TWM607569U

TWM607569U - Tooth cover structure of gas stove

Info

Publication number: TWM607569U
Application number: TW109213313U
Authority: TW
Inventors: 伍昱昕
Original assignee: 台灣櫻花股份有限公司
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-02-11

Abstract

一種瓦斯爐的齒蓋結構，包括一頂板、一外側板、多個焰孔及多個凸部，頂板及外側板之間形成一環型槽道，環型槽道具有多個進氣區域，該些凸部間隔的設置於頂板的底面上，該些凸部突出於環型槽道中，該些凸部位於相鄰的兩個進氣區域之間，該些凸部的一端與外側板的內壁面之間各形成有一通道。由此，該些凸部能提供導流的效果，使部分燃氣順著該些導流設計分散到其他焰孔，使得整體燃氣分佈及火焰分佈更加平均。A tooth cover structure of a gas furnace includes a top plate, an outer plate, a plurality of flame holes and a plurality of convex parts. A ring-shaped channel is formed between the top plate and the outer plate, and the ring-shaped channel has a plurality of air intake regions. The convex parts are arranged on the bottom surface of the top plate at intervals, and the convex parts protrude from the annular groove. The convex parts are located between two adjacent air inlet regions. One end of the convex parts is connected to the inner side of the outer plate. A channel is formed between the walls. Therefore, the protrusions can provide the effect of diversion, so that part of the gas is dispersed to other flame holes along the diversion design, so that the overall gas distribution and flame distribution are more even.

Description

瓦斯爐的齒蓋結構Tooth cover structure of gas stove

本創作涉及一種瓦斯爐的齒蓋結構，尤指一種能改善瓦斯爐內部流場，使燃氣噴出時更加均勻，同時讓火焰分佈更加平均的齒蓋結構。This creation relates to a gear cover structure of a gas stove, especially a gear cover structure that can improve the internal flow field of the gas stove, make the gas spray more evenly, and at the same time make the flame distribution more even.

現有瓦斯爐上皆設置有燃燒器，該燃燒器包括環座及齒蓋，該齒蓋設置於環座上，該齒蓋間隔的設有多個焰孔，該些焰孔貫穿齒蓋的內緣及外緣，該些焰孔能與環座的流道相連通，燃氣可通過混合管輸送至環座及齒蓋，並使瓦斯由齒蓋的焰孔噴出火焰。The existing gas stove is equipped with a burner, the burner includes a ring seat and a tooth cover, the tooth cover is arranged on the ring seat, the tooth cover is provided with a plurality of flame holes at intervals, and the flame holes penetrate the inner part of the tooth cover. At the edge and outer edge, the flame holes can be connected with the flow passage of the ring seat, and the gas can be transported to the ring seat and the tooth cover through the mixing pipe, and the gas can spray flame from the flame hole of the tooth cover.

然而現有的瓦斯爐齒蓋，在實際使用時，燃氣會集中於流道前的焰孔，且較流道旁的焰孔流速快，導致火焰分佈不平均，鍋底的受熱也會不平均。However, in the existing gas stove tooth cover, in actual use, the gas will be concentrated in the flame hole in front of the runner, and the flow rate is faster than that of the flame hole beside the runner, resulting in uneven flame distribution and uneven heating of the bottom of the pot.

本創作所要解決的技術問題在於，針對現有技術的不足提供一種瓦斯爐的齒蓋結構，能改善瓦斯爐內部流場，使燃氣噴出時更加均勻，同時讓火焰分佈更加平均。The technical problem to be solved by this creation is to provide a tooth cover structure of a gas stove in response to the shortcomings of the existing technology, which can improve the internal flow field of the gas stove, make the gas ejection more uniform, and make the flame distribution more even.

為了解決上述的技術問題，本創作提供一種瓦斯爐的齒蓋結構，包括：一頂板，該頂板呈圓形環體，該頂板具有一頂面及一底面；一外側板，該外側板呈圓形環體，該外側板連接於該頂板靠近外側處，且該外側板向下延伸預定高度，該外側板具有一內壁面及一外壁面，該頂板及該外側板之間形成一環型槽道，該環型槽道具有多個進氣區域；多個焰孔，該些焰孔間隔的設置於該外側板上，該些焰孔貫穿至該外側板的內壁面及外壁面；以及多個凸部，該些凸部間隔的設置於該頂板的底面上，該些凸部突出於該環型槽道中，該些凸部位於相鄰的兩個所述進氣區域之間，該些凸部與該外側板的內壁面形成間隔設置，該些凸部的一端與該外側板的內壁面之間各形成有一通道。In order to solve the above technical problems, the present invention provides a tooth cover structure of a gas stove, which includes: a top plate, the top plate is a circular ring, the top plate has a top surface and a bottom surface; an outer plate, the outer plate is round A ring-shaped body, the outer plate is connected to the top plate near the outside, and the outer plate extends downward by a predetermined height, the outer plate has an inner wall surface and an outer wall surface, and a ring-shaped channel is formed between the top plate and the outer plate , The annular channel has a plurality of air intake regions; a plurality of flame holes, the flame holes are arranged on the outer plate at intervals, and the flame holes penetrate to the inner wall surface and the outer wall surface of the outer plate; and a plurality of flame holes. The convex parts are arranged on the bottom surface of the top plate at intervals, the convex parts protrude from the annular groove, and the convex parts are located between two adjacent air-intake regions. The inner wall of the outer plate is spaced apart from each other, and a channel is formed between one end of the convex portion and the inner wall of the outer plate.

本創作的有益效果在於，本創作所提供的瓦斯爐的齒蓋結構，包括一頂板、一外側板、多個焰孔及多個凸部，頂板及外側板之間形成一環型槽道，環型槽道具有多個進氣區域，該些凸部間隔的設置於頂板的底面上，該些凸部突出於環型槽道中，該些凸部位於相鄰的兩個進氣區域之間，該些凸部與外側板的內壁面形成間隔設置，該些凸部的一端與外側板的內壁面之間各形成有一通道。由此，該些凸部可提供導流的功能，讓部分燃氣順著這些導流設計分散到其他焰孔，使得整體燃氣分佈及火焰分佈更加平均。The beneficial effect of this creation is that the tooth cover structure of the gas stove provided by this creation includes a top plate, an outer plate, a plurality of flame holes and a plurality of protrusions. A ring-shaped channel is formed between the top plate and the outer plate. The groove has a plurality of air intake areas, the protrusions are arranged on the bottom surface of the top plate at intervals, the protrusions protrude from the annular groove, and the protrusions are located between two adjacent air intake areas, The protrusions are arranged at intervals with the inner wall surface of the outer plate, and a channel is formed between one end of the protrusions and the inner wall surface of the outer plate. Therefore, the protrusions can provide the function of diversion, so that part of the gas is dispersed to other flame holes along the diversion design, so that the overall gas distribution and flame distribution are more even.

為使能更進一步瞭解本創作的特徵及技術內容，請參閱以下有關本創作的詳細說明與圖式，然而所提供的圖式僅用於提供參考與說明，並非用來對本創作加以限制。In order to further understand the features and technical content of this creation, please refer to the following detailed descriptions and drawings about this creation. However, the drawings provided are only for reference and explanation, and are not used to limit this creation.

以下是通過特定的具體實施例來說明本創作所公開的實施方式，本領域技術人員可由本說明書所公開的內容瞭解本創作的優點與效果。本創作可通過其他不同的具體實施例加以施行或應用，本說明書中的各項細節也可基於不同觀點與應用，在不背離本創作的構思下進行各種修改與變更。另外，本創作的附圖僅為簡單示意說明，並非依實際尺寸的描繪，事先聲明。以下的實施方式將進一步詳細說明本創作的相關技術內容，但所公開的內容並非用以限制本創作的保護範圍。另外，本文中所使用的術語“或”，應視實際情況可能包括相關聯的列出項目中的任一個或者多個的組合。The following are specific specific examples to illustrate the implementation manners disclosed in this creation, and those skilled in the art can understand the advantages and effects of this creation from the content disclosed in this specification. This creation can be implemented or applied through other different specific embodiments, and various details in this specification can also be modified and changed based on different viewpoints and applications without departing from the concept of this creation. In addition, the drawings of this creation are merely schematic illustrations, and are not depicted in actual size, and are stated in advance. The following implementations will further describe the related technical content of this creation in detail, but the disclosed content is not intended to limit the protection scope of this creation. In addition, the term "or" used in this document may include any one or a combination of more of the associated listed items depending on the actual situation.

[實施例][Example]

請參閱圖1至圖5，本創作提供一種瓦斯爐的齒蓋結構，該齒蓋結構能設置於一環座100上(如圖6所示)，該環座100具有多個流道101，該些流道101可輸送燃氣至齒蓋結構。該齒蓋結構包括一頂板1、一外側板2、多個焰孔3及多個凸部4。Please refer to Figures 1 to 5, the present invention provides a toothed cover structure of a gas stove, the toothed cover structure can be set on a ring seat 100 (as shown in Figure 6), the ring seat 100 has a plurality of flow channels 101, the The flow passages 101 can convey gas to the gear cover structure. The tooth cover structure includes a top plate 1, an outer plate 2, a plurality of flame holes 3 and a plurality of protrusions 4.

該頂板1呈圓形環體，該頂板1具有一頂面11及一底面12，該頂面11及底面12分別設於頂板1相對的兩面，底面12位於頂面11的下方。頂面11及底面12的形狀並不限制，例如可以是平面或弧面等。The top plate 1 is a circular ring. The top plate 1 has a top surface 11 and a bottom surface 12. The top surface 11 and the bottom surface 12 are respectively disposed on two opposite sides of the top plate 1, and the bottom surface 12 is located below the top surface 11. The shape of the top surface 11 and the bottom surface 12 is not limited, for example, it may be a flat surface or a curved surface.

該外側板2呈圓形環體，該外側板2連接於頂板1靠近外側處，且該外側板2向下延伸預定高度，該外側板2具有一內壁面21及一外壁面22，該內壁面21及外壁面22分別設於外側板2相對的兩側，亦即該內壁面21及外壁面22分別設於外側板2的內側及外側。該頂板1及外側板2之間形成一環型槽道23，該環型槽道23呈圓環型，該環型槽道23可供燃氣流動，該環型槽道23具有多個進氣區域231(如圖4所示)，該些進氣區域231與該些流道101相對應，使燃氣可依序通過該些流道101及該些進氣區域231輸送至環型槽道23。The outer plate 2 is a circular ring body, the outer plate 2 is connected to the top plate 1 near the outer side, and the outer plate 2 extends downward to a predetermined height. The outer plate 2 has an inner wall surface 21 and an outer wall surface 22. The wall surface 21 and the outer wall surface 22 are respectively provided on opposite sides of the outer panel 2, that is, the inner wall surface 21 and the outer wall surface 22 are respectively provided on the inner and outer sides of the outer panel 2. A ring-shaped channel 23 is formed between the top plate 1 and the outer plate 2. The ring-shaped channel 23 is in the shape of a circular ring. The ring-shaped channel 23 can be used for gas flow. The ring-shaped channel 23 has a plurality of air inlets. Area 231 (as shown in FIG. 4), the intake areas 231 correspond to the flow passages 101, so that the gas can be delivered to the annular channel through the flow passages 101 and the intake areas 231 in sequence twenty three.

該些焰孔3間隔的設置於外側板2上，該些焰孔3的成型方式並不限制，該些焰孔3的尺寸亦不限制，亦即該些焰孔3的高度及寬度等尺寸可因應需要而變化。該些焰孔3貫穿至外側板2的內壁面21及外壁面22，使輸送至齒蓋結構的燃氣能通過該些焰孔3噴出火焰。The flame holes 3 are arranged on the outer plate 2 at intervals. The forming method of the flame holes 3 is not limited, and the size of the flame holes 3 is also not limited, that is, the height and width of the flame holes 3 are equal to each other. Can be changed according to needs. The flame holes 3 penetrate through the inner wall surface 21 and the outer wall surface 22 of the outer plate 2, so that the gas delivered to the tooth cover structure can spray flame through the flame holes 3.

該齒蓋結構也可進一步包括一內側板5，該內側板5呈圓形環體，該內側板5連接於頂板1靠近內側處，且該內側板5向下延伸預定高度，使得該環型槽道23可形成於頂板1、外側板2及內側板5之間。The tooth cover structure can also further include an inner side plate 5, the inner side plate 5 is a circular ring body, the inner side plate 5 is connected to the top plate 1 near the inner side, and the inner side plate 5 extends downward by a predetermined height, so that the ring shape The channel 23 may be formed between the top plate 1, the outer plate 2 and the inner plate 5.

該些凸部4間隔的設置於頂板1的底面12上，該些凸部4位於相鄰的兩個進氣區域231之間，亦即該些凸部4可位於相鄰的兩個流道101之間，該些凸部4能提供導流的效果，使部分燃氣順著該些凸部4所形成的導流設計分散到其他焰孔3。The protrusions 4 are arranged on the bottom surface 12 of the top plate 1 at intervals, and the protrusions 4 are located between two adjacent air intake regions 231, that is, the protrusions 4 can be located in two adjacent flow passages. Between 101, the protrusions 4 can provide a diversion effect, so that part of the gas is dispersed to other flame holes 3 along the diversion design formed by the protrusions 4.

該些凸部4可為塊體、柱體或板體等，該些凸部4的結構並不限制，該些凸部4的數量及位置也不限制，該些凸部4例如可以設置三個、四個或五個等，該些凸部4的數量及位置可對應於該些流道101及該些進氣區域231的數量而對應變化。該些凸部4的形狀並不限制，可以是方形或其他的形狀，該些凸部4突出於環型槽道23中。The protrusions 4 can be blocks, columns, plates, etc. The structure of the protrusions 4 is not limited, and the number and positions of the protrusions 4 are also not limited. For example, three protrusions 4 can be provided. One, four, five, etc., the number and positions of the protrusions 4 can be changed corresponding to the number of the flow passages 101 and the air intake regions 231. The shape of the protrusions 4 is not limited, and can be square or other shapes, and the protrusions 4 protrude in the annular groove 23.

較佳的，該些凸部4的高度H1小於外側板2的高度H2(如圖5所示)，該些凸部4的高度H1也可小於內側板5的高度H3。較佳的，該些凸部4的高度H1可為1.5mm至3.5mm，該些凸部4的高度H1例如可為2.5mm，該些凸部4的長度L(如圖4所示)可為6mm至9mm，該些凸部4的長度L例如可為7.5mm，該些凸部4的寬度W可為5mm至7mm，該些凸部4的寬度W例如可為6mm，使得該些凸部4形成一最佳化尺寸，以具有較佳的導流效果。Preferably, the height H1 of the protrusions 4 is smaller than the height H2 of the outer plate 2 (as shown in FIG. 5 ), and the height H1 of the protrusions 4 may also be smaller than the height H3 of the inner plate 5. Preferably, the height H1 of the protrusions 4 may be 1.5 mm to 3.5 mm, the height H1 of the protrusions 4 may be, for example, 2.5 mm, and the length L of the protrusions 4 (as shown in FIG. 4) may be The length L of the protrusions 4 may be, for example, 7.5 mm, the width W of the protrusions 4 may be 5 mm to 7 mm, and the width W of the protrusions 4 may be, for example, 6 mm. The portion 4 is formed with an optimized size to have a better diversion effect.

該些凸部4與外側板2的內壁面21形成間隔設置，亦即該些凸部4的一端與外側板2的內壁面21之間各形成有一通道6。具體而言，該些凸部4面向外側板2的內壁面21的一端各形成一端面41，該端面41可為平面或弧面等，並不予以限制，該些通道6分別位於該些凸部4的端面41與外側板2的內壁面21之間。該些通道6位於凸部4與外側板2的內壁面21之間，可供部分的燃氣通過。該些凸部4的另一端可連接於內側板5的外側。The protrusions 4 are spaced apart from the inner wall surface 21 of the outer plate 2, that is, a channel 6 is formed between one end of the protrusions 4 and the inner wall surface 21 of the outer plate 2. Specifically, the ends of the protrusions 4 facing the inner wall surface 21 of the outer plate 2 each form an end surface 41. The end surface 41 may be a flat surface or a curved surface, etc., and is not limited. The channels 6 are respectively located on the protrusions. Between the end surface 41 of the portion 4 and the inner wall surface 21 of the outer panel 2. The passages 6 are located between the convex portion 4 and the inner wall surface 21 of the outer plate 2 and can allow part of the gas to pass through. The other end of the protrusions 4 can be connected to the outer side of the inner side plate 5.

較佳的，該些凸部4還各具有兩側面42，該兩側面42可為平面，且相互平行，兩側面42的一端分別連接於端面41的兩端，且端面41亦可為平面。另，該些凸部4還各具有一底側面43，該底側面43位於凸部4上遠離頂板1的底面12的一面，且該底側面43亦可為平面。Preferably, the protrusions 4 also each have two side surfaces 42. The two side surfaces 42 may be flat and parallel to each other. One ends of the two side surfaces 42 are respectively connected to two ends of the end surface 41, and the end surface 41 may also be a flat surface. In addition, each of the protrusions 4 also has a bottom side 43. The bottom side 43 is located on the side of the protrusion 4 away from the bottom surface 12 of the top plate 1, and the bottom side 43 can also be flat.

本創作在齒蓋結構添加凸部進行導流設計，讓部分燃氣順著這些導流設計分散到其他焰孔，使得整體燃氣分佈及火焰分佈更加平均(如圖6所示)，經由計算流體力學（Computational Fluid Dynamics，簡稱CFD）分析，平均抓取14個點，且計算出各焰孔速度及標準差，經計算其標準差為0.086(如下表2所示)，相較於習知齒蓋結構其標準差為0.107(如下表1所示)，本創作整體燃氣分佈均勻度提升15%。表1(習知齒蓋結構) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 總和出口速度(m/s) 1.17 0.94 1.02 1.10 1.06 0.91 1.19 1.27 0.99 0.96 1.09 1.01 0.96 1.20 標準差 0.011 0.014 0.002 0.002 0.000 0.024 0.016 0.044 0.006 0.010 0.001 0.003 0.011 0.019 0.107 表2(本創作齒蓋結構) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 總和出口速度(m/s) 1.06 0.90 0.91 1.00 1.00 0.89 1.13 1.12 0.99 0.95 0.98 0.90 0.90 1.13 標準差 0.005 0.008 0.006 0.000 0.000 0.010 0.018 0.017 0.000 0.002 0.000 0.008 0.008 0.020 0.086 This creation adds convex parts to the gear cover structure for diversion design, so that part of the gas is dispersed to other flame holes along these diversion designs, so that the overall gas distribution and flame distribution are more even (as shown in Figure 6), through calculations Computational Fluid Dynamics (CFD) analysis, an average of 14 points are captured, and the velocity and standard deviation of each flame hole are calculated. The standard deviation is calculated to be 0.086 (as shown in Table 2 below), which is compared with conventional knowledge The standard deviation of the gear cover structure is 0.107 (shown in Table 1 below), and the overall gas distribution uniformity of this creation is improved by 15%. Table 1 (Conventional tooth cover structure) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 sum Exit speed (m/s) 1.17 0.94 1.02 1.10 1.06 0.91 1.19 1.27 0.99 0.96 1.09 1.01 0.96 1.20 Standard deviation 0.011 0.014 0.002 0.002 0.000 0.024 0.016 0.044 0.006 0.010 0.001 0.003 0.011 0.019 0.107 Table 2 (The structure of the tooth cover of this creation) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 sum Exit speed (m/s) 1.06 0.90 0.91 1.00 1.00 0.89 1.13 1.12 0.99 0.95 0.98 0.90 0.90 1.13 Standard deviation 0.005 0.008 0.006 0.000 0.000 0.010 0.018 0.017 0.000 0.002 0.000 0.008 0.008 0.020 0.086

[實施例的有益效果][Beneficial effects of the embodiment]

以上所公開的內容僅為本創作的優選可行實施例，並非因此侷限本創作的申請專利範圍，所以凡是運用本創作說明書及圖式內容所做的等效技術變化，均包含於本創作的申請專利範圍內。The content disclosed above is only a preferred and feasible embodiment of this creation, and does not limit the scope of patent application for this creation. Therefore, all equivalent technical changes made using this creation specification and schematic content are included in the application for this creation. Within the scope of the patent.

1:頂板 11:頂面 12:底面 2:外側板 21:內壁面 22:外壁面 23: 環型槽道 231:進氣區域 3:焰孔 4:凸部 41:端面 42:側面 43:底側面 5:內側板 6:通道 H1:凸部的高度 H2:外側板的高度 H3:內側板的高度 L:凸部的長度 W:凸部的寬度 100:環座 101:流道1: Top plate 11: Top surface 12: Bottom 2: Outer board 21: inner wall 22: Outer wall 23: Annular channel 231: intake area 3: flame hole 4: Convex 41: end face 42: side 43: bottom side 5: Inner panel 6: Channel H1: Height of convex part H2: The height of the outer panel H3: The height of the inner panel L: The length of the convex part W: the width of the convex part 100: ring seat 101: Runner

圖1為本創作瓦斯爐的齒蓋結構的立體圖(一)。Figure 1 is a three-dimensional view of the tooth cover structure of the creative gas stove (1).

圖2為本創作瓦斯爐的齒蓋結構的立體圖(二)。Figure 2 is a three-dimensional view of the tooth cover structure of the creative gas stove (2).

圖3為本創作瓦斯爐的齒蓋結構的立體圖(三)。Figure 3 is a three-dimensional view of the tooth cover structure of the creative gas stove (3).

圖4為本創作瓦斯爐的齒蓋結構的仰視圖。Figure 4 is a bottom view of the tooth cover structure of the created gas stove.

圖5為圖4的Ⅴ-Ⅴ剖視圖。Fig. 5 is a sectional view taken along the line V-V of Fig. 4;

圖6為本創作瓦斯爐的齒蓋結構使用狀態的示意圖。Figure 6 is a schematic diagram of the working state of the tooth cover structure of the creative gas stove.

1:頂板 1: Top plate

12:底面 12: Bottom

2:外側板 2: Outer board

21:內壁面 21: inner wall

22:外壁面 22: Outer wall

23:環型槽道 23: Ring channel

3:焰孔 3: flame hole

4:凸部 4: Convex

41:端面 41: end face

42:側面 42: side

43:底側面 43: bottom side

5:內側板 5: Inner panel

6:通道 6: Channel

Claims

一種瓦斯爐的齒蓋結構，包括：一頂板，該頂板呈圓形環體，該頂板具有一頂面及一底面；一外側板，該外側板呈圓形環體，該外側板連接於該頂板靠近外側處，該外側板向下延伸預定高度，該外側板具有一內壁面及一外壁面，該頂板及該外側板之間形成一環型槽道，該環型槽道具有多個進氣區域；多個焰孔，該些焰孔間隔的設置於該外側板上，該些焰孔貫穿至該外側板的內壁面及外壁面；以及多個凸部，該些凸部間隔的設置於該頂板的底面上，該些凸部突出於該環型槽道中，該些凸部位於相鄰的兩個所述進氣區域之間，該些凸部與該外側板的內壁面形成間隔設置，該些凸部的一端與該外側板的內壁面之間各形成有一通道。 A tooth cover structure of a gas stove, including: A top plate, the top plate is a circular ring, the top plate has a top surface and a bottom surface; An outer panel, the outer panel is a circular ring, the outer panel is connected to the top panel near the outer side, the outer panel extends downward to a predetermined height, the outer panel has an inner wall surface and an outer wall surface, the top plate and the outer side A ring-shaped channel is formed between the plates, and the ring-shaped channel has multiple air intake areas; A plurality of flame holes, the flame holes are arranged on the outer plate at intervals, and the flame holes penetrate to the inner wall surface and the outer wall surface of the outer plate; and A plurality of convex parts, the convex parts are arranged on the bottom surface of the top plate at intervals, the convex parts protrude in the annular groove, the convex parts are located between two adjacent air-intake regions, the The protrusions are arranged at intervals with the inner wall surface of the outer plate, and a channel is formed between one end of the protrusions and the inner wall surface of the outer plate.

如請求項1所述的瓦斯爐的齒蓋結構，其中該些凸部面向該外側板的內壁面的一端各形成一端面，該些通道分別位於該些凸部的端面與該外側板的內壁面之間。The tooth cover structure of the gas stove according to claim 1, wherein the convex portions facing the inner wall surface of the outer plate each form an end surface, and the channels are respectively located on the end surfaces of the convex portions and the inner wall of the outer plate Between the walls.

如請求項2所述的瓦斯爐的齒蓋結構，其中該些凸部還各具有兩側面，該兩側面的一端分別連接於該端面的兩端，該些凸部還各具有一底側面，該底側面位於該凸部上遠離該頂板的底面的一面。According to claim 2, the tooth cover structure of a gas stove, wherein the convex portions further each have two side surfaces, one end of the two side surfaces is respectively connected to two ends of the end surface, and the convex portions each have a bottom side surface, The bottom side surface is located on the side of the convex portion away from the bottom surface of the top plate.

如請求項3所述的瓦斯爐的齒蓋結構，其中該兩側面及該底側面皆為平面，且該兩側面相互平行。The tooth cover structure of the gas stove according to claim 3, wherein the two side surfaces and the bottom side surface are both flat, and the two side surfaces are parallel to each other.

如請求項2所述的瓦斯爐的齒蓋結構，其中該端面為平面。The tooth cover structure of the gas stove according to claim 2, wherein the end surface is a flat surface.

如請求項1所述的瓦斯爐的齒蓋結構，其中該些凸部的高度小於該外側板的高度。The tooth cover structure of the gas stove according to claim 1, wherein the height of the convex portions is smaller than the height of the outer plate.

如請求項1所述的瓦斯爐的齒蓋結構，其中該些凸部的高度為1.5mm至3.5mm，該些凸部的長度為6mm至9mm，該些凸部的寬度為5mm至7mm。The tooth cover structure of the gas stove according to claim 1, wherein the height of the protrusions is 1.5 mm to 3.5 mm, the length of the protrusions is 6 mm to 9 mm, and the width of the protrusions is 5 mm to 7 mm.

如請求項1所述的瓦斯爐的齒蓋結構，其中還包括一內側板，該內側板呈圓形環體，該內側板連接於該頂板靠近內側處，該內側板向下延伸預定高度，該環型槽道形成於該頂板、該外側板及該內側板之間。The tooth cover structure of a gas stove according to claim 1, which further includes an inner plate, the inner plate is in the shape of a circular ring, the inner plate is connected to the top plate near the inner side, and the inner plate extends downward by a predetermined height, The annular channel is formed between the top plate, the outer plate and the inner plate.

如請求項8所述的瓦斯爐的齒蓋結構，其中該些凸部的另一端連接於該內側板的外側。The tooth cover structure of the gas stove according to claim 8, wherein the other end of the convex portions is connected to the outer side of the inner side plate.

如請求項1所述的瓦斯爐的齒蓋結構，其中該齒蓋結構設置於一環座上，該環座具有多個流道，該些進氣區域與該些流道相對應，使該些凸部位於相鄰的兩個所述流道之間。The toothed cover structure of a gas stove according to claim 1, wherein the toothed cover structure is disposed on a ring seat, the ring seat has a plurality of flow passages, and the air intake regions correspond to the flow passages so that the The convex part is located between two adjacent flow channels.