Carriage body collision energy absorption buffer structure

By designing a buffer structure in the truck body to absorb collision energy and stabilize the truck body, the problems of low transportation efficiency and safety caused by a fixed vehicle body are solved, achieving efficient transportation of lightweight goods and driver safety protection.

CN223803655UActive Publication Date: 2026-01-16PUYANG COUNTY YUSHANG AUTOMOBILE BODY CO LTD
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Patent Information

Application Number
CN202520591445.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-01-16
Estimated Expiration
2035-04-01

AI Technical Summary

Technical Problem

Existing trucks have a fixed-length rigid structure, resulting in a fixed cargo volume. This leads to low efficiency when transporting lightweight goods, and the goods are prone to shaking. Collision energy can easily be transferred to the front of the truck, causing secondary accidents and endangering driver safety.

Method used

Design a collision energy-absorbing buffer structure for a truck body, including a main frame, buffer baffle, buffer spring and helical clamping device. The springs absorb the collision energy by deforming and prevent the energy from being transferred to the cab. The fixed plate and connecting rod stabilize the truck body and reduce the impact on the driver.

Benefits of technology

It improves the efficiency of transporting lightweight goods, reduces carriage sway, reduces the harm to drivers from rear-end collisions, and enhances safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of truck carriage collision energy-absorbing buffer structures, and discloses a truck carriage collision energy-absorbing buffer structure which comprises a main frame, two buffer baffles in the main frame are respectively placed at the tail and the head of the main frame, a front baffle is fixedly welded at the front end of the main frame and is 20 centimeters higher than the main frame, and a rear baffle is fixedly welded at the rear end of the main frame. Buffering springs are fixedly welded to the left side and the right side of the buffering baffle correspondingly, and spiral pressing devices are fixedly welded to the outer sides of the buffering springs. According to the truck carriage collision energy absorption buffering structure, when the buffering springs are subjected to load pressure, the springs deform, part of load is transmitted to the supporting structure and the buffering baffles, when the load pressure is reduced or disappears, collision energy can be unloaded through the four buffering springs, and when collision is too strong, force can be transmitted to the fixing plate, so that the buffering effect is achieved. Energy can be transmitted to the fixing block through the connecting rod, and the fixing block is fixed on the frame, so that impact cannot be transmitted to a cab as much as possible, and danger of personnel is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of truck carriage body collision energy-absorbing buffer structure technical field, specifically a kind of truck carriage body collision energy-absorbing buffer structure. BACKGROUND

[0002] The current truck body is usually rigid body of fixed length, and the rigid body of fixed length has higher overall structural strength, but inevitably has some shortcomings, the fixed length of the truck body load volume is fixed, when transporting light goods, the load mass of the same volume carriage is significantly reduced, resulting in low transport efficiency, and the goods may also be not fixed due to the characteristics of the goods, causing further impact on the carriage when shaking in the carriage.

[0003] From the safety point of view, when the truck is rear-ended, the collision energy will be transmitted forward through the rigid body, and the front of the truck will be violently pushed forward, which is easy to cause secondary accidents and cause great damage to the driver, so a buffer structure is needed. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides a truck carriage body collision energy-absorbing buffer structure to solve the problems mentioned in the background.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a truck carriage body collision energy-absorbing buffer structure,

[0006] The utility model discloses a kind of truck carriage body collision energy-absorbing buffer structure, which can effectively solve the problems that the prior art has.

[0007] Preferably, the main frame is square-shaped and made of high-strength rigid material.

[0008] Preferably, the outer side of the spiral compression device is fixedly welded with a guide rod, and the outer wall of the guide rod is slidably connected with the inner part of the buffer baffle.

[0009] Preferably, the guide rod is arranged inside the buffer spring, and the outer wall of the two fixed plates is movably connected with the outer side of the compression bolt.

[0010] Preferably, the two fixing plates are arranged in a ring shape, and the outer wall of the fixing plate is movably connected with the inner side of the plurality of screw pressing devices.

[0011] 1. The truck body collision energy absorption buffer structure, when the buffer spring is subjected to load pressure, the spring will deform and transfer part of the load to the support structure, the buffer baffle, when the load pressure decreases or disappears, the spring will restore to its original state, and the load is easily unloaded, the direct unloading effect of the buffer baffle and the buffer spring, when the truck body is suddenly hit in the rear, the impact energy can be unloaded through the four buffer springs, if the impact is too strong, the force will be transmitted to the fixing plate, which will further block the deformation of the truck body caused by the impact, and the energy will be transmitted to the fixing block through the connecting rod, and the fixing block is fixed on the vehicle frame, so that the impact is prevented from being transmitted to the cab as much as possible, and the danger of personnel is reduced.

[0012] 2. The truck body collision energy absorption buffer structure, the main frame and the truck body are connected by embedding the spring, so as to reinforce the stability between each other and cope with various unexpected bumps in the transportation process, and various goods can be well buffered, and the truck can stably travel on different road sections and under different road conditions. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a main body schematic view of the truck body collision energy absorption buffer structure.

[0014] Figure 2 It is a side view schematic view of the truck body collision energy absorption buffer structure.

[0015] Figure 3 It is a truck body collision energy absorption buffer structure truck body bottom schematic view of the structure.

[0016] Figure 4 It is a spring schematic view of the truck body collision energy absorption buffer structure.

[0017] In the figure: 1, main frame; 2, front baffle; 3, buffer baffle; 4, buffer spring; 5, screw pressing device; 6, truck body; 7, connecting rod; 8, connecting shaft; 9, fixing block; 10, fixing plate; 11, pressing bolt. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0019] Embodiment:

[0020] Please refer to Figs. 1-4,

[0021] A truck body collision energy-absorbing buffer structure,

[0022] Including the main frame 1, two buffer baffle 3 are placed in the main frame 1, respectively, the tail of the main frame 1 and the head of the main frame 1, the front baffle 2 is fixedly welded at the front end of the main frame 1, which is higher than the main frame 1 by 1 cm, the buffer spring 4 is fixedly welded on the left and right sides of the buffer baffle 3, the outer side of the buffer spring 4 is fixedly welded with the spiral compression device 5, the inner thread of the spiral compression device 5 is connected with the compression bolt 11, the outer side of the front baffle 2 is movably connected with the truck body 6, the right side of the front baffle 2 is rotatably connected with the connecting shaft 8, the outer side of the connecting shaft 8 is rotatably connected with the connecting rod 7, the side of the connecting rod 7 away from the connecting shaft 8 is rotatably connected with the connecting fixed block 9, and the bottom of the truck body 6 is fixedly connected with two fixed plates 10;

[0023] Specifically, the truck body 6 is placed on the main frame 1, then the fixed plate 10 is clamped into the spiral compression device 5, then the compression bolt 11 is used to realize the effect of clamping and fixing the fixed plate 10, which can realize the effect of auxiliary fixing the truck body 6, and the truck body 6 also needs to be fastened with bolts, and the fixed plate 10 and the compression bolt 11 here are only components for transmitting impact force;

[0024] When the truck is rear-ended, the truck body 6 will move forward due to inertia, driving the fixed plate 10 to move, the fixed plate 10 will extrude the buffer spring 4, realizing force unloading, which can realize the effect of buffering;

[0025] The main frame 1 is square-shaped, and the main frame 1 is made of high-strength rigid material;

[0026] The main frame 1 is square-shaped, which can realize the effect of stable manufacturing, and the high-strength rigid material can better support the truck body 6;

[0027] The outer side of the spiral compression device 5 is fixedly welded with a guide rod, and the outer wall of the guide rod is slidably connected with the inner part of the buffer baffle 3;

[0028] The spiral compression device 5 is welded with a guide rod, and the guide rod is slidably connected with the inner part of the buffer baffle 3, which realizes the effect of stable movement of the guide rod;

[0029] The guide rod is arranged in the buffer spring 4, and the outer wall of the two fixed plates 10 is movably connected with the outer side of the compression bolt 11;

[0030] Specific, the guide rod is arranged in the inside of the buffer spring 4, can avoid the spring to send offset, to realize the effect of accurate positioning, the fixed plate 10 and the compression bolt 11 are movably connected together, can reach the effect of limiting the movement of the carriage main body 6;

[0031] Two fixed plates 10 are arranged in a ring shape, and the outer wall of the fixed plate 10 is movably connected with the inner side of the plurality of spiral compression devices 5;

[0032] Specific, the fixed ring is arranged in a ring shape, can realize the fixed effect of cooperation with the fixed plate 10, to realize the effect of auxiliary fixing the carriage main body 6; working principle: the utility model, aiming at the strong impact scene, when the truck box suddenly collides with the rear-end collision, the impact energy can be unloaded through the four buffer springs 4, and if the impact is too strong, the force will be transmitted to the fixed plate 10, which will further block the deformation of the carriage caused by the impact, and the energy will be transmitted to the fixed block 9 through the connecting rod 7, and the fixed block 9 is fixed on the frame, so as to ensure that the impact will not be transmitted to the cab as much as possible, and the danger of personnel is reduced, when the rear-end collision occurs, the tight buffer structure can unload the force, and if the force is too great, the impact on the cab can also be prevented as much as possible to harm the driver, and the safety is improved.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A truck body collision energy-absorbing buffer structure characterized in that: It comprises a main frame (1), two buffer baffle plates (3) are placed near the tail of the main frame (1) and the head of the main frame (1) respectively, a front baffle plate (2) is fixedly welded at the front end of the main frame (1) and is 20 cm higher than the main frame (1), buffer springs (4) are fixedly welded on the left and right sides of the buffer baffle plate (3), spiral compression devices (5) are fixedly welded on the outer side of the buffer spring (4), compression bolts (11) are threadedly connected in the spiral compression devices (5), a truck body (6) is movably connected to the outer side of the front baffle plate (2), a connecting shaft (8) is rotatably connected to the right side of the front baffle plate (2), a connecting rod (7) is rotatably connected to the outer side of the connecting shaft (8), a connecting fixed block (9) is rotatably connected to the side of the connecting rod (7) away from the connecting shaft (8), and two fixed plates (10) are fixedly connected to the bottom of the truck body (6).

2. A truck bed impact energy absorbing bumper structure according to claim 1, wherein: The main frame (1) is square-shaped and is made of high-strength rigid material.

3. A truck bed impact energy absorbing bumper structure according to claim 1, wherein: A guide rod is fixedly welded on the outer side of the spiral compression device (5), and the outer wall of the guide rod is slidably connected with the inner part of the buffer baffle plate.

4. A truck bed impact energy absorbing bumper structure according to claim 3, wherein: The guide rod is arranged in the buffer spring (4), and the outer wall of the two fixed plates (10) is movably connected with the outer side of the compression bolt (11).

5. A truck bed impact energy absorbing bumper structure according to claim 1, wherein: The two fixed plates (10) are annular-shaped, and the outer wall of the fixed plate (10) is movably connected with the inner side of the multiple spiral compression devices (5).