1322674 九、發明說明： 【發明所屬之技術領域】 本發明係關於一種滑軌定位裝置，尤指一種適用 於三段式滑執之中軌之定位裝置。 【先前技術】 一般三段式滑執包括一外執、一中執及一内執，1322674 IX. Description of the Invention: [Technical Field] The present invention relates to a slide rail positioning device, and more particularly to a positioning device suitable for a three-stage sliding middle rail. [Prior Art] The general three-stage slipper includes an outside coach, a middle coach and a slave.
其中’外執套設於中轨，中轨套設於内執，外轨固定 於一固定物體，如櫥櫃等，内軌則固定於抽屜側壁， 透過各相鄰軌體之光滑執道或裝設於軌體之複數助 滑件，内軌及中執可相對於外軌做拉伸或縮入方向之 滑動，以便將抽屜拉出或推入櫥櫃。為防止各相鄰軌 體間意外滑動，三段式滑執一般設有定位裝置，只有 當定位裂置處讀鎖狀態時’相應倾間才能做拉伸 或縮入滑動。The 'outside handle is set on the middle rail, the middle rail sleeve is set on the inner handle, the outer rail is fixed on a fixed object, such as a cabinet, and the inner rail is fixed on the side wall of the drawer, and the smoothness or the installation through the adjacent rail bodies The plurality of sliding members are disposed on the rail body, and the inner rail and the middle rail are slidable in the direction of stretching or retracting relative to the outer rail to pull or push the drawer into the cabinet. In order to prevent accidental sliding between adjacent rails, the three-stage sliding is generally provided with a positioning device, and only when the positioning is in the locked state, the corresponding tilting can be stretched or retracted.
現有二段式抽屜滑執對中軌之定位裝置多為一 裝設於中執、可樞轉之卡抵件，該外轨設有凸出德 塊，該卡抵件以-雜元件偏置而抵頂於該外執之抵 塊，使中執不能自由地縮入外軌；當内執推入時，i :部抵頂針抵件錄動其轉，㈣使該卡抵件不 ^抵頂於純塊，㈣巾财純。卡抵件 該彈性元件彈性變形;該内軌之端 ^ /知力後，該卡抵件在彈性元件之回復 下恢復原位。惟’多次反復變形易於損傷彈性 7 1322674 元件之彈性，從而影響卡抵件對中軌之定位，以至影 響滑軌之使用壽命。 【發明内容】 鑒於以上内容，有必要提供一種適用於三段式滑 軌之中轨之定位裝置。 一種滑軌定位裝置，用於一滑執之定位，該滑軌 包括一外軌、一中執及一内執，該内轨收容於該中 軌，該中執收容於該外轨，該内軌用於解除該滑執定 位裝置對中軌之定位，該滑軌定位裝置包括一定位件 及一解鎖件，該定位件之一端固定於該中軌，另一端 包括一定位片，該解鎖件包括兩側邊及兩抵塊，該中 執設有兩收容槽及一穿槽，該外軌設有一折片，該定 位片穿過該中軌之穿槽卡抵於該外轨之折片將該中 軌定位，該解鎖件之兩抵塊分別收容於該中執之兩收 容槽，並鄰近於該定位件，該内軌按壓該解鎖件之兩 側邊，該解鎖件受力轉動，該兩抵塊橇動該定位件， 將其定位片自該外執之折片解鎖。 相較習知技術，該滑軌定位裝置借助解鎖件之轉 動來解鎖定位件，從而使滑執定位裝置不易損壞，有 利於延長滑轨之使用壽命。 【實施方式】 請參閱圖1及圖2，為本發明滑軌定位裝置之較 佳實施方式，其用於將三段式滑執之中執20相對於 8 1322674 外軌24定位，一内軌28用於解除中執20之定位， 該滑軌定位裝置包括一定位件40及一解鎖件60，一 鉚釘80將定位件40固定於中軌20。 定位件40之主體42為一近似“凸”字形之片 體，其凸出之一端於兩側邊緣向下彎折有兩定位片 44，每一定位片44近似三角形，包括一定位邊442 及一斜邊444,定位邊442係垂直於定位片40之主體 42向下延伸。主體42之另一端開設有一穿孔46，用 於將定位件40固定於中軌20上。 解鎖件60為一 “门”形框體，其包括兩相對之 側邊62及連接於兩側邊62之間之一底邊64。每一側 邊62包括一平滑之滑動面622及一彎折之底面624， 底面624包括一抵頂面626，抵頂面626之端部628 為弧形，抵頂面626之側邊形成一抵塊630及一凸塊 632。兩抵頂面626之側邊之抵塊630分別向内相向 延伸，兩凸塊632則分別向垂直於對應抵頂面626之 方向凸出。每一側邊62鄰接其抵塊630之一端分別 向内相向延伸設有一樞軸634，樞軸634與對應的抵 塊630形成近似“L”形。 中執20包括一腹板202及自腹板202之兩側彎 折之兩側臂204，腹板202之中部向上凸起形成一凸 起部206。凸起部206之一端開設有一通孔208，鉚 釘80穿過定位件40之穿孔46及中軌20之通孔208 可將定位件40裝設於中轨20。中轨20之凸起部206 9 1322674 於鄰近通孔208處開設有兩“L”形之收容槽210,用 於收容解鎖件60之對應的框軸634及抵塊630。中軌 - 20之凸起部206上還對應定位件40之定位片44開設 ； 有兩穿槽212。中轨20内設有複數助滑件214。 外軌24包括一腹板242及自腹板242之兩側彎 折之兩侧臂244’中軌20收容於外軌24之兩側臂244 之間，透過複數設於外軌24之侧臂244内之助滑件 246，中軌20可相對於外軌24做拉伸或縮入之縱向 鲁 滑動。外軌24之腹板242於距離其端部適當距離處 設有一向内彎折之折片248，定位件40之定位片44 分別穿過中軌20之對應之穿槽212後，卡抵於外軌 24之折片248 ’從而限制中軌2〇相對於外轨24於縮 入方向之滑動。 内轨28包括一腹板282及自腹板282之兩側彎 折之兩側臂284,内轨28收容於中執20之兩側臂204 φ 之間’透過複數設於中軌20之助滑件214，内軌28 可相對於中軌20做拉伸或縮入之縱向滑動。 請參閱圖3及圖4,安裝時，將解鎖件60之樞軸 634及抵塊630共同收容於中軌2〇之對應之收容槽 210 ’凸塊632則穿過對應之收容槽21〇伸入中執2〇 之凸起部206之另一側，將定位件4〇之定位片44分 別穿過中執20之穿槽212，以鉚釘80穿過定位件40 之穿孔46及中軌20之通孔208，從而將定位件40裝 設於中執20之凸起部206。此時，解鎖件60因其抵 10 塊630為定位件40之主體42壓制而被裝設於中執 20 ’抵頂面626抵頂於中執20之腹板202，解鎖件 60之枢軸634可防止解鎖件60相對於中轨20之縱向 移動。將中軌20裝設有定位件40之一端收容於外執 24 ’並推動中軌2〇之另一端使其縮入外執24，當定 位件40之兩片定位片44之定位邊442分別卡抵於外 執24之折片248時，中轨20無法繼續縮入外轨24。 將内軌28之對應端部收容於中執20遠離定位件40 之一端，並推動内軌28使其縮入中軌20。 請參閱圖5，當内軌28相對於中執20縮入一定 距離後’其腹板282之端部抵頂於解鎖件60之側邊 62，繼續推動内軌28，其端部沿滑動面622滑動，並 逐漸下壓解鎖件60之侧邊62，直至内軌28之腹板 282壓制於解鎖件60之底邊64。此過程中，解鎖件 60以其抵頂面626之端部628為支點轉動，抵頂面 626逐漸脫離中軌20之腹板202，抵塊630抵頂定位 件40之主體42,從而撬動定位件40之自由端向遠離 外軌24之方向彈性變形’定位件40之定位片44脫 離外轨24之折片248 ’從而解除對中轨2〇之定位， 使其可以繼續相對外軌24向内滑動直至完全縮入。 滑軌拉伸時，内執28首先向外拉伸，從而解除 其端部對解鎖件60之壓制，解鎖件6〇及定位件4〇 於定位件40之主體42之彈性回復力作用下復位。中 軌20相對於外執24拉伸時，定位件4〇之定位片44 11 1322674 之斜邊444抵頂於外軌24之折片248並沿其表面滑 動，定位片44之自由端略向遠離外執24之方向變 形，直至定位片44越過折片248後，定位件40恢復 原狀，此時，中軌20只能繼續向外滑動或保持靜止， 無法相對外軌24向内縮入，即被單向定位。内軌28 相對於中執20之滑動另設有其他單向或雙向之定位 裝置，本發明不做詳述。 當然，在實際運用中有需要時，或在裝設内執28 前，使用者也可以用手指按壓解鎖件60之側邊62或 底邊64，同時内推中執20，以解除定位件40對中執 20之定位，使中執20可以完全縮入外軌24。 綜上所述，本發明符合發明專利要件，爰 依法提出專利申請。惟，以上所述者僅為本發 明之較佳實施例，舉凡熟悉本案技藝之人士， 在爰依本發明精神所作之等效修飾或變化，皆 應涵蓋於以下之申請專利範圍内。 【圖式簡單說明】 圖1係本發明滑軌定位裝置較佳實施方式之立體 分解圖。 圖2係本發明滑軌定位裝置較佳實施方式之解鎖 件之另一方向視圖。 圖3係本發明滑執定位裝置較佳實施方式之立體 組合圖。 12 1322674 圖4係圖3中n-m部分之剖視圖。 圖5係圖4中定位件之解鎖狀態圖 【主要元件符號說明】 中轨 20 腹板 202、242、282 側臂 凸起部The positioning device of the existing two-stage drawer sliding centering rail is mostly a middle-holding and pivotable card-receiving member, and the outer rail is provided with a protruding block, which is biased by the miscellaneous component. Resist the stagnation of the foreigner, so that the middle can not be freely retracted into the outer track; when the internal push is pushed, i: the part of the thimble is not allowed to move, (4) the card is not Pure block, (four) towel pure. The card member is elastically deformed; after the end of the inner rail is ok, the card member returns to the original position under the return of the elastic member. However, repeated deformations tend to damage the elasticity of the elastic element, which affects the positioning of the centering rail of the carding member, and thus affects the service life of the rail. SUMMARY OF THE INVENTION In view of the above, it is necessary to provide a positioning device suitable for a three-stage rail intermediate rail. A slide rail positioning device is used for positioning of a slide, the slide rail includes an outer rail, a middle handle and an inner handle, and the inner rail is received in the middle rail, and the middle rail is received in the outer rail, and the inner rail is used for the inner rail The positioning device includes a positioning member and an unlocking member, the one end of the positioning member is fixed to the middle rail, and the other end includes a positioning piece, and the unlocking member includes two The side and the two abutting blocks are provided with two receiving slots and a through slot. The outer rail is provided with a flap, and the positioning piece passes through the slot of the middle rail to abut the flap of the outer rail. In the rail positioning, the two abutting blocks of the unlocking member are respectively received in the two receiving slots of the middle and adjacent to the positioning member, the inner rail presses the two sides of the unlocking member, and the unlocking member is rotated by force, and the two abutting blocks are The positioning member is sled and the positioning piece is unlocked from the outer flap. Compared with the prior art, the slide positioning device unlocks the positioning member by the rotation of the unlocking member, so that the sliding positioning device is not easily damaged, and the service life of the sliding rail is prolonged. [Embodiment] Please refer to FIG. 1 and FIG. 2, which are a preferred embodiment of a slide rail positioning device according to the present invention, which is used for positioning a three-stage sliding handle 20 relative to an 8 1322674 outer rail 24, an inner rail 28 For positioning of the middle handle 20, the slide rail positioning device includes a positioning member 40 and an unlocking member 60. A rivet 80 fixes the positioning member 40 to the middle rail 20. The main body 42 of the positioning member 40 is an approximately "convex" shaped sheet. One of the protruding ends is bent downwardly at two side edges with two positioning pieces 44. Each positioning piece 44 is approximately triangular, and includes a positioning edge 442 and A beveled edge 444 extends downwardly perpendicular to the body 42 of the locating tab 40. The other end of the main body 42 defines a through hole 46 for fixing the positioning member 40 to the middle rail 20. The unlocking member 60 is a "door" shaped frame that includes two opposing side edges 62 and a bottom edge 64 that is coupled between the two side edges 62. Each side edge 62 includes a smooth sliding surface 622 and a curved bottom surface 624. The bottom surface 624 includes an abutting surface 626. The end portion 628 of the top surface 626 is curved, and a side of the top surface 626 forms a side. Block 630 and a bump 632. The abutting blocks 630 of the two abutting top surfaces 626 extend inwardly toward each other, and the two projections 632 respectively protrude in a direction perpendicular to the corresponding abutting surface 626. Each of the side edges 62 adjacent to one end of the abutting block 630 extends inwardly oppositely to form a pivot 634, and the pivot 634 forms an approximately "L" shape with the corresponding abutting block 630. The middle handle 20 includes a web 202 and two side arms 204 bent from both sides of the web 202. The middle portion of the web 202 is upwardly convex to form a convex portion 206. One end of the boss 206 defines a through hole 208. The rivet 80 passes through the through hole 46 of the positioning member 40 and the through hole 208 of the middle rail 20 to mount the positioning member 40 to the middle rail 20. The protrusions 206 9 1322674 of the middle rail 20 are provided with two "L"-shaped receiving slots 210 adjacent to the through holes 208 for receiving the corresponding frame shaft 634 and the abutting block 630 of the unlocking member 60. The positioning piece 44 of the positioning member 40 is also formed on the convex portion 206 of the middle rail - 20; there are two through slots 212. A plurality of sliding members 214 are disposed in the middle rail 20. The outer rail 24 includes a web 242 and two side arms 244' bent from both sides of the web 242. The middle rail 20 is received between the two arms 244 of the outer rail 24, and is passed through a plurality of side arms 244 disposed on the outer rail 24. In the inner sliding member 246, the middle rail 20 can be stretched or retracted longitudinally with respect to the outer rail 24. The web 242 of the outer rail 24 is provided with an inwardly bent flap 248 at an appropriate distance from the end thereof. The positioning piece 44 of the positioning member 40 passes through the corresponding through slot 212 of the middle rail 20, respectively, and is stuck to The flap 248' of the outer rail 24 thus limits the sliding of the middle rail 2〇 relative to the outer rail 24 in the retracting direction. The inner rail 28 includes a web 282 and two side arms 284 bent from the two sides of the web 282. The inner rail 28 is received between the two sides of the middle handle 204 φ φ through the plurality of auxiliary slides disposed on the middle rail 20 214, the inner rail 28 is longitudinally slidable relative to the middle rail 20 for stretching or retracting. Referring to FIG. 3 and FIG. 4 , the pivot 634 of the unlocking member 60 and the resisting block 630 are collectively received in the corresponding receiving slot 210 of the middle rail 2 ′. The protruding block 632 extends through the corresponding receiving slot 21 . On the other side of the raised portion 206 of the middle member, the positioning piece 44 of the positioning member 4 is passed through the through slot 212 of the middle handle 20, respectively, and the rivet 80 passes through the through hole 46 of the positioning member 40 and the middle rail 20. The hole 208 is configured to mount the positioning member 40 to the boss portion 206 of the middle handle 20. At this time, the unlocking member 60 is mounted on the web 20 of the middle handle 20 affixed against the top surface 626 by the base member 42 of the positioning member 40 being pressed against the block 630. The pivot 634 of the unlocking member 60 can be prevented. The unlocking member 60 moves relative to the longitudinal direction of the middle rail 20. One end of the middle rail 20 is provided with the positioning member 40 and is received in the outer holder 24' and pushes the other end of the middle rail 2 to be retracted into the outer holder 24, when the positioning edges 442 of the two positioning pieces 44 of the positioning member 40 are respectively When the card is against the flap 248 of the outer handle 24, the middle rail 20 cannot continue to retract into the outer rail 24. The corresponding end of the inner rail 28 is received at one end of the middle handle 20 away from the positioning member 40, and the inner rail 28 is pushed to retract into the middle rail 20. Referring to FIG. 5, when the inner rail 28 is retracted by a certain distance with respect to the middle handle 20, the end of the web 282 abuts against the side edge 62 of the unlocking member 60, and continues to push the inner rail 28 with the end portion along the sliding surface 622. Slide and gradually press down the side 62 of the unlocking member 60 until the web 282 of the inner rail 28 is pressed against the bottom edge 64 of the unlocking member 60. During this process, the unlocking member 60 rotates with the end portion 628 of the abutting surface 626 as a fulcrum, and the abutting surface 626 gradually disengages from the web 202 of the middle rail 20, and the abutting block 630 abuts against the main body 42 of the positioning member 40, thereby tilting The free end of the positioning member 40 is elastically deformed away from the outer rail 24. The positioning piece 44 of the positioning member 40 is disengaged from the flap 248' of the outer rail 24 to release the positioning of the centering rail 2, so that it can continue to the outer rail 24 Slide inward until it is fully retracted. When the slide rail is stretched, the inner handle 28 is first stretched outward, thereby releasing the pressing of the end portion of the unlocking member 60, and the unlocking member 6〇 and the positioning member 4 are reset by the elastic restoring force of the main body 42 of the positioning member 40. . When the middle rail 20 is stretched relative to the outer handle 24, the beveled edge 444 of the positioning piece 44 11 1322674 of the positioning member 4 abuts against the flap 248 of the outer rail 24 and slides along the surface thereof, and the free end of the positioning piece 44 is slightly oriented. The deformation of the positioning member 40 is restored until the positioning piece 44 passes over the flap 248. At this time, the middle rail 20 can only continue to slide outward or remain stationary, and cannot be retracted inwardly relative to the outer rail 24. That is, it is positioned in one direction. The inner rail 28 is further provided with other one-way or two-way positioning means with respect to the sliding of the middle handle 20, which will not be described in detail in the present invention. Of course, in actual use, or before installing the inner handle 28, the user can also press the side 62 or the bottom edge 64 of the unlocking member 60 with a finger, while pushing the middle 20 to release the pair of positioning members 40. The positioning of the middle 20 allows the middle executive 20 to be fully retracted into the outer rail 24. In summary, the present invention complies with the requirements of the invention patent, and proposes a patent application according to law. However, the above description is only the preferred embodiment of the present invention, and equivalent modifications or variations made by those skilled in the art of the present invention should be included in the following claims. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective exploded view of a preferred embodiment of a slide rail positioning device of the present invention. Fig. 2 is a view showing another direction of the unlocking member of the preferred embodiment of the slide rail positioning device of the present invention. Figure 3 is a perspective assembled view of a preferred embodiment of the slider positioning device of the present invention. 12 1322674 Figure 4 is a cross-sectional view of the n-m portion of Figure 3. Figure 5 is an unlocking state diagram of the positioning member in Figure 4. [Main component symbol description] Middle rail 20 web 202, 242, 282 side arm boss
收容槽 助滑件 折片 定位件 定位片 斜邊 解鎖件 滑動面Storage groove, sliding member, flap, positioning piece, positioning piece, beveled edge, unlocking piece, sliding surface
204、 244、 .284 206 通孔 210 穿槽 214、 246 外執 248 内執 40 主體 44 定位邊 444 穿孔 60 側邊 622 底面 626 端部 630 凸塊 634 底邊 80 208 212 24 28 42 442 46 62 624 628 632 64 抵頂面 抵塊 樞軸 鉚釘 13204, 244, .284 206 through hole 210 through slot 214, 246 outer 248 inner 40 main body 44 positioning edge 444 perforation 60 side 622 bottom surface 626 end 630 bump 634 bottom edge 80 208 212 24 28 42 442 46 62 624 628 632 64 abutting against the block pivot rivet 13