M443066 五、新型說明： 【新型所屬之技術領域】 本創作一種窗戶自動啟閉結構，詳而言之係為了達到窗戶自動啟 閉掀合角度之有效控制，且不需在施工前特意丈量與算計往後維修與 保養的空間，或是影響室内整體美關之窗戶自動啟閉結構。 【先前技術】 按，現今建築房屋内窗戶是為不可或缺的附屬設計，除了 美觀裝飾上的用途外，在開啟時能讓外界與屋内空氣流通之功 效，而在關閉時能阻擋外界異物或是風雨進入屋内，但是在以 往的窗戶設計上存有一些缺失，現於下列舉說明： 1·幼童的危險性：幼童的智慧與危機意識尚未成熟時， 單獨留於屋内會具有高度危險性，大部分的幼童會因為好奇心 作祟，而到處把玩，要是當家長忘記將窗戶關閉，在一個不留 神的情況下，幼童會朝未關閉的窗戶爬行而出，導致摔落的危 險。 2·災害的危險性：一般居家發生最多的人為或自然災害 是以火災為最常見的，當火災發生時，最先產生的就是極為嗆 鼻的濃煙，根據調查結果在火災發生下，被濃煙嗆傷而昏迷燒 死的人比直接燒死的人還要多，而根據消防人員的檢定結果， 很多都是因為窗戶無法及時開啟，導致濃煙無法排出，進一步 造成人員的死亡。 3 ·老年人的危險性：社會上老年化的趨勢日漸明顯，不 3 夕豕庭裡都有年紀較大的老年人生活在—起，但是，當只有這 老年人單獨在家時，會因為行動錢'力氣*大而無法自行開 2窗戶’然而’在密閉的空間裡’會因為空氣的不流通，使得 空氣中的含氧量逐漸时吸而消耗殆盡，如果又加上受到日曝 的办響’使屋内溫錢漸升高，進而加速消耗空氣巾的氧氣， 這些問題皆會導致發生昏迷、熱t等危險的情形發生。 然而，根據上述所說明習知的缺失，又隨著科技的跨時代 的進步’ ®戶攻類的用品也隨著相關產業的構想下而有所改 變，已經不像以往需利用人工方式去開關窗戶，取而代之的是 ί!用遙控聲控或疋無線控制等方式加以控制窗戶的開啟或關 閉仁疋，如何有效利用遙控、聲控或是無線控制等方式來控 制®戶的開啟或關閉，這問題是相關業者必須審慎.思考的問 題0 而請參閱中華民國專利公告號_85G「具有卡抵功能之電 動由結構」，係、為-種具有卡抵功能之電動窗結構，包括：一電籲 動窗；其中’該電動窗則設置有一固定框架、一窗框與複數個桿 體，而該窗框則是裝設於該固定框架内部；該窗框之一侧邊設 置有-支撑結構與-傳動裝置，該f框之另—側邊則設置有一 卡抵裝置纟創作主要是利用該支樓裝置的設置，以使得電動 窗結構在開啟或是關閉時，窗框與玻璃的重量可以獲得穩固地 支撐；再搭㈣軸裝置的設置，錢將電動桿原本所產生之 單向推進或拉r機械力，⑽換成其他方向之機械傳動力， 並使得相關之卡抵結構可以達賴應之開啟與_之作用。 上述所說之「具有卡抵功能之電動窗結構」為相關業者所 推出的電動式窗戶，其改善習知窗戶必須耗費人力及工時，才 可=效控«戶的職或·，料，此「具有卡抵功能之電 動由結構」4卩無法控制窗戶的半開或伟，且讀結構與傳動 裝置為額外附加於窗戶·之結構，因此在安置前空間的規劃 上必須小心謹慎，—方面要顧慮方便保養、維修，另一方面又 要兼具操作上之㈣且以不會破健個室㈣觀為前提。故， 「具有卡抵魏之㈣窗結構」並無錢善上述㈣的缺點。 有鑑於上述習知技術的缺失，本創作人彻許多時間投入 研究相關知識’並加以比較各項優劣1進行相關產品的研究 與開發，並歷經多次實驗與測試，而終於推出—種「窗戶自動 啟閉結構」’其在於改善f知技術上必須利用人力親自到窗戶 旁控制窗戶的啟閉，才得以有效控制或限戶開啟或關閉的 角度範圍’或是改善「具有卡抵功能之電動窗結構」上，因部 分的結構裝置外設於窗戶外 而導致維修與保養上的不方便， 或是殊壞室内整體的美觀等缺失。 【新型内容】 本創作主要目的其改善前述的習知技術以及「具有卡抵功 能之電動窗結構」上，無法有效㈣或限織戶開啟或關閉的 角度範圍’而必須利用人力手動方式才可調整窗戶的開啟或關 閉角度，且㈣結構外露於窗戶外，而導致施工前必須耗 M443066 費工時的詳細探討相關問題等缺失。 為達成前述創作之目的與功效，本創作一種窗戶自動啟閉 結構，其包括： 一底框； 一活動框，該活動框一側與底框相互樞設可相對掀合，且 活動框於底框樞設的相鄰一側係向内開設有一凹槽； 一控制裝置，該控制裝置包括一螺桿、一馬達及一伸縮 件，該螺桿與馬達裝設於凹槽内，而馬達帶動螺桿螺旋，該伸Φ 縮件一端滑設於螺桿上，而另一端則鎖固於底框； 至少一控觸件，該控觸件組設於活動框的凹槽内，並與馬 達電性連接，而控觸件設有一按鈕； 據此，活動框相對底框掀合過程中，伸縮件經螺桿螺旋位 移而碰觸按鈕並停止馬達運轉，以達窗戶自動啟閉掀合角度之 控制。 本創作窗戶自動啟閉結構進一步包括有下列技術特徵：· 1 ·該凹槽槽口兩側向内各延伸有一凸肋，而控觸件設於 凹槽内並靠抵凸肋，另設有一墊片於凹槽外，且該墊片與控觸 件相互鎖設，並進一步將凸肋夾設於墊片及控觸件之間。 2 ·伸縮件組設於螺桿的一端另設有一移動塊，該移動塊 組設於凹槽内，且螺桿貫穿並螺設移動塊，該移動塊透過螺桿 的框轉而位移，並連動伸縮件的伸縮。 3·另設有一搖控件控制馬達的啟動或停止。 6 M443066 4.在該馬達上另設有一電源連捿線，該電源連接線由凹 槽内朝底框穿出，進-步與插座電性連接以提供馬達的運轉。 因此本創作可說是-種相當具有實用性及進步性之創 作，相當值得產業界來推廣，並公諸於杜會大眾，使其社會更 進步。 【實施方式】 本創作一種窗戶自動啟閉結構，係為了能有效控制或限制 窗戶的開啟或關閉角度範圍，且無須耗費工時來考慮窗戶的事 設是否有凝美觀或維修保養上的不便，而主要有關其功效及特 點，以搭配下列各相關圖式作一簡單實施例說明。 請參閱第一圖至第三圖所示，—種窗戶自動啟閉結構，其 包括. 一底框1 ; 八一活動框2，該活動框2 —側與底框i相互枢設可相對掀 .且活動框2於底框！插設的相鄰—側係向内開設有—凹槽 21， 曰 —控制裝置3 ’該控制裝置3包括一螺桿3卜-馬達32 及-伸鱗33,該螺桿31與馬達犯裝設於凹槽^ 達犯帶動螺㈣螺旋，該伸縮件33—端滑設於螺桿31上馬 而另—端則鎖固於底框1 ; 内至少一控觸件4，該控觸件4組設於活動框2的凹槽21 ’並與馬達32電性連接’而控觸件4設有-按紐41 7 據此’活動框2相對底^掀合過程中，伸縮件犯經螺 桿螺旋位移而碰觸触41並停止馬達犯運轉，以達窗戶 自動啟閉掀合角度之控制（前述為本創作主實施例之主要技術 特徵，其對應本案申請專利範圍第一項的内容，得以詳知本創 作之目的與實施型態，而其餘附屬申請專利範圍所述的技術特 徵是為對申請專利範圍第-項内容的詳述或附加技術特徵，而 非用以限制申請專利範圍第一項的界定範圍，應知本案申請專 利範圍第—項不必要—定包含其餘附射請專利範圍所述的β 技術特徵）。 請參閱第四圖至第五圖所示活動框2作動示意圖，並搭配 第二圖元件分解示意圖，為了能依照使用者所需求之窗戶開啟 或關閉的角度範圍，在該凹槽21槽口兩側向内各延伸有一凸 肋211 ’而控觸件4設於凹槽21内並靠抵凸肋211，另設有一 墊片42於凹槽21外，且該墊片42與控觸件4相互鎖設，並 進一步將凸肋211夾設於墊片42及控觸件4之間，然而，藉· 由墊片42與控觸件4的鎖設方式，可依照使用者的需求，將 墊片42與控觸件4延著凸肋211的設置而位移到所需的位 置’再利用螺絲將墊片42與控觸件4緊鎖以夾固凸肋211， 藉此改變活動框2的開啟或關閉之掀合角度範圍（本創作是說 明墊片42與控觸件4以鎖設方式夾設於凸肋211為最佳實施 型態，但並非用以限定其組設方式，也可用扣設、綁設或黏設 方式將墊片42與控觸件4相互组接）。 M443066 請參閱第一圖與第六圖所示，為了配合使用者所需求於開 啟角度的控制，或是關閉角度的控制中任一種，該控觸件4可 設置於凹槽21兩端的其中一端，且於伸縮件33可碰觸之位 置，以符合使用者的需求，除了單一控觸件4的設置外，另可 於凹槽21的兩端各裝設有控觸件4，且於伸縮件33可碰觸之 位置，並進一步提供使用者在開啟或關閉時都可控制或限制其 掀合角度範圍。 請參閱第一圖至第六圖所示，在伸縮件33組設於螺桿31 的一端另設有一移動塊331，該移動塊331組設於凹槽21内， 且螺桿31貫穿並螺設移動塊331，該移動塊331透過螺桿31 的樞轉而位移，並連動伸縮件33的伸縮，以進一步確使伸縮 件33能順暢伸縮，而不受螺桿31或是活動框2的設置而有所 影響。 請參閱第七圖所示，為了提供給無法使力及行動不便的 人，可以控制活動框2的開啟或關閉角度範圍，另設有一遙控 件5無線連接馬達32，且該遙控件5控制馬達32的啟動或停 止，以輔助使用者操作，並無需以手動方式控制活動框2的啟 閉。 請續參閱第七圖所示，本創作在活動框2作動時，主要提 供整體運作的核心所在係為馬達32，而馬達32是以電力驅動 而產生運轉，所以，在該馬達32上另設有一電源連接線6， 該電源連接線6由凹槽21内朝底框1穿出，進一步與插座電 9 性連接，利用市電壓所提供的電力以驅動馬達32的運轉，並 達到開啟或關閉活動框2之功效（本創作除了利用電源連接線 6電性連接插座外，也可在馬達32内部裝設有電池，以提供 馬達32所需之電力來源）。 請參閱第八圖所示，本創作除了將控觸件4裝設於掀合式 的窗戶内，以控制活動框2的開啟或關閉狀態，也可應用裝設 於推射窗（由下往上開啟）、外倒窗（由上往下開啟）' 推開窗（由 左往右開啟或是由右往左開啟），或是折紗窗等窗型，以控制$ 各種窗型的開啟或關閉狀態（本創作以舉例折紗窗内裝設有控 制裝置3為圖片說明，但並非用以限定上述所說的各樣窗型）。 由上所述者僅為用以解釋本創作之較佳實施例，並非企圖 據以對本創作做任何形式上之限制，是以，凡有在相同之創作 精神下所做有關本創作之任何修飾或變更者，為其他可據以實 施之型態且具有相同效果者，皆仍應包括在本發明意圖保護之 範内。 綜上所述，本創作「窗戶自動啟閉結構」，其實用性及成 本效益上確實疋元全符合產業上發展所需，且所揭露之結構 創作亦是具有前所未有的創新構造，所以其具有「新賴性」應 無疑慮’又賴作可較f用之結構更具功效之增進，因此亦具 有進步性」，其完全符合我國專利法有關發明專利之申請要 件的規疋’乃依法提起專利巾請，並敬請鈞局早日審查， 並給予肯定。 M443066 【圖式簡單說明】 第一圖係本創作立體示意圖。 第二圖係本創作元件分解示意圖。 第三圖係本創作活動框未開啟狀態示意圖。 第四圖係本創作活動框開啟狀態示意圖。 第五圖係本創作活動框開啟後，移動塊碰觸按鈕狀態示意圖。 第六圖係本創作第二實施例立體示意圖。 第七圖係本創作第三實施例具有遙控件及電源連接線立體示 意圖。 第八圖係本創作第四實施例立體示意圖。 【主要元件符號說明】 底框 1 活動框 2 凹槽 2 1 凸肋 2 11 控制裝置 3 螺桿 3 1 馬達 3 2 伸縮件 3 3 移動塊 3 3 1 .控觸件 4 按紐 4 1 墊片 4 2 遙控件 5 電源連接線 6 11M443066 V. New description: [New technical field] This is an automatic window opening and closing structure. In detail, it is effective control to achieve the automatic opening and closing angle of the window, and it is not necessary to measure and calculate before construction. The space for repair and maintenance in the future, or the automatic opening and closing structure of the window that affects the overall beauty of the room. [Prior Art] According to the current window, the window inside the building is an indispensable accessory design. In addition to the aesthetic decoration, it can let the outside air circulate with the air inside when it is opened, and can block foreign objects when it is closed or It is wind and rain that enters the house, but there are some shortcomings in the previous window design. Here are the following examples: 1. The danger of young children: When the wisdom and crisis awareness of young children are not yet mature, it will be highly dangerous to stay alone in the house. Sex, most of the young children will play around because of curiosity. If the parents forget to close the window, in an unattended situation, the young child will crawl toward the unclosed window, causing the risk of falling. . 2. Hazard of disaster: The most common man-made or natural disaster occurs at home. Fire is the most common. When a fire occurs, the first thing that produces the most is the thick smoke. According to the survey results, under the fire, There are more people who burned and smoked and stunned than those who burned directly. According to the results of the firefighters, many of them were because the windows could not be opened in time, which caused the smoke to be discharged, which further caused the death of the personnel. 3 · The danger of the elderly: The trend of aging in the society is becoming more and more obvious. There are older elderly people living in the same place. However, when only the elderly are alone at home, they will act. Money 'power* is too big to open 2 windows by itself' However, 'in a confined space', because the air does not circulate, the oxygen content in the air is gradually absorbed and consumed, if it is exposed to the sun. The alarm will increase the temperature inside the house and accelerate the consumption of oxygen in the air towel. These problems will lead to dangerous situations such as coma and heat. However, according to the above-mentioned shortcomings, and with the advancement of technology, the products of the households have changed with the concept of the relevant industries, and it has not been switched by manual methods. The window is replaced by ί! Controlling the opening or closing of the window with remote control or wireless control, how to effectively control the opening or closing of the ® by remote control, voice control or wireless control. Relevant operators must be cautious. Thinking about the problem 0, please refer to the Republic of China Patent Bulletin No. _85G "Electric-made structure with card-return function", which is a kind of electric window structure with card-rejecting function, including: an electric call a window; wherein the electric window is provided with a fixed frame, a window frame and a plurality of rods, and the window frame is installed inside the fixing frame; one side of the window frame is provided with a support structure and The transmission device, the other side of the f-frame is provided with a card-receiving device, and the creation is mainly by using the setting of the branch device, so that when the power window structure is opened or closed, the window The weight of the frame and the glass can be firmly supported; then the setting of the (four) shaft device, the one-way propulsion or pulling r mechanical force originally generated by the electric rod, (10) is replaced with the mechanical transmission force in other directions, and the related The card structure can be used to open the role of _. The above-mentioned "electric window structure with card-receiving function" is an electric window introduced by the relevant industry. It is necessary to use manpower and man-hours to improve the conventional window before the effect can be controlled. This "electrical structure with snap-in function" can not control the half-opening or the window of the window, and the reading structure and the transmission are additionally attached to the structure of the window, so the planning of the space before the installation must be cautious. It is necessary to consider the convenience of maintenance and repair, on the other hand, it must be both operational (4) and premise that it will not break the room (four) view. Therefore, "having a card to the Wei (4) window structure" does not have the disadvantages of the above (4). In view of the lack of the above-mentioned prior art, the creator devoted a lot of time to researching relevant knowledge' and compared various advantages and disadvantages 1 to carry out research and development of related products, and after many experiments and tests, finally launched - "window" "Automatic opening and closing structure" is based on the improvement of the technology. It is necessary to use the manpower to control the opening and closing of the window by the window in person, so as to effectively control or limit the range of opening or closing of the door. In the window structure, some of the structural devices are external to the window, which causes inconvenience in maintenance and maintenance, or the appearance of the overall interior is not enough. [New content] The main purpose of this creation is to improve the aforementioned conventional technology and the "electric window structure with card-return function", which cannot effectively (4) or limit the angle range of opening or closing of the weaving household, and must be manually operated. Adjust the opening or closing angle of the window, and (4) the structure is exposed outside the window, which leads to the lack of detailed discussion of related problems such as M443066 labor time before construction. In order to achieve the purpose and effect of the foregoing creation, the present invention provides an automatic window opening and closing structure, which comprises: a bottom frame; a movable frame, the side of the movable frame and the bottom frame are pivoted to each other, and the movable frame is at the bottom An adjacent side of the frame is provided with a recess inwardly; a control device comprising a screw, a motor and a telescopic member, the screw and the motor are mounted in the recess, and the motor drives the screw spiral One end of the Φ shrinking member is slidably disposed on the screw, and the other end is locked to the bottom frame; at least one control member is disposed in the groove of the movable frame and electrically connected to the motor. The control contact member is provided with a button; accordingly, during the folding process of the movable frame relative to the bottom frame, the telescopic member is screwed by the screw and touches the button and stops the motor operation, so as to control the opening and closing angle of the window automatically. The automatic opening and closing structure of the window further comprises the following technical features: 1) a rib extends inwardly on both sides of the groove slot, and the control member is disposed in the groove and abuts the rib, and another The gasket is outside the groove, and the gasket and the control member are interlocked with each other, and the rib is further sandwiched between the gasket and the control member. 2) The telescopic member is disposed at one end of the screw and further provided with a moving block. The moving block is disposed in the groove, and the screw penetrates and screws the moving block. The moving block is displaced by the frame of the screw, and the telescopic member is linked. The telescopic. 3. There is also a shake control to control the start or stop of the motor. 6 M443066 4. There is another power supply cable on the motor. The power cable runs through the recess to the bottom frame. The step is electrically connected to the socket to provide motor operation. Therefore, this creation can be said to be a kind of practical and progressive creation, which is worthy of promotion by the industry and is publicized by the Duhui people to make its society more progressive. [Embodiment] The present invention provides an automatic window opening and closing structure for effectively controlling or limiting the opening or closing angle range of a window, and does not require labor to consider whether the window is condensed or inconvenient for maintenance. The main functions and characteristics are described in conjunction with the following related drawings as a simple embodiment. Please refer to the first to third figures, a window automatic opening and closing structure, which comprises: a bottom frame 1; an eighth movable frame 2, the movable frame 2 - the side and the bottom frame i are mutually pivotable relative to each other And the activity box 2 is in the bottom frame! The inserted adjacent-side system is provided with a recess 21 inwardly, and the control device 3 includes a screw 3 - motor 32 and a scale 33, which is mounted on the motor The groove ^ is driven to drive the screw (four) spiral, the end of the telescopic member 33 is slidably disposed on the screw 31, and the other end is locked to the bottom frame 1; at least one control member 4 is disposed, and the control member 4 is assembled The groove 21' of the movable frame 2 is electrically connected to the motor 32' and the control member 4 is provided with a button 41. According to this, the movable frame 2 is opposite to the bottom. Touching the touch 41 and stopping the motor to operate, so as to control the opening and closing angle of the window automatically (the foregoing is the main technical feature of the main embodiment of the present invention, which is corresponding to the content of the first item of the patent application scope of the present application. The purpose and implementation of the present invention, and the technical features described in the remaining scope of the patent application are detailed or additional technical features of the content of the patent application scope, and are not intended to limit the first item of the patent application scope. To define the scope, it should be known that the scope of the patent application in this case is not necessary - it must be included Please exit β attachment features of the scope of the patent). Please refer to the action diagram of the movable frame 2 shown in the fourth to fifth figures, and with the second figure component decomposition diagram, in order to be able to open or close the angle range of the window according to the user's demand, the groove 21 is notched in the groove 21 A rib 211 ′ extends in the lateral direction, and the control member 4 is disposed in the groove 21 and abuts against the rib 211 , and a gasket 42 is disposed outside the groove 21 , and the gasket 42 and the control member 4 are respectively disposed. The ribs 211 are mutually locked, and the ribs 211 are further sandwiched between the shims 42 and the control contacts 4, however, the locking manner of the shims 42 and the control contacts 4 can be customized according to the needs of the user. The spacer 42 and the control member 4 are displaced to the desired position by the arrangement of the rib 211. The lock 42 and the control member 4 are locked by the screw to clamp the rib 211, thereby changing the movable frame 2 The range of the angle of the opening or closing of the coupling (this creation is to illustrate that the spacer 42 and the control member 4 are locked in the rib 211 in a preferred embodiment, but it is not intended to limit the manner in which it is assembled, The gasket 42 and the control member 4 can be assembled with each other by means of fastening, tying or adhesive. M443066 Please refer to the first figure and the sixth figure. In order to meet the user's need for the opening angle control or the closing angle control, the control member 4 can be disposed at one end of the two ends of the groove 21. And in the position where the telescopic member 33 can be touched, in order to meet the needs of the user, in addition to the arrangement of the single control member 4, the control member 4 can be respectively mounted on both ends of the recess 21, and is stretched and contracted. The position at which the member 33 can be touched further provides the user with control over or limited the range of angles of engagement when the user is turned on or off. Referring to the first to sixth figures, a movable block 331 is further disposed at one end of the telescopic member 33 disposed on the screw 31. The moving block 331 is disposed in the recess 21, and the screw 31 is inserted and screwed. Block 331, the moving block 331 is displaced by the pivoting of the screw 31, and the telescopic expansion and contraction of the telescopic member 33 is interlocked to further ensure that the telescopic member 33 can smoothly expand and contract without being disposed by the screw 31 or the movable frame 2. influences. Referring to the seventh figure, in order to provide a person unable to make power and inconvenience, the range of opening or closing angle of the movable frame 2 can be controlled, and a remote control member 5 is additionally provided to wirelessly connect the motor 32, and the remote control member 5 controls the motor. The start or stop of 32 is to assist the user's operation, and there is no need to manually control the opening and closing of the active box 2. Please refer to the seventh figure. When the active frame 2 is activated, the core of the overall operation is the motor 32, and the motor 32 is driven by electric power. Therefore, the motor 32 is additionally provided. There is a power connection line 6, which is penetrated from the inside of the recess 21 toward the bottom frame 1, and is further electrically connected to the socket, and uses the power provided by the city voltage to drive the operation of the motor 32 and is turned on or off. The function of the movable box 2 (in addition to the electrical connection cable 6 is electrically connected to the socket, a battery can be installed inside the motor 32 to provide a power source for the motor 32). Referring to the eighth figure, in addition to installing the control member 4 in the hinged window to control the opening or closing state of the movable frame 2, the present application can also be applied to the push window (from bottom to top). Open), external window (open from top to bottom)' Open the window (open from left to right or open from right to left), or a window such as a folding window to control the opening or closing of various window types. State (This creation is exemplified by the fact that the control device 3 is provided with a control device 3 as a picture, but is not intended to limit the various window types mentioned above). The above description is only a preferred embodiment for explaining the present creation, and is not intended to impose any form limitation on the creation, so that any modification related to the creation in the same creative spirit is made. Or the changer, other types that can be implemented and have the same effect, should still be included in the scope of the invention. In summary, the "automatic opening and closing structure of windows" in this creation is practical and cost-effective. It is indeed in line with the development of the industry, and the disclosed structural creation is also an unprecedented innovative structure, so it has "New Dependence" should be taken seriously. It is also considered to be more effective than the structure used by F. Therefore, it is also progressive. It is in full compliance with the requirements of the application requirements for invention patents in China's Patent Law. Please apply for a patent towel, and please ask the bureau for an early review and give it affirmation. M443066 [Simple description of the diagram] The first diagram is a three-dimensional diagram of the creation. The second figure is an exploded view of the authoring component. The third picture is a schematic diagram of the state in which the creative activity box is not opened. The fourth picture is a schematic diagram of the opening state of the creative activity box. The fifth picture is a schematic diagram of the state of the moving block touching the button after the creation activity box is opened. The sixth drawing is a perspective view of the second embodiment of the present creation. The seventh drawing is a perspective view of the third embodiment of the present invention having a remote control member and a power connection line. The eighth figure is a perspective view of the fourth embodiment of the present creation. [Description of main component symbols] Bottom frame 1 Moving frame 2 Groove 2 1 Rib 2 11 Control device 3 Screw 3 1 Motor 3 2 Telescopic piece 3 3 Moving block 3 3 1. Control contact 4 Button 4 1 Shim 4 2 Remote control 5 Power cable 6 11