CN101025193A - Return flow system of linear slide rail - Google Patents
Return flow system of linear slide rail Download PDFInfo
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- CN101025193A CN101025193A CN 200610058021 CN200610058021A CN101025193A CN 101025193 A CN101025193 A CN 101025193A CN 200610058021 CN200610058021 CN 200610058021 CN 200610058021 A CN200610058021 A CN 200610058021A CN 101025193 A CN101025193 A CN 101025193A
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- end cap
- passage
- turning part
- turn
- slide rail
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Abstract
The invention relates to a linear sliding rail return flow system, formed with upper and lower return circuit space between sliding rails, slide blocks jacketed on the sliding rails, and the two sides of each one in two groups of sliding block end covers, respectively, for multiple rolling bodies to make limitless rolling circulation, where one side of the end cover is equipped with upper turning channel and lower turning channel and the other side is equipped with inclined turning channel and U-shaped turning channel, which forms a return flow system integrating cross return flow turning path with split return flow turning path. Thus, the rolling bodies arranged in the return flow spaces only need two installation operations, able to raise production assembly efficiency. Besides, when the rolling bodies in the upper and lower rows make return flow movement, it can make them perform exchange circulation and smoothly turn and make their received force and oil path lubrication uniform, and can increase number of circulating rolling bodies and effectively improve linear sliding rail reliability.
Description
Technical field
The present invention relates to a kind of return-flow system of linear slide rail, particularly pointer forms for most rolling element rolling circuit backflows space for the slide block of slide rail, fit slide rail engages oil-scrapping sheet with two end cap, and designing a kind of especially is the return-flow structure of one in conjunction with staggered form return flow path and split return flow path.
Background technique
Linear slide rail is a kind of mechanism of the guiding of rolling, its structure includes: the oil-scrapping sheet of the slide block of slide rail, fit slide rail, the end cap that connects the slide block two ends, applying end cap and be located at most rolling elements between slide rail, slide block and end cap, be mainly by most rolling elements and between slide block and slide rail, to the turning to of end caps, do the infinite scroll circulation, make load platform to move linearly with highi degree of accuracy easily along slide rail by slide block.
Present known linear slide rail, it is for most rolling element rolling circuit backflow turn-around design, and general the differentiation has split (ball) and two kinds of patterns of staggered form (roller), shown in Fig. 1 (split), Fig. 2 (staggered form).Yet, the backflow that no matter is split (ball) or staggered form (roller) turns to pattern, and its each return flow path is separately independent all separately, has equaled four independently return-flow systems, so that various linear slide rail has following shortcoming or inconvenience in the manufacturing and actual the use:
1, rolling element inconvenience is installed: above-mentioned linear slide rail all has four independently return-flow systems, when manufacturing, need do four bead loadings action.
2, rolling element is lubricated inhomogeneous: the technology of above-mentioned linear slide rail wants evenly to lubricate simultaneously four independently return-flow systems, compares difficulty, because the cause of gravity, following row's rolling element can leave more lubricant grease usually, causes upper and lower two rows' oil mass inequality.
3, the discontinuity of rolling element: when above-mentioned linear slide rail is subjected to forward load, can seriously cause the discontinuity of upper and lower row's rolling element.
Summary of the invention
At the problems referred to above, main purpose of the present invention is to provide a kind of return-flow system of linear slide rail, its slide block at slide rail, fit slide rail engages with two between the both sides of end cap of oil-scrapping sheet, design has in conjunction with staggered form return flow path and split return flow path to be the backflow space of one, to constitute two independences and the opposite return-flow system in path respectively.
Another object of the present invention is to provide a kind of return-flow system of linear slide rail, can be in the backflow space that staggered form return flow path and split return flow path are combined into one in its end cap, the simple oil circuit design of collocation in end cap again can reach the effect of effectively evenly lubricating rolling assembly.
For achieving the above object, the return-flow system of a kind of linear slide rail provided by the present invention, its at slide rail, be sleeved on and be formed with space, loop, space, loop down between the both sides of end cap that slide block and two on the described slide rail is mounted on described slide block two ends respectively, for most rolling element infinite scroll circulations; It is characterized in that: a side of described end cap be provided with turn to passage and under turn to passage, opposite side has inclined and turns to passage and U type to turn to passage, forms a kind of with the staggered form return-flow system that turning path and split backflow turning path be combined as a whole that refluxes.
In the technological scheme of the invention described above, described end cap is made up of end cap body and cover plate, and a side of described end cap be provided with turn to passage and under turn to passage, opposite side has inclined and turns to passage and U type to turn to passage, turn to passage on the corresponding described end cap body of one side of described cover plate, turn to the passage orientation to be provided with turning part and following turning part down, and turn to the passage orientation that the inclined turning part is set at the inclined of the described end cap body of correspondence.
In the above technological scheme of the present invention, described end cap body is provided with the oil circuit that turns to passage, inclined to turn to passage in the connection, and be located at oilhole between described oil circuit, lubricant grease imports described passage, the inclined of turning to from described oilhole through described oil circuit and turns in the passage.
In the above technological scheme of the present invention, described cover plate is provided with and connects the oil circuit of going up turning part, inclined turning part, and the oilhole of being located at described end cap body, and lubricant grease imports described going up in turning part, the inclined turning part from described oilhole through described oil circuit.
In the above technological scheme of the present invention, the last turning part of described cover plate, following turning part and inclined turning part are one of the forming.
In the above technological scheme of the present invention, the last turning part of described cover plate, down turning part and inclined turning part are combined into one with described cover plate for separating independent structures respectively again.
In the above technological scheme of the present invention, described end cap further includes outer end cap, described outer end cap with described end cap body the U type turn to passage saturating empty rear side seal, the supplier just installs most rolling elements.
In the above technological scheme of the present invention, described outer end cap turns to the passage orientation to be formed with the inclined turning part in the U type of the described end cap body of correspondence.
In the above technological scheme of the present invention, turn on the described end cap body passage or under turn to passage to offer hollow part at rear side, described outer end cap is provided with the turning part in the orientation of the described hollow part of correspondence again, and described turning part and described inclined turning part join by linking department and be one.
In the above technological scheme of the present invention, turn on the described end cap body passage or under turn to passage to offer hollow part at rear side, described outer end cap is provided with the turning part in the orientation of the described hollow part of correspondence again, and described turning part and described inclined turning part are independent structures separately.
Adopt above technological scheme, the present invention has only two separate reflowed systems, so only need the operation of twice installation rolling element, can effectively improve the efficiency of assembling in the manufacturing.Because the present invention has only two separate reflowed systems, so rolling element can circulate up and down, only needs to adopt simple oil circuit design, can make the most rolling elements in the same return-flow system evenly lubricated.And the commutative circulation of rolling element of upper and lower two row of the present invention, rolling element is stressed evenly, and can increase the number of circulating rolling body, effectively improves the reliability of linear slide rail.
Description of drawings
Fig. 1 is a kind of schematic representation of commonly using linear slide rail;
Fig. 2 is the schematic representation that another kind is commonly used linear slide rail;
Fig. 3 is the combination appearance figure of linear slide rail of the present invention;
Fig. 4 is the three-dimensional exploded view of linear slide rail of the present invention;
Fig. 5 is the sectional drawing of looking closely of linear slide rail of the present invention;
Fig. 6 is the element exploded view of end cap of the present invention;
Fig. 7 is the assembled sectional view of end cap of the present invention;
Fig. 8 is combined in the action schematic representation of linear slide rail for end cap of the present invention;
Fig. 9 is the schematic representation of another embodiment of the present invention;
Figure 10 is the schematic representation of third embodiment of the invention;
Figure 11 is the schematic representation of fourth embodiment of the invention;
Figure 12 is the schematic representation of fifth embodiment of the invention.
Embodiment
For the effect that describes structure of the present invention in detail and reached, the existing act under following preferred embodiment and the conjunction with figs. explanation.
As Fig. 3～shown in Figure 5, be the return-flow system of linear slide rail provided by the present invention, it mainly includes: the slide block 2 of a slide rail 1, a fit slide rail 1, the end cap at two closing slide blocks, 2 two ends 3, two engage oil-scrapping sheet 4 and most rolling element 5 of end caps 3.Being formed with space, upper and lower loop between the both sides of slide rail 1, slide block 2 and end cap 3 (does not have numbering, as shown in Figure 5), circulates for most rolling element 5 infinite scroll among the figure.
As shown in Figure 6, be the assembly exploded view of end cap of the present invention.The main emphasis of the present invention is characterised in that: end cap 3 is made of end cap body 31, cover plate 32 and outer end cap 33, wherein:
One side of end cap body 31 be provided with turn to passage 311 and under turn to passage 312, two to turn to passage 311,312 to be to be separated from each other shape.Opposite side has inclined and turns to passage 313, turns to passage 313 to be the corresponding U type of staggered form with inclined to turn to passage 314, turn to passage 314 to be permeable type towards the rear side in oil-scrapping sheet 4 orientation to the U type, most rolling elements 5 can conveniently be installed.Be provided with towards the surface in slide block 2 orientation in addition and can connect the oil circuit 315 that turns to passage 311, inclined to turn to passage 313 at end cap body 31, and the oilhole 316 of being located at 315 of oil circuits, turn to passage 311, inclined to turn to passage 313 in from oilhole 316 through oil circuit 315 importings for lubricant grease.
Turn to passage 311 on the corresponding end cap body 31 of one side of cover plate 32, turn to passage 312 orientation to be provided with turning part 321, following turning part 322 down, the two is and is separated from each other shape, and turns to passage 313 orientation that inclined turning part 323 is set at the inclined of corresponding end cap body 31.
Again as shown in Figure 7, be the assembled sectional view of end cap of the present invention.
The end cap body 31 that end cap 3 is had, cover plate 32 and outer end cap are established the mode of execution that applies to linear slide rail for 33 groups, can get two identical cover plates 32 earlier and be individually fixed in the two ends of slide block 2, then get two identical end cap bodies 31 more respectively to turn to passage 311 on it, turn to passage 312 and inclined to turn to the last turning part 321 of passage 313 corresponding cover plates 32 down, following turning part 322 covers fixing with inclined turning part 323, this moment each end cap body 31 the U type turn to passage 314 above two of front side corrects corresponding respectively slide block 2 roll channel 21 and the scroll space of slide rail 1 below being positioned at when combining with slide block 2 (as Fig. 6, shown in Figure 8) locate, and the both sides after each cover plate 32 and 31 combinations of end cap body form cross-like respectively, separately the loop of shape turns to tendency, and the steering position of the cross-like of one cover plate 32 and end cap body 31 is connected with the steering position that separates shape of another cover plate 32 and end cap body 31, relatively the steering position of the separately shape of one cover plate 32 and end cap body 31 then is connected with the steering position of the cross-like of another cover plate 32 and end cap body 31, makes the both sides of linear slide rail all have the formation cross-like, separate the space, loop that shape is combined as a whole.At last, the U type of getting outer end cap 33 corresponding end cap bodies 31 turns to passage 314 to form empty rear side after most rolling elements 5 are installed, and seals fixingly, promptly finishes the group of end cap 3 and establishes.
As shown in Figure 8, be combined in the action schematic representation of linear slide rail for end cap of the present invention.By turning to passage 311 on end cap body 31 both sides, under turn to passage 312, inclined turns to passage 313, on the corresponding cover plate 32, following (separately shape) turning part 321,322, covering of inclined turning part 323, and the U type that utilizes outer end cap 33 corresponding end cap bodies 31 turns to the sealing of passage 314, make the both sides of end cap 3 have staggered form backflow turning path respectively, split backflow turning path, more make the isostructural end cap 3 of two-phase behind slide block 2 two ends that are mounted on fit slide rail 1 respectively, wherein the backflow turning path of the backflow turning path of an end cap 3 and another end cap 3 is opposite orientation.
Promptly, when most rolling elements 5 from end cap 3 turn to passage 311 to flow to another end cap 3 time, promptly the U type by another end cap 3 turns to passage 314 to produce from top to bottom rotary current to the following passage 312 that turns to of an end cap 3 wherein, the inclined that flow to another end cap 3 of taking advantage of a situation again turns to passage 313, utilize the inclined of another end cap 3 turn to passage 313 produce from bottom to top rotary current to, with most rolling elements 5 be back to once more end cap 3 on turn to passage 311, constantly between slide block 2 and slide rail 1, do infinite scroll circulation then.
Thus, by end cap 3 of the present invention with the be combined as a whole design of structure of staggered form return flow path and split return flow path, make linear slide rail in manufacturing and using, compare with the aforementioned known techniques that has the linear slide rail of staggered form return-flow system, split return-flow system respectively, obviously have following characteristics:
1, the present invention has only two separate reflowed systems, so only need the operation of twice installation rolling element, can effectively improve the efficiency of assembling in the manufacturing.
2, the present invention has only two separate reflowed systems, and most rolling elements 5 can circulate up and down, and only need adopt simple oil circuit design, can make the most rolling elements 5 in the same return-flow system evenly lubricated.
3, most rolling elements 5 commutative circulations of upper and lower two row of the present invention, most rolling element 5 is stressed evenly also can to increase the number of circulating rolling body 5, can effectively improve the reliability of linear slide rail.
In addition, the present invention be for each structure that makes end cap 3 can have the selection of more kinds of making forms, and other uses the embodiment of kenels also to have designed end cap body 31, cover plate 32 and outer end cap 33, enumerates being described as follows:
1, as shown in Figure 9, the oil circuit 315 of end cap body 31 is replaced by cover plate 32, promptly on cover plate 32, offer oil circuit 324, oil circuit 324 joins with last turning part 321, inclined turning part 323, make the outside lubricant grease of introducing to bring the oil circuit 324 of cover plate 32 into by the oilhole 316 of end cap body 31, import again and go up turning part 321, inclined turning part 323 to most rolling elements 5.
2, as shown in figure 10, the upper and lower turning part 321,322 of cover plate 32 and inclined turning part 323 are except can adopting integrally formed form, also can adopt and separate the structure that independent recombinant is an one respectively, upper and lower turning part 321,322 and inclined turning part 323 can be manufactured separately respectively, establish for 32 groups with cover plate again.
3, as shown in figure 11, turn to passage 311 on the end cap body 31 or turn to passage 312 offering hollow part 317 towards the rear side of oil-scrapping sheet 4 down, in the orientation of outer end cap 33 corresponding hollow parts 317 turning part 332 is set again, and turning part 332 joins by linking department 333 with inclined turning part 331 and is one.
4, as shown in figure 12, turn to passage 311 on the end cap body 31 or turn to passage 312 offering hollow part 317 towards the rear side of oil-scrapping sheet 4 down, in the orientation of outer end cap 33 corresponding hollow parts 317 turning part 332 is set again, and turning part 332 and inclined turning part 331 are independent structures separately, can adopt respectively the separately mode of making.
The above is preferred embodiment of the present invention only, is not to be used for limiting scope of patent protection of the present invention, and all equivalent structure transformations of doing according to specification of the present invention, claims and accompanying drawing all should be included in the scope of patent protection of the present invention.
Claims (10)
1, a kind of return-flow system of linear slide rail, its at slide rail, be sleeved on and be formed with space, loop, space, loop down between the both sides of end cap that slide block and two on the described slide rail is mounted on described slide block two ends respectively, for most rolling element infinite scroll circulations; It is characterized in that:
One side of described end cap be provided with turn to passage and under turn to passage, opposite side has inclined and turns to passage and U type to turn to passage, forms a kind of with the staggered form return-flow system that turning path and split backflow turning path be combined as a whole that refluxes.
2, the return-flow system of linear slide rail as claimed in claim 1, it is characterized in that: described end cap is made up of end cap body and cover plate, and a side of described end cap be provided with turn to passage and under turn to passage, opposite side has inclined and turns to passage and U type to turn to passage, turn to passage on the corresponding described end cap body of one side of described cover plate, turn to the passage orientation to be provided with turning part and following turning part down, and turn to the passage orientation that the inclined turning part is set at the inclined of the described end cap body of correspondence.
3, the return-flow system of linear slide rail as claimed in claim 2, it is characterized in that: described end cap body is provided with the oil circuit that turns to passage, inclined to turn to passage in the connection, and be located at oilhole between described oil circuit, lubricant grease imports described passage, the inclined of turning to from described oilhole through described oil circuit and turns in the passage.
4, the return-flow system of linear slide rail as claimed in claim 2, it is characterized in that: described cover plate is provided with and connects the oil circuit of going up turning part, inclined turning part, and the oilhole of being located at described end cap body, lubricant grease imports described going up in turning part, the inclined turning part from described oilhole through described oil circuit.
5, the return-flow system of linear slide rail as claimed in claim 2 is characterized in that: the last turning part of described cover plate, following turning part and inclined turning part are one of the forming.
6, the return-flow system of linear slide rail as claimed in claim 2 is characterized in that: the last turning part of described cover plate, down turning part and inclined turning part are combined into one with described cover plate for separating independent structures respectively again.
7, the return-flow system of linear slide rail as claimed in claim 2 is characterized in that: described end cap further includes outer end cap, described outer end cap with described end cap body the U type turn to passage saturating empty rear side seal, the supplier just installs most rolling elements.
8, the return-flow system of linear slide rail as claimed in claim 7 is characterized in that: described outer end cap turns to the passage orientation to be formed with the inclined turning part in the U type of the described end cap body of correspondence.
9, the return-flow system of linear slide rail as claimed in claim 7, it is characterized in that: turn on the described end cap body passage or under turn to passage to offer hollow part at rear side, described outer end cap is provided with the turning part in the orientation of the described hollow part of correspondence again, and described turning part and described inclined turning part join by linking department and be one.
10, the return-flow system of linear slide rail as claimed in claim 7, it is characterized in that: turn on the described end cap body passage or under turn to passage to offer hollow part at rear side, described outer end cap is provided with the turning part in the orientation of the described hollow part of correspondence again, and described turning part and described inclined turning part are independent structures separately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100580214A CN100480526C (en) | 2006-02-24 | 2006-02-24 | Return flow system of linear slide rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100580214A CN100480526C (en) | 2006-02-24 | 2006-02-24 | Return flow system of linear slide rail |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101025193A true CN101025193A (en) | 2007-08-29 |
| CN100480526C CN100480526C (en) | 2009-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100580214A Active CN100480526C (en) | 2006-02-24 | 2006-02-24 | Return flow system of linear slide rail |
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| CN (1) | CN100480526C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345675A (en) * | 2011-10-22 | 2012-02-08 | 威海利奥泰儆自动化设备有限公司 | Aluminium-based dual-roller path ball linear guide rail pair |
| CN101994759B (en) * | 2009-08-27 | 2012-11-14 | 上银科技股份有限公司 | Refluxing system for linear sliding rail |
| CN102840235A (en) * | 2011-06-24 | 2012-12-26 | 上银科技股份有限公司 | Linear slide rail with reflux system and assembling method thereof |
| CN106151267A (en) * | 2015-05-13 | 2016-11-23 | 罗伯特·博世有限公司 | There is the guiding car of lubrication groove and plastic sheeting |
| CN112228455A (en) * | 2019-07-15 | 2021-01-15 | Thk株式会社 | Motion guide device and lubrication path member used in motion guide device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI500857B (en) * | 2012-11-28 | 2015-09-21 | Tbi Motion Technology Co Ltd | Motion main body of ball motion module and process method thereof |
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2006
- 2006-02-24 CN CNB2006100580214A patent/CN100480526C/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101994759B (en) * | 2009-08-27 | 2012-11-14 | 上银科技股份有限公司 | Refluxing system for linear sliding rail |
| CN102840235A (en) * | 2011-06-24 | 2012-12-26 | 上银科技股份有限公司 | Linear slide rail with reflux system and assembling method thereof |
| CN102840235B (en) * | 2011-06-24 | 2015-03-04 | 上银科技股份有限公司 | Linear slide rail with reflux system and assembling method thereof |
| CN102345675A (en) * | 2011-10-22 | 2012-02-08 | 威海利奥泰儆自动化设备有限公司 | Aluminium-based dual-roller path ball linear guide rail pair |
| CN106151267A (en) * | 2015-05-13 | 2016-11-23 | 罗伯特·博世有限公司 | There is the guiding car of lubrication groove and plastic sheeting |
| CN106151267B (en) * | 2015-05-13 | 2019-09-10 | 罗伯特·博世有限公司 | Guiding vehicle with lubrication groove and plastic film |
| CN112228455A (en) * | 2019-07-15 | 2021-01-15 | Thk株式会社 | Motion guide device and lubrication path member used in motion guide device |
| CN112228455B (en) * | 2019-07-15 | 2023-10-31 | Thk株式会社 | Motion guide device and lubrication path member used in motion guide device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100480526C (en) | 2009-04-22 |
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