CN113320450B - Electric sliding rail of automobile seat - Google Patents
Electric sliding rail of automobile seat Download PDFInfo
- Publication number
- CN113320450B CN113320450B CN202110675722.7A CN202110675722A CN113320450B CN 113320450 B CN113320450 B CN 113320450B CN 202110675722 A CN202110675722 A CN 202110675722A CN 113320450 B CN113320450 B CN 113320450B
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- Prior art keywords
- locking
- seat
- transmission
- slide
- sliding
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- 230000005540 biological transmission Effects 0.000 claims abstract description 105
- 230000009467 reduction Effects 0.000 claims description 16
- 210000002105 tongue Anatomy 0.000 claims 4
- 230000007246 mechanism Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
-
- 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
-
- 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
- B60N2/04—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
- B60N2/08—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 characterised by the locking device
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The utility model provides an electronic slide rail of car seat, includes a pair of slide rail and a pair of slide, and the top of two slides is fixed with the transmission seat respectively, establishes sliding motor between two transmission seats, has the locking motor on one of them transmission seat, characteristics: the left and right ends of the sliding seat are respectively provided with a pair of locking cams connected with a locking motor, the locking cams are provided with an upper flange and a lower flange and are locked with the upper surface and the lower surface of the inner side of the sliding rail in a matched mode through rotation, the sliding rail is internally provided with a traction belt respectively, the two ends of the traction belt are respectively connected with the inner side wall of the sliding rail, the left and right ends of the sliding seat are respectively provided with a pair of left pulleys and a pair of right pulleys connected with the sliding motor, one side face of each right pulley is provided with a traction wheel, the sliding seat is provided with tension wheels on the left and right sides of the corresponding traction wheel, and the traction belt is wound on the corresponding traction wheel and is clamped between the traction wheel and the tension wheels through the tension wheels on the two sides. Eliminating jolt feeling caused by gear-rack transmission matching and reducing the precision requirements of processing and mounting the electric slide rail; the stability and the service life of the locking structure are improved.
Description
Technical Field
The invention belongs to the technical field of automobile seat sliding rails, and particularly relates to an electric sliding rail of an automobile seat.
Background
Along with the popularization of automobiles in the life of people, the requirements of people on the comfort level and the safety of the automobiles are higher and higher, and an automobile seat is one of the most main components of the automobiles, so that the automobile seat is the most basic guarantee of the comfort level and the safety of the automobiles, and in order to adapt to different people to drive the automobiles, the seat is generally designed into a structure capable of sliding forwards and backwards through a sliding rail, and along with the progress of science and technology, the seat is gradually popularized from manual sliding to electric sliding. The current electric sliding rail structure mainly comprises the following components: firstly, a motor is adopted to drive a gear on the seat to slide on a rack, and a locking mechanism is matched to prevent safety accidents and motor damage caused by seat movement; and secondly, a structure that a motor drives a worm gear box and a seat to slide on a screw rod or a structure that the motor drives the screw rod to rotate so as to drive a slide block on the screw rod and the seat to slide are adopted. The locking mechanism has the advantages that the locking mechanism can feel obvious bumpy feel in the use process, the locking structure is generally complex and poor in stability, the locking mechanism is possibly invalid due to the extension of the use time and the deformation of the sliding rail, and meanwhile, the problems of high cost and short service life of the locking structure exist; the latter can not use locking mechanism to lock, but the whole machining precision of structure and installation accuracy's requirement is higher, and a little deviation just probably leads to the slider card to die on the screw rod, and can appear the deformation of slide rail and the condition that screw rod thread clearance grow along with the extension of live time, not only makes the seat produce rocking, still can destroy the cooperation of slider and screw rod and make the slide rail unable to use, so the electronic slide rail of above-mentioned structure generally can not satisfy consumer's demand.
In the prior art, as provided in chinese patent application publication No. CN112208400a, "an automobile seat slide rail device" includes: the sliding rail is provided with a rack; the seat support seat is slidably arranged on the sliding rail and is internally provided with a containing cavity; the automobile seat is fixedly arranged on the seat support seat; the driving motor is arranged in the accommodating cavity and is fixedly connected with the seat supporting seat; the output shaft of the driving motor is a threaded screw rod; the transmission mechanism is arranged in the accommodating cavity and is fixedly connected with the seat supporting seat; the transmission mechanism comprises a helical gear and a straight gear which are coaxially integrated, the helical gear is meshed with the threaded screw rod, and the straight gear is meshed with the rack on the sliding rail. As another example, the "a slide rail assembly for an automobile seat" disclosed in the chinese patent application publication No. CN208978662U includes two slide rail sets and a horizontal bracket, the slide rail sets include an upper slide rail, a lower slide rail, a screw rod, a front end bracket, a rear end bracket, a gear box and a carrier plate, the upper slide rail is provided with a stopper for limiting the carrier plate, the front end bracket and the rear end bracket are both solid block structures, positioning structures are arranged below the front end bracket and the rear end bracket, positioning structures are also arranged above the gear box bracket, and the horizontal bracket is a three-section structure composed of a middle bracket, a horizontal left bracket and a horizontal right bracket. The former adopts a structure that a gear and a rack are matched to slide, the problem that the upper section has obvious bumpy feel during sliding exists, and the latter adopts a structure that a motor driving screw, a gear box and a seat are moved, and the seat can be moved rapidly and effectively, but the problems that the processing and mounting precision requirements in the upper section are high and the service life is short still exist.
In view of the above, it is necessary to design an electric slide rail of an automobile seat that has a simple structure, low machining and mounting accuracy, long service life, can eliminate a feeling of jolt caused by sliding the seat, and has a simple and stable locking structure. To this end, the inventors have advantageously devised that the technical solutions described below are created in this context.
Disclosure of Invention
The invention aims to provide an electric sliding rail of an automobile seat, which is beneficial to improving a transmission structure of the electric sliding rail to eliminate jolt feeling of seat movement and reduce the processing and mounting precision of the sliding rail, and is beneficial to simplifying and improving a locking structure of the electric sliding rail to improve the stability of locking and prolong the service life.
The invention aims to achieve the aim, the electric sliding rail of the automobile seat comprises a pair of sliding rails and a pair of sliding seats which are respectively arranged in the corresponding sliding rails and can slide along the length direction of the sliding rails, a transmission seat is respectively fixed above the two sliding seats, a sliding motor is arranged between the two transmission seats, a locking motor is fixedly arranged on one transmission seat, a pair of locking cams which are in transmission connection with the locking motor are respectively arranged at the left end and the right end of the sliding seat, the locking cams form an upper flange and a lower flange and are locked with the upper surface and the lower surface of the inner side of the sliding rails in a matching way through rotation, a pair of traction belts are respectively arranged in the sliding rails, two ends of each traction belt are respectively fixedly connected with the inner side walls of the sliding rails, a pair of left pulleys and a pair of right pulleys which are in transmission connection with the sliding motor are respectively arranged at the left end and the right end of each sliding seat, a traction wheel is respectively formed on one side surface far away from the corresponding sliding seat, a pair of expansion wheels are respectively arranged at the left side and right side of the corresponding traction wheels, and the sliding seat is respectively provided with a pair of expansion wheels respectively, and the traction belts are respectively wound on the corresponding traction wheels and the expansion wheels through the expansion wheels.
In a specific embodiment of the invention, a sliding rail cavity is formed in the sliding rail, a sliding rail cavity opening is formed above the sliding rail cavity, a pair of upward protruding pulley supporting bars are respectively arranged at the bottom of the sliding rail cavity along the length direction, the left pulley and the right pulley are respectively supported on the corresponding pulley supporting bars to slide, the upper flange and the lower flange are respectively matched and locked with the upper side wall of the sliding rail cavity above the pulley supporting bars and the pulley supporting bars, the lower end of the sliding seat is arranged in the sliding rail cavity, the upper end of the sliding seat extends out of the corresponding sliding rail cavity opening, the traction belt is respectively arranged at the position between the pulley supporting bars at two sides and the inner side wall of the adjacent sliding rail cavity, and two ends of the traction belt are respectively fixed in the sliding rail cavity through a traction belt fixing head.
In another specific embodiment of the invention, a slide seat cavity with a downward opening is respectively formed in the slide seat, a locking block is respectively arranged in the slide seat cavity, a locking column is respectively and upwardly fixed at the middle position of the locking block, a locking block reset spring is respectively and fixedly arranged at the positions of the left side and the right side of the locking column, the lower end of the locking block reset spring is respectively connected with the corresponding locking block, the upper end of the locking block reset spring is connected with the upper side wall of the slide seat, the upper end of the locking column penetrates through the slide seat and upwardly extends, and a locking column sleeve is respectively arranged between the locking column and the slide seat; the locking motor is in transmission connection with a locking spline shaft, the locking spline shaft sequentially penetrates through the two transmission seats, the locking spline shaft is respectively fixed with a lock tongue at the position corresponding to the transmission seats, one end of the lock tongue is respectively abutted against the upper part of the corresponding lock column, and the other end of the lock tongue is provided with a lock tongue spline hole in transmission fit with the spline shaft; the left side and the right side that lie in the locking piece in the slide intracavity be provided with a locking plate respectively, the middle part of locking plate rotationally fixes at the slide intracavity through a locking plate axle respectively, the one end tip of locking plate supports respectively and leans on the below of corresponding locking piece and be connected with a locking plate reset spring respectively in one side of tip position department, locking plate reset spring's one end upwards be connected with the upper side wall of slide, the front and back adjacent two locking cams between be fixed with a locking camshaft respectively, locking camshaft rotationally set up on the slide, the front and back adjacent two locking cams between be connected with a locking cam pin joint lever, the other end of locking plate and the locking cam pin joint lever of corresponding one side locking cam are articulated each other.
In another specific embodiment of the present invention, the upper side wall of the sliding seat is respectively provided with a locking block reset spring hanging lug at a position corresponding to the locking block reset spring, the locking block is respectively provided with a locking block reset spring fixing hole at a position corresponding to the locking block reset spring, the lower part of the locking block reset spring is of a horn-shaped structure with a diameter larger than that of the locking block reset spring fixing hole, the locking block reset spring passes through the corresponding locking block reset spring fixing hole from bottom to top and is connected with the locking block reset spring hanging lug, the sliding seat is respectively provided with a locking block reset spring hanging lug at a position connecting with the locking block reset spring, the locking block reset spring is respectively provided with a locking block reset spring connecting hole at a position connecting with the locking block reset spring, the front and rear side edges of the locking block are respectively provided with a group of locking block limiting plates at intervals along the length direction, and the front and rear side surfaces of the sliding seat are respectively provided with a limiting groove extending downwards at a position corresponding to the locking block limiting plate, and the sliding limiting grooves are respectively arranged at positions corresponding to the locking block limiting plates.
In still another specific embodiment of the present invention, the front and rear lower edges of the sliding seat are respectively and outwardly folded with a sliding seat limit flange, the locking cams are respectively disposed at positions between the sliding seat limit flange and the sliding seat on the corresponding side, and the sliding seat limit flanges are respectively provided with a locking cam abdicating groove at positions corresponding to the locking cams.
In a further specific embodiment of the present invention, two adjacent right pulleys are fixedly connected and rotationally arranged on the sliding seat through a right pulley shaft, the sliding seat is respectively provided with a transmission frame at a position corresponding to the upper part of the right pulley, the transmission frames are respectively fixed on the sliding seat through a pair of transmission frame screws, a transmission wheel is rotationally arranged on the transmission frames, the transmission wheel is in transmission connection with the right pulley shaft through a transmission belt, a motor mounting frame is fixed between the two transmission seats, a transmission box is fixed below the motor mounting frame, one side of the transmission box is fixed with a reduction box, the sliding motor is fixed on the reduction box and is in transmission connection with the reduction box, a reduction box output shaft of the reduction box is connected with a driving wheel after passing through the transmission box, a driven wheel is also arranged in the transmission box, the driving wheel and the driven wheel are respectively connected through a transmission box belt, a driven wheel shaft is formed on the driven wheel, two ends of the driven wheel shaft respectively extend out of the two sides of the transmission box and respectively form a spline head corresponding to one side of the driven wheel, and the spline head is respectively matched with the spline head of the driven wheel.
In a further specific embodiment of the present invention, a seat mounting seat is respectively fixed at the left and right ends of the sliding seat, a gap eliminating block is respectively disposed at the front and rear sides of the lower end of the seat mounting seat, and a seat mounting hole is respectively formed at the upper end of the seat mounting seat.
In a further specific embodiment of the present invention, the sliding rail is embedded with a dust-proof strip at the front and rear edges above the opening of the sliding rail cavity.
In still another specific embodiment of the present invention, a set of slide fixing screws are respectively disposed below the slide rail and spaced apart along the length direction.
In a further embodiment of the present invention, the transmission seat is provided with a transmission seat fixing hole, the transmission seat is fixedly connected with the slide seat bolt through the transmission seat fixing hole, and the middle part of the transmission seat is provided with a lock cylinder abdicating hole.
After the structure is adopted, the invention has the beneficial effects that: firstly, because the traction wheel and the tension wheel are matched to clamp the traction belt and drive the traction wheel to rotate through the motor to drag the sliding seat to slide, the bumpy feeling caused by the matching of the gear and the rack is eliminated, and the precision requirements of processing and mounting the electric sliding rail are greatly reduced; secondly, because the structure that the motor pushes the locking block to move to enable the locking plate and the locking cam to rotate is adopted, the locking cam can be locked through flanges on the upper side and the lower side, even if the locking cam is worn or the sliding rail is deformed, effective locking can be carried out only by abutting one side flange on the sliding rail, and the stability and the service life of the locking structure are greatly improved.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a schematic structural view of the sliding seat according to the present invention.
Fig. 3 is a schematic structural view of the sliding motor according to the present invention.
In the figure: 1. the device comprises a sliding rail, a traction belt fixing head, a sliding rail cavity opening, a pulley support bar, a dust prevention bar and a sliding rail fixing screw, wherein the sliding rail is 11, the traction belt is 111, the sliding rail cavity is 121, the pulley support bar is 13, the dust prevention bar is 14, and the sliding rail is 15; 2. the seat assembly includes, by weight, a slide seat, 21, a locking cam, 211, an upper flange, 212, a lower flange, 213, a locking cam shaft, 214, a locking cam hinge lever, 22, a left pulley, 23, a right pulley, 231, a traction wheel, 232, a right pulley shaft, 24, a tensioner, 25, a slide seat cavity, 251, a limit groove, 26, a locking block, 261, a locking column, 2611, a locking column sleeve, 262, a locking block return spring, 2621, a locking block return spring hanger, 263, a locking block return spring fixing hole, 264, a locking block limit plate, 27, a locking plate, 271, a locking plate shaft, 272, a locking plate return spring, 2721, a locking plate return spring hanger, 273, a locking plate return spring connecting hole, 28, a slide seat limit flange, 281, a locking cam relief groove, 29, 291, a transmission frame screw, 292, 293, a transmission belt, 30, a seat mount, 301, a clearance elimination block, 302, and a seat mount hole. 3. The transmission seat, 31, the motor mounting frame, 32, the transmission seat fixing hole, 33, the lock column abdicating hole; 4. the gear box comprises a sliding motor, a 41-speed gearbox, a 411-speed driving wheel, a 412-speed driven wheel, a 4121-speed driven wheel shaft, a 4122-speed driven wheel shaft spline head, a 413-speed gearbox belt, a 42-speed reduction gearbox and a 421-speed reduction gearbox output shaft. 5. Locking motor, 51, locking spline shaft, 52, spring bolt, 521, spring bolt splined hole.
Detailed Description
The following detailed description of specific embodiments of the invention, taken in conjunction with the accompanying drawings, is not intended to limit the scope of the invention, but rather should be construed to cover any and all modifications that may fall within the spirit and scope of the invention.
In the following description, any terms related to the directions or azimuths of up, down, left, right, front and rear are all related to the current position state of fig. 1, and thus should not be construed as a specific limitation on the technical solution provided by the present invention.
Referring to fig. 1 in combination with fig. 2 and 3, the present invention relates to an electric sliding rail of an automobile seat, which comprises a pair of sliding rails 1 and a pair of sliding seats 2 respectively arranged in the corresponding sliding rails 1 and capable of sliding along the length direction of the sliding rails 1, wherein a transmission seat 3 is respectively fixed above the two sliding seats 2, a sliding motor 4 is arranged between the two transmission seats 3, and a locking motor 5 is fixed on one transmission seat 3.
The technical key points of the invention are as follows: the left end and the right end of the sliding seat 2 are respectively provided with a pair of locking cams 21 in transmission connection with the locking motor 5, the locking cams 21 are provided with an upper flange 211 and a lower flange 212 and are locked with the upper surface and the lower surface of the inner side of the sliding rail 1 in a matching way through rotation, the sliding rail 1 is respectively provided with a pair of traction belts 11, the two ends of the traction belts 11 are respectively fixedly connected with the inner side of the sliding rail 1, the left end and the right end of the sliding seat 2 are respectively provided with a pair of left pulleys 22 and a pair of right pulleys 23 in transmission connection with the sliding motor 4, the right pulleys 23 are respectively provided with a traction wheel 231 on one side far away from the corresponding sliding seat 2, the sliding seat 2 is respectively provided with a pair of tensioning wheels 24 on the left side and the right side of the corresponding traction wheel 231, and the traction belts 11 are respectively wound on the corresponding traction wheels 231 and are clamped between the traction wheels 231 and the tensioning wheels 24 through the tensioning wheels 24 on the two sides.
Referring to fig. 1, a sliding rail cavity 12 is formed in the sliding rail 1, a sliding rail cavity opening 121 is formed above the sliding rail cavity 12, a pair of upwardly protruding pulley support bars 13 are respectively disposed at the bottom of the sliding rail cavity 12 along the length direction, the left pulley 22 and the right pulley 23 are respectively supported to slide on the corresponding pulley support bars 13, the upper flange 211 and the lower flange 212 are respectively locked with the upper side wall of the sliding rail cavity 12 above the pulley support bars 13 and the pulley support bars 13, the lower end of the sliding seat 2 is disposed in the sliding rail cavity 12, the upper end extends out of the corresponding sliding rail cavity opening 121, the traction belt 11 is respectively disposed at a position between the pulley support bars 13 at two sides and the inner side wall of the adjacent sliding rail cavity 12, and two ends of the traction belt 11 are respectively fixed in the sliding rail cavity 12 through a traction belt fixing head 111.
Referring to fig. 2 and 3, the slide base 2 is respectively provided with a slide base cavity 25 with a downward opening, a locking block 26 is respectively disposed in the slide base cavity 25, a locking column 261 is respectively and upwardly fixed at the middle position of the locking block 26, locking block return springs 262 are respectively and fixedly disposed at the positions of the left and right sides of the locking column 261, the lower ends of the locking block return springs 262 are respectively connected with the corresponding locking blocks 26, the upper ends of the locking block return springs are connected with the upper side wall of the slide base 2, the upper ends of the locking columns 261 pass through the slide base 2 and upwardly extend, and a locking column sleeve 2611 is respectively disposed between the locking column 261 and the slide base 2; the locking motor 5 is in transmission connection with a locking spline shaft 51, the locking spline shaft 51 sequentially penetrates through the two transmission seats 3, the locking spline shaft 51 is respectively fixed with a lock tongue 52 at the position corresponding to the transmission seat 3, one end of the lock tongue 52 is respectively abutted against the corresponding lock column 261, and the other end of the lock tongue 52 is provided with a lock tongue spline hole 521 in transmission fit with the spline shaft 51; the left side and the right side of the locking block 26 in the sliding seat cavity 25 are respectively provided with a locking plate 27, the middle part of the locking plate 27 is respectively and rotationally fixed in the sliding seat cavity 25 through a locking plate shaft 271, one end part of the locking plate 27 is respectively abutted against the lower part of the corresponding locking block 26 and is respectively connected with a locking plate reset spring 272 beside the end part, one end of the locking plate reset spring 272 is upwards connected with the upper side wall of the sliding seat 2, a locking cam shaft 213 is respectively fixed between the front locking cam 21 and the rear locking cam 21, the locking cam shaft 213 is rotationally arranged on the sliding seat 2, a locking cam hinge rod 214 is connected between the front locking cam 21 and the rear locking cam 21, and the other end of the locking plate 27 is mutually hinged with the locking cam hinge rod 214 of the locking cam 21 on the corresponding side.
In this embodiment, the upper side wall of the sliding seat 2 is respectively provided with a locking block return spring hanging lug 2621 at a position corresponding to the locking block return spring 262, the locking block 26 is respectively provided with a locking block return spring fixing hole 263 at a position corresponding to the locking block return spring 262, the lower part of the locking block return spring 262 is of a horn-shaped structure with a diameter larger than that of the locking block return spring fixing hole 263, the locking block return spring 262 passes through the corresponding locking block return spring fixing hole 263 from bottom to top and is connected with the locking block return spring hanging lug 2621, the sliding seat 2 is respectively provided with a locking block return spring hanging lug 2721 at a position connecting the locking block return spring 272, the front and rear side edges of the locking block 26 are respectively provided with a group of locking block limiting plates 264 at intervals along the length direction, the front and rear side surfaces of the sliding seat 2 are respectively provided with a limiting groove 251 extending downwards corresponding to the lower limiting grooves 251 at the corresponding positions of the two sliding blocks.
Further, the lower edges of the front and rear sides of the sliding seat 2 are respectively turned outwards to form a sliding seat limit flange 28, the locking cams 21 are respectively arranged at positions between the sliding seat limit flange 28 and the sliding seat 2 on the corresponding side, and the sliding seat limit flanges 28 are respectively provided with a locking cam abdicating groove 281 at positions corresponding to the locking cams 21.
In this embodiment, two adjacent right pulleys 23 are fixedly connected and rotatably disposed on the slide 2 through a right pulley shaft 232, the slide 2 is respectively provided with a transmission frame 29 at a position corresponding to the upper side of the right pulley 23, the transmission frames 29 are respectively fixed on the slide 2 through a pair of transmission frame screws 291, a driving wheel 292 is rotatably disposed on the transmission frames 29, the driving wheel 292 is in transmission connection with the right pulley shaft 232 through a transmission belt 293, a motor mounting frame 31 is fixed between the two transmission seats 3, a transmission case 41 is fixed below the motor mounting frame 31, one side of the transmission case 41 is fixed with a reduction gear 42, a sliding motor 4 is fixed on the reduction gear 42 and is in transmission connection with the reduction gear 42, a reduction gear output shaft of the reduction gear 42 passes through the transmission case 41 and is connected with a driving wheel 411, a driven wheel 412 is further disposed in the transmission case 41, the driving wheel 411 is in transmission connection with the driven wheel 412 through a transmission case 413, a driven wheel shaft 412 is fixed between the driven wheel shaft 412, a driven wheel shaft 4121 is fixed below the motor mounting frame 31, and two driven wheel shafts 4121 are respectively extended from two sides of the driven wheel shaft 4122 respectively corresponding to two spline heads of the driven wheel shafts 41 respectively.
Further, a seat mounting seat 30 is fixed at the left and right ends of the sliding seat 2, a gap eliminating block 301 is disposed at the front and rear sides of the lower end of the seat mounting seat 30, and a seat mounting hole 302 is formed at the upper end of the seat mounting seat 30.
Further, a dust-proof strip 14 is embedded at the front and rear edges of the slide rail 1 above the slide rail cavity opening 121, and a set of slide rail fixing screws 15 are arranged below the slide rail 1 and at intervals along the length direction.
Further, a transmission seat fixing hole 32 is formed in the transmission seat 3, the transmission seat 3 is fixedly connected with the sliding seat 2 through the transmission seat fixing hole 32, and a lock column abdicating hole 33 is formed in the middle of the transmission seat 3.
With continued reference to fig. 1 and fig. 2 and 3, the seat is disposed above the two sliding bases 2 and fixedly connected with the seat mounting holes 302 on the corresponding seat mounting bases 30 by screws, when the seat needs to move back and forth, the locking motor 5 is controlled to drive the spline shaft 51 to rotate so that the lock tongue 52 pushes the lock post 261 to slide downward, the locking block 26 overcomes the pulling force of the locking block restoring spring 262 to move downward, and the left and right ends respectively push one ends of the locking plates 27 to rotate around the locking plate shaft 271, and the locking plates 27 push the locking cams 21 to rotate during rotation so that the upper flange 211 and the lower flange 212 are separated from the upper side wall of the slide rail cavity 12 above the pulley support bar 13 and the pulley support bar 13, thereby completing the unlocking process. Then, the sliding motor 4 is controlled to work and drive the reduction gearbox 42 and the driving wheel 411 and the driven wheel 412 in the transmission gearbox to rotate, the driven wheel 412 drives the driving wheel 292 and the right pulley shaft 232 to rotate through the driven wheel shaft spline head 4122 in the rotation process, the right pulley shaft 232 drives the traction wheel 231 to rotate, and the traction wheel 231 is clamped on the traction belt 11 to roll so as to enable the sliding seat 2 to slide in the sliding rail 1. When the seat is moved, the locking motor 5 is rotated reversely to disengage the locking bolt 52 from the locking post 261, the locking post 261 and the locking block 26 are moved upward by the tension of the locking block return spring 262, and the locking plate 27 is rotated by the tension of the locking plate return spring 272 after one end is released, so that the upper flange 211 and the lower flange 212 of the locking cam 21 are respectively abutted against the upper sidewall of the slide rail cavity 12 above the pulley support bar 13 and the pulley support bar 13, thereby completing the locking process.
Claims (8)
1. The utility model provides an electronic slide rail of car seat, includes a pair of slide rail (1) and a pair of slide (2) that set up respectively in corresponding slide rail (1) and can follow slide rail (1) length direction, two the top of slide (2) is fixed with a transmission seat (3) respectively, two be provided with a sliding motor (4) between transmission seat (3), one of them be fixed with a locking motor (5) on transmission seat (3), its characterized in that: the left end and the right end of the sliding seat (2) are respectively provided with a pair of locking cams (21) which are in transmission connection with the locking motor (5), the locking cams (21) are provided with an upper flange (211) and a lower flange (212) and are locked with the upper surface and the lower surface of the inner side of the sliding rail (1) in a matching way through rotation, A pair of traction belts (11) are respectively arranged in the sliding rail (1), two ends of each traction belt (11) are respectively and fixedly connected with the inner side wall of the sliding rail (1), a pair of left pulleys (22) and a pair of right pulleys (23) which are in transmission connection with the sliding motor (4) are respectively arranged at the left end and the right end of the sliding seat (2), a traction wheel (231) is respectively formed on one side surface far away from the corresponding sliding seat (2), a pair of tensioning wheels (24) are respectively arranged at the left side and the right side of the corresponding traction wheel (231) of the sliding seat (2), and the traction belts (11) are respectively wound on the corresponding traction wheels (231) and are clamped between the traction wheels (231) and the tensioning wheels (24) through the tensioning wheels (24) at two sides; the sliding rail (1) is internally provided with a sliding rail cavity (12), a sliding rail cavity opening (121) is formed above the sliding rail cavity (12), a pair of opposite raised pulley support bars (13) are respectively arranged at the bottom of the sliding rail cavity (12) along the length direction, a left pulley (22) and a right pulley (23) are respectively supported on the corresponding pulley support bars (13) to slide, an upper flange (211) and a lower flange (212) are respectively matched with the upper side wall of the sliding rail cavity (12) above the pulley support bars (13) and the pulley support bars (13) to be locked, the lower end of the sliding seat (2) is arranged in the sliding rail cavity (12) while the upper end extends out of the corresponding sliding rail cavity opening (121), The traction belt (11) is respectively arranged at the position between the pulley support bars (13) at two sides and the inner side wall of the adjacent sliding rail cavity (12), and two ends of the traction belt (11) are respectively fixed in the sliding rail cavity (12) through a traction belt fixing head (111); the slide (2) is respectively provided with a slide cavity (25) with a downward opening, the slide cavity (25) is respectively provided with a locking block (26), the middle position of the locking block (26) is respectively and upwardly fixed with a locking column (261), the positions of the locking blocks (26) at the left side and the right side of the locking column (261) are respectively and fixedly provided with a locking block reset spring (262), the lower ends of the locking block reset springs (262) are respectively connected with the corresponding locking blocks (26), the upper ends of the locking block reset springs are connected with the upper side wall of the slide (2), the upper ends of the locking columns (261) penetrate through the slide (2) and upwardly extend, A lock cylinder sleeve (2611) is arranged between the lock cylinder (261) and the sliding seat (2); the locking motor (5) is in transmission connection with a locking spline shaft (51), the locking spline shaft (51) sequentially penetrates through the two transmission seats (3), the locking spline shafts (51) are respectively fixed with a lock tongue (52) at positions corresponding to the transmission seats (3), one ends of the lock tongues (52) respectively support against the upper parts of corresponding lock columns (261), and a lock tongue spline hole (521) in transmission fit with the spline shaft (51) is formed in the other ends of the lock tongues (52); the left and right sides of the locking block (26) in the sliding seat cavity (25) are respectively provided with a locking plate (27), the middle parts of the locking plates (27) are respectively rotationally fixed in the sliding seat cavity (25) through a locking plate shaft (271), one end parts of the locking plates (27) respectively lean against the lower part of the corresponding locking block (26) and are respectively connected with a locking plate reset spring (272) beside the end parts, one end of each locking plate reset spring (272) is upwards connected with the upper side wall of the sliding seat (2), a locking cam shaft (213) is respectively fixed between the front and rear adjacent locking cams (21), The locking cam shaft (213) is rotatably arranged on the sliding seat (2), a locking cam hinging rod (214) is connected between the front locking cam (21) and the rear locking cam (21), and the other end of the locking plate (27) is mutually hinged with the locking cam hinging rod (214) of the locking cam (21) on the corresponding side.
2. An electric slide rail for a car seat according to claim 1, characterized in that the upper side wall of the slide (2) is respectively provided with a locking block return spring hanging lug (2621) at a position corresponding to the locking block return spring (262), the locking block (26) is respectively provided with a locking block return spring fixing hole (263) at a position corresponding to the locking block return spring (262), the lower part of the locking block return spring (262) is of a horn-shaped structure with a diameter larger than that of the locking block return spring fixing hole (263), the locking block return spring (262) passes through the corresponding locking block return spring fixing hole (263) from bottom to top and is connected with the locking block return spring hanging lug (2621) at a position connecting with the locking block return spring (272), the locking block (27) is provided with a locking block return spring hanging lug (2721) at a position connecting with the locking block return spring (272), the two sides of the locking block return spring (264) are respectively provided with a front side edge (264) extending to the two sides of the locking block (264) at two sides respectively opposite sides of the locking block return hole (264), the locking block limiting plates (264) slide up and down in the corresponding limiting grooves (251) respectively.
3. The electric slide rail of the car seat according to claim 1, characterized in that the lower edges of the front side and the rear side of the slide (2) are respectively and outwardly folded with a slide limit flange (28), the locking cams (21) are respectively arranged at positions corresponding to the slide limit flange (28) on one side and the slide (2), and the slide limit flanges (28) are respectively provided with a locking cam abdicating groove (281) at positions corresponding to the locking cams (21).
4. An electric slide rail for a car seat according to claim 1, characterized in that the right pulleys (23) adjacent to each other are fixedly connected by a right pulley shaft (232) and rotatably arranged on the slide base (2), the slide base (2) is respectively provided with a transmission frame (29) at a position corresponding to the upper part of the right pulleys (23), the transmission frames (29) are respectively fixed on the slide base (2) by a pair of transmission frame screws (291), a transmission wheel (292) is rotatably arranged on the transmission frame (29), the transmission wheel (292) and the right pulley shaft (232) are in transmission connection by a transmission belt (293), a motor mounting frame (31) is fixed between the two transmission bases (3), a transmission case (41) is fixed under the motor mounting frame (31), one side of the transmission case (41) is fixed with a reduction case (42), the sliding motor (4) is fixed on the reduction case (42) and is in transmission connection with the reduction case (42), the output shaft (42) is in transmission connection with the transmission case (411) through a transmission belt (411), the transmission case (411) is also arranged between the transmission case (41) and the transmission case (412), the driven wheel (412) is provided with a driven wheel shaft (4121), two ends of the driven wheel shaft (4121) extend out of the transmission case (41) from front to back, two sides extend out of the transmission case respectively, and a driven wheel shaft spline head (4122) is formed at the end of the driven wheel shaft, and the driven wheel shaft spline head (4122) is in spline fit with the transmission wheel (292) at the corresponding side respectively.
5. The electric slide rail of an automobile seat according to claim 1, wherein a seat mounting seat (30) is respectively fixed at the left and right ends of the slide seat (2), a clearance eliminating block (301) is respectively arranged at the front and rear sides of the lower end of the seat mounting seat (30), and a seat mounting hole (302) is respectively formed at the upper end of the seat mounting seat (30).
6. The electric slide rail of the automobile seat according to claim 1, wherein the slide rail (1) is embedded with a dustproof strip (14) at the front side edge and the rear side edge above the slide rail cavity opening (121).
7. The electric slide rail of the automobile seat according to claim 1, characterized in that a group of slide rail fixing screws (15) are respectively arranged below the slide rail (1) at intervals along the length direction.
8. The electric slide rail of the automobile seat according to claim 1, wherein a transmission seat fixing hole (32) is formed in the transmission seat (3), the transmission seat (3) is fixedly connected with the slide seat (2) through the transmission seat fixing hole (32) and the slide seat (2) through bolts respectively, and a lock column abdicating hole (33) is formed in the middle of the transmission seat (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110675722.7A CN113320450B (en) | 2021-06-18 | 2021-06-18 | Electric sliding rail of automobile seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110675722.7A CN113320450B (en) | 2021-06-18 | 2021-06-18 | Electric sliding rail of automobile seat |
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| Publication Number | Publication Date |
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| CN113320450A CN113320450A (en) | 2021-08-31 |
| CN113320450B true CN113320450B (en) | 2024-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110675722.7A Active CN113320450B (en) | 2021-06-18 | 2021-06-18 | Electric sliding rail of automobile seat |
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| Country | Link |
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| CN (1) | CN113320450B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN114771365B (en) * | 2022-04-19 | 2024-03-08 | 安徽富士特铝业有限公司 | New energy automobile aluminium system seat guide rail |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214929153U (en) * | 2021-06-18 | 2021-11-30 | 江苏忠明祥和精工股份有限公司 | Electric sliding rail of automobile seat |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1602844A (en) * | 1977-03-24 | 1981-11-18 | Brown Bros Eng Ltd | Vehicle seat slides |
| CN102923020B (en) * | 2012-11-23 | 2015-06-17 | 上海延锋江森座椅有限公司 | Seat sliding rail mechanism |
| CN206159279U (en) * | 2016-09-08 | 2017-05-10 | 东莞市钜铧机械有限公司 | But off -centre adjust the slider module |
| CN110626228A (en) * | 2019-10-31 | 2019-12-31 | 湖北航嘉麦格纳座椅系统有限公司 | Seat and slide rail release mechanism thereof |
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2021
- 2021-06-18 CN CN202110675722.7A patent/CN113320450B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214929153U (en) * | 2021-06-18 | 2021-11-30 | 江苏忠明祥和精工股份有限公司 | Electric sliding rail of automobile seat |
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