Hollow diverter screw drill string
By setting radial blind holes and valve core structures in the hollow split-flow screw drill bit, the opening of the split flow channel is adjusted by centrifugal force, which solves the problem of drill bit wear and efficiency caused by improper control of drilling fluid discharge, and realizes stable and efficient operation of the drill bit.
CN224300795UActive Publication Date: 2026-05-29DEZHOU UNITED GASOLINEEUM MACHINERY
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DEZHOU UNITED GASOLINEEUM MACHINERY
- Filing Date
- 2025-07-01
- Publication Date
- 2026-05-29
Smart Images
Figure CN224300795U_ABST
Abstract
The utility model discloses a hollow split flow screw drill tool, including the anti -drop assembly, motor assembly, universal shaft assembly and transmission shaft assembly that connect gradually, wherein, the anti -drop assembly includes the anti -drop axle assembly, and this anti -drop axle assembly has the axial hole of the split flow runner, and the anti -drop axle assembly is opened one with the split flow runner intercommunication radial blind hole, and the radial blind hole constitutes the valve cavity, provide one with the valve core of cooperation and guide in the valve cavity of valve, and constitute the valve of split flow runner, and the gravity of valve core is biased to one side of split flow runner under the initial state, and is equipped with the elastic component for the reset of valve core in the bias side, wherein, the initial state is the closed state of valve. Hollow split flow screw drill tool can effectively control the displacement of drill tool according to the utility model.
Need to check novelty before this filing date? Find Prior Art