1313338 九、發明說明： 【發明所屬之技術領域】 技術領域 π本發’有關於-種於瓦斯爐❹之瓦斯爐用燃燒 5器』，特別是有關於-種設有燃燒器蓋之瓦斯爐用燃燒器， 且該燃燒器蓋從上方覆蓋形成於燃燒器體且開口朝上之氣 體刀布至，並且燃燒器蓋上面配置有複數留有周方向之間 隔之放射狀火孔，且該瓦斯爐用燃燒器可在具有由各火孔 向其中-周方向之運動分量的狀態下喷出氣體者。 10【先前技術】 背景技術 眾所皆知，以往此種瓦斯爐用燃燒器的結構如下：燃 燒盗蓋係由下板構件和載置於該下板構件上之上板構件構 成下板構件突设有複數於周方向留有間隔且呈放射狀地 15朝上方突出之突條’而上板構件則形成有複數於周方向留 有間隔而呈放射狀且與各突條之上端面隔著間隙相對之切 出部，又，在各突條之上端面與各切出部之間的間隙構成 各火孔，且在下板構件之各突條間設有連通孔，使氣體分 布室内之氣體可通過各連通孔而導向至位於各連通孔在其 20中一周方向上的各火孔中（例如，參照專利文獻1)。 此種在燃燒器蓋上面設有火孔之燃燒器，雖然熱效率 佳’但溢出湯汁容易滴在火孔上，且該溢出湯汁會通過火 孔和連通孔落入燃燒器體内，造成維護燃燒器的困難。 【專利文獻1】昭和7年實用新案申請公告第15448號公 1313338 報 【發明内容】 發明揭示 發明所欲解決之問題 5 有鑑於以上問題，本發明之目的在於提供一種即使燃 燒器蓋上設有火孔，也可有效地防止溢出湯汁落入燃燒器 體内之瓦斯爐用燃燒器。 用以解決問題之手段 為解決前述問題，本發明係一種設有燃燒器蓋之瓦斯 10 爐用燃燒器，且該燃燒器蓋從上方覆蓋形成於燃燒器體之 氣體分布室，並且燃燒器蓋上面配置有複數留有周方向之 間隔之放射狀火孔，且該瓦斯爐用燃燒器可在具有由各火 孔向其中一周方向之運動分量的狀態下喷出氣體者，而燃 燒器蓋係由下板構件和載置於該下板構件上之上板構件構 15 成，下板構件突設有複數於周方向留有間隔且呈放射狀地 朝上方突出之突條，而上板構件則形成有複數於周方向留 有間隔而呈放射狀且與各突條之上端面隔著間隙相對之切 出部，又，在各突條之上端面與各切出部之間的間隙構成 各火孔，且在下板構件之各突條間設有連通孔，使氣體分 20 布室内之氣體可通過各連通孔而導向至位於各連通孔在其 中一周方向上的各火孔中，該瓦斯爐用燃燒器之特徵在 於：前述下板構件之各連通孔間的部分上面形成有較各連 通孔之孔緣部上端低的凹陷部，並且該凹陷部存在於各連 通孔與位於該各連通孔在其中一周方向上的各突條之間。 1313338 根據本發明，即使溢出湯汁落入火孔，該溢出湯汁也 會停留在下板構件之凹陷部，而可有效地防止湯汁由連通 孔洛入燃燒器體内。而且，因可取下上板構件來清掃下板 構件，藉此簡單地除去積在凹陷部之溢出湯汁，故具良好 5 維護性。 另外，在本發明中，各連通孔與位於各連通孔在另一 周方向上之各突條之間也存在有凹陷部，而上板構件與位 # 於各連通孔在另一周方向上之切出部之切出痕跡端緣’最 好是抵接位於各連通孔之另—周方向上的各突條在其中一 10周方向上的側面。藉此，可根據相對於突條之切出痕跡端 、、彖的抵接’來固定上板構件在周方向的位置。而且，即使 /益出兩汁由突條與切出痕跡端緣之間的抵接部落入，也可 利用凹部來承接溢出湯汁，而可防止湯汁由連通孔落入 燃燒器體内。 15 x ’為提高氣體密封性，最好是在各突條在其中-周 • 彳向上的側面形成面向上方之階段部，且將該上板構件靠 近切出痕跡端緣之部分安置於前述階段部上。在此種情形 溢出两汁也有因毛細現象而從階段部與安置於此 板構件的部分之間所生之細微間隙參入的可能性，但 20 Z以存在於各連通孔與位於各連軌在另—周方向上之各 犬條之間的凹陷部來承接溢出湯汁。 【實施方式】 實施發明之最佳形態 “、第1圖及第2圖’ 1為瓦斯爐用燃燒器之燃燒器體。 1313338 該燃燒器體1與混合管2係一體成形，且該混合管2前端之燃 燒器體1的部分，形成有開口朝上之環狀氣體分布室3。而 且，該瓦斯爐用燃燒器設有由上方覆蓋氣體分布室3之燃燒 器蓋4，並且燃燒器蓋4上面配置有複數留有周方向之間隔 5 之放射狀火孔5，且可在具有由各火孔5向其中一周方向（在 苐1圖為逆時鐘方向）之運動分量的狀態下喷出氣體。 燃燒器蓋4係由載置於燃燒器體1上之環狀下板構件6 和載置於該下板構件6上之環狀上板構件7構成。下板構件6 係鍛件，且該下板構件6之内周垂設有筒部61。而且，藉由 10將該筒部61内嵌於氣體分布室3的内周壁部，可使下板構件 6在中心固定的狀態下載置於燃燒器體1上。又，上板構件7 係板金製，且該上板構件7之内周彎曲形成有内嵌於下板構 件6之筒部61的内筒部71，而上板構件7之外周則彎曲形成 有階段狀外筒部72,且該外筒部72具有安置於下板構件6之 15階段狀外周部的階段部72a。1313338 IX. Description of the invention: [Technical field to which the invention pertains] Technical field π 发 ' 有 有 有 种 种 种 种 种 种 种 种 种 种 种 种 种 种 种 种 种 , , , , , , , , , , , , , , , , , , , Using a burner, and the burner cover covers the gas knife cloth formed on the burner body with the opening upward from above, and the burner cover is provided with a plurality of radial fire holes with a circumferential interval therebetween, and the gas is arranged The burner for a furnace can eject a gas in a state having a moving component from the respective fire holes to the circumferential direction thereof. 10 [Prior Art] As is well known in the prior art, the burner of the gas burner has the following structure: the combustion cap is composed of a lower plate member and a plate member placed on the lower plate member to constitute a lower plate member. A plurality of protrusions are provided which are spaced apart in the circumferential direction and radially protrude from the upper portion. The upper plate member is formed with a plurality of circumferentially spaced intervals and is radially spaced from the upper end surface of each of the protrusions. The gap is opposite to the cut-out portion, and the gap between the upper end surface of each of the protrusions and each of the cut-out portions constitutes each fire hole, and a communication hole is provided between each of the protrusions of the lower plate member to make the gas in the gas distribution chamber Each of the communication holes can be guided to each of the fire holes in the one-way direction of each of the communication holes (for example, refer to Patent Document 1). Such a burner with a fire hole on the burner cover, although the thermal efficiency is good, but the overflowing soup is easy to drip on the fire hole, and the overflow soup will fall into the burner body through the fire hole and the communication hole, resulting in The difficulty of maintaining the burner. [Patent Document 1] Showa 7-year Utility New Case Application Publication No. 15448 No. 1313338 SUMMARY OF THE INVENTION [Problem to be Solved by the Invention] In view of the above problems, it is an object of the present invention to provide an even burner cover. The fire hole can also effectively prevent the gas burner from overflowing into the burner body of the burner. Means for Solving the Problems In order to solve the aforementioned problems, the present invention is a gas burner for a gas burner 10 provided with a burner cover, and the burner cover covers a gas distribution chamber formed in the burner body from above, and the burner cover The plurality of radial fire holes are arranged with a circumferential interval therebetween, and the burner for the gas burner can eject the gas in a state of having a moving component in a one-way direction from each of the fire holes, and the burner cover is The lower plate member and the upper plate member 15 are placed on the lower plate member, and the lower plate member is provided with a plurality of protrusions which are spaced apart in the circumferential direction and radially protrude upward, and the upper plate member Further, a plurality of cut-out portions which are radially spaced apart from each other in the circumferential direction and which face the end faces of the respective ridges with a gap therebetween are formed, and a gap between the upper end surface of each of the ridges and each of the cut-out portions is formed. Each of the fire holes is provided with a communication hole between each of the protrusions of the lower plate member, so that the gas in the gas distribution chamber 20 can be guided through the communication holes to the respective fire holes located in one of the circumferential directions of the communication holes, Gas furnace burning The device is characterized in that: a portion of each of the communication holes of the lower plate member is formed with a lower recess than the upper end of the hole edge portion of each of the communication holes, and the recess portion exists in each of the communication holes and is located in each of the communication holes Between the ridges in the direction of the week. According to the present invention, even if the overflowing soup falls into the fire hole, the overflowing soup will stay in the depressed portion of the lower plate member, and the soup can be effectively prevented from being inserted into the burner body through the communication hole. Further, since the lower plate member can be removed to clean the lower plate member, the overflowing soup accumulated in the depressed portion can be easily removed, so that it is excellent in maintainability. Further, in the present invention, each of the communication holes and the protrusions located in the other circumferential direction of each of the communication holes also have a recessed portion, and the upper plate member and the bit # are cut in the other circumferential direction of the respective communication holes. The cut end edge ' of the exit portion is preferably a side surface which abuts each of the ridges in the other circumferential direction of each of the communication holes in a 10-week direction. Thereby, the position of the upper plate member in the circumferential direction can be fixed in accordance with the abutment of the trailing end with respect to the ridges and the ridges. Moreover, even if the two juices are joined by the abutment between the ridges and the edges of the cut marks, the recesses can be used to receive the overflowing soup, and the soup can be prevented from falling into the burner body through the communication holes. 15 x 'In order to improve the gas tightness, it is preferable to form a step portion facing upward in the side of each of the ridges in the circumferential direction of the ridge, and the portion of the upper plate member close to the edge of the cut mark is placed in the aforementioned stage. Ministry. In this case, the overflow of the two juices also has the possibility of entering the fine gap between the stage portion and the portion disposed on the plate member due to the capillary phenomenon, but 20 Z exists in each of the communication holes and is located in each of the links. The overflow between the dog strips in the other circumferential direction is used to receive the overflowing soup. [Embodiment] The best mode for carrying out the invention, "Fig. 1 and Fig. 2" is a burner body of a burner for a gas burner. 1313338 The burner body 1 and the mixing tube 2 are integrally formed, and the mixing tube A portion of the burner body 1 at the front end is formed with an annular gas distribution chamber 3 having an opening upward. Further, the burner for the gas burner is provided with a burner cover 4 which covers the gas distribution chamber 3 from above, and the burner cover 4 is provided with a plurality of radial fire holes 5 having a circumferential interval 5 therebetween, and can be ejected in a state having a moving component from each of the fire holes 5 in one direction (in the counterclockwise direction in FIG. 1). The burner cover 4 is composed of an annular lower plate member 6 placed on the burner body 1 and an annular upper plate member 7 placed on the lower plate member 6. The lower plate member 6 is a forged piece, and The inner peripheral portion of the lower plate member 6 is provided with a tubular portion 61. Further, by fitting the cylindrical portion 61 to the inner peripheral wall portion of the gas distribution chamber 3, the lower plate member 6 can be downloaded and burned in a state of being fixed at the center. On the body 1. Further, the upper plate member 7 is made of gold and the inner circumference of the upper plate member 7 is bent. The inner cylindrical portion 71 of the tubular portion 61 embedded in the lower plate member 6 is formed, and the outer peripheral portion of the upper plate member 7 is bent to be formed with a stepped outer cylindrical portion 72, and the outer cylindrical portion 72 is disposed on the lower plate member 6 The step portion 72a of the 15th outer peripheral portion.
如第3圖、第4圖所不，下板構件6突設有複數於周方向 邊有門Pw且呈放射狀地朝上方突出之突條Μ，而各突條& 之上端面62a係形成為朝其中—周方向⑻圖的右方)向斜 方倾斜之傾斜面。又，如第3圖所示，上板構件7形成有 魏於周方向留有間隔而呈放射狀之切出部乃，且該切出 抑係朝其中—周方向往斜上方傾斜，且與各突⑽之上 ^ 62編著_平行相對者。如此，便可利用各突條62之 H切出部73之間的間隙來構成各前述火孔5。 下板構件6在各突條62、62間更設有連通孔a，使氣體 20 1313338 分布室3内之氣體可通過各連通孔63而導向至位於各連通 孔63在其中一周方向上的各火孔5中，而可由各火孔5朝其 中一周方向斜上地噴出氣體。如此，可在燃燒器蓋4上方形 成旋轉火焰，而可有效率地加熱載置於瓦斯爐頂板上之支 5 架上的被加熱物。 又’切出部73係由突條62之上端面62a在其中一周方向 上之端緣的正上方部分地突出於其中一周方向上。所以，As shown in Fig. 3 and Fig. 4, the lower plate member 6 is provided with a plurality of protrusions 有 which are gated in the circumferential direction and projecting radially upward, and the ridges & upper end faces 62a are attached. It is formed as an inclined surface which is inclined obliquely toward the right side (the right side of the circumferential direction (8) diagram). Further, as shown in Fig. 3, the upper plate member 7 is formed with a cut-out portion which is radially spaced apart in the circumferential direction, and which is inclined obliquely upward in the middle-circumferential direction, and Above each protrusion (10) ^ 62 is written _ parallel counterparts. Thus, the respective fire holes 5 can be formed by the gap between the H cut portions 73 of the respective ridges 62. The lower plate member 6 is further provided with a communication hole a between the ridges 62 and 62 so that the gas in the gas distribution chamber 3 of the gas 20 1313338 can be guided through the communication holes 63 to the respective ones of the communication holes 63 in one direction. In the fire hole 5, gas can be ejected obliquely upward from one of the fire holes 5 in one direction. Thus, a swirling flame can be squared on the burner cover 4 to efficiently heat the object to be heated placed on the support frame of the gas stove top plate. Further, the cut-out portion 73 is partially protruded in the one-week direction from the upper end surface of the upper end surface 62a of the ridge 62 in the one-way direction. and so,
10 雖然溢出湯汁不易落入火孔5，但卻無法完全地防止溢出湯 汁落入火孔5中。 因此，在本實施形態中，係將較各連通孔63之孔緣部 上端低的凹陷部64形成於下板構件6之各連通孔幻、^間部 分上面，且使各突條62由該各凹陷部64在兩側周方向上之 1510 Although the overflowing soup does not easily fall into the fire hole 5, it does not completely prevent the overflowing soup from falling into the fire hole 5. Therefore, in the present embodiment, the recessed portion 64 which is lower than the upper end of the hole edge portion of each of the communication holes 63 is formed on the upper and lower portions of the communication hole of the lower plate member 6, and the ridges 62 are made of the ridges 62. Each recessed portion 64 is 15 in the circumferential direction of both sides
連通孔63、63隔離於周方向上，突設於各凹陷部64。如此， 各連通孔6墙㈣料連通細在其卜周杨（第3圖的 右方)上之各突條62之間存在有凹陷部64，且各連通孔^與 各連通孔&在另—周方向（第3圖的左方)上之各突條 62之間也存在有凹陷部64。 20 階段部62b。而且平° D❾側面形成有面向上方之 另一周方向上之各ΙΓ75係安置於在位於各連通孔63在 緣74的部八 条之階段部㈣上靠近切出痕跡端 中：二且該平坦部75係延伸存在於各連通在其 -周方向部73底端、與位於各連通孔63在另 近切_突料另—向:: 1313338 面之階段部62b的直立部。藉此，可讓上板構和在位置固 定於周方向上的狀態下支揮於下板構件6。另外，各切出部 73底端係㈣各連觀6埃位_各連通⑽«中-周 方向上之各突條62之間的凹陷部_周方向寬度内。又， 階段部62b係形成於較連通孔63的孔 氣體在連通孔63的孔緣部與上板構 動的間隙。 緣部南的位置’以確保 件7的平坦部75之間流 • 料’因各連通孔63與位於該各連通孔63在其中一周 方向上之各突條62之間、及各連通孔63與位於該各連通孔 在另周方向上之各突條62之間存在有如前述之凹陷部 64 =即使溢出湯汁由位於各連通孔63在其中-周方向上 ^突條62與切出部73之間的間隙構成的各火孔5落入，或 溢出仿'十因毛細現象而從位於各連通孔63在另一周 方向上之各突條62的階段部咖、與安置於此之上板構件？ 的^之間所生之細微間隙滲入，也可利用凹陷部64承接 鲁 4出^。另外，即使溢出湯汁沿著切出部73下面落入， 、、、昜十也會從切出部73底端落下，而掉落在連通孔63 與位於該連通孔63在其中一周方向上之突條&之間的凹陷 ^64中。因此，可防止溢出湯汁通過連通孔63落入燃燒器 2〇 體1内。而且，可 ^ 〇 了藉由取下上板構件7來清掃下板構件6，簡 單也除去積在凹陷部64之溢出湯汁，亦具有良好之維護性。 以上雖參照圖示說明本發明之實施形態，但本發明並 疋、此例如，在前述實施形態中，氣體分布室3雖係 &成為％狀’但亦可形成非環狀之氣體分布室3。又，在前The communication holes 63 and 63 are separated from each other in the circumferential direction and protrude from the recessed portions 64. In this way, each of the communicating holes 6 has a recessed portion 64 between the ridges 62 of the wall (four) and the ribs 62, and the communicating holes and the communicating holes are In addition, a recessed portion 64 is also present between the ridges 62 on the circumferential direction (to the left of FIG. 3). 20 stage part 62b. Further, each of the sides 75 of the other side of the flat surface formed with the upper side facing the upper side is disposed in the end portion (four) of the eight portions of the respective communicating holes 63 at the edge 74, and is adjacent to the cut-out end: two and the flat portion 75 The extension portion is formed in an upright portion that communicates with each other at the bottom end of the circumferential direction portion 73 and at the step portion 62b of the other communication hole 63 at the other side of the communication hole 63. Thereby, the upper plate member and the lower plate member 6 can be supported in a state where the position is fixed in the circumferential direction. Further, the bottom end of each of the cut-out portions 73 is connected to each other at a width of 6 angstroms - each of the communicating (10) « between the ridges 62 in the middle-circumferential direction. Further, the step portion 62b is a gap in which the hole gas formed in the communication hole 63 is formed in the hole edge portion of the communication hole 63 and the upper plate. The position of the south edge of the edge portion 'to ensure the flow between the flat portions 75 of the member 7' is due to each of the communication holes 63 and between the protrusions 62 in the one-way direction of the communication holes 63, and the communication holes 63. There is a recessed portion 64 as described above between each of the ribs 62 located in the other circumferential direction of the communication hole = even if the overflowing soup is located in the circumferential direction of each of the communication holes 63, the ridge 62 and the cut-out portion Each of the fire holes 5 formed by the gap between the 73 falls, or overflows from the stage portion of each of the protrusions 62 located in the other circumferential direction of each of the communication holes 63 due to the capillary phenomenon, and is placed thereon. Board components? The fine gap infiltration between the ^ can also be used to take over the depressions 64. Further, even if the overflowing soup falls along the lower side of the cut-out portion 73, the 昜, 昜, 昜 will fall from the bottom end of the cut-out portion 73, and fall in the communication hole 63 and the one-way direction in the communication hole 63. The sag & between the depressions ^64. Therefore, it is possible to prevent the overflowing soup from falling into the burner 2 through the communication hole 63. Further, it is possible to clean the lower plate member 6 by removing the upper plate member 7, and simply remove the overflowing soup accumulated in the depressed portion 64, and also has good maintainability. Although the embodiment of the present invention has been described above with reference to the drawings, the present invention may be, for example, in the above-described embodiment, the gas distribution chamber 3 may be a %-shaped but may form an acyclic gas distribution chamber. 3. Again, before
I31333S 述實施形態中，雖係在突條62在其中—周方向上的側面形 成階段部62b，但亦可不形成階段部62,而單純地將上板構 件7的切出痕跡端緣74抵接於突條62在其卜周方向上的 彳面上彳_1為防止氣體從突條6埃切起部痕跡端緣％ 的抵接4漏A冑好疋將上板構件7的平坦部乃安置於如前 述實施形態之階段部㈣上，確保氣體密封性。 此外，亦可填補連通孔63與位於該連通孔63之另一方 •肖方向的突條62之間的凹陷部Μ來形成突條62,加寬階段 附b的周方向寬度。但是，這樣會有溢十因毛細現象 而從位於各連通孔63在另—周方向上之各突條62的階段部 ㈣、與安置於此之上板構件7的部分之間所生之細微間隙 2入的可能性。因此，為確實地防止溢出湯汁落在燃燒器 體1内，最好是以如前述實施形態來構成。又，在前述實施 形〜、中雖然係以锻件作為下板構件6，但亦可使用將金屬 著月j述貫施形態之下板構件6上面的形狀壓鑄成形的 •板金製下板構件。 【圖式簡單說明】 第1圖係本發明之實施形態的燃燒器平面圖。 第2圖係第1圖之線II-II之燃燒器切斷側視圖。 20 第3圖係第1圖之線III-III之燃燒器蓋部分的展開截面 圖。 第4圖係取下實施形態之燃燒器之上板構件的狀態的 平面圓。 11 1313338 【主要元件符號說明】 1.. .燃燒器體 2…混合管 3.. .氣體分布室 4.. .燃燒器蓋 5…火孔 6…下板構件 7…上板構件 61.. .筒部 62…突條 62a...突條之上端面 62b··.階段部 63…連通孔 64.. .凹陷部 71.. .内筒部 72.. .外筒部 72a···階段部 73.. .切出部 74…切出痕跡端緣 75···平坦部 12In the embodiment, in the embodiment, the step portion 62b is formed on the side surface of the ridge 62 in the circumferential direction thereof. However, the step portion 62 of the upper plate member 7 may be simply abutted without forming the step portion 62. The ridge 621 of the ridge 62 in the circumferential direction of the ridge is to prevent the gas from leaking from the ridge 6 and the edge of the edge of the ridge is abundance 4, and the flat portion of the upper plate member 7 is It is placed on the stage (4) of the above embodiment to ensure gas tightness. Further, the recessed portion 之间 between the communication hole 63 and the ridge 62 located in the other direction of the communication hole 63 may be filled to form the ridge 62, and the circumferential width of the attachment b may be widened. However, there is such a slight difference between the stage portion (four) of each of the ridges 62 located in the other circumferential direction of each of the communication holes 63 due to the capillary phenomenon, and the portion disposed on the upper plate member 7. The possibility of gap 2 entry. Therefore, in order to surely prevent the overflowing soup from falling into the burner body 1, it is preferable to constitute the above embodiment. Further, in the above-described embodiment, the forging member is used as the lower plate member 6, but a sheet metal lower plate member which is formed by die-casting the shape of the upper surface of the plate member 6 in the form of a metal can be used. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a plan view of a burner according to an embodiment of the present invention. Figure 2 is a side view of the burner cut-off of line II-II of Figure 1. 20 Fig. 3 is a developed sectional view of the burner cover portion of line III-III of Fig. 1. Fig. 4 is a plan view showing a state in which the upper plate member of the burner is removed. 11 1313338 [Description of main component symbols] 1.. Burner body 2... Mixing pipe 3.. Gas distribution chamber 4. Burner cover 5... Fire hole 6... Lower plate member 7... Upper plate member 61.. Tube portion 62... protrusion 62a... protrusion upper end surface 62b··. stage portion 63... communication hole 64.. recess portion 71.. inner tube portion 72.. outer tube portion 72a··· Stage portion 73.. Cut-out portion 74...cut out trace end edge 75···flat portion 12