Magnetic type charging plug-in structure for shaver

Through the magnetic charging plug-in structure, the design of conductive buckles and conductive columns is used to solve the problem of inconvenient disassembly and assembly of the traditional electric shaver charging head, and a simple charging method and a safe installation process are realized.

CN223147193UActive Publication Date: 2025-07-25ZHEJIANG MEISEN ELECTRICAL APPLIANCE
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Patent Information

Application Number
CN202422347253.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-25
Publication Date
2025-07-25
Estimated Expiration
2034-09-25

AI Technical Summary

Technical Problem

The wireless charging structure of traditional electric shaver has the problem of disassembly and assembly of the charging head, easy to accumulate wires, and inconvenient installation.

Method used

Using a magnetically absorbed charging plug-in structure, by setting the first and second conductive buckles on the circuit board, and setting the conductive pins and conductive posts on the charging head, the electrical connection between the charging head and the charging base is achieved by using magnet adsorption, and combining the design of the flame retardant rubber sleeve and the insulation block, the installation stability and safety are ensured.

Benefits of technology

It realizes simple plugging of the charging head, avoids wire accumulation, improves installation efficiency, reduces the risk of fire, and is simple in structure and convenient in installation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a magnetic type charging plug-in structure for a shaver, which comprises a shaver handle, a cavity with an opening on one side is arranged in the shaver handle, a circuit board is arranged in the cavity, and the magnetic type charging plug-in structure is characterized in that a first conductive buckle and a second conductive buckle which are conductively plugged with the circuit board are arranged on the circuit board, and an end cover with one end inserted into the cavity is arranged on the shaver handle. The end cover is provided with a charging interface with an opening in one side, a charging head with one end exposed out of the charging interface is arranged in the end cover, one end of the charging head is provided with a conductive contact pin in conductive insertion connection with the first conductive buckle, the charging head is provided with a magnet capable of attracting the charging head to the charging base, and the charging head is provided with an insulating block. After the charging head and the charging base are magnetically attracted, the charging head is conductively connected with one electrode on the charging base, the conductive column is conductively connected with the other electrode on the charging base, the structure is simple, power connection is achieved through insertion of the conductive buckles, and installation is convenient.
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Description

Technical Field

[0001] The utility model relates to a magnetic - absorption type charging plug - in structure for a shaver.

Background Art

[0002] Electric shavers are already common tools in people's lives. Traditional electric shavers are generally charged through wires, connecting the shaver connector plug - in and the power supply through wires. After each use, the wires need to be properly stored, which is very inconvenient to use. With the rise of wireless charging, wireless charging functions have also been applied to shavers. Common wireless charging structures on the market, such as the magnetic - absorption type charging connector and its charging cable with the patent number 202311058726.6 and the name "Magnetic - absorption type charging connector and its charging cable", although they use a wireless charging connector, when the spring pins are connected to electricity, they are welded to the spring pins through conducting wires. This installation method makes the disassembly and assembly of the charging head relatively troublesome, and it is easy to cause problems with the conducting wires at the power - on head, and the assembly is inconvenient.

Content of the Utility Model

[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a magnetic - absorption type charging plug - in structure for a shaver with a simple structure.

[0004] To solve the above problems, the utility model adopts the following technical solutions:

[0005] A magnetic - absorption type charging plug - in structure for a shaver, including a shaver handle. A cavity with an opening on one side is provided inside the shaver handle, and a circuit board is provided inside the cavity. It is characterized in that: a first conductive buckle and a second conductive buckle that are conductively plugged into the circuit board are provided on the circuit board. An end - cover with one end inserted into the cavity is provided on the shaver handle. A charging interface with an opening on one side is provided on the end - cover. A charging head with one end exposed from the charging interface is provided inside the end - cover. A conductive pin that is conductively plugged into the first conductive buckle is provided at one end of the charging head. A magnet that can adsorb the charging head to a charging base is provided on the charging head. An insulating block is provided on the charging head, and a conductive column with one end conductively connected to the second conductive buckle is provided inside the insulating block. When the charging head is magnetically adsorbed to the charging base, the charging head is conductively connected to one electrode on the charging base, and the conductive column is conductively connected to the other electrode on the charging base.

[0006] As described above, a magnetic - absorption type charging plug - in structure for a shaver is characterized in that: a first jack formed by curling a copper sheet into a hollow cylindrical shape and for the conductive pin to be conductively inserted is provided on the first conductive buckle, and a second jack formed by curling a copper sheet into a hollow cylindrical shape and for one end of the conductive column to be conductively inserted is provided on the second conductive buckle.

[0007] A magnetic charging plug-in structure for a razor as described above, characterized in that: one end of the charging head inside the end cap is sleeved with a flame-retardant rubber sleeve, and one end of the insulating block is sleeved inside the flame-retardant rubber sleeve.

[0008] A magnetic charging plug-in structure for a razor as described above, characterized in that: the flame-retardant rubber sleeve is provided with positioning bumps, and the insulating block is provided with positioning grooves for the positioning bumps to be inserted into.

[0009] A magnetic charging plug-in structure for a razor as described above, characterized in that: the flame-retardant rubber sleeve is provided with a connecting piece, the connecting piece is provided with a first through hole for the conductive post to pass through, and the insulating block is provided with a second through hole for the conductive pin to pass through.

[0010] A magnetic charging plug-in structure for a razor as described above, characterized in that: one side of the charging head inside the end cap is provided with an annular magnet groove for the magnet to be installed, one side of the magnet groove is open, the flame-retardant rubber sleeve is provided with a positioning step for one end of the magnet to abut against, and the magnet is clamped by the positioning step and the magnet groove.

[0011] A magnetic charging plug-in structure for a razor as described above, characterized in that: an insulating seat is plugged at one end of the circuit board close to the charging head, and the insulating seat is provided with a plurality of installation holes for the first conductive buckle and the second conductive buckle to be inserted into one by one.

[0012] A magnetic charging plug-in structure for a razor as described above, characterized in that: the end of the end cap is provided with a plurality of elastic hooks, and the cavity is provided with a buckle groove for the elastic hooks to be buckled into.

[0013] A magnetic charging plug-in structure for a razor as described above, characterized in that: an inner frame is arranged in the cavity, a battery for supplying power to the circuit board is installed in the inner frame, one end of the inner frame is provided with an insertion sleeve, the insertion sleeve is inserted into the end cap, and the circuit board is arranged in the insertion sleeve.

[0014] A magnetic charging plug-in structure for a razor as described above, characterized in that: the inner side wall of the insertion sleeve is provided with a guiding convex edge, and the side wall of the insulating rubber seat is provided with a guiding slot for the guiding convex edge to be inserted into.

[0015] The beneficial effects of the present utility model are as follows: By providing a circuit board, the circuit board is welded well through wires. A first conductive buckle and a second conductive buckle are provided on the circuit board. A conductive pin is provided on the charging head and is conductively connected to the first conductive buckle, and is conductively connected to the second conductive buckle through a conductive column. In this way, the plug-and-play method is used for direct plugging and unplugging, which is convenient for installation. The charging head does not need to weld wires, and the wires will not accumulate on one side of the charging head. As long as the circuit board is installed in advance, the structure is simple and the installation is convenient; the first conductive buckle and the second conductive buckle are made by curling a copper sheet into a hollow cylindrical shape, with a simple structure and convenient for the plugging of the charging head and the conductive column; by providing a flame-retardant rubber sleeve, it is convenient for the installation of the charging head and at the same time convenient for the installation and positioning of the magnet, reducing the risk of fire; an insulating rubber seat is provided on one side of the circuit board, which is convenient for the installation of the first conductive buckle and the second conductive buckle, can protect the first conductive buckle and the second conductive buckle, and prevent them from falling off, etc., making the plugging stable.

Description of the Drawings

[0016] Figure 1 is a perspective view of the present utility model;

[0017] Figure 2 is a cross-sectional view of the present utility model:

[0018] Figure 3 is Figure 2 an enlarged view of part I of

[0019] Figure 4 is an exploded view of the present utility model;

[0020] Figure 5 is a perspective view of the components of the present utility model.

Detailed Embodiment

[0021] The following further describes the present utility model in detail in conjunction with the drawings and the specific embodiments:

[0022] Such as Figures 1 to 5As shown in the figure, a magnetic charging plug-in structure for a shaver includes a handle 1. In the figure, the handle 1 is a hollow cylindrical shape. The front end (or the upper end) is used to install the cutter head. There is a cavity 11 with an opening on one side inside the handle 1. In this embodiment, the opening of the cavity 11 is at the tail end. A circuit board 2 is arranged in the cavity 11. The circuit board 2 is electrically connected to the control circuit inside the handle 1 through a wire. The main function of the circuit board 2 is to simply conduct electrical signals. A first conductive buckle 3 and a second conductive buckle 4 that are electrically plugged into the circuit board 2 are arranged on the circuit board 2. One end of the first conductive buckle 3 and the second conductive buckle 4 can be fixed on the circuit board 2 by welding or other means. The other ends of the first conductive buckle 3 and the second conductive buckle 4 are for plugging or buckling. There is an end cap 5 with one end inserted into the cavity 11 on the handle 1. The end cap 5 extends out of the cavity 11 and blocks the opening of the cavity 11. A plurality of elastic hooks 52 are arranged at the end of the end cap 5. There is a buckle groove 12 in the cavity 11 for the elastic hooks 52 to be buckled into. A charging interface 51 with an opening on one side is arranged on the end cap 5. The charging interface 51 is exposed at the extending end of the end cap 5. A charging head 6 with one end exposed from the charging interface 51 is arranged inside the end cap 5. The charging head 6 is exposed to contact with the charging base. A conductive pin 60 that is electrically plugged into the first conductive buckle 3 is arranged at one end of the charging head 6. A magnet 61 that can adsorb the charging head 6 to the charging base is arranged on the charging head 6. An insulating block 7 is arranged on the charging head 6. A conductive column 8 with one end electrically connected to the second conductive buckle 4 is arranged inside the insulating block 7. The conductive column 8 is a copper column. When the charging head 6 is magnetically adsorbed to the charging base, the charging head 6 is electrically connected to one electrode on the charging base, and the conductive column 8 is electrically connected to the other electrode on the charging base, so as to connect to the power supply for charging.

[0023] For the convenience of production, a first jack 31 formed by curling a copper sheet into a hollow cylindrical shape and for the conductive pin 60 to be electrically inserted is arranged on the first conductive buckle 3. A second jack 41 formed by curling a copper sheet into a hollow cylindrical shape and for one end of the conductive column 8 to be electrically inserted is arranged on the second conductive buckle 4. One end of the copper sheet curls towards the other end to form a hollow cylindrical shape with both ends open. In this way, there is also a certain elastic force when it is squeezed and plugged with the conductive column 8 and the conductive pin 60.

[0024] For convenient installation, a flame-retardant rubber sleeve 62 is sleeved at one end of the charging head 6 inside the end cap 5. The flame-retardant rubber sleeve 62 has an annular card slot, and the charging head 6 is provided with an annular convex edge, which is squeezed and snapped into the annular card slot to achieve installation positioning. One end of the inner side of the charging interface 51 of the end cap 5 has an inner positioning step, and one end of the flame-retardant rubber sleeve 62 abuts against the inner positioning step. One end of the insulating block 7 is sleeved inside the flame-retardant rubber sleeve 62. The flame-retardant rubber sleeve 62 can be made of plastic, such as flame-retardant PP, flame-retardant ABS, etc. The flame-retardant rubber sleeve 62 is provided with a positioning convex block 63, and the insulating block 7 is provided with a positioning groove 71 for the positioning convex block 63 to insert, which is convenient for the positioning and installation of the insulating block 7 and prevents the insulating block 7 from rotating. The flame-retardant rubber sleeve 62 is provided with a connecting piece 64, and the connecting piece 64 is provided with a first through hole 65 for the conductive column 8 to pass through. The insulating block 7 is provided with a second through hole 72 for the conductive pin 60 to pass through. In this way, the conductive column 8 and the conductive pin 60 are stably installed, not easy to shake, and also convenient for alignment installation with the first conductive buckle 3 and the second conductive buckle 4.

[0025] For convenient magnet installation, an annular magnet groove 66 for the magnet 61 to be inserted is provided on one side of the charging head 6 inside the end cap 5. One side of the magnet groove 66 is open. The magnet 61 is circular and is inserted into the magnet groove 66 from the opening of the magnet groove 66. The flame-retardant rubber sleeve 62 is provided with a positioning step 67 for one end of the magnet 61 to abut against. The positioning step 67 and the magnet groove 66 clamp the magnet 61, and the magnet 61 protrudes from the opening end of the magnet groove 66 and abuts against the positioning step 67.

[0026] For convenient conductive connection, an insulating rubber seat 21 is inserted at one end of the circuit board 2 close to the charging head 6. The insulating rubber seat 21 is provided with a plurality of mounting holes 22 for the first conductive buckle 3 and the second conductive buckle 4 to be inserted one by one. The insulating rubber seat 21 is provided with a plurality of insertion posts, and the circuit board 2 is provided with a plurality of insertion holes for the insertion posts to be inserted. The insulating rubber seat 21 is a square block, and the first conductive buckle 3 and the second conductive buckle 4 are squeezed and inserted into the mounting holes 22, which has a guiding and protecting effect on the first conductive buckle 3 and the second conductive buckle 4.

[0027] An inner frame 13 is provided in the cavity 11, and a battery 14 is installed in the inner frame 13. One end of the inner frame 13 is provided with a socket 15, and the socket 15 is inserted into the end cap 5. The circuit board 2 is arranged in the socket 15. The inner frame 13 also has a control circuit board for charging the battery 14. The control circuit board and the circuit board 2 are respectively at both ends of the battery 14 and are installed through an inner frame 13, with a simple structure and convenient installation. Two guiding convex edges 16 are provided on the inner side wall of the socket 15, and two guiding slots 23 for the guiding convex edges 16 to be inserted are provided on the side wall of the insulating rubber seat 21, which is convenient for positioning and installation. The circuit board 2 can also be provided with grooves for the guiding convex edges 16 to be inserted.

Claims

1. A magnetic charging plug-in structure for a razor, comprising a handle (1), wherein a cavity (11) with an opening on one side is arranged in the handle (1), and a circuit board (2) is arranged in the cavity (11), and it is characterized in that: On the described circuit board (2), there are a first conductive buckle (3) and a second conductive buckle (4) that are conductively plugged into the circuit board (2). On the handle (1), there is an end cap (5) with one end inserted into the cavity (11). On the end cap (5), there is a charging interface (51) with an opening on one side. Inside the end cap (5), there is a charging head (6) with one end exposed from the charging interface (51). One end of the charging head (6) is provided with a conductive pin (60) that is conductively plugged into the first conductive buckle (3). On the charging head (6), there is a magnet (61) that can adsorb the charging head (6) to the charging base. On the charging head (6), there is an insulating block (7). Inside the insulating block (7), there is a conductive column (8) with one end conductively connected to the second conductive buckle (4). When the charging head (6) is magnetically attracted to the charging base, the charging head (6) is conductively connected to one electrode on the charging base, and the conductive column (8) is conductively connected to the other electrode on the charging base.

2. The magnetic charging plug-in structure for a razor according to claim 1, characterized in that: On the first conductive buckle (3), there is a first jack (31) formed by curling a copper sheet into a hollow cylindrical shape for the conductive pin (60) to be conductively inserted. On the second conductive buckle (4), there is a second jack (41) formed by curling a copper sheet into a hollow cylindrical shape for one end of the conductive column (8) to be conductively inserted.

3. The magnetic charging plug-in structure for a razor according to claim 1, wherein: One end of the charging head (6) inside the end cap (5) is sleeved with a flame-retardant rubber sleeve (62). One end of the insulating block (7) is sleeved inside the flame-retardant rubber sleeve (62).

4. A magnetic charging plug-in structure for a razor according to claim 3, wherein: Inside the flame-retardant rubber sleeve (62), there is a positioning protrusion (63). On the insulating block (7), there is a positioning groove (71) for the positioning protrusion (63) to be inserted into.

5. The magnetic charging plug-in structure for a razor according to claim 3, characterized in that: On the flame-retardant rubber sleeve (62), there is a connecting piece (64). On the connecting piece (64), there is a first through hole (65) for the conductive column (8) to pass through. On the insulating block (7), there is a second through hole (72) for the conductive pin (60) to pass through.

6. The magnetic charging plug-in structure for a razor according to claim 3, wherein: On one side of the charging head (6) inside the end cap (5), there is an annular magnet groove (66) for the magnet (61) to be installed. One side of the magnet groove (66) is open. On the flame-retardant rubber sleeve (62), there is a positioning step (67) for one end of the magnet (61) to abut against. The positioning step (67) and the magnet groove (66) clamp the magnet (61).

7. A magnetic charging plug-in structure for a razor according to claim 1, characterized in that: Near one end of the charging head (6) on the circuit board (2), an insulating rubber seat (21) is plugged in. On the insulating rubber seat (21), there are a plurality of mounting holes (22) for the first conductive buckle (3) and the second conductive buckle (4) to be inserted one by one.

8. The magnetic charging plug-in structure for a razor according to claim 1, characterized in that: At the end of the end cap (5), there are a plurality of elastic hooks (52). Inside the cavity (11), there is a buckle groove (12) for the elastic hooks (52) to be snapped into.

9. The magnetic charging plug-in structure for a shaver according to claim 7, characterized in that: An inner frame (13) is provided in the cavity (11). A battery (14) is installed in the inner frame (13). One end of the inner frame (13) is provided with a socket (15). The socket (15) is inserted into the end cover (5). The circuit board (2) is arranged in the socket (15).

10. A magnetic charging plug-in structure for a razor according to claim 9, characterized in that: A guiding convex edge (16) is provided on the inner side wall of the socket (15). A guiding slot (23) for inserting the guiding convex edge (16) is provided on the side wall of the insulating rubber seat (21).

Citation Information

Patent Citations

  • Magnetic type charging connector and charging wire thereof

    CN117134152A