Technical Background:
Linear guides, also known as linear guideways, slide rails, linear guides, and linear slide rails, are used in linear reciprocating motion occasions. They can withstand a certain torque and achieve high-precision linear motion under high load. Linear guides can be roughly divided into three types: roller linear guides, cylindrical linear guides, and ball linear guides. They are used to support and guide moving parts to perform reciprocating linear motion in a given direction. According to the friction properties, linear motion guides can be divided into sliding friction guides, rolling friction guides, elastic friction guides, fluid friction guides, etc.
The sliders used in existing linear guides usually adopt an integrated structure. Although the slider structure of the integrated structure has a high strength, it is not easy to disassemble and install from the slide rail, which brings certain difficulties to later maintenance. Therefore, we need to propose a roller linear guide that is easy to disassemble and assemble.
Purpose:
The purpose of this utility model is to provide a roller linear guide that is easy to disassemble and assemble, so as to improve the situation that the slider in the existing linear guide is not easy to disassemble and assemble, so that the slider is easy to disassemble and assemble, and maintenance is simple, thereby solving the above problems.
Technical solution:
A roller linear guide rail that is easy to disassemble and assemble comprises a guide rail body, the upper end of which is slidably connected to the outer side of a slider body, a mounting groove is provided in the middle of the lower end of the slider body, the slider body is slidably installed on the guide rail body through the mounting groove, the slider body is symmetrically provided with two sets of fixing grooves on both sides of the inner wall of the mounting groove, the roller assembly can be detachably installed in the fixing groove, and sealing covers matching with the slider body are provided at both ends of the slider body, and the sealing covers are bolted and fixed to the slider body by bolts.
The roller assembly comprises a two-section fixing frame, the 匚-shaped fixing frame is detachably installed in the fixing groove, and no less than three sets of rollers are rotatably installed inside the 匚-shaped fixing frame.
Six sets of rotating bearings are fixedly embedded in the upper and lower parts of the 匚-shaped fixing frame, and the six sets of rotating bearings are arranged in pairs. A set of rotating rods are fixedly sleeved inside each two sets of rotating bearings, and the roller fixing sleeves are arranged on the outer wall of the rotating rods.
A T-shaped limit groove is provided on one side of the fixing groove of the slider body, and the T-shaped limit groove is connected to the fixing groove. A T-shaped fixing block matching the T-shaped limiting groove is fixedly connected to one side of the 匚-shaped fixing frame, and the T-shaped fixing block can be slidably sleeved in the T-shaped limiting groove.
Four groups of countersunk through holes are symmetrically arranged on the sealing cover. A threaded blind hole matching the countersunk through hole is provided at one end of the slider body. One end of the bolt passes through the countersunk through hole and is threadedly connected to the inner thread of the threaded blind hole.
Countersunk mounting holes are provided on the guide rail body. The countersunk mounting holes are arranged equidistantly and are not less than three groups.
Compared with the prior art, the utility model has the following beneficial effects:
The utility model is provided with fixing grooves on both sides of the mounting groove, and uses a roller assembly arranged in the fixing groove to assist the slider body to slide on the guide rail body, thereby reducing the friction force when the slider body slides. The T-shaped fixing block fixedly connected to one side of the second fixing frame in the roller assembly cooperates with the T-shaped limiting groove connected to one side of the fixing groove to limit and fix the roller assembly, thereby preventing the roller assembly from moving when the slider body slides, thereby improving the stability of the slider body when sliding. The sealing covers arranged at both ends of the slider body cooperate with the bolts. This structural design facilitates the installation and disassembly of the roller assembly and is easy to maintain.
1. Guide rail body:;2. Slider body; 3. Mounting groove; 4. Fixing groove;6. T-type limit groove; 8. Sealing cover: 9. Bolt; 10. Countersunk through hole; 11. Threaded blind hole; 12. Countersunk mounting hole
2. Slider body; 3. Mounting groove;5. Roller assembly
4. Fixing groove; 6. T-type limit groove; 7. T-type fixing block;51. Type II fixing frame: 52. Roller: 53. Rotating bearing: 54. Rotating rod.
7. T-type fixing block51. Type II fixing frame: 52. Roller: 53. Rotating bearing: 54. Rotating rod.
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