Electrical connector assembly

Electric connector combination

This creation relates to an electrical connector combination, and more particularly to an electrical connector combination for transmitting power signals.

The electrical connector combination is widely used in modern electronic and electrical equipment. It is as important to electrical and electronic equipment as blood vessels to humans. Especially the electrical connector combination used to transmit power signals. Its working performance directly affects the performance of the entire electrical and electronic equipment. No Normal operation. An electrical connector combination in the conventional technology is shown in Chinese Patent Publication No. CN 201252264Y. The disclosed electrical connector combination includes a built-in circuit board, an LED lamp integrated with the built-in circuit board, and houses the LED. Light guide plate of lamp, cable provided with a plurality of wires, conductive terminals connected to the cable, butt body, and an insulating shell covering the circuit board, LED lamp, light guide plate, and partially covering the cable and butt body The upper and lower sides of the light guide plate are provided with a columnar portion that transmits light and a tubular portion at the rear end. The tubular portion is connected to the frontal columnar portion and is provided with a light-transmitting area for users to observe. The light emitted by the lamp is emitted to the light guide plate in parallel, and the light emitted from the light-transmitting area generally located on the vertical plane is likely to be unlit or uneven in brightness.

Therefore, it is necessary to design an electrical connector combination to overcome the aforementioned shortcomings.

The purpose of this creation is to provide an electrical connector combination with an improved light guide tube structure, which enables light to be emitted uniformly.

In order to solve the above technical problems, the present invention adopts the following technical solution: an electrical connector combination including a docking body containing terminals, a built-in circuit board having a light emitting diode and electrically connected to the terminals, and electrical properties of the terminals Connected cables and a light guide tube provided adjacent to the built-in circuit board, an end face of the built-in circuit board adjacent to the light guide tube is provided with a light emitting diode, and the light guide tube is provided with a through hole penetrating in the front-rear direction, A step surface facing the built-in circuit board is provided in the through hole, and a plurality of convex bodies are evenly distributed on the step surface.

Compared with the prior art, the electrical connector combination of the present invention has the following effects: The electrical connector combination has an improved light pipe structure so that the light emitted by the self-emitting diode is uniformly emitted.

Please refer to the first to fourth figures, the electrical connector assembly 100 of this creation includes a built-in circuit board 2, a docking body 3 located at the front end of the built-in circuit board 2, a light guide tube 4 located at the rear end of the built-in circuit board 2, An inner module 5 fixing the built-in circuit board 2, the light guide tube 4, and the butt body 3, an outer module 6 covering the periphery of the electrical connector assembly 100, and a cable 7 provided with a plurality of wires. The module 5 is provided with an annular recess (not labeled) at the rear end.

Please refer to the second to third figures, the built-in circuit board 2 is disposed along a direction perpendicular to the docking direction, and the docking body 3 and the light guide tube 4 are respectively located on two sides of the built-in circuit board 2. The built-in circuit board 2 is generally a disc-shaped hollow structure, and its outer side is a regular polygon, which has front and rear end surfaces. The built-in circuit board 2 is provided with a through hole 23 penetrating the front and rear end surfaces at a substantially central position, and is provided on the front end surface. Two conductive regions 21 and 22 are provided below the conductive regions 21 and 22, and the conductive regions 21 and 22 are spaced apart from each other in a horizontal direction perpendicular to the docking direction. In addition, four light-emitting diodes (LEDs) 24 for indicating the working status of the electrical connector assembly 100 are symmetrically distributed on the rear end surface of the built-in circuit board 2, and two resistance elements are provided above the front end surface of the built-in circuit board 2. 25.

The docking body 3 includes a docking portion 31 formed at a front end thereof and made of a metal material, an insulating body (not labeled) covering the docking portion 31, a pair of signal terminals 34 housed in the insulating body, and a portion extending out The pair of power terminals 33 at the rear end of the docking portion 31, the signal terminals 34 are smaller in size than the power terminals 33, so that on the one hand it is easy to identify, and on the other hand it increases the soldering area when soldering to the built-in circuit board 2 in disguise. A receiving space 32 is formed in the abutting portion 31, and a slit 311 is formed at a top end thereof. The signal terminal 34 is accommodated in a terminal channel (not labeled) in the accommodation space 32. The bottom of the power terminal 33 has a welding portion 331 that is bent and extended horizontally downward and then inward.

The light guide tube 4 has a hollow nut-like configuration with a large front and a small back, which is made of a transparent plastic material and used to transmit light emitted by the light emitting diode 24. The light guide tube 4 includes a light guide portion 43 with a larger outer diameter at the front end and a holding portion 41 with a smaller outer diameter located at the rear end of the light guide portion 43. The rear end of the light guide portion 43 has a light emitting diode for users to observe. The light-transmitting portion 431 in the body 24 state, an outer surface of the holding portion 41 is provided with threads alternately formed by convex ribs (not labeled) and annular grooves (not labeled), and the surface of the ribs is provided with a cut surface 411. As shown in the second and third figures, the light guide tube 4 is penetrated forward and backward by a through hole 42. A step surface 421 is provided in the through-hole 42. The step surface 421 faces the built-in circuit board 2 and is continuously disposed around the circumferential inner wall of the through-hole 42. In addition, a step 45 is uniformly distributed on the step surface 421. The outer surface of the lens is spherical in order to uniformly refract the light emitted from the light-emitting diode 24, thereby ensuring that the light emitted from the light transmitting portion 431 is transparent and uniform. In the preferred embodiment of this creation, the convex bodies 45 are side by side. Closely arranged on the stepped surface 421.

The cable 7 includes a stress release portion 72 that provides retention and stress release effects, and a plurality of wires (not shown) extending forward from the stress release portion 72.

Please refer to the second to fourth figures. During assembly, the mating body 3 is assembled with the built-in circuit board 2 by a pair of power terminals 33, and the pair of power terminals 33 passes through the through holes of the built-in circuit board 2. 23, a pair of soldering portions 331 below the two abutting conductive areas 21 and 22 of the built-in circuit board 2 and soldering to the corresponding conductive areas by welding technology. The built-in circuit board 2 is adjacent to the front surface of the light guide tube 4, and the plurality of wires of the cable 7 extend through the through-hole 42 of the light guide tube 4 and the through-hole 23 of the built-in circuit board 2. The front ends of the terminals are soldered to the signal terminals 34 and the power terminals 33 to prevent damage to the electronic components on the built-in circuit board 2 and increase the soldering area. The inner built-in circuit board 2, the butt body 3, and the light guide tube 4 are assembled into one piece by inner mold molding. The inner mold 5 is a structure after the inner mold is formed. Improve connection strength in space. Finally, the above-mentioned assembled components are covered by an outer mold overmolding, and the outer mold 6 is a structure after the outer mold is formed. After the electrical connector assembly 100 is formed, the stress relief portion 72 of the cable 7 will cover the holding portion 41 at the rear end of the light guide tube 4, and the light transmitting portion 431 of the light guide tube 4 will be exposed to the outer module. The outside of 6 is to show the working state of the electrical connector assembly 100, and the stress relief portion 72 of the cable 7 is partially covered at the rear end of the inner module 5.

In the preferred embodiment of the present invention, since the rear end of the light guide tube 4 is provided with ribs and grooves arranged in a thread shape, when the stress relief portion 72 is overmolded on the light guide tube 4, The structure can enhance the molding effect, improve the swing performance of the product, and extend the service life. In addition, the electrical connector assembly 100 of the present invention is provided with a holding portion 41 having a stress relief function directly at the rear end of the light guide tube 4, and the ring structure in the conventional technology is omitted, the structure is simple, and it is easy to manufacture. In addition, the circuit board 2 is close to the front surface of the light guide tube 4, which minimizes the loss of the light emitted by the light emitting diode 24 during the transmission to the light guide tube 4, and enhances the electrical connector combination. The light guide performance of 100, the spherical convex body 45 provided in the light guide tube 4 can make the light refraction uniform and transparent. Finally, the ribs of the holding portion 41 of the light guide tube 4 are provided with a cutting surface 411 to prevent the stress release portion 72 from rotating after being formed with the light guide tube 4.

In summary, this creation has indeed met the requirements for a new type of patent, and has applied for a patent in accordance with the law. However, the above is only the preferred implementation of this creation, and the scope of this creation is not limited to the above implementation. For example, those who are familiar with the technology of this case make equivalent modifications or changes based on the spirit of this creation. It should be covered by the following patent applications.

<p>100. . .Electric connector combination</p><p>2. . .Built-in circuit board</p><p>21, 22. . .Conductive area</p><p>twenty three. . .Through hole</p><p>twenty four. . .Light-emitting diode (LED)</p><p>25. . .Resistance element</p><p>3. . .Butt</p><p>31. . .Butt</p><p>311. . .Slit</p><p>32. . .Containment space</p><p>33. . .Power terminals</p><p>331. . .Welding Department</p><p>34. . .Signal terminal</p><p>4. . .Light guide</p><p>41. . .Holding Department</p><p>411. . .section</p><p>42. . .Through-hole</p><p>421. . .Step surface</p><p>43. . .Light guide</p><p>431. . .Light transmitting part</p><p>45. . .Convex body</p><p>5. . .Inner module</p><p>6. . .Outer module</p><p>7. . .Cable</p><p>72. . .Stress relief</p>

The first figure is a three-dimensional assembly drawing of the electrical connector assembly of this creation.

The second figure is an exploded perspective view of the electrical connector assembly shown in the first figure.

The third view is another view of the electrical connector assembly shown in the second view.

The fourth diagram is a partial assembly diagram of the electrical connector assembly shown in the third diagram.