CN111632937A

CN111632937A - High pressure cleaning machine

Info

Publication number: CN111632937A
Application number: CN202010630044.8A
Authority: CN
Inventors: 曹跃逊; 高乃新; 王涛
Original assignee: Globe Jiangsu Co Ltd
Current assignee: Globe Jiangsu Co Ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2020-09-08

Abstract

The invention provides a high-pressure cleaning machine which comprises a shell, a driving component, a pressurizing pump component and a spraying component, wherein the pressurizing component comprises a driven mechanism in transmission connection with a driving motor and a plunger connected with the driven mechanism, the driven mechanism is provided with a driven shaft in transmission connection with the driving component and a linkage structure in rotation connection with the driven shaft, the plunger is movably connected with the linkage structure, the linkage structure can drive the plunger to reciprocate in a pump body under the driving of the driven shaft, a driving shaft of the driving motor and the driven shaft are coaxially arranged along a first direction, and the extending direction of the plunger is parallel to the first direction. The high-pressure cleaning machine has the advantages of compact appearance, light and simple structure, more excellent performance and convenience in popularization and use.

Description

High pressure cleaning machine

Technical Field

The invention relates to a cleaning machine, in particular to a high-pressure cleaning machine.

Background

In family life and outdoor activities, related appliances are always inevitably stained, so that timely cleaning is often needed, and the handheld cleaning machine has the functions of compact structure, small overall dimension, portability, simple operation and the like, so that the handheld cleaning machine can be widely applied to family life and is widely applied to cleaning work.

A high-pressure cleaning machine is generally powered by a battery pack to provide power for a motor, a gear speed reducing mechanism is arranged at the output end of the motor, an eccentric connecting rod is arranged on the speed reducing mechanism, and the eccentric connecting rod drives a plunger to reciprocate in a pump cavity. The pump cavity is provided with a water inlet cavity, a water outlet cavity and a central cavity connected with the water inlet cavity and the water outlet cavity.

At present, the eccentric link mechanism mainly comprises: driven gear, eccentric shaft, connecting rod, balancing weight, plunger, bearing, etc. The eccentric link mechanism is provided with a link hinge point at a position offset from the rotation center of the driven gear by a certain distance, and the link is connected with the plunger. When the driven gear rotates, the connecting rod drives the plunger piston to do reciprocating motion. Since the connecting rod is connected to the eccentric position of the driven gear, a certain imbalance is generated when the gear rotates, and therefore, a configuration block needs to be provided on the driven gear to balance the centrifugal force of the connecting rod.

In view of the above, it is necessary to provide a new high pressure cleaning machine to solve the above problems.

Disclosure of Invention

The invention aims to provide a high-pressure cleaning machine which is compact in appearance, light and simple in structure, superior in performance and convenient to popularize and use.

In order to achieve the above object, the present invention provides a high pressure cleaner, comprising a housing; a driving part including a driving motor accommodated in the housing; a pump member housed in the casing and including a transmission assembly, a pressurizing assembly, and a pump body; the spraying component comprises a nozzle assembly, and the spraying assembly is connected with the pump body pipeline; the pressurizing assembly comprises a driven mechanism connected with the driving motor in a transmission mode and a plunger connected with the driven mechanism, the driven mechanism is provided with a driven shaft connected with the driving assembly in a transmission mode and a linkage structure connected with the driven shaft in a rotating mode, the plunger is movably connected with the linkage structure, the linkage structure can drive the plunger to reciprocate in the pump body under the driving of the driven shaft, the driving shaft of the driving motor and the driven shaft are coaxially arranged along a first direction, and the extending direction of the plunger is parallel to the first direction.

As a further improvement of the present invention, the driven shaft has a shaft body disposed in a spherical shape, and a first fixing portion and a second fixing portion extending in the first direction, and the first fixing portion and the second fixing portion are located on the same straight line.

As a further improvement of the invention, the first fixing part is in transmission connection with the transmission component; the second fixing portion is fixed in the housing through a rotary bearing.

As a further improvement of the present invention, the linkage structure includes a linkage outer ring rotatably connected to the outer peripheral surface of the shaft body, and a linkage rod disposed on an outer wall of the linkage outer ring, and the shaft body of the driven shaft rotates to drive the linkage rod to swing along the first direction.

As a further improvement of the invention, the plunger has a first end for connecting the linkage mechanism and a second end for pressurizing, the linkage mechanism is in transmission connection with the first end through a transmission pin, and the first end has a groove for accommodating the linkage mechanism.

As a further improvement of the invention, the pressure pump assembly further comprises a housing for accommodating the transmission assembly and the pressure assembly, and the pump body is located outside the housing and is connected with the housing in a sealing manner; the shell is internally provided with a sliding groove extending along the first direction, the plunger is accommodated in the sliding groove, and a sealing structure is arranged between the plunger and the sliding groove.

As a further improvement of the invention, the transmission assembly is a planetary gear assembly, and comprises a planetary gear, an output shaft connected with the planetary gear and an inner gear ring sleeved outside the planetary gear, wherein the inner gear ring is fixedly accommodated in the shell; the planetary gear is in transmission connection with a driving shaft of the driving component through motor teeth.

As a further improvement of the present invention, the pump body includes a pressurizing port corresponding to the plunger, a water inlet for water inflow, and a water outlet corresponding to the spraying component, the water inlet is detachably connected to the pump body, and one-way valves are disposed between the water inlet and the pump body, and between the water outlet and the spraying component.

As a further improvement of the present invention, the high pressure cleaner further includes a control assembly accommodated in the housing and electrically connected to the driving member, a handle assembly for holding the high pressure cleaner is formed on the housing, and the control assembly includes a control switch disposed on the handle assembly.

As a further improvement of the present invention, the high pressure cleaning machine further comprises a power supply assembly, the power supply assembly is detachably connected to the extended end of the handle assembly, and the power supply assembly is electrically connected to the driving motor and the control assembly respectively.

The invention has the beneficial effects that: according to the invention, through the structure of the pressurizing pump part of the high-pressure cleaning machine, the high-speed rotation of the driving motor is converted into the reciprocating linear motion of the plunger through the driven mechanism, the pressurizing effect of the pressurizing pump part is ensured, and meanwhile, the volume and the weight of the high-pressure cleaning machine in the prior art are effectively reduced, so that the appearance size of the high-pressure cleaning machine is more compact, and the operation flexibility and the use efficiency of the high-pressure cleaning machine are effectively improved.

Drawings

FIG. 1 is a schematic view of the high pressure washer of the present invention.

Fig. 2 is a schematic view of the high pressure washer of fig. 1 at another angle without a portion of the housing.

Fig. 3 is a schematic view of the spray part of fig. 2 at another angle.

Fig. 4 is a schematic cross-sectional view taken along a first direction of fig. 2 with the housing removed.

Fig. 5 is a schematic diagram of the drive unit and the pressurizing pump unit of fig. 2, taken apart.

Fig. 6 is a schematic exploded view of the pressurization pump assembly of fig. 2.

Fig. 7 is a schematic exploded view of the transmission assembly and the compression assembly of fig. 6.

Fig. 8 is a schematic structural view of the passive mechanism in fig. 7.

Fig. 9 is a schematic view of the structure of the pump body of fig. 6.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the aspects of the present invention are shown in the drawings, and other details not closely related to the present invention are omitted.

In addition, it is also to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Referring to fig. 1, a high pressure cleaning machine 100 according to the present invention includes a housing 1, a driving component accommodated in the housing 1, a pressure pump component 3 in transmission connection with the driving component, and a spraying component 4 for spraying.

Referring to fig. 1 to 3, the housing 1 includes a first housing (not numbered) and a second housing (not numbered) that are engaged with each other in a left-right manner, and an accommodating space for accommodating the driving member and the pressure pump member 3 is formed between the first housing and the second housing, and the shower member 4 is held between the first housing and the second housing and connected to the pressure pump member 3.

In the present invention, the housing 1 further has a handle assembly 11 formed on the housing 1, and the extending direction of the housing 1 is defined as a first direction, in this embodiment, the handle assembly 11 includes a main handle 111 disposed at the rear of the extending direction of the housing 1 and an auxiliary handle 112 located at the first direction front side of the main handle 111, so that the user can grip the high pressure cleaning machine 100 through the main handle 111 and further improve the stability of gripping the high pressure cleaning machine 100 through the auxiliary handle 112.

Referring to fig. 2 to 5, the driving member is accommodated in the accommodating space, and includes a driving motor 21, in the present invention, the driving motor 21 is located at the rear end of the accommodating space along the first direction, further, the driving motor 21 further includes a driving shaft 211 for driving and connecting the pressurizing pump member 3, and in the present invention, the driving shaft 211 is extended along the first direction.

In a preferred embodiment of the present invention, the first housing and the second housing are provided with a retaining structure 12 for retaining and fixing the driving motor 21, so as to prevent the driving motor 21 from shaking during the operation process, and further, in this embodiment, the housing 1 is further provided with a heat dissipation structure 13 for dissipating heat, so as to prevent the abnormal suspension of the high pressure cleaning machine 100 caused by an over-high temperature during the use process of the driving motor 21, thereby effectively improving the safety of the use of the high pressure cleaning machine 100.

It should be noted that, in the present invention, the driving component also includes a component for driving the high pressure cleaning machine 100 to operate, such as a PCB board, that is, the driving component includes the driving motor 21 only as an example in this specification, but should not be limited thereto.

Further, the high pressure cleaning machine 100 further comprises a power supply assembly 22 for supplying power to the driving motor 21, the power supply assembly 22 is electrically connected with the driving motor 21 to supply power for the operation of the driving motor 21, in the present invention, the power supply assembly 22 is a battery pack detachably connected with the housing 1, specifically, in this embodiment, the extended end of the handle assembly 11 is provided with a socket 14 for connecting the power supply assembly 22, the socket 14 is provided with a sliding groove (not numbered) for clamping the power supply assembly 22 and a plug seat (not shown) for electrically connecting the power supply assembly 22, and the plug seat is electrically connected with the driving motor 21, so that the installation and the disassembly of the power supply assembly 22 can be facilitated, and the use range and the use convenience of the high pressure cleaning machine 100 are effectively improved.

It should be noted that, in the present invention, the power supply module 22 is only used as an example of a battery pack detachably connected to the housing 1, and in other embodiments of the present invention, the power supply module 22 may also be used as a power supply line or other structures for connecting a power supply, that is, the battery pack in the embodiment of the present invention is only exemplary and should not be limited thereto.

As shown in fig. 4 to 9, the pressure pump unit 3 is accommodated in the housing 1, and includes a transmission assembly 31, a pressure assembly 32, and a pump body 33; in the present invention, the pressure pump unit 3 further includes a housing 34 for accommodating the transmission assembly 31 and the pressure assembly 32, that is, in the present invention, the transmission assembly 31 and the pressure assembly 32 are fixed in the accommodating space through the housing 34, in the present embodiment, the housing 34 includes a front housing (not numbered) and a rear housing (not numbered) snap-fitted along a first direction, such arrangement can facilitate the assembly and installation of the pressure pump unit 3, and of course, in other embodiments of the present invention, the transmission assembly 31 and the pressure assembly 32 can also be directly fixed in the casing 1, only by ensuring the stable connection of the transmission assembly 31 and the pressure assembly 32 with the casing 1.

Specifically, the transmission assembly 31 is used for driving and connecting the driving motor 21 and the pressing assembly 32, in a preferred embodiment of the present invention, the transmission assembly 31 is a planetary gear assembly, and includes a planetary gear set 311, an output shaft 312 connected to the planetary gear set 311, and an inner gear ring 313 sleeved outside the planetary gear set 312, further, the planetary gear set 311 has a plurality of planetary gears 3111 engaged with the inner teeth 3131 of the inner gear ring 313, and in a preferred embodiment of the present invention, a fixed portion 3112 is disposed on a side of the planetary gear set 311 facing away from the output shaft 312, and the planetary gear set 311 is rotatably connected to the housing 34 through a bearing 314 sleeved on the fixed portion 3112, so that the planetary gear set 311 is rotatably received in the housing 34.

Specifically, the extended end of the driving shaft 211 is provided with a motor tooth 212 engaged with the plurality of planetary gears 3111, that is, the driving motor 21 drives the planetary gear set 311 to rotate through the driving shaft 211 during operation, and further drives the output shaft 312 arranged on the planetary gear set 311 to rotate, so as to drive the operation of the pressurizing assembly 32.

The pressurizing assembly 32 includes an actuated mechanism 321 in transmission connection with the driving motor 21 and a plunger 322 connected with the actuated mechanism 321. In the present invention, the driven mechanism 321 includes a driven shaft 323 drivingly connected to the transmission assembly 31 and a linkage structure 324 rotationally connected to the driven shaft 323.

In the present invention, the driven shaft 323 is provided coaxially with the driving shaft 211 in the first direction, and includes a shaft body 3231 provided in a spherical shape, and a first fixing portion 3232 and a second fixing portion 3233 extending in the first direction, and the first fixing portion 3232 and the second fixing portion 3233 are positioned on the same straight line. Specifically, the first fixing portion 3232 is connected to an end portion of the output shaft 312 extending therefrom so as to be rotated by the driving of the driving motor 21 via the planetary gear set 311, and the second fixing portion 3233 is rotatably fixed in the housing 34 by a rotary bearing 325 fitted thereon.

The linkage structure 324 includes a linkage outer ring 3241 rotatably connected to an outer peripheral surface of the shaft body 3231, and a linkage rod 3242 disposed on an outer wall of the linkage outer ring 3241, specifically, an inner wall surface of the linkage outer ring 3241 is provided with a groove (not numbered) disposed corresponding to the outer peripheral surface of the shaft body 3231, and the linkage outer ring 3241 slides back and forth on the outer peripheral surface of the shaft body 3241 along a first direction through the groove to further drive the linkage rod 3242 disposed on the outer wall of the linkage outer ring 3241 to swing along the first direction.

The plunger 322 is movably connected with the linkage 324, and the extending direction of the plunger 322 is parallel to the first direction. Specifically, the plunger 322 has a first end 3221 for connecting the linkage structure 324 and a second end 3222 for pressurizing, in the preferred embodiment of the present invention, the linkage structure 324 is drivingly connected to the first end 3221 by a driving pin 327, the first end 3221 has a groove 3224 for accommodating the linkage structure 324, and the driving pin 327 penetrates through the first end 3221 and the linkage structure 324 to connect the fixed driven mechanism 321 and the plunger 322, so as to drive the plunger 322 to reciprocate in the pump body 33 along the first direction under the driving of the driven shaft 323 through the linkage structure 423.

Further, a first pump chamber (not numbered) extending in the first direction and connected to the pump body 33 is provided in the housing 34, and the plunger 322 is slidably received in the first pump chamber to prevent the plunger 322 from being displaced during use to cause abnormal use of the high pressure washer 100. in this application, a sealing structure 326 is provided between the plunger 322 and the first pump chamber, and specifically, the sealing structure 326 is provided at an end of the first pump chamber near the actuated mechanism 321 to prevent liquid/gas leakage of the plunger 322 during pressurization.

In a preferred embodiment of the present invention, the second end 3222 of the plunger 322 is further provided with a spring (not numbered), so that the reciprocating impact caused by the plunger 322 can be effectively buffered, and the safety of the high pressure cleaning machine 100 can be effectively improved.

The pump body 33 is positioned outside the housing 34 and is hermetically connected with the housing 34; specifically, the pump body 33 includes a second pumping chamber 331 provided corresponding to the plunger 322, a water inlet 332 communicated with the second pumping chamber 331 for feeding water, and a water outlet 333 provided corresponding to the shower unit 4.

In the invention, the water inlet 332 is detachably connected with the pump body 33, and the one-way valves 35 are arranged between the water inlet 332 and the pump body 33 and between the water outlet 333 and the pump body 33 to prevent the liquid in the pump body 33 from reversely flowing out, so as to effectively improve the pressurizing effect of the pressurizing pump component 3.

The spraying part 4 comprises a nozzle assembly 41 and a pipeline 42 for connecting the nozzle assembly 41 and the pump body 33, in the present invention, the nozzle assembly 41 is used for performing spraying and can adjust the water flow and the water flow form of the spraying, and further, the specific type of the nozzle assembly 41 can be selected according to the actual requirement without limitation. The pipeline 42 is used for connecting the pump body 33 and the nozzle assembly 41, and in the invention, the pipeline 42 is detachably connected with the pump body 33, so that the replacement and installation of the spraying assembly 4 are convenient.

Further, the high pressure washing machine 100 further includes a control assembly 5 accommodated in the housing 1 and electrically connected to the driving part, in the present invention, the control assembly 5 includes a control switch (not numbered) and a control circuit board (not shown) for electrically connecting the control switch and the driving part, and in this embodiment, the control switch is disposed on the main handle 111 to facilitate the user to operate the high pressure washing machine 100.

When the high-pressure cleaning machine 100 is used, the control component 5 controls the power supply component 22 to supply power to the driving motor 21, controls the driving motor 21 to start running, drives the shaft body 3231 to rotate through the motor teeth 212 by the driving shaft 211, further drives the linkage structure 324 to drive the plunger 322 to reciprocate along the first direction, and when the plunger 322 moves towards the driving motor 21 along the first direction, the pump body 33 absorbs water into the pump body 33 through the water inlet pipe connected to the water inlet 332; when the plunger 322 moves in a first direction away from the drive motor 21, water in the pump body 33 is compressed and enters the conduit 42 along the water outlet 333, eventually cleaning the object via the nozzle assembly 41.

In summary, the present invention, by providing the structure of the pressure pump component 3 of the high pressure cleaning machine 100, converts the high-speed rotation of the driving motor 21 into the reciprocating linear motion of the plunger 322 through the driven mechanism 321, and effectively reduces the volume and weight of the high pressure cleaning machine 100 in the prior art while ensuring the pressure effect of the pressure pump component 3, so that the external dimension of the high pressure cleaning machine 100 is more compact, and the operation flexibility and the use efficiency of the high pressure cleaning machine 100 are effectively improved.

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.

Claims

1. A high pressure cleaner comprising:

a housing;

a driving part including a driving motor accommodated in the housing;

a pump member housed in the casing and including a transmission assembly, a pressurizing assembly, and a pump body; and

the spraying component comprises a nozzle assembly, and the spraying assembly is connected with the pump body pipeline;

the method is characterized in that: the pressurizing assembly comprises a driven mechanism connected with the driving motor in a transmission mode and a plunger connected with the driven mechanism, the driven mechanism is provided with a driven shaft connected with the driving assembly in a transmission mode and a linkage structure connected with the driven shaft in a rotating mode, the plunger is movably connected with the linkage structure, the linkage structure can drive the plunger to reciprocate in the pump body under the driving of the driven shaft, the driving shaft of the driving motor and the driven shaft are coaxially arranged along a first direction, and the extending direction of the plunger is parallel to the first direction.

2. The high pressure washer according to claim 1, wherein: the driven shaft is provided with a shaft body which is arranged in a spherical shape, and a first fixing part and a second fixing part which extend along the first direction, and the first fixing part and the second fixing part are positioned on the same straight line.

3. The high pressure washer according to claim 2, wherein: the first fixing part is in transmission connection with the transmission assembly; the second fixing portion is fixed in the housing through a rotary bearing.

4. The high pressure washer according to claim 3, wherein: the linkage structure comprises a linkage outer ring and a linkage rod, the linkage outer ring is rotatably connected with the outer peripheral surface of the shaft body, the linkage rod is arranged on the outer wall of the linkage outer ring, and the shaft body of the driven shaft rotates to drive the linkage rod to swing along the first direction.

5. The high pressure washer according to claim 1, wherein: the plunger is provided with a first end used for being connected with the linkage mechanism and a second end used for pressurizing, the linkage mechanism is in transmission connection with the first end through a transmission pin, and the first end is provided with a groove used for containing the linkage mechanism.

6. The high pressure washer according to claim 1, wherein: the pressurizing pump assembly further comprises a shell used for accommodating the transmission assembly and the pressurizing assembly, and the pump body is located outside the shell and connected with the shell in a sealing mode; the shell is internally provided with a sliding groove extending along the first direction, the plunger is accommodated in the sliding groove, and a sealing structure is arranged between the plunger and the sliding groove.

7. The high pressure washer according to claim 1, wherein: the transmission assembly is a planetary gear assembly and comprises a planetary gear, an output shaft connected with the planetary gear and an inner gear ring sleeved on the outer side of the planetary gear, and the inner gear ring is fixedly accommodated in the shell; the planetary gear is in transmission connection with a driving shaft of the driving component through motor teeth.

8. The high pressure washer according to claim 1, wherein: the pump body include with the plunger correspond the pressure port that sets up, be used for into water the water inlet and with spray component corresponds the delivery port that sets up, the water inlet with the connection can be dismantled to the pump body, just the water inlet with between the pump body the delivery port with be equipped with check valve between the spray component.

9. The high pressure washer according to claim 1, wherein: the high-pressure cleaning machine further comprises a control assembly accommodated in the shell and electrically connected with the driving part, a handle assembly used for holding the high-pressure cleaning machine is formed on the shell, and the control assembly comprises a control switch arranged on the handle assembly.

10. The high pressure cleaner of claim 9, wherein: the high-pressure washer still includes the power supply subassembly, the power supply subassembly can dismantle the connection be in the tip that the handle subassembly extends, just the power supply subassembly respectively with driving motor with control assembly electric connection.