CN209406949U - A kind of cleaning machine equipped with accumulator - Google Patents
A kind of cleaning machine equipped with accumulator Download PDFInfo
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- CN209406949U CN209406949U CN201822243665.1U CN201822243665U CN209406949U CN 209406949 U CN209406949 U CN 209406949U CN 201822243665 U CN201822243665 U CN 201822243665U CN 209406949 U CN209406949 U CN 209406949U
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- accumulator
- highly pressurised
- piston
- pressurised liquid
- plunger
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Abstract
The utility model discloses a kind of cleaning machines equipped with accumulator, including pump unit, highly pressurised liquid runner, high pressure spray nozzle, highly pressurised liquid runner connects pump unit and high pressure spray nozzle, and the pump unit is reciprocating pump, and the accumulator is arranged on highly pressurised liquid runner；The cleaning machine is hand-hold washer.Accumulator is creatively applied to hand-hold washer by the utility model, and to eliminate the pulsation of hand-hold washer in use, the cleaning liquid for spraying hand-hold washer tends towards stability.
Description
Technical field
The utility model relates to environmental technology fields, and in particular to high-pressure cleaning device.
Background technique
Plunger pump working principle is closed swept volume generating period variation, completes water suction and draining.In this way, causing
Its moment flow is pulsation, and there is also pulsation for the rate of discharge of plunger pump.When flow pulsation encounters the resistance of hydraulic plumbing system
Pressure fluctuation is formed when anti-again.
In the prior art, common plunger pump is three-throw ram pump, such plunger pump, and there are three reciprocating parts for tool.In three columns
In plug pump, cleaning liquid is substantially sprayed without obvious pulsation ground.But in the plunger pump of only one or two reciprocating parts
In, the pump housing has apparent periodic pressure and flow pulsation.Pressure fluctuation can generate periodic pressure wave, cause its in the pump housing
The resonance of his element.Pressure fluctuation causes similarly be averaged under output pressure, obviously adds when power consumption is compared to pulse free
Greatly.By taking the plunger pump of only one reciprocating part as an example, similarly it is being averaged under output pressure, is pulsing, have relative to no pressure
Plunger pump power consumption when pressure fluctuation, which about increases, to be twice.
Pressure fluctuation refers to plunger pump output pressure circular wave between trough pressure and wave crest pressure.There is wave crest pressure
Power, the maximum pressure that plunger pump needs to bear are wave crest pressure.By taking the plunger pump of a reciprocating part as an example, similarly average
It under output pressure, pulses relative to no pressure, the maximum pressure for having plunger pump when pressure fluctuation to bear, which about increases, to be twice.Plunger
The maximum pressure increase that pump is born can reduce the service life of plunger pump, meanwhile, can also improve plunger pump design requirement and at
This.It can be seen that pressure fluctuation causes plunger pump power consumption to increase, the service life is reduced.
The patent document that application publication number is CN 108678924A discloses a kind of pump unit and jetting machine, wherein
The jetting machine is handheld cleaning device, and to reduce its weight and volume, the pump unit is with a reciprocating part
The plunger pump of part has apparent periodic pressure and flow pulsation.
Utility model content
The technical issues of the utility model is solved: reduce the pulsation of hand-hold washer reciprocating pump.
In order to solve the above technical problems, the utility model provides the following technical solutions: a kind of cleaning machine equipped with accumulator,
Including pump unit, highly pressurised liquid runner, high pressure spray nozzle, highly pressurised liquid runner connects pump unit and high pressure spray nozzle, the pump
Unit is reciprocating pump, and the accumulator connects highly pressurised liquid runner；The cleaning machine is hand-hold washer.
Common large and medium-sized jetting machine multiple reciprocating parts can be used to eliminate pulsation, still, hand using reciprocating pump
Formula cleaning machine is held, using reciprocating pump, due to the requirement of weight and volume, the quantity of reciprocating part is limited, in this way, using
Pulsation in journey is inevitably generated, for this purpose, accumulator is creatively applied to hand-hold washer by the utility model, with
The pulsation of hand-hold washer in use is eliminated, the cleaning liquid for spraying hand-hold washer tends towards stability.
The reciprocating pump refers to the reciprocating motion using reciprocating part and becomes closed swept volume generating period
Change, complete the pump of water suction and draining, typical reciprocating pump is plunger pump, and the reciprocating part of plunger pump is plunger.Hand-held is clear
The pump unit that washing machine uses is the plunger pump with one or two plunger.
The pulsation refers to obvious periodic pressure and flow pulsation that reciprocating pump generates in operation.
Detailed description of the invention
The utility model is described further with reference to the accompanying drawing:
Fig. 1 is a kind of schematic diagram of cleaning machine first embodiment equipped with accumulator；
Fig. 2 is a kind of schematic diagram of cleaning machine 3rd embodiment equipped with accumulator.
Symbol description in figure:
10, pump unit；101, intake antrum；102, central chamber；103, water chamber；
11, the first check valve；12, second one-way valve；13, plunger；131, plunger body；132, plunger pin；
141, crank；142, pitman shaft；143, connecting rod；15, transmission mechanism；16, motor；
20, highly pressurised liquid runner；21, interface channel；
30, high pressure spray nozzle；
40, accumulator；41, plunger shaft；42, piston；43, elastic component；44, sealing ring；45, gag lever post；
50, regulating valve.
Specific embodiment
First embodiment:
Such as Fig. 1, a kind of cleaning machine equipped with accumulator, which is hand-hold washer, including pump unit 10, high pressure
Flow channel for liquids 20, high pressure spray nozzle 30.
The pump unit 10 is the plunger pump with a plunger, including intake antrum 101, central chamber 102, water chamber 103,
It is equipped with the first check valve 11 between intake antrum and central chamber, second one-way valve 12, water chamber are equipped between central chamber and water chamber
It is connected to the highly pressurised liquid runner 20.Plunger 13 and for drive piston reciprocation move crank link mechanism or eccentric stiffener
It is arranged in the central chamber, as a preference, the mechanism for driving piston reciprocation to move is crank link mechanism.
The crank link mechanism includes the crank 141 being articulated on 102 side wall of central chamber, the pitman shaft connecting with crank
142, head end and pitman shaft are pivotally connected and connecting rod 143 that tail end is flexibly connected with plunger 13.The quantity of crank 141 is two, connection
At the both ends of pitman shaft 142, wherein a crank is connect by transmission mechanism 15 with motor 16.The plunger 13 includes cylindrical
Plunger body 131, the plunger pin 132 being mounted on plunger body, the tail end of the connecting rod 143 are flexibly connected with plunger pin.
It is designed by the structure of above-mentioned pump unit 10, motor 16 drives crank 141, crank handle turns connecting rod by transmission mechanism 15
Axis 142, pitman shaft drive plunger 13 reciprocating in central chamber 102 by connecting rod 143.Plunger uplink, by plunger bottom surface
The vacuum degree in the space constituted with central chamber 102 increases, and the cleaning liquid in intake antrum 101 below centrally located chamber pushes the open
One check valve 11, into central chamber；The pressure of plunger downlink, the space being made of plunger bottom surface and central chamber 102 increases, and closes
First check valve and open the second one-way valve 12, in this way, high-pressure wash liquid in central chamber injects water chamber
103, high pressure spray nozzle 30 is flowed to through the highly pressurised liquid runner 20, is sprayed.Wherein, the intake antrum 101 be mounted on
Water storage container connection on cleaning machine, alternatively, the intake antrum is connected by water pipe and the water source of fixed setting.
The accumulator 40 is arranged on highly pressurised liquid runner 20, and the entity portion of highly pressurised liquid runner is constituted including being arranged in
Plunger shaft 41, the movable piston 42 cooperated in plunger shaft on part, setting offset in the plunger shaft and with piston tail end
Elastic component 43, the gag lever post 45 that is arranged in the plunger shaft 41.As a preference, the elastic component 43 is flexible bullet
Spring.Sealing ring 44 is equipped between piston 42 and the inner sidewall of plunger shaft 41, the head end of elastic component is directly or indirectly pressed on work
The tail end of plug, the tail end of elastic component are pressed on the tail portion of plunger shaft 41, and the tail end of gag lever post is fixed on the tail portion of plunger shaft, first
End protrudes into elastic component 43 and is directed toward the tail end of piston 42, and the tail end of piston 42 can offset with the head end of gag lever post, the head of piston
The highly pressurised liquid runner 20 is protruded at end.
It is designed by the structure of above-mentioned accumulator 40, the high-pressure wash liquid of highly pressurised liquid runner 20 is flowed by water chamber 103,
The head end of piston is applied, piston is retreated along plunger shaft 41, and elastic component 43 is pressurized and gathers elastic potential energy, when piston tail end and limit
When position 45 head end of bar offsets, piston is no longer retreated, and elastic component is no longer pressurized.As high-pressure wash liquid sprays the high-pressure injection
Mouth 30, the cleaning liquid pressure decline in highly pressurised liquid runner.When active force of the cleaning liquid to piston is less than elastic component to work
When the active force of plug, the elastic potential energy of the elastic component gradually discharges, and piston gradually moves ahead, and gos deep into the highly pressurised liquid runner
20, the volume of highly pressurised liquid runner reduces, in pressure increase, the cleaning liquid for spraying high pressure spray nozzle 30 continuous and
Pressure is stablized.After the elastic potential energy of the elastic component discharges completely, the plunger 13 of reciprocating motion is again by high-pressure wash liquid
Water chamber 103 and highly pressurised liquid runner 20 are delivered to by central chamber 102, the pressure in highly pressurised liquid runner increases, the piston
42 are pressurized and retreat, and the pressure in highly pressurised liquid runner is cut down, and elastic component 43 gathers elastic potential energy；When highly pressurised liquid runner
When interior pressure reduces, the elastic potential energy release of the elastic component increases the pressure in highly pressurised liquid runner, repeatedly,
Accumulator 40 when pressure increase, cut down to it simultaneously stored energy, when in highly pressurised liquid runner in highly pressurised liquid runner 20
It when subtracting under pressure, releases energy, makes its pressurization, it is constant with the cleaning liquid pressure for guaranteeing that cleaning machine sprays.The accumulator 40
The ability for eliminating the pulsation of high-pressure wash liquid is limited by the gag lever post 45, limits the design of pole length, can with accumulator
On the basis of elimination high-pressure wash liquid pulsation.
The accumulator 40 can also be metal bellow type accumulator, rubber tubular type accumulator, piston accumulator, gas
Bladder type hydropneumatic accumulator, box type accumulator or diaphragm accumulator.
The metal bellow type accumulator, metal bellows closed at one end are connected to the highly pressurised liquid runner 20,
Compressed spring can be auxiliarily installed inside metal bellows.It is higher than accumulator in the pressure of the highly pressurised liquid runner and sets pressure
When, the overpressure in the highly pressurised liquid runner can be converted into elastic potential energy and deposited by liquid compression metal bellows, bellows
Storage is got up.When the highly pressurised liquid flowpath pressure is lower than accumulator setting pressure, bellows rebound is released stress to the height
Press liquid runner.
The rubber tubular type accumulator, is made of outer tube, rubber inner tube and end cap.Rubber tubular type accumulator both ends are connected to
The highly pressurised liquid runner 20.It is inflated between rubber inner tube and outer tube, the highly pressurised liquid of the highly pressurised liquid runner is from inner tube stream
It crosses.When the pressure of the highly pressurised liquid runner is higher than accumulator setting pressure, between liquid compression rubber inner tube and outer tube
Overpressure in the highly pressurised liquid runner can be converted into elastic potential energy and stored by gas.In the highly pressurised liquid stream
When the pressure in road is lower than accumulator setting pressure, compressed gas pushes rubber inner tube, releases stress to the highly pressurised liquid runner.
The rear portion of the piston accumulator, piston is compressed gas, and front is connected to the highly pressurised liquid runner 20.?
When the highly pressurised liquid flowpath pressure is higher than accumulator setting pressure, fluid pressure promotion piston, the gas at compression piston rear portion,
Store energy；Highly pressurised liquid runner pressure lower than accumulator setting pressure when, compressed gas push piston, release stress to
The highly pressurised liquid runner.
The bladder accumulator is marked with inert gas in air bag, and pressure, which is higher than, in the highly pressurised liquid runner 20 stores
Can device setting pressure when, highly pressurised liquid compressing gasbag, the gas in air bag stores energy by compression；In the highly pressurised liquid stream
When pressure is lower than accumulator setting pressure in road, air bag expansion, accumulator releases energy.
The box type accumulator, high pressure gas are enclosed in rubber bag, rubber bag be in waist shape, can be in axial deformation from
To the effect of spring.Box type accumulator contains rubber bag block and neck column.It is higher than accumulation of energy in 20 pressure of highly pressurised liquid runner
When device sets pressure, highly pressurised liquid passes through neck column and block compressing gasbag, and the gas in air bag stores energy by compression；Institute
When stating in highly pressurised liquid runner pressure lower than accumulator setting pressure, air bag expansion, accumulator releases energy.
The diaphragm accumulator, including shell, diaphragm, seal between diaphragm and shell, and inflation in shell, diaphragm is described in
Liquid in highly pressurised liquid runner 20 is separated with the intracorporal gas of shell.Pressure is set higher than accumulator in the highly pressurised liquid runner
When constant-pressure, highly pressurised liquid compressed septum and the intracorporal gas of shell, gas store energy by compression；In the highly pressurised liquid stream
When the pressure in road is lower than accumulator setting pressure, gas expansion pushes diaphragm, and accumulator releases energy.
Second embodiment:
With reference to Fig. 1, a kind of cleaning machine equipped with accumulator, the cleaning machine is hand-hold washer, including pump unit 10, height
Press liquid runner 20, high pressure spray nozzle 30.
The pump unit 10 is the plunger pump with a plunger, including intake antrum 101, central chamber 102, water chamber 103,
It is equipped with the first check valve 11 between intake antrum and central chamber, second one-way valve 12, water chamber are equipped between central chamber and water chamber
It is connected to the highly pressurised liquid runner 20.Plunger 13 and for drive piston reciprocation move crank link mechanism or eccentric stiffener
It is arranged in the central chamber.
The crank link mechanism includes the crank 141 being articulated on 102 side wall of central chamber, the pitman shaft connecting with crank
142, head end and pitman shaft are pivotally connected and connecting rod 143 that tail end is flexibly connected with plunger 13.The quantity of crank 141 is two, connection
At the both ends of pitman shaft 142, wherein a crank is connect by transmission mechanism 15 with motor 16.The plunger 13 includes cylindrical
Plunger body 131, the plunger pin 132 being mounted on plunger body, the tail end of the connecting rod 143 are flexibly connected with plunger pin.
It is designed by the structure of above-mentioned pump unit 10, motor 16 drives crank 141, crank handle turns connecting rod by transmission mechanism 15
Axis 142, pitman shaft drive plunger 13 reciprocating in central chamber 102 by connecting rod 143.Plunger uplink, by plunger bottom surface
The vacuum degree in the space constituted with central chamber 102 increases, and the cleaning liquid in intake antrum 101 below centrally located chamber pushes the open
One check valve 11, into central chamber；The pressure of plunger downlink, the space being made of plunger bottom surface and central chamber 102 increases, and closes
First check valve and open the second one-way valve 12, in this way, high-pressure wash liquid in central chamber injects water chamber
103, high pressure spray nozzle 30 is flowed to through the highly pressurised liquid runner 20, is sprayed.Wherein, the intake antrum 101 be mounted on
Water storage container connection on cleaning machine, alternatively, the intake antrum is connected by water pipe and the water source of fixed setting.
The accumulator 40 is arranged on highly pressurised liquid runner 20, and the entity portion of highly pressurised liquid runner is constituted including being arranged in
Plunger shaft 41, the movable piston 42 cooperated in plunger shaft on part, setting offset in the plunger shaft and with piston tail end
Elastic component 43, the regulating part that can directly or indirectly offset with piston tail end, the head end of piston protrudes into the highly pressurised liquid stream
Road 20.Sealing ring 44 is equipped between piston 42 and the inner sidewall of plunger shaft 41, the head end of elastic component is directly or indirectly pressed on
The tail end of piston, the tail end of elastic component are pressed on the tail portion of plunger shaft 41, and the regulating part is screwed onto the tail portion of plunger shaft 41,
Front end protrudes into elastic component 43 and is directed toward the tail end of piston 42, and tail end protrudes plunger shaft backward, and operator rotates prominent plunger shaft
Regulating part can limit its along plunger shaft move back and forth amplitude.
It is designed by the structure of above-mentioned accumulator 40, the high-pressure wash liquid of highly pressurised liquid runner 20 is flowed by water chamber 103,
The head end of piston is applied, piston is retreated along plunger shaft 41, and elastic component 43 is pressurized and gathers elastic potential energy.With high-pressure cleaning liquid
Body sprays the high pressure spray nozzle 30, the cleaning liquid pressure decline in highly pressurised liquid runner.When cleaning liquid is to the work of piston
When being firmly less than active force of the elastic component to piston, the elastic potential energy of the elastic component gradually discharges, and piston gradually moves ahead, deeply
The highly pressurised liquid runner 20, the volume of highly pressurised liquid runner reduce, in pressure increase, spray high pressure spray nozzle 30
The continuous and pressure of cleaning liquid is stablized.After the elastic potential energy of the elastic component discharges completely, the plunger 13 of reciprocating motion is again
It is secondary that high-pressure wash liquid is delivered to water chamber 103 and highly pressurised liquid runner 20 by central chamber 102, the pressure in highly pressurised liquid runner
Power increases, and the piston 42 is pressurized and retreats, and the pressure in highly pressurised liquid runner is cut down, and elastic component 43 gathers elastic potential
Energy；When the pressure in highly pressurised liquid runner reduces, the elastic potential energy release of the elastic component makes the pressure in highly pressurised liquid runner
Power increases, and repeatedly, accumulator 40 when pressure increase, cut down to it simultaneously stored energy in highly pressurised liquid runner 20,
It when subtracting under pressure in highly pressurised liquid runner, releases energy, makes its pressurization, it is permanent with the cleaning liquid pressure for guaranteeing that cleaning machine sprays
It is fixed.
In the practice of cleaning machine, for certain special circumstances, the pulsation generated using pump unit 10 is needed.Example
Such as, the localized contamination on cleaning object needs higher pressure that can just remove it, at this point, the adjustable accumulator 40 of operator
Regulating part, make its forward or backward, wherein when regulating part advances, the front end of regulating part and the tail end of piston 42 offset, elastic
The part amplitude that pressure deforms under in highly pressurised liquid runner 20 becomes smaller, and correspondingly, the reciprocation amplitude of piston 42 becomes smaller,
In this way, accumulator 40 is in partially operational state, pulsation cannot be completely eliminated, only reduces the maximum value of pulsation, is increased
The minimum value of pulsation, pulsation maximum value at this time can remove the localized contamination on cleaning object.For another example, cleaning machine inner chamber
The automatically cleaning of room and pipeline needs to rush the dirt on chamber or inner wall of the pipe using the maximum value and minimum value of pulsation
It hits, achievees the purpose that removal.In general, maximum pressure when pulse state should be set greater than or equal to the 120% of average pressure.
Such as above-mentioned special circumstances, the utility model improve accumulator, increase the regulating part, enable accumulator 40
Flexibly switch between work, part work, do not work, expands the scope of application of cleaning machine.Wherein, accumulator 40 does not work,
Refer to piston 42 described in regulating part sinciput, keeps the displacement of piston opposing pistons chamber 41 maximum, the tail flange of piston is by piston
The limitation of chamber front end boss, piston cannot move ahead, at this point, piston is unable to stir any more, be in off position.
3rd embodiment:
Such as Fig. 2, a kind of cleaning machine equipped with accumulator, which is hand-hold washer, including pump unit 10, high pressure
Flow channel for liquids 20, high pressure spray nozzle 30.
The pump unit 10 is the plunger pump with a plunger, including intake antrum 101, central chamber 102, water chamber 103,
It is equipped with the first check valve 11 between intake antrum and central chamber, second one-way valve 12, water chamber are equipped between central chamber and water chamber
It is connected to the highly pressurised liquid runner 20.Plunger 13 and for drive piston reciprocation move crank link mechanism or eccentric stiffener
It is arranged in the central chamber.
The accumulator 40 is mounted in the physical components for constituting highly pressurised liquid runner, highly pressurised liquid runner 20 and accumulator
Between be equipped with a connection channel 21, which is provided in the physical components for constituting highly pressurised liquid runner, and the connection is logical
Road is provided with regulating valve 50.The head end of the regulating valve can extend into the interface channel, and the tail end of regulating valve protrudes outward, and make
To be a kind of preferred, regulating valve 50 is screwed onto the physical components for constituting highly pressurised liquid runner, operator's adjustment regulating valve, that is, optional
Open or close interface channel to selecting property.
Any accumulator in the prior art can be used in the accumulator 40, as a preference, the accumulation of energy of the present embodiment
Device is using the accumulator (as shown in Figure 2) in the utility model first embodiment or the accumulator in second embodiment.
By above-mentioned design, when the regulating valve 50 opens interface channel 21, the high-pressure cleaning liquid that is flowed out by water chamber 103
Body flows into highly pressurised liquid runner 20, the high-pressure cleaning liquid body in highly pressurised liquid runner can through the interface channel and and accumulation of energy
Device 40 interacts, and removes the pulsation of highly pressurised liquid, and the cleaning liquid pressure for guaranteeing that cleaning machine sprays is constant.
When the regulating valve 50 closes interface channel 21, the high-pressure wash liquid in highly pressurised liquid runner 20 can not be with accumulation of energy
Device 40 interacts, and accumulator is in off position, and cleaning machine described in the utility model is equivalent to a common hand-held cleaning
The pulsation of machine, high-pressure wash liquid can apply to certain special circumstances.For example, the pulsation maximum value of pump unit 10 can be gone
Except the localized contamination on cleaning object；For another example, the automatically cleaning of cleaning machine internal chamber and pipeline needs the maximum value using pulsation
The dirt on chamber or inner wall of the pipe is impacted with minimum value, achievees the purpose that removal.In general, maximum when pulse state
Pressure should be set greater than or equal to the 120% of average pressure.
Such as above-mentioned special circumstances, the utility model improve accumulator, increase the regulating valve, make accumulation of energy
Device can flexibly switch between working, not working, expand the scope of application of cleaning machine.
Claims (8)
1. a kind of cleaning machine equipped with accumulator, including pump unit (10), highly pressurised liquid runner (20), high pressure spray nozzle (30),
Highly pressurised liquid runner connects pump unit and high pressure spray nozzle, and the pump unit is reciprocating pump, and accumulator (40) connection is high
Press liquid runner；It is characterized by: the cleaning machine is hand-hold washer.
2. a kind of cleaning machine equipped with accumulator as described in claim 1, it is characterised in that: the pump unit (10) be with
The plunger pump of one or two plunger.
3. a kind of cleaning machine equipped with accumulator as claimed in claim 2, it is characterised in that: the pump unit (10) include into
Water cavity (101), central chamber (102), water chamber (103) are equipped with the first check valve (11) between intake antrum and central chamber, central chamber
Second one-way valve (12) are equipped between water chamber, water chamber is connected to the highly pressurised liquid runner (20)；Plunger (13) and use
It is arranged in the central chamber in the driving unit of driving piston reciprocation movement, the driving unit is for crank link mechanism or partially
Concentric mechanism.
4. a kind of cleaning machine equipped with accumulator as described in claim 1, it is characterised in that: the accumulator (40) includes setting
It sets the plunger shaft (41) in the physical components for constituting highly pressurised liquid runner, the movable piston (42) cooperated in plunger shaft, set
The elastic component (43) set in the plunger shaft and offseted with the piston, the piston can partially protrude into the highly pressurised liquid
Runner (20).
5. a kind of cleaning machine equipped with accumulator as claimed in claim 4, it is characterised in that: be equipped in the plunger shaft (41)
Gag lever post (45), the tail end of gag lever post are fixed on the tail portion of plunger shaft, and the tail end of piston (42) can be with the head end phase of gag lever post
It supports.
6. a kind of cleaning machine equipped with accumulator as claimed in claim 4, it is characterised in that: the accumulator (40), which is equipped with, adjusts
Part is saved, head end and the piston (42) of elastic component (43) offset, and the regulating part protrudes into the elastic component, and can be with the tail end of piston
Directly or indirectly offset.
7. a kind of cleaning machine equipped with accumulator as described in claim 1, it is characterised in that: highly pressurised liquid runner (20) and storage
It can be equipped with a connection channel between device, which is equipped with regulating valve, and the regulating valve can open or close the company
Connect road.
8. a kind of cleaning machine equipped with accumulator as described in claim 1, it is characterised in that: the accumulator (40) is metal
Bellows-type accumulator, rubber tubular type accumulator, piston accumulator, bladder accumulator, box type accumulator or diaphragm type store
It can device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822243665.1U CN209406949U (en) | 2018-12-29 | 2018-12-29 | A kind of cleaning machine equipped with accumulator |
| PCT/CN2019/117196 WO2020134652A1 (en) | 2018-12-29 | 2019-11-11 | Cleaning machine provided with energy accumulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822243665.1U CN209406949U (en) | 2018-12-29 | 2018-12-29 | A kind of cleaning machine equipped with accumulator |
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| Publication Number | Publication Date |
|---|---|
| CN209406949U true CN209406949U (en) | 2019-09-20 |
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ID=67941610
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822243665.1U Active CN209406949U (en) | 2018-12-29 | 2018-12-29 | A kind of cleaning machine equipped with accumulator |
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| CN (1) | CN209406949U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020134652A1 (en) * | 2018-12-29 | 2020-07-02 | 苏州小科清洁科技有限公司 | Cleaning machine provided with energy accumulator |
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2018
- 2018-12-29 CN CN201822243665.1U patent/CN209406949U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020134652A1 (en) * | 2018-12-29 | 2020-07-02 | 苏州小科清洁科技有限公司 | Cleaning machine provided with energy accumulator |
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