CN219321724U

CN219321724U - Magnetic connector

Info

Publication number: CN219321724U
Application number: CN202223550797.1U
Authority: CN
Inventors: 刘真强
Original assignee: Shenzhen Taili Electronics Co ltd
Current assignee: Shenzhen Taili Electronics Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-07-07
Anticipated expiration: 2032-12-29

Abstract

The utility model provides a magnetic connector, which comprises: the magnetic suction male head and the magnetic suction female head are in magnetic suction connection with the magnetic suction male head; the magnetic attraction male head comprises a PCB board, wherein a contact part is arranged on the PCB board, a first contact ring surrounds the contact part, and a second contact ring surrounds the first contact ring; the magnetic suction female head comprises an insulating base, a first electric connecting needle, a second electric connecting needle and a third electric connecting needle which are connected to the insulating base, a disc connecting part is arranged on the insulating base, and the second electric connecting needle is eccentrically arranged on the disc connecting part; when the magnetic attraction male head is connected with the magnetic attraction female head, the second electric connecting needle, the first electric connecting needle and the third electric connecting needle are respectively in contact with the contact part, the first contact ring and the second contact ring in an electric shock connection mode. The three elastic ejector pins on the magnetic suction female head are eccentrically arranged, so that compared with the existing magnetic suction connector which can only be distributed in the radial direction, the size of the magnetic suction connector is greatly reduced, and the miniaturization and the integrated design of the connector are facilitated.

Description

Magnetic connector

Technical Field

The utility model relates to the technical field of connectors, in particular to a small-size magnetic connector.

Background

The connector is a device for realizing quick and reliable electric connection, and the existing connector is provided with a plug-in type connector, a magnetic attraction type connector, a clamping type connector and the like. The magnetic type automatic quick alignment connection can be realized, and manual alignment and plugging actions are not needed, so that the magnetic type automatic quick alignment connection device is widely applied in various fields. However, the existing magnetic connector generally realizes signal communication through contact between the ejector pin of the male head and the contact point of the female head, and the male head and the female head do not need to be aligned in a directional manner, that is, the two can still keep an electric connection state after rotating randomly, so that the ejector pins are generally arranged along the radial direction, but the size is limited by the fact that the size of the magnetic connector cannot be made smaller.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a magnetic connector so as to solve the technical problem that the size of the existing magnetic connector cannot be designed in a miniaturized manner.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the embodiment of the utility model provides a magnetic connector, which comprises: the magnetic attraction male head and the magnetic attraction female head are connected with the magnetic attraction male head in a magnetic attraction way; the magnetic male head comprises a PCB (printed circuit board), a contact part is arranged on the PCB, a first contact ring surrounds the contact part, and a second contact ring surrounds the first contact ring; the magnetic suction female head comprises an insulating base and a first electric connecting needle, a second electric connecting needle and a third electric connecting needle which are connected to the insulating base, wherein a disc connecting part is arranged on the insulating base, the first electric connecting needle, the second electric connecting needle and the third electric connecting needle are sequentially and linearly distributed in the radial direction of the disc connecting part, and the first electric connecting needle, the second electric connecting needle and the third electric connecting needle are eccentrically arranged on the disc connecting part; when the magnetic male head is connected with the magnetic female head, the second electric connecting needle, the first electric connecting needle and the third electric connecting needle are respectively in contact with the contact part, the first contact ring and the second contact ring in an electric shock connection mode.

The first electric connecting pins, the second electric connecting pins and the third electric connecting pins are arranged at equal intervals.

The first electric connecting needle, the second electric connecting needle and the third electric connecting needle are elastic ejector pins.

The PCB is provided with a cylindrical connector, and the disc connecting part is a circular groove corresponding to the cylindrical connector; or (b)

The PCB board is provided with a circular groove, and the disc connecting part is a cylindrical joint.

Wherein, the male head is inhaled to magnetism still includes: the PCB is provided with an annular step, and the male magnetic ring is sleeved on the annular step.

The magnetic attraction male head further comprises three signal wires, and the three signal wires are respectively and electrically connected with the contact part, the first contact ring and the second contact ring.

Wherein, the female head of magnetic attraction still includes: the female magnetic ring is fixedly connected to the insulating base and surrounds the first electric connecting needle, the second electric connecting needle and the third electric connecting needle.

Wherein, the insulating base includes: the chassis part, the disc connecting portion is protruding to be located chassis part, still be equipped with three on the insulating base and run through chassis part with the mounting hole of disc connecting portion, first electric connection needle, second electric connection needle and third electric connection needle respectively cartridge in the mounting hole.

The disc connecting part and the edge of the chassis part form an annular table, and the female magnetic ring is fixedly connected to the annular table.

According to the magnetic connector, the three elastic ejector pins on the magnetic female head are eccentrically arranged, and the corresponding magnetic male head is provided with the contact surface, so that at least three paths of signal communication is realized by taking the middle elastic ejector pin as the axis, and meanwhile, the three elastic ejector pins are distributed in the diameter direction, compared with the existing magnetic connector which can only be distributed in the radial direction, the size is greatly reduced, the miniaturization and the integrated design of the connector are facilitated, and the signal connection is kept in a good state.

The foregoing description is only an overview of the present utility model, and is intended to be more clearly understood as being carried out in accordance with the following description of the preferred embodiments, as well as other objects, features and advantages of the present utility model.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a magnetic connector according to an embodiment of the utility model.

Fig. 2 is a schematic view of another overall structure of a magnetic connector according to an embodiment of the present utility model.

Fig. 3 is a schematic view of a magnetic male part of a magnetic connector according to an embodiment of the present utility model.

Fig. 4 is an exploded view of a male portion of a magnetic connector according to an embodiment of the present utility model.

Fig. 5 is a schematic structural diagram of a PCB board portion of a magnetic connector according to an embodiment of the present utility model.

Fig. 6 and fig. 7 are schematic views of different angle structures of a magnetic female part of a magnetic connector according to an embodiment of the utility model.

Fig. 8 is an exploded view of a magnetic head portion of a magnetic connector according to an embodiment of the present utility model.

Fig. 9 is a schematic view of an insulation base portion of a magnetic connector according to an embodiment of the present utility model.

Fig. 10 is a schematic diagram of an eccentric arrangement of an electrical connection pin of a magnetic connector according to an embodiment of the present utility model.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and the detailed description, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships as described based on the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be attached, detached, or integrated, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms should not be understood as necessarily being directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Referring to fig. 1 to 10, the embodiment provides a magnetic connector 100, which includes: the magnetic attraction male head 10 and the magnetic attraction female head 20 which are magnetically connected with the magnetic attraction male head 10; the magnetic male head 10 comprises a PCB 13, a contact portion 131 is disposed on the PCB 13, a first contact ring 132 surrounding the contact portion 131, and a second contact ring 133 surrounding the first contact ring 132; the magnetic head 20 comprises an insulation base 21, and a first electric connection needle 22, a second electric connection needle 25 and a third electric connection needle 24 which are connected to the insulation base 21, wherein a disc connection part 212 is arranged on the insulation base 21, the first electric connection needle 22, the second electric connection needle 25 and the third electric connection needle 24 are sequentially and linearly distributed in the radial direction of the disc connection part 212, the second electric connection needle 25 is eccentrically arranged on the disc connection part 212, and the first electric connection needle 22 and the third electric connection needle 24 are also eccentrically arranged; when the male magnetic head 10 is connected to the female magnetic head 20, the second electrical connection pin 25, the first electrical connection pin 22 and the third electrical connection pin 24 are respectively connected to the contact portion 131, the first contact ring 132 and the second contact ring 133 in an electrical contact manner. Referring to fig. 10, the center of the second electrical connection pin 25 and the center of the disc connection portion 212 are slightly eccentric, wherein the center of the second electrical connection pin 25 is 251, and the axial center of the disc connection portion of the insulating base 21 is 210, as shown in fig. 10, the center 251 of the second electrical connection pin 25 and the center 210 of the disc connection portion 212 do not coincide (i.e. are eccentrically arranged), and correspondingly, the first electrical connection pin 22 and the third electrical connection pin 24 are disposed on two sides of the second electrical connection pin 25, and the three are linearly distributed in the diameter direction of the disc connection portion 212. The existing three-way or multi-way connector has one thimble arranged at the center of the disc connection part 212, and the other thimbles arranged at one side of the center thimble, so as to ensure that the male head and the female head are arbitrarily rotated to maintain an electric connection state. The same three-way conducting magnetic connector can reduce the size of the connector by nearly half according to the design scheme of the embodiment. While the required accessory costs are lower for similar or identical size magnetically attractable electrical connectors.

The contact portion 131 is a conductive circular contact surface, so that the second electrical connection pin 25 still maintains electrical connection with the contact portion 131 when rotated to any angle, and similarly, the first contact ring 132 and the second contact ring 133 are annular contact surfaces to maintain good contact states thereof. The PCB 13 includes: the disc base 1301 is arranged on the disc base 1301 in a protruding manner, the edge of the disc base 1301 and the edge of the disc base 1302 form an annular step, the male magnetic ring 12 is sleeved on the annular step, and the disc 1302 protrudes out of the end part of the male magnetic ring 12. The contact portion 131, the first contact ring 132 and the second contact ring 133 are all conductive films attached to the surface of the plug-in board 1302, and the three are coaxially arranged, corresponding three welding spots are arranged on the bottom surface of the disc 1301, the corresponding welding spots are communicated with the contact surface through wires, and the PCB 13 is an integrally formed PCB structure. Compared with the prior art that two independent PCBs are adopted and fixed into a whole through bonding, the structure of the embodiment simplifies the process and rapidly realizes the assembly of the male magnetic ring 12 and the PCB 13.

In this embodiment, the first electrical connection pins 22, the second electrical connection pins 25, and the third electrical connection pins 24 are disposed at equal intervals. It is understood that in other embodiments, the first electrical connection pins 22, the second electrical connection pins 25, and the third electrical connection pins 24 may be disposed at unequal intervals.

The first electrical connection pin 22, the second electrical connection pin 25 and the third electrical connection pin 24 are all elastic pins, so that they are in good dynamic contact with the PCB 13.

Wherein the PCB 13 has a cylindrical connector, and the disc connection portion 212 is a circular groove corresponding to the cylindrical connector; or the PCB 13 is a circular groove, and the disc connection portion 212 has a cylindrical joint. When the magnetic attraction male head 10 and the magnetic attraction female head 20 are in magnetic attraction connection, the cylindrical head is inserted into the circular groove, so that the magnetic attraction male head and the magnetic attraction female head are aligned quickly and accurately. That is, the cylindrical connector and the circular groove may be interchanged in position on the male magnetic head 10 and the female magnetic head 20.

Referring again to fig. 3 to 5, the magnetic male head 10 further includes: the male magnetic ring 12, the male magnetic ring 12 is fixedly connected to the PCB 13.

The male magnetic head 10 further includes three signal wires 11, and the three signal wires 11 are electrically connected to the contact portion 131, the first contact ring 132, and the second contact ring 133, specifically, they are electrically connected to the three welding spots, respectively.

Referring again to fig. 6 to 9, the magnetic head 20 further includes: the female magnetic ring 23, female magnetic ring 23 fixed connection is in on the insulating base 21, female magnetic ring 23 encircle first electric connection needle 22, second electric connection needle 25 and third electric connection needle 24 set up.

Specifically, the insulating base 21 includes: the chassis portion 211, the disc connection portion 212 is protruding on the chassis portion 211, the insulating base 21 is further provided with three mounting holes 213 penetrating through the chassis portion 211 and the disc connection portion 212, and the first electrical connection pin 22, the second electrical connection pin 25 and the third electrical connection pin 24 are respectively inserted into the mounting holes 213.

Wherein, the disc connection portion 212 and the edge of the chassis portion 211 form an annular table 214, and the female magnetic ring 23 is fixedly connected to the annular table 214. The male magnetic ring 12 and the female magnetic ring 23 have the same structure, so that the magnetic attraction surfaces of the two magnetic rings are attracted quickly. In the present embodiment, the insulating base 21 is formed as an integrally formed structure of the chassis portion 211 and the disk connection portion 212 protruding from the chassis portion 211, which simplifies the production process. In the prior art, the bottom insulating base shaped like the bottom plate portion 211 and the top insulating base shaped like the disk connection portion 212 are two independent insulating bases fixed by bonding. The magnetic attraction machine of the embodiment adopts the structural design of the integrally formed insulating base 21, so that the process is simplified, and the electrical connection is more reliable.

The height of the female magnetic ring 23 is larger than that of the disc connecting part 212, so that after the female magnetic ring 23 is assembled, a groove is formed in the female magnetic ring 23, the PCB 13 is matched with the groove for limiting, and the female magnetic ring and the PCB can be inserted and connected to rotate randomly.

It should be noted that in this embodiment, only three elastic pins are provided, and in other embodiments, the number of elastic pins may be increased as needed to realize multiple signal electrical connection.

According to the magnetic connector, the three elastic ejector pins on the magnetic female head are eccentrically arranged, and the corresponding magnetic male head is provided with the contact surface, so that at least three paths of signal communication is realized by taking the middle elastic ejector pin as the axis, and meanwhile, the three elastic ejector pins are distributed in the diameter direction, and compared with the existing magnetic connector which can only be distributed in the radial direction, the size is greatly reduced, and the miniaturized design of the connector is facilitated.

The foregoing examples are provided to further illustrate the technical contents of the present utility model for the convenience of the reader, but are not intended to limit the embodiments of the present utility model thereto, and any technical extension or re-creation according to the present utility model is protected by the present utility model. The protection scope of the utility model is subject to the claims.

Claims

1. A magnetic connector, comprising: the magnetic attraction male head and the magnetic attraction female head are connected with the magnetic attraction male head in a magnetic attraction way; the magnetic male head comprises a PCB (printed circuit board), a contact part is arranged on the PCB, a first contact ring surrounds the contact part, and a second contact ring surrounds the first contact ring; the magnetic suction female head comprises an insulating base and a first electric connecting needle, a second electric connecting needle and a third electric connecting needle which are connected to the insulating base, wherein a disc connecting part is arranged on the insulating base, the first electric connecting needle, the second electric connecting needle and the third electric connecting needle are sequentially and linearly distributed in the radial direction of the disc connecting part, and the first electric connecting needle, the second electric connecting needle and the third electric connecting needle are eccentrically arranged on the disc connecting part; when the magnetic male head is connected with the magnetic female head, the second electric connecting needle, the first electric connecting needle and the third electric connecting needle are respectively in contact with the contact part, the first contact ring and the second contact ring in an electric shock connection mode.

2. The connector of claim 1, wherein the first electrical connection pin, the second electrical connection pin, and the third electrical connection pin are disposed equidistant.

3. The connector of claim 1, wherein the first electrical connector pin, the second electrical connector pin, and the third electrical connector pin are all resilient pins.

4. The connector of claim 1, wherein the PCB board has a cylindrical joint, and the disc connection portion is a circular groove corresponding to the cylindrical joint; or (b)

5. The magnetically attractable connector of claim 1 wherein the magnetically attractable male head further comprises: the PCB is provided with an annular step, and the male magnetic ring is sleeved on the annular step.

6. The connector of claim 5, wherein the male magnetic head further comprises three signal wires electrically connected to the contact portion, the first contact ring, and the second contact ring, respectively.

7. The magnetically attractable connector of claim 5 wherein the magnetically attractable female head further comprises: the female magnetic ring is fixedly connected to the insulating base and surrounds the first electric connecting needle, the second electric connecting needle and the third electric connecting needle.

8. The magnetically attractable connector of claim 7 wherein the insulator base includes: the chassis part, the disc connecting portion is protruding to be located chassis part, still be equipped with three on the insulating base and run through chassis part with the mounting hole of disc connecting portion, first electric connection needle, second electric connection needle and third electric connection needle respectively cartridge in the mounting hole.

9. The connector of claim 8, wherein the disc connection portion and the rim of the chassis portion form an annular table, and the female magnetic ring is fixedly connected to the annular table.