Nylon protection head anti-falling device for positioning pin

A technology of positioning pins and protective heads, applied in the directions of pins, threaded fasteners, connecting components, etc., can solve problems such as easy falling off, and achieve the effect of ingenious conception and simple structure

Active Publication Date: 2015-07-15
无锡倍安杰机械科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the past, the nylon protective head and the inner hole of the positioning pin were connected by a tight fit. Since the material of the nylon protective head is non-metallic and loose in texture, the nylon protective head is easy to fall off due to vibration or bump during the use of the fixture.

Method used

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  • Nylon protection head anti-falling device for positioning pin
  • Nylon protection head anti-falling device for positioning pin
  • Nylon protection head anti-falling device for positioning pin

Examples

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Embodiment Construction

[0013] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0014] Figure 1~4 Among them, including positioning pin 1, elastic sleeve 2, nylon protective head 3, first installation hole 4, second installation hole 5, guide cone 6, strip groove 7, step 8, shoulder 9, protrusion 10, etc.

[0015] like Figure 1~4 As shown, the present invention is a nylon protective head fall-off prevention device for positioning pins, including a positioning pin 1, after the elastic sleeve 2 is sleeved on the nylon protective head 3, it is arranged in the first mounting hole 4 on the upper part of the positioning pin 1, and the The bottom of the elastic sleeve 2 is formed with a step 8 and a guide cone 6 in turn, and the surface of the elastic sleeve 2 is provided with a strip groove 7; the positioning pin 1 is provided with a second installation hole 5 corresponding to the lower part of the first installation hole ...

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PUM

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Abstract

The invention belongs to the technical field of a fastening connecting piece and particularly relates to a nylon protection head anti-falling device for a positioning pin. The nylon protection head anti-falling device comprises the positioning pin; and after a nylon protection head is sleeved with an elastic sleeve, the nylon protection head is arranged in a first mounting hole at the upper part of the positioning pin. The nylon protection head anti-falling device is characterized in that the bottom end part of the elastic sleeve is sequentially provided with a step and a guide cone; the surface of the elastic sleeve is provided with a strip groove; corresponding to the first mounting hole, the lower part of the positioning pin is provided with a second mounting hole; the second mounting hole and the first mounting hole are coaxially formed; the diameter of the second mounting hole is greater than that of the first mounting hole; a shoulder is formed at the joint of the first mounting hole and the second mounting hole; the step of the elastic sleeve is abutted against the shoulder; the lower end part of the nylon protection head is provided with a bulge; and the lower end face of the elastic sleeve is abutted against the bulge. By adopting the device, the elastic sleeve can be effectively prevented from falling out of an inner hole of the positioning pin and the nylon protection head can be avoided from falling out of the elastic sleeve.

Description

technical field [0001] The invention belongs to the technical field of fastening connectors, in particular to a nylon protective head fall-off preventing device for positioning pins. Background technique [0002] In order to prevent the positioning pin from scratching the surface of the processed product during the design of the "two pins on one side" positioning method, a nylon protective head is usually installed on the head of the positioning pin. In the past, the nylon protective head and the inner hole of the positioning pin were connected by a tight fit. Since the material of the nylon protective head is non-metallic and loose in texture, the nylon protective head is easy to fall off due to vibration or bump during the use of the fixture. Contents of the invention [0003] In view of the above problems, the present invention provides an anti-falling device for the nylon protective head of the positioning pin, which can effectively prevent the elastic sleeve from fall...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16B41/00F16B19/02
Inventor 尤梅洲闫辉
Owner 无锡倍安杰机械科技有限公司
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