A head assembly and its integrated stove

Abstract

This invention provides a starter assembly and its integrated cooktop. The starter assembly includes a housing; the housing has a smoke inlet; a flap assembly connected to the housing and rotatable relative to the housing to open and close the smoke inlet; it also includes a limiting assembly comprising a base connected to the housing; and a movable member connected to the base, the limiting end of the movable member being movable between a first region and a second region; wherein, when the flap assembly opens the smoke inlet and the limiting end is in the first region, the limiting end can engage with the flap assembly to prevent the flap assembly from closing the smoke inlet. This invention has the advantage of convenient fixing after the flap is manually opened.

Description

Technical Field

[0001] This application belongs to the field of integrated stove technology, and in particular to a head unit component and its integrated stove. Background Technology

[0002] Typically, integrated cooktops have a smoke inlet and a flap, which can open or close the smoke inlet. During use, electrical or mechanical malfunctions may cause the flap to fail to open automatically and require manual opening. After manually opening the flap, preventing it from closing the smoke inlet and affecting normal use is a technical issue that needs to be considered. Summary of the Invention

[0003] This application provides a head unit assembly and its integrated stove, which can limit the flap after it is opened, thereby preventing the flap from closing the smoke inlet and affecting normal use.

[0004] The objective of this application can be achieved through the following technical solutions:

[0005] A nose assembly, including

[0006] The housing has a smoke inlet.

[0007] A flap assembly, which is connected to the housing and is rotatable relative to the housing to open and close the smoke inlet;

[0008] It also includes a limiting component, the limiting component including

[0009] Base, the base being connected to the housing; and

[0010] A movable component, which is connected to the base, wherein the limiting end of the movable component is movable between a first region and a second region;

[0011] When the flap assembly opens the smoke inlet and the limiting end is in the first region, the limiting end can engage with the flap assembly to prevent the flap assembly from closing the smoke inlet.

[0012] In the aforementioned head assembly, the base is rotatably connected to the housing, and the movable component is fixedly connected to the base or is an integral structure; the movable component can rotate to the first region.

[0013] In the aforementioned head assembly, the base is limited to the housing, and the movable member is slidably connected to the base; the movable member can slide to the first region.

[0014] In the aforementioned head assembly, the base includes a sliding hole, through which the movable member passes and slidably engages. The moving direction of the movable member is perpendicular to the central axis of the base. The limiting assembly further includes a first elastic member, which is at least partially sleeved on the outer periphery of the base. The first elastic member is compressed, and under the action of the first elastic member, the base can move along the height direction of the first elastic member, so that the movable member abuts against the outer wall of the housing.

[0015] In the aforementioned head assembly, the limiting assembly further includes a second elastic element, a third elastic element, and a driving component. The two ends of the second elastic element are respectively connected to the movable component and the base. The third elastic element is located in the height extension direction of the driving component, and one end of the third elastic element is compressed against the driving component. The driving component is slidably connected to the base, and the driving component is used to drive the movable component toward the first region after receiving an external force.

[0016] In the aforementioned head assembly, the base has a receiving cavity, the drive component is at least partially located in the receiving cavity, and the drive component is capable of moving along a length direction perpendicular to the movable member; the movable member includes an inclined surface, along the thickness direction of the movable member, a first end of the inclined surface is located at the front end face of the movable member, a second end of the inclined surface is located at the rear end face of the movable member, the first end of the inclined surface is further away from the central axis of the drive component than the second end of the inclined surface, and when the drive component receives an external force, the drive component is capable of applying a force to the inclined surface to make the movable member move toward the first region.

[0017] In the aforementioned head assembly, the drive component includes a body and a protrusion. The protrusion protrudes from the surface of the body of the drive component, and at least part of the surface of the protrusion is arc-shaped. When the drive component moves under external force, the arc surface of the protrusion can be tangent to the inclined plane.

[0018] In the aforementioned head assembly, the movable component includes a first hole, and the second elastic component is at least partially located in the first hole; the movable component includes a first lug, which is connected to the inner wall surface corresponding to the first hole, and one end of the second elastic component is connected to the first lug; the base includes a second lug, and the other end of the second elastic component is connected to the second lug; the movable component further includes a second hole, which is provided through the movable component along its thickness direction, and the inclined surface is formed on a wall surface corresponding to the second hole, and the driving component passes through the second hole.

[0019] In the aforementioned head assembly, the flip-plate assembly includes a plate and at least one connecting arm. The plate is connected to the connecting arm, and the connecting arm is rotatably connected to the housing. The connecting arm is provided with a groove. When the movable part moves to the first area, the limiting end of the movable part abuts against the side wall of the groove.

[0020] An integrated cooktop includes a lower cabinet assembly, a cooktop, and a fan head assembly. The cooktop is connected to the lower cabinet assembly, and the lower cabinet assembly is connected to the fan head assembly. The lower cabinet assembly includes a fan, and the fan's duct is connected to the smoke inlet duct of the fan head assembly.

[0021] Compared with the prior art, this application has the following advantages:

[0022] In the event of an electrical or mechanical fault, the flap assembly can be manually opened. Once the flap assembly is opened to the preset position, the limiting end of the movable part in the limiting assembly moves to the first area, where the limiting end engages with the flap assembly, thereby limiting the movement of the flap assembly and preventing it from closing the smoke inlet. This effectively solves the problem of the flap assembly not being able to be effectively fixed after being opened. When the limiting end is in the second area, the limiting end is released from the limiting position between the limiting end and the flap assembly, and the movement of the flap assembly is not restricted. Attached Figure Description

[0023] Figure 1 This is a three-dimensional structural diagram of the flip-up panel assembly of the integrated stove in this application after it is opened;

[0024] Figure 2 This is a cross-sectional structural diagram of the limiting component and the housing after assembly in the first embodiment of this application;

[0025] Figure 3 This is a three-dimensional structural diagram of the base in this application.

[0026] Figure 4 This is a three-dimensional structural diagram of the limiting component and the connecting arm cooperating in the second embodiment of this application;

[0027] Figure 5 This is a cross-sectional view of the limiting component according to the second embodiment of this application;

[0028] Figure 6 This is an exploded structural diagram of a portion of the limiting component in the second embodiment of this application;

[0029] Figure 7 This is a three-dimensional structural diagram of the connecting arm in this application;

[0030] Figure 8 This is a cross-sectional structural diagram of the limiting component in the third embodiment of this application.

[0031] In the picture,

[0032] 2. Head assembly; 21. Housing; 211. Smoke inlet;

[0033] 3. Flip panel assembly; 31. Panel; 32. Connecting arm; 321. Groove;

[0034] 4. Limiting components;

[0035] 41. Base; 411. Sliding hole; 412. Receiving cavity; 413. Second hanging ear;

[0036] 42. Movable part; 421. Inclined surface; 4211. First end; 4212. Second end; 422. First hole; 423. First lug; 424. Second hole; 425. Limiting protrusion;

[0037] 43. First elastic element; 44. Second elastic element; 45. Third elastic element; 46. Driving component; 461. Body part; 462. Protrusion part; 463. Limiting part;

[0038] 47. Limiting plate;

[0039] 5. Lower cabinet components. Detailed Implementation

[0040] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0041] like Figures 1 to 8 As shown, an integrated stove includes a lower cabinet assembly 5, a cooktop, and a head unit assembly 2. The cooktop is connected to the lower cabinet assembly 5, and the lower cabinet assembly 5 is connected to the head unit assembly 2. The lower cabinet assembly 5 includes a fan, and the fan's duct is connected to the smoke inlet channel of the head unit assembly 2. The head unit assembly 2 includes a housing 21 and a flap assembly 3. The housing 21 has a smoke inlet 211. The flap assembly 3 is connected to the housing 21 and can rotate relative to the housing 21 to open and close the smoke inlet 211. It also includes a limiting assembly 4, which includes a base 41 and a movable part 42. The base 41 is connected to the housing 21. The movable part 42 is connected to the base 41, and its limiting end can move between a first region and a second region. When the flap assembly 3 opens the smoke inlet 211 and the limiting end of the movable part 42 is in the first region, the limiting end can engage with the flap assembly 3 to prevent the flap assembly 3 from closing the smoke inlet 211. Figure 1As shown, after an electrical or mechanical fault occurs, the flap assembly 3 can be manually opened. After the flap assembly 3 is opened to the preset position, the limiting end of the movable part 42 in the limiting assembly 4 moves to the first area. The limiting end engages with the flap assembly 3, thereby limiting the movement of the flap assembly 3 and limiting its closure of the smoke inlet 211. This effectively solves the problem that the flap assembly 3 cannot be effectively fixed after being opened. When the limiting end is in the second area, the limiting end of the movable part can release the limiting end between the limiting end and the flap assembly, and the movement of the flap assembly 3 will not be restricted.

[0042] In this embodiment, the first region refers to the orthographic projection position of the part of the flap assembly 3 that can engage with the limiting end of the movable member 42, while the second region refers to the remaining part other than the part of the flap assembly 3 that can engage with the limiting end of the movable member 42.

[0043] In this embodiment, the limiting component 4 is positioned within the reach of the flip-up assembly 3. When the flip-up assembly 3 is closed, the limiting component 4 is not visible. As the flip-up assembly 3 gradually opens, the limiting component 4 is gradually exposed to the field of vision. Adjusting the limiting component 4 then restricts the flip-up assembly 3 from rotating. This improves the aesthetics of the machine head assembly 2. Alternatively, in other embodiments, the limiting component 4 can be positioned outside the reach of the flip-up assembly 3. By adjusting the limiting end of the movable part 42, the limiting end can engage with the flip-up assembly 3.

[0044] In one embodiment, the base 41 is rotatably connected to the housing 21, and the movable member 42 is fixedly connected to the base 41 or is an integral structure; the movable member 42 can rotate to the first region.

[0045] In this embodiment, the base 41 is rotated to adjust the position of the upper limit end of the movable part 42 until the limit end moves into the first area, so that the limit end restricts the flap assembly 3 from closing the smoke inlet 211.

[0046] In another embodiment, the base 41 is limitedly connected to the housing 21, and the movable member 42 is slidably connected to the base 41; the movable member 42 can slide to the first region.

[0047] In this embodiment, the base 41 is limited to the housing 21, including at least two situations: the first is that the base 41 is fixedly connected to the housing 21, and the second is that the base 41 is laterally limited by the housing 21. In the first situation, the sliding movable member 42 is slidable to adjust the limiting end of the movable member 42 into the first area, so that the limiting end restricts the flap assembly 3 from closing the smoke inlet 211. When the base 41 and the housing 21 are relatively fixed, the movable member 42 moves in a sliding manner, so that the movable member 42 will not rotate about the base 41 as an axis. After the limiting end of the movable member 42 is engaged with the flap assembly 3, the flap assembly 3 can be better limited, reducing the possibility that the flap assembly 3 will disengage from the limiting end due to gravity or other reasons. Alternatively, in the second scenario, the lateral direction of the base 41 is limited by the housing 2. In this case, at least one of the circumferential and height directions of the base 41 may not be limited. When the circumferential direction of the base 41 is not limited, the base 41 can rotate. At this time, the sliding movable part 42 and / or the movable part 42 rotates with the base 41 as the pivot point to adjust the position of the limiting end of the movable part 42 until the limiting end moves into the first area, so that the limiting end restricts the flap assembly 3 from closing the smoke inlet 211.

[0048] In other embodiments, the base 41 is limitedly connected to the housing 21, and one end of the movable member 42 is hinged to the base 41. By flipping the movable member 42, the limiting end of the movable member 42 is moved to the first region. This allows the limiting end to restrict the flap assembly 3 from closing the smoke inlet 211.

[0049] In all the above embodiments, the limiting end of the movable part 42 is moved to the first area to limit the position of the flip panel assembly 3. While the flip panel assembly 3 is opened with one hand, the other hand can adjust the position of the limiting end of the movable part 42, making it simple and portable to operate, and providing stable positioning.

[0050] The following will provide a detailed description of the specific implementation method of the limiting component.

[0051] See Figure 2 , Figure 2 This is a cross-sectional structural diagram of the limiting component after it is assembled with the housing according to the first embodiment; the first embodiment of the limiting component will be described in detail below.

[0052] Specifically, such as Figure 2-3As shown, the base 41 includes a sliding hole 411, and the movable member 42 passes through the sliding hole 411 and slides in cooperation with the sliding hole 411; the moving direction of the movable member 42 is perpendicular to the central axis of the base 41; the limiting assembly 4 also includes a first elastic member 43, which is at least partially sleeved on the outer periphery of the base 41. The first elastic member 43 is in a compressed state. Under the action of the first elastic member 43, the base 41 can move along the height direction of the first elastic member 43 so that the movable member 42 abuts against the outer wall of the housing 21.

[0053] In this embodiment, one end of the first elastic member 43 abuts against the base 41, and the other end abuts against the inner wall of the housing 21, such as... Figure 2 As shown. Further, the first elastic element 43 is a compression spring. Of course, other elastic elements can also be used instead. Specifically, the limiting assembly also includes a limiting piece 47, which is connected to the end of the base 41 away from the movable member 42, and the other end of the first elastic element 43 abuts against the limiting piece 47. In this embodiment, one end of the first elastic element 43 abuts against the inner wall of the housing 21, and the other end abuts against the limiting piece 47, so that the base 41 moves away from the inner wall of the housing 21, causing the movable member 42 to abut against the outer wall of the housing 21.

[0054] The movable part 42 passes through the sliding hole 411 and slides in fit with the sliding hole 411, enabling the movable part 42 to move stably.

[0055] The first elastic element 43 is always in a compressed state, which enables the base 41 to move inward toward the inside of the housing 21, while keeping the movable element 42 pressed against the outer wall of the housing 21. The friction between the movable element 42 and the outer wall of the housing 21 limits the movement of the movable element 42.

[0056] Of course, in one embodiment, the base 41 is fixedly connected to the housing 21. An external force can be applied to cause the movable part 42 to slide relative to the base 41. After the external force is stopped, the movement stops due to the friction between the movable part 42 and the housing 21, thus preventing the movable part 42 from moving freely.

[0057] Of course, in another embodiment, the base 41 is rotatably connected to the housing 21. An external force can be applied to drive the movable part 42 to rotate about the base 41 as an axis or / and slide relative to the base 41. When the external force is stopped, the movement stops due to the friction between the movable part 42 and the housing 21, thus preventing the movable part 42 from moving freely.

[0058] See Figure 4 and Figure 5 , Figure 4 and Figure 5 This is a schematic diagram of the second embodiment of the limiting component; the second embodiment of the limiting component will be described in detail below.

[0059] Compared to the first implementation of the limiting component, in this embodiment, as Figure 3-5 As shown, the limiting component 4 also includes a second elastic member 44, a third elastic member 45, and a driving component 46. The two ends of the second elastic member 44 are connected to the movable member 42 and the base 41, respectively. The third elastic member 45 is located in the height extension direction of the driving component 46, and one end of the third elastic member 45 is compressed against the driving component 46. The driving component 46 is slidably connected to the base 41, and the driving component 46 is used to drive the movable member 42 toward the first region after receiving an external force.

[0060] When the driving component 46 is pressed, causing it to approach the movable component 42 and press its limiting end to move into the first area, the second elastic member 44 experiences a pulling force during the movement of the movable component 42. After the pressure on the driving component 46 is released, the movable component 42 can reset under the action of the second elastic member 44 if the driving component 46 is not subjected to external force or if the flap assembly 3 and the limiting end of the movable component 42 are not engaged. The driving component 46 can then automatically reset under the action of the third elastic member 45 if it is not subjected to external force.

[0061] This design allows for adjustment of the position of the limiting end of the movable part 42 after pressing the drive component 46, enabling it to have a more precise movement distance and making it more convenient to operate. Simply pressing with a finger will move the limiting end of the movable part to the first area.

[0062] The location of the drive component 46 can be selected, for example, it can be positioned along the central axis of the base 41, or it can move along the central axis of the base 41. Figure 4-5 As shown, or located on the side of the base 41, it moves perpendicular to the central axial direction of the base 41. Preferably, the driving component 46 is located in the direction of the central axis of the base 41 and moves along the central axis.

[0063] Specifically, such as Figure 5-6 As shown, the base 41 has a receiving cavity 412, and the driving member 46 is at least partially located in the receiving cavity 412 and is capable of moving along the length direction perpendicular to the movable member 42; the movable member 42 includes an inclined surface 421, and along the thickness direction of the movable member 42, the first end 4211 of the inclined surface 421 is located on the upper end face of the movable member 42, and the second end 4212 of the inclined surface 421 is located on the lower end face of the movable member 42. The first end 4211 of the inclined surface 421 is further away from the central axis of the driving member 46 than the second end 4212 of the inclined surface 421. When the driving member 46 receives an external force, the driving member 46 is able to apply a force to the inclined surface 421 to make the movable member 42 move toward the first region.

[0064] The driving component 46 is subjected to force and moves along the length direction perpendicular to the movable component 42, and the driving component 46 applies force to the inclined surface 421. This design enables the driving component 46 to drive the movable component 42 to move, so that the limiting end of the movable component 42 can move more easily into the first area.

[0065] At least a portion of the drive component 46 is disposed within the receiving cavity 412, which provides a fixed-direction movement path for the drive component 46, making the movement of the drive component 46 more stable and convenient for pressing.

[0066] Specifically, such as Figure 5-6 As shown, the drive component 46 includes a body portion 461 and a protrusion portion 462. The protrusion portion 462 protrudes from the surface of the body portion 461 of the drive component 46, and the surface of the protrusion portion 462 is at least partially arc-shaped. When the drive component 46 moves in response to an external force, the arc surface of the protrusion portion 462 can be tangent to the inclined surface 421.

[0067] When an external force is applied to the drive component 46, the drive component 46 moves deeper into the receiving cavity 412. The protrusion 462 on the drive component 46 presses against the inclined surface 421. The protrusion 462 cooperates with the inclined surface 421, causing the limiting end of the movable component 42 to move towards the first region. The arc-shaped design of the protrusion 462 forms a line contact with the inclined surface 421, resulting in a smaller contact area. This reduces friction when pressing the drive component 46, allowing the customer to adjust the position of the limiting end of the movable component 42 with less force, thus improving the customer's operating feel.

[0068] Specifically, such as Figure 4-6 As shown, the movable member 42 includes a first hole 422, and a second elastic member 44 is at least partially located in the first hole 422; the movable member 42 includes a first lug 423, which is connected to the inner wall surface corresponding to the first hole 422, and one end of the second elastic member 44 is connected to the first lug 423; the base 41 includes a second lug 413, and the other end of the second elastic member 44 is connected to the second lug 413; the movable member 42 also includes a second hole 424, which is provided through the movable member 42 along the thickness direction, and an inclined surface 421 is formed on a wall surface corresponding to the second hole 424, and the driving member 46 passes through the second hole 424.

[0069] The first hole 422 allows the second elastic member 44 to be hidden inside. The first hook 423 and the second hook 413 make it easier for the second elastic member 44 to connect the movable member 42 and the base 41. In this embodiment, the second elastic member 44 is disposed between the limiting end of the movable member 42 and the base 41.

[0070] In this embodiment, the lower end of the driving component 46 passes through the second hole 424. Since the inclined surface 421 is located on the wall of the second hole 424, and the second hole 424 is approximately in the middle of the width of the movable component, after applying external force to the driving component 46, the protrusion 462 can apply pressure to the inclined surface 421 more evenly, so that the movable component 42 can be moved more easily.

[0071] See Figure 8 , Figure 8 This is a schematic diagram of the third embodiment of the limiting component; the third embodiment of the limiting component will be described in detail below.

[0072] Compared to the second implementation of the limiting component, in this embodiment, as Figure 8 As shown, the difference lies in the different positions and connection methods of the second elastic member 44, the different structures of the driving component 46 and the movable member 42, while the movable member 42 moves in the same way as the base 41.

[0073] The movable component 42 includes a first hole 422' and a second hole 423. One end of the first hole 422' is closed and the other end communicates with the second hole 423. The first hole 422' is arranged along the length direction of the movable component, and the second hole 423 is arranged along the thickness direction of the movable component. The second elastic component 44 is compressed and disposed at the first hole 422'. One end of the second elastic component 44 abuts against the bottom wall of the first hole 422', and the other end abuts against the side wall of the driving component 46.

[0074] The drive component 46 passes through the second hole 423 of the movable component 42. When the drive component 46 receives an external force, the drive component 46 can apply a force to the inclined surface 421 in the second hole 423 to make the movable component 42 move toward the first region.

[0075] Furthermore, the sidewall of the drive component 46 is provided with a limiting part 463 on the side facing the first hole 422', and one end of the second elastic member 44 abuts against the limiting part 463.

[0076] The difference between the movable component in this embodiment and the second embodiment lies in the structure and position of the first hole 422', and the absence of the first hook portion 423 and the second hook portion 413 for connecting the second elastic member 44. A limiting portion 463 is provided on the driving component 46. The second embodiment uses the tension of the second elastic member for reset, while the third embodiment uses the pressure of the second elastic member for reset.

[0077] In the above embodiments, specifically, such as Figure 2-4As shown, each movable component 42 includes two limiting protrusions 425, located at both ends of the movable component 42 along its length. When the movable component 42 is not engaged with the flip-plate assembly 3, the limiting protrusions 425 of the movable component 42 can abut against the base 41, reducing the possibility of the movable component 42 detaching from the base 41. When the movable component 42 is engaged with the flip-plate assembly 3, the limiting protrusions 425 at the limiting ends of the movable component 42 can abut against the side of the flip-plate assembly 3, further reducing the possibility of the movable component 42 detaching from the flip-plate assembly 3. This design improves practicality and safety.

[0078] In the above embodiments, such as Figure 1 , Figure 4 , Figure 5 , Figure 7 As shown, the flip plate assembly 3 includes a plate 31 and at least one connecting arm 32. The plate 31 is connected to the connecting arm 32, and the connecting arm 32 is rotatably connected to the housing 21. The connecting arm 32 is provided with a groove 321. When the movable part 42 moves to the first area, the limiting end of the movable part 42 abuts against the side wall of the groove 321.

[0079] In this embodiment, the groove 321 is located at the lower position of the connecting arm 32. After the limiting end of the movable member 42 abuts against the side wall of the groove 321, it achieves a limiting position. The limiting end of the movable member 42 abuts against the connecting arm 32 from bottom to top, while the limiting protrusion 425 abuts against the side of the connecting arm 32. In other embodiments, a limiting hole is provided on the connecting arm 32. The limiting end of the movable member 42 is directly inserted into the limiting hole to achieve a locking action and abuts against the hole wall, thereby limiting the flap assembly 3.

[0080] In this embodiment, the first region refers to the orthographic projection position of the connecting arm 32, and the second region refers to the area other than the orthographic projection position of the connecting arm 32.

[0081] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indication will also change accordingly.

[0082] Furthermore, the use of terms such as "first" and "second" in this invention is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Meanwhile, the word "and / or" throughout the text means including three solutions; for example, "A and / or B" includes solution A, solution B, or a solution that simultaneously satisfies A and B. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this invention.

[0083] All of the above components are general standard parts or components known to those skilled in the art. Their structure and principles can be learned by those skilled in the art through technical manuals or conventional experimental methods.

[0084] The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of the invention or exceeding the scope defined by the appended claims.

Claims

1. A nose assembly, comprising Housing (21); the housing (21) has a smoke inlet (211); Flip plate assembly (3), which is connected to the housing (21) and can rotate relative to the housing (21) to open and close the smoke inlet (211). Its features are: It also includes a limiting component (4), the limiting component (4) including Base (41), which is connected to the housing (21); and Movable component (42), which is connected to the base (41), and the limiting end of the movable component (42) can move between the first region and the second region; When the flap assembly (3) opens the smoke inlet (211) and the limiting end is in the first area, the limiting end can engage with the flap assembly (3) to restrict the flap assembly (3) from closing the smoke inlet (211). The base (41) includes a sliding hole (411), the movable member (42) passes through the sliding hole (411) and slides in cooperation with the sliding hole (411), the moving direction of the movable member (42) is perpendicular to the central axis of the base (41); the limiting component (4) also includes a first elastic member (43), the first elastic member (43) is at least partially sleeved on the outer periphery of the base (41), the first elastic member (43) is in a compressed state, under the action of the first elastic member (43), the base (41) can move along the height direction of the first elastic member (43) so that the movable member (42) abuts against the outer wall of the housing (21).

2. The head assembly according to claim 1, characterized in that: The base (41) is rotatably connected to the housing (21), and the movable part (42) is fixedly connected to the base (41) or is an integral structure; the movable part (42) can rotate to the first area.

3. The head assembly according to claim 1, characterized in that: The base (41) is limited to the housing (21), and the movable part (42) is slidably connected to the base (41); the movable part (42) can slide to the first area.

4. The head assembly according to claim 1 or 3, characterized in that: The limiting component (4) further includes a second elastic element (44), a third elastic element (45), and a driving component (46). The two ends of the second elastic element (44) are connected to the movable element (42) and the base (41) respectively. The third elastic element (45) is located in the height extension direction of the driving component (46), and one end of the third elastic element (45) is compressed against the driving component (46). The driving component (46) is slidably connected to the base (41), and the driving component (46) is used to drive the movable element (42) toward the first area after receiving an external force.

5. The head assembly according to claim 4, characterized in that: The base (41) has a receiving cavity (412), the driving member (46) is at least partially located in the receiving cavity (412) and the driving member (46) is capable of moving along the length direction perpendicular to the movable member (42); the movable member (42) includes an inclined surface (421), along the thickness direction of the movable member (42), the first end (4211) of the inclined surface (421) is located on the upper end face of the movable member (42), the second end (4212) of the inclined surface (421) is located on the lower end face of the movable member (42), the first end (4211) of the inclined surface (421) is farther away from the central axis of the driving member (46) than the second end (4212) of the inclined surface (421), when the driving member (46) receives an external force, the driving member (46) is capable of applying a force to the inclined surface (421) to make the movable member (42) move toward the first region.

6. The head assembly according to claim 5, characterized in that, The driving component (46) includes a body portion (461) and a protrusion portion (462). The protrusion portion (462) protrudes from the surface of the body portion (461) of the driving component (46), and the surface of the protrusion portion (462) is at least partially arc-shaped. When the driving component (46) moves under the influence of an external force, the arc surface of the protrusion portion (462) can be tangent to the inclined surface (421).

7. The head assembly according to claim 5 or 6, characterized in that: The movable component (42) includes a first hole (422), and the second elastic component (44) is at least partially located in the first hole (422); the movable component (42) includes a first lug (423), the first lug (423) is connected to the inner wall surface corresponding to the first hole (422), and one end of the second elastic component (44) is connected to the first lug (423); the base (41) includes a second lug (413), and the other end of the second elastic component (44) is connected to the second lug (413); the movable component (42) also includes a second hole (424), the second hole (424) is provided through the movable component (42) along the thickness direction, the inclined surface (421) is formed on a wall surface corresponding to the second hole (424), and the driving component (46) passes through the second hole (424).

8. The head assembly according to claim 1, characterized in that: The flip-plate assembly (3) includes a plate (31) and at least one connecting arm (32). The plate (31) is connected to the connecting arm (32), and the connecting arm (32) is rotatably connected to the housing (21). The connecting arm (32) is provided with a groove (321). When the movable part (42) moves to the first area, the limiting end of the movable part (42) abuts against the side wall of the groove (321).

9. An integrated stove, characterized in that, It includes a lower cabinet assembly (5), a cooktop, and a head unit assembly (2) as described in any one of claims 1-8, wherein the cooktop is connected to the lower cabinet assembly (5), and the lower cabinet assembly (5) is connected to the head unit assembly (2); the lower cabinet assembly (5) includes a fan, and the air duct of the fan is connected to the smoke inlet duct of the head unit assembly (2).

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