TWI637569B - Plug structure and power device - Google Patents

Abstract

A plug structure includes a pin base, a plurality of conductive elastic pieces, and a pin set. The conductive elastic sheets are assembled on the pin base separately from each other, and each of the conductive elastic sheets has a common area. The pin set is alternatively assembled on the pin base and includes a plurality of pins. The pins are respectively disposed corresponding to the conductive elastic pieces and electrically coupled to the common area.

Description

Plug structure and power supply unit

The present invention relates to a plug structure and a power supply device, and more particularly to a plug structure that can be replaced with different specifications and a thin profile, and a power supply device using the plug structure.

The existing power supply device is composed of a body and a plug structure, wherein the body is provided with an elastic hook, and the elastic hook cooperates with the slot of the plug structure to assemble the plug of the plug structure to the body. In order for the power supply device to work properly, when the plug structure is assembled to the body, the position of the plug structure relative to the body cannot be changed and there is no way to replace the plug structure.

The present invention provides a plug structure in which a pin set is replaceably assembled on a pin base, which can reduce production costs.

The present invention provides a power supply device having the above-described plug structure, which can reduce production cost and increase competitiveness.

A plug structure of the present invention includes a pin base, a plurality of conductive elastic pieces, and a pin set. The conductive elastic sheets are assembled separately from each other on the pin base, wherein each of the conductive elastic sheets has a common area. The pin set is alternatively assembled on the pin base and includes a plurality of pins, wherein the pins are respectively disposed corresponding to the conductive elastic pieces and electrically coupled to the common area.

In an embodiment of the invention, the pin base has an upper surface, a surrounding surface surrounding the upper surface, two receiving grooves, and a partition. One end of the accommodating groove is connected to the surrounding surface, and the accommodating groove is disposed on a through shaft of the pin base. The partition plate is disposed on the upper surface and protrudes from a side of each of the accommodating grooves and a portion of the surrounding surface, and the partition divides the upper surface into a plurality of symmetrical regions.

In an embodiment of the invention, the pin base has a rotation angle, and the partition has a plurality of blocking portions, and the rotation angle is from the through shaft to the blocking portion of the partition.

In an embodiment of the invention, the conductive elastic pieces are symmetrically disposed on the pin base. Each of the conductive elastic pieces includes a power supply clamping portion, and a first horizontal straight line distance from one side of each receiving groove to the adjacent power supply clamping portion is at least 5.3 mm. A second horizontal straight line distance from the power supply nip to one side of the pin base is at least 6.5 mm.

In an embodiment of the invention, each of the conductive elastic pieces further includes a body portion, a fixing portion and a free portion bent relative to the body portion. The free portion is located above the main body portion and has a common area, and each of the conductive elastic pieces is fixed to the pin base through the fixing portion.

In an embodiment of the present invention, a first vertical height of a first side of each of the accommodating slots is greater than a second vertical height of a second side of each of the accommodating slots, and a second vertical height At least 1.7 mm.

In an embodiment of the invention, the pin set includes a cover plate having at least one snap groove. At least one engaging groove is engaged with the partition to assemble the pin set on the pin base.

In an embodiment of the invention, the cover plate covers the pin base and the conductive elastic piece and has a plurality of openings, and the plurality of pins respectively pass through the opening to be in contact with the conductive elastic piece.

In an embodiment of the invention, the pin set described above conforms to a plug specification of one of the United States, the United Kingdom, the European Union, Australia, Japan, China, South Korea, Brazil, India, Argentina, and the Republic of Namibia.

A power supply device of the present invention includes a plug structure and a power supply. The plug structure includes a pin base, a plurality of conductive elastic pieces, and a pin set. The conductive elastic sheets are assembled separately from each other on the pin base, wherein each of the conductive elastic sheets has a common area. The pin set is replaceably assembled on the pin base and includes a plurality of pins, wherein the pins are respectively disposed corresponding to the conductive elastic pieces and electrically coupled to the common area of each of the conductive elastic pieces. The power supply includes a plurality of power pins, wherein the plug structure is rotatably assembled to the power supply in a rotating manner such that the power pins respectively contact the conductive springs to turn on the power.

In an embodiment of the invention, the pin base includes two protrusions and two first limiting members, and the power supply comprises an upper housing, a lower housing and a second limiting member. The upper housing is assembled on the lower housing and has an assembly area, a circular assembly chute and a plurality of positioning slots. The positioning groove is arranged on the circular assembly chute. The power pin is assembled on the upper casing and is located in the assembly area with the second limiting member. The protruding portion of the pin base slides into the circular assembly sliding slot from the position corresponding to the positioning slot, and rotates at an angle to cause one of the first limiting member and the second limiting member to interfere with each other, so that the The plug structure is electrically connected to the power supply.

In an embodiment of the invention, the power supply further includes a release pressing portion disposed on the upper casing, and the plug structure is detached from the power supply by pressing the release pressing portion.

Based on the above, in the design of the plug structure of the present invention, the conductive elastic piece has a common area, and the pin set is replaceably assembled on the pin base, and the pins of the pin set are respectively disposed corresponding to the conductive elastic piece and electrically coupled to the conductive elastic piece. Shared area. In this way, the pin groups of different specifications can share the conductive elastic piece, which can effectively reduce the production cost.

The above described features and advantages of the invention will be apparent from the following description.

FIG. 1 is a perspective view of a power supply device according to an embodiment of the invention. 2A is a perspective exploded view of the power supply device of FIG. 1. FIG. 2B is an enlarged schematic view of the conductive elastic piece of FIG. 2A. 3 is a perspective view of the plug structure of FIG. 1. 4 is a side cross-sectional view of the plug structure of FIG. 1. It should be noted that the pin groups in FIG. 3 are shown by dashed lines for clarity of explanation. Referring to FIG. 1 and FIG. 2A simultaneously, the power supply device 10 of the present embodiment includes a plug structure 100 and a power supply 200, wherein the plug structure 100 is detachably assembled to the power supply 200 in a rotating manner, and The exchangeable plug structure of the embodiment is suitable for a power supply unit of an alternating current power source.

Referring to FIG. 2A , FIG. 2B , FIG. 3 and FIG. 4 , the plug structure 100 includes a pin base 110 , a plurality of conductive elastic pieces 120 , and a pin set 130 . The conductive elastic sheets 120 are assembled on the pin base 110 separately from each other, and each of the conductive elastic sheets 120 has a common area 1261. The pin set 130 is alternatively assembled on the pin base 110 and includes a plurality of pins 134. The pins 134 are respectively disposed corresponding to the conductive elastic piece 120 and electrically coupled to the common area 1261 of each conductive elastic piece 120. In the present embodiment, the pins 134 are, for example, directly in contact with the shared area 1261.

In detail, referring to FIG. 2A and FIG. 3, the pin base 110 of the present embodiment has an upper surface T, a surrounding surface O surrounding the upper surface T, two receiving grooves 112, and a partition plate 114. The partition plate 114 is, for example, integrally formed. One end of the accommodating groove 112 is connected to the peripheral surface O, and the accommodating groove 112 is disposed on a through shaft C of the pin base 110, and each accommodating groove 112 is connected to the peripheral surface O. The partition plate 114 is disposed on the upper surface T and protrudes from a first side S1 of each accommodating groove 112 and a portion of the peripheral surface O. The partition 114 protrudes from the peripheral surface O to have a plurality of blocks. Part 1141. The partition plate 114 divides the upper surface T of the pin base 110 into a plurality of symmetrical regions R, where the plurality of symmetrical regions R are, for example, two. In detail, the partition plate 114 extends upward and protrudes along the circumference of the accommodating groove 112. Further, the pin base 110 has a rotation angle A from the through-axis C to the blocking portion 1141 of the partition plate 114. Here, the rotation angle A is not more than 60 ± 10 degrees, but is not intended to limit the scope of the present invention. In detail, the rotation angle A is calculated from the through-axis C, and the rotation angle A is cut off to the peripheral surface where the partition plate 114 is provided (that is, the stopper portion 1141), that is, the rotation range of the rotation angle A is not set/convexly provided. Separator 114.

In addition, the pin base 110 further includes two protrusions 116 and two first limiting members 118. The protrusions 116 are connected to the peripheral surface O and symmetrically disposed with each other, and the two first limiting members 118 are respectively located in the two symmetric regions. The bottom surface of the R, and each of the first limiting members 118 is, for example, a notch, but is not limited thereto. In other embodiments, the partition 114 is detachable, for example, and the upper surface T of the pin base 110 is correspondingly divided into a plurality of symmetrical regions R.

Referring to FIG. 2A and FIG. 3 again, the conductive elastic sheets 120 are symmetrically disposed on the upper surface T of the pin base 110 and respectively located in the symmetric region R. Each conductive elastic piece 120 includes a body portion 122 , a fixing portion 124 , a free portion 126 bent relative to the body portion 122 , and a power clamping portion 128 . The fixing portion 124 of the conductive elastic piece 120 and the power supply clamping portion 128 are respectively located at two sides of the body 122, and the free portion 126 is bendably coupled to the body portion 122 and above the body portion 122, wherein the free portion 126 has a common area 1261. The conductive elastic piece 120 is fixed to the pin base 110 through the fixing portion 124. The partition plate 114 of the pin base 110 can effectively electrically isolate the conductive elastic piece 120. In this embodiment, as shown in FIG. 3, each fixing portion 124 has a through hole 125, and the conductive elastic piece 120 is locked to the pin base through the through hole 125 of the fixing portion 124 through a locking member 129 (such as a screw or a bolt). The upper surface T of 110.

In order to comply with the safety regulations, the second side S2 of each receiving slot 112 of the embodiment (ie, the side not covered by the partition 114) is at least a first horizontal straight line distance L1 from the adjacent power source clamping portion 128. It is 5.3 mm, and a second horizontal straight line distance L2 of the power supply nip 128 to the second side S2 of the peripheral surface O (i.e., the side not covered by the partition 114) is at least 6.5 mm. The above-mentioned plug structure 100 of the present embodiment maintains a safety specification distance in the horizontal direction to avoid an electric shock accident when the user grasps. In addition, a first vertical height T1 of the first side S1 of the accommodating groove 112 (ie, a side covered by the partition 114) is greater than a second side S2 of the accommodating groove 112 (ie, not by the partition 114) A second vertical height T2 of the covered side), wherein the second vertical height T2 is at least 1.7 mm.

Referring to FIG. 2A to FIG. 4, the pin set 130 of the present embodiment is alternatively assembled to the pin base 110 and further includes a cover plate 132, wherein the cover plate 132 has at least one engaging groove 132a. Here, the number of at least one engagement groove 132a is two. The cover plate 132 covers the pin base 110 and the conductive elastic piece 120 and has a plurality of openings 1321 , wherein the pins 134 respectively pass through the opening 1321 to contact the common area 1261 of the corresponding conductive elastic piece 120 . The engaging groove 132a of the cover plate 132 is symmetrically formed on the bottom surface of the cover plate 132 facing the pin base 110, wherein the engaging groove 132a is adapted to be engaged with the partition plate 114 to assemble the pin set 130 on the pin base 110 .

More specifically, the pin set 130 of the present embodiment can conform to the plug specifications of one of the United States, the United Kingdom, the European Union, Australia, Japan, China, South Korea, India, Brazil, Argentina, and the Republic of Namibia. In other words, the pin groups 130 of the different plug specifications can be used for the conductive elastic piece 120 of the present embodiment. That is, the pins 134 of the pin group 130 can directly contact the common area 1261 of the conductive elastic piece 120 to share the same conductive elastic piece 120. In this way, the production cost of the plug structure 100 can be effectively reduced.

In the assembly, please refer to FIG. 2A, FIG. 3 and FIG. 4, the conductive elastic piece 120 may be first disposed on the upper surface T of the pin base 110 and the conductive elastic piece 120 is respectively located in the symmetric region R. At this time, the conductive elastic piece 120 is located on both sides of the partition plate 114 along the through-axis C, wherein the partition plate 114 can electrically isolate the conductive elastic piece 120. Next, the pins 134 of the pin set 130 are passed through the opening 1321 of the cover plate 132 to be in contact with the common area 1261 of the corresponding conductive elastic piece 120. At this time, the engaging groove 132a of the cover 132 is engaged with the partition 114 to assemble the pin set 130 to the pin base 110, and the assembly of the plug structure 100 is completed. At this time, the overall thickness of the plug structure 100 is preferably not more than 7.5 mm.

Referring to FIG. 1 and FIG. 2A , the power supply 200 of the embodiment includes a plurality of power pins 210 , wherein the plug structure 100 is assembled on the power supply 200 in a rotating manner so that the power pins 210 respectively contact the conductive shrapnels. 120 and turn on the power. In detail, as shown in FIG. 2A , the power supply 200 includes an upper housing 220 , a lower housing 230 , and a second limiting member 240 . The upper housing 220 is assembled to the lower housing 230, and the upper housing 220 has an assembly area 222, a circular assembly chute 224, and a plurality of positioning slots 226. The positioning grooves 226 are disposed on the circular assembly chute 224 and communicate with each other. The power pin 210 is assembled on the upper casing 220 and located in the assembly area 222 with the second limiting member 240. Here, the second limiting member 240 is, for example, a bump, but is not limited thereto. In addition, the power supply 200 further includes a release pressing portion 250 disposed on the upper casing 220.

The process of assembly and disassembly of the plug structure 100 and the power supply 200 will be further described below. 5A-5B are schematic top perspective views showing the assembly process of the plug structure and the power supply of FIG. 1.

Referring to FIG. 2A and FIG. 5A , the assembling process of the power supply device of the present embodiment is as follows: First, the protruding portion 116 of the pin base 110 of the assembled plug structure 100 is correspondingly assembled to the upper casing of the power supply 200 . The positioning groove 226 of the body 220. At this time, the power pins 210 of the power supply 200 are respectively located in the receiving slots 112 of the pin base 110.

Next, referring to FIG. 2A, FIG. 5A and FIG. 5B, the plug structure 100 is rotated counterclockwise with respect to the power supply 200 by the rotation angle A (ie, no more than 60±10 degrees), wherein the protrusion 116 of the plug structure 100 is The position of the corresponding positioning slot 226 slides into the circular assembly slot 224 (ie, the displacement of the plug structure 100 in the Z direction is restricted), so that one of the first limiting members 118 of the socket base 110 and the power supply 200 The second limiting members 240 interfere with each other (restricting the displacement of the plug structure 100 in the X direction and the Y direction). At this time, the power pin 210 of the power supply 200 is a power clamping portion 128 that directly contacts the conductive elastic piece 120. The power clamping portion 128 clamps the power pin 210, and the plug structure 100 and the power supply 200 are mutually connected. Turn on. So far, the plug structure 100 has been assembled to the power supply 200, and the assembly of the power supply device 10 is completed.

It should be noted that, in this embodiment, the first limiting member 118 of the socket base 110 is exemplified by a notch, and the second limiting member 240 of the power supply 200 is illustrated by a bump. . However, in other embodiments not shown, the first limiting member of the socket base may also be convex, and the second limiting member of the power supply may also be a notch, which can be protected by the present invention. The scope.

Finally, please refer to FIG. 1 , FIG. 2A , FIG. 5A and FIG. 5B . When the plug structure 100 is to be replaced or repaired, the second limiting member 240 is released by pressing the release pressing portion 250 on the power supply 200 . A limit member 118 is clamped to each other (the displacement of the plug structure 100 in the X direction and the Y direction is released). The plug structure 100 is rotated clockwise by a rotation angle A relative to the power supply 200, so that the protruding portion 116 of the plug structure 100 slides from the circular assembly chute 224 into the corresponding positioning slot 226 (the restriction plug structure 100 is released). The displacement of the Z direction) allows the plug structure 100 to be detached from the power supply 200.

In summary, in the design of the plug structure of the present invention, the conductive elastic piece has a common area, and the pin set is replaceably assembled on the pin base, and the pins of the pin set are respectively disposed corresponding to the conductive elastic piece and electrically coupled to conduct electricity. The shared area of the shrapnel. In this way, the pin groups of different specifications can share the conductive elastic piece, which can effectively reduce the production cost. In addition, the plug structure of the present invention is assembled in a power supply by means of rotation, wherein the safety specification distance of the plug structure is designed in the horizontal direction, and the plug structure can be provided with a thinning feature, so that the power supply device of the present invention can have Better aesthetic appearance.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and any one of ordinary skill in the art can make some changes and refinements without departing from the spirit and scope of the present invention. The scope of the invention is defined by the scope of the appended claims.

10‧‧‧Power supply unit

100‧‧‧ plug structure

110‧‧‧Foot base

112‧‧‧ accommodating slots

114‧‧‧Baffle

1141‧‧‧Block

116‧‧‧Protruding

118‧‧‧First limiter

120‧‧‧Electrical shrapnel

122‧‧‧ Body Department

124‧‧‧Fixed Department

125‧‧‧Perforation

126‧‧Free Department

1261‧‧‧Shared area

128‧‧‧Power clamp

129‧‧‧Locker

130‧‧‧Foot set

132‧‧‧ cover

132a‧‧‧ snap groove

1321‧‧‧Opening

134‧‧‧ pins

200‧‧‧Power supply

210‧‧‧Power pin

220‧‧‧Upper casing

222‧‧‧ Assembly area

224‧‧‧Circular assembly chute

226‧‧‧ positioning slot

230‧‧‧ Lower case

240‧‧‧second limiter

250‧‧‧ release press

R‧‧ symmetrical area

T‧‧‧ upper surface

O‧‧‧ surrounding surface

L1‧‧‧first horizontal straight line distance

L2‧‧‧Second horizontal straight line distance

A‧‧‧Rotation angle

C‧‧‧through shaft

T1‧‧‧first vertical height

T2‧‧‧second vertical height

S1‧‧‧ first side

S2‧‧‧ second side

FIG. 1 is a perspective view of a power supply device according to an embodiment of the invention. 2A is a perspective exploded view of the power supply device of FIG. 1. FIG. 2B is an enlarged schematic view of the conductive elastic piece of FIG. 2A. 3 is a perspective view of the plug structure of FIG. 1. 4 is a side cross-sectional view of the plug structure of FIG. 1. 5A-5B are schematic top perspective views showing the assembly process of the plug structure and the power supply of FIG. 1.

Claims (20)

A plug structure comprising: a pin base; a plurality of conductive elastic pieces assembled on the pin base separately from each other, wherein each of the conductive elastic pieces has a common area; and a pin set, which is replaceably assembled to the pin base The socket includes a plurality of pins, wherein the pins are respectively disposed corresponding to the conductive elastic pieces and directly electrically connected to the common area. The plug structure of claim 1, wherein the pin base has an upper surface, a surrounding surface surrounding the upper surface, two accommodating grooves, and a partition, and one end of the accommodating grooves is connected to the plug a peripheral surface, and the accommodating groove is disposed on a through shaft of the pin base, and the partition plate is disposed on the upper surface and protrudes from one side of each of the accommodating grooves and a part of the surrounding surface And the partition divides the upper surface into a plurality of symmetrical regions. The plug structure of claim 2, wherein the pin base has a rotation angle, and the partition has a plurality of blocking portions from the through shaft to the blocking portions of the partition. The plug structure of claim 2, wherein the pin set includes a cover plate having at least one engaging groove, the at least one engaging groove being engaged with the partition to make the pin set Assembled on the pin base. The plug structure of claim 4, wherein the cover covers the pin base and the conductive elastic pieces and has a plurality of openings, the pins respectively passing through the openings and the conductive elastic pieces Contact. The plug structure of claim 2, wherein the conductive elastic pieces are symmetrically disposed on the pin base, each of the conductive elastic pieces includes a power clamping portion, and one side of each of the receiving grooves is adjacent to The first horizontal straight line distance of the power supply clamping portion is at least 5.3 mm, and a second horizontal straight line distance from the power supply clamping portion to an edge of the pin base is at least 6.5 mm. The plug structure of claim 1, wherein each of the conductive elastic sheets further comprises a body portion, a fixing portion and a free portion bent relative to the body portion, the free portion is located above the body portion and The common area is provided, and each of the conductive elastic pieces is fixed to the pin base through the fixing portion. The plug structure of claim 2, wherein a first vertical height of a first side of each of the receiving slots is greater than a second vertical height of a second side of each of the receiving slots, And the second vertical height is at least 1.7 mm. The plug structure of claim 1, wherein the pin set conforms to a plug specification of one of the United States, the United Kingdom, the European Union, Australia, Japan, China, South Korea, India, Brazil, Argentina, and the Republic of Namibia. A power supply device comprising: a plug structure comprising: a pin base; a plurality of conductive elastic pieces assembled on the pin base separately from each other, wherein Each of the conductive elastic sheets has a common area; and a pin set is replaceably assembled on the pin base and includes a plurality of pins, wherein the pins are respectively disposed corresponding to the conductive elastic pieces and directly electrically connected to the conductive elastic pieces. And the power supply unit includes a plurality of power pins, wherein the plug structure is detachably assembled on the power supply in a rotating manner, so that the power pins respectively contact the conductive elastic pieces Turn on the power. The power supply device of claim 10, wherein the pin base has an upper surface, a surrounding surface surrounding the upper surface, two receiving slots, and a partition, and one end of the receiving slots is connected to the power supply device a peripheral surface, and the accommodating groove is disposed on a through shaft of the pin base, and the partition plate is disposed on the upper surface and protrudes from one side of each of the accommodating grooves and a part of the surrounding surface And the partition divides the upper surface into a plurality of symmetrical regions. The power supply device of claim 11, wherein the pin base has a rotation angle, and the partition has a plurality of blocking portions from the through shaft to the blocking portions of the partition. The power supply device of claim 11, wherein the pin set includes a cover plate having at least one engaging groove, the at least one engaging groove being engaged with the partition to make the pin set Assembled on the pin base. The power supply device of claim 13, wherein the cover covers the pin base and the conductive elastic pieces and has a plurality of openings, the pins respectively passing through the openings and the conductive elastic pieces Contact. The power supply device of claim 11, wherein the conductive elastic pieces are symmetrically disposed on the pin base, each of the conductive elastic pieces includes a power supply clamping portion, and one side of each of the receiving grooves is adjacent to The first horizontal straight line distance of the power supply clamping portion is at least 5.3 mm, and a second horizontal straight line distance from the power supply clamping portion to an edge of the pin base is at least 6.5 mm. The power supply device of claim 10, wherein each of the conductive elastic pieces further comprises a body portion, a fixing portion and a free portion bent relative to the body portion, the free portion is located above the body portion and The common area is provided, and each of the conductive elastic pieces is fixed to the pin base through the fixing portion. The power supply device of claim 11, wherein a first vertical height of a first side of each of the receiving slots is greater than a second vertical height of a second side of each of the receiving slots, And the second vertical height is at least 1.7 mm. The power supply device of claim 10, wherein the pin set conforms to a plug specification of one of the United States, the United Kingdom, the European Union, Australia, Japan, China, South Korea, India, Brazil, Argentina, and the Republic of Namibia. The power supply device of claim 10, wherein the pin base comprises two protrusions and two first limiting members, and the power supply comprises an upper casing, a lower casing and a second a limiting member, the upper casing is assembled on the lower casing and has an assembly area, a circular assembly chute and a plurality of positioning slots, wherein the positioning slots are disposed on the circular assembly chute, the power sources The pin is assembled on the upper casing and the second limiting member is located in the assembly area, and the protrusions of the pin base slide into the circular assembly chute from the positions corresponding to the positioning slots respectively Inside and rotate an angle The one of the first limiting member and the second limiting member are mutually interfered to be electrically connected to each other, and the plug structure is electrically connected to the power supply. The power supply device of claim 19, wherein the power supply further includes a release pressing portion disposed on the upper casing, and the plug structure is self-contained by pressing the release pressing portion Remove it.