Pressing rivet nut

Abstract

The utility model provides a pressing rivet nut. The pressing rivet nut comprises a head part; the fastening part is integrally formed and connected below the head part; the upper end of the bolt is provided with a plurality of threads arranged in the vertical direction. A buffering assembly is further arranged at the upper end of the fastening part. According to the fastening piece, the buffering assembly is arranged, so that the fastening piece can absorb axial impact energy, damage to the fastening part and a component to be installed is reduced, and reliability and safety of connection are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile fasteners, and more specifically, particularly relates to a pressure rivet nut. Background Art

[0002] In the automotive field, fasteners usually play an auxiliary role in the connection of other parts and are used in conjunction with bolts, such as the connection between the splash pad and the car body, the connection between the rear floor cover and the floor frame, and the connection between the bracket and the car body. Fasteners are widely used in the automotive field, and a large number of fasteners are used in the rear floor area, side area, front cabin area, etc. In addition, fasteners are also used to fix components such as automobile engines and transmissions.

[0003] However, traditional fasteners such as nuts and bolts have some problems during use. For example, in automobiles, fastener connections often need to withstand various external excitations and impacts, such as vibration, impact, temperature changes, etc. These factors may cause the bolt connection to loosen, break or fail, thereby affecting the reliability and safety of the machinery or equipment. In particular, when the fastener is subjected to axial impact, it may directly cause damage to the fastening part and the component to be installed. Utility Model Content

[0004] The utility model aims to provide a self-clinching nut to solve the problem in the prior art that fasteners are easily loosened and damaged after being subjected to axial impact.

[0005] In order to solve the above technical problems, the specific technical solution of a self-clinching nut of the utility model is as follows:

[0006] A self-clinching nut, characterized by comprising:

[0007] head;

[0008] The fastening part is integrally formed and connected to the lower part of the head; the upper end of the fastening part is provided with a plurality of vertically arranged threads; the upper end of the fastening part is also provided with a buffer component.

[0009] Optionally, the fastening portion is provided with a through hole penetrating into the fastening portion.

[0010] Optionally, the buffer assembly includes a plurality of circumferential buffer members, and all of the buffer members are circumferentially equidistantly arranged at the junction between the upper end of the fastening portion and the head.

[0011] Optionally, each of the buffer components includes a fixing portion for fixing the fastening portion, a supporting portion, and a fitting portion fitted to a hole wall of the hole to be installed.

[0012] Optionally, the fixing portion is a frame-shaped structure, a curved panel structure or a strip-shaped structure.

[0013] Optionally, the support portion is in a columnar, plate-shaped or grid plate structure.

[0014] Optionally, the fitting portion is a conical panel structure, and the conical panel is provided with grid-shaped hollow holes.

[0015] Optionally, an internal thread is provided at the bottom of the through hole.

[0016] Optionally, sealant is applied between every two buffer members.

[0017] Optionally, a plurality of step portions for matching with the mounting pieces are provided in the through hole.

[0018] The beneficial effect of a self-clinching nut provided by the present application is that the utility model can absorb axial impact energy by setting a buffer component, reduce damage to the fastening part and the component to be installed, and improve the reliability and safety of the connection. The buffer component of the fastener of the utility model and the fit between the deformation zone and the component to be installed after subsequent installation can protect the fastening part and the component to be installed from damage, extend their service life, and reduce maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of a self-clinching nut of the utility model;

[0020] Figure 2 for Figure 1 A magnified image of A;

[0021] Figure 3 A three-dimensional view of a self-clinching nut of the utility model from another angle;

[0022] Figure 4 It is a schematic diagram of the installation of a self-clinching nut, a component to be installed and a mounting piece of the utility model;

[0023] Figure 5 It is a stereoscopic diagram of an embodiment of a rivet nut and a fixing part of the utility model.

[0024] Description of the markings in the figure:

[0025] 1. Head; 2. Fastening part; 21. Thread; 22. Buffer assembly; 23. Through hole; 221. Buffer; 221a. Fixing part; 221b. Support part; 221c. Fitting part; 231. Internal thread; 2a. Deformation zone; 2b. Marking line; 3. Part to be installed; 4. Installation part. DETAILED DESCRIPTION

[0026] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0027] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0028] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application 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, and therefore should not be understood as a limitation on the present application.

[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0030] like Figures 1 to 3 As shown, a self-clinching nut provided in an embodiment of the present application includes:

[0031] Head 1;

[0032] The fastening part 2 is integrally formed and connected to the lower part of the head 1 ; a plurality of vertically arranged threads 21 are provided at the upper end of the fastening part 2 ; a buffer component 22 is also provided at the upper end of the fastening part 2 .

[0033] The utility model provides a self-clinching nut. Compared with the prior art, the utility model is provided with a buffer component 22, which can effectively absorb axial impact and protect the fastening part 2 and the component to be installed 3 from damage.

[0034] In another embodiment of the present application, Figure 3 As shown, the fastening portion 2 is provided with a through hole 23 penetrating into the fastening portion 2 .

[0035] In another embodiment of the present application, Figure 1As shown, the buffer assembly 22 includes a plurality of circumferential buffer members 221 , and all buffer members 221 are circumferentially arranged at equal intervals at the junction of the upper end of the fastening portion 2 and the head 1 .

[0036] In another embodiment of the present application, Figure 2 As shown, each buffer member 221 includes a fixing portion 221a for fixing the fastening portion 2, a supporting portion 221b and a fitting portion 221c for fitting to the hole wall of the to-be-installed hole (ie, the hole opened on the to-be-installed component 3).

[0037] In another embodiment of the present application, the fixing portion 221a is a frame-shaped structure, an arc-shaped panel structure or a strip-shaped structure. Figure 2 As shown in the figure, the fixing portion 221a is an arc-shaped panel structure, and the arc-shaped panel structure makes the arc surface of the fixing portion 221a face the fitting portion 221c, so that the force from the fitting portion 221c avoids affecting the supporting portion 221b. Figure 5 As shown in the figure, the fixing part 221a is a frame-type structure, which can achieve the purpose of fixing on the fastening part 2 by reducing the material while having a certain bearing capacity and buffering axial energy.

[0038] In another embodiment of the present application, the support portion 221b is a columnar, plate-shaped or grid plate structure. Figure 2 As shown in , only the support portion 221b is disclosed to be a columnar structure, and the user can change the support portion 221b into any conventional structure such as a plate shape or a grid plate structure according to actual needs.

[0039] In another embodiment of the present application, the fitting portion 221c is a conical panel structure. The design of the conical panel structure can ensure that the two surfaces can be in close contact during the fitting process, reduce air gaps, and improve fitting accuracy. Preferably, the conical panel is provided with grid-shaped hollow holes, which can achieve the purpose of fitting and supporting the component 3 to be installed while reducing the weight of the fitting portion 221c.

[0040] In another embodiment of the present application, Figure 5 As shown, the bottom of the through hole 23 is provided with an internal thread 231. By providing the internal thread 231 in the through hole 23, the user allows the mounting member 4 (such as a special riveting tool, etc.) to rotate the internal thread 231, thereby deforming a part of the fastening portion 2 to form a deformation zone 2a that fits the inner wall of the component 3 to be installed. In addition, since a sealant is applied between each two buffer members 221, when the fastening portion 2 and the component 3 to be installed are fixed, the sealant will be formed and solidified, further playing a sealing role, and preventing the leakage of gas, liquid or other substances.

[0041] In another embodiment of the present application, Figure 3As shown, the fastening portion 2 is provided with a marking line 2b of the deformation zone 2a on the internal thread 231 .

[0042] In another embodiment of the present application, a plurality of step portions for matching with the mounting parts are provided in the through hole 23 .

[0043] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A self-clinching nut, characterized in that: include: head; The fastening part is integrally formed and connected to the lower part of the head; the upper end of the fastening part is provided with a plurality of vertically arranged threads; the upper end of the fastening part is also provided with a buffer component.

2. The self-clinching nut according to claim 1, characterized in that: The fastening portion is provided with a through hole penetrating into the fastening portion.

3. The self-clinching nut according to claim 1, characterized in that: The buffer assembly includes a plurality of circumferential buffer members, and all of the buffer members are circumferentially arranged at equal intervals at the junction of the upper end of the fastening portion and the head.

4. The self-clinching nut according to claim 3, characterized in that: Each of the buffer components comprises a fixing portion for fixing the fastening portion, a supporting portion and a fitting portion for fitting to a hole wall of the hole to be installed.

5. The self-clinching nut according to claim 4, characterized in that: The fixing portion is a frame-shaped structure, an arc-shaped panel structure or a strip-shaped structure.

6. The self-clinching nut according to claim 5, characterized in that: The support part is in a columnar, plate-shaped or grid plate structure.

7. The self-clinching nut according to claim 5, characterized in that: The fitting portion is a conical panel structure, and the conical panel is provided with grid-shaped hollow holes.

8. The self-clinching nut according to claim 2, characterized in that: The bottom of the through hole is provided with an internal thread.

9. The self-clinching nut according to claim 3, characterized in that: Sealant is applied between every two buffer members.

10. The self-clinching nut according to claim 2, characterized in that: A plurality of step portions matching the mounting parts are arranged in the through hole.

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