1337897 九、發明說明： L 一— 【發明所屬之技術領域】‘ 本發明係關於一種噴塗裝置，尤其係關於一種具過濾裝置之喷塗裝置。 【先前技術】 通常，我們於電腦機箱、顯示器、電視機、甚至行動電話等各種產品表面喷 塗一層塗料，從而同時實現美觀及保護物趙表面之效果。傳統喷塗裝置係其塗料 罐内之塗料在扳動扳機後直接喷出’然而塗料喷塗是非常精細之工藝，塗料中通 常有分散不佳之顏料聚集體’此顏料聚集體喷至產品表面時將造成塗膜缺陷，使 產品表面較易損壞，同時影響美觀。 、、1337897 IX. Description of the invention: L-—Technical field of the invention ‘ The present invention relates to a spraying device, and more particularly to a spraying device with a filtering device. [Prior Art] Generally, we apply a layer of paint on the surface of various products such as computer cases, monitors, televisions, and even mobile phones, so as to achieve the effect of aesthetics and protection of the surface of the object. The traditional spraying device is that the paint in the paint can is directly sprayed after the trigger is pulled. However, the paint spraying is a very fine process, and the paint usually has poorly dispersed pigment aggregates. This pigment aggregate is sprayed onto the surface of the product. It will cause film defects, which will make the surface of the product more susceptible to damage and affect the appearance. ,
於1994年5月18日公告之中國大陸專利第932184715號揭示了一種喷塗 裝置，其於塗料罐内設置一過濾杯’過濾杯内設一過濾網，由此過濾塗料中分散 不佳之顏料聚集體，使喷出之塗料更爲均勻，從而使喷塗效果更好。然，該喷塗 裝置之缺點在於，其過濾網係藉由塗料之重力而通過過遽網，由於塗料一般钻度 較尚’故較難透過過遽網，因此過濾速度較慢’另，若將過滤網網格加大貝,丨過渡 效果不佳。 【發明内容】 有鑒於此’提供一種具過濾裝置、且過濾效果好、速度快之喷塗裝置實為必 要。 所述喷塗裝置包括一喷搶及一塗料罐。該噴搶包括一抽氣管、一充氣管及一 噴嘴’抽氣管及充氣管均與喷嘴相連通；該塗料罐包括一罐體及一過滤網，過滤 網設於罐體内而將罐體分成上部及下部，罐體與大氣相通；該塗料罐之罐體^部 藉由一管道分別與抽氣管及充氣管連通，該管道上設有閥體，該閥體控制抽氣管 及充氣管與罐體相通與關閉。 相較習知技術，本發明之喷塗裝置藉由^氣管將罐體下部之氣體抽出，使罐 體下部之氣麼小於上部之氣壓，從而使塗料在壓力作用下較快地通過過濾網，且 過濾效果較好。 【實施方式】 請參閲第一圖’本發明較佳實施例喷塗裝置包括一喷搶1〇2及一塗料罐1〇4。 該喷搶102内設有一橫向通道1〇22。一活塞1〇24可滑動地設於橫向通道 1022内’活塞1024與橫向通道ι〇22之内壁緊密貼合而使氣體不能通過。該活 5 ⑧ er年巧ii。 塞1024内開設一橫L形通氣管1026。該橫向通道1022之一端開設一出口（圖 未標）’一輪氣管106及一喷氣管· 109均與該出口連通，該輸氣管1〇6包括一第 一輸出σ 1062’該喷氣管109包括一第一輸入口 1〇94，輸氣管106及喷氣管1〇9 上分別設有一單向閥1064、1092。該喷搶1〇2内還設有一抽氣管1027及一充氣 管1028，該抽氣管1〇27連通一真空泵（圖未示），該充氣管1〇28連通一空壓機 (圖未示）’該抽氣管1027與充氣管1〇28分別與橫向通道1022相通。抽氣管 1027、充氣管1〇28及橫向通道1〇22之出口依次沿活塞1024之滑動方向排列而 與橫向通道1022相通。 該噴搶102還包括一位於其端部之噴嘴1〇29及一扳機110 »塗料從該喷嘴 1029處喷出’喷嘴1〇29還包括有喷出口（圖未示）、霧化裝置（圖未示）等， 其可爲通用之結構’故在此不再贅敘。該扳機之一端藉由一螺釘或銷釘等（圖 未標）可轉動地連接到噴搶102上，其中部與一連桿112相連。該連桿112之兩 端分別藉由一较鏈連接至該扳機110及噴搶1〇2内之活塞1〇24，由此連桿112 可分別相對扳機110及活塞1024轉動。嘴搶1〇2上設置二彈性撞塊1〇3〇，用以 限制扳機110之位置。扣動扳機11〇則可推動連桿112進而推動活塞1〇24，從而 使活塞1024之通氣管1〇26分別與抽氣管1〇27及充氣管1028相通。 該塗料罐104包括一罐體1〇42、一蓋體1〇44及一過濾網1〇46。該罐體1〇42 爲一端敞開、另一端封閉之圓筒，其由所述過滤網1〇46分成上部1〇48及下部 1050。蓋體1〇44蓋於罐體1〇42上’將罐體之敞開端封閉，其上開設有複 數通孔1052，從而使罐體1042之上部1048與大氣相通.該塗料罐104還包括 一具第二^出口 1055之喷塗管1〇54及一具第二入口 1〇58之入氣管1〇57，噴 塗管1054上設有一單向閥1〇56 ’喷塗管1〇54及入氣管1057均與罐體1〇42之 下部1050相通’且噴塗管1〇54連接於下部1〇5〇底部，入氣管1057連接於下部 1050底部。喷塗管1〇54之第工^出口 1〇55與喷氣管1〇9之第一輸入口 1〇94連 接’該喷塗管1054還與喷搶1〇2之噴嘴1〇29相通，入氣管1〇57之第二^入口 1058與輸氣管1〇6之第-輸出口 1〇62連接。 當該噴塗裝置不使用時候’扳機110處於一第一位置，此時，活塞1〇24之 通氣管1026與抽氣管1〇27及充氣管1028皆不相通，即第一圖所示狀態。 使用該喷塗裝置喷塗塗料時，首先扣動扳機110，活塞1024在橫向通道1〇22 内滑動，當扳機no碰到較靠近扳機之擋塊1030時，活塞1024之通氣管1〇26 與抽氣管1027相通’真空泵從抽氣管1027朝外抽氣，此時，單向閥1〇64打開， 1337897 ΡΙ-ϋ β R修(更)正替 單向閥1092、1056關閉，從而將塗料罐104之罐體1〇42下部1〇5〇内之氣體抽 掉’使罐體1042下部1050之氣壓小於上部1Q48之氣廢，罐體1〇42上部1048 内之塗料在壓力作用下經過過濾、網1046而進入下部1〇5〇内，由此塗料被過濾網 1046過濾’實現抽氣過濾’即第二圖所示狀態；繼續扣動板機11〇，板機11〇碰 到另一擋塊1030 ’活塞1024在橫向通道1022内繼續滑動，當扳機no碰到另 一檔塊1⑽時’活塞1024之通氣管1026與充氣管丨⑽相通，空壓機朝充氣管 1028内充氣’此時，單向閥1054關閉’單向閥1〇56、1〇92打開，塗料罐104 之罐體1042下部1050内之塗料由於重力及氣流作用流入喷塗管ι〇54，塗料在 喷氣管109内之氣體作用下從喷嘴1029處喷出喷塗裝置，實現喷塗塗料，即第 三圖所示狀態。 可以理解，塗料罐104可直接設於喷塗裝置之喷搶1〇2上，其亦可與噴搶 102分離。蓋體1044之通孔1052可爲任意個。另，可省略入氣管1〇57、^氣管 ^06及單向閥1Q56、1〇64、1〇92，而於緊靠喷嘴1〇29處設一單向閥，如此，抽 氣時單向閥關閉，罐體1042下部1050内之氣體經由喷塗管1054及喷氣管1〇9 抽出，充氣時單向閥在氣體作用下打開，塗料從喷塗管1〇54流出並在氣體作用 下喷出喷嘴1029。 综上所述’本發明符合發明專利要件，爰依法提出專利申請。惟，以上所 述者僅為本發明之較佳實施例’本發明之範圍並不以上述實施例為限，舉凡熟習 本案技藝之人士援依本發明之精神所作之等效修飾或變化，皆應涵蓋於以 專利範圍内。 月 【圖式簡單說明】 第一圖係本發明喷塗裝置一較佳實施例不工作狀態之局部剖視圖。 第二圖係本發明噴塗裝置一較佳實施例抽氣過濾狀態之局部剖視圖。 第二圖係本發明喷塗裝置一較佳實施例喷塗狀態之局部剖視圖。 【主要元件符號說明】 噴搶 102 橫向通道 1022 活塞 1024 通氣管 1026 抽氣管 1027 充氣管 1028 喷嘴 1029 擋塊 1030 塗料罐 104 罐體 1042 蓋體 1044 過濾網 1046 上部 1048 通孔 1052 第二輪出口 1055 第二^入口 1058 第一輸出口 1062 喷氣管 109 連桿 112 1050 下部 •喷塗管 1054 入氣管 1057 輸氣管 106 單向閥 1056、1064、1092 扳機 110 8 1337897 «. « 七、指定代表圖： (一) 本案指定代表圖為：第（ 一）圖。 —*· —^ ~ (二) 本代表圖之元件符號簡單說明：Chinese Patent No. 932184715, issued on May 18, 1994, discloses a spraying device in which a filter cup is disposed in a paint can', and a filter is disposed in the filter cup, thereby filtering the poorly dispersed pigment in the paint. The aggregates make the sprayed paint more uniform, which makes the spraying effect better. However, the spray device has the disadvantage that the filter mesh passes through the web through the gravity of the paint, and since the paint generally has a relatively high degree of drilling, it is difficult to pass through the web, so the filtration speed is slower. If the filter mesh is increased, the transition effect is not good. SUMMARY OF THE INVENTION In view of the above, it is necessary to provide a spraying device having a filtering device and having a good filtering effect and a high speed. The spraying device includes a spray gun and a paint can. The spray blasting includes an air suction pipe, an air suction pipe and a nozzle, and the air suction pipe and the air inflation pipe are connected to the nozzle; the paint can includes a tank body and a filter net, and the filter net is disposed in the tank body to divide the tank body into In the upper part and the lower part, the tank body is connected to the atmosphere; the tank body of the paint tank is connected to the air suction pipe and the gas inflation pipe by a pipe, and the pipe body is provided with a valve body, and the valve body controls the air suction pipe and the gas pipe and the tank The body is connected and closed. Compared with the prior art, the spraying device of the present invention extracts the gas in the lower part of the tank by the air pipe, so that the gas in the lower part of the tank is smaller than the air pressure in the upper part, so that the paint passes the filter faster under the pressure. And the filtering effect is better. [Embodiment] Please refer to the first figure. The spraying device of the preferred embodiment of the present invention comprises a spray blasting 2 〇 2 and a paint can 1 〇 4 . The spray blast 102 is provided with a transverse passage 1 〇 22. A piston 1 〇 24 is slidably disposed in the transverse passage 1022. The piston 1024 is in close contact with the inner wall of the transverse passage ι 22 to prevent gas from passing therethrough. The live 5 8 er years qiao ii. A horizontal L-shaped vent tube 1026 is formed in the plug 1024. One end of the lateral passage 1022 defines an outlet (not labeled). A round of air tube 106 and a jet tube 109 are all connected to the outlet. The air duct 1 6 includes a first output σ 1062 ′. The first input port 1〇94, the gas pipe 106 and the gas pipe 1〇9 are respectively provided with a check valve 1064, 1092. An air suction pipe 1027 and an air inflation pipe 1028 are further disposed in the spray pipe 1〇2, and the air suction pipe 1〇27 is connected to a vacuum pump (not shown), and the air inlet pipe 1〇28 is connected to an air compressor (not shown). The air suction pipe 1027 and the air tube 1 28 are respectively communicated with the lateral passage 1022. The outlets of the suction pipe 1027, the inflation pipe 1〇28, and the transverse passages 1〇22 are sequentially arranged in the sliding direction of the piston 1024 to communicate with the lateral passage 1022. The spray blast 102 further includes a nozzle 1 〇 29 at its end and a trigger 110. The paint is ejected from the nozzle 1029. The nozzle 1 〇 29 further includes a discharge port (not shown) and an atomizing device (Fig. It is not shown, etc., and it can be a general structure' and therefore will not be described here. One end of the trigger is rotatably coupled to the spray 102 by a screw or pin or the like (not shown), and the middle portion is coupled to a link 112. The two ends of the connecting rod 112 are respectively connected to the trigger 110 and the piston 1 〇 24 in the squib 1 〇 2 by a relatively chain, whereby the connecting rod 112 can be rotated relative to the trigger 110 and the piston 1024, respectively. Two elastic bumpers 1〇3〇 are provided on the mouth grab 1〇2 to limit the position of the trigger 110. Pulling the trigger 11 可 pushes the connecting rod 112 and pushes the piston 1 〇 24, so that the vent pipe 1 〇 26 of the piston 1024 communicates with the suction pipe 1 〇 27 and the inflation pipe 1028, respectively. The paint can 104 includes a can body 1 〇 42, a cover 1 〇 44, and a filter 1 〇 46. The can body 1 〇 42 is a cylinder which is open at one end and closed at the other end, and is divided into an upper portion 〇 48 and a lower portion 1050 by the filter screen 1 〇 46. The cover body 〇44 is closed on the tank body 〇42. The open end of the tank body is closed, and a plurality of through holes 1052 are opened thereon, so that the upper portion 1048 of the tank body 1042 is open to the atmosphere. The paint tank 104 further includes a The spray pipe 1〇54 with the second outlet 1055 and the inlet pipe 1〇57 of the second inlet 1〇58, the spray pipe 1054 is provided with a one-way valve 1〇56′ spray pipe 1〇54 and into The air tubes 1057 are all in communication with the lower portion 1050 of the tank body 〇42 and the spray tubes 1〇54 are connected to the bottom portion of the lower portion 1〇5〇, and the air inlet tube 1057 is connected to the bottom portion of the lower portion 1050. The first working port of the spraying pipe 1〇54 is connected to the first input port 1〇94 of the jet pipe 1〇9. The spraying pipe 1054 is also connected to the nozzle 1〇29 of the jetting 1〇2. The second inlet 1058 of the gas pipe 1〇57 is connected to the first output port 1〇62 of the gas pipe 1〇6. When the spraying device is not in use, the trigger 110 is in a first position. At this time, the vent pipe 1026 of the piston 1 〇 24 is not in communication with the suction pipe 1 〇 27 and the inflation pipe 1028, that is, the state shown in the first figure. When spraying the paint with the spray device, the trigger 110 is first pulled, the piston 1024 slides in the transverse passage 1〇22, and when the trigger no hits the stop 1030 closer to the trigger, the vent pipe of the piston 1024 is 〇26 The vacuum pump is connected to the exhaust pipe 1027. The vacuum pump draws air from the exhaust pipe 1027. At this time, the check valve 1〇64 is opened, and 1337897 ΡΙ-ϋ β R repair (more) is closed for the check valves 1092 and 1056, thereby coating The gas in the lower part 1〇5〇 of the tank body 1〇42 of the tank 104 is sucked out 'the gas pressure in the lower part 1050 of the tank body 1042 is smaller than that in the upper part 1Q48, and the paint in the upper part 1048 of the tank body 1〇42 is filtered under pressure. , the net 1046 enters the lower part 1〇5〇, so that the paint is filtered by the filter net 1046 to realize the suction filtration, that is, the state shown in the second figure; continue to pull the trigger machine 11〇, the trigger 11 touches the other The stop 1030 'the piston 1024 continues to slide in the transverse passage 1022. When the trigger no hits the other block 1 (10), the vent tube 1026 of the piston 1024 communicates with the inflation tube (10), and the air compressor inflates the inside of the inflation tube 1028. When the check valve 1054 is closed, the one-way valve 1〇56, 1〇92 is opened, and the can of the paint can 104 The paint in the lower part 1050 of 1042 flows into the spraying tube ι 54 due to the action of gravity and air flow, and the coating sprays the spraying device from the nozzle 1029 under the action of the gas in the blast tube 109 to realize the spray coating, that is, the third figure State. It can be understood that the paint can 104 can be directly disposed on the spray booth 1 2 of the spray device, which can also be separated from the spray gun 102. The through hole 1052 of the cover 1044 may be any one. In addition, the air inlet pipe 1〇57, the air pipe ^06, the check valves 1Q56, 1〇64, and 1〇92 may be omitted, and a check valve is disposed adjacent to the nozzles 1〇29, so that one-way pumping is performed. The valve is closed, and the gas in the lower portion 1050 of the can body 1042 is withdrawn through the spray pipe 1054 and the gas pipe 1〇9. When the gas is inflated, the check valve is opened under the action of the gas, and the paint flows out from the spray pipe 1〇54 and is sprayed under the action of the gas. The nozzle 1029 is exited. In summary, the invention conforms to the patent requirements of the invention, and the patent application is filed according to law. However, the above description is only the preferred embodiment of the present invention. The scope of the present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make equivalent modifications or variations in accordance with the spirit of the present invention. It should be covered by patents. [First Description of the Drawings] The first drawing is a partial cross-sectional view of a preferred embodiment of the spraying apparatus of the present invention in an inoperative state. The second drawing is a partial cross-sectional view showing a state of suction filtration of a preferred embodiment of the spraying apparatus of the present invention. Figure 2 is a partial cross-sectional view showing a sprayed state of a preferred embodiment of the spray coating apparatus of the present invention. [Main component symbol description] Spray grab 102 Transverse channel 1022 Piston 1024 Vent pipe 1026 Exhaust pipe 1027 Inflation pipe 1028 Nozzle 1029 Stop 1030 Paint can 104 Drum 1042 Cover 1044 Filter 1046 Upper 1048 Through hole 1052 Second round exit 1055 Second ^ Inlet 1058 First Outlet 1062 Jet Pipe 109 Link 112 1050 Lower • Spray Tube 1054 Inlet Pipe 1057 Gas Pipe 106 Check Valves 1056, 1064, 1092 Trigger 110 8 1337897 «. « VII. Designated Representative: (1) The representative representative of the case is: (1). —*· —^ ~ (2) A brief description of the component symbols of this representative figure:
喷搶 102 活塞 1024 抽氣管 1027 喷嘴 1029 塗料罐 104 蓋體 1044 上部 1048 通孔 1052 第二^出口 1055 第二入口 1058 第一輸出口 1062 喷氣管 109 連桿 112 橫向通道 1022 通氣管 1026 充氣管 1028 擋塊 1030 罐體 1042 過渡網 1046 下部 1050 喷塗管 1054 入氣管 1057 輸氣管 106 單向閥 1056、1064、1092 扳機 110 八、本案若有化學式時，請揭示最能顯示發明特徵的化學式：Spray blast 102 Piston 1024 Suction tube 1027 Nozzle 1029 Paint can 104 Cover 1044 Upper 1048 Through hole 1052 Second exit 1055 Second inlet 1058 First output port 1062 Jet tube 109 Link 112 Transverse channel 1022 Vent tube 1026 Inflatable tube 1028 Stop 1030 Tank 1042 Transition mesh 1046 Lower 1050 Spray pipe 1054 Intake pipe 1057 Gas pipe 106 Check valve 1056, 1064, 1092 Trigger 110 8. If there is a chemical formula in this case, please disclose the chemical formula that best shows the characteristics of the invention: