TWM584848U - Backflow channel structure of linear slide rail - Google Patents

Abstract

A return rail structure of a linear slide rail includes: a slide rail, a slide block, at least two return tubes and two end caps, wherein a slide groove is provided in the center of the bottom of the slide block, and the slide block passes through the slide block. A groove is provided on the slide rail. At least one slide rail is provided between each of the slide groove and both sides of the slide rail. A plurality of balls are slid in the slide rail. The sliders are provided with a number of linear return channels that match the number of slides on the same side and pass through the front end surface and the rear end surface of the slider at the same time. The inner tube portion of the return tube has a number of spiral patterns. The spiral pattern is set with an odd number that cannot be divisible, so that the ball can be laterally flipped by the spiral pattern to generate a specific angle when passing through the return pipe.

Description

Return track structure of linear slide

This creation is about a "return path structure of a linear slide rail", especially a return path structure of a linear slide rail that has a long service life and can prevent noise or abnormal sounds.

The linear slide is mainly used for linear reciprocating motion. It can achieve high-precision linear motion under high load. The function of the linear slide is to support and guide the moving part (bed), so that the moving part can The reciprocating linear displacement is performed according to a predetermined direction, and because the friction mode of the linear slide is rolling friction, not only the friction coefficient can be reduced to about 1/50 of the original sliding guide, but also the gap between the dynamic friction force and the static friction force can be changed. smaller.

The existing linear slide rail mainly includes a slide rail and a slider, wherein a slide groove is provided at the center of the bottom of the slider, and the slider is disposed on the slide rail through the slide groove. A ball slide track and a return track which can be used for the ball circulating operation, through the rolling of the ball, the friction between the slider and the slide track is minimized.

However, the conventional structure described above still has the following problems in practical applications: (1) The ball will only follow the running direction of the moving parts one by one when the linear slide rail is in operation. Push forward, but cannot be turned sideways by the return flow path during the return flow process Turn, so that the load of the ball will be concentrated at the same point, thereby shortening its service life; (2) the outer diameter of the turn of the return path is larger than that of the ball, when the ball returns, the return path and the ball A gap is formed between the balls, which is enough to cause the balls to be displaced from each other and cause the ball diameter to be eccentric, and the eccentricity will turn into an irregular operation when the balls are pushed forward, so that the balls are generated. Different rates, which in turn make disturbing noise.

Therefore, how to develop and improve the shortcomings of the above-mentioned conventional linear slides is a goal that the relevant industry needs to work hard to develop. In view of this, the creator has thought and creative ideas, and then based on many years of experience. The design, after many discussions and trial samples, and several amendments and improvements, is the launch of this creation.

It is known that the linear slide cannot be used for a long time, and it will make a disturbing noise when the ball is reflowed. This is a technical problem to be solved.

This creation provides a return path structure of a linear slide rail, which includes: a slide rail, a slide block, at least two return tubes and two end caps, wherein a slide groove is provided at the center of the bottom of the slide block. The slide groove is straddled on the slide rail, and at least one slide rail is provided between each of the slide groove and two sides of the slide rail, and a plurality of balls are slid in the slide rail, so that the slider can be used. Through the balls in the The slide rails are reciprocated back and forth, and each of the slide rails is provided with a number of slide rails on the same side that match the slide rails on the same side. The linear return channel on the end face has a number of spiral patterns protruding from the inner tube portion of the return tube. The spiral patterns are set in an odd number that cannot be divisible, so that the balls can be covered by the spiral pattern when passing through the return tube. It is driven to generate a lateral flip at a specific angle, and the return tube is passed through the return channel. Two end caps are respectively arranged on the front surface and the rear surface of the slider. The connection and turning of the turning slewing groove enables the plurality of balls to roll back and forth between the slide rail and the return pipe, thereby obtaining a return track structure of a linear slide rail.

This creation provides the return path structure of the linear slide rail. When the ball is running in the no-load state of the return tube, the ball will be driven by the spiral pattern and guided to actively generate a lateral flip at a specific angle. When the ball is returned to the slideway and bears the load, it will no longer be stressed at a specific position, and the ball is prevented from deforming from the place where the force is often applied, so as to effectively extend the service life of the linear slide rail. , And the design of the spiral pattern is set by an odd number that cannot be divisible, the ball can be prevented from turning back to the original position after being turned sideways, or by a specific upper, lower two points or upper, lower The four points of left, right, and right are repeatedly stressed in a sequential cycle, and when the ball is transferred from the rotary groove with a larger outer diameter into the return pipe, it will be naturally spiraled during the pushing of the ball. The law forms concentricity, so that the balls can run regularly at the same rate, so as to avoid disturbing noises or abnormal sounds.

This creative section:

(10) ‧‧‧Slide

(20) ‧‧‧Slider

(21) ‧‧‧Chute

(22) ‧‧‧Return Road

(30) ‧‧‧Return pipe

(31) ‧‧‧spiral

(40) ‧‧‧End cap

(41) ‧‧‧Turn trough

(50) ‧‧‧Ball

(51) ‧‧‧Slide

(60) ‧‧‧Scraper

(70) ‧‧‧Upper retainer

The first picture: a three-dimensional combination of this creation.

The second picture is a three-dimensional exploded view of this creation.

The third picture: the combined plan of this creation.

The fourth picture: A-A section view of the third picture of this creation.

Fifth Picture: Section B-B of the third picture of this creation.

Figure 6: A cross-sectional view of the fifth figure in this creation.

Figure 7: A sectional view of the first preferred embodiment of the creative return tube.

Figure 8: A sectional view of the second preferred embodiment of the creative return tube.

Fig. 9 is a sectional view of the third preferred embodiment of the creative return tube.

The tenth picture: This is a schematic diagram of the action of the creative ball (only represented by a single piece) in the return tube caused by the spiral pattern to cause lateral flipping.

In order for your reviewers to have a better understanding and understanding of the purpose, characteristics and effects of this creation, the following are listed in conjunction with the [Simplified Description of the Drawings] embodiment, and the detailed description is as follows: First, please refer to the first picture to As shown in the sixth figure, it includes: a slide rail (10), a slider (20), at least two return tubes (30) and two end caps (40), wherein the bottom center of the slider (20) A slide groove (21) is provided, and the slider (20) is straddled on the slide rail (10) through the slide groove (21), At least one slideway (51) is provided between each side of the slide groove (21) and the slideway (10), and a plurality of balls (50) are slidably arranged in the slideway (51), so that The sliders (20) can be reciprocated back and forth on the slide rails (10) through the balls (50), and the outside of each of the slide rails (51) is provided on the sliders (20). There are linear return passages (22) that match the number of slide rails (51) on the same side and pass through the front end surface and the rear end surface of the slider (20) at the same time, and the inner tube portion of the return tube (30). There are a number of spiral patterns (31) protruding. The spiral patterns (31) are set in an odd number that cannot be divisible, so that the ball (50) can be covered by the spiral pattern when passing through the return pipe (30). 31) A lateral flip caused by a specific angle by the driving, and the return pipe (30) is arranged in the return passage (22), and the two end caps (40) are respectively arranged in the sliders (20) The front end surface and the rear end surface are connected by a turning groove (41) provided with a turning shape on the inner side surface, so that the plurality of balls (50) can be between the slide rail (51) and the return pipe (30). Do the recirculation roll.

This creation provides a return path structure of a linear slide rail, in which two slide paths (51) are provided between each side of the slide groove (21) and the slide rail (10), so that the return path (22), The return pipe (30) and the turning groove (41) can be set in the same number with respect to the two slide rails (51) on each side.

This creation provides a return path structure of a linear slide, wherein the return pipe (30) is a wear-resistant plastic tube.

This creation provides a return path structure of a linear slide, wherein three inner spiral sections (31) are provided in the inner tube portion of the return tube (30). ().

This creation provides a return path structure of a linear slide rail, in which five said spiral patterns (31) are provided in the inner tube portion of the return tube (30) (please also view it from the eighth figure).

This creation provides a return path structure of a linear slide, in which seven said spiral patterns (31) are provided in the inner tube portion of the return tube (30) (please also view it from the ninth figure).

The present invention provides a return path structure of a linear slide rail, wherein a scraper (60) is further combined on each of the outer sides of the two end caps (40).

This creation provides a return rail structure of a linear slide rail, wherein an upper retainer (70) is provided between the slide rail (10) and the slider (20).

With the above structure, when the ball (50) is in an unloaded state running in the return pipe (30), the ball (50) will be actively driven and guided by the spiral pattern (31) to be actively generated When the side is turned at a specific angle (please observe it at the same time as shown in the tenth figure), when the ball (50) returns to the slideway (51) and bears the load, it will no longer be in a specific position (single point) Always apply force to avoid deformation of the ball (50) from the place where the force is often applied to effectively extend the service life of the linear slide, and use the spiral pattern (31) with an odd number that cannot be divided. The design is designed to prevent the ball (50) from turning sideways and then returning to the original position, or repeating the cycle in a specific cycle with specific upper, lower two points or upper, lower, left, and right points. Force, and when the ball (50) is turned from the turning groove (41) with a larger outer diameter into the return pipe (30), it will be caused by the natural spiral law during the pushing process of the ball (50) Concentricity is formed so that the balls (50) can run regularly at the same rate, so as to avoid disturbing noises or abnormal sounds.

In summary, this creation has indeed achieved a breakthrough structural design, with improved creative content, and at the same time, it can achieve industrial applicability and progress. This creation has not been seen in any journals, and it is also novel. Comply with the relevant provisions of the Patent Law and propose new models in accordance with the law For patent applications, I ask the examiner of the Bureau to grant legal patent rights.

The above is only one of the preferred embodiments of this creation. When it cannot be used to limit the scope of implementation of this creation; that is, all equal changes and modifications made according to the scope of the patent application for this creation shall still belong to this creation. Within the scope of the patent.

Claims (8)

A return path structure of a linear slide rail includes: a slide rail, a slide block, at least two return tubes and two end caps, wherein a slide groove is provided at the center of the bottom of the slide block, and the slide block passes through the slide path. A groove is provided on the slide rail, and at least one slide rail is provided between the slide groove and two sides of the slide rail, and a plurality of balls are slid in the slide rail so that the slider can pass through the slide rail. The ball is reciprocated back and forth on the slide rail, and the number of the slide rails on the outside of each slide rail is matched with the number of slide rails on the same side and runs through the slide rails at the same time. Linear return channels on the front and rear end surfaces; the inner tube portion of the return tube has a number of helical lines, and the helical lines are set in an odd number that cannot be divisible, so that the balls can be passed through the return tube. The spiral pattern is driven to generate a lateral flip at a specific angle, and the return tube is passed through the return channel; the two end caps are respectively arranged on the front surface and the rear surface of the slider, and use it The connection and conduction of the turning groove provided with a turning shape on the inner side surface enables the above-mentioned plurality of balls to be connected in all directions. Between the chute and the return pipe reflow cycles do scroll. The return path structure of the linear slide rail according to claim 1, wherein two slide paths are provided between each of the slide groove and two sides of the slide rail, so that the return passage, the return pipe and the slewing groove can be opposite to this. Set the same number of slides on each side. The return path structure of the linear slide rail according to claim 1, wherein the return tube is a wear-resistant plastic tube. The return path structure of the linear slide rail according to claim 1, wherein three spiral patterns are provided in an inner tube portion of the return tube. The return path structure of the linear slide rail according to claim 1, wherein the spiral tube is provided with five spiral patterns in an inner tube portion of the return tube. The return path structure of the linear slide rail according to claim 1, wherein seven of the spiral patterns are provided in an inner tube portion of the return tube. The return path structure of the linear slide rail according to claim 1, wherein a scraper is further combined on each of the outer sides of the two end caps. The return path structure of the linear slide rail according to claim 1, wherein an upper retainer is further provided between the slide rail and the slider.