Double-chuck connecting line

Abstract

The utility model relates to the technical field of connecting wires, and discloses a double-chuck connecting wire, which comprises a conductive wire, and two ends of the conductive wire are respectively provided with a first chuck and a second chuck. The first clamping head comprises a first pressing structure and a second pressing structure which can be opened and closed relatively, first abutting parts which are sunken in an arc shape in the vertical direction are arranged at the ends, away from the conductive wire, of the first pressing structure and the second pressing structure correspondingly, and the sunken directions of the two first abutting parts are opposite; the second clamping head comprises a third pressing structure and a fourth pressing structure which can be opened and closed relatively. The ends, away from the conductive wire, of the third pressing structure and the fourth pressing structure are each provided with a second abutting part extending in the horizontal direction. The connector is advantageous in that the connector can be compatible with a cylindrical plug and a plane terminal at the same time.

Description

A double-clamp connector Technical Field

[0001] This utility model relates to the field of connector technology, and in particular to a double-clamp connector. Background Technology

[0002] In the fields of electronic equipment testing, circuit connection and power transmission, double-clamp connectors have been widely used in various experimental, testing and maintenance scenarios because they can quickly achieve conduction between two electrical terminals.

[0003] Currently, most publicly available dual-clamp connectors use two alligator clips as the connection terminals. Alligator clips, due to their large clamping opening and strong clamping force, are suitable for clamping exposed wires, terminals, or large-area metal contact surfaces, performing well in conventional applications. However, in practical use, this traditional structure has been found to have several limitations. First, the flat, interlocking structure of alligator clips makes it difficult to form stable electrical contact with specific interfaces such as cylindrical plugs and miniature pins. Due to the mismatch in contact area, contact resistance can easily increase, leading to signal transmission distortion or current instability, affecting test accuracy and connection reliability. Second, in some application scenarios, users need to connect different types of interfaces simultaneously, and the traditional dual-alligator clip structure lacks versatility, making it difficult to meet diverse connection needs. Summary of the Invention

[0004] In view of the above-mentioned shortcomings of the existing technology, the technical problem to be solved by this utility model is to propose a double-clamp connector that can be compatible with both cylindrical plugs and planar terminals.

[0005] The technical solution adopted by this utility model to solve its technical problem is to provide a double-clamp connecting cable, comprising:

[0006] A conductive wire, wherein a first clamp and a second clamp are respectively provided at both ends of the conductive wire;

[0007] The first clamp includes a first clamping structure and a second clamping structure that can be opened and closed relative to each other. The first clamping structure and the second clamping structure are respectively provided with a first abutting part that is arc-shaped and recessed in the vertical direction at the end away from the conductive wire, and the two first abutting parts are recessed in opposite directions.

[0008] The second clamp includes a third clamping structure and a fourth clamping structure that can be opened and closed relative to each other. The third clamping structure and the fourth clamping structure are respectively provided with a second abutment portion extending in the horizontal direction at the end opposite to the conductive wire.

[0009] Furthermore, the two first abutting portions are semi-circular arc structures with equal inner diameters, and the center lines of the two first abutting portions are on the same straight line.

[0010] Furthermore, the two first abutting portions extend along the length directions of the first pressing structure and the second pressing structure, respectively, so that the first pressing structure forms a first clamping section and the second pressing structure forms a second clamping section, and the lengths of the first clamping section and the second clamping section are equal.

[0011] Furthermore, the first clamping segment has a first serrated structure extending along its own length on the side facing the second clamping segment, and the second clamping segment has a second serrated structure extending along its own length on the side facing the first clamping segment. The first serrated structure and the second serrated structure are arranged in a staggered manner and form an interlocking engagement when the first pressing structure and the second pressing structure are closed.

[0012] Furthermore, the first pressing structure and the second pressing structure are respectively provided with pressing portions near the end of the conductive wire, and one of the pressing portions is bent away from the other pressing portion.

[0013] Furthermore, the first pressing structure and the second pressing structure are respectively provided with hinged parts, the hinged parts are located between the pressing part and the first clamping section or the second clamping section, and the two hinged parts are hinged together by a rotating shaft.

[0014] Furthermore, a torsion spring is fitted onto the rotating shaft, with its two ends inclined in opposite directions and respectively abutting against the inner walls of the two pressing parts.

[0015] Furthermore, the second abutment portion is in the shape of a rectangular or triangular convex ridge.

[0016] Furthermore, the third clamping structure and the fourth clamping structure are respectively provided with a third clamping section and a fourth clamping section on the side near the second abutment portion. The third clamping section has a third serrated structure extending along its own length on the side facing the fourth clamping section, and the fourth clamping section has a fourth serrated structure extending along its own length on the side facing the third clamping section. The third serrated structure and the fourth serrated structure are staggered and form an interlocking engagement when the third clamping structure and the fourth clamping structure are closed.

[0017] Furthermore, the first chuck and the second chuck are made of metal, and the outer surfaces of the first chuck and the second chuck are provided with an insulating layer.

[0018] Compared with the prior art, the present invention has at least the following beneficial effects:

[0019] 1. In this utility model, a first clamp and a second clamp are respectively provided at both ends of the conductive wire. The first clamp has a first clamping structure and a second clamping structure that can be opened and closed relative to each other. The first clamping structure and the second clamping structure have a first abutment portion that is arc-shaped and recessed in the vertical direction at the end opposite to the conductive wire, and the recessed directions of the two first abutment portions are opposite. The second clamp includes a third clamping structure and a fourth clamping structure that can be opened and closed relative to each other. The third clamping structure and the fourth clamping structure have a second abutment portion that extends in the horizontal direction at the end opposite to the conductive wire. This design enables the first clamp to stably clamp cylindrical terminals, while the second clamp is suitable for clamping planar or rectangular terminals, thereby realizing the compatible connection of a single connecting wire to electrical interfaces of different shapes and directions, significantly improving the applicability and flexibility of the connecting wire.

[0020] 2. In this utility model, the two first abutting parts are semi-circular arc structures with equal inner diameters, and the center lines of the two first abutting parts are on the same straight line. This design enables the clamping action to be precisely aligned with the central axis of the cylindrical terminal, which not only significantly improves the centering and fit during the clamping process, but also effectively avoids poor contact or slippage caused by eccentric clamping.

[0021] 3. In this utility model, the first clamping segment has a first serrated structure extending along its own length on the side facing the second clamping segment, and the second clamping segment has a second serrated structure extending along its own length on the side facing the first clamping segment. The first and second serrated structures are staggered and form an interlocking engagement when the first and second clamping structures are closed. This design can significantly increase the friction when clamping circular terminals, effectively preventing the terminals from sliding or loosening axially during clamping. Attached Figure Description

[0022] Figure 1 is a structural schematic diagram of a double-clamp connector of this utility model.

[0023] Figure 2 is an exploded view of a double-clamp connector of this utility model.

[0024] Figure 3 is a schematic diagram of the structure of the first clamp in this utility model.

[0025] Figure 4 is a schematic diagram of the structure of the second clamp in this utility model.

[0026] In all the accompanying drawings, the same reference numerals denote the same technical features, specifically:

[0027] 100. Conductive wire; 200. First clamp; 210. First pressing structure; 211. First abutting part; 212. First clamping section; 213. First serrated structure; 214. Pressing part; 215. Hinge part; 220. Second pressing structure; 221. Second clamping section; 222. Second serrated structure; 300. Second clamp; 310. Third pressing structure; 311. Second abutting part; 312. Third clamping section; 313. Third serrated structure; 320. Fourth pressing structure; 321. Fourth clamping section; 322. Fourth serrated structure; 400. Rotating shaft; 500. Torsion spring. Detailed Implementation

[0028] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0029] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0030] Furthermore, in this utility model, the use of terms such as "first," "second," and "a" is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0031] In this utility model, unless otherwise explicitly specified and limited, the terms "connection," "fixing," etc., should be interpreted broadly. For example, "fixing" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0032] Furthermore, the technical solutions of the various embodiments of this utility model can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0033] As shown in Figures 1 to 4, in this embodiment, a double-clamp connector cable includes:

[0034] A conductive wire 100, with a first clamp 200 and a second clamp 300 at each end;

[0035] The first clamp 200 includes a first clamping structure 210 and a second clamping structure 220 that can be opened and closed relative to each other. The first clamping structure 210 and the second clamping structure 220 are respectively provided with a first abutting part 211 that is arc-shaped and recessed in the vertical direction at the end opposite to the conductive wire 100, and the recessing directions of the two first abutting parts 211 are opposite.

[0036] The second clamp 300 includes a third clamping structure 310 and a fourth clamping structure 320 that can be opened and closed relative to each other. The third clamping structure 310 and the fourth clamping structure 320 each have a second abutment portion 311 extending horizontally at the end opposite to the conductive wire 100. This design allows the first clamp 200 to stably clamp cylindrical terminals, while the second clamp 300 is suitable for clamping planar or rectangular terminals, thereby achieving compatible connection of a single connecting wire to electrical interfaces of different shapes and orientations, significantly improving the applicability and flexibility of the connecting wire.

[0037] Specifically, the dual-clamp connector provided in this embodiment is mainly used to achieve efficient connection between two different types of electrical terminals. The conductive wire 100, as the core conductive medium of the entire device, is responsible for transmitting current or signals between the two different electrical terminals.

[0038] As shown in Figures 1 and 2, in this embodiment, the two ends of the conductive wire 100 extend into the first clamp 200 and the second clamp 300, respectively, and are fixedly connected to the first clamp 200 and the second clamp 300. This connection method ensures the structural stability and electrical connection reliability between the conductive wire 100 and the clamps, effectively preventing poor contact or detachment caused by vibration or external force during use, thereby improving the safety and service life of the overall device. Preferably, the length of the conductive wire 100 can be set according to actual needs.

[0039] In this embodiment, the first clamp 200 and the second clamp 300 are made of metal materials, such as copper, copper alloys, or other metals with good conductivity, to ensure a low-resistance, high-stability electrical connection between the clamps and the clamped terminals. This design is suitable for applications requiring the transmission of large currents or high-frequency signal connections, significantly improving connection efficiency and system operational stability.

[0040] In this embodiment, the outer surfaces of the first chuck 200 and the second chuck 300 are provided with an insulating layer, which is made of thermoplastic elastomer, silicone, PVC, or other materials with good insulation and wear resistance. This design can prevent accidental short circuits or electric shocks from occurring during operation.

[0041] As shown in Figures 2 to 4, in this embodiment, the first clamp 200 includes a first clamping structure 210 and a second clamping structure 220 that are distributed vertically and can be opened and closed relative to each other. The ends of the first clamping structure 210 and the second clamping structure 220 opposite to the conductive wire 100 are respectively provided with a first abutment portion 211 that is arc-shaped and recessed in the vertical direction, and the recessed directions of the two first abutment portions 211 are opposite. This design enables efficient and stable clamping of cylindrical terminals, ensuring close contact with the surface of the clamped object during clamping. Compared with existing alligator clamps, it provides a larger contact area, significantly enhancing clamping force and stability. Furthermore, the openable design can accommodate terminals of different diameters, further improving the flexibility of use.

[0042] In this embodiment, the two first abutment portions 211 are semi-circular arc structures with equal inner diameters, and the center lines of the two first abutment portions 211 are on the same straight line, that is, the two first abutment portions 211 are arranged in alignment. This design enables the clamping action to be precisely aligned with the central axis of the cylindrical terminal, which not only significantly improves the centering and fit during the clamping process and effectively avoids poor contact or slippage caused by eccentric clamping, but also ensures that the force on both sides is uniform during the clamping process, preventing clamping instability or terminal damage caused by excessive pressure on one side.

[0043] In this embodiment, the two first abutment portions 211 extend along the length direction of the first clamping structure 210 and the second clamping structure 220, respectively, so that the first clamping structure 210 forms a first clamping section 212 and the second clamping structure 220 forms a second clamping section 221, and the lengths of the first clamping section 212 and the second clamping section 221 are equal. This design effectively expands the clamping range and significantly improves the stability and consistency of the clamping action, especially suitable for clamping long or large-diameter circular terminals, and can effectively prevent slippage, tilting or incomplete clamping during the clamping process.

[0044] In this embodiment, the first clamping segment 212 has a first serrated structure 213 extending along its own length on the side facing the second clamping segment 221, and the second clamping segment 221 has a second serrated structure 222 extending along its own length on the side facing the first clamping segment 212. The first serrated structure 213 and the second serrated structure 222 are staggered and form an interlocking engagement when the first clamping structure 210 and the second clamping structure 220 are closed. This design achieves a self-locking function in the axial direction after the first clamping segment 212 and the second clamping segment 221 are closed, and can significantly increase the friction when clamping a circular terminal, effectively preventing the terminal from sliding or loosening axially during the clamping process.

[0045] Preferably, in this embodiment, both the first serrated structure 213 and the second serrated structure 222 are composed of multiple continuously arranged serrations. This design not only enhances the mechanical interlocking strength between the clamping segments, but also further improves the frictional force and clamping stability of the clamped terminal during the clamping process.

[0046] Preferably, in this embodiment, the first clamping section 212 is provided with two sets of first clamping structures arranged symmetrically from left to right, and the second clamping section 221 is provided with two sets of second clamping structures accordingly. This design not only enhances the structural stability during the clamping process, but also significantly improves the uniformity of the clamping force distribution and the clamping reliability.

[0047] In this embodiment, the first clamping structure 210 and the second clamping structure 220 are respectively provided with pressing parts 214 near the conductive wire 100. One pressing part 214 is bent away from the other pressing part 214, which is used for the user to apply pressing force to realize the opening and closing operation of the clamp. This design forms an operating angle that is more in line with the natural movement trajectory of human fingers, allowing the user to apply force more naturally when opening and closing the clamp, reducing operating fatigue. Compared with the traditional symmetrical straight-plate pressing structure, this bent design significantly improves the comfort and convenience of use.

[0048] Preferably, in this embodiment, the pressing portion 214 on the first pressing structure 210 is bent away from the second pressing structure 220, forming an acute angle between the two pressing portions 214. This design allows the user's thumb and forefinger to be placed more naturally on the two pressing portions 214 when performing the clamp opening and closing operation, conforming to the natural posture of finger bending and force exertion, significantly reducing the pressure on hand muscles and joints during operation, and improving comfort during long-term use.

[0049] In this embodiment, the first clamping structure 210 and the second clamping structure 220 are respectively provided with hinge portions 215. The hinge portions 215 are located between the pressing portion 214 and the first clamping section 212 or the second clamping section 221, and the two hinge portions 215 are hinged together by a rotating shaft 400. This design enables the first clamping structure 210 and the second clamping structure 220 to achieve stable and flexible relative opening and closing movements, thereby significantly improving the operating performance and structural stability of the chuck.

[0050] In this embodiment, a torsion spring 500 is sleeved on the rotating shaft 400. The two ends of the torsion spring 500 are inclined in opposite directions and abut against the inner walls of the two pressing parts 214 respectively. Due to the presence of the torsion spring 500, the user only needs to apply a small pressing force to open the chuck for clamping operation. After releasing the pressing part 214, the chuck can close automatically immediately, which can not only achieve stable clamping of the terminal, but also reduce the risk of misoperation caused by keeping the chuck open for a long time.

[0051] In this embodiment, the second clamp 300 includes a third clamping structure 310 and a fourth clamping structure 320 that are vertically distributed and can be opened and closed relative to each other. The third clamping structure 310 and the fourth clamping structure 320 each have a second abutment portion 311 extending horizontally at the end opposite to the conductive wire 100. This design enables efficient and stable clamping of planar or rectangular terminals, thereby expanding the applicability of the connecting wire and improving its versatility and practicality in various electrical connection scenarios.

[0052] In this embodiment, the second abutment portion 311 is in the shape of a rectangular or triangular protrusion, and when the second abutment portion 311 is in the shape of a triangular protrusion, its tip faces the clamping direction. Preferably, the second abutment portion 311 is in the shape of a triangular protrusion. This design allows the second abutment portion 311 to slightly "embed" into the surface of the object being clamped when the clamp is closed, forming a certain mechanical biting force. This not only improves the firmness of the clamping but also plays a self-positioning role to a certain extent, making the clamping action more precise and in place, and avoiding poor contact problems caused by clamping deviation.

[0053] In this embodiment, the third clamping structure 310 and the fourth clamping structure 320 are respectively provided with a third clamping section 312 and a fourth clamping section 321 on the side near the second abutment portion 311. The third clamping section 312 has a third serrated structure 313 extending along its length on the side facing the fourth clamping section 321, and the fourth clamping section 321 has a fourth serrated structure 322 extending along its length on the side facing the third clamping section 312. The third serrated structure 313 and the fourth serrated structure 322 are staggered and form an interlocking engagement when the third clamping structure 310 and the fourth clamping structure 320 are closed. This design effectively improves the mechanical engagement force and anti-slip capability during the clamping process, thereby achieving a more stable and reliable electrical connection.

[0054] In this embodiment, the third clamping structure 310 and the fourth clamping structure 320 are also provided with hinge parts 215 and pressing parts 214, and the two hinge parts 215 are hinged together by a rotating shaft 400, on which a torsion spring 500 is sleeved. This design has the same function as the corresponding hinge parts 215, pressing parts 214 and torsion spring 500 in the first chuck 200, and can realize the stable opening and closing and automatic closing function of the chuck. Therefore, its specific working principle will not be described in detail here.

[0055] It is worth noting that the pressing part 214 is designed horizontally, and its overall extension direction is basically parallel to the clamping section, forming a flat and low-profile operating structure.

[0056] Preferably, in this embodiment, the second clamp 300 is an alligator clip. This design not only improves the versatility and adaptability of the connecting cable in various electrical connection scenarios, but also significantly enhances its clamping stability and ease of operation on planar or rectangular terminals.

Claims

1. A double-clamp connector cable, characterized in that, include: A conductive wire (100) is provided at both ends of which a first clamp (200) and a second clamp (300) are respectively provided. The first clamp (200) includes a first clamping structure (210) and a second clamping structure (220) that can be opened and closed relative to each other. The first clamping structure (210) and the second clamping structure (220) are respectively provided with a first abutment portion (211) that is arc-shaped and recessed in the vertical direction at the end opposite to the conductive wire (100), and the recessed directions of the two first abutment portions (211) are opposite. The second clamp (300) includes a third clamping structure (310) and a fourth clamping structure (320) that can be opened and closed relative to each other. The third clamping structure (310) and the fourth clamping structure (320) are respectively provided with a second abutment portion (311) that extends in the horizontal direction at the end opposite to the conductive wire (100).

2. The double-clamp connector according to claim 1, characterized in that, The two first abutting parts (211) are semi-circular arc structures with equal inner diameters, and the center lines of the two first abutting parts (211) are on the same straight line.

3. The double-clamp connector according to claim 1, characterized in that, The two first abutting portions (211) extend along the length direction of the first pressing structure (210) and the second pressing structure (220), respectively, so that the first pressing structure (210) forms a first clamping section (212) and the second pressing structure (220) forms a second clamping section (221), and the lengths of the first clamping section (212) and the second clamping section (221) are equal.

4. A double-clamp connector according to claim 3, characterized in that, The first clamping section (212) has a first serrated structure (213) extending along its own length on the side facing the second clamping section (221), and the second clamping section (221) has a second serrated structure (222) extending along its own length on the side facing the first clamping section (212). The first serrated structure (213) and the second serrated structure (222) are arranged in a staggered manner and form an interlocking engagement when the first pressing structure (210) and the second pressing structure (220) are closed.

5. A double-clamp connector according to claim 4, characterized in that, The first pressing structure (210) and the second pressing structure (220) are respectively provided with pressing parts (214) near the end of the conductive wire (100), and one of the pressing parts (214) is bent away from the other pressing part (214).

6. A double-clamp connector according to claim 5, characterized in that, The first pressing structure (210) and the second pressing structure (220) are respectively provided with hinge portions (215). The hinge portions (215) are located between the pressing portion (214) and the first clamping section (212) or the second clamping section (221), and the two hinge portions (215) are hinged by a pivot (400).

7. A double-clamp connector according to claim 6, characterized in that, A torsion spring (500) is sleeved on the rotating shaft (400), and the two ends of the torsion spring (500) are inclined in opposite directions and respectively abut against the inner walls of the two pressing parts (214).

8. A double-clamp connector according to claim 1, characterized in that, The second contact portion (311) is in the shape of a rectangular or triangular protrusion.

9. A double-clamp connector according to claim 1, characterized in that, The third clamping structure (310) and the fourth clamping structure (320) are respectively provided with a third clamping section (312) and a fourth clamping section (321) on the side near the second abutment part (311). The third clamping section (312) is provided with a third serrated structure (313) extending along its own length direction on the side facing the fourth clamping section (321). The fourth clamping section (321) is provided with a fourth serrated structure (322) extending along its own length direction on the side facing the third clamping section (312). The third serrated structure (313) and the fourth serrated structure (322) are staggered and form an interlocking engagement when the third clamping structure (310) and the fourth clamping structure (320) are closed.

10. A double-clamp connector according to claim 1, characterized in that, The first chuck (200) and the second chuck (300) are made of metal material, and the outer surfaces of the first chuck (200) and the second chuck (300) are provided with an insulating layer.

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