CN110107495A - A kind of handheld portable cleaning machine with the cold pump of biliquid - Google Patents
A kind of handheld portable cleaning machine with the cold pump of biliquid Download PDFInfo
- Publication number
- CN110107495A CN110107495A CN201910353083.5A CN201910353083A CN110107495A CN 110107495 A CN110107495 A CN 110107495A CN 201910353083 A CN201910353083 A CN 201910353083A CN 110107495 A CN110107495 A CN 110107495A
- Authority
- CN
- China
- Prior art keywords
- pump
- motor
- handheld portable
- cleaning machine
- biliquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/026—Cleaning by making use of hand-held spray guns; Fluid preparations therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/122—Details or component parts, e.g. valves, sealings or lubrication means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/08—Cooling; Heating; Preventing freezing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The present invention discloses a kind of handheld portable cleaning machine with the cold pump of biliquid, comprising: the pump being driven by motor, pump have pump water inlet mouth and high-pressure outlet；Shell, shell sealed envelope pump and motor；Pump includes: at least one plunger；Swash plate, swash plate by motor driving and drive plunger to move along a straight line；Pump case, pump case have a seal chamber, and seal chamber accommodates plunger, swash plate and lubricating and cooling agent；Pump case is equipped with the water outlet of at least one cooling duct, the water inlet of a connection cooling duct one end and a connection cooling duct other end, and water inlet connects external water source, and water outlet connects pump water inlet mouth.The invention has the benefit that it is cooling to increase flows outside water while pumping internal coolant cooling, realize the dual liquid cooling of the combination of inner and outside, circulation and acyclic combination, the cooling problem of the pump housing is set to be solved, the service life of pump greatly improves, furthermore the case where scald is caused to human body in use process is also avoided, it is safer to use.
Description
Technical field
The invention belongs to hand-hold washer technical fields, and in particular to a kind of handheld portable with the cold pump of biliquid is clear
Washing machine.
Background technique
Jetting machine is a kind of using water or the mixed liquor added with cleaning agent is cleansing medium, is realized using high pressure water flow
The equipment of body surface cleaning, jetting machine can be used to clean automobile, garden, ground, railing, door and window etc., use compared with
Be it is efficient and conveniently, mainly composition has a spray gun and host, and host includes motor, pump and battery or circumscripted power line, spray gun and
Connected between host by water inlet pipe, spray gun is responsible for forming water flow of different shapes according to actual needs, and host be responsible for by water from
High pressure water flow is converted into municipal tap water or bucket to be delivered in spray gun, it is common for host fixed placement or can on the ground
Mobile to place, host volume is larger, heavier-weight, and use process is worked by spray gun, and use scope is subject to certain restrictions,
Operating, there are still many inconvenient places.
Hand-hold washer or Handheld high-voltage cleaning machine can be directly connected to external water source by water pipe, hold with a hand machine
Device carries out washing and cleaning operation, and mobile convenience is effectively solved.But further research and actual use discovery, due to motor, pump
It is all wrapped in lesser casing, casing is closer from human body, and in use, mechanical part, which runs at high speed, directly results in electricity
Machine and pump generate a large amount of heat, and motor and pump body temperature is caused sharply to increase, and it is often to cause machinery that component temperature rise is excessively high
The principal element of moving component failure etc., and high temperature can also be easy scald human body, therefore how reduce the temperature of motor and pump
As the problem that must be solved, motor is forced to cool down often through fan blade, and fan blade takes the heat that motor generates outside casing to
Space, the best solution of the cooling prior art for pump are exactly to obtain the temperature of pump in the intracavitary addition coolant liquid of pump plunger
To certain control, but since coolant liquid is present in sealing space and acyclic flowing, as heat gathers coolant temperature
Still it will continue to rise, the temperature of pump is difficult to effectively control.
It can be seen that pump should also be as obtaining more effectively cooling to which promotion makes other than needing to cool down motor
With the service life of Experience Degree and mechanical part in the process.
Summary of the invention
It is an object of the invention to overcome deficiency in the prior art, a kind of handheld portable with the cold pump of biliquid is provided
Cleaning machine can further increase the cooling capacity of pump, thus the Experience Degree of the service life of lifting component and user.
To solve prior art problem, the invention discloses a kind of handheld portable cleaning machine with the cold pump of biliquid, packets
It includes:
The pump being driven by motor, pump have pump water inlet mouth and high-pressure outlet；
Shell, shell accommodate pump and motor；
Pump includes:
At least one plunger；
Swash plate, swash plate by motor driving and drive plunger to move along a straight line；
Pump case, pump case have a seal chamber, and seal chamber accommodates plunger, swash plate and lubricating and cooling agent；
It is another that pump case is equipped at least one cooling duct, the water inlet of a connection cooling duct one end and a connection cooling duct
The water outlet at end, water inlet connect external water source, and water outlet connects pump water inlet mouth.
Further, pump case is equipped with end cap close to one end of motor, and end cap is connected to motor.
Further, pump case includes front and back connection to form the pump head and pump case of seal chamber, cooling duct, water inlet and
Water outlet is set on pump case.
Further, pump case is equipped with end cap close to one end of motor, and end cap is connected to motor.
Further, deceleration mechanism is equipped between pump and motor, deceleration mechanism is set in end cap.
Further, deceleration mechanism is planetary gear reducing mechanism.
Further, water inlet is located at the proximal location apart from motor, and water outlet is located at the remote location away from motor；
When cooling duct extends along the axis direction for being parallel to pump case, cooling duct outer surface extends to pump case equipped with several
The thermally conductive muscle I of external surface；When cooling duct extends along the circumferencial direction of pump case, cooling duct outer surface is equipped with several prolong
Extend to the thermally conductive muscle II of pump case external surface.
Further, shell has the receiving portion and hand-held part of integrally connected, and pump and motor are set in receiving portion, hand-held part
It tilts and extends along the direction away from receiving portion, hand-held part is equipped with power switch.
Further, handheld portable jetting machine further includes battery pack, and the voltage rating of battery pack is 18~60V；
Battery pack is set in hand-held part or is separably set in the anti-sump of hand-held part end, and anti-sump is equipped with waterproof warehouse lid.
Further, handheld portable jetting machine further includes battery pack, and the voltage rating of battery pack is 18~60V；
The plug connection of the end part seal of battery pack and hand-held part.
Further, motor is rare earth permanent magnet brushless motor.
Further, shell is the shell being fully sealed, and waterproofing grade reaches IPX7, and handheld portable cleaning machine is hand
Portable high pressure cleaner is held, the maximum working pressure (MWP) of pump is not less than 2.5Mpa.
Further, the weight of handheld portable jetting machine is no more than 4.2kg.
The invention has the benefit that increasing the cooling of flows outside water while pumping internal coolant cooling, realize
The combination of inner and outside, circulation and acyclic combination dual liquid cooling, so that the cooling problem of the pump housing is solved, the service life of pump mentions significantly
Furthermore height also avoids the case where causing scald to human body in use process, it is safer to use.
Detailed description of the invention
Fig. 1 is the structural front view of a preferred embodiment of the invention；
Fig. 2 is the structural front view of motor pump unit in embodiment illustrated in fig. 1；
Fig. 3 is the structural perspective of motor pump unit in embodiment illustrated in fig. 1；
Fig. 4 is the structural perspective of pump case in embodiment illustrated in fig. 1；
Fig. 5 is the structural perspective of pump case in the substitution body of embodiment illustrated in fig. 1.
Appended drawing reference:
1 high-pressure outlet；2 pump heads；3 pump cases；4 end caps；5 motors；6 water inlets；7 cooling ducts；8 water outlets；9 connectors；10 connect
Adapter tube；11 pump water inlet mouths；12 seal chambers；13 plungers；14 swash plates；15 thermally conductive muscle I；16 hand-held parts；17 battery packs；18 power supplys are opened
It closes；19 water inlet pipes；20 shells；21 spray guns；22 handheld portable jetting machines；23 pumps；24 deceleration mechanisms；25 waterproof warehouse lids；
26 pump cases；27 receiving portions；28 anti-sump；29 thermally conductive muscle II；Direction indicated by arrow is water (flow) direction in figure.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and not intended to limit the protection scope of the present invention.
As shown in Fig. 1 to 5, a kind of handheld portable cleaning machine 22 with the cold pump of biliquid, comprising: shell 20, electric-motor pump
Unit and spray gun 21, motor pump unit include motor 5 and the pump 23 that is driven by motor 5, and pump 23 has pump water inlet mouth 11 and high pressure
Water outlet 1；High-pressure outlet 1 connects spray gun 21.Shell 20 accommodates pump 23 and motor 5.
Pump 23 includes at least one plunger 13, a swash plate 14 and a pump case 26.Plunger 1 moves along a straight line in plunger cavity,
The disk sliding contact of its one end in seal chamber 12 and swash plate 14, swash plate 14 by motor 5 driving and drive 13 edge of plunger
Linear motion, it is rear to reset to realize reciprocating motion under the action of the spring again.Pump case 26 has a seal chamber 12, seal chamber 12
Accommodate plunger 13, swash plate 14 and lubricating and cooling agent.
The water inlet 6 that pump case 26 is equipped at least one cooling duct 7, one connection 7 one end of cooling duct is connected to cold with one
But the water outlet 8 of 7 other end of channel, water inlet 6 connect external water source by water inlet pipe 19, and water outlet 8 is connected by connecting tube 10
Connect pump water inlet mouth 11.Water flow enters in cooling duct 7 by water inlet pipe 19, and pump 23 is in the process of running due to internal mechanical part
The heat for operating and generating can be conducted by lubricating and cooling agent to pump case 26, then conducted again to cooling duct 7, finally
The cooling water flowed in it is taken away, and realizes the heat dissipation of higher efficiency.
As typical connection type, pump case 14 is equipped with end cap 4 close to one end of motor 5, and end cap 4 is connect with motor 5,
Being fixedly connected between pump 23 and motor 5 is realized by end cap 4.Since connector is bolt or screw, it can be convenient two
The separation of person.
As an alternative of above-mentioned connection type, pump case 26 includes that front and back is connected to form the pump head of seal chamber 12
2 and pump case 3, cooling duct 7, water inlet 6 and water outlet 8 are set on pump case 3.Pump case 3 is equipped with end cap close to one end of motor 5
4, end cap 4 is connect with motor 5.The connection of pump 23 with motor 5 can not only be facilitated, but also in this way convenient for the peace of 23 inner parts of pump
Dress, i.e., the various valves of installation and plunger 13 in pump head 2, pump case 3 is interior to install swash plate 14.
In order to improve the operating pressure of pump 23, therefore the torque of the output of motor 5 can be improved.Specifically, pump 23 and motor 5
Between be equipped with deceleration mechanism 24, end cap 4 is therefore cylindrical-shaped structure has an accommodating chamber, and deceleration mechanism 24 is set to the receipts of end cap 4
In cavity.Deceleration mechanism 24 is planetary gear reducing mechanism.
Water inlet 6 is located at the proximal location apart from motor 5, and water outlet 8 is located at the remote location away from motor 5.Such as Fig. 4 institute
Show, when cooling duct 19 along be parallel to pump case 26 axis direction extend when, in order to preferably by the heat of pump case 3 conduct to
When on cooling duct 19,7 outer surface of cooling duct is equipped with several circumferentially extending thermally conductive muscle to 26 outer surface of pump case
I15.When cooling duct 19 extends along the circumferencial direction of pump case 26,7 outer surface of cooling duct is equipped with several axially extend
To the thermally conductive muscle II29 of 26 outer surface of pump case.Can also have the cooling duct 19 there are two types of extending direction on pump case 3 simultaneously, such as scheme
Shown in 5, circumferentially extending cooling duct 19 is set to one end of the close motor 5 of pump case 3, is substantially set to the end end
Annular groove on face is sealed by end cap 4 to form the cooling that Cooling Water flows inside it when the end is connect with end cap 4
Channel 19.The cooling duct 19 axially extended can be connected to circumferentially extending cooling duct 19 and water outlet 8.
Shell 20 has the receiving portion 27 and hand-held part 16 of integrally connected, and pump 5 and motor 5 are set in receiving portion 3, hand-held part
16 tilt extension along the direction away from receiving portion 3, and hand-held part 16 is equipped with power switch 18.Power switch 18 is connected to power supply electricity
The start-up and shut-down control of complete machine is realized in road.
In order to improve the application range of cleaning machine, reduction External cable, self-powered mode is can be used in cleaning machine, specifically,
Hand-held jetting machine 22 further includes battery pack 17, and the voltage rating of battery pack 17 is 18~60V；Battery pack 17 is set to hand-held part
In 16 or separably in the anti-sump 28 of 16 end of hand-held part, anti-sump 28 is equipped with waterproof warehouse lid 25.Waterproof warehouse lid 25
Slidingtype mode can be taken to realize the folding of anti-sump 28, articulated manner can also be taken to realize the folding of anti-sump 28, with
Convenient for the pick-and-place of battery pack 17.As an alternative, the end part seal of battery pack 17 and hand-held part 16, which plugs, connects, specifically,
Hand-held part 16 is equipped with contact, and 17 corresponding position of battery pack also is provided with contact, and after 17 grafting in place of battery pack, the contact of the two is connected
Complete current supply circuit is formed, while meeting waterproof requirement.
Motor 5 is rare earth permanent magnet brushless motor, and brushless motor has stronger power, is able to ascend the work pressure of pump 23
Power.
When motor 5 is non-ventilated machine, any inlet and outlet is not needed on shell 20, shell 20 can be made into completely close
Envelope, waterproofing grade reach the requirement of hand-held jetting machine IPX7, and the maximum working pressure (MWP) for pumping 23 is not less than 2.5Mpa, thus
Reach stronger cleaning ability, and accomplishes mute.
In order to reduce the hand-held feeling of fatigue used, the weight of handheld portable jetting machine 22 is no more than 4.2kg, preferably
The weight on ground, handheld portable jetting machine 22 is no more than 3kg.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (13)
1. a kind of handheld portable cleaning machine (22) with the cold pump of biliquid, comprising:
The pump (23) driven by motor (5), the pump (23) have pump water inlet mouth (11) and high-pressure outlet (1)；
Shell (20), the shell (20) accommodate the pump (23) and the motor (5)；
The pump (23) includes:
At least one plunger (13)；
Swash plate (14), the swash plate (14) by the motor (5) driving and drive the plunger (13) to move along a straight line；
Pump case (26), the pump case (26) have a seal chamber (12), the seal chamber (12) accommodate the plunger (13),
The swash plate (14) and lubricating and cooling agent；It is characterized in that,
The pump case (26) is equipped with the water inlet of at least one cooling duct (7), connection cooling duct (7) one end
(6) be connected to the water outlet (8) of the cooling duct (7) other end with one, the water inlet (6) connects external water source, it is described go out
The mouth of a river (8) connects the pump water inlet mouth (11).
2. a kind of handheld portable cleaning machine (22) with the cold pump of biliquid according to claim 1, it is characterised in that: described
Pump case (26) is equipped with end cap (4) close to the one end of the motor (5), and the end cap (4) connect with the motor (5).
3. a kind of handheld portable cleaning machine (22) with the cold pump of biliquid according to claim 1, it is characterised in that: described
Pump case (26) includes front and back connection to form the pump head (2) and pump case (3) of the seal chamber (12), the cooling duct (7),
Water inlet (6) and water outlet (8) are set on the pump case (3).
4. a kind of handheld portable cleaning machine (22) with the cold pump of biliquid according to claim 3, it is characterised in that: described
Pump case (3) is equipped with end cap (4) close to the one end of the motor (5), and the end cap (4) connect with the motor (5).
5. according to a kind of handheld portable cleaning machine (22) with the cold pump of biliquid of claim 2 or 4, it is characterised in that:
Deceleration mechanism (24) are equipped between pump (23) and the motor (5), the deceleration mechanism (24) is set to the end cap (4)
It is interior.
6. a kind of handheld portable cleaning machine (22) with the cold pump of biliquid according to claim 5, it is characterised in that: described
Deceleration mechanism (24) is planetary gear reducing mechanism.
7. feature exists according to claim 1 to a kind of 4 any handheld portable cleaning machines (22) with the cold pump of biliquid
In: the water inlet (6) is located at the proximal location apart from the motor (5), and the water outlet (8) is located at away from the motor (5)
Remote location；
When the cooling duct (19) extend along the axis direction for being parallel to the pump case (26), the cooling duct (7)
Outer surface is equipped with several thermally conductive muscle I(15 for extending to the pump case (26) outer surface)；When the cooling duct (19) are along institute
When stating the circumferencial direction extension of pump case (26), cooling duct (7) outer surface extends to the pump case equipped with several
(26) the thermally conductive muscle II(29 of outer surface).
8. a kind of handheld portable cleaning machine (22) with the cold pump of biliquid according to claim 1, it is characterised in that: described
Shell (20) has the receiving portion (27) and hand-held part (16) of integrally connected, and the pump (5) and the motor (5) are set to the receipts
In appearance portion (3), the hand-held part (16) tilts along the direction away from the receiving portion (3) to be extended, and is set on the hand-held part (16)
There are power switch (18).
9. a kind of handheld portable cleaning machine (22) with the cold pump of biliquid according to claim 8, it is characterised in that: described
Handheld portable jetting machine (22) further includes battery pack (17), and the voltage rating of the battery pack (17) is 18~60V；Institute
State the anti-sump (28) that battery pack (17) are set to the hand-held part (16) end in the hand-held part (16) or separably
Interior, the anti-sump (28) is equipped with waterproof warehouse lid (25).
10. a kind of handheld portable cleaning machine (22) with the cold pump of biliquid according to claim 8, it is characterised in that: institute
Stating handheld portable jetting machine (22) further includes battery pack (17), and the voltage rating of the battery pack (17) is 18~60V；
The end part seal of the battery pack (17) and the hand-held part (16), which plugs, to be connected.
11. a kind of handheld portable cleaning machine (22) with the cold pump of biliquid according to claim 1, it is characterised in that: institute
Stating motor (5) is rare earth permanent magnet brushless motor.
12. a kind of handheld portable cleaning machine (22) with the cold pump of biliquid according to claim 1, it is characterised in that: institute
Stating shell (20) is the shell being fully sealed, and waterproofing grade reaches IPX7, and the handheld portable cleaning machine (22) is hand-held
The maximum working pressure (MWP) of Portable high pressure cleaner, the pump (23) is not less than 2.5Mpa.
13. a kind of handheld portable cleaning machine (22) with the cold pump of biliquid according to claim 1, it is characterised in that: institute
The weight for stating handheld portable jetting machine is no more than 4.2kg.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910353083.5A CN110107495B (en) | 2019-04-29 | 2019-04-29 | Handheld portable cleaning machine with two liquid-cooled pumps |
| PCT/CN2019/099765 WO2020220505A1 (en) | 2019-04-29 | 2019-08-08 | Handheld portable cleaning machine having dual liquid-cooled pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910353083.5A CN110107495B (en) | 2019-04-29 | 2019-04-29 | Handheld portable cleaning machine with two liquid-cooled pumps |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110107495A true CN110107495A (en) | 2019-08-09 |
| CN110107495B CN110107495B (en) | 2020-10-13 |
Family
ID=67487350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910353083.5A Active CN110107495B (en) | 2019-04-29 | 2019-04-29 | Handheld portable cleaning machine with two liquid-cooled pumps |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110107495B (en) |
| WO (1) | WO2020220505A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111336101A (en) * | 2020-03-19 | 2020-06-26 | 苏州贝米科技有限公司 | Fluid supercharging device, application thereof and liquid supercharging system |
| WO2021109758A1 (en) * | 2019-12-06 | 2021-06-10 | 苏州宝时得电动工具有限公司 | Main machine assembly of cleaning machine and cleaning machine with same |
| CN113790138A (en) * | 2021-07-30 | 2021-12-14 | 温州鸿向环保科技有限公司 | Cleaning machine |
| WO2022171512A1 (en) | 2021-02-12 | 2022-08-18 | Kolektor Group D.O.O. | Hand-operated pressure fluid device |
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| US20090045271A1 (en) * | 2005-11-16 | 2009-02-19 | Faip North America, Inc. | Handheld electric pressure washer |
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| CN108787554B (en) * | 2017-05-04 | 2024-01-05 | 苏州宝时得电动工具有限公司 | Hand-held high-pressure cleaning machine |
| CN208128044U (en) * | 2017-12-15 | 2018-11-20 | 浙江新昌别克跃电动工具有限公司 | A kind of jetting machine using water-cooled machine |
| CN110052342B (en) * | 2019-04-29 | 2020-09-18 | 江苏苏美达五金工具有限公司 | Waterproof charging type amphibious high-pressure cleaning machine |
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- 2019-08-08 WO PCT/CN2019/099765 patent/WO2020220505A1/en active Application Filing
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| US5785506A (en) * | 1994-12-21 | 1998-07-28 | Ahresty Corporation | Liquid feeding pump |
| CN2860634Y (en) * | 2006-03-15 | 2007-01-24 | 钱江集团浙江亿江机电有限公司 | High pressure cleaning machine |
| CN207166263U (en) * | 2017-07-07 | 2018-03-30 | 南京苏美达动力产品有限公司 | One kind is used for jetting machine water cooled machine pump unit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021109758A1 (en) * | 2019-12-06 | 2021-06-10 | 苏州宝时得电动工具有限公司 | Main machine assembly of cleaning machine and cleaning machine with same |
| CN111336101A (en) * | 2020-03-19 | 2020-06-26 | 苏州贝米科技有限公司 | Fluid supercharging device, application thereof and liquid supercharging system |
| WO2022171512A1 (en) | 2021-02-12 | 2022-08-18 | Kolektor Group D.O.O. | Hand-operated pressure fluid device |
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| CN113790138A (en) * | 2021-07-30 | 2021-12-14 | 温州鸿向环保科技有限公司 | Cleaning machine |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020220505A1 (en) | 2020-11-05 |
| CN110107495B (en) | 2020-10-13 |
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