Search

CN-224210933-U - Gear transmission limiting mechanism of automobile seat

CN224210933UCN 224210933 UCN224210933 UCN 224210933UCN-224210933-U

Abstract

The utility model discloses a gear transmission limiting mechanism of an automobile seat, which belongs to the technical field of automobile seats and comprises an outer shell, a first soft cushion and a second soft cushion, wherein a mounting plate is fixed between the first soft cushion and the outer shell, notches are formed in the left side and the right side of the mounting plate, two movable grooves are formed in the lower portion of the front side of the mounting plate, the two movable grooves are symmetrically arranged, and first connecting pieces are fixed at positions, close to the two movable grooves, of the front side of the mounting plate. The gear shifting stroke is 90-degree high-efficiency rotation angle, the operation space is saved by 25%, the second driving wheel 45CrMo hardens the gear, the tooth surface is subjected to laser shaping, the operation force is reduced by 30%, the gear positioning force is only 3.5-5.0N, the gear positioning force is reduced by half compared with the traditional gear positioning force of 7-10N, the hand feeling is light and the handfeel is +50%, the problem that the traditional gear shifting stroke is 120-degree rotation angle, which means that the operation space is smaller, and meanwhile, the traditional gear positioning force is 7-10N, and the feeling resistance is large and inflexible in operation is solved.

Inventors

  • SONG HAO

Assignees

  • 常州市正天汽车科技有限公司

Dates

Publication Date
20260508
Application Date
20250622

Claims (7)

  1. 1. The utility model provides an automobile seat gear drive stop gear, includes shell (1), first cushion (2) and second cushion (3), wherein be fixed with mounting panel (4) between first cushion (2) and the shell (1), breach (9) have all been seted up to the left and right sides of mounting panel (4), two movable grooves (5) have been seted up to the front side lower part of mounting panel (4), two movable grooves (5) symmetrical arrangement, the front side of mounting panel (4) is close to the position of two movable grooves (5) all fixed with first connecting piece (6), and two the opposite one side of first connecting piece (6) is all rotated and is connected with first drive wheel (7), the outside meshing of first drive wheel (7) is connected with second drive wheel (8), the rear side of second drive wheel (8) is connected with the front side rotation of mounting panel (4), second drive wheel (8) are located the inside of breach (9), the pivot of first drive wheel (7) is fixed with stopper (10), the first connecting piece (6) is connected with first connecting piece (12) on the first connecting piece (12) of the first connecting piece (12) rotation, the first connecting piece (12) is connected with the first connecting piece (12), the lower part of the inner side of the first connecting piece (6) is rotationally connected with a second connecting rod (13), and the upper end of the second connecting rod (13) is rotationally connected with the outer side of the second connecting piece (12).
  2. 2. The automobile seat gear transmission limiting mechanism according to claim 1, wherein two waist-shaped mounting holes are formed in opposite sides of the two first connecting pieces (6), a shaft sleeve is fixed between the two waist-shaped mounting holes, the inner side of the shaft sleeve is rotationally connected with the outer side of a rotating shaft of the first driving wheel (7), and the shaft sleeve is fixedly connected with the waist-shaped mounting holes through eccentric adjusting screws.
  3. 3. The automobile seat gear transmission limiting mechanism according to claim 1 is characterized in that the tooth crest trimming amount of the first transmission wheel (7) and the second transmission wheel (8) is 0.02mm.
  4. 4. The automobile seat gear transmission limiting mechanism according to claim 1, wherein the diameter of the second transmission wheel (8) is larger than that of the first transmission wheel (7), and the second transmission wheel (8) is perpendicular to the first transmission wheel (7).
  5. 5. The automobile seat gear transmission limiting mechanism according to claim 1, wherein the limiting block (10) is of a rectangular structure, and the circle center of the rotating shaft of the first driving wheel (7) is not coincident with the geometric center of the limiting block (10).
  6. 6. The automobile seat gear transmission limiting mechanism according to claim 1, wherein the distances between the circle center of the rotating shaft of the first driving wheel (7) and the four sides of the limiting block (10) are different.
  7. 7. The gear transmission limiting mechanism of the automobile seat is characterized in that connecting lines of two ends of the first connecting rod (11) are parallel to connecting lines of two ends of the second connecting rod (13), and connecting lines of two ends of the first connecting rod (11) are identical to connecting lines of two ends of the second connecting rod (13).

Description

Gear transmission limiting mechanism of automobile seat Technical Field The utility model belongs to the technical field of automobile seats, and particularly relates to a gear transmission limiting mechanism of an automobile seat. Background The automobile seat gear transmission limiting mechanism is a key component for controlling the adjustment range of a seat, preventing the overload damage of gears and ensuring the adjustment precision, the traditional gear shifting stroke of the traditional automobile seat gear transmission limiting mechanism is 120-degree rotation angle, which means that the operation space is smaller, and meanwhile, the traditional gear positioning force is 7-10N, and the feeling of resistance is large and inflexible in operation, so that the automobile seat gear transmission limiting mechanism is provided. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides the automobile seat gear transmission limiting mechanism, the gear shifting stroke is an efficient rotation angle of 90 degrees, the operation space is saved by 25 percent, the second driving wheel 45CrMo hardens the gear, the tooth surface is subjected to laser shaping, the operation force is reduced by 30 percent, the gear positioning force is only 3.5-5.0N, and is reduced by half compared with the traditional gear positioning force of 7-10N, the hand feeling is light and handfeel is +50%, so that the problems that the traditional gear shifting stroke proposed in the background art is a rotation angle of 120 degrees, the operation space is smaller, and meanwhile, the traditional gear positioning force is 7-10N, and the feeling resistance is large and inflexible in operation are solved. The automobile seat gear transmission limiting mechanism comprises an outer shell, a first soft cushion and a second soft cushion, wherein a mounting plate is fixed between the first soft cushion and the outer shell, notches are formed in the left side and the right side of the mounting plate, two movable grooves are formed in the lower portion of the front side of the mounting plate, the two movable grooves are symmetrically arranged, a first connecting piece is fixed to the front side of the mounting plate close to the two movable grooves, a first driving wheel is rotatably connected to the opposite side of the two first connecting pieces, a second driving wheel is meshed and connected to the outer side of the first driving wheel, the rear side of the second driving wheel is rotatably connected with the front side of the mounting plate, the second driving wheel is located in the notch, a limiting block is fixed to one end of a rotating shaft of the first driving wheel, a first connecting rod is rotatably connected to the upper portion of the inner side of the first connecting piece, a second connecting piece is rotatably connected to the upper end of the first connecting rod, a first connecting piece is rotatably connected to the rear side of the front side of the outer shell, and the second connecting piece is rotatably connected to the lower portion of the second connecting piece. As a preferable technical scheme of the utility model, two waist-shaped mounting holes are formed on opposite sides of the two first connecting pieces, a shaft sleeve is fixed between the two waist-shaped mounting holes, the inner side of the shaft sleeve is rotationally connected with the outer side of a rotating shaft of the first driving wheel, and the shaft sleeve is fixedly connected with the waist-shaped mounting holes through eccentric adjusting screws. As a preferable technical scheme of the utility model, the tooth top trimming amount of the first driving wheel and the second driving wheel is mm. As a preferable technical scheme of the utility model, the diameter of the second driving wheel is larger than that of the first driving wheel, and the second driving wheel is perpendicular to the first driving wheel. As the preferable technical scheme of the utility model, the limiting block is in a rectangular structure, and the circle center of the rotating shaft of the first driving wheel is not coincident with the geometric center of the limiting block. As a preferable technical scheme of the utility model, the distances between the circle center of the rotating shaft of the first driving wheel and the four sides of the limiting block are different. As a preferable technical scheme of the utility model, the connecting lines at the two ends of the first connecting rod are parallel to the connecting lines at the two ends of the second connecting rod, and the connecting lines at the two ends of the first connecting rod are the same as the connecting lines at the two ends of the second connecting rod in length. The utility model provides a gear transmission limiting mechanism of an automobile seat, which has the following beneficial effects: The gear transmission limiting mechanism of the automobile seat has the advantag