Nut cover plate fixing structure and vehicle with same

Abstract

The utility model discloses a nut cover plate fixing structure and a vehicle with the nut cover plate fixing structure, the nut cover plate fixing structure comprises a wheel and a wheel nut, and the wheel is provided with a fixing part; the nut cover plate comprises an inner cover and an outer cover, a first cavity with an opening in at least one end in the axial direction of the nut cover plate is formed in the inner cover, a second cavity with an opening in one end in the axial direction of the nut cover plate is formed in the outer cover, the wheel nut is sleeved with the inner cover, and the outer circumferential wall of the wheel nut abuts against the inner circumferential wall of the first cavity; the outer cover is rotatably arranged on the inner cover in a sleeving mode, the outer cover has a first state and a second state, in the first state, the outer cover is separated from the fixing part, in the second state, the outer cover is connected with the fixing part, and the outer cover is configured to rotate relative to the inner cover to achieve switching between the first state and the second state. According to the nut cover plate fixing structure, the reliability of the nut cover plate on the wheel nut can be improved, and the nut cover plate is convenient to disassemble and assemble on the wheel nut.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicles, in particular to a nut cover plate fixing structure and a vehicle having the same. Background Art

[0002] Nut covers are usually placed on the wheel nuts to protect them. The wheels rotate at a fast speed, and as the vehicle is used for a longer time, the nut covers may fall off the wheel nuts. Utility Model Content

[0003] The present invention aims to solve at least one of the technical problems in the prior art. To this end, the present invention provides a nut cover fixing structure that can improve the reliability of the nut cover on the wheel nut.

[0004] The utility model also provides a vehicle with the nut cover plate fixing structure.

[0005] According to the first aspect of the present invention, the nut cover plate fixing structure includes: a wheel and a wheel nut, the wheel nut is arranged on the wheel, and the wheel is provided with a fixing portion; a nut cover plate, the nut cover plate including an inner cover and an outer cover, the inner cover forming a first cavity open at at least one end in the axial direction of the nut cover plate, the outer cover forming a second cavity open at one end in the axial direction of the nut cover plate, the inner cover being sleeved on the wheel nut, the outer peripheral wall of the wheel nut abutting the inner peripheral wall of the first cavity, the outer cover being rotatably sleeved on the inner cover, and the outer cover and the inner cover being connected in the axial direction of the nut cover plate, the outer cover having a first state and a second state, in the first state, the outer cover is disengaged from the fixing portion, and in the second state, the outer cover is connected to the fixing portion, and the outer cover is configured to realize switching between the first state and the second state by rotating the outer cover relative to the inner cover.

[0006] According to the nut cover fixing structure of the first aspect of the present invention, the reliability of the nut cover on the wheel nut can be improved, and the nut cover can be easily assembled and disassembled on the wheel nut.

[0007] According to some embodiments of the present invention, the first cavity is formed with openings at both ends of the nut cover in the axial direction, and a threaded hole is formed on the inner wall of the second cavity. The nut cover fixing structure also includes: a wheel bolt, which is provided on the wheel, the wheel nut is threadedly engaged with the wheel bolt, and the screw of the wheel bolt extends out of the wheel nut, and the wheel bolt forms the fixing part. In the first state, the screw is disengaged from the threaded hole, and in the second state, the screw passes through the first cavity and is fixed in the threaded hole.

[0008] According to some embodiments of the present invention, a limiting protrusion is formed on the outer peripheral wall of the outer cover, a nut mounting hole is formed on the wheel, the wheel nut is arranged in the nut mounting hole, the inner wall of the nut mounting hole is formed as the fixing portion, and a clamping groove extending circumferentially along the nut mounting hole is formed on the inner wall of the nut mounting hole. In the first state, the limiting protrusion is disengaged from the clamping groove, and in the second state, the limiting protrusion is engaged in the clamping groove.

[0009] According to some embodiments of the present invention, in the direction in which the limiting protrusion enters the locking slot, the cross-sectional size of at least a portion of the locking slot gradually decreases.

[0010] According to some embodiments of the present invention, a guide groove extending along the axial direction of the nut mounting hole is further formed on the inner wall of the nut mounting hole, one end of the guide groove extends to the edge of the nut mounting hole, and the other end of the guide groove is connected to the card slot. In the first state, the limiting protrusion and the guide groove are opposite to each other in the axial direction of the nut mounting hole.

[0011] According to some embodiments of the present invention, a limiting flange arranged around the axis of the inner cover is formed on the outer peripheral wall of the inner cover, and a limiting groove arranged around the axis of the outer cover is formed on the inner wall of the second cavity, and the limiting flange is engaged in the limiting groove.

[0012] According to some embodiments of the present invention, a limiting rib extending along the axial direction of the nut cover is formed on the inner wall of the first cavity, and the inner cover abuts against the wheel nut through the limiting rib.

[0013] According to some embodiments of the present invention, the outer peripheral surface of the outer cover is a cylindrical surface surrounding the axis of the nut cover plate, and a disassembly hole is formed on the end surface of the outer cover away from the wheel, and the disassembly hole is a non-circular hole.

[0014] According to some embodiments of the present invention, a gripping portion is formed on the inner wall of the disassembly hole, and the gripping portion is suitable for cooperating with a gripping tool in the axial direction of the outer cover.

[0015] The vehicle according to the second aspect of the present invention comprises: the nut cover plate fixing structure according to the first aspect of the present invention.

[0016] According to the vehicle of the second aspect of the present invention, by providing the nut cover fixing structure according to the first aspect of the present invention, the probability of the nut cover falling off can be reduced, thereby improving the user experience.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of an inner cover according to an embodiment of the present utility model;

[0019] Figure 2 is a schematic diagram of an outer cover according to an embodiment of the present utility model;

[0020] Figure 3 yes Figure 2 A cross-sectional view of the outer cover shown in ;

[0021] Figure 4 is a schematic diagram of a wheel bearing, a wheel rim and a wheel bolt according to an embodiment of the present utility model;

[0022] Figure 5 is a schematic diagram of an inner cover according to another embodiment of the present utility model;

[0023] Figure 6 is a schematic diagram of an outer cover according to another embodiment of the present utility model;

[0024] Figure 7 yes Figure 6 A cross-sectional view of the outer cover shown in ;

[0025] Figure 8 is a cross-sectional view of a nut mounting hole according to an embodiment of the present utility model;

[0026] Figure 9 is a cross-sectional view of a nut mounting hole according to another embodiment of the present utility model;

[0027] Figure 10 is a schematic diagram of an outer cover according to another embodiment of the utility model;

[0028] Figure 11 yes Figure 10 A cross-sectional view of an embodiment in the AA direction shown in FIG;

[0029] Figure 12 yes Figure 10 A cross-sectional view of another embodiment in the AA direction shown in FIG;

[0030] Figure 13 yes Figure 10 A cross-sectional view of another embodiment along the AA direction is shown in FIG.

[0031] Reference numerals:

[0032] 10. Wheel nuts;

[0033] 20. Inner cover; 21. First cavity; 22. Position-limiting flange; 23. Position-limiting rib;

[0034] 30. Outer cover; 31. Second cavity; 32. Threaded hole; 33. Position-limiting protrusion; 34. Position-limiting groove; 35. Disassembly hole; 351. Grasping portion;

[0035] 40. Wheel bolts;

[0036] 50. Wheel bearing; 51. Rim;

[0037] 60. Nut mounting hole; 61. Slot; 62. Guide groove. DETAILED DESCRIPTION

[0038] The following describes in detail embodiments of the present invention, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention, and should not be construed as limiting the present invention.

[0039] Reference below Figures 1-13 The nut cover plate fixing structure according to the first embodiment of the present utility model is described.

[0040] like Figure 1-Figure 7 As shown, the nut cover plate fixing structure according to the embodiment of the first aspect of the utility model includes: a wheel, a wheel nut 10 and a nut cover plate.

[0041] Specifically, the wheel nut 10 is provided on the wheel, and a fixing portion is provided on the wheel. The nut cover plate includes an inner cover 20 and an outer cover 30. The inner cover 20 is formed with an axial direction (eg Figure 1 The outer cover 30 is formed with a second cavity 31 which is open at one end in the axial direction of the nut cover plate. The inner cover 20 is sleeved on the wheel nut 10, and the outer peripheral wall of the wheel nut 10 abuts against the inner peripheral wall of the first cavity 21. The outer cover 30 is rotatably sleeved on the inner cover 20, and the outer cover 30 and the inner cover 20 are connected in the axial direction of the nut cover plate. The outer cover 30 has a first state and a second state. In the first state, the outer cover 30 is disengaged from the fixing portion. In the second state, the outer cover 30 is connected to the fixing portion. The outer cover 30 is configured to achieve switching between the first state and the second state by rotating the outer cover 30 relative to the inner cover 20.

[0042] That is, the inner cover 20 may be formed with the first cavity 21 open at one end in the axial direction of the nut cover, or the inner cover 20 may be formed with the first cavity 21 open at both ends in the axial direction of the nut cover.

[0043] During normal use of the vehicle, the outer cover 30 is in the second state. When the nut cover plate is displaced from the wheel nut 10, the wheel nut 10 can prevent the inner cover 20 from falling off the wheel nut 10, and the fixing portion can prevent the outer cover 30 from falling off the wheel nut 10. Thus, the reliability of the nut cover plate on the wheel nut 10 can be improved.

[0044] During the installation of the nut cover, the inner cover 20 is first placed on the wheel nut 10 through the opening of the first cavity 21. After the inner cover 20 is installed in place, the outer cover 30 is rotated to switch the outer cover 30 from the first state to the second state. The outer cover 30 is connected to the fixing part on the wheel, thereby realizing the installation of the nut cover.

[0045] During the process of removing the nut cover, first rotate the outer cover 30 to switch the outer cover 30 from the second state to the first state, disengage the outer cover 30 from the fixing portion on the wheel, and then pull the nut cover off the wheel nut 10, thereby achieving the removal of the nut cover.

[0046] It can be seen from the above process that compared with the matching relationship between the conventional nut cover and the wheel nut 10, although the connection between the outer cover 30 and the fixed part on the wheel is added in this application, the installation and removal process of the nut cover on the wheel nut 10 is less difficult.

[0047] According to the nut cover fixing structure of the embodiment of the first aspect of the present utility model, the reliability of the nut cover on the wheel nut 10 can be improved, and the nut cover is convenient to be disassembled and assembled on the wheel nut 10.

[0048] In some embodiments of the present invention, Figures 1-4 As shown, the first cavity 21 is formed with openings at both ends of the nut cover in the axial direction, and a threaded hole 32 is formed on the inner wall of the second cavity 31. The nut cover fixing structure also includes: a wheel bolt 40, the wheel bolt 40 is provided on the wheel, the wheel nut 10 is threadedly engaged with the wheel bolt 40, and the screw of the wheel bolt 40 extends out of the wheel nut 10, and the wheel bolt 40 is formed as a fixing part. In the first state, the screw is disengaged from the threaded hole 32, and in the second state, the screw passes through the first cavity 21 and is fixed in the threaded hole 32.

[0049] Specifically, one end of the wheel bolt 40 is connected to the wheel bearing 50 , and the other end of the wheel bolt 40 passes through the wheel rim 51 and the wheel nut 10 in sequence.

[0050] During the assembly process, the inner cover 20 is first put on the wheel bolt 40. After the inner cover 20 is assembled in place, the screw passes through the first cavity 21 and extends into the second cavity 31. At this time, the outer cover 30 is in the first state. Then the outer cover 30 is rotated to gradually screw the screw into the threaded hole 32. When the outer cover 30 is tightened on the screw, at this time, the outer cover 30 is in the second state, and the nut cover plate is assembled on the wheel nut 10.

[0051] When it is necessary to remove the nut cover from the wheel nut 10, the outer cover 30 is screwed in the opposite direction of the above process until the screw falls off from the threaded hole 32. At this time, the outer cover 30 is switched from the second state to the first state, and then the nut cover is pulled out from the wheel nut 10 to achieve removal.

[0052] Among them, by setting the fixing part as a screw, the screw is threadedly matched with the outer cover 30, the operation process is relatively simple, and the threaded connection strength is high, which can improve the connection strength between the nut cover plate and the wheel.

[0053] In some embodiments of the present invention, Figure 5-Figure 9 As shown, a limiting protrusion 33 is formed on the outer peripheral wall of the outer cover 30, a nut mounting hole 60 is formed on the wheel, and the wheel nut 10 is arranged in the nut mounting hole 60. The inner wall of the nut mounting hole 60 is formed as a fixing portion, and the inner wall of the nut mounting hole 60 is formed with a plurality of holes along the circumference of the nut mounting hole 60 (for example, Figure 8 In the first state, the limiting protrusion 33 is disengaged from the card slot 61, and in the second state, the limiting protrusion 33 is engaged with the card slot 61.

[0054] During the assembly process, the inner cover 20 is first placed on the wheel bolt 40. After the inner cover 20 is assembled in place, the outer cover 30 is in the first state. Then the outer cover 30 is rotated to move the limiting protrusion 33 into the slot 61 to complete the assembly. When the outer cover 30 is displaced from the wheel nut 10, the inner wall of the slot 61 can prevent the limiting protrusion 33 from moving, thereby preventing the outer cover 30 from being separated from the inner wall of the nut mounting hole 60.

[0055] When it is necessary to remove the nut cover from the wheel nut 10, the outer cover 30 is twisted in the opposite direction of the above process to disengage the limiting protrusion 33 from the slot 61. At this time, the outer cover 30 is switched from the second state to the first state, and then the nut cover is pulled out from the wheel nut 10 to achieve removal.

[0056] The cooperation between the limiting protrusion 33 and the locking groove 61 can save materials used in the production process, thereby reducing production costs.

[0057] In some embodiments of the present invention, Figure 9As shown, in the direction in which the limiting protrusion 33 enters the slot 61 (for example Figure 9 In the direction from left to right as shown in FIG, the cross-sectional dimensions of at least part of the slot 61 gradually decrease. In other words, the cross-sectional dimensions of part of the slot 61 may gradually decrease, or the cross-sectional dimensions of the entire slot 61 may gradually decrease.

[0058] In this way, the difficulty of the limiting protrusion 33 entering the slot 61 can be reduced, and the clamping force of the slot 61 on the limiting protrusion 33 can be increased, thereby improving the reliability of the connection between the outer cover 30 and the inner wall of the nut mounting hole 60.

[0059] Preferably, there are multiple limiting protrusions 33 and one-to-one corresponding slots 61 , and the multiple limiting protrusions 33 are evenly and spaced apart around the axis of the outer cover 30 .

[0060] In some embodiments of the present invention, Figure 8 and Figure 9 As shown, a guide groove 62 extending along the axial direction of the nut mounting hole 60 is also formed on the inner wall of the nut mounting hole 60, one end of the guide groove 62 extends to the edge of the nut mounting hole 60, and the other end of the guide groove 62 is connected to the card slot 61. In the first state, the limiting protrusion 33 and the guide groove 62 are opposite to each other in the axial direction of the nut mounting hole 60.

[0061] During the process of installing the nut cover into and removing the nut mounting hole 60, the guide groove 62 can provide avoidance space for the limiting protrusion 33, and the guide groove 62 can guide the stroke of the outer cover 30, thereby making the process of installing the nut cover into and removing the nut mounting hole 60 smoother.

[0062] During the process of switching the outer cover 30 from the second state to the first state, the outer cover 30 is rotated to move the limiting protrusion 33 in the slot 61. When the slot 61 moves to the position where the limiting protrusion 33 and the guide groove 62 are opposite in the axial direction of the nut mounting hole 60, the outer cover 30 switches from the second state to the first state.

[0063] In some embodiments of the present invention, Figure 1-Figure 3 and Figure 5-Figure 7 As shown, a limiting flange 22 is formed on the outer peripheral wall of the inner cover 20 and arranged around the axis of the inner cover 20. A limiting groove 34 is formed on the inner wall of the second cavity 31 and arranged around the axis of the outer cover 30. The limiting flange 22 fits into the limiting groove 34. This allows the inner cover 20 and the outer cover 30 to be rotatably connected. When the outer cover 30 is displaced axially from the inner cover 20 by the nut cover, the sidewall of the limiting groove 34 can abut against the limiting flange 22, thereby separating the outer cover 30 from the inner cover 20, and finally connecting the outer cover 30 and the inner plate axially with each other.

[0064] In some embodiments of the present invention, Figure 1 and Figure 5 As shown, a limiting rib 23 extending axially along the nut cover plate is formed on the inner wall of the first cavity 21. The inner cover 20 abuts the wheel nut 10 via the limiting rib 23. The provision of the limiting rib 23 improves the abutment between the inner cover 20 and the wheel nut 10. It can be understood that the area of the inner cover 20 that is deformed by the abutment force acting on the limiting rib 23 is relatively small, thereby reducing the probability of damage to the inner cover 20.

[0065] Preferably, there are multiple limiting ribs 23 , and the multiple limiting ribs 23 correspond one-to-one to the multiple outer wall surfaces of the wheel nut 10 .

[0066] In some embodiments of the present invention, Figure 10 As shown, the outer peripheral surface of the outer cover 30 is a cylindrical surface surrounding the axis of the nut cover plate, and a disassembly hole 35 is formed on the end surface of the outer cover 30 away from the wheel. The disassembly hole 35 is a non-circular hole.

[0067] In this way, when removing the nut cover from the wheel nut 10, it is necessary to use a disassembly tool that is adapted to the shape of the disassembly hole 35 to drive the outer cover 30 to rotate relative to the inner cover 20. It can be understood that disassembly tools that are adapted to the shape of the disassembly hole 35 are not common. In this way, the nut cover can be prevented from being disassembled and theft.

[0068] In some embodiments of the present invention, Figure 10-13 As shown, a gripping portion 351 is formed on the inner wall of the disassembly hole 35. The gripping portion 351 is adapted to engage with a gripping tool in the axial direction of the outer cover 30. During the process of removing the nut cover, the outer cover 30 is rotated through the disassembly hole 35 using the disassembly tool to switch the outer cover 30 from the second state to the first state. The gripping tool is then inserted into the disassembly hole 35 so that the gripping tool and the gripping portion 351 are engaged in the axial direction of the outer cover 30. The gripping tool is then used to pull the gripping portion 351, thereby driving the outer cover 30 and the inner plate to detach from the wheel nut 10. In this manner, the nut cover can be removed.

[0069] Preferably, the grabbing portion 351 may be a grabbing groove, a grabbing protrusion, or a retractable protrusion on the inner wall of the disassembly hole 35 .

[0070] A vehicle according to an embodiment of the second aspect of the present invention includes: the nut cover plate fixing structure according to the embodiment of the first aspect of the present invention.

[0071] According to the vehicle of the second embodiment of the present invention, by providing the nut cover fixing structure according to the first embodiment of the present invention, the probability of the nut cover falling off can be reduced, thereby improving the user experience.

[0072] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0073] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0074] In this utility model, unless otherwise expressly specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0075] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.

[0076] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A nut cover plate fixing structure, characterized in that: include: A wheel and a wheel nut, wherein the wheel nut is provided on the wheel, and a fixing portion is provided on the wheel; A nut cover plate, the nut cover plate comprising an inner cover and an outer cover, the inner cover forming a first cavity open at at least one end in the axial direction of the nut cover plate, the outer cover forming a second cavity open at one end in the axial direction of the nut cover plate, the inner cover being sleeved on the wheel nut, the outer peripheral wall of the wheel nut abutting against the inner peripheral wall of the first cavity, the outer cover being rotatably sleeved on the inner cover, and the outer cover and the inner cover being connected in the axial direction of the nut cover plate, The outer cover has a first state and a second state. In the first state, the outer cover is detached from the fixing portion. In the second state, the outer cover is connected to the fixing portion. The outer cover is configured to switch between the first state and the second state by rotating the outer cover relative to the inner cover.

2. The nut cover plate fixing structure according to claim 1, characterized in that: The first cavity is formed with openings at both ends of the nut cover in the axial direction, and a threaded hole is formed on the inner wall of the second cavity. The nut cover fixing structure further includes: a wheel bolt, the wheel bolt being provided on the wheel, the wheel nut being threadably engaged with the wheel bolt, and the screw rod of the wheel bolt extending out of the wheel nut, the wheel bolt forming the fixing portion, In the first state, the screw is disengaged from the threaded hole, and in the second state, the screw passes through the first cavity and is fixed in the threaded hole.

3. The nut cover plate fixing structure according to claim 1, characterized in that: A limiting protrusion is formed on the outer peripheral wall of the outer cover, a nut mounting hole is formed on the wheel, the wheel nut is arranged in the nut mounting hole, the inner wall of the nut mounting hole is formed as the fixing portion, and a clamping groove extending along the circumference of the nut mounting hole is formed on the inner wall of the nut mounting hole. In the first state, the limiting protrusion is disengaged from the slot, and in the second state, the limiting protrusion is engaged with the slot.

4. The nut cover plate fixing structure according to claim 3, characterized in that: In the direction in which the limiting protrusion enters the clamping slot, the cross-sectional size of at least a portion of the clamping slot gradually decreases.

5. The nut cover plate fixing structure according to claim 3, characterized in that: A guide groove extending along the axial direction of the nut mounting hole is also formed on the inner wall of the nut mounting hole, one end of the guide groove extends to the edge of the nut mounting hole, and the other end of the guide groove is connected to the clamping groove. In the first state, the limiting protrusion and the guide groove are opposite to each other in the axial direction of the nut mounting hole.

6. The nut cover plate fixing structure according to claim 1, characterized in that: A limiting flange arranged around the axis of the inner cover is formed on the outer peripheral wall of the inner cover, and a limiting groove arranged around the axis of the outer cover is formed on the inner wall of the second cavity, and the limiting flange is fitted in the limiting groove.

7. The nut cover plate fixing structure according to claim 1, characterized in that: A limiting rib extending along the axial direction of the nut cover is formed on the inner wall of the first cavity, and the inner cover abuts against the wheel nut through the limiting rib.

8. The nut cover plate fixing structure according to any one of claims 1 to 7, characterized in that: The outer peripheral surface of the outer cover is a cylindrical surface surrounding the axis of the nut cover plate. A disassembly hole is formed on the end surface of the outer cover away from the wheel, and the disassembly hole is a non-circular hole.

9. The nut cover plate fixing structure according to claim 8, characterized in that: A gripping portion is formed on the inner wall of the disassembly hole, and the gripping portion is suitable for cooperating with a gripping tool in the axial direction of the outer cover.

10. A vehicle, characterized in that: include: The nut cover plate fixing structure according to any one of claims 1 to 9.

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