TW201832632A - Waterproof structure and electronic device using same - Google Patents

Abstract

The present invention discloses a waterproof structure and an electronic device using same. The waterproof structure includes a first housing, a second housing, and a waterproof assembly. The first housing defines a through hole. The waterproof assembly includes a sealing member and a protective member positioned at a side of the sealing member. The second housing is secured to the first housing to sandwich between the first and second housings, thereby pressing the sealing member to seal the through hole.

Description

Waterproof structure and electronic device using the same

The invention relates to a waterproof structure, in particular to a waterproof structure applied to an electronic device.

At present, digital cameras, mobile phones, watches and other electronic devices are emerging, allowing consumers to fully enjoy the convenience brought by high technology anytime, anywhere. At the same time, in order to meet the individual needs of consumers, openings are usually provided on the casing of the electronic device for installing buttons and other components. However, moisture easily enters the body through these openings, which affects its performance and life, especially if it is accidentally dropped into water or wet by rain, which causes a short circuit and causes failure.

In view of this, it is necessary to provide a waterproof structure and an electronic device using the waterproof structure.

A waterproof structure includes a first shell, a second shell, and a waterproof component. The first shell is provided with a through hole. The waterproof component includes a seal and a protection provided on one side of the seal. The sealing member is disposed in the through hole, the second casing is fixed to the first casing, the protection member is sandwiched between the second casing and the first casing, and The seal is pressed into the through hole.

An electronic device includes a waterproof structure, the waterproof structure includes a first shell, a second shell, and a waterproof component, the first shell is provided with a through hole, and the waterproof component includes a seal and is disposed on the The protector on the side of the seal, the seal is provided in the through hole, the second case is fixed to the first case, and the protector is sandwiched between the second case and the first case. Between a shell and pressing the seal against the through hole.

The waterproof structure can seal the through hole provided in the first housing of the electronic device through the sealing member, effectively preventing water from entering the electronic device, affecting its performance and life.

Referring to FIG. 1, a waterproof structure 100 according to a preferred embodiment of the present invention is suitable for an electronic device 200 such as a mobile phone, a computer, and the like. In the preferred embodiment, a mobile phone is taken as an example to describe the electronic device 200 and the waterproof structure 100 of the present invention.

Please refer to FIG. 2, FIG. 3 and FIG. 4. The waterproof structure 100 includes a first shell 10, a second shell 30, and a waterproof component sandwiched between the first shell 10 and the second shell 30. 50.

The first casing 10 may be an inner frame of the electronic device 200. The first casing 10 includes a bottom wall 11 and a side wall 13 surrounding the bottom wall 11. The bottom wall 11 and the side wall 13 may be It can be connected by injection molding, die casting or CNC (Computer numerical control, CNC machine tool) integral molding, and can also be connected by assembly. Wherein, in a preferred embodiment of the present invention, the first casing 10 is made of a metal material. In another preferred embodiment of the present invention, the first casing 10 may also be made of ceramic, plastic, or Other polymer materials having a higher melting point than the second casing 30 are made of. Through holes 131 are formed in the side wall 13. In the preferred embodiment, the number of the through holes 131 is two. The side wall 13 is correspondingly recessed along each of the through holes 131 to form a stepped first groove 133 (see FIG. 4) and a second groove 135. In the preferred embodiment, the first groove The opening size of 133 is smaller than the opening size of the second groove 135.

The second casing 30 may be an outer frame of the electronic device 200, and the second casing 30 may be a rectangular frame, a circular frame, or a frame of other shapes. In a preferred embodiment, the inner surface of the second casing 30 is provided with a retaining groove 31, and the side wall 13 of the first casing 10 can be embedded into the above (for the full text inspection, please use the "the" uniformly) Or “one”, do n’t use both of them) in the holding groove 31 so as to be fixed on the second casing 30. In the preferred embodiment, the second casing 30 may be formed on the first casing 10 by insert molding. Wherein, the second casing may be made of plastic or an insert molding material. The melting point and hardness of the first casing 10 are greater than the melting point and hardness of the second casing 30. The through hole 131, the first groove 133 and the second groove 135 are used for installing the waterproof component 50.

In another preferred embodiment of the present invention, a clamping groove (not shown) is provided on a surface of the side wall 13 of the first casing 10 near the second casing 30, and the inside of the second casing 30 A latching structure pivotally connected to the first housing 10 can be formed by insert molding.

The waterproof component 50 includes a sealing member 51 and a protecting member 53. The melting point and hardness of the protective member 53 are greater than the melting point and hardness of the sealing member 51. In the preferred embodiment, the sealing member 51 is made of an elastic waterproof material such as rubber, and the protecting member 53 is made of a material having a higher melting point than the second casing 30. In a preferred embodiment of the invention, the protection member 53 is made of a metal material; in another preferred embodiment, the protection member 53 may also be made of ceramic, plastic, glass, or other melting point compared to the second casing 30. Made of higher polymer materials.

The seals 51 correspond to the through holes 131. In the preferred embodiment, the number of the seals 51 is two. Each seal 51 can be disposed in one of the through holes 131. Each sealing member 51 includes a sealing portion 511 and a fixing portion 513. The sealing portion 511 is substantially a middle frame pillar or a sheet. The fixing portion 513 is formed by extending from the periphery of the sealing portion 511. The fixing portion 513 cooperates with the first casing 10 through a slot structure. In this preferred embodiment, the hole-groove structure includes at least a first groove 133, and the fixing portion 513 is received in the first groove 133. In other preferred embodiments, the hole and groove structure can also be realized by a groove structure of any shape.

The protection member 53 is substantially a body. The protection member 53 is disposed on a side of the sealing member 51 near the second housing 30, and presses the sealing member 51 into the through hole 131. The protection member 53 cooperates with the first housing 10 through a hole-groove structure. In this preferred embodiment, the hole-and-groove structure includes at least a second groove 135, and the protection member 53 is received in the second groove 135. The protection member 53 may be fixed to the first casing 10 after the second casing 30 is cured by an insert molding process. The protection member 53 is cured during the curing of the second casing 30. The seal member 51 is protected from being melted or deformed due to high temperature, which affects its sealing effect.

Please refer to FIG. 5 and FIG. 6. In another preferred embodiment of the present invention, the waterproof structure 100 further includes a switch 60 and a button 70. The switch 60 is disposed in the first casing 10 and aligned with the through hole 131. A mounting hole 33 is defined in the second casing 30. The mounting holes 33 correspond to positions of the through holes 131 and the first grooves 133. The protection member 53 is further provided with openings 531 corresponding to the number and positions of the through holes 131. The button 70 includes a pressing end 71. The button 70 is disposed in the mounting hole 33, and the pressing end 71 is received in the seal 51 through the opening 531. When the button 70 is pressed, the pressing end 71 can elastically deform the seal 51, and then trigger the switch 60 to generate a corresponding signal.

Please refer to FIG. 7 and FIG. 8. In another preferred embodiment of the present invention, the waterproof structure 100 further includes a pop-up component 80. The pop-up component 80 replaces the switch 60. The ejection component 80 includes a push lever 81, which can be used to make the SIM card in the mobile phone eject from the push lever 81 under the push of the outside, which is convenient for the user to take the card. The pop-up assembly 80 is disposed in the first casing 10 and aligned with the through hole 131. The button 70 is disposed in the mounting hole 33, and the pressing end 71 is received in the seal 51 through the opening 531. When the button 70 is pressed, the pressing end 71 can elastically deform the sealing member 51, and then push the push rod 81 to eject the SIM card contained in the mobile phone.

The waterproof structure 100 can seal the through hole 131 provided in the first housing 10 of the electronic device 200 through the sealing member 51, effectively preventing water from entering the electronic device 200 and affecting the electronic device 200. Performance and life. In addition, the waterproof structure does not need to use conventional screws, gels, and other components to fix the sealing member 51 during the formation process. Instead, the second housing 30 is used to sandwich the waterproof component 50 on the first housing 10, so , Simple structure and easy assembly.

200‧‧‧Electronic device

100‧‧‧Waterproof structure

10‧‧‧First case

11‧‧‧ bottom wall

13‧‧‧ sidewall

131‧‧‧through hole

133‧‧‧First groove

135‧‧‧Second groove

30‧‧‧Second shell

31‧‧‧Card slot

50‧‧‧Waterproof component

51‧‧‧seals

511‧‧‧Sealing Department

513‧‧‧Fixed section

53‧‧‧Protection

60‧‧‧Switch

70‧‧‧ button

71‧‧‧Pressing end

80‧‧‧ popup

81‧‧‧ Push rod

FIG. 1 is a schematic diagram of an electronic device according to a preferred embodiment of the present invention. FIG. 2 is a schematic diagram of a waterproof structure according to a preferred embodiment of the present invention. FIG. 3 is a partially exploded schematic view of the waterproof structure shown in FIG. 2. 4 is a cross-sectional view of the electronic device shown in FIG. 1, taken along line IV-IV. FIG. 5 is a partially exploded schematic view of another preferred embodiment of the present invention. FIG. 6 is a partial cross-sectional view of the waterproof structure shown in FIG. 5. FIG. 7 is a partial exploded view of another preferred embodiment of the present invention. FIG. 8 is a partial cross-sectional view of the waterproof structure shown in FIG. 7.

no

Claims (10)

A waterproof structure includes a first shell, a second shell, and a waterproof component. The first shell is provided with a through hole. The waterproof component includes a seal and a protection member provided on one side of the seal. A seal is provided in the through hole, the second housing is fixed to the first housing, the protection member is sandwiched between the second housing and the first housing, and the seal is Pressed into the through hole. The waterproof structure according to item 1 of the scope of patent application, wherein the second casing is fixed on the first casing by insert molding. The waterproof structure according to item 1 of the scope of patent application, wherein the melting point of the first shell is greater than the melting point of the second shell. The waterproof structure according to item 1 of the scope of patent application, wherein the second casing is made of plastic or insert molding material. The waterproof structure according to item 1 of the scope of patent application, wherein the melting point of the protective member is greater than the melting point of the second shell. The waterproof structure according to item 1 of the scope of patent application, wherein the waterproof structure further comprises a switch and a button, the second housing is provided with a mounting hole, the mounting hole corresponds to the through hole, and the switch is provided at The first housing is aligned with the through hole, and the button is disposed in the mounting hole. Pressing the button can trigger the switch. The waterproof structure according to item 1 of the scope of patent application, wherein the waterproof structure further includes a pop-up component and a button, the second housing is provided with a mounting hole, the mounting hole corresponds to the through hole, and the pop-up component The button is disposed in the first housing and is aligned with the through hole. The button is disposed in the mounting hole. Pressing the button can push the ejection component. The waterproof structure according to item 1 of the scope of patent application, wherein a holding groove is provided inside the second housing, and the first housing is locked in the holding groove. The waterproof structure according to item 1 of the scope of the patent application, wherein the seal and the first housing are fixed by a hole and groove structure. An electronic device includes a waterproof structure, and the waterproof structure is the waterproof structure described in any one of claims 1-9 of the scope of patent application.