Stainless steel spot welding nut

Abstract

The utility model relates to a stainless steel spot welding nut, which belongs to the technical field of nuts and comprises a spot welding nut body, the spot welding nut body comprises a threaded groove, a threaded hole and a hexagonal body, the threaded hole is arranged at the center of the hexagonal body, the threaded groove is arranged on the inner wall of the threaded hole, and a clamping groove is arranged inside the hexagonal body and below the threaded groove. The inner wall of each clamping groove is fixedly connected with an elastic piece. The anti-falling device has the beneficial effects that when the anti-falling device is used, a worker can use the screw rod to sequentially penetrate through the threaded hole and the inner part of the anti-falling piece, and then the reverse threaded piece can be pushed to move towards the threaded groove under the elastic force action of the elastic piece and is always propped against the external thread of the screw rod, so that the anti-falling device is prevented from falling off. In this way, the friction coefficient between the reverse threaded part and the external thread can be increased, the shearing resistance opposite to that of the external thread can be formed, and therefore the problems that the spot welding nut is loosened and poor in stability due to external vibration can be solved.

Description

Technical Field

[0001] This utility model relates to the field of nut technology, and in particular to stainless steel spot-welded nuts. Background Technology

[0002] Stainless steel spot-welded nuts are nuts made by spot welding multiple stainless steel plates into a specific shape. Nuts, also known as bolts, are screwed together with screws to fasten. They are a necessary component in all manufacturing machinery. Depending on the material, they are divided into several types, such as carbon steel, stainless steel, and non-ferrous metals.

[0003] Traditional spot-welded nuts can become loose due to external vibrations during prolonged use, resulting in poor stability and safety hazards. They require regular manual inspection, which is time-consuming and labor-intensive. Utility Model Content

[0004] In view of the above-mentioned problems existing in the prior art, the main purpose of this utility model is to provide stainless steel spot welding nuts.

[0005] The technical solution of this utility model is as follows: a stainless steel spot welding nut, including a spot welding nut body, the spot welding nut body including a threaded groove, a threaded hole and a hexagonal body, the threaded hole being opened at the center of the hexagonal body, the threaded groove being disposed on the inner wall of the threaded hole, a retaining groove being opened inside the hexagonal body and below the threaded groove, an elastic element being fixedly connected to the inner wall of the retaining groove, and a reverse threaded element being fixedly connected to the side of the elastic element away from the hexagonal body.

[0006] By adopting the above technical solution, under the elastic force of the elastic element, the reverse threaded part can be pushed to move into the thread groove, and the reverse threaded part is always in contact with the external thread of the screw, thereby increasing the friction coefficient between the reverse threaded part and the external thread.

[0007] In a preferred embodiment, the bottom of the hexagonal body is provided with an abutment component, the abutment component including a spring disposed at the bottom of the hexagonal body, and a pressure ring fixedly connected to the bottom of the spring.

[0008] By adopting the above technical solution, the reaction force of the spring can push the pressure ring downward, thereby increasing the friction between the spot-welded nut body and the anti-detachment plate.

[0009] In a preferred embodiment, the bottom end of the hexagonal body is provided with a bottom groove of an annular structure, and the side of the spring away from the pressure ring is fixedly connected to the inner wall of the bottom groove.

[0010] By adopting the above technical solution, the bottom groove can be conveniently installed on the spot-welded nut body.

[0011] In a preferred embodiment, an anti-detachment plate is provided below the spot-welded nut body, and the anti-detachment plate abuts against the side of the hexagonal body that is close to it.

[0012] By adopting the above technical solution and setting the anti-loosening plate, an elastic force can be generated after tightening to offset part of the tightening force and prevent the spot-welded nut body from loosening due to vibration or external force.

[0013] In a preferred embodiment, a screw is inserted into the interior of the hexagonal body, and the reverse threaded parts all abut against the outer wall of the screw.

[0014] By adopting the above technical solution, its friction can be increased.

[0015] In a preferred embodiment, the spot-welded nut body is made of stainless steel, and the outer wall of the spot-welded nut body is coated with an anti-corrosion coating.

[0016] By adopting the above technical solution and setting the anti-corrosion coating, the overall anti-corrosion performance of the spot-welded nut body can be improved.

[0017] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0018] 1. In this utility model, during use, the operator can use the screw to pass through the threaded hole and the inside of the anti-loosening plate in sequence. Then, under the elastic force of the elastic element, the reverse threaded part can be pushed to move into the threaded groove, so that the reverse threaded part is always in contact with the external thread of the screw. This can increase the friction coefficient between the reverse threaded part and the external thread, and form a shear force opposite to that of the external thread, thereby reducing the problem of loosening and poor stability of the spot welded nut caused by external vibration.

[0019] 2. In this utility model, the reaction force of the spring can push the pressure ring to move downward, thereby increasing the friction between the spot welded nut body and the anti-detachment plate. This can prevent the spot welded nut body from falling off on its own due to external shaking. Furthermore, the anti-detachment plate can generate elasticity after tightening to offset part of the tightening force and prevent the spot welded nut body from loosening due to vibration or external force. Attached Figure Description

[0020] Figure 1 This utility model provides an overall perspective view of a stainless steel spot-welded nut;

[0021] Figure 2 A cross-sectional view of a stainless steel spot-welded nut is provided for this utility model;

[0022] Figure 3 An exploded view of a stainless steel spot-welded nut is provided for this utility model;

[0023] Figure 4 This utility model provides stainless steel spot-welded nuts. Figure 3 Enlarged view of point A in the middle.

[0024] Illustration: 1. Spot-welded nut body; 101. Threaded groove; 102. Threaded hole; 103. Hexagonal body; 2. Anti-detachment plate; 3. Spring; 4. Pressure ring; 5. Slot; 6. Bottom groove; 7. Elastic element; 8. Reverse threaded element. Detailed Implementation

[0025] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0026] Reference Figure 1-4 The stainless steel spot welding nut includes a spot welding nut body 1, which includes a threaded groove 101, a threaded hole 102, and a hexagonal body 103. The threaded hole 102 is located at the center of the hexagonal body 103. The threaded groove 101 is located on the inner wall of the threaded hole 102. A retaining groove 5 is provided inside the hexagonal body 103 and below the threaded groove 101. An elastic element 7 is fixedly connected to the inner wall of the retaining groove 5. A reverse threaded element 8 is fixedly connected to the side of the elastic element 7 away from the hexagonal body 103. When the spot welding nut body 1 is in use, the operator can use a screw to pass through the threaded hole 102 and the anti-loosening plate 2 in sequence. Then, under the elastic action of the elastic element 7, the reverse threaded element 8 can be pushed into the threaded groove 101, so that the reverse threaded element 8 always abuts against the external thread of the screw. This increases the friction coefficient between the reverse threaded element 8 and the external thread, and forms a shear force opposite to that of the external thread, thereby reducing the problem of loosening and poor stability of the spot welding nut caused by external vibration.

[0027] Specifically, the bottom of the hexagonal body 103 is provided with an abutment component, which includes a spring 3 located at the bottom of the hexagonal body 103. The reaction force of the spring 3 can push the pressure ring 4 downward, thereby increasing the friction between the spot welded nut body 1 and the anti-detachment piece 2, and preventing the spot welded nut body 1 from falling off on its own due to external shaking. The pressure ring 4 is fixedly connected to the bottom of the spring 3. The bottom end of the hexagonal body 103 has an annular groove 6, which facilitates the installation of the spring 3 and the pressure ring 4. On the spot welding nut body 1, the side of the spring 3 away from the pressure ring 4 is fixedly connected to the inner wall of the bottom groove 6. An anti-detachment plate 2 is provided below the spot welding nut body 1. The anti-detachment plate 2 can generate elastic force after tightening to offset part of the tightening force, prevent the spot welding nut body 1 from loosening due to vibration or external force, and fill the thread gap, thereby increasing the contact area between the screw and the spot welding nut body 1 and the workpiece surface, thereby reducing the pressure per unit area and preventing damage to parts due to excessive local pressure. The anti-detachment plate 2 abuts against the side of the hexagonal body 103 that is close to it.

[0028] Specifically, a screw is inserted inside the hexagonal body 103, and the reverse threaded parts 8 all abut against the outer wall of the screw, which can increase its friction. The spot welded nut body 1 is made of stainless steel, and the outer wall of the spot welded nut body 1 is coated with an anti-corrosion coating, which can improve the overall anti-corrosion performance of the spot welded nut body 1.

[0029] Working principle: First, when using the spot-welded nut body 1, the operator can use a screw to pass through the threaded hole 102 and the anti-loosening plate 2 in sequence. Then, under the elastic action of the elastic element 7, the reverse threaded part 8 can be pushed into the threaded groove 101, so that the reverse threaded part 8 is always in contact with the external thread of the screw. This increases the friction coefficient between the reverse threaded part 8 and the external thread, and can form a shear force opposite to that of the external thread. This can reduce the problem of loosening and poor stability of the spot-welded nut caused by external vibration. And through the spring 3 The reaction force can push the pressure ring 4 downward, thereby increasing the friction between the spot weld nut body 1 and the anti-detachment plate 2. This can prevent the spot weld nut body 1 from falling off on its own due to external shaking. The anti-detachment plate 2 can generate elasticity after tightening, offsetting part of the tightening force and preventing the spot weld nut body 1 from loosening due to vibration or external force. It can also fill the thread gap, increasing the contact area between the screw and the spot weld nut body 1 and the workpiece surface, thereby reducing the pressure per unit area and preventing damage to parts due to excessive local pressure.

[0030] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0031] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A stainless steel clinch nut comprising a clinch nut body (1), characterised in that: The spot welding nut body (1) comprises a thread groove (101), a thread hole (102) and a hexagonal body (103), the thread hole (102) is arranged at the center of the hexagonal body (103), the thread groove (101) is arranged on the inner wall of the thread hole (102), the inside of the hexagonal body (103) and below the thread groove (101) is provided with a clamping groove (5), the inner wall of the clamping groove (5) is fixedly connected with an elastic element (7), and the side, away from the hexagonal body (103), of the elastic element (7) is fixedly connected with a reverse screw part (8).

2. The stainless steel nut for spot welding according to claim 1, characterized by: The bottom of the hexagonal body (103) is provided with a resisting assembly, the resisting assembly comprises a spring (3) arranged at the bottom of the hexagonal body (103), and the bottom of the spring (3) is fixedly connected with a pressing ring (4).

3. The stainless steel nut for spot welding according to claim 2, characterized by: The bottom end of the hexagonal body (103) is provided with a bottom groove (6) with an annular structure, and the side, away from the pressing ring (4), of the spring (3) is fixedly connected with the inner wall of the bottom groove (6).

4. The stainless steel nut for spot welding according to claim 1, characterized by: The bottom of the spot welding nut body (1) is provided with an anti-dropping sheet (2), and the side, close to the hexagonal body (103), of the anti-dropping sheet (2) abuts against the hexagonal body (103).

5. The stainless steel nut for spot welding according to claim 1, characterized by: The inside of the hexagonal body (103) is inserted with a screw rod, and the reverse screw part (8) abuts against the outer wall of the screw rod.

6. The stainless steel nut for spot welding according to claim 1, characterized by: The spot welding nut body (1) is made of stainless steel components, and the outer wall of the spot welding nut body (1) is coated with an anti-corrosion coating.

Images