CN2183848Y - Ball sliding rail for linear movement - Google Patents

Ball sliding rail for linear movement Download PDF

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Publication number
CN2183848Y
CN2183848Y CN 93235862 CN93235862U CN2183848Y CN 2183848 Y CN2183848 Y CN 2183848Y CN 93235862 CN93235862 CN 93235862 CN 93235862 U CN93235862 U CN 93235862U CN 2183848 Y CN2183848 Y CN 2183848Y
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CN
China
Prior art keywords
steel ball
slide blocks
end cap
rail
rail bar
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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CN 93235862
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Chinese (zh)
Inventor
张捷晃
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Hiwin Technologies Corp
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Hiwin Technologies Corp
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Priority to CN 93235862 priority Critical patent/CN2183848Y/en
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Publication of CN2183848Y publication Critical patent/CN2183848Y/en
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Abstract

The utility model relates to a ball sliding rail for linear movement. A steel ball in the main body of a sliding block rotates between an end cover and a sliver sliding rail bar through a circulation path; the utility model relates to the side surfaces two linear steel ball ring which are arranged in a Goethe mode and are inwards shrunk in the rail bar, and a linear steel ball ring surface whose one edge is provided with a semicircular surface and the other edge is combined with the surface of the linear steel ball ring above the rail bar through point contact. The reflux of a lateral ball ring is a line or a rotation groove of ninety degrees; a lateral steel ball is buckled and fixed through a spring fixed sheet buckled between two end covers or a spring.

Description

Ball sliding rail for linear movement
The utility model relates to a kind of straight-line ball type slide rail, dual-side Goethe type load steel ball circle design for improvement traditional line ball slide rail, add that with the Goethe's shaped steel Zhu Quan between side direction indent formula slide rail and relative slide block the cooperation that is contacted with the steel ball circle of slide rail by top semicircle and point reaches smooth-going backflow and supports the ability of load, the end cover designs that this kind is special, make revolution more smooth and easy, it is easier to make.
Be illustrated in figure 2 as traditional design, it between its rail bar 1 and the slide blocks 2 load that bears by load steel ball circle 5 contacts of Goethe's type groove 3 of two side direction that are arranged in rail bar 1 and slide blocks 2 and 4 on the slide blocks 2, and, slide blocks 2 is moved along rail bar 1 sliding into of doing not stop by the revolution of end cap turning slot 8 circulation.This kind design is born because of the load of the each side Goethe's type contact steel ball circle 5 by both sides, when making it bear the top load, having the slip bias phenomenon takes place, if during because of manufacturing, both sides steel ball contact tooth forms (profile) are bad, then its slip bias phenomenon becomes big, and the load-bearing ability is greatly reduced, and therefore assembly precision also is not easy control.Add the steel ball turning slot 8 on backflow end cap 6, because of being subject to the width of slide blocks body 7, and can't do short-range revolution, hindered the rotating smooth-going degree of steel ball.
The purpose of this utility model is to overcome the shortcoming of above-mentioned design and a kind of straight-line ball type slide rail is provided, with the Goethe's shaped steel Zhu Quan between side direction indent formula slide rail and slide block on the other side, and cooperate two row to be contacted with the straight line steel ball circle of slide rail top on one side by point for semicircle face, another side, to reach the effect of smooth-going backflow and raising support loading ability, and making that revolution is smooth and easy, making is more prone to.
The purpose of this utility model reaches as follows:
A kind of straight-line ball type slide rail, comprise rail bar and slide blocks, it is characterized in that: this rail bar and slide blocks connecting part are skewed, the inner concave that joins and the spirogyrate face that are positioned on slide rail both sides recess-type rail bar and the relative protrusion type slide blocks are provided with Goethe's type steel bead groove, in steel bead groove, be provided with the steel ball of the contact of rolling, and the space in this slide blocks that increased, the straight line backflow is refluxed with 90 degree corner formulas all can make.
The purpose of this utility model can also following mode reach: described straight-line ball type slide rail, it is characterized in that: position above this slide blocks and rail bar are contacted, this slide blocks side forms semicircle face, the load steel ball contacts this semicircle face, another side is contacted with the upper surface of this rail bar with the end point of steel ball, this steel ball mat fixed plate remains between end covers at two sides, and its revolution is to push rotary path with short-range three pearls of optimization on end cap.
Described straight-line ball type slide rail, it is characterized in that: the revolution groove is positioned at end cap, the revolution of both sides steel ball refluxes with straight line or 90 degree, the steel ball of upside then refluxes with straight line, the steel ball of both sides is doing when 90 degree reflux the auxiliary reflux piece is arranged, and is provided with the positioning pin hole that makes end cap be positioned the slide blocks body.
Described straight-line ball type slide rail is characterized in that: be provided with in the steel ball circle of these both sides Goethe's type and hold the snak link card that steel ball do not drop outside rail bar steel ball and be placed between two end cap.
Described straight-line ball type slide rail is characterized in that: wherein be provided with the retainer that the maintenance steel ball does not break away from slide blocks in this two upside Goethe shaped steel pearl circle.
Effect of the present utility model mainly is:
Side direction steel ball circle can bear the running torque of slide blocks lateral force and all directions, the steel ball circle of top can bear load and the torque on the slide blocks, and can do the adjustment of precompression and revise the gemoetric error that side direction steel ball circle assembles, thereby can make the revolution of steel ball circle smooth and easy, and make easily.
In order further to understand feature of the present utility model and technology contents, please consult in detail following about detailed description of the present utility model and accompanying drawing, yet appended graphic only for reference with usefulness is described, and be not to be used for the utility model is done any restriction; Relevant accompanying drawing is:
Fig. 1 is a three-dimensional combination figure of the present utility model;
Fig. 2 is the known slide blocks (containing end cap) and the combination section of slide rail;
Fig. 3 is the assembled sectional view of slide blocks of the present utility model (containing end cap) and slide rail;
Fig. 4 is the sectional view of slide rail of the present utility model;
Fig. 5 is the sectional view of slide blocks body of the present utility model;
Fig. 6 is the sectional view of end cap of the present utility model;
Fig. 6 A is the A-A sectional drawing in the end cap of Fig. 6 of the present utility model;
Fig. 6 B is the B-B sectional drawing in the end cap of Fig. 6 of the present utility model;
Fig. 6 C is the C-C sectional drawing in the end cap of Fig. 6 of the present utility model;
Fig. 7 is the planimetric map that turns round auxiliary gyration block in the end cap of the present utility model as side direction steel ball circle;
Fig. 7 A is the side view of Fig. 7 of the present utility model;
Fig. 8 buckles card spring side view for what be used as that both sides steel ball circle keeps in the utility model;
Fig. 9 A is the retainer floor map that keeps upside steel ball circle in the utility model;
Fig. 9 B is the retainer front side schematic representation that keeps upside steel ball circle in the utility model;
Fig. 9 C is the retainer right side schematic representation that keeps upside steel ball circle in the utility model;
Figure 10 is the floor map of another kind of slide blocks body of the utility model and end cap;
End cap sectional view when Figure 11 uses button card spring for the utility model.
Figure 11 A is the A-A sectional drawing in the end cap of Figure 11 of the present utility model;
Figure 11 B is the B-B sectional drawing in the end cap of Figure 11 of the present utility model;
Figure 11 C is the C-C sectional drawing in the end cap of Figure 11 of the present utility model.
A kind of straight-line ball slide rail is by the intrinsic steel ball of slide blocks, straight line circulation (recirculation) path via particular design, turn round between end cap (end cap), do relative guiding (guide) with rectangular slip rail bar (guide rail) and slide, make straight line motion smooth-going, low friction along rail bar to reach the heavy load of carrying on the slide blocks.The steel ball face that slide blocks contacts with rail bar is to be arranged by two row Goethe types, and is recessed in the straight line side of rail bar, adds that two row are semicircle face on one side, and another side combines by the planarea that point is contacted with the rail bar top.Two row side direction and be recessed in Goethe's profile of rail bar, make load steel ball circle can bear the outer lateral force of slide blocks and the running torque of all directions, the rail bar that contracts in allowing more can bear strong load and shearing, steel ball circle above two row are positioned in addition bears the load and the torque load of slide blocks top, also can do simultaneously the adjustment of precompression, but the gemoetric error during modifying factor side direction Goethe shaped steel Zhu Quan assembling simultaneously makes easily manufactured.Be positioned at the reflux type of the Zhu Quan of side direction, be on end cap, to be in line or the 90 revolution grooves of spending, guiding load steel ball to the slide blocks base side to circular hole become the convection circulation of non-load steel ball, on the relative tow-away zone of end cap, there is one to incorporate the formula guiding block into, make best lifting arc, with the steel ball of guiding Goethe type contact, enter non-load steel ball circular hole in the slide blocks along this track.Above steel ball to reflux be to turn round between the slide blocks front and rear cover by steel ball, and not landing in outside.Simultaneously, the steel ball of side direction is to fix by the snak link card line that is clamped between two end cap, and more than button fastens mode and all can change identical snak link card line again into, to save number of spare parts, reaches optimum efficiency.(figure three)
Main design of the present utility model as shown in Figure 3, Goethe's profile 3 and 4 that will contact with slide rail 1 and slide blocks 2 dual-side steel ball circles 5, be made on the indent profile 9 of rail bar 1 and on the evagination profile 10 of relative slide blocks 2, so, then the structure of rail bar 1 enables to bear stronger shearing stress (shearforce) because of indent profile 9 is arranged.Because of Goethe's type surface of contact is positioned at the slide rail recess, so the evagination profile 10 of slide blocks 2 and Goethe's profile 4 have bigger bearing surface, can bear bigger downward load.The slide blocks 2 that has Goethe's type evagination profile simultaneously increases 13 zones, the solid space of its side direction, can make the ring recess of bigger backflow.Therefore, no matter be that straight line refluxes or the situation that 90 degree reflux all can be made.Steel ball revolution and gyration block 14 location usefulness more can be made in this space, can strengthen rotating evenness.
This slide blocks 2 and position, rail bar 1 contacted top, make semicircle face 11 in slide blocks 2 sides, make load steel ball circle 15 these semicircle faces 11 of contact, another side is contacted with the upper surface of rail bar 1 with the end point 12 of steel ball circle 15, this steel ball circle 15 is to be used for assisting both sides steel ball circle to bear load from the top, and increase contacts rigidity between the two, and the load of balance both sides steel ball circle 5 surface of contact, and the adjustment of precision and precompressed, and the usefulness of safety protection, promptly when having arbitrary circle side direction steel ball can't do to roll running, the energy balanced load is done the motion of safety, and do not destroy the phenomenon that non-resistance jumps.The two circle load steel balls that are positioned at the top are by fixed plate (retainer bear) 16 or wantonly two cramps 21, be fixed between the end cap of both sides, straight line path with restriction steel ball circle 15, its revolution is to make short-range three pearls of optimization to push rotary path 18 on end cap 6, shown in Fig. 6 B, utilize outside slip between the steel ball circle 15 to squeeze and turn round, to reach smooth-going effect.More than design can improve traditional drawback, increases the ability to bear of load, and improves the precision of this slide rail.
Of the present utility model being designed to born each side's load and torque with looping back to transfer to reach by the straight-line rollings of four circle steel ball circles between straight-line slide blocks and slide rail, and can be along the best of breed of rail bar moving linearly.Four circle steel balls are respectively two circles in both sides, and two circles are at upside, and the circulation steel ball circle of bi-side is to contact rail bar and relative evagination Goethe type contact slipper is made relative circulation straight line motion by steel ball and inner concave shape Goethe type.The revolution of steel ball is to guide steel balls enter the slide blocks body along the end cap groove hole by the straight line semi-circle groove or the 90 degree revolution grooves that are machined on the end cap, turn round back in Goethe's type groove of load steel ball, by the corresponding revolution groove of the end cap of opposite side again to make continuous shuttling movement.
Two row steel ball circles of upside are being contacted with on this semicircle upper end and the rail bar.Retainer 16(is as shown in Figure 9) be to fix by the two end cap support.The design of retainer can change clamp button of the spring 21 into.Each two on every circle steel ball circle is to reach the same effect of similar retainer.The backflow of upside steel ball circle is the semi-circle groove that directly passes through the end cap top, and the hole of slide blocks body top is made for the usefulness of revolution.The purpose of this two row steel ball circle is the precompression adjustment of bearing bigger last direction load and being made for both sides Goethe's shaped steel Zhu Quan.The design of end cap still has the auxiliary gyration block placed side that is positioned the rotating semi-circle end face in both sides by locating stud except having for the rotating semi-circle groove design of four circle steel balls, with the auxiliary rotating smooth-going degree of steel ball.And the retainer of top is supported ditch.Add to make the lubricant oil that adds to pass through each Zhu Quan tow-away zone, with the lubricated ditch of lubricated Zhu Quan.End cap places slide blocks body rear and front end, and fixes with screw hole, makes the slide blocks that is combined into one.
Implement illustrations as Fig. 1 and Fig. 3 to several of the straight-line ball type slide rail that Figure 11 shows that this creation, should be by a rail bar 1 as straight-line ball slide rail, one slide blocks body 7, a pair of end cap 6, one top retainer (fixed plate) 16, as Fig. 9 A, B, shown in the C, one side retainer snak link card 21, four enclose formations such as steel ball row 5 and 15,1 of this slide blocks 2 and rail bar, be by four circles respectively at the steel ball circle 15 of the steel ball circle 5 of both sides and top by revolutions relative in the end cap 6 with semi-circular groove 8 and 18, revolution is gone in the relative pair of holes 19 and 20 of this slide blocks body 7, makes the straight line motion of Infinite Cyclic.Top retainer 16 is in order to keeping steel ball 15, when slide blocks 2 is separated with rail bar 1, steel ball 15 do not drop in outside, assemble steel ball 15 respectively in this slide blocks 2 with facility.As shown in Fig. 9 A, the snak link card retention tab 21 of both sides is in order to being clamped into the buckleing on the deck 22 of both sides end cap 6, make steel ball 5 do not drop in outside, with the usefulness of facility assembling.
Be to be put between the path 4 of the path 3 of the Goethe's profile in the indent profile 9 of these rail bar 1 both sides and the Goethe's profile in the spirogyrate face 10 in the relative slide blocks body 7 to form 4 contacting structure in the straight line of the bi-side load steel ball ring 5 to bear load, then be positioned on the slide blocks body 7 front and back end covers at two sides 6 with respect to both sides steel ball circle 5 places, one straight line semi-circle revolution groove 17(Figure 10 is arranged with shown in Figure 11) or 90 degree semi-circlees revolution groove 8(Fig. 3 shown in) enter the interior non-load steel ball hole of the slide blocks body 7 at two ends 19 with guiding load steel ball and do unlimited circulation with this, for making revolution smooth and easy, on the side turning slot, put into a slice revolution auxiliary block 14, steel ball 5 and 15 can be moved upward or downward along the curved surface 23 and 24 of this auxiliary block 14, as shown in Fig. 7 and Fig. 7 A, therefore and facilitate the smooth-going of rotation motion, revolution auxiliary block 14 is to be fixed on the end cap 6 with locating stud 25, as shown in Figure 6, and the location of this pin-and-hole 25 when also making end cap 6 and being fixed in slide blocks body 7 used.Respectively this end cap 6 is for being locked in the place, two sides, front and back of this slide blocks body 7 in four corners of end cap 6 with four retaining screws 26, to form holistic slide blocks 2, as shown in Figure 3, Goethe's shaped steel pearl of two side direction circle 5 is scattered when steel ball 5 in the steel ball circle breaks away from rail bar in slide blocks 2 for preventing, so adds retainer button card spring 21.This spring 21 is supported via the protrusion supporting surface 27 at end cap 6 two ends.Process supports seat 22 to be clamped in the hole 28 on end cap 6 limits, steel ball 5 can be limited in retainer 21 and 27 move, the convenience in the time of also assisting assembling steel ball 5 simultaneously.In two circle steel balls 15 of upside be with slide blocks body 7 in semicircle path 11 and the some path 12 on the rail bar 1 contact, like this then can freely adjust and correct both sides Goethe's type pearl and enclose 8 contact error, power and the torque load of while above can assisting to bear.
This two Zhu Quan turns round in the top straight line semi-circle groove 18 in end cap 6, the design of this revolution groove 18, make steel ball 5 can roll on one's own account the contact power pass through, and turn round in the duct 20 of slide blocks body 7 tops that non-load steel ball uses smooth-goingly, as shown in Figure 5, can make unlimited shuttling movement.For keeping steel ball 15 not break away from slide blocks 2, therefore must to adopt retainer 16, the card ditch 29 by two ends end cap 6 is blocked, allow these steel ball 15 straight line motions in retainer 16.This retainer 16 also can change the snak link card 21 that is same as Goethe's type path, both sides into, like this then design on the revolution groove on the end cap is done one and is changed as 30 of Figure 11, four snak link cards 16 can be snapped between two end cap to replace retainer 16, put into convenient steel ball.In the end cap 6 and make a lubrication oil hole and oil duct 32, make lubricant oil flow into oil ducts 32, be dispensed in the four circle steel balls by oil nozzle 33.In addition, the colloid that can add similar end cap 6 outside end cap 6 is drawn together the brush device to scrape off pollutant on the steel ball track; There is grease proofing scraping brushing device to lay in two end cap 6 belows of slide blocks 2 in addition, to prevent entering of dirt again.For making revolution smooth and easy, enclose end and be provided with the Guan Jiao that tilts together that grinds out on each pearl of slide blocks body 7, again so that turn round smooth and easy.

Claims (5)

1, a kind of straight-line ball type slide rail, comprise rail bar and slide blocks, it is characterized in that: this rail bar and slide blocks connecting part are skewed, the inner concave that joins and the spirogyrate face that are positioned on slide rail both sides recess-type rail bar and the relative protrusion type slide blocks are provided with Goethe's type steel bead groove, in steel bead groove, be provided with the steel ball of the contact of rolling, and the space in this slide blocks that increased, the straight line backflow is refluxed with 90 degree corner formulas all can make.
2, according to the described straight-line ball type slide rail of claim 1, it is characterized in that: position above this slide blocks and rail bar are contacted, this slide blocks side forms semicircle face, the load steel ball contacts this semicircle face, another side is contacted with the upper surface of this rail bar with the end point of steel ball, this steel ball mat fixed plate remains between end covers at two sides, and its revolution is to push rotary path with short-range three pearls of optimization on end cap.
3, according to the described straight-line ball type slide rail of claim 1, it is characterized in that: the revolution groove is positioned at end cap, the revolution of both sides steel ball refluxes with straight line or 90 degree, the steel ball of upside then refluxes with straight line, the steel ball of both sides is doing when 90 degree reflux the auxiliary reflux piece is arranged, and is provided with the positioning pin hole that makes end cap be positioned the slide blocks body.
4, according to the described straight-line ball type slide rail of claim 1, it is characterized in that: in the steel ball circle of these both sides Goethe's type, be provided with and hold the snak link card that steel ball do not drop outside rail bar steel ball and be placed between two end cap.
5, according to the described straight-line ball type slide rail of claim 1, it is characterized in that: wherein in this two upside Goethe shaped steel pearl circle, be provided with the retainer that the maintenance steel ball does not break away from slide blocks.
CN 93235862 1993-12-29 1993-12-29 Ball sliding rail for linear movement Expired - Lifetime CN2183848Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 93235862 CN2183848Y (en) 1993-12-29 1993-12-29 Ball sliding rail for linear movement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 93235862 CN2183848Y (en) 1993-12-29 1993-12-29 Ball sliding rail for linear movement

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Publication Number Publication Date
CN2183848Y true CN2183848Y (en) 1994-11-30

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CN 93235862 Expired - Lifetime CN2183848Y (en) 1993-12-29 1993-12-29 Ball sliding rail for linear movement

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100333874C (en) * 2003-09-05 2007-08-29 上银科技股份有限公司 Linear sliding rail having rolling body maintaining device
CN100402876C (en) * 2002-10-16 2008-07-16 依纳-谢夫勒两合公司 Linear guiding unit
CN1936554B (en) * 2005-09-22 2010-10-27 同方威视技术股份有限公司 Lifting device with rotating plate
CN105465172A (en) * 2014-09-05 2016-04-06 上银科技股份有限公司 Linear ball sliding rail with high pressing rigidity
CN105485163A (en) * 2014-09-17 2016-04-13 上银科技股份有限公司 Linear sliding rail with six columns of rolling balls
CN106702832A (en) * 2015-08-05 2017-05-24 上海法赫桥梁隧道养护工程技术有限公司 Rolling guideway mechanism
CN108930713A (en) * 2018-09-29 2018-12-04 重庆祥格家居有限公司 Slide assemblies
CN110100107A (en) * 2016-10-21 2019-08-06 阿库瑞德国际有限公司 Sliding support assembly

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100402876C (en) * 2002-10-16 2008-07-16 依纳-谢夫勒两合公司 Linear guiding unit
CN100333874C (en) * 2003-09-05 2007-08-29 上银科技股份有限公司 Linear sliding rail having rolling body maintaining device
CN1936554B (en) * 2005-09-22 2010-10-27 同方威视技术股份有限公司 Lifting device with rotating plate
US8066102B2 (en) 2005-09-22 2011-11-29 Nuctech Company Limited Lifting apparatus and safety inspection system
CN105465172A (en) * 2014-09-05 2016-04-06 上银科技股份有限公司 Linear ball sliding rail with high pressing rigidity
CN105465172B (en) * 2014-09-05 2017-11-07 上银科技股份有限公司 Height pushes rigid linear ball slide rail
CN105485163A (en) * 2014-09-17 2016-04-13 上银科技股份有限公司 Linear sliding rail with six columns of rolling balls
CN105485163B (en) * 2014-09-17 2017-12-19 上银科技股份有限公司 Six row ball-type linear slide rails
CN106702832A (en) * 2015-08-05 2017-05-24 上海法赫桥梁隧道养护工程技术有限公司 Rolling guideway mechanism
CN110100107A (en) * 2016-10-21 2019-08-06 阿库瑞德国际有限公司 Sliding support assembly
CN108930713A (en) * 2018-09-29 2018-12-04 重庆祥格家居有限公司 Slide assemblies

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