Carriage buffer structure and vehicle

By designing a car body buffer structure with L-shaped connectors that fit snugly against the buffer blocks, the problem of unstable fixing of the rubber buffer blocks was solved, achieving stable installation of the car body and extending its service life.

CN223574534UActive Publication Date: 2025-11-21SINO TRUK JINAN POWER CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422384824.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-29
Publication Date
2025-11-21
Estimated Expiration
2034-09-29

AI Technical Summary

Technical Problem

The existing rubber buffer blocks between the carriage and the frame are difficult to secure effectively, are prone to misalignment and detachment, and the cable ties are easily broken due to friction with the metal structure of the frame and carriage.

Method used

A car body buffer structure is designed, which uses L-shaped connectors to fit the buffer blocks and fix them by surface contact. The connectors are vulcanized and fixed to the longitudinal beams of the car body and the buffer blocks to enhance the connection strength, and are further fixed by U-bolts and diagonal tie rods.

Benefits of technology

The buffer block's limiting effect is improved, preventing misalignment and detachment, enhancing connection strength, ensuring the stability of the carriage installation, reducing the damage rate during use, and extending its service life.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223574534U_ABST
    Figure CN223574534U_ABST
Patent Text Reader

Abstract

The utility model relates to a compartment buffer structure and a vehicle, and belongs to the field of vehicle structures. According to the technical scheme, the compartment buffering structure comprises a compartment longitudinal beam and a buffering block installed on the bottom face of the compartment longitudinal beam, a connecting piece is arranged on the compartment longitudinal beam and comprises a top plate and a lower vertical plate, the top face of the top plate is attached to the bottom face of the compartment longitudinal beam, the bottom face of the top plate is attached to the top face of the buffering block, and the lower vertical plate is attached to the side face of the buffering block; the top plate and / or the lower vertical plate are / is fixedly connected with the buffer block. According to the scheme, the L-shaped connecting structure is arranged, the panel is attached to the carriage longitudinal beam and the buffer block, the external occupied space is extremely small, arrangement is convenient, the buffer block is effectively limited in a side face rigid abutting mode, and dislocation and disengagement of the buffer block are prevented.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle structure field, especially a kind of carriage buffer structure and vehicle. BACKGROUND

[0002] Commercial vehicle includes freight car and passenger car, wherein, the frame structure of freight car is obviously different from passenger car, general passenger car, usually adopts the frame structure of longitudinal beam, and the power system, cab and cargo part of vehicle are installed on the frame.

[0003] For fixed cargo compartment, the cargo compartment itself is frame panel structure, the bottom has steel beam arranged in transverse and longitudinal directions, and the cargo compartment beam is connected with the frame beam. In order to reduce the influence of driving vibration on the cargo compartment, and reduce the impact on the connecting structure between the cargo compartment and the frame when the vehicle is jolted, a buffer structure is usually provided between the cargo compartment and the frame, which adopts a strip-shaped rubber block or a sleeper, and is clamped between the longitudinal beam of the cargo compartment and the longitudinal beam of the frame. The sleeper is gradually replaced by the rubber block due to factors such as easy compression cracking and easy moisture absorption.

[0004] However, for the rubber block structure, there is no fixed point at the front and middle positions of the vehicle longitudinal beam due to the limitation of the space inside the frame, and only simple binding can be achieved by using a strap. The strap is easily broken by long-time friction with the metal structure of the frame and the cargo compartment, and the rubber buffer block after losing fixation is easy to dislocate and fall out. SUMMARY

[0005] The utility model discloses to the current problem that rubber buffer block is difficult to effectively fix between carriage and frame, provide a kind of carriage buffer structure.

[0006] To solve the above problems, the utility model discloses the technical scheme that a kind of carriage buffer structure, including carriage longitudinal beam and the buffer block installed in the bottom surface of carriage longitudinal beam, connection piece is provided on the carriage longitudinal beam, and connection piece includes top plate and lower vertical plate, the top surface of top plate is attached to the bottom surface of carriage longitudinal beam, the bottom surface of top plate is attached to the top surface of buffer block, and the side surface of buffer block is attached to lower vertical plate;Top plate and / or lower vertical plate are fixedly connected with buffer block. The present scheme sets up L-shaped connecting structure, and panel is attached to carriage longitudinal beam and buffer block, occupies very small space to the outside, is convenient for setting, and forms effective limiting to buffer block in the mode of lateral rigid contact, to prevent its dislocation and fall out.

[0007] Preferably, the connection piece further includes an upper vertical plate, the lower edge of the upper vertical plate is fixedly connected with the side edge of the top plate, and the side surface of the carriage longitudinal beam is attached to and fixedly connected with the upper vertical plate. The connection piece contacts the carriage longitudinal beam from two sides, further improving the installation firmness of the connection piece on the carriage longitudinal beam.

[0008] Preferably, the two side edges of the upper stand plate are further provided with flanges, and the flanges are located on the same side of the upper stand plate as the top plate.

[0009] Preferably, the top plate, the lower stand plate, the upper stand plate and the flanges are of an integral bending structure.

[0010] Preferably, the buffer block is vulcanizedly connected with the connecting piece. The vulcanization is integrated, and the connecting strength is high.

[0011] Preferably, a plurality of buffer blocks are arranged on the vehicle compartment longitudinal beam in the length direction, and each buffer block is provided with at least one connecting piece.

[0012] Preferably, the height of the flange relative to the upper stand plate is greater than the height of the top plate relative to the upper stand plate. The support is better.

[0013] In another aspect, the utility model also provides a kind of vehicle, using the above vehicle compartment buffer structure, and the vehicle further includes vehicle frame longitudinal beam, and vehicle compartment longitudinal beam is contacted with vehicle frame longitudinal beam by buffer block.

[0014] Preferably, a jockey bolt is further arranged on the vehicle compartment longitudinal beam, and the buffer block and the vehicle compartment longitudinal beam are fastened in the jockey bolt.

[0015] Preferably, it further includes a diagonal rod, and the two ends of the diagonal rod are respectively fixedly connected with the vehicle compartment longitudinal beam and the vehicle frame longitudinal beam.

[0016] The jockey bolt and the diagonal rod are arranged to further connect and fix the vehicle frame longitudinal beam and the vehicle compartment longitudinal beam.

[0017] It can be seen from the above technical scheme that the utility model has the advantages that the utility model provides a kind of vehicle compartment buffer structure, wherein the connecting piece adopts the form of face-face contact, on the one hand, the panel is attached to the beam body or buffer block, and the occupied space is small, which is convenient for installation and arrangement, and on the other hand, the limiting effect is improved by rigid contact to prevent the buffer block from being dislocated and coming out;Through the structural design of the connecting piece, the strength of the connecting piece itself is high, and the connecting strength with the buffer block and the vehicle compartment longitudinal beam is high;Based on this, the vehicle provided by the utility model has more stable vehicle compartment installation, low failure rate, and longer service life. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the utility model, the drawings needed to be used in the description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0019] Figure 1 It is a structural schematic view of the embodiment one of the utility model.

[0020] Figure 2 This is a schematic diagram of the connecting member in Embodiment 1 of this utility model.

[0021] Figure 3 This is a schematic diagram of the connection between the connector and the buffer block in Embodiment 1 of this utility model.

[0022] Explanation of main figure symbols

[0023] 1. Carriage longitudinal beam, 2. Buffer block, 3. Connecting parts, 3-1. Top plate, 3-2. Lower upright plate, 3-3. Upper upright plate, 3-4. Flanged edge, 4. U-bolt, 5. Diagonal tie rod. Detailed Implementation

[0024] To make the objectives, features, and advantages of this utility model more apparent and understandable, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the specific embodiments. Obviously, the embodiments described below are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this patent, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this patent.

[0025] Example 1

[0026] like Figure 1 As shown, a car body buffer structure includes a longitudinal beam 1 and a buffer block 2 installed on the bottom surface of the longitudinal beam 1. A connecting member 3 is provided on the longitudinal beam 1, such as... Figure 2 , Figure 3 As shown, the connecting piece 3 includes a top plate 3-1 and a lower upright plate 3-2. The top surface of the top plate 3-1 is attached to the bottom surface of the longitudinal beam 1 of the carriage, and the bottom surface of the top plate 3-1 is attached to the top surface of the buffer block 2. The lower upright plate 3-2 is attached to the side surface of the buffer block 2. The top plate 3-1 and / or the lower upright plate 3-2 are fixedly connected to the buffer block 2. As a preferred embodiment, the buffer block 2 is fixedly connected to the connecting piece 3 by vulcanization. The connecting piece 3 also includes an upper upright plate 3-3, the lower edge of which is attached to the top plate. The side edge of 3-1 is vertically fixedly connected, and the upper upright plate 3-3 is attached and fixedly connected to the side of the longitudinal beam 1 of the carriage. The two sides of the upper upright plate 3-3 are also provided with flanges 3-4. The flanges 3-4 and the top plate 3-1 are located on the same side of the upper upright plate 3-3. The height of the flanges 3-4 relative to the upper upright plate 3-3 is greater than the height of the top plate 3-1 relative to the upper upright plate 3-3. The top plate 3-1, the lower upright plate 3-2, the upper upright plate 3-3 and the flanges 3-4 are an integral bent structure.

[0027] Furthermore, multiple buffer blocks 2 are provided along the length direction on the longitudinal beam 1 of the carriage, and each buffer block 2 is provided with at least one connecting piece 3.

[0028] The height of the flange 3-4 relative to the upper vertical plate 3-3 is greater than the height of the top plate 3-1 relative to the upper vertical plate 3-3.

[0029] Embodiment two

[0030] The vehicle provided by the embodiment further comprises a vehicle frame longitudinal beam, and the vehicle compartment longitudinal beam 1 is in contact with the vehicle frame longitudinal beam through the buffer block 2.

[0031] The vehicle compartment longitudinal beam 1 is further provided with a jockey bolt 4, and the buffer block and the vehicle compartment longitudinal beam are fastened in the jockey bolt; and the vehicle compartment longitudinal beam 1 is further provided with a diagonal pull rod 5, and two ends of the diagonal pull rod 5 are fixedly connected with the vehicle compartment longitudinal beam and the vehicle frame longitudinal beam, respectively.

[0032] As can be seen from the above embodiments, the beneficial effects of the utility model lie in that the utility model designs a vehicle compartment buffer structure, wherein the connecting piece adopts a face-to-face contact form, on the one hand, the face plate is attached to the beam body or the buffer block, and occupies a small space, and is convenient to install and arrange, on the other hand, the limiting effect is improved through rigid contact, and the buffer block is prevented from being dislocated and coming out; through the structural design of the connecting piece, the self-strength is high, and the connecting strength with the buffer block and the vehicle compartment longitudinal beam is high; based on this, the vehicle provided by the utility model is more stable in vehicle compartment installation, has a low rate of use damage, and has a longer service life.

[0033] The above description of the disclosed embodiments enables one of ordinary skill in the art to make or use the utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A car body buffer structure, comprising a car body longitudinal beam and a buffer block installed on the bottom surface of the car body longitudinal beam, characterized in that, The longitudinal beam of the carriage is provided with a connector, which includes a top plate and a bottom plate. The top surface of the top plate is in contact with the bottom surface of the longitudinal beam of the carriage, the bottom surface of the top plate is in contact with the top surface of the buffer block, and the bottom plate is in contact with the side of the buffer block. The top plate and / or the bottom plate are fixedly connected to the buffer block.

2. The carriage buffer structure according to claim 1, characterized in that, The connector also includes an upper upright plate, the lower edge of which is vertically and fixedly connected to the side edge of the top plate, and the upper upright plate is attached to and fixedly connected to the side of the longitudinal beam of the carriage.

3. The carriage buffer structure according to claim 2, characterized in that, The upper panel has flanges on both sides, and the flanges are located on the same side of the upper panel as the top panel.

4. The carriage buffer structure according to claim 3, characterized in that, The top plate, lower upright plate, upper upright plate, and flange are an integral bent structure.

5. The car body buffer structure according to any one of claims 1-4, characterized in that, The buffer block and the connector are vulcanized and fixedly connected.

6. The carriage buffer structure according to claim 1, characterized in that, Multiple buffer blocks are provided along the length of the longitudinal beam of the carriage, and each buffer block is provided with at least one connecting piece.

7. The carriage buffer structure according to claim 3, characterized in that, The height of the flange relative to the upper upright plate is greater than the height of the top plate relative to the upper upright plate.

8. A vehicle, characterized in that, The vehicle also includes a frame longitudinal beam, wherein the car body buffer structure described in any one of claims 1-7 is adopted, and the car body longitudinal beam contacts the frame longitudinal beam through a buffer block.

9. The vehicle according to claim 8, characterized in that, The longitudinal beams of the carriage are also equipped with U-bolts, and the buffer block and the longitudinal beams of the carriage are fastened in the U-bolts.

10. The vehicle according to claim 9, characterized in that, It also includes diagonal bracing, with its two ends fixedly connected to the longitudinal beams of the carriage and the longitudinal beams of the frame, respectively.