M392140 五、新型說明： 【新型所屬之技術領域】 本創作係關於-種自行車卡式踏板，更詳而言之，尤指 構及輕量化，並可提高穩_之卡搞減構以。日 【先前技術】M392140 V. New description: [New technical field] This creation is about bicycle pedals. In more detail, it is especially lightweight and can improve the stability of the card. [Prior technology]
一種具簡化結 按’自行車的卡搞缺藉由卡鞋扣㈣卡_卡_扣合的原理， 使自行車騎士雜子不會與频錄。她於傳料具卡扣結構的踏板， 卡式踏板會讓自行車騎士更料踩踏力量，使踩踏的加速力量持續，且可 防止足部與踏板分離，因此在登山車、 式踏板。 越野車、競赛車等車型經常使用卡 習用之自行車卡式踏板，主要係由—踏板本體、—前檔件與—後標件， 以及供該後檔件轉動與彈性回復侧之—扭轉彈簧所組成，而該踏板本體 上設有一承做供承_前擋件與該後擋件，找前、後擋件與該承載板 間設有多個鎖_件供與該踏板本體姆合；整體觀之，其結構相當複雜， 且所使狀顧與連接之科亦相製造廠聽轉時需要藉由 人工方式逐-進行各部分之組裝；另—方面，由於該結構複雜且因各部 元件皆由金屬製成，因此其重量必定相當重，且成本上射目當高昂。 【新型内容】 綜合上開先前技術的缺點，大致上包括習用自行車卡式踏板結構複 雜且所使用之鎖固與連接之零件亦相當多因此組裝上相當不便且費時， 亦導致製造从高昂；__決±義點，賴作提出—種卡式踏板結 構改良。 M392140 本創作係為一種卡式踏板結構改良，包括：一踏板本體，係於中央穿 設一踏板軸，使該踏板本體可隨該踏板軸進行旋轉，該踏板本體係具有一 上表面及一下表面，且該踏板本體係於兩側分別設有一第一連接端與—第 二連接端，該上表面及該下表面上分別設有一第一卡踏組與一第二卡踏 組，該第一卡踏組係由該第一連接端上之一第一前擋件與該第二連接端上 之一第一後擋件所組成，而該第二卡踏組係由該第二連接端上一第二前擋 件與S玄第一連接端上之一第二後擋件所組成；其特徵在於：該第一前擋件 與该第二後擋件係以一第一樞軸部同軸樞接於該第一連接端，而該第二前 擋件與該第一後擋件亦以一第二樞軸部同軸樞接於該第二連接端該第 -、第二_部上各套設有-第―彈簧元件與—第二彈簧元件，藉以提供 。亥第後擋件及該第二後擋件彈性之扭力，俾使該第一、第二後擋件可分 別以該第二、第一樞軸部為軸心進行轉動。 本創作目的之一，係在於僅藉由該第一、第二樞軸部即可快速串連多 個藉’故結構上相當簡胃，而無須使用多個連接及鎖固元件，因此於組 裝上相當便利且快速；另—方面，藉關化結構的方式，亦可達到輕量化 之目的。 本創作目的之―’係、在於③踏板本體具有雙面使S之功能，因此可適 用於左、摘板’且a該第—連翻_第二連接端上之各組件係為對稱， t各..且件可相互通用’對於製造廠商而言，可透過大量製造以節省製造 成本。 本創作目的之二’係在於藉由該第―、第二前擔件上之一第―、第二 累鎖几件即達卿整該第_、第二彈簧元件雜預力，進而調整—鞋體之 4 ivi^yziw °構與》$第-後擋件或該第二後擋件間所需之結合緊固力；其操作方 法續單且便利’以供騎乘者依照本身之需求來調整至最適合自己之使用狀 態。 . 【實施方式】 為便於說明本案於上述創作内容一欄中所表示的中心思想，兹以具體 只知例表達。貫施例巾各種不同物件係按適於說明之比例、尺寸、變形量 或位移里而描繪’而非按實際元件的比例予以繪製，合先欽明。且以下的 說明中，類似的元件是以相同的編號來表示。 如第一圖及第二圖圖面所示，本創作係為一種卡式踏板結構改良，包 括一踏板本體10、一第一·^踏組20與一第二卡踏組30〇 忒踏板本體10係於中央穿設一踏板軸4〇，使該踏板本體1〇可隨該踏板 軸40進行旋轉，而該踏板本體10係具有一上表面11及一下表面12，該第一 卡踏組20設於該上表面11，該第二卡踏組3〇設於該下表面12，使該踏板本 體10具有雙面使用之功能；該踏板本體10係於兩側分別設有一第一連接端 13與一第一連接端14，该第一連接端13上設有一第一連接槽131，該第二 連接端14上設有一第二連接槽141。 該第一-^踏組20係由該第一連接端13上之一第一前擋件21及該第二連 接端14上之一第一後擋件22所組成’該第二卡踏組30則由該第二連接端14 上之一第二前擋件31及該第一連接端13上之一第二後擋件32所組成。 該第一連接端13上之結構如下： 該第一前擋件21與該第二後擋件32係以一第一樞轴部5〇分別梅接於該 第一連接端13外側及該第一連接槽131内側’該第一樞軸部5〇係由二第一 5 ,、检元件51所組成等第一螺栓元件51分別由該第—連接槽⑶兩側穿 且。亥等第-螺栓元件51上套設有一第一彈簧元件52，該第一彈簧元件 52係為-_料;·料二麟件32_縣謂_彈奸件&處向内延 伸没有-第二壓抵部321 ’供抵頂該第-彈簧元件52，使該第一彈簧元件52 β…亥第一後擋件32彈性回復之力量；t玄等第一螺栓元件51係分別鎖固於 該第-前擋件21兩側’當該等第—螺栓糾51_後，該等第—螺栓元件 51間具有—距離’而不會相互碰觸到，藉此，可加強該等第-螺栓51元件 之鎖固效果；該第二麟件32兩術目對賴踏板本體1()處各設有—第二斜 楔面322，而該第-連接槽131兩側内壁對應該第二斜模面322處各設有一 第-擋止部132 ;藉由該第二斜楔面322與該第—擋止部132之配合，使該 第彈簧元件52供該第二斜楔面322常態往該第-擋止部132靠合，俾以供 該第二後擋件32單向定角度旋轉及限位。 該第一前擋件21兩側相對應該踏板本體1〇處各設有一第一卡抵面 211 ’而該第-連接端13兩側上各設有一與該第一卡抵面川相對應之一第 -承靠面133 ’使該第-前齡21卡置固定於該第—連接槽131外側；該第 一前擋件21於一側向内轉折延伸設有一第一調整座212，以供一第一螺鎖元 件213自4第w擋件21頂面穿設，使該第—螺鎖元件扣底端可活動頂抵 於該第-彈簧元件52相對於該第二後齡32之另一端處。 同理，該第二連接端14上之結構係對稱於該第一連接端13，該第二連 接端41上之結構如下： 該第二前擋件31與該第一後擋件22係以一第二樞軸部6〇分別樞接於該 第二連接端14外側及該第二連接槽141内側，該帛二梅轴部6〇係由二第二 M392140 嫘栓to件61所組成，該等第二螺栓元件61分別由該第二連接槽I#兩側穿 入，且該等第二螺栓元件61上套設有一第二彈簧元件62，該第二彈簧元件 62係為-扭轉彈簧；該第-後擋件22於相對應該第二彈箸元件62處向内延 伸設有-第-壓抵部221,供抵頂該第二彈簧元件62，使該第二彈菁元件62 提供該第-後齡22雜回復之力量；轉第二螺栓元侧係分別鎖固於 該第二前擋件31兩側，當該等第二螺栓元件61鎖固後，該等第二螺栓元件 61間具有-距離，而不會相互碰觸到，藉此，可加強該等第二螺检61元件 φ 之鎖固效果；該第一後擋件22兩側相對應該踏板本體10處各設有一第一斜 楔面222，而該第二連接槽141兩側内壁對應該第一斜楔面222處各設有一 第二擋止部142 ;藉由該第一斜楔面222與該第二檔止部142之配合，使該 第二彈簧元件62供該第-斜模面222常態往該第二播止部142靠合，俾以供 該第一後擋件22單向定角度旋轉及限位。 該第二前擋件31兩側相對應該踏板本體1〇處各設有一第二卡抵面 311 ’而該第二連接端14兩側上各設有一與該第二卡抵面311相對應之一第 籲—承*面143，使該第二前擋件31卡置固定於該第二連接槽141外側；該第 - 二前擋件31於一側向内轉折延伸設有一第二調整座312,以供一第二螺鎖元 件313自該第二前擋件31頂面穿設，使該第二螺鎖元件313底端可活動頂抵 於該第一彈簀元件62相對於該第二後擋件22之另一端處。 明暸上述結構後，以下係針對本創作之動作及原理作一詳細說明： 以下說明本創作之組裝方式： 如第二圖圖面所示’欲組裝該第—連接端13上之該第—讀件21、該 第二後擋件32、該第-框軸部5Q，以及該第__彈簧元件⑦時係先將該第 7 M392140 -前擋件21置於該第-連接端13外側端，並將該二螺鎖元_分別穿設於 該第一前擋件21兩側，再依序將該第二後檔件32及該第一彈簧元件52套設 於該第二螺鎖元件51上’並將該第二螺鎖元件51鎖緊，即可完成組裝；該 第二連接端14上之該第二前擋件31、該第一後擋件22、該第二框轴部6〇， 以及該第二彈簧猶組裝方式如上；藉此，目該結構㈣且並無須使用 多個連接及鎖m元件，因此於組裝上相t便利且快速；另__方面，因該踏 板本體1G具有雙面使狀功能，因此可適祕左、右踏板，且因該第一連 接端13與該第二連接端14上之各組件係為對稱，因此各組件可相互通用， 對於製造廠商而言，可透過大量製造以節省製造成本。 以下將說明-⑽下方之卡雜構7〇無第—、第二卡踏組2q、加之 結合方式： 如第二圖及第四關賴示’騎乘者欲使賴第—卡踏組卽時，係先 將該卡踏結構70前麟人卡齡該第—前齡21内，並將該卡踏結構7〇後 端頂抵於該第-後擋件22，藉該第二彈簧元件62受力產生扭轉之力量，使 該第一後擋件22受到撐開之力量而往後轉動。 如第五圖圖面所示’於該第—後擋件22往後轉動之同時，該卡踏結構 70後端即可嵌人卡，該第—後擋件22内；當該卡踏結構7q前端與後端分 别卡固於。亥第一則擋件2<|與該第一後擋件22後藉該第二彈簧元件位使該 第二後擋件22雜回復至縣位置，即可使該切結構卿密卡固於該第 -卡踏組20内；該第二卡踏組3〇之使用方式亦與上述相同，因此不再贊述。 由上述可知’該第—及第二彈簧讀52、62所提供的彈性預力係會影 響該卡踏結構70與該第一後擋件22、該第二後播件32間之結合緊固力。當 M392140 該第-及第二腾元件52、62因經久使用㈣現雜疲乏而使結合緊固力 出現弱化的問題時’可藉由該第_、第二螺鎖元件213、313增加該第一及 第二彈簧元件52、62的預力，進而加·結合緊固力。 然而，上述縣合緊@力並結錄佳，其仍應㈣料原則，以避 免因過度卡緊而使該卡踏結構7()發生脫離窒礙，導致危險之發生。 乂下將說明β玄第-、第二螺鎖元件213、313調整該第一第二彈菁元 件52、62預力之方式： 第’、圖圖面所示’其係為尚未調整該第—彈簧元件52預力之狀態； 如第七關面所不’將該第—螺鎖元件213朝—方向旋緊，使該螺鎖元件213 達緊該第-彈簧凡件52之—端，即可增加該第一彈簽元件52之預力；反之， 將。玄第螺鎖兀件213朝反方向旋鬆，使該第一螺鎖元件213於該第一調整 座212内微巾§上升，即可減少該第—彈簧元件&之預力。該第二螺鎖元件 313之調整;與上述相同，目此不再資述。 糟由該第一、第二螺鎖元件213、313即可達到調整該第一、第二彈簧 讀52、62彈性預力之目#，其操作方法簡單且便利，以供騎乘者依照本 身之需求來調整至最適合自己之使用狀態。 雖本創作是以—個最佳實劇作綱’但精於此技藝者能在不脫離本 創作精神與範嘴下作各種不同形式的改變。以上所舉實施例僅用以說明本 而已非用以限制本創作之範圍。舉凡不違本創作精神所從事的種種 t改或邊化，俱屬本創作申請專利範圍。 9 M392140 【圖式簡單說明】 第一圖係為本創作之立體組合圖。 第二圖係為本創作之立體分解圖。 第三圖係為本創作之使用狀態示意圖(_)。 第四圖係為本創作之使用狀態示意圖(二）。 第五圖係為本創作之使用狀態示意圖(三）。 第六圖係林創作碰m簧元件彈性預力之示意圖㈠。 第七圖係為本創作調整第―、第二彈簧元件彈性預力之示意圖㈡。 【主要元件符號說明】 踏板本體10 上表面11 下表面12 第一連接端13 第一連接槽131 第一擋止部132 第一承靠面133 第二連接端14 第二連接槽141 第二擋止部142 第二承靠面143 第—^踏組20 第一前擋件21 第—^抵面211 第一調整座212 第一螺鎖元件213 第一後擋件22 第一壓抵部221 第一斜楔面222 第二卡踏組30 第二前擋件31 第二卡抵面311 第二調整座312 第二螺鎖元件313 第二後擋件32 第二壓抵部321 第二斜楔面322 踏板軸40 第一樞軸部50 螺栓元件51 第一彈簧元件52 第二樞轴部60 第二螺栓元件61 第二彈簧元件62 卡踏結構70 10A simplified knot is based on the principle that the card of the bicycle is worn out by the card buckle (four) card _ card _ buckle, so that the bicycle rider will not be recorded with the frequency. She uses a pedal with a snap-on structure. The card-type pedal will make the bicycle rider more pedaling, so that the acceleration force of the pedaling will continue, and the foot and the pedal can be prevented from separating, so the mountain bike and the pedal are used. Off-road vehicles, race cars and other models often use the bicycle-type pedals used in the card, mainly by the pedal body, the front and rear gears, and the torsion spring for the rotation of the rear gear and the elastic return side. The pedal body is provided with a bearing for the bearing _ front blocking member and the rear blocking member, and a plurality of locks are arranged between the front and rear blocking members and the carrier plate for mating with the pedal body; As a whole, the structure is quite complicated, and the combination of the situation and the connection is also required to manually assemble the parts by the manufacturer. In other respects, the structure is complicated and due to various components. They are all made of metal, so their weight must be quite heavy, and the cost is high. [New content] In general, the shortcomings of the prior art, including the conventional bicycle pedal type, are complicated and the parts used for locking and connecting are also quite large, so the assembly is quite inconvenient and time consuming, and the manufacturing is high; _ 决±义点, 赖作 proposed - a kind of card-type pedal structure improvement. M392140 The present invention is a card pedal structure improvement, comprising: a pedal body, which is provided with a pedal shaft in the center, so that the pedal body can rotate with the pedal shaft, the pedal system has an upper surface and a lower surface And the pedal system is respectively provided with a first connecting end and a second connecting end on the two sides, wherein the upper surface and the lower surface are respectively provided with a first card step group and a second card step group, the first The card step group is composed of a first front end member on the first connecting end and a first rear end member on the second connecting end, and the second card step group is on the second connecting end a second front stop member and a second rear stop member on the first connection end of the S-shaped body; wherein the first front stop member and the second rear stop member are coaxial with a first pivot portion The second front end member and the first rear end member are coaxially pivotally connected to the first connecting portion and the second and second portions. The sleeve is provided with a -th spring element and a second spring element. The elastic torque of the second rear stop and the second rear stop is such that the first and second rear members can be rotated about the second and first pivot portions. One of the purposes of the present invention is that the first and second pivot portions can be quickly connected in series, so that the structure is relatively simple, without using multiple connecting and locking components, so assembly It is quite convenient and fast; on the other hand, it can also achieve the purpose of lightweighting by means of a closed structure. The purpose of this creation is that the 3 pedal body has the function of double-sided S, so it can be applied to the left and the upper panel, and the components on the second connection end are symmetrical. Each piece can be used interchangeably. For manufacturers, it can be manufactured in large quantities to save manufacturing costs. The second purpose of this creation is to adjust the number of the first and second pieces of the first and second pieces of the first and second pieces of the load, that is, the first and second spring elements. 4 ivi^yziw ° of the shoe body and the required fastening force between the "$-reverse" or the second rear member; its operation method is continued and convenient 'for the rider to meet his own needs To adjust to the most suitable use status. [Embodiment] In order to facilitate the explanation of the central idea expressed in the above-mentioned column of the above-mentioned creation content, it is expressly expressed by specific examples. A variety of different articles are drawn according to the proportions, dimensions, deformations or displacements that are suitable for the description, rather than being drawn according to the proportion of the actual components. In the following description, like elements are denoted by the same reference numerals. As shown in the first and second figures, the present invention is a card pedal structure improvement, including a pedal body 10, a first step group 20 and a second card group 30 pedal body 10 is a centrally disposed pedal shaft 4 〇 such that the pedal body 1 〇 can rotate with the pedal shaft 40 , and the pedal body 10 has an upper surface 11 and a lower surface 12 , the first step group 20 The pedal body 10 has a function of double-sided use, and the pedal body 10 is respectively provided with a first connecting end 13 on the two sides. The first connecting end 13 is provided with a first connecting slot 131, and the second connecting end 14 is provided with a second connecting slot 141. The first step group 20 is composed of a first front end member 21 on the first connecting end 13 and a first rear end member 22 on the second connecting end 14 'the second card step group 30 is composed of a second front end member 31 on the second connecting end 14 and a second rear end member 32 on the first connecting end 13. The structure of the first connecting end 13 is as follows: the first front end member 21 and the second rear end member 32 are respectively connected to the outside of the first connecting end 13 by a first pivot portion 5 The first bolt member 51, which is composed of the first first portion 5, and the detecting member 51, is respectively inside the connecting groove 131, and the first bolt member 51 is respectively passed by the first connecting groove (3). The first spring element 52 is sleeved on the first bolt element 51, and the first spring element 52 is made of -_ material; the material is two pieces 32_ county said _ rapper piece & The second pressing portion 321 ′ is configured to abut the first spring element 52 such that the first spring element 52 β...the first back member 32 elastically recovers the force; the t first and the first first bolt element 51 are respectively locked After the first-bolt correction 51_ on both sides of the first-front member 21, the first-bolt elements 51 have a distance--between and do not touch each other, thereby enhancing the number of the first - the locking effect of the bolt 51 element; the second collar member 32 is provided with a second oblique wedge surface 322 for each of the pedal body 1 (), and the inner wall of the first connecting groove 131 corresponds to the first Each of the two inclined surface 322 is provided with a first blocking portion 132. The second inclined surface 322 is matched with the first blocking portion 132 to provide the second spring surface 52 for the second oblique surface 322. Normally, the first stop portion 132 is engaged with the first rear stop member 32 for one-way angular rotation and limitation. A first card abutting surface 211 ′ is disposed on each side of the first front end member 21 opposite to the pedal body 1 , and a first one of the first connecting end 13 is disposed on the two sides of the first connecting end 13 . The first bearing surface 133 ′ is configured to fix the first front-age 21 card to the outside of the first connecting groove 131; the first front end member 21 extends inwardly and extends with a first adjusting seat 212 for A first screwing element 213 is threaded from the top surface of the 4th w-stop 21 such that the bottom end of the first screw-locking element is movable to abut against the second spring element 52 relative to the second rear age 32 At one end. Similarly, the structure on the second connecting end 14 is symmetrical to the first connecting end 13. The second connecting end 41 has the following structure: the second front end member 31 and the first rear end member 22 are A second pivot portion 6 is pivotally connected to the outside of the second connecting end 14 and the second connecting groove 141, and the second shaft portion 6 is composed of two second M392140 bolts 61. The second bolt elements 61 are respectively inserted into the two sides of the second connecting groove I#, and the second bolt elements 61 are sleeved with a second spring element 62, which is a torsion spring. The first rear member 22 extends inwardly opposite the second elastic member 62 to provide a first-pressure abutting portion 221 for abutting the second spring member 62 to provide the second elastic member 62. The second-bolt element side is locked to the two sides of the second front member 31, and the second bolt member 61 is locked, and the second bolt member is locked. 61 have - distance, and do not touch each other, thereby reinforcing the locking effect of the second screw detecting 61 element φ; the first rear blocking member 22 is opposite to each other Each of the two sides of the second connecting groove 141 is provided with a second stopping portion 142 corresponding to the first inclined surface 222; The wedge surface 222 cooperates with the second stop portion 142 to allow the second spring element 62 to normally pass the first oblique die surface 222 to the second broadcast portion 142 for the first rear stop member. 22 one-way fixed angle rotation and limit. A second latching surface 311 ′ is disposed on each side of the second front end member 31 opposite to the pedal body 1 , and a second latching surface 311 is disposed on each side of the second connecting end 14 . a second front member 31 is fixedly disposed on the outer side of the second connecting groove 141; the second front member 31 is extended inwardly on one side to extend a second adjusting seat 312, a second screwing element 313 is inserted from the top surface of the second front end member 31, so that the bottom end of the second screw locking element 313 is movable against the first elastic element 62 relative to the first At the other end of the second rear member 22. After clarifying the above structure, the following is a detailed description of the action and principle of the present creation: The following describes the assembly method of the present creation: As shown in the second drawing, the first reading on the first connecting end 13 is to be assembled. The member 21, the second rear member 32, the first frame shaft portion 5Q, and the first spring element 7 are first placed on the outer side of the first connecting end 13 by the seventh M392140 - front end member 21. And inserting the two screw-locking elements _ on the two sides of the first front end member 21, and sequentially arranging the second rear-stop member 32 and the first spring element 52 on the second screw-locking element 51 is 'locked on the second screw-locking element 51 to complete the assembly; the second front end member 31 on the second connecting end 14 , the first rear end member 22 , the second frame shaft portion 6〇, and the second spring is assembled as above; thereby, the structure (4) does not need to use a plurality of connecting and locking m components, so the phase is convenient and fast in assembly; The body 1G has a double-sided function, so that the left and right pedals can be adapted, and the components on the first connection end 13 and the second connection end 14 Symmetrical, so the components can be common to each other, for manufacturers, the permeable mass production in order to save manufacturing costs. The following will explain - (10) below the card structure 7〇 without the first -, the second card group 2q, plus the combination of: as shown in the second figure and the fourth note, the rider wants to make the Lai-Kata group When the card strut structure 70 is first inserted into the first pre-age 21, and the rear end of the kappa structure 7 is abutted against the first rear member 22, by the second spring element The force generated by the force of the twisting force causes the first rear stopper 22 to be rotated by the force of the distraction. As shown in the figure of the fifth figure, while the first-rear member 22 is rotated backward, the rear end of the card-tapping structure 70 can be embedded with the card, the first-rear member 22; when the card-step structure The 7q front end and the back end are respectively locked. The first stop member 2<|and the first rear member 22 and the second spring member position enable the second rear member 22 to return to the county position, so that the cut structure is tightly locked The first card step group 20 is used; the second card step group 3 is also used in the same manner as described above, and therefore will not be described. It can be seen from the above that the elastic preload force provided by the first and second spring readings 52, 62 affects the fastening between the card step structure 70 and the first rear member 22 and the second rear member 32. force. When the M392140 has a problem that the first and second enthalpy members 52, 62 are weakened due to prolonged use (d), the combined fastening force is weakened by the first and second screw-locking members 213, 313. The pre-stress of the first and second spring elements 52, 62, in addition to the fastening force. However, the above-mentioned counties are tight and strong, and they should still be in accordance with the principle of (4) materials, so as to avoid the occurrence of danger due to over-tightening of the stuck structure 7(). The method for adjusting the pre-force of the first second elastic element 52, 62 by the β-thin- and the second screw-locking elements 213 and 313 will be explained: the 'shown in the figure' is not adjusted yet. a state in which the spring element 52 is pre-stressed; if the seventh closing surface does not 'tighten the first screw-locking element 213 in the - direction, the screw-locking element 213 is tightened to the end of the first-spring member 52, The pre-force of the first tab element 52 can be increased; otherwise, it will. The first threading element 213 is unscrewed in the opposite direction, so that the first screwing element 213 is raised in the first adjusting seat 212, and the pre-stress of the first spring element & The adjustment of the second screw-locking element 313; the same as above, and will not be described again. The first and second spring lock elements 213, 313 can be adjusted to adjust the elastic preload of the first and second spring readings 52, 62, and the operation method is simple and convenient for the rider to follow the The need to adjust to the most suitable use of their own state. Although this creation is based on a best real drama, it is true that those skilled in the art can make various forms of change without departing from the spirit of this creation and the vanity. The above embodiments are merely illustrative of the scope of the present invention. All kinds of t-reforms or marginalizations that are not in violation of the spirit of this creation belong to the scope of patent application for this creation. 9 M392140 [Simple description of the diagram] The first picture is a three-dimensional combination of the creation. The second picture is a three-dimensional exploded view of the creation. The third picture is a schematic diagram of the state of use of the creation (_). The fourth picture is a schematic diagram of the state of use of the creation (2). The fifth picture is a schematic diagram of the state of use of this creation (3). The sixth figure is a schematic diagram of the elastic preload of the m spring element in the forest creation (1). The seventh figure is a schematic diagram (2) for adjusting the elastic preload of the first and second spring elements for the creation. [Main component symbol description] pedal body 10 upper surface 11 lower surface 12 first connection end 13 first connection groove 131 first stop portion 132 first bearing surface 133 second connection end 14 second connection groove 141 second block Stop portion 142 second bearing surface 143 first-step group 20 first front member 21 first-but surface 211 first adjusting seat 212 first screw-locking element 213 first rear-stop member 22 first pressing portion 221 First inclined wedge surface 222 second sliding group 30 second front blocking member 31 second locking surface 311 second adjusting seat 312 second screw locking element 313 second rear blocking member 32 second pressing portion 321 second oblique Wedge 322 Pedal shaft 40 First pivot portion 50 Bolt element 51 First spring element 52 Second pivot portion 60 Second bolt member 61 Second spring member 62 Chevron structure 70 10