Electrical connection device

Electrical connection device

The present invention relates to an electrical connection device, and more particularly to an electrical connection device for an electronic card.

An electrical connection device for electrically connecting an electronic card, for example, disclosed in the Taiwan Patent Publication No. M312830, comprising an electrical connector and a positioning frame carrying an electronic card, wherein the electronic card is positioned by the positioning frame, Then insert the positioning frame together with the electronic card into the slot of the electrical connector to electrically connect the electronic card to the electrical connector.

In order to enable the positioning frame to be held on the electrical connector, the aforementioned patents are provided by the opposing convex portions provided on both sides of the positioning frame, and the pair of side walls of the seat provided on both sides of the socket of the electrical connector. The bit holes cooperate to hold the positioning frame. However, since the alignment hole is provided on the side wall of the seat body, the strength of the side wall is easily broken, and the side wall is easily damaged. However, if the thickness of the side wall is increased, the width of the seat body is increased. How to make the positioning frame can be stuck with the electrical connector without destroying the strength of the seat and without increasing the volume of the electrical connector, and there is room for improvement.

Accordingly, it is an object of the present invention to provide an electrical connection device having a snap-fit structure that does not increase the volume and structural strength of the electrical connector.

Therefore, according to a preferred embodiment of the present invention, the electrical connection device of the present invention comprises: an electrical connector and a carrier. The electrical connector includes an insulative base, a metal housing, and a plurality of conductive terminals. The insulating base has a body, the conductive terminal is disposed on the body, the metal shell is sleeved on the insulating base, and defines a slot together with the insulating base, and the slot position of the slot corresponds to the front end of the body, and the carrier Slide to the slot. The insulating base further includes at least one card slot disposed on the body and adjacent to the front end, and the carrier has a card block that cooperates with the card slot, and the card holder is detachably connected by the card slot and the card block Retained in the electrical connector. According to another preferred embodiment of the present invention, the electrical connection device comprises: an electrical connector and a carrier, the electrical connector comprising an insulating base, a metal housing and a plurality of conductive terminals disposed on the insulating base The metal casing is sleeved on the insulating base and defines a slot together with the insulating base, and the metal casing comprises a base wall and two opposite side walls, and the slot position of the slot corresponds to the front end of the base wall, and the carrier Slide to the slot. The metal housing further includes at least one card hole disposed at the base wall and adjacent to the front end, and the carrier has a card block that cooperates with the card hole, and the card block has two guides on opposite sides of the sliding direction respectively. The surface of the card holder is detachably held by the electrical connector by the card hole and the card block. The function of the present invention is that the electrical connection device of the present invention is connected to the card holder of the carrier by the card slot provided in the extending region of the body corresponding to the conductive terminal of the insulating base, so that the carrier can be held by the electrical connector, and Increase the size of the electrical connector without breaking the strength of the insulating base. Alternatively, by holding the card hole of the metal casing and the card block of the carrier, the carrier can be held without increasing the capacity of the electrical connector and not damaging the strength of the insulating base.

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 Figures 1, 2 and 3, a first preferred embodiment of the present invention comprises: an electrical connector 1 and a carrier 6, the electrical connector 1 being soldered to the circuit board 91, the carrier 6 for carrying a The electronic card 92 electrically connects the electronic card 92 to the electrical connector 1, and electrically connects the electronic card 92 to the circuit board 91. In the present embodiment, the electronic card 92 is a SIM (Subscriber Identity Module) card. The electronic card connector 1 can mount the upper surface or the lower surface of the circuit board 91.

The electrical connector 1 includes an insulating base 2, a metal housing 3, and a plurality of conductive terminals 4, 5. One of the conductive terminals 4, 5 is a detecting terminal 4, and the rest is a signal terminal 5.

The insulating base 2 has a body 21, a retaining wall 22, an extending wall 23 and two side walls 24, 25. The rear side edge of the body 21 is integrally connected to the retaining wall 22 and the extension wall 23. The extension wall 23 is connected to one end of the retaining wall 22 and protrudes rearward in an L shape. The two side walls 24 and 25 are respectively connected to opposite sides of the body 21 in the card insertion direction, and the rear end of the side wall 24 is connected to the retaining wall 22, and the rear end of the other side wall 25 is connected to the extension wall 23.

The metal shell 3 is sleeved on the insulating base 2, and has a base wall 31 and two side walls 32 respectively connected to opposite sides of the base wall 31 and respectively mated with the two side walls 24, 25 of the insulating base 1, Together with the insulating base 2, a slot 33 located in front of the retaining wall 22 and a rearward extending space 34 located behind the retaining wall 22 and communicating with the card slot 33 are defined. In this embodiment, the extended space 34, that is, the extension wall 23, the body 21 and the metal casing 3 together form a space that protrudes rearward relative to the retaining wall 22. The notch position of the slot 33 corresponds to the front end 211 of the body 21 of the insulating base 2.

2, 4, 5, and 6, the detecting terminal 4 is disposed on the body 21 of the insulating base 2, and has a first fixing portion 41, a first elastic arm portion 42, a first contact portion 43, and a first Welding portion 44. The first fixing portion 41 is located in front of the retaining wall 22, that is, at the slot 33. The first elastic arm portion 42 extends from the first fixing portion 41 toward the rearward extending space 34 and upwardly, and the end is connected to the first contact portion 43. Specifically, the first elastic arm portion 42 has a slow connection. The rising section 421 and the rising section 422 are connected to the first fixing portion 41, and the rising section 422 is located behind the retaining wall 22 and connected to the first contact portion 43. The first contact portion 43 is located in the rearward extending space 34 behind the retaining wall 22 and is in contact with the base wall 31 of the metal casing 3. The first solder portion 44 extends from the first fixing portion 41 out of the insulating base 2 to be soldered to the circuit board 91.

The plurality of signal terminals 5 are disposed on the body 21 of the insulating base 2, and have a second contact portion 51, a second fixing portion 52, a second elastic arm portion 53, and a second solder portion 54 respectively located in the slot 33. . The second fixing portion 52 is located in front of the retaining wall 22, that is, in the slot 33. The second elastic arm portion 53 is extended by the second fixing portion 52, and the end is connected to the second contact portion 51. The second soldering portion 54 extends from the second fixing portion 52 out of the insulating base 2 to be soldered to the circuit board 91.

The detecting terminal 4 and the signal terminal 5 are integrally formed with the insulating base 2 by means of an insert-molding method.

Referring to FIGS. 1 and 2, the insulating base 2 further includes at least one card slot 26 disposed on the body 21 and adjacent to the front end 211. In this embodiment, the insulating base 2 includes two card slots 26, respectively disposed on The two sides of the body 21 near the front end 211 are also respectively located at two sides of the second soldering portion 54 of the front row signal terminal 5, that is, the body 21 corresponds to the area extended by the length of the second soldering portion 54, so that the electrical connector is not added. The volume of 1 does not damage the strength of the insulating base 2.

Referring to FIGS. 1 to 3, the carrier 6 has a receiving portion 61, a latching portion 62, a receiving slot 63, and two latching blocks 64 respectively mating with the latching slots 26. The accommodating groove 63 is disposed on the carrying portion 61 and has a shape matching with the electronic card 92 to accommodate the electronic card 9. The blocks 64 are disposed on the engaging portions 62 and each have two guiding faces 641 on opposite sides of the sliding direction. As shown in FIG. 7, the electronic card 92 can be combined in the receiving groove 63 of the carrier 6. Referring to Figures 8, 9, and 10, the carrier 6 is slidably coupled to the slot 33, and the carrier portion 61 is inserted into the slot 33, and the latching block 64 and the latching slot 26 of the insulating base 2 are engaged with each other. The electronic card 92 is electrically connected to the conductive terminal (signal terminal 5) of the electrical connector 1, and the carrier 6 is detachably held by the electrical connector 1, so that the electrical connection between the electronic card 92 and the electronic card connector 1 is relatively stable. When the carrier 6 is to be withdrawn, the portion of the carrier 6 that is exposed outside the electrical connector 1 is pulled outward, so that the guiding surface 641 of the card 64 can be used to make the card 64 easily disengage from the card slot 26 and can be used without The metal casing 3 is buckled and detached under the elasticity; of course, the portion of the carrier 6 exposed to the outside of the electrical connector 1 can be lifted up, and the elasticity of the metal casing 3 can be utilized to disengage the block 64. The card slot 26 facilitates the withdrawal of the carrier 6. Moreover, since the slot 26 is adjacent to the slot of the slot 33, the wiping distance between the carrier 6 and the insulating base 2 can be minimized to reduce wear between the two.

Referring to FIG. 11 , when the electronic card 92 is inserted into the slot 33 and the carrier 33 is positioned, the front end 611 of the carrying portion 61 abuts against the retaining wall 22 and does not contact the first contact of the detecting terminal 4 in the rearward extending space 34 . The first elastic arm portion 42 of the detecting terminal 4 is pressed by the carrying portion 61 and the electronic card 92 to move into the body 21, so that the first contact portion 43 is away from the base wall 31 of the metal casing 3 to form an open circuit. In order to detect the status of the inserted card (or to start the power supply). When the electronic card 92 and the carrier 6 are removed from the slot 33, the first resilient arm portion 42 is returned to the original position, so that the first contact portion 43 is electrically connected to the metal housing 3, thereby detecting that the electronic card connector 1 is not inserted. Card status (or used to cut off the power supply).

Referring to Figures 12 and 13, the second preferred embodiment of the present invention is substantially identical to the first preferred embodiment. However, in the first preferred embodiment, the card slot 26 and the carrier of the insulating base 2 are used. The blocks 64 of 6 are mated, and in the second preferred embodiment, the card holes 35 of the metal housing 3 are mated with the blocks 64 of the carrier 6. That is, in the second preferred embodiment, the metal casing 3 further includes two card holes 35 disposed at the front end of the base wall 31, and the position of the block 64 of the carrier 6 is disposed at the engaging portion 62. One side of the base wall 31 of the metal casing 3, and similarly, by the engagement of the card hole 35 with the block 64, the carrier 6 can be detachably held by the electrical connector 1. Moreover, in the second preferred embodiment, each of the blocks 64 also has two guiding faces 641 on opposite sides of the sliding direction, so that the blocks 64 are easily separated from the card holes 35.

In summary, the electrical connecting device of the present invention is engaged with the block 64 of the carrier 6 by the card slot 26 provided in the region where the body 21 extends corresponding to the length of the second soldering portion 54, so that the carrier 6 can be held by The electrical connector 1 does not increase the volume of the electrical connector 1 and does not damage the strength of the insulating base 2. Or, by engaging the card hole 35 of the metal casing 3 with the card block 64 of the carrier 6, the carrier 6 can be fixed without increasing the capacity of the electrical connector 1.

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.

<p>1. . . Electrical connector</p><p>2. . . Insulated base</p><p>twenty one. . . Ontology</p><p>211. . . Ontology front end</p><p>twenty two. . . Retaining wall</p><p>twenty three. . . Extension wall</p><p>twenty four. . . Side wall</p><p>25. . . Side wall</p><p>26. . . Card slot</p><p>3. . . Metal housing</p><p>31. . . Base wall</p><p>32. . . Side wall</p><p>33. . . Slot</p><p>34. . . Postponed space</p><p>35. . . Card hole</p><p>4. . . Detection terminal</p><p>41. . . First fixed part</p><p>42. . . First elastic arm</p><p>421. . . Slow rise section</p><p>422. . . Steep rise</p><p>43. . . First contact</p><p>44. . . First weld</p><p>5. . . Signal terminal</p><p>51. . . Second contact</p><p>52. . . Second fixed part</p><p>53. . . Second elastic arm</p><p>54. . . Second weld</p><p>6. . . Carrier</p><p>61. . . Carrying part</p><p>611. . . Bearer front end</p><p>62. . . Card joint</p><p>63. . . Locating slot</p><p>64. . . Block</p><p>641. . . Guide surface</p>

1 is a perspective view showing a combination of a first preferred embodiment of the present invention and an electronic card and a circuit board;

Figure 2 is an exploded perspective view of Figure 1;

Figure 3 is another perspective view of Figure 2;

4 is an exploded perspective view showing an insulating base, a detecting terminal, and a plurality of signal terminals of the first preferred embodiment;

Figure 5 is a bottom plan view of the electrical connector of the first preferred embodiment;

Figure 6 is a cross-sectional view taken along line VI-VI of Figure 5;

Figure 7 is a combination diagram showing a carrier of the first preferred embodiment and the electronic card;

Figure 8 is a bottom view of Figure 1, wherein the circuit board is removed;

Figure 9 is a cross-sectional view taken along line IX-IX of Figure 8;

Figure 10 is a cross-sectional view taken along line XX of Figure 8;

Figure 11 is a cross-sectional view taken along line XI-XI of Figure 8;

FIG. 12 is a perspective view showing a combination of a second preferred embodiment of the present invention and an electronic card and a circuit board; and

Figure 13 is a perspective view showing the electrical connector and carrier of the second preferred embodiment.