WO2021082909A1 - Handheld high-pressure washer and washer - Google Patents

Handheld high-pressure washer and washer 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
French (fr)
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/en

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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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Abstract

A handheld high-pressure washer and a washer. The handheld high-pressure washer comprises: a housing (1) further comprising a connection port; a motor (2); and a pump body (3) provided in the housing (1), being a triangular rotor pump, and comprising a cylinder body (31), a triangular rotor (32), and an eccentric shaft (33) transmissively connected to the triangular rotor (32); wherein the cylinder body (31) comprises a sidewall (311), and a front end cover (312) and a rear end cover (313) provided at two ends of the sidewall (311); the sidewall (311), the front end cover (312), and the rear end cover (313) together enclose an accommodation cavity (316); the triangular rotor (32) comprises three edge walls, and a high-pressure cavity is formed between each edge wall and an inner wall of the accommodation cavity (316); the pump body (3) further comprises a water inlet (314) and a water outlet (315) respectively provided on the sidewall (311). Hence, by providing the triangular rotor pump, the requirements of light weight, miniaturization, and high performance of the pump body can be implemented, the requirements of a user for light weight, miniaturization, and high performance of the washer can be met, the liquid output flow of the washer can also be increased in unit time, and the cleaning efficiency of the washer can be improved.

Description

手持式高压清洗机以及清洗机Hand-held pressure washer and washing machine
本申请要求了申请日为2019年10月31日，申请号为201921861719.9的中国专利申请的优先权，其全部内容通过引用结合在本申请中。This application claims the priority of the Chinese patent application whose application date is October 31, 2019 and the application number is 201921861719.9, the entire content of which is incorporated into this application by reference.
技术领域Technical field
本实用新型涉及清洗技术领域，尤其是涉及一种手持式高压清洗机以及清洗机。The utility model relates to the technical field of cleaning, in particular to a handheld high-pressure cleaning machine and a cleaning machine.
背景技术Background technique
相关技术中，清洗机的泵体结构一般采用三柱塞结构或者单柱塞结构，由于柱塞泵结构特性，导致小体积下输出流量有限，功率密度(即体积功率比)较低，无法满足用户对手持式清洗机轻量化、小型化、高性能的需求。In related technologies, 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.
实用新型内容Utility model content
本实用新型旨在至少解决现有技术中存在的技术问题之一。为此，本实用新型的一个目的在于提出一种手持式高压清洗机，该手持式高压清洗机可以实现泵体的轻量化、小型化、高性能的需求，也可以提升清洗机的清洗效率。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.
本实用新型进一步地提出了一种清洗机。The utility model further proposes a washing machine.
根据本实用新型的手持式高压清洗机包括：壳体，所述壳体包括用于握持的手柄，所述壳体呈手持枪型，所述壳体还包括连接口，用于连接外部水源；电机，所述电机设置于所述壳体内；泵体，设置于所述壳体内，所述泵体为三角转子泵，所述泵体包括缸体和在所述缸体内旋转的三角转子以及与所述三角转子传动连接的偏心轴，所述偏心轴由所述电机驱动旋转；所述缸体包括侧壁和设置于所述侧壁两端的前端盖和后端盖，所述侧壁、所述前端盖和所述后端盖共同围成容纳腔，所述三角转子位于所述容纳腔内，所述三角转子包括三个边壁，每个所述边壁与所述容纳腔的内壁之间形成一个高压腔，所述三角转子在所述偏心轴的带动下在所述容纳腔内作偏心旋转运动，以交替释放和挤压所述高压腔；所述泵体还包括分别设置在所述侧壁上的进水口和出水口，在所述三角转子转动过程中所述进水口和所述出水***替与所述高压腔连通。The hand-held high-pressure cleaner according to the present invention 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.
根据本实用新型的清洗机，通过设置三角转子泵，能够实现泵体的轻量化、小型化、高性能的需求，可以满足用户对清洗机轻量化、小型化、高性能的需求，并且，在单位时间内，也能够增大清洗机的液体输出流量，可以提升清洗机的清洗效率。According to the cleaning machine of the present utility model, by installing a triangular rotor pump, 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. In a unit time, the liquid output flow of the washing machine can also be increased, and the cleaning efficiency of the washing machine can be improved.
在本实用新型的一些示例中，所述偏心轴贯穿所述前端盖和所述后端盖，所述三角转子套设于所述偏心轴，所述三角转子与所述偏心轴之间设置有连接轴承。In some examples of the present invention, 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.
在本实用新型的一些示例中，所述三角转子设有内齿圈，所述前端盖和所述后端盖中的一个设有与所述内齿圈啮合的齿轮。In some examples of the present invention, 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.
在本实用新型的一些示例中，所述偏心轴与所述前端盖、所述偏心轴与所述后端盖之间均设有支撑轴承。In some examples of the present invention, support bearings are provided between the eccentric shaft and the front end cover, and between the eccentric shaft and the rear end cover.
在本实用新型的一些示例中，所述的手持式高压清洗机还包括：配水流道部，所述配水流道部设置于所述壳体内，所述配水流道部位于所述泵体前侧，所述配水流道部具有进水流道和出水流道，所述进水流道与所述进水口连通，所述出水流道与所述出水口连通。In some examples of the present invention, 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.
在本实用新型的一些示例中，所述进水流道和所述出水流道内布置有单向阀。In some examples of the present invention, one-way valves are arranged in the water inlet channel and the water outlet channel.
在本实用新型的一些示例中，所述三角转子的转速范围为300-400r/min。In some examples of the present invention, the speed range of the triangular rotor is 300-400 r/min.
根据本实用新型的清洗机包括：壳体；电机，所述电机设置于所述壳体内；泵体，设置于所述壳体内，所述泵体为三角转子泵，所述泵体包括缸体和在所述缸体内旋转的三角转子以及与所述三角转子传动连接的偏心轴，所述偏心轴由所述电机驱动旋转；所述缸体包括侧壁和设置于所述侧壁两端的前端盖和后端盖，所述侧壁、所述前端盖和所述后端盖共同围成容纳腔，所述三角转子位于所述容纳腔内，所述三角转子包括三个边壁，每个所述边壁与所述容纳腔的内壁之间形成一个高压腔，所述三角转子在所述偏心轴的带动下在所述容纳腔内作偏心旋转运动，以交替释放和挤压所述高压腔；所述泵体还包括分别设置在所述侧壁上的进水口和出水口，在所述三角转子转动过程中所述进水口和所述出水***替与所述高压腔连通。The cleaning machine according to the present invention 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 a water outlet respectively arranged on the side wall, and the water inlet and the water outlet alternately communicate with the high-pressure cavity during the rotation of the triangular rotor.
在本实用新型的一些示例中，所述偏心轴贯穿所述前端盖和所述后端盖，所述三角转子套设于所述偏心轴，所述三角转子与所述偏心轴之间设置有连接轴承。In some examples of the present invention, 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.
在本实用新型的一些示例中，所述偏心轴与所述前端盖、所述偏心轴与所述后端盖之间均设有支撑轴承。In some examples of the present invention, support bearings are provided between the eccentric shaft and the front end cover, and between the eccentric shaft and the rear end cover.
本实用新型的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本实用新型的实践了解到。The additional aspects and advantages of the present utility model will be partly given in the following description, and some will become obvious from the following description, or be understood through the practice of the present utility model.
附图说明Description of the drawings
本实用新型的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明显和容易理解，其中：The above and/or additional aspects and advantages of the present invention will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, in which:
图1是根据本实用新型实施例的清洗机的剖视图；Figure 1 is a cross-sectional view of a washing machine according to an embodiment of the present utility model;
图2是根据本实用新型实施例的清洗机的电机、泵体和配水流道部的示意图；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;
图3是根据本实用新型实施例的清洗机的电机、泵体和配水流道部的剖视图；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;
图4是根据本实用新型实施例的清洗机的泵体的示意图；Figure 4 is a schematic diagram of a pump body of a washing machine according to an embodiment of the present utility model;
图5是图4中A-A处的剖视图；Figure 5 is a cross-sectional view at A-A in Figure 4;
图6是图4中B-B处的剖视图；Figure 6 is a cross-sectional view at B-B in Figure 4;
图7是图4中C-C处的剖视图；Figure 7 is a cross-sectional view at C-C in Figure 4;
图8是图4中D-D处的剖视图；Figure 8 is a cross-sectional view at D-D in Figure 4;
图9是根据本实用新型实施例的清洗机的泵体的剖视图；Figure 9 is a cross-sectional view of the pump body of the washing machine according to an embodiment of the present utility model;
图10是根据本实用新型实施例的清洗机的泵体的另一个角度的剖视图。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.
附图标记：Reference signs:
手持式高压清洗机10；Hand-held high-pressure cleaner 10;
壳体1；手柄11；Shell 1; handle 11;
电机2； Motor 2;
泵体3； Pump body 3;
缸体31；侧壁311；前端盖312；后端盖313；进水口314；出水口315；容纳腔316； Cylinder body 31; side wall 311; front end cover 312; rear end cover 313; water inlet 314; water outlet 315; accommodating cavity 316;
三角转子32；接触部321；安装槽322；密封件323； Triangle rotor 32; contact portion 321; mounting groove 322; seal 323;
偏心轴33；连接轴承34；内齿圈35；齿轮36；支撑轴承37； Eccentric shaft 33; connecting bearing 34; inner gear ring 35; gear 36; support bearing 37;
配水流道部4；进水流道41；出水流道42；低压入水口43；高压出水口44；Water distribution channel part 4; water inlet channel 41; water outlet channel 42; low-pressure water inlet 43; high-pressure water outlet 44;
进水管5；出水管6；单向阀7；电池包8；减速箱9。Water inlet pipe 5; water outlet pipe 6; one-way valve 7; battery pack 8; gearbox 9.
具体实施方式Detailed ways
下面详细描述本实用新型的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本实用新型，而不能理解为对本实用新型的限制。The embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the drawings are exemplary, and are only used to explain the present utility model, and cannot be understood as a limitation to the present utility model.
下面参考图1-图10描述本实用新型实施例的手持式高压清洗机10。Hereinafter, a handheld high-pressure cleaner 10 according to an embodiment of the present invention will be described with reference to FIGS. 1-10.
如图1-图10所示，根据本实用新型实施例的手持式高压清洗机10包括：壳体1、 电机2、泵体3、配水流道部4、进水管5和出水管6。壳体1可以包括用于握持的手柄11，壳体1呈手持枪型，壳体1还可以包括连接口，连接口用于连接外部水源，需要说明的是，进水管5通过连接口与进水流道41连通，其中，当使用手持式高压清洗机10清洗物体时，用户可以手持手柄11，使手持式高压清洗机10对指定位置进行清洗，可以便于对手持式高压清洗机10进行控制。As shown in FIG. 1 to FIG. 10, the handheld high-pressure cleaner 10 according to the embodiment of the present invention 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. When the hand-held high-pressure washer 10 is used to clean objects, the user can hold the handle 11 so that the hand-held high-pressure washer 10 can clean the designated position, which can facilitate the handling of the hand-held high-pressure washer 10 control.
电机2设置于壳体1内，电机2优选小型无刷电机2，电机2转速在1000-2000r/min。手持式高压清洗机10还可以包括：减速机构9，减速机构9可以为减速箱9，减速箱9可以连接在电机2和泵体3之间，减速箱9的减速比在15左右，例如：减速箱9的减速比为15。泵体3设置于壳体1内，泵体3为三角转子32泵，泵体3包括缸体31和在缸体31内旋转的三角转子32，泵体3还包括与三角转子32传动连接的偏心轴33，偏心轴33由电机2驱动旋转。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.
缸体31包括侧壁311和设置于侧壁311两端的前端盖312和后端盖313，侧壁311、前端盖312和后端盖313共同围成容纳腔316，三角转子32位于容纳腔316内，三角转子32包括三个边壁，每个边壁与容纳腔316的内壁之间形成一个高压腔，三角转子32在偏心轴33的带动下在容纳腔316内作偏心旋转运动，三角转子32可以交替释放和挤压高压腔，泵体3还包括分别设置在侧壁311上的进水口314和出水口315，在三角转子32转动过程中进水口314和出水口315交替与高压腔连通，在三角转子32转动过程中，如此设置能够改变高压腔的体积，可以将液体从进水口314吸入容纳腔316，也可以将容纳腔316内的液体从出水口315排出容纳腔316。泵体3位于电机2后侧，泵体3与电机2通过减速机构9连接，进水管5与进水口314连通，出水管6与出水口315连通。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.
配水流道部4设置于壳体1内，配水流道部4位于泵体3前侧，配水流道部4具有进水流道41和出水流道42，进水流道41与进水口314连通，出水流道42与出水口315连通。进水管5与进水流道41连通，进水管5位于泵体3下侧，出水管6与出水流道42连通，出水管6位于配水流道部4的前侧。其中，水进入进水流道41后，水可以从进水流道41流至容纳腔316，在三角转子32转动过程中，水会被加压，然后水会从出水口315流入出水流道42，然后水会从出水流道42流入出水管6，最终水会从出水管6喷出，从而可以保证清洗机10的工作要求。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. During the rotation of the triangular rotor 32, 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.
其中，通过上述内容布置的手持式高压清洗机10结构紧凑，能够使本申请的手持式高压清洗机10与现有的清洗机相比体积缩小45％±10％，可以减小手持式高压清洗机10的体积，从而可以实现手持式高压清洗机10的小型化和轻量化设计。并且，通过将三 角转子泵设置在手持式高压清洗机10上，在单位时间内，能够增大手持式高压清洗机10的液体输出流量，可以提高手持式高压清洗机10的功率密度，也可以提升手持式高压清洗机10的清洗效率，从而可以提升手持式高压清洗机10的工作性能。同时，三角转子泵的工作比较平稳，可以使手持式高压清洗机10更加平稳地工作。Among them, 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. Moreover, by arranging 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. At the same time, the work of the triangular rotor pump is relatively stable, which can make the hand-held high-pressure cleaner 10 work more smoothly.
由此，通过设置三角转子泵，能够实现泵体3的轻量化、小型化、高性能的需求，可以满足用户对手持式高压清洗机10轻量化、小型化、高性能的需求，并且，在单位时间内，也能够增大手持式高压清洗机10的液体输出流量，可以提升手持式高压清洗机10的清洗效率。Thus, by installing a triangular rotor pump, it is possible to achieve the requirements of light weight, miniaturization, and high performance of the pump body 3, which can meet the needs of users for light weight, miniaturization, and high performance of the hand-held high pressure washer 10, and, In a unit time, 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.
在本实用新型的一些实施例中，如图9和图10所示，偏心轴33可以同时贯穿前端盖312和后端盖313，三角转子32套设于偏心轴33的外侧，三角转子32与偏心轴33之间可以设置有连接轴承34，如此设置可以使三角转子32相对偏心轴33转动，手持式高压清洗机10在过载情况下，可以避免偏心轴33卡死。In some embodiments of the present invention, as shown in Figures 9 and 10, 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.
在本实用新型的一些实施例中，如图9所示，三角转子32可以设置有内齿圈35，前端盖312和后端盖313中的一个可以设置有与内齿圈35啮合的齿轮36，例如：前端盖312上设置有齿轮36，齿轮36与内齿圈35啮合，这样设置能够将减速结构集成在三角转子32上，三角转子32可以分担一部分减速比，从而可以将减速箱9体积变小，进而可以进一步减小手持式高压清洗机10的体积。In some embodiments of the present invention, as shown in FIG. 9, 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. For example: 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.
在本实用新型的一些实施例中，如图10所示，偏心轴33与前端盖312、偏心轴33与后端盖313之间均可以设置有支撑轴承37，支撑轴承37可以对偏心轴33起到支撑作用，从而可以使偏心轴33更加稳定。In some embodiments of the present invention, as shown in FIG. 10, 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.
在本实用新型的一些实施例中，三角转子32的转速范围为300-400r/min，三角转子32的压力范围2.5Mpa-3Mpa，与现有技术相比，能够使三角转子32的转速降低，可以降低手持式高压清洗机10的工作噪音，在单位时间内，可以保证手持式高压清洗机10的液体输出流量。In some embodiments of the present invention, 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.
在本实用新型的一些实施例中，进水口314和出水口315均可以设置为两个，两个进水口314和两个出水口315交错布置，也可以理解为，两个进水口314的中心点的连线与两个出水口315的中心点的连线相交。如图9所示，一个进水口314设置于侧壁311的左上角，另一个进水口314设置于侧壁311的右下角，一个出水口315设置于侧壁311的左下角，另一个出水口315设置于侧壁311的右上角，如此设置能够保证两个进水口314和两个出水口315错开布置，可以避免容纳腔316内的水未被加压直接从出水口315流出容纳腔316的情况发生，从而可以保证泵体3的工作可靠性，也可以保证从手持式 高压清洗机10喷出的水具有一定压力，进而可以保证手持式高压清洗机10的清洗能力。In some embodiments of the present invention, 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. As shown in Figure 9, 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, and 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. When this happens, 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.
在本实用新型的一些实施例中，如图5和图6所示，配水流道部4具有低压入水口43和高压出水口44，进水管5通过低压入水口43与进水流道41连通，进水管5内的水可以通过低压入水口43流入进水流道41。出水管6可以通过高压出水口44与出水流道42连通，泵体3对水加压后，水可以通过出水口315流入出水流道42，然后出水流道42内的水会从高压出水口44流入出水管6，最终水从出水管6喷出。In some embodiments of the present invention, as shown in Figures 5 and 6, 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.
在本实用新型的一些实施例中，如图4-图8所示，进水流道41和出水流道42错开布置，需要解释的是，进水流道41和出水流道42错位排布，这样设置可以保证进水流道41和出水流道42内的水互不干扰，也可以使泵体3更加小巧紧凑，从而可以减小手持式高压清洗机10的体积。In some embodiments of the present invention, as shown in Figures 4-8, 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.
在本实用新型的一些实施例中，如图5-图8所示，进水流道41和出水流道42内可以布置有单向阀7，如此设置能够保证进水流道41和出水流道42内的水无法回流，可以防止手持式高压清洗机10内的水流回外部水源，从而可以进一步保证手持式高压清洗机10的工作可靠性。In some embodiments of the present invention, as shown in Figs. 5-8, 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.
在本实用新型的一些实施例中，三角转子32可以具有与容纳腔316的内侧面接触的接触部321，接触部321可以具有安装槽322，安装槽322内可以设置有密封件323，密封件323与三角转子32之间可以设有弹性件，弹性件用于施加密封件323与容纳腔316的内侧面的压力，从而可以实现三角转子32与容纳腔316的内侧面之间的密封，进而可以保证泵体3可以对容纳腔316内的水进行加压。In some embodiments of the present invention, 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.
在本实用新型的一些实施例中，如图1所示，手持式高压清洗机10还可以包括：电池包8，电池包8与壳体1的电池包8接口连接，电池包8能够为手持式高压清洗机10的工作提供电能，可以驱动电机2工作，从而可以使电机2驱动三角转子32泵工作。In some embodiments of the present invention, as shown in FIG. 1, 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.
具体地，下面详细了解手持式高压清洗机10的工作过程。Specifically, the working process of the handheld high-pressure cleaner 10 will be described in detail below.
需要手持式高压清洗机10工作时，用户手握手柄11，控制电池包8向电机2供电，电机2将驱动力传递给减速箱9后，减速箱9将动力传递至泵体3，然后泵体3工作，将外部水源处的水从进水管5、低压入水口43吸入进水流道41，然后水从进水流道41、进水口314流入容纳腔316，泵体3对水加压后，水从出水口315流入出水流道42，然后水从高压出水口44流至出水管6，最终水从出水管6喷出清洗物体。需要说明的是，图中箭头表示水流方向。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. After 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. It should be noted that the arrows in the figure indicate the direction of water flow.
如图1-图10所示，根据本实用新型实施例的清洗机包括：壳体1、电机2、泵体3、配水流道部4、进水管5和出水管6。电机2设置于壳体1内，泵体3设置于壳体1内， 泵体3为三角转子泵，泵体3包括缸体31和在缸体31内旋转的三角转子32，三角转子32的转速范围为300-400r/min，三角转子32的压力范围2.5Mpa-3Mpa，与现有技术相比，能够使三角转子32的转速降低，可以降低清洗机的工作噪音，在单位时间内，可以保证清洗机的液体输出流量。As shown in FIGS. 1 to 10, the cleaning machine according to the embodiment of the present utility model 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.
泵体3还包括与三角转子32传动连接的偏心轴33。偏心轴33由电机2驱动旋转。缸体31包括侧壁311和设置于侧壁311两端的前端盖312和后端盖313，侧壁311、前端盖312和后端盖313共同围成容纳腔316，三角转子32位于容纳腔316内，三角转子32包括三个边壁，每个边壁与容纳腔316的内壁之间形成一个高压腔，三角转子32在偏心轴33的带动下在容纳腔316内作偏心旋转运动，三角转子32可以交替释放和挤压高压腔，泵体3还包括分别设置在侧壁311上的进水口314和出水口315，在三角转子32转动过程中进水口314和出水口315交替与高压腔连通，在三角转子32转动过程中，如此设置能够改变高压腔的体积，可以将液体从进水口314吸入容纳腔316，也可以将容纳腔316内的液体从出水口315排出容纳腔316。泵体3与电机2通过减速机构9连接，减速机构9可以为减速箱9。在本实施方式中，缸体31的前端盖312和后端盖313中的一个与侧壁311一体成型，以限定出容纳腔316。因此，前端盖312和后端盖313以及侧壁311可以是相互固定连接的3个独立的部件，也可以是前端盖312和后端盖313中的一个与侧壁311一体成型，然后再与另一个固定连接，只要能限定出容纳腔316均应在本实用新型的范围内。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. In this embodiment, 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 other fixed connection, as long as the containing cavity 316 can be defined, should fall within the scope of the present invention.
配水流道部4设置于壳体1内，配水流道部4位于泵体3前侧，配水流道部4具有进水流道41和出水流道42，进水流道41与进水口314连通，出水流道42与出水口315连通。进水管5与进水流道41连通，进水管5位于泵体3下侧，出水管6与出水流道42连通，出水管6位于配水流道部4的前侧。其中，水进入进水流道41后，水可以从进水流道41流至容纳腔316，在三角转子32转动过程中，水会被加压，然后水会从出水口315流入出水流道42，然后水会从出水流道42流入出水管6，最终水会从出水管6喷出，从而可以保证清洗机的工作要求。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. During the rotation of the triangular rotor 32, 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.
其中，通过上述内容布置的清洗机结构紧凑，能够使本申请的高压清洗机与现有的清洗机相比体积缩小45％±10％，可以减小清洗机的体积，从而可以实现清洗机的小型化和轻量化设计。并且，通过将三角转子泵设置在手清洗机上，在单位时间内，能够增大清洗机的液体输出流量，可以提高清洗机的功率密度，也可以提升清洗机的清洗效率，从而可以提升清洗机的工作性能。同时，三角转子泵的工作比较平稳，可以使清洗机更加平稳地工作。Among them, 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. In addition, 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. At the same time, the work of the triangular rotor pump is relatively stable, which can make the cleaning machine work more smoothly.
在本实用新型的一些实施例中，如图9和图10所示，偏心轴33可以同时贯穿前端盖312和后端盖313，三角转子32套设于偏心轴33的外侧，三角转子32与偏心轴33之间可以设置有连接轴承34，如此设置可以使三角转子32相对偏心轴33转动，清洗机在过载情况下，可以避免偏心轴33卡死。In some embodiments of the present invention, as shown in Figures 9 and 10, 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.
在本实用新型的一些实施例中，如图9所示，三角转子32可以设置有内齿圈35，前端盖312和后端盖313中的一个可以设置有与内齿圈35啮合的齿轮36，例如：前端盖312上设置有齿轮36，齿轮36与内齿圈35啮合，这样设置能够将减速结构集成在三角转子32上，三角转子32可以分担一部分减速比，从而可以将减速箱9体积变小，进而可以进一步减小清洗机的体积。In some embodiments of the present invention, as shown in FIG. 9, 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. For example: 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.
在本实用新型的一些实施例中，如图10所示，偏心轴33与前端盖312、偏心轴33与后端盖313之间均可以设置有支撑轴承37，支撑轴承37可以对偏心轴33起到支撑作用，从而可以使偏心轴33更加稳定。In some embodiments of the present invention, as shown in FIG. 10, 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.
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示意性实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本实用新型的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "exemplary embodiments", "examples", "specific examples", or "some examples" etc. means to incorporate the implementation The specific features, structures, materials or characteristics described in the examples or examples are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above-mentioned terms does not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner.
尽管已经示出和描述了本实用新型的实施例，本领域的普通技术人员可以理解：在不脱离本实用新型的原理和宗旨的情况下可以对这些实施例进行多种变化、修改、替换和变型，本实用新型的范围由权利要求及其等同物限定。Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and substitutions can be made to these embodiments without departing from the principle and purpose of the present invention. Variations, the scope of the utility model is defined by the claims and their equivalents.

Claims (7)

  1. 一种手持式高压清洗机，包括：壳体，所述壳体包括用于握持的手柄，所述壳体呈手持枪型，所述壳体还包括连接口，用于连接外部水源；电机，所述电机设置于所述壳体内，其特征在于，A hand-held high-pressure cleaner, comprising: 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 an external water source; A motor, the motor is arranged in the housing, and is characterized in that:
    泵体，设置于所述壳体内，所述泵体为三角转子泵，所述泵体包括缸体和在所述缸体内旋转的三角转子以及与所述三角转子传动连接的偏心轴；The pump body is arranged in the casing, the pump body is a triangular rotor pump, and the pump body includes a cylinder block, a triangular rotor rotating in the cylinder body, and an eccentric shaft drivingly connected with the triangular rotor;
    所述缸体包括侧壁和设置于所述侧壁两端的前端盖和后端盖，所述侧壁、所述前端盖和所述后端盖共同围成容纳腔，所述三角转子位于所述容纳腔内；The cylinder body includes a side wall and a front end cover and a rear end cover provided at both ends of the side wall. The side wall, the front end cover and the rear end cover jointly enclose a accommodating cavity, and the triangular rotor is located at the In the containing cavity;
    所述偏心轴由所述电机驱动旋转，所述偏心轴贯穿所述前端盖和所述后端盖，所述三角转子套设于所述偏心轴，所述三角转子与所述偏心轴之间设置有连接轴承，所述偏心轴与所述前端盖、所述偏心轴与所述后端盖之间均设有支撑轴承；The eccentric shaft is driven to rotate by the motor, the eccentric shaft penetrates the front end cover and the rear end cover, the triangular rotor is sleeved on the eccentric shaft, between the triangular rotor and the eccentric shaft A connecting bearing is provided, and support bearings are provided between the eccentric shaft and the front end cover, and between the eccentric shaft and the rear end cover;
    所述三角转子包括三个边壁，每个所述边壁与所述容纳腔的内壁之间形成一个高压腔，所述三角转子在所述偏心轴的带动下在所述容纳腔内作偏心旋转运动，以交替释放和挤压所述高压腔，所述三角转子设有内齿圈，所述前端盖和所述后端盖中的一个设有与所述内齿圈啮合的齿轮；The triangular rotor includes three side walls, and a high pressure cavity is formed between each side wall and the inner wall of the containing cavity, and the triangular rotor is eccentric in the containing cavity under the drive of the eccentric shaft. Rotating movement to alternately release and squeeze the high pressure cavity, 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;
    所述泵体还包括分别设置在所述侧壁上的进水口和出水口，在所述三角转子转动过程中所述进水口和所述出水***替与所述高压腔连通。The pump body further includes a water inlet and a water outlet respectively 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.
  2. 根据权利要求1所述的手持式高压清洗机，其特征在于，还包括：配水流道部，所述配水流道部设置于所述壳体内，所述配水流道部位于所述泵体前侧，所述配水流道部具有进水流道和出水流道，所述进水流道与所述进水口连通，所述出水流道与所述出水口连通。The hand-held high-pressure washer according to claim 1, further comprising: a water distribution channel portion, the water distribution channel portion is disposed 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.
  3. 根据权利要求2所述的手持式高压清洗机，其特征在于，所述进水流道和所述出水流道内布置有单向阀。The hand-held high-pressure cleaner according to claim 2, wherein a one-way valve is arranged in the water inlet flow channel and the water outlet flow channel.
  4. 根据权利要求1所述的手持式高压清洗机，其特征在于，所述三角转子的转速范围为300-400r/min。The hand-held high-pressure cleaner according to claim 1, wherein the rotation speed of the triangular rotor is in the range of 300-400 r/min.
  5. 一种清洗机，包括：A washing machine including:
    壳体；case;
    电机，所述电机设置于所述壳体内；A motor, the motor is arranged in the housing;
    其特征在于，泵体，设置于所述壳体内，所述泵体为三角转子泵，所述泵体包括缸体和在所述缸体内旋转的三角转子以及与所述三角转子传动连接的偏心轴，所述偏心轴 由所述电机驱动旋转；所述缸体包括侧壁和设置于所述侧壁两端的前端盖和后端盖，所述侧壁、所述前端盖和所述后端盖共同围成容纳腔，所述三角转子位于所述容纳腔内，所述三角转子包括三个边壁，每个所述边壁与所述容纳腔的内壁之间形成一个高压腔，所述三角转子在所述偏心轴的带动下在所述容纳腔内作偏心旋转运动，以交替释放和挤压所述高压腔；所述泵体还包括分别设置在所述侧壁上的进水口和出水口，在所述三角转子转动过程中所述进水口和所述出水***替与所述高压腔连通。It is characterized in that the pump body is arranged in the casing, the pump body is a triangular rotor pump, and the pump body includes a cylinder, a triangular rotor rotating in the cylinder, and a drive connected to the triangular rotor. An eccentric shaft, 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 side wall, the front end cover and the rear The end covers jointly enclose a containing cavity, the triangular rotor is located in the containing cavity, the triangular rotor includes three side walls, and a high pressure cavity is formed between each of the side walls and the inner wall of the containing cavity, so 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 water inlets respectively arranged on the side walls And a water outlet, the water inlet and the water outlet alternately communicate with the high pressure cavity during the rotation of the triangular rotor.
  6. 根据权利要求5所述的清洗机，其特征在于，所述偏心轴贯穿所述前端盖和所述后端盖，所述三角转子套设于所述偏心轴，所述三角转子与所述偏心轴之间设置有连接轴承。The cleaning machine according to claim 5, wherein the eccentric shaft penetrates the front end cover and the rear end cover, the triangular rotor is sleeved on the eccentric shaft, and the triangular rotor is connected to the eccentric shaft. Connecting bearings are arranged between the shafts.
  7. 根据权利要求6所述的清洗机，其特征在于，所述偏心轴与所述前端盖、所述偏心轴与所述后端盖之间均设有支撑轴承。The cleaning machine according to claim 6, wherein a support bearing is provided between the eccentric shaft and the front end cover, and between the eccentric shaft and the rear end cover.
PCT/CN2020/120652 2019-10-31 2020-10-13 Handheld high-pressure washer and washer WO2021082909A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN211247522U (en) * 2019-10-31 2020-08-14 苏州宝时得电动工具有限公司 Hand-held high-pressure cleaning machine and cleaning machine

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US3632046A (en) * 1968-04-23 1972-01-04 Robert W Hengesbach Spray nozzle
JP2000117203A (en) * 1998-10-15 2000-04-25 Okatsune Haguruma Seisakusho:Kk Washer
JP2015009198A (en) * 2013-06-28 2015-01-19 日立工機株式会社 Steam discharge device and steam discharger
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CN108533471A (en) * 2017-03-03 2018-09-14 苏州宝时得电动工具有限公司 Handheld high-voltage cleaning machine
CN109675737A (en) * 2017-10-18 2019-04-26 苏州宝时得电动工具有限公司 Handheld high-voltage cleaning machine
CN209012010U (en) * 2018-09-21 2019-06-21 苏州宝时得电动工具有限公司 Plunger pump and hand-hold washer
CN211247522U (en) * 2019-10-31 2020-08-14 苏州宝时得电动工具有限公司 Hand-held high-pressure cleaning machine and cleaning machine

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* 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 (en) * 1998-10-15 2000-04-25 Okatsune Haguruma Seisakusho:Kk Washer
JP2015009198A (en) * 2013-06-28 2015-01-19 日立工機株式会社 Steam discharge device and steam discharger
CN108087226A (en) * 2016-11-21 2018-05-29 苏州宝时得电动工具有限公司 Pump unit and Handheld high-voltage cleaning machine
CN108533471A (en) * 2017-03-03 2018-09-14 苏州宝时得电动工具有限公司 Handheld high-voltage cleaning machine
CN109675737A (en) * 2017-10-18 2019-04-26 苏州宝时得电动工具有限公司 Handheld high-voltage cleaning machine
CN209012010U (en) * 2018-09-21 2019-06-21 苏州宝时得电动工具有限公司 Plunger pump and hand-hold washer
CN211247522U (en) * 2019-10-31 2020-08-14 苏州宝时得电动工具有限公司 Hand-held high-pressure cleaning machine and cleaning machine

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