CN-224214537-U - Fastener and press riveting injection molding fastening structure

Abstract

The utility model provides a fastener and a press-riveting injection molding fastening structure, which comprises a main body part and a flange part, wherein the main body part is provided with a first end and a second end along the axial direction of the main body part, the flange part is arranged on the outer wall of the main body part along the axial direction of the main body part, one side of the flange part, which faces the second end of the main body part, is provided with a bearing surface which is abutted against a plate, the outer wall of the first end of the main body part is provided with a groove which is recessed inwards along the radial direction of the main body part, the inside of the main body part is provided with a threaded hole, the threaded hole extends from the inside of the main body part to the second end of the main body part, the threaded hole is provided with a guide surface which forms a 60-degree guide angle with the plane of the second end of the main body part, the outer wall of the second end of the main body part is sequentially provided with a guide part, a material containing part and a material discharging part, the material discharging part is adjacent to the flange part, and the material discharging part is arranged on one side of the bearing surface of the flange part, and the material discharging part forms a discharging step with the bearing surface.

Inventors

• Bai Anbing
• LU FENG

Assignees

• 宾科精密部件(中国)有限公司

Dates

Publication Date

20260508

Application Date

20250520

Claims (6)

1. 1. A fastener, comprising: a main body portion provided with a first end and a second end in an axial direction thereof; A flange part which is arranged on the outer wall of the main body part along the axial direction of the main body part, and one side of the flange part, which faces the second end of the main body part, is provided with a bearing surface which is abutted against the plate; Wherein the outer wall of the first end of the main body part is provided with a groove which is recessed inwards along the radial direction of the main body part; A threaded hole is formed in the main body, the threaded hole extends from the interior of the main body to the second end of the main body, and the threaded hole is provided with a guide surface forming a guide angle of 60 degrees with the plane of the second end of the main body; The outer wall of the second end of the main body part is sequentially provided with a guide part, a material containing part and a material discharging part along the axial direction of the outer wall, the material discharging part is adjacent to the flange part, the material discharging part is positioned on one side of a bearing surface of the flange part, and the material discharging part and the bearing surface form a material discharging step.
2. 2. The fastener of claim 1, wherein the guide has an outer diameter smaller than an outer diameter of the discharge portion, the diameter of the receiving portion gradually increasing from the discharge portion toward the guide, and a receiving slot for receiving a material flowing by deformation on the sheet material is formed between the receiving portion and the discharge portion.
3. 3. A fastener according to claim 1 or 2, wherein the outer wall of the discharge portion is provided with knurling teeth.
4. 4. The fastener of claim 1, wherein the threaded bore is a blind bore or a through bore.
5. 5. A clinch injection molded fastening structure, comprising: The fastener comprises a main body part and a flange part, wherein the main body part is provided with a first end and a second end along the axial direction of the main body part, the flange part is arranged on the outer wall of the main body part along the axial direction of the main body part, one side of the flange part, which faces the second end of the main body part, is provided with a bearing surface which is abutted against a plate material, the outer wall of the first end of the main body part is provided with a groove which is recessed inwards along the radial direction of the flange part, the inside of the main body part is provided with a threaded hole, the threaded hole extends from the inside of the main body part to the second end of the main body part, the threaded hole is provided with a guide surface which forms a 60-degree guide angle with the plane of the second end of the main body part, the outer wall of the second end of the main body part is sequentially provided with a guide part, a material containing part and a material discharging part along the axial direction of the main body part, the material discharging part is adjacent to the flange part, the material discharging part is positioned on one side of the bearing surface of the flange part, and the material discharging part forms a material discharging step with the bearing surface; The plate is of a narrow-margin structure, the plate is provided with a mounting hole riveted with the fastener, and part of materials in the mounting hole flow into a containing groove formed by the containing part and the discharging part through the guide part by extrusion deformation; The plastic part is wrapped on the outer wall of the plate along the axial direction and the outer wall of the fastener, the plastic part is further filled between the fastener and the gap of the plate, and part of the material part of the plastic part flows into the groove through extrusion deformation.
6. 6. The clinch injection molded fastening structure of claim 5, wherein the sheet material is made of copper.

Description

Fastener and press riveting injection molding fastening structure Technical Field The application belongs to the technical field of fasteners, and particularly relates to a fastener and a press riveting injection molding fastening structure. Background The statements in this section merely provide background information related to the present disclosure and may not constitute prior art. Along with the development of new energy automobiles, a circuit system is more and more complex and various, and under a limited space, a bus bar with a long and narrow edge can be frequently encountered, or the situation that bending and opening are very close is encountered, and a connecting structure of a fastener and a narrow edge distance plate needs to be designed for the problems. In the prior art, the welding mode is probably adopted for connection, the welding scheme needs additional pipe heat control, slag welding and other problems, the original structural performance can be destroyed by high temperature and high heat, the strength and the reliability of the whole structure are affected, and the process is relatively complex. It should be noted that the foregoing description of the background art is only for the purpose of providing a clear and complete description of the technical solution of the present utility model and is presented for the convenience of understanding by those skilled in the art. The above-described solutions are not considered to be known to the person skilled in the art simply because they are set forth in the background of the utility model section. Disclosure of utility model The application aims to provide a fastener and a press riveting injection molding fastening structure so as to solve the problems. The application provides a fastener, comprising: a main body portion provided with a first end and a second end in an axial direction thereof; A flange part which is arranged on the outer wall of the main body part along the axial direction of the main body part, and one side of the flange part, which faces the second end of the main body part, is provided with a bearing surface which is abutted against the plate; Wherein the outer wall of the first end of the main body part is provided with a groove which is recessed inwards along the radial direction of the main body part; A threaded hole is formed in the main body, the threaded hole extends from the interior of the main body to the second end of the main body, and the threaded hole is provided with a guide surface forming a guide angle of 60 degrees with the plane of the second end of the main body; The outer wall of the second end of the main body part is sequentially provided with a guide part, a material containing part and a material discharging part along the axial direction of the outer wall, the material discharging part is adjacent to the flange part, the material discharging part is positioned on one side of a bearing surface of the flange part, and the material discharging part and the bearing surface form a material discharging step. Further, in the fastener, the outer diameter of the guide portion is smaller than the outer diameter of the discharge portion, the diameter of the receiving portion gradually increases from the discharge portion to the guide portion, and a receiving groove for receiving a material flowing due to deformation on the plate is formed between the receiving portion and the discharge portion. Further, with the fastener, the outer wall of the discharging part is provided with knurling teeth. Further, in the fastener, the threaded hole is a blind hole or a through hole. The application also provides a press riveting injection molding fastening structure, which comprises: The fastener comprises a main body part and a flange part, wherein the main body part is provided with a first end and a second end along the axial direction of the main body part, the flange part is arranged on the outer wall of the main body part along the axial direction of the main body part, one side of the flange part, which faces the second end of the main body part, is provided with a bearing surface which is abutted against a plate material, the outer wall of the first end of the main body part is provided with a groove which is recessed inwards along the radial direction of the flange part, the inside of the main body part is provided with a threaded hole, the threaded hole extends from the inside of the main body part to the second end of the main body part, the threaded hole is provided with a guide surface which forms a 60-degree guide angle with the plane of the second end of the main body part, the outer wall of the second end of the main body part is sequentially provided with a guide part, a material containing part and a material discharging part along the axial direction of the main body part, the material discharging part is adjacent to the flange part, the material discharging part is positioned on one side of the bea