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CN-224229258-U - Rotational flow assembly and metering valve

CN224229258UCN 224229258 UCN224229258 UCN 224229258UCN-224229258-U

Abstract

The utility model relates to the field of metering valves, and particularly discloses a cyclone component, which comprises a cyclone sheet and a valve seat, wherein a yielding groove and a positioning groove are formed in the cyclone sheet, a clamping groove, a valve groove and a valve hole are formed in the valve seat, the metering valve comprising the cyclone component is further disclosed, the cyclone sheet is integrally formed by adopting a die casting process, the structural strength of the cyclone sheet can be increased, the problem of deformation during mounting of the metering sheet in a split design is avoided, the production efficiency is improved, the cost is reduced, in order to ensure the flatness of a plane, the height difference of redundant materials at a pouring gate is eliminated by arranging the yielding groove at the pouring gate, the fitting degree of the surface of the cyclone sheet is ensured, and the positioning groove can play a role of positioning a workpiece when a spray hole is drilled, so that the machining precision is higher.

Inventors

  • MA NING
  • LI WENSHU
  • WEI HUANHUAN
  • CHEN YONGJI

Assignees

  • 广西弘力科技有限公司

Dates

Publication Date
20260512
Application Date
20250530

Claims (10)

  1. 1. The utility model provides a whirl subassembly, includes whirl piece and disk seat, a plurality of whirl grooves have been seted up to the one side of whirl piece, be equipped with the orifice in the whirl groove, the draw-in groove has been seted up to the one end of disk seat, the valve pocket has been seted up to the other end of disk seat the draw-in groove with the intercommunication has the valve opening between the valve pocket, its characterized in that: The one side of whirl piece has still been offered and has been put away groove and constant head tank, the whirl piece is in with detachable mode card in the draw-in groove, and can make the one side of whirl piece with the laminating of the bottom surface of draw-in groove, the whirl piece is cast molding and runner is located put away the inslot.
  2. 2. The cyclone assembly of claim 1 wherein the detent is located proximate an edge of the cyclone sheet.
  3. 3. The cyclone assembly according to claim 2, wherein a boss is provided at the bottom of the clamping groove, and the boss can be clamped in the positioning groove to limit the rotation of the cyclone sheet in the axial direction.
  4. 4. A cyclone assembly according to claim 3, wherein one end of the positioning groove is provided with an arc surface, the arc surface is in accordance with the outline of the boss, and the other end of the positioning groove extends outwards from the edge of the cyclone sheet to form a socket.
  5. 5. The cyclone assembly according to claim 1, wherein the side wall of the clamping groove is provided with a convex ring, and the convex ring can be clamped on the periphery of the cyclone sheet.
  6. 6. The cyclone assembly according to claim 5, wherein a first conical surface is arranged at one end of the convex ring, which is close to the bottom surface of the clamping groove, and a first round corner is arranged at the edge of the other surface of the cyclone sheet, and the first conical surface is in contact with the first round corner and can drive the cyclone sheet to be tightly attached to the bottom surface of the clamping groove.
  7. 7. The cyclone assembly according to claim 1, wherein a second rounded corner is provided at an edge of one face of the cyclone sheet.
  8. 8. Swirl assembly according to claim 1, characterised in that the edge of the end face of the other end of the valve seat is provided with a guide surface.
  9. 9. The swirl assembly of claim 1 wherein a plurality of flow-directing grooves are provided on the periphery of the valve spool.
  10. 10. A metering valve comprising the cyclone assembly of any one of claims 1 to 9, and further comprising a valve body, wherein a nozzle is provided at one end of the valve body, the valve seat is inserted into the mouth of the nozzle in a tight fit manner, a ball is provided in the valve groove, a push rod is provided in the nozzle, a second conical surface is provided at the bottom of the valve groove, and the end of the push rod can push the ball into the second conical surface.

Description

Rotational flow assembly and metering valve Technical Field The utility model belongs to the field of metering valves, and particularly relates to a rotational flow assembly and a metering valve. Background The swirl plate is a part of a sheet structure arranged at the nozzle of a metering valve or an oil sprayer, and is provided with swirl grooves for improving the spraying effect, the existing swirl plate is generally required to be matched with the metering plate for superposition assembly, the metering plate is mainly used for opening the metering hole (spray hole), and the two parts are respectively processed and superposition assembled, so that the problems of low processing efficiency and high cost exist, and the metering plate is easy to be pressed and deformed due to the fact that the edge of the metering plate is too thin during assembly. In the patent documents with application numbers of CN201810650519.2 and CN201711193762.8, split type structural designs of a cyclone sheet and a metering sheet are disclosed, the cyclone sheet is provided with a drainage groove and a cyclone hole, the metering sheet is provided with a metering hole, and the thickness of the metering sheet is smaller than that of the cyclone sheet, although the specification in the first comparison document indicates that the cyclone sheet and the metering sheet are integrally processed by adopting a die-casting process, the two parts are difficult to be integrally die-cast in actual operation, and a fine metering hole structure and a thin sheet structure at the edge of the metering sheet cannot be directly made through a die-casting process, so that the problem that the edge is easy to deform in assembly of the metering sheets in the two comparison documents is also solved. The foregoing background is only for the purpose of providing an understanding of the inventive concepts and technical aspects of the present utility model and is not necessarily prior art to the present application and is not intended to be used as an aid in the evaluation of the novelty and creativity of the present utility model in the event that no clear evidence indicates that such is already disclosed at the date of filing of the present application. Disclosure of utility model The utility model aims to provide a cyclone assembly and a metering valve, so that the problems of low processing efficiency, high cost and easy deformation of a metering sheet during assembly existing in the existing cyclone sheet and metering sheet split design are solved. In order to achieve the above purpose, the utility model provides a cyclone assembly, which comprises a cyclone sheet and a valve seat, wherein one surface of the cyclone sheet is provided with a plurality of cyclone grooves, the cyclone groove is internally provided with spray holes, one end of the valve seat is provided with a clamping groove, the other end of the valve seat is provided with a valve groove, a valve hole is communicated between the clamping groove and the valve groove, one surface of the cyclone sheet is also provided with a yielding groove and a positioning groove, the cyclone sheet is clamped in the clamping groove in a detachable manner, one surface of the cyclone sheet is attached to the bottom surface of the clamping groove, and the cyclone sheet is cast and formed, and a pouring gate is positioned in the yielding groove. Preferably, in the above technical solution, the positioning groove is disposed near an edge of the cyclone sheet. Preferably, in the above technical solution, a boss is provided at a bottom of the clamping groove, and the boss can be clamped in the positioning groove to limit rotation of the cyclone sheet in an axial direction thereof. Preferably, in the above technical solution, one end of the positioning groove is provided with an arc surface, the arc surface is consistent with the outline of the boss, and the other end of the positioning groove extends outwards from the edge of the cyclone sheet to form a socket. Preferably, in the above technical solution, a convex ring is provided on a side wall of the clamping groove, and the convex ring can be clamped on the periphery of the cyclone sheet. Preferably, in the above technical solution, a first conical surface is provided at one end of the convex ring near the bottom surface of the clamping groove, a first round corner is provided at the edge of the other surface of the cyclone sheet, and the first conical surface contacts with the first round corner and can drive the cyclone sheet to be tightly attached to the bottom surface of the clamping groove. Preferably, in the above technical solution, a second rounded corner is provided at an edge of one surface of the cyclone sheet. Preferably, in the above technical solution, a guiding surface is provided at an edge of the end surface of the other end of the valve seat. Preferably, in the above technical solution, the outer periphery of the valve groove is provided with