TWI396607B - Pneumatic tool intake direction switching device - Google Patents
Pneumatic tool intake direction switching device Download PDFInfo
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- TWI396607B TWI396607B TW100108719A TW100108719A TWI396607B TW I396607 B TWI396607 B TW I396607B TW 100108719 A TW100108719 A TW 100108719A TW 100108719 A TW100108719 A TW 100108719A TW I396607 B TWI396607 B TW I396607B
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Description
本發明係關於一種切換裝置,尤指一種氣動工具進氣方向切換裝置者。The present invention relates to a switching device, and more particularly to a pneumatic tool intake direction switching device.
按,既有氣動工具主要係透過氣體驅動方式,對於螺栓或螺帽等元件進行鬆退或是緊固動作,使用上相當方便且快速,因此,既有氣動工具的應用甚廣,其中如美國第5,199,460號「Push Button Reverse Valve for Power Tool」專利案,該氣動工具的握把內係設置有一與該氣缸組相連通的換向閥,且該氣動工具於握把的後端處係設置有兩與該換向閥相結合的按壓鈕,其中該換向閥與各按壓鈕之間主要係透過輪齒相嚙合的方式進行轉動,使轉動後的換向閥可與該氣缸組的正轉氣道或逆轉氣道相通,進而讓該氣缸組內的轉子可相對氣缸產生一正轉(順時針旋轉)或逆轉(逆時針旋轉)的作動;然而,上述的氣動工具雖可藉由按壓按壓鈕的方式,提供一鬆退或緊固螺帽或螺栓的效果,但既有氣動工具於使用必須藉由另一手按壓按壓鈕的方式,方可切換轉子的轉向而進行鬆退或鎖固的操作,不僅在操作上有所不便,且藉由按壓鈕推動換向閥的方式,於長時間的使用後,容易因磨損而使換向閥無法精確地進行轉動,進而影響既有氣動工具的操作流暢性;再者,如美國第2008/0066941號「Reversible Valve Assembly For a Pneumatic Tool」專利公開案,該氣動工具係於殼體內設置有一與該氣缸組相連通的切換閥組,該切換閥組至少設有一推動桿、一連動桿、一第一閥體及一第二閥體,該推動桿係可橫向移動地設於靠近該握把的殼體上,該連動桿係與該推動桿相結合且設於該殼體內且朝殼體的後端延伸,該第一閥體係與該連動桿異於該推動桿的一端相結合而設於該殼體內,而該第二閥體係套設於該第一閥體的外部且與該氣缸組相連通,透過推動該推動桿的方式,使該連動桿可帶動該第一閥體相對該第二閥體轉動的方式,改變氣流進入該氣缸組的方向,前述控制氣流方向的方式雖可提供一切換轉子轉向而進行鬆退或鎖固操作的效果,但該切換閥組的構件多且複雜,不僅會提高製造的成本,也會增加組裝時間與困難度;以及另外,如本國第I319346號專利案「氣動工具之旋轉方向切換構造」所示,該旋轉方向切換構造係由一控制柄、一轉動筒及一換向閥所組成,其中該控制柄係可橫向移動地設於靠近該氣動工具的殼體上,該轉動筒係與該控制柄相結合而可相對該殼體轉動,該換向閥係設於殼體內且套設於該轉動筒的外部並與該氣缸組相連通,透過推動該控制柄的方式,使該轉動筒可相對該換向閥轉動,即可改變氣流進入該氣缸組的方向,雖可提供一切換轉子轉向而進行鬆退或鎖固操作的效果,但該旋轉方向切換構造的構件多且複雜,不僅會提高製造的成本,也會增加組裝時間與困難度,誠有加以改進之處。According to the method, the pneumatic tools are mainly driven by gas, and the components such as bolts or nuts are loosened or fastened, which is quite convenient and fast to use. Therefore, the pneumatic tools are widely used, such as the United States. No. 5,199,460, the "Push Button Reverse Valve for Power Tool" patent, the handle of the pneumatic tool is provided with a reversing valve in communication with the cylinder block, and the pneumatic tool is disposed at the rear end of the grip a pressing button combined with the reversing valve, wherein the reversing valve and the pressing buttons are mainly rotated by means of meshing of the teeth, so that the reversing valve after the rotation can be forwarded with the cylinder group The air passage or the reverse air passage communicates, so that the rotor in the cylinder group can perform a forward rotation (clockwise rotation) or a reverse rotation (counterclockwise rotation) with respect to the cylinder; however, the above pneumatic tool can be pressed by pressing the button. In a way, it provides the effect of loosening or tightening the nut or bolt, but the pneumatic tool can be used to switch the rotation of the rotor to retract or use the button to be pressed by the other hand. The solid operation is not only inconvenient in operation, but also pushes the reversing valve by pressing the button. After a long time of use, the reversing valve is not easily rotated due to wear, thereby affecting the existing pneumatic The fluency of the operation of the tool; further, as disclosed in the "Reversible Valve Assembly For a Pneumatic Tool" patent publication No. 2008/0066941, the pneumatic tool is provided with a switching valve group connected to the cylinder block in the housing, The switching valve group is provided with at least one push rod, a linkage rod, a first valve body and a second valve body, and the push rod is laterally movably disposed on the housing adjacent to the grip, the linkage rod and the The push rod is combined and disposed in the housing and extends toward the rear end of the housing, and the first valve system is disposed in the housing in combination with the end of the push rod different from the push rod, and the second valve system Nested on the outside of the first valve body and communicating with the cylinder block, by pushing the push rod, the linkage rod can drive the first valve body to rotate relative to the second valve body to change the airflow into The cylinder bank Although the foregoing method of controlling the direction of the airflow can provide an effect of switching the rotor to perform the retracting or locking operation, the components of the switching valve group are numerous and complicated, which not only increases the manufacturing cost but also increases the assembly time and The degree of difficulty; and, as shown in the national patent No. I319346, "rotational direction switching structure of a pneumatic tool", the rotation direction switching structure is composed of a control handle, a rotating cylinder and a reversing valve, wherein the control The shank is laterally movably disposed on a housing adjacent to the pneumatic tool, and the rotating cylinder is coupled to the control handle to be rotatable relative to the housing, the directional valve being disposed in the housing and sleeved in the rotation The outer portion of the cylinder is in communication with the cylinder block, and the rotating cylinder is rotatable relative to the reversing valve by pushing the control lever to change the direction in which the airflow enters the cylinder group, although a switching rotor steering can be provided. The effect of the loosening or locking operation is performed, but the components of the rotating direction switching structure are numerous and complicated, which not only increases the manufacturing cost, but also increases the assembly time and difficulty. Improvements.
為了改善上述既有氣動工具結構及操作上的缺失及不足,本發明之目的在於提供一種可方便切換、準確操作、容易組裝且降低成本之氣動工具進氣方向切換裝置者。In order to improve the structure and operation of the existing pneumatic tools, the object of the present invention is to provide a pneumatic tool intake direction switching device that can be easily switched, accurately operated, easily assembled, and reduced in cost.
基於上述目的,本發明所運用的技術手段係在於提供一氣動工具進氣方向切換裝置,係設於一氣動工具的殼體內且位於一氣缸組的下方,該進氣方向切換裝置係設有一切換柄及一換向閥,其中:該切換柄係可水平移動地套設於該殼體內且位於該氣缸組的下方,該切換柄的兩端係分別伸出該殼體外,該切換柄在設於該殼體內的後側中段處係朝該氣缸組方向設有一卡設臂,該卡設臂在異於該切換柄的後端係設有一卡設孔;以及該換向閥係呈可拆卸地與該切換柄相結合而可轉動地設於該氣動工具的殼體內並與該氣缸組相連通,該換向閥係為一中空的筒體,該換向閥係設於該殼體的進氣管內且位於一進氣閥的上方,該換向閥於外表面的中段處係偏心設有一與該卡設臂卡設孔相結合的結合柱,該換向閥於頂端係朝上凸設有一位於該氣缸組下方的閥座,該閥座係貫穿設有一可與該氣缸組正轉氣道或逆轉氣道相通的閥孔。Based on the above object, the technical means used in the present invention is to provide a pneumatic tool intake direction switching device, which is disposed in a casing of a pneumatic tool and located below a cylinder group, and the intake direction switching device is provided with a switch. a handle and a reversing valve, wherein: the switching handle is horizontally movably sleeved in the housing and located under the cylinder group, the two ends of the switching handle respectively extend out of the housing, and the switching handle is disposed a latching arm is disposed in the middle of the rear side of the housing toward the cylinder block, the latching arm is provided with a latching hole at a rear end of the switching lever; and the reversing valve is detachable And the switch handle is rotatably disposed in the housing of the pneumatic tool and communicates with the cylinder block, the reversing valve is a hollow cylinder, and the reversing valve is disposed on the housing The intake pipe is located above an intake valve, and the reversing valve is eccentrically disposed at a middle portion of the outer surface with a coupling post coupled with the locking arm engaging hole, the reversing valve is upwardly attached to the top end Protruding a valve seat below the cylinder block, the valve seat It may be provided through a valve hole in communication with the cylinder group airway forward or reverse airways.
進一步,該卡設臂係一體成形於該切換柄後側的中段處。Further, the latching arm is integrally formed at a middle portion of the rear side of the switching handle.
再進一步,該切換柄於後側的中段處係設有一結合孔,而該卡設臂係可拆卸地與該結合孔相結合。Further, the switching handle is provided with a coupling hole at a middle portion of the rear side, and the locking arm is detachably coupled with the coupling hole.
較佳地,該卡設臂係設有一結合桿、一連接桿及一卡設桿,其中該結合桿係與該切換柄結合孔相結合,該連接桿係與該結合桿異於該切換柄的一端相結合,而該卡設桿係與該連接桿相結合,其中該卡設臂的卡設孔係設於該卡設桿異於該連接桿的一端上。Preferably, the latching arm is provided with a coupling rod, a connecting rod and a clamping rod, wherein the coupling rod is combined with the switching handle coupling hole, and the connecting rod and the coupling rod are different from the connecting handle The latching rod is coupled to the connecting rod, and the latching hole of the latching arm is disposed on an end of the latching rod different from the connecting rod.
較佳地,該換向閥於頂端凸設的閥座,使該換向閥在異於該閥座的頂面與該氣缸組之間形成一洩氣室。Preferably, the reversing valve has a valve seat protruding from the top end, so that the reversing valve forms a deflation chamber between the top surface of the valve seat and the cylinder block.
較佳地,該閥座係為一略呈扇形的座體。Preferably, the valve seat is a slightly fan-shaped seat body.
藉由上述之技術手段,本發明氣動工具進氣方向切換裝置,係至少具有以下的優點及功效:According to the above technical means, the pneumatic tool intake direction switching device of the present invention has at least the following advantages and effects:
一、方便切換:本發明氣動工具進氣方向切換裝置,於切換操作時,僅需對於切換柄的一端進行按壓,使切換柄可相對殼體移動,透過卡設臂與結合柱相卡合的方式,使換向閥相對氣缸組轉動,即可使氣體經由相通的進氣閥、閥孔及正/逆轉氣道而進入氣缸組中,使轉子產生順時針或逆時針的轉動進而對於螺帽或螺栓進行鎖固或鬆退。1. Convenient switching: The air tool direction switching device of the present invention only needs to press one end of the switching handle during the switching operation, so that the switching handle can move relative to the housing, and the locking arm is engaged with the binding column through the clamping arm. By rotating the reversing valve relative to the cylinder block, the gas can enter the cylinder group via the communicating intake valve, the valve hole and the positive/reverse air passage, so that the rotor rotates clockwise or counterclockwise and thus for the nut or The bolts are locked or loosened.
二、準確操作:本發明氣動工具進氣方向切換裝置,係藉由推動切換柄與該換向閥相卡合的方式,進行轉向的切換控制,其係可避免既有氣動工具於長時間的使用後,容易因輪齒嚙合磨損而使換向閥無法精確轉動的現象,使高壓氣體可準確經由特定的流向進入氣缸組中,使轉子可準確地進行轉動,大幅提高操作氣動工具的流暢性。Second, the accurate operation: the pneumatic tool intake direction switching device of the present invention controls the switching of the steering by pushing the switching handle and the reversing valve, which can avoid the existing pneumatic tools for a long time. After use, it is easy to make the reversing valve unable to rotate accurately due to the wear of the tooth teeth, so that the high pressure gas can enter the cylinder group accurately through a specific flow direction, so that the rotor can be accurately rotated, and the fluency of the operating pneumatic tool is greatly improved. .
三、方便組裝:本發明氣動工具進氣方向切換裝置,於組裝時僅需將該換向閥設於該殼體的進氣管內且位於該氣缸組下方後,再與該切換柄的卡設臂相卡設後,即完成本發明氣動工具進氣方向切換裝置的組裝,組裝上相當方便。Third, convenient assembly: the pneumatic tool intake direction switching device of the present invention, in the assembly, only need to set the reversing valve in the intake pipe of the casing and located under the cylinder group, and then the card with the switching handle After the arm phase is clamped, the assembly of the air tool direction switching device of the pneumatic tool of the present invention is completed, and the assembly is quite convenient.
四、降低成本:本發明氣動工具進氣方向切換裝置,於製造時僅需提供該切換柄及該換向閥的兩構件,即可對於進入氣動工具內的使高壓氣體進行特定流向的控制,不需如既有氣動工具需提供具有輪齒的換向閥或者需要設置推動桿、連動桿或多個閥體等構件,可有效降低製造氣動工具進氣方向切換裝置所需之成本。Fourth, the cost reduction: the pneumatic tool intake direction switching device of the present invention only needs to provide the switching handle and the two components of the reversing valve during manufacture, that is, the specific flow direction of the high pressure gas into the pneumatic tool can be controlled. There is no need to provide a reversing valve with gear teeth as in the case of existing pneumatic tools or to provide a push rod, a linkage rod or a plurality of valve bodies, etc., which can effectively reduce the cost required for manufacturing the pneumatic tool intake direction switching device.
為能詳細瞭解本發明的技術特徵及實用功效,並可依照說明書的內容來實施,玆進一步以如圖式所示(如1至4、7及8所示)的較佳實施例,詳細說明如后:本發明所提供的氣動工具進氣方向切換裝置係設於一氣動工具40的殼體41內且位於一氣缸組42及一操作鈕43之間,該殼體41係設有一進氣管411及一進氣閥412,而該進缸組42係設有一正轉氣道421、一逆轉氣道422及一轉子423,該進氣方向切換裝置係設有一切換柄10及一換向閥20,其中:該切換柄10係可水平移動地套設於該殼體41內且位於該氣缸組42的下方,該切換柄10的兩端係分別伸出該殼體41外,該切換柄10在設於該殼體41內的後側中段處係朝該氣缸組42方向設有一卡設臂11,11A,該卡設臂11,11A在異於該切換柄10的後端係設有一卡設孔111,111A,較佳地,該卡設臂11係如3圖所示一體成形於該切換柄10後側的中段處,或者如圖7所示,該切換柄10於後側的中段處係設有一結合孔12,而該卡設臂11A係可拆卸地與該結合孔12相結合,較佳地,該卡設臂11A係設有一結合桿13、一連接桿14及一卡設桿15,其中該結合桿 13係與該切換柄10結合孔12相結合,該連接桿14係與該結合桿13異於該切換柄10的一端相結合,而該卡設桿15係與該連接桿14相結合,其中該卡設臂11A的卡設孔111A係設於該卡設桿15異於該連接桿14的一端上;以及該換向閥20係呈可拆卸地與該切換柄10相結合而可轉動地設於該氣動工具40的殼體41內並與該氣缸組42相連通並介於該氣缸組42及該操作鈕43之間,其中該換向閥20係為一中空的筒體,該換向閥20係設於該殼體41的進氣管411內且位於一進氣閥412的上方,其中該換向閥20的軸向係與該進氣管411直線相對,使該換向閥20可垂直地相對該氣缸組42轉動,該進氣閥412係可透過該操作鈕43的按壓後產生偏擺,使進氣管411的氣體可直接進入該換向閥20中,該換向閥於20外表面的中段處係偏心設有一與該卡設臂11,11A卡設孔111,111A相結合的結合柱21,該換向閥20於頂端係朝上凸設有一略呈扇形且位於該氣缸組42下方的閥座22,使該換向閥20在異於該閥座21的頂面與該氣缸組42之間形成一洩氣室23,且該閥座22係貫穿設有一可與該氣缸組42正轉氣道421或逆轉氣道422相通的閥孔221。In order to understand the technical features and practical effects of the present invention in detail, and in accordance with the contents of the specification, the present invention will be further described in detail by the preferred embodiments shown in the drawings (as shown in Figures 1 to 4, 7 and 8). For example, the pneumatic tool intake direction switching device provided in the present invention is disposed in the housing 41 of a pneumatic tool 40 and is located between a cylinder block 42 and an operating button 43. The housing 41 is provided with an air intake. The tube 411 and an intake valve 412 are provided with a forward air passage 421, a reverse air passage 422 and a rotor 423. The intake direction switching device is provided with a switching handle 10 and a reversing valve 20 The switch handle 10 is horizontally movably sleeved in the housing 41 and located below the cylinder block 42. The two ends of the switch handle 10 extend out of the housing 41 respectively. The switch handle 10 A latching arm 11 , 11A is disposed in the middle of the rear side of the housing 41 in the direction of the cylinder block 42 . The latching arms 11 , 11A are provided with a card at a rear end different from the rear end of the switching handle 10 . The hole 111, 111A is preferably formed integrally with the middle portion of the rear side of the switching handle 10 as shown in FIG. As shown in FIG. 7, the switching handle 10 is provided with a coupling hole 12 at a middle portion of the rear side, and the locking arm 11A is detachably coupled with the coupling hole 12, preferably, the clamping arm 11A is provided with a coupling rod 13, a connecting rod 14 and a clamping rod 15, wherein the coupling rod The 13 series is combined with the connecting handle 10 of the connecting rod 12, the connecting rod 14 is combined with the connecting rod 13 at one end of the switching handle 10, and the connecting rod 15 is coupled with the connecting rod 14, wherein The locking hole 111A of the latching arm 11A is disposed on one end of the connecting rod 15 different from the connecting rod 14; and the reversing valve 20 is detachably coupled with the switching handle 10 to be rotatably It is disposed in the housing 41 of the pneumatic tool 40 and communicates with the cylinder block 42 and is interposed between the cylinder block 42 and the operating button 43, wherein the reversing valve 20 is a hollow cylinder. The valve 20 is disposed in the intake pipe 411 of the casing 41 and above the intake valve 412. The axial direction of the reversing valve 20 is linearly opposite to the intake pipe 411, so that the reversing valve 20 is vertically rotatable relative to the cylinder block 42. The intake valve 412 is yawed by the pressing of the operating button 43, so that the gas of the intake pipe 411 can directly enter the reversing valve 20, the reversing The valve is eccentrically disposed at a middle portion of the outer surface of the outer joint portion 21, and a coupling post 21 is coupled to the latching arms 11, 11A, and the reversing valve 20 is upwardly attached A valve seat 22 slightly fan-shaped and located below the cylinder block 42 is disposed, such that the reversing valve 20 forms a deflation chamber 23 between the top surface of the valve seat 21 and the cylinder block 42, and the valve seat The 22-series is provided with a valve hole 221 which can communicate with the forward air passage 421 or the reverse air passage 422 of the cylinder block 42.
本發明氣動工具進氣方向切換裝置於鎖固操作時,請配合參看如圖5及9所示,當使用者使用右手握住氣動工具40的握柄時,透過大拇指按壓切換柄10的方式,使切換柄10可相對該殼體41移動至使用者的四指上方處,此時,與該卡設臂11,11A卡設孔111,111A相卡合的結合柱21會隨著切換柄10移動,而使該換向閥20如圖5及9 所示產生一順時針方向的轉動,使該換向閥20的閥座22與該氣缸組42的421正轉氣道相通,其中當使用者按壓操作鈕43時,高壓氣體即可經由進氣管411、進氣閥412、換向閥20、閥座22閥孔221及正轉氣道421而進入該氣缸組42內中,進而使位於該氣缸組42內的轉子423產生順時針的旋轉,進而讓該氣動工具40可對於螺帽或螺栓進行鎖固;當使用者藉由本發明氣動工具進氣方向切換裝置於鬆退操作時,請配合參看如圖6及10所示,當使用者使用右手握住氣動工具40的握柄時,可透過食指按壓該切換柄10的方式,使該切換柄10可相對殼體41移動至使用者的大姆指上方處,此時,該換向閥20會隨著該切換柄10的移動而如圖6及10所示產生一逆時針方向的轉動,使該換向閥20的閥座22與該氣缸組42逆轉氣道422相通,當使用者按壓操作鈕43時,高壓氣體即可經由進氣管411、進氣閥412、換向閥20、閥座22閥孔221及逆轉氣道422而進入該氣缸組42內,使該轉子423相對氣缸組42產生逆時針的旋轉,即可讓該氣動工具40對於螺帽或螺栓進行鬆退。When the pneumatic tool intake direction switching device of the present invention is in the locking operation, please refer to FIG. 5 and FIG. 9, when the user holds the grip of the pneumatic tool 40 with the right hand, the manner of switching the handle 10 through the thumb is pressed. The switching handle 10 can be moved relative to the housing 41 to above the four fingers of the user. At this time, the binding post 21 engaged with the locking arms 11, 11A of the locking arms 111, 111A will follow the switching handle. 10 moves, and the reversing valve 20 is as shown in Figures 5 and 9. The clockwise rotation is caused to make the valve seat 22 of the reversing valve 20 communicate with the 421 positive air passage of the cylinder block 42, wherein when the user presses the operating button 43, the high pressure gas can pass through the intake pipe. 411, the intake valve 412, the reversing valve 20, the valve seat 22 of the valve seat 22, and the forward air passage 421 enter the cylinder block 42, thereby causing the rotor 423 located in the cylinder block 42 to rotate clockwise. The pneumatic tool 40 can be locked with a nut or a bolt; when the user uses the pneumatic tool intake direction switching device of the present invention to retract the operation, please refer to FIGS. 6 and 10 when the user uses the right hand. When the grip of the pneumatic tool 40 is held, the switch handle 10 can be pressed by the index finger to move the switch handle 10 relative to the housing 41 to the top of the user's thumb. At this time, the changeover valve 20 As shown in FIGS. 6 and 10, a counterclockwise rotation is generated as the switching handle 10 moves, so that the valve seat 22 of the reversing valve 20 and the cylinder block 42 are reversed to the air passage 422, when the user presses the operation. At the button 43, the high pressure gas can pass through the intake pipe 411, the intake valve 412, The valve 20, the valve seat 22 of the valve seat 22, and the reverse air passage 422 enter the cylinder block 42 to rotate the rotor 423 counterclockwise with respect to the cylinder block 42, thereby allowing the pneumatic tool 40 to loosen the nut or bolt. Retreat.
藉由上述的技術手段,本發明氣動工具進氣方向切換裝置,主要係透過該切換柄10與該換向閥20相卡設結合的方式,使該換向閥20可方便且準確地隨著切換柄10的移動,相對該氣缸組42產生順時針或逆時針的轉動,準確地與該氣缸組42的正轉氣道421或逆轉氣道422相通,即可透過切換的方式讓該氣動工具40對於螺帽或螺栓產生鎖 固或鬆退的操作,且於組裝時僅需將該換向閥20設於該殼體41的進氣管411內且位於該氣缸組42下方後,再與該切換柄10的卡設臂11,11A相卡設後,即完成本發明氣動工具進氣方向切換裝置的組裝,進而提供一可方便切換、準確操作、容易組裝且降低成本之氣動工具進氣方向切換裝置者。According to the above technical means, the pneumatic tool intake direction switching device of the present invention mainly uses the switching handle 10 and the reversing valve 20 to be coupled with each other, so that the reversing valve 20 can be conveniently and accurately The movement of the switching handle 10 is rotated clockwise or counterclockwise with respect to the cylinder group 42 to accurately communicate with the forward air passage 421 or the reverse air passage 422 of the cylinder block 42, and the pneumatic tool 40 can be switched by way of switching. Nut or bolt creates a lock The fixing or retracting operation, and only the reversing valve 20 is disposed in the intake pipe 411 of the casing 41 and located below the cylinder block 42 after assembly, and then the clamping arm of the switching lever 10 After the 11,11A phase is clamped, the assembly of the pneumatic tool intake direction switching device of the present invention is completed, thereby providing a pneumatic tool intake direction switching device that can be easily switched, accurately operated, easily assembled, and reduced in cost.
以上所述,僅是本發明的較佳實施例,並非對本發明作任何形式上的限制,任何所屬技術領域中具有通常知識者,若在不脫離本發明所提技術方案的範圍內,利用本發明所揭示技術內容所作出局部更動或修飾的等效實施例,並且未脫離本發明的技術方案內容,均仍屬於本發明技術方案的範圍內。The above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any one of ordinary skill in the art can use the present invention without departing from the scope of the present invention. Equivalent embodiments of the invention may be made without departing from the technical scope of the present invention.
10‧‧‧切換柄10‧‧‧Switch handle
11,11A‧‧‧卡設臂11,11A‧‧‧ card arm
111,111A‧‧‧卡設孔111, 111A‧‧‧ card hole
12‧‧‧結合孔12‧‧‧Combination hole
13‧‧‧結合桿13‧‧‧Link rod
14‧‧‧連接桿14‧‧‧ Connecting rod
15‧‧‧卡設桿15‧‧‧Card pole
20‧‧‧換向閥20‧‧‧Reversing valve
21‧‧‧結合柱21‧‧‧ binding column
22‧‧‧閥座22‧‧‧ valve seat
221‧‧‧閥孔221‧‧‧ valve hole
23‧‧‧洩氣室23‧‧‧Discharge chamber
40‧‧‧氣動工具40‧‧‧ pneumatic tools
41‧‧‧殼體41‧‧‧Shell
411‧‧‧進氣管411‧‧‧Intake pipe
412‧‧‧進氣閥412‧‧‧Intake valve
42‧‧‧氣缸組42‧‧‧ cylinder group
421‧‧‧正轉氣道421‧‧‧Airway
422‧‧‧逆轉氣道422‧‧‧Reversing the airway
423‧‧‧轉子423‧‧‧Rotor
43‧‧‧操作鈕43‧‧‧ operation button
圖1係本發明第一實施例裝設於一氣動工具上之立體外觀圖。1 is a perspective view showing a first embodiment of the present invention mounted on a pneumatic tool.
圖2係本發明第一實施力與該氣動工具之局部立體分解圖。2 is a partial exploded perspective view of the first embodiment of the present invention and the pneumatic tool.
圖3係本發明第一實施例之立體分解圖。Figure 3 is a perspective exploded view of the first embodiment of the present invention.
圖4係本發明第一實施例設於該氣動工具上之局部放大剖面側視示意圖。Fig. 4 is a partially enlarged cross-sectional side elevational view of the pneumatic tool according to the first embodiment of the present invention.
圖5係本發明第一實施例之操作俯視示意圖(正轉)。Fig. 5 is a top plan view (forward rotation) of the operation of the first embodiment of the present invention.
圖6係本發明第一實施例之另一操作俯視示意圖(逆轉)。Fig. 6 is a top plan view (reverse rotation) of another operation of the first embodiment of the present invention.
圖7係本發明第二實施例之立體分解圖。Figure 7 is a perspective exploded view of a second embodiment of the present invention.
圖8係本發明第二實施例設於該氣動工具上之局部放 大剖面側視示意圖。Figure 8 is a partial arrangement of the second embodiment of the present invention on the pneumatic tool Large section side view.
圖9係本發明第二實施例之操作俯視示意圖(正轉)。Figure 9 is a top plan view (forward rotation) of the operation of the second embodiment of the present invention.
圖10係本發明第二實施例之另一操作俯視示意圖(逆轉)。Figure 10 is a top plan view (reverse) of another operation of the second embodiment of the present invention.
10...切換柄10. . . Switch handle
11...卡設臂11. . . Card arm
111...卡設孔111. . . Card hole
20...換向閥20. . . Directional valve
21...結合柱twenty one. . . Combined column
22...閥座twenty two. . . Seat
221...閥孔221. . . Valve hole
Claims (6)
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TW100108719A TWI396607B (en) | 2011-03-15 | 2011-03-15 | Pneumatic tool intake direction switching device |
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TWI396607B true TWI396607B (en) | 2013-05-21 |
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US10590770B2 (en) | 2015-03-06 | 2020-03-17 | Snap-On Incorporated | Reversing mechanism for a power tool |
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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