Motor home spare tire fixing frame

By hiding the nut in the RV spare tire fixture and using a limiting mechanism, the problem of easy loosening and anti-theft of the nut is solved, and the firm fixation and safety of the spare tire is achieved.

CN223279210UActive Publication Date: 2025-08-29TIANJIN ZHONGJING AUTOMOBILE MFG CO LTD
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Patent Information

Application Number
CN202421825181.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-31
Publication Date
2025-08-29
Estimated Expiration
2034-07-31

AI Technical Summary

Technical Problem

The nuts and bolts of the existing RV spare tire fixture are exposed outside the vehicle, which is prone to separation due to vibration, affecting safety and cannot prevent theft.

Method used

A spare tire fixing frame for RV is designed. The nut is located in the car. The limiting mechanism is used to ensure that the nut is fixed between the annular pad and the limiting rod to prevent loosening. Through the coordination of the limiting rod and the anti-detachment rod, the nut is detachable and the anti-theft effect.

Benefits of technology

It improves the fixing and firmness of the spare tire, prevents falling off, and improves the safety and anti-theft performance of the RV.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223279210U_ABST
    Figure CN223279210U_ABST
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Abstract

The utility model discloses a motor home spare tire fixing frame which comprises a motor home, a first mounting hole is formed in the side of the motor home, a rubber sheet is attached to the outer side of the motor home, a spare tire is attached to one side of the rubber sheet, a second mounting hole is formed in the middle of the spare tire, and an outer plate is attached to the position, away from the motor home, of one side of the spare tire. A lead screw is fixed to one side of the outer plate, an annular base plate is attached to the inner side of the touring car, a limiting mechanism is arranged at the position, close to a nut, of the end of the lead screw, the touring car spare tire fixing frame is provided with the nut, the nut is located in the touring car, people outside the touring car cannot detach a spare tire, and the spare tire achieves the anti-theft effect; and the limiting mechanism is arranged, so that the nut can be fixed between the annular base plate and the limiting rod, the nut cannot loosen on the lead screw, the firmness of the spare tire after being fixed is guaranteed, the spare tire is prevented from falling off, and the safety of the motor home is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of spare tire installation for recreational vehicles, in particular to a spare tire fixing rack for recreational vehicles. Background Art

[0002] A motorhome is a special type of vehicle that combines the functions of a home and a car. It is a mobile vehicle equipped with the basic facilities required for a home. To ensure that the motorhome can continue to drive even if a tire is damaged, a spare tire is installed on the outside of the motorhome.

[0003] For example, Chinese utility model patent CN203854759U provides a spare tire mounting bracket and vehicle, relating to the automotive field. The spare tire mounting bracket includes: a spare tire mounting plate in a triangular shape; multiple mounting holes located on the outer protrusion of the spare tire mounting plate; multiple spare tire mounting long tubes for securing the spare tire mounting plate to the vehicle body via bolts, the spare tire mounting long tubes being located on one side of the multiple mounting holes on the spare tire mounting plate; and multiple spare tire mounting studs for securing the spare tire to the spare tire mounting plate via spare tire mounting nuts, the spare tire mounting studs being located on the other side of the multiple mounting holes on the spare tire mounting plate. The spare tire mounting bracket has a simple structure, facilitates spare tire installation, and meets spare tire mounting strength requirements, ensuring a secure and reliable spare tire installation.

[0004] Although the above-mentioned authorized patent can fix the spare tire, the nuts and bolts used to fix the spare tire are exposed outside the car and cannot play an anti-theft effect. Since the RV will vibrate during driving, the bolts and nuts are likely to separate, resulting in low safety.

[0005] In view of the above problems, it is urgent to carry out innovative design based on the original RV spare tire fixing frame. Utility Model Content

[0006] The purpose of the present utility model is to provide a spare tire fixing rack for a recreational vehicle to solve the problems raised by the above-mentioned background technology.

[0007] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a spare tire fixing bracket for a motorhome, comprising a motorhome, a first mounting hole being provided on the side of the motorhome, a rubber sheet being adhered to the outside of the motorhome, a spare tire being adhered to one side of the rubber sheet, a second mounting hole being provided in the middle of the spare tire, an outer panel being adhered to one side of the spare tire away from the motorhome, a screw rod being fixed to one side of the outer panel, an annular pad being adhered to the inside of the motorhome, a third mounting hole being provided on the side of the annular pad, the end of the screw rod passing through the second mounting hole, the first mounting hole and the third mounting hole in sequence, and a nut being installed on the internal thread of the nut, and the side of the nut and the side of the annular pad being adhered to each other, and a limiting mechanism being provided at the end of the screw rod near the nut.

[0008] Preferably, the limiting mechanism includes a limiting hole, a limiting hole is opened at the end of the screw rod, a limiting rod is installed through the inside of the limiting hole, a groove is opened at the bottom of one side of the limiting rod below the limiting hole, a spring is fixed to the inner wall of the groove, an anti-slip rod is fixed to the end of the spring, and the end of the anti-slip rod passes through the inside of the groove.

[0009] Preferably, there are six of the first mounting hole, the second mounting hole, the screw rod, the third mounting hole and the nut, all of which are distributed at equal angles with respect to the central axis of the outer plate.

[0010] Preferably, a pulling hole is provided on the top of the limiting rod above the limiting hole.

[0011] Preferably, there are two grooves, springs and anti-slip rods symmetrically distributed about the central axis of the limiting rod, and the anti-slip rod and the groove form a sliding connection, and one side of the limiting rod fits with one side of the nut.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the spare tire fixing bracket for RV is provided with a nut, and the nut is located inside the RV, so that people outside the RV cannot remove the spare tire, so that the spare tire has an anti-theft effect; a limiting mechanism is provided, so that the nut can be fixed between the annular pad and the limiting rod, so that the nut will not loosen on the screw rod, thereby ensuring the firmness of the spare tire after being fixed, preventing the spare tire from falling off, and improving the safety of the RV;

[0013] By pressing the two anti-drop rods with two fingers, the two anti-drop rods are respectively received into the inside of the two grooves, so that the limiting rod can be taken out from the inside of the limiting hole and inserted into the inside of the limiting hole, and the elastic force generated by the spring allows the end of the anti-drop rod to extend from the inside of the groove, so that the anti-drop rod can prevent the limiting rod and the limiting hole from separating. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0015] Figure 2 For this utility model Figure 1 A in the middle is an enlarged structural diagram;

[0016] Figure 3 This is a side view of the installation structure of the annular pad of the utility model;

[0017] Figure 4 For this utility model Figure 3 The enlarged structural diagram at B in the middle;

[0018] Figure 5 This is a side view structural diagram of the spare tire of the utility model;

[0019] Figure 6 This is a schematic diagram of the side view distribution structure of the screw rod of the utility model;

[0020] Figure 7 This is a side view diagram of the distribution structure of the second mounting holes of the present invention;

[0021] Figure 8 This is a side view diagram of the distribution structure of the first mounting hole of the present invention.

[0022] In the figure: 1. RV; 2. First mounting hole; 3. Spare tire; 4. Second mounting hole; 5. Outer panel; 6. Screw; 7. Ring pad; 8. Third mounting hole; 9. Nut; 10. Limit hole; 11. Limit rod; 12. Pull hole; 13. Groove; 14. Spring; 15. Anti-slip rod. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1-8The utility model provides a technical solution: a spare tire fixing rack for a motorhome, comprising a motorhome 1, a first mounting hole 2 being opened on the side of the motorhome 1, a rubber sheet being attached to the outside of the motorhome 1, a spare tire 3 being attached to one side of the rubber sheet, a second mounting hole 4 being opened in the middle of the spare tire 3, an outer panel 5 being attached to one side of the spare tire 3 away from the motorhome 1, a screw rod 6 being fixed to one side of the outer panel 5, an annular pad 7 being attached to the inside of the motorhome 1, a third mounting hole 8 being opened on the side of the annular pad 7, an end portion of the screw rod 6 sequentially passing through the second mounting hole 4, the first mounting hole 2 and the third mounting hole 8, and a nut 9 being installed with internal threads, and the side of the nut 9 is attached to the side of the annular pad 7, and a limiting mechanism is provided at the end portion of the screw rod 6 near the nut 9.

[0025] The limiting mechanism includes a limiting hole 10, and a limiting hole 10 is opened at the end of the screw rod 6. A limiting rod 11 is installed through the inside of the limiting hole 10. The bottom of one side of the limiting rod 11 is located below the limiting hole 10 and is provided with a groove 13. A spring 14 is fixed to the inner wall of the groove 13, and an anti-slip rod 15 is fixed to the end of the spring 14. The end of the anti-slip rod 15 passes through the interior of the groove 13.

[0026] There are six first mounting holes 2 , second mounting holes 4 , screw rods 6 , third mounting holes 8 and nuts 9 distributed at equal angles with respect to the central axis of the outer panel 5 , thereby improving the firmness of the spare tire 3 after being fixed.

[0027] A pulling hole 12 is provided on the top of the limiting rod 11 above the limiting hole 10 , and the limiting rod 11 can be conveniently pulled to move through the pulling hole 12 .

[0028] There are two grooves 13, springs 14 and anti-slip rods 15 symmetrically distributed about the central axis of the limiting rod 11, and the anti-slip rod 15 and the groove 13 form a sliding connection, and one side of the limiting rod 11 fits into one side of the nut 9. Under the limitation of the anti-slip rod 15, the limiting rod 11 will not be separated from the limiting hole 10, and the nut 9 will not be loose on the screw rod 6, thereby ensuring the firmness of the spare tire 3 after being fixed, preventing the spare tire 3 from falling off, and improving the safety of the RV.

[0029] Working principle: When using the RV spare tire fixing rack, first press the two anti-detachment rods 15 with two fingers so that the two anti-detachment rods 15 are respectively received into the inside of the two grooves 13, and the two springs 14 are compressed at the same time, and then pull the limit rod 11 upward through the pull hole 12 until the top of the anti-detachment rod 15 enters the inside of the limit hole 10, release the two fingers until the limit rod 11 is separated from the limit hole 10, and according to the above principle, remove the other five limit rods 11, and then use a wrench to rotate the nut 9 to separate the nut 9 from the screw rod 6 until all six nuts 9 are removed, and finally remove the spare tire 3 from the outside of the RV 1.

[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A spare tire fixing rack for a recreational vehicle, comprising a recreational vehicle (1), characterized in that: A first mounting hole (2) is provided on the side of the RV (1), a rubber sheet is attached to the outside of the RV (1), a spare tire (3) is attached to one side of the rubber sheet, a second mounting hole (4) is provided in the middle of the spare tire (3), an outer plate (5) is attached to one side of the spare tire (3) away from the RV (1), a screw rod (6) is fixed to one side of the outer plate (5), an annular pad (7) is attached to the inside of the RV (1), a third mounting hole (8) is provided on the side of the annular pad (7), the end of the screw rod (6) passes through the second mounting hole (4), the first mounting hole (2) and the third mounting hole (8) in sequence, and a nut (9) is installed on the internal thread, and the side of the nut (9) is attached to the side of the annular pad (7), and a limiting mechanism is provided at the end of the screw rod (6) near the nut (9).

2. The RV spare tire fixing bracket according to claim 1, characterized in that: The limiting mechanism comprises a limiting hole (10), the end of the screw rod (6) is provided with a limiting hole (10), the interior of the limiting hole (10) is penetrated and installed with a limiting rod (11), the bottom of one side of the limiting rod (11) is located below the limiting hole (10) and is provided with a groove (13), the inner wall of the groove (13) is fixed with a spring (14), the end of the spring (14) is fixed with an anti-slip rod (15), and the end of the anti-slip rod (15) penetrates the interior of the groove (13).

3. The RV spare tire fixing bracket according to claim 1, characterized in that: There are six of the first mounting holes (2), the second mounting holes (4), the screw rods (6), the third mounting holes (8) and the nuts (9) all distributed at equal angles with respect to the central axis of the outer plate (5).

4. The RV spare tire fixing bracket according to claim 2, characterized in that: A pulling hole (12) is provided on the top of the limiting rod (11) above the limiting hole (10).

5. The RV spare tire fixing bracket according to claim 4, characterized in that: The groove (13), the spring (14) and the anti-slip rod (15) are symmetrically distributed in two pieces about the central axis of the limiting rod (11), and the anti-slip rod (15) and the groove (13) form a sliding connection, and one side of the limiting rod (11) and one side of the nut (9) are in contact with each other.

Citation Information

Patent Citations

  • Spare tyre mounting bracket and automobile

    CN203854759U