Plunger pump and cleaning machine
A plunger pump and plunger technology, applied in the field of cleaning machines, can solve the problems of increasing the assembly and disassembly of a rotating shaft and a swash plate, and achieve the effect of simplifying assembly
Active Publication Date: 2017-09-15
SUZHOU ALTON ELECTRICAL & MECHANICAL IND
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- Description
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- Application Information
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Problems solved by technology
[0002] In the prior art, the plunger pump is provided with a swash plate with a shaft hole, a shaft for driving the swash plate to rotate, a thrust bearing assembled on the swash plate, a number of plunger assemblies pressed against the thrust bearing, the shaft and the swash plate For fixed assembly together, a locking mechanism can be arranged between the rotating shaft and the swash plate, such as fixing the rotating shaft and the swash plate with screws, or fixing the rotating shaft and the swash plate through a high-tight interference fit between the rotating shaft and the swash plate. After the rotating shaft and the swash plate are fixed together, the plunger assembly installed later will be pressed against the thrust bearing under the action of its return spring. However, the above method increases the difficulty of assembling and disassembling the rotating shaft and the swash plate
Method used
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[0033] The technical solutions of the embodiments of the present invention will be explained and described below in conjunction with the accompanying drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, not all of them. Based on the examples in the implementation manners, other examples obtained by those skilled in the art without making creative efforts all belong to the protection scope of the present invention.
[0034] Washing machine is a kind of common cleaning equipment, and is usually used for cleaning cars, especially small cars, walls, floors, booths, etc. The cleaning machine includes a plunger pump, a casing, wheels, a handle, a water inlet pipe with a water connector, a water outlet hose with a connector, and a water gun. Wheels are located on the bottom of the washer to move the washer. A handle is connected to the shell, and the handle is arranged on the top or side of the w...
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The invention discloses a plunger pump which comprises a swash plate, a rotating shaft and a plurality of plunger components; a rotating shaft hole is formed in the swash plate; the rotating shaft is used to drive the swash plate to rotate; the rotating shaft is inserted into the rotating shaft hole; the plunger components directly or indirectly push against the swash plate to prevent the swash plate from moving in the axial direction of the rotating shaft; and when the plunger pump is inverted and direct or indirect pushing on the swash plate by the plunger components is removed, the swash plate can slide downwards along the rotating shaft under the action of the gravity of the swash plate. According to the scheme, through the direct or indirect pushing on the swash plate by the plunger components, the swash plate is prevented from moving in the axial direction of the rotating shaft, and the swash plate can slide downwards along the rotating shaft under the action of the gravity of the swash plate after escaping from the pushing of the plunger components, so that mutual locking between the rotating shaft and swash plate is avoided, the assembly of the rotating shaft and the swash plate is simplified, and during dismounting, the swash plate can be withdrawn from the rotating shaft conveniently and rapidly after the plunger components are removed.
Description
【Technical field】 [0001] The invention relates to a plunger pump and its associated washing machine. 【Background technique】 [0002] In the prior art, the plunger pump is provided with a swash plate with a shaft hole, a shaft used to drive the swash plate to rotate, a thrust bearing assembled on the swash plate, a number of plunger assemblies pressed against the thrust bearing, the shaft and the swash plate For fixed assembly together, a locking mechanism can be arranged between the rotating shaft and the swash plate, such as fixing the rotating shaft and the swash plate with screws, or fixing the rotating shaft and the swash plate through a high-tight interference fit between the rotating shaft and the swash plate. After the rotating shaft and the swash plate are fixed together, the subsequently installed plunger assembly will press against the thrust bearing under the action of its return spring. However, the above method increases the difficulty of assembling and disassem...
Claims
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IPC IPC(8): F04B1/16F04B53/22
CPCF04B1/16F04B53/22
Inventor 陆为东陈海辉
Owner SUZHOU ALTON ELECTRICAL & MECHANICAL IND