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Quick connection function head for electric tool

A technology for electric tools and functional heads, applied in the field of quick-connect functional heads for electric tools, can solve problems such as affecting the use effect and service life, the function head is prone to displacement, and is not convenient enough, so as to improve the use effect and service life, fast Installation, the effect of improving versatility

Inactive Publication Date: 2017-01-04
江苏美之轮工具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of assembly method needs to completely remove the lock nut and then assemble it, which is not convenient enough
At the same time, after the functional head is connected to the output shaft of the electric tool, the functional head is prone to displacement during use, which affects the use effect and service life

Method used

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  • Quick connection function head for electric tool
  • Quick connection function head for electric tool

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] See figure 1 , the present invention has a body 1; the body 1 is provided with a connecting portion 2 for connecting with an electric tool; the connecting portion 2 includes a socket hole 21 and at least one driving projection 22; the socket hole 21 One side edge is provided with an opening 23 communicating with the external space; the socket hole 21 is mated with the output shaft of the electric tool; the driving projection 22 is mated with the drive installation groove on the output shaft of the electric tool.

[0025] When in use, first loosen but not unscrew the nut on the output shaft of the electric tool; then slide the output shaft of the electric tool directly from the opening 23 into the socket hole 21; The drive projection 22 cooperates; finally the locking nut completes the installation of the functional head.

Embodiment 2

[0027] See figure 2 , the present invention has a body 1; the body 1 is provided with a connecting portion 2 for connecting with an electric tool; the connecting portion 2 includes a socket hole 21 and at least one driving projection 22; the socket hole 21 One side edge is provided with an opening 23 communicating with the external space; the socket hole 21 is mated with the output shaft of the electric tool; the driving projection 22 is mated with the drive installation groove on the output shaft of the electric tool.

[0028] The edge of the socket hole 21 is provided with four tooth openings 24 extending radially outward from the axis of the socket hole; the four tooth openings 24 are equally spaced along the circumference of the socket hole axis.

[0029] There are two positioning holes 25 distributed along the axis of the socket between the two adjacent tooth openings 24; the included angle between the tooth openings 24 and the adjacent positioning holes 25 is 30°; the a...

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Abstract

The invention relates to a quick connection function head for an electric tool. The function head is provided with a body, a connecting portion connected with the electric tool is arranged on the body and comprises an inserting hole and at least one drive convex block, an opening communicated with the exterior space is formed in the edge of one side of the inserting hole, and the inserting hole is in matched connection with an output shaft of the electric tool. The drive convex block is matched with a drive mounting groove in the output shaft of the electric tool. The quick connection function head is ingenious in structural design, rapid mounting of the function head can be achieved, the drive effect of the connecting portion is good, generality is high, and the displacement problem of the function head can be effectively solved.

Description

technical field [0001] The invention relates to a matching tool for an electric tool, in particular to a quick-connect function head for an electric tool. Background technique [0002] Power tools can realize sawing, cutting, grinding, scraping and other work needs by assembling different functional heads (such as: straight saw blades, circular saw blades, triangular grinding discs, scrapers, etc.). Power tools are widely used because of their ability to meet different work needs. [0003] The functional head is generally socketed on the output shaft of the oscillating tool through the mounting interface, and then locked with a lock nut. Such an assembly method needs to completely disassemble the lock nut and then assemble, which is not convenient enough. At the same time, after the functional head is connected to the output shaft of the electric tool, the functional head is prone to displacement during use, which affects the use effect and service life. Contents of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25F3/00
CPCB25F3/00
Inventor 陈华
Owner 江苏美之轮工具有限公司
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