CN209795257U - lifting adjustable automobile seat - Google Patents
lifting adjustable automobile seat Download PDFInfo
- Publication number
- CN209795257U CN209795257U CN201920081509.1U CN201920081509U CN209795257U CN 209795257 U CN209795257 U CN 209795257U CN 201920081509 U CN201920081509 U CN 201920081509U CN 209795257 U CN209795257 U CN 209795257U
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- shaft sleeve
- fixed frame
- screw
- bottom plate
- bevel gear
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Abstract
The utility model discloses a lifting adjustable automobile seat, which comprises a seat body, a cushion bottom plate, guide rods, lead screws, a fixed frame, a screw shaft sleeve, a large bevel gear and an input shaft, wherein the seat body is tightly connected with the cushion bottom plate, the guide rods are tightly connected with two sides of the bottom of the cushion bottom plate, the lead screws are tightly connected with the middle of the bottom of the cushion bottom plate, the fixed frame is arranged right below the cushion bottom plate, an upper shaft sleeve is arranged in the middle of the upper end of the fixed frame, a lower shaft sleeve is arranged in the middle of the lower end of the fixed frame, guide sleeves are symmetrically arranged on two sides of the upper end of the fixed frame, the guide rods penetrate through the guide sleeves, the upper end of the screw shaft sleeve is rotationally connected with the upper shaft sleeve through bearings, the lower end of the screw shaft sleeve is rotationally connected with the lower shaft sleeve through bearings, the large bevel gear is rotationally connected with the lower end of the screw shaft sleeve coaxially, the, the fine adjustment of the automobile seat in the vertical direction is realized, and the requirements of different drivers can be met.
Description
Technical Field
The utility model belongs to the technical field of car seat, specifically speaking, the utility model relates to an adjustable type car seat goes up and down.
background
the height of the existing automobile seat is determined according to the visual field man-machine principle that a person sits in a cab, but due to the height difference of each person and the length difference of legs, the height of the seat inevitably affects the visual field or sitting posture of a driver and driving comfort, so that the automobile seat is required to be adjustable in the front and back positions and fine adjustment of the height is required to be realized in order to meet the requirements of drivers with different heights and different leg lengths; however, the existing height-adjustable mechanism enables the seat to be adjusted up and down in a large range and has poor precision.
SUMMERY OF THE UTILITY MODEL
The utility model provides a type car seat that goes up and down can have realized car seat at the ascending fine setting of vertical side, can adapt to different drivers' demand.
In order to realize the purpose, the utility model discloses the technical scheme who takes does: a lifting adjustable automobile seat comprises a seat body, a cushion bottom plate, guide rods, a lead screw, a fixed frame, a screw shaft sleeve, a large bevel gear and an input shaft, wherein the seat body is fixedly connected with the cushion bottom plate, the guide rods are fixedly connected with two sides of the bottom of the cushion bottom plate, the lead screw is fixedly connected with the middle of the bottom of the cushion bottom plate, the fixed frame is arranged under the cushion bottom plate, an upper shaft sleeve is arranged in the middle of the upper end of the fixed frame, a lower shaft sleeve is arranged in the middle of the lower end of the fixed frame, guide sleeves are symmetrically arranged on two sides of the upper end of the fixed frame, the guide rods penetrate through the guide sleeves, the upper end of the screw shaft sleeve is rotatably connected with the upper shaft sleeve through a bearing, the lower end of the screw shaft sleeve is rotatably connected with the lower shaft sleeve through a bearing, the large bevel gear is coaxially rotatably connected with the lower, the input shaft is rotatably connected with the side face of the fixed frame, a small bevel gear is arranged at the end part of the input shaft, and the small bevel gear is meshed with the large bevel gear.
Preferably, the nut shaft sleeve is a hollow shaft.
Preferably, the screw sleeve is internally provided with internal threads, and the screw rod is connected with the screw sleeve through a screw pair.
The beneficial effect of adopting above technical scheme is: according to the lifting adjustable type automobile seat, when the height of a driver is too high, the height of the automobile seat needs to be slightly adjusted downwards, at the moment, an input shaft rotates forwards, then a small bevel gear rotates forwards, then the small bevel gear drives a large bevel gear to drive a nut shaft sleeve to rotate clockwise in a fixed frame, as the nut shaft sleeve is connected with a screw rod through a screw pair, internal threads are arranged in the nut shaft sleeve, and the screw rod is connected with the nut shaft sleeve through the screw pair, the screw rod moves downwards, a cushion bottom plate is driven to move downwards together, and the height of the automobile seat is slightly adjusted downwards; when the height of a driver is too low, in order to reduce driving blind areas as much as possible, the height of the automobile seat needs to be slightly adjusted upwards, the input shaft rotates reversely at the moment, then the small bevel gear drives the large bevel gear to drive the nut shaft sleeve to rotate anticlockwise in the fixed frame, so that the screw rod moves upwards, the cushion bottom plate is driven to move upwards together, and the height of the automobile seat is slightly adjusted upwards; through be equipped with the internal thread in the screw axle sleeve, and the lead screw passes through screw pair with the screw axle sleeve and is connected, realizes the fine setting of seat upper and lower direction, and the elevating system that does not realize like traditional rack and pinion or link mechanism adjustment range is big.
The guide sleeves are symmetrically arranged on two sides of the upper end of the fixed frame, the guide rods penetrate through the guide sleeves, the rotation freedom degree of the cushion bottom plate is limited, and the lead screw is prevented from rotating synchronously along with the cushion bottom plate.
Drawings
Fig. 1 is a schematic view of the overall scheme of the present invention;
FIG. 2 is a schematic view of the structure of the nut bushing of the present invention;
Wherein:
1. A seat body; 2. a cushion bottom plate; 3. a guide bar; 4. a screw rod; 5. a fixed frame; 6. a nut shaft sleeve; 7. a large bevel gear; 8. an input shaft; 50. an upper shaft sleeve; 51. a lower shaft sleeve; 52. a guide sleeve; 80. a bevel pinion.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings, for the purpose of helping those skilled in the art to understand more completely, accurately and deeply the conception and technical solution of the present invention, and to facilitate its implementation.
as shown in fig. 1 to 2, the utility model relates to a lift adjustable car seat has realized car seat at ascending fine setting of vertical side, can adapt to different drivers' demand.
Specifically, as shown in fig. 1 to 2, the seat comprises a seat body 1, a cushion bottom plate 2, guide rods 3, a screw rod 4, a fixed frame 5, a nut shaft sleeve 6, a large bevel gear 7 and an input shaft 8, wherein the seat body 1 is tightly connected with the cushion bottom plate 2, the guide rods 3 are tightly connected with two sides of the bottom of the cushion bottom plate 2, the screw rod 4 is tightly connected with the middle of the bottom of the cushion bottom plate 2, the fixed frame 5 is arranged right below the cushion bottom plate 2, an upper shaft sleeve 50 is arranged in the middle of the upper end of the fixed frame 5, a lower shaft sleeve 51 is arranged in the middle of the lower end of the fixed frame 5, guide sleeves 52 are symmetrically arranged on two sides of the upper end of the fixed frame 5, the guide rods 3 penetrate through the guide sleeves 52, the upper end of the nut shaft sleeve 6 is rotatably connected with the upper shaft sleeve 50 through a bearing, the lower end of the nut shaft sleeve 6 is rotatably connected with the lower shaft, the screw shaft sleeve 6 is connected with the screw rod 4 through a screw pair, the input shaft 8 is rotatably connected with the side face of the fixed frame 5, a small bevel gear 80 is arranged at the end part of the input shaft 8, and the small bevel gear 80 is meshed with the large bevel gear 7.
As shown in fig. 2, the nut bushing 6 is a hollow shaft.
As shown in fig. 1 and 2, the nut bushing 6 is internally provided with internal threads, and the lead screw 4 is connected with the nut bushing 6 through a screw pair.
The following specific working modes are illustrated by specific examples:
Example 1:
according to the lifting adjustable type automobile seat, when the height of a driver is too high, the height of the automobile seat needs to be slightly adjusted downwards, at the moment, an input shaft 8 rotates forwards, then a small bevel gear 80 rotates forwards, then the small bevel gear 80 drives a large bevel gear 7 to drive a nut shaft sleeve 6 to rotate clockwise in a fixed frame 5, as the nut shaft sleeve 6 is connected with a screw rod 4 through a screw pair, internal threads are arranged in the nut shaft sleeve 6, and the screw rod 4 is connected with the nut shaft sleeve 6 through the screw pair, the screw rod 4 moves downwards, a cushion bottom plate 2 is driven to move downwards together, and the height of the automobile seat is slightly adjusted downwards; when the height of a driver is too low, in order to reduce a driving blind area as much as possible, the height of the automobile seat needs to be slightly adjusted upwards, at the moment, the input shaft 8 rotates reversely, then the small bevel gear 80 drives the large bevel gear 7 to drive the nut shaft sleeve 6 to rotate anticlockwise in the fixed frame 5, so that the screw rod 4 moves upwards, the cushion bottom plate 2 moves upwards together with the screw rod, and the height of the automobile seat is slightly adjusted upwards; through be equipped with the internal thread in the screw axle sleeve 6, and lead screw 4 passes through screw pair with screw axle sleeve 6 and is connected, realizes the fine setting of seat upper and lower direction, and the elevating system that does not realize like traditional rack and pinion or link mechanism adjusts the range greatly.
The guide sleeves 52 are symmetrically arranged on two sides of the upper end of the fixed frame 5, the guide rods 3 penetrate through the guide sleeves 52, the rotation freedom degree of the cushion bottom plate 2 is limited, and the synchronous rotation of the screw rod 4 along with the cushion bottom plate 2 is avoided.
The present invention has been described in detail with reference to the accompanying drawings, and it is to be understood that the invention is not limited to the specific embodiments, but is intended to cover various insubstantial modifications, including those made by the method and technical solutions of the present invention; or without improvement, the above conception and technical solution of the present invention can be directly applied to other occasions, all within the protection scope of the present invention.
Claims (3)
1. The utility model provides a lift adjustable type car seat which characterized in that: comprises a seat body (1), a cushion bottom plate (2), guide rods (3), a lead screw (4), a fixed frame (5), a screw shaft sleeve (6), a large bevel gear (7) and an input shaft (8), wherein the seat body (1) is tightly connected with the cushion bottom plate (2), the guide rods (3) are tightly connected with two sides of the bottom of the cushion bottom plate (2), the lead screw (4) is tightly connected with the middle of the bottom of the cushion bottom plate (2), the fixed frame (5) is arranged under the cushion bottom plate (2), an upper shaft sleeve (50) is arranged in the middle of the upper end of the fixed frame (5), a lower shaft sleeve (51) is arranged in the middle of the lower end of the fixed frame (5), the guide sleeves (52) are symmetrically arranged on two sides of the upper end of the fixed frame (5), the guide rods (3) penetrate through the guide sleeves (52), the upper end of the screw shaft sleeve (6) is rotationally connected with the upper, the screw shaft sleeve (6) lower end is rotatably connected with the lower shaft sleeve (51) through a bearing, the large bevel gear (7) is rotatably connected with the lower end of the screw shaft sleeve (6) in a coaxial mode, the screw shaft sleeve (6) is connected with the screw rod (4) through a spiral pair, the input shaft (8) is rotatably connected with the side face of the fixed frame (5), the small bevel gear (80) is arranged at the end portion of the input shaft (8), and the small bevel gear (80) is meshed with the large bevel gear (7).
2. The lift-adjustable car seat according to claim 1, wherein: the nut shaft sleeve (6) is a hollow shaft.
3. The lift-adjustable car seat according to claim 1, wherein: the screw rod is characterized in that internal threads are arranged in the screw nut shaft sleeve (6), and the screw rod (4) is connected with the screw nut shaft sleeve (6) through a screw pair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920081509.1U CN209795257U (en) | 2019-01-17 | 2019-01-17 | lifting adjustable automobile seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920081509.1U CN209795257U (en) | 2019-01-17 | 2019-01-17 | lifting adjustable automobile seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209795257U true CN209795257U (en) | 2019-12-17 |
Family
ID=68820345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920081509.1U Active CN209795257U (en) | 2019-01-17 | 2019-01-17 | lifting adjustable automobile seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209795257U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111775787A (en) * | 2020-08-04 | 2020-10-16 | 徐工集团工程机械股份有限公司道路机械分公司 | Adjustable seat mechanism |
-
2019
- 2019-01-17 CN CN201920081509.1U patent/CN209795257U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111775787A (en) * | 2020-08-04 | 2020-10-16 | 徐工集团工程机械股份有限公司道路机械分公司 | Adjustable seat mechanism |
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