# US 2019/0096608 A1 · Waterproof assembly for keyboard switch, keyboard and electronic apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0096608 A1 - Document ID: US20190096608A1 - Status: Published application - Kind: A1 - Application number: 16/205,123 - Filed: 2018-11-29 - Published: 2019-03-28 - Earliest claimed: 2016-05-30 - Assignees: Dongguan City Kaihua Electronics Co., Ltd - Applicants: Dongguan City Kaihua Electronics Co., Ltd - Inventors: FuXi Wu - Web page: https://patentgrep.com/patent/US20190096608A1 ## CPC - H01H 13/86: characterised by the casing, e.g. sealed casings or casings reducible in size - H01H 3/62: Lubricating means structurally associated with the switch (for lubricating contact-making surfaces H01H1/60) - H01H 13/06: Dustproof, splashproof, drip-proof, waterproof or flameproof casings - H01H 2223/002: sealed - H01H: ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES (contact cables H01B7/10; electrolytic self-interrupters H01G9/18; emergency protective circuit arrangements H02H; switching by electronic means without contact-making H03K17/00) ## Abstract A waterproof assembly is adapted for a keyboard switch. The water proof assembly includes a body element, a water proof cover, a sliding channel, and a pushing rod. The body element defines a plunger guiding groove and a conductive member accommodating groove. The waterproof cover covers the conductive member accommodating groove. The sliding channel is defined between the conductive member accommodating groove and the waterproof cover, and is communicated with the plunger guiding groove and the conductive member accommodating groove. The pushing rod is mounted inside the sliding channel to control a conductive member of the keyboard switch to be turned on or turned off. ## Claims ### Claim 1 A waterproof assembly for a keyboard switch, the waterproof assembly comprising: a body element, the body element defining a plunger guiding groove and a conductive member accommodating groove; a waterproof cover, the waterproof cover covering the conductive member accommodating groove; a sliding channel defined between the conductive member accommodating groove and the waterproof cover, and communicated with the plunger guiding groove and the conductive member accommodating groove; and a pushing rod, the pushing rod mounted inside the sliding channel to control a conductive member of the keyboard switch to be turned on or turned off. ### Claim 2 (depends on 1) The waterproof assembly according to claim 1, wherein an oil tank is defined to be communicated with the sliding channel. ### Claim 3 (depends on 1) The waterproof assembly according to claim 1, wherein the waterproof assembly further comprises a gasket, and the gasket is arranged between the conductive member accommodating groove and the waterproof cover. ### Claim 4 (depends on 3) The waterproof assembly according to claim 3, wherein the gasket is a waterproof rubber gasket. ### Claim 5 (depends on 1) The waterproof assembly according to claim 1, wherein a convex protuberance is formed around a peripheral edge of the conductive member accommodating groove, and a positioning slot matching the protuberance is defined in the waterproof cover. ### Claim 6 (depends on 1) The waterproof assembly according to claim 1, wherein the conductive member comprises a movable plate and a static plate of the keyboard switch. ### Claim 7 (depends on 1) The waterproof assembly according to claim 1, wherein a waterproof colloid is coated at a junction between the body element and the waterproof cover. ### Claim 8 (depends on 1) The waterproof assembly according to claim 1, wherein an ultrasonic welding layer is provided at a junction between the body element and the waterproof cover. ### Claim 9 (depends on 1) The waterproof assembly according to claim 1, wherein the conductive member comprises a receiving terminal and an emitting terminal disposed opposite to each other. ### Claim 10 (depends on 1) The waterproof assembly according to claim 1, wherein the sliding channel is communicated with the conductive member accommodating groove, a first sliding groove is defined in communication with the conductive member accommodating groove, a second sliding groove matching the first sliding groove is defined in the waterproof cover, and the first sliding groove cooperates with the second sliding groove to constitute the sliding channel. ### Claim 11 A keyboard, comprising a plurality of keyboard switches in an array, each of the keyboard switches including a waterproof assembly, and the waterproof assembly including: a body element, the body element defining a plunger guiding groove and a conductive member accommodating groove; a waterproof cover, the waterproof cover covering the conductive member accommodating groove; a sliding channel defined between the conductive member accommodating groove and the waterproof cover, and communicated with the plunger guiding groove and the conductive member accommodating groove; and a pushing rod, the pushing rod mounted inside the sliding channel to control a conductive member of the keyboard switch to be turned on or turned off. ### Claim 12 (depends on 11) The keyboard according to claim 11, wherein an oil tank is defined to be communicated with the sliding channel. ### Claim 13 (depends on 11) The keyboard according to claim 11, wherein the waterproof assembly further includes a gasket, and the gasket is arranged between the conductive member accommodating groove and the waterproof cover. ### Claim 14 (depends on 11) The keyboard according to claim 11, wherein a convex protuberance is formed around a peripheral edge of the conductive member accommodating groove, and a positioning slot matching the protuberance is defined in the waterproof cover. ### Claim 15 (depends on 11) The keyboard according to claim 11, wherein the sliding channel is communicated with the conductive member accommodating groove, a first sliding groove is defined in communication with the conductive member accommodating groove, a second sliding groove matching the first sliding groove is defined in the waterproof cover, and the first sliding groove cooperates with the second sliding groove to constitute the sliding channel. ### Claim 16 An electronic apparatus, comprising at least one keyboard with a plurality of keyboard switches in an array, each of the keyboard switches including a waterproof assembly, and the waterproof assembly including: a body element, the body element defining a plunger guiding groove and a conductive member accommodating groove, a waterproof cover, the waterproof cover covering the conductive member accommodating groove; a sliding channel defined between the conductive member accommodating groove and the waterproof cover, and communicated with the plunger guiding groove and the conductive member accommodating groove; and a pushing rod, the pushing rod mounted inside the sliding channel, to control a conductive member of the keyboard switch to be turned on or turned off. ### Claim 17 (depends on 16) The electronic apparatus according to claim 16, wherein an oil tank is defined to be communicated with the sliding channel. ### Claim 18 (depends on 16) The electronic apparatus according to claim 16, wherein the waterproof assembly further includes a gasket, and the gasket is arranged between the conductive member accommodating groove and the waterproof cover.