M441522 五、新型說明： ‘【新型所屬之技術領域】 本創作係涉及一種撞擊式灑水器，特別是指利用限位 環框而將撥桿部保持限位於限位環框内，以使撞擊式灑水 器能確實執行轉向動作之創新型態設計者。 【先前技術】 按，撞擊式灑水器運用於灌溉大面積作物與園藝已是 相當常見，概因撞擊式灑水器係能夠進行環周狀區域範圍 _之循環式或往復式灑水動作，而為了進一步提升撞擊式灑 _水器之實用性，遂有業者研發出可傾擺調整之撞擊式灑水 器，藉由向上或向下傾擺調整撞擊式灑水器而能夠改變出 水的角度（即向上傾擺時，水流拋物線的噴麗距離較遠， 反之則較近），以符合使用者多元的需求；而本創作所欲 探討者，即是針對此種可傾擺調整之撞擊式灑水器的轉向 結構加以研究改良。 以習知撞擊式灑水器的結構組成而言，通常係由主體 、設於主體底部之接水管部、裝設於主體上之擺動架、轉 向結構以及傾擺轉動結構所組成，其中，該轉向結構通常 ®係包括有設置於接水管部外側呈可轉動狀態之二限位擋片 以及設置於本體一側向下延伸至二限位擋片之間的撥動桿 所構成，當本體藉由擺動架帶動進行轉動時，係一併帶動 撥動桿至抵觸其中一限位擋片，令撥動桿產生偏擺而連動 内部構件以使本體進行轉向；然而，習知的撥動桿係位於 二限位擋片之間，由於該二限位擋片外圍並無任何限位結 構而呈開放狀態，故當主體向上傾擺轉動時，往往會產生 撥桿位置超出限位擋片上方而無法相互抵觸之窘境，進而 導致本體喪失轉向功能而無法確實轉向灑水，造成灌溉灑 水量不均、大幅降低使甩便利性及實同性等缺弊： 是以，針對上述習知結構所存在之問題點，如何開發 M441522 一種更具理想實用性之創新結構，實使用者所企盼，亦係 相關業者須努力研發突破之目標及方向。 有鑑於此，創作人本於多年從事相關產品之製造開發 與設計經驗，針對上述之目標，詳加設計與審慎評估後， 終得一確具實用性之本創作。 【新型内容】 本創作之主要目的，係在提供一種撞擊式灑水器之結 構改良；其所欲解決之問題點，係針對習知撞擊式灑水器 φ所存在之問題點加以改良突破； 本創作解決問題之技術特點，主要藉由該撞擊式灑水 器結構組成係包括一本體，包括有一架部，且於鄰近該架 部之下緣則設有一喷水頭，其中該本體下端另設置有一接 管部；一導轉構件，設置於該本體之架部，包括一扭轉彈 簧及一擺轉件，其中該擺轉件之一側具有一第一止擋部， 且該擺轉件係對應於該噴水頭前端間隔位置處，藉由喷水 頭所噴出之水源能帶動擺轉件往復擺動，以帶動該本體作 轉向動作；一傾擺調整構件，設置於該本體之架部與接管 φ部之間，以使該本體呈可傾擺調整狀態而能夠改變噴水頭 的出水角度；一轉向控制組件，設置於該本體之架部一側 ，包括一第二止擋部以及設於該第二止擋部下方呈可擺動 且向下延伸之撥桿部，藉由干涉該撥桿部而能連動該第二 止擋部與第一止擋部呈對位或錯位狀態，藉以使本體能夠 變換轉向；一轉向限位構件，設置於該接管部預定位置處 用以限位、干涉該撥桿部，係包括至少一限位環框，間隔 設置於該接管部外側；第一限位件，呈延伸桿體型態組設 於該接管部，且橫向連接該限位環框，該第一限位件係能 夠連動限位環框沿該接管部圓周方向轉動調整位置；第二 限位件，呈延伸桿體型態組設於該接管部，且位於該第一 M441522M441522 V. New description: '[New technology field] This creation relates to a percussive sprinkler, in particular to the use of a limit ring frame to keep the lever part within the limit ring frame to make the impact The type of sprinkler can truly perform the innovative design of the steering action. [Prior Art] According to the use of percussive sprinklers for irrigating large-area crops and horticulture, it is quite common for percussive sprinklers to perform cyclic or reciprocating sprinkling operations in the circumferential region. In order to further improve the practicability of the percussive sprinkler, the manufacturer has developed a tilting sprinkler that can be tilted and adjusted to change the angle of the water by tilting the impact sprinkler up or down. (ie, when the pendulum is tilted upwards, the parabola of the water flow is farther away, and vice versa), in order to meet the diverse needs of the user; and the author of this creation is the percussive type for this tiltable adjustment. The steering structure of the sprinkler has been researched and improved. In terms of the structural composition of the conventional percussive sprinkler, it is generally composed of a main body, a water receiving portion provided at the bottom of the main body, a swing frame mounted on the main body, a steering structure, and a tilting rotating structure, wherein The steering structure usually includes a two-position blocking piece which is disposed in a rotatable state outside the water-receiving pipe portion, and a toggle lever which is disposed on a side of the body and extends downwardly between the two limiting blocks. When the swinging frame is driven to rotate, the toggle lever is driven to abut against one of the limit stops, so that the toggle lever is biased to interlock the internal components to steer the body; however, the conventional toggle lever is Between the two limit stops, since the outer periphery of the two limit stop has no limit structure and is open, when the main body tilts upward, the position of the lever is often exceeded above the limit stop. Unable to contradict each other, which leads to the loss of steering function of the ontology and the inability to actually turn to sprinkling water, resulting in uneven irrigation and sprinkling, which greatly reduces the convenience and similarities of the cockroaches: The existence of structural problems, how to develop an innovative structure ideal M441522 it more practical, real hope for the user, also was related industry must strive to develop goals and direction of the breakthrough. In view of this, the creator has been engaged in the manufacturing development and design experience of related products for many years. After detailed design and careful evaluation of the above objectives, the creator will have a practical and practical creation. [New content] The main purpose of this creation is to provide a structural improvement of the percussive sprinkler; the problem to be solved is to improve the problem of the conventional impact sprinkler φ; The technical feature of the present invention is that the impact sprinkler structure comprises a body comprising a frame, and a water jet head is disposed adjacent to the lower edge of the frame, wherein the lower end of the body is further a connecting portion is disposed; a guiding member is disposed on the frame portion of the body, and includes a torsion spring and a swinging member, wherein a side of the swinging member has a first stopping portion, and the swinging member is Corresponding to the position of the front end of the water jet head, the water source sprayed by the water jet head can drive the swinging member to reciprocate and swing to drive the body to perform a steering motion; a tilting adjusting member is disposed on the frame portion and the take-up of the body Between the φ portions, the body can be tilted and adjusted to change the water outlet angle of the water jet head; a steering control assembly is disposed on the side of the frame portion of the body, including a second stop portion and a swayable and downwardly extending lever portion below the second stop portion, by interfering with the lever portion, the second stop portion can be interlocked with the first stop portion in a misaligned or misaligned state, thereby The steering body is capable of changing the steering direction; a steering limiting member is disposed at the predetermined position of the connecting portion for limiting and interfering with the lever portion, and includes at least one limiting ring frame disposed at an outer side of the connecting portion; The limiting member is disposed in the connecting portion of the connecting rod portion and laterally connected to the limiting ring frame, wherein the first limiting member is capable of rotating the limiting ring frame to rotate the adjusting position along the circumferential direction of the connecting portion; The second limiting member is disposed in the connecting portion in an extended rod body type, and is located in the first M441522
限位件上方或下方位置處，能夠沿該接管部圓周方向轉動 調整位置，該第二限位件係至少橫向延伸至該限位環框； 藉此獨特創新設計，使本創作對照先前技銜而言，俾可利 用該轉向限位構件之限位環框，當本體向上或向下傾擺調 整時，該撥桿部係能保持限位於該限位環框内，令該第一 或第二限位件能干涉該撥桿部而使本體保有變換轉向之動 作，以防止本體向上或向下傾擺時該，撥桿部無法接觸第 第二限位件而無法作轉向動作之問題點，藉以使撞擊式灑 水器產品能夠確實執行轉向動作對周遭進行灑水，達到提 升產品實用性以及使用便利性等實用效益 【實施方式】 請參閱第1至5圖所示，係本創作所述撞擊式灑水器 之結構改良之較佳實施例，惟此等實施例僅供說明之用， 在專利申請上並不受此結構之限制。所述撞擊式〉麗水器05 係包括： 一本體10，包括有一架部11，且於鄰近該架部11之下 緣則設有一噴水頭12，其中該本體10下端係另設置有一接 管部13 ; 一導轉構件20，設置於.該本體10之架部11，包括一扭 轉彈簧21及一擺轉件22，其中該擺轉件22之一側具有一第 一止擋部23，且該擺轉件22係對應於該喷水頭12前端間隔 位置處；其中該本體10下端之接管部13係用以配合連接水 管（圖面未示），以使水源能夠通過接管部13後進入架部 11，再藉由噴水頭12噴出，並使噴出之水源能帶動擺轉件 22往復擺動（擺轉件22擺動狀態圖面未示），以帶動該本 體10作轉向動作； 一傾擺調整構件30，設置於該本體10之架部11與接管 部13之間，以使該本體10呈可傾擺調整狀態而能夠改變噴The position of the upper or lower position of the limiting member can be rotated along the circumferential direction of the connecting portion, and the second limiting member extends at least laterally to the limiting ring frame; thereby, the unique and innovative design enables the creation to compare the previous technical title In addition, the limit ring frame of the steering limit member can be utilized, and when the body is tilted up or down, the lever portion can be kept within the limit ring frame, so that the first or the first The second limiting member can interfere with the lever portion to keep the body changing the steering action, so as to prevent the lever portion from contacting the second limiting member and failing to perform the steering action when the body is tilted up or down. In order to enable the percussive sprinkler product to perform the steering action to sprinkle the surrounding water, to achieve practical benefits such as improved product usability and ease of use [Embodiment] Please refer to Figures 1 to 5, which is the creative office. The preferred embodiment of the structural improvement of the percussive sprinkler is provided for illustrative purposes only, and is not limited by this structure in the patent application. The impact type 丽水器 05 includes: a body 10 including a frame portion 11 and a water jet head 12 adjacent to the lower edge of the frame portion 11, wherein the lower end of the body 10 is further provided with a nozzle portion 13 A guide member 20 is disposed on the frame portion 11 of the body 10, and includes a torsion spring 21 and a swinging member 22, wherein one side of the swinging member 22 has a first stopping portion 23, and The swinging member 22 corresponds to the position of the front end of the water jet head 12; wherein the connecting portion 13 at the lower end of the body 10 is used to match the connecting water pipe (not shown) so that the water source can pass through the connecting portion 13 and enter the frame. The portion 11 is further ejected by the water jet head 12, and the ejected water source can drive the swinging member 22 to reciprocately swing (the swinging member 22 is not shown in the swinging state) to drive the body 10 for steering operation; The member 30 is disposed between the frame portion 11 of the body 10 and the connecting portion 13 so that the body 10 can be tilted and adjusted to change the spray.
M441522 水頭12的岀水角度（請配合參閱第6 、7圖）； 一轉向控制組件40，設置於該本體10之架部11 一 包括一第二止擋部41以及設於該第二止擋部41下方呈 動且向下延伸之撥桿部42，藉由干涉該撥桿部42而能 該第二止擋部41與第一止擋部23呈對位或錯位狀態， 使本體10能夠變換轉向；此外，本實施例所揭第一止 23係設於該擺轉件22底部呈勾狀塊體型態，而第二止 41係設於該本體10之架部11 一側呈長形塊體型態，該 止擋部41之一端係形成能夠與第一止擋部23相對位之 43，且該第二止擋部41置中位置處係樞設有一樞軸44 標示於第3圖），藉由該撥桿部42左、右傾擺而能夠 該第二止擋部41以該枢軸44為軸心作擺動，以使勾部 升與第一止擋部23呈對位狀態或者下降與第一止擋部 錯位狀態（如第3圖所示，係為勾部43與第一止擋部 對位狀態）。 一轉向限位構件50，設置於該接管部13預定位置 以限位、干涉該撥桿部42 (請配合參閱第5圖），係 至少一限位環框51，間隔設置於該接管部13外側 鲁實施例係為間隔配置之二限位環框51 ); 第一限位件52，呈延伸桿體型態組設於該接管部 且橫向連接該限位環框51，該第一限位件52係能夠連 位環框51沿該接管部13圓周方向轉動調整位置； 第二限位件53，呈延伸桿體型態組設於該接管部 且位於該第一限位件52上方或下方位置處，能夠沿該 部13圓周方向轉動調整位置，該第二限位件53係至少 延伸至該限位環框51 ; 藉此，俾可利用該轉向限位構件50之限位環框51 本體10向上或向下傾擺調整時，該撥桿部42係能係持 於該限位環框51内，令該第一或第二限位件52、53能 側， 可擺 連動 藉以 擋部 擋部 第二 勾部 (僅 控制 43抬 23呈 23呈 處用 包括 (本 13， 動限 13， 接管 橫向 限位 干涉 M441522 該撥桿部42而使本體10保有變換轉向之動作，達到防 ‘體10向上或向下傾擺時該撥桿部42無法接觸第一、第 位件52、53而無法作轉向動作之問題點。 茲就本創作可具體實施型態說明如下： 請配合參閱第1 、4 、5圖所示，其中該轉向限 件50所設第一限位件52係包括呈環狀之一組接部521 由該組接部521外側一體延伸之連接桿522所構成， 該組接部521係能配合組設於該接管部13外側，而該 $桿522係能連接該限位環框51 ;而該連接桿522之一 胃形成有成寬擴面型態之手持部54A ，藉以能供使用者 握持， 此外，該第二限位件53係包括呈環狀之一套合部 以及由該套合部531外側一體延伸之擋桿532所構成 套合部531係能配合套設於該接管部13外側；而該擋 32之一端同樣形成有成寬擴面型態之手持部54B ，以 使用者握持調整第二限位件53。 本實施例中，該第一限位件52所設組接部521與 限位件53所設套合部531内側係設有多數間隔配置的 β齒61，而該接管部外側係配合環設有至少一卡緣62， 使該第一、第二限位件52、53調整時具有分格定位效 請配合參閱第2及6至8圖所示，其中該傾擺調 件30係包括設置於接管部13頂端之一軸座31以及能配 設於軸座31之樞軸部32 ;其中該軸座31係能組接於該 10所設架部11 一側，而該枢軸部32係能穿設通過該架 並與軸座31達成樞組狀態，以使本體10能以該樞軸部 軸心傾擺轉動，進而能夠改變噴水頭12之出水角度， 施例中，該軸座31之一側與架部11底端係配合設置有 定位構件70，該卡合定位構件70係以彈性凸緣配合定 所構成之彈性卡固型態為較佳（請配合參閱第8圖） 止本 二限 位構 以及 其中 連接 端係 手部 531 ，該 桿5 方便 第二 定位 藉以 果。 整構 合樞 本體 部11 32為 本實 卡合 位孔 M441522 以使本體10轉動時具有卡合定位之效果；而當本體10向上 '傾擺時（如第7圖所示），該撥桿部42係能限位於外側之 限位環框51 (本實施例係為間隔配置的二限位環框51型態 )内，或者如第6圖所示，當本體10向下傾擺時，撥桿部 42係能限位於内側之限位環框51，故本體10無論向上或向 下傾擺，該第一或第二限位件52、53皆能接觸且干涉該撥 桿部42，而使本體10保有變換轉向之功能。 功效說明： φ本創作功效增進之事實如下： 本創作所揭「撞擊式灑水器之結構改良」主要藉由轉 向限位構件所設限位環框之創新結構，使本創作對照先前 技術而言，當本創作之本體向上或向下傾擺調整時，轉向 控制組件所設撥桿部係皆能保持限位於該限位環框内，令 該轉向限位構件之第一或第二限位件能干涉該撥桿部而使 本體保有變換轉向之動作，以防止本體向上或向下傾擺時 ，撥桿部無法接觸第一、第二限位件而喪失轉向動作功能 ，藉以使撞擊式灑水器產品能夠確實執行轉向動作對周遭 進行灑水，達到提升產品實用性以及使用便利性等實用效 益 上述實施例所揭示者係藉以具體說明本創作，且文中 雖透過特定的術語進行說明，當不能以此限定本新型創作 之專利範圍；熟悉此項技術領域之人士當可在瞭解本創作 之精神與原則後對其進行變更與修改而達到等效目的，而 此等變更與修改，皆應涵蓋於如后所述申請專利範圍所界 定之範疇中。 8 M441522 【圖式簡單說明】 '第1圖：本創作之分解立體圖。 第2圖：本創作之組合立體圖。 第3圖：本創作之側視圖。 第4圖：本創作第二限位件調整狀態示意圖。 第5圖：本創作撥桿部與第一、第二限位件位置狀態示意 圖。 第6圖：本創作向下傾擺調整狀態示意圖。 第7圖：本創作向上傾擺調整狀態示意圖。 φ第8圖：本創作設有卡合定位構件之局部放大立體圖。 [ 主 要 元件符號說明 ] 撞 擊 式 灑 水 器 0 5 本 體 架 部 1 1 噴 水 頭 接 管 部 1 3 導 轉 構 件 扭 轉 彈 簧 2 1 擺 轉 件 第 一 止 擋 部 2 3 傾 擺 調 整 構件 轴 座 3 1 插 轴 部 轉 向 控 制 組 件 4 0 第 二 止 擋 部 撥 桿 部 4 2 勾 部 轉 向 限 位 構 件 5 0 限 位 環 框 第 — 限 位 件 5 2 組 接 部 連 接 桿 5 2 2 第 二 限 位 件 套 合 部 5 3 1 擋 桿 年 持 部 5 4 A 、5 4 B 定 位 齒 6 1 卡 緣 卡 合 定 位 構 件 7 0 4 1 4 3 10 12 2 0 2 2 5M441522 The water level of the water head 12 (please refer to the figures of FIGS. 6 and 7); a steering control unit 40, the frame portion 11 disposed on the body 10 includes a second stopping portion 41 and is disposed at the second stopping portion. The lever portion 42 extending downwardly and extending downwardly of the portion 41 can interfere with the lever portion 42 to enable the second stopper portion 41 to be aligned or dislocated with the first stopper portion 23, thereby enabling the body 10 to be In addition, the first stop 23 of the present embodiment is disposed at the bottom of the swinging member 22 in a hook-like block shape, and the second stop 41 is disposed on the side of the frame portion 11 of the body 10. a block type, one end of the stop portion 41 is formed to be opposite to the first stop portion 23, and the second stop portion 41 is pivotally provided with a pivot 44 at the center of the stop portion 41. 3)), the second stopper portion 41 can be pivoted about the pivot shaft 44 by tilting the left and right portions of the lever portion 42 so that the hook portion is in alignment with the first stopper portion 23 Alternatively, the state in which the first stopper is displaced (as shown in FIG. 3 is the state in which the hook portion 43 is aligned with the first stopper). A steering limiting member 50 is disposed at a predetermined position of the connecting portion 13 to limit and interfere with the lever portion 42 (please refer to FIG. 5), and is at least one limiting ring frame 51 spaced apart from the connecting portion 13 The outer limiting embodiment is a second limiting ring frame 51); the first limiting member 52 is disposed in the connecting portion and laterally connected to the limiting ring frame 51. The positional member 52 is configured to be able to rotate the position of the ring frame 51 in the circumferential direction of the connecting portion 13; the second limiting member 53 is disposed in the connecting rod portion and above the first limiting member 52. Or the lower position, the adjustment position can be rotated in the circumferential direction of the portion 13, the second limiting member 53 extends at least to the limiting ring frame 51; thereby, the limiting ring of the steering limiting member 50 can be utilized When the body 10 is tilted up or down, the lever portion 42 can be fastened in the limiting ring frame 51, so that the first or second limiting members 52, 53 can be sideways and can be connected. By means of the second hook of the block part (only control 43 is carried out 23 is 23 is included) (this 13, movement limit 13, take over the horizontal The limit interferes with the lever portion 42 of the M441522 to keep the body 10 changing the steering movement, so that the lever portion 42 cannot contact the first and the position members 52 and 53 when the body 10 is tilted upward or downward. The problem of the steering action is as follows: The following can be described as follows: Please refer to Figures 1, 4, and 5, wherein the first limiting member 52 of the steering limiting member 50 is annular. One of the connecting portions 521 is formed by a connecting rod 522 integrally extending outside the connecting portion 521, and the connecting portion 521 is configured to be disposed outside the connecting portion 13, and the rod 522 can be connected to the limit. The ring frame 51; and one of the connecting rods 522 is formed with a wide-faced type of hand-held portion 54A for the user to hold, and the second limiting member 53 includes a ring-shaped set. The fitting portion 531 and the blocking portion 531 integrally extending from the outside of the fitting portion 531 can be fitted to the outside of the connecting portion 13; and one end of the blocking member 32 is also formed with a wide expansion type. The hand-held portion 54B adjusts the second limiting member 53 by the user. In this embodiment, the first limit The assembly portion 521 of the member 52 and the inner portion of the sleeve portion 531 of the limiting member 53 are provided with a plurality of spaced apart β teeth 61, and the outer sleeve of the connecting portion is provided with at least one card edge 62. 1. The second limiting member 52, 53 has a positioning function when adjusted. Referring to Figures 2 and 6 to 8, the tilting adjustment member 30 includes a shaft seat 31 disposed at the top end of the connecting portion 13 and The pivot portion 32 of the shaft base 31 can be disposed on the side of the 10 frame portion 11 , and the pivot portion 32 can pass through the frame and the shaft seat 31 . A pivoting state is achieved, so that the body 10 can be tilted by the axis of the pivoting portion, thereby changing the water outlet angle of the water jet head 12. In the embodiment, one side of the shaft seat 31 is matched with the bottom end of the frame portion 11. The positioning member 70 is provided, and the engaging and positioning member 70 is preferably an elastically-stabilized type formed by elastic flange fitting (please refer to FIG. 8). The portion 531, the rod 5 facilitates the second positioning. The integral pivoting body portion 11 32 is the actual card engaging hole M441522 to have the effect of the snap positioning when the body 10 is rotated; and when the body 10 is tilted upward (as shown in FIG. 7), the lever The portion 42 can be limited to the outer limit ring frame 51 (in this embodiment, the two-position ring frame 51 type of the interval configuration), or as shown in FIG. 6, when the body 10 is tilted downward, The lever portion 42 can be limited to the inner limiting ring frame 51. Therefore, the first or second limiting members 52, 53 can contact and interfere with the lever portion 42 regardless of whether the body 10 is tilted upward or downward. The body 10 is provided with the function of changing the steering. Efficacy Description: The facts of φ's creative effect enhancement are as follows: The “Structural Improvement of Percussive Sprinkler” revealed by this creation mainly relies on the innovative structure of the limit ring frame set by the steering limit member, so that the creation is compared with the prior art. In the case that the body of the present invention is tilted up or down, the steering lever portion of the steering control component can be kept within the limit ring frame, and the first or second limit of the steering limit member is The position member can interfere with the lever portion to keep the body changing the steering action, so as to prevent the lever portion from contacting the first and second limiting members and losing the steering action function when the body is tilted up or down, thereby causing the impact to be impacted. The sprinkler product can perform the steering action to sprinkle the surrounding water to achieve practical benefits such as improving the practicability and ease of use of the product. The above embodiments disclose the creation of the creation, and the description is by specific terms. When it is not possible to limit the scope of the patent for this new creation; those familiar with the technical field can change it after understanding the spirit and principles of the creation. And modifications to achieve the equivalent purpose, and such changes and modifications are intended to be included as the boundary of the range patent prescribed category. 8 M441522 [Simple description of the diagram] 'Figure 1: An exploded perspective view of the creation. Figure 2: A perspective view of the combination of the creation. Figure 3: Side view of the creation. Figure 4: Schematic diagram of the adjustment state of the second limit piece of the creation. Figure 5: Schematic diagram of the position of the lever portion and the first and second stoppers. Figure 6: Schematic diagram of the state of the downward tilting of the creation. Figure 7: Schematic diagram of the state of the pendulum adjustment. φ Fig. 8: This is a partially enlarged perspective view of the engagement positioning member. [Main component symbol description] Percussive sprinkler 0 5 Main body frame 1 1 Water sprinkler pipe joint 1 3 Thrusting member torsion spring 2 1 Swing member first stop 2 3 Tilting adjustment member shaft seat 3 1 Insert Shaft steering control unit 4 0 Second stop lever part 4 2 Hook steering limit member 5 0 Limit ring frame - Limiting member 5 2 Combination connecting rod 5 2 2 Second limiting sleeve Joint 5 3 1 Retaining rod holding part 5 4 A , 5 4 B Positioning tooth 6 1 Card edge engaging positioning member 7 0 4 1 4 3 10 12 2 0 2 2 5
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