CN109050353B - Transmission system of electric long slide rail - Google Patents
Transmission system of electric long slide rail Download PDFInfo
- Publication number
- CN109050353B CN109050353B CN201810984861.6A CN201810984861A CN109050353B CN 109050353 B CN109050353 B CN 109050353B CN 201810984861 A CN201810984861 A CN 201810984861A CN 109050353 B CN109050353 B CN 109050353B
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- rail
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- driving
- shell
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 69
- 230000002159 abnormal effect Effects 0.000 abstract description 5
- 230000033001 locomotion Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
- B60N2/07—Slide construction
- B60N2/0722—Constructive details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/0224—Non-manual adjustments, e.g. with electrical operation
- B60N2/02246—Electric motors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/0224—Non-manual adjustments, e.g. with electrical operation
- B60N2/02246—Electric motors therefor
- B60N2/02253—Electric motors therefor characterised by the transmission between the electric motor and the seat or seat parts
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a transmission system of an electric long slide rail, wherein the slide rail comprises a left rail assembly and a right rail assembly, the left rail assembly comprises a left upper rail and a left lower rail which are connected in a sliding way, the right rail assembly comprises a right upper rail and a right lower rail which are connected in a sliding way, and the system comprises: the left side and the right side of the sliding rail connecting bridge are respectively fixed above the left upper rail and the right upper rail; the racks are respectively and horizontally fixed in the inner grooves of the left lower rail and the right lower rail; the driving motor is connected to the lower surface of the middle part of the slide rail connecting bridge; the middle part of the transmission rod is connected with the output end of the driving motor; and the transmission module is fixed in the left upper rail and the right upper rail respectively, and comprises a shell, a driving gear and an output gear, and the output gear comprises an integrally formed meshing gear and a transmission gear. The invention avoids the deflection problem of the long filament rod in long-stroke transmission and effectively avoids the generation of abnormal sound.
Description
Technical Field
The invention relates to the technical field of automobile seat sliding rails, in particular to a transmission system of an electric long sliding rail.
Background
At present, the adjustable slide rails in the front-back direction of the automobile seat are divided into a manual adjustment type and an electric adjustment type according to a driving mode, wherein the basic structure of the electric adjustment slide rail is a motor bracket assembly and a pair of slide rail assemblies. The motor support assembly comprises a driving motor and a support structure for fixing the motor, torque is transmitted to the sliding rail through the flexible shaft, gear boxes such as worm gears and the like are arranged on the inner upper side of the sliding rail, and the screw rod is fixed with the lower rail. The rotation of the motor is generally converted into the linear movement of the slide rail through the transmission of a nut in a gear box body and a thread pair of a screw rod, the stroke adjustable range is generally 150-300 mm, the phenomenon of abnormal sound caused by the deflection of the screw rod is not obvious due to the short-distance driving, but a bracket is arranged in a space below a left frame of the whole chair to fix the motor.
With the continuous development of automobile models such as SUV and MPV in the automobile industry and the continuous improvement of the requirement of customers on comfort level, the requirement of the automobile seat market on the electric long-distance adjusting slide rail (the travel is more than 400mm and even reaches 1000-2000 mm) is gradually presented. In the traditional lead screw nut transmission scheme, the transmission requirement of a longer stroke cannot be basically met due to the overlarge deflection of the lead screw under the long stroke.
Disclosure of Invention
The invention mainly solves the technical problems in the prior art, and provides the transmission system of the electric long slide rail, which can meet the transmission requirement of long stroke and effectively avoid abnormal sound.
The technical problem of the invention is mainly solved by the following technical scheme:
the invention provides a transmission system of an electric long slide rail, wherein the slide rail comprises a left rail assembly and a right rail assembly, the left rail assembly comprises a left upper rail and a left lower rail which are connected in a sliding manner, the right rail assembly comprises a right upper rail and a right lower rail which are connected in a sliding manner, and the system comprises:
the left side and the right side of the sliding rail connecting bridge are respectively fixed above the left upper rail and the right upper rail;
the racks are respectively and horizontally fixed in the inner grooves of the left lower rail and the right lower rail;
the driving module is connected to the lower surface of the middle part of the slide rail connecting bridge;
the middle part of the transmission rod is connected with the output end of the driving module;
the transmission module is fixed respectively in the inside of upper left rail and upper right rail, wherein, transmission module includes shell, drive gear and output gear all are located the inside of shell, drive gear still with the one end of transfer line is connected, output gear includes integrated into one piece fashioned meshing gear and drive gear, meshing gear and drive gear are coaxial each other, drive gear with drive gear is connected, meshing gear with the rack meshes mutually.
Further, the upper left rail and the upper right rail both comprise a first half rail, a second half rail and a spring piece, the first half rail and the second half rail mutually enclose and clamp the shell, the shell is locked with the first half rail and the second half rail through bolts, one end of the spring piece is fixedly connected with the upper end of the first half rail, and the other end of the spring piece is fixedly connected with the surface of the shell through screws.
Further, the driving gear is connected with the transmission gear through an idler gear.
Further, the driving gear is connected with the transmission gear through a transmission belt.
Further, the housing includes a gear case cover and a gear case body connected to each other.
Further, the shape of the transmission rod is an asymmetric hexagon.
Further, the driving module is connected to the lower surface of the middle part of the slide rail connecting bridge through an L-shaped connecting plate.
Further, the driving module is a driving motor.
The invention has the beneficial effects that: the driving module drives the transmission rod to rotate, driving force is transmitted to the driving gear of the transmission module, then the output gear is driven to rotate and move back and forth along the rack, the transmission module is fixed inside the left upper rail and the right upper rail, and the rack is fixed inside the left lower rail and the right lower rail, so that the left upper rail and the right upper rail respectively do linear motion relative to the left lower rail and the right lower rail, and the position of the sliding rail is adjusted. The invention replaces the traditional screw nut transmission by the output gear and rack transmission mode to avoid the deflection problem of the long screw rod in the long-stroke transmission, thereby effectively avoiding the generation of abnormal sound and expanding the stroke range of the slide rail adjustment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a transmission system of an electric long slide rail of the invention;
FIG. 2 is a schematic structural diagram of the upper left rail or the upper right rail of the transmission system of the electric long slide rail of the invention;
FIG. 3 is an installation view of the rack of the transmission system of the electric long slide rail of the present invention;
FIG. 4 is an exploded view of one drive module of the drive system of the invention for an electrically driven long slide;
FIG. 5 is an exploded view of another drive module of the drive system of the invention for an electrically driven long slide;
fig. 6 is a schematic structural diagram of a transmission rod of the transmission system of the electric long slide rail.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.
Referring to fig. 1-6, the transmission system of the electric long sliding rail of the present invention, the sliding rail includes a left rail assembly 1 and a right rail assembly 2, the left rail assembly 1 includes a left upper rail 11 and a left lower rail 12 which are slidably connected, the right rail assembly 2 includes a right upper rail 21 and a right lower rail 22 which are slidably connected, the system includes:
the left side and the right side of the sliding rail connecting bridge 3 are respectively fixed above the left upper rail 11 and the right upper rail 21; the trolley connecting bridge 3 can ensure the synchronous movement of the left upper rail 11 and the right upper rail 21.
The racks 4 are horizontally fixed in the inner grooves of the left lower rail 12 and the right lower rail 22 respectively;
the driving module is connected to the lower surface of the middle part of the slide rail connecting bridge 3; the driving module in the present invention is a driving motor 5.
The middle part of the transmission rod 6 is connected with the output end of the driving module; the transmission rod 6 is used for transmitting the driving torque of the driving module, and in the invention, in order to prevent the slipping phenomenon after long-time operation, the transmission rod 6 is in an asymmetric hexagon shape, so that the positioning precision can be improved, and the transmission rod is conveniently matched with the driving gear 72. The transmission rod 6 in the invention can be made into an integral structure or a split structure, and in the split structure, the transmission rod 6 can be a combination of various shaft structures.
The transmission module 7 is respectively fixed inside the left upper rail 11 and the right upper rail 21, wherein the transmission module 7 comprises a housing 71, a driving gear 72 and an output gear 73, the driving gear 72 and the output gear 73 are both positioned inside the housing 71, the driving gear 72 is further connected with one end of the transmission rod 6, the output gear 73 comprises an engaging gear 731 and a transmission gear 732 which are integrally formed, the engaging gear 731 and the transmission gear 732 are coaxial, the driving gear 72 is connected with the transmission gear 732, and the engaging gear 731 is engaged with the rack 4.
According to the invention, the driving module drives the driving rod 6 to rotate, the driving force is transmitted to the driving gear 72 of the transmission module 7, then the output gear 73 is driven to rotate and move back and forth along the rack 4, the transmission module 7 is fixed inside the left upper rail 11 and the right upper rail 21, and the rack 4 is fixed inside the left lower rail 21 and the right lower rail 22, so that the left upper rail 11 and the right upper rail 12 respectively do linear motion relative to the left lower rail 21 and the right lower rail 22, and further the adjustment of the slide rail position is realized. The invention replaces the traditional screw nut transmission by the transmission mode of the output gear 73 and the rack 4 to avoid the deflection problem of the long screw rod in the long-stroke transmission, thereby effectively avoiding the generation of abnormal sound and expanding the stroke range of slide rail adjustment.
Specifically, each of the left upper rail 11 and the right upper rail 21 includes a first half rail 111, a second half rail 112 and a spring plate 113, the first half rail 111 and the second half rail 112 mutually enclose and clamp the casing 71, the casing 71 is locked with the first half rail 111 and the second half rail 112 through bolts, one end of the spring plate 113 is fixedly connected with the upper end of the first half rail 111, and the other end thereof is fixedly connected with the surface of the casing 71 through screws. In the invention, the shell 71 is fixed in the cavity defined by the first half rail 111 and the second half rail 112, so that the shape of the shell 71 is matched with the shapes of the inner walls of the first half rail 111 and the second half rail 112 to play a role in limiting and preventing looseness, and the reduction of the adjustment precision caused by the looseness of the transmission module 7 after long-time use is avoided. Meanwhile, the spring plate 113 of the invention further plays the roles of preventing looseness and torsion.
Referring to FIG. 4, in one embodiment of the present invention, the drive gear 72 is connected to a transfer gear 732 via an idler gear 74. The idler gear 74 can be used for adjusting the relative positions of the driving gear 72 and the transmission gear 732, thereby being convenient for different occasions.
Referring to fig. 5, in another embodiment of the present invention, the driving gear 72 is connected to a transmission gear 732 on the output gear 73 via a transmission belt 75.
Preferably, the housing 71 includes a gearbox cover 711 and a gearbox housing 712 that are connected to each other.
Preferably, the driving motor 5 is connected to the lower surface of the middle portion of the slide connecting bridge 3 via a L-type connecting plate 8.
The above is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (5)
1. The utility model provides a transmission system of electronic long slide rail, the slide rail includes left rail assembly and right rail assembly, left side rail assembly includes sliding connection's upper left rail and left lower rail, right side rail assembly includes sliding connection's upper right rail and right lower rail, its characterized in that, the system includes:
the left side and the right side of the sliding rail connecting bridge are respectively fixed above the left upper rail and the right upper rail;
the racks are respectively and horizontally fixed in the inner grooves of the left lower rail and the right lower rail;
the driving module is connected to the lower surface of the middle part of the slide rail connecting bridge;
the middle part of the transmission rod is connected with the output end of the driving module;
the transmission module is respectively fixed inside the left upper rail and the right upper rail and comprises a shell, a driving gear and an output gear, the driving gear and the output gear are both positioned inside the shell, the driving gear is also connected with one end of the transmission rod, the output gear comprises an integrally formed meshing gear and a transmission gear, the meshing gear and the transmission gear are coaxial, the driving gear is connected with the transmission gear, and the meshing gear is meshed with the rack;
the shell comprises a gear box cover plate and a gear box body which are connected with each other;
the shape of the transmission rod is an asymmetric hexagon;
the left upper rail and the right upper rail respectively comprise a first half rail, a second half rail and a spring piece, the first half rail and the second half rail mutually enclose and clamp the shell, the shell is locked with the first half rail and the second half rail through bolts, one end of the spring piece is fixedly connected with the upper end of the first half rail, and the other end of the spring piece is fixedly connected with the surface of the shell through screws.
2. The transmission system of an electric long sliding rail according to claim 1, wherein the driving gear is connected to the transmission gear via an idler gear.
3. The transmission system of an electric long sliding rail according to claim 1, wherein the driving gear is connected to the transmission gear via a transmission belt.
4. The transmission system of electric long sliding rail according to claim 1, wherein the driving module is connected to the lower surface of the middle part of the sliding rail connecting bridge through L type connecting plate.
5. The transmission system of electric long slide rail according to claim 1, wherein the driving module is a driving motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810984861.6A CN109050353B (en) | 2018-08-28 | 2018-08-28 | Transmission system of electric long slide rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810984861.6A CN109050353B (en) | 2018-08-28 | 2018-08-28 | Transmission system of electric long slide rail |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109050353A CN109050353A (en) | 2018-12-21 |
| CN109050353B true CN109050353B (en) | 2020-07-24 |
Family
ID=64757369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810984861.6A Active CN109050353B (en) | 2018-08-28 | 2018-08-28 | Transmission system of electric long slide rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109050353B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109774544A (en) * | 2019-02-14 | 2019-05-21 | 延锋安道拓座椅有限公司 | A kind of electrically sliding rail transmission system |
| CA3133461A1 (en) * | 2019-03-14 | 2020-09-17 | Magna Seating Inc. | Long rail assembly with internal power driving system |
| CN110877552A (en) * | 2019-11-04 | 2020-03-13 | 无锡锡玮科技有限公司 | Symmetrical long-distance aluminum alloy electric sliding rail |
| CN110758186A (en) * | 2019-11-04 | 2020-02-07 | 无锡锡玮科技有限公司 | Aluminum alloy electric sliding rail for automobile seat |
| CN110803074A (en) * | 2019-11-04 | 2020-02-18 | 无锡锡玮科技有限公司 | Symmetrically-unfolded fin-type long-distance aluminum alloy electric sliding rail |
| CN110834572A (en) * | 2019-11-04 | 2020-02-25 | 无锡锡玮科技有限公司 | Asymmetric long-distance aluminum alloy electric sliding rail with avoiding position |
| CN110758185A (en) * | 2019-11-04 | 2020-02-07 | 无锡锡玮科技有限公司 | Asymmetric long-distance aluminum alloy electric sliding rail |
| CN112208400B (en) * | 2020-09-25 | 2022-04-29 | 东风汽车有限公司 | Automobile seat slide rail device |
| CN113232556B (en) * | 2021-05-21 | 2022-07-26 | 浙江龙生汽车部件科技有限公司 | Double-screw-rod long slide rail for automobile seat and transmission method thereof |
| CN113997834A (en) * | 2021-12-13 | 2022-02-01 | 佛吉亚(无锡)座椅部件有限公司 | Double-motor driven long sliding rail device for automobile seat |
| WO2024037199A1 (en) * | 2022-08-19 | 2024-02-22 | 恺博(常熟)座椅机械部件有限公司 | Electric sliding rail geared transmission structure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4032678C1 (en) * | 1990-10-15 | 1992-02-13 | Brose Fahrzeugteile Gmbh & Co Kg, 8630 Coburg, De | |
| CN203391641U (en) * | 2013-06-24 | 2014-01-15 | 富卓汽车内饰（安徽）有限公司 | Hexagonally-adjustable vehicle seat base device |
| CN204055423U (en) * | 2014-09-12 | 2014-12-31 | 安徽工程大学 | A kind of seat adjustment device |
| CN207697545U (en) * | 2017-12-26 | 2018-08-07 | 浙江龙生汽车部件科技有限公司 | A kind of truck seat sliding rail |
| CN108394317B (en) * | 2018-03-15 | 2020-10-23 | 蔚来(安徽)控股有限公司 | Seat sliding device, seat and automobile comprising seat |
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2018
- 2018-08-28 CN CN201810984861.6A patent/CN109050353B/en active Active
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| Publication number | Publication date |
|---|---|
| CN109050353A (en) | 2018-12-21 |
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Address after: 451 dieqiao Road, Kangqiao Town, Pudong New Area, Shanghai, 200120 Patentee after: Kaibo seat mechanical parts Co.,Ltd. Address before: 451 dieqiao Road, Kangqiao Town, Pudong New Area, Shanghai, 200120 Patentee before: YANFENG ADIENT SEAT MACHINERY PARTS Co.,Ltd. |