Spare tire fixing device and vehicle

Abstract

The utility model discloses a spare tire fixing device and a vehicle, and relates to the technical field of vehicles, the spare tire fixing device comprises a bracket assembly used for accommodating a spare tire, and the bracket assembly is in sliding connection with a frame of the vehicle; the bracket assembly is provided with a containing position hidden at the bottom of the vehicle and an opening position moved out of the bottom of the vehicle through sliding of the bracket assembly. And the locking assembly is connected with the bracket assembly and the frame, and the locking assembly has a locking state for locking the bracket assembly at the accommodating position and an unlocking state for enabling the bracket assembly to slide. According to the technical scheme provided by the utility model, the convenience of taking and placing the spare tire is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicles, and particularly relates to a spare tire fixing device and a vehicle. Background Art

[0002] A spare tire fixing device is a device provided on a vehicle for storing a spare tire, which facilitates timely replacement when a tire fails.

[0003] There is a conventional spare tire fixing device, which includes a bracket that is rotatably arranged at the bottom of the vehicle. In the normal driving state, the spare tire is fixed on the bracket, and the bracket supports the spare tire at the bottom of the vehicle. When a tire needs to be replaced, the user flips the bracket downward so that the spare tire can be taken out.

[0004] However, when taking out and putting in the spare tire with such a spare tire fixing device, the user often needs to lie down or even crawl under the vehicle, which has the problem of inconvenient operation. Summary of the Utility Model

[0005] The main purpose of the utility model is to provide a spare tire fixing device and a vehicle, aiming to improve the convenience when taking out and putting in the spare tire.

[0006] To achieve the above object, the spare tire fixing device proposed by the utility model is applied to a vehicle and includes:

[0007] A bracket assembly for receiving the spare tire, the bracket assembly is slidably connected to the vehicle frame, and the bracket assembly has a receiving position hidden under the vehicle and an open position moved out of the bottom of the vehicle through its own sliding; and

[0008] A locking assembly connecting the bracket assembly and the vehicle frame, the locking assembly has a locking state for locking the bracket assembly in the receiving position and an unlocking state for making the bracket assembly slidable.

[0009] In one embodiment, the bracket assembly is slidably connected to the vehicle frame along the width direction of the vehicle.

[0010] In one embodiment, the spare tire fixing device further includes a bracket assembly, the bracket assembly is fixed to the vehicle frame, and the bracket assembly is slidably connected to the bracket assembly.

[0011] In one embodiment, the bracket assembly is provided with a chute, and the bracket assembly includes:

[0012] A spare tire rack for receiving the spare tire; and

[0013] A sliding member arranged on the spare tire rack, the sliding member passes through the chute and slides along the chute.

[0014] In one embodiment, along the direction from the receiving position to the open position, the distance between the slide groove and the ground decreases.

[0015] In one embodiment, one end of the spare tire rack is rotatably connected to the sliding member, and the spare tire rack is turned around the sliding member so that the other end of the spare tire rack is close to or away from the vehicle frame; and / or,

[0016] The bracket assembly is provided with a sliding space and two opposite sliding grooves communicated with the sliding space, and the spare tire rack is provided with one end of the sliding member extending into the sliding space, and the two ends of the sliding member are passed through the two sliding grooves.

[0017] In one embodiment, the locking assembly comprises:

[0018] Hooks; and

[0019] A locking member, provided with a hanging hole corresponding to the hook, one of the hook and the locking member is arranged on the frame, and the other of the hook and the locking member is arranged on the bracket assembly;

[0020] The hook is inserted into the hanging hole so that the locking assembly is in the locked state, and the hook is removed from the hanging hole so that the locking assembly is in the unlocked state.

[0021] In one embodiment, the hook is arranged on the vehicle frame, and the spare tire fixing device also includes an adjusting component, which is arranged on the bracket assembly. The locking member has a first end and a second end opposite to each other, the first end is provided with the hanging hole, and the second end can be movably passed through the adjusting component, and the adjusting component is used to adjust the distance that the first end extends out of the adjusting component.

[0022] In one embodiment, the adjustment component comprises:

[0023] A mounting member, arranged on the bracket assembly, the mounting member is provided with a through hole, and the outer peripheral wall of the second end is provided with an external thread and penetrates the through hole;

[0024] The first nut is arranged on a side of the mounting member away from the hook. The first nut is threadedly connected to the locking member. The distance that the first end extends out of the adjusting component can be adjusted by rotating the first nut.

[0025] In one embodiment, the adjustment assembly further includes a second nut, which is disposed on a side of the mounting member away from the first nut and is threadedly connected to the locking member, and is used to clamp the mounting member with the first nut; and / or,

[0026] The adjusting assembly further includes a third nut, which is disposed on a side of the first nut away from the mounting member and is threadedly connected to the locking member, and is used to block the first nut from moving away from the mounting member.

[0027] In one embodiment, the spare tire fixing device further includes a driving assembly, and the driving assembly is drivingly connected to the bracket assembly to drive the bracket assembly to slide.

[0028] The present invention also provides a vehicle, including the above-mentioned spare tire fixing device.

[0029] In the technical solution of the present invention, the bracket assembly of the spare tire fixing device is slidably disposed at the bottom of the vehicle, so that the bracket assembly can slide into and out of the bottom of the vehicle. When the bracket assembly slides into the bottom of the vehicle, the bracket assembly is in a receiving position, which is convenient for receiving and hiding the spare tire and the bracket assembly; when the bracket assembly slides out of the bottom of the vehicle, the bracket assembly is in an open position, and the user does not have to lie down or squat down to pick up and place the spare tire from the bottom of the vehicle, improving the convenience and safety when picking up and placing the spare tire. The locking assembly has a locked state and an unlocked state. When the locking assembly is in the unlocked state, the bracket assembly can slide and switch between the receiving position and the open position; when the locking assembly is in the locked state, the locking assembly locks the bracket assembly in the receiving position, making the bracket assembly unable to slide, thus ensuring the safety during the driving of the vehicle. Description of the Drawings

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on the structures shown in these drawings without creative efforts.

[0031] Figure 1 Structural schematic of an embodiment of the spare tire fixing device provided by the present invention Figure 1 ;

[0032] Figure 2 Structural schematic of an embodiment of the spare tire fixing device provided by the present invention Figure 2 ;

[0033] Figure 3 Structural schematic of an embodiment of the spare tire fixing device provided by the present invention Figure 3 ;

[0034] Figure 4 Structural schematic of an embodiment of the spare tire fixing device provided by the present invention Figure 4 ;

[0035] Figure 5 Structural schematic of an embodiment of the spare tire fixing device provided by the present utility model Figure 5 ;

[0036] Figure 6 Partial structural schematic of an embodiment of the spare tire fixing device provided by the present utility model Figure 1 ;

[0037] Figure 7 Partial structural schematic of an embodiment of the spare tire fixing device provided by the present utility model Figure 2 。

[0038] Explanation of the reference numerals in the drawings:

[0039] 100, bracket assembly; 110, spare tire rack; 120, sliding member;

[0040] 200, locking assembly; 210, hook; 220, locking member;

[0041] 300, bracket assembly; 301, chute; 302, sliding space;

[0042] 400, adjustment assembly; 410, mounting member; 420, first nut; 430, second nut; 440, third nut.

[0043] The realization of the purpose, functional features and advantages of the present utility model will be further described with reference to the embodiments and the accompanying drawings. Specific embodiments

[0044] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0045] It should be noted that if there are directional indications (such as up, down, left, right, front, back...) involved in the embodiments of the present utility model, the directional indications are only used to explain the relative position relationship and movement conditions between the components in a specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0046] In the present utility model, unless otherwise clearly defined and limited, terms such as "connection" and "fixation" shall be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral one; "connection" can be a mechanical connection or an electrical connection, can be directly connected, or indirectly connected through an intermediate medium, and can be the communication inside two components or the interaction relationship between two components. Unless otherwise clearly limited, for those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0047] In addition, if there are descriptions such as "first" and "second" in the embodiments of the present utility model, such descriptions of "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and / or" appearing throughout the text includes three parallel scenarios. Taking "A and / or B" as an example, it includes Scenario A, or Scenario B, or the scenario where both A and B are satisfied simultaneously. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0048] The present utility model provides a spare tire fixing device.

[0049] Please refer to Figures 1 to 2 , Figure 1 which is a schematic structural diagram of an embodiment of the spare tire fixing device provided by the present utility model Figure 1 , Figure 2 which is a schematic structural diagram of an embodiment of the spare tire fixing device provided by the present utility model Figure 2 .

[0050] In an embodiment of the present utility model, the spare tire fixing device is applied to a vehicle and includes:

[0051] A bracket assembly 100 for accommodating a spare tire. The bracket assembly 100 is slidably connected to the vehicle frame. The bracket assembly 100 has a receiving position hidden under the vehicle bottom and an open position moved out of the vehicle bottom through its own sliding; and

[0052] A locking assembly 200 connecting the bracket assembly 100 and the vehicle frame. The locking assembly 200 has a locked state for locking the bracket assembly 100 in the receiving position and an unlocked state for making the bracket assembly 100 slidable.

[0053] In the technical solution of the present utility model, the spare tire fixing device slides the bracket assembly 100 at the bottom of the vehicle, enabling the bracket assembly 100 to slide into and out of the bottom of the vehicle. When the bracket assembly 100 slides into the bottom of the vehicle, the bracket assembly 100 is in the receiving position, facilitating the accommodation and hiding of the spare tire and the bracket assembly 100; when the bracket assembly 100 slides out of the bottom of the vehicle, the bracket assembly 100 is in the open position, and the user does not have to lie down or squat to pick up and place the spare tire from the bottom of the vehicle, improving the convenience and safety when picking up and placing the spare tire. The locking assembly 200 has a locked state and an unlocked state. When the locking assembly 200 is in the unlocked state, the bracket assembly 100 can slide and switch between the receiving position and the open position; when the locking assembly 200 is in the locked state, the locking assembly 200 locks the bracket assembly 100 in the receiving position, preventing the bracket assembly 100 from sliding, thereby ensuring the safety during vehicle driving.

[0054] Among them, for the bracket assembly 100 to slide into and out of the bottom of the vehicle, it can adopt the way of sliding along the front-rear direction of the vehicle, such as sliding out from the rear of the vehicle; or it can adopt the way of sliding along the width direction of the vehicle, such as sliding out from the side of the vehicle.

[0055] In an embodiment, the bracket assembly 100 is slidably connected to the vehicle frame along the width direction of the vehicle.

[0056] Refer to Figures 1 to 4 , in the embodiment of the present utility model, the bracket slides out from the side of the vehicle, and the user picks up and places the spare tire at the side of the vehicle. Even if there are problems such as unstable lifting or vehicle slipping of the vehicle, the possibility of causing accidental injury to the user is relatively low, further improving the safety when the user picks up and places the spare tire; on the other hand, during most of the mileage of vehicle driving, it travels forward. The bracket assembly 100 slidably arranged along the width direction of the vehicle is less likely to accidentally slide out compared to the bracket assembly 100 slidably arranged along the front-rear direction of the vehicle. Even if there is a problem that the bracket assembly 100 accidentally slides out due to damage to the locking assembly 200 during vehicle driving, the bracket assembly 100 sliding out along the width direction of the vehicle can easily be discovered by the user through the rearview mirror, so as to stop the vehicle in time for handling, improving the driving safety.

[0057] Specifically in this embodiment, when the bracket assembly 100 switches from the receiving position to the open position, it slides out to the right side in the vehicle's forward direction, corresponding to the traffic regulation of driving on the right side in our country. When the user parks the vehicle on the roadside to replace the spare tire, the bracket assembly 100 slides towards the outside of the road instead of the middle of the road, further improving the safety when picking up and placing the spare tire.

[0058] In an embodiment, the spare tire fixing device further includes a bracket assembly 300. The bracket assembly 300 is fixed to the vehicle frame, and the bracket assembly 100 is slidably connected to the bracket assembly 300.

[0059] Reference Figure 1 and Figure 2 In the embodiment of the present utility model, the general structures of the vehicle frames of different vehicle models are generally different. When the bracket assembly 100 is directly slidably connected to the vehicle frame, different bracket assemblies 100 need to be designed according to different vehicle models, which is relatively complex. In this embodiment, the bracket assembly 100 is slidably connected to the bracket assembly 300, and the assembly with the vehicle frame through the bracket assembly 300 can reduce the design and assembly difficulty, facilitate the spare tire fixing device to be applicable to different vehicle models, and improve the adaptability of the spare tire fixing device.

[0060] In an embodiment, the bracket assembly 300 is provided with a chute 301, and the bracket assembly 100 includes:

[0061] A spare tire rack 110 for accommodating a spare tire; and

[0062] A sliding member 120 is provided on the spare tire rack 110, and the sliding member 120 passes through the chute 301 and slides along the chute 301.

[0063] Reference Figures 3 to 5 In the embodiment of the present utility model, the bracket assembly 100 includes a spare tire rack 110 and a sliding member 120. The spare tire rack 110 mainly functions to accommodate the spare tire. The sliding member 120 provided on the spare tire rack 110 slides along the chute 301 provided on the bracket assembly 300, so that the spare tire rack 110 slides along the chute 301 of the bracket assembly 300. The structure is simple and easy to implement, the sliding track is accurate, and the bracket assembly 100 is not likely to get stuck or skewed when sliding into or out of the vehicle bottom.

[0064] In an embodiment, along the direction from the accommodation position to the open position, the distance between the chute 301 and the ground decreases.

[0065] Reference Figures 3 to 5 In the embodiment of the present utility model, along the direction from the accommodation position to the open position, the distance between the chute 301 and the ground decreases, so that the height of the bracket assembly 100 is relatively high at the accommodation position, reducing the possibility of collision between the bracket assembly 100 and the obstacles under the vehicle during vehicle driving and improving the passing performance of the vehicle; the height of the bracket assembly 100 is relatively low at the open position, and it will drop slightly during the process of switching from the accommodation position to the open position, reducing the possibility of collision between the bracket assembly 100 and other components of the vehicle during the process of sliding out from the bottom of the vehicle.

[0066] In an embodiment, one end of the spare tire rack 110 is rotatably connected to the sliding member 120, and the spare tire rack 110 rotates around the sliding member 120 to make the other end of the spare tire rack 110 close to or away from the vehicle frame; and / or,

[0067] The bracket assembly 300 is provided with a sliding space 302 and two opposite sliding grooves 301 communicating with the sliding space 302. One end of the spare tire carrier 110, which is provided with a sliding member 120, extends into the sliding space 302, and both ends of the sliding member 120 are passed through the two sliding grooves 301.

[0068] Referring to Figures 3 to 5 , in the embodiment of the present utility model, one end of the spare tire carrier 110 is rotatably connected to the sliding member 120, so that the spare tire carrier 110 can be turned over around the sliding member 120, thereby making the other end of the spare tire carrier 110 close to or away from the vehicle frame. Specifically in this embodiment, the sliding member 120 is a pin shaft. When the end of the spare tire carrier 110 away from the sliding member 120 is close to the vehicle frame, the spare tire carrier 110 and the bracket assembly 300 clamp the spare tire in the middle, ensuring the firm placement of the spare tire; when the end of the spare tire carrier 110 away from the sliding member 120 is away from the vehicle frame, the spare tire carrier 110 is away from the bracket assembly 300, and the open opening is larger, making it more convenient to take and place the spare tire.

[0069] Referring to Figure 5 and Figure 6 , in the embodiment of the present utility model, one end of the spare tire carrier 110, which is provided with a sliding member 120, extends into the sliding space 302, and both ends of the sliding member 120 slide in the two sliding grooves 301 on both sides of the sliding space 302, making the sliding structure between the bracket assembly 100 and the bracket assembly 300 more compact, and improving the stability of the sliding member 120 during sliding, reducing the possibility of the bracket assembly 100 skewing or jamming during sliding.

[0070] In one embodiment, the locking assembly 200 includes:

[0071] A hook 210; and

[0072] A locking member 220, provided with a hanging hole corresponding to the hook 210, one of the hook 210 and the locking member 220 is provided on the vehicle frame, and the other of the hook 210 and the locking member 220 is provided on the bracket assembly 100;

[0073] Wherein, the hook 210 passes through the hanging hole so that the locking assembly 200 is in a locked state, and the hook 210 disengages from the hanging hole so that the locking assembly 200 is in an unlocked state.

[0074] Referring to Figure 7, in an embodiment of the present utility model, the locking assembly 200 includes a hook 210 and a locking member 220. It can be implemented by setting the hook 210 on the vehicle frame and the locking member 220 on the bracket assembly 100, or by setting the locking member 220 on the vehicle frame and the hook 210 on the bracket assembly 100. A hanging hole corresponding to the hook 210 is provided on the locking member 220. When the hook 210 is inserted into the hanging hole, the hook 210 and the locking member 220 are connected together, thereby locking the bracket assembly 100 to the vehicle frame and preventing the bracket assembly 100 from sliding; when the hook 210 withdraws from the hanging hole, the hook 210 is separated from the locking member 220, and the bracket assembly 100 can slide relative to the vehicle frame. The structure of the locking assembly 200 is simple, easy to manufacture, and has a low manufacturing cost.

[0075] In an embodiment, the hook 210 is provided on the vehicle frame. The spare tire fixing device further includes an adjusting assembly 400. The adjusting assembly 400 is provided on the bracket assembly 100. The locking member 220 has opposite first and second ends. A hanging hole is provided at the first end, and the second end is movably inserted through the adjusting assembly 400. The adjusting assembly 400 is used to adjust the distance that the first end extends out of the adjusting assembly 400.

[0076] Refer to Figure 1 , Figure 2 and Figure 7, in an embodiment of the present utility model, the locking assembly 200 is configured by providing a locking member 220 on the vehicle frame and a hook 210 on the bracket assembly 100. The spare tire fixing device further includes an adjusting assembly 400. A hanging hole is provided at the first end of the locking member 220, and the second end thereof passes through the adjusting assembly 400. The distance that the first end extends out of the adjusting assembly 400 can be adjusted through the adjusting assembly 400. Specifically, when the hook 210 is inserted into the hanging hole, the distance that the locking member 220 extends out of the adjusting assembly 400 generally corresponds to the height of the spare tire, which not only prevents the spare tire from shaking up and down in the spare tire rack 110, but also prevents the hook 210 from disengaging from the hanging hole during vehicle driving; when it is necessary to disengage the hook 210 from the hanging hole, the distance that the locking member 220 extends out of the adjusting assembly 400 can be increased through the adjusting assembly 400, so that the spare tire rack 110 can be flipped slightly to drive the locking member 220 to move up and down, thereby disengaging the hook 210 from the hanging hole; when it is necessary to insert the hook 210 into the hanging hole again, at this time, the distance that the locking member 220 extends out of the adjusting assembly 400 is greater than the thickness of the spare tire, which facilitates the operation of inserting the hook 210 into the hanging hole; after the hook 210 is inserted into the hanging hole, in order to prevent the spare tire from shaking up and down and the hook 210 from jolting out, at this time, the distance that the locking member 220 extends out of the adjusting assembly 400 can be reduced through the adjusting assembly 400, so that the distance that the locking member 220 extends out of the adjusting assembly 400 corresponds to the height of the spare tire again, thereby fixing the spare tire firmly. Among them, the adjustment of the extending height of the locking member 220 can be achieved by screwing the locking member 220 and the adjusting assembly 400, or by providing protrusions on the outer wall of the locking member 220 and providing a plurality of grooves corresponding to the protrusions along the height direction on the adjusting assembly 400, and realizing different extending heights of the locking member 220 by inserting the protrusions into different grooves.

[0077] In one embodiment, the adjusting assembly 400 includes:

[0078] A mounting member 410, provided on the bracket assembly 100, the mounting member 410 is provided with a through hole, and the outer peripheral wall of the second end is provided with an external thread and passes through the through hole;

[0079] A first nut 420, provided on the side of the mounting member 410 away from the hook 210, the first nut 420 is threadedly connected to the locking member 220, and the distance that the first end extends out of the adjusting assembly 400 is adjusted by rotating the first nut 420.

[0080] Refer to Figure 7In the embodiment of the utility model, the adjustment component 400 includes a mounting member 410 and a first nut 420. The mounting member 410 is fixed on the bracket assembly 100. The first nut 420 is arranged on the side of the mounting member 410 away from the hook 210. By adjusting the position of the first nut 420 on the locking member 220, the relative position of the mounting member 410 and the locking member 220 is changed, so that the height of the locking member 220 extending out of the adjustment component 400 is adjusted. For example, when the first nut 420 is screwed toward the direction close to the ground, the mounting member 410 can drive the spare tire rack 110 downward, which is equivalent to the height of the locking member 220 extending out of the mounting member 410 increasing. The adjustment component 400 in this embodiment has a simple structure, is easy to implement, and has low cost.

[0081] In one embodiment, the adjustment assembly 400 further includes a second nut 430, which is disposed on a side of the mounting member 410 away from the first nut 420 and is threadedly connected to the locking member 220, and is used to clamp the mounting member 410 with the first nut 420; and / or,

[0082] The adjustment assembly 400 further includes a third nut 440 , which is disposed on a side of the first nut 420 away from the mounting member 410 and is threadedly connected to the locking member 220 , and is used to prevent the first nut 420 from moving in a direction away from the mounting member 410 .

[0083] Reference Figure 7 In an embodiment of the utility model, the adjustment assembly 400 also includes a second nut 430, which is arranged on a side of the mounting member 410 away from the first nut 420. The first nut 420 and the second nut 430 are screwed in a direction approaching each other, so that the mounting member 410 can be clamped and locked to prevent the mounting member 410 from shaking up and down during the driving of the vehicle, thereby ensuring the stability of the locking assembly 200 and the bracket assembly 100.

[0084] Reference Figure 7 In an embodiment of the utility model, the adjustment assembly 400 also includes a third nut 440, which prevents the first nut 420 from loosening, ensures the stability of the relative position of the locking member 220 and the mounting member 410, thereby ensuring the reliability of the locking assembly 200 when it is in a locked state, reducing the possibility of accidental unlocking of the locking assembly 200, and thus improving the safety of the spare tire fixing device.

[0085] In one embodiment, the spare tire fixing device further includes a driving assembly, and the driving assembly drives the connecting bracket assembly 100 to drive the bracket assembly 100 to slide.

[0086] In an embodiment of the present utility model, the spare tire fixing device further includes a driving component. The driving component can adopt various forms such as an electric push rod and a linear motor. The driving component drives the bracket component 100 to automatically slide in and out, reducing manual operation and further improving the convenience for users to pick up and place the spare tire.

[0087] The present utility model also provides a vehicle including the above-mentioned spare tire fixing device. The specific structure of the spare tire fixing device refers to the above embodiment. Since this vehicle adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought by the technical solutions of the above embodiments, which will not be elaborated here one by one. Among them, the spare tire fixing device is particularly suitable for being applied to commercial vehicles with a relatively high chassis such as light trucks and heavy trucks.

[0088] The above is only an exemplary embodiment of the present utility model, and does not limit the patent scope of the present utility model accordingly. Any equivalent structural transformation made under the technical concept of the present utility model by using the content of the specification and drawings of the present utility model, or any direct / indirect application in other related technical fields is included in the patent protection scope of the present utility model.

Claims

1. A spare tire fixing device, applied to a vehicle, characterized in that: include: A bracket assembly for accommodating a spare tire, the bracket assembly being slidably connected to a frame of the vehicle, the bracket assembly having a accommodating position hidden at the bottom of the vehicle and an open position moved out of the bottom of the vehicle by sliding itself; as well as A locking assembly connects the bracket assembly and the vehicle frame, wherein the locking assembly has a locking state for locking the bracket assembly at the receiving position and an unlocking state for allowing the bracket assembly to slide.

2. The spare tire fixing device according to claim 1, characterized in that: The bracket assembly is slidably connected to the vehicle frame along the width direction of the vehicle.

3. The spare tire fixing device according to claim 1, characterized in that: The spare tire fixing device also includes a bracket assembly, the bracket assembly is fixed to the vehicle frame, and the bracket assembly is slidably connected to the bracket assembly.

4. The spare tire fixing device according to claim 3, characterized in that: The bracket assembly is provided with a slide groove, and the bracket assembly comprises: A spare tire rack for accommodating a spare tire; and A sliding member is arranged on the spare tire rack, and the sliding member is passed through the sliding groove and slides along the sliding groove.

5. The spare tire fixing device according to claim 4, characterized in that: Along the direction from the receiving position to the opening position, the distance between the sliding groove and the ground decreases.

6. The spare tire fixing device according to claim 4, characterized in that: One end of the spare tire rack is rotatably connected to the sliding member, and the spare tire rack is turned around the sliding member so that the other end of the spare tire rack is close to or away from the vehicle frame; and / or, The bracket assembly is provided with a sliding space and two opposite sliding grooves communicated with the sliding space, and the spare tire rack is provided with one end of the sliding member extending into the sliding space, and the two ends of the sliding member are passed through the two sliding grooves.

7. The spare tire fixing device according to claim 1, characterized in that: The locking assembly comprises: Hooks; and A locking member, provided with a hanging hole corresponding to the hook, one of the hook and the locking member is arranged on the frame, and the other of the hook and the locking member is arranged on the bracket assembly; The hook is inserted into the hanging hole so that the locking assembly is in the locked state, and the hook is removed from the hanging hole so that the locking assembly is in the unlocked state.

8. The spare tire fixing device according to claim 7, characterized in that: The hook is arranged on the vehicle frame, and the spare tire fixing device also includes an adjusting component, which is arranged on the bracket component. The locking member has a first end and a second end opposite to each other, the first end is provided with the hanging hole, and the second end can be movably passed through the adjusting component, and the adjusting component is used to adjust the distance that the first end extends out of the adjusting component.

9. The spare tire fixing device according to claim 8, characterized in that: The adjustment component comprises: A mounting member, arranged on the bracket assembly, the mounting member is provided with a through hole, and the outer peripheral wall of the second end is provided with an external thread and penetrates the through hole; The first nut is arranged on a side of the mounting member away from the hook. The first nut is threadedly connected to the locking member. The distance that the first end extends out of the adjusting component can be adjusted by rotating the first nut.

10. The spare tire fixing device according to claim 9, characterized in that: The adjustment assembly further includes a second nut, which is disposed on a side of the mounting member away from the first nut and is threadedly connected to the locking member, and is used to clamp the mounting member with the first nut; and / or, The adjustment assembly also includes a third nut, which is arranged on a side of the first nut away from the mounting member and is threadedly connected to the locking member to prevent the first nut from moving in a direction away from the mounting member.

11. The spare tire fixing device according to any one of claims 1 to 10, characterized in that: The spare tire fixing device further comprises a driving assembly, wherein the driving assembly is drivingly connected to the bracket assembly to drive the bracket assembly to slide.

12. A vehicle, characterized in that: The invention comprises the spare tire fixing device according to any one of claims 1 to 11.

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