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Three-section rail

A three-section rail and ball technology, applied in the field of three-section rail, can solve the problems of increasing material consumption, manufacturing cost and self-weight of the slide rail, and achieve the effect of good mechanical properties and less material consumption

Active Publication Date: 2013-12-25
雅固拉国际精密工业(苏州)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Increasing the cross-sectional size of the middle rail can increase the load capacity, but at the same time increase the amount of material, manufacturing cost and self-weight of the slide rail

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] refer to figure 2 As shown, a three-section rail includes a pair of outer rails 2 and a middle rail 1 arranged between the pair of outer rails 2. The middle rail 1 is composed of a web 101 and flange plates 102 at both ends to form an I-shaped section. The inner side of the outer rail 2 is provided with a boss 201 cooperating with the side of the middle rail 1 , and the load bearing ball 3 is arranged between the inner side of the flange plate 102 and the boss 201 . The inner side of the flange plate 102 and the boss 201 are provided with ball grooves that cooperate with the load bearing balls 3 . Ball cages 5 are respectively arranged between the load bearing balls 3 on both sides of the middle rail 1 . An avoidance groove 202 is opened in the middle of the boss 201 . The height of the outer rail 2 is equal to that of the middle rail 1, and the end faces are flush.

Embodiment 2

[0033] refer to image 3 As shown, a three-section rail includes a pair of outer rails 2 and a middle rail 1 arranged between the pair of outer rails 2. The middle rail 1 is composed of a web 101 and flange plates 102 at both ends to form an I-shaped section. The inner side of the outer rail 2 is provided with a boss 201 cooperating with the side of the middle rail 1 , and the load bearing ball 3 is arranged between the inner side of the flange plate 102 and the boss 201 . The inner side of the flange plate 102 and the boss 201 are provided with ball grooves that cooperate with the load bearing balls 3 . An avoidance groove 202 is opened in the middle of the boss 201 .

[0034] A pair of auxiliary balls 4 are respectively arranged between both sides of the web 101 and the boss 201 . Both sides of the web 101 and the boss 201 are provided with ball grooves that cooperate with the auxiliary balls 4 . Ball cages 5 are respectively arranged between the load bearing balls 3 and ...

Embodiment 3

[0037] As a preferred embodiment, refer to Figure 4 to Figure 7 As shown, a three-section rail includes a pair of outer rails 2 and a middle rail 1 arranged between the pair of outer rails 2. The middle rail 1 is composed of a web 101 and flange plates 102 at both ends to form an I-shaped section. The inner side of the outer rail 2 is provided with a boss 201 cooperating with the side of the middle rail 1 , and the load bearing ball 3 is arranged between the inner side of the flange plate 102 and the boss 201 . The inner side of the flange plate 102 and the boss 201 are provided with ball grooves that cooperate with the load bearing balls 3 . An avoidance groove 202 is opened in the middle of the boss 201 .

[0038] A pair of auxiliary balls 4 are respectively arranged between both sides of the web 101 and the boss 201 . Both sides of the web 101 and the boss 201 are provided with ball grooves that cooperate with the auxiliary balls 4 . Ball cages 5 are respectively arrang...

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Abstract

The invention discloses a three-section rail. The three-section rail comprises a pair of outer rails and a medium rail which is arranged between the pair of outer rails, wherein the medium rail has an I-shaped section formed by a web plate and flange plates at two ends; a boss matched with the side of the medium rail is arranged on the inner side of each outer rail; load balls are arranged between the inner sides of the flange plates and the bosses. The medium rail with the I-shaped section is relatively good in mechanical property and relatively low in material consumption.

Description

technical field [0001] The invention relates to a three-section rail, in particular to a three-section rail with high bearing capacity. Background technique [0002] The middle rail of the three-section rail plays a vital role in the load and self-weight of the slide rail. Increasing the cross-sectional size of the middle rail can increase the load capacity, but at the same time increase the amount of material, manufacturing cost and self-weight of the slide rail. In order to balance the increase in size with the increase in material, an improvement in the cross-sectional shape of the center rail is required. Contents of the invention [0003] The purpose of the present invention is to overcome the above problems in the prior art, and provide a three-section rail that uses the least material to bring high-strength bearing capacity. [0004] In order to achieve the above-mentioned technical purpose and achieve the above-mentioned technical effect, the present invention is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01B5/08A47L15/42F25D23/00D06F39/00H05K7/18
Inventor 张翔王斌王彦民杨文明
Owner 雅固拉国际精密工业(苏州)有限公司