A composite beam assembly and off-road vehicle frame

Abstract

The application provides a combined beam assembly and an off-road vehicle frame thereof, and the combined beam assembly comprises a box-shaped support beam and two supports; the box-shaped support beam comprises a bottom plate, two first vertical plates and a top plate; the two first vertical plates are vertically connected to the bottom plate and are distributed on the circumferential side of the bottom plate; the top plate is connected to the two first vertical plates and encloses the two first vertical plates and the bottom plate to form the box-shaped support beam; at this time, the load capacity and the connection strength of the combined beam assembly are improved through the box-shaped support beam, and the two supports are arranged on the two sides of the box-shaped support beam and are used for connecting left and right longitudinal beams, so that the left and right longitudinal beams are connected through the combined beam assembly, the left and right longitudinal beams are reinforced, the overall load capacity of the combined beam assembly, the left longitudinal beam and the right longitudinal beam is improved, and in addition, the two supports are detachably connected to the bottom plate, and the connection between each support and the bottom plate is arranged on the outer side of the first vertical plate.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of combined beam assemblies, and particularly relates to a combined beam assembly and an off-road vehicle frame. BACKGROUND

[0002] With the development of technology, off-road vehicles are gradually applied to people's lives, and off-road vehicle mountain climbing is one of the play items. The main body of the off-road vehicle is mainly composed of a frame. The off-road vehicle frame includes a cross beam, a left longitudinal beam and a right longitudinal beam. The left longitudinal beam and the right longitudinal beam are arranged along the left-right direction at intervals. The cross beam is connected to the left longitudinal beam and the right longitudinal beam and fixes the left longitudinal beam and the right longitudinal beam. The two ends of the cross beam are respectively welded to the left longitudinal beam and the right longitudinal beam. The stability of the left longitudinal beam and the right longitudinal beam is ensured by increasing the self-weight of the cross beam. At this time, the cross beam is a die casting and has a certain weight. However, the existing cross beam increases the self-weight based on the filling of the inner cavity with material. The existing cross beam is welded to the left longitudinal beam and the right longitudinal beam, and it is inconvenient to replace the parts of the existing cross beam. SUMMARY

[0003] The embodiments of the present application provide a combined beam assembly and an off-road vehicle frame to solve the problem that it is inconvenient to replace the parts of the existing cross beam.

[0004] In a first aspect, the embodiments of the present application provide a combined beam assembly, comprising:

[0005] A box-shaped support beam comprises a bottom plate, two first vertical plates and a top plate. The two first vertical plates are connected to the bottom plate vertically and are distributed on the circumferential side of the bottom plate. The top plate is connected to the two first vertical plates and, together with the two first vertical plates and the bottom plate, encloses the box-shaped support beam.

[0006] Two supports are arranged on the two sides of the box-shaped support beam and are used to connect the left longitudinal beam and the right longitudinal beam. The two supports are detachably connected to the bottom plate. The connection between each support and the bottom plate is arranged on the outside of the first vertical plate.

[0007] Optionally, the two ends of the bottom plate are bent upward to form two bending portions, and the two bending portions are arranged oppositely. The left side wall and the right side wall in the first vertical plate are respectively connected to the two bending portions. The lower side wall and the upper side wall in the first vertical plate are respectively connected to the bottom plate and the top plate.

[0008] Optionally, the first vertical plate is close to the outer edge of the bottom plate. The support is connected to the bottom plate through a first bolt. The first bolt is arranged on the side of the first vertical plate facing the outer edge of the bottom plate.

[0009] Optionally, the first vertical plate is provided with a plurality of weight reduction holes. The plurality of weight reduction holes are symmetrically arranged and are connected to the inner cavity of the box-shaped support beam.

[0010] Optionally, the bottom plate is provided with a drainage hole, the drainage hole is communicated with the inner cavity of the box-shaped support beam, and the plurality of lightening holes are communicated through the inner cavity of the box-shaped support beam.

[0011] Optionally, each of the supports is provided with a clamping groove; when the two supports are oppositely arranged, the two clamping grooves are oppositely arranged along the length direction of the box-shaped support beam, and the two ends of the box-shaped support beam are clamped together.

[0012] Optionally, the support is arranged in a box shape, and the support comprises:

[0013] a bent plate arranged in a trapezoidal shape; an upper end surface of the bent plate is provided with the clamping groove;

[0014] a plurality of second vertical plates in the inner cavity of the bent plate and connected to the inner side wall of the bent plate; the plurality of second vertical plates are arranged at intervals along the width direction of the bent plate, and the bent plate and the plurality of second vertical plates together form the support.

[0015] Optionally, the second vertical plate is close to the outer edge of the bent plate, the bent plate is connected to the left longitudinal beam or the right longitudinal beam through a second bolt, and the second bolt is arranged on the side of the second vertical plate facing the outer edge of the bent plate.

[0016] Optionally, the bent plate is provided with a first bent portion and a second bent portion, the first bent portion and the second bent portion are arranged in steps, and the first bent portion and the second bent portion are connected to the left longitudinal beam or the right longitudinal beam through the second bolt.

[0017] In a second aspect, the embodiments of the present application provide an off-road vehicle frame comprising the combined beam assembly.

[0018] The combined beam assembly and the off-road vehicle frame provided by the embodiments of the present application have the following beneficial effects: the box-shaped support beam comprises a bottom plate, two first vertical plates and a top plate; the two first vertical plates are vertically connected to the bottom plate and are distributed on the circumferential side of the bottom plate; the top plate is connected to the two first vertical plates and encloses the two first vertical plates and the bottom plate to form the box-shaped support beam; the load-carrying capacity and the connection strength of the combined beam assembly are improved through the box-shaped support beam; the left longitudinal beam and the right longitudinal beam are connected through the combined beam assembly, and the left longitudinal beam and the right longitudinal beam are reinforced, thereby improving the overall load-carrying capacity of the combined beam assembly, the left longitudinal beam and the right longitudinal beam; in addition, the two supports are detachably connected to the bottom plate, the connection between each support and the bottom plate is arranged on the outer side of the first vertical plate, so that sufficient space is left for the detachable connection of the two supports and the bottom plate, the component replacement of the combined beam assembly is realized while ensuring the connection stability of the left longitudinal beam and the right longitudinal beam, and the disassembly and assembly of the combined beam assembly relative to the left longitudinal beam and the right longitudinal beam are realized. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments description will be briefly introduced. Obviously, the drawings in the following description only represent some of the embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0020] In order to more completely understand the present application and its beneficial effects, the following will be described with reference to the drawings. In the following description, the same reference numbers represent the same parts.

[0021] Fig. 1 The connection state diagram of the composite beam assembly provided by the embodiments of the present application.

[0022] Fig. 2 The front view of the composite beam assembly provided by the embodiments of the present application.

[0023] Fig. 3 The perspective view of the composite beam assembly provided by the embodiments of the present application. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments only represent some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without any creative effort belong to the scope of protection of the present application.

[0025] The embodiments of the present application provide a composite beam assembly 100 and an off-road vehicle frame to solve the problem of inconvenience in replacing the components of the existing cross beam.

[0026] Reference Figs. 1 to 3 The embodiments of the present application provide a composite beam assembly 100, which includes a box-shaped support beam 10, two supports 20 arranged on both sides of the box-shaped support beam 10 and used to connect a left longitudinal beam 200 and a right longitudinal beam 300. At this time, the composite beam assembly 100 connects the left longitudinal beam 200 and the right longitudinal beam 300 through the box-shaped support beam 10 and the supports 20.

[0027] The box-shaped support beam 10 is the main support component of the composite beam assembly 100 and supports the two supports 20. The box-shaped support beam 10 includes a bottom plate 11, two first vertical plates 12 and a top plate 13.

[0028] The two first vertical plates 12 are vertically connected to the bottom plate 11 and are distributed on the circumferential side of the bottom plate 11; the top plate 13 is connected to the two first vertical plates 12 and is surrounded by the two first vertical plates 12 and the bottom plate 11 to form the box-shaped support beam 10, at this time, the outer contour of the box-shaped support beam 10 is in a box shape, forming a closed box-shaped part, and the bottom plate 11, the two first vertical plates 12 and the top plate 13 support each other to ensure the load-bearing capacity and connection capacity of the box-shaped support beam 10, and improve the torsional performance and bending performance of the box-shaped support beam 10.

[0029] In addition, the load-bearing capacity and connection strength of the combined beam assembly 100 are improved by the box-shaped support beam 10, and the two supports 20 are arranged on the two sides of the box-shaped support beam 10 and are used to connect the left longitudinal beam 200 and the right longitudinal beam 300, so as to realize the connection of the left longitudinal beam 200 and the right longitudinal beam 300 by the combined beam assembly 100, and the reinforcement between the left longitudinal beam 200 and the right longitudinal beam 300, thereby improving the overall load-bearing capacity of the combined beam assembly 100, the left longitudinal beam 200 and the right longitudinal beam 300, and realizing the overall force balance of the off-road vehicle frame.

[0030] Optionally, the two ends of the bottom plate 11 are upwardly bent to have two bent portions 111, and the two bent portions 111 are oppositely arranged; the left side wall and the right side wall in the first vertical plate 12 are respectively connected to the two bent portions 111, and the lower side wall and the upper side wall in the first vertical plate 12 are respectively connected to the bottom plate 11 and the top plate 13, at this time, the side walls of the first vertical plate 12 are respectively connected to the bent portions 111, the bottom plate 11 and the top plate 13, and form a closed box-shaped part with the bent portions 111, the bottom plate 11 and the top plate 13, so as to improve the torsional performance and bending performance of the box-shaped support beam 10.

[0031] Optionally, the first vertical plate 12 is provided with a plurality of lightening holes 121, and the plurality of lightening holes 121 are symmetrically arranged and communicate with the inner cavity of the box-shaped support beam 10, at this time, the overall weight of the box-shaped support beam 10 is reduced through the plurality of lightening holes 121 and the inner cavity of the box-shaped support beam 10, and the strength of the box-shaped support beam 10 is ensured, so as to realize the lightweight design.

[0032] The bottom plate 11 is provided with a drainage hole 112, which communicates with the inner cavity of the box-shaped support beam 10 and communicates with the plurality of lightening holes 121 through the inner cavity of the box-shaped support beam 10, at this time, the drainage hole 112 arranged on the bottom plate 11 communicates with the inner cavity of the box-shaped support beam 10 and drains the water in the inner cavity of the box-shaped support beam 10, avoiding water accumulation in the inner cavity of the box-shaped support beam 10 and avoiding corrosion, thereby improving the service life of the box-shaped support beam 10.

[0033] The first vertical plate 12 is close to the outer edge of the bottom plate 11, the support 20 is connected to the bottom plate 11 through the first bolt 30, the first bolt 30 is arranged on the side of the first vertical plate 12 towards the outer edge of the bottom plate 11, at this time, the first bolt 30 is in the space of the first vertical plate 12 towards the outer edge of the bottom plate 11 and on the outer side of the first vertical plate 12, so that the first bolt 30 has sufficient space to be separated from the bottom plate 11, thereby facilitating the disassembly and replacement of the support 20 relative to the bottom plate 11.

[0034] The two supports 20 are detachably connected to the bottom plate 11, and the connection between each support 20 and the bottom plate 11 is arranged on the outer side of the first vertical plate 12, so that the two supports 20 are respectively separated from the bottom plate 11, thereby facilitating the disassembly and replacement of the two supports 20 relative to the bottom plate 11. Alternatively, the two supports 20 are connected to the bottom plate 11 through the first bolt 30.

[0035] Each support 20 is provided with a clamping groove 20a; when the two supports 20 are arranged opposite to each other, the two clamping grooves 20a are arranged opposite to each other along the length direction of the box-shaped support beam 10 and jointly clamp the two end portions of the box-shaped support beam 10, at this time, the box-shaped support beam 10 is located between the two clamping grooves 20a and is positioned and connected with each support 20, so that the adjacent two side walls of the box-shaped support beam 10 are respectively connected to the two side walls of the clamping groove 20a, realizing position limitation in multiple directions and ensuring the connection effect of the box-shaped support beam 10 and each support 20.

[0036] The support 20 comprises a plurality of second vertical plates 22 and a bent plate 21 connected thereto. The bent plate 21 is arranged in a trapezoidal shape; the upper end face of the bent plate 21 is provided with a clamping groove 20a, which is positioned and connected with the box-shaped support beam 10.

[0037] The bent plate 21 is provided with a first bent portion 211 and a second bent portion 212, which are arranged in a stepped manner and connected to the left or right longitudinal beam 200 or 300 through the second bolt 40, at this time, the first bent portion 211 and the second bent portion 212 are connected to the stepped faces of the left or right longitudinal beam 200 or 300 respectively, and realize the connection of multiple side faces, which ensures that the bent plate 21 fully utilizes the connection with the stepped face of the left or right longitudinal beam 200 or 300 on the basis of completing the box-shaped design, and ensures the connection strength of the support 20 and the left or right longitudinal beam 200 or 300.

[0038] The plurality of second vertical plates 22 are located in the inner cavity of the bent plate 21 and connect the inner side walls of the bent plate 21; the plurality of second vertical plates 22 are arranged in a spaced manner along the width direction of the bent plate 21 and are enclosed with the bent plate 21 to form the support 20, at this time, the support 20 is arranged in a box shape, fully utilizes the advantages of box-shaped design, and together with the box-shaped support beam 10 forms a composite beam assembly 100, which ensures the strength and torsional performance of the composite beam assembly 100 as a whole.

[0039] The second vertical plate 22 is close to the outer edge of the bent plate 21, and the bent plate 21 is connected to the left longitudinal beam 200 or the right longitudinal beam 300 through the second bolt 40, and the second bolt 40 is arranged on the side of the second vertical plate 22 facing the outer edge of the bent plate 21.

[0040] At this time, the second bolt 40 is in the space of the second vertical plate 22 facing the outer edge of the bent plate 21, and is on the outer side of the second vertical plate 22, so that the second bolt 40 has sufficient space to be separated from the bent plate 21, thereby facilitating the disassembly and replacement of the support 20 relative to the left longitudinal beam 200 or the right longitudinal beam 300.

[0041] In addition, the left longitudinal beam 200 and the right longitudinal beam 300 are bent with a baffle plate arranged on the upper side of the first vertical plate 12 and limiting the first vertical plate 12 from being separated.

[0042] In a second aspect, the embodiment of the present application provides an off-road vehicle frame, comprising the combined beam assembly 100 described above.

[0043] The combined beam assembly 100 and the off-road vehicle frame provided by the embodiment of the present application, the box-shaped support beam 10 comprises a bottom plate 11, two first vertical plates 12 and a top plate 13; the two first vertical plates 12 are connected to the bottom plate 11 vertically and are distributed on the circumferential side of the bottom plate 11; the top plate 13 is connected to the two first vertical plates 12 and encloses the two first vertical plates 12 and the bottom plate 11 to form the box-shaped support beam 10, at this time, the load-bearing capacity and the connection strength of the combined beam assembly 100 are improved through the box-shaped support beam 10, and the two supports 20 are arranged on the two sides of the box-shaped support beam 10 and are used to connect the left longitudinal beam 200 and the right longitudinal beam 300, thereby realizing the connection of the left longitudinal beam 200 and the right longitudinal beam 300 through the combined beam assembly 100 and reinforcing between the left longitudinal beam 200 and the right longitudinal beam 300, improving the overall load-bearing capacity of the combined beam assembly 100, the left longitudinal beam 200 and the right longitudinal beam 300, in addition, the two supports 20 are detachably connected to the bottom plate 11, and the connection between each support 20 and the bottom plate 11 is arranged on the outer side of the first vertical plate 12, so as to leave sufficient space for the disassembly and connection of the two supports 20 and the bottom plate 11, realizing the part replacement of the combined beam assembly 100 under the condition of ensuring the connection stability of the left longitudinal beam 200 and the right longitudinal beam 300, and realizing the disassembly and installation of the combined beam assembly 100 relative to the left longitudinal beam 200 and the right longitudinal beam 300.

[0044] In the above embodiments, the description of each embodiment has its own emphasis, and the parts not described in detail in a certain embodiment can be referred to the related description of other embodiments.

[0045] In the description of the present application, the terms "first", "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more features.

[0046] The principles and implementation modes of the present application are described herein by applying specific examples, and the above example descriptions are only used to help understand the method of the present application and its core idea; meanwhile, for those skilled in the art, according to the idea of the present application, the specific implementation modes and application ranges will have changes, and in summary, the content of the specification should not be understood as a limitation of the present application.

Claims

1. A composite beam assembly, characterized by, The utility model relates to a box type support beam, comprising a bottom plate, two first vertical plates and a top plate. The two first vertical plates are vertically connected to the bottom plate and are distributed on the circumferential side of the bottom plate. The top plate is connected to the two first vertical plates and encloses the two first vertical plates, the bottom plate to form the box type support beam. Two supports are arranged on both sides of the box type support beam and are used to connect the left and right longitudinal beams. Each support is provided with a clamping groove. When the two supports are arranged opposite to each other, the two clamping grooves are arranged opposite to each other along the length direction of the box type support beam and jointly provide the two ends of the box type support beam for clamping. The support is arranged in a box type. The support comprises a bent plate arranged in a trapezoidal shape. The bent plate is provided with the clamping groove on the upper end face. A plurality of second vertical plates are arranged in the inner cavity of the bent plate and are connected to the inner side wall of the bent plate. The plurality of second vertical plates are spaced apart along the width direction of the bent plate and enclose the support with the bent plate.

2. A composite beam assembly according to claim 1, wherein, The second vertical plate is close to the outer edge of the bent plate.

3. A composite beam assembly according to claim 2, wherein, The bent plate is connected to the left or right longitudinal beam through a second bolt.

4. A composite beam assembly according to claim 2, wherein, The bent plate is provided with a first bent part and a second bent part arranged in a stepped manner and connected to the left or right longitudinal beam through the second bolt.

5. A composite beam assembly according to claim 4, wherein, The two ends of the bottom plate are upwardly bent to form two bent parts arranged opposite to each other.

6. An off-road vehicle frame characterized by, The left and right side walls of the first vertical plate are respectively connected to the two bent parts. The first vertical plate is close to the outer edge of the bottom plate. The support is connected to the bottom plate through a first bolt arranged on the side of the first vertical plate facing the outer edge of the bottom plate. The first vertical plate is provided with a plurality of lightening holes symmetrically arranged and communicating with the inner cavity of the box type support beam. The bottom plate is provided with a drainage hole communicating with the inner cavity of the box type support beam and a plurality of lightening holes through the inner cavity of the box type support beam. The utility model relates to a combined beam assembly comprising any one of claims 1 to 5.

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