CN203717644U - Linear guiding device - Google Patents
Linear guiding device Download PDFInfo
- Publication number
- CN203717644U CN203717644U CN201420054600.1U CN201420054600U CN203717644U CN 203717644 U CN203717644 U CN 203717644U CN 201420054600 U CN201420054600 U CN 201420054600U CN 203717644 U CN203717644 U CN 203717644U
- Authority
- CN
- China
- Prior art keywords
- sliding block
- ball grooves
- main body
- guide rail
- ball
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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- Bearings For Parts Moving Linearly (AREA)
Abstract
The utility model relates to a linear guiding device. According to the linear guiding device, roller balls are clamped between a guiding rail and a sliding block. The linear guiding device is characterized by being provided with a sliding block main body, an accommodating part and a roller ball groove component, wherein the sliding block is formed by the sliding block main body; the accommodating part is formed on the sliding block main body in a manner of covering the periphery of the guiding rail; the roller ball groove component is fixed in the accommodating part of the sliding block main body and is supported in the accommodating part of the sliding block main body by a central portion, a left lower side roller ball groove portion and a right lower side roller ball groove portion in the sliding block, and the roller balls between the roller ball groove component and the guiding rail are accommodated in roller ball grooves under the condition that the roller ball groove component is assembled on the sliding block main body. The linear guiding device has the advantage that the roller ball groove component can be assembled inside the sliding block main body in a high accuracy manner.
Description
Technical field
The utility model relates to linear guidance device.
Background technique
In recent years, following situation is suggested as problem, and this situation is: the ball slot part rolling between guide rail and slide block for ball needs higher mechanical strength, still, for other the position that does not need equal mechanical strength, processes and consuming cost.
As the improved prior art of this part, there is the technology shown in No. 3670663, Japan Patent.This technology is, the independently structure of ball grooves parts is installed respectively in employing in the main body of slide block and the main body of guide rail, and ball grooves parts are used to the higher material of mechanical strength, and other parts are used to the not high material to equal extent of mechanical strength, thus cheapization of seeking cost.
But, owing to forming separately the ball grooves parts that are positioned at the ball grooves of each side on both sides across guide rail, be arranged on independently the both sides across guide rail of slider body and guide rail self on the both sides of guide rail, so also there is room for improvement for the assembling operation of these ball grooves parts.
Patent documentation 1: No. 3670663, Japan Patent
Model utility content
The utility model provides a kind of linear guidance device, and the assembling operation of the ball grooves parts of this linear guidance device is excellent, and can remove the component shape of ball grooves parts and the error of assembly precision and these management are simplified.
In order to solve above-mentioned problem, the utility model provides following technological scheme.
(1) linear guidance device has clamped ball between guide rail and slide block, and this linear guidance device is characterised in that to have: the slider body that forms slide block; In the mode that the surrounding of guide rail is covered, be formed on the container on described slider body; With ball grooves parts, these ball grooves parts are fixed in the container of slider body, and, by central part in slide block and left and right downside ball slot part, be bearing in the container of slider body, and under the state of this ball grooves assembling parts on slider body, the ball between these ball grooves parts and guide rail be accommodated in ball grooves.
Accompanying drawing explanation
Fig. 1 means the figure of the linear guidance device of mode of execution of the present utility model.
Embodiment
It is mode that the guide rail 1 and take of the long size of general square shape can slide along the length direction of this guide rail 1 cross section of setting up is the slide block 2 of コ word shape roughly that linear guidance device of the present utility model has cross section.If using the face of guide rail 1 that is equipped with slide block 2 as upper surface, and continuous face is as side using the both sides at guide rail 1, and above-mentioned guide rail 1 is at bi-side above-below direction central part, is alongst formed with cross section for the guide rail downside ball grooves 3 of semi-circle roughly.In addition, at the bi-side of this guide rail 1 upper end edge portion, be alongst formed with cross section for the guide rail upside ball grooves 4 of 1/4 circular arc roughly.On the other hand, on the bi-side, inner side of slide block 2, be formed with the slide block downside ball grooves 5 relative with above-mentioned guide rail downside ball grooves 3 and the slide block upside ball grooves 6 relative with above-mentioned guide rail upside ball grooves 4.And, between guide rail downside ball grooves 3 and slide block downside ball grooves 5 and between guide rail upside ball grooves 4 and slide block upside ball grooves 6, be formed with respectively ball rolling path, in these ball rolling paths, roll and clamped freely a plurality of balls 8.In addition, in a side contrary with guide rail 1 of slide block downside ball grooves 5 and slide block upside ball grooves 6, be formed with circulating path 7, ball 8 circulates in this circulating path 7 and ball rolling path.Slide block 2 is divided into the slider body 9 of the main body that forms slide block 2 and is fixed on slider body 9 and forms the ball grooves parts 10 of slide block downside ball grooves 5 and slide block upside ball grooves 6.These ball grooves parts 10 are fixed in the container 12 of slider body 9, and, by central part in slide block 13 and left and right downside ball slot part 11, be bearing in the container 12 of slider body.
Slider body 9 is by common rolled steel for structure, for mechanical realization, any one of carbon steel, Cr-Mo steel steel and stainless steel steel forms.Ball grooves parts 10 consist of any one of ordinary tool steel steel and Cr-Mo steel steel.Thus, ball grooves parts 10 can workability be assembled to the inside of slider body 9 well.
Claims (1)
1. a linear guidance device has clamped ball between guide rail and slide block, and this linear guidance device is characterised in that to have: the slider body that forms slide block; In the mode that the surrounding of guide rail is covered, be formed on the container on described slider body; With ball grooves parts, these ball grooves parts are fixed in the container of slider body, and, by central part in slide block and left and right downside ball slot part, be bearing in the container of slider body, and under the state of this ball grooves assembling parts on slider body, the ball between these ball grooves parts and guide rail be accommodated in ball grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420054600.1U CN203717644U (en) | 2014-01-28 | 2014-01-28 | Linear guiding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420054600.1U CN203717644U (en) | 2014-01-28 | 2014-01-28 | Linear guiding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203717644U true CN203717644U (en) | 2014-07-16 |
Family
ID=51156800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420054600.1U Expired - Fee Related CN203717644U (en) | 2014-01-28 | 2014-01-28 | Linear guiding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203717644U (en) |
-
2014
- 2014-01-28 CN CN201420054600.1U patent/CN203717644U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20210128 |