Lower anti-collision beam structure of motorcycle chassis

By designing an anti-collision beam structure under the motorcycle chassis that includes chassis armor and anti-fall guard bars, the problem of chassis wear during driving and the impact of the battery pack when the electric motorcycle crashes is solved, and the chassis is protected. and battery pack heat dissipation.

CN222373039UActive Publication Date: 2025-01-21常州浩万新能源科技有限公司
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Patent Information

Application Number
CN202421125391.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-22
Publication Date
2025-01-21
Estimated Expiration
2034-05-22

AI Technical Summary

Technical Problem

During driving, electric motorcycles are prone to wear the chassis due to protrusions on the road surface or excessive slope, and will cause impact on the battery pack when falling, which may cause the battery pack to rupture and affect safety.

Method used

Design an anti-collision beam structure under the motorcycle chassis, including a symmetrically installed anti-collision beam body, chassis armor and anti-fall guard bar. The chassis armor is composed of surrounding beams surrounded by hollow tubes. The anti-fall guard includes longitudinal beams and cross beams, which are fixedly connected to the motorcycle chassis through mounting positions. This structure has both anti-collision and heat dissipation functions, and cooling water is introduced through the water guide port for heat dissipation.

Benefits of technology

It effectively protects the motorcycle chassis from wear and tear when the road surface is bumpy or has excessive slopes, and absorbs the impact in the event of a crash to prevent it from being transmitted to the battery pack, improving the safety of the motorcycle. At the same time, it achieves heat dissipation of the battery pack through the hollow tube design. .

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Abstract

An anti-collision beam structure under a motorcycle chassis is installed on the motorcycle chassis and comprises a pair of anti-collision beam bodies symmetrically installed on the motorcycle chassis, and each anti-collision beam body at least comprises a chassis armor arranged at the bottom of the chassis and an anti-falling protection bar arranged on the non-installation face of the motorcycle chassis. According to the scheme, the chassis armor is arranged, abrasion to the chassis when the chassis encounters road surface protrusions or the slope is too high is fully guaranteed, meanwhile, the crash bumper is further designed, impact generated during crash is effectively absorbed, and the impact is prevented from being transmitted to the battery pack. According to the scheme, the anti-collision beam structure has the installation function of components such as pedals and temples, space is effectively utilized, meanwhile, due to the fact that the anti-collision beam structure adopts the hollow pipe design, when cooling water is introduced, heat dissipation can be effectively conducted on a battery pack wrapped in the anti-collision beam structure.
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Description

Technical Field

[0001] The present disclosure relates to the field of motorcycles, and in particular to an anti-collision beam structure under a motorcycle chassis. Background Art

[0002] This section merely provides background information related to the present disclosure and is not necessarily prior art.

[0003] In the electric motorcycle industry, battery packs have replaced traditional internal combustion engines as the main power source for motorcycles. Due to the large size of battery packs, motorcycles will inevitably encounter various road conditions during driving, such as bumps on the road surface or excessive slopes, which will cause friction on the motorcycle chassis and cause damage to the motorcycle chassis. In addition, when a motorcycle falls over, it will have a large impact on the battery pack, and in severe cases it may even cause the battery pack to rupture, seriously affecting its safety. Utility Model Content

[0004] The purpose of the present disclosure is to provide a protective gear that can protect the motorcycle chassis, so that it can not only prevent the motorcycle chassis from being scratched by the ground, but also effectively reduce the damage to the chassis and battery pack when the motorcycle falls. This purpose can be achieved through the following technical solutions:

[0005] A motorcycle chassis under-collision beam structure is installed on the motorcycle chassis and comprises a pair of anti-collision beam bodies symmetrically installed on the motorcycle chassis. The anti-collision beam bodies at least comprise a chassis armor arranged at the bottom of the chassis and an anti-fall bumper arranged on a non-installation surface of the motorcycle chassis.

[0006] Furthermore, the chassis armor is a surrounding beam in a ring shape.

[0007] Furthermore, a mounting plate is provided on the perimeter beam, a first mounting position is provided on the mounting plate, and the chassis armor is fixedly connected to the motorcycle chassis via the first mounting position.

[0008] Furthermore, a reinforcing beam is arranged in the surrounding beam and is located in the same plane as the surrounding beam.

[0009] Furthermore, the anti-fall bumper includes at least one longitudinal beam installed on the surrounding beam, and the longitudinal beam and the surrounding beam are not in the same plane.

[0010] Furthermore, a cross beam which is in the same plane as the longitudinal beam is arranged at the top end of the longitudinal beam.

[0011] Furthermore, second mounting positions are provided at both side ends of the cross beam, and the anti-fall bumper is fixedly connected to the motorcycle chassis via the second mounting positions.

[0012] Furthermore, the chassis armor and the anti-fall bumper are both made of hollow tubes, into which cooling water can flow.

[0013] Furthermore, a water guide port is provided at the end of the surrounding beam.

[0014] Furthermore, a mounting beam parallel to the longitudinal beam is also arranged beside the longitudinal beam.

[0015] The anti-collision beam structure using this technical solution can at least achieve the following functional effects:

[0016] This solution is equipped with chassis armor to fully protect the chassis from wear when encountering bumps on the road or excessive slopes. At the same time, this solution is also designed with a fall guard to effectively absorb the impact of a fall and prevent it from being transmitted to the battery pack.

[0017] This solution also has the installation function of components such as footrests and side supports, which effectively utilizes space. At the same time, since the anti-collision beam structure adopts a hollow tube design, when cooling water is passed through it, it can effectively dissipate heat for the battery pack wrapped therein. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the preferred embodiments below. The accompanying drawings are only for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the present disclosure. Also, the same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0019] Figure 1 is a schematic diagram of a three-dimensional structure according to the present disclosure;

[0020] Figure 2 It is a schematic diagram of the side installation when installed on a motorcycle chassis according to the present disclosure.

[0021] In the figure:

[0022] 1- Anti-collision beam body;

[0023] 2-Motorcycle chassis;

[0024] 3- chassis armor, 31- surrounding beam, 32- reinforcing beam, 33- first installation position, 34- water inlet;

[0025] 4-anti-fall guard bar, 41-longitudinal beam, 42-cross beam, 421-second mounting position, 43-mounting beam. DETAILED DESCRIPTION

[0026] The exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided in order to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0027] It should be understood that the terms used herein are for the purpose of describing specific example embodiments only and are not intended to be limiting. Unless the context clearly indicates otherwise, the expressions "a", "an", and "said" as used herein may also be meant to include plural forms. The terms "comprise", "include", and "have" are inclusive and therefore specify the presence of stated features, elements, and / or parts, but do not exclude the presence or addition of one or more other features, elements, parts, and / or combinations thereof.

[0028] Although the terms first, second, etc. may be used in the text to describe multiple elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms can only be used to distinguish one element, component, region, layer or section from another region, layer or section. Unless the context clearly indicates otherwise, terms such as "first", "second" and "third" and other numerical terms do not imply order or sequence when used in the text. In addition, in the description of the present disclosure, unless otherwise clearly specified and limited, the terms "set" and "connection" 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 directly connected or indirectly connected through an intermediate medium; it can be a fluid connection, an electrical connection or a mechanical connection. In addition, in the description of the present disclosure, unless otherwise clearly specified and limited, the term "fixed" means that several components are connected or fixed according to technical requirements, so as to achieve mechanical assembly while maintaining the correct relative position and mutual relationship, such as the mechanical connection between screws and screw holes. The term "electrical interface" does not limit the form of an electrical connector, but can be any coupling device that connects electrical terminals to form a circuit. For those skilled in the art, the specific meanings of the above terms in this disclosure can be understood according to specific circumstances.

[0029] For ease of description, spatial relative terms may be used herein to describe the relationship of one element or feature relative to another element or feature as shown in the figure, such as "upper", "middle", "lower", "inside", "near", etc. Such spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the figure. For example, if the device in the figure is flipped, then the element described as "below other elements or features" or "below other elements or features" will be subsequently oriented as "above other elements or features" or "above other elements or features". Therefore, the example term "below..." can include both upper and lower orientations. The device can be oriented otherwise (rotated 90 degrees or in other directions) and the spatial relative descriptors used in the text are interpreted accordingly.

[0030] refer to Figure 1 and Figure 2 The utility model discloses an anti-collision beam structure which can protect a motorcycle chassis 2.

[0031] exist Figure 1 In the embodiment, the anti-collision beam body 1 includes a chassis armor 3 and an anti-fall bumper 4. The chassis armor 3 is formed by a circular hollow tube to form a surrounding beam 31, and the size of the surrounding beam 31 can be freely adjusted according to the bottom area of ​​the motorcycle chassis 2. In this embodiment, the surrounding beam 31 is formed by bending a whole long hollow tube and welding at the interface. In addition, the surrounding beam 31 can also be made by connecting multiple sections of hollow tubes end to end, and the connection method can be selected by welding. Figure 2 The surrounding beam 31 is slightly longer than the length of the motorcycle chassis 2 in the length direction.

[0032] A mounting plate is provided inside the surrounding beam 31, and the mounting plate and the surrounding beam 31 are in the same plane. In this embodiment, the mounting plate is welded in the width direction of the surrounding beam 31. A first mounting position 33 is provided on the mounting plate, and the first mounting position 33 is a pair of symmetrical screw holes. Through the cooperation of the screw holes and the screws, the chassis armor 3 can be effectively mounted on the motorcycle chassis 2.

[0033] A reinforcing beam 32 is further provided in the surrounding beam 31 . The reinforcing beam 32 and the surrounding beam 31 are located in the same plane and are parallel to the aforementioned mounting plate. In the present embodiment, the reinforcing beam 32 is welded in the width direction of the surrounding beam 31 .

[0034] refer to Figure 1 and Figure 2, an anti-fall guard bar 4 is welded to the outer side of the surrounding beam 31. The anti-fall guard bar 4 includes a longitudinal beam 41 that is not in the same plane as the surrounding beam 31. In the present embodiment, two longitudinal beams 41 are selected and the longitudinal beams 41 are perpendicular to the surrounding beam 31. A crossbeam 42 is welded above the longitudinal beam 41, and the crossbeam 42 is arranged parallel to the surrounding beam 31. Second mounting positions 421 are arranged at both side ends of the crossbeam 42, and the anti-fall guard bar 4 can be fixed to the motorcycle chassis 2 through the second mounting position 421. The anti-fall guard bar 4 is wrapped around the lower peripheral part of the motorcycle chassis 2 in an encircling form, which effectively prevents the battery pack from receiving an impact when the motorcycle falls.

[0035] In this embodiment, a parallel mounting beam 43 is further provided beside one of the longitudinal beams 41, and the mounting beam 43 is preferably in the same plane as the longitudinal beam 41. In this embodiment, the mounting beam 43 and one of the longitudinal beams 41 together form a mounting position for the foot support, where the foot support can be installed.

[0036] In this embodiment, hollow circular tubes are selected for the anti-fall guard bar 4 and the chassis armor 3. Cooling water is introduced into the anti-fall guard bar 4 and the chassis armor 3 through the water inlet 34 arranged at the end of the surrounding beam 31, so as to cool the battery in the motorcycle chassis 2.

Claims

1. A motorcycle chassis under-collision beam structure, installed on a motorcycle chassis, characterized in that: The utility model comprises a pair of anti-collision beam bodies symmetrically mounted on the motorcycle chassis, wherein the anti-collision beam bodies at least comprise a chassis armor arranged at the bottom of the chassis, and an anti-fall guard bar arranged on the non-mounting surface of the motorcycle chassis.

2. The anti-collision beam structure under the motorcycle chassis according to claim 1, characterized in that: The chassis armor is a surrounding beam in a ring shape.

3. The anti-collision beam structure under the motorcycle chassis according to claim 2, characterized in that: A mounting plate is provided on the perimeter beam, a first mounting position is provided on the mounting plate, and the chassis armor is fixedly connected to the motorcycle chassis via the first mounting position.

4. The anti-collision beam structure under the motorcycle chassis according to claim 2, characterized in that: A reinforcing beam which is in the same plane as the surrounding beam is also arranged inside the surrounding beam.

5. The motorcycle chassis lower anti-collision beam structure according to claim 2, characterized in that: The anti-fall guard bar at least includes a longitudinal beam installed on the surrounding beam, and the longitudinal beam and the surrounding beam are not in the same plane.

6. The anti-collision beam structure under the motorcycle chassis according to claim 5, characterized in that: A cross beam which is in the same plane as the longitudinal beam is arranged at the top end of the longitudinal beam.

7. The anti-collision beam structure under the motorcycle chassis according to claim 6, characterized in that: The ends of both sides of the cross beam are provided with second mounting positions, and the anti-fall guard bar is fixedly connected to the motorcycle chassis through the second mounting positions.

8. The motorcycle chassis lower anti-collision beam structure according to claim 1, characterized in that: The chassis armor and the anti-fall bumper are both made of hollow tubes, and cooling water can flow into the interior of the tubes.

9. The motorcycle chassis lower anti-collision beam structure according to claim 2, characterized in that: The end of the surrounding beam is provided with a water guide port.

10. The motorcycle chassis lower anti-collision beam structure according to claim 5, characterized in that: A mounting beam parallel to the longitudinal beam is also arranged beside the longitudinal beam.