Electrical connector

Abstract

The present invention is an electrical connector, comprising an insulating body, a plurality of terminals, a first shell and a second shell. The terminals are arranged on the insulating body. The first shell is sleeved on the insulating body to form an interface suitable for docking with another electrical connector, and the first shell has at least one first pin adjacent to the interface. The second shell is stacked on the first shell. The second shell has at least one second pin away from the interface.

Description

Technical Field

[0001] The invention relates to an electric connector. Background Art

[0002] As the amount of data transmitted between most electronic devices continues to increase, in order to provide users with a more user-friendly experience, the speed of signal transmission between most electronic devices has increased accordingly. Electrical connectors are a bridge for electronic signal communication between different electronic devices, and therefore are frequently used in various electronic devices in response to the above situation.

[0003] However, with the trend of miniaturization of electronic devices, the overall size of the electrical connector is also required to be reduced. As a result, the structural stability of the electrical connector package on the circuit board is affected, which is prone to gradually decrease as the number of times the electrical connector is used (mating and plugging) increases.

[0004] Therefore, how to effectively improve the structural strength of the electrical connector configured on the circuit board under the above trend is a problem that relevant technicians need to consider and solve. Summary of the invention

[0005] The invention provides an electric connector, which improves the structural strength of the electric connector by means of a double-layer shell structure and staggered pins.

[0006] The electrical connector of the present invention comprises an insulating body, a plurality of terminals, a first shell and a second shell. The terminals are arranged on the insulating body. The first shell is sleeved on the insulating body to form an interface suitable for docking with another electrical connector, and the first shell has at least one first pin adjacent to the interface. The second shell is stacked on the first shell. The second shell has at least one second pin away from the interface.

[0007] Preferably, the second shell has at least one recess, and the first pin extends and passes through the recess to be exposed outside the second shell.

[0008] Preferably, the insulating body has a front side and a rear side opposite to each other, and two side sides opposite to each other, the interface is located on the front side, and the recess, the first pin and the second pin are located on at least one of the two side sides.

[0009] Preferably, the electrical connector is suitable for being fixed on a circuit board by means of the first pin and the second pin.

[0010] Preferably, the electrical connector has a plugging and unplugging axial direction, the dimension of the second housing along the plugging and unplugging axial direction is smaller than the dimension of the first housing along the plugging and unplugging axial direction, and the front side and the rear side are located on the plugging and unplugging axial direction.

[0011] Preferably, a portion of the first shell having the first pin is not covered by the second shell.

[0012] Preferably, the first shell and the second shell are metal shells.

[0013] Preferably, the above-mentioned electrical connector is a socket electrical connector.

[0014] Preferably, the first shell has an annular body and a first pin extending from the annular body, the second shell has a U-shaped body and a second pin extending from the U-shaped body, the annular body is sleeved on the insulating body, and the U-shaped body is overlapped and buckled on the annular body.

[0015] Preferably, there is a punched hollow portion between the first pin and the annular body, and the hollow portion faces away from the U-shaped body.

[0016] Preferably, the first shell is buckled on two opposite side wings of the U-shaped body.

[0017] Preferably, the first shell and the first pin as well as the second shell and the second pin constitute a double-layer shell outside the insulating body and an inside-outside staggered pin configuration structure.

[0018] Based on the above, the electrical connector is composed of a first shell and a second shell arranged at different levels outside the insulating body, in order to form an interface for the electrical connector to connect with another electrical connector, and also to arrange the first pin of the first shell near the interface, and the second pin of the second shell away from the interface. In this way, the first shell and the second shell are in a structural relationship of overlapping each other, and the structural strength of the electrical connector can be improved due to the difference in the positions of the pins.

[0019] When the electrical connector is plugged in and out of another electrical connector, the plugging and unplugging force applied by the user will affect the insulating body, the first shell and the second shell at the same time. When the first pin of the first shell in the inner layer is close to the interface and the second pin of the second shell in the outer layer is far away from the interface, a staggered structure is formed, thereby effectively dispersing the aforementioned plugging and unplugging force, thereby improving the durability of the electrical connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic diagram of an electrical connector according to an embodiment of the present invention.

[0021] Figure 2 Drawing from another perspective Figure 1 Electrical connector.

[0022] Figure 3 Draw Figure 2 An exploded view of a portion of the structure of an electrical connector.

[0023] Figure 4 A side view of an electrical connector according to another embodiment of the present invention is shown.

[0024] Explanation of symbols

[0025] 100, 300: Electrical connector

[0026] 110: Insulation body

[0027] 120:Terminal

[0028] 130: First shell

[0029] 131: Ring body

[0030] 132: First pin

[0031] 133: Hollow part

[0032] 134, 145, 345: buckle structure

[0033] 140, 340: second shell

[0034] 141: Depression

[0035] 142, 342: Second pin

[0036] 143: U-shaped body

[0037] 144: Back cover

[0038] 200: Circuit board

[0039] A1, A2: Interface

[0040] S1:Front

[0041] S2: rear side

[0042] S3, S4: Side

[0043] W1, W2: flank

[0044] XYZ: Cartesian coordinates. DETAILED DESCRIPTION

[0045] Figure 1 is a schematic diagram of an electrical connector according to an embodiment of the present invention. Figure 2 Drawing from another perspective Figure 1 The electrical connector of the present invention. The rectangular coordinates XYZ are also provided to facilitate the description of the components. Please also refer to Figure 1 and Figure 2In this embodiment, the electrical connector 100 is, for example, a USB Type-C electrical connector, in particular, a socket electrical connector for being configured on a circuit board 200, and includes an insulating body 110, a plurality of terminals 120, a first shell 130, and a second shell 140. The terminals 120 are configured on the insulating body 110. The first shell 130 is sleeved on the insulating body 110, and the first shell 130 has at least one first pin 132. The second shell 140 is stacked on the first shell 130. The insulating body 110 and the first shell 130 form an interface A1, and the interface A1 is suitable for docking with another electrical connector (not shown). The second shell 140 has at least one second pin 142, wherein the first pin 132 is adjacent to the interface A1, and the second pin 142 is away from the interface A1, that is, along the X-axis, the distance between the first pin 132 and the interface A1 is smaller than the distance between the second pin 142 and the interface A1.

[0046] In this embodiment, the insulating body 110 has a front side S1 and a rear side S2 opposite to each other, and two side sides S3 and S4 opposite to each other, wherein the interface A1 is located on the front side S1, and the first pin 132 and the second pin 142 are located on at least one of the side sides S3 and S4. Here, the first pin 132 and the second pin 142 are both disposed on the side sides S3 and S4 as an example. Figure 1 , Figure 2 As shown, the first housing 130 has a plurality of first pins 132 located at opposite sides of the interface A1 along the Y axis. Similarly, the second housing 140 has a plurality of second pins 142 located at opposite sides of the interface A1 along the Y axis. Figure 1 As shown, the electrical connector 100 is suitable for being fixed on the circuit board 200 by the first pin 132 and the second pin 142. Furthermore, the first shell 130 and the second shell 140 are metal shells, which can not only maintain the structural strength required by the electrical connector 100, but also be electrically connected to the grounding circuit of the circuit board 200 (not shown), so as to provide the required grounding effect when docking with another electrical connector. Furthermore, during the process of plugging and unplugging the electrical connector 100 with another electrical connector, the front side S1 and the rear side S2 are substantially located on the plug-in axis (i.e., the X axis), and the side sides S3 and S4 are located on opposite sides of the plug-in axis.

[0047] Figure 3 Draw Figure 2 Partial structural exploded diagram of an electrical connector, wherein Figure 1 and Figure 2 All structures not marked are Figure 3 Please refer to Figure 3The first housing 130 has an annular body 131 and a first pin 132 extending from the annular body 131, and the second housing 140 has a U-shaped body 143 and a second pin 142 extending from the U-shaped body 143. The annular body 131 is sleeved on the insulating body 110, and the U-shaped body 143 is overlapped and buckled on the annular body 131. The second housing 140 has a recess 141, which is used to allow the first pin 132 of the first housing 130 to extend and pass through the recess 141 to be exposed outside the second housing 140.

[0048] Here, the first shell 130 has a plurality of buckle structures 134, and the second shell 140 also has a plurality of buckle structures 145 corresponding to the aforementioned buckle structures 134, and the buckle structures 145 and the aforementioned recesses 141 and second pins 142 are respectively located on the two opposite wings W1 and W2 of the U-shaped body 143. When the second shell 140 is stacked and covers the first shell 130, the buckle structures 134 and 145 are adapted to be coupled, so that the first shell 130 is buckled on the two opposite wings W1 and W2 of the U-shaped body 143, so as to achieve the effect of fixing the first shell 130 and the second shell 140 together. At the same time, because the first pin 132 and the second pin 142 are respectively fixed to the circuit board 200 (such as Figure 1 As shown in FIG. 1 ), the bonding strength between the first housing 130, the second housing 140 and the circuit board 200 can be better ensured. In addition, the second housing 140 further includes a rear cover 144 extending from the U-shaped body 143 toward the negative X-axis direction and bending to abut against the opposite side of the insulating body 110 away from the interface A1.

[0049] In addition, for the first shell 130, its first pin 132 is formed by stamping and bending the annular body 131 before it is formed (it is in a plate shape before it is formed), and thus a stamped hollow portion 133 is formed between the formed annular body 131 and the first pin 132, wherein the hollow portion 133 faces away from the U-shaped body 143 of the second shell 140.

[0050] Based on the above, the first shell 130 and the second shell 140 form a double-layer shell structure outside the insulating body 110 to provide the required structural appearance and structural strength of the electrical connector 100. Furthermore, the first pin 132 and the second pin 142 further form a staggered pin structure of the electrical connector 100, which is conducive to allowing the first shell 130 and the second shell 140 to be fixed to the circuit board 200, thereby making the first shell 130, the second shell 140 and the circuit board 200 mutually combined, which is conducive to further improving the structural strength of the electrical connector 100.

[0051] Figure 4 A side view of an electrical connector according to another embodiment of the present invention is shown. Figure 4In the electrical connector 300 of the present embodiment, the first shell 130 is the same as the previous embodiment, so it will not be described in detail. The difference is that the size of the second shell 340 along the plug-in axis (i.e., X-axis) of the electrical connector 300 is smaller than the size of the first shell 130 along the plug-in axis, and similarly, the front side S1 and the rear side S2 are located in the plug-in axis. In other words, the first shell 130 has a portion of the first pin 132 that is not shielded by the second shell 340 and is directly exposed to the outside, the insulating body 110 and the first shell 130 form an interface A2 located on the front side S1, and the first shell 130 and the second shell 340 are only buckled together by the buckle structures 134 and 345. However, what remains unchanged is that the second pin 342 of the second shell 340 still maintains its distance from the interface A2, and the first pin 132 of the first shell 130 still maintains its state close to the interface A2, which can also achieve the effect of the strengthening structure mentioned in the previous embodiment.

[0052] In summary, in the above embodiment of the present invention, the electrical connector is composed of a first shell and a second shell that are successively arranged at different levels outside the insulating body. In addition to forming an interface for the electrical connector to be connected to another electrical connector, the first pin of the first shell is arranged near the interface, and the second pin of the second shell is arranged away from the interface. In this way, the first shell and the second shell are in a structural relationship of overlapping each other, and the structural strength of the electrical connector can be improved due to the difference in the positions of the pins.

[0053] Accordingly, the first shell and the second shell form a double-layer shell structure outside the insulating body, and the first pin and the second pin further form a staggered pin structure of the electrical connector. This will facilitate the first shell and the second shell to be fixed to the circuit board, and further enable the first shell, the second shell and the circuit board to have a mutual combination structure, which is conducive to further improving the structural strength of the electrical connector.

[0054] When the electrical connector is plugged in and out of another electrical connector, the plugging and unplugging force applied by the user will affect the insulating body, the first shell and the second shell at the same time. The configuration of the shells and the pins can effectively disperse the plugging and unplugging force, thereby improving the durability of the electrical connector.

Claims

1. An electrical connector, characterized in that: An insulating body, the insulating body having a front side and a rear side opposite to each other, and two side sides opposite to each other; A plurality of terminals are disposed on the insulating body; a first shell, sleeved on the insulating body to form an interface, the interface is located on the front side, the interface is suitable for docking with another electrical connector, the first shell has at least one first pin, the first pin is adjacent to the interface, the first shell has an annular body and the first pin extending from the annular body, the annular body is sleeved on the insulating body; and A second shell is stacked on the first shell, the second shell has at least one second pin, the second pin is far away from the interface, the second shell has a U-shaped body and the second pin extending from the U-shaped body, the U-shaped body is stacked and buckled on the annular body, the second shell has at least one recess, the first pin extends and passes through the recess to be exposed outside the second shell, the recess, the first pin and the second pin are located on the two sides, the first shell and the first pin and the second shell and the second pin constitute a double-layer shell outside the insulating body and an inside-outside staggered pin configuration structure.

2. The electrical connector according to claim 1, characterized in that: The electrical connector has an axial direction for plugging and unplugging. The dimension of the second shell along the axial direction for plugging and unplugging is smaller than the dimension of the first shell along the axial direction for plugging and unplugging. The front side and the rear side are located on the axial direction for plugging and unplugging.

3. The electrical connector according to claim 2, wherein: The portion of the first shell having the first pin is not covered by the second shell.

4. The electrical connector according to claim 1, wherein: The first shell and the second shell are metal shells.

5. The electrical connector according to claim 1, wherein: The electrical connector is a socket electrical connector.

6. The electrical connector according to claim 1, wherein: There is a punched hollow portion between the first pin and the annular body, and the hollow portion faces away from the U-shaped body.

7. The electrical connector according to claim 1, wherein: The first shell is buckled on two opposite side wings of the U-shaped body.

8. The electrical connector according to claim 1, wherein: The electrical connector is suitable for being fixed on a circuit board by the first pin and the second pin.

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