Miniature magnetic attraction charging seat and miniature magnetic attraction charging head

Abstract

The utility model discloses a miniature magnetic charging seat and a miniature magnetic charging head. According to the technical scheme, the connector is composed of a first insulating rubber core, a female PIN and a first metal shell, the first insulating rubber core is composed of a long-strip-shaped first positioning bottom plate and a first cylindrical main body integrally formed in the center of the upper end of the first positioning bottom plate, and the female PIN is arranged in the first cylindrical main body; the upper end of the female PIN is provided with an upper contact plane exposed on the upper end face of the first cylindrical body, the lower end of the female PIN is provided with a first welding face exposed on the lower end face of the first cylindrical body, the first metal shell is cylindrical, and the bottom of the first metal shell is provided with a first positioning groove matched with the first positioning bottom plate in a positioning mode. And the first insulating rubber core is arranged in the first metal shell. The device has the advantages that the whole structure is very small and exquisite after assembly, and the device can be embedded into intelligent wearable equipment for installation.

Description

Technical Field

[0001] The utility model belongs to the field of chargers, and in particular relates to a magnetic charger. Background Art

[0002] A magnetic charger uses magnetism to attach the charger plug on a power cord to the charger socket on a device, enabling power transfer and charging. Magnetic chargers are also widely used in various smart wearable devices. However, a drawback of traditional magnetic chargers is their large size, making them unsuitable for smaller smart wearable devices (such as smart rings). Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a micro magnetic charging seat and a micro magnetic charging head.

[0004] To solve the above problems, the technical solution adopted by the present invention includes: it is composed of a first insulating rubber core, a female PIN needle and a first metal shell, the first insulating rubber core is composed of a long first positioning base plate and a first cylindrical body integrally formed at the center of the upper end of the first positioning base plate, the female PIN needle is arranged in the first cylindrical body, the upper end of the female PIN needle is provided with an upper contact plane exposed to the upper end surface of the first cylindrical body, and the lower end is provided with a first welding surface exposed to the lower end surface of the first cylindrical body, the first metal shell is cylindrical, and the bottom is provided with a first positioning groove that is positioned and matched with the first positioning base plate, and the first insulating rubber core is installed in the first metal shell.

[0005] The micro magnetic charging stand is characterized in that a first groove is provided at the top center of the first cylindrical body of the first insulating rubber core, and a second groove is formed between the first cylindrical body and the first metal shell.

[0006] The micro magnetic charging stand is characterized in that the first welding surface is higher than the first positioning base plate, and both ends of the bottom of the first metal shell are also higher than the first positioning base plate and form a second welding surface.

[0007] The micro magnetic charging stand is characterized in that the female PIN needle includes a female pin base and a flat pin integrally formed on the female pin base, and the top of the flat pin is provided with the upper contact plane.

[0008] A miniature magnetic charging head, matched with any of the above-mentioned miniature magnetic charging bases, characterized in that: it is composed of a second insulating rubber core, a male PIN needle and a second metal shell, the second insulating rubber core is composed of a long second positioning base plate and a second cylindrical body integrally formed at the center of the upper end of the second positioning base plate, the male PIN needle is arranged in the second cylindrical body, the upper end of the male PIN needle is provided with a convex needle extending from the upper end surface of the second cylindrical body, and the lower end is provided with a third welding surface exposed to the lower end surface of the second cylindrical body, the second metal shell is cylindrical, and the bottom is provided with a second positioning groove that is positioned and matched with the second positioning base plate, and the second insulating rubber core is installed in the second metal shell.

[0009] The micro magnetic charging head is characterized in that a third groove is provided at the top center of the second cylindrical body of the second insulating rubber core, and a fourth groove is formed between the second cylindrical body and the second metal shell.

[0010] The micro magnetic charging head is characterized in that the second welding surface is higher than the second positioning base plate, and both ends of the bottom of the second metal shell are also higher than the second positioning base plate, and a fourth welding surface is formed.

[0011] The micro magnetic charging head is characterized in that the male PIN needle includes a male pin base and a retractable convex pin arranged in the male pin base, and a spring is provided between the convex pin and the male pin base.

[0012] The advantages of the micro magnetic charging stand and micro magnetic charging head of the present invention are as follows: the overall structure is very compact after assembly and can be embedded in smart wearable devices for installation.

[0013] The present invention will be further described below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the front structure of the micro magnetic charging stand of the utility model;

[0015] Figure 2 This is a schematic diagram of the back structure of the micro magnetic charging stand of the utility model;

[0016] Figure 3 This is a cross-sectional view of the micro magnetic charging stand of the utility model;

[0017] Figure 4 This is an exploded view of the micro magnetic charging stand of the utility model;

[0018] Figure 5 This is a schematic diagram of the front structure of the micro magnetic charging head of the utility model;

[0019] Figure 6This is a schematic diagram of the back structure of the micro magnetic charging head of the utility model;

[0020] Figure 7 This is a cross-sectional view of the micro magnetic charging head of the utility model;

[0021] Figure 8 This is an exploded view of the utility model micro magnetic charging head. DETAILED DESCRIPTION Example 1:

[0022] Reference Figure 1-4 As shown, the micro magnetic charging seat of the present invention is composed of a first insulating rubber core 1, a female PIN needle 2 and a first metal shell 3. The first insulating rubber core 1 is composed of a long first positioning base plate 4 and a first cylindrical body 5 integrally formed at the center of the upper end of the first positioning base plate 4. The female PIN needle 2 is arranged in the first cylindrical body 5, and the upper end of the female PIN needle 2 is provided with an upper contact plane 7 exposed to the upper end surface of the first cylindrical body 5, and the lower end of the female PIN needle 2 is provided with a first welding surface 8 exposed to the lower end surface of the first cylindrical body 5. The first metal shell 3 is cylindrical, and the first metal shell 3 is provided with a first positioning groove 9 at the bottom for positioning with the first positioning base plate 4. The first insulating rubber core 1 is installed in the first metal shell 3. It is worth noting that: the female PIN needle 2 is a common name in the industry, and often refers to a structure with a concave top after the PIN needle is assembled with the insulating rubber core and the metal shell.

[0023] Preferably, a first groove 10 is provided at the center of the top of the first cylindrical body 5 of the first insulating rubber core 1, and a second groove 11 is formed between the first insulating rubber core 1 and the first metal shell 3. A corresponding protrusion structure can be provided on the magnetic charging head to make the connection between the two more precise and stable.

[0024] Preferably, the first welding surface 8 is higher than the first positioning base plate 4, and both ends of the bottom of the first metal shell 3 are also higher than the first positioning base plate 4, and a second welding surface 12 is formed to facilitate welding and prevent the first positioning base plate 4 from being burned during welding.

[0025] Preferably, the female PIN needle 2 includes a female pin base 13 and a flat pin 14 integrally formed on the female pin base 13, and the top of the flat pin 14 is provided with the upper contact plane 7, so that the female PIN needle 2 can be installed in the first insulating rubber core 1 by insert injection molding or riveting, so as to facilitate installation and wiring. Example 2:

[0026] Reference Figure 5-8As shown, the miniature magnetic charging head of the present invention comprises a second insulating rubber core 15, a male PIN 16, and a second metal shell 17. The second insulating rubber core 15 comprises a second elongated positioning base plate 18 and a second cylindrical body 19 integrally formed at the center of the upper end of the second positioning base plate 18. The male PIN 16 is disposed within the second cylindrical body 19. The upper end of the male PIN 16 is provided with a protruding pin 20 extending from the upper end surface of the second cylindrical body 19. The lower end of the male PIN 16 is provided with a third welding surface 21 exposed to the lower end surface of the second cylindrical body 19. The second metal shell 17 is cylindrical and has a second positioning groove 22 at its bottom that aligns with the second positioning base plate 18. The second insulating rubber core 15 is mounted within the second metal shell 17.

[0027] Preferably, a third groove 23 is provided at the top center of the second cylindrical body 19 of the second insulating rubber core 15, and a fourth groove 24 is formed between the second cylindrical body 19 and the second metal shell 17. A corresponding protrusion structure can be provided on the magnetic charging base to make the connection between the two more precise and stable.

[0028] Preferably, the second welding surface 12 is higher than the second positioning base plate 18, and both ends of the bottom of the second metal shell 17 are also higher than the second positioning base plate 18, and a fourth welding surface 25 is formed to facilitate welding and prevent the first positioning base plate 4 from being burned during welding.

[0029] Preferably, the male PIN 16 includes a male pin base 26 and a retractable protruding pin 20 disposed within the male pin base 26. A spring 27 is provided between the protruding pin 20 and the male pin base 26. This structure provides elasticity to the protruding pin 20 of the male PIN 16. When the micro-magnetic charging head is engaged with the micro-magnetic charging base, the protruding pin 20 can stably contact the female PIN 2.

[0030] The above does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technician familiar with this profession can make some changes or modifications to the above-disclosed structures and technical contents without departing from the scope of the technical solution of the present invention. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A miniature magnetic charging stand, characterized by: It consists of a first insulating rubber core (1), a female PIN needle (2) and a first metal shell (3), wherein the first insulating rubber core (1) consists of a long first positioning base plate (4) and a first cylindrical body (5) integrally formed at the center of the upper end of the first positioning base plate (4), the female PIN needle (2) is arranged in the first cylindrical body (5), the upper end of the female PIN needle (2) is provided with an upper contact plane (7) exposed to the upper end surface of the first cylindrical body (5), and the lower end is provided with a first welding surface (8) exposed to the lower end surface of the first cylindrical body (5), the first metal shell (3) is cylindrical, and the bottom is provided with a first positioning groove (9) for positioning with the first positioning base plate (4), and the first insulating rubber core (1) is installed in the first metal shell (3).

2. The micro magnetic charging stand according to claim 1, characterized in that: A first groove (10) is provided at the top center of the first cylindrical body (5) of the first insulating rubber core (1), and a second groove (11) is formed between the first cylindrical body (5) and the first metal shell (3).

3. The micro magnetic charging stand according to claim 1, characterized in that: The first welding surface (8) is higher than the first positioning base plate (4), and both ends of the bottom of the first metal shell (3) are also higher than the first positioning base plate (4), and a second welding surface (12) is formed.

4. The micro magnetic charging stand according to claim 1, characterized in that: The female PIN needle (2) comprises a female needle base (13) and a flat needle (14) integrally formed on the female needle base (13), and the top of the flat needle (14) is provided with the upper contact plane (7).

5. A miniature magnetic charging head, compatible with the miniature magnetic charging base according to any one of claims 1 to 4, characterized in that: It consists of a second insulating rubber core (15), a male PIN needle (16) and a second metal shell (17). The second insulating rubber core (15) consists of a second long positioning base plate (18) and a second cylindrical body (19) integrally formed at the center of the upper end of the second positioning base plate (18). The male PIN needle (16) is arranged in the second cylindrical body (19). The upper end of the male PIN needle (16) is provided with a convex needle (20) extending from the upper end surface of the second cylindrical body (19), and the lower end is provided with a third welding surface (21) exposed to the lower end surface of the second cylindrical body (19). The second metal shell (17) is cylindrical and has a second positioning groove (22) at the bottom for positioning with the second positioning base plate (18). The second insulating rubber core (15) is installed in the second metal shell (17).

6. The micro magnetic charging head according to claim 5, characterized in that: A third groove (23) is provided at the center of the top of the second cylindrical body (19) of the second insulating rubber core (15), and a fourth groove (24) is formed between the second cylindrical body (19) and the second metal shell (17).

7. The micro magnetic charging head according to claim 5, characterized in that: The second welding surface (12) is higher than the second positioning base plate (18), and both ends of the bottom of the second metal shell (17) are also higher than the second positioning base plate (18), and a fourth welding surface (25) is formed.

8. The micro magnetic charging head according to claim 5, characterized in that: The male PIN needle (16) comprises a male needle base (26) and a convex needle (20) which is retractably arranged in the male needle base (26), and a spring (27) is provided between the convex needle (20) and the male needle base (26).

Images