TWI421890B - Waterproof button and electronic device with the button - Google Patents

Description

Waterproof and dustproof button and electronic device using the same

The invention relates to a button and an electronic device applying the same, in particular to a waterproof and dustproof button and an electronic device applying the button.

At present, digital cameras, mobile phones, watches and other electronic devices are emerging, allowing consumers to fully enjoy the convenience brought by high technology whenever and wherever possible. At the same time, in order to meet the needs of consumers' personalities, electronic devices are usually provided with buttons for consumers to select and operate. Generally, the button usually has a gap with the body of the electronic device, and moisture easily enters the body, thereby affecting its performance and life, especially if it is accidentally dropped into the water or wet by the rain, causing a short circuit and causing a malfunction.

In view of this, it is necessary to provide a button and an electronic device that is waterproof and dustproof.

A button for an electronic device, the electronic device comprising a casing, the button being disposed on the casing, the casing comprising at least one perforation, the button comprising a button cap and a sealing member, the button cap comprising at least An integrally formed button and a waterproof layer, the number of the buttons being the same as the perforations, and each button is located in a perforation, and the waterproof layer is fixed to the sealing member by the cooperation of the sealing member and the housing The seal is fixed on the electronic device housing between the housings The waterproof layer encloses the at least one perforated seal.

An electronic device includes a housing, a PCB board and a button, the housing includes at least one through hole, the PCB board is fixedly mounted in the housing, and the button is disposed on a sidewall of the housing, including at least one The switch is connected to the PCB board, the button comprises a button cap and a sealing member, the button cap comprises at least one integrally formed button and a waterproof layer, the number of the buttons being the same as the perforation, and each button is located in a perforation, The waterproof layer is fixed between the sealing member and the housing by the sealing of the sealing member to the housing, the sealing member is fixed on the electronic device housing, and the waterproof layer surrounds the at least one perforated seal; The switch has the same number and one-to-one correspondence with the number of the buttons. When one of the at least one button is pressed, the corresponding switch forms an electrical connection with the PCB board, and the PCB board generates a corresponding button signal.

The locking member cooperates with the locking member to engage the waterproof layer between the housing and the sealing member, and the sealing layer is fixed to the housing such that the waterproof layer surrounds the at least one perforated seal. With the button and electronic device of the present invention, the waterproof layer prevents water from entering through the perforations, thereby being waterproof and dustproof.

100‧‧‧Electronic devices

10‧‧‧shell

20‧‧‧PCB board

30‧‧‧ button

11‧‧‧ side wall

12‧‧‧ Groove

13‧‧‧Perforation

111‧‧‧ inner surface

121‧‧‧Locker

14‧‧‧Card holders

31‧‧‧ button cap

32‧‧‧Seal

33‧‧‧ switch

311‧‧‧ button

312‧‧‧Waterproof layer

321‧‧‧Perforation

322‧‧‧Locks

331‧‧‧ Ontology

332‧‧‧Pressing parts

1 is a schematic view of an electronic device according to an embodiment of the present invention.

2 is a partial schematic view of the electronic device shown in FIG. 1.

3 is a schematic diagram of the electronic device shown in FIG. 2.

4 is another perspective view of the electronic device shown in FIG. 2.

Figure 5 is a cross-sectional view of the electronic device shown in Figure 2 taken along line V-V.

Referring to FIG. 1 to FIG. 4 , the electronic device 100 includes a housing 10 , a PCB (Printed Circuit Board) board 20 and a button 30 . The PCB board 20 is fixedly mounted in the housing 10, and the button 30 is disposed on the housing 10. The electronic device 100 can be an electronic device such as an MP3 player, a mobile phone, or an electronic book.

The housing 10 includes a side wall 11 that includes a recess 12 and a perforation 13. The groove 12 is disposed on the inner surface 111 of the side wall 11. The recess 12 includes a locking member 121. In the embodiment, the locking member 121 is a bead. The side wall 11 further includes a plurality of holding members 14 fixedly mounted on the inner surface 111 of the side wall 11 and uniformly disposed around the groove 12. In the present embodiment, the number of the holding members 14 is four. The through hole 13 passes through the bottom of the groove 12 and penetrates the groove 12. In the present embodiment, the number of the perforations 13 is two. In other embodiments, the number of the perforations 13 can be one, three or other numbers.

The button 30 includes a button cap 31, a seal 32 and a switch 33. The button cap 31 includes a button 311 and a waterproof layer 312. The size of the button 311 is the same as the size of the through hole 13. The button 311 is exposed through the through hole 13 to the housing 10 so that the user can act on the button 311. The number of the buttons 311 is the same as the number of the through holes 13. In the present embodiment, the number of the buttons 311 is two. In other embodiments, the number of buttons 311 can be one or other numbers. The waterproof layer 312 is made of a waterproof and elastic material. The waterproof layer 312 is sized to conform to the size of the recess 12, and the waterproof layer 312 can be received in the recess 12. The button 311 is integrally formed with the waterproof layer 312. In the embodiment, the button 311 and the waterproof layer 312 can be integrally formed by injection molding. In other embodiments, the button 311 and the waterproof layer 312 can be integrally formed by a stamper.

The size of the seal 32 is substantially the same as the size of the waterproof layer 312. The sealing member 32 is engaged with the holding member 14 and fixed to the casing 10. In the present embodiment, the sealing member 32 includes two through holes 321 , and the size of the through holes 321 is not smaller than the size of the button 311 , so that the button 311 can pass through the through holes 321 . The surface of the sealing member 32 facing the recess 12 includes a locking member 322. In the embodiment, the locking member 322 is a recessed ring. The locking member 322 cooperates with the locking member 121 for the waterproof layer 312 such that the waterproof layer 312 is deformed corresponding to the locking member 322 and the portion of the locking member 121, and the portion of the waterproof layer 312 is embedded in the locking member. 322 is within the space formed by the locker 121. Therefore, the waterproof layer 312 is fixedly mounted between the housing 10 and the sealing member 32, and the through hole 13 is completely sealed from the internal structure of the electronic device 100 to achieve a waterproof effect.

In the present embodiment, the number of the switches 33 is two, and each switch 33 corresponds to a button 311. The switch 33 includes a body 331 and a pressing member 332. In the present embodiment, the switch 33 is a reset switch. The body 331 is fixedly coupled to the PCB board 20. The pressing member 332 is movably coupled to the body 331.

When the button 311 is pressed, since the waterproof layer 312 is made of an elastic material, the button 311 is in contact with the pressing member 332 of the corresponding switch 33 against the elastic restoring force of the waterproof layer 312, so that the pressing member 332 is pressed. At this time, the switch 33 is electrically connected to the PCB board 20, so that the PCB board 20 generates corresponding button signals. when When the button 311 stops pressing, the button 311 is separated from the pressing member 332 due to the elastic restoring force of the waterproof layer 312, so that the pressing member 332 is reset.

Referring to FIG. 5 , when the assembly is performed, the button cap 31 is passed through the through hole 13 , and the waterproof layer 312 is received in the groove 12 . The sealing member 32 is attached to the waterproof layer 312. The sealing member 32 is fixedly mounted on the housing 10 by the holding member 14. The locking member 121 is received in the locking member 322. The 312 is received in the space defined by the locking member 121 and the locking member 322 and is fixedly mounted between the sealing member 32 and the housing 10 . The button 311 passes through the through hole 321 of the sealing member 32 and the switch 33 . The pressing member 332 is in contact. The waterproof layer 312 seals the perforations 13 from the internal structure of the electronic device 100, and water cannot enter through the through holes 13 to achieve a waterproof effect. When in use, the button 311 is pressed, and the button 311 abuts and acts on the pressing member 332 of the switch 33, so that the switch 33 is electrically connected to the PCB board 20.

In other embodiments, the button 30 can include a plurality of buttons 311, such as a phone keypad that includes a plurality of buttons 311.

It is to be understood by those skilled in the art that the above embodiments are only intended to illustrate the invention, and are not intended to limit the invention, as long as it is within the spirit of the invention Changes and modifications are intended to fall within the scope of the invention.

10‧‧‧shell

111‧‧‧ inner surface

12‧‧‧ Groove

121‧‧‧Locker

13‧‧‧Perforation

14‧‧‧Card holders

20‧‧‧PCB board

31‧‧‧ button cap

311‧‧‧ button

312‧‧‧Waterproof layer

32‧‧‧Seal

321‧‧‧Perforation

33‧‧‧ switch

331‧‧‧ Ontology

332‧‧‧Pressing parts

Claims (8)

A button for an electronic device, the electronic device comprising a casing, the button being disposed on the casing, the casing comprising at least one perforation, wherein the button comprises a button cap and a sealing member, The button cap includes at least one integrally formed button and a waterproof layer, the number of the buttons being the same as the perforation, and each button is located in a perforation, and the waterproof layer is fixed to the housing by the sealing of the sealing member with the housing Between the sealing member and the housing, the sealing member is fixed on the electronic device housing, and the waterproof layer surrounds the at least one perforated seal; wherein the sealing member comprises a locking member, and the housing comprises a locking member. The locking member cooperates with the locking member such that the waterproof layer is deformed corresponding to the locking member and the portion of the locking portion, and the portion of the waterproof layer is embedded in the space formed by the locking member and the locking member, thereby waterproofing A layer is snapped between the seal and the housing. The button of claim 1, wherein the waterproof layer is made of a waterproof and elastic material. The button of claim 1, wherein the button further comprises a switch corresponding to the button, the switch comprises a pressing member, and when the button is pressed, the pressing member of the switch is In contrast, the pressing member of the switch is pressed correspondingly to generate a button signal. The button of claim 1, wherein the housing further comprises a holding member, the holding member cooperates with the sealing member, and the sealing member is fixedly mounted to the housing. An electronic device includes a housing, a PCB board and a button, the housing includes at least one through hole, the PCB board is fixedly mounted in the housing, and the button is disposed on a sidewall of the housing, including at least one The switch is connected to the PCB board, and the improvement is that the button comprises a button cap and a sealing member, the button cap comprises at least one integrally formed button and a waterproof layer, the number of the buttons is the same as the perforation, and each button is located a waterproof layer is fixed between the sealing member and the housing by the sealing of the sealing member and the housing, the sealing member is fixed on the electronic device housing, and the waterproof layer is at least one The switch is surrounded by a perforated seal; the switch has the same number and one-to-one correspondence with the number of the buttons, and when one of the at least one button is pressed, the corresponding switch forms an electrical connection with the PCB board, and the PCB board generates a corresponding button signal; The sealing member includes a locking member, and the housing includes a locking member, and the locking member cooperates with the locking member, so that the waterproof layer is deformed corresponding to the locking member and the locking portion. The portion of the latching layer is fitted into the space formed by the member with the locking member, so that the engagement between the waterproof layer of the seal and the housing. The electronic device of claim 5, wherein the housing further comprises a holding member, the holding member is engaged with the sealing member, and the sealing member is fixedly mounted to the housing. The electronic device of claim 5, wherein the waterproof layer is made of a waterproof and elastic material. The electronic device of claim 5, wherein the switch comprises a body and a pressing member, the body is fixedly connected to the PCB board, the pressing member The main body is movably connected. When the button is pressed, the button opposes the pressing member, the pressing member is pressed, and the switch is electrically connected to the PCB board, and the PCB board generates a corresponding button signal.