Patent Grant
11670893
The subject matter herein relates generally to a connector system.
A connector system, such as a power connector system, includes power connectors to provide electrical power to various system components. For example, the power connector system may be a used in a backplane power distribution application. Some known conventional power connector systems include a cable mounted socket electrically connected to a pin. The pin may be mounted to a circuit board or a bus bar to supply power to the circuit board or bus bar. The pin is a single-pole, quick connect and disconnect replacement for lug connections. The pin is reliable and offers better serviceability than bolt-fitted lugs. Known power connector systems are not without disadvantages. For example, the pin may have a current carrying limit. Additionally, unmating of the pin from the socket may be problematic.
A need remains for a cost effective and reliable socket connector for a connector system.
In one embodiment, a socket connector is provided and includes a housing having a top, a bottom, a first side wall and a second side wall. The housing has a front and a rear. The housing includes a cavity. The housing includes a pin access opening through the bottom open to the cavity configured to receive a pin. The housing includes a latch pocket open to the cavity. The socket connector includes a socket received in the cavity and is configured to be electrically connected to the pin. The socket has a cable socket configured to receive a cable and the socket is configured to be coupled to the cable. The socket has a pin socket configured to receive the pin. The pin socket is aligned with the pin access opening of the housing. The socket electrically connects the cable and the pin. The socket connector includes a latch movably received in the latch pocket. The latch is configured to engage the pin to secure the socket connector to the pin. The latch includes a latch release accessible exterior of the housing to release the latch. The latch includes a latching rib having a latching surface. The latch release moves the latch between a latched position and a clearance position. The latching rib is configured to engage the pin in the latched position. The latching rib is released from the pin in the clearance position to allow uncoupling of the socket connector from the pin.
In another embodiment, a socket connector is provided and includes a housing having a top, a bottom, a first side wall and a second side wall. The housing has a front and a rear. The housing includes a first cavity and a second cavity with a separating wall therebetween. The separating wall has a latch pocket. The housing includes a first pin access opening through the bottom open to the first cavity and a second pin access opening through the bottom open to the second cavity. The socket connector includes a first socket received in the first cavity. The first socket has a first cable socket configured to receive a first cable. The first socket configured to be coupled to the first cable. The first socket has a first pin socket configured to receive a first pin. The first pin socket is aligned with the first pin access opening of the housing. The first socket electrically connects the first cable and the first pin. The socket connector includes a second socket received in the second cavity. The second socket has a second cable socket configured to receive a second cable. The second socket is configured to be coupled to the second cable. The second socket has a second pin socket configured to receive a second pin. The second pin socket is aligned with the second pin access opening of the housing. The second socket electrically connecting the second cable and the second pin. The socket connector includes a latch movably received in the latch pocket of the separating wall between the first cavity and the second cavity. The latch includes a latch release accessible exterior of the housing to release the latch. The latch includes a first latching rib having a first latching surface and a second latching rib having a second latching surface. The latch release moves the latch between a latched position and a clearance position. The first latching rib is positioned in the first cavity to engage the first pin in the latched position. The second latching rib is positioned in the second cavity to engage the second pin in the latched position. The first and second latching ribs are released from the first and second pins in the clearance position to allow uncoupling of the socket connector from the pin.
In a further embodiment, a connector system is provided and includes a pin connector having a substrate holding a first pin and a second pin. The first pin includes a mating end has a first groove. The second pin includes a mating end has a second groove. The connector system includes a socket connector coupled to the pin connector. The socket connector is provided and includes a housing having a top, a bottom, a first side wall and a second side wall. The housing has a front and a rear. The housing includes a first cavity and a second cavity with a separating wall therebetween. The separating wall has a latch pocket. The housing includes a first pin access opening through the bottom open to the first cavity and a second pin access opening through the bottom open to the second cavity. The socket connector includes a first socket received in the first cavity. The first socket has a first cable socket configured to receive a first cable. The first socket is configured to be coupled to the first cable. The first socket has a first pin socket receiving the first pin. The first pin socket is aligned with the first pin access opening of the housing. The first socket electrically connecting the first cable and the first pin. The socket connector includes a second socket received in the second cavity. The second socket has a second cable socket configured to receive a second cable. The second socket is configured to be coupled to the second cable. The second socket has a second pin socket receiving the second pin. The second pin socket is aligned with the second pin access opening of the housing. The second socket electrically connecting the second cable and the second pin. The socket connector includes a latch movably received in the latch pocket of the separating wall between the first cavity and the second cavity. The latch includes a latch release accessible exterior of the housing to release the latch. The latch includes a first latching rib having a first latching surface and a second latching rib having a second latching surface. The latch release moves the latch between a latched position and a clearance position. The first latching rib is positioned in the first cavity to engage the first groove of the first pin in the latched position. The second latching rib is positioned in the second cavity to engage the second groove of the second pin in the latched position. The first and second latching ribs are released from the first and second pins in the clearance position to allow uncoupling of the socket connector from the pin.
The pin connector 200 includes a substrate 202 holding a first pin 204 and a second pin 206. Providing multiple pins 204, 206 increases current carrying capacity of the connector system 100. In an exemplary embodiment, the first pin 204 is a power pin, such as a positive power pin and the second pin 206 is a power pin, such as a negative power pin, forming a power circuit. In other various embodiments, the first and second pins 204, 206 may both be positive power pins or both be negative power pins to increase current carrying capacity of the pin connector 200. In such embodiments, a second pin connector may be provided providing the other of the positive or negative power pins. In other various embodiments, the first pin 204 and/or the second pin 206 may be a signal pin or a ground pin.
In various embodiments, the substrate 202 is a circuit board. The pins 204, 206 may be coupled to the circuit board by a press-fit connection or by using screws. In other various embodiments, the substrate 202 is a busbar. The pins 204, 206 may be coupled to the busbar using screws or swaging the pins 204, 206. Optionally, multiple substrates 202 may be provided with each substrate holding a respective pin 204, 206.
In an exemplary embodiment, the first and second pins 204, 206 are identical. With additional reference to
In an exemplary embodiment, the pin 212 includes a groove 220 extending around the circumference of the pin 212. The pin 212 is stepped inward to form the groove 220. The groove 220 may be V-shaped. The groove 220 forms a surface for latchably coupling the socket connector 102 to the pin 212. The groove 220 is located proximate to a distal end 222 of the pin 212. For example, the groove 220 is located in the top half of the pin 212 and may be located immediately adjacent the distal end 222. In an exemplary embodiment, the pin 212 is chamfered or cupped at the distal end 222 to provide a lead-in surface for mating with the socket connector 102. In various embodiments, the pin 212 may be machined, such as being screw machined, to form the groove 220.
With reference back to
The housing 110 includes one or more cavities 164 that receive the sockets 112. In various embodiments, the housing 110 may include a pair of the cavities 164, such as a first cavity and a second cavity that receive the pair of sockets 112. The cavities 164 may be separated by a separating wall 166, which electrically isolates the sockets 112. The housing 110 may include retaining features that retain the socket 112 in the cavities 164, such as latches, tabs, recesses, shoulders, and the like formed in the walls defining the cavities 164. When the sockets 112 are received in the cavities 164, the housing 110 may completely enclose the sockets 112 for making a touch safe covering for the sockets 112. For example, tops, bottoms, sides, fronts and/or rears of the sockets 112 may be covered by the housing 110. The sockets 112 do not require secondary insulative coverings to make the sockets 112 touch safe. Rather, the housing 110 insulates the conductive portions of the sockets 112 without the need for secondary insulative coverings. In an exemplary embodiment, the cavities 164 are open at the top 150 and include upper openings 168. The upper openings provide access to the cavities 164. The upper openings 168 allow visual inspection of the pins 204, 206 during mating, such as for aligning the housing 110 with the pins 204, 206. The upper openings 168 may be provided at ends of extensions at the top 150.
In an exemplary embodiment, the socket connector 102 includes one or more latches 170 used to couple the socket connector 102 to the pin connector 200. The latch 170 is received in a latch pocket 172 in the housing 110. In an exemplary embodiment, the latch 170 is configured to directly engage the pins 204, 206. For example, the latch 170 is received in the grooves 220 of the pins 204, 206 to retain the socket connector 102 on the pins 204, 206. In an exemplary embodiment, the latch 170 is movably coupled to the housing 110. For example, the latch 170 may be slidable in the latch pocket 172. The latch 170 is movable between a latched position and a clearance position. The latch 170 is accessible at an exterior of the housing 110, such as at the front 160. The latch 170 is deflected, such as being pressed inward, to release the socket connector 102 from the pin connector 200.
In the illustrated embodiment, the socket connector 102 includes a pair of the sockets 112, which includes a first socket 114 and a second socket 116. Optionally, the first and second sockets 114, 116 may be identical. Each socket 112 is electrically connected to a cable 118. The cable 118 may be a power cable. The first and second sockets 114, 116 are configured to be electrically connected to the first and second pins 204, 206, respectively. In an exemplary embodiment, the sockets 114, 116 are power sockets.
The sockets 114, 116 are manufactured from a conductive material, such as a copper or aluminum material. In various embodiments, the sockets 114, 116 are machined parts. In alternative embodiments, the sockets 114, 116 may be diecast, extruded, molded or may be a stamped and formed parts. The sockets 114, 116 each extend between a mating end 120 and a terminating end 122. The terminating end 122 is coupled to the cable 118. In an exemplary embodiment, the sockets 114, 116 each include a crimp barrel 124 at the terminating end 122. The crimp barrel 124 is hollow forming a cable socket 126 that receives the cable 118. The crimp barrel 124 is crimped to the cable 118, such as using a crimping tool. The terminating end 122 may be coupled to the cable 118 by other means in alternative embodiments. For example, the terminating end 122 may include a weld pad welded to the end of the cable 118.
The sockets 114, 116 each include a main body 130 at the mating end 120. The main body 130 includes a pin socket 132 configured to receive the corresponding pin 212 (shown in
In an exemplary embodiment, the sockets 114, 116 each include a torsional band contact 140 received in the pin socket 132. The torsional band contact 140 includes rings or bands 142 around the top and a bottom of the torsional band contact 140 and spring beams 144 extending between the bands 142. The spring beams 144 are deflectable relative to each other the spring beams 144 extend inward toward an interior of the torsional band contact 140. For example, the torsional band contact 140 may have an hourglass shape. The spring beams 144 include separable mating interfaces configured to engage and electrically connect to the pin 212 with the pin 212 is plugged into the pin socket 132 in the torsional band contact 140.
In an exemplary embodiment, the housing 110 includes pin access openings 165 at the bottom 152. The pin access openings 165 provide access to the cavities 164. In an exemplary embodiment, the sockets 114, 116 are arranged in the housing 110 such that the pin sockets 132 are aligned with the pin access openings 165 to receive the pins 204, 206. In an exemplary embodiment, the housing 110 includes guide surfaces at the pin access openings 165 to guide loading of the pins 204, 206 into the pin access openings 165. For example, the guide surfaces are angled or chamfered surfaces used to funnel the pins 204, 206 into the pin access openings 165. The guide surfaces provide a larger catch radius for receiving the pins 204, 206 to guide mating of the socket connector 102 with the pin connector 200.
During mating, the pin access openings 165 are aligned with the distal ends 222 of the pins 204, 206. The upper openings 168 allow visual alignment with the pins 212. The housing 110 is lowered over the pins 204, 206 to load the pins 204, 206 into the cavities 164. In an exemplary embodiment, the housing 110 is lowered onto the pin connector 200 until the bottom 152 is seated on the flange 216 and/or the substrate 202. During mating, the latch 170 engages the pins 204, 206. The pins 204, 206 may be shaped (for example, rounded or chamfered at the top) to engage the latch 170 and actuate or move the latch to a clearance position to pass the latch 170 along the ends of the pins 204, 206 to align the latch 170 with the grooves 220. The latch 170 may clip or snappably couple to the pins 204, 206 in the grooves 220. In the latched position, the latch 170 is received in the grooves 220 to secure the socket connector 102 to the pin connector 200. The latch 170 is used to lock the socket connector 102 onto the pins 204, 206 without the need for separate mounting hardware, such as fasteners used to secure the housing 110 to the substrate 202. As such, the housing 110 may be manufactured with a narrow width. For example, the walls along the cavities 164 outside of the pins 212 may be relatively thin, leading to a small footprint for the socket connector 102, which allows other components to be provide on the substrate 202 in close proximity to the pins 204, 206 (particularly when compared to a housing having mounting lugs or other mounting features along the sides of the housing 110 used for mounting the socket connector 102 to the substrate 202).
In an exemplary embodiment, the housing 110 includes towers or extensions 158 at the top 150 of the housing 110. The extensions 158 elevate the upper openings 168 a safe distance above the distal ends 222 of the pins 212. The extensions 158 make the housing 110 touch safe by preventing inadvertent touching or shorting to the pins 204, 206.
The latch 170 includes a main body 174, a latch release 176, and one or more latch arms 178. In the illustrated embodiment, the latch release 176 is provided at a front of the main body 174 and the latch arms 178 extend from a rear of the main body 174. The latch release 176 may be a push button. The latch release 176 is exposed at the exterior of the housing 110, such as at the front 160 of the housing 110. The latch release 176 is actuated (unlatched) by pushing the latch 170 inward from the latched position to the clearance position. Other types of actuating movements are possible in alternative embodiments.
In the illustrated embodiment, the latch 170 includes a pair of the latch arms 178. The latch arms 178 are configured to be latchably coupled to the pin connector 200, such as the pins 204, 206. The latch arms 178 are deflectable. The latch arms 178 may be deflected inward (for example, toward each other) during mating and unmating of the socket connector 102 to the pin connector 200. The latch arms 178 may be deflected automatically (for example, without pressing the latch release 176), such as by the pins 204, 206 during mating of the socket connector 102 to the pin connector 200. For example, as the socket connector 102 is pressed downward onto the pin connector 200, the distal ends of the pins 204, 206 (which may be rounded) engage the latch arms 178 and deflect the latch arms 178 inward until the latch arms 178 are aligned with the grooves 220. The latch arms 178 may snap outward to clip or latch to the grooves 220. The latch arms 178 may be deflected using the latch release 176, such as being squeezed inward when actuated to release the latch arms 178 from the pins 204, 206. The latch arms 178 may be latchably coupled to the housing 110. In an exemplary embodiment, the latch arms 178 are configured to be deflected inward by the housing 110 as the latch 170 is actuated and pressed inward to the clearance position. For example, as the latch 170 is moved rearward, the latch arms 178 engage the housing 110 and are flexed inward toward each other to release from the pins 204, 206. The latch arms 178 are moved from a blocking or latched position to the clearance position when the latch release 176 is actuated (for example, when the latch release 176 is pressed by an operator). In an exemplary embodiment, the latch arms 178 engage the housing 110 and return the latch 170 from the released position to the latched position when the latch release 176 is released by the operator.
Each latch arm 178 includes a latching rib 180 along a side of the latch arm 178, such as along an outer edge of the latch arm 178. The latching rib 180 has a latching surface 182 (for example, an upper surface) configured to latchably engage the corresponding pin 204, 206. The latching rib 180 is sized and shaped to interface with the pin 204, 206, such as to fit in the groove 220 (shown in
The latching rib 180 extends along a length of the latch arm 178. The latching rib 180 may extend along a length of the main body 174. In the illustrated embodiment, the latching rib 180 ends short of the latch release 176. For example, a window 184 is provided between the latching rib 180 and the latch release 176. The window 184 may extend along a length of the main body 174. Optionally, the window 184 may extend along a length of the latch arm 178 (for example, when the latching rib 180 is short of the main body 174). The latching rib 180 is disengaged from (unlatched from) the pin 204, 206 in the clearance position. For example, the window 184 is configured to be aligned with the pin 204, 206 when the latch 170 is moved to the clearance position. The socket connector 102 is able to move vertically along the pins 204, 206 in the clearance position when the windows 184 are aligned with the pins 204, 206.
Each latch arm 178 includes a latching finger 186 at a distal end 188 of the latch arm 178. The latching finger 186 is configured to be latchably coupled to the housing 110. For example, the latching finger 186 may be received in a notch 190 in the housing 110 to engage a catch surface 192 of the housing 110. The latching finger 186 prevents pull-out of the latch 170 from the housing 110. In an exemplary embodiment, the housing 110 includes a ramp surface 194 at the rear of the latch pocket 172. The distal end 188 of the latch arm 178 engages the ramp surface 194. The ramp surface 194 is configured to deflect the latch arm 178 inward as the distal end 188 rides along the ramp surface 194. For example, as the latch 170 is actuated (pressed rearward to the clearance position of
The latch release 176 is easily accessible from the exterior of the housing 110 to allow quick and easy unlatching of the socket connector 102 from the pin connector 200. The latch 170 is slid in a linear actuation direction (for example, rearward) when the latch release 176 is actuated. The sliding movement of the latch 170 releases the latching ribs 180 and aligns the windows 184 with the pins 204, 206 to release the latch 170 from connection with the pins 204, 206. Thus, the socket connector 102 may be removed from the pins 204, 206 without obstruction.
It is to be understood that the above description is intended to be illustrative, and not restrictive. For example, the above-described embodiments (and/or aspects thereof) may be used in combination with each other. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from its scope. Dimensions, types of materials, orientations of the various components, and the number and positions of the various components described herein are intended to define parameters of certain embodiments, and are by no means limiting and are merely exemplary embodiments. Many other embodiments and modifications within the spirit and scope of the claims will be apparent to those of skill in the art upon reviewing the above description. The scope of the invention should, therefore, be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. In the appended claims, the terms “including” and “in which” are used as the plain-English equivalents of the respective terms “comprising” and “wherein.” Moreover, in the following claims, the terms “first,” “second,” and “third,” etc. are used merely as labels, and are not intended to impose numerical requirements on their objects. Further, the limitations of the following claims are not written in means-plus-function format and are not intended to be interpreted based on 35 U.S.C. § 112(f), unless and until such claim limitations expressly use the phrase “means for” followed by a statement of function void of further structure.
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| Number | Date | Country | |
|---|---|---|---|
| 20230033815 A1 | Feb 2023 | US |
