Cable plug connecting structure

Abstract

The utility model discloses a cable plug connection structure, which comprises a plug, a communication cable and a metal shell, the plug is in threaded connection with the metal shell, the communication cable is inserted into the metal shell and is electrically connected with the plug, and the tail part of the metal shell tightly presses the communication cable; the metal shell is sleeved with a silicon rubber sleeve. The plug is in threaded connection through the metal shell, the communication cable penetrates into the metal shell to be connected with the plug, the tail of the metal shell is clamped and deformed, and then the communication cable is pressed, so that the plug is stably connected relative to the metal shell, and the communication cable is also pressed by the metal shell; the connecting part between the plug and the communication cable is well protected, and the plug is not easy to fall off under the stress condition.

Description

Technical Field

[0001] The utility model relates to the technical field of communication cable connector connection, in particular to a cable plug connection structure. Background Art

[0002] Remote communication in mines is achieved by wired communication using communication cables. After the existing communication cables are connected to the plugs, they can be directly dragged to move, and the quick plug-in function of the plugs can be used to quickly plug and match with the communication equipment. After the communication cables are connected to the plugs, they are covered with thermoplastic tubes to achieve insulation protection and relative fixation. In actual applications, there is a large pulling force on the connection parts, which easily causes the risk of the plug and the communication cable being separated. Utility Model Content

[0003] 1. Technical issues

[0004] The utility model aims to provide a cable plug connection structure to solve the problem that the existing communication cable and plug connection structure are easily separated after being stressed.

[0005] (II) Technical solution

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A cable plug connection structure comprises a plug, a communication cable and a metal shell, wherein the plug is threadedly connected to the metal shell, the communication cable is inserted into the metal shell and electrically connected to the plug, and the tail of the metal shell presses the communication cable; a silicone sleeve is provided on the metal shell.

[0008] Preferably, the metal shell is filled with epoxy resin.

[0009] Preferably, the metal shell is provided with an inlet hole for guiding the epoxy resin.

[0010] Preferably, the communication cable comprises a metal mesh shielding layer, and the metal mesh shielding layer is conductively connected to the metal casing.

[0011] Preferably, the plug comprises a connecting portion and a plug post arranged on the connecting portion, and the connecting portion is provided with a plug-in portion for connecting the communication cable.

[0012] Preferably, the connecting portion is provided with an external thread structure, and the metal shell is provided with an internal thread structure matching with the external thread structure.

[0013] Preferably, a plurality of ridges are provided at intervals on the silicone sleeve.

[0014] Preferably, the inner diameter of the silicone sleeve is smaller than the outer diameter of the metal shell.

[0015] (III) Beneficial effects

[0016] The plug is threadedly connected through the metal shell, and after the communication cable is inserted into the metal shell and connected to the plug, the tail of the metal shell is clamped and deformed to press the communication cable, thereby making the plug stably connected to the metal shell, and the communication cable is also pressed by the metal shell, which provides good protection for the connection between the plug and the communication cable, and will not fall off easily under stress;

[0017] The use of a metal shell can form an interference shield for the connection parts to avoid communication interference. At the same time, a silicone sleeve is provided on the outside of the metal shell to facilitate insulation through the silicone sleeve and to facilitate holding to achieve the plug-in operation of the entire structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0019] Figure 2 It is a cross-sectional structural schematic diagram of an embodiment of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the embodiment of the utility model without the silicone sleeve;

[0021] Figure 4 It is a cross-sectional structural schematic diagram of an embodiment of the utility model;

[0022] exist Figures 1 to 4 In the figure, the corresponding relationship between the component names or lines and the figure numbers is as follows:

[0023] Plug 1 , connecting portion 11 , plug post 12 , plugging portion 13 , metal shell 2 , introduction hole 20 , communication cable 3 , silicone sleeve 4 , convex ridge 41 . DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] See also Figure 1-Figure 4As shown, in the embodiment of the utility model, a cable plug 1 connection structure is proposed, including a plug 1, a communication cable 3 and a metal shell 2, wherein the plug 1 is threadedly connected to the metal shell 2, and the plug 1 will not fall off relative to the metal shell 2 after being threadedly connected to the metal shell 2, and the threaded connection structure has a good tensile bearing effect, further ensuring the connection stability of the plug 1; at the same time, the communication cable 3 is inserted into the metal shell 2 and electrically connected to the plug 1, and the tail of the metal shell 2 presses the communication cable 3, and after the end of the communication cable 3 inserted into the metal shell 2 is connected to the plug 1, the tail of the metal shell 2 is clamped and deformed to press the communication cable 3, so that even if the communication cable 3 is subjected to tension, the force will not be transmitted to the connection part between the communication cable 3 and the plug 1, and the communication reliability and stability can be maintained. At the same time, the metal shell 2 can form an interference shield for the connection part to avoid interference during the communication process.

[0026] In order to facilitate insulation and holding for plugging of the entire structure, a silicone sleeve 4 is provided on the metal shell 2. Specifically, a plurality of ridges 41 are provided at intervals on the silicone sleeve 4 to increase friction when holding and facilitate the gripping operation.

[0027] In order to ensure the connection stability between the silicone sleeve 4 and the metal shell 2, the inner diameter of the silicone sleeve 4 is made smaller than the outer diameter of the metal shell 2. The silicone sleeve 4 is stably covered on the metal shell 2 by utilizing the deformation elastic force. The silicone sleeve 4 will not easily slip off the metal shell 2 when plugged and unplugged with force.

[0028] Specifically, in order to achieve anti-vibration protection and insulation protection for the internal connection parts, epoxy resin is filled in the metal shell 2, and the connection parts are coated by the flowing epoxy resin, and the connection parts are further fixed and insulated after drying.

[0029] In order to facilitate the introduction of epoxy resin into the metal shell 2 , an introduction hole 20 for guiding the epoxy resin is specifically opened on the metal shell 2 .

[0030] Specifically, the plug 1 is used to connect the communication cable 3 and to plug the communication device, and the plug 1 includes a connecting portion 11 and a plug post 12 provided on the connecting portion 11, the connecting portion 11 is provided with a plug-in portion 13 for connecting the communication cable 3, the plug post 12 is a columnar structure of universal size, which can match the communication device for plugging, and the connecting portion 11 is used to reliably connect the plug 1 to the metal housing 2. The plug-in portion 13 is a structure for matching the thin cables in the communication cable 3 for respective connection, and a conventional thin cable connector can be used.

[0031] Meanwhile, an external thread structure is provided on the connecting portion 11, and an internal thread structure matching with the external thread structure is provided on the metal shell 2. The connecting portion 11 is connected to the metal shell 2 through thread matching.

[0032] It should also be noted that the material of the metal shell 2 can be a shielding material to achieve interference shielding for internal communications. At the same time, the communication cable 3 includes a metal mesh shielding layer, which is conductively connected to the metal shell 2. By connecting the metal mesh shielding layer to the metal shell 2, the entire cable can be kept in a shielded state without any leakage points.

[0033] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it 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 the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0035] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A cable plug connection structure, characterized in that: It comprises a plug, a communication cable and a metal shell, wherein the plug is threadedly connected to the metal shell, the communication cable is inserted into the metal shell and electrically connected to the plug, and the tail of the metal shell presses the communication cable tightly; The metal shell is covered with a silicone sleeve.

2. A cable plug connection structure according to claim 1, characterized in that: The metal shell is filled with epoxy resin.

3. A cable plug connection structure according to claim 2, characterized in that: The metal shell is provided with an introduction hole for guiding the epoxy resin.

4. A cable plug connection structure according to claim 1, characterized in that: The communication cable comprises a metal mesh shielding layer, and the metal mesh shielding layer is conductively connected to the metal shell.

5. A cable plug connection structure according to any one of claims 1 to 4, characterized in that: The plug comprises a connecting portion and a plug post arranged on the connecting portion, and the connecting portion is provided with a plug-in portion for connecting the communication cable.

6. A cable plug connection structure according to claim 5, characterized in that: The connecting portion is provided with an external thread structure, and the metal shell is provided with an internal thread structure matching with the external thread structure.

7. A cable plug connection structure according to any one of claims 1 to 4, characterized in that: The silicone sleeve is provided with a plurality of convex ridges at intervals.

8. A cable plug connection structure according to claim 7, characterized in that: The inner diameter of the silicone sleeve is smaller than the outer diameter of the metal shell.

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