Linear sliding rail and sliding module and circulating seat thereof

Abstract

The utility model provides a linear sliding rail and a sliding module and a circulating seat thereof. The circulating seat comprises two steering sections, two outer track sections and two inner track sections. Each steering section is provided with two outer arc sections and two inner arc sections connected to the two outer arc sections respectively, each outer arc section is provided with a first radius, each inner arc section is provided with a second radius, and the second radius is 90%-110% of the first radius. The two ends of each outer track section are connected to the two outer arc sections belonging to the different steering sections respectively, and the two ends of each inner track section are connected to the two inner arc sections belonging to the different steering sections respectively. And each outer track section can be communicated with one of the inner track sections through the two steering sections. Therefore, the first radius and the second radius of the steering section are planned according to the specific proportional relation, so that the plurality of rolling pieces can steer and roll more smoothly.

Description

Technical Field

[0001] This application relates to a slide rail, and in particular to a linear slide rail, its sliding module and a recirculation block. Background Art

[0002] In the existing linear slide rail, the turning parts of the recirculation block adopt the same radius, which is a technology that has been used in this field for a long time and is conventional. Therefore, the existing linear slide rail has not further studied and improved the turning parts of the recirculation block. Thus, the applicant believes that the above defects can be improved. After painstaking research and in combination with the application of scientific principles, an application with a reasonable design and effective improvement of the above defects is finally proposed. Summary of the Utility Model

[0003] The technical problem to be solved by this application is to provide a linear slide rail, its sliding module and a recirculation block, which can effectively improve the possible defects of the existing linear slide rail.

[0004] An embodiment of this application discloses a linear slide rail, which includes: a rail having two side surfaces located on opposite sides; a sliding module slidably disposed on the rail along a sliding direction, and the sliding module includes: a slider including a base portion and two wing portions respectively extending from the base portion, and the inner edges of the two wing portions face the two side surfaces respectively; two recirculation blocks respectively mounted on the two wing portions and corresponding to the two side surfaces respectively; wherein each recirculation block is formed with two rolling channels and includes: two turning segments respectively protruding from the two mounting end faces of the slider; wherein each turning segment has two outer arc segments and two inner arc segments respectively connected to the two outer arc segments, and each outer arc segment has a first radius, and each inner arc segment has a second radius, which is 90% - 110% of the first radius; two outer rail segments inserted into the corresponding wing portions, and the two ends of each outer rail segment are respectively connected to the two outer arc segments belonging to different turning segments; two inner rail segments located between the corresponding wing portions and the corresponding side surfaces, and the two ends of each inner rail segment are respectively connected to the two inner arc segments belonging to different turning segments; wherein each outer rail segment can be connected to one of the inner rail segments through the two turning segments to jointly form a rolling channel; a plurality of rolling elements mounted in the two recirculation blocks and respectively moving along the plurality of rolling channels of the two recirculation blocks; two end caps respectively fixed to the two mounting end faces of the slider; wherein two turning segments adjacent to each other and belonging to different recirculation blocks are disposed within one end cap.

[0005] Optionally, each turning section has: a closed turning channel including an outer arc section and an inner arc section connected to each other; an open turning channel including another outer arc section and another inner arc section connected to each other; wherein, the open turning channel is located outside the closed turning channel.

[0006] Optionally, among each circulation seat, the closed turning channel of any one turning section is integrally connected to one of the outer track sections and one of the inner track sections, and the open turning channel is detachably assembled to the other outer track section and the other inner track section.

[0007] Optionally, in the closed turning channel, the centers of the outer arc section and the inner arc section are spaced apart; in the open turning channel, the centers of the outer arc section and the inner arc section are spaced apart.

[0008] Optionally, among each circulation seat, any one turning section is integrally connected to one of the outer track sections and one of the inner track sections, and is detachably assembled to the other outer track section and the other inner track section.

[0009] Optionally, among each circulation seat, each turning section has a layout surface adjacent to the corresponding mounting end face, and a multi-channel oil path connected to two rolling channels is recessed therein.

[0010] Optionally, each end cover is formed with an oil injection channel, and two turning sections adjacent to each other and belonging to different circulation seats are arranged within one end cover, and the two multi-channel oil paths formed therein communicate with the corresponding oil injection channels; wherein, the multi-channel oil path of each turning section includes: an oil inlet channel communicating with the corresponding oil injection channel; at least two oil supply channels communicating with the oil inlet channel, and at least two oil supply channels are respectively connected to the corresponding two rolling channels; an oil storage channel communicating with the oil inlet channel but not connected to any rolling channel.

[0011] Optionally, the linear slide rail includes a plurality of dust-proof members, which are respectively arranged corresponding to two circulation seats along the sliding direction and respectively abut against two side surfaces; wherein, each dust-proof member has two end portions, which respectively protrude from the two mounting end faces of the slider; the end portions of the plurality of dust-proof members protruding from any one mounting end face are inserted into one end cover, and each dust-proof member can move relative to the two end covers and the sliding module along the sliding direction.

[0012] An embodiment of the present application also discloses a sliding module of a linear slide rail, which includes: a slider including a base portion and two wing portions respectively extending from the base portion; two recirculation blocks respectively mounted on the two wing portions; wherein each recirculation block is formed with two rolling channels and includes: two turning sections respectively protruding from two mounting end faces of the slider; wherein each turning section has two outer arc sections and two inner arc sections respectively connected to the two outer arc sections, and each outer arc section has a first radius, and each inner arc section has a second radius which is 90% to 110% of the first radius; two outer track sections inserted into the corresponding wing portions, and two ends of each outer track section are respectively connected to two outer arc sections belonging to different turning sections; two inner track sections located between the two wing portions, and two ends of each inner track section are respectively connected to two inner arc sections belonging to different turning sections; wherein each outer track section can be connected to one of the inner track sections through the two turning sections to jointly form a rolling channel.

[0013] An embodiment of the present application further discloses a recirculation block of a linear slide rail, which is formed with two rolling channels and is used to be mounted on a slider. The recirculation block includes: two turning sections each having two outer arc sections and two inner arc sections respectively connected to the two outer arc sections, and each outer arc section has a first radius, and each inner arc section has a second radius which is 90% to 110% of the first radius; two outer track sections, and two ends of each outer track section are respectively connected to two outer arc sections belonging to different turning sections; two inner track sections, and two ends of each inner track section are respectively connected to two inner arc sections belonging to different turning sections; wherein each outer track section can be connected to one of the inner track sections through the two turning sections to jointly form a rolling channel.

[0014] In summary, for the linear slide rail, its sliding module and the recirculation block disclosed in the embodiments of the present application, by planning the first radius and the second radius of each of the turning sections in a specific proportional relationship, so that each of the outer track sections corresponds to the first radius, and each of the inner track sections corresponds to the second radius, thereby enabling the plurality of rolling elements in any one of the rolling channels to turn and roll more smoothly.

[0015] The other effects of the present application and the detailed content of the embodiments are described below in conjunction with the drawings. Description of the Drawings

[0016] To more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments recorded in the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0017] Figure 1 Schematic perspective view of the linear guide rail of the embodiment of the present application;

[0018] Figure 2 For Figure 1 Exploded view of the linear guide rail with the track omitted;

[0019] Figure 3 For Figure 1 Cross-sectional view along the cutting line III-III;

[0020] Figure 4 For Figure 2 Partial exploded view;

[0021] Figure 5 For Figure 1 Cross-sectional view along the cutting line V-V;

[0022] Figure 6 For Figure 5 Enlarged view of region VI;

[0023] Figure 7 For Figure 1 Cross-sectional view along the cutting line VII-VII;

[0024] Figure 8 For Figure 7 Enlarged view of region VIII;

[0025] Figure 9 For Figure 1 Cross-sectional view along the cutting line IX-IX;

[0026] Figure 10 For Figure 1 Cross-sectional view of the linear guide rail with the track omitted along the cutting line X-X;

[0027] Figure 11 For Figure 1 Cross-sectional view along the cutting line XI-XI;

[0028] Figure 12 For Figure 1 Cross-sectional view along the cutting line XII-XII;

[0029] Figure 13 For Figure 12An enlarged schematic view of Region XIII. Detailed implementation manners

[0030] The following are specific embodiments to illustrate the implementation manners of the present application regarding "linear guide rails and their sliding modules and recirculation blocks". Those skilled in the art can understand the advantages and effects of the present application from the content disclosed in this specification. The present application 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 the present application. Additionally, the drawings of the present application are only simple schematic illustrations and are not drawn according to actual dimensions. This is stated in advance. The following implementation manners will further elaborate on the relevant technical content of the present application, but the disclosed content is not intended to limit the protection scope of the present application.

[0031] It should be understood that although terms such as "first", "second", "third", etc. may be used in this document to describe various components or features, these components or features should not be limited by these terms. These terms are mainly used to distinguish one component from another, or one feature from another. Additionally, the term "or" used in this document should, depending on the actual situation, possibly include any one or a combination of multiple of the associated listed items.

[0032] Please refer to Figures 1 to 13 as shown, which is an embodiment of the present application. In this embodiment, a linear guide rail 100 is disclosed. In this embodiment, it is described by taking a standard linear guide rail as an example, but the present application is not limited thereto. As Figures 1 to 3 shown, the linear guide rail 100 in this embodiment includes a long-shaped rail 1, a sliding module 2 slidably disposed on the rail 1 along a sliding direction D1, a plurality of dust-proof members 3 installed on the sliding module 2, and two end caps 4 respectively installed at opposite ends of the sliding module 2 and slidably disposed on the rail 1.

[0033] The length direction of the rail 1 defines the sliding direction D1, and the rail 1 includes an upper surface 11 and two side surfaces 12 respectively located on opposite sides. In this embodiment, the rail 1 is linear, the two side surfaces 12 are connected to opposite edges of the upper surface 11, and the upper surface 11 and the two side surfaces 12 are all parallel to the sliding direction D1, but the present application is not limited thereto. For example, in other embodiments not shown in the present application, the rail 1 can also adopt an arc-shaped structure according to actual requirements.

[0034] In this embodiment, the sliding module 2 includes a slider 21, two endless seats 22 mounted on the slider 21, and a plurality of rolling elements 23 mounted within the two endless seats 22. In addition, in this embodiment, the sliding module 2 is described as including the above components and cooperating with the track 1, a plurality of the dust-proof members 3, and two end caps 4, but the present application is not limited thereto. For example, in other embodiments not shown in the present application, the sliding module 2 or the endless seat 22 may also be applied alone (such as for sale) or used in combination with other components according to actual needs.

[0035] In this embodiment, the slider 21 is elongated, and the sliding direction D1 may also be defined by the length direction of the slider 21. Wherein, the slider 21 includes a base portion 211 and two flank portions 212 respectively extending from the base portion 211, and two mounting end faces 213 of the slider 21 are perpendicular to the sliding direction D1. Furthermore, the inner edge surface of the base portion 211 faces the upper surface 11 of the track 1, and the inner edges of the two flank portions 212 respectively face the two side surfaces 12 of the track 1.

[0036] The two endless seats 22 are respectively mounted on the two flank portions 212 and respectively correspond to the two side surfaces 12 of the track 1. In this embodiment, each endless seat 22 is formed with two rolling channels P, and a plurality of the rolling elements 23 respectively move along the plurality of rolling channels P of the two endless seats 22. Wherein, in this embodiment, the plurality of rolling elements 23 are described as a plurality of rollers cooperating with a plurality of chain belts (such as four chain belts), but the present application is not limited thereto. For example, in other embodiments not shown in the present application, the plurality of rolling elements 23 may also adopt a plurality of ball bearings according to actual needs.

[0037] It should be noted first that in this embodiment, the two endless seats 22 adopt a generally identical structure or a structure that is mirror-symmetrical with respect to the track 1. Therefore, for the sake of easy understanding, only the structure of a single endless seat 22 is introduced below, but the present application is not limited thereto. For example, in other embodiments not shown in the present application, the structures of the two endless seats 22 may also be slightly different.

[0038] As Figures 4 to 8 shown, the endless seat 22 includes two turning sections 221, two outer track sections 222, and two inner track sections 223, and both ends of each outer track section 222 are respectively connected to the two turning sections 221, and both ends of each inner track section 223 are also respectively connected to the two turning sections 221, so that each outer track section 222 can be connected to one of the inner track sections 223 through the two turning sections 221 to jointly form a rolling channel P.

[0039] In this embodiment, the loop base 22 is described by using two semi-loop bases 22a assembled with each other, and the two semi-loop bases 22a have a generally identical or mirror-symmetrical structure. Each semi-loop base 22a may be formed by assembling two body parts, but the present application is not limited thereto. Wherein, each turning section 221 is integrally connected to one outer track section 222 and one inner track section 223 to jointly form one semi-loop base 22a. In other words, any turning section 221 of the loop base 22 is integrally connected to one outer track section 222 and one inner track section 223, and is detachably assembled to (connected to) the other outer track section 222 and the other inner track section 223 (which are connected to the other turning section 221).

[0040] More specifically, each turning section 221 has two outer arc sections 2211a, 2212a and two inner arc sections 2211b, 2212b respectively connected to the two outer arc sections 2211a, 2212a. Each outer arc section 2211a, 2212a has a first radius R1, and each inner arc section 2211b, 2212b has a second radius R2, which is 90% - 110% of the first radius R1.

[0041] Furthermore, both ends of each outer track section 222 are respectively connected to the two outer arc sections 2211a, 2212a belonging to different turning sections 221, and both ends of each inner track section 223 are respectively connected to the two inner arc sections 2211b, 2212b belonging to different turning sections 221.

[0042] Thus, each turning section 221 of the linear slide rail 100 is planned by the first radius R1 and the second radius R2 in a specific proportional relationship in this embodiment, so that each outer track section 222 corresponds to the first radius R1, and each inner track section 223 corresponds to the second radius R2, thereby enabling the plurality of rolling elements 23 in any one rolling channel P to turn and roll more smoothly.

[0043] From another perspective, each of the turning segments 221 has a closed turning channel 2211 and an open turning channel 2212 located outside the closed turning channel 2211. Among them, the closed turning channel 2211 includes an outer arc section 2211a and an inner arc section 2211b that are connected to each other, and the open turning channel 2212 includes another outer arc section 2212a and another inner arc section 2212b that are connected to each other. Furthermore, in the closed turning channel 2211, the center C2211a of the outer arc section 2211a and the center C2211b of the inner arc section 2211b are spaced apart; in the open turning channel 2212, the center C2212a of the outer arc section 2212a and the center C2212b of the inner arc section 2212b are also spaced apart.

[0044] Furthermore, the closed turning channel 2211 of each turning segment 221 is integrally connected to an outer track segment 222 with its outer arc section 2211a and is assembled to an inner track segment 223 with its inner arc section 2211b, thereby jointly forming a semi-circular seat 22a. That is to say, the closed turning channel 2211 of any turning segment 221 of the circular seat 22 is integrally connected to one of the outer track segments 222 and one of the inner track segments 223, and the open turning channel 2212 is detachably assembled to the other outer track segment 222 and the other inner track segment 223.

[0045] In addition, the two turning segments 221 respectively protrude from the two mounting end faces 213 of the slider 21. The two outer track segments 222 are both tubular and are inserted into the corresponding flank portions 212, and the two inner track segments 223 are located between the two flank portions 212 (for example: the two inner track segments 223 are located between the corresponding flank portions 212 and the corresponding side surface 12, and any rolling member 23 of the two inner track segments 223 can rollingly abut against the corresponding side surface 12).

[0046] More specifically, as Figures 2 to 4 and Figure 9As shown, each of the turning segments 221 has a layout surface 2213 adjacent to the corresponding mounting end surface 213, and a multi-channel oil passage 2214 is recessed and formed thereon, which is connected to two of the rolling channels P. Thus, in this embodiment, the linear slide rail 100 forms the multi-channel oil passage 2214 at a specific position of each of the turning segments 221 (such as the layout surface 2213 adjacent to the mounting end surface 213), so as to facilitate the more uniform distribution of lubricating oil within the plurality of rolling channels P, and further facilitate the smooth rolling of the plurality of rolling elements 23.

[0047] It should be additionally noted that the specific structure of the multi-channel oil passage 2214 can be adjusted and changed according to actual needs. However, for the sake of easy understanding, one optional structure of the multi-channel oil passage 2214 will be described below, but the present application is not limited thereto.

[0048] In this embodiment, the multi-channel oil passage 2214 of each of the turning segments 221 includes an oil inlet passage 2214a, at least two oil supply passages 2214b communicating with the oil inlet passage 2214a, and an oil storage passage 2214c communicating with the oil inlet passage 2214a. Among them, at least two of the oil supply passages 2214b are respectively connected to two corresponding rolling channels P, and the oil storage passage 2214c is not connected to any of the rolling channels P, but the present application is not limited thereto. For example, in other embodiments not shown in the present application, the oil inlet passage 2214a may also omit the oil storage passage 2214c according to actual needs.

[0049] More specifically, in each of the turning segments 221 of this embodiment, the oil inlet passage 2214a is linearly arranged and has a first opening O1 and a second opening O2 located at both ends respectively. At least two of the oil supply passages 2214b and the oil storage passage 2214c are each formed by extending from the second opening O2, and the oil storage passage 2214c is linearly arranged.

[0050] Furthermore, the number of at least two of the oil supply passages 2214b of each of the multi-channel oil passages 2214 is described as three in this embodiment; three of the oil supply passages 2214b of one of the turning segments 221 communicate with two of the inner rail segments 223 and one of the outer rail segments 222, and three of the oil supply passages 2214b of the other turning segment 221 communicate with two of the inner rail segments 223 and the other of the outer rail segments 222, but it is not limited thereto. For example, in other embodiments not shown in the present application, the number of the oil supply passages 2214b of each of the multi-channel oil passages 2214 may also be two or four.

[0051] The two end caps 4 are respectively fixed to the two mounting end faces 213 of the slider 21, and each end cap 4 is formed with an oil injection channel 41. Among them, two turning segments 221 that are adjacent to each other and belong to different circulation seats 22 are arranged within one end cap 4, and the two multi-channel oil paths 2214 formed by them communicate with the corresponding oil injection channel 41. That is to say, each oil inlet channel 2214a (such as: the first opening O1) communicates with the corresponding oil injection channel 41, so that the lubricating oil can be injected into the oil injection channels 41 of the two end caps 4, and then flow along the multiple multi-channel oil paths 2214 to the multiple rolling channels P.

[0052] It should be additionally noted that the multiple rolling channels P can also be regarded as jointly formed by the sliding module 2 and the two end caps 4. Among them, each rolling channel P is in a closed circular shape, and the positions of the multiple rolling channels P respectively correspond to the two side surfaces 12 of the track 1. In addition, the multiple dust-proof members 3 are respectively arranged corresponding to the two circulation seats 22 along the sliding direction D1 and respectively abut against the two side surfaces 12 of the track 1, so as to isolate the multiple rolling channels P from the external environment, thereby achieving the effect of dust prevention.

[0053] Furthermore, as Figures 2 to 4 and Figure 10 shown, each dust-proof member 3 is a long strip-shaped structure parallel to the sliding direction D1 and has two end portions 31, which respectively protrude from the two mounting end faces 213 of the slider 21. Among them, the end portions 31 of the multiple dust-proof members 3 protruding from any one of the mounting end faces 213 are inserted into one end cap 4 (such as: each dust-proof member 3 may leave a gap G between it and at least one end cap 4 in the sliding direction D1), and each dust-proof member 3 can move relative to the two end caps 4 and the sliding module 2 along the sliding direction D1.

[0054] The multiple dust-proof members 3 in this embodiment are of a generally identical and integrally formed single-piece elastic structure, and the multiple dust-proof members 3 are divided into two lower dust-proof members 3a and two upper dust-proof members 3b according to different installation positions. That is to say, the positions of the two lower dust-proof members 3a are far from the upper surface 11 of the track 1, while the positions of the two upper dust-proof members 3b are close to the upper surface 11 of the track 1, but this application is not limited thereto. For example, in other embodiments not shown in this application, the structure of the lower dust-proof member 3a may also be different from that of the upper dust-proof member 3b.

[0055] It should be noted first that as Figure 2 and Figures 10 to 13As shown, the sliding module 2, the plurality of dust-proof members 3 (or the two lower dust-proof members 3a), and the two end caps 4 can be jointly defined as a dust-proof mechanism in this embodiment, and the dust-proof mechanism can be applied independently (e.g., for vending) or used in combination with other components according to actual needs. Each of the end caps 4 is formed with two lower grooves 42 and two upper grooves 43 that are spaced apart from each other, and the two lower grooves 42 and the two upper grooves 43 are all parallel to the sliding direction D1. Further, the two lower grooves 42 of one of the end caps 4 respectively correspond to the two lower grooves 42 of the other end cap 4 along the sliding direction D1, and the two upper grooves 43 of one of the end caps 4 respectively correspond to the two upper grooves 43 of the other end cap 4 along the sliding direction D1.

[0056] The two lower dust-proof members 3a are respectively arranged corresponding to the two circulating seats 22 along the sliding direction D1 and respectively abut against the two side surfaces 12, and the two end portions 31 of each of the lower dust-proof members 3a respectively protrude from the two mounting end surfaces 213 of the slider 21. Among them, any two of the lower grooves 42 that are arranged along the sliding direction D1 and belong to different end caps 4 respectively sleeved on the two end portions 31 of a lower dust-proof member 3a and jointly have a total length L with the slider 21 in the sliding direction D1, which is 100.4% - 110% of the length L3a of the corresponding lower dust-proof member 3a, so that each lower dust-proof member 3a can move relative to the two end caps 4 and the sliding module 2 along the sliding direction D1.

[0057] Thus, in this embodiment, the linear slide rail 100 is mounted in an orbital manner by each lower dust-proof member 3a cooperating with the sliding module 2 and the two end caps 4, so that each lower dust-proof member 3a can automatically adjust its position to absorb the interference amount between them when contacting the rail 1, and thus more stably maintain mutual abutment.

[0058] In addition, since the two upper dust-proof members 3b have the same structure as the two lower dust-proof members 3a in this embodiment, the two upper dust-proof members 3b also have the above technical effects. That is to say, the two upper dust-proof members 3b may optionally have the following connection relationship in this embodiment.

[0059] The two upper dust-proof members 3b are respectively arranged corresponding to the two circulation seats 22 along the sliding direction D1, and respectively abut against the two side surfaces 12, and the two end portions 31 of each upper dust-proof member 3b respectively protrude from the two mounting end surfaces 213 of the slider 21. Among them, any two upper grooves 43 that are arranged along the sliding direction D1 and belong to different end covers 4 respectively sleeved on the two end portions 31 of an upper dust-proof member 3b, and the total length L jointly had by the slider 21 and the two upper grooves 43 in the sliding direction D1 corresponds to 100.4% - 110% of the length L3b of the upper dust-proof member 3b, so that each upper dust-proof member 3b can move relative to the two end covers 4 and the sliding module 2 along the sliding direction D1.

[0060] It should be additionally noted that the specific structures of the two dust-proof members 3 (or the two upper dust-proof members 3b) can be adjusted and changed according to actual needs. However, for the convenience of understanding, the following content will illustrate one optional structure of the two lower dust-proof members 3a. Furthermore, based on the fact that the two lower dust-proof members 3a adopt generally the same or mirror-symmetrical structures, for the convenience of description, only the structure and the corresponding connection relationship of one of the lower dust-proof members 3a will be introduced below, but the present application is not limited thereto. For example, in other embodiments not shown in the present application, on the premise that the two lower dust-proof members 3a can play the function of moving relative to the slider 21 and the two end covers 4, the structures of the two lower dust-proof members 3a can also be slightly different.

[0061] In this embodiment, the lower dust-proof member 3a includes a main body section 31a, and a contact section 32a and a buffer section 33a respectively connected to both sides of the main body section 31a. Among them, the main body section 31a, the contact section 32a, and the buffer section 33a are each in a long strip shape parallel to the sliding direction D1, and both ends of them respectively belong to the two end portions 31 of the lower dust-proof member 3a.

[0062] More specifically, the main body section 31a abuts against the corresponding circulation seat 22 along a thickness direction D2 perpendicular to the sliding direction D1, the contact section 32a is formed by extending from one side of the main body section 31a along a width direction D3 perpendicular to the sliding direction D1 and the thickness direction D2, and the buffer section 33a is formed by extending from the other side of the main body section 31a.

[0063] Furthermore, the contact section 32a abuts against the corresponding side surface 12 of the rail 1, and when the contact section 32a is pressed, the lower dust-proof member 3a can move along at least one of the thickness direction D2 and the width direction D3. Further, among any of the end portions 31 of the lower dust-proof member 3a in this embodiment, there is a longitudinal gap G1 between the main body section 31a and the corresponding lower groove 42 along the thickness direction D2, and there is a transverse gap G2 between the buffer section 33a and the corresponding lower groove 42 along the width direction D3, so as to facilitate the lower dust-proof member 3a to move or rotate toward the longitudinal gap G1 and / or the transverse gap G2, thereby absorbing the interference amount.

[0064] In addition, each of the circulating seats 22 may further be formed with a first buffer groove 224, each of the lower grooves 42 may further include a second buffer groove 421, and any two of the lower grooves 42 that are arranged along the sliding direction D1 and belong to different end caps 4 communicate with each other through the two second buffer grooves 421 to form a buffer groove B together.

[0065] Furthermore, the buffer section 33a of each of the lower dust-proof members 3a has a rib 331a, which is disposed within one of the buffer grooves B and does not touch the inner wall of the buffer groove B, so as to be held within the buffer groove B through the rib 331a, so that the lower dust-proof member 3a can be stably disposed between the sliding module 2 and the two end caps 4, and facilitate the lower dust-proof member 3a to absorb the interference amount through rotation.

[0066] [Technical effects of the embodiments of the present application]

[0067] In summary, for the linear rail, its sliding module and circulating seat disclosed in the embodiments of the present application, by forming the multi-channel oil paths at specific positions (such as: the layout surface adjacent to the installation end surface) of each of the turning sections, it is beneficial for the lubricating oil to be more evenly distributed within the plurality of rolling channels, and further beneficial for the plurality of rolling elements to roll smoothly.

[0068] Furthermore, for the linear rail and its dust-proof mechanism disclosed in the embodiments of the present application, by arranging each of the lower dust-proof members in an orbital manner in cooperation with the sliding module and the two end caps, each of the lower dust-proof members can automatically adjust its position to absorb the interference amount between them when contacting the rail, and further maintain a more stable abutment against each other.

[0069] In addition, for the linear slide rail, its sliding module and the recirculation block disclosed in the embodiments of the present application, by planning the first radius and the second radius of each of the turning sections in a specific proportional relationship, so that each of the outer track sections corresponds to the first radius and each of the inner track sections corresponds to the second radius, thereby enabling the plurality of rolling elements in any one of the rolling channels to turn and roll more smoothly.

[0070] The above-described embodiments and / or implementation manners are only used to illustrate the preferred embodiments and / or implementation manners for implementing the technology of the present application, and do not impose any formal restrictions on the implementation manners of the technology of the present application. Any person skilled in the art, without departing from the scope of the technical means disclosed in the content of the present application, may make some changes or modifications to other equivalent embodiments, but should still be regarded as the same technology or embodiment as the present application in essence.

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 comprises: A slider, comprising a base and two side wings respectively extending from the base, wherein inner edges of the two side wings respectively face the two side surfaces; Two circulation seats are respectively mounted on the two side wings and correspond to the two side surfaces respectively; wherein each of the circulation seats is formed with two rolling channels and includes: Two turning sections protruding from two mounting end surfaces of the slider, respectively; wherein each of the turning sections has two outer arc sections and two inner arc sections respectively connected to the two outer arc sections, and each of the outer arc sections has a first radius, and each of the inner arc sections has a second radius, which is 90% to 110% of the first radius; Two outer track segments are inserted into the corresponding side wing portions, and two ends of each outer track segment are respectively connected to two outer arc sections belonging to different turning sections; and Two inner track segments are located between the corresponding side wing portions and the corresponding side surfaces, and two ends of each inner track segment are respectively connected to two inner arc segments belonging to different turning sections; Each of the outer track segments can be connected to one of the inner track segments through the two turning segments to form a rolling channel; and A plurality of rolling elements are installed in the two circulation seats and move along the plurality of rolling channels of the two circulation seats respectively; and Two end covers are respectively fixed to the two mounting end surfaces of the slider; wherein the two steering sections adjacent to each other and belonging to different circulation seats are arranged in one end cover.

2. The linear guide rail according to claim 1, characterized in that: Each of the turning sections has: a closed turning channel, comprising an outer arc section and an inner arc section connected to each other; and An open steering channel comprises another outer arc section and another inner arc section connected to each other; wherein the open steering channel is located outside the closed steering channel.

3. The linear guide rail according to claim 2, characterized in that: In each of the circulation seats, the closed turning channel of any one of the turning sections is integrally connected to one of the outer track sections and one of the inner track sections, and the open turning channel is detachably assembled to another of the outer track sections and another of the inner track sections.

4. The linear guide rail according to claim 2, characterized in that: In the closed turning channel, the center of the outer arc section is spaced apart from the center of the inner arc section; in the open turning channel, the center of the outer arc section is spaced apart from the center of the inner arc section.

5. The linear guide rail according to claim 1, characterized in that: In each of the circulation seats, any one of the turning sections is integrally connected to one of the outer track sections and one of the inner track sections, and can be detachably assembled to another of the outer track sections and another of the inner track sections.

6. The linear guide rail according to claim 5, characterized in that: In each of the circulation seats, each of the turning sections has a layout surface adjacent to the corresponding mounting end surface, which is concavely formed with a multi-channel oil path connected to the two rolling channels.

7. The linear guide rail according to claim 6, characterized in that: Each end cover is formed with an oil injection channel, and two steering sections adjacent to each other and belonging to different circulation seats are arranged in one end cover, and the two multi-channel oil circuits formed therefrom are connected to the corresponding oil injection channel; wherein the multi-channel oil circuit of each steering section includes: An oil inlet channel connected to the corresponding oil injection channel; At least two oil supply channels are connected to the oil inlet channel, and at least two of the oil supply channels are respectively connected to the corresponding two rolling channels; and An oil storage channel is connected to the oil inlet channel but is not connected to any of the rolling channels.

8. The linear guide rail according to claim 1, characterized in that: The linear slide rail includes a plurality of dustproof parts, which are respectively arranged corresponding to the two circulation seats along the sliding direction and respectively abut against the two side surfaces; wherein each of the dustproof parts has two end portions, which respectively protrude from the two mounting end surfaces of the slider; the end portions of the plurality of dustproof parts protruding from any one of the mounting end surfaces are inserted into one of the end covers, and each of the dustproof parts can move along the sliding direction relative to the two end covers and the sliding module.

9. A sliding module of a linear slide rail, characterized in that: The sliding module of the linear slide rail comprises: A slider, comprising a base and two side wings extending from the base respectively; and Two circulation seats are respectively installed on the two side wings; wherein each of the circulation seats is formed with two rolling channels and includes: Two turning sections protruding from two mounting end surfaces of the slider, respectively; wherein each of the turning sections has two outer arc sections and two inner arc sections respectively connected to the two outer arc sections, and each of the outer arc sections has a first radius, and each of the inner arc sections has a second radius, which is 90% to 110% of the first radius; Two outer track segments are inserted into the corresponding side wing portions, and two ends of each outer track segment are respectively connected to two outer arc sections belonging to different turning sections; and Two inner track segments are located between the two side wing portions, and two ends of each inner track segment are respectively connected to two inner arc segments belonging to different turning segments; Wherein, each of the outer track segments can be connected with one of the inner track segments through the two turning segments to jointly form one rolling channel.

10. A circulation seat of a linear slide rail, characterized in that: The circulation seat of the linear slide rail is formed with two rolling channels and is used to be installed on a slider, and the circulation seat includes: Two turning sections, each having two outer arc sections and two inner arc sections respectively connected to the two outer arc sections, each of the outer arc sections having a first radius, and each of the inner arc sections having a second radius, which is 90% to 110% of the first radius; Two outer track segments, each end of which is connected to two outer arc segments belonging to different turning segments; and Two inner track segments, each end of which is connected to two inner arc segments belonging to different turning segments; Wherein, each of the outer track segments can be connected with one of the inner track segments through the two turning segments to jointly form one rolling channel.

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