TWM605527U - Pneumatic motor with internal flow guide hole - Google Patents
Pneumatic motor with internal flow guide hole Download PDFInfo
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- TWM605527U TWM605527U TW109208172U TW109208172U TWM605527U TW M605527 U TWM605527 U TW M605527U TW 109208172 U TW109208172 U TW 109208172U TW 109208172 U TW109208172 U TW 109208172U TW M605527 U TWM605527 U TW M605527U
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Abstract
一種具內導流孔之氣動馬達,其係具有一氣缸,且該氣缸內係容置有一轉子,同時該氣缸之二側更分別蓋設有一封蓋,該等封蓋係對應該轉子之二端各設有一軸承,其中,該等封蓋係穿設有至少一連通該軸承與該氣缸之導流孔,俾使外部之驅動氣體快速通過該氣缸時,可利用文氏管效應將該等軸承處之氣體經由該導流孔吸回該氣缸,藉此,不僅能夠確保氣體不會經由該等軸承向外流出,而可提升該等軸承之耐用度,且因為該等導流孔係設置於該等封蓋之內部,所以可以達到防水防塵之效果,使該氣動馬達可應用在潮濕或重汙環境。A pneumatic motor with inner guide holes, which has a cylinder, and a rotor is accommodated in the cylinder, and at the same time, two sides of the cylinder are respectively covered with a cover, the cover corresponding to the two rotors Each end is provided with a bearing, wherein the covers are provided with at least one orifice connecting the bearing and the cylinder, so that when the external driving gas quickly passes through the cylinder, the Venturi effect can be used The gas at the bearing is sucked back into the cylinder through the orifice, which not only ensures that the gas will not flow out through the bearings, but also improves the durability of the bearings, and because the orifices are provided In the inside of the covers, it can achieve the effect of waterproof and dustproof, so that the air motor can be used in humid or heavily polluted environments.
Description
本創作係與一種氣動馬達有關,特別是指一種用於氣動工具之具內導流孔之氣動馬達。This creation is related to a kind of air motor, especially a kind of air motor with inner guide hole for air tools.
一般的氣動工具,例如砂光機、刻磨機等,皆會裝設有一氣動馬達,其中,該氣動馬達主要係具有一氣缸,且該氣缸係穿設有一氣室,該氣室內係容置有一轉子,該轉子係具有一轉軸,該轉軸係套設有一葉輪,同時該氣缸之二側對應該氣室之開口處更分別蓋設有一封蓋,該等封蓋係對應該轉軸各設有一軸孔,並圍繞該軸孔設有一軸承座,可供嵌合一軸承,俾使該轉軸之二端係可分別穿過該軸孔連接對應之軸承,而讓該轉子可於該氣室內轉動,藉此,當外部之驅動氣體快速通過該氣缸時,係可帶動該轉子轉動,以連動該氣動工作進行作業。General pneumatic tools, such as sanding machines, engraving machines, etc., are equipped with a pneumatic motor, where the pneumatic motor mainly has a cylinder, and the cylinder is penetrated with an air chamber, and the air chamber is accommodated There is a rotor, the rotor has a rotating shaft, the rotating shaft is sleeved with an impeller, and the two sides of the cylinder are respectively covered with a cover corresponding to the opening of the air chamber, and the cover is provided with a corresponding rotating shaft. A shaft hole is provided around the shaft hole with a bearing seat for inserting a bearing, so that the two ends of the rotating shaft can pass through the shaft hole to connect to the corresponding bearings, so that the rotor can rotate in the air chamber As a result, when the external driving gas quickly passes through the cylinder, the rotor can be driven to rotate to link the pneumatic work for operation.
然而該習知氣動馬達作動時,該驅動氣體不可避免的會經由該等軸孔與該轉軸間之間隙侵入該軸承座,並進一步穿過該軸承向外逃出,而會帶走該等軸承內部的潤滑油,大幅降低該等軸承之耐用度,有鑑於此,現有氣動馬達會於該軸承座之外側穿設一穿孔,以導引氣體改由該穿孔流出,但這樣的方式卻容易讓外部的水氣或灰塵由該穿孔侵入該氣動馬達,導致該氣動馬達之損壞, 是以,本案創作人在觀察到上述缺點後,認為前述氣動馬達實有改進之必要,而遂有本創作之產生。However, when the conventional air motor is operating, the driving gas will inevitably invade the bearing housing through the gap between the shaft holes and the rotating shaft, and further pass through the bearings to escape outwards, and take away the bearings. The internal lubricating oil greatly reduces the durability of the bearings. In view of this, the existing air motor will have a perforation on the outer side of the bearing housing to guide the gas to flow out through the perforation, but this method is easy to make External moisture or dust invaded the air motor from the perforation, causing damage to the air motor. Therefore, the author of this case, after observing the above shortcomings, believed that the aforementioned air motor was really necessary for improvement. produce.
本創作之目的係在提供一種具內導流孔之氣動馬達,其係可將侵入軸承處之氣體導引回氣缸,以提升軸承之耐用度,並具防水防塵能力而能應用於潮溼及重汙環境。The purpose of this creation is to provide a pneumatic motor with internal diversion holes, which can guide the gas invaded into the bearing back to the cylinder to improve the durability of the bearing, and is waterproof and dustproof, which can be used in wet and heavy applications. Dirty environment.
為達上述目的,本創作所提供之具內導流孔之氣動馬達,其包含有一氣缸,且該氣缸係穿設有一氣室,該氣室內係容置有一轉子,該轉子係具有一轉軸,同時該氣缸之二側對應該氣室之開口處更分別蓋設有一封蓋,其中,該等封蓋係具有一底板,該底板係穿設有一連通該氣室之軸孔,並圍繞該軸孔環設有一環牆,該環牆與該底板間係圍成有一凹槽,該凹槽係容置一軸承,俾使該轉軸之二端係可分別穿過該等軸孔並連接於對應之軸承,而讓該轉子可於該氣室內轉動,此外該等封蓋係於該凹槽之底面相鄰該軸孔處係設有一淺環槽,且該淺環槽內係穿設有至少一連通該氣室之導流孔。In order to achieve the above-mentioned purpose, the air motor with inner guide hole provided by this creation includes a cylinder, and the cylinder is penetrated with an air chamber, the air chamber contains a rotor, and the rotor has a rotating shaft. At the same time, the two sides of the cylinder are respectively covered with a cover corresponding to the opening of the air chamber, wherein the cover has a bottom plate, and the bottom plate is penetrated with a shaft hole connecting the air chamber and surrounds the The shaft hole ring is provided with a ring wall. A groove is formed between the ring wall and the bottom plate. The groove contains a bearing so that the two ends of the shaft can pass through the shaft holes and be connected to The corresponding bearing allows the rotor to rotate in the gas chamber. In addition, the covers are provided with a shallow ring groove on the bottom surface of the groove adjacent to the shaft hole, and the shallow ring groove is penetrated At least one diversion hole connected to the air chamber.
本創作所提供之具內導流孔之氣動馬達,當外部之驅動氣體快速地通過該氣室並推動該轉子轉動時,此時該等導流孔處將會產生文氏管效應,而讓由該等軸孔與該轉軸間之間隙侵入之該驅動氣體,會經由該淺環槽與該導流孔被吸回該氣室,藉此,不僅能夠確保該驅動氣體不會穿過該等軸承向外流出,而可提升該等軸承之耐用度,且因為該等導流孔係設置於該等封蓋之內部,所以可以達到防水防塵之效果,使該氣動馬達可應用在潮濕或重汙環境。For the air motor with inner diversion holes provided by this creation, when the external driving gas quickly passes through the air chamber and pushes the rotor to rotate, the venturi effect will be generated at the diversion holes, and The driving gas invaded from the gap between the shaft holes and the rotating shaft will be sucked back into the gas chamber through the shallow ring groove and the guide hole, thereby not only ensuring that the driving gas will not pass through the The bearings flow out to the outside, which can improve the durability of the bearings, and because the diversion holes are arranged inside the covers, it can achieve the effect of waterproof and dustproof, so that the air motor can be used in wet or heavy Dirty environment.
請參閱第1圖、第2圖以及第3圖所示,係本創作之較佳實施例之立體圖、分解圖以及剖視圖,其係揭露有一種具內導流孔之氣動馬達100,該氣動馬達100係包含有:Please refer to Figure 1, Figure 2, and Figure 3, which are the perspective, exploded and cross-sectional views of the preferred embodiment of the present creation, which disclose a
一氣缸10,其係具有一貫穿二側之氣室11,同時該氣缸10之周側更穿設有至少一連通該氣室11之進氣孔12,以及至少一連通該氣室11之排氣孔13。A
一轉子20,其係可轉動地容置於該氣室11內,其中,該轉子20係具有一轉軸21,該轉軸21係套設有一葉輪22,該葉輪22之周側係間格設置有複數個葉片23。A
二封蓋30,係分別蓋設於該氣缸10之二側對應該氣室11之開口處,其中,請再同時參閱第4圖所示,每一個封蓋30皆具有一底板31,且該底板31係穿設有一連通該氣室11之軸孔32,同時該底板31之外側更圍繞該軸孔32環設有一環牆33,並於該環牆33與該底板31間係圍成有一凹槽34,該凹槽34之底面相鄰該軸孔32處係設有一淺環槽35,且該淺環槽35內係穿設有至少一連通該氣室11之導流孔36,於本實施例中,該導流孔36係平行該軸孔32之軸向設置,且位於鄰近該排氣孔12處。Two
二軸承40,係分別嵌設於該等封蓋30之凹槽34內,可供該轉軸21之二端分別穿過該等封蓋30之軸孔32後連接於對應之軸承40,而讓該轉子20可於該氣室11內轉動。The two
為供進一步瞭解本創作構造特徵、運用技術手段及所預期達成之功效,茲將本創作使用方式加以敘述,相信當可由此而對本創作有更深入且具體之瞭解,如下所述:In order to further understand the structural characteristics of this creation, the use of technical means and the expected effects, I hereby describe the usage of this creation. I believe that we can have a deeper and specific understanding of this creation from this, as follows:
請再參閱第5圖所示,係本創作之較佳實施例之使用示意圖,該氣動馬達100係可裝設於一氣動工具200,例如砂光機、刻磨機等,以砂光機為例,其主要係具有一殼體201,該殼體201內係設有一容室202,可供裝設該氣動馬達100,另該殼體201係設有與該容室202相連通之氣體流道203,又該氣動工具200更包含有一偏心塊204,該偏心塊204之一端係連接於該轉軸21,而該偏心塊204之另端則連接有一砂光輪205,藉此,當使用者啟動該氣動工具200時,由外部供應之驅動氣體會經由該氣體流道203穿過該進氣孔12進入該氣室11,並沿該氣室11流動以推動該葉輪22帶動該轉軸21轉動,然後再由該排氣孔13排出該氣室11,進而可透過該轉子20帶動該偏心塊204與該砂光輪205轉動,達到砂光作業之目的。Please refer to Figure 5 again, which is a schematic diagram of the use of the preferred embodiment of this creation. The
其中,請再同時參閱第6圖以及第7圖所示,係本創作之較佳實施例之動作示意圖,由於該等封蓋30於該淺環槽35內係穿設有該連通該氣室11之導流孔36,因此當該驅動氣體快速通過該氣室11時,將會因為流速的差異,於該等導流孔36處產生文氏管效應,而讓由該等軸孔32與該轉軸21間之間隙侵入之該驅動氣體,會經由該淺環槽35與該導流孔36被吸回該氣室11,藉此,不僅能夠確保該驅動氣體不會穿過該等軸承40向外流出,而可提升該等軸承40之耐用度,且因為該等導流孔36係設置於該等封蓋30之內部,所以可以達到防水防塵之效果,使該氣動馬達100可應用在潮濕或重汙環境。Among them, please refer to Fig. 6 and Fig. 7 at the same time, which are schematic diagrams of the operation of the preferred embodiment of the present creation, because the
請再參閱第8圖所示,係本創作之另一較佳實施例之剖視圖,該氣動馬達100與前述較佳實施例不同之處係在於,該導流孔36係朝該排氣孔13方向由上而下逐漸傾斜設置形成一斜孔,藉此,當該驅動氣體快速通過該氣室11時,可以更為順暢的將侵入之該驅動氣體吸回該氣室11。Please refer to Figure 8 again, which is a cross-sectional view of another preferred embodiment of the present invention. The difference between the
茲,再將本創作之特徵及其可達成之預期功效陳述如下:Hereby, the characteristics of this creation and its expected effects are stated as follows:
本創作之具內導流孔之氣動馬達100,當外部之驅動氣體快速地通過該氣室11並推動該轉子20轉動時,此時該等導流孔36處將會產生文氏管效應,而讓由該等軸孔32與該轉軸21間之間隙侵入之該驅動氣體,會經由該淺環槽35與該導流孔36被吸回該氣室11,藉此,不僅能夠確保該驅動氣體不會穿過該等軸承40向外流出,而可提升該等軸承40之耐用度,且因為該等導流孔36係設置於該等封蓋30之內部,所以可以達到防水防塵之效果,使該氣動馬達100可應用在潮濕或重汙環境。In the
綜上所述,本創作在同類產品中實有其極佳之進步實用性,同時遍查國內外關於此類結構之技術資料,文獻中亦未發現有相同的構造存在在先,是以,本創作實已具備新型專利要件,爰依法提出申請。To sum up, this creation has its excellent advanced practicality among similar products. At the same time, we have checked the domestic and foreign technical data about this kind of structure, and the same structure has not been found in the literature. Therefore, This creation actually has the requirements for a new patent, and Yan has filed an application in accordance with the law.
惟,以上所述者,僅係本創作之一較佳可行實施例而已,故舉凡應用本創作說明書及申請專利範圍所為之等效結構變化,理應包含在本創作之專利範圍內。However, the above is only one of the preferred and feasible embodiments of this creation, so any equivalent structural changes made in the application of this creation specification and the scope of patent application should be included in the patent scope of this creation.
100:氣動馬達 10:氣缸 11:氣室 12:進氣孔 13:排氣孔 20:轉子 21:轉軸 22:葉輪 23:葉片 30:封蓋 31:底板 32:軸孔 33:環牆 34:凹槽 35:淺環槽 36:導流孔 40:軸承 200:氣動工具 201:殼體 202:容室 203:氣體流道 204:偏心塊 205:砂光輪100: Air motor 10: Cylinder 11: Air chamber 12: Air intake 13: Vent 20: Rotor 21: shaft 22: Impeller 23: blade 30: capping 31: bottom plate 32: Shaft hole 33: Ring Wall 34: Groove 35: Shallow ring groove 36: diversion hole 40: Bearing 200: pneumatic tools 201: Shell 202: Room 203: Gas flow channel 204: eccentric block 205: Sanding Wheel
第1圖係本創作之較佳實施例之立體圖。 第2圖係本創作之較佳實施例之分解圖。 第3圖係本創作之較佳實施例之剖視圖。 第4圖係本創作之較佳實施例之封蓋之局部剖視圖。 第5圖係本創作之較佳實施例之使用示意圖。 第6圖係本創作之較佳實施例之動作示意圖。 第7圖係本創作之較佳實施例之動作示意圖。 第8圖係本創作之另一較佳實施例之剖視圖。 Figure 1 is a perspective view of the preferred embodiment of this creation. Figure 2 is an exploded view of the preferred embodiment of this creation. Figure 3 is a cross-sectional view of the preferred embodiment of this creation. Figure 4 is a partial cross-sectional view of the cover of the preferred embodiment of this creation. Figure 5 is a schematic diagram of the use of the preferred embodiment of this creation. Figure 6 is a schematic diagram of the action of the preferred embodiment of this creation. Figure 7 is a schematic diagram of the action of the preferred embodiment of this creation. Figure 8 is a cross-sectional view of another preferred embodiment of this creation.
100:氣動馬達 100: Air motor
10:氣缸 10: Cylinder
11:氣室 11: Air chamber
12:進氣孔 12: Air intake
13:排氣孔 13: Vent
20:轉子 20: Rotor
21:轉軸 21: shaft
22:葉輪 22: Impeller
30:封蓋 30: capping
31:底板 31: bottom plate
32:軸孔 32: Shaft hole
33:環牆 33: Ring Wall
34:凹槽 34: Groove
35:淺環槽 35: Shallow ring groove
36:導流孔 36: diversion hole
40:軸承 40: Bearing
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TW109208172U TWM605527U (en) | 2020-06-29 | 2020-06-29 | Pneumatic motor with internal flow guide hole |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114088379A (en) * | 2022-01-20 | 2022-02-25 | 浙江辉旺机械科技股份有限公司 | Multi-station inclined hole machining leakage detection device |
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2020
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114088379A (en) * | 2022-01-20 | 2022-02-25 | 浙江辉旺机械科技股份有限公司 | Multi-station inclined hole machining leakage detection device |
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