Integrated anti-loosening self-locking double-pad nut

Abstract

The utility model provides an integrated anti-loose self-locking double-pad nut, which is used for fastening, the self-locking double-pad nut comprises a hexagonal self-locking nut, a flat gasket and an elastic conical gasket used for elastically fixing the flat gasket, the hexagonal self-locking nut comprises a nut body and a riveting wall, the riveting wall is arranged in a middle through hole of the elastic cone gasket and a middle through hole of the flat gasket, and the riveting wall is connected with the flat gasket in a riveting mode; the elastic cone gasket is used for elastically and fixedly connecting the hexagonal self-locking nut, the elastic cone gasket and the flat gasket; and the diameter of the elastic conical gasket is smaller than that of the flat gasket. The assembly efficiency is improved, the structure is reliable, safety is achieved, looseness is avoided, and the market competitiveness of enterprises is improved.

Description

Technical Field

[0001] This utility model relates to the field of anti-loosening fastener technology, specifically to an integrated anti-loosening self-locking double-wasp nut for photovoltaic connecting components. Background Technology

[0002] As my country plays a crucial role in the global energy transition, photovoltaic (PV) power generation, as an important component of clean energy, enjoys a promising future and enormous potential, especially given my country's status as the world's largest PV market and producer. Driven by global energy transition demands, PV stands as one of the lowest-cost renewable energy sources under the global carbon neutrality goal. With China's proposed "dual carbon" goals (peak carbon by 2030 and carbon neutrality by 2060), PV is poised to become a primary energy source. As PV technology advances and costs decrease, its applications will diversify, with integrated PV and energy storage becoming a trend. Surging electricity demand in emerging markets, including internationally, provides ample room for growth in the domestic PV industry. Driven by national strategies, the PV industry is a core driver for achieving energy security, green transformation, and technological innovation, gradually shifting from a supplementary energy source to a primary one. Technological iteration, application innovation, and globalization will inject long-term growth momentum into PV projects. With the development of new energy sources, PV and its energy storage projects will enter a golden age of rapid development. Therefore, the stability and safety of PV connection devices are paramount. The stability of these connectors ensures the stability of the connection circuit resistance, thus placing higher demands on PV connectors.

[0003] In existing conventional single-waist nut structures, after a period of use, the internal forces of the parts cause the nut to loosen, increasing the resistance of the connection circuit and affecting the power transmission performance. If the resistance is too high, the circuit may melt. In addition, under high-frequency, high-amplitude vibration or impact environments, threaded fasteners often rotate in the loosening direction, causing the fastened object to loosen and shift, resulting in fastening failure.

[0004] Therefore, there is room for improvement in the existing technology of fastening nuts. Utility Model Content

[0005] The purpose of this invention is to provide a high-efficiency, stable, and reliable integrated anti-loosening self-locking double-wasp nut to solve the problems of the prior art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A one-piece anti-loosening self-locking double-washer nut is provided for fastening. The self-locking double-washer nut comprises a hexagonal self-locking nut, a flat washer, and an elastic conical washer for elastically fixing the flat washer. The hexagonal self-locking nut includes a nut body and a riveting wall. The riveting wall is disposed in a through hole in the middle of the elastic conical washer and the flat washer, and the riveting wall rivets the flat washer to the flat washer. The elastic conical washer is used to elastically and securely connect the hexagonal self-locking nut, the elastic conical washer, and the flat washer. The diameter of the elastic conical washer is smaller than the diameter of the flat washer.

[0008] Preferably, the inner edge of the through hole in the flat gasket includes a stepped portion, and the opening end of the riveting wall is located in the stepped portion.

[0009] Preferably, the nut body and the riveting wall are integrally formed.

[0010] The purpose of this application is to design a system in which an elastic cone washer with an elastic center supports the hexagonal self-locking nut body and a flat washer in the connection of the riveting wall, so as to prevent loosening when assembling with the opposite part, prevent rotation and slippage during assembly, improve assembly efficiency, ensure structural reliability, achieve safe connection, and enhance the company's market competitiveness.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] First, this application effectively solves the problem of loosening after assembly of a single gasket, and prevents problems such as gasket rotation and increased resistance after connection loosening;

[0013] Secondly, this application improves assembly efficiency, ensures reliable structure, and guarantees safety and prevents loosening, thereby enhancing the company's market competitiveness.

[0014] Of course, implementing any specific embodiment of this utility model may not necessarily achieve all of the above technical effects at the same time. Attached Figure Description

[0015] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0016] Figure 1 This is a schematic diagram showing the appearance and partial cross-section of the self-locking double washer nut of this application;

[0017] Figure 2 This is a schematic diagram showing the appearance and partial cross-section of the hexagonal self-locking nut of this application;

[0018] Figure 3 This is a schematic diagram of the elastic cone gasket of this application;

[0019] Figure 4 for Figure 1A left-view diagram;

[0020] Figure 5 This is a schematic diagram of the flat gasket used in this application. Detailed Implementation

[0021] The present invention will now be described in detail with reference to specific embodiments. These embodiments will help those skilled in the art to further understand the present invention, but do not limit the present invention in any way. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention. These all fall within the protection scope of the present invention.

[0022] Please refer to Figure 1 This application presents an integrated anti-loosening self-locking double-waist nut, which is a photovoltaic connection component. With the expansion of the domestic photovoltaic market and the diversification of application scenarios, in order to better cope with the ever-changing market scenarios, there must be newer, more comprehensive, safer, and non-loosening fastening connection products to create a better and safer user experience for consumers.

[0023] Please refer to Figure 1 and Figure 3 The integrated anti-loosening self-locking double washer nut of this application is used for fastening. The self-locking double washer nut includes a hexagonal self-locking nut 10, a flat washer 30, and an elastic conical washer 20 for elastically fixing the flat washer 30. The elastic conical washer 20 is a concave circular plate with a low center and a circumferential slope. It has elasticity when compressed. Therefore, after the hexagonal self-locking nut 10, the elastic conical washer 20, and the flat washer 30 are assembled in sequence, the elastic conical washer 20 elastically compresses the flat washer 30 to fix the flat washer 30. That is, the elastic conical washer elastically fixes the hexagonal self-locking nut, the elastic conical washer, and the flat washer into a whole.

[0024] Please refer to Figure 1 and Figure 2 The hexagonal self-locking nut 10 includes a nut body 11 and a riveting wall 12, which are integrally formed. The thickness of the riveting wall 12 is small, which is suitable for bending during riveting. The riveting wall 12 is disposed in the middle through hole of the elastic cone washer 20 and the flat washer 30. The riveting wall 12 is riveted to the flat washer 30. After riveting, the riveting wall 12 presses the flat washer 30 against the elastic cone washer 20 and causes the elastic cone washer 20 to generate elastic force, which elastically connects and fixes the hexagonal self-locking nut 10, the elastic cone washer 20 and the flat washer 30 into a whole. At this time, the flat washer 30 does not loosen, does not rotate or slip during assembly, and improves assembly efficiency.

[0025] Please refer to Figure 4for Figure 1 As shown in the left-side view, the diameter of the elastic cone gasket 20 is smaller than the diameter of the flat gasket 30. With this design, the radial outer periphery of the elastic cone gasket 20 can be smoothly pressed onto the flat gasket 30, and the flat gasket 30 will not deviate or loosen.

[0026] Please refer to Figure 5 This application presents a schematic diagram of a flat gasket. The inner edge of the through hole in the flat gasket 30 includes a stepped portion 31, and the opening end of the riveting wall 12 is located within the stepped portion 31. Figure 1 In this design, the stepped portion 31 conceals the opening end of the riveting wall 12, so that the opening end of the riveting wall 12 does not protrude from the flat washer 30 after riveting. Therefore, the stepped portion 31 is located on the side facing the opponent, and the riveting wall 12 will not damage the opponent during the locking process.

[0027] The hexagonal self-locking nut 10 described in this application can be used in various sizes, such as 8mm, 10mm, 13mm, and 15mm across sides, corresponding to riveting wall 12 diameters of 6.25mm-6.4mm, 7.5mm-7.7mm, 9.4mm-9.7mm, and 11.6mm-11.8mm; please refer to... Figure 3 and Figure 5 Corresponding to the four types of hexagonal self-locking nuts 10 described above, Figure 3 and Figure 5 The dimensions in the image are as follows:

[0028] 1. When the hexagonal self-locking nut 10 has a face width of 8mm, the corresponding inner diameter A of the elastic conical washer 20 is 6.7mm-6.9mm, the diameter B is 12.7mm-13.0mm, and the thickness C is 0.7mm-0.9mm; the inner diameter D of the flat washer 30 is...

[0029] The inner diameter E of the stepped portion 31 is 7.6mm-7.9mm, the diameter F of the flat gasket 30 is 13.7mm-14.0mm, and the thickness G of the flat gasket 30 is 2.1mm-2.5mm.

[0030] 2. The hexagonal self-locking nut 10 has a side length of 10mm, corresponding to the inner diameter A of the elastic conical washer 20 being 8.0mm-8.2mm, the diameter B being 14.6mm-15.0mm, and the thickness C being 1.0mm-1.2mm; the inner diameter D of the flat washer 30 is 8.0mm-8.2mm, the inner diameter E of the stepped portion 31 is 8.9mm-9.2mm, the diameter F of the flat washer 30 is 15.6mm-16.0mm, and the thickness G of the flat washer 30 is...

[0031] 2.1mm-2.5mm;

[0032] 3. The hexagonal self-locking nut 10 has a side length of 13mm, corresponding to an inner diameter A of 9.9mm-10.1mm, a diameter B of 18.6mm-19.0mm, and a thickness C of 1.4mm-1.6mm for the elastic conical washer 20; the inner diameter D of the flat washer 30 is...

[0033] 9.9mm-10.1mm; the inner diameter E of the stepped portion 31 is 10.8mm-11.1mm, the diameter F of the flat gasket 30 is 19.6mm-20.0mm, and the thickness G of the flat gasket 30 is 2.1mm-2.5mm;

[0034] 4. The hexagonal self-locking nut 10 has a side length of 15mm, corresponding to an inner diameter A of 12.1mm-12.3mm, a diameter B of 22.6mm-23.0mm, and a thickness C of 1.7mm-1.9mm for the elastic conical washer 20; the inner diameter D of the flat washer 30 is...

[0035] The inner diameter E of the stepped portion 31 is 13.7mm-14.0mm, the diameter F of the flat gasket 30 is 23.6mm-24.0mm, and the thickness G of the flat gasket 30 is 2.3mm-2.7mm.

[0036] The dimensions described above are merely preferred embodiments of this application. Those skilled in the art can design other dimensions to achieve the same anti-loosening effect through reasonable combinations, and all such designs should fall within the scope of protection of this application. Compared to single-wasp combination nuts, this highly efficient integrated anti-loosening self-locking double-wasp nut of this application adds two washer slots with different structural shapes below the hexagonal self-locking nut 10 assembly. When fixing the circuit cable plug connection, the flat washer 30 can contact the component through its larger contact surface. The elastic conical washer 20 between the hexagonal self-locking nut 10 and the flat washer 30 provides stable support between the hexagonal self-locking nut 10 and the flat washer 30 through the elasticity of the conical washer, thus achieving a fixing and anti-loosening effect. This integrated anti-loosening locking double-wasp nut is suitable for both manual assembly and automated mechanical assembly.

[0037] Compared with the prior art, the present invention has the following beneficial effects:

[0038] First, this application effectively solves the problem of loosening after assembly of a single gasket, and prevents problems such as gasket rotation and increased resistance after connection loosening;

[0039] Secondly, this application improves assembly efficiency, ensures reliable structure, and guarantees safety and prevents loosening, thereby enhancing the company's market competitiveness.

[0040] Of course, any specific embodiment of the present invention may not necessarily have all of the above technical effects at the same time.

[0041] The above-disclosed embodiments are merely preferred embodiments of the present utility model, but are not intended to limit the scope thereof. Any equivalent changes and modifications made by those skilled in the art without departing from the spirit and essence of the present utility model shall fall within the protection scope of the present utility model.

Claims

1. An integrated anti-loosening self-locking double-washer nut, used for fastening, characterized in that, The self-locking double-washer nut includes a hexagonal self-locking nut, a flat washer, and an elastic conical washer for elastically fixing the flat washer. The hexagonal self-locking nut includes a nut body and a riveting wall. The riveting wall is disposed in the middle through hole of the elastic conical washer and the flat washer. The riveting wall is riveted to the flat washer. The elastic conical washer is used to elastically fix the hexagonal self-locking nut, the elastic conical washer, and the flat washer. The diameter of the elastic conical washer is smaller than the diameter of the flat washer.

2. The integrated anti-loosening self-locking double-washer nut according to claim 1, characterized in that, The inner edge of the through hole in the flat gasket includes a stepped portion, and the opening end of the riveting wall is located in the stepped portion.

3. The integrated anti-loosening self-locking double-washer nut according to claim 2, characterized in that, The nut body and the riveting wall are integrally formed.

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