Riveting piece for connecting automobile body and connecting system
By designing gradually shrinking chamfers and gradually increasing cross-sectional area in the riveted parts, deformation is formed in the embedded plate, which solves the problem that existing riveted parts are difficult to meet the rotation torque and pushing force, and achieves a high-quality connection effect.
Patent Information
- Application Number
- CN202323493965.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-21
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2033-12-21
AI Technical Summary
Existing riveted parts are difficult to meet certain rotational torque and pushing force requirements after installation, and there is a lack of effective solutions.
A riveting member for connecting the body of the automobile is designed, including a flange part, a head part and a riveting part. The riveting part is provided with a gradually shrinking chamfer and a gradually larger cross-sectional area. The chamfer is embedded in the plate to make the hole of the riveting hole. The walls are deformed and filled with the reservoir to ensure rotational torque and pushing force.
Through the chamfering design, the installed riveted parts can meet the needs of rotational torque and pushing force, while ensuring the quality of the connection without affecting the original strength and internal stress.
Smart Images
Figure CN222315625U_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of riveted parts, and in particular to a riveted part and a connection system for connecting automobile bodies. Background Art
[0002] With the rapid development of the automobile industry, the market demand for riveted parts has also increased. Now a special riveted part is needed to ensure that the riveted part can meet a certain rotational torque and push-out force after installation.
[0003] To address the above problems, no effective solution has been proposed yet.
[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 section of the utility model. Utility Model Content
[0005] The purpose of this specification is to provide a rivet for connecting an automobile body and a connection system to solve the above problems.
[0006] This specification provides a rivet for connecting an automobile body, comprising:
[0007] A flange portion, a head portion and a rivet portion arranged on opposite sides of the flange portion; the rivet member has a first direction from the head portion toward the flange portion; the rivet portion includes a first rivet unit and a second rivet unit arranged in sequence along the first direction, wherein the outer periphery of the first rivet unit is provided with a receiving groove extending in a direction perpendicular to the axis of the rivet portion, and an end of the first rivet unit close to the flange portion is provided with a chamfer gradually shrinking along the first direction; the cross-sectional area of the second rivet unit gradually increases along the first direction, and the minimum cross-sectional area of the second rivet unit is smaller than the minimum cross-sectional area of the chamfer; the maximum cross-sectional area of the chamfer is larger than the aperture of the rivet hole.
[0008] Specifically, the chamfer on the first riveting unit is connected to the receiving groove via a smooth arc.
[0009] Specifically, the chamfer connecting the flange portion and the first riveting unit is a 50° chamfer.
[0010] Specifically, the acute angle formed by the cross section of the second riveting unit and the outer surface of the second riveting unit is 45°.
[0011] Specifically, the riveted component is a hollow structure, chamfers are arranged at both ends of a through hole penetrating the riveted component, and a minimum cross-sectional area of the through hole is smaller than a minimum cross-sectional area of the first riveted unit.
[0012] A connection system, characterized in that it includes a plate and the rivet member described above, wherein a rivet hole is provided on the plate, and the rivet portion is inserted into the rivet hole; the chamfer is embedded in the plate, so that the hole wall of the rivet hole is deformed and the plate is filled into the receiving groove.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] 1. The utility model provides a chamfer with a cross-sectional area larger than the riveting hole on the riveted portion, and then the chamfer can be used to push the plate into the receiving groove by external force, thereby ensuring that a certain rotation torque and push-out force can be met after installation.
[0015] 2. The utility model provides chamfers on the riveted portion, thereby ensuring the quality of the connection without affecting the original strength and internal stress. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the embodiments of this specification 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 recorded in this specification. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0017] Figure 1 It is a front view of a rivet for connecting an automobile body and a connection system provided in an embodiment of this specification;
[0018] Figure 2 This is an installation diagram of a rivet for connecting an automobile body and a connection system provided in an embodiment of this specification;
[0019] Figure 3 This is a cross-sectional view of a rivet for connecting an automobile body and a connection system after installation provided in an embodiment of this specification.
[0020] In the figure: 1, flange part; 2, head part; 3, riveting part; 31, first riveting unit; 32, second riveting unit; 4, plate material; 5, through hole. DETAILED DESCRIPTION
[0021] In order to enable those skilled in the art to better understand the technical solutions in this specification, the technical solutions in the embodiments of this specification will be clearly and completely described below in conjunction with the drawings in the embodiments of this specification. Obviously, the described embodiments are only part of the embodiments of this specification, not all of the embodiments. Based on the embodiments in this specification, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of this specification.
[0022] 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.
[0023] Reference Figures 1 to 3 As shown, the embodiment of the present application provides a rivet for connecting an automobile body, comprising:
[0024] A flange portion 1 , a head portion 2 and a rivet portion 3 arranged on two opposite sides of the flange portion 1 , wherein the rivet has a first direction from the head portion 2 toward the flange portion 1 .
[0025] The riveting part 3 includes a first riveting unit 31 and a second riveting unit 32 arranged in sequence along the first direction. The outer periphery of the first riveting unit 31 is provided with a groove extending in a direction perpendicular to the axis of the riveting part 3. The end of the first riveting unit 31 close to the flange part 1 is provided with a chamfer gradually shrinking along the first direction, and the chamfer is a 50° chamfer. The chamfer on the first riveting unit 31 is connected to the groove through a smooth arc. The cross-sectional area of the second riveting unit 32 gradually increases along the first direction, and the minimum cross-sectional area of the second riveting unit 32 is smaller than the minimum cross-sectional area of the chamfer; the maximum cross-sectional area of the chamfer is larger than the aperture of the rivet hole. The acute angle formed by the cross section of the second riveting unit 32 and the outer surface of the second riveting unit 32 is 45°.
[0026] Furthermore, the riveted component is a hollow structure, and chamfers are provided at both ends of a through hole 5 penetrating the riveted component, and a minimum cross-sectional area of the through hole 5 is smaller than a minimum cross-sectional area of the first riveted unit 31 .
[0027] In one embodiment, a connection system is included, characterized in that it includes a plate 4 and a rivet, the plate 4 is provided with a rivet hole, and the rivet portion 3 of the rivet is inserted into the rivet hole. The connection steps of the connection system are: placing the rivet into the lower die of the pressing die, with the rivet portion 3 of the rivet facing upward; placing the plate 4 with the rivet hole at the rivet portion 3 of the rivet and pressing it down through the upper die until it contacts the flange portion 1 of the rivet, at which time the chamfer is embedded in the plate 4, so that the hole wall of the rivet hole is deformed and the plate 4 is filled into the groove.
[0028] Although different specific embodiments are mentioned in the content of this application, this application is not limited to the situations described in the industry standards or embodiments, etc. Some industry standards or slightly modified implementation plans based on the implementation of the custom methods or embodiments can also achieve the same, equivalent or similar, or predictable implementation effects after deformation of the above embodiments. The embodiments of data acquisition, processing, output, judgment methods, etc. after these modifications or deformations can still fall within the scope of the optional implementation plans of this application.
[0029] Although the present application has been described through embodiments, those skilled in the art will appreciate that there are many modifications and changes to the present application without departing from the spirit of the present application. It is intended that the attached embodiments include these modifications and changes without departing from the present application.
Claims
1. A rivet for connecting an automobile body, wherein the rivet connects the plates through rivet holes on the plates; characterized in that: include: A flange portion, a head portion and a riveting portion arranged on two opposite sides of the flange portion; The rivet has a first direction from the head toward the flange; the rivet includes a first rivet unit and a second rivet unit arranged in sequence along the first direction, wherein the outer periphery of the first rivet unit is provided with a receiving groove extending in a direction perpendicular to the axis of the rivet, and one end of the first rivet unit close to the flange is provided with a chamfer gradually shrinking along the first direction; the cross-sectional area of the second rivet unit gradually increases along the first direction, and the minimum cross-sectional area of the second rivet unit is smaller than the minimum cross-sectional area of the chamfer; the maximum cross-sectional area of the chamfer is larger than the aperture of the rivet hole.
2. The rivet for connecting an automobile body according to claim 1, characterized in that: The chamfer on the first riveting unit is connected to the receiving groove via a smooth arc.
3. The rivet for connecting an automobile body according to claim 1, characterized in that: The chamfer connecting the flange portion and the first riveting unit is a 50° chamfer.
4. The rivet for connecting an automobile body according to claim 2, characterized in that: The acute angle formed by the cross section of the second riveting unit and the outer surface of the second riveting unit is 45°.
5. The rivet for connecting an automobile body according to claim 1, characterized in that: The riveted component is a hollow structure, and chamfers are arranged at both ends of a through hole penetrating the riveted component. The minimum cross-sectional area of the through hole is smaller than the minimum cross-sectional area of the first riveted unit.
6. A connection system, characterized in that: It comprises a plate and a rivet, wherein the plate is provided with a rivet hole, and the rivet portion of the rivet as described in any one of claims 1 to 5 is penetrated into the rivet hole; the chamfer is embedded in the plate, so that the hole wall of the rivet hole is deformed and the plate is filled into the containing groove.