TWM446431U - Electrical connector - Google Patents

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to an electrical connector for electrically connecting an electronic device such as a lens module.

At present, most mobile phones or portable computers have a camera function, and the lens modules for the camera are very small, and must be electrically connected to the circuit board (the motherboard) through the electrical connector.

For example, Taiwan New Patent Publication No. M320794 (corresponding to the Continental Patent Publication No. CN201018141Y, US Pat. No. 7,467,795) discloses a sinker type electrical connector for electrically connecting a lens module, which comprises an insulating body provided with a receiving space, and is held. a plurality of terminals in the insulative housing, and upper and lower housings covering the insulative housing. The soldering portions of the terminals protrude from the opposite sides of the insulating body to the outside of the insulating body, and the upper and lower housings respectively have a plurality of soldering pieces on the outer side of the opposite side walls of the insulating body, and the soldering portions and the soldering portions The soldering piece surrounds the outside of the insulating body and is soldered to the circuit board together.

Since the upper casing and the lower casing are respectively fixed to the insulating body, the welding piece of the upper casing and the welding piece of the lower casing are less likely to be coplanar, that is, it is not easy to be laid flat on the board surface of the circuit board. Furthermore, since the upper and lower housings are first fixed to the insulative housing when the electrical connector is mounted on the circuit board, it is not easy to adjust the position of the solder tabs to be coplanar, thus causing some solder tabs to fail. Contact the board without soldering to the board, reducing the yield of the board.

Accordingly, it is an object of the present invention to provide an electrical connector that can improve the solder yield of a metal case to a circuit board.

The electrical connector of the present invention is adapted to be disposed on a circuit board having a receiving opening and located at the receiving opening, and partially protrudes from the upper surface of the circuit board and partially protrudes from the lower surface of the circuit board. .

One aspect of the novel electrical connector includes an insulating base, a plurality of terminals disposed on the insulating base, and a metal case. The metal casing includes an upper casing and a lower casing, and the upper and lower sides are sleeved on the insulating base, and together with the insulating base, define an opening space with an opening facing upward. The upper casing has at least one concave portion and a plurality of first welding pieces protruding laterally outward. The lower casing has at least one convex portion corresponding to the concave portion of the upper casing and a plurality of second welding pieces protruding laterally outward. The convex portion projects into the concave portion and is movable up and down within the concave portion. The first soldering tabs and the second soldering tabs are spaced apart for soldering to the upper surface of the circuit board.

Another aspect of the novel electrical connector includes an insulative base, a plurality of terminals disposed on the insulative base, and a metal case. The insulating base has at least one recess. The metal casing includes an upper casing and a lower casing, and the upper and lower sides are sleeved on the insulating base, and together with the insulating base, define an opening space with an opening facing upward. The upper housing has a plurality of first solder tabs that laterally protrude outwardly. The lower case has at least one convex portion corresponding to the concave portion of the insulating base and a plurality of second soldering pieces projecting laterally outward. The convex portion projects into the concave portion and is movable up and down within the concave portion. The first soldering piece and the second soldering piece are spaced apart for soldering to the circuit board Board surface.

The effect of the present invention is that the upper and lower casings can be adjusted upward and downward relative to each other, so that the first welding piece and the second welding piece can contact the upper plate surface of the circuit board to ensure the first welding. Both the piece and the second soldering piece can be soldered to the circuit board, and the soldering yield can be improved.

The above and other technical contents, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments.

Before the present invention is described in detail, it is noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to FIG. 1, FIG. 2 and FIG. 10, the first preferred embodiment of the present invention is adapted to be disposed on a circuit board 9 having a receiving opening 91 and located at the receiving opening 91. The upper plate surface 92 of the circuit board 9 is partially protruded, and the lower plate surface 93 of the circuit board 9 is partially protruded. An electronic device 8 for electrically connecting, for example, a camera lens module.

Referring to FIG. 1 , FIG. 3 to FIG. 5 , the electrical connector 100 includes an insulating base 1 , a plurality of terminals 2 , and a metal shell. The metal shell includes an upper casing 3 and a lower casing 4, which are sleeved on the insulating base 1 in combination with the upper and lower sides, and together with the insulating base 1, define an opening space 5 with an opening upward to accommodate the metal housing. Electronic device 8.

The insulating base 1 has a base 11, a pair of first side walls 12 extending upwardly from the side edges of the base 11, and a pair of oppositely extending second from the side edges of the base 11 respectively. The side wall 13 and the plurality of terminal slots 14. In this embodiment, the first side wall 12 and the second side wall 13 together form a frame structure. The terminal slots 14 extend from the base 11 to the second side walls 13, respectively.

The terminals 2 are respectively disposed in the second side wall 13 in two rows and are correspondingly received in the terminal slots 14 . Each of the terminals 2 has a fixing portion 21 fixed to the corresponding second side wall 13 , a welded portion 22 bent outwardly from the upper end of the fixing portion 21 , and a lower end of the fixing portion 21 bent toward the accommodating space 5 The extending elastic arm 23 and a contact portion 24 formed at the end of the elastic arm 23 are located in the accommodating space 5. The soldering portions 22 respectively protrude from the outer sides of the second side walls 13 and are soldered to the upper surface 92 of the circuit board 9.

The upper casing 3 has an opposite pair of first upper side walls 31, a pair of opposite second upper side walls 32, a plurality of first welded pieces 33, a plurality of concave portions 34, a pair of shielding flaps 35, and a plurality of elastic locks. The cleat 36 and the plurality of lateral pressing pieces 37. The first upper side walls 31 are respectively located outside the first side walls 12 . The second upper sidewalls 32 are respectively located inside the second side walls 13 , and the second upper sidewalls 32 are respectively connected to the first upper sidewalls 31 to form a frame structure. The first soldering pieces 33 are laterally protruded outward from the first upper side walls 31, respectively. The recesses 34 are respectively formed on the first upper sidewalls 31. In the embodiment, each of the recesses 34 is correspondingly formed by stamping each of the first soldering tabs 33 on the first upper sidewall 31 and outwardly connecting the first soldering tabs 33. The openings formed after the folding, that is, the recesses 34 are respectively openings through the corresponding first upper side walls 31. The shielding fins 35 are respectively bent and extended by the top edges of the second upper sidewalls 32 to shield the soldering portions 22, and have good Electromagnetic shielding to protect terminal 2 from external signal interference to ensure signal transmission stability. Each of the shielding fins 35 has a plurality of soldering points 351 extending downward for increasing the soldering area of the upper housing 3 to the circuit board 9, and enhancing the soldering of the upper housing 3 and the circuit board 9. The elastic locking tabs 36 are divided into a plurality of spaced apart openings. In this embodiment, there are four groups, which are symmetrically disposed on the second upper side walls 32, and are integrally extended by the second upper side walls 32 and protruded into the space. Set space 5. Each set of two elastic locking pieces 36 are juxtaposed adjacent to each other and have a height difference between the free ends for locking the electronic device 8 accommodated in the accommodating space 5, by the free ends of each set of two elastic locking pieces 36 The height difference can allow the electronic device 8 to have a large tolerance, because each set of at least one elastic locking piece 36 can abut against the step 81 of the electronic device 8, ensuring that the elastic locking piece 36 can securely lock the electronic device 8, The conductive pad 82 at the bottom of the electronic device 8 can be pressed against the contact portion 24 of the terminal 2 so that the two can be stably contacted. The lateral pressing pieces 37 are bent from the top edges of the first upper side walls 31 and the second upper side walls 32 to extend into the accommodating space 5 for pressing against the peripheral side of the electronic device 8 to The device 8 is positioned or further in contact with the ground point of the electronic device 8 to effect grounding through the metal case.

The lower housing 4 has an opposite pair of first lower sidewalls 41, a bottom wall 42, an opposite pair of second lower sidewalls 43, a plurality of second soldering tabs 44, and a plurality of the respective upper housings 3 The convex portion 45 corresponding to the concave portion 34. The first lower sidewalls 41 respectively correspond to the first upper sidewalls 31 and are respectively adjacent to the outer sides of the first upper sidewalls 31 at the lower portions of the first solder tabs 33. The bottom wall 42 connects the first lower sidewalls 41 and the second lower sidewalls 43 And covering the outer side of the substrate 11 of the insulating base 1. The second lower sidewalls 43 respectively cover portions of the second spacers 13 of the insulating base 1 below the soldering portions 22 of the terminals 2. The second soldering strips 44 are laterally protruded outwardly from the first lower sidewalls 41, and are respectively spaced apart from the first soldering strips 33. The protrusions 45 are respectively protruded from the first lower sidewalls 41, and are further referred to FIG. 6 and FIG. 7. In the embodiment, the protrusions 45 are respectively formed by the corresponding first lower sidewalls 41. Correspondingly, the elastic piece extending downward from the concave portion 34 extends into the corresponding concave portion 34 and can move up and down in the corresponding concave portion 34. When the upper casing 3 and the lower casing 4 are sleeved on the insulating base 1 in the upper and lower portions, the convex portions 45 can respectively define the wall surfaces of the concave portions 34 against the corresponding first upper side walls 31, so that the lower portion The housing 4 is not dropped by gravity. Moreover, since the convex portions 45 can move up and down in the corresponding concave portions 34, the upper casing 3 and the lower casing 4 can be relatively vertically floated. In this embodiment, although the corresponding recessed portion 34 and the convex portion 45 are plural, the support of the lower casing 3 can be balanced, but only one corresponding recess 34 and one convex portion 45 can also prevent the lower portion. The effect of the housing 4 falling down. Because the two first lower sidewalls 41 of the lower casing 4 are respectively adjacent to the outside of the first upper sidewalls 31 and the two second lower sidewalls 43 thereof are respectively adjacent to the outside of the two second sidewalls 13 of the insulating base 1 Therefore, although only one corresponding recess 34 and one convex portion 45 are supported, the lower casing 4 can be prevented from falling off and can float up and down with respect to the upper casing 3.

Referring to FIGS. 8-11, when the electrical connector 100 is to be mounted on the circuit board 9, as shown in FIGS. 8 and 9, first contact with the upper surface 92 of the circuit board 9 is the second soldering of the lower case 4. Sheet 44, and the first soldering piece of the upper casing 3 33 is also some distance from the upper plate surface 92 of the circuit board 9. The upper casing 3 and the lower casing 4 can be vertically adjusted relative to each other. As shown in FIG. 10 and FIG. 11, the upper casing 3 is moved downward relative to the lower casing 4, so that the first welding pieces 33 can be made. Contacting the upper surface 92 of the circuit board 9 such that the first soldering tabs 33 and the second soldering tabs 44 are in contact with the upper surface 92 of the circuit board 9, ensuring the first soldering tabs 33 and the same The two soldering pads 44 can be soldered to the circuit board 9, and the soldering yield can be improved.

Referring to FIGS. 12-15, the second preferred embodiment of the present electrical connector 100 is substantially identical to the first preferred embodiment. However, in the second preferred embodiment, the first upper sidewall of the upper housing 3 31 is short in height and does not overlap with the first lower sidewall 41 of the lower casing 4, and the first lower sidewalls 41 are respectively located below the first upper sidewalls 31 and are co-located on the first sides of the insulating base 1 Outside the wall 12. In addition, the insulating base 1 has a plurality of recesses 15 respectively corresponding to the convex portions 45 of the lower casing 4, and in the embodiment, the recesses 15 are respectively corresponding to the first side wall 12 The groove on the outer side of the outer side is recessed. That is, in the second preferred embodiment, the recesses 15 respectively formed in the first side walls 12 are substituted for the recesses respectively formed in the first upper side walls 31 in the first preferred embodiment. 34. The concave portions 15 are respectively configured to cooperate with the convex portions 45 such that the convex portions 45 can respectively define the wall surfaces of the concave portions 15 corresponding to the corresponding first side walls 12, and can be in the corresponding concave portions 15 Moving up and down can also achieve the effect of preventing the lower casing 4 from falling downward and allowing the lower casing 4 to float up and down. Thereby, the first soldering piece 33 and the second soldering piece 44 can also be brought into contact with the upper plate surface 92 of the circuit board 9 to ensure the first soldering piece 33 and the second soldering. The tabs 44 can be soldered to the circuit board 9 to improve soldering yield.

In summary, the upper housing 3 and the lower housing 4 can be adjusted upward and downward relative to each other, so that the first soldering piece 33 and the second soldering piece 44 can contact the upper surface 92 of the circuit board 9 together. It is ensured that the first soldering piece 33 and the second soldering piece 44 can be soldered to the circuit board 9, and the soldering yield can be improved.

However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention cannot be limited thereto, that is, the simple equivalent change and modification made by the novel patent application scope and the novel description content, All remain within the scope of this new patent.

100‧‧‧Electrical connector

32‧‧‧Second upper side wall

1‧‧‧Insulated base

33‧‧‧First soldering piece

11‧‧‧Base

34‧‧‧ recess

111‧‧‧stop step

35‧‧‧Shading flaps

12‧‧‧First side wall

351‧‧‧ solder joints

13‧‧‧Second side wall

36‧‧‧Flexible locking clips

14‧‧‧Terminal slot

37‧‧‧ lateral compression sheet

15‧‧‧ recess

4‧‧‧ Lower case

2‧‧‧ terminals

41‧‧‧First lower side wall

21‧‧‧ Fixed Department

42‧‧‧ bottom wall

22‧‧‧Weld Department

43‧‧‧Second lower side wall

23‧‧‧Flexible arm

44‧‧‧Second welding piece

24‧‧‧Contacts

45‧‧‧ convex

3‧‧‧Upper casing

5‧‧‧ accommodating space

31‧‧‧First upper side wall

1 is an exploded perspective view showing the first preferred embodiment of the present invention and a circuit board; FIG. 2 is a perspective view showing the first preferred embodiment mounted on the circuit board and having a capacity FIG. 3 is an exploded view of FIG. 2 illustrating the first preferred embodiment; FIG. 4 is another perspective view of FIG. 3; FIG. 5 is a perspective view illustrating the first comparison from another perspective. Fig. 6 is a side view showing the first preferred embodiment; Fig. 7 is a cross-sectional view taken along line VII-VII of Fig. 6, illustrating the lower housing of the first preferred embodiment. The relationship between the convex portions and the corresponding concave portions of an upper casing; FIGS. 8 to 11 illustrate the first preferred embodiment mounted on the circuit board FIG. 9 is an enlarged view of the circled area of FIG. 8 and FIG. 11 is an enlarged view of the circled area of FIG. 10; FIG. 12 is an enlarged view of the upper case and the lower case. A perspective view of a second preferred embodiment of the present invention; FIG. 13 is another perspective view of FIG. 12; FIG. 14 is a side view of the second preferred embodiment; and FIG. A cross-sectional view taken along the line XV-XV in Fig. 14 illustrates the action of the plurality of convex portions of the lower casing and the corresponding concave portion of an insulating base of the second preferred embodiment.

100‧‧‧Electrical connector

11‧‧‧Base

12‧‧‧First side wall

2‧‧‧ terminals

3‧‧‧Upper casing

31‧‧‧First upper side wall

32‧‧‧Second upper side wall

33‧‧‧First soldering piece

34‧‧‧ recess

36‧‧‧Flexible locking clips

37‧‧‧ lateral compression sheet

4‧‧‧ Lower case

41‧‧‧First lower side wall

42‧‧‧ bottom wall

45‧‧‧ convex

Claims (10)

An electrical connector is disposed on a circuit board having a receiving opening and located at the receiving opening, and partially protrudes from the upper surface of the circuit board and partially protrudes from the lower surface of the circuit board The electrical connector includes: an insulating base; a plurality of terminals disposed on the insulating base; and a metal case including an upper case and a lower case, the upper and lower sides of which are sleeved on the insulating base And the insulating base defines an opening space facing upwardly, the upper housing has at least one recess and a plurality of first soldering pieces protruding laterally outwardly, the lower housing having the upper shell At least one convex portion corresponding to the concave portion of the body and a plurality of second welding pieces projecting laterally outwardly, the convex portion extending into the concave portion and movable up and down in the concave portion, the first welding piece and the first The two soldering pads are spaced apart for soldering to the upper surface of the circuit board. The electrical connector of claim 1, wherein the insulating base has a base and a pair of first side walls respectively extending upward from a side edge of the base; the upper housing has a plurality of And a first pair of first upper sidewalls respectively located outside the first sidewalls, the first soldering sheets are respectively protruded from the first upper sidewalls, and the first recesses are respectively protruded from the first sidewalls The recesses are respectively formed on the first upper sidewalls, and the lower casing has a plurality of protrusions respectively corresponding to the recesses, and further has an opposite pair of first lower sidewalls and a first lower sidewall connecting the first lower sidewalls a bottom wall, the first lower sidewalls respectively corresponding to the first upper sidewalls, wherein the second soldering sheets are respectively protruded from the first lower sidewalls, and the convex portions are respectively The first lower sidewall protrudes and respectively protrudes into the corresponding recess and is movable up and down within the corresponding recess. The electrical connector of claim 2, wherein the first lower sidewalls are respectively adjacent to the outer sides of the first upper sidewalls below the first solder tabs, and the recesses are respectively An opening of the corresponding first upper sidewall is formed, and the protrusions are respectively a spring piece extending obliquely downward from the corresponding first lower sidewall toward the corresponding recess. The electrical connector of claim 2, wherein the insulating base further has a pair of second side walls respectively extending upward from the side edges of the base, the terminals being respectively arranged in two rows The second side wall is disposed on the second side wall and each of the terminals has a soldering portion. The soldering portions respectively protrude outside the second side walls and are soldered to the upper surface of the circuit board. The electrical connector of claim 4, wherein the upper housing further has a pair of second upper sidewalls and a pair of shielding fins, the second upper sidewalls being respectively located inside the second sidewalls And the shielding fins are respectively bent and extended by the top edges of the second upper sidewalls to shield the soldering portions. An electrical connector is disposed on a circuit board having a receiving opening and located at the receiving opening, and partially protrudes from the upper surface of the circuit board and partially protrudes from the lower surface of the circuit board The electrical connector comprises: an insulating base having at least one recess; a plurality of terminals disposed on the insulating base; and a metal case including an upper casing and a lower casing, the upper and lower combinations of the two Provided on the insulating base and defined together with the insulating base The upper housing has a plurality of first soldering pieces protruding laterally outwardly, the lower housing having at least one convex portion and a plurality of outer sides corresponding to the concave portion of the insulating base a laterally protruding second soldering piece, the convex portion extending into the concave portion and movable up and down in the concave portion, the first soldering piece and the second soldering piece being spaced apart for soldering to the circuit board On the board. The electrical connector of claim 6, wherein the insulating base has a plurality of recesses, and further has a base and a pair of first side walls that are respectively oppositely extended from side edges of the base The upper sidewalls are respectively formed on the first side walls, and the upper housing further has an opposite pair of first upper sidewalls respectively located outside the first sidewalls of the insulating base. The first soldering sheets are respectively protruded from the first upper sidewalls, and the lower casing has a plurality of convex portions respectively corresponding to the concave portions, and further has an opposite pair of first lower sidewalls and a connection Waiting for the bottom wall of the first lower side wall, the first lower side walls respectively corresponding to the first upper side wall, and the second soldering pieces are respectively protruded from the first lower side walls, and the convex portions are respectively The first lower sidewall protrudes and respectively protrudes into the corresponding recess and is movable up and down within the corresponding recess. The electrical connector of claim 7, wherein the first lower sidewalls are respectively located below the first upper sidewalls and are co-located outside the first sidewalls of the insulating base, and the same The recesses are respectively recessed inwardly from the outer side surface of the corresponding first side wall, and the protrusions are respectively a spring piece extending obliquely downward from the corresponding first lower side wall toward the corresponding recessed portion. The electrical connector of claim 7, wherein the insulating base further has a pair of second side walls respectively extending upward from the side edges of the base, the terminals being respectively arranged in two rows The second side wall is disposed on the second side wall and each of the terminals has a soldering portion. The soldering portions respectively protrude outside the second side walls and are soldered to the upper surface of the circuit board. The electrical connector of claim 9, wherein the upper housing further has a pair of second upper sidewalls and a pair of shielding fins, the second upper sidewalls being respectively located inside the second sidewalls And the shielding fins are respectively bent and extended by the top edges of the second upper sidewalls to shield the soldering portions.