TWI635672B - Electrical connection device and mating connector - Google Patents

Abstract

An electrical connection device includes a detachably connected electrical connector and a mating connector. The electrical connector includes an insulating seat and a center terminal, an outer terminal, and a magnetic member fixed to the insulating seat. The outer terminal has a ring contact portion centered on the center terminal. The mating connector includes an insulator and a first terminal, a second terminal, and a mating magnetic member fixed to the insulator. When the electrical connector and the mating connector rotate with the center terminal as the central axis and rotate relative to each other within a range of 360 degrees, the magnetic member and the paired magnetic member can be attracted to each other and form a center of the center terminal. The annular magnetic attraction region is such that the annular contact portions of the center terminal and the outer terminal are kept in contact with the first terminal and the second terminal, respectively. Thereby, an electrical connection device without directional restrictions is provided.

Description

Electrical connection device and mating connector

The present invention relates to a connector, and more particularly to an electrical connection device, an electrical connector, and a mating connector that have no non-orientation when rotated.

The existing electrical connecting devices can be divided into two types. The two connectors included in the first type of electrical connecting device can be inserted into each other only in a single direction, thus causing a great limitation to the user. The two connectors included in the second type of electrical connection have been improved for the above limitations. In particular, the two connectors of the second type of electrical connection device described above are of a dual-orientation that can be inserted into each other in both directions.

However, the two connectors of the existing electrical connection device still have to follow a specific direction (for example, one-way or two-way), so the user cannot perform the mutual insertion of the two connectors in any direction.

Accordingly, the inventors believe that the above-mentioned defects can be improved, and that the invention has been studied with great interest and with the use of scientific principles, and finally proposes a present invention which is rational in design and effective in improving the above-mentioned defects.

Embodiments of the present invention provide an electrical connection device, an electrical connector, and a mating connector, which can effectively improve the problems caused by the existing electrical connection device.

The embodiment of the invention discloses an electrical connection device, comprising: an electrical connector, comprising: an insulating seat; a terminal set fixed to the insulating seat and comprising separated from each other a center terminal and an outer terminal, the outer terminal having a ring contact portion centered on the center terminal; and a magnetic member fixed to the insulating seat; and a mating connector detachable Connected to the electrical connector, and the mating connector includes: an insulator; a mating terminal set mounted to the insulator and including a first terminal and at least a second terminal separated from each other, the center The terminal detachably abuts against the first terminal, the annular contact portion of the outer terminal detachably abuts against at least one of the second terminals; and a pair of magnetic members fixed to the insulator The magnetic member and the mating magnetic member are detachably attracted to each other, and form an annular magnetic attraction region whose center is located at the center terminal; wherein the electrical connector is coupled to the pair The device can rotate with the center terminal as a central axis while facing each other within a range of 360 degrees, and the magnetic pairing member and the mating magnetic member are attracted to each other to position the terminal group Paired terminal group Holding contact with each other.

The embodiment of the invention also discloses an electrical connector for detachably connecting a mating connector, the electrical connector comprising: an insulating seat; a terminal set fixed to the insulating seat and including a center separated from each other a terminal and an outer terminal, the outer terminal having a ring contact portion centered on the center terminal; and a magnetic member fixed to the insulating seat; wherein, when the electrical connector is The mating connector is centered on the central terminal, and when rotated relative to each other within a range of 360 degrees, the magnetic member can be attracted to and aligned with a pair of magnetic members of the mating connector. The center of the circle is located in an annular magnetic attraction area of the center terminal such that the terminal set and a mating terminal set of the mating connector are kept in contact with each other.

The embodiment of the invention further discloses a mating connector for detachably connecting an electrical connector, the mating connector comprising: an insulator, forming a first slot, a second slot of the annular shape, and a ring a third slot; a mating terminal set, fixed to the insulator and including a first terminal and at least one second terminal separated from each other, one end of the first terminal is located in the first slot, at least One of the second One end of the terminal is located in the second slot; and a pair of magnetic members are mounted on the insulator, and a portion of the mating magnetic member is located at a bottom of the slot of the third slot; The second slot and the center of the third slot are both located at the first terminal; wherein, when the mating connector and the electrical connector are centered on the first terminal, opposite to each other When rotating in a range of 360 degrees, the pair of magnetic members can be attracted to each other by a magnetic member of the electrical connector, and form a circular magnetic region in which the center is located at the first terminal. The pair of terminal sets and the terminal set of the electrical connector are kept in contact with each other.

In summary, the electrical connecting device, the electrical connector, and the mating connector disclosed in the embodiments of the present invention form an annular magnetic attraction region formed by a magnetic member and a pair of magnetic members, so that the electrical connector and the electrical connector When the mating connector is relatively rotated, the terminal group and the mating terminal group can maintain contact, thereby providing the user to insert each other in any direction (without directional restriction).

For a better understanding of the features and technical aspects of the present invention, reference should be made to the accompanying claims limit.

100‧‧‧Electrical connection device

1‧‧‧Electrical connector

11‧‧‧Insulation seat

111‧‧‧ front surface

112‧‧‧Back surface

113‧‧‧ round slot

12‧‧‧Terminal group

121‧‧‧Center terminal

1211‧‧‧ front end

1212‧‧‧ Groove

1213‧‧‧ Back end

1214‧‧‧ trench

122‧‧‧External terminals

1221‧‧‧ Ontology

1222‧‧‧ Pins

1223‧‧‧Circular contact

1224‧‧‧ trench

1225‧‧‧ring groove

13‧‧‧Magnetic parts

131‧‧‧Round structure

132‧‧‧Installation feet

133‧‧‧End

134‧‧‧ trench

2‧‧‧ Pairing connector

21‧‧‧Insulator

211‧‧‧ first slot

212‧‧‧second trough

213‧‧‧ third slot

214‧‧‧ Positioning Department

22‧‧‧ Paired terminal group

221‧‧‧First terminal

2211‧‧‧Contact end

222‧‧‧second terminal

2221‧‧‧Contact end

23‧‧‧ Paired magnetic parts

231‧‧‧C-shaped magnetic body

M‧‧‧ring magnetic area

1 is a perspective view of an electrical connecting device of the present invention.

2 is a perspective view of another perspective of FIG. 1.

Figure 3 is an exploded perspective view of Figure 1.

4 is an exploded perspective view of FIG. 2.

Figure 5 is an exploded perspective view of Figure 3.

Figure 6 is an exploded perspective view of Figure 4.

Figure 7 is a plan view of the electrical connector of the present invention.

Figure 8 is a plan view of the mating connector of the present invention.

Figure 9 is a cross-sectional view of Figure 7 taken along line IX-IX.

Figure 10 is a cross-sectional view of Figure 8 taken along line X-X.

Figure 11 is a cross-sectional view of Figure 1 taken along line XI-XI.

Fig. 12 is a partially enlarged schematic view of Fig. 11;

Figure 13 is a cross-sectional view taken along line XIII-XIII of Figure 1.

Please refer to FIG. 1 to FIG. 13 for an embodiment of the present invention. It should be noted that the related embodiments of the present invention are only used to specifically describe the embodiments of the present invention. It is to be understood that the scope of the invention is not intended to limit the scope of the invention.

As shown in FIG. 1 and FIG. 2, the present embodiment discloses an electrical connection device 100 including an electrical connector 1 and a mating connector 2 detachably connected to each other, and the electrical connector 1 and the mating connector 2 are relatively rotated. There is no non-orientation in order to provide users with the ability to plug in each other in any direction. The configuration of the electrical connector 1 and the mating connector 2 will be described below, but in actual application, the local configuration of the electrical connector 1 and the mating connector 2 can be reasonably changed or replaced with each other. Limited to the present embodiment.

As shown in FIGS. 3 and 4, the electrical connector 1 includes an insulating base 11, a terminal set 12 fixed to the insulating base 11, and a magnetic member 13 fixed to the insulating base 11. In the embodiment, the insulating seat 11 is coated on the terminal group 12 and the magnetic material 13 by injection molding, so that the terminal group 12 and the magnetic material 13 can be firmly coupled to the insulating seat 11, but The invention is not limited thereto. A front surface 111 of the insulating base 11 is recessed to form a circular groove 113 for providing the mating connector 2 to be inserted.

As shown in FIGS. 5-8, the terminal group 12 includes a center terminal 121 and an outer terminal 122 which are separated from each other. The center terminal 121 has an elongated shape, and one end portion (hereinafter referred to as a front end portion 1211) of the center terminal 121 is located in the circular groove 113, and a groove 1212 is formed at an end of the front end portion 1211 of the center terminal 121. And the center of the circular groove 113 of the insulating seat 11 is located at the front end portion 1211 of the center terminal 121, and The other end portion of the center terminal 121 (hereinafter referred to as the rear end portion 1213) is exposed from a rear surface 112 of the insulating seat 11. Further, a portion of the center terminal 121 embedded in the insulating seat 11 is recessed and formed with an annular groove 1214, so that the center terminal 121 can be more firmly coupled to the insulating seat. 11.

The outer terminal 122 includes a body 1221 in an annular shape and two insertion pins 1222 extending from the body 1221. The center of the body 1221 is located on the center terminal 121, and the body 1221 has a ring contact portion 1223 located in the circular groove 113 and centered on the center terminal 121, and is embedded in the insulating seat 11. A portion of the body 1221 has a groove 1224 formed in an annular shape on the outer surface thereof. Further, the annular contact portion 1223 and the two insertion pins 1222 are respectively located on opposite sides of the outer terminal 122, and at least a portion of each of the insertion pins 1222 is exposed outside the insulating seat 11. An annular groove 1225 is formed at an end of the annular contact portion 1223 of the outer terminal 122.

The magnetic member 13 includes an annular structure 131 whose center is located at the center terminal 121 and two mounting legs 132 extending from the annular structure 131. The annular structure 131 of the magnetic member 13 has an end portion 133 located in the circular groove 113 and centered on the center terminal 121, and is embedded in the annular structure 131 in the insulating seat 11. The outer surface is recessed to form a groove 134 having an annular shape. Further, the end portion 133 of the annular structure 131 and the two mounting legs 132 are respectively located on opposite sides of the magnetic member 13, and at least a portion of each of the mounting legs 132 is exposed outside the insulating seat 11 .

Furthermore, the end of the center terminal 121 (eg, the groove 1212) and the end of the outer terminal 122 (eg, the annular groove 1225) protrude from the magnetic member 13 (FIG. 9), that is, The distance between the end of the center terminal 121 and the bottom of the circular groove 113 is greater than the distance between the end of the magnetic member 13 and the bottom of the circular groove 113, and the distance between the end of the outer terminal 122 and the bottom of the circular groove 113 is also greater than the end of the magnetic member 13 and The distance from the bottom of the groove 113. The distance between the end of the center terminal 121 and the bottom of the groove 113 is substantially equal to the outer end. The distance between the end of the sub-122 and the bottom of the circular groove 113 is not limited thereto. The rear end portion 1213 of the center terminal 121, the two insertion pins 1222 of the outer terminal 122, and the two mounting legs 132 of the magnetic member 13 are arranged in a row, and the above arrangement direction is perpendicular to the center terminal 121.

In addition, the electrical connector 1 is preferably symmetrical to the center terminal 121, and the electrical connector 1 in this embodiment is a 2-fold symmetrical structure symmetric to its center terminal 121. But it is not limited to this.

As shown in FIGS. 3 and 4, the mating connector 2 includes an insulator 21, a mating terminal set 22 mounted to the insulator 21, and a mating magnetic member 23 mounted to the insulator 21. The mating terminal group 22 and the mating magnetic member 23 are disposed in the insulator 21 from the rear of the insulator 21, and then an insulating material (not shown) is coated on the insulator 21 by injection molding. The rear portion and the portion of the terminal group 12 and the portion of the pair of magnetic members 23 exposed from the rear of the insulator 21 are such that the mating terminal group 22 and the mating magnetic member 23 can be firmly coupled to the insulator 21, but the invention is not limited thereto. The insulator 21 is formed with a first groove 211, a second groove 212 having an annular shape, and a third groove 213 having an annular shape.

As shown in FIG. 5 to FIG. 8 , the mating terminal group 22 includes a first terminal 221 and at least a second terminal 222 that are separated from each other. The first terminal 221 and the second terminal 222 are each elongated, and the first terminal 221 and the second terminal 222 are each a pogo pin and have a movable contact in this embodiment. Ends 2211, 2221. That is, each of the contact end portions 2211, 2221 is movable relative to the above-described insulator 21. One end portion (contact end portion 2211) of the first terminal 221 is located in the first slot 211 of the insulator 21, and one end portion (contact end portion 2221) of the at least one second terminal 222 is located in the insulator 21 in the second slot 212. The centers of the first slot 211, the second slot 212, and the third slot 213 are located at the first terminal 221.

It should be noted that the number of the second terminals 222 in this embodiment is described by two. The first terminal 221 and the two second terminals 222 are arranged in a row, and the arrangement direction is substantially perpendicular to the first terminal 221, but the number of the second terminals 222 of the present invention is not limited thereto.

A portion of the mating magnetic member 23 is located at the bottom of the groove of the third groove 213. Wherein, at least one of the magnetic member 13 and the pair of magnetic members 23 is a magnet, and the other of them is a material that can be attracted to the magnet. In more detail, in the present embodiment, the magnetic member 13 is made of metal, and the paired magnetic member 23 is a magnet, but the invention is not limited thereto. Furthermore, the above-mentioned "the portion of the paired magnetic member 23 is located at the bottom of the groove of the third groove 213" means that the magnetic force of the paired magnetic member 23 acts outward from the third groove 213.

In more detail, the insulator 21 has two positioning portions 214 corresponding to the third grooves 213, and the mating magnetic members 23 include two C-shaped magnetic bodies 231. The two ends of each of the C-shaped magnetic bodies 231 abut against the two positioning portions 214, and the two positioning portions 214 and the two C-shaped magnetic bodies 231 together form the groove bottom of the third groove 213. . The groove bottom of the third groove 213 is preferably planar, and each positioning portion 214 is preferably not higher than any of the C-shaped magnetic bodies 231 (see FIG. 10). Furthermore, the (terminals) of the plurality of contact ends 2211, 2221 of the first terminal 221 and the second terminal 222 protrude from the mating magnetic member 23 (or the third slot 213) in this embodiment. The bottom of the groove).

In addition, the mating connector 2 is preferably symmetrical to the first terminal 221, and the mating connector 2 in this embodiment is a double rotationally symmetric configuration symmetric to its first terminal 221, but is not limited thereto. this.

The respective configurations of the electrical connector 1 and the mating connector 2 of the present embodiment are described above, and the mutual cooperation relationship between the electrical connector 1 and the mating connector 2 will be described later.

Please refer to Figure 11 to Figure 13, and please refer to Figure 9 and Figure 10 as appropriate. The insulator 21 of the mating connector 2 is detachably inserted into the insulating seat 11 of the electrical connector 1 The circular slot 113, in other words, the center terminal 121, the outer terminal 122, and the magnetic member 13 of the electrical connector 1 are respectively inserted into the first slot 211 and the second slot 212 of the mating connector 2, And a third slot 213. The central terminal 121 is detachably abutted against the first terminal 221 , and the annular contact portion 1223 of the outer terminal 122 is detachably abutted against the at least one of the second terminals 222 .

Further, the first terminal 221 and the plurality of contact ends 2211, 2221 of the at least one second terminal 222 are pressed against the annular contact portion 1223 of the center terminal 121 and the outer terminal 122, respectively. . The contact end portion 2211 of the first terminal 221 is pressed against the recess 1212 of the center terminal 121, and the contact end portion 2221 of the at least one second terminal 222 is pressed against the The annular groove 1225 of the outer terminal 122. The contact end portions 2211, 2221 are pressed to be movable relative to the insulator 21, thereby ensuring that the magnetic attraction member 13 and the mating magnetic member 23 are attracted to each other and the mating terminal group 22 is in contact with the terminal group 12.

The magnetic member 13 and the mating magnetic member 23 are detachably attracted to each other, and form an annular magnetic attraction region M centered on the central terminal 121 or/and the first terminal 221 (see FIG. 2). . The radius of the annular magnetic attraction region M in this embodiment is larger than the radius of the annular contact portion 1223. That is, the radius of the annular structure 131 in this embodiment is larger than the radius of the annular contact portion 1223, and the radius of the third groove 213 is larger than the radius of the second groove 212, but The invention is not limited thereto. For example, in an embodiment not shown, the radius of the annular magnetic attraction region M may also be smaller than the radius of the annular contact portion 1223. That is, the radius of the annular structure 131 is smaller than the radius of the annular contact portion 1223, and the radius of the third groove 213 is smaller than the radius of the second groove 212.

Furthermore, the annular magnetic attraction region M refers to a region where the magnetic attraction member 13 and the counter-magnetic member 23 are mutually adsorbed and positioned when they rotate relative to each other. Therefore, in order to form the above-described annular magnetic attraction region M, at least one of the magnetic member 13 and the pair of magnetic members 23 is annular, and the other one may be of any shape. In this embodiment, the magnetic member 13 has an annular structure 131 to facilitate the formation of the annular shape. The magnetic region M is, but is not limited to, this. For example, in an embodiment not shown, the pair of magnetic members 23 may also be designed in an annular shape to facilitate the formation of the annular magnetic attraction region M.

The electrical connector 1 and the mating connector 2 can rotate with the center terminal 121 or/and the first terminal 221 as a central axis while facing each other within a range of 360 degrees (that is, no directionality), and The annular magnetic attraction region M is formed by the magnetic attracting member 13 and the mating magnetic member 23 being attracted to each other such that the center terminal 121 and the outer terminal 122 of the terminal group 12 and the mating terminal group 22 are respectively The first terminal 221 and the second terminal 222 are kept in contact with each other.

In summary, the electrical connecting device 100 disclosed in the embodiment of the present invention, through the annular magnetic attraction region M formed by the magnetic member 13 and the paired magnetic member 23, enables the electrical connector 1 and the mating connector 2 In relative rotation, the terminal set 12 and the mating terminal set 22 can remain in contact, thereby providing the user with the ability to plug in each other in any direction (without directional restrictions).

Furthermore, the first terminal 221 and the second terminal 222 of the mating connector 2 each adopt a probe type terminal, so that the contact end portions 2211 and 2221 can be moved relative to the insulator 21 by being pressed, thereby securing the magnetic body. The suction member 13 and the mating magnetic member 23 are attracted to each other and the mating terminal group 22 is in contact with the terminal group 12.

In addition, the radius of the annular magnetic attraction region M of the embodiment is preferably larger than the radius of the annular contact portion 1223, so that the electrical connection device 100 of the embodiment has a large magnetic attraction force, thereby making the electrical connector The mutual magnetic fixation between the 1 and the mating connector 2 is more stable.

Moreover, the mating connector 2 of the present embodiment has the positioning portion 214 formed so that the insulator 21 is a single member, so that the mating terminal group 22 and the mating magnetic member 23 can be inserted and disposed in the insulator 21, and then the injection molding insulating material is passed through. In order to reduce the cost of manufacturing the mating connector 2.

The above description is only a preferred possible embodiment of the present invention, and is not intended to limit the present invention. The scope of protection of the invention, the equivalent changes and modifications made by the scope of the invention, should be within the scope of the claims of the invention.

Claims (8)

An electrical connecting device comprising: an electrical connector comprising: an insulating seat; a terminal set fixed to the insulating base and comprising a central terminal and an outer terminal separated from each other, the outer terminal having a ring contact a center of the ring contact portion is located on the center terminal; and a magnetic member fixed to the insulating seat; and a mating connector detachably connected to the electrical connector, and The mating connector includes: an insulator; a mating terminal set mounted on the insulator and including a first terminal and at least a second terminal separated from each other, the center terminal detachably abutting the first a terminal, the annular contact portion of the outer terminal detachably abuts against at least one of the second terminals; and a pair of magnetic members fixed to the insulator, the magnetic member and the paired magnetic The suction members are detachably positioned to each other and form an annular magnetic attraction region at which the center of the center is located; wherein the electrical connector and the mating connector are centered on the center terminal. and The rotation is relatively in a range of 360 degrees, and the magnetic pairing member and the mating magnetic member are attracted to each other to maintain contact between the terminal group and the paired terminal group; wherein The radius of the annular magnetic attraction area is larger than the radius of the annular contact portion; the insulator is formed with a first groove centered on the first terminal, a second groove of the annular shape, and a ring a third slot of the shape, and one end of the first terminal is located in the first slot, and one end of at least one of the second terminals is located in the second slot, the portion of the paired magnetic member a groove bottom located in the third groove; the center terminal, the outer terminal, and the magnetic member Inserting into the first groove, the second groove, and the third groove respectively; the insulator has two positioning portions corresponding to the third groove, and the paired magnetic member comprises two C a magnetic body, and two ends of each of the C-shaped magnetic bodies respectively abut the two positioning portions, and the two positioning portions and the two C-shaped magnetic bodies together constitute the The bottom of the groove of the third groove. The electrical connection device of claim 1, wherein the first terminal and the at least one of the second terminals are each a pogo pin and has a movable contact end; and The plurality of contact ends of the first terminal and the at least one of the second terminals are respectively pressed against the annular contact portion of the center terminal and the outer terminal. The electrical connection device of claim 2, wherein the end of the center terminal is formed with a recess, and the contact end of the first terminal is pressed against the recess; An annular groove is formed at an end of the annular contact portion of the terminal, and the contact end portion of at least one of the second terminals is pressed against the annular groove. The electrical connection device of claim 3, wherein an end of the center terminal and an end of the outer terminal protrude from the magnetic member, and the first terminal and at least one of the second terminals A plurality of the contact ends all protrude from the mating magnetic member. The electrical connection device of claim 1, wherein the electrical connector is a 2-fold symmetrical structure symmetrical to the center terminal, the mating connector being symmetrical to the first A double rotationally symmetric configuration of one terminal. The electrical connection device of claim 1, wherein the insulating seat is formed with a circular groove whose center is located at the center terminal, an end portion of the center terminal, the ring contact portion of the outer terminal, and One end portion of the magnetic member is located in the circular groove, and the insulator is detachably inserted into the circular groove; the magnetic member includes an annular structure in which a center is located at the center terminal. Can be paired with The magnetic members collectively form the annular magnetic attraction region. A mating connector for detachably connecting an electrical connector, the mating connector comprising: an insulator, a first slot, a second slot in the shape of a ring, and a third slot in the shape of a ring a pair of terminal groups fixed to the insulator and including a first terminal and at least one second terminal separated from each other, one end of the first terminal being located in the first slot, and at least one of the second terminals One end portion is located in the second slot; and a pair of magnetic members are mounted on the insulator, a portion of the mating magnetic member is located at a groove bottom of the third slot; the first slot, the first slot The second slot and the center of the third slot are both located at the first terminal; wherein, when the mating connector and the electrical connector are centered on the first terminal, they are opposite each other When rotating within a range of 360 degrees, the pair of magnetic members can be attracted to each other by a magnetic member of the electrical connector, and form a center of the annular magnetic region of the first terminal, Having the paired terminal set and a terminal of the electrical connector Keeping in contact with each other; wherein the insulator has two positioning portions corresponding to the third groove, the mating magnetic member includes two C-shaped magnetic bodies, and two of each of the C-shaped magnetic bodies The ends respectively abut against the two positioning portions, and the two positioning portions and the two C-shaped magnetic bodies together constitute a groove bottom of the third groove. The mating connector of claim 7, wherein the first terminal and the at least one of the second terminals are each a pogo pin and has a movable contact end; the pairing The connector is symmetrical to the first terminal, and a radius of the third slot is greater than a radius of the second slot.