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Valve seat and high-pressure inclined inlet nozzle

A technology of valve seat and nozzle hole, which is applied in the direction of valve device, spray device, spray device, etc., can solve the problems of affecting the spray effect and clogging the nozzle hole, etc., and achieve good results

Pending Publication Date: 2019-07-12
JIANGSU BATON TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in practice, after the nozzle has been used for a long time, some oil will remain on the inverted cone surface or spherical arc surface structure below the ball after the sphere is in contact with the inverted cone surface or spherical arc surface structure, which is easy to form a large amount of oil. Insoluble and interconnected polymeric network viscous substances, which gradually accumulate and finally adhere to the inverted cone surface or spherical arc surface structure, forming surface coking, and eventually blocking or partially blocking the nozzle hole, affecting the spray effect

Method used

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  • Valve seat and high-pressure inclined inlet nozzle
  • Valve seat and high-pressure inclined inlet nozzle
  • Valve seat and high-pressure inclined inlet nozzle

Examples

Experimental program
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Effect test

Embodiment 1

[0032] Such as Figure 1-6As shown, this embodiment discloses a valve seat, which includes: a valve seat body 1, the shape of the valve seat body 1 is not limited, as long as it can cooperate with the structure of the nozzle to realize the function of the nozzle, such as the oil pipe body , in this embodiment, the valve seat body 1 is preferably a cylindrical structure, more preferably a cylinder; the valve seat body 1 is provided with a first cylindrical cavity 2, a swirl cavity, and a first sealing cavity that communicate with each other. 3 and the nozzle hole 4. During use, the first cylindrical cavity 2 is in sliding contact with the sphere as much as possible to ensure that the valve core does not skew when the sphere slides. The swirl cavity is set on the first cylindrical cavity Below the cavity 2, its shape is not specifically limited, it can be a regular shape or an irregular shape, such as a cylindrical cavity, a spherical cavity (non-integral), a frustum cavity, a c...

Embodiment 2

[0036] Such as Figure 7 with Figure 8 As shown, this embodiment discloses a high-pressure oblique-entry nozzle, which includes an oil pipe body 18, and the lower end of the oil pipe body 18 is socketed with the outer surface of the valve seat body 1 of the valve seat, so that the fluid passes through the platform. The shape structure 6 enters the swirl cavity through the diversion hole 8, so that the fluid rotates and flows downward in the swirl cavity, which has more impact force at this time, wherein the valve seat is the valve seat structure in embodiment 1; Comprising a spool 16, the lower end of the spool 16 is connected with a spheroid 17, the spheroid 17 can select an existing spheroid of any shape, can be a whole spheroid, also can be a part of the spheroid, the spheroid 17 and the second spheroid A sealed cavity 3 cooperates to realize the spraying of the nozzle.

[0037] In addition, other structures of the nozzle, such as the shell, the electromagnetic lifting a...

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Abstract

The invention discloses a valve seat. The valve seat is characterized in that a vacuum groove is formed in the cavity wall, close to a nozzle hole, of a first sealing cavity, through the arrangement of the vacuum groove, when a high-speed fluid medium rotates along the cavity wall of the first sealing cavity to flow towards the nozzle hole, the high-speed fluid medium drives air in the vacuum groove to form a cyclone so as to form a negative pressure state, and in the process of forming the cyclone, the air enters the nozzle hole along with the fluid medium and is finally converted into mist and ejected. In the process, a cyclone turbulence flow of air in the vacuum groove can take away the residual part of the fluid medium on a partial inverted conical surface or partial spherical cambered surface structure below a sphere after the sphere makes contact with the inverted conical surface or spherical cambered surface structure in a sealing mode, so that fluid medium residues are avoided, and the situation that the nozzle hole is blocked after impurities are hardened and dried, and the atomization effect is influenced is avoided.

Description

technical field [0001] The invention relates to the technical field of nozzles, in particular to a valve seat and a high-pressure oblique entry nozzle using the valve seat. Background technique [0002] The nozzle is one of the key parts of the EFI engine, its work will seriously affect the performance of the engine. Existing nozzles generally have a simple electromagnetic valve structure. For example, CN2016209634863 discloses a urea nozzle, which includes a housing, a valve body is provided in the housing, and a coil assembly is provided between the valve body and the housing. An adjustment sleeve and a valve core are provided in the valve body, and the valve core can slide in the valve body. A spring fixing seat is provided in the adjustment sleeve, and an elastic member is arranged between the spring fixing seat and the valve core. The front end of the spool passes through a sphere between the partition and the nozzle. The sphere is a whole sphere or a part of the spher...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05B1/14B05B1/26B05B1/34F16K51/00
CPCB05B1/14B05B1/26B05B1/34F16K51/00
Inventor 赵典秋袁亚飞刘新冬吴振汤丽刘劝庞贺臣陈婷
Owner JIANGSU BATON TECH CO LTD
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