CN103016521A - Linear sliding rail having limited travel - Google Patents
Linear sliding rail having limited travel Download PDFInfo
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- CN103016521A CN103016521A CN2011102849175A CN201110284917A CN103016521A CN 103016521 A CN103016521 A CN 103016521A CN 2011102849175 A CN2011102849175 A CN 2011102849175A CN 201110284917 A CN201110284917 A CN 201110284917A CN 103016521 A CN103016521 A CN 103016521A
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Abstract
The invention discloses a linear sliding rail having a limited travel. The linear sliding rail having a limited travel comprises a rail bar, a slider, multiple rolling elements and a retaining device. The retaining device mainly comprises a body member and two retaining members. The two retaining members are fixed respectively to two sides of the body member. A retaining part of each one of the retaining members is provided with multiple retaining bodies arranged axially. Each one of the retaining bodies has a concave part and each one of two sides of the concave part has a concave retaining surface. A receiving part is arranged between each adjacent two of the retaining bodies and the receiving part is used for receiving the rolling elements. A distance between the two opposite concave retaining surfaces of each adjacent two of the retaining bodies is more than a diameter of the rolling element. A distance between each adjacent two of the retaining bodies is less than the diameter of the rolling element. The retaining device has an axial expansion function and guarantees that the rolling elements are not disengaged by extrusion in installation.
Description
Technical field
The present invention relates to a kind of Linear transmission assembly, espespecially a kind of linear slide rail of limited travel.
Background technique
Linear modules is industrial transmitting assemblies commonly used, and it is used the place that must carry out linear motion in various machine in large quantities, be used for travelling workpiece, transport goods or arrange the various purposes such as workpiece.Be not difficult thus to find that linear modules plays the part of the relevant key player of transmission in industry, with and the operation characteristic that need often move during work.
To this, in order to meet the industry demand of more diversification, the specification of Linear transmission assembly is more and more polynary change also, announce Patent Case No. 552357 such as TaiWan, China, it discloses a kind of linear slide rail design of limited travel, be that a ㄇ font is positioned at the gap between slide and slide rail by the disclosed distance piece of this case, the orbital position that distance piece provides in the slide rail slide has a row through hole, this through hole is slightly larger than rolling element, rolling element is positioned at wherein and mutually to be separated and maintains a certain distance, and rolling element rolls and drives distance piece at interorbital and moves when slide slides against slide rail.In addition, this distance piece provides rolling element to keep the through hole of separating, and there are two lugs that lift out outward at the through hole edge, and the spacing of two lugs is less than the diameter of rolling element, and therefore rolling element is stopped by lug and can't outwards drop.But the structural design of this kind distance piece has following problem points after practicality:
1, rolling element is spaced apart in twos by through hole, and causes the quantity that can install rolling element to reduce, and relative load carrying capacity also can descend.
2, distance piece not tool extend axially function, so and the quantity that can't expand distance piece, versatility is reduced.
3, the set lug of bore periphery is local the maintenance to rolling element, when installation had the distance piece of rolling element, rolling element was extruded by slide rail easily and is come off, and can't effectively keep and the design of this lug is ruptured when making easily, and causing yield not high, manufacture cost improves relatively.
Based on the problem points of above-mentioned known techniques, after the inventor improves through research, there is eventually the true invention that can reach following goal of the invention to be born.
Summary of the invention
Main purpose of the present invention is to research and develop a kind of holding device that can install maximum rolling elements, and this holding device has the axle direction extended function, and can really keep rolling element can not break away from because of being squeezed this holding device when installing.
For reaching above-mentioned purpose, solution of the present invention is:
A kind of linear slide rail of limited travel comprises:
A kind of linear slide rail of limited travel comprises:
One rail bar, it extends the configuration that is strip towards a direction, and defining this bearing of trend is axle direction, and the axle direction both sides of this rail bar are provided with a plurality of sliding channels;
One slide block has a groove, and these groove both sides are provided with the relatively rolling groove of this sliding channel, and this sliding channel and rolling groove consist of a load path;
A plurality of rolling elements;
One holding device, mainly consisted of by a body member and two holders, this body member prolongs the cuboid that is a flat towards axle direction, this body member is provided with a plurality of positioning parts, two these holders are the L font, section and holding part are established for group in the two end part that define respectively this L font, this group section of establishing is provided with a plurality of fixing parts, this holding part is provided with the holder that a plurality of axle direction are arranged, this holder is formed with a recess, these recess both sides have respectively the maintenance face that a depression arranges, and consist of a holding part between each holder, and this holding part provides a rolling element accommodating;
Wherein, the holder that this is adjacent relative two should maintenance face spacing greater than the diameter of rolling element, the spacing of two these holders is less than the diameter of this rolling element;
Wherein, two these holders cooperate with this positioning part by this fixing part, make two these holders be individually fixed in the both sides of this body member;
Wherein, the partial volume of this rolling element is arranged in this recess.
One first positioning part and four the second positioning parts are divided in this positioning part, this first positioning part is a groove, four these second positioning parts are arranged at respectively the both sides at the axle direction two end part of this body member, this second positioning part is made of an extension block and both wing portions, this extension block protrudes out setting by this body member, two these alar parts are protruded by the terminal both sides of this extension block respectively and arrange, and make this second positioning part be the T font structure.
This fixing part is divided into one first fixing part and two the second fixing parts, this first fixing part relatively this first positioning part protrude out be set to one tabular; Two these second fixing parts relatively this second positioning part arrange, this second fixing part is made of the escaping groove and being arranged at these two projections of escaping on the groove of arranging of caving in towards this group section of establishing, spacing between two these projections is greater than the maximum external dimension of this extension block, this extension block is placed between two these projections, and two these alar parts collude respectively is located at two these projection one sides.
The relative position of this first positioning part and the second positioning part is for being crisscross arranged up and down.
The relative position of this first fixing part and the second fixing part is for being crisscross arranged up and down.
This body member is respectively equipped with the first linking department and the second linking department in axial two ends, this first linking department by the end face of this body member protrude out setting the section of protruding out, and spacing section of being connected with this section of protruding out consist of, these maximum external dimension of spacing section are the maximum external dimension greater than this section of protruding out; This second linking department by the hollow slot of the sunken end face setting of this body member, and the restraining groove that is connected with this hollow slot consist of, the inner edge profile of this hollow slot is this external form profile of spacing section relatively, and the inner edge profile of this restraining groove is the external form profile of this section of protruding out relatively.
The both sides of this rail bar have respectively two these load paths, and this holder has four row altogether, respectively are listed as respectively relative one this load path of this holder.
With bright, the relative bearing load ability that also can improve slide block.
13 is first special, this adjacent rolling system of system adopts slide rail, the holding device of maximum rolling elements of system, and method effectively keeps and this lug it, really adopt said structure after, the present invention can allow rolling element be placed in the holding part of holding device, drop towards lateral direction really to restrain this rolling element, the holding device of avoiding rolling element is housed comes off rolling element because pushing this rolling element when sheathed this rail bar, to improve its efficiency of assembling, relatively also reduce manufacture cost; And rolling element installing quantity can have more known techniques, relatively can improve the bearing load ability of slide block, and the second linking department by a holding device is placed in the first linking department of another holding device, two holding devices can be linked, to prolong the length of this holding device, the relative running length that also can effectively prolong slide block is to meet the demand of various industries.
Description of drawings
Fig. 1 is the exploded view of holding device of the present invention and a plurality of rolling elements;
Fig. 2 is the constitutional diagram of holding device of the present invention and a plurality of rolling elements;
Fig. 3 is the axle direction half sectional view of the present invention's holding device that a plurality of rolling elements are housed;
Fig. 4 is the exploded view of rail bar of the present invention, slide block, holding device and a plurality of rolling elements;
Fig. 5 is the constitutional diagram of rail bar of the present invention, slide block, holding device and a plurality of rolling elements;
Fig. 6 is the A-A sectional view of Fig. 5;
Fig. 7 is the B-B sectional view of Fig. 5;
Fig. 8 is the exploded view of rail bar of the present invention, slide block, a plurality of holding device and a plurality of rolling elements;
Fig. 9 is the constitutional diagram of rail bar of the present invention, slide block, a plurality of holding device and a plurality of rolling elements;
Fig. 9 A is the partial enlarged drawing at M place among Fig. 9;
Figure 10 is the axle direction half sectional view of Fig. 9;
Figure 10 A is the partial enlarged drawing at N place among Figure 10.
[primary clustering symbol description]
1 holding device, 11 body members
112 second positioning parts, 111 first positioning parts (groove)
1121 extension blocks, 1122 alar parts
113 first linking departments, 1131 sections of protruding out
1132 spacing sections 114 second linking departments
1141 hollow slots, 1142 restraining grooves
12 holder 12A group is established section
122 second fixing parts 1221 are escaped groove
1222 projections, 123 holders
1231 maintenance faces, 1232 recesses
124 holding parts, 2 rolling elements
H, T, E spacing A, B, C, F size
31 sliding channels, 4 slide blocks
41 grooves, 411 rolling grooves
X axle direction Y lateral direction.
Embodiment
Below cooperate the graphic preferred embodiment of enumerating, in order to composition member of the present invention and effect are described further, wherein each graphic brief description is as follows:
See also Fig. 1 to shown in Figure 10, be a preferred embodiment of the present invention, the present invention is a kind of linear slide rail of limited travel, and it comprises:
One rail bar 3, it extends the configuration that is strip towards a direction, defining this bearing of trend is axle direction X, the axle direction X both sides of this rail bar 3 are provided with a plurality of sliding channels 31, and extremely shown in Figure 7 in present embodiment such as Fig. 4, these sliding channel 31 set quantity are four, both sides have respectively two these sliding channels 31, but also can (or one-sided) only establish this sliding channel 31 in both sides, but its load carrying capacity will reduce, will reduce because can rolling element 2 quantity be set in sliding channel 31;
One slide block 4, has a groove 41, these groove 41 both sides are provided with the relatively rolling groove 411 of this sliding channel 31, this sliding channel 31 and rolling groove 411 consist of a load path, usually the set sliding channel 31 of this rail bar 3 and slide block 4 and the quantity of rolling groove 411 are relative, so when 31 4 of sliding channels, rolling groove 411 will be four, and consists of four load paths.
Consult Fig. 1 to Fig. 3, the emphasis holding device 1 of advocating for the present invention, this holding device 1 mainly is made of a body member 11 and two holders 12, this body member 11 prolongs the cuboid that is a flat towards axle direction X, this body member 11 is provided with a plurality of positioning parts, one first positioning part 111 and four the second positioning parts 112 are divided in this positioning part, this first positioning part 111 is a groove in present embodiment, this the first positioning part 111 is arranged at the upper surface in the neutral position of this body member 11, and by upper surface towards the lower recess setting, four these second positioning parts 112 are arranged at respectively the both sides (side arranges respectively two these the second positioning parts) at the axle direction X two end part of this body member 11, this second positioning part 112 of present embodiment is made of an extension block 1121 and both wing portions 1122, this extension block 1121 protrudes out setting by this body member 11, two these alar parts 1122 are protruded by the terminal both sides of this extension block 1121 respectively and arrange, and make this second positioning part 112 be the T font structure.
Cooperate again Fig. 2, Fig. 9 and shown in Figure 10, this body member 11 is respectively equipped with the first linking department 113 and the second linking department 114 in the two ends of axle direction X, this first linking department 113 in present embodiment by the end face of this body member 11 protrude out setting the section of protruding out 1131, and spacing section 1132 of being connected with this section of protruding out 1131 consist of, this section of protruding out 1131 can be the cylinder of arbitrary shape, and this maximum external dimension B of spacing section 1132 is the maximum external dimension A greater than this section of protruding out 1131; This second linking department 114 by the hollow slot 1141 of the sunken end face setting of this body member 11, and the restraining groove 1142 that is connected with this hollow slot 1141 consist of, the inner edge profile of this hollow slot 1141 is this external form profile of spacing section 1132 relatively, and the inner edge profile of this restraining groove 1142 is the external form profile of this section of protruding out 1131 relatively; Such as wish a plurality of holding devices 1 are linked a time-out, this second linking department 114 of one holding device 1 is placed in this first linking department 113 of another holding device 1, two holding devices 1 can be linked, this be because this maximum external dimension B of spacing section 1132 greater than the imperial palace overall size C of this restraining groove 1142,, both interfere the function of separating to reach restriction two holding devices 1 axle direction X so forming in axle direction.
Two these holders 12 are the L font by the end face sight of axle direction X, the 12A of section and holding part 12B are established for group in the two end part that define respectively this L font, this group is established the 12A of section and is provided with a plurality of fixing parts, this fixing part is divided into one first fixing part 121 and two the second fixing parts 122, these the first fixing part 121 relative these first positioning parts 111 protrude out be set to one tabular, and all accommodating this first positioning part 111 that is posted by of the first fixing part 121 of two holders 12, so the summation that protrudes out length of the first fixing part 121 of two holders 12 must be equal to or less than the width of this first positioning part 111, otherwise the first fixing part 121 of two holders 12 can produce interference when installing; The second positioning part 112 of two these the second fixing part 122 relative these body members 11 arranges, this second fixing part 122 is escaped groove 1221 by what establish towards this group that the 12A of section depression arranges, and be arranged at these two projections 1222 of escaping on the groove 1221 and consist of, spacing E between two these projections 1222 is greater than the maximum external dimension F of this extension block 1121, this extension block 1121 can be placed between two these projections 1222, and two these alar parts 1122 collude respectively and are located at two these projection 1,222 one sides, and two these holders 12 cooperating by this first positioning part 111 and the first fixing part 121 and this second positioning part 112 and the second fixing part 122, make two these holders 12 be individually fixed in the both sides of this body member 11, and make this holding device 1 be ㄇ font body.
It is worth mentioning that, be crisscross arranged up and down by this first positioning part 111 of Fig. 1 sight and the relative position of the second positioning part 112, as shown in Figure 1, the below that this first positioning part 111 is positioned at this second positioning part 112 (also can be the top that this first positioning part 111 is positioned at this second positioning part 112, as long as be crisscross arranged, both whichever upper whichever under be not that emphasis is advocated in this case), and respectively relatively this first positioning part 111 and 112 settings of the second positioning part of this first fixing part 121 and the second fixing part 122, so the relative position of the first fixing part 121 and the second fixing part 122 is also for being crisscross arranged up and down, that is to say, this the second fixing part 122 is positioned at the below of this first fixing part 121, also because such design, could restrain the degrees of freedom of any direction of this body member and holder, become flexible to avoid producing between this body member 11 and the holder 12.
Moreover, this holding part 12B is provided with the spaced holder 123 of a plurality of axle direction X, in present embodiment because this load path be four, so this holder 123 also must have four row, so could be to should load path, this holder 123 is formed with a recess 1232, these recess 1232 both sides have respectively the maintenance face 1231 that a depression arranges, this maintenance face 1231 can be arbitrary shape, for example: circular arc, flexuose or ㄑ font etc., and formation one holding part 124 between each holder 123, this holding part 124 provides a rolling element 2 accommodating, 123 relative two of this adjacent holders should maintenance face 1231 spacing T greater than the diameter D of rolling element 2, so could allow this rolling element 2 wherein accommodating, the spacing H of two these holders 123 is less than the diameter D of this rolling element 2, could really restrain this rolling element 2 like this drops towards lateral direction Y, with the holding device 1 of avoiding being equipped with rolling element 2 when sheathed this rail bar 3, because pushing this rolling element 2 rolling element 2 is come off, to improve its efficiency of assembling, relatively also reduce manufacture cost; In addition, because making the partial volume of two adjacent these rolling elements 2, the setting of this recess 1232 can be arranged in this recess 1232 (as shown in Figure 3), two these adjacent rolling elements sometimes contact, sometimes do not contact when operation, therefore the holding device of equal length 1 time, if the via design mode according to known techniques, with design of the present invention in comparison, rolling element of the present invention 2 installing quantity can have more known techniques more than two, the relative bearing load ability that also can improve slide block 4.
The above is structure and the configuration of each assembly, and embodiments of the present invention below are described:
See also Fig. 4 to shown in Figure 7, at first, rolling element 2 is inserted one by one in the holding part 124 of this holding device 1, the holding device 1 that then will have rolling element 2 is sheathed on this rail bar 3, again this slide block 4 is sheathed on this holding device 1, namely finish the number of assembling steps of the linear slide rail of limited travel, and this rolling element 2 contacts with this load path, and can move relative to this load path, when this slide block 4 operations one segment distance, then the distance of this holding device 1 operation is half of slide block 4, so, if holding device 1 can't have flexible growth or shorten its length, the length of required holding device 1 is neither identical for the industry of various demands, so on making, also become another kind of problem, so be head it off, see also Fig. 8 to shown in Figure 10, the present invention is placed in this first linking department 113 of another holding device 1 by this second linking department 114 of a holding device 1, two holding devices 1 can be linked, to prolong the length of this holding device 1, the relative running length that also can effectively prolong slide block 4 is to meet the demand of various industries, so can improve the problem of known techniques.
Above-described embodiment and graphic 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 linear slide rail of a limited travel is characterized in that, comprises:
One rail bar, it extends the configuration that is strip towards a direction, and defining this bearing of trend is axle direction, and the axle direction both sides of this rail bar are provided with a plurality of sliding channels;
One slide block has a groove, and these groove both sides are provided with the relatively rolling groove of this sliding channel, and this sliding channel and rolling groove consist of a load path;
A plurality of rolling elements;
One holding device, mainly consisted of by a body member and two holders, this body member prolongs the cuboid that is a flat towards axle direction, this body member is provided with a plurality of positioning parts, two these holders are the L font, section and holding part are established for group in the two end part that define respectively this L font, this group section of establishing is provided with a plurality of fixing parts, this holding part is provided with the holder that a plurality of axle direction are arranged, this holder is formed with a recess, these recess both sides have respectively the maintenance face that a depression arranges, and provide a rolling element accommodating holding part and consist of one between each holder;
Wherein, the holder that this is adjacent relative two should maintenance face spacing greater than the diameter of rolling element, the spacing of two these holders is less than the diameter of this rolling element;
Wherein, two these holders cooperate with this positioning part by this fixing part, make two these holders be individually fixed in the both sides of this body member;
Wherein, the partial volume of this rolling element is arranged in this recess.
2. the linear slide rail of limited travel as claimed in claim 1, it is characterized in that: one first positioning part and four the second positioning parts are divided in this positioning part, this first positioning part is a groove, four these second positioning parts are arranged at respectively the both sides at the axle direction two end part of this body member, this second positioning part is made of an extension block and both wing portions, this extension block protrudes out setting by this body member, two these alar parts are protruded by the terminal both sides of this extension block respectively and arrange, and make this second positioning part be the T font structure.
3. the linear slide rail of limited travel as claimed in claim 2, it is characterized in that: this fixing part is divided into one first fixing part and two the second fixing parts, this first fixing part relatively this first positioning part protrude out be set to one tabular; Two these second fixing parts relatively this second positioning part arrange, this second fixing part is made of the escaping groove and being arranged at these two projections of escaping on the groove of arranging of caving in towards this group section of establishing, spacing between two these projections is greater than the maximum external dimension of this extension block, this extension block is placed between two these projections, and two these alar parts collude respectively is located at two these projection one sides.
4. the linear slide rail of limited travel as claimed in claim 2, it is characterized in that: the relative position of this first positioning part and the second positioning part is for being crisscross arranged up and down.
5. the linear slide rail of limited travel as claimed in claim 3, it is characterized in that: the relative position of this first fixing part and the second fixing part is for being crisscross arranged up and down.
6. the linear slide rail of limited travel as claimed in claim 1, it is characterized in that: this body member is respectively equipped with the first linking department and the second linking department in axial two ends, this first linking department by the end face of this body member protrude out setting the section of protruding out, and spacing section of being connected with this section of protruding out consist of, these maximum external dimension of spacing section are greater than the maximum external dimension of this section of protruding out; This second linking department by the hollow slot of the sunken end face setting of this body member, and the restraining groove that is connected with this hollow slot consist of, the inner edge profile of this hollow slot is this external form profile of spacing section relatively, and the inner edge profile of this restraining groove is the external form profile of this section of protruding out relatively.
7. the linear slide rail of limited travel as claimed in claim 1, it is characterized in that: the both sides of this rail bar have respectively two these load paths, and this holder has four row altogether, respectively are listed as respectively relative one this load path of this holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110284917.5A CN103016521B (en) | 2011-09-23 | 2011-09-23 | Linear sliding rail having limited travel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110284917.5A CN103016521B (en) | 2011-09-23 | 2011-09-23 | Linear sliding rail having limited travel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103016521A true CN103016521A (en) | 2013-04-03 |
| CN103016521B CN103016521B (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110284917.5A Active CN103016521B (en) | 2011-09-23 | 2011-09-23 | Linear sliding rail having limited travel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103016521B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107543013A (en) * | 2016-06-28 | 2018-01-05 | 兆利科技工业股份有限公司 | Support meanss and the slump structure for the support meanss |
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| TW552357B (en) * | 2002-10-25 | 2003-09-11 | Chieftech Prec Co Ltd | Limited stroke linear bearing device |
| CN1451593A (en) * | 2002-04-18 | 2003-10-29 | 株式会社英福姆 | Linear guide track retaining device |
| JP2008144902A (en) * | 2006-12-12 | 2008-06-26 | Dingyao Science & Technology Co Ltd | Holding structure of rolling element position in linear guide |
| JP2008309247A (en) * | 2007-06-14 | 2008-12-25 | Nsk Ltd | Cage, and linear motion device using the same |
| TW200923223A (en) * | 2007-11-16 | 2009-06-01 | Hiwin Tech Corp | Linear rail rolling device circulating system |
| CN102176846A (en) * | 2008-10-28 | 2011-09-07 | 保罗海蒂诗有限及两合公司 | Pull-out guide for furniture and method for producing a pull-out guide |
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2011
- 2011-09-23 CN CN201110284917.5A patent/CN103016521B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1451593A (en) * | 2002-04-18 | 2003-10-29 | 株式会社英福姆 | Linear guide track retaining device |
| TW552357B (en) * | 2002-10-25 | 2003-09-11 | Chieftech Prec Co Ltd | Limited stroke linear bearing device |
| JP2008144902A (en) * | 2006-12-12 | 2008-06-26 | Dingyao Science & Technology Co Ltd | Holding structure of rolling element position in linear guide |
| JP2008309247A (en) * | 2007-06-14 | 2008-12-25 | Nsk Ltd | Cage, and linear motion device using the same |
| TW200923223A (en) * | 2007-11-16 | 2009-06-01 | Hiwin Tech Corp | Linear rail rolling device circulating system |
| CN102176846A (en) * | 2008-10-28 | 2011-09-07 | 保罗海蒂诗有限及两合公司 | Pull-out guide for furniture and method for producing a pull-out guide |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107543013A (en) * | 2016-06-28 | 2018-01-05 | 兆利科技工业股份有限公司 | Support meanss and the slump structure for the support meanss |
| CN107543013B (en) * | 2016-06-28 | 2019-12-31 | 兆利科技工业股份有限公司 | Support device and sliding structure for same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103016521B (en) | 2015-04-29 |
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