Connector for preventing welding spot at welding position of electric wire and PIN from being impacted

By installing a plastic sleeve and filling it with waterproof glue at the solder joint between the wire and the pin, the problem of loosening at the solder joint during injection molding was solved, thus achieving the stability of the solder joint and the reliability of its electrical performance.

CN223771426UActive Publication Date: 2026-01-06DONGGUAN CITY YUANYUE ELECTRONICS CO LTD
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Patent Information

Application Number
CN202423106033.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2026-01-06
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

In the prior art, the connector at the solder joint between the wire and the pin is prone to loosening or falling off during injection molding, resulting in unstable electrical performance.

Method used

A plastic sleeve is placed over the solder joint between the wire and the pin, and waterproof glue is filled in to fix it to the pin and the wire, forming a sealed structure to prevent the solder joint from being impacted.

Benefits of technology

During the potting process, the solder joints between the wires and the pins are not subjected to impact, ensuring stable and reliable product quality and electrical performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a connector for preventing welding spots at welding positions of wires and PINs from being impacted. The connector comprises a plurality of wires, a plurality of PINs, a plastic sleeve and a male head, a plurality of PINs are embedded in the male head in the axial direction, the tops of the PINs extend out of the male head and are welded to the bottoms of the electric wires, the plastic sleeve is arranged outside the electric wires and the PINs in a sleeving mode, the plastic sleeve is fixedly connected with the top of the male head, and the plastic sleeve is filled with waterproof glue so that the waterproof glue can be fixedly connected with the PINs and the electric wires respectively. The waterproof structure has the advantages that in the glue pouring process of the product, after the electric wire is welded with the PIN, the plastic sleeve is sleeved outside the welding part of the electric wire and the PIN, and then the waterproof glue is poured, so that the waterproof glue is naturally hardened; the welding points of the wire and the PINs are not subjected to any impact force, and the quality is stable and reliable.
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Description

Technical Field

[0001] This utility model relates to the technical field of male connectors for waterproof connectors, and in particular to a connector that prevents the solder joints at the junction of the wire and the PIN pin from being impacted. Background Technology

[0002] After the wires and pins are soldered, they are placed directly into the injection mold for molding. When the product is filled with waterproof glue in the injection mold, the waterproof glue flows quickly and the pressure is high, which can easily cause the solder joints at the wire and pin joints to loosen or fall off, resulting in unstable electrical performance. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a connector that prevents the solder joint between the wire and the PIN pin from being impacted, in order to address the shortcomings of the existing technology.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution.

[0005] A connector for preventing impact damage to the solder joint between wires and pins includes several wires, several pins, a plastic sleeve, and a male connector. The male connector has several pins embedded along its axial direction, with the tops of the pins extending out of the male connector and soldered to the bottom of the wires. The plastic sleeve is fitted over the wires and pins and is fixedly connected to the top of the male connector. The plastic sleeve is filled with waterproof adhesive, which is then fixedly connected to the pins and wires.

[0006] A preferred embodiment is that the top of the male head is provided with a fixing groove, the bottom of the plastic sleeve is fixed in the fixing groove, and the fixing groove is filled with waterproof adhesive.

[0007] The male head has a threaded tube at its bottom, and the bottom of the PIN pin is located inside the threaded tube.

[0008] A preferred embodiment is that the inner wall of the threaded pipe is provided with a positioning block.

[0009] In a preferred embodiment, the PIN pin has a mating hole at its top, and the bottom of the wire is inserted into the mating hole.

[0010] A preferred embodiment is that the sidewall of the mating hole is provided with a notch, and when the bottom of the wire is inserted into the mating hole, solder is welded to the notch.

[0011] The connector provided in this embodiment of the present invention, which prevents the solder joint between the wire and the PIN pin from being impacted, has at least the following beneficial effects: During the glue-filling process, after the wire and the PIN pin are soldered, a plastic sleeve is placed over the solder joint between the wire and the PIN pin, and then waterproof glue is poured in, allowing the waterproof glue to harden naturally; the solder joint between the wire and the PIN pin will not be subjected to any impact force, and the quality is stable and reliable.

[0012] The above description is merely an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this utility model more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0013] Figure 1 This is a three-dimensional representation of the present invention. Figure 1 ;

[0014] Figure 2 This is a three-dimensional representation of the present invention. Figure 2 ;

[0015] Figure 3 This is a cross-sectional view of the present invention;

[0016] Figure 4 This is an exploded view of this utility model. Detailed Implementation

[0017] To illustrate the ideas and objectives of this application, the following description will be provided in conjunction with the accompanying drawings and specific embodiments.

[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," "left," "right," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order.

[0019] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0020] like Figures 1 to 4As shown, this application embodiment provides a connector to prevent the solder joint between the wire and the PIN pin from being impacted, including a plurality of wires 10, a plurality of PIN pins 20, a plastic sleeve 30 and a male connector 40; the male connector 40 is inlaid with a plurality of PIN pins 20 along the axial direction, the top of the PIN pins 20 extends out of the male connector 40 and is soldered to the bottom of the wires 10, the plastic sleeve 30 is sleeved on the plurality of wires 10 and the plurality of PIN pins 20, the plastic sleeve 30 is fixedly connected to the top of the male connector 40, and the plastic sleeve 30 is filled with waterproof adhesive 50 so that the waterproof adhesive 50 is fixedly connected to the PIN pins 20 and the wires 10 respectively.

[0021] like Figures 1 to 4 As shown, during the potting process, after the wire 10 and PIN pin 20 are soldered, the plastic sleeve 30 is placed over the solder joint of the wire 10 and PIN pin 20, and then waterproof glue 50 is poured in, allowing the waterproof glue 50 to harden naturally; the solder joint of the wire 10 and PIN pin 20 will not be subjected to any impact force, and the quality is stable and reliable.

[0022] like Figures 1 to 4 As shown, after the plastic sleeve 30 is filled with waterproof adhesive 50, the waterproof adhesive 50 is sealed and fixed to the plastic sleeve 30. The waterproof adhesive 50 is also sealed and fixed to the wire 10 and the PIN pin 20 respectively. This provides a good waterproof effect.

[0023] like Figures 1 to 4 As shown, the top of the male connector 40 is provided with a fixing groove 41, and the bottom of the plastic sleeve 30 is fixed in the fixing groove 41. The fixing groove 41 is filled with waterproof adhesive 50. The plastic sleeve 30 is fixedly connected to the fixing groove 41. After the waterproof adhesive 50 is poured into the plastic sleeve 30, the waterproof adhesive 50 is sealed and fixedly connected to the plastic sleeve 30. The waterproof adhesive 50 is also sealed and fixedly connected to the wire 10 and the PIN pin 20 respectively. The fixing groove 41 is filled with waterproof adhesive 50, which provides a good waterproof effect.

[0024] like Figures 1 to 4 As shown, the male connector 40 has a threaded tube 42 at its bottom, and the bottom of the PIN pin 20 is located inside the threaded tube 42. This facilitates the insertion of the bottom of the PIN pin 20 into other connectors.

[0025] like Figures 1 to 4 As shown, the inner wall of the threaded tube 42 is provided with a positioning block 43. The positioning block 43 serves a positioning function, facilitating the insertion of the male connector 40 and the female connector.

[0026] like Figures 1 to 4 As shown, the PIN pin 20 has a mating hole 21 at its top, and the bottom of the wire 10 is inserted into the mating hole 21. After the bottom of the wire 10 is inserted into the mating hole 21, it is soldered using wire bonding, resulting in a relatively strong solder joint.

[0027] like Figures 1 to 4As shown, the side wall of the docking hole 21 is provided with a notch 211. When the bottom of the wire 10 is inserted into the docking hole 21, solder is welded at the notch 211. The welding is relatively firm through wire bonding.

[0028] The above are specific embodiments of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications are also considered to be within the protection scope of this utility model.

Claims

1. A connector for preventing impact damage to the solder joint between the wire and the pin, characterized in that, Including several electric wires, several PIN needles, a plastic sleeve and a male head; the male head is inlaid with several PIN needles along the axial direction, the top of the PIN needles extends out of the male head and is welded with the bottom of the electric wires, the plastic sleeve is sleeved outside the several electric wires and the several PIN needles, the plastic sleeve is fixedly connected with the top of the male head, the plastic sleeve is filled with waterproof glue so that the waterproof glue is fixedly connected with the PIN needles and the electric wires respectively.

2. The connector for preventing the solder of the electric wire and the pin from being impacted according to claim 1, wherein The top of the male head is provided with a fixing groove, the bottom of the plastic sleeve is fixed in the fixing groove, and the fixing groove is filled with waterproof glue.

3. The connector for preventing the solder of the electric wire and the PIN pin from being impacted according to claim 1, wherein The bottom of the male head is provided with a threaded pipe, and the bottom of the PIN needle is located in the threaded pipe.

4. The connector for preventing the solder of the electric wire and the PIN pin from being impacted according to claim 3, wherein The inner wall of the threaded pipe is provided with a positioning block.

5. The connector for preventing the solder of the electric wire and the PIN pin from being impacted according to claim 1, wherein The top of the PIN needle is provided with a butt joint hole, and the bottom of the electric wire is inserted into the butt joint hole.

6. The connector for preventing the solder of the electric wire and the PIN pin from being impacted according to claim 5, wherein The side wall of the butt joint hole is provided with a notch part, and the notch part is welded with solder when the bottom of the electric wire is inserted into the butt joint hole.