CN-224214544-U - Pressure riveting nut and fastening structure applied to liquid cooling system

Abstract

The utility model discloses a press-riveting nut and a fastening structure applied to a liquid cooling system, wherein the press-riveting nut is provided with a first end and a second end which are opposite along the axial direction of the press-riveting nut, the press-riveting nut comprises a body, a blind hole is formed in the body from the first end, the blind hole sequentially comprises a connecting section and a liquid cooling section from the first end to the second end, the liquid cooling section at least comprises a water outlet penetrating through the body, a head flange is coaxially arranged at the end part of the first end of the body, a groove surrounding the body is formed in the end face of the head flange facing the second end, and a sealing ring is elastic and is accommodated in the groove. The press-riveting nut and the fastening structure applied to the liquid cooling system simplify the installation procedure of the nut in the liquid cooling system and improve the installation accuracy of the press-riveting nut.

Inventors

• DUAN DAPENG
• Bai Anbing
• SUN QIANG

Assignees

• 宾科精密部件(中国)有限公司

Dates

Publication Date

20260508

Application Date

20250606

Claims (15)

1. 1. A clinch nut for use in a liquid cooling system, the clinch nut having axially opposite first and second ends, the clinch nut comprising: the device comprises a body, a blind hole, a liquid cooling section and a control unit, wherein the body is provided with a press riveting part; The head flange is coaxially arranged at the end part of the first end of the body, and the end surface of the head flange facing the second end is provided with a groove surrounding the body; The sealing ring is elastic and is accommodated in the groove.
2. 2. The clinch nut of claim 1, wherein the clinch portion includes first clinch teeth disposed circumferentially on an outer wall surface of the first end of the body.
3. 3. The clinch nut of claim 1, wherein the clinch portion includes second clinch teeth disposed at an end of the second end of the body.
4. 4. The clinch nut of claim 1, wherein the clinch portion includes first clinch teeth disposed circumferentially on an outer wall surface of the first end of the body and second clinch teeth disposed at an end of the second end of the body.
5. 5. The clinch nut of claim 2 or 4, wherein the body further includes a tapered section connecting the head flange and the first clinch tooth, the tapered section tapering in diameter from a first end to a second end.
6. 6. The press-riveting nut applied to the liquid cooling system according to claim 3 or 4, wherein a guide part is further arranged on the end face of the second press-riveting tooth, which faces the second end, the guide part is in a horn shape, and the diameter of the first end of the guide part is smaller than that of the second end.
7. 7. The clinch nut of claim 6, wherein the second end of the pilot section has a diameter no greater than the diameter of the second clinch tooth.
8. 8. The clinch nut of claim 7, wherein the connection of the pilot section to the second clinch tooth has a groove around the outside of the pilot section.
9. 9. Be applied to fastening structure of pressure riveting nut of liquid cooling system, characterized by comprising: A tubular profile having a mounting portion in a direction perpendicular to a length direction thereof; The riveting nut comprises a body, a blind hole, a head flange, a sealing ring and a sealing ring, wherein the body is provided with a connecting section and a liquid cooling section from the first end to the second end, the blind hole sequentially comprises a water outlet penetrating through the body, the head flange is coaxially arranged at the end part of the first end of the body, the end surface of the head flange facing the second end is provided with a groove surrounding the body, and the sealing ring is elastic and is placed in the groove; When the press riveting part of the press riveting nut is riveted with the mounting part of the tubular profile, the second end face of the head flange is abutted with the end face of the tubular profile, and then the sealing ring is jointly pressed by the head flange and the tubular profile.
10. 10. The fastening structure of a clinch nut applied to a liquid cooling system according to claim 9, wherein the clinch portion includes first clinch teeth circumferentially provided on an outer wall surface of the first end of the body, and the mounting portion includes a first mounting hole capable of clinching with the first clinch teeth, the first mounting hole penetrating through a wall surface of the tubular profile where the first mounting hole is formed.
11. 11. The fastening structure of a clinch nut applied to a liquid cooling system according to claim 9, wherein the clinch portion includes a second clinch tooth provided at an end portion of the second end of the body, the mounting portion includes a first mounting hole through which the body of the clinch nut is penetratingly provided into the tubular profile and a second mounting hole for clinching connection with the second clinch tooth, and a depth of the second mounting hole is smaller than a thickness of a wall surface of the tubular profile in which the second mounting hole is formed.
12. 12. The fastening structure of claim 9, wherein the clinching portion includes a first clinching tooth circumferentially provided on an outer wall surface of the first end of the body and a second clinching tooth provided at an end of the second end of the body, the mounting portion includes a first mounting hole clinched with the first clinching tooth and a second mounting hole coaxially provided with the first mounting hole for clinching with the second clinching tooth, the first mounting hole penetrating through a wall surface of the tubular profile where the first mounting hole is formed, and a depth of the second mounting hole is smaller than a depth of a wall surface of the tubular profile where the second mounting hole is formed.
13. 13. The fastening structure of a clinch nut applied to a liquid cooling system according to claim 10 or 12, wherein the body further includes a tapered section connecting the head flange and the first clinch tooth, the tapered section having a diameter gradually decreasing from a first end to a second end, the tubular profile having a wall thickness equal to a sum of thicknesses of the tapered section and the first clinch tooth, and the first mounting hole further has a wedge section capable of coinciding with the tapered section.
14. 14. The fastening structure of a clinch nut applied to a liquid cooling system according to claim 11 or 12, wherein a guide portion is further provided on an end face of the second clinch tooth facing the second end, the guide portion is in a horn shape, a diameter of the first end of the guide portion is smaller than a diameter of the second end, a connection portion between the guide portion and the second clinch tooth has a groove surrounding an outer side of the guide portion, a diameter of the second end of the guide portion is the same as a diameter of the second mounting hole, and a diameter of the second clinch tooth is larger than a diameter of the second mounting hole.
15. 15. The fastening structure of a clinch nut applied to a liquid cooling system according to claim 14, wherein a sum of thicknesses of the second clinch tooth and the guide portion is the same as a depth of the second mounting hole.

Description

Pressure riveting nut and fastening structure applied to liquid cooling system Technical Field The utility model relates to the technical field of fasteners, in particular to a press riveting nut and a fastening structure applied to a liquid cooling system. Background In the existing liquid cooling system, in order to realize connection between the nut and the cooling pipeline, the nut is usually welded on the metal pipeline so as to achieve the tightness required by the liquid cooling system, and meanwhile, the nut is convenient to be in threaded connection with other parts. The nut welding method is widely applied to liquid cooling pipeline structures with high sealing performance and high reliability. However, there are also a number of disadvantages to the welding process in application: firstly, the welding process is costly, requires special equipment and highly skilled operators, increases manufacturing costs, and secondly, the welding process is time consuming, especially in mass production, especially for cooling headers, several tens of nuts need to be installed, and therefore welding efficiency becomes a critical factor limiting the tact. Disclosure of utility model In order to overcome the defects, the utility model aims to provide the press-riveting nut and the fastening structure applied to the liquid cooling system, which simplify the installation procedure of the nut in the liquid cooling system and improve the installation accuracy of the press-riveting nut. The utility model discloses a press-riveting nut applied to a liquid cooling system, which is provided with a first end and a second end which are opposite along the axial direction, wherein the press-riveting nut comprises: the device comprises a body, a blind hole, a liquid cooling section and a control unit, wherein the body is provided with a press riveting part; The head flange is coaxially arranged at the end part of the first end of the body, and the end surface of the head flange facing the second end is provided with a groove surrounding the body; The sealing ring is elastic and is accommodated in the groove. Further, the clinching portion includes first clinching teeth circumferentially disposed on an outer wall surface of the first end of the body. Further, the clinching portion includes second clinching teeth disposed at an end of the second end of the body. Further, the press-riveting portion includes a first press-riveting tooth circumferentially disposed on an outer wall surface of the first end of the body and a second press-riveting tooth disposed at an end of the second end of the body. Further, the body further comprises a conical section, the conical section is connected with the head flange and the first pressure riveting tooth, and the diameter of the conical section gradually becomes smaller from the first end to the second end. Further, a guide part is further arranged on the end face, facing the second end, of the second rivet pressing tooth, the guide part is in a horn shape, and the diameter of the first end of the guide part is smaller than that of the second end. Further, the diameter of the second end of the guide portion is not greater than the diameter of the second swage tooth. Further, the connection part of the guide part and the second rivet pressing tooth is provided with a groove surrounding the outer side of the guide part. The utility model also discloses a fastening structure of the press riveting nut applied to the liquid cooling system, which comprises the following components: A tubular profile having a mounting portion in a direction perpendicular to a length direction thereof; The riveting nut comprises a body, a blind hole, a head flange, a sealing ring and a sealing ring, wherein the body is provided with a connecting section and a liquid cooling section from the first end to the second end, the blind hole sequentially comprises a water outlet penetrating through the body, the head flange is coaxially arranged at the end part of the first end of the body, the end surface of the head flange facing the second end is provided with a groove surrounding the body, and the sealing ring is elastic and is placed in the groove; When the press riveting part of the press riveting nut is riveted with the mounting part of the tubular profile, the second end face of the head flange is abutted with the end face of the tubular profile, and then the sealing ring is jointly pressed by the head flange and the tubular profile. Further, the press-riveting portion includes a first press-riveting tooth circumferentially disposed on an outer wall surface of the first end of the body, and correspondingly, the mounting portion includes a first mounting hole capable of being press-riveted with the first press-riveting tooth, and the first mounting hole penetrates through the wall surface of the tubular profile where the first mounting hole is formed. Further, the press-riveting portion includes a second press-rivetin