Turntable stepless locking mechanism capable of eliminating gap

Abstract

The utility model relates to the technical field of automobile parts, in particular to a rotary table stepless locking mechanism capable of eliminating gaps, which comprises a rotary table, a transmission piece and a locking assembly, and the locking assembly comprises a driving rod, a limiting disc, a first rotary frame, a second rotary frame and a locking wheel. The driving rod is electrified to push the first rotating frame, so that the first rotating frame slides towards the outside of the rotating disc on the limiting disc, and at the moment, the first rotating frame and the second rotating frame rotate to reduce the included angle, so that the two locking wheels are close to each other and are meshed with a gear ring of the rotating disc, and the rotating disc is locked in a stepless manner; according to the locking mechanism, the first rotating frame is driven to rotate through the driving rod, so that the locking wheels connected with the first rotating frame are close to one another, the second rotating frame rotates to assist the locking wheels in moving, it is guaranteed that the locking wheels move stably, the two locking wheels and the gear ring on the rotating disc are meshed with one another, locking gaps do not exist, and the rotating disc is completely locked; and the phenomenon that the seat still can slightly shake after the rotary disc is locked is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile accessories, especially relates to a rotary table stepless locking mechanism of eliminating gap. BACKGROUND

[0002] At present, the rotating function of passenger seat is widely used to meet the needs of passengers adjusting the angle of seat for different use, such as but not limited to, car seat, etc.

[0003] The main components of the existing seat rotary table include upper rotary disc and lower rotary disc which can rotate relatively, wherein the upper rotary disc is connected with seat frame, the lower rotary disc is connected with seat slide rail or directly with vehicle body; and a locking mechanism is arranged between the upper and lower rotary discs for locking the upper rotary disc in the set working position.

[0004] There is a gap between the guide sliding block and the sliding seat of the existing locking structure, and the sliding block will cause the angle deviation of the sliding block and the locking gear when it is close to the sliding seat, so that the locking structure cannot completely lock the rotary disc, resulting in that the seat can still slightly shake after adjusting the angle, which affects the user experience. SUMMARY

[0005] The utility model aims at providing a rotary table stepless locking mechanism of eliminating gap, which aims to solve the problem that there is a gap between the guide sliding block and the sliding seat of the existing locking structure, and the sliding block and the locking gear are deviated in angle, and the rotary disc cannot be completely locked.

[0006] To achieve the above-mentioned purpose, in the first aspect, the utility model provides a rotary table stepless locking mechanism of eliminating gap, which comprises rotary disc, transmission part and locking assembly, the transmission part is arranged on one side of the rotary disc, the locking assembly is arranged on one side of the rotary disc, the locking assembly comprises driving rod, limiting disc, first rotary frame, second rotary frame and locking wheel; the limiting disc is fixedly connected with the rotary disc and located on one side of the rotary disc, the driving rod is arranged on one side of the limiting disc, the first rotary frame is rotatably connected with the driving rod and located on one side of the driving rod, the locking wheel is rotatably connected with the first rotary frame and located on the side of the first rotary frame away from the driving rod, the second rotary frame is rotatably connected with the locking wheel and the rotary disc, and located on the side of the locking wheel away from the first rotary frame.

[0007] The transmission part comprises driving motor and driving wheel, the driving wheel is engaged with the rotary disc and located on one side of the rotary disc, the driving motor is fixedly connected with the driving wheel and located on one side of the driving wheel.

[0008] The driving rod comprises a butterfly piece, a screw rod and a rotating motor, the butterfly piece is slidably connected with the limiting disc and is located on both sides of the limiting disc, the screw rod is threadedly connected with the butterfly piece and penetrates through the butterfly piece, and the rotating motor is fixedly connected with the screw rod and the rotating disc and is located on one side of the screw rod.

[0009] The first rotating frame comprises a rotating rod and a rotating shaft, the rotating shaft is rotatably connected with the butterfly piece and is located at the bottom of the butterfly piece, and the rotating rod is rotatably connected with the rotating shaft and the locking wheel and is located between the locking wheel and the rotating shaft.

[0010] The rotating motor comprises a motor body and a mounting plate, the mounting plate is fixedly connected with the rotating disc and is located on one side of the rotating disc, the motor body is fixedly connected with the mounting plate and the screw rod and is located between the mounting plate and the screw rod.

[0011] The butterfly piece comprises a butterfly piece body, a bottom plate and a fixing bolt, the butterfly piece body is threadedly connected with the screw rod and is located on the outer side of the screw rod, the bottom plate is arranged on the side, away from the butterfly piece body, of the limiting disc, and the fixing bolt is threadedly connected with the butterfly piece body and the bottom plate and penetrates through the limiting disc.

[0012] In the second aspect, the utility model also provides a kind of endless locking method of eliminating gap of rotating disc, and the endless locking mechanism of eliminating gap of rotating disc described in the first aspect is characterized by comprising the following steps:

[0013] The driving rod is powered to pull the first rotating frame, so that the first rotating frame slides on the limiting disc to the middle of the rotating disc, at this time, the first rotating frame and the second rotating frame rotate to increase the included angle, so that the two locking wheels are separated and move away from each other, and the rotating disc is unlocked.

[0014] The transmission member is powered to drive the rotating disc to rotate, thereby adjusting the rotating disc of the automobile seat.

[0015] The driving rod is powered to push the first rotating frame, so that the first rotating frame slides on the limiting disc to the outside of the rotating disc, at this time, the first rotating frame and the second rotating frame rotate to decrease the included angle, so that the two locking wheels move close to each other and mesh, at this time, the two locking wheels and the gear ring of the rotating disc are meshed with each other, thereby achieving endless locking of the rotating disc.

[0016] The utility model discloses a kind of eliminate gap's rotary table stepless locking mechanism, the drive rod energization pulls the first rotating frame, make the first rotating frame slide on the limiting disc to the rotating disc middle part, at this time, the first rotating frame and the second rotating frame self-rotating increase its included angle, make two the lock wheel connected therewith separate and mutually far away, unlock the rotating disc;At this time, the transmission member energization drives the rotating disc rotation, realize the adjustment of car seat rotary table;The drive rod is energized again and pushes the first rotating frame, make the first rotating frame slide on the limiting disc to the rotating disc outside, at this time, the first rotating frame and the second rotating frame self-rotating reduce its included angle, make two the lock wheel mutually close and meshing, at this time, two the lock wheel and the gear ring of the rotating disc realize three mutually meshing, realize stepless locking the rotating disc, and the locking mechanism is driven the first rotating frame rotation by the drive rod, so that two the lock wheel connected therewith mutually close, the second rotating frame rotation assists the lock wheel movement, guarantee the lock wheel movement smoothly, the limiting disc is set, for the limiting of first rotating frame sliding, avoid two the lock wheel offset, by two the lock wheel and the gear ring on the rotating disc meshing, realize three mutually meshing, without locking gap, to realize the complete locking of the rotating disc, avoid the phenomenon that seat can still slightly sway after rotary disc locking, solve the gap between the guide block and the slide of existing locking structure, the angle offset of slider and locking gear, cannot completely lock rotary disc. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will be to the drawing needed to be used in the embodiment or prior art description simple introduction, obviously, below description in the drawing only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.

[0018] Figure 1 It is the front view of a kind of eliminate gap's rotary table stepless locking mechanism provided by the utility model.

[0019] Figure 2 It is the bottom view of a kind of eliminate gap's rotary table stepless locking mechanism provided by the utility model.

[0020] Figure 3 It is the structure schematic view of a kind of eliminate gap's rotary table stepless locking mechanism provided by the utility model.

[0021] Figure 4 It is the flow chart of a kind of eliminate gap's rotary table stepless locking method provided by the utility model.

[0022] In the figure: 1-rotating disc, 2-transmission part, 3-locking assembly, 4-driving rod, 5-limiting disc, 6-first rotating frame, 7-second rotating frame, 8-locking wheel, 9-driving motor, 10-driving wheel, 11-butterfly piece, 12-screw rod, 13-rotating motor, 14-rotating rod, 15-rotating shaft, 16-motor body, 17-mounting plate, 18-butterfly piece body, 19-bottom plate, 20-fixing bolt. DETAILED DESCRIPTION

[0023] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0024] Please refer to Figures 1 to 3 , the first aspect, the utility model provides a kind of eliminate gap's rotary table endless locking mechanism, including rotating disc 1, transmission part 2 and locking assembly 3, the transmission part 2 is arranged in one side of the rotating disc 1, the locking assembly 3 is arranged in one side of the rotating disc 1, the locking assembly 3 includes driving rod 4, limiting disc 5, first rotating frame 6, second rotating frame 7 and locking wheel 8;

[0025] The limiting disc 5 is fixedly connected with the rotating disc 1, and is located at one side of the rotating disc 1, the driving rod 4 is arranged at one side of the limiting disc 5, the first rotating frame 6 is rotatably connected with the driving rod 4, and is located at one side of the driving rod 4, the locking wheel 8 is rotatably connected with the first rotating frame 6, and is located at one side of the first rotating frame 6 away from the driving rod 4, the second rotating frame 7 is rotatably connected with the locking wheel 8, and is rotatably connected with the rotating disc 1, and is located at one side of the locking wheel 8 away from the first rotating frame 6.

[0026] In the embodiment of the utility model, the drive rod 4 is electrified to pull the first rotating frame 6, makes the first rotating frame 6 slide on the limiting disc 5 to the middle part of the rotating disc 1, at this time, the first rotating frame 6 and the second rotating frame 7 rotate to increase the included angle, make the two stop wheels 8 connected with them separate and mutually far away, unlock the rotating disc 1, at this time, the transmission part 2 is electrified to drive the rotating disc 1 to rotate, realize the adjustment of the rotating disc of car seat, the drive rod 4 is electrified again to push the first rotating frame 6, makes the first rotating frame 6 slide on the limiting disc 5 to the outside of the rotating disc 1, at this time, the first rotating frame 6 and the second rotating frame 7 rotate to reduce the included angle, make the two stop wheels 8 mutually close and engage, at this time, the two stop wheels 8 and the gear ring of the rotating disc 1 realize the engagement of three, realize the stepless locking of the rotating disc 1, the locking mechanism drives the first rotating frame 6 to rotate through the drive rod 4, make the two stop wheels 8 connected with them mutually close, the second rotating frame 7 rotates and assists the movement of the stop wheel 8, guarantees the smooth movement of the stop wheel 8, the limiting disc 5 is arranged to limit the sliding of the first rotating frame 6, avoids the deviation of the two stop wheels 8, engages the gear ring on the rotating disc 1 through the two stop wheels 8, realizes the engagement of three, has no locking gap, thereby realizes the complete locking of the rotating disc 1, avoids the phenomenon that the seat still can slightly sway after the rotating disc is locked, solves the problem that the gap exists between the guide sliding block and the slide of the prior locking structure, the angle of the sliding block and the locking gear deviates, cannot completely lock the rotating disc.

[0027] Further, the transmission part 2 includes a drive motor 9 and a drive wheel 10, the drive wheel 10 is engaged with the rotating disc 1 and located on one side of the rotating disc 1, the drive motor 9 is fixedly connected with the drive wheel 10 and located on one side of the drive wheel 10.

[0028] In the embodiment of the utility model, the drive motor 9 is electrified to rotate at the output end, drives the drive wheel 10 to rotate, and then makes the rotating disc 1 engaged with it rotate, that is, realizes the stepless adjustment of the car seat.

[0029] Further, the drive rod 4 includes a butterfly piece 11, a lead screw 12 and a rotating motor 13, the butterfly piece 11 is slidably connected with the limiting disc 5 and located on both sides of the limiting disc 5, the lead screw 12 is threadedly connected with the butterfly piece 11 and penetrates through the butterfly piece 11, the rotating motor 13 is fixedly connected with the lead screw 12 and fixedly connected with the rotating disc 1 and located on one side of the lead screw 12.

[0030] In the embodiment of the utility model, the rotation motor 13 is electrified to drive the screw rod 12 to rotate, the screw rod 12 rotates, under the action of the screw thread thereon, the butterfly piece 11 is made to slide on the screw rod 12, the butterfly piece 11 slides and drives the first rotating frame 6 to move simultaneously, thereby driving two stop wheels 8 to move.

[0031] Further, the first rotating frame 6 includes a rotating rod 14 and a rotating shaft 15, the rotating shaft 15 is rotatably connected with the butterfly piece 11 and is located at the bottom of the butterfly piece 11, the rotating rod 14 is rotatably connected with the rotating shaft 15 and is rotatably connected with the stop wheel 8 and is located between the stop wheel 8 and the rotating shaft 15.

[0032] In the embodiment of the utility model, the first rotating frame 6 and the second rotating frame 7 are the same structure, the rotating shaft 15 is arranged for connecting the rotating rod 14 and the butterfly piece 11, so that the butterfly piece 11 moves and drives the rotating shaft 15 to move simultaneously, at this time, due to the movement of the rotating shaft 15, the two rotating rods 14 connected with the two stop wheels 8 rotate around the rotating shaft 15, the included angle between the two rotating rods 14 is changed, so that the two stop wheels 8 are close to or away from each other.

[0033] Further, the rotating motor 13 includes a motor body 16 and a mounting plate 17, the mounting plate 17 is fixedly connected with the rotating disc 1 and is located on one side of the rotating disc 1, the motor body 16 is fixedly connected with the mounting plate 17 and is fixedly connected with the screw rod 12 and is located between the mounting plate 17 and the screw rod 12.

[0034] In the embodiment of the utility model, the mounting plate 17 is fixed on the rotating disc 1 through bolts, the motor body 16 is used for driving the screw rod 12 to rotate, thereby driving the butterfly piece 11 to slide.

[0035] Further, the butterfly piece 11 includes a butterfly piece body 18, a bottom plate 19 and a fixing bolt 20, the butterfly piece body 18 is threadedly connected with the screw rod 12 and is located on the outer side of the screw rod 12, the bottom plate 19 is arranged on the side, away from the butterfly piece body 18, of the limiting disc 5, the fixing bolt 20 is threadedly connected with the butterfly piece body 18 and the bottom plate 19 respectively and penetrates the limiting disc 5.

[0036] In the embodiment of the utility model, the fixed peg 20 connects and fixes the butterfly piece body 18 and the bottom plate 19, the bottom plate 19 connects the rotating shaft 15 and the butterfly piece body 18, when the screw rod 12 drives the butterfly piece body 18 to slide, the fixed peg 20 slides in the through groove of the limiting disc 5, and the butterfly piece body 18 is limited and guided.

[0037] Please refer to Figure 4 In the second aspect, the utility model also provides a kind of endless locking method of eliminating gap rotary table, as described in the first aspect, a kind of endless locking mechanism of eliminating gap rotary table, characterized by comprising the following steps:

[0038] S1 drive rod 4 is powered to pull first rotating frame 6, so that first rotating frame 6 slides on limiting disc 5 to the middle of rotary disc 1, at this time, first rotating frame 6 and second rotating frame 7 are self-rotated to increase the included angle thereof, so that two locking wheels 8 are separated and mutually far away, and rotary disc 1 is unlocked;

[0039] In the embodiment of the utility model, the rotating motor 13 is powered to drive the screw rod 12 to rotate, the screw rod 12 rotates, under the action of screw thread thereon, so that the butterfly piece 11 slides on the screw rod 12, drives the rotating shaft 15 to move together, at this time, since the rotating shaft 15 moves, two rotating rods 14 connected with two locking wheels 8 rotate around the rotating shaft 15, increase the included angle between two rotating rods 14, so that two locking wheels 8 are far away, and rotary disc 1 is unlocked.

[0040] S2 transmission member 2 is powered to drive rotary disc 1 to rotate, to realize the adjustment of automobile seat rotary disc;

[0041] In the embodiment of the utility model, the drive motor 9 is powered to rotate at its output end, drives the drive wheel 10 to rotate, and then makes rotary disc 1 meshed with it rotate, that is, realizes endless adjustment of automobile seat.

[0042] S3 drive rod 4 is powered to push first rotating frame 6, so that first rotating frame 6 slides on limiting disc 5 to the outside of rotary disc 1, at this time, first rotating frame 6 and second rotating frame 7 are self-rotated to reduce the included angle thereof, so that two locking wheels 8 are mutually close and meshed, at this time, two locking wheels 8 and the gear ring of rotary disc 1 realize three mutual meshing, realize endless locking rotary disc 1.

[0043] In the embodiment of the utility model, the rotation motor 13 is electrified to drive the screw rod 12 to rotate reversely, the screw rod 12 rotates reversely, under the action of the screw thread on it, the butterfly piece 11 is made to slide on the screw rod 12, drives the rotation shaft 15 to move together, at this moment, because of the movement of the rotation shaft 15, two rotation rods 14 connected with two stop wheels 8 rotate around the rotation shaft 15, reduce the included angle between two rotation rods 14, thereby make two stop wheels 8 close, realize stepless locking of the rotary disc 1.

[0044] The above disclosed is only the preferable embodiment of the stepless locking mechanism of the rotary disc eliminating gap of the utility model, of course, cannot with this to limit the right scope of the utility model, the person skilled in the art can understand that all or part of the processes of the above embodiment are realized, and the equivalent changes made according to the utility model claim still belong to the range covered by the utility model.

Claims

1.A gap-eliminating rotary disc endless locking mechanism, characterized in that, it comprises a rotary disc, a transmission member and a locking assembly, the transmission member is arranged on one side of the rotary disc, the locking assembly is arranged on one side of the rotary disc, and the locking assembly comprises a driving rod, a limiting disc, a first rotary frame, a second rotary frame and a locking wheel; the limiting disc is fixedly connected with the rotary disc and located on one side of the rotary disc, the driving rod is arranged on one side of the limiting disc, the first rotary frame is rotatably connected with the driving rod and located on one side of the driving rod, the locking wheel is rotatably connected with the first rotary frame and located on one side of the first rotary frame away from the driving rod, and the second rotary frame is rotatably connected with the locking wheel and the rotary disc and located on one side of the locking wheel away from the first rotary frame. 2.The gap-eliminating rotary disc endless locking mechanism according to claim 1, characterized in that, the transmission member comprises a driving motor and a driving wheel, the driving wheel is engaged with the rotary disc and located on one side of the rotary disc, and the driving motor is fixedly connected with the driving wheel and located on one side of the driving wheel. 3.The gap-eliminating rotary disc endless locking mechanism according to claim 1, characterized in that, the driving rod comprises a butterfly piece, a lead screw and a rotary motor, the butterfly piece is slidably connected with the limiting disc and located on both sides of the limiting disc, the lead screw is threadedly connected with the butterfly piece and penetrates through the butterfly piece, and the rotary motor is fixedly connected with the lead screw and the rotary disc and located on one side of the lead screw. 4.The gap-eliminating rotary disc endless locking mechanism according to claim 3, characterized in that, the first rotary frame comprises a rotary rod and a rotary shaft, the rotary shaft is rotatably connected with the butterfly piece and located at the bottom of the butterfly piece, and the rotary rod is rotatably connected with the rotary shaft and the locking wheel and located between the locking wheel and the rotary shaft. 5.The gap-eliminating rotary disc endless locking mechanism according to claim 3, characterized in that, the rotary motor comprises a motor body and a mounting plate, the mounting plate is fixedly connected with the rotary disc and located on one side of the rotary disc, and the motor body is fixedly connected with the mounting plate and the lead screw and located between the mounting plate and the lead screw. 6.The gap-eliminating rotary disc endless locking mechanism according to claim 3, characterized in that, the butterfly piece comprises a butterfly piece body, a bottom plate and a fixing bolt, the butterfly piece body is threadedly connected with the lead screw and located outside the lead screw, the bottom plate is arranged on one side of the limiting disc away from the butterfly piece body, and the fixing bolt is threadedly connected with the butterfly piece body and the bottom plate and penetrates through the limiting disc.

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