TWI688167B - Waterproof connector - Google Patents

Abstract

A waterproof connector includes a metal shell, a waterproof kit and a circuit board. The metal shell having a plug-in opening and an install opening. The waterproof kit is setting in the metal shell and having a water retaining plate. The water retaining plate having a cutting seam. The circuit board is plugged into the cutting seam and the water retaining plate is fastened. The circuit board having a tongue plate and exposed to plug-in opening.

Description

Waterproof connector

The invention relates to a connector structure, and in particular to a waterproof connector.

Now that the electronics industry is well developed, various electronic devices are flooding the lives of the general public. In order to transmit control commands, multimedia data and even power, most electronic devices are equipped with one or more such as Universal Serial Bus (USB), High Definition Multimedia Interface (HDMI) Connectors.

However, when manufacturers develop connectors such as USB and HDMI, they do not consider their waterproof capabilities. However, the above connectors such as USB and HDMI still have a certain chance of encountering splashing water or humid environment. Therefore, how to improve the waterproof technology of connectors such as USB and HDMI to prevent the connectors of USB and HDMI from being damaged by moisture is the focus of the inventor's urgent research and development.

In view of this, the present inventors have made great efforts to study the above-mentioned prior art and cooperate with the application of academic principles, and try their best to solve the above-mentioned problems, which becomes the development goal of the present inventors.

The invention provides a waterproof connector, which is provided with a water blocking piece between the installation port and the circuit board, so that the waterproof connector has a good waterproof technology, to prevent the waterproof connector from being damaged by moisture when it is splashed or the environment is wet.

In an embodiment of the present invention, the present invention provides a waterproof connector, including: a metal shell with a plug interface at one end and a mounting port at the other end; a waterproof kit sleeved on the metal shell, the waterproof kit has A water blocking sheet covering and closing the installation opening, the water blocking sheet is provided with a cutting slit; and a circuit board is inserted in the cutting slit and is tightened by the water blocking sheet, and one end of the circuit board is exposed to the plug A tongue plate of the interface; wherein, the mounting port has a rim end, a plurality of plug pins extend from the rim end, the water blocking sheet is provided with a plurality of slits, and the circuit board is provided with a plurality of positioning grooves for the plate, the The plug pins of the metal shell are inserted into the slits and are inserted into the positioning grooves of the circuit board so as to be opposite to each other and positioned with each other.

In an embodiment of the present invention, the present invention provides a waterproof connector, including: a metal shell with a plug interface at one end and a mounting port at the other end; a waterproof kit sleeved on the metal shell, the waterproof kit has A water blocking sheet covering and closing the installation opening, the water blocking sheet is provided with a cutting slit; and a circuit board is inserted in the cutting slit and is tightened by the water blocking sheet, and one end of the circuit board is exposed to the plug A tongue plate of the interface; wherein, the mounting port has a rim end, the rim end has a top section and a bottom section opposite to each other, the top section and the bottom end section respectively extend towards the socket interface at least An L-shaped support foot, the plurality of L-shaped support feet abut on the upper and lower surfaces of the tongue plate, the waterproof kit further has a ring sleeve looped around the outer periphery of the water blocking sheet, and the end of the ring sleeve is opened inward There is an annular groove, and the rim end is fitted into the annular groove.

Based on the above, a water blocking sheet is provided between the installation port and the circuit board. The water blocking sheet covers and closes the installation port. When the circuit board is inserted into the cutting seam, it will be tightened by the water blocking sheet, so that the self-insertion interface penetrates into the metal shell. Liquid or moisture will be blocked by the water blocking sheet, so that the waterproof connector has good waterproof technology to avoid The water connector is damaged by moisture due to splashing water or humid environment.

10: kinds of waterproof connectors

1: metal shell

11: Plug interface

12: Installation port

121: Marginal end

122: top section

123: bottom section

13: plug pin

14: L-shaped support feet

2: waterproof kit

21: Waterstop

211: Cutting seam

212: slit

213: inner wall surface

214: Depression groove

22: Loop

221: Ring groove

222: convex column

3: circuit board

31: tongue plate

311: guide part

32: Board positioning groove

4: Shielding shell

1 is an exploded perspective view of the waterproof connector of the present invention.

2 is another exploded perspective view of the waterproof connector of the present invention.

FIG. 3 is a perspective assembly view of the waterproof connector of the present invention.

FIG. 4 is another perspective assembled view of the waterproof connector of the present invention.

5 is a schematic cross-sectional view of the waterproof connector of the present invention.

FIG. 6 is another perspective assembly view of the waterproof connector of the present invention.

7 is an exploded perspective view of another embodiment of the waterproof connector of the present invention.

8 is an exploded perspective view of another embodiment of the waterproof connector of the present invention.

9 is a schematic cross-sectional view of another embodiment of the waterproof connector of the present invention.

The detailed description and technical content of the present invention will be described below in conjunction with the drawings. However, the drawings are only for illustrative purposes and are not intended to limit the present invention.

Please refer to FIGS. 1 to 5. The present invention provides a waterproof connector. The waterproof connector 10 mainly includes a metal shell 1, a waterproof kit 2 and a circuit board 3.

As shown in FIGS. 1 to 5, the metal shell 1 has a plug interface 11 at one end and a mounting port 12 at the other end. The mounting port 12 has a rim end 121, and a plurality of plug pins 13 extend from the rim end 121. The edge 121 has a top end section 122 and a bottom end section 123 opposite to each other. The top end section 122 and the bottom end section 123 respectively extend toward the socket 11 with one or more L-shaped support legs 14 that can be stably supported The metal shell 1 also increases the structural strength of the metal shell 1 to prevent the metal shell 1 from being deformed when subjected to force.

As shown in FIGS. 1 to 5, the waterproof kit 2 is made of flexible waterproof materials such as rubber and silicon rubber. The waterproof kit 2 is sleeved on the metal shell 1. The waterproof kit 2 has a water-retaining sheet covering and closing the installation opening 12. 21. The water blocking sheet 21 is provided with a cutting slit 211 and a plurality of cutting slits 212. Wherein, the cutting slit 211 and the cutting slit 212 are respectively formed by cutting marks that cut through the water blocking sheet 21, so there will be no obvious holes or gaps when the cutting slit 211 and the cutting slit 212 are not worn.

The detailed description is as follows. The waterproof kit 2 further has a ring sleeve 22 that is looped around the outer periphery of the water blocking sheet 21. The ring sleeve 22 is sleeved on the rim end 121, and the water blocking sheet 21 has an inner wall surface 213, and the inner wall surface 213 is provided with In the plurality of concave grooves 214, the rim end 121 abuts against the inner wall surface 213, and the plurality of L-shaped support legs 14 are fitted into the plurality of concave grooves 214 and abut on the upper and lower surfaces of the tongue plate 31.

As shown in FIGS. 1 to 5, the circuit board 3 is inserted into the cutting slit 211 and is tightly bound by the water blocking sheet 21. One end of the circuit board 3 has a tongue plate 31 exposed to the insertion port 11. The tongue plate 31 is above and below The surface is provided with a plurality of guide portions 311. Among them, the circuit board 3 is a printed circuit board conforming to USB, HDMI and other specifications, and the guide portion 311 is a gold finger conforming to USB, HDMI and other specifications.

In addition, the circuit board 3 is further provided with a plurality of board positioning grooves 32, and each plug pin 13 of the metal shell 1 is inserted into each slit 212 and is tightly tightened by the water blocking sheet 21, each plug pin 13 and the circuit board 3 The positioning grooves 32 of each board are inserted into each other to position each other, so that the metal shell 1, the circuit board 3 and the waterproof kit 2 are assembled into the waterproof connector 10 with each other.

It is further described as follows. In this embodiment, the number of slits 212 is two pairs, the number of the plug pins 13 and the plate positioning groove 32 are two, and the two plug pins 13 are respectively from the left and right of the edge 121 The side protrusions are formed and two protruding pieces are extended at the ends. Two pairs of slits 212 are arranged on the left and right sides of the cutting slot 211 and provide two protruding pieces for inserting the ends of each pin 13. The two plate positioning grooves 32 They are arranged on the left and right sides of the tongue plate 31.

As shown in FIGS. 3 to 5, the waterproof connector 10 of the present invention is in use. The water blocking sheet 21 and the slit 212 are provided between the mounting port 12 and the circuit board 3. The water blocking sheet 21 covers and closes installation Port 12, the circuit board 3 will be tightened by the water blocking sheet 21 when it is inserted into the cutting slit 211, and the tab at the end of each plug pin 13 will be tightened by the water blocking sheet 21 when inserted into each slit 212, so that The liquid or moisture infiltrated into the metal shell 1 from the plug-in interface 11 will be blocked by the water blocking sheet 21, so that the waterproof connector 10 has a good waterproof technology to prevent the waterproof connector 10 from being damaged by moisture due to splashing water or humid environment.

Please refer to FIG. 6, which is another embodiment of the waterproof connector 10 of the present invention. The embodiment of FIG. 6 is substantially the same as the embodiment of FIGS. 1 to 5, but the embodiment of FIG. 6 is the same as that of FIGS. 1 to 5. The embodiment is different in that the waterproof connector 10 further includes a shielding shell 4.

The detailed description is as follows. The shielding shell 4 is sleeved on the metal shell 1 and wraps around the metal shell 1, so as to form a shielding layer around the tongue plate 31 and the metal shell 1 to avoid signal loss of the transmitted high-frequency signal (Loss) to prevent the signal of the electrical connector from attenuating during the transmission line.

In addition, the ring sleeve 22 is filled between the shielding shell 4 and the metal shell 1 to prevent liquid or moisture from seeping into the interior of the waterproof connector 10 from the gap between the shielding shell 4 and the metal shell 1 and further strengthen the waterproofing of the waterproof connector 10 effect.

Please refer to FIG. 7 to FIG. 9, which is another embodiment of the waterproof connector 10 of the present invention. The embodiment of FIG. 7 to FIG. 9 is substantially the same as the embodiment of FIG. 1 to FIG. 5, but the embodiment of FIG. 7 to FIG. The embodiment is different from the embodiments of FIGS. 1 to 5 in that the assembly structure of the metal shell 1 and the waterproofing kit 2 is different.

Further description is as follows. The end of the ring sleeve 22 defines an annular groove 221 inwardly. The rim end 121 is fitted into the annular groove 221. The inner wall of the ring sleeve 22 extends inwards with a plurality of convex posts 222, the plural convex posts 222 abut against The upper and lower surfaces of the tongue plate 31, so that the metal shell 1, the circuit board 3 and the waterproof kit 2 are assembled into a waterproof connector 10, and the protrusion 222 can stably support the metal shell 1 and increase the structural strength of the metal shell 1 to avoid The metal case 1 deforms when stressed.

In summary, the waterproof connector of the present invention has not been seen in similar products and public use, and has industrial utility, novelty and progress, and fully meets the patent application requirements. And grant the patent in this case to protect the rights of inventors.

10: kinds of waterproof connectors

1: metal shell

13: plug pin

2: waterproof kit

21: Waterstop

211: Cutting seam

212: slit

22: Loop

3: circuit board

Claims (9)

A waterproof connector, including: a metal shell with a plug interface at one end and a mounting port at the other end; a waterproof kit sleeved on the metal shell, the waterproof kit has a water-retaining sheet covering and closing the mounting port , The water blocking sheet is provided with a cutting slit; and a circuit board inserted into the cutting slit and tightened by the water blocking sheet, one end of the circuit board has a tongue plate exposed to the plug interface; wherein, the mounting port It has a rim end, and a plurality of plug pins extend from the rim end, the water blocking sheet is provided with a plurality of slits, the circuit board is provided with a plurality of plate positioning grooves, and each plug pin of the metal shell is inserted in Each of the slits is inserted into each of the board positioning grooves of the circuit board to position each other. The waterproof connector as described in claim 1, wherein the number of slits is two pairs, the number of plug pins and the positioning groove of the board are two, and the two plug pins are respectively from the left and right of the mouth edge The side protrusions are formed and two protruding pieces are extended at the ends. The two pairs of split slits are arranged on the left and right sides of the cutting slit and the two protruding pieces providing the plug pins are inserted. The positioning grooves of the two plates It is arranged on the left and right sides of the tongue plate. The waterproof connector according to claim 1, wherein the mounting port has a rim end having a top section and a bottom section opposite to each other, the top section and the bottom end section respectively facing the plug interface At least one L-shaped supporting leg extends in the direction, and the plurality of L-shaped supporting legs abut against the upper and lower surfaces of the tongue plate. The waterproof connector according to claim 3, wherein the waterproof kit further has a ring sleeve looped around the outer periphery of the water blocking sheet, and the ring sleeve is sleeved around the mouth edge. The waterproof connector according to claim 4, wherein the water blocking sheet has an inner wall surface, the inner wall surface is provided with a plurality of recessed grooves, the rim end abuts against the inner wall surface, and the plurality of L-shaped support legs are fitted into The plural recessed grooves. A waterproof connector, including: a metal shell with a plug interface at one end and a mounting port at the other end; a waterproof kit sleeved on the metal shell, the waterproof kit has a water-retaining sheet covering and closing the mounting port , The water blocking sheet is provided with a cutting slit; and a circuit board inserted into the cutting slit and tightened by the water blocking sheet, one end of the circuit board has a tongue plate exposed to the plug interface; wherein, the mounting port It has a rim end, which has a top section and a bottom section opposite to each other, the top section and the bottom end section respectively extend toward the socket interface with at least one L-shaped support foot, the plurality of L-shaped supports The foot abuts on the upper and lower surfaces of the tongue plate, the waterproof kit further has a ring sleeve that is looped around the outer edge of the water blocking sheet, an end of the ring sleeve is provided with an annular groove inward, and the mouth edge is fitted into The annular groove. The waterproof connector according to claim 6, wherein the inner wall of the ring sleeve has a plurality of convex posts extending inwardly, and the plural convex posts abut against the upper and lower surfaces of the tongue plate. The waterproof connector according to claim 1 or 6, wherein the upper and lower surfaces of the tongue plate are provided with a plurality of guide portions. The waterproof connector according to claim 4 or 6, further comprising a shielding shell, the shielding shell is sleeved on the metal shell and is wrapped around the metal shell, the ring sleeve is stuffed between the shielding shell and the metal Between shells.

Images