TWI748639B - Electrical connector set, and socket and plug thereof - Google Patents

Abstract

An electrical connector set includes a socket and two plugs. The socket includes a connector casing forming two adjacent insertion slots. The two insertion slots are arranged in an arrangement direction and extend parallel to an insertion direction. The connector casing includes a dividing wall, separating the two insertion slots. The dividing wall has an indentation at the insertion openings of the two insertion slots. The two plugs can be inserted into the two insertion slots in the insertion direction respectively. Each plug has two protrusions at two opposite sides thereof in the arrangement direction. The two protrusions are staggered in a vertical direction perpendicular to the arrangement direction and the insertion direction. When the two plugs are inserted into the two insertion slots, the two protrusions between the two plugs are located in the indentation and staggered in the vertical direction.

Description

Electric connector group and its socket and plug

The present invention relates to an electrical connector, in particular to an electrical connector assembly with an anti-misplugging mechanism.

Electrical connectors have been widely used in environmental requirements for power or signal connections. In principle, electrical connectors of different specifications cannot be connected or replaced with each other. However, when the size specifications of the electrical connectors are similar, misplugging may occur. In the lighter case, it is only an invalid connection; in the worst case, it causes structural damage to the electrical connector. In addition, some electrical connectors that are customized using existing specifications may also conflict with existing electrical connectors that meet the specifications. In order to prevent misplugging, the general design is to provide corresponding structures on the plug and the socket, so that the plug can only be inserted into the corresponding socket in a predetermined direction. This anti-misplugging design is usually implemented only for a single plug and a single socket, and its application range is limited. In addition, the mis-insertion prevention structure on the socket is usually located on the outer shell wall, and there is a risk of structural interference with the structure located outside the socket; for example, the outer side wall of the mis-insertion prevention structure on the socket protrudes outward to form an inward concave Groove to achieve.

An object of the present invention is to provide an electrical connector set, which is provided with an anti-misplugging structure on the socket and the plug, so that the plug can be correctly inserted into the socket.

The electrical connector set according to the present invention includes a socket, a first plug and a second plug. The socket includes a connector housing, forming a first slot and a second slot adjacent to each other. The first slot and the second slot are arranged in an arrangement direction and extend parallel to an insertion direction. The connector housing includes a partition wall separating the first slot and the second slot in the arrangement direction. The first slot has a first insertion port, the second slot has a second insertion port, and the partition wall has a notch located in the first slot. The insertion port and the second insertion port. The first plug includes a first shell. The first housing has a first protrusion and a first opposite side protrusion in the arrangement direction, the first protrusion and the first opposite side protrusion are staggered in a vertical direction, and the vertical direction is perpendicular to the The arrangement direction and the insertion direction. The second plug includes a second shell. The second shell has a second protrusion and a second opposite side protrusion in the arrangement direction, and the second protrusion and the second opposite side protrusion are staggered in the vertical direction. Wherein, after the first plug is inserted into the first socket with the first housing in the insertion direction and the second plug is inserted into the second socket with the second housing in the insertion direction, the first protrusion The block and the second opposite side protruding block are located in the recess and staggered in the vertical direction.

Another object of the present invention is to provide a socket with an anti-misplugging structure, so that the corresponding plug can be correctly inserted into the socket.

The socket according to the present invention includes a connector housing, forming a first slot and a second slot adjacent to each other. The first slot and the second slot are arranged in an arrangement direction and extend parallel to an insertion direction. The connector housing includes a partition wall separating the first slot and the second slot in the arrangement direction. The first slot has a first insertion opening, the second slot has a second insertion opening, and the partition wall has a notch located at the first insertion opening and the second insertion opening.

Another object of the present invention is to provide a plug with an anti-misplugging structure so that the plug can be correctly inserted into the corresponding socket.

The plug according to the present invention includes a housing. The shell has a longitudinal direction and a protrusion and an opposite side protrusion in a transverse direction, and the longitudinal direction is perpendicular to the transverse direction. The protruding block and the opposite side protruding block are staggered in a vertical direction, and the vertical direction is perpendicular to the lateral direction and the longitudinal direction.

Compared with the prior art, in the electrical connector set according to the present invention, the notch on the socket and the protrusion on the plug form an anti-misplug structure, and the plug must be inserted into the socket in a correct manner. In addition, the notch is located inside the connector housing of the socket, which can restrain the plug inserted into the adjacent socket at the same time, and can avoid structural interference with the structure located outside the socket.

The advantages and spirit of the present invention can be further understood from the following detailed description of the invention and the accompanying drawings.

1: Electrical connector group

12: Socket

122: circuit board

1222: light source

124: The first electrical connection body

126: The second electrical connection body

128: connector housing

128a: first slot

128b: second slot

128c: first insertion port

128d: second insertion port

128e: bottom surface

128f: top surface

128g, 128h: pitch

1282a: top wall

1282b: first side wall

1282c: bottom wall

1282d: second side wall

1282e: second notch

1282f: third notch

1282g, 1282h: length

1284: Partition Wall

1284a: first notch

1284b: thickness

1284c: length

130: heat dissipation structure

132: Light guide structure

14: The first plug

142: The first shell

142a: The first bump

142b: first opposite side protrusion

142d,142d',142e,142e': length

142f: upper surface

142g: bottom surface

142h, 142i, 142j, 142k: pitch

144: The first pair of electrical connection to the body

16: second plug

162: second shell

162a: second bump

162b: second opposite side protrusion

162d, 162e: length

164: The second pairing is electrically connected to the main body

D1: Arrangement direction

D2: Insertion direction

D3: vertical direction

Fig. 1 is a schematic diagram of an electrical connector assembly according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of both the first plug and the second plug in Fig. 1 being inserted into the socket.

Figure 3 is an exploded view of the socket in Figure 1.

Fig. 4 is a schematic diagram of Fig. 1 with only the first plug inserted into the socket from another perspective.

Fig. 5 is a cross-sectional view of the electrical connector set in Fig. 2 along the line X-X.

FIG. 6 is a schematic diagram of the first plug in FIG. 5. FIG.

FIG. 7 is a schematic diagram of the connector housing of the first slot portion in FIG. 5.

Fig. 8 is a cross-sectional view of a first plug inserted into a socket according to a modification.

Please refer to Figure 1 to Figure 3. According to an embodiment of the present invention, an electrical connector set 1 includes a socket 12, a first plug 14 and a second plug 16. The socket 12 includes a circuit board 122, a first electrical connection body 124, a second electrical connection body 126, a connector housing 128, a heat dissipation structure 130 and two light guide structures 132. The connector housing 128 is fixed on the circuit board 122. The first electrical connection body 124 and the second electrical connection body 126 are electrically connected to the circuit board 122 and located in the connector housing 128. For simplicity of illustration, they are represented by solid squares in the figure. In practice, the first electrical connection body 124 and the second electrical connection body 126 can be structurally integrated into a single component to facilitate assembly. The first plug 14 and the second plug 16 can be inserted into the connector housing 128 to be respectively connected with the first electrical connection body 124 and the second electrical connection body 126 to realize electrical connection. The heat dissipation structure 130 is detachably fixed to the connector housing 128 to dissipate the heat generated during the operation of the electrical connector assembly 1. The light guide structure 132 is detachably fixed to the connector housing 128 to guide the light emitted by the light source 1222 (such as but not limited to a light-emitting diode) on the circuit board 122 to the front side of the socket 12 to provide an optical indication effect fruit.

In this embodiment, the connector housing 128 includes a top wall 1282a, a first side wall 1282b, a bottom wall 1282c (opposite to the top wall 1282a), and a second side wall 1282d (which is connected to the first side wall 1282b) in sequence. (Opposite), the connector housing 128 further includes a partition wall 1284 connected between the top wall 1282a and the bottom wall 1282c and located between the first side wall 1282b and the second side wall 1282d. The connector housing 128 forms an adjacent first slot 128a and a second slot 128b through the aforementioned side walls 1282a~d and the partition wall 1284. The first slot 128a and the second slot 128b are in an arrangement direction D1 ( The double arrows are shown in the figure) and are arranged parallel to an insertion direction D2 (indicated by an arrow in the figure). The partition wall 1284 separates the first slot 128a and the second slot 128b in the arrangement direction D1. The first slot 128a has a first insertion port 128c, and the first plug 14 can be inserted into the first slot 128a in the insertion direction D2 through the first insertion port 128c. The second slot 128b has a second insertion port 128d, and the second plug 16 can be inserted into the second slot 128b in the insertion direction D2 through the second insertion port 128d. The partition wall 1284 has a first recess 1284a located at the first insertion port 128c and the second insertion port 128d. The first side wall 1282b is located on the other side of the first slot 128a relative to the partition wall 1284 in the arrangement direction D1 and has a second recess 1282e located at the first insertion port 128c. The second side wall 1282d is located on the other side of the second slot 128b relative to the partition wall 1284 in the arrangement direction D1 and has a third recess 1282f located at the second insertion port 128d.

Please also refer to FIGS. 4 and 5; in FIG. 5, to simplify the illustration, both the first plug 14 and the second plug 16 are represented by a solid structure. The first plug 14 includes a first housing 142 and a first mating electrical connection body 144. The first mating electrical connection body 144 is disposed in the first housing 142 and exposed so as to be able to be connected to the first electrical connection body 124 (for example, protruding from The first housing 142). The first housing 142 has a first protrusion 142a and a first opposite side protrusion 142b in the arrangement direction D2. The first protrusion 142a and the first opposite side protrusion 142b are in a vertical direction D3 (indicated by the double arrow In the picture) are staggered. The vertical direction D3 is perpendicular to the arrangement direction D1 and the insertion direction D2. After the first plug 14 is inserted into the first slot 128a with the first housing 142 in the insertion direction D2, the first mating electrical connection body 144 is engaged with the first electrical connection body 124, and the first protrusion 142a is located in the first recess In 1284a, the first opposite side protrusion 142b is located in the second recess 1282e.

The second plug 16 includes a second housing 162 and a second mating electrical connection body 164. The second mating electrical connection body 164 is disposed in the second housing 162 and exposed so as to be connected to the second electrical connection body 126. The second housing 162 has a second protrusion 162a and a second opposite side protrusion 162b in the arrangement direction D2, and the second protrusion 162a and the second opposite side protrusion 162b are staggered in the vertical direction D3. After the second plug 16 is inserted into the second slot 128b with the second housing 162 in the insertion direction D2, the second mating electrical connection body 164 is connected to the second electrical connection body 126, and the second opposite side protrusion 162b is located in the first recess In 1284a, the second protrusion 162a is located in the third recess 1282f.

The socket 12 penetrates the notches 1284a, 1282e, 1282f on the connector housing 128 to avoid structural interference with the protrusions 142a, 142b, 162a, 162b. At the same time, through the notches 1284a, 1282e, 1282f and the protrusions 142a, 142b, 162a, 162b, the plugs 14, 16 can be confirmed whether they are inserted into the correct socket 12 (for example, the general socket does not have a notch structure, and the plugs 14, 16 cannot Insert it completely to avoid damage to the plugs 14, 16 due to mis-insertion). In this embodiment, after the plugs 14, 16 are inserted into the socket 12, the first protrusion 142a and the second opposite side protrusion 162b are simultaneously located in the first recess 1284a and staggered in the vertical direction D3, so it can be avoided The plugs 14, 16 structurally interfere in the vertical direction D3. Moreover, after the plugs 14, 16 are inserted into the socket 12, the first protrusion 142a will not enter the second slot 128b, and the second opposite side protrusion 162b will not enter the first slot 128a, so it can be avoided The plugs 14, 16 structurally interfere in the arrangement direction D1. This can be achieved by controlling the protrusion height of the first protrusion 142a and the second opposite side protrusion 162b, for example, the protrusion height of the first protrusion 142a and the second opposite side protrusion 162b in the arrangement direction D1 is less than or equal to the partition wall The thickness of 1284 in the arrangement direction D1 is 1284b.

In addition, in this embodiment, in practice, the size of the first recess 1284a (or the length 1284c in the vertical direction D3) and its position are designed to accommodate the first protrusion 142a and the second opposite side The protrusion 162b is the principle. For example, in the vertical direction D3, if the first protrusion 142a and the second opposite side protrusion 162b abut against each other and also against the edge of the first recess 1284a, the length 142d of the first protrusion 142a is opposite to the second opposite The sum of the length 162d of the side protrusion 162b is equal to the length 1284c of the first recess 1284a. For another example, in the vertical direction D3, if the first protrusion 142a and the second opposite side protrusion 162b are arranged separately and can abut or not abut the edge of the first recess 1284a, the length 142d of the first protrusion 142a is equal to The sum of the length 162d of the second opposite side protrusion 162b is smaller than the length 1284c of the first recess 1284a. Similarly, in practice, the length 1282g of the second recess 1282e is greater than or equal to the length 142e of the first opposite side protrusion 142b, and the length 1282h of the third recess 1282f is greater than or equal to the length 162e of the second protrusion 162a.

In addition, in this embodiment, in the vertical direction D3, the first notch 1284a is located above the middle of the first slot 128a, which helps prevent the plugs 14, 16 from being inserted into the socket 12 after rotating 180 degrees with respect to the insertion direction D2. For the first plug 14, as shown in FIG. 6, in the vertical direction D3, the first housing 142 has an upper surface 142f and a lower surface 142g relative to the upper surface 142f. In principle, when the positional relationship of the first protrusion 142a with respect to the upper surface 142f and the lower surface 142g is different from the first opposite side protrusion 142b, the state before and after the first plug 14 is rotated 180 degrees with respect to the insertion direction D2 is different, and By matching the contours corresponding to the notches 1284a and 1282e, it is easy to prevent the first plug 14 from being inserted incorrectly by rotating 180 degrees. For example, in FIG. 6, the distance 142h between the first protrusion 142a and the upper surface 142f is different from the distance 142i between the first opposite side protrusion 142b and the lower surface 142g, or the distance 142j between the first protrusion 142a and the lower surface 142g It is different from the distance 142k between the first opposite side protrusion 142b and the upper surface 142f.

Similarly, for the first slot 128a, as shown in FIG. 7, in the vertical direction D3, the first slot 128a has a bottom surface 128e and a top surface 128f opposite to the bottom surface 128e. The distance 128g between the first recess 1284a and the bottom surface 128e is different from the distance 128h between the first recess 1284a and the top surface 128f. In principle, the first opposite side protrusion 142b can be rotated by 180 relative to the insertion direction D2 of the first plug 14 It is impossible to enter the first recess 1284a after the degree of temperature, so as to realize the anti-misplugging mechanism.

In addition, in this embodiment, the lengths 142d and 142e of the first protrusion 142a and the first opposite side protrusion 142b in the vertical direction D3 are the same, but the implementation is not limited to this. For example, as shown in FIG. 8, when the lengths 142d', 142e' of the first protrusion 142a and the first opposite side protrusion 142b are different, even the first notch 1284a is located in the middle of the first slot 128a, and the state before and after the first plug 14 is rotated by 180 degrees with respect to the insertion direction D2 is different. The length 142d' of the first protrusion 142a is greater than the length 142e' of the first opposite side protrusion 142b, and the length of the second recess 1282e matches the length 142e'. Therefore, after the first plug 14 is rotated 180 degrees, the first protrusion The block 142a cannot enter the second recess 1282e, so the plugs 14, 16 can be prevented from being inserted into the socket 12 after rotating 180 degrees with respect to the insertion direction D2.

In addition, although the electrical connector set 1 of this embodiment takes the same structure of the first plug 14 and the second plug 16 as an example, the second plug 16 and its matching second slot 128b, first notch 1284a, For other descriptions of the third notch 1282f, etc., you can directly refer to the relevant descriptions of the first plug 14 and its matching first slot 128a, first notch 1284a, second notch 1282e, etc. (including modification examples). Let's go into details. But the implementation is not limited to this. Based on the foregoing description of the structural relationship between the notches 1284a, 1282e, 1282f and the protrusions 142a, 142b, 162a, 162b, the first plug 14 and the second plug 16 have different structures (connector housing 128 and electrical The connection body 124, 126 correspondingly modified) can also realize the same anti-misplugging mechanism, which will not be repeated here.

The foregoing descriptions are only preferred embodiments of the present invention, and all equivalent changes and modifications made in accordance with the scope of the patent application of the present invention shall fall within the scope of the present invention.

12: Socket

122: circuit board

128b: second slot

128d: second insertion port

1282a: top wall

1282c: bottom wall

1282d: second side wall

1282f: third notch

1284: Partition Wall

1284a: first notch

1284b: thickness

130: heat dissipation structure

132: Light guide structure

14: The first plug

142a: The first bump

D1: Arrangement direction

D2: Insertion direction

D3: vertical direction

Claims (16)

An electrical connector set, including: a socket, including: a connector housing, forming an adjacent first slot and a second slot, the first slot and the second slot in an arrangement direction Are arranged and extend parallel to an insertion direction, the connector housing includes a partition wall separating the first slot and the second slot in the arrangement direction, the first slot has a first insertion opening, and the first slot The two slots have a second insertion port, the partition wall has a first notch located at the first insertion port and the second insertion port, and the first slot has a bottom surface in a vertical direction and is opposite to A top surface of the bottom surface, the distance between the first recess and the bottom surface is different from the distance between the first recess and the top surface; a first plug includes: a first housing in the arrangement direction There is a first protrusion and a first opposite side protrusion, the first protrusion and the first opposite side protrusion are staggered in the vertical direction, the vertical direction is perpendicular to the arrangement direction and the insertion direction, the first A housing having an upper surface and a lower surface opposite to the upper surface in the vertical direction, the distance between the first protrusion and the upper surface is different from the distance between the first opposite side protrusion and the lower surface; and a The second plug includes: a second housing with a second protrusion and a second opposite side protrusion in the arrangement direction, the second protrusion and the second opposite side protrusion are staggered in the vertical direction Wherein, after the first plug is inserted into the first socket with the first housing in the insertion direction and the second plug is inserted into the second socket with the second housing in the insertion direction, the first The protrusion and the second opposite side protrusion are located in the first recess and are staggered in the vertical direction. The electrical connector set according to claim 1, wherein the connector housing includes a first side wall located on the other side of the first slot with respect to the partition wall, and the first side wall has a second notch , Located at the first insertion port, after the first plug is inserted into the first slot, the first opposite side protrusion is in the second recess. The electrical connector set according to claim 2, wherein in the vertical direction, the length of the second recess is greater than or equal to the length of the first opposite side protrusion. The electrical connector set according to claim 1, wherein the connector housing includes a second side wall located on the other side of the second slot with respect to the partition wall, and the second side wall has a third notch , Located at the second insertion opening, after the second plug is inserted into the second slot, the second protrusion is in the third recess. The electrical connector set according to claim 1, wherein the protrusion height of the first protrusion and the second opposite side protrusion is less than or equal to the thickness of the partition wall in the arrangement direction. The electrical connector set according to claim 1, wherein in the vertical direction, the sum of the length of the first protrusion and the length of the second opposite side protrusion is less than or equal to the length of the first recess. The electrical connector set according to claim 1, wherein in the vertical direction, the length of the first protrusion is different from the length of the first opposite side protrusion. The electrical connector set according to claim 1, wherein the socket includes a first electrical connection body and a second electrical connection body, which are arranged in the connector housing and are respectively exposed to the first socket and the second socket Slot, the first plug includes a first mating electrical connection body disposed in the first housing, the second plug includes a second mating electrical connection body disposed in the second housing, and the first plug And the second plug is inserted into the first socket and the second socket, the first mating electrical connection body and the second mating electrical connection body are respectively connected to the first electrical connection body and the second electrical connection body . The electrical connector set according to claim 1, wherein the first plug and the second plug have the same structure. A socket comprising: a connector housing forming an adjacent first slot and a second slot, the first slot and the first slot Two slots are arranged in an arrangement direction and extend parallel to an insertion direction. The connector housing includes a partition wall separating the first slot and the second slot in the arrangement direction. The first slot has a A first insertion port, the second slot has a second insertion port, the partition wall has a first notch located at the first insertion port and the second insertion port, and the first slot is in a vertical direction It has a bottom surface and a top surface opposite to the bottom surface. The distance between the first recess and the bottom surface is different from the distance between the first recess and the top surface. The socket according to claim 10, wherein the connector housing includes a first side wall located on the other side of the first slot relative to the partition wall, and the first side wall has a second notch located in the The first insertion port. The socket according to claim 10, wherein the connector housing includes a second side wall located on the other side of the second slot with respect to the partition wall, and the second side wall has a third notch located in the The second insertion port. The socket according to claim 10, wherein the socket includes a first electrical connection body and a second electrical connection body, which are disposed in the connector housing and are respectively exposed to the first socket and the second socket. A plug includes: a shell with a longitudinal direction and a protrusion and an opposite side protrusion in a transverse direction, the longitudinal direction is perpendicular to the transverse direction, the protrusion and the opposite side protrusion are in a Staggered in the vertical direction, the vertical direction is perpendicular to the lateral direction and the longitudinal direction, the housing has an upper surface in the vertical direction and a lower surface opposite to the upper surface, and the distance between the protrusion and the upper surface is different The distance between the opposite side protrusion and the lower surface. The plug according to claim 14, wherein the plug includes a mating electrical connection body disposed in the housing. The plug according to claim 14, wherein in the vertical direction, the length of the protrusion is not Same as the length of the opposite side protrusion.

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