1322227 九、發明說明： 【發明所屬之技術領域】 本發明係有關一種渦形壓縮機之渦形體結構，尤社— 匕*5曰—種具有 排氣壓力脈衝波之緩衝，使壓力變化幅度減小，相對降低噪音， 控制使熱效率降低，及能防止氣體過度壓縮導致渦旋壁破損，並 提高渦形壓縮機耐用性之新結搆。 【先前技術】 如第9圖所示，為習用之渦形壓縮機，其係於—機殼卯内設 有一固定渦旋體91及一可動渦旋體92，該機殼90内部被固定渦 旋體91區分為一壓縮氣體室93及一排氣室94，該機殼9〇於壓縮 氣體室93之一側設有一進氣口 931，於排氣室94 一側設有一排氣 口 941，而固定渦旋體91中央具有一出氣孔μ^，以供被壓縮之 氣體由壓縮氣體室93流向排氣室94後由排氣口 941排出；然而， 於壓縮過程之最後階段兩渦旋體91、92之中央擠壓頭之内渦旋壁 會相互接近達到密接狀態，而使排氣口被可動渦旋體92所閉塞； 但由於兩平面之接合會使氣體失去退路，使兩平面問氣體陷於過 壓縮狀態’因此’習用技術藉用兩渦旋體91、92之中央擠壓頭之 内壁加厚，以提高其強度，加強耐久性’但由於氣體過壓縮之過 大應力，無緩衝之處，容易招致中央擠壓頭破損。另有習用技術， 如第10圖及第Η圖所示之渦形壓縮機之固定渦旋體95及可動渦 旋體96於出氣孔951附近放大剖視圖，藉用兩渦旋體95、96於 5 中央擠壓頭之内壁開設一切口 97,以作為氣體過壓縮之壓力緩衝 部，但該切口形狀為急遽變化之方槽形構造，容易造成應力集中 於轉角，致使该切口之轉角為龜裂之起點，加以於原中央擠壓頭 之厚度由於此一缺97又縮減，實則非兩全其美的解決方案，實有 加以改進之必要。 【發明内容】 本發明之主要目的，在於解決上述的問題而提供一種渦形壓縮 機之新渦形體結構，藉由兩渦旋體之中央擠壓頭之内渦旋壁外部 各形成有一壓力緩衝凹入空間，以作為防止兩平面間氣體過壓縮 之壓力緩衝部，且上述中央擠壓頭之内渦旋壁内部形成有相對凸 出之擠壓座，凹入空間與擠壓座之間則形成有引導面；藉由可動 屑旋體與固定渦旋體結合時，可動渴旋體之擠壓座相對於固定渴 旋體之凹人空間，固定職體之擠壓座相對於可_旋體之凹入 空間，且兩引導面互契合相連接成連續螺旋導氣面，避免應力集 中放應，並使氣體以螺旋式排出，減少氣體脈衝波之衝擊，而達 ^乳體順暢平均排出之功效；*朗壓力突然集巾而導致衝瞬間 4排氣與間斷的現象，耐彡響壓齡、統之正常運作。 本發明係提供一種渦形壓縮機之渦形體結構，該渦形體包含有 口、咖疋體及-可動渴旋體，固定渦旋體及可動渴旋體之中央 > [頭均於⑽旋壁外部各形成有—防止紐過壓縮之壓力緩衝 二間，且上述兩個中央擠壓頭之内渦旋壁内部各形成有相對 凸出之_座’凹入如與擠壓壁之間則形成有引導面；藉由可 動渴旋體翻定舰縣合時’可動顺體之_翻鱗固定 2體之凹人空間，固定織體之擠壓座相對於可動渦旋體之凹 入I間’且兩引導面互相契合魏成職導氣面，以避免應力集 中致應’防止氣體過賴縮導致渦旋壁破損，並使氣體以螺旋式 排出，減少氣體脈紐之衝S，而達到氣體順暢平均排出之功效。 本發明之上述及其他目的與優點，不難從下述所翻實施例 之詳細說明與附圖中，獲得深入了解。 當然，本發明在某些另件上，或另件之安排上容許有所不同， 但所選用之實施例，則於本說明t中’相詳細朗，並於附圖 中展示其構造。 【實施方式】 請參閱第1圖至第8圖，圖中所示者為本發明所選用之實施 例結構，此僅供說明之用，在專利申請上並不受此種結構之限制。 °月參閱第1圖，本發明係一種渦形壓縮機之渦形體結構，其 滿形麗縮機具有-；}驗1，該機殼丨㈣設有—固定顺體2並樞 a又有一可與固定渦旋體2相對、作偏心轉動之可動渦旋體3，且機 殼1内部空間被IU定顺體2區隔成兩個空間，其―為固定渦旋 體2與可動渦旋體3所形成之壓缩氣體室4,另一側即為_排氣室 5 ’該壓縮氣體室4可因可動渦旋體3之偏心轉動而縮小容積，該 機殼1於壓縮氣體室4之一側設有一進氣口 41，而於排氣室5之1322227 IX. Description of the invention: [Technical field of the invention] The present invention relates to a scroll structure of a scroll compressor, which is characterized by a buffer of exhaust pressure pulse waves, which reduces the pressure variation amplitude. Small, relatively low noise, controlled thermal efficiency reduction, and a new structure that prevents excessive compression of the gas and causes damage to the vortex wall and improves the durability of the scroll compressor. [Prior Art] As shown in Fig. 9, a conventional scroll compressor is provided with a fixed scroll 91 and a movable scroll 92 in a casing, and the inside of the casing 90 is fixed The rotary body 91 is divided into a compressed gas chamber 93 and an exhaust chamber 94. The casing 9 is provided with an air inlet 931 on one side of the compressed gas chamber 93 and an exhaust port 941 on one side of the exhaust chamber 94. And the center of the fixed scroll 91 has an air outlet μ for the compressed gas to flow from the compressed gas chamber 93 to the exhaust chamber 94 and then exhausted by the exhaust port 941; however, the two scrolls in the final stage of the compression process The inner scrolls of the central extrusion heads 91, 92 are close to each other to achieve a close contact state, and the exhaust ports are blocked by the movable scroll 92; however, since the joint of the two planes causes the gas to lose the retreat, the two planes are The gas is trapped in an over-compressed state. Therefore, the conventional technique borrows the inner wall of the central extrusion head of the two scrolls 91 and 92 to increase the strength and enhance the durability. However, due to the excessive stress of the gas over-compression, there is no buffer. Where it is easy to cause damage to the central extrusion head. Another conventional technique, such as the fixed scroll 95 and the movable scroll 96 of the scroll compressor shown in FIG. 10 and the figure, is an enlarged cross-sectional view near the air outlet 951, and the two scrolls 95 and 96 are used. 5 The inner wall of the central extrusion head is provided with a mouth 97 as a pressure buffer for gas over-compression, but the shape of the slit is a square-shaped structure with rapid changes, which tends to cause stress to concentrate on the corner, so that the corner of the slit is cracked. The starting point, the thickness of the original central extrusion head is reduced due to this lack of 97, in fact, the solution is not the best of both worlds, it is necessary to improve. SUMMARY OF THE INVENTION The main object of the present invention is to solve the above problems and to provide a new scroll structure of a scroll compressor, wherein a pressure buffer is formed outside each of the scroll walls of the central extrusion head of the two scrolls. a recessed space is used as a pressure buffering portion for preventing over-compression of gas between the two planes, and a relatively convex pressing seat is formed inside the scroll wall of the central extrusion head, and between the concave space and the pressing seat Forming a guiding surface; when the movable mass rotating body is combined with the fixed scroll body, the pressing seat of the movable thirsty rotating body is opposite to the concave space of the fixed thirsty rotating body, and the pressing seat of the fixed working body is opposite to the rotating body The concave space of the body, and the two guiding surfaces are connected to each other to form a continuous spiral air guiding surface, to avoid stress concentration, and to discharge the gas in a spiral manner, thereby reducing the impact of the gas pulse wave, and achieving a smooth discharge of the milk body. The effect; * Lang pressure suddenly gathers the towel and leads to the phenomenon of 4 exhaust and discontinuity in the moment, and it is resistant to the age of the press and the normal operation of the system. The invention provides a scroll structure of a scroll compressor, which comprises a mouth, a curry body and a movable thirteen body, a fixed scroll body and a central portion of the movable thirsty body> [heads are (10) The outside of the wall is formed with two pressure buffers for preventing over-compression, and the inner scroll walls of the two central extrusion heads are each formed with a relatively convex seat. Forming a guiding surface; by means of the movable thirsty body, the ship's county is closed, the movable body is slid, the scale is fixed, and the concave space of the fixed body is opposite to the concave of the movable scroll. The 'and the two guiding surfaces are in line with each other's air-conducting surface to avoid stress concentration, which prevents the gas from damaging and causes the vortex wall to break, and allows the gas to be discharged in a spiral manner, reducing the gas pulse. Achieve the smooth discharge of gas. The above and other objects and advantages of the present invention will become more apparent from the detailed description and the appended claims Of course, the present invention allows for differences in some of the components, or the arrangement of the components, but the selected embodiment is described in detail in the present specification, and its construction is shown in the drawings. [Embodiment] Please refer to Fig. 1 to Fig. 8, which shows the structure of the embodiment selected for the present invention, which is for illustrative purposes only and is not limited by this structure in the patent application. Referring to FIG. 1 , the present invention is a scroll structure of a scroll compressor, wherein the full-scale retracting machine has a -1, the casing (4) is provided with a fixed body 2 and has a pivot The movable scroll 3 can be eccentrically rotated opposite to the fixed scroll 2, and the internal space of the casing 1 is divided into two spaces by the IU fixed body 2, which is a fixed scroll 2 and a movable scroll The compressed gas chamber 4 formed by the body 3 is the other side of the compressed gas chamber 4'. The compressed gas chamber 4 can be reduced in volume due to the eccentric rotation of the movable scroll 3, and the casing 1 is in the compressed gas chamber 4. One side is provided with an air inlet 41, and the exhaust chamber 5 is
ULLLU 1設有一排氣口 5卜且該固定渴旋體2之中心具有—連通壓縮 :氣體至4與排氣室5之出氣孔21，且該出氣孔21靠棑氣室5之一 7叹有-貪片211以蓋合出氣孔2卜防止排氣室5内之氣體回流 至壓缩氣體室4。 如第2圖至第3圖所示，滿形體由固定渦旋體2及可動渦旋 體3所構成，固定渦旋體2及可動渦旋體3均具有渦形片a、&， 渦形片23、31之内外壁係為漸開曲線形狀，且各渦形片 瞻各中央壓頭24、32之内渦旋壁，形成不屬於漸開線之平面， 且該中央擠壓頭24、32比其他部位為厚。 .·本發明之特徵在於固定渦旋體2及可動渦旋體3之中央擠壓 頭24、32之内渦旋壁外部各形成有一壓力緩衝凹入空間々Μ、 321 ’且上述兩個中央_頭24、32之内渴旋彻部各形成有相 對凸出之擠壓座242、322，凹入空間241、321與擠壓座242、犯2 之間則形成有引導面243、323，該引導面243、323由中央擠壓頭 » 24、32之中心、呈漸縮狀向外、姆至淺延伸，形成小段螺旋導氣 面。 如第1圖、第7圖及第8圖所示，藉由上述構造設計，當可 動渦旋體3與固定渦旋體2結合時，可動渦旋體3之擠壓座犯2 •相對於固定渦旋體2之凹入空間241，固定渦旋體2之播壓座M2 - 相對於可動渦旋體3之凹入空間321，且兩引導面243、323互相 契合連通成連續螺旋導氣面。 8 1322227 本發明之運作方式如第4圖至第8圖所示，其t，該固定渦 ·· 旋體2之中央擠壓頭24與可動渦旋體3之中央擠壓頭32相對， 且固定渦旋體2之擦壓座242相對於可動满旋體3之凹入空間 321 ’可動渦旋體3之擠壓座322相對於固定渦旋體2之凹入空間 241 ’隨可動滿旋體3之偏心轉動，兩中央擠廢頭24、32反覆相 互離合，壓縮居於其間之氣體；壓縮過程如下，首先如第4圖及 第7圖所示，氣體流入由可動渦旋體3之渦形片31之中央擠壓頭 • 32與固定渦旋體2之渦形片23之中央擠壓頭24所形成之密閉空 間；逐漸兩中央擠壓頭32、24互相靠近，如第5圖所示，氣體受 壓逐漸由進入出氣孔21部位，等到壓力足夠，氣體即推開簧片 22 ’流入該排氣室5 (參第1圖）’當可動渦旋體3之渦形片31 之中央擠壓頭32貼進固定渦旋體2之渦形片23之中央擠壓頭 24’如第6圖及第8圖所示，造成兩中央擠壓頭32、24達到密合， 因而密閉空間之容積接近於零，此時該出氣孔21被可動渦旋體3 鲁之渦形片31之中央擠壓頭32所大致封閉，固定渦旋體2與可動 渦旋體3所包圍空間完全與該出氣口 21隔斷。 由於，本發明於固定渦旋體2及可動渦旋體3之中央擠壓頭 24、32.之内渴旋壁外部各形成有一壓力緩衝凹入空間mi、321， :上述兩個中央擠壓頭24、32之内渦旋壁内部各形成有相對凸出之 *播壓座242、犯2，且固定渦旋體2之擠壓座242相對於可動满旋 體3之凹入空間321 ’可動渦旋體3之擠壓座322相對於固定渦旋 9 1322227 體2之凹入空間241，因此於第6圖及第8圖所示之狀態時，殘留 之氣體不會失去退路，尚有兩個缓衝凹入空間241、321之空間可 '容納’而防止兩個中央擠壓頭24、32之内满旋壁間氣體過壓縮之 過大應力，而使各中央擠壓頭24、32之内渦旋壁破損，且其漸進 之形狀，可避免應力集中。 再者，由於可動渦旋體3與固定渦旋體2結合時，可動渦旋 體3之擠壓座322相對於固定渴旋體2之凹入空間241，固定渦旋 鲁體2之擠壓座242相對於可動渦旋體3之凹入空間321，且兩引導 面243、323互相契合連通成連續螺旋導氣面，如此可使氣體沿連 .續螺旋導氣面以螺旋式排出，減少氣體脈衝波之衝擊，而達到氣 體順暢平均排出之功效；不致暖力突缝巾而導致衝瞬間擊排 氣與間斷的現象，而影響壓縮系統之正常運作。 X上所述貫施例之揭示係用以說明本發明，並非用以限制本 發明’故舉凡數值之敎或料元叙仍應隸屬本發明 • 疇。 &由以上詳細說明，可使熟知本項技藝者明瞭本發明的確可達 成前述目的，實已符合專利法之規定，羞提出專利申請。 【圖式簡單說明】 :茲以—較佳實施例並配合圖式詳細說明本發明於後： •第1圖為本發明渦形壓縮機之平面剖視圖。 第2圖為本發明渦形體之立體分解圖。 1322227 •第3圖為本發明渦形體之立體分解部分剖視圖。 ； 第4圖為本發明之固定渦旋體及可動渦旋體壓縮狀態橫向剖視圖 (一）。The ULLLU 1 is provided with an exhaust port 5 and the center of the fixed thirteen body 2 has a communication compression: gas to 4 and an air outlet 21 of the exhaust chamber 5, and the air outlet 21 is sighed by one of the xenon chambers 5 The greedy sheet 211 is provided to cover the air outlet 2 to prevent the gas in the exhaust chamber 5 from flowing back to the compressed gas chamber 4. As shown in Figs. 2 to 3, the full body is composed of the fixed scroll 2 and the movable scroll 3, and both the fixed scroll 2 and the movable scroll 3 have scrolls a, &, vortex The inner and outer walls of the sheets 23, 31 are in an involute curve shape, and each of the scrolls has a vortex wall inside the central indenters 24, 32 to form a plane not belonging to the involute, and the central extrusion head 24 32 is thicker than other parts. The present invention is characterized in that the inner scroll heads 24, 32 of the fixed scroll 2 and the movable scroll 3 are formed with a pressure buffering recess space 321, 321 ', and the above two central portions. _ The heads 24, 32 are formed with relatively protruding pressing seats 242, 322, and the guiding surfaces 243, 323 are formed between the recessed spaces 241, 321 and the pressing seat 242 and the shackle 2, The guiding surfaces 243, 323 are extended from the center of the central extrusion heads » 24, 32 in a tapered outward direction and from a shallow to a shallow surface to form a small spiral air guiding surface. As shown in FIG. 1 , FIG. 7 and FIG. 8 , with the above-described structural design, when the movable scroll 3 is combined with the fixed scroll 2, the squeeze of the movable scroll 3 is 2 The concave space 241 of the fixed scroll 2, the pressure-pressing seat M2 of the fixed scroll 2 - the concave space 321 with respect to the movable scroll 3, and the two guiding surfaces 243, 323 are in communication with each other to form a continuous spiral gas guiding surface. 8 1322227 The operation mode of the present invention is as shown in Figs. 4 to 8 , where t, the central ram 24 of the fixed vortex body 2 is opposite to the central extrusion head 32 of the movable scroll 3, and The pressing seat 242 of the fixed scroll 2 is movable with respect to the concave space 321 of the movable full-rotor 3, and the pressing seat 322 of the movable scroll 3 is movable with respect to the concave space 241' of the fixed scroll 2. The eccentric rotation of the body 3, the two central waste heads 24, 32 are repeatedly separated from each other, compressing the gas interposed therebetween; the compression process is as follows, first, as shown in Figures 4 and 7, the gas flows into the vortex of the movable scroll 3 The central extrusion head 32 of the sheet 31 and the central extrusion head 24 of the scroll 23 of the fixed scroll 2 form a closed space; the two central extrusion heads 32, 24 are gradually adjacent to each other, as shown in Fig. 5. It is shown that the pressure of the gas gradually enters the portion of the air outlet hole 21, and when the pressure is sufficient, the gas pushes the reed 22' into the exhaust chamber 5 (refer to Fig. 1) 'When the scroll 31 of the movable scroll 3 is The central extrusion head 32 of the scroll head 32 of the fixed scroll 2 is attached to the central extrusion head 24' of the fixed scroll 2 as shown in Figs. 6 and 8 The central extrusion heads 32, 24 are brought into close contact, so that the volume of the closed space is close to zero. At this time, the air outlet 21 is substantially closed by the central extrusion head 32 of the scroll 3 of the movable scroll 3, and the fixed vortex is fixed. The space surrounded by the rotating body 2 and the movable scroll 3 is completely blocked from the air outlet 21. Since the present invention forms a pressure buffering recessed space mi, 321 outside the thirsty wall in the central extrusion heads 24, 32 of the fixed scroll 2 and the movable scroll 3: the above two central extrusions Inside the vortex walls of the heads 24, 32, there are respectively formed relatively protruding embossing seats 242, 2, and the pressing seat 242 of the fixed scroll 2 is opposite to the recessed space 321 of the movable full-rotating body 3 The pressing seat 322 of the movable scroll 3 is opposite to the recessed space 241 of the fixed scroll 9 1322227 body 2, so that in the state shown in Figs. 6 and 8, the residual gas does not lose the retreat, and there is still The space of the two buffer recessed spaces 241, 321 can be 'accommodated' to prevent excessive stress of gas over-compression between the full-rotation walls in the two central extrusion heads 24, 32, so that the central extrusion heads 24, 32 The vortex wall is broken and its progressive shape avoids stress concentration. Furthermore, since the movable scroll 3 is combined with the fixed scroll 2, the pressing seat 322 of the movable scroll 3 is fixed with respect to the recessed space 241 of the fixed throttling body 2, and the vortex 2 is fixed. The seat 242 is opposite to the recessed space 321 of the movable scroll 3, and the two guiding surfaces 243, 323 are in communication with each other to form a continuous spiral air guiding surface, so that the gas can be spirally discharged along the continuous spiral air guiding surface, thereby reducing The impact of the gas pulse wave, and achieve the effect of smooth and even discharge of the gas; the phenomenon of squeezing and venting and intermittent is not caused by the warming of the protruding towel, which affects the normal operation of the compression system. The disclosure of the above-described embodiments is intended to be illustrative of the invention and is not intended to limit the invention. The above detailed description will enable those skilled in the art to understand that the present invention is indeed capable of achieving the foregoing objectives, and has been in compliance with the provisions of the Patent Law. BRIEF DESCRIPTION OF THE DRAWINGS The present invention will be described in detail with reference to the preferred embodiments and drawings: FIG. 1 is a plan cross-sectional view of the scroll compressor of the present invention. Fig. 2 is a perspective exploded view of the scroll body of the present invention. 1322227 • Fig. 3 is a perspective exploded cross-sectional view showing the scroll body of the present invention. Fig. 4 is a transverse sectional view showing the compressed state of the fixed scroll and the movable scroll of the present invention (1).
-V 第5圖為本發明之固定渦旋體及可動渦旋體壓縮狀態橫向剖視圖 (二）。 第6圖為本發明之固定渦旋體及可動渦旋體壓縮狀態橫向剖視圖 (三）。 φ 第7圖為本發明之固定渦旋體及可動渦旋體壓縮狀態縱向剖視圖 • ㈠。 第8圖為本發明之固定渦旋體及可動渦旋體壓縮狀態縱向剖視圖 .(二）。 第9圖係習用渦形壓縮機之平面剖視圖。 第10圖係另一習同渦形壓縮機之固定渦旋體及可動渦旋體於出氣 孔附近放大剖視圖。 # 第11圖係第10圖之習用渦形壓縮機之固定渦旋體與可動渦旋體 兩中央擠壓頭平面相密合狀態時之重要部位放大斷面圖。 【主要元件符號說明】 (習用部分） 固定渦旋體91 可動渦旋體92 進氣口 931 機殼90 出氣孔911 歷縮氣體室93 1322227 排氣室94 排氣口 941 固定渦旋體95 出氣孔951 切口 97 可動渦旋體96-V Fig. 5 is a transverse sectional view showing the compressed state of the fixed scroll and the movable scroll of the present invention (2). Fig. 6 is a transverse sectional view showing the compressed state of the fixed scroll and the movable scroll of the present invention (3). Φ Fig. 7 is a longitudinal sectional view showing the compressed state of the fixed scroll and the movable scroll of the present invention. (I). Figure 8 is a longitudinal sectional view showing the compressed state of the fixed scroll and the movable scroll of the present invention (2). Figure 9 is a plan sectional view of a conventional scroll compressor. Fig. 10 is an enlarged cross-sectional view showing the fixed scroll and the movable scroll of another conventional scroll compressor in the vicinity of the air outlet. #图11 is an enlarged sectional view of an important part when the fixed scroll of the conventional scroll compressor of FIG. 10 and the movable scroll body are in close contact with each other. [Description of main components] (conventional part) Fixed scroll 91 Movable scroll 92 Air inlet 931 Case 90 Air outlet 911 Gas chamber 93 1322227 Exhaust chamber 94 Exhaust port 941 Fixed scroll 95 Air hole 951 slit 97 movable scroll body 96
(本發明部分) 機殼1 固定渦旋體2 出氣孔21 簧片22 渦形片23 中央擠壓頭24 凹入空間241 擠壓座242 引導面243 可動渦旋體3 渦形片31 中央擠壓頭32 凹入空間321 擠壓座322 引導面323 壓縮氣體室4 進氣口 41 排氣室5 排氣口 51 12(Part of the Invention) Case 1 Fixed scroll 2 Venting hole 21 Reed 22 Vortex piece 23 Central extrusion head 24 Recessed space 241 Extrusion seat 242 Guide surface 243 Movable scroll 3 Vortex piece 31 Centered Indenter 32 recessed space 321 extruded seat 322 guiding surface 323 compressed gas chamber 4 air inlet 41 exhaust chamber 5 exhaust port 51 12