Electric connector suitable for severe environment

Abstract

The utility model relates to an electric connector suitable for harsh environment, which comprises a nylon sheath, an aluminum protective sleeve, a retaining aluminum ring and a thermal shrinkage skirt sleeve leather, the nylon sheath is of a one-step formed two-step cylindrical structure, the top end of the nylon sheath is a hemispherical closed end head, the end head passes through a cylindrical thin tube portion downwards, and the end head is provided with a hollow cavity. A circumferential second-order edge which expands outwards is formed at the lower end of the second-order edge; the aluminum protective sleeve is fixed on the inner wall of the thin tube part of the nylon sheath, the retaining aluminum ring is fixed on the inner wall of the second-order edge of the nylon sheath, and the thermal shrinkage skirt sheath is fixed on the outer wall of the second-order edge of the nylon sheath. The electric connector is convenient and safe to use, can effectively isolate and protect a wiring position in a severe environment or under the action of external force, enables a joint area to have an anti-drop function, guarantees the electric connection effect of a joint, and is especially suitable for butt joint of hard copper wires of more than 1.0 square meter.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric appliance accessories, and particularly relates to an electric connector suitable for harsh environment. BACKGROUND

[0002] The electric connector is a device for connecting two wire joints and ensuring electrical connection. The traditional way of connecting wires is to strip the copper wire ends of both ends of the wire, then twist the ends into one, and wrap them with electrician's tape. This electrical connection method not only has a large amount of operation and poor safety, but also is prone to tape peeling, cracking, interlayer peeling, and seam lifting under the action of long-term harsh environment or external force, which causes the position to lose insulation protection, resulting in partial exposure, water vapor intrusion, or electrical performance degradation at the joint. However, existing electric connectors are designed to improve work efficiency and use convenient connection joints to speed up wiring, lacking effective design for harsh environments. SUMMARY

[0003] The utility model solves the technical problem of providing an electric connector suitable for harsh environment, which is convenient and safe to use, can effectively isolate and protect the wiring position under harsh environment or external force, and has a anti-disconnection function in the joint area, ensuring the electrical connection effect of the connection, especially suitable for hard copper wire butt joint of 1.0 square or more.

[0004] The electric connector suitable for harsh environment includes a nylon sheath as the main body, an aluminum protective sleeve fixed to the inner side of the upper part of the nylon sheath, a stop aluminum ring fixed to the inner side of the lower edge of the nylon sheath, and a heat shrinkable skirt sleeve fixed to the outer part of the lower edge of the nylon sheath, wherein the nylon sheath is a two-step cylindrical structure formed in one piece, the top end of the nylon sheath is a hemispherical closed end, which extends downward through a cylindrical tube part, and forms a two-step edge with a circumferential outward diameter at the lower end; the aluminum protective sleeve is fixed to the inner wall of the tube part of the nylon sheath, the stop aluminum ring is fixed to the inner wall of the two-step edge of the nylon sheath, and the heat shrinkable skirt sleeve is fixed to the outer wall of the two-step edge of the nylon sheath.

[0005] Further, the closed end is filled with conductive glue.

[0006] Further, the stop aluminum ring is in the shape of a narrow ring, and a plurality of convex horizontal lines are formed on the inner side of the stop aluminum ring.

[0007] Further, the heat shrinkable skirt sleeve extends downward below the two-step edge.

[0008] This utility model discloses an electrical connector suitable for harsh environments. It is convenient and safe to use, and can effectively isolate and protect the wiring position under harsh environments or external forces. At the same time, it makes the connector area have an anti-disconnection function, ensuring the electrical connection effect at the connection point. It is especially suitable for the butt connection of hard copper wires with a cross-sectional area of ​​1.0 square millimeters or more. Attached Figure Description

[0009] The following description, in conjunction with the accompanying drawings, further illustrates an electrical connector suitable for harsh environments according to this utility model:

[0010] Figure 1 This is a schematic diagram of the planar structure of an electrical connector suitable for harsh environments;

[0011] Figure 2 yes Figure 1 A top-down view of the three-dimensional structure;

[0012] Figure 3 yes Figure 1 A three-dimensional structural diagram viewed from below;

[0013] Figure 4 yes Figure 1 AA-direction cross-section.

[0014] In the picture:

[0015] 1-Nylon sheath; 11-Closed end; 12-Slim tube section; 13-Secondary edge;

[0016] 2-Aluminum protective sleeve;

[0017] 3-Anti-reverse aluminum ring; 31-Horizontal stripes;

[0018] 4-Heat shrink skirt overlay;

[0019] 5-Conductive adhesive. Detailed Implementation

[0020] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0021] In the description of this utility model, it should be understood that the terms "left", "right", "front", "rear", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0022] The present invention will be further described below with specific embodiments, but the scope of protection of the present invention is not limited to the following embodiments.

[0023] Implementation method 1: such as Figures 1 to 4 As shown, this electrical connector suitable for harsh environments includes a nylon sheath 1 as the main body, an aluminum protective sleeve 2 fixed to the inner side of the upper part of the nylon sheath 1, an anti-reverse aluminum ring 3 fixed to the inner side of the lower edge of the nylon sheath 1, and a heat-shrinkable skirt 4 covering the outer side of the lower edge of the nylon sheath 1. The nylon sheath 1 is a one-piece molded two-stage cylindrical structure. The top of the nylon sheath 1 is a hemispherical closed end 11, which extends downward through a cylindrical thin tube 12, and forms a two-stage edge 13 with an outwardly expanding diameter at the lower end. The aluminum protective sleeve 2 is fixed to the inner wall of the thin tube 12 of the nylon sheath 1, the anti-reverse aluminum ring 3 is fixed to the inner wall of the two-stage edge 13 of the nylon sheath 1, and the heat-shrinkable skirt 4 is fixed to the outer wall of the two-stage edge 13 of the nylon sheath 1.

[0024] Implementation Method 2: The sealed end 11 of this electrical connector suitable for harsh environments is filled with conductive adhesive 5. After the two exposed copper wire segments are inserted into the nylon sheath, if rapid construction or temporary testing is required, the copper wire segments can be inserted into the conductive adhesive without twisting. The conductive adhesive and the extruded aluminum protective sleeve will close the two copper wire segments, achieving a rapid electrical connection. The remaining structures and components are as described in Implementation Method 1 and will not be repeated.

[0025] Embodiment 3: The anti-retraction aluminum ring 3 of this electrical connector suitable for harsh environments is a narrow annular strip, with several raised horizontal grooves 31 formed on the inner side of the anti-retraction aluminum ring 3. When the anti-retraction annular ring is pressed against the unstripped insulation layer of the wire, the horizontal grooves bite into the insulation layer to prevent the wire end from coming out of the nylon sheath. The remaining structure and components are as described in Embodiment 1 and will not be described again.

[0026] Embodiment 4: In this electrical connector suitable for harsh environments, the heat-shrinkable sheath 4 extends downwards below the second-order edge 13. The extended portion of the heat-shrinkable sheath can shrink under heat to cover the insulation of the two wires, forming a physical seal to prevent moisture intrusion. The remaining structures and components are as described in Embodiment 1 and will not be repeated.

[0027] In use: the outer skin of the wire end is stripped to expose the copper wire; the copper wires are twisted together to form an electrical connector; the electrical connector is buckled on the electrical connector; the unstripped wire segment below is brought together and extends to the lower edge of the nylon sheath; the lower edge of the nylon sheath is pinched with pliers to make the aluminum ring-shaped deformation so as to bite the unstripped wire segment, preventing the wire from exiting the nylon sheath; after confirming that the wire does not exit, the upper aluminum protective sleeve of the nylon sheath is pinched with pliers to make the aluminum protective sleeve deform so as to compress the twisted copper wire structure; the aluminum protective sleeve not only has good electrical performance, but also can resist corrosion and aging in the external environment, and provides longitudinal rigid support for the position, ensuring the electrical connection effect and protecting the position; the lighter is heated to shrink the sleeve skin, which is tightly wrapped around the two wire insulating skins, completing the electrical connection protection.

[0028] The electrical connector is convenient and safe to use, can effectively isolate and protect the wiring position under the action of external force or in harsh environment, at the same time, the joint area has a anti-disconnection function, ensures the electrical connection effect of the connection, and is especially suitable for hard copper wire butt joint with a size of 1.0 square or above.

[0029] The above description shows the main features, basic principles and advantages of the present application. For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments or examples, and can be realized in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, the above embodiments or examples should be regarded as exemplary and non-limiting. The scope of the present application is defined by the appended claims, not the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0030] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. An electrical connector suitable for use in harsh environments, characterized by: The utility model relates to a kind of protective sleeve for cable, including the nylon sheath (1) as subject, the aluminum protective sleeve (2) fixed in the upper inner side of the nylon sheath (1), the stop aluminum ring (3) fixed in the lower edge inner side of the nylon sheath (1), the heat shrinkable skirt skin (4) covered in the lower edge outside of the nylon sheath (1), wherein, The nylon sheath (1) is two-stage cylindrical structure of one-time forming, the top end of nylon sheath (1) is hemispherical closed end (11), it is formed with two-stage edge (13) of circumferential outer diameter expansion in lower end, downward through tubular part (12), the aluminum protective sleeve (2) is fixed in the inner wall of tubular part (12) of nylon sheath (1), the stop aluminum ring (3) is fixed in the inner wall of two-stage edge (13) of nylon sheath (1), the heat shrinkable skirt skin (4) is fixed in the outer wall of two-stage edge (13) of nylon sheath (1).

2. An electrical connector suitable for harsh environments according to claim 1 characterised in that: The closed end (11) is filled with conductive glue (5).

3. An electrical connector suitable for harsh environments according to claim 2, characterised in that: The stop aluminum ring (3) is annular narrow band, and a plurality of convex horizontal lines (31) are formed on the inner side of stop aluminum ring (3).

4. An electrical connector suitable for harsh environments according to claim 3, characterised in that: The heat shrinkable skirt skin (4) extends to below two-stage edge (13).

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