M442435 五、新型說明： 【新型所屬之技術領域】 本創作係關於一種具防脫落效果之快速接頭，尤指一 種可防止密封圈脫落、密閉性佳且節省成本之具防脫落效 果之快速接頭者。 【先前技術】 按’現有快速接頭係用於管路的銜接，其主要係設有 —本體、一閥座及一外殼體，其中該本體係由數個筒體相 結合所形成，該閥座係可移動地設於該本體内且設有一封 閉端、-開放端、i少一進氣口及一密封圈’該閥座的封 閉端係設置於靠近該本體與一空氣壓縮機相連接的一端， 該閥座的開放端係設置於該本體的另一端，用以與一算接 碩相結合，該至少一進氣口貫穿該閥座靠近該封閉端的外 表面’該密封圈係套設於該#閉端i且可與該本體的内部 ㈣㈣靠’提供阻隔氣體的效果，$而使該本體的兩端 現不連通的狀態’該外殼體係可移動地套設於該本體 的一端，透過推動該外殼體移動的方式，可使一公接頭穩 固地與該閥座開放端相結合以進行氣體的輸送； …、而&有快速接頭雖可提供_快速連接管路的效 果，但現有快速接頭位於該閱座封閉端上的密封圈，當一 公接頭與現有快速接頭相結合時，會推動該閱座的封閉端 朝該空氣壓縮機的方向移動，蚀 二 j秒動’使本體與該公接頭之間透過 該至少一進氣口而相通，1杏 甲田5玄空氣壓縮機所送出的高 壓氣體流量超出現有快速接頭 任頌所把承受的極限時，位於該 3 M442435 閥座封閉端的密封圈，會因高壓氣體而被吹離該閥座的封 閉端’使該公接頭與現有快速接頭相分離時，該閥座無法 提供確實的密閉效果，因此，必須將現有快速接頭拆開進 行維修，然而，考慮維修所需的成本及時間，往往會將整 個快速接頭丟棄不再使用，相對會造成資源及成本的浪 費，誠有加以改進之處。 【新型内容】 因此，本創作有鑑於現有快速接頭結構與操作的缺失 與不足，特經過不斷的試驗與研究，終於發展出一種能改 進現有缺失之本創作。 本創作主要在於提供一種具防脫落效果之快速接頭， 其係可透過設置一保護罩的方式，可避免位於閥座封閉端 的也封圈發生脫洛的現象，進而提供提供一可防止密封圈 脫落、密閉性佳且節省成本的具防脫落效果之快速接頭之 目的者。 基於上述目的，本創作之主要技術手段在於提供一種 具防脫落效果之快速接頭，其係設有一本體、一定位座、 一閥座及一外殼體，其中： 介於該結合端及 該本體設有一結合端、一連接端及 連接端的本體内部之進氣室； i疋位座可拆卸地與该本體相螺合且設有一與該本舊 連接端相、结合的螺固端…與該螺固端相通的套入端、一 設於該靠近該套人端的定位座之出氣室、數個間隔貫㈣ 定位座靠近該套入端的外表 ^ 叫且刀别a又有一定位珠的套窗 孔及一復位彈簧，該快速接 饮峭於邊本體及定位座之間設或 M442435 墊27相抵靠，較佳地，如圖9所示，該定位座2〇在介於 該螺固端21及各套設孔24間係設有複數個間隔貫穿該定 位座20外表面且與該出氣室23相通的洩氣孔29 ; 該闊座30係可移動地設於該本體1 0及該定位座20之 間且設有一封閉端31、一開放端32、一套設柱33、至少 一進氣口 34、一套設槽35、一密封圈36及一保護罩37， 其中該閥座30的封閉端31係可移動地設於該本體1〇的進 氣室1 3中’該閥座30的開放端32係設於該定位座2〇的 出氣室23處，使該閥座3〇位於開放端32處的外表面係可 與該疋位座20的各定位珠28相抵靠，該套設柱33係凸設 成形於該閥座30封閉端31的中心處，且該套設柱33在異 於該封閉端31的自由端處係設有一限位板331，該至少一 進氣口 34係貫穿靠近該封閉端31的閥座3〇外表面且可與 該本體10進氣室13或該定位座20的出氣室23相通，該 復位彈簧2 5係套設結合於該閥座2 0的外表面而介於該至 少一密封墊27與該閥座30的開放端32之間； 該套設槽35係環形凹設於該閥座30封閉端31的外表 面而介於該套設柱33及該至少一進氣口 34之間，該密封 圈36係套設於該套設槽35中且可與該定位座2〇至少一密 封墊27相抵靠，藉以使該本體1〇進氣室13及該定位座出 氣室之間呈現一不連通的狀態，而該保護罩37係可移動地 套設於該套設柱33上且設有一封閉端371、一開口端372、 一套設口 373及複數個開槽374,該保護罩37的封閉端371 係朝向該本體1 〇的結合端11，而該保護罩37的開口端372 係蓋設於該閥座30的封閉端31上，該套設口 373係貫穿 9 M442435 該保護罩37的封閉端371且套設於該套設柱33上使該 保護罩37位於該限位板331及該閥座30封閉端31之間， 各開槽374係間隔貫穿該保護罩37的封閉端371且與該套 設口 373相通，使該保護罩37因設置複數個開槽374的結 構’使該保護罩37位於該套設口 373周緣的封閉端371具 有可彈性變形的特徵，進而使該保護罩37可變形而穿過該 限位板331並套設於該套設柱33上；以及 該外殼體40係可移動地套設於該定位座2〇上且設有 一彈簧槽41、一限位環槽42及一推抵彈簧43，其中該彈 簧槽41係凹設於該外殼體4〇 一端的内表面且套設於該定 位座20上，該限位環槽42係環形凹設於該外殼體4〇的另 一端且與該定位座20的各套設孔24相對應，使各定位珠 28可滾動地設於各套設孔24及該限位環槽間42，使該外 设體40呈可移動地設於該定位座2〇上，該推抵彈簧43係 套設於該定位座20的外表面上且兩端係分別抵靠於該定位 座20及該彈簧槽41之間。 請參看如圖3所示，本創作具防脫落效果之快速接頭 第一較佳實施例在未使用時，由於閥座3〇受到復位彈簧25 的推頂，使閥座30的封閉端31係抵靠於該至少一密封墊 27處而使該本體10及定位座2〇之間係呈一氣體斷路的狀 態，再則，當本體1 0的結合端彳彳與一空氣壓縮機（圖未示） 相結合時，如圖4所示當一具有環形卡合槽61A的公接頭 60A在未推動該閥座3〇相對該本體1〇及定位座2〇移動 時，由於受到該空氣壓縮機高壓氣體推抵的作用，會使該 閥座30封閉端31緊閉於相對應的密封墊27處而不會有洩 10 M442435 氣的情形，同時，該可變形的伴嗜 夂π 97保5蔓罩37因受到該空 機高壓氣體的推動，會相對該套讯扭 了邊砮6又柱33而朝該閥座3〇的 封閉端31移動，使該保護罩37如 平以如圖4所不與該密封墊27 相抵靠並包覆於該密封圈36的外部，可避免密封圈扣在 該本體1G與該空氣壓縮機相連接時因高壓氣體而產生脫落 的現象； 請配合參看如圖5所示，當該具有環形卡合槽61Α的 公接頭60Α推動該龍30相對該本體忉及定位座⑺移 動時，該閥座30的至少-進氣口 34會與該本體1〇的進氣 室13相通’當該公接頭6〇Α的卡合槽61Α移動至該定位 座20的各套設孔24時，各定位珠28會朝該卡合槽61八 方向移動，使該外殼體40經推抵彈f 43的推動而朝該公 接頭60A的方向移動，使各定位珠28卡設於該公接頭⑽ 的卡合槽61A及該外殼體4()内表面之間，即可使該公接頭 60 A穩固地與該定位座2〇相結合； 當該公接頭60A透過各定位珠28而與該定位座2〇相 結合時，該閥座30的封閉端31會朝該本體1〇的結合端 11方向移動’進而使該閥座3〇的至少一進氣口 34與該進 氣室1 3呈一通氣狀態，即完成該公接頭6〇A的插接操作， 此時，由該空氣壓縮機所產生的高壓氣體可經該本體1〇的 進氣室1 3與該閥座30而進入該公接頭6〇A中，此時，位 於該進氣室13處的保護罩37,會受到高壓氣體的推擠而緊 密地覆蓋於該密封圈36的外部，可有效避免密封圈36在 快速接頭、公接頭60A與該空氣壓縮機相連接時因高壓氣 體而產线落的現象，另夕卜，當快速接頭未與空氣壓縮機 M442435 相連接時，該保護罩37係會如圖3所示透過彈性變形的方 式與該密封圈36相分離。 另外，請配合參看如圖6及7所示，本創作具防脫落 效果之快速接頭第二較佳實施例與另一具有環形卡合槽 61 B的公接頭60B相結合時，其操作步驟係與本創作具防 脫落效果之快速接頭第一較佳實施例相同，其中在快速接 頭、公接頭60B與該空氣壓縮機相連接而進行高壓氣體的 輸送時，該位於該進氣室13處的保護罩37,亦會受到高壓 氣體的推擠而緊密地覆蓋於該密封圈36外部，可有效避免 密封圏36在輸送高壓氣體的過程中產生脫落的現象。 再者，請配合參看如圖8及9所示’本創作具防脫落 效果之快速接頭第三較佳實施例與另一具有環形卡合槽 61 C的公接頭60C相結合時，其操作步驟係與本創作具防 脫落效果之快速接頭第一及二較佳實施例相同，其中在快 速接頭、公接頭60C與該空氣壓縮機相連接而進行高壓氣 體的輸送時，該位於該進氣室13處的保護罩37,亦會受到 高壓氣體的推擠而緊密地覆蓋於該密封圈36外部可有效 避免密封圈36在輸送高壓氣體的過程中產生脫落的現象。 另外，請配合參看如圖1 0及彳]所示，本創作具防脫 落效果之快速接頭第四較佳實施例與另一具有環形卡合槽 61D的公接頭60D相結合時，其操作步驟係與本創作具防 脫落效果之快速接頭前述較佳實施例相同，其中在快速接 頭、公接頭60D與該线壓縮機相連接而進行高壓氣體的 輸送時，該位於該進氣室13處的保護罩37 ,亦會受到高壓 氣體的推擠而緊密地覆蓋於該密封圈36外部，可有效避免 12 M442435 也、封圈36在輸送咼壓氣體的過程中產生脫落的現象。 藉由上述的技術手段可知，當本創作具防脫落效果之 快速接頭與-空氣壓縮機相結合，當該公接頭嫩，_， 60C 6GD未推動該閥座3Q時，該保護罩會受到高壓氣 體的推抵而與該至少_密封墊27相抵靠而包覆於該密封圈 36的外°卩’不僅可確保該密封圈36封閉該本體1 〇進氣室 -、該疋位座20出氣室23間的通路，且可避免該密封圈 如▲因高壓氣體而產生脫^的情形，進而影響快速接頭的密 閉效果，且當公接頭6〇A，6〇B，6〇c，6〇d推動閥座3〇 進行同壓氣體的輸送時，該保護罩37係可透高壓氣體的推 抵而/、緊在、地蓋设於該密封圈的外部，確切地避免密封 圈36在輸送尚壓氣體的過程中產生脫落的現象； 再者’當該空氣壓縮機所送出的高壓氣體流量超出快 速接頭所能承受的極限時，該保護罩37亦可提供進一步的 保護效果，使該快速接頭在高壓氣體流量超出快速接頭所 能承受的極限時仍可進行使用’而不會發生密封圈36脫落 的隋形，因此，透過於該閥座3〇封閉端3彳設置該保護罩 的方式，可確保該雄·封圈36不會受到高壓氣體的吹抵而 與該閥座30相分離，不僅可提供一穩固的密封效果，且可 避免因密封圈36脫落而必須更換或維修快速接頭所需的成 本與時間，藉以構成一可防止密封圈脫落、密閉性佳且節 省成本的具防脫落效果之快速接頭者。 以上所述’僅是本創作的較佳實施例，並非對本創作 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，若在不脫離本創作所提技術方案的範圍内，利用本創 13 M442435 作所揭不技術内容所作出局部更動或修飾的等效實施例， 並且未脫離本創作的技術方案内容，均仍屬於本創作技術 方案的範圍内。 【圖式簡單說明】 圖1係本創作具防脫落效果之快速接頭第一較佳實施 例之立體外觀示意圖。 圖2係本創作具防脫落效果之快速接頭第一較佳實施 例之立體分解示意圖。 圖3係本創作具防脫落效果之快速接頭第一較佳實施馨 例之剖面側視示意圖。 圖4係本創作具防脫落效果之快速接頭第一較佳實施 例與—公接頭相結合之剖面側視示意圖。 圖5係本創作具防脫落效果之快速接頭第一較佳實施 例與一公接頭相結合之另一剖面側視示意圖。 圖6係本創作具防脫落效果之快速接頭第二較佳實施 例/、公接頭相結合之外觀侧視示意圖。 圖7係本創作具防脫落效果之快速接頭第二較佳實施鲁 例與公#頭相結合之剖面侧視示意圖。 圖8係本創作具防脫落效果之快速接頭第三較佳實施 例〃公接頭相結合之外觀侧視示意圖。 圖9係本創作具防脫落效果之快速接頭第三較佳實施 例與—公接頭相結合之剖面侧視示意圖。 圖10係本創作具㈣落效果之快速 例鱼一八社l 千又住貫把 〃 Α接頭相結合之外觀侧視示意圖。 圖11係本創作具防脫落效果之快速接頭帛四較佳實施 14 M442435 例與一公接頭相結合之剖面侧視不意圖。M442435 V. New description: [New technical field] This is a quick connector with anti-dropping effect, especially a quick connector that can prevent the seal from falling off, has good airtightness and saves cost. . [Prior Art] According to the 'existing quick coupling system for pipe connection, it is mainly provided with a body, a valve seat and an outer casing, wherein the system is formed by a combination of several cylinders, the valve seat The utility model is movably disposed in the body and is provided with a closed end, an open end, an air inlet and a sealing ring. The closed end of the valve seat is disposed adjacent to the body and connected to an air compressor. One end, the open end of the valve seat is disposed at the other end of the body for combining with a receiving port, the at least one air inlet penetrating through the outer surface of the valve seat adjacent to the closed end In the #closed end i, and the inner (4) (four) of the body can be provided with the effect of blocking gas, and the two ends of the body are not connected to each other. The outer casing system is movably sleeved at one end of the body. By pushing the outer casing to move, a male joint can be firmly combined with the open end of the valve seat for gas transportation; and the quick joint can provide the effect of quick connecting the pipe, but Existing quick connector is located at the reading The sealing ring on the closed end, when a male joint is combined with the existing quick joint, pushes the closed end of the reading seat toward the air compressor, and eclips between two seconds to make the body and the male joint Through the at least one air inlet, the high-pressure gas flow sent by the 1Xing Jiatian 5 Xuan air compressor exceeds the limit of the existing quick joints, and the sealing ring at the closed end of the 3 M442435 valve seat is caused by When the high pressure gas is blown away from the closed end of the valve seat to separate the male connector from the existing quick connector, the valve seat cannot provide a positive sealing effect. Therefore, the existing quick connector must be disassembled for maintenance, however, The cost and time required for maintenance often eliminates the use of the entire quick connector and is relatively wasteful of resources and costs. [New content] Therefore, in view of the lack and insufficiency of the existing quick joint structure and operation, this creation has finally developed a novel that can improve the existing defects through continuous experimentation and research. The main purpose of the present invention is to provide a quick joint with anti-shedding effect, which can prevent the phenomenon of detachment of the seal ring at the closed end of the valve seat by providing a protective cover, thereby providing a function of preventing the seal ring from falling off. The purpose of the quick connector with good sealing performance and cost saving with anti-shedding effect. Based on the above object, the main technical means of the present invention is to provide a quick connector with anti-dropping effect, which is provided with a body, a positioning seat, a valve seat and an outer casing, wherein: the combined end and the body are disposed An inner air inlet chamber having a combined end, a connecting end and a connecting end; the i-position seat is detachably screwed to the main body and is provided with a screw-solid end coupled with the old connecting end, and the screw a nesting end of the solid end communication, an air outlet chamber disposed at the positioning seat adjacent to the sleeve end, a plurality of spaced apart (four) positioning seats adjacent to the outer surface of the nesting end, and the knife a has a sleeve hole for positioning the bead And a return spring, the fast drinking is located between the side body and the positioning seat or the M442435 pad 27 abuts, preferably, as shown in FIG. 9, the positioning seat 2 is interposed between the screw end 21 and Each of the sleeve holes 24 is provided with a plurality of air venting holes 29 extending through the outer surface of the positioning seat 20 and communicating with the air outlet chamber 23; the wide seat 30 is movably disposed on the body 10 and the positioning seat 20 Between the closed end 31, an open end 32, a set 33. At least one air inlet 34, a set of slots 35, a sealing ring 36 and a protective cover 37, wherein the closed end 31 of the valve seat 30 is movably disposed in the air inlet chamber 13 of the body 1 The open end 32 of the valve seat 30 is disposed at the air outlet chamber 23 of the positioning seat 2, so that the outer surface of the valve seat 3 at the open end 32 can be positioned with the positioning bead of the clamping seat 20. 28, the sleeve 33 is convexly formed at the center of the closed end 31 of the valve seat 30, and the sleeve 33 is provided with a limiting plate 331 at a free end different from the closed end 31. The at least one air inlet 34 extends through the outer surface of the valve seat 3 adjacent to the closed end 31 and can communicate with the air inlet chamber 13 of the body 10 or the air outlet chamber 23 of the positioning seat 20, and the return spring is sleeved. The outer surface of the valve seat 20 is interposed between the at least one gasket 27 and the open end 32 of the valve seat 30; the sleeve groove 35 is annularly recessed outside the closed end 31 of the valve seat 30. The surface of the sleeve 33 is interposed between the sleeve 33 and the at least one air inlet 34. The sealing ring 36 is sleeved in the sleeve groove 35 and can abut against the sealing seat 27 of the positioning seat 2 The protective cover 37 is movably sleeved on the set post 33 and is provided with a closed end 371. The protective cover 37 is movably sleeved on the sleeve 33 and is disposed in a non-connected state between the air intake chamber 13 and the air outlet chamber. An open end 372, a set of openings 373 and a plurality of slots 374, the closed end 371 of the protective cover 37 is directed toward the joint end 11 of the body 1 , and the open end 372 of the protective cover 37 is covered by On the closed end 31 of the valve seat 30, the sleeve 373 is inserted through the closed end 371 of the protective cover 37 and is sleeved on the sleeve 33 so that the protective cover 37 is located at the limiting plate 331 and the Between the closed ends 31 of the valve seat 30, each of the slots 374 is spaced through the closed end 371 of the protective cover 37 and communicates with the sleeve 373, so that the protective cover 37 is configured by the structure of the plurality of slots 374. The closed end 371 of the protective cover 37 at the periphery of the sleeve 373 has an elastically deformable feature, so that the protective cover 37 can be deformed to pass through the limiting plate 331 and sleeved on the sleeve 33; The outer casing 40 is movably sleeved on the positioning base 2 and is provided with a spring groove 41, a limiting ring groove 42 and a push a spring 43, wherein the spring groove 41 is recessed on the inner surface of one end of the outer casing 4 and sleeved on the positioning seat 20, and the limiting ring groove 42 is annularly recessed on the outer casing 4 Corresponding to each of the sleeve holes 24 of the positioning seat 20, the positioning beads 28 are rollably disposed in the sleeve holes 24 and the limit ring groove 42 so that the peripheral body 40 is movably The urging spring 43 is sleeved on the outer surface of the positioning seat 20 and the two ends are respectively abutted between the positioning seat 20 and the spring groove 41. Referring to FIG. 3, the first preferred embodiment of the quick connector with the anti-dropping effect of the present invention is used. When the valve seat 3〇 is pushed by the return spring 25, the closed end 31 of the valve seat 30 is not used. Abutting against the at least one gasket 27, the body 10 and the positioning seat 2 are in a gas-breaking state, and then, when the combined end of the body 10 is connected to an air compressor (not shown) When combined, as shown in FIG. 4, when a male joint 60A having an annular engagement groove 61A is moved against the body 1〇 and the positioning seat 2〇 without pushing the valve seat 3A, the air compressor is received by the air compressor. The action of the high pressure gas pushes the closed end 31 of the valve seat 30 tightly to the corresponding sealing gasket 27 without venting 10 M442435 gas, and at the same time, the deformable companion 夂 97 97 guarantee 5 The vine cover 37 is pushed by the high-pressure gas of the empty machine, and will be twisted relative to the sleeve 6 and the column 33 to move toward the closed end 31 of the valve seat 3〇, so that the protective cover 37 is flat as shown in FIG. It does not abut against the gasket 27 and is wrapped on the outside of the sealing ring 36 to prevent the sealing ring from being buckled on the body 1G. When the air compressor is connected to the air compressor, the phenomenon of falling off due to the high pressure gas; please refer to FIG. 5, when the male connector 60 having the annular engaging groove 61Α pushes the dragon 30 relative to the body and the positioning seat (7) When moving, at least the air inlet 34 of the valve seat 30 communicates with the air inlet chamber 13 of the body 1'. When the engaging groove 61 of the male joint 6〇Α moves to the respective hole of the positioning seat 20 At 24 o'clock, each of the positioning beads 28 moves in the direction of the engaging groove 61, and the outer casing 40 is pushed in the direction of the male joint 60A by pushing against the spring f43, so that the positioning beads 28 are stuck thereto. Between the engaging groove 61A of the male connector (10) and the inner surface of the outer casing 4, the male connector 60A can be firmly coupled with the positioning seat 2A; when the male connector 60A passes through the positioning beads 28 When combined with the positioning seat 2〇, the closed end 31 of the valve seat 30 will move toward the coupling end 11 of the body 1〇, and thus the at least one air inlet 34 of the valve seat 3〇 and the inlet chamber 1 3 is in a ventilated state, that is, the plugging operation of the male connector 6〇A is completed, at this time, the high pressure generated by the air compressor The gas can enter the male joint 6A through the inlet chamber 13 of the body 1 and the valve seat 30. At this time, the protective cover 37 located at the inlet chamber 13 is subjected to high pressure gas pushing. Closely covering the outside of the sealing ring 36 can effectively prevent the sealing ring 36 from being produced by the high-pressure gas when the quick connector and the male connector 60A are connected to the air compressor. In addition, when the quick connector When not connected to the air compressor M442435, the protective cover 37 is separated from the seal ring 36 by elastic deformation as shown in FIG. In addition, as shown in FIGS. 6 and 7, the second preferred embodiment of the quick connector having the anti-drop effect of the present invention is combined with another male connector 60B having the annular engagement groove 61 B. The first preferred embodiment of the quick connector having the anti-dropping effect of the present invention is the same as the quick connector, the male connector 60B is connected to the air compressor for the delivery of the high pressure gas, and the air inlet chamber 13 is located at the air inlet chamber 13 The protective cover 37 is also tightly covered by the high-pressure gas to cover the outside of the sealing ring 36, and the sealing cymbal 36 can be effectively prevented from falling off during the process of conveying the high-pressure gas. Furthermore, in conjunction with the third preferred embodiment of the quick connector having the anti-drop effect shown in FIGS. 8 and 9, in combination with another male connector 60C having the annular engagement groove 61 C, the operation steps are as follows. The first and second preferred embodiments are the same as the quick connector of the present invention, wherein the quick connector and the male connector 60C are connected to the air compressor for the delivery of high pressure gas, and the air inlet is located in the air inlet chamber. The protective cover 37 at 13 is also pressed by the high-pressure gas to closely cover the outside of the sealing ring 36, which can effectively prevent the sealing ring 36 from falling off during the process of conveying the high-pressure gas. In addition, as shown in FIG. 10 and FIG. 1 , the fourth preferred embodiment of the quick connector having the anti-dropping effect is combined with another male connector 60D having the annular engagement groove 61D. It is the same as the above-described preferred embodiment of the quick joint having the anti-dropping effect of the present invention, wherein the quick joint and the male joint 60D are connected to the line compressor for the delivery of the high pressure gas, the located at the inlet chamber 13 The protective cover 37 is also tightly covered by the high-pressure gas and is tightly covered outside the sealing ring 36, so that the 12 M442435 and the sealing ring 36 can be prevented from falling off during the process of conveying the rolling gas. According to the above technical means, when the quick joint with the anti-dropping effect is combined with the air compressor, when the male joint is tender, _, 60C 6GD does not push the valve seat 3Q, the protective cover is subjected to high pressure. The pushing of the gas against the at least the sealing pad 27 and covering the outer casing 卩' of the sealing ring 36 not only ensures that the sealing ring 36 encloses the body 1 〇 inlet chamber - the cocking seat 20 is vented The passage between the chambers 23 can avoid the situation that the sealing ring, such as ▲, is removed due to high pressure gas, thereby affecting the sealing effect of the quick joint, and when the male joints are 6〇A, 6〇B, 6〇c, 6〇 When the valve seat 3 is pushed to carry out the delivery of the same pressure gas, the protective cover 37 can be pushed against the high pressure gas and/or tightly disposed on the outside of the sealing ring, thereby avoiding the sealing ring 36 from being transported. The phenomenon of falling off during the process of still pressing gas; in addition, when the flow rate of the high-pressure gas sent by the air compressor exceeds the limit that the quick joint can withstand, the protective cover 37 can provide further protection effect, so that the fast The joint in the high pressure gas flow exceeds the quick connection At the limit that can be withstood, the use can be carried out without causing the seal 36 to fall off. Therefore, the protective cover can be provided through the closed end 3 of the valve seat 3 to ensure the male seal. 36 is not separated from the valve seat 30 by the high pressure gas, which not only provides a stable sealing effect, but also avoids the cost and time required to replace or repair the quick connector due to the falling of the sealing ring 36. The utility model relates to a quick connector which can prevent the sealing ring from falling off, has good airtightness and is cost-saving, and has an anti-dropping effect. The above description is merely a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Anyone having ordinary knowledge in the technical field may use the present invention without departing from the scope of the technical solution proposed by the present invention. </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view showing the first preferred embodiment of the quick connector having the anti-dropping effect. Fig. 2 is a perspective exploded view showing the first preferred embodiment of the quick joint having the anti-shedding effect of the present invention. Fig. 3 is a cross-sectional side elevational view showing the first preferred embodiment of the quick joint of the present invention. Fig. 4 is a cross-sectional side elevational view showing the first preferred embodiment of the quick connector with the anti-dropping effect of the present invention combined with the male connector. Fig. 5 is a side elevational view, partly in section, of the first preferred embodiment of the quick connector having the anti-drop effect of the present invention in combination with a male connector. Fig. 6 is a side view showing the appearance of the second preferred embodiment/the male connector of the quick connector having the anti-dropping effect. Fig. 7 is a cross-sectional side elevational view showing the second preferred embodiment of the quick joint of the present invention with the anti-dropping effect. Fig. 8 is a side view showing the appearance of a quick joint of the present invention with a detachable effect. Fig. 9 is a cross-sectional side elevational view showing a third preferred embodiment of the quick joint having the anti-dropping effect of the present invention in combination with a male joint. Fig. 10 is a schematic view of the appearance of the creation of the (four) falling effect of the example of the fish, the eight thousand and one thousand and the joint of the 〃 Α joint. Fig. 11 is a quick joint for preventing the falling off effect of the present invention. Fourthly, a preferred embodiment of the M442435 example is combined with a male joint.
【主要元件符號說明】 10本體 11 結合端 12 連接端 121 外螺紋 122 内螺紋 13 進氣室 14 卡合環 15 外螺紋 16 卡設槽 20 定位座 21 螺固端 211 内螺紋 212 外螺紋 22 套入端 23 出氣室 24 套設孔 25 復位彈簧 26 卡設槽 27 密封墊 28 定位珠 29 洩氣扎 30 閥座 31 封閉端 32 開放端 33 套設柱 331 限位板 34 進氣口 35 套設槽 36 密封圈 37 保護罩 371 封閉端 372 開口端 373 ，套設口 374 開槽 40 外殼體 41 彈簧槽 42 限位環槽 43 推抵彈簧 60A，60B，60C，60D 公接頭 61A，61B，61C，61D 卡合槽[Main component symbol description] 10 body 11 joint end 12 connection end 121 external thread 122 internal thread 13 inlet chamber 14 snap ring 15 external thread 16 clamping groove 20 positioning seat 21 screw end 211 internal thread 212 external thread 22 sets Inlet 23 Outlet chamber 24 Set hole 25 Reset spring 26 Pull groove 27 Seal 28 Positioning bead 29 Bleed tie 30 Seat 31 Closed end 32 Open end 33 Set post 331 Limiting plate 34 Inlet 35 Groove 36 sealing ring 37 protective cover 371 closed end 372 open end 373, sleeve 374 slot 40 outer housing 41 spring slot 42 limit ring groove 43 push spring 60A, 60B, 60C, 60D male connector 61A, 61B, 61C, 61D snap groove