CN221610410U - Guide rail frame and linear guide rail pair - Google Patents

Abstract

The application discloses a guide rail frame and a linear guide rail pair, the guide rail frame comprises a first gyrator, a second gyrator and a first bracket. The first gyrator and the second gyrator are oppositely arranged along the first direction. The first support is arranged between the first gyrator and the second gyrator, and two ends of the first support are respectively connected with the first gyrator and the second gyrator. The first bracket is provided with a first convex part, and the first convex part is configured to be engaged with the sliding block. The first support, the second support, the first gyrator and the second gyrator are integrally formed. The integrated structure of the application is beneficial to reducing assembly errors, improving assembly convenience and efficiency, and improving the stability of the installation of the guide rail frame due to the clamping of the first convex part and the sliding block.

Description

Guide rail frame and linear guide rail pair

Technical Field

The application relates to the technical field of linear transmission, in particular to a guide rail frame and a linear guide rail pair.

Background

The linear guide rail pair is a movement mechanism comprising a guide rail and a sliding block, a guide rail frame is arranged between the guide rail and the sliding block, rolling bodies move in a rolling channel between the guide rail frame and the guide rail, and the rolling bodies circulate between the inside of the sliding block and the rolling channel through a gyrator of the guide rail frame, so that the sliding block moves relative to the guide rail.

The assembly of the guide rail frame influences the comprehensive precision of the linear guide rail pair, all parts of the traditional guide rail frame are independently injection molded and then assembled in sequence, errors can be generated in the processing and manufacturing process and the assembly process of parts, and after the guide rail frame is installed, all parts of the guide rail frame can generate relative displacement relative to the sliding blocks.

Disclosure of utility model

In view of the above, the present application provides a guide rail frame and a linear guide rail pair, which aim to improve the assembly accuracy of the guide rail frame and the installation stability of the guide rail frame.

In a first aspect of the present application, a rail housing is provided, the rail housing including a first gyrator, a second gyrator, and a first bracket. The first gyrator and the second gyrator are oppositely arranged along the first direction. The first support is arranged between the first gyrator and the second gyrator, two ends of the first support are respectively connected with the first gyrator and the second gyrator, and the second direction is perpendicular to the first direction; the first bracket is provided with a first convex part, and the first convex part is configured to be engaged with the sliding block. The first bracket, the first gyrator and the second gyrator are integrally formed.

In the above embodiment, the first bracket, the first gyrator and the second gyrator are integrally formed, so that the process of independently assembling the first bracket, the first gyrator and the second gyrator is omitted, and the assembly error of the guide rail frame and the assembly efficiency of the guide rail frame are reduced. And the first convex part is used for being clamped with the sliding block, so that the relative movement between the guide rail frame integrated structure and the sliding block is restrained, and the stability of connection between the guide rail frame integrated structure and the sliding block is improved.

In some embodiments, the first bracket includes a first retaining bar and a second retaining bar extending along a first direction, the first retaining bar and the second retaining bar being disposed opposite along a third direction, the third direction being perpendicular to the first direction. The first retaining strip is provided with a first protruding portion, the second retaining strip is provided with a second protruding portion, and the first protruding portion and the second protruding portion are both configured to be engaged with the slider.

In the above embodiment, the first retaining strip and the second retaining strip are both in contact with the rolling bodies of the sliding blocks in the guide rails, which is favorable for keeping the movement of the rolling bodies, so that the rolling bodies move between the sliding blocks and the sliding rails more smoothly and stably, and further, the running stability and running precision between the sliding blocks and the guide rails are improved. And the clamping of the first convex part and the second convex part with the sliding block is beneficial to further limiting the movement of the guide rail frame relative to the sliding block, so that the connection stability of the guide rail frame and the sliding block is further improved, and the risk of unsmooth running of the rolling bodies caused by unstable connection of the guide rail frame and the sliding block is reduced.

In some embodiments, the first protrusion includes a plurality of elastic arms connected to the first retaining bar, the plurality of elastic arms being arranged in an annular shape with a gap between any two adjacent elastic arms; the plurality of resilient arms are formed with a first annular end proximal to the first retaining bar and a second annular end distal to the first retaining bar, the first annular end having a diameter smaller than a diameter of the second annular end.

In the above embodiment, the plurality of elastic arms have an outward tension, and the outward tension after the first convex part and the sliding block are clamped can play a role in inhibiting the first convex part from being separated from the sliding block, so that the stability of the first convex part and the sliding block is improved, and the connection stability of the guide rail frame and the sliding block is further improved. The arrangement of the first convex part also has a certain anti-counterfeiting effect and has positive significance for brand maintenance.

In some embodiments, the outer peripheral chamfer of the second annular end is provided.

In the above embodiment, the chamfer plays a guiding role when the second annular end portion stretches into the clamping hole of the slider, so that the first protruding portion stretches into the clamping hole to be clamped with the slider.

In some embodiments, the rail frame further comprises a second bracket, the first bracket and the second bracket are arranged along a second direction, and the first direction, the second direction and the third direction are perpendicular to each other. The second support is arranged between the first gyrator and the second gyrator, and two ends of the second support are respectively connected with the first gyrator and the second gyrator. The first support, the second support, the first gyrator and the second gyrator are integrally formed.

In some embodiments, the first gyrator includes a first steering portion, a second steering portion, and a first connecting member, the first steering portion, the first connecting member, and the second steering portion being arranged in order along the third direction. The first connecting piece connects the first steering part and the second steering part. The second gyrator comprises a third steering part, a fourth steering part and a second connecting piece, and the third steering part, the second connecting piece and the fourth steering part are sequentially arranged along the third direction. The second connecting piece connects the third steering part and the fourth steering part. Two ends of the first retaining strip are respectively connected with the second steering part and the fourth steering part, and two ends of the second retaining strip are respectively connected with the first steering part and the third steering part; the two ends of the second bracket are respectively connected with the first connecting piece and the second connecting piece.

In the above embodiment, the first connecting member and the second connecting member are beneficial to integrally forming the first bracket, the second bracket, the first gyrator and the second gyrator.

In some embodiments, the first connector and the second connector are each of a resilient structure; the second support is respectively and elastically connected with the first gyrator and the second gyrator.

In the above embodiment, the first connecting piece and the second connecting piece are elastic structures, the second support is respectively in elastic connection with the first gyrator and the second gyrator, so that the integrated structure of the guide rail frame is favorable for deformation in the process of being assembled on the sliding block, the guide rail frame is easier to be installed on the sliding block, and the assembly efficiency of the guide rail frame is further improved.

In some embodiments, the first connector comprises a first body and at least two first connections provided on the first body; the first main body is positioned at one side of the second bracket along the first direction and is connected with the first steering part and the second steering part; at least two first connecting parts are arranged along a third direction, and gaps are arranged between any two adjacent first connecting parts along the third direction; the second bracket is connected with the first main body through at least two first connecting parts.

In the above embodiment, gaps are provided between the plurality of first connecting portions, so that the connection strength between the first connecting piece and the second bracket is reduced, the first main body is beneficial to moving relative to the second bracket, and the first connecting piece is elastically deformed.

In some embodiments, the number of first protrusions is a plurality, the plurality of first protrusions is arranged along the first direction, the number of second protrusions is a plurality, and the plurality of second protrusions is arranged along the first direction.

In the above embodiment, the first protrusions and the second protrusions are engaged with the slider, so as to further improve the connection stability of the guide rail frame and the slider.

In some embodiments, the track frame further comprises a third bracket disposed between the first bracket and the second bracket along the second direction, the third bracket being connected to the first gyrator and the second gyrator. A first chute and a second chute are formed between the third bracket and the second bracket, and a third chute and a fourth chute are formed between the third bracket and the first bracket.

In the above embodiment, the first sliding groove, the second sliding groove, the third sliding groove and the fourth sliding groove enable the guide rail frame to have a plurality of structures for keeping the rolling bodies to move, which is beneficial to improving the running stability and running precision between the sliding blocks and the guide rail.

The second aspect of the present application provides a linear guide rail pair, which comprises a guide rail, a slider, a rolling body and a guide rail frame in any of the above embodiments, wherein the guide rail extends along a first direction, the slider is provided with a mounting groove, a part of the first bracket is arranged at an opening of the mounting groove, along the first direction, the first gyrator abuts against one end of the slider, and the second gyrator abuts against one end of the slider, which is away from the first gyrator; the sliding block is sleeved on the guide rail through the guide rail frame and is connected to the guide rail in a sliding manner along a first direction through the rolling bodies.

In the above embodiment, the assembly accuracy of the guide rail frame is improved, the assembly difficulty is reduced, and the connection stability of the guide rail frame and the sliding block is enhanced, so that the assembly accuracy and the assembly stability of the linear guide rail pair are improved, the running stability of the rolling bodies is improved, and the running stability and the comprehensive accuracy of the linear guide rail pair are improved.

The guide rail frame comprises a first rotator, a second rotator and a first bracket. The first gyrator and the second gyrator are oppositely arranged along the first direction. The first support is arranged between the first gyrator and the second gyrator, and is respectively connected to the bottoms of the first gyrator and the second gyrator in the second direction, and the second direction is perpendicular to the first direction. The first bracket is provided with a first convex part, and the first convex part is configured to be engaged with the sliding block. The first support, the second support, the first gyrator and the second gyrator are integrally formed. The integrated structure of the application is beneficial to reducing assembly errors, improving assembly convenience and efficiency, and the first convex part and the sliding block are clamped, so that relative displacement between the integrated structure of the guide rail frame and the sliding block is restrained, and the stability of the installation of the guide rail frame is improved.

Drawings

Fig. 1 is a schematic structural diagram of a linear guide pair according to an embodiment of the present application.

Fig. 2 is an exploded view of the linear guide pair of fig. 1.

Fig. 3 is a schematic structural view of the guide rail frame in fig. 2.

Fig. 4 is a schematic structural view of the rail frame of fig. 3 from another view.

Fig. 5 is a partial enlarged view of a portion a in fig. 3.

Fig. 6 is a schematic structural diagram of a slider according to an embodiment of the present application.

Fig. 7 is a block diagram of a guide rail frame according to another embodiment of the present application.

Fig. 8 is a block diagram of a rail housing according to still another embodiment of the present application.

Reference numerals

Rail frame 100

First gyrator 10

First steering portion 11

Second turning part 12

First connector 13

First body 131

First connecting portion 132

Arc-shaped protrusion 14

Steering groove 15

Second gyrator 20

Third steering part 21

Fourth turning part 22

Second connector 23

A second body 231

Second support 30

Positioning plate 31

First slideway 311

Second slide way 312

First reinforcing strip 32

Second reinforcing strip 33

First support 40

First retaining strip 41

First protrusion 413

Spring arm 4131

First annular end 413a

Second annular end 413b

Second retaining strip 42

Second convex portion 423

Third stand 50

Third holding strip 51

Fourth holding strip 52

Guide rail 200

Slider 300

Mounting groove 300a

First wall 301

Second wall 302

Third wall 303

Circulation channel 304

Card hole 305

Rolling element 400

First end cap 600

Second end cap 700

Linear guide rail pair 1000

First direction X

Second direction Y

Third direction Z

Detailed Description

The following description of the technical solutions according to the embodiments of the present application will be given with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments.

It is noted that when one component is considered to be "connected" to another component, it may be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed" on another element, it can be directly on the other element or intervening elements may also be present. The term "bottom" and similar expressions are used herein for illustrative purposes only.

The term "plurality" as used herein refers to two or more than two, unless specifically stated otherwise.

The terms "first," "second," and the like, are used merely to distinguish between different objects and should not be construed as indicating or implying a relative importance or number of technical features, a particular order or a primary or secondary relationship indicated.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

Some embodiments of the present application will be described below with reference to the accompanying drawings. The embodiments described below and features of the embodiments may be combined with each other without conflict.

Referring to fig. 1 and 2, an embodiment of the present application provides a linear guide rail pair 1000, wherein the linear guide rail pair 1000 includes a rail frame 100, a rail 200, a slider 300, and rolling elements 400. The slider 300 is provided with an installation groove 300a, the guide rail frame 100 is connected with the slider 300, a part of the guide rail frame 100 is installed in the installation groove 300a, the slider 300 is sleeved on the guide rail 200 through the guide rail frame 100, a part of the guide rail frame 100 is positioned between the slider 300 and the guide rail 200, the rolling elements 400 are movably matched with the guide rail 200 and the slider 300, the slider 300 is slidably installed on the guide rail 200 along the extending direction of the guide rail 200, and the guide rail frame 100 is contacted with the rolling elements 400.

It will be appreciated that portions of the rolling elements 400 are omitted from the figures for clarity.

Referring to fig. 2, the extending direction of the guide rail 200 and the length direction of the slider 300 are defined as a first direction X, the height direction of the slider 300 is defined as a second direction Y, the width direction of the slider 300 is defined as a third direction Z, and the first direction X is perpendicular to the second direction Y and the third direction Z.

The sliding block 300 comprises a first wall 301, a second wall 302 and a third wall 303 which are sequentially connected, wherein the first wall 301, the second wall 302 and the third wall 303 are surrounded to form a mounting groove 300a, and the second wall 302 is a side wall at the bottom of the mounting groove 300 a. The first wall 301 is located on one side of the rail 200 in the third direction Z, the third wall 303 is located on one side of the rail 200 facing away from the first wall 301 in the third direction Z, the second wall 302 is located on one side of the rail 200 in the second direction Y, and gaps are provided between the first wall 301, the second wall 302, and the third wall 303 and the rail 200.

Referring to fig. 2, the slider 300 is provided with a plurality of circulation channels 304 penetrating along the first direction X, and the circulation channels 304 are used for accommodating part of the rolling elements 400. When the slider 300 slides, the rolling elements 400 movably engaged with the guide rail 200 and the slider 300 move into the circulation path 304 through the opening at one end of the circulation path 304, and move between the slider 300 and the guide rail 200 through the opening at the other end of the circulation path 304, and then contact the rail frame 100.

In some embodiments, the rolling bodies 400 are balls or rollers, but are not limited thereto.

In some embodiments, referring to fig. 2 and 3, the track frame 100 includes a first rotator 10, a second rotator 20, and a first bracket 40. The first gyrator 10 is disposed opposite to the second gyrator 20 along the first direction X, and is configured to be connected to the slider 300. The first bracket 40 is provided between the first gyrator 10 and the second gyrator 20. Both ends of the first bracket 40 are connected to the first gyrator 10 and the second gyrator 20, respectively. Wherein, a portion of the first bracket 40 is disposed at an opening of the mounting groove 300 a. The first gyrator 10 abuts against one end of the slider 300, and the second gyrator 20 abuts against one end of the slider 300 facing away from the first gyrator 10.

In some embodiments, the first bracket 40, the first gyrator 10, and the second gyrator 20 are integrally formed. The arrangement omits a process of separately assembling the first bracket 40, the first gyrator 10 and the second gyrator 20, which is advantageous in reducing an assembly error of the guide rail frame 100 and in improving an assembly efficiency of the guide rail frame 100.

In some embodiments, the track frame 100 further includes a second bracket 30, the second bracket 30 and the first bracket 40 being aligned along the second direction Y. The second bracket 30 is disposed between the first gyrator 10 and the second gyrator 20, and two ends of the second bracket 30 are respectively connected with the first gyrator 10 and the second gyrator 20. The first bracket 40, the second bracket 30, the first gyrator 10 and the second gyrator 20 are integrally formed. The arrangement omits the process of separately assembling the first bracket 40, the second bracket 30, the first gyrator 10 and the second gyrator 20, which is advantageous in reducing the assembly error of the guide rail frame 100 and in improving the assembly efficiency of the guide rail frame 100.

It will be appreciated that the rolling elements 400 between the rail 200 and the slider 300 are in contact with the rail 200 and the slider 300, and the rolling elements 400 between the rail 200 and the slider 300 are also in contact with the second bracket 30 and the first bracket 40, and the second bracket 30 and the first bracket 40 facilitate maintaining the movement of the rolling elements 400, thereby facilitating smoother movement of the rolling elements 400 between the rail 200 and the slider 300. When the slider 300 moves relative to the guide rail 200, the rolling bodies 400 in the guide rail 200 and the slider 300 move and turn by the first turn device 10 to enter the circulation channel 304, and the rolling bodies 400 in the circulation channel 304 turn by the second turn device 20 to enter between the slider 300 and the guide rail 200 and contact with the second bracket 30 and the first bracket 40; or when the slider 300 moves relative to the guide rail 200, the rolling bodies 400 positioned in the guide rail 200 and the slider 300 are turned by the second gyrator 20 and then enter the circulation channel 304, and the rolling bodies 400 positioned in the circulation channel 304 are turned by the first gyrator 10 and then enter between the slider 300 and the guide rail 200 and contact with the second bracket 30 and the first bracket 40.

In some embodiments, the materials of the second bracket 30, the first bracket 40, the first rotator 10 and the second rotator 20 may be engineering plastics such as Polyoxymethylene (POM), polyamide (PA), polyetheretherketone (PEEK), etc., and glass fiber, carbon fiber or graphene may be added to the above materials to improve the structural strength and wear resistance of the second bracket 30, the first bracket 40, the first rotator 10 and the second rotator 20.

In some embodiments, the second bracket 30, the first bracket 40, the first gyrator 10 and the second gyrator 20 may be integrally formed by injection molding with an injection molding machine, or may be integrally formed by 3D printing, or may be integrally formed by punching with a punching machine, which is not described herein.

In some embodiments, referring to fig. 2 and 3, the slider 300 is provided with a circulation channel 304 on both a side of the first wall 301 facing away from the third wall 303 and a side of the third wall 303 facing away from the first wall 301. The first gyrator 10 includes a first steering portion 11 and a second steering portion 12 for steering the rolling elements 400, and the first steering portion 11 and the second steering portion 12 are arranged in the third direction Z. The first turning part 11 communicates the installation groove 300a with the circulation passage 304 on the side of the first wall 301 facing away from the third wall 303, and the first turning part 11 turns the rolling element 400 when moving between the circulation passage 304 on the side of the first wall 301 facing away from the third wall 303 and the installation groove 300 a. The second turning portion 12 communicates with the installation groove 300a and the circulation passage 304 on the side of the third wall 303 facing away from the first wall 301, and the second turning portion 12 turns the rolling element 400 when the third wall 303 moves between the circulation passage 304 on the side facing away from the first wall 301 and the installation groove 300 a.

In some embodiments, referring to fig. 2 and 3, the second gyrator 20 includes a third steering part 21 and a fourth steering part 22 for steering the rolling bodies 400, and the third steering part 21 and the fourth steering part 22 are arranged in a third direction Z. The third turning portion 21 communicates with the installation groove 300a and the circulation passage 304 on the side of the first wall 301 facing away from the third wall 303, and the third turning portion 21 turns the rolling element 400 while moving between the circulation passage 304 on the side of the first wall 301 facing away from the third wall 303 and the installation groove 300 a. The fourth turning part 22 communicates with the installation groove 300a and the circulation passage 304 on the side of the third wall 303 facing away from the first wall 301, and the fourth turning part 22 turns the rolling element 400 when the third wall 303 moves between the circulation passage 304 on the side facing away from the first wall 301 and the installation groove 300 a.

In some embodiments, referring to fig. 2 and 3, a plurality of arc-shaped protrusions 14 are disposed on each of the first rotator 10 and the second rotator 20, a turning groove 15 is disposed between two adjacent arc-shaped protrusions 14, the turning groove 15 is communicated with the circulation channel 304 and the installation groove 300a, the turning groove 15 is used for turning the rolling element 400 of the linear guide rail pair 1000, and the arc-shaped protrusions 14 play a role in limiting and guiding the rolling element 400.

In some embodiments, referring to fig. 2 and 3, the linear guide pair 1000 further includes a first end cover 600 and a second end cover 700, the first end cover 600 is disposed on a side of the first gyrator 10 facing away from the second bracket 30 along the first direction X, the first end cover 600 is buckled with the first gyrator 10, the second end cover 700 is disposed on a side of the second gyrator 20 facing away from the second bracket 30, and the second end cover 700 is buckled with the second gyrator 20. The first end cover 600 and the second end cover 700 can play a limiting role on the rolling bodies 400 in the steering groove 15, and prevent the rolling bodies 400 from falling out of the steering groove 15.

In some embodiments, oil passages are provided in the first and second end caps 600, 700, and lubricating oil passes through the first and second end caps 600, 700, between the first end cap 600 and the first gyrator 10, and between the second end cap 700 and the second gyrator 20. The arc profile of the arc-shaped protrusion 14 is provided with a relief (not identified). The avoidance portion allows a gap between the arc-shaped protrusion 14 of the first gyrator 10 and the first end cover 600, and a gap between the arc-shaped protrusion 14 of the second gyrator 20 and the second end cover 700, which is beneficial for lubricating oil to enter different circulation channels 304 through the gap, so as to improve oil supply effect.

In some embodiments, referring to fig. 2 and 3, along the arc profile of the arc-shaped protrusion 14, the diameter of the arc-shaped protrusion 14 is D ₁, the height of the arc-shaped protrusion 14 is D ₂, and 0.7D ₁＜D₂＜D₁ is satisfied, when the setting of the arc-shaped protrusion 14 satisfies this condition, it is beneficial to increase the gap through which the lubricating oil passes, and also beneficial to promote the guiding and limiting effects of the arc-shaped protrusion 14 on the rolling element 400, so as to promote the smoothness of the movement of the rolling element 400, and further promote the operation precision of the linear guide rail pair 1000.

In some embodiments, the relief may be machined to be flattened.

In some embodiments, referring to fig. 2 and 3, the first gyrator 10 further includes a first connecting member 13, and the first turning portion 11, the first connecting member 13, and the second turning portion 12 are sequentially arranged along the third direction Z, and the first connecting member 13 connects the first turning portion 11 and the second turning portion 12. The second gyrator 20 further includes a second connection member 23, the third steering portion 21, the second connection member 23, and the fourth steering portion 22 are sequentially arranged along the third direction Z, and the second connection member 23 connects the third steering portion 21 and the fourth steering portion 22. Both ends of the second bracket 30 are connected to the first and second connection members 13 and 23, respectively.

In some embodiments, the first connecting member 13 and the second connecting member 23 are both elastic structures, and the first bracket 40 is elastically connected to the first gyrator 10 and the second gyrator 20, respectively. The integrated structure of the guide rail frame 100 is easy to deform in the process of being assembled on the sliding block 300, so that the guide rail frame 100 is easier to be mounted on the sliding block 300, and the assembly efficiency of the guide rail frame 100 is further improved.

When the guide rail frame 100 is mounted, the first and second connection members 13 and 23 are elastically deformed by applying force to the first and second rotators 10 and 20, the structure between the first and second brackets 40 and 10 and 20 is elastically deformed, the second and first brackets 30 and 40 are mounted in the mounting groove 300a of the slider 300, the first and second rotators 10 and 20 are mounted at one end of the slider 300, and after the second rotators 20 are mounted at the other end of the slider 300, the first and second connection members 13 and 23 are elastically restored, the structure between the first and second brackets 40 and 10 and 20 is elastically restored, and the first and second rotators 10 and 20 are elastically clamped at both ends of the slider 300, so that the guide rail frame 100 is fixed to the slider 300, and the convenience and feasibility of mounting the guide rail frame 100 are improved.

In some embodiments, referring to fig. 2 and 3, the first connecting member 13 includes a first main body 131 and at least two first connecting portions 132 disposed on the first main body 131. The first body 131 is located at one side of the second bracket 30 in the first direction X, and is connected to the first and second diverting portions 11 and 12. At least two first connecting portions 132 are arranged along the third direction Z, and gaps are formed between any two adjacent first connecting portions 132 along the third direction Z. The second bracket 30 is connected to the first body 131 through at least two first connection parts 132. Gaps are arranged among the first connecting parts 132, so that the connection strength between the first connecting piece 13 and the second bracket 30 is reduced, the first main body 131 can move relative to the second bracket 30, and the first connecting piece 13 is elastically deformed.

In some embodiments, referring to fig. 3, the first steering portion 11 is located at one side of the at least two first connecting portions 132 along the third direction Z, and a gap is formed between the first steering portion 11 and the at least two first connecting portions 132. The second turning part 12 is located at a side of the at least two first connecting parts 132 facing away from the first turning part 11 along the third direction Z, and a gap is provided between the second turning part 12 and the at least two first connecting parts 132. The arrangement is such that different portions of the first connecting member 13 are connected to the second bracket 30, the first turning portion 11 and the second turning portion 12, and that the region where the first connecting member 13 is connected to the second bracket 30, the region where the first connecting member 13 is connected to the first turning portion 11, and the region where the first connecting member 13 is connected to the second turning portion 12 are discontinuous, which is advantageous in deforming the first connecting member 13 and storing the elastic force for resetting.

In some embodiments, referring to fig. 3, the second connecting member 23 includes a second body 231 and at least two second connecting portions (not shown) disposed on the second body 231. Along the first direction X, the second main body 231 is located at a side of the second bracket 30 facing away from the first main body 131, at least two second connection portions are arranged along the third direction Z, and a gap is formed between any two adjacent second connection portions along the third direction Z. The second bracket 30 is connected to the second body 231 through at least two second connection parts. Gaps are arranged among the second connecting parts, so that the connection strength between the second connecting piece 23 and the second bracket 30 is reduced, the second main body 231 can move relative to the second bracket 30, and the second connecting piece 23 can be elastically deformed.

The arrangement manner between the second connecting member 23 and the second bracket 30, the first steering portion 11, and the second steering portion 12 may refer to the embodiments between the first connecting member 13 and the second bracket 30, the first steering portion 11, and the second steering portion 12, which are not described herein.

In some embodiments, referring to fig. 2 and 3, the second bracket 30 is mounted at the bottom of the mounting groove 300a of the slider 300, and two opposite sides of the second bracket 30 in the third direction Z are used for contacting the rolling elements 400 to improve the smoothness of the movement of the rolling elements 400.

In some embodiments, referring to fig. 3, the second bracket 30 includes a positioning plate 31, a first slide way 311 is disposed on one side of the positioning plate 31 along the third direction Z, a second slide way 312 is disposed on one side of the positioning plate 31 away from the first slide way 311, the first slide way 311 and the second slide way 312 extend along the first direction X, and the first slide way 311 and the second slide way 312 are used for contacting with the rolling elements 400.

In some embodiments, the surfaces of the first slide 311 and the second slide 312 contacting the rolling elements 400 are adapted to the rolling elements 400, which is advantageous for better matching of the positioning plate 31 with the rolling elements 400.

In some embodiments, referring to fig. 3, the second bracket 30 further includes a first reinforcing strip 32 and a second reinforcing strip 33, wherein the first reinforcing strips 32 are connected to a side of the positioning plate 31 in the second direction Y, and the second reinforcing strips 33 are connected to a side of the positioning plate 31 facing away from the first reinforcing strips 32 in the second direction Y. The first reinforcing strips 32 and the second reinforcing strips 33 are beneficial to improving the structural strength of the positioning plate 31, reducing the risk of deformation of the positioning plate 31, and further being beneficial to improving the running stability of the rolling body 400.

In some embodiments, referring to fig. 3, the first bracket 40 includes a first retaining bar 41 and a second retaining bar 42 extending along the first direction X, and the first retaining bar 41 and the second retaining bar 42 are disposed opposite to each other along the third direction Z and are located at one side of the second bracket 30 in the second direction Y. The first holding bar 41 extends in the first direction X, both ends of the first holding bar 41 are connected to the second steering portion 12 and the fourth steering portion 22, respectively, the second holding bar 42 extends in the first direction X, and both ends of the second holding bar 42 are connected to the first steering portion 11 and the third steering portion 21, respectively.

The first retaining strip 41 and the second retaining strip 42 are both contacted with the sliding block 300 and the rolling bodies 400 in the guide rail 200, which is favorable for retaining the movement of the rolling bodies 400, so that the rolling bodies 400 move between the sliding block 300 and the sliding rail more smoothly and stably, and the running stability and the running precision between the sliding block 300 and the guide rail 200 are further improved.

In some embodiments, referring to fig. 3 and 4, the first bracket 40 is provided with a first protrusion 413, where the first protrusion 413 is configured to be engaged with the slider 300, and the engagement of the first protrusion 413 with the slider 300 is beneficial to inhibit the relative movement between the integrally formed structure of the rail frame 100 and the slider 300, so as to facilitate improving the stability of the connection between the rail frame 100 and the slider 300, and reduce the risk of unsmooth operation of the rolling element 400 caused by unstable connection between the rail frame 100 and the slider 300.

In some embodiments, referring to fig. 3 and 4, the first retaining bar 41 is provided with a first protrusion 413, the second retaining bar 42 is provided with a second protrusion 423, the first protrusion 413 is configured to engage with the slider 300, and the second protrusion 423 is configured to engage with the slider 300. The engagement of the first protrusion 413 and the second protrusion 423 with the slider 300 is beneficial to limiting the movement of the rail frame 100 relative to the slider 300, and is beneficial to further improving the connection stability of the rail frame 100 and the slider 300, and reducing the risk of unsmooth running of the rolling elements 400 caused by unstable connection of the rail frame 100 and the slider 300.

In some embodiments, referring to fig. 4, the number of the first protrusions 413 is plural, the plurality of first protrusions 413 are arranged along the first direction X, the number of the second protrusions 423 is plural, and the plurality of second protrusions 423 are arranged along the first direction X. The first protrusions 413 and the second protrusions 423 are engaged with the slider 300, which is beneficial to further improving the connection stability of the rail frame 100 and the slider 300.

In some embodiments, referring to fig. 4, the first protrusions 413 equally divide the first retaining strip 41, and the second protrusions 423 equally divide the second retaining strip 42, which is beneficial to making the points of force between the first retaining strip 41 and the rail frame 100 more uniform, making the points of force between the second retaining strip 42 and the rail frame 100 bracket more uniform, and further improving the stability of the connection between the rail frame 100 and the slider 300.

In some embodiments, referring to fig. 5 and 6, the first protrusion 413 includes a plurality of elastic arms 4131, the plurality of elastic arms 4131 are connected to the first retaining strip 41, the plurality of elastic arms 4131 are arranged in a ring shape, and a gap is formed between any two adjacent elastic arms 4131. The plurality of elastic arms 4131 are formed with a first annular end 413a close to the first holding bar 41 and a second annular end 413b distant from the first holding bar 41, the first annular end 413a having a smaller diameter than the second annular end 413 b.

It can be appreciated that the plurality of elastic arms 4131 have an outward tension, and the outward tension after the first protrusion 413 is engaged with the slider 300 can play a role of inhibiting the first protrusion 413 from being separated from the slider 300, so as to improve the stability of the engagement between the first protrusion 413 and the slider 300, which is beneficial to further improving the stability of the connection between the guide rail frame 100 and the slider 300. The arrangement of the first protruding portion 413 also has a certain anti-counterfeiting effect, and has positive significance for brand maintenance.

As an exemplary example, the slider 300 is provided with a card hole 305 into which the first protrusion 413 is inserted, and the plurality of elastic walls of the second annular end 413b are contracted inward during insertion of the first protrusion 413 into the card hole 305, so that the diameter of the second annular end 413b is reduced to facilitate insertion of the first protrusion 413 into the card hole 305. After the first protruding portion 413 extends into the clamping hole 305, the end portion of the plurality of elastic walls away from the first retaining strip 41 expands outwards or has a tendency to expand outwards, so that the first protruding portion 413 is limited to be separated from the clamping hole 305, and the clamping stability of the first protruding portion 413 and the sliding block 300 is improved.

In some embodiments, referring to fig. 5 and 6, the outer peripheral chamfer of the second annular end 413b is provided. The chamfer guides the second annular end 413b as it extends into the catch hole 305 of the slider 300, facilitating the first protrusion 413 extending into the catch hole 305 to engage the slider 300.

In other embodiments, referring to fig. 7 and 8, the first protrusion 413 may be in a shape of a truncated cone, a cylinder, a spindle, etc., which is not limited herein.

In some embodiments, the structure of the second protrusion 423 may refer to the structure of the first protrusion 413, which is not described herein.

In some embodiments, referring to fig. 2, the track frame 100 further includes a third bracket 50, where the third bracket 50 is disposed between the second bracket 30 and the first bracket 40 along the second direction Y. The third bracket 50 is provided between the first gyrator 10 and the second gyrator 20 in the first direction X, and is connected to the first gyrator 10 and the second gyrator 20. The third bracket 50 may be connected to the first gyrator 10 and the second gyrator 20 in a clamping manner, and the third bracket 50 may be integrally formed with the first gyrator 10 and the second gyrator 20, which is not particularly limited herein.

In some embodiments, referring to fig. 2, the third bracket 50 includes a third retaining bar 51 and a fourth retaining bar 52, and the third retaining bar 51 and the fourth retaining bar 52 are disposed opposite in the third direction Z and between the second bracket 30 and the first bracket 40.

The third retaining strip 51 and the fourth retaining strip 52 are both contacted with the rolling bodies 400 of the sliding block 300 in the guide rail 200, which is favorable for retaining the movement of the rolling bodies 400, so that the rolling bodies 400 move between the sliding block 300 and the sliding rail more smoothly and stably, and the running stability and the running precision between the sliding block 300 and the guide rail 200 are further improved.

In some embodiments, the third retaining strip 51 and the first slideway 311 form a first chute (not shown) extending along the first direction X, and the first chute is used for retaining the rolling bodies 400 for rolling; the fourth holding bar 52 and the second slideway 312 form a second runner (not shown) extending along the first direction X, and the second runner is used for holding the rolling bodies 400 to roll. The first chute and the second chute play a role in keeping the rolling body 400 stably moving, and are beneficial to improving the stability of the movement of the rolling body 400.

The rolling bodies 400 are located in the first sliding groove and the second sliding groove, and roll along the extending direction of the first sliding groove and the second sliding groove. When the slider 300 moves relative to the guide rail 200, the rolling elements 400 of the first sliding groove enter the circulation channel 304 from one end of the slider 300 in the first direction X after moving, the rolling elements 400 in the circulation channel 304 move and enter between the slider 300 and the guide rail 200 at the other end of the slider 300, and enter the first sliding groove; the rolling elements 400 in the second sliding groove enter the circulation passage 304 from one end of the slider 300 in the first direction X after moving, and the rolling elements 400 in the circulation passage 304 move and enter between the slider 300 and the guide rail 200 at the other end of the slider 300 and enter the second sliding groove. The first and second sliding grooves provide the rail housing 100 with a plurality of structures for maintaining the movement of the rolling bodies 400 disposed in the third direction Z, which is advantageous in improving the stability and the operation accuracy of the operation between the slider 300 and the rail 200.

In some embodiments, the third retaining strip 51 further forms, with the first retaining strip 41, a third runner (not shown) extending along the first direction X, for retaining the rolling bodies 400 in rolling motion; the fourth holding strip 52 also constitutes, with the second holding strip 42, a fourth slide groove (not shown) extending in the first direction X for holding the rolling bodies 400 in rolling motion.

The third sliding groove and the fourth sliding groove are arranged along the third direction Z, and the rolling body 400 is located in the third sliding groove and the fourth sliding groove and rolls along the extending direction of the third sliding groove and the fourth sliding groove. When the slider 300 moves relative to the guide rail 200, the rolling elements 400 of the third sliding groove enter the circulation channel 304 from one end of the slider 300 in the first direction X after moving, the rolling elements 400 in the circulation channel 304 move and enter between the slider 300 and the guide rail 200 at the other end of the slider 300, and enter the third sliding groove; the rolling elements 400 in the fourth sliding groove enter the circulation passage 304 from one end of the slider 300 in the first direction X after moving, and the rolling elements 400 in the circulation passage 304 move and enter between the slider 300 and the guide rail 200 at the other end of the slider 300 and enter the fourth sliding groove. The first, second, third and fourth sliding grooves provide the rail housing 100 with a plurality of structures for maintaining the movement of the rolling bodies 400, which are disposed along the second direction Y, and a plurality of structures for maintaining the movement of the rolling bodies 400, which are disposed along the third direction Z, which are particularly advantageous in improving the stability and the operation accuracy of the operation between the slider 300 and the rail 200.

It can be appreciated that the second bracket 30, the first bracket 40 and the third bracket 50 form a plurality of rolling elements 400 circulating structure between the slider 300 and the guide rail 200 along the second direction Y, which is beneficial to further improving the running stability between the slider 300 and the guide rail 200.

In other embodiments, more brackets may be provided in the second direction Y to form more rolling element 400 circulation structures in the second direction Y, which are not further shown.

In some embodiments, the first runner and the circulation channel 304 are in communication through the turn slot 15, the second runner and the circulation channel 304 are in communication through the turn slot 15, the third runner and the circulation channel 304 are in communication through the turn slot 15, and the third runner and the circulation channel 304 are in communication through the turn slot 15, the turn slot 15 being for the rolling elements 400 of the linear guide pair 1000 to turn.

In addition, those skilled in the art will recognize that the foregoing embodiments are merely illustrative of the present application and are not intended to be limiting, as appropriate modifications and variations of the foregoing embodiments are within the scope of the present disclosure.

Claims (10)

1. The utility model provides a guide rail frame is suitable for with the slider connection of linear guide pair, its characterized in that, guide rail frame includes first gyrator, second gyrator and first support:

the first gyrator and the second gyrator are oppositely arranged along a first direction;

The first support is arranged between the first gyrator and the second gyrator, and two ends of the first support are respectively connected with the first gyrator and the second gyrator; the first bracket is provided with a first convex part, and the first convex part is configured to be clamped with the sliding block;

the first support, the first gyrator and the second gyrator are integrally formed.

2. The track frame of claim 1, wherein the first bracket includes a first retention bar and a second retention bar extending along the first direction, the first retention bar and the second retention bar being oppositely disposed along a third direction, the third direction being perpendicular to the first direction;

The first retaining strip is provided with the first protruding portion, the second retaining strip is provided with the second protruding portion, and the first protruding portion and the second protruding portion are both configured to be engaged with the slider.

3. The track frame of claim 2, wherein the first projection comprises a plurality of resilient arms connected to the first retaining bar, the plurality of resilient arms being arranged in a ring shape with a gap between any two adjacent resilient arms; the plurality of resilient arms are formed with a first annular end proximal to the first retaining bar and a second annular end distal from the first retaining bar, the first annular end having a diameter that is smaller than a diameter of the second annular end.

4. A track frame according to claim 3, wherein the outer peripheral chamfer of the second annular end portion is provided.

5. The track frame according to claim 2, wherein the number of the first protrusions is plural, the plurality of the first protrusions are arranged in the first direction, the number of the second protrusions is plural, and the plurality of the second protrusions are arranged in the first direction.

6. The track frame of claim 2, further comprising a second bracket, wherein the first bracket and the second bracket are aligned in a second direction, wherein the first direction, the second direction, and the third direction are perpendicular to each other;

The second bracket is arranged between the first gyrator and the second gyrator, and two ends of the second bracket are respectively connected with the first gyrator and the second gyrator;

The first support, the second support, the first gyrator and the second gyrator are integrally formed.

7. The track frame of claim 6, wherein the first gyrator comprises a first steering portion, a second steering portion, and a first connector, the first steering portion, the first connector, and the second steering portion being arranged in sequence along a third direction; the first connecting piece connects the first steering part and the second steering part;

The second gyrator comprises a third steering part, a fourth steering part and a second connecting piece, and the third steering part, the second connecting piece and the fourth steering part are sequentially arranged along the third direction; the second connecting piece is connected with the third steering part and the fourth steering part;

two ends of the first retaining strip are respectively connected with the second steering part and the fourth steering part, and two ends of the second retaining strip are respectively connected with the first steering part and the third steering part; the two ends of the second bracket are respectively connected with the first connecting piece and the second connecting piece.

8. The track frame of claim 7, wherein the first connector and the second connector are each of a resilient construction; the second support is respectively and elastically connected with the first gyrator and the second gyrator.

9. The track frame according to any one of claims 6 to 8, further comprising a third bracket provided between the first bracket and the second bracket in the second direction, the third bracket being connected to the first gyrator and the second gyrator;

A first chute and a second chute are formed between the third bracket and the second bracket, and a third chute and a fourth chute are formed between the third bracket and the first bracket.

10. A linear guide rail pair, characterized by comprising a guide rail, a sliding block, rolling bodies and a guide rail frame according to any one of claims 1 to 9, wherein the guide rail extends along the first direction, the sliding block is provided with a mounting groove, a part of the first bracket is arranged at the opening of the mounting groove, along the first direction, the first rotator abuts against one end of the sliding block, and the second rotator abuts against one end of the sliding block, which is away from the first rotator; the sliding block is sleeved on the guide rail through the guide rail frame and is connected with the guide rail in a sliding manner along the first direction through the rolling bodies.