Bottom plate structure of automobile rear cross beam

Abstract

The utility model relates to an automobile rear cross beam bottom plate structure which comprises two parallel connecting plates which are arranged in a spaced mode in the first direction perpendicular to the plane of the two connecting plates. The bottom plate is perpendicular to the connecting plate, and the bottom plate and the connecting plate are arranged in a spaced mode in the second direction perpendicular to the plane of the bottom plate; the bottom plate is connected with the two connecting plates through one connecting assembly, each connecting assembly comprises a supporting piece, an elastic piece and a connecting piece, the supporting pieces are connected to the connecting plates, the connecting pieces are connected with the supporting pieces and the bottom plate, the bottom plate can move relative to the connecting plates in the second direction, the elastic pieces are arranged between the supporting pieces and the bottom plate, and the elastic pieces are connected with the connecting pieces. The bottom plate overcomes the elastic force of the elastic piece when moving close to the connecting plate in the second direction. When the bottom plate is impacted and moves close to the rear cross beam, impact energy is absorbed through the elastic piece, the buffering effect is achieved, the impact force transmitted to the rear cross beam is weakened, the impact force borne by the rear cross beam is reduced, and the protection effect of the bottom plate on the rear cross beam is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts, and particularly relates to a structure of an automobile rear crossbeam bottom plate. Background Art

[0002] Most parts and assemblies of an automobile are connected through a vehicle frame, such as an engine, a transmission system, a suspension, a steering system, a cab, a cargo box and related operating mechanisms. The vehicle frame plays a role in supporting and connecting various automobile parts and bears various loads from inside and outside the vehicle. The vehicle frame generally consists of two longitudinal beams and a plurality of crossbeams connected between the two longitudinal beams. The crossbeams are divided into a front crossbeam, a middle crossbeam and a rear crossbeam according to their positions.

[0003] A bottom plate is usually arranged at the bottom of an automobile crossbeam. The bottom plate plays a role in blocking objects under the vehicle, preventing the objects under the vehicle from directly impacting the crossbeam during the driving of the vehicle, thereby protecting the crossbeam. The bottom plate and the crossbeam are usually rigidly connected. The impact force received by the bottom plate is ultimately transmitted to the crossbeam. When the impact force is large, the bottom plate cannot absorb the impact force well, and the protective effect of the bottom plate on the crossbeam is limited. Content of the Utility Model

[0004] Based on the above description, the utility model provides a structure of an automobile rear crossbeam bottom plate to solve the problem in the related art that the bottom plate and the crossbeam are rigidly connected, the impact force received by the bottom plate is ultimately transmitted to the crossbeam, when the impact force is large, the bottom plate cannot absorb the impact force well, and the protective effect of the bottom plate on the crossbeam is limited.

[0005] The technical solution of the utility model to solve the above technical problems is as follows:

[0006] The present application provides a structure of an automobile rear crossbeam bottom plate, and the technical solution adopted is as follows:

[0007] A structure of an automobile rear crossbeam bottom plate includes:

[0008] Two connecting plates that are parallel to each other, and the two connecting plates are arranged at intervals in a first direction perpendicular to their planes;

[0009] A bottom plate, the bottom plate is perpendicular to the connecting plates, and the bottom plate and the connecting plates are arranged at intervals in a second direction perpendicular to the plane of the bottom plate;

[0010] Two connecting components, the bottom plate and the two connecting plates are respectively connected through a connecting component. The connecting component includes a support member, an elastic member and a connecting member. The support member is connected to the connecting plate, the connecting member connects the support member and the bottom plate, and enables the bottom plate to move relative to the connecting plate in the second direction. The elastic member is arranged between the support member and the bottom plate, and the bottom plate overcomes the elastic force of the elastic member when moving close to the connecting plate in the second direction.

[0011] Preferably, the connecting member includes a connecting rod, the axis of the connecting rod is parallel to the second direction, the connecting rod passes through the bottom plate and the support member and can move axially relative to the bottom plate and the support member, and limiting members are respectively connected to both ends of the connecting rod. The bottom plate and the support member are located between the two limiting members, and the limiting members prevent the connecting rod from detaching from the bottom plate and the support member.

[0012] Preferably, the connecting rod is a screw rod, and the limiting members include nuts threadedly assembled on the connecting rod.

[0013] Preferably, the elastic member includes a compression spring, the compression spring is coaxially sleeved outside the connecting rod, and both ends of the compression spring are respectively abutted against the support member and the bottom plate.

[0014] Preferably, side plates parallel to the connecting plate are respectively connected to both sides of the bottom plate in the first direction, and the connecting assembly is located between the side plates and the connecting plate in the first direction.

[0015] Preferably, an elastic buffer block is provided on one side of the bottom plate close to the connecting plate, and the elastic buffer block is located between the two connecting plates in the first direction.

[0016] Preferably, a plurality of water leakage holes are provided on the bottom plate.

[0017] Compared with the prior art, the technical solution of the present application has at least the following beneficial technical effects:

[0018] In the present application, a connecting plate and a bottom plate are provided. The connecting plate is connected to both sides of the rear cross beam, and the bottom plate is connected to the connecting plate through a connecting assembly, so that when the connecting plate is connected to the rear cross beam, the bottom plate is located at the bottom of the rear cross beam and covers the rear cross beam. At this time, the bottom plate can protect the rear cross beam. In the connecting assembly, the connecting member connects the support member and the bottom plate, realizes the connection between the bottom plate and the connecting plate, and enables the bottom plate to move relative to the connecting plate along the second direction. The elastic member provides resistance for the bottom plate to move closer to the connecting plate along the second direction. Therefore, when the bottom plate is impacted and moves closer to the rear cross beam, the impact energy is absorbed by the elastic member, thereby playing a buffering role, weakening the impact force transmitted to the rear cross beam, reducing the impact force received by the rear cross beam, improving the protection effect on the rear cross beam, and ensuring the protection effect of the bottom plate on the rear cross beam. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural view of the structure of the rear cross beam bottom plate of the embodiment of the present utility model;

[0020] Figure 2 is a partial structural view of the structure of the rear cross beam bottom plate of the embodiment of the present utility model.

[0021] In the attached drawings, the components represented by each reference numeral are as follows:

[0022] 1. Connecting plate; 2. Bottom plate; 3. Connecting structure; 31. Support block; 32. Compression spring; 33. Connecting rod; 34. Nut; 4. Side plate; 5. Baffle; 6. Enclosing plate; 7. Elastic buffer block. Specific embodiments

[0023] To facilitate the understanding of the present application, the present application will be described more comprehensively below with reference to the relevant attached drawings. Embodiments of the present application are shown in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present application more thorough and comprehensive.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs. The terms used in the specification of this application herein are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0025] It can be understood that spatial relationship terms such as "under", "below", "lower", "beneath", "above", "upper", etc. can be used herein to describe the relationship between one element or feature shown in the drawings and other elements or features. It should be understood that in addition to the orientation shown in the drawings, spatial relationship terms also include different orientations of the devices during use and operation. For example, if the device in the drawing is flipped, an element or feature described as "under other elements" or "beneath it" or "under it" will be oriented "above" other elements or features. Therefore, the exemplary terms "under" and "below" can include both the upper and lower orientations. In addition, the device can also include other orientations (such as rotating 90 degrees or other orientations), and the spatial descriptive terms used herein are accordingly interpreted.

[0026] It should be noted that when an element is considered to be "connected" to another element, it can be directly connected to the other element or connected to the other element through an intermediate element. In the following embodiments, "connection", if there is an electrical signal or data transfer between the connected circuits, modules, units, etc., should be understood as "electrical connection", "communication connection", etc.

[0027] As used herein, the singular forms "a", "an" and "the" may also include the plural forms unless the context clearly dictates otherwise. It should also be understood that the terms "comprising", "including" or "having", etc. specify the presence of the stated features, integers, steps, operations, components, parts or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts or combinations thereof.

[0028] Referring to Figure 1-2 As shown, an embodiment of the present application provides an automotive rear crossmember bottom plate structure, which includes two connecting plates 1 and a bottom plate 2. The two connecting plates 1 are parallel to each other, and the two connecting plates 1 are parallel to each other and are spaced apart in a first direction perpendicular to their planes. The bottom plate 2 is perpendicular to the connecting plate 1, and the bottom plate 2 and the connecting plate 1 are spaced apart in a second direction perpendicular to the plane of the bottom plate 2.

[0029] Specifically, the two connecting plates 1 are used to be connected to both sides of the rear crossmember in the vehicle body length direction. Correspondingly, holes for bolts to pass through are provided on the connecting plates 1, and the connecting plates 1 are fixed to the rear crossmember by bolts. The two connecting plates 1 and the bottom plate 2 both extend along the crossmember length direction. During installation, the connecting plates 1 are connected to both sides of the rear crossmember, and the bottom plate 2 is connected to the connecting plates 1 through a connecting component, so that when the connecting plates 1 are connected to the rear crossmember, the bottom plate 2 is located at the bottom of the rear crossmember and covers the rear crossmember. At this time, the bottom plate 2 can protect the rear crossmember.

[0030] Referring to Figure 1-2 As shown, wherein the connecting structure 3 includes a support member, an elastic member and a connecting member. The support member is connected to the connecting plate 1, the connecting member connects the support member and the bottom plate 2, and enables the bottom plate 2 to move relative to the connecting plate 1 in the second direction. The elastic member is disposed between the support member and the bottom plate 2, and the bottom plate 2 overcomes the elastic force of the elastic member when moving close to the connecting plate 1 in the second direction. Specifically, when the connecting plate 1 is connected to the rear crossmember, a gap is maintained between the bottom plate 2 and the rear crossmember, so that the bottom plate 2 can move relative to the rear crossmember. When the bottom plate 2 is impacted and moves close to the rear crossmember, the elastic member absorbs the impact energy, thereby playing a buffering role, weakening the impact force transmitted to the rear crossmember, reducing the impact force received by the rear crossmember, improving the protection effect on the rear crossmember, and thus ensuring the protection function of the bottom plate 2 for the rear crossmember.

[0031] Referring to Figure 1-2As shown, the support member is connected to the side of the connecting plate 1 away from the other connecting plate 1, so that the connecting plate 1 can be closely attached to the rear crossbeam to improve the connection strength. The support member can be a support block 31 or a support plate parallel to the bottom plate 2. In this embodiment, the support block 31 is used for illustration. The connecting member includes a connecting rod 33, whose axis is parallel to the second direction. The connecting rod 33 passes through the bottom plate 2 and the support member and can move axially relative to the bottom plate 2 and the support member. Both ends of the connecting rod 33 are respectively connected with limiting members. The bottom plate 2 and the support member are located between the two limiting members, and the limiting members prevent the connecting rod 33 from detaching from the bottom plate 2 and the support member. Specifically, the connecting rod 33 can be a screw rod, and the limiting members include nuts 34 threadedly assembled on the connecting rod 33. Correspondingly, holes for the connecting rod 33 to pass through are provided on both the support member and the bottom plate 2. The connecting rod 33 plays a role in connecting the bottom plate 2 and the connecting plate 1. At the same time, the connecting rod 33 also guides the bottom plate 2 to improve the stability of the installation of the bottom plate 2, and the connecting rod 33 being a screw rod is convenient for assembly.

[0032] Furthermore, in some embodiments, the bottom plate 2 and each connecting plate 1 can be connected by a plurality of connecting components. Correspondingly, the plurality of connecting components between each connecting rod 33 and the bottom plate 2 are arranged at intervals along the length direction of the bottom plate 2, that is, the length direction of the rear crossbeam, so as to improve the connection strength and stability between the bottom plate 2 and the connecting plate 1.

[0033] Refer to Figure 1-2 As shown, the elastic member can be a compression spring 32. The compression spring 32 is coaxially sleeved outside the connecting rod 33, and both ends of the compression spring 32 are respectively abutted against the support member and the bottom plate 2. During installation, the distance between the two nuts 34 on the connecting rod 33 is adjusted so that the bottom plate 2 and the support member are in contact with the compression spring 32, and the compression spring 32 is kept in an elastically deformed state, so that the compression spring 32 can quickly absorb the impact force when the bottom plate 2 moves.

[0034] Refer to Figure 1-2 As shown, to prevent sundries from affecting the normal deformation of the compression spring 32, side plates 4 parallel to the connecting plate 1 are respectively connected to both sides of the bottom plate 2 in the first direction. The connecting components are located between the side plates 4 and the connecting plate 1 in the first direction. Specifically, the two connecting plates 1 are located between the two side plates 4 in the first direction. In this way, the side plates 4 can block the sundries under the vehicle bottom, preventing the compression spring 32 from being stuck by sundries and affecting its normal deformation ability, so that the compression spring 32 plays a good buffering role. In this embodiment, the bottom plate 2 and the side plates 4 are integrally formed, and the side plates 4 are formed by bending the bottom plate 2.

[0035] Refer to Figure 1-2As shown, a baffle 5 parallel to the bottom plate 2 is connected to the connecting plate 1. The baffle 5 is located on the side where the two connecting plates 1 are away from each other, and the connecting component is located between the baffle 5 and the bottom plate 2. The baffle 5 and the side plate 4 are spaced apart in the second direction, so that the bottom plate 2 can move relative to the connecting plate 1 in the second direction. The side of the baffle 5 away from the connecting plate 1 is bent towards the bottom plate 2 to form a surrounding plate 6 parallel to the connecting plate 1. The two connecting plates 1 are located between the two surrounding plates 6 in the first direction, and the projections of the surrounding plate 6 and the side plate 4 on the connecting plate 1 intersect. In this way, the cooperation of the baffle 5, the surrounding plate 6 and the side plate 4 can further prevent sundries from entering the inside of the bottom plate 2, avoid the compression spring 32 from being stuck by sundries, and ensure the protective effect of the bottom plate 2 on the rear crossbeam.

[0036] Referring to Figure 1-2 As shown, to further improve the ability of the bottom plate 2 structure to absorb impact force, an elastic buffer block 7 is provided on the side of the bottom plate 2 close to the connecting plate 1. The elastic buffer block 7 is located between the two connecting plates 1 in the first direction. Specifically, the elastic buffer block 7 can be made of a rubber block, and multiple of them are arranged at intervals on the plane of the bottom plate 2. When the bottom plate 2 is impacted and moves closer to the rear crossbeam, while the impact energy is absorbed by the deformation of the compression spring 32, when the bottom plate 2 moves to contact the elastic buffer block 7 and the rear crossbeam, the impact force can be further absorbed through the elastic deformation of the elastic buffer block 7, and the impact force transmitted to the rear crossbeam can be further reduced, better protecting the rear crossbeam.

[0037] A plurality of water leakage holes are provided on the bottom plate 2, and the water entering between the bottom plate 2 and the rear crossbeam can leak out through the water leakage holes, preventing water accumulation and at the same time reducing the weight of the bottom plate 2.

[0038] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A rear crossbeam bottom plate structure of an automobile, characterized in that: include: Two connecting plates (1) parallel to each other, the two connecting plates (1) being arranged at intervals along a first direction perpendicular to their planes; A bottom plate (2), the bottom plate (2) being perpendicular to the connecting plate (1), and the bottom plate (2) and the connecting plate (1) being arranged at intervals along a second direction perpendicular to the plane of the bottom plate (2); Two connecting components, the base plate (2) and the two connecting plates (1) are connected via a connecting component respectively, the connecting components comprising a supporting member, an elastic member and a connecting member, the supporting member is connected to the connecting plate (1), the connecting member connects the supporting member and the base plate (2) and enables the base plate (2) to move relative to the connecting plate (1) in a second direction, the elastic member is arranged between the supporting member and the base plate (2), and when the base plate (2) moves along the second direction close to the connecting plate (1), the elastic force of the elastic member is overcome.

2. The automobile rear cross beam bottom plate structure according to claim 1, characterized in that: The connecting member comprises a connecting rod (33), the axis of the connecting rod (33) is parallel to the second direction, the connecting rod (33) passes through the base plate (2) and the support member and can move relative to the base plate (2) and the support member in the axial direction, and the two ends of the connecting rod (33) are respectively connected to limiting members, the base plate (2) and the support member are located between the two limiting members, and the limiting members limit the connection rod (33) from being separated from the base plate (2) and the support member.

3. The automobile rear cross beam bottom plate structure according to claim 2, characterized in that: The connecting rod (33) is a screw rod, and the limiting member comprises a nut (34) threadedly assembled on the connecting rod (33).

4. The automobile rear cross beam bottom plate structure according to claim 2, characterized in that: The elastic member comprises a compression spring (32), the compression spring (32) is coaxially sleeved outside the connecting rod (33), and two ends of the compression spring (32) are respectively in contact with the supporting member and the bottom plate (2).

5. The automobile rear cross beam bottom plate structure according to claim 1, characterized in that: The bottom plate (2) is respectively connected to side plates (4) parallel to the connecting plate (1) on both sides in the first direction, and the connecting assembly is located between the side plates (4) and the connecting plate (1) in the first direction.

6. The automobile rear cross beam bottom plate structure according to claim 1, characterized in that: An elastic buffer block (7) is provided on one side of the bottom plate (2) close to the connecting plate (1); the elastic buffer block (7) is located between the two connecting plates (1) in a first direction.

7. The automobile rear cross beam bottom plate structure according to claim 1, characterized in that: The bottom plate (2) is provided with a plurality of water leakage holes.

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