TWM628990U - Magnetic connector - Google Patents

Abstract

The present invention provides a magnetic connector, which comprises: an insulating shell, which has a bottom surface and a butting surface opposite to each other, and the abutting surface is provided with at least one opening; a magnetic element, which is fixed in the insulating shell and Adjacent to the mating surface; at least one conductive terminal combination, the conductive terminal combination includes a contact end post and an elastic terminal connected under the contact end post; the elastic terminal includes an elastic portion that is bent and extended, connected to the elastic portion A fixing portion below and fixed in the insulating housing and a tail portion extending downward from the fixing portion to the bottom surface of the insulating housing, wherein the top surface of the elastic portion is provided with a fixing hole; A hemispherical contact part at the top and a fixing column at the bottom, the contact part protrudes upwards from the opening of the butting surface of the insulating shell, and the fixing column is inserted and fixed in the fixing hole of the elastic part. The magnetic connector of the new type is easy to manufacture and has high reliability.

Description

Magnetic connector

The utility model relates to the technical field of electrical connectors, in particular to a magnetic connector with simple manufacture and high reliability.

Chinese invention patent CN107799984B discloses an electrical connection device, the electrical connection device includes: an electrical connector, including: an insulating seat; a terminal group, fixed on the insulating seat and including a center terminal and an outer terminal separated from each other a terminal, the outer terminal has a circular contact portion whose center is located on the central terminal; a magnetic attraction piece fixed on the insulating base; and a mating connector detachably connected to the electrical connector, and the mating connector includes: an insulator; a mating terminal group mounted on the insulator and including a first terminal and at least a second terminal separated from each other, the central terminal detachably abutting on the The first terminal, the annular contact portion of the outer terminal can be detachably abutted against at least one of the second terminals; The paired magnetic elements are detachably positioned to attract each other, and form a circular magnetic attraction area with the center of the center located on the central terminal; wherein the electrical connector and the paired connector can use the central terminal are the central axis, and rotate relative to each other within a range of 360 degrees, and the magnetic attraction piece and the mating magnetic attraction piece are attracted and positioned to each other, so that the terminal group and the mating terminal group are kept in contact with each other ; The radius of the annular magnetic attraction area is greater than the radius of the annular contact portion, and the insulator is formed with a first groove whose center is located in the first terminal, a second annular groove and A circular third groove, one end of the first terminal is located in the first groove, one end of at least one of the second terminals is located in the second groove, and the matching magnetic element The part is located at the bottom of the third slot; the central terminal, the outer terminal and the magnetic attraction are respectively inserted into the first slot, the second slot and the third slot; the The insulator has two positioning portions corresponding to the third slot, the paired magnetic element includes two C-shaped magnetic bodies, and the two ends of each C-shaped magnetic body are in contact with the two The positioning portion, and the two positioning portions and the two C-shaped magnetic bodies together constitute the groove bottom of the third groove.

The terminal group in this traditional design uses multiple Pogo Pins. The cost of Pogo Pins is high and it is inconvenient to manufacture. In a vibration environment, the contact end of the Pogo Pin and the main body of the Pogo Pin will slide up and down. The contact end needs to keep in contact with the main body of the Pogo Pin to maintain the electrical continuity of the Pogo Pin, so this design is prone to the risk of transient interruption during the vibration process, and the reliability is poor.

The technical problem to be solved by the present invention is to overcome the above-mentioned shortcomings of the prior art, and to propose a magnetic connector that is easy to manufacture and has high reliability.

The technical scheme adopted by the present invention is as follows: a magnetic connector, comprising: an insulating shell, which has a bottom surface and an abutting surface opposite up and down, and the abutting surface is provided with at least one opening; a magnetic element, which is fixed on the Inside the insulating housing and adjacent to the mating surface; at least one conductive terminal assembly, the conductive terminal assembly includes a contact end post and an elastic terminal connected under the contact end post; the elastic terminal includes a bent and extended elastic portion , a fixed part connected below the elastic part and fixed in the insulating shell and a tail part extending downward from the fixed part to the bottom surface of the insulating shell, wherein the top surface of the elastic part is provided with a fixing hole; The contact end post has a hemispherical contact portion at the top and a fixing post at the bottom. The contact portion protrudes upward from the opening of the butting surface of the insulating shell, and the fixing post is inserted and fixed on the elastic portion in the fixing hole.

In some embodiments, the elastic terminal is formed by integrally bending a sheet metal plate; the elastic portion is in an S-shaped bending shape, which can elastically expand and contract in the up-down direction.

In some embodiments, the fixing portion extends vertically along an up-down direction, and at least one protruding thorn protrudes outward from each of two sides of the fixing portion, and the protruding thorn is fastened on the insulating housing, wherein the fixing hole is aligned vertically above the fixed part.

In some embodiments, the elastic portion includes a first horizontally extending piece, a second horizontally extending piece and a third horizontally extending piece which are arranged at intervals in the up-down direction, and are connected between the first horizontally extending piece and the first horizontally extending piece A first U-shaped connecting piece between the two horizontally extending pieces and a second U-shaped connecting piece connected between the second horizontally extending piece and the third horizontally extending piece.

In some embodiments, the contact end post is a solid cylindrical structure; a stop base protrudes outward from the middle of the contact end post, and the stop base can abut against the top surface of the elastic portion .

In some embodiments, the bottom surface of the insulating housing is provided with a lower receiving groove; the magnetic connector further includes a fixing substrate installed in the lower receiving groove, and the tail of the elastic terminal passes through the fixing substrate.

In some embodiments, the fixing substrate is provided with a plurality of pairs of protrusions protruding upward, and the two protrusions of each pair are arranged on both sides of the fixing portion of an elastic terminal; the bottom surface of the insulating housing is provided with There are a plurality of installation grooves extending in the up-down direction, and each pair of protrusions is respectively clamped to one installation groove of the insulating housing.

In some embodiments, the outer contour of the abutting surface is circular; the number of the at least one conductive terminal combination is multiple and distributed on the same straight line along the diameter of the abutting surface.

In some embodiments, a positioning post protrudes upward from the center of the abutting surface of the insulating housing, and a hole is formed in the center of the positioning post; a metal protective sleeve is provided on the outer periphery of the positioning post.

In some embodiments, the magnetic element includes two arc-shaped magnets, and the two magnets are symmetrically located on both sides of the straight line distributed by the at least one conductive terminal combination.

Compared with the prior art, the present invention has at least the following advantages: the magnetic connector of the present invention can form a 360-degree rotating butt with another butt connector. Wherein, the mating surface of the magnetic connector faces the mating connector, and the magnetic element adjacent to the mating surface can be magnetically combined with the mating connector. Under the action of the magnetic attraction force, the elastic terminals of each conductive terminal combination will elastically deform downward, so as to provide upward force to the contact terminal post of the conductive terminal combination, so that the contact portion of the contact terminal post is connected to the butt joint. The device forms a reliable electrical connection. Wherein, the conductive terminal assembly in the magnetic connector is composed of a contact end post with a hemispherical contact portion and an elastic terminal, which is easy to manufacture and has a low cost; and there is no slippage between the contact end post and the elastic terminal. If the moving connection is turned on, its electrical connection reliability is higher, and it is more conducive to adapt to the transmission under high current and vibration environment. In addition, the hemispherical contact portion 311 is particularly suitable for the use environment of 360-degree rotating docking, which provides convenience for the user.

While the present invention may readily be embodied in different forms, only some of the specific embodiments thereof are shown in the drawings and will be described in detail in this specification, while it is to be understood that this specification is to be regarded as the are illustrative of the principles of the novel, and are not intended to limit the invention to those described herein.

Thus, a feature indicated in this specification will be used to describe one of the features of an embodiment of the invention without implying that every embodiment of the invention must have the described feature. Furthermore, it should be noted that this specification describes a number of features. Although certain features may be combined together to illustrate possible system designs, these features may also be used in other combinations not explicitly stated. Thus, unless otherwise stated, the combinations described are not intended to be limiting.

In the embodiments shown in the drawings, directional indications (such as up, down, left, right, front and rear) are used to explain the structure and movement of the various elements of the present invention are not absolute but relative. These descriptions are appropriate when the elements are in the positions shown in the drawings. If the description of the positions of these elements changes, the indications of these directions change accordingly.

The preferred embodiments of the present invention will be further elaborated below in conjunction with the accompanying drawings of the present specification.

Referring to FIGS. 1 to 5 , the preferred embodiment provides a magnetic connector 100 that can be mated with a matching pair of mating connectors (not shown in the figure), and can realize 360-degree rotating mating.

The magnetic connector 100 mainly includes an insulating housing 1 , at least one magnetic element 2 fixed in the insulating housing 1 , four conductive terminal assemblies 3 pierced and fixed on the insulating housing 1 , and mounted on the insulating housing 1 . A fixed substrate 4 in the insulating casing 1 , a sealant 5 coated on the lower surface of the fixed substrate 4 , and a sealing ring 6 sleeved on the outer periphery of the insulating casing 1 .

As shown in FIG. 5 and FIG. 6 , the insulating housing 1 is integrally injection-molded by plastic material, and includes a base portion 11 and a docking portion 12 located above the base portion 11 . Both the butt portion 12 and the base portion 11 are cylindrical, and the diameter of the butt portion 12 is larger than the diameter of the base portion 11 .

The outer peripheral ring of the base 11 is provided with a ring groove 111 for installing the sealing ring 6 , and the bottom surface 112 of the insulating housing 1 is provided with a lower receiving groove 113 for accommodating the fixed substrate 4 and the sealant 5 . The bottom surface 112 of the insulating case 1 is provided with four mounting grooves 114 extending in the up-down direction. The bottom surface 112 of the insulating housing 1 is also provided with a plurality of mounting posts 115 protruding downward.

2 , 3 and 5 , the top surface of the abutting portion 12 forms an abutting surface 121 , and the outer contour of the abutting surface 121 is circular. The abutting surface 121 is provided with four openings 122 at intervals along its diameter direction. The four openings 122 are distributed on the same straight line L passing through the center of the abutment surface 121 . Each opening 122 is correspondingly communicated with a mounting slot 114 for correspondingly mounting one conductive terminal combination 3 , so it can also be said that four conductive terminal combinations 3 are distributed on the straight line L. It can be understood that, in other embodiments not shown, the number of the openings 122 can also be set according to actual conditions, such as two, three or more.

A positioning post 13 is further protruded upward from the center of the abutting surface 121 of the insulating housing 1 , and an opening 122 is opened in the center of the positioning post 13 . A metal protective sleeve 7 is sleeved on the outer periphery of the positioning post 13 , and the lower end of the metal protective sleeve 7 is embedded in the insulating housing 1 . The metal protective sleeve 7 is preferably integrally injection molded with the insulating housing 1 . The strength of the positioning post 13 can be increased by the metal protective sleeve 7, so that the wear of the positioning post 13 can be reduced when the two connectors are butted, and the two connectors can be accurately aligned.

The abutting surface 121 is further provided with two accommodating grooves 123 , the two accommodating grooves 123 are respectively located on two sides of the straight line L, and the two accommodating grooves 123 are symmetrically arranged with respect to the straight line L. Each accommodating groove 123 is substantially arc-shaped, and the inner wall of the accommodating groove 123 is preferably provided with a plurality of ribs 124 .

Referring to FIGS. 2 , 4 and 5 , the magnetic element 2 includes two arc-shaped magnets 21 . The two magnets 21 are respectively installed in the receiving grooves 123 of the insulating housing 1 correspondingly. In this preferred embodiment, the magnet 21 can be abutted with the rib 124 in the receiving groove 123 to be fixed in the receiving groove 123 . In other not-shown embodiments, the magnet 21 may also be fixed in the insulating housing 1 by, for example, bonding or other structural fit.

Since the two magnets 21 are symmetrically arranged on both sides of the straight line L where the opening 122 is located, the space of the insulating housing 1 can be fully utilized, which is conducive to miniaturization and is conducive to the force bearing of the four conductive terminal assemblies 3 . evenly.

Referring to FIG. 3 and FIG. 5 , in this preferred embodiment, the number of the conductive terminal assemblies 3 is four, which correspond to the four openings 122 and the mounting slot 114 communicating with the openings 122 respectively. In some unshown embodiments, some of the conductive terminal combinations 3 can be replaced by Pogo Pins according to actual conditions, for example, the conductive terminal combinations 3 corresponding to the openings 122 of the positioning posts 13 can be replaced by Pogo Pins .

It should be noted that the number of the conductive terminal combinations 3 can be set according to the functional requirements of the magnetic connector 100 . For example, the four conductive terminal combinations 3 in this embodiment can be used to transmit current and realize the charging function.

Referring to FIG. 7 and FIG. 8 , the conductive terminal assembly 3 includes a contact terminal 31 and an elastic terminal 32 connected below the contact terminal 31 . A fixing hole 3211 is defined on the top surface of the elastic terminal 32 , and the lower end of the contact post 31 is fixed in the fixing hole 3211 .

The contact terminal 31 is a solid cylindrical structure as a whole, which is convenient for the transmission of large current. The contact end post 31 can be manufactured by a CNC (Computerized Numerical Control, computer numerical control machining) process.

The contact end post 31 includes a hemispherical contact portion 311 at the top, a fixing post 312 at the bottom, and a main body portion 313 connected between the contact portion 311 and the fixing post 312 . The main body portion 313 is cylindrical, and preferably a stop base 314 protrudes outward from the position where the main body portion 313 and the fixing post 312 are connected. The hemispherical shape of the contact portion 311 is particularly suitable for the use environment of this 360-degree rotating docking.

The fixing post 312 is inserted into the fixing hole 3211 of the elastic terminal 32 , and can be fixedly connected to the fixing hole 3211 by laser welding or clamping. The blocking base 314 abuts above the top surface of the elastic terminal 32 to provide positioning.

Still referring to FIG. 7 and FIG. 8 , the elastic terminal 32 is preferably formed by integrally bending a sheet metal plate, which is more suitable for the transmission of large current and high frequency signals.

The elastic terminal 32 includes an elastic portion 321 bent and extended, a fixing portion 322 connected below the elastic portion 321 , and a tail portion 323 extending downward from the fixing portion 322 . Wherein, the fixing portion 322 and the tail portion 323 are both in the form of an upright sheet, extending vertically along the up-down direction, and they are on the same plane. Preferably, at least one protruding thorn 3221 protrudes outward from both sides of the fixing portion 322 .

The elastic portion 321 has elasticity and can elastically expand and contract in the up-down direction. In this preferred embodiment, as shown in FIG. 8 , the elastic portion 321 is in an S-shaped curved shape, which is formed by bending a sheet-like plate back and forth. The elastic portion 321 includes a first horizontally extending piece 3212 , a second horizontally extending piece 3214 and a third horizontally extending piece 3216 which are arranged at intervals in the up-down direction, and are connected between the first horizontally extending piece 3212 and the second horizontally extending piece 3214 A first U-shaped connecting piece 3213 and a second U-shaped connecting piece 3215 connected between the second horizontally extending piece 3214 and the third horizontally extending piece 3216. When receiving a force in the up-down direction, the interval between the three horizontally extending pieces 3212 , 3214 , and 3216 changes so that the elastic portion 321 expands and contracts up and down. The length of the second horizontally extending sheet 3214 in the middle is greater than the lengths of the first horizontally extending sheet 3212 and the third horizontally extending sheet 3216, the first horizontally extending sheet 3212 at the top has the fixing hole 3211, and the third horizontally extending sheet 3212 at the bottom has the fixing hole 3211. The end of the horizontally extending piece 3216 is connected to the fixing portion 322 , wherein the central position of the fixing hole 3211 is preferably aligned vertically above the fixing portion 322 . It can be understood that the number of horizontally extending pieces included in the elastic portion 321 or the number of times of bending thereof can be flexibly designed according to actual conditions.

Based on the structure of the conductive terminal assembly 3 shown in FIGS. 7 and 8 , and referring to FIGS. 3 and 4 , when the conductive terminal assembly 3 is fixed in the insulating housing 1 , the main body portion 313 of the contact terminal 31 passes through Provided in the opening 122 of the insulating housing 1, the contact portion 311 protrudes upwards out of the opening 122, that is, the contacting portion 311 protrudes upwards from the butting surface 121 of the insulating housing 1, for Mates with another mating connector. The blocking base 314 is located in the mounting groove 114 of the insulating housing 1 , and the upper end of the blocking base 314 can elastically press against the opening 122 , thereby preventing the contact end post 31 from coming out of the opening 122 upward. The fixing portion 322 of the elastic terminal 32 is fixed in the mounting groove 114 of the insulating housing 1 . Wherein, the protruding thorn 3221 is fastened to the inner wall of the installation groove 114, which can make the combination of the fixing portion 322 and the installation groove 114 more tightly, thereby improving the firmness. The elastic portion 321 is retractably received in the mounting slot 114 . The tail portion 323 protrudes downward from the bottom surface 112 of the insulating housing 1 , and the tail portion 323 can be used to connect with a circuit board (not shown in the figure) below.

Continuing to refer to FIG. 3 , the fixed substrate 4 is installed in the lower receiving groove 113 of the insulating housing 1 , and the fixed substrate 4 is provided with four through holes 41 arranged in a straight line for the tail portion 323 of the elastic terminal 32 corresponding to pass through. The tail portions 323 of the respective elastic terminals 32 pass through the corresponding via holes 41 respectively, thereby fixing the relative positions of the four conductive terminal assemblies 3 .

Referring to FIGS. 4 and 5 , the fixing substrate 4 is provided with four pairs of bumps 42 protruding upward, and the positions of the four pairs of bumps 42 correspond to the four conductive terminal assemblies 3 respectively. The two bumps 42 of each pair are arranged on both sides of the fixing portion 322 of one elastic terminal 32 . The four pairs of protrusions 42 are respectively correspondingly protruded into the four mounting grooves 114 of the insulating housing 1 , so that the conductive terminal assembly 3 can be fastened to the insulating housing 1 .

The fixed base plate 4 is further provided with a plurality of mounting holes 43 penetrating up and down, and the mounting holes 43 are matched with the mounting posts 115 in the lower receiving groove 113 . The mounting post 115 passes through the mounting hole 43 , and the lower end of the mounting post 115 can be blocked on the lower surface of the fixed base plate 4 by hot-melt pressing, thereby fixing the fixed base plate 4 in the lower receiving groove 113 .

Continue to refer to FIG. 3 and FIG. 4 , the sealant 5 is coated under the fixed substrate 4 , and the sealant 5 blocks the lower receiving groove 113 , thereby preventing external water droplets from passing through the insulating housing 1 and passing down to the A circuit board (not shown in the figure) located under the insulating housing 1 . The sealing ring 6 is installed in the annular groove 111 of the insulating housing 1 , so as to prevent external water droplets from passing through the insulating housing 1 from top to bottom. The waterproof sealing performance of the magnetic connector 100 is achieved by the sealant 5 and the sealing ring 6 , preventing external water droplets from being transmitted from the top of the magnetic connector 100 to the circuit board below.

The assembly process of the magnetic connector 100 in this preferred embodiment is roughly as follows: the insulating housing 1 with the metal protective cover 7 is fabricated by using a plug-in molding process, and the respective conductive terminal assemblies 3 are removed from the insulating housing 1 . The bottom is installed into the insulating housing 1, and then the fixed substrate 4 is installed into the lower receiving groove 113 of the insulating housing 1, and then glue is applied to form the sealant 5, and the sealing ring 6 is sleeved on the insulating housing 1. At the outer periphery of the insulating case 1 , the two magnets 21 are finally installed into the receiving grooves 123 of the insulating case 1 respectively.

When the magnetic connector 100 is mated with another mating connector, the mating surface 121 faces the mating connector, and is magnetically combined with the mating connector through the magnetic element 2 adjacent to the mating surface 121 . Under the action of the magnetic attraction force, the elastic portion 321 of the elastic terminal 32 of each conductive terminal combination 3 will be elastically deformed downward, so as to provide an upward force to the contact end post 31 of the conductive terminal combination 3, so that the contact end The contact portion 311 of the post 31 forms a reliable electrical connection with the butt connector. Wherein, the conductive terminal assembly 3 of the magnetic connector 100 is formed by combining the contact post 31 with the hemispherical contact portion 311 and the elastic terminal 32 , which is easy to manufacture and has a low cost. It is a stable connection that does not slide up and down, and its electrical connection is more reliable, which is more conducive to adapting to transmission under high current and vibration environments. In addition, the hemispherical contact portion 311 is particularly suitable for the use environment of 360-degree rotating docking, which provides convenience for the user.

The above-mentioned contents are only preferred embodiments of the present invention, and are not intended to limit the embodiments of the present invention. Those of ordinary skill in the art can easily carry out corresponding changes or modifications according to the main concept and spirit of the present invention. The scope of protection shall be subject to the scope of protection requested by the scope of the patent application.

1: Insulating shell 11: Base 111: Ring groove 112: Bottom surface 113: Lower receiving slot 114: Mounting slot 115: Mounting post 12: Butt joint 121: Butt face 122: Opening 123: Containment Slot 124: Ribs 13: Positioning post 2: Magnetic components 21: Magnets 3: Conductive terminal combination 31: Contact end post 311: Contact Department 312: Fixed column 313: Main body 314: Stop abutment 32: Elastic terminal 321: Elastic part 3211: Fixing hole 3212: The first horizontal extension piece 3213: The first U-shaped connecting piece 3214: Second horizontal extension 3215: Second U-shaped connecting piece 3216: Third horizontal extension 322: Fixed part 3221: Spur 323: tail 4: Fixed substrate 41: Via 42: bump 43: Mounting holes 5: Sealant 6: sealing ring 7: Metal protective sleeve

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, wherein: FIG. 1 is a perspective view of a magnetic connector according to a preferred embodiment of the present invention. FIG. 2 is a front view of FIG. 1 . FIG. 3 is a cross-sectional view taken along line A-A in FIG. 2 . FIG. 4 is a B-B cross-sectional view in FIG. 2 . FIG. 5 is an exploded perspective view of FIG. 1 . FIG. 6 is a structural diagram of the insulating case shown in FIG. 5 from another viewing direction. FIG. 7 is a structural diagram of the conductive terminal assembly in FIG. 5 . FIG. 8 is an exploded view of FIG. 7 .

1: Insulating shell

114: Mounting slot

121: Butt face

122: Opening

21: Magnets

3: Conductive terminal combination

311: Contact Department

312: Fixed column

321: Elastic part

322: Fixed part

4: Fixed substrate

42: bump

5: Sealant

6: sealing ring

Claims (10)

A magnetic connector, comprising: an insulating shell, which has a bottom surface and an abutting surface opposite up and down, and the abutting surface is provided with at least one opening; a magnetic element, which is fixed in the insulating shell and adjacent to the a mating surface; and at least one conductive terminal combination, the conductive terminal combination includes a contact end post and an elastic terminal connected under the contact end post; the elastic terminal includes an elastic portion that is bent and extended, and a A fixing part below and fixed in the insulating housing and a tail extending downward from the fixing part to the bottom surface of the insulating housing, wherein the top surface of the elastic part is provided with a fixing hole; the contact end post has a top A hemispherical contact portion and a fixing column located at the bottom, the contact portion protrudes upwards from the opening of the butting surface of the insulating shell, and the fixing column is inserted and fixed in the fixing hole of the elastic portion. The magnetic connector according to claim 1, wherein the elastic terminal is formed by integrally bending a sheet metal plate; the elastic portion is in an S-shaped curved shape, which can elastically expand and contract in the up-down direction. The magnetic connector as claimed in claim 2, wherein the fixing portion extends vertically along the up-down direction, and at least one protruding thorn protrudes outward from both sides of the fixing portion, and the protruding thorn is fastened to the insulating housing , wherein the center of the fixing hole is aligned vertically above the fixing portion. The magnetic connector of claim 2, wherein the elastic portion comprises a first horizontally extending piece, a second horizontally extending piece and a third horizontally extending piece which are arranged at intervals in the up-down direction, and are connected to the first horizontally extending piece between the horizontally extending sheet and the second horizontally extending sheet A first U-shaped connecting piece and a second U-shaped connecting piece connected between the second horizontally extending piece and the third horizontally extending piece. The magnetic connector according to claim 1, wherein the contact end post is a solid cylindrical structure; a stop base protrudes outward from the middle of the contact end post, and the stop base can abut against the the top surface of the elastic portion. The magnetic connector according to any one of claims 1 to 5, wherein a lower receiving groove is provided on the bottom surface of the insulating housing; the magnetic connector further comprises a fixed substrate installed in the lower receiving groove, The tail of the elastic terminal passes through the fixing substrate. The magnetic connector according to claim 6, wherein the fixed substrate is provided with a plurality of pairs of bumps protruding upward, and the two bumps of each pair are arranged on both sides of the fixing portion of an elastic terminal; the The bottom surface of the insulating casing is provided with a plurality of installation grooves extending in the up-down direction, and each pair of protrusions is respectively clamped to one of the installation grooves of the insulating casing. The magnetic connector according to any one of claims 1 to 5, wherein the outer contour of the abutting surface is circular; the number of the at least one conductive terminal combination is multiple and distributed along the diameter of the abutting surface at on the same straight line. The magnetic connector according to claim 8, wherein a positioning post protrudes upward from the center of the abutting surface of the insulating housing, and a hole is formed in the center of the positioning post; There is a metal protective cover. The magnetic connector of claim 8, wherein the magnetic element comprises two arc-shaped magnets, and the two magnets are symmetrically located on both sides of the straight line distributed by the at least one conductive terminal combination.

Images