Hand-held high-pressure cleaning machine and adapter

Patent metadata

Field	Value
Publication number	US-10933433-B2
Application number	US-201715562486-A
Country	US
Kind code	B2
Filing date	Sep 20, 2017
Priority date	Mar 16, 2017
Publication date	Mar 2, 2021
Grant date	Mar 2, 2021

Abstract

A hand-held high-pressure cleaning machine includes: a housing, having a handle for grasping; functional components, including a motor and a pump driven by the motor; and a liquid inlet, disposed on the housing and capable of being connected to an external water source by a water pipe. The hand-held high-pressure cleaning machine further includes an adapter suitable to be connected between the liquid inlet and a portable container, and is connected to the external water source by the water pipe or connected to the portable container by the adapter. In the present invention, the portable container configured to hold liquid is mounted to the hand-held high-pressure cleaning machine by using the adapter, so that it can be flexibly moved together with the hand-held high-pressure cleaning machine. The present invention further provides an adapter suitable to be connected between a portable container and a hand-held spraying device.

First claim

What is claimed is:

1. A hand-held pressure cleaning machine, comprising:
a housing, having a handle for grasping;
functional components, comprising a motor and a pump driven by the motor which are disposed in the housing; and
a liquid inlet, disposed on the housing and capable of being connected to an external water source by using a water pipe,
wherein the hand-held pressure cleaning machine further comprises an adapter suitable to be connected between the liquid inlet and a portable container, and
wherein the hand-held pressure cleaning machine is connected to the external water source by using the water pipe connected to the liquid inlet or connected to the portable container by using the adapter, the adapter comprising:
an adapter body,
wherein the adapter body comprises a first connection portion, the first connection portion comprising a first connection end and a second connection end in communication with each other, the first connection end configured to connect to the liquid inlet, the second connection end configured to connect to an opening of the portable container, and
wherein the adapter body further comprises a second connection portion, the second connection portion being disposed on the inside of the first connection portion, and a cavity formed between the second connection end and the second connection portion, the cavity configured to receive the opening of the portable container.

2. The hand-held pressure cleaning machine according to claim 1 , wherein the adapter further comprises a liquid conveying tube, one end of the liquid conveying tube being connected to or integrally molded on the adapter body or on the second connection portion, and the other end of the liquid conveying tube is suitable to extend into the portable container.

3. The hand-held pressure cleaning machine according to claim 2 , wherein an internal thread thread-connected to the portable container is formed in the second connection end.

4. The hand-held pressure cleaning machine according to claim 3 , wherein the inner diameter of the second connection end is 28 mm.

5. The hand-held pressure cleaning machine according to claim 3 , wherein multiple protrusions are disposed on an outer wall of the second connection end, the multiple protrusions configured to provide a contact surface abutting against a hand of an operator to reduce torque of screwing the adapter.

6. The hand-held pressure cleaning machine according to claim 2 , wherein the liquid inlet is connected to a connection head of the water pipe or the first connection end.

7. The hand-held pressure cleaning machine according to claim 2 , wherein a breather hole in communication with the portable container is formed on the adapter body.

8. The hand-held pressure cleaning machine according to claim 1 , wherein the hand-held pressure cleaning machine further comprises a filter washer disposed at the liquid inlet, the housing being provided with a mounting portion fitted to the adapter, and the filter washer is sealed and mounted in the mounting portion.

9. The hand-held pressure cleaning machine according to claim 1 , wherein the portable container is a common beverage bottle.

10. The hand-held pressure cleaning machine according to claim 1 , wherein the portable container is fitted to one end of the adapter, the hand-held pressure cleaning machine is fitted to the other end of the adapter, the portable container comprises a bottom surface supporting the portable container, and when the portable container is connected to the hand-held pressure cleaning machine by using the adapter, the center of gravity of the hand-held pressure cleaning machine is within the vertical space at or above the bottom surface of the portable container, and the hand-held pressure cleaning machine can be supported above the portable container.

Assignees

• Positec Power Tools Suzhou Co Ltd

Inventors

• Gerhardt Graham
• Martin Brandon
• Duncan Thomas

Classifications

• B08B3/026 Primary

  Cleaning by making use of hand-held spray guns; Fluid preparations therefor · CPC title

• B05B9/0861 Primary

  the motor being electric · CPC title

• B08B2203/0223

  Electric motor pumps · CPC title

• B05B9/0894 Primary

  Gun with a container which, in normal use, is located above the gun · CPC title