1306484 九、發明說明： 【發明所屬之技術領域】 本發明係關於一種閥門改良結構，尤指一種適用於引 擎汽缸頭内之閥門改良結構。 【先前技術】 對於一般車輛引擎之結構而言，其汽缸碩係會包括有1306484 IX. Description of the Invention: [Technical Field] The present invention relates to a valve improved structure, and more particularly to a valve improved structure suitable for use in an engine cylinder head. [Prior Art] For the structure of a general vehicle engine, the cylinder master system will include
10 15 20 一進氣道、一排氣道、以及一燃燒室，且其中之進氣道與 排氣道係分別連通燃燒室。 ^ 此外’上述之汽缸頭係會開設有職_通道與排氣 祐通道:其數量則視此汽缸頭為幾閥門之汽虹頭而定， 、且於進氣閥Η導管與排氣閥門導管内會分 閥門與排氣閥門。 Μ奋叹有進氧 臂二 氣閱：與排氣閥門之底部則為闊門部位。1心而進 門與升高’使進_ 位而::氣闕η與排氣閥門上傳 =頂部、量㈣由閥Η部 通道與:氣門與排氣闕門係會分别與進氣閥門 ’導管’使得好不容易傳遞至;氣：： 5 1306484 闕門之熱量散失，造成進氣閥門與排氣閥門之轴向溫度梯 度（軸向熱傳導）迅速下降。 因此，當熱量由進氣閥門與排氣閱門之閥門部位往頂 部傳遞時，會發生熱量大量散失之問題，如此將會造成汽 $頭之閥門間隙產生改變，相對會使汽缸頭產生敲擊異 ，，同時造成汽缸頭内之凸輪受衝擊負荷而發生疲勞之問 題。10 15 20 An intake passage, an exhaust passage, and a combustion chamber, wherein the intake passage and the exhaust passage system respectively communicate with the combustion chamber. ^ In addition, the above-mentioned cylinder head system will open the service channel and the exhaust air channel: the number depends on the cylinder head for the steam head of several valves, and in the intake valve and the exhaust valve conduit. Will be divided into valves and exhaust valves. Μ 有 有 进 进 臂 臂 臂 臂 臂 臂 臂 臂 臂 臂 臂 臂 臂 臂 臂 臂 臂 臂 臂1 heart and enter the door and raise 'to enter the _ position:: gas 阙 η and exhaust valve upload = top, quantity (four) from the valve 通道 channel and: valve and exhaust 阙 door will be respectively with the intake valve 'catheter 'It is difficult to pass to; gas:: 5 1306484 The heat loss of the door is caused, and the axial temperature gradient (axial heat conduction) of the intake valve and the exhaust valve is rapidly decreased. Therefore, when the heat is transmitted from the valve portion of the intake valve and the exhaust valve to the top, a large amount of heat loss occurs, which will cause a change in the valve clearance of the steam head, which will cause the cylinder head to strike. Different, at the same time, the cam in the cylinder head is subjected to the impact load and fatigue occurs.
雖然，早期之解決方式係會改變汽缸頭内之凸輪輪 庵，例如預留適當的缓衝區域，以減緩凸輪之衝擊，但2 緩衝區域之設計，卻會減少汽紅頭閱門之開口面積與閉合 時間，相對影響引擎之進排氣效率。 又或者早期曾有廠商於汽虹頭之閥門桿部内設置水 銀:企圖利用水銀的高導熱度而將熱量傳遞至進氣閥門與 排氣閥門之頂部，然而，如何於汽缸頭之閥門部位設置水 ，即是-令人頭痛之問題，且如此設計亦會造成成本增 加、不符合環保要求等問題出現，並非十分理想。 【發明内容】 本發明係使閥門作—簡單之結構變化，如此可於不影 頭之進排氣效率下’使閥門之熱量可往頂部傳遞， 二㈣⑽向之熱膨脹量’藉此可避免汽缸頭產生敲擊異 a曰並可避免汽虹頭内之凸輪受衝擊負荷而發生疲勞之問 再者於閥門作_簡單之結構變化下，亦可減少成本， 並可符合環保要求。 6 1306484 囚此 树明之㈣改良結構係組⑽—汽虹頭内， 且此汽Μ包括有—進氣道、-排氣道、錢-燃燒室， 並且進氣道與排氣道係分別連通至燃燒室。 此外’上述之汽紅頭内並開設；至少一進氣閥門通 :::及至少-排氣闊門通道中，至少一進氣闕門通 道係連通進氣道，至少—排氣閥門通道係連通排氣道，且 至少一進氣閥Η通道與至少—排氣閥門通道之至少立中之 一包括有一閥門導管。 、Although the early solution changed the cam rim in the cylinder head, for example, to reserve a proper buffer area to slow the impact of the cam, the design of the 2 buffer area would reduce the opening area of the steam red head reading door. The closing time affects the efficiency of the engine's intake and exhaust. Or in the early days, there were manufacturers who installed mercury in the valve stem of the steam head: attempting to transfer heat to the top of the intake valve and the exhaust valve using the high thermal conductivity of mercury. However, how to set the water at the valve end of the cylinder head That is, it is a headache, and such a design will also cause problems such as increased costs and non-compliance with environmental requirements. It is not ideal. SUMMARY OF THE INVENTION The present invention makes the valve a simple structural change, so that the heat of the valve can be transmitted to the top without the efficiency of the inlet and exhaust of the head, and the amount of thermal expansion of the second (four) (10) can be avoided. The head produces a tapping of the different a曰 and can avoid the fatigue of the cam in the steam head by the impact load. In addition, the valve can be reduced in cost and can meet environmental protection requirements. 6 1306484 In this (4) improved structural system group (10) - in the steam head, and the steam car includes - intake, exhaust, money - combustion chamber, and the inlet and exhaust systems are connected separately To the combustion chamber. In addition, the above-mentioned steam red head is opened; at least one intake valve passage::: and at least - the exhaust wide door passage, at least one intake throttle passage is connected to the intake passage, at least - the exhaust valve passage is connected An exhaust passage, and at least one of the intake valve passage and at least one of the at least one of the exhaust valve passages includes a valve conduit. ,
10 15 上述之閥門改良結構包括有至少一進氣闕門、以及至 乂排氧閥門。其中，至少—進氣閥門係容設於汽缸頭内 之至少-進氣閥門通道内並延伸至進氣道、並相對於至少 -進氣間門通道上下移動。同樣的，至少一排氣闊門係容 設於汽缸頭内之至少—職_通道内並延伸至排氣道、 並相對於至少一排氣閥門通道上下移動。 ，本發明之特色在於上述之至少一進氣閱門與至少一排 氣閥門之至少其中之一之外週係凹設有至少一凸起，且前 述之至少—凸起係對應於閥門導管並與閥門導管之間間隔 猎由上述結構’閥門與閥門導管彼此之間之接觸面積 20 1以減少，使得閥門與閥門導管之間之熱傳導率可以大幅 縮減，相對使得閥門之熱量可往頂部傳遞，增加闊門轴向 之熱私脹如此可於不影響汽紅頭與引擎之進排氣效率 下避免八紅頭產生敲擊異音，並同時避免汽紅頭内之凸 輪受衝擊負荷而發生疲勞之問題。 7 1306484 再者，由於上述結構僅需於閥門上作— 化，故如此設計可以減少成本，又可以符合環變 上述之至少—凸起可包括有至少—凸條、可 至少-凸點。於結構設計上’因凸起之設計，相對會有 凹槽之產生(相對於凸起而言)，故亦可說是至少—翁二 與至少-排氣閥門之至少其中之一之外週係呈凹凸狀。 >上述之至少-凸起之數量係可為複數個，並可等角度 凸設於至少-進氣閥n與至少—排氣閥門之至 二 之外週。 〇甲之一 10 【實施方式】 請同時參閱圖磷本發明一較佳實施例之汽缸頭之側 視圖、及圖2係本發明一較佳實施例之閥門之剖視圖，而且 於圖式中之汽缸頭i内組設有一本發明之閥門改良結構。 15 上述之汽缸頭1於本實施例中係使用一四行程汽缸 頭，其進氣或者排氣的結構係為相同，故以下僅以圖式中 的視角進行說明。 圖式中之汽紅頭1包括有一進氣道η、-排氣道12、以 及-燃燒至13，且其令之進氣道“與排氣道12係分別連通 2〇 至燃燒室13。 此外，圖式中之汽缸頭1内開設有一進氣閥門通道14、 以及-排氣閥門通道15，且其中之進氣闊門通道14係連通 進氣道11，排氣閥門通道15係連通排氣道12，而且進氣閥 門通道14與排氣閥門通道15分別容置有一闊門導管， 1306484 於進氣閥門通道14内之閥門導管22可稱為進氣閥門導管， 於排氣閥門通道15内之閥門導管32可稱為排氣閥門導管。 上述之進氣閥門通道14内容設有一進氣閥門2，此進氣 閥門2並延伸至進氣道11、並相對於進氣閥門通道14上下移 5 動；同樣的’排氣閥門通道15内容設有一排氣閥門3，此排 氣閥門3並延伸至排氣道12、並相對於排氣閥門通道15上下 移動。 另外’於進氣閥門2與排氣閥門3之外週分別凹設有複 數個凸起21，3 1，且此複數個凸起21，31係分別對應於進氣閥 10 門通道14與排氣閥門通道15内所分別容置之閥門導管 22,32、並分別與閥門導管22,32之間間隔有一間隙t。 於本實施例中，複數個凸起21，31係分別為一凸條，且 此複數個凸起21，31係等角度分隔地分別凹設於進氣閥門2 與排氣閥門3之外週。 15 因此，藉由上述結構，進氣閥門2及排氣閥門3分別與 閥門導管22,32(進、排氣閥門導管）之間之接觸面積可以減 少，使得進氣閥門2及排氣閥門3分別與閥門導管22,32之間 之熱傳導率可以大幅縮減，相對使得進氣閥門2及排氣閥門 3上之熱量分別可順利地往頂部傳遞，因此增加進氣閥門2 20 及排氣閥門3軸向之熱膨脹量，如此可於不影響汽缸頭與引 擎之進排氣效率下，避免汽缸頭產生敲擊異音，並同時避 免汽缸頭内之凸輪受衝擊負荷而發生疲勞之問題。 1306484 再者，由於上述結構僅需於進氣閥門2及排氣闕門3上 作簡單之結構變化，故如此設計可以減少成本，又可以 符合環保之要求。 經過實際之實驗， 0.050mm〜〇.〇75mm，而 進氣閥門2及排氣閥門3之軸向熱傳遞截面積的影響幅度， 僅在-4%^-6%之間’亦即其影響程度可略而不計，但凸起 21，31的尚度差並不以前述數字範圍為限。10 15 The valve modification described above includes at least one intake valve and a venting valve. Wherein, at least the intake valve is housed in at least the intake valve passage in the cylinder head and extends to the intake passage and moves up and down with respect to at least the intake passage passage. Similarly, at least one exhaust valve door is housed in at least the service channel in the cylinder head and extends to the exhaust passage and moves up and down relative to the at least one exhaust valve passage. The invention is characterized in that at least one of the at least one of the at least one air intake door and the at least one exhaust valve is recessed at least one protrusion, and at least the protrusion is corresponding to the valve conduit The interval between the valve and the valve conduit is reduced by the contact area 20 1 of the above-mentioned structure 'the valve and the valve conduit, so that the thermal conductivity between the valve and the valve conduit can be greatly reduced, so that the heat of the valve can be transmitted to the top. Increasing the thermal expansion of the axial direction of the wide door can avoid the problem of knocking abnormal sounds of the eight red heads without affecting the intake and exhaust efficiency of the steam red head and the engine, and at the same time avoiding the fatigue of the cam in the steam red head due to the impact load. 7 1306484 Furthermore, since the above structure only needs to be made on the valve, the design can reduce the cost and can conform to the ring change. At least the protrusion can include at least a ridge, at least a bump. In the structural design, due to the design of the protrusion, there will be a groove (relative to the protrusion), so it can be said that at least one of the at least one of Weng and at least one of the exhaust valves It is concave and convex. > The at least one of the above-mentioned protrusions may be plural and may be equiangularly protruded from at least the intake valve n and at least the outer circumference of the exhaust valve. One of the armor 10 [Embodiment] Please also refer to the side view of the cylinder head of a preferred embodiment of the invention, and FIG. 2 is a cross-sectional view of the valve of a preferred embodiment of the invention, and in the drawings A modified valve structure of the invention is provided in the cylinder head i. The cylinder head 1 described above uses a four-stroke cylinder head in the present embodiment, and the structure of the intake or exhaust is the same, and therefore, only the angle of view in the drawings will be described below. The steam red head 1 in the drawing includes an intake port η, an exhaust passage 12, and a combustion to 13, and which causes the intake port to "connect with the exhaust passage 12 to the combustion chamber 13 respectively. In the cylinder head 1 of the drawing, an intake valve passage 14 and an exhaust valve passage 15 are defined, and an intake wide passage 14 is connected to the intake passage 11, and an exhaust valve passage 15 is connected to the exhaust. Lane 12, and the intake valve passage 14 and the exhaust valve passage 15 respectively receive a wide door conduit, and the valve conduit 22 of the 1306484 in the intake valve passage 14 may be referred to as an intake valve conduit, in the exhaust valve passage 15 The valve conduit 32 can be referred to as an exhaust valve conduit. The intake valve passage 14 is provided with an intake valve 2 that extends to the intake passage 11 and moves up and down relative to the intake valve passage 14. 5; the same 'exhaust valve channel 15 is provided with an exhaust valve 3, which extends to the exhaust passage 12 and moves up and down relative to the exhaust valve passage 15. In addition, the intake valve 2 And a plurality of protrusions 21, 3 1 are respectively recessed from the outer circumference of the exhaust valve 3 And the plurality of protrusions 21, 31 respectively correspond to the valve conduits 22, 32 respectively received in the door passage 14 of the intake valve 10 and the exhaust valve passage 15, and are spaced apart from the valve conduits 22, 32, respectively. The gap t. In this embodiment, the plurality of protrusions 21, 31 are respectively a ridge, and the plurality of protrusions 21, 31 are equally spaced apart from the intake valve 2 and the exhaust valve 3 Therefore, with the above structure, the contact area between the intake valve 2 and the exhaust valve 3 and the valve conduits 22, 32 (inlet and exhaust valve conduits) can be reduced, so that the intake valve 2 and The heat transfer rate between the exhaust valve 3 and the valve conduits 22, 32 can be greatly reduced, so that the heat on the intake valve 2 and the exhaust valve 3 can be smoothly transmitted to the top, respectively, thereby increasing the intake valve 2 20 and The amount of thermal expansion of the exhaust valve 3 in the axial direction can avoid the knocking abnormal sound of the cylinder head without affecting the intake and exhaust efficiency of the cylinder head and the engine, and at the same time avoid the fatigue of the cam in the cylinder head due to the impact load. Problem. 1306484 Again, due to the above knot It is only necessary to make a simple structural change on the intake valve 2 and the exhaust valve 3, so the design can reduce the cost and meet the requirements of environmental protection. After the actual experiment, 0.050mm~〇.〇75mm, and the intake air The influence range of the axial heat transfer cross-sectional area of the valve 2 and the exhaust valve 3 is only between -4% and -6%, that is, the degree of influence can be neglected, but the difference of the protrusions 21, 31 is still poor. It is not limited to the aforementioned numerical range.
另外，雖於本實施例中，於進氣閥門2與排氣閥門3之 外週皆分別凸設有複數個凸起21，31，但於進氣閥門2與排氣 閥門3之至少其中之—之外週凸設有凸起2i，3i亦可，且凸起 21，31為至少一個亦可。 田d凸起21，3 1之截面積形狀係可加以變化，例如三 角形、梯形、半圓形等’且凸起21，31除設計成凸條外，亦 可6又计成凸點、或分段式之凸條等。 上述實施例僅係為了方便說明而舉例而已，本發明所In addition, in the present embodiment, a plurality of protrusions 21, 31 are respectively protruded from the outer periphery of the intake valve 2 and the exhaust valve 3, but at least the inlet valve 2 and the exhaust valve 3 are - The protrusions 2i, 3i may be provided in the outer circumference, and the protrusions 21, 31 may be at least one. The shape of the cross-sectional area of the field d, 21, 31 can be changed, such as triangular, trapezoidal, semi-circular, etc. and the protrusions 21, 31 can be counted as bumps, or 6 as bumps, or Segmented ribs, etc. The above embodiments are merely exemplified for convenience of explanation, and the present invention is
凸起21，31的高度差較佳地可設計成 蝻述高度差之量極為微小，故對於 5 10 15 主張之_範圍自應以巾請專利_所述為準，而非僅 於上述實施例。 、 20 【圖式簡單說明】 圖1係本叙明一車父佳實施例之汽虹頭之侧視圖。 圖2係本發明一較佳實施例之閥門之剖視圖。 【主要元件符號說明】 1306484 汽缸頭1 排氣道12 進氣閥門通道14 進氣閥門2 5 閥門導管22 凸起31 進氣道11 燃燒室13 排氣閥門通道15 凸起21 排氣閥門3 閥門導管32The height difference of the protrusions 21, 31 can preferably be designed so that the amount of the height difference is extremely small, so the range of claims for 5 10 15 is determined by the patent application, not just the above implementation. example. 20 [Simple Description of the Drawings] Fig. 1 is a side view of the steam head of a preferred embodiment of the car. Figure 2 is a cross-sectional view of a valve in accordance with a preferred embodiment of the present invention. [Main component symbol description] 1306484 Cylinder head 1 Exhaust channel 12 Intake valve channel 14 Intake valve 2 5 Valve conduit 22 Bump 31 Inlet 11 Combustion chamber 13 Exhaust valve channel 15 Bump 21 Exhaust valve 3 Valve Catheter 32
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