A wire connector with a fuse tube

Abstract

This utility model discloses a wire connector with a fuse tube, relating to the field of connector technology. It includes a male locking connector and a female locking connector, with threaded sections one and two respectively at their opposite ends. The male and female locking connectors are connected by threads. A male terminal, a female terminal, a fuse tube, and a return spring are disposed between the male and female locking connectors. The male and female terminals are respectively located inside the male and female locking connectors. The male terminal has a protrusion on the side facing the fuse tube, and the female terminal has a limit ring on the side facing the fuse tube. A magnet is disposed inside the limit ring. The return spring is sleeved on the female terminal. This design, through the elastic action of the return spring, can, on the one hand, eject the fuse tube a certain distance from inside the female locking connector, making fuse replacement easier; on the other hand, it can effectively absorb instantaneous current surges, protecting the fuse and extending its service life.

Description

Technical Field

[0001] This utility model relates to the field of connector technology, specifically to a wire connector with a fuse tube. Background Technology

[0002] Solar power generation technology uses solar panels to convert sunlight into electrical energy, which is then output as current to power energy-consuming devices. Solar panels are relatively large, consisting of several interconnected groups of panels, each group comprised of several individual panels. When the combined current from several groups of panels becomes too high, it can damage connected equipment. Therefore, a easily replaceable fuse needs to be connected in series in the wiring. Due to space constraints, installing a fuse at the wire connection point is the most convenient method for installation and replacement.

[0003] When a fuse blows, it needs to be replaced manually. However, current technology makes fuse replacement cumbersome, and in some circuit environments, there may be instantaneous current surges that could damage the fuse and affect the circuit's protective effect. To address this, we propose a wire connector with an integrated fuse tube. Utility Model Content

[0004] The purpose of this invention is to provide a wire connector with a fuse tube, to solve the problem mentioned in the background art where manual replacement is required after the fuse blows. Existing technologies involve cumbersome fuse replacement, and in some circuit environments, there may be instantaneous current surges, which could damage the fuse and affect the circuit's protection effectiveness.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a wire connector with a fuse tube, comprising a male locking connector and a female locking connector, wherein the opposite ends of the male locking connector and the female locking connector are respectively provided with a threaded section one and a threaded section two, the male locking connector and the female locking connector are connected by threads, and a male terminal, a female terminal, a fuse tube and a return spring are provided between the male locking connector and the female locking connector, the male terminal and the female terminal are respectively disposed inside the male locking connector and the female locking connector, the male terminal is provided with a protrusion on the side facing the fuse tube, the female terminal is provided with a limit ring on the side facing the fuse tube, a magnet is disposed inside the limit ring, and the return spring is sleeved on the female terminal; The male lock connector has a sealing ring embedded in its end face facing the female lock connector, and the female lock connector has an arc-shaped groove on its end face facing the male lock connector. The arc-shaped groove is engaged with the sealing ring.

[0006] Preferably, the fuse is disposed inside the limiting ring, and the inner diameter of the limiting ring is equal to the outer diameter of the end of the fuse.

[0007] Preferably, the male lock connector, the fuse, and the female lock connector are all collinear, and the fuse is located inside the male lock connector and the female lock connector.

[0008] Preferably, both the male lock connector and the female lock connector have a conical surface inside.

[0009] Preferably, the male lock connector has a viewing window on its side, and the viewing window is located on the outside of the fuse.

[0010] Preferably, the fuse is disposed between the male terminal and the female terminal, and both the male terminal and the female terminal are in contact with the end face of the fuse.

[0011] Preferably, the fuse is disposed between the male terminal and the female terminal, and both the male terminal and the female terminal are in contact with the end face of the fuse.

[0012] Compared with the prior art, the beneficial effects of this utility model are: 1. This type of wire connector with a fuse tube, by setting the fuse tube inside the male and female lock connectors, allows for a visual indication of the color change after the fuse blows through a viewing window. Separating the male and female lock connectors allows the fuse tube to be ejected a certain distance from the inside of the female lock connector by the elastic action of the return spring, making fuse replacement easier. At the same time, the elastic adsorption effect of the return spring can effectively absorb instantaneous current surges, protecting the fuse and extending its service life.

[0013] 2. This type of wire connector with a fuse tube has a sealing ring and an arc-shaped groove on the opposite sides of the male and female locking connectors. After the male and female locking connectors are connected, the arc-shaped groove is engaged with the sealing ring. As the positions of the male and female locking connectors gradually come together, the sealing ring is compressed, resulting in a better sealing effect and further improving the sealing performance of the connector and the waterproof effect of the fuse. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the exploded structure of this utility model; Figure 2 This is a front view schematic diagram of the present invention; Figure 3 This is a schematic diagram of the male locking connector structure of this utility model; Figure 4 This is a half-sectional view of the female lock connector of this utility model; Figure 5 This is a schematic diagram of the male terminal structure of this utility model; Figure 6 This is a schematic diagram of the female terminal structure of this utility model.

[0015] In the diagram: 1. Male lock connector; 11. Viewing window; 12. Threaded section one; 13. Sealing ring; 2. Female lock connector; 21. Arc-shaped groove; 22. Threaded section two; 3. Return spring; 4. Female terminal; 41. Limiting ring; 42. Magnet; 5. Fuse; 6. Male terminal; 61. Protruding head. Detailed Implementation

[0016] 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.

[0017] Example: Please refer to Figure 1-6 This utility model provides a technical solution: a wire connector with a fuse tube, including a male locking connector 1 and a female locking connector 2. The opposite ends of the male locking connector 1 and the female locking connector 2 are respectively provided with a threaded section 12 and a threaded section 22. The male locking connector 1 and the female locking connector 2 are connected by threads.

[0018] Please see Figure 1 and Figure 2 The male lock connector 1 and the female lock connector 2 are provided with a male terminal 6, a female terminal 4, a fuse 5, and a return spring 3. The male terminal 6 and the female terminal 4 are respectively located inside the male lock connector 1 and the female lock connector 2. Both the male lock connector 1 and the female lock connector 2 have conical surfaces inside. By providing conical surfaces inside the male lock connector 1 and the female lock connector 2, the positions of the male terminal 6 and the female terminal 4 can be restricted.

[0019] For further details, please refer to Figure 1 , Figure 5 and Figure 6The male terminal 6 has a protrusion 61 on the side facing the fuse 5, and the female terminal 4 has a limiting ring 41 on the side facing the fuse 5. A magnet 42 is installed inside the limiting ring 41, and the magnet 42 is magnetically connected to the fuse 5. The fuse 5 is located inside the limiting ring 41, and the inner diameter of the limiting ring 41 is equal to the outer diameter of the end of the fuse 5. When fixing the fuse 5, it is inserted into the limiting ring 41. The limiting ring 41 restricts the position of the fuse 5, and the magnet 42, located inside the limiting ring 41, can contact the rigid metal at both ends of the fuse 5. Through the adsorption and positioning of the magnet 42, the fuse 5 and the magnet 42 can form multi-point contact, thereby fixing the position of the fuse 5.

[0020] Please see Figure 1 The fuse is configured such that a return spring 3 is sleeved on the female terminal 4; the male lock connector 1, fuse 5, and female lock connector 2 are all collinear, and the fuse 5 is located inside both the male lock connector 1 and the female lock connector 2. The fuse 5 is located between the male terminal 6 and the female terminal 4, and both the male terminal 6 and the female terminal 4 are in contact with the end face of the fuse 5. By setting a return spring 3 on one side of the fuse 5, the elastic adsorption of the return spring 3 can effectively absorb instantaneous current surges, protect the fuse, and extend its service life. At the same time, due to the elastic action of the return spring 3, after separating the male lock connector 1 and the female lock connector 2, the return spring 3 returns to its original position, which can eject the fuse 5 a certain distance from inside the female lock connector 2, making it easier to replace the fuse 5.

[0021] In this example, a sealing ring 13 is embedded in the end face of the male lock connector 1 facing the female lock connector 2. The sealing ring 13 is hollow inside. An arc-shaped groove 21 is provided on the end face of the female lock connector 2 facing the male lock connector 1. The arc-shaped groove 21 is engaged with the sealing ring 13. With the sealing ring 13 in place, after the male lock connector 1 and the female lock connector 2 are connected, the arc-shaped groove 21 engages with the sealing ring 13. As the positions of the male lock connector 1 and the female lock connector 2 gradually come together, the sealing ring 13 is compressed, resulting in a better sealing effect. This further improves the sealing performance of the connector and enhances the waterproof effect of the fuse.

[0022] like Figure 3As shown, a viewing window 11 is provided on the side of the male lock connector 1, located outside the fuse tube 5. The viewing window 11 is made of transparent plastic and is embedded in the male lock connector 1. The fuse is a thermochromic coated fuse, with a thermochromic material (such as microencapsulated thermosensitive pigment) coated on the surface of the fuse's metal body (such as lead-tin alloy). The coating consists of two layers: an outer transparent heat-insulating layer and an inner color-changing layer. When the temperature reaches the melting threshold, the inner pigment changes from colorless / light color to a high-contrast color such as red or black. At this time, the fuse melting status can be directly observed through the viewing window 11.

[0023] Working principle: In this type of wire connector with a fuse tube, the male locking connector 1 and the female locking connector 2 are connected by threads, and the fuse tube 5 is placed inside the male locking connector 1 and the female locking connector 2. After the fuse blows, the color change it produces can be seen directly through the viewing window 11. When the male locking connector 1 and the female locking connector 2 are separated, the elastic action of the return spring 3 can push the fuse tube 5 out of the female locking connector 2 a certain distance, making it easier to replace the fuse tube 5. At the same time, during use, the elastic adsorption effect of the return spring 3 can effectively absorb instantaneous current surges, protect the fuse, and extend the fuse's service life.

[0024] 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 which is defined by the appended claims and their equivalents.

Claims

1. A fuse tube wire connector comprising a male lock connector (1) and a female lock connector (2), the male lock connector (1) and the female lock connector (2) are respectively provided with a threaded section one (12) and a threaded section two (22) at opposite ends, characterized in that: The male lock connector (1) and the female lock connector (2) are connected by threads. A male terminal (6), a female terminal (4), a fuse (5) and a return spring (3) are provided between the male lock connector (1) and the female lock connector (2). The male terminal (6) and the female terminal (4) are respectively located inside the male lock connector (1) and the female lock connector (2). The male terminal (6) has a protrusion (61) on the side facing the fuse (5). The female terminal (4) has a limit ring (41) on the side facing the fuse (5). A magnet (42) is provided inside the limit ring (41). The return spring (3) is sleeved on the female terminal (4). The male lock connector (1) has a sealing ring (13) embedded in the end face of the female lock connector (2), and the female lock connector (2) has an arc-shaped groove (21) on the end face of the male lock connector (1), which is engaged with the sealing ring (13).

2. The wire connector with a fuse tube according to claim 1, characterized in that: The fuse (5) is located inside the limiting ring (41), and the inner diameter of the limiting ring (41) is equal to the outer diameter of the end of the fuse (5).

3. A wire connector with a fuse tube according to claim 1, characterized in that: The male lock connector (1), the fuse (5) and the female lock connector (2) are all collinear, and the fuse (5) is located inside the male lock connector (1) and the female lock connector (2).

4. A wire connector with a fuse tube according to claim 1, characterized in that: Both the male lock connector (1) and the female lock connector (2) have conical surfaces inside.

5. A wire connector with a fuse tube according to claim 1, characterized in that: The male lock connector (1) has a viewing window (11) on its side, and the viewing window (11) is located outside the fuse (5).

6. A wire connector with a fuse tube according to claim 1, characterized in that: The fuse (5) is located between the male terminal (6) and the female terminal (4), and both the male terminal (6) and the female terminal (4) are in contact with the end face of the fuse (5).

7. A wire connector with a fuse tube according to claim 1, characterized in that: The magnet (42) and the fuse (5) are magnetically connected.

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