Rivet nut, die and vehicle

Abstract

The utility model relates to the technical field of nut fixing, and provides a pressing rivet nut, a mold and a vehicle. The pressing rivet nut comprises a main body part and a riveting part, a first tooth-shaped table is arranged at one end, in the axial direction, of the main body part, the riveting part is arranged on the first tooth-shaped table, a second tooth-shaped table is further arranged on the end face, where the first tooth-shaped table is located, of the main body part, the first tooth-shaped table comprises a plurality of first teeth, and the second tooth-shaped table comprises a plurality of second teeth. The second teeth extend from the outer side edge of the first tooth-shaped table to the outer side edge of the main body part in the radial direction, so that the two side faces of the second teeth in the extending direction can form a continuous anti-torsion plane. According to the pressing rivet nut, the torsion-resistant plane can form a complete contact plane, when the first tooth-shaped table and the second tooth-shaped table are embedded into a to-be-riveted part, it can be guaranteed that the first tooth-shaped table and the second tooth-shaped table can have a large contact area with the to-be-riveted part, and then the rotation-resistant destructive moment between the pressing rivet nut and the to-be-riveted part can be increased.

Description

Technical Field

[0001] The present application relates to the technical field of nut fixing, and in particular to a self-clinching nut, a mold and a vehicle. Background Art

[0002] Currently, retaining nuts in automobiles are used in conjunction with bolts to connect two components. Typically, the nut is welded to one component, and the bolt passes through the other component to connect to the nut. These are primarily used to connect components such as car bodies, door panels, or chassis. Common methods for connecting nuts to components include welding and riveting. However, when the components are made of new materials (such as magnesium alloys and cast aluminum), the nuts are typically made of iron. Due to the dissimilar materials, welding the two components is impossible, and mechanical fastening methods such as press riveting or pull riveting are typically the only options.

[0003] Conventional self-clinching nuts are only suitable for tightening smaller nuts and bolts. Once the nut needs to withstand a slightly larger tensile force, the friction generated by mechanical fit is insufficient to support the tightening torque during component installation. This is especially true for nuts with specifications above M10. It is difficult for the bolts to meet the required tightening torque range. Once the nut becomes loose, it is prone to follow-up rotation, resulting in unreliable connections and prone to cracks. Utility Model Content

[0004] In order to solve the above technical problems or at least partially solve the above technical problems, the present application provides a self-clinching nut, a mold and a vehicle.

[0005] A first aspect of the present application provides a self-clinching nut, comprising a main body and a riveting portion;

[0006] A first tooth-shaped platform is provided at one end of the main body along the axial direction, the riveting portion is provided on the first tooth-shaped platform, and a second tooth-shaped platform is further provided on the end surface of the main body where the first tooth-shaped platform is located;

[0007] The first toothed platform includes a plurality of first teeth arranged in sequence along the circumferential direction, and the second toothed platform includes a plurality of second teeth arranged at intervals along the circumferential direction around the outside of the first toothed platform, and the second teeth extend radially from the outer edge of the first toothed platform to the outer edge of the main body, so that the two side surfaces of the second teeth along the extension direction can form a continuous anti-torsion plane.

[0008] Optionally, in the extension direction of the second teeth, the width of the second teeth gradually decreases.

[0009] Optionally, in the direction from the main body to the riveted portion, an end surface of the first toothed platform away from the main body protrudes beyond an end surface of the second toothed platform away from the main body.

[0010] Optionally, the riveted portion includes a first end and a second end disposed opposite to each other, the first end is connected to the first toothed platform, and the outer diameter of the riveted portion gradually increases in a direction from the first end to the second end.

[0011] Optionally, the first toothed platform further includes a base, and the plurality of first teeth are sequentially arranged along the circumferential direction on the outer side of the edge of the base, the first end is connected to the base, and the outer diameter of the base is greater than the outer diameter of the second end.

[0012] Optionally, a tapered through hole is provided in the riveted portion, and an inner diameter of the tapered through hole gradually increases in a direction from the first end to the second end;

[0013] A threaded through hole is provided in the main body portion, and the tapered through hole and the threaded through hole are communicated with each other to form a connecting hole that passes through the main body portion and the riveted portion.

[0014] A second aspect of the present application provides a mold, which is used to rivet the self-clinching nut as described in any one of the above items, and the mold includes an upper mold and a lower mold;

[0015] The lower die is provided with an accommodating cavity for accommodating the main body of the rivet nut, and the upper die is provided with a riveting portion, which is used to be inserted into the connecting hole of the rivet nut;

[0016] An outer surface of the rivet portion is formed as a tapered surface, and an outer diameter of the rivet portion is larger than an inner diameter of the connection hole.

[0017] Optionally, the surface of the upper die facing the lower die is formed as a first limiting plane, the first limiting plane is used to abut against the top surface of the component to be riveted and limit the material from being squeezed out, and the riveting part is provided on the first limiting plane;

[0018] And / or, the surface of the lower die facing the upper die is formed as a second limiting plane, which is used to abut against the bottom surface of the part to be riveted and limit the material from being squeezed out and overflowing. The accommodating cavity is formed with an opening on the second limiting plane, and the second limiting plane is flush with the end surface of the main body facing the riveting part.

[0019] A third aspect of the present application provides a vehicle, comprising a first structural member, a second structural member, and a self-clinching nut as described in any one of the above items, wherein the first structural member and the second structural member are connected by the self-clinching nut.

[0020] Optionally, the vehicle further comprises a connecting member;

[0021] The connecting member is provided with a first rivet hole, the self-clinching nut is riveted to the inner wall of the first rivet hole, the first structural member is provided with a first through hole, the first structural member and the connecting member are connected by a fastener which is sequentially provided through the first through hole and the first rivet hole, and the fastener is threadedly engaged with the self-clinching nut;

[0022] A second rivet hole is provided on the connecting member, and the rivet nut is riveted to the inner wall of the second rivet hole. A second through hole is provided on the second structural member, and the second structural member and the connecting member are connected by a fastener that is sequentially provided through the second through hole and the second rivet hole, and the fastener is threadedly engaged with the rivet nut.

[0023] The technical solution provided by the embodiments of the present application has the following advantages compared with the prior art:

[0024] The self-clinching nut provided by the present application includes a main body and a riveting part, wherein a first tooth-shaped platform is provided at one end of the main body along the axial direction, and the riveting part is provided on the first tooth-shaped platform. A second tooth-shaped platform is also provided on the end face of the main body where the first tooth-shaped platform is located, that is, the first tooth-shaped platform and the second tooth-shaped platform are located between the main body and the riveting part. When in use, the main body abuts against the outer surface of the part to be riveted, and the riveting part, the first tooth-shaped platform and the second tooth-shaped platform can all be embedded in the part to be riveted, which can increase the friction force when the self-clinching nut rotates. The first tooth-shaped platform includes a plurality of first teeth arranged in sequence along the circumferential direction, and the second tooth-shaped platform includes a plurality of second teeth arranged at intervals along the circumferential direction around the outside of the first tooth-shaped platform, that is, the first teeth and the second teeth can both be engaged with the part to be riveted, and the plurality of first teeth and the second teeth After the friction forces with the parts to be riveted are superimposed in sequence along the circumferential direction, the anti-rotational destructive torque of the rivet nut can be improved. The second teeth are extended from the outer edge of the first toothed platform to the outer edge of the main body in the radial direction, so that the two side surfaces of the second teeth along the extension direction can form a continuous anti-torsion plane. When the second teeth are embedded in the parts to be riveted, the anti-torsion plane can form a complete contact plane, which can ensure a larger contact area with the parts to be riveted, thereby increasing the anti-rotational destructive torque between the rivet nut and the parts to be riveted. It is suitable for riveted connections between different materials (such as between aluminum plates and iron nuts) in bolted joints that need to withstand large alternating loads. It can ensure a stable connection while having good anti-torsion performance and high reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0026] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0027] Figure 1 This is a structural diagram of a self-clinching nut according to an embodiment of the present invention;

[0028] Figure 2 A top view of a self-clinching nut according to an embodiment of the present invention;

[0029] Figure 3 This is a schematic structural diagram of a self-clinching nut after riveting according to an embodiment of the present invention;

[0030] Figure 4 This is a top view of the self-clinching nut after riveting according to one embodiment of the utility model;

[0031] Figure 5 This is a schematic structural diagram of a mold according to an embodiment of the present invention;

[0032] Figure 6 for Figure 5 A partial enlarged view of

[0033] Figure 7 This is a schematic structural diagram of a mold after riveting in one embodiment of the present utility model;

[0034] Figure 8 for Figure 7 A partial enlarged view of

[0035] Figure 9 This is a connection diagram of a vehicle according to an embodiment of the present invention.

[0036] In the figure: 1, self-clinching nut; 11, main body; 12, riveting portion; 121, first end; 122, second end; 13, first toothed platform; 131, first tooth; 132, base; 14, second toothed platform; 141, second tooth; 142, anti-torsion plane; 15, connecting hole;

[0037] 2. Mold; 21. Upper mold; 211. Riveting part; 212. First limiting plane; 22. Lower mold; 221. Second limiting plane;

[0038] 31. First structural member; 32. Second structural member;

[0039] 4. Connectors;

[0040] 5. Fasteners. DETAILED DESCRIPTION

[0041] In order to more clearly understand the above-mentioned objectives, features and advantages of the present application, the scheme of the present application will be further described below. It should be noted that, in the absence of conflict, the embodiments of the present application and the features therein can be combined with each other.

[0042] In the following description, many specific details are set forth to facilitate a full understanding of the present application, but the present application can also be implemented in other ways different from those described herein; it is obvious that the embodiments in the specification are only part of the embodiments of the present application, not all of the embodiments.

[0043] The following describes the rivet nut, mold and vehicle in detail through specific embodiments:

[0044] Reference Figures 1 to 4 As shown, some embodiments of the present invention provide a self-clinching nut 1 , which includes a main body 11 and a riveting portion 12 .

[0045] Among them, a first toothed platform 13 is provided at one end of the main body 11 along the axial direction, and the riveting part 12 is provided on the first toothed platform 13. A second toothed platform 14 is also provided on the end face of the main body 11 where the first toothed platform 13 is located, that is, the first toothed platform 13 and the second toothed platform 14 are located between the main body 11 and the riveting part 12. When in use, the main body 11 abuts against the outer surface of the part to be riveted, and the riveting part 12, the first toothed platform 13 and the second toothed platform 14 can all be embedded in the part to be riveted, which can increase the friction force when the rivet nut 1 rotates.

[0046] Specifically, the first toothed platform 13 includes a plurality of first teeth 131 arranged in sequence along the circumferential direction, and the second toothed platform 14 includes a plurality of second teeth 141 spaced apart along the circumferential direction around the outside of the first toothed platform 13, that is, the first teeth 131 and the second teeth 141 can both engage with the parts to be riveted. After the friction force between the plurality of first teeth 131 and the second teeth 141 and the parts to be riveted is superimposed in sequence along the circumferential direction, the anti-rotational destructive torque of the rivet nut 1 can be enhanced.

[0047] In specific implementation, the second teeth 141 are extended along the radial direction from the outer edge of the first toothed platform 13 to the outer edge of the main body 11, so that the two side surfaces of the second teeth 141 along the extension direction can form a continuous anti-torsion plane 142. When the second teeth 141 are embedded in the component to be riveted, the anti-torsion plane 142 can form a complete contact plane, which can ensure a larger contact area with the component to be riveted, thereby increasing the anti-rotational destructive torque between the rivet nut 1 and the component to be riveted. It is suitable for riveted connections between different materials (such as between aluminum plates and iron nuts) in bolted joints that need to withstand large alternating loads. It can ensure a stable connection while having good anti-torsion performance and high reliability.

[0048] In some embodiments, reference Figure 1 As shown, the two side edges of the second teeth 141 along the extension direction are formed as straight edges, so that the two side surfaces of the second teeth 141 along the extension direction can be formed into a continuous plane structure, and in the extension direction of the second teeth 141, that is, in the radial direction from the outer edge of the first tooth-shaped platform 13 to the outer edge of the main body 11, that is, in the direction from the center to the surrounding of the self-clinching nut 1, the width of the second teeth 141 gradually decreases. In other words, the second teeth 141 can be formed into a tapered structure. Such a configuration can facilitate processing or demolding when the self-clinching nut 1 is produced by casting or forging.

[0049] Continue to refer to Figure 1 As shown, in the direction from the main body 11 to the riveted portion 12, the end surface of the first toothed platform 13 away from the main body 11 protrudes beyond the end surface of the second toothed platform 14 away from the main body 11. It can be understood that during riveting, the riveted portion 12, the first toothed platform 13 and the second toothed platform 14 can be sequentially embedded in the parts to be riveted. During the embedding process, the parts to be riveted are squeezed and deformed, and the materials of the parts to be riveted and the riveted portion 12, the first toothed platform 13 and the second toothed platform 14 can all be interlocked to achieve interlocking. The interlocking force can enhance the anti-rotational destructive torque of the rivet nut 1.

[0050] In specific implementation, the first toothed platform 13 and the second toothed platform 14 can interlock with the parts to be riveted step by step, and the deformation of the parts to be riveted also has a certain buffer process, thereby avoiding damage to the parts to be riveted when the riveting pressure is too large or the deformation of the parts to be riveted is too large, thereby improving the connection performance.

[0051] Exemplarily, the number of first teeth 131 is 50, and the 50 first teeth 131 are evenly distributed along the circumferential direction. The number of second teeth 141 is 6, and the 6 second teeth 141 are evenly distributed along the circumferential direction. The area of ​​the second teeth 141 accounts for at least 5% of the area outside the first toothed platform 13, and the total area of ​​the 6 second teeth 141 is at least 30%, so as to ensure that the second teeth 141 have a higher structural strength to resist torsional torque, thereby ensuring the torsional resistance of the rivet nut 1 after riveting.

[0052] In some embodiments, the riveted portion 12 includes a first end 121 and a second end 122 arranged back to back, the first end 121 is connected to the first toothed platform 13, and the outer diameter of the riveted portion 12 gradually increases in the direction from the first end 121 to the second end 122, that is, the second end 122 is formed as a large end, and the first end 121 is formed as a small end. The riveted portion 12 is formed into an inverted cone structure so that it can cooperate with the riveting portion 211 of the upper mold 21 during riveting. The riveted portion 12 can be deformed under the pressure of the riveting portion 211 to lock with the part to be riveted, thereby ensuring the stability of the connection.

[0053] Reference Figure 1 and Figure 3 As shown, the first toothed platform 13 also includes a base 132, and a plurality of first teeth 131 are arranged in sequence along the circumferential direction on the outer edge of the base 132. The first end 121 is connected to the base 132, and the outer diameter of the base 132 is larger than the outer diameter of the second end 122. In other words, the second end 122 of the riveted portion 12 with the largest outer diameter is within the coverage range of the base 132. With this arrangement, when the first toothed platform 13 is deformed and engaged with the component to be riveted, the riveted portion 12 will not interfere. It is understandable that the riveted portion 12 is accommodated in the matching hole opened on the component to be riveted, and the material of the component to be riveted does not need a large deformation path to be in contact with the first toothed platform 13. Friction can be generated through contact to improve torsional resistance.

[0054] Furthermore, a tapered through hole is provided in the riveted portion 12, and the inner diameter of the tapered through hole gradually increases in the direction from the first end 121 to the second end 122, that is, the contraction trend or expansion trend of the tapered through hole is the same as that of the riveted portion 12. With such a configuration, the riveted portion 12 can be formed into a thin-walled structure to facilitate deformation, and then can expand outward, so that it can be engaged with the component to be riveted during riveting, thereby increasing the locking force.

[0055] Specifically, a threaded through hole is formed in the main body 11, and the tapered through hole and the threaded through hole are connected to form a connecting hole 15 that passes through the main body 11 and the riveting portion 12. It can be understood that when the self-clinching nut 1 is riveted to the component to be riveted, the fastener 5 such as a screw or bolt can be threadedly tightened with the connecting hole 15 after passing through the component to be connected, thereby achieving the connection between the component to be riveted and the component to be connected.

[0056] Reference Figures 5 to 8 As shown, some other embodiments of the present application provide a mold 2, which is used to rivet the rivet nut 1 as in any of the above embodiments. The mold 2 includes an upper mold 21 and a lower mold 22.

[0057] Specifically, the lower die 22 is provided with an accommodating cavity for accommodating the main body 11 of the self-clinching nut 1, and the upper die 21 is provided with a caulking portion 211. The caulking portion 211 is used to be inserted into the connecting hole 15 of the self-clinching nut 1. The outer surface of the caulking portion 211 is formed into a conical surface, and the outer diameter of the caulking portion 211 is larger than the inner diameter of the connecting hole 15. In other words, when the caulking portion 211 moves toward the self-clinching nut 1, under the pressure of the caulking portion 211, the rivet portion 12 of the self-clinching nut 1 can be promoted to expand outward to further engage with the component to be riveted.

[0058] In specific implementation, the surface of the upper mold 21 facing the lower mold 22 is formed as a first limiting plane 212, and the first limiting plane 212 is used to abut against the top surface of the part to be riveted and limit the material from being squeezed out and overflowing, and the riveting part 211 is arranged on the first limiting plane 212; further, the surface of the lower mold 22 facing the upper mold 21 is formed as a second limiting plane 221, and the second limiting plane 221 is used to abut against the bottom surface of the part to be riveted and limit the material from being squeezed out and overflowing, and the accommodating cavity is formed with an opening on the second limiting plane 221, and the riveting part 211 is arranged corresponding to the opening, so that when the main body 11 is located in the accommodating cavity, the riveting part 211 can move toward the main body 11, and then can squeeze the riveted part 12 to deform, and the second limiting plane 221 is flush with the end face of the main body 11 facing the riveted part 12.

[0059] It can be understood that the abutment limitation between the first limiting plane 212 and the second limiting plane 221 and the parts to be riveted can prevent the material of the parts to be riveted from being deformed in any direction during the extrusion process, thereby ensuring the riveting performance of the rivet nut 1 and the parts to be riveted. The surface after riveting is relatively flat, which is more in line with the interface requirements of the threaded connection pair with installation surface requirements.

[0060] Reference Figures 5 to 8 As shown, when riveting, a matching hole is first opened on the part to be riveted. During the closing process of the upper and lower molds, the riveting portion 12 is located in the matching hole, and the first toothed platform 13 and the second toothed platform 14 are gradually embedded in the inner wall of the matching hole. The material of the part to be riveted can gradually shift to be interlocked and locked with the first toothed platform 13 and the second toothed platform 14. Furthermore, the riveting portion 211 on the upper mold 21 can cause the riveted portion 12 to expand outward to increase the locking force of the engagement and further improve the torsional resistance.

[0061] Some further embodiments of the present application provide a vehicle, comprising a first structural member 31 , a second structural member 32 and a rivet nut 1 as described in any of the above embodiments, wherein the first structural member 31 and the second structural member 32 are connected by the rivet nut 1 .

[0062] The vehicle provided in the embodiment of the present application includes the self-clinching nut 1 of any of the above embodiments, and thus has the beneficial effects of the self-clinching nut 1 of any of the above embodiments, which will not be repeated here.

[0063] Reference Figure 9 As shown, the vehicle further includes a connector 4, which is connected to the first structural member 31 and the second structural member 32 respectively, thereby enabling the connection of the first structural member 31 and the second structural member 32. The first structural member 31 and the second structural member 32 can be structures such as a front collision beam and a front subframe, or other structures that need to be connected. The rivet nut 1 and the connector 4 can ensure connection performance and have good connection strength and torsional resistance.

[0064] Specifically, a first through hole is provided on the first structural member 31, and a first rivet hole is provided on the connecting member 4. The rivet nut 1 is riveted to the inner wall of the first rivet hole. After the fastener 5 passes through the first through hole and the first rivet hole, it can be threadedly engaged with the rivet nut 1, thereby realizing the connection between the first structural member 31 and the connecting member 4. The first structural member 31 and the connecting member 4 are limited between the rivet nut 1 and the fastener 5.

[0065] A second through hole is formed on the second structural member 32, and a second rivet hole is formed on the connecting member 4. The self-clinching nut 1 is riveted to the inner wall of the second rivet hole. The fastener 5 passes through the second through hole and the second rivet hole and can be threadedly engaged with the self-clinching nut 1, thereby achieving the connection between the second structural member 32 and the connecting member 4. The second structural member 32 and the connecting member 4 are limited between the self-clinching nut 1 and the fastener 5, thereby achieving the connection between the first structural member 31 and the second structural member 32. In specific implementation, multiple self-clinching nuts 1 can be riveted on the connecting member 4, and then the fastener 5 is assembled to achieve the connection.

[0066] The connecting member 4 may be an aluminum connecting member, which can be used as a component to be riveted together with the rivet nut 1 to connect the first structural member 31 and the connecting member 4 , and to connect the second structural member 32 and the connecting member 4 .

[0067] In other embodiments, one of the first structural member 31 and the second structural member 32 is formed as an aluminum structural member, and the aluminum structural member can be riveted together with the rivet nut 1 as a component to be riveted, and then the first structural member 31 and the second structural member 32 can be directly connected through the fastener 5 and the rivet nut 1 without the need for an additional connecting member 4. The rivet nut 1 and the aluminum structural member have a high connection performance and are suitable for bearing large alternating loads.

[0068] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device that includes the element.

[0069] The above are merely specific embodiments of the present application, intended to enable those skilled in the art to understand or implement the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application is not limited to these embodiments herein, but is intended to be construed in the broadest manner consistent with the principles and novel features disclosed herein.

Claims

1. A self-clinching nut, characterized in that: It comprises a main body (11) and a riveting portion (12); A first toothed platform (13) is provided at one end of the main body (11) in the axial direction, the riveting portion (12) is provided on the first toothed platform (13), and a second toothed platform (14) is further provided on the end surface of the main body (11) where the first toothed platform (13) is located; The first toothed platform (13) includes a plurality of first teeth (131) arranged in sequence along the circumferential direction, and the second toothed platform (14) includes a plurality of second teeth (141) arranged at intervals along the circumferential direction on the outside of the first toothed platform (13), and the second teeth (141) extend from the outer edge of the first toothed platform (13) to the outer edge of the main body (11) in the radial direction, so that the two side surfaces of the second teeth (141) along the extension direction can form a continuous anti-torsion plane (142).

2. The self-clinching nut according to claim 1, characterized in that: In the extension direction of the second tooth (141), the width of the second tooth (141) gradually decreases.

3. The self-clinching nut according to claim 1, characterized in that: In the direction from the main body (11) to the riveted portion (12), the end surface of the first toothed platform (13) away from the main body (11) protrudes beyond the end surface of the second toothed platform (14) away from the main body (11).

4. The self-clinching nut according to claim 1, characterized in that: The riveted portion (12) comprises a first end (121) and a second end (122) disposed opposite to each other, the first end (121) being connected to the first toothed platform (13), and the outer diameter of the riveted portion (12) gradually increasing in a direction from the first end (121) to the second end (122).

5. The self-clinching nut according to claim 4, characterized in that: The first toothed platform (13) further includes a base (132), a plurality of the first teeth (131) are sequentially arranged along the circumferential direction on the outer side of the edge of the base (132), the first end (121) is connected to the base (132), and the outer diameter of the base (132) is greater than the outer diameter of the second end (122).

6. The self-clinching nut according to claim 4, characterized in that: A tapered through hole is provided in the riveted portion (12), and the inner diameter of the tapered through hole gradually increases in the direction from the first end (121) to the second end (122); A threaded through hole is provided in the main body (11), and the tapered through hole and the threaded through hole are communicated with each other to form a connecting hole (15) that passes through the main body (11) and the riveted portion (12).

7. A mold, characterized in that: The mold (2) is used for riveting the self-clinching nut (1) according to any one of claims 1 to 6, and the mold (2) comprises an upper mold (21) and a lower mold (22); The lower die (22) is provided with a receiving cavity for receiving the main body (11) of the rivet nut (1), and the upper die (21) is provided with a riveting portion (211), and the riveting portion (211) is used to be inserted into the connecting hole (15) of the rivet nut (1); The outer surface of the rivet pressing portion (211) is formed as a tapered surface, and the outer diameter of the rivet pressing portion (211) is larger than the inner diameter of the connecting hole (15).

8. The mold according to claim 7, characterized in that The surface of the upper die (21) facing the lower die (22) is formed as a first limiting plane (212), the first limiting plane (212) being used to abut against the top surface of the component to be riveted and to limit the material from being squeezed out and overflowing, and the riveting portion (211) is arranged on the first limiting plane (212); And / or, the surface of the lower die (22) facing the upper die (21) is formed as a second limiting plane (221), the second limiting plane (221) is used to abut against the bottom surface of the component to be riveted and limit the material from being squeezed out and overflowing, the accommodating cavity is formed with an opening on the second limiting plane (221), and the second limiting plane (221) is flush with the end surface of the main body (11) facing the riveting part (12).

9. A vehicle, characterized in that: The present invention comprises a first structural member (31), a second structural member (32) and a rivet nut (1) according to any one of claims 1 to 6, wherein the first structural member (31) and the second structural member (32) are connected via the rivet nut (1).

10. The vehicle according to claim 9, characterized in that The vehicle further comprises a connecting member (4); The connecting member (4) is provided with a first rivet hole, the rivet nut (1) is riveted to the inner wall of the first rivet hole, the first structural member (31) is provided with a first through hole, the first structural member (31) and the connecting member (4) are connected by a fastener (5) which is sequentially passed through the first through hole and the first rivet hole, and the fastener (5) is threadedly engaged with the rivet nut (1); A second rivet hole is provided on the connecting member (4), the rivet nut (1) is riveted to the inner wall of the second rivet hole, a second through hole is provided on the second structural member (32), the second structural member (32) and the connecting member (4) are connected by a fastener (5) which is sequentially provided through the second through hole and the second rivet hole, and the fastener (5) is threadedly engaged with the rivet nut (1).

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