CN220066247U - Formula electric wire interface is inhaled to magnetism and formula aviation electric wire is inhaled to magnetism - Google Patents

Abstract

The embodiment of the utility model provides a magnetic wire connector, which comprises a connecting seat, a magnetic connector and a connecting port; one end of the magnetic connector is provided with a locking piece, a first magnetic piece and at least two first connecting pieces, the other end of the magnetic connector is provided with an end part used for connecting the connector, and the first connecting pieces are electrically connected to internal contacts of the connector; the connecting seat is provided with a connecting sleeve member, a rotary self-locking switch is sleeved on the connecting sleeve member, and a second magnetic attraction piece and a second connecting piece are arranged in the connecting sleeve member. Through setting up magnetism and formula connector and inhale the mode through the magnetism and be connected to the connecting seat, rethread rotation auto-lock is beginning to realize locking or unblanking and is inhaled the formula connector of changing magnetism, can change the connector of different grade type as required, has solved present electric wire interface singleness, can't change the problem, can also inhale quick high efficiency through magnetism and connect, locking and unblank change convenient and fast, when not using, still can take off the joint, accomodates.

Description

Formula electric wire interface is inhaled to magnetism and formula aviation electric wire is inhaled to magnetism

Technical Field

The utility model relates to the technical field of cables, in particular to a magnetic type wire interface and a magnetic type aviation wire.

Background

With the rapid development of digitization, electronic devices, such as mobile phones and sports watches, etc., have become an essential auxiliary tool in life, and they need to be charged by a charging wire, or data transmission and charging by a data wire.

The existing cable mainly has the following problems that the existing cable interface is generally provided with a single head or is provided with a plurality of heads at the same time or is converted in a sleeving manner, the single head is inconvenient to support various types of electronic equipment, for example, interfaces of apple equipment and other electronic equipment are different, if wires of the single interface are incompatible, wires of a plurality of joints are more, the space for points is attractive, the sleeving manner is required to be well spliced, and when the first head has a problem, all the joints cannot be used; the wire end interface is generally not protected, so that the wire is easy to break after long-term use, for example, the wire end is pressed and extremely damaged, the service life is influenced, and in addition, the quality of the cable can also influence the service life to a certain extent, for example, the cable is stretched in the use process, and the internal wire of the cable is possibly broken, so that a magnetic wire interface capable of at least partially solving the problem is needed to be used as a corresponding magnetic aviation wire.

Disclosure of Invention

The present utility model has been made in view of the above problems, and has as its object to provide a magnetically attractable wire interface and a magnetically attractable aviation wire that overcome or at least partially solve the above problems.

The embodiment of the utility model discloses a magnetic wire interface, which comprises: the magnetic type connecting seat comprises a connecting seat, a magnetic type connecting head and a connecting port; one end of the magnetic connector is provided with a locking piece, a first magnetic component and at least two first connecting pieces, the other end of the magnetic connector is provided with an end part used for connecting the connector, and the first connecting pieces are electrically connected to the internal contacts of the connector; the connecting seat is arranged at the cable end;

the connecting seat is provided with a connecting sleeve member, a rotary self-locking switch is sleeved on the connecting sleeve member, and a second magnetic attraction piece and a second connecting piece are arranged in the connecting seat; the second connecting piece is arranged corresponding to the first connecting piece, the first magnetic attraction piece and the second magnetic attraction piece are arranged oppositely, and the first magnetic attraction piece and the second magnetic attraction piece are attracted through magnetic force;

when the connecting seat is connected with the magnetic connector, the first connecting piece is electrically connected with the second connecting piece, and the rotary self-locking switch locks or unlocks the locking piece through rotation.

Preferably, the first magnetic attraction piece is annular; the magnetic connector also comprises: the first magnetic attraction piece, the first contact metal sheet, the second rubber sleeve, the copper sleeve, the first rubber core and the first contact needle are sleeved in the first rubber sleeve in sequence from outside to inside to form a first assembly; the first rubber sleeve is the spiral locking piece, and the bottom of the first rubber sleeve is connected with the connecting port;

a PCB is arranged in the first rubber sleeve and is abutted against the first component; the first contact pin is electrically connected with the internal contact of the connecting port through the PCB;

wherein the first connector comprises the first contact pin, the copper sleeve and the first contact metal sheet.

Preferably, the connecting seat further comprises a second contact metal sheet, a second magnetic attraction piece, a third contact metal sheet, a second rubber core and a second contact pin which are sleeved in the connecting sleeve cavity in sequence from outside to inside;

wherein the second connector includes the second contact pin, the second contact metal sheet, and the third contact metal sheet.

Preferably, the Type of the connection port is a Type-C or Micro-USB or apple interface of the public terminal.

Preferably, one of the first magnetic attraction piece and the second magnetic attraction piece is a magnet, the other magnetic attraction piece is made of new magnetic materials, or the first magnetic attraction piece and the second magnetic attraction piece are magnets with opposite polarities.

Preferably, the first and second connectors are made of copper.

Preferably, the connection kit is an integrally formed gel.

Preferably, the first contact metal sheet is a loop-column-shaped copper sheet.

Preferably, the second contact metal sheet and the third contact metal sheet are ring-column-shaped copper sheets.

The embodiment of the utility model also discloses a magnetic attraction type aviation wire, which comprises the following components: an air line and the magnetic wire interface;

wherein one end of the air line is a connecting port, the other end of the air line is the magnetic wire interface,

preferably, a magnetically attractable aerial wire, comprising: an air line and the magnetic wire interface; wherein, both ends of the air line are the magnetic wire interfaces.

The embodiment of the utility model also discloses a magnetic attraction type aviation wire, which comprises the following components: at least two air lines and the magnetic wire interface;

one end of one aerial route is a connecting port, and the other end is a connecting seat; one end of the rest of the air lines is provided with a connecting seat, and the other end of the rest of the air lines is provided with a magnetic connector; the connecting seat of one aerial line is connected with the magnetic attraction type connector of the other aerial line, wherein the aerial line with a connecting port is used as a starting end, and the connecting seat at the tail end is connected with the magnetic attraction type connector with the connecting port;

preferably, one end of one aerial route is a connecting port, and the other end is a magnetic connector; one end of the rest of the air lines is provided with a connecting seat, and the other end of the rest of the air lines is provided with a magnetic connector; the magnetic attraction type connector of one air line is connected with the connecting seat of the other air line, wherein the air line with the connecting port is used as a starting end, and the magnetic attraction type connector at the tail end is provided with the connecting port;

preferably, one end of one aerial route is a connecting port, the other end of the aerial route is a magnetic connector, one end of the other aerial route is a connecting port, and the other end of the other aerial route is a connecting seat; the magnetic connector is connected with the connecting seat;

preferably, one end of one aerial line is a connection port, the other end of the aerial line is a magnetic connector as a first cable, one end of the other aerial line is a connection port, and the other end of the other aerial line is a connection seat as a second cable; one end of the rest of the air lines is provided with a connecting seat, and the other end of the rest of the air lines is provided with a magnetic connector; the connecting seat of one air line is connected with the magnetic connector of the other air line, and the first cable and the second cable are respectively a head end and a tail end.

The utility model has the following advantages:

in the embodiment of the utility model, the connecting seat, the magnetic connector and the connecting port are used for connecting the magnetic connector and the connecting port; one end of the magnetic connector is provided with a locking piece, a first magnetic component and at least two first connecting pieces, the other end of the magnetic connector is provided with an end part used for connecting the connector, and the first connecting pieces are electrically connected to the internal contacts of the connector; the connecting seat is arranged at the cable end; the connecting seat is provided with a connecting sleeve member, a rotary self-locking switch is sleeved on the connecting sleeve member, and a second magnetic attraction piece and a second connecting piece are arranged in the connecting seat; the second connecting piece is arranged corresponding to the first connecting piece, the first magnetic attraction piece and the second magnetic attraction piece are arranged oppositely, and the first magnetic attraction piece and the second magnetic attraction piece are attracted through magnetic force; when the connecting seat is connected with the magnetic connector, the first connecting piece is electrically connected with the second connecting piece, and the rotary self-locking switch locks or unlocks the locking piece through rotation. Through setting up magnetism and formula connector and inhale the mode through the magnetism and be connected to above-mentioned connecting seat, rethread rotation auto-lock is beginning to realize locking or unblanking and is inhaled the formula connector of changing magnetism, can change different grade connector as required, has solved present electric wire interface singleness, can't change the problem, can also inhale the formula through magnetism and connect quick high efficiency, locking and unblanking change convenient and fast, when not using, still can take off the joint, accomodate.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description of the present utility model will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.

Fig. 1 is a schematic structural diagram of a magnetic wire interface according to an embodiment of the present utility model;

fig. 2 is a schematic diagram of a magnetic connector and a connecting port of a magnetic wire connector according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a connection base of a magnetic wire interface according to an embodiment of the present utility model after being connected to a magnetic connector;

fig. 4 is an exploded view of a connector structure of a magnetic wire interface according to an embodiment of the present utility model;

fig. 5 is an exploded view of a magnetic connector structure of a magnetic wire connector according to an embodiment of the present utility model;

fig. 6 is an exploded view of a magnetic wire interface according to an embodiment of the present utility model;

fig. 7 is a schematic structural diagram of a magnetic attraction type aviation electric wire according to an embodiment of the present utility model;

FIG. 8 is a schematic view of an elongated magnetically attractable wire according to one embodiment of the present utility model;

FIG. 9 is an enlarged schematic view of the portion A of FIG. 8;

fig. 10 is a schematic view of a connection structure of an elongated magnetic attraction type aerial wire according to an embodiment of the present utility model.

In the accompanying drawings: 1. a connecting seat; 2. magnetic connector; 3. a connection port; 4. an air line; 11. a rotary self-locking switch; 12. a connection kit; 13. a second contact metal sheet; 14. a second rubber core; 15. a second contact pin; 16. a third contact metal sheet; 17. the second magnetic attraction piece; 20. a first gum cover; 21. a locking piece; 22. a PCB board; 23. a first magnetic attraction member; 24. a first contact metal sheet; 25. the second rubber sleeve; 26. a first rubber core; 27. a first contact pin; 28. copper sleeve.

Detailed Description

In order that the manner in which the above recited objects, features and advantages of the present utility model are obtained will become more readily apparent, a more particular description of the utility model briefly described above will be rendered by reference to the appended drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. 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 be within the scope of the utility model.

Referring to fig. 1 to 6, a magnetic wire interface according to an embodiment of the present utility model includes: the magnetic type connecting seat comprises a connecting seat 1, a magnetic type connecting head 2 and a connecting port 3; one end of the magnetic connector 2 is provided with a locking piece 21, a first magnetic piece 23 and at least two first contact first connecting pieces, the other end of the magnetic connector is provided with an end part used for connecting the connecting port 3, and the first connecting pieces are electrically connected to the internal contacts of the connecting port 3; wherein the connecting seat 1 is arranged at the cable end; the connecting seat 1 is provided with a connecting sleeve member 12, a rotary self-locking switch 11 is sleeved on the connecting sleeve member, and a second magnetic attraction piece 17 and a second connecting piece are arranged in the connecting sleeve member; wherein the second connecting piece is arranged corresponding to the first connecting piece, the first magnetic attraction piece 23 and the second magnetic attraction piece 17 are arranged opposite to each other, and the first magnetic attraction piece and the second magnetic attraction piece are attracted through magnetic force; when the connecting seat 1 is connected with the magnetic connector 2, the first connecting piece is electrically connected with the second connecting piece, and the rotary self-locking switch 11 locks or unlocks the locking piece 21 through rotation.

In the above-mentioned embodiment, through setting up magnetism and formula connector 2 and being connected to above-mentioned connecting seat through the magnetism and inhaling the mode, rethread rotatory auto-lock is at the beginning 11 and is realized locking or unblanking and change magnetism and inhale formula connector 2, can change connector 3 of different grade type as required, solved present electric wire interface singleness, unable problem of changing, can also inhale through magnetism and connect high efficiency, locking and unblank and change convenient and fast, when not using, still can take off the joint, accomodate.

In a specific example, the Type of the connection port 3 is Type-C of the male end, micro-US B or apple interface.

In an embodiment of the present utility model, as shown in fig. 5, the first magnetic attraction member 23 is annular; the magnetic connector 2 further comprises: the first magnetic attraction piece 23, the first contact metal sheet 24, the second rubber sleeve 25, the copper sleeve 28, the first rubber core 26 and the first contact pin 27 which are sleeved in the first rubber sleeve 20 in sequence from outside to inside form a first assembly; the first rubber sleeve 20 is a spiral locking piece 21, and the bottom of the first rubber sleeve 20 is connected with the connecting port 3; a PCB board 22 is further disposed in the first rubber sleeve 20, and the PCB board 22 abuts against the first component; the first contact pin 27 is electrically connected with the internal contact of the connection port 3 through the PCB 22; wherein the first connection comprises the first contact pin 27, copper sleeve 28 and first contact metal sheet 24.

In the above embodiment, the first contact pins 27 wrapped by the first glue core 26 may be at least one set or may be multiple sets through the above structure, the outer layer of the first glue core 26 is further provided with the copper sleeve 28, the second glue sleeve 25 and the contact metal sheet 24, so as to form a multipoint connection structure, and the PCB 22 is used to communicate the first connection piece with the contacts in the connection port 3, so that the circuit connection and fixation during production are facilitated. The first contact pin 27 and the first contact metal piece 24 are preferably made of copper material in order to improve electrical conductivity, and the first contact metal piece 24 is preferably a loop-pillar-shaped copper piece.

In an embodiment of the present utility model, as shown in fig. 4, the connection base 1 further includes a second contact metal sheet 13, the second magnetic attraction member 17, a third contact metal sheet 16, a second rubber core 14, and a second contact pin 15 sequentially sleeved in the cavity of the connection sleeve 12 from outside to inside; wherein the second connection comprises the second contact pin 15, the second contact metal sheet 13 and the third contact metal sheet 16. The first connecting member and the second connecting member are made of copper, and preferably the second contact metal sheet 13 and the third contact metal sheet 16 are ring-shaped copper sheets.

In an embodiment of the present utility model, one of the first magnetic attraction member 23 and the second magnetic attraction member 17 is a magnet, the other is made of a new magnetic material, or both are magnets with opposite polarities. For example, the first magnetic member 23 is made of iron or nickel, and the second magnetic member 17 is magnetic. Or both are magnets, and when the two magnets are connected, the two magnets can attract each other due to the opposite magnetic poles.

In an embodiment of the present utility model, the connection sleeve 12 is an integrally formed adhesive. The integrally formed product has firm characteristics, such as injection molding technology, and is integrally formed, so that the manufacturing time is greatly shortened. On the production line, the production can be completed in a short time, and the production time is saved. Although the time is short, the quality and hardness are rather excellent.

In an embodiment of the present utility model, as shown in fig. 7, a magnetic attraction type aviation wire is also disclosed, including: an air line 4 and the magnetic wire interface; one end of the air line 4 is a connection port 3, and the other end of the air line is the magnetic wire interface.

It should be noted that modern digital networks require aerospace wires and cables to provide high-speed data transmission of high-quality signals. Aviation electrical wires have the characteristics of a robust, compact design for installation in an aerospace environment where conditions are severe and space is limited. The electric wire adopts slim design, and the installation is simple, and the structure is firm, can ensure quick, accurate transmission data. Because of the cable performance, the controllable impedance and 120 ohm bus cable is 40% smaller than the similar cables, and the flexibility is improved and the bending radius is reduced by adopting a slim and light design. Multilayer designs utilize engineered fluoropolymer jackets and braided shields to defend against challenging environments. They also have the following advantages: smaller diameter and greater flexibility.

In one embodiment of the present utility model, a magnetically attractable aviation wire includes: an air line 4 and the magnetic wire interface; wherein, both ends of the air line 4 are the magnetic wire interfaces. The two ends of the cable can be detached, so that the cable has compatibility.

In an embodiment of the present utility model, referring to fig. 8 to 10, a magnetic attraction type aviation wire is disclosed, comprising: at least two air lines 4 and the magnetic wire interfaces; one end of one aerial route 4 is a connecting port 3, and the other end is a connecting seat 1; one end of the rest of the air line 4 is provided with a connecting seat 1, and the other end is provided with a magnetic connector 2; the connection seat 1 of one aerial line 4 is connected with the magnetic connection head 2 of the other aerial line 4, wherein the aerial line 4 with a connection port 3 is used as a starting end, and the connection seat 1 at the tail end is connected with the magnetic connection head 2 with the connection port 3; the cables can be lengthened for use by at least two aerial lines 4.

In one embodiment of the present utility model, a magnetically attractable aviation wire includes: at least two air lines 4 and the magnetic wire interfaces; one end of one aerial route 4 is a connecting port 3, and the other end is a magnetic connector 2; one end of the rest of the air line 4 is provided with a connecting seat, and the other end of the rest of the air line is provided with a magnetic connector 2; the magnetic connection head 2 of one aerial line 4 is connected with the connection seat 1 of the other aerial line 4, wherein the aerial line 4 with the connection port 3 is used as a starting end, and the magnetic connection head 2 at the tail end is provided with the connection port 3.

In one embodiment of the present utility model, a magnetically attractable aviation wire includes: at least two air lines 4 and the magnetic wire interfaces; one end of one aerial route 4 is a connecting port 3, the other end is a magnetic connector 2, one end of the other aerial route 4 is a connecting port 3, and the other end is a connecting seat 1; the magnetic connector 2 is connected with the connecting seat 1;

in one embodiment of the present utility model, a magnetically attractable aviation wire includes: at least two air lines 4 and the magnetic wire interfaces; one end of one aerial line 4 is a connecting port 3, the other end is a magnetic connector 2 serving as a first cable, one end of the other aerial line 4 is a connecting port 3, and the other end is a connecting seat 1 serving as a second cable; one end of the rest of the air line 4 is provided with a connecting seat, and the other end of the rest of the air line is provided with a magnetic connector 2; the connection seat 1 of one aerial line 4 is connected with the magnetic connector 2 of the other aerial line 4, and the first cable and the second cable are respectively a head end and a tail end.

In the above embodiment, a plurality of two air lines 4 are arranged to form a complete magnetic attraction type aviation electric wire, so that the cable can be prolonged, the connector 3 can be replaced according to actual needs, and the use is convenient and flexible.

In this specification, each embodiment is described in a progressive manner, and each embodiment is mainly described by differences from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other.

While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the embodiments of the utility model.

Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or terminal device comprising the element.

The above description of a material distributing device provided by the present utility model has been provided in detail, and specific examples are applied herein to illustrate the principles and embodiments of the present utility model, and the above examples are only for helping to understand the method and core ideas of the present utility model; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present utility model, the present description should not be construed as limiting the present utility model in view of the above.

Claims (10)

1. A magnetically attractable wire interface, comprising: the magnetic type connecting seat comprises a connecting seat (1), a magnetic type connecting head (2) and a connecting port (3); one end of the magnetic connector (2) is provided with a locking piece (21), a first magnetic connector (23) and at least two first connectors, the other end of the magnetic connector is provided with an end part used for connecting the connector (3), and the first connectors are electrically connected to the internal contacts of the connector (3);

the connecting seat (1) is provided with a connecting sleeve (12), a rotary self-locking switch (11) is sleeved on the connecting sleeve, and a second magnetic attraction piece (17) and a second connecting piece are arranged in the connecting seat; the second connecting piece is arranged corresponding to the first connecting piece, the first magnetic attraction piece (23) and the second magnetic attraction piece (17) are arranged oppositely, and the first magnetic attraction piece and the second magnetic attraction piece are attracted through magnetic force;

when the connecting seat (1) is connected with the magnetic connector (2), the first connecting piece is electrically connected with the second connecting piece, and the rotary self-locking switch (11) locks or unlocks the locking piece (21) through rotation.

2. The magnetically attractable wire interface according to claim 1, wherein the first magnetically attractable piece (23) is annular; the magnetic connector (2) further comprises: the first magnetic attraction piece (23) is sleeved in the first rubber sleeve (20) in sequence from outside to inside, and the first contact metal sheet (24), the second rubber sleeve (25), the copper sleeve (28), the first rubber core (26) and the first contact pin (27) form a first assembly; the first rubber sleeve (20) is a spiral locking piece (21), and the bottom of the first rubber sleeve (20) is connected with the connecting port (3);

a PCB (22) is further arranged in the first rubber sleeve (20), and the PCB (22) is abutted to the first component; the first contact pin (27) is electrically connected with the internal contact of the connecting port (3) through the PCB (22);

wherein the first connection comprises the first contact pin (27), the copper sleeve (28) and the first contact metal sheet (24).

3. The magnetic wire interface according to claim 1 or 2, characterized in that the connection base (1) further comprises a second contact metal sheet (13), the second magnetic piece (17), a third contact metal sheet (16), a second rubber core (14) and a second contact pin (15) which are sleeved in the cavity of the connection sleeve (12) from outside to inside in sequence;

wherein the second connection comprises the second contact pin (15), the second contact metal sheet (13) and the third contact metal sheet (16).

4. The magnetically attractable wire interface according to claim 1, wherein the Type of the connection port (3) is a Type-C or Micro-USB or apple interface of a male end.

5. The magnetically attractable wire interface of claim 1 wherein one of the first and second magnetically attractable members (23, 17) is a magnet, the other is a new magnetic material, or both are magnets of opposite polarity.

6. The magnetically attractable wire interface of claim 1 wherein the first and second connectors are made of copper.

7. The magnetically attractable wire interface of claim 1, wherein the connection kit (12) is an integrally formed gel.

8. A magnetically attractable wire interface according to claim 3, wherein the second contact metal sheet (13) and the third contact metal sheet (16) are loop-pillar copper sheets.

9. A magnetically attractable aviation wire, comprising: -an aerial (4), a magnetically attractable wire interface according to any of claims 1-8;

wherein one end of the air line (4) is a connecting port (3), the other end is the magnetic wire interface,

or alternatively, the first and second heat exchangers may be,

wherein, both ends of the air line (4) are the magnetic wire interfaces.

10. A magnetically attractable aviation wire, comprising: at least two aerial lines (4), a magnetically attractable wire interface as claimed in any one of claims 1 to 8;

one end of one aerial route (4) is a connecting port (3), and the other end is a connecting seat (1); one end of the rest of the aerial lines (4) is provided with a connecting seat (1), and the other end of the aerial lines is provided with a magnetic connector (2); the connection base (1) of one aerial line (4) is connected with the magnetic connection head (2) of the other aerial line (4), wherein the aerial line (4) with a connection port (3) is used as a starting end, and the connection base (1) at the tail end is connected with the magnetic connection head (2) with the connection port (3);

or alternatively, the first and second heat exchangers may be,

one end of one aerial route (4) is a connecting port (3), and the other end is a magnetic connector (2); the magnetic connection head (2) of one aerial line (4) is connected with the connection seat (1) of the other aerial line (4), wherein the aerial line (4) with the connection port (3) is used as a starting end, and the connection port (3) is arranged at the most tail end of the magnetic connection head (2);

or alternatively, the first and second heat exchangers may be,

one end of one aerial line (4) is a connecting port (3), the other end is a magnetic connector (2), one end of the other aerial line (4) is a connecting port (3), and the other end is a connecting seat (1); the magnetic connector (2) is connected with the connecting seat (1);

or alternatively, the first and second heat exchangers may be,

one end of one aerial line (4) is a connecting port (3), the other end of the aerial line is a magnetic connector (2) serving as a first cable, one end of the other aerial line (4) is the connecting port (3), and the other end of the aerial line is a connecting seat (1) serving as a second cable; the connecting seat (1) of one aerial line (4) is connected with the magnetic connector (2) of the other aerial line (4), and the first cable and the second cable are respectively at the head end and the tail end.