CN209880876U - Line end magnetic connector and magnetic connector combination - Google Patents

Abstract

The utility model provides a connector is inhaled to line terminal magnetism and connector combination is inhaled to magnetism, include the line terminal body, be fixed in this internal plastic piece of line terminal, line terminal and cable, line terminal magnetism inhale the connector still have set up respectively in a pair of line terminal magnet at line terminal body both ends, the line terminal is stamping forming and is fixed in the plastic piece, the utility model discloses line terminal magnetism inhales the connector and can effectively improve grafting stability.

Description

Line end magnetic connector and magnetic connector combination

Technical Field

The utility model relates to a connector is inhaled to line end magnetism and connector combination is inhaled to magnetism.

Background

Traditional line end magnetism connector of inhaling, the terminal adopts the Pogo pin terminal usually, however the Pogo pin terminal structure is complicated, and manufacturing cost is higher, and in practical application, has the unstable problem of butt joint, easily causes the butt joint to become invalid and influence the use.

In view of the above, there is a need to improve the conventional magnetic connector assembly to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but connector combination is inhaled to line end magnetism that the structure is simplified, the butt joint is more stable and magnetism.

In order to realize the above-mentioned utility model purpose, the utility model provides a line end magnetism is inhaled connector, include the line terminal body, be fixed in this internal plastic block of line terminal, line terminal and cable, its characterized in that: the line end magnetic suction connector is also provided with a pair of line end magnets which are respectively arranged at two ends of the line end body, and the line end terminal is formed by punching and is fixed in the plastic block.

As a further improvement of the present invention, the line end terminal has a base, a self line end welding portion formed by extending the base backward, a self connecting portion formed by extending the base forward, a self first elastic arm formed by bending the connecting portion upward and a self second elastic arm formed by bending the first elastic arm rightward, the first elastic arm and the second elastic arm are connected to each other to form a U-shape, the line end terminal also has a self contact section formed by bending the second elastic arm forward and a protruding portion at the front end of the contact section.

As a further improvement of the present invention, the plastic block has an accommodating groove formed to accommodate the line end built-in magnet from the upper surface thereof to be recessed downward, and the magnetic pole of the line end built-in magnet is different from the magnetic pole of the line end magnet.

As a further improvement of the present invention, the terminal end terminal is embedded and formed in the plastic block, and the base is located below the receiving groove.

As the utility model discloses a further improvement, the line end terminal includes three line end power supply terminal and a pair of line end differential signal pair that the orientation was arranged in proper order about, and is three the line end power supply terminal is negative pole line end power supply terminal respectively and is located the positive line end power supply terminal of negative pole line end power supply terminal both sides.

As a further improvement of the present invention, the wire end body has a circular wire end protrusion, and the wire end power supply terminal is partially exposed to the front side of the wire end protrusion.

As a further improvement of the present invention, the line terminal magnet and the line terminal body integrated into one piece and partially exposed to the front surface of the line terminal body.

As a further improvement of the utility model, the line end body has and is located in order to accept between the line end magnet the chamber is accepted to the line end of plastic piece.

The utility model also provides a connector combination is inhaled to magnetism, inhale the connector including board end magnetism and as above the connector is inhaled to line terminal magnetism, the connector is inhaled to board end magnetism has the board end body, be equipped with a pair of board end magnet that is located its both ends on the board end body respectively, board end magnet with the magnetic pole of line terminal magnet is different.

As a further improvement of the utility model, the board end body is still including being located built-in magnet of board end between the board end magnet, works as board end magnetism inhale the connector with when the connector butt joint is inhaled to the line terminal magnetism, the built-in magnet of board end with the built-in magnet of line terminal inter attraction, board end magnet certainly the rear side equipment of board end body extremely the board end is originally internal, the built-in magnet of board end with the magnetic pole of the built-in magnet of line terminal is different, board end magnet with the magnetic pole of the built-in magnet of board end is different, line terminal magnet with the magnetic pole of the built-in magnet of line terminal is different.

The utility model has the advantages that: the utility model discloses a terminal that line terminal magnetism was inhaled the line terminal of connector and is changed into stamping forming has simplified process flow, has reduced manufacturing cost, and punching press terminal technology is ripe, has improved butt joint stability.

Drawings

Fig. 1 is a perspective view of the magnetic connector assembly of line terminal and the magnetic connector assembly of butt joint.

Fig. 2 is an exploded perspective view of a board end magnetic connector.

Fig. 3 is another exploded perspective view of the board end magnetic connector of fig. 2.

Fig. 4 is a perspective view of the board end terminal.

Fig. 5 is a perspective view of the power and signal terminals of fig. 4.

Fig. 6 is a perspective view of the line end magnetic connector.

Fig. 7 is an exploded perspective view of the wire end magnetic connector.

Fig. 8 is another exploded perspective view of the wire end magnetic connector.

Fig. 9 is another exploded perspective view of the wire end magnetic connector of fig. 7.

Fig. 10 is a perspective view of the line end terminal.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiment, and the structural, method, or functional changes made by those skilled in the art according to the embodiment are all included in the scope of the present invention.

Please refer to fig. 1 to 10, which illustrate the magnetic connector assembly for line terminal and the butt magnetic connector assembly of the present invention, firstly, the X axis is defined as the front-back direction, the Y axis is the left-right direction (also called the horizontal direction), the Z axis is the up-down direction, and the magnetic connector assembly for line terminal 100 and the magnetic connector for line terminal 100 'are included, the magnetic connector for line terminal 100 is welded to the circuit board, the circuit board is generally a PCB board, and the magnetic connector for line terminal 100' is connected to the cable.

Referring to fig. 1, the board-end magnetic connector 100 includes a board-end body 1, a board-end terminal 2, a board-end magnet 3, a board-end built-in magnet 4, and a waterproof ring 5. The board end body 1 is respectively provided with the board end magnet 3 located at two ends of the board end body and the board end terminal 2 located between the board end magnet 3 in the left-right direction in a symmetrical mode, the board end magnet 3, the board end terminal 2 and the board end body 1 three are integrally formed through insert-molding technology, the board end magnet 3 and the board end terminal 2 are exposed in the front surface of the board end body 1 in a protruding mode, and the distance between the board end magnet 3 and the front surface of the board end body 1 is slightly larger than that between the board end terminal 2 and the front surface of the board end body 1 in a protruding mode.

Referring to fig. 2 and 3, the board end body 1 further has three board end receiving cavities 11 integrally formed between the board end magnets 3, wherein two board end receiving cavities 11 are symmetrically disposed at two sides of the middle board end receiving cavity 11 and smaller than the middle board end receiving cavity 11, the board end built-in magnets 4 are received in the middle board end receiving cavity 11, wherein the two board end magnets 3 have the same magnetic poles, the board end built-in magnets 4 have different magnetic poles from the board end magnets 3, a groove 12 is formed at the upper and lower surfaces and the left and right surfaces of the board end body 1 to receive the waterproof ring 5, two positioning posts are further disposed at the lower surface of the board end body 1 to position the circuit board for facilitating welding of the board end terminals 2 to the circuit board, and four board end protrusions 13 are further disposed in an array on the front surface of the board end body 1, one corner of each plate end protrusion 13 is provided with an arc edge.

Referring to fig. 4 and 5, the board end terminal 2 is formed by stamping, the board end terminal 2 includes a pair of board end differential signal pairs 21, a pair of board end power terminals 22, and another pair of board end differential signal pairs 21, which are sequentially arranged in the left-right direction, and the two pairs of board end differential signal pairs 21 are symmetrically arranged with respect to the board end power terminals 22. The board end terminal 2 includes a first arm portion 23 extending horizontally, a contact portion 24 bent downward from the first arm portion 23, and a second arm portion 25 bent back from the contact portion 24, the contact portion 24 and the first and second arm portions 23 and 25 are all disposed at an included angle of 90 °, so that the first arm portion 23 and the second arm portion 25 are disposed in parallel, a board end welding portion 26 bent from the second arm portion 25 is further disposed behind the second arm portion 25, a welding manner between the board end welding portion 26 and the circuit board is surface welding, that is, SMT, and the board end terminal 2 is substantially shaped like a letter "Contraband" in the left-right direction.

Wherein, the two pairs of the board-end differential signal pairs 21 have the same structure, and the board-end power terminals 22 are slightly different from the board-end differential signal pairs 21, except that, the plate-end power supply terminal 22 includes a positive plate-end power supply terminal 221 and a negative plate-end power supply terminal 222, the contact portion 24 of the positive electrode terminal power terminal 221 is in the shape of a symmetrical arc clip arm, and the contact portion 24 of the plate-end differential signal pair 21 has an arc-shaped flat plate shape, the positive plate-end power terminal 221 has two of the second arm portions 25, and the first arm portion 23 of the positive electrode side power terminal 221 has a larger volume than the first arm portion 23 of the plate side differential signal pair 21, the contact portion 24 of the negative electrode side power terminal 222 is semicircular and located between the contact portions 24 of the positive electrode side power terminals 221, and the negative electrode side power terminal 222 does not have the first arm portion 23.

Referring to fig. 6 to 10, the line terminal magnetic connector 100 'includes a line terminal body 1', a line terminal 2 ', a line terminal magnet 3', a line terminal built-in magnet 4 ', a plastic block 5', a metal housing 6, a built-in circuit board 7, an insulator 8, and a cable.

The terminal body 1 'is symmetrically provided with terminal magnets 3' at two ends and a terminal 2 'between the terminal magnets 3' in the left and right directions, the terminal magnets 3 'and the terminal body 1' are integrally formed through insert-molding technology, the terminal magnets 3 'and the terminal 2' are both exposed on the surface of the terminal body 1 ', and the distance between the terminal magnets 3' and the surface of the terminal body 1 'protruding from the terminal 2' is slightly smaller.

The terminal end terminal 2 ' and the plastic block 5 ' are integrally formed through insert-molding technology, the terminal end terminal 2 ' is formed under the plastic block 5 ', the plastic block 5 ' is positioned above the terminal end terminal 2 ' and is further concavely provided with an accommodating groove 51 ' for accommodating the terminal end built-in magnet 4 ', the terminal end built-in magnet 4 ' is slightly lower than the upper surface of the plastic block 5 ', the terminal end body 1 ' is further provided with a terminal end accommodating cavity 11 ' integrally formed between the terminal end magnets 3 ', and the terminal end terminal 2 ', the terminal end built-in magnet 4 ' and the plastic block 5 ' jointly form a whole assembled into the terminal end accommodating cavity 11 '.

Referring to fig. 10, the terminal 2 'is formed by stamping and has a base 21', a terminal soldering portion 22 'horizontally extending from the base 21' backward, the terminal soldering portion 22 'is used for soldering to the internal circuit board 7, the internal circuit board 7 is provided with conductive holes arranged side by side and penetrating through the internal circuit board 7 in the left-right direction, and the terminal soldering portion 22' is inserted into the conductive holes and soldered to the conductive holes, i.e. through hole soldering, which is referred to as DIP in the industry.

A connecting portion 23 ' is formed by extending horizontally from the base portion 21 ' forward, the connecting portion 23 ' has a width in the left-right direction equal to the wire end welding portion 22 ', a length in the front-rear direction is much smaller than the wire end welding portion 22 ', a first elastic arm 24 ' is formed by bending vertically upward from the connecting portion 23 ', an included angle between the first elastic arm 24 ' and the connecting portion 23 ' is substantially 90 °, the first elastic arm 24 ' includes a wide arm section and a narrow arm section connected to each other in the upper-lower direction, wherein the narrow arm section is on top, the wide arm section is on bottom, the wide arm section is substantially trapezoidal in shape from front to back, the narrow arm section is rectangular in shape from front to back, a second elastic arm 25 ' is formed by bending back to the right from the narrow arm section, the first elastic arm 24 ' and the second elastic arm 25 ' are U-shaped from front to back, and the first elastic arm 24 ' and the second elastic arm 25 ' are arranged in parallel in the upper-lower direction, in the front-rear direction, the second elastic arm 25 'is disposed at a very small acute angle with respect to the first elastic arm 24' and the second elastic arm 25 'is bent forward with respect to the first elastic arm 24' to form a contact section 26 'from the second elastic arm 25'. The contact section 26 'is substantially in a shape of a Chinese character' ren 'in the left-right direction, the front end of the contact section 26' is further provided with an abutting portion 27 'protruding from the contact section 26', and when the board end magnetic connector 100 is abutted with the line end magnetic connector 100 ', the abutting portion 27' and the contact portion 24 are in contact with each other to form an electrical connection.

When the terminal end terminal 2 'is located when the plastic block 5', basal portion 21 'is totally coated and is located the below of accepting groove 51', part connecting portion 23 'expose in the front end of plastic block 5', just terminal end terminal 2 'is in arranging in the plastic block 5' is for being a pair of terminal end difference signal pair 28 ', three terminal end power supply terminal 29' from the right side left side in proper order, wherein terminal end power supply terminal 29 'is including the positive pole line end power supply terminal 291' that is located the left and right sides and being located negative pole line end power supply terminal 292 'between the positive pole line end power supply terminal 291'. The rightmost line end terminal 2 ' is close to the rightmost line end magnet 3 ', a certain distance is kept between the leftmost line end terminal 2 ' and the left line end magnet 3 ', and the other four line end terminals 2 ' are all located below the accommodating groove 51 ' except the rightmost line end terminal 2 ' when viewed from top to bottom.

Since the terminal 2 'is formed by a stamping process and is thinner than a Pogo pin terminal in thickness, in this embodiment, the base 21' is located below the receiving slot 51 ', so that the plastic block 5' has enough space in the upper half thereof to dispose the receiving slot 51 'for the terminal built-in magnet 4', thereby enhancing the attraction force in cooperation with the board terminal built-in magnet 4 and further enhancing the docking stability.

The front surface of the line terminal body 1 ' is provided with a circular line terminal protrusion 12 ' at the middle position thereof in a protruding manner, five through holes are provided side by side and at equal intervals from the line terminal protrusion 12 ' backward, the through holes extend in the up-down direction to be rectangular, three of the through holes are provided on the line terminal protrusion 12 ', and the other two through holes are provided between the line terminal protrusion 12 ' and the line terminal magnet 3 ' at the right end of the line terminal body 1 '.

When the line end terminal 2 ' is located in the line end body 1 ', the line end power terminal 29 ' protrudes out of the through hole on the line end protrusion 12 ', and the line end differential signal pair 28 ' protrudes out of the other two through holes.

The rear surface of the line terminal body 1 ' is also symmetrically provided with two positioning columns in the left-right direction for positioning the line terminal body 1 ' onto the built-in circuit board 7, the periphery of the line terminal body 1 ' is also provided with a metal shell 6, the line terminal body 1 ' is assembled into the metal shell 6 from back to front, the front surface of the line terminal body 1 ' protrudes out of the front end of the metal shell 6, the rear end of the metal shell 6 is provided with a notch at the left side for welding a cable onto the built-in circuit board 7, the upper surface and the lower surface of the rear end of the metal shell 6 are respectively symmetrically provided with three fixing holes, the rear end of the metal shell 6 is also provided with an insulator integrally molded with the insulator, and during the injection molding process, a molten plastic material forming the insulator is filled in the rear end of the metal shell 6 and the fixing holes, while also encasing a portion of the cable.

The assembly sequence of the line end magnetic connector 100' is as follows: firstly, the terminal 2 'and the plastic block 5' are integrally formed by insert-molding, the built-in magnet is placed in the accommodating groove 51 'above the plastic block 5' to form a whole, then the whole is assembled in the terminal accommodating cavity 11 ', then the positioning column of the built-in circuit board 7 corresponding to the terminal body 1' is assembled at the rear end of the terminal body 1 ', at this time, the terminal welding part 22' of the terminal 2 'protrudes backwards from the conductive hole on the built-in circuit board 7, then the terminal welding part 22' and the conductive hole are mutually welded, then the cable is welded to the left side of the built-in circuit board 7, and finally the insulator is injection-molded at the rear end of the metal shell 6. It should be noted that in other embodiments, the assembly sequence of the part structures in the line-end magnetic connector 100' can be different, and is not limited to the above assembly sequence.

When the line end magnetic connector 100 ' is butted with the board end magnetic connector 100, the line end magnet 3 ' and the board end magnetic sticker 3 attract each other due to different magnetic poles, and the line end built-in magnet 4 ' and the board end built-in magnet 4 attract each other due to the same magnetic poles, so that the line end terminal 2 ' and the board end terminal 2 are electrically connected with each other, and at this time, the line end protrusion 12 ' is located in the four board end protrusions 13.

Since four of the plate-end protrusions 13 are provided and an arc edge is provided at one corner of each of the plate-end protrusions 13, the wire-end protrusion 12 ' can freely rotate 360 ° therein, the plate-end protrusion 13 has a stopper function on the wire-end protrusion 12 ', and at the same time, the magnetic poles of the plate-end built-in magnet 4 and the wire-end built-in magnet 3 ' are the same, and the magnetic poles of the wire-end built-in magnet 4 ' and the plate-end magnet 3 are the same, the wire-end built-in magnet 4 ' does not move in the rotation process by being attracted to the plate-end magnet 3.

When the board end magnetic connector 100 and the line end magnetic connector 100 ' are butted in parallel, the line end power terminal 29 ' and the board end power terminal 22 are butted, and the line end differential signal pair 28 ' and one of the pair of board end differential signal pairs 21 are butted. Particularly, two positive electrode terminal power terminals 291 'correspond with positive electrode terminal power terminal 221 electrical property meets, because positive electrode terminal power terminal 221 is symmetrical arm lock form, consequently, two positive electrode terminal power terminal 291' respectively on the left right direction with the arm lock electrical property of positive electrode terminal power terminal 221 meets.

When the connector 100 'is inhaled to line terminal magnetism is rotatory, the homoenergetic guarantees at least one positive line terminal power supply terminal 291' with positive plate end power supply terminal 221 electrical property meets, and negative pole terminal power supply terminal 292 'with negative plate end power supply terminal 222 electrical property meets all the time at 360 rotatory in-process, for example when connector 100 is inhaled to board end magnetism with line terminal magnetism is inhaled when connector 100' looks vertical butt joint, only one positive line end power supply terminal 291 'above with positive plate end power supply terminal 221 electrical property meets, consequently, connector 100 is inhaled to board end magnetism with can both keep the power not cut off the power all the time between the connector 100' is inhaled to line terminal magnetism.

When the board end magnetic connector 100 and the line end magnetic connector 100 ' need to transmit signals, they can be butted in parallel, and when they do not need to transmit signals, the user can adjust the line end magnetic connector 100 ' according to the application scene, for example, there is a specific requirement on the placement position of the cable, the position of the cable can be changed by rotating the line end magnetic connector 100 ', and the power supply can be kept from being powered off during the rotation process.

To sum up, the utility model discloses a connector combination is inhaled to magnetism passes through the left and right sides that connector 100 was inhaled to board end magnetism sets up respectively board end magnet 3 the left and right sides that connector 100 ' was inhaled to line terminal magnetism sets up respectively line terminal magnet 3 the 1 rear side of board end body sets up board end built-in magnet 4 line terminal body 1 ' rear side sets up line terminal built-in magnet 4 ', and board end magnet 3 with the magnetic pole of line terminal magnet 3 ' is different, board end built-in magnet 4 with the magnetic pole of line terminal built-in magnet 4 ' is different, board end magnet 3 with the magnetic pole of board end built-in magnet 4 is different, line terminal magnet 3 ' with the magnetic pole of built-in magnet 4 ' is different. Not only provides a sufficiently large attraction force between the board end magnetic attraction connector 100 and the line end magnetic attraction connector 100 'when they are butted in parallel with each other, thereby ensuring stable electrical connection between the line end terminal 2' and the board end terminal 2.

Meanwhile, the line end magnetic connector 100 'can also realize 360-degree rotation by mutual attraction of the line end built-in magnet 4' and the plate end built-in magnet 4, the magnetic poles of the plate end magnet 3 and the plate end built-in magnet 4 are different, the magnetic poles of the line end magnet 3 'and the line end built-in magnet 4' are different, so that the line end magnet connector 100 'does not move to the line end built-in magnet 4' by the attraction of the plate end magnet 3 during the rotation, thereby reducing the risk of the butt-joint dislocation of the line end terminal 2 ' and the board end terminal 2 in the rotation process, ensuring that the line end magnetic connector 100 ' keeps the power supply uninterrupted in the rotation process, and reducing the risk of the line end magnetic connector 100 ' receiving collision or external force impact, the plate end magnet 3 and the wire end magnet 3' are misaligned and cannot generate strong attraction force, thereby causing unstable electrical connection.

The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. The utility model provides a connector is inhaled to line end magnetism, includes the line end body, is fixed in this internal plastic block of line end, line end terminal and cable, its characterized in that: the line end magnetic suction connector is also provided with a pair of line end magnets which are respectively arranged at two ends of the line end body, and the line end terminal is formed by punching and is fixed in the plastic block.

2. The line end magnetic suction connector of claim 1, wherein: the line end terminal is provided with a base, a line end welding part formed by extending the base backwards, a connecting part formed by extending the base forwards, a first elastic arm formed by bending the connecting part upwards and a second elastic arm formed by bending the first elastic arm rightwards, wherein the first elastic arm is connected with the second elastic arm to form a U shape, and the line end terminal is also provided with a contact section formed by bending the second elastic arm forwards and a butt joint part arranged at the front end of the contact section in a protruding mode.

3. The line end magnetic suction connector of claim 2, wherein: the plastic block is provided with a containing groove which is formed by downwards concave from the upper surface of the plastic block and is used for containing the terminal built-in magnet, and the magnetic pole of the terminal built-in magnet is different from that of the terminal magnet.

4. The line end magnetic suction connector of claim 3, wherein: the terminal end terminal is embedded and formed in the plastic block, and the base is located below the accommodating groove.

5. The line end magnetic suction connector of claim 1, wherein: the line end terminal includes three line end power supply terminal and a pair of line end differential signal pair that arrange in left and right sides orientation in proper order, and is three the line end power supply terminal is negative pole line end power supply terminal and is located the positive pole line end power supply terminal of negative pole line end power supply terminal both sides respectively.

6. The line end magnetic suction connector of claim 5, wherein: the wire end body has a circular wire end protrusion, and the wire end power terminal part is exposed to a front side of the wire end protrusion.

7. The line end magnetic suction connector of claim 1, wherein: the line terminal magnet is integrally formed with the line terminal body and partially exposed to a front surface of the line terminal body.

8. The line end magnetic suction connector of claim 1, wherein: the wire end body is provided with a wire end accommodating cavity which is positioned between the wire end magnets and used for accommodating the plastic block.

9. A connector combination is inhaled to magnetism which characterized in that: the magnetic connector comprises a board end magnetic connector and the line end magnetic connector as claimed in any one of claims 1 to 8, wherein the board end magnetic connector comprises a board end body, a pair of board end magnets are respectively arranged on the board end body at two ends of the board end body, and the magnetic poles of the board end magnets and the magnetic poles of the line end magnets are different.

10. The magnetically attractive connector assembly of claim 9, wherein: the board end body further comprises a board end built-in magnet located between the board end magnets, when the board end magnetic connector is in butt joint with the line end magnetic connector, the board end built-in magnet and the line end built-in magnet attract each other, the board end magnet is assembled to the rear side of the board end body in the board end body, the magnetic poles of the board end built-in magnet and the line end built-in magnet are different, the magnetic poles of the board end magnet and the board end built-in magnet are different, and the magnetic poles of the line end magnet and the line end built-in magnet are different.