraulic pressure can also solve the exception other than forced adjustment throttle by pressure release mode
Situation.For this purpose, linkage speed-regulating part is additionally provided with pressure release component in the technical scheme, the pressure release component includes reset spring
IV, steel ball, the pump housing are equipped with pressure release passage, and the pressure release passage includes installation cavity II and relief hole, the installation cavity II
It is in the same center line with relief hole, the internal diameter of the installation cavity II is greater than the internal diameter of relief hole, and the pressure release passage is located at
On the extending direction of the center line of installation cavity I, the installation cavity I, installation cavity II are all connected between pressure feedback channel, described
Reset spring IV, steel ball are located in installation cavity II, and the steel ball can be between sliding motion and steel ball and the pump housing in installation cavity II
Liquid is tightly connected, and the relief hole is connected to installation cavity II and is connected to outside relief hole and the pump housing, and the reset spring IV pushes
Steel ball and connect the force side of steel ball and interlocking bar, the steel ball moves with interlocking bar.Pressure release component operation is with connection
Lever moves together, i.e., in Throttle Opening Control, steel ball is detached from installation cavity II under the promotion of reset spring IV, and water can be from relief hole
It flows outwardly.Pressure release mode solves excessive hydraulic pressure and situation occurs to can further improve safety using jetting machine.
The utility model is by adopting the above technical scheme: jetting machine is by setting dedicated for monitoring pressure and in pressure
The linkage speed-regulating part of accelerator open degree is reduced when excessive, and the component of response pressure variation is built in the speed-regulating part that links,
Linkage speed-regulating part is influenced minimum and cannot be manually actuated by external interference, and entire jetting machine is at linkage speed-regulating part
It can not be manually operated, improve safety when use.
Detailed description of the invention
The utility model is further described in detail with reference to the accompanying drawings and detailed description.
Fig. 1 is a kind of linkage speed-regulating part scheme of installation I of jetting machine of the utility model；
Fig. 2 is the partial enlarged view of Fig. 1；
Fig. 3 is a kind of linkage speed-regulating part scheme of installation II of jetting machine of the utility model.
Specific embodiment
Jetting machine includes engine, high-pressure plunger pump 1.High-pressure plunger pump 1 is installed on the engine, high-pressure plunger pump
1 pump housing is equipped with water outlet 2.Engine be equipped with carburetor 3, carburetor 3 be equipped with control throttle Rocker arm 4, Rocker arm 4 with
Swing mode moves, and the aperture of throttle can change therewith after driving Rocker arm 4 movement, and then play the work for adjusting the power of engine
With.As shown in Figure 1, 2, 3, jetting machine is additionally provided with linkage speed-regulating part.The speed-regulating part that links is used for according to 2 hydraulic pressure of water outlet
Carry out adjusting power of engine.Hydraulic pressure then turns engine power down beyond setting value, to achieve the purpose that reduce hydraulic pressure；Water
It forces down in setting value, then engine power is turned up, to achieve the purpose that improve hydraulic pressure.
Link speed-regulating part be equipped with interlocking bar 5, reset spring I 6, rotating arm 7, reset spring II 8, throttle linkage drag-line 9,
Cutout cut-off component, pressure release component.
Cavity structure is equipped in the pump housing of high-pressure plunger pump 1, which includes that installation cavity I 11 and pressure feedback are logical
Road 12.Installation cavity I 11 and pressure feedback channel 12 all close on water outlet 2, and the pump housing is arranged between installation cavity I 11 and water outlet 2
One balance hole 10, the shape of the balance hole 10 be it is round table-like, installation cavity I 11 is connected to by balance hole 10 with water outlet 2.Pressure
Force feedback channel 12 is straight structure, and the internal diameter of pressure feedback channel 12 will be far smaller than the mean inside diameter of installation cavity I 11.
Interlocking bar 5, reset spring I 6 are installed in installation cavity I 11.The generally rod-like structure of interlocking bar 5, installation cavity I 11
One end form opening on the pump housing, interlocking bar 5 is movably arranged in sliding manner in installation cavity I 11, one end can stretch out
To outside the pump housing.It is operation end 13, the operation end 13 of interlocking bar 5 court always that interlocking bar 5, which can reach the end outside the pump housing,
To the outside of the pump housing, liquid is tightly connected between the operation end 13 of interlocking bar 5 and the pump housing.The other end of interlocking bar 5 is always positioned at installation
Inside chamber I 11, in interlocking bar 5 be located at installation cavity I 11 inside the end be force side 14, interlocking bar 5 force side 14 also with pump
Body connection but the connection relationship only guarantee that interlocking bar 5 and the pump housing can opposite slidings.It is, interlocking bar 5 is only at operation end 13
It directly establishes a connection with force side 14 with the pump housing.I 6 sets of reset spring in interlocking bar 5, reset spring I 6 is with interlocking bar 5
It is located in installation cavity I 11 together, and installation cavity I 11 passes through balance hole 10 and water outlet for accommodating the region of reset spring I 6
2 connections.Interlocking bar 5 is equipped with flange at intermediate position, and one end of reset spring I 6 is withstood on the pump housing, the other end withstands on interlocking bar 5
Flange on, reset spring I 6 is in compressive state, so that one end of reset spring I 6 connect with the pump housing, reset spring I 6
The other end connect with interlocking bar 5.Pressure feedback channel 12 is not only connected to water outlet 2, is also connected to installation cavity I 11.Pressure feedback
Channel 12 connect with installation cavity I 11 connection position be located at installation cavity I 11 for accommodate interlocking bar 5 force side 14 the end.
In this way, the hydraulic pressure of water outlet 2 can by being distributed in installation cavity I 11, the Water transport in pressure feedback channel 12 to interlocking bar 5
On.The power that hydraulic pressure acts in interlocking bar 5 in water outlet 2 is a pair of opposite with the power that reset spring I 6 acts in interlocking bar 5
Active force.Pressure is excessive, and interlocking bar 5 can be made to overcome the elastic force of reset spring I 6 towards pump housing external movement；It is multiple after pressure becomes smaller
Position spring I 6 can push interlocking bar 5 to move towards pump body.Stretching motion is done on the pump housing in the operation end 13 of interlocking bar 5 in this way.
The pump housing is equipped with pressure release passage, and pressure release passage is located on the extending direction of the center line of installation cavity I 11.Pressure release passage
Including installation cavity II 15 and relief hole 16, installation cavity II 15 and relief hole 16 are in the same center line, installation cavity II 15 it is interior
Diameter is greater than the internal diameter of relief hole 16.Relief hole 16 is connected to installation cavity II 15 and is connected to outside relief hole 16 and the pump housing.Installation cavity I
11, it is all connected between installation cavity II 15, pressure feedback channel 12.Pressure release component includes reset spring IV 17, steel ball 18.Reset bullet
Spring IV 17, steel ball 18 are located in installation cavity II 15, steel ball 18 installation cavity II 15 can with sliding motion and steel ball 18 and the pump housing it
Between liquid be tightly connected, therefore, after steel ball 18 is mounted in installation cavity II 15, not only completely cut off installation cavity I 11 and relief hole 16
Connected relation, the reset spring IV 17 also made are in compressive state.Under original state, the spring I 6 that is reset of interlocking bar 5 is pushed to pump
Internal portion, steel ball 18 spring IV 17 that is reset push the force side 14 of interlocking bar 5 to, but the force side 14 of final interlocking bar 5 is tightly
It withstands on the pump housing and steel ball 18 is got lodged in installation cavity II 15 completely by interlocking bar 5.It is moved when interlocking bar 5, steel ball 18 and linkage
Bar 5 moves together；The maximum that can control the straight-line displacement of interlocking bar 5 by the elastic force of reset spring IV 17, at this
The maximum displacement of interlocking bar 5 is equal to the radius of steel ball 18 in embodiment, can guarantee that steel ball 18 is started shipment with interlocking bar 5 in this way
It can produce the technical effect that steel ball 18 is detached from installation cavity II 15 after dynamic, to obtain the case where steel ball 18 is not contacted with the pump housing i.e.
Gap is formed between steel ball 18 and the pump housing, such installation cavity I 11, pressure feedback channel 12 can be all connected to relief hole 16.
Rotating arm 7, reset spring II 8, throttle linkage drag-line 9 are located at outside the pump housing.The intermediate position of rotating arm 7 is by turning
Axis is movably arranged on the pump housing, and after installation, rotating arm 7 can do the rotational motion of both forward and reverse directions around shaft.The one of rotating arm 7
End is located next to the operation end 13 of interlocking bar 5, and is always in the motion range at the operation end 13 of interlocking bar 5, as long as connection
Lever 5 is moved from the pump housing from inside to outside and is stretched out, and the operation end 13 of interlocking bar 5 can end thereof contacts with rotating arm 7 and foundation
Connection relationship, interlocking bar 5 pushes rotating arm 7 and then rotating arm 7 generates rotational motion.One end of throttle linkage drag-line 9 is mounted on
It is connect on the pump housing and with the other end of rotating arm 7, the other end is mounted on Rocker arm 4.II 8 sets of reset spring in throttle linkage drag-line
On 9, one end of reset spring II 8 heads on the pump housing, the other end heads on rotating arm 7, so that one end of reset spring II 8 and the pump housing connect
It connects, the other end of reset spring II 8 is connect with rotating arm 7.When interlocking bar 5 is no longer outwardly directed, reset spring II 8 be will push
Rotating arm 7 rotates backward, meanwhile, rotating arm 7 pulls throttle linkage drag-line 9.Rotating arm 7 drives throttle linkage to draw in swing process
Rope 9, and then Rocker arm 4 is driven to swing, here it is the accelerator open degrees promoted inside carburetor 3 to make adaptive change i.e. accelerator open degree
Size variation.
Cutout cut-off component is located at the water outlet 2 of the pump housing.Cutout cut-off component include retaining ring 19, reset spring III 20,
Balance plunger 21.Through-hole is equipped among retaining ring 19, retaining ring 19 is fixed on the pump housing and is located in water outlet 2, retaining ring 19 and the pump housing
Between liquid be tightly connected；After installation, the through-hole among retaining ring 19 is by the exclusive path as water outlet 2 in retaining ring 19.It resets
Spring III 20, balance plunger 21 are located in water outlet 2, and the outer diameter of balance plunger 21 is less than the internal diameter of water outlet 2, balance plunger 21
Around gap between the pump housing by the exclusive path as water outlet 2 in balance plunger 21.The one of reset spring III 20
End heads on retaining ring 19, the other end heads on balance plunger 21, so that one end of reset spring III 20 is connect with retaining ring 19, reset spring
III 20 other end is connect with balance plunger 21.One end of balance plunger 21 is equipped with round-like structure, the round-like structure and flat
The structure in weighing apparatus hole 10 is corresponding.Under original state, reset spring III 20 pushes balance plunger 21 and makes balance plunger 21 in rotary table
In the end insertion balance hole 10 of shape, balance plunger 21 is separated with retaining ring 19, and water outlet 2 is connected to smooth with outside.
In use, the pump housing connects spray gun at water outlet 2.Hydraulic pressure pressure after closing spray gun in water outlet 2 is excessive, hydraulic pressure
Driving interlocking bar 5 overcomes the elastic force of reset spring I 6 to stretch out to outside the pump housing, and steel ball 18 and the force side 14 of interlocking bar 5 are started shipment
It is dynamic.If hydraulic pressure is higher and beyond safe range, interlocking bar 5 can stretch out further out, the stress of steel ball 18 and interlocking bar 5
End 14 moves together, until steel ball 18 is detached from installation cavity II 15, installation cavity I 11 is connected to relief hole 16, water from relief hole 16 to
Outer outflow is with off-load.Hydraulic pressure also drives balance plunger 21 to be detached from balance hole 10, but balance plunger 21 is not connect with retaining ring 19 at this time.
When interlocking bar 5 overcomes the elastic force of reset spring I 6 to stretch out to outside the pump housing, the water near reset spring I 6 passes through balance hole 10
Into water outlet 2.After hydraulic pressure reduction, interlocking bar 5 moves a distance, the operation end 13 of last interlocking bar 5 to body interior
Throttle linkage drag-line 9 drives Rocker arm 4 to move after pushing rotating arm 7, rotating arm 7 to rotate after stretching out out of the pump housing, inside carburetor 3
Accelerator open degree reduce, engine power decreases up to idle, and hydraulic pressure at such water outlet 2 is not further added by after reducing；
Meanwhile balance plunger 21 is returned to original state and is embedded in balance hole 10.Hydraulic pressure pressure after opening spray gun in water outlet 2
Become smaller, the spring I 6 that is reset of interlocking bar 5 pushes pump body to, and 7 counter motion of rotating arm simultaneously pulls throttle linkage drag-line 9, Rocker arm 4
It rotates backward immediately, the accelerator open degree inside carburetor 3 increases, and engine power improves, and increases hydraulic pressure and dimension at water outlet 2
It holds.
If hydraulic pressure is got higher suddenly when opening spray gun, hydraulic drives balance plunger 21 is overcoming reset spring III 20
Elastic force after can be tightly connected with 19 liquid of retaining ring, spray gun does not have water-jet to go out, operator close spray gun, balance plunger 21 be detached from
The connecting degree of balance hole 10, installation cavity I 11 and water outlet 2 reaches maximum；At the same time, interlocking bar 5 overcomes reset spring I 6
Elastic force shot out to outside the pump housing, reduce engine power, be gathered in the water near reset spring I 6 quickly through balance hole
10 enter the end of water outlet 2.If hydraulic pressure is higher by safe range, interlocking bar 5 can stretch out further out, steel ball 18 and connection
The force side 14 of lever 5 moves together, until steel ball 18 is detached from installation cavity II 15, installation cavity I 11 is connected to relief hole 16, water from
Relief hole 16 is flowed outwardly with off-load.Restore normal after hydraulic pressure reduction, interlocking bar 5 moves a distance to body interior, with
Engine is set to be in idling state, balance plunger 21 enters original state and is embedded in balance hole 10, and steel ball 18 enters
Original state and enter installation cavity II 15 in, water outlet 2 is unimpeded, and only interlocking bar 5 returns to original state after opening spray gun, this
When can continue to be maintained after normal use and hydraulic pressure improve；If before this, operator is not turned off spray gun, then dropped in hydraulic pressure
Interlocking bar 5 recovers immediately original state when restoring normal after low, and water outlet 2 is discharged again, and only which produces gaps
Property water outlet the case where.
Claims (3)
1. a kind of jetting machine, the jetting machine includes engine, high-pressure plunger pump (1), the high-pressure plunger pump (1)
On the engine, the pump housing of the high-pressure plunger pump (1) is equipped with water outlet (2), and the engine is equipped with carburetor for installation
(3), the carburetor (3) is equipped with the rocker arm (4) of control throttle, it is characterised in that: the jetting machine is additionally provided with linkage
Speed-regulating part, the linkage speed-regulating part be equipped with interlocking bar (5), reset spring I (6), rotating arm (7), reset spring II (8),
Throttle linkage drag-line (9), the pump housing are equipped with installation cavity I (11) and pressure feedback channel (12), and the interlocking bar (5) is with cunning
Flowing mode is movably arranged in installation cavity I (11), and one end of the interlocking bar (5) is located in installation cavity I (11) as force side
(14), the other end of interlocking bar (5) is as operation end (13) towards outside the pump housing and operation end (13) and the pump housing of interlocking bar (5)
Between liquid be tightly connected, it is interior that the reset spring I (6) is located at installation cavity I (11), one end of the reset spring I (6) and the pump housing
Connection, reset spring I (6) the other end connect with interlocking bar (5), the pressure feedback channel (12) is connected to water outlet (2),
The pressure feedback channel (12) is also connected to installation cavity I (11), and the pressure feedback channel (12) connects with installation cavity I (11)
The position of connection is located at the end of force side (14) of the installation cavity I (11) for accommodating interlocking bar (5), and the pump housing is equipped with flat
It weighs hole (10), the region that the installation cavity I (11) is used to accommodate reset spring I (6) is connected by balance hole (10) and water outlet (2)
Logical, the rotating arm (7) is movably arranged on the pump housing with rotating manner, and one end of the rotating arm (7) is located at interlocking bar (5)
In the motion range at operation end (13), the other end of the rotating arm (7) is connect with one end of throttle linkage drag-line (9), described
The other end of throttle linkage drag-line (9) is connect with rocker arm (4), and one end of the reset spring II (8) connect with the pump housing, resets bullet
The other end of spring II (8) is connect with rotating arm (7), and the reset spring II (8) pushes rotating arm (7) towards pulling throttle linkage
The direction of drag-line (9) moves.
2. jetting machine according to claim 1, it is characterised in that: the linkage speed-regulating part is additionally provided with cutout cut-off group
Part, the cutout cut-off component includes retaining ring (19), reset spring III (20), balance plunger (21), and the retaining ring (19) is intermediate
Equipped with through-hole, the retaining ring (19) is fixed on the pump housing and is located in water outlet (2), the reset spring III (20), balance columns
Plug (21) is located in water outlet (2), and the outer diameter of the balance plunger (21) is less than the internal diameter of water outlet (2), the reset spring
One end of III (20) is connect with retaining ring (19), the other end of reset spring III (20) is connect with balance plunger (21), the reset
Spring III (20) pushes balance plunger (21) and is embedded in one end of balance plunger (21) in balance hole (10), the balance columns
Fill in (21) the other end is towards retaining ring (19) and balance plunger (21) can be with retaining ring after the elastic force for overcoming reset spring III (20)
(19) liquid is tightly connected.
3. jetting machine according to claim 1 or claim 2, it is characterised in that: the linkage speed-regulating part is additionally provided with pressure release group
Part, the pressure release component include reset spring IV (17), steel ball (18), and the pump housing is equipped with pressure release passage, and the pressure release is logical
Road includes installation cavity II (15) and relief hole (16), and the installation cavity II (15) and relief hole (16) are in the same center line,
The internal diameter of the installation cavity II (15) is greater than the internal diameter of relief hole (16), and the pressure release passage is located at the center of installation cavity I (11)
On the extending direction of line, the installation cavity I (11), installation cavity II (15), pressure feedback channel are all connected between (12), described multiple
Position spring IV (17), steel ball (18) are located in installation cavity II (15), and the steel ball (18) can slide fortune in installation cavity II (15)
Dynamic and liquid sealed connection between steel ball (18) and the pump housing, the relief hole (16) is connected to installation cavity II (15) and relief hole (16)
Be connected to outside the pump housing, the reset spring IV (17) promotion steel ball (18) and the force side for making steel ball (18) Yu interlocking bar (5)
(14) it connects, the steel ball (18) moves with interlocking bar (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822204915.0U CN209424165U (en) | 2018-12-26 | 2018-12-26 | A kind of jetting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822204915.0U CN209424165U (en) | 2018-12-26 | 2018-12-26 | A kind of jetting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209424165U true CN209424165U (en) | 2019-09-24 |
Family
ID=67973781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822204915.0U Active CN209424165U (en) | 2018-12-26 | 2018-12-26 | A kind of jetting machine |
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| Country | Link |
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| CN (1) | CN209424165U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196711A (en) * | 2020-09-11 | 2021-01-08 | 上海中船三井造船柴油机有限公司 | Oil feeding tool and method for cleaning gas module of LGIP (light emitting diode) host |
-
2018
- 2018-12-26 CN CN201822204915.0U patent/CN209424165U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196711A (en) * | 2020-09-11 | 2021-01-08 | 上海中船三井造船柴油机有限公司 | Oil feeding tool and method for cleaning gas module of LGIP (light emitting diode) host |
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