Riveting pin enhanced connecting structure of radiator

Abstract

The utility model discloses a radiator rivet pin enhanced connection structure, which relates to the technical field of radiator structures, and comprises a rivet pin body inserted with a riveting hole, the rivet pin body comprises a deformation part and extrusion parts arranged at the two ends of the deformation part, and the deformation part is provided with a filling groove and guide blocks positioned at the two ends of the filling groove. When the extrusion part is stressed to extrude towards the direction of the deformation part, the riveting needle body extrudes into the filling groove so as to improve the adhesive force between the riveting needle body and the radiator body. According to the radiator rivet pin enhanced connection structure, when the rivet pin body is pressed and stressed in the riveting hole, the extrusion parts at the two ends extrude towards the middle of the deformation part, body materials can be extruded into the filling groove under the action of the filling groove and the guide block, the adhesion force is improved, and compared with an existing structure, the adhesion force is remarkably improved; and the production requirements of high-specification radiators are met, and connection is more stable.

Description

Technical Field

[0001] The utility model relates to the technical field of radiator structures, in particular to a radiator rivet reinforced connection structure. Background Art

[0002] Radiator rivets are key components used to connect radiator accessories to the main components during radiator manufacturing. Riveting technology utilizes the deformation and diameter change of the rivet to achieve connection, ensuring a secure connection between radiator components and overall structural stability. Riveting process specifications are crucial for ensuring radiator quality and are applicable to all types of radiator accessories.

[0003] CN201120175882.7 discloses a rivet pin reverse rivet structure of a radiator, which includes a radiator, a heating element and a rivet pin. An assembly hole is opened on the radiator, and the rivet pin is riveted to the radiator from one side of the bottom of the base plate of the heating element; after the rivet pin passes through the mounting hole on the base plate of the heating element, its riveted part is riveted and fixed to the assembly hole on the bottom surface of the radiator.

[0004] The adhesion of existing rivet pin structures used in radiators is usually around 10kgf, which poses a risk of falling off in high-specification radiators and cannot meet the riveting adhesion requirements of high-specification radiators. Utility Model Content

[0005] This utility model aims to at least address the technical problem of existing radiator rivet pins, which typically have an adhesion force of around 10 kgf, posing a risk of falling off in high-specification radiators and failing to meet the required riveting adhesion for these applications. To this end, this utility model proposes a reinforced radiator rivet pin connection structure. By improving the central structure of the rivet pin, it allows for a tighter connection to components during die riveting, effectively improving the rivet pin's adhesion and preventing it from loosening, thus meeting product requirements.

[0006] According to some embodiments of the present invention, a radiator rivet reinforced connection structure is applied to a radiator body, wherein the radiator body is provided with a rivet hole; the structure comprises:

[0007] The rivet body is plugged into the rivet hole. The rivet body includes a deformable portion and extrusion portions provided at both ends of the deformable portion. The deformable portion is provided with a filling groove and guide blocks located at both ends of the filling groove. When the extrusion portion is forced to be extruded toward the deformable portion, the rivet body is extruded into the filling groove to improve the adhesion between the rivet body and the radiator body.

[0008] According to some embodiments of the present invention, the filling groove is arranged around the deformation portion, and the cross-sectional diameter of the filling groove is smaller than the cross-sectional diameter of the extrusion portion.

[0009] According to some embodiments of the present invention, the cross-sectional diameter of the guide block is larger than the cross-sectional diameter of the extrusion portion.

[0010] According to some embodiments of the present invention, the guide block is provided with a back guide block and an extrusion guide block, the thickness of the back guide block is greater than the thickness of the extrusion guide block, and the extrusion guide block is used to guide the rivet body structure to be extruded into the filling groove.

[0011] According to some embodiments of the present invention, the cross-sectional diameter of the extrusion guide block is smaller than the cross-sectional diameter of the back guide block.

[0012] According to some embodiments of the present invention, the end of the extrusion portion on one side of the extrusion guide block is chamfered.

[0013] According to some embodiments of the present invention, the diameter of the back guide block gradually narrows in a direction away from the filling groove.

[0014] According to some embodiments of the present invention, when the rivet pin body is plugged into the rivet hole, the filling groove and the extrusion guide block are located inside the rivet hole, and a portion of the back guide block is located outside the rivet hole.

[0015] According to some embodiments of the present invention, the ratio of the length of the deformation portion to the length of the extrusion portion is 0.2 to 0.4.

[0016] According to some embodiments of the present invention, the radiator rivet reinforced connection structure has at least the following beneficial effects: when the rivet body is pressurized and stressed in the rivet hole, the extrusion parts at both ends are squeezed toward the middle of the deformation part, and under the action of the filling groove and the guide block, the body material can be squeezed into the filling groove, thereby improving the adhesion strength, which is significantly improved compared to the adhesion of the existing structure, meets the production requirements of high-specification radiators, and has a more stable connection.

[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] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 This is a schematic diagram of the existing rivet pin structure connection;

[0020] Figure 2 This is a top view of the connection structure of the radiator rivet reinforcement according to an embodiment of the present utility model;

[0021] Figure 3 This is a side view of the connection structure of the radiator rivet reinforcement according to an embodiment of the present utility model;

[0022] Figure 4 It is a structural diagram of an existing rivet pin structure;

[0023] Figure 5 This is a structural schematic diagram of the radiator rivet reinforced connection structure according to an embodiment of the present utility model.

[0024] Reference numerals:

[0025] Existing rivet pin structure 1, radiator body 100, rivet hole 110,

[0026] Rivet body 200 , deformation portion 210 , filling groove 211 , back guide block a, extrusion guide block b, extrusion portion 220 . DETAILED DESCRIPTION

[0027] The following describes in detail embodiments of the present invention. Examples of the embodiments 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 only to explain the present invention and are not to be construed as limiting the present invention.

[0028] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, top, bottom, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They 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. Therefore, they cannot be understood as limitations on the present invention.

[0029] In the description of this utility model, "several" means one or more, "many" means more than two, "greater than," "less than," and "exceed" are understood to exclude the number itself, while "above," "below," and "within" are understood to include the number itself. The use of "first" and "second" in the description is solely for the purpose of distinguishing technical features and is not to be construed as indicating or implying relative importance, implicitly specifying the number of the indicated technical features, or implicitly specifying the order of the indicated technical features.

[0030] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0031] Reference below Figure 1-Figure 5The radiator rivet reinforced connection structure according to an embodiment of the present invention is described.

[0032] like Figure 1-Figure 5 As shown, the heat sink rivet pin reinforced connection structure is applied to the heat sink body 100, which is provided with a rivet hole 110. Specifically, it includes a rivet pin body 200, which is plugged into the rivet hole 110. The rivet pin body 200 is deformed by applying pressure from both ends of the rivet pin body 200 through a mold, so that the rivet pin body 200 abuts against the inner wall of the rivet hole 110 and the two ends are pressed together to form a fixed connection structure. In actual use, the rivet pin body 200 passes through the two workpieces to be riveted, and then the mold applies pressure to connect the two workpieces.

[0033] Specifically, the rivet body 200 includes a deformation portion 210 and an extrusion portion 220 arranged at both ends of the deformation portion 210. The deformation portion 210 is provided with a filling groove 211 and guide blocks located at both ends of the filling groove 211. When the extrusion portion 220 is subjected to force and squeezed toward the deformation portion 210, the rivet body 200 is squeezed into the filling groove 211, which is used to improve the adhesion between the rivet body 200 and the radiator body 100.

[0034] like Figure 1 and Figure 4 As shown, the main body of the existing rivet structure is cylindrical, with an embossed pattern in the middle. The embossed pattern in the middle is pressed against the inner wall of the rivet hole 110 by squeezing at both ends, increasing friction and achieving a maximum adhesion of approximately 10 kgf. However, with the rapid development of transistor density, the power of existing electrical appliances is also increasing rapidly, from a few hundred watts to the current power consumption of 700 to 1,000 watts. The specifications of radiators are also increasing rapidly, resulting in increasingly complex structures and heavier weights for high-specification radiators. Traditional rivets with an adhesion of 10 kgf can no longer meet the rivet adhesion requirements of high-specification radiators.

[0035] The heat sink rivet reinforcement structure of this embodiment features improvements on the rivet body 200. The original central embossed pattern is replaced with a deformable portion 210. The guide block, combined with the filling groove 211, allows the rivet body 200 to deform toward the center during compression, forcing the material into the rivet hole 110. This increases the friction between the rivet body 200 and the rivet hole 110, providing an adhesion force exceeding 25 kgf. This makes the heat sink workpiece connection more stable and meets the production requirements of high-specification heat sinks.

[0036] In some embodiments of the present invention, Figure 2 and Figure 5As shown, the filling groove 211 is disposed around the deforming portion 210, and the cross-sectional diameter of the filling groove 211 is smaller than the cross-sectional diameter of the extrusion portion 220. Specifically, the filling groove 211 is recessed within the rivet body 200. During the deformation of the rivet body 200, the filling groove 211 can guide the material to be squeezed into the gilded rivet groove, thereby ensuring a closer contact between the rivet body 200 and the inner wall of the rivet hole 110.

[0037] In some embodiments of the present invention, Figure 2 and Figure 5 As shown, the cross-sectional diameter of the guide block is larger than that of the extrusion portion 220. When force is applied to the guide block and extrusion portion 220, the guide block first deforms toward the filling groove 211, then guides the extrusion portion 220 to continue extruding toward the filling groove 211. The larger cross-sectional area of ​​the guide block than the extrusion portion 220 allows it to pre-extrude into the filling groove 211 during deformation, preventing the central portion of the rivet body 200 from being fractured by force.

[0038] Furthermore, the guide block includes a back guide block a and an extrusion guide block b. The back guide block a is thicker than the extrusion guide block b. The extrusion guide block b is used to guide the rivet body 200 structure toward the filling groove 211. During the actual riveting process, the extrusion guide block b is located within the rivet hole 110 formed by the two workpieces. The extrusion guide block b is thin, allowing it to deform and perform pre-extrusion when subjected to force.

[0039] Furthermore, the cross-sectional diameter of the extrusion guide block b is smaller than that of the back guide block a. This creates a stepped structure between the extrusion guide block b and the back guide block a, facilitating the phased extrusion of the rivet body 200 into the rivet hole 110 during the riveting process. This allows for more complete contact between the rivet body and the inner wall of the rivet hole 110, thereby improving connection stability.

[0040] In some embodiments of the present invention, Figure 5 As shown, the end of the extrusion portion 220 on one side of the extrusion guide block b is chamfered, which is beneficial for the extrusion guide block b to be deformed first when the mold applies pressure.

[0041] In some embodiments of the present invention, Figure 5 As shown, the diameter of the back guide piece a gradually narrows as it moves away from the filling groove 211. Specifically, when the rivet body 200 is subjected to force, the cross-section of the back guide piece a with a smaller diameter receives more concentrated force, causing it to be squeezed and deformed preferentially, thereby fixing the position of the rivet body 200 relative to the rivet hole 110. The rivet body is then squeezed into the filling groove 211 to complete the subsequent riveting process.

[0042] In some embodiments of the present invention, Figure 4 and Figure 5As shown, when the rivet body 200 is inserted into the rivet hole 110, the filling groove 211 and the extrusion guide block b are located inside the rivet hole 110, and a portion of the back guide block a is located outside the rivet hole 110. Specifically, the extrusion guide block b can be more easily deformed and extruded in the rivet hole 110 to achieve the effect of preliminarily positioning the positions of the two rivet holes 110.

[0043] In some embodiments of the present invention, Figure 5 As shown, the ratio of the length of the deformation portion 210 to the length of the extrusion portion 220 is 0.2-0.4.

[0044] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the illustrative use of the above terms does not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0045] 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 radiator rivet reinforced connection structure, applied to a radiator body (100), wherein the radiator body (100) is provided with a rivet hole (110); characterized in that: include: A rivet body (200) is plugged into the rivet hole (110), and the rivet body (200) comprises a deformable portion (210) and extrusion portions (220) arranged at both ends of the deformable portion (210). The deformable portion (210) is provided with a filling groove (211) and guide blocks located at both ends of the filling groove (211). When the extrusion portion (220) is pressed toward the deformable portion (210), the rivet body (200) is pressed into the filling groove (211), thereby improving the adhesion between the rivet body (200) and the radiator body (100).

2. The radiator rivet reinforced connection structure according to claim 1, characterized in that: The filling groove (211) is arranged around the deformation portion (210), and the cross-sectional diameter of the filling groove (211) is smaller than the cross-sectional diameter of the extrusion portion (220).

3. The radiator rivet reinforced connection structure according to claim 2, characterized in that: The cross-sectional diameter of the guide block is larger than the cross-sectional diameter of the extrusion portion (220).

4. The radiator rivet reinforced connection structure according to claim 1, characterized in that: The guide block is provided with a back guide block (a) and an extrusion guide block (b); the thickness of the back guide block (a) is greater than the thickness of the extrusion guide block (b); and the extrusion guide block (b) is used to guide the rivet body (200) structure to be extruded into the filling groove (211).

5. The radiator rivet reinforced connection structure according to claim 4, characterized in that: The cross-sectional diameter of the extrusion guide block (b) is smaller than the cross-sectional diameter of the back guide block (a).

6. The radiator rivet reinforced connection structure according to claim 4, characterized in that: The end of the extrusion portion (220) on one side of the extrusion guide block (b) is chamfered.

7. The radiator rivet reinforced connection structure according to claim 4, characterized in that: The diameter of the back guide block (a) gradually narrows in a direction away from the filling groove (211).

8. The radiator rivet reinforced connection structure according to claim 4, characterized in that: When the rivet body (200) is plugged into the rivet hole (110), the filling groove (211) and the extrusion guide block (b) are located inside the rivet hole (110), and a portion of the back guide block (a) is located outside the rivet hole (110).

9. The radiator rivet reinforced connection structure according to any one of claims 1 to 8, characterized in that: The ratio of the length of the deformation portion (210) to the length of the extrusion portion (220) is 0.2 to 0.4.

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