Vehicle body connecting structure for improving safety of whole vehicle

Abstract

The invention relates to the technical field of vehicles, and discloses a vehicle body connecting structure for improving the safety of a whole vehicle, which comprises a vehicle body rear suspension bracket assembly, a safety hook is arranged above the vehicle body rear suspension bracket, the safety hook is mounted on a cab connecting bracket, and the cab connecting bracket and the safety hook form a cab connecting assembly in an assembling form. The cab connecting assembly is connected with a cab bottom plate through bolts, a vertical plate is arranged on the vehicle body rear suspension support assembly, a limiting ring is defined by the safety hook and the cab connecting support, and the top end of the vertical plate is located in the limiting ring. According to the vehicle body connecting structure for improving the safety of the whole vehicle, the safety of the whole vehicle under the working condition of sudden braking of the whole vehicle, the condition that goods impact a cab, the condition that a rear suspension of the vehicle body is loose and the condition that a front suspension falls off is effectively improved.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicles, and in particular to a vehicle body connection structure for improving the safety of a whole vehicle. Background Art

[0002] The safety of commercial vehicles is a key issue in the road transport industry, and its importance is becoming increasingly prominent. At present, the rear end of the cab of a light commercial vehicle is connected to the body-in-white and the frame through the body rear suspension mechanism. This connection structure has the problem of insufficient safety in the case of sudden braking of the vehicle, impact of cargo on the cab, looseness of the body rear suspension, and detachment of the front suspension. Based on this, a body connection structure for light commercial vehicles that improves the safety of the vehicle is proposed to solve the above safety problems. Summary of the invention

[0003] The purpose of the present invention is to address the deficiencies of the above-mentioned technology and provide a body connection structure for improving the safety of the whole vehicle, which effectively improves the safety of the whole vehicle under emergency braking conditions, impact of cargo on the cab, loose rear suspension of the body and detachment of the front suspension.

[0004] To achieve the above-mentioned purpose, the body connection structure for improving the safety of the whole vehicle involved in the present invention includes a body rear suspension bracket assembly, a safety hook is provided above the body rear suspension bracket, the safety hook is installed on the cab connection bracket, the cab connection bracket and the safety hook are assembled to form a cab connection assembly, the cab connection assembly is connected to the cab floor by bolts, a vertical plate is provided on the body rear suspension bracket assembly, the safety hook and the cab connection bracket are enclosed to form a limiting circle, and the top of the vertical plate is located in the limiting circle.

[0005] Preferably, in a natural state, a gap of 15 to 25 mm is left between the safety hook and the vertical plate of the vehicle body rear suspension bracket assembly in the X direction.

[0006] Preferably, in the case of vehicle braking, cargo impacting the cab, and front overhang falling off, the body-in-white tilts forward with the vehicle. When the forward tilt exceeds the gap between the safety hook and the vertical plate of the body-rear suspension bracket assembly in the X direction, the safety hook contacts and limits the vertical plate of the body-rear suspension bracket assembly, preventing the body-in-white from continuing to tilt forward, thereby ensuring the safety of passengers.

[0007] Preferably, when the rear suspension of the vehicle body is loose, the safety hook restricts the rear suspension of the vehicle body from detaching from the frame in the X direction and the Z direction, thereby ensuring the safety of the entire vehicle.

[0008] Preferably, the vehicle body rear suspension bracket assembly is composed of a vehicle body left rear suspension bracket assembly and a vehicle body right rear suspension bracket assembly, and a seat belt reinforcement bracket is provided on the cab connection bracket on the vehicle body left rear suspension bracket assembly to strengthen the seat belt arrangement area.

[0009] Preferably, the vehicle body rear suspension bracket is connected to the vehicle frame by bolts.

[0010] Compared with the prior art, the present invention has the following advantages:

[0011] 1. Improved vehicle safety in the event of sudden braking, cargo impact on the cab, loose rear suspension, and front suspension detachment;

[0012] 2. If a seat belt reinforcement bracket is added, the safety of the entire vehicle will be further improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The figure is a schematic structural diagram of a vehicle body connection structure for improving the safety of a whole vehicle according to the present invention.

[0014] The components in the figure are numbered as follows:

[0015] Vehicle body rear suspension bracket 1, safety hook 2, cab connection bracket 3, cab connection assembly 4, vertical plate 5, limit ring 6, seat belt reinforcement bracket 7. DETAILED DESCRIPTION

[0016] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0017] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0018] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] like Figure 1 As shown, a body connection structure for improving the safety of the whole vehicle includes a body rear suspension bracket assembly 1, a safety hook 2 is provided above the body rear suspension bracket 1, the safety hook 2 is installed on the cab connection bracket 3, the cab connection bracket 3 and the safety hook 2 are assembled to form a cab connection assembly 4, the cab connection assembly 4 is connected to the cab floor through bolts, a vertical plate 5 is provided on the body rear suspension bracket assembly 1, the safety hook 2 and the cab connection bracket 3 are enclosed to form a limiting circle 6, and the top of the vertical plate 5 is located in the limiting circle 6.

[0020] Specifically, in a natural state, a gap of 15 to 25 mm is left between the safety hook 2 and the vertical plate 5 of the vehicle body rear suspension bracket assembly 1 in the X direction. In this embodiment, the gap is 20 mm.

[0021] When the vehicle is braking, cargo is impacting the cab, or the front overhang is falling off, the body-in-white tilts forward with the vehicle. When the tilt exceeds the gap between the safety hook 2 and the vertical plate 5 of the rear suspension bracket assembly 1 of the vehicle body in the X direction, the safety hook 2 contacts the vertical plate 5 of the rear suspension bracket assembly 1 of the vehicle body to limit the position, preventing the body-in-white from continuing to tilt forward and ensuring the safety of the passengers.

[0022] In addition, when the rear suspension of the vehicle body is loose, the safety hook 2 restricts the rear suspension of the vehicle body from detaching from the frame in the X and Z directions, thereby ensuring the safety of the entire vehicle.

[0023] The vehicle body rear suspension bracket assembly 1 is divided into a vehicle body left rear suspension bracket assembly and a vehicle body right rear suspension bracket assembly. A seat belt reinforcement bracket 7 is provided on the cab connection bracket 3 on the vehicle body left rear suspension bracket to strengthen the seat belt arrangement area.

[0024] In this embodiment, the vehicle body rear suspension bracket assembly 1 is connected to the vehicle frame by bolts.

[0025] The body connection structure of the present invention is used to improve the safety of the whole vehicle, and improves the safety of the whole vehicle under the conditions of emergency braking of the whole vehicle, impact of cargo on the cab, looseness of the rear suspension of the body and detachment of the front suspension. Specifically, under the conditions of braking of the whole vehicle, impact of cargo on the cab and detachment of the front suspension, the white body is prevented from tilting forward excessively to ensure the safety of passengers. When the rear suspension of the body is loose, the safety hook 2 limits the rear suspension of the body from being separated from the frame in the X and Z directions to ensure the safety of the whole vehicle. In addition, by adding a seat belt reinforcement bracket 7, the safety of the whole vehicle is further improved.

[0026] It should be noted that the description of the above technical solutions is exemplary, and this specification can be embodied in different forms and should not be interpreted as being limited to the technical solutions set forth herein. On the contrary, providing these descriptions will make the disclosure of the present invention thorough and complete, and will fully convey the scope disclosed in this specification to those skilled in the art. In addition, the technical solutions of the present invention are limited only by the scope of the claims.

[0027] Finally, it should be pointed out that the above content is a further detailed description of the invention in combination with specific implementation methods. It cannot be considered that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, simple replacements made without departing from the concept of the present invention should be regarded as belonging to the protection scope of the present invention. The above embodiments are only more representative examples of the present invention. Obviously, the present invention is not limited to the above embodiments, and there can be many variations. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention should be considered to belong to the protection scope of the present invention.

[0028] For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, and the above structures should be regarded as belonging to the protection scope of the present invention.

Claims

1. A vehicle body connection structure for improving the safety of a vehicle, comprising a vehicle body rear suspension bracket assembly (1), characterized in that: A safety hook (2) is provided above the vehicle body rear suspension bracket (1), and the safety hook (2) is mounted on the cab connection bracket (3). The cab connection bracket (3) and the safety hook (2) are assembled to form a cab connection assembly (4), and the cab connection assembly (4) is connected to the cab bottom plate by bolts. A vertical plate (5) is provided on the vehicle body rear suspension bracket assembly (1), and the safety hook (2) and the cab connection bracket (3) are enclosed to form a limiting circle (6), and the top end of the vertical plate (5) is located in the limiting circle (6).

2. The vehicle body connection structure for improving vehicle safety according to claim 1, characterized in that: In a natural state, a gap of 15 to 25 mm is left between the safety hook (2) and the vertical plate (5) of the vehicle body rear suspension bracket assembly (1) in the X direction.

3. The vehicle body connection structure for improving vehicle safety according to claim 2, characterized in that: When the vehicle is braked, cargo impacts the cab, or the front overhang falls off, the body-in-white tilts forward along with the vehicle. When the tilt exceeds the gap between the safety hook (2) and the vertical plate (5) of the rear suspension bracket assembly (1) in the X direction, the safety hook (2) contacts the vertical plate (5) of the rear suspension bracket assembly (1) to prevent the body-in-white from tilting forward further.

4. The vehicle body connection structure for improving vehicle safety according to claim 1, characterized in that: When the rear suspension of the vehicle body is loose, the safety hook (2) restricts the rear suspension of the vehicle body from being separated from the frame in the X direction and the Z direction.

5. The vehicle body connection structure for improving vehicle safety according to claim 1, characterized in that: The vehicle body rear suspension bracket assembly (1) is divided into a vehicle body left rear suspension bracket assembly and a vehicle body right rear suspension bracket assembly, and a seat belt reinforcement bracket (7) is provided on the cab connection bracket (3) on the vehicle body left rear suspension bracket.

6. The vehicle body connection structure for improving vehicle safety according to claim 1, characterized in that: The vehicle body rear suspension bracket assembly (1) is connected to the vehicle frame via bolts.

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