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Quantitative valve and quantitative injection system

A technology of injection system and quantitative valve, which is applied in the direction of lubricating oil control valve, engine components, engine lubrication, etc., can solve the problems of easily scratched sealing ring, leakage, time-consuming and labor-intensive, etc.

Pending Publication Date: 2018-11-30
BEIJING CMRC SCI & TECH DEV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there are currently many quantitative valve parts for quantitative filling of grease on the market, which are time-consuming and labor-intensive to assemble. When the parts cooperate with each other, they are prone to loosening and shifting, resulting in inaccurate quantitative discharge. When the plunger moves, it is easy to scratch the sealing ring, causing leakage problems

Method used

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  • Quantitative valve and quantitative injection system
  • Quantitative valve and quantitative injection system
  • Quantitative valve and quantitative injection system

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Embodiment Construction

[0019] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0020] In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "vertical", "upper", "lower", "horizontal" and "left and right" are based on the orientations or positional relationships shown in the drawings, It is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

[0021] Such as figure 1 As shown, the quantitative val...

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Abstract

The invention discloses a quantitative valve and a quantitative injection system. The quantitative valve comprises a valve body, an oil inlet and an oil outlet are formed in the valve body, and a piston cavity in the valve body communicates with the oil outlet; a piston assembly comprises a piston rod and a piston fixed to the piston rod, and the piston rod can do reciprocating motion along the piston cavity and an oil storage cavity; a first oil channel communicates with the oil storage cavity, and a second oil channel communicates with the piston cavity; one end of an oil inlet oil channel communicates with the oil inlet, and the other end of the oil inlet oil channel communicates with the first oil channel to form an oil supply opening; and a connecting channel is formed in a movable rod, the movable rod can move so that the connecting channel can achieve a connected state in which the connecting channel enables the first oil channel to communicate with the second oil channel and adisconnected state in which the connecting channel enables the first oil channel to be disconnected with the second oil channel, wherein when the connecting channel is in the connected state, the movable rod can seal the oil supply opening, and when the connecting channel is in the disconnected state, the movable rod opens the oil supply opening. According to the quantitative valve and the quantitative injection system, the advantages of being high in quantitative injection efficiency, stable in performance, convenient to operate and high in automation degree are achieved.

Description

technical field [0001] The invention relates to the technical field of machinery, in particular to a quantitative valve and a quantitative injection system. Background technique [0002] In industries such as bearing processing and automobile manufacturing, mechanical equipment needs to be filled with grease quantitatively. However, there are currently many quantitative valve components for quantitative filling of grease on the market, which are time-consuming and labor-intensive to assemble. When the components cooperate with each other, they are prone to loosening and shifting, resulting in inaccurate quantitative discharge. When the plunger moves, it is easy to scratch the sealing ring, causing leakage problems. Contents of the invention [0003] The object of the present invention is to overcome the problems existing in the prior art and provide a quantitative valve and a quantitative injection system. The quantitative valve has the advantages of high efficiency, stab...

Claims

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Application Information

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IPC IPC(8): F16N7/30F16N23/00F16N25/00
CPCF16N7/30F16N23/00F16N25/00
Inventor 王东升王自洋徐小会
Owner BEIJING CMRC SCI & TECH DEV
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