CN201340925Y - Electronic device and connector assembly thereof - Google Patents

Abstract

The utility model discloses an electronic device and connector assembly thereof. The connector assembly comprises a circuit board, a shell, a plurality of terminals, a flexible circuit board and a reinforcing plate. The shell is arranged on the circuit board and is provided with a concave accommodating part, and the accommodating part is provided with a first opening and a second opening which are adjacent to the first opening. The terminal is arranged in the accommodating part and is electrically connected with the circuit board. The flexible circuit board is provided with a plurality of connecting points, a first surface and a second surface, and the connecting points are arranged on the first surface. The reinforcing plate is combined with the second surface of the flexible circuit board and is positioned at one end of the flexible circuit board, the first opening is opened in the direction vertical to the extending direction of the flexible circuit board, when the flexible circuit board is combined with the shell, the contact point is contacted with the terminal, so that the flexible circuit board is electrically connected with the circuit board, and the flexible circuit board extends out of the shell through the second opening.

Description

Electronic device and its connector assembly

technical field

The utility model relates to a connector assembly, in particular to a connector assembly including a circuit board and a flexible circuit board.

Background technique

The existing flexible circuit board and the circuit board are connected by using a ZIF connector (ZIFconnector), as shown in Figure 1 and Figure 2, the ZIF connector 10 is installed on the circuit board (not shown), and the ZIF connector 10 A channel 12 is formed in the middle, and a plurality of terminals 14 are arranged at the bottom of the channel 12. The end of the flexible circuit board 20 is connected to a reinforcement board 22, and the reinforcement board 22 is inserted into the channel of the ZIF connector 10 together with the flexible circuit board 20 12, the flexible circuit board 20 is positioned in the ZIF connector 10, at this time the contact 24 of the flexible circuit board 20 is in contact with the terminal 14 of the ZIF connector 10, and the electrical connection between the flexible circuit board 20 and the circuit board is achieved . The disadvantage of this structure is that after assembly, the flexible circuit board 20 is easy to fall off from the ZIF connector 10 due to the pulling during the assembly of the whole system.

Fig. 3 shows another kind of existing connector assembly, comprises a connector (Board to Board connector) 10 ', is arranged on the circuit board (not shown), forms a recessed part 12 ' on the connector 10 ', In addition, a reinforcement board 22' is provided on the side near the end of the flexible circuit board 20', and a connecting piece 24' is provided on the side of the flexible circuit board 20' opposite to the reinforcement board 22', and the connecting piece 24' The shape fits the concave part 12', when the flexible circuit board 20' is to be connected with the circuit board, the connecting piece 24' is embedded in the concave part 12', and the connecting piece 24' and the concave part 12' are respectively provided with The contacts and terminals are electrically connected between the flexible circuit board 20 ′ and the circuit board by contacting the connectors 24 ′ with the contacts and terminals in the recessed portion 12 ′. The advantage of this structure is that it is highly reliable, and the reinforcing plate can be strengthened with metal materials to prevent breakage during plugging and unplugging. However, the disadvantage is that connectors must be installed on both the circuit board and the flexible circuit board, so the manufacturing cost is high. Its connectors are also thicker.

Utility model content

In view of this, the purpose of the present invention is to provide a highly reliable and thin connector assembly.

The connector assembly of the utility model includes a circuit board, a housing, a plurality of terminals, a flexible circuit board and a reinforcement board. The casing is arranged on the circuit board and has a recessed receiving portion, and the receiving portion has a first opening and a second opening adjacent to the first opening. The terminals are arranged in the accommodating portion and electrically connected with the circuit board. The flexible circuit board has a plurality of contacts, a first surface and a second surface, wherein the contacts are arranged on the first surface. The reinforcing plate is combined with the second surface of the flexible circuit board and is located at one end of the flexible circuit board, wherein the first opening is opened in a direction perpendicular to the extending direction of the flexible circuit board, when the flexible circuit board When the flexible circuit board is combined with the housing, the contacts are in contact with the terminals, so that the flexible circuit board is electrically connected to the circuit board, and the flexible circuit board extends from the housing through the second opening. out.

The electronic device of the present invention includes the above-mentioned connector assembly.

In the above embodiments, the reinforcing plate is made of metal.

In the above-mentioned embodiment, the housing further has at least one stopper portion disposed at the second opening, and the reinforcing plate has at least one shoulder, when the reinforcing plate is combined with the receiving portion, the The shoulder abuts against the stopper so that the reinforcing plate will not fall off from the second opening.

In the above-mentioned embodiment, the housing has an engaging part, which is arranged in the receiving part. When the reinforcing plate is combined with the receiving part, the engaging part is engaged with the reinforcing plate, so that the reinforcing plate The strong plate is fixed in the accommodating part.

The utility model has the advantage that since the terminals are arranged on the opposite side of the flexible circuit board and the reinforcement board, the reinforcement board can be made of metal, which can increase the strength and avoid cracking, and can also improve ESD and EMI. conduction.

In order to make the above and other purposes, features, and advantages of the present utility model more obvious and understandable, a preferred embodiment is specifically cited below, together with the accompanying drawings, and is described in detail as follows:

Description of drawings

Figure 1 is a schematic diagram of an existing ZIF connector connecting a flexible circuit board and a circuit board;

Figure 2 is a schematic diagram of the combination of the ZIF connector and the flexible circuit board in Figure 1;

FIG. 3 is a schematic diagram of another existing connector connecting a flexible circuit board and a circuit board;

Fig. 4 is an exploded schematic view of the connector assembly of the present invention;

FIG. 5 is a combined schematic view of the connector assembly in FIG. 4 .

Description of main component symbols

10～ZIF connector

10'～connector

12～Channel

12'～depressed part

14～terminal

20～flexible circuit board

20'～flexible circuit board

22～reinforcing board

22'～reinforcing board

24'～connector

50～shell

52～Accommodating Department

54～first opening

55～Catching part

56～Second opening

58～stop part

59～terminal

60～reinforcing plate

62～shoulder

70～flexible circuit board

72～first surface

74 ~ second surface

76～contact

100～connector assembly

Detailed ways

FIG. 4 is an exploded schematic diagram of an embodiment of the connector assembly of the present invention. The connector assembly 100 of the present invention includes a circuit board 40 , a housing 50 , a reinforcement board 60 and a flexible circuit board 70 . The casing 50 , as shown in FIG. 4 , is a rectangular cube and is mounted on the circuit board 40 . In addition, the casing 50 is made of insulating material. A substantially rectangular recessed receiving portion 52 is formed on the housing 50 . The receiving portion 52 has a first opening 54 and a second opening 56, wherein the first opening 54 faces directly above the casing 50, and the second opening 56 is adjacent to the first opening 54 and faces toward the side of the casing 50. side. Two stoppers 58 are disposed at the second opening 56 in the receiving portion 52 , and the stoppers 58 are disposed close to the sidewall of the receiving portion 52 . A plurality of terminals 59 are disposed at the bottom of the receiving portion 52 and are electrically connected to the circuit board 40 .

The flexible circuit board 70 has a first surface 72 and a second surface 74 , and the reinforcement board 60 is combined with the second surface 74 of the flexible circuit board 70 and located at the end of the flexible circuit board 70 . A plurality of contact points 76 are disposed at the end of the first surface 72 , and a plurality of terminals 59 are disposed corresponding to the bottom of the receiving portion 52 . The terminal 59 can have various types, and it is mainly capable of maintaining a stable contact with the planar contact 76 . For example, the terminal in the subscriber identification card connector (SIM Card connector) can also be applied in this terminal 59. In addition, the reinforcing plate 60 has two shoulders 62, so that the reinforcing plate 60 forms a T-shape.

When the flexible circuit board 70 is combined with the housing 50, the reinforcing plate 60 enters the receiving portion 52 from the first opening 54, pushes the engaging portion 55 provided on the side of the receiving portion 52 and the side of the stopper 58, and then The engaging portion 55 is fixed in the accommodating portion 52, so that the terminal 59 is in contact with the contact point 76 to achieve an electrical connection. At this time, the flexible circuit board 70 extends out of the housing 50 through the second opening 56, and the shoulder portion 62 abuts on the The stop portion 58 prevents the reinforcing plate 60 from falling off from the receiving portion 52 through the second opening 56 . In addition, due to the engagement of the engaging portion 55 , the reinforcing plate 60 does not fall off from the accommodating portion 52 through the first opening 54 .

Through the above structure, in the direction where the flexible circuit board 70 is easy to be dragged, that is, the direction in which the flexible circuit board 70 extends, the flexible circuit board 70 can be prevented from falling off from the housing 50, as shown in FIG. The prior art ZIF connector of Fig. 1 is larger, and thickness is smaller than the connector of Fig. 3.

In the structure of this embodiment, since the terminals are located on the opposite side of the flexible circuit board and the reinforcing plate, the reinforcing plate can be made of metal, which can increase the strength, avoid cracking, and improve ESD and EMI at the same time conduction. The above-mentioned connector assembly 100 can be applied in various electronic devices. For example, the above-mentioned connector assembly 100 can be applied to portable electronic devices such as mobile phones, personal digital assistants (PDAs), ultra mobile computers (UMPCs), and notebook computers. However, the connector assembly 100 can also be applied to desktop computers or other fixed electronic devices. Therefore, the above-mentioned connector assembly 100 can be applied in various electronic devices.

Claims (6)

1. A connector assembly, characterized in that it comprises: a circuit board; a housing disposed on the circuit board, the housing has a recessed accommodation portion, and the accommodation portion has a first opening and a second The opening is adjacent to the first opening; a plurality of terminals are arranged in the accommodating portion and are electrically connected with the circuit board; a flexible circuit board has a plurality of contacts, a first surface and a second surface, wherein the contacts are arranged on the the first surface; and a reinforcing plate, combined with the second surface of the flexible circuit board, and located at one end of the flexible circuit board, wherein the first opening is opened in the extending direction of the flexible circuit board In the vertical direction, when the flexible circuit board is combined with the housing, the contacts are in contact with the terminals, so that the flexible circuit board is electrically connected to the circuit board, and the flexible circuit board passes through the second opening from The housing extends out. 2. The connector assembly as claimed in claim 1, wherein the reinforcing plate is made of metal. 3. The connector assembly as claimed in claim 1, wherein the housing further has at least one stopper disposed at the second opening, and the reinforcing plate has at least one shoulder, when the reinforcing plate When the reinforcing plate is combined with the accommodating portion, the shoulder portion abuts against the stop portion, so that the reinforcing plate will not fall off from the second opening. 4. The connector assembly according to claim 1, wherein the housing has an engaging portion disposed in the receiving portion, when the reinforcing plate is combined with the receiving portion, the engaging portion The reinforcing plate is engaged with the reinforcing plate so that the reinforcing plate is fixed in the accommodating portion. 5. The connector assembly as claimed in claim 4, wherein the housing further has a stopper disposed in the receiving portion, the reinforcing plate has a shoulder, and when the reinforcing plate is clamped When the accommodating portion is engaged, the reinforcing plate will not fall off from the accommodating portion through the abutment of the shoulder against the stopper portion. 6. An electronic device comprising the connector assembly according to claim 1.

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