CN215752039U

CN215752039U - Automobile seat lower frame

Info

Publication number: CN215752039U
Application number: CN202121481870.7U
Authority: CN
Inventors: 董博; 吴守维
Original assignee: Nanjing Anchi Auto Parts Co ltd
Current assignee: Nanjing Anchi Auto Parts Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-02-08
Anticipated expiration: 2031-06-30

Abstract

The utility model discloses an automobile seat lower frame which comprises a first cross beam and a second cross beam, wherein two ends of the first cross beam and two ends of the second cross beam are respectively provided with an outer frame support, two ends of the outer frame support are respectively provided with a first mounting hole penetrating through the first cross beam and a second mounting hole penetrating through the second cross beam, the bottom parts of two sides of the outer frame support are respectively connected with a first shock absorber, each first shock absorber comprises a metal corrugated pipe, a built-in spring, an upper flange and a lower flange, the built-in spring is arranged in the metal corrugated pipe, the tops of the metal corrugated pipe and the built-in spring are welded on the upper flange, the bottoms of the metal corrugated pipe and the built-in spring are welded on the lower flange, and the upper flange is fixed on the outer frame support. The lower frame of the automobile seat has a strong cushioning effect, and the comfort performance of the seat is improved.

Description

Automobile seat lower frame

Technical Field

The utility model relates to the field of automobile spare and accessory parts, in particular to a lower frame of an automobile seat.

Background

The automobile seat lower frame is a seat support arranged on an automobile chassis, the seat lower frame on the market is generally of a fixed structure, the requirement on the comfort of the automobile seat is higher and higher along with the improvement of the living standard of people, although an automobile has certain damping capacity, the automobile still jolts when meeting a larger road pit, and the riding comfort is poor.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims to solve the technical problem of the prior art and provides a lower frame of an automobile seat.

In order to solve the technical problem, the utility model discloses an automobile seat lower frame which comprises a first cross beam and a second cross beam, wherein two ends of the first cross beam and the second cross beam are respectively provided with an outer frame support, two ends of the outer frame support are respectively provided with a first mounting hole penetrating through the first cross beam and a second mounting hole penetrating through the second cross beam, the bottom parts of two sides of the outer frame support are respectively connected with a first damper, each first damper comprises a metal corrugated pipe, a built-in spring, an upper flange and a lower flange, the built-in spring is arranged in the metal corrugated pipe, the tops of the metal corrugated pipe and the built-in spring are welded on the upper flange, the bottoms of the metal corrugated pipe and the built-in spring are welded on the lower flange, and the upper flange is fixed on the outer frame support.

In the utility model, the metal corrugated pipe is a double-layer metal corrugated pipe.

In the utility model, the cross beam is a square tube.

In the utility model, more than one first fixing bracket is arranged in the middle of the cross beam, and a second shock absorber is arranged at the bottom of each fixing bracket.

According to the utility model, a group of second fixing supports are arranged on the first cross beam, a group of third fixing supports are arranged on the second cross beam, a third shock absorber is arranged at the bottom of the second fixing supports, a fourth shock absorber is arranged at the bottom of the third fixing supports, and the second fixing supports and the third fixing supports are connected through stiffening beams.

Has the advantages that: the lower frame of the automobile seat has a strong cushioning effect, and the comfort performance of the seat is improved.

The utility model has stable structure, and has the effect of enhancing the stability by arranging a plurality of groups of fixed brackets.

Drawings

The foregoing and/or other advantages of the utility model will become further apparent from the following detailed description of the utility model when taken in conjunction with the accompanying drawings.

FIG. 1 is a schematic structural view;

FIG. 2 is a schematic view of a shock absorber.

Detailed Description

Example (b):

as shown in fig. 1 and 2, the present embodiment provides a lower frame of a vehicle seat, including a first cross member 1, a second cross member 2, an outer frame bracket 3, a first mounting hole 4, a second mounting hole 5, a first shock absorber 6, a metal bellows 7, an innerspring 8, an upper flange 9, a lower flange 10, a first fixing bracket 11, a second shock absorber 12, a second fixing bracket 13, a third fixing bracket 14, a third shock absorber 15, a fourth shock absorber 16, and a reinforcement beam 17;

specifically, this embodiment includes first crossbeam 1 and second crossbeam 2, first crossbeam and second crossbeam both ends are equipped with an outer frame support 3 respectively, outer frame support both ends are equipped with the first mounting hole 4 that passes first crossbeam and pass the second mounting hole 5 of second crossbeam respectively, outer frame support both sides bottom connects a first bumper shock absorber 6 respectively, first bumper shock absorber 6 includes corrugated metal pipe 7, built-in spring 8, upper flange 9 and lower flange 10, built-in spring sets up in corrugated metal pipe, corrugated metal pipe and built-in spring top welding are on the upper flange, corrugated metal pipe and built-in spring bottom welding are on the lower flange, the upper flange is fixed at the outer frame support.

In this embodiment, the metal bellows is a double-layer metal bellows.

In this embodiment, the cross beam is a square tube.

In this embodiment, the middle of the beam is provided with more than one first fixing bracket 11, the bottom of the fixing bracket is provided with a second shock absorber 12, and the structure of the second shock absorber 12 is the same as that of the first shock absorber 6.

In this embodiment, a set of second fixing brackets 13 is disposed on the first beam, a set of third fixing brackets 14 is disposed on the second beam, a third damper 15 is disposed at the bottom of the second fixing bracket, a fourth damper 16 is disposed at the bottom of the third fixing bracket, the second fixing bracket and the third fixing bracket are connected through a stiffening beam 17, and the third damper 15 and the fourth damper 16 have the same structure as the first damper 6.

When the frame support is used, the outer frame supports 3 at the two ends are connected to the first cross beam 1 and the second cross beam 2 through the first mounting holes 4 and the second mounting holes 5 respectively, and the four first shock absorbers 6 are correspondingly mounted at the bottoms of the two ends of the outer frame supports 3 respectively and are used for being connected with a frame.

While the utility model has been described with respect to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model. All the components not specified in the present embodiment can be realized by the prior art.

Claims

1. The utility model provides a car seat underframe, its characterized in that, includes first crossbeam and second crossbeam, first crossbeam and second crossbeam both ends are equipped with an outer frame support respectively, outer frame support both ends are equipped with the first mounting hole that passes first crossbeam and pass the second mounting hole of second crossbeam respectively, outer frame support both sides bottom connects a first bumper shock absorber respectively, first bumper shock absorber includes corrugated metal pipe, built-in spring, upper flange and lower flange, built-in spring sets up in corrugated metal pipe, corrugated metal pipe and built-in spring top welding are on the upper flange, corrugated metal pipe and built-in spring bottom welding are on the lower flange, the upper flange is fixed at the outer frame support.

2. The lower frame for a vehicle seat according to claim 1, wherein the metal bellows is a double-layer metal bellows.

3. The lower frame for a vehicle seat according to claim 1, wherein said cross member is a square tube.

4. The lower frame for a vehicle seat as claimed in claim 1, wherein said cross member has one or more first fixing brackets provided at a middle portion thereof, and second dampers provided at bottoms thereof.

5. The lower frame for vehicle seats of claim 4, wherein the cross member comprises a first cross member and a second cross member, the first cross member is provided with a set of second fixing brackets, the second cross member is provided with a set of third fixing brackets, the bottom of the second fixing bracket is provided with a third shock absorber, the bottom of the third fixing bracket is provided with a fourth shock absorber, and the second fixing bracket and the third fixing bracket are connected through a reinforcing beam.