TW483991B - Linear motion rolling guide device - Google Patents

Abstract

The invention provides a linear motion rolling guide device, which comprises a sliding track, a slide, rollers, a pair of injection-molded side frames, end covers, end seals, bottom seals and retainer. The side frames comprises a formed straight bar which is axially arranged and coextensive with a steel body of the slide and end boards which are located at ends of the formed straight bar and comprising semi-circular protrusion and a defining circulating channel, the end boards being arranged on two outside surfaces of the steel body of the slide and the steel body being axially between the end boards. The circulating channel for axially arranged rollers is formed on an outer side of the side clumps of the steel body. Two end covers that comprise semi-circular protrusions are arranged on front and rear end faces of the slide. The steel body, the side frames and the end covers comprise inter-engaging portions for forming a compact sealing design.

Description

483991 V. Description of the invention (1) The present invention relates to a linear motion bearing, in particular to a spoon containing an axially extending slide, one or more slides, arranged by multiple rows of g moving bodies. It runs on the rails on the left and right sides of the slide and the corresponding slides in the row of slides, and sliding on the slide can increase the size of one of the linear motion bearings without increasing manufacturing costs. Traditionally, the linear motion bearing includes a slide rail, a slide seat sliding on the slide rail through the rolling of multiple rows of rolling bodies, and the slide seat includes a steel body with downwardly extending two sides of blocks, as Multiple rows of axially aligned grooves in the rolling body are arranged on the inner side of the steel body side block, while multiple rows of through holes serving as rolling body return holes are axially drilled into the side block. Internally, the two end covers include rolling body rotary channels arranged on the front and rear end surfaces of the steel body and fixed with screws; the smaller the through hole, the more difficult the drilling process. In order to overcome manufacturing difficulties, some different Design, the return hole is composed of an open groove and a closed groove, such as US patent numbers: 4637739 and 5 1 02235, EP patent 0474948A1; in US patent number 51 02235, EP patent 0474948A1f, the use of mosaic The fixing method replaces the screw fixing method to combine the steel body and the end cap to simplify the complexity of manufacturing and assembly. The fixing method published in US Patent No. 5 1 02235 adopts a post-closing design, and the post-closing fasteners are arranged in the axial direction. The end of the closed straight bar of the flow channel is to combine the two front and back, including the plastic parts that are integrally formed with the end cap and the closed straight bar. 'The design space of this coupling fastener is limited by the shape of the closed straight bar, and the closed straight bar's The shape is limited by the screw holes of the fixed link, and the top and bottom are limited by the side reference plane. Especially the design space of the fitting fasteners on small linear motion bearings is limited, so it cannot provide a strong warrior.

Page 4 483991 V. Description of the invention (2) Enclose the bottom of the steel body in DE Patent No. # The two ends are covered by the upper compartment, and the two ends are covered by the frame and provided with the steel. The end cap is added with the unstable processing of the rolling body and the rolling body. The achievable size is 0.5 ~ 1.5. The above-mentioned accuracy requirements are combined with a linear motion shaft. The end view is that the more miniature the moving bearing is, the smaller the size is. Good, then the cost of the invention can be pioneered, and the main piece of the invention can be inserted into the two sides of the slide seat and the end plate located through the mold, code 19538665A1 and inserted vertically above the frame and steel. The body and end of a fitting must pass through the channel and cycle; the shape and mm; and whether the miniaturization can be quickly carried out, it is possible that it can show that the person has the essential features of reducing the size in grams, including straight two types Straight strip covers are individually recirculated by the frame, and the current closing position is minimized to improve the capacity and performance of the system.铿 于 上明. The size of the above service is: one axial end includes two from the other, the other is provided in the middle of the steel body, and the steel body is vertically embedded under the steel body, and the indirect path is about 0. The economic angle is about 0. This causes the force, especially the perfect combination For a roll that is to be combined to form a roll and the frame is axially fixed and fixed in place, the reference position is mutually fixed. The cost is about ± 0. 02 1 mm, which can reach the smaller the combination of the joints. ; Design, / frame moving body on the bottom frame of the empty frame between the return flow path, this side, its shortcomings, so increase the accuracy, resulting in plastic injection molding bandit, compared to any higher than the accuracy limit Stability, linear movement also limits the lack of description. It is a study of the shortcomings of modification and provides no need to increase the manufacturing of a linear motion bearing. A pair of injection-molded side frames are arranged with semi-circular arc-shaped straight bars that are the same length as the slide base and are assembled laterally to the outside of the steel side block by the return channel ^ 3991 x —----——__— -V. Description of the invention (3), the steel body and the car are directly connected to the inner side of the rain end plate, so at least a pair of rolling body return channels are formed and positioned outside the side block of the slide seat, and the The revolving channel formed by the contending arc depression and the semi-circular solitary protrusion on the end plate is interconnected with the end of the track groove and the return channel to form a circulation channel that provides the rolling body with cyclic operation. Another feature of this creation is that it includes an axially extending slide rail with at least one guideway on the left and right sides, multiple rows of rolling bodies, and a guideway that is arranged on the left and right sides of the slideway by the rolling bodies. , And the corresponding and arranged in the slide to run in the slide, located at the two ends of the slide seat at the front and rear ends of the seal is provided with an elastic layer 'form a plug on the elastic layer, the same size as the end cap lubricant hole, and aligned Lubricating oil hole, a small part of the edge of the plug is connected to the elastic layer. Due to its elasticity, the plug can be turned outwards. When the oil is injected, the plug will be turned out. After the injection, the plug will be plugged in and sealed for lubrication. Oil holes, thus preventing lubricant from leaking out of the oil holes. 'The technical means adopted by the present invention to achieve the above-mentioned objects and effects' is to give a preferred and feasible embodiment, which is shown in the drawings and described in detail below. First, please refer to the first and second figures. The sliding seat 2 of the invention itself includes a steel body 20, and on both sides of the base block of the steel body 20, there are side blocks 2 2 extending downwards, and the side blocks 2 2 each have an axially aligned execution channel 2 1. The ditch-like side block 22, the outer side 26, is a combined positioning surface, and has a sandwich shape, and the compound mouth is approximately horizontally outward; ^ Khan four pictures) The body injection molded two-side frame 3 0 (such as the first, It is relatively laterally connected to the two outer sides of the side block 22 of the steel body 20. This pair is the same 483991 5. The side frame 30 of the invention description (4) includes a formed straight bar aligned with the steel body 20 in the same axial direction. 3 j ′ and the laterally aligned and formed straight strip 3 1 at both ends, including the end plate 32 protruding in a half arc 36 and penetrated by the return channel 4, the side frame 30 is formed with the straight strip 31 and is laterally embedded and bonded to the steel body 20 side Outside side of the block 22, when the side frame 30, the molding straight strip 31, and the outside side 26 of the side block 22 of the steel body 20 are firmly combined laterally The vertical direction is also firmly combined at the same time. Because the outer side of the steel body 20 side block 22 is used as a bonding surface, a solid connection is provided. At least one row is axially arranged as the closed through hole of the rolling channel 3 and the turning channel 5 33 is molded in the side frame 30 inside the molding 31. The slide 2 steel body 20 is simultaneously positioned and constrained between the inner surfaces of the side frames 30 at both ends. This end surface plate mainly includes a backflow. The transverse substrate 35 penetrated by the channel 4 is a protrusion 36 extending from the inner side surface of the return channel 4 as a semicircular arc in the guide surface 6 of the rolling body turning channel 5; both ends of the cover 50 are connected to the side frame 30. The outer surfaces of the two end plates 32 (such as the first, sixth, and = figure) include a guide surface 7 other than the turning channel 5 of the rolling body 3, which is a semi-circular depression 52, and the semi-circular depression 52 and the side frame 3 〇End plate 32 semi-circular protrusion 36 forms a revolving channel 5, and since end cover 50 and side frame 30 are directly positioned with each other, this semi-circular recess 52 can precisely align with rolling body return channel 4, so it can provide rolling Body 3 circulates stably and smoothly; slide 2, side frame 3 0 and end cap 5 〇 provide The mutual positioning and combination design is designed by providing a coupling member (such as a tenon 38) on the end plate 32 of the side frame 30 and a pair of corresponding members (such as a tenon hole η) on the end cover 50. 38 is inserted into the end cap 50 mortise hole 51, and the two sides of the frame 30 are joined together in the horizontal direction. The distance between the two mortise holes 51 combines the two opposite side frames 30 with one solid. V. Description of the invention (5) The distance between 疋 and the sliding distance are matched to each other, and there can be a certain amount), the axis directly gets off the car, and the frame 30 on both sides of the solid is buckled. The village material can be the through hole 33 of the 4th, injection molding, this end plate injection mold The other end of the upper bar is this axial arrangement. The rest is about this design. Because the remaining part of the mold is not injected as a knot between the end cap and the end cap, it can avoid providing the two ends of the roller with a dense surface (such as rubber shot 7). 3, the size of the moving bearing will be fixed axially through the side, the seat 2 is combined, and the pre-pressing is based on the return semicircular surface which can be inserted by Cheng Plastic and can be designed through the long rod. Closed surface, and end cap 5 0 moving body 3 seal 70 (out of molding frame 3 0 The end is connected to a distance between the side 26 of the side block 22 and the side 26 so that the sliding seat 2 and the side frame 30 are a pair of axially arranged couplings (on the tenon 38 and the end cover 50 is on the front and rear end faces of the seat 2). ; An injection mold or powder metallurgy with attached left and right sliders is used as a rolling body. One end is connected to one end of the plate with the same length as the through hole 33. The injection mold is a positioning hole. When the injection mold is injected, the positioning hole is supported and positioned. 33 The semi-circular shape is formed by using a long rod on the outside of the slide 2 side block 2 2 This side of the reflow passage continues to use the side block 2 2 because the end face of the side frame 30 is between the slide 2 and the slide 2 And the end cover 50 phase and the carriage 2 directly and precisely aligned with the smooth rotation cycle; as shown in the eighth, ninth, and tenth), composed of), this end face is sealed 70 0 on the plate 3 2 fasteners 3 9 Close, the outside of this end cap 50 can't be combined with the lubricating nipple, so it can fit tightly with the frame 30 on both sides. For example, the fastener 3 9 is not injection-molded with screws. 3 The return channel is a long rod. When the other is closed, this other design is formed by a straight strip 31 surrounding the surface 26, and the lane 4 While reducing the need for direct positioning of the outer surface 2 6 of the slide 2 and the end surface of each other, a rigid layer 7 2 has a pair of tenon holes

V. Description of the invention (6) The injection cap is aligned with the end cap 50. Since the outer edge of the plug 7 6 can only be slipped out from the outside, the plug 7 6 will be inserted into the wet hole 5 4 It is revealed that this elastic layer 7 2 seals the lips 7 7 ′ to provide a close contact with a pair of axially arranged bottom-surface-type rigid substrates 8 1 (for example, steel molding) to enhance rigidity. The piece 8 4 will be inserted into the groove 78 under the end seal 70 (at the bottom of the slide 2 and the bottom of the knot is the same height as the slide 2 and the space between the parts. When the assembly surface seals the thickness of the 70, a section 8 2 An axially arranged guiding area is provided; in order to prevent the rolling element 3 from being positioned in a vertical direction with a pair of made of steel wire or steel bar, the retainer 90 includes a straight portion 92 embedded in the end cap 50, and The inner side of the roller 3 keeps the straight oil hole 54 and a plug 76 of the same size extends to connect to the elastic layer 72, so it can be > main into the oil hole 5 4 when the oil filling is completed. Inside to prevent lubricant from lubricating oil, including a sealing function with the same cross-sectional shape as slide rail 1; seal 80 (as shown in Figure 12) It includes a sheet) and an elastic layer 8 2 (for example, the outer edge of the rubber injection rigid substrate 8 1 folds up a rib 8 3 and a protruding piece 84 upwards, and then axially outwardly folds the square groove 55 under the cover 50, And the bottom surface is as shown in the twelfth figure), the bottom surface seal 80 is fixedly fixed, and the end cover 5 〇 and the end surface seal 7 〇 will not be reduced. Therefore, when the bottom of the slide 2 to the slide rail 丨 bottom bottom seal 80, this space The design that only reduces the end space is thus achieved, after the elastic layer, the lip is sealed to prevent dust from entering the slide 2 and the slide rail from the bottom! Drop when separated, and keep the commission at 90 (as shown in Figure 14). The thread portion 91 and a positioning portion 92 allow the groove 5 9 to pass through the fixed position, and the linear portion g 1 is a fixed body 3 Open at the same height, horizontally, and located at the edge of the rolling section 91 and the slide 21

V. Description of the invention (7) It is smaller than the diameter of the rolling body 3, because there is a let 12 rolling body 3 on the track 11, and the rolling body 3 is held in between. The slide rail holder 9 will not contact the slide rail ′. When the sliding base 2 slides on the sliding rail 1, according to the first figure, a linear rail 1, a plurality of rows of rolling bodies 3, a 3 = rails including an axially extending sliding 1 left and right sides] ^ 1 The rolling body 3 runs in the sliding track 21, and slides on the rail 2 of the line Λ of the present invention, which slides on the rail 2 in a two-phase arrangement. Combined with the slide base 2 · side and side | seat base 2,-to transverse # 31, as π θ 1 is formed in the same length with an axially aligned forming straight two = = ?? -The slide seat is axially coupled to the two ends when it is 2 ', and is connected to the two sides of the 50 frame 2 and the side frame 30 and the end cover 50 to the outside of the two ends of the side frame 32 of the side frame 30. At least one pair of rolling body retainers 90 are combined with each other by positioning members; one pair of end surface seals 70 fixedly coupled to the end surface 50 and one pair of seals including contacts on both sides of the slide rail i The bottom surface of the lip 85 is sealed 80. According to the second figure, a slide base 2 has side blocks 2 2 extending downwards on both sides of the base block 3, and has mounting surfaces 2 3, 2 4 on the top and sides to connect the parts to slide on the slide 1 There are at least one axially arranged groove on the inner side of the two side blocks 22 as the rolling body 3 and the outer side 26 of the two side blocks 22 provides a matching positioning surface required for combining with the side frame 30 and has an opening. A pair of laterally outwardly-shaped clamp shapes; a pair of side frames 30 including a formed straight strip 31 having a mating surface that is combined with the outer side surface 26 of the side block 22, will be inserted into the outer side 26 of the clamp shape of the side block 22 from the lateral direction When the mating surface is fixedly coupled to the outside of the side block 22 in the horizontal direction

Page 10 V. Description of the invention (8) ===, the side frame 3〇 is also combined and positioned on the side block 22 (that is, the slide 2) in the vertical direction. Because the outer side 26 of the side block 22 is completely used as the slide seat % Combined positioning surface required for connection with the side frame 30, so it can be more stable. "The size of this linear motion bearing can be more than the design of the combined positioning surface without the 2 2 2 2 At the same time, the completely closed through-holes 3 3 ′, which are arranged in the axial direction as the rolling-element return passage 4, are formed inside the forming bar 31. According to the second figure, at least one pair of rolling bodies 3 on each side of the slide base 2 is formed by an inner guide surface 6 and an outer guide surface 7, which are connected at the ends of the grooves / tracks 11, 21 grooves. , The other end is connected with the return flow passage to form the circulation channel required for the rolling body 3 # ring operation, so the sledge 2 can also slide on the slide rail 丨. ^ According to Figure 4A and Figure _, for exactly the same side frame 30, you ^ axially arrange the same length as the steel body 20 ^ Ϊ at both ends with the molding straight 31 integrally formed "" channel 4The completely closed through hole 33 is formed in the inside of the straight bar 3 1 and rolls ^ ^. ^. 0 ^ A r body 3 is transported inside the formed straight bar 3 1 and / or has a slide base 2 Contact, so mention, Li, $, 丨, ^ LL Wind 18 Eight f more stable booking and smaller mouth: You '^ non-column directly attached to the groove on the return channel 4, the lift channel 4 It is lubricated from time to time. This rolling roll 3 # of cycles into the return J: 0 @ 7® π ® a / 岣 storage tank 34 is designed to make into

Lmri is the position of the hook; the two ends of the plate 32 are arranged in a horizontal direction by at least the return channel 4 and the lubricant reservoir left f-at least directly from the return channel 2; μ: a semicircular arc extending from the plate 35 'substrate 35 to force 4 Protruding 36, V. Description of the invention (9) ^ a-= as a guide surface 6 within the rotary tunnel 5, and also a side wall 3 7, an axially-extending solid coupling member (^ he plant based on the base plate 3 5 An axial arrangement combined with cattle 39, preferably located directly on the tenon 38 to save space, = the fastener 39 is not affected by the design of the molded straight strip 31, so the strength, the end plate 3 2 and the axially limiting positioning slide 2 Opposite pieces corresponding to the joint (such as mortise hole 51). When the tenon 38 and mortise hole 51 are combined, the end caps 50 will move the pages towards each other to a fixed distance, which is determined by the distance. The outer side 26 of the two blocks 22 on both sides of the slider 2 fits the distance between the two sides of the frame 30 so that the two sides of the frame 30 are therefore combined with and clamped to the slider 2 —the side wall of the f straight strip 31 extending axially outward Extends and protects the joints of the revolving passages from being covered inside the side frame 30 to prevent the inside of the channel 5 and the return channel 4 Utilizing the technique, and using an injection mold with a lateral slider, the closed through-hole 33 of the back / claw channel 4, and the lubricant ^ have the same shape as the through-hole 33 and the lubricant storage groove 34: strip injection molding, This strip is designed to be integrated in one or two ±: It is designed on another injection mold forming the end plate. When the mold is closed, the end of the strip is inserted into the guide hole to support the external shape of the straight strip 31 and the end plate 32. Mountain / mouthpiece 39, side wall 37, semi-arc protrusion 36, etc.) The branches are injection molded, so they do not interfere with each other and can independently have an axial extension, such as a tenon 38. The buckle is axially bonded to the substrate 35. The end cap 5 0 can be designed to be located in it. A pair of side frames 30 arranged on the end cap 50 are arranged by the two tongue holes 51 and the spacing is designed to tighten the side walls 37 from both sides in the horizontal direction. 5 The dust and foreign matter in the return channel enter the current injection molding injection molding. The storage tank 34 is formed by a-shape and slightly elongated to form an end plate. There is a guide hole for injection, and the shape is accurately positioned (such as a tenon ' It is designed by different shots.

483991 V. Description of the invention (4) Ϊϋ Ϊϋ Another kind of design is that the axial arrangement of the through holes 33 as the return channel 4 is approximately semicircular surface surrounded by a molding straight line 31, and the through hole 33 of the round surface 43 is formed by sliding The outer side 26 of the seat 2 is formed by the large car circle ## a 知 所 开 v 成 邱 # face 4 W ^ + 3 provided by the molding straight strip 31 as a part of the outer surface 42 of the molding straight strip 31. And the molding straight strip 31 externally shows the mold-injection molding. This design does not require ° and = long strips of the same shape, which simplifies the injection: Cheng = "in addition to π seat 2 on both sides of the block 22 outer surface 26 because Part of it is to recite about one of the semi-circular surface 43: 々 丨 马田 马 开 / 成人 定 定 "two-purpose, and as a joint surface connected to the side frame 30" sometimes cannot form a clamp shape Taxi: In the dead side, the "ox (for example, protruding 41), push the slide: press down, this is the protrusion extending axially from the end plate 32 ° above the end surface broadcast 97 + 1 of the early door out of 41 Fail in the slide 2 31 Fasten A and press the slide 2 up and down to form the straight end I50: Second, because the side frame 3 ° end plate 32 is between the end of the slide 2 and the chemical dish 50 And respectively between the carriage 2 and the end cap 50 and the end cap to avoid the carriage 2 directly to provide accurate rolling elements 3 smoothly swivel cycle. ^ ㈣ Still according to the sixth and seventh figures, a pair of end caps 50 includes at least one arc depression 52, and at least a pair of opposite parts of the mountain seal + （(for example: (e.g., tenon 38) corresponds to 55 , This Shanghai Miao ^ to the square on the inner bottom of the axial arrangement of the square while the trough 50 through the side frame 30 end plate 3 ^ tenon joint, and the two connected in the horizontal direction; == on: cover 30 frames on both sides of the bridge方 a 仏 + ^ 土 』w uu is up, so ^ to each other to a certain distance, this distance is determined by the tenon

Page 13 483991 V. Description of the invention (11) The distance between holes 51 is determined by $ and f. I / i H. η, 疋 '> The distance between the outer surface 26 of the two blocks 22 on both sides of the moon seat 2 and 2: * Γ are mutually matched, so that the side frame 30 can be tightly combined outside the two sides of the slide seat 2, only _ ^ ^ ^, Λ., Π and maintain a predetermined binding force, the combination of this end cap mountain 8 and the mortise hole 51 is fastened horizontally to the side frame 30: ^ ㈣? 50 is also located through the positioning member (preferably tenon ~) located on the end plate 32 and the fitting member (preferably tenon hole 51) on the end cover, and ^ is located on the side frame 30, and a pair is located at the end The grooves 56 on both sides of the cover 50 are provided for the end cover 50 to be fitted with the side wall 37. A groove 55 extends vertically upward from the inner surface of the bottom of the end cover 50 and extends axially outward. / Provides two seals with the bottom surface 80 For the fitting of the end piece 84, the semi-circular recess 52 on the end cap 50 and the semi-circular protrusion 36 directly extending from the inner surface of the return through-hole 33 on the end plate 32 form a closed rotary channel 5 Among them, since the end cover 50 and the side frame 30 are directly positioned with each other, the semi-circular recess 52 can be more accurately aligned with the end of the through hole 33 as the return channel 4, and therefore, a more stable circulation operation of the moving body 3 is also provided; A lubricating oil hole 54 is located at the center of the end cap 50 (as shown in the eleventh figure), and a left-right symmetrical lubricating oil groove 53 connects the lubricating oil hole 54 to the rotation channel 5, so the lubricant can be injected from the lubricating oil hole 54 accordingly. And enter the circulation channel of the rolling body 3, when the end cover 50 is bonded to the end plate 32 of the side frame 30 The base plate 35 on the end plate 32 of the side frame 30 seals the lubricating oil groove 53 to form a closed channel. In order to prevent the lubricant from leaking from the joint slit of the opposite end plates ^, it is designed at the opposite joint of the end plate 32. A protruding piece 40 extending laterally and axially overlapping each other, and a protrusion 57 is designed above and below the joint to close the upper and lower openings of the joint. According to the eighth and ninth figures, the two end faces are sealed by a rigid layer Η

483991 V. Description of the invention (12) ~~~~~~ ^ For example, a steel sheet) and an elastic layer 7 2 (for example, formed from rubber). The rigid layer 71 has a pair of tenon holes 73 on both sides, and 1 = 39 is axially fitted on the end plate 32 of the side frame 30. The end face seal 70 and the end cover 50 will be axially combined with the front and rear ends of the slide 2 through this fastener, without using any luminescent =: = On the rigid layer 71 ... The positioning hole y'W on the end cap 50 is inserted into the position hole 75: Μ 7 彳 is sealed at the end face 7 〇 It can be horizontally combined and positioned on the end cap 50, two seven two ^ Includes a sealing lip 77 with the same contour as the slider 1 to provide the internal starter to prevent dust and foreign matter from entering the slider 2 from the front and rear ends of the slider 2. The pair has a pair of grooves 78 and only the rigid layer 71. Inside the mortise hole 73? The face seal 70 is axially inserted into the slide seat 2. The fastener 39 pushes the inlay fastener 39 to the outer side 39 and presses it to the side. When the fastener 39 and the elastic layer 72 spring. == ^ = Cover the remaining opening of the mortise hole 73 by the elastic force 乂 = ^ The layer 72 is here, the position of the overlying joint is separated (see the tenth figure) 2: The component 39 is unexpectedly from the alignment end cover 50 The lubricating oil holes are such that the size of a through hole 74 on the A * surface fork seal 70 is too small to be assembled; the linear motion bearing 74 flowing out is $ 2, and the bird's lubricant on the elastic layer 72 will therefore From the size of the through hole and aligned with the lubricating oil hole: f head 76, it is connected to the same layer 72 of the lubricating oil hole 54 because of the elasticity: edge; a small part and the plug 76 will be turned out when it is elastic. After the second injection, ^ can be turned outwards, and the oil is injected at 54, so the lubricant can be prevented from being blocked by the second lubricant = 62, and the lubricating oil hole is sealed: the bottom surface of the axial arrangement is sealed like the first: leak. — Including a thin rigid substrate 81 (eg steel twelfth and thirteenth drawings), and — elastic layer 82 (eg rubber

βΙ 11¾)

483991 V. Description of the invention (13) Plastic injection molding) In order to strengthen the rigidity, a rib 8 3 ′ is embedded in the slot 4 4 between the side blocks 2 2 of the axial arrangement seat 2 (see here for horizontal positioning) Each slide piece 2 on the slide base 2 is folded upward and then inserted into the bottom of the square groove 55 under the end cover 50. The other design is to insert 84 under the end seal 70. At the same time, the bottom of the slide 2 allows the tabs 84 to rise vertically at the same time. This surface seals the space between the bottom of the 70 and the height of the slide 2 to the bottom of the slide 1, especially in this space (1 ~ 2 legs ) If interference is not allowed on the shoulders of the face, when assembling a small bottom seal thickness of 80, a saving layer 8 2 provides an axially arranged dense entry into the track areas 11, 21. The rigid substrate 81 is located on the side frame 3 0 The second picture),, Fold out on the rigid base axially, and place the bottom surface in the rigid base groove 7 9 and the adjacent end cap 5 0 The combined design will 'so it will not be small enough to easily seal the bottom surface 80 The design of the space is to seal the lip 85, and the outer edge is formed straight to the bottom sheet 81, and the protrusion seals 80 pieces. When assembling the line with the concave retaining end on the bottom surface to reduce the slippage, this is prevented from being ashed upwards 31 and the sliding seal 8 0 due to the nearly two end pieces 84 that are fixed to the sliding end of the protruding piece seal 80 fixed groove 6 0, the base space of the sliding movement axis at the bottom of the cover 5 0 and the end seat 2 is only reduced, and when the bomb dust is opened from the bottom, the figure 'in order to prevent the rolling body 3 from sliding on the slide 2 and the slide 1 A retainer 90 made of steel wire or steel bar, the straight line portion 91 and the two positioning portions at both ends of the straight line portion 91. The straight-lined portion 92 is inserted into the positioning groove 59 of the end cap 50, and 91 is fixedly positioned in the vertical direction at the same height as the rolling body 3, and the horizontal moving body 3 Γ, and keeps the linear portion 91 and the edge of the track 2 of the slide 2, the opening of the elephant is smaller than the diameter of the rolling body 3, so the rolling body

Page 16 V. Description of the invention (14) In the meantime, when there is one on the slide 1 on the track 1 1 on the slide 1, the retainer 90 will not bend with the part that is horizontally and outwardly bent in the horizontal direction = part two 94 When the positioning part ^ 92 enters the positioning groove gg on the outside of the cover 50, it is accurately positioned on the end separately from the horizontal direction. The description also includes other specific performances according to the present invention. It is said that the linear motion effect and purpose of the present invention have broken through the requirements of applying for an invention patent. This application is also useful. When the application for an invention patent has been met, please review it as soon as possible and give a patent number description: 1 2 so that the slippery grip 1 makes contact with 9 3 and the horizontal part 9 3 and the holder 90 are therefore covered with 50. The disclosed narratives, explanations and examples serve as demonstration bearings, and they can indeed achieve the existence of a method using the method. There were no more important elements before the application. Block 2 taxiing Bit portion 92 is vertically outward Divided into two 94 Inserts Vertically generated. The expected problem is indeed well known and published. Patent application 1 slide rail 2 slide 22 side block 2 6 outer side 3 rolling body 32 end plate 35 base plate 38 tongue and groove 4 return channel 4 2 external surface track 11 rail 20 steel body 23 bases 27 let 30 sides 33 closed through holes 36 semicircular arc protrusions 3 9 fasteners 40 protruding pieces 43 approximately semicircle block groove frame 12 let grooves 21 tracks 2 4, 2 5 mounting surface 31 formed straight bars 3 4 lubricant storage Slot 3 7 Side wall 41 Protruding surface 4 4 Slot Page 17 483991

Page 18 V. Description of the invention (15) 5 Rotary channel 50 End cap 51 Mortise hole 52 Semi-circular recess 53 Lubricating oil groove 54 Lubricating oil hole 55 Square groove 56 Let groove 57 Protrude 58 Positioning post 59 Positioning groove 6 Inner guide Leading surface 60 Groove 7 Outer guiding surface 70 End face seal 71 Rigid layer 72 Elastic layer 73 Tenon hole 74 Through hole 75 Positioning hole 76 Plug 77 Sealing lip 78 Gap 79 Square groove 80 Bottom seal 81 Rigid substrate 82 Elastic Layer 83, rib 84, tab 85, sealing lip 90, retainer 91, linear portion 92, positioning portion 93, portion 94-portion 483991. The diagram is a simple illustration. The first diagram is a three-dimensional exploded view of the linear motion bearing design of the present invention. The second figure is a cross-sectional view transversely from the center of the carriage. The third figure is a sectional view taken along line π-π in the second figure to illustrate the structure of the rolling body cycle. The fourth diagram A is a perspective view of the side frame. The fourth diagram B is a partial enlarged view of the semi-circular arc protrusion and the return hole of the side frame. The fifth figure is a cross-sectional view from the center of the slide seat which is semi-enclosed through-hole design. The sixth figure is a perspective view of the front end of the end cap. The seventh figure is a perspective view of the rear end of the end cap. The eighth figure is a perspective view of the front end of the end face seal. The ninth figure is a perspective view of the rear end of the end face seal. The tenth figure is an enlarged partial cross-sectional view of a side frame, an end cover, and an end seal sealed with fasteners. The eleventh figure is an enlarged longitudinal section of the end face seal and the end cap to illustrate the design of the lubricating hole plug. Figure 12 is a perspective view of the bottom seal. The thirteenth pictures A and B are partial enlarged views of the axial longitudinal section when the bottom surface is sealed to the end cover and the end face is sealed to illustrate the design of the combination. The fourteenth figure is a perspective view of a retainer mounted on a carriage.

Page 19

Claims (1)

6. The scope of the patent application has at least one rail, and multiple rows of rails arranged on the left and right sides of the rail run in the rail. The slide itself includes a side block each extending downward, and a side block groove; Side frame; a pair of end caps includes a half-arc recess in the axial direction; the sliding positioning components are combined with each other; its characteristics are: a pair of injections into the side, including an axial arrangement and a slide forming two straight bars The ends include half-arc protrusions, and the molding straight strips are formed from the two lateral sides to the assembly vehicle. The return channel is formed from the inner body which is directly connected to the rain end plate. The ends of the groove and the return channel run in a circular channel. 2. If the sliding seat, the side frame and the end cover are combined with each other in the scope of the patent application, the joint on the side frame end plate, and the distance between the outer sides of the two side blocks and the two parts and the corresponding parts are closely combined, Then they are firmly combined with each other. It includes an axially extending rolling body on the left and right sides, and a steel body that is opposite to and arranged on the inner rail of the slide seat through the rolling body. The axially arranged track grooves are combined on both sides of the steel body. The two end faces of the slide seat, the side seat, the side frame and the end cover have mutually combined side frames, which are formed on the two straight slide bars of the same length, and the end plate is located on the steel body and is penetrated by the return channel. The outer side of the side block has a steel body and faces, so there is at least a pair of rolling side blocks outside, and the rotary channel formed by the protrusion on the end cover is connected with the actuator to form a linear motion bearing that provides the rolling element according to the item. The positioning component includes a corresponding part located on the end cover. With the cooperation between the corresponding parts of the steel body, when the slider, the side frame and the end cover are in the horizontal direction 3, as described in the application | Said linear motion bearings, which Page 20 483991 VI. Scope of patent application ^ ^ ............-____ The outer side of the side block of the middle slide seat is opened approximately horizontally outward It has a misshapen shape, and the straight bar has a matching shape; so when the side frame is fastened on the adulterer side, it is also positioned vertically and horizontally on the steel body. ϋYu Gang 4, the linear motion light bearing as described in the second item of the patent application scope, the joints and corresponding parts also provide positioning functions, and the end caps and slides of the joints and the corresponding parts are mutually Direct alignment == Piece 5. The linear motion bearing described in item 2 of the scope of the patent application] has a fastener extending axially on the end plate of the side frame. The fitting of the opposite parts located on the end cover is axially positioned on the end plate of the side frame, and does not require the use of screws. 6. The linear motion bearing Y described in item 5 of the scope of patent application ^ = Also through the fitting on the end face seal, and axially connect the end face 宓 ^, cover = outside, and through a pair of positioning holes located on the end face seal and the positioning post on the end cover combined with the end face seal, and also laterally positioned and combined On the end / cover: 7 丄 The linear motion bearing described in item 6 of the patent application scope, wherein the end face is sealed with a rigid substrate and an elastic layer, wherein the elastic layer covers the opening of the rigid substrate relative to the end plate fastener Semi-closed, making fasteners unprepared Detach from the fitting position on a regular basis. 8. The linear motion bearing described in item 1 of the scope of the patent application, wherein the axial arrangement as the through hole of the rolling-element return passage is formed in the formed straight bar; / 、 丨 9. The linear motion bearing as described in item 8 of the scope of patent application, wherein the axial arrangement is a through hole of the rolling element return passage, and at least one axially arranged groove is combined in the inside of the molding straight bar as a lubricant. For storage. Sixth, the scope of patent application 10, such as the eighth in the scope of patent application, a pair of thin-shaped bottom seals with an outer edge forming an axially aligned straight line and the bottom of the slider side block are positioned in the sliding direction Seat. 11. If the outer side of the side block of the slide seat in the first scope of the patent application and the forming straight bar give grooves, and form an axial alignment together, 1 2. If the one above the end plate in the jj scope of the patent application, insert the ' Press the slide down to make it straight. 1. If the side wall is extended axially in the first patent application scope, the side wall is combined with the extension of the outer side of the side molding straight bar, and the inner surface of the side frame is covered to avoid Intrusion from outside. 14. If a pair of end covers made of steel wire or steel bar are provided in the scope of the patent application, the rolling element limit slide and the slide are separated and kept inside, and are fixed and Positioning, when the slide rail is executed on the slide, the retainer will not interact with the linear motion bearing described in 15. The first lubricating hole in the patent application fan garden is located in the center of the end cover. It has a rigid sheet on the rigid sheet. The curved rib is embedded in the slot formed in the slot, and the bottom surface of the linear motion bearing described in the horizontal item is relatively matched, and at least one of the corresponding holes is a through hole corresponding to the return path of the rolling element. The linear motion bearing described in the above item has a fixed positioning combination for the groove above the end face of the slide seat. The linear motion bearing described in the above item, the end plate of the frame, axially outward continues the dust and foreign matter at the interface of the rotary channel and the return channel can be directly selected from the linear motion bearing described in the item, the retainer, It is embedded outside the slide seat in the guideway to prevent the rolling elements from being embedded in the end caps at both ends of the device to allow a slot in the channel to make the slide contact with the slide rail. The linear motion bearing described in item 1, one of which is symmetrically connected to the lubricating oil groove 6. Scope of patent application = hole and rolling: rotary channel, so the lubricating oil can enter the rolling channel of the rolling body. 'When the end cover and the side frame hole are connected to the single α oil groove, a closed lubrication channel will be formed. Human 丄 μ β 4 prevents the lubricant from leaking out of the relative π and = Ό 5 slits. At the opposite joints of the end plates, a tab that overlaps horizontally and axially is designed. In addition, it extends to close the upper and lower openings of the joint. Above and below the α again. 1 · ~ protruding 1 6. A linear motion with at least one slide, with more than ^ S axially extending left and right sides with Le rolling elements on the left and right sides of the slide rail and a rolling element in the row Running in the track, located on the slide =, and corresponding and arranged in the slide seat, the two ends of the rear end are sealed on the elastic layer and are provided with an elastic acoustically aligned lubrication head, which is the same as the lubricating hole of the end cap. size,! Because of its elasticity, a small part of the edge of the plug can be connected to the elastic layer. After filling, the plug will be turned in and turned out, and the plug will be turned out from the lubricant hole when filling. '' Closing the lubricating oil hole, so lubricant can be prevented Page 23