CN224045070U

CN224045070U - Vibration reduction structure of vehicle seat

Info

Publication number: CN224045070U
Application number: CN202520910104.XU
Authority: CN
Inventors: 蔡军; 戴华杰
Original assignee: Wuxi Chisheng Vehicle Parts Co ltd
Current assignee: Wuxi Chisheng Vehicle Parts Co ltd
Priority date: 2025-05-09
Filing date: 2025-05-09
Publication date: 2026-03-27
Anticipated expiration: 2035-05-09

Abstract

The utility model relates to a vehicle seat vibration reduction structure which comprises a weight adjusting mechanism, a lower frame connected to a vehicle, a first shear bar arranged on the lower frame, a second shear bar arranged on the lower frame, an upper frame arranged above the lower frame and a vibration reduction tower spring, wherein the middle of the first shear bar is hinged with the middle of the second shear bar, one end of the second shear bar is hinged with the upper frame, a lower sliding groove is formed in the lower frame, the other end of the second shear bar is provided with a lower sliding block, the lower sliding block slides in the lower sliding groove, one end of the first shear bar is hinged on the lower frame, an upper sliding groove is formed in the upper frame, an upper sliding block is arranged on the first shear bar, and the upper sliding block slides along the upper sliding groove. The vehicle seat shock absorbing system solves the problems that the conventional vehicle seat shock absorbing system mostly adopts a common pressure spring as a main shock absorbing element, and can absorb shock caused by uneven road surfaces to a certain extent, but the shock absorbing effect is poor and the differentiated requirements of drivers with different weights on the shock absorbing effect cannot be met.

Description

Vibration reduction structure of vehicle seat

Technical Field

The utility model relates to the field of vehicle seats, in particular to a vehicle seat vibration reduction structure.

Background

In the prior art, with the development of the automobile industry, the comfort requirements of consumers on the vehicle seats are increasingly improved. Particularly, under complex road conditions, the vibration reduction performance of the vehicle seat directly influences the riding experience of a driver and passengers, and the conventional vehicle seat vibration reduction system mostly adopts a common pressure spring as a main vibration reduction element, and can absorb vibration caused by uneven road surfaces to a certain extent, but the problems that the vibration reduction effect is poor, the difference requirements of drivers with different weights on the vibration reduction effect cannot be met and the like often exist.

Disclosure of utility model

The vehicle seat vibration reduction structure solves the problems that the conventional vehicle seat vibration reduction system in the prior art mostly adopts a common pressure spring as a main vibration reduction element, and the vibration caused by uneven road surfaces can be absorbed to a certain extent, but the vibration reduction effect is poor and the differentiated requirements of drivers with different weights on the vibration reduction effect cannot be met.

The technical scheme adopted by the embodiment of the application is as follows.

A vehicle seat vibration reduction structure comprises a weight adjusting mechanism, a lower frame connected to a vehicle, a first shear bar arranged on the lower frame, a second shear bar arranged on the lower frame, an upper frame arranged above the lower frame and a vibration reduction tower spring, wherein the middle of the first shear bar is hinged with the middle of the second shear bar, one end of the second shear bar is hinged with the upper frame, a lower sliding groove is arranged on the lower frame, a lower sliding block is arranged at the other end of the second shear bar, the lower sliding block slides in the lower sliding groove, one end of the first shear bar is hinged on the lower frame, an upper sliding groove is arranged on the upper frame, an upper sliding block is arranged on the first shear bar, and the upper sliding block slides along the upper sliding groove.

The weight adjusting mechanism comprises an adjusting handle, a screw rod connected to the adjusting handle, a nut arranged on the screw rod and a wedge block arranged on the nut, wherein a pressing plate is arranged on the upper frame, the adjusting handle is rotated on the pressing plate, the wedge block is driven to move forwards and backwards when the adjusting handle rotates, and the nut slides along the pressing plate.

The technical scheme is further improved in that the tower spring is arranged on the lower frame, an upper support is arranged at the top of the tower spring, a pressing shaft is rotatably connected to the upper support, and the pressing shaft is in contact with the inclined plane of the wedge block.

As a further improvement of the technical scheme, a positioning column is arranged on the upper support, a limit ring is arranged on the lower frame, one end of the tower spring corresponds to the positioning column, and the other end of the tower spring corresponds to the limit ring.

As a further improvement of the technical scheme, the first scissor rod is hinged to the lower frame through a first hinge point, and the second scissor rod is hinged to the upper frame through a second hinge point.

One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:

1. The original common pressure spring is improved into the tower spring, and the tower spring has the characteristics of small volume, large load and variable rigidity, and is widely used in occasions with small space and large load and damping devices. In the same installation space, the tower-type spring with the same volume can bear larger pressure than the common compression spring, and correspondingly, more energy can be stored, so that the tower-type spring can bear larger pressure under the same deformation. For some installation positions with small installation space and large elastic force, the use of a common compression spring needs to increase the wire diameter, so that a series of problems such as cost, diameter rising and the like can be caused. If the number of turns is reduced, the spring may be permanently deformed under strong pressure, resulting in a drastic reduction in service life. Compared with the traditional cylindrical spring, the tower spring has a larger deformation range and higher bearing capacity. When compressed, each turn of the tower spring can effectively participate in work, thereby providing stronger supporting force and better buffering effect. The other improvement point lies in adjusting the crank slide block position in the scissors pole mechanism, arranging the slide block at the seat shock attenuation front end upper and lower position, will articulate the fixed point and arrange in seat shock attenuation rear portion upper and lower position, and the effect is when seat shock attenuation up-and-down motion, the condition of back-and-forth motion can not appear in seat upper portion for the lower part platform, has guaranteed that driver's front and back position is unchangeable, has stopped the leg space change problem that the little back-and-forth motion of preceding structure that probably exists leads to, has optimized the structure, has improved driver's comfort level.

Drawings

Fig. 1 is a schematic structural view of a vibration damping structure of a vehicle seat according to the present utility model.

Fig. 2 is a schematic structural view of a vibration damping structure of a vehicle seat according to the present utility model.

Fig. 3 is a schematic structural view of a vibration damping structure of a vehicle seat according to the present utility model.

Fig. 4 is a schematic structural view of a vibration damping structure of a vehicle seat according to the present utility model.

Fig. 5 is a schematic structural view of a vibration damping structure of a vehicle seat according to the present utility model.

1, A weight adjusting mechanism; 11, a screw rod, 12, a wedge block, 13, an adjusting handle, 14, a nut, 2, an upper frame, 21, an upper chute, 22, a pressing plate, 23, a pressing shaft, 24, an upper bracket, 25, a positioning column, 3, a first shear bar, 31, an upper sliding block, 32, a first hinge point, 4, a second shear bar, 41, a second hinge point, 42, a lower sliding block, 5, a lower frame, 51, a lower chute, 52, a limit ring and 6, a tower spring.

Detailed Description

In order to solve the problems, the technical scheme in the embodiment of the application has the following general ideas

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

A vehicle seat vibration damping structure comprises a weight adjusting mechanism 1, a lower frame 5 connected to a vehicle, a first shear bar 3 arranged on the lower frame 5, a second shear bar 4 arranged on the lower frame 5, an upper frame 2 arranged above the lower frame 5 and a damping tower spring 6, wherein the middle of the first shear bar 3 is hinged with the middle of the second shear bar 4, one end of the second shear bar 4 is hinged with the upper frame 2, a lower sliding groove 51 is arranged on the lower frame 5, a lower sliding block 42 is arranged at the other end of the second shear bar 4, the lower sliding block 42 slides in the lower sliding groove 51, one end of the first shear bar 3 is hinged on the lower frame 5, an upper sliding groove 21 is arranged on the upper frame 2, an upper sliding block 31 is arranged on the first shear bar 3, and the upper sliding block 31 slides along the upper sliding groove 21.

The weight adjusting mechanism 1 comprises an adjusting handle 13, a screw rod 11 connected to the adjusting handle 13, a nut 14 mounted on the screw rod 11 and a wedge block 12 arranged on the nut 14, wherein a pressing plate 22 is arranged on the upper frame 2, the adjusting handle 13 is rotated on the pressing plate 22, the wedge block 12 is driven to move forwards and backwards when the adjusting handle 13 is rotated, and the nut 14 slides along the pressing plate 22.

The lower frame 5 is provided with a tower spring 6, the top of the tower spring 6 is provided with an upper bracket 24, the upper bracket 24 is rotatably connected with a pressing shaft 23, and the pressing shaft 23 is contacted with the inclined plane of the wedge block 12.

The upper bracket 24 is provided with a positioning column 25, the lower frame 5 is provided with a limit ring 52, one end of the tower spring 6 corresponds to the positioning column 25, and the other end of the tower spring 6 corresponds to the limit ring 52.

The first scissor lever 3 is hinged to the lower frame 5 via a first hinge point 32 and the second scissor lever 4 is hinged to the upper frame 2 via a second hinge point 41.

Because the original common pressure spring is adopted and improved into the tower spring 6, the tower spring 6 has the characteristics of small volume, large load and variable rigidity, and is widely used for occasions with small space and large load and damping devices. In the same installation space, the tower-type spring with the same volume can bear larger pressure than the common compression spring, and correspondingly, more energy can be stored, so that the tower-type spring can bear larger pressure under the same deformation. For some installation positions with small installation space and large elastic force, the use of a common compression spring needs to increase the wire diameter, so that a series of problems such as cost, diameter rising and the like can be caused. If the number of turns is reduced, the spring may be permanently deformed under strong pressure, resulting in a drastic reduction in service life. Compared with the traditional cylindrical spring, the tower spring 6 has a larger deformation range and higher bearing capacity. Each turn of the springbar 6 can effectively participate in the work when compressed, thereby providing a stronger supporting force and a better cushioning effect. The other improvement point lies in adjusting the crank slide block position in the scissors pole mechanism, arranging the slide block at the seat shock attenuation front end upper and lower position, will articulate the fixed point and arrange in seat shock attenuation rear portion upper and lower position, and the effect is when seat shock attenuation up-and-down motion, the condition of back-and-forth motion can not appear in seat upper portion for the lower part platform, has guaranteed that driver's front and back position is unchangeable, has stopped the leg space change problem that the little back-and-forth motion of preceding structure that probably exists leads to, has optimized the structure, has improved driver's comfort level.

While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. A vehicle seat vibration reduction structure is characterized by comprising a weight adjusting mechanism (1), a lower frame (5) connected to a vehicle, a first shear bar (3) arranged on the lower frame (5), a second shear bar (4) arranged on the lower frame (5), an upper frame (2) arranged above the lower frame (5) and a damping tower spring (6), wherein the middle of the first shear bar (3) is hinged with the middle of the second shear bar (4), one end of the second shear bar (4) is hinged with the upper frame (2), a lower sliding groove (51) is formed in the lower frame (5), a lower sliding block (42) is arranged at the other end of the second shear bar (4), the lower sliding block (42) slides in the lower sliding groove (51), one end of the first shear bar (3) is hinged on the lower frame (5), an upper sliding groove (21) is formed in the upper frame (2), one end of the first shear bar (3) is hinged with the upper sliding groove (31) and the upper sliding block (31) slides along the upper sliding groove (21).

2. The vehicle seat vibration damping structure according to claim 1, characterized in that the weight adjusting mechanism (1) comprises an adjusting handle (13), a screw rod (11) connected to the adjusting handle (13), a nut (14) mounted on the screw rod (11) and a wedge block (12) arranged on the nut (14), a pressing plate (22) is arranged on the upper frame (2), the adjusting handle (13) rotates on the pressing plate (22), the wedge block (12) is driven to move forwards and backwards when the adjusting handle (13) rotates, and the nut (14) slides along the pressing plate (22).

3. The vehicle seat vibration damping structure according to claim 2, characterized in that the lower frame (5) is provided with the tower spring (6), the top of the tower spring (6) is provided with an upper bracket (24), a pressing shaft (23) is rotatably connected to the upper bracket (24), and the pressing shaft (23) is in contact with the inclined surface of the wedge block (12).

4. A vehicle seat vibration damping structure according to claim 3, characterized in that a positioning column (25) is provided on the upper bracket (24), a limit ring (52) is provided on the lower frame (5), one end of the tower spring (6) corresponds to the positioning column (25), and the other end of the tower spring (6) corresponds to the limit ring (52).

5. A vehicle seat vibration reducing structure according to claim 3, characterized in that the first scissor lever (3) is hinged to the lower frame (5) via a first hinge point (32), and the second scissor lever (4) is hinged to the upper frame (2) via a second hinge point (41).