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Plunger piston shoe assembly

A plunger and sliding shoe technology, which is applied in the field of plunger sliding shoe components, can solve the problems of irregular shape of the sliding shoe, inconvenient extrusion and rolling of the sliding shoe, and achieve the effects of uniform shape, convenient rolling and convenient processing

Pending Publication Date: 2022-07-01
NINGBO PAIRUISEN HYDRAULIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Due to the irregular shape of the shoe, when the shoe is squeezed and rolled, it is necessary to adapt the shoe to make the corresponding tooling, which is inconvenient for the shoe to squeeze and roll

Method used

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  • Plunger piston shoe assembly
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Examples

Experimental program
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Effect test

Embodiment Construction

[0037] Attached to the following Figure 1-8 This application will be described in further detail.

[0038] Embodiments of the present application disclose a plunger shoe assembly.

[0039] refer to figure 1 and figure 2 , a plunger sliding shoe assembly, including a sliding shoe 1, a plunger 2, a matching restricting assembly and a tightening ring 5, the sliding shoe 1 sequentially includes a connecting portion 11, a middle portion 12 and a neck portion 13 with diameters reduced in turn. The connection between the part 11 and the middle part 12 is provided with an undercut 14 , the undercut 14 is opened obliquely, and the undercut 14 is inclined in the direction of the connecting part 11 along the depth direction, and the inclination of the push groove is 45 degrees.

[0040] refer to image 3 , the sliding shoe 1 is integrally provided with a ball head 15, the ball head 15 is arranged at the end of the neck 13 away from the middle part 12, the diameter of the ball head ...

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PUM

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Abstract

The invention relates to a plunger piston shoe assembly, and belongs to the technical field of plunger pumps. The sliding shoe comprises a sliding shoe body and a plunger, the sliding shoe body is integrally provided with a ball head, the plunger is provided with a ball head groove for installation of the ball head, a neck part used for relative movement of the sliding shoe body and the plunger is arranged between the ball head and the sliding shoe body, and the section of the ball head groove in the installation direction of the ball head is in a major arc shape. The plunger piston shoe has the effect of being convenient to produce and assemble.

Description

technical field [0001] The present application relates to the field of plunger pumps, and in particular, to a plunger sliding shoe assembly. Background technique [0002] The plunger shoe assembly is a key component in the swash plate type plunger pump. As the swash plate rotates relative to the cylinder body, the extrusion stroke of the plunger depends on the swash plate to push the sliding shoe and the plunger, so that the plunger retracts into the cylinder hole; while the suction stroke of the plunger relies on the concentrated spring to pass through the return plate and the shoulder of the sliding shoe Pull the plunger out of the cylinder bore. Since the sliding shoe swings relative to the plunger, a spherical hinge connection must be used between the sliding shoe and the plunger. [0003] The ball head and the plunger of the plunger shoe assembly of the traditional plunger pump are one-piece structure. The sliding shoe is made of plastic material with a large elongat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B1/2014F04B1/2085F04B53/00
CPCF04B1/2014F04B1/2085F04B53/00
Inventor 张大松
Owner NINGBO PAIRUISEN HYDRAULIC CO LTD
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