TWI502820B - Plug and electrical connector and electronic device including the same - Google Patents

Description

Plug device and electrical connector and electronic device applying the same

The present invention relates to a plug device and an electrical connector and an electronic device using the same, and more particularly to a thin plug device and an electrical connector and an electronic device to which the thin plug device is applied.

In order to provide the power required for portable electronic devices (eg, notebook computers), portable electronic devices typically have an electrical connector to interface with an external power source. The conventional electrical connector is mainly divided into a socket and a plug. The power is turned on or not by current contact between the metal connectors at both ends, and the electrical connector is fixed in such a manner that the plug is inserted into the socket and fastened to each other to achieve a fixed connection.

At the plug end, the power supply line is composed of three wires, which are a live wire, a neutral wire, and a ground wire. As shown in FIG. 1, the wire is surrounded by the plastic insulator 3, and The plug 1 includes a set of metal for clamping the fixed wire to serve as the connection terminal 5.

However, as the thickness of the electronic product is lowered, the conventional plastic insulator 3 and the connection terminal 5 are too large to be used. For example, in order to match the thickness of current electronic products and comply with safety specifications, the width of the joint needs to be reduced to 1.7 mm, but the width of the conventional connecting terminal 5 is 2.6 mm, resulting in unusable. Therefore, a thin electrical connector is highly demanded.

The main object of the present invention is to provide a thin plug structure and a thin electrical connector, wherein the diameter of the terminal in the plug structure is reduced To reduce the thickness of the plug structure.

In a specific embodiment, the plug device of the electrical connector includes a terminal, an electrical connector, and a wire. The electrical connecting member is electrically connected to the terminal, wherein the electrical connecting member comprises a first hole and a second hole, wherein the terminal passes through the first hole of the electrical connecting member, and the wire passes through the second breaking The hole is electrically connected to the terminal.

In the above embodiment, each of the terminals includes a first reduced diameter portion, a fixed portion, a middle portion and a second reduced portion. The diameter of the first fastening portion is larger than the diameter of the first reduced diameter portion. When the terminal is coupled to the electrical connector, the first fastening portion passes through the first hole. The first reduced diameter portion and the second reduced diameter portion are respectively coupled to both ends of the intermediate portion, wherein the diameter of the middle portion is larger than the diameters of the first reduced diameter portion and the second reduced diameter portion.

In the above embodiment, the diameter of the fastening portion of the first terminal is slightly smaller than the width of each of the first holes, and the diameter of the fastening portion of each terminal is greater than or equal to the width of each of the second holes.

In the above embodiment, each of the electrical connecting members includes a first structural surface, a second structural surface, and a third structural surface. The first hole is formed on the first structure surface, and the second hole is formed in the second hole. Second and third structural planes. Specifically, there is an angle between the first structural surface and the inner side surface of the second structural surface, and an angle between the third structural surface and the inner side surface of the second structural surface.

In the above embodiment, the adjacent two terminals have a safe distance from each other.

The invention further provides an electrical connector comprising: a socket device and a plug device as described above. The socket device includes a body and a connector disposed in the body, wherein the terminal of the plug device is electrically connected to the socket device head.

The invention further provides an electronic device, a casing module and the above electrical connector. The casing module comprises an upper casing member and a lower casing member facing the upper casing member, the socket device is directly sandwiched between the upper casing member and the lower casing member, and the plug device is coupled to the casing module to electrically Connected to the outlet device.

With the structural features of the electrical connector of the present invention, the thickness of the electrical connector is reduced. In addition, the durability of the electrical connector can be enhanced by the structural improvement of the electrical connector itself.

The preferred embodiment is described in conjunction with the drawings.

Please refer to Figure 2 with reference to Figure 3. 2 is a cross-sectional view of the electrical connector 10 in accordance with a preferred embodiment of the present invention, and FIG. 3 is a cross-sectional view taken along line a-a of the second embodiment. The electrical connector 10 of the preferred embodiment of the present invention includes a socket device 100 and a plug device 200.

The socket device 100 includes a body 110, five joints 130, and a plurality of elastic members 150. The five connectors 130 are disposed in the body 110 in an insulating manner. One ends of the five connectors 130 respectively protrude from the body 110 for electrically connecting to the plug device 200. The elastic member 150 is coupled between the outer side of the five joints 130 and the body 110. By the arrangement of the elastic members 150, when the external force abuts the joint 130, the joint 130 is displaced inward to prevent the joint 130 from being deformed by the impact.

The plug device 200 includes a housing 210, a connecting portion 230, five terminals 250, five electrical connectors 270, and wires 280. The wire 280 is coupled to an external power source and disposed in the housing 210. In a specific embodiment, Line 280 is comprised of five wires 280a-e, each of which is selected by one of a live wire, a ground wire, or a neutral wire.

The connecting portion 230 includes a plurality of openings 233 (FIG. 3) formed on one end surface 235, and a portion of the structure of the connecting portion 230 adjacent to the other end surface 237 is disposed in the housing 210, wherein the end surface 235 is connected to the end surface 237. The opposite sides of the portion 230. The terminals 250 are insulated from each other in the connecting portion 230, wherein the five terminals 250 are all disposed on the same plane. It should be noted that when the terminal 250 is disposed in the connecting portion 230, the adjacent two terminals 250 have a safety distance S between each other (in one embodiment, the above-mentioned safety distance S is about 1.7 mm), and do not contact each other. . Further, as shown in Fig. 2, the inner edge 231 of the connecting portion 230 adjacent to the terminal 250 has a shape complementary to the terminal 250, whereby the terminal 250 is secured therein.

The structure of each terminal 250 is as follows: Referring to FIG. 3, each terminal 250 in this embodiment includes a middle portion 251, a first reduced diameter portion 253, a second reduced diameter portion 255, and a fixed portion. 257 and a contact portion 259. The first reduced diameter portion 253 and the second reduced diameter portion 255 are respectively coupled to both ends of the intermediate portion 251. The locking portion 257 is coupled to the other end of the first reduced diameter portion 253, and the contact portion 259 is coupled to the other end of the second reduced diameter portion 255. As shown in FIG. 4, the diameter D1 of the middle portion 251 is larger than the diameters D2 and D3 of the first reduced diameter portion 253 and the second reduced diameter portion 255, and the diameters D4 and D5 of the fastening portion 257 and the contact portion 259 are larger than the first portion. The diameters D2 and D3 of the reduced diameter portion 253 and the second reduced diameter portion 255. In a specific embodiment, the diameter D1 of the middle portion 251 is 0.8 mm; the diameters D2, D3 of the first reduced diameter portion 253 and the second reduced diameter portion 255 are 0.6 mm; the diameter D4 of the fastening portion 257 is 0.7 mm; Further, the diameter D5 of the contact portion 259 is 1.1 mm, but is not limited thereto.

Referring to FIG. 3 , the contact portion 259 of the terminal 250 faces the opening 233 to be electrically connected to the joint 130 . The second reduced diameter portion 255 and the contact portion 259 have a width difference, and the inner edge 231 of the connecting portion 230 adjacent to the terminal 250 has a complementary width difference to clamp the terminal 250 and limit the position of the terminal 250. The first reduced diameter portion 253 of each terminal 250 and the trim portion 257 extend from the end surface 237 of the connecting portion 230 into the housing 210. To reinforce the mechanical strength, as shown in FIG. 4, the middle portion 251 of a first diameter D ₁ is greater than the constricted portion diameter D 253 of a second diameter D ₂ and a reduced diameter portion 255 _3.

Referring to FIG. 4 , the five electrical connectors 270 respectively include a first structural surface 271 , a second structural surface 273 , and a third structural surface 275 . The second structural surface 273 is coupled between the first structural surface 271 and a third structural surface 275. As shown in FIG. 5, there is a first structural surface 271 and an inner side surface 273a of the second structural surface 273. The angle A ₁ and the third structural surface 275 and the inner side surface 273a of the second structural surface 273 have an angle A ₂ , wherein the angle A ₁ and the angle A ₂ are both obtuse angles. A first break hole 272 is formed on the first structural surface 271, and a second break hole 274 is formed on the second and third structural faces 273, 275. The first hole 272 has a first width W ₁ and the second hole 274 has a second width W ₂ , the first width W _{1 is} larger than the diameter D _{4 of the} fastening portion 257 , and the second width W ₂ is equal to or smaller than The diameter D ₄ of the trim portion 257.

The connection relationship between the terminal 250, the electrical connector 270 and the wire 280 is as follows: As shown in FIG. 5, when the terminal 250 and the electrical connector 270 are combined, the fastening portion 257 of the terminal 250 passes through the first hole 272. And rotating at a predetermined angle such that the axial direction of the first hole 272 is not parallel to the axial direction of the terminal 250 passing through the first hole 272. Since the diameter D ₄ of the trim portion 257 is slightly smaller than the width W _{1 of the} first hole 272 (FIG. 4), the first reduced diameter portion 253 is engaged with the first hole 272 after the terminal 250 is rotated by the predetermined angle. Further, the diameter D ₄ of the trim portion 257 is greater than or equal to the width W _{2 of the} second hole 274 (Fig. 4), and the locking portion 257 abuts against the second hole 274. Next, the first reduced diameter portion 253 is fixed to the inner edge of the first hole 272 by the solder 290. It should be noted that, as shown in FIG. 2, since each two adjacent terminals 250 have a safety distance S between each other, and the width of each electrical connecting member 270 is smaller than the above-mentioned safety distance S, the electrical connecting member 270 After being fixed to the terminals 250, they do not contact each other. In an unillustrated embodiment, in order to prevent the electrical connectors 270 from being electrically connected to each other, an insulating member may be disposed between each two adjacent electrical connectors 270.

When the electrical connecting member 270 and the wire 280 are combined, the five wires 280a-e (second drawing) of the wire 280 respectively pass through the second hole 274 of the electrical connecting member 270, and the wire 280 is fixed by the solder 290. Three structural faces 275. As shown in FIG. 5, since the third structural surface 275 and the second structural surface 273 have an angle A ₂ , the position of the wire 280 connecting the electrical connecting member 270 is higher than that of the second structural surface 273, so the wire 280 Arranged in a direction generally parallel to the plane in which the terminals 250 extend, no additional space is required for the wires 280 to be routed, thereby reducing the thickness of the socket structure 200.

Referring to FIG. 6, the electrical connector 10 of the present invention can be applied to various electronic devices (for example, notebook computers, tablet computers, smart phones, etc.). In one embodiment, a notebook computer 500 that utilizes the electrical connector 10 includes a main body housing 511 and a screen housing 515 pivotally coupled to the main housing 511. A passage 514 is formed between the upper casing member 512 and the lower casing member 513 of the main body casing 511, and the socket device 100 is disposed in the passage 514 and directly clamped It is disposed between the upper case member 512 and the lower case member 513. The socket device 100 is more electrically connected to the electronic component 520 disposed in the main body casing 511 to connect the power of the external power source for use. The plug device 200 can be coupled by a magnetic element on the socket device 100 or by a bonding mechanism formed on the upper case member 512 or the lower case member 513 (for example, a hook, a groove, a bump, an elastic member, a mobile card fastener, etc.) The structure is fixed in the channel 514 to be electrically connected to the socket device 100.

The diameter of the socket terminal of the present invention is smaller than the diameter of the conventional plug terminal, and the thickness of the socket is successfully reduced. In addition, it is connected between the socket terminal and the wire through an electrical connector having a special structure to increase the convenience of assembly. Moreover, the problem that the conventional small-sized plug is caused to be ignited by the wire due to the distance of the wire is also solved by the plug structure of the present invention to ensure its stability in use.

Although the present invention has been disclosed in its preferred embodiments, it is not intended to limit the present invention, and it is possible to make some modifications and refinements without departing from the spirit and scope of the present invention. The scope of the invention is defined by the scope of the appended claims.

1‧‧‧ plug

3‧‧‧Plastic insulators

5‧‧‧Connecting terminal

10‧‧‧Electrical connector

100‧‧‧ socket device

110‧‧‧ body

130‧‧‧Connectors

150‧‧‧Flexible components

200‧‧‧ plug device

210‧‧‧Shell

230‧‧‧Connecting Department

231‧‧‧ inner edge

233‧‧‧ openings

235‧‧‧ end face

237‧‧‧ end face

250‧‧‧ terminals

251‧‧ mid-section

253‧‧‧First reduction section

255‧‧‧Second reduced diameter

257‧‧‧Card Department

259‧‧‧Contacts

270‧‧‧Electrical connectors

271‧‧‧First structural surface

272‧‧‧ first hole

273‧‧‧Second structural surface

273a‧‧‧ inner surface

274‧‧‧Second hole

275‧‧‧ Third structural surface

280‧‧‧ wire

280a, 280b, 280c, 280d, 280e‧‧‧ wire

500‧‧‧Electronic devices

511‧‧‧Host housing

512‧‧‧Upper case

513‧‧‧ Lower case

514‧‧‧ channel

515‧‧‧Screen housing

520‧‧‧Electronic components

A ₁ -A ₂ ‧‧‧ angle

D ₁ -D ₅ ‧‧‧diameter

W ₁ -W ₂ ‧‧‧Width

A‧‧‧ cut line

S‧‧‧Safe distance

1 is a schematic view showing a plug structure of a prior art; FIG. 2 is a cross-sectional view showing the electrical connector of the preferred embodiment of the present invention; and FIG. 3 is a cross-sectional view taken along line aa of FIG. 2; 4 is a schematic view showing a joint and an electrical connecting member of a preferred embodiment of the present invention; FIG. 5 is an enlarged view showing a region M of FIG. 3; and FIG. 6 is a view showing an electronic device to which the electrical connector of the present invention is applied.

10‧‧‧Electrical connector

100‧‧‧ socket device

110‧‧‧ body

130‧‧‧Connectors

150‧‧‧Flexible components

200‧‧‧ plug device

210‧‧‧Shell

230‧‧‧Connecting Department

231‧‧‧ inner edge

235‧‧‧ end face

237‧‧‧ end face

250‧‧‧ terminals

270‧‧‧Electrical connectors

280‧‧‧ wire

280a, 280b, 280c, 280d, 280e‧‧‧ wire

A‧‧‧ cut line

S‧‧‧Safe distance

Claims (10)

A plug device includes: a terminal; an electrical connecting member, comprising a first hole and a second hole, wherein the terminal passes through the first hole and is fixed to the electrical connecting member, wherein the The axial direction of the first hole is not parallel to the axial direction of the terminal through the first hole; and a wire passes through the second hole to be electrically connected to the terminal. The plug device of claim 1, wherein the terminal comprises a first reduced diameter portion and a fastening portion, the diameter of the fastening portion being larger than the diameter of the first reduced diameter portion, when the terminal is coupled to In the electrical connector, the fastening portion passes through the first hole. The plug device of claim 2, wherein the terminal further comprises a middle portion and a second reduced diameter portion, wherein the first reduced diameter portion and the second reduced diameter portion are respectively coupled to both ends of the middle portion The diameter of the middle portion is larger than the diameter of the first reduced diameter portion and the second reduced diameter portion. The plug device of claim 2, wherein the diameter of the fastening portion of the terminal is smaller than the width of the first hole. The plug device of claim 2, wherein the diameter of the fastening portion of the terminal is greater than or equal to the width of the second hole. The plug device of claim 1, wherein the electrical connecting member comprises a first structural surface, a second structural surface and a third structural surface, the first broken hole being formed on the first structural surface The second hole is formed on the second and third structural faces. The plug device of claim 6, wherein the plug device An obtuse angle is formed between the first structural surface and the inner side surface of the second structural surface, and an obtuse angle is formed between the third structural surface and the inner side surface of the second structural surface. The plug device of claim 1, comprising a plurality of terminals and further comprising a connecting portion, wherein the terminals are disposed in the connecting portion, and each of the two adjacent terminals has a safe distance from each other . An electrical connector comprising: a socket device comprising a body and a plurality of connectors disposed in the body; and a plug device comprising: a plurality of terminals electrically connected to the connectors; the plurality of electrical connections And electrically connected to the terminal, wherein the electrical connecting component comprises a first hole and a second hole, each of the terminals respectively passing through the first hole of each of the electrical connectors The axial direction of each of the first holes is not parallel to the axial direction of the corresponding one through the first hole; and a plurality of wires are respectively passed through each of the second holes to be electrically Sexually connected to these terminals. An electronic device comprising: a casing module comprising an upper casing member and a lower casing member on the upper casing member; and a socket device directly sandwiched between the upper casing member and the lower casing member And comprising a plurality of connectors; and a plug device coupled to the casing module, and comprising: a plurality of terminals electrically connected to the connectors; and a plurality of electrical connectors electrically connected to the terminals, respectively Which should The electrical connecting member includes a first hole and a second hole, each of the terminals respectively passing through the first hole of each of the electrical connecting members, wherein the axial direction of each of the first holes The direction is not parallel to the axial direction of the corresponding terminal through the first hole; and a plurality of wires are respectively passed through each of the second holes to be electrically connected to the terminals.