TWI382598B - Electrical connector - Google Patents

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to an electrical connector that electrically connects electronic components to a circuit board.

With the rapid development of the electronics industry, mobile phones have become a universally used electronic portable device, and the electrical connector that electrically connects external electronic components to the mobile phone motherboard is one of the indispensable components in the mobile phone. Therefore, the above electrical connector Good electrical conduction plays a vital role in mobile phones.

The Chinese mainland invention patent application filed on October 3, 2003 and published on November 30, 2005, CN 1703808 A, discloses an electrical connector for accommodating an electronic card, and in an electronic card and Establishing a conduction path between the circuit boards, comprising at least an insulating body, a conductive terminal received in the insulating body, and a metal cover covering the insulating body, wherein the insulating body includes at least a pair of sidewalls, and the upper surface of the sidewall is disposed The metal cover body has a plate-shaped top plate covering the insulating body, and a side plate extending perpendicularly from the two end edges of the top plate and covering the side wall of the insulating body, wherein the top plate of the metal cover body is provided a vertically protruding assembly joint, when the metal cover is assembled on the insulating body, the assembly joint is inserted into the mounting groove of the insulating body, whereby the metal cover and the insulating body are held together, when the electronic card is inserted When placed, the electrical contacts on the electronic card are electrically connected to the conductive terminals, thereby establishing an electrical conduction path between the electronic card and the circuit board.

However, in the manner in which the electrical connector metal cover and the insulating body are held If the fitting joint and the fitting groove adopt an interference fit or an interference fit, the assembly of the metal cover body and the insulating body becomes very difficult, and the assembly joint may be damaged, thereby affecting the holding effect of the metal cover body and the insulating body. Conversely, if the fitting joint and the mounting groove are gap-fitted, the metal cover and the insulating body cannot be well held, especially during the insertion of the electronic card, the metal cover may be inserted in the card. The direction and the direction of the ejecting direction are displaced, especially the direction of the ejecting card. Thus, the electronic card cannot be in good contact with the conductive terminals.

In view of the above problems, it is necessary to provide an improved electrical connector to solve the above problems.

It is an object of the present invention to provide an electrical connector in which the cover body and the insulative housing are held in a stable manner, in particular, during the insertion of the electronic card, the cover body is not displaced in the retracting direction.

To achieve the above object, the present invention provides an electrical connector for inserting an electronic component, comprising at least an insulative housing, a terminal module, and a cover over the insulative housing, the insulative housing including the rear wall and the two ends of the rear wall a side wall extending forwardly with the same direction, an insertion space formed between the rear wall and the side wall, the cover body comprises a top plate and a side plate extending downward from both ends of the top plate and covering the outer surface of the side wall of the insulating body, and the cover body is further provided The elastic piece and the tearing part are arranged, wherein the extending direction of the elastic piece is opposite to the insertion direction, and the extending direction of the tearing part is in the same direction as the extending direction of the side plate. Accordingly, the insulating body is provided to cooperate with the elastic piece to prevent the cover body from moving toward the card retracting direction. The groove and the groove that cooperates with the tear portion and prevents the cover from moving further toward the card insertion direction.

In order to achieve the above object, the present invention further provides an electronic component insertion The electrical connector includes at least an insulative housing, a terminal module, a cover body, and a bearing mechanism for receiving the electronic component. The cover body is provided with a spring piece, and the insulative housing is provided with a recess for receiving the elastic piece. Prevent the cover from moving in the direction of the card withdrawal.

Compared with the prior art, the present invention has the following beneficial effects: the cover body is provided with a spring piece, and the insulating body is correspondingly provided with a groove, and the cooperation of the spring piece and the groove prevents the cover body from moving in the direction of the card retracting, so After the electronic card is inserted into the electrical connector, it does not move in the direction of the card retracting, so that the terminal module can be stably contacted, and a good electrical conduction path is established between the electronic card and the circuit board.

Referring to the first to sixth figures, the present electrical connector is used to establish an electrical conduction path between the electronic card 9 and the circuit board (not shown), including the insulative housing 1 and the insulative body respectively. A pair of switch terminals 4, a pair of locking elements 2, a holding member 6, a cover 7 fastened above the insulative housing 1, a terminal module 3, and a carrying mechanism 5 of the electronic card 9.

The insulative housing 1 is composed of a rear wall 11 and side walls 13 and 15 extending forwardly from both ends of the rear wall 11 and arranged in parallel. In addition, the insulative housing 1 includes a mounting surface (not labeled) opposite to the circuit board and a mounting surface. The upper surface (not shown), wherein the upper surface of the rear wall 11 is provided with a first receiving groove 113 matching the shape of the switch terminal 4, and the mounting surface of the rear wall 11 is provided with a second receiving body matched with the holding member 6. The groove 117, the mounting surfaces of the pair of side walls 13, 15 are respectively provided with third receiving grooves 135, 155 matching the shape of the locking member 2, and the second and third receiving grooves 117, 135, 155 are connected to each other, The back wall 11 of the insulating body 1 is formed to extend between the side walls 13, 15 The space receiving portion 111, and the receiving portion 111 is gradually thinned from one end to the other end of the rear wall 11, so that the guiding mechanism is guided in the process of assembling the insulating body 1 into the insulating body 1.

In addition, in order to insert the bearing mechanism 5 into the insulative housing 1 more smoothly, the upper surface of the side walls 13, 15 of the insulative housing 1 is provided with oppositely extending crotch portions 137, the top surface of each crotch portion 137 and the corresponding side wall 13 The inner wall of 15 forms a guiding channel 17.

The switch terminal 4 includes first and second switch terminals 41, 42 having substantially the same structure, each switch terminal 4 including a base portion (not shown), a holding portion 415, 425 bent at a right angle from one end of the base portion, and a base portion The other end is bent to extend the contact portions 411, 421, wherein the base portion is provided with a first interference portion (not labeled) that interferes with the first receiving groove 113 of the insulative housing 1.

The holding member 6 is assembled into the insulative housing 1 from below the insulative housing 1 and includes a horizontal portion 61 extending along the extending direction of the rear wall 11 of the insulative housing 1 and an arm portion 63, 65 extending forward from both ends of the horizontal portion 61, wherein The arm portions 63, 65 and the horizontal portion 61 form an angle of less than 90 degrees and extend opposite to each other.

The locking components 2 are respectively received in the third receiving slots 135, 155 of the pair of side walls 13, 15 of the insulative housing 1. Each of the locking components 2 includes: a body portion extending along the side walls 13, 15 of the insulative housing 1 ( And a locking portion 21 extending from one end of the body portion into the insertion space, wherein the end of the locking portion 21 is provided with an abutting portion (not labeled) disposed in the third receiving groove 135, 155.

The cover body 7 is made of a metal material and is fastened to the upper surface of the insulative housing 1, including a top plate 71 disposed above the insulative housing 1, and from both sides of the top plate 71. A pair of side plates 73 are extended downwardly, wherein each of the side plates 73 extends horizontally from the end thereof to the opposite side plate 73 to form a flat plate portion 75. Further, the flat plate portion 75 is provided with a plurality of openings (not labeled). The opening extends from the flat plate portion 75 and the side plate 73 at the flat plate portion 75. Each of the openings is provided with a soldering piece 751 for connection with the circuit board. Further, the top plate 71, the flat plate portion 75, and the insulating body 1 are disposed. The wall 11 and the side walls 13, 15 together form an insertion space (not shown) of the electronic card 9.

The terminal module 3 is composed of a signal terminal 33 and a base 31 holding the signal terminal 33. The signal terminal 33 is integrally formed in the base 31, and the signal terminal 33 includes at least an elastic contact portion electrically contacting the electronic card 9. 331 and a solder tail 333 electrically connected to the circuit board.

The carrying mechanism 5 is generally in the shape of a basket, and includes an outer basket (not shown) and a carrying portion 51 disposed in the outer basket for receiving the electronic card 9. The two sides of the carrying mechanism 5 are respectively provided with a recess 52 and a lock. The locking portions 21 of the solid elements 2 are matched.

Finally, in order to hold the electrical connector more firmly on the circuit board, the mounting surface of the insulative housing 1 is provided with a positioning post 115 protruding toward the circuit board, and the switch terminal 4, the locking component 2, and the holding component 6 are respectively provided with a circuit. The solder joints (not shown) of the board are connected. Thus, when the electrical connector is assembled on the circuit board, not only the solder tail 333 of the terminal module 3 but also the circuit board is connected, and the insulating body 1, the switch terminal 4, and the lock are fixed. The component 2, the holding component 6, and the cover 7 are all connected to the circuit board, so that the electrical connector can be stably mounted on the circuit board.

Please refer to the third to sixth figures in particular, and in conjunction with the seventh figure, The cover body 7 is firmly assembled into the insulative housing 1 , and the cover body 7 is provided with a tearing portion 713 extending vertically downward. Correspondingly, the insulative housing 1 is provided with an end face 316 for receiving the tearing portion 713 and the side walls 13 and 15 The slats 133 and 153 are formed through the narrow and long grooves. The top plate 71 of the cover 7 is adjacent to the tearing portion 713, and the elastic piece 711 extending in the direction of the retracting direction toward the insulating body 1 is provided, and the tearing portion 713 is The elastic piece 711 is closer to the wall 11 behind the insulating body 1 , and the upper surface of the side walls 13 , 15 of the insulating body 1 is provided with recesses 131 , 151 which are recessed inwardly, and the grooves 131 , The bottom surface of the 151 is inclined, that is, the depth of the grooves 131, 151 is gradually decreased from the end adjacent to the narrow channels 133, 153 toward the other end, so that when the cover 7 is fastened to the insulative housing 1, Since the elastic piece 711 abuts against the inner wall of the deeper side in the grooves 131, 151, when the cover body 7 has a tendency to be displaced along the insertion direction, since the tearing portion 713 abuts the narrow groove 133, 153 the inner wall, therefore, it can not be further displaced, and conversely, when the cover 7 has along the insertion direction When the direction of displacement, since the shells 131, 151, 711 against the inner wall of the groove, the displacement is limited and, thus, cover 7 and the housing 1 holding stability. In addition, since the narrowed channels 133, 153 and the end faces of the respective side walls 13, 15 are penetrated to communicate with the outside, the operation of the cover body 7 in the process of assembling the insulating body 1 is simple.

The following briefly describes the assembly process of the present electrical connector: first, the terminal module 3 is mounted on the circuit board, and then the insulating body 1 carrying the switch terminal 4, the holding member 6, the locking member 2, and the cover 7 is loaded. Mounted on the circuit board, at this time, inside the insulative housing 1, the contact portions 411, 421 of the pair of switch terminals 41, 42 are in contact with each other, and at the same time, the arm of the holding member 6 The portions 63, 65 extend into the third receiving slots 135, 155 and overlap with the abutting portions of the ends of the locking member 2, and for the electrical connector as a whole, the solder tails 333 of the signal terminals 3, the insulating body 1 The positioning post 115 of the mounting surface, the locking element 2, the switch terminal 4, and the solder joint of the bottom end of the holding member 6, and the solder tab 751 on the cover 7 are connected to the circuit board. As can be seen from the above, the present electrical connector and The board is connected in two different ways: surface soldering and perforation, so it has better retention than conventional electrical connectors.

When the electronic card 9 is to be inserted into the electrical connector, first, the electronic card 9 is placed on the carrying portion 51 of the carrying mechanism 5, and then the carrying mechanism 5 carrying the electronic card 9 is guided along the guiding channel 17 of the insulative housing 1. Inserted into the insertion space, when the locking portion 21 of the locking component 2 enters into the corresponding recess 52 of the carrying mechanism 5, it means that the electronic card 9 has been completely assembled into the electrical connector and made electrical contact with the signal terminal 33. At this time, the end of the carrying mechanism 5 is placed on the receiving portion 111, and the pair of switch terminals 41, 42 are also separated from each other by the action of the carrying mechanism 5, and one end of the carrying mechanism 5 is composed of the signal terminal 33. The elastic support is supported by the supporting force of the receiving portion 111, and the upper portion has the downward force of the cover body 7. Thus, the bearing mechanism 5 is evenly stressed in the electrical connector, and is less likely to sway, thereby making the signal terminal 33 The contact with the electronic card 9 is also more stable.

In order to firmly connect the cover body 7 and the insulative housing 1 , the side walls 13 and 15 of the insulative housing 1 are provided with elongated channels 133, 153 recessed from the top surface, and The grooves 131, 151 adjacent to the channels 133, 153 are provided with tearing portions 713 matching the channels 133, 153 and the elastic pieces matching the grooves 131, 151 at corresponding positions of the cover 7. 711, and the elastic piece 711 extends in a direction opposite to the insertion direction of the electronic card, and the tearing portion 713 extends in a direction perpendicular to the insertion direction of the electronic card. Therefore, when the cover body 7 is assembled on the insulating body 1, the The insertion direction of the electronic card and the direction opposite to the insertion direction of the electronic card are both maintained, so that the cover body 7 and the insulating body 1 are stably held and are not easily displaced, and thus the cover body 7 and the insulating body 1 are determined to be stable. The insertion space can be stably brought into contact with the signal terminal 33 when the electronic card is inserted.

Finally, it should be noted that although in the present embodiment, the carrier mechanism 5 carries the electronic card, however, in actual use, any electronic component can be carried according to different needs.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above-mentioned embodiments are merely preferred embodiments of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make equivalent modifications or variations in accordance with the spirit of the present invention. It should be covered by the following patent application.

1‧‧‧Insulating body

11‧‧‧Back wall

111‧‧‧Receiving Department

113‧‧‧First storage trough

115‧‧‧Positioning column

117‧‧‧Second holding trough

13, 15‧‧‧ side wall

131, 151‧‧‧ grooves

133, 153‧‧‧ channels

135, 155‧‧‧ third storage trough

137‧‧‧檐

17‧‧‧ Guide channel

2‧‧‧Locking components

21‧‧‧Locking

3‧‧‧Terminal module

31‧‧‧ Pedestal

33‧‧‧Signal terminals

331‧‧‧Flexible contact

333‧‧‧welding tail

4‧‧‧Switch terminals

41‧‧‧First switch terminal

411, 421‧‧ ‧Contacts

415, 425‧‧‧ Holding Department

42‧‧‧Second switch terminal

5‧‧‧Loading mechanism

51‧‧‧Loading Department

52‧‧‧ recess

6‧‧‧Retaining components

61‧‧‧ horizontal department

63, 65‧‧‧ Arms

7‧‧‧ Cover

71‧‧‧ top board

711‧‧‧Shrap

713‧‧‧Tear

73‧‧‧ side panels

75‧‧‧ Flat section

751‧‧‧welding piece

9‧‧‧Electronic card

The first figure is a perspective assembled view of the electrical connector of the present invention.

The second figure is an exploded perspective view of the electrical connector of the present invention.

The third figure is a perspective view of the insulative housing of the electrical connector of the present invention.

The fourth figure is a perspective view of another angle of the insulating body of the electrical connector of the present invention.

Figure 5 is a perspective view of the electrical connector cover of the present invention.

Figure 6 is a perspective view of another angle of the electrical connector cover of the present invention.

Figure 7 is a cross-sectional view of the electrical connector of the present invention.

1‧‧‧Insulating body

153‧‧‧ channel

2‧‧‧Locking components

711‧‧‧Shrap

713‧‧‧Tear

Claims (10)

An electrical connector for inserting an electronic component, comprising at least: an insulative housing comprising a rear wall and a side wall extending forwardly from opposite ends of the rear wall, wherein the rear wall and the side wall form an electronic component insertion space The terminal module is disposed in the insertion space; and the cover body covers the upper part of the insulating body, and includes a top plate overlying the insulating body and a side plate extending vertically downward from both sides of the top plate and covering the outer surface of the side wall of the insulating body The cover body of the cover body is provided with a tearing portion in the same direction as the extending direction of the side plate and a spring piece having an angle of less than 90 degrees with the top plate; wherein the insulating body is provided with the tearing portion and prevents the cover body from moving further toward the card insertion direction. The groove and the groove which cooperate with the elastic piece and prevent the cover from moving toward the retracting direction, the bottom surface of the groove is inclined, and the elastic piece abuts against the inner wall of the deep side of the groove. The electrical connector of claim 1, wherein the groove depth gradually increases from a side closer to the rear wall toward the other end. The electrical connector of claim 2, wherein the channel passes through the end face of the side wall. An electrical connector for inserting an electronic component, comprising at least: an insulative housing having an abutting surface and a mounting surface opposite to the mating surface; a terminal module being received in the interposing space; and a cover body and the insulative body Forming an insertion space; and a supporting mechanism for carrying the electronic component; wherein the cover body is provided with a spring piece, and the extending direction of the elastic piece is opposite to the insertion direction of the electronic component, and correspondingly, the abutting surface of the insulating body is provided with the elastic piece And preventing the cover from moving toward the retracting direction, the bottom surface of the groove is inclined, The elastic piece abuts against the inner wall of the deeper side of the groove. The electrical connector of claim 4, wherein the groove is gradually increased in depth along the retracting direction. The electrical connector of claim 5, wherein the cover body is further provided with a tearing portion, the insulating body is provided with a channel for accommodating the tearing portion, and the channel passes through the end surface of the insulating body to communicate with the outside . The electrical connector of claim 4, wherein the insulative housing is further provided with a support portion supporting the carrying mechanism. The electrical connector of claim 4, wherein the insulative housing is further provided with a switch terminal, and the switch terminal is contacted or disconnected under the action of the supporting mechanism. The electrical connector of claim 4, wherein the cover body comprises a top plate, a side plate extending downward from both ends of the top plate and covering the insulating body, and a flat plate portion opposite to the top plate and connected to the side plate, the flat plate portion The insulating body and the top plate of the cover together form a guiding channel of the supporting mechanism. The electrical connector of claim 9, wherein the electrical connector is further provided with a pair of locking components and a holding component, the locking component is provided with a locking portion of the locking bearing mechanism, and the locking component and the locking component are Solid component contact.