Bottom housing assembly for a hob and hob

Abstract

The utility model discloses a bottom shell subassembly and stove for stove, bottom shell subassembly for stove includes bottom shell body, and the bottom wall of bottom shell body forms with first boss and second boss, and the recess is defined between first boss and second boss, and first boss has at least two step parts, and at least two step parts arrange along the up and down direction, and the top surface of the topmost step part forms the mounting surface, and the mounting surface is suitable for installing the burner, and second boss is suitable for installing the igniter. The bottom shell subassembly for stove of the utility model embodiment can effectively increase the heat conduction path length between the burner and the igniter, thereby reducing the heat transfer rate between the burner and the igniter, slowing down the influence of the high temperature generated by the burner on the igniter to a certain extent, so that the temperature rise of the igniter can be reduced, the working reliability of the igniter is improved, and the product competitiveness of the stove is improved.

Description

Technical Field

[0001] This utility model relates to the field of stove technology, and in particular to a bottom shell assembly for a stove and a stove. Background Technology

[0002] A stove typically consists of an igniter, burners, a control panel, and a base. When a stove is used continuously for a long time, the temperature between the base and the control panel will continue to rise. Excessive temperature can cause the igniter to fail or age faster, eventually preventing the igniter from igniting and affecting the use of the stove.

[0003] To address these issues, some vendors now install heat insulation boxes around the igniter to insulate it from the heat.

[0004] However, while heat insulation boxes can solve the problem of igniter temperature rise, they also increase the material and installation costs of the stove, which is detrimental to the product competitiveness of the stove. Utility Model Content

[0005] This utility model aims to solve at least one of the technical problems existing in the prior art. To this end, this utility model proposes a bottom shell assembly for a stove, which reduces the temperature rise of the igniter by changing the structure of the bottom shell assembly, thereby improving the product competitiveness of the stove and stabilizing its performance.

[0006] This utility model also aims to provide a stove having the above-mentioned bottom shell assembly.

[0007] According to an embodiment of the present invention, a bottom shell assembly for a stove includes: a bottom shell body, a first protrusion and a second protrusion formed on the bottom wall of the bottom shell body, a recess defined between the first protrusion and the second protrusion, the first protrusion having at least two stepped portions, the at least two stepped portions being arranged in a vertical direction, the top surface of the uppermost stepped portion forming a mounting surface, the mounting surface being suitable for mounting a burner, and the second protrusion being suitable for mounting an igniter.

[0008] According to an embodiment of the present invention, the bottom shell assembly for a stove is configured such that the first protrusion has at least two stepped portions, which are arranged vertically, and the top surface of the uppermost step is configured as a mounting surface suitable for mounting the burner. This effectively increases the heat conduction path length between the burner and the igniter when the burner is mounted to the mounting surface and the igniter is mounted to the second protrusion. Since the rate of heat conduction is inversely proportional to the length of the heat conduction path, the heat transfer rate between the burner and the igniter can be effectively reduced. This mitigates the impact of the high temperature generated by the burner on the igniter to a certain extent, thereby reducing the temperature rise of the igniter, improving its operational reliability, and enhancing the product competitiveness of the stove.

[0009] In some embodiments, the step portion has a top wall and a first side wall connected to the outer periphery of the top wall, the first side wall extending obliquely in the vertical direction toward the second boss.

[0010] In some embodiments, the second boss has a mounting area, the igniter is adapted to be mounted to the mounting area, and a third boss is formed between the mounting area and the first boss.

[0011] In some embodiments, the third boss is defined by a portion of the bottom wall of the recess protruding upwards.

[0012] In some embodiments, the third boss has a second sidewall disposed toward the first boss and a third sidewall disposed toward the second boss, wherein the second sidewall and the third sidewall extend obliquely toward each other in the protrusion direction of the third boss.

[0013] In some embodiments, at least one of the first boss facing the second boss, the second boss facing the first boss, and the third boss is provided with a first air inlet.

[0014] In some embodiments, a second air inlet is provided in the installation area.

[0015] In some embodiments, the mounting area is provided with mounting ribs, which are arranged at intervals with the second air inlet. The mounting ribs protrude upward so that the top surface of the mounting ribs and the second air inlet are spaced apart in the vertical direction. The igniter is adapted to be mounted on the top surface of the mounting ribs.

[0016] In some embodiments, the mounting rib is defined by a portion of the top wall of the second boss protruding upwards.

[0017] The stove according to an embodiment of the present utility model includes: a bottom shell assembly, which is the aforementioned bottom shell assembly for a stove; a burner and an igniter, wherein the burner is mounted to a mounting surface and the igniter is mounted to a second protrusion.

[0018] According to the embodiments of the present invention, by adopting the aforementioned bottom shell assembly, the stove can reduce the impact of excessively high temperatures on the igniter during long-term operation, avoid excessively high igniter temperatures, and thus prevent igniter failure or accelerated aging, thereby ensuring the working performance of the igniter and improving the working performance of the stove, which is beneficial to enhancing the product competitiveness of the stove.

[0019] Additional aspects and advantages of this invention will become apparent from the description which follows, or may be learned by practice of this invention. Attached Figure Description

[0020] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which: Figure 1This is a schematic diagram of the housing assembly according to some embodiments of the present invention; Figure 2 for Figure 1 A magnified view of region I in the middle; Figure 3 This is a top view of a housing assembly according to some embodiments of the present invention; Figure 4 This is a schematic diagram of a stove according to some embodiments of the present utility model; Figure 5 This is a top view of a stove according to some embodiments of the present invention; Figure 6 This is a cross-sectional view of a stove according to some embodiments of the present invention; Figure 7 for Figure 6 Enlarged view of region II.

[0021] Figure label: 1000. Stoves; 100. Bottom shell assembly; 200. Bottom shell body; 300. First boss; 310. Stepped section; 311. First sidewall; 400. Second boss; 410. Installation area; 411. Second air inlet; 412. Installation ribs; 420. Side wall; 500. Depression; 800, Third boss; 810. Second sidewall; 820. Third sidewall; 830. First air inlet; 840. Third air inlet; 600, burner head; 700, igniter; 900, stopcock valve. Detailed Implementation

[0022] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0023] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0024] The bottom shell assembly 100 for a stove 1000 according to an embodiment of the present invention is described below with reference to the accompanying drawings.

[0025] like Figure 1 and Figure 3 As shown, the bottom shell assembly 100 for a stove 1000 according to an embodiment of the present utility model includes: a bottom shell body 200.

[0026] Combination Figure 1 , Figure 2 and Figure 4 As shown, a first protrusion 300 and a second protrusion 400 are formed on the bottom wall of the bottom shell body 200. A recess 500 is defined between the first protrusion 300 and the second protrusion 400. The first protrusion 300 has at least two stepped portions 310, which are arranged vertically. The top surface of the uppermost stepped portion 310 forms a mounting surface suitable for mounting a burner head 600. An igniter 700 is suitable for mounting on the second protrusion 400. This means that the bottom wall of the bottom shell body 200 has a first protrusion 300 for mounting the burner head 600 and a second protrusion 400 for mounting the igniter 700, and the first protrusion 300 for mounting the burner head 600 has at least two stepped portions 310, which are arranged vertically.

[0027] It should be noted that when the stove 1000 is working continuously, the high temperature is mainly generated by the burner 600. Based on this, this application sets the first protrusion 300 on which the burner 600 is installed to have at least two stepped portions 310 and arranges the at least two stepped portions 310 in the vertical direction. In this way, when the burner 600 is installed on the mounting surface of the first protrusion 300 and the igniter 700 is installed on the second protrusion 400, the heat conduction path length between the burner 600 and the igniter 700 can be effectively increased. Since the rate of heat conduction is inversely proportional to the length of the heat conduction path, the heat at the burner 600 takes a relatively long time to transfer to the igniter 700. The longer the transfer path, the greater the heat loss during the transfer process. This can effectively reduce the heat transfer between the burner 600 and the igniter 700, and to a certain extent, mitigate the impact of the high temperature generated by the burner 600 on the igniter 700. In this way, the temperature rise of the igniter 700 can be reduced, and the working reliability of the igniter 700 can be improved.

[0028] It is worth noting that this application reduces the temperature rise of the igniter 700 by improving the structure of the bottom shell assembly 100 itself, which can effectively reduce the temperature rise at the igniter 700, stabilize the performance of the stove 1000, and help improve the product competitiveness of the stove 1000.

[0029] It should be noted that the first protrusion 300 mentioned above having at least two stepped portions 310 means that the number of stepped portions 310 can be two, three, four or more; at the same time, the bottom wall of the bottom shell body 200 can be understood as the bottom wall of the recessed portion 500.

[0030] In specific examples, combined Figure 1 and Figure 2 As shown, the first boss 300 has two stepped portions 310. The two stepped portions 310 work together to increase the length of the heat conduction path between the burner head 600 and the igniter 700, while also simplifying the structure of the first boss 300 to reduce the molding difficulty of the first boss 300.

[0031] Optionally, combined Figure 1 , Figure 2 and Figure 4 As shown, two first protrusions 300 are formed on the bottom wall of the bottom shell body 200, and a burner head 600 is installed on each first protrusion 300, so that two burner heads 600 can be installed on the bottom shell assembly 100, which facilitates the improvement of the performance of the stove 1000.

[0032] Meanwhile, a recess 500 is defined between each first protrusion 300 and the second protrusion 400, and each first protrusion 300 has at least two steps 310 arranged in the vertical direction, so that the heat conduction path length between each burner 600 and the igniter 700 can be effectively increased, thereby mitigating the impact of the high temperature generated by the burner 600 on the igniter 700.

[0033] In some embodiments, combined with Figure 1 and Figure 2 As shown, the stepped portion 310 has a top wall and a first side wall 311 connected to the outer periphery of the top wall. The first side wall 311 extending obliquely in the vertical direction toward the second protrusion 400. This can be understood as the first side wall 311 of the stepped portion 310 having a portion facing the second protrusion 400 and a portion not facing the second protrusion 400. The first side wall 311 facing the second protrusion 400 needs to extend obliquely in the vertical direction, while the first side wall 311 not facing the second protrusion 400 can extend obliquely in the vertical direction or not. This arrangement is mainly to increase the extension length of the first side wall 311 toward the second protrusion 400, further extending the heat conduction path length between the burner head 600 and the igniter 700, thereby reducing the impact of high temperature on the igniter 700, thus reducing the temperature rise of the igniter 700 and ensuring the working performance of the igniter 700.

[0034] In some embodiments, both the first sidewall 311 facing the second protrusion 400 and the first sidewall 311 not facing the second protrusion 400 extend obliquely in the vertical direction. While ensuring that the first sidewall 311 facing the second protrusion 400 can extend obliquely in the vertical direction, the first sidewall 311 of the entire step portion 310 can also extend in length in the vertical direction, reducing the molding difficulty of the first sidewall 311.

[0035] In some embodiments, combined with Figure 1 , Figure 2 , Figure 6 and Figure 7 As shown, the second boss 400 has a sidewall 420 facing the first boss 300, and the sidewall 420 extends obliquely in the vertical direction. This increases the extension length of the sidewall 420, further extending the heat conduction path length between the burner head 600 and the igniter 700, thereby further reducing the impact of high temperature on the igniter 700 and reducing the temperature rise of the igniter 700.

[0036] In summary, the first sidewall 311 of the first protrusion 300 facing the second protrusion 400 and the sidewall 420 of the second protrusion 400 facing the first protrusion 300 both extend inclined in the vertical direction, effectively extending the heat conduction path length between the burner head 600 and the igniter 700.

[0037] In some embodiments, combined with Figure 1 , Figure 2 and Figure 4 As shown, the second protrusion 400 has an installation area 410, and the igniter 700 is adapted to be installed in the installation area 410. A third protrusion 800 is formed between the installation area 410 and the first protrusion 300. This achieves the formation of a third protrusion 800 between the igniter 700 and the first protrusion 300, which is equivalent to forming a third protrusion 800 between the igniter 700 and the burner head 600. Since the third protrusion 800 itself has a certain area, it can further increase the heat conduction path length between the burner head 600 and the igniter 700, reduce the impact of the heat generated by the burner head 600 on the igniter 700, reduce the temperature rise of the igniter 700, and ensure the working performance of the igniter 700.

[0038] In the description of this utility model, the features defined as "first", "second" and "third" may explicitly or implicitly include one or more of the features, used to distinguish the descriptive features, without any order or importance.

[0039] In some embodiments, combined with Figure 1 and Figure 2 As shown, the first protrusion 300 and the second protrusion 400 are arranged alternately in the first direction, and the third protrusion 800 extends along the second direction. The second direction, the first direction, and the vertical direction intersect each other. Because both the burner head 600 and the igniter 700 have a certain extension length in the second direction (e.g., Figure 4 and Figure 5 As shown), by setting the third protrusion 800 to extend along the second direction, a third protrusion 800 can be formed between the burner head 600 and the igniter 700, so as to effectively utilize the third protrusion 800 to increase the heat conduction path length between the burner head 600 and the igniter 700, thereby reducing the temperature rise of the igniter 700.

[0040] In some embodiments, combined with Figure 1 , Figure 2 and Figure 7 As shown, the third boss 800 is defined by a portion of the bottom wall of the recess 500 protruding upwards. This not only reduces the molding difficulty of the third boss 800, but also extends the length of the bottom wall between the first boss 300 and the second boss 400, thereby increasing the heat conduction path length between the burner head 600 and the igniter 700 and effectively reducing the temperature rise of the igniter 700.

[0041] In some embodiments, combined with Figure 1 , Figure 2 and Figure 7As shown, the third boss 800 has a second sidewall 810 facing the first boss 300 and a third sidewall 820 facing the second boss 400. In the protruding direction of the third boss 800, the second sidewall 810 and the third sidewall 820 extend obliquely toward each other. This causes the second sidewall 810 and the third sidewall 820 to extend obliquely in the vertical direction, thereby increasing the extension length of the second sidewall 810 and the third sidewall 820, further extending the heat conduction path length between the burner head 600 and the igniter 700, and reducing the impact of high temperature on the igniter 700.

[0042] Meanwhile, by setting the second sidewall 810 and the third sidewall 820 to extend at an angle toward each other in the protrusion direction of the third boss 800, the molding difficulty of the second sidewall 810 and the third sidewall 820 can be reduced, thereby reducing the molding difficulty of the third boss 800.

[0043] In some embodiments, combined with Figure 1 and Figure 2 As shown, a first air inlet 830 is provided on at least one of the following: the side of the first protrusion 300 facing the second protrusion 400, the side of the second protrusion 400 facing the first protrusion 300, and the third protrusion 800. The first air inlet 830 can form a "broken bridge" between the first protrusion 300 and the second protrusion 400 through physical separation, so that the structure between the first protrusion 300 and the second protrusion 400 is formed as a discontinuous structure. This facilitates the use of the low thermal conductivity of air to create a high thermal resistance barrier in the solid, thereby blocking heat transfer and further mitigating the impact of the high temperature generated by the burner head 600 on the igniter 700.

[0044] Meanwhile, the first air inlet 830 also allows the external low-temperature airflow to enter the interior of the bottom shell body 200. On the one hand, it facilitates the use of the external low-temperature airflow to cool down the high temperature inside the bottom shell body 200. On the other hand, it can also form an air wall between the first protrusion 300 and the second protrusion 400, thereby forming an air wall between the burner head 600 and the igniter 700, effectively disconnecting the burner head 600 and the igniter 700, preventing the heat from the burner head 600 from being transferred to the igniter 700, and reducing the temperature rise of the igniter 700.

[0045] In summary, this application not only reduces the impact of the high temperature generated by the burner 600 on the igniter 700 by increasing the length of the heat conduction path between the burner 600 and the igniter 700, but also sets up a first air inlet 830 to facilitate the formation of a "broken bridge" and an air wall to further reduce the impact of the high temperature generated by the burner 600 on the igniter 700, thereby reducing the temperature rise of the igniter 700 and improving the operational reliability of the igniter 700.

[0046] In specific examples, such as Figure 4 and Figure 5 As shown, a stopcock valve 900 is provided inside the bottom shell assembly 100. When the channel inside the stopcock valve 900 is opened and gas is injected from the gas pipeline to the burner head 600, due to the pressure difference, the external low-temperature airflow can enter the bottom shell body 200 through the first air inlet 830, thereby forming an air wall between the burner head 600 and the igniter 700. The air wall serves to block the heat transfer to the igniter 700, preventing high temperature from damaging the igniter 700 and greatly improving the working performance of the igniter 700.

[0047] It should be noted that the above-mentioned provision of a first air inlet 830 on at least one of the following: the side of the first protrusion 300 facing the second protrusion 400, the side of the second protrusion 400 facing the first protrusion 300, and the third protrusion 800; or, the first air inlet 830 on one of the following: the side of the first protrusion 300 facing the second protrusion 400, the side of the second protrusion 400 facing the first protrusion 300, and the third protrusion 800; or, the first air inlet 830 on two of the following: the side of the first protrusion 300 facing the second protrusion 400, the side of the second protrusion 400 facing the first protrusion 300, and the third protrusion 800; or, the first air inlet 830 on the side of the first protrusion 300 facing the second protrusion 400, the side of the second protrusion 400 facing the first protrusion 300, and the third protrusion 800.

[0048] In some embodiments, a first air inlet 830 is provided on the side of the first protrusion 300 facing the second protrusion 400, the side of the second protrusion 400 facing the first protrusion 300, and the third protrusion 800, so as to realize that multiple first air inlets 830 are provided between the first protrusion 300 and the second protrusion 400. The multiple first air inlets 830 working together can not only effectively block heat transfer, but also form a multi-step wind wall between the first protrusion 300 and the second protrusion 400, effectively preventing the heat of the burner head 600 from being transferred to the igniter 700.

[0049] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0050] In specific examples, combined Figure 1 and Figure 2 As shown, in this application, the first air inlet 830 is only provided on the third boss 800. While realizing the first air inlet 830 between the first boss 300 and the second boss 400, it can also avoid reducing the structural strength of the bottom shell assembly 100 due to the provision of multiple first air inlets 830, and simplify the structure of the bottom shell assembly 100, thereby reducing the molding difficulty of the bottom shell assembly 100.

[0051] In some embodiments, such as Figure 2As shown, the first air inlet 830 extends along the second direction. This increases the area of ​​the first air inlet 830, thereby increasing the air intake; furthermore, since both the burner head 600 and the igniter 700 have a certain extension length in the second direction (e.g., ...), ... Figure 4 and Figure 5 As shown), by setting the first air inlet 830 to extend along the second direction, a first air inlet 830 can be formed between the burner head 600 and the igniter 700, thereby effectively forming an air wall between the burner head 600 and the igniter 700 and reducing the temperature rise of the igniter 700.

[0052] It is worth noting that when the first air inlet 830 is provided on the third protrusion 800, by setting the second side wall 810 and the third side wall 820 on the third protrusion 800 to extend inclined towards each other in the protruding direction of the third protrusion 800, it is beneficial to accelerate the intake speed of the external low temperature air, so as to form an air wall, thereby making it easier to use the air wall to block the heat of the burner 600 from being transferred to the igniter 700.

[0053] In some embodiments, such as Figure 1 As shown, a second air inlet 411 is provided in the installation area 410. The second air inlet 411 also allows external low-temperature airflow to enter the interior of the bottom shell body 200. Since the second air inlet 411 is located in the installation area 410, it can be positioned close to the igniter 700. In this way, the low-temperature air entering from the second air inlet 411 can be used to cool the igniter 700, preventing the igniter 700 from losing its ignition performance due to high-temperature aging and extending the service life of the igniter 700.

[0054] In summary, this application not only improves the structure of the bottom shell assembly 100 between the burner 600 and the igniter 700 to reduce the impact of the high temperature generated by the burner 600 on the igniter 700, but also actively cools down the igniter 700, effectively reducing the temperature rise of the igniter 700.

[0055] Optionally, such as Figure 1 As shown, the installation area 410 is provided with multiple second air inlets 411. The multiple second air inlets 411 work together to improve the cooling effect on the igniter 700.

[0056] In some embodiments, combined with Figure 1 and Figure 4 As shown, the bottom shell body 200 is also provided with a third air inlet 840. The third air inlet 840 can also be used to supply fresh air into the bottom shell assembly 100. Air is a necessary condition for gas combustion, thereby ensuring the working performance of the stove 1000.

[0057] In some embodiments, combined with Figure 1 , Figure 2 and Figure 4 As shown, the mounting area 410 is provided with mounting ribs 412, which are spaced apart from the second air inlet 411. The mounting ribs 412 protrude upwards so that the top surface of the mounting ribs 412 and the second air inlet 411 are spaced apart in the vertical direction. The igniter 700 is suitable for mounting on the top surface of the mounting ribs 412. This arrangement of the igniter 700 and the second air inlet 411 in the vertical direction prevents the igniter 700 from obstructing the air intake of the second air inlet 411 after it is installed in place. This allows the second air inlet 411 to effectively cool the igniter 700 and reduce its temperature rise.

[0058] In some embodiments, the mounting rib 412 is defined by a portion of the top wall of the second boss 400 protruding upwards. This reduces the molding difficulty of the mounting rib 412.

[0059] The stove 1000 of this utility model is described below with reference to the accompanying drawings.

[0060] like Figure 4 and Figure 5 As shown, a stove 1000 according to an embodiment of the present utility model includes: a bottom shell assembly 100, a burner head 600, and an igniter 700.

[0061] Among them, the bottom shell assembly 100 is the aforementioned bottom shell assembly 100, and the specific structure of the bottom shell assembly 100 will not be described in detail here.

[0062] Combination Figure 1 and Figure 4 As shown, the burner head 600 is mounted to the mounting surface, and the igniter 700 is mounted to the second protrusion 400. Since the mounting surface is the top surface of the uppermost step 310, the above mounting method can effectively increase the heat conduction path length between the burner head 600 and the igniter 700, reduce the impact of the high temperature generated by the burner head 600 on the igniter 700, and thus reduce the temperature rise of the igniter 700.

[0063] As can be seen from the above structure, the stove 1000 of this utility model embodiment, by adopting the aforementioned bottom shell assembly 100, can reduce the impact of excessively high temperature of the stove 1000 on the igniter 700 during long-term operation, avoid the igniter 700 from overheating, thereby preventing the igniter 700 from failing or aging prematurely, thus ensuring the working performance of the igniter 700 and improving the working performance of the stove 1000.

[0064] In the specific example, stove 1000 is a household gas stove.

[0065] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0066] The specific structures of the bottom shell assembly 100 for the stove 1000 and other components of the stove 1000, such as the igniter 700 and the burner 600, according to the embodiments of the present invention are known to those skilled in the art and will not be described in detail here.

[0067] In this specification, the terms "embodiment," "example," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0068] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A bottom shell assembly (100) for a cooktop (1000), characterized in that, include: The bottom shell body (200) has a first boss (300) and a second boss (400) formed on its bottom wall. A recess (500) is defined between the first boss (300) and the second boss (400). The first boss (300) has at least two stepped portions (310) arranged in the vertical direction. The top surface of the uppermost stepped portion (310) forms a mounting surface, which is suitable for mounting a burner head (600). The second boss (400) is suitable for mounting an igniter (700).

2. The bottom shell assembly (100) for a cooktop (1000) according to claim 1, characterized in that, The stepped portion (310) has a top wall and a first side wall (311) connected to the outer periphery of the top wall, the first side wall (311) extending obliquely toward the second boss (400) in the vertical direction.

3. The bottom shell assembly (100) for a cooktop (1000) according to claim 1, characterized in that, The second boss (400) has an installation area (410), the igniter (700) is adapted to be installed in the installation area (410), and a third boss (800) is formed between the installation area (410) and the first boss (300).

4. The bottom shell assembly (100) for a cooktop (1000) according to claim 3, characterized in that, The third protrusion (800) is defined by a portion of the bottom wall of the recess (500) protruding upwards.

5. The bottom shell assembly (100) for a cooktop (1000) according to claim 3, characterized in that, The third boss (800) has a second sidewall (810) disposed toward the first boss (300) and a third sidewall (820) disposed toward the second boss (400), wherein the second sidewall (810) and the third sidewall (820) extend obliquely toward each other in the protrusion direction of the third boss (800).

6. The bottom shell assembly (100) for a cooktop (1000) according to claim 3, characterized in that, A first air inlet (830) is provided on at least one of the first boss (300) facing the second boss (400), the second boss (400) facing the first boss (300), and the third boss (800).

7. The bottom shell assembly (100) for a cooktop (1000) according to claim 3, characterized in that, The installation area (410) is provided with a second air inlet (411).

8. The bottom shell assembly (100) for a cooktop (1000) according to claim 7, characterized in that, The installation area (410) is provided with an installation rib (412), the installation rib (412) and the second air inlet (411) are arranged at intervals, the installation rib (412) protrudes upward so that the top surface of the installation rib (412) and the second air inlet (411) are spaced apart in the vertical direction, and the igniter (700) is adapted to be installed on the top surface of the installation rib (412).

9. The bottom shell assembly (100) for a cooktop (1000) according to claim 8, characterized in that, The mounting rib (412) is defined by a portion of the top wall of the second boss (400) protruding upwards.

10. A stove (1000), characterized in that, include: Bottom shell assembly (100), the bottom shell assembly (100) being the bottom shell assembly (100) for a cooker (1000) according to any one of claims 1-9. A burner head (600) and an igniter (700), wherein the burner head (600) is mounted to the mounting surface and the igniter (700) is mounted to the second boss (400).

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