Ignition mechanism for gas stove and gas stove
By designing a rotatable protective shell and an ignition mechanism controlled by a drive component, the problems of easy damage and short lifespan of the ignition needle in gas stoves have been solved, thus improving ignition stability and lifespan.
Patent Information
- Application Number
- CN202423085688.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-10-31
- Estimated Expiration
- 2034-12-13
AI Technical Summary
The ignition needles of existing gas stoves are easily affected by external environmental interference, posing a risk of damage. They are also prone to cracking at high temperatures, and spilled soup residue can affect sensitivity and lifespan.
Design an ignition mechanism including a mounting component, an ignition needle, a protective shell, and a drive assembly. The drive assembly controls the rotation of the protective shell, switching it between an ignition position and a protection position. When the protective shell is in the ignition position, the ignition needle is exposed, and when it is in the protection position, the ignition needle is covered to prevent external interference and high-temperature damage.
It improves the stability and lifespan of the ignition needle, reduces the impact of the external environment on the ignition needle, ensures the stability of the ignition effect, and extends the service life.
Smart Images
Figure CN223499626U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of kitchen appliance technology, specifically to an ignition mechanism for a gas stove and a gas stove. Background Technology
[0002] The ignition mechanism of a gas stove typically includes an ignition needle, which ignites the gas upon contact with the emitted gas. Currently, most ignition needles have their ignition end extending above the burner and exposed directly to the outside, which is not only unsightly but also susceptible to external interference. Furthermore, the ignition needle is at risk of breaking during transportation or installation. Additionally, during cooking, the ignition needle is exposed to direct, high-temperature flames for extended periods, which can cause it to crack. Spilled broth may also adhere to the ignition needle, potentially leading to reduced sensitivity, unreliable performance, and a shortened lifespan.
[0003] Therefore, there is an urgent need for an ignition mechanism to solve the above problems. Utility Model Content
[0004] The purpose of this application is to solve or at least alleviate some or all of the aforementioned problems. Therefore, the purpose of this application is to provide an ignition mechanism and gas stove for a gas stove, which can reduce the influence of the external environment on the ignition needle, ensure ignition effect, and extend the service life of the ignition needle.
[0005] To achieve the above objectives, this application adopts the following technical solution:
[0006] In a first aspect, this application provides an ignition mechanism for a gas stove, comprising:
[0007] The mounting component is configured to be fixed to the base of the gas stove;
[0008] An ignition needle is erected along its length on the mounting component, with the ignition end of the ignition needle facing the inner burner cap of the gas stove.
[0009] A protective shell, which is rotatably mounted on the mounting member, and the protective shell has an opening at a first end in its length direction for the ignition needle to extend into, and a notch at a second end that corresponds to the ignition end;
[0010] A driving component is provided to drive the protective shell to rotate around the ignition needle, so that the protective shell moves to an ignition position where the ignition end is exposed from the notch in the protective shell, or to a protective position where the ignition end is blocked by the protective shell.
[0011] As an optional solution for the ignition mechanism of the gas stove, the drive assembly includes a driver, a drive gear, and a driven gear. The driven gear is sleeved and fixed outside the protective shell. The drive gear meshes with the driven gear. The driver is used to drive the drive gear to rotate, so that the driven gear drives the protective shell to rotate.
[0012] As an optional solution for the ignition mechanism of the gas stove, the driven gear is integrally formed with the protective shell.
[0013] As an optional embodiment of the ignition mechanism for the gas stove, the ignition needle has an elastic sleeve spaced apart from its outer peripheral wall, and the mounting member has a fixing hole for interference fit with the elastic sleeve.
[0014] As an optional solution for the ignition mechanism of the gas stove, the outer peripheral wall of the elastic sleeve has an annular recess, and the diameter of the elastic sleeve at the annular recess is smaller than the diameter of the fixing hole.
[0015] As an optional embodiment of the ignition mechanism for the gas stove, the notch penetrates the second end of the protective shell, and the length of the notch in the length direction of the protective shell is greater than the length of the ignition end in the length direction of the protective shell.
[0016] As an optional solution for the ignition mechanism of the gas stove, the notch has a length of 2cm to 5cm in the length direction of the protective shell.
[0017] As an optional solution for the ignition mechanism of the gas stove, when the protective shell is in the ignition position, the length of the ignition end protruding from the notch is 0.8cm to 2.2cm.
[0018] Secondly, this application provides a gas stove, including a base, a burner head, an inner burner cap, and an ignition mechanism for a gas stove as described in any of the preceding claims. The burner head is mounted on the base, the inner burner cap covers the central injector tube of the burner head, the mounting component of the ignition mechanism for a gas stove is fixed to the base, and the ignition needle of the ignition mechanism for a gas stove is fixed to the mounting component, with its ignition end facing the inner burner cap.
[0019] As an optional feature of the gas stove, the base has a limiting guide hole through which the protective shell passes, and the length of the limiting guide hole in its longitudinal direction is not less than half the length of the protective shell in its longitudinal direction.
[0020] The beneficial effects of this application are as follows:
[0021] The ignition mechanism provided in this application includes a mounting component, an ignition needle, a protective shell, and a drive assembly. The mounting component is fixed to the base of the gas stove. The ignition needle is erected on the mounting component along its length, with the ignition end of the ignition needle facing the inner burner cap of the gas stove. The protective shell is rotatably mounted on the mounting component, and the protective shell has an opening at its first end along its length for the ignition needle to extend into, and a notch at its second end that corresponds to the ignition end. The drive assembly is used to drive the protective shell to rotate around the ignition needle, so that the protective shell moves to an ignition position where the ignition end is exposed from the notch, thus ensuring that the ignition needle can ignite smoothly, or to move the protective shell to a protective position where the ignition end is blocked by the protective shell, thereby protecting the ignition needle. This solves the problem that the ignition needle is easily malfunctioning and its ignition performance is affected by the external environment when exposed to the outside, improving the ignition stability of the ignition needle and extending its service life.
[0022] The gas stove provided in this application, by applying the above-mentioned ignition mechanism, can reduce the influence of the external environment on the ignition needle, ensure the ignition effect, and extend the service life of the ignition needle. Attached Figure Description
[0023] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments of this application will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of this application and these drawings without creative effort.
[0024] Figure 1 A schematic diagram of the structure of a gas stove provided in an embodiment of this application is shown.
[0025] Figure 2 A cross-sectional schematic diagram of a gas stove provided in an embodiment of this application is shown.
[0026] Figure 3 A bottom view of the base structure provided in an embodiment of this application is shown.
[0027] Figure 4 It shows Figure 2 Partial sectional view of the ignition needle and its mounting components.
[0028] Figure 5 It shows Figure 2 Partial cross-sectional view of the ignition needle and protective shell.
[0029] Figure label:
[0030] 100. Base; 101. Limiting guide hole; 200. Burner head; 300. Outer burner cap; 400. Inner burner cap; 500. Thermocouple;
[0031] 1. Mounting parts; 11. Fixing holes;
[0032] 2. Ignition needle; 21. Ignition end; 22. Elastic sleeve; 221. Annular recess;
[0033] 3. Protective shell; 31. Notch;
[0034] 4. Drive components; 41. Driver; 42. Drive gear; 43. Driven gear. Detailed Implementation
[0035] Before explaining any implementation of this application in detail, it should be understood that this application is not limited to its application to the structural details and component arrangements set forth in the following description or shown in the above drawings.
[0036] In this application, the terms "comprising," "including," "having," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.
[0037] In this application, the term "and / or" describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent three cases: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this application generally indicates that the preceding and following related objects have an "and / or" relationship.
[0038] In this application, the terms "connection," "combination," "coupling," and "installation" can refer to direct connection, combination, coupling, or installation, or indirect connection, combination, coupling, or installation. For example, a direct connection refers to two parts or components being connected together without the need for an intermediary, while an indirect connection refers to two parts or components each being connected to at least one intermediary, with the connection achieved through the intermediary. Furthermore, "connection" and "coupling" are not limited to physical or mechanical connections or couplings, but can also include electrical connections or couplings.
[0039] In this application, those skilled in the art will understand that relative terms (e.g., “about,” “approximately,” “basically,” etc.) used in conjunction with quantities or conditions are to include the values and have the meaning indicated by the context. For example, such relative terms include at least the degree of error associated with the measurement of a particular value, tolerances associated with the particular value due to manufacturing, assembly, use, etc. Such terms should also be considered as disclosing a range defined by the absolute values of the two endpoints. Relative terms may refer to a certain percentage (e.g., 1%, 5%, 10% or more) of the indicated value. Numerical values not using relative terms should also be disclosed as specific values with tolerances. Furthermore, “basically” when expressing relative angular relationships (e.g., substantially parallel, substantially perpendicular) may refer to a certain degree (e.g., 1 degree, 5 degrees, 10 degrees or more) added to or subtracted from the indicated angle.
[0040] In this application, those skilled in the art will understand that the function performed by a component can be performed by one component, multiple components, one part, or multiple parts. Similarly, the function performed by a part can also be performed by one part, one component, or a combination of multiple parts.
[0041] In this application, the directional terms "upper," "lower," "left," "right," "front," and "rear" are used to describe the orientation and positional relationships shown in the accompanying drawings and should not be construed as limiting the embodiments of this application. Furthermore, in the context, it should be understood that when an element is mentioned as being connected "upper" or "lower" to another element, it can be directly connected to the other element "upper" or "lower," or indirectly connected through an intermediate element. It should also be understood that directional terms such as upper side, lower side, left side, right side, front side, and rear side not only represent positive orientation but can also be understood as lateral orientation. For example, "below" can include directly below, lower left, lower right, lower front, and lower rear.
[0042] Figure 1 A schematic diagram of the structure of a gas stove provided in an embodiment of this application is shown. Figure 2 A cross-sectional schematic diagram of a gas stove provided in an embodiment of this application is shown. Figures 1 to 2 As shown, the gas stove includes a base 100, a burner head 200, an inner burner cap 400, an outer burner cap 300, and a thermocouple 500. The burner head 200 is mounted on the base 100. The inner burner cap 400 covers the central injector tube of the burner head 200, and the outer burner cap 300 covers the outer ring injector tube of the burner head 200. The outer burner cap 300 and the inner burner cap 400 are spaced apart. The thermocouple 500 is mounted on the base 100 and located in the gap between the outer burner cap 300 and the inner burner cap 400. The thermocouple 500, in conjunction with a solenoid valve, can realize the flameout protection of the gas stove to improve the safety of the gas stove.
[0043] The gas stove provided in this application also includes an ignition mechanism, which includes a mounting component 1, an ignition needle 2, a protective shell 3, and a drive assembly 4. The mounting component 1 is fixed to the base 100 of the gas stove. The ignition needle 2 is erected on the mounting component 1 along its length direction, and the ignition end 21 of the ignition needle 2 faces the inner burner cap 400 of the gas stove. The protective shell 3 is rotatably mounted on the mounting component 1, and the protective shell 3 has an opening at its first end in the length direction for the ignition needle 2 to extend into, and a notch 31 at its second end that corresponds to the ignition end 21. The drive assembly 4 is used to drive the protective shell 3 to rotate around the ignition needle 2, so that the protective shell 3 moves to the ignition position where the ignition end 21 is exposed from the notch 31, so as to ensure that the ignition needle 2 can ignite smoothly, or to move the protective shell 3 to the protective position where the ignition end 21 is covered by the protective shell 3, so as to protect the ignition needle 2, solve the problem that the ignition needle 2 is easily malfunctioned and affected by the external environment due to being exposed to the outside, and improve the ignition stability of the ignition needle 2 and extend the service life of the ignition needle 2.
[0044] Figure 3 A bottom view of the base 100 provided in an embodiment of this application is shown. Figure 3 Combination Figure 2 As shown, the mounting component 1 has connecting holes, and the base 100 has threaded holes corresponding to these connecting holes. By using bolts to pass through the connecting holes and threaded into the threaded holes, the mounting component 1 can be fixed to the base 100. In this embodiment, the mounting component 1 has two connecting holes, and similarly, the base 100 also has two threaded holes. The two threaded holes correspond one-to-one with the two connecting holes. Two bolts are used to fix the mounting component 1 to the base 100 to improve the stability of the mounting component 1. Of course, in other embodiments, three or four bolts can also be used to fix the mounting component 1 to the base 100; these will not be illustrated further here.
[0045] The drive assembly 4 includes a driver 41, a drive gear 42, and a driven gear 43. The driver 41 is fixed to the base 100, and the driven gear 43 is sleeved and fixed to the outside of the protective housing 3. The drive gear 42 meshes with the driven gear 43. The driver 41 drives the drive gear 42 to rotate, thereby causing the driven gear 43 to drive the protective housing 3 to rotate, thus enabling the protective housing 3 to switch between the ignition position and the protection position. For example, the driver 41 can be a servo motor to precisely control the rotation of the protective housing 3.
[0046] Furthermore, the lower end of the base 100 has a boss, and a threaded hole is opened on the boss. When the mounting member 1 is fixed to the boss, a receiving space for accommodating the driven gear 43 is formed between the mounting member 1 and the base 100. A portion of the driving gear 42 extends into the receiving space and meshes with the driven gear 43 to ensure the stability of the transmission.
[0047] It is understandable that the thickness of both the driven gear 43 and the driving gear 42 is less than the height of the accommodating space (i.e., the length of the accommodating space in the length direction of the ignition needle 2) to ensure that both the driven gear 43 and the driving gear 42 can rotate stably.
[0048] In this embodiment, the driven gear 43 and the protective shell 3 are integrally formed, which not only improves the integrity and connection strength of the driven gear 43 and the protective shell 3, but also reduces the assembly time of assembling the driven gear 43 and the protective shell 3, and improves the assembly efficiency of the ignition mechanism.
[0049] To ensure stable rotation of the protective shell 3, the base 100 has a limiting guide hole 101 through which the protective shell 3 passes. The length of the limiting guide hole 101 in its longitudinal direction is not less than half the length of the protective shell 3 in its longitudinal direction. This arrangement serves two purposes: firstly, the limiting guide hole 101 can limit and guide the protective shell 3; secondly, it can improve the stability of the protective shell 3, preventing it from tilting or misaligning due to external forces, and improving the stability of the transmission between the driven gear 43 and the driving gear 42.
[0050] Figure 4 It shows Figure 2 A partial sectional view of the ignition needle 2 and mounting component 1. Figure 4 As shown, the ignition needle 2 has an elastic sleeve 22 spaced apart from its outer peripheral wall, and the mounting part 1 has a fixing hole 11 for interference fit with the elastic sleeve 22 to achieve fixed installation of the ignition needle 2, prevent the ignition needle 2 from rotating, improve the accuracy of the protective shell 3 in switching between the ignition position and the protection position, ensure that the ignition needle 2 can be ignited smoothly, and at the same time ensure that the protective shell 3 can protect the ignition needle 2.
[0051] Furthermore, the outer peripheral wall of the elastic sleeve 22 has an annular recess 221, and the diameter of the elastic sleeve 22 at the annular recess 221 is smaller than the diameter of the fixing hole 11. This design allows the ignition needle 2 to be moved first when the position of the ignition needle 2 needs to be adjusted, so that the annular recess 221 of the elastic sleeve 22 corresponds to the fixing hole 11 of the mounting part 1, making it easier to rotate the ignition needle 2. After the ignition needle 2 is rotated to the desired position, it is then moved to the position where the elastic sleeve 22 and the fixing hole 11 of the mounting part 1 are interference-fitted, thereby fixing the ignition needle 2.
[0052] Figure 5 It shows Figure 2 A partial cross-sectional view of the ignition needle 2 and the protective shell 3. Figure 5 As shown, the notch 31 penetrates the second end of the protective shell 3, and the length of the notch 31 in the length direction of the protective shell 3 is greater than the length of the ignition end 21 in the length direction of the protective shell 3, so as to provide sufficient space for the ignition end 21 of the ignition needle 2 to ensure that the ignition needle 2 discharges and makes full contact with the gas, thereby improving ignition stability.
[0053] The length of the notch 31 in the length direction of the protective shell 3 is 2cm to 5cm, such as any value such as 2cm, 2.5cm, 3cm, 3.5cm, 4cm, 4.5cm, 5cm, so that there is enough space around the ignition end 21 of the ignition needle 2 during ignition, thereby improving ignition stability.
[0054] With the protective shell 3 in the ignition position, the length of the ignition end 21 protruding from the notch 31 is 0.8cm to 2cm, such as any value like 0.8cm, 1cm, 1.2cm, 1.4cm, 1.6cm, 1.8cm, or 2cm, to ensure that the electricity discharged by the ignition end 21 of the ignition needle 2 can fully contact the gas and improve ignition stability.
[0055] In this embodiment, the protective shell 3 is a cylinder with an open end. A notch 31 is provided at the closed end of the cylinder. The notch 31 occupies about one-quarter of the end of the cylinder. The length of the notch 31 along the length of the cylinder is any value between 2cm and 5cm. The depth of the notch 31 relative to the outer wall of the cylinder is any value between 1cm and 2.2cm. This ensures that when the protective shell 3 is in the ignition position, the length of the ignition end 21 protruding from the notch 31 is 0.8cm to 2cm.
[0056] For ease of understanding, the installation sequence of the ignition mechanism provided in this application is as follows: First, insert the protective shell 3 into the limiting guide hole 101 of the base 100; then insert the ignition needle 2 into the inside of the protective shell 3 from the opening of the protective shell 3; then fix the mounting part 1 under the base 100 to achieve the limiting installation of the protective shell 3; then move the ignition needle 2 to the elastic sleeve 22 on it and make an interference fit with the fixing hole 11 of the mounting part 1 to prevent the ignition needle 2 from being misaligned or shaking; finally, install the driver 41 and the drive gear 42, and make the drive gear 42 mesh with the driven gear 43.
[0057] The gas stove operates as follows: In the initial state, the protective shell 3 is in the protected position. When ignition is started, the actuator 41 drives the protective shell 3 to rotate relative to the ignition needle 2 to the ignition position. The ignition end 21 of the ignition needle 2 protrudes from the notch 31 of the protective shell 3. The ignition end 21 of the ignition needle 2 discharges and contacts the gas to achieve ignition. After successful ignition, the actuator 41 drives the protective shell 3 to rotate relative to the ignition needle 2 to the protected position, so that the protective shell 3 covers the ignition end 21 of the ignition needle 2. This can prevent the ignition end 21 of the ignition needle 2 from being directly burned for a long time, reduce the risk of cracking of the ignition end 21 of the ignition needle 2, and extend the service life of the ignition needle 2.
[0058] The foregoing has shown and described the basic principles, main features, and advantages of this application. Those skilled in the art should understand that the above embodiments do not limit this application in any way, and all technical solutions obtained by equivalent substitution or equivalent transformation fall within the protection scope of this application.
Claims
1. An ignition mechanism for a gas stove, characterized in that, include: The mounting component (1) is configured to be fixed to the base (100) of the gas stove; Ignition needle (2), the ignition needle (2) is erected on the mounting member (1) along its length direction, and the ignition end (21) of the ignition needle (2) faces the inner burner cover (400) of the gas stove; A protective shell (3) is rotatably mounted on the mounting member (1), and the protective shell (3) has an opening at its first end in the longitudinal direction for the ignition needle (2) to extend into, and a notch (31) at its second end that corresponds to the ignition end (21); A drive assembly (4) is used to drive the protective shell (3) to rotate around the ignition needle (2) so that the protective shell (3) moves to the ignition position where the ignition end (21) is exposed from the notch (31) of the protective shell (3), or to the protective position where the ignition end (21) is blocked by the protective shell (3).
2. The ignition mechanism for a gas stove according to claim 1, characterized in that, The drive assembly (4) includes a driver (41), a drive gear (42), and a driven gear (43). The driven gear (43) is sleeved and fixed outside the protective shell (3). The drive gear (42) meshes with the driven gear (43). The driver (41) is used to drive the drive gear (42) to rotate so that the driven gear (43) drives the protective shell (3) to rotate.
3. The ignition mechanism for a gas stove according to claim 2, characterized in that, The driven gear (43) and the protective shell (3) are integrally formed.
4. The ignition mechanism for a gas stove according to claim 1, characterized in that, The ignition needle (2) has an elastic sleeve (22) spaced apart from its outer peripheral wall, and the mounting member (1) has a fixing hole (11) for interference fit with the elastic sleeve (22).
5. The ignition mechanism for a gas stove according to claim 4, characterized in that, The outer peripheral wall of the elastic sleeve (22) has an annular recess (221), and the diameter of the elastic sleeve (22) at the annular recess (221) is smaller than the diameter of the fixing hole (11).
6. The ignition mechanism for a gas stove according to claim 1, characterized in that, The notch (31) penetrates the second end of the protective shell (3), and the length of the notch (31) in the length direction of the protective shell (3) is greater than the length of the ignition end (21) in the length direction of the protective shell (3).
7. The ignition mechanism for a gas stove according to claim 6, characterized in that, The notch (31) is 2 cm to 5 cm long in the length direction of the protective shell (3).
8. The ignition mechanism for a gas stove according to claim 6, characterized in that, When the protective shell (3) is in the ignition position, the length of the ignition end (21) protruding from the notch (31) is 0.8cm to 2.2cm.
9. A gas stove, characterized in that, The device includes a base (100), a burner head (200), an inner burner cap (400), and an ignition mechanism for a gas stove as described in any one of claims 1-8. The burner head (200) is mounted on the base (100), the inner burner cap (400) covers the central ejector tube of the burner head (200), the mounting part (1) of the ignition mechanism for the gas stove is fixed on the base (100), and the ignition needle (2) of the ignition mechanism for the gas stove is fixed to the mounting part (1), with its ignition end (21) facing the inner burner cap (400).
10. The gas stove according to claim 9, characterized in that, The base (100) has a limiting guide hole (101) through which the protective shell (3) passes, and the length of the limiting guide hole (101) in its length direction is not less than half of the length of the protective shell (3) in its length direction.