Full-hexagonal limiting rivet nut

By designing all hexagonal limit rivet nuts, the problems of insufficient installation consistency and bonding force of existing hexagonal rivet nuts are solved, and directional installation and efficient riveting effects are achieved.

CN223177944UActive Publication Date: 2025-08-01ZHEJIANG FANGQUAN AUTOMOTIVE FASTENERS
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Patent Information

Application Number
CN202422687909.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-05
Publication Date
2025-08-01
Estimated Expiration
2034-11-05

AI Technical Summary

Technical Problem

Existing hexagonal rivet nuts cannot ensure the consistency of nut assembly during installation, and the head bonding force is insufficient, especially in narrow positions and edge installation.

Method used

A fully hexagonal limit rivet nut is designed, which includes a rivet cap and a rod part. A positioning notch is provided on the rivet cap. The outer surface of the ridge cap is hexagonal. One side of the installation hole is a deformation groove and the other side is a thread groove. The positioning notch is parallel to the hexagonal side. The tail of the ridge cap is provided with a chamfer. The outer diameter of the rivet cap is 1.5-2.0 times the outer diameter of the rod part.

Benefits of technology

The directional installation of the rivet nut is achieved through the positioning notch, ensuring the consistency of assembly, enhancing the head joint force, suitable for installation in narrow positions, and increasing the rotational torque, meeting the rotational torque requirements.

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Abstract

The utility model discloses a full hexagonal limit rivet nut which comprises a rivet cap and a rod portion, the cross section of the outer surface of the rod portion is hexagonal, a mounting hole penetrating through the rivet cap is formed in the center of the rod portion, the rivet cap is of a circular flat plate structure, and a positioning notch is formed in the rivet cap. According to the utility model, the positioning notch is arranged on the rivet cap, and each rivet nut can be directionally mounted through the notch, so that the consistency of product assembly is kept; the positioning notch can play a positioning role with the blanking groove of the automatic assembly machine, so that the direction consistency is ensured; the rivet nut can be riveted to the narrow position of the hole and the angle iron face through the positioning notch, and the binding force of the head of the rivet nut is guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of fasteners, especially the technical field of rivet nuts. Background Art

[0002] Rivet nuts, also known as blind rivet nuts or blind rivets, are used in the fastening fields of various metal plates, pipes, etc. in the manufacturing industry, and are widely used in the assembly of electromechanical and light industrial products such as automobiles, aviation, railways, refrigeration, elevators, switches, instruments, furniture, and decoration; they are developed to solve the disadvantages of easy melting of welded nuts for thin metal plates and thin pipes, easy welding deformation of the base material, and easy slipping of internal threads during tapping. It does not require tapping internal threads, does not require welding nuts, has firm riveting and high efficiency, and is easy to use.

[0003] When installing the existing hexagonal rivet nuts, it is not possible to well ensure the consistency of nut assembly. Moreover, when installing rivet nuts at the installation edge, due to the presence of the side plate, it is impossible to install rivet nuts with a large outer circle at the head, and when using rivet nuts with a small outer circle at the head instead, the head bonding force of the rivet nut will be reduced. Summary of the Invention

[0004] The purpose of the utility model is to solve the problems in the prior art and propose a full hexagonal limit rivet nut that can solve the above problems.

[0005] To achieve the above purpose, the utility model proposes a full hexagonal limit rivet nut, including a rivet cap and a rod portion. The cross-section of the outer surface of the rod portion is hexagonal. An installation hole penetrating the rivet cap is provided at the center of the rod portion. The rivet cap is a circular flat plate structure, and a positioning notch is provided on the rivet cap.

[0006] Preferably, one side of the installation hole close to the rivet cap is a smooth deformation groove, and the other side of the installation hole far from the rivet cap is a thread groove. The diameter of the deformation groove is larger than the diameter of the thread groove.

[0007] Preferably, the positioning notch is linear.

[0008] Preferably, the positioning notch is parallel to the side of the hexagon.

[0009] Preferably, a chamfer is provided at the tail of the rod portion far from the rivet cap.

[0010] Preferably, the outer diameter of the rivet cap is 1.5 - 2.0 times the outer diameter of the rod portion.

[0011] Advantages of the utility model: By providing a positioning notch on the riveting cap, each rivet nut can be directionally installed through the notch, maintaining the consistency of product assembly; the positioning notch can cooperate with the blanking groove of the automatic assembly machine to play a positioning role, ensuring the consistency of direction; the positioning notch enables the rivet nut to be riveted at a narrow position between the hole and the angle iron surface, and ensures the bonding force of the head of the rivet nut; the positioning notch has the functions of anti-slip and anti-rotation, can improve the rotational torque, and meets the requirements of rotational torque.

[0012] The features and advantages of the utility model will be described in detail through embodiments in conjunction with the accompanying drawings. Description of the Drawings

[0013] Figure 1 is the front view of the utility model;

[0014] Figure 2 is the front sectional view of the utility model;

[0015] Figure 3 is the top view of the utility model;

[0016] Figure 4 is the installation schematic diagram of the utility model.

[0017] In the figure: 1 - riveting cap, 2 - rod part, 3 - installation hole, 4 - positioning notch, 5 - deformation groove, 6 - thread groove. Specific Embodiments

[0018] Refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 For a full hexagon limit rivet nut, including a riveting cap 1 and a rod part 2, the cross-section of the outer surface of the rod part 2 is hexagonal, an installation hole 3 passing through the riveting cap 1 is provided at the center of the rod part 2, the riveting cap 1 is a circular flat plate structure, and a positioning notch 4 is provided on the riveting cap 1; one side of the installation hole 3 close to the riveting cap 1 is a smooth deformation groove 5, and the other side of the installation hole 3 away from the riveting cap 1 is a thread groove 6, and the diameter of the deformation groove 5 is larger than the diameter of the thread groove 6; the positioning notch 4 is linear; the positioning notch 4 is parallel to the side of the hexagon; the tail of the rod part 2 away from the riveting cap 1 is provided with a chamfer; the outer diameter of the riveting cap 1 is 1.5 - 2.0 times the outer diameter of the rod part 2.

[0019] The above embodiments are descriptions of the utility model, not limitations on the utility model. Any solution obtained by simply transforming the utility model belongs to the protection scope of the utility model.

Claims

1. A full hexagon limit rivet nut, characterized in that: It includes a riveting cap (1) and a rod portion (2). The cross-section of the outer surface of the rod portion (2) is hexagonal. An installation hole (3) penetrating the riveting cap (1) is provided at the center of the rod portion (2). The riveting cap (1) is of a circular flat plate structure, and a positioning notch (4) is provided on the riveting cap (1).

2. The fully hexagonal limited rivet nut according to claim 1, wherein: One side of the installation hole (3) close to the riveting cap (1) is a smooth deformation groove (5), and the other side of the installation hole (3) away from the riveting cap (1) is a threaded groove (6). The diameter of the deformation groove (5) is larger than the diameter of the threaded groove (6).

3. The fully hexagonal limited rivet nut according to claim 1, characterized in that: The positioning notch (4) is linear.

4. The fully hexagonal limited rivet nut according to claim 3, characterized in that: The positioning notch (4) is parallel to the side of the hexagon.

5. The fully hexagonal limited rivet nut according to claim 1, characterized in that: A chamfer is provided at the tail of the rod portion (2) away from the riveting cap (1).

6. The all-hexagon limited-position rivet nut according to claim 1, characterized in that: The outer diameter of the riveting cap (1) is 1.5 - 2.0 times the outer diameter of the rod portion (2).