Welding nut and connecting structure

Abstract

The utility model discloses a welding nut and a connecting structure, the welding nut comprises a nut body and a welding block arranged on the nut body, a screw hole of the nut body is arranged at one end of the nut body, the welding block is arranged at the other end of the nut body, and a concave part is arranged on the surface, opposite to the nut body, of the welding block. According to the welding nut, the concave part can effectively gather the welding flux, so that the welding flux can gather towards the center along the concave part in the welding process, a large contact area is formed, it is ensured that the welding flux can fully cover and fill a gap between the welding nut and the metal part in the welding process, and the welding nut and the metal part can be flatly attached; when pressing operation is carried out on the concave part, the welding flux can be effectively prevented from flowing towards the periphery, and therefore the problem that the welding flux overflows is effectively avoided. In this way, neatness and attractiveness in the welding process are guaranteed, unnecessary welding flux waste and cleaning work are avoided, and the welding efficiency and quality are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding technical field especially a kind of welding nut and connecting structure. BACKGROUND

[0002] Welding nut is a kind of fastener for firmly connecting two metal components together by welding method, and the nut has a threaded structure inside, which can be tightly matched with bolt to realize firm connection. The working principle of welding nut is based on high-temperature welding technology. In the welding process, the surface of metal component is melted by high temperature, so that the welding surface of welding nut and metal component can be fully mixed and cooled and solidified, thereby fusing two separated components into a whole. This welding method is not only firm and reliable, but also can withstand large load and vibration.

[0003] In actual application, when welding nut is welded to metal component, it is necessary to ensure that the welding surface of welding nut and metal component can be fully melted and combined. In order to improve the welding effect, the welding nut on the market is usually designed with welding boss on the end face of the nut. These bosses are melted during welding, thereby realizing firm welding between the nut body and the metal component. However, due to the existence of the boss, positioning difficulty problem may occur during welding. In addition, solder may overflow during welding, which not only affects the appearance of finished product, but also increases the subsequent cleaning workload, thereby reducing the overall production efficiency. SUMMARY

[0004] The technical problem to be solved by the utility model is to solve at least one of the above technical problems.

[0005] The solution to solve the technical problem of the utility model is a welding nut, which comprises a nut body and a welding block arranged on the nut body. The screw hole of the nut body is arranged at one end of the nut body, and the welding block is arranged at the other end of the nut body. A recess is arranged on the surface of the welding block facing away from the nut body.

[0006] The welding nut of the utility model has the following beneficial effects: the recess can effectively collect solder, so that the solder can be gathered to the center along the recess during welding, forming a larger contact area, ensuring that the solder can fully cover and fill the gap between the welding nut and the metal component during welding, so that the welding nut and the metal component can be flatly attached. Secondly, the recess can effectively prevent solder from flowing outward during pressing operation, thereby effectively avoiding the problem of solder overflow. This not only ensures the neatness and beauty of the welding process, but also avoids unnecessary solder waste and cleaning work, improves the welding efficiency and quality.

[0007] As a further improvement of the above technical solution, the recess is arranged at the middle of the surface of the solder block facing away from the nut body, and the width of the recess gradually increases from the bottom of the recess to the top of the recess.

[0008] As a further improvement of the above technical solution, the width of the recess gradually increases from the bottom of the recess to the top of the recess, which can effectively guide the solder to gradually gather at the center position along the depth direction of the recess, thereby improving the gathering efficiency and speed of the solder. Since the depth of the recess gradually increases, the solder will flow along the depth direction of the recess under the action of gravity and eventually converge at the center position, which helps to uniformly distribute the solder and enables the solder to form a larger contact area during welding, thereby increasing the strength and stability of the welding point and making the welding process more secure and reliable.

[0009] As a further improvement of the above technical solution, the center of the recess is provided with a solder tip, and the solder tip protrudes out of the recess.

[0010] As a further improvement of the above technical solution, the solder tip at the center position plays a role in facilitating positioning during welding, thereby improving the convenience and accuracy of welding. By placing the solder tip at the center of the welding area, heat can be uniformly distributed to the entire area during welding. When the solder tip begins to melt under high temperature, the generated solder will naturally gather in the recess of the solder block, effectively filling the gap and forming a smooth welding surface. A smooth welding surface not only improves the aesthetic appearance, but also helps to reduce stress concentration, thereby further enhancing the stability and durability of the welded structure.

[0011] As a further improvement of the above technical solution, the solder tip is conical.

[0012] As a further improvement of the above technical solution, the conical solder tip can serve as a positioning point to ensure accurate alignment of the nut during welding, thereby reducing errors caused by improper alignment. The conical design of the solder tip makes the tip portion thinner than other portions of the nut, which helps to quickly transfer heat and thus speeds up the welding process and improves welding efficiency.

[0013] As a further improvement of the above technical solution, the solder nut is made of aluminum.

[0014] As a further improvement of the above technical solution, aluminum has the lightweight characteristic, which can effectively reduce the weight of the finished product. In addition, aluminum is easy to shape and can be easily processed into various shapes and sizes. Furthermore, aluminum has excellent processing performance, as well as excellent electrical conductivity and thermal conductivity, which makes it convenient to weld with other metals.

[0015] As a further improvement of the above technical solution, the nut body is provided with a clamping groove for limiting, which is located on the side surface of the nut body.

[0016] As a further improvement of the above technical solution, the nut body is provided with a clamping groove for limiting, which is located on the side surface of the nut body.

[0017] As a further improvement of the above technical solution, the nut body is provided with a clamping groove for limiting, which is located on the side surface of the nut body.

[0018] As a further improvement of the above technical solution, the nut body is provided with a clamping groove for limiting, which is located on the side surface of the nut body.

[0019] A connecting structure comprises a cylinder body and the welding nut, and the nut body is welded on the cylinder body through the welding block. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structural schematic diagram of the utility model;

[0021] Figure 2 is Figure 1 is a top view of the welding nut;

[0022] Figure 3 is Figure 1 is a side view of the welding nut;

[0023] Figure 4 is Figure 3 is a sectional view along the line A-A;

[0024] Figure 5 is a structural schematic diagram of a preferred embodiment provided by the utility model.

[0025] In the drawings: 1-nut body, 2-welding block, 3-welding tip, 4-recess, 5-clamping groove, 6-screw hole. DETAILED DESCRIPTION

[0026] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the above embodiment description are simply described. Obviously, the described drawings are only a part of the embodiments of the utility model, not all the embodiments, and the person skilled in the art can obtain other design schemes and drawings according to these drawings without paying creative labor.

[0027] The concept, specific structure and generated technical effects of the present application will be clearly and completely described below in combination with the embodiments and drawings, so as to fully understand the purpose, features and effects of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all embodiments, based on the embodiments of the present application, other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application. In addition, all the connection / connection relationships mentioned in the text do not mean that the components are directly connected, but that a better connection structure can be composed by adding or reducing connection accessories according to the specific implementation situation. The various technical features in the present application can be combined interactively without mutual contradiction and conflict.

[0028] The welded nut is a fastener used to firmly connect two metal parts together by welding method, and the nut has a threaded structure inside, which can tightly cooperate with the bolt to achieve firm connection. The working principle of the welded nut is based on high temperature welding technology. In the welding process, the surface of the metal part is melted by high temperature, so that the welding surface of the welded nut and the metal part can be fully mixed and cooled and solidified, so as to fuse the two separated parts into one whole. This welding method is not only firm and reliable, but also can withstand large load and vibration.

[0029] In actual application, when the welded nut is welded to the metal part, it is necessary to ensure that the welding surface of the welded nut and the metal part can be fully melted and combined. In order to improve the welding effect, the welded nut on the market is usually designed with a welding boss on the end face of the nut. These bosses are melted during welding, so as to achieve firm welding between the nut body 1 and the metal part. However, due to the existence of the boss, positioning difficulty may occur during welding. In addition, solder may overflow during the welding process, which not only affects the appearance of the finished product, but also increases the subsequent cleaning workload, thereby reducing the overall production efficiency.

[0030] Therefore, a welded nut, with reference to Figures 1-4 , comprising a nut body 1 and a welding block 2 arranged on the nut body 1, a threaded hole 6 of the nut body 1 is arranged at one end of the nut body 1, the welding block 2 is arranged at the other end of the nut body 1, and a recess 4 is arranged on the surface of the welding block 2 away from the nut body 1.

[0031] The recess 4 can effectively gather solder, so that the solder can be gathered to the center along the recess 4 during the welding process, forming a larger contact area, ensuring that the solder can fully cover and fill the gap between the welding nut and the metal part during the welding process, so that the welding nut and the metal part can be flat and fit. Secondly, the recess 4 can effectively prevent the solder from flowing outward during the pressing operation, thereby effectively avoiding the problem of solder overflow. This not only ensures the neatness and beauty of the welding process, but also avoids unnecessary waste of solder and cleaning work, improves the welding efficiency and quality.

[0032] The installation process of the welding nut involves fixing the nut body 1 to the surface of the metal part by welding. Therefore, in one embodiment, the recess 4 is provided in the middle of the surface of the welding block 2 facing away from the nut body 1, and the width of the recess 4 gradually increases from the bottom of the recess 4 to the top of the recess 4. The gradually increasing width of the recess 4 can effectively guide the solder to gradually gather to the center position along the depth direction of the recess 4, improving the gathering efficiency and speed of the solder. Due to the gradually increasing depth of the recess 4, the solder will flow along the depth direction of the recess 4 under the action of gravity and eventually converge to the center position, which helps to evenly distribute the solder, so that the solder can gather to form a larger contact area during the welding process, increasing the strength and stability of the welding point, thereby making the welding process more firm and reliable.

[0033] Considering the heat conduction and material flow characteristics in the welding process. Therefore, the center of the recess 4 is provided with a welding tip 3 which protrudes from the recess 4. During welding, the welding tip 3 located at the center position plays a role in facilitating positioning, improving the convenience and accuracy of welding. Placing the welding tip 3 at the center of the welding area can ensure that heat is evenly distributed to the entire area during the welding process. When the welding tip 3 begins to melt under the action of high temperature, the solder produced will naturally gather in the recess 4 of the welding block 2, effectively filling the gap and forming a smooth and flat welding surface. A flat welding surface not only improves the aesthetic appearance, but also helps to reduce stress concentration, thereby further enhancing the stability and durability of the welded structure.

[0034] During welding, the contact surfaces of two or more metal parts are heated, pressed, or both, causing the contact points to melt and bond together. Therefore, in one embodiment, the welding tip 3 is conical. The conical welding tip 3 can serve as a positioning point to ensure accurate alignment of the nut during welding, thereby reducing errors caused by improper alignment. The design of the conical welding tip 3 makes the tip portion thinner than other parts of the nut, which helps to transfer heat faster, thereby speeding up the welding process and improving welding efficiency.

[0035] If the weight is too large, it will cause adverse effects on use. Thus, in an embodiment, the welding nut is made of aluminum. Aluminum has the characteristic of being light, which can effectively reduce the weight of the finished product, and it is easy to shape, which can be easily processed into various shapes and sizes. In addition, aluminum has excellent processing performance, as well as excellent electrical conductivity and thermal conductivity, which makes it convenient to weld with other metals.

[0036] In the automatic production process of welding, when the automatically advancing nut is welded with the metal part, the clamping position is prone to loosen, which leads to misalignment. Thus, in an embodiment, the nut body 1 is provided with a clamping groove 5 for limiting position, which is located on the side surface of the nut body 1. When the welding nut moves in the automatic advancing system, the clamping groove 5 can effectively clamp and fix the position of the nut, ensuring that it remains stationary during the welding process, thereby achieving precise welding effect.

[0037] In many cases, the design of the metal part will have a certain inclination, which can make the metal part more ergonomic during use, and facilitate operation. Thus, in an embodiment, with reference to Figure 5 , the end surface of the nut body 1 provided with the welding block 2 is an inclined surface, so that there is an included angle α between the two end surfaces of the nut body 1. Such design makes the inclined surface perfectly match the inclination of the side wall of the metal part, ensuring that the welding between the nut body 1 and the metal part is more firm, thereby improving the strength and durability of the overall structure.

[0038] A connecting structure, comprising a cylinder body, and the welding nut of any one of the above, the nut body 1 is welded on the cylinder body through the welding block 2.

[0039] The preferred embodiments of the present application are described in detail above, but the present application is not limited to the embodiments described, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present application. These equivalent modifications or substitutions are all included in the scope defined by the claims of the present application.

Claims

1. A welding nut, characterized in that: The invention comprises a nut body (1) and a welding block (2) arranged on the nut body (1), wherein the screw hole (6) of the nut body (1) is arranged at one end of the nut body (1), the welding block (2) is arranged at the other end of the nut body (1), and a recessed portion (4) is provided on the surface of the welding block (2) facing away from the nut body (1); The recessed portion (4) is arranged in the middle of the surface of the welding block (2) facing away from the nut body (1), and the width of the recessed portion (4) gradually increases from the bottom of the recessed portion (4) to the top of the recessed portion (4); A welding tip (3) is provided at the center of the recessed portion (4), and the welding tip (3) extends out of the recessed portion (4).

2. The weld nut according to claim 1, wherein: The welding tip (3) is conical.

3. The weld nut according to claim 1, wherein: The welding nut is made of aluminum.

4. The weld nut according to claim 1, wherein: The nut body (1) is provided with a clamping groove (5) for limiting position, and the clamping groove (5) is located on the side of the nut body (1).

5. The weld nut according to claim 1, wherein: The end surface of the nut body (1) on which the welding block (2) is arranged is an inclined surface, so that an angle α exists between the two end surfaces of the nut body (1).

6. A connection structure, characterized in that: It comprises a cylinder and a welding nut according to any one of claims 1 to 5, wherein the nut body (1) is welded to the cylinder through the welding block (2).

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