CN102673434A - Guide rail structure for sliding rail of automobile seat - Google Patents
Guide rail structure for sliding rail of automobile seat Download PDFInfo
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- CN102673434A CN102673434A CN2012101337780A CN201210133778A CN102673434A CN 102673434 A CN102673434 A CN 102673434A CN 2012101337780 A CN2012101337780 A CN 2012101337780A CN 201210133778 A CN201210133778 A CN 201210133778A CN 102673434 A CN102673434 A CN 102673434A
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- ball
- raceway
- grooves
- limiting section
- guide rail
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Abstract
The invention relates to a guide rail structure for a sliding rail of an automobile seat and belongs to the technical field of automobile accessories and comprises a lower guide rail and an upper guide rail assembled on the lower guide rail through a ball frame. The guide rail structure is characterized in that the upper guide rail is formed by a short folded edge, a long folded edge and an upper installation surface, wherein a rollway is respectively formed on the short folded edge and the long folded edge, and a pair of first ball limit portion is respectively formed at two ends of each rollway. The lower guide rail is formed by a long folded wall, a short folded wall and a lower installation surface, wherein a ball groove is respectively formed on the long folded wall and the short folded wall, and a pair of second ball limit portion is respectively formed at two ends of each ball groove. The ball frame is formed by a ball, an upper ball positioning roll and a lower ball positioning roll which are all arranged in a containing cavity formed by enclosing the rollways and the ball grooves. The guide rail structure for the sliding rail of the automobile seat has the advantages of being high in strength, stable and reliable in sliding, small in gap, low in production cost due to the fact that the thickness of materials can be reduced, small in volume, few in parts, simple in structure, convenient to assemble, low in processing accuracy requirements, convenient to manufacture and wide in application range.
Description
Technical field
The invention belongs to the vehicle body fittings technical field, be specifically related to a kind ofly be used to be installed in the seat support of seat and the sliding rail of automobile seat between the car body is used guide rail structure
Background technology
sliding rail of automobile seat is being taken on the function that changes the seat front and back position, must join on automotive seat as this device.At present; Comparatively commonly on the market be applied to the slide rail on the automobile seat; Mainly contain three big component set-ups, promptly one is used for being used for being assigned in upper rail and a blocking device that is used to lock upper rail on the lower guideway with the seat frame connection of automotive seat and through pearl frame cunning with the lower guideway, of car floor connection.At present, the upper rail of comparatively common sliding rail of automobile seat and lower guideway are the left-right symmetric structure on the market.Can obtain detailed understanding in the technical scheme through previous disclosed Chinese invention patent Granted publication CN100447016C to this.This patent scheme discloses a kind of " sliding rail for vehicle seat ", and its achievement part is: the locking balance, and emissions groove distortion, distortion can not appear locking, can demonstrate fully safety.But also expose following problem in actual use: 1, because of the raceway of slide rail on same horizontal surface, so high to the requirement on machining accuracy of parts, the difficult control of the conformability in slide rail gap and synchronism; 2, the slide construction of slide rail comprises roller stand, registration roller, ball etc., and part is more, complex structure, cost high.And for example, Chinese utility model patent Granted publication CN201189827Y discloses " a kind of sliding rail for vehicle seat ", and its achievement part is: slide rail slides steadily, and the gap is little, and integral structure is simple, and cost is low.But also expose following point in actual use: 1, since the raceway of slide rail on same horizontal surface, so high to the requirement on machining accuracy of parts, the conformability in slide rail gap and synchronism are difficult to be controlled; 2, the slip of slide rail is taken roller, ball by the pearl frame and in raceway, moved and realize, and is little because of the space of raceway, is prone to pearl frame and raceway and interferes and abnormal sound, higher to the requirement on machining accuracy of pearl frame.
again, at present the raceway on the last lower guideway in the sliding rail of automobile seat all is on the same horizontal surface, is the intensity of assurance slide rail, and the thickness and the material of the material of part had certain requirement, cost is higher relatively.
In view of above-mentioned prior art, be necessary the existing automobile seat slide rail is improved with guide rail structure, the technical scheme that will introduce below produces under this background
Summary of the invention
task of the present invention is to provide a kind of sliding rail of automobile seat to use guide rail structure, and not only intensity is high, synchronism is good, glade plane space is little for it; And can saving in material, reduce working accuracy, the convenient manufacturing; Simultaneously applied widely.
task of the present invention is accomplished like this; A kind of sliding rail of automobile seat is used guide rail structure; Comprise that one is used for being used for being assigned in the upper rail on the lower guideway with the seat frame connection of automotive seat and through pearl frame cunning with the lower guideway, of car floor connection; Be characterized in: described upper rail is to constitute by lacking flanging, long flanging and connecting the last attachment face of lacking flanging, long flanging; Short flanging end wise is formed with ball first raceway and ball second raceway respectively; Long flanging end wise is formed with ball the 3rd raceway and ball the 4th raceway respectively, and the two ends of described ball first raceway, ball second raceway, ball the 3rd raceway and ball the 4th raceway respectively constitute a pair of first ball limiting section one, the second ball limiting section the one, the 3rd ball limiting section one and the 4th ball limiting section one; The short folding wall that described lower guideway cooperates by the long folding wall that cooperates with short flanging, with long flanging and is connected the long wall, weak point rolled over and rolls over the following attachment face of wall and constitute; Long folding wall end wise is formed with first ball grooves and second ball grooves respectively; Short folding wall end wise is formed with the 3rd ball grooves and the 4th ball grooves respectively, and the two ends of described first ball grooves, second ball grooves, the 3rd ball grooves and the 4th ball grooves respectively constitute a pair of first ball limiting section two, the second ball limiting section the two, the 3rd ball limiting section two and the 4th ball limiting section two; Described pearl frame is made up of ball, last ball registration roller and following ball registration roller; Last ball registration roller and ball thereof place respectively by in ball first raceway and first ball grooves and ball the 3rd raceway and the cavity volume that the 3rd ball grooves institute enclosure becomes, and described ball registration roller down and ball thereof place respectively by in ball second raceway and second ball grooves and ball the 4th raceway and the cavity volume that the 4th ball grooves institute enclosure becomes.
are in a concrete embodiment of the present invention; Ball first raceway that forms on the described upper rail, ball second raceway, ball the 3rd raceway, ball the 4th raceway lay respectively on the different horizontal face; First ball grooves that forms on the described lower guideway, second ball grooves, the 3rd ball grooves, the 4th ball grooves are positioned on the different horizontal face equally, make by between ball first raceway and first ball grooves, between ball second raceway and second ball grooves, between ball the 3rd raceway and the 3rd ball grooves and the cavity volume that institute's enclosure becomes between ball the 4th raceway and the 4th ball grooves lay respectively on the different horizontal face.
are in another concrete embodiment of the present invention; Be respectively arranged with ball registration roller in described ball first raceway and first ball grooves, ball the 3rd raceway and the cavity volume that the 3rd ball grooves institute enclosure becomes and be positioned at each two pieces of ball at ball registration roller length direction two ends, be respectively arranged with ball registration roller in described ball second raceway and second ball grooves, ball the 4th raceway and the cavity volume that the 4th ball grooves institute enclosure becomes and be positioned at respectively two pieces of balls at time ball registration roller length direction two ends.
in another concrete embodiment of the present invention, being shaped as of the described first ball limiting section one, the second ball limiting section the one, the 3rd ball limiting section one and the 4th ball limiting section one and the first ball limiting section two, the second ball limiting section the two, the 3rd ball limiting section two and the 4th ball limiting section two is raised or sunken.
in another concrete embodiment of the present invention, described depression or protruding basal surface are shaped as the fillet polygon that radius of curvature is the above curve of 0.1 μ m of circle, ellipse or apex.
in of the present invention and then concrete embodiment, described go up the ball registration roller, down the ball registration roller be shaped as cylinder, described ball be shaped as spheroid.
the present invention is because after adopting said structure; One of advantage that has, since on upper rail and the lower guideway between the set ball that is complementary first raceway and first ball grooves, between ball second raceway and second ball grooves, between ball the 3rd raceway and the 3rd ball grooves and the cavity volume that institute's enclosure becomes between ball the 4th raceway and the 4th ball grooves lay respectively on the different horizontal face; Formed the height state; Therefore slide rail receives external force to do the time spent, and the intensity of slide rail is high; Advantage two, because last ball registration roller, down the ball registration roller is a cylinder, ball is a spheroid, therefore, the pearl frame slides in raceway and the formed cavity volume of ball grooves, it is steadily reliable to slide, the gap is little; Advantage three, because the fit structure of upper rail and lower guideway has utilized the design mechanics principle; Therefore, when guaranteeing slide rail intensity, can reduce the thickness of material; Productive costs is low; Simultaneously the slide rail volume is little, parts are few, simple in structure, easy to assembly, requirement on machining accuracy is low, the convenient manufacturing; Advantage four, applied widely, can realize and any being connected between the seat.
Description of drawings
Fig. 1 is a cross-sectional view of the present invention.
Fig. 2 is one embodiment of the invention shaft side figure.
Among
figure: 1. upper rail, 10. go up attachment face, 11. short flangings, 111. balls, first raceway, 1111. first ball limiting sections one, 112. balls, second raceway, 1121. second ball limiting sections, one, 12. long flangings, 121. balls the 3rd raceway, 1211. the 3rd ball limiting sections one, 122. balls the 4th raceway, 1221. the 4th ball limiting sections one; 2. lower guideway, 20. times attachment faces, 21. long folding walls, 211. first ball grooves, 2111. first ball limiting sections two, 212. second ball grooves, 2121. second ball limiting sections, two, 22. short folding walls, 221. the 3rd ball grooves, 2211. the 3rd ball limiting sections two, 222. the 4th ball grooves, 2221. the 4th ball limiting sections two; 3. ball registration roller, 33. times ball registration rollers on pearl frame, 31. balls, 32..
The specific embodiment
can be expressly understood technical spirit of the present invention and beneficial effect more for the inspector that the makes Patent Office especially public; The applicant general combines accompanying drawing to elaborate with the mode of embodiment below; But the description to embodiment all is not the restriction to the present invention program, any according to the present invention design done only for pro forma but not substantial equivalent transformation all should be regarded as technical scheme category of the present invention.
are please with reference to Fig. 1 and combine Fig. 2; A kind of sliding rail of automobile seat of the present invention is used guide rail structure, comprises that one is used for being used for being assigned in the upper rail 1 on the lower guideway 2 with the seat frame connection of automotive seat and through pearl frame 3 cunnings with the lower guideway 2, of car floor connection.Described upper rail 1 is to constitute by lacking flanging 11, long flanging 12 and connecting the last attachment face 10 of lacking flanging 11, long flanging 12; Short flanging 11 end wises are formed with ball first raceway 111 and ball second raceway 112 respectively; Long flanging 12 end wises are formed with ball the 3rd raceway 121 and ball the 4th raceway 122 respectively; Describedly go up ball first raceway 111, ball second raceway 112, ball the 3rd raceway 121, ball the 4th raceway 122 lays respectively on the different horizontal face; And respectively constitute a pair of first ball limiting section 1, the second ball limiting section 1, the 3rd ball limiting section 1 and the 4th ball limiting section 1 at the two ends of ball first raceway 111, ball second raceway 112, ball the 3rd raceway 121 and ball the 4th raceway 122; The shape of the described first ball limiting section 1, the second ball limiting section 1, the 3rd ball limiting section 1 and the 4th ball limiting section 1 does not receive any restriction; Can be protruding; Also can be depression etc., described depression or protruding basal surface be shaped as the fillet polygon that radius of curvature is the above curve of 0.1 μ m of circle, ellipse or apex.The short folding wall 22 that described lower guideway 2 cooperates by the long folding wall 21 that cooperates with short flanging 11, with long flanging 12 and is connected the long wall 21, weak point rolled over and rolls over the following attachment face 20 of wall 22 and constitute; Long folding wall 21 end wises are formed with first ball grooves 211 and second ball grooves 212 respectively; Short folding wall 22 end wises are formed with the 3rd ball grooves 221 and the 4th ball grooves 222 respectively; First ball grooves 211 that forms on the described lower guideway 2, second ball grooves 212, the 3rd ball grooves 221, the 4th ball grooves 222 are positioned on the different horizontal face equally, make by between ball first raceway 111 and first ball grooves 211, between ball second raceway 112 and second ball grooves 212, between ball the 3rd raceway 121 and the 3rd ball grooves 221 and the cavity volume that institute's enclosure becomes between ball the 4th raceway 122 and the 4th ball grooves 222 lay respectively on the different horizontal face.Equally respectively constitute a pair of first ball limiting section 2 2111, the second ball limiting section 2 2121, the 3rd ball limiting section 2 2211 and the 4th ball limiting section 2 2221 at the two ends of described first ball grooves 211, second ball grooves 212, the 3rd ball grooves 221 and the 4th ball grooves 222; The shape of the described first ball limiting section 2 2111, the second ball limiting section 2 2121, the 3rd ball limiting section 2 2211 and the 4th ball limiting section 2 2221 does not receive any restriction equally; Can be protruding, also can be depression etc.Described depression or protruding basal surface are shaped as the fillet polygon that radius of curvature is the above curve of 0.1 μ m of circle, ellipse or apex.Described pearl frame 3 is made up of ball 31, last ball registration roller 32 and following ball registration roller 33, and the described shape that goes up ball registration roller 32, following ball registration roller 33 is preferably cylinder, and the shape of described ball 31 is preferably spheroid.Be respectively arranged with ball registration roller 32 in described ball first raceway 111 and the cavity volume that first ball grooves 211,221 enclosures of ball the 3rd raceway 121 and the 3rd ball grooves become and be positioned at each two pieces of ball 31 at ball registration roller 32 length direction two ends, be respectively arranged with ball registration roller 33 in described ball second raceway 112 and the cavity volume that second ball grooves 212,222 enclosures of ball the 4th raceway 122 and the 4th ball grooves become and be positioned at respectively two pieces of balls 31 at time ball registration roller 33 length direction two ends.Described upper rail 1 slides in corresponding cavity volume through above-mentioned pearl frame 3 and is implemented in moving forward and backward on the lower guideway 2.
please continue with reference to Fig. 1, Fig. 2; Sketch principle of work of the present invention: according to general knowledge, a kind of slide rail that is used for automotive seat must need this upper rail shown in Figure 11, lower guideway 2 and pearl frame 3 and form the front and back slip that guide rail structure is realized automotive seat, supposes that upper rail 1 is connected with the seat frame of automotive seat, lower guideway 2 finishes with the car floor connection; So; Under normal circumstances, 1) in the time will making the front and back relative position appropriate change of upper rail 1, lower guideway 2, fixedly lower guideway 2; At the slide rail length direction upper rail 1 is applied an application force forward or backward; Because of being built-in with pearl frame 3 at upper rail 1 and lower guideway 2 formed cavity volumes, then upper rail 1 slides with the rolling of ball 31 under the promotion of application force, realizes that the front and back position between upper rail 1 and the lower guideway 2 changes.2) in case pearl frame 3 contacts with the ball limiting section, and the relative position of upper rail 1 and lower guideway 2 just is in the most preceding or rearmost position state, pearl frame 3 can not break away from upper rail 1 and lower guideway 2 yet.
In sum, technical scheme provided by the invention has overcome the shortcoming in the prior art, has reached goal of the invention, has embodied the described technique effect of applicant
Claims (6)
1.
a kind of sliding rail of automobile seat is used guide rail structure; Comprise that one is used for being used for being assigned in the upper rail (1) on the lower guideway (2) with the seat frame connection of automotive seat and through pearl frame (3) cunning with the lower guideway (2), of car floor connection; It is characterized in that: described upper rail (1) is last attachment face (10) formation by the short flanging (11) of short flanging (11), long flanging (12) and connection, long flanging (12); Short flanging (11) end wise is formed with ball first raceway (111) and ball second raceway (112) respectively; Long flanging (12) end wise is formed with ball the 3rd raceway (121) and ball the 4th raceway (122) respectively, and the two ends of described ball first raceway (111), ball second raceway (112), ball the 3rd raceway (121) and ball the 4th raceway (122) respectively constitute a pair of first ball limiting section one (1111), the second ball limiting section the one (1121), the 3rd ball limiting section one (1211) and the 4th ball limiting section one (1221); Described lower guideway (2) is by rolling over wall (21), roll over wall (22) and be connected following attachment face (20) formation that length is rolled over wall (21), weak point folding wall (22) with the short of long flanging (12) cooperation with the length of short flanging (11) cooperation; Long folding wall (21) end wise is formed with first ball grooves (211) and second ball grooves (212) respectively; Short folding wall (22) end wise is formed with the 3rd ball grooves (221) and the 4th ball grooves (222) respectively, and the two ends of described first ball grooves (211), second ball grooves (212), the 3rd ball grooves (221) and the 4th ball grooves (222) respectively constitute a pair of first ball limiting section two (2111), the second ball limiting section the two (2121), the 3rd ball limiting section two (2211) and the 4th ball limiting section two (2221); Described pearl frame (3) is made up of ball (31), last ball registration roller (32) and following ball registration roller (33); Last ball registration roller (32) and ball (31) thereof place respectively by in ball first raceway (111) and first ball grooves (211) and ball the 3rd raceway (121) and the cavity volume that the 3rd ball grooves (221) institute enclosure becomes, and described ball registration roller (33) down and ball (31) thereof place respectively by in ball second raceway (112) and second ball grooves (212) and ball the 4th raceway (122) and the cavity volume that the 4th ball grooves (222) institute enclosure becomes.
2.
sliding rail of automobile seat according to claim 1 is used guide rail structure; It is characterized in that ball first raceway (111), ball second raceway (112), ball the 3rd raceway (121), ball the 4th raceway (122) that described upper rail (1) upward forms lay respectively on the different horizontal face; First ball grooves (211), second ball grooves (212), the 3rd ball grooves (221), the 4th ball grooves (222) that described lower guideway (2) go up to form are positioned on the different horizontal face equally, make by between ball first raceway (111) and first ball grooves (211), between ball second raceway (112) and second ball grooves (212), between ball the 3rd raceway (121) and the 3rd ball grooves (221) and the cavity volume that institute's enclosure becomes between ball the 4th raceway (122) and the 4th ball grooves (222) lay respectively on the different horizontal face.
3.
sliding rail of automobile seat according to claim 1 is used guide rail structure; It is characterized in that being respectively arranged with in described ball first raceway (111) and first ball grooves (211), ball the 3rd raceway (121) and the cavity volume that the 3rd ball grooves (221) institute enclosure becomes ball registration roller (32) on one and be positioned at each two pieces of ball (31) at ball registration roller (32) length direction two ends, be respectively arranged with ball registration roller (33) in described ball second raceway (112) and second ball grooves (212), ball the 4th raceway (122) and the cavity volume that the 4th ball grooves (222) institute enclosure becomes and be positioned at respectively two pieces of balls (31) at time ball registration roller (33) length direction two ends.
4.
sliding rail of automobile seat according to claim 1 is used guide rail structure, it is characterized in that being shaped as of the described first ball limiting section one (1111), the second ball limiting section the one (1121), the 3rd ball limiting section one (1211) and the 4th ball limiting section one (1221) and the first ball limiting section two (2111), the second ball limiting section the two (2121), the 3rd ball limiting section two (2211) and the 4th ball limiting section two (2221) is raised or sunken.
5.
sliding rail of automobile seat according to claim 4 is used guide rail structure, it is characterized in that described depression or protruding basal surface are shaped as the fillet polygon that radius of curvature is the above curve of 0.1 μ m of circle, ellipse or apex.
6.
Sliding rail of automobile seat according to claim 1 is used guide rail structure, it is characterized in that described go up ball registration roller (32), down ball registration roller (33) be shaped as cylinder, described ball (31) be shaped as spheroid
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101337780A CN102673434A (en) | 2012-05-03 | 2012-05-03 | Guide rail structure for sliding rail of automobile seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101337780A CN102673434A (en) | 2012-05-03 | 2012-05-03 | Guide rail structure for sliding rail of automobile seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102673434A true CN102673434A (en) | 2012-09-19 |
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ID=46806204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101337780A Pending CN102673434A (en) | 2012-05-03 | 2012-05-03 | Guide rail structure for sliding rail of automobile seat |
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| Country | Link |
|---|---|
| CN (1) | CN102673434A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106476655A (en) * | 2016-12-01 | 2017-03-08 | 东风李尔汽车座椅有限公司 | A kind of automotive seat General sliding rail |
| CN107176065A (en) * | 2017-06-22 | 2017-09-19 | 上海沿浦金属制品股份有限公司 | Automotive seat height rail structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1712270A (en) * | 2004-06-24 | 2005-12-28 | C.劳勃汉默斯坦两合有限公司 | Longitudinal guiding rail device for automotive seat |
| WO2006053145A1 (en) * | 2004-11-12 | 2006-05-18 | Johnson Controls Technology Company | Vehicle seat track |
| CN101010217A (en) * | 2004-09-07 | 2007-08-01 | 约翰逊控股公司 | Adjusting device, in particular for the seat of a motor vehicle |
| CN100411906C (en) * | 2003-04-17 | 2008-08-20 | 奥斯特姆有限公司 | Slide for seat of vehicle |
-
2012
- 2012-05-03 CN CN2012101337780A patent/CN102673434A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100411906C (en) * | 2003-04-17 | 2008-08-20 | 奥斯特姆有限公司 | Slide for seat of vehicle |
| CN1712270A (en) * | 2004-06-24 | 2005-12-28 | C.劳勃汉默斯坦两合有限公司 | Longitudinal guiding rail device for automotive seat |
| CN101010217A (en) * | 2004-09-07 | 2007-08-01 | 约翰逊控股公司 | Adjusting device, in particular for the seat of a motor vehicle |
| WO2006053145A1 (en) * | 2004-11-12 | 2006-05-18 | Johnson Controls Technology Company | Vehicle seat track |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106476655A (en) * | 2016-12-01 | 2017-03-08 | 东风李尔汽车座椅有限公司 | A kind of automotive seat General sliding rail |
| CN107176065A (en) * | 2017-06-22 | 2017-09-19 | 上海沿浦金属制品股份有限公司 | Automotive seat height rail structure |
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Application publication date: 20120919 |