WO2021082909A1 - Machine à laver à haute pression portative et machine à laver - Google Patents

Machine à laver à haute pression portative et machine à laver Download PDF

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Publication number
WO2021082909A1
WO2021082909A1 PCT/CN2020/120652 CN2020120652W WO2021082909A1 WO 2021082909 A1 WO2021082909 A1 WO 2021082909A1 CN 2020120652 W CN2020120652 W CN 2020120652W WO 2021082909 A1 WO2021082909 A1 WO 2021082909A1
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WO
WIPO (PCT)
Prior art keywords
triangular rotor
end cover
eccentric shaft
water
pump body
Prior art date
Application number
PCT/CN2020/120652
Other languages
English (en)
Chinese (zh)
Inventor
赵凤丽
李敏行
Original Assignee
苏州宝时得电动工具有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 苏州宝时得电动工具有限公司 filed Critical 苏州宝时得电动工具有限公司
Publication of WO2021082909A1 publication Critical patent/WO2021082909A1/fr

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    • 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

Definitions

  • the utility model relates to the technical field of cleaning, in particular to a handheld high-pressure cleaning machine and a cleaning machine.
  • the pump body structure of the cleaning machine generally adopts a three-plunger structure or a single-plunger structure. Due to the structural characteristics of the plunger pump, the output flow in a small volume is limited, and the power density (that is, the volume-to-power ratio) is low, which cannot be satisfied. Users demand light weight, miniaturization and high performance for hand-held washing machines.
  • the utility model aims to solve at least one of the technical problems existing in the prior art. For this reason, one purpose of the present invention is to provide a handheld high-pressure cleaner, which can realize the requirements of light weight, miniaturization and high performance of the pump body, and can also improve the cleaning efficiency of the cleaner.
  • the utility model further proposes a washing machine.
  • the hand-held high-pressure cleaner includes a housing, the housing includes a handle for holding, the housing is in the shape of a hand-held gun, and the housing further includes a connection port for connecting to the outside Water source; motor, the motor is arranged in the housing; the pump body is arranged in the housing, the pump body is a triangular rotor pump, the pump body includes a cylinder and a triangle rotating in the cylinder A rotor and an eccentric shaft connected to the triangular rotor in transmission, and the eccentric shaft is driven to rotate by the motor; the cylinder includes a side wall and a front end cover and a rear end cover provided at both ends of the side wall.
  • the wall, the front end cover and the rear end cover jointly enclose a containing cavity
  • the triangular rotor is located in the containing cavity
  • the triangular rotor includes three side walls, each of the side walls and the containing cavity
  • a high-pressure cavity is formed between the inner walls of the pump, and the triangular rotor is driven by the eccentric shaft to make an eccentric rotation movement in the containing cavity to alternately release and squeeze the high-pressure cavity
  • the pump body also includes separate The water inlet and the water outlet are arranged on the side wall, and the water inlet and the water outlet are alternately communicated with the high pressure chamber during the rotation of the triangular rotor.
  • the pump body can be reduced in weight, miniaturization, and high performance requirements, and can meet the needs of users for lightweight, miniaturization, and high performance of the cleaning machine.
  • the liquid output flow of the washing machine can also be increased, and the cleaning efficiency of the washing machine can be improved.
  • the eccentric shaft penetrates the front end cover and the rear end cover, the triangular rotor is sleeved on the eccentric shaft, and there is provided between the triangular rotor and the eccentric shaft Connect the bearing.
  • the triangular rotor is provided with an inner gear ring, and one of the front end cover and the rear end cover is provided with a gear meshing with the inner gear ring.
  • support bearings are provided between the eccentric shaft and the front end cover, and between the eccentric shaft and the rear end cover.
  • the hand-held high-pressure cleaning machine further includes: a water distribution channel portion, the water distribution channel portion is arranged in the housing, the water distribution channel portion is located in front of the pump body On the other hand, the water distribution channel portion has a water inlet channel and a water outlet channel, the water inlet channel is in communication with the water inlet, and the water outlet channel is in communication with the water outlet.
  • one-way valves are arranged in the water inlet channel and the water outlet channel.
  • the speed range of the triangular rotor is 300-400 r/min.
  • the cleaning machine includes: a housing; a motor, the motor is arranged in the housing; a pump body, which is arranged in the housing, the pump body is a triangular rotor pump, and the pump body includes a cylinder block And a triangular rotor rotating in the cylinder and an eccentric shaft connected to the triangular rotor, the eccentric shaft being driven to rotate by the motor;
  • the cylinder includes a side wall and a side wall arranged at both ends of the side wall The front end cover and the rear end cover, the side walls, the front end cover and the rear end cover jointly enclose a containing cavity, the triangular rotor is located in the containing cavity, the triangular rotor includes three side walls, each A high pressure cavity is formed between each of the side walls and the inner wall of the accommodating cavity, and the triangular rotor is driven by the eccentric shaft to make an eccentric rotation movement in the accommodating cavity to alternately release and squeeze the High-pressure cavity;
  • the pump body also includes a water inlet and
  • the eccentric shaft penetrates the front end cover and the rear end cover, the triangular rotor is sleeved on the eccentric shaft, and there is provided between the triangular rotor and the eccentric shaft Connect the bearing.
  • support bearings are provided between the eccentric shaft and the front end cover, and between the eccentric shaft and the rear end cover.
  • Figure 1 is a cross-sectional view of a washing machine according to an embodiment of the present utility model
  • Figure 2 is a schematic diagram of a motor, a pump body and a water distribution channel of a washing machine according to an embodiment of the present utility model
  • Figure 3 is a cross-sectional view of the motor, pump body and water distribution channel of the washing machine according to an embodiment of the present utility model
  • Figure 4 is a schematic diagram of a pump body of a washing machine according to an embodiment of the present utility model
  • Figure 5 is a cross-sectional view at A-A in Figure 4.
  • Figure 6 is a cross-sectional view at B-B in Figure 4.
  • Figure 7 is a cross-sectional view at C-C in Figure 4.
  • Figure 8 is a cross-sectional view at D-D in Figure 4.
  • Figure 9 is a cross-sectional view of the pump body of the washing machine according to an embodiment of the present utility model
  • Fig. 10 is a sectional view from another angle of the pump body of the washing machine according to the embodiment of the present invention.
  • Cylinder body 31 side wall 311; front end cover 312; rear end cover 313; water inlet 314; water outlet 315; accommodating cavity 316;
  • Eccentric shaft 33 connecting bearing 34; inner gear ring 35; gear 36; support bearing 37;
  • Water distribution channel part 4 water inlet channel 41; water outlet channel 42; low-pressure water inlet 43; high-pressure water outlet 44;
  • FIGS. 1-10 a handheld high-pressure cleaner 10 according to an embodiment of the present invention will be described with reference to FIGS. 1-10.
  • the handheld high-pressure cleaner 10 includes: a housing 1, a motor 2, a pump body 3, a water distribution channel part 4, a water inlet pipe 5 and a water outlet pipe 6.
  • the housing 1 may include a handle 11 for holding.
  • the housing 1 is in the shape of a hand-held gun.
  • the housing 1 may also include a connection port for connecting an external water source. It should be noted that the water inlet pipe 5 passes through the connection port. It is connected to the water inlet channel 41.
  • the motor 2 is arranged in the housing 1.
  • the motor 2 is preferably a small brushless motor 2, and the rotation speed of the motor 2 is 1000-2000 r/min.
  • the hand-held high-pressure cleaner 10 may also include: a reduction mechanism 9, which may be a reduction box 9, which may be connected between the motor 2 and the pump body 3, and the reduction ratio of the reduction box 9 is about 15, for example: The reduction ratio of the reduction box 9 is 15.
  • the pump body 3 is arranged in the housing 1.
  • the pump body 3 is a triangular rotor 32 pump.
  • the pump body 3 includes a cylinder 31 and a triangular rotor 32 rotating in the cylinder 31.
  • the pump body 3 also includes a drive connected to the triangular rotor 32.
  • the eccentric shaft 33 is driven to rotate by the motor 2.
  • the cylinder body 31 includes a side wall 311 and a front end cover 312 and a rear end cover 313 arranged at both ends of the side wall 311.
  • the side wall 311, the front end cover 312 and the rear end cover 313 jointly enclose a accommodating cavity 316, and the triangular rotor 32 is located in the accommodating cavity 316 Inside, the triangular rotor 32 includes three side walls.
  • a high pressure cavity is formed between each side wall and the inner wall of the containing cavity 316.
  • the triangular rotor 32 is driven by the eccentric shaft 33 to make an eccentric rotation movement in the containing cavity 316.
  • the triangular rotor 32 can alternately release and squeeze the high-pressure cavity.
  • the pump body 3 also includes a water inlet 314 and a water outlet 315 respectively arranged on the side wall 311. During the rotation of the triangular rotor 32, the water inlet 314 and the water outlet 315 alternately communicate with the high-pressure cavity During the rotation of the triangular rotor 32, this configuration can change the volume of the high-pressure chamber. Liquid can be sucked into the containing cavity 316 from the water inlet 314, or liquid in the containing cavity 316 can be discharged from the containing cavity 316 through the water outlet 315.
  • the pump body 3 is located at the rear side of the motor 2, the pump body 3 and the motor 2 are connected by a speed reduction mechanism 9, the water inlet pipe 5 is connected with the water inlet 314, and the water outlet pipe 6 is connected with the water outlet 315.
  • the water distribution channel portion 4 is arranged in the casing 1, and the water distribution channel portion 4 is located on the front side of the pump body 3.
  • the water distribution channel portion 4 has an inlet flow channel 41 and an outlet flow channel 42.
  • the water inlet flow channel 41 is in communication with the water inlet 314,
  • the water outlet channel 42 communicates with the water outlet 315.
  • the water inlet pipe 5 communicates with the water inlet channel 41, the water inlet pipe 5 is located on the lower side of the pump body 3, the water outlet pipe 6 communicates with the water outlet channel 42, and the water outlet pipe 6 is located on the front side of the water distribution channel portion 4. Among them, after the water enters the water inlet channel 41, the water can flow from the water inlet channel 41 to the accommodating cavity 316.
  • the water will be pressurized, and then the water will flow into the water outlet channel 42 from the water outlet 315. Then the water will flow into the water outlet pipe 6 from the water outlet channel 42 and finally the water will spray out from the water outlet pipe 6, so that the working requirements of the washing machine 10 can be guaranteed.
  • the handheld high pressure washer 10 arranged by the above content has a compact structure, which can reduce the volume of the handheld high pressure washer 10 of the present application by 45% ⁇ 10% compared with the existing washing machine, and can reduce the hand-held high pressure cleaning.
  • the volume of the machine 10 can realize the miniaturization and lightweight design of the handheld high-pressure cleaner 10.
  • the triangular rotor pump on the hand-held high-pressure washer 10
  • the liquid output flow rate of the hand-held high-pressure washer 10 can be increased per unit time, and the power density of the hand-held high-pressure washer 10 can be increased.
  • the cleaning efficiency of the hand-held high-pressure cleaner 10 is improved, so that the working performance of the hand-held high-pressure cleaner 10 can be improved.
  • the work of the triangular rotor pump is relatively stable, which can make the hand-held high-pressure cleaner 10 work more smoothly.
  • the liquid output flow of the hand-held high-pressure cleaner 10 can also be increased, and the cleaning efficiency of the hand-held high-pressure cleaner 10 can be improved.
  • the eccentric shaft 33 can pass through the front cover 312 and the rear cover 313 at the same time, the triangular rotor 32 is sleeved on the outside of the eccentric shaft 33, and the triangular rotor 32 and A connecting bearing 34 may be arranged between the eccentric shafts 33.
  • This arrangement can make the triangular rotor 32 rotate relative to the eccentric shaft 33, and the handheld high pressure washer 10 can prevent the eccentric shaft 33 from jamming under overload conditions.
  • the triangular rotor 32 may be provided with an inner gear ring 35, and one of the front end cover 312 and the rear end cover 313 may be provided with a gear 36 meshing with the inner gear ring 35.
  • the front end cover 312 is provided with a gear 36, which meshes with the ring gear 35.
  • This arrangement can integrate the deceleration structure on the triangular rotor 32.
  • the triangular rotor 32 can share a part of the reduction ratio, thereby reducing the volume of the reduction box 9 It becomes smaller, and the volume of the hand-held high-pressure cleaner 10 can be further reduced.
  • a support bearing 37 may be provided between the eccentric shaft 33 and the front end cover 312, and the eccentric shaft 33 and the rear end cover 313, and the support bearing 37 may be opposed to the eccentric shaft 33. Play a supporting role, thereby making the eccentric shaft 33 more stable.
  • the speed range of the triangular rotor 32 is 300-400r/min, and the pressure range of the triangular rotor 32 is 2.5Mpa-3Mpa. Compared with the prior art, the speed of the triangular rotor 32 can be reduced. The working noise of the hand-held high-pressure cleaner 10 can be reduced, and the liquid output flow of the hand-held high-pressure cleaner 10 can be guaranteed within a unit time.
  • both the water inlet 314 and the water outlet 315 can be arranged in two, and the two water inlets 314 and the two water outlets 315 are arranged staggered, which can also be understood as the center of the two water inlets 314 The line of the points intersects the line of the center points of the two water outlets 315.
  • one water inlet 314 is provided at the upper left corner of the side wall 311
  • the other water inlet 314 is provided at the lower right corner of the side wall 311
  • one water outlet 315 is provided at the lower left corner of the side wall 311
  • the other water outlet is provided at the lower left corner of the side wall 311.
  • 315 is arranged at the upper right corner of the side wall 311.
  • This arrangement can ensure that the two water inlets 314 and the two water outlets 315 are arranged staggered, and can prevent the water in the accommodating cavity 316 from flowing out of the accommodating cavity 316 directly from the water outlet 315 without being pressurized.
  • the working reliability of the pump body 3 can be ensured, and the water sprayed from the hand-held high-pressure washer 10 can also be guaranteed to have a certain pressure, thereby ensuring the cleaning ability of the hand-held high-pressure washer 10.
  • the water distribution channel 4 has a low-pressure water inlet 43 and a high-pressure water outlet 44, and the water inlet pipe 5 communicates with the water inlet channel 41 through the low-pressure water inlet 43, The water in the water inlet pipe 5 can flow into the water inlet channel 41 through the low pressure water inlet 43.
  • the water outlet pipe 6 can communicate with the water outlet channel 42 through the high-pressure water outlet 44. After the pump body 3 pressurizes the water, the water can flow into the water outlet channel 42 through the water outlet 315, and then the water in the water outlet channel 42 will pass from the high-pressure water outlet 44 flows into the outlet pipe 6, and finally water is sprayed from the outlet pipe 6.
  • the water inlet channel 41 and the water outlet channel 42 are arranged staggered. It should be explained that the water inlet channel 41 and the water outlet channel 42 are arranged in a staggered manner. The arrangement can ensure that the water in the water inlet channel 41 and the water outlet channel 42 does not interfere with each other, and can also make the pump body 3 more compact and compact, thereby reducing the volume of the handheld high-pressure cleaner 10.
  • one-way valves 7 may be arranged in the water inlet flow passage 41 and the water outlet flow passage 42. This arrangement can ensure the water inlet flow passage 41 and the water outlet flow passage 42. The water inside cannot return, which can prevent the water in the hand-held high-pressure washer 10 from flowing back to the external water source, so that the working reliability of the hand-held high-pressure washer 10 can be further ensured.
  • the triangular rotor 32 may have a contact portion 321 that is in contact with the inner surface of the accommodating cavity 316, the contact portion 321 may have a mounting groove 322, and a sealing member 323 may be provided in the mounting groove 322.
  • the sealing member An elastic member may be provided between the triangular rotor 32 and the triangular rotor 32, and the elastic member is used to apply pressure between the sealing member 323 and the inner side surface of the containing cavity 316, so as to achieve a seal between the triangular rotor 32 and the inner side surface of the containing cavity 316. It can be ensured that the pump body 3 can pressurize the water in the accommodating cavity 316.
  • the handheld high-pressure cleaner 10 may further include: a battery pack 8, which is interfaced with the battery pack 8 of the housing 1, and the battery pack 8 can be a handheld
  • the operation of the high-pressure cleaner 10 provides electric energy, which can drive the motor 2 to work, so that the motor 2 can drive the triangular rotor 32 to pump.
  • the user When the hand-held high-pressure cleaner 10 is required to work, the user holds the handle 11 and controls the battery pack 8 to supply power to the motor 2. After the motor 2 transmits the driving force to the reduction box 9, the reduction box 9 transmits the power to the pump body 3, and then the pump The body 3 works to suck the water from the external water source from the water inlet pipe 5 and the low pressure water inlet 43 into the water inlet passage 41, and then the water flows into the containing chamber 316 from the water inlet passage 41 and the water inlet 314.
  • the pump body 3 pressurizes the water, The water flows into the water outlet channel 42 from the water outlet 315, and then the water flows from the high-pressure water outlet 44 to the water outlet pipe 6, and finally the water is sprayed out of the water outlet pipe 6 to clean the object.
  • the arrows in the figure indicate the direction of water flow.
  • the cleaning machine includes: a housing 1, a motor 2, a pump body 3, a water distribution channel part 4, a water inlet pipe 5 and a water outlet pipe 6.
  • the motor 2 is arranged in the housing 1, and the pump body 3 is arranged in the housing 1.
  • the pump body 3 is a triangular rotor pump.
  • the pump body 3 includes a cylinder 31 and a triangular rotor 32 rotating in the cylinder 31.
  • the speed range is 300-400r/min, and the pressure range of the triangular rotor 32 is 2.5Mpa-3Mpa. Compared with the prior art, the speed of the triangular rotor 32 can be reduced, and the working noise of the cleaning machine can be reduced. Ensure the liquid output flow of the washing machine.
  • the pump body 3 also includes an eccentric shaft 33 drivingly connected with the triangular rotor 32.
  • the eccentric shaft 33 is driven to rotate by the motor 2.
  • the cylinder body 31 includes a side wall 311 and a front end cover 312 and a rear end cover 313 arranged at both ends of the side wall 311.
  • the side wall 311, the front end cover 312 and the rear end cover 313 jointly enclose a accommodating cavity 316, and the triangular rotor 32 is located in the accommodating cavity 316 Inside, the triangular rotor 32 includes three side walls. A high pressure cavity is formed between each side wall and the inner wall of the containing cavity 316.
  • the triangular rotor 32 is driven by the eccentric shaft 33 to make an eccentric rotation movement in the containing cavity 316.
  • the triangular rotor 32 can alternately release and squeeze the high-pressure cavity.
  • the pump body 3 also includes a water inlet 314 and a water outlet 315 respectively arranged on the side wall 311. During the rotation of the triangular rotor 32, the water inlet 314 and the water outlet 315 alternately communicate with the high-pressure cavity During the rotation of the triangular rotor 32, such a setting can change the volume of the high-pressure chamber. Liquid can be sucked into the containing cavity 316 from the water inlet 314, or liquid in the containing cavity 316 can be discharged from the containing cavity 316 through the water outlet 315.
  • the pump body 3 and the motor 2 are connected through a reduction mechanism 9, and the reduction mechanism 9 may be a reduction box 9.
  • one of the front end cover 312 and the rear end cover 313 of the cylinder body 31 is integrally formed with the side wall 311 to define the accommodating cavity 316. Therefore, the front end cover 312, the rear end cover 313 and the side wall 311 can be three independent parts fixedly connected to each other, or one of the front end cover 312 and the rear end cover 313 can be integrally formed with the side wall 311, and then combined with the side wall 311.
  • the water distribution channel portion 4 is arranged in the casing 1, and the water distribution channel portion 4 is located on the front side of the pump body 3.
  • the water distribution channel portion 4 has an inlet flow channel 41 and an outlet flow channel 42.
  • the water inlet flow channel 41 is in communication with the water inlet 314,
  • the water outlet channel 42 communicates with the water outlet 315.
  • the water inlet pipe 5 communicates with the water inlet channel 41, the water inlet pipe 5 is located on the lower side of the pump body 3, the water outlet pipe 6 communicates with the water outlet channel 42, and the water outlet pipe 6 is located on the front side of the water distribution channel portion 4. Among them, after the water enters the water inlet channel 41, the water can flow from the water inlet channel 41 to the accommodating cavity 316.
  • the water will be pressurized, and then the water will flow into the water outlet channel 42 from the water outlet 315. Then the water will flow into the water outlet pipe 6 from the water outlet channel 42 and finally the water will spray out from the water outlet pipe 6, so as to ensure the working requirements of the washing machine.
  • the cleaning machine arranged through the above content has a compact structure, which can reduce the volume of the high-pressure cleaning machine of the present application by 45% ⁇ 10% compared with the existing cleaning machine, and can reduce the volume of the cleaning machine, thereby achieving the high performance of the cleaning machine.
  • Miniaturization and lightweight design by installing the triangular rotor pump on the hand washing machine, the liquid output flow of the washing machine can be increased per unit time, the power density of the washing machine can be improved, and the cleaning efficiency of the washing machine can also be improved, thereby improving the washing machine Performance.
  • the work of the triangular rotor pump is relatively stable, which can make the cleaning machine work more smoothly.
  • the eccentric shaft 33 can pass through the front cover 312 and the rear cover 313 at the same time, the triangular rotor 32 is sleeved on the outside of the eccentric shaft 33, and the triangular rotor 32 and A connecting bearing 34 may be arranged between the eccentric shafts 33.
  • This arrangement can make the triangular rotor 32 rotate relative to the eccentric shaft 33, and the eccentric shaft 33 can be prevented from jamming when the washing machine is overloaded.
  • the triangular rotor 32 may be provided with an inner gear ring 35, and one of the front end cover 312 and the rear end cover 313 may be provided with a gear 36 meshing with the inner gear ring 35.
  • the front end cover 312 is provided with a gear 36, which meshes with the ring gear 35.
  • This arrangement can integrate the deceleration structure on the triangular rotor 32.
  • the triangular rotor 32 can share a part of the reduction ratio, thereby reducing the volume of the reduction box 9 It becomes smaller, which can further reduce the volume of the washing machine.
  • a support bearing 37 may be provided between the eccentric shaft 33 and the front end cover 312, and the eccentric shaft 33 and the rear end cover 313, and the support bearing 37 may be opposed to the eccentric shaft 33. Play a supporting role, thereby making the eccentric shaft 33 more stable.

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  • Rotary Pumps (AREA)

Abstract

La présente invention concerne une machine à laver à haute pression portative et une machine à laver. La machine à laver à haute pression portative comprend : un logement (1) comprenant en outre un orifice de raccordement ; un moteur (2) ; et un corps de pompe (3) disposé dans le logement (1), qui est une pompe à rotor triangulaire, et comprend un corps de cylindre (31), un rotor triangulaire (32), et un arbre excentrique (33) raccordé par transmission au rotor triangulaire (32) ; le corps de cylindre (31) comprenant une paroi latérale (311), et un couvercle d'extrémité avant (312) et un couvercle d'extrémité arrière (313) disposés au niveau de deux extrémités de la paroi latérale (311) ; la paroi latérale (311), le couvercle d'extrémité avant (312), et le couvercle d'extrémité arrière (313) enfermant ensemble une cavité de réception (316) ; le rotor triangulaire (32) comprenant trois parois de bord, et une cavité à haute pression étant formée entre chaque paroi de bord et une paroi interne de la cavité de réception (316) ; le corps de pompe (3) comprenant en outre une entrée d'eau (314) et une sortie d'eau (315) respectivement disposées sur la paroi latérale (311). Par conséquent, en fournissant la pompe à rotor triangulaire, les exigences de poids léger, de miniaturisation et de haute performance du corps de pompe peuvent être mises en œuvre, les exigences d'un utilisateur en matière de poids léger, de miniaturisation et de performance élevée de la machine à laver peuvent être satisfaites, l'écoulement de sortie de liquide de la machine à laver peut également être augmenté en temps unitaire, et l'efficacité de nettoyage de la machine à laver peut être améliorée.
PCT/CN2020/120652 2019-10-31 2020-10-13 Machine à laver à haute pression portative et machine à laver WO2021082909A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201921861719.9 2019-10-31
CN201921861719.9U CN211247522U (zh) 2019-10-31 2019-10-31 手持式高压清洗机以及清洗机

Publications (1)

Publication Number Publication Date
WO2021082909A1 true WO2021082909A1 (fr) 2021-05-06

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Application Number Title Priority Date Filing Date
PCT/CN2020/120652 WO2021082909A1 (fr) 2019-10-31 2020-10-13 Machine à laver à haute pression portative et machine à laver

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WO (1) WO2021082909A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN211247522U (zh) * 2019-10-31 2020-08-14 苏州宝时得电动工具有限公司 手持式高压清洗机以及清洗机

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3632046A (en) * 1968-04-23 1972-01-04 Robert W Hengesbach Spray nozzle
JP2000117203A (ja) * 1998-10-15 2000-04-25 Okatsune Haguruma Seisakusho:Kk 洗浄装置
JP2015009198A (ja) * 2013-06-28 2015-01-19 日立工機株式会社 蒸気吐出装置及び蒸気吐出器
CN108087226A (zh) * 2016-11-21 2018-05-29 苏州宝时得电动工具有限公司 泵单元及手持式高压清洗机
CN108533471A (zh) * 2017-03-03 2018-09-14 苏州宝时得电动工具有限公司 手持式高压清洗机
CN109675737A (zh) * 2017-10-18 2019-04-26 苏州宝时得电动工具有限公司 手持式高压清洗机
CN209012010U (zh) * 2018-09-21 2019-06-21 苏州宝时得电动工具有限公司 柱塞泵和手持式清洗机
CN211247522U (zh) * 2019-10-31 2020-08-14 苏州宝时得电动工具有限公司 手持式高压清洗机以及清洗机

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3632046A (en) * 1968-04-23 1972-01-04 Robert W Hengesbach Spray nozzle
JP2000117203A (ja) * 1998-10-15 2000-04-25 Okatsune Haguruma Seisakusho:Kk 洗浄装置
JP2015009198A (ja) * 2013-06-28 2015-01-19 日立工機株式会社 蒸気吐出装置及び蒸気吐出器
CN108087226A (zh) * 2016-11-21 2018-05-29 苏州宝时得电动工具有限公司 泵单元及手持式高压清洗机
CN108533471A (zh) * 2017-03-03 2018-09-14 苏州宝时得电动工具有限公司 手持式高压清洗机
CN109675737A (zh) * 2017-10-18 2019-04-26 苏州宝时得电动工具有限公司 手持式高压清洗机
CN209012010U (zh) * 2018-09-21 2019-06-21 苏州宝时得电动工具有限公司 柱塞泵和手持式清洗机
CN211247522U (zh) * 2019-10-31 2020-08-14 苏州宝时得电动工具有限公司 手持式高压清洗机以及清洗机

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