Linear guide rail with dustproof structure

Abstract

The invention relates to the technical field of linear guide rails, in particular to a linear guide rail with a dustproof structure, which comprises a sliding rail, a sliding structure is arranged on the sliding rail, a cleaning structure is arranged on the inner side of the sliding structure, the sliding structure is connected with a driving structure, a connecting structure is arranged at the end part of the sliding rail, and a lifting structure is arranged on the side surface of the sliding rail. A supporting structure is arranged on the bottom side of the sliding rail. The guide rail can have a certain dustproof effect through the sliding structure, meanwhile, accurate sliding of the sliding block is guaranteed, the position of the sliding block can be fixed through the connecting structure, the sliding rail can be cleaned conveniently, the sliding wheel can be controlled to rotate independently through the driving structure, and then the sliding wheel can be cleaned conveniently; impurities attached to the side face of the pulley are cleaned through the cleaning structure, the sliding block can be lifted up through the lifting structure in the pulley cleaning process, and the overall height of the sliding rail can be conveniently adjusted through the supporting structure.

Description

Technical Field

[0001] The invention relates to the technical field of linear guide rails, in particular to a linear guide rail with a dustproof structure. Background Art

[0002] Linear guides are used for high-precision or high-speed linear reciprocating motion, and can bear a certain torque, and can achieve high-precision linear motion under high load. The function of linear guide motion is to support and guide moving parts to make reciprocating linear motion in a given direction. Depending on the nature of friction, linear motion guides can be divided into sliding friction guides, rolling friction guides, elastic friction guides, fluid friction guides and other types.

[0003] However, after long-term use, dust and oil will usually accumulate on the surface of the existing linear guide rails, which will affect the smoothness of the sliding of the slider on the guide rail. At the same time, since the slider usually slides between the guide rails with balls or rollers, the dust, oil and other impurities on the surface of the balls or rollers will stick more firmly, making it inconvenient to clean. Summary of the invention

[0004] In view of the problems in the prior art, the present invention provides a linear guide rail with a dustproof structure.

[0005] The technical solution adopted by the present invention to solve its technical problem is: a linear guide rail with a dustproof structure, including a slide rail, a sliding structure is provided on the slide rail, a cleaning structure is provided on the inner side of the sliding structure, the sliding structure is connected to a driving structure, a connecting structure is provided at the end of the slide rail, a lifting structure is provided on the side of the slide rail, and a supporting structure is provided on the bottom side of the slide rail.

[0006] Specifically, the sliding structure includes a slider, a slider is provided on the slide rail, the top side of the slide rail is a diamond-shaped structure, both sides of the slider are rotatably connected to pulleys, the pulleys are obliquely arranged, the ends of the pulleys are rotatably connected to fixed sleeves, the fixed sleeves are fixedly connected to the inner side of the slider, the side of the pulley is annularly provided with multiple balls, and the side of the pulley is slidably connected to the fixed sleeves through the balls.

[0007] Specifically, the connecting structure includes a fixed seat, the end of the slide rail is fixedly connected to the fixed seat, the fixed seat is rotatably connected to a connecting rotary block, the connecting rotary block is in a "凵"-shaped structure, a slot is provided on the inner side of the connecting rotary block, a locking block is slidably connected to the side of the slider, a first spring is fixedly connected between the locking block and the slider, and the end of the locking block is locked with the connecting rotary block through the slot.

[0008] Specifically, the two ends of the connecting rotary block are respectively slidably connected with a pushing rod, a second spring is fixedly connected between the pushing rod and the connecting rotary block, the end of the pushing rod is an arc structure, the middle part of the connecting rotary block is rotatably connected with a release rod, the side of the release rod is provided with an arc-shaped notch, the arc end of the pushing rod contacts the release rod through the notch on the side of the release rod, and the other end of the pushing rod is provided on the side of the locking block.

[0009] Specifically, the driving structure includes a center slide rod, the middle part of the slider is slidably connected to the center slide rod, the center slide rod is perpendicular to the side of the fixed seat, an eighth spring is fixedly connected between the side of the center slide rod and the slider, the pulley is vertically arranged on the adjacent side of the center slide rod, the end of the pulley is rotatably connected to a worm gear sleeve, a connecting groove is provided on the inner side of the worm gear sleeve, the end of the pulley is slidably connected to a connecting column, a third spring is fixedly connected between the connecting column and the pulley, and both side ends of the connecting column are slidably connected to the worm gear sleeve through the connecting groove.

[0010] Specifically, a positioning groove is provided on the side of the center slide bar, the end of the connecting column is a hemispherical structure, the spherical end of the connecting column abuts against the side of the center slide bar, the raised part of the middle side of the connecting rotating block abuts against the first inclined block, the inclined side surface of the first inclined block is slidably connected with an ejection block, the ejection block is slidably connected to the inner side of the fixed seat, a fourth spring is fixedly connected between the ejection block and the fixed seat, and the end of the ejection block abuts against the end of the center slide bar.

[0011] Specifically, a worm is provided in parallel on both sides of the central slide rod, the worm is rotatably connected to the inner side of the slide rod, the side surface of the worm is meshed with a worm gear sleeve arranged on the same side, a slot is opened at the end of the worm, and two driving shafts are rotatably connected to the inner side of the fixed seat, the driving shaft and the worm on the same side are located on the same straight line, and the two fixed seats are rotatably connected with a rotary cover on the side away from the slide rail, the end of the driving shaft is meshed with the inner side of the rotary cover, the end of the driving shaft is slidably connected with a plug-in rod, the end of the plug-in rod is slidably connected to the worm through a slot, and a seventh spring is fixedly connected between the plug-in rod and the driving shaft.

[0012] Specifically, the cleaning structure includes a cleaning scraper block, a cleaning scraper block is provided on the side of the pulley, the cleaning scraper block is slidably connected to the inner side of the slider, one side of the cleaning scraper block is in conflict with the pulley, the end of the cleaning scraper block is slidably connected to a pushing block, a fifth spring is fixedly connected between the pushing block and the cleaning scraper block, a sixth spring is fixedly connected between the two pushing blocks on the same side, the side of the pushing block is a slope structure, a second slope block is slidably connected between the two pushing blocks via an inclined surface, an arc-shaped protrusion is provided in the middle of the central slide rod, and the end of the second slope block is in conflict with the protrusion on the side of the central slide rod.

[0013] Specifically, the lifting structure includes a lifting block, and the lifting blocks are slidably connected to the two sides of the slide rail, the lifting block is in conflict with the bottom side of the slider, and a protrusion structure is provided on the bottom side of the lifting block. The bottom side of the lifting block is slidably connected to a first rack, and a plurality of grooves are provided on the first rack. The end of the first rack is slidably connected to the inner side of a fixed seat, and a reversing gear is rotatably connected to the inner side of the fixed seat, and the first rack is meshed with the reversing gear.

[0014] Specifically, a second rack is slidably connected to the inner side of the fixed seat, the second rack and the first rack are arranged perpendicular to each other, a torsion spring is fixedly connected between the reversing gear and the fixed seat, a tooth groove is provided on the side of the connecting rotary block, and the second rack is meshed with the connecting rotary block through the tooth groove.

[0015] Specifically, the supporting structure includes an adjusting screw, the bottom side of the slide rail is rotatably connected to the adjusting screw, the adjusting screw is threadedly connected to a threaded block, the side of the slide rail is rotatably connected to a plurality of support rods, two adjacent support rods are arranged in an "eight" shape, a limiting groove is provided on the side of the support rod, the threaded block is slidably connected to the support rod through the limiting groove, the top side of the threaded block is slidably connected to the slide rail, and the thread directions of the two adjacent threaded blocks and the corresponding upper parts of the adjusting screw are opposite.

[0016] The beneficial effects of the present invention are: (1) The linear guide rail with a dustproof structure described in the present invention has a sliding structure on the guide rail. The sliding structure can make the guide rail itself have a certain dustproof effect and ensure the precise sliding of the slider.

[0017] (2) The linear guide rail with a dustproof structure described in the present invention has a connecting structure at the end of the slide rail, and the slide structure is connected to a driving structure. The position of the slider can be fixed by the connecting structure, which is convenient for cleaning the slide rail. The pulley can be controlled to rotate independently by the driving structure, which is convenient for cleaning the pulley.

[0018] (3) The linear guide rail with a dustproof structure described in the present invention has a cleaning structure on the inner side of the sliding structure and a lifting structure on the side of the slide rail. The cleaning structure is used to clean impurities attached to the side of the pulley. The lifting structure can lift the slider during the cleaning process of the pulley.

[0019] (4) In the linear guide rail with a dustproof structure described in the present invention, a support structure is provided on the bottom side of the guide rail, and the height of the entire guide rail can be easily adjusted through the support structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0021] Figure 1 Schematic diagram of the overall structure provided by the present invention; Figure 2 Schematic diagram of the connection structure between the fixed seat and the slider of the present invention; Figure 3 For Figure 2 Schematic diagram of the enlarged structure of part A shown in; Figure 4 Schematic diagram of the structure of the worm gear sleeve of the present invention; Figure 5 Schematic diagram of the connection structure between the slide rail and the fixed seat of the present invention; Figure 6 Schematic diagram of the connection structure between the slide rail and the support rod of the present invention; Figure 7 For Figure 6 Schematic diagram of the enlarged structure of part B shown in; Figure 8 Schematic diagram of the connection structure between the fixed seat and the connecting rotary block of the present invention; Figure 9 For Figure 8 Schematic diagram of the enlarged structure of part C shown in; Figure 10 Schematic diagram of the connection structure between the fixed seat and the slide rail of the present invention; Figure 11 For Figure 10 Schematic diagram of the enlarged structure of part D shown in; Figure 12 Schematic diagram of the connection structure between the reversing gear and the second rack of the present invention; Figure 13 Schematic diagram of the connection structure between the fixed seat and the rotary cover of the present invention.

[0022] In the figure: 1, slide rail; 2, sliding structure; 201, slider; 202, pulley; 203, ball; 204, fixed sleeve; 3, connecting structure; 301, fixed seat; 302, connecting rotary block; 303, release rod; 304, engaging block; 305, first spring; 306, card slot; 307, pushing rod; 308, second spring; 4, supporting structure; 401, support rod; 402, limiting groove; 403, adjusting screw; 404, threaded block; 5, lifting structure; 501, lifting block; 502, first rack; 503, tooth groove; 504, second rack; 505, groove; 506, reversing gear; 507, torsion spring; 6, driving structure; 601, worm; 602, worm gear sleeve; 603, center slide rod; 604, connecting column; 605, third spring; 606, connecting groove; 607, screw cap; 608, first inclined block; 609, fourth spring; 610, ejecting block; 611, positioning groove; 612, slot; 613, drive shaft; 614, seventh spring; 615, eighth spring; 616, inserting rod; 7, cleaning structure; 701, cleaning scraping block; 702, pushing block; 703, fifth spring; 704, sixth spring; 705, second inclined block. Detailed implementation mode

[0023] In order to make the technical means, creative features, achieved purposes and effects of the present invention easy to understand, the present invention will be further described below in conjunction with the specific implementation mode.

[0024] As Figure 1 , Figure 2 , Figure 3 , Figure 9 shown, a linear guide rail with a dust-proof structure according to the present invention includes a slide rail 1, a sliding structure 2 is arranged on the slide rail 1, a cleaning structure 7 is arranged inside the sliding structure 2, the sliding structure 2 is connected with a driving structure 6, a connecting structure 3 is arranged at the end of the slide rail 1, a lifting structure 5 is arranged on the side of the slide rail 1, and a supporting structure 4 is arranged at the bottom side of the slide rail 1.

[0025] Specifically, as Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11As shown, the sliding structure 2 includes a slider 201, the slider 201 is provided on the slide rail 1, the top side of the slide rail 1 is a diamond structure, both sides of the slider 201 are rotatably connected with pulleys 202, the pulleys 202 are obliquely arranged, the ends of the pulleys 202 are rotatably connected with fixed sleeves 204, the fixed sleeves 204 are fixedly connected to the inner side of the slider 201, the side of the pulley 202 is annularly provided with a plurality of balls 203, and the side of the pulley 202 is slidably connected with the fixed sleeves 204 through the balls 203; The top side of the slide rail 1 is in a diamond-shaped structure, and an obliquely arranged pulley 202 is respectively provided on both sides of the slider 201 to provide support and sliding effect for the slider 201. Due to the inclined structure on both sides of the slide rail 1, it is difficult for large particles of impurities to remain on the slide rail 1 to affect the sliding of the slider 201. At the same time, the two obliquely arranged pulleys 202 slide on the slide rail 1, which can prevent the slider 201 from deviating during the sliding process, and the ball 203 arranged between the fixed sleeve 204 and the pulley 202 can reduce the wear of the top side of the pulley 202 during the rolling process.

[0026] Specifically, Figure 1 , Figure 2 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 10 , Figure 11 , Figure 12 , Figure 13 As shown, the connection structure 3 includes a fixed seat 301, the end of the slide rail 1 is fixedly connected to the fixed seat 301, the fixed seat 301 is rotatably connected to a connecting rotary block 302, the connecting rotary block 302 is in a "凵"-shaped structure, a slot 306 is provided on the inner side of the connecting rotary block 302, a snap-fit ​​block 304 is slidably connected to the side of the slider 201, a first spring 305 is fixedly connected between the snap-fit ​​block 304 and the slider 201, and the end of the snap-fit ​​block 304 is connected to the connecting rotary block 302 through the slot 306. The two ends of the connecting rotary block 302 are respectively slidably connected with a pushing rod 307, a second spring 308 is fixedly connected between the pushing rod 307 and the connecting rotary block 302, the end of the pushing rod 307 is an arc structure, the middle part of the connecting rotary block 302 is rotatably connected with a release rod 303, the side of the release rod 303 is provided with an arc notch, the arc end of the pushing rod 307 contacts the release rod 303 through the notch on the side of the release rod 303, and the other end of the pushing rod 307 is arranged on the side of the locking block 304; When it is necessary to clean the slide rail 1 or the slider 201, the user can rotate the connecting rotary block 302 provided on the fixing seat 301 at the end of the slide rail 1 to the horizontal state, and then slide the slider 201 until it abuts against the fixing seat 301. At this time, the engaging block 304 provided on the side of the slider 201 will engage with the card slot 306 on the side of the connecting rotary block 302. With the rotation angle limit of the connecting rotary block 302, the slider 201 can be fixed on the fixing seat 301. When the user needs to release the slider 201, the user can rotate the release rod 303 on the connecting rotary block 302. At this time, the end of the push rod 307 will disengage from the arc-shaped groove on the side of the release rod 303 and slide to one side. At this time, the end of the push rod 307 will push the engaging block 304 to release the connection state between the slider 201 and the fixing seat 301.

[0027] Specifically, such as Figure 3 , Figure 4 , Figure 5 , Figure 8 , Figure 9 , Figure 10 , Figure 13As shown, the driving structure 6 includes a central sliding rod 603, the middle of the slider 201 is slidably connected to the central sliding rod 603, the central sliding rod 603 is perpendicular to the side of the fixed seat 301, and an eighth spring 615 is fixedly connected between the side of the central sliding rod 603 and the slider 201. The pulley 202 is vertically arranged on the adjacent side of the central sliding rod 603, and the end of the pulley 202 is rotatably connected to the worm gear sleeve 602. The inner side of the worm gear sleeve 602 is provided with a connecting groove 606, and the end of the pulley 202 is slidably connected to the connecting groove 606. The connecting column 604 is fixedly connected to the pulley 202 with a third spring 605. The two side ends of the connecting column 604 are slidably connected to the worm gear sleeve 602 through the connecting groove 606. The side of the central slide bar 603 is provided with a positioning groove 611. The end of the connecting column 604 is a hemispherical structure. The spherical end of the connecting column 604 abuts against the side of the central slide bar 603. The raised part of the middle side of the connecting rotating block 302 abuts against the first inclined surface block 608. The inclined side of the first inclined surface block 608 is slidably connected to the worm gear sleeve 602. A ejector block 610 is connected, and the ejector block 610 is slidably connected to the inner side of the fixed seat 301. A fourth spring 609 is fixedly connected between the ejector block 610 and the fixed seat 301. The end of the ejector block 610 conflicts with the end of the central slide rod 603. A worm 601 is provided in parallel on both sides of the central slide rod 603. The worm 601 is rotatably connected to the inner side of the slider 201. The side of the worm 601 is meshed with the worm gear sleeve 602 provided on the same side. A slot 612 is provided at the end of the worm 601. The inner side of the fixed seat 301 is rotatably connected to two driving shafts 613, and the driving shafts 613 and the worm 601 on the same side are located on the same straight line. The two fixed seats 301 are rotatably connected to the side away from the slide rail 1 with a rotary cover 607, and the end of the driving shaft 613 is meshed with the inner side of the rotary cover 607. The end of the driving shaft 613 is slidably connected to a plug rod 616, and the end of the plug rod 616 is slidably connected to the worm 601 through a slot 612. A seventh spring 614 is fixedly connected between the plug rod 616 and the driving shaft 613; When the slider 201 is fixedly connected to the connecting rotating block 302, since the connecting rotating block 302 rotates, the convex structure in the middle of the connecting rotating block 302 will push the first inclined block 608 to slide downward, and then push the end of the ejecting block 610 to extend out of the side of the fixed seat 301 through the inclined side of the first inclined block 608. Thus, when the end of the slider 201 abuts against the fixed seat 301, the end of the ejecting block 610 will push the central slide bar 603 arranged in the slider 201. As the central slide bar 603 slides, the end of the connecting column 604 at the end of the pulley 202 will disengage from the positioning groove 611 on the side of the central slide bar 603. At this time, both side ends of the connecting column 604 will be engaged in the connecting groove 606 inside the worm gear sleeve 602. At this time, the worm gear sleeve 602 and the pulley 202 will rotate synchronously. On the other hand, since the slider 201 abuts against the side of the fixed seat 301, the end of the insertion rod 616 on the side of the fixed seat 301 will slide into the slot 612 at the end of the worm 601. At this time, the user can rotate the screw cap 607 located on the side of the fixed seat 301. The inner side of the screw cap 607 meshes with the end of the drive shaft 613. The rotation of the screw cap 607 will drive the two drive shafts 613 and the insertion rod 616 sliding on the drive shaft 613 to rotate at the same time. Further, the insertion rod 616 will drive the worm 601 to rotate, and the worm 601 will drive the pulley 202 to rotate through the worm gear sleeve 602. By manually controlling the rotation of the pulley 202 arranged at the bottom of the slider 201, it is convenient to thoroughly clean the impurities that may adhere to the side of the pulley 202.

[0028] Specifically, as Figure 9 shown, the cleaning structure 7 includes a cleaning scraping block 701. The side of the pulley 202 is provided with a cleaning scraping block 701. The cleaning scraping block 701 is slidably connected to the inside of the slider 201. One side of the cleaning scraping block 701 abuts against the pulley 202. The end of the cleaning scraping block 701 is slidably connected with a pushing block 702. A fifth spring 703 is fixedly connected between the pushing block 702 and the cleaning scraping block 701. A sixth spring 704 is fixedly connected between the two pushing blocks 702 on the same side. The side of the pushing block 702 is of an inclined surface structure. A second inclined block 705 is slidably connected between the two pushing blocks 702 through the inclined surface. An arc-shaped protrusion is provided in the middle of the central slide bar 603. The end of the second inclined block 705 abuts against the protrusion on the side of the central slide bar 603; When the slider 201 and the fixed seat 301 are in a connected state, the central slide bar 603 will slide due to the push of the ejection block 610. At this time, the raised structure in the middle of the central slide bar 603 will move to the end position of the second inclined surface block 705 and push it. The end of the second inclined surface block 705 is a triangular structure. The two inclined sides of the second inclined surface block 705 will push the pushing blocks 702 on both sides to the sides respectively, and then push the cleaning scraper block 701 toward the adjacent pulley 202 through the fifth spring 703 until the side of the cleaning scraper block 701 is tightly in contact with the side of the pulley 202. At this time, the user turns the rotary cover 607 to drive the pulley 202 to rotate to scrape off the impurities attached to the side of the pulley 202, thereby maintaining the sliding smoothness of the slider 201.

[0029] Specifically, the lifting structure 5 includes a lifting block 501, and the lifting blocks 501 are slidably connected to both sides of the slide rail 1. The lifting blocks 501 are in conflict with the bottom side of the slider 201. The bottom side of the lifting block 501 is provided with a convex structure. The bottom side of the lifting block 501 is slidably connected to a first rack 502, and the first rack 502 is provided with a plurality of grooves 505. The end of the first rack 502 is slidably connected to the inner side of the fixed seat 301. The inner side of the fixed seat 301 A reversing gear 506 is rotatably connected, the first rack 502 is meshed with the reversing gear 506, a second rack 504 is slidably connected to the inner side of the fixed seat 301, the second rack 504 and the first rack 502 are arranged perpendicular to each other, a torsion spring 507 is fixedly connected between the reversing gear 506 and the fixed seat 301, a tooth groove 503 is opened on the side of the connecting rotary block 302, and the second rack 504 is meshed with the connecting rotary block 302 through the tooth groove 503; In order to separate the pulley 202 from the surface of the slide rail 1 during the cleaning process of the pulley 202 to avoid friction between the two, after the connecting rotary block 302 rotates, it will drive the second rack 504 to slide through the tooth grooves 503 on both sides, and the sliding of the second rack 504 will further drive the first rack 502 set horizontally to slide through the reversing gear 506, and the groove 505 opened on the other side of the first rack 502 will be staggered with the protrusion on the bottom side of the lifting block 501 as the first rack 502 slides. At this time, the lifting block 501 will move toward the top side and The slider 201 is slightly lifted from the slide rail 1 as a whole. At this time, the pulley 202 is separated from the surface of the slide rail 1, so that the pulley 202 will not rub against the slide rail 1 during the rotation and cleaning process. After the cleaning of the pulley 202 is completed, the connecting rotary block 302 and the slider 201 are released. The connecting rotary block 302 will return to the vertical state due to the action of the torsion spring 507, and the first rack 502 slides back so that the protrusion on the bottom side of the lifting block 501 slides into the groove 505 on the first rack 502. At this time, the lifting block 501 is lowered, so that the slider 201 returns to the surface of the slide rail 1.

[0030] Specifically, Figure 1 , Figure 5 , Figure 6 , Figure 10 , Figure 11 As shown, the support structure 4 includes an adjusting screw 403, the bottom side of the slide rail 1 is rotatably connected with the adjusting screw 403, the adjusting screw 403 is threadedly connected with a thread block 404, the side of the slide rail 1 is rotatably connected with a plurality of support rods 401, two adjacent support rods 401 are arranged in an "eight" shape, and the side of the support rod 401 is provided with a limiting groove 402, the thread block 404 is slidably connected to the support rod 401 through the limiting groove 402, the top side of the thread block 404 is slidably connected to the slide rail 1, and the thread directions of the two adjacent thread blocks 404 and the corresponding upper part of the adjusting screw 403 are opposite; A plurality of support rods 401 arranged in an "eight" shape are provided on the bottom side of the slide rail 1. The user can rotate the adjusting screw 403 located at the end of the slide rail 1 to drive the threaded block 404 on the bottom side of the slide rail 1 to slide. When the threaded block 404 slides, its side surface will slide in the limiting groove 402 on the support rod 401 and drive the support rod 401 to rotate, thereby adjusting the height of the slide rail 1.

[0031] When the present invention is in use, first of all, the top side of the slide rail 1 is in a diamond structure, and a pulley 202 arranged obliquely is provided on each side of the slider 201 to provide support and sliding effect for the slider 201. Due to the inclined plane structure on both sides of the slide rail 1, it is difficult for large particles of impurities to remain on the slide rail 1 and affect the sliding of the slider 201. At the same time, the two obliquely arranged pulleys 202 slide on the slide rail 1, which can prevent the slider 201 from shifting during the sliding process. The ball 203 arranged between the fixed sleeve 204 and the pulley 202 can reduce the wear of the top side part of the pulley 202 during the rolling process. When it is necessary to clean the slide rail 1 or the slider 201, the user can rotate the connecting rotary block 302 arranged on the fixed seat 301 at the end of the slide rail 1 to the horizontal state, and then slide the slider 201 to abut against the fixed seat 301. At this time, the engaging block 304 arranged on the side of the slider 201 will engage with the slot 306 on the side of the connecting rotary block 302. With the rotation angle limit of the connecting rotary block 302, the slider 201 can be fixed on the fixed seat 301. When it is necessary to release the slider 201, the user can rotate the release rod 303 on the connecting rotary block 302. At this time, the end of the push rod 307 will disengage from the arc-shaped groove on the side of the release rod 303 and slide to one side. At this time, the end of the push rod 307 will push the engaging block 304 to release the connection state between the slider 201 and the fixed seat 301. When the slider 201 and the connecting rotary block 302 are connected and fixed, due to the rotation of the connecting rotary block 302, the convex structure in the middle of the connecting rotary block 302 will push the first inclined plane block 608 to slide downward, and then push the end of the ejecting block 610 to extend out of the side of the fixed seat 301 through the inclined side of the first inclined plane block 608. In this way, when the end of the slider 201 abuts against the fixed seat 301, the end of the ejecting block 610 will push the central slide rod 603 arranged in the slider 201. As the central slide rod 603 slides, the end of the connecting column 604 at the end of the pulley 202 will disengage from the positioning groove 611 on the side of the central slide rod 603. At this time, both ends of the connecting column 604 will engage in the connecting groove 606 inside the worm gear sleeve 602. At this time, the worm gear sleeve 602 and the pulley 202 will rotate synchronously. On the other hand, due to the slider 201 abutting against the side of the fixed seat 301, the end of the inserting rod 616 on the side of the fixed seat 301 will slide into the slot 612 at the end of the worm 601. At this time, the user can rotate the rotary cover 607 located on the side of the fixed seat 301. The inner side of the rotary cover 607 meshes with the end of the drive shaft 613. The rotation of the rotary cover 607 will drive the two drive shafts 613 and the inserting rods 616 sliding on the drive shafts 613 to rotate at the same time. Further, the inserting rod 616 will drive the worm 601 to rotate, and the worm 601 will drive the pulley 202 to rotate through the worm gear sleeve 602. By manually controlling the rotation of the pulley 202 arranged at the bottom of the slider 201, it is convenient to fully clean the impurities that may adhere to the side of the pulley 202.When the slider 201 is connected to the fixed seat 301, the central slide bar 603 slides due to the push of the ejection block 610. At this time, the raised structure in the middle of the central slide bar 603 moves to the end position of the second inclined surface block 705 and pushes it. The end of the second inclined surface block 705 is a triangular structure. The two oblique sides of the second inclined surface block 705 push the pushing blocks 702 on both sides to the sides respectively, and then push the cleaning scraper block 701 toward the adjacent pulley 202 through the fifth spring 703 until the side of the cleaning scraper block 701 is aligned with the pulley 202. 02, the user rotates the rotary cover 607 to drive the pulley 202 to rotate, so as to scrape off the impurities attached to the side of the pulley 202 and maintain the sliding smoothness of the slider 201. In order to separate the pulley 202 from the surface of the slide rail 1 during the cleaning process of the pulley 202 and avoid friction between the two, after the connecting rotary block 302 rotates, it will drive the second rack 504 to slide through the tooth grooves 503 on both sides, and the sliding of the second rack 504 will further drive the first rack 502 set horizontally to slide through the reversing gear 506 , the groove 505 on the other side of the first rack 502 will be staggered with the protrusion on the bottom side of the lifting block 501 as the first rack 502 slides. At this time, the lifting block 501 will move toward the top side and slightly lift the slider 201 as a whole from the slide rail 1. At this time, the pulley 202 will be separated from the surface of the slide rail 1, so that the pulley 202 will not rub against the slide rail 1 during the rotation cleaning process. After the cleaning of the pulley 202 is completed, the connecting rotary block 302 and the slider 201 are released, and the connecting rotary block 302 will return to the vertical state due to the action of the torsion spring 507, and the first rack 502 will return to the vertical state. The protrusion on the bottom side of the lifting block 501 slides into the groove 505 on the first rack 502. At this time, the lifting block 501 is lowered, so that the slider 201 returns to the surface of the slide rail 1. There are multiple groups of support rods 401 arranged in an "eight" shape on the bottom side of the slide rail 1. The user can rotate the adjustment screw 403 at the end of the slide rail 1 to drive the threaded block 404 on the bottom side of the slide rail 1 to slide. When the threaded block 404 slides, its side will slide in the limit groove 402 on the support rod 401 and drive the support rod 401 to rotate, thereby adjusting the height of the slide rail 1.

[0032] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0033] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment contains only an independent technical solution. This narrative manner of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A linear guide rail with a dust-proof structure, characterized in that It includes a slide rail (1), on which a sliding structure (2) is provided. A cleaning structure (7) is provided inside the sliding structure (2), and the sliding structure (2) is connected to a driving structure (6). The sliding structure (2) includes a slider (201). The slider (201) is provided on the slide rail (1). The top side of the slide rail (1) is in a rhombus structure. Pulleys (202) are rotatably connected to both sides of the slider (201). The pulleys (202) are obliquely arranged. The end of the pulley (202) is rotatably connected to a fixed sleeve (204). The fixed sleeve (204) is fixedly connected to the inside of the slider (201). A plurality of balls (203) are annularly arranged on the side of the pulley (202). The side of the pulley (202) is slidably connected to the fixed sleeve (204) through the balls (203). The cleaning structure (7) includes a cleaning scraper block (701). The cleaning scraper block (701) is provided on the side of the pulley (202). The cleaning scraper block (701) is slidably connected to the inside of the slider (201). The driving structure (6) includes a central slide rod (603). The central slide rod (603) is slidably connected to the middle of the slider (201). The end of the pulley (202) is rotatably connected to a worm gear sleeve (602). A connection groove (606) is opened inside the worm gear sleeve (602). A connection column (604) is slidably connected to the end of the pulley (202). A third spring (605) is fixedly connected between the connection column (604) and the pulley (202). The two side ends of the connection column (604) are slidably connected to the worm gear sleeve (602) through the connection groove (606). One worm (601) is respectively arranged in parallel on both sides of the central slide rod (603). The worm (601) is rotatably connected to the inside of the slider (201). The side of the worm (601) meshes with the worm gear sleeve (602) arranged on the same side.

2. The linear guide rail with a dust-proof structure according to claim 1, characterized in that: A connection structure (3) is provided at the end of the slide rail (1). The connection structure (3) includes a fixed seat (301). The fixed seat (301) is fixedly connected to the end of the slide rail (1). A connection rotating block (302) is rotatably connected to the fixed seat (301). The connection rotating block (302) is in a "U" - shaped structure. A clamping groove (306) is opened inside the connection rotating block (302). A clamping block (304) is slidably connected to the side of the slider (201). A first spring (305) is fixedly connected between the clamping block (304) and the slider (201). The end of the clamping block (304) is clamped with the connection rotating block (302) through the clamping groove (306).

3. The linear guide rail with a dust-proof structure according to claim 2, characterized in that: The two ends of the connecting rotary block (302) are respectively slidably connected to a pushing rod (307), a second spring (308) is fixedly connected between the pushing rod (307) and the connecting rotary block (302), the end of the pushing rod (307) is an arc surface structure, the middle part of the connecting rotary block (302) is rotatably connected to a release rod (303), a side of the release rod (303) is provided with an arc-shaped notch, the arc surface end of the pushing rod (307) contacts the release rod (303) through the notch on the side of the release rod (303), and the other end of the pushing rod (307) is arranged on the side of the locking block (304).

4. The linear guide rail with a dust-proof structure according to claim 2, wherein: The central sliding rod (603) is perpendicular to the side of the fixed seat (301), an eighth spring (615) is fixedly connected between the side of the central sliding rod (603) and the slider (201), and the pulley (202) is arranged perpendicularly to the adjacent side of the central sliding rod (603).

5. The linear guide rail with a dust-proof structure according to claim 4, wherein: A positioning groove (611) is provided on the side of the central slide bar (603); the end of the connecting column (604) is in a hemispherical structure; the spherical end of the connecting column (604) abuts against the side of the central slide bar (603); the raised portion of the middle side of the connecting rotating block (302) abuts against a first inclined surface block (608); the inclined side of the first inclined surface block (608) is slidably connected to an ejection block (610); the ejection block (610) is slidably connected to the inner side of the fixed seat (301); a fourth spring (609) is fixedly connected between the ejection block (610) and the fixed seat (301); and the end of the ejection block (610) abuts against the end of the central slide bar (603).

6. The linear guide rail with a dust-proof structure according to claim 4, wherein: A slot (612) is provided at the end of the worm (601); two drive shafts (613) are rotatably connected to the inner side of the fixed seat (301); the drive shafts (613) and the worm (601) on the same side are located on the same straight line; a rotary cover (607) is rotatably connected to the side of the two fixed seats (301) away from the slide rail (1); the end of the drive shaft (613) is meshed with the inner side of the rotary cover (607); the end of the drive shaft (613) is slidably connected to a plug-in rod (616); the end of the plug-in rod (616) is slidably connected to the worm (601) via the slot (612); a seventh spring (614) is fixedly connected between the plug-in rod (616) and the drive shaft (613).

7. The linear guide rail with a dust-proof structure according to claim 4, characterized in that: One side of the cleaning scraping block (701) abuts against the pulley (202). A pushing block (702) is slidably connected to the end of the cleaning scraping block (701). A fifth spring (703) is fixedly connected between the pushing block (702) and the cleaning scraping block (701). A sixth spring (704) is fixedly connected between two pushing blocks (702) on the same side. The side surface of the pushing block (702) is of an inclined plane structure. A second inclined plane block (705) is slidably connected between the two pushing blocks (702) through the inclined plane. An arc-shaped protrusion is provided in the middle of the central sliding rod (603). The end of the second inclined plane block (705) abuts against the protrusion on the side surface of the central sliding rod (603).

8. A linear guide rail with a dust-proof structure according to claim 2, wherein: A lifting structure (5) is provided on the side surface of the slide rail (1). The lifting structure (5) includes a lifting block (501). The lifting block (501) is slidably connected to both sides of the slide rail (1). The lifting block (501) abuts against the bottom side of the slider (201). A protrusion structure is provided on the bottom side of the lifting block (501). A first rack (502) is slidably connected to the bottom side of the lifting block (501). A plurality of grooves (505) are formed in the first rack (502). The end of the first rack (502) is slidably connected to the inside of the fixed seat (301). A reversing gear (506) is rotatably connected to the inside of the fixed seat (301). The first rack (502) is meshed with the reversing gear (506).

9. A linear guide rail with a dust-proof structure according to claim 8, characterized in that: A second rack (504) is slidably connected to the inside of the fixed seat (301). The second rack (504) and the first rack (502) are arranged perpendicular to each other. A torsion spring (507) is fixedly connected between the reversing gear (506) and the fixed seat (301). A tooth groove (503) is formed on the side surface of the connecting rotary block (302). The second rack (504) is meshed with the connecting rotary block (302) through the tooth groove (503).

10. A linear guide rail with a dust-proof structure according to claim 1, characterized in that: A supporting structure (4) is provided on the bottom side of the slide rail (1). The supporting structure (4) includes an adjusting screw rod (403). The adjusting screw rod (403) is rotatably connected to the bottom side of the slide rail (1). A threaded block (404) is threadedly connected to the adjusting screw rod (403). A plurality of support rods (401) are rotatably connected to the side surface of the slide rail (1). Two adjacent support rods (401) are arranged in an "eight" shape. A limiting groove (402) is formed on the side surface of the support rod (401). The threaded block (404) is slidably connected to the support rod (401) through the limiting groove (402). The top side of the threaded block (404) is slidably connected to the slide rail (1). The threaded directions of the threads on the upper parts of two adjacent threaded blocks (404) and the corresponding adjusting screw rods (403) are opposite.

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