Pressing rivet bolt capable of being installed through rivet pulling technology

Abstract

The utility model relates to the technical field of fasteners, in particular to a pressing rivet bolt capable of being installed through a pull riveting technology, which comprises a pressing rivet bolt body, a bolt head, an arc-shaped boss and an inverted cone boss, the bolt head is fixedly connected with the pressing rivet bolt body and located at the upper end of the pressing rivet bolt body, the arc-shaped boss is fixedly connected with the bolt head, and the inverted cone boss is located at the lower end of the pressing rivet bolt body. The back taper boss is fixedly connected with the arc-shaped boss, the outer side of the arc-shaped boss is provided with a plurality of rectangular scroll type flower teeth, the arc-shaped boss is provided with a plurality of trapezoid grooves, and the trapezoid grooves correspond to the rectangular scroll type flower teeth respectively. Therefore, the riveting structure is more stable after being riveted, has better torsion resistance and anti-thrust performance, is not influenced by mounting conditions, can be used for various materials such as steel plates, aluminum plates and alloys, and is low in production cost and convenient and fast to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to fastener technical field especially relates to a kind of press rivet bolt that can be installed with pull rivet technology. BACKGROUND

[0002] As an important component in connecting piece, bolt is widely used in many fields such as civil, commercial and military, especially in automobile, aviation and other large machinery.

[0003] In automobile manufacturing industry, if the hand piece is nut, and bolt needs to be tightened, in order to prevent bolt from rotating, straight toothed press rivet bolt is usually used, by pressing straight tooth into the preset hole of sheet metal, the hole diameter of preset hole is slightly smaller than the straight tooth of press rivet bolt, under the action of pressure, the straight tooth of press rivet bolt is extruded into the plate, so that the periphery of preset hole produces plastic deformation, and the deformation is extruded into guide groove, so as to produce locking effect.

[0004] But in the above prior art, straight toothed press rivet bolt can only be used for sheet metal above 1mm, the applicability is low, and the stability after riveting is poor, resulting in low reliability and durability. CONTENT OF UTILITY MODEL

[0005] The utility model aims at providing a kind of press rivet bolt that can be installed with pull rivet technology, to solve the technical problem in prior art, straight toothed press rivet bolt can only be used for sheet metal above 1mm, the applicability is low, and the stability after riveting is poor, resulting in low reliability and durability.

[0006] To achieve the above purpose, the utility model adopts a kind of press rivet bolt that can be installed with pull rivet technology, including press rivet bolt body, bolt head, arc boss and inverted taper boss, the bolt head is fixedly connected with the press rivet bolt body, and located at the upper end of the press rivet bolt body, the arc boss is fixedly connected with the bolt head, and located at the bottom surface of the bolt head, the inverted taper boss is fixedly connected with the arc boss, and located at the bottom surface of the arc boss, the outer side of the arc boss has a plurality of rectangular strip pattern teeth, the arc boss has a plurality of ladder grooves, and a plurality of the ladder grooves correspond to a plurality of the rectangular strip pattern teeth respectively.

[0007] Among them, the outer side of the inverted taper boss has first slope.

[0008] Among them, the first slope is inclined to the outer side of the press rivet bolt body.

[0009] Among them, the inverted taper boss is gradually thinned from bottom to top direction.

[0010] Among them, the inside of each ladder groove is provided with second slope.

[0011] The outer side of the press rivet bolt body is provided with an external thread.

[0012] The utility model discloses a press rivet bolt can install by the pull rivet technology, when using specifically, the press rivet bolt body passes the preset hole position on the sheet metal, then extrudes the bolt head, and the bolt head is pressed to the sheet metal, or the press rivet bolt body is pulled by the pull rivet technology, so that the bolt head is pulled to the sheet metal, so that the arc boss is pressed into the preset hole position on the sheet metal, can effectively prevent the bolt rotation, increase product performance, and the arc boss can make the sheet metal material push into the bottom of the inverted taper boss, thereby providing the anti -push -out performance, more sheet metal material can be accommodated through the ladder -type groove, and a ladder step is formed on the sheet metal after riveting, thereby improving the torsional performance, through the rectangular banner formula flower tooth and the ladder -type groove cooperation, can more easily stab into the sheet metal, reduces the installation force, and more sheet metal material can be accommodated, greatly improves the anti -push -out performance, by this method, the problem that the press rivet bolt with straight flower tooth in the prior art can only be used for the sheet metal of 1mm or more, the applicability is lower, and the stability is poor after riveting, resulting in low reliability and durability can be effectively solved. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will be to the drawings needed to be used in the embodiment or prior art description simple introduction, obviously, the drawings in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.

[0014] Figure 1 It is the structural schematic diagram of the utility model.

[0015] Figure 2 It is the bottom view of the utility model.

[0016] Figure 3 It is the sectional view of the utility model.

[0017] Figure 4 It is the half sectional view of the utility model.

[0018] 101-press rivet bolt body, 102-bolt head, 103-arc boss, 104-ladder -type groove, 105-rectangular banner formula flower tooth, 106-inverted taper boss, 107-first inclined plane, 108-second inclined plane, 109-external thread. DETAILED DESCRIPTION

[0019] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, and the embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0020] Please refer to Figures 1-4 , wherein Figure 1 is a structural schematic diagram of the present application, Figure 2 is a bottom view of the present application, Figure 3 is a sectional view of the present application, Figure 4 is a half sectional view of the present application.

[0021] The present application provides a press rivet bolt which can be installed by pull riveting process, comprising a press rivet bolt body 101, a bolt head 102, an arc-shaped boss 103 and an inverted taper boss 106, the bolt head 102 is fixedly connected with the press rivet bolt body 101 and located at the upper end of the press rivet bolt body 101, the arc-shaped boss 103 is fixedly connected with the bolt head 102 and located at the bottom surface of the bolt head 102, the inverted taper boss 106 is fixedly connected with the arc-shaped boss 103 and located at the bottom surface of the arc-shaped boss 103, the outer side of the arc-shaped boss 103 has a plurality of rectangular banner type flower teeth 105, the arc-shaped boss 103 has a plurality of ladder-shaped grooves 104, and the plurality of ladder-shaped grooves 104 correspond to the plurality of rectangular banner type flower teeth 105 respectively.

[0022] In the embodiment, the press rivet bolt body 101 is passed through the preset hole position on the sheet metal, then the bolt head 102 is extruded, the bolt head 102 is applied with the pressure to the sheet metal, or the press rivet bolt body 101 is pulled by the pull riveting process, so that the bolt head 102 is applied with the pulling force to the sheet metal, thereby the arc-shaped boss 103 is pressed into the preset hole position on the sheet metal, the bolt rotation can be effectively prevented, the product performance is increased, meanwhile, the arc-shaped boss 103 can push the sheet metal material into the bottom of the inverted taper boss 106, thereby the anti-pushing-out performance is provided, more sheet metal materials can be accommodated through the ladder-shaped grooves 104, and a ladder-shaped step is formed on the sheet metal after riveting, thereby the torsion resistance is improved, the rectangular banner type flower teeth 105 and the ladder-shaped grooves 104 can be more easily inserted into the sheet metal, the installation force is reduced, meanwhile, more sheet metal materials can be accommodated, and the anti-pushing-out performance is greatly improved.

[0023] Further, the outer side of the inverted taper boss 106 has a first inclined surface 107.

[0024] In the embodiment, the first inclined surface 107 makes the inverted taper boss 106 form an inverted taper region, thereby more sheet metal materials are accommodated, the anti-pushing-out performance is enhanced, and the sheet metal material can flow to the root of the inverted taper boss 106 better.

[0025] Further, the first inclined surface 107 is inclined to the outside of the press-in bolt body 101.

[0026] In the embodiment, the inverted cone boss 106 is formed into an inverted cone region by the first inclined surface 107.

[0027] Further, the inverted cone boss 106 is gradually thinned from the bottom to the top.

[0028] In the embodiment, more sheet metal material is accommodated, thereby enhancing the anti-ejection performance and enabling the sheet metal material to flow better to the root of the inverted cone boss 106.

[0029] Further, the second inclined surface 108 is arranged inside each of the ladder-shaped grooves 104.

[0030] In the embodiment, the ladder-shaped groove 104 can accommodate more sheet metal material and form a ladder-shaped step on the riveted sheet metal, thereby enhancing the torsion resistance, by the second inclined surface 108.

[0031] Further, the outer side of the press-in bolt body 101 is provided with an external thread 109.

[0032] In the embodiment, the external thread 109 is used to install and fix the riveted bolt with a tool nut.

[0033] The utility model discloses the press-in bolt body 101 passes through the prearranged hole position on the sheet metal, then extrudes the bolt head 102, and the bolt head 102 is pressed to the sheet metal, or the press-in bolt body 101 is pulled and is pulled, thereby the bolt head 102 is pulled to the sheet metal, thereby the arc boss 103 is pressed into the prearranged hole position on the sheet metal, can effectively prevent the bolt rotation, increase product performance, and the arc boss 103 can make the sheet metal material push into the bottom of the inverted cone boss 106, thereby provide anti-ejection performance, more sheet metal material can be accommodated by the ladder-shaped groove 104, and a ladder-shaped step is formed on the sheet metal after riveting, thereby enhancing the torsion resistance, the rectangular strip banner type flower tooth 105 is combined with the ladder-shaped groove 104, can be more easily pierced into the sheet metal, reduces the installation force, and more sheet metal material can be accommodated, greatly enhances the anti-ejection performance, and the method can effectively solve the problem that the press-in bolt with straight flower tooth in the prior art can only be used for the sheet metal of more than 1mm, the applicability is lower, and the riveting stability is poor, thereby leading to low reliability and durability.

[0034] The above disclosed is only a preferred embodiment of the utility model, of course, cannot with this to limit the utility model right scope, the person skilled in the art can understand that the whole or part processes of the above embodiment are realized, and the equivalent change made according to the utility model claim still belongs to the range covered by the utility model.

Claims

1. A press-fit bolt that can be installed using a rivet process, characterized in that, The device includes a press-fit bolt body, a bolt head, an arc-shaped boss, and an inverted conical boss. The bolt head is fixedly connected to the press-fit bolt body and is located at the upper end of the press-fit bolt body. The arc-shaped boss is fixedly connected to the bolt head and is located at the bottom surface of the bolt head. The inverted conical boss is fixedly connected to the arc-shaped boss and is located at the bottom surface of the arc-shaped boss. The outer side of the arc-shaped boss has multiple rectangular stripe-like teeth, and the arc-shaped boss has multiple trapezoidal grooves, each of which corresponds to a multiple rectangular stripe-like teeth.

2. The press-fit bolt that can be installed using a riveting process as described in claim 1, characterized in that, The outer side of the inverted conical boss has a first inclined surface.

3. The press-fit bolt that can be installed using a rivet process as described in claim 2, characterized in that, The first inclined surface is inclined to the outside of the rivet bolt body.

4. The press-fit bolt that can be installed using a rivet process as described in claim 3, characterized in that, The inverted conical boss gradually thins from the bottom to the top.

5. The press-fit bolt that can be installed using a rivet process as described in claim 4, characterized in that, Each of the trapezoidal slots has a second inclined surface inside.

6. The press-fit bolt that can be installed using a rivet process as described in claim 5, characterized in that, The outer side of the rivet bolt body is provided with external threads.

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