TWM472982U - Electrical connector - Google Patents

Description

Electrical connector

The present invention is to provide an electrical connector, especially an electrical connector of the micro USB series plug connector specification.

Most of today's electronic devices are equipped with a universal serial bus (USB) connector, and the electronic device is a personal computer, a mobile phone, a digital camera or a music player, so that the electronic device can be connected through a universal serial bus. The device performs signal transmission. Due to the different environments in which the products are used, the performance requirements of the connectors vary from product to product. The plug connectors of the conventional micro USB series (such as Micro-B or Micro-A) have poor rigidity and poor shear strength, and are prone to breakage during testing or actual use.

In summary, the creator feels that the above-mentioned deficiencies can be improved. He has devoted himself to research and cooperates with the application of academics, and finally proposes a design that is reasonable in design and effective in improving the above-mentioned deficiencies.

The technical problem to be solved by this creation is to provide an electrical connector with good rigidity and improved shear strength.

In order to solve the above technical problem, the present invention provides an electrical connector, comprising: an insulative housing having a base and a tongue plate projecting forwardly from the base; a plurality of terminals, the setting thereof On the insulating body, the terminals each have a fixed a fixing portion of the terminals is fixed on the insulating body, a contact portion of the terminals is disposed on the tongue plate, and a soldering portion of the terminals exposes the base; a mask a casing covering a rear end of the insulative housing, a casing portion of each of the two sides of the shielding casing; and a metal casing covering the outside of the insulating body, two of the metal casing Forming an extension portion at each of the side rear ends, the extension portions each having a top wall and a side wall, the top walls of the two extension portions are disposed on the top of the base, and the side walls of the two extension portions are disposed on the base The two extensions are interposed between the mask housing and the insulative housing, and the sidewalls of the two extensions are latched on the two latching portions of the mask housing.

The present invention has at least the following advantages: the metal casing of the present invention is provided with two extending portions, the two extending portions are disposed on the top and the two sides of the base of the insulating body, and the two extending portions are sandwiched between the mask shell and the insulating body. And the side walls of the two extensions are clamped to the two latching portions of the mask housing. Thereby, the rigidity of the electrical connector can be increased, and the shear strength can be effectively improved, so that the electrical connector does not break when tested or actually used.

In order to further understand the features and technical contents of the present invention, please refer to the following detailed description and drawings of the present invention. However, the drawings are only for reference and description, and are not intended to limit the creation.

1‧‧‧Insulating body

11‧‧‧Base

12‧‧ ‧ tongue

13‧‧‧ card slot

14‧‧‧Bumps

2‧‧‧ terminals

21‧‧‧ Fixed Department

22‧‧‧Contacts

23‧‧‧Weld Department

3‧‧‧Mask shell

31‧‧‧First cover

311‧‧‧ top board

312‧‧‧ first side panel

313‧‧‧Card Department

313a‧‧‧First top end

314‧‧‧First buckle

315‧‧‧Second buckle

316‧‧‧Connecting piece

317‧‧‧ Positioning film

318‧‧‧ Notch

32‧‧‧Second cover

321‧‧‧floor

322‧‧‧Second side panel

323‧‧‧Cable fasteners

324‧‧‧ Third buckle

325‧‧‧Positioning holes

326‧‧‧Card tabs

4‧‧‧Metal casing

41‧‧‧Extension

411‧‧‧ top wall

412‧‧‧ side wall

412a‧‧‧Second top

42‧‧‧fourth buckle

43‧‧‧Perforation

44‧‧‧through hole

5‧‧‧Locks

51‧‧‧Flexible arm

52‧‧‧Locking Department

Figure 1 is an exploded perspective view of the electrical connector of the present invention.

2 is an exploded perspective view of another angle of the present electrical connector.

FIG. 3 is a perspective assembled view of the electrical connector of the present invention.

4 is a perspective assembled view of another angle of the present electrical connector.

Figure 5 is a cross-sectional view of the prior art electrical connector.

Referring to Figures 1 to 5, the present invention provides an electrical connector, especially a miniature The plug connector of the USB series (such as Micro-B or Micro-A, etc.) includes an insulative housing 1, a plurality of terminals 2, a mask housing 3, and a metal housing 4.

The insulative housing 1 is made of, for example, a plastic material, and has a base 11 and a tongue 12. The tongue 12 can protrude forward from the base 11. The base 11 and the tongue 12 can be integrally formed. The insulative housing 1 is formed into an integrally formed structure, but the base 11 and the tongue plate 12 may also be of a combined design. The two sides of the insulative housing 1 can be further provided with a latching slot 13 . The top of the insulative housing 1 may further be provided with two bumps 14.

The terminals 2 are preferably made of a metal having good electrical conductivity or an alloy material thereof, and conform to the specifications of Micro-B (or Micro-A). The terminals 2 are disposed on the insulative housing 1, that is, the terminals 2 respectively penetrate the base 11 and are disposed on the tongue 12, and a USB 2.0 transmission protocol can be executed. The terminals 2 have a fixing portion 21, a contact portion 22 and a soldering portion 23, and the fixing portions 21 of the terminals 2 are fixed on the insulative housing 1. The contact portions 22 of the terminals 2 are self-retaining portions. 21 protrudes forward and is disposed on the tongue plate 12. The welded portions 23 of the terminals 2 project rearward from the fixing portion 21 and expose the base 11. The soldering portions 23 of the terminals 2 are generally soldered to the cables to form a cable connector, but may be electrically connected to other devices without limitation.

The mask housing 3 is made of metal or its alloy material, and the mask housing 3 is a hollow housing. The mask housing 3 is preferably but not limited to a combined design, that is, the mask housing 3 is Preferably, the first cover body 31 and the second cover body 32 are combined, and the first cover body 31 and the second cover body 32 can be combined by snapping or the like. However, the first cover 31 and the second cover 32 may be integrally formed.

In the embodiment, the first cover body 31 and the second cover body 32 are combined in a snap-fit manner. The first cover body 31 has a top plate 311 and two first side plates 312 extending downward from both sides of the top plate 311. A latching portion 313 is disposed on each of the two sides of the mask housing 3 . In the embodiment, the two latching portions 313 protrude from the inner sides of the first side plates 312 of the first cover 31 , and the latching portion 313 . The upper end can form a first abutting end 313a.

The top plate 311 can be further provided with a first fastening portion 314, and the first fastening portion 314 It can be a snap body or a snap hole, which can be provided in one, two or more. In this embodiment, the first snap portion 314 is a snap body, which is provided with two. The two first side plates 312 can be further provided with a second fastening portion 315. The second fastening portion 315 can be a buckle hole or a buckle body. In this embodiment, the second fastening portion 315 is a fastening hole. . The bottom portions of the two first side plates 312 may be further provided with a positioning piece 317. The top plate 311 can also be further provided with two notches 318.

The mask housing 3 can be further extended to form two locking members 5, which can be made into a locking structure of the electrical connector. In the embodiment, the front end of the first cover 31 of the mask housing 3 extends to form a connecting piece 316. The connecting piece 316 is lower than the top plate 311 of the first cover 31, and the two locking pieces 5 are separated by two connecting pieces 316. The side extension is formed such that the two locking members 5 protrude from the front end of the mask housing 3 (first cover 31). However, the two locking members 5 are not limited to be connected to the two sides of the connecting piece 316. For example, the front end of the connecting piece 316, the top plate 311 of the first cover 31, the two first side plates 312 or the second cover 32 may be used. The extension is formed and is not restricted. The structure of the two locking members 5 is not limited. In this embodiment, the two locking members 5 each have a resilient arm 51 and a locking portion 52. One end of the elastic arm 51 is connected to the mask housing 3, that is, One end of the elastic arm 51 is connectable to the connecting piece 316 of the first cover 31, and the locking portion 52 is connected to the other end of the elastic arm 51.

The second cover 32 has a bottom plate 321 and two second side plates 322 extending upward from both sides of the bottom plate 321 . The rear end of the bottom plate 321 can be extended to form a cable fastening member 323 for fastening to the cable. The second side plate 322 can be further provided with a third fastening portion 324. The third fastening portion 324 can be a buckle body or a buckle hole. In this embodiment, the third fastening portion 324 is a buckle body. . Further, each of the two sides of the bottom plate 321 may be provided with a positioning hole 325. Further, each of the two sides of the front end of the second cover 32 may be further provided with a latching piece 326.

The first cover body 31 and the second cover body 32 are engaged to form the mask case 3 , and the mask case 3 is wrapped around the rear end of the insulative housing 1 . In this embodiment, the two second fastening portions 315 of the first cover body 31 and the two third fastening portions 324 of the second cover body 32 are mutually engaged, and the two positioning pieces 317 of the first cover body 31 are interposed. Two positioning holes of the second cover 32 325, the first cover body 31 and the second cover body 32 are engaged to form the mask case 3. In addition, the two notches 318 of the first cover 31 and the two protrusions 14 of the insulative housing 1 are engaged with each other, and the two latching pieces 326 of the second cover 32 are engaged with the two latching slots 13 of the insulative housing 1 . The shield housing 3 and the insulative housing 1 are firmly coupled. However, the joint structure between the first cover body 31, the second cover body 32 and the insulative housing 1 is not limited, and may be various types of buckle bodies, hooks, positioning pieces, bumps, clips, and cards. Button holes, snap grooves, perforations, notches or snap grooves. When the first lid body 31 and the second lid body 32 are integrally formed, the joint structure of the first lid body 31 and the second lid body 32 can be omitted.

The metal casing 4 is made of metal or an alloy material thereof, and the metal casing 4 is a hollow casing. An extension portion 41 is formed at each of the rear ends of the metal casing 4, and the extension portion 41 is a bent piece. The extension portion 41 has a top wall 411 and a side wall 412. The top wall 411 and the side wall 412 can be formed. Vertically, that is, the side wall 412 may be formed to extend downward from one end of the top wall 411 to form an L-shaped extension 41. The lower end of the side wall 412 can form a second abutting end 412a. The fourth buckle portion 42 may be further disposed at the top end of the metal casing 4, and the fourth buckle portion 42 may be a snap hole or a buckle body, which may be disposed one, two or more. In the embodiment, the fourth fastening portion 42 is a snap hole, which is provided with two. A perforation 43 corresponding to the locking member 5 may be provided at each of the top sides of the top of the metal casing 4. A through hole 44 may be formed in each of the two sides of the metal casing 4, and the through hole 44 is formed at the front end of the extending portion 41.

The metal casing 4 is wrapped on the outside of the insulative housing 1. In this embodiment, the two first fastening portions 314 of the first cover 31 and the two second fastening portions 42 of the metal casing 4 are mutually engaged, and the two buckles are engaged. The sheet 326 is firstly disposed in the two through holes 44, and the two engaging tabs 326 are then engaged with the two engaging slots 13 to firmly connect the metal casing 4 with the mask housing 3 and the insulating body 1.

The insulative housing 1, the mask housing 3 and the metal housing 4 of the present invention are coupled to each other, and the two extending portions 41 of the metal housing 4 are placed on the top and the sides of the base 11 of the insulative housing 1, that is, two The top wall 411 of the extending portion 41 is placed on the top of the base 11, and the side walls 412 of the two extending portions 41 are placed on both sides of the base 11, two of the metal casings 4 The extending portion 41 is interposed between the mask housing 3 (the first cover 31) and the insulative housing 1 , and the side walls 412 of the two extending portions 41 are engaged with the two latching portions 313 of the mask housing 3 (as shown in the figure). 5), the first abutting end 313a of the latch portion 313 and the second abutting end 412a of the side wall 412 can be made to interfere with each other. Thereby, the rigidity of the electrical connector can be increased, and the shear strength can be effectively improved, so that the electrical connector does not break when tested or actually used.

However, the above description is only the preferred embodiment of the present invention, and it is not intended to limit the scope of patent protection of this creation. Therefore, the equivalent changes made by using this creation specification and the contents of the schema are all included in the right of this creation. Within the scope of protection, it is given to Chen Ming.

1‧‧‧Insulating body

11‧‧‧Base

14‧‧‧Bumps

3‧‧‧Mask shell

31‧‧‧First cover

311‧‧‧ top board

312‧‧‧ first side panel

313‧‧‧Card Department

313a‧‧‧First top end

32‧‧‧Second cover

321‧‧‧floor

322‧‧‧Second side panel

41‧‧‧Extension

411‧‧‧ top wall

412‧‧‧ side wall

412a‧‧‧Second top

Claims (11)

An electrical connector includes: an insulative housing having a base and a tongue plate projecting forwardly from the base; a plurality of terminals disposed on the insulative housing, the terminals The fixing portion of the terminal is fixed on the insulating body, the contact portion of the terminals is disposed on the tongue plate, and the soldering portion of the terminals exposes the base; a mask housing covering a rear end of the insulative housing, a cover portion of each of the two sides of the mask housing; and a metal housing covering the outside of the insulating body, the metal An extension portion is formed at each of the rear ends of the two sides, the extension portion has a top wall and a side wall, and the top wall of the two extension portions are placed on the top of the base, and the sidewalls of the two extension portions are placed The two extensions are interposed between the mask housing and the insulative housing on the two sides of the base, and the side walls of the two extensions are latched on the two latching portions of the mask housing. The electrical connector of claim 1, wherein the mask housing comprises a first cover body and a second cover body, the first cover body having a top plate and extending downward from both sides of the top plate The two first side plates have a bottom plate and two second side plates extending upward from opposite sides of the bottom plate. The first cover body and the second cover body are snap-fitted. The electrical connector of claim 2, wherein each of the two sides of the front end of the second cover is provided with a latching piece, and the two sides of the insulating body are respectively provided with a latching slot, and the two sides of the metal shell are The through holes are formed in the front end of the extending portion, and the two engaging tabs are disposed in the two through holes, and the two engaging tabs are engaged with the two engaging slots. The electrical connector of claim 2, wherein the two latching portions protrude from the inner sides of the first side plates of the first cover. The electrical connector of claim 2, wherein the top plate is provided with a first fastening portion, and a fourth fastening portion is disposed at a top end of the metal casing, the first fastening portion and the fourth fastening portion The buckle portions are snapped to each other. The electrical connector of claim 2, wherein the two first side panels are each provided with a second latching portion, and each of the second side panels is provided with a third latching portion, and the two second latching portions are The two third buckle portions are mutually buckled. The electrical connector of claim 2, wherein each of the two first side plates is provided with a positioning piece, and each of the two sides of the bottom plate is provided with a positioning hole, and the two positioning pieces are inserted into the two positioning holes. The electrical connector of claim 2, wherein the top plate is provided with two notches, and the top of the base is provided with two protrusions, and the two notches cooperate with the two protrusions. The electrical connector of claim 1, wherein the side wall is formed by extending downwardly from one end of the top wall. The electrical connector of claim 1, wherein the mask housing extends to form two locking members, the two locking members protrude from the front end of the mask housing, and the two locking members each have a An elastic arm and a locking portion, one end of the elastic arm is connected to the mask housing, the locking portion is connected to the other end of the elastic arm, and the top of the metal housing is provided with two perforations, and the two locking members are The locking portion extends through the two perforations to the outside of the metal casing. The electrical connector of claim 1, wherein the upper end of the latch portion forms a first abutting end, and the lower end of the sidewall forms a second abutting end, the first abutting end and the second end The top ends are in conflict with each other.