M438544 驅動之活塞桿70之活塞71朝向連接頭64方向運動，而 將氣虹座 62令之活塞室623的空氣增壓，並以增壓的空 氣推開原關閉中孔632的閥組90之閥塊91壓縮彈簧92 而通過中孔632進入氣缸蓋63、連接頭64再至使用端》 如圖9所示’於進氣階段，活塞桿70被馬達80與齒 輪式傳動組件81驅動反向運動，而使氣紅座62之活塞室 623產生負壓’進而使外界的空氣能通過活塞71之進氣孔 _處的單向閥板72而對活塞室623進氣，如此反復作動， 使該打氣機可以提併打氣之功能。 前述之打氣機中，雖以其組合式氣缸殼體提供活塞桿 於其中作動而能產生進氣加壓送出加壓氣體之機構，但是 ’ s玄組合式氣缸殼體之氣缸座是以其上端的固定部結合氣 紅蓋與連接頭一同固定羚固.定架兩側板上頂端的固定板上 ’固定架無法提供良好的組合穩固性，再者，該組合式氣 缸殼體是由固定架、氣缸座、氣缸蓋與連接頭等四構件再 •結合二密封環圈組合而成，其構件數量偏多、組裝步驟多 ，而有成本高之問題。 【新型内容】 本新型創作之主要目的在於提供一種打氣機之組合式 氣缸殼體，希藉此設計改善現有組合式氣缸殼體構造複雜 、成本高，以及氣缸殼體組合後之穩固性不足等缺點。' 為達成前揭目的’本新型創作所提出之技術手段係人 該打乳機之組合式氣缸殼體係包含： ,、* 一金屬材質的固定座’其包含-邊板部以及自所 板部兩側邊延伸而相對排列的第—側板部與第二側板^ M438544 於邊板部、第一側板部及第二側板部上各形成有一具有固 定孔的固定凸部； 一金屬材質的氣缸座，係被固定於固定座之第一側板 部與第二側板部之間，所述氣缸座包含一缸座周壁以及一 成形於缸座周壁一端的座板部’於缸座周壁與座板部之間 形成一活塞室，座板部中形成一連通活塞室的中孔；以及 一氣缸蓋，其包含一具有閥室的蓋體以及一成形於蓋 體上的主接管部’主接管部内部與閥室連通，蓋體周邊具 有複數個具有穿孔的固接凸部’所述固捿凸部分別對應於 固定座之每一固定凸部，所述氣缸蓋係結合密封環圈氣密 的蓋合於氣缸座頂部，並分別以螺絲將固接凸部與固定凸 部加以鎖固，使氣缸蓋、氣缸座及固定座穩固地結合一體 ’氣缸蓋之閥室經由氣缸座之中孔連通竽塞室。 藉此組合式氣缸殼體之精簡化新型構造創作，使其具 有降低成本之功效，且本創作利用固定座之邊板部兩側之 側板部相對夾持而環抱氣缸座固冑，且以氣缸蓋氣密的蓋 合於氣虹座端部後，直接利用螺絲分別將氣虹蓋周邊的固 接凸部鎖固於固定座的以凸部上，使該組合式氣紅殼體 組合後具有極佳的結合穩固性。 …叫，v J 7凹疋厘於第_ 板部與第二側板部分別形成相對的圓弧形的夹持 -側板部與第二側板部於夾持部末端形成〆 ， 應的夹持部環抱夹持^座，域部切仏座端 該組合式氣缸殼體組合後具有極佳的結合穩固性。。’ 再者，本創組合式氣紅殼體尚可進—步令氣“於 M438544 座周壁於活塞室的開口周緣形成一朝外擴張的環形錐面 ’所述固定座之第一側板部與第二側板部之夾持部鄰近支 樓部處形成相對於環形錐面之弧曲形固定部，使固定座之 电形錐面能嵌入弧曲形固定部中而穩固結合定位，且利用 氣紅座之紅座於其活塞室的開口周緣形成一朝外擴張的環 形錐面，以利活塞置入其活塞室内，且對氣缸座之缸座開 口端之周壁產生補強效果。 % 【實施方式】 如圖1所示，係揭示本新型創作打氣機之組合式氣缸 體之較佳實施例結合活塞桿、馬達及傳動組件的立體 示意圖，由圖式中可以見及所述組合式氣缸殼體]係 包含一固定座10、一氣缸座2〇以及一氣缸蓋3〇，其中： 立如圖1至圖3所示，所述固定座1〇係金屬材寶▲冶 之部件，如：鐵質板材經由沖切彎折成形者，其包含一邊 板部11,於所述邊板部n @側邊分別延伸呈相對排列的 •第—側板部12A與第二側板部12B，固定座1〇於邊板部 11:第一側板部12A及第二側板部12B上各設有一固定 凸部111、121，所述固定凸部川、121中各設有一固定 孔，所述固定扎可為穿孔或具有内螺紋的螺孔。 如圖1所示，於本較佳實施例中，所述固定座之 第一側板部12A與第二侧板部12B之固定凸冑121是向 :卜：伸，邊板部11之固定…”則朝第-側板部12A ;第二側板部12B之間凸伸，所述第—側板部12八與第二 則板部1 2 B形成相對的夾持部]22，站贫 直_ 穴讨〇| 1 22，使第一側板部1 2A與 側板部 12 B以相對設署^1a Λ ^ 子曰耵《又置的夾持部122能夾持氣缸座 7 M438544 20，所述夹持部122可為圓弧形、多邊形或其他幾何形狀 ，所述第一側板部12A與第二側板部Ί2Β於夾持部122 底端各形成一支撐部123，利用所述支撐部123支撐氣缸 座20。 如圖1至圖3所示，所述氣缸座20係金屬材質成形 之部件，所述氣缸座20包含有一缸座周壁21以及一成形 於缸座周壁21頂端的缸座板部22，並於缸座周壁21與 座板部22之間形成一開口朝下的活塞室23，座板部22 中形成一連通活塞室23的中孔24 » 如圖1所示’於本較佳實施例中，所述氣缸座20之 座板部2 2中間形成一向上凸伸的組接凸部2 5，所述中孔 24設於組接凸部25之中間’所述氣缸座係以其紅座周壁 為固定座之第一側板部12 A與第二側板部1 2 B以其相對設 置的夾持部1 22予以夾持，且氣缸座20底端抵靠於所述 第一側板部12A與第二側板部12B底端之支撐部123上 〇 如圖1至圖3所示，所述氣缸蓋3〇可為塑膠或金屬 材質所成形，其中以塑膠材質成形的氣缸蓋3〇為佳，所 述氣缸蓋30包含一蓋體31以及一主接管部32，蓋體31 中形成一開口朝下的閥室33，以閥室33提供—閥組7裝 設其中，蓋體31周邊具有複數個固接凸部34,如圖3所 不，於本較佳實施例中，係揭示蓋體31周邊具有三個固 接凸部34,所述固接凸部34分別對應於固定座彳〇之三 個固：凸部m、121，且固接凸部34中各具有一穿孔， 主接官部32是成形於蓋體31頂部中間軸向凸伸主接管 ' 1 用於打氣機中’於加壓階段的局部剖面示意圖β 圖5是圖1及圖2所示組合式氣缸殼體較佳實施例應 用於打氣機中，於進氣階段的局部剖面示意圖。 圖6是現有電動打氣機的外觀立體圖。 圖7是圖6所示電動打氣機的立體分解圖。 圖8是圖6及圖7所示電動打氣機，於加壓階段的局 部剖面示意圖。 圖9是圖6及圖7所示電動打氣機，於進氣階段的局 部剖面示意圖。 【主要元件符號說明】 1組合式氣缸殼體 3活塞 5馬達 7閥組 9彈簧 2活塞桿 4單向閥板 6傳動組件 8閥塊 10固定座 11邊板部 1 11固定凸部 1 2 Β第二側板部 1 2 2夾持部 124弧曲形固定部 21缸座周壁 23活塞室 25組接凸部 12Α第一側板部 1 21固定凸部 123支撐部 20氣紅座 2 2座板部 24中孔 26環—·形錐面· 30氣知蓋 31蓋體 11 M438544 32 主接管部 33 閥室 34 固接凸部 35 側接管部 40 密封環圈 50 螺絲 60 組合式氣缸殼體 61 固定架 611 背板 612 側板 613 固定板 62 氣紅座 621 圓形筒體 622 固定部 623 活塞室 63 氣缸蓋 631 凸部 632 中孔 633 密封環圈 64 連接頭 641 連接管部 642 密封環圈 643 凸塊 70 活塞桿 71 活塞 72 單向閥板 80 馬達 81 1 齒輪式傳動組件 90 閥組 91 閥塊 92 彈簧The piston 71 of the piston rod 70 driven by the M438544 moves toward the connecting head 64, and pressurizes the air of the piston chamber 623 by the gas siphon 62, and pushes the valve block 90 of the original closing center hole 632 with the pressurized air. The valve block 91 compresses the spring 92 and enters the cylinder head 63 through the middle hole 632, the connecting head 64 and then the use end. As shown in Fig. 9, in the intake phase, the piston rod 70 is reversed by the motor 80 and the gear type transmission assembly 81. Movement, and the piston chamber 623 of the gas red seat 62 generates a negative pressure', so that the outside air can pass through the check valve plate 72 at the intake hole_ of the piston 71 to inhale the piston chamber 623, so that the operation is repeated. The air compressor can lift and pump the air. In the above-mentioned air compressor, although the combined cylinder housing provides a mechanism in which the piston rod is actuated to generate the intake pressure and pressurizes the pressurized gas, the cylinder block of the 'small combined cylinder housing is the upper end thereof. The fixing portion is combined with the gas red cover to fix the antelope together with the connecting head. The fixing plate on the fixing plate at the top of the two sides of the fixed frame cannot provide good combination stability. Moreover, the combined cylinder housing is fixed by the fixing frame. The four components, such as the cylinder block, the cylinder head and the connecting head, are combined with the two sealing rings, which have a large number of components and many assembly steps, and have high cost. [New content] The main purpose of this new creation is to provide a combined cylinder housing for an air compressor, which is designed to improve the complexity of the existing combined cylinder housing, high cost, and insufficient stability after assembly of the cylinder housing. Disadvantages. The technical means proposed by the present invention for the purpose of achieving the pre-existing purpose is that the combined cylinder housing of the breast pump comprises: , , * a metal material fixing seat 'including the side plate portion and the self-plate portion a first side plate portion and a second side plate portion M438544 extending on opposite sides of the side plate are respectively formed with a fixing convex portion having a fixing hole on the side plate portion, the first side plate portion and the second side plate portion; a metal cylinder block The cylinder block is fixed between the first side plate portion and the second side plate portion of the fixed seat, and the cylinder block includes a cylinder seat peripheral wall and a seat plate portion formed at one end of the peripheral wall of the cylinder block at the peripheral wall and the seat plate portion of the cylinder block Forming a piston chamber therebetween, forming a middle hole communicating with the piston chamber; and a cylinder cover including a cover body having a valve chamber and a main joint portion formed on the cover body Communicating with the valve chamber, the cover body has a plurality of fixing protrusions having perforations. The fixing protrusions respectively correspond to each fixing protrusion of the fixing seat, and the cylinder head is combined with the airtight cover of the sealing ring. Fitted to the top of the cylinder block, and Not fixed to the screw fixing protrusion and the convex portion to be locked, the cylinder head, cylinder block, and firmly bonded integrally fixed base 'of the cylinder head into the cylinder chamber via the valve seat hole communicating yu plug chamber. The combination of the simplified cylinder structure of the modular cylinder housing has the effect of reducing cost, and the present invention utilizes the side plate portions on both sides of the side plate portion of the fixing seat to hold the cylinder block and clamp the cylinder block, and the cylinder is fixed. After the cover is airtightly closed to the end portion of the gas rainbow seat, the fixing convex portion around the gas rainbow cover is directly locked by the screw to the convex portion of the fixed seat, so that the combined gas red shell is combined Excellent combination of stability. ..., v J 7 疋 于 于 第 第 第 板 板 与 与 与 与 与 与 板 板 板 板 板 板 板 板 板 板 板 板 板 板 板 板 板 板 板 板 板 板 板 板 板 板 板 板 板 板 板The clamping clamp is seated, and the combined cylinder housing of the domain cutting end has excellent combination stability. . In addition, the ingenious combined gas red shell is still advancing-stepping gas "on the periphery of the opening of the piston chamber of the M438544 seat to form an outwardly expanding annular cone surface", the first side plate portion of the fixing seat and The clamping portion of the second side plate portion forms an arc-shaped fixing portion with respect to the annular cone surface adjacent to the branch portion, so that the electric cone surface of the fixing seat can be embedded in the curved curved fixing portion to be stably combined and positioned, and the gas is utilized. The red seat of the red seat forms an outwardly expanding annular cone on the periphery of the opening of the piston chamber, so that the piston is placed in the piston chamber, and the peripheral wall of the open end of the cylinder block of the cylinder block is reinforced. As shown in FIG. 1 , a schematic view of a preferred embodiment of a combined cylinder block of the present invention is disclosed. In combination with a piston rod, a motor and a transmission assembly, the combined cylinder housing can be seen from the drawings. The utility model comprises a fixing base 10, a cylinder block 2〇 and a cylinder head 3〇, wherein: as shown in FIG. 1 to FIG. 3, the fixing seat 1 is a metal material, such as iron. The material is formed by punching and bending, and its package The side plate portion 11 includes a first side plate portion 12A and a second side plate portion 12B which are oppositely arranged on the side plate portion n @ side, and the fixing seat 1 is disposed on the side plate portion 11: the first side plate portion 12A And a fixing convex portion 111, 121 is disposed on each of the second side plate portions 12B, and each of the fixing convex portions, 121 is provided with a fixing hole, and the fixing wire can be a through hole or a screw hole having an internal thread. As shown in the preferred embodiment, the fixing tabs 121 of the first side plate portion 12A and the second side plate portion 12B of the fixing seat are: the extension of the side plate portion 11 is fixed. The first side plate portion 12A and the second side plate portion 12B are protruded from each other, and the first side plate portion 12 and the second plate portion 1 2 B form an opposite clamping portion 22, which is poor in standing _ 1 22, the first side plate portion 1 2A and the side plate portion 12 B can be clamped to the cylinder block 7 M438544 20 by the opposite clamping portion 122. The clamping portion 122 can be The first side plate portion 12A and the second side plate portion 2 are respectively formed with a support portion 123 at the bottom end of the clamping portion 122, and the support portion 123 is supported by the support portion 123. Cylinder block 20. As shown in FIG. 1 to FIG. 3, the cylinder block 20 is a metal-formed component, and the cylinder block 20 includes a cylinder seat peripheral wall 21 and a cylinder seat plate portion 22 formed at the top end of the cylinder block peripheral wall 21, and A piston chamber 23 with an opening facing downward is formed between the peripheral wall 21 of the cylinder block and the seat plate portion 22. A central hole 24 is formed in the seat plate portion 22 to communicate with the piston chamber 23. As shown in Fig. 1, in the preferred embodiment. An intermediate protruding portion 25 is formed in the middle of the seat plate portion 2 2 of the cylinder block 20, and the middle hole 24 is disposed in the middle of the grouping convex portion 25. The cylinder block is in its red seat. The first side plate portion 12 A and the second side plate portion 1 2 B of the fixed wall are clamped by the oppositely disposed clamping portions 126, and the bottom end of the cylinder block 20 abuts against the first side plate portion 12A and The upper part of the support portion 123 of the bottom portion of the second side plate portion 12B is as shown in FIG. 1 to FIG. 3 , and the cylinder head 3 〇 can be formed of plastic or metal material, and a cylinder head 3 formed of a plastic material is preferred. The cylinder head 30 includes a cover body 31 and a main connecting portion 32. The cover body 31 defines a valve chamber 33 with an opening facing downward, and is provided by the valve chamber 33. The cover body 31 has a plurality of fixing protrusions 34 on the periphery thereof. As shown in FIG. 3, in the preferred embodiment, the cover body 31 has three fixing protrusions 34, and the fixing protrusions are disclosed. The portions 34 respectively correspond to the three fixing portions of the fixing seat: the convex portions m and 121, and each of the fixing convex portions 34 has a perforation, and the main connecting portion 32 is formed in the middle of the top of the cover body 31 and is axially convex. Figure 1 is a partial cross-sectional view of the air compressor in the pressurization phase. Figure 5 is a partial cross-section of the preferred embodiment of the combined cylinder housing shown in Figures 1 and 2 applied to the air compressor. schematic diagram. Fig. 6 is a perspective view showing the appearance of a conventional electric air compressor. Figure 7 is an exploded perspective view of the electric air compressor shown in Figure 6. Fig. 8 is a partial cross-sectional view showing the electric air compressor shown in Figs. 6 and 7 in a pressurizing stage. Figure 9 is a partial cross-sectional view of the electric air compressor of Figures 6 and 7 in the intake phase. [Main component symbol description] 1 combined cylinder housing 3 piston 5 motor 7 valve group 9 spring 2 piston rod 4 check valve plate 6 transmission assembly 8 valve block 10 fixing seat 11 side plate portion 1 11 fixing convex portion 1 2 Β Second side plate portion 1 2 2 clamping portion 124 curved curved fixing portion 21 cylinder seat peripheral wall 23 piston chamber 25 assembled convex portion 12 Α first side plate portion 1 21 fixed convex portion 123 support portion 20 gas red seat 2 2 seat plate portion 24 Middle hole 26 ring - · Conical surface · 30 gas cover 31 cover body 11 M438544 32 Main connection part 33 Valve chamber 34 Fixing convex part 35 Side joint pipe part 40 Sealing ring 50 Screw 60 Combined cylinder housing 61 Fixed Rack 611 Back plate 612 Side plate 613 Fixing plate 62 Gas red seat 621 Round cylinder 622 Fixing portion 623 Piston chamber 63 Cylinder head 631 Projection 632 Middle hole 633 Sealing ring 64 Connector 641 Connecting pipe portion 642 Sealing ring 643 Convex Block 70 Piston rod 71 Piston 72 Check valve plate 80 Motor 81 1 Geared drive assembly 90 Valve block 91 Valve block 92 Spring