Linear slide rail and end cover module of linear slide rail

Abstract

The utility model discloses a linear sliding rail and an end cover module of the linear sliding rail. The end cover module comprises a cover body and a circulating piece. The cover body comprises a transverse section and two lateral sections connected to the two ends of the transverse section respectively. The circulating piece is embedded in the transverse section and the two lateral sections to jointly form an oil injection channel, and the circulating piece and the two lateral sections jointly form a plurality of steering channels. When lubricating oil is injected into the oil injection channel of the end cover module, the circulating piece absorbs part of the lubricating oil and expands, so that the circulating piece is in interference fit with the transverse section and the two lateral sections of the cover body. Therefore, the end cover module can seal the lubricating oil more effectively, and the total amount of the lubricating oil in the linear sliding rail is maintained.

Description

Technical Field

[0001] The utility model relates to a slide rail, in particular to a linear slide rail and an end cover module thereof. Background Art

[0002] Conventional linear slides utilize lubricating oil injected into end cap modules to ensure smooth rolling of multiple rolling elements. Therefore, effectively sealing the lubricating oil within these modules has long been a key area of ​​improvement in this field. The present applicant, believing these deficiencies could be addressed, conducted extensive research and applied scientific principles, ultimately developing the present invention, which offers a rational design and effectively mitigates these deficiencies. Utility Model Content

[0003] The embodiments of the present invention provide a linear slide rail and an end cover module of the linear slide rail, which can effectively improve the defects that may occur in the existing linear slide rail.

[0004] The present invention discloses a linear slide rail, comprising: a track having two side surfaces located on opposite sides; a sliding module slidably disposed on the track along a sliding direction, and the sliding module includes: a slider including a base and two side wings extending from the base, wherein the inner edges of the two side wings face the two side surfaces respectively; a plurality of rolling elements disposed corresponding to the slider; and two end cover modules, respectively fixed to the two mounting end surfaces of the slider and slidably disposed on the track; wherein each end cover module includes: a cover body fixed to the corresponding mounting end surface, and the cover body includes a transverse section and two lateral sections respectively connected to the two ends of the transverse section; wherein the transverse section corresponds to the base, the two lateral sections correspond to the two side wings respectively; and a circulation plate is clamped between the cover body and the corresponding mounting end face; wherein the circulation plate is embedded in the transverse section and the two lateral sections to jointly form an oil injection channel; wherein the circulation plate and the two lateral sections jointly form a plurality of steering channels, which cooperate with the slider and the track to jointly form a plurality of rolling channels; wherein the oil injection channel is connected to the plurality of rolling channels, and the plurality of rolling parts can be rollingly arranged in the plurality of rolling channels; wherein, when the oil injection channel of each end cover module is injected with lubricating oil, the circulation plate absorbs part of the lubricating oil and expands, so that the circulation plate is interference fit with the mounting end face and the transverse section and the two lateral sections of the cover body.

[0005] Optionally, in each end cover module, each lateral segment has two outer arc surfaces corresponding to the two turning channels and arranged at intervals, and the circulation plate includes: an oil seal segment embedded in the transverse segment; and two turning segments, respectively connected to the two ends of the oil seal segment and respectively embedded in the two lateral segments; wherein each turning segment has two inner arc surfaces arranged at intervals, which respectively face the two outer arc surfaces of the corresponding lateral segment to jointly form two turning channels.

[0006] Optionally, in each end cover module, the oil filling channel includes: an oil filling hole formed in the transverse section; and a first diversion groove formed between the transverse section and the oil seal section and connected to the oil filling hole; wherein the first diversion groove can be connected to multiple rolling channels through two turning sections respectively.

[0007] Optionally, in each end cover module, the circulation plate has a rear surface resting against the corresponding mounting end surface; and a front surface located on the opposite side of the rear surface, and the oil injection channel is formed in each turning section with: a guide groove, recessed in the rear surface and connected to one end of the first diversion groove; a through groove, extending from the rear surface to the front surface and located between the two inner arc surfaces, and the through groove is connected to the guide groove; and two second diversion grooves, recessed in the front surface and extending from the through groove to the two turning channels respectively.

[0008] Optionally, in each turning section, parts of the two second diverter grooves are respectively recessed in the two inner arc surfaces.

[0009] Optionally, in each end cover module, the circulation plate is an integrally formed single-piece structure, and the two turning sections are arranged in a mirror-symmetrical manner relative to the oil seal section.

[0010] An embodiment of the present utility model also discloses an end cover module of a linear slide rail, which includes: a cover body, including a transverse section and two lateral sections respectively connected to the two ends of the transverse section; and a circulation plate, embedded in the transverse section and the two lateral sections to jointly form an oil injection channel, and the circulation plate and the two lateral sections jointly form a plurality of turning channels; wherein, when lubricating oil is injected into the oil injection channel of the end cover module, the circulation plate absorbs part of the lubricating oil and expands, so that the circulation plate interference fits the transverse section and the two lateral sections of the cover body.

[0011] Optionally, each lateral segment has two outer arc surfaces set at intervals, and the circulation plate includes: an oil seal segment embedded in the transverse segment; and two turning segments, respectively connected to the two ends of the oil seal segment and respectively embedded in the two lateral segments; wherein each turning segment has two inner arc surfaces set at intervals, which respectively face the two outer arc surfaces of the corresponding lateral segment to jointly form two turning channels.

[0012] Optionally, the oil filling channel includes: an oil filling hole formed in the transverse section; and a first diversion groove formed between the transverse section and the oil seal section and connected to the oil filling hole; wherein the first diversion groove can be connected to multiple turning channels through two turning sections respectively.

[0013] Optionally, the circulation plate has a rear surface away from the oil filling hole; and a front surface located on the opposite side of the rear surface, and the oil filling channel is formed in each turning section with: a guide groove, recessed in the rear surface and connected to one end of the first diversion groove; a through groove, extending from the rear surface to the front surface and located between the two inner arc surfaces, and the through groove is connected to the guide groove; and two second diversion grooves, recessed in the front surface and extending from the through groove to the two turning channels respectively.

[0014] To sum up, the linear slide rail and its end cover module disclosed in the embodiment of the present invention can more effectively seal the lubricating oil through the structural cooperation between the cover body and the circulation plate (such as: the circulation plate is embedded in the cover body and has an interference fit), thereby maintaining the total amount of the lubricating oil in the linear slide rail.

[0015] 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, these descriptions and drawings are only used to illustrate the present invention and are not intended to limit the scope of protection of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of a linear slide rail according to an embodiment of the present utility model.

[0017] Figure 2 for Figure 1 Schematic cross-sectional view along section line II-II.

[0018] Figure 3 for Figure 1 Schematic diagram of the decomposition.

[0019] Figure 4 This is a schematic exploded view of the end cover module according to an embodiment of the present invention.

[0020] Figure 5 This is a schematic exploded view of the end cover module from another perspective of an embodiment of the present invention.

[0021] Figure 6 for Figure 1 Schematic cross-sectional view along section line VI-VI.

[0022] Figure 7 for Figure 1 Schematic cross-sectional view along section line VII-VII.

[0023] Figure 8 for Figure 7 Schematic enlargement of region VIII in FIG.

[0024] Figure 9 for Figure 1 Schematic cross-sectional view along section line IX-IX.

[0025] Figure 10 for Figure 9 Schematic diagram of the enlarged area X in FIG. DETAILED DESCRIPTION

[0026] The following is an explanation of the implementation of the "linear slide rail and its end cover module" disclosed in the present invention through specific specific embodiments. Those skilled in the art can understand the advantages and effects of the present invention from the content disclosed in this specification. The present invention can be implemented or applied through other different specific embodiments, and the details in this specification can also be modified and changed based on different viewpoints and applications without departing from the concept of the present invention. In addition, it should be noted in advance that the drawings of the present invention are only simple schematic illustrations and are not depictions based on actual dimensions. The following implementation methods will further explain the relevant technical content of the present invention in detail, but the disclosed content is not intended to limit the scope of protection of the present invention.

[0027] It should be understood that although terms such as "first," "second," and "third" may be used herein to describe various components or features, these components or features should not be limited by these terms. These terms are primarily used to distinguish one component from another, or one feature from another. In addition, the term "or" as used herein may include any one or more combinations of the associated listed items, as appropriate.

[0028] See also Figures 1 to 10 As shown, it is an embodiment of the present invention. This embodiment discloses a linear slide 100, which is described as a micro linear slide in the following content, but the present invention is not limited to this. Figures 1 to 3 As shown, the linear guide rail 100 in this embodiment includes an elongated rail 1, a sliding module 2 slidably disposed on the rail 1 along a sliding direction D, and two end cap modules 3 mounted at opposite ends of the sliding module 2 and slidably disposed on the rail 1. The rail 1, the sliding module 2, and the two end cap modules 3 collectively define a plurality of rolling channels P.

[0029] It should be noted that the linear guide rail 100 in this embodiment is illustrated by the rail 1, the slide module 2, and the two end cap modules 3 cooperating with each other, but the present invention is not limited to this. For example, in other embodiments not shown in the present invention, the end cap modules 3 can also be used independently (e.g., for sale) or in conjunction with other components according to actual needs.

[0030] The longitudinal direction of the track 1 defines the sliding direction D, and the track 1 includes an upper surface 11 and two side surfaces 12 located on opposite sides. In this embodiment, the track 1 is linear, with the two side surfaces 12 connected to opposite edges of the upper surface 11. The upper surface 11 and the two side surfaces 12 are parallel to the sliding direction D, but the present invention is not limited to this. For example, in other embodiments not shown in the present invention, the track 1 may also adopt an arc-shaped structure based on actual needs.

[0031] In this embodiment, the sliding module 2 includes a slider 21, a plurality of rolling elements 22 corresponding to the slider 21, and a plurality of upper dust strips 23 and a plurality of lower dust strips 24 mounted on the slider 21. The slider 21 is elongated in this embodiment, and the sliding direction D can also be defined by the length of the slider 21. The slider 21 includes a base 211 and two side wings 212 extending from the base 211, respectively. The two mounting end surfaces 213 of the slider 21 are perpendicular to the sliding direction D. Furthermore, the inner edge of the base 211 faces the upper surface 11 of the track 1, while the inner edges of the two side wings 212 face the two side surfaces 12 of the track 1, respectively.

[0032] Furthermore, the plurality of rolling elements 22 are rollably disposed within the plurality of rolling channels P. In this embodiment, the plurality of rolling elements 22 are illustrated as a plurality of ball bearings, but the present invention is not limited thereto. Furthermore, the plurality of upper dust strips 23 are secured to the base 211 and abut against the upper surface 11 of the track 1 , while the plurality of lower dust strips 24 are secured to the two side wings 212 and abut against the two side surfaces 12 of the track 1 .

[0033] The two end cap modules 3 are respectively fixed to the two mounting end surfaces 213 of the slider 21 and are slidably disposed on the track 1. It should be noted that in this embodiment, the two end cap modules 3 employ substantially identical structures or are mirror-symmetrical structures relative to the track 1. For ease of understanding, the following description only depicts the structure of a single end cap module 3, but the present invention is not limited thereto. For example, in other embodiments not shown in the present invention, the structures of the two end cap modules 3 may also differ slightly.

[0034] In this embodiment, if Figures 4 to 10As shown, the end cover module 3 includes a cover body 31 and a circulation piece 32 mounted on the cover body 31, and the cover body 31 is fixed to the corresponding mounting end surface 213, and the circulation piece 32 is clamped between the cover body 31 and the corresponding mounting end surface 213. The cover body 31 can be composed of a plurality of components, and the circulation piece 32 can be a one-piece structure, but the present invention is not limited thereto.

[0035] More specifically, the cover 31 includes a transverse section 311 and two lateral sections 312 connected to the ends of the transverse section 311. In this embodiment, the cover 31 is generally U-shaped, with the transverse section 311 perpendicularly connected to each of the lateral sections 312. The transverse section 311 corresponds to (or abuts) the base 211, while the two lateral sections 312 correspond to (or abut) the two side wings 212.

[0036] The circulation piece 32 is embedded in the transverse section 311 and the two lateral sections 312 to form an oil injection channel C. Furthermore, the circulation piece 32 and the two lateral sections 312 together form a plurality of steering channels P1, which cooperate with the slider 21 and the track 1 to form a plurality of rolling channels P. The oil injection channel C is connected to the plurality of rolling channels P (or the plurality of steering channels P1).

[0037] Specifically, when lubricating oil 4 is injected into the oil injection channel C of each end cap module 3, the circulation sheet 32 ​​absorbs some of the lubricating oil 4 and expands, causing the circulation sheet 32 ​​to form an interference fit with the mounting end surface 213 and the transverse section 311 and two lateral sections 312 of the cover body 31. Thus, the linear guide rail 100 can more effectively seal the lubricating oil 4 through the structural cooperation between the cover body 31 and the circulation sheet 32 ​​of each end cap module 3 (e.g., the circulation sheet 32 ​​is embedded in the cover body 31 and forms an interference fit), thereby maintaining the total amount of lubricating oil 4 within the linear guide rail 100.

[0038] It should be noted that the linear guide rail 100 may contain the lubricating oil 4 based on actual needs; that is, the lubricating oil 4 can also be considered as part of the linear guide rail 100. Furthermore, to ensure that the lubricating oil 4 can be more evenly distributed throughout the multiple rolling channels P (or multiple turning channels P1) through the end cover module 3, the end cover module 3 may optionally include at least some of the following technical features, but the present invention is not limited thereto.

[0039] First, let's look at the composition of the multiple turning channels P1. Each of the lateral sections 312 has two outer arc surfaces 3121 corresponding to the two turning channels P1 and arranged at intervals. The circulation plate 32 includes an oil seal section 321 and two turning sections 322 respectively connected to the two ends of the oil seal section 321, and the two turning sections 322 can optionally be mirror-symmetrically arranged relative to the oil seal section 321.

[0040] Furthermore, the oil seal section 321 is embedded in the transverse section 311, and the two turning sections 322 are respectively embedded in the two lateral sections 312, and each turning section 322 has two inner arc surfaces 3221 spaced apart, which respectively face the two outer arc surfaces 3121 of the corresponding lateral sections 312 to jointly form the two turning channels P1.

[0041] From the perspective of the oil injection channel C, the circulation plate 32 has a rear surface 32a that abuts the corresponding mounting end surface 213 (or away from the oil injection hole C1), and a front surface 32b located opposite the rear surface 32a. In other words, the front surface 32b of the circulation plate 32 is located within the space enclosed by the cover 31.

[0042] The oil injection channel C includes an oil injection hole C1 and a first diverter groove C2 connected to the oil injection hole C1. The oil injection hole C1 is formed in the transverse section 311 and, in this embodiment, is located substantially in the center of the transverse section 311. The first diverter groove C2 is formed between the transverse section 311 and the oil seal section 321 and, in this embodiment, has two diverter ports C21 at its ends.

[0043] Furthermore, the end cap module 3 utilizes an interference fit between the circulation plate 32, the transverse section 311, and the oil seal section 321, ensuring that the lubricating oil 4 can enter and exit the first diverter groove C2 only through the oil injection hole C1 and the two diverter ports C21. In this embodiment, the two diverter ports C21 of the first diverter groove C2 are connected to the two diverter sections 322, respectively, allowing the first diverter groove C2 to connect to the multiple rolling passages P (or multiple diverter passages P1) through the two diverter sections 322.

[0044] Specifically, the oil injection channel C is formed in each of the turning sections 322 with: a guide groove C3 connected to one end of the first diverter groove C2 (e.g., one of the diverter openings C21); a through groove C4 connected to the guide groove C3; and two second diverter grooves C5 connected to the through groove C4. The guide groove C3 is recessed in the rear surface 32a of the turning section 322; the through groove C4 extends from the rear surface 32a of the turning section 322 to the front surface 32b and is located between the two inner arc surfaces 3221; and the two second diverter grooves C5 are recessed in the front surface 32b of the turning section 322 and extend from the through groove C4 to the two turning channels P1 (e.g., portions of the two second diverter grooves C5 are recessed in the two inner arc surfaces 3221).

[0045] As described above, in this embodiment, the end cover module 3 can cooperate with the guide groove C3 and the through groove C4 so that the lubricating oil 4 will not flow directly from the first diversion groove C2 to any adjacent turning channel P1, thereby avoiding uneven distribution of the lubricating oil between multiple turning channels P1, and further achieving that the lubricating oil 4 can be more evenly distributed in multiple rolling channels P through the end cover module 3.

[0046] [Technical effects of the embodiment of the utility model]

[0047] To sum up, the linear slide rail and its end cover module disclosed in the embodiment of the present invention can more effectively seal the lubricating oil through the structural cooperation between the cover body and the circulation plate (such as: the circulation plate is embedded in the cover body and has an interference fit), thereby maintaining the total amount of the lubricating oil in the linear slide rail.

[0048] The contents disclosed above are only optional feasible embodiments of the present invention and do not limit the patent scope of the present invention. Therefore, all equivalent technical changes made using the contents of the present invention specification and drawings are included in the patent scope of the present invention.

Claims

1. A linear slide rail, characterized in that: The linear slide rail comprises: a track having two side surfaces located on opposite sides; A sliding module is slidably disposed on the track along a sliding direction, and the sliding module includes: a slider comprising a base and two side wings extending from the base, wherein inner edges of the two side wings face the two side surfaces respectively; and a plurality of rolling elements, arranged corresponding to the sliders; and Two end cover modules are respectively fixed to the two mounting end surfaces of the slider and are slidably arranged on the track; wherein each of the end cover modules includes: a cover body fixed to the corresponding mounting end surface, and comprising a transverse section and two lateral sections connected to both ends of the transverse section; wherein the transverse section corresponds to the base, and the two lateral sections correspond to the two side wings; and a circulation plate, clamped between the cover body and the corresponding mounting end surface; wherein the circulation plate is embedded in the transverse section and the two lateral sections to jointly form an oil injection channel; The circulation plate and the two lateral segments together form a plurality of steering channels, and the plurality of steering channels cooperate with the slider and the track to form a plurality of rolling channels; the oil injection channel is connected to the plurality of rolling channels, and the plurality of rolling elements are rollably disposed in the plurality of rolling channels; When lubricating oil is injected into the oil injection channel of each end cover module, the circulation plate absorbs part of the lubricating oil and expands, so that the circulation plate is interference-fitted with the mounting end surface and the transverse section and the two lateral sections of the cover body.

2. The linear guide rail according to claim 1, wherein: In each of the end cover modules, each of the lateral segments has two outer arc surfaces corresponding to the two turning channels and spaced apart, and the circulation sheet includes: an oil seal section embedded in the transverse section; and The two turning sections are respectively connected to the two ends of the oil seal section and are respectively embedded in the two lateral sections; wherein each of the turning sections has two inner arc surfaces set at intervals, and the two inner arc surfaces respectively face the two outer arc surfaces of the corresponding lateral sections to jointly form two turning channels.

3. The linear guide rail according to claim 2, wherein: In each of the end cover modules, the oil injection channel includes: an oil filling hole formed in the transverse section; and a first diversion groove formed between the transverse section and the oil sealing section and connected to the oil filling hole; Wherein, the first diverter groove can be connected to the plurality of rolling channels through the two turning sections respectively.

4. The linear guide rail according to claim 3, wherein: In each of the end cover modules, the circulation plate has a rear surface abutting against the corresponding mounting end surface; and a front surface located on the opposite side of the rear surface, and the oil injection channel is formed in each of the turning sections: a guide groove, recessed in the rear surface and connected to one end of the first diverter groove; a through groove extending from the rear surface to the front surface and located between the two inner arc surfaces, wherein the through groove is connected to the guide groove; and Two second diversion grooves are recessed in the front surface and extend from the through groove to the two turning channels respectively.

5. The linear guide rail according to claim 4, characterized in that: In each of the turning sections, parts of the two second diverter grooves are respectively recessed in the two inner arc surfaces.

6. The linear guide rail according to claim 2, wherein: In each of the end cover modules, the circulation plate is an integrally formed single-piece structure, and the two turning sections are arranged in a mirror-symmetrical manner relative to the oil seal section.

7. An end cover module for a linear slide rail, characterized in that: The end cover module of the linear slide rail includes: a cover body comprising a transverse section and two lateral sections respectively connected to both ends of the transverse section; and a circulation plate embedded in the transverse section and the two lateral sections to form an oil injection channel, and the circulation plate and the two lateral sections together form a plurality of turning channels; When lubricating oil is injected into the oil injection channel of the end cover module, the circulation sheet absorbs part of the lubricating oil and expands, so that the circulation sheet interference fits the transverse section and the two lateral sections of the cover body.

8. The end cover module of the linear slide rail according to claim 7, characterized in that: Each of the lateral segments has two outer arc surfaces spaced apart, and the circulation sheet comprises: an oil seal section embedded in the transverse section; and The two turning sections are respectively connected to the two ends of the oil seal section and are respectively embedded in the two lateral sections; wherein each of the turning sections has two inner arc surfaces set at intervals, and the two inner arc surfaces respectively face the two outer arc surfaces of the corresponding lateral sections to jointly form two turning channels.

9. The end cover module of the linear slide rail according to claim 8, characterized in that: The oil injection channel comprises: an oil filling hole formed in the transverse section; and a first diversion groove formed between the transverse section and the oil sealing section and connected to the oil filling hole; Wherein, the first diverter trough can be connected to the plurality of diverting channels through the two diverting sections respectively.

10. The end cover module of the linear slide rail according to claim 9, characterized in that: The circulation plate has a rear surface away from the oil filling hole; and a front surface located on the opposite side of the rear surface, and the oil filling channel is formed in each of the turning sections: a guide groove, recessed in the rear surface and connected to one end of the first diverter groove; a through groove extending from the rear surface to the front surface and located between the two inner arc surfaces, wherein the through groove is connected to the guide groove; and Two second diversion grooves are recessed in the front surface and extend from the through groove to the two turning channels respectively.

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