Saw blade locking device

A technology for locking devices and saw blades, applied in the direction of locking fasteners, threaded fasteners, connecting components, etc., can solve the problems of troublesome disassembly and assembly, inconvenience of keeping attention at all times, etc., and achieves convenient use and high safety performance Effect

Pending Publication Date: 2018-08-07
GUANGZHOU KDT MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In actual operation, users need to pay special attention to the nut, or take other loosening measures. As a result, it is troublesome for customers to disassemble and assemble, and it is inconvenient to keep their attention all the time.

Method used

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  • Saw blade locking device
  • Saw blade locking device

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Embodiment Construction

[0015] refer to figure 1 , figure 2 , The present invention is a saw blade locking device, comprising a pressing screw. One side of the compression screw is the threaded part 10 detachably connected to the saw shaft 1, and the other side of the compression screw is the expansion part 7 of the compression flange 3, and the expansion part 7 is provided with a compression slope 9 in contact with the flange 3, The compression screw is provided with a number of expansion grooves 6 that separate the expansion part 7 in the axial direction, and each expansion groove 6 is evenly distributed around the center of the expansion part 7, and the expansion part 7 is provided with a device for adjusting the radial expansion size of the expansion part 7. Adjustment components. The adjustment assembly includes a support ball 5 at the junction of each expansion groove 6 and several screws that are threaded and evenly distributed on the expansion part 7 , and the heads of each screw contact t...

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PUM

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Abstract

The invention discloses a saw blade locking device and relates to the field of saw blade clamping devices. The saw blade locking device comprises a compressing screw rod; one side of the compressing screw rod is provided with a threaded part detachably connected with a saw shaft, and the other side of the compressing screw rod is provided with an expansion part for compressing a flange; the expansion part is provided with a compressing bevel making contact with the flange, and further provided with a plurality of expanding grooves; the expanding grooves are evenly distributed around the centerof the expansion part, and the expansion part is provided with an adjusting assembly for adjusting the radial expanding magnitude of the expansion part; the adjusting assembly comprises supporting balls located at the junctions of the expanding grooves and a plurality of screws which are connected in a threaded mode and uniformly distributed on the expansion part; the heads of the screws all makecontact with the supporting balls; and the axes of the screws are tilted outwards to the axis of the compressing screw rod. The design is high in safety performance, after the screws are loosened, manual disassembling can be achieved, and using is convenient and quick.

Description

technical field [0001] The invention relates to the field of saw blade clamping devices, in particular to a saw blade locking device. Background technique [0002] The existing saw blade locking structure is directly tightened by nut threads, and the rotation direction of the saw blade needs to be considered to avoid loosening of the nut due to rotation inertia and avoid serious accidents. In actual operation, the user needs to pay special attention to the nut, or take other loosening measures. As a result, it is troublesome for customers to disassemble and assemble, and it is inconvenient for customers to keep their attention at all times. Contents of the invention [0003] The purpose of the present invention is to provide a saw blade locking device with high safety and easy and fast use. [0004] The technical scheme that the present invention takes is: [0005] A saw blade locking device, comprising a compression screw, one side of the compression screw is a threaded...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B35/06F16B39/28
CPCF16B35/06F16B39/28
Inventor 吴海洋罗康杨良生黄旭
Owner GUANGZHOU KDT MASCH CO LTD
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