CN111525652A - Waterproof interface that charges - Google Patents

Abstract

The invention discloses a waterproof charging interface embedded in a shell, wherein the shell is provided with an accommodating cavity for accommodating the waterproof charging interface, and the accommodating cavity is provided with an opening communicated with the outside. The waterproof interface that charges includes the mounting panel, the terminal, metal sheath and waterproof circle, the one end of terminal is inserted and is arranged in on the mounting panel, the other end of terminal stretches out towards open-ended direction, metal sheath's one end is cup jointed on the outer fringe of terminal, metal sheath's the other end stretches out towards the opening and flushes with the opening, metal sheath sets up the accommodation space with the opening intercommunication, the terminal still is located accommodation space, waterproof circle cup joints in metal sheath's outer fringe, mounting panel and shell fixed connection, waterproof circle supports to press between the inner wall of mounting panel and shell. Therefore, the waterproof charging interface can prevent moisture from entering the shell from the opening and prevent the moisture from invading to corrode other parts in the shell.

Description

Waterproof charging interface

technical field

The invention relates to the field of connectors, in particular to a waterproof charging connector.

Background technique

With the development of science and technology and the progress of humanities, electronic products gradually occupy people's work and life. As we all know, electronic products need to be fully charged to ensure normal use. Electronic products on the market are equipped with charging ports for connecting with a charging data cable for charging.

At present, the charging interface of some electronic products on the market is not waterproof, and the charging interface of some electronic products has a weak waterproof effect. This is because the internal charging interface is not provided with a waterproof structure or the design of the waterproof structure is unreasonable.

Therefore, there is an urgent need for a waterproof charging interface capable of effectively waterproofing to overcome the above drawbacks.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a waterproof charging interface that can effectively waterproof.

In order to achieve the above purpose, the waterproof charging interface of the present invention is embedded in a casing, and the casing defines a receiving cavity for accommodating the waterproof charging interface, and the receiving cavity has an opening communicating with the outside. The waterproof charging interface of the present invention includes a mounting plate, a terminal, a metal sheath and a waterproof ring. One end of the terminal is inserted on the mounting plate, and the other end of the terminal extends toward the opening. One end of the metal sheath is sleeved on the outer edge of the terminal, and the other end of the metal sheath protrudes toward the opening and is flush with the opening. The metal sheath is provided with an accommodating space communicating with the opening, and the terminal is also located in the accommodating space. The waterproof ring is sleeved on the outer edge of the metal sheath, the mounting plate is fixedly connected with the casing, and the waterproof ring is pressed between the mounting plate and the inner wall of the casing.

Preferably, lateral inward grooves are provided on both sides of the bottom of the mounting plate, threaded holes are provided through the mounting plate, and the mounting plate is threadedly connected to the threaded hole by a screw to be connected to the threaded hole. The casing is fixedly connected, the threaded hole is arranged opposite to the groove, and the screw is inserted into the threaded hole and the groove at the same time.

Preferably, the metal sheath is an annular structure connected end to end; the waterproof ring is an annular structure connected end to end, the inner wall of the waterproof ring is close to the outer wall of the metal sheath; the waterproof ring Flexible.

Preferably, the waterproof charging interface is a Type-C interface, a Lightning interface or a Micro interface.

Preferably, the mounting plate includes a base plate and an insulating plate, the base plate, the insulating plate and the waterproof ring are stacked in sequence along the direction toward the opening, and the waterproof ring is pressed against the insulating plate and the waterproof ring. Between the inner walls of the casing; between the base plate and the insulating plate, there is also a positioning structure for positioning relative to each other.

Preferably, the inner wall of the casing is provided with an annular boss protruding in a direction away from the opening, and the waterproof ring is pressed against the annular boss.

Preferably, it also includes a magnetic attraction piece and a metal protective cap, the magnetic attraction piece is sleeved on the periphery of the metal sheath, the metal protective cap is sleeved on the periphery of the magnetic attraction piece, and the metal protective cap is sleeved. The bottom of the cap is against the bottom of the magnetic element, and the waterproof ring is sleeved on the periphery of the metal protective cap.

Preferably, an annular second stepped structure is formed at the junction between the metal sheath and the mounting plate when the metal sheath is sleeved on the terminal, and the magnetic attraction piece is located in the second stepped structure, so When the magnetic element is sleeved on the metal sheath, the outer ring of the magnetic element is flush with the outer ring of the second stepped structure.

Preferably, the metal protective cap comprises an annular sleeve body, a first extension ring and a second extension ring, the annular sleeve main body is vertically arranged with the first extension ring and the second extension ring, the first extension ring A ring is located at one end of the annular sleeve body and extends outward along the side of the annular sleeve body, and the second extension ring is located at the other end of the annular sleeve body and faces inward along the side of the annular sleeve body extend.

Preferably, the first extension ring is sandwiched between the mounting plate and the waterproof ring, and the magnetic element is carried on the second extension ring.

Compared with the prior art, the waterproof charging interface of the present invention is pressed between the mounting plate and the casing by means of a waterproof ring, thereby preventing moisture from entering the casing through the opening, and preventing moisture intrusion from eroding other parts in the casing.

Description of drawings

FIG. 1 is a schematic cross-sectional view of the waterproof charging interface of the first embodiment of the present invention applied to a beauty stick.

FIG. 2 is a schematic cross-sectional view of FIG. 1 after removing the outer shell of the beauty stick.

3 is a schematic cross-sectional view of the waterproof charging interface according to the first embodiment of the present invention.

FIG. 4 is an enlarged schematic view at A of FIG. 1 .

FIG. 5 is an enlarged schematic view at B of FIG. 2 .

FIG. 6 is a schematic three-dimensional structural diagram of the waterproof charging interface according to the first embodiment of the present invention.

FIG. 7 is a schematic three-dimensional structural diagram of the waterproof charging interface according to the first embodiment of the present invention from another perspective.

FIG. 8 is a schematic exploded view of the structure of the waterproof charging interface according to the first embodiment of the present invention.

FIG. 9 is a schematic cross-sectional view of the waterproof charging interface of the second embodiment of the present invention applied to a breast pump.

FIG. 10 is an enlarged schematic view of C in FIG. 9 .

11 is a schematic three-dimensional structural diagram of a waterproof charging interface according to a second embodiment of the present invention.

12 is a schematic three-dimensional structural diagram of a waterproof charging interface according to a second embodiment of the present invention.

13 is a schematic exploded view of the structure of the waterproof charging interface according to the second embodiment of the present invention.

14 is a schematic cross-sectional view of the waterproof charging interface of the third embodiment of the present invention applied to a breast pump.

FIG. 15 is an enlarged schematic diagram of the point D of FIG. 14 .

16 is a schematic three-dimensional structural diagram of a waterproof charging interface according to a third embodiment of the present invention.

17 is a schematic three-dimensional structural diagram of a charging cable plug corresponding to the waterproof charging interface according to the third embodiment of the present invention.

FIG. 18 is an enlarged schematic view of the position E of FIG. 17 .

FIG. 19 is a schematic exploded view of the structure of the waterproof charging interface according to the third embodiment of the present invention.

20 is a schematic cross-sectional view of the waterproof charging interface of the third embodiment of the present invention applied to a juicer.

21 is a schematic cross-sectional view of the waterproof charging interface of the third embodiment of the present invention applied to a humidifier.

22 is a schematic cross-sectional view of the waterproof charging interface of the third embodiment of the present invention applied to a breast pump.

23 is a schematic cross-sectional view of the waterproof charging interface of the third embodiment of the present invention applied to a disinfection lamp.

Detailed ways

In order to describe the technical content and structural features of the present invention in detail, further description will be given below with reference to the embodiments and the accompanying drawings.

Please refer to FIG. 1 to FIG. 8 , which show that the waterproof charging interface 100a according to the first embodiment of the present invention is applied to a beauty stick. The waterproof charging interface 100a of the first embodiment is embedded on the shell 200 of the beauty stick. The shell 200 defines a receiving cavity 201 for accommodating the waterproof charging interface. The receiving cavity 201 has an opening 202 communicating with the outside.

Please continue to refer to FIG. 1 to FIG. 8 , the waterproof charging interface 100 a according to the first embodiment of the present invention includes a mounting plate 1 , a terminal 2 , a metal sheath 3 and a waterproof ring 4 . One end of the terminal 2 is inserted on the mounting board 1 , and the other end of the terminal 2 protrudes toward the direction of the opening 202 . One end of the metal sheath 3 is sleeved on the outer edge of the terminal 2, and the other end of the metal sheath 3 protrudes toward the opening 202 and is flush with the opening 202. The metal sheath 3 is provided with an accommodation space 31 communicating with the opening 202. The terminal 2 is also located in the accommodating space 31 . The charging data cable is inserted into the metal sheath 3 to be electrically connected to the terminal 2 . The electrical connection method between the charging data cable and the terminal 2 is well known to those skilled in the art, so it is not repeated here. The waterproof ring 4 is sleeved on the outer edge of the metal sheath 3, the mounting plate 1 is fixedly connected with the casing 200, and the waterproof ring 4 is pressed between the mounting plate 1 and the inner wall of the casing 200. Therefore, water is prevented from entering the receiving cavity 201 from the charging port, and other components in the casing 200 are prevented from being damaged. Preferably, the waterproof ring 4 has elasticity, so that the fixed connection between the mounting plate 1 and the housing 200 is tighter, and at the same time, the waterproof ring 4 is more airtight and better to keep moisture out of the housing 200 . For example, the waterproof charging interface in this embodiment is a Micro interface. Of course, in other embodiments, the waterproof charging interface may be a Type-C interface or a Lightning interface, which is not limited thereto. It can be understood that, the shapes of the Type-C interface, Lightning interface or Micro interface are well known to those skilled in the art, so it is not limited thereto. More specifically, as follows:

Referring to FIGS. 3 to 8 , the mounting plate 1 includes a base plate 11 and an insulating plate 12 . The base plate 11 , the insulating plate 12 and the waterproof ring 4 are stacked in sequence along the direction toward the opening 202 . Specifically, the waterproof ring 4 is pressed between the insulating plate 12 and the inner wall of the housing 200 . The mounting plate 1 and the housing 200 are screwed together. Specifically, lateral inward grooves 121 are provided on both sides of the bottom of the mounting plate 1 , the mounting plate 1 is provided with threaded holes 13 therethrough, and the mounting plate 1 is threadedly connected to the housing 200 by a screw 14 and the threaded hole 13 . Fixed connection. The threaded hole 13 is disposed opposite to the groove 121 , and the screw 14 is inserted into the threaded hole 13 and the groove 121 at the same time. More specifically, the groove 121 is provided on the bottom surface of the insulating plate 12 . With the help of the groove 121, there is a certain distance between the mounting plate 1 and the housing 200, so that the waterproof ring 4 can be tightly fixed during screw connection, and because the waterproof ring 4 has a certain elasticity, so as to strengthen the waterproof protection effect and tightness. Preferably, there is also a positioning structure for positioning relative to each other between the base plate 11 and the insulating plate 12 . For example, in this embodiment, the substrate 11 has positioning holes 111 , the insulating plate 12 has positioning posts 122 aligned with the positioning holes 111 , and the positioning posts 122 are engaged with the positioning holes 111 to position the substrate 11 and the insulating plate 12 . Therefore, it is beneficial to the quick installation between the base plate 11 and the insulating plate 12 . Of course, in other embodiments, the base plate 11 has positioning posts 122 and the insulating plate 12 has positioning holes 111 , which can also allow quick and convenient installation between the base plate 11 and the insulating plate 12 , which is not limited thereto.

Please refer to FIG. 3 to FIG. 8 , the metal sheath 3 is an annular structure connected end to end. It is understandable that the waterproof charging interface in this embodiment is a Micro interface, so the cross-sectional shape of the metal sheath 3 is the shape of the corresponding Micro interface. Specifically, in this embodiment, the metal sheath 3 is provided with protruding pins 32 in a direction away from the opening 202 , and the mounting plate 1 is provided with a socket 15 for the pins 32 to pass through, and the pins 32 are inserted into the sockets. 15, so that the installation of the metal sheath 3 is more stable and reliable. The metal sheath 3 is prevented from loosening during multiple times of plugging and unplugging the data cable, so as to prolong the service life of the waterproof charging interface 100a of this embodiment, but not limited thereto.

Please refer to FIGS. 3 to 8 , the waterproof ring 4 is an annular structure connected end-to-end, and the inner wall of the waterproof ring 4 is close to the outer wall of the metal sheath 3, thereby preventing moisture from penetrating into the metal sheath 3 from the opening 202, blocking moisture into the receiving cavity 201 .

Referring to FIGS. 3 to 8 , the inner wall of the housing 200 is provided with an annular boss 203 protruding in a direction away from the opening 202 , and the waterproof ring 4 is pressed against the annular boss 203 . With the help of the annular boss 203, the waterproof ring 4 is pressed more tightly, thereby enhancing the waterproof effect.

Please refer to FIG. 9 to FIG. 13 , which illustrate that the waterproof charging port 100b according to the second embodiment of the present invention is applied to a breast pump. The waterproof charging interface 100b of the second embodiment is embedded in the casing 200 of the breast pump. The casing 200 defines a receiving cavity 201 for accommodating the waterproof charging interface. The receiving cavity 201 has an opening 202 communicating with the outside. The structure of the waterproof charging interface 100b of the second embodiment of the present invention is basically the same as that of the waterproof charging interface 100a of the first embodiment, and the differences are as follows:

First, the waterproof charging interface 100b in this embodiment is a Type-C interface.

Second, the metal sheath 3 of the waterproof charging interface 100b of this embodiment is not provided with the pins 32 . The terminal 2 included in the waterproof charging interface 100 b of this embodiment has a first annular stepped structure 21 , and the metal sheath 3 abuts below the first stepped structure 21 .

Apart from that, other structures of the waterproof charging interface 100b of this embodiment are the same as those of the waterproof charging interface 100a of the first embodiment, so they will not be repeated here.

Please refer to FIG. 14 to FIG. 19 , which show that the waterproof charging port 100c according to the third embodiment of the present invention is applied to a breast pump. The structure of the waterproof charging interface 100c of the third embodiment of the present invention is basically the same as that of the waterproof charging interface 100b of the second embodiment, and the differences are as follows:

First, the waterproof charging interface 100c of this embodiment further includes a magnetic element 5 and a metal protective cap 6 . And the bottom of the metal protective cap 6 is against the bottom of the magnetic attraction member 5 , and the waterproof ring 4 is sleeved on the periphery of the metal protective cap 6 . With the help of the magnetic element 5, the connection between the data cable and the terminal 2 in the metal sheath 3 is accelerated, and at the same time, the bottom of the metal protective cap 6 is in contact with the bottom of the magnetic attraction element 5. Therefore, when the data cable is charged from the waterproof of this embodiment, When the port 100c is pulled out, the magnetic attraction member 5 can be prevented from falling off. Preferably, a ring-shaped second stepped structure 33 is formed at the junction between the metal sheath 3 and the mounting plate 1 when the metal sheath 3 is sleeved on the terminal 2, and the magnetic attraction member 5 is located in the second stepped structure 33, and the magnetic attraction When the magnetic element 5 is sleeved on the metal sheath 3, the outer ring of the magnetic attraction element 5 is flush with the outer ring of the second stepped structure 33, so that the structure is compact, the space utilization is reasonable, and the waterproof ring 4 is more conveniently sleeved. So that the waterproof ring 4 is sleeved on the periphery of the metal protective cap 6 and also abuts below the mounting plate 1 . For example, the magnetic element 5 is a magnet, and the magnetic element 5 is a ring structure connected end to end.

Second, the metal protective cap 6 includes an annular sleeve body 61, a first extension ring 62 and a second extension ring 63. The annular sleeve body 61 is vertically arranged with the first extension ring 62 and the second extension ring 63. The first extension ring 62 Located at one end of the annular sleeve body 61 and extending outward along the lateral side of the annular sleeve body 61 , the second extension ring 63 is located at the other end of the annular sleeve main body 61 and extends inward along the lateral direction of the annular sleeve main body 61 . Specifically, the first extension ring 62 is sandwiched between the mounting plate 1 and the waterproof ring 4, so that the fixing position of the metal protective cap 6 is more stable and reliable; the magnetic attraction piece 5 is carried on the second extension ring 63, thereby preventing magnetic attraction The piece 5 falls out of the opening 202 . Preferably, the second extension ring 63 extends inward along the side of the annular sleeve body 61 to below the edge of the metal sheath 3 , so as to further prevent the magnetic element 5 from falling off from the opening 202 .

Besides, the waterproof charging interface 100c of the third embodiment is the same as the other structures of the waterproof charging interface 100b of the second embodiment, so it is not repeated here.

Please refer to FIG. 20 to FIG. 23 , which show schematic diagrams of the application of the waterproof charging interface 100c of the third embodiment of the present invention to a juicer, a humidifier, a breast pump and a sterilizing lamp, respectively.

It is worth noting that the application occasions of the waterproof charging ports 100a, 100b and 100c of the present invention include but are not limited to beauty bars, juice machines, humidifiers, breast pumps and disinfection lamps. Therefore, it is not limited by the above applications.

Compared with the prior art, the waterproof charging interface 100 of the present invention is pressed between the mounting plate 1 and the casing 200 by means of the waterproof ring 4, thereby preventing moisture from entering the casing 200 from the opening 202, and preventing moisture from entering the casing 200. Other parts are eroded.

The above disclosures are only preferred examples of the present invention, and cannot be used to limit the scope of rights of the present invention. Therefore, the equivalent changes made according to the claims of the present invention all belong to the scope covered by the present invention.

Claims (10)

1. A waterproof charging interface, which is embedded in a casing, the casing is provided with a receiving cavity for the waterproof charging interface to be accommodated, and the receiving cavity has an opening that communicates with the outside world, wherein the waterproof charging interface is The interface includes a mounting plate, a terminal, a metal sheath and a waterproof ring. One end of the terminal is inserted on the mounting plate, the other end of the terminal protrudes toward the opening, and one end of the metal sheath is sleeved On the outer edge of the terminal, the other end of the metal sheath protrudes toward the opening and is flush with the opening, the metal sheath is provided with a receiving space that communicates with the opening, and the terminal is also located In the accommodating space, the waterproof ring is sleeved on the outer edge of the metal sheath, the mounting plate is fixedly connected with the casing, and the waterproof ring is pressed against the mounting plate and the inner wall of the casing. between. 2 . The waterproof charging interface according to claim 1 , wherein the two sides of the bottom of the mounting plate are provided with lateral inward grooves, the mounting plate is provided with through-threaded holes, and the mounting plate is provided with threaded holes. 3 . The plate is fixedly connected to the housing by screwing a screw with the threaded hole, the threaded hole is arranged opposite to the groove, and the screw is inserted into the threaded hole and the groove at the same time. 3 . The waterproof charging interface according to claim 1 , wherein the metal sheath is an annular structure connected end to end; the waterproof ring is an annular structure connected end to end, and the inner ring of the waterproof ring is tightly walled. The outer wall of the metal sheath is attached; the waterproof ring has elasticity. 4 . The waterproof charging interface according to claim 1 , wherein the waterproof charging interface is a Type-C interface, a Lightning interface or a Micro interface. 5 . 5 . The waterproof charging interface according to claim 1 , wherein the mounting plate comprises a base plate and an insulating plate, and the base plate, the insulating plate and the waterproof ring are stacked in sequence along the direction toward the opening, and the 5 . The waterproof ring is pressed between the insulating plate and the inner wall of the casing; a positioning structure for positioning relative to each other is also provided between the base plate and the insulating plate. 6 . The waterproof charging interface according to claim 1 , wherein the inner wall of the casing is provided with an annular boss that protrudes in a direction away from the opening, and the waterproof ring is pressed against the annular boss. 7 . . 7 . The waterproof charging interface according to claim 1 , further comprising a magnetic attraction piece and a metal protective cap, the magnetic attraction piece is sleeved on the periphery of the metal sheath, and the metal protective cap is sleeved over the metal sleeve. 8 . The waterproof ring is sleeved on the periphery of the metal protective cap on the periphery of the magnetic attraction piece and the bottom of the metal protective cap is resisted under the magnetic adsorption piece. 8 . The waterproof charging interface according to claim 7 , wherein the junction between the metal sheath and the mounting plate forms an annular second stepped structure when the metal sheath is sleeved on the terminal. 9 . The magnetic attraction piece is located in the second stepped structure, and when the magnetic attraction piece is sleeved on the metal sheath, the outer circle of the magnetic attraction piece is flush with the outer circle of the second stepped structure. 9 . The waterproof charging interface according to claim 7 , wherein the metal protective cap comprises an annular sleeve body, a first extension ring and a second extension ring, and the annular sleeve main body is connected to the first extension ring. 10 . Vertically arranged with the second extension ring, the first extension ring is located at one end of the annular sleeve main body and extends outward along the side of the annular sleeve main body, and the second extension ring is located at the other side of the annular sleeve main body. one end and extending inwardly along the side of the collar body. 10 . The waterproof charging interface according to claim 9 , wherein the first extension ring is clamped between the mounting plate and the waterproof ring, and the magnetic element is carried on the second extension ring. 11 . superior.

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