M361863 五、新型說明： 【新型所屬之技術領域】 “本们作係安裝在-中耕機上，其利用三齒輪間的齒輸比 藉以提高引擎輸出扭力的減速構造 【先前技術】 ' 中耕機為'種農業用的機具，其主要係針對小面積田地 _在作物生長前後施行田地翻耕鬆土、耕溝、除草、施肥之機 鲁具’目前使用的中耕機，請參看第五及六圖所示，其構造包 括有-桿體（6G)，該桿體（6〇)呈中空桿且於内部穿設有一傳 動轴（62)，桿體（60)於外部一端設有耕輕刀（7〇)，該耕粒刀 (7〇)可為鬆土刀或開溝培土刀等’其與傳動轴（62)—端連接 並使其驅動’於桿體（6〇)外部的另—端設有可操控駕驶的把 手（71)，並在該處設有與桿體（6〇)另一端連接的引擎（5〇)， 引擎（50)的動力與傳動軸（62)另端連接； 前述中耕機的引擎（50)的動力輸出部設有離合器（51)， #該離合器（51)具有數片可張開或閉合的迫緊片，又傳動轴 (62)另-端連接有—中空狀的作動盤（63)，該作動盤⑹)具 有開口可罩3又於離合器（5 i)的各迫緊片外侧，如此於引擎 ()阿速轉動後各迫緊片將向外張開並抵頂在作動盤（63)的 、内壁面，以達到將動力傳送至桿體（60)内部的傳動轴（62)並 進步驅動耕耘刀（7〇)$動並使田地的土壤進行良。 刖述現有技術中耕機驅動耕耘刀（7〇)轉動的動力係經 由作動盤（63)直接由引擎（5〇)予以驅動，由於高轉速引擎（5〇) 的直接驅動下’該傳動軸（62)係產生具有一定扭力了驅動耕 3 M361863 扭刀（70)，故欲產生一設計的扭力必須配置有相對應的引 擎，藉由相對應規格型式的引擎（50)，始可達到中耕機的農 業工作，因此引擎（50)必須具有一定的馬力數而必須耗費一 定的油料，且由於馬力數關係將具有一定的體積外型及重 里’使仵該農業機具較為耗費成本在操作上亦有其不便之 處。 【新型内容】 本創作者有關於前述現有技術的構造所存在的問題及 缺點’而設計一種安裝在引擎輸出端與驅動耕耘刀之傳動 軸間的減速構造，藉此可使用小馬力的引擎即可產生較大 扭力的驅動模式，以達到降低購置農業機具的成本且在操 作使用上較為方便。 為了可達到前述的創作目的，本創作所運用的技術手段 係在於提供一種中耕機的減速構造，其設有一機殼及一減速 組；該機殼為一中空體，於其二端的二相對側面上設有座 孔，該座孔呈貫穿型式；該減速組具有一第一齒輪、第二齒 輪及一鏈條，其中該第一、二齒輪的齒數及外徑不同，二齒 輪分別樞設在機殼上且相對於軸孔位置處，該鏈條套設嚙合 於一齒輪上，該第一齒輪的中心突伸有一軸桿，且其内部形 成有結合孔，另在第二齒輪的中心且相對於座孔形成有一固 定桿。 所述之中耕機的減速構造，其中該中空的機殼由二分 離的第一殼體及第二殼體組成，該二殼體的相對側形成為 凹部’以形成有可容置減速組的空間，又前述位在機殼相 對二側的座孔分別位在第一、二殼體上。 4 M361863 所述之中耕機的減速構造，其中該第一殼體上在相對 於第二殼體所設的座孔位置設有一容室，該第二殼體上备 相對於第一殼體所設的座孔位置設有一容室，又在第一齒 輪二側面設有同一中心的軸桿，在該軸桿上進一步設有轴 承，在第二齒輪二側面設有同一中心的軸桿，於軸桿上進 一步設有轴承’所述的各軸承外側設在相對應之第一、二 殼體的容室及座孔内。 所述之中耕機的減速構造’其中第一齒輪的轴桿内部設 鲁 有結合孔，該結合孔内壁形成有至少一位在轴向的卡溝，另 進一步設有一驅動桿（40)，其外側且在軸向位置設有至少一 突條，該突條與，該卡溝相互穿設結合。 藉由前述技術手段的運用，本創作的減速構造實施在 中耕機時，其可安裝在原現有技術的中耕機的引擎與桿體 之間，亦即將引擎的離合器與桿體分離，再將本創作的二 端分別與引擎的離合器及桿體結合即可，在改裝上極為簡 便且此設計可使引擎驅動該傳動轴而可產生有一定的扭 力； β又由於本創作設計可提高中耕機的輸出扭力，若欲獲 付與現有技術之中耕機相同的扭力，則本創作所使用配置 的引擎馬力可相對較現有技術之中耕機的馬力為小即可達 如此較小馬力㈣擎配置將可確實達到降低成本及銷 售價格，另可降低燃料的使用量。 【實施方式】 的減速構造， 參看第一圖所示，本創作所設計的中耕機 八八有機殼（10)及一減速組（20); M361863 該機殼（10)為一長型的中空體，其内部形成有一容置空 間，另在二端位置且在不同侧面上分別形成有一座孔 (111)(121)，相對於二座孔（111)(121)的機殼（1〇)上分別形 成有一結合座，該機殼（1 0)的具體實施例可設計為由第—、 二殼體（11)(12)相對併合組成，並於其周邊上以固定件相互 結合’且在二殼體（11)(12)的相對側形成有凹部，以形成為 前述的容置空間； ' 再配合參看第二及三圖所示，該第一殼體（11)的一端設 • 有前述的座孔（111)’該座孔（111)呈貫穿型式，又於第一殼 體（11)内側壁的另一端形成有一凹狀的容室（112)，又第二殼 體（12)在相對於容室（112)一端的位置設有一貫穿的座孔 (121)，且座孔（121)與容室（112)位在同一中心線上，於其另 一鳊且相對於座孔（111)位置設有一呈凹狀的容室（122)，且 容室（122)與座孔（111)位在同一中心線上； 該減速組（20)，其具有一第一齒輪（2彳）、一第二齒輪 (22>、一鏈條（23)及數個軸承（24)，該第一齒輪（21)於二側 隹面的中心位置分別突伸有軸桿（212)且其中心設有貫穿的結 合孔（211)’該結合孔（211)的内壁面形成有至少一位在軸向 的卡溝，於各軸桿（212)的外部設有一軸承（24)，且各轴承（24) 勿別设在第一、二殼體（11)(12)相對的容室（112)與座孔（121) 内，藉此設計使第一齒輪（21)樞設在機殼（10)内； 該第二齒輪（22)於二侧面的中心位置分別突伸有一軸 桿（221)及一固定桿（222)，於該軸桿（221)與該固定桿（222) 的外側分別設有軸承（24)，且各軸承（24)分別相對設在第 一、二殼體（11)(12)的座孔（111)與容室（122)内，藉此設計 M361863 使第二齒輪（22)枢設在機殼（10)内；再配合參看第四圖所 示’該鏈條（23)可套設嚙合在第一、二齒輪（21)(22)上，且 所設計的第一、二齒輪（21)(22)的齒數不同，經由鏈條（23) 連接後可改變第一、二齒輪（21)(22)的轉速比。 本創作減速構造，其機殼（1 〇) —端的第一齒輪（2彳）與一 桿體（60)内部所設的傳動軸（62)連接，其具體構造係在第一 齒輪（21)的結合孔（211)處設有一驅動桿（4〇)，該驅動桿（4〇) —的外側且在軸向位置設有至少一突條，該突條可供與結合孔 • (211)内的卡溝相互穿設結合，該桿體（60)—端設有結合片 (61)，該結合片（61)可固定在機殼（1〇)外側相對位置的結合 座處’而傳動軸（62)與驅動桿（40)相互結合，又於機殼（1〇) 另一端的第二齒輪（22)的固定桿（222)與一作動盤（3〇)連 接，該作動盤（30)表面設有一軸部（31)，該軸部（31)設有貫 穿的固定孔（32)，該作動盤（3〇)以該固定孔（32)與固定桿 (222)相互結合m定，且作動盤（3G)可套置在離合器⑹）的各 迫緊片(52)的外侧處，且引擎(5〇)與機殼(1〇)相對位置的結 泰 合座相互組裝固定。 如此當引擎（50)動力經由離合器（51)及其迫緊片（52)與 作動盤（30)結合，使其動力可驅動第二齒輪⑽經由鏈條 (23)傳送至第一窗輪(2”，再由第一齒輪(21)經由驅動桿_ 進一步驅動該傳動軸（62)轉動，由於前述第一、二 (21 )(22)窗輪比的減逮，使得引擎丨5〇丨|^中& & & ,, p 1 更仔引擎（50)輸出的動力經減迷組 (20)作用後，即可輸出提高其扭力。 【圖式簡單說明】 第-圖係本創作安裝在機具上的外觀分解圖。 7 M361863 第二圖係本創作的立體分解圖。 第三圖係本創作的組合剖面圖。 第四圖係本創作的組合示意圖。 第五圖係現有技術的實施例圖。 第六圖係現有技術的組合剖面圖。 【主要元件符號說明】 (11)第一殼體 (112)容室 (121)座孔 (20)減速組 (211)結合孔 (22)第二齒輪 (222)固定桿 (24)軸承 (31)軸部 (40)驅動桿 (50)引擎 (52)迫緊片 (61)結合片 (63)作動盤 (71)把手 (10)機殼 (111)座孔M361863 V. New description: [New technology field] "This is installed on the cultivator, which uses the gear transmission ratio between the three gears to improve the output torque of the engine. [Prior Art] 'The cultivator is 'Agricultural machinery, mainly for small-area fields _ field ploughing and ploughing, ploughing, weeding, fertilizing machine before and after crop growth, 'current cultivators, please refer to the fifth and sixth figures As shown, the structure includes a rod body (6G) which is a hollow rod and is internally provided with a transmission shaft (62), and the rod body (60) is provided with a ploughing knife at the outer end ( 7〇), the ploughing knife (7〇) can be a ripper or a ditching knives, etc., which is connected to the end of the drive shaft (62) and drives it to the outside of the rod (6〇). The handle is provided with a handle (71) for driving, and an engine (5〇) connected to the other end of the rod (6〇) is provided at the end, and the power of the engine (50) is connected to the other end of the drive shaft (62). The power output portion of the engine (50) of the aforementioned cultivator is provided with a clutch (51), and the clutch (51) has a plurality of pieces The pressing piece that can be opened or closed, and the other end of the transmission shaft (62) is connected with a hollow operating plate (63) having an opening cover 3 and a clutch (5 i) Pressing the outside of the sheet, so that after the engine () is rotated at a speed, the pressing pieces will open outward and abut against the inner wall surface of the operating plate (63) to transmit power to the inside of the rod (60). The drive shaft (62) is progressively driven to drive the cultivator (7 〇) and move the soil of the field. The power system of the prior art cultivator-driven cultivator (7 〇) is directly driven by the engine via the operating plate (63). (5〇) is driven, due to the direct drive of the high-speed engine (5〇), the drive shaft (62) produces a twisting knife (70) with a certain torque to drive the tilling 3 M361863, so it is necessary to generate a design torque With the corresponding engine, the engine of the cultivator can be reached by the engine (50) of the corresponding specification type. Therefore, the engine (50) must have a certain horsepower and must consume a certain amount of oil, and because of the horsepower The relationship will have a certain volume and shape It is also costly and inconvenient in operation. [New content] The creator has a problem with the problems and disadvantages of the prior art construction described above. A drive shaft mounted on the output end of the engine and driving the tiller is designed. The deceleration structure can be used to generate a large torque driving mode by using a small horsepower engine, so as to reduce the cost of purchasing agricultural implements and to be convenient to operate. In order to achieve the aforementioned creative purpose, the present invention The technical means is to provide a deceleration structure of a cultivator, which is provided with a casing and a reduction group; the casing is a hollow body, and a hole is formed on two opposite sides of the two ends, the hole is penetrated The speed reduction unit has a first gear, a second gear and a chain, wherein the first and second gears have different numbers of teeth and outer diameters, and the two gears are respectively pivoted on the casing and at positions relative to the shaft hole, The chain sleeve is engaged with a gear, a shaft of the first gear protrudes from the center of the first gear, and a coupling hole is formed therein, and is at the center of the second gear It is formed with a bore for the fixing rod. The deceleration structure of the cultivator, wherein the hollow casing is composed of two separate first and second casings, and opposite sides of the two casings are formed as recesses to form an accommodating deceleration group The space, and the aforementioned seat holes located on opposite sides of the casing are respectively located on the first and second casings. 4 M361863, the deceleration structure of the cultivator, wherein the first housing is provided with a chamber at a position of the seat hole provided with respect to the second housing, the second housing being mounted relative to the first housing The position of the seat hole is provided with a chamber, and the shaft of the same center is provided on the two sides of the first gear, and the bearing is further provided on the shaft, and the shaft of the same center is arranged on the two sides of the second gear. The bearing is further provided with a bearing. The outer side of each bearing is disposed in the corresponding first and second housing chambers and the seat hole. The deceleration structure of the cultivator includes a coupling hole inside the shaft of the first gear, the inner wall of the coupling hole is formed with at least one axial groove, and further a driving rod (40) is provided. At least one protrusion is disposed on the outer side and in the axial position, and the protrusion and the card groove are mutually coupled. Through the application of the foregoing technical means, the deceleration structure of the present invention is implemented in the cultivator, and can be installed between the engine and the shaft of the former prior art cultivator, that is, the clutch of the engine is separated from the shaft, and then the creation is The two ends are combined with the clutch and the shaft of the engine respectively. It is extremely simple to modify and this design allows the engine to drive the drive shaft to generate a certain torque; β and the output of the cultivator can be improved by this design. Torque, if you want to get the same torque as the cultivator in the prior art, the engine horsepower used in this creation can be as small as the horsepower of the prior art cultivator, so that the horsepower can reach such a small horsepower. Reduce the cost and sales price, and reduce the amount of fuel used. [Embodiment] The deceleration structure, as shown in the first figure, is designed by the creation of the cultivator eight-eight organic shell (10) and a deceleration group (20); M361863 The casing (10) is a long type The hollow body has a receiving space formed therein, and a hole (111) (121) is formed at each of the two end positions on the different sides, and the casing is opposite to the two holes (111) (121). Each of the casings is formed with a coupling seat. The specific embodiment of the casing (10) can be designed to be composed of the first and second casings (11) (12) opposite to each other and combined with each other by a fixing member on the periphery thereof. And a recess is formed on an opposite side of the two casings (11) (12) to form the aforementioned accommodation space; 'Refer to the second and third figures, the one end of the first casing (11) is provided • The above-mentioned seat hole (111)' has a through-hole type, and a concave cavity (112) is formed on the other end of the inner side wall of the first casing (11), and the second casing is further formed. (12) a through hole (121) is provided at a position opposite to one end of the chamber (112), and the seat hole (121) and the chamber (112) are located on the same center line. The other side is provided with a concave chamber (122) at a position relative to the seat hole (111), and the chamber (122) and the seat hole (111) are located on the same center line; the deceleration group (20), The utility model has a first gear (2彳), a second gear (22>, a chain (23) and a plurality of bearings (24), and the first gear (21) respectively protrudes from a center position of the two side faces. The shaft (212) has a coupling hole (211) penetrating through the center of the shaft (211). The inner wall surface of the coupling hole (211) is formed with at least one axial groove, and is disposed outside the shaft (212). There is a bearing (24), and each bearing (24) is not disposed in the opposite chamber (112) and the seat hole (121) of the first and second housings (11) and (12), thereby designing the first gear (21) is pivoted in the casing (10); the second gear (22) protrudes from a central position of the two sides, a shaft (221) and a fixing rod (222) respectively, and the shaft (221) Bearings (24) are respectively disposed on the outer sides of the fixing rods (222), and the bearings (24) are respectively opposite to the seat holes (111) and the chambers (122) of the first and second housings (11) and (12). ), by designing M361863 to make the second The gear (22) is pivoted in the casing (10); and the chain (23) can be sleeved and engaged on the first and second gears (21) (22) as shown in the fourth figure, and is designed The number of teeth of the first and second gears (21) (22) is different, and the speed ratio of the first and second gears (21) (22) can be changed after being connected via the chain (23). The creation of the deceleration structure, the casing (1 〇 The first gear (2彳) of the end is connected to the transmission shaft (62) provided inside the rod body (60), and the specific structure is provided with a driving rod at the coupling hole (211) of the first gear (21). (4〇), the outer side of the driving rod (4〇) is provided with at least one protruding strip at an axial position, and the protruding strip is permeable to the card groove in the coupling hole (211). The body (60) is provided with a coupling piece (61), and the coupling piece (61) can be fixed at a joint seat at a position opposite to the outer side of the casing (1), and the transmission shaft (62) and the driving rod (40) are mutually connected. The fixing rod (222) of the second gear (22) at the other end of the casing (1〇) is connected to an operating plate (3〇), and a surface portion (31) is disposed on the surface of the operating plate (30). The shaft portion (31) is provided a fixing hole (32), the driving plate (3〇) is fixed by the fixing hole (32) and the fixing rod (222), and the pressing plate (3G) can be sleeved on the clutch (6)) At the outer side of the sheet (52), the joints of the engine (5〇) and the casing (1〇) are assembled and fixed to each other. Thus, when the engine (50) power is combined with the actuating disc (30) via the clutch (51) and its pressing piece (52), its power can drive the second gear (10) to be transmitted to the first window wheel via the chain (23) (2) Then, the first gear (21) further drives the transmission shaft (62) to rotate via the driving rod_, and the engine 丨5〇丨| is caused by the reduction of the first and second (21) (22) window wheel ratios. ^中&&&,, p 1 The power output from the engine (50) is output by the fascination group (20), and the output can be increased to improve the torque. [Simplified illustration] The exploded view of the installation on the machine. 7 M361863 The second picture is the exploded view of the creation. The third picture is the combined sectional view of the creation. The fourth picture is the combination diagram of the creation. The fifth picture is the prior art Fig. 6 is a sectional view of a prior art. [Explanation of main component symbols] (11) First housing (112) housing (121) housing hole (20) deceleration group (211) coupling hole (22) 2nd gear (222) fixing rod (24) bearing (31) shaft portion (40) driving rod (50) engine (52) pressing piece (61) coupling piece (63) actuating plate (71) Hand (10) housing (111) bore
(12)第一殼體 (122)容室 (21)第一齒輪 (212)軸桿 (221)軸桿 (2 3)鏈條 (30)作動盤 (32)固定孔 (41)結合孔 (51)離合器 (60)桿體 (62)傳動軸 (70)耕耘刀(12) First housing (122) chamber (21) First gear (212) Shaft (221) Shaft (23) Chain (30) Actuating disc (32) Fixing hole (41) Binding hole (51) Clutch (60) shaft (62) drive shaft (70) tiller