200821467 九、發明說明·· 【發明所屬之技術領域】 本發明主要係揭不-種打氣筒，尤指具有安全裝置而 可自動保持氣壓之打氣筒者。 【先前技術】 ^按，目前生活上許多用品皆需要利用打氣筒來進行充 氣’而針對不同的物品需要有不同的壓力，故一般傳統的 ^氣筒無法_設定所需壓力的效果，且亦無法依照不同 場合環境來改變灌充氣體時之壓力限制，使用上較不方便。 再者，對於某些大型打氣筒，其活塞桿往復運動時會 產生相當高的氣縣力’若是待統物或是打氣筒軟管銜 接:位、°5之結構不良’則谷易發生無法承受壓力而爆開 或彈開的危險，很有可能造成人員受傷的問題。 除此之外，習知打氣筒上要另行加裝其他安全裝置 時，最常碰到的問題就是結構複雜、或是零組件過多的問 題，而如此即會有產品單價過高的問題，亦會發生打氣筒 壽=較短的缺點。更誇張的，還有可能設計出一些根 法實施或是無法供消費者方便使用的產品，相當不^產^ 利用。 有鑑於上述習知結構之缺失，本發明人乃發明出一種 『具女全裝置之打㈣』，其係可克服上述習知結構之所 有缺點。 200821467 【發明内容】 相當不符 本發明『具安全裝置之打氣筒』所欲解決之技術問題 里、於’-般傳統的打氣筒無法達到設定所需虔力的效 ’且亦無法賴不料合環境纽變灌絲體時之堡力 限制，錢上較不錢。再者，對於料打氣筒，发 ，塞桿往錢_會赵相當高賴聽力，若是待充氣 物或是打氣紐管_雜結合之結構q，則容易發生 :法承受壓力而爆開或彈開的危險，报有可能造成人員受 壯的問題除此之外’習知打氣筒上要另行加裝其他安全 衣置最彳㈣的問題就是結構複雜、或是零組件過多 的問題’而如此即會有產品單價過高的問題，亦會發生打 氣筒壽命較短的缺點。更誇張的，還有可能設計出一雜 本無法實施或是無法供料者枝使 產業利用。 _本發Ί具安全裝置之打氣筒』，其包括有-筒體單 元抓路單元與—安全裝置；該筒體單元包括有一筒身 2::!體’該筒身兩端之間形成一氣體壓縮路徑，該桿體 3端°又握把’而該桿體異於握把之-端則設-活塞，該 桿體之活塞射錢體壓祕㈣往紐移者；該流路單 元具有第端與第二端，其第—端係連接於筒體單元，並 且與氣體壓縮路#相通連，該祕單元之第二端則可銜接 待充氣物；該安轉置健設於該祕單元上，係供設定 所需之灌充壓力’並自動將流路單元内之氣壓縣在所設 定之壓力範圍内者。 200821467 描述二的附:::::明的新穎一下詳細的 【實施方式】 杜奋有關本&明崎用之技術、手段及其功效，兹舉一較 ％例並配σ圖式詳述如後，此僅供說明之用，在專利 申明上並不X此種結構之限制。 茶’、、、圖⑽與圖二，本發明之打氣筒包括—筒體單元 10 *路單70 2G與-安全裝置30(如圖三）；該流路單 ^ 2〇連接於㈣單㈣，崎安全裝置30絲設於流路 單兀20上’且可供設定壓力，並自動保持所設定之氣體壓 力者。其中： 該筒體單元10包括有一桿體u與—筒身12，該桿體 11 一端設有一握把13,而該桿體11相反於握把13之-端 則設有-活塞14。該筒身12具有第—端㈣二端，其第 -端係供該龍11穿設於内，城筒身12兩端之間形成 一氣體壓縮路徑121，以供桿體Η之活塞14於内往復滑 移以灌充氣體者。 該流路單元20係連接於筒體單元1〇，用以接受筒體 單元10所壓縮的氣體，以將氣體輸送至待充氣物（圖中未 示）内者。該流路單元20包括有一座體21、一樞轉件22、 一軟管23與一風嘴頭24。該座體21係連接於筒身12的 第二端，且该座體21開設有一橫向延伸且與筒身I〗内的 氣體壓縮路121徑相連通的樞接孔2Π。該樞轉件22之一 7 200821467 端形成有一樞接部221，該樞接部221係樞設於座體21之 樞接孔211内，以使該樞轉件22可與該座體21之間產生 相對之旋轉關係者。該樞轉件22内設有一氣道222，該氣 遏222係藉由一貫穿樞接部221之通孔223而與座體21 之樞接孔211相通連者。該軟管23 一端係嵌設於該柩轉件 22相反於樞接部221的一端，以與氣道222相通連者。 一參照圖三至圖五，為本發明的第一個實施例，該風嘴 頭，之一端係嵌接於軟管23相反於樞轉件22(如圖一〉的 一端。且該風嘴頭24内設有一供氣體流通之通道241，且 該通道241係與軟管23相通連者。 =流路單元2Q開設有—容置槽4G，該容置槽4〇係設 Μ-頭24之一侧，且該容置槽40開設有一穿孔41而與 風鳴頭24之通道日道、s ^ 卢报w 該容置槽40與穿孔41交接 處幵/成有錐狀之承面42。而哕宜番播μ 螺紋43者。 槽40之開放端則設有 該安全裝置3〇係裝設於兮交 需壓力，並提供灌充m槽40内，可供設定所 者。轉八^ 祕保持在設定壓力内之功能 彈性體33。該頂掣件31 件31、一調整件32與一 面42以料〜t 心置槽40内’且接觸於承 乂成乳抢關係。該頂掣件 311而得以與容置槽4〇内之 係形成有錐狀之表面 W於錐狀之表面311上環設有—〇4^接觸者。擎件 之氣密效果。 /衣312，以提供更佳 該調整件32係於外周設有螺紋如而得以螺接於容置 8 200821467 槽40内的螺紋43處。且該調整件32中心 T以供容置槽40内之氣體翻至大氣者整=孔 外側並設有一調整部323以供如一字起子之工1 件32 該彈性體33係設於該轉件31與調整件 撥= 供一彈性頂撐之力者。]用以扣 參照圖六與圖七，為本發明的使用狀態圖。當風嘴頭 24銜接於待充氣物（圖中未示）時，即可進行灌充之動作，、 將氣體打人待充氣物内。此時流路單元2Q與待充氣物之間 係形成-密閉空間，故内部氣壓相同。持續的進行灌充： 作，當流路單元20與待充氣物内部氣壓大於安全枣置別 所設定之壓力時，安全裝置3G的彈性體33將受到氣體壓 力而破壓縮，通道241内之氣體將自穿孔41處推開頂擎件 =，並流經容置槽40與調整件32的洩氣孔322而排至大 氣中’直至流路單元20與待充氣物内部氣壓回復至安全裝 ，30所設定之壓力時，彈性體33再次把頂掣件31抵壓在 谷置槽40的承面42上，達到氣密的效果。此時流路單元 2〇與待充氣物内部氣壓即為安全裝置3〇所設定之壓力。 參照圖八’為本發明調整安全裝置4〇不同設定壓力之 狀態圖。當撥轉調整件32之後，即可控制彈性體33之頂 撐力，使頂掣件31接觸於承面42之力量增大（或減少）， 以達到調整安全裝置30設定壓力的效果。 參照圖九與圖十，為本發明的第二個實施例。本實施 例大致上與前述實施例相同，其差異處係在於該容置槽40 所設置之位置不同，但該容置槽40仍然設置於流路單元 9 200821467 20上。 該流路單元20開設有一容置槽4〇，該容置槽40係設 於樞轉件22之一側，且該容置槽4〇開設有一穿孔41而與 樞轉件22之氣道222相導通。該容置槽4〇與穿孔41交接 處形成有錐狀之承面42。該安全裝置30則設於該容置槽 40内。 ^田進行灌充之動作時，流路單元2〇與待充氣物内部氣 £大於安全裝置3〇所設定之壓力，安全裝置3〇的彈性體 33將又到氡體壓力而被壓縮，氣道Μ?内之氣體將自穿孔 41處推開頂掣件31而排至大氣中，直至流路單元2〇與待 充氣物内部氣壓回復至安全裝置30所設定之壓力時，彈性 體3再大把頂掣件μ抵壓在容置槽4〇内達到氣密的效 果。此時流路單元20與待充氣物内部氣壓即為安全裝置 30所設定之壓力。 參照圖十一與圖十二，為本發明的第三個實施例。本 實施例大致上與前述實施例相同，其差異處係在於該容置 槽40所設置之位置不同，但該容置槽仍然設置於流路 單元20上。 該流路單元2〇開設有一容置槽40，該容置槽40係設 於座體21上，且該容置槽4〇開設有一穿孔41而與座體 21之樞接孔211相導通。該容置槽40與穿孔41交接處形 成有錐狀之承面42。該安全裝置30則設於該容置槽40内。 當進行灌充之動作時，流路單元20與待充氣物内部氣 壓大於安全裝置30所設定之壓力，安全裝置30的彈性體 200821467 33將受到氣體壓力而被壓縮，樞接孔211内之氣體將自穿 孔41處推開頂掣件31並排至大氣中，直至流路單元2〇 與待充氣物内部氣壓回復至安全裝置3〇所設定之壓力 牯’彈性體33再次把頂掣件31抵壓在容置槽4〇内達到氣 密的效果。此時流路單元2〇與待充氣物内部氣壓即為安全 裝置30所設定之壓力。 就以上所述可以歸納出本發明具有以下之優點： 1·本發明『具安全裝置之打氣筒』，其中設於流路單 凡上的安全裝置可供設定所需要之壓力，只要在風嘴頭上 外接一壓力錶即可測得壓力，使用上相當方便，且安全裝 置可自動保持流路單元與待充氣物内部壓力恆在設定範圍 内。 2·本發明『具安全裝置之打氣筒』，其中設於流路單 =上的安全裝置結構簡單，且零組件亦相當的少，無需在 μ路單元上加設其他結構，僅需開設一容置槽即可輕易的 組裝安全裝置，為一相當符合產業利用之設計者。 一 3·本發明『具安全裝置之打氣筒』，其中設於流路單 70上的安全裝置，可以是設在風嘴頭上、或是設在座體上、 亦可以設在轉件上，乡種不_實施方式，可增加產品 的市場普遍性與適應能力，為一極具進步性之設計者。 一由疋觀之，本發明極具產業上利用價值；且又未見有 相同或&員似之發明出現於國内外刊物或公開使用，實已符 S專利法規定之積極及消極要件，理應准予發明專利。 惟上所述者，僅為本發明之較佳實施例而已，當不能 11 200821467 以之限定本發明實施之範圍，故舉凡數值之變更或等效元 件之置換，或依本發明申請專利範圍所作之均等變化與修 ; 飾，皆應仍屬本發明專利涵蓋之範疇。 【圖式之簡要說明】 圖一：為本發明之外觀圖。 圖二：為本發明之局部剖面圖。 圖三：為本發明之局部剖面圖。 圖四：為本發明安全裝置之立體外觀圖。 圖五：為本發明安全裝置之立體分解圖。 圖六：為本發明第一個實施例之使用狀態圖。 圖七：為本發明第一個實施例之使用狀態圖。 圖八：為本發明調整安全裝置之狀態圖。 圖九：為本發明第二個實施例之使用狀態圖。 圖十：為本發明第二個實施例之使用狀態圖。 圖十一：為本發明第三個實施例之使用狀態圖。 圖十二：為本發明第三個實施例之使用狀態圖。 【主要元件符號說明】 11桿體 121氣體壓縮路徑 14 活塞 21座體 22 樞轉件 10筒體單元 12筒身 13 握把 20 流路單元 211樞接孔 12 200821467 221 柩接部 222 氣道 223 通孔 23 軟管 24 風嘴頭 241 通道 30 安全裝置 31 頂掣件 311 表面 312 0形環 32 調整件 321 螺紋 322 洩氣孔 323 調整部 33 彈性體 40 容置槽 41 穿孔 42 承面 43 螺紋 13200821467 IX. OBJECT DESCRIPTION OF THE INVENTION · Technical Field of the Invention The present invention mainly discloses a pump, especially a pump having a safety device and automatically maintaining air pressure. [Prior Art] ^Press, many products in life need to use the pump to inflate', and different pressures are required for different items. Therefore, the conventional gas pump cannot set the effect of the required pressure, and it cannot It is inconvenient to use to change the pressure limit when filling the inflatable body according to different occasions. In addition, for some large-sized inflators, when the piston rod reciprocates, it will produce a relatively high gas force. 'If the unit is to be integrated or the hose hose is connected: the position is poor, the structure of °5 is not good. The danger of bursting or popping under pressure is likely to cause personal injury. In addition, when the other safety devices are separately installed on the conventional pump, the most common problem is the complicated structure or the excessive number of components, and thus the problem that the product unit price is too high, There will be shortcomings in pump life = shorter. More exaggerated, it is also possible to design some products that are implemented by the roots or are not convenient for consumers to use. In view of the above-described lack of the conventional structure, the inventors have invented a "female device" (4) which overcomes all the disadvantages of the above-mentioned conventional structure. 200821467 [Summary of the Invention] It is quite inconsistent with the technical problem that the "inflator with safety device" of the present invention is to solve the problem that the conventional pump cannot achieve the required force and can not be compared with the environment. When the button is tightened, it is less expensive. In addition, for the material pump, hair, plug to the money _ will Zhao quite high hearing, if it is to be inflated or inflated _ mixed structure q, it is easy to happen: the law is under pressure to burst or bomb The danger of opening up, the possibility of causing the person to be strong, in addition to the problem, the other problem is that the other equipment (the fourth) is complicated by the complicated structure or too many components. That is, there will be a problem that the unit price of the product is too high, and the short life of the pump will also occur. Even more exaggerated, it is also possible to design a waste that cannot be implemented or that cannot be fed to the industry. The pump of the safety device of the present invention comprises a cylinder unit and a safety device; the cylinder unit comprises a barrel body 2::! body formed between the two ends of the barrel body The gas compression path, the rod body 3 end ° grips 'and the rod body is different from the grip end - the end is set - the piston, the rod body of the piston injection body pressure secret (four) to the new shift; the flow path unit The first end and the second end have a first end connected to the barrel unit and connected to the gas compression road #, and the second end of the secret unit can receive the inflator; the safety transposition is set in the On the secret unit, it is used to set the required filling pressure' and automatically set the pressure county in the flow path unit within the set pressure range. 200821467 Description of the second: :::: Ming's novelty and detailed [Embodiment] Du Fen's technology, means and efficacy of this & Mingzaki use, a more detailed example with σ schema details For the sake of illustration, this is for illustrative purposes only and is not limited by the structure of the patent. Tea ',,, (10) and FIG. 2, the pump of the present invention comprises a cylinder unit 10 * a road single 70 2G and a safety device 30 (see FIG. 3); the flow path is connected to the (four) single (four) The Saki safety device 30 is provided on the flow path unit 20' and is capable of setting the pressure and automatically maintaining the set gas pressure. Wherein: the barrel unit 10 comprises a rod body u and a barrel body 12, the rod body 11 is provided with a grip 13 at one end, and the rod body 11 is provided with a piston 14 opposite to the end of the grip 13. The barrel body 12 has a first end (four) two ends, the first end of which is provided for the dragon 11 to be penetrated therein, and a gas compression path 121 is formed between the two ends of the city tubular body 12 for the piston 14 of the rod body to be Reciprocating slip inside to fill the inflatable body. The flow path unit 20 is connected to the barrel unit 1A for receiving the gas compressed by the barrel unit 10 to deliver the gas to the object to be inflated (not shown). The flow path unit 20 includes a body 21, a pivoting member 22, a hose 23 and a tuyeres 24. The base body 21 is connected to the second end of the tubular body 12, and the base body 21 defines a pivot hole 2Π extending transversely and communicating with the gas compression path 121 in the barrel body. A pivoting portion 221 is formed in one end of the pivoting member 22, and the pivoting portion 221 is pivotally disposed in the pivot hole 211 of the base body 21 so that the pivoting member 22 can be coupled to the base body 21. A relative rotation relationship is generated. An air passage 222 is disposed in the pivoting member 22, and the air damper 222 is connected to the pivot hole 211 of the base body 21 through a through hole 223 extending through the pivoting portion 221 . One end of the hose 23 is embedded at one end of the rotating member 22 opposite to the pivoting portion 221 to communicate with the air passage 222. Referring to FIG. 3 to FIG. 5, in the first embodiment of the present invention, one end of the tuyeres is engaged with the end of the hose 23 opposite to the pivoting member 22 (FIG. 1). A passage 241 for gas circulation is provided in the head 24, and the passage 241 is connected to the hose 23. The flow path unit 2Q is provided with a receiving groove 4G, and the receiving groove 4 is provided with a head-head 24 One side, and the accommodating groove 40 defines a through hole 41 and a channel of the wind head 24, s ^ 卢 w 该 the accommodating groove 40 and the hole 41 at the intersection 幵 / tapered face 42 The open end of the slot 40 is provided with the safety device 3, which is installed in the 兮 兮 需 , , , , , , , , , , , 。 。 。 。 。 。 。 。 。 。 。 。 。 。 ^ The functional elastic body 33 is kept within the set pressure. The top member 31, 31, and the adjusting member 32 and the one side 42 are placed in the groove 40 and are in contact with the bearing. The shank 311 is formed with a tapered surface W in the accommodating groove 4 W. The tapered surface 311 is provided with a contact with the 〇 4^. The airtight effect of the shovel is provided. More preferably, the adjusting member 32 is provided with a thread on the outer circumference to be screwed into the thread 43 of the receiving portion 80 200821467. The center T of the adjusting member 32 is used to turn the gas in the receiving groove 40 to the atmosphere. The outer side of the hole is provided with an adjusting portion 323 for a piece of work such as a screwdriver. The elastic body 33 is disposed on the rotating member 31 and the adjusting member for the force of an elastic top support. Fig. 6 and Fig. 7 are diagrams showing the state of use of the present invention. When the tuyeres 24 are engaged with the objects to be inflated (not shown), the filling operation can be performed to inflate the gas into the inflated objects. At this time, a closed space is formed between the flow path unit 2Q and the object to be inflated, so that the internal air pressure is the same. Continuous filling is performed: when the internal pressure of the flow path unit 20 and the object to be inflated is greater than the pressure set by the safe date setting The elastic body 33 of the safety device 3G will be compressed by the gas pressure, and the gas in the passage 241 will be pushed away from the through hole 41 to the top plate member, and flow through the accommodating groove 40 and the vent hole 322 of the adjusting member 32. To the atmosphere' until the flow unit 20 and the internal gas pressure of the object to be inflated return to the safety device When the pressure is set at 30, the elastic body 33 again presses the top jaw 31 against the bearing surface 42 of the valley groove 40 to achieve an airtight effect. At this time, the flow path unit 2 and the internal air pressure of the object to be inflated are The pressure set by the safety device 3〇. Referring to Fig. 8' is a state diagram of adjusting the safety device 4 to different set pressures. When the adjustment member 32 is turned, the top support force of the elastic body 33 can be controlled to make the top support The force of the contact 31 contacting the bearing surface 42 is increased (or decreased) to achieve the effect of adjusting the set pressure of the safety device 30. Referring to Figures 9 and 10, a second embodiment of the present invention is provided. The difference in the foregoing embodiment is that the position of the accommodating groove 40 is different, but the accommodating groove 40 is still disposed on the flow path unit 9 200821467 20 . The accommodating slot 40 is disposed on one side of the pivoting member 22, and the accommodating slot 4 defines a through hole 41 to be opposite to the air passage 222 of the pivoting member 22. Turn on. A tapered bearing surface 42 is formed at the intersection of the receiving groove 4 and the through hole 41. The safety device 30 is disposed in the accommodating groove 40. When the field is filled, the flow unit 2〇 and the internal gas to be inflated are larger than the pressure set by the safety device 3〇, and the elastic body 33 of the safety device 3〇 is compressed again to the body pressure, and the air passage is compressed. The gas in the crucible will be pushed out of the perforation 41 and discharged into the atmosphere until the flow unit 2〇 and the internal gas pressure of the object to be inflated return to the pressure set by the safety device 30, and the elastic body 3 is further large. The top member μ is pressed against the receiving groove 4 to achieve an airtight effect. At this time, the internal pressure of the flow path unit 20 and the object to be inflated is the pressure set by the safety device 30. Referring to Figures 11 and 12, a third embodiment of the present invention is shown. The embodiment is substantially the same as the previous embodiment, and the difference is that the position of the accommodating groove 40 is different, but the accommodating groove is still disposed on the flow path unit 20. The accommodating slot 40 is disposed on the base body 21, and the accommodating slot 4 defines a through hole 41 to be electrically connected to the pivot hole 211 of the base body 21. The accommodating groove 40 and the through hole 41 are formed to have a tapered bearing surface 42. The safety device 30 is disposed in the accommodating groove 40. When the charging operation is performed, the internal pressure of the flow path unit 20 and the object to be inflated is greater than the pressure set by the safety device 30, and the elastic body 200821467 33 of the safety device 30 is compressed by the gas pressure, and the gas in the pivot hole 211 is compressed. Pushing the top jaw 31 from the perforation 41 and discharging it to the atmosphere until the flow path unit 2 〇 and the internal air pressure of the object to be inflated return to the pressure set by the safety device 3 牯 'the elastic body 33 again hits the top element 31 Pressing in the receiving groove 4〇 achieves the effect of airtightness. At this time, the internal pressure of the flow path unit 2 and the object to be inflated is the pressure set by the safety device 30. It can be summarized from the above that the present invention has the following advantages: 1. The present invention "air pump with safety device", wherein the safety device disposed on the flow path can be used to set the required pressure, as long as the wind nozzle The pressure is measured by an external pressure gauge on the head, which is quite convenient to use, and the safety device can automatically keep the internal pressure of the flow path unit and the object to be inflated within a set range. 2. The invention relates to a "gas pump with safety device", wherein the safety device arranged on the flow path single= has a simple structure and relatively few components, and it is not necessary to add another structure on the μ road unit, and only one need to be opened. It is easy to assemble the safety device by accommodating the groove, and it is a designer who is quite suitable for industrial use. The invention relates to a "air pump with a safety device", wherein the safety device arranged on the flow path unit 70 can be arranged on the air nozzle head, or on the seat body, or can be arranged on the rotating piece. The non-implementation method can increase the market universality and adaptability of the product, and is a highly progressive designer. As a result of the observation, the present invention is extremely industrially useful; and it has not been found that the same or & member-like inventions appear in domestic and foreign publications or in public use, and have already met the positive and negative requirements of the S patent law. It is reasonable to grant invention patents. The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited to the scope of the present invention, so that the numerical value is changed or the equivalent element is replaced, or according to the scope of the patent application of the present invention. Equal changes and repairs; decoration, should still fall within the scope of the invention patent. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an external view of the present invention. Figure 2 is a partial cross-sectional view of the present invention. Figure 3 is a partial cross-sectional view of the present invention. Figure 4 is a perspective view of the security device of the present invention. Figure 5 is an exploded perspective view of the safety device of the present invention. Figure 6 is a diagram showing the state of use of the first embodiment of the present invention. Figure 7 is a diagram showing the state of use of the first embodiment of the present invention. Figure 8 is a state diagram of the adjustment safety device of the present invention. Figure 9 is a view showing the state of use of the second embodiment of the present invention. Figure 10 is a diagram showing the state of use of the second embodiment of the present invention. Figure 11 is a view showing the state of use of the third embodiment of the present invention. Figure 12 is a view showing the state of use of the third embodiment of the present invention. [Main component symbol description] 11-rod 121 gas compression path 14 Piston 21 seat body 22 Pivot member 10 Cylinder unit 12 barrel 13 Grip 20 Flow path unit 211 pivot hole 12 200821467 221 部 222 air passage 223 Hole 23 Hose 24 Air nozzle 241 Channel 30 Safety device 31 Top member 311 Surface 312 0 ring 32 Adjustment member 321 Thread 322 Vent hole 323 Adjustment portion 33 Elastomer 40 accommodating groove 41 Perforation 42 Bearing surface 43 Thread 13