CN205816285U - Hand-held pressure washer - Google Patents

Abstract

This utility model relates to a kind of hand-held pressure washer, has housing, it is characterised in that described hand-held pressure washer includes: driver part, is arranged in housing, has the pump for outwards conveying current and the motor of driving pump work；Control parts, be electrically connected with described driver part, be used for controlling described motor and be operated；DC source interface, is arranged at one end of described housing, and described driver part passes through the described external direct current driving power supply of DC source interface, makes direct current driving power supply provide electric energy by this DC source interface for described motor.It is operated above by this direct power drives hand-held pressure washer, in the case of so staff does not possess domestic 220V alternating current, hand-held pressure washer can be made to be operated by DC source, also make this hand-held pressure washer just can work without assemble, and then improve the portability of this hand-held pressure washer.

Description

Handheld Pressure Washers

technical field

The utility model relates to the cleaning field, in particular to a hand-held pressure washer.

Background technique

The appearance of pressure washer brings great convenience to people's life, and it can be used to clean as automobile, glass doors and windows, courtyard road etc., not only efficient but also safe and convenient.

In order to make the pressure washer easy to carry, a portable pressure washer has appeared on the market. The portable pressure washer is that a motor, a pump body and a spray port are integrated to be convenient for the staff to carry. At present, the portable pressure washer needs to be connected to household power such as AC power when it is working, so if the staff needs the above-mentioned portable pressure washer to work outside, because the portable pressure washer cannot be connected to the household power supply, it has caused certain troubles to the work of the staff. On the other hand, in order to solve this puzzlement of the staff, the portable pressure washer is equipped with a battery, but because the general portable pressure washer consumes a large amount of electricity, this requires a large charge in the battery, which causes the battery to Because of the heavy weight, it brings a lot of inconvenience to the staff.

Utility model content

Based on this, it is necessary to provide a portable pressure washer that does not need to be assembled with a battery to solve the above-mentioned technical problem that the portable pressure washer is inconvenient to carry and work because it is assembled with a battery.

A hand-held pressure washer, characterized in that it includes: a housing; a driving part, which is arranged in the housing, and has a pump for delivering water to the outside and a motor for driving the pump; a control part, which is used to control the motor work; the DC power interface is arranged on the housing, and the driving component is externally connected with a DC drive power through the DC power interface, so that the DC drive power supplies electric energy to the motor through the DC power interface.

The above-mentioned hand-held pressure washer is externally connected to a DC power supply through the DC power interface, and the hand-held pressure washer is driven to work through the direct power supply (such as a vehicle-mounted power supply). The portable pressure washer can work, and the hand-held pressure washer can work without batteries, thereby improving the portability of the hand-held pressure washer.

In one of the embodiments, the DC power interface is used to connect an external 0-18V DC power supply.

In one of the embodiments, the DC power supply is used for externally connecting a vehicle-mounted DC power supply.

In one of the embodiments, the housing further includes a battery pack interface for connecting an external battery pack so that the battery pack can drive the motor to work.

In one of the embodiments, the battery pack interface is arranged on one side of the DC power supply interface, so that when the battery pack interface is connected to a battery pack, it will cause interference to the DC power supply interface connected to the DC power supply.

In one of the embodiments, the housing includes a jetting part and a handle part perpendicular to the jetting part, and the DC power interface is arranged at the bottom of the handle part.

In one of the embodiments, the driving component is arranged in the injection part of the casing.

In one of the embodiments, the control part includes a control switch, which is arranged on one side of the handle part of the housing, and is used to control the operation of the motor.

In one of the embodiments, the handheld pressure washer also includes a liquid inlet pipe and a liquid outlet pipe, and the pump includes a liquid inlet connected to the liquid inlet pipe and a liquid outlet connected to the liquid outlet pipe. mouth.

In one of the embodiments, the pump is a plunger pump, a gear pump or a diaphragm pump.

Description of drawings

Fig. 1 is a schematic structural view of a hand-held pressure washer in a preferred embodiment of the present invention;

Fig. 2 is a schematic plan view of a power interface of a hand-held pressure washer according to a preferred embodiment of the present invention.

Of which: 100. Handheld pressure washer 110. Housing

120. Drive components 130. Control components

140. Power interface 111. Jetting part

112. Handheld unit 141. DC power interface

142. Battery pack interface 200. Battery pack

detailed description

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

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

As shown in Figure 1, this embodiment discloses a hand-held pressure washer 100, the hand-held pressure washer 100 can connect the water inlet and the water source through a water pipe, and the water flow is sprayed outward through the hand-held pressure washer 100 A certain pressure of water flow, and the water with a certain pressure is sprayed onto the surface of the object to achieve the effect of cleaning.

The above-mentioned hand-held pressure washer 100 includes a housing 110, a driving part 120, a control part 130 and a power interface 140. The housing 110 includes a spray part 111 and a hand-held part 112. In this embodiment, the hand-held part 112 is used for holding The handle, which is roughly shaped like a gun handle, is about 10 cm in size and is suitable for holding with one hand. Of course, the handle 112 can also be a D-shaped handle. Moreover, the center of the whole handheld pressure washer 100 is located at the position of the handle part 112 , when the user holds the handle part 112 with one hand, the whole handheld pressure washer 100 can be grasped. The above-mentioned driving part 120 and the control part 130 are arranged in the above-mentioned casing 110, and the driving part 120 includes a pump and a motor for driving the pump to work.

The pump of the driving component 120 and the motor driving the pump pass through the injection part 111 of the housing 110. The pump can be a plunger pump, a gear pump or a diaphragm pump. The pump generally includes a water inlet and a water outlet. One end of the water inlet is usually connected to a water source (such as a water bucket or a water outlet of tap water) through a water inlet, and the water outlet of the other end of the pump is connected to the water outlet of the housing 110. Spray water outward. The water outlet of the housing 110 is generally connected with a shower head, and generally the shower head is detachably connected with the water outlet of the housing 110, and the water outlet of the housing 110 can be externally connected with different shower head accessories to adjust water spraying. For example, the water outlet of the casing 110 is connected with a shower, so that it is convenient to take a bath. And a suspension mechanism may be provided at an appropriate position of the housing 110 . When needed, hang the shower head on the suspension mechanism, and then adjust the suspension mechanism to a high position to further facilitate bathing. The suspension mechanism may be a common annular ring or a hook or the like. In other embodiments, a massage nozzle can also be installed on the casing 110 , so that the water output from the nozzle is soft and gentle, and is suitable for performing water bath massage on the operator. In addition, a sharp cone can be connected outside the water outlet of the casing 110, and water can be sprayed from the head of the sharp cone, so that the speed of water outlet is faster and the pressure is stronger. Of course, a long linear water outlet bar can also be connected outside the housing 110, and the water sprayed from the water outlet bar can form a water curtain, or be connected outside to form a special-shaped nozzle, such as a flower shape, a peach shape, a heart shape, etc. The accessories of the spray head are not limited to the above list.

The control unit 130 is used to control the motor to work, specifically, the control unit 130 and the motor are connected by wires. The control part 130 may include a control switch, which is arranged on one side of the hand-held part 112 of the housing 110. When the user holds the hand-held part 112, he controls the motor of the drive part to work through the control switch. In the running state, the operator operates the control switch, so that the control switch conducts the circuit, and the control part can change the running state of the motor. Here, changing the operating state of the motor may be changing the operating parameters of the motor, such as the power of the motor, the direction of rotation of the motor, and the like. The above-mentioned control switch can control the motor to work at high and low speeds in a multi-level adjustment manner. For example, the control switch can be a toggle button, which has multiple different gears, high, medium and low. The operator selects the corresponding gear according to the demand. Of course, The control switch can also be in the form of a button, which means opening when pressed. It may be in the form of a knob that the operator turns to activate it. The control switch can also be adjusted in a stepless manner. For example, the control switch is a knob, and the knob can be adjusted arbitrarily around a circle or a semicircle. The control switch can also be a linkage safety switch to improve operational safety.

The power interface 140 is generally arranged at one end of the handle portion 112 of the housing 110, that is, at the end of the handle portion 112 opposite to the connection portion 111, so that when the power interface 140 is externally connected with a drive power, the wires for connecting the drive power will not Interfering with the operator's operation of the handheld pressure washer 100, the power interface 140 here may include a DC power interface 141 and a battery pack 200 interface 142, wherein the DC power interface 141 is used for an external DC drive power supply of 0-18V. When the power interface 141 is externally connected to a DC drive power supply (such as a vehicle power supply), the DC drive power supply can supply power to the motor provided with the housing 110 through the DC power interface 141, so that the motor drives the pump to work, and then the hand-held pressure washer 100 works; On the other hand, when the battery pack 200 interface 142 is externally connected to the battery pack 200, the battery pack 200 can supply power to the motor provided in the housing 110 through the battery pack 200 interface 142, so that the motor drives the pump to work, and then the hand-held pressure washer The machine 100 works.

In order to avoid that when the hand-held pressure washer 100 is working normally, the DC drive power supply and the battery pack 200 supply power to the motor at the same time, thereby causing damage to the hand-held pressure washer 100. One side of the interface 142 of the battery pack 200, when the battery pack 200 interface 142 is externally connected to the battery pack 200, the space occupied by the battery pack 200 at least partially covers the DC power interface, which interferes with the connection of the DC power interface to the DC drive power supply, causing The DC power interface 141 cannot be connected to an external drive power supply; similarly, when the DC power interface 141 is connected to an external DC power supply, the battery pack 200 needs to occupy at least part of the space covering the DC power interface, and at this time the DC power interface 141 has been connected to an external DC power supply. This causes the DC power interface to interfere with the access of the battery pack 200 and the battery pack 200 interface 142, making the battery pack 200 interface 142 unable to connect with the battery pack 200, thus avoiding the simultaneous access of the battery pack 200 and the DC power supply On the power interface, thereby causing damage to the hand-held pressure washer 100.

Of course, in the second preferred embodiment of the present utility model, a switching unit can be set between the DC power interface 141 and the battery pack 200 interface 142, and the switching unit can control the above-mentioned DC power interface 141 and the battery pack 200 interface 142. One supplies power to the motor. Specifically, the switch unit can be a two-way switch. When the operator needs to connect an external DC power supply through the DC power interface 141, the operator operates the switch to make the DC power interface 141 in a switchable state, and the battery pack The 200 interface 142 is in a non-connectable state, so that the DC drive power can be connected to the control unit 130 and the drive unit 120 through the above-mentioned DC power interface 141, and the battery pack 200 cannot supply power to the drive unit 120 through the battery pack 200 interface 142 .

According to experiments, it has been shown that the rated voltage of the battery pack 200 is not higher than 36 volts, which can meet the requirements for providing energy to the motor. To improve safety and prevent dangerous situations such as electric shock. In a preferred embodiment, the rated voltage of the DC drive power supply and the battery pack 200 may be 7.2 volts, 9.6 volts, 10.8 volts, 12 volts, 15 volts, 18 volts. In addition, the DC drive power supply can be a vehicle power supply, and the battery pack 200 can be a lithium battery or a nickel-cadmium battery, etc., so that the volume of the battery pack 200 will be relatively small, thereby helping to improve the portability of the entire handheld pressure washer. In this embodiment, the volume of the battery pack 200 is not greater than 3 decimeters. In a preferred embodiment, the volume of the battery pack 200 is about 1 cubic decimeter. In this embodiment, the battery pack 2007 is fixed on the handheld pressure washer 100 through a fixing element. As shown in FIG. 1 , a charging interface 26 is provided on the baffle 25 . The external power supply can be electrically connected to the battery pack 2007 on the device through the charging interface 26 for charging. In other embodiments, the battery pack 200 is also provided with a detachment mechanism connected to the housing 110, so that the battery pack 200 can be easily detached from the device for charging or replacement.

The above-mentioned hand-held pressure washer is externally connected to a DC power supply through the DC power interface, and the hand-held pressure washer is driven to work through the direct power supply (such as a vehicle-mounted power supply). The portable pressure washer can work, and the hand-held pressure washer can work without batteries, thereby improving the portability of the hand-held pressure washer.

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the utility model, and the description thereof is relatively specific and detailed, but it should not be understood as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (10)

1. a hand-held pressure washer, it is characterised in that including:

Housing；

Driver part, is arranged in housing, has the pump for outwards conveying current and the motor of driving pump work；

Control parts, be used for controlling described motor and be operated；

DC source interface, is arranged at described housing, and described driver part is by the described external DC driven of DC source interface Power supply, makes direct current driving power supply provide electric energy by this DC source interface for described motor.

Hand-held pressure washer the most according to claim 1, it is characterised in that described DC source interface is for external 0～18v DC source.

Hand-held pressure washer the most according to claim 2, it is characterised in that described DC source can be used for outer picking up Carry DC source.

Hand-held pressure washer the most according to claim 1, it is characterised in that described housing also includes that battery bag connects Mouthful, for external connection battery bag, make motor described in battery Packet driven be operated.

Hand-held pressure washer the most according to claim 4, it is characterised in that described battery packet interface is arranged at described The side of DC source interface, when making described battery packet interface external connection battery bag, to the described external unidirectional current of DC source interface Interference is caused in source.

Hand-held pressure washer the most according to claim 1, it is characterised in that described housing include ejection section and with institute Stating the Handheld Division that ejection section is vertical, described DC source interface is arranged at the bottom of described Handheld Division.

Hand-held pressure washer the most according to claim 6, it is characterised in that described driver part is arranged at described shell In the ejection section of body.

Hand-held pressure washer the most according to claim 6, it is characterised in that described control parts include that control is opened Close, be arranged at the side of the Handheld Division of described housing, be used for controlling the work of described motor.

Hand-held pressure washer the most according to claim 1, it is characterised in that described hand-held pressure washer also wraps Including feed tube, described pump includes the inlet being connected with described feed tube.

10. according to the hand-held pressure washer described in any one of claim 1-9, it is characterised in that described pump be plunger displacement pump, Gear pump or membrane pump.