TWM629945U - Linear slide and dustproof part thereof - Google Patents

Abstract

The present invention discloses a linear slide rail and a dustproof part thereof. The dustproof element includes a support bar and at least one elastic rib integrally formed on the support bar. The elastic modulus of the support bar is 2000%~100000% of the elastic modulus of at least one elastic rib. When at least one elastic rib abuts against the outer surface of a rail to define a dustproof area, at least one elastic rib includes an inner side located in the dustproof area, and an outer side located on the opposite side of the inner side. side. The dustproof part and the outer surface against which it abuts are in a section, the inner side surface forms an inner configuration angle with the normal vector of the outer surface, and an outer configuration angle is formed between the outer side surface and the normal vector. The sum of the inner arrangement angle and the outer arrangement angle is between 30 degrees and 40 degrees, and the inner arrangement angle is 400% to 600% of the outer arrangement angle.

Description

Linear slides and their dustproof parts

The invention relates to a sliding rail, in particular to a linear sliding rail and its dustproof parts.

The dust-proof parts included in the existing linear slide rails often use elastic ribs to abut the rails to achieve dust-proof effects. However, the configuration of the elastic rib needs to have the two conflicting characteristics of sufficient support and proper deformation at the same time, so how to make the configuration of the elastic rib achieve a relatively high level between the above-mentioned support and deformation. It has become one of the important topics in this field.

Therefore, the creator of this article believes that the above-mentioned defects can be improved. Nate has devoted himself to the research and the application of scientific principles, and finally proposes a creation that is reasonable and can effectively improve the above-mentioned defects.

The embodiment of the present invention is to provide a linear slide rail and a dust-proof member thereof, which can effectively improve the possible defects of the existing linear slide rail.

The embodiment of the present invention discloses a linear sliding rail, which includes: a rail, which is elongated and defines a sliding direction; a sliding module is slidably disposed on the rail, and the sliding module includes: a A slider unit; and a plurality of dust-proof parts, each of which includes a support bar and at least one elastic rib integrally formed on the support bar; in each of the dust-proof parts, the elastic modulus of the support bar is at least one of the The elastic modulus of the elastic rib is 2000%~100000%, the support strip is installed on the slider unit, at least one of the elastic rib is pressed against the outer surface of the track to define a dustproof area, and at least one One of the elastic rib includes an inner side located in the dust-proof area, and an outer side exposed in the outer space; wherein, each of the dust-proof parts and the outer surface against which they abut are perpendicular to the In a section in the sliding direction, an inner configuration angle is formed between the inner side surface and a normal vector of the outer surface, and an outer configuration angle is formed between the outer side surface and the normal vector, and the inner configuration angle is formed between the outer side surface and the normal vector. The sum of the arrangement angle and the outer arrangement angle is between 30 degrees and 40 degrees, and the inner arrangement angle is 400% to 600% of the outer arrangement angle; and two end modules are respectively installed on the slides. Both ends of the block unit, and the two end modules are slidably arranged on the rails.

The present inventive embodiment also discloses a dustproof member for a linear slide rail, which includes: a support bar, which is elongated and defines a sliding direction; and at least one elastic rib, integrally formed on the support bar, and the support bar is The modulus of elasticity is 2,000% to 100,000% of the modulus of elasticity of at least one of the elastic rib; wherein, when at least one of the elastic rib abuts against the outer surface of a track to define a dust-proof area, at least one of the elastic rib The elastic rib includes an inner side surface located in the dustproof area, and an outer side surface located on the opposite side of the inner side surface; wherein, the dustproof member and the outer surface against which it abuts are perpendicular to the sliding direction In a section of , the inner side surface forms an inner configuration angle with a normal vector of the outer surface, an outer configuration angle is formed between the outer side surface and the normal vector, and the inner configuration angle The sum of the outer arrangement angle is 30 to 40 degrees, and the inner arrangement angle is 400% to 600% of the outer arrangement angle.

To sum up, the linear slide rail and the dust-proof member thereof disclosed in the embodiment of the present invention conform to the inner arrangement angle and the outer arrangement angle with a specific value range through at least one elastic rib, so that at least one of the The configuration of the elastic rib can achieve a better effect between support and deformation, so that the linear slide rail has a better dustproof effect and a longer service life.

In order to further understand the features and technical content of this creation, please refer to the following detailed descriptions and drawings about this creation, but these descriptions and drawings are only used to illustrate this creation, and do not make any claim to the scope of protection of this creation. limit.

The following is a description of the implementation of the "linear slide rail and its dust-proof component" disclosed in the present creation through specific embodiments, and those skilled in the art can understand the advantages and effects of the present creation from the content disclosed in this specification. This creation can be implemented or applied through other different specific embodiments, and various details in this specification can also be modified and changed based on different viewpoints and applications without departing from the concept of this creation. In addition, the drawings in this creation are only for simple schematic illustration, and are not drawn according to the actual size, and are stated in advance. The following embodiments will further describe the related technical contents of the present creation in detail, but the disclosed contents are not intended to limit the protection scope of the present creation.

It should be understood that although terms such as "first", "second" and "third" may be used herein to describe various elements or signals, these elements or signals should not be limited by these terms. These terms are primarily used to distinguish one element from another element, or a signal from another signal. In addition, the term "or", as used herein, should include any one or a combination of more of the associated listed items, as the case may be.

[Example 1]

Please refer to FIG. 1 to FIG. 10 , which are Embodiment 1 of the present invention. As shown in FIG. 1 to FIG. 4 , this embodiment discloses a linear slide rail 1000 , which is described as a standard linear slide rail in this embodiment, but the present invention is not limited thereto. For example, in other embodiments not shown in the present invention, the linear slide rail 1000 may also be a miniature linear slide rail.

As shown in FIGS. 3 and 4 , the linear slide rail 1000 in this embodiment includes a rail 200 , a sliding module 100 slidably disposed on the rail 200 , and a sliding module 100 installed on the sliding module 100 and slidably disposed on the rail 200 on the two end modules 300 . It should be noted that although the sliding module 100 is described as being matched with the rail 200 and the two end modules 300, in other embodiments not shown in this creation, the sliding module Group 100 can also be used alone (eg, sold) or used in conjunction with other components.

The rail 200 is elongated and defines a sliding direction S, and the rail 200 includes an upper surface 201 and two side surfaces 202 on opposite sides. In this embodiment, the rail 200 is linear, and the upper surface 201 and the two side surfaces 202 are both parallel to the sliding direction S, but the present invention is not limited to this. For example, in other embodiments not shown in the present invention, the track 200 may also be in an arc shape.

As shown in FIG. 2 , FIG. 5 , and FIG. 6 , in this embodiment, the sliding module 100 includes a slider 1 , an extension piece 2 formed on the slider 1 , and an extension piece 2 mounted on the extension piece 2 . A plurality of dustproof parts 3 and a plurality of balls 4 are provided. It should be noted that the sliding block 1 and the expansion element 2 can be combined to be called a sliding block unit U in this embodiment, and the plurality of the dustproof elements 3 are matched with the sliding block in the following description. The block unit U is used for description, but this creation is not limited to this. For example, in other embodiments not shown in this creation, the dustproof component 3 can also be used alone (eg, sold) or used in conjunction with other components; or, the expansion component 2 can be omitted, and The dustproof member 3 can be directly matched (or installed) on the slider 1 for use.

Furthermore, the two end modules 300 are respectively installed at both ends of the slider unit U, so that the sliding module 100 and the two end modules 300 jointly define a plurality of rolling paths P, And the plurality of the balls 4 move along the plurality of the rolling paths P, respectively. Wherein, each of the rolling paths P is in a closed loop shape, and the positions of the plurality of rolling paths P correspond to the two side surfaces 202 of the track 200 respectively.

As shown in FIG. 3 , FIG. 4 , FIG. 7 , and FIG. 8 , the slider 1 is elongated in this embodiment, and the sliding direction S can also be determined by (the longitudinal direction of the slider 1 ) defined. The slider 1 includes a base portion 11 and two side wings 12 extending from the base portion 11 respectively, and the surface of the slider 1 has two end surfaces 13 perpendicular to the sliding direction S. Furthermore, the inner edge of the base portion 11 faces the upper surface 201 of the track 200 , and the inner edges of the two lateral wing portions 12 face the two side surfaces 202 of the track 200 respectively.

In this embodiment, the expansion element 2 includes an upper expansion body 21 and two side expansion bodies 22 respectively connected to both sides of the upper expansion body 21 , and the upper expansion body 21 and the two side expansion bodies 22 are connected to each other. The body 22 is an integrally formed one-piece component, but the present invention is not limited to this. For example, in other embodiments not shown in this creation, the upper expansion body 21 and any one of the side expansion bodies 22 may be separate components, and the sliding module 100 can be designed according to the creation requirements. The upper expansion body 21 or the two side expansion bodies 22 are selectively used.

More specifically, the upper expansion body 21 is injection-molded on the base portion 11 of the slider 1 , and a length of the upper expansion body 21 in the sliding direction S is greater than the length of the base portion 11 at the base portion 11 . A length in the sliding direction S. That is to say, the upper expansion body 21 is connected to the inner edge of the base portion 11 without a gap, and further extends outward and is connected to the two end surfaces 13 of the slider 1 without a gap. In addition, the two end modules 300 are respectively installed on the two end faces 13 of the slider 1 so that the upper expansion body 21 can be clamped with the slider 1 along the sliding direction S. Accordingly, the upper expansion body 21 can be stably clamped between the two end modules 300 and the slider 1 by being connected to the corresponding parts of the two end faces 13 .

The upper expansion body 21 is formed with an upper fitting groove 211 , a positioning rib 212 located in the upper fitting groove 211 , and two upper holding portions 213 respectively located on opposite sides of the upper fitting groove 211 . Wherein, the upper fitting groove 211 , the positioning ribs 212 , and each of the upper holding parts 213 are parallel to the sliding direction S, and the upper expansion body 21 is opposite to the sliding direction S in this embodiment. The positioning rib 212 has a mirror-symmetric structure, but the present invention is not limited thereto.

Further, the upper fitting groove 211 and the positioning rib 212 both face the upper surface 201 of the rail 200 , and the upper fitting groove 211 includes two upper buckles on opposite sides respectively. Hold area 2111. Wherein, on a section of the upper expansion body 21 perpendicular to the sliding direction S, the two upper retaining regions 2111 are tapered in the direction away from each other. To put it another way, any one of the upper retaining regions 2111 has a substantially trapezoidal cross-section perpendicular to the sliding direction S in this embodiment, but the present invention is not limited thereto.

Furthermore, the positions of the two upper holding parts 213 respectively correspond to two of the plurality of rolling paths P (eg, the two rolling paths P located at the top in FIG. The local boundary of the bar scrolling path P. In this embodiment, the two upper holding parts 213 are adjacent to and located below the two upper locking regions 2111 , and the two upper holding parts 213 do not touch the rail 200 .

The two side expansion bodies 22 are injection-molded on the two side wings 12 of the slider 1 , and a length of each side expansion body 22 in the sliding direction S is greater than that of the corresponding side expansion body 22 . A length of the side wing portion 12 in the sliding direction S. That is to say, each of the side expansion bodies 22 is connected to the inner edge of the corresponding side wing portion 12 without a gap, and further extends outwardly and is connected to two of the sliders 1 without a gap. end face 13.

In addition, the two end modules 300 are respectively installed on the two end faces 13 of the slider 1 to clamp the two side expansion bodies along the sliding direction S with the slider 1 . twenty two. Accordingly, each of the side expansion bodies 22 can be stably clamped between the two end modules 300 and the slider 1 by connecting to the corresponding parts of the two end faces 13 . between.

The two side expansion bodies 22 are arranged in mirror symmetry in this embodiment, but in other embodiments not shown in the present invention, the two side expansion bodies 22 may be slightly different in structure. Wherein, the two side expansion bodies 22 are respectively formed with two side fitting grooves 221 facing each other and parallel to the sliding direction S, and the two side fitting grooves 221 are respectively located in the two side expansion bodies. The inner side of the bottom of the body 22 (eg, the two side fitting grooves 221 face the two side surfaces 202 of the rail 200 respectively).

Further, in each of the side expansion bodies 22 , the side fitting groove 221 faces a part of the side surface 202 and includes two side holding areas 2211 , one of which is held by the side The area 2211 is parallel to the upper surface 201 of the rail 200, while the other of the side clasping areas 2211 is parallel to the corresponding part of the side surface 202, and two of the side clasping areas The 2211 are sandwiched to form an arrangement angle σ between 90 degrees and 135 degrees.

Furthermore, each of the side expansion bodies 22 includes a middle holding portion 222 , and a middle holding portion 222 located between the side fitting groove 221 and the middle holding portion 222 (or on one side of the side fitting groove 221 ). One side holding portion 223 . Wherein, the side holding portion 223 of each side expansion body 22 is parallel to the sliding direction S.

In more detail, the positions of the side holding parts 223 of the two side expansion bodies 22 correspond to the other two of the plurality of rolling paths P respectively (for example, the lower two in FIG. 8 rolling path P), and respectively serve as the local boundaries of the other two rolling paths P mentioned above. Furthermore, the positions of the middle holding portions 222 of the two side expansion bodies 22 correspond to the plurality of rolling paths P, respectively, and serve as local boundaries of the plurality of rolling paths P, respectively. To put it another way, in each of the side expansion bodies 22 , the middle holding portion 222 is approximately located between the side holding portion 223 and one of the upper holding portions 213 ; or, in other words, the middle holding portion 222 is located between two adjacent rolling paths P.

In addition, the two end portions of the two side expansion bodies 22 (eg, the portions disposed on the two end faces 13 ) are further formed with a plurality of turning portions 224 and positions corresponding to the plurality of turning portions respectively. A plurality of lubricating oil passages 225 of 224 . Wherein, a plurality of the turning portions 224 correspond to a plurality of the rolling paths P respectively (for example, both ends of any one of the rolling paths P are respectively defined by the two turning portions 224 ), and are respectively embedded and It is matched with the two end modules 300 ; the plurality of lubricating oil passages 225 are respectively connected to the plurality of rolling paths P, and are respectively connected to the oil filling holes 301 of the two end modules 300 .

In this embodiment, as shown in FIG. 3 , FIG. 6 , and FIG. 7 , one of the plurality of dustproof members 3 is defined as an upper dustproof member 31 , and the other two of the plurality of dustproof members 3 are defined as an upper dustproof member 31 . Each is defined as a side dustproof member 32 . Furthermore, in order to facilitate the description of this embodiment, the following will first introduce the same (or similar) structural creation features of a plurality of the dustproof members 3 , and then introduce the unique features of the upper dustproof member 31 and the side dustproof member 32 respectively. There are structural creative features.

Each of the dustproof members 3 includes an elongated support bar 311, 321 and at least one elastic rib 312, 322 integrally formed on the support bar 311, 321, and the sliding direction S can also be determined by the Defined by (the length direction of) the support bars 311, 321. In each of the dustproof parts 3, the material of the support bars 311, 321 is harder than that of at least one of the elastic ribs 312, 322 (eg, the elastic modulus of the support bars 311, 321 is at least one of the elastic ribs 311, 321). The elastic ribs 312 and 322 are 2,000% to 100,000% of the elastic modulus), and the support bars 311 and 321 are installed on the slider unit U (eg, the extension piece 2 ). As shown in FIG. 9 and FIG. 10 , at least one of the elastic ribs 312 and 322 abuts against the outer surface of the rail 200 (eg, the upper surface 201 or any of the side surfaces 202 ) to define a A dust-proof area, and at least one of the elastic ribs 312, 322 includes an inner side surface 3121, 3221 located in the dust-proof area, and an outer side surface 3122, 3222 exposed to the external space.

In more detail, as shown in FIG. 9 and FIG. 10 , in a section perpendicular to the sliding direction S of the outer surface of each of the dustproof members 3 and the rail 200 against which they abut, so The inner side surfaces 3121 and 3221 form an inner configuration angle σ1 with a normal vector N of the outer surface, and an outer configuration angle σ2 is formed between the outer side surfaces 3122 and 3222 and the normal vector N. The sum of the inner arrangement angle σ1 and the outer arrangement angle σ2 is between 30 degrees and 40 degrees, and the inner arrangement angle σ1 is 400% to 600% of the outer arrangement angle σ2.

Accordingly, in at least one of the elastic ribs 312 and 322 of each of the dust-proof elements 3 disclosed in this embodiment, the inner arrangement angle σ1 and the outer arrangement angle have a specific range of values. σ2, so that the configuration of at least one of the elastic ribs 312, 322 can achieve a better effect between support and deformation, so that the linear slide rail 1000 has better dustproof effect and longer service life.

The above description is a description of the same (or similar) structure creation features of a plurality of the dustproof members 3 , and then the unique structure creation features of the upper dustproof member 31 and the side dustproof members 32 are introduced. As shown in FIG. 3 , FIG. 6 , FIG. 7 , and FIG. 9 , the upper dustproof member 31 includes one support bar 311 and two elastic ribs 312 integrally formed on the support bar 311 . The elastic modulus of the support strips 311 of the dustproof member 31 is 2,000% to 100,000% of the elastic modulus of any one of the elastic ribs 312 .

Furthermore, the upper dustproof member 31 (eg, the support bar 311 ) is detachably inserted into the upper fitting groove 211 along the sliding direction S, and (the two elastic ribs 312 ) against the upper surface 201 of the rail 200 . In this embodiment, the two upper retaining regions 2111 of the upper fitting groove 211 are respectively covered on both side edges of the upper dust-proof member 31 (the support bars 311 of the upper part 31 ), and the upper The positioning rib 212 of the fitting groove 211 abuts against the top edge of the support bar 311 , and the two elastic ribs 312 protrude out of the upper fitting groove 211 and are adjacent to the two upper retaining bars respectively. the inner edge of the portion 213.

Accordingly, the portion of the upper dustproof member 31 inserted into the upper fitting groove 211 occupies at least 80% of the whole and can be fully limited and fixed by the upper fitting groove 211, so that all The above-mentioned dust-proof member 31 is not easy to be warped or fall off, so that the linear slide rail 1000 has higher operational stability and longer service life.

Further, the upper dust-proof member 31 and the outer surface it abuts against (that is, the upper surface 201 of the rail 200 ) are in the cross section perpendicular to the sliding direction S, so The normal vector N passes through the free end edge of any one of the elastic ribs 312 , and the inner side surface 3121 and the outer side surface 3122 are located on opposite sides of the normal vector N, respectively.

In addition, as shown in FIG. 3 , FIG. 6 , FIG. 7 , and FIG. 10 , each of the side dustproof members 32 includes one of the support bars 321 and one of the elastic ribs 322 integrally formed with the support bars 321 . , and the elastic modulus of the support bar 321 of each side dustproof member 32 is 2,000% to 100,000% of the elastic modulus of the elastic rib 322 .

The two side dustproof members 32 (eg: the support bars 321 ) are detachably inserted into the two side fitting grooves 221 along the sliding direction S, respectively, and (the two elastic ribs 322 ) respectively abut against the two side surfaces 202 of the rail 200 . In this embodiment, the two side retaining regions 2211 of any one of the side fitting grooves 221 are respectively covered with the two side edges of the support bar 321 corresponding to the side dustproof member 32 , and the The elastic rib 322 protrudes out of the side fitting groove 221 and is adjacent to the bottom edge of the corresponding side holding portion 223 .

Accordingly, the portion of the side dustproof member 32 inserted into any one of the side fitting grooves 221 occupies at least 80% of the whole, and can be fully limited and fixed by the side fitting groove 221 to prevent The side dustproof member 32 is less likely to warp or fall off, so that the linear slide rail 1000 has higher operational stability and longer service life.

Further, each of the side dustproof members 32 and the outer surface against which it abuts (that is, the side surface 202 of the rail 200 ) is in the cross section perpendicular to the sliding direction S , the normal vector N passes through the free end edge of the elastic rib 322, and the inner side surface 3221 and the outer side surface 3222 are both located on the side of the normal vector N adjacent to the dust-proof area (eg, in FIG. 10 ). the left side of the normal vector N).

[Example 2]

Please refer to FIG. 11 and FIG. 12 , which are Embodiment 2 of this creation. Since this embodiment is similar to the above-mentioned first embodiment, the similarities between the two embodiments will not be repeated, and the differences between this embodiment and the above-mentioned first embodiment are roughly described as follows:

In this embodiment, the upper dustproof member 31 is an integrally formed one-piece structure, and each of the side dustproof members 32 is also an integrally formed single-piece structure, and the elastic modulus of the upper dustproof member 31 is Alternatively, the elastic modulus of each of the side dustproof members 32 is between 0.002GPa and 3.4GPa. That is to say, the material of the upper dustproof member 31 or the material of any of the side dustproof members 32 may be the same as the material of any of the elastic ribs 312 and 322 in the first embodiment.

Accordingly, by being inserted into the upper dustproof member 31 of the upper fitting groove 211 , it can be completely limited and fixed by the upper fitting groove 211 , so that the upper dustproof member 31 can Soft materials with elastic modulus ranging from 0.002GPa to 3.4GPa are used to improve the overall dustproof effect. Furthermore, by being inserted into the side dustproof member 32 of any one of the side fitting grooves 221, it can be completely limited and fixed by the side fitting groove 221, so that each side is dustproof. The member 32 can also be made of a soft material with an elastic modulus ranging from 0.002GPa to 3.4GPa, so as to further improve the overall dustproof effect.

[Technical effects of this creative embodiment]

To sum up, the linear slide rail and the sliding module thereof disclosed in the embodiment of the present invention can be stably clamped between the two end modules and the two end modules through the upper expansion body being connected to the two end faces. Between the sliders, the upper dustproof part inserted in the upper fitting groove can be fully limited and fixed by the upper fitting groove, so that it is not easy to warp or fall off. Therefore, the linear slide rail has higher operational stability and longer service life.

Furthermore, the linear slide rail and the sliding module thereof disclosed in the embodiment of the present invention can be stably clamped between the two end modules and the two end modules by connecting each of the side expansion bodies to the two end surfaces. Between the sliders, the side dustproof parts inserted in any of the side fitting grooves can be fully limited and fixed by the side fitting grooves, so that warping is not easy to occur. bending or falling off, so that the linear slide rail has higher operational stability and longer service life.

In addition, in the linear slide rail and the dust-proof member thereof disclosed in the embodiment of the present invention, at least one of the elastic rib conforms to the inner arrangement angle and the outer arrangement angle having a specific value range, so that at least one of the elastic rib The configuration can achieve a better effect between support and deformability, so that the linear slide rail has better dustproof effect and longer service life.

The contents disclosed above are only the preferred and feasible embodiments of this creation, and are not intended to limit the patent scope of this creation. Therefore, any equivalent technical changes made by using the contents of the description and drawings of this creation are included in the patent scope of this creation. Inside.

1000: Linear slide 100: Sliding Module 1: Slider 11: Base 12: Flank 13: End face 2: Expansion 21: Upper expansion body 211: Upper fitting groove 2111: Upper holding area 212: Positioning Ribs 213: Upper Hold Department 22: Side expansion body 221: Side fitting groove 2211: Side buckle area 222: Central Holding Department 223: Side Holder 224: Steering Department 225: Lubricating oil road 3: Dustproof parts 31: Upper dustproof parts 311: Support bar 312: Elastic Ribs 3121: inner side 3122: Outer side 32: Side dustproof parts 321: Support bar 322: Elastic Ribs 3221: inner side 3222: outer side 4: Ball 200: Orbit 201: Upper surface 202: Side Surface 300: end module 301: Oil filling hole S: Swipe direction P: scroll path N: normal vector U: Slider unit σ: configuration angle σ1: Internal configuration angle σ2: External configuration angle

FIG. 1 is a three-dimensional schematic diagram of a linear slide rail according to a first embodiment of the invention.

FIG. 2 is a schematic cross-sectional view taken along line II-II of FIG. 1 .

FIG. 3 is a schematic cross-sectional view taken along line III-III of FIG. 1 .

FIG. 4 is an exploded schematic view of FIG. 1 .

FIG. 5 is a schematic three-dimensional cross-sectional view of the slider module of FIG. 4 with balls omitted.

FIG. 6 is a schematic front view of the slider module of FIG. 4 with balls omitted.

FIG. 7 is a perspective exploded schematic view of the slider module of FIG. 4 after the balls are omitted.

FIG. 8 is a schematic front view of the slider unit of FIG. 7 .

FIG. 9 is an enlarged schematic view of block IX of FIG. 3 .

FIG. 10 is an enlarged schematic view of the block X of FIG. 3 .

FIG. 11 is an exploded schematic diagram of the linear slide rail according to the second embodiment of the invention.

FIG. 12 is a schematic cross-sectional view of the slider module of FIG. 11 along the line XII-XII.

1: Slider

211: Upper fitting groove

2111: Upper holding area

213: Upper Hold Department

31: Upper dustproof parts

311: Support bar

312: Elastic Ribs

3121: inner side

3122: Outer side

4: Ball

200: Orbit

201: Upper surface

202: Side Surface

P: scroll path

N: normal vector

σ1: Internal configuration angle

σ2: External configuration angle

Claims (10)

A linear slide, comprising: a track, elongated and defining a sliding direction; A sliding module is slidably arranged on the track, and the sliding module includes: a slider unit; and A plurality of dust-proof parts, each comprising a support bar and at least one elastic rib integrally formed on the support bar; in each of the dust-proof parts, the elastic modulus of the support bar is the elasticity of the at least one elastic rib 2000%~100000% of the modulus, the support bar is mounted on the slider unit, at least one of the elastic rib abuts the outer surface of the track to define a dust-proof area, and at least one of the elastic rib including an inner side in the dust-proof area and an outer side exposed in the external space; Wherein, in a cross-section perpendicular to the sliding direction of each of the dust-proof parts and the outer surface against which they abut, the inner surface forms an inner configuration with a normal vector of the outer surface. An outer configuration angle is formed between the outer surface and the normal vector, the sum of the inner configuration angle and the outer configuration angle is between 30 degrees and 40 degrees, and the inner configuration angle is the outer configuration angle. 400% to 600% of the configuration angle; and Two end modules are respectively installed on both ends of the slider unit, and the two end modules are slidably arranged on the rails. The linear slide rail according to claim 1, wherein the rail comprises an upper surface and two side surfaces on opposite sides, and the slider unit comprises: A slider, comprising a base and two side wings respectively extending from the base, and the inner edge of the base faces the upper surface, and the inner edges of the two side wings face the two sides respectively surface; an upper expansion body, which is injection-molded on the base of the slider, and is connected to the inner edge of the base without gaps; wherein, the upper expansion body is in the sliding direction A length of the upper part is greater than a length of the base part in the sliding direction, and the upper expansion body is formed with an upper fitting groove facing the upper surface and parallel to the sliding direction; Wherein, one of the plurality of dust-proof parts is defined as an upper dust-proof part, and the support bar of the upper dust-proof part is detachably inserted into the upper fitting groove along the sliding direction. The linear slide rail according to claim 2, wherein the slider unit further comprises: Two side expansion bodies are embedded in the two side wing parts of the slider, and each side expansion body is connected to the inner edge of the corresponding side wing part without gap; wherein, each A length of each of the side expansion bodies in the sliding direction is greater than a length of the corresponding side wing portion in the sliding direction, and two of the side expansion bodies are respectively formed to face each other and parallel to the Two side fitting grooves in the sliding direction; Wherein, two of the plurality of the dustproof parts are defined as one-side dustproof parts, and the support bars of the two side dustproof parts are detachably inserted in the two sides along the sliding direction respectively. fit in the groove. The linear slide rail according to claim 3, wherein the upper expansion body and each of the side expansion bodies are connected to two end surfaces of the slider without gaps, and the two end modules are connected to the two end modules. The slider clamps the upper expansion body and the two side expansion bodies along the sliding direction. The linear slide rail according to claim 3, wherein the upper expansion body and the two side expansion bodies are integrally formed one-piece components. The linear slide rail according to claim 2, wherein, in the cross section perpendicular to the sliding direction of the upper dust-proof member and the outer surface against which the upper dustproof member is pressed, the normal vector passes through at least one of the The free end edge of the elastic rib, and the inner side surface and the outer side surface are respectively located on opposite sides of the normal vector. The linear slide rail according to claim 3, wherein, in the cross section perpendicular to the sliding direction of each of the side dustproof members and the outer surface against which they abut, the normal vector passes through at least one The free end edge of the elastic rib, and the inner side surface and the outer side surface are both located on one side of the normal vector adjacent to the dust-proof area. The linear slide rail according to claim 3, wherein the sliding module and the two end modules jointly define a plurality of rolling paths, and the sliding module includes a plurality of rolling paths along the plurality of rolling paths respectively. A plurality of moving balls, the upper expansion body includes two upper holding parts respectively located on opposite sides of the upper fitting groove, and the positions of the two upper holding parts correspond to the plurality of rolling paths respectively of two of them. The linear slide rail according to claim 8, wherein each of the side expansion bodies includes a middle holding portion, and a side holding portion located between the side fitting groove and the middle holding portion, and two The positions of the side holding parts of each of the side expansion bodies correspond to the other two of the plurality of rolling paths respectively, and the positions of the middle holding parts of the two side expansion bodies respectively correspond to the plurality of rolling paths. the scroll path. A dust-proof part for a linear sliding rail, comprising: a support bar, elongated and defining a sliding direction; and At least one elastic rib is integrally formed with the support strip, and the elastic modulus of the support strip is 2,000% to 100,000% of the elastic modulus of the at least one elastic rib; wherein, when the at least one elastic rib top When contacting the outer surface of a rail to define a dustproof area, at least one of the elastic ribs includes an inner side surface located in the dustproof area, and an outer side surface located on the opposite side of the inner side surface; Wherein, in a section perpendicular to the sliding direction of the dust-proof member and the outer surface against which it abuts, an inner configuration angle is formed between the inner side surface and a normal vector of the outer surface, An outer arrangement angle is formed between the outer side surface and the normal vector, the sum of the inner arrangement angle and the outer arrangement angle is between 30 degrees and 40 degrees, and the inner arrangement angle is the outer arrangement angle. 400% to 600%.

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