Connecting support structure suitable for cab rear overhang

Abstract

The invention relates to a connecting support structure suitable for a cab rear overhang, and the connecting support structure comprises a safety hook, an upper cover plate and a side plate, and the side plate is shaped like a Chinese character'ji 'and is vertically arranged; the upper cover plate is inverted U-shaped and is fixedly buckled at the upper end of the outer side of the side plate; the lower end of the safety hook extends into the upper cover plate and is fixedly connected with the inner side wall of the upper cover plate, and the upper end of the safety hook extends upwards out of the upper cover plate. The structure innovation of the safety hook, the upper cover plate and the side plates is adopted, on the basis that original functions are achieved through few parts and a simple process, the characteristic that an oil vehicle and an electric vehicle adopt the same chassis is combined, multiple functional structural components are provided for installation, the utilization rate is high, the batch is large, and therefore the cost is low.

Description

Technical Field

[0001] The invention relates to a cab suspension system for a light commercial vehicle, and in particular to a connecting bracket structure suitable for a rear suspension of a cab. Background Art

[0002] There are three common structures in the rear suspension bracket of the light truck cab: Figure 4 As shown in FIG. 1 , one adopts a casting structure to fix the safety hook, rear suspension cushion, ECU bracket, fender, and pipelines thereof, and the casting is heavy and the cost is high; the second one is as shown in FIG. Figure 5 As shown, the corresponding functions are achieved by using welded parts, which are lighter than the first type, but the number of welded parts is large, and 8 brackets are required to achieve the same function and meet the performance requirements; the third type is as shown in Figure 6 As shown, the crossbeam structure realizes the safety hook and provides a rear suspension cushion mounting point, but cannot provide other system mounting points, and the crossbeam is heavy and expensive. Summary of the invention

[0003] In order to solve the above problems, the present invention provides a connecting bracket structure suitable for the rear suspension of a cab, which can be suitable for the installation of various functional structural components.

[0004] The technical solution adopted by the present invention is: a connecting bracket structure suitable for the rear suspension of a cab, characterized in that: it includes a safety hook, an upper cover plate and a side plate, the side plate is in a "J" shape and is vertically arranged; the upper cover plate is in an inverted "U" shape and is fixedly buckled on the upper end of the outer side of the side plate; the lower end of the safety hook extends into the upper cover plate and is fixedly connected to the inner side wall of the upper cover plate, and the upper end of the safety hook extends upward from the upper cover plate.

[0005] Preferably, the side panel comprises a web, a first side panel, a second side panel, a first wing panel and a second wing panel, wherein the first side panel and the second side panel are symmetrically arranged on both sides of the web, the first wing panel is connected to the first side panel, and the second wing panel is connected to the second side panel.

[0006] Preferably, an oil filter mounting hole for mounting an oil filter is provided at the lower portion of the web.

[0007] Preferably, the first side plate and the second side plate are fixedly connected to the two side walls of the upper cover plate.

[0008] Preferably, the first wing panel and the second wing panel are provided with ECU bracket mounting holes for installing the ECU bracket at corresponding positions on the upper ends, frame mounting holes for connecting with the frame are provided at corresponding positions on the lower ends, and horizontally fixed reinforcement plates are provided at corresponding positions in the middle.

[0009] Preferably, the reinforcing plate has an "L"-shaped structure, including a first reinforcing plate and a second reinforcing plate arranged vertically; the first reinforcing plate spans the web and is fixedly connected to the first wing plate and the second wing plate; the first reinforcing plate is provided with a pipeline fixing through hole for fixing the pipeline, and the second reinforcing plate is provided with a frame mounting hole for connecting to the frame.

[0010] Preferably, the upper cover plate includes a top plate, a first cover plate side plate and a second cover plate side plate, the first cover plate side plate and the second cover plate side plate are symmetrically arranged on both sides of the top plate, the first cover plate side plate is fixedly connected to the outer side of the first side plate, and the second cover plate side plate is fixedly connected to the outer side of the second side plate.

[0011] Preferably, a cushion mounting hole for mounting a cushion is provided on the top plate.

[0012] Preferably, the first cover plate side plate is provided with an auxiliary water tank or charging port bracket mounting hole for mounting the auxiliary water tank or charging port bracket.

[0013] Preferably, a fender mounting hole for mounting a fender is provided on the second cover side plate.

[0014] The beneficial effects achieved by the present invention are as follows: the present invention adopts structural innovations of safety hooks, upper cover plates and side plates to achieve fewer parts, and only realizes the original functions through simple processes. In combination with the characteristics of using the same chassis for oil vehicles and electric vehicles, it provides installation of multiple functional structural components, has high utilization rate, and large batch size, thereby achieving low cost.

[0015] The parts forming process of the present invention is simple, the components are few, and many functional installation interfaces are provided, so that the parts can be universalized for multiple vehicle models, and mass production can be formed to reduce costs. At the same time, the welding position of the three directly split structures (safety hook, upper cover plate and side plate) can be adjusted to achieve different widths of the frame and cab, and the cab can achieve maximum universalization of parts when the height of the whole vehicle is different. At the same time, this structure also effectively reduces weight and achieves lightweight. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1-2 It is a schematic diagram of the overall structure of the present invention;

[0017] Figure 3 It is a schematic diagram of various functional structural components installed on the rear suspension bracket of the cab of the present invention;

[0018] Figure 4-6 It is a structural schematic diagram of an existing cab rear suspension bracket;

[0019] Wherein: 1. Safety hook; 2. Upper cover plate; 21. Top plate; 211. Soft pad mounting hole; 22. First cover plate side plate; 221. Sub-water tank or charging port bracket mounting hole; 23. Second cover plate side plate; 231. Fender mounting hole; 3. Side plate; 31. Web; 311. Oil filter mounting hole; 32. First side plate; 33. Second side plate; 34. First wing plate; 35. Second wing plate; 351. Frame mounting hole; 352. ECU bracket mounting hole; 4. Reinforcing plate; 41. First reinforcing plate; 411. Pipeline fixing through hole; 42. Second reinforcing plate; 5. Fender; 6. ECU bracket; 7. Soft pad; 8. Charging port mounting bracket; 9. Oil filter. Detailed implementation mode

[0020] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0021] As Figure 1-3 shown, a connection bracket structure applicable to the rear suspension of a cab of the present invention includes a safety hook 1, an upper cover plate 2 and a side plate 3. The side plate 3 is integrally in a "C" shape and is vertically arranged; the upper cover plate 2 is in an inverted "U" shape and is fixedly buckled on the outer upper end of the side plate 3; the lower end of the safety hook 1 extends into the upper cover plate 2 and is fixedly connected to the inner side wall of the upper cover plate 2, and the upper end of the safety hook 1 extends upward out of the upper cover plate.

[0022] By innovating the structures of the upper cover plate 2 and the side plate 3, the upper cover plate 2 and the side plate 3 are fixedly connected by welding, so that the rear suspension brackets of oil tank trucks and electric trucks can be shared. For cabs, frames, and cabs with different widths at different coordinates in the vehicle, the universality of multiple left and right vehicle models can be realized by adjusting the welding positions.

[0023] In this embodiment, the side plate 3 is integrally in a "C" shape, including a web 31, a first side plate 32, a second side plate 33, a first wing plate 34 and a second wing plate 35. The first side plate 32 and the second side plate 33 are symmetrically arranged on both sides of the web 31. The first wing plate 34 is connected to the first side plate 32, and the second wing plate 35 is connected to the second side plate 33.

[0024] An oil filter mounting hole 311 for mounting an oil filter 9 is provided at the lower part of the web 31. The first side plate 32 and the second side plate 33 are fixedly connected to the two side walls of the upper cover plate 2. ECU bracket mounting holes 352 for mounting an ECU bracket 6 are provided at corresponding positions at the upper ends of the first wing plate 34 and the second wing plate 35, and frame mounting holes 351 for connecting to a vehicle body bracket are provided at corresponding positions at the lower ends. A horizontally fixedly arranged reinforcing plate 4 is provided at the corresponding position in the middle.

[0025] In this embodiment, the reinforcing plate 4 is an "L"-shaped structure as a whole, including a first reinforcing plate 41 and a second reinforcing plate 42 which are arranged perpendicular to each other; the first reinforcing plate 41 spans the web 31, and is fixedly connected to the first wing plate 34 and the second wing plate 35; the first reinforcing plate 41 is provided with a pipeline fixing through hole 411 for fixing the pipeline, and the second reinforcing plate 42 is provided with a frame mounting hole 351 for connecting with the rear suspension bracket.

[0026] In this embodiment, the upper cover plate 2 includes a top plate 21, a first cover plate side plate 22 and a second cover plate side plate 23. The first cover plate side plate 22 and the second cover plate side plate 23 are symmetrically arranged on both sides of the top plate 21. The first cover plate side plate 22 is fixedly connected to the outer side of the first side plate 32, and the second cover plate side plate 23 is fixedly connected to the outer side of the second side plate 33.

[0027] The top plate 21 is provided with a cushion mounting hole 211 for mounting the cushion 7, the first cover side plate 22 is provided with an auxiliary water tank or charging port bracket mounting hole 221 for mounting the auxiliary water tank or charging port bracket (the charging port bracket includes a fast charging bracket and a slow charging bracket), and the second cover side plate 23 is provided with a fender mounting hole 231 for mounting the fender 5.

[0028] The above shows and describes the basic principles and main structural features of the present invention. The present invention is not limited to the above examples. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A connecting bracket structure suitable for rear suspension of a cab, characterized in that: It includes a safety hook, an upper cover plate and a side plate, wherein the side plate is in a "J" shape and is vertically arranged; the upper cover plate is in an inverted "U" shape and is fixedly buckled on the upper end of the outer side of the side plate; the lower end of the safety hook extends into the upper cover plate and is fixedly connected to the inner side wall of the upper cover plate, and the upper end of the safety hook extends upwardly out of the upper cover plate.

2. The connecting bracket structure suitable for rear suspension of a cab according to claim 1, characterized in that: The side plate includes a web, a first side plate, a second side plate, a first wing plate and a second wing plate, wherein the first side plate and the second side plate are symmetrically arranged on both sides of the web, the first wing plate is connected to the first side plate, and the second wing plate is connected to the second side plate.

3. The connecting bracket structure suitable for rear suspension of a cab according to claim 2, characterized in that: An oil filter mounting hole for mounting an oil filter is arranged at the lower portion of the web.

4. The connecting bracket structure suitable for rear suspension of a cab according to claim 2, characterized in that: The first side plate and the second side plate are fixedly connected to the two side walls of the upper cover plate.

5. The connecting bracket structure suitable for rear suspension of a cab according to claim 2, characterized in that: The first wing panel and the second wing panel have ECU bracket mounting holes at corresponding positions on the upper ends thereof for mounting the ECU bracket, frame mounting holes for connecting with the frame are provided at corresponding positions on the lower ends thereof, and reinforcing plates fixed horizontally are provided at corresponding positions in the middle.

6. The connecting bracket structure suitable for rear suspension of a cab according to claim 5, characterized in that: The reinforcing plate is in an "L"-shaped structure, including a first reinforcing plate and a second reinforcing plate arranged vertically; the first reinforcing plate spans the web plate and is fixedly connected to the first wing plate and the second wing plate; the first reinforcing plate is provided with a pipeline fixing through hole for fixing the pipeline, and the second reinforcing plate is provided with a frame mounting hole for connecting to the frame.

7. The connecting bracket structure suitable for rear suspension of a cab according to claim 2, characterized in that: The upper cover plate includes a top plate, a first cover plate side plate and a second cover plate side plate, wherein the first cover plate side plate and the second cover plate side plate are symmetrically arranged on both sides of the top plate, the first cover plate side plate is fixedly connected to the outer side of the first side plate, and the second cover plate side plate is fixedly connected to the outer side of the second side plate.

8. The connecting bracket structure suitable for rear suspension of a cab according to claim 7, characterized in that: The top plate is provided with a cushion mounting hole for mounting the cushion.

9. The connecting bracket structure suitable for rear suspension of a cab according to claim 7, characterized in that: The first cover plate side plate is provided with an auxiliary water tank or charging port bracket mounting hole for mounting the auxiliary water tank or charging port bracket.

10. The connecting bracket structure suitable for rear suspension of a cab according to claim 7, characterized in that: The second cover plate side plate is provided with a fender mounting hole for mounting a fender.

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