CN220363255U - Electronic long slide rail of hold-in range drive - Google Patents
Electronic long slide rail of hold-in range drive Download PDFInfo
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- CN220363255U CN220363255U CN202322077241.3U CN202322077241U CN220363255U CN 220363255 U CN220363255 U CN 220363255U CN 202322077241 U CN202322077241 U CN 202322077241U CN 220363255 U CN220363255 U CN 220363255U
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- unlocking
- synchronizing wheel
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 59
- 239000002184 metal Substances 0.000 claims description 13
- 230000000712 assembly Effects 0.000 claims description 11
- 238000000429 assembly Methods 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 4
- 230000007547 defect Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009699 differential effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- Seats For Vehicles (AREA)
Abstract
The utility model provides an electric long slide rail driven by a synchronous belt, which relates to the field of automobile seats and comprises two movable components and a lower rail, wherein synchronous wheels are connected in the two movable components, the synchronous belt is arranged in the lower rail, two ends of the synchronous belt are fixed on the ground, and gear sets are arranged on the two movable components; each gear set comprises a bracket, a first gear coaxially rotated with the synchronizing wheel, a second gear meshed with the first gear, and a driving motor for driving the two second gears to simultaneously rotate, and the two gear sets are matched with the synchronizing wheel in a linkage manner, so that the synchronous wheel is adjusted to be smaller in size, the front and rear rotating speeds of the synchronizing wheel are kept consistent, the defect of original size in rotating speed is overcome, and the synchronizing wheel of smaller size reduces the overall height, thereby being beneficial to improving the overall adaptability of the equipment.
Description
Technical Field
The utility model relates to the field of automobile seats, in particular to an electric long slide rail driven by a synchronous belt.
Background
With the improvement of the quality requirements of people on automobiles, the market requirements of the traditional seat hand-pulling type sliding adjustment mode are difficult to meet, and automobile enterprises also develop and manufacture various electric sliding rails for improving automobile configuration, so that the seat adjustment is automated and memorized.
The electric slide rail is mainly provided with two types at present, namely gear-rack transmission and screw transmission, wherein the screw transmission mode is widely used in the electric slide rail of the automobile seat due to the advantages of low noise, compact moving linear structure and the like; industry defines that the travel of the electric long slide rail is more than 350mm.
In the patent with the application number of CN202320931285.5, the device comprises two movable components and lower rails respectively used for guiding the two movable components, wherein synchronous wheels are rotatably connected in the two movable components, driving shafts are connected to the two synchronous wheels, and a driving motor used for driving the shafts to rotate is arranged between the two movable components; the synchronous wheel is large in diameter, so that the overall gravity center of the movable assembly sliding along the sliding rail is high, the overall movable assembly with the high gravity center is unstable in the reciprocating motion process on the sliding rail, unsafe factors exist, the size of the synchronous wheel is reduced, the overall height is reduced, and the original transmission speed of the synchronous wheel can be considered at the same time, so that the problem to be solved at present.
Disclosure of Invention
The utility model aims to provide an electric long slide rail driven by a synchronous belt, which can solve the defects of the prior art, and can meet the requirement that the volume of a synchronous wheel is reduced and compensate the loss of the synchronous wheel.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides an electronic long slide rail of hold-in range drive, it includes two movable components and is used for the lower rail of two movable component direction respectively, and the inside of two movable components is all rotated and is connected with the synchronizing wheel, and the internally mounted of lower rail has the hold-in range of synchronizing wheel meshing, and the both ends of hold-in range are all connected on ground through the fixing base, and the gear train is all installed to two opposite sides between two movable components;
each gear set comprises a bracket, a first gear for driving the synchronous wheel to rotate is arranged in the bracket, a first connecting shaft is connected between the first gear and the synchronous wheel, and a second gear meshed with the first gear is rotationally connected with the bracket;
a driving motor is arranged between the two movable assemblies, a driving shaft is arranged on a rotating shaft of the driving motor, and two ends of the driving shaft are respectively connected with two second gears.
Further, in the utility model, the two movable components comprise self-locking devices, and the lower rail is provided with a groove matched with the self-locking devices;
the two self-locking devices comprise unlocking plates, an upper rail is connected below the unlocking plates, an elastic metal rod is inserted into the upper rail, a locking piece is connected in the upper rail in a rotating mode, the elastic metal rod is abutted to the lower portion of the locking piece, the locking piece is enabled to be overturned upwards and abutted to the inside of the groove by the elastic metal rod, unlocking pieces for pressing the locking piece downwards are connected to the two unlocking plates in a rotating mode, the two unlocking pieces are connected through an unlocking shaft, and an unlocking motor for driving the unlocking shaft to rotate is installed between the two movable components.
Further, in the utility model, the front support plate and the rear support plate are respectively arranged at two sides of the upper rail, and the roller wheels are arranged at the bottoms of the front support plate and the rear support plate.
Further, in the present utility model, the upper rail is rotatably connected with two fixed pulleys, and the two fixed pulleys are located at two sides below the synchronizing wheel and symmetrically distributed about the central axis of the synchronizing wheel.
Further, in the utility model, the movable assembly comprises a first side plate and a second side plate, the first side plate and the second side plate are arranged in parallel, a front fixed block and a rear fixed block are respectively and fixedly connected to two sides of the first side plate and the second side plate, and the synchronizing wheel and the unlocking plate are both arranged between the front fixed block and the rear fixed block.
The utility model has at least the following advantages or beneficial effects:
in the method, the two gear sets are in linkage fit with the synchronous wheel, so that the synchronous wheel can rotate at a high speed when the synchronous wheel is adjusted to be smaller in size, and the defect of the original size in rotating speed after the original size is reduced is overcome; and, because the gear train cooperation driving motor that the scheme adopted drives two synchronizing wheels synchronous rotation, for two gear trains setting up in two movable assembly one side near the center, make its whole operation of equipment more steady, and adopted the synchronizing wheel of less size to reduce original overall height, help improving the holistic suitability of equipment.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of the whole structure of the present utility model;
FIG. 2 is a perspective assembly view of the whole structure of the embodiment of the utility model;
FIG. 3 is a schematic overall side view of an embodiment of the present utility model;
FIG. 4 is an enlarged schematic view of the portion A in FIG. 3 according to an embodiment of the present utility model;
fig. 5 is a schematic perspective view of the whole structure of the embodiment of the present utility model.
Icon: 1. a fixing seat; 2. a synchronous belt; 3. a movable assembly; 4. a front fixed block; 5. a synchronizing wheel; 6. a rear support plate; 7. unlocking the sheet; 8. a rear fixed block; 9. a front support plate; 10. a bracket; 11. a first gear; 12. a second gear; 13. a first connecting shaft; 14. an unlocking shaft; 15. a drive shaft; 16. a locking member; 17. an elastic metal rod; 18. a top rail; 19. a roller; 20. a fixed pulley; 21. a driving motor; 22. and unlocking the motor.
Detailed Description
Example 1
Referring to fig. 1-5, the present embodiment provides an electric long sliding rail driven by a synchronous belt 2, which includes two movable components 3 and a lower rail for guiding the two movable components 3, wherein the two movable components 3 are rotatably connected with a synchronous wheel 5, the synchronous belt 2 meshed with the synchronous wheel 5 is installed in the lower rail, two ends of the synchronous belt 2 are connected to the ground through a fixed seat 1, and gear sets are installed on two opposite sides between the two movable components 3;
each gear set comprises a bracket 10, a first gear 11 for driving the synchronous wheel 5 to rotate is arranged in the bracket 10, a first connecting shaft 13 is connected between the first gear 11 and the synchronous wheel 5, and a second gear 12 meshed with the first gear 11 is connected in a rotating manner in the bracket 10;
a driving motor 21 is arranged between the two movable assemblies 3, a driving shaft 15 is arranged on the rotating shaft of the driving motor 21, and two ends of the driving shaft 15 are respectively connected with two second gears 12.
When the synchronous wheel 5 is used, the synchronous wheel 5 rotates in the movable assembly 3, and the synchronous wheel 5 is meshed with the synchronous belt 2, so that the movable assembly 3 is integrally movable along the laying direction of the lower rail, and the synchronous wheel 5 is driven to design in the following driving mode:
the driving motor 21 drives the synchronous wheels 5 of the two movable assemblies 3 to synchronously rotate through a gear set, the gear set is composed of a bracket 10, a first gear 11, a first connecting shaft 13 and a second gear 12, the first gear 11 and the second gear 12 which are meshed with each other are horizontally arranged in the bracket 10, the first gear 11 and the second gear 12 are connected with the synchronous wheels 5 and the first gear 11 through the first connecting shaft 13, so that the synchronous wheels 5 and the first gear 11 coaxially rotate, and the second gear 12 is connected with the driving motor 21 through a driving shaft 15; the driving motor 21 can be controlled to be started subsequently to drive the second gear 12 to rotate, and then the second gear 12 drives the first gear 11 and the synchronizing wheel 5 to synchronously rotate.
The synchronous wheels 5 with smaller sizes are in linkage fit with the gear sets to rotate at a high speed, so that the defect that the synchronous wheels 5 with larger sizes are replaced with the synchronous wheels 5 with smaller gears in rotation speed is overcome, and the gear sets adopted in the scheme are matched with the driving motor 21 to drive the two synchronous wheels 5 to synchronously rotate, so that the whole operation of the equipment is more stable relative to the two gear sets arranged on one side, close to the center, of the two movable assemblies 3, and the original height is reduced by adopting the synchronous wheels 5, so that the whole suitability of the equipment is improved.
It should be noted that, the two gear sets are installed between the two movable assemblies 3, and the gear sets and the movable assemblies 3 are horizontally distributed, and the first gear 11 and the second gear 12 in the gear sets are adjusted in size to ensure that the overall running speed is consistent before and after, for example, the diameter of the second gear 12 can be selected to be larger than that of the first gear 11, and the differential effect can be reduced before and after the adjustment by selecting the gears with unequal diameters.
Example 2
The embodiment is further improved based on the previous embodiment, and the two movable components 3 comprise self-locking devices, and the lower rail is provided with a groove matched with the self-locking devices; the two self-locking devices comprise unlocking plates, an upper rail 18 is connected below the unlocking plates, an elastic metal rod 17 is inserted into the upper rail 18, a locking piece 16 is connected in a rotating mode in the upper rail 18, the elastic metal rod 17 is abutted to the lower portion of the locking piece 16, the locking piece 16 is enabled to be overturned upwards and abutted to the inside of a groove by the elastic metal rod 17, unlocking pieces 7 for pressing the locking piece 16 downwards are connected to the two unlocking plates in a rotating mode, the two unlocking pieces 7 are connected through an unlocking shaft 14, and an unlocking motor 22 for driving the unlocking shaft 14 to rotate is installed between the two movable assemblies 3.
An upper rail 18 is arranged below the unlocking plate, an elastic metal rod 17 is arranged in the upper rail 18, a rotatable locking piece 16 is arranged in the upper rail 18, and the subsequent elastic metal rod 17 is abutted against the bottom of the locking piece 16 and provides upward thrust, so that the elastic metal rod 17 rotates upwards by taking a rotation joint as a center, and then the locking piece 16 is turned upwards and abutted against the groove, so that the whole movable assembly 3 is limited to continue to move left and right in the lower rail;
meanwhile, in order to meet the requirement that the locking piece 16 is required to be separated from the matching with the groove when the whole movable assembly 3 continues to move left and right in the lower rail, the locking piece 16 is required to move downwards, the unlocking plate is rotationally connected with the unlocking piece 7 for pressing the locking piece 16 downwards, an unlocking motor 22 for driving the unlocking shaft 14 to rotate is arranged between the movable assemblies 3, the unlocking plate is driven to rotate through the unlocking motor 22, the locking piece 16 is caused to overturn downwards and separate from the matching with the groove, and then the purpose that the whole movable assembly 3 moves left and right in the lower rail is achieved.
Further, in the present utility model, the front support plate 9 and the rear support plate 6 are respectively mounted on both sides of the upper rail 18, and the rollers 19 are mounted on the bottoms of the front support plate 9 and the rear support plate 6, so that the front support plate 9 and the rear support plate 6 support the front and rear rollers 19, and the rollers 19 support the movable assembly 3 integrally in the rail and travel forward and backward in a rolling manner by themselves, in order to ensure that the upper rail 18 moves in the rail and reduce friction resistance of contact portions of the two.
Further, in the present utility model, the upper rail 18 is rotatably connected with two fixed pulleys 20, the two fixed pulleys 20 are located at two sides below the synchronizing wheel 5 and symmetrically distributed about the central axis of the synchronizing wheel 5, and the two fixed pulleys 20 limit the synchronous belt 2 on the synchronizing wheel 5, so that the force bearing area of the synchronous belt 2 meshed with the synchronizing wheel 5 is larger, the force of the tensioning wheel on the original synchronous belt 2 attaching to the surface of the synchronous belt 2 is improved, and the synchronous belt 2 is less likely to be separated from the synchronizing wheel 5.
Further, in the present utility model, the above-mentioned movable assembly 3 includes a first side plate and a second side plate, where the first side plate and the second side plate are disposed in parallel, two sides of the first side plate and the second side plate are fixedly connected with a front fixing block 4 and a rear fixing block 8 respectively, the synchronizing wheel 5 and the unlocking plate are both disposed between the front fixing block 4 and the rear fixing block 8, a certain gap is provided between the first side plate and the second side plate, and the gap is used for accommodating the synchronizing wheel 5 and the unlocking plate, and is convenient for the synchronous belt 2 to penetrate into the gap, so as to further ensure that the synchronous belt 2 cannot be separated from the synchronizing wheel 5.
In summary, the embodiment of the utility model provides an electric long sliding rail driven by a synchronous belt 2, and the synchronous wheels 5 with smaller sizes are rotated at high speed by the linkage and matching of the gear sets, so that the defect of rotating speed after the synchronous wheels 5 with larger sizes are replaced by the synchronous wheels 5 with smaller sizes is overcome, and the gear sets adopted in the scheme are matched with a driving motor 21 to drive the two synchronous wheels 5 to synchronously rotate, so that the whole operation of the equipment is more stable relative to the two gear sets arranged on one side of the two movable assemblies 3 close to the center, and the original height is reduced by adopting the synchronous wheels 5, thereby being beneficial to improving the whole adaptability of the equipment.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. The utility model provides a synchronous belt driven electronic long slide rail which is characterized in that, including two movable components (3) and be used for the lower rail of two movable components (3) direction respectively, two the inside of movable components (3) is all rotated and is connected with synchronizing wheel (5), the internally mounted of lower rail has synchronous belt (2) that synchronizing wheel (5) meshed, the both ends of synchronous belt (2) are all connected at ground through fixing base (1), two opposite both sides face between movable components (3) all installs the gear train;
each gear set comprises a bracket (10), a first gear (11) for driving the synchronous wheel (5) to rotate is arranged in the bracket (10), a first connecting shaft (13) is connected between the first gear (11) and the synchronous wheel (5), and a second gear (12) meshed with the first gear (11) is rotationally connected in the bracket (10);
a driving motor (21) is arranged between the two movable assemblies (3), a driving shaft (15) is arranged on a rotating shaft of the driving motor (21), and two ends of the driving shaft (15) are respectively connected with two second gears (12).
2. The electric long slide rail according to claim 1, characterized in that each movable assembly (3) comprises a self-locking device, the lower rail being provided with a groove cooperating with the self-locking device;
the two self-locking devices comprise unlocking plates, an upper rail (18) is connected below the unlocking plates, elastic metal rods (17) are inserted into the upper rail (18), locking pieces (16) are connected in a rotating mode on the upper rail (18), the elastic metal rods (17) are abutted to the lower portions of the locking pieces (16), the locking pieces (16) are enabled to be overturned upwards and abutted to the grooves through the elastic metal rods (17), unlocking pieces (7) for pressing the locking pieces (16) are connected to the unlocking plates in a rotating mode, the unlocking pieces (7) are connected through unlocking shafts (14), and an unlocking motor (22) for driving the unlocking shafts (14) to rotate is installed between the two movable assemblies (3).
3. The electric long slide rail according to claim 2, characterized in that the front support plate (9) and the rear support plate (6) are respectively installed on two sides of the upper rail (18), and rollers (19) are installed at bottoms of the front support plate (9) and the rear support plate (6).
4. The electric long slide rail according to claim 2, characterized in that the upper rail (18) is rotatably connected with two fixed pulleys (20), and the two fixed pulleys (20) are positioned at two sides below the synchronizing wheel (5) and symmetrically distributed about the central axis of the synchronizing wheel (5).
5. The electric long sliding rail according to claim 1, wherein the movable assembly (3) comprises a first side plate and a second side plate, the first side plate and the second side plate are arranged in parallel, two sides of the first side plate and the second side plate are respectively fixedly connected with a front fixing block (4) and a rear fixing block (8), and the synchronizing wheel (5) and the unlocking plate are both arranged between the front fixing block (4) and the rear fixing block (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322077241.3U CN220363255U (en) | 2023-08-03 | 2023-08-03 | Electronic long slide rail of hold-in range drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322077241.3U CN220363255U (en) | 2023-08-03 | 2023-08-03 | Electronic long slide rail of hold-in range drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220363255U true CN220363255U (en) | 2024-01-19 |
Family
ID=89518347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322077241.3U Active CN220363255U (en) | 2023-08-03 | 2023-08-03 | Electronic long slide rail of hold-in range drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220363255U (en) |
-
2023
- 2023-08-03 CN CN202322077241.3U patent/CN220363255U/en active Active
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