CN103047282A - Rolling ball retention chain capable of torsional operation and linear movement mechanism composed of same - Google Patents
Rolling ball retention chain capable of torsional operation and linear movement mechanism composed of same Download PDFInfo
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- CN103047282A CN103047282A CN2011103081350A CN201110308135A CN103047282A CN 103047282 A CN103047282 A CN 103047282A CN 2011103081350 A CN2011103081350 A CN 2011103081350A CN 201110308135 A CN201110308135 A CN 201110308135A CN 103047282 A CN103047282 A CN 103047282A
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- rolling element
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- chain
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Abstract
The invention discloses a rolling element retention chain capable of torsional operation and a linear movement mechanism composed of the same. The rolling element retention chain is provided with a flat long strip; holes arranged in an axial direction are disposed on the strip; separation sheets are formed between holes to separate two holes, and is combined with upper and lower separation blocks; a groove is disposed between the upper separation block and the separation sheet and between the lower separation block and the separation sheet; the grooves are mutually staggered on different sides, such as the left side and the right side, of the upper and lower separation blocks; therefore, when the rolling element runs in a circulation channel which is not perpendicular to the retention chain surface, the separation blocks of the retention chain generate torsional deformation so as to overcome bending resistance.
Description
Technical field
The present invention relates to the linear movement mechanism that a kind of rolling element that reverses operation keeps chain and composition thereof.
Background technique
There is the movement parts and can axially extended orbital member in the existing linear movement mechanism, movement parts respectively provides at least one row mutual corresponding track with orbital member, there is a row rolling element to contact with track between the track and in orbit rolling, movement parts and to each row mutually corresponding track one backflow beeline channel and two slalom courses are provided, slalom course connects the end face gateway of backflow beeline channel and track, form a circulation canal, so that rolling element can enter the backflow beeline channel via slalom course from track regions, from the backflow beeline channel and again via slalom course injection district, therefore rolling element can circular flow in circulation canal, by the rolling of rolling element, movement parts is able to move along the unlimited stroke of track ground on orbital member.
For avoiding rolling element to run foul of each other between any two, in No. the 5927858th, U. S. Patent, between ball, provide the design of spacer block; Because the gap between spacer block and the ball, so that spacer block easily tilts, skew causes and can't smoothly move and interfere with each other with circulation canal.
In addition, disclose the design of ball connection chain in U. S. Patent the 5947605th and No. 6155718 etc., the ball connection chain has the elongated bar of two axially-aligned and spacer block is coupled together in the axially-aligned mode, ball is placed between the spacer block and is held, because the ball connection chain becomes the prolate strip, pliability by the prolate bar, the ball connection chain can be that flat direction (being designated hereinafter simply as ball connection chain face) is unhinderedly crooked perpendicular to the plane that is made of two elongated bar, but larger rigidity is arranged in the vertical direction, can produce resistance when crooked toward this direction.Therefore, this design is only suitable for also reaching ball connection chain curving movement on two-dimensional space on circulation canal is positioned at the plane of vertical ball connection chain face fully; The ball connection chain must be crooked toward favouring ball connection chain face direction when circulation canal is not exclusively on this plane, must overcome the resistance toward the Vertical direction bending, and therefore, this design will produce impedance and operation has some setbacks.
Therefore, the present inventor once proposed TaiWan, China patent of invention I273185 number: ball chain, the disappearance that when reversing operation, has some setbacks to solve the ball connection chain, described ball chain is made of many tandem balls of row and an axially extended spacer chain; Spacer chain provides a plurality of tandem potholes, and ball is positioned at wherein.Spacer chain comprises a plurality of tandem spacer blocks, and spacer block is separated by ball between ball in twos; Article at least two, extend axially leptosomatic elastic strip and horizontal expansion elasticity linking strip.Elasticity linking strip two ends link elastic strip, and middle and spacer block is done elasticity and linked; And keep the elasticity linking strip to have extreme length and enough elasticity, and can be more freely crooked all around, spacer block also can link the rotation inclination that links the row culture all directions with respect to elasticity via elasticity.Therefore this ball chain has enough degrees of freedom to be able to smoothly operation under the three-dimensional space changes in the nyctitropic circulation canal with very little resistance.
Wherein, the present inventor further finds, although the ball chain that front case TaiWan, China patent of invention proposes for I273185 number links elastic strip at elasticity linking strip two ends, the structure that middle and spacer block is done the elasticity link makes the maintenance chain have the degrees of freedom of high torsional deflection, but because spacer block and elasticity linking strip connecting area are less, under the cyclic bending deformation operation of persistency, have the doubt of strength deficiency, simultaneously this structure forms short slot and has the ball coating face that keeps chain to clasp the ball effect slightly not good between ball coats face and elasticity linking strip, moves the shortcoming that has some setbacks so that ball has.
In view of this, the inventor is not for attaining perfect many disappearances and the inconvenience that causes on the above-mentioned rolling element chain structural design, and deeply design, and the active research improvement has a fling at and development and Design goes out this case.
Summary of the invention
The object of the present invention is to provide a kind of rolling element to clasp effective, and can do suitable torsional deflection to overcome the maintenance chain structure of reversing operation of bending resistance.
In order to reach above-mentioned purpose, solution of the present invention is:
A kind of rolling element that reverses operation keeps chain, include flat rectangular and a plurality of spacer blocks, wherein the flat rectangular axially-aligned hole that has forms partition and separates two holes between the hole, and spacer block is divided into spacer block and lower spacer block and is incorporated into respectively the relative both sides of partition;
Include respectively a short slot between aforementioned upper spacer block and lower spacer block and the aforementioned partition, and short slot is misplaced mutually in the left and right sides of upper spacer block and lower spacer block different edge.
Above-mentioned hole forms a hole face between flat rectangular Vertical direction and two spacer blocks, the face that upper spacer block is adjacent with hole with lower spacer block is an even surface, the part of this even surface is rolling element and coats face, and smoothly join with flat hole face on rectangular, and the hole face coats face with the rolling element of adjacent upper spacer block or lower spacer block again and smoothly joins and form upper coating face or lower coating face, rolling element coats face and has an opening, the opening tangent direction that another part of even surface then coats face along rolling element is a curved surface and stretches out, upper coating face or the lower oblique side direction of coating face opening direction are between flat rectangular axial vertical surface and axial horizontal side, the rolling element coating face of upper spacer block and lower spacer block is misplaced and is disposed at respectively left and right sides different edge, and opening direction is opposite, and aforementioned short slot position is the curved surface part of the even surface under upper spacer block and lower spacer block then.
Above-mentioned rolling element coating face is spherical coating face.
Above-mentioned rolling element coating face is cylindric coating face.
Above-mentioned curved surface is barrel surface.
Above-mentioned curved surface is conical surface.
The present invention also uses the above-mentioned rolling element that reverses operation to keep the linear movement mechanism of chain for a kind of, comprising:
One guide member arranges one first track to being less than the one side;
One pedestal, be cross-placed on this guide member, it is to arranging one second track by the first track, and two ends respectively arrange a turning channel on the second track, the other end of turning channel is connected by a backflow beeline channel, this second track, turning channel and backflow beeline channel form a circulation canal, and the guide channel of at least one sealing is set in this circulation canal;
This rolling element keeps at least one side of the flat rectangular both sides of chain to be positioned at guide channel, and within this rolling element keeps the hole of chain, establish respectively into a rolling element, this rolling element keep chain and those rolling elements by the rolling of rolling element in circulation canal shuttling movement.
After adopting said structure, the present invention can reverse the flat rectangular hole face of the rolling element maintenance chain of operation, the formed opening bore of the spherical coating face of upper spacer block and lower spacer block is less than ball diameter, can really ball be restrained and remain in the flat rectangular hole, therefore ball does not have the situation of inclination, skew in hole, and ball can not produce with circulation canal and interfere with each other, and has good rolling element and clasps effect; When ejection formation, reserve a short slot between the curved surface part of the even surface under upper spacer block and the lower spacer block and the partition, so that keep chain to be used in when keeping the circulation canal operation of chain face, keep the upper and lower spacer block of chain can produce torsional deflection and overcome crooked resistance, and enough strength of connections are arranged between upper and lower spacer block and partition, and rolling element coats face and also can provide enough binding forcees to rolling element simultaneously.
Description of drawings
Fig. 1 is the upper right plan view that ball of the present invention keeps chain;
Fig. 2 is that ball of the present invention keeps chain and becomes row ball oblique drawing;
Fig. 3 is the A-A cross section view among Fig. 1;
Fig. 4 is the B-B cross section view among Fig. 1;
Fig. 5 is the C-C cross section view among Fig. 1;
Fig. 6 is that ball of the present invention keeps chain and the schematic diagram that becomes the row ball in the circulation canal of linear movement mechanism;
Fig. 7 is the present invention's not schematic diagram on the vertical surface T1 of guiding face H1 of beeline channel that refluxes;
Fig. 8 is that ball of the present invention keeps chain to bear the schematic diagram of resistance distortion at turning channel.
The primary component symbol description
1 ball keeps chain 2 flat rectangular 21 holes
Spacer block on 22 partitions, 3 spacer blocks 31
32 times spacer blocks 33,34 even surfaces
The spherical coating face 33b of 33a, 34a, 34b curved surface
38 times coating faces of coating face on the 35 hole faces 37
39 openings, 4 short slots, 5 balls
9 slide rails, 91 first tracks, 10 pedestals
11 end caps, 101 second tracks, 100 circulation canals
110 guide channels, 120 backflow beeline channels, 130 turning channels
E1, e2 opening bore ψ d ball diameter
The spherical coating face 33a of N1, N2,34a opening direction
Vertical direction on the flat rectangular cross section of V
Substantially horizontal on the flat rectangular cross section of H
H1, H2 guiding face T1, T2 vertical surface
The formed plane of ball central point in the ball central point of C1 backflow beeline channel and the first track and the second track
Φ 1 plane C1 and vertical surface T1 angulation
Displacement between Δ vertical surface T1 and the vertical surface T2.
Embodiment
In order further to explain technological scheme of the present invention, the present invention will be described in detail below by specific embodiment.
See also shown in Figure 1, the present invention is that a kind of rolling element keeps chain, keep chain 1 as example (also can be the maintenance chain for roller) take ball, this ball keep chain 1 design by one flat rectangular 2 and a plurality of spacer block 3 form, wherein flat rectangular 2 have axially-aligned hole 21, form a partition 22 between the hole 21 and separate in twos hole 21, spacer block 3 is incorporated on the partition 22, spacer block 3 is divided into spacer block 31 and lower spacer block 32, and hole 21 forms a hole face 35 between flat rectangular 2 Vertical direction and two spacer blocks 3; As shown in Figure 2, the ball 5 of one one-tenth row is spaced apart piece 3 and is separated by in twos and is held in the hole 21, ball 5 separates in twos whereby, when ball 5 rolls in the circulation canal of aftermentioned linear movement mechanism (seeing also Fig. 6), can not run foul of each other between the adjacent ball 5, ball 5 can be rolled smoothly.
Again as shown in Figure 1, upper spacer block 31 and lower spacer block 32 are an even surface 33 with the corresponding face of hole 21 respectively, 34, this even surface 33, a part of 34 is to be the spherical coating face 33a that is slightly larger than ball 5, if 34a(is used in the maintenance chain of roller, then for cylindric coating face) and smoothly join with hole face 35 on flat rectangular 2, via hole face 35 again with the spherical coating face 33a of adjacent upper spacer block 31 or lower spacer block 32,34a smoothly joins and forms upper coating face 37 and the lower coating face 38 of ball 5, such as Fig. 4 and shown in Figure 5, on, lower spherical coating face 33a, the end that 34a does not join with hole face 35 is at aforementioned even surface 33, form an opening 39 on 34; Upper and lower spherical coating face 33a, 34a are disposed at respectively left and right sides different edge, and the opening 39 direction N1 of upper and lower spherical coating face 33a, 34a, N2 opposite direction, opening 39 direction N1, the N2 of upper and lower spherical coating face 33a, 34a is between the Vertical direction V and substantially horizontal H on flat rectangular 2 cross sections, as shown in Figure 3.
For another example Fig. 4 and shown in Figure 5, because flat rectangular 2 hole face 35, the spherical coating face 33a of upper spacer block 31 and lower spacer block 32, the formed opening bore of 34a e1, e2 are less than ball diameter ψ d, can really ball 5 be restrained and remain in flat rectangular 2 the hole 21, therefore ball 5 does not have the situation of inclination, skew in hole 21, and ball 5 can not interfere with each other with the circulation canal generation; As spherical coating face 33a, 34a opening direction N1, when N2 more favours flat rectangular 2 substantially horizontal H, spherical coating face 33a, 34a are larger, and Vertical direction V is also larger to the binding force of ball 5, as shown in Figure 3.
As shown in Figure 3, on, lower spherical coating face 33a, the opening 39 direction N1 of 34a, N2 is between the Vertical direction V and substantially horizontal H on flat rectangular 2 cross sections, therefore when the ejection formation ball keeps chain 1, the demoulding by oblique side direction, can form whole balls at a jetting process and keep chain 1, and as shown in Figures 1 and 2, the even surface 33 of upper spacer block 31 and lower spacer block 32,34 another parts are then along spherical coating face 33a, the tangent direction of 34a opening 39 stretches out to penetrate and is cylindric or cone shape curved surface 33b, 34b, and make the even surface 33 under the spacer block 31 and lower spacer block 32 on this, 34 curved surface 33b, include a short slot 4 between 34b part and the aforementioned partition 22, aforementioned ball 5 is cylindric or coniform curved surface 33b with upper spacer block 31 and lower spacer block 32, can be used as an oil storage space between the 34b in order to store the usefulness of lubricant grease.
As shown in Figure 6, above-mentioned ball keeps chain 1 to be used in a linear movement mechanism, and such as linear slide rail, wherein linear slide rail comprises a slide rail 9, and at least one the first track 91 is set in the side; One pedestal 10, be cross-placed on this slide rail 9, it is to arranging one second track 101 by the first track 91, and at pedestal 10 two ends one end cap 11 is set respectively, end cap 11 provides at least one turning channel 130, one end of turning channel 130 is connected in the end of the second track 101, and the other end then is connected with the backflow beeline channel 120 that pedestal 10 provides; The second track 101, turning channel 130 and backflow beeline channel 120 form a circulation canal 100; The circulation canal 100 interior guide channels 110 that arrange.In keeping chain 1 and remain on hole 21, ball become row ball 5 when the circulation canal 100 interior circulating rollings of linear movement mechanism move; Flat rectangular 2 both sides of this ball maintenance chain 1 are positioned at guide channel 110 and are guided, to guarantee that ball keeps chain 1 to move in the tram, in the first track 91 and the second track 101, roll by ball 5 simultaneously so that pedestal 10 can be on slide rail 9 along the first track 91 unlimited strokes move.
As shown in Figure 7, wherein guide channel 110 has consisted of guiding face H1 the first track 91 and the second track 101 are interior, at backflow beeline channel 120 interior formation guiding face H2, for making backflow beeline channel 120 that the optimal design position can be arranged, backflow beeline channel 120 not necessarily will be on the vertical surface T1 of guiding face H1, and the formed plane C1 of ball 5 central points in ball 5 central points of backflow beeline channel 120 and the first track 91 and the second track 101 and the vertical surface T1 of guiding face H1 form an angle Φ 1, therefore the vertical surface T1 of guiding face H1 produces displacement with the vertical surface T3 of guiding face H2, produces resistance so can produce torsional deformation when ball maintenance chain 1 enters turning channel 130 in by the first track 91 and the second track 101.
See also shown in Figure 8, therefore the present invention forms the buffer area of aforementioned short slot 4 shapes between upper spacer block 31 and lower spacer block 32 and partition 22, so that ball keeps chain 1 when entering turning channel 130, can be by the curved surface 33b of upper spacer block 31 and lower spacer block 32, the 34b part is towards flat rectangular 2 partition 22 bending deflections, reduce the resistance that turning channel 130 causes in the continuous variable height of turning channel 130 generations because of the level difference with displacement, make whereby ball keep chain 1 when work, to bear lower drag, and have enough binding forcees to ball 5, and can be in circulation canal 100 interior smooth-going operations, junction at upper spacer block 31 and lower spacer block 32 and partition 22 has enough strength of connections simultaneously, can bear the work of the cyclic bending distortion of persistency.
Above-described embodiment and accompanying drawing and non-limiting product form of the present invention and style, any person of an ordinary skill in the technical field all should be considered as not breaking away from patent category of the present invention to its suitable variation or modification of doing.
Claims (7)
1. the rolling element that can reverse operation keeps chain, include flat rectangular and a plurality of spacer blocks, wherein the flat rectangular axially-aligned hole that has forms partition between the hole, partition is separated two holes, and spacer block is divided into spacer block and lower spacer block and is incorporated into respectively the relative both sides of partition;
It is characterized in that:
Include respectively a short slot between aforementioned upper spacer block and lower spacer block and the aforementioned partition, and short slot is misplaced mutually in the left and right sides of upper spacer block and lower spacer block different edge.
2. the rolling element that reverses operation as claimed in claim 1 keeps chain, it is characterized in that: this hole forms a hole face between flat rectangular Vertical direction and two spacer blocks, the face that upper spacer block is adjacent with hole with lower spacer block is an even surface, the part of this even surface is rolling element and coats face, and smoothly join with flat hole face on rectangular, and the hole face coats face with the rolling element of adjacent upper spacer block or lower spacer block again and smoothly joins and form upper coating face or lower coating face, rolling element coats face and also has an opening, the opening tangent direction that another part of even surface then coats face along rolling element is a curved surface and stretches out, upper coating face or lower coating face opening direction are between flat rectangular axial vertical surface and axial horizontal side, the rolling element coating face of upper spacer block and lower spacer block is misplaced and is disposed at respectively left and right sides different edge, and opening direction is opposite, and aforementioned short slot position is the curved surface part of the even surface under upper spacer block and lower spacer block then.
3. the rolling element that reverses operation as claimed in claim 2 keeps chain, and it is characterized in that: this rolling element coating face is spherical coating face.
4. the rolling element that reverses operation as claimed in claim 2 keeps chain, and it is characterized in that: this rolling element coating face is cylindric coating face.
5. the rolling element that reverses operation as claimed in claim 2 keeps chain, and it is characterized in that: this curved surface is barrel surface.
6. the rolling element that reverses operation as claimed in claim 2 keeps chain, and it is characterized in that: this curved surface is conical surface.
7. a right to use requires 1 to 6 each described rolling element that reverses operation to keep the linear movement mechanism of chain, it is characterized in that, comprising:
One guide member arranges one first track to being less than the one side;
One pedestal, be cross-placed on this guide member, it is to arranging one second track by the first track, and two ends respectively arrange a turning channel on the second track, the other end of turning channel is connected by a backflow beeline channel, this second track, turning channel and backflow beeline channel form a circulation canal, and the guide channel of at least one sealing is set in this circulation canal;
This rolling element keeps at least one side of the flat rectangular both sides of chain to be positioned at guide channel, and within this rolling element keeps the hole of chain, establish respectively into a rolling element, this rolling element keep chain and those rolling elements by the rolling of rolling element in circulation canal shuttling movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110308135.0A CN103047282B (en) | 2011-10-12 | 2011-10-12 | Rolling ball retention chain capable of torsional operation and linear movement mechanism composed of same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110308135.0A CN103047282B (en) | 2011-10-12 | 2011-10-12 | Rolling ball retention chain capable of torsional operation and linear movement mechanism composed of same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103047282A true CN103047282A (en) | 2013-04-17 |
| CN103047282B CN103047282B (en) | 2015-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110308135.0A Active CN103047282B (en) | 2011-10-12 | 2011-10-12 | Rolling ball retention chain capable of torsional operation and linear movement mechanism composed of same |
Country Status (1)
| Country | Link |
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| CN (1) | CN103047282B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109281935A (en) * | 2017-07-19 | 2019-01-29 | 银泰科技股份有限公司 | Linear guide |
| CN109780055A (en) * | 2017-11-15 | 2019-05-21 | 锕玛科技股份有限公司 | The chain belt retainer of mobile guiding device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1196779A (en) * | 1996-06-27 | 1998-10-21 | 蒂业技凯株式会社 | Slide guide and its open roller chain |
| CN1095946C (en) * | 1996-06-18 | 2002-12-11 | Thk株式会社 | Linear motion guide apparatus equipped with plurality of rows of ball chains |
| US20070065054A1 (en) * | 2003-11-05 | 2007-03-22 | Danly Iem, Llc | Apparatus to manufacture a post ball bearing with helical arrangement of pocket holes and its product |
| CN101016918A (en) * | 2006-02-07 | 2007-08-15 | 直得科技股份有限公司 | Ball chain |
| EP2060204B1 (en) * | 2007-11-14 | 2010-10-20 | Aktiebolaget SKF | Linear rolling bearing |
| CN102192240A (en) * | 2010-03-09 | 2011-09-21 | 直得科技股份有限公司 | Ball maintenance chain, its preparation method and linear movement mechanism |
-
2011
- 2011-10-12 CN CN201110308135.0A patent/CN103047282B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1095946C (en) * | 1996-06-18 | 2002-12-11 | Thk株式会社 | Linear motion guide apparatus equipped with plurality of rows of ball chains |
| CN1196779A (en) * | 1996-06-27 | 1998-10-21 | 蒂业技凯株式会社 | Slide guide and its open roller chain |
| US20070065054A1 (en) * | 2003-11-05 | 2007-03-22 | Danly Iem, Llc | Apparatus to manufacture a post ball bearing with helical arrangement of pocket holes and its product |
| CN101016918A (en) * | 2006-02-07 | 2007-08-15 | 直得科技股份有限公司 | Ball chain |
| EP2060204B1 (en) * | 2007-11-14 | 2010-10-20 | Aktiebolaget SKF | Linear rolling bearing |
| CN102192240A (en) * | 2010-03-09 | 2011-09-21 | 直得科技股份有限公司 | Ball maintenance chain, its preparation method and linear movement mechanism |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109281935A (en) * | 2017-07-19 | 2019-01-29 | 银泰科技股份有限公司 | Linear guide |
| CN109281935B (en) * | 2017-07-19 | 2020-04-07 | 银泰科技股份有限公司 | Linear guide device |
| CN109780055A (en) * | 2017-11-15 | 2019-05-21 | 锕玛科技股份有限公司 | The chain belt retainer of mobile guiding device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103047282B (en) | 2015-07-22 |
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