Fastener for automobile spare tire

By designing a spare tire fastener for automobiles, using screws, springs, and locking nuts to secure the wheel hub, and using curved legs and slanted support legs for elastic limiting, the problem of traditional spare tires shaking and making abnormal noises on bumpy roads is solved, thus improving the driving experience.

CN223750995UActive Publication Date: 2026-01-02SHANGHAI QIANG BIAO CAR FASTENERS MFG CO LTD
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Patent Information

Application Number
CN202520465939.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-17
Publication Date
2026-01-02
Estimated Expiration
2035-03-17

AI Technical Summary

Technical Problem

Traditional car spare tires tend to wobble on bumpy roads, causing abnormal noises, a problem that existing foam pads cannot effectively solve.

Method used

A spare tire fastener for automobiles has been designed, comprising a fastening component and a limiting component. The fastening component fastens the wheel hub through a screw, a spring, and a locking nut, while the limiting component elastically presses against the outer periphery of the tire through an arc-shaped leg and a diagonal support leg, thereby fixing and restricting the spare tire.

Benefits of technology

It effectively prevents the spare tire from shaking and making abnormal noises on bumpy roads, thus improving the driving experience.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223750995U_ABST
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Abstract

The utility model relates to the technical field of automobile accessories, and discloses an automobile spare tire fastener which comprises an automobile frame, an inner shell is embedded in the inner wall of the automobile frame, a spare tire is arranged in the inner shell, and a fastening assembly is arranged in the center of the interior of the spare tire and used for fastening a hub. A limiting assembly is arranged on the outer side of the spare tire and used for limiting the outer side of the tire. According to the automobile spare tire fastener, the screw rod is sleeved with a hub of a spare tire, the spring pushes the pressing plate to support the hub, the locking nut is screwed to move downwards, and then the spare tire is fastened and locked; meanwhile, the periphery of the spare tire can sink into the eight protruding strips, the protruding strips abut against the periphery of the spare tire through the elasticity of the arc-shaped legs and the inclined supporting legs, the spare tire is limited, the spare tire is fastened and limited in the process, it is guaranteed that the spare tire cannot shake or bounce, and then abnormal sound cannot be formed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile accessories, in particular to a spare tire fastener of automobile. BACKGROUND

[0002] The spare tire of automobile is an important spare part on the automobile, and is an indispensable component on the sedan, and the main role is to replace the tire when the tire of automobile appears failure in driving, and can temporarily solve the problem that the automobile cannot drive.

[0003] The traditional spare tire of automobile is prevented in the reserved slot under the trunk, and there are corresponding accessories in the reserved slot, such as wrench, jack, tripod and the like, at present, in order to ensure that the spare tire does not shake in the reserved slot, foam pads are filled in the gap to alleviate, but the driving condition of automobile is complex, and there is still bumping condition, the conventional foam pad filling cannot solve the problem of bumping and shaking, and then the spare tire will impact the trunk shell when the automobile drives, resulting in large abnormal sound, which affects the driving experience. UTILITARY MODEL

[0004] (I) technical problem solved

[0005] In view of the defects of the prior art, the utility model provides a spare tire fastener of automobile, which has the advantages of fastening and limiting the spare tire, and solves the above problems.

[0006] (II) technical scheme

[0007] In order to achieve the above-mentioned fastening and limiting purposes of the spare tire, the utility model provides the following technical scheme: a spare tire fastener of automobile, including the inner wall of the frame is embedded with the inner shell, the inside of the inner shell is provided with the spare tire, the inside center of the spare tire is provided with the fastening assembly for fastening the hub, the outer side of the spare tire is provided with the limiting assembly for limiting the outside of the tire.

[0008] Preferably, the fastening assembly includes a base, a screw rod is fixedly installed at the top of the base, a spring is sleeved on the outer side of the screw rod, a pressing plate is arranged at the top of the spring, and a locking nut is threadedly connected with the outer side of the screw rod.

[0009] Preferably, the pressing plate is arranged below the hub, the locking nut is arranged above the hub, and the screw rod penetrates and extends into the center hole of the hub.

[0010] Preferably, the limiting assembly includes a base plate, arc legs are fixedly installed on the outer side of the base plate, a protruding strip is fixedly installed at the other end of the arc leg, an inclined support leg is fixedly installed at the other end of the protruding strip, and the other end of the inclined support leg is abutted against the inner wall of the inner shell.

[0011] Preferably, the base is fixedly installed on the surface of the chassis, the arc legs are mutually adapted to the tire profile, and the protruding strips are pressed against the surface of the tire.

[0012] Preferably, the number of the arc legs is eight, and the arc legs are arranged in a ring array.

[0013] Preferably, the arc legs, the protruding strips and the inclined legs are integrally formed and have elasticity.

[0014] (III) Beneficial Effects

[0015] Compared with the prior art, the automobile spare tire fastener has the following beneficial effects:

[0016] The automobile spare tire fastener has the following beneficial effects: the hub of the spare tire is sleeved on the screw rod, the spring pushes the pressing plate to hold the hub, the locking nut is rotated and lowered, and then the spare tire is fastened and locked; meanwhile, the periphery of the spare tire is also sunk in the eight protruding strips, the elasticity of the arc legs and the inclined legs is utilized to make the protruding strips press against the periphery of the spare tire, the spare tire is limited, the spare tire is fastened and limited in the process, the spare tire is prevented from shaking or bouncing, and then abnormal sound is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is a sectional structure schematic view of the utility model;

[0019] Figure 3 It is an exploded structure schematic view of the utility model;

[0020] Figure 4 It is a structure schematic view of the fastening assembly and the limiting assembly of the utility model;

[0021] Figure 5 It is an exploded structure schematic view of the fastening assembly and the limiting assembly of the utility model.

[0022] In the drawing: 1, frame; 2, inner shell; 3, spare tire; 4, fastening assembly; 5, limiting assembly; 41, base; 42, screw rod; 43, spring; 44, pressing plate; 45, locking nut; 51, chassis; 52, arc leg; 53, protruding strip; 54, inclined leg. DETAILED DESCRIPTION

[0023] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made belong to the scope of protection of the present application.

[0024] Please refer to Figures 1-2 The utility model provides a kind of automobile spare tire fastener, including frame 1, the inner wall of frame 1 is embedded with inner shell 2, inner shell 2 can be made of rubber, not only have protection function, but also can alleviate vibration;Inner shell 2 is provided with spare tire 3 inside, the inside center of spare tire 3 is provided with fastening assembly 4, for fastening hub;The outside of spare tire 3 is provided with limiting assembly 5, for limiting outside tire.

[0025] Please refer to Figures 3-5 Fastening assembly 4 includes base 41, base 41 is fixedly installed with screw rod 42 on top, screw rod 42 is inserted and extends into the center hole of hub, spring 43 is sleeved on the outside of screw rod 42, spring 43 is provided with pressing plate 44 on top, pressing plate 44 is placed below hub, and is sleeved on the outside of screw rod 42;Screw rod 42 is threadedly connected with locking nut 45 on the outside, locking nut 45 is placed above hub, by screwing locking nut 45 down, spare tire 3 can be fixed on screw rod 42.

[0026] Please refer to Figures 3-5 Limiting assembly 5 includes chassis 51, base 41 is fixedly installed on the surface of chassis 51, arc leg 52 is fixedly installed on the outside of chassis 51, the number of arc leg 52 is eight, and is arranged in annular array, arc leg 52 is mutually adapted with tire contour;Another end of arc leg 52 is fixedly installed with protruding strip 53, protruding strip 53 is pressed on the surface of tire;Another end of protruding strip 53 is fixedly installed with inclined support leg 54, another end of inclined support leg 54 is pressed on the inner wall of inner shell 2, arc leg 52, protruding strip 53 and inclined support leg 54 are integrally formed, and have elasticity.

[0027] Working principle: in use, by the hub of spare tire 3 is sleeved on screw rod 42, spring 43 pushes pressing plate 44 to hold hub, with screwing locking nut 45 down, in turn spare tire 3 is fastened and locked;

[0028] At the same time, the periphery of spare tire 3 will also sink into eight protruding strips 53, the elasticity of arc leg 52 and inclined support leg 54 is used, so that protruding strip 53 is pressed on the periphery of spare tire 3, to limit spare tire 3, in this process, spare tire 3 is fastened and limited, to ensure that spare tire 3 does not sway or bounce, in turn, abnormal sound is not formed.

[0029] When the spare tire 3 is taken out, the locking nut 45 is previously disassembled with the screw rod 42, the spare tire 3 is pulled up by force, and the spare tire 3 not only leaves the screw rod 42, but also leaves the convex strip 53, so that the spare tire 3 is taken out.

[0030] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary 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 present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A spare tire fastener for a vehicle comprising a frame (1) characterized in that: The inner wall of the frame (1) is embedded with an inner shell (2), the inner shell (2) is internally provided with a spare tire (3), the inside center of the spare tire (3) is provided with a fastening assembly (4) for fastening the hub; the outer side of the spare tire (3) is provided with a limiting assembly (5) for limiting the outside of the tire.

2. A spare tire fastener for a vehicle as defined in claim 1, wherein: The fastening assembly (4) comprises a base (41), the top of the base (41) is fixedly installed with a screw rod (42), the outer side of the screw rod (42) is sleeved with a spring (43), the top of the spring (43) is provided with a pressing plate (44), the outer side of the screw rod (42) is threadedly connected with a locking nut (45).

3. A spare tire fastener for a vehicle as defined in claim 2, wherein: The pressing plate (44) is placed below the hub, the locking nut (45) is placed above the hub, and the screw rod (42) penetrates and extends into the center hole of the hub.

4. A spare tire fastener for a vehicle as defined in claim 2, wherein: The limiting assembly (5) comprises a bottom disc (51), the outer side of the bottom disc (51) is fixedly installed with an arc-shaped leg (52), the other end of the arc-shaped leg (52) is fixedly installed with a protruding strip (53), the other end of the protruding strip (53) is fixedly installed with an inclined support leg (54), and the other end of the inclined support leg (54) is abutted against the inner wall of the inner shell (2).

5. A spare tire fastener for a vehicle as defined in claim 4, wherein: The base (41) is fixedly installed on the surface of the bottom disc (51), the arc-shaped leg (52) is adapted to the shape of the tire, and the protruding strip (53) is abutted against the surface of the tire.

6. A spare tire fastener for a vehicle as defined in claim 4, wherein: The number of the arc-shaped legs (52) is eight, which are arranged in a ring array.

7. A spare tire fastener for a vehicle as defined in claim 4, wherein: The arc-shaped leg (52), the protruding strip (53) and the inclined support leg (54) are integrally formed and have elasticity.