CN202451602U - linear slider - Google Patents

Abstract

The utility model discloses a linear slider, which comprises a base, circulators assembled at two ends of the base and a plurality of balls; wherein the base has a rail groove, a load rail and a no-load rail; the circulator is provided with a slide rail channel and a circulating track communicated with a load rail and a non-load rail; the balls are accommodated in the load rail, the no-load rail and the circulating rail. Wherein the circulator comprises a first body and a second body which are combined; the first body is provided with a rigid structure body and a soft coating body, and a stopping part for abutting against the linear slide rail is formed on the periphery of the slide rail channel of the soft coating body. Therefore, the utility model discloses a linear slider structure can reach efficiency such as simplification processing procedure and equipment operation.

Description

linear slider

technical field

The utility model relates to a linear slide block, in particular to a linear slide block used to load a moving object and make the moving object move along a linear slide rail.

Background technique

The known linear slider and linear slide rail are one of the common linear motion devices. The linear slider is composed of a base, two circulators and a plurality of balls. The bottom surface of the base is recessed with a rail matching the linear slide rail The two side walls of the rail groove are respectively provided with load rails, and the two sides of the base are respectively provided with non-load rails connecting the two ends of the base; the circulator is usually a plastic injection-molded structure, which is used to combine Both ends of the seat connect the loaded track to the unloaded track through the circulator, so multiple balls are arranged and stored in the loaded track and the unloaded track. In order to scrape off foreign objects such as iron filings and dust on the surface of the linear slide, the linear slide is usually designed with chip removal structures on both sides of the linear slide, and a scraper is assembled on the outer end of the circulator. The scraper is provided with a groove corresponding to the linear slide rail, and a soft scraper is combined around the groove, so that the soft scraper is against the surface of the linear slide rail, and iron filings and dust can be removed when the linear slider moves. Wait for foreign matter to be excluded.

However, since the circulator is made by plastic injection molding, it is prone to stress concentration, resulting in deformation and other dimensional errors, which makes the manufacturing and molding more difficult and unfavorable for assembly operations. At the same time, the known circulator not only has a circular track structure for multiple balls to rotate between the loaded track and the unloaded track, but also has an oil passage structure on the inner end surface, resulting in a compact and complicated overall structure, making it impossible for the soft scraper to Secondary injection processing through the circulator is dependent on molding, and must be separately manufactured and assembled. Therefore, the manufacturing process of the conventional circulator and the soft scraper is cumbersome, and the manufacturing cost is not easy to reduce. Therefore, how to propose a linear slider that can overcome the above-mentioned many deficiencies is the technical feature to be disclosed by the utility model.

Utility model content

In view of this, the technical problem to be solved by the present invention is to provide a linear slider , so that the circulator and the soft stopper can simplify the manufacturing process and assembly operation and reduce the cost.

In order to solve the above-mentioned technical problems, the technical solution of the present utility model is implemented as follows: a linear slider, used for assembling and sliding on a linear slide rail; Circulators at both ends, and a plurality of balls movably accommodated in the base and the circulator; the base includes a track groove, at least one load rail respectively formed on the two side walls of the track groove, and respectively arranged on at least one non-load rail in the base, and make the rail groove, the load rail and the non-load rail communicate with the corresponding two ends of the base; the circulator has a slide rail passage corresponding to the rail groove, and Used to connect the circulating track between the load rail and the unloaded rail; the plurality of balls are rollingly accommodated in the load rail and the unloaded rail of the base and the circulating track of the circulator, and the circulator includes A first body and a second body matched with the first body; the first body includes a rigid structure and a soft covering body; one end of the rigid structure is recessed with a first channel, and the other parts It is composed of a plurality of ribs connected with the same width, and there are slots formed between the ribs to provide the soft covering body to form and combine together; the soft covering body is injection molded on the section of the rigid structure Groove, the soft covering body forms at least one stop portion for abutting against the linear slide rail around the first channel of the rigid structure; and, one end of the second body is recessed with a pair of the first A second channel of a channel, the first channel and the second channel are synthesized into the slide channel.

Further, the split groove extends to the side of the rigid structure, and the soft covering body is formed in the split groove and extends to the side of the rigid structure.

Further, the side of the first body corresponding to the second body is provided with a half circulation groove; the side of the second body corresponding to the first body is provided with another half circulation groove, and the half circulation groove of the first body is connected with the first body The semicircular grooves of the two bodies combine to form the circular track.

Further, the side of the second body is provided with at least one slot for stress relief, and the first body is provided with a protrusion fitting into the slot.

The technical effects achieved by the utility model are as follows: the linear slider of the utility model can utilize the ribs and slotted structures of equal width in the rigid structure of the first body to eliminate the stress phenomenon of plastic injection molding, so as to improve the precision of the circulator. degree of efficacy. The utility model can use the structure of the rib and the cut groove to provide the basis for the injection molding of the soft covering body, so that the soft covering body can also be integrally formed around the slide rail channel of the corresponding linear slide rail with a stop The stop part is used to lean against the surface of the linear slide rail to scrape off foreign matter during sliding, so as to prevent foreign matter from invading the linear slide block, thereby achieving the effect of ensuring the precision, smoothness and stability of the linear slide block when sliding. In particular, the utility model can achieve the effects of making the circulator easy and reducing its manufacturing cost.

Description of drawings

Figure 1 is an exploded three-dimensional schematic diagram of the linear slider and the linear slide rail of the utility model;

Fig. 2 is an exploded three-dimensional schematic diagram of a preferred embodiment of the linear slider of the present invention;

Figure 3 is a schematic cross-sectional view of the combination of the linear slider and the linear slide rail of the utility model;

Fig. 4 is an exploded three-dimensional schematic diagram 1 of a preferred embodiment of the circulator of the present invention;

Fig. 5 is an exploded three-dimensional schematic diagram II of a preferred embodiment of the circulator of the present invention;

Fig. 6 is a combined stereoscopic schematic diagram of a preferred embodiment of the first body of the present invention;

Fig. 7 is an exploded three-dimensional schematic diagram 1 of a preferred embodiment of the first body of the present invention;

Fig. 8 is an exploded perspective view II of a preferred embodiment of the first body of the present invention;

Among them, the label description is as follows:

Linear slide 10 Linear slide 20

Base 1 Rail Groove 11

Loaded rail 12 Unloaded rail 13

Circulator 2 Rail channel 21

First channel 211 Second channel 212

Circular track 22 Semi-circular groove 221

Half circulation tank 222 First body 23

Rigid structure 231 Rib 2311

Grooving 2312 Soft covering 232

Second body 24 cut groove 241

Convex part 25 Stop part 26

Ball 3 .

Detailed ways

Referring to Fig. 1 and Fig. 2, the linear slider 10 of the present utility model is used to assemble a sliding mechanism on a linear slide rail 20, and its preferred embodiment includes a base 1, two The circulator 2 assembled on the corresponding two ends of the base 1, and a plurality of balls 3 movably accommodated in the base 1 and the circulator 2, wherein: the base 1 includes a recessed rail groove 11 formed in the At least one load rail 12 on the two side walls of the rail groove 11, and at least one unloaded rail 13 respectively arranged on both sides of the base 1, and make the rail groove 11, the load rail 12 and the unloaded rail 13 communicate with the base 1 correspondingly between the ends. The circulator 2 has a sliding rail channel 21 corresponding to the rail groove 11 , and a circulating rail 22 for linking between the loaded rail 12 and the unloaded rail 13 . The plurality of balls 3 are rolled and accommodated in the load rail 12 and the unloaded rail 13 of the base 1 and the circulation track 22 of the circulator 2, so that the balls 3 can circulate along the load rail 12, the unload rail 13 and the circulation track 22 Roll, and can abut against the linear slide rail 20 when rolling to the load rail 12 (as shown in FIG. 3 ).

4 and 5, the utility model is characterized in that: the circulator 2 includes a first body 23 and a second body 24 matched with the first body 23 . Referring to Figures 6 to 8 again, the first body 23 includes a rigid structure 231 that is injection-molded for the first time, and a soft covering body 232 that is injection-molded for the second time; one end of the rigid structure 231 A first channel 211 for forming the slide rail channel 21 is recessed, and the other parts of the rigid structure 231 are formed by a plurality of ribs 2311 connected with equal widths, and there is a gap between the ribs to provide soft covering. The sectional groove 2312 formed by the body 232 and combined together; the soft covering body 232 is injection-molded in the sectional groove 2312 of the rigid structure 231, and the flexible covering body 232 is surrounded by the first channel 211 of the rigid structure 231 Form at least one stopper 26 for abutting against the linear slide rail 20; 212 and synthesize the above-mentioned slide rail channel 21.

Referring to Figure 7 and Figure 8 again, the utility model is implemented in that the rigid structure 231 is a hard structure that is injection molded for the first time, so that the above-mentioned sectional groove 2312 extends to the side of the rigid structure 231, as shown in the figure The two sides and the top edge shown, and the soft covering body 232 is also formed in the sectional groove 2312 and extends to the side of the rigid structure body 231, thereby making the soft covering body 232 and the rigid structure body 231 They are stably combined together, and at the same time, the internal stress of the circulator 2 of the utility model can be eliminated.

Referring to Fig. 4 and Fig. 5 again, the first body 23 of the utility model is provided with a half circulation groove 221 on the side corresponding to the second body 24, and the second body 24 is provided with another side corresponding to the first body 23. Half circulation groove 222, therefore, when the half circulation groove 221 of the first body 23 and the half circulation groove 222 of the second body 24 match each other, promptly must constitute above-mentioned this circulation track 22, when the first body 23 and the second body 24 are combined to form the circulator 2, and when the circulator 2 is combined at both ends of the base 1, the circulation rail 22 can be communicated between the load rail 12 and the unload rail 13.

In addition, referring to Fig. 4 and Fig. 5 again, the utility model can also be provided with at least one notch 241 for stress relief on the side of the second body 24, and the corresponding position of the first body 23 is provided with The protruding portion 25 fits into the slot 241 , so that the slot 241 of the second body 24 can be used to eliminate the stress during the molding of the second body 24 to maintain its precision.

Through the above-mentioned linear slider of the present utility model, the medium-width rib 2311 and the cut-away groove 2312 structure in the rigid structure 231 of the first body 23 can be used to eliminate the stress deformation phenomenon of plastic injection molding, so as to improve the dimensional accuracy of the circulator. effect. The utility model can utilize the structure of the rib 2311 and the cut groove 2312 of the rigid structure body 231 to provide the basis for the secondary injection molding of the soft covering body 232, so that it can be around the slide rail channel 21 of the corresponding linear slide rail 20 at the same time A soft stopper 26 is integrally formed, so that the stopper 26 is used to scrape off foreign matter against the surface of the linear slide rail 20 when sliding, and prevent foreign matter from invading the linear slider 10. Therefore, the utility model can also ensure the linear sliding The precision and smooth and stable effect when the block 10 slides. In addition, the utility model can use the integrally molded soft covering body 232 to form the stopper 26 at the same time, without the need for additional manufacturing and assembly, so the utility model can further achieve the effect of making the circulator easier and reducing its manufacturing cost. .

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model.

Claims (4)

1. A linear slider, used to slide on a linear slide rail; it comprises: a base, two circulators assembled at opposite ends of the base, and a plurality of circulators movably accommodated in the base and the balls in the circulator; the base includes a rail groove, at least one load rail respectively formed on the two side walls of the rail groove, and at least one unloaded rail respectively arranged in the base, and the rail The groove, the load rail and the non-load rail communicate with the corresponding two ends of the base; the circulating track; the plurality of balls are rollingly accommodated in the load rail and the unloaded rail of the base and the circulating track of the circulator, and it is characterized in that: the circulator includes a first body and a A paired second body; the first body includes a rigid structure and a soft covering body; one end of the rigid structure is recessed with a first channel, and other parts are formed by a plurality of equal-width connected ribs , and a split groove is formed between the ribs to provide the soft covering body to be molded and bonded together; the soft covering body is injection molded into the split groove of the rigid structure, and the soft covering body is formed on the rigid structure At least one stop portion for abutting against the linear slide rail is formed around the first channel of the rigid structure; and one end of the second body is recessed with a second channel corresponding to the first channel, and the first channel Combine with the second channel and composite the rail channel. 2. The linear slider according to claim 1, wherein the sectional groove extends to the side of the rigid structure, and the soft covering body is formed in the sectional groove and extends to the side of the rigid structure side. 3. The linear slider according to claim 1, wherein a half circulation groove is provided on the side of the first body corresponding to the second body; another side of the second body is provided on the side corresponding to the first body. In the half circulation groove, the half circulation groove of the first body is combined with the half circulation groove of the second body to form the circulation track. 4. The linear slider according to claim 1, wherein the side of the second body is provided with at least one notch for stress relief, and the first body is provided with a protrusion that fits into the notch. department.

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