CN212571486U

CN212571486U - Magnetic connector

Info

Publication number: CN212571486U
Application number: CN202021462533.9U
Authority: CN
Inventors: 陈俊
Original assignee: Haite Technology Guangdong Co ltd
Current assignee: Haite Technology Guangdong Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-02-19
Anticipated expiration: 2030-07-22

Abstract

The utility model discloses a connector is inhaled to magnetism, it includes: a magnet disposed in a ring shape; a first terminal passing through the magnet; the rubber core is coated on the outer side of the first terminal and separates the first terminal from the magnet; the shell is provided with an accommodating cavity at one end, a central hole communicated with the accommodating cavity is formed in the center of the other end, and an inward convex bulge is arranged at the position, close to the opening, of the inner wall of the accommodating cavity; the magnet and the rubber core are arranged in the accommodating cavity, and the bulge is abutted to the rubber core and used for preventing the magnet and the rubber core from sliding out of the accommodating cavity; one end of the first terminal is exposed out of the housing through the center hole, and the other end of the first terminal extends to the outside of the housing. The utility model discloses a connector is inhaled to magnetism, magnet and glue the core more firm with being connected between the casing, can prevent effectively that magnet and glue the core from droing in the casing, are favorable to improving the life of magnetism and inhale the connector.

Description

Magnetic connector

Technical Field

The utility model relates to an electrical connection field, in particular to connector is inhaled to magnetism.

Background

At present, there is a magnetic connector, which includes a housing, a magnet, a rubber core, a terminal, and the like, where the rubber core covers the terminal and is installed in the housing, the annular magnet is installed in the housing, the rubber core passes through the magnet, a central hole is formed in the center of the housing corresponding to the terminal so as to expose the terminal, and the magnet and the rubber core are fixed in the housing through glue; the two pairs of matched magnetic connectors can be mutually attracted through the magnets, so that the magnetic connectors can be conveniently connected, and the magnetic connectors can relatively rotate without influencing attraction and connection conduction through the terminals and the annular magnets arranged in the centers, so that the magnetic connectors are popular with users; however, the magnet and the rubber core of the magnetic connector are fixedly connected to the housing through glue, and there may be a bump and the like in the using process, so that the magnet or the rubber core is easy to be separated from the inside of the housing after the magnetic connector is used for a long time, and the service life of the magnetic connector is affected.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least, for this reason, the utility model provides a can prevent effectively that magnet and gluey core from the magnetism that the casing drops from inhaling the connector.

According to the utility model discloses connector is inhaled to magnetism includes: a magnet disposed in a ring shape; a first terminal passing through the magnet; the rubber core is coated on the outer side of the first terminal and separates the first terminal from the magnet; the shell is provided with an accommodating cavity at one end, a central hole communicated with the accommodating cavity is formed in the center of the other end, and an inward convex bulge is arranged at the position, close to the opening, of the inner wall of the accommodating cavity; the magnet and the rubber core are arranged in the accommodating cavity, and the bulge is abutted to the rubber core and used for preventing the magnet and the rubber core from sliding out of the accommodating cavity; one end of the first terminal is exposed out of the housing through the center hole, and the other end of the first terminal extends to the outside of the housing.

According to the utility model discloses connector is inhaled to magnetism has following beneficial effect at least: through the inner wall that holds the chamber set up the arch, and make arch and gluey core butt, because the arch will block gluey core and magnet to the removal that holds accent portion one side, consequently unless protruding or gluey core and magnet isotructure suffer destruction, glue core and magnet will keep holding the position of intracavity portion always, consequently compare with the mode that adopts glue to bond, magnet and glue core will be more firm with being connected between the casing, can prevent effectively that magnet and gluey core from droing in the casing, be favorable to improving the life of magnetism connector of inhaling.

According to some embodiments of the utility model, the rubber core is including central part and chassis portion, the central part inserts in magnet and the centre bore, the chassis portion be the disc and with magnet keeps away from the one end laminating of centre bore, protruding butt is in on the chassis portion.

According to some embodiments of the utility model, the casing corresponds the position that holds the chamber oral area is provided with the spacing groove, chassis portion be provided with spacing groove cooperation stopper.

According to some embodiments of the utility model, the casing is provided with the fixed strip, fixed strip one end sets up hold the oral area in chamber.

According to the utility model discloses a some embodiments, the one end of first terminal is passed through the centre bore stretches out the casing outside, the one end of gluing the core is provided with the round platform, the round platform cladding first terminal stretches out the one end of centre bore, the terminal surface of first terminal exposes the round platform outside.

According to some embodiments of the utility model, the connector is inhaled to magnetism still including the second terminal, the second terminal is the tubulose, and the cover is located the first terminal outside, the first terminal is located the center of second terminal, glue the core cladding the second terminal, the one end of second terminal is exposed the round platform outside, the other end extends to the casing is outside.

According to some embodiments of the utility model, the second terminal is including pipe portion, annular portion and connecting portion set up respectively in the both ends of pipe portion, the width of annular portion is greater than the pipe thickness of pipe portion, annular portion exposes the round platform outside, connecting portion set up to the strip, and extend it is outside to glue core and casing.

According to the utility model discloses a some embodiments, the terminal surface of gluing the core corresponds the position of centre bore is provided with the circular slot of indent, the one end of first terminal set up in the circular slot, and be located the circular slot center.

According to some embodiments of the utility model, the connector is inhaled to magnetism still including the third terminal, it is in to glue the core cladding in the outside of third terminal, the one end of third terminal set up in the circular slot, the other end extends to the casing is outside.

According to some embodiments of the invention, the first and second terminals are resilient probe terminals and have movable contact ends disposed within the circular groove.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a magnetic connector according to an embodiment of the present invention, which is a female connector and has only a single terminal;

fig. 2 is a schematic cross-sectional view of a magnetic connector according to an embodiment of the present invention, which is a female connector and has only a single terminal;

fig. 3 is a schematic cross-sectional view of a magnetic connector according to an embodiment of the present invention, which is a male connector and has only a single terminal;

fig. 4 is a schematic front view of a magnetic connector according to an embodiment of the present invention, which is a male connector and has two terminals;

fig. 5 is a schematic view of a reverse structure of a magnetic connector according to an embodiment of the present invention, which is a male connector and has two terminals;

fig. 6 is a schematic structural diagram of a second terminal in an embodiment of the present invention;

fig. 7 is a schematic cross-sectional view of a magnetic connector according to an embodiment of the present invention with a male connector and two terminals;

fig. 8 is a schematic front view of a magnetic connector according to an embodiment of the present invention, which is a female connector and has two terminals;

fig. 9 is a schematic view of a reverse structure of a magnetic connector of an embodiment of the present invention with a female connector and two terminals;

fig. 10 is a schematic cross-sectional view of a magnetic connector according to an embodiment of the present invention with a female connector and two terminals.

Reference numerals:

the structure comprises a shell 10, a magnet 20, a rubber core 30, a first terminal 40, a second terminal 50 and a third terminal 60;

the holding cavity 110, the central hole 120, the protrusion 130, the limiting groove 140, the fixing strip 150, the chassis part 310, the central part 320, the limiting block 330, the circular truncated cone 340, the circular groove 350, the tube part 510, the annular part 520 and the connecting part 530.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 and 2, according to the utility model discloses connector is inhaled to magnetism includes: magnet 20, first terminal 40, housing 10 and rubber core 30. The magnet 20 is arranged in a ring shape, and the first terminal 40 passes through the magnet 20; the rubber core 30 is coated outside the first terminal 40 and separates the first terminal 40 and the magnet 20; an accommodating cavity 110 is arranged at one end of the shell 10, a central hole 120 communicated with the accommodating cavity 110 is arranged at the center of the other end of the shell, and an inward convex bulge 130 is arranged at the position, close to the opening, of the inner wall of the accommodating cavity 110; the magnet 20 and the rubber core 30 are installed in the accommodating cavity 110, and the protrusion 130 abuts against the rubber core 30 for blocking the magnet 20 and the rubber core 30 from sliding out of the accommodating cavity 110; one end of the first terminal 40 is exposed out of the housing 10 through the center hole 120, and the other end extends to the outside of the housing 10.

The inner wall that adopts at holding chamber 110 sets up arch 130 to make the form that arch 130 and gluey core 30 butt, block the removal of gluey core 30 and magnet 20 to holding chamber 110 oral area one side with the help of arch 130, unless arch 130 or gluey core 30 and magnet 20 etc. structurally suffer destruction, gluey core 30 and magnet 20 will keep holding the position of holding chamber 110 inside always, therefore magnet 20 and gluey core 30 are more firm with being connected between the casing 10, can effectively prevent that magnet 20 and gluey core 30 from droing from the casing 10.

In some embodiments of the present invention, the protrusion 130 is provided in a plurality of positions to limit the rubber core 30 and the magnet 20 from different positions, so as to further improve the firmness.

In some embodiments of the present invention, the housing 10 is made of a metal material, and the protrusion 130 is formed on the inner wall of the accommodating cavity 110 by riveting on the outside of the housing 10, so as to simplify the forming process of the protrusion 130; of course, in other embodiments, the protrusion 130 may be formed by riveting metal, for example, the housing 10 may be made of plastic, and the protrusion 130 is directly formed with other structures of the housing 10 by injection molding, etc.

Referring to fig. 2, in some embodiments of the present invention, the rubber core 30 includes a central portion 320 and a bottom plate portion 310, the central portion 320 is inserted into the magnet 20 and the central hole 120, the bottom plate portion 310 is in a disc shape and is attached to an end of the magnet 20 away from the central hole 120, and the protrusion 130 abuts on the bottom plate portion 310; through set up central part 320 on gluey core 30, can make gluey core 30 fill full magnet 20 and centre bore 120, avoid gluey core 30 radially to rock in the inside appearance of casing 10, simultaneously with the help of chassis portion 310 and protruding 130 and magnet 20's cooperation, can be holding chamber 110 interior clamp magnet 20 and gluey core 30, except can avoiding gluey core 30 and magnet 20 to deviate from and hold chamber 110, can also restrict magnet 20 and gluey core 30 and holding the axial position in chamber 110, avoid both to appear the axial and rock, and then promote the connection effect of magnetism connector, reduce the emergence of contact failure scheduling problem.

Referring to fig. 5, in some embodiments of the present invention, in order to limit the rotation of the rubber core 30 and the first terminal 40, a position of the housing 10 corresponding to the opening of the accommodating cavity 110 is provided with a limiting groove 140, the chassis part 310 is provided with a limiting block 330 cooperating with the limiting groove 140, the limiting block 330 is filled in the limiting groove 140, and the limiting groove 140 is used to limit the movement of the limiting block 330, so as to limit the rotation of the whole rubber core 30 and the first terminal 40; the limiting blocks 330 and the limiting grooves 140 are provided with a plurality of limiting blocks, specifically, two limiting blocks are provided and are symmetrically arranged about the axis of the rubber core 30, and according to actual conditions, the limiting blocks 330 and the limiting grooves 140 can be provided with three or four limiting blocks.

Referring to fig. 1, in some embodiments of the present invention, the housing 10 is provided with a fixing strip 150, one end of the fixing strip 150 is disposed at the opening of the accommodating cavity 110, when a circuit board needs to be connected, a positioning notch can be formed on the circuit board, and the positioning of the circuit board can be facilitated by the cooperation of the fixing strip 150 and the positioning notch; after the circuit board is attached to the opening of the accommodating cavity 110, the fixing strip 150 is bent toward the circuit board, and the circuit board may be fixed to the housing 10.

The magnetic connector generally comprises a male connector and a female connector, and the male connector and the female connector are matched to realize electrical connection. Moreover, the connector is inhaled to magnetism of the utility model discloses the embodiment still can be divided into single terminal and bi-polar two kinds.

In some embodiments of the utility model, magnetism is inhaled the connector and is public head and only have a single terminal, refer to fig. 3, in the magnetism of this embodiment is inhaled the connector, the one end of first terminal 40 is passed through centre bore 120 stretches out the casing 10 outside, the one end of gluey core 30 is provided with round platform 340, the cladding of round platform 340 first terminal 40 stretches out the one end of centre bore 120, the terminal surface of first terminal 40 exposes the round platform 340 outside. According to the magnetic connector of the male connector, the first terminal 40 of the male connector stretches out of the outer end of the central hole 120 and wraps the round platform 340, and only the end face of the first terminal is exposed outside, so that the round platform 340 can play a good protection role on the first terminal 40, the problem that the first terminal 40 is bent or even broken is avoided, and meanwhile, the conduction connection between the first terminal and the corresponding female connector is not influenced. Specifically, one end of the central portion 320 protrudes outside the central hole 120 to form the circular truncated cone 340.

In some embodiments of the present invention, the magnetic connector is a male connector and has two terminals, referring to fig. 4 to 7, the magnetic connector of this embodiment includes a second terminal 50 besides a first terminal 40, the second terminal 50 is tubular and is sleeved on the outside of the first terminal 40, the first terminal 40 is located at the center of the second terminal 50, the rubber core 30 covers the second terminal 50, one end of the second terminal 50 is exposed outside the circular truncated cone 340, and the other end extends to the outside of the housing 10. By arranging the second terminal 50 in a tubular shape, placing the first terminal 40 at the center of the second terminal 50, and exposing the end of the second terminal 50 to the outside of the truncated cone 340, the corresponding female connector only needs to be provided with two needle-like connecting terminals, one of which is arranged corresponding to the first terminal 40, and the other of which falls within the annular area corresponding to the end of the second terminal 50, so that the male and female connectors can be connected, and the male and female connectors can be always kept connected and conducted even if the male or female connectors are rotated along the axis of the first terminal 40.

Specifically, referring to fig. 6 and 7, the second terminal 50 includes a tube 510, an annular portion 520, and a connecting portion 530, the annular portion 520 and the connecting portion 530 are respectively disposed at two ends of the tube 510, a width of the annular portion 520 is greater than a tube thickness of the tube 510, the annular portion 520 is exposed outside the circular truncated cone 340, and the connecting portion 530 is disposed in a strip shape and extends out of the rubber core 30 and the housing 10. The second terminal 50 can be connected to the circuit at the rear end of the housing 10 by providing the connection part 530; the annular portion 520 increases the area of the end surface of the second terminal 50, thereby facilitating the conduction with the corresponding terminal on the female terminal, and particularly preventing the poor contact and other problems when the male terminal and the female terminal rotate relatively.

In some embodiments of the present invention, the magnetic connector is a female connector and has only a single terminal, and referring to fig. 1 and 2, the magnetic connector of the present embodiment can be connected to the magnetic connector having a male connector and a single terminal as described in the above embodiments; in the magnetic connector of this embodiment, an inward concave circular groove 350 is disposed at a position corresponding to the central hole 120 on the end surface of the rubber core 30, and one end of the first terminal 40 is disposed in the circular groove 350 and located at the center of the circular groove 350. According to the magnetic connector of the female head, the end part of the first terminal 40 is arranged in the circular groove 350, so that the first terminal 40 can be well protected, and the problem that the first terminal 40 is bent or even broken is avoided; and can cooperate with round platform 340 on the male well with the help of circular slot 350, with the help of the cooperation location of round platform 340 and circular slot 350, also guarantee the first terminal 40 on the male and the first terminal 40 on the female are aligned each other and contact and switch on more easily.

In some embodiments of the present invention, the magnetic connector is a female connector and has two terminals, and the magnetic connector of this embodiment can be connected to the magnetic connector having two terminals and a male connector described in the above embodiments; referring to fig. 8 to 10, the magnetic connector of the present embodiment includes a third terminal 60 in addition to the first terminal 40, the rubber core 30 covers the outside of the third terminal 60, one end of the third terminal 60 is disposed in the circular groove 350, and the other end extends to the outside of the housing 10. According to the magnetic connector of the female connector, the ends of the first terminal 40 and the third terminal 60 are both arranged in the circular groove 350, so that the first terminal 40 and the third terminal 60 can be well protected, and the problem that the first terminal 40 and the third terminal 60 are bent or even broken is avoided; and the round groove 350 can be well matched with the round platform 340 on the male head, and the first terminal 40 on the female head and the first terminal 40 on the male head, the third terminal 60 on the female head and the second terminal 50 on the male head are aligned and contacted and conducted mutually by virtue of the matching and positioning of the round platform 340 and the round groove 350.

In the magnetic connector of the present embodiment, specifically, the first terminal 40 and the second terminal 50 are elastic probe terminals and have movable contact ends, and the contact ends are disposed in the circular groove 350, so as to further ensure the contact conduction effect with the male terminal; since the elastic probe type terminal belongs to the existing component, the detailed structure thereof will not be described and shown in detail herein and in the drawings attached to the specification.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art.

Claims

1. Connector is inhaled to magnetism, its characterized in that includes:

a magnet disposed in a ring shape;

a first terminal passing through the magnet;

the rubber core is coated on the outer side of the first terminal and separates the first terminal from the magnet;

the shell is provided with an accommodating cavity at one end, a central hole communicated with the accommodating cavity is formed in the center of the other end, and an inward convex bulge is arranged at the position, close to the opening, of the inner wall of the accommodating cavity; the magnet and the rubber core are arranged in the accommodating cavity, and the bulge is abutted to the rubber core and used for preventing the magnet and the rubber core from sliding out of the accommodating cavity; one end of the first terminal is exposed out of the housing through the center hole, and the other end of the first terminal extends to the outside of the housing.

2. The magnetic connector according to claim 1, wherein the rubber core comprises a central portion and a bottom portion, the central portion is inserted into the magnet and the central hole, the bottom portion is disc-shaped and attached to one end of the magnet far away from the central hole, and the protrusion abuts against the bottom portion.

3. The connector of claim 2, wherein the housing has a position corresponding to the opening of the receiving cavity and a position limiting groove, and the bottom plate has a position limiting block matching with the position limiting groove.

4. The connector of claim 1, wherein the housing is provided with a fixing strip, one end of the fixing strip being disposed at a mouth of the receiving cavity.

5. The connector according to any one of claims 1 to 4, wherein one end of the first terminal protrudes outside the housing through the central hole, one end of the rubber core is provided with a circular truncated cone, the circular truncated cone covers the end of the first terminal protruding from the central hole, and an end surface of the first terminal is exposed outside the circular truncated cone.

6. The connector of claim 5, further comprising a second terminal, wherein the second terminal is tubular and is sleeved outside the first terminal, the first terminal is located at the center of the second terminal, the rubber core covers the second terminal, one end of the second terminal is exposed outside the circular truncated cone, and the other end of the second terminal extends outside the housing.

7. The connector of claim 6, wherein the second terminal comprises a tube portion, an annular portion and a connecting portion, the annular portion and the connecting portion are respectively disposed at two ends of the tube portion, the width of the annular portion is greater than the tube thickness of the tube portion, the annular portion is exposed outside the circular truncated cone, and the connecting portion is in a strip shape and extends out of the rubber core and the housing.

8. The magnetic connector according to any one of claims 1 to 4, wherein an inward-concave circular groove is disposed at a position corresponding to the central hole on the end surface of the rubber core, and one end of the first terminal is disposed in the circular groove and located at the center of the circular groove.

9. The connector of claim 8, further comprising a third terminal, wherein the rubber core covers an outer side of the third terminal, one end of the third terminal is disposed in the circular groove, and the other end of the third terminal extends to an outside of the housing.

10. The magnetically attractive connector of claim 9, wherein the first and second terminals are resilient probe terminals and have movable contact ends disposed within the circular slots.