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Guide rail

A technology of guide rails and slide rails, applied in the field of guide rails, can solve the problems of weak structure, easy swing up and down, affecting the smoothness and stability of guide rail operation, and achieve the effects of long service life, smooth and stable operation, and simple and reasonable structure

Inactive Publication Date: 2012-01-25
伍志勇
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, the supporting parts 5.1' at the upper and lower ends of the middle rail 5' are in the shape of a line. When the guide rail is loaded, the supporting part 5.1' is easy to swing up and down, which affects the smoothness and stability of the guide rail.
In addition, the middle rail 5' is formed by bending sheet metal, and the thickness of the sheet metal is only the same everywhere, so the structure is relatively weak

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0025] see figure 2 and image 3 , the guide rail includes three sliding rails, the upper slide rail 2, the middle slide rail 5 and the lower slide rail 6; Supporting part 5.1, the cage is sleeved outside the supporting part. The top surface of the upper support portion of the middle slide rail and the bottom surface of the lower support portion are both horizontal planes, and the cage 8 is provided with horizontal rollers 7 corresponding to the horizontal plane.

[0026] Balls 9 are provided on the inner side of the cage 8 corresponding to the support portion 5.1, and oblique rollers 4 are provided on the outer side corresponding to the support portion.

[0027] The above-mentioned guide rails have a symmetrical structure up and down. The upper slide rail 2 and the lower slide rail 6 are both in the shape of a frame with openings. Flange 2.2. The middle slide rail 5 is formed by bending sheet metal, and the thickness of the middle part of the middle slide rail is two she...

no. 2 example

[0029] see Figure 4 The above-mentioned guide rails have a symmetrical structure up and down. Both the upper slide rail 2' and the lower slide rail are frame-shaped with openings. Oblique flanging; the end of the ball bearing flanging 2.1' is also provided with a vertical flanging 2.3'. Other unmentioned parts are the same as the first embodiment.

no. 3 example

[0031] see Figure 5 , the guide rail is left and right, up and down symmetrical structure, and the cage corresponds to the left and right sides of the middle slide rail 15 supporting portion to be provided with balls 9, and the upper slide rail 12 and the lower slide rail both sides are respectively provided with ball bearing flanging 12.1 corresponding to the balls. Other unmentioned parts are the same as the first embodiment.

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PUM

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Abstract

The invention relates to a guide rail, which comprises more than two sliding rails matched in a sliding way via a retaining frame. The upper end and / or the lower end of at least one sliding rail are / is provided with a triangular or trapezoidal supporting part, and the retaining frame is sleeved outside the supporting part. Since the upper end and / or the lower end of at least one sliding rail are / is provided with the triangular or trapezoidal supporting part and the whole sliding rail is T-shaped or I-shaped, the horizontal supporting strength of the guide rail is greatly improved. In addition, the thickness of the part except the supporting part of the sliding rail is equal to the thickness of two sheet metals, and the stiffness of the sliding rail is further improved. The guide rail has a simple and reasonable structure, high supporting strength, long service life and low operating noise and can operate smoothly and stably.

Description

technical field [0001] The invention relates to a guide rail, in particular to a guide rail mainly used for drawing parts in furniture, which can be used in drawers, drawer platforms, drawer racks, drawer baskets and other occasions. Background technique [0002] see figure 1 , is the end view of the guide rail used in the existing furniture field, including the upper rail, the middle rail 5' and the lower rail, wherein the middle rail is in the shape of a channel steel, and its strength is weak when used as a horizontal support. Moreover, the supporting parts 5.1 ' at the upper and lower ends of the middle rail 5 ' are all in the shape of a line, and when the guide rail is loaded, the supporting parts 5.1 ' are easy to swing up and down, which affects the smoothness and stability of the guide rail operation. In addition, the middle rail 5' is formed by bending sheet metal, and the thickness of each part is only the same as that of the sheet metal, so the structure is relat...

Claims

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Application Information

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IPC IPC(8): A47B88/14
Inventor 伍志勇
Owner 伍志勇
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