TWM554512U - Two-way inflation pump - Google Patents

Abstract

一種雙向打氣筒，可將氣體送到一個待充氣物，並包含一個筒座、一個打氣機構，以及一個洩氣切換座。該筒座具有一個筒壁，以及一個儲氣空間，該筒壁具有一個洩氣孔，而該打氣機構具有一個將該儲氣空間區隔成一個第一氣室及一個第二氣室的活塞單元，以及一個帶動該活塞單元升降的活塞桿，該第一氣室與該洩氣孔連通，該洩氣切換座具有一個利用旋轉來關閉及打開該洩氣孔的調整件，前述打氣筒除了可以雙向打氣之外，亦可藉由簡單的結構及操作控制該打氣筒的打氣阻力，以提高該打氣筒使用的方便性。A two-way pump that delivers gas to an object to be inflated and includes a cartridge holder, an aspiration mechanism, and a venting switch. The cartridge seat has a cylinder wall and a gas storage space, the cylinder wall has a venting hole, and the blasting mechanism has a piston unit that partitions the gas storage space into a first plenum and a second plenum And a piston rod that drives the piston unit to lift and lower, the first air chamber is in communication with the air leakage hole, and the air leakage switching seat has an adjusting member that uses rotation to close and open the air leakage hole, and the air pump can be inhaled in both directions. In addition, the pumping resistance of the pump can be controlled by a simple structure and operation to improve the convenience of use of the pump.

Description

雙向打氣筒Two-way pump

本新型是關於一種打氣筒，特別是指一種可以在活塞桿移動的過程中達到雙向打氣目的，以產生大氣量的雙向打氣筒。The present invention relates to an inflator, and more particularly to a two-way inflator that can achieve two-way airing during the movement of the piston rod to generate an atmosphere.

一般打氣筒大致可依打氣方式不同，區分為單向打氣筒及雙向打氣筒，其中，雙向打氣筒是在活塞桿上升及下降的過程中都可以進行打氣，故打氣量大，適合運用在例如：氣墊床、救生筏等等需要大充氣量的待充氣物上，由於其打氣量高於單向打氣閥，故又稱為大氣量打氣筒。Generally, the pump can be roughly divided into a one-way pump and a two-way pump according to the way of pumping. The two-way pump can be pumped up during the process of ascending and descending the piston rod, so the air pumping amount is large, and is suitable for use in, for example, Air mattresses, life rafts, etc., which require a large amount of inflation, are also called atmospheric pumps because they have a higher air pumping capacity than a one-way air valve.

雖然雙向打氣筒具有充氣量大的功效，但是一般雙向打氣筒在使用時，筒座是擺放在地面，使用者的雙腳需要踩踏在由該筒座往徑向延伸的兩個踏板上，當使用者施力下壓該活塞桿時，由於施力方向與將該筒座下抵於地面作用力相同，故操作順利，可是當該活塞桿被往上拉高時，由於上拉的力量與將該筒座壓抵於地面的作用力相反，故使用者除了需要用力踩住該等踏板外，也可需要克服將氣體灌入該待充氣物內部的阻力，此種情況在充氣的初期由於該待充氣物內部的壓力值低，故操作上還算順利，可是當該待充氣物內部的氣壓值接近飽和時，使用者必需付出更大的力量，才能克服上升打氣的阻力。Although the two-way pump has a large inflation effect, when the two-way pump is in use, the sleeve is placed on the ground, and the user's feet need to be stepped on the two pedals extending radially from the sleeve. When the user presses down the piston rod, the force is smooth because the direction of the force is the same as the force of the cylinder seat under the ground, but when the piston rod is pulled up, due to the pulling force In contrast to the force that presses the base against the ground, the user may need to overcome the resistance to inject gas into the interior of the object to be inflated, in addition to the need to force the pedals, which is the initial stage of inflation. Since the pressure inside the object to be inflated is low, the operation is smooth, but when the pressure value inside the object to be inflated is close to saturation, the user must pay more force to overcome the resistance of rising air.

為了克服雙向打氣筒在打氣後期所產生阻力大的問題，EP3163077A1發明專利公開一種雙向打氣筒，其係於筒座的底部設置一個洩氣裝置，利用該洩氣裝置在該活塞桿上升的過程中關閉打氣功能，可以達到降低打氣後期上拉的阻力。雖然前述發明專利可以讓雙向打氣筒在操作上更為順暢，但該洩氣裝置的結構相當複雜，不僅維修麻煩，其設在該筒座底部的結構，也會造成操作上的不方便。In order to overcome the problem that the two-way pump has a large resistance during the late pumping period, the EP 3 163 077 A1 patent discloses a two-way pump which is provided with a deflation device at the bottom of the pedestal, and the deflation device is used to close the air pump during the ascending process of the piston rod. The function can reduce the resistance of the pull-up at the later stage of pumping. Although the aforementioned invention patent can make the two-way pump more smooth in operation, the structure of the deflation device is quite complicated, and it is not only troublesome to maintain, but also the structure provided at the bottom of the pedestal can cause operational inconvenience.

本新型的目的，是在提供一種能夠克服先前技術的至少一個缺點的雙向打氣筒。It is an object of the present invention to provide a two-way pump that overcomes at least one of the disadvantages of the prior art.

本新型的雙向打氣筒，可將氣體送到一個待充氣物，並包含一個筒座、一個打氣機構，以及一個洩氣切換座。該筒座具有一個筒壁，以及一個由該筒壁界定而成的儲氣空間，該筒壁具有一個洩氣孔，該打氣機構具有一個活塞桿，該活塞桿具有一個界定出一個第一通道的第一套管，以及一個與該第一套管共同界定出一個第二通道的第二套管，該打氣機構還具有一個與該活塞桿連動並將該儲氣空間區隔成一個第一氣室及一個第二氣室的活塞單元，該第一氣室與該洩氣孔連通。該洩氣切換座具有一個可轉動的安裝在該筒壁上的調整件，該調整件具有一個當該洩氣切換座位在一個雙向打氣位置時關閉該洩氣孔的閉氣面部，以及一個當該洩氣切換座轉換到一個洩氣位置時打開該洩氣孔的洩氣槽。The novel two-way pump delivers gas to an object to be inflated and includes a cylinder base, an air pumping mechanism, and a air venting switch. The cartridge holder has a cylinder wall and a gas storage space defined by the cylinder wall, the cylinder wall having a venting opening, the blasting mechanism having a piston rod having a first passage defining a first passage a first sleeve, and a second sleeve defining a second passage together with the first sleeve, the pumping mechanism further having a coupling with the piston rod and partitioning the gas storage space into a first gas a piston unit of the chamber and a second air chamber, the first air chamber being in communication with the air vent. The air venting switch seat has a rotatably mounted adjusting member mounted on the wall of the drum, the adjusting member having a closed air portion that closes the vent hole when the venting switch seat is in a two-way airing position, and a venting switch seat Open the venting groove of the venting hole when switching to a deflated position.

本新型的功效在於：利用在該筒座的該筒壁上設置該洩氣孔，以及該洩氣切換座的轉動來關閉及打開該洩氣孔，可以在結構簡單、維修及使用方便的情況下，達到控制該打氣筒之打氣阻力的目的。The utility model has the advantages that: the venting hole is arranged on the cylinder wall of the drum seat, and the venting opening of the venting switch seat is closed and opened, which can be achieved in a simple structure, convenient maintenance and convenient use. Control the purpose of the pumping resistance of the pump.

在本新型被詳細描述之前，應當注意在以下的說明內容中，類似的元件是以相同的編號來表示。Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

參閱圖1、2、3，本新型雙向打氣筒的一個實施例，可藉由一條充氣管1將氣體送到圖中未出的一個待充氣物內部，並包含一個筒座2、一個打氣機構3，以及一個可轉動的套裝在該筒座2外部的洩氣切換座4，該洩氣切換座4並可藉由轉動，在一個雙向打氣位置及一個洩氣位置間轉換。Referring to Figures 1, 2, and 3, an embodiment of the two-way pump can send gas to an interior of the object to be inflated by an inflation tube 1, and includes a cylinder block 2 and a pumping mechanism. 3, and a ventilating switch seat 4 that is rotatably disposed outside the pedestal 2, and the venting switch seat 4 can be switched between a two-way airing position and a deflation position by rotating.

參閱圖2、4、5，該筒座2實質上包括一個直立的儲氣管21，以及一個位於該儲氣管21上方並相螺接的筒蓋22，但在製造上，該筒座2並不以由該儲氣管21及該筒蓋22組成為限。組裝後，該筒座2具有一個筒壁20、一個由該筒壁20界定而成的儲氣空間23、兩個由該筒壁20往外水平延伸並鄰近底部的踏板24、一個第一密封環25，以及一個第二密封環26。該筒壁20具有一個圍繞一條中心軸線設置的圍繞壁部201、一個連接該圍繞壁部201及所述踏板24的底壁部202，以及一個位於該圍繞壁部201上方並對應該筒蓋22的頂壁部203。該圍繞壁部201具有一個鄰近該頂壁部203且徑向貫穿的洩氣孔204，以及一個徑向突出的限轉突塊205，該限轉突塊205與該洩氣孔204大致等高且相隔180度，但兩者之間的角度及高度不以實施例揭露為限。而該頂壁部203具有一個位於該中心軸線上的通孔206，該第一密封環25圍繞該洩氣孔204，該第二密封環26圍繞該通孔206。Referring to Figures 2, 4, and 5, the cartridge base 2 substantially includes an upright gas storage tube 21, and a cartridge cover 22 located above the gas storage tube 21 and screwed together, but in manufacturing, the cartridge holder 2 is not The composition of the gas storage tube 21 and the cylinder cover 22 is limited. After assembly, the cartridge base 2 has a cylinder wall 20, a gas storage space 23 defined by the cylinder wall 20, two pedals 24 extending horizontally outward from the cylinder wall 20 and adjacent to the bottom portion, and a first sealing ring. 25, and a second seal ring 26. The cylinder wall 20 has a surrounding wall portion 201 disposed about a central axis, a bottom wall portion 202 connecting the surrounding wall portion 201 and the pedal portion 24, and a casing wall portion 201 above and corresponding to the cylinder cover 22 The top wall portion 203. The surrounding wall portion 201 has a venting opening 204 adjacent to the top wall portion 203 and penetrating therethrough, and a radially protruding limiting projection 205. The limiting projection 205 is substantially equal to and spaced apart from the venting opening 204. 180 degrees, but the angle and height between the two are not limited by the examples. The top wall portion 203 has a through hole 206 on the central axis, and the first seal ring 25 surrounds the air vent 204, and the second seal ring 26 surrounds the through hole 206.

該打氣機構3具有一個位於該儲氣空間23內的活塞單元31、一個穿過該筒座2的該通孔206並帶動該活塞單元31升降的活塞桿33、一個與該活塞桿33連動結合的驅動座34，以及一個安裝在該驅動座34內並可顯示壓力值的壓力表35，由於本新型的改良與該壓力表35的結構無關，不再詳述。The air pumping mechanism 3 has a piston unit 31 located in the air storage space 23, a piston rod 33 passing through the through hole 206 of the cylinder base 2 and driving the piston unit 31 up and down, and a piston rod 33 coupled with the piston rod 33. The drive base 34, and a pressure gauge 35 mounted in the drive base 34 and capable of displaying a pressure value, are not described in detail since the improvement of the present invention is independent of the structure of the pressure gauge 35.

該活塞單元31具有一個將該儲氣空間23區隔成一個第一氣室231及一個第二氣室232的活塞311、兩個安裝在該活塞311內的第一閥座312，以及兩個安裝在該活塞311內的第二閥座313。該活塞311具有連通該第一氣室231及該第二氣室232的一個第一閥室314、一個第二閥室315，該等第一閥座312及該等第二閥座313分別用來打開及關閉該第一閥室314及該第二閥室315，由於該活塞單元31並非本新型改良重點，不再詳述細部的結構。The piston unit 31 has a piston 311 that partitions the gas storage space 23 into a first gas chamber 231 and a second gas chamber 232, two first valve seats 312 installed in the piston 311, and two A second valve seat 313 is mounted in the piston 311. The piston 311 has a first valve chamber 314 and a second valve chamber 315 that communicate with the first air chamber 231 and the second air chamber 232. The first valve seat 312 and the second valve seat 313 are respectively used. The first valve chamber 314 and the second valve chamber 315 are opened and closed. Since the piston unit 31 is not an improvement point of the present invention, the detailed structure will not be described in detail.

該活塞桿33具有一個架設在該驅動座34及該活塞311之間的第一套管331、一個架設在該驅動座34及該活塞311之間的第二套管332、一個由該第一套管332界定而成並透過該驅動座34與該待充氣物連通的第一通道333，以及一個由該第一套管331及該第二套管332共同界定而成的第二通道334。該第一通道333與該第一閥室314連通，該第二通道334與該第二閥室315連通。該驅動座34具有一個套裝在該活塞桿33上方的套裝部341、兩個由該套裝部341水平突出的把手部342，以及一個與該第一通道333連通並供該充氣管1(參見圖1)組裝的出氣管部343。The piston rod 33 has a first sleeve 331 which is disposed between the driving seat 34 and the piston 311, a second sleeve 332 which is disposed between the driving seat 34 and the piston 311, and a first sleeve 332. A sleeve 332 defines a first passage 333 that communicates with the object to be inflated through the drive seat 34, and a second passage 334 defined by the first sleeve 331 and the second sleeve 332. The first passage 333 is in communication with the first valve chamber 314, and the second passage 334 is in communication with the second valve chamber 315. The driving base 34 has a fitting portion 341 fitted over the piston rod 33, two handle portions 342 horizontally protruding by the fitting portion 341, and a communicating with the first passage 333 for the inflation tube 1 (see the figure). 1) The assembled air outlet tube portion 343.

參閱圖2、5、6，該洩氣切換座4具有一個可轉動的套裝在該筒壁20之該圍繞壁部201外周並對應該洩氣孔204的調整件41，以及至少一個由該調整件41往徑向外端突出的扳控塊42，在本實施例，該洩氣切換座4具有兩個所述扳控塊42，而該調整件41並不以圍繞該圍繞壁部201之全圓周為必要。該調整件41具有一個界定出一個環狀空間410的內環面411，該內環面411具有一個對應該筒座2之該限轉突塊205的限轉面部412、一個對應該洩氣孔204的洩氣面部413、一個鄰近該洩氣面部413的閉氣面部414、一個傾斜地連接該閉氣面部414及該洩氣面部413的傾斜面部415、一個對應該洩氣面部413及該傾斜面部415的洩氣槽416，以及一個對應該限轉面部412的限轉槽417。Referring to Figures 2, 5 and 6, the venting switch seat 4 has a rotatably adjustable member 41 that fits over the periphery of the wall portion 201 of the wall 20 and corresponds to the venting opening 204, and at least one of the adjusting members 41. In the present embodiment, the venting switch seat 4 has two of the slidable blocks 42 and the adjusting member 41 does not surround the entire circumference of the surrounding wall portion 201. necessary. The adjusting member 41 has an inner annular surface 411 defining an annular space 410. The inner annular surface 411 has a limiting surface portion 412 corresponding to the limiting protrusion 205 of the socket 2, and a corresponding venting opening 204. a deflated face 413, a closed face portion 414 adjacent to the deflated face portion 413, an inclined face portion 415 obliquely connecting the closed face portion 414 and the deflated face portion 413, a deflation groove 416 corresponding to the deflated face portion 413 and the inclined face portion 415, and A limit rotation groove 417 corresponding to the face portion 412 is restricted.

該調整件41的該洩氣面部413至該環狀空間410的一個旋轉中心的距離，大於該閉氣面部414至該旋轉中心的距離，而該傾斜面部415與該旋轉中心之間的距離由鄰近該閉氣面部414的一端逐漸地往該洩氣面部413的一端增加，而該限轉槽417與該限轉突塊205的配合，是用來限制該洩氣切換座4的旋轉角度。The distance from the deflated surface portion 413 of the adjusting member 41 to a center of rotation of the annular space 410 is greater than the distance from the air-closing surface portion 414 to the center of rotation, and the distance between the inclined surface portion 415 and the center of rotation is adjacent to the distance One end of the air-closing surface portion 414 gradually increases toward one end of the air-dissipating surface portion 413, and the engagement of the rotation-restricting groove 417 with the rotation-limiting projection 205 is used to limit the rotation angle of the air-damping switch holder 4.

參閱圖4、5、7，本實施例該打氣筒要進行打氣時，首先轉動該洩氣切換座4，使該洩氣切換座4的該閉氣面部414對應並壓靠在該筒座2的該洩氣孔204的外部，此時該洩氣切換座4位在該雙向打氣位置，接著，雙腳踩住該筒座2的所述踏板24，且雙手分別握持該驅動座34的所述把手部342，即可進行充氣的操作。當使用者上拉該打氣機構3時，將造成該第一氣室231的容積縮小，同時擴大該第二氣室232的容積。Referring to Figures 4, 5 and 7, in the embodiment, when the pump is to be inflated, the air switching seat 4 is first rotated, so that the air-closing surface portion 414 of the air switching seat 4 corresponds to and is pressed against the air-dissipating portion of the cylinder block 2. The outside of the hole 204, at this time, the venting switch seat 4 is in the two-way airing position, and then the two feet are stepped on the pedal 24 of the pedestal 2, and the handle portions of the driving seat 34 are respectively gripped by both hands 342, you can carry out the operation of inflation. When the user pulls up the pumping mechanism 3, the volume of the first air chamber 231 is reduced, and the volume of the second air chamber 232 is enlarged.

此時，因為第一氣室231的壓力大於第二氣室232的壓力，因此，該等第一閥座312會如圖4實線箭頭所示下移，且外部的氣體會由該驅動座34與該活塞桿33之間的縫隙進入該第二通道334，然後通過該活塞311的該第二閥室315進入該第二氣室232內，被壓縮的第一氣室231內的氣體會通過該第一閥室314進入該第一通道333內，最後由該驅動座34的該出氣管部343送出，這時候位於該第一氣室231內的氣體無法由該洩氣孔204洩出。At this time, since the pressure of the first air chamber 231 is greater than the pressure of the second air chamber 232, the first valve seat 312 will move downward as indicated by the solid arrow in FIG. 4, and the external gas will be driven by the driving seat. A gap between the piston rod 33 and the piston rod 33 enters the second passage 334, and then enters the second gas chamber 232 through the second valve chamber 315 of the piston 311, and the gas in the compressed first gas chamber 231 is The first valve chamber 314 enters the first passage 333 and is finally sent out by the air outlet portion 343 of the driving seat 34. At this time, the gas located in the first air chamber 231 cannot be discharged from the air vent 204.

當該活塞桿33帶動該活塞單元31下降時，該第二氣室232的空間變小，該第一氣室231的空間變大，藉由壓力變化，所述第二閥座313會如圖4虛線箭頭所示上升，此時，位於該第二氣室232內的氣體會經由該第一閥室314進入該第一通道333內，最後由該驅動座34排出，另一方面，由該第二通道334進入的氣體會由該第二閥室315進入該第一氣室231內，如此一來一往，可以達到雙向打氣的目的。When the piston rod 33 drives the piston unit 31 to descend, the space of the second air chamber 232 becomes smaller, the space of the first air chamber 231 becomes larger, and the second valve seat 313 is as shown in the figure by pressure change. 4 rising as indicated by the dashed arrow. At this time, the gas located in the second gas chamber 232 enters the first passage 333 through the first valve chamber 314, and is finally discharged by the driving seat 34. The gas entering the second passage 334 enters the first air chamber 231 from the second valve chamber 315, so that the purpose of two-way airing can be achieved.

參閱圖4、5、6，當被充氣物的內部壓力接近飽和時，為了降低上拉該打氣機構3的阻力，使用者可以旋轉該洩氣切換座4，使該洩氣切換座4換到圖6所述的該洩氣位置，這時候該洩氣切換座4的該洩氣槽416對應該筒座2的該洩氣孔204。當該打氣機構3在下降時的操作以及進、出氣的方式與前述說明相同，不再贅述。而在該打氣機構3上升時，雖然位於該第一氣室231內的氣體會因為空間縮小被壓縮，但由於該洩氣孔204與該第一氣室231連通，故位於該第一氣室231內的氣體可以由該洩氣孔204洩出，因此，在上拉該打氣機構3時相對省力。Referring to FIGS. 4, 5, and 6, when the internal pressure of the inflated body approaches saturation, in order to reduce the resistance of the pumping mechanism 3, the user can rotate the air outlet switch seat 4, and the air switch seat 4 is switched to FIG. In the air venting position, the air venting groove 416 of the venting switch seat 4 corresponds to the air venting opening 204 of the pedestal 2 at this time. The operation of the pumping mechanism 3 at the time of descending and the manner of entering and exiting are the same as those described above, and will not be described again. When the air pumping mechanism 3 rises, although the gas located in the first air chamber 231 is compressed due to the space reduction, since the air leakage hole 204 communicates with the first air chamber 231, it is located in the first air chamber 231. The gas inside can be vented from the vent hole 204, and therefore, it is relatively labor-saving when the pumping mechanism 3 is pulled up.

由以上說明可知，本新型在對應該第一氣室231的該筒壁20上設置該洩氣孔204，並利用該洩氣切換座4來打開及關閉該洩氣孔204的結構，不僅在雙向打氣筒的產品中是前所未有的創新，前述結構相當的簡單，操作亦相當的方便，特別是該洩氣切換座4設置在該筒座2鄰近上方的位置，也具有操作相對方便的功效，因此，本新型確實是一個構件精簡、操作及維修方便的雙向打氣筒。It can be seen from the above description that the vent hole 204 is disposed on the cylinder wall 20 corresponding to the first air chamber 231, and the venting opening 4 is used to open and close the structure of the vent hole 204, not only in the two-way pump The product is unprecedented in innovation, the foregoing structure is relatively simple, and the operation is also quite convenient. In particular, the air venting switch seat 4 is disposed at a position adjacent to the upper side of the pedestal 2, and has the effect of relatively convenient operation. Therefore, the present invention is novel. It is indeed a two-way pump with simplified components, easy operation and maintenance.

惟以上所述者，僅為本新型之實施例而已，當不能以此限定本新型實施之範圍，凡是依本新型申請專利範圍及專利說明書內容所作之簡單的等效變化與修飾，皆仍屬本新型專利涵蓋之範圍內。However, the above is only the embodiment of the present invention, and when it is not possible to limit the scope of the present invention, all the simple equivalent changes and modifications according to the scope of the patent application and the contents of the patent specification are still This new patent covers the scope.

1‧‧‧充氣管
2‧‧‧筒座
20‧‧‧筒壁
201‧‧‧圍繞壁部
202‧‧‧底壁部
203‧‧‧頂壁部
204‧‧‧洩氣孔
205‧‧‧限轉突塊
206‧‧‧通孔
21‧‧‧儲氣管
22‧‧‧筒蓋
23‧‧‧儲氣空間
231‧‧‧第一氣室
232‧‧‧第二氣室
24‧‧‧踏板
25‧‧‧第一密封環
26‧‧‧第二密封環
3‧‧‧打氣機構
31‧‧‧活塞單元
311‧‧‧活塞
312‧‧‧第一閥座
313‧‧‧第二閥座
314‧‧‧第一閥室
315‧‧‧第二閥室
33‧‧‧活塞桿
331‧‧‧第一套管
332‧‧‧第二套管
333‧‧‧第一通道
334‧‧‧第二通道
34‧‧‧驅動座
341‧‧‧套裝部
342‧‧‧把手部
343‧‧‧出氣管部
35‧‧‧壓力表
4‧‧‧洩氣切換座
41‧‧‧調整件
410‧‧‧環狀空間
411‧‧‧內環面
412‧‧‧限轉面部
413‧‧‧洩氣面部
414‧‧‧閉氣面部
415‧‧‧傾斜面部
416‧‧‧洩氣槽
417‧‧‧限轉槽
42‧‧‧扳控塊1‧‧‧Inflatable tube
2‧‧‧Tucket
20‧‧‧Cylinder wall
201‧‧‧ Around the wall
202‧‧‧ bottom wall
203‧‧‧Top wall
204‧‧‧ Ventilation holes
205‧‧‧Restricted projections
206‧‧‧through hole
21‧‧‧ gas storage tube
22‧‧‧Capping
23‧‧‧ gas storage space
231‧‧‧First air chamber
232‧‧‧Second chamber
24‧‧‧ pedal
25‧‧‧First seal ring
26‧‧‧Second seal ring
3‧‧‧Inflating mechanism
31‧‧‧piston unit
311‧‧‧Piston
312‧‧‧First seat
313‧‧‧Second seat
314‧‧‧First valve room
315‧‧‧Second valve room
33‧‧‧ piston rod
331‧‧‧First casing
332‧‧‧second casing
333‧‧‧First Passage
334‧‧‧second channel
34‧‧‧Drive seat
341‧‧‧Sets Department
342‧‧‧Hands
343‧‧‧Exhaust pipe department
35‧‧‧ pressure gauge
4‧‧‧Break switcher
41‧‧‧Adjustment
410‧‧‧ annular space
411‧‧‧ Inner torus
412‧‧‧Limited to face
413‧‧‧Dissipating the face
414‧‧‧Closed face
415‧‧‧Sloping face
416‧‧‧ Ventilation trough
417‧‧
42‧‧‧Control block

本新型之其他的特徵及功效，將於參照圖式的實施方式中清楚地呈現，其中： 圖1是本新型雙向打氣筒的一個實施例的一個立體使用參考圖，說明該雙向打氣筒與一條充氣管的相對關係； 圖2是該實施例的一個立體分解圖； 圖3是該實施例的一個俯視圖； 圖4是沿圖3中4-4線所取的一個剖視圖； 圖5是沿圖3中5-5線所取的一個剖視圖； 圖6是沿圖4中6-6線所取的一個剖視圖，該洩氣切換座位在一個洩氣位置；及 圖7是一個類似圖6的視圖，該洩氣切換座位在一個雙向打氣位置。Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: Figure 1 is a perspective view of one embodiment of the two-way dual-purpose pump, illustrating the two-way pump and one Fig. 2 is an exploded perspective view of the embodiment; Fig. 3 is a plan view of the embodiment; Fig. 4 is a cross-sectional view taken along line 4-4 of Fig. 3; Figure 3 is a cross-sectional view taken along line 6-6 of Figure 4, the venting switch seat is in a deflated position; and Figure 7 is a view similar to Figure 6, The venting switch seat is in a two-way pumping position.

2‧‧‧筒座 2‧‧‧Tucket

20‧‧‧筒壁 20‧‧‧Cylinder wall

201‧‧‧圍繞壁部 201‧‧‧ Around the wall

203‧‧‧頂壁部 203‧‧‧Top wall

204‧‧‧洩氣孔 204‧‧‧ Ventilation holes

205‧‧‧限轉突塊 205‧‧‧Restricted projections

206‧‧‧通孔 206‧‧‧through hole

21‧‧‧儲氣管 21‧‧‧ gas storage tube

22‧‧‧筒蓋 22‧‧‧Capping

33‧‧‧活塞桿 33‧‧‧ piston rod

331‧‧‧第一套管 331‧‧‧First casing

332‧‧‧第二套管 332‧‧‧second casing

333‧‧‧第一通道 333‧‧‧First Passage

334‧‧‧第二通道 334‧‧‧second channel

34‧‧‧驅動座 34‧‧‧Drive seat

341‧‧‧套裝部 341‧‧‧Sets Department

342‧‧‧把手部 342‧‧‧Hands

343‧‧‧出氣管部 343‧‧‧Exhaust pipe department

23‧‧‧儲氣空間 23‧‧‧ gas storage space

24‧‧‧踏板 24‧‧‧ pedal

25‧‧‧第一密封環 25‧‧‧First seal ring

26‧‧‧第二密封環 26‧‧‧Second seal ring

3‧‧‧打氣機構 3‧‧‧Inflating mechanism

31‧‧‧活塞單元 31‧‧‧piston unit

35‧‧‧壓力表 35‧‧‧ pressure gauge

4‧‧‧洩氣切換座 4‧‧‧Break switcher

41‧‧‧調整件 41‧‧‧Adjustment

410‧‧‧環狀空間 410‧‧‧ annular space

411‧‧‧內環面 411‧‧‧ Inner torus

42‧‧‧扳控塊 42‧‧‧Control block

Claims (10)

一種雙向打氣筒，將氣體送到一個待充氣物，並包含： 一個筒座，具有一個筒壁，以及一個由該筒壁界定而成的儲氣空間，該筒壁具有一個洩氣孔； 一個打氣機構，具有一個活塞桿，該活塞桿具有一個界定出一個第一通道並與待充氣物連通的第一套管，以及一個與該第一套管共同界定出一個第二通道的第二套管，該打氣機構還具有一個與該活塞桿連動的活塞單元，該活塞單元將該儲氣空間區隔成一個與該洩氣孔連通的第一氣室，以及一個第二氣室；及 一個洩氣切換座，具有一個可轉動的安裝在該筒壁上的調整件，該調整件具有一個當該洩氣切換座位在一個雙向打氣位置時關閉該洩氣孔的閉氣面部，以及一個當該洩氣切換座位在一個洩氣位置時打開該洩氣孔的洩氣槽。A two-way pump for delivering gas to an object to be inflated and comprising: a barrel base having a barrel wall and a gas storage space defined by the tube wall, the barrel wall having a venting opening; a mechanism having a piston rod having a first sleeve defining a first passage and communicating with the object to be inflated, and a second sleeve defining a second passage with the first sleeve The pumping mechanism further has a piston unit coupled with the piston rod, the piston unit partitioning the gas storage space into a first air chamber communicating with the air venting hole, and a second air chamber; and a venting switch a seat having an rotatably mounted adjustment member mounted on the wall of the cylinder, the adjustment member having a closed face that closes the vent when the venting switch seat is in a two-way airing position, and a venting switch seat in the Open the venting groove of the vent hole when the position is deflated. 如請求項1所述的雙向打氣筒，其中，該調整件具有一個設置該閉氣面部並界定出一個環狀空間的內環面，該內環面還具有一段鄰近該閉氣面部的洩氣面部，以及一段連接在該閉氣面部及該洩氣面部之間的傾斜面部，該洩氣面部至該環狀空間的一個旋轉中心的距離，大於該閉氣面部至該旋轉中心的距離，所述洩氣槽對應該洩氣面部及該傾斜面部，該傾斜面部與該旋轉中心之間的距離是由鄰近該閉氣面部的一端逐漸地往該洩氣面部的一端增加。The two-way pump according to claim 1, wherein the adjusting member has an inner annular surface that defines the closed air surface and defines an annular space, the inner annular surface further having a deflated surface adjacent to the closed air surface, and a slanted surface connected between the air-closing surface and the deflated surface, the distance from the deflated surface to a center of rotation of the annular space, greater than a distance from the air-closing surface to the center of rotation, the venting groove corresponding to the deflated face And the inclined face, the distance between the inclined face and the center of rotation is gradually increased from one end adjacent to the closed face to one end of the blowdown face. 如請求項1或請求項2所述的雙向打氣筒，其中，該筒壁還具有一個限轉突塊，而該洩氣切換座的該調整件還具有一個對應該限轉突塊並限制該洩氣切換座之旋轉角度的限轉槽。The two-way pump according to claim 1 or claim 2, wherein the cylinder wall further has a limiting protrusion, and the adjusting member of the air switching seat further has a corresponding limiting protrusion and restricting the deflation The limit rotation groove that switches the rotation angle of the seat. 如請求項3所述的雙向打氣筒，其中，該洩氣切換座還具有至少一個與該調整件連接的扳控塊。The two-way pump of claim 3, wherein the blowdown switch seat further has at least one trigger block coupled to the adjustment member. 如請求項3所述的雙向打氣筒，其中，該筒座還具有一個圍繞該洩氣孔的第一密封環。The two-way pump of claim 3, wherein the cartridge also has a first sealing ring surrounding the venting opening. 如請求項3所述的雙向打氣筒，其中，該活塞單元具有一個與該活塞桿結合的活塞，該活塞具有一個連通該第一通道、該第一氣室及該第二氣室的第一閥室，以及一個連通該第二通道、該第一氣室及該第二氣室的第二閥室，又該活塞單元還具有兩個分別安裝在該第一閥室及該第二閥室內的第一閥座，以及兩個分別安裝在該第一閥室及該第二閥室內的第二閥座；當該活塞桿帶動該活塞上升時，該等第一閥座將分別打開該第一通道及該第一氣室間的流道，以及該第二通道與該第二氣室間的流道，而當該活塞桿帶動該活塞下降時，該等第二閥座將分別打開該第一通道與該第二氣室間的流道，以及該第二通道與該第一氣室間的流道。The two-way pump of claim 3, wherein the piston unit has a piston coupled to the piston rod, the piston having a first passage connecting the first passage, the first plenum, and the second plenum a valve chamber, and a second valve chamber connecting the second passage, the first air chamber and the second air chamber, and the piston unit further has two installed in the first valve chamber and the second valve chamber a first valve seat, and two second valve seats respectively installed in the first valve chamber and the second valve chamber; when the piston rod drives the piston to rise, the first valve seats respectively open the first valve seat a flow path between the first passage and the first air chamber, and a flow passage between the second passage and the second air chamber, and when the piston rod drives the piston to descend, the second valve seats will respectively open the a flow path between the first passage and the second air chamber, and a flow passage between the second passage and the first air chamber. 如請求項1所述的雙向打氣筒，其中，該筒座還具有一個圍繞該儲氣空間並供該洩氣孔設置的圍繞壁部、一個頂壁部，以及一個底壁部，所述洩氣孔鄰近該頂壁部。The two-way pump according to claim 1, wherein the cylinder base further has a surrounding wall portion, a top wall portion, and a bottom wall portion surrounding the gas storage space and provided with the air venting hole, the vent hole Adjacent to the top wall portion. 如請求項6所述的雙向打氣筒，其中，該筒座還具有一個圍繞該儲氣空間並供該洩氣孔設置的圍繞壁部、一個頂壁部，以及一個底壁部，所述洩氣孔鄰近該頂壁部。The two-way pump according to claim 6, wherein the cylinder base further has a surrounding wall portion, a top wall portion, and a bottom wall portion surrounding the air storage space and the air leakage hole, the air leakage hole Adjacent to the top wall portion. 如請求項8所述的雙向打氣筒，其中，該筒座還具有兩個位於該底壁部相側且水平突出的踏板，而該打氣機構還具有一個結合在該活塞桿上方的驅動座，該驅動座具有兩個往相反側突出的把手部。The two-way pump according to claim 8, wherein the cylinder base further has two pedals horizontally protruding on the side of the bottom wall portion, and the air pumping mechanism further has a driving base coupled to the piston rod. The drive base has two handle portions that protrude toward opposite sides. 如請求項9所述的雙向打氣筒，其中，該驅動座還具有一個與該第一通道連通的出氣管部。The two-way pump of claim 9, wherein the driver base further has an air outlet tube portion in communication with the first passage.