Waterproof connector extension cord

Abstract

The utility model relates to the technical field of wires, in particular to a waterproof connector extension cord which comprises an outer mold, a sleeve and an inner mold are arranged in the outer mold, one end of the outer mold is connected with a wire, the end of the wire penetrates through the inner mold and extends into the sleeve, the other end of the outer mold is provided with a connector, and the connector is connected with the inner mold. One end of the connector extends into the inner mold, a plurality of pins are arranged on the connector, the wire is connected to the plurality of pins, and sealant is poured into the inner mold. The waterproof LED lamp has the effect of good waterproof performance.

Description

Technical Field

[0001] The utility model relates to the technical field of wire materials, in particular to a waterproof connector extension wire. Background Art

[0002] A signal extension cable is a type of cable or connector used to extend the transmission distance of a power signal. It is usually used to transmit signals from one device to another to extend the range of signal transmission. In practical applications, signal extension cables can be used in a variety of situations, such as audio and video transmission, network device connection, etc. By using a signal extension cable, the problem of signal transmission distance limitation can be solved, allowing the signal to be transmitted over a longer distance.

[0003] Currently, when transmitting signal data in some water-related work scenarios, such as oil tanks and water sinks, the connector tail of the extension cable is prone to aging and cracking under long-term use conditions and is not waterproof. Water can easily enter the connector tail into the connector and cause short circuits and other problems. Utility Model Content

[0004] In order to improve the waterproof performance, the utility model provides a waterproof connector extension line to solve the problems of the prior art.

[0005] The waterproof connector extension cable provided by the utility model adopts the following technical solution:

[0006] A waterproof connector extension cable comprises an outer mold, wherein a sleeve and an inner mold are arranged inside the outer mold, one end of the outer mold is connected to a wire, the end of the wire passes through the inner mold and extends into the sleeve, the other end of the outer mold is provided with a connector, one end of the connector extends into the inner mold, a plurality of pin needles are arranged on the connector, the wire is connected to the plurality of pin needles, and sealant is poured into the inner mold.

[0007] Preferably, an inner wall of one end of the inner mold close to the connector is provided with an internal thread, an outer peripheral surface of one end of the connector close to the inner mold is provided with an external thread, and the connector is threadedly connected to the inner mold.

[0008] Preferably, the outer peripheral surface of the inner mold is provided with a plurality of annular grooves, and the inner wall of the outer mold is provided with a plurality of clamping rings, and the plurality of clamping rings are respectively inserted into the plurality of annular grooves.

[0009] Preferably, a wire protection sleeve is provided at one end of the outer mold away from the connector, and the wire protection sleeve is sleeved on the wire.

[0010] Preferably, a convex edge is circumferentially arranged on the inner wall of one end of the outer mold close to the connector, and an extension portion is arranged on the circumferential surface of the connector, and the extension portion is in contact with the convex edge.

[0011] Preferably, the sleeve is made of ABS material.

[0012] Preferably, the inner mold and the outer mold are both made of TPU material.

[0013] In summary, the present invention includes at least one of the following beneficial technical effects:

[0014] Pass the wire through the sleeve and weld it to the pin of the connector, then thread the connector into the sleeve, and then pour sealant into the sleeve. After curing, place it in the mold to injection mold the inner and outer molds, which has good waterproof performance and long service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 It is a cross-sectional schematic diagram of the utility model.

[0017] Figure 3 It is an explosion diagram of the utility model.

[0018] In the figure: 1, outer mold; 11, wire protection sleeve; 12, convex edge; 2, sleeve; 21, ring groove; 3, inner mold; 4, wire; 5, connector; 6, sealant; DETAILED DESCRIPTION

[0019] 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.

[0020] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0021] The utility model embodiment discloses a waterproof connector 5 extension line, such as Figure 1-3As shown, it includes an outer mold 1, a sleeve 2 and an inner mold 3 are arranged inside the outer mold 1, the inner mold 3 is fitted with the end surface of the sleeve 2, the outer peripheral surface of the inner mold 3 is fitted with the inner wall of the inner mold 3, and one end of the outer mold 1 is connected to a wire 4, and the end of the wire 4 passes through the outer mold 1 and the inner mold 3 and extends into the sleeve 2. In addition, the sleeve 2 is made of ABS material, and the inner mold 3 and the outer mold 1 are both made of TPU. The sleeve 2 is placed in the mold, and the inner mold 3 and the outer mold 1 are injection molded on the sleeve 2. In addition, the outer peripheral surface of the sleeve 2 is provided with multiple annular grooves 21, and the inner wall of the outer mold 1 is integrally formed with multiple clamping rings, and the multiple clamping rings are respectively inserted into the multiple annular grooves 21. When the outer mold 1 is injection molded on the sleeve 2, the rubber flows into the annular groove 21 to form a clamping ring, and the clamping ring cooperates with the clamping groove to prevent the sleeve 2 from slipping out of the outer mold 1.

[0022] At the same time, a connector 5 is provided at the other end of the outer mold 1. A convex edge 12 is provided around the inner wall of the end of the outer mold 1 close to the connector 5. An extension portion is provided on the peripheral surface of the connector 5. The extension portion fits with the convex edge 12, and the outer peripheral surface of the extension portion is flush with the outer peripheral surface of the outer mold 1. The extension portion fits with the convex edge 12 to position the connector 5. At the same time, one end of the connector 5 extends into the inner mold 3. An internal thread is provided on the inner wall of the end of the inner mold 3 close to the connector 5. An external thread is provided on the outer peripheral surface of the end of the connector 5 close to the inner mold 3. The connector 5 is threadedly connected to the inner mold 3. The operator screws the connector 5 into the inner mold 3 to fix the connector 5 and the inner mold 3 together.

[0023] At the same time, a plurality of pins are fixedly mounted on the connector 5, and the wires 4 are electrically connected to the plurality of pins. A wire protection sleeve 11 is integrally formed at one end of the outer mold 1 away from the connector 5, and the wire protection sleeve 11 is sleeved on the wire 4. Sealant 6 is poured into the inner mold 3. After the wire 4 is connected to the pin and the connector 5 is threadedly connected to the sleeve 2, the sealant 6 is poured into the sleeve 2. The sealant 6 seals the connection point between the wire 4 and the pin, and has good waterproof performance and a long service life.

[0024] The implementation principle of the extension line of the waterproof connector 5 of the embodiment of the utility model is: the wire 4 is passed through the sleeve 2 and welded to the pin of the connector 5, and then the connector 5 is threadedly connected to the sleeve 2, and then the sealant 6 is poured into the sleeve 2, and after curing, it is placed in the mold for injection molding of the inner mold 3 and the outer mold 1. It has good waterproof performance and long service life, and can be used for data transmission in oil tanks and water tanks of various precision product testing equipment.

[0025] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model is disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this profession can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical content disclosed above without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiments according to the technology of the utility model, which does not depart from the content of the technical solution of the utility model, belongs to the scope of the technical solution of the utility model.

Claims

1. A waterproof connector (5) extension cable, characterized in that: The invention comprises an outer mold (1), wherein a sleeve (2) and an inner mold (3) are arranged inside the outer mold (1), one end of the outer mold (1) is connected to a wire (4), the end of the wire (4) passes through the inner mold (3) and extends into the sleeve (2), the other end of the outer mold (1) is provided with a connector (5), one end of the connector (5) extends into the inner mold (3), a plurality of pins are arranged on the connector (5), the wire (4) is connected to the plurality of pins, and a sealant (6) is poured into the inner mold (3).

2. The waterproof connector (5) extension cable according to claim 1, characterized in that: An inner wall of one end of the inner mold (3) close to the connector (5) is provided with an internal thread, and an outer peripheral surface of one end of the connector (5) close to the inner mold (3) is provided with an external thread. The connector (5) is threadedly connected to the inner mold (3).

3. The waterproof connector (5) extension cable according to claim 1, characterized in that: The outer peripheral surface of the sleeve (2) is provided with a plurality of annular grooves (21), and the inner wall of the outer mold (1) is provided with a plurality of clamping rings, and the plurality of clamping rings are respectively inserted into the plurality of annular grooves (21).

4. The waterproof connector (5) extension cable according to claim 1, characterized in that: A wire protection sleeve (11) is provided at one end of the outer mold (1) away from the connector (5), and the wire protection sleeve (11) is sleeved on the wire (4).

5. The waterproof connector (5) extension cable according to claim 1, characterized in that: The outer mold (1) is provided with a convex edge (12) circumferentially around the inner wall of one end close to the connector (5), and the peripheral surface of the connector (5) is provided with an extension portion, and the extension portion is in contact with the convex edge (12).

6. The waterproof connector (5) extension cable according to claim 1, characterized in that: The sleeve (2) is made of ABS material.

7. The waterproof connector (5) extension cable according to claim 1, characterized in that: The inner mold (3) and the outer mold (1) are both made of TPU material.

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