CN218489746U

CN218489746U - Frame cross member structure and car

Info

Publication number: CN218489746U
Application number: CN202222628935.7U
Authority: CN
Inventors: 周瑜; 毛爱华; 孙瑜; 王瑞君; 刘福生; 李建华
Original assignee: FAW Jiefang Automotive Co Ltd
Current assignee: FAW Jiefang Automotive Co Ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-02-17
Anticipated expiration: 2032-10-08

Abstract

The utility model relates to a frame cross structure and car, it includes: the beam column is of a hollow tubular structure; connecting members provided at opposite ends of the beam column; the connecting piece is the platelike structure of a few font for the cross-section, and the connecting piece includes: a bending part bending towards the beam column direction, and connecting legs fixedly connected with the longitudinal beam at two sides of the bending part; the bending part is fixedly connected with the end part of the beam column. The beam column is fixedly arranged between the longitudinal beams through the connecting piece with the center bent towards the direction of the cross beam, so that the length of the beam column is shortened and the lightweight degree of the frame cross beam structure is improved on the premise of ensuring the strength requirement of the frame cross beam structure; connect foot and kink and form one and pass through the pipeline passageway in space around having, the pipeline of the crossbeam structure of the car through this application need not to do the design of winding or punch in order to pass through the crossbeam structure on the crossbeam structure of the car, the laying of the car pipeline of being convenient for.

Description

Frame cross member structure and car

Technical Field

The utility model relates to a vehicle frame structure technical field especially relates to frame cross beam structure and car.

Background

The vehicle frame is the most critical assembly which normally bears the highest stress, when the vehicle turns and passes through a rough road surface, the torsional stress borne by the whole vehicle frame is very high, most of the stress can be transmitted to the cross beam, and therefore the cross beam as a critical part on the vehicle frame needs to bear high torsional and tensile stress.

The beam structure in the prior art is heavy, indirectly improves the weight of the vehicle, increases the oil consumption or the power consumption of the vehicle, and is not beneficial to the light weight development of the vehicle and the requirements of energy conservation and emission reduction of the current society.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a frame cross member structure and an automobile, which solve the problem of the prior art that the cross member structure has a large weight.

A frame rail structure, comprising:

the beam column is of a hollow tubular structure;

connecting members provided at opposite ends of the beam column; the connecting piece is the platelike structure of a few font for the cross-section, the connecting piece includes: the connecting leg is fixedly connected with the longitudinal beam on two sides of the bending part; the bending part is fixedly connected with the end part of the beam column.

In one embodiment, the beam column is provided with mounting holes arranged along the extending direction of the beam column.

In one embodiment, the inner wall of the beam column is provided with a protrusion protruding along the axial direction of the beam column at a position corresponding to the mounting hole, and the protrusion extends along the axial direction of the beam column.

In one embodiment, the connecting member extends out of an extending portion towards the front direction of the vehicle, and the extending portion is provided with the bending portion and the connecting leg.

In one embodiment, an opening is formed in an edge of the bent portion of the extending portion facing the front direction of the vehicle, and the opening is an arc-shaped opening.

In one embodiment, the thickness of the connecting leg is greater than the thickness of the bending part.

In one embodiment, the connecting pins are provided with a plurality of fixing holes which are uniformly distributed.

In one embodiment, the beam-column is rectangular in cross-section.

In one embodiment, the beam column is connected with the connecting piece in a welding way;

the connecting piece is connected with the longitudinal beam through rivets.

An automobile including the frame rail structure according to any one of the above, the automobile comprising: the frame cross beam structure is arranged on one side, close to an engine compartment, of the longitudinal beam.

Above-mentioned frame cross beam structure is through the connecting piece that the center is buckled towards the crossbeam direction with beam column fixed mounting between the longeron, under the prerequisite of guaranteeing frame cross beam structural strength requirement, has shortened the length of beam column, has improved frame cross beam structure lightweight degree. Two connect the pipeline passageway that forms one and pass through the space around having between foot and kink, the pipeline of the crossbeam structure of car through this application need not to do the wire winding design or punch in order to pass through the crossbeam structure on the crossbeam structure of car, the laying of the car pipeline of being convenient for.

The automobile adopts the frame cross beam structure, has the characteristics of stable vehicle structure and light weight, and is beneficial to realizing the lightweight development of the automobile, so that the oil consumption or the power consumption is reduced, and the purposes of energy conservation and emission reduction are achieved.

Drawings

Fig. 1 is a schematic structural view of a frame cross member structure and a frame cross member structure disposed on a longitudinal beam in an automobile according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a cross-frame structure and a cross-frame structure in an automobile according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a frame rail structure and an automotive center sill pillar according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a frame rail structure and a connection member in an automobile according to an embodiment of the present invention;

in the figure: 110-beam column; 111-mounting holes; 112-a bump; 120-a connector; 121-connecting pin; 1211-a fixation well; 122-a bending part; 1221-transition section; 1222-a planar section; 123-an extension; 1231-opening; 200-longitudinal beams; 210-conventional beam structure.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms different from those described herein and similar modifications may be made by those skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not to be limited to the specific embodiments disclosed below.

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 orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for 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 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 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 skilled in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. 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.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1, fig. 1 shows a structural diagram of a frame cross beam structure and an automobile provided by an embodiment of the present invention, where the frame cross beam structure is disposed on a longitudinal beam 200, and the frame cross beam structure includes: a beam column 110 and a connecting member 120 at both ends of the beam column 110. The frame cross beam structure of the present application is disposed between a pair of longitudinally extending longitudinal beams 200 in a vehicle frame, a beam column 110 transversely extends between the longitudinal beams 200, two connecting members 120 are respectively fixedly connected to opposite ends of the beam column 110, and each connecting member 120 is used for being fixedly connected to a ventral surface of the longitudinal beam 200 on an adjacent side. As shown in fig. 1, the cross-member structure of the present application is disposed on the front side of the longitudinal member 200, and the rear side of the vehicle adopts a conventional cross-member structure 210 of a conventional structure, and the conventional cross-member structure 210 includes a cross-member body and four connecting plates, and the connecting plates connect the cross-member body to the ventral surface of the longitudinal member 200. Optionally, the frame cross member structure of the present application may also be disposed on one side of the longitudinal beam 200 in the vehicle rear direction or on the cross member of the longitudinal beam 200 in the front of the vehicle and on the cross member of the rear of the vehicle, which are not limited herein. Alternatively, one or more frame cross member structures may be installed in the vehicle frame, and the number of frame cross member structures is not limited herein.

As shown in fig. 2, fig. 2 shows a schematic structural diagram of a frame cross beam structure according to an embodiment of the present invention, and the beam column 110 is a hollow tubular structure, so that the frame cross beam structure of the present application is light in weight. The beam column 110 has a rectangular cross-section. Alternatively, the cross section of the beam column 110 may be designed to be circular, oval or other closed ring structure according to practical situations, and is not limited herein. The cross-section of beam column 110 is closed loop configuration, compares in beam column 110 that the cross-section is the I-shaped, when the frame cross beam structure lightweight of this application, can guarantee beam column 110's anti-torque performance. The beam column 110 all is equipped with mounting hole 111 towards the both sides of the car front direction and car rear direction, and mounting hole 111 can provide the mounting point and conveniently lay wire for whole car valve class, sensor class spare part, and mounting hole 111 evenly arranges along the horizontal extending direction of beam column 110. Optionally, the mounting holes 111 may be through hole threaded holes or blind hole threaded holes, and the number and positions of the mounting holes 111 may be flexibly adjusted according to actual conditions, so that the layout of the mounting holes 111 is beneficial to the installation of other devices of the automobile and the layout of pipelines. Alternatively, the mounting holes 111 on the front and rear sides of the beam-column 110 may be symmetrically arranged or asymmetrically arranged according to actual conditions. Optionally, the specific shape of the mounting hole 111 is not limited, and in some embodiments, the mounting hole 111 may be rectangular, circular, oval, etc.; in the present embodiment, the mounting hole 111 has a circular shape.

As shown in fig. 3, fig. 3 is a cross-sectional view of a beam column 110 in a cross-frame structure according to an embodiment of the present invention, the beam column 110 is a hollow square tubular structure, a protrusion 112 extending along the extending direction of the beam column 110 is disposed at a position corresponding to an inner wall of the beam column 110 and a mounting hole 111, and a wall thickness of the beam column 110 at the position of the protrusion 112 is greater than a wall thickness of the beam column 110 at other positions. The 110 wall thickness of beam column at the corresponding position of mounting hole 111 adopts the thickening design to make the mounting point of car installation valve class, sensor class spare part more firm, when satisfying installation base face intensity demand principle, do not thicken the 110 wall thickness of beam column of other circumferential directions, realized the lightweight demand of frame cross beam structure of this application. The protrusion 112 is disposed on the inner wall of the beam column 110, that is, the surface of the beam column 110 is still a smooth and flat square column structure, which provides a flat mounting base for mounting components such as valves and sensors, and the protrusion 112 is disposed in the hollow inner space of the beam column 110 to make the beam column 110 small in overall size. Further, the beam column 110 is cast by aluminum alloy, the density of the aluminum alloy is low, and the strength of the frame cross beam structure is ensured while the light weight is met; the aluminum alloy casting process can meet the process requirement of thickening the wall thickness of the beam column 110 part, and has the advantages of simple die and low cost.

The opposite both ends of beam column 110 respectively are equipped with a connecting piece 120, and connecting piece 120 is the platelike structure of buckling, as shown in fig. 4, fig. 4 shows according to the utility model discloses a cross-sectional view of connecting piece 120 in the frame crossbeam structure that embodiment provided, and the cross-section of connecting piece 120 is "nearly" style of calligraphy, and the one side that just keeps away from beam column 110 at both ends about connecting piece 120 is in same vertical plane to form the connecting foot 121 with longeron 200 looks fixed connection. The middle of the connecting member 120 connected to the beam column 110 is bent toward the beam column 110 to form a bent portion 122, so that a pipeline passage having a front and rear passing space is formed between the two connecting legs 121 and the bent portion 122. Because the bending part 122 is bent towards the beam column 110, the length of the beam column 110 is shortened, and the light weight degree of the frame cross beam structure is further improved. The pipeline channel is intended to receive and pass through a pipeline, so that the pipeline can run along the longitudinal extension of the stringer 200. For traditional beam structure, the pipeline through the beam structure of this application need not to do the wire winding design or punch in order to pass through beam structure at beam structure. The bent portion 122 of the connecting member 120 facilitates the arrangement of the pipeline while meeting the structural strength requirement of the frame cross member. Because the convenient characteristic that sets up the pipeline of frame crossbeam structure of this application, again because of the pipeline that extends from the engine compartment is more, generally with this application setting in the frame be close to one side of engine, the front side crossbeam of the car of leading engine overall arrangement adopts the frame crossbeam structure of this application promptly, or the rear side crossbeam of the car of rear engine overall arrangement adopts the frame crossbeam structure of this application. Further, the connecting legs 121 and the bent portions 122 of the connecting member 120 are designed to have variable thicknesses, that is, the thicknesses of the connecting legs 121 and the bent portions 122 are different while satisfying the requirement of structural strength. In the present embodiment, the thickness of the connecting leg 121 is greater than that of the bent portion 122. The thickness-variable design reduces the weight of the connecting piece 120 on the basis of meeting the strength requirement, indirectly reduces the overall weight of the automobile, realizes the lightweight development of the automobile and saves the energy. Furthermore, the connecting leg 121 is provided with a plurality of fixing holes 1211 along the longitudinal extension direction of the longitudinal beam 200, the fixing holes 1211 are uniformly arranged along the longitudinal extension direction of the longitudinal beam 200, and the rivet passes through the fixing holes 1211 on the connecting member 120 to be riveted with the longitudinal beam 200.

The bent portion 122 includes a transition section 1221 inclined at the upper and lower ends and a middle vertically extending plane section 1222, the transition section 1221 connects the plane section 1222 with the connecting member 120, and the vertically extending plane section 1222 is fixedly connected with the end surface of the beam column 110. The beam column 110 and the plane section 1222 adopt a welding connection process, and the process manufacturing difficulty is low. In this embodiment, the transition angle between the transition segment 1221 and the connecting leg 121 and the planar segment 1222 is an angular angle, and the transition angle between the transition segment 1221 and the connecting leg 121 and the planar segment 1222 may be an arc angle, which is not limited herein.

As shown in fig. 2, the connecting member 120 further includes an extending portion 123 extending toward the front direction of the automobile, the extending portion 123 also has a bending portion 122 and a connecting leg 121, and the structure of the extending portion 123 is the same as the main structure of the connecting member 120. The extension 123 makes the length of the connecting member 120 of the beam column 110 toward the vehicle front direction side longer than the length of the connecting member 120 of the beam column 110 toward the vehicle rear direction side, so that the connecting member 120 of the extension 123 side has higher structural strength and longer connecting leg 121 connected to the side member 200. The extension part 123 enables the frame cross beam structure to bear higher torsional force and tensile and compressive stress when the vehicle faces emergency braking or even front side collision during driving, so as to ensure the overall stability and structural integrity of the frame cross beam structure. Further, the edge of the plane section 1222 facing the front direction of the vehicle is provided with an opening 1231, the opening 1231 has a weight reduction effect, the structural strength of the frame cross beam structure is enhanced by the extension portion 123, meanwhile, the material cost of the frame cross beam structure is effectively reduced by the opening 1231, the weight of the frame cross beam structure is further reduced, the overall weight of the vehicle is indirectly reduced, the lightweight development of the vehicle is realized, and the use of energy is saved. Further, the opening 1231 is an arc-shaped opening, so that the overall stress of the connecting member 120 is uniform.

Embodiments of the present application also provide an automobile including a frame rail structure as described above. The automobile becomes one of indispensable vehicles in modern society, and the frame cross beam structure is used as an important component of an automobile frame and mainly used for bearing high torsion and tensile and compressive stress and mounting parts such as valves and sensors. The automobile with the frame cross beam structure has the characteristics of stable automobile structure and light weight, and contributes to realizing the lightweight development of the automobile, so that the oil consumption or the power consumption is reduced, and the purposes of energy conservation and emission reduction are achieved.

All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A frame rail structure, characterized in that the frame rail structure comprises:

the beam column is of a hollow tubular structure;

connecting members provided at opposite ends of the beam column; the connecting piece is the platelike structure of a few font for the cross-section, the connecting piece includes: the connecting device comprises a bending part bent towards the beam column direction and connecting legs fixedly connected with the longitudinal beam on two sides of the bending part; the bending part is fixedly connected with the end part of the beam column.

2. The frame rail structure according to claim 1, wherein the beam is provided with a plurality of mounting holes arranged along the extending direction of the beam.

3. The frame rail structure according to claim 2, wherein a projection projecting in a direction of an axis of the pillar is provided on the inner wall of the pillar at a position corresponding to the mounting hole, the projection extending in a direction of the axis of the pillar.

4. The frame rail structure according to claim 1, wherein the connecting member extends in a front direction of the vehicle to form an extending portion, and the extending portion has the bent portion and the connecting leg.

5. The cross-vehicle frame structure according to claim 4, wherein an opening is formed in an edge of the bent portion of the extending portion facing the front direction of the vehicle, and the opening is an arc-shaped opening.

6. The frame rail structure according to claim 1, wherein a thickness of the connecting leg is larger than a thickness of the bent portion.

7. The frame rail structure of claim 1, wherein the connecting leg has a plurality of evenly spaced fastening holes.

8. The frame rail structure according to claim 1, wherein the cross section of the beam column is rectangular.

9. The frame rail structure according to claim 1, wherein the beam column is welded to the connecting member;

the connecting piece is connected with the longitudinal beam through rivets.

10. A vehicle comprising the frame rail structure according to any one of claims 1 to 9, said vehicle comprising: the frame cross beam structure is arranged on one side of the longitudinal beam close to the engine compartment.