TW201938909A - Variable pressure air pump - Google Patents
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- TW201938909A TW201938909A TW107109277A TW107109277A TW201938909A TW 201938909 A TW201938909 A TW 201938909A TW 107109277 A TW107109277 A TW 107109277A TW 107109277 A TW107109277 A TW 107109277A TW 201938909 A TW201938909 A TW 201938909A
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Abstract
Description
本發明是有關於一種打氣筒，且特別是有關於一種可變壓力打氣筒。The invention relates to a pump, and in particular to a variable pressure pump.
現有打氣筒之技術改良皆著眼於提昇充氣效率，但不論打氣筒如何改進，均受限於氣缸截面積與壓力成反比，以致無法兼顧充氣速率及充氣效果。為達成打氣筒能在輸出高氣量或高氣壓之轉換設計，如我國公告編號第228257號專利，其公開一種可選擇快速充氣或高壓充氣之打氣筒，包含第一氣缸與第二氣缸，第一氣缸與第二氣缸同時作用時具有快速充氣的效果。第二氣缸可固鎖於第一氣缸而不與第一氣缸產生相對運動，以具有增進打氣壓力的效果。然而上述專利之構件在製造及裝配皆過於複雜，使用時亦無法提供使用者直觀之操作方式。The technical improvement of the existing pumps is aimed at improving the efficiency of the inflation, but no matter how the pump is improved, it is limited by the cross-sectional area of the cylinder and the pressure is inversely proportional, so that the inflation rate and the inflation effect cannot be taken into account. In order to achieve the design of the high-volume or high-pressure conversion of the pump, such as the Chinese Patent No. 228257, it discloses a pump that can be selected to be fast or high-pressure, including a first cylinder and a second cylinder. The air cylinder and the second air cylinder have the effect of rapid inflation when acting simultaneously. The second cylinder can be fixed to the first cylinder without generating relative movement with the first cylinder, so as to have the effect of increasing the pumping pressure. However, the components of the above patents are too complicated to manufacture and assemble, and they cannot provide intuitive operation methods for users.
本發明提供一種可變壓力打氣筒，其能夠選擇高壓充氣或是高氣量充氣。The invention provides a variable-pressure inflator, which can choose high-pressure inflation or high-volume inflation.
本發明提供的可變壓力打氣筒，其包括第一氣缸、第二氣缸、第一氣管、活塞組、連接裝置以及洩氣裝置。第一氣缸具有第一氣室。第二氣缸與第一氣缸同軸設置並能夠相對第一氣缸軸向移動，第二氣缸具有第二氣室。第一氣管設置於第一氣室與第二氣室內，第一氣管具有單向地連通第一氣室與第二氣室的氣道。活塞組對應第二氣缸相對於第一氣缸移動而能夠壓縮第一氣室內的空氣並選擇性地壓縮第二氣室內的空氣。連接裝置設置於第一氣缸並適於連接待充氣物，連接裝置包括第二氣管，第二氣管與第一氣管同軸設置並能夠相對第一氣管軸向移動。洩氣裝置包括連接件與切換件，連接件連接於第二氣缸並具有連通第二氣室的洩氣孔。切換件連接於連接件並於第一位置與第二位置之間變換，切換件具有選擇性連通洩氣孔並連通外界的導氣槽以及選擇性封閉洩氣孔的封閉部。當切換件位於第一位置，導氣槽連通洩氣孔，使第二氣室與外界連通；當切換件位於第二位置，封閉部封閉洩氣孔，使第二氣室與外界隔絕。The variable-pressure air pump provided by the present invention comprises a first air cylinder, a second air cylinder, a first air pipe, a piston group, a connecting device and a venting device. The first cylinder has a first air chamber. The second cylinder is coaxially disposed with the first cylinder and can move axially relative to the first cylinder. The second cylinder has a second air chamber. The first air pipe is disposed in the first air chamber and the second air chamber. The first air pipe has an air passage that unidirectionally connects the first air chamber and the second air chamber. The piston group is capable of compressing the air in the first air chamber and selectively compressing the air in the second air chamber when the second cylinder moves relative to the first cylinder. The connecting device is disposed on the first air cylinder and is suitable for connecting to-be-inflated objects. The connecting device includes a second air pipe, and the second air pipe is coaxially disposed with the first air pipe and can move axially relative to the first air pipe. The venting device includes a connecting piece and a switching piece. The connecting piece is connected to the second cylinder and has a venting hole communicating with the second air chamber. The switching member is connected to the connecting member and changes between the first position and the second position. The switching member has an air guiding groove selectively communicating with the vent hole and the outside and a closing portion selectively closing the vent hole. When the switching member is located in the first position, the air guiding groove communicates with the vent hole, so that the second air chamber communicates with the outside world; when the switching member is in the second position, the closing portion closes the vent hole, and the second air chamber is isolated from the outside.
在本發明的一實施例中，切換件呈環形而可轉動地套設於連接件，導氣槽與封閉部形成於切換件的內周面，且切換件的內周面與洩氣孔之間設置止洩環，封閉部於第二位置時抵接止洩環。In an embodiment of the present invention, the switching member is annularly and rotatably sleeved on the connecting member, the air guide groove and the closed portion are formed on the inner peripheral surface of the switching member, and between the inner peripheral surface of the switching member and the vent hole. A leak-proof ring is provided, and the closed portion abuts the leak-proof ring when it is in the second position.
在本發明的一實施例中，切換件的外周面對應導氣槽設置高壓標示，切換件的外周面對應封閉部設置高氣量標示。In an embodiment of the present invention, the outer peripheral surface of the switching member is provided with a high-pressure indicator corresponding to the air guiding groove, and the outer peripheral surface of the switching member is provided with a high-gas volume indicator corresponding to the closed portion.
在本發明的一實施例中，第一氣缸具有第一端與第二端。第一氣管具有第一端與第二端。連接裝置包括頭部與氣嘴閥。頭部連接於第一氣缸的第一端與第一氣管的第一端。第二氣管可軸向移動地設置於第一氣管的氣道內。氣嘴閥連接於第二氣管的一端並連通第二氣管。In an embodiment of the invention, the first cylinder has a first end and a second end. The first trachea has a first end and a second end. The connection device includes a head and a gas valve. The head is connected to the first end of the first cylinder and the first end of the first air pipe. The second trachea is movably disposed in the airway of the first trachea. The gas nozzle valve is connected to one end of the second air pipe and communicates with the second air pipe.
在本發明的一實施例中，第二氣管以可撓性材料製成，氣嘴閥可脫離地連接於頭部。In an embodiment of the present invention, the second air pipe is made of a flexible material, and the air valve is detachably connected to the head.
在本發明的一實施例中，第二氣缸具有第一端與第二端。連接件連接於第二氣缸的第二端。活塞組包括第一活塞與第二活塞。第一活塞設置於第二氣缸的第一端並能夠以第一氣管為軸心相對第一氣室軸向移動。第二活塞設置於第一氣管的第二端並能夠對應第二氣缸相對於第一氣缸移動而相對第二氣室軸向移動。In an embodiment of the invention, the second cylinder has a first end and a second end. The connecting member is connected to the second end of the second cylinder. The piston group includes a first piston and a second piston. The first piston is disposed at the first end of the second cylinder and can move axially relative to the first air chamber with the first air pipe as an axis. The second piston is disposed at the second end of the first air pipe and can move axially relative to the second air chamber corresponding to the movement of the second cylinder relative to the first cylinder.
在本發明的一實施例中，可變壓力打氣筒還包括單向裝置。單向裝置包括第一單向閥組與第二單向閥組。第一單向閥組設置於第一氣管的第一端，以允許空氣單向地由第一氣室進入氣道。第二單向閥組設置於第二活塞，以允許空氣單向地由第二氣室進入氣道。In an embodiment of the invention, the variable-pressure pump further includes a unidirectional device. The one-way device includes a first one-way valve group and a second one-way valve group. The first one-way valve group is disposed at the first end of the first air pipe to allow air to enter the airway from the first air chamber unidirectionally. The second one-way valve group is disposed on the second piston to allow air to enter the air passage from the second air chamber unidirectionally.
在本發明的一實施例中，可變壓力打氣筒還包括樞接於連接件的握把，握把具有選擇性地抵接切換件的樞槽。In an embodiment of the present invention, the variable-pressure pump further includes a grip pivotally connected to the connecting member, and the grip has a pivot groove selectively abutting the switching member.
在本發明的一實施例中，第一氣缸的第二端設置外蓋。外蓋具有連通第一氣室的補氣孔與第一卡扣部，樞槽具有選擇性地扣接第一卡扣部的第二卡扣部。In an embodiment of the present invention, an outer cover is provided on the second end of the first cylinder. The outer cover has a supplementary air hole and a first latching portion that communicate with the first air chamber, and the pivot groove has a second latching portion that selectively latches the first latching portion.
在本發明的一實施例中，可變壓力打氣筒還包括壓力感測裝置，頭部具有連通氣道的容置槽，壓力感測裝置設置於容置槽。In an embodiment of the present invention, the variable pressure inflator further includes a pressure sensing device. The head has a receiving groove communicating with the airway, and the pressure sensing device is disposed in the receiving groove.
基於上述，本發明的上述實施例所提供的可變壓力打氣筒，藉由切換件於第一位置與第二位置之間變換，使導氣槽選擇性地連通洩氣孔，故活塞組能夠選擇性地對第二氣室內的空氣作功，以達變壓力之目的。Based on the above, the variable-pressure pump provided by the above-mentioned embodiment of the present invention allows the air guide groove to selectively communicate with the vent hole by changing the switching member between the first position and the second position, so the piston group can be selected Work is performed on the air in the second air chamber in order to change the pressure.
為讓本發明的上述特徵和優點能更明顯易懂，下文特舉實施例，並配合所附圖式作詳細說明如下。In order to make the above features and advantages of the present invention more comprehensible, embodiments are hereinafter described in detail with reference to the accompanying drawings.
圖1是本發明一實施例的可變壓力打氣筒的外觀示意圖。圖2是圖1的可變壓力打氣筒的***示意圖。圖3是圖1的可變壓力打氣筒的剖面示意圖。圖4是圖1的可變壓力打氣筒的使用示意圖。請參照圖1至圖4，本實施例的可變壓力打氣筒包括一第一氣缸10、一第二氣缸20、一第一氣管30、一活塞組40、一連接裝置50、一洩氣裝置60、一握把70、一單向裝置80以及一壓力感測裝置90。第二氣缸20與第一氣缸10同軸設置並能夠相對第一氣缸10軸向移動以壓縮空氣。第一氣管30同軸設置於第一氣缸10與第二氣缸20內。活塞組40對應第二氣缸20相對於第一氣缸10移動而能夠選擇性地壓縮第一氣缸10與第二氣缸20內的空氣。連接裝置50設置於第一氣缸10並適於連接待充氣物。洩氣裝置60連接於第二氣缸20，並選擇性地使第二氣缸20與外界連通。握把70樞接於洩氣裝置60以供使用者握持。單向裝置80設置於第一氣缸10與第二氣缸20內，使空氣僅能單向地進入第一氣管30。壓力感測裝置90設置於連接裝置50而適於量測氣壓。藉由洩氣裝置60選擇性地使第二氣缸20與外界連通，而使活塞組40選擇性地對第二氣缸20內的空氣作功，以達變壓力之目的，同時提供高氣壓或高氣量之充氣模式。FIG. 1 is a schematic diagram of an appearance of a variable pressure air pump according to an embodiment of the present invention. FIG. 2 is an exploded view of the variable-pressure pump of FIG. 1. FIG. 3 is a schematic cross-sectional view of the variable-pressure pump of FIG. 1. FIG. 4 is a schematic diagram of using the variable-pressure pump of FIG. 1. Please refer to FIGS. 1 to 4. The variable-pressure pump in this embodiment includes a first cylinder 10, a second cylinder 20, a first air pipe 30, a piston group 40, a connecting device 50, and a venting device 60. , A grip 70, a one-way device 80, and a pressure sensing device 90. The second cylinder 20 is disposed coaxially with the first cylinder 10 and can move axially relative to the first cylinder 10 to compress air. The first air pipe 30 is coaxially disposed in the first cylinder 10 and the second cylinder 20. The piston group 40 can selectively compress the air in the first cylinder 10 and the second cylinder 20 corresponding to the movement of the second cylinder 20 relative to the first cylinder 10. The connecting device 50 is disposed on the first cylinder 10 and is suitable for connecting to-be-inflated objects. The venting device 60 is connected to the second cylinder 20 and selectively communicates the second cylinder 20 with the outside. The handle 70 is pivotally connected to the air deflation device 60 for holding by the user. The one-way device 80 is disposed in the first cylinder 10 and the second cylinder 20 so that air can enter the first air pipe 30 only in one direction. The pressure sensing device 90 is disposed on the connection device 50 and is suitable for measuring air pressure. The venting device 60 selectively communicates the second cylinder 20 with the outside world, so that the piston group 40 selectively performs work on the air in the second cylinder 20 to achieve the purpose of variable pressure, and at the same time provide high pressure or volume Inflatable mode.
第一氣缸10具有一第一端11、一相反於第一端11的第二端12以及一第一氣室13。第一氣缸10於第二端12設置一外蓋14，外蓋14具有至少一連通第一氣室13的補氣孔141與一第一卡扣部142。補氣孔141設置於外蓋14的內周面，第一卡扣部142沿外蓋14的圓周方向環設於外蓋14的外周面。於本實施例中，外蓋14能夠具有三個補氣孔141，且該三個補氣孔141彼此相隔120度。The first cylinder 10 has a first end 11, a second end 12 opposite to the first end 11, and a first air chamber 13. The first cylinder 10 is provided with an outer cover 14 at the second end 12. The outer cover 14 has at least one supplementary air hole 141 and a first latching portion 142 communicating with the first air chamber 13. The air supplement hole 141 is provided on the inner peripheral surface of the outer cover 14, and the first latching portion 142 is circumferentially provided on the outer peripheral surface of the outer cover 14 along the circumferential direction of the outer cover 14. In this embodiment, the outer cover 14 can have three air-filling holes 141, and the three air-filling holes 141 are separated from each other by 120 degrees.
第二氣缸20具有一第一端21、一相反於第一端21的第二端22以及一第二氣室23。The second cylinder 20 has a first end 21, a second end 22 opposite to the first end 21, and a second air chamber 23.
第一氣管30設置於第一氣室13與第二氣室23內，第一氣管30具有一第一端31、一相反於第一端31的第二端32以及一單向地連通第一氣室13與第二氣室23的氣道33。The first air pipe 30 is disposed in the first air chamber 13 and the second air chamber 23. The first air pipe 30 has a first end 31, a second end 32 opposite to the first end 31, and a unidirectional communication with the first The air passages 33 of the air chamber 13 and the second air chamber 23.
活塞組40包括一第一活塞41與一第二活塞42。第一活塞41設置於第二氣缸20的第一端21並能夠以第一氣管30為軸心相對第一氣室13軸向移動，以壓縮第一氣室13內的空氣。第二活塞42設置於第一氣管30的第二端32並能夠對應第二氣缸20相對於第一氣缸10移動而相對第二氣室23軸向移動，以選擇性地壓縮第二氣室23內的空氣。The piston group 40 includes a first piston 41 and a second piston 42. The first piston 41 is disposed at the first end 21 of the second cylinder 20 and can move axially relative to the first air chamber 13 with the first air pipe 30 as an axis to compress the air in the first air chamber 13. The second piston 42 is disposed on the second end 32 of the first air pipe 30 and can move axially relative to the second air chamber 23 corresponding to the movement of the second cylinder 20 relative to the first air cylinder 10 to selectively compress the second air chamber 23 The air inside.
連接裝置50包括一頭部51、一第二氣管52以及一氣嘴閥53。頭部51連接於第一氣缸10的第一端11與第一氣管30的第一端31，頭部51具有一連通氣道33的容置槽511。第二氣管52與第一氣管30同軸設置，並能夠相對第一氣管30軸向移動。因此，第二氣管52可軸向移動地設置於第一氣管30的氣道33內以連通氣道33。氣嘴閥53連接於第二氣管52的一端並連通第二氣管52，氣嘴閥53適於連接待充氣物的氣嘴（如圖4所示）。氣嘴閥53可脫離地連接於頭部51並能夠對應第二氣管52相對於第一氣管30軸向移動而脫離頭部51。於本實施例中，第二氣管52能夠以可撓性材料製成，並配合相對於第一氣管30軸向移動，使氣嘴閥53能夠易於連接至待充氣物的氣嘴。The connecting device 50 includes a head 51, a second air pipe 52 and a gas valve 53. The head 51 is connected to the first end 11 of the first cylinder 10 and the first end 31 of the first air pipe 30. The head 51 has a receiving groove 511 communicating with the air passage 33. The second air pipe 52 is disposed coaxially with the first air pipe 30 and can move axially relative to the first air pipe 30. Therefore, the second air pipe 52 is movably disposed in the air passage 33 of the first air pipe 30 so as to communicate with the air passage 33. The gas nozzle valve 53 is connected to one end of the second gas pipe 52 and communicates with the second gas pipe 52. The gas valve 53 is suitable for connecting the gas nozzle of the object to be inflated (as shown in FIG. 4). The gas nozzle valve 53 is detachably connected to the head 51 and can be detached from the head 51 in response to the second gas tube 52 moving axially relative to the first gas tube 30. In this embodiment, the second air pipe 52 can be made of a flexible material and cooperates with the axial movement relative to the first air pipe 30, so that the gas valve 53 can be easily connected to the gas nozzle of the object to be inflated.
洩氣裝置60包括一連接件61、一切換件62與至少一止洩環63。連接件61連接於第二氣缸20的第二端22並具有至少一連通第二氣室23的洩氣孔611。於本實施例中，連接件61能夠具有兩洩氣孔611與兩止洩環63，該兩洩氣孔611分別設置於連接件61徑向的相反兩側，並分別形成階級孔以適於容置定位該兩止洩環63。切換件62連接於連接件61並能夠於第一位置與第二位置之間變換。切換件62具有至少一選擇性連通洩氣孔611並連通外界的導氣槽621以及至少一選擇性封閉洩氣孔611的封閉部622。The venting device 60 includes a connecting member 61, a switching member 62 and at least one anti-drain ring 63. The connecting member 61 is connected to the second end 22 of the second cylinder 20 and has at least one vent hole 611 communicating with the second air chamber 23. In this embodiment, the connecting member 61 can have two air vent holes 611 and two stop rings 63. The two air vent holes 611 are respectively disposed on opposite sides of the connecting member 61 in the radial direction, and respectively form step holes to be suitable for receiving. Position the two stop rings 63. The switching member 62 is connected to the connecting member 61 and can be changed between a first position and a second position. The switching member 62 has at least one air guide groove 621 selectively communicating with the vent hole 611 and communicating with the outside, and at least one closing portion 622 selectively closing the vent hole 611.
於本實施例中，切換件62呈環形而可轉動地套設於連接件61。導氣槽621與封閉部622形成於切換件62的內周面，且止洩環63設置於切換件62的內周面與洩氣孔611之間，使封閉部622於第二位置時抵接止洩環63。切換件62能夠具有兩分別對應該兩洩氣孔611的導氣槽621以及兩分別對應該兩洩氣孔611的封閉部622。切換件62的外周面對應導氣槽621設置至少一高壓標示623，且切換件62的外周面對應封閉部622設置至少一高氣量標示624。In this embodiment, the switching member 62 is ring-shaped and rotatably sleeved on the connecting member 61. The air guide groove 621 and the closed portion 622 are formed on the inner peripheral surface of the switching member 62, and the anti-drain ring 63 is provided between the inner peripheral surface of the switching member 62 and the air vent hole 611, so that the closed portion 622 abuts when the second position Drain ring 63. The switching member 62 can have two air guide grooves 621 respectively corresponding to the two air vent holes 611 and two closing portions 622 respectively corresponding to the two air vent holes 611. At least one high-pressure indicator 623 is provided on the outer peripheral surface of the switching member 62 corresponding to the air guide groove 621, and at least one high-gas volume indicator 624 is provided on the outer peripheral surface of the switching member 62 corresponding to the closed portion 622.
握把70藉由一銷件71而樞接於連接件61，握把70具有一選擇性地抵接切換件62的樞槽72。樞槽72具有一選擇性地扣接第一卡扣部142的第二卡扣部721。握把70能夠相對連接件61樞擺而於收納位置（如圖3所示）與使用位置（如圖4所示）之間變換，當握把70位於收納位置，第二卡扣部721扣接於第一卡扣部142，使打氣筒整體外觀略呈I形配置以方便收納。當握把70位於使用位置，第二卡扣部721脫離於第一卡扣部142，使握把70與第一氣缸10、第二氣缸20略呈T形配置以便於使用者操作充氣。The grip 70 is pivotally connected to the connecting member 61 by a pin 71. The grip 70 has a pivot groove 72 selectively abutting the switching member 62. The pivot slot 72 has a second latching portion 721 which is selectively coupled to the first latching portion 142. The grip 70 can be pivoted relative to the connecting member 61 to change between the storage position (as shown in FIG. 3) and the use position (as shown in FIG. 4). When the grip 70 is located in the storage position, the second buckle portion 721 buckles. Connected to the first buckling portion 142, the overall appearance of the pump is slightly I-shaped for convenient storage. When the grip 70 is located in the use position, the second buckling portion 721 is separated from the first buckling portion 142, so that the grip 70 and the first cylinder 10 and the second cylinder 20 are disposed in a T-shape so as to facilitate the user to inflate.
單向裝置80包括一第一單向閥組81與一第二單向閥組82，第一單向閥組81設置於第一氣管30的第一端31，以允許空氣單向地由第一氣室13進入氣道33與頭部51。第二單向閥組82設置於第二活塞42，以允許空氣單向地由第二氣室23進入氣道33。於本實施例中，第一單向閥組81能夠由軟質材料製成，並形成錐環設置於第一氣管30的第一端31外周緣。第二單向閥組82能夠由設置於第二活塞42的閥孔以及可移動地設置於閥孔中的閥片所組成。第一單向閥組81與第二單向閥組82也能夠為本技術領域用以限制流體單向流動之習用結構。The one-way device 80 includes a first one-way valve group 81 and a second one-way valve group 82. The first one-way valve group 81 is disposed on the first end 31 of the first air pipe 30 to allow air to flow unidirectionally from the first An air chamber 13 enters the air passage 33 and the head 51. The second check valve group 82 is disposed on the second piston 42 to allow air to enter the air passage 33 from the second air chamber 23 unidirectionally. In this embodiment, the first check valve group 81 can be made of a soft material, and a cone ring is formed on the outer periphery of the first end 31 of the first air pipe 30. The second check valve group 82 can be composed of a valve hole provided in the second piston 42 and a valve disc movably provided in the valve hole. The first one-way valve group 81 and the second one-way valve group 82 can also be a conventional structure used in the art to limit the one-way flow of fluid.
壓力感測裝置90設置於頭部51的容置槽511，以適於量測氣壓數值，壓力感測裝置90能夠為機械式壓力錶、電子式壓力感測組件等本技術領域用以量測並顯示氣壓之習用結構。The pressure sensing device 90 is disposed in the accommodating groove 511 of the head 51 to be suitable for measuring the air pressure value. The pressure sensing device 90 can be a mechanical pressure gauge, an electronic pressure sensing component, etc. And shows the conventional structure of air pressure.
圖4是圖1的可變壓力打氣筒的使用示意圖。圖5為圖4中圈選處的放大示意圖。圖6為沿圖4中6-6割面線所取的剖面示意圖。請參照圖4至圖6，當切換件62位於第一位置，高壓標示623面向外界，導氣槽621連通洩氣孔611，使第二氣室23與外界連通。故第二氣缸20相對於第一氣缸10軸向移動時，第二氣室23內的空氣受到第二活塞42推動而經由洩氣孔611與導氣槽621逸散至外界，即第二活塞42不對第二氣室23內的空氣作功，僅第一活塞41能夠壓縮第一氣室13內的空氣，使壓縮空氣分別通過氣道33進入容置槽511，以及通過氣道33、第二氣管52與氣嘴閥53而進入待充氣物的氣嘴內。因此，僅有第一活塞41對第一氣室13內的空氣作功，藉此進行高壓充氣。FIG. 4 is a schematic diagram of using the variable-pressure pump of FIG. 1. FIG. 5 is an enlarged schematic view of a circled position in FIG. 4. FIG. 6 is a schematic cross-sectional view taken along the line 6-6 of FIG. 4. FIG. Please refer to FIG. 4 to FIG. 6, when the switching member 62 is located at the first position, the high-pressure mark 623 faces the outside, and the air guide groove 621 communicates with the vent hole 611, so that the second air chamber 23 communicates with the outside. Therefore, when the second cylinder 20 moves axially relative to the first cylinder 10, the air in the second air chamber 23 is pushed by the second piston 42 and escapes to the outside through the vent hole 611 and the air guide groove 621, that is, the second piston 42 No work is performed on the air in the second air chamber 23, and only the first piston 41 can compress the air in the first air chamber 13 so that the compressed air enters the accommodation groove 511 through the air passage 33 and the air passage 33 and the second air pipe 52, respectively. Enter the valve of the object to be aerated with the valve valve 53. Therefore, only the first piston 41 performs work on the air in the first air chamber 13, thereby performing high-pressure inflation.
圖7是圖1的可變壓力打氣筒的使用示意圖。圖8為圖7中圈選處的放大示意圖。圖9為沿圖7中9-9割面線所取的剖面示意圖。請參照圖7至圖9，使用者能夠撥動切換件62，使切換件62由第一位置變換至第二位置。FIG. 7 is a schematic diagram of using the variable-pressure pump of FIG. 1. FIG. 8 is an enlarged schematic view of a circled part in FIG. 7. FIG. 9 is a schematic cross-sectional view taken along line 9-9 of FIG. 7. Please refer to FIG. 7 to FIG. 9, the user can dial the switch 62 to change the switch 62 from the first position to the second position.
當切換件62位於第二位置，高氣量標示624面向外界，封閉部622封閉洩氣孔611，使第二氣室23與外界隔絕，且止洩環63提高隔絕效果。故第二氣缸20相對於第一氣缸10軸向移動時，第一活塞41與第二活塞42皆能夠分別壓縮第一氣室13與第二氣室23內的空氣，並使壓縮空氣進入氣道33，壓縮空氣分別通過氣道33進入容置槽511，以及通過氣道33、第二氣管52與氣嘴閥53而進入待充氣物的氣嘴內。因此，第一活塞41與第二活塞42分別對第一氣室13與第二氣室23內的空氣作功，藉此進行高氣量充氣。When the switching member 62 is located at the second position, the high-air volume indicator 624 faces the outside, and the closing portion 622 closes the vent hole 611 to isolate the second air chamber 23 from the outside, and the anti-drain ring 63 improves the isolation effect. Therefore, when the second cylinder 20 moves axially relative to the first cylinder 10, both the first piston 41 and the second piston 42 can compress the air in the first air chamber 13 and the second air chamber 23, respectively, and make the compressed air enter the air passage. 33. The compressed air enters the accommodation groove 511 through the air passage 33, and enters the air nozzle of the object to be inflated through the air passage 33, the second air pipe 52, and the air valve 53. Therefore, the first piston 41 and the second piston 42 perform work on the air in the first air chamber 13 and the second air chamber 23, respectively, thereby performing high-volume inflation.
綜上所述，本實施例的可變壓力打氣筒藉由切換件62於第一位置與第二位置之間變換，使導氣槽621選擇性地連通洩氣孔611，使第二氣室23與外界選擇性地連通或隔絕，故第二活塞42能夠選擇性地對第二氣室23內的空氣作功，以達變壓力之目的，即使用者能夠依使用需求選擇高壓充氣或是高氣量充氣。In summary, the variable pressure pump of this embodiment is changed between the first position and the second position by the switching member 62, so that the air guide groove 621 selectively communicates with the vent hole 611, and the second air chamber 23 It is selectively connected or isolated from the outside, so the second piston 42 can selectively perform work on the air in the second air chamber 23 to achieve the purpose of variable pressure, that is, the user can choose high pressure inflation or high pressure according to the use needs. Inflatable volume.
雖然本發明已以實施例揭露如上，然其並非用以限定本發明，任何所屬技術領域中具有通常知識者，在不脫離本發明的精神和範圍內，當可作些許的更動與潤飾，故本發明的保護範圍當視後附的申請專利範圍所界定者為準。Although the present invention has been disclosed as above with the examples, it is not intended to limit the present invention. Any person with ordinary knowledge in the technical field can make some modifications and retouching without departing from the spirit and scope of the present invention. The protection scope of the present invention shall be determined by the scope of the attached patent application.
10‧‧‧第一氣缸10‧‧‧ the first cylinder
11‧‧‧第一端11‧‧‧ the first end
12‧‧‧第二端12‧‧‧ the second end
13‧‧‧第一氣室13‧‧‧The first air chamber
14‧‧‧外蓋14‧‧‧ Cover
141‧‧‧補氣孔141‧‧‧Air hole
142‧‧‧第一卡扣部142‧‧‧First buckle section
20‧‧‧第二氣缸20‧‧‧Second cylinder
21‧‧‧第一端21‧‧‧ the first end
22‧‧‧第二端22‧‧‧ the second end
23‧‧‧第二氣室23‧‧‧Second Air Chamber
30‧‧‧第一氣管30‧‧‧ first trachea
31‧‧‧第一端31‧‧‧ the first end
32‧‧‧第二端32‧‧‧ the second end
33‧‧‧氣道33‧‧‧Airway
40‧‧‧活塞組40‧‧‧Piston Set
41‧‧‧第一活塞41‧‧‧First Piston
42‧‧‧第二活塞42‧‧‧Second Piston
50‧‧‧連接裝置50‧‧‧ Connected device
51‧‧‧頭部51‧‧‧Head
511‧‧‧容置槽511‧‧‧Receiving slot
52‧‧‧第二氣管52‧‧‧Second Trachea
53‧‧‧氣嘴閥53‧‧‧Gas valve
60‧‧‧洩氣裝置60‧‧‧deflation device
61‧‧‧連接件61‧‧‧Connector
611‧‧‧洩氣孔611‧‧‧air vent
62‧‧‧切換件62‧‧‧Switch
621‧‧‧導氣槽621‧‧‧Air guide trough
622‧‧‧封閉部622‧‧‧Closed
623‧‧‧高壓標示623‧‧‧High Voltage Mark
624‧‧‧高氣量標示624‧‧‧ High Gas Volume Sign
63‧‧‧止洩環63‧‧‧ Stop ring
70‧‧‧握把70‧‧‧ Grip
71‧‧‧銷件71‧‧‧pins
72‧‧‧樞槽72‧‧‧ pivot groove
721‧‧‧第二卡扣部721‧‧‧Second buckle section
80‧‧‧單向裝置80‧‧‧ one-way device
81‧‧‧第一單向閥組81‧‧‧The first check valve
82‧‧‧第二單向閥組82‧‧‧Second check valve
90‧‧‧壓力感測裝置90‧‧‧pressure sensing device
圖1是本發明一實施例的可變壓力打氣筒的外觀示意圖。 圖2是圖1的可變壓力打氣筒的***示意圖。 圖3是圖1的可變壓力打氣筒的剖面示意圖。 圖4是圖1的可變壓力打氣筒的使用示意圖，表示切換件位於第一位置。 圖5為圖4中圈選處的放大示意圖。 圖6為沿圖4中6-6割面線所取的剖面示意圖。 圖7是圖1的可變壓力打氣筒的使用示意圖，表示切換件位於第二位置。 圖8為圖7中圈選處的放大示意圖。 圖9為沿圖7中9-9割面線所取的剖面示意圖。FIG. 1 is a schematic diagram of an appearance of a variable pressure air pump according to an embodiment of the present invention. FIG. 2 is an exploded view of the variable-pressure pump of FIG. 1. FIG. 3 is a schematic cross-sectional view of the variable-pressure pump of FIG. 1. FIG. 4 is a schematic diagram of the use of the variable-pressure air pump of FIG. 1, showing that the switching member is located at the first position. FIG. 5 is an enlarged schematic view of a circled position in FIG. 4. FIG. 6 is a schematic cross-sectional view taken along the line 6-6 of FIG. 4. FIG. FIG. 7 is a schematic diagram of the use of the variable-pressure air pump of FIG. 1, showing that the switching member is located at the second position. FIG. 8 is an enlarged schematic view of a circled part in FIG. 7. FIG. 9 is a schematic cross-sectional view taken along line 9-9 of FIG. 7.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW107109277A TWI645111B (en) | 2018-03-19 | 2018-03-19 | Variable pressure air pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW107109277A TWI645111B (en) | 2018-03-19 | 2018-03-19 | Variable pressure air pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TWI645111B TWI645111B (en) | 2018-12-21 |
| TW201938909A true TW201938909A (en) | 2019-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| TW107109277A TWI645111B (en) | 2018-03-19 | 2018-03-19 | Variable pressure air pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI763986B (en) * | 2019-03-20 | 2022-05-11 | 雙餘實業股份有限公司 | Inflator |
| TWI720770B (en) * | 2020-01-02 | 2021-03-01 | 吳樹木 | An inflator with variable pressures |
| TWI719835B (en) * | 2020-02-14 | 2021-02-21 | 吳樹木 | Variable pressure air pump |
| TW202130907A (en) | 2020-02-14 | 2021-08-16 | 吳樹木 | Three-stage booster air pump |
| US11480167B2 (en) * | 2020-05-22 | 2022-10-25 | Scott Wu | Variable pressure air pump having a first cylinder defining a first chamber and a second cylinder defining a second chamber and a discharge device including a switch with at least one flow guide portion fluidly connected to the outside |
| TWM606046U (en) | 2020-08-03 | 2021-01-01 | 吳樹木 | Pressure boosting pump |
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| TWM536277U (en) * | 2016-08-18 | 2017-02-01 | Shu-Mu Wu | Portable tire pump |
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