CN216331577U - Electric turntable for automobile seat - Google Patents
Electric turntable for automobile seat Download PDFInfo
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- CN216331577U CN216331577U CN202122328188.0U CN202122328188U CN216331577U CN 216331577 U CN216331577 U CN 216331577U CN 202122328188 U CN202122328188 U CN 202122328188U CN 216331577 U CN216331577 U CN 216331577U
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Abstract
The utility model relates to an electric turntable for an automobile seat, which comprises a chassis, a turntable, a pressure plate, an upper retainer, a lower retainer and an electric driving device, wherein the pressure plate is fixedly connected with the chassis, the pressure plate is used for pressing the turntable on the chassis, the turntable and the chassis are in running fit through the lower retainer, and the turntable and the pressure plate are in running fit through the upper retainer; the electric driving device comprises a variable speed motor, a gear ring and at least two expansion gears; the gear ring is provided with a circle of internal teeth and is fixedly connected with the turntable; the variable speed motor and the expansion gear are both connected with the chassis, a driving gear is installed at the output end of the variable speed motor, and the driving gear and the expansion gear are both meshed with the inner teeth of the gear ring. The expansion gear reduces the meshing clearance of the gear ring and the gear ring, and can eliminate the shaking clearance, so that the electric turntable is comfortable to use.
Description
Technical Field
The utility model relates to the technical field of automobile seats, in particular to an electric rotary table for an automobile seat.
Background
The automobile seat turntable is a turntable arranged below a seat cushion in an automobile seat, the turntable is used for adjusting a rotating seat, the seat can rotate 360 degrees, the application demand of the automobile seat with the turntable in modern luxury vehicles or business vehicles is higher and higher, the seat can be adjusted in a rotating mode, on one hand, the seat has the functions of welcoming and facing guests, on the other hand, front row personnel can rotate towards the back row, and communication with back row personnel is facilitated.
At present, the car seat carousel divide into electric turntable and manual carousel, and current manual carousel technique is more ripe, and electric turntable technique is not mature yet, but along with the increase of luxury car, must increase to electric turntable's demand, if the electric turntable that the technique is not mature is applied to on the car seat, can have following risk: if the electric turntable rotates without accident, unsafe factors can be caused, and the personal safety of drivers or passengers is threatened, so that the current attack and production of the electric turntable are urgently needed. The existing electric rotating disc has the defects of shaking and complex structure, so that the existing seat rotating disc mechanism needs to be improved and optimized.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide the safe and reliable electric turntable for the automobile seat, which has reasonable structural design and can reduce the production cost.
The technical scheme adopted by the utility model for solving the problems is as follows: an electric turntable for an automobile seat comprises a chassis, a turntable, a pressure plate, an upper retainer and a lower retainer, wherein the pressure plate is fixedly connected with the chassis, the pressure plate is used for pressing the turntable on the chassis, the turntable is in running fit with the chassis through the lower retainer, and the turntable is in running fit with the pressure plate through the upper retainer; the method is characterized in that: the electric turntable for the automobile seat further comprises an electric driving device; the electric driving device comprises a variable speed motor, a gear ring and at least two expansion gears; the gear ring is provided with a circle of internal teeth and is fixedly connected with the turntable; the variable speed motor and the expansion gear are both connected with the chassis, a driving gear is installed at the output end of the variable speed motor, and the driving gear and the expansion gear are both meshed with the inner teeth of the gear ring.
Preferably, a circle of steel balls are arranged on the upper retainer, and a circle of steel balls are arranged on the lower retainer.
Preferably, the turntable comprises a turntable body which is in a thin-wall cylindrical shape and is provided with a top assembly surface, and the turntable body is provided with a circle of flanging; the pressure plate is in a circular ring shape, the bottom of the pressure plate is provided with a circle of inner flange and a circle of outer flange, the pressure plate presses a circle of outer flanging through an upper retainer, and the upper retainer is positioned between the inner flange and the outer flange; the lower retainer is arranged between the bottom of the outer flanging of the circle and the chassis.
Preferably, a circle of arc-shaped groove is formed in the inner bottom surface of the pressure plate, and the upper part of the upper steel ball is located in the arc-shaped groove; the contact of the lower steel ball with the outward turned edge and the chassis adopts a double-point contact structure.
Preferably, the center of the top assembling surface of the turntable body is provided with an assembling hole for avoiding the driving gear and the expansion gear, and the top assembling surface of the turntable body is also provided with a spline assembling groove.
Preferably, the tight gear that expands sets up two, and two tight gears that expand and variable speed motor install on a fixed bolster, fixed bolster and chassis fixed connection install two spinal branchs frame axles and be provided with a hole of stepping down that supplies drive gear to pass on the fixed bolster, and two tight gears that expand are installed respectively on two spinal branchs frame axles, and a gear shaft is installed to variable speed motor's output, drive gear installs on the gear shaft.
Preferably, one driving gear and two expansion gears are distributed in an equilateral triangle.
Preferably, one driving gear and the two expansion gears are axially positioned through one cover plate, the cover plate is fixedly connected with the fixed support, three small holes are formed in the cover plate, and the end parts of the gear shaft and the two support shafts penetrate into the three small holes respectively.
Compared with the prior art, the utility model has the following advantages and effects:
1. the electric driving device comprises a driving gear and two expansion gears, the three gears are arranged in a triangular mode, the structure is stable, stress is balanced, the two expansion gears reduce meshing gaps of gear rings of the gears, shaking gaps can be eliminated, and the electric driving device is comfortable to use;
2. utilize the pressure disk to push down the round flanging of carousel, the pressure disk has flange and the outer flange of round in the round, the assembly relation similar to the couple is formed with the flange in the round of flanging of carousel and pressure disk, and the upper retainer is located between flange and the flanging in, the contact of lower steel ball in the lower retainer and flanging, chassis all adopts two point contact structure to make the installation of carousel have very strong anti effect of peeling off, make carousel safe and reliable rotate.
Drawings
In order to illustrate the embodiments of the present invention or the solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive effort.
Fig. 1 is a schematic perspective view of an electric turntable according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of the exploded structure of fig. 1.
Fig. 3 is a schematic top view of an electric turntable according to an embodiment of the present invention.
Fig. 4 is a schematic sectional view taken along line a-a in fig. 3.
Fig. 5 is another schematic top view (with the cover removed) of the electric turntable according to the embodiment of the present invention.
Description of reference numerals: a cover plate 1; a platen 2; an upper holder 3; a turntable 4; a ring gear 5; a lower holder 6; a chassis 7; a fixed bracket 8; a variable speed motor 9; expanding the gear 10;
an aperture 11; an arc-shaped groove 21; an inner flange 22; an outer flange 23; a flange 24; a fixing hole 25; a steel ball 31 is arranged;
a turntable body 41; a flange 42; a fitting hole 410; a spline fitting groove 411;
internal teeth 51; a steel ball 61 is put; a support shaft 81; a relief hole 82;
a drive gear 91; a gear shaft 92.
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
Examples are given.
See fig. 1-5.
The embodiment discloses an electric turntable for an automobile seat, which comprises a chassis 7, a turntable 4, a pressure plate 2, an upper retainer 3, a lower retainer 6 and an electric driving device.
In this embodiment, pressure disk 2 and chassis 7 pass through bolt fixed connection, and pressure disk 2 is used for the pressure equipment of carousel 4 on chassis 7, and carousel 4 and chassis 7 are between the two through 6 normal running fit of lower retainer, and carousel 4 and pressure disk 2 are between the two through 3 normal running fit of upper retainer. The chassis 7, the rotary table 4 and the pressure plate 2 are all metal pieces, and the upper retainer 3 and the lower retainer 6 are made of nylon materials, so that abrasion can be reduced.
Specifically, in the present embodiment, the turntable 4 includes a turntable body 41 having a thin-walled cylindrical shape and a top mounting surface, the turntable body 41 has a circle of outward flange 42, and the outward flange 42 is turned upward in a tilted manner, so that the function and effect similar to a hook are provided.
Specifically, in this embodiment, the pressure plate 2 is annular, that is, the pressure plate 2 includes an annular sheet body, a circle of inner ribs 22 and a circle of outer ribs 23 are integrally connected to the bottom of the annular sheet body, horizontal flanges 24 are arranged at intervals on the edges of the outer ribs 23, fixing holes 25 are formed in the flanges 24, and the pressure plate 2 and the chassis 7 are fixedly connected by installing bolts in the fixing holes 25. The pressure plate 2 in the embodiment presses the circle of outward flanging 42 through the upper retainer 3, so that the anti-stripping strength of the rotary table 4 is greatly increased, specifically, the upper retainer 3 is positioned between the circle of inner flange 22 and the circle of outward flanging 42 of the rotary table 4, the circle of inner flange 22 and the circle of outward flanging 42 of the rotary table 4 form an assembly relation similar to a hook, so that the installation of the rotary table 4 has a strong anti-stripping effect, and the rotary table 4 can safely and reliably rotate.
Specifically, in the present embodiment, the lower holder 6 is disposed between the bottom of the one turn of the burring 42 and the chassis 7. A ring of steel balls 31 is arranged on the upper retainer 3, and a ring of lower steel balls 61 is arranged on the lower retainer 6. The inner bottom surface of the pressure plate 2 is provided with a circle of arc-shaped grooves 21, and the upper portion of the upper steel ball 31 is located in the arc-shaped grooves 21, so that the upper steel ball 31 is in surface contact with the pressure plate 2. The contact of the lower steel ball 61 with the outward flange 42 and the chassis 7 adopts a double-point contact structure, namely, the structure is similar to an angular contact ball bearing structure, so that the installation of the turntable 4 is stable and reliable, and the left-right shaking is not easy to occur.
In the present embodiment, the electric drive device includes a speed change motor 9, a drive gear 91, a ring gear 5, and two expansion gears 10. The output end of the variable speed motor 9 is provided with a gear shaft 92, and the driving gear 91 is arranged on the gear shaft 92. The ring gear 5 has a circle of internal teeth 51, and a driving gear 91 and two expansion gears 10 are distributed in an equilateral triangle and are each meshed with the internal teeth 51 of the ring gear 5. One drive gear 91 and two tight gear 10 that expand form the triangle-shaped and arrange and have stable in structure, the balanced advantage of atress, and two tight gear 10 that expand provide the tight power that expands, have reduced the meshed clearance of gear ring, can eliminate carousel 4 and rock the clearance, use comfortablely.
In this embodiment, the gear ring 5 and the turntable 4 are fixedly connected through a bolt, the center of the top assembly surface of the turntable body 41 is provided with an assembly hole 410 for avoiding the driving gear 91 and the expansion gear 10, the top assembly surface of the turntable body 41 is further provided with a spline assembly groove 411, and the spline assembly groove 411 can be conveniently assembled with a seat cushion main body of an automobile seat.
In this embodiment, two expansion gears 10 and a variable speed motor 9 are installed on a fixed support 8, the fixed support 8 is fixedly connected with the chassis 7, two support shafts 81 and a yielding hole 82 for the driving gear 91 to pass through are installed on the fixed support 8, and the two expansion gears 10 are respectively installed on the two support shafts 81. A drive gear 91 and two tight gear 10 that expand carry out axial positioning through a apron 1, apron 1 and fixed bolster 8 fixed connection, have seted up three aperture 11 on the apron 1, and the tip of gear shaft 92 and two spinal branch frame axles 81 is worn into respectively in three aperture 11.
In this embodiment, the electric rotating method of the electric rotating disk for the car seat is as follows: start gear change machine 9, gear change machine 9 drives drive gear 91 and rotates, because drive gear 91 all meshes with ring gear 5's internal tooth 51 with tight gear 10 that expands, so drive gear 91's rotation and then drive ring gear 5 and rotate around its central axis, tight gear 10 that expands also does synchronous rotation, tight gear 10 that expands plays the tight effect of expanding to ring gear 5 simultaneously, ring gear 5 and 4 fixed connection of carousel, thereby carousel 4 rotates with ring gear 5 synchronous, and carousel 4 also receives the tight effect of expanding of tight gear 10 that expands simultaneously, eliminate carousel 4 and rock the clearance, carousel 4 steadily rotates.
In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an illustration of the structure of the present invention. All equivalent or simple changes in the structure, characteristics and principles of the utility model are included in the protection scope of the patent. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims.
Claims (6)
1. An electric turntable for an automobile seat comprises a chassis (7), a turntable (4), a pressure plate (2), an upper retainer (3) and a lower retainer (6), wherein the pressure plate (2) is fixedly connected with the chassis (7), the pressure plate (2) is used for pressing the turntable (4) on the chassis (7), the turntable (4) and the chassis (7) are in running fit through the lower retainer (6), and the turntable (4) and the pressure plate (2) are in running fit through the upper retainer (3); the method is characterized in that: the electric turntable for the automobile seat further comprises an electric driving device; the electric driving device comprises a variable speed motor (9), a gear ring (5) and at least two expansion gears (10); the gear ring (5) is provided with a circle of internal teeth (51), and the gear ring (5) is fixedly connected with the turntable (4); variable speed motor (9) and tight gear (10) that expand all are connected with chassis (7), and a drive gear (91) is installed to the output of variable speed motor (9), drive gear (91) and tight gear (10) that expand all mesh with internal tooth (51) of ring gear (5).
2. The electric turntable for an automobile seat according to claim 1, characterized in that: a ring of steel balls (31) is arranged on the upper retainer (3), and a ring of lower steel balls (61) is arranged on the lower retainer (6).
3. The electric turntable for an automobile seat according to claim 2, characterized in that: the turntable (4) comprises a turntable body (41) which is in a thin-wall cylindrical shape and is provided with a top assembly surface, and the turntable body (41) is provided with a circle of flanging (42); the pressure plate (2) is annular, the bottom of the pressure plate is provided with a circle of inner flanges (22) and a circle of outer flanges (23), the upper retainer (3) presses a circle of outer flanges (42) of the turntable, and the upper retainer (3) is positioned between the inner flanges (22) and the outer flanges (23); the lower retainer (6) is arranged between the bottom of the outer flanging (42) and the chassis (7); a circle of arc-shaped grooves (21) are formed in the inner bottom surface of the pressure plate (2) between the circle of inner ribs (22) and the circle of outer ribs (23), and the upper parts of the upper steel balls (31) are located in the arc-shaped grooves (21); the contact of the lower steel ball (61) with the outward flange (42) and the chassis (7) adopts a double-point contact structure.
4. The electric turntable for an automobile seat according to claim 1, characterized in that: the utility model discloses a gear shaft (92) is installed to tight gear (10) expand, two tight gear (10) expand and change gear motor (9) are installed on a fixed bolster (8), fixed bolster (8) and chassis (7) fixed connection install two support axle (81) and be provided with one and supply yielding hole (82) that drive gear (91) passed on fixed bolster (8), two tight gear (10) expand install respectively on two support axle (81), a gear shaft (92) is installed to the output of change gear motor (9), drive gear (91) are installed on gear shaft (92).
5. The electric turntable for an automobile seat according to claim 4, characterized in that: one driving gear (91) and two expansion gears (10) are distributed in an equilateral triangle.
6. The electric turntable for an automobile seat according to claim 4, characterized in that: a drive gear (91) and two tight gear (10) expand carry out axial positioning through a apron (1), apron (1) and fixed bolster (8) fixed connection have seted up three aperture (11) on apron (1), and the tip of gear shaft (92) and two support axle (81) is worn into respectively in three aperture (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122328188.0U CN216331577U (en) | 2021-09-25 | 2021-09-25 | Electric turntable for automobile seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122328188.0U CN216331577U (en) | 2021-09-25 | 2021-09-25 | Electric turntable for automobile seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216331577U true CN216331577U (en) | 2022-04-19 |
Family
ID=81172378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122328188.0U Active CN216331577U (en) | 2021-09-25 | 2021-09-25 | Electric turntable for automobile seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216331577U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023225397A1 (en) * | 2022-05-20 | 2023-11-23 | Magna Seating Inc. | Swivel mechanism with dual function bearing plate |
-
2021
- 2021-09-25 CN CN202122328188.0U patent/CN216331577U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023225397A1 (en) * | 2022-05-20 | 2023-11-23 | Magna Seating Inc. | Swivel mechanism with dual function bearing plate |
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