CN217623789U - Seat crossbeam assembly and automobile body - Google Patents

Abstract

The utility model provides a seat crossbeam assembly and automobile body. The seat beam assembly includes: the beam body and the floor enclose to form a first chamber; the reinforcing plate is arranged on one side of the beam body and forms a second chamber with the beam body in an enclosing mode; the seat beam assembly is sequentially provided with a first mounting area, a second mounting area and a third mounting area from front to back, wherein the first mounting area, the second mounting area and the third mounting area are used for being fixed with a floor; the second mounting area is arranged in the second chamber. The seat beam assembly is provided with the reinforcing plate to increase a cavity and a fixing point between the seat beam assembly and the floor, so that the collision resistance of the whole vehicle body is improved.

Description

Seat crossbeam assembly and automobile body

Technical Field

The utility model relates to a but not limited to vehicle technical field especially relates to a seat crossbeam assembly and automobile body.

Background

The safety performance of the car collision is receiving much attention, and the car collision is generally classified into a frontal collision, a side collision, a rear collision, a rollover collision, a pedestrian collision, and the like. In addition, with the rapid development of the new energy automobile market, a great amount of manpower and material resources are also put into research and development of new energy, hybrid automobiles and other automobiles in domestic and foreign enterprises. How to ensure the protection of the high voltage battery and the safety of the driver and passengers in different collision areas, particularly in side collisions, has become a focus of attention in the market and in the society.

The high-voltage storage battery is arranged under the floor of a vehicle body under the common conditions of new energy and hybrid electric vehicles, so that the problem that the high-voltage storage battery is arranged in front of designers when the force transmission structure is reasonably designed and the arrangement requirement is met can be solved, and effective protection can be provided for passengers in the vehicle.

In the side collision especially side post bumps the operating mode, new forms of energy motorcycle type conquassation space is less, and power transmission path is less, and is lacked or is interrupted even, is difficult to effectively pass power in the side collision, and battery package and inside module receive extrusion weeping, thermal runaway etc. easily, lead to the battery package to damage and cause the incident.

The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a seat crossbeam assembly and automobile body. The seat beam assembly is provided with the reinforcing plate to increase a cavity and a fixing point between the seat beam assembly and the floor, so that the collision resistance of the whole vehicle body is improved.

The embodiment of the utility model provides a technical scheme as follows:

a seat beam assembly comprising:

the beam body and the floor enclose to form a first chamber; and

the reinforcing plate is arranged on one side of the beam body and forms a second chamber with the beam body in an enclosing mode;

the seat beam assembly is sequentially provided with a first mounting area, a second mounting area and a third mounting area from front to back, wherein the first mounting area, the second mounting area and the third mounting area are used for being fixed with a floor; the second mounting area is arranged in the second chamber.

Through set up the reinforcing plate in the seat beam assembly to increase the cavity that forms between seat beam assembly and the floor, with the mechanical properties who improves the automobile body, improve the ability of anti collision. The fixing point of the seat beam assembly and the floor is increased in the area of the second chamber formed by enclosing the reinforcing plate and the beam body, so that the transmission path of the collision force is increased, and the collision resistance of the whole vehicle is improved.

In some exemplary embodiments, the reinforcing plate includes a downward groove, the groove and the protrusion of the beam body enclose the second chamber, and the second mounting area is provided on a bottom wall of the groove.

The reinforcing plate is provided with the downward groove and is located below the protrusion of the beam body, so that the groove and the protrusion enclose a second chamber together, the second mounting area is arranged on the bottom wall of the groove, the transmission path of the collision force between the reinforcing plate and the floor is increased, and the overall design structure is optimized.

In some exemplary embodiments, a portion of the second chamber, which is surrounded by the protrusion and the groove, is provided with an avoiding hole for forming an operation space of the second installation area.

The avoidance hole for avoiding installation operation is formed in the protrusion forming the second chamber, so that the overall design structure of the seat beam assembly is simplified.

In some exemplary embodiments, two or more of the avoidance holes are provided at intervals in the vehicle width direction.

Set up a plurality of holes of dodging along automobile body width direction interval, when the joint strength on reinforcing plate and floor, also do not reduce rigidity, the intensity of crossbeam body self.

In some exemplary embodiments, the reinforcing panel further includes a first flange and a second flange, the first flanging, the groove and the second flanging are connected in sequence, form an inverted 'ji' shape;

wherein the first flange and the second flange are fixed with the protrusion.

The reinforcing plate is arranged as the inverted shape of a Chinese character 'ji', so that the seat beam assembly and the floor are enclosed into at least three chambers to improve the deformation resistance of the whole vehicle.

In some exemplary embodiments, the beam body further comprises a third flange and a fourth flange, and the third flange, the protrusion and the fourth flange are sequentially connected to form a shape like a Chinese character 'ji';

the first mounting area is arranged on the third flanging, and the third mounting area is arranged on the fourth flanging.

Simplify the structure of crossbeam body, also can reduce the design cost of product.

In some exemplary embodiments, the first mounting area, the second mounting area, and the third mounting area are all welded to the floor.

Adopt the welding mode to fix the seat crossbeam assembly on the floor, the fixed mode is ripe and reliable, and can not too much increase the weight of product.

In some exemplary embodiments, the top of the protrusion is provided with a slope inclined downward for resting feet.

The inclined plane is arranged at the top of the protrusion, so that the passengers in the back row can conveniently rest feet, the riding comfort of the seats in the back row is improved, and the man-machine comfort of the whole vehicle is improved.

In some exemplary embodiments, the protrusions are provided with an inducing rib for crushing and absorbing energy in a side collision;

the induction rib is arranged to be positioned on the top wall of the bulge and is provided with a groove extending along the width direction of the vehicle body; or the inducing ribs are arranged into grooves which are positioned on the top wall and the side wall of the protrusion and extend along the height direction of the vehicle body.

Set up the induction muscle through the arch at the crossbeam body to be used for crushing energy-absorbing in the side collision, with the performance that improves anti side collision.

A vehicle body comprising a floor and the seat beam assembly of any of the above embodiments secured to the floor.

Other aspects will be apparent upon reading and understanding the attached drawings and detailed description.

Drawings

The accompanying drawings are included to provide a further understanding of the technical solutions of the present invention, and are incorporated in and constitute a part of this specification, together with the embodiments of the present invention for explaining the technical solutions of the present invention, and do not constitute a limitation on the technical solutions of the present invention.

Fig. 1 is an isometric view of a beam body according to some exemplary embodiments of the present invention;

fig. 2 is a schematic front view of a beam body according to some exemplary embodiments of the present invention;

fig. 3 is a schematic top view of a beam body according to some exemplary embodiments of the present invention;

fig. 4 is a left side schematic view of a beam body of some illustrative embodiments of the present invention;

fig. 5 is an isometric view of a stiffener plate according to some exemplary embodiments of the present invention;

fig. 6 is a schematic front view of a stiffener according to some exemplary embodiments of the present invention;

fig. 7 is a schematic top view of a stiffener according to some exemplary embodiments of the present invention;

fig. 8 is a left side schematic view of a stiffener according to some exemplary embodiments of the present invention;

fig. 9 is a schematic cross-sectional view of a seat beam assembly engaged with a floor in accordance with certain exemplary embodiments of the present invention.

Reference numerals:

100-beam body, 101-bulge, 101 a-top wall, 101 b-inclined plane, 101 c-side wall, 102-avoidance hole, 103-third flanging, 104-fourth flanging, 105-induction rib and 106-mounting hole;

200-reinforcing plate, 201-groove, 202-first flanging, 203-second flanging and 204-reinforcing rib;

300-first chamber, 400-second chamber, 500-floor.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention.

In one embodiment of the present invention, as shown in fig. 1 to 9, a seat beam assembly is provided. The seat cross member assembly includes a cross member body 100 and a reinforcement plate 200. Taking the front left seat rear cross member as an example, the cross member body 100 may be a cross member located only in the left region of the floor, a cross member located only in the right region of the floor, or a cross member that penetrates the left and right regions of the floor in the vehicle width direction (Y direction). When the cross beam body 100 penetrates the entire floor in the Y direction, the cross beam body 100 may be integrally formed by press molding, or may be assembled after being formed in sections along the length of the cross beam body 100, for example, the cross beam body 100 may be divided into three sections along the length direction thereof. In the embodiment of the present invention, the cross beam body 100 is set to be located only on the left side of the floor, the rear cross beam of the front seat is used as an example to elaborate the technical solution, the front cross beam of the front seat can be referred to the setting, and the seat cross beam structure located on the right side of the floor can also be referred to the design.

The beam body 100 is fixed on the floor 500, usually by carbon dioxide arc welding or by screwing. The cross-member body 100 includes an upward projection 101, and the projection 101 extends in the Y-direction of the vehicle body. The cross-section of the protrusion 101 may be formed in an inverted U-shape, M-shape, or self-arranged form, etc. Taking the U-shaped cross section of the protrusion 101 as an example, the beam body 100 and the floor 500 together enclose a first chamber 300, and the cross section of the first chamber 300 is trapezoidal, as shown in fig. 9.

The reinforcement plate 200 may be located above or below the cross member body 100, that is, the reinforcement plate 200 is disposed along the Z direction of the vehicle body, the up-down direction of the vehicle body. As shown in fig. 9, the reinforcement plate 200 is provided below the cross member body 100. The reinforcing plate 200 and the beam body 100 enclose a second chamber 400. The cross-section of the second chamber 400 may be rectangular, or trapezoidal, or concave, or inverted concave, etc.

Three mounting areas, namely a first mounting area, a second mounting area and a third mounting area, for fixing with the floor 500 are sequentially arranged from front to back along the width direction of the seat beam assembly, namely along the X direction. The first installation area, the second installation area and the third installation area may be fixed to the floor panel 500 by welding. The second installation area is arranged in the second chamber 400, so that the part of the seat beam assembly forming the second chamber 400 is fixed with the floor 500, the force transmission path between the seat beam assembly and the floor 500 is increased, the force is transmitted by the first chamber 300, the second chamber 400 and the three installation areas together when collision occurs, particularly side collision occurs, the collision resistance of the whole vehicle is effectively improved, and the safety performance of the whole vehicle is improved.

In some exemplary embodiments, as shown in fig. 5-8, the stiffener plate 200 includes a downward groove 201. As shown in fig. 9, the reinforcing plate 200 is disposed below the crossbeam body 100 such that the groove 201 and the protrusion 101 of the crossbeam body 100 enclose a second chamber 400, and as shown in the figure, the cross section of the second chamber 400 may be configured as an inverted trapezoid. The second installation region may be provided at the bottom wall of the groove 201 such that the second chamber 400 is fixed to the floor panel 500 through the groove 201 to increase a transmission path of the collision force between the reinforcing plate 200 and the floor panel 500, optimizing the overall design structure. The beam body 100 in the second chamber 400 can also be fixed to the floor 500 through the second mounting area, that is, a part of the protrusion 101 is recessed downward, so that the protrusion 101, the groove 201 and the floor 500 are welded together.

As shown in fig. 9, the shape of the reinforcing plate 200 is configured such that the first chamber 300, which is originally formed by the seat beam assembly and the floor 500, is divided into three chambers, such as the shapes of the chambers indicated by the dashed boxes in the figure, so as to change the mechanical properties of the seat beam assembly and improve the deformation resistance.

In some exemplary embodiments, as shown in fig. 1, 3, and 9, an avoiding hole 102 is provided on the protrusion 101. The escape hole 102 is located on one side wall constituting the second chamber 400. The avoiding hole 102 may be arranged opposite to the fixing point on the second installation area, and the second installation area is not necessarily fixed to the floor 500, but a plurality of fixing points are arranged to realize the fixing to the floor 500. When the second installation area is selected to be fixed on the floor 500 by means of screw connection, the avoiding hole 102 is arranged opposite to the installation through hole of the second installation area, so as to provide an operation space for fixing the second installation area on the floor 500. When the welding mode is selected, the avoiding hole 102 can be arranged to be opposite to the welding point on the second mounting area, so that the welding gun can conveniently perform welding operation. The protrusion 101 constituting the second chamber 400 is provided with the escape hole 102 for performing an escape installation operation, so that the design structure of the beam body 100 is simplified, and the convenience of fixation is also improved. The appropriate avoidance holes 102 also provide a weight reduction effect, optimizing the structure of the product as a whole.

In some exemplary embodiments, as shown in fig. 1 and 3, more than two avoidance holes 102 are provided along the Y direction. The plurality of avoidance holes 102 may be arranged at equal intervals or at unequal intervals. The avoidance holes 102 are arranged at intervals in the width direction of the vehicle body, so that the rigidity and the strength of the beam body 100 are not reduced while the connection strength of the reinforcing plate 200 and the floor 500 is enhanced, the mechanical property of the seat beam assembly is optimized integrally, the seat beam assembly can meet the requirement of man-machine comfort, the communication of a force transmission path can be effectively utilized, and the effective transmission of loads in side impact engineering is guaranteed.

In some exemplary embodiments, as shown in fig. 5, 7, 8, and 9, the reinforcing plate 200 may be provided in an inverted several-letter shape. The reinforcing plate 200 may be formed by integral press molding and includes first and second flanges 202 and 203 respectively located at both sides of the groove 201 in the X direction. The first flanging 202, the groove 201 and the second flanging 203 are connected in sequence, forming an inverted 'several' shape. Wherein, the first flange 202 and the second flange 203 can be fixedly connected with the protrusion 101. As shown in fig. 9, the first flange 202 and the second flange 203 may be fixed to the top wall 101a of the boss 101. The reinforcing plate 200 is provided in an inverted several-letter shape, so that the seat beam assembly and the floor 500 are enclosed into at least three chambers to improve the deformation resistance of the whole vehicle.

In some exemplary embodiments, as shown in fig. 5, a plurality of ribs 204 may be provided on the reinforcing plate 200 to improve the deformation resistance of the reinforcing plate 200. As shown, the ribs 204 may be provided as triangular ribs or the like.

As shown in fig. 5, the first flange 202 and the second flange 203 may be provided as rugged plates. Taking the first flange 202 as an example, the area to be welded with the protrusion 101 is attached to the protrusion 101, and the area between two adjacent welding areas is properly recessed downward to form an uneven shape, so as to reserve a gap with the protrusion 101, thereby reducing the manufacturing difficulty of the reinforcing plate 200 and the manufacturing cost. In a similar way, the welding area of the groove 201 and the floor 500 is designed to be attached to the floor 500, and two adjacent welding areas can be protruded upwards to reserve a gap between the adjacent welding areas and the floor 500, so that the manufacturing difficulty of the reinforcing plate 200 can be reduced, and the manufacturing cost is reduced.

In some exemplary embodiments, the beam body 100 may be configured in a shape of a Chinese character 'ji', as shown in fig. 1, 3, and 4. The cross beam body 100 includes a third flange 103 and a fourth flange 104 on both sides of the protrusion 101, respectively. The third flange 103, the protrusion 101 and the fourth flange 104 are connected in sequence to form a zigzag shape, and can be integrally formed by pressing. In the production process of the product, the reinforcing plate 200 and the beam body 100 can be welded together, and then integrally welded to the floor 500, the first mounting area is arranged on the third flanging 103, and the third mounting area is arranged on the fourth flanging 104. The third flange 103, the groove 201 and the fourth flange 104 form three mounting areas of the seat beam assembly and the floor 500, and form a plurality of transmission paths of collision force so as to optimize the side collision performance of the whole vehicle.

The beam body 100 is disposed in a zigzag shape to approximate a "flat" state. In general, the size of the cavity between the seat beam assembly and the floor, the material strength, and the like play a decisive role in the stability of force transmission during impact and the deformation mode of the seat beam assembly. The larger the cavity between the seat beam assembly and the floor is, the higher the material strength is, the more force is transferred during side collision, the deformation is more stable, the higher the load can be born, and the safety performance is more favorable. However, from a human-machine perspective and occupant comfort perspective, it is desirable that the smaller the chamber between the seat beam assembly and the floor, the better, and preferably the closer to a "flat" condition, the more comfortable the occupant can sit on and the more room for seat adjustment. The embodiment of the utility model provides an in seat crossbeam assembly, can carry out better balance to both, synthesize the performance that improves whole car.

In some exemplary embodiments, as shown in fig. 1 to 3, a slope 101b sloping downward for resting the feet is provided on the top of the protrusion 101, and the slope 101b may be integrally stamped with other features of the protrusion 101. As shown, the ramp 101b is located at the intersection of the top wall 101a and the side wall 101 c. Two side walls 101c are respectively located on both sides of the top wall 101a to constitute an inverted U-shaped projection 101. One of the side walls 101c is connected to the third flange 103, and the other side wall 101c is connected to the fourth flange 104, so as to form the cross beam body 100 in a shape of a Chinese character 'ji'.

The inclined plane is arranged at the top of the protrusion 101, so that passengers on the back row can conveniently rest feet, the riding comfort of seats on the back row is improved, and the man-machine comfort of the whole vehicle is improved. The inclined surface 101b is arranged along the Y direction, and can be disposed in the middle area of the beam body 100 in the length direction, and can also be adapted to the design position of the corresponding rear seat for adaptive adjustment, so as to obtain better comfort in use. The inclined surface 101b also can improve the mechanical property of the beam body 100 and improve the deformation resistance.

In some exemplary embodiments, as shown in fig. 1 and 3, one or more mounting holes 106 are provided in the seat beam assembly. The mounting holes 106 are used to connect the seat beam assembly to the battery pack to increase the transmission path of the impact force. The mounting hole 106 may be provided on a turn-up of the cross beam body 100, for example, the fourth turn-up 104, according to the arrangement position of the battery pack. The mounting hole 106 may be a through hole only, or may be a through hole with a solder nut, or the like.

In some exemplary embodiments, as shown in fig. 1 to 3, an inducing rib 105 may be provided on the protrusion 101. The inductive rib 105 is located in the area of the seat cross member assembly near the exterior of the vehicle for crush energy absorption in a side impact.

One or more inducing ribs 105 may be provided. The inducing rib 105 may be provided only to the top wall 101a of the protrusion 101, a groove extending in the vehicle body width direction, i.e., in the Y direction. The inducing rib 105 may be vertically disposed, i.e., extend in the height Z direction of the vehicle body, from the top wall 101a to the side wall 101c, as shown in fig. 2 and 3. The inducing ribs 105 may be provided only on the side wall 101c on one side of the top wall 101a, or may be provided on the side walls 101c on both sides of the top wall 101 a. The cross-sectional shape, the extension length, and the like of the plurality of inductive ribs 105 may be the same or different, and no separate identification distinction is made.

The cross beam body 100 is further provided with a mounting point or a mounting structure for fixing a seat, a positioning hole for assisting fixing, and the like. Two ends of the beam body 100 along the Y direction may also be respectively provided with flanges, as shown in fig. 1, to fix with the center channel or the door frame beam, or to select a welding manner. The conventional settings can refer to the existing design of the vehicle model, and are not described in detail herein.

In another embodiment of the present invention, a vehicle body is provided, the vehicle body comprising a floor 500 and a seat beam assembly according to any of the above embodiments secured to the floor 500. Since the vehicle body comprises the seat cross beam assembly according to any one of the embodiments, all the beneficial effects are achieved, and detailed description is omitted.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, 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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. A seat beam assembly, comprising:

the beam body and the floor enclose to form a first chamber; and

the reinforcing plate is arranged on one side of the beam body and forms a second chamber with the beam body in an enclosing mode;

the seat beam assembly is sequentially provided with a first mounting area, a second mounting area and a third mounting area from front to back, wherein the first mounting area, the second mounting area and the third mounting area are used for being fixed with a floor; the second mounting area is arranged in the second chamber.

2. The seat beam assembly of claim 1 wherein the reinforcement plate includes a downward facing recess that encloses the second chamber with the projection of the beam body, the second mounting area being defined in a bottom wall of the recess.

3. The seat beam assembly of claim 2, wherein the portion of the protrusion and the recess that define the second cavity is provided with an avoiding hole for forming an operating space of the second mounting area.

4. The seat rail assembly of claim 3, wherein two or more of the relief holes are spaced apart in a width direction of the vehicle body.

5. The seat beam assembly of any of claims 2-4, wherein the reinforcement plate further includes a first flange and a second flange, the first flanging, the groove and the second flanging are connected in sequence, form an inverted 'ji' shape;

wherein the first flange and the second flange are fixed with the protrusion.

6. The seat beam assembly of any one of claims 2 to 4, wherein the beam body further comprises a third flange and a fourth flange, and the third flange, the protrusion and the fourth flange are connected in sequence to form a zigzag shape;

the first mounting area is arranged on the third flanging, and the third mounting area is arranged on the fourth flanging.

7. The seat beam assembly of any of claims 1-4, wherein the first mounting area, the second mounting area, and the third mounting area are welded to the floor.

8. The seat beam assembly of any one of claims 2 to 4 wherein the top of the projection is provided with a ramp sloping downwardly for footrest.

9. The seat rail assembly according to any one of claims 2 to 4, wherein the protrusion is provided with an induction rib for crush energy absorption in a side collision;

the induction rib is arranged to be positioned on the top wall of the bulge and is provided with a groove extending along the width direction of the vehicle body; or the induction ribs are arranged to be grooves which are positioned on the top wall and the side wall of the protrusion and extend along the height direction of the vehicle body.

10. A vehicle body comprising a floor and the seat beam assembly of any of claims 1 to 9 secured to the floor.

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