Assembly tool for lock components
A lock and tool technology, applied in the field of assembling tools for lock parts, can solve the problems of manual assembly of overload protection devices, etc., and achieve the effects of easy to master operation skills, simple structure, and safe and reliable operation process.
Active Publication Date: 2020-07-28
BEIHUA UNIV
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[0037] Such as Figure 11 to Figure 18 As shown, the parts to be assembled include the circular platform shaft 11, the steel ball 15, the bead spring 14 and the cam body 16, wherein a short axis A12 is provided at one end of the circular platform shaft 11, and a Square through hole, the round table shaft 11 is provided with 4 bumper ball slideways 13 evenly distributed along the radial direction, which are used to separately assemble a bumper spring 14 and a steel ball 15, and the static bumper spring 14 is uncompressed. Length is greater than the length of bead slideway 13. Cam body 16 one side ends are provided with minor axis B17, and cam body 16 other side is ring body 18, and the inner circle surface of this ring body 18 is movably assembled with the outer circle surface of round platform shaft 11, and each bumper on ring body 18 is movably assembled. The ball slideway 13 is provided with four stopping through holes 19 , and the diameter of the stopping through holes 19 ...
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The invention provides an assembling tool for a lock part and relates to the field of manual tools. The assembling tool for the lock part mainly solves the problem that manual assembling of an overload protecting device of an antitheft cam mechanism is difficult. The assembling tool is utilized for assembling a circular truncated cone shaft, collision bead springs uniformly distributed in the radial direction, and steel balls to a cam body. At first, the circular truncated cone, four sets of collision bead springs and four sets of steel balls are assembled on a pressing disc, and then placed on a pushing and extruding frame as a whole, the cam body to be assembled is arranged under the pushing and extruding frame. The pushing and extruding frame is provided with four wedge-shaped pushing plates which are narrow in upper portion and wide in lower portion. When the pressing disc is pushed downwards, the four pushing plates press the four sets of collision bead springs and the steel ballsinto the circular truncated cone shaft at same time from four directions, finally the circular truncated cone shaft is pushed downwards to be inserted into the cam body, and thus assembling is completed. According to the assembling tool, the operation process is safe, reliable, simple and easy to implement, the production efficiency is improved, the structure is simple, and the manufacturing costis low.
Description
technical field [0001] The invention relates to a hand tool, in particular to an assembly tool for lock components. Background technique [0002] At present, the core technology of the patent "a cross mechanical anti-theft lock with a fixed lock cylinder" (ZL201410020215.X) is being developed and applied. Its main features are: the technology cannot open the lock; The core is located in the door leaf, and is protected by anti-prying plate and anti-drilling sheet, and has the function of preventing damage by forced opening tools that ordinary anti-theft locks do not have. [0003] Accompanied by technology development, a number of patented products developed in the later period, including "Cylinder fixed cross mechanical anti-theft lock matched with fingerprint lock" (ZL201610990489.0), "A cam mechanism for fingerprint lock" (ZL201611045195.7), " Double plug-in anti-theft door and external hanging locking device" (ZL201610129609.8), "A forced reset device for a rotating ring...
Claims
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IPC IPC(8): B25B27/02
Inventor 韩现龙吕雪寒曹俊标
Owner BEIHUA UNIV