CN113320450A - Electric sliding rail of automobile seat - Google Patents
Electric sliding rail of automobile seat Download PDFInfo
- Publication number
- CN113320450A CN113320450A CN202110675722.7A CN202110675722A CN113320450A CN 113320450 A CN113320450 A CN 113320450A CN 202110675722 A CN202110675722 A CN 202110675722A CN 113320450 A CN113320450 A CN 113320450A
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- Prior art keywords
- locking
- seat
- sliding
- transmission
- slide
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- 230000005540 biological transmission Effects 0.000 claims abstract description 113
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
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
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The utility model provides an electric 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 case respectively, establishes sliding motor between two transmission cases, has locking motor, characteristics on one of them transmission case: the left end and the right end of the sliding seat are respectively provided with a pair of locking cams connected with a locking motor, each locking cam is composed of an upper flange, a lower flange and a locking part matched with the upper surface and the lower surface of the inner side of the sliding rail in a rotating mode, a traction belt is arranged in the sliding rail respectively, the two ends of the traction belt are connected with the inner side wall of the sliding rail respectively, the left end and the right end 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 surface of each right pulley is provided with a traction wheel, the sliding seat is provided with tensioning wheels on the left side and the right side corresponding to the traction wheel, and the traction belt is wound on the corresponding traction wheel and clamped between the traction wheel and the tensioning wheels through the tensioning wheels on the two sides. The bumping feeling caused by the transmission fit of the gear and the rack is eliminated, and the precision requirements of the processing and the installation of the electric slide rail are reduced; stability and life of 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 the automobile in people's life, people have higher and higher requirements on the comfort level and the safety of the automobile, the automobile seat is one of the most main parts of the automobile and is the most basic guarantee of the comfort level and the safety of the automobile, people can design the seat into a structure capable of sliding back and forth through a sliding rail in order to enable the automobile seat to adapt to driving of different people, and along with the progress of science and technology, the seat is also popularized from manual sliding to electric sliding gradually. The current electric sliding rail mainly comprises the following structures: firstly, a structure that a gear on a seat is driven by a motor to slide on a rack is adopted and matched with a locking mechanism to prevent the seat from moving to cause safety accidents and damage of the motor; and secondly, a structure that a motor drives the worm and gear box and the seat to slide on the screw rod or a structure that the motor drives the screw rod to rotate and drives the upper slide block of the screw rod and the seat to slide is adopted. The former will feel obvious bumpiness in the using process, the locking structure is generally more complex and has poor stability, the failure of the locking mechanism can be possibly caused along with the prolonging of the using time and the deformation of the sliding rail, and meanwhile, the problems of high cost and short service life of the locking structure exist; although the latter can be locked without using a locking mechanism, the requirements on the overall processing precision and the installation precision of the structure are high, a small amount of deviation can cause the sliding block to be clamped on the screw rod, and the conditions of deformation of the sliding rail and increase of the screw thread clearance can occur along with the prolonging of the service time, so that the seat is shaken, the matching of the sliding block and the screw rod is damaged, and the sliding rail cannot be used, and therefore, the electric sliding rail with the structure can not meet the requirements of consumers generally.
In the prior art, as provided in chinese patent application publication No. CN112208400A, "a slide rail device for a seat of an automobile", includes: the sliding rail is provided with a rack; the seat supporting seat is slidably arranged on the slide rail and internally provided with an accommodating cavity; the automobile seat is fixedly arranged on the seat supporting 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 coaxial and integrated, the helical gear is meshed with the threaded screw rod, and the straight gear is meshed with the rack on the sliding rail. If "a slide rail assembly for car seat" that chinese utility model patent publication No. CN208978662U discloses again, including two slide rail groups and a horizontal stand, slide rail group includes the last slide rail, the lower slide rail, the lead screw, the front end support, rear end support and gear box support, gear box and carrier plate, go up and establish the spacing dog of usefulness of carrier plate on the slide rail, front end support and rear end support are solid block structure, and the below all is provided with location structure, the top of gear box support also is equipped with location structure, the horizontal stand is middle support, the syllogic structure that horizontal left socle and horizontal right branch frame are constituteed. The former adopts the structure that gear and rack cooperate the slip, has the upper segment the problem that has obvious jolt when sliding, and the latter adopts the structure that motor drive screw rod and gear box and seat remove, though can remove the seat fast effectively, still has the upper segment the problem that processing and installation are smart to expect height and life are short.
In view of the above, it is necessary to design an electric slide rail for a vehicle seat, which has a simple structure, low machining and mounting accuracy, a long service life, and a simple and stable locking structure, and can eliminate the bumping feeling generated by the slide seat. The applicant has therefore made an advantageous design, in the context of which the solution to be described below is made.
Disclosure of Invention
The invention aims to provide an electric slide rail of an automobile seat, which is beneficial to improving the transmission structure of the electric slide rail to eliminate the bumpy feeling of the movement of the seat and reduce the machining and mounting precision of the slide rail, and is beneficial to simplifying and improving the locking structure of the electric slide rail to improve the locking stability and prolong the service life.
The invention aims to achieve the aim, and the electric slide rail of the automobile seat comprises a pair of slide rails and a pair of slide seats which are respectively arranged in the corresponding slide rails and can slide along the length direction of the slide rails, a transmission seat is respectively fixed above the two slide seats, a slide motor is arranged between the two transmission seats, a locking motor is fixed on one of the transmission seats, 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 each slide seat, each locking cam is formed into an upper flange and a lower flange and is matched and locked with the upper surface and the lower surface of the inner side of the slide rail through rotation, a pair of traction belts are respectively arranged in the slide rails, the two ends of each traction belt are respectively and fixedly connected with the inner side walls of the slide rails, a pair of left pulleys and a pair of right pulleys which are in transmission connection with the slide motor are respectively arranged at the left end and the right end of each slide seat, and a traction wheel is respectively formed on one side surface far away from the corresponding slide seat, the traction belt is respectively wound on the corresponding traction wheels and clamped between the traction wheels and the tension wheels through the tension wheels on the two sides.
In a specific embodiment of the invention, a slide rail cavity is formed in the slide rail, a slide rail cavity opening is formed above the slide rail cavity, a pair of upward-protruding pulley support bars are respectively arranged at the bottom of the slide rail cavity along the length direction, the left pulley and the right pulley are respectively supported on the corresponding pulley support bars to slide, the upper flange and the lower flange are respectively matched and locked with the upper side wall of the slide rail cavity above the pulley support bars and the pulley support bars, the lower end of the slide carriage is arranged in the slide rail cavity, the upper end of the slide carriage extends out of the corresponding slide rail cavity opening, the traction belts are respectively arranged at positions between the pulley support bars at two sides and the inner side wall of the adjacent slide rail cavity, and two ends of the traction belt are respectively fixed in the slide rail cavity through a traction belt fixing head.
In another specific embodiment of the present invention, a sliding seat cavity with a downward opening is formed in each sliding seat, a locking block is arranged in each sliding seat cavity, a locking column is fixed upwards at the middle position of each locking block, a locking block return spring is fixed at the positions of the locking blocks at the left and right sides of each locking column, the lower end of each locking block return spring is connected with the corresponding locking block, the upper end of each locking block return spring is connected with the upper side wall of each sliding seat, the upper end of each locking column penetrates through each sliding seat and extends upwards, and a locking column sleeve is arranged between each locking column and each sliding block; the locking motor is in transmission connection with a locking spline shaft, the locking spline shaft sequentially penetrates through the two transmission seats, a lock tongue is respectively fixed on the locking spline shaft 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 cylinder, and the other end of the lock tongue is provided with a lock tongue spline hole in transmission fit with the spline shaft; the slide intracavity be located the left and right sides of locking piece and be provided with a locking plate respectively, the middle part of locking plate is fixed in the slide intracavity through a locking plate axle rotatoryly respectively, the one end tip of locking plate supports respectively and leans on the below that corresponds the locking piece and be connected with a locking plate reset spring respectively on one side of tip position department, locking plate reset spring's one end upwards with the side wall connection of going up of slide, adjacent two around the locking cam between be fixed with a locking camshaft respectively, the locking camshaft set up on the slide rotatoryly, adjacent two around the locking cam be connected with a locking cam hinge bar between, the other end of locking plate is articulated each other with the locking cam hinge bar that corresponds one side locking cam.
In another specific embodiment of the present invention, a locking block return spring hanger is formed on the upper side wall of the slide at a position corresponding to the locking block return spring, a locking block return spring fixing hole is formed on the locking block at a position corresponding to the locking block return spring, the lower portion of the locking block return spring is a horn-shaped structure with a diameter larger than that of the locking block return spring fixing hole, the locking block return spring passes through the corresponding locking block return spring fixing hole from bottom to top and then is connected with the locking block return spring hanger, a locking plate return spring hanger is formed on the slide at a position connected with the locking plate return spring, a locking plate return spring connecting hole is formed on the locking plate at a position connected with the locking plate return spring, and a set of locking block limiting plates are bent upwards at intervals along the length direction at the front and rear side edges of the locking block, and the front side surface and the rear side surface of the sliding seat are respectively provided with a limiting groove extending downwards at the position corresponding to the limiting plate of the locking block, and the limiting plates of the locking block respectively slide up and down in the corresponding limiting grooves.
In another specific embodiment of the invention, the lower edges of the front side and the rear side of the sliding seat are respectively provided with a sliding seat limiting rib which is folded outwards, the locking cams are respectively arranged at the positions between the sliding seat limiting rib and the sliding seat at the corresponding side, and the sliding seat limiting rib is respectively provided with a locking cam abdicating groove at the position corresponding to the locking cam.
In a further specific embodiment of the invention, two adjacent right pulleys are fixedly connected and rotatably 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 rotatably arranged on the transmission frame, 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 further arranged in the transmission box, the driving wheel is in transmission connection with the driven wheel 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 transmission box and extend to the front side and the rear side, a driven wheel shaft spline head is formed at the end of the driven wheel shaft, and the driven wheel shaft spline heads are respectively in spline fit with the driving wheel on the corresponding side.
In a further specific embodiment of the present invention, a seat mounting seat is fixed to each of the left and right ends of the sliding seat, a gap eliminating block is disposed on each of the front and rear sides of the lower end of the seat mounting seat, and a seat mounting hole is formed in each of the upper ends of the seat mounting seats.
In a more specific embodiment of the present invention, the sliding rail is embedded with a dust-proof strip at the front and rear side edges above the opening of the sliding rail cavity.
In yet another specific embodiment of the present invention, a set of slide rail fixing screws is disposed below the slide rail and spaced apart from each other along the length direction.
In yet another specific embodiment of the present invention, the transmission seat is provided with a transmission seat fixing hole, the transmission seat is fixedly connected to the sliding seat bolt through the transmission seat fixing hole, and the middle of the transmission seat is provided with a lock pin receding hole.
After adopting the structure, the invention has the advantages that: firstly, as the structure that the traction wheel and the tension wheel are matched to clamp the traction belt and the traction wheel is driven by the motor to rotate to drag the sliding seat to slide is adopted, the bumpy feeling caused by the transmission and the matching of the gear and the rack is eliminated and the precision requirements of the processing and the installation of the electric slide rail are greatly reduced; secondly, owing to adopted the motor to promote the locking piece and remove the rotatory structure of messenger lock plate and locking cam, therefore locking cam can carry out the locking through the flange of upper and lower both sides, even locking cam has some wearing and tearing or slide rail deformation, as long as there is one side flange can support to lean on the slide rail just can carry out effective locking, has greatly improved locking structure's stability and life.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a schematic structural view of the slider 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 slide rail, 11 traction belts, 111 traction belt fixing heads, 12 slide rail cavities, 121 slide rail cavity openings, 13 pulley support bars, 14 dust bars, 15 slide rail fixing screws; 2. the sliding seat comprises a sliding seat, 21 locking cams, 211, an upper flange, 212, a lower flange, 213, a locking cam shaft, 214, a locking cam hinged rod, 22, a left pulley, 23, a right pulley, 231, a traction wheel, 232, a right pulley shaft, 24, a tension wheel, 25, a sliding seat cavity, 251, a limiting groove, 26, a locking block, 261, a locking column, 2611, a locking column sleeve, 262, a locking block reset spring, 2621. the seat comprises a locking block return spring lug, 263, a locking block return spring fixing hole, 264, a locking block limiting plate, 27, a locking plate, 271, a locking plate shaft, 272, a locking plate return spring, 2721, a locking plate return spring lug, 273, a locking plate return spring connecting hole, 28, a sliding seat limiting rib, 281, a locking cam abdicating groove, 29, a transmission frame, 291, a transmission frame screw, 292, a transmission wheel, 293, a transmission belt, 30, a seat mounting seat, 301, a gap eliminating block, 302 and a seat mounting hole; 3. the transmission seat comprises a transmission seat 31, a motor mounting frame 32, a transmission seat fixing hole 33 and a lock cylinder abdicating hole; 4. the device comprises a sliding motor, 41, a transmission case, 411, a driving wheel, 412, a driven wheel, 4121, a driven wheel shaft, 4122, a driven wheel shaft spline head, 413, a transmission case belt, 42, a reduction gearbox and 421, and a reduction gearbox output shaft; 5. motor locking, 51 locking spline shaft, 52 bolt, 521 bolt splined hole.
Detailed Description
The following detailed description of the embodiments of the present invention will be described with reference to the accompanying drawings, but the description of the embodiments by the applicant is not intended to limit the technical solutions, and any changes made in the form of the present invention rather than the essential changes should be regarded as the protection scope of the present invention.
In the following description, all the concepts related to the directions or orientations of up, down, left, right, front and rear are given with respect to the current position of fig. 1, and thus should not be interpreted as limiting the technical solutions provided by the present invention.
Referring to fig. 1 in combination with fig. 2 and fig. 3, the present invention relates to an electric slide rail for a car seat, which includes a pair of slide rails 1 and a pair of slide bases 2 respectively disposed in the corresponding slide rails 1 and capable of sliding along the length direction of the slide rails 1, a transmission base 3 is respectively fixed above the two slide bases 2, a sliding motor 4 is disposed between the two transmission bases 3, and a locking motor 5 is fixed on one of the transmission bases 3.
The technical points of the invention are as follows: a pair of locking cams 21 which are in transmission connection with a locking motor 5 are respectively arranged at the left end and the right end of the sliding seat 2, the locking cam 21 is formed with an upper flange 211 and a lower flange 212 and is locked by being rotated to be engaged with the upper and lower surfaces of the inner side of the slide rail 1, a pair of traction belts 11 are respectively arranged in the slide rail 1, two ends of each traction belt 11 are respectively fixedly connected with the inner side wall of the slide 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 which are in transmission connection with the sliding motor 4, the right pulley 23 is formed with a traction wheel 231 on a side surface away from the corresponding sliding seat 2, the sliding base 2 is provided with a pair of tension wheels 24 on the left and right sides corresponding to the traction wheel 231, the traction belts 11 are respectively wound on the corresponding traction wheels 231 and clamped between the traction wheels 231 and the tension wheels 24 through the tension wheels 24 on both sides.
Referring to fig. 1, a slide rail cavity 12 is formed in the slide rail 1, a slide rail cavity opening 121 is formed above the slide rail cavity 12, a pair of upward protruding pulley support bars 13 are respectively arranged at the bottom of the slide rail cavity 12 along the length direction, the left pulley 22 and the right pulley 23 are respectively supported on the corresponding pulley support bars 13 to slide, the upper flange 211 and the lower flange 212 are respectively matched and locked with the upper side wall of the slide rail cavity 12 above the pulley support bars 13 and the pulley support bars 13, the lower end of the slide carriage 2 is arranged in the slide rail cavity 12, the upper end of the slide carriage extends out of the corresponding slide rail cavity opening 121, the traction belts 11 are respectively arranged at positions between the pulley support bars 13 at the two sides and the inner side wall of the adjacent slide rail cavity 12, and the two ends of the traction belt 11 are respectively fixed in the slide rail cavity 12 through a traction belt fixing head 111.
Referring to fig. 2 and 3, a sliding seat cavity 25 with a downward opening is formed in each sliding seat 2, a locking block 26 is arranged in each sliding seat cavity 25, a locking post 261 is fixed upwards in the middle of each locking block 26, a locking block return spring 262 is fixed in each locking block 26 at the left and right sides of each locking post 261, the lower end of each locking block return spring 262 is connected with the corresponding locking block 26, the upper end of each locking block return spring is connected with the upper side wall of each sliding seat 2, the upper end of each locking post 261 penetrates through each sliding seat 2 and extends upwards, and a locking post sleeve 2611 is arranged between each locking post 261 and each sliding seat 2; a locking spline shaft 51 is in transmission connection with the locking motor 5, the locking spline shaft 51 sequentially penetrates through the two transmission bases 3, a locking tongue 52 is respectively fixed at the position of the locking spline shaft 51 corresponding to the transmission bases 3, one end of the locking tongue 52 is respectively abutted against the upper part of the corresponding lock column 261, and a locking tongue spline hole 521 in transmission fit with the spline shaft 51 is arranged at the other end of the locking tongue 52; the slide intracavity 25 in be located the left and right sides of locking piece 26 and be provided with a jam plate 27 respectively, the middle part of jam plate 27 is fixed in slide intracavity 25 through a jam plate axle 271 rotatoryly respectively, the one end tip of jam plate 27 supports respectively and leans on the below that corresponds locking piece 26 and is connected with a jam plate reset spring 272 respectively on one side of tip position department, the one end of jam plate reset spring 272 upwards with slide 2 go up the lateral wall and be connected, adjacent two in the front and back the locking cam 21 between be fixed with a locking camshaft 213 respectively, locking camshaft 213 set up on slide 2 rotatoryly, adjacent two in the front and back the locking cam 21 between be connected with a locking cam hinge pole 214, the other end of jam plate 27 and the locking cam hinge pole 214 that corresponds one side locking cam 21 articulate each other.
In this embodiment, a locking block return spring hanging lug 2621 is formed on the upper side wall of the slide carriage 2 at a position corresponding to the locking block return spring 262, a locking block return spring fixing hole 263 is formed on the locking block 26 at a position corresponding to the locking block return spring 262, the lower portion of the locking block return spring 262 is in 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 slide carriage 2 is formed with a locking plate return spring hanging lug 2721 at a position connected with the locking plate return spring 272, a locking plate return spring connecting hole 273 is formed on the locking plate 27 at a position connected with the locking plate return spring 272, a set of limiting plates 264 are respectively bent upwards at intervals along the length direction at the front and back side edges of the locking block 26, the front and rear side surfaces of the slide base 2 are respectively provided with a limiting groove 251 extending downwards at the position corresponding to the locking block limiting plate 264, and the locking block limiting plates 264 respectively slide up and down in the corresponding limiting grooves 251.
Further, the lower border department of both sides is rolled over outward respectively and is had a slide spacing flange 28 around the slide 2, locking cam 21 set up the position department between the slide spacing flange 28 of corresponding one side and slide 2 respectively, the slide spacing flange 28 seted up a locking cam groove 281 of stepping down respectively in the position department corresponding to locking cam 21.
In this embodiment, two adjacent right pulleys 23 are fixedly connected and rotatably disposed on the sliding base 2 through a right pulley shaft 232, the sliding base 2 is respectively provided with a transmission frame 29 at a position corresponding to the upper portion of the right pulley 23, the transmission frames 29 are respectively fixed on the sliding base 2 through a pair of transmission frame screws 291, the transmission frame 29 is rotatably provided with a transmission wheel 292, the transmission wheel 292 and the right pulley shaft 232 are in transmission connection through a transmission belt 293, a motor mounting frame 31 is fixed between the two transmission bases 3, a transmission box 41 is fixed below the motor mounting frame 31, a reduction box 42 is fixed at one side of the transmission box 41, the sliding motor 4 is fixed on the reduction box 42 and is in transmission connection with the reduction box 42, a reduction box output shaft 421 of the reduction box 42 passes through the transmission box 41 and is connected with a driving wheel 411, the transmission case 41 is further internally provided with a driven wheel 412, the driving wheel 411 and the driven wheel 412 are in transmission connection through a transmission case belt 413, a driven wheel shaft 4121 is formed on the driven wheel 412, two ends of the driven wheel shaft 4121 respectively extend out of the transmission case 41 to extend towards the front side and the rear side, a driven wheel shaft spline head 4122 is respectively formed at the end part, and the driven wheel shaft spline heads 4122 are respectively in spline fit with the transmission wheel 292 on the corresponding side.
Further, a seat mounting seat 30 is fixed at each of the left and right ends of the slide seat 2, a gap eliminating block 301 is disposed at each of the front and rear sides of the lower end of the seat mounting seat 30, and a seat mounting hole 302 is formed at each of the upper ends of the seat mounting seats 30.
Furthermore, the front and rear side edges of the slide rail 1 above the slide rail cavity opening 121 are respectively embedded with a dust-proof strip 14, and a set of slide rail fixing screws 15 are respectively arranged below the slide rail 1 at intervals along the length direction.
Further, the transmission seat 3 on seted up a transmission seat fixed orifices 32, transmission seat 3 respectively through transmission seat fixed orifices 32 and 2 bolt fixed connection of slide, a lock post hole of stepping down 33 has been seted up at the middle part of transmission seat 3.
Referring to fig. 1 in combination with fig. 2 and 3, the seat is placed above the two slide carriages 2 and is fixedly connected to the seat mounting hole 302 on the corresponding seat mounting base 30 through a screw, when the seat needs to move forward and backward, the locking motor 5 is controlled to drive the spline shaft 51 to rotate so that the latch 52 pushes the lock post 261 to slide downward, the locking block 26 overcomes the pulling force of the locking block return spring 262 to move downward and the left and right ends push one end of the locking plates 27 on both sides to rotate around the locking plate shaft 271, the locking plate 27 pushes the locking cam 21 to rotate during the rotation process, so that the upper flange 211 and the lower flange 212 are separated from the upper side wall of the slide rail cavity 12 and the pulley support bar 13 above the pulley support bar 13, and the unlocking process is completed. Then, the sliding motor 4 is controlled to work, and the reduction box 42 and the driving wheel 411 and the driven wheel 412 in the transmission box are driven to rotate, the driven wheel 412 drives the driving wheel 292 and the right pulley shaft 232 to rotate by the driven wheel shaft spline head 4122 in the rotating 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 that the sliding base 2 slides in the sliding rail 1. When the seat is moved, the locking motor 5 rotates reversely to disengage the latch tongue 52 from the lock cylinder 261, the lock cylinder 261 and the locking block 26 move upward under the tension of the locking block return spring 262, and after the pressure is lost at one end of the locking plate 27, the upper flange 211 and the lower flange 212 of the locking cam 21 rotate by the tension of the locking plate return spring 272 and abut against the upper side wall of the slide rail cavity 12 above the pulley support bar 13 and the pulley support bar 13, respectively, thereby completing the locking process.
Claims (10)
1. The utility model provides an electric 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 gliding, 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), its characterized in that on transmission seat (3): 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 formed into an upper flange (211) and a lower flange (212) and are locked in cooperation with the upper surface and the lower surface of the inner side of the sliding seat (1) through rotation, the sliding seat (1) is internally provided with a pair of traction belts (11), two ends of each traction belt (11) are respectively fixedly connected with the inner side wall of the sliding seat (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), one side surface of each right pulley (23) far away from the corresponding sliding seat (2) is respectively formed with a traction wheel (231), and the sliding seat (2) is respectively provided with a pair of tension wheels (24) at the left side and the right side of the corresponding tension wheels (231), the traction belts (11) are respectively wound on the corresponding traction wheels (231) and clamped between the traction wheels (231) and the tension wheels (24) through the tension wheels (24) on the two sides.
2. The electric sliding rail of car seat according to claim 1, characterized in that said sliding rail (1) is formed with a sliding rail cavity (12), said sliding rail cavity (12) is formed with a sliding rail cavity opening (121) above, said sliding rail cavity (12) is formed with a pair of pulley support bars (13) protruding upward along the length direction at the bottom, said left pulley (22) and right pulley (23) are supported on the corresponding pulley support bars (13) respectively to slide, said upper flange (211) and lower flange (212) are locked with the upper side wall of the sliding rail cavity (12) above the pulley support bars (13) and the pulley support bars (13) respectively, said sliding seat (2) is formed with a lower end in the sliding rail cavity (12) and an upper end extending out of the corresponding sliding rail cavity opening (121), said traction belt (11) is formed between the pulley support bars (13) at both sides and the inner side wall of the adjacent sliding rail cavity (12) respectively, two ends of the traction belt (11) are respectively fixed in the sliding rail cavity (12) through a traction belt fixing head (111).
3. The electric sliding rail of the car seat according to claim 1, characterized in that the sliding base (2) is internally provided with a sliding base cavity (25) with a downward opening, the sliding base cavity (25) is internally provided with a locking block (26), the middle position of the locking block (26) is respectively fixed with a locking column (261) upwards, the positions of the locking block (26) at the left and right sides of the locking column (261) are respectively fixed with a locking block return spring (262), the lower end of the locking block return spring (262) is respectively connected with the corresponding locking block (26) and the upper end is connected with the upper side wall of the sliding base (2), the upper end of the locking column (261) passes through the sliding base (2) and extends upwards, and a locking column sleeve (2611) is respectively arranged between the locking column (261) and the sliding base (2); a locking spline shaft (51) is connected to the locking motor (5) in a transmission manner, the locking spline shaft (51) sequentially penetrates through the two transmission bases (3), a locking tongue (52) is respectively fixed at the position of the locking spline shaft (51) corresponding to the transmission bases (3), one end of each locking tongue (52) is respectively abutted against the upper part of the corresponding lock column (261), and the other end of each locking tongue (52) is provided with a locking tongue spline hole (521) in transmission fit with the spline shaft (51); the sliding seat is characterized in that a locking plate (27) is arranged on each of the left side and the right side of a locking block (26) in a sliding seat cavity (25), the middle of the locking plate (27) is rotationally fixed in the sliding seat cavity (25) through a locking plate shaft (271), one end of the locking plate (27) is abutted against the lower portion of the corresponding locking block (26) and is connected with a locking plate reset spring (272) on one side of the end portion of the locking plate (27), one end of the locking plate reset spring (272) is upwards connected with the upper side wall of the sliding seat (2), two adjacent front and back locking cams (21) are fixed with a locking cam shaft (213) between each other, the locking cam shaft (213) is rotationally arranged on the sliding seat (2), two adjacent front and back locking cams (21) are connected with a locking hinge cam rod (214), and the other end of the locking plate (27) is hinged with the locking cam rod (214) of the locking cam (21) on one side.
4. The electric sliding rail of car seat according to claim 3, wherein the upper side wall of the sliding seat (2) is formed with a locking block return spring hanging lug (2621) at the position corresponding to the locking block return spring (262), the locking block (26) is formed with a locking block return spring fixing hole (263) at the position corresponding to the locking block return spring (262), the lower part of the locking block return spring (262) is a trumpet-shaped structure with a diameter larger than 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 then is connected with the locking block return spring hanging lug (2621), the sliding seat (2) is formed with a locking plate return spring hanging lug (2721) at the position connecting the locking plate return spring (272), locking plate (27) have seted up a locking plate reset spring connecting hole (273) in the position department of being connected with locking plate reset spring (272), the both sides border department upwards buckles respectively along the length direction interval around locking piece (26) has a set of locking piece limiting plate (264), a spacing groove (251) of downwardly extending is seted up respectively in the position department that corresponds to locking piece limiting plate (264) on the front and back both sides face of slide (2), locking piece limiting plate (264) slide from top to bottom in the spacing groove (251) that corresponds respectively.
5. The electric sliding rail of car seat according to claim 1, characterized in that the lower edges of the front and back sides of the sliding seat (2) are respectively folded with a sliding seat limiting rib (28), the locking cams (21) are respectively disposed at the position between the sliding seat limiting rib (28) and the sliding seat (2) corresponding to one side, and the sliding seat limiting rib (28) is respectively provided with a locking cam abdicating groove (281) at the position corresponding to the locking cam (21).
6. The electric slide rail of the car seat according to claim 1, characterized in that the two right pulleys (23) adjacent to each other in the front and back are fixedly connected through a right pulley shaft (232) and rotatably disposed on the slide base (2), the slide base (2) is respectively provided with a transmission frame (29) at a position corresponding to the upper side of the right pulley (23), the transmission frame (29) is respectively fixed on the slide base (2) through a pair of transmission frame screws (291), the transmission frame (29) is rotatably provided with a transmission wheel (292), the transmission 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 bases (3), a transmission box (41) is fixed below the motor mounting frame (31), one side of the transmission box (41) is fixed with a reduction box (42), the sliding motor (4) is fixed on the reduction box (42) and is in transmission connection with the reduction box (42), a reduction box output shaft (421) of the reduction box (42) is connected with a driving wheel (411) after penetrating through a transmission box (41), a driven wheel (412) is further arranged in the transmission box (41), the driving wheel (411) is in transmission connection with the driven wheel (412) through a transmission box belt (413), a driven wheel shaft (4121) is formed on the driven wheel (412), two ends of the driven wheel shaft (4121) respectively extend out of the transmission box (41) and extend towards the front side and the rear side, a driven wheel shaft spline head (4122) is formed at the end part of the driven wheel shaft, and the driven wheel shaft spline head (4122) is in spline fit with the transmission wheel (292) on the corresponding side.
7. The electric slide rail of the car seat according to claim 1, characterized in that a seat mounting seat (30) is fixed at each of the left and right ends of the slide seat (2), a gap 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).
8. The electric sliding rail of car seat according to claim 2, characterized in that the front and back edges of the sliding rail (1) above the opening (121) of the sliding rail cavity are respectively embedded with a dust-proof strip (14).
9. The electric slide rail of the car seat according to claim 1, characterized in that a set of slide rail fixing screws (15) are respectively arranged below the slide rail (1) and at intervals along the length direction.
10. The electric slide rail of car seat according to claim 1, characterized in that said transmission seat (3) is provided with a transmission seat fixing hole (32), said transmission seat (3) is respectively connected with said slide seat (2) by means of said transmission seat fixing hole (32) and bolt, said transmission seat (3) is provided with a lock pin abdicating hole (33) at its middle portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110675722.7A CN113320450A (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 CN113320450A (en) | 2021-06-18 | 2021-06-18 | Electric sliding rail of automobile seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113320450A true CN113320450A (en) | 2021-08-31 |
Family
ID=77423705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110675722.7A Pending CN113320450A (en) | 2021-06-18 | 2021-06-18 | Electric sliding rail of automobile seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113320450A (en) |
Cited By (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 |
| CN114771365A (en) * | 2022-04-19 | 2022-07-22 | 安徽富士特铝业有限公司 | New energy automobile aluminium system seat guide rail |
-
2021
- 2021-06-18 CN CN202110675722.7A patent/CN113320450A/en active Pending
Cited By (3)
| 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 |
| CN114771365A (en) * | 2022-04-19 | 2022-07-22 | 安徽富士特铝业有限公司 | New energy automobile aluminium system seat guide rail |
| 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 |
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