TWM636846U - Electronic device and waterproof structure thereof - Google Patents

Abstract

An electronic device includes a keyboard, a bracket and a mainboard. The keyboard has a plurality of keys, a flexible circuit board and a first electrical connection device, the keys are arranged on one side of the flexible circuit board, and the first electrical connection device is arranged on the other side of the flexible circuit board. The bracket is disposed between the keyboard and the main board, and the bracket has an opening and a waterproof structure arranged around the opening. The mainboard includes a second electrical connection device opposite to the first electrical connection device, wherein the first and second electrical connection devices are connected to each other through the opening.

Description

Electronic device and its waterproof structure

This creation is about an electronic device and its waterproof structure.

The keyboard and touchpad of a notebook computer are the most commonly used input devices. The keyboard is used to input characters, symbols, etc., and the touchpad allows users to slide their fingers on the touchpad to operate a mouse.

In order to connect the keyboard to the mainboard of the notebook computer, a flexible circuit board is usually used to pass through the hole of the bracket under the keyboard, and one end of the flexible circuit board has a connector that can be connected to the mainboard to transmit signals Between the motherboard and the keyboard. In addition, in order to prevent liquids such as water from entering the body of the notebook computer through the perforation of the bracket, it is known that a waterproof sponge (sponge) is provided at the perforation of the bracket, and the waterproof sponge only reserves a slit for the soft board to pass through. . However, because the waterproof sponge still has slits, the waterproof effect cannot be the best, especially when the amount of water and other liquids is large, it will still cause the danger of water and other liquids flowing into the body of the notebook computer.

The invention relates to an electronic device and its waterproof structure, which is used to prevent liquids such as water from entering the body of the electronic device through the perforation of the bracket.

According to one aspect of the present invention, an electronic device is provided, including a keyboard, a bracket, and a main board. The keyboard has a plurality of keys, a flexible circuit board and a first electrical connection device. These keys are arranged on one side of the flexible circuit board, and the first electrical connection device is arranged on the other side of the flexible circuit board. The bracket is arranged between the keyboard and the main board, and the bracket has an opening and a waterproof structure arranged around the opening. The main board includes a second electrical connection device, wherein the first and second electrical connection devices are connected to each other through the opening.

According to one aspect of the present invention, a waterproof structure is proposed for an electronic device, the electronic device has a first electrical connection device and a second electrical connection device, the waterproof structure is arranged on a bracket, the bracket has an opening, And the waterproof structure is arranged around the opening, wherein the first and second electrical connection devices are connected to each other through the opening.

In order to have a better understanding of the above and other aspects of this creation, the following special examples are given below, and the accompanying drawings are described in detail as follows:

Please refer to Figures 1, 2A and 2B, wherein Figure 1 shows a schematic diagram of an electronic device 100 according to an embodiment of the present invention, and Figures 2A and 2B illustrate an exploded internal structure of the electronic device 100 according to an embodiment of the present invention Figures and partial sections. In order to make the features of this application more obvious, the electronic device 100 in FIGS. 1 , 2A and 2B only shows the keyboard 110 and the touch panel 111 of the notebook computer, omitting the display panel. Since the display panel is not the focus of this case, the description of this part is omitted. This case improves the known problem of keyboard soft board passing through the perforation of the bracket below the keyboard to achieve better waterproof effect, but it is not limited to be used on notebook computers, and can also be used on other handheld electronic devices.

The electronic device 100 includes a keyboard 110 , a bracket 120 and a motherboard 130 . The keyboard 110 has a plurality of keys 112, a flexible circuit board 116 and a first electrical connection device 118. These keys 112 are arranged on one side (for example, the upper side) of the flexible circuit board 116, and the first electrical connection device 118 is arranged on the flexible circuit board. The other side (eg, the lower side) of the board 116 . The bracket 120 is disposed between the keyboard 110 and the main board 130 , and the bracket 120 has at least one opening 121 (multiple are shown in the figure) and a waterproof structure 124 disposed around the opening 121 . The motherboard 130 includes a second electrical connection device 132 , and the first and second electrical connection devices 118 , 132 are connected to each other through the opening 121 (see FIG. 2B ).

As shown in FIG. 1A , the keys 112 of the keyboard 110 are used for the user to press to input characters, symbols, etc., and the touchpad 111 is used for the user to slide the finger on the touchpad to operate the mouse. In addition, the keys 112 of the keyboard 110 are disposed on the flexible circuit board 116 and are electrically connected to the main board 130 via the flexible circuit board 116 . Specifically, the button 112 has, for example, a keycap 113, a scissors structure (supporting structure) 114 and an elastic body 115. Abutted between the keycap 113 and the flexible circuit board 116, when the keycap 113 is pressed, the keycap 113 moves downward to press the elastic body 115, so that the elastic body 115 is in a compressed state and the flexible circuit board 116 The upper and lower circuit layers are connected to generate a pressing signal. The pressing signal can be transmitted to the main board 130 through the flexible circuit board 116 , and a corresponding signal is generated by the controller on the main board 130 .

The keys 112 of the keyboard 110 can be of other types, not limited to the scissors type.

As shown in FIG. 2A , the bracket 120 is disposed under the keyboard 110 , and the bracket 120 is provided with, for example, a recessed portion 122 . The recessed portion 122 is formed by stamping for accommodating the first electrical connection device 118 . In addition, the bracket 120 forms an opening 121 at the bottom of the concave portion 122 , and the opening 121 passes through the bracket 120 and exposes the second electrical connection device 132 . As shown in Figure 2B, the waterproof structure 124 is disposed around the opening 121, for example, and the first and second electrical connection devices 118, 132 can be connected to each other through the opening 121 and squeeze the waterproof structure 124, so that the surrounding of the opening 121 is covered. The waterproof structure 124 is sealed to achieve a waterproof effect.

In one embodiment, the first electrical connection device 118 is, for example, a female connector, and the second electrical connection device 132 is, for example, a male connector. The terminals (pin posts 133 ) of the second electrical connection device 132 can pass through the opening of the bracket 120 121 to connect with the terminal 119 of the first electrical connection device 118 . The second electrical connection device 132 is, for example, a plug-and-play pin connection device. The pin connection device can be a conductive device such as a pogo pin to provide functions such as signal connection or power connection.

Please refer to FIGS. 3A and 3B , which illustrate a schematic diagram of an electrical connection device with a waterproof structure 124 according to an embodiment of the present invention. The waterproof structure 124 is used for an electronic device 100, such as a notebook computer or other products. The electronic device 100 has a first electrical connection device 118 and a second electrical connection device 132. The waterproof structure 124 is arranged on a bracket 120, The bracket 120 has an opening 121 , and the waterproof structure 124 is disposed around the opening 121 , wherein the first and second electrical connection devices 118 , 132 are connected to each other through the opening 121 . The waterproof structure 124 has, for example, at least one or a plurality of through holes 123 aligned with the positions of the openings 121 up and down.

In Figure 3A, the first electrical connection device 118 is, for example, disposed on one side of the flexible circuit board 116 (see Figure 2B), the first electrical connection device 118 has an outer frame portion 117, and the outer frame portion 117 can be pressed against On the waterproof structure 124, in order to more effectively prevent liquids such as water from overflowing. The second electrical connection device 132 is, for example, disposed on the main board 130 , and the second electrical connection device 132 is composed of a pin post 133 (plunger), a spring 134 (spring) and a tube body 135 (tube). The needle column 133 is disposed at one end of the tube body 135 , the spring 134 is disposed in the tube body 135 , and the needle column 133 is pushed against by the spring force of the spring 134 and partially protrudes from the tube body 135 . In Fig. 3B, when the first and second electrical connection devices 118, 132 are connected to each other, the needle column 133 pushes against the spring 134 and retracts in the tube body 135, and the waterproof structure 124 is sealed around the opening 121, so as to Prevent liquids such as water from overflowing into it.

In one embodiment, the waterproof structure 124 is, for example, sponge, foam or other sealing materials. The waterproof structure 124 can be attached around the opening 121 with glue or tape.

Please refer to FIG. 4 , which shows a schematic top view of a waterproof structure 124 according to an embodiment of the present invention. The waterproof structure 124 is elongated, for example, the through hole 123 wraps around the pin posts 133 , and the pin posts 133 of the second electrical connection device 132 can respectively protrude from the through holes 123 for power supply connection.

The electronic device and its waterproof structure of the above-mentioned embodiments are used to prevent liquids such as water from entering the body of the electronic device through the perforation of the bracket. Compared with the traditional waterproof sponge, a slit needs to be reserved for the soft board to pass through. In this way, the waterproof structure of the invention is a sealed type, and the first electrical connection device can squeeze the waterproof structure to more effectively prevent water and other liquids from overflowing, so as to achieve a higher waterproof level, thereby improving the waterproof performance of the electronic device.

To sum up, although the invention has been disclosed as above with the embodiments, it is not intended to limit the invention. Those with ordinary knowledge in the technical field to which the present invention belongs can make various changes and modifications without departing from the spirit and scope of the creation. Therefore, the scope of protection of the present invention should be defined by the scope of the appended patent application.

100: Electronic device 110: keyboard 111:Touchpad 112: button 113: Keycap 114: Scissor foot structure 115: Elastomer 116: Flexible printed circuit board 117: Outer frame part 118: the first electrical connection device 119: terminal 120: Bracket 121: opening 122: depression 123: Through hole 124: waterproof structure 132: the second electrical connection device 133: needle column 134: spring 135: tube body

FIG. 1 shows a schematic diagram of an electronic device according to an embodiment of the present invention; Figures 2A and 2B illustrate an exploded view and a partial cross-sectional view of the internal structure of an electronic device according to an embodiment of the present invention; Figures 3A and 3B illustrate schematic diagrams of an electrical connection device with a waterproof structure according to an embodiment of the present invention; and FIG. 4 shows a schematic top view of a waterproof structure according to an embodiment of the present invention.

100: Electronic device

110: keyboard

112: button

116: Flexible printed circuit board

118: the first electrical connection device

120: Bracket

124: waterproof structure

132: the second electrical connection device

Claims (10)

An electronic device comprising: A keyboard with a plurality of keys, a flexible circuit board and a first electrical connection device, the keys are arranged on one side of the flexible circuit board, and the first electrical connection device is arranged on the other side of the flexible circuit board; a bracket having an opening and a waterproof structure disposed around the opening; and A main board, wherein the bracket is arranged between the keyboard and the main board, the main board includes a second electrical connection device, and the first and second electrical connection devices are connected to each other through the opening. The electronic device according to claim 1, wherein the waterproof structure is attached to the bracket. The electronic device according to claim 1, wherein the waterproof structure is in the shape of a mouth and is sealed around the opening. The electronic device as claimed in claim 1, wherein the second electrical connection device includes a plurality of pins, and the pins can protrude from the opening. The electronic device as claimed in claim 1, wherein the second electrical connection device is a spring pin connection device. The electronic device according to claim 1, wherein the first electrical connection device has an outer frame portion, and the outer frame portion can be pressed against the waterproof structure. The electronic device as claimed in claim 1, wherein the bracket is provided with a recess for receiving the first electrical connection device, and the bottom of the recess forms the opening. A waterproof structure for an electronic device, the electronic device has a first electrical connection device and a second electrical connection device, the waterproof structure is set on a bracket, the bracket has an opening, and the waterproof structure is set Around the opening, wherein the first and second electrical connection devices are connected to each other through the opening. The waterproof structure according to claim 8, wherein the waterproof structure has at least one through hole aligned with the opening. The waterproof structure according to claim 8, wherein the first electrical connection device has an outer frame portion, and the outer frame portion can be pressed against the waterproof structure.

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