CN108087226A

CN108087226A - Pump unit and Handheld high-voltage cleaning machine

Info

Publication number: CN108087226A
Application number: CN201611040688.1A
Authority: CN
Inventors: 吴平华; 乔勇; 张海军
Original assignee: Positec Power Tools Suzhou Co Ltd
Current assignee: Positec Power Tools Suzhou Co Ltd
Priority date: 2016-11-21
Filing date: 2016-11-21
Publication date: 2018-05-29

Abstract

The present invention relates to a kind of pump unit applied to jetting machine, including：Intake antrum；Water chamber；Central bore connects the intake antrum and water chamber；The pump unit further includes the eccentric stiffener of the indoor plunger of centrally disposed chamber and the connection plunger, and the eccentric stiffener drives the plunger to be moved back and forth in the central bore.

Description

Pump unit and Handheld high-voltage cleaning machine

Technical field

The present invention relates to a kind of pump units.The invention further relates to a kind of Handheld high-voltage cleaning machine, especially a kind of use The Handheld high-voltage cleaning machine of this kind of pump unit.

Background technology

In family life and outdoor activities, requirement for cleaning is widely present always.

In the family life centered on family's garden, people usually need to clean balcony, aisle, outdoor desk-chair, burning Grill, automobile, bicycle, garage, pet, garden instrument, window, swimming pool, perron etc..These articles are due to the use of scene Outside house, the spots such as dirt, oil stain, leaf, dust accumulation can be inevitably stained with, it is extremely inconvenient to be cleaned with rag, needs Current even high pressure water flow to be used to carry out hydro-peening.In order to meet the demand, solution on the market is to provide family expenses Jetting machine, if Chinese patent CN1840246A disclose, these jetting machines usually tool there are one host and one spray Rifle sets water tank and motor, water pump on host, and the trigger switch of water spray is set on spray gun.These jetting machine volumes are larger, Heavier-weight when switching in each operative scenario, carries trouble.For example, in household cleaning day, if necessary to clean one by one Window, track, step, automobile, that will carry jetting machine back and forth between different places.It is in addition, clear using high pressure It needs to add water to water tank before washing machine, operation is also not simple enough.

And it is movable outdoors, such as in mountain-climbing, the cross-country, activity such as ride, camp, riding, steering a ship, since environment is more sticked on Near-nature forest and activity fierceness, the apparatus and animal that activity is related to are more prone to dirty, it is necessary to clean in time.For example, automobile, motor After vehicle and bicycle travel in wild country, soil, naval vessel raft etc. is necessarily stained with after navigation, the mud water plant of hull attachment It is also required to clear up.Horses and user can also perspire and foundry loam preferably shower in time or are rinsed, so as not to it is uncomfortable.It is foregoing Jetting machine due to volume is big, weight weight, be not suitable for all carrying in above-mentioned all kinds of outdoor activities.Foregoing high pressure Cleaning machine is powered due to the use of AC power, is difficult to find matched power supply in outdoor activities.User can only often endure work Spot in dynamic is cleaned again after activity end, when returning to fixed location；Or rag when aprowl passing by water source Simple wiping, cleaning efficiency is low, effect is poor and cleaning process is messy.

To sum up, user under various scenes, at each place all there is requirement for cleaning, but correlation on the market at present Product portability is poor, can only be used in very limited scene and place, user cannot be cleaned whenever and wherever possible.If one can be provided Kind of product, movement that can be convenient and strength-saving in all kinds of household cleaning activities, cleaning balcony, track, automobile etc., moreover it is possible to meet While subscriber household requirement for cleaning, carried in the cross-country, activity of riding etc., meet the requirement for cleaning of outdoor activities, it will Greatly simplify the cleaning of user, expand the ground point range of cleaning, so as to improve the quality of the life of user.

Influence what the main reason for jetting machine realizes portable function was mainly occupied due to the pump in jetting machine Volume it is larger and pump heavier-weight.A kind of structure of common pump passes through piston as shown in Chinese patent CN1212899C And swinging turntable is driven work.And swinging turntable and piston need more working cavity, therefore the structure ratio of this kind pump More complicated, weight and volume is bigger.

It influences jetting machine and realizes that outdoor the main reason for using function is since jetting machine uses AC power. The jetting machine of Alternating Current Power Supply is limited to power supply supply, and usage scenario must be equipped with corresponding AC power, reduce family The convenience of outer scene application；The jetting machine of Alternating Current Power Supply is limited to the length of power cord, and clean range can only be in electricity Within the scope of the line length of source, the clean range and mobility of jetting machine have been limited.

The content of the invention

It in view of this, should one of the objects of the present invention is to provide simple in structure, compact pump installation and use The jetting machine of kind pump installation.

To achieve the above object, the technical solution adopted in the present invention is：A kind of pump unit applied to jetting machine, Including：Intake antrum；Water chamber；Central bore connects the intake antrum and water chamber；The pump unit further includes centrally disposed The eccentric stiffener of the indoor plunger of chamber and the connection plunger, the eccentric stiffener drive the plunger in the central bore Interior reciprocating motion.

Preferably, the first check valve list for turning on and separating is equipped between the water chamber and the central bore Member is equipped between the intake antrum and the central bore for the second unidirectional valve cell for turning on and separating, described first and second Unidirectional valve cell is opened accordingly by the plunger actuation or partition.

Preferably, the eccentric stiffener includes the shaft around center axis thereof and the eccentric bias for connecting the shaft Axis, plunger is so that eccentric rotational motion is made at the center of the relatively described shaft of the plunger described in the bias axis connection.

Preferably, the center of the plunger is equipped with the mounting portion for connecting the eccentric shaft, the mounting portion and the bias Installation bearing is equipped between axis.

Preferably, gap is formed between the inner wall of the central bore and the plunger, the gap is with the plunger Straight reciprocating motion is made in movement.

To achieve the above object, the technical solution adopted in the present invention is：A kind of pump unit applied to jetting machine, Including：Intake antrum；Water chamber；Central bore connects the intake antrum and water chamber；The pump unit further includes centrally disposed The toggle of the indoor plunger of chamber and the connection plunger, the toggle drive the plunger described It is moved back and forth in central bore.

Preferably, the toggle is connected to the connecting rod of the plunger including one end and is movably connected on the company The crank of the bar other end, the connecting rod can relatively described crank rotation connections.

To achieve the above object, the technical solution adopted in the present invention is：A kind of pump unit applied to jetting machine, Including：Housing, the intake antrum and water chamber being provided separately, the gear equipped with buffer action between the intake antrum and water chamber, The gear wheel, which encloses, to be rotated about axis, and gap between the latch of the gear forms conveyor chamber, the conveyor chamber be located at into Water in water cavity is delivered to the water chamber.

Preferably, the gear includes driving wheel and driven wheel, and the driving wheel is intermeshed with the driven wheel, described Driving wheel, which is drivingly enclosed, to be rotated about axis.

To achieve the above object, the technical solution adopted in the present invention is：A kind of height using pump unit as described above Cleaning machine is pressed, the jetting machine includes generating the motor of power, connects the motor and the pump unit Transmission mechanism, wherein the transmission mechanism has reduction box casing, the reduction box casing and the housing one of the pump unit It is formed.

In view of this, one of the objects of the present invention is to provide weight rationally, be applicable in hold, high-pressure wash easy to remove Machine.

To achieve the above object, the technical solution adopted in the present invention is：A kind of Handheld high-voltage cleaning machine, the high pressure Cleaning machine is powered using direct current, can be connected to external water source by water pipe；The jetting machine includes：Shell, outside Inside shell there is motor, connect the transmission mechanism of motor, pumped by transmission mechanism drive；For the handle of gripping；Nozzle, it is described The water of external water source is outwards sprayed from nozzle.

Preferably, it is described to pump any one pumped as mentioned before.

Preferably, the main screw lift of the jetting machine is less than or equal to 3 kilograms.

Preferably, the main screw lift of the jetting machine is less than or equal to 2 kilograms.

Preferably, the center of gravity of the jetting machine is located on jetting machine front-rear direction, handle rear end point backward 8 Centimetre within handle forward terminal forward 8 centimetres.

Preferably, the center of gravity of the jetting machine is located on jetting machine front-rear direction, handle rear end point to hand Handle forward terminal is forward within 5 centimetres.

Preferably, the motor, transmission mechanism and pump form functional component, and the functional component is located at one end of handle； Jetting machine further includes battery pack, and battery pack is located at the other end of handle.

Preferably, the motor, transmission mechanism and pump form functional component, and the position of centre of gravity of the functional component is located at hand The front of handle forward terminal；Jetting machine further includes battery pack, and the position of centre of gravity of battery pack is located at the rear of handle forward terminal.

Preferably, the functional component and at least one portion in battery pack are extend into handle.

Preferably, the motor, transmission mechanism and pump form functional component, and the weight of the functional component is less than or equal to 1000 grams, jetting machine further includes battery pack, and the weight of the battery pack is less than or equal to 800 grams.

Preferably, jetting machine further includes battery pack, and the rated voltage of battery pack is between 18-42V, and capacity is in 1.5- Between 3Ah.

Preferably, jetting machine has the water intake end mouth for connecting the water pipe, and the water intake end mouth is located at high pressure In front and rear 5 centimetres of the center of gravity of cleaning machine.

Preferably, there is to connect the water intake end mouth of the water pipe, the water intake end mouth be located at the forward terminal of handle to First 5 centimetres between aft terminal backward 5 centimetres.

Preferably, the whole length of jetting machine is less than 500 millimeters, highly less than or equal to 250 millimeters.

Preferably, the transmission mechanism includes slowing-down structure, and the no-load speed of the motor is more than or equal to 10000rpm, institute The output speed for stating slowing-down structure is less than or equal to 3000rpm.

Preferably, the no-load speed of the motor is more than or equal to 15000rpm, and the output speed of the slowing-down structure is less than Equal to 2500rpm.

Preferably, the slowing-down structure is planetary gear construction.

Preferably, the reduction ratio of the slowing-down structure is 12:1 to 3:Between 1 or 10:1 to 4:Between 1.

To achieve the above object, the technical solution adopted in the present invention is：A kind of Handheld high-voltage cleaning machine, can pass through Water pipe is connected to external water source；The jetting machine includes：Shell, enclosure have motor, the driver for connecting motor Structure is pumped by transmission mechanism drive；For the handle of gripping；Nozzle, the water of the external water source are outwards sprayed from nozzle；It is described The center of gravity of jetting machine be located on jetting machine front-rear direction, handle rear end point backward 8 centimetres it is past to handle forward terminal Within first 8 centimetres.

Preferably, any one pumped in pumping as mentioned before.

To achieve the above object, the technical solution adopted in the present invention is：A kind of Handheld high-voltage cleaning machine, can pass through Water pipe is connected to external water source；The jetting machine includes：Shell, enclosure have motor, the driver for connecting motor Structure is pumped by transmission mechanism drive；For the handle of gripping；Nozzle, the water of the external water source are outwards sprayed from nozzle；It is described Transmission mechanism includes slowing-down structure, and the no-load speed of the motor is more than or equal to 10000rpm, and the output of the slowing-down structure turns Speed is less than or equal to 3000rpm.

Preferably, the slowing-down structure is planetary gear construction.

Preferably, any one in the pump pump described previously.

To achieve the above object, the technical solution adopted in the present invention is：A kind of Handheld high-voltage cleaning machine, can pass through Water pipe is connected to external water source；The jetting machine includes：Shell, enclosure have motor, the driver for connecting motor Structure is pumped by transmission mechanism drive；For the handle of gripping；Nozzle, the water of the external water source are outwards sprayed from nozzle；It is described Transmission mechanism includes slowing-down structure, and the slowing-down structure is planetary gear speed-reduction structure, and the planetary gear speed-reduction structure is by institute State output speed reduction, the output torque increase of motor.

Compared with prior art, beneficial effects of the present invention are：It is subject to partially applied to the plunger in the pump of jetting machine The driving of concentric mechanism or brace and connecting rod framework, it is reciprocating so as to carrying out high pressure water pumping in chamber.So that the structure ratio of pump It is relatively simple, and the quantity of plunger only there are one, reduce the power consumption rate using multicolumn plug structure.The high-pressure wash pumped using this kind The volume of machine is also smaller.

Compared with prior art, beneficial effects of the present invention are：Reasonable Arrangement pump, transmission mechanism, motor and battery pack Position so that the center of gravity of jetting machine be located on jetting machine front-rear direction, handle rear end point backward 8 centimetres to handle Forward terminal within 8 centimetres, effectively improves the degree of being held by hand comfortably of jetting machine forward.

Compared with prior art, beneficial effects of the present invention are：The output speed of motor passes after transmission mechanism slows down Pump is passed, effectively the range of speeds needed for ballast pump and motor weight, reduce further the main screw lift of jetting machine. Preferably, transmission mechanism uses planetary gear speed-reduction structure.Planetary gear speed-reduction structure can not only be effectively reduced motor output Rotating speed improves motor output torque, is also equipped with the characteristics of small and light-weight, further improves the hand-held of jetting machine and relaxes Appropriateness.

Compared with prior art, beneficial effects of the present invention are：Jetting machine is powered using dc-battery bag, energy External water source is enough connected to by water pipe, is effectively improved the portability of jetting machine, so as to widen jetting machine Usage scenario.As long as under the scene with water source, user can use jetting machine to carry out cleaning.

Description of the drawings

Purpose, technical solution and the advantageous effect of invention described above can realize this hair by following The detailed description of bright specific embodiment is described in combination with attached drawing and clearly obtained.

Identical label and symbol in attached drawing and specification are used to represent identical or equivalent element.

Fig. 1 is the schematic diagram of the jetting machine of one embodiment of the invention.

Fig. 2 is a kind of concrete structure diagram of jetting machine shown in FIG. 1

Fig. 3 is the schematic diagram of the jetting machine of another embodiment of the present invention.

Fig. 4 is the overall schematic of pump in one embodiment of the invention, transmission mechanism and motor.

Fig. 5 is the explosive decomposition schematic diagram of pump in Fig. 4, transmission mechanism and motor.

Fig. 6 is sectional view of the pump along hatching AA in Fig. 4, and wherein plunger is in the first critical condition.

Fig. 7 is sectional view of the pump along hatching AA in Fig. 4, and wherein plunger is in the second critical condition.

Fig. 8 is sectional view of the pump along hatching BB in Fig. 4.

Fig. 9 is the schematic diagram of an embodiment of the transmission mechanism of jetting machine.

Figure 10 is the schematic diagram of another embodiment of the transmission mechanism of jetting machine.

Figure 11 is the schematic diagram of an other embodiment for the transmission mechanism of jetting machine.

Figure 12 is the schematic diagram that pump connects plunger by toggle in the embodiment of the present invention, and wherein plunger is in the One critical condition.

Figure 13 is the schematic diagram that pump connects plunger by toggle in the embodiment of the present invention, and wherein plunger is in the Two critical conditions.

Figure 14 is the schematic diagram of the pump configuration of second embodiment of the invention.

Figure 15 is schematic diagram of the pump configuration along another visual angle in Figure 14.

1st, jetting machine 2, motor 3, transmission mechanism

4th, pump 5, plunger 6, unidirectional valve cell

7th, eccentric stiffener 8, toggle 10, shell

11st, nozzle 12, host 13, spray gun

14th, water pipe 15, water tank 21, motor shaft

30th, shell 31, pinion gear 32, gear wheel are driven

33rd, shaft 34, spring bearing 36, jackshaft

37th, reduction box 38, transmission shaft 41, central bore

42nd, cavity 46, shell 47, end

48th, inner wall 50, mounting portion 51, driving wheel

52nd, driven wheel 53, first chamber 54, second chamber

55th, transport chamber 61, the first unidirectional valve cell 62, the second unidirectional valve cell

The 71st, bearing 72, eccentric shaft 81, connecting rod are installed

82nd, crank 83, pivotal point 351, first bevel gear

352nd, second bevel gear 361, one-stage gear 362, secondary gear

431st, water inlet 432, the first intake antrum 433, the second intake antrum

441st, water outlet 442, the first water chamber 443, the second water chamber

461st, the pump housing 462, upper pump cover 463, lower pump cover

611st, the first check valve assembly 612, the second check valve assembly 613,615, one-way cock

614,616, bias piece 621, the 3rd check valve assembly 622, the 4th check valve assembly

D, eccentricity 106, handle 104, water intake end mouth

9th, battery pack 16, external water source 105, trigger member

Specific embodiment

Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.

It is the schematic diagram of the jetting machine 1 of one embodiment of the invention as shown in Figure 1.The jetting machine 1 is hand-held, It has the handle for gripping.Jetting machine 1 has shell 10, and 10 inside of shell has motor 2, the biography for connecting motor 2 Motivation structure 3, the pump 4 driven by transmission mechanism 3.Exchange may be employed in jetting machine 1 or direct current is powered.For hand-held The requirement of portability, jetting machine 1 itself does not have to store the water tank at water source, but is connected to external water by water pipe Source, external water source can be pond, tap etc..Jetting machine 1 also has nozzle 11, water the adding by pump of external water source It is outwards sprayed from nozzle 11 after pressure.The jetting machine of this kind of hand-held is small, light-weight, convenient for manipulation.

It is a kind of concrete structure diagram of jetting machine 1 shown in FIG. 1 as shown in Figure 2, in the present embodiment, with a left side of Fig. 2 Side is front, and right side is rear.

The jetting machine is the Handheld high-voltage cleaning machine of direct current supply.Jetting machine 1 is integral type spray gun, including For the handle 106 of gripping, battery pack 9, motor 2, the transmission mechanism 3 for connecting motor 2,4 and of pump driven by transmission mechanism 3 The water intake end mouth 104 that the nozzle 11 of the water outlet connection of pump 4 is connected with the water inlet of pump 4.Jetting machine 1 further includes collecting Aforementioned motor 2, pump 4, the shell 10 of transmission mechanism 3, handle 106 are formed at or are connected on the shell 10.Handle 106 is attached Trigger member 105 closely is provided with, is specially a trigger, for triggering external water spray action.Pump, transmission mechanism and motor form high Press the functional component of cleaning machine.

With reference to Fig. 2, as previously mentioned, the jetting machine 1 itself does not include water tank, but water is connected in water intake end mouth 104 Pipe 14, then external water source 16 is connected to by water pipe 14.In this way, after water intake end mouth 104 is connected to water pipe 14, in family activity In, only the tail end of water pipe need to be connected tap or be put into the external water sources such as swimming pool, pond, bucket, user can hand Jetting machine is held, freely activity, carries out water spray cleaning in the length range of water pipe.In outdoor activities, user It needs to stop in the place for having water at any time, the tail end of water pipe is put into external water source, it is possible to carry out water spray cleaning.Pump can Jetting machine will be directly sprayed after water sucking jetting machine in external water source.

In order to realize can carry, cleanable all kinds of articles, jetting machine 1 need simultaneously realize lightweight and high definition Clean ability, and the two is conflicting.To realize the lightweight of jetting machine, it is necessary to reduce battery pack 9 and work(as far as possible The weight of energy component, however, the lightweight of battery pack 9 will shorten the working time of jetting machine, the lightweight of functional component The cleaning efficiency of jetting machine can be weakened, so as to reduce cleaning capacity.Meanwhile working time and cleaning efficiency are also mutually made About, identical battery pack, working time longer mean that cleaning capacity is weaker；Conversely, when cleaning capacity means more by force work Between it is shorter.Therefore, current embodiment require that weight, working time and the cleaning efficiency of balance jetting machine.

In the present embodiment, the main screw lift of jetting machine 1 is in alternative embodiments, whole less than or equal to 3 kilograms Machine weight is less than 2.8 kilograms, 2.5 kilograms, 2 kilograms or 1.8 kilograms or 1.7 kilograms or 1.5 kilograms.In one embodiment, The weight of functional component is less than or equal to 1000 grams, and 9 weight of battery pack is less than or equal to 800 grams；In another optional embodiment, work( The weight of energy component is less than or equal to 600 grams, and the weight of battery pack 9 is less than or equal to 400 grams.In one embodiment, except function part The weight of other component outside part and battery pack 9 is less than or equal to 500 grams, more preferably, the weight of other component be less than 400 grams or 300 grams.Lighter weight enables jetting machine 1 by the hand-held progress cleaning of long-time.In the present embodiment, battery pack 9 use rated voltage between 18-42V, the lithium battery pack of 1.5-3Ah, to provide enough work capacities and lightweight.At it In his optional embodiment, the rated voltage of battery pack may be alternatively located at 28V between 60V.In one embodiment, battery pack 9 It is dismountable rechargeable battery pack.The battery pack can at least be adapted to and be connected on two different kinds of DC tools, real Existing different DC tools CB common battery bag, to reduce the battery pack type and quantity of user's needs.

Motor 2, transmission mechanism 3 and pump 4 will be explained below, and concrete structure has taken into account lightweight and cleaning capacity.

Except weight in itself, position of centre of gravity also influences the weight experience of user's reality.In the present embodiment, in functional component Pump 4, transmission mechanism 3 and motor 2 are sequentially arranged from the front to the back, positioned at one end of handle 106；Battery pack 9 is located at the another of handle 106 One end so that the position of centre of gravity of functional component is located at the front of handle forward terminal, and the position of centre of gravity of battery pack is located at handle front end The rear of point.In a kind of optional embodiment, respectively in the functional component at 106 both ends of handle and battery pack 9 extremely A few part is extend into handle 106.In a kind of optional embodiment, 4,3 and of transmission mechanism is pumped in functional component Motor 2 is all or part of to be arranged in parallel with handle 106, and such as pump 4 is located at one end, transmission mechanism 3 and the motor 2 and hand of handle 106 Handle 106 is arranged in parallel.

Functional component and battery pack 9 are respectively two main by weight bodies of jetting machine 1, by by functional component and electricity Pond bag 9 is arranged in the both ends of handle 106, and the center of gravity of jetting machine 1 is located near handle 106, so that user exists Weight falls in user on hand substantially during gripping, more laborsaving.Specifically, the center of gravity of jetting machine 1 falls before jetting machine In rear direction, 106 aft terminal of handle backward 8 centimetres within 106 forward terminal of handle forward 8 centimetres.In optional embodiment In, which falls on 1 front-rear direction of jetting machine, 106 aft terminal of handle to 5 centimetres forward of 106 forward terminal of handle, 3 Centimetre, 2 centimetres, within 1 centimetre.In another optional embodiment, the center of gravity fall it is on 1 front-rear direction of jetting machine, 5 centimetres backward of 106 aft terminal of handle, 3 centimetres, 2 centimetres, within 1 centimetre to 106 forward terminal of handle.In another optional implementation In example, which falls on 1 front-rear direction of jetting machine, 106 aft terminal of handle between handle forward terminal.

In the present embodiment, handle 106 is in tilted layout, in other alternative-embodiments, 106 generally vertical cloth of handle It puts.In the present embodiment, handle 106 is located at the afterbody of complete machine, and in other alternative-embodiments, handle 106 can also be located at The middle part of complete machine.

In the present embodiment, water intake end mouth 104 is located at immediate vicinity, specifically, positioned at 5 centimetres or 3 centimetres before and after center of gravity It is interior, 14 weight of the water pipe being connected thereto can so be caused also to fall in immediate vicinity.Water intake end mouth 104 is also located at handle 106 Near, specifically, 3 centimetres forward of forward terminal positioned at handle 106,5 centimetres to aft terminal backward between 3 centimetres, 5 centimetres, this The probability that water pipe 14 and other objects mutually wind or impede when sample can reduce user's movement.

In order to improve portability, in the present embodiment, the whole length of jetting machine 1 is less than 500 millimeters, it is preferred that 400 millimeters or 350 millimeters of whole length.When using the nozzle of different length, the whole length of jetting machine can be become Change, when such as using long gun sprayer, the whole length of jetting machine can reach 1000 millimeters.Preferably, jetting machine 1 is not added with During any nozzle, the length of the body of jetting machine 1 is less than 300 or 250 millimeters.The complete machine height of jetting machine 1 is less than 250 millimeters or 200 millimeters, complete machine width (not including battery pack) is less than 150 or 100 millimeters.

Fig. 3 illustrates the jetting machine 1 of another embodiment of the invention, and jetting machine 1 has separately positioned Host 12 and spray gun 13.Spray gun 13 is used to hold hand-held.Spray gun 13 is equipped with nozzle 11.Spray gun 13 and host 12 pass through water Pipe 14 connects.12 are equipped with motor 2, transmission mechanism 3 and pump 4 in host.In a preferred embodiment, water tank is further included in host 12 15, water tank 15 can store a certain amount of water.Jetting machine 1 can so be made in the local work away from water source.Water tank 15 In water pass through the pressurization of pump 4 after be transferred in spray gun 13 from water pipe 14, user's operation spray gun 13 be directed toward object to be cleaned into Row cleaning.

Transmission of the jetting machine 1 containing pump 4, motor 2 and connection motor 2 and pump 4 in various embodiments illustrated above Mechanism 3.As shown in Figure 4 and Figure 5.Motor 2 is common AC motors or DC motors.Motor 2, which has, encloses electricity rotatable around its axis Arbor 21.21 outside outputting rotary power of motor shaft.Transmission mechanism 3 usually has to ensure leakproofness and is wrapped in external biography Dynamic shell 30.It is driven on shell 30 and has there are two opening, an opening to make transmission mechanism 3 be connected with motor 2, another opening makes Transmission mechanism 3 is connected with pump 4.Pump 4 is subject to the driving of motor 2 by transmission mechanism 3, increases hydraulic pressure to the water into pump 4, is promoted The cleaning performance of water outlet.

As shown in figure 4, pump 4 has the shell 46 for being wrapped in periphery.Shell 46 has Packed housing, in the table of shell 46 Face water inlet 431, water outlet 441 and the connector for connecting transmission mechanism 3.Water inlet 431 be used for and outside water source connect or Person's water pipe, hydraulic giant connection.Water is from the water inlet 431 into the inside of pump 4.Preferably, the quantity of water inlet 431 is one.Work as water After the internal pressurization of pump 4, discharged from water outlet 441.The nozzle 11 of the usually connection jetting machine 1 of water outlet 441, so sprays First 11 can spray the water after pressurization.In order to avoid interfering with each other for Inlet and outlet water, usual water inlet 431 and water outlet 441 separate It sets.Preferably, the quantity of water outlet 441 is one.In order to easy to assembly, shell 46 includes the pump housing 461 and dismountable installation Upper pump cover 462 and lower pump cover 463 on the pump housing 461.Upper pump cover 462 and lower pump cover 463 are symmetrically installed on the two of the pump housing 461 Side.Upper and lower pump cover is fixedly attached to by the common fixed form such as bolt on the pump housing 461.Water inlet 431 and water outlet 441 are equal On the pump housing 461, and the opening direction of water outlet 431 and water inlet 441 is mutually perpendicular to.Certainly in other embodiment In, multiple parts that shell 46 can also be integrally formed or is readily apparent that with those skilled in the art are spliced to form.

The concrete structure of the pump of the present embodiment described below.

As shown in Figure 5 and Figure 6, inside shell 46, pump 4 has a plunger 5.Plunger 5 is used to pressurize to water.Plunger 5 cylinder to extend along its length.With reference to Fig. 5 and Fig. 6 can be seen that the length extending direction of plunger 5 respectively with water inlet 431 opening direction and the opening direction of water outlet 441 are vertical.Plunger 5 drivingly can be transported back and forth along its length It is dynamic.In embodiments of the present invention, the installation of plunger 5 is connected to eccentric stiffener 7.7 one side of eccentric stiffener is connected with plunger 5, another Aspect is fixedly attached to transmission mechanism 3.Therefore by the eccentric stiffener 7, plunger 5 is subject to the driving of motor 2 and transmission mechanism 3, Actually do eccentric reciprocating motion.Since the center that bias moves back and forth is the pivot of transmission mechanism 3, and the pivot Direction it is vertical with the length extending direction of plunger 5, therefore look up from the development length side of plunger 5, i.e., arrow as shown in Figure 6 Head OO ' directions, plunger 5 are subject to motor 2 and the driving of driving mechanism 3 to make straight reciprocating motion.

As shown in fig. 6, the inside of pump 4 also has central bore 41.41 inner hollow of central bore.Plunger 5 preferably holds It is contained in central bore 41.Central bore 41 extends along the length direction of plunger 5.Central bore 41 is along 5 length direction of plunger Size be more than plunger 5 length so that when plunger 5 is reciprocating in this direction in central bore 41 always have cavity 42.As shown in fig. 6, when plunger 5 is moved to the lower end of central bore 41, the upper end of 42 centrally located chamber 41 of cavity.Such as Shown in Fig. 7, when plunger 5 is moved to the upper end of central bore 41, the lower end of 42 centrally located chamber 41 of cavity.

As shown in figure 8, pump 4 also has the intake antrum separated with central bore 41, water chamber.Intake antrum connects water inlet 431, water inlet 431 is for either water pipe or tap to be connected with external water source.External water enters from water inlet 431 Into intake antrum.Water chamber connects water outlet 441, and the high pressure water flow after being overpressurized is discharged from water outlet 441, and enters nozzle 11.Intake antrum and water chamber are arranged in parallel.In the present embodiment, intake antrum, water chamber and central bore 41 are interconnected, Form the communicating passage of perforation.External water enters from intake antrum, is discharged by central bore 41 and finally from water chamber.In It entreats in chamber 41, water is pressurizeed to form the high-pressure wash water more than atmospheric pressure by plunger 5.Intake antrum includes symmetrically arranged First intake antrum 432 and the second intake antrum 433.The water entered from water inlet 431 can selectively into the first intake antrum 432 or Second intake antrum 433.Central bore 41 connects the first intake antrum 432 and the second intake antrum 433 respectively.In the present embodiment, One intake antrum 432 is connected to one end of central bore 41, and the second intake antrum 433 is connected to the opposite another of central bore 41 End.Pump 4 further includes the interface channel that central bore 41 is made to be connected respectively with two intake antrums.In the present embodiment, in central bore 41 one end is equipped with for connecting the interface channel of the first intake antrum 432, is equipped with to connect in the other end of central bore 41 The interface channel of second intake antrum 433.The extending direction of interface channel and the extending direction of central bore 41 are mutually perpendicular to.

And water chamber has water outlet 441, and water chamber equally includes symmetrically arranged first water chamber 442 and the Two water chambers 443.First water chamber 442 and the second water chamber 443 equally connect central bore 41 respectively, and are all connected to out The mouth of a river 441.In the present embodiment, the opening direction of water inlet 431 and the opening direction of water outlet 441 are mutually perpendicular to.First goes out 442 and second water chamber 443 of water cavity is connected to opposite one end of central bore 31.Further, the first water chamber 442nd, the second water chamber 443 connects central bore 41 again by interface channel.That is, centrally located 41 one end of chamber First intake antrum 432, the first water chamber 442 and central bore 41 are connected perforation by interface channel, and centrally located chamber 41 is another Second intake antrum 433, the second water chamber 443 and central bore 41 are connected perforation by the interface channel of one end.Intake antrum, water chamber It is arranged in parallel with central bore 41, the end of central bore 41 47 be equipped with communicating passage respectively with intake antrum and water chamber Connection.

As shown in figure 4, intake antrum, water chamber and central bore 41 are predominantly located in the pump housing 461.Upper and lower pump cover has respectively Have to form the recess of the end of central bore 41 47.Complete central bore is formed when upper and lower pump cover is installed on the pump housing 461 41.And it is additionally provided with interface channel on upper pump cover 462 and lower pump cover 463.Interface channel be used for intake antrum, water chamber respectively with The connection of central bore 41 is got up.

In the present invention, pump 4 further includes break-make of the unidirectional valve cell 6 for water in control passage.Unidirectional valve cell 6 includes Symmetrically arranged first unidirectional 61 and second unidirectional valve cell 62 of valve cell.It names and is said exemplified by the first unidirectional valve cell 61 It is bright.In the present embodiment, the first unidirectional valve cell 61 includes be arranged between the first intake antrum 432 and central bore 41 The second check valve assembly 612 between 41 and first water chamber 442 of one check valve assembly 611 and centrally disposed chamber.First Check valve assembly 611 is for the break-make of current between the first intake antrum 432 of control and central bore 41, the second check valve assembly 612 are used to control the break-make of current between the first water chamber 442 and central bore 41.When the first check valve assembly 611 is opened, The water of first intake antrum 432 can be flowed in central bore 41.And since the one-way conduction of check valve assembly acts on, central chamber Water in room 41 can't flow to the first intake antrum 432.That is the first check valve assembly 611 control current can only be from the first intake antrum 432 move to the direction of central bore 41.And when the first check valve assembly 611 is closed, the water of the first intake antrum 432 can not move Dynamic to enter central bore 41, the first intake antrum 432 is formed with central bore 41 at this time separates.Similar, the second check valve assembly During 612 opening, the water in central bore 41 can flow to the first water chamber 443, and play an important role of one-way conduction.And second When check valve assembly 612 is closed, the first water chamber 443 can not be flowed in central bore 41, water is accumulated in central bore 41.

In the present invention, the plunger 5 in central bore 41 is used to control the opening and closing of the first unidirectional valve cell 61.It is special Not, plunger 5 can simultaneously control the first check valve assembly 611 to open, and the second check valve assembly 612 is controlled to close at this time It closes.Plunger 5 can also control the first check valve assembly 611 to close simultaneously, and the second check valve assembly 612 is controlled to open at this time. That is, plunger 5 can control the first check valve assembly 611 simultaneously and the second check valve assembly 612 be respectively at opening or The different conditions of closing.As shown in the figure, defining plunger 5 moves to the bottom of central bore 41 as the first critical condition, herein Under state, plunger 5 starts from the upward end motion in bottom.At this point, the first check valve assembly 611 is opened, and the second list at this time It is closed to valve module 612.Therefore water is entered from the first intake antrum 432 in central bore 41, and will not be from central bore 41 outflows.Water is accumulated in central bore 41.Then plunger 5 continues up end motion from the bottom of central bore 41, and The top of central bore 41 is moved to, the plunger 5 defined at this time is the second critical condition.Under second critical condition, column Plug 5 starts from downward end motion topmost.At this point, the first check valve assembly 611 is closed, and 612 quilt of the second check valve assembly It opens.Water can not be supplemented into central bore 41 from intake antrum, and the water being initially positioned in central bore 41 is subject to the extruding of plunger 5 And high pressure is generated, and flow to the first water chamber 442 and flow to nozzle 11 from water outlet 441 and spray.

Similar, plunger 5 can also control the opening and closing of the second unidirectional valve cell 62.Second unidirectional valve cell 62 wraps Include the 3rd check valve assembly 621 and the 4th check valve assembly 622.3rd check valve assembly 621 is arranged on 433 He of the second intake antrum Between central bore 41, and between 622 centrally disposed 41 and second water chamber 443 of chamber of the 4th check valve assembly.When plunger 5 During in the first critical condition, the 3rd check valve assembly 621 is closed and the 4th check valve assembly 622 is opened, therefore centrally located The water of chamber 41 is flowed out from the second water chamber 443.And when plunger 5 is in the second critical condition, the 3rd check valve assembly 621 is beaten It opens and the 4th check valve assembly 622 is closed, therefore water enters central bore 41 from the second intake antrum 433.So the second check valve 62 and first unidirectional valve cell 61 of unit can play complementary effect, the water pumping efficiency of elevator pump.In plunger 5 from first state Into the moving process of the second state, enter central bore 41 from the water that water inlet 431 enters by the first intake antrum 432, and With the extruding of plunger 5 water outlet 441 is discharged from the second water chamber 443.And in shifting of the plunger 5 from the second state to first state During dynamic, enter central bore 41 from the water that water inlet 431 enters by the second intake antrum 433, and with the extruding of plunger 5 Water outlet 441 is discharged from the first water chamber 442, and passes through nozzle 11 and sprays.

First check valve assembly 611 includes the bias piece 614 of one-way cock 613 and biased check valves door 613.In plunger 5 Under the second state, bias piece 614, which generates biasing force, makes one-way cock 613 close the first intake antrum 432.And with plunger 5 It is moved from the second state to first state, the cavity volume close to one-way cock 613 becomes larger, and overcomes bias piece so as to generate 614 pressure is increasing, finally opens one-way cock 613, i.e. the first check valve assembly 611 is changed into from closed state to be beaten Open state.And bias piece 616 of second check valve assembly 612 equally including one-way cock 615 and biased check valves door 615.And 615 direction of one-way cock of second check valve assembly 612 biases direction and the list of the first check valve assembly 611 with bias piece 616 It is exactly the opposite to 613 direction of valve and the bias direction of bias piece 616.Therefore as plunger 5 is from the second state to first state It is mobile, it can generate and overcome the pressure of bias piece 616 less and less, and finally 615 envelope of one-way cock under the action of biasing force Close the first water chamber 442.That is the second check valve assembly 612 is in off state from opening state transformation.

Due to the first unidirectional 61 and second unidirectional 62 symmetrically arranged relation of valve cell of valve cell, in plunger 5 from the second shape Into first state moving process, the 3rd check valve assembly 621 of the second unidirectional valve cell 62 correspondingly turns state from opening state Change is in off state, and the 4th check valve assembly 622 is correspondingly in an open state from closed state transformation.

As shown in fig. 6, in the side of vertical 5 length direction of plunger, plunger 5 has the installation for setting-up eccentricity mechanism 7 Portion 50.In the present embodiment, mounting portion 50 is the cavity being recessed inwardly.And mounting portion 50 is located at the center of plunger 5.Partially Concentric mechanism 7 is fixed on by installing bearing 71 in mounting portion 50.The form of fixed installation is not limited to by installing bearing 71, Can include the normal methods such as flat cooperation, spline fitted, certainly, it may occur to persons skilled in the art that be eccentric stiffener 7 It can also be integrally formed with plunger 5.Eccentric stiffener 7 includes eccentric shaft 72 and connects the shaft 33 of eccentric shaft 72.In the present embodiment In, eccentric shaft 72 is fixedly connected with shaft 33, and the mode of connection can be integrally formed.The center of shaft 33 and eccentric shaft 72 Center relative eccentric is set.Shaft 33 has been equipped with the spring bearing 34 that support shaft 33 acts on.From fig. 6, it can be seen that shaft Eccentricity between 33 center and the center of eccentric shaft 72 is d.Transmission mechanism 3 drives shaft 33 to turn around the center of shaft 33 It is dynamic, and eccentric shaft 72 drives plunger 5 around the center rotating of eccentric shaft 72 by mounting portion 50 and installation bearing 71.Due to shaft There is eccentricity d, therefore plunger 5 makees eccentric rotational motion with respect to shaft 33 between 33 and eccentric shaft 72.

The transmission mechanism 3 of the present embodiment is as shown in Figure 6.Transmission mechanism 3 is gear drive.Transmission mechanism 3 includes being connected to Pinion gear 31 on motor shaft 21, the gear wheel 32 engaged with pinion gear 31.Gear wheel 32 is fixedly connected with shaft 33.In this reality It applies in example, shaft 33 is arranged in parallel with motor shaft 21.It is acted on by the engaged transmission of gear wheel 32 and pinion gear 31, motor shaft 21 Shaft 33 is driven to surround its center rotating.Since eccentric shaft 72 is fixedly connected with shaft 33, eccentric shaft 72 is also around shaft 33 center rotating, therefore eccentric shaft 72 drives plunger 5 around the center rotating of shaft 33.Therefore motor 2 can drive plunger 5 Make eccentric motion.In this embodiment, motor 2 is by the gear drive of level-one plunger 5 to be driven to move.

In another embodiment as shown in Figure 9, transmission mechanism 3 includes be connected on motor shaft 21 first Second bevel gear 352 on bevel gear 351 and shaft 33.First bevel gear 351 and the intermeshing transmission of second bevel gear 352. Motor shaft 21 and shaft 33 are vertically arranged.And 5 similary mounting portion 50 of plunger is used for and the opposite bias with 33 eccentric setting of shaft Axis 72 is fixedly connected.By the cooperation of first bevel gear 351 and second bevel gear 352, motor 2 drives plunger 5 to make eccentric motion. In this embodiment, motor 2 is by the Bevel Gear Transmission of level-one plunger 5 to be driven to move.

In another embodiment as shown in Figure 10, motor 2 is by multistage gear drive plunger 5 to be driven to transport It is dynamic.In this embodiment, transmission mechanism 3 includes the shaft 33 of jackshaft 36 and drive connection jackshaft 36.Jackshaft 36 with Motor shaft 21 is arranged in parallel.It is sequentially connected between jackshaft 36 and motor shaft 21 by one-stage gear 361.Shaft 33 is not direct It is connected with motor shaft 21.It is sequentially connected between shaft 33 and jackshaft 21 by secondary gear 362.33 another aspect of shaft and column Plug 5 is using as similar eccentric connection such as foregoing several embodiments.Shaft 33 is arranged in parallel with jackshaft 36.Using this kind of structure Advantage is the gearratio that can change between firsts and seconds gear, is exported so as to the rotation of pilot plunger 5.

In another embodiment as shown in figure 11, transmission mechanism 3 further includes reduction box 37.It is equipped in reduction box 37 Sun planetary gear set.Motor shaft 21 and shaft 33 are sequentially connected respectively with reduction box 37.The benefit for setting reduction box 37 is energy The rotation output of enough further pilot plungers 5.

In above example, plunger 5 is connected with eccentric stiffener 7, is driven by the eccentric rotational motion of eccentric stiffener 7 The upper straight reciprocating motion along its length of plunger 5.Certainly, it is connected the present invention is not limited to plunger 5 with eccentric stiffener 7, plunger 5 It can also be connected to realize the straight reciprocating motion on along its length with other mechanisms.Implementation as shown in Figure 12 and Figure 13 In example, plunger 5 is connected with toggle 8.Toggle 8 includes the connecting rod 81 being connected with each other and crank 82.Even One end connecting crank 82 of bar 81, and the other end of connecting rod 81 connection plunger 5.And one end connection connecting rod 81 of crank 82, crank 82 other end is connected to transmission mechanism 3.Connecting rod 81 and the junction of crank 82 form pivotal point 83 so that connecting rod 81 and crank 82 can relatively rotate around pivotal point 83.As shown in Figure 12 and Figure 13, which can be by transmission mechanism 3 Convert rotational motion is the reciprocating motion of plunger 5 in its longitudinal direction.Figure 13 illustrates the effect in toggle 8 Under, plunger 5 is in the first critical condition；And Figure 14 illustrates plunger 5 and is in the second critical condition.

In the embodiment shown in Figure 14 to Figure 15, pump 4 has the driving wheel 51 of connection transmission mechanism 3 and engagement driving wheel 51 driven wheel 52.Pump 4, which further includes, is separately positioned on the correspondence first chamber 53 of both sides of driving wheel 51 and second chamber 54.First Chamber 53 is isolated with second chamber 54 by driving wheel 51 and driven wheel 52.First chamber 53 is connected with water inlet 431, second chamber 54 are connected with water outlet 441.Gap between the gear of driving wheel 51 or driven wheel 52 forms the transport chamber 55 for accommodating water.Such as figure Shown in 14, the direction of rotation of driving wheel 51 is clockwise, the direction of rotation of driven wheel 52 mutually should be counterclockwise.With The rotation of driving wheel 51, transport chamber 55 are connected with first chamber 53, and the water in first chamber 53 enters in transport chamber 55, and to Two chambers 54 move.In the rotary course of driving wheel 51, the inner walls 48 for pumping 4 have sealing function to transport chamber 55, therefore The water in transport chamber 55 will not be caused to leak out.When driving wheel 51 rotates the position connected to transport chamber 55 with second chamber 54 When, the water in transport chamber 55 is just moved into second chamber 54, and is finally discharged from water outlet 441.It is defeated in order to increase Send efficiency, 53 water can also pass into the transport chamber 55 of driven wheel 52 in first chamber.It is transported through driven wheel 52 to second In chamber 54.Benefit using the pump of this type is that overall structure is compacter.

Side schematic view as shown in figure 15, transmission mechanism 3 include the transmission shaft 38 being sequentially connected with motor shaft 21.Transmission Axis 38 is connected by meshing transmission motor shaft 21 by gear.Transmission shaft 38 is arranged in parallel with motor shaft 21.Transmission shaft 38 is equipped with branch Support bearing 34.Transmission shaft 38 is connected along its axis extending direction with driving wheel 51.Motor 2, which rotates, drives transmission shaft 38 to rotate, And transmission shaft 38 drives driving wheel 51 and driven wheel 52 to rotate.In 52 rotation process of driving wheel 51 and driven wheel, water can be with One chamber 53 is moved to second chamber 54.Using this kind of mechanism, transmission mechanism 3 can be wholely set with pump 4, so as to further subtract Small whole volume size.

As previously mentioned, in one or more embodiments of transmission mechanism 3, including slowing-down structure, such as planetary gear machine Structure etc..In the case where the input speed scope of pump and its mating rotation-ping-pong architecture is certain, compared to directly using defeated Go out Low speed electric motor of the rotating speed in the range of the input speed, can be shown using the reasonable cooperation of slowing-down structure and pot motor Writing reduces the overall weight and volume of motor and transmission mechanism.In the present embodiment, the no-load speed of motor 2 is more than or equal to 10000rpm or 12000rpm or 15000rpm or 20000rpm, the unloaded output speed of the slowing-down structure of transmission mechanism 3 are less than Equal to 3000rpm or 2500rpm or 2200rpm or 2000rpm.The reduction ratio of the slowing-down structure of transmission mechanism 3 is 12:1 to 3:1 Between, such as from about 10:1、8:1、7:1、6:1、5:1、4:1 etc..It compares and directly uses Low speed electric motor, the motor 2 of the present embodiment Volume and weight can be reduced to less than half, improve the portability of jetting machine 1.

Embodiment described above only expresses the several embodiments of the present invention, and description is more specific and detailed, but simultaneously Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention Protect scope.

Claims

1. a kind of pump unit applied to jetting machine, including：

Intake antrum；

Water chamber；

Central bore connects the intake antrum and water chamber；

It is characterized in that：The pump unit further includes the eccentric machine of the indoor plunger of centrally disposed chamber and the connection plunger Structure, the eccentric stiffener drive the plunger to be moved back and forth in the central bore.

2. pump unit according to claim 1, it is characterised in that：It is equipped with and uses between the water chamber and the central bore In the first unidirectional valve cell of conducting and partition, it is equipped with what is turned on and separate between the intake antrum and the central bore Second unidirectional valve cell, the first and second unidirectional valve cell is opened accordingly by the plunger actuation or partition.

3. pump unit according to claim 1, it is characterised in that：The eccentric stiffener is included around center axis thereof Shaft and the eccentric eccentric shaft for connecting the shaft, plunger is so that the plunger is relatively described described in the bias axis connection Make eccentric move back and forth in the center of shaft.

4. pump unit according to claim 4, it is characterised in that：The center of the plunger, which is equipped with, connects the eccentric shaft Mounting portion is equipped with installation bearing between the mounting portion and the eccentric shaft.

5. pump unit according to claim 1, it is characterised in that：Shape between the inner wall of the central bore and the plunger Into gap, straight reciprocating motion is made in the gap with the movement of the plunger.

6. a kind of pump unit applied to jetting machine, including：

Intake antrum；

Water chamber；

Central bore connects the intake antrum and water chamber；

It is characterized in that：The pump unit further includes the indoor plunger of centrally disposed chamber and the crank of the connection plunger connects Linkage, the toggle drive the plunger to be moved back and forth in the central bore.

7. pump unit according to claim 6, it is characterised in that：The toggle is connected to described including one end The connecting rod of plunger and the crank for being movably connected on the connecting rod other end, the connecting rod can relatively described crank rotation connections.

8. a kind of pump unit applied to jetting machine, it is characterised in that：Housing, the intake antrum and water chamber being provided separately, The gear of buffer action is equipped between the intake antrum and water chamber, the gear wheel, which encloses, to be rotated about axis, the card of the gear Gap between tooth forms conveyor chamber, and the water in intake antrum is delivered to the water chamber by the conveyor chamber.

9. pump unit according to claim 8, it is characterised in that：The gear includes driving wheel and driven wheel, the master Driving wheel is intermeshed with the driven wheel, and the driving wheel, which is drivingly enclosed, to be rotated about axis.

10. a kind of jetting machine of pump unit using as described in claim 8-9, it is characterised in that：The high-pressure wash Machine includes the motor for generating power, the motor and the transmission mechanism of the pump unit is connected, wherein the transmission mechanism With reduction box casing, the reduction box casing and the housing of the pump unit are integrally formed.

11. a kind of Handheld high-voltage cleaning machine, which is characterized in that the jetting machine is powered using direct current, Neng Goutong It crosses water pipe and is connected to external water source；The jetting machine includes：

Shell, enclosure have motor, the transmission mechanism for connecting motor, are pumped by transmission mechanism drive；

For the handle of gripping；

Nozzle, the water of the external water source are outwards sprayed from nozzle.

12. jetting machine according to claim 11, which is characterized in that the pump in preceding claims 1-9 as appointed Described in one.

13. jetting machine according to claim 11, which is characterized in that the main screw lift of the jetting machine is less than Equal to 3 kilograms.

14. jetting machine according to claim 11, which is characterized in that the main screw lift of the jetting machine is less than Equal to 2 kilograms.

15. jetting machine according to claim 11, which is characterized in that the center of gravity of the jetting machine is located at high pressure On cleaning machine front-rear direction, handle rear end point backward 8 centimetres within handle forward terminal forward 8 centimetres.

16. jetting machine according to claim 15, which is characterized in that the center of gravity of the jetting machine is located at high pressure On cleaning machine front-rear direction, handle rear end point to handle forward terminal is forward within 5 centimetres.

17. jetting machine according to claim 15, which is characterized in that the motor, transmission mechanism and pump form work( Energy component, the functional component are located at one end of handle；Jetting machine further includes battery pack, and battery pack is located at the another of handle End.

18. jetting machine according to claim 15, which is characterized in that the motor, transmission mechanism and pump form work( Energy component, the position of centre of gravity of the functional component are located at the front of handle forward terminal；Jetting machine further includes battery pack, battery The position of centre of gravity of bag is located at the rear of handle forward terminal.

19. jetting machine according to claim 11, which is characterized in that in the functional component and battery pack at least One part is extend into handle.

20. jetting machine according to claim 11, which is characterized in that the motor, transmission mechanism and pump form work( Energy component, the weight of the functional component are less than or equal to 1000 grams, and jetting machine further includes battery pack, the weight of the battery pack Amount is less than or equal to 800 grams.

21. jetting machine according to claim 11, which is characterized in that jetting machine further includes battery pack, battery The rated voltage of bag is between 18-42V, and capacity is between 1.5-3Ah.

22. jetting machine according to claim 11, which is characterized in that jetting machine has to connect the water The water intake end mouth of pipe, the water intake end mouth are located in front and rear 5 centimetres of the center of gravity of jetting machine.

23. jetting machine according to claim 11, which is characterized in that there is the water intake end for connecting the water pipe Mouthful, the water intake end mouth is located at the forward terminal of handle and arrives aft terminal backward between 5 centimetres for 5 centimetres forward.

24. jetting machine according to claim 11, which is characterized in that the whole length of jetting machine is less than 500 Millimeter, highly less than or equal to 250 millimeters.

25. jetting machine according to claim 11, which is characterized in that the transmission mechanism includes slowing-down structure, institute The no-load speed for stating motor is more than or equal to 10000rpm, and the output speed of the slowing-down structure is less than or equal to 3000rpm.

26. jetting machine according to claim 25, which is characterized in that the no-load speed of the motor is more than or equal to 15000rpm, the output speed of the slowing-down structure are less than or equal to 2500rpm.

27. jetting machine according to claim 25, which is characterized in that the slowing-down structure is planetary gear construction.

28. jetting machine according to claim 25, which is characterized in that the reduction ratio of the slowing-down structure is 12:1 to 3:Between 1 or 10:1 to 4:Between 1.

29. a kind of Handheld high-voltage cleaning machine, which is characterized in that can external water source be connected to by water pipe；The high pressure is clear Washing machine includes：

For the handle of gripping；

Nozzle, the water of the external water source are outwards sprayed from nozzle；

The center of gravity of the jetting machine be located on jetting machine front-rear direction, handle rear end point backward 8 centimetres to handle Forward terminal is forward within 8 centimetres.

30. jetting machine according to claim 29, which is characterized in that the center of gravity of the jetting machine is located at high pressure On cleaning machine front-rear direction, handle rear end point to handle forward terminal is forward within 5 centimetres.

31. jetting machine according to claim 29, which is characterized in that the motor, transmission mechanism and pump form work( Energy component, the functional component are located at one end of handle；Jetting machine further includes battery pack, and battery pack is located at the another of handle End.

32. jetting machine according to claim 29, which is characterized in that the motor, transmission mechanism and pump form work( Energy component, the weight of the functional component are less than or equal to 1000 grams, and jetting machine further includes battery pack, the weight of the battery pack Amount is less than or equal to 800 grams.

33. jetting machine according to claim 29, which is characterized in that the main screw lift of the jetting machine is less than Equal to 3 kilograms.

34. jetting machine according to claim 29, which is characterized in that the pump in preceding claims 1-9 as appointed Described in one.

35. a kind of Handheld high-voltage cleaning machine, which is characterized in that can external water source be connected to by water pipe；The high pressure is clear Washing machine includes：

For the handle of gripping；

The transmission mechanism includes slowing-down structure, and the no-load speed of the motor is more than or equal to 10000rpm, the slowing-down structure Output speed be less than or equal to 3000rpm.

36. jetting machine according to claim 35, which is characterized in that the no-load speed of the motor is more than or equal to 15000rpm, the output speed of the slowing-down structure are less than or equal to 2500rpm.

37. jetting machine according to claim 35, which is characterized in that the slowing-down structure is planetary gear construction.

38. jetting machine according to claim 35, which is characterized in that the reduction ratio of the slowing-down structure is 12:1 to 3:Between 1 or 10:1 to 4:Between 1.

39. jetting machine according to claim 35, which is characterized in that the pump in preceding claims 1-9 as appointed Described in one.

40. a kind of Handheld high-voltage cleaning machine, which is characterized in that can external water source be connected to by water pipe；The high pressure is clear Washing machine includes：

For the handle of gripping；

The transmission mechanism include slowing-down structure, the slowing-down structure be planetary gear speed-reduction structure, the planetary gear speed-reduction Structure reduces the output speed of the motor, output torque increases.