CN220429936U - Seat basin adjusting mechanism of automobile seat - Google Patents
Seat basin adjusting mechanism of automobile seat Download PDFInfo
- Publication number
- CN220429936U CN220429936U CN202321680247.3U CN202321680247U CN220429936U CN 220429936 U CN220429936 U CN 220429936U CN 202321680247 U CN202321680247 U CN 202321680247U CN 220429936 U CN220429936 U CN 220429936U
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- side plate
- connecting rods
- screw rod
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- 238000000429 assembly Methods 0.000 claims description 5
- 230000033001 locomotion Effects 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- Seats For Vehicles (AREA)
Abstract
The utility model discloses a seat basin adjusting mechanism of an automobile seat, which comprises a seat cushion framework, a seat basin, a connecting rod assembly and a driving assembly, wherein the seat cushion framework comprises a left side plate, a right side plate and a fixing rod fixed between the left side plate and the right side plate; the connecting rod assembly comprises two first connecting rods, one ends of the two first connecting rods are respectively hinged to the left side and the right side of the seat basin, the other ends of the two first connecting rods are both hinged to second connecting rods, and the second connecting rods are hinged to the fixed rods; the driving assembly is used for driving the connecting rod assembly to rotate and comprises a screw rod hinged on the cushion framework, a screw rod motor is arranged on the screw rod, and the screw rod can move along the screw rod and drive a second connecting rod to rotate; the problem of current lead screw motor lifting mechanism structure is complicated, motion stability is poor, influences riding comfort is solved.
Description
Technical Field
The utility model belongs to the technical field of automobile seats, and particularly relates to a seat pan adjusting mechanism of an automobile seat.
Background
Along with the development of automobile industry, people are higher and higher to car seat each item function and travelling comfort requirement, in order to make car seat's height and angle can adapt to different crowds' riding demand, set up seat basin lifting mechanism in the front end of seat generally, the comparatively common lifting mechanism at present realizes seat basin gradient adjustment function through the lead screw motor, but current lead screw motor lifting mechanism's structure is complicated, the motion stability between each spare part is not high, influences passenger's riding comfort.
Disclosure of Invention
The utility model aims to provide a seat pan adjusting mechanism of an automobile seat, which aims to solve the problems that the existing screw motor lifting mechanism is complex in structure, poor in motion stability and affects riding comfort.
In order to solve the technical problems, the utility model provides the following technical scheme:
the seat basin adjusting mechanism of the automobile seat comprises a seat cushion framework, a seat basin, a connecting rod assembly and a driving assembly, wherein the seat cushion framework comprises a left side plate, a right side plate and a fixing rod fixed between the left side plate and the right side plate, and the seat basin is hinged on the seat cushion framework; the connecting rod assembly comprises two first connecting rods, one ends of the two first connecting rods are respectively hinged to the left side and the right side of the seat basin, the other ends of the two first connecting rods are both hinged to second connecting rods, and the second connecting rods are hinged to the fixed rods; the driving assembly is used for driving the connecting rod assembly to rotate, the driving assembly comprises a screw rod hinged to the cushion framework, a screw rod motor is arranged on the screw rod, and the screw rod can move along the screw rod and drive a second connecting rod to rotate.
Further, the cushion framework further comprises a mounting plate, the mounting plate is fixed on the left side plate or the right side plate of the cushion framework, the screw rod is hinged to the mounting plate, the connecting plate is fixed on the screw rod motor, and the connecting plate is fixed on a second connecting rod.
Further, the seat basin comprises a seat basin body and two supports fixed on the seat basin body, wherein the two supports are respectively hinged on the left side plate and the right side plate, and the two first connecting rods are respectively hinged on the two supports.
Further, the two driving assemblies are respectively arranged between the left side plate and the right side plate of the cushion framework and are respectively used for driving the two second connecting rods to rotate.
The technical principle of the utility model is as follows:
when the height and the inclination angle of the seat basin are adjusted upwards, a screw motor is started to rotate forwards, the screw motor moves upwards obliquely on a screw rod, the screw motor drives a second connecting rod to rotate upwards through a connecting plate, and a first connecting rod moves upwards along with the second connecting rod, so that the seat basin rotates upwards around a hinge point with a cushion framework until the seat basin is adjusted to a proper height and angle; when the basin is adjusted downwards, the screw motor is started to rotate reversely.
Compared with the prior art, the utility model has the following beneficial technical effects: compared with a cushion lifting mechanism in the prior art, the four-bar transmission structure is simpler and more mature in structure, stable in movement of each part and good in riding comfort of passengers, and the weight and the volume of a seat basin can be reduced by adopting the four-bar design, so that the light-weight design of an automobile seat is met; compared with a common seat basin lifting mechanism, the seat basin lifting mechanism has the advantages that the number of plastic parts, sheet metal parts and pipe fittings is reduced, two pipe fittings at the bottom of the common seat basin are combined into one pipe fitting, the die sinking cost and the assembly process are saved, the production benefit is high, and the seat basin lifting mechanism is beneficial to being put into actual production.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a side view of a partial structure of the present utility model;
fig. 3 is a schematic view of a partial structure of the present utility model.
Detailed Description
The following is a further detailed description of the embodiments:
reference numerals in the drawings of the specification include:
a left side plate 11, a right side plate 12, a fixing rod 13, and a mounting plate 14;
a bowl body 21, a bracket 22;
a first link 31, a second link 32;
a lead screw rod 41, a lead screw motor 42, and a connection plate 43;
hinge point A, hinge point B, hinge point C, and hinge point D.
Examples
A seat pan adjusting mechanism of an automobile seat comprises a seat cushion framework, a seat pan, a connecting rod assembly and a driving assembly.
As shown in fig. 1, the seat cushion frame includes a left side plate 11, a right side plate 12, a fixing rod 13, and a mounting plate 14, the fixing rod 13 being welded between the left side plate 11 and the right side plate 12, the mounting plate 14 being fixed to the left side plate 11 or the right side plate 12 by bolts.
As shown in fig. 1 and 2, the bowl includes a bowl body 21 and two brackets 22, one ends of the two brackets 22 are fixed on the left side and the right side of the bottom of the bowl body 21 by bolts, the other ends of the two brackets 22 are respectively hinged on the left side plate 11 and the right side plate 12, the hinge point is a, and the two brackets 22 can rotate upwards around the point a to realize the height and inclination adjustment of the bowl.
As shown in fig. 2 and 3, the connecting rod assembly comprises two first connecting rods 31 and two second connecting rods 32, one ends of the two first connecting rods 31 are respectively hinged on the two brackets 22 of the seat basin, and the hinge point is B; the other ends of the two first connecting rods 31 are respectively hinged with the ends of the two second connecting rods 32, the hinge point is C, and the free ends of the two second connecting rods 32 are rotatably arranged on the fixed rod 13; the two second connecting rods 32 rotate clockwise and upwards around the fixed rod 13, the second connecting rods 32 drive the first connecting rods 31 to move upwards, the first connecting rods 31 push the support 22 to rotate upwards around the point A, the whole basin body 21 is lifted and inclined upwards, and the height and inclination of the basin are adjusted.
As shown in fig. 2 and 3, the driving assembly is used for driving the connecting rod assembly to rotate, the driving assembly comprises a screw 41 and a screw motor 42, one end of the screw 41 is hinged on the mounting plate 14 through a pin shaft, the hinge point is D, the screw motor 42 is mounted on the screw 41, the screw motor 42 can reciprocate along the screw 41, a connecting plate 43 is fixed on the screw motor 42 through a bolt, and the connecting plate 43 is welded on the second connecting rod 32; when the height and the inclination of the seat basin need to be adjusted, a screw motor 42 is started to rotate positively, the screw motor 42 moves upwards along the axis direction of the screw 41, and the screw motor 42 drives the second connecting rod 32 to rotate clockwise and upwards through the connecting plate 43, so that the first connecting rod 31 pushes the support 22 upwards, the front end of the seat basin is lifted, and the inclination of the seat basin is increased; when the basin needs to be leveled, the screw motor 42 is started to rotate reversely, the screw motor 42 moves downwards along the axis direction of the screw 41, and the first connecting rod 31 and the second connecting rod 32 are driven to rotate and then reset, so that the inclination of the basin is reduced, and the initial height is restored.
It should be noted that, in this embodiment, one or two driving assemblies may be provided, and when one driving assembly is provided, the driving assembly may be mounted on the left side plate 11 or the right side plate 12 of the seat cushion frame, and the driving assembly in this embodiment is mounted on the left side plate 11 through the mounting plate 14; when the driving components are arranged in two, the mounting plates 14 are fixed on the left side plate 11 and the right side plate 12 of the cushion framework, the two driving components are respectively connected with the two mounting plates 14 and the two second connecting rods 32, and the two driving components are respectively used for driving the two second connecting rods 32 to rotate.
According to the seat basin, the height and inclination adjusting function is realized through the four-bar linkage structure formed by the support 22, the first connecting bar 31, the second connecting bar 32 and the screw 41, the number of parts is small, the design structure is simple, the operation among all parts is stable when the seat basin is adjusted, the riding comfort of passengers is good, the weight and the volume of the seat basin are effectively reduced due to the design of the four-bar linkage, and the light design of the automobile seat is met; compared with the common seat basin lifting mechanism on the market, the number of plastic parts, sheet metal parts and pipe fittings is reduced, two pipe fittings at the bottom of the common seat basin are combined into one pipe fitting, the die sinking cost and the assembly process are effectively saved, and the die sinking mechanism has the advantages of low production cost, high efficiency and good benefit.
Claims (4)
1. A seat pan adjustment mechanism of car seat, its characterized in that: the seat cushion comprises a seat cushion framework, a seat basin, a connecting rod assembly and a driving assembly, wherein the seat cushion framework comprises a left side plate, a right side plate and a fixed rod fixed between the left side plate and the right side plate; the connecting rod assembly comprises two first connecting rods, one ends of the two first connecting rods are respectively hinged to the left side and the right side of the seat basin, the other ends of the two first connecting rods are both hinged to second connecting rods, and the second connecting rods are hinged to the fixed rods; the driving assembly is used for driving the connecting rod assembly to rotate, the driving assembly comprises a screw rod hinged to the cushion framework, a screw rod motor is arranged on the screw rod, and the screw rod can move along the screw rod and drive a second connecting rod to rotate.
2. A seat pan adjustment mechanism for an automotive seat as set forth in claim 1 wherein: the cushion skeleton still includes the mounting panel, and the mounting panel is fixed on the left side board or the right side board of cushion skeleton, and the screw rod articulates on the mounting panel, is fixed with the connecting plate on the lead screw motor, and the connecting plate is fixed on a second connecting rod.
3. The seat pan adjusting mechanism of an automobile seat according to claim 1, wherein the seat pan comprises a seat pan body and two brackets fixed on the seat pan body, the two brackets are respectively hinged on a left side plate and a right side plate, and the two first connecting rods are respectively hinged on the two brackets.
4. The seat pan adjusting mechanism of an automobile seat according to claim 2, wherein the number of the driving assemblies is two, the two driving assemblies are respectively arranged between the left side plate and the right side plate of the seat cushion framework, and the two driving assemblies are respectively used for driving the two second connecting rods to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321680247.3U CN220429936U (en) | 2023-06-29 | 2023-06-29 | Seat basin adjusting mechanism of automobile seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321680247.3U CN220429936U (en) | 2023-06-29 | 2023-06-29 | Seat basin adjusting mechanism of automobile seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220429936U true CN220429936U (en) | 2024-02-02 |
Family
ID=89686679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321680247.3U Active CN220429936U (en) | 2023-06-29 | 2023-06-29 | Seat basin adjusting mechanism of automobile seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220429936U (en) |
-
2023
- 2023-06-29 CN CN202321680247.3U patent/CN220429936U/en active Active
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