CN216268841U - Automobile seat vibration damping system - Google Patents

Abstract

The utility model discloses a vibration damping system of an automobile seat, which comprises a bearing frame, a backrest, a flexible cushion and an elastic air bag, wherein the interior of the elastic air bag is filled with air; the backrest is connected with the bearing frame; the flexible cushion is arranged above the bearing surface and is connected with the backrest; the elastic air bag is arranged between the flexible cushion and the bearing surface, at least two first bulges are formed corresponding to the first fixing grooves, and the first bulges extend into the two first fixing grooves. The utility model can effectively reduce vibration transmitted to the seat.

Description

A car seat vibration reduction system

technical field

The utility model relates to the technical field of automobile seats, in particular to an automobile seat vibration reduction system.

Background technique

The car seat is generally slidably connected to the chassis, and a spring for damping vibration is arranged between the car seats.

Announcement No. CN207631033U discloses an automobile semi-active seat vibration reduction system based on magnetorheological dampers, including scissor brackets, magnetorheological dampers, air springs, position sensors, seat level switches and controllers; scissors The bracket is formed by the cross combination of two metal beams and is installed on both sides of the seat; the magnetorheological damper and the air spring are installed vertically on the seat and the bottom plate respectively.

The seat is damped by magnetorheological dampers and air springs, but when the vibration is transmitted to the seat body, the carrier and cushion in the seat body transmit the vibration to the human body in turn, and the vibration transmitted to the seat body cannot be Effective attenuation is performed, and no further vibration reduction is possible.

Utility model content

In view of this, it is necessary to provide a vibration damping system for an automobile seat to solve the technical problem in the prior art that the vibration transmitted to the seat body cannot be further damped.

In order to achieve the above-mentioned technical purpose, the technical solution of the present utility model provides an automobile seat vibration reduction system, including:

a bearing frame, the bearing frame has a bearing surface for supporting the human body, and the bearing surface of the bearing frame is provided with at least two first fixing grooves arranged at intervals;

a backrest, the backrest is connected to the carrier;

a flexible seat cushion, the flexible seat cushion is arranged above the bearing surface and connected to the backrest;

An elastic air bag filled with gas inside, the elastic air bag is arranged between the flexible seat cushion and the bearing surface, and at least two first protrusions are formed relative to the first fixing groove, and the first protrusions extend into the two first fixing grooves.

In one embodiment, a plurality of second protrusions are formed on one side of the elastic airbag close to the flexible seat cushion.

In one embodiment, the second protrusions are arranged in an array.

In one embodiment, the vehicle seat vibration damping system further includes at least one elastic cord, both ends of the elastic cord are connected to the carrier frame and pass through the gap between the second protrusions.

In one embodiment, the number of the elastic cords is multiple, and the multiple elastic cords are distributed in a grid shape.

In one embodiment, the carrier frame defines a plurality of first fixing grooves, and the plurality of first fixing grooves are arranged in an array.

In one embodiment, the flexible seat cushion defines a plurality of second fixing grooves relative to the second protrusion, and the flexible seat cushion is fitted and sleeved on the second protrusion through the second fixing grooves.

In one embodiment, the elastic airbag is provided with an air intake hole, and the air intake hole is communicated with the air bag of the automobile.

In one of the embodiments, the vehicle seat vibration damping system further includes a flexible pipe connecting the air intake hole and the vehicle air bag.

In one embodiment, a one-way valve is installed on the flexible pipe, and the one-way valve is used to control the one-way conduction of the automobile air bag to the elastic air bag.

Compared with the prior art, the beneficial effects of the present invention include: by arranging an elastic airbag between the flexible seat cushion and the carrier, when the vehicle vibrates, the vibration is transmitted to the seat, and in the seat, the vibration is transmitted through the carrier For the elastic airbag and the flexible seat cushion, the possible vibration is absorbed by the deformation of the elastic airbag, so as to avoid the vibration being directly transmitted to the human body through the carrier of the car seat, so as to avoid the vibration of the human body when the car vibrates, which can reduce vibration and absorb energy. further vibration reduction of the seat is achieved; by arranging the first fixing groove and the first protrusion matched with the first fixing groove, the elastic airbag can be prevented from moving relative to the carrier frame during the expansion or contraction of the elastic airbag.

Description of drawings

1 is a three-dimensional schematic diagram of the vehicle seat vibration reduction system of the present invention;

2 is a three-dimensional schematic diagram of a carrier and a flexible seat cushion in the vehicle seat vibration reduction system according to the present invention;

3 is a three-dimensional schematic diagram of a carrier, a flexible seat cushion, a flexible pipe, a one-way valve and a stop valve in the vehicle seat vibration reduction system according to the present invention;

Fig. 4 is the separation schematic diagram of the hidden backrest of the automobile seat vibration damping system according to the present invention;

FIG. 5 is a schematic view of separation from another perspective behind the hidden backrest of the vehicle seat vibration reduction system according to the present invention.

Reference number:

carrier 1;

the first fixing groove 1a;

backrest 2;

flexible seat cushion 3;

The second fixing groove 3a

elastic airbag 4;

the first protrusion 5;

the second protrusion 6;

elastic cord 7;

flexible pipe 8;

one-way valve 9;

Stop valve 10.

Detailed ways

The preferred embodiments of the present utility model will be specifically described below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present application, and together with the embodiments of the present utility model, are used to explain the principles of the present utility model, and are not intended to limit the present utility model. scope.

As shown in Figures 1 to 5, the present invention provides a vibration damping system for an automobile seat, which includes a carrier frame 1, a backrest 2, a flexible seat cushion 3 and an elastic airbag 4 filled with gas inside. The bearing surface of the carrier frame 1 is provided with at least two first fixing grooves 1a arranged at intervals; the backrest 2 is connected to the carrier frame 1; the flexible seat cushion 3 is arranged above the bearing surface and connected to the backrest 2; the elastic airbag 4 At least two first protrusions 5 are formed between the flexible seat cushion 3 and the bearing surface and opposite to the first fixing grooves 1a, and the first protrusions 5 extend into the two first fixing grooves 1a.

By arranging the elastic airbag 4 between the flexible seat cushion 3 and the carrier frame 1, when the vehicle vibrates, the vibration is transmitted to the elastic airbag 4 and the flexible seat cushion 3 through the carrier frame 1, and the possible vibration is absorbed by the deformation of the elastic airbag 4, Avoid the vibration directly transmitted to the human body through the carrier 1 of the car seat, avoid the vibration of the car, the human body will follow the vibration, and play the role of vibration reduction and energy absorption; by setting the first fixing groove 1a and matching with the first fixing groove 1a The first protrusion 5 can prevent the elastic airbag 4 from moving relative to the carrier frame 1 during the process of expanding or contracting.

Wherein, the bearing surface is the top surface of the bearing frame 1 .

It can be understood that the carrier frame 1 is a support frame at the bottom of the seat, and a spring damping, gas spring damping, etc. may be provided below the supporting frame, which does not interfere with the present application.

In one of the embodiments, the carrier 1 defines a plurality of first fixing grooves 1a, and the plurality of first fixing grooves 1a are arranged in an array. By arranging a plurality of first fixing grooves 1 a , the fixing points of the elastic airbag 4 relative to the carrier frame 1 can be increased, and the movement of the elastic airbag 4 relative to the carrier frame 1 can be prevented.

It can be understood that the material of the elastic airbag 4 can be rubber, latex or the like.

In one embodiment, a plurality of second protrusions 6 are formed on one side of the elastic airbag 4 close to the flexible seat cushion 3 . By arranging a plurality of second protrusions 6, the plurality of second protrusions 6 are in multi-point contact with the flexible seat cushion 3, and a person sitting on the flexible seat cushion 3 will cause the flexible seat cushion 3 to deform on the second protrusions 6, making the flexible seat cushion 3 deformed. The seat cushion 3 is further attached to the second protrusion 6 to prevent the flexible seat cushion 3 from sliding relative to the elastic airbag 4 .

In one of the embodiments, the second protrusions 6 are arranged in an array. The relatively uniform distribution of the second protrusions 6 can avoid the existence of a single protrusion under the seat cushion.

In one of the embodiments, the vehicle seat vibration damping system further includes at least one elastic cord 7 , both ends of which are connected to the carrier frame 1 and pass through the gap between the second protrusions 6 . By arranging the elastic cords 7, when the elastic airbag 4 is deformed, the elastic cords 7 are further deformed with the elastic airbag 4, so that the elastic cords 7 are always stuck between the second protrusions 6, and the second protrusions 6 can be restricted relative to the carrier frame 1. move to prevent the elastic airbag 4 from moving relative to the carrier frame 1 .

In one of the embodiments, the number of elastic cords 7 is multiple, and the multiple elastic cords 7 are distributed in a grid shape. By arranging a plurality of elastic ropes 7 distributed in a grid shape, both the lateral and longitudinal directions of the second protrusions 6 can be restricted, the lateral or longitudinal movement of the second protrusions 6 can be avoided, and the movement of the second protrusions 6 can be avoided. elastic deformation.

It can be understood that the elastic airbag 4 can be a closed airbag body filled with a certain pressure of gas; the elastic airbag 4 can also be communicated with an external air source to facilitate the inflation of the elastic airbag 4 .

In one of the embodiments, the elastic airbag 4 is provided with an air intake hole, and the air intake hole is communicated with the air bag of the automobile. By connecting the elastic air bag 4 with the automobile air bag, the elastic air bag 4 can be inflated through the automobile air bag, and the deflated elastic air bag 4 can be supplemented with gas.

In one of the embodiments, the vehicle seat vibration damping system further includes a flexible pipe 8 connecting the air inlet and the vehicle air bag (an existing device, not shown in the figure). The elastic air bag 4 and the automobile air bag are connected through the flexible pipe 8, and the elastic air bag 4 is supplemented with gas through the automobile air bag.

It can be understood that the flexible pipe 8 penetrates through the bottom of the carrier 1 and protrudes from the bottom of the carrier 1 .

In one of the embodiments, a one-way valve 9 is installed on the flexible pipe 8 , and the one-way valve 9 is used to control the one-way conduction from the air bag of the automobile to the elastic air bag 4 . By arranging the one-way valve 9 , the gas in the elastic airbag 4 can be prevented from being discharged to the outside through the flexible pipe 8 .

In one of the embodiments, a shut-off valve 10 is also installed on the flexible pipe 8 . The shut-off valve 10 is installed to control the on-off of the flexible pipe 8 , and when the gas charged into the flexible air bag reaches a certain amount, the flexible pipe 8 is cut off through the shut-off valve 10 .

It can be understood that the shut-off valve 10 may be a manual valve or a solenoid valve. It is also possible to install deflation pipes and on-off valves for flexible airbags.

It can be understood that the flexible seat cushion 3 may be a fabric filled with sponge or leather filled with foam.

In one embodiment, the flexible seat cushion 3 defines a plurality of second fixing grooves 3 a relative to the second protrusion 6 , and the flexible seat cushion 3 is fitted on the second protrusion 6 through the second fixing grooves 3 a.

The flexible seat cushion 3 can adapt to the change of the elastic airbag 4 .

The specific working process of the present utility model: when the human body sits on the flexible seat cushion 3, the flexible seat cushion 3 transmits the pressure to the flexible air bag, so that the flexible air bag is deformed accordingly, and the softness of the seat can be improved by supporting the human body through the flexible air bag, More comfortable; when the vehicle passes through the bumpy road, the deformation of the elastic airbag 4 can buffer the vibration and absorb energy, avoid the vibration directly transmitted to the human body through the seat, and filter the vibration; by setting the first protrusion 5, the second The protrusions 6, the first fixing grooves 1a, the elastic ropes 7, and the grid-like protrusions can limit the movement of the elastic airbag 4 relative to the carrier plate and the flexible seat cushion 3, and prevent the elastic airbag 4 from moving between the flexible seat cushion 3 and the carrier plate.

The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. The changes or replacements should be covered within the protection scope of the present invention.

Claims (10)

1. A vehicle seat cushioning system, comprising:

the human body supporting device comprises a bearing frame, a fixing frame and a fixing device, wherein the bearing frame is provided with a bearing surface for supporting a human body, and the bearing surface of the bearing frame is inwards provided with at least two first fixing grooves which are arranged at intervals;

a backrest coupled to the carrier;

the flexible cushion is arranged above the bearing surface and is connected with the backrest;

the elastic air bag is filled with air and arranged between the flexible cushion and the bearing surface, at least two first bulges are formed in the elastic air bag relative to the first fixing groove, and the first bulges extend into the two first fixing grooves.

2. The vehicle seat cushioning system of claim 1, wherein a side of said resilient bladder adjacent said flexible seat cushion is formed with a plurality of second protrusions.

3. The vehicle seat cushioning system of claim 2, wherein said second protrusions are arranged in an array.

4. The car seat cushioning system of claim 3, further comprising at least one elastic cord having both ends connected to the carrier and passing through the gap between the second protrusions.

5. The car seat vibration damping system according to claim 4, wherein the number of the elastic cords is plural, and the plural elastic cords are distributed in a grid shape.

6. The system of claim 1, wherein the carrier defines a plurality of first retaining slots, and wherein the plurality of first retaining slots are arranged in an array.

7. The vibration damping system for an automobile seat according to claim 3, wherein the flexible cushion has a plurality of second fixing grooves formed thereon opposite to the second protrusions, and the flexible cushion is fitted over the second protrusions through the second fixing grooves.

8. The automobile seat vibration damping system according to claim 1, wherein the elastic airbag is provided with an air inlet hole, and the air inlet hole is communicated with the automobile air bag.

9. The vehicle seat cushioning system of claim 8, further comprising a flexible conduit communicating the air inlet aperture with a vehicle air bag.

10. The vehicle seat cushioning system of claim 9, wherein a one-way valve is mounted on said flexible conduit for controlling one-way communication of said vehicle air bag to said elastomeric air bag.

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