Magnetic charging head

Abstract

The application relates to the technical field of charging heads, in particular to a magnetic suction type charging head which comprises a magnetic suction socket, the magnetic suction socket comprises a socket shell and a PCB board and a magnetic suction seat rubber core arranged in the socket shell, a first row of terminal structures, a second row of terminal structures and a third row of terminal structures are arranged in the magnetic suction seat rubber core, each row of terminal structures is respectively provided with four, three and four elastic conductive terminals, one end of the elastic conductive terminal extends out of the top of the magnetic suction seat rubber core, and the other end of the elastic conductive terminal extends out of the bottom of the magnetic suction seat rubber core and is fixedly connected with the PCB board. In the application, the elastic conductive terminals adopt a three-row arrangement mode, are respectively 4 / 3 / 4, and form a total of 11 PIN terminal structures, the structure can reduce the product size, can pass large current and meets the fast charging requirement of a high-power PD.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of charging head, in particular to a magnetic charging head. BACKGROUND

[0002] The magnetic data line connector relies on the magnetic attraction of the magnet to separate the traditional data line connector and the line body, and the two are automatically attracted within a certain distance through magnetism, so the magnetic data line is also called magnetic line, magnetic data line, magnetic charging line, etc. This can realize single-handed plugging of the data line, and in actual use, the magnetic charging line is safer than the ordinary data line.

[0003] The existing magnetic charging head is generally composed of a plug and a socket, the plug and the socket are connected by magnetic attraction, and the transmission of current is realized through the elastic conductive terminals in the socket. At present, the single-row terminal design is adopted in the magnetic socket, and the product structure area size is large. Moreover, the plug matched with the socket is designed with corresponding single-row contact points, which easily leads to slow charging or data transmission speed, cannot pass large current, and low power. SUMMARY

[0004] In view of the deficiencies in the prior art, the present application aims to provide a magnetic charging head.

[0005] The purpose of the present application can be achieved by the following technical solution: a magnetic charging head, comprising a magnetic socket, the magnetic socket comprising a socket shell, a PCB board arranged inside the socket shell, and a magnetic socket rubber core, the magnetic socket rubber core being provided with a first row of terminal structures, a second row of terminal structures, and a third row of terminal structures, each row of terminal structures being provided with four, three, and four elastic conductive terminals respectively, one end of the elastic conductive terminal extending out of the top of the magnetic socket rubber core, and the other end of the elastic conductive terminal extending out of the bottom of the magnetic socket rubber core and being fixedly connected with the PCB board.

[0006] Preferably, the magnetic charging head further comprises a magnetic plug matched with the magnetic socket, the magnetic plug comprising a plug socket and a plug end, the plug socket being provided with female plug pins corresponding to the elastic conductive terminals.

[0007] Preferably, the plug end is a Type-c plug, a Micro-USB plug, or a Lightning plug.

[0008] Preferably, the magnetic socket rubber core and the plug socket are both embedded with magnets.

[0009] Preferably, the magnetic socket rubber core is provided with grooves symmetrically on both sides.

[0010] Preferably, the edge of the PCB is provided with a first slot, a second slot and a third slot, the three elastic conductive terminals of the second terminal structure are respectively inserted into the first slot, the second slot and the third slot, and the PCB is provided with terminal pads for welding the elastic conductive terminals on the front and back surfaces.

[0011] Preferably, the terminal pin numbers of the terminal pads on the front surface of the PCB are GND, A7, A6, A5, VBUS, B5, GND from top to bottom, and the terminal pin numbers of the terminal pads on the back surface of the PCB are GND, B5, VBUS, A5, A6, A7, GND from top to bottom.

[0012] Preferably, the horizontal center distances of the adjacent elastic conductive terminals are L1, L2, L3, L4, L5, L6 in sequence, and L1=L3=L4=L6=1.1mm, L2=L5=1.25mm.

[0013] The beneficial effects of the present application are that the elastic conductive terminals in the present application adopt a three-row arrangement, 4 / 3 / 4 respectively, to form a total of 11 PIN terminal structure, which can reduce the product size and pass large current to meet the fast charging requirements of high-power PD. BRIEF DESCRIPTION OF DRAWINGS

[0014] The present application is further described with reference to the accompanying drawings, but the embodiments in the drawings do not constitute any limitation on the present application. For ordinary skilled in the art, other drawings can be obtained without creative labor on the basis of the following drawings.

[0015] Figure 1 It is a magnetic socket structure schematic diagram of the magnetic charging head of the present application.

[0016] Figure 2 It is a magnetic plug structure schematic diagram of the magnetic charging head of the present application.

[0017] Figure 3 It is a right view of the magnetic socket of the magnetic charging head of the present application.

[0018] Figure 4 It is a front view of the magnetic socket of the magnetic charging head of the present application.

[0019] Figure 5 It is a top view of the magnetic socket of the magnetic charging head of the present application.

[0020] Figure 6 It is a bottom view of the magnetic socket of the magnetic charging head of the present application.

[0021] Figure 7 It is a PCB structure schematic diagram of the magnetic charging head of the present application.

[0022] Figure 8 Figure 1 is a schematic diagram of the front terminal pad distribution of a PCB of a magnetic charging head according to the present application.

[0023] Figure 9 Figure 2 is a schematic diagram of the back terminal pad distribution of a PCB of a magnetic charging head according to the present application.

[0024] The reference signs shown in the figure are as follows: 1, PCB; 101, first slot; 102, second slot; 103, third slot; 104, terminal pad; 2, groove; 3, magnetic attraction seat glue core; 4, first row of terminal structure; 5, second row of terminal structure; 6, third row of terminal structure; 7, plug seat; 8, tail female pin; 9, plug end. DETAILED DESCRIPTION

[0025] It should be noted that if the present application embodiments involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), if the specific posture changes, then the directional indications also change accordingly.

[0026] In addition, if the present application embodiments involve descriptions of "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it, when the combination of technical solutions contradicts each other or cannot be realized, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection claimed by the present application.

[0027] The technical solutions of the present application will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person skilled in the art without creative labor are within the scope of protection of the present application.

[0028] Reference Figures 1 to 9As shown, the structure of the application is: a magnetic charging head, comprising a magnetic socket, the magnetic socket comprises a socket shell and a PCB board 1 and a magnetic seat rubber core 3 arranged inside the socket shell, the magnetic seat rubber core 3 is provided with a first row of terminal structure 4, a second row of terminal structure 5 and a third row of terminal structure 6, each row of terminal structure is provided with four, three and four elastic conductive terminals respectively, one end of the elastic conductive terminal extends out of the top of the magnetic seat rubber core 3, the other end of the elastic conductive terminal extends out of the bottom of the magnetic seat rubber core 3 and is fixedly connected with the PCB board 1. Specifically, the elastic conductive terminals adopt a three-row arrangement, which are 4 / 3 / 4 respectively, forming a total of 11 PIN terminal structure, which can reduce the product size and pass large current, meeting the fast charging requirements of high-power PD.

[0029] Further as Figure 2 shown, it also comprises a magnetic plug matched with the magnetic socket, the magnetic plug comprises a plug seat 7 and a plug end 9, the plug seat 7 is provided with a female pin 8 corresponding to the elastic conductive terminal.

[0030] Further, the plug end 9 is a Type-c plug or a Micro-USB plug or a Lightning plug. One magnetic socket can be connected to three different magnetic plugs, which has simple structure, low cost and convenient use.

[0031] Further, the magnetic seat rubber core 3 and the plug seat 7 are both embedded with magnets, and the magnetic seat rubber core 3 and the plug seat 7 are attracted to each other by magnetic attraction, which is convenient for charging use.

[0032] Further as Figure 1 shown, the magnetic seat rubber core 3 is provided with a groove 2 on both sides, the groove 2 is used for limiting the socket shell, and the special-shaped position after glue injection is beneficial to improve the stability of the socket shell and the magnetic seat rubber core 3.

[0033] As Figure 7 , Figure 8 , Figure 9 shown, the edge of the PCB board 1 is provided with a first slot 101, a second slot 102 and a third slot 103, the three elastic conductive terminals of the second row of terminal structure 5 are respectively inserted into the first slot 101, the second slot 102 and the third slot 103, and the PCB board 1 is provided with a terminal pad 104 for welding the elastic conductive terminal on the front and back surfaces. Specifically, by matching the three elastic conductive terminals of the second row of terminal structure 5 with the corresponding slots, the first row of terminal structure 4 and the third row of terminal structure 6 are located on both sides of the PCB board 1, and each elastic conductive terminal is welded with the corresponding terminal pad 104, which can improve the connection stability of the elastic conductive terminal and the PCB board 1.

[0034] Further as Figure 8 , Figure 9As shown, the terminal pin numbers of the terminal pads 104 on the front side of the PCB 1 are GND, A7, A6, A5, VBUS, B5, GND from top to bottom, and the terminal pin numbers of the terminal pads 104 on the back side of the PCB 1 are GND, B5, VBUS, A5, A6, A7, GND from top to bottom. Specifically, GND represents a ground negative terminal, VBUS represents a power supply positive terminal, and the functions of A7 / A6 / A5 / B5 are defined as D- / D+ / CC / VCC.

[0035] Further as shown in FIG. 3, Figure 5 As shown, the horizontal center distances of the adjacent elastic conductive terminals are L1, L2, L3, L4, L5, and L6 in sequence, and L1=L3=L4=L6=1.1 mm and L2=L5=1.25 mm.

[0036] In the magnetic charging head, the elastic conductive terminals are arranged in three rows, 4 / 3 / 4 respectively, to form a total of 11 PIN terminal structures. This structure can reduce the product size and pass large current to meet the fast charging requirements of high-power PD. In specific use, the corresponding plug-in end 9 is matched with the magnetic socket through magnetic attraction, the plug-in end 9 is connected to the electronic product to realize charging.

[0037] The above further describes the present application with specific embodiments, but it should be understood that the specific description herein should not be understood as limiting the essence and scope of the present application. Various modifications to the above embodiments made by those skilled in the art after reading the present specification all fall within the scope of the present application.

Claims

1. A magnetic charging head, characterized in that: The magnetic socket comprises a socket shell, a PCB board (1) and a magnetic socket rubber core (3) arranged inside the socket shell, the magnetic socket rubber core (3) is internally provided with a first row of terminal structures (4), a second row of terminal structures (5) and a third row of terminal structures (6), each row of terminal structures is respectively provided with four, three and four elastic conductive terminals, one end of the elastic conductive terminal extends out of the top of the magnetic socket rubber core (3), the other end of the elastic conductive terminal extends out of the bottom of the magnetic socket rubber core (3) and is fixedly connected with the PCB board (1); The edge of the PCB board (1) is provided with a first slot (101), a second slot (102) and a third slot (103), the three elastic conductive terminals of the second row of terminal structures (5) are respectively inserted into the first slot (101), the second slot (102) and the third slot (103), the PCB board (1) is provided with terminal pads (104) for welding the elastic conductive terminals on the front and back surfaces; the transverse center distances of adjacent elastic conductive terminals are L1, L2, L3, L4, L5 and L6 in sequence, and L1=L3=L4=L6=1.1mm, L2=L5=1.25mm.

2. The magnetic charging head of claim 1, wherein: The magnetic socket is matched with a magnetic plug, the magnetic plug comprises a plug seat (7) and a plug end (9), the plug seat (7) is internally provided with tail end female contact pins (8) corresponding to the elastic conductive terminals.

3. The magnetic charging head of claim 2, wherein: The plug end (9) is a Type-c plug, a Micro-USB plug or a Lightning plug.

4. The magnetic charging head of claim 2, wherein: Magnets are embedded in the magnetic socket rubber core (3) and the plug seat (7).

5. The magnetic charging head of claim 1, wherein: The magnetic socket rubber core (3) is symmetrically provided with grooves (2) on both sides.

6. The magnetic charging head of claim 1, wherein: The terminal pin sequence of the terminal pads (104) on the front surface of the PCB board (1) is GND, A7, A6, A5, VBUS, B5 and GND from top to bottom, and the terminal pin sequence of the terminal pads (104) on the back surface of the PCB board (1) is GND, B5, VBUS, A5, A6, A7 and GND from top to bottom.

Images