Cages, slides and linear guides

Abstract

The present application relates to the field of linear motion equipment, and specifically provides a retainer, a sliding body and a linear guide rail, wherein the retainer includes a retaining chain and a plurality of spacers. The retaining chain is provided with a plurality of adjustment slots, and the plurality of adjustment slots are arranged at intervals along the length direction of the retaining chain. Each spacer has a connecting portion, and the connecting portion cooperates with the adjustment slot so that a plurality of spacers can be arranged along the length direction of the retaining chain. The connecting portion can be located in different adjustment slots to adjust the position of the spacer, and the spacer is used to assemble rollers. By having the connecting portion located in different adjustment slots, the position of the roller and the overall length of all rollers can be adjusted, so that when the roller size remains unchanged and the length of all rollers remains unchanged, the number of overall rollers can be controlled by changing the interval between two adjacent rollers.

Description

Technical Field

[0001] The present application relates to the field of linear motion equipment, and in particular to a retainer, a sliding body and a linear guide rail. Background Art

[0002] A linear guide in which a slider contacts a guide rail through rollers usually has a retainer in the slider. Multiple rollers can be kept apart through the retainer to reduce friction between the rollers and collision between adjacent rollers.

[0003] However, the current retainers are usually matched with sliders and rollers of corresponding models and sizes, and the size of the retainers cannot be adjusted to match sliders and rollers of different models. Summary of the invention

[0004] In view of this, it is necessary to provide a retainer, a sliding body and a linear guide rail, wherein the retainer can be applied to rollers and sliders of different models.

[0005] An embodiment of the present application provides a retainer, which is applied to a slider, and the retainer includes a retaining chain and a plurality of spacers. The retaining chain is provided with a plurality of adjustment slots, and the plurality of adjustment slots are arranged at intervals along the length direction of the retaining chain. Each of the spacers has a connecting portion, and the connecting portion cooperates with the adjustment slot so that the plurality of spacers can be arranged along the length direction of the retaining chain. The connecting portion can be located in different adjustment slots to adjust the position of the spacers, and the spacers are used to assemble rollers.

[0006] In the retainer of the above-mentioned embodiment, the position of the roller and the overall length of all the rollers can be adjusted by positioning the connecting parts in different adjustment grooves, so that the number of rollers can be controlled by changing the interval between two adjacent rollers when the roller size and the length of all the rollers remain unchanged. When the sliding body used is required to be light in weight, the number of rollers can be reduced. When the sliding body is required to have a high bearing capacity, the bearing capacity can be improved by increasing the number of rollers to increase the contact area with the slide rail. When the rolling channel lengths of different sliders are different, the overall length of all the rollers can be adjusted accordingly to adapt to the length of the rolling channel of the slider, so that the retainer can be suitable for sliders of different models.

[0007] In at least one embodiment, each of the spacers includes a first spacer portion and a second spacer portion, and the first spacer portion and the second spacer portion of the same spacer are arranged opposite to each other and connected to each other for fitting the roller, and the connecting portion includes a first connecting protrusion and a second connecting protrusion, the first connecting protrusion is arranged on the first spacer portion, and the second connecting protrusion is arranged on the second spacer portion, and both the first connecting protrusion and the second connecting protrusion cooperate with the adjustment groove.

[0008] In the retainer of the above embodiment, the connecting portion includes a first connecting protrusion and a second connecting protrusion. The first connecting protrusion and the second connecting protrusion are both matched with the adjustment groove, the first connecting protrusion is arranged in the first spacer, and the second connecting protrusion is arranged in the second spacer. The first connecting protrusion and the second connecting protrusion are respectively located in different adjustment grooves to control the relative distance between the first spacer and the second spacer to adapt to rollers of different sizes. When the diameter of the roller is large, the relative distance between the first spacer and the second spacer can be increased so that the first spacer and the second spacer can be adapted to the roller with a larger diameter. Correspondingly, when the diameter of the roller is small, the relative distance between the first spacer and the second spacer can be reduced.

[0009] In at least one embodiment, the first spacer is provided with a first plug-in block, and the second spacer is provided with a first groove, and the first plug-in block is plug-fitted into the first groove to connect the first spacer and the second spacer relative to each other.

[0010] In the retainer of the above embodiment, the first plug block is plugged into the first groove to enable the first spacer and the second spacer to be preliminarily connected. Therefore, when the position of one of the first spacers is adjusted, the position of the second spacer is also adjusted accordingly, and the position adjustment of the spacer is more convenient.

[0011] In at least one embodiment, the first insert block is inserted into the first groove along the length direction of the retaining chain.

[0012] In the retainer of the above embodiment, when the relative positions of the first spacing portion and the second spacing portion are changed, the first inserting block is still located in the first groove.

[0013] In at least one embodiment, the first spacer is provided with a second plug-in block, the first plug-in block and the second plug-in block are located on opposite sides of the first spacer, the second spacer is provided with a second groove, the first groove and the second groove are formed on opposite sides of the second spacer, and the second plug-in block cooperates with the second groove to connect the first spacer of one spacer with the second spacer of another spacer.

[0014] In the retainer of the above embodiment, the second plug is adapted to the second groove so that the first spacer portion of one spacer can be connected to the second spacer portion of the other end spacer, so that multiple spacers can be connected to each other. This can not only increase the overall stability of the retainer, but also reduce the situation where adjacent spacers of the retainer are detached during installation. If only the position of a single spacer is to be adjusted, all spacers can be taken out at the same time, and the distance between two adjacent spacers can be adjusted accordingly, and then all spacers can be installed on the retaining chain at the same time, making the installation and adjustment of the spacers simpler and more convenient.

[0015] In at least one embodiment, the retaining chain includes two chain belts that are spaced apart and connected, each of the chain belts includes a belt-shaped portion and a covering portion, a plurality of adjustment grooves are formed on the belt-shaped portion, and the covering portion is arranged on the belt-shaped portion to prevent the connection portion from separating from the adjustment groove.

[0016] In the retainer of the above embodiment, the covering portion is arranged on the strip portion to prevent the first connecting protrusion and the second connecting protrusion from being separated from the adjusting groove.

[0017] In at least one embodiment, the retaining chain further includes a limiting portion, one end of which is connected to the chain belt, and the other end of which is connected to another chain belt.

[0018] In the retainer of the above embodiment, the spacing distance between the two strip-shaped portions can be limited by the provision of the limiting portion.

[0019] In at least one embodiment, a first positioning portion is provided on a side of the first spacer close to the second spacer, and a second positioning portion is provided on a side of the second spacer close to the first spacer, and the first positioning portion and the second positioning portion are used to cooperate to clamp and position the roller.

[0020] In the retainer of the above embodiment, the contact area between the roller and the spacer can be reduced, thereby reducing the friction force on the roller. The first positioning portion and the second positioning portion are in linear contact with the roller, which can also increase the effect of the first positioning portion and the second positioning portion clamping and positioning the roller.

[0021] An embodiment of the present application further provides a sliding body, including a slider and a roller, wherein the slider is provided with a rolling circuit, and the sliding body further includes a retainer, wherein the roller is arranged on the spacer of the retainer, and the retainer is arranged in the rolling circuit.

[0022] An embodiment of the present application further provides a linear guide rail, comprising a slide rail, wherein the linear guide rail further comprises a sliding body, and the sliding body is in sliding cooperation with the slide rail.

[0023] The retainer of the present application is arranged in different adjustment grooves by means of the first connecting protrusion and the second connecting protrusion to adjust the relative distance between the first spacer and the second spacer, so that rollers of different sizes can be assembled. The relative distance between the spacers is adjusted to adjust the overall length of the retainer, so as to adapt to different types of sliders, and the number of rollers can be controlled by adjusting the spacing of the spacers. The arrangement of the first positioning part and the second positioning part can not only reduce the friction of the roller, but also keep the clamping stability of the roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1It is a three-dimensional structural diagram of a retainer and a roller in an embodiment of the present application.

[0025] Figure 2 yes Figure 1 3D structural diagram of the middle retainer.

[0026] Figures 3 to 6 1 is a top view of a portion of a retainer in different embodiments.

[0027] Figure 7 yes Figure 6 A three-dimensional structural diagram of the middle partition and the connecting part.

[0028] Figure 8 a and b are cross-sectional views for illustrating spacers in different embodiments.

[0029] Fig. 9 a, b and c are side views for illustrating the first spacer in different embodiments.

[0030] Fig.10 yes Figure 1 Magnified view of the X in the middle.

[0031] Fig.11 This is a three-dimensional structural diagram of a linear guide.

[0032] Main component symbols

[0033] Retainer 100

[0034] Spacer 10

[0035] The first partition 11

[0036] The first plug block 111

[0037] The second plug-in block 112

[0038] The second partition 12

[0039] The first groove 121

[0040] The second groove 122

[0041] Connecting part 20

[0042] The first connecting protrusion 21

[0043] The second connecting protrusion 22

[0044] The first positioning portion 30

[0045] The second positioning portion 40

[0046] Keep Chain 50

[0047] Chain 51

[0048] Strip 52

[0049] Adjustment slot 521

[0050] Covering part 53

[0051] Limiting portion 54

[0052] Roller 200

[0053] Sliding body 300

[0054] Slider 301

[0055] Slide 400

[0056] Linear Guide 001 DETAILED DESCRIPTION

[0057] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.

[0058] It should be noted that when a component is considered to be "connected" to another component, it may be directly connected to the other component or there may be a central component at the same time. When a component is considered to be "located on" another component, it may be directly located on the other component or there may be a central component at the same time. The terms "top", "bottom", "upper", "lower", "left", "right", "front", "back", and similar expressions used herein are for illustrative purposes only.

[0059] When two elements (planes, lines) are arranged in parallel, it should be understood that the relationship between the two elements includes parallel and approximately parallel. Approximately parallel should be understood as a certain angle between the two elements, which is greater than 0° and less than or equal to 10°.

[0060] When two elements (planes, lines) are arranged vertically, it should be understood that the relationship between the two elements includes vertical and approximately vertical. The approximately vertical should be understood as the angle between the two elements being greater than or equal to 80° and less than 90°.

[0061] When a parameter is greater than, equal to, or less than a certain endpoint value, it should be understood that the endpoint value is allowed to have a tolerance of ±10%. For example, if the ratio of A to B is greater than 10, it should be understood to include the case where the ratio of A to B is greater than 9, and also include the case where the ratio of A to B is greater than 11.

[0062] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0063] Some embodiments of the present application provide a retainer, applied to a slider, the retainer comprising a retaining chain and a plurality of spacers. The retaining chain is provided with a plurality of adjustment slots, and the plurality of adjustment slots are arranged at intervals along the length direction of the retaining chain. Each of the spacers has a connecting portion, the connecting portion cooperates with the adjustment slot, so that the plurality of spacers can be arranged along the length direction of the retaining chain, the connecting portion can be located in different adjustment slots to adjust the position of the spacers, and the spacers are used to assemble rollers.

[0064] In the retainer of the above-mentioned embodiment, the position of the roller and the overall length of all the rollers can be adjusted by positioning the connecting parts in different adjustment grooves, so that the number of rollers can be controlled by changing the interval between two adjacent rollers when the roller size and the length of all the rollers remain unchanged. When the sliding body used is required to be light in weight, the number of rollers can be reduced. When the sliding body is required to have a high bearing capacity, the bearing capacity can be improved by increasing the number of rollers to increase the contact area with the slide rail. When the rolling channel lengths of different sliders are different, the overall length of all the rollers can be adjusted accordingly to adapt to the length of the rolling channel of the slider, so that the retainer can be suitable for sliders of different models.

[0065] Some embodiments of the present application will be described below in conjunction with the accompanying drawings. In the absence of conflict, the following embodiments and features in the embodiments may be combined with each other.

[0066] See also Figure 1 , Figure 2 and Figure 3 The embodiment of the present application provides a retainer 100, which can be adapted to different sliders 301 (such as Fig.11 as shown) and different rollers 200.

[0067] The retainer 100 includes a retaining chain 50 and a plurality of spacers 10, wherein the plurality of spacers 10 are arranged at intervals along the length direction of the retaining chain 50. The retaining chain 50 is provided with a plurality of adjustment slots 521, wherein the plurality of adjustment slots 521 are arranged at intervals along the length direction of the retaining chain 50, and the distance between two adjacent adjustment slots 521 is equal. The plurality of spacers 10 are connected to the retaining chain 50, and one roller 200 is arranged in one spacer 10, and the spacer 10 is provided with a connecting portion 20, and the connecting portion 20 cooperates with the adjusting slot 521 so that the plurality of spacers 10 can be connected to the retaining chain 50. By locating the connecting portion 20 in different adjusting slots 521, the position of the spacer 10 relative to the retaining chain 50 can be adjusted, and then the position of the roller 200 can be adjusted and the overall length of all rollers 200 can be adjusted.

[0068] See also Figure 3 , Figure 4 and Figure 5 , by locating the connecting part 20 in different adjustment slots 521, the position of the roller 200 can be adjusted, and by controlling the number of connecting parts 20 provided on the retaining chain 50 and the position of the connecting part 20 in the adjustment slot 521, the overall length of the retainer 100 can be controlled, thereby controlling the overall length of all rollers 200. When the diameter of the roller 200 remains unchanged and the length of all rollers 200 remains unchanged, the number of the overall rollers 200 can be controlled by changing the number of connecting parts 20 and the distance between two connecting parts 20. When the sliding body 300 (such as Fig.11 When the bearing capacity is high, the number of rollers 200 can be increased to increase the contact with the slide rail 400 (as shown in FIG. Fig.11 When the rolling channels of different sliders 301 have different lengths, the overall length of all rollers 200 can be adjusted accordingly to match the length of the rolling channels of the sliders 301, so that the retainer 100 can be suitable for different types of sliding bodies 300.

[0069] The spacer 10 includes a first spacer portion 11 and a second spacer portion 12. The first spacer portion 11 and the second spacer portion 12 of the same spacer 10 are arranged opposite to each other so that the roller 200 can be assembled between the first spacer portion 11 and the second spacer portion 12. The shape of one side of the first spacer portion 11 is adapted to the roller 200, and the shape of one side of the second spacer portion 12 is adapted to the roller 200. The side of the first spacer portion 11 adapted to the roller 200 is opposite to the side of the second spacer portion 12 adapted to the roller 200.

[0070] The connecting portion 20 includes a first connecting protrusion 21 and a second connecting protrusion 22. Both the first connecting protrusion 21 and the second connecting protrusion 22 are matched with the adjustment groove 521. The first connecting protrusion 21 is arranged in the first spacer 11, and the second connecting protrusion 22 is arranged in the second spacer 12. The first connecting protrusion 21 and the second connecting protrusion 22 are respectively located in different adjustment grooves 521 to control the relative distance between the first spacer 11 and the second spacer 12 to adapt to rollers 200 of different sizes. When the diameter of the roller 200 is large, the relative distance between the first spacer 11 and the second spacer 12 can be increased so that the first spacer 11 and the second spacer 12 can be adapted to the roller 200 with a larger diameter. Correspondingly, when the diameter of the roller 200 is small, the relative distance between the first spacer 11 and the second spacer 12 can be reduced.

[0071] In some embodiments, the number of the first connecting protrusions 21 and the second connecting protrusions 22 are both two, the two first connecting protrusions 21 are arranged on opposite sides of the first spacer 11, and the second connecting protrusions 22 are arranged on opposite sides of the second spacer 12, so that the first connecting protrusions 21 and the second connecting protrusions 22 can be inserted into the corresponding adjustment grooves 521 located on opposite sides of the spacer 10.

[0072] In other embodiments, the number of the first connection protrusions 21 and the number of the second connection protrusions 22 are both four, and the four first connection portions 20 are arranged in pairs on both sides of the two ends of the first spacer 11. The four second connection protrusions 22 are arranged in pairs on opposite sides of the second spacer 12. The two first connection protrusions 21 on the same side and the two second connection protrusions 22 on the same side are inserted into the corresponding adjustment grooves 521, which can increase the stability of the first spacer 11 and the second spacer 12 in the retention chain 50.

[0073] See also Figure 6 , Figure 7 and Figure 8 , Figure 8 a and b in the figure are used to show the situation that the first spacer 11 and the second spacer 12 clamp rollers 200 of different diameters in different embodiments. Optionally, in some embodiments, the first spacer 11 of a spacer 10 is provided with a first positioning portion 30 on the side close to the second spacer 12, and the second spacer 12 is provided with a second positioning portion 40 on the side close to the first spacer 11, and the first positioning portion 30 and the second positioning portion 40 can cooperate with each other to clamp and position the roller 200. Optionally, the first positioning portion 30 and the second positioning portion 40 are arc-shaped to facilitate the adaptation of the roller 200.

[0074] Optionally, the first positioning portion 30 and the second positioning portion 40 are two convex portions of the same shape, and the convex portion and the roller 200 are in approximately line contact. Compared with surface contact, line contact can reduce the contact area between the roller 200 and the spacer 10, thereby reducing the friction force on the roller 200, so that the sliding body 300 can slide along the slide rail 400 more smoothly and comfortably. Furthermore, since the diameter of the roller 200 in the spacer 10 will change according to actual needs, when the diameter of the roller 200 changes, the curvature of the roller 200 will also change within the same range. Therefore, if the convex portion and the roller 200 are in surface contact, it will affect the stability of the convex portion clamping and positioning the roller 200. For example, the convex portion can be exactly adapted to the roller 200 of the first diameter, so that the convex portion fits the roller 200. When the roller 200 of the first diameter is replaced by the roller 200 of the second diameter, the convex portion cannot fit with the roller 200 of the second diameter because the radian of the roller 200 of the first diameter is different from the radian of the roller 200 of the second diameter in the same range. It may even cause the two convex portions to be unable to effectively position the roller 200. Therefore, the first positioning portion 30 and the second positioning portion 40 are in line contact with the roller 200 respectively, and the stability of the first positioning portion 30 and the second positioning portion 40 clamping the positioning roller 200 can also be increased. The above positioning roller 200 should be understood as positioning the position of the roller 200 relative to the retainer 100, and the roller 200 can roll around its own spherical center relative to the retainer 100.

[0075] See also Fig. 9 , Fig. 9 The a, b, and c in the figure are used to show the different shapes of the first positioning portion 30 in different embodiments. Optionally, the shapes of the first positioning portion 30 and the second positioning portion 40 are circular. It is understood that the shapes of the first positioning portion 30 and the second positioning portion 40 are not limited thereto, and may also be other shapes, such as triangle, pentagon, and hexagon. The shapes of the first positioning portion 30 and the second positioning portion 40 are also not limited to being the same, and may also be different, for example, the first positioning portion 30 is circular, and the second positioning portion 40 is pentagonal.

[0076] See also Figure 7 Optionally, in some embodiments, the first spacer 11 is provided with a first plug 111, and the first plug 111 is located on a side of the first spacer 11 close to the second spacer 12. The second spacer 12 is provided with a first groove 121, and the first groove 121 is located on a side of the second spacer 12 close to the first spacer 11. The first plug 111 is plugged into and matched with the first groove 121, so that the first spacer 11 and the second spacer 12 can be connected, so that when the position of one of the first spacers 11 is adjusted, the second spacer 12 corresponding to the first spacer 11 can move with the first spacer 11, so that the position of the second spacer 12 can be adjusted, and the position of the spacer 10 is more convenient to adjust.

[0077] Optionally, the first insert block 111 is inserted into the first groove 121 along the length direction of the holding chain 50 , so that when the relative positions of the first spacer 11 and the second spacer 12 are changed, the first insert block 111 is still located in the first groove 121 .

[0078] Optionally, the size of the first inserting block 111 may be the same as that of the first groove 121 , or slightly larger than the first groove 121 , so that the first inserting block 111 can be stably inserted into the first groove 121 .

[0079] Optionally, in order to facilitate the first inserting block 111 to extend into the first groove 121 , the material of the first inserting block 111 is rubber, so that the first inserting block 111 can be stably inserted into the first groove 121 .

[0080] Optionally, in some embodiments, the first spacer 11 is provided with a second plug 112, and the second plug 112 and the first plug 111 are located on opposite sides of the first spacer 11. The second spacer 12 is provided with a second groove 122, and the second groove 122 and the first groove 121 are located on opposite sides of the second spacer 12. The second plug 112 is adapted to the second groove 122 so that the first spacer 11 of one spacer 10 can be connected with the second spacer 12 of the other end spacer 10, so that multiple spacers 10 can be connected to each other. It can not only increase the overall stability of the retainer 100, but also reduce the situation that the adjacent spacers 10 of the retainer 100 are separated during the installation process. If only the position of a single spacer 10 is adjusted, all spacers 10 can be taken out at the same time, and the distance between the two adjacent spacers 10 is adjusted accordingly, and then all spacers 10 are installed on the retaining chain 50 at the same time, so that the installation and adjustment of the spacers 10 are simpler and more convenient.

[0081] Optionally, the second plug block 112 is inserted into the second groove 122 along the length direction of the retaining chain 50 so that the first spacer portion 11 of one spacer 10 is connected to the second spacer portion 12 of another spacer 10, and after the first spacer portion 11 of one spacer 10 and the second spacer portion 12 of another spacer 10 move relative to each other, the two can still remain connected.

[0082] Optionally, the size of the second inserting block 112 may be the same as that of the second groove 122 , or slightly larger than the second groove 122 , so that the second inserting block 112 can be stably inserted into the second groove 122 .

[0083] It can be understood that since multiple spacers 10 are arranged along the length of the retaining chain 50, the first spacer 11 and the second spacer 12 are alternately arranged. Therefore, when the spacer at one end of the retaining chain 50 is the first spacer 11, the other end must be the second spacer 12. Therefore, the second plug 112 of the first spacer 11 at one end of the retaining chain 50 can be inserted into the second groove 122 of the second spacer 12 at the other end of the retaining chain 50 to connect the retaining chain 50 in the first place.

[0084] Through the cooperation of the first inserting block 111 , the first groove 121 , the second inserting block 112 and the second groove 122 , a plurality of blocking members can be connected, so that the blocking members can be disposed on the retaining chain 50 .

[0085] See also Fig.10 The holding chain 50 includes two chain belts 51, which are parallel to each other and arranged at intervals, and a plurality of spacers 10 are arranged between the two chain belts 51. Each chain belt 51 includes a strip portion 52 and a cover portion 53, and a plurality of adjustment grooves 521 are formed in the strip portion 52. The adjustment grooves 521 penetrate the side of the strip portion 52 close to the spacer 10, so that the first connection protrusion 21 and the second connection protrusion 22 can be inserted into the adjustment grooves 521, and will not interfere with the connection between the first connection protrusion 21 and the first spacer 11, and the connection between the second connection protrusion 22 and the second spacer 12. The adjustment grooves 521 also penetrate the side of the strip portion 52 adjacent to the spacer 10, so that the first connection protrusion 21 and the second connection protrusion 22 can be inserted into the adjustment grooves 521 from above. The cover portion 53 is arranged on the strip portion 52, and is used to prevent the first connection protrusion 21 and the second connection protrusion 22 from detaching from the adjustment grooves 521.

[0086] Optionally, in some embodiments, the first connecting protrusion 21 and the second connecting protrusion 22 are rectangular in shape, and the adjusting groove 521 is also rectangular in shape.

[0087] In other embodiments, the first connecting protrusion 21 and the second connecting protrusion 22 are T-shaped, and the shape of the adjustment groove 521 is also T-shaped. The first connecting protrusion 21 and the second connecting protrusion 22 are arranged in the adjustment groove 521, and can limit the distance between the two strip-shaped portions 52 to prevent the first connecting protrusion 21 and the second connecting protrusion 22 from directly detaching from the shape of the adjustment groove 521.

[0088] Optionally, in some embodiments, the chain belt 51 further includes a limiting portion 54, one end of the limiting portion 54 is connected to one strip portion 52, and the other end is connected to the other strip portion 52, so as to limit the spacing distance between the two strip portions 52. Optionally, there are two limiting portions 54, which are arranged at opposite ends of the strip portion 52, so as to further stably limit the spacing distance between the strip portions 52.

[0089] See also Fig.11 The embodiment of the present application also provides a linear guide rail 001, which includes a slide rail 400 and a sliding body 300. The sliding body 300 slidably cooperates with the slide rail 400 so that the sliding body 300 can slide back and forth along the length direction of the slide rail 400.

[0090] The sliding body 300 includes a slider 301, a retainer 100 and a plurality of rollers 200. The plurality of rollers 200 are disposed in the retainer 100, and the retainer 100 is disposed in the slider 301. The slider 301 is slidably matched with the slide rail 400, and the rollers 200 are in contact with the slide rail 400.

[0091] In summary, a retainer 100 and a linear guide rail 001 are provided in the embodiment of the present application, and the first connecting protrusion 21 and the second connecting protrusion 22 are arranged in different adjustment grooves 521 to adjust the relative distance between the first spacer 11 and the second spacer 12 arranged opposite to each other, so that rollers 200 of different sizes can be assembled. The relative distance between the spacers 10 is adjusted to adjust the overall length of the retainer 100, so as to adapt to different types of sliders 301, and the spacing between the spacers 10 is adjusted to control the number of rollers 200. By setting the first positioning portion 30 and the second positioning portion 40, not only the friction of the roller 200 can be reduced, but also the clamping stability of the roller 200 can be maintained.

[0092] In addition, those skilled in the art should recognize that the above embodiments are only used to illustrate the present application, and are not intended to limit the present application. As long as they are within the spirit of the present application, appropriate changes and modifications to the above embodiments are within the scope of the present application.

Claims

1. A retainer, applied to a slider, characterized in that: The retainer comprises: A holding chain is provided with a plurality of adjustment slots, wherein the plurality of adjustment slots are arranged at intervals along the length direction of the holding chain; A plurality of spacers, each of which has a connecting portion, the connecting portion cooperates with the adjusting groove so that the plurality of spacers can be arranged along the length direction of the retaining chain, the connecting portion can be located in different adjusting grooves to adjust the position of the spacer, and the spacer is used to assemble the roller; Each of the spacers includes a first spacer portion and a second spacer portion. The first spacer portion and the second spacer portion of the same spacer are arranged opposite to each other and connected to each other for fitting the roller. The connecting portion includes a first connecting protrusion and a second connecting protrusion. The first connecting protrusion is arranged on the first spacer portion, and the second connecting protrusion is arranged on the second spacer portion. Both the first connecting protrusion and the second connecting protrusion cooperate with the adjustment groove to control the relative distance between the first spacer portion and the second spacer portion.

2. The retainer according to claim 1, characterized in that The first partition is provided with a first plug block, the second partition is provided with a first groove, and the first plug block is plugged into and matched with the first groove to connect the first partition and the second partition opposite to each other.

3. The retainer according to claim 2, characterized in that: The first insert block is inserted into the first groove along the length direction of the holding chain.

4. The retainer according to claim 2, characterized in that: The first spacer is provided with a second plug-in block, the first plug-in block and the second plug-in block are located on opposite sides of the first spacer, the second spacer is provided with a second groove, the first groove and the second groove are formed on opposite sides of the second spacer, and the second plug-in block cooperates with the second groove to connect the first spacer of one spacer with the second spacer of another spacer.

5. The retainer according to claim 1, characterized in that: The retaining chain includes two chain belts that are spaced apart and connected, each of the chain belts includes a belt-shaped portion and a covering portion, a plurality of adjustment grooves are formed on the belt-shaped portion, and the covering portion is arranged on the belt-shaped portion to prevent the connection portion from being separated from the adjustment groove.

6. The retainer according to claim 5, characterized in that The retaining chain further comprises a limiting portion, one end of which is connected to the chain belt, and the other end of which is connected to another chain belt.

7. The retainer according to claim 1, characterized in that: A first positioning portion is provided on one side of the first spacing portion close to the second spacing portion, and a second positioning portion is provided on one side of the second spacing portion close to the first spacing portion. The first positioning portion and the second positioning portion are used to cooperate to clamp and position the roller.

8. A sliding body, comprising a slider and a roller, wherein the slider is provided with a rolling circuit, characterized in that: The sliding body further includes a retainer according to any one of claims 1 to 7, the rollers are arranged on the spacers of the retainer, and the retainer is arranged in the rolling circuit.

9. A linear guide rail, comprising a slide rail, characterized in that: The linear guide rail further comprises a sliding body as described in claim 8, wherein the sliding body is slidably matched with the slide rail.

Images