Vehicle body structure and vehicle

Abstract

The utility model provides a vehicle body structure and a vehicle. The vehicle body structure comprises a longitudinal beam, a plate spring, a first fixing support and a second fixing support. The plate spring is located below the longitudinal beam, the first fixing support and the second fixing support are oppositely arranged and connected with the plate spring and the longitudinal beam respectively, and the second fixing support and the longitudinal beam are welded and fixed. According to the vehicle body structure, the second fixing supports and the longitudinal beams are welded and fixed, so that the assembling procedures are reduced, and the assembling takt is improved.

Description

Technical Field

[0001] The present application relates to the field of vehicles, and in particular to a vehicle body structure and a vehicle. Background Art

[0002] With the advancement of technology, new energy vehicles have developed rapidly. Electric trucks are a type of freight transportation vehicle driven by electric motors. They are clean, environmentally friendly, energy-saving and efficient, and are favored by more and more companies and individuals.

[0003] At present, the suspension bracket connected to the body of an electric cargo vehicle is usually welded from thicker steel and then connected to the body by bolts. This type of separate bolt-connected suspension bracket greatly increases the assembly process of the entire vehicle, which is not conducive to improving the manufacturing efficiency of the vehicle.

[0004] Therefore, it is necessary to propose a new vehicle body structure and a vehicle to solve the above problems. Utility Model Content

[0005] The purpose of the present application is to provide a vehicle body structure and a vehicle with an optimized assembly cycle.

[0006] The present application provides a vehicle body structure, comprising: a longitudinal beam, a leaf spring, a first fixing bracket and a second fixing bracket; the leaf spring is located below the longitudinal beam, the first fixing bracket and the second fixing bracket are arranged opposite to each other and respectively connect the leaf spring and the longitudinal beam, and the second fixing bracket is welded and fixed to the longitudinal beam.

[0007] Further, the second fixing bracket includes a first side plate and a second side plate that are oppositely arranged, the longitudinal beam is located between the first side plate and the second side plate, the longitudinal beam includes a first side wall and a second side wall that are oppositely arranged, the first side wall is fixed to the first side plate by welding, and / or;

[0008] The second side wall is fixed to the second side plate by welding.

[0009] Furthermore, the leaf spring is axially connected to the first side plate and the second side plate.

[0010] Furthermore, the first side plate is provided with a first hole, and the second side plate is provided with a second hole; the body structure also includes a connecting shaft arranged at one end of the leaf spring; the connecting shaft passes through the first hole and the second hole to connect the leaf spring with the first side plate and the second side plate.

[0011] Furthermore, the second fixing bracket also includes a first reinforcing plate connecting the first side plate and the second side plate.

[0012] Furthermore, the second fixing bracket also includes a second reinforcing plate connecting the first side plate and the second side plate, and the first reinforcing plate and the second reinforcing plate are arranged opposite to each other.

[0013] Furthermore, the longitudinal beams are arranged as at least one pair, and the vehicle body structure also includes a cross beam connected to one of the pair of longitudinal beams, the longitudinal beam is provided with a first assembly hole, the first side panel is provided with a second assembly hole, the second side panel is provided with a third assembly hole, the first assembly hole is located between the second assembly hole and the third assembly hole, and the first assembly hole, the second assembly hole and the third assembly hole are used for the cross beam to pass through.

[0014] Furthermore, the longitudinal beams are arranged in at least one pair, and the vehicle body structure further comprises at least one pair of cross beams respectively connected to one pair of the longitudinal beams and a controller fixed on the cross beams, wherein the controller is located below the cross beams.

[0015] Furthermore, it also includes a third mounting bracket, which is welded and fixed to the crossbeam to fix the controller.

[0016] Furthermore, the third mounting bracket is made by stamping a steel plate.

[0017] Furthermore, the third mounting bracket is provided in plurality.

[0018] Furthermore, the first fixing bracket includes a pair of connecting plates, the longitudinal beam is located between the pair of connecting plates, and the pair of connecting plates are connected to the longitudinal beam axis.

[0019] The present application also provides a vehicle, comprising the above-mentioned vehicle body structure.

[0020] The vehicle body structure of the present application is fixed by welding the second fixing bracket to the longitudinal beam, thereby reducing assembly processes and improving assembly time.

[0021] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present specification. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the specification and, together with the description, serve to explain the principles of the specification.

[0023] Figure 1 It is a schematic diagram of the vehicle body structure of the present application.

[0024] Figure 2 yes Figure 1 A schematic diagram of a further view of a vehicle body structure is shown, wherein only a portion of the vehicle body structure is shown.

[0025] Figure 3 yes Figure 1 A front view of a second fixing bracket of a vehicle body structure is shown.

[0026] Figure 4 yes Figure 3 A schematic diagram of the second fixing bracket from another perspective is shown.

[0027] Figure 5 yes Figure 3 A schematic diagram of the second fixing bracket from another viewing angle is shown.

[0028] Figure 6 yes Figure 1 Schematic diagram of a first fixing bracket installed on a vehicle body structure, wherein only a portion of the vehicle body structure is shown.

[0029] Figure 7 yes Figure 2 A rear view of a vehicle body structure is shown, wherein only a portion of the vehicle body structure is shown.

[0030] Figure 8 yes Figure 1 A plan view of a vehicle body structure is shown, wherein only a portion of the vehicle body structure is shown.

[0031] Explanation of the accompanying drawings: 1. longitudinal beam; 10. first assembly hole; 11. first side wall; 12. second side wall; 2. cross beam; 3. leaf spring; 4. first fixed bracket; 41. connecting plate; 42. longitudinal beam connecting hole; 43. shaft connecting hole; 5. second fixed bracket; 51. first side plate; 511. first hole; 512. second assembly hole; 52. second side plate; 521. second hole; 522. third assembly hole; 53. first reinforcing plate; 54. second reinforcing plate; 55. reinforcing rib; 6. connecting shaft; 7. controller; 8. third fixed bracket. DETAILED DESCRIPTION

[0032] Next, the embodiments of this specification are described in detail.

[0033] Please refer to Figure 1 to Figure 2 As shown, the present application provides a vehicle body structure, including: a longitudinal beam 1, a leaf spring 3, a first fixing bracket 4 and a second fixing bracket 5. The leaf spring 3 is located below the longitudinal beam 1, the first fixing bracket 4 and the second fixing bracket 5 are arranged opposite to each other and respectively connect the leaf spring 3 and the longitudinal beam 1, and the second fixing bracket 5 is welded and fixed to the longitudinal beam 1.

[0034] The second fixing bracket 5 of the vehicle body structure of the present application is welded and fixed to the longitudinal beam 1. Compared with the bolt connection and fixing method used in the prior art, it has fewer assembly steps and can improve the assembly cycle of the vehicle body structure, thereby improving the vehicle body manufacturing efficiency.

[0035] The longitudinal beam 1 is provided as at least one pair. The leaf spring 3 described in the present application is provided as at least one pair, and each leaf spring 3 is provided with a first fixing bracket 4 and a second fixing bracket 5 at both ends, so that a pair of leaf springs 3 are respectively installed under a pair of longitudinal beams 1. The vehicle body structure provided in the present application also includes a cross beam 2 connected to one of the pair of longitudinal beams 1.

[0036] The longitudinal beam 1 includes a first side wall 11 and a second side wall 12 which are oppositely arranged.

[0037] Please refer to Figures 3 to 5 As shown, the first fixing bracket 4 and the second fixing bracket 5 of the present application are arranged at opposite ends of the leaf spring 3 and respectively connect the leaf spring 3 and the longitudinal beam 1 .

[0038] The second fixing bracket 5 includes a first side plate 51 and a second side plate 52 that are oppositely arranged. The longitudinal beam 1 is located between the first side plate 51 and the second side plate 52 . The first side wall 11 is welded and fixed to the first side plate 51 , and the second side wall 12 is welded and fixed to the second side plate 52 .

[0039] Optionally, the first side wall 11 and the first side plate 51 are fixed by welding, and the second side wall 12 and the second side plate 52 can be fixed by other means besides welding, such as gluing, screwing, etc.

[0040] Optionally, the first side wall 11 and the first side plate 51 may be fixed by other means other than welding, such as gluing, screwing, etc., and the second side wall 12 and the second side plate 52 may be fixed by welding.

[0041] The longitudinal beam 1 is provided with a first assembly hole 10, the first side plate 51 is provided with a second assembly hole 512, and the second side plate 52 is provided with a third assembly hole 522. The first assembly hole 10 is located between the second assembly hole 512 and the third assembly hole 522. The first assembly hole 10, the second assembly hole 512 and the third assembly hole 522 are used for the cross beam 2 to pass through. The cross beam 2 is connected to the longitudinal beam 1 and the second fixing bracket 5 through the first assembly hole 10, the second assembly hole 512 and the third assembly hole 522 to fix the cross beam 2. At the same time, it can also play an auxiliary fixing role for the longitudinal beam 1 and the second fixing bracket 5, thereby improving the stability of the connection structure between the longitudinal beam 1 and the second fixing bracket 5.

[0042] The inner diameters of the first assembly hole 10, the second assembly hole 512 and the third assembly hole 522 should be larger than the outer diameter of the beam 2 to allow the beam 2 to pass through. Optionally, the inner diameters of the first assembly hole 10, the second assembly hole 512 and the third assembly hole 522 are greater than or equal to 40 mm and less than or equal to 60 mm.

[0043] The second fixing bracket 5 further includes a first reinforcing plate 53 connecting the first side plate 51 and the second side plate 52. The first reinforcing plate 53 can be integrally formed with the first side plate 51 and the second side plate 52 to improve the structural strength of the first side plate 51 and the second side plate 52.

[0044] The first reinforcing plate 53 may also be connected to the first side plate 51 and the second side plate 52 by welding or the like, or may be formed by bending the first side plate 51 or the second side plate 52 , and the present application does not impose any limitation on this.

[0045] The second fixing bracket 5 further includes a second reinforcing plate 54 connecting the first side plate 51 and the second side plate 52. The first reinforcing plate 53 and the second reinforcing plate 54 are arranged opposite to each other. By arranging the first reinforcing plate 53 and the second reinforcing plate 54, the structural strength of the second fixing bracket 5 can be improved.

[0046] Optionally, reinforcing ribs 55 may be provided on the first side plate 51 , the second side plate 52 , the first reinforcing plate 53 and the second reinforcing plate 54 to improve the structural strength of the second fixing bracket 5 .

[0047] The second fixing bracket 5 can be made by stamping a steel plate, thereby reducing the weight of the second fixing bracket 5 and improving the lightweight level of the vehicle body structure, thereby improving the cruising range of the vehicle.

[0048] The second fixing bracket 5 can also be made of high-strength and light-weight materials such as titanium alloy and aluminum alloy to reduce the weight of the second fixing bracket 5, and the present application does not impose any limitation on this.

[0049] Specifically, the first side panel 51, the second side panel 52, the first reinforcing panel 53 and the second reinforcing panel 54 can all be made of the same material, or they can be made of different materials respectively. The first side panel 51 and the second side panel 52 can be made of the same material, and the first reinforcing panel 53 and the second reinforcing panel 54 can be made of a material different from that of the first side panel 51. Other reasonable methods can also be used, and the present application does not impose any restrictions on this.

[0050] See also Figure 1 to Figure 2 One end of the leaf spring 3 is axially connected to the first side plate 51 and the second side plate 52 , and the other end is axially connected to a pair of connecting pieces 41 .

[0051] Specifically, the vehicle body structure described in the present application further includes a connecting shaft 6 , which is disposed at both ends of the leaf spring 3 .

[0052] See also Figure 6 to Figure 7 The first fixing bracket 4 includes a pair of connecting pieces 41. The connecting pieces 41 are provided with longitudinal beam connecting holes 42, and the longitudinal beam 1 is located between the pair of connecting pieces 41. The pair of connecting pieces 41 are connected to the longitudinal beam 1 axis through the longitudinal beam connecting holes 42. The connecting pieces 41 and the longitudinal beam 1 axis can be connected by bolts or by connecting shafts, etc., and this application does not limit this.

[0053] The first fixing bracket 4 of the present application includes a pair of connecting plates 41, which has a simple structure and is light in weight, and can improve the lightweight of the vehicle body structure, thereby improving the vehicle's endurance while making production and installation simpler.

[0054] A longitudinal beam connecting hole 42 is provided on each connecting piece 41, and a pair of connecting pieces 41 can be respectively connected to the first side wall 11 and the second side wall 12 axis, or one of the connecting pieces 41 can be provided with a longitudinal beam connecting hole 42 and connected to an axis of the first side wall 11 or the second side wall 12, and the other connecting piece 41 can be connected to the remaining one of the first side wall 11 and the second side wall 12 by welding or other methods, and the present application does not impose any restrictions on this.

[0055] Symmetrical shaft connection holes 43 are provided on a pair of connecting plates 41. The first side plate 51 is provided with a first hole 511, and the second side plate 52 is provided with a second hole 521. The connecting shaft 6 at one end of the leaf spring 3 passes through the shaft connection hole 43 to fix one end of the leaf spring 3 to the first fixing bracket 4, and the connecting shaft 6 at the other end passes through the first hole 511 and the second hole 521 to connect the other end of the leaf spring 3 to the first side plate 51 and the second side plate 52.

[0056] In the embodiment of the present application, the second fixed bracket 5 includes a first side plate 51, a second side plate 52, a first reinforcing plate 53 and a second reinforcing plate 54. The connecting shaft 6 connected to the second fixed bracket 5 is arranged in a space surrounded by the first side plate 51, the second side plate 52, the first reinforcing plate 53 and the second reinforcing plate 54, so as to limit the connecting shaft 6 and improve the structural stability of the connecting shaft 6 and the second fixed bracket 5.

[0057] The connecting shaft 6 can be provided at both ends of the leaf spring 3 by an integral molding method, or by other methods such as welding, and the present application does not impose any limitation on this.

[0058] The vehicle body structure of the present application further includes a controller 7 .

[0059] Please refer to Figure 8 As shown, the vehicle body structure includes at least one pair of cross beams 2 , and the controller 7 is fixed to the cross beams 2 and is located below the cross beams 2 .

[0060] The controller 7 described in the present application may be a high-voltage auxiliary drive controller, or may be other controllers arranged on the vehicle body structure, and the present application does not impose any limitation on this.

[0061] The controller 7 of the present application is arranged below the crossbeam 2, which has the following advantages:

[0062] 1. It can lower the center of gravity of the vehicle and improve the stability of the vehicle;

[0063] 2. The space above the crossbeam 2 is usually used for passengers and cargo. Placing the controller 7 below the crossbeam 2 can make better use of the space and facilitate maintenance and operation of the controller 7;

[0064] 3. The controller 7 will generate a certain amount of heat when working. Placing the controller 7 below the beam 2 is conducive to dissipating the heat and avoiding overheating caused by heat accumulation.

[0065] The vehicle body structure of the present application further includes a third mounting bracket 8 , one end of the third mounting bracket 8 is fixed to the cross beam 2 , and the other end of the third mounting bracket 8 is connected to the controller 7 so as to fix the controller 7 below the cross beam 2 .

[0066] Optionally, the third mounting bracket 8 is fixed to the cross beam 2 by welding, or fixed to the cross beam 2 by bolts, or fixed to the cross beam 2 by other fixing methods, which is not limited in the present application.

[0067] Optionally, the third mounting bracket 8 is made by stamping a steel plate, thereby reducing the weight of the third mounting bracket 8 and improving the lightweight level of the vehicle body structure, thereby improving the vehicle's endurance.

[0068] The third mounting bracket 8 described in the present application can be set as one to fix the controller 7 under the beam 2, or multiple ones can be set, and the present application does not impose any limitation on this.

[0069] Please refer to Figure 8 As shown, in this embodiment, four third mounting brackets 8 are provided and are respectively arranged on a pair of adjacent beams 2 in a group of two. Each third mounting bracket 8 is respectively fixed to the four corners of the upper end surface of the controller 7, thereby fixing the third mounting bracket 8 under a pair of adjacent beams 2, thereby improving the stability of the fixation of the controller 7 and the beams 2.

[0070] The present application also provides a vehicle, comprising the above-mentioned vehicle body structure.

Claims

1. A vehicle body structure, characterized in that: include: A longitudinal beam, a leaf spring, a first fixing bracket and a second fixing bracket; the leaf spring is located below the longitudinal beam, the first fixing bracket and the second fixing bracket are arranged opposite to each other and respectively connect the leaf spring and the longitudinal beam, and the second fixing bracket is welded and fixed to the longitudinal beam.

2. The vehicle body structure according to claim 1, characterized in that: The second fixing bracket includes a first side plate and a second side plate that are oppositely disposed, the longitudinal beam is located between the first side plate and the second side plate, the longitudinal beam includes a first side wall and a second side wall that are oppositely disposed, the first side wall is welded and fixed to the first side plate, and / or; The second side wall is fixed to the second side plate by welding.

3. The vehicle body structure according to claim 2, characterized in that: The leaf spring is axially connected to the first side plate and the second side plate.

4. The vehicle body structure according to claim 3, characterized in that: The first side plate is provided with a first hole, and the second side plate is provided with a second hole; the vehicle body structure also includes a connecting shaft arranged at one end of the leaf spring; the connecting shaft passes through the first hole and the second hole to connect the leaf spring with the first side plate and the second side plate.

5. The vehicle body structure according to claim 2, characterized in that: The second fixing bracket also includes a first reinforcing plate connecting the first side plate and the second side plate.

6. The vehicle body structure according to claim 5, characterized in that: The second fixing bracket further includes a second reinforcing plate connecting the first side plate and the second side plate, and the first reinforcing plate and the second reinforcing plate are arranged opposite to each other.

7. The vehicle body structure according to claim 6, characterized in that: The longitudinal beams are arranged as at least one pair, and the vehicle body structure further comprises a cross beam connected to one of the pair of longitudinal beams, the longitudinal beams are provided with a first assembly hole, the first side panel is provided with a second assembly hole, the second side panel is provided with a third assembly hole, the first assembly hole is located between the second assembly hole and the third assembly hole, and the first assembly hole, the second assembly hole and the third assembly hole are used for the cross beam to pass through.

8. The vehicle body structure according to claim 1, characterized in that: The longitudinal beams are arranged in at least one pair, and the vehicle body structure further comprises at least one pair of cross beams respectively connected to one pair of the longitudinal beams and a controller fixed on the cross beams, wherein the controller is located below the cross beams.

9. The vehicle body structure according to claim 8, characterized in that: It also includes a third mounting bracket, which is welded and fixed to the crossbeam to fix the controller.

10. The vehicle body structure according to claim 9, characterized in that: The third mounting bracket is made by stamping a steel plate.

11. The vehicle body structure according to claim 9, characterized in that: The third mounting bracket is provided in plurality.

12. The vehicle body structure according to any one of claims 1 to 11, characterized in that: The first fixing bracket includes a pair of connecting plates, the longitudinal beam is located between the pair of connecting plates, and the pair of connecting plates are connected to the longitudinal beam axis.

13. A vehicle, characterized in that: The vehicle body structure comprises the vehicle body structure as claimed in any one of claims 1 to 12.

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