TWI628019B - Pneumatic device with a reverse-switching structure - Google Patents
Pneumatic device with a reverse-switching structure Download PDFInfo
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Abstract
本發明係提供一種具有正逆轉切換機構之氣動工具,其針對氣動工具中的換向結構部份加以思索突破。所述具有正逆轉切換機構之氣動工具主要包括機殼係具有設有進氣孔、排氣孔及與排氣孔連通之排氣通道;汽缸設置於機殼內;氣動部係設於汽缸內部;以及流路切換機構係設置於進、排氣孔、與氣動部之間,藉以控制切換氣動工具的進、排氣模式狀態;其中,流路切換機構包括有第一套筒及第二套筒,第一套筒係呈可轉動狀態設於第二套筒內,第一、二套筒之間分別藉由複數個氣孔相互連通,以達到控制氣動工具的進、排氣模式狀態之功效。The present invention provides a pneumatic tool having a positive reversing switching mechanism that is considered to be a breakthrough for the commutating structure portion of the pneumatic tool. The pneumatic tool having a positive reverse switching mechanism mainly comprises a casing having an exhaust passage provided with an intake hole, an exhaust hole and a communication passage with the exhaust hole; the cylinder is disposed in the casing; and the pneumatic portion is disposed inside the cylinder And a flow path switching mechanism is disposed between the intake and exhaust holes and the pneumatic portion to control the state of the intake and exhaust modes of the switching pneumatic tool; wherein the flow path switching mechanism includes the first sleeve and the second sleeve The first sleeve is rotatably disposed in the second sleeve, and the first and second sleeves are respectively communicated with each other through a plurality of air holes to achieve the effect of controlling the state of the intake and exhaust modes of the pneumatic tool. .
Description
本發明係涉及一種氣動工具,特別是指一種具有正逆轉切換機構之氣動工具的創新結構型態揭示者。The present invention relates to a pneumatic tool, and more particularly to an innovative structural type revealer of a pneumatic tool having a positive reversing switching mechanism.
按,氣動工具結構設計上,除了葉片轉子以及氣缸部位之核心結構外,換向結構亦是至關重要的其中一部份,概因換向結構係藉以切換氣動工具之進排氣流路方向,從而改變葉片轉子以及作用軸的轉向,以形成鬆或鎖的功能差異,而本發明所欲探討者,即是針對氣動工具中的換向結構部份加以思索突破。According to the design of the pneumatic tool structure, in addition to the core structure of the blade rotor and the cylinder part, the reversing structure is also a crucial part, because the commutation structure is used to switch the direction of the intake and exhaust flow of the pneumatic tool. Thus, the vane rotor and the steering of the action shaft are changed to form a functional difference of looseness or lock, and the present inventors have explored a part of the commutation structure in the pneumatic tool.
是以,針對上述習知技術所存在之問題點,如何研發出一種能夠更具理想實用性之創新構造,實有待相關業界再加以思索突破之目標及方向者;有鑑於此,發明人本於多年從事相關產品之製造開發與設計經驗,針對上述之目標,詳加設計與審慎評估後,終得一確具實用性之本發明。Therefore, in view of the problems existing in the above-mentioned conventional technologies, how to develop an innovative structure that can be more ideal and practical, and the relevant industry should further consider the goals and directions of breakthroughs; in view of this, the inventors For many years, he has been engaged in the manufacturing development and design experience of related products. After detailed design and careful evaluation of the above objectives, the invention will be practical.
本發明之主要目的,係在提供一種具有正逆轉切換機 構之氣動工具,其所欲解決之技術問題,係針對如何研發出一種更 具理想實用性之新式氣動工具為目標加以思索創新突破。The main object of the present invention is to provide a pneumatic tool having a positive reversing switching mechanism, and the technical problem to be solved is to make an innovative breakthrough in how to develop a new pneumatic tool with more ideal practicability.
本發明解決問題之技術特點,主要在於具有正逆轉切換機構之氣動工具,其包括:一機殼係具有設有一進氣孔、一排氣孔及一與排氣孔連通之排氣通道;一汽缸係呈中空殼體型態而設置於機殼內;一氣動部係呈可轉動狀態容設於汽缸內部;以及一流路切換機構係設置於進、排氣孔、與氣動部之間,藉以控制切換氣動工具的進、排氣模式狀態。The technical feature of the present invention is mainly a pneumatic tool having a positive reversing switching mechanism, comprising: a casing having an air inlet, an exhaust hole and an exhaust passage communicating with the exhaust hole; The cylinder system is disposed in the casing in a hollow casing type; a pneumatic portion is rotatably accommodated in the cylinder; and a first-class road switching mechanism is disposed between the intake and exhaust holes and the pneumatic portion. In order to control the state of the inlet and exhaust modes of the switching pneumatic tool.
其中,流路切換機構包括有一第一套筒及一第二套筒,第一、二套筒係呈中空的直筒狀結構,第二套筒係橫向固設於進氣孔頂端,第一套筒係呈可轉動狀態設於第二套筒內,第一、二套筒之間藉由固定件限制第二套筒軸向位移,並透過二密封件封閉於第一、二套筒的二側端,第一、二套筒分成一前區段、一中區段及一後區段,第一套筒的前區段二側分別設有一第一氣孔及一第二氣孔,而第一套筒具有分別跨設於中、後區段的第三氣孔及第一凹槽,第二套筒的中區段頂、底側分別設有一第二凹槽及一第四氣孔,第二套筒的前區段設有一第五氣孔,第二套筒的後區段二側分別設有一第六氣孔及一第七氣孔,且第一套筒內部形成有一第一導流空間,而第二套筒內周緣與第一凹槽之間界定有一第二導流空間。The flow path switching mechanism includes a first sleeve and a second sleeve. The first and second sleeves have a hollow straight cylindrical structure, and the second sleeve is horizontally fixed to the top of the intake hole, and the first sleeve The cylinder is rotatably disposed in the second sleeve, and the first sleeve and the second sleeve are axially displaced by the fixing member, and are closed to the first and second sleeves by the two seals. The first end and the second sleeve are divided into a front section, a middle section and a rear section. The first side of the first sleeve is respectively provided with a first air hole and a second air hole, and the first The sleeve has a third air hole and a first groove respectively disposed in the middle and rear sections, and a second groove and a fourth air hole are respectively disposed on the top and bottom sides of the middle section of the second sleeve, and the second set The front section of the cylinder is provided with a fifth air hole, and the second side of the second sleeve is respectively provided with a sixth air hole and a seventh air hole, and a first guiding space is formed inside the first sleeve, and the second A second flow guiding space is defined between the inner circumference of the sleeve and the first groove.
其中,機殼更包括相對排氣通道左、右間隔配置的第一導流通道及第二導流通道,以及一沿第二導流通道軸向延伸且與排氣通道連通之第三導流通道,第一導流通道與第五氣孔連通,第二導流通道與第六氣孔連通,第三導流通道與第七氣孔連通。The casing further includes a first guiding channel and a second guiding channel disposed at an interval from left to right with respect to the exhaust passage, and a third guiding flow extending axially along the second guiding channel and communicating with the exhaust passage The channel, the first guiding channel is in communication with the fifth air hole, the second guiding channel is in communication with the sixth air hole, and the third guiding channel is in communication with the seventh air hole.
其中,機殼後端設有一後蓋,後蓋二側設有相對稱的 一第一導流槽及一第二導流槽,第一、二導流槽係分別對應連通於 第一、二導流通道的一端。The back end of the casing is provided with a rear cover, and the two sides of the rear cover are provided with a first guiding channel and a second guiding channel. The first and second guiding channels are respectively connected to the first and second channels. One end of the flow channel.
其中,汽缸頂側設有相對稱的一第一開孔及一第二開孔,第一、二開孔、係分別對應連通於第一、二導流槽的另端。The top side of the cylinder is provided with a first opening and a second opening, and the first and second openings respectively correspond to the other ends of the first and second guiding grooves.
其中,汽缸底側設有複數個與排氣通道連通之透孔。Wherein, the bottom side of the cylinder is provided with a plurality of through holes communicating with the exhaust passage.
其中,第一套筒後區段形成有一轉鈕部,轉鈕部係能於一第一位置P及一第二位置P之間轉動地設置於機殼側端開設的導滑槽。The first sleeve rear section is formed with a rotary button portion, and the rotary button portion is rotatably disposed between the first position P and the second position P to the guide groove formed at the side end of the casing.
當轉鈕部位於第一位置P時,第四氣孔與進氣孔連通,第二導流空間分別與第四氣孔及第六氣孔連通,第五氣孔與第二氣孔連通,第一氣孔抵頂於第二套筒之內環壁而呈封閉狀態,第三氣孔與第七氣孔連通;當轉鈕部位於第二位置P時,第四氣孔係分別第三氣孔及進氣孔連通,第一氣孔與第五氣孔連通,第二氣孔抵頂於第二套筒之內環壁而呈封閉狀態,第二導流空間分別與第六氣孔及第七氣孔連通。When the button portion is located at the first position P, the fourth air hole is in communication with the air inlet hole, the second air guiding space is respectively connected with the fourth air hole and the sixth air hole, and the fifth air hole is connected with the second air hole, and the first air hole is abutted The third air hole is in a closed state with the inner wall of the second sleeve, and the third air hole is connected with the seventh air hole; when the rotary button portion is located at the second position P, the fourth air hole is respectively connected with the third air hole and the air inlet hole, first The air hole is connected to the fifth air hole, the second air hole is closed to the inner ring wall of the second sleeve, and the second air guiding space is respectively connected with the sixth air hole and the seventh air hole.
本發明之主要效果與優點,係能夠在使用者橫向操作氣動工具時,透過橫向設置設置於機殼的流路切換機構,而可輕易得知當前的風量大小、方向等使用狀態,達到方便操控之實用進步性。The main effects and advantages of the present invention are that when the user operates the pneumatic tool laterally, the flow path switching mechanism disposed in the casing is disposed laterally, and the current air volume, direction, and the like are easily known, thereby facilitating manipulation. Practical and progressive.
請參閱第1、2、3A、3B、4圖所示,係本發明具有正逆轉切換機構之氣動工具之較佳實施例,惟此等實施例僅供說明之用,在專利申請上並不受此結構之限制;所述具有正逆轉切換機構之氣動工具10包括一機殼11、一呈中空殼體型態設置於機殼11內之汽缸20、一呈可轉動狀態容設於汽缸20內部之氣動部30以及一設置於進、排氣孔12、13與氣動部30之間的流路切換機構40,並藉由該流路切換機構40以控制切換氣動工具10的進、排氣模式狀態。所述進、排氣模式係指流路切換機構40提供一種流路換向功能,藉以控制氣流流動方向而可選擇順、逆時針帶動氣動部30之效用。Referring to Figures 1, 2, 3A, 3B and 4, there is shown a preferred embodiment of the pneumatic tool of the present invention having a positive reversing switching mechanism. However, these embodiments are for illustrative purposes only and are not used in patent applications. The pneumatic tool 10 having the positive reversing switching mechanism includes a casing 11 , a cylinder 20 disposed in the casing 11 in a hollow casing shape, and a rotatably accommodated in the cylinder The internal pneumatic portion 30 and a flow path switching mechanism 40 disposed between the inlet and exhaust holes 12, 13 and the pneumatic portion 30, and the flow path switching mechanism 40 controls the switching of the pneumatic tool 10 Gas mode status. The intake and exhaust modes refer to the flow path switching mechanism 40 to provide a flow path reversing function, thereby controlling the flow direction of the air flow to select the effect of the pneumatic portion 30 in the forward and reverse directions.
機殼11係具有設有一進氣孔12、一排氣孔13、一與排氣孔13連通之排氣通道14、相對排氣通道14左、右間隔配置的第一導流通道15與第二導流通道16以及一沿第二導流通道16軸向延伸且與排氣通道14連通之第三導流通道17。機殼11後端設有一後蓋50,後蓋50二側設有相對稱的一第一導流槽51及一第二導流槽52,第一、二導流槽51、52係分別對應連通於第一、二導流通道15、16的一端。The casing 11 has an intake hole 12, an exhaust hole 13, an exhaust passage 14 communicating with the exhaust hole 13, and a first flow guiding passage 15 disposed at intervals between the left and right sides of the exhaust passage 14. The second flow guiding channel 16 and a third flow guiding channel 17 extending axially along the second guiding channel 16 and communicating with the exhaust channel 14 are provided. A rear cover 50 is disposed at a rear end of the casing 11, and a first guiding groove 51 and a second guiding groove 52 are disposed on opposite sides of the rear cover 50. The first and second guiding grooves 51 and 52 respectively correspond to each other. It is connected to one end of the first and second flow guiding channels 15, 16.
汽缸20頂側設有相對稱的一第一開孔21及一第二開孔22,第一、二開孔21、22係分別對應連通於第一、二導流槽51、52的另端;且汽缸20底側設有複數個與排氣通道14連通之透孔23。The top side of the cylinder 20 is provided with a first opening 21 and a second opening 22, and the first and second openings 21 and 22 respectively communicate with the other ends of the first and second guiding grooves 51 and 52. And a plurality of through holes 23 communicating with the exhaust passage 14 are disposed on the bottom side of the cylinder 20.
流路切換機構40包括有一第一套筒41及一第二套筒42,第一、二套筒41、42係呈中空的直筒狀結構,第二套筒42係橫向固設於進氣孔12頂端,第一套筒41係呈可轉動狀態設於第二套筒42內,第一、二套筒41、42之間藉由固定件限制第二套筒42軸向位移,並透過二密封件43封閉於第一、二套筒41、42的二側端,前述固定件係即為密封件43,在本例中,密封件43可為螺栓,當螺栓螺鎖於第一套筒41的側端時,該螺栓之螺帽內側緣係抵靠在第二套筒42側端面,而兼具有將第一套筒41可轉動地設置於第二套筒42內,且可同時封閉第一、二套筒41、42二側端的開口之作用。在其他的實施方式中,固定件亦可為一扣環,且第二套筒42也可以係僅具有一端開口而另端係封閉之結構,並於第一套筒41外周緣設有嵌槽,第二套筒42對應該嵌槽設有一固定凹槽,藉由前述扣環設於該嵌槽中,當第一套筒41套設於第二套筒42時,透過扣環卡扣於固定凹槽中,同樣可達到限制第二套筒42軸向位移之功效。再者,第一、二套筒41、42分成一前區段411、421、一中區段412、422及一後區段413、423,其中該些前、中、後區段411、421、412、422、413、423的位置係相互對應關係,第一套筒41的前區段411二側分別設有一第一氣孔414及一第二氣孔415,即在第一套筒41所開設之第一、二氣孔414、415具有相同的軸深位置,而第一套筒41具有分別跨設於中、後區段412、413的第三氣孔416及第一凹槽417,第一凹槽417係自第一套筒41外周緣凹陷且環繞於第一套筒41的中、後區段412、413;第二套筒42的中區段422頂、底側分別設有一第二凹槽424及一第四氣孔425,第二凹槽424係自第二套筒42外周緣凹陷且環繞於第二套筒42的中區段422,第二套筒42的前區段421設有一第五氣孔426,第二套筒42的後區段423二側分別設有一第六氣孔427及一第七氣孔428,即在第二套筒42所開設之第六、七氣孔427、428具有相同的軸深位置,且第一套筒41內部形成有一第一導流空間418,而第二套筒42內周緣與第一凹槽417之間界定有一第二導流空間429。其中,第一導流通道15與第五氣孔426連通,第二導流通道16與第六氣孔427連通,第三導流通道17與第七氣孔428連通。此外,第一套筒41後區段413形成有一轉鈕部44,轉鈕部44係能於一第一位置P1及一第二位置P2之間轉動地設置於機殼11側端開設的導滑槽18。The flow path switching mechanism 40 includes a first sleeve 41 and a second sleeve 42. The first and second sleeves 41 and 42 have a hollow straight cylindrical structure, and the second sleeve 42 is laterally fixed to the air inlet. 12, the first sleeve 41 is rotatably disposed in the second sleeve 42, and the first sleeve and the second sleeve 41, 42 are axially displaced by the fixing member, and the second sleeve 42 is axially displaced. The sealing member 43 is closed at the two side ends of the first and second sleeves 41, 42. The fixing member is a sealing member 43, in this example, the sealing member 43 can be a bolt, and the bolt is screwed to the first sleeve. At the side end of the 41, the inner edge of the nut of the bolt abuts against the end surface of the second sleeve 42 and has the first sleeve 41 rotatably disposed in the second sleeve 42, and simultaneously The openings of the two side ends of the first and second sleeves 41, 42 are closed. In other embodiments, the fixing member may also be a buckle, and the second sleeve 42 may have a structure with only one end open and the other end closed, and a groove is provided on the outer circumference of the first sleeve 41. The second sleeve 42 is provided with a fixing groove corresponding to the slot, and the buckle is disposed in the slot. When the first sleeve 41 is sleeved on the second sleeve 42, the buckle is buckled through the buckle. In the fixing groove, the effect of limiting the axial displacement of the second sleeve 42 can also be achieved. Furthermore, the first and second sleeves 41, 42 are divided into a front section 411, 421, a middle section 412, 422 and a rear section 413, 423, wherein the front, middle and rear sections 411, 421 The positions of 412, 422, 413, and 423 are corresponding to each other. The first side of the front section 411 of the first sleeve 41 is respectively provided with a first air hole 414 and a second air hole 415, that is, the first sleeve 41 is opened. The first and second air holes 414, 415 have the same axial depth position, and the first sleeve 41 has a third air hole 416 and a first groove 417 respectively spanning the middle and rear sections 412, 413, the first concave The groove 417 is recessed from the outer circumference of the first sleeve 41 and surrounds the middle and rear sections 412, 413 of the first sleeve 41; the top and bottom sides of the middle section 422 of the second sleeve 42 are respectively provided with a second recess The groove 424 and a fourth air hole 425 are recessed from the outer circumference of the second sleeve 42 and surround the middle portion 422 of the second sleeve 42. The front portion 421 of the second sleeve 42 is provided with a groove 424. A sixth air hole 426 and a sixth air hole 427 and a seventh air hole 428 are respectively disposed on two sides of the rear portion 423 of the second sleeve 42. The sixth and seventh air holes 427 and 428 are provided in the second sleeve 42. phase A deep position of the shaft, and the interior of the first sleeve 41 is formed with a first flow space 418, and a second guide defining a space 429 between the inner peripheral edge 41742 of the second sleeve with the first groove. The first flow guiding channel 15 is in communication with the fifth air hole 426, the second air guiding channel 16 is in communication with the sixth air hole 427, and the third air guiding channel 17 is in communication with the seventh air hole 428. In addition, the rear portion 413 of the first sleeve 41 is formed with a rotary button portion 44, and the rotary button portion 44 is rotatably disposed between the first position P1 and the second position P2 at a side end of the casing 11 Chute 18.
氣動工具10更包括一開關60,用以控制氣動工具10的氣壓流路啟閉狀態,如第2、4圖所示,在本例中,開關60包括一扳機61、一連接於扳機61後端之推桿62、一被該推桿62貫穿之控制閥63以及一進氣閥64,當使用者按壓該扳機61時,該推桿62會受該扳機61帶動而推抵該進氣閥64,使得該進氣孔12呈開啟狀態。The pneumatic tool 10 further includes a switch 60 for controlling the pneumatic flow path opening and closing state of the pneumatic tool 10, as shown in FIGS. 2 and 4, in this example, the switch 60 includes a trigger 61 and a connection to the trigger 61. The push rod 62 of the end, a control valve 63 penetrated by the push rod 62, and an intake valve 64, when the user presses the trigger 61, the push rod 62 is driven by the trigger 61 to push the intake valve 64, the air inlet 12 is opened.
藉由上述結構組成設計,茲就本發明之使用作動情形說明如下:本發明所述流路切換機構40其流路換向功能的實現係通過操作該流路切換機構40之轉鈕部44來達成;如第1、6、7、8、9圖所示,當轉鈕部44位於第一位置P1時,第四氣孔425與進氣孔12連通,第二導流空間429分別與第四氣孔425及第六氣孔427連通,第五氣孔426與第二氣孔415連通,第一氣孔414抵頂於第二套筒42之內環壁而呈封閉狀態,第三氣孔416與第七氣孔428連通,此狀態下,自進氣孔12導入的氣壓通過第四氣孔425後,會經過第二導流空間429,然後再通過第六氣孔427而導入第二導流通道16及第二導流槽52,並沿著第二導流槽52所開設的通道從而匯入第二開孔22中,進而導入汽缸20內部並帶動該氣動部30順時針旋轉。排氣部份的流路則如第8、9圖中的箭號標示,首先,由汽缸20排出的一部份氣體係藉由透孔23引入後流經排氣通道14一端,然後流經第二套筒42之第二凹槽424,接著由排氣通道14另端所連通的排氣孔13排出;再者,汽缸20中另一部份尚未排出的氣體則持續帶動該氣動部30旋轉而流入汽缸20之第一開孔21內,再通過第一導流槽51所開設的通道導入第一導流通道15,然後流經第五氣孔426及第二氣孔415進入第一導流空間418,接著由第一導流空間418另端所連通的第三氣孔416及第七氣孔428排至第三導流通道17,最後從第三導流通道17另端所連通的排氣孔13排出。With the above-described structural composition design, the operation of the present invention will be described as follows: The flow path switching mechanism 40 of the present invention realizes the flow path reversing function by operating the rotary knob portion 44 of the flow path switching mechanism 40. As shown in the figures 1, 6, 7, 8, and 9, when the knob portion 44 is at the first position P1, the fourth air hole 425 is in communication with the air inlet hole 12, and the second air guiding space 429 is respectively and fourth. The air hole 425 and the sixth air hole 427 are in communication, and the fifth air hole 426 is in communication with the second air hole 415. The first air hole 414 is in a closed state against the inner ring wall of the second sleeve 42. The third air hole 416 and the seventh air hole 428 are closed. In this state, the air pressure introduced from the air inlet hole 12 passes through the fourth air hole 425, passes through the second air guiding space 429, and then passes through the sixth air hole 427 to be introduced into the second air guiding channel 16 and the second air guiding flow. The groove 52 and the passage opened along the second flow guiding groove 52 are introduced into the second opening 22, and then introduced into the cylinder 20 to drive the pneumatic portion 30 to rotate clockwise. The flow path of the exhaust portion is indicated by the arrows in Figs. 8 and 9. First, a part of the gas system discharged from the cylinder 20 is introduced through the through hole 23 and flows through one end of the exhaust passage 14, and then flows through The second recess 424 of the second sleeve 42 is then discharged by the exhaust hole 13 communicated at the other end of the exhaust passage 14; further, the undischarged gas in the other portion of the cylinder 20 continues to drive the pneumatic portion 30. Rotating into the first opening 21 of the cylinder 20, and then introducing the first guiding channel 15 through the channel opened by the first guiding groove 51, and then flowing through the fifth air hole 426 and the second air hole 415 into the first guiding flow. The space 418 is then discharged from the third air hole 416 and the seventh air hole 428 communicated at the other end of the first flow guiding space 418 to the third air guiding channel 17, and finally the exhaust hole communicated from the other end of the third air guiding channel 17 13 discharge.
如第10A、10B、11、12圖所示,當轉鈕部44位於第 二位置P2時,第四氣孔425係分別與第三氣孔416及進氣孔12連通,第一氣孔414與第五氣孔426連通,第二氣孔415抵頂於第二套筒42之內環壁而呈封閉狀態,第二導流空間429分別與第六氣孔427及第七氣孔428連通。此狀態下,自進氣孔12導入的氣壓通過第四氣孔425後,會經過第三氣孔416而流入第一導流空間418,然後再通過第一導流空間418另端連通之第一氣孔414及第五氣孔426而導入第一導流通道15及第一導流槽51,並沿著第一導流槽51所開設的通道從而匯入第一開孔21中,進而導入汽缸20內部並帶動該氣動部30逆時針旋轉。而排氣部份的流路則同樣地由汽缸20排出的一部份氣體藉由透孔23引入後流經排氣通道14一端,然後流經第二套筒42之第二凹槽424,接著由排氣通道14另端所連通的排氣孔13排出;此外,汽缸20中另一部份尚未排出的氣體則持續帶動該氣動部30旋轉而流入汽缸20之第二開孔22內,再通過第二導流槽52所開設的通道從而導入第二導流通道16,然後流經第六氣孔427進入第二導流空間429,接著由第二導流空間429另端所連通的第七氣孔428排至第三導流通道17,最後從第三導流通道17另端所連通的排氣孔13排出。As shown in FIGS. 10A, 10B, 11, and 12, when the knob portion 44 is at the second position P2, the fourth air hole 425 is in communication with the third air hole 416 and the air inlet hole 12, respectively, the first air hole 414 and the fifth air hole 414 The air holes 426 are in communication, and the second air holes 415 are closed to the inner ring wall of the second sleeve 42 to be closed. The second air guiding space 429 is in communication with the sixth air hole 427 and the seventh air hole 428, respectively. In this state, after the air pressure introduced from the air inlet hole 12 passes through the fourth air hole 425, it flows into the first air guiding space 418 through the third air hole 416, and then passes through the first air guiding hole 418 and communicates with the first air hole through the first air guiding space 418. The first air guiding channel 15 and the first air guiding channel 51 are introduced into the first air guiding channel 15 and the first air guiding channel 51, and are introduced into the first opening 21 along the channel opened by the first guiding channel 51, thereby being introduced into the interior of the cylinder 20. The pneumatic portion 30 is driven to rotate counterclockwise. The flow path of the exhaust portion is similarly introduced by the cylinder 20 through a through hole 23 and then flows through one end of the exhaust passage 14 and then flows through the second recess 424 of the second sleeve 42. Then, the exhaust hole 13 communicated at the other end of the exhaust passage 14 is discharged; in addition, another portion of the cylinder 20 that has not been exhausted continues to drive the pneumatic portion 30 to rotate into the second opening 22 of the cylinder 20, Then, the passage formed by the second guide groove 52 is introduced into the second flow guiding passage 16, and then flows through the sixth air hole 427 into the second flow guiding space 429, and then connected by the other end of the second guiding flow space 429. The seven air holes 428 are discharged to the third flow guiding passage 17, and finally discharged from the exhaust holes 13 communicated at the other end of the third flow guiding passage 17.
本發明之優點: 本發明所揭「具有正逆轉切換機構之氣動工具」主要藉由所述流路切換機構、第一、二、三導流通道及後蓋等創新獨特結構型態與技術特徵,使本發明對照[先前技術]所提習知結構而言,當使用者橫向操作氣動工具時,透過橫向設置設置於機殼的流路切換機構,而可輕易得知當前的風量大小、方向等使用狀態,達到方便操控之實用進步性。Advantages of the Invention: The "pneumatic tool with positive reversing switching mechanism" disclosed by the present invention mainly adopts the innovative unique structural type and technical features of the flow path switching mechanism, the first, second and third flow guiding channels and the back cover. According to the conventional structure proposed in the prior art, when the user operates the pneumatic tool laterally, the current air flow switching mechanism disposed in the casing can be easily disposed, and the current air volume and direction can be easily known. Waiting for the use state, to achieve practical and practical control.
10‧‧‧氣動工具10‧‧‧ pneumatic tools
11‧‧‧機殼11‧‧‧Shell
12‧‧‧進氣孔12‧‧‧Air intake
13‧‧‧排氣孔13‧‧‧ venting holes
14‧‧‧排氣通道14‧‧‧Exhaust passage
15‧‧‧第一導流通道15‧‧‧First diversion channel
16‧‧‧第二導流通道16‧‧‧Second diversion channel
17‧‧‧第三導流通道17‧‧‧ Third flow channel
18‧‧‧導滑槽18‧‧‧Guide chute
20‧‧‧汽缸20‧‧‧ cylinder
21‧‧‧第一開孔21‧‧‧First opening
22‧‧‧第二開孔22‧‧‧Second opening
23‧‧‧透孔23‧‧‧through hole
30‧‧‧氣動部30‧‧‧Pneumatic Department
40‧‧‧流路切換機構40‧‧‧Flow path switching mechanism
41‧‧‧第一套筒41‧‧‧First sleeve
411、421‧‧‧前區段411, 421‧‧‧ front section
412、422‧‧‧中區段Section 412, 422‧‧
413、423‧‧‧後區段413, 423‧‧‧After section
414‧‧‧第一氣孔414‧‧‧First vent
415‧‧‧第二氣孔415‧‧‧second vent
416‧‧‧第三氣孔416‧‧‧ third air hole
417‧‧‧第一凹槽417‧‧‧First groove
418‧‧‧第一導流空間418‧‧‧First Diversion Space
42‧‧‧第二套筒42‧‧‧Second sleeve
424‧‧‧第二凹槽424‧‧‧second groove
425‧‧‧第四氣孔425‧‧‧ fourth vent
426‧‧‧第五氣孔426‧‧‧ fifth vent
427‧‧‧第六氣孔427‧‧‧ sixth air hole
428‧‧‧第七氣孔428‧‧‧ seventh vent
429‧‧‧第二導流空間429‧‧‧Second diversion space
43‧‧‧密封件43‧‧‧Seal
44‧‧‧轉鈕部44‧‧‧ Turn button department
50‧‧‧後蓋50‧‧‧ Back cover
51‧‧‧第一導流槽51‧‧‧First guide channel
52‧‧‧第二導流槽52‧‧‧Second guide channel
60‧‧‧開關60‧‧‧ switch
61‧‧‧扳機61‧‧‧ trigger
62‧‧‧推桿62‧‧‧Put
63‧‧‧控制閥63‧‧‧Control valve
64‧‧‧進氣閥64‧‧‧Intake valve
P1‧‧‧第一位置P1‧‧‧ first position
P2‧‧‧第二位置P2‧‧‧ second position
第1圖係本發明具有正逆轉切換機構之氣動工具的較佳實施例之組合立體圖,其表示使用者橫向操作氣動工具之態樣。 第2圖為承第1圖之分解立體圖。 第3A圖為本發明之第一套筒的立體圖。 第3B圖為本發明之第二套筒的立體圖。 第4圖為承第1圖之側視剖視圖,其表示轉鈕部位於第一位置。 第5圖為承第4圖之作動圖一,其表示氣動工具的氣壓流路呈開啟狀態。 第6圖為承第5圖之俯視剖視圖。 第7圖為承第5圖之後視剖視圖。 第8圖為承第5圖之作動圖二,其表示氣流經由排氣孔及排氣通道導流至排氣孔。 第9圖為承第8圖之後視剖視圖,其表示氣流經由第二氣孔及第一導流空間導流至第三氣孔。 第10A圖為承第1圖之側視圖,其表示轉鈕部由第一位置位旋轉至第二位置。 第10B圖為承第1圖之側視剖視圖。 第11圖為承第10圖之俯視剖視圖。 第12圖為承第10圖之後視剖視圖。BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view, in combination, of a preferred embodiment of a pneumatic tool having a positive reversing switching mechanism of the present invention, showing the manner in which the user operates the pneumatic tool laterally. Fig. 2 is an exploded perspective view of Fig. 1. Figure 3A is a perspective view of the first sleeve of the present invention. Figure 3B is a perspective view of the second sleeve of the present invention. Figure 4 is a side cross-sectional view of Figure 1 showing the knob portion in a first position. Figure 5 is a diagram 1 of Figure 4, which shows that the pneumatic flow path of the pneumatic tool is open. Fig. 6 is a plan sectional view showing the fifth drawing. Figure 7 is a cross-sectional view taken after the fifth drawing. Fig. 8 is a second diagram of the operation of Fig. 5, which shows that the airflow is conducted to the exhaust hole via the exhaust hole and the exhaust passage. Figure 9 is a rear cross-sectional view of Figure 8, showing the flow of air through the second air vent and the first flow guiding space to the third air vent. Fig. 10A is a side view of Fig. 1 showing the rotary knob portion rotated from the first position to the second position. Figure 10B is a side cross-sectional view of Figure 1. Figure 11 is a top cross-sectional view of Figure 10. Figure 12 is a cross-sectional view taken from the back of Figure 10.
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WO2001054865A2 (en) * | 2000-01-27 | 2001-08-02 | S.P. Air Kabusiki Kaisha | Pneumatic rotary tool |
EP1129827A2 (en) * | 2000-02-29 | 2001-09-05 | S.P. Air Kabusiki Kaisha | Pneumatic rotary tool |
WO2002020221A2 (en) * | 2000-09-08 | 2002-03-14 | S. P. Air Kabusiki Kaisha | Pneumatic rotary tool |
TWM261854U (en) * | 2004-07-30 | 2005-04-11 | Tai Twun Entpr Co Ltd | Card connector |
TW200642807A (en) * | 2005-06-15 | 2006-12-16 | Basso Ind Corp | Pushing structure for forward or backward rotating valve of pneumatic tool |
TWI266679B (en) * | 2005-06-29 | 2006-11-21 | Basso Ind Corp | Improved mechanism of switching position for user by right or left hand about CW-CCW valve in a pneumatic tool |
TWM284504U (en) * | 2005-08-18 | 2006-01-01 | Sunmatch Ind Co Ltd | Rotation controlling device of pneumatic tool |
TWM287458U (en) * | 2005-10-28 | 2006-02-11 | Hon Hai Prec Ind Co Ltd | Holding machine of a portable computer |
US20120024557A1 (en) * | 2009-03-25 | 2012-02-02 | Atlas Copco Tools Ab | Pneumatic power wrench with an exhaust air outlet unit |
TWI413580B (en) * | 2012-01-19 | 2013-11-01 | Basso Ind Corp | Switching device of reversing valve for pneumatic tools |
WO2014072174A1 (en) * | 2012-11-06 | 2014-05-15 | Atlas Copco Industrial Technique Ab | Pneumatic impulse wrench with an automatic motor power control valve |
TWI477362B (en) * | 2014-04-28 | 2015-03-21 | Tranmax Machinery Co Ltd | A single tool is used to switch the pneumatic tool that reverses and adjusts the speed |
TWI584921B (en) * | 2016-06-01 | 2017-06-01 | Kuani Gear Co Ltd | Pneumatic tools for steering and transposition use |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI662206B (en) * | 2018-07-17 | 2019-06-11 | 冠億齒輪股份有限公司 | Air tool with air guiding structure |
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