M312453 八、新型說明： 【新型所屬之技術領域】 • 本創作係關於一種休閒車車厢結構，主要是利用車厢 底板置設的轴承座與擴增車廂底架兩侧導桿穿套軸設取得 往復推移導持關係’佐以兩侧導引#條與其傳動連桿兩端 從動齒輪所構成的同步作動關係，令其無論採電動堪動或 手動推移，均得以確保其擴增車廂的外移或内縮得以在極 為平穩的型態下進行者。 _【先前技術】 按，由於週休二日的工作型態實施，引發了國人休閒 、度假的風潮，而在此一效應的影饗下，每到週休二日的 假期，各大風景區及度假中心的旅館業之住房率便急劇大 增，往往一房難求，導致未預先訂房的旅客因無處過夜， 往往只能當日往返，不但破壞了旅遊的興緻，同時亦容易 衍生疲勞駕駛而危及行車安全的問題，為解決此一問題， 鲁部份崇尚大自然及嚮往休憩恬靜生活的人士，乃改以露營 或野炊、烤肉的方式來度過週休二日的假期，惟以此類露 營活動之實施，又常遭遇場地、設備租用、以及天候因素 等條件限制，是以兼具有休閒功能之露營車乃應運而生， 藉其車廂内搭載的衛浴及基本的餐飲設備及寢具···等 ’使其得以將露營車開至定點後，其即可從事露營、野炊 等休閒活動。 惟，以此類休閒車結構觀之，因其車廂的容量有限， 加上其搭載有各種必需的基本設備，因此車廂可用的空間 M312453 相當狹小，為解決此類問題，乃有業者將車廂作可擴增設 汁，如第0 9 2 206 8 0 9號「休旅車之附加空間結構 」新型專利案，即有類似之結構設計，其主要於其車體的 側邊或後方預設有開口，於其開口兩侧分別設有滑軌，並 於一框狀容置室的底緣設有對應於滑軌之軌道，容置室内 另設有活動板體，據以在使用容置室擴增車廂内部空間時 ，得藉其軌道及滑軌的配合形成往復推移導持另其得將 容置室往外推出並藉外側支撐桿予以支撐，以達車内空間 的擴增，而在不使用或車輛行敬時，則可將容置室往内回 縮以回復其既有的車廂型態，據以特能彌補此類休銜車空 間不足之缺失。 然，因其容置室在外推或内縮之往復推移操控上因 完全係仰賴，手動推控操作，是以在操作上較為麻煩f力， 尤其是在其容置室搭載的設備重董較大時，欲手動將之推 出更有其困難性，再者，因其容置室的往復推移僅藉其底 修部軌道配合車體的滑軌形成導持作用’在欠缺平衡連動結 構的情形下，很容易在將容置室往復推移的過程中，因其 施力不均而導致容置室無法平穩地被推出或推入，甚至發 生滑軌與軌道卡死的問題，嚴重影饗其操作之便利性與實 用性’自難稱為理想之設計者。 再者，因其容置室與車體係利用軌道與滑軌賦予往復 推移的功能，但其並未作適當的定位結構設計，導致其戎 置至向外推移的狀態下，其狀態並無法獲得穩固的維持， 如此來，很容易因外力的作用而造成其容置室的回縮， M312453 嚴重影響其使用的穩定性與安全性，實有必要設法加以解 決改善者。 【新型内容】 有鑑於現有休閒車在其容置室擴增車内空間上所衍生 之諸多問題與缺失，創作人特著手進行研發設計，基於其 從事相關行業之多年經驗與技術，進而研創出本創作之休 閒車車厢結構，即其主要目的乃在於經由結構之組成設計 ’使其在擴增車廂的往復推移動作上，特可獲得極為平穩 •之順暢進行者。 本創作之另一目的係在於經由結構之組成設計，使其 得以採馬達傳動方式操控擴增車廂的往復推移，以達省力 、便力之實用效能，且在無電源供應的狀態下，仍得採手 動推移方式操控，使其在擴增車廂的推移操控上可獲得全 方位之操作性能者。 本創作之又一目的係在於經由結構之組成設計，手其 籲擴增車廂在馬達傳動的結構型態下，特可兼具有擴增車廂 型態定位的功能，使其無受外力作用而外伸或内縮之虞， 以維持其使用之安全性者。 為達前揭目的，本創作於結構設計上，主要是於休閒 車的車廂組設擴增車廂的開口處之車廂底板兩側分別設有 一對軸承座，俾與擴增車廂底架兩侧預設之導桿穿套抽設 ，又在擴增車廂底架的二導桿相對内側另增設有一對導引 齒條，該二導引齒條分別與一從動齒輪响合，並藉以傳動 連桿取得二從動齒輪的同步作動關係，利用車廂底板藏置 M312453 之減速傳動馬達配合馬達一侧之扳控開關得以切控馬達與 傳動連桿的驅動關係型態，俾得以電力驅動馬達驅動該傳 動連桿兩端從動齒輪嚙合連動導引齿條的往復滑移，進而 達成擴增車廂之外移或内縮操控，或者在無動力狀態下得 以直接手動推移擴增車廂在兩侧導引齒條與從動齒輪的喷 合限位下，行使穩定之外移或内縮操控，據以確保其播增 車廂的往復操控之平穩進行者。 【實施方式】 有關於本創作之結構組成、技術手段及功效達成方面 ，謹配合圖式再予舉例進一步具體說明於后： 請參閱第1圖之結構示意圖、第2圖之結構分解示意 圖及第3〜5圖之結構關係示圖、以及第6、7圖之操控 動作示意圊’係為本創作之一較佳實施例，如圖所示，其 結構設計上，主要是於休閒車的車廂（1 〇)預定部位至 少製設有一開口（ 1 1 )以組設擴增車廂（2 0 ),該開 口（ 1 1 )的尺寸概與擴增車廂（2 0 )相符，俾使擴增 車廟（20)得以完全縮入車廂（1〇)内部，藉以利用 該擴增車廂（20)的外移或内縮而決定其内部可利用空 間的大小；其中： 該車廂（1 0)對應於開口（1 1)處之車廂底板（ 12)兩側分別設有一對轴承座（13) (14)，俾得 利用該兩對軸承座（13) (14)與擴增車廂（20) 底架（21)兩侧預設之導桿（23) (24)穿套轴設 ，又在擴增車廂（20)底架（21)的二導桿（23) M312453 (2 4 )相對内侧 )，該二”丨齒條條（25) (26 ^丨齒條（2 5 ) ( 2 6 ) (31) (3 9、4人 ，刀別與一從動齒輪 )喷σ ’並藉一傳動連桿 從動齒輪（31) 旱（30)取得二 板（12)^〜 步作動關係1在車厢底 2)預疋位置處凹設有一槽室 1 5 )的位置以t……至（1 5 ) ’該槽室（ (15)…f 側邊為宜’於該槽室 達（40)之組減速傳動馬達（4Q)，該馬 ?. 力輸出軸（41)所套組之傳動齒輪（4 鏈條（43)與前述傳動連桿（3〇)套組的 另一被動命輪（3 3 )取得傳動關係，並藉馬達(4 〇) -侧之扳控開_ (44)得以切控該鏈條（4 3)與馬達 (4 0 )之傳動齒輪（4 2 )的緊掣或鬆脫，俾得決定馬 達（40)對該傳動連桿（3〇)的二組從動齒輪（3工 )(3 2 )之傳動型態，依此構成本創作擴增車厢（2 〇 )的推移傳動機構，同時該擴增車廂（2〇)的底架（2 1)乃覆設有一蓋板（22)，藉以隱飾前述之構件，以 維持其整艘美觀，並避免造成在車内空間活動的影響； 又’為了賦予其擴增車廂（2 〇 )内縮收合時之狀態 維持’避免因誤觸開關或機件故障而造成擴增車廂（2〇 )在車輛行駛中發生外移的安全疑慮，本創作乃得進一步 於擴增車廂（20)的蓋板（22)與車廂（10)底板 (1 2 )的預定位置（通常係隱置於其空間增設設被下方 )製設對應的栓孔，俾得供一固定拴（2 7)插設以定位 擴增車廂（20)的内縮收合狀態，或者更可進一步於該 M312453 擴增車廂（2 Ο )的栓孔一侧增設一壓觸開關（2 8 )， 俾在將固定栓（27)插設固定擴增車廂（20)的内縮 狀態時，得以一併觸發該觸壓開關（28)而切斷馬達（ 40)的電源，使其無論誤觸開關或機件固障，均能有效 確保其擴增車廂（20)内縮收合狀態的穩定，不致有車 輛行駛中外移的安全疑慮； 據此，經由上揭結構之組成設計，當欲增加休閒車的 車内空間時，乃得以電力驅動馬達（4 0 )，經馬達（4 〇)動力樞出轴（4 1)的傳動齿輪（42)配合鏈條（ 43)傳動該傳動連桿（3〇)兩端從動齿輪（31)( 32)的同步旋轉，使嚙合於從動齒輪（31) (32) 之導引齒條（25)(26)產生外移效果，配合擴增車 厢（20)底架（21)兩側導桿（23) (24)與車 廂（"）底板（1 2 )轴承座（！ 3 )(丄4 )的軸設 導引關係’令該擴增車廂（2〇)將可在極為平穩的狀態 籲下在外推移，達成擴增空間之目的； =欲操作擴增車庙（2G)内縮回復車庙（ ΠΓ型態時，則可以電力媒動馬達"〇)反向運 二輪=條“3)帶動傳動連样（30)兩端的從動 ¥ ( 2 2 . ( 3 2 )反向旋轉，使擴增車廂（2 〇 )底 ，導引齒條（2 5 ) ( 2 6 )受從動齒輪（3 )底架向内推移，配合擴增“（2〇 )底板(以::座:心 1 3) (14)的軸設導引關係 M312453 ’令該擴增車廂（20)同樣可在極為平穩的狀態下往内 縮移’達成回復空間之效能； 另’在無電力的狀態下，因該馬達（4〇)缺乏動力 而無法運轉，此時該傳動連桿（3 0 )兩端之從動齒輪（ 31)(32)亦因無動力傳動而不會旋轉，受限於從動 齒輪（31) (32)與擴增車廂（20)底架（21) 二導引齒條（25) (26)的嚙合關係，造成該擴增車 鲁厢（2 0)將無法被往復推移，如此一來，將可形成換增 車廂（2 0 )的外推或内縮型態的定位功能，避免其受外 力作用而輕易改變擴增車廂（2 〇 )的狀態，以維持其使 用的安全性； 又，在無動力的狀態下，如欲操作擴增車廂（2〇) 、/復推移時，則需藉由該馬達（4 〇 ) 一侧的扳控開關 (44)切控，令馬達（4〇)動力輸出軸（41)的傳 動齒輪（4 2 )鬆脫與鍵條（4 3 )的喷合傳動關係，使 ♦傳動連桿（30)兩端從動齿輪（31) (32)不致受 到鏈條（4 3 )的被引限制，因此可以手動的方式推移擴 曰車廂（2 0)外移或内縮，達手動操控擴增車廂（2〇 )擴増或回復空間的效能，且在其手動推移擴 =過程中’因擴增車麻（20)底架（2 "二 Z ( 2 3 ) ( 2 4 )與車厢(丄〇 )底板（丄2 )預置轴 上L(L3) (14)的套組軸設關係，因此在手動推移M312453 VIII. New description: 【New technical field】 • This creation is about a recreational vehicle structure, which mainly uses the bearing seat provided on the floor of the compartment and the guide rods on both sides of the enlarged chassis. The reciprocating transition relationship is obtained. The synchronous actuation relationship between the two guides and the driven gears at both ends of the transmission link makes it possible to ensure the expansion of the carriage regardless of the electric or manual movement. The outward movement or contraction can be carried out in an extremely stable pattern. _[Previous technology] According to the implementation of the work pattern on the second day of the week, it has triggered a wave of leisure and vacation for the Chinese people. Under the influence of this effect, every holiday and two holidays, major scenic spots and vacations The housing rate of the hotel industry in the center has increased sharply. It is often difficult to find a house. As a result, passengers who have not booked in advance have nowhere to stay. They often only have to travel to and from the same day. This not only destroys the interest of tourism, but also easily leads to fatigue driving. The problem of driving safety is to solve this problem. Some people who admire nature and yearning for a quiet life are going to spend the weekend and two days of vacation in the form of camping or picnics and barbecues. The implementation of the site is often subject to conditions such as site, equipment rental, and weather factors. It is a camper car with a leisure function. The bathroom and basic catering equipment and bedding are included in the car. · Wait for 'to enable the camper to drive to a fixed point, then you can engage in recreational activities such as camping, picnics and so on. However, in view of the structure of such a recreational vehicle, because the capacity of the compartment is limited, and it is equipped with all the necessary basic equipment, the space available for the carriage M312453 is quite small. To solve such problems, the manufacturer has made the carriage Augmentable juices, such as the new patent case No. 0 9 2 206 8 0 "Additional space structure for recreational vehicles", which has a similar structural design, which is mainly pre-installed on the side or rear of the vehicle body. The opening is respectively provided with sliding rails on both sides of the opening, and a track corresponding to the sliding rail is disposed at a bottom edge of a frame-shaped accommodating chamber, and a movable plate body is further disposed in the accommodating chamber, so that the accommodating chamber is used When amplifying the interior space of the car, it is necessary to form a reciprocating shift guide by the cooperation of the track and the slide rails, and the support room is pushed out and supported by the outer support bar to expand the interior space of the vehicle without using Or when the vehicle is in a respectful manner, the accommodation room can be retracted inward to restore its existing compartment type, so that it can make up for the lack of space for such a rest. However, because of the reciprocating movement of the housing chamber during the extrapolation or retraction, the manual control operation is more troublesome in operation, especially in the equipment in the housing chamber. At the time of the big time, it is more difficult to push it out manually. Moreover, because of the reciprocating movement of the housing chamber, only the rails of the bottom repairing portion are combined with the sliding rails of the vehicle body to form a guiding effect. In the case of lacking the balance linkage structure Under the process of reciprocating the accommodating chamber, the accommodating chamber cannot be pushed out or pushed in smoothly due to uneven application of force, and even the problem of the sliding rail and the track being stuck is seriously affected. The convenience and practicality of the operation 'self-hardness is called the ideal designer. Furthermore, because the accommodation room and the vehicle system use the track and the slide rail to impart the function of reciprocating displacement, but the design of the positioning structure is not made, the state is not obtained when the device is placed in the outwardly displaced state. Steady maintenance, in this way, it is easy to cause the retraction of the containment chamber due to the external force. M312453 seriously affects the stability and safety of its use, and it is necessary to try to solve the improvement. [New content] In view of the many problems and shortcomings of the existing recreational vehicles in the expansion of the interior space of their storage rooms, the creators have specially developed R&D and design, based on their years of experience and technology in related industries, and then researched and created this book. The creation of the structure of the recreational vehicle compartment, that is, its main purpose is to design the structure of the structure to make it possible to achieve a smooth and smooth movement of the reciprocating movement of the augmented compartment. Another purpose of this creation is to design through the structure of the structure, so that it can control the reciprocating movement of the enlarged car by the motor drive mode, so as to achieve the labor-saving and convenient force practical performance, and still have no power supply state, still have to It is controlled by manual shifting, so that it can obtain a full range of operational performance in the process of augmenting the car. Another purpose of this creation is to design through the structure of the structure, and to expand the car in the structure of the motor drive, and to have the function of amplifying the car type positioning, so that it is free from external force. The point of extension or contraction to maintain the safety of its use. In order to achieve the goal, the creation of the design is mainly based on the two sides of the floor of the compartment where the opening of the compartment of the recreational vehicle is provided with a pair of bearing seats, and the sides of the chassis of the augmented car are pre-prepared. The guiding rod is sleeved and pulled, and a pair of guiding racks are additionally arranged on the opposite sides of the two guiding rods of the enlarged chassis, and the two guiding racks respectively converge with a driven gear, and thereby drive the connection The rod obtains the synchronous action relationship of the two driven gears, and the driving relationship between the motor and the transmission link is controlled by the reduction drive motor of the M312453 in the car floor and the driving switch of the motor side, so that the electric drive motor can drive the motor. The driven gears at both ends of the transmission link are engaged to guide the reciprocating slip of the rack, thereby achieving the expansion of the car to move outward or retracted, or directly in the unpowered state to manually push the car to be guided on both sides. Under the spray limit of the rack and the driven gear, the stable outward shift or the retracting control is exercised to ensure the smooth running of the reciprocating control of the broadcast car. [Embodiment] Regarding the structural composition, technical means and efficacy of this creation, we will further elaborate on the following with the following examples: Please refer to the structure diagram of Figure 1 and the structural decomposition diagram of Figure 2 and The structural relationship diagram of the 3~5 diagram and the manipulation operation diagrams of the 6th and 7th diagrams are a preferred embodiment of the creation. As shown in the figure, the structural design is mainly for the compartment of the recreational vehicle. (1 〇) At least one opening (1 1 ) is formed in the predetermined portion to assemble an augmented compartment (20), and the size of the opening (1 1 ) is substantially consistent with the enlarged compartment (20), so that the expansion vehicle is The temple (20) can be completely retracted into the interior of the compartment (1 inch), thereby utilizing the outward movement or retraction of the enlarged carriage (20) to determine the size of the space available therein; wherein: the compartment (10) corresponds to A pair of bearing seats (13) (14) are respectively arranged on both sides of the floor (12) of the compartment (11) at the opening (11), and the two pairs of bearing seats (13) (14) and the enlarged carriage (20) chassis are used. (21) Pre-set guide rods on both sides (23) (24) through the sleeve shaft set, and in the expansion of the carriage (20) chassis (21) Two guide rods (23) M312453 (2 4 ) relative to the inside), the two "claw strips (25) (26 ^ 丨 rack (2 5 ) ( 2 6 ) (31) (3 9, 4 people, Knife and a driven gear) σ ' and borrow a transmission link driven gear (31) dry (30) to get two boards (12) ^ ~ step action relationship 1 at the bottom of the car 2) pre-turn position The position of a tank chamber 15 5 is set to t... to (1 5 ) 'the side of the tank chamber (the side of (15)...f is suitable for the gearbox motor (4Q) of the tank chamber (40), The transmission gear of the horse's output shaft (41) (the 4 chain (43) and the other transmission wheel (3 3) of the aforementioned transmission link (3 〇) set the transmission relationship, and the motor (4 〇) - The side of the control open _ (44) can be controlled to close or loose the transmission gear (4 2) of the chain (4 3) and the motor (4 0), and determine the motor (40) The transmission type of the two sets of driven gears (3) of the transmission link (3〇) constitutes a shifting transmission mechanism of the original enlarged car (2 〇), and the amplification is simultaneously performed. The chassis (2 1) of the carriage (2 〇) is covered with a cover plate (22) for concealing the aforementioned components to Maintain the beauty of the whole boat and avoid the impact of space activity in the car; and 'in order to give its expanded car (2 〇) the state of shrinkage when it is retracted to avoid amplification due to accidental switch or mechanical failure The safety concept of the car (2 〇) shifting out during the running of the vehicle, the creation of the car (20) further enlarges the predetermined position of the cover (22) of the car (20) and the floor (1 2) of the car (10) (usually Concealed in the space to be installed below the corresponding bolt hole, so that a fixed 拴 (27) is inserted to locate the retracted state of the enlarged car (20), or even further A pressure contact switch (2 8 ) is added to the plug hole side of the M312453 amplifying compartment (2 Ο ), and the cymbal is triggered when the fixing bolt (27) is inserted into the retracted state of the fixed augmentation compartment (20). The pressure switch (28) cuts off the power of the motor (40), so that it can effectively ensure the stability of the expansion of the expansion compartment (20) regardless of the accidental touch switch or the mechanical obstacle. Safety concerns about the outward movement of the vehicle; accordingly, through the composition of the structure, In the interior space of the recreational vehicle, the electric drive motor (40) is driven by the transmission gear (42) of the motor (4 )) power pivoting shaft (4 1) with the chain (43) to drive the transmission link (3〇). The synchronous rotation of the driven gears (31) (32) at both ends causes the guiding rack (25) (26) meshing with the driven gears (31) (32) to have an external shifting effect, and cooperates with the enlarged carriage ( 20) Guide rods (23) (24) on both sides of the chassis (21) and the carriage (1 2) bearing housing (! 3) (丄4) The axis guiding relationship 'make the enlarged car (2〇) will be able to move out in an extremely stable state to achieve the purpose of expanding the space; = want to operate the augmented car temple (2G) ) Retracting to the car temple (when the ΠΓ type, you can power the motor motor " 〇) reverse transport two rounds = strip "3) drive the drive to continue sampling (30) at both ends of the driven ¥ ( 2 2 . ( 3 2 Reverse rotation, so that the bottom of the amplification car (2 〇), the guide rack (2 5 ) ( 2 6 ) is pushed inward by the driven gear (3), and the expansion "(2 〇) bottom plate ( To:: Block: Heart 1 3) (14) The axis guiding relationship M312453 'Make the enlarged car (20) also shrink inward in an extremely stable state to achieve the efficiency of the reply space; In the absence of electric power, the motor (4〇) lacks power and cannot operate. At this time, the driven gear (31) (32) at both ends of the transmission link (30) is also not rotated due to no power transmission. Restricted by the meshing relationship between the driven gear (31) (32) and the two guide racks (25) (26) of the enlarged carriage (20) chassis (21), resulting in the amplification of the car (2 0 ) will not be able to move back and forth, so In the first place, the positioning function of the extrapolated or retracted type of the modified car (20) can be formed, so as to avoid the external force acting to easily change the state of the amplified car (2 〇) to maintain the safety of its use. In addition, in the unpowered state, if you want to operate the augmented car (2〇) or /over, you need to control the motor by the control switch (44) on the side of the motor (4 〇). (4〇) The transmission gear (4 2 ) of the power output shaft (41) is loosened and the transmission and transmission relationship of the key bar (4 3 ), so that the transmission gear (30) both ends of the driven gear (31) (32 ) It is not subject to the restriction of the chain (4 3 ), so the expansion of the car (20) can be manually moved or retracted, and the efficiency of the expansion of the car (2〇) to expand or restore the space can be achieved. And in its manual shift expansion = process due to the expansion of the car (20) chassis (2 " two Z (2 3 ) (2 4) and the car (丄〇) floor (丄 2) on the preset axis L(L3) (14) set axis axis relationship, so manually shift
更為輕鬆、省力而順暢’同時經由其二導引齒條U b ) ( 2 6 )與傳動連桿（3 〇 )兩端從動齒輪（3 11 M312453 (32)取得的同步連動關係，將可保持其擴增車廂（2 0 )在極為平穩的狀態下行使往復推移，有效杜絕可能發 生之偏移或卡死問題者； 由是可知’本創作在針對休閒車車廂空間擴增所設置 之擴增車廂的往復推移操控上，捨棄習知單純的滑軌推移 導持設計’而改以導桿與軸承座構成的導持架構，搭配導 引齒條與傳動連桿兩端同步從動齒輪的嚙合連動關係，使 其無論採電動或手動方式操作擴增車廂的往復推移時，均 隹得以在極為平穩的狀態下進行，且在其擴增車廂的外移使 用或内縮藏置狀態下，均得以導引齒條與從動齒輪的嚙合 關係下獲得定位效果，使其無受外力作用而外伸或内縮之 虞，令其使用之安全性得以獲得極佳維持，從而可大幅提 昇其實用價值者。 綜上所述’本創作針對休閒車車廂所作之結構設計， 利用車庙底板置設的轴承座與擴增車廂底架兩侧導桿穿套 _軸設取得往復推移導持關係，佐以兩侧導引齿條與其傳動 連桿兩端從動齒輪所構成的同步作動關係，令其無論採電 動驅動或手動推移，均得以確保其擴增車廂的外移或内縮 得以在極為平穩的型態下進行，並能兼具有擴增車廂狀態 疋位之功能，有效提昇其使用安全性與實用性，整體而言 ’確具有產業利用價值，爰依法提出專利申請。 【圖式簡單說明】 第1圖：係本創作較佳資施例之結構示意圖。 第2圖：係本創作較佳實施例之結構分解示意圖。 12 M312453 第3圖：係本創作較佳實施例於俯視狀態下之結構關係示 意圖。 第4圖：係本創作較佳實施例於侧視狀態下之結構關係示 意圖。 第5圖：係本創作較佳實施例於電動/手動切換狀態下之 結構關係示意圓。 第6囷 :係本創作較佳實施例於操作擴增車廂外移時之操 控動作示意圖。 :係本創作較佳實施例於操作擴增車廂内縮時之操 控動作示意圖。 主要元件符號說明 〇 ) 〇 ) 車廂 底板 槽室 擴增車廂 蓋板 (1 1 )開口 (13)(14)轴承座 (2 1 )底架 (2 3 ) ( 2 4 )導桿 (4 (4 (4 8 ) 1 ) 〇 ) 2 ) 4 ) (26)導引齒條（27)固定拴 觸壓開關 （3 0 )傳動連桿 (32)從動齒輪（33)被動齒輪 馬達 傳動齒輪 扳控開關 (41)動力抱出轴 (4 3 )鏈條 13It is easier, less labor-saving and smoother. At the same time, through its two guiding racks U b ) ( 2 6 ) and the transmission link (3 〇) at both ends of the driven gear (3 11 M312453 (32), the synchronous linkage relationship will be It can keep its augmented compartment (20) moving back and forth in an extremely stable state, effectively preventing possible offset or jamming problems; it is known that 'this creation is set for the expansion of the recreational vehicle compartment space. In the reciprocating movement control of the augmented compartment, the conventional simple rail shifting guide design is discarded, and the guide structure composed of the guide rod and the bearing housing is changed, and the synchronous gear and the synchronous connecting gear at both ends of the transmission link are matched. The meshing and interlocking relationship enables the uniform movement to be performed in an extremely stable state regardless of the reciprocating movement of the amplified car by electric or manual operation, and in the state of externally moving or retracting the augmented compartment The positioning effect can be obtained under the meshing relationship between the rack and the driven gear, so that it can be externally stretched or retracted without external force, so that the safety of the use can be excellently maintained, thereby greatly improving in fact In summary, the above-mentioned design is designed for the structure of the recreational vehicle compartment. The bearing seat provided by the bottom of the car temple and the guide rods on both sides of the enlarged chassis of the car are used to obtain the reciprocating transition relationship. It adopts the synchronous action relationship between the guide racks on both sides and the driven gears at both ends of the transmission link, so that whether it is driven by electric drive or manually, it can ensure that the expansion or retraction of the enlarged carriage is extremely It is carried out in a stable mode, and can also have the function of amplifying the state of the car, effectively improving the safety and practicability of its use. Overall, it does have industrial use value, and patent application is filed according to law. Brief Description: Fig. 1 is a schematic structural view of a preferred embodiment of the present invention. Fig. 2 is a schematic exploded view of a preferred embodiment of the present invention. 12 M312453 Fig. 3: A preferred embodiment of the present invention is viewed from above. Schematic diagram of the structural relationship in the state. Fig. 4 is a schematic diagram showing the structural relationship of the preferred embodiment of the present invention in a side view state. Fig. 5 is a diagram showing the preferred embodiment of the present invention in an electric/manual switching state. The structural relationship is shown as a circle. Section 6: Schematic diagram of the control action of the preferred embodiment of the present invention when operating the augmented car to move outwards: A schematic diagram of the control action of the preferred embodiment of the present invention for operating the enlarged car interior Main component symbol description 〇) 〇) Car floor tank compartment Amplification compartment cover (1 1 ) Opening (13) (14) Bearing seat (2 1 ) Chassis (2 3 ) ( 2 4 ) Guide rod (4 ( 4 (4 8 ) 1 ) 〇) 2 ) 4 ) (26) Guide rack (27) fixed 拴 touch switch (3 0 ) drive link (32) driven gear (33) passive gear motor drive gear Control switch (41) power take-up shaft (4 3 ) chain 13