An electric bus spare tire mounting device

Abstract

The utility model relates to vehicle accessory technical field provides a kind of electric motor bus spare tire mounting device, comprising: support, installation space for accommodating spare tire is equipped on it;Guide rail, it is obliquely arranged on support, and it is extended from outside to inside installation space, for guiding spare tire to slide along it to enter or exit installation space;Limiting plate, it is arranged on support and is oppositely arranged with the entry end of installation space, limiting plate and the outside of spare tire abut, for providing limiting for spare tire;Binding piece, it is detachably arranged on support, and binding piece is surrounded in the circumferential outside edge of spare tire, for locking spare tire in installation space. Through guide rail obliquely arranged on support, in installation process, utilize gravity effect, significantly reduce the push force required by artificial to greatly improve the convenience and labor-saving of operation.

Description

Technical Field

[0001] This utility model belongs to the field of vehicle parts, specifically relating to a spare tire mounting device for electric buses. Background Technology

[0002] In modern highway passenger transport and long-distance transportation, electric buses are usually equipped with one or more spare tires to deal with sudden tire blowouts or tire damage during operation. To ensure driving safety and space utilization efficiency, spare tires are generally placed in a dedicated area under the bus chassis and reliably locked in place by a fixing device to prevent them from loosening, falling off, or making abnormal noises during vehicle operation.

[0003] Existing methods for securing spare tires on buses often employ simple brackets and bolts, or involve directly suspending the spare tire on a metal bracket and securing it with chains or steel straps. While these structures achieve basic securing functionality, they have significant shortcomings in practical use.

[0004] During the installation and removal of spare tires, operators must rely entirely on manual labor to lift and position them, resulting in high labor intensity. This is especially true for tire and rim assemblies used on large buses (with an outer diameter of over 1000mm and a weight generally exceeding 50kg), where this method is not only inefficient but also poses a high safety risk, easily leading to muscle strain or accidental injury. Utility Model Content

[0005] To address the aforementioned shortcomings of existing technologies, the technical problem this invention aims to solve is to provide an electric bus spare tire mounting device. By tilting the guide rail onto the bracket, gravity is utilized during installation, significantly reducing the pushing force required manually and greatly improving the convenience and labor-saving aspect of operation. Compared to traditional horizontal brackets or fixing methods that require complete manual lifting, this device significantly reduces the labor intensity of maintenance personnel, and is particularly suitable for frequent loading and unloading scenarios involving heavy bus spare tires.

[0006] The technical solution adopted by this utility model to solve its technical problem is to propose an electric bus spare tire mounting device, comprising: A bracket with mounting space for accommodating a spare tire; A guide rail, which is inclinedly mounted on the bracket and extends from the outside into the mounting space, is used to guide the spare tire to slide along it to enter or exit the mounting space; A limiting plate is disposed on the bracket and opposite to the entrance end of the installation space. The limiting plate abuts against one side of the spare tire to provide a limiting position for the spare tire. A lashing device, detachably mounted on the bracket, surrounds the outer periphery of the spare tire for securing the spare tire within the mounting space.

[0007] In the above-mentioned spare tire mounting device for electric buses, guide rails are provided on both sides of the bracket, and both guide rails are in contact with the spare tire.

[0008] In the above-mentioned spare tire mounting device for electric buses, rollers are provided on both guide rails, and the outer peripheral surface of the rollers is in contact with the spare tire.

[0009] In the above-mentioned spare tire mounting device for electric buses, the roller is rotatably mounted on the guide rail via a rotating shaft.

[0010] In the above-mentioned spare tire mounting device for electric buses, each of the guide rails is provided with a plurality of rollers at intervals along the sliding direction of the spare tire.

[0011] In the above-mentioned spare tire mounting device for electric buses, the limiting plate has an arc-shaped positioning surface, and the positioning surface is partially in contact with the curved surface of the spare tire wall.

[0012] In the above-mentioned spare tire mounting device for electric buses, the fastening element is a flexible band that wraps around the spare tire at at least three positions.

[0013] In the above-mentioned spare tire mounting device for electric buses, a connector is provided on the bracket, the connector has a hollow part, and the binding member passes through the hollow part and is connected to the connector.

[0014] In the above-mentioned spare tire mounting device for electric buses, at least three connectors are provided on the bracket, the connectors are distributed along the circumference of the spare tire, and the binding members pass through the connectors in sequence.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] (1) By tilting the guide rails onto the bracket, gravity is used during installation, which significantly reduces the pushing force required by manual labor and greatly improves the convenience and labor-saving of operation. Compared with traditional horizontal brackets or fixing methods that require complete manual lifting, this device greatly reduces the labor intensity of maintenance personnel and is especially suitable for frequent loading and unloading of heavy bus spare tires.

[0017] (2) The setting of the limit plate ensures that the spare tire can be accurately positioned every time it is installed, avoiding loose binding or uneven force due to position deviation.

[0018] (3) The rollers on the guide rail convert sliding friction into rolling friction, which significantly reduces the frictional resistance experienced by the spare tire during sliding in and out. The operator only needs to apply a very small force to push the spare tire along the guide rail, which further improves the labor-saving and ease of operation of the device, and is especially suitable for the frequent replacement of spare tires in heavy-duty buses. Attached Figure Description

[0019] Figure 1 This is a top view of the plan.

[0020] Figure 2 This is a side view of the design.

[0021] Figure 3 yes Figure 2 A 3D view of the hidden part of the structure.

[0022] Figure 4 yes Figure 3 A 3D view of the hidden part of the structure.

[0023] In the diagram, 100 is the bracket; 110 is the installation space; 120 is the connector; 121 is the cutout part; 200 is the guide rail; 210 is the roller; 220 is the pivot; 300 is the limit plate; 310 is the positioning surface; and 400 is the binding component. Detailed Implementation

[0024] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0025] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0026] like Figures 1 to 4 As shown, this solution provides an electric bus spare tire mounting device, comprising: a bracket 100 having a mounting space 110 for accommodating the spare tire; a guide rail 200 inclinedly mounted on the bracket 100 and extending from the outside into the mounting space 110 for guiding the spare tire to slide along it to enter or exit the mounting space 110; a limiting plate 300 mounted on the bracket 100 and opposite to the entrance end of the mounting space 110, the limiting plate 300 abutting against one side of the spare tire for providing a limiting position for the spare tire; and a binding member 400 detachably mounted on the bracket 100, the binding member 400 surrounding the outer edge of the spare tire for locking the spare tire within the mounting space 110.

[0027] The initial end of the guide rail 200 is located at a higher position, and the end extends inward and downward to the bottom area of ​​the installation space 110. During operation, when a spare tire needs to be installed, the operator places the spare tire on the guide rail 200. Because the guide rail 200 has an inclined structure with the outer side higher than the inner side, the spare tire tends to slide inward under its own weight. The operator only needs to apply a small pushing force to make the spare tire slide smoothly into the installation space 110 along the guide rail 200.

[0028] As the spare tire continues to slide inward, one side gradually approaches and eventually contacts the limiting plate 300. The position of the limiting plate 300 precisely corresponds to the predetermined installation position of the spare tire. When the spare tire is stably in contact with it, it indicates that the spare tire is accurately in place. Subsequently, the operator uses the lashing device 400 to wrap around the outer edge of the spare tire and lock it, thereby firmly fixing the spare tire within the installation space 110, preventing the spare tire from loosening, falling off, or producing abnormal noises due to vibration, bumps, or sudden braking during vehicle operation.

[0029] When removing the spare tire, first loosen the lashing device 400 to release the restraint on the spare tire. Then, the operator manually pulls the spare tire outward along the guide rail 200. The presence of the guide rail 200 effectively guides the movement trajectory of the spare tire, preventing it from getting stuck, tilting, or scraping against surrounding structures during movement, thus improving the safety and controllability of the removal process.

[0030] By designing the guide rail 200 as a gradually decreasing slope structure from the outside to the inside, gravity is fully utilized during installation, significantly reducing the pushing force required manually and greatly improving the convenience and labor-saving of operation. Compared with traditional horizontal brackets or fixing methods that require manual lifting, this device greatly reduces the labor intensity of maintenance personnel, and is especially suitable for frequent loading and unloading scenarios of heavy bus spare tires.

[0031] Meanwhile, the limiting plate 300 ensures that the spare tire is accurately positioned every time it is installed, avoiding loose fastening or uneven stress due to positional deviations. The detachable connection between the fastening component 400 and the bracket 100 balances reliability and operational flexibility, facilitating quick disassembly and maintenance. The spare tire fixing device in this solution can be installed in a dedicated compartment under the vehicle, in the front equipment compartment, or on the side of the vehicle.

[0032] More preferably, guide rails 200 are provided on both sides of the bracket 100, and both guide rails 200 are in contact with the spare tire. By providing guide rails 200 on both sides of the bracket 100, the bottom of the spare tire is supported by force on both sides simultaneously, realizing dual-rail coordinated guidance and load-bearing, which significantly improves the stability and balance of the spare tire during the sliding process. Compared with a single-sided guide rail 200 support structure, this design effectively prevents the spare tire from tilting, deflecting or getting stuck during sliding in or out, ensuring that its movement trajectory is straight and controllable.

[0033] To reduce the sliding friction resistance between the guide rail 200 and the spare tire, each guide rail 200 is equipped with a roller 210, and the outer circumferential surface of the roller 210 contacts the spare tire, converting sliding friction into rolling friction. This significantly reduces the frictional resistance experienced by the spare tire during sliding in and out. Operators only need to apply minimal force to move the spare tire along the guide rail 200, further enhancing the effort-saving and ease-of-operation nature of the device, making it particularly suitable for frequent spare tire changes in heavy-duty buses.

[0034] More preferably, the roller 210 is rotatably mounted on the guide rail 200 via a pivot 220. This design is simple in structure and allows for flexible rotation, enabling real-time response to changes in the spare tire's speed and direction during sliding, ensuring continuous and stable rolling contact. The surface of the roller 210 can be made of wear-resistant metal or engineering plastic material, ensuring strength while preventing scratches or wear on the spare tire, thus extending the service life of the spare tire and the mounting device.

[0035] More preferably, each guide rail 200 is provided with multiple rollers 210 spaced apart along the sliding direction, forming a continuously distributed rolling support matrix. This multi-point support structure not only effectively disperses the concentrated load of the spare tire, avoiding excessive local stress that could cause deformation or damage to the guide rail 200 or rollers 210, but also significantly improves the stability and straightness of the spare tire during sliding. The synergistic effect of the multiple rollers 210 still maintains good guiding performance, preventing the spare tire from shifting, jamming, or tilting.

[0036] More preferably, the limiting plate 300 has an arc-shaped positioning surface 310 that matches the outer contour of the spare tire. After the spare tire is installed in place, the positioning surface 310 partially fits the curved surface of the spare tire sidewall to achieve precise positioning.

[0037] By designing the limiting plate 300 as an arc-shaped positioning surface 310 that matches the outer contour of the spare tire, a surface contact limiting is achieved after the spare tire is installed. Compared with the traditional point contact or straight edge block structure, this significantly increases the contact area and reduces the pressure per unit area, effectively avoiding local compression damage to the spare tire sidewall or rim. It is especially suitable for preventing rubber aging and deformation or scratches on metal surfaces under long-term fixed working conditions, thus improving the storage safety and service life of the spare tire.

[0038] Furthermore, the radius of curvature of the arc-shaped positioning surface 310 is adapted to the outer diameter of the spare tire, enabling natural centering and self-adaptive fitting as the spare tire slides into place along the guide rail 200. Even with manufacturing tolerances, assembly deviations, or slight deformation of the guide rail 200, the positioning surface 310 can still guide the spare tire to fine-tune its position through continuous contact, ensuring accurate positioning each time it is installed, significantly improving the consistency of positioning and the fault tolerance of operation.

[0039] In addition, the arc-shaped structure has excellent mechanical distribution characteristics, which can evenly transmit the reaction force generated by vibration, bumps or lateral acceleration during vehicle operation to the limit plate 300 body and the support 100 structure, avoiding component deformation or weld cracking caused by local stress concentration, thereby enhancing the structural durability and operational safety of the overall device.

[0040] In summary, the arc-shaped positioning surface 310 not only achieves precise and stable positioning of the spare tire, but also takes into account multiple advantages such as protecting the spare tire, improving structural reliability and assembly tolerance. It is an optimization and upgrade of the traditional rigid positioning structure, with significant technological progress and practical value.

[0041] More preferably, the binding element 400 is a flexible band.

[0042] More preferably, the bracket 100 is provided with a connector 120, which has a hollow portion 121. The binding member 400 passes through the hollow portion 121 and is fixedly connected to the connector 120 through a tensioning mechanism. The tensioning mechanism can be a ratchet-type tensioner.

[0043] More preferably, the bracket 100 is provided with at least three connectors 120, which are distributed around the spare tire. The binding member 400 passes through the hollow part 121 of each connector 120 in sequence and is locked by the tensioning mechanism, so that the flexible belt applies circumferential pressure to the spare tire to form a surrounding locking structure.

[0044] By employing a flexible strap around the outer circumference of the spare tire as a fastening element 400, and in conjunction with at least three connectors 120 distributed circumferentially on the bracket 100, multi-point coordinated locking of the spare tire is achieved. After being tensioned, the flexible strap forms a continuous circumferential clamping force, firmly pressing the spare tire against the support structure composed of the limiting plate 300 and the guide rail 200, effectively preventing axial movement, radial runout, or rotational loosening due to vibration, bumps, or sudden acceleration / braking during vehicle operation.

[0045] Furthermore, at least three connectors 120 are evenly distributed along the circumference of the spare tire, ensuring that the tension of the flexible belt is evenly transmitted to the main body of the bracket 100, avoiding localized stress concentration and improving the stability and reliability of the fixing system. Compared to traditional methods that fix the spare tire at only one or two points, this multi-point fixing structure significantly enhances the spare tire's impact resistance under complex road conditions and reduces the risk of loosening.

[0046] Furthermore, the flexible belt possesses a certain degree of elasticity and adaptability, enabling it to accommodate minor differences in the outer diameter of spare tires of different specifications, or to achieve reliable locking even when manufacturing and assembly tolerances exist, thus enhancing the device's versatility and fault tolerance. Simultaneously, the flexible material can be high-strength nylon or polyester belt, which is lightweight, corrosion-resistant, fatigue-resistant, and not prone to breakage or aging during long-term use, resulting in low maintenance costs.

[0047] The perforated portion 121 on the connector 120 provides a clear path for the binding component 400, guiding operators to quickly complete the installation and avoiding incorrect or missing installations. Combined with the tensioning mechanism, operators can easily achieve high pre-tension locking, and release the buckle for quick disassembly, significantly improving the efficiency and convenience of spare tire installation and removal, especially suitable for emergency rescue or frequent maintenance scenarios. The connector 120 is preferably a U-shaped buckle, with both ends fixed to the bracket, forming a strip-shaped perforated portion 121 in the middle.

[0048] It should be noted that in this utility model, the use of terms such as "first," "second," and "a" is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of those features. In the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly defined. The terms "connection," "fixed," etc., should be interpreted broadly. For example, "fixed" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two elements or the interaction between two elements, unless otherwise explicitly defined. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0049] Furthermore, the technical solutions of the various embodiments of this utility model can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0050] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. A spare tire mounting device for an electric bus, characterized in that, include: A bracket with mounting space for accommodating a spare tire; A guide rail, which is inclinedly mounted on the bracket and extends from the outside into the mounting space, is used to guide the spare tire to slide along it to enter or exit the mounting space; A limiting plate is disposed on the bracket and opposite to the entrance end of the installation space. The limiting plate abuts against one side of the spare tire to provide a limiting position for the spare tire. A lashing device, detachably mounted on the bracket, surrounds the outer periphery of the spare tire for securing the spare tire within the mounting space.

2. The spare tire mounting device for an electric bus as described in claim 1, characterized in that, The bracket is provided with guide rails on both sides, and both guide rails are in contact with the spare tire.

3. The spare tire mounting device for an electric bus as described in claim 2, characterized in that, Both guide rails are equipped with rollers, and the outer circumferential surface of the rollers is in contact with the spare tire.

4. The spare tire mounting device for an electric bus as described in claim 3, characterized in that, The roller is rotatably mounted on the guide rail via a pivot.

5. The spare tire mounting device for an electric bus as described in claim 4, characterized in that, Each of the guide rails is provided with a plurality of rollers spaced apart along the sliding direction of the spare tire.

6. The spare tire mounting device for an electric bus as described in claim 1, characterized in that, The limiting plate has an arc-shaped positioning surface, which partially fits the curved surface of the spare tire sidewall.

7. The spare tire mounting device for an electric bus as described in claim 1, characterized in that, The binding element is a flexible strap.

8. The spare tire mounting device for an electric bus as described in claim 7, characterized in that, The bracket is provided with a connector, which has a hollowed-out portion. The binding member passes through the hollowed-out portion and is connected to the connector.

9. The spare tire mounting device for an electric bus as described in claim 8, characterized in that, The bracket is provided with at least three connectors, which are distributed around the spare tire. The fasteners pass through the cutouts on each connector in sequence.

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