TWM467761U - Linear sliding rail and circulation module thereof - Google Patents

Description

Linear slide and its circulation module

This creation relates to a kind of slide rail, and in particular to a linear slide rail and a circulation module thereof.

Due to the continuous development and improvement of precision feed systems, linear drive technology and its products have become the most important part of many precision machines. A wide range of linear mechanism products have been widely used in human life, processing plants and high-tech equipment. Inside, for example, linear slides; although the development of linear mechanism technology is very rapid, it still needs continuous improvement of technology, so it also has many problems to be developed, and related technology industries are actively developing and improving linear mechanisms. A variety of new creations.

The linear slide rail mainly comprises a guide rail and a slider slidably fitted on the guide rail, and the slider is provided with a rolling surface relative to the guide rail and a rolling element between the slide rail and the slider (dividible It is a chain type and a non-chain type), a circulation module that allows the rolling elements to circulate indefinitely, and two end covers that are attached to both ends of the slider. Wherein, the end cap is made of metal and its inner edge is formed with a track structure for steering the rolling element, thereby achieving the effect of positioning the rolling element through the end cover (eg, Taiwan Invention No. TW I376467 B1) .

However, the conventional end cap construction is too complicated and will be detrimental to the manufacturing process such as mold design or mold opening. Moreover, since the conventional end caps also bear the responsibility of positioning the rolling elements, this will cause a lot of inconvenience in the assembly of the conventional linear slide rails.

Therefore, the creator feels that the above-mentioned deficiency can be improved. He is devoted to research and cooperates with the application of theory, and finally proposes a creation that is reasonable in design and effective in improving the above-mentioned deficiency.

The present invention provides a linear slide rail and a circulation module thereof, which can be used for quickly loading a rolling unit and facilitating the construction of the end cover module.

The present invention provides a linear slide rail comprising: a guide rail having a rolling groove formed on opposite sides thereof; a slider having a matching groove recessed therein, and the engaging groove of the slider is slidably sleeved On the guide rail, the slider is formed with two through receiving passages on opposite sides of the matching groove; two circulating modules are respectively installed on opposite sides of the slider, and each circulating module The utility model comprises: a two-circulation sleeve which is disposed in two adjacent accommodation channels, and each circulation sleeve protrudes at least partially beyond the slider, and each circulation sleeve protrudes outside the slider Forming a filling inlet; two rolling units are respectively installed in the two circulating sleeves through the two filling inlets, and the two rolling units are slidably clamped on the guide rail at a portion other than the two circulating sleeves And the two spacers are respectively disposed on the two circulating sleeves to shield the two filling inlets; the two retainers are respectively located on opposite sides of the rail and are mounted on the slider And the two retainers respectively position and maintain the two loop modules relative to each other The position of the guide rail; and the two end cover modules are respectively mounted on the slider and slidably sleeved on the guide rail, and the two end cover modules cover the two circulation modules protruding from the slider The circulating sleeve portion and the spacer are outside, and each rolling unit portion located outside the slider is separated from the spacer by the corresponding circulating sleeve, and is respectively spaced apart from the end cover module.

The embodiment of the present invention further provides a circulation module of a linear slide rail for mounting on a slider, and the circulation module includes: a two-circulation sleeve which is disposed through the slider, and each circulation sleeve is at least a portion is exposed outside the slider, and each of the circulating sleeves is exposed at a portion outside the slider to form a filling inlet; two rolling units are respectively installed in the two circulating sleeves through the two filling inlets, And the two rolling units are rotatably disposed on the slider at a portion other than the two circulating sleeves; and two spacers are respectively disposed on the two circulating sleeves to shield the two filling inlets.

In summary, the linear slide rail and the circulation module provided by the embodiment of the present invention, Through the spacers, the circulation module can be easily loaded with chain rolling elements (such as balls or rollers) or non-chain rolling elements. The rolling unit is shielded by the circulating sleeve and the spacer so that the end cap module does not need to be designed according to the rolling unit to have an associated track structure, thereby making the production of the end cap module easier.

In order to further understand the features and technical contents of the present invention, please refer to the following detailed description and drawings of the present invention. However, the drawings are only for reference and explanation, and are not intended to limit the scope of the present invention. .

100‧‧‧Linear slides

1‧‧‧rail

11‧‧‧ rolling groove

111‧‧‧ bottom wall

112‧‧‧Load side wall

12‧‧‧Abutment

2‧‧‧ Slider

21‧‧‧With slot

211‧‧‧Positioning ditch

212‧‧‧ side positioning groove

213‧‧‧ Carrying wall

22‧‧‧ accommodating channel

23‧‧‧Installation end face

3‧‧‧Circuit module

31‧‧‧Circulating casing

311‧‧‧ Straight line

312‧‧‧ Turning section

313‧‧‧ Fill in the entrance

314‧‧‧ oil guide

32‧‧‧ spacer

33‧‧‧ rolling unit

4‧‧‧ Keeper

41‧‧‧Limited parts

411‧‧‧ base

4111‧‧‧Installation slot

4112‧‧‧Clamping clip

412‧‧‧Flanking

4121‧‧‧Limited holes

4122‧‧‧Arc wall

4123‧‧‧Long side wall

4124‧‧‧Limited column

4125‧‧‧Installation strip

42‧‧‧Parts

421‧‧‧ fitting column

422‧‧‧ buckle column

43‧‧‧Dust strip

5‧‧‧End cap module

51‧‧‧ cover

511‧‧‧Track mouth

512‧‧‧Outer end face

513‧‧‧ inside end

514‧‧‧ ring side

515‧‧‧ oil hole

516‧‧‧ side oil hole

517‧‧‧ accommodating slots

52‧‧‧Dust-proof parts

521‧‧‧ Oil block

5211‧‧‧ oil guiding path

5212‧‧‧Inlet

5213‧‧‧ Oil outlet

522‧‧‧Dust sheet

5221‧‧‧Dust brush

523‧‧‧Front

53‧‧‧ accommodating space

S‧‧‧ sliding direction

Figure 1 is a perspective view of the linear slide rail of the present invention.

Figure 1A is a cross-sectional view of Figure 1 taken along line A-A.

Figure 1B is a cross-sectional view taken along line B-B of Figure 1.

FIG. 2 is an exploded perspective view of the created linear slide rail.

FIG. 3 is an exploded perspective view of the present invention when the linear slide rail does not include the end cover module.

Figure 4 is a schematic view of the slider of the creative linear slide.

FIG. 5 is a schematic diagram of a set of loop modules and holders for creating a linear slide rail.

Figure 6 is a schematic view of another perspective of Figure 5.

Fig. 7 is an exploded perspective view showing the circulation sleeve and the spacer of the linear slide.

FIG. 8 is a partial cross-sectional view showing a set of loop module sliders of the linear slide rail mounted on the slider.

FIG. 9 is a partial cross-sectional view showing a set of the circulation module and the holder of the linear slide rail mounted on the slider.

FIG. 10 is an exploded perspective view of the end cap module of the linear slide rail.

Figure 11 is an exploded perspective view of another perspective of Figure 10.

Figure 12 is a schematic view of the end cap module of the linear slide.

Please refer to FIG. 1 and FIG. 2 , which is an embodiment of the present invention. The embodiment is a linear slide rail 100 including a guide rail 1 , a slider 2 , a two-cycle module 3 , two retainers 4 , and two End cap module 5. The two-cycle module 3 is disposed on the slider 2, The two retainers 4 are respectively disposed on the two circulating modules 3, and the two end cap modules 5 are fixed to opposite mounting end faces 23 of the slider 2 (such as the front end surface and the rear end surface of the slider 2 of FIG. 2). The slider 2, the circulation module 3, the holder 4, and the end cover module 5 are slidably mounted on the guide rail 1 and are substantially symmetrical to the guide rail 1.

Referring to FIG. 3, the guide rail 1 has an elongated shape, and the longitudinal direction of the guide rail 1 is defined as a sliding direction S, and the cross section of the guide rail 1 in the longitudinal direction thereof is substantially I-shaped. Specifically, the opposite side surfaces of the guide rail 1 (the left side surface and the right side surface of the guide rail 1 in FIG. 2 ) are recessed to form an elongated rolling groove 11 parallel to the sliding direction S, and are connected to the rolling groove. The surfaces on both sides of each of the 11 are defined as an abutting surface 12. Each of the rolling grooves 11 has a bottom wall 111 and two load side walls 112, and the two load side walls 112 are respectively connected to opposite side edges of the bottom wall 111 (such as the top and bottom edges of the bottom wall 111 of FIG. 2). .

Referring to FIGS. 3 and 4, the slider 2 is substantially elongated, and the length of the slider 2 is smaller than the length of the guide rail 1. The slider 2 is recessed with a matching groove 21, that is, the cross section of the slider 2 perpendicular to the longitudinal direction thereof is substantially inverted U-shaped, and the slider 2 is slidably sleeved on the guide rail 1 with the matching groove 21 thereof. on. Wherein, the longitudinal direction of the slider 2 is parallel to the longitudinal direction of the guide rail 1 (that is, the sliding direction S), and the inner edge of the engaging groove 21 forms a space with the opposite sides of the guide rail 1 (see FIG. 1A). For accommodating the partial circulation module 3 and the holder 4.

Since the slider 2 has a structure that is substantially symmetrical with respect to the guide rail 1, the one side portion of the slider 2 will be described below. In more detail, as seen from either of the inner edges of the engaging groove 21, the inner edge of the engaging groove 21 is formed with a positioning groove 211, two side positioning grooves 212, and two bearing walls 213 along the longitudinal direction thereof.

The two bearing walls 213 are respectively disposed between the positioning groove 211 and the two side positioning grooves 212, and the slider 2 is viewed from a cross section of any vertical sliding direction S (Fig. 1A), the two bearing walls The mid-perpendicular lines of 213 intersect substantially perpendicularly to the position where the positioning groove 211 is away from the guide rail 1. In other words, the positioning groove 211 and the two bearing walls 213 correspond to the rolling groove 11 , and the positioning groove 211 and the bottom wall 111 of the rolling groove 11 In this direction, the two load-bearing walls 213 and the two load side walls 112 of the rolling groove 11 face each other.

Furthermore, the slider 2 is formed with a through receiving passage 22 along its length at a specific distance from each of the bearing walls 213. More specifically, if the slider 2 is viewed from the cross section of the vertical sliding direction S, The center line of each of the carrier walls 213 is substantially centered by its corresponding receiving channel 22.

As shown in FIG. 3, the two cycle modules 3 are respectively disposed on opposite sides of the slider 2 (such as the left inner edge and the right inner edge of the slider 2 in FIG. 3), because the two cycle modules 3 For the same configuration, therefore, only one cycle module 3 and other component configurations corresponding thereto will be described below, and then the case where the cycle module 3 is mounted on the slider 2 will be described.

Referring to FIGS. 5 and 6 , the circulation module 3 has two circulation sleeves 31 , two spacers 32 , and two rolling units 33 . Here, each of the above-mentioned circulation sleeves 31 is a structure in which a plurality of sheets are assembled in the present embodiment, but for convenience of explanation, each of the circulation sleeves 31 will be described as a whole in the following. In the embodiment, each of the rolling units 33 is exemplified by a chain roller, but the rolling unit 33 may also be in the form of a non-chain or a ball, which is not limited herein.

In more detail, as shown in FIG. 7, each of the circulation sleeves 31 defines a straight section 311 and two substantially U-shaped turning sections 312 extending from opposite ends of the straight section 311. The length of the straight section 311 is slightly longer than the length of the accommodating passage 22, and the ends of the two turning sections 312 face each other and the distance between the two is slightly smaller than the length of the accommodating passage 22. One of the two turning sections 312 is formed with a filling inlet 313 adjacent to the straight section 311. The spacer 32 is curved and is disposed on the circulation sleeve 31 to shield the filling inlet 313. Further, the circulating sleeve 31 and its corresponding spacer 32 are collectively surrounded to form a rolling path, and the rolling path can only be communicated to the outside by the ends of the two turning sections 312.

In addition, the inner edge of the circulation sleeve 31 and its corresponding spacer 32 are formed with a continuous track structure for the above-mentioned rolling unit 33 to be mounted thereon. Moving; and the outer edges of both the circulation sleeve 31 and its corresponding spacer 32 are formed with a continuous stepped configuration.

In addition, as shown in FIG. 8 , the two circulating sleeves 31 of the circulation module 3 are respectively disposed in the adjacent two accommodating passages 22 in the straight line segment 311 , so as to penetrate the stepped structure of the outer edge of the straight line segment 311 . It is smoothly and stably installed in the accommodating passage 22, and the ends of the two turning sections 312 of each circulating sleeve 31 are located on the corresponding carrying walls 213 of the accommodating passages 22 to which they are mounted. Wherein, the portion of the straight line 311 adjacent to the filling inlet 313 protrudes and is exposed outside the slider 2, and the turning section 312 formed with the filling inlet 313 is located adjacent to the other turning section adjacent to the filling inlet 313 Outside the 312.

In other words, if one end portion of the slider 2 is viewed, one of the circulation sleeves 31 of the two circulation sleeves 31 is formed with a turning section 312 of the filling inlet 313 in which the other circulating sleeve 31 is located. The outer side of the turning section 312 where the inlet 313 is not formed is not formed. That is, the two circulating sleeves 31 of each circulation module 3 are mounted on the slider 2 in an intersecting and misaligned arrangement.

The rolling unit 33 is filled in the circulation sleeve 31 via the filling inlet 313, and the rolling unit 33 passes through the end of one of the two turning sections 312, and continues to pass along the carrying wall 213. The other end of the turn section 312 is finally returned to the fill inlet 313 to form a complete loop. The spacer 32 is mounted on the circulation sleeve 31 after the rolling unit 33 is loaded, so that the rolling unit 33 is shielded from the deflecting section 312 and the spacer 32 so as not to be exposed outside the slider 2. That is, the rolling unit 33 can cyclically move on the track structure of the circulation sleeve 31 and the inner edge of the spacer 32 and its corresponding carrier wall 213.

It should be noted that the two circulation sleeves 31 of each of the circulation modules 3 are respectively formed with an oil guiding port 314 at a portion passing through the slider 2 and adjacent to each other, and the oil guiding port 314 is connected to the The circulation sleeve 31 accommodates the space of the rolling unit 33 for the lubricating oil to enter therein.

Thereby, the linear slide rail 100 of the present invention is provided with the spacer 32 through the circulation module 3 Constructed so that the circulation module 3 can be adapted to be loaded with a chain-type rolling element (such as a ball or a roller) or a non-chain rolling element; that is, the cycle module 3 of the present creation does not need to be as conventional The rolling element is positioned by the end cap module, so that the scroll unit 33 of the present creation is easier to install. Furthermore, the rolling unit 33 is shielded by the circulation sleeve 31 and the spacer 32, so that the end cover module 5 does not need to be designed with the relevant track structure according to the rolling unit 33, thereby making the production of the end cover module 5 easier. (For example, the mold design of the end cap module 5 is simpler and easier to open).

As shown in FIG. 1A and FIG. 2, the two retainers 4 are respectively disposed between the inner edges of the engaging grooves 21 and opposite sides of the guide rail 1, and the two retainers 4 are respectively used for positioning and maintaining the above two The position of the circulation module 3 relative to the guide rail 1. Since the two retainers 4 are of the same configuration and the positions of the mounting are also symmetrical to the above-mentioned guide rail 1, only one retainer 4 and its corresponding other component configurations will be described below, and then the retaining will be described. The case where the device 4 is mounted on the slider 2 is used.

Referring to FIG. 5 and FIG. 6 , the retainer 4 has a long shape and a length greater than the length of the slider 2 . The retainer 4 has a limiting member 41 , a top abutting member 42 , and two dustproof strips 43 . The limiting member 41 has an integrally formed structure, and the limiting member 41 has a substantially V-shaped cross section perpendicular to the longitudinal direction thereof, and the V-shaped outer edge of the limiting member 41 has a substantially planar shape.

In more detail, the limiting member 41 includes an elongated base portion 411 and two side wing portions 412. The two side wing portions 412 are obliquely inclined away from each other from the opposite long side edges of the base portion 411 (see FIG. 5). The base portion 411 in the upper left and lower left is extended to form. The base portion 411 is formed with a strip-shaped mounting groove 4111 along a longitudinal direction thereof at a substantially central portion thereof, and the base portion 411 is formed with a plurality of fastening clips 4112 at both ends of the adjacent mounting groove 4111.

Furthermore, the two side wing portions 412 are formed with an elongated limiting hole 4121 along the longitudinal direction thereof, and one of the limiting holes 4121 of the two limiting holes 4121 is oriented toward the one side of the mounting groove 4111 (eg, The upper limiting hole 4121 in FIG. 5 is offset from the right side of the mounting groove 4111, and the other limiting hole 4121 is compared to the mounting. The groove 4111 is offset from the opposite side (the lower side of the limiting hole 4121 in FIG. 5 toward the left side of the mounting groove 4111).

In other words, each of the limiting holes 4121 is surrounded by two long side walls 4123 and two arc-shaped walls 4122, and the two long side walls 4123 extend toward each other to form an elongated limiting post 4124. The distance between the end faces of the two limiting posts 4124 of each side wing portion 412 is smaller than the distance between the adjacent arcuate walls 4122. Furthermore, the two side wings 412 are respectively provided with a mounting strip 4125 at a position away from the base 411, and the mounting strips 4125 are geometrically engageable with the side positioning grooves 212.

The abutting member 42 includes a fitting post 421 and two engaging posts 422. The cross-section of the fitting post 421 perpendicular to the longitudinal direction thereof is substantially hexagonal, and opposite sides of the fitting post 421 (see FIG. 5). The front side and the rear side of the fitting post 421 are geometrically fitted to the positioning groove 211 and the mounting groove 4111, respectively, and the two fastening posts 422 are cylindrical and respectively opposite the opposite end faces of the fitting post 421 ( The left end surface and the right end surface of the fitting post 421 in FIG. 5 are integrally extended.

Furthermore, the abutting member 42 is fitted to the mounting groove 4111 of the limiting member 41 at one side of the fitting post 421, and the two fastening posts 422 are respectively clamped to the two sets of the fastening clips 4112. And the two long-type dust-proof strips 43 are installed (eg, pasted) at positions where the side wings 412 are away from the base 411 and are substantially on opposite sides of the mounting strip 4125, that is, the two long-shaped dust-proof strips 43 is installed at the end of the V-shaped outer edge of the limiting member 41.

Referring to FIG. 1A and FIG. 9 and referring to FIG. 5 and FIG. 6 as appropriate, the collocation relationship between the retainer 4 and each component is generally described as follows. The retaining member 4 is engaged with the slider 2: the fitting post 421 of the abutting member 42 is fitted to the positioning groove 211 of the slider 2, and the two side wing portions 412 mounting strips 4125 are respectively fitted to the slider 2 Side positioning groove 212. The combination of the retainer 4 and the circulation module 3: the two circulating sleeves 31 of the circulation module 3 are respectively limited to the two limiting holes 4121 of the limiting member 41, and further, the two turning segments of each circulating sleeve 31 The two ends of the 312 are respectively fastened to the corresponding limiting holes 4121 of the corresponding holes The wall 4122 and the end face of the limiting post 4124 adjacent to the arcuate wall 4122, and the rolling unit 33 on each of the carrying walls 213 pass through the corresponding limiting hole 4121. The keeper 4 is matched with the guide rail 1 : a gap is left between the V-shaped outer edge of the limiting member 41 and the rolling groove 11 of the guide rail 1 , and the two dustproof strips 43 respectively abut against the two sides of the rolling groove 11 Abutting surface 12.

Therefore, the linear slide rail 100 of the present invention is designed with the position limiting member 4121 of the retainer 4 through the position limiting member 4121 and the top abutting member 42 can be engaged with the limiting member 41 and the slider 2 to make the cross misalignment. The two circulating sleeves 31 arranged are effectively positioned by the holder 4. Further, the retainer 4 passes through the dustproof strip 43 to prevent impurities or dust from entering the rolling groove 11 through the abutting surface 12.

Referring to FIG. 2, the two end cover modules 5 are respectively mounted on the two mounting end faces 23 of the slider 2 and slidably sleeved on the guide rails 1. The two end cover modules 5 cover the two circulating modes. The group 3 is exposed to the portion of the circulation sleeve 31 outside the slider 2 and the spacer 32, and the portion of each rolling unit 33 located outside the slider 2 is separated from the spacer 32 by the corresponding circulation sleeve 31, and The two end cover modules 5 are respectively spaced apart from each other, that is, the rolling unit 33 is not in contact with the end cover module 5.

Since the two end cover modules 5 have the same structure and the positions of the installation are also symmetrical to the slider 2, only one end cover module 5 and other corresponding component configurations are described below, and then Next, the case where the end cap module 5 is mounted on the slider 2 and the guide rail 1 will be described.

Referring to FIG. 10 and FIG. 11 , the end cap module 5 has a cover body 51 and a dustproof member 52 . The cover body 51 has an inflexible structure and is made of a hard material such as metal. The dust-proof member 52 has a flexible structure and is made of a soft material (for example, rubber), and the cover 51 and the dust-proof member 52 have a single-piece integrated structure.

The cover 51 is an inverted U-shaped structure that is matched with the guide rail 1. That is, the cover 51 is formed with a rail opening 511 whose contour substantially corresponds to and slightly larger than the cross-sectional shape of the guide rail 1. The cover 51 defines an outer end surface 512 and an inner end. The surface 513 and the side surface 514 of the ring, the outer end surface 512 and the inner end surface 513 are located at opposite ends of the cover 51, and the ring side surface 514 is connected between the outer end surface 512 and the inner end surface 513. Furthermore, the cover body 51 is formed with an oil injection hole 515 penetrating from the outer end surface 512, and the ring side surface 514 is formed with two side oil injection holes 516 penetrating therein, and the cover body 51 is recessed from the inner end surface 513. The receiving groove 517.

The dustproof member 52 is formed with an oil passage block 521 and a dustproof piece 522 integrally formed from an end edge of the oil passage block 521. The oil passage block 521 is recessed to form an oil guiding path 5211, and the dustproof piece 522 is formed with a dustproof piece 522. The dust-proof brush 5221 has a contour that is geometrically engageable with the guide rail 1 in a tight fit. In more detail, the oil guiding path 5211 is formed with three oil inlets 5212 and two oil outlets 5213, and the oil guiding path 5211 is formed by recessing the surface of the oil passage block 521 away from the dustproof sheet 522. The surface of the oil passage block 521 protrudes from the periphery of the oil guiding path 5211 with a flange 523 substantially surrounding the oil guiding path 5211.

As shown in FIG. 12 and in accordance with FIG. 10 and FIG. 11, the dust-proof member 52 is mounted (eg, fitted) in the receiving groove 517 of the cover 51, wherein the surface of the oil block 521 is away from the surface of the dust-proof piece 522. The inner end surface 513 of the body 51 is aligned, and the flange 523 slightly protrudes from the inner end surface 513. The oil inlet 5212 of the oil guiding path 5211 communicates with the oil hole 515 and the side oil hole 516, respectively. Moreover, the oil injection hole 515 is provided with a grease nozzle (not shown), and the two side oil injection holes 516 are respectively provided with a stop screw (not shown).

Furthermore, the dust-proof brush 5221 of the dust-proof sheet 522 is disposed on the rail opening 511 of the cover 51, and the dust-proof sheet 522 and the cover 51 define an accommodation space 53. Further, the accommodation space 53 is equivalent to The cover 51 accommodating groove 517 is not provided with a region of the dustproof member 52.

Referring to FIG. 1B , FIG. 2 and FIG. 12 , when the end cap module 5 is mounted on the mounting end surface 23 of the slider 2 , the circulation module 3 is exposed on the circulation sleeve 31 outside the slider 2 . The spacer 32 is received in the accommodating space 53 , and the louver 32 and the circling sleeve 31 of the circulatory sleeve 31 are substantially abutted against the dustproof piece 522 . Furthermore, The stopper 41 of each holder 4 protrudes from the portion of the slider 2, and its end abuts against the dustproof sheet 522. The flange 523 of the oil passage block 521 of the dustproof member 52 abuts against the mounting end surface 23 of the slider 2 without a gap, and each oil outlet 5213 of the oil guiding path 5211 is connected to each of the cycles. The module 3 is located at an oil guiding port 314 outside the mounting end face 23 of the slider 2. In other words, the oil guiding path 5211 is located between the oil filling hole 515 of the cover body 51 and the side oiling hole 516 and the adjacent oil guiding ports 314 thereof, so that the oil filling hole 515 of the cover body 51 and the side oiling hole 516 and the phase thereof The adjacent oil guiding ports 314 are in communication via the oil guiding path 5211 of the dustproof member 52.

Therefore, the linear slide rail 100 of the present invention is formed with the oil guiding path 5211 through the dustproof member 52, so that the cover body 51 does not need to form an oil path as conventionally, thereby making the mold design of the cover body 51 of the present invention easier. Easy to open the mold. Furthermore, the dustproof member 52 of the end cap module 5 is sandwiched between the cover body 51 and the slider 2. This structural design makes the linear slide rail 100 have a shock absorbing effect and can pass through the soft dustproof member 52. The effect of absorbing the mismatch between the cover 51 and the slider 2 is achieved.

[Possible effects of this creative embodiment]

In summary, the linear slide provided by the present embodiment does not need to be configured to position the rolling element through the end cap module as in the prior art. Further, the creation is a structure in which the loop module is provided with a spacer so that The circulation module can be adapted to load chain rolling elements (eg balls or rollers) or non-chain rolling elements. Furthermore, the end cap module of the present embodiment shields the rolling unit through the circulation sleeve and the spacer without the steering structure related to the rolling unit design, thereby making the mold design of the end cap module easier and easier to mold. .

Moreover, in the embodiment of the present invention, the limiting member of the retainer is designed with the position limiting hole arranged in the wrong position and the top abutting member can be fitted to the limiting member and the slider, so that the two circulating sleeves arranged in the misalignment are effectively retained by the retainer. Positioning. The retainer can also pass through the dust strip to prevent impurities or dust from entering the rolling groove through the abutting surface of the rail.

In addition, in the present embodiment, the oil guiding path is formed through the dustproof member so that the cover body is not provided. The oil path must be formed as in the prior art, which makes the mold design of the cover of the present invention easier and easier to mold. The dustproof member in the end cover module is sandwiched between the cover body and the slider. The structural design makes the linear slide rail have the effect of absorbing shock, and can absorb the cover body and the slider through the soft dustproof member. The effect of the match error.

The above is only a preferred embodiment of the present invention, and it is not intended to limit the scope of the patents of the present invention. Any changes and modifications made to the scope of the patent application of the present invention should be covered by the present invention.

3‧‧‧Circuit module

311‧‧‧ Straight line

312‧‧‧ Turning section

313‧‧‧ Fill in the entrance

314‧‧‧ oil guide

32‧‧‧ spacer

33‧‧‧ rolling unit

Claims (10)

A linear slide rail includes: a guide rail having a rolling groove formed on opposite sides thereof; a sliding block recessed with a matching groove, and a matching groove of the sliding sleeve is slidably sleeved on the guide rail, The sliding block is formed with two through receiving passages on opposite sides of the matching groove; two circulating modules are respectively disposed on opposite sides of the sliding block, and each circulating module comprises: two circulating sleeves a tube is disposed in the two adjacent receiving passages, and each of the circulating sleeves at least partially protrudes beyond the slider, and each of the circulating sleeves protrudes from a portion outside the slider to form a filling The two rolling units are respectively installed in the two circulating sleeves through the two filling inlets, and the two rolling units are slidably clamped on the guide rail and the slider at a portion other than the two circulating sleeves And two spacers respectively disposed on the two circulating sleeves to shield the two filling inlets; two retainers respectively located on opposite sides of the rail and mounted on the slider, and the two retaining Positioning and maintaining the position of the two-cycle module relative to the guide rail; And the two end cover modules are respectively mounted on the slider and slidably sleeved on the guide rail, and the two end cover modules cover the circulation sleeve protruding from the two circulation modules outside the slider The tube portion and the spacer, and each rolling unit portion located outside the slider is separated from the spacer by the corresponding circulating sleeve, and is respectively spaced apart from the end cover module. The linear slide rail according to claim 1, wherein each circulation sleeve defines a straight line segment and two substantially U-shaped turning segments extending from opposite ends of the straight line segment, each of the circulation modules The two circulating sleeves are respectively disposed in the adjacent two accommodating passages in a straight section, and the two turning sections of each circulating sleeve respectively protrude from opposite ends of the slider, and one of each circulating sleeve The steering segment is straight ahead The fill is formed at the section. The linear slide rail according to claim 2, wherein the straight section length of each circulation sleeve is slightly longer than the length of the accommodation passage which is accommodated therein, and the straight section of each circulation sleeve is adjacent thereto The filling portion protrudes beyond the slider. The linear slide rail according to claim 3, wherein one of the circulation sleeves of each circulation module is formed with a filling section adjacent to the inlet, and the other circulation sleeve is not formed with a filling. Outside the steering section of the entrance. The linear slide rail according to any one of claims 1 to 4, wherein each rolling groove has two load side walls, and an inner edge of the matching groove is formed corresponding to each of the rolling grooves facing the two load side walls. Two bearing walls; each rolling unit is sandwiched between the load side wall of the guide rail and the bearing wall of the slider at a position between the ends of the two turning sections of the circulating sleeve. The linear slide rail according to claim 5, wherein the vertical lines of the two bearing walls corresponding to each rolling groove intersect substantially perpendicularly, and the vertical line of each of the bearing walls substantially passes through the corresponding capacity thereof. The center of the channel is placed, and the ends of the two turning sections of each circulating sleeve are located on the corresponding carrying walls of the accommodating passages to which they are mounted. A circulation module of a linear slide rail is mounted on a slider, and the circulation module comprises: a two-circulation sleeve which is disposed on the slider, and each circulation sleeve is at least partially exposed to the slider In addition, each of the circulating sleeves is exposed at a portion outside the slider to form a filling inlet; two rolling units are respectively installed in the two circulating sleeves through the two filling inlets, and the two rolling units are located A portion other than the two-cycle sleeve is rollably disposed on the slider; and two spacers are respectively disposed on the two circulation sleeves to shield the two filling inlets. The circulation module of the linear slide according to claim 7, wherein each circulation sleeve defines a straight line segment and two steering segments extending from opposite ends of the straight line segment, two of each cycle module The circulating sleeves are respectively threaded on the slide in a straight section In the block, two turning sections of each circulating sleeve respectively protrude from opposite ends of the slider, and one of the turning sections of each circulating sleeve is formed with the filling inlet adjacent to the straight section. The circulation module of the linear slide of claim 8, wherein the length of the straight section of each circulation sleeve is slightly longer than the length of the slider it accommodates, and the straight section of each circulation sleeve The portion adjacent to the filling inlet protrudes beyond the slider. The circulation module of the linear slide according to claim 9, wherein one of the circulation sleeves of each circulation module is formed with a filling section of the inlet and the other of the circulation sleeves is not formed. There is an outside side of the steering section that fills the entrance.