JP2012219838A5

JP2012219838A5 -

Info

Publication number: JP2012219838A5
Application number: JP2011083070A
Authority: JP
Filing date: 2011-04-04
Publication date: 2014-05-22
Anticipated expiration: 2031-04-04

Description

上記目的を達成するため、本発明のうち請求項１に係る直動案内装置は、軸方向に延びる転動体転動溝を有する案内レールと、該案内レールの前記転動体転動溝に対向する転動体転動溝を有し、これらの両転動体転動溝間に挿入された多数の転動体の転動を介して軸方向に沿って相対移動可能に前記案内レールに跨架されたスライダと、前記スライダの軸方向端部に前記案内レールに対して所定の隙間量を設けて取り付けられたサイドシール部材とを備えた直動案内装置であって、前記サイドシール部材は、その内周面に前記案内レールに接触する複数の位置決め突起を備え、前記複数の位置決め突起の前記案内レールに接触する部分の前記軸方向に沿う合計長さが前記サイドシール部材の前記軸方向に沿う厚さよりも短いことを特徴としている。
また、本発明のうち請求項２に係る直動案内装置は、請求項１記載の直動案内装置において、前記複数の位置決め突起の各々が樹脂製であることを特徴としている。
また、本発明のうち請求項３に係る直動案内装置は、請求項１又は２記載の直動案内装置において、前記複数の位置決め突起は、前記案内レールの外周面のうち上側の前記転動体転動溝の上方の外周面に接触する部分に設けられていることを特徴としている。
また、本発明のうち請求項４に係る直動案内装置は、請求項１又は２記載の直動案内装置において、前記複数の位置決め突起は、前記案内レールの外周面のうち下側の前記転動体転動溝の下方の外周面に接触する部分に設けられていることを特徴としている。
更に、本発明のうち請求項５に係る直動案内装置は、請求項１又は２記載の直動案内装置において、前記複数の位置決め突起は、前記案内レールの外周面のうち上側の前記転動体転動溝の上方の外周面に接触する部分に設けられていると共に、前記案内レールの外周面のうち下側の前記転動体転動溝の下方の外周面に接触する部分に設けられており、前記案内レールを挟んで左右対称に合計４つ設けられていることを特徴としている。 To achieve the above object, a linear motion guide device according to claim 1 of the present invention is opposed to a guide rail having a rolling element rolling groove extending in the axial direction and the rolling element rolling groove of the guide rail. A slider having rolling element rolling grooves and straddling the guide rail so as to be relatively movable along the axial direction through rolling of a large number of rolling elements inserted between the rolling elements. And a side seal member attached to the end of the slider in the axial direction with a predetermined gap amount with respect to the guide rail, the side seal member having an inner circumference A plurality of positioning protrusions that contact the guide rail on a surface, and a total length along the axial direction of a portion of the plurality of positioning protrusions that contacts the guide rail is greater than a thickness of the side seal member along the axial direction. Also characterized by being short That.
According to a second aspect of the present invention, the linear motion guide device according to the first aspect is characterized in that each of the plurality of positioning protrusions is made of resin.
According to a third aspect of the present invention, the linear motion guide device according to the first or second aspect is the linear motion guide device according to the first or second aspect, wherein the plurality of positioning protrusions are the upper rolling elements of the outer peripheral surface of the guide rail. It is provided in the part which contacts the outer peripheral surface above a rolling groove.
According to a fourth aspect of the present invention, the linear guide device according to the first or second aspect is the linear guide device according to the first or second aspect, wherein the plurality of positioning protrusions are arranged on the lower side of the outer peripheral surface of the guide rail. It is provided in the part which contacts the outer peripheral surface below the moving body rolling groove.
Furthermore, the linear motion guide device according to claim 5 of the present invention is the linear motion guide device according to claim 1 or 2, wherein the plurality of positioning protrusions are the upper rolling elements of the outer peripheral surface of the guide rail. Provided in a portion that contacts the outer peripheral surface above the rolling groove, and provided in a portion of the outer peripheral surface of the guide rail that contacts the lower outer peripheral surface of the lower rolling element rolling groove. A total of four are provided symmetrically across the guide rail.

Claims

A guide rail having rolling element rolling grooves extending in the axial direction, and a rolling element rolling groove facing the rolling element rolling groove of the guide rail, and is inserted between these rolling element rolling grooves. A slider straddled on the guide rail so as to be relatively movable along the axial direction through rolling of a large number of rolling elements, and a predetermined gap amount with respect to the guide rail is provided at an end portion in the axial direction of the slider. A linear motion guide device provided with a side seal member attached thereto,
The side seal member includes a plurality of positioning protrusions that contact the guide rail on an inner peripheral surface thereof, and a total length along the axial direction of a portion of the plurality of positioning protrusions that contacts the guide rail is the side seal. A linear guide apparatus characterized by being shorter than a thickness of the member along the axial direction.

The linear motion guide device according to claim 1, wherein each of the plurality of positioning protrusions is made of resin.

3. The straight line according to claim 1, wherein the plurality of positioning protrusions are provided on a portion of the outer peripheral surface of the guide rail that is in contact with an upper outer peripheral surface of the upper rolling element rolling groove. Motion guide device.

The plurality of positioning protrusions are provided on a portion of the outer peripheral surface of the guide rail that is in contact with the lower outer peripheral surface of the lower rolling element rolling groove. Linear motion guide device.

The plurality of positioning protrusions are provided on a portion of the outer peripheral surface of the guide rail that is in contact with the upper outer peripheral surface of the upper rolling element rolling groove, and the lower one of the outer peripheral surfaces of the guide rail. 3. The straight line according to claim 1, wherein a total of four are provided in a portion in contact with the outer peripheral surface below the rolling element rolling groove and symmetrically across the guide rail. Motion guide device.