A waterproof connector that is easy to design and manufacture and that can provide sufficiently close contact with respect to a through hole including a tapered opening is provided. A sealing member that provides waterproofness of the waterproof connector includes an inner tube portion and an outer tube portion, and the connector body includes a holding projection. The holding projection is configured to be inserted between the inner tube portion and the outer tube portion from a rear side in an insertion direction and configured to push the outer tube portion against an inner circumferential face of the tapered opening when the sealing member is received between the outer circumferential face of the connector body and the inner circumferential face of the tapered opening.

A system for sealing a cable connection against external elements includes a duct, a first sealing portion and a second sealing portion. The duct has first and second ends and is configured to internally accommodate at least one cable connection element and an end of a cable. The first sealing portion is engageable to the first end of the duct such that when the first sealing portion is engaged to the first end of the duct, a watertight seal is created. The second sealing portion is engageable to the second end of the duct such that when the second sealing portion is engaged to the second end of the duct and the end of the cable is engaged to the second sealing portion, a watertight seal is created between the second sealing portion and the second end of the duct and between the second sealing portion and the end of the cable.

A system for sealing a cable connection against external elements includes a duct, a first sealing portion and a second sealing portion. The duct has first and second ends and is configured to internally accommodate at least one cable connection element and an end of a cable. The first sealing portion is engageable to the first end of the duct such that when the first sealing portion is engaged to the first end of the duct, a watertight seal is created. The second sealing portion is engageable to the second end of the duct such that when the second sealing portion is engaged to the second end of the duct and the end of the cable is engaged to the second sealing portion, a watertight seal is created between the second sealing portion and the second end of the duct and between the second sealing portion and the end of the cable.

An insert for a clamping device for clamping an armour layer of a cable in a cable gland is disclosed. The insert comprises a body (54) adapted to be received in a cable gland and defining an aperture (60) for receiving an inner part of a cable. A clamping portion (62) is adapted to engage an armour layer of the cable to clamp the armour layer between the clamping portion and a clamping member of the clamping device when the clamping member is arranged outwardly of the clamping portion. At least part of the clamping portion is displaceable inwards as a result of engagement of the clamping portion with the armour layer clamped between the clamping portion and the clamping member.

A water-resistant element, adapted to an opining, comprising a deformable body, a first plate and a second plate is provided. The first plate is disposed at and against a first side of the deformable body. The second plate is disposed at and against a second side of the deformable body. When the deformable body is disposed in the opening, a relative displacement between the first plate and the second plate is used to change a shape of the deformable body such that the deformable body closely fits the opening in order to block moisture from entering into the opening. In addition, an external connection wire module comprising the water-resistant element, an antenna box module comprising the external connection wire module and a method of fixing the water-resistant element at a housing are also provided.

A water-resistant element, adapted to an opining, comprising a deformable body, a first plate and a second plate is provided. The first plate is disposed at and against a first side of the deformable body. The second plate is disposed at and against a second side of the deformable body. When the deformable body is disposed in the opening, a relative displacement between the first plate and the second plate is used to change a shape of the deformable body such that the deformable body closely fits the opening in order to block moisture from entering into the opening. In addition, an external connection wire module comprising the water-resistant element, an antenna box module comprising the external connection wire module and a method of fixing the water-resistant element at a housing are also provided.

A conduit connection system is described herein. The system has a connecting member for connecting two or more sections of conduit which are fixed and electrically connected to the conduit using grub screws. A pair of threaded sleeves cover the connecting member and seals provided on the sleeves ensure waterproofing of the conduit junction.

A conduit connection system is described herein. The system has a connecting member for connecting two or more sections of conduit which are fixed and electrically connected to the conduit using grub screws. A pair of threaded sleeves cover the connecting member and seals provided on the sleeves ensure waterproofing of the conduit junction.

A sealing process of LED modules, comprising: (1) a waterproof wire goes through a wire-through hole of a heat sink to be connected with a positive-negative solder joints on a PCB board, wherein the positive-negative solder joint and the position that the waterproof wire going through are subjected to glue sealing treatment, and a waterproof sealing process is operated between the waterproof wire and the wire-through hole; (2) fix the PCB board on the heat sink; (3) place one sealing ring into one of the grooves; (4) apply evenly a ring of liquid silica gel along the other groove of the lens set and the amount of the liquid silica gel is limited to completely sticking the solid silica gel sealing ring; (5) the heat sink installed with the PCB board and the waterproof wire as processed in step (2) is inversely buckled on the lens set which is set with the solid silica gel ring and the liquid silica gel as processed in step (4), so as to fix the heat sink entirety and the lens set. At least two waterproof sealing rings are used for completely isolating an LED chip from the outside so as to prevent all water vapor or other harmful gases from corroding the chip and the PCB, and the sealing rings are firmer when being compared with thin film sealing; the service life is longer and the guarantees to the sealing performance between the lens set and the heat radiation frame are realized.

A sealing process of LED modules, comprising: (1) a waterproof wire goes through a wire-through hole of a heat sink to be connected with a positive-negative solder joints on a PCB board, wherein the positive-negative solder joint and the position that the waterproof wire going through are subjected to glue sealing treatment, and a waterproof sealing process is operated between the waterproof wire and the wire-through hole; (2) fix the PCB board on the heat sink; (3) place one sealing ring into one of the grooves; (4) apply evenly a ring of liquid silica gel along the other groove of the lens set and the amount of the liquid silica gel is limited to completely sticking the solid silica gel sealing ring; (5) the heat sink installed with the PCB board and the waterproof wire as processed in step (2) is inversely buckled on the lens set which is set with the solid silica gel ring and the liquid silica gel as processed in step (4), so as to fix the heat sink entirety and the lens set. At least two waterproof sealing rings are used for completely isolating an LED chip from the outside so as to prevent all water vapor or other harmful gases from corroding the chip and the PCB, and the sealing rings are firmer when being compared with thin film sealing; the service life is longer and the guarantees to the sealing performance between the lens set and the heat radiation frame are realized.