CN212047001U - Cross beam assembly for seat, cross beam assembly fixing structure and vehicle - Google Patents

Abstract

The utility model provides a beam assembly, beam assembly fixed knot construct and vehicle for seat. A cross beam assembly for a seat includes a cross beam body and a cross beam connector; the cross beam body has opposite first and second ends, the first end is used for connecting with the middle channel of the vehicle; the beam connecting piece is connected with the beam main body, the beam connecting piece is provided with a third end portion and a fourth end portion which are opposite to each other, the third end portion is connected with the second end portion, and the fourth end portion is used for being connected with a doorsill of a vehicle. The beam connecting piece extends out of the cavity from the third end part to the fourth end part along the length direction of the beam main body, and the width of the beam connecting piece is gradually increased along the direction from the third end part to the fourth end part. The invention also discloses a cross beam assembly fixing structure for the cross beam assembly of the seat and a vehicle. The invention solves the problem of vehicle safety caused by low side collision performance of the beam assembly of the existing vehicle.

Description

Cross beam assembly for seat, cross beam assembly fixing structure and vehicle

Technical Field

The utility model belongs to the technical field of the vehicle manufacturing, particularly, relate to a beam assembly, beam assembly fixed knot construct and vehicle for seat.

Background

Under the current conditions of increasingly serious environmental pollution and oil loss, new energy vehicles become an important link for development in the vehicle industry. The vibration of the vehicle seat directly affects the comfort of the vehicle seat when the vehicle seat is in direct contact with a driver and a passenger, the rigidity and the strength of the seat mounting structure are key factors affecting the seat mounting structure, and the seat is mounted on the vehicle body bottom plate through a seat cross beam. For a new energy vehicle with a power battery system arranged below a vehicle body bottom plate, the power battery occupies no space below the vehicle body bottom plate due to the fact that the space below the vehicle body bottom plate is completely occupied, and a cross beam stress structure is not increased; meanwhile, in order to ensure ground clearance, the floor panel of the vehicle body is higher relative to the ground compared with the traditional fuel vehicle, but the sitting position of a human body is unchanged, so that the space in the height direction on the floor of the vehicle body is smaller compared with the traditional fuel vehicle, and the cross section of the seat cross beam is reduced, so that the collision performance of the whole vehicle is reduced. Under the condition that the side collision performance is low in the whole vehicle state, the electrical safety of the battery can not be ensured easily in the collision process, the internal damage of the battery in the whole vehicle side collision or column collision process is caused, even the battery is on fire, and the personal safety is endangered.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a beam assembly, beam assembly fixed knot construct and vehicle for seat, this a beam assembly for seat's simple structure, side anti-collision ability are strong, the reliability is high, and then can improve the security that has its beam assembly fixed knot construct and vehicle.

The utility model provides a beam assembly for a seat, which comprises a beam main body and a beam connecting piece, wherein the beam main body is provided with a first end part and a second end part which are opposite, and the first end part is used for being connected with a middle channel of a vehicle; the beam connecting piece is connected with the beam main body, the beam connecting piece is provided with a third end part and a fourth end part which are opposite, the third end part is connected with the second end part, and the fourth end part is used for being connected with a doorsill of a vehicle; the beam connecting piece extends out of a cavity from the third end part to the fourth end part along the length direction of the beam main body, and the width of the beam connecting piece is gradually increased along the direction from the third end part to the fourth end part.

Further, the second end of the beam main body is connected with the third end of the beam connecting piece in a welding mode.

Further, the height of the beam connector is not less than the height of the beam body.

Furthermore, a first flanging is arranged on the beam main body, and the first flanging is arranged on the outer side of the bottom of the beam main body in a surrounding mode.

Further, the cavity has a first surface, a second surface and a third surface, the first surface and the second surface being opposite, the third surface connecting the first surface and the second surface.

Furthermore, a second flanging is arranged on the beam connecting piece, and the second flanging is respectively arranged on the outer sides of the bottoms of the first surface and the second surface in a surrounding manner.

Further, the third surface is used for installing a seat of a vehicle, and weight-reducing holes are formed in the first surface and the second surface.

Furthermore, a third flanging is arranged on one side, far away from the third end, of the fourth end, and the third flanging is used for being matched with the doorsill.

Adopt above-mentioned technical scheme, the utility model discloses a width crescent that is close to the threshold of vehicle for the beam assembly's of seat crossbeam connecting piece, and then the area of contact increase of the crossbeam assembly that is used for the seat and the threshold overlap joint of vehicle, and then the beam assembly that is used for the seat strengthens to the support ability of the threshold of vehicle, has the side anti-collision ability reinforcing of its crossbeam assembly fixed knot structure and vehicle, and then guarantees that the passenger of vehicle has fine travelling comfort and security when riding. Meanwhile, the cross beam assembly for the seat is simple in structure, and the stability of the lap joint structure of the cross beam assembly for the seat, the middle channel of the vehicle and the doorsill of the vehicle is enhanced, so that the overall stability of the vehicle is higher.

Based on the same utility model concept, the utility model provides a beam assembly fixed knot constructs, include well passageway, threshold and according to above arbitrary technical scheme be used for the beam assembly of seat, be used for the beam assembly of seat the crossbeam main part with well passageway links to each other, be used for the beam assembly of seat the crossbeam connecting piece with the threshold links to each other.

Correspondingly, the utility model also provides a vehicle, the vehicle have according to above scheme beam assembly fixed knot construct and vehicle bottom plate, beam assembly fixed knot construct locates on the vehicle bottom plate.

Adopt above-mentioned technical scheme, beam assembly fixed knot construct and vehicle and the above-mentioned beam assembly who is used for the seat the advantage that has for prior art is the same, no longer gives unnecessary details here.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural view of a cross-member assembly for a seat according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a cross-member assembly for a seat according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a beam assembly fixing structure according to an embodiment of the present invention;

fig. 4 is an enlarged view of a portion of a beam assembly fixing structure according to an embodiment of the present invention;

in the figure, the position of the upper end of the main shaft,

1-a beam assembly fixing structure;

10-a cross-beam assembly for a seat;

11-a beam body, 111-a first end, 112-a second end, 113 a first flange;

12-beam connection part, 120-cavity, 1201-first surface, 1202-second surface, 1203-third surface, 1204-lightening hole, 121-third end, 122-fourth end, 123-second flanging and 124-third flanging;

20-a middle channel;

30-a threshold;

and 40-a vehicle body bottom plate.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with at least one implementation of the invention is included. In the description of the present invention, it is to be understood that the terms "upper", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1 to 4, the present invention provides a cross beam assembly 10 for a seat, which includes a cross beam main body 11 and a cross beam connector 12, wherein one end of the cross beam connector 12 is connected to one end of the cross beam main body 11. The other end of the cross member connector 12 is connected to a rocker 30 of the vehicle, and the other end of the cross member main body 11 is connected to a center tunnel 20 of the vehicle.

In some embodiments of the present invention, please refer to fig. 1 and 2, and fig. 1 and 2 are schematic structural diagrams of a beam assembly for a seat according to embodiments of the present invention. The cross member main body 11 has opposite first and second ends 111 and 112, the first end 111 being adapted to be connected to the center tunnel 20 of the vehicle. The cross member connector 12 has opposite third and fourth ends 121 and 122, the third end 121 being connected to the second end 112, and the fourth end 122 being adapted to be connected to the rocker 30 of the vehicle. The beam connector 12 extends from the third end 121 to the fourth end 122 out of the cavity 120 along the length direction of the beam body 11, and the width of the beam connector 12 gradually increases along the extending direction. The cavity 120 has a first surface 1201, a second surface 1202 and a third surface 1203, the first surface 1201 and the second surface 1202 being opposed, the third surface 1203 connecting the first surface 1201 and the second surface 1202, and the third surface 1203 being for mounting a seat of a vehicle. The third surface 1203 of the cavity 120 of the beam connector 12 has a fan-shaped or trapezoid structure, so that the contact area of the connection part of the beam connector 12 and the door sill 30 of the vehicle is increased, the supporting force of the beam assembly 10 greater than the door sill 30 is increased, and the stability of the lap joint structure of the beam assembly 10 and the door sill 30 is enhanced. When one side of the vehicle is collided, collision energy can be quickly transmitted to the other side of the vehicle, the deformation degree of the collided side of the vehicle is reduced, further, the damage to passengers of the vehicle is effectively avoided, and the battery pack of the vehicle is effectively prevented from being damaged in the collision process to cause greater safety accidents.

In some embodiments of the present invention, the height of the beam connector 12 is greater than or equal to the height of the beam main body 11. The third end 121 of the beam connector 12 and the second end 112 of the beam body 11 are welded. The welded connection between the beam connector 12 and the beam body 11 may be made by laser welding. It will be appreciated that the third end 121 of the beam connector 12 and the second end 112 of the beam body 11 may also be an adhesive or mechanically fastened connection. The beam assembly 1 for a seat, in which the beam connector 12 and the beam body 11 are connected by welding, is lighter in weight and lower in cost, and further the beam assembly fixing structure and the vehicle having the same also have the advantages of light weight and low cost.

In some embodiments of the present invention, please refer to fig. 1 and 2, a first flange 113 is disposed on the beam main body 11, and the first flange 113 extends outward around the bottom of the beam main body 11. The beam main body 11 is simple in structure and convenient to install. The first flange 113 extends along the circumferential direction of the beam main body 11, the first flange 113 is used for being connected with the beam assembly 10 and the middle channel 20, and the first flange 113 can be connected with the beam assembly 10 and the middle channel 20 in a welding mode. Therefore, the cross beam main body 11 is connected with the cross beam assembly 10 and the middle channel 20 through the first flanging 113, so that the seat of the vehicle is stably supported on the cross beam assembly 10 and the middle channel 20, and the seat of the vehicle is more stably and firmly installed. The beam connector 12 is provided with a second flange 123, and the second flange 123 extends outwards along the bottom of the first surface 1201 and the second surface 1202. The second flange 123 is provided around the beam connector 12, and the second flange 123 extends along the circumferential direction of the beam connector 12. The second flange 123 may be connected to the first surface 1201 and the second surface 1202 of the beam connector 12 at various locations by welding. A third flange 124 is arranged on the fourth end 122 of the beam connector 12 on the side away from the third end 121, the third flange 124 is used for matching with the vehicle door sill 30, and the third flange 124 can be welded with the vehicle door sill 30. The arrangement of the third flange 124 makes the connection between the vehicle door sill 30 and the cross member assembly 10 more stable and reliable.

In some embodiments of the present invention, referring to fig. 1-4, lightening holes 1204 are provided on both the first surface 1201 and the second surface 1202 of the beam connector 12. The number of the lightening holes 1204 on two sides can be single or multiple. The weight of the cross-member assembly 10, and thus the weight of the cross-member assembly fixing structure 1 and the vehicle, is further reduced by the design of the lightening holes 1204.

The utility model discloses an in some embodiments, crossbeam connecting piece 12 passes through stamping forming, is equipped with a plurality of wrinkle bars (not marking in the figure) of inhaling on first surface 1201 and the second surface 1202 of crossbeam connecting piece 12, and the wrinkle bars of inhaling can reduce the risk that crossbeam connecting piece 12 corrugates when stamping forming effectively, and then the shaping of crossbeam connecting piece 12 of being convenient for reduces the shaping risk of crossbeam connecting piece 12.

As shown in fig. 3 to 4, the present invention also provides a beam assembly fixing structure 1 having the beam assembly 10 for a seat described above, and a vehicle having the beam assembly fixing structure 1. The cross member assembly fixing structure 1 includes a center tunnel 20, a rocker 30, and the cross member assembly 10 for a seat according to any one of the above embodiments, the cross member main body 11 of the cross member assembly 10 for a seat is welded to the center tunnel 20, and the cross member connecting member 12 of the cross member assembly 10 for a seat is slidably overlapped with the rocker 30.

According to the utility model discloses the vehicle is provided with the crossbeam subassembly fixed knot who describes 1 and underbody 40 of above-mentioned arbitrary embodiment, crossbeam subassembly fixed knot constructs 1 and locates on the underbody 40 and be connected with underbody 40.

According to the utility model discloses vehicle, the simple structure of vehicle, production simple process, the whole lightweight more of vehicle, and the security and the reliability of vehicle are higher, and vehicle passenger's safety obtains better guarantee.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. A cross-beam assembly for a seat, comprising:

beam main body (11): the cross beam main body (11) is provided with a first end part (111) and a second end part (112) which are opposite, and the first end part (111) is used for being connected with a middle channel (20) of a vehicle; and

beam connection (12): the cross beam connecting piece (12) is connected with the cross beam main body (11), the cross beam connecting piece (12) is provided with a third end part (121) and a fourth end part (122) which are opposite, the third end part (121) is connected with the second end part (112), and the fourth end part (122) is used for being connected with a door sill (30) of a vehicle;

the beam connecting piece (12) extends out of the cavity (120) from the third end (121) to the fourth end (122) along the length direction of the beam main body (11), and the width of the beam connecting piece (12) is gradually increased along the direction from the third end (121) to the fourth end (122).

2. The cross-beam assembly for a seat of claim 1, wherein: the second end (112) of the beam main body (11) is connected to the third end (121) of the beam connector (12) by welding.

3. The cross-beam assembly for a seat of claim 2, wherein: the height of the beam connecting piece (12) is not less than that of the beam main body (11).

4. The cross-beam assembly for a seat of claim 3, wherein: the beam main body (11) is provided with a first flanging (113), and the first flanging (113) is arranged on the outer side of the bottom of the beam main body (11).

5. The cross-beam assembly for a seat of claim 3, wherein: the cavity (120) has a first surface (1201), a second surface (1202), and a third surface (1203), the first surface (1201) and the second surface (1202) being opposite, the third surface (1203) connecting the first surface (1201) and the second surface (1202).

6. The cross-beam assembly for a seat of claim 5, wherein: and a second flanging (123) is arranged on the beam connecting piece (12), and the second flanging (123) is respectively arranged at the outer sides of the bottoms of the first surface (1201) and the second surface (1202).

7. The cross-beam assembly for a seat of claim 6, wherein: the third surface (1203) is used for mounting a seat of a vehicle, and weight-reducing holes (1204) are formed in the first surface (1201) and the second surface (1202).

8. The cross-beam assembly for a seat of claim 3, wherein: and a third flanging (124) is arranged on one side, away from the third end part (121), of the fourth end part (122), and the third flanging (124) is used for being matched with the doorsill (30).

9. A beam assembly fixing structure is characterized in that: comprising a center tunnel (20), a rocker (30) and a beam assembly for a seat according to any one of claims 1 to 8, the beam body (11) of the beam assembly (10) for a seat being connected to the center tunnel (20), the beam connection (12) of the beam assembly (10) for a seat being connected to the rocker (30).

10. A vehicle, characterized in that: comprising the cross member assembly fixing structure (1) according to claim 9 and a vehicle body floor (40), the cross member assembly fixing structure (1) being provided on the vehicle body floor (40).

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