Straight beam frame of trailer

By installing a wiring harness assembly consisting of pads and trays on the trailer straight beam, the problems of complex structure and high cost are solved, achieving line protection and structural stability, and reducing failure rate and production cost.

CN223949221UActive Publication Date: 2026-02-27SHANDONG YUNCHENG XINYA TRAILER MFG CO LTD
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Patent Information

Application Number
CN202520833504.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-29
Publication Date
2026-02-27
Estimated Expiration
2035-04-29

AI Technical Summary

Technical Problem

The existing trailer straight beam structure is complex, resulting in high production costs and easy damage to the wiring, which affects driving safety.

Method used

The cable harness assembly, consisting of pads and support plates, is fixed to the straight beam by bolts, forming a semi-enclosed space to support the wires, avoiding direct contact between the wires and other components, and reducing friction and shaking.

Benefits of technology

Extend the service life of the line, reduce the failure rate, maintain the stability and load-bearing capacity of the straight beam structure, and reduce production complexity and cost.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a straight beam frame of a trailer, which comprises a straight beam and a bunching component formed by assembling a base plate and a supporting plate, one end of the base plate is provided with a bending section, the bending section is propped against a flange of the straight beam, the other end of the base plate is connected with the supporting plate through a bolt, and the bunching component is locked on the straight beam. According to the utility model, the base plate and the supporting plate are assembled on the straight beam to form the bunching assembly, and the base plate and the supporting plate form a semi-closed space to support wires and cables, so that direct contact between a line and other parts of the trailer is avoided in the traveling process of the trailer, friction caused by vibration and jolt of the trailer is reduced, line skin damage is prevented, and the service life of the line is prolonged; and the bunching assembly is connected with the straight beam through the bolts, so that operations such as welding and punching on the straight beam which may weaken the strength of the straight beam are avoided, the original structure of the straight beam is ensured not to be damaged, and the design bearing capacity and stability of the straight beam are maintained.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of trailer accessories, in particular to a trailer straight beam vehicle frame. BACKGROUND

[0002] In the field of trailers, straight beam vehicle frames, as core bearing components, bear the key role of supporting the weight of the vehicle body and goods, and the stability and reliability of their structure directly affect the driving safety of the vehicle. At the same time, with the increasing complexity of the electrical system of trailers, a large number of wires and cables are applied in various aspects such as lighting, braking, and signal transmission.

[0003] To avoid direct contact between the cables and other components of the trailer, such as the axle, suspension, and metal bracket, during the driving of the trailer, the Chinese patent document with application number CN202222882198.3 discloses a trailer frame longitudinal beam with a cable collection function, which includes an upper wing plate, a lower wing plate, and a web plate integrated between the upper wing plate and the lower wing plate. The upper wing plate or the lower wing plate is provided with a sliding groove arranged along its length direction, and a plurality of mounting pieces for fixing the guide rings are detachably arranged in the sliding groove, and each guide ring contains and guides the wire harness arrangement.

[0004] The above document still changes the structure of the straight beam, and the production and manufacturing process involves opening the sliding groove and installing the guide ring, which greatly increases the complexity of the production process and further increases the investment cost. UTILITY MODEL CONTENT

[0005] The utility model aims to provide a trailer straight beam vehicle frame to solve the problem of high cost caused by the complex structure of the existing trailer straight beam with a cable collection function as mentioned in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a trailer straight beam vehicle frame, which includes a straight beam and a wire harness assembly composed of a gusset plate and a supporting plate. One end of the gusset plate is provided with a bent section, the bent section is in contact with the flange of the straight beam, the other end of the gusset plate is connected to the supporting plate through bolts, and the wire harness assembly is locked on the straight beam.

[0007] Preferably, a plurality of reinforcing ribs are fixedly installed on the side wall of the straight beam.

[0008] Preferably, one end of the supporting plate is provided with a supporting part.

[0009] Preferably, the corner connection between the gusset plate and the supporting plate is rounded and smoothly transitioned.

[0010] Preferably, the bent section is provided as an acute angle structure.

[0011] Preferably, one end of the pad plate away from the bending section is provided with an L-shaped structure, and the L-shaped structure is provided with a round hole for accommodating the bolt.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The utility model discloses a pad plate, a supporting plate are assembled on the straight beam and form a wire binding assembly, the pad plate and the supporting plate form a semi-closed space and support the wire and cable, in the trailer driving process, avoid the direct contact of the line and other components of the trailer, reduce the friction caused by the vehicle vibration, jolt, prevent the line skin breakage, prolong the service life of the line, reduce the failure rate caused by the line damage, and the wire binding assembly is connected with the straight beam through the bolt, avoids the operation such as welding, punching on the straight beam that can weaken the strength of the straight beam, ensures that the original structure of the straight beam is not damaged, maintains its design carrying capacity and stability. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the first perspective three-dimensional structure schematic view of the utility model;

[0015] Figure 2 It is the second perspective three-dimensional structure schematic view of the utility model;

[0016] Figure 3 It is the third perspective plane structure schematic view of the utility model;

[0017] Figure 4 It is the wire binding assembly three-dimensional structure schematic view of the utility model.

[0018] In the drawing: 1, straight beam;2, reinforcing rib;3, pad plate;4, supporting plate;5, bolt;6, bending section;7, supporting part. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and apparently, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0020] Please refer to Figures 1-4The utility model provides a technical scheme: a trailer straight beam vehicle frame, including straight beam 1, the side wall fixed mounting of straight beam 1 has a plurality of reinforcing rib 2, the purpose is to enhance the strength and rigidity of straight beam 1, prevent the deformation or fracture of straight beam 1 when being stressed, and the wire binding assembly of gasket plate 3, the supporting plate 4 assembly, the corner junction of gasket plate 3 and supporting plate 4 all adopt rounded corners smooth transition, the advantage of such setting is to avoid the sharp edge and scratch skin, one end of gasket plate 3 is equipped with bending section 6, bending section 6 is equipped with acute angle structure, bending section 6 and the flange of straight beam 1 are in contact, the advantage of such setting is, increase the contact area and friction force between gasket plate 3 and straight beam 1, make gasket plate 3 not prone to displacement or shaking in the installation and use process, the end of gasket plate 3 away from bending section 6 is equipped with L-shaped structure, the L-shaped structure position is equipped with the round hole for accommodating bolt 5, one end of supporting plate 4 is equipped with supporting part 7, and the supporting part is used for restraining electric wire, can prevent line from being damaged due to shaking, friction in the vehicle driving process, and gasket plate 3 other end is connected with supporting plate 4 through bolt 5, and wire binding assembly is locked on straight beam 1.

[0021] The device can assemble the wire binding assembly at the specified position of the straight beam 1 according to the wire direction. During assembly, the gasket plate 3 is placed on the top of the straight beam 1, and the flange of the straight beam 1 is contacted with the bending section 6. Then, the supporting part 7 is placed on one side of the straight beam 1, and the supporting plate 4 and the gasket plate 3 are locked by the bolt, so that the wire binding assembly is locked on the straight beam 1, and the installation is completed.

[0022] The gasket plate 3 and the supporting plate 4 are assembled on the straight beam 1 to form the wire binding assembly. The gasket plate 3 and the supporting plate 4 form a semi-closed space to support the electric wire and cable. During the driving of the trailer, the wire is prevented from directly contacting other parts of the trailer, the friction caused by the vibration and bumping of the vehicle is reduced, the outer skin of the wire is prevented from being damaged, the service life of the wire is prolonged, the failure rate caused by the damage of the wire is reduced, and the wire binding assembly is connected with the straight beam by the bolt. The welding, punching and other operations that may weaken the strength of the straight beam 1 are avoided, the original structure of the straight beam 1 is not damaged, the designed bearing capacity and stability of the straight beam 1 are maintained.

[0023] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0024] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A straight beam trailer frame, characterized by: The utility model relates to a straight beam (1) and a bundle assembly which is assembled by a cushion plate (3) and a supporting plate (4), one end of the cushion plate (3) is provided with a bending section (6) which is in contact with the flange of the straight beam (1), the other end of the cushion plate (3) is connected with the supporting plate (4) through a bolt (5) and the bundle assembly is locked on the straight beam (1).

2. A straight beam trailer frame according to claim 1, characterized in that: The side wall of the straight beam (1) is fixedly provided with a plurality of reinforcing ribs (2).

3. A straight beam trailer frame according to claim 1, characterized in that: One end of the supporting plate (4) is provided with a supporting part (7).

4. A straight beam trailer frame according to claim 1, characterized in that: The corner connection between the cushion plate (3) and the supporting plate (4) is rounded.

5. A straight beam trailer frame according to claim 1, characterized in that: The bending section (6) is provided as an acute angle structure.

6. A straight beam trailer frame according to claim 1, characterized in that: The other end of the cushion plate (3) away from the bending section (6) is provided as an L-shaped structure, and a round hole for accommodating the bolt (5) is arranged at the position of the L-shaped structure.

Citation Information

Patent Citations

  • Trailer frame longitudinal beam with line concentration function

    CN218877389U