Super-thick base material fastening and sealing structure

Abstract

The utility model discloses an ultra-thick base material fastening and sealing structure which comprises a first connecting plate and a second connecting plate, a bowl-shaped groove is formed in one side of the second connecting plate, a bowl-shaped gasket is arranged in the bowl-shaped groove, and the first connecting plate, the bowl-shaped gasket and the second connecting plate are fixedly connected through rivet nuts. According to the bowl-shaped gasket, the height difference is formed through the bowl-shaped structure, and the pull riveting distance can be reduced when the bowl-shaped gasket is applied to the super-thick base material, so that a pull riveting nut sold in the market can be used, the pull riveting nut does not need to be specially customized, and the equipment cost is reduced.

Description

Technical Field

[0001] This utility model relates to the field of sheet metal processing technology, specifically to a fastening and sealing structure for ultra-thick substrates. Background Technology

[0002] In the design and use of sheet metal parts, rivet nuts are a very common type of hardware for connection and fixation; however, the base material thickness of commercially available rivet nuts is generally around 2 to 3 mm, with the thickest being 6 mm. In some cases where the base material is too thick, it is not possible to find a suitable rivet nut, making it inconvenient to tighten and seal the ultra-thick base material. Utility Model Content

[0003] The purpose of this invention is to provide a fastening and sealing structure for ultra-thick substrates to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention provides the following technical solution: an ultra-thick substrate fastening and sealing structure, comprising a connecting plate one and a connecting plate two, wherein a bowl-shaped groove is cut on one side of the connecting plate two, and a bowl-shaped gasket is provided in the bowl-shaped groove, and the connecting plate one, the bowl-shaped gasket and the connecting plate two are fixedly connected by rivet nuts.

[0005] Preferably, the thickness of the first connecting plate is 2mm, the thickness of the second connecting plate is 4mm, and the thickness of the bowl-shaped gasket is 2mm.

[0006] Preferably, the depth of the bowl-shaped groove is 3mm.

[0007] Preferably, the first connecting plate, the bowl-shaped gasket, and the second connecting plate are all provided with round holes, and the rivet nut is installed in the round hole.

[0008] Compared with the prior art, the beneficial effects of this utility model are:

[0009] By designing a bowl-shaped gasket, which creates a height difference through its bowl-shaped structure, the riveting distance can be reduced when applied to ultra-thick substrates. This allows the use of commercially available rivet nuts without the need for specially customized rivet nuts, thus reducing equipment costs. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the structure of this utility model.

[0011] In the diagram: 1. Connecting plate one; 2. Cup-shaped washer; 3. Connecting plate two; 4. Rivet nut. Detailed Implementation

[0012] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0013] Please see Figure 1 This utility model provides a technical solution: an ultra-thick substrate fastening and sealing structure, including a connecting plate 1 and a connecting plate 3. One side of the connecting plate 3 has a bowl-shaped groove, and a bowl-shaped gasket 2 is provided in the bowl-shaped groove. The connecting plate 1, the bowl-shaped gasket 2 and the connecting plate 3 are fixedly connected by rivet nuts 4.

[0014] In this utility model, the thickness of connecting plate 1 is 2mm, the thickness of connecting plate 3 is 4mm, and the thickness of bowl-shaped gasket 2 is 2mm.

[0015] In this invention, the depth of the bowl-shaped groove is 3mm, which makes it easy to put the bowl-shaped gasket 2 into the bowl-shaped groove, so that the total thickness of the connecting plate 2 3 and the bowl-shaped gasket 2 is 3mm.

[0016] In this utility model, the connecting plate 1, the bowl-shaped gasket 2, and the connecting plate 3 are all provided with round holes, and the rivet nut is installed in the round hole to facilitate the installation of the rivet nut.

[0017] The working principle of this utility model is as follows: Under normal circumstances, connecting plate 1 and connecting plate 3 are fixed by rivet nut 4. However, since the total thickness of connecting plate 1 (T=2mm) and connecting plate 3 (T=4mm) is 6mm, which exceeds the maximum wall thickness of rivet nut 4, a cup-shaped washer 2 is developed. At this time, connecting plate 1 (T=2mm), plus cup-shaped washer 2 and connecting plate 3, are fixed by rivet nut 4, and the total thickness of the plate is 5mm, which meets the maximum wall thickness range of rivet nut.

[0018] The contents not described in detail in this specification are prior art known to those skilled in the art. Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fastening and sealing structure for ultra-thick substrates, characterized in that: It includes a first connecting plate (1) and a second connecting plate (3). The second connecting plate (3) has a bowl-shaped groove on one side, and a bowl-shaped gasket (2) is provided in the bowl-shaped groove. The first connecting plate (1), the bowl-shaped gasket (2) and the second connecting plate (3) are fixedly connected by a rivet nut (4).

2. The ultra-thick substrate fastening and sealing structure according to claim 1, characterized in that: The thickness of the first connecting plate (1) is 2mm, the thickness of the second connecting plate (3) is 4mm, and the thickness of the bowl-shaped gasket (2) is 2mm.

3. The ultra-thick substrate fastening and sealing structure according to claim 1, characterized in that: The depth of the bowl-shaped groove is 3mm.

4. The ultra-thick substrate fastening and sealing structure according to claim 1, characterized in that: The connecting plate one (1), the bowl-shaped gasket (2) and the connecting plate two (3) are all provided with round holes, and the rivet nut is installed in the round hole.

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