A fastener, hubcap mounting structure, and hub assembly

Abstract

This utility model discloses a fastener, a hub cover mounting structure, and a hub assembly, including a first fixing member, a first movable member penetrating the first fixing member, and a first control member disposed within the first fixing member and controlling the extension length of the first movable member relative to the outer surface of the first fixing member. The first fixing member can connect to the hub cover. By rotating the first control member, the extension amount of the first movable member relative to the first fixing member is controlled, thereby enabling the fastener to be inserted into the center hole of the hub and fixed by the first movable member against the center hole, thus fixing the hub cover. This installation method is simple, easy to implement, and has strong connection stability. Its fixing position can be adjusted according to actual needs. When it is necessary to transfer the fastener to other hubs for installation, by rotating the first control member, the first movable member and the center hole are in a non-abutment state, thereby transferring it to other hubs for installation. It has strong versatility and good interchangeability.

Description

Technical Field

[0001] This utility model belongs to the field of automotive parts technology, specifically relating to a fastener, a wheel hub cover mounting structure, and a wheel hub assembly. Background Technology

[0002] The wheel assembly includes the wheel hub and the wheel cover mounted on the wheel hub. In the prior art, the wheel cover is installed on the wheel hub by coaxial connection, mostly using threaded fastening. However, this installation method requires many installation tools, and its installation and disassembly are cumbersome, with low connection stability. For different wheel hub specifications, there are different installation heights. Different wheel cover mounting structures are not interchangeable because their heights are not adjustable. To solve at least one of the above technical problems, it is necessary to develop a fastener, a wheel cover mounting structure, and a wheel assembly. Utility Model Content

[0003] The purpose of this utility model is to provide a fastener, a hub cover mounting structure, and a hub assembly to solve the above-mentioned technical problems. By rotating the first control member, the extension amount of the first movable member relative to the first fixed member is controlled, so that the fastener is inserted into the center hole of the hub and fixed by the first movable member against the center hole, thereby fixing the hub cover. This installation method is simple, easy to implement, and has strong connection stability. The fixed position can be adjusted according to actual needs. When it is necessary to transfer the fastener to other hubs for installation, by rotating the first control member, the first movable member is made to be in a non-abutment state with the center hole, so that it can be transferred to other hubs for installation. It has strong versatility and good interchangeability.

[0004] To achieve the above-mentioned objectives, the technical solution adopted by this utility model is as follows:

[0005] A fastener includes a first fixing member, a first movable member penetrating the first fixing member, and a first control member disposed within the first fixing member and controlling the extension length of the first movable member relative to the outer surface of the first fixing member. The first fixing member can be connected to a hub cover. By rotating the first control member, the extension amount of the first movable member relative to the first fixing member is controlled, thereby allowing the fastener to be inserted into the center hole of the hub and fixed by the first movable member abutting against the center hole, thus securing the hub cover. This installation method is simple, easy to implement, and has strong connection stability. The fixed position can be adjusted according to actual needs. When it is necessary to transfer the fastener to other hubs for installation, by rotating the first control member, the first movable member and the center hole are placed in a non-abutting state, thus allowing the fastener to be transferred to other hubs for installation. It has strong versatility and good interchangeability.

[0006] Preferably, the first control element includes a control element body and an abutment end disposed on the side of the control element body to abut the first movable element at different abutment heights. By providing an abutment end that can abut the first movable element at different heights, the amount of protrusion of the first movable element relative to the outer surface of the control element body is controlled, thereby enabling the first control element to control whether the first movable element abuts against the central hole.

[0007] Preferably, the abutting end includes a first abutting surface and a second abutting surface, both disposed on the side of the control component body;

[0008] Using the surface of the control component body as the starting reference plane, the first contact surface and the second contact surface are set at different heights. The first and second contact surfaces are grouped together, and one or more groups are provided. Each group of first and second contact surfaces corresponds to a first contact post. When the first contact surface is in position, the first movable component is not in contact with external components such as the center hole of a wheel hub. When the first control component rotates to the point where the second contact surface contacts the first movable component, the first movable component extends to a length that allows it to contact the external component such as the center hole of the wheel hub. This control method is simple and makes the installation process easier to use.

[0009] Preferably, the first contact surface and the second contact surface are continuously arranged, and a transition surface is provided between the first contact surface and the second contact surface to allow for a smooth transition between the two. This avoids obstruction during the switching process.

[0010] Preferably, the first control component further includes a first limiting module connected to the control component body.

[0011] The first fastener is equipped with a second limiting module that cooperates with the first limiting module to limit the rotation angle of the first control component. The first and second limiting modules are configured to limit the rotation angle of the first control component, which matches the travel distance of the first and second contact surfaces. This prevents contact failure and avoids loosening or detachment during contact with external components, thereby improving the connection stability of the fastener.

[0012] Preferably, the first limiting module includes a first column and / or a first boss disposed at the axial end of the control component body;

[0013] The second limiting module includes a first groove that can be fitted onto the first column and / or a second groove that can engage with the first boss to limit the rotation of the control component body. The first groove is arc-shaped, and its length controls the rotatable angle of the first control component. The first boss is arc-shaped, and the second groove is arc-shaped, with the arc length equal to or slightly greater than the arc length of the first boss, ensuring that the two can engage with each other.

[0014] The first and second grooves are located at the axial ends of the first fixing member and are positioned opposite and cooperate with the first limiting module. When the control member body is rotated, the first column rotates within the first groove. The rotation stroke of the first column is determined by the arc length of the first groove, thereby limiting the rotation angle of the first control member. When the first boss rotates to the engagement state with the second groove, the corresponding second contact surface abuts against the first movable member, thus completing the limiting. The rotation angles of the first column and the first boss are the same. Through the mutual engagement of the first boss and the second groove, the problem of the first control member shaking and affecting the contact state between the first movable member and the external component is avoided. When it is necessary to rotate the first control member, force is applied to release the contact state between the first boss and the second groove, such as axially moving the first control member, and then rotating the first control member to rotate the first column and the first boss. The rotation stroke is determined by the arc length of the first groove, which corresponds to the position of the first contact surface.

[0015] Preferably, with the center of the first fixing member as the starting surface, along the axial direction of the first fixing member, the distance from the end of the first groove to the starting surface is greater than the distance from the end of the second groove to the starting surface;

[0016] Taking the axial end of the control component body as the starting surface, the length of the first column along the axial direction is greater than the height of the first boss along the axial direction. The length of the first column is adapted to the first groove to achieve a mutual matching and limiting effect.

[0017] Preferably, the first limiting module and the second limiting module are arranged in a group, and one or more groups are provided.

[0018] Preferably, the first fixing member is provided with a first through hole, and the first movable member includes one or more first abutment posts that extend through the first through hole and can abut against the abutment end. One end of the first abutment post faces the abutment end, and the other end of the first abutment post faces the outside of the first fixing member. The extension stroke of the first abutment post relative to the outer surface of the first fixing member is controlled by the abutment of the abutment end.

[0019] Preferably, the first movable member further includes an abutment block connected to the first abutment post and capable of abutting against the abutment end.

[0020] Along the axial direction of the first movable member, the projected area of ​​the abutment block is larger than the projected area of ​​the first through hole. This prevents the first abutment post from detaching from the inside of the first fixing member to the outside.

[0021] Preferably, the outer surface of the first fixing member is provided with a first external thread, which is threaded to a first rotating member that can abut against the wheel hub. The first rotating member is provided with a first internal thread that can connect with the first external thread. The first rotating member is coaxially arranged around the outer surface of the first fixing member. By rotating the first rotating member, it rotates towards the wheel hub, thereby ultimately achieving the effect of abutting against the wheel hub, thus connecting the first fixing member to the wheel hub.

[0022] Preferably, a washer is provided between the first rotating component and the hub. This achieves the effect of the first rotating component, washer, and hub being coaxially arranged sequentially.

[0023] Preferably, the outer surface of the first fixing member is connected to a second rotating member that abuts against and fixes the hub cover. The second rotating member is provided with a second internal thread that can connect with the first external thread. When connected to the hub, the second rotating member, hub cover, first rotating member, and hub are sequentially arranged along the axial direction of the first fixing member to fix the hub cover. The hub cover is coaxially arranged with the fastener and has a through-hole through which the second rotating member can pass.

[0024] Preferably, the first fixing member is provided with a first cavity to accommodate the first control member, and the first fixing member is internally connected to a connecting module that restricts the first control member to the first cavity.

[0025] Preferably, the first fixing member has an inner wall on the radial surface where the first cavity is located.

[0026] The connecting module includes an abutment ring and elastic elements at both ends that abut against the first control member and the abutment ring, respectively. Specifically, the elastic element is a spring; the spring abuts against the control member body, and the abutment ring is fitted into the upper end of the first cavity and fixed by a snap-fit ​​connection to the inner wall. The elastic element is disposed within the first cavity, and the abutment ring provides a through-hole for the rotating end to pass through the space. The abutment ring and elastic element prevent the first control member from spontaneously dislodging from the first fixed member, allowing the bottom axial direction of the first control member to fit against the inner surface of the first cavity, thus completing the mutual engagement of the second groove and the first boss. In this engaged state, the first control member cannot rotate spontaneously. To release this state, force is applied to the rotating end, causing one end of the first movable member to face the first abutment surface.

[0027] Preferably, the first control element further includes a rotating end connected to the control element body, wherein the rotating end passes through the elastic element. The rotating end passes through the center of the spring. The rotation of the control element body is controlled by the rotating end, thereby causing the first limiting module to rotate relative to the second limiting module.

[0028] Preferably, the rotating end is further provided with a plane that facilitates rotation.

[0029] A hubcap mounting structure includes a hubcap and connecting fasteners. Specifically, the hubcap is abutted by a hub and a second rotating component at both ends.

[0030] A wheel hub assembly includes a wheel hub connected to a wheel hub cover mounting structure.

[0031] This application has achieved beneficial technical effects:

[0032] This invention controls the extension of the first movable part relative to the first fixed part by rotating the first control component. This allows the fastener to be inserted into the center hole of the wheel hub and then fixed by the first movable part against the center hole, thus securing the wheel hub cover. This installation method is simple, easy to implement, and has strong connection stability. The fixed position can be adjusted according to actual needs. When it is necessary to transfer the fastener to other wheel hubs for installation, the first control component is rotated to make the first movable part and the center hole non-abutting, thus allowing it to be transferred to other wheel hubs for installation. It has strong versatility and good interchangeability. Attached Figure Description

[0033] Figure 1 The diagram shown is an exploded structural schematic of this utility model;

[0034] Figure 2 The image shown is one of the structural schematic diagrams of a fastener;

[0035] Figure 3 The second schematic diagram of the fastener structure is shown.

[0036] Figure 4 The third schematic diagram of the fastener structure is shown.

[0037] Figure 5 As shown Figure 4 Schematic diagram of the DD-direction cross-section structure;

[0038] Figure 6 The diagram shown is a schematic cross-sectional view of the soil section 4 along the EE direction.

[0039] Figure 7 The image shown is one of the exploded structural diagrams of a fastener;

[0040] Figure 8 As shown Figure 7 A schematic diagram of the FF-directed cross-sectional structure;

[0041] Figure 9 The image shown is the second exploded structural diagram of a fastener;

[0042] Figure 10The third diagram shows the exploded structure of a fastener;

[0043] Figure 11 The diagram shown is a top view of the first fastener.

[0044] Figure 12 As shown Figure 11 Schematic diagram of the HH-direction cross-sectional structure;

[0045] Figure 13 As shown Figure 11 Schematic diagram of the JJ cross-section structure;

[0046] Figure 14 The diagram shown is a structural schematic of the first fastener.

[0047] Figure 15 The diagram shown is one of the schematic diagrams of the connection structure between the fastener and the wheel hub cover;

[0048] Figure 16 The second schematic diagram shows the connection structure between the fastener and the wheel hub cover.

[0049] Figure 17 As shown Figure 16 Schematic diagram of the KK-direction cross-section structure;

[0050] Figure 18 The fourth diagram shows the exploded structure of a fastener.

[0051] Figure 19 As shown Figure 18 A schematic diagram of the AA-direction cross-section structure;

[0052] Figure 20 As shown Figure 18 Schematic diagram of the BB-direction cross-section structure;

[0053] Figure 21 As shown Figure 18 Schematic diagram of the CC-direction cross-section structure. Detailed Implementation

[0054] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the specific implementation methods of this utility model will be described below with reference to the accompanying drawings. Obviously, the drawings described below are merely some embodiments of this utility model. For those skilled in the art, other drawings and other implementation methods can be obtained based on these drawings without any creative effort.

[0055] The technical solution of this utility model will be described in detail below with specific embodiments.

[0056] Reference Figures 1 to 21As shown, a fastener includes a first fixing member 1, a first movable member 2 penetrating the first fixing member 1, and a first control member 3 disposed within the first fixing member 1 and controlling the extension length of the first movable member 2 relative to the outer surface of the first fixing member 1. The first fixing member and the first movable member are coaxially arranged from the inside to the outside. The first fixing member 1 can be connected to a hub cover 7. By rotating the first control member 3, the extension amount of the first movable member 2 relative to the first fixing member 1 is controlled, thereby enabling the fastener to be inserted into the center hole 81 of the hub 8 and then fixed by the first movable member 2 against the center hole 81, thus fixing the hub cover 7. This installation method is simple, easy to implement, and has strong connection stability. Its fixed position can be adjusted according to actual needs. When it is necessary to transfer the fastener to other hubs 8 for installation, by rotating the first control member 3, the first movable member 2 and the center hole 81 are in a non-abutment state, thereby transferring it to other hubs 8 for installation. It has strong versatility and good interchangeability.

[0057] The first control element 3 includes a control element body 31 and a contact end disposed on the side of the control element body 31 to contact the first movable element 2 at different contact heights. By providing a contact end that can contact the first movable element 2 at different heights, the amount of the first movable element 2 protruding relative to the outer surface of the control element body 31 is controlled, thereby enabling the first control element 3 to control whether the first movable element 2 contacts the central hole.

[0058] The contact end includes a first contact surface 321 and a second contact surface 322, both of which are disposed on the side of the control body 31;

[0059] Using the surface of the control component body 31 as the starting reference plane, the first contact surface 321 and the second contact surface 322 are set at different heights. The first contact surface 321 and the second contact surface 322 are arranged in groups, and one or more groups are provided. Each group of first contact surface 321 and second contact surface 322 corresponds to a first contact post 21. When the first contact surface 321 is in the first contact surface, the first movable component 2 is in a non-contact state with the external component such as the hub center hole 81. When the first control component 3 rotates to the point where the second contact surface 322 abuts against the first movable component 2, the first movable component 2 extends to a length that can abut against the external component such as the hub center hole 81. This control method is simple and makes the installation process easier to use.

[0060] The first contact surface 321 and the second contact surface 322 are continuously arranged, and a transition surface 323 is provided between the first contact surface 321 and the second contact surface 322 to allow for a smooth transition between the two. This avoids obstruction during the switching process.

[0061] The first control element 3 also includes a first limiting module connected to the control element body 31.

[0062] The first fixing member 1 is equipped with a second limiting module that cooperates with the first limiting module to limit the rotation angle of the first control member 3. The first limiting module and the second limiting module are set to limit the rotation angle of the first control member 3. This rotation angle matches the setting stroke of the first contact surface 321 and the second contact surface 322, thereby avoiding contact failure and preventing loosening or detachment during contact with external components, thus improving the connection stability of the fastener.

[0063] The first limiting module includes a first column 331 and / or a first boss 332 disposed at the axial end of the control component body;

[0064] The second limiting module includes a first groove 11 that can be fitted over the first column 331 and / or a second groove 12 that can engage with the first boss 332 to limit the rotation of the control member body 31. The first groove 11 is arc-shaped, and its length controls the rotatable angle of the first control member 3. The first boss 332 is arc-shaped, and the second groove 12 is arc-shaped, with the arc length equal to or slightly greater than the arc length of the first boss 332, ensuring that the two can engage with each other.

[0065] The first groove 11 and the second groove 12 are located at the axial ends inside the first fixing member 1 and are arranged facing each other and used in conjunction with the first limiting module. When the control member body 31 is rotated, the first column 331 rotates within the first groove 11. The rotation stroke of the first column 331 is determined by the arc length of the first groove 11, thereby limiting the rotation angle of the first control member 3. When the first boss 332 rotates to the state where it is engaged with the second groove 12, the corresponding second contact surface 322 abuts against the first movable member 2, thus completing the limiting. The first boss 332 has the same rotation angle. Through the mutual engagement of the first boss 332 and the second groove 12, the problem of the first control member 3 shaking and affecting the contact state between the first movable member 2 and the external component is avoided. When it is necessary to rotate the first control member 3, force is applied to release the contact state between the first boss 332 and the second groove 12, such as axially moving the first control member 3, and then rotating the first control member 3 to make the first column 331 and the first boss 332 rotate. The rotation stroke is determined by the arc length of the first groove 11, which corresponds to the position of the first contact surface 321.

[0066] With the center of the first fixing member 1 as the starting surface, along the axial direction of the first fixing member 1, the length of the end of the first groove 11 from the starting surface is greater than the length of the end of the second groove 12 from the starting surface.

[0067] Taking the axial end of the control component body 31 as the starting surface, the length of the first column 331 along the axial direction is greater than the height of the first boss 332 along the axial direction. The length of the first column 331 is adapted to the first groove 11 to achieve a mutual matching and limiting effect.

[0068] The first limit module and the second limit module are set together, and one or more groups are set.

[0069] The first fixing member 1 is provided with a first through hole 13, and the first movable member 2 includes one or more first abutment posts 21 that are provided through the first through hole and can abut against the abutment end to extend outward. One end of the first abutment post 21 faces the abutment end, and the other end of the first abutment post 21 faces the outside of the first fixing member 1. The extension stroke of the first abutment post 21 relative to the outer surface of the first fixing member 1 is controlled by the abutment of the abutment end.

[0070] The first movable component 2 also includes an abutment block 22 connected to the first abutment post 21 and capable of abutting against the abutment end.

[0071] Along the axial direction of the first movable member 2, the projected area of ​​the abutment block 22 is larger than the projected area of ​​the first through hole 13. This prevents the first abutment post 21 from being completely dislodged from inside the first fixing member 1 to the outside of the first fixing member 1.

[0072] The first fixing member 1 has a first external thread 14 on its outer surface. The first external thread 14 is threadedly connected to a first rotating member 4 that can abut against the hub 8. The first rotating member 4 has a first internal thread 41 that can connect with the first external thread 14. The first rotating member 4 is coaxially arranged around the outer surface of the first fixing member 1. By rotating the first rotating member 4, it rotates towards the hub 8, thereby achieving the effect of abutting against the hub 8, thus connecting the first fixing member 1 to the hub.

[0073] A washer 42 is provided between the first rotating component 4 and the hub 8. This creates the effect of the first rotating component 4, washer 42, and hub 8 being arranged coaxially in sequence.

[0074] The outer surface of the first fixing member 1 is connected to a second rotating member 5 that can abut against and fix the hub cover 7. The second rotating member 5 is provided with a second internal thread 51 that can be connected to the first external thread 14. When connected to the hub 8, the second rotating member 5, the hub cover 7, the first rotating member 4, and the hub 8 are arranged sequentially along the axial direction of the first fixing member 1 to fix the hub cover 7. The hub cover 7 is coaxially arranged with the fastener and has a through opening through which the second rotating member 5 can pass.

[0075] The first fixing member 1 is provided with a first cavity 15 to accommodate the first control member 3, and the first fixing member 1 is internally connected to a connecting module that restricts the first control member 3 to the first cavity.

[0076] The first fixing member 1 has an inner wall 151 on the radial surface at the location where the first cavity 15 is located.

[0077] The connecting module includes an abutment ring 61 and elastic elements 62 at both ends that abut against the first control element 3 and the abutment ring 61, respectively. Specifically, the elastic element 62 is a spring coaxially disposed within the first cavity; specifically, the spring abuts against the control element body 31, and the abutment ring 61 is fitted into the upper end of the first cavity 15 and fixed by a snap-fit ​​connection to the inner wall 151. The elastic element 62 is disposed within the first cavity 15, and the abutment ring 61 has a through-hole providing a space for the rotating end to pass through. The abutment ring 61 and the elastic element 62 are provided to prevent the first control element 3 from spontaneously dislodging from the outside of the first fixing element 1, so that the bottom of the first control element 3 can fit against the inner surface of the first cavity 151 to complete the mutual engagement of the second groove 12 and the first boss 332. In this engagement state, the first control element 3 cannot rotate spontaneously. When it is necessary to release this state, the rotation end 34 can be rotated by applying force to achieve the state in which one end of the first movable element 3 is opposite to the first abutment surface 321.

[0078] The first control element 3 further includes a rotating end 34 connected to the control element body 31, wherein the rotating end 34 passes through the elastic element 62. The rotating end 34 passes through the center of the spring 62. The rotation of the control element body 31 is controlled via the rotating end 34, thereby causing the first limiting module to rotate relative to the second limiting module.

[0079] The rotating end 34 is also provided with a plane 341 to facilitate rotation.

[0080] A hubcap mounting structure includes a hubcap 7, which is connected to fasteners. Specifically, the hubcap 7 is penetrated by a second rotating member 5, and its two ends are respectively abutted by a hub 8 and the second rotating member 5.

[0081] A wheel hub assembly includes a wheel hub 8 connected to a wheel hub cover mounting structure. The wheel hub 8 has a central hole 81 for connecting fasteners. In the pre-installation state, a first control member 3 rotates until the extension of a first movable member 2 is sufficient for the fastener to freely pass through the central hole 81. Then, the first control member 3 rotates again, causing the first movable member 2 to extend relative to the surface of a first fixed member 1. Specifically, the end of the first abutting post 21 away from the first fixed member 1 abuts against the inner wall of the central hole 81, thereby connecting the fastener to the wheel hub 8. A first rotating member 4, connected to a first external thread 14, rotates until a washer 42 abuts against and fits against the wheel hub 8, completing a secondary tightening. A wheel hub cover 7 is placed so that one side of the wheel hub cover 7 abuts against the outer side of the wheel hub 8, and then a second rotating member 5 connects to the first external thread 14. Finally, the axial end face of the first rotating member 4 abuts against the other side of the hub cover 7, thereby completing the installation of the hub cover 7. This installation method is relatively convenient and can be completed without relying on external tools. Only the first control member 3 needs to be rotated to extend the first movable member 2 to complete the fastening. At the same time, other fastening positions are completed by rotating threaded connections, achieving the effect of tool-free disassembly and assembly. The fasteners can be installed in positions determined according to the height of the hub 8. When it is necessary to transfer to other hubs 8 for installation, the first control member 3 is rotated to release the first movable member 2 from the abutment against the inner wall of the center hole, thereby removing the fasteners. The interchangeability is high. After the hub cover 8 is installed, it has multiple abutment positions, which improves the installation stability of the hub cover 7.

[0082] The hub cover 7 is also connected to a cover 71, which is coaxially connected to the hub cover 7 and is located on the side of the hub cover 7 facing outward.

[0083] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0084] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

[0085] The embodiments of the fastener, hubcap mounting structure, and hub assembly provided by this utility model have been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of this utility model. The descriptions of the embodiments above are only for the purpose of helping to understand the core ideas of this utility model. It should be noted that those skilled in the art can make several improvements and modifications to this utility model without departing from the principles of this utility model, and these improvements and modifications also fall within the protection scope of the claims of this utility model.

Claims

1. A fastener, characterized by, It includes a first fixing member (1), a first movable member (2) penetrating the first fixing member (1), and a first control member (3) disposed within the first fixing member (1) and controlling the extension length of the first movable member (2) relative to the outer surface of the first fixing member (1); The first control element (3) includes a control element body (31) and a contact end disposed on the side of the control element body (31) to contact the first movable element (2) at different contact heights.

2. The fastener of claim 1, wherein, The contact end includes a first contact surface (321) and a second contact surface (322) both disposed on the side of the control body (31). With the surface of the control body (31) as the starting reference plane, the first contact surface (321) and the second contact surface (322) are set at different heights.

3. The fastener of claim 2, wherein, A transition surface (323) is provided between the first contact surface (321) and the second contact surface (322) to allow for a smooth transition between the two.

4. The fastener of claim 1 or 2, wherein The first control element (3) also includes a first limiting module connected to the control element body (31). The first fixing member (1) is provided with a second limiting module that cooperates with the first limiting module to limit the rotation angle of the first control member (3); The first limiting module includes a first column (331) and / or a first boss (332) disposed at the axial end of the control component body. The second limiting module includes a first groove (11) that can be fitted over the first column (331) and / or a second groove (12) that can be engaged with the first boss (332) to limit the rotation of the control body (31).

5. The fastener of claim 1 or 2, wherein The first fixing member (1) is provided with a first through hole (13), and the first movable member (2) includes one or more first abutting posts (21) that are provided through the first through hole and can abut against the abutting end to extend outward. One end of the first abutting post (21) faces the abutting end, and the other end of the first abutting post (21) faces the outside of the first fixing member (1).

6. The fastener of claim 1, wherein The outer surface of the first fixing member (1) is provided with a first external thread (14), and the first external thread (14) is threadedly connected to the first rotating member (4), wherein the first rotating member (4) is provided with a first internal thread (41) that can be connected to the first external thread (14). A washer (42) is provided between the first rotating component (4) and the hub (8).

7. The fastener of claim 5, wherein, The outer surface of the first fixing member (1) is connected to a second rotating member (5) that can abut against the hub cover (7) to fix it. The second rotating member (5) is provided with a second internal thread (51) that can be connected to the first external thread (14).

8. The fastener of claim 1, wherein, The first fixing member (1) is provided with a first cavity (15) for accommodating the first control member (3), and the first fixing member (1) is internally connected to a connecting module that restricts the first control member (3) to the first cavity; The first fixing member (1) has an inner wall (151) on the radial surface of the first cavity (15) where it is located. The connection module includes an abutment ring (61) and elastic members (62) at both ends that abut against the first control member (3) and the abutment ring (61).

9. A wheel cover mounting structure comprising a wheel cover (7), characterized by The hub cover (7) is connected to the fastener as described in any one of claims 1 to 8.

10. A wheel hub assembly comprising a wheel hub (8), characterized by The hub (8) is connected to the hub cover mounting structure as described in claim 9.

Images