M270005 八、新型說明： 【新型所屬之技術領域】 本創作係屬於氣動工具之技術領域，尤指一種設於氣 動工具之排氣通道之減音構造。 【先前技術】 如附件一所示之公告第529524號「氣動工具之減音 構k」新型專利案（以下簡稱參考案一），係於氣動工耳 排氣通道之排出端設有一具有通孔2 4之端體2 〇，以^ 一容設於端體2 0内之消音纖維體3 〇。其所稱之消音纖 維體3 0係如海綿物體。其雖然具有減音功效，然而，仍 具有其無法改變之缺失： 1 ·由於其僅佔據氣動工具排氣通道之排出端一部份 亦即，尚速之咼壓氣體係先通過一段空間以後，方通、尚 消音纖維體消音，而氣體通過該排氣通道空間時，即會I 生巿曰’故其減音效果有限。M270005 8. Description of the new type: [Technical field to which the new type belongs] This creation belongs to the technical field of pneumatic tools, especially a sound reduction structure provided in the exhaust passage of the pneumatic tool. [Prior Art] As shown in Annex I, the new patent case No. 529524 "Noise Reduction Structure of Pneumatic Tools" (hereinafter referred to as Reference Case No. 1) is provided with a through hole at the discharge end of the exhaust channel of the pneumatic lug. The end body 20 of 2 4 is a sound-absorbing fiber body 30 which is contained in the end body 20 with ^. The so-called silencing fiber body 30 is like a sponge. Although it has the effect of sound reduction, it still has its irreversible defect: 1 · Because it only occupies a part of the exhaust end of the exhaust channel of the pneumatic tool, that is, the speed of the compressed air system first passes through a space, the Passive and sound-reducing fibrous bodies are silenced, and when the gas passes through the space of the exhaust passage, the sound will be reduced, so its sound reduction effect is limited.
而阻塞通道，形成氣體不易被釋出之缺失…，…形And blocking the passage, forming a gas that is not easy to be released ...
，此外，如附件二所示之公告第417559號「氣動工具 之消音裝置」新型專利t (以下簡稱參考案二），其係有 鑑於一般以海綿塊作為氣動工具之吸音裝置的缺失而μ 計-種以塑膠射出一體成型之消音裝置"，該消音裝： 1 〇内部設有以一導接體2 〇間隔開之進氣腔室3 &出 氣腔室4 G，各於進氣腔室3 Q及出氣腔室4 Q 排列設有貫穿之進氣口35、出氣口45。當其組褒於氣 4 M270005 動工具8 〇之排氣通道8 2之氣室8 6内時消音裝置1 〇之外周壁係與氣室86之内周壁形成—距離，致使欲排 出之乳體進人進氣腔室3 0以後，通過進氣腔室3 〇周壁 向外排出於氣室86内’再通過出氣腔室4◦之周壁而進 入出氣腔室4 0内，最後由出氣腔室4 〇排出。 然而，由於前述參考案之消音裝置係藉由設於中段之 導接體2 2而—分為二，致使進氣腔室3 Q之通道過短， 減音效果低。 疋以，現有使用於氣動工具之減音裝置，各自有無法 改進之缺失，仍有加以改良之必要。 【新型内容】 為了改善前述缺失，本創作之主要目的在於提供一種 具有足夠之，肖音空間’可以有效降低氣動卫具嗓音之交錯 式減音裝置。 基於上述目的，本創作之主要技術手段在於提供一種 氣動工具之交錯式減音褒置，包括一中空之本體，本體之 兩端分別設為進氣端、出氣端，於本體内周壁丨，沿著進 氣端與出氣端之延伸方向設有複數個消音片，兩相鄰之消 音片不相互接觸’並且兩相鄰之消音片分別固定於相互遠 離之本體㈣上，I得本體每—徑向斷面均只設有一消音 片0 藉由上述本創作之設計，將其設於搶型之氣動工具的 之排氣道内，配合位於末端之多孔性物體（海綿物體）， 可以使空氣先通過交錯設置之消音片所形成之迂迴通道， 5 M270005 再經由多孔性物體排出，而由於減音裝置具有足夠的長度 ，有效達到減音效果。 又，倘將本創作實施於直筒狀之氣動工具的排氣通道 時’於各消音片側邊設有貫穿本體周壁的排氣槽，而塑膠 射出成型之減音裝置即可以改善習知消音纖維受到氣體壓 力而變形阻塞的缺失。 【實施方式】 明參閱第一、二圖所示，係基於相同設計概念之兩種 實施型態，主要於氣動工具（6〇) (7〇)之排氣通道 (61) (71)内設一減音裝置（ι〇) (30)，該 減音裝置（1〇) (30)包括一中空本體（11) (3 1) ’其中兩相對端分別界定為進氣端（iiQ) (31 0 )、出氣端（1 1 1 ) (311)，進氣端（]_ 〇 ) (310)與出氣端（ill) (3li)呈貫通狀，又 於進氣端（11〇) (310)與出氣端（iii) (3 11)之間設有複數片呈交錯的消音片（11 2) (3 1 2) ’使得氣體經由進氣端（110) (310)輸入以 後，运回通過各消音片（1 1 2 ) (312)，以達到減 音效果。 其中，關於第一圖所示，係將本創作之減音裝置（1 0)實施於搶型氣動工具（6 0)之實施示意圖，氣動工 具（6〇)之握把内部設有一進氣道（62)、一排氣通 道（6 1)，於握把底端内部設有一容室（6 3)，進氣 道（6 2)以及排氣通道（6 1 )係共同設於容室（6 3 6 M270005In addition, as shown in Annex No. 417559, "Pneumatic Tools Silencer" new patent t (hereinafter referred to as Reference Case 2), it is calculated in view of the lack of a sponge block as a sound absorption device for pneumatic tools. -A kind of integrated silencer with plastic injection ", the silencer: 1 〇 inside is provided with a lead body 2 〇 spaced into the inlet chamber 3 & outlet chamber 4 G, each in the inlet chamber The chamber 3 Q and the air outlet chamber 4 Q are provided with an air inlet 35 and an air outlet 45 penetrating therethrough. When the group is in the air 4 M270005 inside the exhaust channel 8 2 of the moving tool 8 〇 inside the air chamber 8 6, the outer peripheral wall of the muffler device 10 forms a distance from the inner peripheral wall of the air chamber 86, causing the breast to be discharged. After entering the air intake chamber 30, it is discharged into the air chamber 86 through the peripheral wall of the air intake chamber 30, and then enters the air exit chamber 40 through the peripheral wall of the air exit chamber 4◦, and finally exits from the air exit chamber. 4〇Exhausted. However, since the muffler device of the aforementioned reference is divided into two by the guide body 22 provided in the middle section, the passage of the intake chamber 3 Q is too short, and the sound reduction effect is low. Therefore, the existing noise reduction devices used in pneumatic tools have their own defects that cannot be improved, and still need to be improved. [New content] In order to improve the aforementioned shortcomings, the main purpose of this creation is to provide a staggered noise reduction device with sufficient, Xiaoyin space ’that can effectively reduce the sound of pneumatic sanitary equipment. Based on the above purpose, the main technical means of this creation is to provide a staggered noise reduction arrangement for pneumatic tools, which includes a hollow body. The two ends of the body are respectively set as the air inlet end and the air outlet end. A plurality of silencer pieces are provided in the extending direction of the inlet end and the outlet end, and two adjacent silencer pieces are not in contact with each other ', and two adjacent silencer pieces are respectively fixed on the body 远离 away from each other. There is only one silencer piece in the cross section. According to the design of the above creation, it is set in the exhaust duct of the grab-type pneumatic tool. With the porous object (sponge object) at the end, the air can pass through first. The detour channel formed by the staggered silencer films, 5 M270005 is then discharged through a porous object, and the sound reduction device has sufficient length to effectively achieve the sound reduction effect. In addition, if this creation is implemented in the exhaust channel of a straight-shaped pneumatic tool, an exhaust groove that runs through the peripheral wall of the body is provided on the side of each sound-absorbing sheet, and the sound-absorbing device molded by plastic injection can improve the conventional sound-absorbing fiber. Lack of deformation and blockage due to gas pressure. [Embodiment] As shown in the first and second figures, two implementation types based on the same design concept are mainly installed in the exhaust channel (61) (71) of the pneumatic tool (60) (70). A noise reduction device (ι〇) (30), the noise reduction device (10) (30) includes a hollow body (11) (3 1) 'where two opposite ends are respectively defined as an air inlet end (iiQ) (31 0), the air outlet (1 1 1) (311), the air inlet (] _ 〇) (310) and the air outlet (ill) (3li) are in a penetrating shape, and at the air inlet (11〇) (310) A plurality of staggered silencers (11 2) (3 1 2) are provided between the air outlet (iii) (3 11) and the air outlet (iii) (3 11). Silencer (1 1 2) (312) to achieve sound reduction effect. Among them, as shown in the first figure, it is a schematic diagram of the implementation of the original sound reduction device (10) in a grab-type pneumatic tool (60). An air inlet is provided inside the grip of the pneumatic tool (60). (62) An exhaust passage (6 1). A holding chamber (6 3) is provided inside the bottom end of the grip, and the air inlet duct (6 2) and the exhaust passage (6 1) are jointly provided in the holding chamber ( 6 3 6 M270005
)底部，於該容室（6 3)内設有一中空之端套（20) ，該端套（2 0 )係朝向氣動工具（6 0 )握把内側該端 係與進氣道（6 2)以及排氣通道（6 1 )連通，而端套 (2 0 )位於握把外側該端形成一封閉端面，並且於該封 閉端面上設有一與進氣道（6 2.)同軸之結合孔（2 1 ) ，該結合孔（2 1 )朝外該端設有複數個環狀排列之出氣 槽（22)，另設有一穿置於結合孔（2 1)並且螺設於 進氣道（62)之進氣導管（23)，藉由該進氣導管（ 2 3 )輸入來自於空氣壓縮機之高速高壓空氣，另於端套 (2 0 )内設有一多孔性物體（2 4 )(如海綿物體）， 又設一夾制於該多孔性物體（2 4 )與減音裝置（1 〇 ) 、進氣道（62)之間的定位體（25)，該定位體（2 5 )為一扁平狀的塑膠射出物體，其中一端設有供進氣導 管（2 3 )穿過之定位孔（2 5 0 )，另一端則設有至少 與減音裝置（1 0)内部相通之穿孔（2 5 1 )。 而所述之減音裝置（工◦)之消音片（工工2)係設 於本體（1 1 )之内周壁上，沿著氣體之排出方向依序設 有間隔設置之消音片（112)，兩相鄰之消音片（11 2 )係分別固定於本體r τm时上 艰（1 1 )内周壁相互遠離該側，而 兩消音片（1 1 2 )相互細斥 伯互鄰近該側則略微重疊而互呈交錯 狀，使減音裝置（1 q〉夕、仓> / )之進氣端（1 1 0 )至出氣端（ 1 1 2)之間形成it迴的流通道。 前述高速高壓之翁興 虱體由進氣導管（23)輸入，經由 進氣道（6 2 )進入氣私 、動工具（δ 0)内，提供轉子轉動 7 M270005 之動力’而轉子轉動以後所產生之風力即通過減音裝置（ 10)运迴的流通道，共且使各消音片（112)振動而 使聲波抵鎖，達到減音效果，又氣體排出於減音裝置（i 〇)之後’再通過定位體（25)之各穿孔（251)， 經由多孔性物體（2 4 )、結合孔（2 1 )、出氣槽（2 2 )排出。而由於多孔性物體（2 4 )係夾制於定位體（ 2 5 )與端套（2 0 )的封閉端之間，並且氣體係分別由 φ /σ著穿孔（2 5 1 )排出，不至於壓迫多孔性物體（2 4 )隻形，使其阻塞，可以使氣體順利排出。並且本創作之 設計具有足夠之長度進行減音工作，有效達成減音效果。 第二圖所示’係本創作實施於直筒狀之氣動工具（7 〇)，其中一端中間形成一進氣道（72)，於進氣道（ 72)上固定一進氣導管（73)，進氣導管（73)内 ^與進氣道（72)連通，所述之排氣通道（71)即設 ;進氣導萑（7 3 )外側與氣動工具（7 〇 ) θ周壁之間 •立於排氣通道（71)裝設所述之減音裝置（30)，減 :裝置（30)包括一中空之圓筒狀本體（31)，其兩 知面分別界定為朝向氣動工具内部之進氣端 3)另端則為出氣端（314)，於進氣端（31 3 )與出轧端（3 1 4 )之間，沿著出氣方向（即減音裝 置（3 〇 )之軸向）依序設有消音片（3 1 2 )，兩相鄰 之消音片（3 1 2)分別位於減音裝置（3 〇)之相互遠 μ之内周壁上’並且各消音片（3丄2 )係貼抵於進氣導 (7 3 )之外周壁，各消音片（3丄2 )之兩側分別設 8 M270005 有貫穿減音裝置（3Π"ί田辟 U)周壁之排氣槽（313)，使得 排氣時’氣流係受卩且於I、、Α立 瓦各4音片（312)，而依序由排 孔槽（3 1 3 )排出於減音裝置（3 〇 )夕卜側，或者經由 排氣槽（3 1 3 )排入減音裝置（3 0 )内侧。 請同時參閱第二、二蘭％ - 从丄 ^ 一圖所不，於本較佳實施例當中， 所述之減音裝置（3〇) 之本體（3 1)係由兩個半圓筒 狀的本體部（30〇) fQn,、 U } (3〇1)所對合而成，本體（3 1 )之兩端〔即進氣端（3 1 0 )及出氣端（3 1 1 )〕 外周緣呈敉向延伸’使兩端外徑大於中段部位，而兩本體 Ρ ( 3 0 〇 )( 3 〇 1 )内部分別設有位置相錯的消音片 (3 ^ 2 )，亦即，相對於減音裝置（3 0 )之軸心而言 、’曰片（3 5 )係位於不同徑向斷面上，另於各消音 片（312)之側邊設有一貫穿本體部（3〇〇) (3〇 1 )周壁之排氣槽（3丄3 )。 虽將減音裝置（3〇)如第二圖所示，安裝於直筒狀 的氣動工具時’除了將減音裝置（30)冑裝於進氣導管 (7 3 )外側及排氣通道（7 i )内周壁之間，另於氣動 具（70)之端部結合一端蓋（4〇)，該端蓋（4〇 )係為中空之圓筒狀套體’其中一端内周壁設有呈環狀排 列之出氣槽（41)，另一端則設有一與出氣槽（41) 相通之容室（42),所述之減音裝置（30)之出氣端 (3 1 1)即頂撐於容室（42)鄰近出氣槽（4ι)該 端面。 當高速高壓之氣體由進氣導管（7 3 )輸入，提供轉 9) At the bottom, a hollow end sleeve (20) is provided in the receptacle (63), the end sleeve (20) is directed toward the inner side of the grip of the pneumatic tool (60), and the end is connected with the air inlet (6 2) ) And the exhaust channel (6 1), and the end sleeve (2 0) is located outside the grip to form a closed end surface, and a closed hole coaxial with the air inlet (6 2.) is provided on the closed end surface. (2 1), the coupling hole (2 1) is outwardly provided with a plurality of annularly arranged air outlet grooves (22), and another one is provided through the coupling hole (2 1) and is screwed into the air inlet ( The air inlet duct (23) of 62) is used to input high-speed and high-pressure air from an air compressor through the air inlet duct (2 3), and a porous object (2 4) is provided in the end sleeve (20). Such as a sponge object), and a positioning body (25) sandwiched between the porous object (2 4), the noise reduction device (10), and the air inlet (62), and the positioning body (2 5) It is a flat plastic ejection object, one end of which is provided with a positioning hole (2 50) through which the intake duct (2 3) passes, and the other end is provided with a perforation which is at least communicated with the interior of the sound reduction device (10). (2 5 1)The muffler sheet (worker 2) of the noise reduction device (worker) is provided on the inner peripheral wall of the body (1 1), and the muffler pads (112) are arranged at intervals along the discharge direction of the gas. The two adjacent silencer pieces (11 2) are respectively fixed on the body r τm when the inner peripheral walls of the upper part (1 1) are far away from each other, and the two silencer pieces (1 1 2) are repelled each other and adjacent to the side. It slightly overlaps and staggers each other, so that the flow path of the it return is formed between the air inlet end (1 1 0) and the air outlet end (1 1 2) of the sound reduction device (1 q> evening, warehouse> /). The aforementioned high-speed and high-pressure Weng Xing body is input by the air inlet duct (23), enters the air-conditioning and moving tools (δ 0) through the air inlet (6 2), and provides the power for the rotor to rotate 7 M270005. The generated wind is the flow channel transported back through the sound reduction device (10), and the sound reduction pieces (112) are vibrated to block the sound waves to achieve the sound reduction effect, and the gas is discharged after the sound reduction device (i 〇) 'After passing through the perforations (251) of the positioning body (25), it is discharged through the porous object (2 4), the coupling hole (2 1), and the air outlet groove (2 2). Since the porous object (2 4) is sandwiched between the positioning body (2 5) and the closed end of the end sleeve (20), and the gas system is discharged from the perforation (2 5 1) at φ / σ, As for compressing the porous object (2 4) to make it block, the gas can be smoothly discharged. And the design of this creation has sufficient length for sound reduction work to effectively achieve the sound reduction effect. Shown in the second figure is that this creation is implemented in a straight air tool (70), in which one end forms an air inlet duct (72), and an air inlet duct (73) is fixed on the air inlet duct (72). The inside of the intake duct (73) communicates with the intake duct (72), and the exhaust passage (71) is set up; the outside of the intake duct (7 3) and the peripheral wall of the pneumatic tool (7 〇) θ • The noise reduction device (30) is installed on the exhaust passage (71), and the reduction: device (30) includes a hollow cylindrical body (31), and its two faces are respectively defined as facing the interior of the pneumatic tool. Inlet end 3) The other end is the outlet end (314), between the inlet end (31 3) and the exit end (3 1 4), along the axis of the air outlet direction (that is, the noise reduction device (30)) (Direction) sequentially provided with silencer pieces (3 1 2), two adjacent silencer pieces (3 1 2) are respectively located on the inner peripheral wall of the sound reduction device (30) far from each other and each silencer piece (3 丄2) It is attached to the outer peripheral wall of the air intake guide (7 3), and the two sides of each muffler (3 丄 2) are provided with 8 M270005 exhaust grooves that penetrate the peripheral wall of the sound reduction device (3Π " ί 田田 U). (313) so that when exhausted ' The flow system is subject to four sounds (312) each in I, A Liwa, and is sequentially discharged from the row of slots (3 1 3) to the side of the sound reduction device (30), or through the exhaust groove. (3 1 3) into the sound reduction device (30). Please refer to the second and second blue% at the same time-from 丄 ^ one figure, in the preferred embodiment, the body (3 1) of the noise reduction device (30) is composed of two semi-cylindrical The main body (30〇) fQn, U} (3〇1) is formed by the two ends of the main body (3 1) [ie, the air inlet end (3 1 0) and the air outlet end (3 1 1)] The edge extends in a 敉 direction 'so that the outer diameter of the two ends is larger than that of the middle section, and the two bodies P (30 〇) (3 〇1) are respectively provided with mutually staggered mufflers (3 ^ 2) inside, that is, relative to In terms of the axis of the sound-absorbing device (30), the '(3 5) pieces are located in different radial sections, and a side of each sound-absorbing piece (312) is provided with a through-body portion (300). (30.1) A vent groove (3 丄 3) on the peripheral wall. Although the noise reduction device (30) is shown in the second figure, when mounted on a straight air tool, the sound reduction device (30) is installed outside the intake duct (7 3) and the exhaust passage (7). i) Between the inner peripheral walls, an end cap (40) is connected to the end of the pneumatic tool (70), and the end cap (40) is a hollow cylindrical casing. The air outlet grooves (41) are arranged in a row, and the other end is provided with a storage chamber (42) communicating with the air outlet grooves (41). The chamber (42) is adjacent to the end face of the air outlet groove (4m). When high-speed and high-pressure gas is input from the inlet duct (7 3),
M27UUUD 子轉動之動为 (71)W，透過=㈣’產生之風力即由排氣通道 達到減音之效果，再由二的减音裝置（3 〇)通道設計， 之間的出氣槽（4 i )排出盍。（4 〇 )與進氣導管（7 3 ) 【圖式簡單說明】 之 第一圖係本創作第— 局部剖面示意圖。 &實轭於搶型氣動工具The movement of the M27UUUD is (71) W, and the wind generated by the transmission of ㈣ 'is used to reduce the sound by the exhaust channel, and then it is designed by the second sound reduction device (30) channel, and the air outlet groove (4 i) discharge 盍. (40) and the air inlet duct (73). [Schematic description of the first] The first picture is the first part of this creation-a schematic diagram of a partial section. & Yoke type pneumatic tools
第二圖係本創作第-錄 之局部剖面示意圖。型態，實施於另一種氣動工具 第三圖係本創作第 第四圖係本創作第 一種型態之立體分解示意圖。 二種型態與端蓋之立體分解示意圖The second picture is a partial cross-sectional view of the first part of this creation. The pattern is implemented in another type of pneumatic tool. The third picture is the three-dimensional exploded view of the first form of this creation. Three-dimensional decomposition diagram of two types and end caps
【主要元件符號說明】 (1 0)減音裝置 (1 1 0 )進氣端 (1 1 2 )消音片 (2 1 )結合孔 (2 3 )進氣導管 (2 5 )定位體 (2 5 1 )穿孔 (3〇〇) (3〇1) (31)本體 (311)出氣端 (313)排氣槽 (II) 本體 (III) 出氣端 (2 0 )端蓋 (2 2 )出氣槽 (2 4 )多孔性物體 (2 5 0 )定位孔 (3 0 )減音裝置 本體部 (31〇)進氣端 (312)消音片 (4 0 )端蓋 M270005 (41)出氣槽 （ (60)氣動工具 （ (6 2 )進氣道 （ (7 0 )氣動工具 （ (7 2 )進氣道 （ 4 2 )容室 6 1 )排氣通道 6 3 )容室 7 1 )排氣通道 7 3 )進氣導管[Symbol description of main components] (1 0) Sound reduction device (1 1 0) Air inlet (1 1 2) Silencer (2 1) Combining hole (2 3) Air inlet duct (2 5) Positioning body (2 5 1) Perforated (300) (301) (31) Body (311) Air outlet (313) Exhaust tank (II) Body (III) Air outlet (20) End cover (2 2) Air outlet ( 2 4) Porous object (2 50) Positioning hole (3 0) Noise reduction device body (31) Air inlet (312) Silencer (4 0) End cover M270005 (41) Air outlet groove (60) Pneumatic tools ((6 2) Intake ducts ((7 0) Pneumatic tools ((7 2) Intake ducts (4 2) Receiving chamber 6 1) Exhaust passage 6 3) Receiving chamber 7 1) Exhaust passage 7 3 Intake duct
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