A spare tire cover structure for an automobile

Abstract

The utility model provides a spare tire cover plate structure for automobile belongs to the technical field of automobile accessories, the utility model embodiment provides the spare tire cover plate structure for automobile, when the cover plate body closes the warehouse mouth of spare tire warehouse, the limiting cover on the cover plate body can be covered in the outside of automobile spare tire, make automobile spare tire be positioned in the limiting cover and cannot produce radial movement. Meanwhile, the press -hold subassembly on the cover plate body can be pressed on the wheel hub of automobile spare tire, to press the wheel hub of automobile spare tire and be positioned in the spare tire warehouse of automobile trunk, reach the purpose of limiting automobile spare tire axial movement. In this way, effectively prevent automobile spare tire from producing the wobble or jumping and avoid automobile spare tire wear and tear. Besides, when the press -hold subassembly is pressed on the wheel hub of automobile spare tire, the press -hold subassembly can play the supporting role to the central position of cover plate body, plus multiple support subassembly play the supporting reinforcement processing to cover plate body, effectively avoid the collapse deformation of cover plate body when placing heavy articles.

Description

Technical Field

[0001] This utility model belongs to the field of automotive parts technology, and in particular, relates to a spare tire cover structure for automobiles. Background Technology

[0002] A car's spare tire is usually located in the spare tire compartment in the trunk, and a spare tire cover is generally installed on top of the compartment to cover the spare tire. Currently, there is a large gap between the spare tire cover and the spare tire. During vehicle operation, the spare tire may shake or bounce within the spare tire compartment due to bumps, leading to damage from prolonged shaking and impacts. Furthermore, placing heavy items on top of the spare tire cover can easily cause it to collapse and deform. Utility Model Content

[0003] Based on the above-mentioned problems in the prior art, the purpose of this utility model embodiment is to provide a spare tire cover structure for automobiles, so as to solve the technical problems in the prior art that automobile spare tires are prone to shaking or jumping and thus damaged, and that spare tire covers are prone to collapse and deformation when heavy items are placed on them.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is: to provide a spare tire cover structure for automobiles, comprising: A cover plate body is used to cover the opening of the spare tire compartment in the trunk of a car. The cover plate body is provided with a rotating shaft that is rotatably inserted into a shaft hole in the trunk of the car. The limiting assembly includes a limiting cover for covering the outside of the vehicle's spare tire to limit radial movement of the spare tire, and a pressing assembly for pressing against the wheel hub of the vehicle's spare tire to limit axial movement of the spare tire. Multiple support assemblies for supporting the cover plate body, each support assembly being disposed on the side of the cover plate body facing the spare tire compartment, and the end of each support assembly opposite to the cover plate body abutting against the inner bottom surface of the spare tire compartment; and A locking assembly is provided on the cover body for locking the cover body to the spare tire compartment in the trunk of a vehicle. Each of the bracket assemblies includes a fixed sleeve fixedly mounted on the cover plate body, a support column slidably inserted into the fixed sleeve along the axial direction, a support foot located at one end of the support column, a first spring for elastically pushing the support column toward the outside of the fixed sleeve, and a screw rotatably mounted on the cover plate body. The support column has a first internal thread hole that mates with the external thread of the screw. One end of the screw extends into the fixed sleeve and is threadedly connected to the first internal thread hole. The first spring is located in the fixed sleeve and is sleeved on the outside of the screw.

[0005] Furthermore, the pressing assembly includes a guide sleeve fixedly disposed on the cover plate body, a pressing post slidably inserted into the guide sleeve along the axial direction, a pressing sleeve fixedly connected to the pressing post, and a stud rotatably disposed on the cover plate body. The pressing post is provided with a second internal thread hole that mates with the external thread of the stud. One end of the stud extends into the guide sleeve and is threadedly connected to the second internal thread hole. The pressing sleeve is slidably disposed on the outside of the fixed sleeve.

[0006] Furthermore, the pressing assembly includes an elastic covering sleeve disposed on the outside of the pressing sleeve, the elastic covering sleeve being made of elastic silicone or rubber.

[0007] Furthermore, the pressing assembly also includes a second spring disposed between the cover plate body and the pressing sleeve, one end of the second spring abutting the cover plate body and the other end of the second spring abutting the pressing sleeve.

[0008] Furthermore, the number of the second springs is set to multiple, and the multiple second springs are arranged in a ring array on the cover plate body. One end of each second spring abuts against the cover plate body, and the other end of each second spring abuts against the pressure sleeve.

[0009] Furthermore, the cover plate body is provided with an annular support seat for supporting the pressure sleeve around the guide sleeve. The annular support seat has a plurality of mounting holes for accommodating and positioning the second spring. The plurality of mounting holes are arranged in an annular array on the annular support seat. One end of each second spring is located in the mounting hole, and the other end of each second spring abuts against the pressure sleeve.

[0010] Furthermore, the shape of the cavity of the limiting cover is the same as the outer contour of the car spare tire, and a rubber pad is provided on the inner wall of the cavity.

[0011] Furthermore, each of the bracket assemblies also includes a first rotary handle for driving the screw to rotate, and the cover plate body is provided with a first receiving groove for accommodating the first rotary handle.

[0012] Furthermore, the locking assembly includes a rod for insertion into a lock hole in the trunk of a car, a sliding block for moving the rod, a guide rod for guiding the sliding block to move axially along the rod, and a third spring sleeved on the guide rod. The cover plate body is provided with a sliding hole, a guide hole, and a sliding groove. The sliding hole and the guide hole are respectively connected to the sliding groove. The rod can be slidably inserted into the sliding hole along the axis, and the guide rod can be slidably inserted into the guide hole along the axis. The sliding block and the third spring are located in the sliding groove. One end of the third spring abuts against the inner sidewall of the sliding groove, and the other end of the third spring abuts against the sliding block.

[0013] Furthermore, the fixed sleeve has at least two slide rails extending along its axial direction inside, and the support column has a slide groove that mates with the slide rails, with each slide rail slidably installed in the corresponding slide groove.

[0014] Compared with the prior art, one or more technical solutions in the embodiments of this utility model have at least one of the following beneficial effects: In this embodiment of the utility model, the spare tire cover structure for automobiles, when the spare tire compartment opening is closed, features a limiting cover that covers the outside of the spare tire and restricts its movement from the outer periphery, preventing radial movement. Simultaneously, a pressing component on the cover presses against the spare tire rim, positioning it within the spare tire compartment of the trunk and limiting axial movement. This effectively prevents the spare tire from shaking or bouncing, thus avoiding wear. Furthermore, when the pressing component presses against the spare tire rim, it supports the center of the cover body. Combined with multiple support components, this provides excellent support and reinforcement, effectively preventing the cover from collapsing or deforming when heavy items are placed on it. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 A three-dimensional structural diagram of the automotive spare tire cover structure provided by this utility model; Figure 2 Another three-dimensional structural diagram of the spare tire cover for automobiles provided by this utility model; Figure 3 A cross-sectional structural schematic diagram of the spare tire cover structure for automobiles provided by this utility model; Figure 4 A three-dimensional structural diagram of the cover plate body provided by this utility model; Figure 5 A three-dimensional structural diagram of the limiting cover provided by this utility model; Figure 6 An exploded view of the pressure-resistant sleeve and elastic covering sleeve provided by this utility model; Figure 7 Assembly drawing of the support column and support foot provided for this utility model; Figure 8 An exploded view of the structure of the spare tire cover for automobiles provided by this utility model.

[0017] The following are the labeling elements in the figure: Cover plate body; 11-rotating shaft; 12-annular support seat; 121-mounting hole; 13-sliding hole; 14-guide hole; 15-sliding groove; 16-first receiving groove; 17-second receiving groove; 2-Limiting assembly; 21-Limiting cover; 211-Cavity; 22-Pressure assembly; 221-Guide sleeve; 222-Pressure post; 2221-Second internal threaded hole; 223-Pressure sleeve; 224-Stud; 225-Second rotating handle; 226-Elastic covering sleeve; 227-Second spring; 3-Bracket assembly; 31-Fixing sleeve; 311-Slide rail; 32-Support column; 321-First internal threaded hole; 322-Slide groove; 33-Support foot; 34-First spring; 35-Screw; 36-First rotating handle; 4-Locking assembly; 41-Plugging rod; 42-Sliding block; 43-Guide rod; 44-Third spring. Detailed Implementation

[0018] To make the technical problems, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0019] It should be noted that when an element is referred to as "connected to" or "set on" another element, it can be directly on or indirectly on the other element. When an element is referred to as "connected to" another element, it can be directly connected to or indirectly connected to the other element. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," "third," and "fourth" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified. In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "attached" should be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral connection; a mechanical connection or an electrical connection; a direct connection or an indirect connection through an intermediate medium; or a connection within two elements or an interaction between two elements. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0020] Throughout this specification, reference to "an embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment is included in at least one embodiment of this application. Therefore, the phrases "in one embodiment," "in some embodiments," or "in some of these embodiments" appear in various places throughout the specification, and not all refer to the same embodiment. Furthermore, in one or more embodiments, particular features, structures, or characteristics may be combined in any suitable manner.

[0021] Please refer to the following: Figures 1 to 8 The structure of the spare tire cover for automobiles provided in this embodiment of the present invention will now be described. Please refer to the following for further details. Figure 1 , Figure 2 and Figure 3The spare tire cover structure for automobiles provided in this embodiment includes a cover body 1, a limiting component 2, multiple bracket assemblies 3, and a locking component 4. The cover body 1 is used to cover the spare tire compartment opening of the automobile trunk. The cover body 1 is provided with a rotating shaft 11 for rotatably inserting into a shaft hole in the automobile trunk. After the rotating shaft 11 is rotatably inserted into the shaft hole in the automobile trunk, the cover body 1 can be rotated around the rotating shaft 11 to open or close the spare tire compartment opening of the automobile trunk. The limiting component 2 includes a limiting cover 21 and a pressing component 22. The limiting cover 21 is connected to the side of the cover body 1 facing the spare tire compartment. The pressing component 22 is disposed on the side of the cover body 1 facing the spare tire compartment, and the pressing component 22 is located at the center of the inside of the limiting cover 21. When the cover body 1 closes the spare tire compartment opening of the car trunk, the limiting cover 21 covers the outside of the spare tire, and the inner wall of the limiting cover 21 is in interference contact with the spare tire to limit the spare tire from the outer periphery, so that the spare tire is positioned in the limiting cover 21 and cannot move radially. At the same time, the holding assembly 22 presses against the wheel hub of the spare tire to press and position the wheel hub of the spare tire in the spare tire compartment of the car trunk, thereby restricting the axial movement of the spare tire. Multiple bracket assemblies 3 are used to support the cover body 1 when the spare tire compartment opening is closed. Each bracket assembly 3 is located on the side of the cover body 1 facing the spare tire compartment, and the end of each bracket assembly 3 facing away from the cover body 1 abuts against the inner bottom surface of the spare tire compartment. Locking assembly 4 is disposed on cover body 1. Locking assembly 4 is used to lock cover body 1 to the spare tire compartment of the car trunk when the spare tire compartment opening of cover body 1 is closed. Each bracket assembly 3 includes a fixing sleeve 31 fixedly disposed on cover body 1, a support column 32 slidably inserted into fixing sleeve 31, a support foot 33 disposed at one end of support column 32, a first spring 34 for elastically pushing support column 32 toward the outside of fixing sleeve 31, and a screw 35 rotatably disposed on cover body 1. Support column 32 is provided with a first internal thread hole 321 that mates with the external thread of screw 35. One end of screw 35 extends into fixing sleeve 31 and is threadedly connected to the first internal thread hole 321. First spring 34 is located in fixing sleeve 31 and is sleeved on the outside of screw 35. When the spare tire compartment is closed by the cover body 1, the length of the support column 32 extending out of the fixing sleeve 31 is adjusted by rotating the screw 35, so that the support foot 33 can abut against the inner bottom surface of the spare tire compartment. This allows the cover body 1 to be supported by multiple bracket assemblies 3, preventing the cover body 1 from collapsing or deforming when heavy items are placed on it.

[0022] Compared with the prior art, the spare tire cover structure for automobiles provided in this embodiment of the utility model has the following advantages: When the spare tire compartment opening is closed, the limiting cover 21 on the cover body 1 can cover the outside of the spare tire and limit its position from the outer periphery, preventing radial movement. Simultaneously, the pressing component 22 on the cover body 1 presses against the rim of the spare tire, positioning it within the spare tire compartment of the trunk, thus restricting axial movement. This effectively prevents the spare tire from shaking or bouncing, avoiding wear. Furthermore, when the pressing component 22 presses against the rim of the spare tire, it supports the center of the cover body 1. Combined with the support of multiple bracket components 3, this provides excellent support and reinforcement, effectively preventing the cover body 1 from collapsing or deforming when heavy items are placed on it.

[0023] Please refer to the following: Figure 1 , Figure 3 and Figure 8 In some embodiments, the pressing assembly 22 includes a guide sleeve 221 fixedly disposed on the cover plate body 1, a pressing post 222 slidably inserted into the guide sleeve 221, a pressing sleeve 223 fixedly connected to the pressing post 222, and a stud 224 rotatably disposed on the cover plate body 1. The pressing post 222 is provided with a second internal thread hole 2221 that engages with the external thread of the stud 224. One end of the stud 224 extends into the guide sleeve 221 and is threadedly connected to the second internal thread hole 2221. The pressing sleeve 223 is slidably sleeved on the outside of the fixed sleeve 31. In this embodiment, the other end of the stud 224 is provided with a second rotating handle 225 for driving the stud 224 to rotate, and the cover plate body 1 is provided with a second receiving groove 17 for accommodating the second rotating handle 225. By rotating the second rotary handle 225, the stud 224 rotates. The engagement of the external thread of the stud 224 with the internal thread of the second internal threaded hole 2221 causes the pressure post 222 to extend and retract within the guide sleeve 221. This movement, via the pressure post 222, adjusts the tightness of the pressure sleeve 223 against the spare tire rim, ensuring the spare tire rim is securely held and positioned in the spare tire compartment of the trunk. Furthermore, the extension and retraction of the pressure post 222 within the guide sleeve 221 allows for the adaptation to different models or specifications of spare tire rims, offering strong versatility.

[0024] Please refer to the following: Figure 3 , Figure 6 and Figure 8In some embodiments, the pressing assembly 22 includes an elastic covering sleeve 226 covering the outside of the pressing sleeve 223. The elastic covering sleeve 226 is made of elastic silicone or rubber. In this embodiment, by covering the outside of the pressing sleeve 223 with the elastic covering sleeve 226, the elastic covering sleeve 226 can generate a certain elastic deformation when compressed, so that the pressing sleeve 223 can make interference contact with the rim of the spare tire. On the one hand, this enhances the stability of the pressing assembly 22 in pressing against the rim of the spare tire, and on the other hand, it avoids scratching the rim of the spare tire.

[0025] Please refer to the following: Figure 1 , Figure 3 and Figure 8 In some embodiments, the pressing assembly 22 further includes a second spring 227 disposed between the cover plate body 1 and the pressing sleeve 223. One end of the second spring 227 abuts against the cover plate body 1, and the other end of the second spring 227 abuts against the pressing sleeve 223. In this embodiment, the second spring 227 is disposed between the cover plate body 1 and the pressing sleeve 223. The elastic force of the second spring 227 assists the pressing sleeve 223 in pressing against the wheel hub of the spare tire, thereby enhancing the uniformity of the force on the wheel hub of the spare tire.

[0026] Please refer to the following: Figure 1 , Figure 3 and Figure 8 In some embodiments, the number of second springs 227 is set to multiple, and the multiple second springs 227 are arranged in a ring array on the cover plate body 1. One end of each second spring 227 abuts against the cover plate body 1, and the other end of each second spring 227 abuts against the pressure sleeve 223. In this embodiment, the arrangement of multiple second springs 227 in a ring array between the cover plate body 1 and the pressure sleeve 223 can further enhance the uniformity of the force on the wheel hub of the spare tire.

[0027] Please refer to the following: Figure 3 and Figure 4In some embodiments, the cover plate body 1 is provided with an annular support seat 12 for supporting the pressing sleeve 223 around the guide sleeve 221. The annular support seat 12 has a plurality of mounting holes 121 for accommodating and positioning the second springs 227. The plurality of mounting holes 121 are arranged in a ring array on the annular support seat 12. One end of each second spring 227 is located in the mounting hole 121, and the other end of each second spring 227 abuts against the pressing sleeve 223. In this embodiment, by providing an annular support seat 12 on the cover plate body 1 and providing a plurality of mounting holes 121 on the annular support seat 12, and by placing one end of each second spring 227 in the mounting hole 121 and the other end of each second spring 227 abutting against the pressing sleeve 223, the elastic force of the second springs 227 can assist the pressing sleeve 223 in pressing against the wheel hub of the spare tire.

[0028] Please refer to the following: Figure 1 , Figure 3 and Figure 5 In some embodiments, the shape of the cavity 211 of the limiting cover 21 is the same as the outer contour shape of the car spare tire, and a rubber pad is provided on the inner wall of the cavity 211 so that the limiting cover 21 can make interference contact with the car spare tire, thereby enhancing the stability of the limiting cover 21 in positioning the car spare tire.

[0029] Please refer to the following: Figure 2 and Figure 8 In some embodiments, each bracket assembly 3 further includes a first rotary handle 36 for driving the screw 35 to rotate, and the cover plate body 1 is provided with a first receiving groove 16 for accommodating the first rotary handle 36. In this embodiment, simply rotating the first rotary handle 36 can drive the screw 35 to rotate, thereby realizing the length adjustment of the bracket assembly 3.

[0030] Please refer to the following: Figure 2 , Figure 3 and Figure 8In some embodiments, the locking assembly 4 includes a rod 41 for insertion into a lock hole in a car trunk, a sliding block 42 for moving the rod 41, a guide rod 43 for guiding the sliding block 42 to move axially along the rod 41, and a third spring 44 sleeved on the guide rod 43. The cover plate body 1 is provided with a sliding hole 13, a guide hole 14, and a sliding groove 15. The sliding hole 13 and the guide hole 14 are respectively connected to the sliding groove 15. The rod 41 can be slidably inserted into the sliding hole 13 axially, and the guide rod 43 can be slidably inserted into the guide hole 14 axially. The sliding block 42 and the third spring 44 are located in the sliding groove 15. One end of the third spring 44 abuts against the inner sidewall of the sliding groove 15, and the other end of the third spring 44 abuts against the sliding block 42. In this embodiment, the sliding block 42 is pushed along the first direction by the elastic force of the third spring 44, so that the insert rod 41 is inserted into the lock hole of the car trunk. Without external force to overcome the elastic force of the third spring 44, the insert rod 41 cannot disengage from the lock hole, thus locking the cover body 1 onto the car trunk. At this time, the cover body 1 cannot open the spare tire compartment opening. When it is necessary to open the spare tire compartment opening, simply push the sliding block 42 along the second direction opposite to the first direction to overcome the elastic force of the third spring 44, so that the sliding block 42 drives the insert rod 41 to disengage from the lock hole, and then the cover body 1 can be rotated around the pivot 11 to open the spare tire compartment opening.

[0031] Please refer to the following: Figure 4 , Figure 7 and Figure 8 In some embodiments, the fixed sleeve 31 is provided with at least two slide rails 311 extending along its axial direction inside, and the support column 32 is provided with a slide groove 322 that cooperates with the slide rails 311. Each slide rail 311 is slidably installed in the corresponding slide groove 322. The support column 32 is installed in the fixed sleeve 31 through the sliding cooperation between the slide rails 311 and the slide groove 322, thereby enhancing the stability and reliability of the axial sliding of the support column 32 while preventing circumferential rotation of the support column 32.

[0032] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A spare tire cover structure for automobiles, characterized in that, include: A cover plate body is used to cover the opening of the spare tire compartment in the trunk of a car. The cover plate body is provided with a rotating shaft that is rotatably inserted into a shaft hole in the trunk of the car. The limiting assembly includes a limiting cover for covering the outside of the vehicle's spare tire to limit radial movement of the spare tire, and a pressing assembly for pressing against the wheel hub of the vehicle's spare tire to limit axial movement of the spare tire. Multiple support assemblies are provided to support the cover plate body. Each support assembly is located on the side of the cover plate body facing the spare tire compartment, and the end of each support assembly facing away from the cover plate body abuts against the inner bottom surface of the spare tire compartment. as well as A locking assembly is provided on the cover body for locking the cover body to the spare tire compartment in the trunk of a vehicle. Each of the bracket assemblies includes a fixed sleeve fixedly mounted on the cover plate body, a support column slidably inserted into the fixed sleeve along the axial direction, a support foot located at one end of the support column, a first spring for elastically pushing the support column toward the outside of the fixed sleeve, and a screw rotatably mounted on the cover plate body. The support column has a first internal thread hole that mates with the external thread of the screw. One end of the screw extends into the fixed sleeve and is threadedly connected to the first internal thread hole. The first spring is located in the fixed sleeve and is sleeved on the outside of the screw.

2. The spare tire cover structure for automobiles as described in claim 1, characterized in that, The pressing assembly includes a guide sleeve fixedly disposed on the cover plate body, a pressing post that can be slidably inserted into the guide sleeve along the axial direction, a pressing sleeve fixedly connected to the pressing post, and a stud rotatably disposed on the cover plate body. The pressing post is provided with a second internal thread hole that mates with the external thread of the stud. One end of the stud extends into the guide sleeve and is threadedly connected to the second internal thread hole. The pressing sleeve is slidably sleeved on the outside of the fixed sleeve.

3. The spare tire cover structure for automobiles as described in claim 2, characterized in that, The pressure-holding assembly includes an elastic cover sleeve disposed on the outside of the pressure sleeve, the elastic cover sleeve being made of elastic silicone or rubber.

4. The spare tire cover structure for automobiles as described in claim 2, characterized in that, The pressing assembly further includes a second spring disposed between the cover plate body and the pressing sleeve, one end of the second spring abutting the cover plate body and the other end of the second spring abutting the pressing sleeve.

5. The spare tire cover structure for automobiles as described in claim 4, characterized in that, The number of the second springs is set to multiple, and the multiple second springs are arranged in a ring array on the cover plate body. One end of each second spring abuts against the cover plate body, and the other end of each second spring abuts against the pressure sleeve.

6. The spare tire cover structure for automobiles as described in claim 4, characterized in that, The cover plate body is provided with an annular support seat for supporting the pressure sleeve around the guide sleeve. The annular support seat has a plurality of mounting holes for accommodating and positioning the second spring. The plurality of mounting holes are arranged in an annular array on the annular support seat. One end of each second spring is located in the mounting hole, and the other end of each second spring abuts against the pressure sleeve.

7. The spare tire cover structure for automobiles as described in claim 1, characterized in that, The shape of the cavity of the limiting cover is the same as the outer contour of the car spare tire, and a rubber pad is provided on the inner wall of the cavity.

8. The spare tire cover structure for automobiles as described in claim 1, characterized in that, Each of the bracket assemblies further includes a first rotary handle for driving the screw to rotate, and the cover plate body is provided with a first receiving groove for accommodating the first rotary handle.

9. The spare tire cover structure for automobiles as described in claim 1, characterized in that, The locking assembly includes a rod for insertion into a lock hole in a car trunk, a sliding block for moving the rod, a guide rod for guiding the sliding block to move axially along the rod, and a third spring sleeved on the guide rod. The cover plate body has a sliding hole, a guide hole, and a sliding groove. The sliding hole and the guide hole are respectively connected to the sliding groove. The rod can be slidably inserted into the sliding hole along the axis, and the guide rod can be slidably inserted into the guide hole along the axis. The sliding block and the third spring are located in the sliding groove. One end of the third spring abuts against the inner sidewall of the sliding groove, and the other end of the third spring abuts against the sliding block.

10. The spare tire cover structure for automobiles as described in any one of claims 1 to 9, characterized in that, The fixed sleeve has at least two slide rails extending along its axial direction inside, and the support column has a slide groove that mates with the slide rails. Each slide rail is slidably installed in the corresponding slide groove.

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