CN104633617A - Waterproof connecting structure of LED lamp - Google Patents

Abstract

The invention provides a waterproof connecting structure of an LED lamp, which comprises an outer sheath of a power line, a wire arranged in the outer sheath and a waterproof lock head connected with the outer sheath, wherein the wire comprises an inner sheath and a guide core wrapped with the inner sheath, and the waterproof lock head comprises a lock head component, and is characterized in that: one end of a power line positioned in the lock head assembly is a wire for stripping the outer sheath, the wire consists of an insulating section and a naked core section, the end part of the wire, which is close to the outer sheath, is the insulating section, two ends of the naked core section are connected with the insulating section, and the naked core section is positioned in the lock head assembly; the lock head assembly is characterized in that the inner cavity of the lock head assembly is filled with a waterproof insulator. The waterproof connecting structure is in an effective sealing state, so that other or liquid can be prevented from being transferred in the wire when negative pressure is generated, the waterproof problem is solved, and the service life of the LED lamp is prolonged.

Description

A waterproof connection structure for LED lamps

technical field

The present invention relates to a connection structure of solar LED lamps, especially a waterproof connection structure of LED lamps.

Background technique

At present, the waterproofing of LED lamps produced in China generally only considers the isolation of the outer sides of the wires and cables, and ignores that when there is a pressure difference between the two ends of the wires, the gas or liquid in the air can pass through the contact surface between the guide core and the insulating sheath. The inter-air path is transmitted from one end of the wire to the other end of the wire, resulting in a loss of pressure. When the pressure is lost, moist gas and rainwater will enter the electrical appliances or contact heads through the connection between the input and output connectors, and the passage between the guide core and the guide core insulation sheath, causing damage to the electrical appliances or contact heads, affecting the electrical appliances or contact heads. service life.

Contents of the invention

Aiming at the deficiencies of the prior art, the present invention provides a waterproof connection structure for LED lamps that can prevent gas or liquid from being transmitted in wires and cables.

The technical solution of the present invention is: a waterproof connection structure for LED lamps, including an outer sheath of a power cord, a wire arranged inside the outer sheath, and a waterproof lock connected to the outer sheath. There is a guide core with an inner sheath, and the waterproof lock head includes a lock head assembly, which is characterized in that: one end of the power cord located inside the lock head assembly is a wire stripped from the outer sheath, and the wire is composed of an insulating section and a bare wire. Core section, the wire near the end of the outer sheath is an insulating section, the two ends of the bare core section are connected to the insulating section, and the bare core section is located inside the lock assembly; the inner cavity of the lock assembly is filled with Waterproof insulator.

The water-proof insulator is closely bonded to the guide core of the bare core section, covers the connection portion of the insulation section and the bare core section, and fills the gap between the inner sheath of the connection portion and the guide core.

The water-proof insulator is closely bonded to the insulating section at the end of the outer sheath, covers the end of the outer sheath and fills the gap between the outer sheath and the insulating section at the end of the outer sheath.

The bare core section is the wire stripped of the inner sheath, and the insulating section shown is the wire covered with the inner sheath.

The waterproof lock head also includes a tapered sealing ring and an O-shaped sealing ring. One end of the lock head assembly is provided with a tapered sealing ring, and the tapered sealing ring is sleeved on the outer sheath of the power cord. An O-shaped sealing ring is connected to the outer casing of the middle part of the lock head assembly, and the O-shaped sealing ring is arranged at the joint between the waterproof lock head and the lamp.

The outer sheath passes through the small head end of the tapered sealing ring and protrudes a section.

The gap between the small end of the tapered sealing ring and the end of the lock head assembly and the outer sheath is filled with a water-proof insulator.

There are multiple wires, and the ends of the outer sheaths of the wires are connected as a whole with the water-proof insulators at the ends of the inner sheaths of each insulating section.

The water-proof insulators are connected as a whole.

The water-proof insulator is a cured epoxy resin glue.

The beneficial effects of the present invention are: the end of the conical sealing ring, the end of the outer sheath and the end of the insulating section are all provided with a water-proof insulator, and the water-proof insulator is also tightly bonded to the guide core, so that the inner sheath and the guide core There is a sealed state between the guide core and the outer sheath. There is no longer a communication channel between the outer sheath and the waterproof lock head, which can prevent the transfer of other or liquid in the wire when negative pressure is generated. , Solve the waterproof problem and prolong the service life of LED lamps.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the cross-sectional structure schematic diagram of the present invention;

In the figure: 1-power cord, 11-outer sheath, 2-wire, 21-inner sheath, 22-guide core, 3-waterproof lock head, 4-insulation section, 5-bare core section, 6-waterproof Insulator, 31-lock head assembly, 32-inner cavity, 33-tapered sealing ring, 34-O-shaped sealing ring.

Detailed ways

The specific embodiment of the present invention will be further described below in conjunction with accompanying drawing:

As shown in Figure 1-2, a LED lamp waterproof connection structure, including the outer sheath 11 of the power cord 1, the wire 2 arranged inside the outer sheath 11, and the waterproof lock 3 connected to the outer sheath 11, said The wire 2 includes an inner sheath 21, a guide core 22 wrapped with the inner sheath 21, the waterproof lock 3 includes a lock assembly 31, and one end of the power cord 1 located inside the lock assembly 31 is stripped of the outer sheath 11 wire 2, the wire 2 is composed of an insulating section 4 and a bare core section 5, the end of the wire 2 near the outer sheath 11 is an insulating section 4, and the two ends of the bare core section 5 are connected to the insulating section 4 , the bare core segment 5 is located inside the lock assembly 31 ; the inner chamber 32 of the lock assembly 31 is filled with a water-proof insulator 6 .

The water-proof insulator 6 is tightly bonded to the guide core 22 of the bare core segment 5 , covers the connection portion between the insulation segment 4 and the bare core segment 5 and fills the gap between the inner sheath 21 and the guide core 22 of the connection portion.

The water-proof insulator 6 is tightly bonded to the insulating section 4 at the end of the outer sheath 11, covering the end of the outer sheath 11 and filling the gap between the outer sheath 11 and the insulating section 4 at the end of the outer sheath 11 gap.

The bare core segment 5 is the wire 2 stripped of the inner sheath 21 , and the insulating segment 4 shown is the wire 2 covered with the inner sheath 21 .

The waterproof lock head 3 also includes a conical sealing ring 33 and an O-ring sealing ring 34. One end of the lock head assembly 31 is provided with a conical sealing ring 33, and the conical sealing ring 33 is sleeved on the power supply On the outer sheath 11 of the wire 1, an O-ring seal 34 is attached to the outer sheath of the middle part of the lock assembly 31, and the O-ring 34 is arranged at the joint between the waterproof lock head 3 and the lamp.

The outer sheath 11 passes through the small head end of the conical sealing ring 33 and protrudes a section.

The gap between the small end of the tapered sealing ring 33 and the end of the lock assembly 31 and the outer sheath 11 is filled with the water-proof insulator 6 .

There are three wires 2, and the ends of the outer sheath 11 of the wires 2 are connected with the water-proof insulator 6 at the end of the inner sheath 21 of each insulation section 4 as a whole.

The water-proof insulator 6 is connected as a whole.

The water-proof insulator 6 is a cured epoxy resin glue.

The end of the tapered sealing ring 33, the end of the outer sheath 11 and the end of the insulating section 4 are all provided with a water-proof insulator 6, and the water-proof insulator 6 is also tightly bonded to the guide core 22, so that the inner sheath 21 and The guide core 22 is in a sealed state, and there is no longer a communication channel between the guide core 22 and the outer sheath 11, and the outer sheath 11 and the waterproof lock head 3 are in an effective sealed state, which can prevent other Or the transmission of liquid in the wire solves the problem of waterproofing and prolongs the service life of LED lamps.

What described in above-mentioned embodiment and description just illustrate the principle of the present invention and preferred embodiment, under the premise of not departing from the spirit and scope of the present invention, the present invention also can have various changes and improvements, and these changes and improvements all fall into within the scope of the claimed invention.

Claims (10)

1. a LED lamp waterproof connecting structure, the Waterproof lock comprising the oversheath of power line, be arranged on the wire of oversheath inside, be connected with oversheath, described wire comprises inner sheath, be enclosed with inner sheath lead core, described Waterproof lock comprises lock head component, it is characterized in that: the power line one end being positioned at described lock head component inside is the wire peeling off oversheath, described wire is made up of insulating segment and naked core section, described wire is insulating segment near oversheath end, described naked core section two ends are connected with insulating segment, and described naked core section is positioned at lock head component inside; Described lock head component inner chamber is full of water proof insulator.

2. LED lamp waterproof connecting structure according to claim 1, is characterized in that: described water proof insulator and the core of leading of naked core section closely bond, and covers the connecting portion of insulating segment and naked core section and the inner sheath being full of connecting portion and the gap of leading between core.

3. LED lamp waterproof connecting structure according to claim 1 and 2, it is characterized in that: the insulating segment at described water proof insulator and described oversheath end place closely bonds, cover oversheath end and the gap be full of between the oversheath of oversheath end and insulating segment.

4. LED lamp waterproof connecting structure according to claim 1, is characterized in that: described naked core section is peel off the wire of inner sheath, and shown insulating segment is the wire being coated with inner sheath.

5. LED lamp waterproof connecting structure according to claim 1, it is characterized in that: described Waterproof lock also comprises conical seal ring, O-ring seals, one end in described lock head component is provided with conical seal ring, described conical seal ring is socketed on the oversheath of power line, be socketed with O-ring seals outside in the middle part of lock head component, described O-ring seals is arranged on the junction of Waterproof lock and light fixture.

6. LED lamp waterproof connecting structure according to claim 1, is characterized in that: described oversheath passes the little head end of conical seal ring and stretches out one section.

7. LED lamp waterproof connecting structure according to claim 1, is characterized in that: the gap between the little head end of described conical seal ring and lock head component, oversheath end is all full of water proof insulator.

8. LED lamp waterproof connecting structure according to claim 1, is characterized in that: described wire has many, and the oversheath end of wire and the water proof insulator of each insulating segment inner sheath end are connected as a single entity.

9. LED lamp waterproof connecting structure according to claim 1, is characterized in that: described water proof insulator is connected as a single entity.

10. LED lamp waterproof connecting structure according to claim 1, is characterized in that: described water proof insulator is epoxy resin glue firming body.