Waterproof cable butt joint type plug

Abstract

The utility model discloses a waterproof cable butt joint type plug, which comprises a butt joint type plug, a male head of the butt joint type plug and wood are in threaded connection after being plugged into each other, and cable mounting grooves arranged at one end of the male head and one end of a female head of the butt joint type plug; the conical fixing cylinder sleeves one end of the male head and one end of the female head of the butt joint type plug and is in threaded connection with the male head and the female head; and the fusiform sealing mechanism is arranged between the cable mounting groove and the conical fixing cylinder. According to the utility model, the fusiform sealing mechanism is arranged, so that when the waterproof cable is connected with the butt joint type plug, the waterproof effect of the butt joint type plug can be ensured through a multi-sealing mode, the leakproofness of the connection of the waterproof cable and the butt joint type plug can be ensured, and the problem of cable short circuit caused by waterproof failure can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field related to electronic information, in particular to a waterproof cable docking plug. Background Art

[0002] Cables are usually rope-like cables made of several or several groups of wires (at least two wires in each group), each group of wires is insulated from each other and often twisted around a center, with a highly insulating covering on the outside. They are often installed in the air or underground or underwater for telecommunications or power transmission. When waterproof cables are docked, docking plugs are often used for quick docking. However, the current docking plugs for waterproof cables cannot pass IP67 100%, with a failure rate of up to 15%. The main reason is that there are fewer sealing methods, resulting in the inability to achieve a waterproof effect when the waterproof cable is connected to the docking plug. Utility Model Content

[0003] In order to solve the problems raised in the above background technology, the utility model provides a waterproof cable docking plug.

[0004] The technical solution of the utility model to achieve the above-mentioned purpose is a waterproof cable butt plug, including a butt plug, a male head of the butt plug and a wood are connected by threads after being plugged in, and also includes:

[0005] The cable installation groove is opened at one end of the male and female ends of the docking plug, and the outer end thereof is a conical extrusion opening, and the inner diameter of the conical extrusion opening is smaller than the inner diameter of the cable installation groove;

[0006] The conical fixing cylinder is mounted on one end of the male and female ends of the docking plug and is threadedly connected thereto, and an extrusion sealing hole is opened at the center of one end;

[0007] The shuttle-shaped sealing mechanism is arranged between the cable installation groove and the conical fixing cylinder, and comprises:

[0008] The semi-shuttle annular female connector is sleeved on the cable and movably embedded in the conical fixed cylinder. A shuttle-shaped elastic sealing ring is installed on its outer surface. The shuttle-shaped elastic sealing ring is located between the semi-shuttle annular female connector and the conical fixed cylinder. One end of the shuttle-shaped elastic sealing ring is sleeved on the cable and extends out of the conical fixed cylinder through the extrusion sealing hole. An extrusion sealing half groove is opened at one end of the female connector slot.

[0009] The semi-shuttle annular male plug is sleeved on the cable and movably embedded in the conical extrusion opening of the cable installation groove, and is threadedly connected with the semi-shuttle annular female plug. The same shuttle-shaped elastic sealing ring is installed on its outer surface. The shuttle-shaped elastic sealing ring is located between the semi-shuttle annular male plug and the conical extrusion opening. The same extrusion sealing half groove is opened at one end of the male plug;

[0010] The annular extrusion pad is sleeved on the cable and is located between the semi-shuttle annular female head and the semi-shuttle annular male head, and is embedded in two extrusion sealing half grooves. Its cross section is an isosceles trapezoid.

[0011] As a waterproof cable docking plug of the utility model, the inner diameter of the shuttle-shaped elastic sealing ring is smaller than the outer diameter of the cable, and the outer diameter of the shuttle-shaped elastic sealing ring is larger than the diameter of the extrusion sealing hole.

[0012] As a waterproof cable docking plug of the utility model, when the conical fixing cylinder is threadedly installed on the male and female heads of the docking plug, sealing is performed by extruding a sealing gasket, which is arranged between the conical fixing cylinder and the male and female heads of the docking plug.

[0013] As a waterproof cable butt plug of the utility model, a waterproof soft pad is arranged at the butt joint of the male and female heads of the butt plug, and a small annular pad is arranged on the male plug of the butt plug, and the small annular pad is slidably inserted into the slot on the female head of the butt plug.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. By using the shuttle-shaped sealing mechanism, when the waterproof cable is connected to the docking plug, the waterproof effect of the docking plug can be ensured through multiple sealing methods, the airtightness of the connection between the waterproof cable and the docking plug can be ensured, and the problem of cable short circuit caused by waterproof failure can be avoided.

[0016] 2. By using multiple waterproof cushions and small ring-shaped cushions for sealing, the male and female heads of the docking plug can be effectively waterproofed when docking, avoiding the occurrence of short circuit problems at the plug-in parts and ensuring the waterproof effect of the docking plug. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a waterproof cable docking plug described in the utility model;

[0018] Figure 2 is a cross-sectional view of the docking plug of the utility model;

[0019] Figure 3 It is a cross-sectional view of the shuttle-shaped sealing mechanism of the utility model;

[0020] In the figure:

[0021] 1. Docking plug; 11. Cable installation groove; 111. Conical extrusion port; 12. Conical fixing cylinder; 121. Extrusion sealing hole; 13. Extrusion sealing pad; 14. Waterproof soft pad; 15. Small ring pad.

[0022] 2. Shuttle sealing mechanism; 21. Semi-shuttle annular female head; 211. Shuttle elastic sealing ring; 212. Extrusion sealing half groove; 22. Semi-shuttle annular male head; 23. Annular extrusion pad. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The utility model provides a technical solution, such as Figure 1-Figure 3 As shown; a waterproof cable docking plug, including a docking plug 1, the male head of the docking plug 1 and the wood are connected by threads after being plugged in, and also includes: a cable installation groove 11, which is opened at one end of the male head and the female head of the docking plug 1, and its outer end is a tapered extrusion port 111, and the inner diameter of the tapered extrusion port 111 is smaller than the inner diameter of the cable installation groove 11; a tapered fixing cylinder 12, which is sleeved on one end of the male head and the female head of the docking plug 1 and is threadedly connected thereto, and an extrusion sealing hole 121 is opened at the center of one end.

[0025] In the embodiment of the utility model, the cable installation groove 11 is arranged so that the conical extrusion port 111 can cooperate with the shuttle-shaped sealing mechanism 2 to perform sealing, thereby ensuring the waterproof effect of the device. Secondly, it can facilitate the quick connection between the waterproof cable and the male and female heads of the docking plug 1.

[0026] In the embodiment of the utility model, the setting of the conical fixing cylinder 12 can be used to quickly connect the male and female heads of the docking plug 1 through threads, thereby improving the installation efficiency. The setting of the extrusion sealing hole 121 can facilitate the installation of the conical fixing cylinder 12 on the cable on the one hand, and on the other hand, the extrusion sealing hole 21 can be used to squeeze the shuttle-shaped elastic sealing ring 211 to maintain a waterproof seal between the conical fixing cylinder 12 and the cable.

[0027] The shuttle-shaped sealing mechanism 2 is arranged between the cable installation groove 11 and the conical fixing cylinder 12, and comprises: a semi-shuttle annular female head 21, which is sleeved on the cable and movably embedded in the conical fixing cylinder 12, and a shuttle-shaped elastic sealing ring 211 is installed on its outer surface, and the shuttle-shaped elastic sealing ring 211 is located between the semi-shuttle annular female head 21 and the conical fixing cylinder 12, and one end of the shuttle-shaped elastic sealing ring 211 is sleeved on the cable and extends out of the conical fixing cylinder 12 through the extrusion sealing hole 121, and an extrusion sealing half groove 212 is opened at one end of the female head slot; a semi-shuttle annular male head 22, which is sleeved On the cable, it is movably embedded in the tapered extrusion port 111 of the cable installation groove 11, and is threadedly connected to the semi-shuttle annular female head 21, and the same shuttle-shaped elastic sealing ring 211 is installed on its outer surface, and the shuttle-shaped elastic sealing ring 211 is located between the semi-shuttle annular male head 22 and the tapered extrusion port 111, and the same extrusion sealing half groove 212 is opened at one end of the male plug; the annular extrusion pad 23 is sleeved on the cable and is located between the semi-shuttle annular female head 21 and the semi-shuttle annular male head 22, and is embedded in the two extrusion sealing half grooves 212, and its cross section is an isosceles trapezoid.

[0028] In the embodiment of the utility model, the threads of the semi-shuttle annular female head 21 and the semi-shuttle annular male head 22 are connected and sleeved on the cable, and then the annular extrusion pad 23 is squeezed to make the cable able to maintain a seal with the semi-shuttle annular female head 21 and the semi-shuttle annular male head 22. At the same time, by setting the shuttle-shaped elastic sealing ring 211, the shuttle-shaped sealing mechanism 2 can be installed between the conical fixing cylinder 12 and the cable installation groove 11. Multiple seals can be used to ensure the airtightness of the connection between the waterproof cable and the docking plug 1 and ensure the waterproof effect.

[0029] In the embodiment of the utility model, the threaded connection between the conical fixing cylinder 12 and the docking plug 1 is utilized to make the conical fixing cylinder 12 squeeze the shuttle-shaped sealing mechanism 2, and the shuttle-shaped elastic sealing ring 211 is squeezed to ensure the airtight connection between the waterproof cable and the docking plug 1, thereby ensuring the waterproof effect.

[0030] As a waterproof cable docking plug of the utility model, the inner diameter of the shuttle-shaped elastic sealing ring 211 is smaller than the outer diameter of the cable, and the outer diameter of the shuttle-shaped elastic sealing ring 211 is larger than the diameter of the extrusion sealing hole 121, thereby ensuring the tightness of the shuttle-shaped elastic sealing ring 211 in contact with the outer surface of the waterproof cable to avoid water leakage.

[0031] As a waterproof cable docking plug of the utility model, when the conical fixing cylinder 12 is threadedly installed on the male and female heads of the docking plug 1, sealing is performed by squeezing the sealing gasket 13, and the squeezing sealing gasket 13 is arranged between the conical fixing cylinder 12 and the male and female heads of the docking plug 1; the squeezing method is used to ensure that the waterproof cable is installed firmly and airtightly to avoid water leakage.

[0032] As a waterproof cable docking plug of the utility model, a waterproof soft pad 14 is arranged at the docking position of the male and female heads of the docking plug 1, and a small annular pad 15 is arranged on the male plug of the docking plug 1, and the small annular pad 15 is slidably inserted into the slot on the female head of the docking plug 1; the waterproof effect can be better when the male and female heads of the docking plug 1 are docked, and water leakage can be avoided.

[0033] When the utility model is used specifically, a worker takes out the device and moves it to the butt joint of two waterproof cables.

[0034] First, the staff takes out the conical fixing cylinder 12 and the shuttle-shaped sealing mechanism 2, and respectively sets them on the two waterproof cables, and then respectively connects the male and female heads of the docking plug 1 to the two waterproof cables.

[0035] After the installation is completed, the staff moves the semi-shuttle annular male head 22 into the conical extrusion port 111, and then pushes the annular extrusion pad 23 into the extrusion sealing half groove 212, and then moves the semi-shuttle annular female head 21 close to the semi-shuttle annular male head 22, and rotates the semi-shuttle annular female head 21 to fix the two together through a threaded connection, and at the same time, the two can be used to squeeze the annular extrusion pad 23, so that the annular extrusion pad 23 can seal the outer surface of the waterproof electricity.

[0036] Finally, the staff pushes the conical fixing cylinder 12 to make it close to the male and female heads of the docking plug 1, and rotates the conical fixing cylinder 12 to install it on the docking plug 1 through a threaded connection. At the same time, the two shuttle-shaped elastic sealing rings 211 in the shuttle-shaped sealing mechanism 2 are squeezed to seal and separate the inside, and the shuttle-shaped elastic sealing ring 211 is squeezed through the sealing hole 121 to seal the cable in the sealing hole 121, and the conical fixing cylinder 12 is sealed with the docking plug 1 by squeezing the sealing pad 13.

[0037] When the male and female heads of the docking plug 1 are respectively connected to the waterproof cable, the staff can then insert the male and female heads of the docking plug 1 together and fix them by means of threaded connection. At the same time, the male and female heads of the docking plug 1 are respectively squeezed on the waterproof cushion 14 to perform waterproof sealing, and the plug on the male head of the docking plug 1 uses the small annular pad 15 to seal the slot on the female head, thereby once again ensuring the waterproof effect of the device.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0039] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A waterproof cable butt plug, comprising a butt plug, wherein the male head of the butt plug and the wood are connected by threads after being plugged in, characterized in that: Also includes: The cable installation groove is opened at one end of the male and female ends of the docking plug, and the outer end thereof is a conical extrusion opening, and the inner diameter of the conical extrusion opening is smaller than the inner diameter of the cable installation groove; The conical fixing cylinder is mounted on one end of the male and female ends of the docking plug and is threadedly connected thereto, and an extrusion sealing hole is opened at the center of one end; The shuttle-shaped sealing mechanism is arranged between the cable installation groove and the conical fixing cylinder, and comprises: The semi-shuttle annular female connector is sleeved on the cable and movably embedded in the conical fixed cylinder. A shuttle-shaped elastic sealing ring is installed on its outer surface. The shuttle-shaped elastic sealing ring is located between the semi-shuttle annular female connector and the conical fixed cylinder. One end of the shuttle-shaped elastic sealing ring is sleeved on the cable and extends out of the conical fixed cylinder through the extrusion sealing hole. An extrusion sealing half groove is opened at one end of the female connector slot. The semi-shuttle annular male plug is sleeved on the cable and movably embedded in the conical extrusion opening of the cable installation groove, and is threadedly connected with the semi-shuttle annular female plug. The same shuttle-shaped elastic sealing ring is installed on its outer surface. The shuttle-shaped elastic sealing ring is located between the semi-shuttle annular male plug and the conical extrusion opening. The same extrusion sealing half groove is opened at one end of the male plug; The annular extrusion pad is sleeved on the cable and is located between the semi-shuttle annular female head and the semi-shuttle annular male head, and is embedded in two extrusion sealing half grooves. Its cross section is an isosceles trapezoid.

2. A waterproof cable butt plug according to claim 1, characterized in that: The inner diameter of the shuttle-shaped elastic sealing ring is smaller than the outer diameter of the cable, and the outer diameter of the shuttle-shaped elastic sealing ring is larger than the diameter of the extrusion sealing hole.

3. A waterproof cable butt plug according to claim 1, characterized in that: When the conical fixing cylinder is threadedly mounted on the male and female heads of the docking plug, sealing is performed by extruding a sealing gasket, which is arranged between the conical fixing cylinder and the male and female heads of the docking plug.

4. A waterproof cable butt plug according to claim 1, characterized in that: A waterproof cushion is arranged at the joint of the male and female heads of the docking plug, and a small annular cushion is arranged on the male head of the docking plug, which is slidably inserted into a slot on the female head of the docking plug.

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