Screwing type terminal wire

Abstract

The utility model discloses a screwing type terminal wire. The BNC connector comprises a BNC female connector and a BNC male connector which are connected in an inserted mode, and further comprises a sleeve, the sleeve is arranged at the connecting position of the BNC female connector and the BNC male connector in a sleeving mode and can move up and down, internal threads are arranged on the inner circumferential face of the sleeve, and external threads are correspondingly arranged on the outer circumferential face of the BNC male connector. The connector further comprises a sealing ring and a second protruding edge, the sealing ring is fixedly arranged on the upper end face of the sleeve, the second protruding edge is fixedly arranged on the peripheral face of the BNC male head, and after the sleeve is in threaded connection with the BNC male head, one end face of the sealing ring abuts against the second protruding edge. The internal thread on the sleeve is connected with the external thread of the BNC male head in a matched mode to form a thread locking structure, the structure can ensure that the BNC male head and the BNC female head cannot be easily loosened due to external force or vibration after being connected, and therefore connection stability is improved. The sealing ring can improve the sealing performance of the BNC female head and the BNC male head; the sealing ring can effectively prevent water, dust and other external pollutants from entering the BNC female head and the BNC male head.

Description

TECHNICAL FIELD

[0001] The utility model relates to terminal wire technical field especially relates to a screw joint formula terminal wire. BACKGROUND

[0002] Terminal wire, also known as wiring harness, is a kind of cable composed of multiple wires (usually copper) and equipped with connectors or terminals at both ends. These connectors or terminals are used to connect with other electronic devices or circuit boards, thereby realizing the transmission of electrical signals. Terminal wire is commonly used in various electronic devices, electrical equipment and automation systems to ensure reliable connection and signal transmission between devices.

[0003] Among them, the terminal wire is used to convert the video signal of VGA interface into the video signal of BNC interface for transmission. One end of the terminal wire is VGA interface, usually used for video output of computer and other devices, and the other end is BNC interface, used for video input or output of professional video equipment (such as monitor, video recorder, etc.). Through this terminal wire, the video signal of computer can be transmitted to professional video equipment with BNC interface, realizing the conversion and transmission of video signal.

[0004] At present, when the BNC female head and the BNC male head are assembled, only the gold-plated needle of the BNC male head is inserted into the connecting hole of the BNC female head for connection, and there is no sealing structure at the connection between the BNC female head and the BNC male head. BNC connector is usually used for transmission of radio frequency signal, and radio frequency signal is very sensitive to interference. Without external sealing structure, the shielding layer of BNC connector may not be completely closed, so that external electromagnetic interference is easy to invade, affecting the transmission quality of signal. Such interference may cause signal attenuation, distortion or noise, and further affect the performance of the whole system. In humid, corrosive gas and other harsh environments, water, corrosive gas and other substances may invade the inside through the connection gap, causing corrosion and oxidation of the gold-plated needle and the female head connecting hole. UTILITY MODEL CONTENT

[0005] In view of the problems existing in the prior art, the utility model provides a screw joint type terminal wire, which can effectively solve the problems existing in the prior art.

[0006] The technical scheme of the utility model is:

[0007] According to one aspect of the utility model, including: mutual plug BNC female head and BNC male head, still including sleeve, the sleeve can be up and down and is covered with BNC female head and the connecting place of BNC male head, the inner thread of sleeve inner periphery is provided with, the outer thread of BNC male head outer periphery is correspondingly provided with;Still including sealing washer and second convex edge, the sealing washer is fixed with on the sleeve upper end face, the second convex edge is fixed with on the BNC male head outer periphery, when sleeve and BNC male head are connected after the thread, the sealing washer one end surface abuts on the second convex edge.

[0008] Further, it further includes first convex edge, the first convex edge is provided with recess, the sealing washer one end is fixedly embedded in recess, and the other end is exposed outside the first convex edge.

[0009] Further, it further includes the sealing piece of elastically deformable, the sleeve is provided with mounting hole, the sleeve is covered with BNC female head outside through the mounting hole, the edge of mounting hole is provided with sealing piece towards BNC female head, and the sealing piece is in abutment with the outer periphery of BNC female head.

[0010] Further, the sealing piece is rubber or silicone product.

[0011] Further, it further includes several convex, and several convex are annularly distributed on the outer periphery of sleeve.

[0012] Further, several convex are four-equal parts and are fixed on the outer periphery of sleeve.

[0013] Further, it further includes connecting wire and VGA connector, one end of connecting wire is electrically connected to BNC female head, and the other end is electrically connected to VGA connector.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] First, the inner thread on the sleeve is connected with the outer thread of BNC male head, forming a threaded locking structure. This structure can ensure that BNC male head and BNC female head will not easily loosen due to external force or vibration after connection, thereby improving the stability of the connection. The sealing washer can improve the sealing of BNC female head and BNC male head. The sealing washer can effectively prevent moisture, dust and other external pollutants from entering the interior of BNC female head and BNC male head, thereby protecting the internal electrical connection from damage.

[0016] Second, the convex provides a surface that is easy to hold for the user, making it easier for the user to rotate the sleeve. Compared with the smooth surface of the sleeve, the design of the convex makes the rotating action more labor-saving and less likely to slip, thereby simplifying the connection and disassembly process. The convex is distributed in four equal parts, so that the user can easily hold and rotate the sleeve from any angle. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0019] Figure 2 This is a three-dimensional structural diagram of the BNC female connector in this utility model;

[0020] Figure 3 This is an exploded view of the sleeve in this utility model;

[0021] Figure 4 This is a top view schematic diagram of the sleeve structure in this utility model;

[0022] Figure 5 This is a three-dimensional structural diagram of the BVC male connector in this utility model;

[0023] In the diagram: BNC female connector-1, sleeve-2, protrusion-21, internal thread-22, sealing ring-23, mounting groove-24, first raised edge-25, groove-251, mounting hole-26, seal-27, connecting wire-3, VGA connector-4, BNC male connector-A, external thread-A1, second raised edge-A2. Detailed Implementation

[0024] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be particularly noted that the following embodiments are only for illustrating the present invention and do not limit the scope of the present invention. Similarly, the following embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present invention.

[0025] like Figures 1 to 5 As shown, this solution provides a swivel-type terminal wire.

[0026] Please see Figure 1 , Figure 2 and Figure 5, comprising: a BNC female head 1 and a BNC male head A which are mutually plugged, and a sleeve 2 which is movably sleeved at the joint of the BNC female head 1 and the BNC male head A, the inner circumferential surface of the sleeve 2 is provided with an internal thread 22, and the outer circumferential surface of the BNC male head A is correspondingly provided with an external thread A1; the internal thread 22 on the sleeve 2 is connected with the external thread A1 of the BNC male head A to form a threaded locking structure, which can ensure that the BNC male head A and the BNC female head 1 will not be easily loosened due to external force or vibration after being connected, thereby improving the stability of the connection.

[0027] Please refer to Figure 1 、 Figure 2 and Figure 5 , further comprising a sealing ring 23 and a second protruding edge A2, the sealing ring 23 is fixedly arranged on the upper end surface of the sleeve 2, and the second protruding edge A2 is fixedly arranged on the outer circumferential surface of the BNC male head A, and when the sleeve 2 is threadedly connected with the BNC male head A, one end surface of the sealing ring 23 abuts against the second protruding edge A2. Preferably, the sleeve 2 is further provided with a first protruding edge 25 which extends outward from the upper end edge of the sleeve 2, the first protruding edge 25 is provided with a groove 251, and one end of the sealing ring 23 is fixedly embedded in the groove 251, and the other end is exposed outside the first protruding edge 25. Preferably, the sealing ring 23 is fixedly pasted in the groove 251 by glue. The sealing ring 23 can improve the sealing performance of the BNC female head 1 and the BNC male head A. The sealing ring 23 can effectively prevent external pollutants such as water and dust from entering the inside of the BNC female head 1 and the BNC male head A, thereby protecting the internal electrical connection from being damaged. When the sealing ring 23 abuts against the second protruding edge A2 on the outer circumferential surface of the BNC male head A, additional friction can be provided, which helps to prevent the BNC female head 1 and the BNC male head A from loosening due to vibration or external force. Further comprising a connecting wire 3 and a VGA connector 4, the VGA connector 4 is a direct application of the prior art, and will not be described here. One end of the connecting wire 3 is electrically connected to the BNC female head 1, and the other end is electrically connected to the VGA connector 4.

[0028] Please refer to Figure 3 and Figure 4 , further comprising an elastically deformable sealing member 27, the sleeve 2 is provided with a mounting hole 26, the sleeve 2 is sleeved outside the BNC female head 1 through the mounting hole 26, the edge of the mounting hole 26 is provided with the sealing member 27 which extends towards the BNC female head 1, and the sealing member 27 abuts against the outer circumferential surface of the BNC female head 1. The sealing member 27 is made of rubber or silicone. The sealing member 27 can fix the sleeve 2 to the outside of the BNC female head 1, and the elastically deformable performance of the sealing member 27 enables the sleeve 2 to move up and down outside the BNC female head 1.

[0029] Please refer to Figures 1 to 4The sleeve 2 further comprises a plurality of protrusions 21 annularly distributed on the outer circumferential surface of the sleeve 2. In the embodiment, the number of the protrusions 21 is four, and preferably, the plurality of protrusions 21 are equally divided and fixed on the outer circumferential surface of the sleeve 2. The protrusions 21 provide a surface easy to hold for the user, so that the user can more easily rotate the sleeve 2. Compared with the smooth surface of the sleeve 2, the design of the protrusions 21 makes the rotating action more labor-saving and less slippery, thereby simplifying the process of connection and disassembly. The equal division of the protrusions 21 enables the user to easily hold and rotate the sleeve 2 from any angle.

[0030] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalent ones; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A threaded terminal wire, characterized by, The utility model relates to a BNC female head (1) and a BNC male head (A) are inserted into each other, further include sleeve (2), sleeve (2) is movably sleeved at the junction of BNC female head (1) and BNC male head (A), the inner periphery of sleeve (2) is provided with internal thread (22), and the outer periphery of BNC male head (A) is correspondingly provided with external thread (A1), further include sealing ring (23) and second flange (A2), sealing ring (23) is fixed on the upper end surface of sleeve (2), and the outer periphery of BNC male head (A) is fixed with second flange (A2), when sleeve (2) is connected with BNC male head (A) by screw thread, one end surface of sealing ring (23) abuts against second flange (A2). Further include first flange (25), the upper end edge of sleeve (2) is provided with first flange (25) outwardly, and first flange (25) is provided with recess (251), and one end of sealing ring (23) is fixedly embedded in recess (251), and the other end is exposed outside first flange (25).

2. A threaded terminal according to claim 1, wherein Further include the sealing member (27) of elastically deformed, the sleeve (2) is provided with mounting hole (26), the sleeve (2) is sleeved outside BNC female head (1) by the mounting hole (26), and the edge of mounting hole (26) is provided with sealing member (27) outwardly to BNC female head (1), and sealing member (27) abuts against the outer periphery of BNC female head (1).

3. A threaded terminal according to claim 1, wherein The sealing member (27) is rubber or silicone product.

4. A threaded terminal according to claim 3, wherein the terminal body has a cylindrical shape. Further include several protrusions (21), and several protrusions (21) are annularly distributed on the outer periphery of sleeve (2).

5. A threaded terminal according to claim 1, wherein the terminal body has a cylindrical shape. Several protrusions (21) are equally divided and fixed on the outer periphery of sleeve (2).

6. A threaded terminal according to claim 5, wherein the terminal body has a cylindrical shape. Further include connecting wire (3) and VGA connector (4), one end of connecting wire (3) is electrically connected to BNC female head (1), and the other end is electrically connected to VGA connector (4).

7. A threaded terminal according to claim 1, wherein the terminal body has a cylindrical shape. Further include connecting wire (3) and VGA connector (4), one end of connecting wire (3) is electrically connected to BNC female head (1), and the other end is electrically connected to VGA connector (4).

Images