Pressing rivet supporting assembly and connecting system

Abstract

The utility model discloses a pressing rivet supporting assembly and a connecting system, an upper sleeve comprises a first main body, a first guide part and a first inner hole which are sequentially arranged in the axial direction, and the first inner hole is formed in the first main body in the axial direction and penetrates through the first guide part; the pressing rivet nut comprises a second main body provided with a second inner hole, the end portion, close to the upper sleeve, of the second main body extends inwards in the axial direction to form a second guide portion, and the first guide portion and the second guide portion are connected in an interference fit mode. The supporting requirements of different positions and different heights can be met only by replacing the upper sleeves with different heights, the upper sleeves and the pressing rivet nuts are designed in a split mode and are connected in an interference fit mode, the upper sleeves and the pressing rivet nuts are integrated, high torsion resistance and high push-out resistance can be provided, the connecting strength is guaranteed, the production cost is reduced, and the production efficiency is improved. And mass production can be further realized.

Description

Technical Field

[0001] The utility model relates to the technical field of fastener connection, in particular to a riveting support component and a connection system. Background Art

[0002] The description in this section merely provides background information related to the disclosure of the present utility model and does not constitute prior art.

[0003] In actual fastening and supporting connections, it is often necessary to support or strengthen a very high cavity to improve the overall rigidity of the cavity and to separate the upper and lower steel plates. At this time, very high or very long parts are needed to adapt, but the processing of long parts will bring many challenges, even beyond the processing capacity of ordinary processing equipment. At the same time, high parts will also bring challenges to other auxiliary processes, such as heat treatment and electroplating processes. The traditional single long support sleeve nut design has a complex manufacturing process, especially when the matching screw is very long, and its manufacturing is even more complicated.

[0004] It should be noted that the above introduction to the technical background is only for the convenience of providing a clear and complete description of the technical solutions of the utility model and for the convenience of understanding by those skilled in the art. It cannot be considered that the above technical solutions are well known to those skilled in the art simply because these solutions are described in the background technology part of the utility model. Utility Model Content

[0005] In order to overcome the defects in the prior art, the main purpose of the utility model is to provide a self-clinching support assembly and a connection system. The support height is flexible. Upper sleeves of different heights can share a self-clinching nut. Only by replacing the upper sleeves of different heights, the support requirements of different positions and different heights can be met. The upper sleeve and the self-clinching nut are designed as separate parts and are connected by interference fit, so that the upper sleeve and the self-clinching nut become a whole, which can provide high torque resistance and high push-out resistance, and ensure the connection strength.

[0006] The purpose of the utility model is achieved through the following technical solutions:

[0007] The utility model provides a pressure riveting support assembly, comprising an upper sleeve and a pressure riveting nut sequentially arranged along the axial direction;

[0008] The upper sleeve comprises a first main body, a first guide portion and a first inner hole which are sequentially arranged along the axial direction, wherein the first inner hole is axially arranged in the first main body and passes through the first guide portion;

[0009] The rivet nut includes a second main body provided with a second inner hole, a second guide portion extending axially inwardly from the end of the second main body close to the upper sleeve, the aperture of the second inner hole is smaller than the outer diameter of the second guide portion, and the first guide portion and the second guide portion are connected by interference fit.

[0010] As a further description of the above technical solution, the first guide portion includes a first guide column and a second guide column, the diameter of the second guide column is larger than the diameter of the first guide column, and a preset gap extending radially inward along the first body is provided at the connection between the second guide column and the first body, and the top end material of the second guide portion flows into the preset gap through the extrusion part.

[0011] As a further description of the above technical solution, the bottom end of the second body is provided with a discharge portion, a receiving portion and a third guide portion in sequence along the axial direction, and the second inner hole penetrates the discharge portion, the receiving portion and the third guide portion;

[0012] The diameter of the discharge portion is smaller than the diameter of the second body, and the discharge portion and the bottom end of the second body form a discharge step, and the outer wall of the discharge portion is provided with knurled teeth;

[0013] The outer diameter of the third guide portion is smaller than the outer diameter of the discharge portion;

[0014] The diameter of the material receiving portion gradually increases from the material discharging portion toward the third guide portion, and a material receiving groove is formed between the material receiving portion and the material discharging portion.

[0015] The utility model also provides a connection system, which adopts the above-mentioned riveting support assembly for connection, comprising:

[0016] A first plate and a second plate, wherein both ends of the first plate and the second plate are connected by fasteners, a first distance and a second distance are between the first plate and the second plate, and the first distance and the second distance have a height difference;

[0017] A first rectangular profile and a second rectangular profile having a height difference, wherein the first rectangular profile and the second rectangular profile are installed between a first plate and a second plate through a first riveting support assembly and a second riveting support assembly of different heights;

[0018] Wherein, the first upper sleeve of the first pressure riveting support assembly and the second upper sleeve of the second pressure riveting support assembly have a height difference;

[0019] The tops of the first and second riveting support assemblies pass through the first and second rectangular profiles and are connected to the first plate, and the second guide portions of the first and second riveting support assemblies pass through the bottoms of the first and second rectangular profiles and are connected to the second plate.

[0020] As a further description of the above technical solution, the outer wall of the second guide column in the first guide part is provided with knurled teeth or a polygonal riveting structure.

[0021] As a further description of the above technical solution, the first inner hole is a through hole, and the second inner hole is provided with an internal thread.

[0022] As a further description of the above technical solution, the first inner hole is a blind hole, and the second inner hole is provided with an internal thread.

[0023] As a further description of the above technical solution, the first inner hole is a blind hole, and an end of the first inner hole close to the second inner hole is provided with an internal thread, and the second inner hole is a through hole.

[0024] As a further description of the above technical solution, the first inner hole is a through hole, and both ends of the first inner hole are provided with internal threads, and the second inner hole is a through hole.

[0025] As a further description of the above technical solution, a connecting portion between the first main body and the first plate is provided with knurled teeth.

[0026] The outstanding effects of the utility model are:

[0027] The rivet support assembly provided by the utility model has a split design of the upper sleeve and the rivet nut, which are connected by interference fit, and the top material of the second guide portion is at least partially located in the preset gap, so that the upper sleeve and the rivet nut become a whole, which can provide high torsion resistance and high push-out resistance, and ensure the connection strength. The split design greatly reduces its manufacturing difficulty, and due to the reduced manufacturing difficulty, its single parts can be processed by a more economical cold forming process, the production cost is reduced, and mass production can be further realized;

[0028] The connection system provided by the utility model has a flexible support height of the self-riveting support assembly, and upper sleeves of different heights can share a self-riveting nut. Only by replacing the upper sleeves of different heights can the support requirements of different positions and different heights be met. The self-riveting support assembly of the utility model has strong adaptability, and the self-riveting nut can use high-strength materials to adapt to the customer's high-strength plate materials, and the interference fit upper sleeve above it can use a material that meets the support strength, thereby further improving the rationality of the application of the self-riveting support assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0030] Figure 1 This is a structural schematic diagram of a pressure riveting support assembly in an embodiment of the utility model;

[0031] Figure 2 This is a schematic diagram of a half-section structure of a press riveting support assembly in an embodiment of the utility model;

[0032] Figure 3 It is a schematic diagram of the interference fit process of the press riveting support assembly in the embodiment of the utility model;

[0033] Figure 4 for Figure 3 A magnified schematic diagram of the local A in the middle;

[0034] Figure 5 It is a schematic diagram of a half-section view of the upper sleeve in the embodiment of the utility model;

[0035] Figure 6 It is a schematic diagram of a half-section view of a self-clinching nut in an embodiment of the utility model;

[0036] Figure 7-Figure 8 This is a schematic diagram of the structure of the connection system in the embodiment of the utility model;

[0037] Fig. 9 This is a schematic structural diagram of an upper sleeve in the second embodiment of the utility model;

[0038] Fig.10 This is a structural schematic diagram of a press riveting support assembly in the second embodiment of the utility model;

[0039] Fig.11 This is a structural schematic diagram of a press riveting support assembly in the third embodiment of the utility model;

[0040] Fig.12 It is a structural schematic diagram of the riveting support assembly in the fourth embodiment of the utility model.

[0041] Reference numerals:

[0042] 1. Upper sleeve; 11. First body; 12. First inner hole; 13. First guide column; 14. Second guide column; 15. Preset gap; 16. Connecting part; 2. Rivet nut; 21. Second body; 22. Second guide part; 23. Second inner hole; 24. Discharge part; 25. Container; 26. Third guide part; 3. First plate; 4. Second plate; 41. First upper sleeve; 42. Second upper sleeve; 5. First rectangular profile; 6. Second rectangular profile; 7. Fastener. DETAILED DESCRIPTION

[0043] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0044] In the description of the present utility model, it should be noted that the terms "upper", "middle", "lower", "inner", "outer", "front", "back" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model. The terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. The following describes the implementation method of the present utility model based on its overall structure.

[0045] See also Figures 1 to 8 The embodiment of the utility model discloses a pressure riveting support assembly, comprising an upper sleeve 1 and a pressure riveting nut 2 which are sequentially arranged along the axial direction, and the center lines of the upper sleeve 1 and the pressure riveting nut 2 are on the same axis;

[0046] Reference Figure 2 The upper sleeve 1 comprises a first main body 11, a first guide portion and a first inner hole 12 which are sequentially arranged along the axial direction. The first inner hole 12 is axially arranged in the first main body 11 and passes through the first guide portion;

[0047] The rivet nut 2 includes a second main body 21 provided with a second inner hole 23. The second main body 21 has a second guide portion 22 extending axially inward at the end close to the upper sleeve 1. The aperture of the second inner hole 23 is smaller than the aperture of the second guide portion 22. The first guide portion and the second guide portion 22 are connected by interference fit.

[0048] Specifically, in the present embodiment, the first guide portion includes a first guide column 13 and a second guide column 14, the diameter of the second guide column 14 is larger than the diameter of the first guide column 13, and a preset gap 15 extending radially inwardly along the first body 11 is provided at the connection between the second guide column 14 and the first body 11, and the top material of the second guide portion 22 is fixed in the preset gap 15 by the flow of the extrusion part.

[0049] Specifically, in this embodiment, the bottom end of the second body 21 is provided with a discharge portion 24, a receiving portion 25 and a third guide portion 26 in sequence along the axial direction, and the second inner hole 23 penetrates the discharge portion 24, the receiving portion 25 and the third guide portion 26;

[0050] The diameter of the discharge portion 24 is smaller than the diameter of the second main body 21, and the discharge portion 24 and the bottom end of the second main body 21 form a discharge step, and the outer wall of the discharge portion 24 is provided with knurled teeth;

[0051] The outer diameter of the third guide portion 26 is smaller than the outer diameter of the discharge portion 24;

[0052] The diameter of the material receiving portion 25 gradually increases from the material discharging portion 24 toward the third guide portion 26 , and a material receiving groove is formed between the material receiving portion 25 and the material discharging portion 24 .

[0053] The upper sleeve 1 and the rivet nut 2 in the utility model are both one-time molding structures. The rivet support assembly adopts a split design of the upper sleeve 1 and the rivet nut 2, which are connected by interference fit. After the interference fit, the top material of the second guide portion 22 is fixed in the preset gap 15 by the extrusion part flow, so that the upper sleeve 1 and the rivet nut 2 become a whole. The split design greatly reduces the manufacturing difficulty. Due to the reduced manufacturing difficulty, the single parts can be processed by a more economical cold forming process, and have good mass producibility.

[0054] Specifically, in this embodiment, a connection system is also provided, which is connected by the above-mentioned riveting support assembly, including:

[0055] A first plate 3 and a second plate 4, wherein both ends of the first plate 3 and the second plate 4 are connected by a fastening assembly 7, and there is a first distance and a second distance between the first plate 3 and the second plate 4, and there is a height difference between the first distance and the second distance;

[0056] A first rectangular profile 5 and a second rectangular profile 6 having a height difference, wherein the first rectangular profile 5 and the second rectangular profile 6 are installed between the first plate 3 and the second plate 4 through a first riveting support assembly and a second riveting support assembly of different heights;

[0057] Wherein, the first upper sleeve 41 of the first pressure riveting support assembly and the second upper sleeve 42 of the second pressure riveting support assembly have a height difference;

[0058] The top of the first and second press riveting support assemblies passes through the first and second rectangular profiles 5 and 6 and is connected to the first plate 3, and the second guide portions 22 of the first and second press riveting support assemblies pass through the bottom of the first and second rectangular profiles 5 and 6 and are connected to the second plate 4.

[0059] In this embodiment, the riveting support assembly can be applied to the structure that mainly bears pressure on the automobile pedal and the upper support plate. The reliability of the connection can be achieved by locking the fastening assembly (nuts and bolts) of its outer ring. The first plate 3 is applied to the automobile upper pedal, and the second plate 4 is a high-strength support plate. The first inner hole 12 is a through hole, and the second inner hole 23 is provided with an internal thread. An external fastening component (not shown in the figure) is used to pass through the second plate 4, the bottom of the rectangular profile, the riveting nut 2, the upper sleeve 1, the top of the rectangular profile and the first plate 3 along the third guide portion 26 and the second inner hole 23 in sequence. The rectangular profile is partially deformed after being extruded, and the knurled teeth on the outer wall of the discharge portion 24 provide high torque performance. A part of the rectangular profile is extruded into the material receiving groove, and the material receiving groove also provides high anti-push-out performance, thereby ensuring the overall connection stability of the connection system; the first riveting support assembly and the second riveting support assembly use the same riveting nut 2, and the height of the first upper sleeve 41 is less than the height of the second upper sleeve 42. Figure 7 and Figure 8 By replacing the upper sleeve 1 of different heights, the actual needs of different total height supports can be met, which greatly improves the application scope of the riveting support assembly for special avoidance height requirements and different positions. The utility model adopts a split design of the upper sleeve 1 and the riveting nut 2, which are connected by interference fit to make the two become a whole, which can greatly reduce the manufacturing difficulty of the riveting support assembly, and due to the reduction in manufacturing difficulty, the upper sleeve 1 and the riveting nut 2 can be processed by a more economical cold forming process, which can further achieve mass production.

[0060] The present invention is described in detail below through other specific embodiments:

[0061] Embodiment 2

[0062] Reference Fig. 9 In this embodiment, the structure of the rivet nut 2 is consistent with the above embodiment. The outer wall of the second guide column 14 in the first guide portion is provided with knurled teeth or a polygonal rivet structure, which can better ensure that the interference structure between the upper sleeve 1 and the rivet nut 2 fits tightly and can provide high torque resistance. Fig.10The first inner hole 12 of the upper sleeve 1 can be made into a blind hole, and the top of the upper sleeve 1 is in a closed state, which can play a dust-proof role. In addition, the top of the upper sleeve 1 abuts against the first plate 3. The contact area between the upper sleeve 1 and the first plate 3 in this embodiment is increased, which can increase the support area.

[0063] Embodiment 3

[0064] Reference Fig.11 Compared with the second embodiment, in this embodiment, the first inner hole 12 is a blind hole, and an end of the first inner hole 12 close to the second inner hole 23 is provided with an internal thread. The second inner hole 23 in the structure of the self-clinching nut 2 can be selectively made into a through hole, so that the screw can be passed through the second inner hole 23 and screwed together with the internal thread of the first inner hole 12, which can make the connection between the upper sleeve 1 and the self-clinching nut 2 more firm and reliable, further improving the flexible applicability of the self-clinching support assembly.

[0065] Embodiment 4

[0066] Reference Fig.12 Compared with the third embodiment, in the present embodiment, the first inner hole 12 is a through hole, and both ends of the first inner hole 12 are provided with internal threads, and the second inner hole 23 is still selected to be made into a through hole. The first inner hole 12 is made into a through hole double-threaded structure, so that the first plate 3 can be further connected to other structures; in addition, the connecting portion 16 between the first main body 11 and the first plate 3 is provided with knurled teeth, and knurling is used for forming, so that the upper sleeve 1 is tightly connected to the first plate 3, which can provide high torsion resistance, and the reliability of the connection between the two parts is further improved by adding threads to the upper sleeve.

[0067] In the utility model, the support height of the self-riveting support assembly is flexible, and upper sleeves 1 of different heights can share one self-riveting nut 2. Only by replacing the upper sleeves 1 of different heights, the support requirements of different positions and different heights can be achieved. The self-riveting support assembly of the utility model has strong adaptability, and the self-riveting nut can use high-strength materials to adapt to the customer's high-strength plate material, and the interference fit upper sleeve above it can use a material that meets the support strength, further improving the rationality of the application of the self-riveting support assembly. The pitch, size diameter, and tooth angle of the internal thread involved in the above embodiment can be set according to the actual needs of the matching fastener, and are suitable for various fastening components with external threads.

[0068] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not limited to the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any changes, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A riveting support assembly, characterized in that: It includes an upper sleeve and a rivet nut which are sequentially arranged along the axial direction; The upper sleeve comprises a first main body, a first guide portion and a first inner hole which are sequentially arranged along the axial direction, wherein the first inner hole is axially arranged in the first main body and penetrates the first guide portion; The rivet nut includes a second main body provided with a second inner hole, a second guide portion extending axially inwardly from the end of the second main body close to the upper sleeve, the aperture of the second inner hole is smaller than the outer diameter of the second guide portion, and the first guide portion and the second guide portion are connected by interference fit.

2. The pressure riveting support assembly according to claim 1, characterized in that: The first guide portion includes a first guide column and a second guide column, the diameter of the second guide column is larger than the diameter of the first guide column, and a preset gap extending radially inward along the first body is provided at the connection between the second guide column and the first body, and the top end material of the second guide portion flows into the preset gap through the extrusion part.

3. The pressure riveting support assembly according to claim 1, characterized in that: The bottom end of the second body is provided with a discharge portion, a receiving portion and a third guide portion in sequence along the axial direction, and the second inner hole penetrates the discharge portion, the receiving portion and the third guide portion; The diameter of the discharge portion is smaller than the diameter of the second body, and the discharge portion and the bottom end of the second body form a discharge step, and the outer wall of the discharge portion is provided with knurled teeth; The outer diameter of the third guide portion is smaller than the outer diameter of the discharge portion; The diameter of the material receiving portion gradually increases from the material discharging portion toward the third guide portion, and a material receiving groove is formed between the material receiving portion and the material discharging portion.

4. A connection system, characterized in that: The connection using the riveting support assembly according to any one of claims 1 to 3 comprises: A first plate and a second plate, wherein both ends of the first plate and the second plate are connected by fasteners, a first distance and a second distance are between the first plate and the second plate, and the first distance and the second distance have a height difference; A first rectangular profile and a second rectangular profile having a height difference, wherein the first rectangular profile and the second rectangular profile are installed between a first plate and a second plate through a first riveting support assembly and a second riveting support assembly of different heights; Wherein, the first upper sleeve of the first pressure riveting support assembly and the second upper sleeve of the second pressure riveting support assembly have a height difference; The tops of the first and second riveting support assemblies pass through the first and second rectangular profiles and are connected to the first plate, and the second guide portions of the first and second riveting support assemblies pass through the bottoms of the first and second rectangular profiles and are connected to the second plate.

5. The connection system according to claim 4, characterized in that The first inner hole is a through hole, and the second inner hole is provided with an internal thread.

6. The connection system according to claim 4, characterized in that The outer wall of the second guide column in the first guide portion is provided with knurled teeth or a polygonal riveting structure.

7. The connection system according to claim 6, characterized in that The first inner hole is a blind hole, and the second inner hole is provided with an internal thread.

8. The connection system according to claim 6, characterized in that The first inner hole is a blind hole, and an end of the first inner hole close to the second inner hole is provided with an internal thread, and the second inner hole is a through hole.

9. The connection system according to claim 6, characterized in that The first inner hole is a through hole, and both ends of the first inner hole are provided with internal threads, and the second inner hole is a through hole.

10. The connection system according to claim 9, characterized in that The connecting portion between the first body and the first plate is provided with knurled teeth.

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