CN210404198U - Magnetic suction type connector and electronic equipment - Google Patents

Abstract

The utility model discloses a formula connector and electronic equipment are inhaled to magnetism belongs to electric connector technical field. The method comprises the following steps: the first connector comprises a first shell, a first magnetic element and a first electrode, the first shell comprises an outer barrel and an inner barrel, the outer barrel is sleeved outside the inner barrel, the first magnetic element is positioned in the inner barrel, a first through hole is formed in the wall of the inner barrel, and the first electrode is positioned between the inner barrel and the outer barrel and extends into the inner barrel from the first through hole; the second joint comprises a second shell, a second magnetic element and a second electrode, a cylindrical connecting part is arranged on one side of the second shell, the second magnetic element is positioned on the connecting part, a second through hole is formed in the cylinder wall of the connecting part, and the second electrode is fixedly connected to the inner wall of the connecting part and covers the second through hole. The connector can reduce the radial size of the first connector and the second machine head, and realizes the miniaturization of the connector.

Description

Magnetic suction type connector and electronic equipment

Technical Field

The utility model relates to an electric connector technical field, in particular to formula connector and electronic equipment are inhaled to magnetism.

Background

A connector, generally referred to as an electrical connector, is an electronic device that connects two active devices and functions to transmit current or signals. The magnetic connector is characterized in that magnetic elements are respectively arranged on two joints of the connector, and the two magnetic elements are close to each other by utilizing the magnetic attraction principle to automatically align and attach, so that two electronic devices are connected, or two parts of one electronic device are connected, and signal or power transmission is realized.

In the related art, electrodes for transmitting signals or electric power and magnetic elements for magnetic connection are arranged on contact surfaces correspondingly connected on two connectors of the magnetic connector, and the two connectors are fixedly connected through magnetic attraction between the magnetic elements. The two joints can be separated by utilizing the force larger than the magnetic attraction force, thereby achieving the effects of quick assembly and convenient disassembly.

In the case that electronic products such as mobile phones, walkmans, earphones and the like pursue to be light, thin, short and small, the connectors also pursue to be light, thin, short and small, and the magnetic attraction type connector in the related art needs a large enough area for arrangement due to the need to simultaneously provide electrodes and magnetic terminals on the contact surfaces of the two connectors, and accordingly, the radial dimension of the connector is large, which is not beneficial to the miniaturization of the connector.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a connector and electronic equipment, on the basis that the formula of magnetism that can guarantee the connector was connected, realize the miniaturization of connector, technical scheme is as follows:

in a first aspect, an embodiment of the present invention provides a magnetic connector, including: a first joint and a second joint, wherein the first joint and the second joint are connected,

the first joint comprises a first shell, a first magnetic element and a first electrode, the first shell comprises an outer barrel and an inner barrel, the outer barrel is sleeved outside the inner barrel, the first magnetic element is positioned in the inner barrel, a first through hole is formed in the wall of the inner barrel, and the first electrode is positioned between the inner barrel and the outer barrel and extends into the inner barrel from the first through hole;

the second joint comprises a second shell, a second magnetic element and a second electrode, a cylindrical connecting part is arranged on one side of the second shell, the second magnetic element is positioned at one end, far away from the second shell, of the connecting part, a second through hole is formed in the cylindrical wall of the connecting part, and the second electrode is fixedly connected to the inner wall of the connecting part and at least partially opposite to the second through hole;

the connecting part is configured to be inserted into the inner barrel, so that the first magnetic element and the second magnetic element attract each other, and the first electrode is in contact with the second electrode.

Optionally, the first electrode includes a plurality of first metal elastic sheets, the plurality of first metal elastic sheets are arranged at intervals along the circumferential direction of the inner cylinder, the middle part of each first metal elastic sheet is bent to form a limiting part, and the limiting part extends out of the first through hole;

the second electrode comprises a plurality of second metal elastic sheets which are arranged at intervals along the circumferential direction of the connecting part, and the plurality of second metal elastic sheets correspond to the plurality of first metal elastic sheets one to one.

Optionally, the first metal elastic sheet extends along the axis direction of the first housing, two sides of the first metal elastic sheet along the length direction are provided with protruding limiting pieces, the outer barrel is provided with limiting holes corresponding to the limiting pieces, and the limiting pieces are inserted into the limiting holes.

Optionally, the first connector further includes a first electric wire electrically connected to the first metal dome, and the first housing has a first wire hole for the first electric wire to pass through.

Optionally, the first connector further comprises an insulating block, the first wire is inserted into the insulating block, and the insulating block is detachably connected in the first housing.

Optionally, the second connector further includes a second electric wire electrically connected to the second metal dome, and an end of the second housing, which is away from the connecting portion, has a second wire hole for the second electric wire to pass through.

Optionally, the first magnetic element is stuck to the inner wall of the inner barrel through glue. .

Optionally, the second magnetic element is annular, an installation boss protruding outward in the axial direction is arranged at one end, away from the second shell, of the connecting portion, and the second magnetic element is sleeved on the installation boss.

Optionally, the first joint further comprises a metal shell, and the metal shell is sleeved on the outer wall of the outer barrel.

In a second aspect, the present invention provides an electronic device, including a first portion and a second portion separated from each other, the electronic device further including a magnetic connector as described in the first aspect, the first connector is connected to the first portion, and the second connector is connected to the second portion.

The embodiment of the utility model provides a beneficial effect that technical scheme brought includes at least:

the first shell is formed by a double-layer structure formed by sleeving a cylindrical outer cylinder and an inner cylinder. The first electrode is clamped and fixed between the inner wall of the outer cylinder and the outer wall of the inner cylinder and extends into the inner cylinder from the first through hole. One side of the second shell is provided with a cylindrical connecting part which is arranged in a protruding mode along the axial direction, when the first joint and the second joint are connected, the cylindrical connecting part can be inserted into an inner hole of the inner cylinder to be connected in a matched mode, and at the moment, the outer wall of the connecting part is attached to the inner wall of the inner cylinder. The first magnetic element positioned in the inner cylinder and the second magnetic element positioned at one end of the connecting part extending into the inner cylinder are mutually attracted, and the first joint and the second joint are magnetically connected through magnetic attraction between the first magnetic element and the second magnetic element. Meanwhile, the first through hole on the inner cylinder wall is aligned with the second through hole on the connecting part cylinder wall, and the first electrode extending into the inner cylinder from the first through hole is in contact and electric connection with the second electrode covering the second through hole through the second through hole, so that signal or electric power transmission is realized. The connector realizes electric connection by arranging electrodes for transmitting signals or power on the inner wall of the inner barrel in the first shell and the inner wall corresponding to the connecting part in the second shell and enabling the first electrode and the second electrode to be in contact with each other through the opening. Avoided setting up electrode and magnetic element simultaneously in the contact surface of connector axial direction, compared with the connector among the correlation technique, on the basis of guaranteeing the same magnetic attraction, can dwindle first magnetic element and second magnetic element's area of contact, and then reduce the radial dimension that first joint and second connect, realized the miniaturization of connector.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of a first joint of a connector in the related art;

fig. 2 is a schematic view of a second joint of the connector in the related art;

fig. 3 is a schematic structural diagram of a first joint of a magnetic-type connector according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a second joint of a magnetic-type connector according to an embodiment of the present invention;

fig. 5 is a schematic view of an assembly structure of a magnetic connector according to an embodiment of the present invention;

fig. 6 is a partial structural cross-sectional view of a first joint of a magnetic-type connector according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Fig. 1 is a schematic view of a first contact of a connector in the related art. Fig. 2 is a schematic view of a second joint of the connector in the related art. As shown in fig. 1 and 2, in the related art, a connector includes a first terminal a and a second terminal b. In the first tab a, a first magnetic element a1 is disposed at the center of a contact surface a0 of the first tab a and the second tab b, and three first electrodes a2 are disposed around the first magnetic element a 1. In the second tab b, a second magnetic element b1 corresponding to the first magnetic element a1 is provided at the center of a contact surface b0 between the second tab b and the first tab a, and three second electrodes b2 corresponding to the first electrodes a2 are provided around the second magnetic element b 1. When the connectors are connected, the first contacts a contact the second contacts b, and the three first contacts a2 are electrically connected with the corresponding three second contacts b2, so that the transmission of signals or power is realized. The first magnetic element a1 and the second magnetic element b1 attract each other, and the first joint a and the second joint b are fixedly connected through the magnetic attraction force between the first magnetic element a1 and the second magnetic element b 1. However, in mobile electronic devices such as mobile phones, walkmans, notebook computers, etc., the magnetic elements for magnetic connection and the electrodes for signal or power transmission are disposed on the contact surfaces a0 and b0 of the first tab a and the second tab b, which are opposite to each other, and a large area is required for disposing these magnetic elements and electrodes, resulting in a large radial dimension of the first tab a and the second tab b, which is not favorable for the miniaturized design of the connector.

Therefore, the embodiment of the utility model provides a magnetic type connector is inhaled to magnetism includes first joint and second joint, through set up the electrode on other positions outside the relative contact surface of first joint and second joint to reduce the area of the relative contact surface of first joint and second joint, and then reduce the radial dimension of first joint and second joint. The following describes the structure of the magnetic connector according to an embodiment of the present invention in detail with reference to the accompanying drawings.

Fig. 3 is a schematic structural diagram of a first joint of a magnetic-type connector provided by the embodiment of the present invention. As shown in fig. 3, an embodiment of the present invention provides a magnetic connector, including:

the first connector 1, the first connector 1 includes a first housing 11, a first magnetic element 12 and a first electrode 13, the first housing 11 includes an outer cylinder 111 and an inner cylinder 112, the outer cylinder 111 is sleeved outside the inner cylinder 112, the first magnetic element 12 is located in the inner cylinder 112, a first through hole 1121 is formed in the cylinder wall of the inner cylinder 112, and the first electrode 13 is located between the inner cylinder 112 and the outer cylinder 111 and extends into the inner cylinder 112 through the first through hole 1121;

fig. 4 is a schematic structural diagram of a second joint of the magnetic-type connector provided by the embodiment of the present invention. Fig. 5 is an assembly structure diagram of the embodiment of the present invention provides a magnetic connector. As shown in fig. 4 and 5, the connector further includes a second connector 2, the second connector 2 includes a second housing 21, a second magnetic element 22, and a second electrode 23, one side of the second housing 21 has a cylindrical connecting portion 211, the second magnetic element 22 is located at an end of the connecting portion 211 away from the second housing 21, the cylindrical wall of the connecting portion 211 has a second through hole 2111, and the second electrode 23 is fixedly connected to an inner wall of the connecting portion 211 and at least partially faces the second through hole 2111, for example, covers the second through hole 2111.

The connection portion 211 is configured to be inserted into the inner cylinder such that the first magnetic element 12 and the second magnetic element 22 attract each other and the first electrode 13 contacts the second electrode 23.

In an embodiment of the present invention, the first housing is formed of a double-layered structure in which a cylindrical outer tube and an inner tube are fitted together. The first electrode is clamped and fixed between the inner wall of the outer cylinder and the outer wall of the inner cylinder and extends into the inner cylinder from the first through hole. One side of the second shell is provided with a cylindrical connecting part which is arranged in a protruding mode along the axial direction, when the first joint and the second joint are connected, the cylindrical connecting part can be inserted into an inner hole of the inner cylinder to be connected in a matched mode, and at the moment, the outer wall of the connecting part is attached to the inner wall of the inner cylinder. The first magnetic element positioned in the inner cylinder and the second magnetic element positioned at one end of the connecting part extending into the inner cylinder are mutually attracted, and the first joint and the second joint are magnetically connected through magnetic attraction between the first magnetic element and the second magnetic element. Meanwhile, the first through hole on the inner cylinder wall is aligned with the second through hole on the connecting part cylinder wall, and the first electrode extending into the inner cylinder from the first through hole is in contact and electric connection with the second electrode covering the second through hole through the second through hole, so that signal or electric power transmission is realized. The connector realizes electric connection by arranging electrodes for transmitting signals or power on the inner wall of the inner barrel in the first shell and the inner wall corresponding to the connecting part in the second shell and enabling the first electrode and the second electrode to be in contact with each other through the opening. Avoided setting up electrode and magnetic element simultaneously in the contact surface of connector axial direction, compared with the connector among the correlation technique, on the basis of guaranteeing the same magnetic attraction, can dwindle first magnetic element and second magnetic element's area of contact, and then reduce the radial dimension that first joint and second connect, realized the miniaturization of connector.

For example, in the embodiment of the present invention, the first connector 1 and the second connector 2 are a male-female socket structure used in a paired manner, wherein the first connector 1 is a cylindrical structure and serves as a female seat in the male-female socket. And the second connector 2 is inserted into the inner cylinder 112 of the first connector 1 through the cylindrical connecting part 211 on the side of the second housing 21 to realize a fitting connection as a male socket in the male-female socket. When in actual use, the relative position of first joint 1 and second joint 2 in the electronic equipment who connects can set up according to actual need, the embodiment of the utility model provides a do not limit to this.

Optionally, the first electrode 13 includes a plurality of first metal elastic sheets 131, the plurality of first metal elastic sheets 131 are arranged at intervals along the circumferential direction of the inner cylinder 112, a middle portion of each first metal elastic sheet 131 is bent to form a limiting portion 1311, and the limiting portion 1311 extends out of the first through hole 1121. In the embodiment of the present invention, a portion of the first metal elastic sheet 131 may be bent into a "V" shape, and the limiting portion 1311 is clamped in the first through hole 1121 to prevent the first metal elastic sheet 131 from sliding between the inner tube 112 and the outer tube 111, and meanwhile, a tip of the limiting portion 1311 may extend into the inner tube 112 through the first through hole 1121 to be electrically connected to the second joint 12. The first connector 1 adopts a plurality of first metal elastic sheets 131 as electrodes for transmitting power or signals, and is electrically connected with the second connector 2. Each metal elastic sheet 131 can be used as an independent signal contact, and according to actual requirements, a plurality of first metal elastic sheets 131 can transmit the same kind of signals and also can transmit different signals respectively, so that the practicability of the connector is improved. For example, in the embodiment of the present disclosure, the first electrode 13 includes three first metal elastic sheets 131, and when the connector is used to connect an earphone and a mobile phone, the three first metal elastic sheets 131 in the first connector 1 may transmit control signals of volume increase, volume decrease, and play/pause, respectively, to control the earphone connected to the second connector 2. In other possible implementations, for example, three first metal elastic pieces 131 may be used to transmit power signals at the same time, and the connector may be used as a plug of the charger. The present disclosure is not limited thereto.

Fig. 6 is a partial structure sectional view of a first joint of the magnetic-type connector provided by the embodiment of the present invention. Referring to fig. 3 to 6, the first metal elastic piece 131 extends along the axial direction of the first housing 11, two sides of the first metal elastic piece 131 along the length direction have protruding limiting pieces 1312, the outer cylinder 111 has limiting holes 1111 corresponding to the limiting pieces 1312, and the limiting pieces 1312 are inserted into the limiting holes 1111. When the first connector 1 and the second connector 2 are connected, because the first metal elastic sheet 131 needs to extend into the second through hole 2111 to be electrically connected with the second electrode 23, when the first connector 1 and the second connector 2 are separated, the side wall of the second through hole 2111 can push the part of the first metal elastic sheet 131 extending into the second through hole 2111 in the axial direction of the connector, and after long-term use, the pushing force may cause the first metal elastic sheet 131 to slide between the inner cylinder 112 and the outer cylinder 111 to cause poor contact with the second electrode 23, which affects the normal use of the connector. By bending the limiting sheet 1312 protruding from the first metal elastic sheet 131 in the length direction to the direction away from the inner cylinder 112 and inserting the limiting sheet into the limiting hole 1111 located on the outer cylinder 111, the limiting sheet 1312 abuts against the inner wall of the limiting hole 1111, when the first metal elastic sheet 131 tends to slide, the inner wall of the limiting hole 1111 will abut against the limiting sheet 1312 to prevent the metal elastic sheet 131 from sliding, so that the normal use of the connector is ensured, and the service life of the connector is prolonged.

Optionally, the first connector 1 further includes a first electric wire 14, the first electric wire 14 is electrically connected to the first metal dome 131, and the first housing 11 has a first wire hole 113 for passing the first electric wire 14 therethrough. The first wires 14 are connected with each of the first metal elastic sheets 131 in a one-to-one correspondence manner, and penetrate out of the first housing 11 through the first wire holes 113 to be electrically connected with an electronic device connected with the first connector 1, so as to obtain different control signals or electric signals.

Optionally, the first connector 1 further comprises an insulating block 15, the first electric wire 14 is inserted into the insulating block 15, and the insulating block 15 is detachably connected to the first housing 11. A gap is formed between the inner tube 112 and the outer tube 111, and the first wires 14 are electrically connected to a plurality of first metal elastic pieces 131 located between the inner tube 112 and the outer tube 111, respectively. After a long time of use, a phenomenon of wire crossing or winding easily occurs between the first wires 14 located in the first housing 11, which causes signals in different first wires 14 to interfere with each other, and affects transmission of the signals. Through setting up insulating block 15, can fix first electric wire 14 of difference in first casing 11 through the mode of pegging graft, prevent first electric wire 14's string line and winding problem, can effectively keep apart first casing 11 and first electric wire 14 simultaneously, play insulation protection's effect.

Optionally, the first magnetic element 12 is adhered to the inner wall of the inner barrel 112 by glue. In the embodiment of the present invention, the first magnetic element 12 installed in the inner tube 112 is fixed to the inner wall of the inner tube 112 by glue, so as to prevent the first magnetic element 12 from dropping by shaking or colliding with the inner tube 112, thereby improving the structural stability of the connector.

It should be noted that, except for the first magnetic element 12, all the components of the connector may be bonded and reinforced by glue, such as between the inner cylinder 112 and the outer cylinder 111, between the second magnetic element 22 and the connecting portion 211, and the embodiment of the present invention is not limited thereto.

Illustratively, in the embodiment of the present invention, the insulating block 15 is an insulating soft plastic insulating block, and the first wire 14 is fixedly connected to the insulating block 15 by injection molding.

Optionally, the first joint 1 further comprises a metal shell 16, and the metal shell 16 is sleeved on the outer wall of the outer cylinder 111. By sleeving the metal shell 16 outside the outer wall of the outer cylinder 111, the electrode and the wiring structure in the first housing 11 can be shielded, and the appearance of the connector is ensured to be attractive. More importantly, the mechanical strength of the first housing 11 can be enhanced, the first housing 11 is prevented from being damaged due to collision, and the service life of the connector is prolonged.

Illustratively, in the embodiment of the present invention, the metal outer barrel 16 is an aluminum outer barrel, and the aluminum has a lighter weight relative to other metal materials, so that the overall weight of the connector can be reduced, and the user experience can be improved.

Optionally, the second electrode 23 includes a plurality of second metal elastic pieces 231, the plurality of second metal elastic pieces 231 are arranged at intervals along the circumferential direction of the connecting portion 211, and the plurality of second metal elastic pieces 231 correspond to the plurality of first metal elastic pieces 131 one to one. In the embodiment of the present invention, the second connector 2 adopts a plurality of second metal elastic pieces 231 as electrodes for transmitting power or signals, and is electrically connected to the corresponding first metal elastic pieces 131. The second metal elastic pieces 231 can transmit the same kind of signals and can also transmit different signals respectively, so that the practicability of the connector is further improved.

Exemplarily, in the embodiment of the present invention, the plurality of second metal elastic pieces 231 may be fixedly connected to the inner wall of the connecting portion 211 by way of injection molding and embedding, and may also be adhered to the inner wall of the connecting portion 211 by glue, as long as the inner wall of the second metal elastic pieces 231 and the inner wall of the connecting portion 211 can be fixedly connected, which is not limited by the embodiment of the present invention.

Optionally, the second connector 2 further includes a second electric wire 24, the second electric wire 24 is electrically connected to the second metal dome 231, and an end of the second housing 21 away from the connecting portion 211 has a second wire hole 212 for passing the second electric wire 24. The second wires 24 are connected to each of the second metal elastic pieces 231 in a one-to-one correspondence manner, and the second wires 24 pass through the second wire holes 212 from one end of the second housing 21 far away from the connecting portion 211 and penetrate through the inside of the second connector 2, so as to be electrically connected to an electronic device connected to the second connector 2, so as to transmit different control signals or electrical signals.

Optionally, the second magnetic element 22 is ring-shaped, one end of the connecting portion 211 away from the second housing 21 has a mounting boss 2112 protruding outward in the axial direction, and the second magnetic element 22 is sleeved on the mounting boss 2112. Compared with the prior art in which the second magnetic element b1 is arranged at the center of the two joint contact surfaces b0, the annular second magnetic element 22 is arranged around the mounting boss 2112 and the contact surface of the first magnetic element 12, and when the annular second magnetic element and the first magnetic element 12 attract each other, the distribution range of the generated magnetic attraction force is wider, the connection is more stable, and meanwhile, an annular sleeving manner is adopted, so that the structure is simple and the installation is convenient.

For example, in the embodiment of the present invention, the outer cylinder 111, the inner cylinder 112, and the second housing 21 may be made of hard plastic or soft plastic, which is not limited in the embodiment of the present invention. The plastic has good insulativity to electricity, heat and sound, and has excellent electrical insulativity, arc resistance, heat preservation, sound insulation, sound absorption, vibration absorption and noise elimination performances. The contact end of the plastic material with a user and the internal electronic element can be effectively isolated, and meanwhile, the plastic material is low in cost and convenient to process.

Illustratively, first magnetic element 12 and second magnetic element 22 are neodymium-iron-boron magnets. Neodymium iron boron has outstanding magnetic performance, and its magnetism is only inferior to the permanent magnet of absolute zero degree holmium magnet, can guarantee first magnetic element 12 and the magnetic intensity of inhaling of second magnetic element 22 inter attraction, makes first joint 1 and second joint 2 through magnetism connection easily break off and break away from, has further improved user's use and has experienced.

The embodiment of the utility model provides an electronic equipment is still provided, include as shown in fig. 3 to fig. 6 magnetism type connector, this electronic equipment includes first portion 3 and the second portion 4 of alternate segregation, and first joint 1 is connected with first portion 3, and the second connects 2 and is connected with second portion 4.

Fig. 7 is a schematic structural diagram of an electronic device according to an embodiment of the present invention. As shown in fig. 7, in the embodiment of the present invention, the electronic device includes, but is not limited to, a mobile phone, an earphone, a walkman, or a notebook computer, and the earphone is taken as an exemplary description in the embodiment. The first part 3 is an earphone controller used for controlling the playing mode and volume of the earphone, and a first connector 1 of the connector is connected with the tail end of an earphone wire controlled by the earphone; the second part 4 is a wearing body of the earphone, and the second connector 2 is connected to the wearing body and used for being connected with an earphone controller.

In the embodiment of the present invention, the first housing of the magnetic-type connector is formed by a double-layer structure in which the cylindrical outer barrel and the inner barrel are sleeved. The first electrode is clamped and fixed between the inner wall of the outer cylinder and the outer wall of the inner cylinder and extends into the inner cylinder from the first through hole. One side of the second shell is provided with a cylindrical connecting part which is arranged in a protruding mode along the axial direction, when the first joint and the second joint are connected, the cylindrical connecting part can be inserted into an inner hole of the inner cylinder to be connected in a matched mode, and at the moment, the outer wall of the connecting part is attached to the inner wall of the inner cylinder. The first magnetic element positioned in the inner cylinder and the second magnetic element positioned at one end of the connecting part extending into the inner cylinder are mutually attracted, and the first joint and the second joint are magnetically connected through magnetic attraction between the first magnetic element and the second magnetic element. Meanwhile, the first through hole on the inner cylinder wall is aligned with the second through hole on the connecting part cylinder wall, and the first electrode extending into the inner cylinder from the first through hole is in contact and electric connection with the second electrode covering the second through hole through the second through hole, so that signal or electric power transmission is realized. The connector realizes electric connection by arranging electrodes for transmitting signals or power on the inner wall of the inner barrel in the first shell and the inner wall corresponding to the connecting part in the second shell and enabling the first electrode and the second electrode to be in contact with each other through the opening. Avoided setting up the electrode simultaneously with magnetic element in the ascending contact surface of connector axis direction, compared with the magnetism type connector of inhaling among the correlation technique, on the basis of guaranteeing the same magnetic attraction, can dwindle first magnetic element and second magnetic element's area of contact, and then reduce the radial dimension that first joint and second connect, realized the miniaturization of magnetism type connector.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. A magnetic-type connector, comprising: a first joint (1) and a second joint (2),

the first connector (1) comprises a first shell (11), a first magnetic element (12) and a first electrode (13), the first shell (11) comprises an outer cylinder (111) and an inner cylinder (112), the outer cylinder (111) is sleeved outside the inner cylinder (112), the first magnetic element (12) is located in the inner cylinder (112), a first through hole (1121) is formed in the cylinder wall of the inner cylinder (112), and the first electrode (13) is located between the inner cylinder (112) and the outer cylinder (111) and extends into the inner cylinder (112) from the first through hole (1121);

the second connector (2) comprises a second shell (21), a second magnetic element (22) and a second electrode (23), a cylindrical connecting part (211) is arranged on one side of the second shell (21), the second magnetic element (22) is located at one end, far away from the second shell (21), of the connecting part (211), a second through hole (2111) is formed in the cylinder wall of the connecting part (211), and the second electrode (23) is fixedly connected to the inner wall of the connecting part (211) and at least partially opposite to the second through hole (2111);

the connecting part (211) is configured to be inserted into the inner barrel, so that the first magnetic element (12) and the second magnetic element (22) attract each other, and the first electrode (13) is in contact with the second electrode (23).

2. The magnetic-type connector according to claim 1, wherein the first electrode (13) comprises a plurality of first metal elastic sheets (131), the plurality of first metal elastic sheets (131) are arranged at intervals along the circumferential direction of the inner cylinder (112), the middle part of each first metal elastic sheet (131) is bent to form a limiting part (1311), and the limiting part (1311) extends out of the first through hole (1121);

the second electrode (23) comprises a plurality of second metal elastic sheets (231), the plurality of second metal elastic sheets (231) are arranged at intervals along the circumferential direction of the connecting portion (211), and the plurality of second metal elastic sheets (231) correspond to the plurality of first metal elastic sheets (131) one to one.

3. The magnetic-type connector according to claim 2, wherein the first metal elastic piece (131) extends along an axial direction of the first housing (11), two sides of the first metal elastic piece (131) along a length direction are provided with protruding limiting pieces (1312), the outer cylinder (111) is provided with limiting holes (1111) corresponding to the limiting pieces (1312), and the limiting pieces (1312) are inserted into the limiting holes (1111).

4. A magnetic connector according to claim 2, wherein the first connector (1) further comprises a first electric wire (14), the first electric wire (14) is electrically connected to the first metal dome (131), and the first housing (11) has a first wire hole (113) for passing the first electric wire (14).

5. A connector according to claim 4, characterized in that the first terminal (1) further comprises an insulating block (15), the first electric wire (14) being inserted on the insulating block (15), the insulating block (15) being removably connected inside the first housing (11).

6. A magnetic connector according to claim 2, wherein the second connector (2) further comprises a second wire (24), the second wire (24) is electrically connected to the second metal dome (231), and an end of the second housing (21) away from the connecting portion (211) has a second wire hole (212) for passing the second wire (24).

7. A magnetic connector according to any one of claims 1 to 6, characterized in that the first magnetic element (12) is glued to the inner barrel (112).

8. The magnetic connector according to any one of claims 1 to 6, wherein the second magnetic element (22) is annular, and one end of the connecting part (211) away from the second housing (21) is provided with a mounting boss (2112) protruding outwards in the axial direction, and the second magnetic element (22) is sleeved on the mounting boss (2112).

9. The connector of any one of claims 1 to 6, wherein the first joint (1) further comprises a metal shell (16), and the metal shell (16) is sleeved on the outer wall of the outer cylinder (111).

10. An electronic device comprising a first part (3) and a second part (4) separated from each other, characterized in that it further comprises a magnetically attractable connector according to any one of claims 1-9, the first connector (1) being connected to the first part (3) and the second connector (2) being connected to the second part (4).

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