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Valve seat and spiral planar inlet nozzle

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

Inactive 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 part of the inverted cone surface or spherical arc surface structure under the sphere 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 insoluble and interrelated polymeric network viscous substances, which gradually accumulate and finally adhere to the inverted cone surface or spherical arc surface structure, forming surface coking, and finally clogging or partially clogging the nozzle hole, affecting the spray effect

Method used

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  • Valve seat and spiral planar inlet nozzle
  • Valve seat and spiral planar inlet nozzle
  • Valve seat and spiral planar inlet nozzle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Such as Figure 1-5As shown, this embodiment discloses a valve seat, which includes: a valve seat main body 1, the shape of the valve seat main body 1 is not limited, as long as it can cooperate with the structure of the nozzle (especially at the installation position of the nozzle) to realize the nozzle function, such as oil pipe body, in this embodiment, the valve seat body 1 can be regular shape, also can be irregular shape, preferably the cylinder structure in the regular shape, more preferably cylinder; The seat main body 1 is provided with a first cylindrical chamber 2, a swirl chamber, a first sealing chamber 3 and a nozzle hole 4 which communicate with each other. During use, the first cylindrical chamber 2 is in sliding contact with the sphere as much as possible to ensure The valve core does not skew when the ball slides, and the swirl chamber is arranged below the first cylindrical chamber 2, and its shape is not specifically limited, and it can be a regular ...

Embodiment 2

[0035] Such as Image 6 with Figure 7 As shown, this embodiment discloses a spiral flat-in 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 flows in the spiral The groove 6 and the diversion groove 7 combine with the inner wall of the lower end of the oil pipe body 18 to form a closed fluid channel. After the fluid enters through the upper end of the spiral groove 6, the fluid has more impact and stability when rotating and flowing. The valve seat is the valve seat structure in Embodiment 1; it also includes a valve core 16, and the lower end of the valve core 16 is connected with a ball 17, and the ball 17 can be an existing ball of any shape, which can be a whole ball or a ball. It may be a partial sphere, and the sphere 17 cooperates with the first sealed cavity 3 to realize the spraying of the nozzle.

[0036] In addition, other structure...

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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 finally forms mist-shaped to eject. 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 seals 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 spiral plane-inlet 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 sphere. cavit...

Claims

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Application Information

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IPC IPC(8): B05B1/34B05B15/50
CPCB05B1/3405B05B15/50
Inventor 刘新冬赵典秋袁亚飞汤丽吴振刘劝庞贺臣陈婷
Owner JIANGSU BATON TECH CO LTD
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