五、新型說明： 【新型所屬之技術領域】 本創作係有關於一種按鍵結構，特別涉及一種於未受 壓或受壓狀態下均具防水功能之按鍵結構。 【先前技術】 隨著電子產業的蓬勃發展，電腦產品逐漸邁入多功 能、高性能的研發方向。且為了符合產品可靠度之要求， 電腦亦朝向使用壽命作為研發方向。例如：筆記型電腦因 其按鍵結構與機㈣具有微、縫隙，肖使液體或氣體容易 滲入機殼内，造成内部之電路受濕氣影響，導致無法正常 運作，因而需對筆記型電腦之按鍵防水功能進行設計。 因此，業界遂於按鍵結構周圍設計防水環，以阻擋液 體或氣體渗入機殼；請參閱第1A及1B圖，係為習知設於 筆記型電腦上之按鍵結構1，該按鍵結構丨係包括：殼體 1〇、按厘件11、防水環12、以及電路板13。該殼體1〇具 有内侧10a與外側10b、及連通該内側i〇a與外侧i〇b之 鍵孔100。該按壓件11係收納於該鍵孔1〇〇中，以於該鍵 孔100中作上、下方向之往復作動，並具有對應該殼體1〇 内側10a之抵靠部no ’以防止該按壓件u由該殼體1〇 内向外脫離。該防水環12係設於該殼體1〇内側10a上且 環繞該按壓件11周圍’以防止液體或氣體由該殼體1〇内 侧10a與該抵靠部110之間通過，而達到防水之效果。該 電路板13係設於該殼體1〇内並對應位於該按壓件u下 方’且具有感應件130，以當壓下該按壓件11時’該按壓 M407474 壓件11電性連接該感應件130。 惟，雖然該按鍵結構1於未壓下該按壓件11時，可 藉由該防水環12防止液體或氣體進入該殼體10内（如第 1A圖所示），但當壓下該按壓件11時，如第1B圖所示， 該防水環12無法緊貼該抵靠部110，導致該防水環12與 該抵靠部110之間產生空隙，造成液體或氣體由此空隙進 入該殼體10内，以致於内部之電路受濕氣影響而無法正常 運作。 因此，如何克服上述習知技術之問題，實已成目前亟 欲解決的課題。 【新型内容】 鑑於上述習知技術之缺失，本創作之目的在於提供一 種於未受壓或受壓狀態下均具防水功能之按鍵結構。 本創作之按鍵結構，係收容於殼體所開設之鍵孔，係 包括：按壓件，係以往復移動之方式收納於該鍵孔中，並 具有對應該殼體之抵靠部；彈性防水環，係設置於該殼體 與按壓件間，且環繞該按壓件，當該按壓件受力位移時， 以該彈性防水環作為該殼體與該抵靠部之間的防水壁。 前述之按鍵結構中，該彈性防水環具有鄰接環心之第 一環部、遠離環心之第二環部、及連接該第一與第二環部 間之擋部，該第一環部結合於該抵靠部上，且該第二環部 係結合於該殼體上，當該按壓件受力位移時，以該擋部作 為該防水壁。 前述之按鍵結構中，可藉由防水膠令該彈性防水環結 5 M407474 合於該殼體内側或抵靠部。 前述之按鍵結構中，該按壓件一端用以控制電路板作 動，該電路板係設於該殼體内，以令該按壓件於作動時電 性連接該電路板，而控制該電路板作動。 由上可知，本創作按鍵結構，主要藉由彈性防水環之 設計，以當壓下該按壓件時，該擋部將深展開而作為該殼 體與該抵靠部之間的防水壁，以防止水氣由該殼體内側與 該抵靠部之間通過，俾達到防水之效果，使該按鍵結構於 作動時仍具有防水之功能。 【實施方式】 以下藉由特定的具體實施形態說明本創作之技術内 容，熟悉此技藝之人士可由本說明書所揭示之内容輕易地 瞭解本創作之其他優點及功效。 須知，本說明書所附圖式所繪示之結構、比例、大小 等，均僅用以配合說明書所揭示之内容，以供熟悉此技藝 之人士之瞭解與閱讀，並非用以限定本創作可實施之限定 條件，故不具技術上之實質意義，任何結構之修飾、比例 關係之改變或大小之調整，在不影響本創作所能產生之功 效及所能達成之目的下，均應仍落在本創作所揭示之技術 内容得能涵蓋之範圍内。同時，本說明書中所引用之如 “上”、“下”、“内側”、“外側”、“内環”、“外環”等之用語， 亦僅為便於敘述之明瞭，而非用以限定本創作可實施之範 圍，其相對關係之改變或調整，在無實質變更技術内容下， 當亦視為本創作可實施之範疇。 構2在土— 2八、2B及3圖，係分別為本創作之按鍵結 及在受壓狀t狀L下的剖面圖、在受壓狀態下的剖面圖以 筆記细带^下其彈性防水環之立體外觀圖，其可設於如 4電腦等：> $ 2係包社. 電子設備9的殼體20上。所述之按鍵結構 、所迷::體\21以及彈性防水環22。 ， 20b、及連、雨： 〇係為蓋板，其具有内侧20a與外側 20收容有通該内側20a與外側2〇b之鍵孔200,且該殼體 下方，^電路板23，該電路板23係設置於該按壓件21 ί'乃該電路柄 所 3之作動係受控於該按壓件21。 τ. 9ΛΛ ''按壓件21係收納於該鍵孔200中，以於該鍵 孔200中作上、 卜方向之往復作動，並具有對應該殼體20 '&之抵罪部210，以防止該按壓件21由該殼體20 内向外脫離。其中’該按壓件21之規格種類繁多，可依需 求作變化，並無特別限制。 所述之彈性防水環22係位於該殼體内側2〇a且環 繞該按壓件21 ’並具有鄰接環心G之第一環部221、遠離 環心G之第二環部222、及連接該第一環部221與第二環 部222之擋部220，該第一環部221之下表面係藉由防水 膠24結合於該抵靠部210上，且該第二環部222之上表面 亦藉由防水夥24結合於該殼體20内侧20a上。再者，所 述之環心G係為鏤空狀，以令該按壓件21穿設其中，而 該防水谬24之種類繁多’此為業界所熟知，故不再贅述。 所述之電路板23係具有感應件23〇,以當壓下該按壓 件21時’該按壓件21將電性連接該感應件230，而達到 M407474 控制該電路板作動之目的。再者，電路板23之規格亦可依 需求作變化，並無特別限制。 當未壓下該按壓件21時，如第2A圖所示，係藉由彈 性防水環22防止液體或氣體進入該殼體20内。當壓下該 按壓件21時，如第2B及3圖所示，該彈性防水環22之 擋部220將伸展開成一面立設於該殼體20内側20a與該抵 靠部210之間的防水壁，且環繞該按壓件21四周，使該彈 性防水環22與該抵靠部210之間的空隙無法連通該殼體 20内部，有效防止液體或氣體由此空隙進入該殼體20内， 故可達到防水之效果，進而避免内部之電路受濕氣影響而 無法正常運作。 須進一步說明的是，本創作之按鍵結構2可一體成型 該按壓件21以及彈性防水環22，即利用射出成型技術一 體成型，惟，若考量該電路板23上相對於該按壓件21位 置設置有用以引導使用者觸壓該按壓件21的發光二極 體，則於射出成型過程t，形成該按壓件21的材質須採用 兼具透明以及硬度特性者，以使該按壓件21可將受壓壓力 傳送至該電路板23之感應件230，且亦可將該電路板23 之發光二極體的光源發射出來，而形成該彈性防水環22 的材質則須具伸縮特性，以使該彈性防水環22具有伸展 性。或者，亦可採用以該按壓件21以及彈性防水環22兩 組件進行連接的處理。 綜上所述，本創作按鍵結構，係藉由彈性防水環之設 計，以當壓下該按壓件時，該彈性防水環之擋部可形成一 M407474 防水壁，有效防止水氣進入殼體内，使該按鍵結構於停止 或作動時均具有防水之功能。 上述實施形態係用以例示性說明本創作之原理及其 功效，而非用於限制本創作。任何熟習此項技藝之人士均 可在不違背本創作之精神及範疇下，對上述實施形態進行 修改。因此本創作之權利保護範圍，應如後述之申請專利 範圍所列。 【圖式簡單說明】 第1A及1B圖係為習知按鍵結構之作動剖面圖； 第2A及2B圖係為本創作之按鍵結構之作動剖面 圖；以及 第3圖係為本創作之按鍵結構在受壓狀態下其彈性防 水環之立體外觀圖。 【主要元件符號說明】 1,2 按鍵結構 10,20 殼體 10a,20a 内側 10b,20b 外側 100,200 鍵孔 11,21 按壓件 110,210 抵靠部 12 防水環 13,23 電路板 130,230 感應件 9 M407474 22 彈性防水環 220 擋部 221 第一環部 222 第二環部 24 防水膠 9 電子設備V. New description: [New technology field] This creation department is about a button structure, especially a button structure that has waterproof function under uncompressed or pressurized state. [Prior Art] With the booming development of the electronics industry, computer products are gradually entering the direction of multi-functional and high-performance research and development. In order to meet the requirements of product reliability, the computer also faces the service life as the research and development direction. For example, the notebook computer has micro- and slits due to its button structure and machine (4), so that liquid or gas can easily penetrate into the casing, causing the internal circuit to be affected by moisture, resulting in failure to operate normally, thus requiring a button on the notebook computer. Waterproof function is designed. Therefore, the industry designs a waterproof ring around the button structure to block liquid or gas from penetrating into the casing; please refer to FIGS. 1A and 1B, which is a conventional button structure 1 provided on a notebook computer, and the button structure includes : housing 1 〇, licking member 11, waterproof ring 12, and circuit board 13. The casing 1 has an inner side 10a and an outer side 10b, and a keyhole 100 that communicates the inner side i〇a and the outer side i〇b. The pressing member 11 is housed in the keyhole 1 , to reciprocate in the upper and lower directions in the keyhole 100, and has an abutting portion no ' corresponding to the inner side 10a of the casing 1 以 to prevent the The pressing member u is detached from the inside and the outside of the casing 1 . The waterproof ring 12 is disposed on the inner side 10a of the casing 1 and surrounds the periphery of the pressing member 11 to prevent liquid or gas from passing between the inner side 10a of the casing 1 and the abutting portion 110, thereby achieving waterproofing. effect. The circuit board 13 is disposed in the casing 1 并 and correspondingly below the pressing member u and has an inductive component 130 to electrically connect the inductive component when the pressing member 11 is pressed. 130. However, although the button structure 1 is not pressed against the pressing member 11, the waterproof ring 12 can prevent liquid or gas from entering the housing 10 (as shown in FIG. 1A), but when the pressing member is pressed At 11 o'clock, as shown in FIG. 1B, the waterproof ring 12 cannot abut against the abutting portion 110, causing a gap between the waterproof ring 12 and the abutting portion 110, thereby causing liquid or gas to enter the casing through the gap. Within 10, the internal circuit is not affected by moisture and cannot function properly. Therefore, how to overcome the above-mentioned problems of the prior art has become a problem that is currently being solved. [New content] In view of the above-mentioned lack of prior art, the purpose of the present invention is to provide a button structure that is waterproof in an uncompressed or pressurized state. The button structure of the present invention is a keyhole that is received in the housing, and includes a pressing member that is reciprocally moved in the keyhole and has an abutting portion corresponding to the housing; an elastic waterproof ring And being disposed between the housing and the pressing member, and surrounding the pressing member, when the pressing member is displaced by force, the elastic waterproof ring is used as a waterproof wall between the housing and the abutting portion. In the above button structure, the elastic waterproof ring has a first ring portion adjacent to the center of the ring, a second ring portion away from the center of the ring, and a blocking portion connecting the first and second ring portions, the first ring portion being combined The second ring portion is coupled to the housing, and when the pressing member is displaced by force, the blocking portion is used as the waterproof wall. In the above button structure, the elastic waterproof ring 5 M407474 can be fitted to the inner side or the abutment portion of the casing by a waterproof glue. In the above-mentioned button structure, one end of the pressing member is used for controlling the operation of the circuit board, and the circuit board is disposed in the housing to electrically connect the pressing member to the circuit board when the driving member is actuated, and to control the operation of the circuit board. It can be seen from the above that the button structure of the present invention is mainly designed by the elastic waterproof ring, so that when the pressing member is pressed, the blocking portion will be deeply deployed as a waterproof wall between the housing and the abutting portion, The water vapor is prevented from passing between the inner side of the casing and the abutting portion, so that the waterproof effect is achieved, so that the button structure still has a waterproof function when actuated. [Embodiment] The technical contents of the present invention will be described below by way of specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present invention by the contents disclosed in the present specification. It is to be understood that the structure, the proportions, the size and the like of the drawings are only used in conjunction with the disclosure of the specification for the understanding and reading of those skilled in the art, and are not intended to limit the implementation of the present invention. The conditions are limited, so it is not technically meaningful. Any modification of the structure, change of the proportional relationship or adjustment of the size should remain in this book without affecting the effectiveness and the purpose of the creation. The technical content revealed by the creation can be covered. At the same time, the terms "upper", "lower", "inside", "outside", "inner ring" and "outer ring" as used in this specification are also for convenience of description, not for The scope of the creation of this creation is limited, and the change or adjustment of its relative relationship is also considered to be within the scope of the creation of the creation without substantial change in technical content. Structure 2 in the soil - 2, 8, 2 and 3, respectively, is the key knot of the creation and the cross-sectional view under the pressured t-shaped L, the cross-sectional view under pressure is taken with a thin tape A three-dimensional appearance of the waterproof ring, which can be set on a housing 20 such as a computer or the like: > $ 2 包社. Electronic device 9. The button structure, the body: the body \ 21 and the elastic waterproof ring 22 . 20b, and even, rain: the raft is a cover having an inner side 20a and an outer side 20 for receiving a keyhole 200 through the inner side 20a and the outer side 2〇b, and below the housing, the circuit board 23, the circuit The plate 23 is disposed on the pressing member 21 ί', and the actuation mechanism of the circuit handle 3 is controlled by the pressing member 21. τ. 9ΛΛ ''The pressing member 21 is housed in the keyhole 200 to reciprocate in the keyhole 200, and has a counterfeit portion 210 corresponding to the casing 20'& The pressing member 21 is detached from the inside of the casing 20. The type of the pressing member 21 is various and can be changed as needed, and is not particularly limited. The elastic waterproof ring 22 is located on the inner side of the casing 2〇a and surrounds the pressing member 21′ and has a first ring portion 221 adjacent to the toroidal center G, a second ring portion 222 away from the toroidal center G, and a first ring portion 221 and a second ring portion 222, the lower surface of the first ring portion 221 is coupled to the abutting portion 210 by a waterproof rubber 24, and the upper surface of the second ring portion 222 It is also bonded to the inner side 20a of the casing 20 by the waterproof member 24. Further, the center G of the ring is hollowed out so that the pressing member 21 is passed therethrough, and the waterproof dam 24 has a wide variety. This is well known in the art and will not be described again. The circuit board 23 has an inductive member 23A so that when the pressing member 21 is pressed, the pressing member 21 is electrically connected to the sensing member 230, and M407474 controls the operation of the circuit board. Furthermore, the specifications of the circuit board 23 can also be changed as needed, and are not particularly limited. When the pressing member 21 is not depressed, as shown in Fig. 2A, liquid or gas is prevented from entering the casing 20 by the elastic waterproof ring 22. When the pressing member 21 is pressed, as shown in FIGS. 2B and 3, the blocking portion 220 of the elastic waterproof ring 22 is stretched to be waterproofed between the inner side 20a of the casing 20 and the abutting portion 210. The wall surrounds the periphery of the pressing member 21, so that the gap between the elastic waterproof ring 22 and the abutting portion 210 cannot communicate with the inside of the casing 20, thereby effectively preventing liquid or gas from entering the casing 20 through the gap, thereby The waterproof effect can be achieved, thereby preventing the internal circuit from being affected by moisture and failing to operate normally. It should be further noted that the button structure 2 of the present invention can integrally form the pressing member 21 and the elastic waterproof ring 22, that is, integrally formed by injection molding technology, but if the position of the circuit board 23 relative to the pressing member 21 is considered, The light-emitting diode for guiding the user to press the pressing member 21 is formed in the injection molding process t, and the material of the pressing member 21 is required to have both transparent and hardness characteristics, so that the pressing member 21 can be subjected to The pressure is transmitted to the sensing component 230 of the circuit board 23, and the light source of the light emitting diode of the circuit board 23 can also be emitted, and the material of the elastic waterproof ring 22 is required to have a telescopic characteristic to make the elasticity The waterproof ring 22 has stretchability. Alternatively, a process of connecting the two members of the pressing member 21 and the elastic waterproof ring 22 may be employed. In summary, the button structure of the present invention is designed by the elastic waterproof ring, so that when the pressing member is pressed, the blocking portion of the elastic waterproof ring can form a M407474 waterproof wall, effectively preventing moisture from entering the housing. The button structure has a waterproof function when stopped or actuated. The above embodiments are intended to exemplify the principles of the present invention and its effects, and are not intended to limit the present invention. Anyone who is familiar with the art may modify the above embodiments without departing from the spirit and scope of this creation. Therefore, the scope of protection of this creation should be as listed in the scope of the patent application described later. [Simple description of the drawings] Figures 1A and 1B are the active sectional views of the conventional button structure; the 2A and 2B drawings are the active sectional views of the key structure of the creation; and the 3rd figure is the key structure of the creation A three-dimensional appearance of the elastic waterproof ring under pressure. [Main component symbol description] 1,2 Button structure 10, 20 Housing 10a, 20a Inside 10b, 20b Outside 100, 200 key hole 11, 21 Pressing member 110, 210 Abutting portion 12 Waterproof ring 13, 23 Circuit board 130, 230 Inductive member 9 M407474 22 Elastic waterproof ring 220 stopper 221 first ring portion 222 second ring portion 24 waterproof rubber 9 electronic equipment