CN218242352U - Multi-pin magnetic plug connector - Google Patents

Abstract

The utility model relates to a plug connector is inhaled to many pins magnetism, which comprises an outer shell, the insulating seat, a pair of magnet, a plurality of spring pins and circuit board, insulating seat package is moulded to fix in the shell, terminal surface exposes from the shell before the insulating seat, terminal surface sets up the recess before the insulating seat, the circuit board sets up the rear end face at the insulating seat, the pin of a plurality of spring pins is inserted and is established and fix on the circuit board, set up a plurality of fixed orificess in the insulating seat, a plurality of spring pins insert respectively and establish in corresponding fixed orifices and respective contact end exposes in the recess, the contact end of spring pin is not higher than the preceding terminal surface of insulating seat, a pair of magnet symmetry sets up in the recess both sides, the terminal surface of magnet is parallel and level with the preceding terminal surface of insulating seat; the insulating seat rear end face is equipped with round annular connecting portion toward the epirelief, has seted up a plurality of fixed slots on the connecting portion, and the insulating seat passes through connecting portion and fixed slot and shell rigid coupling. The utility model discloses an insulating seat passes through connecting portion, fixed slot and injection moulding's shell and forms the connection structure of mutual interlock, guarantees the stability of connector structure.

Description

Multi-pin magnetic plug connector

Technical Field

The utility model relates to a connector technical field, in particular to plug connector is inhaled to many pins magnetism.

Background

The magnetic connector is one of connectors widely used in electronic devices. The plug and the socket of the connector can be quickly positioned during plugging through the magnet, and the plugging is convenient. Wherein, the connector can be according to the corresponding PIN quantity of transmission demand design of reality, and when PIN quantity was more, the volume of whole connector will be great, and the shell through injection moulding on the connector just separates with the gluey core of inside easily, leads to the shell to drop, influences the use of connector.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides a plug connector is inhaled to many pins magnetism.

In order to achieve the above purpose, the utility model provides a technical scheme does: the multi-pin magnetic plug connector comprises a shell, an insulating base, a pair of magnets, a plurality of spring pins and a circuit board, wherein the insulating base is fixed in the shell in a plastic-coated mode, the front end face of the insulating base is exposed out of the shell, a groove is formed in the front end face of the insulating base, the circuit board is arranged on the rear end face of the insulating base, the pins of the spring pins are inserted into the groove and fixed on the circuit board, a plurality of fixing holes are formed in the insulating base, the spring pins are respectively inserted into the corresponding fixing holes, the contact ends of the spring pins are exposed out of the groove, the contact ends of the spring pins are not higher than the front end face of the insulating base, the magnets are symmetrically arranged on two sides of the groove, and the end faces of the magnets are flush with the front end face of the insulating base; the insulating seat rear end face is equipped with round annular connecting portion toward the epirelief, a plurality of fixed slots have been seted up on the connecting portion, the insulating seat passes through connecting portion and fixed slot and shell rigid coupling.

In the above technical scheme, the plurality of pogo pins include four first pogo pins and sixteen second pogo pins, the sixteen second pogo pins are distributed on the insulating base in a 2 × 8 matrix arrangement manner, the four first pogo pins are symmetrically arranged on two sides of the two rows of second pogo pins in pairs, a connecting line of the two first pogo pins in the same group is perpendicular to a connecting line of the eight second pogo pins in the same row, and the first pogo pins are not arranged on the two connecting lines of the two rows of second pogo pins.

In the above technical solution, the outer diameter of the first pogo pin is larger than that of the second pogo pin.

In the technical scheme, the fixing holes comprise a first fixing hole and a second fixing hole, the first spring needle and the second spring needle are respectively inserted into the first fixing hole and the second fixing hole, the aperture of the first fixing hole is larger than that of the second fixing hole, the hole wall of the first fixing hole is smooth, a limiting step is arranged at the position, close to the rear end face of the insulating base, of the second fixing hole, and a positioning step abutted against the limiting step is arranged on the outer wall of the needle tube of the second spring needle.

In the above technical solution, the fixing groove penetrates the connecting portion along a thickness direction of the insulating base.

In the above technical solution, the fixing groove extends to an edge of the connecting portion along a width direction of the insulating base and forms an opening.

In the above technical solution, the shape of the fixing groove is trapezoidal.

In the technical scheme, the insulating seat is provided with a shaped hole penetrating through the insulating seat along the thickness direction, the magnet is fixed in the shaped hole, an inner step is arranged at the position, close to the rear end face of the insulating seat, of the shaped hole, the magnet is provided with an outer step, and the outer step of the magnet inserted in the shaped hole is abutted against the inner step.

In the above technical solution, the magnet is a square magnet.

In the technical scheme, a fixing glue layer is arranged between the rear end face of the insulating base and the shell, the circuit board and the pins of the spring pins are wrapped in the fixing glue layer, a plurality of blind holes are formed in the rear end face of the insulating base inwards, and a part of the fixing glue layer is filled in the blind holes.

In the above technical solution, the front end surface of the insulating base is rectangular, the groove is rectangular, and the aspect ratio of the front end surface of the insulating base is greater than the aspect ratio of the groove.

In the above technical scheme, the front end face of the insulating base is not flush with the end face of the shell.

The utility model has the advantages of, the utility model has the advantages of reasonable structure, novel in design, the practicality is strong, and the connection structure of mutual interlock is formed with injection moulding's shell to the insulating seat through connecting portion, fixed slot, and both are difficult to the separation with the insulating seat, guarantee the stability of connector structure, can form the transmission path of a plurality of PIN through twenty spring PINs, satisfy the demand that many PIN transmitted.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is an exploded schematic view of a first embodiment of the present invention.

Fig. 3 is a schematic cross-sectional view of a first embodiment of the present invention.

Fig. 4 is a second schematic cross-sectional view illustrating a first embodiment of the present invention.

Fig. 5 is a schematic perspective view of an insulating base according to a first embodiment.

Fig. 6 is a schematic plan view of the insulating base according to the first embodiment.

Fig. 7 is a schematic plan view of the insulating base according to the second embodiment.

In the figure: 1. an insulating base; 11. a groove; 12. a first fixing hole; 13. a second fixing hole; 14. a hole is formed; 15. a connecting portion; 16. a fixing groove; 17. a limiting step; 18. blind holes; 19. an inner step; 2. a magnet; 21. an outer step; 31. a first pogo pin; 32. a second pogo pin; 4. a circuit board; 5. fixing the adhesive layer; 6. a housing.

Detailed Description

The embodiments of the present invention will be described with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described and illustrated with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Based on the embodiments provided by the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. Moreover, it should be appreciated that in the development of any such actual embodiment, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which will vary from one implementation to another.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is to be expressly and implicitly understood by one of ordinary skill in the art that the described embodiments of the present invention may be combined with other embodiments without conflict.

Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" and "an" and "the" and similar referents in the context of describing a particular embodiment do not denote a limitation of quantity, but rather denote the singular or plural. The present invention relates to the terms "comprises," "comprising," "includes," "including," "has," "having" and any variations thereof, which are intended to cover non-exclusive inclusions; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to only those steps or elements but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. The terms "connected," "coupled," and the like in the description may not be limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The utility model relates to a "a plurality of" means more than or equal to two. "and/or" describes the association relationship of the associated object, indicating that there may be three relationships, for example, "a and/or B" may indicate: a exists alone, A and B exist simultaneously, and B exists alone. The terms "first," "second," "third," and the like in the description of the invention are used merely to distinguish between similar objects and not necessarily to represent a particular ordering for the objects.

As shown in fig. 1, the magnetic plug connector with twenty pogo pins is shown in the figure, and the whole body is a cuboid, and the plug end face is rectangular, and is magnetically connected with the matched socket connector through two magnets 2.

In the first embodiment, the first step is,

as shown in fig. 1-6, the multi-pin magnetic plug connector includes a housing 6, an insulating base 1, a pair of magnets 2, a plurality of pogo pins, and a circuit board 4, wherein the insulating base 1 is fixed in the housing 6 in a plastic-coated manner, a front end surface of the insulating base 1 is exposed from the housing 6, a front end surface of the insulating base 1 is provided with a groove 11, the circuit board 4 is arranged at a rear end surface of the insulating base 1, pins of the pogo pins are inserted and fixed on the circuit board 4, a plurality of fixing holes are arranged in the insulating base 1, the pogo pins are respectively inserted in the corresponding fixing holes, respective contact ends of the pogo pins are exposed from the groove 11, the contact ends of the pogo pins are not higher than the front end surface of the insulating base 1, the contact ends of the pogo pins are protected by the front end surface of the insulating base 1, the contact ends of the pogo pins are prevented from being damaged, the pair of the magnets 2 are symmetrically arranged at two sides of the groove 11, and end surfaces of the magnets 2 are flush with the front end surface of the insulating base 1; the rear end face of the insulating base 1 is provided with a circle of annular connecting portion 15 in an outward protruding mode, the connecting portion 15 is provided with a plurality of fixing grooves 16, and the insulating base 1 is fixedly connected with the shell 6 through the connecting portion 15 and the fixing grooves 16. Connecting portion 15 compares 1 lateral wall of insulator raised, and the shell 6 package is moulded the back on insulator 1, can guarantee through connecting portion 15 that insulator 1 can not break away from shell 6 forward, guarantees that the connection between shell 6 and the insulator 1 is stable.

As shown in fig. 2, the plurality of pogo PINs include four first pogo PINs 31 and sixteen second pogo PINs 32, which can form a plurality of PIN transmission channels, the four first pogo PINs 31 and the sixteen second pogo PINs 32 are used as different transmission channels, so that the plug connector has more transmission channels, which can be compatible with more usage scenarios, such as for type-c and Lightning transfer, the sixteen second pogo PINs 32 are distributed on the insulating base 1 in a 2 × 8 matrix arrangement, the four first pogo PINs 31 are symmetrically arranged on both sides of the two rows of second pogo PINs 32 in groups of two by two, the connecting lines of the two first pogo PINs 31 in the same group are perpendicular to the connecting lines of the eight second pogo PINs 32 in the same row, the first pogo PINs 31 are not arranged on the two connecting lines of the two rows of second pogo PINs 32, the outer diameters of the first pogo PINs 31 are larger than the second pogo PINs 32, the contact conductive area on the socket matched with the first pogo PINs 31 will also be larger, the two first pogo PINs 31 in the same group will be spaced apart, the same group of two first pogo PINs 31 will be larger than the first row of the second pogo PINs 32, and the first group of the second pogo PINs 31 will not be larger than the second pogo PINs 32, and the first row of the same row, so that the PIN spacing of the first pogo PINs 31 will not be larger, and the first group of the same row of the second pogo PINs 32, and the same row of the second pogo PINs 31, and the PIN spacing of the PIN will not be larger than the PIN spacing of the first pogo PINs 31, and the PIN array, and the second pogo PINs 32, and the PIN spacing of the first PIN will not be larger.

As shown in fig. 5, the fixing holes include a first fixing hole 12 and a second fixing hole 13, a first spring pin 31 and a second spring pin 32 are respectively inserted into the first fixing hole 12 and the second fixing hole 13, the aperture of the first fixing hole 12 is larger than that of the second fixing hole 13, the hole wall of the first fixing hole 12 is smooth, a position-limiting step 17 is arranged on the rear end face of the second fixing hole 13 close to the insulating base 1, and a positioning step abutted against the inside of the position-limiting step 17 is arranged on the outer wall of the needle tube of the second spring pin 32. Make second spring needle 32 can not break away from insulating seat 1 forward through spacing step 17, the chimb of first spring needle 31 needle tubing outer wall can support and lean on the hole edge department in first fixed orifices 12 to make first spring needle 31 also can not break away from insulating seat 1 forward.

As shown in fig. 3, 5 and 6, the fixing groove 16 penetrates through the connecting portion 15 along the thickness direction of the insulating base 1, the fixing groove 16 extends to the edge of the connecting portion 15 along the width direction of the insulating base 1 and forms an opening, and the fixing groove 16 has a trapezoidal shape. When shell 6 was moulded plastics to insulator bay 1 on, it can get into in the fixed slot 16 and solidify to mould plastics gluey, makes a part shaping of shell 6 in fixed slot 16, makes between shell 6 and the insulator bay 1 form the connection structure of mutual interlock in fixed slot 16 department, and shell 6 is difficult to the separation with insulator bay 1 two, thereby guarantees that shell 6 can be very stable fix on insulator bay 1, guarantees the stability of connector structure, improves plug connector's life.

As shown in fig. 2 and 5, the insulating base 1 is provided with the type hole 14 that runs through insulating base 1 along the thickness direction, magnet 2 is fixed in type hole 14, the type hole 14 is provided with interior step 19 near insulating base 1 rear end face department, magnet 2 is provided with outer step 21, the outer step 21 of magnet 2 of cartridge in type hole 14 supports and leans on in interior step 19, block magnet 2 through interior step 19, avoid magnet 2 to break away from type hole 14 forward, magnet 2 is square magnet 2, because the preceding terminal surface of insulating base 1 is the rectangle, adopt the square cylindrical magnet 2 of comparing to obtain magnet 2 of great volume, thereby improve magnet 2's magnetic force, guarantee plug connector and socket connector magnetism to inhale the stability when butt joint.

When the two magnets 2 have the same magnetic poles, the plug connector and the socket connector have two butting positions which are separated by 180 degrees, and when the two magnets 2 have different magnetic poles, the plug connector and the socket connector only have one butting position.

As shown in fig. 4, a fixing adhesive layer 5 is arranged between the rear end face of the insulating base 1 and the housing 6, the fixing adhesive layer 5 is formed by epoxy resin solidification, the circuit board 4 and pins of the pogo pins are wrapped in the fixing adhesive layer 5, a plurality of blind holes 18 are inwards arranged on the rear end face of the insulating base 1, and a part of the fixing adhesive layer 5 is filled in the blind holes 18. Can be in the same place circuit board 4, the wire rod of being connected with circuit board 4, spring pin end, 1 rear end face of insulator seat are fixed through fixed glue film 5, avoid taking place to rock at use circuit board 4, spring pin, magnet 2, can reduce the gluey quantity in the time of injection moulding shell 6 simultaneously, reduce cost.

As shown in fig. 1, the front end face of the insulating base 1 is rectangular, the groove 11 is rectangular, the length-width ratio of the front end face of the insulating base 1 is greater than the length-width ratio of the groove 11, and the front end face of the insulating base 1 is not flush with the end face of the housing 6, so that the front end face of the insulating base 1 can be better exposed from the housing 6.

The assembling process includes the steps that the first spring needle 31 and the second spring needle 32 are inserted into the insulating base 1 from the rear end, the magnet 2 is inserted into the insulating base 1 from the rear end, then pins of the first spring needle 31 and the second spring needle 32 are inserted into welding holes of the circuit board 4 to be welded and fixed, then wires are welded on the circuit board 4 to form a semi-finished product, then the semi-finished product is placed in a jig, resin is poured into the jig to form a fixing glue layer 5, and then the outer shell 6 is poured outside the semi-finished product and the fixing glue layer 5 to form a connector finished product.

In the second embodiment, the first embodiment of the method,

as shown in fig. 7, a difference from the first embodiment is the structure of the fixing groove 16, the fixing groove 16 penetrates the connecting portion 15 along the thickness direction of the insulating base 1, the fixing groove 16 has a rectangular shape, and the fixing groove 16 does not extend to the edge of the connecting portion 15 along the width direction of the insulating base 1. When the shell 6 is injected to the insulating base 1, the injection molding glue can enter the fixing groove 16 and solidify, so that a part of the shell 6 is formed in the fixing groove 16, the shell 6 and the insulating base 1 are not easy to separate, and the shell 6 can be stably fixed on the insulating base 1.

Of course, the shape of the fixing groove 16 may be circular, oval, or the like.

The utility model discloses rational in infrastructure, novel in design, practicality are strong, and insulating seat 1 forms the connection structure of mutual interlock through connecting portion 15, fixed slot 16 and injection moulding's shell 6, and both are difficult to the separation with insulating seat 1 to shell 6, guarantee the stability of connector structure, can form the transmission path of a plurality of PINs through twenty spring PINs, satisfy the demand that many PINs transmitted.

The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications to the above embodiments are all within the scope of the present invention.

Claims (10)

1. The multi-pin magnetic plug connector is characterized by comprising a shell, an insulating base, a pair of magnets, a plurality of spring pins and a circuit board, wherein the insulating base is fixed in the shell in a plastic-coated mode, the front end face of the insulating base is exposed out of the shell, a groove is formed in the front end face of the insulating base, the circuit board is arranged on the rear end face of the insulating base, the pins of the spring pins are inserted and fixed on the circuit board, a plurality of fixing holes are formed in the insulating base, the spring pins are respectively inserted into the corresponding fixing holes, the contact ends of the spring pins are exposed out of the groove, the contact ends of the spring pins are not higher than the front end face of the insulating base, the magnets are symmetrically arranged on two sides of the groove, and the end faces of the magnets are flush with the front end face of the insulating base; the insulating seat rear end face is equipped with round annular connecting portion toward the epirelief, a plurality of fixed slots have been seted up on the connecting portion, the insulating seat passes through connecting portion and fixed slot and shell rigid coupling.

2. The multi-pin magnetic plug connector according to claim 1, wherein the plurality of pogo pins includes four first pogo pins and sixteen second pogo pins, the sixteen second pogo pins are distributed on the insulating base in a 2 x 8 matrix arrangement, the four first pogo pins are symmetrically arranged in groups of two pairs at both sides of two rows of second pogo pins, a connecting line of two first pogo pins in a same group is perpendicular to a connecting line of eight second pogo pins in a same row, and the first pogo pins are not arranged on two connecting lines of two rows of second pogo pins.

3. The multi-pin magnetic plug connector of claim 2, wherein the first pogo pin has a larger outer diameter than the second pogo pin.

4. The connector according to claim 3, wherein the fixing holes comprise a first fixing hole and a second fixing hole, the first spring pin and the second spring pin are respectively inserted into the first fixing hole and the second fixing hole, the diameter of the first fixing hole is larger than that of the second fixing hole, the hole wall of the first fixing hole is smooth, a limiting step is arranged on the second fixing hole close to the rear end face of the insulating base, and a positioning step abutted against the inside of the limiting step is arranged on the outer wall of the needle tube of the second spring pin.

5. The multi-pin magnetic plug connector according to claim 1, wherein the fixing slots penetrate the connecting portion in a thickness direction of the insulating base.

6. The multi-pin magnetic plug connector of claim 5, wherein the fixing groove extends along a width direction of the insulating base to an edge of the connecting portion and forms an opening.

7. The multi-pin magnetic plug connector of claim 6, wherein the shape of the retention slots is trapezoidal.

8. The connector of claim 1, wherein the insulator has a hole extending through the insulator in a thickness direction, the magnet is fixed in the hole, the hole has an inner step near a rear end of the insulator, the magnet has an outer step, and the outer step of the magnet inserted in the hole abuts against the inner step.

9. The multi-pin magnetic plug connector of claim 8, wherein the magnet is a square magnet.

10. The connector according to claim 1, wherein a fixing adhesive layer is disposed between the rear end surface of the insulating base and the housing, the circuit board and the pins of the pogo pins are wrapped in the fixing adhesive layer, the rear end surface of the insulating base is provided with a plurality of blind holes inward, and a portion of the fixing adhesive layer is filled in the blind holes.

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