Plunger type water pump and water toothpick
A plunger type, water pump technology, applied in variable capacity pump components, pump components, machines/engines, etc., can solve the problem of O-ring and pump body sealing performance degradation, O-ring wear, reduced service life, etc. problems, to achieve the effect of facilitating production and preparation, prolonging service life and ensuring sealing
Inactive Publication Date: 2021-10-22
NINGBO JIAYIN ELECTRICAL & MECHANICAL TECH CO LTD
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Problems solved by technology
However, due to the contact fit between the O-ring and the pump body, when the plunger rod drives the O-ring to reciprocate relative to the pump body, there will be frictional resistance between the O-ring and the pump body, which will cause The wear of the O-ring seal leads to a decrease in the sealing performance between the O-ring and the pump body, which in turn causes water and air leakage problems of the suction pump, reducing the service life of the product
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[0030] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0031] 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 the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention.
[0032] see Figure 1-Figure 4 , The plunger-type water pump pro...
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The invention sets forth a plunger type water pump and a water toothpick. The plunger type water pump comprises a shell cover, and further comprises a three-way bin body a water pushing plunger, a sealing membrane and a driving assembly which are arranged in the shell cover; the three-way bin body and the sealing membrane are assembled and sealed, and the three-way bin body and the sealing membrane are matched to form a pump pressure cavity; the water pushing plunger is arranged in the pump pressure cavity and is in clearance fit with the inner wall of the three-way bin body; and the driving assembly can drive the water pushing plunger to reciprocate relative to the three-way bin body through the sealing membrane so as to control water inlet and outlet of the pump pressure cavity. When the plunger type water pump works, friction resistance does not exist between the water pushing plunger moving in the reciprocating mode and the three-way bin body, the influence on assembling sealing between the three-way bin body and the sealing membrane is avoided, the sealing performance of the plunger type water pump during working is ensured, and then the effect of prolonging the service life of the plunger type water pump is achieved.
Description
technical field [0001] The invention belongs to the technical field related to tooth washer, in particular to a plunger type water pump and tooth washer. Background technique [0002] At present, the existing water pump on the toothwasher is usually a plunger-type water pump, and the pressure change in the pump body produced by the continuous reciprocating movement of the plunger rod in the pump body realizes the control of the water in and out of the toothwasher. [0003] Among them, the sealing structure between the plunger rod and the pump body on the plunger type water pump usually adopts an O-shaped sealing ring on the plunger rod, and the contact and cooperation between the O-shaped sealing ring and the pump body is used to realize the alignment of the column. The assembly seal between the plug rod and the pump body. However, due to the contact fit between the O-ring and the pump body, when the plunger rod drives the O-ring to reciprocate relative to the pump body, th...
Claims
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IPC IPC(8): F04B53/14F04B53/16F04B53/00
CPCF04B53/143F04B53/162F04B53/16F04B53/00
Inventor 谭文拯马旺张平
Owner NINGBO JIAYIN ELECTRICAL & MECHANICAL TECH CO LTD