CN210586069U

CN210586069U - Pressure cleaning machine

Info

Publication number: CN210586069U
Application number: CN201920963798.8U
Authority: CN
Inventors: 焦石平; 乔勇
Original assignee: Positec Power Tools Suzhou Co Ltd
Current assignee: Positec Power Tools Suzhou Co Ltd
Priority date: 2019-06-25
Filing date: 2019-06-25
Publication date: 2020-05-22
Anticipated expiration: 2029-06-25

Abstract

The utility model relates to a pressure washer, include: the main machine comprises a shell, a direct current power unit and an alternating current power unit; a spray gun in fluid communication with the water outlet, the liquid flowing out of the water outlet being capable of being sprayed outwardly through the spray gun; the water pipe is connected between the water outlet and the spray gun; the DC power unit with the work of interchange power unit independent work each other, DC power unit includes first pump, first motor and does first motor provides DC drive power supply's battery package, interchange power unit includes the second pump, the second motor with be used for doing the power cord that interchange power supply was connected to the second motor. The independent direct current/alternating current power units are configured, so that long-time endurance time can be met, the working range can be expanded, and the working efficiency is improved.

Description

Pressure cleaning machine

Technical Field

The utility model relates to a pressure washer especially relates to a power pack of pressure washer.

Background

Cleaning machines are widely used in domestic life and outdoor activities. In the home life centered on the home yard, people often need to clean balconies, walkways, outdoor tables and chairs, barbecue grills, cars, bicycles, garages, pets, garden tools, windows, swimming pools, outdoor steps, etc. Because the using scene of the articles is outside the house, the articles are inevitably stained with dirt, oil stains, leaves, accumulated dust and other stains, and the cleaning by using the rag is very inconvenient.

In order to meet the above requirements, pressure washers for domestic use have appeared on the market, which can be used to clean, for example, balconies, cars, doors and windows, yard roads, etc., both efficiently and conveniently. The existing pressure cleaning machine mainly comprises an alternating current pressure cleaning machine externally connected with alternating current and a direct current pressure cleaning machine externally connected with direct current. The alternating current pressure cleaning machine adopts alternating current as a power source, so that the alternating current pressure cleaning machine needs to be cleaned in places with alternating current, and the alternating current pressure cleaning machine cannot be used for cleaning in remote, open and unpowered places. The direct current pressure cleaning machine adopts direct current as a power source, and the direct current pressure cleaning machine cannot be used for working in occasions needing long-time work due to the fact that the battery capacity cannot guarantee long endurance time.

Therefore, it is necessary to provide a pressure washer which can satisfy a long-term endurance time, and can expand a working range and improve working efficiency.

SUMMERY OF THE UTILITY MODEL

For overcoming the defects of the prior art, the utility model aims to solve the problem that a pressure cleaning machine which can satisfy the long-time endurance and can enlarge the working range and has good cleaning efficiency is provided.

The utility model provides a technical scheme that prior art problem adopted is:

a pressure washer, comprising:

the main machine comprises a shell, a direct-current power unit and an alternating-current power unit, wherein the shell comprises a water inlet for introducing external liquid into the pressure washer and a water outlet for discharging the liquid outwards;

a spray gun in fluid communication with the water outlet, the liquid flowing out of the water outlet being capable of being sprayed outwardly through the spray gun;

the water pipe is connected between the water outlet and the spray gun;

the direct current power unit and the alternating current power unit work independently,

the direct-current power unit comprises a first pump, a first motor and a battery pack for providing direct-current driving power for the first motor, the first motor drives the first pump to pressurize external liquid introduced into the water inlet, and the pressurized liquid flows to the spray gun through the water pipe and is sprayed outwards;

the alternating current power unit comprises a second pump, a second motor and a power line, the power line is used for connecting the second motor with an alternating current power supply, the second motor drives the second pump to pressurize external liquid introduced into the water inlet, and the pressurized liquid flows to the spray gun through the water pipe and is sprayed outwards.

In one embodiment, the pressure washer further comprises a control mechanism disposed on the main machine, and the control mechanism is operable to control the on/off of the dc power unit or the ac power unit.

In one embodiment, the control mechanism includes a single control member connected to the main machine, the control member including a first position to control operation of the dc power unit and a second position to control operation of the ac power unit.

In one embodiment, the control mechanism comprises two control members connected to the host, and the two control members comprise a first control member and a second control member, the first control member and the second control member are arranged independently, the first control member controls the on-off of the direct-current power unit, and the second control member controls the on-off of the alternating-current power unit.

In one embodiment, the dc power unit is detachably connectable to the main machine, and the ac power unit is relatively fixedly connected to the main machine;

the direct current power unit comprises a first main housing, and the first motor and the first pump are supported in the first main housing;

the ac power unit includes a second main housing, and the second motor and the second pump are supported within the second main housing.

In one embodiment, the dc power unit is fully removably connectable to the main machine;

the battery pack and the first main shell are detachably mounted, and the first main shell and the battery pack can be detachably connected to the main machine; or

The battery pack is fixedly mounted with the first main housing, which is detachably mountable with the main body.

In an embodiment, the direct current power unit is adaptable to at least two different spray guns.

In one embodiment, a portion of the dc power unit is removably connectable to the main machine;

the first main shell is relatively fixedly connected to the main machine, and the battery pack can be detachably connected to the main machine or the first main shell; or

The first main housing can be detachably connected to the main unit, and the battery pack is relatively fixedly connected to the main unit.

In one embodiment, the number of the spray guns is one, the number of the water inlet and the number of the water outlet are both one, and after the external liquid is pressurized by the direct current power unit or the alternating current power unit through the water inlet, the external liquid is discharged from the water outlet and is sprayed out through the spray guns.

In one embodiment, the number of the spray guns is two, and the spray guns comprise a first spray gun in fluid communication with the direct-current power unit and a second spray gun in fluid communication with the alternating-current power unit, external liquid is pressurized by the direct-current power unit and then sprayed out through the first spray gun, and external liquid is pressurized by the alternating-current power unit and then sprayed out through the second spray gun;

the number of the water inlets and the number of the water outlets are respectively configured to be one, and external liquid enters the direct current power unit or the alternating current power unit through the water inlets and is discharged from the water outlets; or

The quantity of water inlet with the delivery port all configures into two, including with direct current power unit fluid intercommunication's first water inlet and first delivery port and with exchange second water inlet and the second delivery port of power unit fluid intercommunication, outside liquid warp first water inlet gets into direct current power unit follows first delivery port is discharged, and outside liquid warp the second water inlet gets into exchange power unit follows the second delivery port is discharged.

Compared with the prior art, the beneficial effects of the utility model are that: the use of different operating modes can be satisfied, the portability and the utilization rate of the tool are improved, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of the pressure washer of the present invention;

fig. 2 is a schematic structural diagram of a pressure washer according to an embodiment of the present invention.

FIG. 3 is a schematic illustration of the DC power unit of the pressure washer shown in FIG. 1;

FIG. 4 is a schematic diagram of the AC power unit of the pressure washer shown in FIG. 1;

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, a pressure washer 10 is shown that includes a main body 12, a spray gun, and a water line (not shown). As shown in fig. 1, the main unit 12 includes a housing 13, a dc power unit 14 and an ac power unit 16 disposed in the housing 13, the housing 13 includes a water inlet (not shown) for introducing external liquid into the pressure washer and a water outlet (not shown) for discharging the liquid outwards, the water outlet is connected to the spray gun through a water pipe, the external liquid is driven by the dc power unit 14 or the ac power unit 16, and the pressurized liquid flows to the spray gun through the water pipe and is sprayed outwards.

The dc power unit 14 includes a first pump 17, a first motor 142 for driving the first pump 17, a battery pack (not shown), a battery pack mounting portion for connecting with the battery pack to provide dc power to the first motor 142, and a first main housing (not shown) in which the first motor 142 and the first pump 17 are supported. The ac power unit 16 includes the second pump 18, a second motor 162 that drives the second pump 18, and a power cord for connecting an ac power source to the second motor 162, and a second main housing (not shown) in which the second motor 162 and the second pump 18 are supported. Specifically, the first motor 142 is a dc motor, and the second motor 162 is an ac motor.

Further, the dc power unit 14 and the ac power unit 16 work independently, and the pressure washer further includes a control mechanism for operatively controlling the on/off of the dc power unit 14 or the ac power unit 16. In this way, the independent dc power unit 14 and the independent ac power unit 16 are configured, and the corresponding dc/ac power units can be used under different working conditions, thereby satisfying the balance among the working time of the pressure washer, the working range of the pressure washer, and the cleaning efficiency.

Specifically, the control mechanism includes a dc control switch 22 and an ac control switch 24 located in the housing 13, and a dc conduction loop formed by the battery pack in the dc power unit 14 and the first main housing, and an ac conduction loop formed by the ac power source in the ac power unit 16 and the second main housing. It is understood that the dc control switch 22 and the ac control switch 24 may be electronic switches, or may be mechanical switches, and are not limited herein.

In particular, the control mechanism further comprises different control members which are independent from each other to control the circuit respectively, wherein the control members comprise a first control member and a second control member, the direct current control switch 22 is located on a rotating path of the first control member, the alternating current control switch 24 is located on a rotating path of the second control member, the first control member can control the direct current power input end to be connected in a rotating mode to control the direct current control switch to be turned on, and the second control member can control the alternating current power input end to be connected in a rotating mode to control the alternating current control switch to be turned on. In other embodiments, a single control element may be included, where the dc control switch 22 is located on a rotation path along which the control element rotates in a first direction, and the ac control switch 24 is located on a rotation path along which the control element rotates in a second direction opposite to the first direction, when the control element rotates in the first direction to control the connection of the dc power input terminal, the dc control switch is controlled to be turned on, and when the control element rotates in the second direction to control the connection of the ac power input terminal, the ac control switch is controlled to be turned on, which also achieves the effect of the control circuit.

In particular, the control member may be a knob switch or a toggle switch. In particular, as shown in the embodiment of FIG. 2, the control member may be a rotary switch 26, the rotary switch 26 being pivotally connected to the host 12 and configured to be operatively movable in at least one direction. In particular, in some embodiments, the dc control switch 22 and the ac control switch 24 are both mechanical switches. The mechanical dc control switch 22 is located in a rotational path of the rotary knob switch 26 rotating in a first direction, and the mechanical ac control switch 24 is located in a rotational path of the control member rotating in a second direction opposite to the first direction. When the knob switch 26 rotates along the first direction to control the connection of the direct current power input end, the mechanical direct current control switch 22 is controlled to be turned on; when the control member rotates in the second direction, the AC power input end connection can be controlled, and the mechanical AC flow control switch 24 is controlled to be turned on.

More specifically, the rotary switch 26 is provided with a pivotally connected switch lever 28 along two opposite rotation paths, the operating knob 26 is provided with a shift point 23, and when the rotary switch 26 is rotated to a position along a first direction (counterclockwise direction), the switch lever 28 is pushed to trigger the mechanical dc control switch 22 to be turned on. When the rotary switch 26 is rotated in a second direction (clockwise) to another position, another switch lever 28 is pushed to trigger the mechanical ac control switch 24 to conduct. In this way, it is achieved that the power supply by the direct current power source or the alternating current power source is operatively controlled.

Specifically, the pressure washer 10 is a pedestal type pressure washer 10, and since the second pump 18 is heavy in weight, as a preferred embodiment, the AC power unit 16 is relatively fixedly mounted to the main frame 12 in view of weight and ease of installation and use. The direct current power unit 14 can be detached and used independently, and is directly connected with the spray gun through a water pipe to form a complete electric tool for performing the work performed by the electric tool of the type. Like this, owing to set up direct current power pack 14 into independent individual for this independent individual can adapt to other spray guns, forms new electric tool, has improved the utilization ratio of each part, and then improves user's input-output ratio. It is understood that the first main housing and the battery pack may be separately or integrally disposed, for example, in some embodiments, the battery pack and the first main housing may be detachably mounted to the main unit, respectively. In other embodiments, the battery pack may also be fixedly mounted on the first main housing, and the first main housing is detachably mounted on the main machine.

Specifically, a battery pack is detachably mounted with the first main housing, and the battery pack is detachably mounted in the main unit 12. The main unit 12 is provided with the battery pack mounting portion, and the battery pack is detachably connected to the battery pack mounting portion. Specifically, the battery pack mounting portion may be a mounting groove, a receiving cavity for receiving a battery pack, or other connecting structure for mounting the battery pack in the host 12. In some embodiments, the battery pack mounting portion may further include a wiring bar for electrically connecting with the battery pack, and the wiring bar and the host 12 may be integrally formed or detachably connected; the wiring row comprises a base provided with a butt joint surface and a plurality of connecting terminals fixedly held in the base. When the battery pack is arranged on the battery pack installation part, the battery pack can be matched with the butt joint surface and is electrically connected with the corresponding connecting terminal.

Of course, the detachable form of the battery pack and the host 12 may be other forms, and is not limited herein, for example, the host 12 may have a docking space for the battery pack to be inserted, and the bottom of the docking space may be provided with a connection terminal to be docked with a terminal of the battery pack. In short, the design needs to be comprehensively considered in consideration of the reliability, sealing property, water resistance, and the like of the connection between the battery pack and the host 12.

Thus, whether the battery needs to be provided on the host 12 can be selected according to the actual working conditions, thereby improving portability and operability.

For another example, the first main housing is relatively fixedly attached to the main unit 12, and the battery pack is detachably attached to the main unit 12. Of course, the first main housing is also removably attached to the main unit 12, and the battery pack is relatively fixedly attached to the main unit 12.

It is understood that the connection manner of the first main housing and the battery pack to the main unit can be determined according to different requirements, and is not illustrated nor limited herein.

In view of the mobile portability of the pressure washer 10 and the replacement and charging of the battery pack, as a further preferred embodiment, the battery pack can be detachably mounted to the main body or the first main housing.

Specifically, the AC power unit 16 is relatively fixedly mounted to the main machine 12. The second main shell and the power line can be arranged in a split mode or can be arranged integrally and are always connected. For example, in some embodiments, the power cord and the second main housing can be mounted on the main body separately, and in other embodiments, the power cord can also be mounted on the second main housing, which is not limited herein.

When a user needs home cleaning, for example, the battery pack is mounted on the main body, and then the washing is performed by controlling the direct current power unit 14 to drive. When a house or a courtyard is cleaned, the alternating current power unit 16 can be selected to drive the house or the courtyard to clean, so that long-time and high-power cleaning is realized, and diversified requirements of users are met. Therefore, the corresponding direct current/alternating current power unit can be used under different working conditions, so that the portability of the pressure washer is improved, and the balance among the working time of the pressure washer, the working range of the pressure washer and the cleaning efficiency is met under different working conditions.

Further, the pressure washer further includes a water pipe (not shown) and a spray gun (not shown) detachably mounted on the water outlet of the housing. Specifically, a first end of the water pipe is connected with the water outlet of the housing 13, and the other end of the water pipe is connected with the spray gun.

The main body 12 of the pressure washer 10 is provided with a water inlet for connecting external liquid and a water outlet for discharging pressure liquid outwards. In some embodiments, the pressure washer 10 may not have a tank for storing a water supply itself, but rather may be connected to a hose (not shown) through a water inlet provided in the main unit 12, which in turn is connected to an external water supply, which may be a pond, tap water, or provided by a container device similar to a tank or tank.

In some embodiments, the pressure washer 10 includes a spray gun, the housing 13 of the pressure washer 10 is provided with a water inlet and a water outlet, and in the dc power mode or the ac power mode, external liquid enters the housing 13 through the same water inlet, and is discharged from the same water outlet after being pressurized, and the liquid flows to the spray gun through the water pipe and is sprayed outward.

In other embodiments, the pressure washer 10 includes two spray guns, a first spray gun connected to a DC power unit and a second spray gun connected to an AC power unit. In the direct-current power mode, external liquid is pressurized by the direct-current power unit 14 and then is sprayed out of the first spray gun; in the AC power mode, the external liquid is pressurized by AC power unit 16 and then sprayed outwardly from the second spray gun.

Specifically, the housing 13 may have a single water inlet and a single water outlet, and in the ac/dc operation mode, external liquid enters through the same water inlet, is discharged from the same water outlet, and is sprayed out through the spray gun.

Specifically, the number of the water inlets and the water outlets on the housing 13 may be two, and the two water inlets and the two water outlets include a first water inlet and a first water outlet connected to the direct-current power unit, and a second water inlet and a second water outlet connected to the alternating-current power unit, in the direct-current power mode, an external water source flows into the pressure washer 10 through the first water inlet, and flows out from the first water outlet after being pressurized, and flows to the first spray gun through the water pipe to be sprayed outward; under the alternating current power mode, an external water source flows into the pressure cleaning machine 10 through the second water inlet, flows out of the second water outlet after being pressurized, flows to the second spray gun through the water pipe and is sprayed outwards, and under the two working modes, the two working modes work independently and do not interfere with each other.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A pressure washer, comprising:

the water pipe is connected between the water outlet and the spray gun;

it is characterized in that the direct current power unit and the alternating current power unit work independently,

2. The pressure washer of claim 1, further comprising a control mechanism disposed on the main machine, the control mechanism operable to control the on/off of the DC power unit or the AC power unit.

3. The pressure washer of claim 2, wherein the control mechanism comprises a single control member connected to the main machine, the control member comprising a first position to control operation of the dc power unit and a second position to control operation of the ac power unit.

4. The pressure washer of claim 2, wherein the control mechanism comprises two control members connected to the main machine, including a first control member and a second control member, the first control member and the second control member being independent of each other, the first control member controlling the on/off of the dc power unit, the second control member controlling the on/off of the ac power unit.

5. The pressure washer of claim 1, wherein the dc power unit is removably connectable to the main machine, and the ac power unit is relatively fixedly connected to the main machine;

6. The pressure washer of claim 5, wherein the DC power unit is fully removably connectable to the main machine;

7. The pressure washer of claim 6, wherein the direct current power unit is adaptable to at least two different spray guns.

8. The pressure washer of claim 5, wherein a portion of the DC power unit is removably connectable to the main machine;

9. The pressure washer according to claim 1, wherein the number of the spray guns is one, the number of the water inlet and the number of the water outlet are both one, and external liquid is pressurized by the direct current power unit or the alternating current power unit through the water inlet, discharged from the water outlet and sprayed out through the spray guns.

10. The pressure washer of claim 1, wherein the number of spray guns is two, and comprises a first spray gun in fluid communication with the dc power unit and a second spray gun in fluid communication with the ac power unit, wherein the external liquid is pressurized by the dc power unit and then sprayed out through the first spray gun, and wherein the external liquid is pressurized by the ac power unit and then sprayed out through the second spray gun;