200840940 九、發明說明： 【發明所屬之技術領域】 本發明涉及一種用來對輪胎等被充氣物打入氣體的打氣筒， 特別是一種體積小而方便攜帶的設計。 【先前技術】 一般的打氣筒大體上包含有即筒、設於哪筒的頭部，以及一 • 端連接於該頭部的氣嘴接頭，氣嘴接頭接設於被充氣物的氣嘴 後，藉由操作哪筒產生壓縮氣體，進而使氣體經由頭部與輸氣管 充入被充氣物内。 基於方便攜帶的考量，有些打氣筒會設計成小體積的形態·， 如第六圖所示的習知打氣筒，係包括有一筒體A、握把b、一頭部 C、一設於頭部的夾頭氣嘴D與曲柄E;打氣時，將炎頭氣嘴d套 在被充氣物的充氣嘴6 ’然後板動曲柄E來逼迫其内裝的卡合件壓 _ 賢而夾緊充氣嘴’使用者握住握把B相對於筒體a軸向運動，便 能將氣體經由頭部C及夾頭氣嘴D打入充氣嘴6。 .^ \ - — 莉述習知打氣筒的缺點在於：打氣過程中，在輪胎充氣嘴 •上裝卸操作曲柄％會發生洩氣；且筒體内的氣體壓力過高時會有 脫落之虞，此外，其打氣時，需要一手握住筒體，一手握住握 把，因此整體長度無法縮小，其體積仍然過大，攜帶不方便。 【發明内容】 200840940 《所欲解決之技術問題》 本發明触要目的在於職習知輕便型打氣筒，其體積仍然 過，、攜帶不夠方便，且在打氣過程中裝卸操作曲柄時容易發生 洩氣，筒體内壓力過大時容易脫落的缺失。 《發明内容》 本發㈣概在祕打簡㈣體直接做紐把，雨活塞裝 置與輪氣桿·合賤籠心贿塞裝置聽含活塞體以及用 於防止氣體回流的逆止随與逆止閥片，因此，在不使用時，可 以將整個輪氣獅人龍内，㈣騎簡倾積綱最小程 度，更方便於攜帶或收藏。 本發明的另一特徵在於，藉由螺合方式將氣嘴接頭連接於被 充氣物的絲嘴，因此，其輕不僅料，且較習知者更為綠實， 兩壓時也铸祕；所_合式的_體_、，操作更容易。 本發_技術手段，包括有—筒體、—輸氣桿、一活塞裝置、 一頭部與-氣嘴接頭·，該筒體的第—端設有進氣孔，第二端予以 封閉；所述輸具有軸向貫通其第1與第二麟輸氣通道； 該活絲置包含有-活塞體與―逆蝴，該活塞麟於所述輸氣 桿的第二端，觀止__魏桿第二触餅雜之間，並 使該活麵雜轉第二邮秘靖_，雜絲體設有一 中。孔以及通孔，所相部設於輪氣桿的n氣嘴接細 200840940 設於該頭部，·所述筒體以離開該頭部的方向相對於該輪氣桿移動 時，得以使空氣經由該上蓋的通氣孔進入筒體，並經由該活塞體 的通孔進入所述筒體底端’同時藉由逆止閥片阻擋空氣從中心孔 流出，當筒體以朝向該頭部的方向相對於該輸氣桿移動時，則使 該筒體底端的空氣經由所述中心孔進入該輸氣桿的輸氣通道，進 而由該頭部及氣嘴接頭流出。 所述逆止閥的技術手段，包括有一逆止閥座與一逆止閥片， 該逆止閥座為階級狀的筒體，其一端套入該輸氣桿第二端的輸氣 通遵，另一端套入該活塞體内，所述逆止閥片位於該逆止閥座内 而可在該活塞體之中心孔與逆止閥座之通孔之間移動。 為了避免同體相對於輸氣桿軸向運動時因碰撞而產生噪音或 文知’本發_另-技術手段，可以在筒翻、外的輸氣桿上設 置缓衝墊圈’該緩衝墊圈分別靠近打氣筒的頭部與活塞體，藉以 在筒體__敍鎌時，騎躲麵錢和設在筒體的上 盖碰撞’而回復行程時則能避免頭部和該上蓋碰撞。 I實施方式】· 以下配Ό圖式對本發明的實施例做更詳細的說明，俾使任何 热項技#者在研讀本專舰明書後能據以實施。 第圖與第二圖顯示本發明之輕便型打氣筒的外觀，其具有 同體1、—穿人筒體1的輸氣桿2、-設於輸氣桿2的頭部4， 200840940 以及一設於頭部4的氣嘴接頭5;所述輪氣桿2筒相 地轴，從而將氣體經由頭部4及氣如 弟二圖與第四圖顯示本發明主要元件土 實施例，其包括有-筒體丨、—輸 =^構之車父佳 询瑕^干2、一活塞裝置3、一 4與一氣嘴接頭5;其中，芮 頭邻 設有内敎，料上稱崎缝，細端分別 / 触螺〇上盍11，下端螺合一下蓋12 ,上蓄 11設有ff個通下__體1㈣封閉 輸孔杯2為-中空且外徑小於筒體】内徑的管狀體，盆第一 端分別設有第—外螺紋23與第二外螺紋24，輸_ 的υ構成-貫穿第—端與第二端的輸氣通道21。 所述活基裝置3'包含有一活塞體31與一逆止閥；該活塞體幻 崎錄有環溝槽侧，活塞體31的中央設有一中心孔3ιι，活 2體31的上端螺合於輸氣桿2第二端的第二外螺紋％ ;活塞體 31下面設有複數個貫通至其_槽的通孔312,該環溝槽310 再設置一活塞環32。 所述逆止閥包含有一逆止閥座33與-逆止閥片34,該逆止閥 座33為Ρ白級狀亚在中間具有中央孔331的筒體，該逆止闕片料 為-軟性的片體’並置於該逆止_ %較大的魄中，而可在該 活塞㈣之中心孔311與逆止閥座33之中央孔331之間移動。 輸氣桿2第二端先套入一第二緩衝墊圈35後，再將逆止閥座33 車又J外^的i^套入輪氣桿2第二端的内徑，而逆止閥片34置入 200840940 逆止閥座33較大雜端_部後，储魏賴座％放入活塞 體31上翻，並使活塞體31上端與輪氣桿2料二外螺紋％螺 合0 所述頭部4具有貫通兩側的氣體流道，並在該氣體流道的兩 端形成第-螺孔41與第二螺孔42;所述輸氣桿2的第一端套入一 第-緩衝墊圈22後’再將其第一外螺紋23螺合於頭部4的第一 螺孔41，使該氣體流道和輸氣桿2的輪氣通道21相通。 本發明的氣嘴接頭5是-種螺合式的旋轉頭，其一端螺合於 頭部4的第二螺孔42 ’另一端則可以螺合於被充氣物的充氣嘴 6(如第五圖所示）。 第四A 1|絲四B ®為顯示本發衡氣筒進行打氣時的動子 與氣體流動路徑。當使用者手握筒體1以朝向該頭部4的方向才 對於輸氣桿2軸向移動時，逆止閥片34因受到氣壓作用而触 止閥座33的上端移動，但因逆止閥座犯的中央孔下端具細 側孔而無法被逆止_ 34 _，故在此行財，韻i内部底; ^祕活紐:31朴礙敎_ 33财央織入輪氣桿 的輪氣通這2卜從而經_部4及氣嘴接頭5流出以對被充氣, A騎示）。編1 _輸4的方向_ 、二輪祕2軸向移動時，則使空氣經由上蓋u的通氣孔出 ' 2體、1 ’並經由活塞體31的通孔312進入筒體丨底端(如第四 _示），以待下次充氣行辦將氣體㈣。 200840940 在所述充氣行程時，上蓋u可处合 或受損，因此本發明利用第撞到頭部4而產生噪音 之間的缓衝元件，得以避免前迷的問韻。做為頭部4與上蓋11 蓋11也可能會碰撞到活塞體 。又’在回復行程時，上 利用第二緩衝塾圈35做 =音或受損，因此本發明 避免之。 為/舌基體31與上蓋11之間的緩衝元件而 、以上所述者僅為用以解釋本發明之較佳實施例，並非企圖據 乂對本發明作任何形式上之限制，是以，凡有在相同之發明精神 下所作有關本發明之任何修飾鎌更，皆仍應包括在本發明 保護之範疇。'胃 200840940 【圖式簡單說明】 〆 第一圖為顯示本發明外觀之實施例立體圖。 第二圖為顯示本發明之筒體相對於二 』％翰軋桿拉伸之狀態之實施例立 體圖。 第三圖為顯示本發明之主要元件組合關係之立體分解圖。 第四A ®為示本發明之結構’且龍被操作將空氣打出之實施例 平面剖視圖。 苐四B圖為示本發明之筒體被操作將空氣吸入筒體内之實施例平 面剖視圖。 第五圖為顯示本發明之打氣筒與氣嘴接設之實施例立體圖。 第/、圖為顯示習知輕便型打氣筒之實施例立體圖。 【主要元件符號說明】 • b····,體 11······上蓋 、 111〜〜進氣孔 12······底蓋 、····輪氣桿 21 ····輪氣通道 22 ^第一緩衝墊圈 3 s第一外螺紋 11 200840940 24·…··第二外螺紋 3··•…活塞裝置 31……活塞體 310......環溝槽200840940 IX. OBJECTS OF THE INVENTION: 1. Field of the Invention The present invention relates to an inflator for injecting a gas into an inflated material such as a tire, and more particularly to a design that is small in size and convenient to carry. [Prior Art] A general pump generally includes an instant tube, a head disposed on the barrel, and a nozzle joint connected to the head, and the nozzle joint is connected to the nozzle of the inflated object. The compressed gas is generated by operating which cylinder, and then the gas is charged into the inflated body through the head and the gas pipe. Based on the convenience of carrying considerations, some of the inflators are designed in a small volume. For example, the conventional inflator shown in the sixth figure includes a cylinder A, a grip b, a head C, and a head. The chuck nozzle D and the crank E of the part; when inflating, the head nozzle d is placed on the inflator 6 of the inflated object, and then the crank E is driven to force the fitting member to be pressed. The inflating nozzle 'the user holds the grip B in the axial direction relative to the barrel a, and the gas can be driven into the inflating nozzle 6 via the head C and the collet nozzle D. .^ \ - — Lishu's conventional pump has the disadvantage that during the pumping process, the crank of the tire inflation nozzle will be deflated, and the gas pressure in the cylinder will be too high. When it is pumping, it is necessary to hold the cylinder with one hand and hold the grip with one hand, so the overall length cannot be reduced, and the volume is still too large, which is inconvenient to carry. [Summary of the Invention] 200840940 "Technical Problems to be Solved" The purpose of the present invention lies in the fact that the portable air pump is still in a volume, is not easy to carry, and is prone to deflation when loading and unloading the crank during the air pumping process. When the pressure inside the cylinder is too large, it is easy to fall off. "Summary of the Invention" This issue (4) is in the secret of the secret (four) body directly, the rain piston device and the gas lever · combined cage bribery device to listen to the piston body and to prevent gas backflow Stop the valve piece, therefore, when not in use, you can put the whole wheel in the lion's dragon, (4) to minimize the ease of carrying, or to carry or collect. Another feature of the present invention is that the nozzle joint is connected to the nozzle of the inflated body by screwing, so that it is lighter than the material, and is more green than the conventional one, and is also secreted when the two pressures are pressed; _ _ _ body _, the operation is easier. The technical method comprises: a cylinder, a gas transmission rod, a piston device, a head and a gas nozzle joint, the first end of the cylinder body is provided with an air inlet hole, and the second end is closed; The transmission has an axial through the first and second lining gas passages; the live wire includes a piston body and a reverse butterfly, and the piston is disposed at the second end of the gas transmission rod to observe __wei The second touch of the rod is between the cakes, and the live surface is mixed with the second secret, and the hybrid body is provided with one medium. a hole and a through hole, wherein the n-nozzle joints 200840940 of the phase portion are disposed on the head, and the cylinder is configured to move the air relative to the wheel rod in a direction away from the head Entering the cylinder through the vent hole of the upper cover, and entering the bottom end of the cylinder through the through hole of the piston body while discharging air from the center hole by stopping the valve piece, when the cylinder is oriented toward the head When moving relative to the gas rod, the air at the bottom end of the cylinder enters the gas passage of the gas rod through the center hole, and then flows out from the head and the nozzle joint. The technical means of the check valve includes a check valve seat and a check valve piece, the check valve seat is a class-shaped cylinder body, and one end of the gas pipe is inserted into the second end of the gas transmission rod. The other end is sleeved into the piston body, and the check valve piece is located in the check valve seat to move between the central hole of the piston body and the through hole of the check valve seat. In order to avoid the noise caused by the collision when the same body moves axially relative to the gas transmission rod, or the knowledge of the present invention, it is possible to provide a cushioning washer on the gas shaft of the cylinder and the outer gas rod. Close to the head of the pump and the piston body, so that when the cylinder __ 〗 〖, riding the hide money and the upper cover of the cylinder collide, and the head and the upper cover can be avoided when the stroke is resumed. I. EMBODIMENT OF THE INVENTION The following embodiments of the present invention are described in more detail, so that any person skilled in the art can implement the book after reading the book. The first and second figures show the appearance of the portable air pump of the present invention, which has the same body 1, the gas delivery rod 2 of the wearing body 1, the head 4 provided on the gas transmission rod 2, 200840940 and a a nozzle joint 5 disposed on the head 4; the wheel rod 2 is axially coupled to the shaft, thereby displaying the main component soil embodiment of the present invention through the head 4 and the gas, such as the second and fourth figures, including -The cylinder body —, the transmission = ^ structure of the car father Jia 瑕 干 ^ dry 2, a piston device 3, a 4 and a gas nozzle joint 5; among them, the Shantou neighbor is equipped with a chin, the material is called the seam, fine The end is respectively connected to the upper 盍11, the lower end is screwed to the lower cover 12, and the upper storage 11 is provided with ff __body 1 (four) closed venting cup 2 is a hollow body having an outer diameter smaller than the inner diameter of the cylinder The first end of the basin is respectively provided with a first external thread 23 and a second external thread 24, and the enthalpy of the transmission constitutes a gas passage 21 extending through the first end and the second end. The living unit 3' includes a piston body 31 and a check valve; the piston body has a ring groove side, and a center hole 3 ιι is provided in the center of the piston body 31. The upper end of the living body 31 is screwed to The second external thread % of the second end of the gas delivery rod 2; a plurality of through holes 312 penetrating into the groove thereof are disposed under the piston body 31, and the ring groove 310 is further provided with a piston ring 32. The check valve includes a check valve seat 33 and a check valve piece 34. The check valve seat 33 is a cylindrical body having a central hole 331 in the middle of the white plate, and the reverse stop piece is - The soft sheet 'is placed in the larger 魄% 魄, and is movable between the central hole 311 of the piston (4) and the central hole 331 of the check valve seat 33. After the second end of the gas transmission rod 2 is first inserted into a second buffer gasket 35, the rear end of the valve seat 33 and the outer surface of the valve rod 2 are inserted into the inner diameter of the second end of the gas rod 2, and the valve plate is reversed. 34 After inserting 200840940, the larger end of the check valve seat 33 is _ part, the storage Wei Lai seat % is placed in the piston body 31 upturned, and the upper end of the piston body 31 and the wheel rod 2 material two external threads % screw 0 The head portion 4 has a gas flow passage penetrating both sides, and a first screw hole 41 and a second screw hole 42 are formed at both ends of the gas flow passage; the first end of the gas transmission rod 2 is nested with a first After the cushioning washer 22, the first external thread 23 is screwed to the first screw hole 41 of the head 4, so that the gas flow path communicates with the wheel air passage 21 of the gas delivery rod 2. The nozzle joint 5 of the present invention is a screw-type rotary head, one end of which is screwed to the second screw hole 42 of the head 4', and the other end can be screwed to the inflator 6 of the inflated body (as shown in the fifth figure). Shown). The fourth A 1 | wire four B ® is a mover and gas flow path when the air pump is inflated. When the user holds the cylinder 1 in the direction of the head 4 to move axially toward the gas delivery rod 2, the check valve 34 is moved by the air pressure to stop the upper end of the valve seat 33, but is stopped. The lower part of the central hole of the valve seat has a thin side hole and cannot be reversed _ 34 _, so it is here to make money, rhyme i internal bottom; ^ Secret activity: 31 Park 敎 _ _ _ _ _ _ _ _ The wheel is ventilated to pass through the _ section 4 and the nozzle joint 5 to be inflated, and A is shown. When the direction of the _transmission 4 and the movement of the second wheel 2 are axially moved, the air is made to pass through the vent hole of the upper cover u, and enters the bottom end of the cylinder through the through hole 312 of the piston body 31 (eg The fourth _ shows) to wait for the next inflation to operate the gas (four). 200840940 The upper cover u can be engaged or damaged during the inflation stroke, so that the present invention utilizes a cushioning element that strikes the head 4 to generate noise, thereby avoiding the rhythm of the former. As the head 4 and the upper cover 11, the cover 11 may also collide with the piston body. Further, when the stroke is resumed, the second buffer ring 35 is used for the sound or the damage, so the present invention avoids it. The above is a preferred embodiment for explaining the present invention, and is not intended to limit the present invention in any way, so that Any modifications made to the invention in the spirit of the same invention should still be included in the scope of the invention. 'Stomach 200840940 BRIEF DESCRIPTION OF THE DRAWINGS 〆 The first figure is a perspective view showing an embodiment of the appearance of the present invention. The second figure is a perspective view showing an embodiment of the state in which the cylinder of the present invention is stretched relative to the second cylinder. The third figure is an exploded perspective view showing the main component combination relationship of the present invention. The fourth A ® is a plan sectional view showing an embodiment in which the structure of the present invention is shown and the dragon is operated to blow air out. Figure 4B is a plan cross-sectional view showing an embodiment in which the cylinder of the present invention is operated to draw air into the cylinder. Fig. 5 is a perspective view showing an embodiment in which the pump and the nozzle of the present invention are connected. Fig. / is a perspective view showing an embodiment of a conventional portable air pump. [Description of main component symbols] • b····, body 11······Top cover, 111~~Air intake hole 12······Bottom cover,························································ ·Boiler passage 22 ^First cushion washer 3 s first external thread 11 200840940 24·...··Second external thread 3··•...piston unit 31...piston body 310...ring groove
311" …·中心孔 312" …·通孔 32… …活塞環 33·.· 331·. …··中央孔 34… …逆止閥片 35… …第二缓衝墊圈 4…· ••頭部 41··· …第一螺孔 42··· …·第二螺孔 5…· ••氣嘴接頭311" ...· center hole 312" .... through hole 32... piston ring 33·.· 331·.... central hole 34... check valve plate 35... second cushion washer 4...·•• head Part 41···...first screw hole 42·····second screw hole 5...·•• nozzle joint