CN208527041U - Hand-held cleaning pump rifle - Google Patents

Abstract

The utility model relates to a kind of hand-held cleaning pump rifle, power mechanism, eccentric gearing shaft assembly, plunger mechanism, disengaging water-pump valve mechanism are provided in shell；Passing in and out water-pump valve mechanism includes plunger cavity and water cavity, and the water inlet of water cavity is connected to a water inlet pipe, and is provided with water feeding one-way valve, and the water outlet of water cavity is connected to an outlet pipe, and is provided with out water one-way valve；It is characterized by: plunger mechanism includes no less than two plunger monomers, elastic recovery part, outer end and eccentric drive shaft component touch are provided between the inner end of each plunger monomer and the inner wall of plunger cavity.The utility model uses split type plunger monomer, and under the action of elastic recovery part, plunger monomer and bearing are contradicted and connected, and mitigates the load of transmission shaft；Pump valve mechanism, automatically controls external water source by the check valve of water inlet pipe nozzle and enters internal water cavity, is evacuated especially by plunger pump to water inlet pipe, and check valve automatically turns on after generating pressure difference, can simplify the structure of hand-held part.

Description

Hand-held cleaning pump rifle

Technical field

The utility model belongs to field of power tools, and in particular to pump configuration is a kind of hand-held cleaning pump rifle.

Background technique

Handheld high-voltage cleaning machine itself does not have the cisten mechanism at storage water source, is by the water outside water pipe connection Source.It is controlled and is opened and closed by valve between cavity inside water pipe and cleaning machine, the cleaning equipment as disclosed in CN206535797U uses Valve member controls the on-off of external inlet pipeline and water pump, triggers valve member by operation button, operation button touching is similar Trigger or handle.When operation, hand needs to maintain pressing state always, after long working, causes hand fatigue.Meanwhile In order to be equipped with trigger or handle arrangement, the volume of the hand-held part of cleaning machine shell is bigger than normal, and structure is more complicated.

Handheld high-voltage cleaning machine is formed the pressure difference variation of internal water cavity, is generated water suction and gone out by the reciprocating motion of plunger The effect of water.In the comparable situation of power mechanism parameter, the volume of plunger, the volume differences of plunger and cavity, the volume of cavity It is to codetermine water yield.The pump unit as disclosed in CN107061213A and Handheld high-voltage cleaning machine, CN207025945U are public The Handheld high-voltage cleaning machine opened improves water yield and hydraulic pressure by increasing the quantity of plunger.However, in actual operation, with The increase of plunger quantity, the load of power mechanism also improving, resistance suffered by the operation of power output shaft and transmission shaft Power is also increasing, and card resistance phenomenon easily occurs, body operation is unsmooth, out the problems such as water unstable；Although can be by with high negative The power mechanism of load solves, but the volume of high load power mechanism is big, weight is big, can not be small with Handheld high-voltage cleaning machine Type structure matches.

Summary of the invention

How the utility model is mainly for improving water yield and balance plunger quantity and motor load while hydraulic pressure The problem of, a kind of hand-held cleaning pump rifle has been invented, using split type plunger monomer, plunger monomer and transmission shaft or bearing Only contact is not connected to, and under the action of elastic recovery part, plunger monomer and transmission shaft or bearing, which are formed, contradicts connection；Plunger list On the one hand the reciprocating motion of body is the impetus of transmission shaft, be on the other hand the two-way rebound effect of elastic recovery part, greatly The load for alleviating transmission shaft, even if multiple groups plunger is arranged simultaneously, body can still be operated normally；Moreover, this is practical new The pump valve mechanism of type automatically controls external water source by the check valve of water inlet pipe nozzle and enters internal water cavity, especially by plunger pump Water inlet pipe is evacuated, check valve automatically turns on after generating pressure difference, can simplify the structure of hand-held part.

The above-mentioned technical problem of the utility model is carried out by the following technical programs: a kind of hand-held cleaning pump Rifle, including shell, shell are provided with hand-held part, water entering section, outlet part；Power mechanism, eccentric drive shaft group are provided in shell Part, plunger mechanism, disengaging water-pump valve mechanism.

The disengaging water-pump valve mechanism, including plunger cavity and water cavity, plunger cavity are connected to water cavity, and water cavity is provided with water inlet And water outlet, wherein the water inlet of water cavity is connected to a water inlet pipe, meanwhile, the water inlet of water cavity and the connection position of water inlet pipe It is provided with water feeding one-way valve, the water outlet of water cavity is connected to an outlet pipe, meanwhile, the water outlet of water cavity and the interconnecting part of outlet pipe Position is provided with out water one-way valve.

The plunger mechanism carries out under the collective effect of power mechanism and eccentric gearing shaft assembly relative to plunger cavity straight Line reciprocal telescopic movement, the axis direction of the straight reciprocating motion direction of plunger mechanism perpendicular to eccentric gearing shaft assembly.

It is characterized by: the plunger mechanism includes no less than two plunger monomers, with the axis of eccentric gearing shaft assembly No less than one plunger monomer is respectively set centered on line and in the opposite two sides of eccentric gearing shaft assembly, is located at eccentric pass The plunger monomer spacing side by side of the same side of moving axis component is distributed, the straight reciprocating motion direction of plunger monomer and eccentric drive shaft The axis direction of component is vertical.

Each plunger monomer, protrudes between the inner end of plunger cavity and the inner wall of plunger cavity and is provided with elastic recovery part, It its outer end for exposing to plunger cavity can be with eccentric drive shaft component touch.

Plunger monomer is different from integrated pole plug structure, and plunger monomer is mutually indepedent with transmission shaft, needs elastic recovery part Auxiliary could complete to move back and forth.Since existing integrated pole plug structure drives piston reciprocation movement by transmission shaft completely, So after plunger quantity increase, load excessive hinders the smooth operation of body.Split type plunger, incorporeity connects between bearing Binding structure, under the rebound booster action of elastic recovery part, plunger monomer and bearing form and contradict connection, in the past of plunger monomer In multiple motion process, the outer end of plunger monomer is bonded with bearing always, and plunger monomer protrudes under the promotion of transmission shaft and bearing Plunger cavity, later far from plunger cavity under the collective effect of transmission shaft and bearing and elastic recovery part.

Preferably, the plunger monomer, extends internally along the central axial direction of plunger monomer from the end face of inner end and sets Mounting hole is set, the elastic recovery part is arranged in mounting hole, one end for exposing to mounting hole of elastic recovery part and plunger cavity Inner wall contradict, meanwhile, under the action of elastic recovery part, the outer end of plunger monomer and eccentric gearing shaft assembly are contradicted.Installation There is certain depth to make elastic recovery part in expanding-contracting action when side for also having guiding role while mounting structure in hole It stretches to consistent, stable, guarantees that piston structure overall operation is stablized.

Preferably, the plunger mechanism includes two plunger monomers, two plunger monomers are in eccentric transmission shaft Mandrel line is symmetric for symmetry axis, or is symmetric using the central axis of eccentric bearing as symmetry axis, i.e., two The central axis of plunger monomer is located along the same line, and the central axis of the central axis of two plunger monomers and transmission shaft Vertically；The outer end for constituting axisymmetric two plunger monomers contacts at the two sides of eccentric gearing shaft assembly respectively, and two plungers The inner end of monomer, which respectively corresponds, protrudes into two plunger cavities, and the elastic recovery part is set as one section of spring, or bend Elastic slice.

Two plunger monomers are symmetrically formed one group of plunger, due to using eccentric balance double suction water, black soy sauce water, then plunger list The symmetrical balance of body is conducive to improve stability；But if structure is applied to other equipment for specially requiring inequality to be discharged, So plunger monomer does not need to be symmetrical arranged, and can staggeredly be spaced setting or plunger quantity is more on one side, few on one side.

Preferably, the plunger mechanism includes four plunger monomers, four plunger monomers are in eccentric transmission shaft Mandrel line is symmetry axis in symmetrical two-by-two, or using the central axis of eccentric bearing is symmetry axis in symmetrically dividing two-by-two Cloth, that is, the central axis for constituting axisymmetric two plunger monomers is located along the same line, and the center of two plunger monomers The central axis upright of axis and transmission shaft；The outer end for constituting axisymmetric two plunger monomers contacts at eccentric drive shaft respectively The two sides of component, and the same plunger cavity is protruded into the inner end for being located at two plunger monomers side by side of symmetry axis the same side；It is described Elastic recovery part is set as one section of spring, or the elastic slice of bending.Four plungers symmetrically constitute two groups of plungers, improve water yield.

The plunger mechanism includes two or more plunger monomers, and plunger monomer is centered on the axis of transmission shaft Along the radial arrangement of the radial direction of transmission shaft, the plunger monomer in same sagittal plane constitutes one group of radial plunger group； The inner end of each plunger monomer in same group of radial plunger group, which corresponds to, protrudes into a plunger cavity, in same group of radial plunger group The outer end of plunger monomer is contradicted with the transmission shaft component in same sagittal plane simultaneously；Between being formed between adjacent radial plunger group Away from；The elastic recovery part is set as one section of spring, or the elastic slice of bending.Radial arrangement mode can be same diameter Homogeneous radiation shape arrangement into plane, i.e., the angle between plunger monomer is equal；It is also possible to the arrangement of heterogeneous radiation shape, i.e., Angle between plunger monomer differs；It can also be the radial arrangement of different sagittal planes, i.e., similar to tooth in thinkling sound's Ya stick structure Arrangement mode；The diversification arrangement of plunger monomer provides diversified water outlet form, can satisfy other cleaning requirements.

Preferably, the eccentric gearing shaft assembly includes transmission shaft, the ring that can be connected with external driving mechanism Set is connected to no less than one bearing of transmission shaft；The transmission shaft is eccentric transmission shaft, the i.e. central axis of transmission shaft It is parallel to each other with the central axis of the power output shaft of external drive mechanism, meanwhile, the central axis of the axis hole of the bearing with The central axis of bearing is overlapped；Alternatively, the bearing is eccentric bearing, i.e., in the central axis and bearing of the axis hole of bearing Mandrel line is parallel to each other, meanwhile, the central axis of the power output shaft of the central axis and external drive mechanism of the transmission shaft It is overlapped；In the eccentric gearing shaft assembly, limit spacer is provided between adjacent bearing, limit spacer ring set is connected to transmission Axis, the both ends for limiting spacer are contradicted with bearing respectively.Foregoing provide two different eccentric structures, are driven eccentric shaft, or Bearing is eccentric.

Preferably, the disengaging water-pump valve mechanism, water inlet pipe is interior and is provided with switch check valve at outer end, and And switch check valve can automatically turn on the reduction of water inlet intraductal atmospheric pressure or hydraulic pressure, increase and be closed automatically.Water inlet pipe After interior air is extracted, draught head is formed, switch check valve automatically turns on, and no setting is required, and additional trigger or handle controls list Opening and closing to valve, when operation reduce hand fatigue, simplify the structure of hand-held part.

Preferably, be connected between the water inlet pipe and outlet pipe by a pressure-releasing chamber, also, water inlet pipe and pressure-releasing chamber Connection position is provided with pressure release check valve, and when water outlet inner pipe water pressure is excessive, pressure release check valve is automatically turned on, when water in outlet pipe After pressure drop is low, pressure release check valve is automatically closed.This, which is provided with, is conducive to improve safety, and after relief valve is opened, excessive water is returned Water inlet pipe is flowed to, hydraulic pressure is reduced, in case outlet pipe is ruptured by excessive hydraulic pressure.

Preferably, the disengaging water-pump valve mechanism, including two plunger cavities, two water cavities；Two plunger cavities are respectively First plunger cavity, the second plunger cavity, then the inner end correspondence for constituting the plunger monomer of plunger mechanism protrude into two plunger cavities；Two water Chamber is the first water cavity, the second water cavity respectively, wherein the first water cavity is connected to the first plunger cavity, the second water cavity and the second plunger cavity Connection；First water cavity is provided with inlet and outlet, and second water cavity is provided with inlet and outlet.

Preferably, being connected between the water inlet of first water cavity and the water inlet of the second water cavity by a water inlet adapter cavity Logical, which is provided with a water inlet, which is connected to water inlet pipe；The water inlet of first water cavity with into The first water feeding one-way valve is arranged in the connection position of water adapter cavity, and the first water feeding one-way valve can be with the drop of hydraulic pressure in the first water cavity It is low and open, increase and be closed；The second water inlet of connection position setting of the water inlet and water inlet adapter cavity of second water cavity is single To valve, the second water feeding one-way valve can be opened with the reduction of hydraulic pressure in the second water cavity, increase and be closed；First water cavity Water outlet and the water outlet of the second water cavity between be connected to by a water outlet adapter cavity, which is provided with a water outlet Mouthful, which is connected to outlet pipe；The water outlet of first water cavity and the connection position setting first of water outlet adapter cavity go out Water one-way valve, first, which goes out water one-way valve, can be closed with the reduction of hydraulic pressure in the first water cavity, increase and open；Described second The connection position setting second of the water outlet of water cavity and water outlet adapter cavity goes out water one-way valve, and second goes out water one-way valve can be with the The reduction of hydraulic pressure in two water cavities and be closed, increase and open.

Preferably, the switch check valve includes one section of spring, the valve body for being connected to spring end；First water inlet Check valve includes one section of spring, the valve body for being connected to spring end；Second water feeding one-way valve includes one section of spring, is connected to The valve body of spring end；Described first go out water one-way valve include one section of spring, the valve body for being connected to spring end；Described second goes out Water one-way valve includes one section of spring, the valve body for being connected to spring end.Above-mentioned one-way valve structures are simple, it is easy to accomplish.

Preferably, the outer end of the water inlet pipe is located at the water inlet of water entering section, also, the water inlet of water entering section is set It is equipped with the water pipe head for connecting external water-supply-pipe；The outer end of the outlet pipe is located at the water outlet of outlet part, also, goes out The water outlet in water portion connects spray bar mechanism.

In conclusion the utility model has the advantages that compared with prior art

The utility model uses split type plunger monomer, and plunger monomer is only contacted with bearing to be not connected to, in elastic recovery Under the action of part, plunger monomer and bearing form and contradict connection；On the one hand the reciprocating motion of plunger monomer is the promotion of transmission shaft Effect, is on the other hand the two-way rebound effect of elastic recovery part, greatly alleviates the load of transmission shaft, even if being arranged simultaneously Multiple groups plunger, body can still operate normally, and therefore, can improve water yield and water in the case where power is basically unchanged Pressure；The plunger monomer of the utility model can use radial arrangement mode, including the homogeneous radiation in same sagittal plane Shape arrangement and the arrangement of heterogeneous radiation shape, or the radial arrangement of different sagittal planes, the diversification arrangement of plunger monomer Diversified water outlet form is provided, can satisfy other cleaning requirements；The pump valve mechanism of the utility model, by water inlet pipe pipe The check valve of mouth automatically controls external water source and enters internal water cavity, is evacuated especially by plunger pump to water inlet pipe, generates pressure Check valve automatically turns on after difference, and additional switch control that no setting is required simplifies the structure of hand-held part.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the plunger mechanism of the utility model and the cross-sectional view of eccentric drive shaft components；

Fig. 3 is the cross-sectional view of the first state of the disengaging water-pump valve mechanism of the utility model；

Fig. 4 is the cross-sectional view of second of state of the disengaging water-pump valve mechanism of the utility model；

Fig. 5 is the water entering section of the utility model and the cross-sectional view of outlet part；

Fig. 6 is second of embodiment schematic diagram of the plunger mechanism of the utility model；

Fig. 7 is the third embodiment schematic diagram of the plunger mechanism of the utility model；

Fig. 8 is second of embodiment schematic diagram of the eccentric gearing shaft assembly of the utility model；

Fig. 9 is the 4th kind of embodiment schematic diagram of the plunger mechanism of the utility model；

Figure 10 is the 5th kind of embodiment schematic diagram of the plunger mechanism of the utility model；

Figure 11 is the 6th kind of embodiment schematic diagram of the plunger mechanism of the utility model.

Figure label are as follows: 1, disengaging water-pump valve mechanism；10, the first plunger cavity；11, the first water cavity；13, water inlet adapter cavity； 14, it is discharged adapter cavity；15, pressure-releasing chamber；16, pressure release check valve；18, the first water feeding one-way valve；19, first goes out water one-way valve；20, Second plunger cavity；22, the second water cavity；23, elastic recovery part；24, mounting hole；28, the second water feeding one-way valve；29, the second water outlet Check valve；8, water inlet pipe；81, check valve is switched；9, outlet pipe；

2, plunger mechanism；21, plunger monomer；3, eccentric gearing shaft assembly；31, transmission shaft；32, bearing；33, limit every Set；4, power mechanism；6, shell；61, hand-held part；62, water entering section；63, outlet part.

Specific embodiment

The present invention will be further described with reference to the accompanying drawings and examples.

Embodiment 1:

As shown in Figure 1, a kind of hand-held cleaning pump rifle, shell 6 is in gun body shape, is sequentially mounted with power in shell 6 Mechanism 4, eccentric gearing shaft assembly 3, plunger mechanism 2, disengaging water-pump valve mechanism 1；Power mechanism 4 is motor, and is located at shell 6 The top of hand-held part 61 is equipped with start button in the hand-held part of shell 6 61, and the muzzle position of shell 6 is outlet part 63, in hand It holds the front in portion 61 and is the water entering section 62 extended downwardly at muzzle, the water inlet of water entering section 62 is water pipe head 82, For connecting external water-supply-pipe, water pipe head 82 and external water-supply-pipe can be using threaded connections.

As shown in Fig. 3,4,5, the disengaging water-pump valve mechanism 1, and symmetrical plunger cavity identical there are two structure and two Structure is identical and symmetrical water cavity；Two plunger cavities are respectively the first plunger cavity 10, the second plunger cavity 20；Two water cavities are respectively First water cavity 11, the second water cavity 22；First water cavity 11 is connected to the first plunger cavity 10, and the second water cavity 22 and the second plunger cavity 20 connect It is logical.

First water cavity 10 has a water inlet and a water outlet, and water inlet is than water outlet closer to the first plunger cavity 11；Second water cavity 20 has a water inlet and a water outlet, and water inlet is than water outlet closer to the second plunger cavity 22；The It is connected between the water inlet of one water cavity 10 and the water inlet of the second water cavity 20 by a water inlet adapter cavity 13, the water inlet adapter cavity 13 There is a water inlet, which is connected to a water inlet pipe 8, which is connected to the water inlet of the water entering section 62 of shell 6.

First water feeding one-way valve is arranged in the water inlet of first water cavity 10 and the connection position of water inlet adapter cavity 13 18, the first water feeding one-way valve 18 is formed by connecting by one section of spring and a valve body, and valve body is connected to the end of spring, the first water inlet Check valve 13 can be opened with the reduction of hydraulic pressure in the first water cavity 10, increase and be closed.

Second water feeding one-way valve is arranged in the water inlet of second water cavity 20 and the connection position of water inlet adapter cavity 13 28, the second water feeding one-way valve 28 is formed by connecting by one section of spring and a valve body, and valve body is connected to the end of spring, the second water inlet Check valve 28 can be opened with the reduction of hydraulic pressure in the second water cavity 20, increase and be closed.

It is connected between the water outlet of first water cavity 10 and the water outlet of the second water cavity 20 by a water outlet adapter cavity 14, The water outlet adapter cavity 14 has a water outlet, which is connected to an outlet pipe 9, which is connected to the water outlet of shell 6 The water outlet in portion 63.

The water outlet of first water cavity 10 and the connection position of water outlet adapter cavity 14 are arranged one first and go out water one-way valve 19, first goes out water one-way valve 19 is formed by connecting by one section of spring and a valve body, and valve body is connected to the end of spring, the first water outlet Check valve 19 can be closed with the reduction of hydraulic pressure in the first water cavity 10, increase and open.

The water outlet of second water cavity 10 and the connection position of water outlet adapter cavity 14 are arranged one second and go out water one-way valve 29, second goes out water one-way valve 29 is formed by connecting by one section of spring and a valve body, and valve body is connected to the end of spring, the second water outlet Check valve 29 can be closed with the reduction of hydraulic pressure in the second water cavity 20, increase and open.

The water entering section 62 of the shell 6, internal water inlet pipe 8 is interior and has a switch check valve 81 at outer end, Switch check valve 81 is formed by connecting by one section of spring and a valve body, and valve body is connected to the end of spring, switchs 81 energy of check valve It is enough to be automatically turned on air pressure or the reduction of hydraulic pressure in water inlet pipe 8, increase and be closed automatically.

The outlet pipe 9 extends horizontally, and the water inlet pipe 8 straight down or extends obliquely downward, outlet pipe 9 and into It is connected between water pipe 8 by a pressure-releasing chamber 15, also, there is a pressure release check valve at the connection position of water inlet pipe 8 and pressure-releasing chamber 15 16, pressure release check valve 16 is connected and composed by one section of spring and a valve body, and valve body is connected to the end of spring, when in outlet pipe 9 When hydraulic pressure is excessive, pressure release check valve 16 is automatically turned on, and after hydraulic pressure reduces in outlet pipe 9, pressure release check valve 16 is automatically closed.

The water outlet of the outlet part 63 of shell 6 is detachably connected spray boom 64, and the outer end of spray boom 64 connects nozzle 65.

As shown in Fig. 2, the eccentric gearing shaft assembly 3 is made of 31, two bearings 32 of a transmission shaft, wherein transmission Axis 31 is eccentric transmission shaft, and the central axis of the power output shaft of the central axis and motor of transmission shaft 31 is parallel to each other, is passed The power output axis connection of moving axis 31 and motor forms power transmission；The bearing 32 is positive centre bearing 32, i.e., in axis hole Mandrel line is overlapped with the central axis of bearing, and two 32 ring sets of bearing are connected to transmission shaft 31, between being formed between two bearings 32 Away from and two bearings 32 between have one section of limit spacer 33, limit 33 ring set of spacer is connected to transmission shaft 31, limit spacer 33 Both ends are contradicted with two bearings 32 respectively.

The plunger mechanism 2 is under the collective effect of motor and eccentric gearing shaft assembly 3, relative to 10 He of the first plunger cavity Second plunger cavity 20 carries out linear reciprocation stretching motion, and the straight reciprocating motion direction of plunger mechanism 2 is perpendicular to eccentric drive shaft Component 3

Axis direction.

Specifically, the plunger mechanism 2 includes four plunger monomers 21, every two plunger monomer 21 is symmetrical arranged into one Group, i.e. four plunger monomers 21 are symmetry axis in symmetrical two-by-two, formation parallel connection using the central axis of eccentric transmission shaft 31 Two groups of plungers, that is, the central axis for constituting axisymmetric two plunger monomers 21 is located along the same line, and two plungers The central axis of monomer 21 and the central axis upright of transmission shaft 31.

It is in pair that first plunger cavity 10 and the second plunger cavity 20, which are symmetry axis using the central axis of eccentric transmission shaft 31, Claim distribution；In aforementioned four plunger monomer 21, the inner end of two plunger monomers 21 side by side of close first plunger cavity 10 is simultaneously The first plunger cavity 10 is protruded into, and the outer end of two plunger monomers 21 side by side then respectively corresponds two contacted on transmission shaft 31 Bearing 32；The second plunger cavity 20 is protruded into simultaneously in inner end close to two plunger monomers 21 side by side of the second plunger cavity 20, and two The outer end of a plunger monomer 21 side by side then respectively corresponds two bearings 32 contacted on transmission shaft 31.

Aforementioned four plunger monomer 21, each plunger monomer 21 is from the end face of inner end along the central axis side of plunger monomer 21 To the mounting hole 24 for one indent of setting that extends internally, elastic recovery part 23 is installed in mounting hole 24, specifically, elastic recovery part 23 use one section of spring, and the outer end for exposing to mounting hole 24 of spring contacts at the first plunger cavity 10 or the second plunger cavity 20 Inner wall, also, gap is formed between the inner wall of corresponding the first plunger cavity 10 or the second plunger cavity 20 of plunger monomer 21.

The method of operation: 1) connecting water pipe in the water pipe head of water entering section, is connected to external water source by water pipe；

2) when working for the first time, pump housing work is evacuated water inlet pipe, makes to switch check valve both ends generation draught head, open It closes check valve to be opened, then extracts water source to the air between the pump housing, i.e. air in water pipe, after air exhausts, pump Body formally starts to draw water, and water flow ejects in such a way that high pressure water flow obtains from spray boom and nozzle after the pump housing is pressurized, and reaches clear The purpose washed；

3) under the driving effect of motor and transmission shaft, when plunger monomer is moved towards the first plunger cavity, the second water The hydraulic pressure of chamber reduces, and the second water feeding one-way valve is opened, and second, which goes out water one-way valve, is closed, and water flow was intake from water inlet pipe inflow Chamber is crossed, and flows into the second water cavity from the second water feeding one-way valve, part water flow flows into the second plunger cavity again；Meanwhile first water cavity Hydraulic pressure increase, the first water feeding one-way valve is closed, and first, which goes out water one-way valve, is opened, and is stored in the first plunger cavity and the originally Water in one water cavity is pressed into water outlet adapter cavity from first out water one-way valve, is stored in the water in water outlet adapter cavity originally from out The mouth of a river is pressed into outlet pipe, sprays using spray boom and nozzle；

4) under the driving effect of motor and transmission shaft, when plunger monomer is moved towards the second plunger cavity, the first water The hydraulic pressure of chamber reduces, and the first water feeding one-way valve is opened, and first, which goes out water one-way valve, is closed, and water flow was intake from water inlet pipe inflow Chamber is crossed, and flows into the first water cavity from the first water feeding one-way valve, part water flow flows into the first plunger cavity again；Meanwhile second water cavity Hydraulic pressure increase, the second water feeding one-way valve is closed, and second, which goes out water one-way valve, is opened, and is stored in the second plunger cavity and the originally Water in two water cavities is pressed into water outlet adapter cavity from second out water one-way valve, is stored in the water in water outlet adapter cavity originally from out The mouth of a river is pressed into outlet pipe, sprays using spray boom and nozzle；

5) plunger mechanism moves back and forth primary, and formation draws water twice and sprays water twice, carry out synchronous with water suction of drawing water；

6) after the completion of working, the pump housing stops working, and switch check valve closure, water body is enclosed in water inlet pipe；

7) when the second task, pump housing work directly first extracts the water in water inlet pipe, with the reduction of rate of water added, at both ends Switch check valve is reopened under the action of pressure difference, pumping action of intaking.

Embodiment 2:

As shown in fig. 6, compared with Example 1, the distinctive points of the present embodiment are, the plunger mechanism includes two plungers Monomer 21, two plunger monomers 21 are symmetric using the central axis of transmission shaft 31 as symmetry axis.

Embodiment 3:

As shown in fig. 7, compared with Example 1, the distinctive points of the present embodiment are, the plunger mechanism 2 includes a column Plug, two plunger monomers 21；Wherein, two plunger monomers 21 are symmetric using the central axis of transmission shaft 31 as symmetry axis； And the plunger is existing common integral plunger, which is connected to one end of the separate motor of transmission shaft 31；Then, Two plunger monomers 21 and an integral plunger form two groups of piston structures arranged side by side.

Embodiment 4:

Compared with Example 1, the distinctive points of the present embodiment are, the plunger mechanism includes 6 or 6 or more plungers Monomer 21, every two plunger monomer 21 are symmetrical arranged into one group, form 3 groups or 3 groups altogether with upper plug, i.e., 6 or 6 or more Plunger monomer 21 is symmetry axis in symmetrical two-by-two using the central axis of eccentric transmission shaft 31, forms 3 groups or 3 of parallel connection With upper plug, that is, the central axis for constituting axisymmetric two plunger monomers 21 is located along the same line group, and two plungers The central axis of monomer 21 and the central axis upright of transmission shaft 31.Under the auxiliary rebound effect of elastic recovery part, even if setting A fairly large number of plunger monomer 21 has been set, excessive load will not be caused to transmission shaft 32 and motor, body still can Smooth operation.

Embodiment 5:

As shown in figure 8, compared with Example 1, the distinctive points of the present embodiment are, and the eccentric gearing shaft assembly 3, axis 32 are held as eccentric bearing, i.e. the central axis of the axis hole of bearing 32 and the central axis of bearing 32 is parallel to each other, meanwhile, it is described Transmission shaft 31 is the axis of axis center, i.e. the central axis of the power output shaft of the central axis and motor of transmission shaft 31 is overlapped.

Embodiment 6:

As shown in figure 9, compared with Example 1, the distinctive points of the present embodiment are, shown plunger mechanism includes 6 plungers Monomer 21, every 3 plunger monomers 21 constitute one group of radial plunger group, form two groups of radial plunger groups in the present embodiment altogether, and two groups Spacing is formed between radial plunger group；3 plunger monomers 21 of same group of plunger monomer group are centered on the axis of transmission shaft 31 Along the radial arrangement of the radial direction of transmission shaft 21, specifically it is distributed in heterogeneous radiation shape, it is outer in same group of radial plunger group End is contradicted with a bearing 32 simultaneously.

Embodiment 7:

As shown in Figure 10, compared with Example 6, the distinctive points of the present embodiment are, the plunger mechanism includes 10 columns Monomer 21 is filled in, every 5 plunger monomers 21 constitute one group of radial plunger group, form two groups of radial plunger groups in the present embodiment altogether, two Spacing is formed between group radial plunger group；During 5 plunger monomers 21 of same group of plunger monomer group with the axis of transmission shaft 31 are The heart is specifically distributed in homogeneous radiation shape along the radial arrangement of radial direction of transmission shaft 21, outer in same group of radial plunger group End is contradicted with a bearing 32 simultaneously.

Embodiment 8:

As shown in figure 11, compared with Example 6, the distinctive points of the present embodiment are, the plunger mechanism includes 10 columns 21,10 plunger monomers 21 of monomer are filled in centered on the axis of transmission shaft 32 along the radial arrangement of radial direction of transmission shaft 32, But 10 plunger monomers are not fully in the same sagittal plane, but it is flat in multiple and different radial directions to be interspersed Face forms the distribution mode of tooth in similar thinkling sound Ya stick structure.

Specific embodiment described in text is only to give an example to the spirit of the present invention.Belonging to the utility model Those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitutes, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Claims (10)

1. a kind of hand-held cleaning pump rifle, including shell (6), shell is provided with hand-held part (61), water entering section (62), outlet part (63)；Power mechanism (4), eccentric gearing shaft assembly (3), plunger mechanism (2), disengaging water-pump valve mechanism (1) are provided in shell；

The disengaging water-pump valve mechanism (1), including plunger cavity and water cavity, plunger cavity are connected to water cavity, and water cavity is provided with water inlet And water outlet, wherein the water inlet of water cavity is connected to a water inlet pipe (8), meanwhile, the water inlet of water cavity and the interconnecting part of water inlet pipe Position is provided with water feeding one-way valve, and the water outlet of water cavity is connected to an outlet pipe (9), meanwhile, the water outlet of water cavity and outlet pipe Connection position is provided with out water one-way valve；

The plunger mechanism (2) carries out straight line relative to plunger cavity under the collective effect of power mechanism and eccentric gearing shaft assembly Reciprocal telescopic movement, the axis direction of the straight reciprocating motion direction of plunger mechanism perpendicular to eccentric gearing shaft assembly；

It is characterized by:

The plunger mechanism (2) includes no less than two plunger monomers (21), centered on the axis of eccentric gearing shaft assembly And no less than one plunger monomer is respectively set in the opposite two sides of eccentric gearing shaft assembly, it is located at eccentric gearing shaft assembly The same side the distribution of plunger monomer spacing side by side, the axis in the straight reciprocating motion direction of plunger monomer and eccentric gearing shaft assembly Line direction is vertical；

Each plunger monomer (21), protrudes between the inner end of plunger cavity and the inner wall of plunger cavity and is provided with elastic recovery part (23), the outer end for exposing to plunger cavity can be with eccentric drive shaft component touch.

2. hand-held cleaning pump rifle according to claim 1, which is characterized in that the plunger monomer (21), from inner end End face extends internally along the central axial direction of plunger monomer to be arranged mounting hole (24), and the elastic recovery part is arranged in mounting hole In, one end for exposing to mounting hole of elastic recovery part and the inner wall of plunger cavity contradict, meanwhile, in the effect of elastic recovery part Under, the outer end of plunger monomer and eccentric gearing shaft assembly contradict.

3. hand-held cleaning pump rifle according to claim 2, which is characterized in that the plunger mechanism (2) includes two columns It fills in monomer (21), two plunger monomers are symmetric using the central axis of eccentric transmission shaft as symmetry axis, or with bias The central axis of bearing be symmetric for symmetry axis, i.e., the central axis of two plunger monomers is located along the same line, and And the central axis of two plunger monomers and the central axis upright of transmission shaft；Constitute the outer end of axisymmetric two plunger monomers The two sides of eccentric gearing shaft assembly are contacted at respectively, and the inner end of two plunger monomers respectively corresponds and protrudes into two plunger cavities, and And the elastic recovery part is set as one section of spring, or the elastic slice of bending.

4. hand-held cleaning pump rifle according to claim 2, which is characterized in that the plunger mechanism (2) includes four columns It fills in monomer (21), four plunger monomers are in symmetrical two-by-two using the central axis of eccentric transmission shaft as symmetry axis, or with The central axis of eccentric bearing is symmetry axis in symmetrical two-by-two, that is, constitutes the central axis of axisymmetric two plunger monomers Line is located along the same line, and the central axis upright of the central axis of two plunger monomers and transmission shaft；Constitute axial symmetry The outer ends of two plunger monomers contact at the two sides of eccentric gearing shaft assembly respectively, and be located at two of symmetry axis the same side simultaneously The same plunger cavity is protruded into the inner end of the plunger monomer of row；The elastic recovery part is set as one section of spring, or the bullet of bending Piece.

5. hand-held cleaning pump rifle according to claim 2, which is characterized in that the plunger mechanism includes two or two Above plunger monomer, the radial arrangement of radial direction of the plunger monomer centered on the axis of transmission shaft along transmission shaft, is located at Plunger monomer in same sagittal plane constitutes one group of radial plunger group；Each plunger monomer in same group of radial plunger group Inner end is corresponding to protrude into a plunger cavity, and the outer end of the plunger monomer in same group of radial plunger group is simultaneously and in same sagittal plane Transmission shaft component contradict；Spacing is formed between adjacent radial plunger group；The elastic recovery part is set as one section of spring, or The elastic slice of person's bending.

6. according to claim 1 to hand-held cleaning pump rifle described in 5 any one, which is characterized in that the eccentric drive shaft Component (3) includes no less than one that transmission shaft (31), the ring set that can be connected with external driving mechanism are connected to transmission shaft A bearing (32)；The transmission shaft is eccentric transmission shaft, the i.e. power of the central axis of transmission shaft and external drive mechanism The central axis of output shaft is parallel to each other, meanwhile, the central axis of the axis hole of the bearing is overlapped with the central axis of bearing；Or Person, the bearing are eccentric bearing, i.e. the central axis of the axis hole of bearing and the central axis of bearing is parallel to each other, meanwhile, The central axis of the transmission shaft is overlapped with the central axis of the power output shaft of external drive mechanism；The eccentric drive shaft group In part, limit spacer (33) is provided between adjacent bearing, limit spacer ring set is connected to transmission shaft, limits the both ends of spacer It is contradicted respectively with bearing.

7. according to claim 1 to hand-held cleaning pump rifle described in 5 any one, which is characterized in that the disengaging water-pump valve Mechanism (1) is provided with switch check valve (81) in water inlet pipe (8) and at outer end, and switching check valve can be with Water inlet intraductal atmospheric pressure or hydraulic pressure reduction and automatically turn on, increase and be closed automatically.

8. hand-held cleaning pump rifle according to claim 7, which is characterized in that the water inlet pipe (8) and outlet pipe (9) it Between be connected to by pressure-releasing chamber (15), also, the connection position of water inlet pipe and pressure-releasing chamber is provided with pressure release check valve (16), when going out When water inner pipe water pressure is excessive, pressure release check valve is automatically turned on, and after being discharged inner pipe water pressure reduces, pressure release check valve is automatically closed.

9. hand-held cleaning pump rifle according to claim 8, which is characterized in that the disengaging water-pump valve mechanism (1), including Two plunger cavities, two water cavities；Two plunger cavities are respectively the first plunger cavity (10), the second plunger cavity (20), then constitute plunger The inner end correspondence of the plunger monomer of mechanism protrudes into two plunger cavities；Two water cavities are the first water cavity (11), the second water cavity respectively (22), wherein the first water cavity is connected to the first plunger cavity, and the second water cavity is connected to the second plunger cavity；The first water cavity setting There are inlet and outlet, second water cavity is provided with inlet and outlet；The water inlet and second of first water cavity It is connected between the water inlet of water cavity by a water inlet adapter cavity (13), which is provided with a water inlet, the water inlet Mouth is connected to water inlet pipe (8)；The first water inlet of connection position setting of the water inlet and water inlet adapter cavity of first water cavity is unidirectional Valve (18), the first water feeding one-way valve can be opened with the reduction of hydraulic pressure in the first water cavity, increase and be closed；Second water The second water feeding one-way valve (28) are arranged in the connection position of the water inlet of chamber and water inlet adapter cavity, and the second water feeding one-way valve can be with The reduction of hydraulic pressure in second water cavity and open, increase and be closed；The water outlet of first water cavity and the water outlet of the second water cavity Between be connected to by water outlet adapter cavity (14), which is provided with a water outlet, the water outlet and outlet pipe (9) Connection；The connection position setting first of the water outlet and water outlet adapter cavity of first water cavity goes out water one-way valve (19), and first goes out Water one-way valve can be closed with the reduction of hydraulic pressure in the first water cavity, increase and open；The water outlet of second water cavity with The connection position setting second for being discharged adapter cavity goes out water one-way valve (29), and second goes out water one-way valve can be with water in the second water cavity The reduction of pressure and be closed, increase and open.

10. hand-held cleaning pump rifle according to claim 9, which is characterized in that the switch check valve includes one section of bullet Spring, the valve body for being connected to spring end；First water feeding one-way valve includes one section of spring, the valve body for being connected to spring end； Second water feeding one-way valve includes one section of spring, the valve body for being connected to spring end；Described first, which goes out water one-way valve, includes one Section spring, the valve body for being connected to spring end；Described second go out water one-way valve include one section of spring, the valve for being connected to spring end Body.