JP4441522B2 - Linear guideway cage localization structure and cage - Google Patents

Description

  The present invention relates to a cage orientation structure for a linear guideway and its cage, and more specifically, the cage is inserted into storage grooves of end covers on both sides of a slider by convex portions at both ends of the cage. Clamping structure of linear guideway that can be easily attached and removed by the design of the structure that is easily locked and released by locking each other provided between the convex part of the end cover and the storage groove of the end cover, and its holding Related to the vessel.

  As shown in FIG. 1, a rectangular sheet-shaped cage 10 in a conventional linear guideway is provided with cutout portions 11 and 12 penetrating on both sides of the retainer 10. The slot 13 that is long and narrow is communicated. On the other sides corresponding to the elongated slot 13, through holes 14 and 15 are provided, respectively, and protrusions 101 and 102 are provided outside the short portion of the cage 10. Both the protrusions 101 and 102 are locked and fixed by end covers (not shown) fixed to both sides of the slider 20. Side surfaces of the long portion of the cage 10 are guide portions 16 and 17 formed in an arc shape, respectively. 2A, 2B, and 2C, hook portions 18 and 19 are provided at the bottom between the elongated slot 13 and the through holes 14 and 15, respectively. Both the through holes 14 and 15 of the cage 10 are inserted by means of a tool (not shown), and then the middle position on the long side of all the cages 10 is deformed by being inwardly deformed in the center direction. 18 and 19 are hooked. The distance between the rotation paths 201 and 202 corresponding to both the guide portions 16 and 17 and the slider 20 is formed to be larger than the diameter of the ball 21 so that the ball 21 that requires a linear guideway is loaded from this portion. Can do. When the loading of the balls is completed, when both hooking portions 18 and 19 are separated again, the intermediate position on the long side of the retainer 10 returns to the original position, and the corresponding rotation paths of both the guide portions 16 and 17 and the slider 20 are restored. The distance between 201 and 202 becomes smaller than the diameter of the ball 21, and the ball 21 does not fall off. However, in order to make the conventional cage 10 easy to shrink and deform, it is necessary to select a material that is easily deformed. Therefore, both guide portions 16 and 17 are easily deformed, and the ball 21 is corrected. The function could not be demonstrated. If a material that is difficult to deform is selected, the intermediate position on the long side of the cage 10 is difficult to shrink and deform, and it is difficult to mount the ball.

  In view of the problems of the conventional linear guideway, the inventor of the present application makes use of his many years of research and development experience to improve the design through repeated research and make a sample. The present invention has been devised by repeating the above and can be further improved to achieve the following object.

  That is, the present invention mainly includes an end cover housing tank in which a cage for guiding the rotation of the balls on both sides of the slider is provided on both independent elongated bodies, and both ends of the cage are located on both sides of the slider. Linear guideway that can be easily installed and removed by designing a structure that is easily inserted and removed by being inserted inside or locked between the storage groove of the cage and the end cover. The cage orientation structure and the cage are provided.

In order to achieve the object of the present invention, as an improved feature of the present invention, the linear guideway retainer is formed in a long block body, and its long side surface is formed in an arcuate guide portion at both ends thereof. Each projecting convex part is installed. Each convex part is formed with a locking block part projecting downward from the bottom surface of one side thereof, and the both locking block parts are located on the same side and face each other. The other end of the locking block portion provided on the projecting portion of the retainer is provided to maintain a gap between the holder body and the other end with vertically movable movable end. The back side of the locking block portion is formed into a push block that extends further downward. Elements such as a reflux element, an end cover, and a scraper are provided at both ends of the slider of the linear guideway in the following order, both cages are in close contact with the top surface of the slider, and both ends of each cage are both The portions that are inserted between the end covers and each end cover corresponds to the convex portion of each cage are provided with storage grooves, and the locking block portions that correspond to the respective convex portions are the corresponding engagement blocks. A locking groove for use in fitting the stop block is formed. Between the two receiving groove of each end cover, recessed inlet setting vignetting communicates both housing groove.

  According to the present invention, the cage can be manufactured by selecting a material having excellent rigidity, and due to the hard-to-deform property of the material, a greater rotational effect can be exhibited for directing the ball, and attachment and removal can be performed. It is easy to replace the ball even if it is worn out.

  In order for an examiner or a person skilled in the art to understand the present invention more specifically, it will be described in detail as a more preferred embodiment as follows (however, this embodiment is merely for the sake of convenience). Any implementation after the present invention relating to the present invention is not limited to this, and any improvement implemented by the technical features of the present invention is bound by the present invention).

  As shown in FIGS. 3 to 6, the cage 40 of the present invention is inserted between the end covers 32 and 34 at both ends of the slider 30. Further, a reflux element 33 (a reflux element between the end cover 32 and the slider 30, not shown) is provided between the relative side surfaces of the end covers 32 and 34 and the slider 30 to sandwich the end covers 32 and 34. Scrapers 31 and 35 are further provided on the other side surfaces, respectively, and after assembling the above-described elements, they can be fitted on the slide way 60 and reciprocated on the slide way 60. As shown in the enlarged view of the end cover 34 in FIG. 6, a protruding frame 345 is formed on the facing surface of the end covers 32, 34 and the retainer 40 (which will be described only by the end cover 34 hereinafter). A concave inlet 341 is formed at the bottom end of the ridge so as not to be connected. Storage grooves 342 and 342 'are formed in the frames 345 on both sides of the inlet 341, respectively, and the inlet 341 and the storage grooves 342 and 342' communicate with each other. Diagonal groove portions 343 and 343 ′ are formed inside the storage grooves 342 and 242 ′, and further recessed locking groove portions 344 and 344 ′ are formed at the bottoms near the inlets 341 of the storage grooves 342 and 342 ′. . Retainers 40 are respectively inserted between the opposing storage grooves of both end covers 32, 34, and both retainers 40 are in close contact with the inner top surface of the slider 30. Each cage 40 forms a long block body, and forms convex portions 41 whose both ends protrude. The long sides of the cages 40 corresponding to the rotation paths 301 and 302 of the slider 30 are formed in the guide portions 44 of arcuate surfaces, and the shapes of the convex portions 41 at both ends of the cages 40 are the end covers. It is installed in the same manner as the storage grooves 342 and 342 ′ of the frame 345 of 34 (32). The oblique groove portion 343 (343 ′) of the storage groove 342 (342 ′) to which each convex portion 41 corresponds forms the oblique convex portion 42, and each oblique convex portion 42 can be in close contact with the corresponding oblique groove portion 343 and stored. A portion of the groove 342 (342 ′) corresponding to the locking groove 344 (344 ′) forms a protruding locking block 43. Each locking block 43 can be formed in a hemispherical shape so that each locking block 43 is fitted into a corresponding locking groove 344 (344 ') and each retainer 40 does not fall off.

  Referring to FIG. 7 together, the ball 21 and the retainer 40 according to the present invention are assembled in the order of the scrapers 31 and 35, the end covers 32 and 34, and the slider 30, and then laterally assembled. Then, the balls 21 are put into the rotation path of the slider 30 one by one. Further, the convex portions 41 at both ends of the cages 40 are simultaneously inserted from the bottom to the top by the inlets 341 of the frames 345 of the sliders 30, and the one cage 40 is inserted into the storage groove 342 to the left side. The other cage 40 is put in the storage groove 342 ′ on the right side. The balls 21 can rotate between the rotation paths 301 and 302 corresponding to the slider 30 and the guide portion 44 of each cage 40. In addition, as shown in FIG. 8, the distance L between the rotation path 301 corresponding to the guide portion 44 of the cage 40 is formed to be smaller than the diameter D of the ball 21, so that the ball 21 does not fall off. Further, each retainer 40 is formed in a semispherical shape with its engaging portion 43, so that each convex portion 41 can easily enter or leave the storage groove 342 (342 ′), and the attachment and removal of each retainer 40 is convenient. become.

  9, 10A and B show another embodiment of the cage of the present invention. Each cage 50 forms an elongated block body, and the long side of the cage 50 corresponding to the rotation paths 301 and 302 of the slider 30 forms a guide portion 54 having an arcuate surface. Convex portions 51 projecting from both ends are formed, and a gap 56 is provided between one end of each convex portion 51 and the main body of the retainer 50, and a movable end 57 that can move up and down slightly is formed. A locking block 53 is formed in which the front side of 57 extends downward. This locking block portion 53 is wedge-shaped, and a push block 55 extending further downward is formed on the rear side of the locking block portion 53, and the other end of the convex portion 51 is formed on the oblique block portion 52. The convex portions 51 at both ends of each retainer 50 can enter the upper direction from the bottom through the inlets 341 of the frames 345 of both sliders 30, and one of the retainers 50 is accommodated in the storage groove 342 in the left direction. The other cage 50 is put in the storage groove 342 ′ in the right direction. Each oblique block portion 52 of each cage 50 can be in close contact with the corresponding oblique groove portion 343 (343 ′), and the engagement block portion 53 of each cage 50 is fitted into the corresponding engagement groove portion 344 (344 ′). As a result, each cage 50 does not fall off. Further, the ball can rotate between the rotation paths 301 and 302 corresponding to the slider 30 with the guide portion 54 of each cage 50, and the push block 55 is located outside the frame 345 of the slider 30. The push block 55 is manually brought into contact with the push block 55, and the push block 55 is moved upward by the pushing force so that the lock block portion 53 is detached from the lock groove portion 344 (344 ′) and held together. The vessel 50 can be removed. As described above, the present invention has the following advantages.

The cages 40 and 50 of the present invention can be manufactured by selecting a material having excellent rigidity, and can exhibit a larger rotational effect for directing the ball due to the property of the material not easily deformed.
The cages 40 and 50 of the present invention are easy to attach and remove, and even if the balls are worn out, the balls can be easily replaced.

  In general, the present invention is surely provided with practicality and inventive step, and even if all domestic and foreign literatures are searched, there is nothing that is the same or approximate to this. Submit the application by law because it meets the requirements of.

The top view of the conventional cage | basket. Operation | movement sketch when a ball | bowl is attached to the conventional holder | retainer. Operation | movement sketch when a ball | bowl is attached to the conventional holder | retainer. Operation | movement sketch when a ball | bowl is attached to the conventional holder | retainer. The three-dimensional exploded view of the present invention. The solid assembly figure of this invention. The operation sketch which attaches the holder | retainer of this invention to an end cover. The operation sketch which attaches the holder | retainer of this invention to an end cover. The three-dimensional external view of an end cover. The solid sketch which attaches a ball | bowl and a holder | retainer in this invention. Sectional sketch of AA of FIG. The three-dimensional view of the other Example in the holder | retainer of this invention. The operation | movement sketch which attaches the holder | retainer of the other Example in this invention to an end cover. The operation | movement sketch which attaches the holder | retainer of the other Example in this invention to an end cover.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Cage 101 Convex ridge 102 Convex ridge 11 Cut-through part 12 Cut-through part 13 Groove hole 14 Through-hole 15 Through-hole 16 Guide part 17 Guide part 18 Hooking block 19 Hooking block 20 Slider 21 Ball 30 Slider 301 Rotating path 302 Rotating path 31 Scraper 32 End Cover 33 Return Element 34 End Cover 341 Entrance 342 Storage Groove 343 Slanted Groove 344 Locking Groove 342 'Storage Groove 343' Slanted Groove 344 'Locking Groove 345 Frame 35 Scraper 40 Retainer 41 Protrusion 42 Slant Block 43 Locking Block Part 44 Guide Part 50 Cage 51 Convex Part 52 Oblique Block Part 53 Locking Block Part 54 Guide Part 55 Push Block 56 Gap 57 Movable End 60 Slide Way

Claims (4)

A cage positioning structures of the linear guideway (60), said linear guide (40 both two cage during way (60) the slider on both sides of the end Barker bar (30) (32, 34) of 50) , and the cage is formed into a long block body, and the long side surface of the cage is formed in an arcuate guide portion (44, 54) , and protrudes from both ends of the cage. (41, 51) is installed, and each projecting portion (41, 51) is formed with a locking block portion (43, 53) projecting downward from the bottom surface of one side thereof, and each end cover ( 32, 34) are provided with storage grooves (342 , 342 ') corresponding to the convex portions (41, 51 ) of each cage (40, 50), and each convex portion (342, 342') is provided with each convex portion ( 342, 342 '). recessed engagement for fitted engagement block of 41 and 51) to (43, 53) Groove (344,344 ') are formed, both receiving groove (342 and 342 of each end cover (32, 34)' recessed inlet (341) formed to the both receiving groove between) (342 , 342 ') communicating with each other, a linear guideway retainer positioning structure. Wherein the convex portions of both ends of the cage (40, 50) (41, 51) is between the locking block portion (43, 53) the holder body to the end which is provided (40, 50) A movable end (57) that is provided so as to maintain a gap and whose end moves up and down is formed, and a push that extends further downward in the convex portion on the back side of the locking block portion (43, 53). The block (55) is provided, and the push block (55) is inserted into the storage groove (342, 342 ') and is positioned outside the storage space so as to be separated from each other . Linear guideway cage positioning structure. Wherein the retainer (50) protrusion of one end of (51), a gap (56) between the holder body (50) to end the locking block portion (53) provided It provided as kept, and a movable end and this end is vertically moved (57) is formed, the push block further extending downward of the projecting portion on the inner rear side of the locking block portion (53) (55) The linear guideway retainer according to claim 1, wherein the push block (55) is inserted into the storage groove (342, 342) and positioned outside the storage groove so as to be separated from each other . Stereotactic structure. The facing surfaces of the end cover (32, 34) and the two cages (40, 50) form a protruding frame (345) and are recessed so as not to connect the bottom ends of the frame (345) . It is formed at the inlet (341), both sides of the frame of the entrance (341) (345), a 'to form an inlet (341) both receiving groove (342, 342, respectively receiving groove (342, 342)' and) communicates, 'inward oblique groove (343,343 of forming a), further inlet of the engaging groove portion recessed in the near region of each receiving groove (342, 342') each receiving groove (342, 342) '(344 344 ') , the linear guideway retainer positioning structure according to claim 1 or 2.

Images