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clamping pin

A clamping, barrel-shaped technology, applied in the direction of pins, deformed pins, threaded fasteners, etc., can solve problems such as noise and damage

Inactive Publication Date: 2015-08-05
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The drive shaft is connected to the drive of the internal combustion engine via a coupling, wherein the clamping pin is close to the coupling and its part protruding from the socket can come into contact with the coupling, which can cause noise and damage

Method used

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Examples

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Embodiment Construction

[0006] exist figure 1 The middle one is a high-pressure fuel pump for fuel injection device of internal combustion engine. The pump has a housing 10 in which a rotationally driven drive shaft 14 is mounted rotatably about an axis of rotation 15 . The drive shaft 14 has at least one cam 16, which can also be a multiple cam. The pump has at least one or more pump elements 18 with a respective pump piston 20 , which pass through the drive shaft at least indirectly in a direction at least approximately radial to the axis of rotation 15 of the drive shaft 14 during a stroke movement. The cam 16 of 14 is driven. The drive shaft 14 protrudes from the housing 10 and can be connected via a coupling device 26 to the drive of the internal combustion engine. The drive can be a shaft of an internal combustion engine, for example its camshaft, crankshaft or balancing shaft. Especially if the high-pressure fuel pump has only one or two pump elements 18 , it is necessary to synchronize th...

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PUM

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Abstract

The invention relates to a dowel pin for pressing into a hollow cylindrical receptacle (28), wherein the dowel pin (30) is sleeve-shaped, and comprises, at the circumference thereof, at least one slit (34) that is continuous in the longitudinal direction of the dowel pin (30), and by means which the dowel pin (30) can be elastically deformed in the radial direction. The radial elasticity of the dowel pine (30) is variable over the longitudinal extension (L) thereof.

Description

technical field [0001] The invention relates to a clamping pin of the type claimed in claim 1 . Background technique [0002] Such clamping pins are disclosed by the standard ISO 13337. The clamping pin is provided for pressing into a hollow-cylindrical socket, for example a bore. The clamping pin is designed in the shape of a sleeve and has, in its peripheral direction, an opening extending through it in the longitudinal direction of the clamping pin. Through this opening, the clamping pin acquires radial elasticity, which simplifies its insertion into the socket. The opening has a constant width over the entire longitudinal extent of the clamping pin. It was determined that when the clamping pin is pressed into the socket only over a part of its longitudinal extension and thus a part of the clamping pin protrudes from the socket, the protruding part is deformed because it is relative to the arrangement The part in the socket is expanded. If there is only little instal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16B19/00
CPCF02M59/102F16B19/004F16B19/02F02M59/00F16B19/00
Inventor A.桑塔马里亚A.杜特J.阿莱克
Owner ROBERT BOSCH GMBH