Improved triangular drill bit
The utility model discloses an improved triangular drill bit. The improved triangular drill bit comprises a main rod, a replaceable anti-skid assembly is arranged on the main rod, a replacement assembly is arranged on the main rod, and the replacement assembly comprises a mounting block, a sleeve, a...
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Main Author | |
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Format | Patent |
Language | Chinese English |
Published |
14.07.2023
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Subjects | |
Online Access | Get full text |
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Summary: | The utility model discloses an improved triangular drill bit. The improved triangular drill bit comprises a main rod, a replaceable anti-skid assembly is arranged on the main rod, a replacement assembly is arranged on the main rod, and the replacement assembly comprises a mounting block, a sleeve, a through groove, two positioning grooves, a positioning block, a connecting column, a connecting disc, two grooves, two clamping blocks and a triangular cutting head. The mounting block is fixedly mounted at the bottom end of the main rod, the sleeve sleeves the mounting block, the through groove is formed in the inner wall of the bottom of the sleeve, the two positioning grooves are formed in the inner wall of the bottom of the sleeve, the two positioning grooves communicate with the through groove, the positioning blocks are slidably mounted in the positioning grooves, and the through groove is formed in the inner wall of the bottom of the sleeve. The connecting column is fixedly installed at the bottom of the po |
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Bibliography: | Application Number: CN202223571501U |